1 2000-06-06 James E. Wilson <wilson@cygnus.com>
3 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
4 fields into header field.
5 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
6 macros to access length, flags, and version info from header field.
7 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
8 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
9 (__do_global_ctors_aux): Fix caller.
10 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
11 prologue_flag to header. Pass to read_P_record.
12 (read_P_record): New argument header. Implement P4 format.
13 Multiply P7_T_SIZE by 16.
14 (execute_one_ia64_descriptor): New static local region_header. Pass to
15 get_unwind_record. Copy r to region_header if r is a header record.
16 (print_all_records): Likewise.
17 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
18 (__get_personality, __get_except_table): Likewise.
19 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
21 2000-06-06 Philipp Thomas <pthomas@suse.de>
23 * configure.in (AC_C_INLINE): Added.
24 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
25 * configure: Regenerate.
27 2000-06-06 Mark Mitchell <mark@codesourcery.com>
29 * c-common.h (c_language_kind): New type.
30 (c_language): New variab.e
31 * c-common.c (lang_get_alias_set): Don't put structures in
32 non-zero alias sets in C++.
33 * c-decl.c (c_language): Define it.
34 * c-lex.c (doing_objc_thang): Remove.
35 * c-tree.h (doing_objc_thang): Make it a macro.
36 * objc/objc-act.c (lang_decode_option): Set c_language, not
39 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
41 * diagnostic.c (output_maximum_width): Remove.
42 (doing_line_wrapping): Tweak.
43 (diagnostic_buffer): New object.
44 (global_output_buffer): New object.
45 (output_destroy_prefix): New function.
46 (default_initialize_buffer): Likewise.
47 (reshape_diagnostic_buffer): Likewise.
48 (initialize_diagnostics): Likewise.
49 (output_clear): Tweak.
50 (line_wrapper_printf): Adjust call to init_output_buffer.
51 (vline_wrapper_message_with_location): Likewise. Use
52 output_destroy_prefix.
53 (v_message_with_decl): Likewise.
55 * diagnostic.h (struct output_buffer): Constify prefix.
56 (init_output_buffer, output_get_prefix): Constify.
57 (diagnostic_message_length_per_line): Likewise.
58 (reshape_diagnostic_buffer): Declare.
59 (default_initialize_buffer): Declare.
60 (initialize_diagnostics): Declare.
61 (diagnostic_buffer): Declare new obbject.
63 * toplev.c: #include diagnostic.h
64 (display_help): Document diagnostic formatting options.
65 (decode_f_option): Handle diagnostic formatting options.
66 (main): Setup initialization for diagnostic messages outputter.
68 * toplev.h (set_message_length): Remove.
70 * Makefile.in (toplev.o): Depends upon diagnostic.h
72 * invoke.texi : Document diagnostics formatting options.
74 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
76 * configure.in (Make the links): Typo fix : the file that must be
77 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
78 * configure: File rebuilt.
80 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
82 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
83 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
85 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
86 emergency eh_context buffer, if malloc fails.
87 (__eh_free): Moved from cp/exception.cc. Release to emergency
88 eh_context buffer, if appropriate.
90 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
92 * expr.c (store_expr): Fix typo.
94 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * m68k.c (legitimize_pic_address): Move prototype ...
98 * m68k-protos.h (legitimize_pic_address): ... here.
100 * m68k.md (legitimize_pic_address): Delete prototypes.
101 (untyped_call): Invoke GEN_CALL(), not gen_call().
103 * nextstep.c: Include system.h and toplev.h.
104 (get_directive_line): Don't prototype.
105 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
107 * nextstep.h (handle_pragma): Prototype.
108 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
109 objc_section_init ...
110 (EXTRA_SECTION_FUNCTIONS): ... here.
112 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
114 * sdbout.c (struct sdb_file): NAME now const.
115 (sdbout_init): input_file_name now const.
116 (sdbout_start_new_source_file): FILENAME now const.
117 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
119 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
121 * c-typeck.c (build_conditional_expr): Handle complex data types.
123 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
125 * explow.c (maybe_set_unchanging): New function, broken out from...
126 (set_mem_attributes): Here.
127 * expr.h: Declare it.
128 * stmt.c (expand_decl): Call it.
130 2000-06-05 Richard Henderson <rth@cygnus.com>
132 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
133 while looking for a register to inherit from.
135 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
137 * Makefile.in (libgcc.ready): Lose.
138 (libgcc.mk): Just use mv, not move-if-change.
139 (LIBGCC_DEPS): New macro.
141 (stmp-multilib): Likewise.
142 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
143 it rather than the directories themselves.
144 (LIB2ADD): Depend on the list file rather than 'force'.
146 * fold-const.c (fold, case COND_EXPR): Elide conversion between
147 cv-qualified versions of types.
149 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
151 * config/sparc/sparc.c (short_branch): Correct error in range
154 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
156 * fixinc/inclhack.def: New include hacks for ultrix.
157 * (nested_ultrix): Replaced by ultrix_nested_svc.
158 * (ultrix_atof_param): test_text string added.
159 * (ultrix_ifdef): Modified select string.
161 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
163 * objc/objc-act.c (generate_method_descriptors): Register
164 objc_method_prototype_template as a GC root.
165 (comp_method_with_proto): Register function_type as a GC root.
166 (comp_proto_with_proto): Replace function_type1 and
167 function_type2 with a two-element array; register it as a GC root.
169 (generate_protocols, build_protocol_initializer,
170 generate_protocol_list, build_category_initializer,
171 build_shared_structure_initializer): Do not cache cast_type
174 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
176 * function.c (assign_parms): Add missing argument to set_mem_attributes
179 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
181 * tree.h (VOID_TYPE_P): New macro.
182 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
183 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
184 (get_parm_info): Likewise.
185 (store_parm_decls): Likewise.
186 (combine_parm_decls): Likewise.
187 (finish_function): Likewise.
188 * c-typeck.c (build_function_call): Likewise.
189 (build_binary_op): Likewise.
190 (build_conditional_expr): Likewise.
191 (internal_build_compound_expr): Likewise.
192 (convert_for_assignment): Likewise.
193 * stmt.c (expend_expr_stmt): Likewise.
194 (warn_if_unused_value): Likewise.
195 (expand_return): Likewise.
196 * c-parse.in (primary): Likewise.
197 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
198 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
200 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
202 * alias.c (get_alias_set): If compnent is addressable, use alias
204 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
205 (grokdeclarator): Likewise.
206 * c-typeck.c (common_type): Likewise.
208 2000-06-04 Alex Samuel <samuel@codesourcery.com>
210 * Makefile.in (OBJS): Remove dyn_string.o
211 (dyn-string.o): Delete rule.
212 * dyn-string.c: Delete file
213 * dyn-string.h: Likewise.
215 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
217 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
220 S2000-06-03 Geoff Keating <geoffk@cygnus.com>
222 * alias.c (record_component_aliases): Don't inspect
223 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
225 at Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
227 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
228 it with the pattern to do machine dependent work.
229 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
230 use it to modify the true/false tests used in conditional
231 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
232 defined, invoke them if the conversion to conditional execution
233 was successful or not.
235 * tm.texi (IFCVT_MODIFY_TESTS): Document.
236 (IFCVT_MODIFY_INSN): Ditto.
237 (IFCVT_MODIFY_FINAL): Ditto.
238 (IFCVT_MODIFY_CANCEL): Ditto.
240 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
242 * toplev.c (main): Fix misspellings of possibility and language.
244 2000-06-03 Richard Henderson <rth@cygnus.com>
246 * alias.c (record_alias_subset): Initialize has_zero_child in the
249 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
251 * arm.md (untyped_call): Use GEN_CALL macro.
253 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
255 * Makefile.in: Use $(MAKE) not "make"
257 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
259 * alias.c (struct alias_set_entry): New field has_zero_child.
260 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
261 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
263 Call record_component_aliases for aggregate types.
264 (record_alias_subset): Set has_zero_child.
265 (record_component_aliases, case ARRAY_TYPE): Do nothing if
266 TYPE_NONALIASES_COMPONENT.
267 (record_component_aliases, case RECORD_TYPE): Test
268 DECL_NONADDRESSABLE_P.
269 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
271 * calls.c (initialize_argument_information): Only test
272 TYPE_TRANSPARENT_UNION for UNION_TYPE.
273 * function.c (assign_parms): Likewise.
274 * integrate.c (function_cannot_inline_p): Likewise.
275 * stor-layout.c (finish_record_layout): Don't call
276 record_component_aliases.
277 * tree.h (struct tree_int_cst): Use struct tree_common.
278 (struct tree_real_cst, struct tree_string): Likewise.
279 (struct tree_complex, struct tree_identifier): Likewise.
280 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
281 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
282 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
283 (TYPE_NONALIASES_COMPONENT): New macro.
284 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
285 (DECL_NONADDRESSABLE_P): New macro.
286 (struct tree_decl): Reorder bits for clarity of how many left;
289 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
291 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
292 * mklibgcc.in (force): New target.
293 Make LIB2ADD stuff depend on it.
295 2000-06-02 Richard Henderson <rth@cygnus.com>
297 * alias.c (lang_get_alias_set): Remove.
298 (get_alias_set): Call it directly, not indirectly.
299 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
300 * c-common.h (c_get_alias_set): Don't declare.
301 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
302 * expr.h (lang_get_alias_set): Declare as function, not pointer.
304 2000-06-02 Bruce Korb <bkorb@gnu.org>
306 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
307 (server_setup): define the server's master pid
308 (close_server): actually do the deed IFF we are the server's master
310 2000-06-02 Jakub Jelinek <jakub@redhat.com>
312 * c-common.c (c_get_alias_set): Check whether signed_type did not
313 return its argument before calling get_alias_set on the result.
315 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
317 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
319 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
321 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
322 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
323 for TARGET_NOMACSAVE.
324 (NOMACSAVE_BIT): Define.
325 (TARGET_NOMACSAVE): Define.
326 (TARGET_SWITCHES): Add "nomacsave".
328 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
330 * sh.md (untyped_call): Remove excess parameters
332 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
334 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
335 match that used before the conversion to c_fix style.
336 * fixinc/fixincl.x: regenerate
338 2000-06-01 Stan Cox <scox@cygnus.com>
340 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
343 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
345 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
347 * cpplib.c (parse_include): Remove support for VAX-C
348 "#include starlet" misfeature.
350 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
352 * cppfiles.c: conditionally define O_BINARY.
353 (open_include_file): pass O_BINARY to open().
355 2000-06-01 Richard Henderson <rth@cygnus.com>
357 * i960.c (i960_br_predict_opcode): Remove.
358 (i960_print_operand) [+]: Emit branch prediction hints.
359 (i960_function_arg): Return early for VOIDmode.
360 (i960_round_align): Return early for incomplete types.
361 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
362 * i960.md (all conditional branches): Add "%+".
364 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
366 * alias.c (get_alias_set): Don't call language-specific routine more
367 than is needed and clean up code a bit.
368 * c-common.c (c_get_alias_set): All references whose type
369 is char get alias set 0, but character types need not.
370 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
371 (make_decl_rtl): Don't call it for FUNCTION_DECL.
373 2000-06-01 Bruce Korb <bkorb@gnu.org>
375 * fixinc/tests/base/...: new base result files
377 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
379 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
380 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
381 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
384 2000-06-01 Richard Henderson <rth@cygnus.com>
386 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
388 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
390 2000-05-31 Richard Henderson <rth@cygnus.com>
392 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
393 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
394 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
396 2000-05-31 Richard Henderson <rth@cygnus.com>
398 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
399 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
400 (ia64_print_operand) [+]: ... here. Use current_output_insn.
401 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
402 * config/ia64/ia64.md (all branch/call patterns): Use %+.
404 2000-05-31 Richard Henderson <rth@cygnus.com>
406 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
408 2000-05-31 Richard Henderson <rth@cygnus.com>
410 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
412 (find_if_block): Allow THEN with no outgoing edges.
413 * flow.c (merge_blocks_nomove): Remove a barrier not following
416 2000-05-31 Richard Henderson <rth@cygnus.com>
418 * flow.c (propagate_block): Move initialization of mem_set_list ...
419 (init_propagate_block_info): ... here. Also track blocks with
420 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
422 2000-05-31 Richard Henderson <rth@cygnus.com>
424 * jump.c (jump_optimize_1): Revert 05-18 change.
426 2000-05-31 Mark Mitchell <mark@codesourcery.com>
428 * invoke.texi: Remove documentation for -fguiding-decls.
430 2000-05-31 Richard Henderson <rth@cygnus.com>
432 * configure.in: Fix typo last change.
434 2000-05-31 Philipp Thomas <pthomas@suse.de>
436 * configure.in (enable-nls): Enable if build == host, i.e. when
437 not building a canadian cross compiler.
438 (enable-maintainer-mode): Added for use with i18n.
439 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
440 cross section of ALL_LINGUAS and LINGUAS.
441 * configure: Rebuild.
443 2000-05-31 Bruce Korb <bkorb@gnu.org>
445 * fixinc/check.tpl: rework to use test result tree
446 * fixinc/Makefile.in: change invocation of check script
447 * fixinc/check.diff: No longer needed
448 * fixinc/fixincl.x: regenerate
449 * fixinc/inclhack.def: add new tests
450 * fixinc/tests/base/arch/i960/archI960.h: New test result
451 * fixinc/tests/base/curses.h: modified test result
452 * fixinc/tests/base/stdio.h: ditto
453 * fixinc/tests/base/time.h: ditto
454 * fixinc/tests/base/sys/asm.h: ditto
455 * fixinc/tests/base/sys/stat.h: ditto
456 * fixinc/tests/base/sys/wait.h: ditto
458 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
460 * except.c (clear_function_eh_region): Do not free NULL.
462 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
464 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
465 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
466 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
467 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
468 (find_base_decl): New function, from c_find_base_decl in c-common.c.
469 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
470 (get_alias_set): Likewise.
471 Major rework to do more things and allow language-specific code
472 to just handle special-cases.
473 (record_alias_subset): Args are HOST_WIDE_INT.
474 (record_component_alias): Local vars are HOST_WIDE_INT.
475 Don't handle COMPLEX_EXPR.
476 (get_varargs_alias_set): Moved from builtins.c.
477 (get_frame_alias_set): New function.
478 * builtins.c (expand_builtin_return_address): Use frame alias set.
479 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
481 (get_memory_rtx): Rework to use set_mem_attributes.
482 (get_varargs_alias_set): Deleted from here.
483 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
484 (c_find_base_decl): Deleted from here.
485 (c_get_alias_set): Remove many cases and rework to just handle
487 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
488 * c-decl.c (rtl.h, expr.h): Now included.
489 (init_decl_processing): Call record_component_aliases on array types.
490 (grokdeclarator): Likewise.
491 Set TREE_ADDRESSABLE for all fields that are not bitfields.
492 * c-typeck.c (common_type): Call record_component_aliases for array.
493 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
494 Set all save areas to the frame alias set.
495 * calls.c (initialie_argument_information): Call set_mem_attributes.
496 (compute_argument_addresses, expand_call): Likewise.
497 * explow.c (set_mem_attributes): New function.
498 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
499 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
500 LEN and OFFSET now HOST_WIDE_INT.
501 (clear_by_pieces): Similar changes.
502 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
503 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
504 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
505 (clear_by_pieces_1): Likewise.
506 (emit_push_insn): Call set_mem_attributes.
507 (expand_expr, case INDIRECT_REF): Likewise.
508 (expand_expr, case VAR_DECL): Call change_address.
509 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
511 (get_varargs_alias_set, get_frame_alias_set): New decls.
512 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
513 (new_alias_set, set_mem_attributes): Likewse.
514 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
515 (assign_stack_temp_for_type): Likewise.
516 Can split slot even if alias set since can copy.
517 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
518 (assign_temp): Use host_integerp and tree_low_cst.
519 (put_var_into_stack): Properly handle SAVE_EXPR.
520 (put_addressof_into_stack): Likewise.
521 (assign_parms): Call set_mem_attributes.
523 (fix_lexical_address): Put reference to chain into frame alias set.
524 (expand_function_start): Call set_mem_attributes.
525 * integrate.c (expand_inline_function): Likewise.
526 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
527 * regmove.c (try_apply_stack_adjustment): Likewise.
528 * reload.c (push_reload, make_memloc): Likewise.
529 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
530 * rtl.def (MEM): Update comment.
531 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
532 (move_by_pieces): Change length to HOST_WIDE_INT.
533 (record_base_value, record_alias_subset): Delete from here.
534 * stmt.c (expand_decl): Call set_mem_attributes.
535 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
536 * toplev.c (compile_file): Call init_alias_once earlier.
537 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
538 from here: now in alias.c.
539 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
540 (struct tree_decl): Likewise.
541 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
542 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
543 (output_constant_def, force_const_mem): Likewise.
545 * flow.c (propagate_block): If block has no successors, stores to
546 frame are dead if not used.
548 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
550 * stmt (expand_end_case): Reorder conversion sequence for jump
551 table to avoid extra truncations.
553 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
555 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
556 in the block is more than just a simple conditional branch.
557 (noce_process_if_block): Similarly.
559 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
561 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
564 2000-05-30 Michael Meissner <meissner@redhat.com>
566 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
567 instructions. Treat LO_SUM operations as loading the full integer
570 2000-05-30 Richard Henderson <rth@cygnus.com>
572 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
574 2000-05-30 Richard Henderson <rth@cygnus.com>
576 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
578 2000-05-30 Bruce Korb <bkorb@gnu.org>
580 * fixinc/tests/*: Added expected result files for fixinc's make check
581 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
583 2000-05-30 Richard Henderson <rth@cygnus.com>
585 * config/alpha/alpha.md (*setne_internal): Use match_operator
586 instead of working down from insn.
588 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
590 * invoke.texi (-Wtraditional): Update WRT function macros.
592 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
594 * except.c (free_exception_table): Do not free NULL.
596 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
598 * cpplib.c (do_if): Don't save and restore only_seen_white here.
599 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
602 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
604 * flow.c (mark_used_reg): If a register is unconditionally live,
605 remove any conditional death information.
607 2000-05-29 Richard Henderson <rth@cygnus.com>
609 * final.c (current_output_insn): New.
610 (final_scan_insn): Set it.
611 * output.h: Declare it.
613 2000-05-29 Richard Henderson <rth@cygnus.com>
615 * stor-layout.c (finalize_record_size): Fix typo.
617 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
620 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
622 * cpplib.h (cpp_reader): Remove if_stack. Change
623 potential_control_macro to a cpp_hashnode *. Add skipping flag.
624 * cpphash.h (struct ihash): Change control_macro to a
625 cpp_hashnode * and shorten name to cmacro.
626 Add NEVER_REINCLUDE constant.
628 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
629 Examine the cmacro node directly, no need to call cpp_defined.
630 (_cpp_execute_include, read_include_file): Set cmacro to
631 NEVER_REINCLUDE, not U"".
632 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
633 (cpp_get_token): If pfile->skipping is true, discard text and
634 keep scanning until we hit a directive; don't expand macros.
636 * cpplib.c (struct if_stack): Remove if_succeeded, add
637 was_skipping. Change control_macro to a cpp_hashnode * and
638 shorten name to cmacro. Remove typedef IF_STACK.
639 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
640 (conditional_skip, skip_if_group,
641 consider_directive_while_skipping): Delete.
642 (push_conditional): New.
643 (_cpp_handle_directive): Don't process directives other than
644 conditionals if we are skipping.
646 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
647 Update to new scheme.
648 (validate_else): Skip rest of line here, unconditionally.
649 (_cpp_unwind_if_stack): The stack is per-buffer. Force
652 (all): Remove `scare quotes' from error messages.
654 2000-05-29 Richard Henderson <rth@cygnus.com>
656 * function.c (emit_return_into_block): New line_note arg; emit it.
657 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
658 for the close brace to accompany HAVE_return. Move all line notes
659 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
661 2000-05-29 Richard Henderson <rth@cygnus.com>
663 * longlong.h [__alpha] (count_leading_zeros): New.
664 (count_trailing_zeros): New.
665 (COUNT_LEADING_ZEROS_0): New.
667 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
668 (alpha_split_conditional_move): New.
669 * config/alpha/alpha-protos.h: Prototype them.
670 * config/alpha/alpha.h (PREDICATE_CODES): Update.
671 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
672 * config/alpha/alpha.md: Update ffs cix commentary.
674 (*nabssf2, *nabsdf2): New.
675 (*mov[qhsd]icc_internal): Use add_operand.
676 (if_then_else constant splitters): New.
677 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
678 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
680 2000-05-29 Richard Henderson <rth@cygnus.com>
682 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
683 a constant to NEG or NOT when conditions allow.
685 * combine.c (combine_simplify_rtx): Don't create an if_then_else
686 unless both args are general_operand. Don't canonicalize plus
687 to ior unless it helps.
689 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
690 instead track register_life_up_to_date. Toggle no_new_pseudos
693 2000-05-28 Geoff Keating <geoffk@cygnus.com>
695 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
696 so output_operand doesn't see them.
698 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
700 * lcm.c (make_preds_opaque): Fix comment.
701 (optimize_mode_switching): Use NORMAL_MODE instead of
702 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
703 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
704 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
705 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
706 (MODE_USES_IN_EXIT_BLOCK): Delete.
707 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
708 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
709 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
710 (MODE_NEEDED): Don't look for USE.
711 (EPILOGUE_USES): Define.
713 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
715 * mklibgcc.in (all): Variable initialised to `libgcc'.
717 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
719 * toplev.h (skip_leading_substring): New macro.
720 * toplev.c (decode_f_option): Use skip_leading_substring instead
722 (decode_W_option): Likewise.
724 2000-05-28 Nick Clifton <nickc@cygnus.com>
726 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
729 2000-05-28 Richard Henderson <rth@cygnus.com>
731 * regclass.c (record_operand_costs): Protect reg_changes_size
732 with CLASS_CANNOT_CHANGE_SIZE.
734 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
736 2000-05-28 Richard Henderson <rth@cygnus.com>
738 * function.c (diddle_return_value): A pcc-style struct return
741 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
743 * cppfiles.c: Read files in, using mmap if possible, then
744 prescan them separately.
745 (read_file, read_with_read): New functions.
746 * cpplex.c: Don't define UCHAR_MAX.
747 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
750 * cppinit.c (handle_option): Automatically define __cplusplus,
751 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
752 the respective -lang switch.
754 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
755 prototype): Move to...
756 * cpplib.h: ... here. Rename struct hashnode to struct
757 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
758 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
760 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
762 * config/rs6000/rs6000.md (movsi): Constify 'name'.
764 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
765 (class_can_change_size): New variable.
766 (reg_changes_size): New variable.
767 (init_reg_sets_1): Initialise class_can_change_size.
768 (record_operand_costs): Remove subreg_changes_size.
769 Don't pass it around. Instead update reg_changes_size.
770 (regclass): Initialise and free reg_changes_size. If a register
771 changes size, don't preference it to a class that contains
772 registers that can't change size.
773 (record_reg_classes): Don't look at subreg_changes_size.
775 2000-05-27 Richard Henderson <rth@cygnus.com>
777 * print-rtl.c (reg_names): Remove const.
778 * regclass.c (reg_names): Likewise.
779 * regs.h (reg_names): Likewise.
780 * hard-reg-set.h (reg_names): Likewise.
782 2000-05-27 Richard Henderson <rth@cygnus.com>
784 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
786 2000-05-27 Richard Henderson <rth@cygnus.com>
788 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
789 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
790 (alpha_expand_prologue): Emit prologue_mcount if needed.
791 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
792 * config/alpha/alpha.md (prologue_mcount): New.
793 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
794 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
795 * config/alpha/netbsd.h: Likewise.
797 2000-05-27 Richard Henderson <rth@cygnus.com>
799 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
800 change to config/elfos.h.
802 2000-05-27 Richard Henderson <rth@cygnus.com>
804 * Makefile.in (resource.o): Depend on except.h.
805 * except.h (output_exception_table_data): Prototype.
806 * genconfig.c (gen_peephole2): Prototype.
807 * genemit.c (main): Include ggc.h.
808 * genoutput.c: Revert parts of last change: include errors.h
809 (main): Set progname.
810 * recog.c: Include hard-reg-set.h before recog.h.
811 * resource.c: Include except.h.
813 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
815 (alpha_write_linkage): Protect with BUFSIZ.
816 (alpha_need_linkage): Update prototype.
817 * config/alpha/alpha.c (function_arg): Move VMS code here.
818 (alpha_links_base): Remove.
820 (mark_alpha_links_node, mark_alpha_links): New.
821 (alpha_write_one_linkage): New.
822 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
823 (alpha_write_linkage): Use splay_tree_foreach.
824 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
825 to get the linkage symbol.
826 (call_value_vms): Likewise.
827 * config/alpha/elf.h (output_file_directive): Remove decl.
828 (ctors_section, dtors_section): Prototype.
829 (sbss_section, sdata_section): Prototype.
830 * config/alpha/vms.h (FUNCTION_ARG): Remove.
831 (readonly_section, link_section, literals_section): Prototype.
832 (ctors_section, dtors_section): Prototype.
833 (vms_valid_decl_attribute_p): Remove decl.
834 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
836 2000-05-27 Geoff Keating <geoffk@cygnus.com>
838 * reload.c (get_secondary_mem): Don't widen floating-point modes.
840 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
841 substituting the REG in a (subreg:X (reg:Y ...)).
843 2000-05-28 Neil Booth <NeilB@earthling.net>
845 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
846 first token of a line BOL. Update EOF code for this.
847 Remove illegal directive check - it appears in the (not
848 yet committed) caller.
849 * cpplib.h (BOL): New flag.
851 2000-05-28 Neil Booth <NeilB@earthling.net>
853 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
854 (_cpp_free_toklist): No comment space to free.
855 (expand_comment_space): Remove.
856 (save_comment_space): Place the comment in the current token and
857 not in a separate comment space.
858 (_cpp_lex_line): Save comments during plain code and #define
860 * cpplib.h (struct _cpp_toklist): Remove comment space.
862 2000-05-28 Neil Booth <NeilB@earthling.net>
864 * cppexp.c (parse_assertion): Supply extra argument to
866 * cpplib.c (do_assert, do_unassert): Similarly.
867 * cpphash.h (_cpp_init_toklist) Update.
868 (_cpp_expand_token_space): New.
869 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
870 * cpplex.c (_cpp_init_toklist): New argument.
871 (parse_string2): New argument multiline_ok.
872 (spell_token): Take a const cpp_token *.
873 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
874 (SPELL_ macros): Replace with enum.
875 (expand_token_space): Replace with _cpp_expand_token_space.
877 (IS_DIRECTIVE): Update.
878 (_cpp_lex_line): Update token structure before parsing number.
879 Don't assume start at beginning of token list.
880 (save_comment): Use INIT_TOKEN_NAME.
882 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
884 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
885 -Wmissing-prototypes.
886 * configure: Regenerate.
887 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
889 * builtins.c, calls.c: Change all instances of gen_call_* or
890 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
891 * calls.c (struct_value_size_rtx): Separate definition from
892 initialization to avoid unused variable warning.
894 * genflags.c (gen_macro): New function.
895 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
896 (gen_nonproto): Delete.
897 (gen_insn): Put all insns on the same obstack.
898 (main): Generate prototypes for everything unconditionally.
900 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
901 out check for wchar_t.
902 * acconfig.h: Add template for ssize_t. Remove @TOP@.
903 * system.h: Add infrastructure for defining missing
904 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
905 definitions of UCHAR_MAX and SSIZE_MAX.
906 * configure: Regenerate.
907 * config.in: Regenerate.
909 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
910 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
912 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
913 libgcc2.a, or libgcc1.null.
915 2000-05-27 Richard Henderson <rth@cygnus.com>
917 * Makefile.in (recog.o): Don't depend on resource.h.
918 * recog.c: Don't include resource.h.
919 (recog_last_allowed_insn): Remove.
920 (recog_next_insn): Remove.
921 (struct peep2_insn_data): New.
922 (peep2_insn_data, peep2_current): New.
923 (peep2_next_insn): New.
924 (peep2_regno_dead_p, peep2_reg_dead_p): New.
925 (peep2_find_free_register): New.
926 (peephole2_optimize): Track life information by insn as we go.
927 * recog.h: Update declarations.
928 * resource.c (find_free_register, reg_dead_p): Remove.
929 * resource.h: Remove their declarations.
930 * toplev.c: Include hard-reg-set.h before recog.h.
932 * genconfig.c (max_insns_per_peep2): New.
933 (gen_peephole2): New.
935 * genemit.c (output_peephole2_scratches): Generate calls to
936 peep2_find_free_register; adjust surrounding code.
937 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
938 * genrecog.c (change_state): Don't track last_insn.
939 (write_action): Write into *_pmatch_len before accepting.
940 (write_tree): Adjust peephole2_insns and subroutines to match.
942 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
944 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
945 (hard_int_register_operand): New.
946 * config/alpha/alpha-protos.h: Declare it.
947 * config/alpha/alpha.h (PREDICATE_CODES): Update.
948 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
949 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
951 2000-05-27 Richard Henderson <rth@cygnus.com>
953 * function.c (thread_prologue_epilogue_insns): Don't move the
954 line note at the head of the chain. Only force a lineno note
955 before the end of block 0.
957 2000-05-27 Richard Henderson <rth@cygnus.com>
959 * gensupport.c (collect_insn_data): Record the maximum number
960 of alternatives, not the last seen.
962 * genoutput.c: Don't include errors.h.
963 (struct data): Add lineno member.
965 (scan_operands): Use message_with_line instead of error.
966 (validate_insn_alternatives): Likewise.
967 (gen_insn): Accept and store the pattern's line number.
968 (gen_peephole, gen_expand, gen_split): Likewise.
969 (main): Don't set progname. Pass line_no to gen_foo.
971 2000-05-27 Richard Henderson <rth@cygnus.com>
973 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
974 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
975 * config/d30v/d30v.md (attr predicable): New.
976 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
977 (andsi3*): Unify into one pattern.
978 (iorsi3*, xorsi3*): Likewise.
979 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
981 (old cond_exec patterns): Remove.
982 (define_cond_exec): New.
984 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
986 * tree.h (TREE_CODE_LENGTH): New macro.
987 * c-common.c (c_find_base_decl): Use it.
988 * expr.c (safe_from_p): Likewise.
989 * print-tree.c (print_node): Likewise.
990 * tree.c (make_node, copy_node, get_identifier): Likewie.
991 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
992 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
993 * fold-const.c (make_range): Likewise.
994 (fold): Likewise; also use first_rtl_op.
995 * c-iterate.c (collect_iterators): Use first_rtl_op.
996 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
997 Use IS_EXPR_CODE_CLASS.
998 (preexpand_calls): Likewise.
999 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
1000 and TREE_CODE_LENGTH.
1001 * stmt.c (warn_if_unused_value): If no operands, no unused value.
1003 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
1005 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
1007 (movdi_internal64): Likewise.
1009 * config/rs6000/rs6000.md: Correct order of operands for DImode
1012 * config/rs6000/rs6000.c (boolean_or_operator): New function.
1013 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
1014 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
1015 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
1016 boolean_operator for the boolean patterns without NOTs.
1018 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
1019 from reg_or_u_cint_operand. Change comment and behaviour.
1020 (logical_operand): Clean up, add assertion.
1021 (non_logical_cint_operand): Also check for
1022 reg_or_logical_cint_operand.
1023 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
1024 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1030 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1032 * tree.h (struct record_layout_info): Rename to (struct
1033 record_layout_info_s).
1034 * stor-layout.c (start_record_layout): Replace
1035 `record_layout_info' with `record_layout_info_s'.
1037 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1039 * flow.c (find_label_refs): New function.
1040 (find_basic_blocks_1): Call it for each alternative of a call
1043 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1045 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1048 2000-05-25 Richard Henderson <rth@cygnus.com>
1050 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1051 so strict about DImode.
1052 (alpha_swapped_comparison_operator): Likewise.
1053 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1054 any integer output mode.
1055 (*setcc_internal): Likewise.
1056 (*setcc_swapped_internal): Likewise.
1057 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1058 (*mov[qhs]icc_internal): New.
1059 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1061 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1063 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1065 2000-05-25 Richard Henderson <rth@cygnus.com>
1067 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1068 Remove add_jump; add next; replace flags with visited.
1070 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
1071 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
1072 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
1073 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
1075 (reorder_index, reorder_last_visited): Remove.
1076 (skip_insns_after_block): Rewrite to use a switch.
1077 (get_common_dest): Remove.
1078 (chain_reorder_blocks): Remove.
1079 (record_effective_endpoints): Split out from reorder_basic_blocks.
1080 (make_reorder_chain): Likewise. Loop until all blocks are placed.
1081 (make_reorder_chain_1): Renamed from old make_reorder_chain.
1082 Only construct the reorder chain, do not move insns. Try harder
1084 (label_for_bb, emit_jump_to_block_after): New.
1085 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
1086 and adjust the jump insns appropriately. Fixup basic_block_info.
1087 (verify_insn_chain): Always define.
1088 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
1090 (make_new_scope): Don't write zeros to calloc'd space.
1091 (build_scope_forest): Rely on xrealloc to DTRT.
1092 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1093 profile_arc_flag. Streamline EH test.
1095 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1096 * basic-block.h: Declare them.
1098 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1100 * emit-rtl.c (reset_used_decls): New function.
1101 (unshare_all_rtl_again): Call it.
1103 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1105 * cpplex.c (maybe_macroexpand): Warn about function-like
1106 macros used in non-function context, if -Wtraditional.
1108 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1110 * recog.c (peephole2_optimize): Use INSN_P.
1112 2000-05-25 Richard Henderson <rth@cygnus.com>
1114 * ifcvt.c (seq_contains_jump): New.
1115 (noce_try_store_flag_constants): Use it to fail conversion.
1116 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1118 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1120 * except.h (can_throw): Declare it.
1121 * except.c (can_throw): Give it external linkage.
1122 * resource.c (find_dead_or_set_registers): Use can_throw.
1124 2000-05-25 Richard Henderson <rth@cygnus.com>
1126 * flow.c (mark_set_1): Don't record conditionally dead memory.
1128 2000-05-25 Jan Hubicka <jh@suse.cz>
1130 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1131 and pc_set at the place of simplejump_p and condjump_p.
1132 * cse.c (record_jump_equiv): Likewise.
1133 * emit-rtl.c (emit): Likewise.
1134 * explow.c (find_next_ref): Likewise.
1135 * flow.c (tidy_fallthru_edge): Likewise.
1136 (init_propagate_block_info): Likewise.
1137 * gcse.c (delete_null_pointer_checks): Likewise.
1138 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1139 dead_or_predicable): Likewise.
1140 * integrate.c (copy_insn_list): Likewise.
1141 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1142 for_each_insn_in_loop, check_dbra_loop, get_condition,
1143 insert_bct, load_mems): Likewise.
1144 * resource.c (find_dead_or_set_registers): Likewise.
1145 * sibcalls.c (simplejump_p): Likewise.
1146 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1148 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1150 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1151 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1153 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1154 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1155 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1156 * rs6000.md: Name various internal patterns.
1158 2000-05-25 Jan Hubicka <jh@suse.cz>
1160 * jump.c (invert_exp_1): Remove first argument, use pc_set
1161 to get the expression.
1162 (redirect_exp): Make static; redirect only the pc_set expression,
1163 remove first argument.
1164 (invert_exp): Remove first argument, make static.
1165 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1166 any_onlyjump at most places where we originaly did condjump_p
1168 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1169 (delete_barrier_succesors): Use pc_set.
1170 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1171 calls of invert_exp and redirect_exp.
1172 * rtl.h (redirect_exp, invert_exp): Remove.
1173 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1175 2000-05-25 Richard Henderson <rth@cygnus.com>
1177 * stmt.c (expand_end_bindings): Fix thinko last change.
1179 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1180 Andrew Haley <aph@cygnus.com>
1182 * except.c (func_eh_entry): Add emitted field.
1183 (new_eh_region_entry): Set emitted field to 0;
1184 (output_exception_table_entry): Only emit previously un-emitted data,
1185 and send it to the eh_data section.
1186 (output_exception_table): Break out common parts. Output
1187 exception table for entire compilation unit to eh_data section.
1188 (output_exception_table_data): Common parts of output_exception_table.
1189 Send output to eh_data section.
1190 (output_function_exception_table): Output exception table data for
1191 a single function to eh_data section.
1192 (free_exception_table): New external to free the table.
1193 * except.h (free_exception_table): Add prototype.
1194 (output_function_exception_table): Add prototype.
1195 * final.c (final_end_function): Output function exception table
1196 for IA64_UNWIND_INFO.
1197 (final_scan_insn): Emit any unwind directives for an insn.
1199 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1201 * frame.c: Remove all DWARF 2 specific code.
1202 * config/ia64/frame-ia64.c: New file.
1203 (gthread_stuff): Make all gthread available with
1205 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1206 (__register_frame_info, __register_frame): Move to common area of file.
1207 (__register_frame_info_table, __register_frame_table): Move to common i
1209 (__deregister_frame_info, __deregister_frame): Move to common area.
1210 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1211 (read_uleb128): New version for ia64.
1212 (get_unwind_record): Read the next IA-64 unwind record.
1213 (read_R_record): Read a region header record.
1214 (process_a_b_reg_code): X record helper.
1215 (read_X_record): Read an X format record.
1216 (read_B_record): Read a B format record.
1217 (P3_record_types): List of record types matching the P3 format.
1218 (P7_record_types): List of record types matching the P7 format.
1219 (P8_record_types): List of record types matching the P8 format.
1220 (read_P_record): Read a P format record.
1221 (init_ia64_reg_loc): Set default fields for a register.
1222 (init_ia64_unwind_frame): Set defaults for all register records.
1223 (execute_one_ia64_descriptor): Execute one descriptor record.
1224 (rse_address_add): Calculate the position of a local reg in memory.
1225 (normalize_reg_loc): Turn a location descriptor into a memory address.
1226 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1227 within a specified PC offset range.
1228 (get_real_reg_value): Given a register location, retrieve its value.
1229 (set_real_reg_value): Change the value of a register location.
1230 (copy_reg_value): Copy reg values, if needed.
1231 (copy_saved_reg_state): Copy all registers that need to be copied.
1232 (process_state_between): Normalize all frame register records that
1233 fall within the specified PC range.
1234 (frame_translate): Take a processed frame description, and turn
1235 everything into addresses.
1236 (build_ia64_frame_state ): Find and create frame state record for a PC.
1237 (get_personality): Get the personality routine for a given frame.
1238 (get_except_table): Get the exception table for a given frame.
1239 (record_name): Unwind record names for debugging.
1240 (print_record): Print and unwind record.
1241 (print_all_records): Print an entire unwind image.
1242 (__ia64_backtrace): Print a backtrace.
1243 (ia64_backtrace_helper): New function.
1244 (__register_frame_info_aux): New function.
1245 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1247 * frame.h (enum unw_record_type): New unwind record types.
1248 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1249 (struct unw_r_record, unwind_record): New unwind record structs.
1250 (struct unwind_info_ptr): Unwind information layout.
1251 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1253 (struct ia64_reg_loc): Register location description.
1254 (struct ia64_frame_state): Location of all registers in a frame.
1255 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1256 * libgcc2.c (__ia64_personality_v1): Personality routine.
1257 (__calc_caller_bsp): Calculate the bsp register for the caller's
1259 (ia64_throw_helper): Figure out who to return to and set up the
1261 (__throw): Throw routine.
1263 * output.h (assemble_eh_align, assemble_eh_label): New functions
1264 to generate EH info where we want it.
1265 (assemble_eh_integer): New function.
1266 * toplev.c (compile_file): Output module level exception table for
1268 (main): Set exceptions_via_longjump and flag_new_exceptions based
1269 on IA64_UNWIND_INFO too.
1271 * varasm.c (assemble_eh_label): Generate a label via
1272 ASM_OUTPUT_EH_LABEL if it has been specified.
1273 (assemble_eh_align): Generate an alignment directive via
1274 ASM_OUTPUT_EH_ALIGN if it has been specified.
1275 (assemble_eh_label): Generate an integer value via
1276 ASM_OUTPUT_EH_type if they have been specified.
1277 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1278 (ia64_init_builtins): Add __builtin_ia64_bsp
1279 and __builtin_ia64_flushrs.
1280 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1281 IA64_BUILTIN_FLUSHRS.
1282 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1283 IA64_BUILTIN_FLUSHRS.
1285 * config/ia64/ia64.md (flushrs): New insn to flush the register
1286 stack. Add to unspec list.
1288 * config/ia64/crtbegin.asm (frame_object): Change size.
1289 (__do_frame_setup_aux): New function.
1290 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1291 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1292 * Makefile.in (LIB2ADDEH): Add.
1293 (LIB2ADD): Use LIB2ADDEH.
1295 2000-05-24 Richard Henderson <rth@cygnus.com>
1297 * recog.c (offsettable_address_p): If mode size is zero, assume
1300 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1302 * configure.in: Check for -Wno-long-long option support and improve
1303 handling of warning CFLAGS for stages 1 and 2.
1304 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1305 * configure: Regenerate.
1307 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1309 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1310 * contrib.texi: New file.
1312 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1314 * loop.c (basic_induction_var): Avoid double recording of an increment.
1316 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1318 * Back out this patch:
1319 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1320 * loop.h (struct induction): Add multi_insn_incr.
1321 * loop.c (basic_induction_var): New multi_insn_incr argument.
1322 Set it if we search back through previous insns for the biv.
1323 (record_biv): New multi_insn_incr argument; fill in struct induction.
1324 (strength_reduce): Discard an iv with multiple bivs, any of
1325 which require multiple insns to increment.
1327 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1329 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1331 * rtl.h (loc_mentioned_in_p): Declare.
1332 * reload.c (loc_mentioned_in_p): Moved from here...
1333 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1334 Fix loop increment for 'E' handling.
1335 * loop.c (strength_reduce): When doing biv->giv conversion,
1336 take multi-insn biv increments into account.
1338 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1340 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1343 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1345 * calls.c (expand_call): Handle cleanups in tail-recursion
1346 arguments analagously to cleanups in sibling calls.
1348 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1350 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1351 All callers changed.
1353 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1355 * expr.c (expand_assignment, store_expr, expand_expr,
1356 expand_expr_unaligned): Set in_check_memory_usage while emitting
1357 chkr_check_addr libcall.
1359 2000-05-24 Nick Clifton <nickc@cygnus.com>
1361 * fold-const.c (extract_muldiv): When constructing a
1362 multiplier/divisor, do not expect const_binop to correctly
1363 determine if overflow has occured, so check explicitly.
1365 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1367 * c-decl.c (build_enumerator): Don't modify the value's type,
1370 2000-05-24 Andreas Jaeger <aj@suse.de>
1372 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1374 2000-05-24 Eric Christopher <echristo@cygnus.com>
1376 * configure.in: Redefine inhibit_libc conditions.
1377 * libgcc2.c: Remove inhibit_libc conditional define.
1378 * configure: Regenerate.
1380 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1382 * configure.in: For --enable-languages=LIST, check for empty LIST.
1383 * configure: Regenerate.
1385 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1387 * pdp11.h (STACK_BOUNDARY): Define.
1389 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1391 * ifcvt.c (if_convert): Update life info globally.
1393 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1395 * emit-rtl.c (unshare_all_decls): New function.
1396 (unshare_all_rtl): Call it.
1398 2000-05-23 Nick Clifton <nickc@cygnus.com>
1400 * configure.in: Treat 'strongarm' as if it were 'arm' when
1401 determining cpu type.
1403 * configure: Regenerate.
1405 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1406 where constant strings are involved.
1408 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1411 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1412 cases where constant strings are involved.
1414 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1416 * config/sh/sh.c (gen_far_branch, split_branches): Update
1417 to reflect new prototypes for redirect_jump and invert_jump.
1418 (sh_insn_length_adjustment): Get rid of const warnings.
1420 2000-05-23 Kazu Hirata <kazu@hxi.com>
1422 * invoke.texi (Options for Debugging Your Program or GCC): Update
1423 the names of dump files.
1425 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1427 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1428 * configure: Regenerated.
1430 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1432 * simplify-rtx.c (SIGN_EXTEND): New macro.
1433 (simplify_unary_operation, simplify_binary_operation,
1434 simplify_relational_operation): Use SIGN_EXTEND. Make low
1435 halves of (low, high) pairs unsigned if they weren't already.
1436 (simplify_ternary_operation): Cast INTVAL to unsigned before
1437 comparing to a MODE_BITSIZE.
1439 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1441 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1442 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1444 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1445 gcc_AC_NEED_DECLARATIONS.
1447 * dwarfout.c: Don't prototype time().
1449 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1451 * system.h: Likewise.
1453 * toplev.c: Likewise.
1455 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1457 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1459 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1461 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1463 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1465 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1467 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1469 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1470 (alpha_start_function): Never write ..ng label if VMS or NT.
1471 (alpha_align_insns): Remove GP_IN_USE arg.
1472 Alignment now unsigned.
1473 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1474 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1475 and two define_insn's.
1477 2000-05-22 Richard Henderson <rth@cygnus.com>
1479 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1481 2000-05-22 Richard Henderson <rth@cygnus.com>
1483 * stor-layout.c (place_field): Change rli->size to rli->offset.
1485 2000-05-22 Richard Henderson <rth@cygnus.com>
1487 * function.c (thread_prologue_and_epilogue_insns): Make sure
1488 existing line number notes appear after the prologue.
1490 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1492 * config/alpha/alpha.c (alpha_fnname): New static variable.
1493 (print_operand, case '~'): New case.
1494 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1495 (alpha_start_function): Set alpha_fnname.
1496 Write "ng" label if no ldgp; don't write ldgp insn.
1497 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1498 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1500 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1502 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1505 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1507 * varasm.c (eh_frame_section): Revert change to argument list.
1509 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1511 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1512 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1514 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1515 dangling "else" that causes "break" to be conditional.
1516 Also remove unneeded code at start.
1518 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1520 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1521 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1522 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1524 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1526 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1529 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1531 * alias.c (record_component_aliases): New function.
1532 * tree.h: Clean up some declarations and comments.
1533 (record_component_aliases): New declaration.
1534 * tree.c (get_alias_set): If type and has alias set, use it.
1536 2000-05-22 Richard Henderson <rth@cygnus.com>
1538 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1539 IF_THEN_ELSE to a setcc form.
1540 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1542 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1544 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1545 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1547 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1549 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1552 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1554 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1555 * config/mn10300/mn10300.c (print_operand): Likewise.
1557 * final.c (split_double): Right shift of negative values is not
1560 * ifcvt.c (if_convert): Scan and kill dead code.
1562 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1564 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1566 * diagnostic.c: Eliminate implicit int.
1567 * except.c, gcc.c: Add static prototypes.
1568 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1569 * gensupport.c (process_rtx): Use XVEC to initialize vector
1572 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1573 debug_reg_names instead of static reg_names. If not, define
1575 * regclass.c: Don't define global reg_names unless
1576 DEBUG_REGISTER_NAMES is defined.
1578 * reload1.c (order_regs_for_reload): Remove unused variable.
1579 * varasm.c: Include output.h after defaults.h. Define
1580 eh_frame_section as function of no args, not of unspecified args.
1582 * gcc.c: Constify argbuf; arguments to store_arg,
1583 process_command, main; elements of struct command and struct
1584 switchstr; local variables in execute, process_command, main.
1586 2000-05-20 Bruce Korb <bkorb@gnu.org>
1588 * fixinc/inclhack.def: many applications of c_fix=format + tests
1589 * fixinc/check.diff: regenerated
1590 * fixinc/fixincl.x: regenerated
1592 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1594 * alias.c: Clarify some comments.
1595 (record_base_value): REGNO is unsigned.
1596 * rtl.h (record_base_value): Likewise.
1598 * alias.c (aliases_everything_p): Don't special-case QImode here.
1599 * c-common.c (c_get_alias_set): Do it here.
1600 Handle BIT_FIELD_REF by getting alias info for arg.
1603 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1605 * mklibgcc.in: Restore rule to create ${dir}.
1607 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1609 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1610 GCC_FOR_TARGET used by MULTILIBS.
1611 * mklibgcc.in: Make sure each .o file depends on the
1612 directory it will be in.
1613 Make the multilib directory depends libgcc.
1615 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1617 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1619 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1621 * fold-const.c (make_range): Handle degenerated intervals.
1622 Fixes c-torture/execute/991221-1.c
1624 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1626 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1627 * reload.c (find_equiv_reg): Likewise.
1628 * alias.c (init_alias_analysis): Likewise.
1629 Only call prologue_epilogue_contains on insns.
1630 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1631 * bb-reorder.c (hard-reg-set.h): Include earlier.
1632 * haifa-sched.c (hard-reg-set.h): Likewise.
1633 * ifcvt.c (hard-reg-set.h): Likewise.
1634 * local-alloc.c (hard-reg-set.h): Likewise.
1635 * loop.c (hard-reg-set.h): Likewise.
1636 * predict.c (hard-reg-set.h): Likewise.
1637 * regrename.c (hard-reg-set.h): Likewise.
1638 * flow.c (hard-reg-set.h): Likewise.
1639 (reg_set_to_hard_reg_set): New function.
1640 * bitmap.c (regs.h, basic-block.h): No longer include.
1641 (bitmap.h): Now include.
1642 * conflict.c (hard-reg-set.h): Include.
1643 * profile.c (hard-reg-set.h): Likewise.
1644 * print-rtl.c (hard-reg-set.h): Likewise.
1645 * sbitmap.c (hard-reg-set.h): Likewise.
1646 * toplev.c (hard-reg-set.h): Likewise.
1647 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1648 * hard-reg-set.h (reg_names): Now constant.
1649 * regs.h (reg_names): Likewise.
1650 * regclass.c (reg_names): Likewise.
1651 * loop.h (basic-block.h): No longer include.
1652 (bitmap.h): Now include.
1653 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1654 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1655 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1657 2000-05-19 Jan Hubicka <jh@suse.cz>
1658 Richard Henderson <rth@cygnus.com>
1660 * basic-block.h (struct edge_def): New field "count".
1661 (struct basic_block_def): Likewise.
1662 * flow.c (entry_exit_blocks): Add count fileds.
1663 (split_edge): Keep count information up-to-date.
1664 (dump_edge_info, dump_flow_info): Dump count fields.
1666 * final.c (count_instrumented_edges): Rename to edge from arc.
1667 (end_final): Update users.
1668 * profile.c: Include expr.h, basic-block.h.
1669 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1670 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1671 (ignore_next_note, return_label_execution_count): Kill.
1672 (bbg_file_name, da_file_name): Kill.
1673 (edge_info, bb_info): New structures.
1674 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1675 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1676 (total_num_edges_instrumented): Likewise.
1677 (init_arc, expand_spanning_tree): Kill.
1678 (fill_spanning_tree, tablejump_entry_p): Kill.
1679 (instrument_edges): Rewrite from instrument_arcs to use
1680 commit_edge_insertions infrastructure.
1681 (compute_branch_probabilities): Remove arguments; rewrite for
1682 CFG infrastructure; use rtl_dump_file directly.
1683 (branch_prob, find_spanning_tree): Likewise.
1684 (union_groups, find_group): New.
1685 (init_branch_prob): Make bbg_file_name and da_file_name local.
1686 (end_branch_prob): Use rtl_dump_file directly.
1687 (init_edge_profiler): Rename to edge from arc.
1688 (output_arc_profiler): Kill.
1689 (gen_edge_profiler): New.
1690 (output_func_start_profiler): Turn off profiling. Make the
1691 constructor static when we can.
1692 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1694 * toplev.c (DFI_flow): Remove.
1695 (DFI_cfg, DFI_life): New.
1696 (dump_file): Update accordingly.
1697 (compile_file): Call end_branch_prob if profile_arc_flag too.
1698 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1699 profiling after the CFG is built. Move flow1 life analysis to
1700 DFI_life. Always estimate remaining probabilities.
1702 2000-05-19 Richard Henderson <rth@cygnus.com>
1704 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1706 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1708 2000-05-19 Richard Henderson <rth@cygnus.com>
1710 * jump.c (redirect_jump): Add delete_unused argument. Don't
1711 remove labels and code following when LABEL_NUSES goes to zero.
1712 (invert_jump): Likewise.
1713 (jump_optimize_1): Fix redirect/invert arguments.
1714 (do_cross_jump, thread_jumps): Likewise.
1715 * flow.c (split_edge): Likewise.
1716 * reorg.c (optimize_skip): Likewise.
1717 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1718 * profile.c (instrument_arcs): Likewise.
1719 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1720 * rtl.h: Update prototypes.
1722 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1724 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1726 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1729 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1731 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1732 past l1 when deleting whitespace and markers.
1734 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1735 * cpplib.c (do_unassert): Put the list to compare against on
1738 2000-05-19 Bruce Korb <bkorb@gnu.org>
1740 * fixinc/README: cleaned up old documentation
1741 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1742 * fixinc/check.tpl: compute the list of needed directories
1743 emit "#if defined(name)" because of conflict
1744 omit machine name differences from output differences
1745 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1746 (machine_name): change test text to use `sed' markers
1747 * fixinc/fixincl.x: regen
1749 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1751 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1754 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1756 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1757 it to match the current practice.
1759 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1761 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1763 2000-05-18 Richard Henderson <rth@cygnus.com>
1765 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1766 * rtl.h (insn_dependant_p): Declare it.
1767 * loop.c (strength_reduce): Use it.
1769 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1771 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1772 16-bit and 64-bit clean-up.
1774 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1776 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1777 * configure: Rebuilt.
1779 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1781 * genopinit.c: Use $ for escape sequences in optab patterns.
1782 Remove backslashes from optab patterns. Change $A, $B, $C to
1783 expand to (int) whatever instead of just whatever; remove
1784 explicit (int) from all optab patterns.
1786 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1787 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1788 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1789 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1792 2000-05-18 Richard Henderson <rth@cygnus.com>
1794 * jump.c (jump_optimize_1): Base minimum insn count during
1795 find_cross_jump on BRANCH_COST.
1797 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1799 * print-rtl.c (print_rtx): Only print note line number as string
1800 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1801 * final.c (final_scan_insn): Do nothing for note line number 0.
1803 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1805 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1806 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1807 NOTE_INSN_DELETED_LABEL.
1809 2000-05-18 Nick Clifton <nickc@cygnus.com>
1811 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1812 uninitialised data in .rodata not .bss, and do not interpret an
1813 error in the initialisation value as meaning that the variable
1814 should be placed in the .bss section.
1816 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1818 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1819 not `$ac_cv_prog_cc_cc_c_o'.
1820 * configure: Regenerated.
1822 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1823 Richard Henderson <rth@cygnus.com>
1825 * c-common.h (enum c_tree_index): Add g77 type entries.
1826 (g77_integer_type_node, g77_uinteger_type_node): New.
1827 (g77_longint_type_node, g77_ulongint_type_node): New.
1828 * c-decl.c (init_decl_processing): Initialize them.
1830 2000-05-18 Richard Henderson <rth@cygnus.com>
1832 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1834 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1835 (small_power_of_two): Likewise; use exact_log2.
1836 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1837 (output_adds_subs): Remove.
1838 (two_insn_adds_subs_operand): New.
1839 (split_adds_subs): New.
1840 * config/h8300/h8300-protos.h: Update.
1841 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1842 (CONST_OK_FOR_L): Match strict adds operands.
1843 (CONST_OK_FOR_N): Match struct subs operands.
1844 * config/h8300/h8300.md (adds_subs insns): Remove.
1845 (addhi patterns): Output adds/subs directly.
1846 (addsi_h8300h): Likewise.
1847 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1849 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1851 * cppexp.c (parse_assertion): New.
1852 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1853 (_cpp_parse_expr): Remove case '#'. Don't set
1854 parsing_if_directive.
1855 * cpphash.c (collect_objlike_expansion,
1856 collect_funlike_expansion, collect_params,
1857 _cpp_create_definition): The list no longer has a trailing
1859 * cpphash.h (enum node_type): Add T_ASSERTION.
1860 (struct hashnode): Remove aschain, add pred.
1861 (struct predicate): New.
1864 * cpplex.c (expand_token_space): Handle both offset and
1866 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1867 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1868 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1869 _cpp_equiv_toklists): New.
1870 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1871 stop at any single-character token, not just newline.
1872 (_cpp_lex_token): Remove special cases for #define and #if.
1873 (cpp_get_token): Expect # as a separate token type. Remove
1875 (_cpp_get_directive_token): Remove DIRECTIVE case.
1876 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1878 * cpplib.c (_cpp_check_directive): Set dirno and
1879 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1880 (_cpp_handle_directive): Run # <number> through the same logic
1881 as normal directives.
1882 (do_define): Don't set parsing_define_directive. Use
1883 _cpp_scan_until. The list does not have a VSPACE at the end.
1884 (do_if): Save, clear, and restore only_seen_white around
1886 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1887 (do_assert, do_unassert): Rewrite.
1889 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1890 (LIST_OFFSET): New flag.
1891 (struct cpp_toklist): Replace dir_handler and dir_flags with
1893 (struct cpp_reader): Remove parsing_if_directive and
1894 parsing_define_directive.
1896 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1898 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1899 following the cabs decl which terminate on the following line.
1900 Add the corresponding test_text case.
1902 2000-05-18 Neil Booth <NeilB@earthling.net>
1904 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1905 default tab stop size.
1906 (no_num, OPT_ftabstop): New.
1907 (handle_option): Handle "ftabstop=" command-line option.
1908 (print_help): Document it.
1909 * cpplex.c (COLUMN): Remove.
1910 (handle_newline): Reset col_adjust.
1911 (skip_whitespace): Update col_adjust as tabs encountered.
1912 (_cpp_lex_line): Update to use col_adjust. Call
1913 skip_whitespace for all whitespace.
1914 * cpplib.h (struct cpp_options): New member tabstop.
1915 (struct cpp_reader): New member col_adjust.
1916 (CPP_BUF_COL): Update.
1917 (CPP_BUF_COLUMN): New.
1918 * cpp.texi: Document "-ftabstop=" command line option.
1920 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1922 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1924 * configure: Rebuilt.
1926 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1928 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1930 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1931 HOST_BITS_PER_WIDE_INT is >= 64.
1933 2000-05-17 Richard Henderson <rth@cygnus.com>
1935 * jump.c (jump_optimize_1): Remove inactive but real insns
1936 in jump-to-next-insn optimization.
1938 2000-05-17 Richard Henderson <rth@cygnus.com>
1940 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1941 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1942 Don't call recompute_reg_usage if no_new_pseudos is true.
1943 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1944 Return true if we did work; update global life information.
1945 * basic-block.h (optimize_mode_switching): Update decl.
1947 2000-05-17 Neil Booth <neilb@earthling.net>
1949 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1951 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1953 * cpplib.c: New feature, #pragma system_header.
1954 * cpp.texi: Document special treatment of system headers, and
1955 the various mechanisms to get a header that special treatment.
1957 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1959 * system.h (offsetof): Define at the very end, to ensure we prefer
1960 the platform's definition if available.
1962 2000-05-16 Bruce Korb <bkorb@gnu.org>
1964 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1965 * fixinc/server.c: likewise
1966 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1967 + #ifdef debugging code + use #def constant for
1969 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1970 on C++ math namespace
1972 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1974 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1975 Don't check the return value of sprintf. Use asprintf to avoid
1978 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1980 * flags.h (warn_unused_function, warn_unused_label,
1981 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1982 Replace ``warn_unused''.
1983 (set_Wunused): Add declaration.
1984 * toplev.c (set_Wunused): New function.
1985 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1986 warn_unused_variable, warn_unused_value): New variables.
1987 (W_options): Add -Wunused-function, -Wunused-function,
1988 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1989 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1991 * toplev.c (decode_W_option): Update -Wunused flags by calling
1993 * c-decl.c (c_decode_option): Ditto for -Wall.
1995 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1996 warn_about_unused_variables): Replace warn_unused with more
1997 explicit warn_unused_value et.al.
1998 * function.c (expand_function_end): Ditto.
1999 * c-typeck.c (internal_build_compound_expr,
2000 internal_build_compound_expr): Ditto.
2001 * c-decl.c (poplevel, pop_label_level): Ditto.
2002 * toplev.c (check_global_declarations): Replace warn_unused with
2003 check for either warn_unused_function or warn_unused_variable.
2005 * gcc.1, invoke.texi (Warning Options): Document
2006 -Wunused-function, -Wunused-function, -Wunused-label,
2007 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
2009 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
2011 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
2012 $(srcdir), not in the current directory.
2014 2000-05-16 Richard Henderson <rth@cygnus.com>
2016 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
2017 assembler supports it.
2018 (.fini, .init): Use a gp-relative indirect call.
2019 (__do_global_dtors_aux): Preserve the gp; rebundle.
2020 (__do_frame_setup): Likewise.
2021 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
2022 (.init): Use a gp-relative indirect call.
2023 (__do_global_ctors_aux): Preserve the gp.
2025 2000-05-16 Richard Henderson <rth@cygnus.com>
2027 * flow.c (commit_one_edge_insertion): Be prepared for a return
2028 insn to be inserted on the edge with a normal jump.
2029 * jump.c (jump_optimize_1): Don't look to create return isns.
2031 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2032 * jump.c (jump_optimize_1): Likewise.
2033 (returnjump_p): Verify the argument is a JUMP_INSN.
2034 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2036 2000-05-16 Nick Clifton <nickc@cygnus.com>
2038 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2039 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2040 (large_insn_p): Ditto.
2041 (m32r_is_insn): New function: Return true if the insn contains
2042 an executable instruction.
2043 (m32r_adjust_insn): Use m32r_is_insn.
2044 (m32r_sched_reorder): Use m32r_is_insn.
2045 (m32r_sched_variable_issue): Use m32r_is_insn.
2047 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2049 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2052 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2054 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2055 according to given options.
2057 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2059 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2060 if X has VOIDmode either.
2061 (LIMIT_RELOAD_CLASS): Similarly.
2063 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2064 not "general_operand" to match the processor's capabilities.
2066 2000-05-16 Bruce Korb <bkorb@gnu.org>
2068 * fixinc/README: corrected return address
2069 * fixinc/check.diff: regenerate, now that test works
2070 * fixinc/fixfixes.c(format_fix,format_write): reformatted
2071 (char_macro_def_fix,char_macro_use_fix): corrected and
2072 rewrote to use regex to parse the text
2073 * fixinc/inclhack.def: more testing
2074 * fixinc/fixincl.x: regenerated
2076 * fixinc/inclhack.def: added several "test_text" attributes
2077 changed several fixes to use `c_fix = format'
2078 re-alphabetized the fixes
2080 * fixinc/check.diff: regenerate
2081 * fixinc/fixincl.x: regenerate
2082 * fixinc/check.tpl: added `sparc' and `netinet' to the list
2086 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
2088 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2090 2000-05-15 Richard Henderson <rth@cygnus.com>
2092 * toplev.c (rest_of_compilation): Run full jump pass before
2093 find_basic_blocks of flow2.
2095 2000-05-15 Richard Henderson <rth@cygnus.com>
2097 * jump.c: Fix typos and clarify commentary from last change.
2098 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2099 (safe_to_remove_jump_p): Remove.
2100 (condjump_label): Use pc_set.
2102 2000-05-15 Richard Henderson <rth@cygnus.com>
2104 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2105 that get in the way after reload.
2106 (cond_exec_process_if_block): Skip a label heading THEN block.
2108 2000-05-15 Richard Henderson <rth@cygnus.com>
2110 * varasm.c (output_constant_pool): Abort instead of converting
2111 (improperly) deleted labels to zero.
2113 2000-05-16 Neil Booth <NeilB@earthling.net>
2115 * cpplex.c (parse_string2): Update comment.
2116 (cpp_lex_line): No special assertion treatment for '('.
2117 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2118 * cpplib.h (SYNTAX_ASSERT): Remove.
2120 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2122 * jump.c (condjump_p): Mark as depreached.
2123 (any_condump_p): New.
2124 (any_uncondump_p): New.
2126 (safe_to_remove_jump_p): New.
2127 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2128 safe_to_remove_jump_p): Declare.
2130 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2132 * calls.c: Re-install both patches reverted by last patch.
2133 (struct arg_data): New field tail_call_reg.
2134 (initialize_argument_information): Initialize tail_call_reg
2135 (load_register_parameters): New argument flags, use
2136 tail_call_reg when emiting tail call sequence.
2137 (expand_call): Update call of load_register_parameters;
2138 copy unadjusted_args_size to adjusted_args_size.
2140 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2142 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2143 and bct_p parameters to flags.
2144 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2145 * rtl.h (loop_optimize): Update prototype.
2146 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2148 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2150 * calls.c (expand_call): Move expand_start_target_temps call after
2153 2000-05-15 Neil Booth <NeilB@earthling.net>
2155 * cpphash.c (trad_stringify, warn_trad_stringify,
2156 collect_params): Make some pointers pointers to const.
2157 * cpplex.c (auto_expand_name_space) Guaranteed to always
2158 expand by at least one character.
2159 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2160 (struct token_spelling): Use const U_CHAR * rather than PTR.
2161 (expand_name_space): Fix up token pointers if name space
2162 is moved when expanding.
2163 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2164 parse_string2, save_comment, spell_token, cpp_output_list):
2165 Update so the routines handle tokens with a direct pointer to
2166 their text, rather than an offset into the token's list's namebuf.
2167 (_cpp_lex_line): Rearrange for clarity.
2169 * cpplib.c (_cpp_check_directive): Similarly.
2170 (do_define): Make SYM a pointer to const.
2171 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2172 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2173 (TOK_OFFSET): Delete.
2176 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2178 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2181 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2183 (logical_u_operand): Delete.
2184 (non_logical_cint_operand): Rewrite to take MODE into account.
2185 (non_logical_u_cint_operand): Delete.
2186 (boolean_operator): New function.
2187 (print_operand): Add new %q operand.
2188 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2189 remove logical_u_operand and non_logical_u_cint_operand,
2190 update logical_operand and non_logical_cint_operand.
2191 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2192 logical operations to use %q.
2194 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2195 (movdi): Make similar to movsi.
2196 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2197 is no such thing as a DImode CONST_DOUBLE.
2198 * config/rs6000/rs6000.c (output_toc): Likewise.
2200 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2201 codes when old mnemonics are in use. Print register names
2202 for cc registers when requested.
2204 * optabs.c (expand_float): Don't allow mode widening that causes
2207 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2208 flags to their current names -maix64 and -maix32.
2210 2000-05-14 Bruce Korb <bkorb@gnu.org>
2212 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2213 and/or after current text of file
2214 * fixinc/fixlib.c(must_malloc):
2215 * fixinc/fixlib.h(must_malloc): + reformatting
2216 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2217 with usages of ``c_fix = wrap;''
2218 Add several tests and use the ``c_fix = format'' fixer more.
2219 * fixinc/fixincl.x: regen
2220 * fixinc/check.diff: regen
2221 * fixinc/check.tpl: emit the associated header with the missing
2224 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2226 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2227 variables $src and $dst.
2229 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2231 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2232 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2233 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2234 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2236 (set_message_prefixing_rule): Declare.
2238 * diagnostic.c: (current_prefixing_rule): New variable.
2239 (set_message_prefixing_rule): Define.
2240 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2241 (init_output_buffer): Adjust Initialization.
2242 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2244 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2246 * ifcvt.c (if_convert): Do not free NULL.
2248 2000-05-12 Nick Clifton <nickc@cygnus.com>
2250 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2251 to move a double word value.
2252 (di_operand): New function: Return true if the operand is suitbale
2253 for a double word move operation.
2254 (nonimmediate_di_operand): New function: Return true if the
2255 operand is a DImode register or MEM.
2257 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2258 nonimmediate_di_operand.
2260 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2261 nonimmediate_di_operand.
2263 * config/fr30/fr30.md (movdi): New pattern. Required because
2264 other patterns generate DImode results.
2265 (movdi_insn): New pattern.
2267 2000-05-12 Richard Henderson <rth@cygnus.com>
2269 * config/alpha/alpha.c (struct shadow_summary): Define
2270 bitfields as type unsigned int.
2272 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2274 * config/avr/t-avr: Added definition of FLOAT while generates
2277 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2278 peepholes for tst+jump = sbrs/sbrc optimization.
2280 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2282 * expr.c (emit_push_insn): Do not adjust stack pointer when
2285 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2287 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2288 * system.h (offsetof): ... to here.
2290 2000-05-12 Richard Henderson <rth@cygnus.com>
2292 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2293 * final.c (final_end_function): Use app_disable. Rearrange note
2294 handling into a switch. Emit deleted labels.
2295 (output_asm_label): Generate label strings for deleted labels.
2296 * flow.c (tail_recursion_label_list): New.
2297 (find_basic_blocks_1): Set label_value_list directly. Collect list
2298 of tail recursion labels from call_placeholders. Don't add deleted
2299 labels to the label value list.
2300 (cleanup_cfg): Use free_EXPR_LIST_list.
2301 (flow_delete_insn_chain): Turn non-removable labels into notes.
2302 (flow_delete_block): Don't disable deleting the block because of
2303 a non-removable label.
2304 (tail_recursion_label_p): New.
2305 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2307 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2309 (merge_blocks): Disable a merge because of tail recursion labels.
2310 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2311 Use a more accurate measure of not merging the join block.
2312 (find_if_block): Don't disable conversion because of a label.
2313 (find_if_case_1, find_if_case_2): Likewise.
2314 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2315 element when copying.
2316 (squeeze_notes): Also leave EH notes.
2317 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2319 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2321 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2322 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2323 referring to a deleted label. Convert tail handling to a switch.
2324 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2325 for NOTE_INSN_DELETED_LABEL.
2326 (NOTE): Fix commentary.
2327 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2328 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2329 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2330 (LABEL_NUSES, LABEL_REFS): Likewise.
2331 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2333 2000-05-12 Bruce Korb <bkorb@gnu.org>
2335 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2336 * fixinc/check.diff: updated
2337 * fixinc/inclhack.def: corrected & added some test_text-s
2338 * fixinc/genfixes: removed unneeded options to autogen invocation
2339 * fixinc/fixincl.tpl: Specified the output file
2340 * fixinc/fixfixes.c: visual appearance
2341 * fixinc/fixincl.x: regenerate
2343 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2345 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2346 CTRL_defn_fix): Delete.
2347 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2348 char_macro_def_fix and char_macro_use_fix, respectively. Put
2349 them into the FIXUP_TABLE. Get the string to search for from
2352 (format_write): New function.
2353 (format_fix): Use it.
2355 (FIX_PROC_HEAD): Constify text parameter.
2356 (machine_name_fix): Constify all char *s.
2357 * fixtests.c (skip_quote): Remove double static.
2359 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2360 ctrl_use_quotes): Update for new scheme.
2361 * fixincl.x: Regenerate.
2363 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2365 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2367 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2368 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2370 2000-05-11 Robert Lipe <robertlipe@usa.net>
2372 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2373 * fixincl.x: Regenerate.
2375 2000-05-11 Richard Henderson <rth@cygnus.com>
2377 * calls.c: Revert both 05-09 patches.
2379 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2381 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2383 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2386 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2387 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2389 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2391 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2393 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2395 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2397 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2399 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2400 * config/avr/avr.c (jump_over_one_insn_p): New function.
2401 * config/avr/avr.md: New peepholes added. Output test and
2402 conditional jump to "sbrc" or "sbrs" command.
2404 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2406 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2408 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2410 * except.c (find_exception_handler_labels_1): New function.
2411 (find_exception_handler_labels): Split into two functions, dive
2412 into CALL_PLACEHOLDERs when looking for exception handler labels.
2414 2000-05-11 Stan Cox <scox@cygnus.com>
2416 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2417 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2418 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2420 2000-05-11 Bruce Korb <bkorb@gnu.org>
2422 * fixinc/fixfixes.c (double_slash_fix): obsolete
2423 (else_endif_label_fix): obsolete
2424 (format_fix): new, unused as yet
2426 * fixinc/fixlib.h: added fix description struct for use by format_fix
2427 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2428 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2429 modules. Removed the vestiges of the script version.
2430 Added support for "make check".
2431 * fixinc/check.diff: base diff file (needs work!!)
2432 * fixinc/check.tpl: quiet the fixup output
2433 * fixinc/fixtests.c (main): obsolete
2434 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2435 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2437 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2439 * toplev.c (rest_of_compilation): Remove dead code after
2442 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2444 * cpphash.c (collect_funlike_expansion): Make "# is not
2445 followed by a macro argument name" a pedwarn, not an error.
2446 Preserve the # in the output. Suppress the warning if lang_asm.
2448 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2450 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2451 * configure: Rebuilt.
2453 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2455 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2457 2000-05-10 Kazu Hirata <kazu@hxi.com>
2459 * combine.c (try_combine): Fix a typo.
2461 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2463 * config/ia64/ia64.md (insv): Add comment.
2465 2000-05-10 Richard Henderson <rth@cygnus.com>
2467 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2468 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2469 dependancies on FPBIT and DPBIT.
2471 2000-05-10 Nick Clifton <nickc@redhat.com>
2473 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2474 when optimising for size.
2475 (mark_used_regs:) Ditto.
2476 (try_pre_increment_1): Ditto.
2478 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2480 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2481 Make error message friendlier.
2483 * cpphash.h (struct hashnode): Use struct hack for name
2485 * cpphash.c (struct hashdummy): New.
2486 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2487 (make_HASHNODE): No need to set ->name pointer. Correct
2489 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2491 2000-05-10 Richard Henderson <rth@cygnus.com>
2493 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2496 2000-05-10 Bruce Korb <bkorb@gnu.org>
2498 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2500 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2502 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2503 after we enter .debug.
2505 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2507 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2508 abstract instance of a nested inline function.
2510 * stor-layout.c (finish_record_layout): finalize_type_size
2511 before laying out the pending_statics.
2513 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2515 * cpplex.c (spell_token): New function.
2516 (spell_string, spell_comment, spell_name): fold into
2519 (E, H): Remove macros.
2520 (save_comment): Save comment opening characters too.
2521 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2523 * cpplib.h (I, S): Add macros.
2524 (E, H): Remove macros.
2525 (TTYPE_TABLE): Update entries for new speller.
2526 (SYNTAX_ASSERT): Remove.
2528 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2530 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2531 when removing escaped newlines. Reverse sense of test for
2534 2000-05-09 Richard Henderson <rth@cygnus.com>
2536 * flow.c (find_basic_blocks_1): Do not delete the first
2537 bb_note we run across.
2538 (create_basic_block): Use reorder_insns to move an existing
2539 bb_note to the correct place.
2541 2000-05-09 Richard Henderson <rth@cygnus.com>
2543 * calls.c (expand_call): Increment currently_expanding_call
2544 before calling optimize_tail_recursion.
2546 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2548 * reload1.c (reload_combine): Fix errors in last change.
2550 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2552 * gcc.c (used_arg): Skip over a semicolon at the end of the
2553 split-up loop; don't break out of it.
2555 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2556 (tree.o): Depend on output.h.
2558 * c-decl.c (pending_invalid_xref_file,
2559 current_function_prototype_file): Constify.
2560 (pushdecl): Constify a local char *.
2561 (define_label): Constify filename parameter.
2562 * c-lex.c (init_parse): Constify parameter and return value.
2563 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2564 * c-tree.h: Update prototypes.
2565 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2566 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2567 objc/objc-parse.c: Regenerate.
2569 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2570 * dwarfout.h: Update prototypes.
2571 * expr.c (expand_expr): Constify a local char *.
2572 * flags.h: Constify main_input_filename.
2573 * function.c (expand_function_end): Constify filename parameter.
2574 * genrecog.c (make_insn_sequence): Use a character array for
2576 (main): Remove unused variables.
2577 * input.h: Constify input_filename, main_input_filename, and
2578 file_stack.name. Update prototypes.
2579 * output.h: Declare first_global_object_name and
2580 weak_global_object_name here, as const char *.
2581 * stmt.c (expand_asm_operands): Constify filename parameter.
2582 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2583 Constify filename parameter.
2584 (input_filename, main_input_filename): Constify.
2585 * toplev.h: Update prototypes.
2586 * tree.c: Include output.h. Don't declare
2587 first_global_object_name or weak_global_object_name. Clean up string
2588 bashing in get_file_function_name_long.
2589 * tree.h (struct tree_decl): Constify filename member.
2590 (input_filename): Constify.
2592 * varasm.c (first_global_object_name, weak_global_object_name):
2594 (assemble_start_function, assemble_variable): Clean up string bashing.
2596 * gcc.c: Constify all spec-related strings initialized,
2597 transitively, from string constants. Constify all strings
2598 and string variables related to multilibs.
2599 (set_spec, read_specs): Cast argument to free to PTR.
2600 (used_arg): Do not modify multilib_matches. Use strncmp plus
2601 length comparison to compare multilib switches.
2602 * genmultilib: Constify everything declared in multilib.h.
2604 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2606 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2609 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2611 * config/avr/avr-protos.h (extra_constraint): change a type of
2612 second argument from char to int to avoid warnings.
2613 (asm_output_byte): Likewise.
2615 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2616 (initial_elimination_offset): Handle elimination from
2617 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2618 (legitimate_address_p): Use MAX_LD_OFFSET.
2619 (legitimize_address): Likewise.
2620 (out_movqi_r_mr): Likewise.
2621 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2622 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2623 (out_movsi_mr_r): Likewise.
2624 (out_movqi_mr_r): Likewise.
2625 (out_movhi_mr_r): Likewise.
2626 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2627 count as CONST_INT != 6.
2628 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2629 shift count is a CONSTANT_P, but not a CONST_INT.
2630 (ashlhi3_out): Coding style modifications.
2631 (ashlsi3_out): Likewise.
2632 (ashrhi3_out): Likewise.
2633 (ashrsi3_out): Likewise.
2634 (lshrhi3_out): Likewise.
2635 (lshrsi3_out): Likewise.
2636 (ashrqi3_out): Generate shift for any known constant count without
2637 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2638 but not a CONST_INT.
2639 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2640 shift count is a CONSTANT_P, but not a CONST_INT.
2641 (extra_constraint): change a type of
2642 second argument from char to int to avoid warnings.
2643 (asm_output_byte): Likewise.
2644 (asm_file_end): Output size generated commands count as a hex
2647 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2649 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2651 (ashlqi3): Values of "length" attribute changed. Shift count
2652 uses constraints 'n' instead of 'i'.
2653 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2654 shifts without clobber register.
2655 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2656 (call_insn): Correct test for which_alternative == 1 (was 0).
2657 (call_value_insn): Likewise.
2659 * config/avr/t-avr: Remove definition of FLOAT while generates
2662 2000-05-09 Bruce Korb <bkorb@gnu.org>
2664 * fixinc/check.tpl: Template for checking fixes
2665 * fixinc/inclhack.def: Added 'test_text' for many fixes
2666 disable hpux8_bogus_inlines on SCO
2667 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2669 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2671 * calls.c (expand_call): Reorganize somewhat in order
2672 to avoid unnecesary recalculation inside loop and make
2673 tail call failure code cleaner.
2675 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2677 * alias.c (nonlocal_reference_p): Minor reformatting.
2678 * reload.c (find_equiv_reg): Simplify logic for
2679 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2680 some some reformatting.
2681 * reload1.c (reload_combine): Don't assume everything in
2682 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2684 2000-05-08 Richard Henderson <rth@cygnus.com>
2686 * final.c (current_insn_predicate): New.
2687 (final_scan_insn): Set it.
2688 * output.h (current_insn_predicate): Declare.
2690 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2691 Attach it to call insns.
2692 (cond_exec_process_if_block): Track probability for true and
2694 (dead_or_predicable): Likewise.
2696 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2697 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2698 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2699 (estimate_probability, expected_value_to_br_prob): Use them.
2701 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2702 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2703 (ia64_expand_prediction): New.
2704 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2705 as needed after calls.
2706 (ia64_epilogue_uses): Mark b0 used.
2707 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2708 (bne_true, bne_false): Remove.
2709 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2710 (br_true, br_false): New. Use predicate_operator and
2711 ia64_expand_prediction.
2712 (return_true, return_false): Likewise.
2713 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2714 (call_internal1, call_value_internal): Likewise.
2715 (call_value_internal1, call_multiple_values_internal1): Likewise.
2717 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2719 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2721 2000-05-08 Richard Henderson <rth@cygnus.com>
2723 * rtlanal.c (may_trap_p): Consider old-style and volatile
2726 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2728 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2730 2000-05-08 Richard Henderson <rth@cygnus.com>
2732 * config/ia64/ia64.h (predicate_operator): Declare.
2734 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2737 * gensupport.c (process_rtx): Copy and post-process each member
2738 of the define_insn rtvec individually.
2740 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2742 * cpplex.c (spell_token): New function.
2743 (TOKEN_LEN): Add 1 for whitespace.
2744 (_cpp_lex_file): Update to use spell_token.
2745 * cpplib.h (E): Remove.
2746 (TTYPE_TABLE): Update CPP_VSPACE entry.
2748 2000-05-08 Richard Henderson <rth@cygnus.com>
2750 * flow.c (init_propagate_block_info): Watch out for conditional
2751 branch to next instruction, and thus one outgoing edge.
2753 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2754 for global register variables; don't special case __[CD]TOR_LIST__;
2755 mind ggc_p for string allocation.
2757 2000-05-08 Nick Clifton <nickc@cygnus.com>
2759 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2761 2000-05-08 Bruce Korb <bkorb@gnu.org>
2763 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2764 i?86-*-msdosdjgpp* no longer uses fixincludes
2765 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2766 * fixinc/inclhack.sh: deleted
2767 * fixinc/hackshell.tpl: deleted
2768 * fixinc/inclhack.tpl: deleted
2769 * fixinc/Makefile.in: Remove dependencies on above
2770 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2772 2000-05-08 Andreas Jaeger <aj@suse.de>
2774 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2777 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2779 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2782 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2784 * cpplex.c: Move new lexer definitions and prototypes
2785 to top. Conditional include these and the code if
2786 NEW_LEXER is defined. Rename functions whose names
2787 clash if this code included.
2789 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2791 * rtl.def (COND_EXEC): Clarify.
2793 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2794 same fashion as zero_extendsidi2.
2796 2000-05-06 Richard Henderson <rth@cygnus.com>
2798 * config/ia64/ia64.c (predicate_operator): New.
2799 (ia64_print_operand): Handle 'J'.
2800 (rtx_needs_barrier): Handle COND_EXEC.
2801 * config/ia64/ia64.h (BRANCH_COST): Define.
2802 (PREDICATE_CODES): Update.
2803 * config/ia64/ia64.md: Docuement used unspec values.
2804 (attr predicable): New.
2805 (movxf, movxf_internal): New.
2806 (extendsfdf2): Don't comment out nop.
2807 (floatdidf2): Remove.
2808 (truncxfsf2, truncxfdf2, floatdixf2): New.
2809 (abssi2, absdi2): Put the neg in the "true" slot.
2810 (conditional branch instructions): Mark not predicable.
2811 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2812 (abs*_internal): Likewise.
2813 (alloc, set_bsp): Mark not predicable.
2814 (barrier, insn_group_barrier, flush_cache): Likewise.
2815 (define_cond_exec): New.
2817 2000-05-06 Richard Henderson <rth@cygnus.com>
2819 * c-decl.c: Include "tm_p.h".
2821 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2822 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2823 (ia64_expand_op_and_fetch): Declare.
2824 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2825 (setjmp_operand): Constify variables for XSTR.
2826 (ia64_encode_section_info): Likewise.
2827 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2829 (ia64_asm_output_external): Constify name.
2830 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2831 (process_for_unwind_directive): Provide switch default.
2832 (ia64_expand_compare_and_swap): Remove unused variables.
2833 (ia64_expand_builtin): Likewise.
2834 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2837 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2838 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2839 (shift_count_operand, shift_32bit_count_operand): Likewise.
2840 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2841 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2842 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2843 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2844 (ia64_expand_builtin): Likewise.
2845 (call_multiple_values_operation): Make dest_regno unsigned.
2847 2000-05-06 Richard Henderson <rth@cygnus.com>
2849 * rtl.def (DEFINE_COND_EXEC): New.
2850 * md.texi: Document it.
2852 * gensupport.c (input_file): Remove.
2853 (struct queue_elem): Add lineno.
2854 (rtx_ready_queue): Remove.
2856 (predicable_default): New.
2857 (predicable_true, predicable_false): New.
2858 (define_attr_queue, define_attr_tail): New.
2859 (define_insn_queue, define_insn_tail): New.
2860 (define_cond_exec_queue, define_cond_exec_tail): New.
2861 (other_queue, other_tail): New.
2862 (queue_pattern): New.
2863 (process_rtx): Add patterns to the appropriate queues.
2864 (is_predicable, identify_predicable_attribute): New.
2865 (n_alternatives, collect_insn_data): New.
2866 (alter_predicate_for_insn, alter_test_for_insn): New.
2867 (shift_output_template, alter_output_for_insn): New.
2868 (process_one_cond_exec, process_define_cond_exec): New.
2869 (init_md_reader): Read the entire file. Process define_cond_exec.
2870 (read_md_rtx): Return elements from the queues.
2872 2000-05-06 Richard Henderson <rth@cygnus.com>
2874 * flow.c (mark_set_1): Don't update conditional life info
2875 if the register is not_dead.
2877 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2879 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2880 (mostlyclean): Also delete fixincl, fixinc.sh, and
2881 specs.ready, and make clean in the fixinc subdir.
2883 2000-05-06 Richard Henderson <rth@cygnus.com>
2885 * Makefile.in (gensupport.o): Compile for the host.
2886 (host-prefix gensuuprt.o): Remove.
2887 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2888 (genattrtab.o): Likewise.
2889 (gencodes.o): Depend on gensupport.h.
2890 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2891 (genpeep.o, genattr.o, genoutput.o): Likewise.
2893 * gensupport.c (obstack, rtl_obstack): New.
2894 (init_md_reader): Initialize rtl_obstack.
2895 * gensupport.h (rtl_obstack): Declare.
2896 (message_with_line): Declare.
2898 * genattr.c: Remove all traces of obstack manipulation.
2899 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2900 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2902 * genattrtab.c (obstack, rtl_obstack): Remove.
2903 (main): Don't init rtl_obstack.
2904 * genflags.c: Likewise.
2906 * genrecog.c (message_with_line): Move ...
2907 * gensupport.c: ... here.
2909 2000-05-06 Richard Henderson <rth@cygnus.com>
2911 * c-typeck.c (build_c_cast): Remove dead code.
2913 2000-05-06 Richard Henderson <rth@cygnus.com>
2915 * flow.c (split_edge): Don't allocate global_live_at_start for
2916 the new block unless the old blocks had them as well.
2918 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2920 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2921 test_bb if a or b uses x.
2923 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2925 * cpphash.h: Remove conditional #define of __extension__.
2926 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2927 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2928 (ENABLE_RTL_CHECKING only).
2929 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2930 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2931 (ENABLE_TREE_CHECKING only).
2932 * varray.h: Add __extension__ to VARRAY_CHECK macro
2933 (ENABLE_CHECKING only).
2935 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2937 Use new tail-calling mechanism on ARM.
2938 * arm.md (sibcall, sibcall_value): New expands.
2939 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2940 (tailcalling peepholes): Delete.
2941 (push_multi): Simplify.
2942 * arm.c (lr_save_eliminated): Delete definition.
2943 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2944 (output_return_instruction): Remove checks on lr_save_eliminated.
2945 (output_arm_prologue): Remove old tail-calling code.
2946 (arm_output_epilogue): New parameter, really_return. All callers
2947 changed. Handle tail-calling epilogues.
2948 * arm.h (lr_save_eliminated): Delete declaration.
2949 (frame_pointer_needed): Delete declaration.
2950 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2952 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2954 * arm.c (thumb_code): Define it.
2955 (arm_override_options): Set it.
2956 * arm.h (thumb_code): Declare it.
2958 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2960 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2962 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2964 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2965 bogus clobber to insns.
2966 (load_multiple_operation, store_mulitple_operation): Don't check
2968 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2970 * arm.md (and_scc, ior_scc): Add missing mode.
2972 * arm.md (call_value_symbol): Remove predicate from op2.
2974 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2976 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2978 * expr.c (get_subtarget): New function.
2979 (force_operand, expand_expr, do_store_flag): Use it.
2981 * toplev.c (compile_file): Don't take strlen of NAME if null.
2983 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2985 * xcoffout.c (xcoff_current_include_file,
2986 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2987 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2989 (xcoffout_declare_function): Make name 'const char *'.
2990 (xcoffout_end_epilogue): Make fname 'const char *'
2991 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2992 xcoffout_declare_function, xcoffout_source_line): Match above.
2994 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2996 * rs6000.c (print_operand): Fix lossage typo.
2997 (output_cbranch): Remove "cr" decoration for now.
2998 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
3000 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
3002 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
3005 2000-05-05 Bruce Korb <bkorb@gnu.org>
3007 * fixinc/genfixes: Improve the matching for make target names
3009 2000-05-05 Catherine Moore <clm@cygnus.com>
3011 * c-common.c (decl_attributes): For TYPE_DECLs attach the
3012 attribute to the decl.
3013 * c-decl.c (pushdecl): Propagate the USED attribute to the
3016 2000-05-05 Richard Henderson <rth@cygnus.com>
3018 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
3019 same way emit_group_load does.
3021 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
3023 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
3025 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3028 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3030 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3032 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3034 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3035 to support -shared, on platforms with dynamic libraries.
3037 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3039 * system.h (S_ISBLK): Provide fallback definition.
3041 2000-05-05 Geoff Berry <geoffb@bops.com>
3043 * extend.texi (Extended Asm): Document inability to give asm
3044 statements access to condition codes.
3046 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3048 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3049 as arg 2 of UNIQUE_SECTION.
3051 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3053 * predict.c: Remove May 4 change.
3054 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3055 if we have predicted the branch at 50-50 probability.
3057 2000-05-05 Richard Henderson <rth@cygnus.com>
3059 * flow.c (init_propagate_block_info): Fix merge error
3060 in HAVE_conditional_execution code.
3062 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3064 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3065 shift cycle for unknown shift count. Also generates dec + brpl.
3066 (ashlqi3_out): Don't generate dec + brpl which now generates by
3067 `out_shift_with_cnt'.
3068 (ashlhi3_out): Likewise.
3069 (ashlsi3_out): Likewise.
3070 (ashrqi3_out): Likewise.
3071 (ashrhi3_out): Likewise.
3072 (ashrsi3_out): Likewise.
3073 (lshrqi3_out): Likewise.
3074 (lshrhi3_out): Likewise.
3075 (lshrsi3_out): Likewise.
3077 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3079 * gcc.c (free_split_directories): Correct typo in explanation
3080 of make_relative_prefix.
3082 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3084 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
3085 comparison codes to branch_comparison_operator.
3087 2000-05-04 Richard Henderson <rth@cygnus.com>
3089 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
3091 2000-05-04 Richard Henderson <rth@cygnus.com>
3093 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3094 (DPBIT_FUNCS): Remove _sf_to_usi.
3095 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3097 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3098 between condition and jump.
3100 * libgcc2.c (near eh_context_specific): Comment #endif string.
3101 * longlong.h: Don't use strings with embedded newlines.
3103 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3105 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3106 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3107 (print_operand): Delete %t and %T codes.
3108 (output_cbranch): New function. Support branch prediction.
3109 * config/rs6000/rs6000.md: Use output_cbranch for
3110 conditional branches and returns.
3112 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3114 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3115 * stor-layout.c (place_field): Likewise.
3116 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3117 * expr.c (store_expr): Make align unsigned.
3118 * explow.c (plus_constant_wide): Make low words unsigned.
3119 * expmed.c (choose_multiplier): Likewise.
3120 * fold-const.c (fold): Likewise.
3121 * tree.h (build_int_2): Likewise.
3122 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3123 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3124 (init_emit): Change cast to unsigned char*.
3125 * varasm.c (compare_constant_1): Add cast to char*.
3126 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3127 * reload1.c (reload): Likewise.
3129 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3131 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3133 * predict.c (estimate_probability): If no prediction was found, then
3134 predict the successor that is the next physical block (if such a
3137 2000-05-04 Richard Henderson <rth@cygnus.com>
3139 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3141 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3143 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3145 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3147 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3148 attribute macros from here ...
3149 (CPP_SPEC): to here.
3150 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3151 (CPP_SPEC): Likewise.
3152 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3154 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3155 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3157 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3159 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3161 * diagnostic (vbuild_message_string, build_message_string,
3162 build_location_prefix, output_get_prefix, init_output_buffer,
3163 output_notice, vline_wrapper_message_with_location,
3164 v_message_with_decl, default_print_error_function): De-constify.
3165 (set_real_maximum_length): Prototype.
3167 * diagnostic.h (struct output_buffer, init_output_buffer,
3168 output_get_prefix, output_set_prefix): De-constify.
3170 * function.c (init_function_start): Constify.
3172 * gensupport.c (remove_constraints, process_rtx): Prototype.
3174 * gthr-posix.h: Indent uses of #pragma.
3176 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3179 * predict.c (find_expected_value): Delete prototype.
3180 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3182 * sbitmap.h (debug_sbitmap): Prototype.
3184 * ssa.c (compute_coalesced_reg_partition): Prototype.
3186 * stor-layout.c (debug_rli): Prototype.
3188 * tree.h (round_down): Prototype.
3189 (init_function_start): Constify.
3191 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3193 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3194 (overly conservative). Change extern inline wrappers to
3195 static inline, define them always, use PARAMS properly.
3196 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3197 whitespace warnings for \f and \v at the beginning of a line.
3199 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3201 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3204 2000-05-04 Bruce Korb <bkorb@gnu.org>
3206 * fixincl/inclhack.def: added broken_cabs -
3207 Remove `extern double cabs' declarations from math.h
3208 * fixincl/inclhack.sh: regen
3209 * fixincl/fixincl.x: regen
3210 * fixincl/fixincl.c: Remove BOGOSITY code
3211 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3213 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3215 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3217 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3218 when calling MEM_COPY_ATTRIBUTES.
3219 * emit-rtl.c (operand_subword, change_address): Likewise.
3220 * explow.c (stabilize): Likewise.
3221 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3222 * integrate.c (copy_rtx_and_substitute): Likewise.
3223 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3224 when calling MEM_COPY_ATTRIBUTES.
3225 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3227 * cse.c (gen_lowpart_if_possible): Likewise.
3228 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3229 * optabs.c (gen_move_insn): Likewise.
3230 * recog.c (validate_replace_rtx_1): Likewise.
3231 * simplify-rtx.c (add_mem_for_addr): Likewise.
3232 * stmt.c (expand_anon_union_decl): Likewise.
3233 * config/arm/arm.md: Likewise.
3234 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3235 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3236 (block_move_no_loop, block_move_sequence): Likewise.
3237 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3238 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3239 Clear MEM_ALIAS_SET.
3240 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3241 MEM_COPY_ATTRIBUTES.
3243 2000-05-03 Robert Lipe <robertlipe@usa.net>
3245 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3246 to suppress libgcc1.
3247 (i[34567]86-*-sco3.2v5*) Likewise.
3248 (i[34567]86-*-sco3.2v4*) Likewise.
3249 (i[34567]86-*-sco) Likewise.
3250 (i[34567]86-*-solaris2) Likewise.
3251 (i[34567]86-*-sysv5*) Likewise.
3252 (i[34567]86-*-sysv4*) Likewise.
3253 (i[34567]86-*-udk*) Likewise.
3254 (i[34567]86-*-sysv*) Likewise.
3256 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3258 * cpphash.h (U): New define, to correct type of string constants.
3259 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3260 routines, to do casts when passing unsigned strings to libc.
3261 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3263 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3264 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3265 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3266 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3267 second argument an U_CHAR *.
3269 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3270 length field, clean up initializer.
3271 (ISTABLE): Add __extension__ to designated-
3272 initializers version.
3273 * cpplex.c (CHARTAB): Likewise.
3275 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3276 case so the file won't be empty.
3278 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3280 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3281 (REORDER_BLOCK_SUCC): Removed.
3282 (enum reorder_skip_type): Removed.
3283 (skip_insns_between_block): Renamed to skip_insns_after_block.
3284 Removed second argument. Removed dead code and cleaned up.
3285 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3286 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3287 second parameter to skip_insns_after_block.
3289 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3291 * tree.c (staticp, case LABEL_DECL): New case.
3293 2000-05-03 Richard Henderson <rth@cygnus.com>
3295 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3297 * mklibgcc1.in: Fix typo last change.
3299 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3301 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3302 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3303 (GCC_CFLAGS): Use it.
3304 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3305 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3306 objc/Make-lang.in: Use it.
3308 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3310 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3312 2000-05-03 Richard Henderson <rth@cygnus.com>
3314 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3315 LIBGCC1 empty with libgcc1.null.
3317 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3319 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3322 2000-05-03 Greg McGary <gkm@gnu.org>
3324 * tree.h (tree_common): Add bounded_flag member. Remove
3325 inaccurate comment about number of remaining bits.
3326 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3327 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3328 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3329 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3330 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3331 (TYPE_QUAL_BOUNDED): New constant.
3332 (TYPE_QUALS): Handle bounded qualifier.
3333 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3334 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3335 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3336 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3337 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3338 (tree_type): Add pointer_depth member. Remove
3339 inaccurate comment about number of remaining bits.
3340 (DECL_POINTER_DEPTH): Add macro.
3341 (tree_decl): Add pointer_depth member.
3343 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3345 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3346 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3347 (lshrhi3_out): Likewise.
3348 (ashrsi3_out): bugfix in shift by 8.
3349 (test_hard_reg_class): New function.
3350 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3351 (ashlhi3): removed define_expand of this pattern.
3352 (*ashlhi3_insn): renamed to ashlhi3.
3353 (ashlsi3): removed define_expand of this pattern.
3354 (*ashlsi3_insn): renamed to ashlsi3.
3355 (ashrqi3): removed define_expand of this pattern.
3356 (*ashrqi3_insn): renamed to ashrqi3.
3357 (ashrhi3): removed define_expand of this pattern.
3358 (*ashrhi3_insn): renamed to ashrhi3.
3359 (ashrsi3): removed define_expand of this pattern.
3360 (*ashrsi3_insn): renamed to ashrsi3.
3361 (lshrhi3): removed define_expand of this pattern.
3362 (*lshrhi3_insn): renamed to lshrhi3.
3363 (lshrsi3): removed define_expand of this pattern.
3364 (*lshrsi3_insn): renamed to lshrsi3.
3366 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3368 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3369 inclusion of "system.h".
3371 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3373 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3376 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3378 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3379 if -mauto-pic is on.
3380 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3381 -mconstant-gp is in effect and function-descriptors are being used
3382 to make indirect calls.
3383 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3384 (MASK_AUTO_PIC): Ditto.
3385 (TARGET_CONST_GP): Ditto.
3386 (TARGET_AUTO_PIC): Ditto.
3387 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3388 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3389 -mno-pic is in effect.
3390 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3391 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3392 -mauto-pic is in effect.
3393 (gprel64_offset): New pattern.
3394 (load_gprel64): Ditto.
3395 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3396 -mconstant-gp is in effect, no need to preserve gp around direct
3398 (call_value): Ditto.
3399 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3400 (FUNCTION_PROFILER): Define.
3401 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3402 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3403 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3405 2000-05-03 Richard Henderson <rth@cygnus.com>
3407 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3408 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3409 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3410 (mklibgcc, libgcc.mk): New targets.
3411 (libgcc.a): Use libgcc.mk.
3412 (stmp-multilib): Likewise.
3413 (stmp-multilib-sub): Remove.
3414 (mostlyclean): Don't delete libgcc2 temp files.
3415 * configure.in (AC_PROG_CC_C_O): Add.
3416 (NO_MINUS_C_MINUS_O): Substitute it.
3417 (all_outputs): Add mklibgcc.
3418 * mklibgcc.in: New file.
3420 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3422 * cppexp.c (op_t): Make an int.
3424 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3426 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3428 * gensupport.c (process_rtx): Fix macros used.
3430 2000-05-03 Richard Henderson <rth@cygnus.com>
3432 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3433 call-clobbered registers of a call.
3435 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3437 * gensupport.c: New file.
3438 * gensupport.h: New file.
3439 * Makefile.in (HOST_RTL): Depend on gensupport.
3440 (gensupport.o) New rule.
3441 * genattr.c: Use gensupport for reading .md files.
3442 * genattrtab.c: Ditto.
3443 * gencodes.c: Ditto.
3444 * genconfig.c: Ditto.
3446 * genextract.c: Ditto.
3447 * genflags.c: Ditto.
3448 * genopinit.c: Ditto.
3449 * genoutput.c: Ditto.
3451 * genrecog.c: Ditto.
3452 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3453 * md.texi (Insn Splitting): Document define_insn_and_split.
3455 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3457 * flow.c (verify_flow_info): Added two more sanity checks. The
3458 first checks that the blocks are numbered consecutively. The second
3459 checks that n_basic_blocks is actually equal to the number of
3460 basic blocks in the insn chain.
3462 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3464 * cpplib.h: Add accessor macros for token lists.
3465 * cpplib.c, cpphash.c, cpplex.c: Use them.
3467 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3469 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3470 memory usage if not in a function.
3471 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3472 return address if static.
3474 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3476 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3477 whether address may trap.
3479 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3481 * bb-reorder (chain_reorder_blocks): Changed code to test for
3482 EDGE_FALLTHRU rather than making erroneous assumption that the
3483 first outgoing edge is the fall-through edge.
3485 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3487 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3488 ABI for varargs, across all MIPS. This is incompatible because the
3489 va_list (__builtin_va_list) structure is different, so a compilation
3490 unit passing a va_list and a compilation unit being passed one, should
3491 both be compiled with the same ABI. (The old structure had two
3492 pointers, now it has three.)
3494 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3496 * bb-reorder.c (struct reorder_block_def): Remove members end,
3497 block_begin, and block_end.
3498 (REORDER_BLOCK_OLD_END): Delete.
3499 (REORDER_BLOCK_BEGIN): Delete.
3500 (REORDER_BLOCK_END): Delete.
3501 (chain_reorder_blocks): Remove dead code.
3503 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3505 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3506 notes as the end of a basic block before deleting.
3508 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3510 * final.c (final_start_function): Fix spelling of "necessary".
3512 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3514 * toplev.c (debug_ignore_block): Return int.
3515 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3516 * toplev.h, dwarf2out.h: Adjust.
3517 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3519 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3520 * toplev.c, final.c, rtl.h: Adjust.
3522 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3524 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3525 * configure.in: Look for makeinfo in the unified tree, then
3526 for a system makeinfo which is sufficiently new.
3527 * Makefile.in: If configure says makeinfo is too old, don't
3528 build or install Info documentation.
3530 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3532 * cpphash.c (collect_params): Fix off-by-one error.
3533 (dump_hash_helper): Dump all four macro nodetypes.
3535 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3537 * cpphash.c (trad_stringify): Adjust p after stringification as
3540 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3542 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3543 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3545 * cppfiles.c (file_cleanup): Delete.
3546 * cpphash.c (macro_cleanup): Delete.
3547 (collect_objlike_expansion, collect_funlike_expansion,
3548 macarg, scan_arguments): Remove CPP_POP case.
3550 * cpplex.c (null_cleanup): Delete.
3551 (cpp_pop_buffer): Do the work that was done in the cleanups
3552 here. Call _cpp_unwind_if_stack from here.
3553 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3554 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3555 stack is the buffer _below_ the one we stacked.
3556 (cpp_get_token): Always pop an exhausted buffer. Return
3557 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3558 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3559 increment the line number.
3560 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3562 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3563 we see CPP_EOF and the top of stack is the buffer _below_ the
3565 * scan-decls.c: Likewise.
3567 2000-05-02 Andrew Haley <aph@cygnus.com>
3569 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3570 where this function is called for the second time on a decl that
3571 has had its section info changed in such a way as to move it out
3573 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3575 2000-05-01 Richard Henderson <rth@cygnus.com>
3577 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3578 the sequence we're moving, not to merge_bb->head.
3580 2000-05-01 Richard Henderson <rth@cygnus.com>
3582 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3583 reference to alpha/t-linux.
3584 (alpha*-*-linux-gnu*): Likewise.
3585 * configure: Rebuild.
3587 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3589 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3592 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3594 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3596 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3599 2000-05-01 Richard Henderson <rth@cygnus.com>
3601 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3602 emit_conditional_move.
3604 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3606 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3607 as the dynamic linker.
3609 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3611 * cppfiles.c (open_include_file): Open file in blocking mode.
3612 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3613 Only exclude block devices and directories.
3615 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3616 static. Allocate the hashnode and its string in the same
3618 (del_HASHNODE): Don't free h->name.
3619 (_cpp_lookup): If there is no entry for this string, create
3620 one, of type T_VOID.
3621 (_cpp_lookup_slot): Delete.
3622 * cpphash.h: Update prototypes.
3624 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3626 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3627 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3628 node here, just fill in the value field properly. "Delete"
3629 entries by setting the value field to T_VOID. Check for
3630 hp->type == T_VOID, not hp == NULL.
3632 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3633 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3636 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3638 * config/mn10300/mn10300.c (print_operand_address): Do not add
3641 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3642 adjusted by less than 256 bytes, use ret regardless of having any
3643 callee-saved register to restore.
3645 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3647 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3649 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3651 * config/i386/djgpp.h (INT_ASM_OP): Define.
3652 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3653 (ASM_WEAKEN_LABEL): Define.
3654 (MASK_BNU210): Define.
3655 (SUBTARGET_SWITCHES): Define.
3656 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3657 (MAKE_DECL_ONE_ONLY): Define.
3658 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3660 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3662 * i386/cygwin.h (INT_ASM_OP): Define.
3664 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3666 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3667 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3669 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3671 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3672 __tmp_reg__ and __zero_reg__ initialization.
3674 2000-04-30 Richard Henderson <rth@cygnus.com>
3676 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3678 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3679 referenced bewteen the condition and the jump. Don't delete
3680 anything but the jump.
3682 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3684 * bb-reorder.c (scope_def): New struct.
3685 (scope_forest_info): New struct.
3686 (struct reorder_block_def): New member "scope".
3687 (REORDER_BLOCK_SCOPE): New macro.
3688 (relate_bbs_with_scopes): New function and prototype.
3689 (make_new_scope): Likewise.
3690 (build_scope_forest): Likewise.
3691 (remove_scope_notes): Likewise.
3692 (insert_intra_1): Likewise.
3693 (insert_intra_bb_scope_notes): Likewise.
3694 (insert_inter_bb_scope_notes): Likewise.
3695 (rebuild_scope_notes): Likewise.
3696 (free_scope_forest_1): Likewise.
3697 (free_scope_forest): Likewise.
3698 (dump_scope_forest): Likewise.
3699 (dump_scope_forest_1): Likewise.
3700 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3701 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3703 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3704 and remove_scope_notes before reordering is done. Added calls to
3705 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3706 after reordering is done.
3708 2000-40-30 Bruce Korb <bkorb@gnu.org>
3710 * fixinc/inclhack.def: Added definitions needed by OSR5,
3711 removed two stale entries (defined away with OLD_CPP).
3712 * fixinc/inclhack.sh: regen
3713 * fixinc/fixincl.x: regen
3715 2000-04-30 Richard Henderson <rth@cygnus.com>
3717 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3718 from the last insn in the sequence.
3720 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3722 * cpplex.c (cpp_idcmp): New function.
3723 * cpplib.h: Prototype it.
3724 * scan_decls.c (scan_decls): Use it to inspect token names.
3725 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3726 the file being run through the preprocessor.
3727 (check_macro_names): Provide length of token to cpp_defined.
3729 * Makefile.in: Remove stale warning message.
3731 * cppfiles.c (redundant_include_p): Provide length of token to
3733 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3734 values are unsigned int.
3735 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3736 (_cpp_lookup_slot): Do not calculate the hash, either.
3737 * cpphash.h: Update prototypes.
3738 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3739 Hashes are unsigned int. Calculate hash here, pass by value
3740 to _cpp_lookup_slot.
3742 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3744 * simplify-rtx.c (check_value_useless): Delete function.
3745 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3747 (cselib_invalidate_regno): Likewise.
3748 (cselib_invalidate_mem_1): Likewise.
3749 (references_value_p): Recognize useless values by the fact that they
3751 (discard_useless_values): Likewise.
3752 (cselib_record_set): This may turn a useless value
3755 2000-04-30 Richard Henderson <rth@cygnus.com>
3757 * config/d30v: New port.
3759 * configure.in (d30v-*): Set fp format.
3760 * configure: Rebuild.
3762 2000-04-30 Richard Henderson <rth@cygnus.com>
3764 * ifcvt.c: New file.
3765 * Makefile.in (OBJS): Add it.
3766 (ifcvt.o): New target.
3767 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3768 and conditional arithmetic.
3769 (find_insert_position): Remove.
3770 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3771 * toplev.c (DFI_ce, DFI_ce2): New.
3772 (dump_file): Add ce and ce2 dumps.
3773 (rest_of_compilation): Run if_convert a couple o times. Set
3774 cse_not_expected after cse2. Don't set no_new_pseudos until
3775 after sched1 or recompute_reg_usage.
3777 2000-04-30 Richard Henderson <rth@cygnus.com>
3779 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3780 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3782 2000-04-30 Richard Henderson <rth@cygnus.com>
3784 * flow.c (struct reg_cond_life_info): New.
3785 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3786 (init_propagate_block_info): Initialize them.
3787 (free_propagate_block_info): Destruct them.
3788 (mark_set_1): Consider conditional life before killing a register.
3789 (mark_regno_cond_dead): New.
3790 (free_reg_cond_life_info): New.
3791 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3792 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3793 (mark_used_reg): Record conditional life.
3795 * haifa-sched.c (schedule_insns): Disable death counting
3796 sanity check for HAVE_conditional_execution.
3798 2000-04-30 Richard Henderson <rth@cygnus.com>
3800 * Makefile.in (TIMEVAR_H): New.
3801 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3802 (timevar.h): Remove rule.
3804 2000-04-29 Richard Henderson <rth@cygnus.com>
3806 * config/alpha/crtend.asm: Use C comments instead of #.
3807 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3809 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3811 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3813 * cpphash.h (enum node_type: Take out T_MCONST.
3814 (union hashval): Move into struct hashnode.
3815 (struct hashnode): Pack tighter. Remove file, line, col
3817 * cpphash.c: Constify most of the macro-definition structures.
3818 (struct definition): Replace by struct object_defn
3819 and struct funct_defn. Put file, line, column information
3820 here. All users updated to match.
3821 (_cpp_create_definition, _cpp_macroexpand): Remove special
3822 case for #define WORD OTHERWORD.
3823 * cpplib.c (do_undef): Remove T_MCONST case.
3825 * cpphash.h: Move struct reflist, struct definition, and the
3826 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3827 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3828 * cpphash.c (_cpp_free_definition): Free data pointed to by
3829 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3830 (_cpp_create_definition, del_HASHNODE): Just call
3831 _cpp_free_definition to clear out a hashnode.
3832 * cpplib.c (do_pragma_poison): Likewise.
3834 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3836 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3837 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3838 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3839 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3840 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3841 REGNO_AM33_P): Redefine in terms of the new macros.
3842 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3843 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3844 STRUCT_VALUE): Likewise.
3845 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3846 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3848 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3850 * regmove.c (struct record_stack_memrefs_data): New.
3851 (record_stack_memrefs): New function.
3852 (combine_stack_adjustments_for_block): Use it.
3854 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3856 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3857 use special_function_p to detect alloca.
3859 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3861 * gcc.texi: Fixes for makeinfo 4.0 --html.
3863 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3865 * pcp.h: Delete file.
3867 2000-04-28 Kazu Hirata <kazu@hxi.com>
3869 * h8300.c (function_epilogue): Clean up flags when the last insn
3870 in a function is a barrier.
3872 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3874 * configure.in (sparc-hal-solaris2*): protect [] glob from
3876 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3877 rather than hard-coded constants in target_cpu_default2.
3878 * configure: Regenerate.
3880 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3882 * tree.c (get_callee_fndecl): Extract the initial value from
3885 2000-04-28 Richard Henderson <rth@cygnus.com>
3887 * varasm.c (record_constant_1): Record the CODE_LABEL when
3888 taking the address of a LABEL_REF.
3890 2000-04-28 Richard Henderson <rth@cygnus.com>
3891 Jan Hubicka <jh@suse.cz>
3893 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3894 adjustment; don't do the stack adjust.
3895 (expand_call): Call compute_argument_block_size right before
3896 allocating the block; update comment; don't do alignment sanity
3897 checking for sibling call; use args_size instead of
3898 unadjusted_args_size before args_size is adjusted. Use
3899 combine_pending_stack_adjustment_and_call to compute stack adjust
3900 for must_preallocate case.
3902 * expr.c (push_block): Remove shadow `temp' in inner scope.
3904 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3906 * toplev.c (rest_of_compilation): Call
3907 note_deferral_of_defined_inline_function even if the function
3910 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3912 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3914 2000-04-28 Richard Henderson <rth@cygnus.com>
3916 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3918 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3920 * timevar.c (init_timevar): DeANSIfy function definition.
3922 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3924 * Makefile.in (timevar.o): Depend on flags.h.
3925 * timevar.c (unused_stack_instances): New variable.
3926 (timevar_push): Take a timevar_stack_def from
3927 unused_stack_instances if available.
3928 (timevar_pop): Push the popped timevar_stack_def onto
3929 unused_stack_instances.
3930 (TIMEVAR_ENABLE): New macro.
3931 (timevar_def): Make standalone a 1-bit field. Add field used.
3932 (get_time): Rename parameter to now. Return after clearing it if
3934 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3935 (timevar_pop): Likewise.
3936 (timevar_stop): Likewise.
3937 (timevar_push): Likewise. Mark the timing variable as used.
3938 (timevar_start): Likewise.
3939 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3940 timevars that were never used.
3942 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3944 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3945 always TREE_READONLY.
3947 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3949 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3950 for call instruction with mode QImode.
3952 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3954 * Makefile.in (OBJS): Add timevar.o.
3955 (toplev.o): Depend on timevar.h.
3956 (ggc-simple.o): Likewise.
3957 (ggc-page.o): Likewise.
3958 (timevar.o): New rule.
3959 (timevar.h): New rule.
3961 * timevar.h: New file.
3962 * timevar.c: Likewise.
3963 * timevar.def: Likewise.
3965 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3966 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3968 (TIMEVAR): Remove macro.
3969 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3970 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3971 flow_time, combine_time, regmove_time, sched_time,
3972 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3973 sched2_time, dbr_sched_time, reorder_blocks_time,
3974 rename_registers_time, shorten_branch_time, stack_reg_time,
3975 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3977 (compile_file): Don't initialize time variables. Call
3978 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3979 of many calls to print_time.
3980 (rest_of_compilation): Add timing for reload_cse_regs.
3981 (get_run_time): Removed to timevar.c.
3982 (print_time): Likewise.
3983 (get_run_time): Implement using TV_TOTAL time variable.
3984 (print_time): Get total run time from get_run_time.
3985 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3986 computing elapsed time explicitly.
3987 * ggc-simple.c (ggc_collect): Likewise.
3988 (gc_time): Remove declaration.
3990 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3992 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3993 (expand_call): Use it.
3995 2000-04-27 Jan Hubicka <jh@suse.cz>
3997 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
4000 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4002 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
4005 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
4007 * function.c (epilogue_done): Pass whole insn to record_insns.
4009 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
4011 * cse.c (CSE_ADDRESS_COST): Remove.
4012 (find_best_addr): Add new parameter "MODE", use address_cost instead
4014 (address_cost): New.
4015 (fold_rtx): Update call of find_best_addr.
4016 * rtl.h (address_cost): Declare.
4017 * loop.c (general_induction_var): Add new parameter "MODE", use
4018 address_cost instead of ADDRESS_COST
4019 (init_loop): Use address_cost instead of ADDRESS_COST.
4020 (check_insn_for_givs): Update call of general_induction_var.
4021 (find_mem_givs): Likewise.
4022 (consec_sets_giv): Likewise.
4023 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
4024 * i386.c (ix86_address_cost): New.
4025 * i386-protos.h (ix86_address_cost): Declare.
4027 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4029 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4032 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4034 * expr.c (store_expr): Use clear_storage instead of direct memset
4037 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4039 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4040 ASHIFT, AND and LABEL_REF.
4042 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4044 * invoke.texi (-foptimize-sibling-calls): Fix.
4046 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4048 * loop.c (load_mems) Don't use hard registers for the hoisting.
4050 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4051 calculation; rename const_equiv array in the preconditioning code
4052 from loop_unroll to loop_unroll_precondition
4054 2000-04-27 Richard Henderson <rth@cygnus.com>
4056 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4058 (propagate_one_insn): Clear it. Don't update reg_live here.
4059 (init_propagate_block_info): Update for pbi member changes.
4060 (free_propagate_block_info): Likewise.
4061 (mark_set_1): Know that zero_extract, sign_extract, and
4062 strict_low_part don't kill their argument. Alter hard subregs.
4063 Update new_set for non-CLOBBER sets. Update reg_live.
4064 (find_auto_inc): Update reg_live, not new_dead.
4065 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4066 to determine if the reg in question was set this insn. Only update
4067 reg info with PROP_REG_INFO.
4069 2000-04-26 Richard Henderson <rth@cygnus.com>
4071 * flow.c (allocate_reg_life_data): Set max_regno here ...
4072 (life_analysis): ... not here.
4074 * flow.c (calculate_global_regs_live): Force stack pointer
4077 2000-04-26 Richard Henderson <rth@cygnus.com>
4079 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
4080 commit change group changes.
4081 (invert_exp_1): Similarly.
4082 (redirect_exp, invert_exp): Use them.
4083 (redirect_jump_1): New.
4084 (invert_jump_1): New.
4085 (jump_optimize_1): Remove code subsumed by condexec.c.
4086 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
4088 2000-04-26 Richard Henderson <rth@cygnus.com>
4090 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
4092 * genconfig.c (main): Set all HAVE_foo to 1.
4094 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4096 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4098 * invoke.texi: Document -fssa flag.
4100 2000-04-26 Richard Henderson <rth@cygnus.com>
4102 * flow.c (count_reg_sets_1): Remove.
4103 (count_reg_sets, count_reg_references): Remove.
4104 (recompute_reg_usage): Implement with update_life_info.
4105 Reallocate life data.
4107 2000-04-26 Richard Henderson <rth@cygnus.com>
4109 * flow.c (update_life_info): Consider blocks null to mean the
4111 (calculate_global_regs_live): Likewise.
4112 (life_analysis): Do that instead of collecting all_blocks.
4114 2000-04-26 Richard Henderson <rth@cygnus.com>
4116 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4117 a still-valid conditional jump.
4119 2000-04-26 Richard Henderson <rth@cygnus.com>
4121 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4123 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4124 * flow.c (calculate_loop_depth): Remove.
4125 * output.h (calculate_loop_depth): Don't declare.
4126 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4127 inline; run estimate_probability at the same time.
4129 2000-04-26 Neil Booth <NeilB@earthling.net>
4131 * cpplib.h: "~=" is not a single pp-token.
4132 * cpplex.c: Correct commentary.
4134 2000-04-26 Richard Henderson <rth@cygnus.com>
4136 * flow.c (mark_set_1): New arguments code and flags; update all
4137 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4138 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4139 loop_depth when optimizing for size. Do new_dead update after
4140 emitting REG_UNUSED notes. Merge mark_set_reg code.
4141 (mark_set_reg): Remove.
4142 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4143 arrange to not emit REG_UNUSED notes.
4145 2000-04-26 Richard Henderson <rth@cygnus.com>
4147 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4148 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4150 2000-04-26 Richard Henderson <rth@cygnus.com>
4152 * flow.c (propagate_one_insn): Break out from propagate_block.
4153 (init_propagate_block_info): Likewise.
4154 (free_propagate_block_info): Likewise.
4155 (propagate_block): Use them. Export.
4156 * basic-block.h: Declare them all.
4158 2000-04-26 Richard Henderson <rth@cygnus.com>
4160 * basic-block.h (life_analysis): Declare here ...
4161 * output.h: ... not here.
4162 * flow.c (life_analysis): Remove nregs parameter; replace
4163 remove_dead_code with flags. Remove ssa dead code check.
4164 Only init alias analysis if we'll use it.
4165 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4166 * ssa.c (convert_to_ssa): Likewise.
4167 (convert_from_ssa): Likewise.
4168 * toplev.c (rest_of_compilation): Likewise.
4170 2000-04-26 Richard Henderson <rth@cygnus.com>
4172 * flow.c (flow_delete_block): Rename from delete_block. Export.
4173 * basic-block.h (flow_delete_block): Declare.
4175 2000-04-26 David S. Miller <davem@redhat.com>
4177 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4178 taking a PATTERN of it.
4180 2000-04-26 <NeilB@earthling.net>
4182 * cpplex.c (spell_other, spell_char): Remove.
4184 (token_spelling, trigraph_map): Use unsigned chars.
4185 (_cpp_lex_line): Tidy up the switch statement.
4186 * cpplib.h: Implement spell_char with spell_string.
4189 2000-04-26 <RodneyBrown@pmsc.com>
4191 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4192 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4194 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4196 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4197 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4198 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4199 dwarf2out_return_save, dwarf2out_return_reg,
4200 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4201 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4202 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4204 * dwarf2out.h (dwarf2out_init): Likewise.
4206 * dwarfout.c (filename_entry, primary_filename, last_filename,
4207 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4209 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4210 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4211 dwarf2out_return_reg): Likewise.
4213 2000-04-26 Andreas Jaeger <aj@suse.de>
4215 * extend.texi (Function Attributes): Fix description of pure
4218 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4220 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4221 before calling rest_of_compilation.
4223 2000-04-26 Andreas Jaeger <aj@suse.de>
4225 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4228 2000-04-25 Richard Henderson <rth@cygnus.com>
4230 * cse.c (cse_insn): Emit barrier after unconditional jump.
4232 * calls.c (expand_call): Disable tail call generation once
4233 rtx_equal_function_value_matters is false.
4235 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4238 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4240 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4242 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4244 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4245 is the primary DIE for a member function.
4246 (gen_decl_die): Call set_decl_origin_self here.
4247 * dwarfout.c (output_decl): And here.
4248 * integrate.c (output_inline_function): Not here.
4249 Don't clear DECL_INLINE until after calling rest_of_compilation.
4250 (set_decl_origin_self): No longer static.
4251 * tree.h: Add prototype.
4252 * toplev.c (note_deferral_of_defined_inline_function): Only write
4253 out abstract instance for actual inlines.
4255 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4257 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4258 EXTENDED_REGS only if TARGET_AM33.
4259 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4260 SP_REGS to register allocation and reloading unless absolutely
4262 (movsi3): Remove special-case of adding non-constants to SP.
4264 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4266 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4267 INCLUDES to search and does not provide any of its own. Also it
4268 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4269 parameters. Also it does not call AC_DEFINE.
4270 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4271 AC_DEFINE and provides for automatic entries for autoheader.
4272 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4274 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4275 so we can pass -I flags and include gansidecl.h/system.h in this
4278 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4280 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4282 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4283 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4284 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4286 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4287 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4288 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4289 for these macros. Clean up spacing and linewraps.
4291 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4293 * calls.c (expand_call): Use get_callee_fndecl.
4295 * print-tree.c (print_node): Print the chain of an _EXPR.
4297 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4298 Jim Wilson <wilson@cygnus.com>
4299 Andrew Haley <aph@cygnus.com>
4301 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4302 and gp save/restore problems.
4303 * config/ia64/crtend.asm: Add IA-64 unwind support.
4304 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4305 in fr_pad_size calculation.
4306 (save_restore_insns): Move PR save area. Correct uses of
4307 RTX_FRAME_RELATED_P.
4308 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4309 (ia64_expand_epilogue): Add eh_epilogue support.
4310 (ia64_function_prologue): Emit .prologue directive.
4311 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4312 (ia64_override_options): Set init_machine_status and
4313 mark_machine_status.
4314 (rtx_needs_barrier): Handle bsp reads and writes.
4315 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4316 New static variables.
4317 (process_set, process_for_unwind_directive): New functions.
4318 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4319 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4320 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4322 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4323 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4324 (struct machine_function): Define.
4325 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4327 2000-04-25 Bruce Korb <bkorb@gnu.org>
4329 * fixinc/Makefile.in: make the removal of old programs more
4331 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4332 install-bin and install-sh
4334 2000-04-25 Nick Clifton <nickc@cygnus.com>
4336 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4337 defined, define to return zero.
4338 (function_cannot_inline_p): If a function has any target
4339 specific attributes, then use the macro
4340 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4341 whether it can be inlined. If it cannot, issue a suitable
4344 * tm.texi: Add a new node 'Inlining' to document the new macro
4345 FUNCTION_ATTRIBUTE_INLINABLE_P.
4347 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4349 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4352 2000-04-25 Neil Booth <NeilB@earthling.net>
4354 Restore previous patch, plus the following fixes:
4356 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4357 flags, not CPP_OPEN_PAREN.
4358 * cpplex.c (expand_token_space, init_token_list,
4359 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4360 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4362 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4364 * config/i386/freebsd.h (INT_ASM_OP): Define.
4366 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4368 * loop.c (strength_reduce): Fix typo in the last checkin.
4370 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4372 * stor-layout.c (finalize_record_size): Simplify to use existing
4374 (compute_record_mode): No longer static.
4375 * tree.h (compute_record_mode): New declaration.
4377 2000-04-25 Neil Booth <NeilB@earthling.net>
4379 * Revert my patch below until cause of build failures
4382 2000-04-25 Richard Henderson <rth@cygnus.com>
4384 * combine.c (combine_instructions): Add missing argument
4387 * toplev.c (rest_of_compilation): Delay sibcall optimization
4388 until after emit_eh_context.
4390 2000-04-24 Nick Clifton <nickc@redhat.com>
4392 * combine.c (combine_instructions): Do not try to combine a
4393 sequence of insns when the second insn has been replaced by a
4396 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4398 * gcc.c (load_specs): New static function.
4399 (read_specs): Use it.
4401 * gcc.c (lookup_compiler): Make multiple passes for case
4402 insensitive filesystems.
4404 2000-04-24 Neil Booth <NeilB@earthling.net>
4406 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4407 * cpphash.h (_cpp_check_directive): new.
4408 * cpplex.c (handle_newline, cpp_free_token_list,
4409 init_trigraph_map, trigraph_ok, trigraph_replace,
4410 backslash_start, skip_block_comment, skip_line_comment,
4411 skip_whitespace, parse_name, parse_number, parse_string,
4412 copy_comment, _cpp_lex_line, spell_char, spell_string,
4413 spell_comment, spell_name, spell_other, _cpp_lex_file,
4414 _cpp_output_list): new.
4415 (expand_name_space): take length argument.
4416 (init_token_list): add comment list initialisation.
4417 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4418 instead of HSPACE_BEFORE.
4420 * cpplib.c (_cpp_check_directive): new
4421 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4422 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4423 (HSPACE_BEFORE): delete.
4424 (TTYPE_TABLE): rearrange.
4425 (struct cpp_toklist): update.
4427 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4429 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4430 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4431 argument form of AC_DEFINE.
4433 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4434 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4435 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4436 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4437 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4439 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4441 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4443 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4444 deduced.h): Use -isystem, not -I, for including system headers.
4446 2000-04-24 Nick Clifton <nickc@cygnus.com>
4448 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4449 the source register is the frame pointer or arg pointer.
4450 (addsi3_small_int): Disallow if source register is the frame
4451 pointer or arg pointer.
4453 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4455 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4456 call to AC_MSG_RESULT.
4458 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4460 * invoke.texi: Correct grammatical errors, document
4461 -fno-gnu-keywords as identical to -fno-asm for C++.
4463 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4465 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4466 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4467 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4468 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4469 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4471 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4472 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4473 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4474 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4477 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4479 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4480 (pop_alignment): Likewise.
4481 (handle_pragma_token): Likewise.
4483 2000-04-24 Robert Lipe <robertlipe@usa.net>
4485 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4487 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4489 * combine.c (try_combine): Update reg_nonzero_bits of
4490 newi2pat before newpat.
4492 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4494 * loop.c (strength_reduce): Simplify test to INSN_P.
4495 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4496 expressions instead of CONST_INT.
4497 (express_from_1): Likewise.
4499 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4501 * regs.h (reg_n_max): Don't declare.
4502 * flow.c (reg_n_max): Don't define.
4503 * regclass.c (renumber): Don't initialize to zero.
4504 (regno_allocated): Likewise.
4505 (reg_n_max): Define.
4506 (allocate_reg_info): Don't initialize unnecessarily.
4508 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4510 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4511 and blockage_p in the newly allocated attribute.
4513 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4515 * config/mn10300/mn10300.md (addsi): `inc4' on address
4516 registers does not modify cc, but `inc' on an extended
4519 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4521 * reload.c (find_equiv_reg): Checks all valueno regs
4522 as a reload_reg_p regs.
4524 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4526 * cpphash.c (collect_objlike_expansion): Add sanity check.
4527 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4528 the buffer is the empty string, return. Mark __DATE__ and
4529 __TIME__ as XCONST nodes, not MCONST.
4530 (_cpp_macroexpand): Avoid pushing an empty buffer.
4531 (funlike_macroexpand): Don't pop token_buffer here.
4533 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4535 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4536 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4537 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4538 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4539 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4540 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4541 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4543 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4545 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4548 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4550 * cpphash.h (struct definition): Move file, line, col members...
4551 (struct hashnode): ... here. Also add 'disabled' flag.
4552 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4553 T_IDENTITY. Remove T_DISABLED.
4556 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4557 (collect_expansion): Split into collect_objlike_expansion and
4558 collect_funlike_expansion.
4559 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4560 funlike_macroexpand.
4561 (_cpp_compare_defs): Rename compare_defs, make static.
4562 (_cpp_make_hashnode): Initialize hp->disabled.
4563 (macro_cleanup): Adjust for new token types. Clear
4565 (_cpp_create_definition): Move code here to determine what
4566 sort of macro it is, and code to check for redefinitions, from
4567 do_define. Implement a few simple cases without creating a
4569 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4570 Handle the simple cases.
4571 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4574 * cppinit.c (builtin_array): Change MCONST to XCONST
4576 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4577 fix check for disabled and function-like macros.
4578 * cpplib.c (do_define): Move most logic to
4579 _cpp_create_definition.
4580 (do_undef): Handle new special token types.
4582 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4584 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4585 of CONSTANT_P for mult_val; always use validate_change to update insn.
4587 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4589 * cpphash.c (trad_stringify, add_pat): New functions.
4590 (collect_expansion): Restore support for -traditional syntax.
4591 Use trad_stringify and add_pat.
4592 (_cpp_macroexpand): Restore support for -traditional semantics.
4593 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4594 get a COMMENT token.
4595 (_cpp_lex_token): Provide COMMENT tokens to caller if
4596 traditional and parsing_define_directive.
4597 (skip_comment): Warn about // comments if -Wtraditional.
4598 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4600 (do_undef): Don't warn about undefining EMPTY nodes.
4602 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4604 * loop.c (strength_reduce): Fix biv removal code.
4606 2000-04-22 Richard Henderson <rth@cygnus.com>
4608 * predict.c (estimate_probability): Examine both sides of
4609 a branch for no exits. Use 90% not 50% for predict taken.
4610 Reorg for one copy of note generation code.
4612 2000-04-22 Richard Henderson <rth@cygnus.com>
4614 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4616 2000-04-22 Richard Henderson <rth@cygnus.com>
4618 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4619 (output_clear): Likewise.
4620 (output_printf): Use va_copy.
4621 (vline_wrapper_message_with_location): Likewise.
4622 (v_message_with_decl): Likewise.
4623 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4624 * system.h (va_copy): Provide default implementation.
4626 2000-04-22 Richard Henderson <rth@cygnus.com>
4628 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4629 the collected condition is not a constant.
4631 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4633 * diagnostic.h: New file.
4635 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4637 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4638 various function prototypes.
4639 (diagnostic.h): #include.
4640 (struct output_buffer): Move into diagnostic.h.
4641 (get_output_prefix): Rename to output_get_prefix. Export.
4642 (init_output_buffer): Export. Break out. Ajust intialization.
4643 (output_space_left, output_append): Export.
4644 (output_newline): Rename to output_add_newline. Export.
4645 (output_clear): Nullify additional output_buffer fields.
4646 (output_puts): Rename to output_add_string. Export.
4647 (dump_output): Rename to output_flush_on. Export.
4648 (build_location_prefix): Constify return-type.
4649 (emit_output_prefix): Rename to output_emit_prefix. Export.
4650 (set_real_maximum_length): New function.
4651 (output_set_maximum_length): Ditto
4652 (output_clear): Ditto.
4653 (output_add_character): Ditto.
4654 (output_add_integer): Ditto.
4655 (output_add_space): Ditto.
4656 (output_format): Ditto.
4657 (output_printf): Adjust buffer initialization.
4658 (vline_wrapper_message_with_location): Ditto.
4659 (v_message_with_decl): Ditto. Adjust call to output_puts
4660 and get_output_prefix.
4661 (default_print_error_function): Adjust buffer intialization.
4663 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4665 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4668 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4670 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4673 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4675 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4676 accurate data about SP moves.
4678 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4680 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4681 aliases to AM33 registers.
4683 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4685 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4686 to all EXTENDED bitmaps.
4688 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4690 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4691 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4692 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4694 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4696 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4697 the operand is not constant.
4699 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4701 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4702 as a call-clobbered regs.
4704 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4706 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4708 * rtl.def: Update comment.
4709 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4710 * integrate.c (expand_inline_function): Likewise.
4711 * profile.c (branch_prob): Likewise.
4712 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4713 * print-rtl.c (print_rtx): Likewise.
4714 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4715 (reemit_notes): Likewise; also use enum insn_note.
4717 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4718 (place_field): Properly compute know and actual alignment.
4720 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4723 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4726 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4728 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4729 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4730 (collect_expansion): Rewrite to scan over a token list.
4731 Remove -traditional support.
4732 (collect_formal_parameters): Rename to collect_params; rewrite
4733 to scan over a token list.
4734 (_cpp_create_definition): Adjust to scan a token list.
4735 (_cpp_macroexpand): Remove -traditional support.
4736 (_cpp_compare_defs): Whitespace is now canonicalized.
4737 (comp_def_part): Delete function.
4739 * cpphash.h: Update prototypes.
4740 * cpplex.c (init_token_list): Don't set lineno if there is no
4742 (pedantic_whitespace): New function.
4743 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4744 consume a newline. Use pedantic_whitespace.
4745 (_cpp_lex_token): Remove support for -traditional macros.
4746 (_cpp_get_define_token): Delete.
4747 (_cpp_get_directive_token): Do the real work here. Use
4748 pedantic_whitespace.
4749 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4751 * cpplib.c (get_macro_name): Delete.
4752 (do_define): Read the entire line into pfile->directbuf, then
4753 feed the token list to _cpp_create_definition.
4754 * cpplib.h (HSPACE_BEFORE): new define.
4755 (struct cpp_reader): Add a toklist member, "directbuf".
4757 * predict.c (estimate_probability): New heuristic: if a jump
4758 branches around a block with no successors, predict it taken.
4759 Disentangle control flow.
4761 2000-04-20 Richard Henderson <rth@cygnus.com>
4763 * loop.c (emit_iv_add_mult): Revert last change.
4765 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4767 * cpplib.h (enum cpp_ttype): Add token types for all
4768 punctuators. Distinguish pp-numbers from valid C numbers.
4769 Give some tokens better names. Initialize from macro.
4770 (struct cpp_name, cpp_token, cpp_toklist): New data
4773 * cpplex.c (bump_column, expand_name_space,
4774 expand_token_space, init_token_list, cpp_output_list,
4775 _cpp_scan_line): New functions.
4776 (output_line_command): Add third argument, new line number.
4777 * cpphash.h: Update prototypes.
4778 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4781 2000-04-20 Richard Henderson <rth@cygnus.com>
4783 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4785 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4787 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4790 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4792 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4793 REG_EQUAL note explaining the calculated value.
4795 * calls.c (expand_call): Avoid unnecesary precalculation
4796 and outgoing parameters space guarding for sibling calls.
4797 (store_one_arg): Likewise.
4799 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4801 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4802 (rest_of_compilation): Write sibling dump file and account
4803 for time as jump time.
4804 * invoke.texi: Update documentation on dump flags.
4806 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4808 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4810 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4812 * cpphash.c (special_symbol): Represent an empty macro with
4813 "\r \r " not just "\r ".
4814 (_cpp_macroexpand): Correct condition for the foo ( ) special
4816 (unsafe_chars): Handle EOF as second argument.
4817 (push_macro_expansion): Simplify test for removing escape at
4818 end. Do not trim both escapes if there is no text in between.
4820 2000-04-19 Jim Blandy <jimb@redhat.com>
4822 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4823 of PTR_SIZE, when appropriate.
4825 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4827 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4828 (USE_ENUM_BITFIELDS): Fix typo.
4830 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4832 * stor-layout.c (place_field): Set rli->offset_align properly.
4834 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4836 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4837 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4838 PARM_BOUNDARY): Remove unnecessary casts.
4840 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4842 * calls.c (precompute_arguments): Remove must_preallocate and
4844 (expand_call): Update call of precompute_arguments.
4846 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4847 check_insn_for_givs): Break out from ...
4848 (strength_reduce) ... here; use for_every_insn_in_loop to call
4849 check_insn_for_givs.
4850 * loop.h (for_every_insn_in_loop): Declare.
4851 (loop_insn_callback): New type.
4853 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4855 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4858 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4860 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4863 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4865 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4867 * configure.in: Delete --disable-cpplib option and all
4868 references to cpp_main.
4869 * configure: Regenerate.
4870 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4871 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4872 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4873 cpp$(exeext). Add --no-headers to makeinfo command line when
4874 generating INSTALL. Install and uninstall cpp.1 manpage, not
4876 * install.texi: Delete all references to cexp.y/cexp.c.
4877 Delete ancient instructions for compiling GCC on 3b1.
4878 * INSTALL: Regenerate.
4880 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4881 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4882 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4884 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4885 which is no longer tested anywhere.
4887 * cppinit.c (handle_option): Don't run error message through
4890 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4892 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4893 * cpperror.c (hashtab.h): Now include.
4894 * cppexp.c (hashtab.h): Likewise.
4895 * cpplex.c (hashtab.h): Likewise.
4896 * cppfiles.c (hashtab.h): Likewise.
4897 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4898 to htab_find_slot_with_hash.
4899 * cpphash.c (hashtab.h): Now include.
4900 (_cpp_lookup_slot): INSERT is now enum insert_option.
4901 * cpphash.h (_cpp_lookup_slot): Likewise.
4902 * cppinit.c (hashtab.h): Include earlier.
4903 (initialize_builtins): Pass enum to htab_find_slot.
4904 * cpplib.c (hashtab.h): Now include.
4905 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4906 (do_pragma_poison, do_assert): Likewise.
4907 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4908 htab_find_slot_with_hash.
4909 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4910 * tree.c (type_hash_add): Likewise.
4911 (build1): Minor cleanup.
4913 * ggc-common.c: Add missing blanks.
4914 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4915 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4917 * stmt.c (mark_case_node): New function.
4918 (mark_case_nesting): Call it.
4920 * expmed.c (emit_store_flag): If comparing two-word integer
4921 with zero, can optimize NE, EQ, GE, and LT.
4923 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4924 * conflict.c: Minor cleanups.
4925 * optabs.c: Add blank line
4926 * simplify-rtx.c: Minor cleanups.
4928 2000-04-18 Stan Cox <scox@cygnus.com>
4930 * gengenrtl.c (genlegend): Fix misspelling.
4932 2000-04-18 Robert Lipe <robertlipe@usa.net>
4934 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4935 bitfields of the host compiler are not signed quantities.
4936 * config.in: Regenerate.
4937 * configure: Regenerate.
4938 * system.h (USE_ENUM_BITFIELDS): Added.
4939 (ENUM_BITFIELDS): Added.
4940 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4941 (SHORT_ENUM_BUG): Deleted.
4942 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4944 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4945 (CODE_FIELD_BUG): Likewise.
4946 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4948 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4950 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4952 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4955 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4957 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4958 * cpplib.c (do_include, do_import, do_include_next,
4959 read_line_number, detect_if_not_defined): Likewise.
4960 * cpphash.c (collect_expansion): Likewise.
4961 (special_symbol, _cpp_macroexpand): Check return from
4963 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4964 macros. Delete all uses.
4966 * gcc.dg/cpp-mi.c: Add two more test cases.
4967 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4969 2000-04-17 Richard Henderson <rth@cygnus.com>
4971 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4972 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4974 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4976 * function.c (expand_function_start): Use hard_function_value to
4977 compute the RTL to use for DECL_RESULT.
4979 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4981 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4982 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4983 x86_memory_mismatch_stall): New global variables.
4984 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4985 alloved; fix load penalties for Athlon.
4986 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4987 x86_memory_mismatch_stall): Declare.
4988 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4989 TARGET_MEMORY_MISMATCH_STALL): New.
4990 * i386.md (athlon scheduling parameters): Fix latencies according to
4991 Athlon Optimization Manual.
4992 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4994 (fsqrt instruction patterns): Set athlon_decode to direct.
4995 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4996 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4997 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4998 and TARGET_PARTIAL_REGISTER_STALL machines.
4999 (pushdf_nointeger): New pattern.
5000 (pushdf_integer): Rename from pushdf.
5001 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
5002 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
5004 2000-04-17 Richard Henderson <rth@cygnus.com>
5006 * loop.c (canonicalize_condition): Add WANT_REG argument.
5007 Stop the search if we match it.
5008 * expr.h (canonicalize_condition): Update decl.
5009 * predict.c (expected_value_to_br_prob): Use it. Track last
5010 expected value note.
5011 (find_expected_value): Remove.
5013 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
5015 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5017 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
5018 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
5020 * configure.in: Call AC_FUNC_MMAP_FILE.
5021 * configure: Regenerate.
5022 * config.in: Regenerate.
5024 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
5025 * fixinc/fixincl.c: Likewise.
5027 2000-04-17 Richard Henderson <rth@cygnus.com>
5029 * builtins.c (expand_builtin_expect): New.
5030 (expand_builtin): Call it.
5031 * builtins.def (BUILT_IN_EXPECT): New.
5032 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5033 * extend.texi: Document it.
5035 * predict.c (expected_value_to_br_prob): New.
5036 (find_expected_value): New.
5037 * basic-block.h (expected_value_to_br_prob): Declare.
5038 * toplev.c (rest_of_compilation): Invoke it.
5040 * rtl.h (NOTE_EXPECTED_VALUE): New.
5041 (NOTE_INSN_EXPECTED_VALUE): New.
5042 * rtl.c (note_insn_name): Update.
5043 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5044 cases; handle NOTE_INSN_EXPECTED_VALUE.
5046 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5048 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5049 leaf sibcall delay slot if flag_pic.
5050 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5052 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5054 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5056 * fixproto: If fix-header fails, exit with an error.
5058 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5060 * cse.c (struct check_depdendence_data): New.
5061 (check_dependence): New function.
5062 (invalidate): Use check_depdenence.
5064 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5066 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5067 UNITS_PER_WORD is unsigned.
5069 * tree.h (struct tree_common): Remove misleading comment.
5071 2000-04-16 Dave Pitts <dpitts@cozx.com>
5073 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
5074 message in quotes. Otherwise, IBM's make program treats the '#' as the
5075 start of a comment and ignores the remainder of the line.
5077 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
5079 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
5080 * cexp.y (initialize_random_junk): Likewise.
5081 * cppfiles.c (find_include_file): Cast alloca return value.
5082 * cppinit.c (initialize_standard_includes): Likewise.
5083 * cpplib.c (cpp_define, cpp_undef): Likewise.
5084 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
5085 * final.c (output_asm_insn): Allow for holes in EBCDIC.
5086 * fold-const.c (CHARMASK): New.
5087 (real_hex_to_f): Use it.
5088 * real.c (CHARMASK): New.
5089 (etoasc, asctoeg): Use it.
5090 (asctoeg): EBCDIC lower case characters preceed upper case.
5092 * i370.c (mvs_add_label): Change spacing for coding conventions.
5093 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5094 outputing case vectors.
5095 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5096 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5097 since vector in in the data CSECT.
5098 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5099 * i370.md (Many patterns): Put the length in the XL directives.
5100 (movdi): Put back STM and MVC in definition.
5101 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5102 pattern using the TCA.
5103 * oe.h (CPP_SPEC): Added to allow trigraphs.
5104 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5105 not support the "long long" type.
5107 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5109 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5111 (mips_reg_mode_ok_for_base_p): Likewise.
5112 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5113 (REG_OK_FOR_INDEX_P): Define unconditionally.
5114 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5115 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5116 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5117 that GET_MODE_SIZE is unsigned.
5118 (mips_reg_mode_ok_for_base_p): Define.
5119 (mips_legitimate_address_p): Likewise. Adjust now
5120 that GET_MODE_SIZE is unsigned.
5121 (block_move_loop): Make the number of bytes unsigned.
5122 (expand_block_move): Likewise.
5123 (function_arg): Make the loop counter unsigned to match the
5126 2000-04-16 Richard Henderson <rth@cygnus.com>
5128 * rtl.h (enum insn_note): New enumeration. Subsume
5129 NOTE_INSN_DELETED and friends.
5130 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5131 * rtl.c (note_insn_name): Tweak string order.
5133 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5135 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5138 * cpplex.c (output_line_command): Remove debugging prints.
5139 (cpp_output_tokens): Don't write out a zero-length buffer or
5140 try to see if it has a newline in it.
5141 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5142 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5143 the end of the loop. Use memmove. Don't read past the end of
5144 the buffer. Remove trailing newlines from error messages.
5146 2004-04-16 Neil Booth <NeilB@earthling.net>
5148 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5149 * cpplib.c: Add new syntax flags to directive table, and
5152 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5154 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5157 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5159 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5160 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5162 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5164 * Makefile.in (ggc-page.o): Now includes toplev.h.
5165 * ggc-page.c (toplev.h): Now included.
5166 (gc_time): Remove declaration.
5167 (ggc_collect): TIME now long.
5168 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5170 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5172 * toplev.c: Make *_time variable long to reduce chance of overflow.
5173 (TIMEVAR): Likewise for `otime'.
5174 (print_time): Arg is now long; compute percentage in FP and round.
5175 * toplev.h (print_time): Arg is long.
5177 * tree.c: Minor whitespace changes.
5179 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5180 * configure: Rebuilt.
5181 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5182 (__fixunsxfDI): Renamed from __fixunsxfdi.
5183 (__fixunsdfDI): Renamed from __fixunsdfdi.
5184 (__fixunssfDI): Renamed from __fixunssfdi.
5185 (__floatdisf): Use proper type in REP_BIT macro.
5186 (__fixunsxfSI): Renamed from __fixunsxfsi.
5187 (__fixunsdfSI): Renamed from __fixunsdfsi.
5188 (__fixunssfSI): Renamed from __fixunssfsi.
5189 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5190 Change location of macros and upper-case some names as above.
5191 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5192 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5194 * varasm.c (assemble_variable): Add cast to remove warning.
5195 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5197 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5198 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5199 region number to -1.
5201 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5203 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5204 call unshare_all_rtl.
5206 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5208 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5210 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5211 Use .s1 not .s0 for all FP instructions.
5213 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5215 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5217 (safe_fwrite, output_line_command): New static functions.
5218 (cpp_expand_to_buffer): Now private to cpplib.
5219 (cpp_scan_buffer): Take a printer.
5221 * cpphash.h: Update prototypes.
5222 * cpplib.h: Update prototypes.
5224 (cpp_buffer): Remove last_nominal_fname.
5225 (cpp_reader): Remove lineno.
5227 * cppmain.c: Use a cpp_printer.
5228 * fix-header.c: No need to inhibit line commands. Call
5229 cpp_start_read with no printer.
5231 * cpperror.c (cpp_notice_from_errno): Provide default name.
5232 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5233 (find_include_file, cpp_read_file): Use make_IHASH.
5234 (file_cleanup): Set control_macro and clear
5235 input_stack_listing_current here.
5236 (_cpp_execute_include): Don't output entering-file marker.
5237 * cpphash.c (special_symbol): Look for the line number in the
5238 buffer, not the reader.
5239 (_cpp_macroexpand): No need to disable line commands.
5240 (_cpp_dump_definition): No need to generate line commands.
5241 (dump_hash_helper): Remove excess newline from output.
5242 * cppinit.c (dump_special_to_buffer): No need to generate line
5244 (cpp_printer_init): New.
5245 (cpp_start_read): Take a printer, and start it up if it's not
5246 NULL. No need to generate line commands.
5247 (cpp_finish): Expect no buffers stacked at all. Take a
5248 printer argument, and flush the output buffer if it's not
5250 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5251 Don't put two hashes at the beginning of an assertion.
5252 (cpp_get_token): Don't increment pfile->lineno or emit line
5253 commands here. Return EOF if there's no buffer when we get
5255 * cpplib.c (do_define, skip_if_group):
5256 No need to disable line commands.
5257 (_cpp_output_line_command): Delete function.
5258 (do_line): Don't emit line commands here, but set things up so
5259 they will be emitted if necessary. Use _cpp_fake_ihash to
5260 make unique nominal_fnames if necessary.
5261 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5262 with 0 for column, not -1.
5263 (_cpp_handle_eof): Don't set the control macro here. Don't
5264 clear input_stack_listing_current here. Don't emit line
5267 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5269 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5270 always, use the default SVR4 start address.
5272 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5273 (LINK_SHLIB_SPEC): Define.
5274 (LINK_START_DEFAULT_SPEC): Define.
5275 (LINK_OS_DEFAULT_SPEC): Define.
5277 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5279 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5280 __do_global_ctors to handle constructors.
5281 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5282 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5283 (STARTFILE_MVME_SPEC): Likewise.
5284 (STARTFILE_SIM_SPEC): Likewise.
5285 (ENDFILE_ADS_SPEC): Use crtend.
5286 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5287 (ENDFILE_MVME_SPEC): Likewise.
5288 (ENDFILE_SIM_SPEC): Likewise.
5289 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5290 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5291 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5292 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5293 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5294 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5295 (CRTSTUFF_T_CFLAGS_S): Define.
5296 * config/rs6000/eabi-ctors.c: Delete.
5298 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5301 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5305 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5307 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5308 plus mask size is smaller or equal to the mode size.
5310 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5312 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5315 * expr.c (reload.h): Now included.
5316 (emit_block_move): Set volatile_ok when checking for movstr.
5317 (emit_move_1): Check for replacements in addresses in multi-word case.
5318 * Makefile.in (expr.o): Now includes reload.h.
5320 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5321 Never have a LIBCALL end a basic block.
5322 (find_basic_blocks_1): Likewise.
5323 Reorganize CALL_INSN cases.
5325 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5327 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5329 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5330 completers from mov.ret instruction.
5332 2000-04-14 Richard Henderson <rth@cygnus.com>
5334 * fold-const.c (extract_muldiv): Don't distribute and widen
5335 multiply across plus for non-sizetype unsigned types.
5337 2000-04-14 Richard Henderson <rth@cygnus.com>
5339 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5340 If the original source is dead in the incr insn, it's dead now.
5342 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5344 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5345 see if DECL_BIT_FIELD needs to still be set.
5347 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5349 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5350 print_int_cst_octal with something that's not an INTEGER_CST.
5352 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5353 and not a SUBREG to a FLOAT rtl.
5355 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5357 * emit-rtl.c (try_split): Avoid infinite loop if the split
5358 results in a sequence that contains the original insn.
5360 2000-04-13 Andreas Jaeger <aj@suse.de>
5362 * config/mips/mips.c (expand_block_move): Pass alignment
5363 argument to move_by_pieces in bits, not bytes.
5365 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5366 __pic__ for little endian.
5368 2000-04-13 Andreas Jaeger <aj@suse.de>
5370 * config/i386/i386-protos.h: Add prototype for
5371 uno_comparison_operator.
5373 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5375 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5376 * calls.c (ECF_PURE): New flag.
5377 (emit_call_1): Handle ECF_PURE calls.
5378 (initialize_argument_information): Unset ECF_PURE flag too.
5379 (precompute_arguments): Precompute for ECF_PURE too.
5380 (expand_call): Handle ECF_PURE calls too.
5381 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5382 accept value of 2 as pure function.
5383 (emit_library_call_value, emit_library_call): Rename no_queue argument
5385 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5387 * tree.h (DECL_IS_PURE): New macro.
5388 (struct tree_decl): Add pure_flag.
5389 * c-common.c (enum attrs): Add attribute "pure".
5390 (init_attributes): Initialize attribute "pure"
5391 (decl_attributes): Handle attribute "pure".
5392 * extend.texi (Attribute "pure"): Document.
5393 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5395 (flags_from_decl_or_type): Support attribute "pure".
5397 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5399 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5400 the token except for numbers and identifiers.
5402 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5404 * i386.c (ix86_expand_binary_operator,
5405 ix86_expand_unary_operator): Check no_new_pseudos
5406 instead of reload_in_progress and reload_completed.
5407 (ix86_split_ashldi, ix86_split_ashrdi,
5408 ix86_split_lshrdi): Check no_new_pseudos instead
5409 of reload_completed.
5411 2000-04-12 Jeffrey A Law (law@cygnus.com)
5413 * function.c (purge_addressof): Unshare any shared rtl created by
5414 purge_addressof and its children.
5416 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5418 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5421 2000-04-05 Andreas Jaeger <aj@suse.de>
5423 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5424 not compiling PIC code, add flags for mabi=64.
5425 (SUBTARGET_CPP_SIZE_SPEC): New.
5426 (SUBTARGET_CPP_SPEC): New.
5427 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5428 for MIPS/Linux and lots of code needs these defines.
5430 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5432 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5433 trying the "opposite arithmetic" approach.
5435 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5437 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5438 (struct sh_args): Add new field force_mem.
5439 (INIT_CUMULATIVE_ARGS): Initialize it.
5440 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5442 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5444 * calls.c (expand_call): Do not reverse args in "equal from" field.
5445 (emit_library_call_value_1): Emit_libcall_block for const and pure
5448 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5450 * reload1.c (reload_combine): Don't enable optimization for fixed
5451 registers when encountering a BARRIER.
5453 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5455 * builtins.c (expand_builtin_memcmp): Do expansion even with
5456 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5458 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5459 stack is propertly aligned; add sanity checking for aligned
5461 (expand_library_call_value_1): Add sanity checking for aligned
5464 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5466 * calls.c (emit_library_call_value_1): Change 3rd arg to
5467 locate_and_pad_parm to disregard the setting of partial.
5469 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5471 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5473 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5474 CALL_INSN from the normal case.
5476 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5478 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5479 New global variables.
5480 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5482 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5484 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5485 TARGET_ADD_ESP_8): New macros.
5486 * i386.md: Add peep2s to convert esp adjustments to push and pop
5488 (pushsi_prologue, popsi_epilogue): New patterns.
5490 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5492 * real.c (toe64): Remove stale #endif from the last change.
5494 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5496 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5497 * real.c (toe64): Revert previous change.
5499 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5501 * objc/objc-act.c: Include ggc.h.
5502 (objc_tree_index, objc_global_trees): Convert most of the
5503 static tree variables into a static array with previous names
5505 (objc_ellipsis_node): New variable.
5506 (lang_init): Call objc_act_parse_init and c_parse_init.
5507 Create objc_ellipsis_node.
5508 (build_selector_translation_table): Use objc_ellipsis_node instead
5510 (hack_method_prototype): Likewise.
5511 (get_arg_type_list): Likewise.
5512 (start_method_def): Likewise.
5513 (continue_method_def): Likewise.
5514 (gen_method_decl): Likewise.
5515 (ggc_mark_imp_list): New function.
5516 (ggc_mark_hash_table): New function.
5517 (objc_act_parse_init): New function.
5518 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5519 * c-parse.in (c_parse_init): For objc add roots of objc specific
5520 local tree variables.
5521 * objc/objc-parse.y: Rebuilt.
5522 * objc/objc-parse.c: Rebuilt.
5523 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5525 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5527 * cse.c (delete_trivially_dead_insns): Also delete insns
5528 that copy a register to itself where the destination is
5531 2000-04-11 Richard Henderson <rth@cygnus.com>
5533 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5534 (propagate_block): Initialize them. Use them in parallel instead
5535 of one tmp variable, ie revert much of the 0408 and 0407 functional
5536 changes, but keep the structural changes.
5537 (mark_set_regs): Take new_dead from propagate_block_info instead.
5538 (mark_set_1, mark_set_reg): Likewise.
5539 (mark_used_regs): Likewise with new_live.
5540 (mark_used_reg): Likewise. Revert 0408 change.
5542 2000-04-11 Nick Clifton <nickc@cygnus.com>
5544 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5546 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5548 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5550 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5551 const section to output a CONSTRUCTOR based on the same conditions
5554 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5556 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5557 * pa/pa-protos.h (output_call): Add additional argument indicating
5558 if the call is a sibling/tail call.
5559 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5560 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5561 (function_arg, function_arg_partial_nregs): Likewise
5562 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5563 (emit_move_sequence): Zero extend certain constants as needed
5565 (compute_zdepdi_operands, output_64bit_and): New functions.
5566 (output_64bit_ior, function_arg): Likewise.
5567 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5568 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5569 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5570 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5571 (output_bvb): Likewise.
5572 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5573 (output_call): New argument 'sibcall'. Generate sibcall sequences
5575 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5576 (ouput_arg_descriptor): Do not emit argument descriptors for
5578 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5580 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5581 (FUNCTION_OK_FOR_SIBALL): Define.
5582 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5583 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5584 (CPP_SPEC): Use new spec infrastructure.
5585 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5586 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5587 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5588 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5589 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5590 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5591 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5592 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5593 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5594 (FUNCTION_ARG); Call out to C code.
5595 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5596 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5597 (MIN_UNITS_PER_WORD): Likewise.
5598 * pa/pa.md (cmpdi): New expander.
5599 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5600 (64bit conditional arithmetic): New patterns.
5601 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5602 (movsicc): Not available if modes on all the operands to not match.
5603 (movdicc): New expander and associated patterns.
5604 (64bit branches): New patterns.
5605 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5606 (pre_ldd, post_std): New patterns.
5607 (64bit addil, load low part): New patterns.
5608 (special movsf constant): Not available for TARGET_64BIT.
5609 (movsf, movdf expanders): Force constants into memory.
5610 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5611 (64bit movdf/movdi patterns): New patterns.
5612 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5614 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5615 (adddi3 expander): Allow "arith_operand" for second input.
5616 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5617 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5618 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5619 (muldi3): New expander for TARGET_64BIT.
5620 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5622 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5623 patterns for TARGET_64BIT.
5624 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5625 patterns for TARGET_64BIT.
5626 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5627 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5628 (sibcall_epilogue): New expander.
5629 (casesi): Tweak for TARGET_64BIT.
5630 (call expanders): Set & use the outgoing argument pointer. Use the
5631 64bit call patterns as needed. Add additional arg to output_call.
5632 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5633 (sibcall, sibcall_internal_symref): New expanders.
5634 (sibcall_value, sibcall_value_internal_symref
5635 (interspace_jump): Turn into an expander + matching patterns.
5636 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5637 * pa/pa64-regs.h: Eliminate trigraph sequences.
5638 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5640 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5642 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5643 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5644 cpp_token with cpp_ttype everywhere.
5645 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5646 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5647 CPP_BUF_COL. Line and column numbers are unsigned int, not
5649 * cpplex.c (cpp_buf_line_and_col): Delete.
5650 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5651 'long lineno' to 'unsigned int lineno'.
5652 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5654 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5656 * extend.texi: ISO C99 is not a draft anymore.
5657 * invoke.texi: ISO C++ is not a draft anymore.
5658 * cpp.texi: __cplusplus is required by the ISO standard.
5660 * extend.texi (-fthis-is-variable): Undocument.
5661 * flags.h (warn_template_debugging): Remove declaration.
5662 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5663 -Wenum-clash, -Wtemplate-debugging): Undocument.
5665 2000-04-10 Nick Clifton <nickc@cygnus.com>
5667 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5669 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5671 (ARM_SIGN_EXTEND): Use HOST_UINT.
5672 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5673 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5674 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5675 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5677 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5678 (arm_gen_constant): Use HOST_UINT.
5679 (arm_canonicalize_constant): Use HOST_UINT.
5680 (arm_reload_in_hi): Use HOST_UINT.
5681 (arm_reload_out_hi): Use HOST_UINT.
5682 (output_multi_immediate): Use HOST_UINT.
5683 (int_log2): Use HOST_UINT.
5684 (arm_poke_function_name): Use HOST_UINT.
5685 (arm_output_epilogue): Use arm_volatile_func().
5686 (output_thumb_prologue): Use arm_strip_name_encoding().
5688 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5690 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5691 of sequence point problems.
5693 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5695 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5697 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5699 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5701 * sbitmap.h: Whitespace changes and use upper-case macro args.
5702 (struct simple_bitmap_def): All sizes now unsigned.
5703 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5704 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5705 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5706 (sbitmap_zero): Cast bzero arg to PTR.
5707 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5708 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5709 loop to make structure clearer.
5710 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5711 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5712 (sbitmap_a_and_b_or_c): Likewise.
5713 (sbitmap_intersection_of_succs): Minor cleanups.
5714 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5715 (sbitmap_union_of_preds): Likewise.
5716 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5717 (debug_sbitmap): New function.
5719 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5720 * c-typeck.c (convert_for_assignment): Likewise.
5722 * expmed.c (init_expmed): Don't free objects we make.
5723 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5725 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5726 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5728 * gcse.c (expr_hash_table_size): Now unsigned.
5729 (compute_ae_gen): Local variable `i' now unsigned.
5730 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5731 (compute_transout, hoist_code): Likewise.
5732 (compute_local_properties): Likewise, also hash_table_size.
5733 (alloc_expr_hash_table): N_INSNS now unsigned.
5734 (delete_null_pointer_checks): Mark arg F as unused.
5736 * regrename.c: Minor cleanups, including chang some variables
5739 2000-04-10 Neil Booth <NeilB@earthling.net>
5741 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5743 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5745 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5747 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5748 __classof__, and __headof__ from the list of gnu keywords.
5749 (-ansi): Remove -foperator-names from list of implied options.
5750 Do not call it ANSI C++.
5751 (-foperator-names): Document as -fno-operator-names.
5753 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5755 * cpphash.c (timestamp): Delete.
5756 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5757 (special_symbol): Remove unnecessary braces. Remove
5758 T_VERSION. Treat T_STDC like T_CONST unless
5759 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5760 when one is encountered, then convert them into T_MCONST
5762 * cppinit.c (builtin_array): version_string is T_MCONST.
5763 __STDC__ has a "1" in its cpval. Don't have a terminator
5764 entry. Clean up which entries are dumped.
5765 (initialize_builtins): Only __STDC__ gets the special
5766 -traditional treatment. Count the length of builtin_array.
5767 Render version_string here.
5768 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5769 * cpplib.h (struct cpp_reader): Remove timebuf.
5771 2000-04-09 Richard Henderson <rth@cygnus.com>
5773 * genrecog.c (pred): Update comparison_operator for the unordered
5776 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5778 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5779 (uno_comparison_operator): New.
5780 (put_condition_code): Handle UNORDERED/ORDERED.
5781 (unsigned_comparison): Likewise.
5782 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5783 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5784 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5785 update all callers. Handle all 8 unordered operators.
5786 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5787 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5788 * config/i386/i386.h (PREDICATE_CODES): Update.
5789 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5790 (ix86_expand_branch, ix86_expand_setcc): Update.
5791 * config/i386/i386.md (sunordered, sordered): New.
5792 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5793 (bunordered, bordered): New.
5794 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5795 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5796 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5798 2000-04-09 Philip Blundell <philb@gnu.org>
5800 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5802 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5804 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5805 fix_truncxfhi2): New patterns.
5806 * i386.c (output_fix_trunc): Handle converting to HImode.
5808 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5810 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5812 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5813 (for_each_successor_phi): Change parameter to basic_block.
5814 (coalesce_regs_in_successor_phi_nodes): Likewise.
5815 (coalesce_regs_in_copies): Likewise.
5816 (compute_coalesced_reg_partition): Use basic_block instead of index.
5817 * rtl.h (convert_to_ssa): Delete.
5818 (convert_from_ssa): Likewise.
5819 (successor_phi_fn): Likewise.
5820 (for_each_successor_phi): Likewise.
5821 (in_ssa_form): Likewise.
5822 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5823 (convert_from_ssa): Likewise.
5824 (successor_phi_fn): Likewise.
5825 (in_ssa_form): Likewise.
5826 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5827 * flow.c (calculate_global_regs_live): Pass a basic_block to
5828 for_each_successor_phi.
5830 2000-04-08 Richard Henderson <rth@cygnus.com>
5832 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5833 was modified in the current insn.
5835 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5837 * arm/thumb.md: Delete.
5838 * arm/thumb-protos.h: Delete.
5840 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5842 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5844 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5846 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5849 * arm.md (nop): Use the standard RTL expression. Don't code as a
5851 (*arm_nop, *thumb_nop): Delete.
5853 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5854 constants. Use casts instead.
5855 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5856 output_multi_immediate, arm_poke_function_name): Likewise.
5857 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5858 MASK_RETURN_ADDDR): Likewise.
5860 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5862 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5865 * arm.md (eh_epilogue): New function.
5866 * arm.h (struct machine_function): Move to here ...
5867 * arm.c: ... from here.
5868 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5869 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5870 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5872 2000-03-30 Nick Clifton <nickc@cygnus.com>
5874 * config/arm/semi.h (ASM_SPEC): Restore definition.
5875 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5877 * config/arm/elf.h (ASM_SPEC): Restore definition.
5878 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5880 * config/arm/arm.h (ASM_SPEC): Remove definition.
5881 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5883 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5885 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5887 2000-03-24 Nick Clifton <nickc@cygnus.com>
5889 Various formating tidyups, elimination of compile time
5890 warnings and synchronisation with internal sources:
5892 * config/arm/arm-protos.h (assemble_align): Add prototype.
5893 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5894 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5895 (arm_return_addr_rtx): Rename to arm_return_addr.
5897 * config/arm/arm.c: Include except.h.
5898 Define shorter typenames for strict minipool_node and struct
5900 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5902 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5903 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5905 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5907 (ASM_SPEC): Define if not already defined.
5908 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5910 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5911 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5912 arm_gen_compare_reg.
5913 (indirect_jump): Only accept register operands.
5914 (load_indirect_jump): Keep this pattern since combine can generate
5917 * config/arm/coff.h: Include aout.h.
5918 (MULTILIB_DEFAULTS): Only define if not already defined.
5920 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5921 into arm.h (so that COFF ports can support thumb based aliases).
5922 (ASM_SPEC): Move definition into arm.h
5924 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5925 redundant apcs spec.
5926 (ASM_SPEC): Move definition to arm.h
5928 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5930 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5931 for entries in the .bss section
5933 2000-03-23 Nick Clifton <nickc@cygnus.com>
5935 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5936 to thumb_far_jump_used_p.
5938 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5939 single integer parameter.
5941 * config/arm/arm.c (struct machine_function): Add two new
5942 fields, 'far_jump_used' and 'arg_pointer_live'.
5943 (thumb_far_jump_used_p): Once the decision has been made that
5944 far jumps might be used, always return true.
5945 If being called from the initial elimination offset macro then
5946 do not bother to perform the test if the arg pointer is not
5948 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5949 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5951 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5953 * arm.c (output_return_instruction): Handle more cases where we can
5954 return from a function with an ldr instruction.
5955 (arm_output_epilogue): Likewise.
5957 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5958 if we need to push a large stack frame and there are no callee-saved
5961 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5962 in ARM code if the frame pointer has been eliminated.
5964 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5965 unspec_volatile arguments to avoid duplicates.
5966 (consttable_1, consttable_2): Fixes for big-endian mode.
5968 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5971 Re-write constant pool code.
5972 * arm.c (minipool_node, minipool_fix): New types.
5973 (minifix): Delete type.
5974 (arm_add_minipool_constant): Delete.
5975 (arm_compute_minipool_offsets, arm_find_barrier,
5976 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5977 (get_jump_table_size): Now returns HOST_WIDE_INT.
5978 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5980 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5981 (assign_minipool_offsets, arm_print_value): Likewise.
5982 (dump_minipool): Rewrite.
5983 (arm_barrier_cost): New function.
5984 (create_fix_barrier): New function.
5985 (push_minipool_barrier): New function.
5986 (push_minipool_fix): Record additional information about the fixup
5988 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5989 check the mode of what needs fixing.
5990 (arm_reorg): Rewrite.
5992 2000-03-08 Nick Clifton <nickc@cygnus.com>
5994 * config/arm/arm.md (indirect_jump): Force constant addresses into
5997 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5999 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
6001 2000-02-24 Nick Clifton <nickc@cygnus.com>
6003 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
6004 adjust is word aligned.
6005 (thumb_expand_epilogue): Make sure that stack adjust is word
6008 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
6010 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
6012 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
6013 pointer relative addresses.
6015 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
6017 * arm.c (find_barrier): Find the last barrier within the allowed
6020 2000-02-09 Nick Clifton <nickc@cygnus.com>
6022 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
6024 2000-02-09 Nick Clifton <nickc@cygnus.com>
6026 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6027 ARM_FUNCTION_PROFILER.
6029 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6030 ARM_FUNCTION_PROFILER.
6032 * config/arm/linux-oldld.h: Imported from mainline sources.
6034 2000-02-07 Nick Clifton <nickc@cygnus.com>
6036 * config/arm/lib1funcs.asm: Merge in thumb functions from
6039 * config/arm/lib1thumb.asm: Delete.
6041 2000-02-04 Nick Clifton <nickc@cygnus.com>
6043 * config/arm/arm.c: Sychronised with current Red hat local
6045 * config/arm/arm.h: Ditto.
6046 * config/arm/arm-protos.h: Ditto.
6048 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6050 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6052 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6055 2000-02-02 Nick Clifton <nickc@cygnus.com>
6057 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6059 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6060 (return) was emited using an emit_insn() call.
6062 2000-01-31 Nick Clifton <nickc@cygnus.com>
6064 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6066 (thumb_exit): Move frame pointer back into hard frame pointer
6067 register if backtracing is being used.
6069 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
6071 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
6074 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
6076 * config/arm/arm.md (neg_pool_offset): Provide default for new
6078 (arm_movsi_insn): Add neg_pool_offset attribute.
6079 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
6080 rtx for the insn that starts the scan and an unsigned long for its
6081 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
6082 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
6083 instructions in *PINSERTED.
6084 (struct minipool_fixup): Add MIN_ADDRESS elt.
6085 (sort_fixups): Compute it.
6086 (arm_reorg): Changes to support inserting pools before the insn to be
6089 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6091 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
6092 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6093 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6095 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6097 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6099 (TARGET_DEFAULT): Do not define if already defined.
6101 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6103 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6104 (iordi3): Allow disjoint source operands.
6105 (xordi3): Allow disjoint source operands.
6106 (negdi2): Permit construction for ARM and Thumb.
6107 (arm_negdi2): Renamed version of old negdi2 pattern.
6108 (thumb_negdi2): New pattern: Only permit non-overlapping
6109 source and destination.
6111 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6113 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6114 scratch low register so that it will not be deleted.
6116 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6118 * config/arm/pe.h (ARM_PE): Define.
6120 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6121 interfacearm attribute if this is a PE toolchain.
6122 (output_return_instruction): Do not emit anything if the function
6123 has the naked attribute set.
6124 (is_called_in_ARM_mode): If the function has the interfacearm
6125 attribute then return true.
6126 (thumb_expand_prologue): Do not generate a prologue for naked
6128 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6130 (output_thumb_prologue): Do not bother if the function is naked.
6131 Strip PE encoding from function name before emitting.
6133 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6135 * arm.md (pic_load_addr): Fix constraints.
6137 * arm.md (casesi_insn): Fix mis-applied patch.
6139 * arm.md ("core" function unit): Add rules for single- and
6141 (All TARGET_THUMB patterns): Add "type" attribute information
6143 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6144 the following insn is a CALL.
6146 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6148 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6149 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6150 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6152 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6154 * config/arm/linux-gas.h: oops - this file was missed out when the
6155 branch was created...
6157 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6159 * thumb.c: Deleted. Move contents to ...
6161 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6163 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6166 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6167 declare a prototype for asm_output_align();
6169 * arm.c (thumb_condition_code): Delete.
6170 (arm_print_operand): Always use arm_condition_code array.
6172 * arm.c (thumb_return_addr_rtx): Delete.
6173 (arm_save_machine_status, arm_restore_machine_status): Delete.
6174 (arm_init_machine_status, arm_mark_machine_status): New functions.
6175 (arm_init_expanders): Update accordingly.
6176 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6177 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6178 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6180 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6182 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6184 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6187 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6189 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6190 stack backtrace structure.
6192 * config/arm/arm-protos.h: Add prototypes for functions defined in
6195 * config/arm/arm.c (arm_override_options): Fix selection of
6196 attributes of default processor.
6198 * config/arm/coff.h: Delete needless #include.
6200 * config/arm/pe.c: Delete unused code.
6202 * config/arm/pe.h (CPP_DEFINES): Delete
6203 (SUBTARGET_CPP_SPEC): Define.
6204 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6206 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6208 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6210 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6212 (CAN_DEBUG_WITHOUT_FP): Define.
6213 (FIXED_REGISTERS): Make r11 call-saved.
6214 (CALL_USED_REGISTERS): Likewise.
6215 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6216 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6217 frame-pointer is required.
6218 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6219 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6220 if the target normally needs a stack frame in non-leaf functions.
6221 (use_return_insn): Correct logic for determining when a return
6222 instruction can be used.
6223 (output_return_instruction): Handle the frame-pointer register as
6224 a normal register when not TARGET_APCS_FRAME.
6225 (arm_output_prologue): Likewise.
6226 (arm_output_epilogue): Likewise.
6227 (output_func_epilogue): Likewise.
6228 (arm_expand_prologue): Likewise.
6229 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6231 * arm.c (use_return_insn): No need to check floating point regs if
6233 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6234 the code of value stored in the minipool array.
6235 (arm_add_minipool_constant): Likewise.
6237 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6239 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6241 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6243 * tree.c (tree_expr_nonnegative_p): New function.
6245 * tree.h (tree_expr_nonnegative_p): Declare.
6247 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6248 elide some sign_compare warnings.
6249 (build_conditional_expr): Likewise.
6251 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6253 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6255 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6256 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6257 operand. Abort if a 387 operand has an unsupported size.
6259 2000-04-08 Neil Booth <NeilB@earthling.net>
6261 * cppexp.c (parse_charconst): Null does not end character
6263 * cppinit.c (ISTABLE): Null character handled as whitespace.
6264 * cpplex.c (null_warning): new function.
6265 (skip_string): Emit warning if nulls encountered.
6266 (_cpp_skip_hspace): Emit warning if nulls encountered.
6267 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6271 2000-04-07 Richard Henderson <rth@cygnus.com>
6273 * flow.c (loop_depth): Remove.
6274 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6275 (struct propagate_block_info): New.
6276 (life_analysis): Don't allocate reg_next_use.
6277 (propagate_block_delete_insn): Break out of propagate_block.
6278 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6279 (propagate_block_delete_libcall): Likewise.
6280 (propagate_block): Create a propagate_block_info struct to pass
6281 to subroutines. Allocate one not two temporary regsets. Don't
6282 clobber memory for const calls. Look for clobbers in
6283 CALL_INSN_FUNCTION_USAGE.
6284 (mark_set_regs): Recognize COND_EXEC.
6285 (mark_set_reg): Break out of mark_set_1.
6286 (mark_used_reg): Break out of mark_used_regs.
6287 (mark_used_regs): Recognize COND_EXEC.
6288 (insn_dead_p): Use propagate_block_info struct.
6289 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6290 (find_auto_inc, try_pre_increment_1): Likewise.
6291 (print_rtl_with_bb): Dump regs live at end too.
6292 (count_reg_sets_1): Pass in loop_depth.
6293 (count_reg_sets, count_reg_references): Likewise.
6294 (recompute_reg_usage): Provide it.
6296 2000-04-07 Richard Henderson <rth@cygnus.com>
6298 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6301 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6303 * cpplib.c (do_elif): Skip the rest of the line if we're
6304 not going to bother evaluating it.
6305 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6306 to avoid pointless calls to the lexer.
6308 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6310 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6312 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6314 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6316 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6318 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6320 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6322 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6323 crtend so they can be multilibbed.
6324 (STAGESTUFF): Remove s-crt and s-crtS.
6326 2000-04-07 Richard Henderson <rth@cygnus.com>
6328 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6329 if we discover we need a pseudo and no_new_pseudos is true.
6330 * config/alpha/alpha.md (ne:DI insn): New.
6331 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6333 2000-04-07 Richard Henderson <rth@cygnus.com>
6335 * rtl.def (COND_EXEC): New.
6336 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6337 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6339 * genconfig.c (have_cond_arith_flag): Remove.
6340 (have_cond_exec_flag): New.
6341 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6342 (main): Print HAVE_conditional_execution.
6344 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6345 (sched_analyze_insn, print_pattern): Likewise.
6346 * reload.c (find_equiv_reg): Likewise.
6347 * rtlanal.c (reg_referenced_p): Likewise.
6348 (note_stores, dead_or_set_regno_p): Likewise.
6349 (reg_overlap_mentioned_p): Rewrite to use a switch.
6351 * ggc.h (struct rtx_def): Forward declare.
6353 * print-rtl.c (debug_rtx_range): New.
6354 * rtl.h (debug_rtx_range): Declare.
6356 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6358 * gcse.c (gcse_main): Don't rebuild the CFG here.
6359 (delete_null_pointer_checks): Likewise.
6360 * ssa.c (convert_to_ssa): Likewise.
6361 * toplev.c (rest_of_compilation): Do it here instead. Combine
6362 sequential calls to TIMEVAR. Consistently use `insns' instead of
6363 `get_insns()'. Always split insns after reload when optimizing.
6365 * basic-block.h (merge_blocks_nomove): Declare.
6366 (tidy_fallthru_edge): Declare.
6367 * flow.c (merge_blocks_nomove): Document as merging into previous
6368 blocks. Remove cruft from between blocks; remove all edges out of A.
6369 (tidy_fallthru_edge): Export.
6371 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6373 * ssa.c (compute_conservative_reg_partition): Declare with
6375 * toplev.c (clean_dump_file): Remove previously-deleted function
6376 inadvertantly merged back in.
6377 * conflict.c (conflict_graph_add): Use a single call to
6378 htab_find_slot to look up and insert.
6380 2000-04-06 Richard Henderson <rth@cygnus.com>
6382 * genrecog.c (*): Rename _last_insn to last_insn.
6383 (make_insn_sequence): Set the position of the peephole2 C test
6384 to be at the last insn.
6386 2000-04-06 Richard Henderson <rth@cygnus.com>
6388 * flow.c (compute_flow_dominators): Free worklist.
6390 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6392 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6394 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6396 * rtl.h (INSN_P): New macro.
6397 (successor_phi_fn): New typedef.
6398 (for_each_successor_phi): New prototype.
6399 (in_ssa_form): New variable.
6400 (PHI_NODE_P): Likewise.
6401 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6402 phi nodes in successors.
6403 (mark_used_regs): Add PHI case.
6404 (set_phi_alternative_reg): New function.
6405 (life_analysis): Assert that dead code elimination is not selected
6407 * toplev.c (to_ssa_time): New variable.
6408 (from_ssa_time): Likewise.
6409 (compile_file): Zero to_ssa_time and from_ssa_time.
6410 Print time to convert to and from SSA.
6411 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6412 (print_time): Compute percent fraction as integer.
6413 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6414 (convert_to_ssa): Check if we're already in SSA.
6415 Don't eliminate dead code in life_analysis.
6416 Rerun flow and life analysis at bottom.
6417 (eliminate_phi): Use canonical regnos when adding nodes.
6418 (mark_reg_in_phi): New function.
6419 (mark_phi_and_copy_regs): Likewise.
6420 (convert_from_ssa): Rerun life analysis at top.
6421 Use coalesced partition.
6422 Check for removing a phi node at the end of the block.
6423 (compute_coalesced_reg_partition): New function.
6424 (coalesce_regs_in_copies): Likewise.
6425 (coalesce_reg_in_phi): Likewise.
6426 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6427 (for_each_successor_phi): Likewise.
6428 (rename_context): New struct.
6429 (rename_block): Use a rename_context with rename_insn_1. When
6430 renaming sets of a subreg, emit a copy of the entire reg first.
6431 (rename_insn_1): Treat data as a rename_context *. Save current
6433 (rename_set_data): Add field set_insn.
6434 * Makefile.in (HASHTAB_H): Move up in file.
6435 (OBSTACK_H): New macro.
6436 (collect2.o): Use OBSTACK_H in dependencies.
6437 (sdbout.o): Likewise.
6438 (emit-rtl.o): Likewise.
6439 (simplify-rtx.o): Likewise.
6440 (fix-header.o): Likewise.
6441 (OBJS): Add conflict.o.
6442 (conflict.o): New rule.
6443 * basic-block.h: Include partition.h.
6444 (conflict_graph): New typedef.
6445 (conflict_graph_enum_fn): Likewise.
6446 (conflict_graph_new): New prototype.
6447 (conflict_graph_delete): Likewise.
6448 (conflict_graph_add): Likewise.
6449 (conflict_graph_conflict_p): Likewise.
6450 (conflict_graph_enum): Likewise.
6451 (conflict_graph_merge_regs): Likewise.
6452 (conflict_graph_print): Likewise.
6453 (conflict_graph_compute): Likewise.
6454 * conflict.c: New file.
6456 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6458 * tlink.c (read_repo_files): Don't look for .rpo info for
6461 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6463 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6465 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6467 * config/sh/lib1funcs.asm (___udivsi3_i4):
6468 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6469 only depends on FMOVD_WORKS.
6471 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6473 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6474 make double constant 8-byte aligned.
6476 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6478 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6479 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6480 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6481 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6482 Accept storing GENERAL_REGS into offsetable memory.
6483 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6484 building a TFmode constant other than 0.0L into GENERAL_REGS.
6486 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6488 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6490 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6492 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6493 (macro_cleanup): No need to cast pbuf->macro.
6494 (collect_expansion): Use _cpp_get_define_token. Goto done if
6495 it returns VSPACE. Remove check for trailing space after
6497 (_cpp_create_definition): Don't diddle flags here. Return
6499 (unsafe_chars): Handle c1 being EOF.
6500 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6501 checks. Don't push the buffer till after we're done with
6503 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6504 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6505 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6507 (_cpp_parse_assertion): Don't NUL terminate.
6508 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6509 hspace before calling _cpp_parse_assertion. Remove all sets
6510 of only_seen_white. Treat '\f' as hspace. Don't do anything
6511 special with '\n' here.
6512 (maybe_macroexpand): Handle T_EMPTY hash entries without
6513 pushing a buffer at all.
6514 (cpp_get_token): Handle clearing only_seen_white here. Handle
6515 incrementing the line number here. Clear
6516 potential_control_macro as well as only_seen_white, if
6518 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6519 (_cpp_get_define_token): New function, basically like
6520 _cpp_get_directive_token was but doesn't eat horizontal space.
6521 Don't do anything with only_seen_white here.
6522 (_cpp_get_directive_token): Just call _cpp_get_define_token
6523 repeatedly till it returns non-hspace.
6525 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6526 (conditional_skip, skip_if_group): Return int.
6527 (DIRECTIVE_TABLE): Change origin of all conditional directives
6529 (TRAD_DIRECT_P): New macro.
6530 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6531 an error for a bogus directive, unless -lang-asm. Use
6532 TRAD_DIRECT_P. Loop calling handler functions till one returns
6534 (get_macro_name): Don't diddle flags here.
6535 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6536 Create T_EMPTY nodes for #define macro /* nothing */.
6537 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6538 Use hp->name when calling pass_thru_directive.
6539 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6540 Return the result of conditional_skip and/or skip_if_group.
6541 Don't call _cpp_output_line_command.
6542 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6543 Issue -Wtraditional warnings as appropriate. Don't complain
6544 about unrecognized directives. If we are to stop skipping,
6545 return the number of the directive that ended the skip.
6546 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6547 expansion and line commands while skipping. Return the result
6548 of consider_directive_while_skipping, if nonzero.
6549 (do_endif): Just set potential_control_macro here.
6550 (validate_else): Use _cpp_get_directive_token.
6551 (do_assert, do_unassert): Don't save pointers into the
6552 token_buffer across calls to the lexer. Use
6553 _cpp_get_directive_token.
6555 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6556 pointer, not an offset. Replace 'data', which was a generic
6557 pointer, with 'macro', which points to a struct hashnode.
6558 (cpp_reader): Add 'potential_control_macro' pointer.
6559 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6560 (CPP_BUF_GET, CPP_FORWARD): Delete.
6561 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6562 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6563 ACTIVE_MARK_P): Update.
6564 (_cpp_get_define_token): New internal function.
6565 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6567 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6569 * configure.in: And here.
6570 * configure: Regenerate.
6571 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6572 --enable-libstdcxx-v3 is passed at configure time.
6573 * config.h.in: Regenerate.
6575 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6577 * final.c (final): Use xcalloc to allocate line_note_exists.
6578 * function.c (free_after_compilation): Free the temp_slots.
6579 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6580 (combine_temp_slot): Free temp_slots when they get combined.
6581 (purge_addressof): Fix typo in comment.
6582 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6583 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6585 * ggc.h: Include varray.h.
6586 (ggc_pending_trees): Declare.
6587 (ggc_mark_tree_children): Remove declaration.
6588 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6589 * ggc-common.c (ggc_pending_trees): New variable.
6590 (ggc_mark_roots): Call ggc_mark_trees.
6591 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6592 the ggc_pending_trees.
6593 * Makefile.in (GGC_H): New variable. Use it throughout in place
6596 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6598 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6601 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6603 * sh.c (sh_insn_length_adjustment): New function.
6604 * sh-protos.h (sh_insn_length_adjustment): Declare.
6605 * sh.h (ADJUST_INSN_LENGTH): Use it.
6607 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6609 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6610 from the insn where REG_RETVAL is added.
6611 (emit_no_conflict_block): Ditto.
6613 * md.texi (Standard Names): Clarify when movX is needed.
6615 * combine.c (simplify_comparison) [MINUS]: Do not replace
6616 all (op (minus A B) 0) with (op A B).
6618 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6619 J"orn Rennecke <amylaar@cygnus.co.uk>
6621 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6622 (block_lump_real): Likewise.
6624 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6626 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6627 remaining non-zero debugging masks.
6629 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6631 * basic-block.h (verify_flow_info): Declare.
6632 (flow_loop_outside_edge_p): Declare.
6633 * flow.c (verify_flow_info): Remove declaration.
6634 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6636 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6638 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6641 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6643 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6644 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6645 seqdi_zero_trunc+1): Allow splits only if registers are
6648 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6650 * acconfig.h: Add HAVE_GAS_HIDDEN.
6651 * config.in: Regenerated.
6652 * configure.in: Add test for .hidden pseudo-op in gas.
6653 * configure: Regenerated.
6654 * crtstuff.c: Include auto-host.h.
6655 Emit additional .hidden pseudo-op for __dso_handle if the
6656 assembler knows about it.
6658 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6660 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6661 before freeing argnames.
6662 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6664 2000-04-05 Michael Meissner <meissner@redhat.com>
6666 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6667 Walton <jonboy@gordian.com> to make memory references with update
6668 work wtih -mregnames.
6670 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6672 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6673 (regrename_optimize): Rename variables `def_uses' and
6674 `ext_basic_blocks' to avoid conflicts with similarly named
6675 typedefs in traditional C.
6677 * calls.c (initialize_argument_information): Fix typo in previous
6680 2000-04-04 Richard Henderson <rth@cygnus.com>
6682 * regrename.c (consider_available): Test fixed_regs not
6683 PIC_OFFSET_TABLE_REGNUM.
6685 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6687 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6689 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6690 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6691 (ENDFILE_LINUX_SPEC): Always use crtend.
6692 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6693 (powerpc-*-linux-gnu): Likewise.
6694 * configure: Regenerate.
6696 * config/rs6000/eabi.h: Don't include sysv4.h.
6697 (MULTILIB_DEFAULTS): Don't define.
6698 * config/rs6000/eabiaix.h: Don't include eabi.h.
6699 * config/rs6000/eabile.h: Delete.
6700 * config/rs6000/eabilesim.h: Delete.
6701 * config/rs6000/eabisim.h: Don't include eabi.h.
6702 * config/rs6000/linux.h: Don't include sysv4.h.
6703 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6704 (MULTILIB_DEFAULTS): Don't redefine.
6705 * config/rs6000/rtems.h: Don't include eabi.h.
6706 * config/rs6000/sol2.h: Don't include sysv4le.h.
6707 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6708 * config/rs6000/t-ppc: Delete.
6709 * config/rs6000/t-ppcgas: Correct comment.
6710 * config/rs6000/t-ppcos: Correct comment. Don't build
6711 multilibs for -fPIC, rather use -fPIC -mstrict-align
6713 * config/rs6000/t-ppc: Delete.
6714 * config/rs6000/vxppc.h: Don't include sysv4.h.
6715 * config/rs6000/vxppcle.h: Delete.
6716 * configure.in: Use multiple header files for p2pc ELF targets
6717 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6718 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6719 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6720 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6721 always available for these platforms.
6723 2000-04-04 Richard Henderson <rth@cygnus.com>
6725 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6727 2000-04-04 Stan Cox <scox@cygnus.com>
6729 * Makefile.in: Add rules for regrename.o
6730 * regrename.c: New file.
6731 * rtl.h (regrename_optimize): Add prototype.
6732 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6733 (compile_file, decode_d_option): Add support for -frename-registers.
6734 (rest_of_compilation): Call regrename_optimize.
6735 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6738 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6740 * Makefile (gccbug): New target.
6741 (doc): Depend on it.
6742 * gcc.texi (Bugs): Link subnodes.
6744 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6745 Document severities, priorities, and classes in bug form.
6747 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6749 * cpplex.c (trigraph_map, speccase): Combine into single
6751 (NORMAL, NONTRI): New macros.
6752 (_cpp_read_and_prescan): Change to use unified table. Use
6753 is_hspace to test for whitespace.
6755 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6756 definition that doesn't provoke the "empty body in an
6757 if-statement" warning.
6759 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6761 * builtins.c (expand_builtin_strlen): Force the source to
6762 be a memory address.
6764 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6766 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6768 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6770 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6771 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6772 (ECF_IS_CONST): Rename to ECF_CONST.
6773 (special_function_p): Make static, change interface.
6774 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6775 (expand_call) ... here; convert number of variables to flags.
6776 (emit_library_call_vlue_1): Likewise.
6777 (setjmp_call_p): New function.
6778 (initialize_argument_information): Accepts flags as argument;
6780 (precompute_arguments): Likewise.
6781 * tree.h (special_function_p): Remove.
6782 (setjmp_call_p): Add prototype.
6784 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6786 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6787 so that addresses are offsetable by up to 16 bytes.
6788 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6789 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6792 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6793 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6794 (movsf): Don't force any constant to memory if target is integer
6796 Move fp_zero_operand check below the const0_rtx check.
6797 (movtf): Likewise. Also allow fp_zero_operand for stores into
6799 (movdf): Likewise. Also allow fp_zero_operand for stores into
6800 memory and into integer hard registers.
6801 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6802 movdf_const_intreg_sp64): Remove.
6803 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6805 (movdf_no_e_insn_v9_sp32): New pattern.
6806 (movdf_insn_v9only): Remove.
6807 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6808 (movdf_insn_sp64): Remove.
6809 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6810 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6811 (following splits): Rewrite conditions. Add two new splits
6812 for storing 0.0 into memory and registers.
6813 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6814 (movtf_insn_sp32): Redo constraints and conditions.
6815 (movtf_insn_vis_sp32): New pattern.
6816 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6817 (movtf_insn_hq_sp64): Likewise.
6818 (movtf_insn_hq_vis_sp64): New pattern.
6819 (movtf_insn_sp64): Redo constraints and conditions.
6820 (movtf_insn_vis_sp64): New pattern.
6821 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6822 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6824 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6825 -mvis or -m64 to take down the number of various reload patterns.
6827 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6829 * pa/pa-64.h: New file.
6830 * pa/pa64-regs.h: New file.
6831 * pa/pa64-start.h: New file.
6832 * pa/t-pa64: New file.
6833 * pa/xm-pa64hpux.h: New file.
6835 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6837 * sparc.c (output_restore_regs): Prototype.
6838 (sparc_emit_float_lib_cmp): Constification.
6840 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6842 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6845 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6846 (get_value_hash, hash_rtx): Likewise.
6848 * ssa.c (compute_conservative_reg_partition): Prototype.
6850 * tree.c (mark_hash_entry): Prototype.
6852 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6854 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6855 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6856 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6858 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6859 * objc/lang-specs.h: Likewise.
6861 2000-04-03 Neil Booth <NeilB@earthling.net>
6863 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6864 and SYNTAX_ERROR2. Replace `' in messages with ''.
6865 (op_to_str): Make re-entrant.
6866 (_cpp_parse_expr): Implement new error macros. Use | rather
6867 than || to logically or 2 boolean integers. Simply expression
6868 checking we have a left operand iff needed.
6870 2000-04-03 Nick Clifton <nickc@cygnus.com>
6872 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6874 2000-04-03 Philip Blundell <philb@gnu.org>
6876 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6878 2000-04-03 Felix Lee <flee@cygnus.com>
6880 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6881 (run_shell): Use it.
6883 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6885 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6886 (stmp-fixproto): ...rather than here.
6888 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6890 * pa.c (print_operand): Compute 'base' only inside the code paths
6893 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6895 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6898 2000-04-03 Philipp Thomas <pthomas@suse.de>
6900 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6902 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6904 * Makefile.in (alias.o): Depend on $(TREE_H).
6906 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6908 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6910 * cpplib.c (_cpp_handle_directive): Improve warnings for
6911 traditional C and indented directives.
6913 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6914 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6915 fixinc/inclhack.def: Indent the # of #include_next one space.
6916 * cp/rtti.c: Un-indent #if and #endif.
6918 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6919 syntax error, but an error has already been printed.
6920 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6921 message when called with nothing remaining on the line.
6922 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6923 OTHER token, not an ASSERTION.
6924 * cpplib.c (do_assert): When we create a 'base' node, clear
6925 its aschain pointer.
6927 2000-04-02 Neil Booth <NeilB@earthling.net>
6929 * cppexp.c: New typedef op_t. struct operation and struct
6930 token updated to use it.
6931 (op_to_str): New function.
6932 (_cpp_parse_expr): Error messages modified to use op_to_str.
6934 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6936 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6937 before checking MUST_PASS_IN_STACK.
6939 2000-04-02 Neil Booth <NeilB@earthling.net>
6941 * cppexp.c: New FINISHED dummy token. Combine operator initial
6942 flags and initial priority into a single constant. New
6943 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6944 (_parse_cpp_expr): Implement new constants. Take left operand
6945 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6946 parse indicated by reducing FINISHED token. Remove new lines
6947 from cpp_error messages.
6949 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6951 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6954 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6956 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6957 directive. Add origin values to DIRECTIVE_TABLE. Generate
6958 the strings and function names on the fly. Take the #sccs
6959 entry out of the table if SCCS_DIRECTIVE is not defined.
6960 (_cpp_handle_directive): Decide if the # was at the beginning
6961 of the line here. Issue -pedantic warnings for extended
6962 directives here. Warn about K+R directives with the #
6963 indented, and C89/extended directives with the # not indented,
6965 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6966 do_assert, do_unassert): Don't issue pedantic warning here.
6968 * cpphash.h: Add CPP_WTRADITIONAL macro.
6969 * cpplib.h (struct cpp_options): Rename warn_stringify to
6970 warn_traditional; update comments.
6971 * cppinit.c (handle_option): Set warn_traditional not
6973 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6974 CPP_WTRADITIONAL (pfile).
6975 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6976 be ignored in -traditional mode here.
6978 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6979 to initialize speccase[] and trigraph_map[]. Delete all
6980 references to pfile->input_speccase. Always treat '?' as a
6981 special character. Remove table-initialization code from
6982 _cpp_init_input_buffer.
6984 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6985 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6987 2000-04-01 Richard Henderson <rth@cygnus.com>
6989 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6990 (mostlyclean): Likewise.
6992 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6993 (struct dump_file_info, enum dump_file_index, dump_file): New.
6994 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6995 not a string. Clean out file if we havn't yet done so. Do nothing
6996 if the dump isn't enabled.
6997 (close_dump_file): Do nothing if the dump isn't open. Dump
6998 graph data if requested.
6999 (dump_rtl, clean_dump_file): Remove.
7000 (compile_file): Don't clean the dump files. Only finalize .bp dump
7001 if flag_test_coverage or flag_branch_probabilities. Only finalize
7002 .combine dump if optimizing. Iterate over dump_file to finalize the
7004 (rest_of_compilation): Update for open_dump_file/close_dump_file.
7005 Convert all uses of dump_rtl.
7006 (decode_d_option): Iterate over dump_file to implement 'a' and to
7007 locate pass-specific dumps.
7009 2000-04-01 Neil Booth <NeilB@earthling.net>
7011 * cppexp.c: Redefine priority constants.
7012 (_cpp_parse_expr): Replace left and right priority scheme with
7013 single priority logic. Move LOGICAL to same place as COMPARE.
7014 Remove bogus check for multiple unary +/- operators.
7016 2000-04-01 Neil Booth <NeilB@earthling.net>
7018 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
7019 within the switch statement. Binary operations break out of
7020 the switch naturally. '(' tokens handled by forcing
7021 immediate shift. ')' handled by forcing immediate reduce to
7022 the previous '('. New error messages.
7024 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7026 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7027 part', it's already in use. Use %K instead. Add a return at the
7028 end of what is now %K.
7029 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7031 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7033 * builtins.c (expand_builtin_apply): Pass proper parameters to
7034 allocate_dynamic_stack_space.
7035 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7036 update stack_pointer_delta; do not update arg_size_so_far.
7037 (compute_argument_block_size): Use stack_delta instead of
7038 stack_pointer_pending and arg_size_so_far.
7039 (expand_call): Add sanity checking for stack_pointer_delta;
7040 save and restore stack_pointer_delta for SIB, use
7041 stack_pointer_delta for alignment; do not update arg_space_so_far.
7042 (emit_library_call_value): Use stack_pointer_delta for alignment.
7043 (store_one_arg): Do not update arg_space_so_far.
7044 * explow.c (adjust_stack, anti_adjust_stack): Update
7045 stack_pointer_delta.
7046 (allocate_dynamic_stack_space): Add sanity checking for
7047 stack_pointer_delta.
7048 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7049 stack_pointer_delta.
7050 (emit_push_insn): Update stack_pointer_delta.
7051 * function.h (struct expr_status): Add x_stack_pointer_delta;
7052 remove x_arg_space_so_far.
7053 (arg_space_so_far): Remove.
7054 (stack_pointer_delta): New macro.
7056 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7058 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7059 Reorder struct cpp_options and struct cpp_reader for better
7060 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7061 takes two args. Change all 'char' flags to 'unsigned char'.
7062 Move show_column flag into struct cpp_options. Don't
7063 prototype cpp_options_init.
7064 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7065 cppinit.c, cpplex.c, cpplib.c:
7066 Replace CPP_OPTIONS (pfile)->whatever with
7067 CPP_OPTION (pfile, whatever), and likewise for
7068 opts = CPP_OPTIONS (pfile); ... opts->whatever;
7070 * cppinit.c (merge_include_chains): Take a cpp_reader *.
7071 Extract CPP_OPTION (pfile, pending) and work with that
7073 (cpp_options_init): Delete.
7074 (cpp_reader_init): Turn on on-by-default options here.
7075 Allocate the pending structure here.
7076 (cl_options, enum opt_code): Define these from the same table,
7077 kept in a large macro. Add -fshow-column and -fno-show-column
7080 * cpperror.c (v_message): If show_column is off, don't print
7083 * cppmain.c: Update for new interface.
7084 * fix-header.c: Likewise.
7086 2000-03-30 Geoff Keating <geoffk@cygnus.com>
7088 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
7090 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
7091 are passed to any invocation of AR_FOR_TARGET.
7092 (AR_CREATE_FOR_TARGET): New macro.
7093 (AR_EXTRACT_FOR_TARGET): New macro.
7094 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7095 AR_EXTRACT_FOR_TARGET.
7096 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7097 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7098 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7099 AR_EXTRACT_FOR_TARGET to sub-makes.
7101 2000-03-31 Neil Booth <NeilB@earthling.net>
7103 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7105 (_cpp_parse_expr): Check for multiple unary +/- operators.
7106 Correct priorities of ':' and '?'. Treat ')' as having a
7107 value. Ensure conditional expression is not void.
7109 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7111 * alias.c (canon_rtx): Make it global.
7112 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7114 * cse.c (struct table_elt): Add canon_exp.
7116 (invalidate): Canonicalize expressions only once.
7117 * rtl.h (canon_rtx): Declare.
7119 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7121 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7122 * alias.c (reg_known_value): Add comments.
7123 (init_alias_analysis): Likewise.
7124 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7126 (cse_basic_block): Fix typo in comment.
7127 * emit-rtl.c: Include hashtab.h.
7128 (const_int_htab): New variable.
7129 (const_int_htab_hash): New function.
7130 (const_int_htab_eq): Likewise.
7131 (rtx_htab_mark_1): Likewise.
7132 (rtx_htab_mark): Likewise.
7133 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7134 (unshare_all_rtx): Fix formatting.
7135 (init_emit_once): Initialize const_int_htab.
7136 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7138 * rtl.texi: Document the fact that all CONST_INTs with the same
7141 2000-03-30 Richard Henderson <rth@cygnus.com>
7143 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7145 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7147 * configure.in: Comment out --enable-c-cpplib stanza.
7148 * configure: Regenerate.
7150 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7152 * expr.c (store_constructor): Properly compute displacement and
7153 alignment when offset is variable.
7155 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7156 cases of alignment in bytes.
7158 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7160 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7161 since it is used to generate c-parse.y.
7162 * objc-parse.c, objc-parse.y: Regenerated.
7164 * function.c (expand_function_end): Pass alignment argument to
7165 emit_block_move in bits, not bytes.
7167 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7169 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7172 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7174 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7175 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7176 * function.c (assign_parms): Likewise.
7177 * integrate.c (expand_inline_function): Likewise.
7178 * stmt.c (expand_decl): Likewise.
7179 (copy_rtx_and_substitute): Likewise.
7180 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7181 (clear_by_pieces): Fix error in last change.
7182 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7183 * function.h (regno_pointer_align): Now unsigned.
7184 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7186 * config/i386/i386.c (aligned_operand): Likewise.
7187 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7188 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7189 (unaligned_memory_operand): Likewise.
7190 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7191 Also make alignments and sizes unsigned and some whitespace cleanup.
7192 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7194 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7195 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7196 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7197 (expand_builtin_memset): Likewise, but to clear_storage.
7198 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7199 (restore_fixed_argument_area): Likewise.
7200 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7201 (load_register_parameters): Likewise, to emit_group_load.
7202 (expand_call): Likewise, to emit_group_store and emit_block_move.
7203 (emit_library_call_value_1): Likewise, to emit_block_move.
7204 (store_one_arg): Likewise, and to emit_push_insn.
7205 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7206 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7207 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7208 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7209 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7210 (expand_assigment, store_expr, store_constructor_field): Likewise.
7211 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7212 (store_constructor, store_field, get_inner_reference): Likewise.
7213 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7214 (expand_expr, case COMPONENT_REF): Likewise.
7215 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7216 and positions; reindent code.
7217 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7218 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7219 (assign_parms): Likewise to emit_group_store.
7220 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7221 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7222 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7223 (expand_return): Likewise to {extract,store}_bit_field.
7224 * stor-layout.c (get_mode_alignment): Minor cleanup.
7225 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7226 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7228 2000-03-29 Nick Clifton <nickc@cygnus.com>
7230 * config/arm/arm.h: Undo effects of previous delta:
7231 (ASM_SPEC): Do not define.
7232 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7234 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7237 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7239 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7240 only after reading in the primary source file.
7242 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7244 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7245 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7246 or a reference to a va_list.
7247 * builtins.c (stabilize_va_list): Simplify now we don't have to
7248 work around C array address decay.
7249 * c-typeck.c (convert_for_assignment): Handle assignment to
7250 a reference parameter by taking the address of the RHS.
7251 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7252 (va_copy): Likewise.
7253 (__va_copy): Likewise.
7254 * ginclude/varargs.h (va_start): Likewise.
7255 (__va_copy): Likewise.
7257 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7259 * i386/djgpp.h: Remove extraneous "+".
7261 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7263 * calls.c (expand_call): Fix typo in last change.
7265 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7267 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7270 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7272 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7273 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7274 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7275 * tree.c (bit_position, byte_position): Likewise.
7276 * tree.h: Declare new functions.
7278 2000-03-29 Nick Clifton <nickc@cygnus.com>
7280 * config/arm/arm.c: Minor formatting changes/
7281 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7283 (ASM_SPEC): Define if not already defined.
7285 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7287 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7290 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7292 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7293 value, don't output it as unsigned.
7295 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7297 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7299 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7301 * c-common.c (c_common_nodes_and_builtins): Don't special case
7302 cplus_mode when declaring builtin bzero/bcmp, always avoid
7303 prototype arguments.
7305 2000-03-29 Bruce Korb <bkorb@gnu.org>
7307 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7310 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7312 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7313 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7314 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7315 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7316 (save_fixed_argument_area, restore_fixed_argument_area):
7317 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7318 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7319 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7320 (precompute_register_parameters): Avoid #ifdefs on
7321 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7322 (stire_one_args): Likewise.
7323 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7324 (emit_library_call_value_1): Likewise.
7325 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7326 ACCUMULATE_OUTGOING_ARGS.
7327 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7329 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7330 (use_crosses_set_p): Likewise.
7331 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7332 #define ACCUMULATE_OUTGOING_ARGS 1.
7333 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7335 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7337 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7338 (TARGET_SWITCHES): Add push-args, no-push-args,
7339 accumulate-outgoing-args and no-accumulate-outgoing-args.
7340 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7341 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7342 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7344 (emit_push_insn): Likewise.
7345 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7346 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7347 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7348 (STACK_DYNAMIC_OFFSET): Define correctly for both
7349 ACCUMULATE_OUTGOING_ARGS and normal mode.
7350 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7351 * tm.texi (PUSH_ARGS): Document.
7352 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7354 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7356 * flags.h (flag_optimize_sibling_calls): Declare.
7357 * calls.c (expand_call): Fail sibcall when
7358 !flag_optimize_sibling_calls
7359 * invoke.texi (flag_optimize_sibling_calls): Document.
7360 * toplev.c (flag_optimize_sibling_calls): New global variable.
7361 (f_options): Add flag_optimize_sibling_calls.
7362 (rest_of_compilation): Conditionize
7363 optimize_sibling_and_tail_recursive_calls by
7364 flag_optimize_sibling_calls.
7365 (main): Set flag_optimize_sibling_calls for -O2.
7366 * stmt.c (expand_return): Conditionize tail recursion by
7367 flag_optimize_sibling_calls.
7369 2000-03-29 Richard Henderson <rth@cygnus.com>
7371 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7372 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7374 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7376 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7378 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7380 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7382 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7383 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7384 * config/rs6000/aix.h: then modified likewise.
7386 2000-03-28 Richard Henderson <rth@cygnus.com>
7388 * rtl.h: Redistribute enum reg_note documentation.
7389 Kill trailing whitespace.
7390 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7391 Kill trailing whitespace.
7393 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7395 * cppfiles.c (hash_IHASH): Just return i->hash.
7396 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7397 htab_find_with_hash.
7398 (cpp_read_file): Likewise.
7399 (find_include_file): Likewise. Properly initialize
7400 ih->nshort. Share ih->name and ih->nshort if possible.
7401 * cpphash.c (_cpp_calc_hash): New function.
7402 (hash_HASHNODE): Just return h->hash.
7403 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7404 htab_find_with_hash.
7405 * cpphash.h: Prototype _cpp_calc_hash.
7406 * cppinit.c (initialize_builtins): Provide a valid hash
7407 to _cpp_make_hashnode, using _cpp_calc_hash.
7409 * cpphash.c (collect_expansion): # is not a special character
7410 in object-like macros. In -traditional mode, /**/ is not
7411 token paste at the beginning or end of the line.
7412 * cpplib.c (do_include, do_import, do_include_next): If
7413 parse_include fails, return immediately.
7415 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7417 * config/arm/arm.md (return peepholes): Update to reflect the new
7419 * config/arm/arm.c (arm_volatile_func): Also check
7420 current_function_nothrow.
7421 (output_return_instruction, output_func_prologue): Use it.
7422 (arm_output_epilogue, arm_expand_prologue): Likewise.
7424 2000-03-27 Tom Tromey <tromey@cygnus.com>
7426 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7429 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7431 * expr.c (store_constructor): SIZE now signed.
7432 For EXPR_SIZE, don't evaluate size; just needed if constant.
7433 * fold-const.c (fold): Fix a number of cases when folded tree is
7435 * function.c (flush_addressof): Reenable.
7436 * tree.h (flush_addressof): Likewise.
7437 * toplev.c (independent_decode_option): Look at strings_processed.
7438 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7440 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7442 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7443 Allow stack adjustment after function call.
7445 * regmove.c (struct csa_memlist): Make mem field rtx *.
7446 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7447 (try_apply_stack_adjustment): Replace whole MEM rtx.
7448 (combine_stack_adjustments_for_block): Update calls
7449 to record_one_stack_ref.
7451 2000-03-28 Neil Booth <NeilB@earthling.net>
7453 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7454 '\\' rather than a null character, so nulls are not special. Fix
7455 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7456 speed trigraph conversion.
7457 (_cpp_init_input_buffer): Initialize trigraph map.
7459 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7461 * config/i386/i386.c (output_387_binary_op): Correct intel
7462 mode assembly output, and add spaces after commas in AT&T
7463 output. Correct Unixware assembler comment. Document input
7464 constraints. Comment fp operations. Reduce profligate buffer
7465 size. Remove extraneous abort. Localize temp var.
7466 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7467 (output_fix_trunc): Add spaces after commas in assembly output.
7469 2000-03-27 Richard Henderson <rth@cygnus.com>
7471 * i386-protos.h (ix86_match_ccmode): Declare.
7472 * i386.c (ix86_match_ccmode): New.
7473 (ix86_expand_fp_compare): Update for pattern renames.
7474 (ix86_expand_strlensi_unroll_1): Likewise.
7475 * i386.h (EXTRA_CC_MODES): Add CCZ.
7476 (SELECT_CC_MODE): Use it for EQ/NE zero.
7477 * i386.md (cmpsi_ccz_1): New.
7479 (*testsi_ccz_1): New.
7480 (testqi_ccz_1): New.
7481 (cmpsi_ccno_1): Rename from cmpsi_0.
7482 (testsi_ccno_1): Rename from testsi_1.
7483 (testqi_ccno_1): Rename from testqi_1.
7484 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7485 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7486 (*cmphi_0): Use ix86_match_ccmode.
7487 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7488 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7489 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7490 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7491 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7492 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7493 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7494 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7495 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7496 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7497 (appropriate peepholes): Likewise.
7498 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7499 (*subsi_3, *subhi_3, *subqi_3): Remove.
7500 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7501 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7502 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7503 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7504 (x86_shift_adj_1): Use CCZ.
7505 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7507 2000-03-27 Stan Cox <scox@cygnus.com>
7509 * resource.h (mark_resource_type): New.
7510 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7511 find_free_register): Use mark_resource_type.
7512 (mark_set_resources): Change include_delayed_effects
7513 to mark_resource_type.
7514 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7515 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7516 Use mark_resource_type.
7518 2000-03-27 Richard Henderson <rth@cygnus.com>
7520 * i386.md (call_pop_0, call_value_pop_0): New.
7521 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7522 (call_value_pop_1): Likewise.
7523 (call_0, call_value_0): New.
7524 (call_1, call_value_1): Remove constraint from unused arg.
7526 2000-03-27 Nick Clifton <nickc@cygnus.com>
7528 * invoke.texi (Spec Files): Document new spec % command created by
7529 Tom Tromey's recent patch.
7531 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7533 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7536 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7538 * expr.c (expand_assignment): Fix typo in last change.
7540 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7542 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7544 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7545 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7546 and DECL_INLINE if FUNCTION_DECL.
7547 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7548 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7549 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7550 (combine_parm_decls): Likewise.
7551 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7552 * print-tree.c (print_node): Likewise.
7553 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7554 DECL_TRANSPARENT_UNION on proper decl types.
7555 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7556 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7557 DECL_BIT_FIELD of FIELD_DECL.
7558 * tree.h (DECL_RESULT_FLD): New macro.
7560 * expr.c (expand_assignment): Add code to handle variable-sized
7563 2000-03-26 Richard Henderson <rth@cygnus.com>
7565 * calls.c (expand_call): Pass parms not original exp to
7566 optimize_tail_recursion. Mind return value instead of looking
7568 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7569 call_expr. Move checks for call_expr and current_function_decl ...
7570 (expand_return): ... here.
7572 2000-03-26 Tom Tromey <tromey@cygnus.com>
7574 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7575 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7577 (process_command): Use them.
7578 (check_live_switch): Likewise.
7579 (give_switch): Skip ignored switches.
7581 2000-03-26 Jan Hubicka <jh@suse.cz>
7583 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7584 for minimal jump pass test.
7586 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7588 * integrate.c (function_cannot_inline_p): Do inline functions that
7591 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7593 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7594 now a list of TREE_LIST entries, not types.
7595 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7597 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7598 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7600 * config/mips/mips.c (function_arg): Likewise; also remove cast
7601 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7602 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7603 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7604 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7605 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7606 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7607 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7608 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7609 num_adjusts now unsigned.
7610 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7611 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7613 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7614 as is BITPOS variable; use host_integerp and int_bit_position.
7615 (function_arg_record_value_2): Likewise.
7616 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7617 Variable REGNO now unsigned.
7618 (function_arg_record_value): NREGS now unsigned.
7620 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7622 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7624 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7626 * Rework fields used to describe positions of bitfields and
7627 modify sizes to be unsigned and use HOST_WIDE_INT.
7628 * alias.c (reg_known_value_size): Now unsigned.
7629 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7630 (really_start_incremental_init): Use bitsize_zero_node.
7631 (push_init_level, pop_init_level, output_init_element): Likewise.
7632 Use bitsize_unit_node and bitsize_one_node.
7633 (output_pending_init_elements, process_init_element): Likewise.
7634 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7635 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7636 HOST_WIDE_INT, respectively.
7637 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7638 (num_sign_bit_copies): Returns unsigned.
7639 BITWIDTH now unsigned; rework arithmetic.
7640 Remove recursive call from arg to MAX.
7641 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7642 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7644 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7645 (find_split_point, expand_compound_operation, make_extraction): LEN
7646 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7647 (make_field_assignment): Likewise.
7648 (combine_simplify_rtx): Add cast.
7649 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7650 (force_to_mode): WIDTH now unsigned; add cast.
7651 (if_then_else_cond): SIZE now unsigned.
7652 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7653 (extended_count): Now returns unsigned.
7654 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7655 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7656 (simplify_comparison): MODE_WIDTH now unsigned.
7657 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7658 (mark_used_regs_combine): Likewise; rework arithmetic.
7659 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7660 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7661 (record_promoted_value): REGNO now unsigned.
7662 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7663 (get_last_value): REGNO now unsigned.
7664 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7665 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7666 (remove_death): Arg REGNO now unsigned.
7667 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7668 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7670 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7671 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7672 (struct cse_reg_info): REGNO now unsigned.
7673 (cached_regno): Now unsigned.
7674 (REGNO_QTY_VALID_P): Add cast.
7675 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7676 (remove_invalid_regs): Likewise.
7677 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7678 as are variables END and I.
7679 (get_cse_reg_info, insert): Likewise.
7680 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7681 (canon_hash): Likewise.
7682 (insert_regs, lookup_for_remove): REGNO now unsigned.
7683 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7685 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7686 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7687 * emit-rtl.c (subreg_realpart_p): Add cast.
7688 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7689 (operand_subword_force): Arg I is now unsigned.
7690 * except.c (eh_regs): Variable I is now unsigned.
7691 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7692 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7693 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7694 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7695 (extract_split_bit_field, store_bit_field, extract_bit_field):
7697 * expr.c (store_constructor_fields, store_constructor, store_field):
7698 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7699 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7700 (do_jump): Likewise.
7701 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7702 MAX_SIZE is now unsigned.
7703 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7704 (emit_group_store): Likewise.
7705 (emit_move_insn): I now unsigned.
7706 (store_constructor): Use host_integerp, tree_low_cst, and
7708 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7709 Rework all calculations to use trees and new fields.
7710 * expr.h (promoted_input_arg): Regno now unsigned.
7711 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7712 (mark_seen_cases): Arg is HOST_WIDE_INT.
7713 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7714 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7715 precisions and alignments are unsigned.
7716 (optimize_bit_field_compare, fold_truthop): Likewise.
7717 (int_const_binop): Adjust threshold for size_int_type_wide call.
7718 (fold_convert): Likewise.
7719 (size_int_type_wide): Make table larger and fix thinko that only
7720 had half of table used.
7721 (all_ones_mask_p, fold): Precisions are unsigned.
7722 * function.c (put_reg_info_stack): REGNO is unsigned.
7723 (instantiate_decl): Size is HOST_WIDE_INT.
7724 (instantiate_virtual_regs): I is unsigned.
7725 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7726 (promoted_input_arg): REGNO is unsigned.
7727 * function.h (struct function): x_max_parm_reg is now unsigned.
7728 * gcse.c (max_gcse_regno): Now unsigned.
7729 (struct null_pointer_info): min_reg and max_reg now unsigned.
7730 (lookup_set, next_set): REGNO arg now unsigned.
7731 (compute_hash_table): REGNO and I now unsigned.
7732 (handle_avail_expr): regnum_for_replacing now unsigned.
7733 (cprop_insn): REGNO now unsigned.
7734 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7735 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7736 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7737 * hard-reg-set.h (reg_class_size): Now unsigned.
7738 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7739 * jump.c (mark_modified_reg): I now unsigned; add cast.
7740 (rtx_equal_for_thread_p): Add cast.
7741 * loop.c (max_reg_before_loop): Now unsigned.
7742 (struct_movable): REGNO now unsigned.
7743 (try_copy_prop): REGNO arg unsigned.
7744 (regs_match_p): XN and YN now unsigned.
7745 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7746 (strength_reduce): Likewise; NREGS also unsigned.
7747 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7748 * loop.h (struct iv_class): REGNO now unsigned.
7749 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7751 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7752 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7753 * optabs.c (expand_binop): I and NWORDS now unsigned.
7754 (expand_unop): I now unsigned.
7755 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7756 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7757 * real.c (significand_size): Now returns unsigned.
7758 * real.h (significand_size): Likewise.
7759 * regclass.c (reg_class_size): Now unsigned.
7760 (choose_hard_reg_mode): Both operands now unsigned.
7761 (record_reg_classes): REGNO and NR now unsigned.
7762 (reg_scan): NREGS now unsigned.
7763 (reg_scan_update): old_max_regno now unsigned.
7764 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7765 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7766 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7767 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7768 Likewise for variable R.
7769 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7770 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7771 (find_equiv_reg): Add casts.
7772 (regno_clobbered_p): Arg REGNO now unsigned.
7773 * reload.h (struct reload): NREGS now unsigned.
7774 (refers_to_regno_for_reload_p): Regno args are unsigned.
7775 (regno_clobbered_p): Likewise.
7776 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7777 (compute_use_by_pseudos): REGNO now unsigned.
7778 (find_reg): I and J now unsigned, new variable K, and change loop
7779 variables accordingly; THIS_NREGS now unsigned.
7780 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7781 (spill_hard_reg): REGNO arg now unsigned; add casts.
7782 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7783 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7784 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7785 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7786 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7787 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7788 (emit_reload_insns): REGNO now unsigned.
7789 (reload_cse_move2add): Add cast.
7790 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7792 * resource.c (mark_referenced_resources, mark_set_resources): New
7793 variable R; REGNO and LAST_REGNO now unsigned.
7794 (mark_target_live_regs): J and REGNO now unsigned.
7795 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7796 * rtl.h (union rtunion_def): New field rtuint.
7797 (XCUINT): New macro.
7798 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7799 (operand_subword, operand_subword_force): Word number is unsigned.
7800 (choose_hard_reg_mode): Operands are unsigned.
7801 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7802 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7803 (regno_use_in, combine_instructions, remove_death): Likewise.
7804 (reg_scan, reg_scan_update): Likewise.
7805 (extended_count): Return is unsigned.
7806 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7807 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7808 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7809 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7810 (reg_reg_last_1): FIRS and LAST now unsigned.
7811 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7812 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7814 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7815 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7816 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7817 (replace_regs): Arg NREGS now unsigned.
7818 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7819 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7820 (simplify_binary_operation): Likewise.
7821 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7822 THIS_LAST now unsigned.
7823 (cselib_record_set): Add cast.
7824 * ssa.c (ssa_max_reg_num): Now unsigned.
7825 (rename_block): REGNO now unsigned.
7826 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7828 (all_cases_count): Just return -1 not -2.
7829 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7830 Rework tests to use trees whenever possible.
7831 Use host_integerp and tree_low_cst.
7832 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7833 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7834 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7835 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7836 (smallest_mode_for_size): Likewise.
7837 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7838 KNOWN_ALIGN is now an alignment, so simplify code.
7839 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7840 (start_record_layout): Renamed from new_record_layout_info.
7841 Update to new fields.
7842 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7844 (place_union_field): Renamed from layout_union_field.
7845 Update to use new fields in rli.
7846 (place_field): Renamed from layout_field.
7847 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7848 (finalize_record_size): Rework to use new fields in rli and handle
7850 (compute_record_mode): Rework to simplify and to use new DECL fields.
7851 (finalize_type_size): Make rounding more consistent.
7852 (finish_union_layout): Deleted.
7853 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7854 (layout_type, case RECORD_TYPE): Call new function names.
7855 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7856 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7857 (get_best_mode): UNIT is now unsigned; remove casts.
7858 * tree.c (bit_position): Compute from new fields.
7859 (byte_position, int_byte_position): New functions.
7860 (print_type_hash_statistics): Cast to remove warning.
7861 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7862 (build_index_type): Likewise; make subtype of sizetype.
7863 (build_index_2_type): Pass sizetype to build_range_type.
7864 (build_common_tree_nodes): Use size_int and bitsize_int to
7865 initialize nodes; add bitsize_{zero,one,unit}_node.
7866 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7867 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7868 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7869 (DECL_FIELD_BITPOS): Deleted.
7870 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7871 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7872 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7873 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7874 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7875 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7876 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7877 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7878 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7879 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7880 (DECL_ALIGN): Adjust to new field in union.
7881 (DECL_OFFSET_ALIGN): New field.
7882 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7883 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7884 (union tree_decl): Add struct for both aligns.
7885 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7886 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7887 (struct record_layout_info): Rework fields to have offset
7888 alignment and byte and bit position.
7889 (start_record_layout, place_field): Renamed from old names.
7890 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7891 (byte_position, int_byte_position): Likewise.
7892 (get_inner_reference): Change types of position and length.
7893 * unroll.c (unroll_loop): New variable R; use for some loops.
7894 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7895 (calculate_giv_inc): Arg REGNO now unsigned.
7896 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7897 * varasm.c (assemble_variable): Clean up handling of size using
7898 host_integerp and tree_low_cst.
7899 (decode_addr_const): Use byte, not bit, position.
7900 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7901 use tree_low_cst and int_bit_position.
7902 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7904 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7906 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7907 (reorder_block_def): New members eff_head and eff_end.
7908 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7909 (verify_insn_chain): New function.
7910 (skip_insns_between_block): Add code to skip deleted insns.
7911 Check for note before using.
7912 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7913 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7914 Check for note before using.
7915 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7916 (fixup_reorder_chain): Restructure, clean up, defect removal.
7917 (reorder_basic_blocks): Remove last_insn and references to it.
7918 Moved insn chain verification code into a new function (see above).
7919 Delete defective code that sets last insn.
7920 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7923 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7925 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7927 2000-03-24 Richard Henderson <rth@cygnus.com>
7929 * tree.c (lang_safe_for_unsave): Remove.
7930 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7931 allowing for two levels of unsafeness. Remove lang hook.
7932 * tree.h: Update declarations.
7933 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7934 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7935 Always fail sibcalls when there are pending cleanups.
7937 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7939 * flow.c (propagate_block): When we delete an ADDR_VEC,
7940 also delete the BARRIER following it if there is one.
7942 2000-03-24 Richard Henderson <rth@cygnus.com>
7944 * builtins.c (expand_builtin_bzero): Convert `length' argument
7947 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7949 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7950 comparison if regno's are equal.
7951 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7952 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7953 (expand_call): Update caller.
7954 Avoid making a sibling call if argument size of the callee is larger
7955 than argument size of the caller.
7956 Call hard_function_value with outgoing set if in sibcall pass.
7957 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7959 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7960 Change LEAF_REGISTERS from an array initializer to actual array
7961 identifier. Move static global variable into the function.
7962 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7963 sequences for leaf functions.
7964 * global.c (global_alloc): Likewise.
7965 * tm.texi (LEAF_REGISTERS): Update documentation.
7967 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7968 TARGET_FLAT leaf disabling hack.
7969 (LEAF_REGISTERS): Changed from an array initializer to actual array
7970 identifier to avoid duplication and remove the above hack.
7971 (FUNCTION_OK_FOR_SIBCALL): Define.
7972 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7973 always like call attribute.
7974 (eligible_for_sibcall_delay): New attribute.
7975 (sibcall): New delay type.
7976 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7977 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7978 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7979 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7980 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7982 (output_function_epilogue): Move part of the code into
7983 output_restore_regs.
7984 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7986 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7989 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7990 until infrastructure is finished.
7992 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7994 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7995 (save_parm_insns): Not here.
7997 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7999 * builtins.c (expand_builtin_bzero): New function.
8000 (expand_builtin): Handle bzero.
8002 * builtins.def: Add BUILT_IN_BZERO.
8004 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8005 prototype & function for bzero.
8007 2000-03-23 Michael Meissner <meissner@redhat.com>
8009 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
8010 change adding TARGET_FP to the TF floating point insns, except for
8011 trunctfsf2, which generates direct calls to truncdfsf2.
8013 2000-03-23 Geoff Keating <geoffk@cygnus.com>
8015 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
8016 try to protect against middle-end changes that break binary
8018 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8020 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8022 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
8024 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8026 * calls.c (expand_call): If TARGET is passed by reference and
8027 is readonly, write a CLOBBER.
8029 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8031 * builtins.c (expand_builtin): Handle bcmp.
8033 * builtins.def: Add BUILT_IN_BCMP.
8035 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8036 prototype & function for bcmp.
8038 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8040 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8041 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8042 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8044 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8046 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8047 alternative when using -fp64 -gp32.
8049 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8051 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8052 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8053 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8055 * frame.h (frame_state): Revert last change.
8056 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8057 * libgcc2.c (throw_helper): Revert last change.
8059 2000-03-22 Richard Henderson <rth@cygnus.com>
8061 * stmt.c (expand_asm_operands): Don't promote the temporary.
8063 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8065 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8066 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8067 c_get_alias_set): Likewise.
8068 * c-decl.c (duplicate_decls): Likewise.
8069 * c-typeck.c (default_conversion,build_unary_op): Likewise.
8070 * calls.c (initialize_argument_information): Likewise.
8071 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
8073 * dwarfout.c (decl_class_context,output_type): Likewise.
8074 * expr.c (get_inner_reference): Likewise.
8075 * fold-const.c (simple_operand_p,fold): Likewise.
8076 * function.c (aggregate_value_p): Likewise.
8077 * stmt.c (expand_asm_operands): Likewise.
8078 * varasm.c (named_section): Likewise.
8080 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8082 Implement dwarf2 exception handling for the ARM.
8083 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
8084 (DWARF_FRAME_RETURN_COLUMN): Define.
8085 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
8086 REG_FRAME_RELATED_EXPR note.
8087 (emit_sfm): Likewise.
8088 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
8089 * dwarf2out.c (reg_save): Handle saving a register to itself.
8090 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
8091 * except.c (eh_regs): Don't use the static chain reg if it's
8093 * frame.h (frame_state): Add cfa_saved field.
8094 * frame.c (execute_cfa_insn): Set it.
8095 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8097 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8099 (instantiate_virtual_regs): Adjust.
8101 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8102 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8103 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8105 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8106 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8108 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8110 * builtins.def: New file.
8112 * Makefile.in (TREE_H): Depend on builtins.def.
8114 * builtins.c (built_in_names): Use builtins.def.
8116 * tree.h (built_in_function): Likewise.
8118 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8120 * tree.c (size_in_bytes): Return size_zero_node, not
8123 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8125 * config/fp-bit.c (pack_d): Correct the case when a denormal
8126 is rounded up and stops being denormal.
8128 2000-03-21 Richard Henderson <rth@cygnus.com>
8130 * config/alpha/alpha.c (function_arg): Check for void_type_node
8131 before using MUST_PASS_IN_STACK.
8133 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8135 * regmove.c (combine_stack_adjustments_for_block): Check that
8136 the stack pointer is a valid memory address.
8138 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8140 * calls.c: re-install Mar 16 emit_library_call merge.
8142 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8144 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8145 we cannot be sure that if reload_completed base register will
8146 be properly aligned.
8148 2000-03-21 Richard Henderson <rth@cygnus.com>
8150 * flow.c (delete_block): Fix typo last change.
8152 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8154 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8155 not COMPLETE_TYPE_P, to check the type of the expression.
8157 2000-03-21 Michael Meissner <meissner@redhat.com>
8159 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8160 all floating point insns that just tested the macro
8161 TARGET_HAS_XFLOATING_LIBS.
8162 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8163 used to only use the gprs.
8165 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8167 * tree.h (COMPLETE_TYPE_P): New macro.
8168 (COMPLETE_OR_VOID_TYPE_P): New macro.
8169 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8170 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8171 * c-aux-info.c (gen_type): Use them.
8172 * c-common.c (c_expand_expr_stmt): Likewise.
8173 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8174 grokdeclarator, grokparms, finish_struct, start_function,
8175 store_parm_decls, combine_parm_decls): Likewise.
8176 * c-parse.y (cast_expr): Likewise.
8177 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8178 c_size_in_bytes, c_alignof, build_component_ref,
8179 build_indirect_ref, build_array_ref, convert_arguments,
8180 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8181 * calls.c (initialize_argument_information): Likewise.
8182 * convert.c (convert_to_integer): Likewise.
8183 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8184 * dwarfout.c (location_or_const_value_attribute,
8185 output_enumeration_type_die, output_structure_type_die,
8186 output_union_type_die, output_type): Likewise.
8187 * expr.c (safe_from_p, expand_expr): Likewise.
8188 * function.c (assign_parms): Likewise.
8189 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8190 * tree.c (build_array_type, build_function_type,
8191 build_method_type, build_offset_type, build_complex_type): Likewise.
8192 * c-parse.c, c-parse.h: Regenerated.
8194 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8196 * config/c4x/rtems.h: Include config/rtems.h.
8198 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8200 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8201 decl is a FUNCTION_DECL
8203 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8205 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8206 function uses output registers. Don't save RP for leaf functions.
8207 Do save RP even if no epilogue.
8208 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8209 (CALL_USED_REGISTERS): Unmark in registers.
8210 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8213 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8215 * config/rs6000/rs6000.md (bunordered): New expander.
8216 (bordered): New expander.
8217 (buneq): New expander.
8218 (bunge): New expander.
8219 (bungt): New expander.
8220 (bunle): New expander.
8221 (bunlt): New expander.
8222 (bltgt): New expander.
8224 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8225 (ccr_bit_negated_p): New function.
8226 (print_operand): For %C, generate appropriate cror for UNEQ,
8227 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8229 2000-03-20 Andreas Jaeger <aj@suse.de>
8231 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8234 * tree.h (safe_for_unsave): Prototype.
8236 2000-03-20 Richard Henderson <rth@cygnus.com>
8238 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8239 (combine_stack_adjustments_for_block): Don't allow sp references
8240 in the side of a set we're not fixing up.
8241 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8242 after life_analysis.
8244 2000-03-20 Richard Henderson <rth@cygnus.com>
8246 * calls.c (expand_call): Don't bother generating tail call
8247 sequences if there are pending cleanups. Use
8248 expand_start_target_temps/expand_end_target_temps to elide
8249 cleanups created during sibcall expansion.
8251 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8253 * configure.in: Set $IFS to a value if it doesn't already have one
8254 in the --enable-checking handling.
8255 * configure: Regenerate.
8257 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8259 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8260 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8263 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8265 * jump.c (delete_noop_moves): Remove code attempting to
8266 combine stack adjustments.
8268 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8270 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8271 * except.c (emit_cleanup_handler): Use them.
8272 (expand_end_all_catch): Likewise.
8273 * function.c (fixup_var_refs): Likewise.
8274 (expand_function_end): Clear catch_clauses_last.
8275 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8276 * except.h (struct eh_status): New field x_catch_clauses_last.
8277 (catch_clauses_last): New define.
8279 * Makefile.in (tree.o): Depend on HASHTAB_H.
8280 * tree.c: Include hashtab.h.
8281 (struct type_hash): Remove next field.
8282 (TYPE_HASH_SIZE): Remove.
8283 (TYPE_HASH_INITIAL_SIZE): New define.
8284 (type_hash_table): Change type to htab_t.
8285 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8286 mark_hash_entry): New functions.
8287 (init_obstacks): Allocate type hash.
8288 (type_hash_lookup): Use htab functions.
8289 (type_hash_add, mark_type_hash): Likewise.
8290 (dump_tree_statistics): Call print_type_hash_statistics.
8292 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8294 * rs6000/t-aix41: New file.
8296 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8298 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8300 * tm.texi (Driver): Fix typos and tweak entry for
8302 Move misplaced STRUCT_FORCE_BLK entry ...
8303 (Storage Layout): ... to here.
8304 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8306 2000-03-19 Richard Henderson <rth@cygnus.com>
8308 * flow.c (delete_block): Delete the addr_vec along with the block.
8309 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8312 * fold-const.c (extract_muldiv): Apply type check for defined
8313 overflow to multiply as well as divide.
8315 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8317 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8319 * emit-rtl.c (remove_unncessary_notes): Check that all
8320 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8321 associated NOTE_BLOCK.
8322 * function.h (identify_blocks): Update comments.
8323 (reorder_blocks): Declare.
8324 * function.c (identify_blocks): Don't take paramters.
8325 (reorder_blocks): Don't take parameters.
8326 * loop.h (find_loop_tree_blocks): Remove.
8327 (unroll_block_trees): Likewise.
8328 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8329 reorder_blocks instead of unroll_block_trees.h
8330 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8331 * stmt.c (find_loop_tree_blocks): Remove.
8332 (unroll_block_trees): Likewise.
8333 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8334 in whole-function mode.
8335 * tree.h (reorder_blocks): Remove declaration.
8337 * expr.c: Include intl.h.
8338 * Makefile.in (expr.o): Depend on intl.h.
8340 2000-03-18 Richard Henderson <rth@cygnus.com>
8342 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8344 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8346 * tree.h (tree_index): Remove enumerals for integer types.
8347 (integer_type_kind): New type.
8348 (integer_types): New variable.
8349 (char_type_node): Adjust.
8350 (signed_char_type_node): Likewise.
8351 (unsigned_char_type_node): Likewise.
8352 (short_integer_type_node): Likewise.
8353 (short_unsigned_type_node): Likewise.
8354 (integer_type_node): Likewise.
8355 (unsigned_type_node): Likewise.
8356 (long_integer_type_node): Likewise.
8357 (long_unsigned_type_node): Likewise.
8358 (long_long_integer_type_node): Likewise.
8359 (long_long_unsigned_type_node): Likewise.
8360 * tree.c (integer_types): New variable.
8361 (init_obstacks): Register it as a root.
8363 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8365 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8366 NEXT_INSN. Update last insn in chain.
8368 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8370 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8371 with TYPE_DECL_SUPPRESS_DEBUG set.
8373 2000-03-18 Richard Henderson <rth@cygnus.com>
8375 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8377 2000-03-18 Richard Henderson <rth@cygnus.com>
8379 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8380 care for HALF_PIC_P.
8381 (expander_call_insn_operand): Remove.
8382 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8383 * i386.h (PREDICATE_CODES): Update.
8384 * i386.md (all call expanders): Remove predicates, remove special
8385 handling for half-pic.
8386 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8387 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8388 (sibcall_epilogue): New.
8390 2000-03-17 Richard Henderson <rth@cygnus.com>
8392 * rtlanal.c (single_set): Reject if the parallel has anything
8393 except SET or USE or CLOBBER.
8395 2000-03-17 Jeff Law <law@cygnus.com>
8396 Richard Henderson <rth@cygnus.com>
8398 * Makefile.in (OBJS): Add sibcall.o.
8400 * sibcall.c: New file.
8401 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8402 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8403 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8404 Emit sibcall patterns when requested. Update all callers.
8405 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8406 elimination seems feasable.
8407 * final.c (leaf_function_p): Sibling calls don't discount being
8409 * flow.c (HAVE_sibcall_epilogue): Provide default.
8410 (find_basic_blocks_1): Sibling calls don't throw.
8411 (make_edges): Make edge from sibling call to EXIT.
8412 (propagate_block): Don't remove sibcall_epilogue insns.
8413 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8414 (sibcall_epilogue): New.
8415 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8416 (identify_blocks_1): Likewise. Break out from ...
8417 (identify_blocks): ... here.
8418 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8419 (reorder_blocks): ... here.
8420 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8421 (record_insns): Extend a varray instead of mallocing new memory.
8422 (contains): Read a varray not array of ints.
8423 (sibcall_epilogue_contains): New.
8424 (thread_prologue_and_epilogue_insns): Emit and record
8425 sibcall_epilogue patterns.
8426 (init_function_once): Allocate prologue/epilogue varrays.
8427 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8428 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8430 (save_for_inline_nocopy): ... here.
8431 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8433 (expand_inline_function): ... here.
8434 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8435 (subst_constants): Handle 'n' formats.
8436 * jump.c (jump_optimize_minimal): New.
8437 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8438 optimizations if it's set.
8439 * rtl.c (copy_rtx): Do copy jump & call for insns.
8440 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8441 (SIBLING_CALL_P): New.
8442 (sibcall_use_t): New.
8443 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8444 Invoke optimize_sibling_and_tail_recursive_calls.
8445 * tree.c (lang_safe_for_unsave): New.
8446 (safe_for_unsave): New.
8447 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8449 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8450 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8451 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8453 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8455 * objc/objc-act.c (encode_method_prototype): Pass types, not
8456 PARM_DECLs, to int_size_in_bytes.
8458 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8460 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8462 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8463 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8465 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8467 * Clean up usages of TREE_INT_CST_LOW.
8468 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8469 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8471 * c-tree.h (min_precision): Move declaration to here.
8472 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8473 (build_unary_op, add_pending_init): Use bit_position.
8474 (pending_init_member, process_init_element): Likewise.
8475 (really_start_incremental_init, push_init_level, pop_init_level):
8476 Don't make copies of nodes or modify them in place, use consistent
8477 types when tracking positions, and use tree routines computations.
8478 (set_init_index, output_init_element): Likewise.
8479 (output_pending_init_elements, process_init_element): Likewise.
8480 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8481 tree_low_cst and int_bit_position; also minor cleanup.
8482 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8483 (print_cst_octal): Precision is unsigned.
8484 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8485 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8486 (simple_type_align_in_bits): Result is unsigned int.
8487 Use tree_int_low_cst and host_integerp.
8488 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8489 (field_byte_offset): Result is HOST_WIDE_INT.
8490 Change types of internal variables so alignments are unsigned int,
8491 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8492 Use host_integerp, tree_low_cst, and int_bit_position.
8493 (add_bit_offset_attribute): Likewise.
8494 (add_data_member_location_attribute): Use tree_cst_low.
8495 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8496 (add_bit_size_attribute): Use tree_low_cst.
8497 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8498 * dwarfout.c: Similar changes to dwarf2out.c.
8499 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8500 * genoutput.c (n_occurences): Return -1 for null string.
8501 (strip_whitespace): Accept null string and make into function.
8502 (scan_operands): Reflect above changes.
8503 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8504 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8505 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8506 * tree.c (int_size_in_bytes): Check for too big to represent.
8507 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8508 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8510 (min_precision): Delete from here.
8511 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8512 and int_bit_position.
8513 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8514 (encode_method_def): Likewise.
8515 (build_ivar_list_initializer): Use int_bit_position.
8516 (generate_shared_structures): Convert size.
8517 (encode_type, encode_complete_bitfield): Use integer_zerop.
8518 (encode_bitfield): Use tree_low_cst and int_bit_position.
8520 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8522 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8524 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8526 * call.c (special_function_p): It is only malloc if it returns
8529 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8531 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8532 (C33_FLAG, TARGET_C3X): Add macros.
8533 (TARGET_SWITCHES): Add -m33 option.
8534 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8536 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8538 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8539 (PARALLEL_PACK_FLAG): Delete.
8540 (TARGET_SWITCHES): Update.
8541 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8543 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8545 * fold-const.c (fold): Fix a few cases when the returned result
8546 is not of the same type as the input.
8548 2000-03-16 Nick Clifton <nickc@cygnus.com>
8550 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8553 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8555 * libgcc2.h: Move prototypes above macros with the same name.
8556 Wrap some function prototypes in the conditional which indicates
8557 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8559 2000-03-16 Richard Henderson <rth@cygnus.com>
8561 * calls.c: Revert last two changes.
8563 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8565 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8566 has exponent 0 is a zero.
8568 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8569 HASH may already be nonzero. Add code/mode into hash value
8570 immediately after repeat label.
8571 (cselib_lookup): Don't leave the hash table in an inconsistent
8572 state before a hash lookup operation.
8574 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8576 * i386.md (all HI and QI mode non-move patterns): Conditionize
8577 by TARGET_[HQ]IMODE_MATH.
8578 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8579 x86_promote_qi_regs): Declare.
8580 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8581 TARGET_PROMOTE_QI_REGS): New macros.
8582 (PROMOTE_MODE): New macro.
8583 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8584 x86_promote_qi_regs): New global variables.
8586 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8588 * calls.c (emit_library_call_value_1): Break out from ...; handle
8589 VOIDmode function calls too.
8590 (emit_library_call_value): ... here.
8591 (emit_library_call): Implement by calling emit_library_call_value_1.
8593 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8595 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8596 Update arg_space_so_far on stack adjustments.
8597 (emit_library_call, emit_library_call_value): Likewise; take into
8598 account arg_space_so_far and pending_stack_adjust when calculcating
8601 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8603 * flow.c: Move all basic block reordering code into its own file.
8604 (create_basic_block): Externalize.
8605 * bb-reorder.c: New file. Copy all basic block reordering code from
8606 flow.c to this file.
8607 (reorder_basic_blocks): Fix fencepost error in for-loop.
8608 (reorder_basic_blocks): Remove braces from single statement for-loops.
8609 * basic-block.h: Add declaration for create_basic_block.
8610 * Makefile.in: Add rules for bb-reorder.o.
8612 2000-03-16 Neil Booth <NeilB@earthling.net>
8614 * cppinit.c (handle_option): Implement #unassert directive
8615 as -A- command line option.
8616 (print_help): Update.
8617 * cpptexi.c: Update.
8619 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8621 * md.texi (Standard Names): Document `jump'.
8623 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8625 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8628 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8630 Merge changes from newppc-branch onto trunk.
8632 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8634 * rs6000.c (toc_hash_table): Update for new hash table functions.
8635 (toc_hash_function): Likewise.
8636 (toc_hash_eq): Likewise.
8637 (toc_hash_mark_entry): Likewise.
8638 (toc_hash_mark_table): Likewise.
8639 (output_toc): Likewise.
8640 (rs6000_add_gc_roots): Likewise.
8642 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8644 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8645 (AR_FLAGS_FOR_TARGET): here. New macro.
8647 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8649 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8650 fpmem_operand) Delete.
8652 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8653 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8654 (rs6000_save_machine_status, rs6000_restore_machine_status,
8655 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8656 references to above variables.
8657 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8658 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8659 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8660 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8661 (XER_REGNO_P, XER_REGNO): New.
8662 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8663 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8664 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8666 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8667 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8668 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8670 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8672 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8673 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8674 * rs6000.h: from here.
8676 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8677 (rs6000_select_rtx_section): Likewise.
8678 (rs6000_encode_section_info): Likewise.
8679 (sdata_section): Likewise.
8680 (sdata2_section): Likewise.
8681 (sbss_section): Likewise.
8682 * sysv4.h (rs6000_select_section): Delete prototype.
8683 (rs6000_select_rtx_section): Likewise.
8684 (rs6000_encode_section_info): Likewise.
8685 (sdata_section): Likewise.
8686 (sdata2_section): Likewise.
8687 (sbss_section): Likewise.
8688 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8690 * sysv4.h: Delete various unnecessary #undef's and put a comment
8691 on the remaining ones.
8692 Change various comments according to coding standard.
8694 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8696 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8697 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8698 (CR0_REGNO_P) Remove.
8699 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8700 setup_incoming_varargs, mtcrf_operation, print_operand,
8701 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8702 Use the above macros.
8704 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8706 * config/rs6000/rs6000.md: Added a new alternative for each
8707 pattern that had a 'x' alternative but no 'y' alternative.
8708 Added a new split for each of the above patterns.
8710 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8712 * aix41.h (ASM_CPU_SPEC): Delete.
8713 (CPP_CPU_SPEC): Delete.
8715 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8716 (ASM_OUTPUT_LABEL): Define.
8717 (ASM_GLOBALIZE_LABEL): Define.
8718 (STRIP_NAME_ENCODING): Define.
8719 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8720 (STRIP_NAME_ENCODING): Don't define.
8721 (ASM_OUTPUT_LABEL): Don't define.
8722 (ASM_GLOBALIZE_LABEL): Don't define.
8723 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8724 names, and ASM_OUTPUT_LABEL to output labels, rather than
8726 (ASM_OUTPUT_LABEL): Define.
8727 (ASM_OUTPUT_INT): Use assemble_name.
8728 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8729 (STRIP_NAME_ENCODING): Don't undefine first.
8730 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8732 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8733 specified with 'asm' even with -fleading-underscore.
8734 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8735 (output_epilog): Likewise.
8736 (output_toc): Likewise.
8737 * tramp.asm: Handle -fleading-underscore correctly.
8739 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8741 (nonlocal_goto_receiver): Delete.
8742 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8744 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8745 (SET_ASM_OP): Define.
8746 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8748 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8751 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8752 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8754 * rs6000.h: Add 'u' to more constants.
8756 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8758 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8760 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8762 * rs6000.c (reg_or_u_cint_operand): New function.
8763 (logical_operand): Handle 64-bit hosts.
8764 (logical_u_operand): New function.
8765 (non_logical_cint_operand): Handle 64-bit hosts.
8766 (non_logical_u_cint_operand): New function.
8767 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8768 (PREDICATE_CODES): Define new functions.
8769 * rs6000-protos.h: Declare new functions.
8770 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8771 (movdi_64): Bracket code intended for 64-bit hosts. Create
8772 CONST_DOUBLE for 32-bit values.
8773 (scc insns): Generate DImode compares.
8774 (mfcr insns): Create DImode versions.
8775 (sge matchers): New patterns.
8777 2000-02-15 Gabriel Paubert <paubert@iram.es>
8779 * rs6000.md: Correct instructions length attributes and
8780 constraints on unsigned compare instructions.
8781 (*ne0): Disable for PowerPC64.
8783 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8785 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8786 quantity, fix profile1.C test failure under -fPIC.
8788 * rs6000.c: Add 'u' to many constants to suppress warnings.
8789 (constant_pool_expr_1): Make static.
8790 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8791 * rs6000.h: Add 'u' to many constants to suppress warnings.
8793 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8794 for the start of the TOC, instead of LCTOC..0.
8795 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8797 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8798 (load_toc_aix_di): Use LCTOC..1.
8800 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8801 * rs6000.c (rs6000_legitimize_address): New function from
8802 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8803 symbols in the constant pool that really are TOC references.
8804 (print_operand_address): For ELF, write TOC offsets under
8805 -fPIC as subtractions in the insn.
8806 (output_toc): For ELF, define symbols in TOC as normal labels,
8808 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8809 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8810 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8811 * rs6000.md (movsi): Only use create_TOC_reference on
8812 symbols in the constant pool that really are TOC references.
8814 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8815 * rs6000.c (rs6000_reorg): Delete.
8816 * rs6000-protos.h (rs6000_reorg): Delete.
8818 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8820 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8822 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8823 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8824 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8825 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8826 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8827 rs6000_aix_emit_builtin_unwind_init.
8828 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8829 rs6000_emit_eh_toc_restore on AIX.
8830 (return_eh_si): Use r2.
8831 (return_eh_di): Use r2.
8833 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8834 since we're breaking binary compatibility anyway.
8836 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8838 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8839 constant_pool_expr_p): Declare them.
8840 (constant_pool_expr_p): Declare it.
8841 * config/rs6000/rs6000.c (toc_label_name): Define.
8842 (rs6000_override_options): Set toc_label_name.
8843 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8844 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8845 uses_TOC): New functions.
8846 (print_operand): Delete old '*' case.
8847 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8848 and strip off rtl for TOC before calling output_addr_const.
8849 (rs6000_emit_load_toc_table): Use toc_label_name.
8850 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8852 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8853 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8854 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8855 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8856 into explicit TOC_REGISTER offsets.
8857 (TOC_REGISTER): New macro.
8858 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8859 TARGET_TOC to reference TOC_REGISTER.
8860 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8861 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8862 uses_TOC before emitting label references.
8864 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8866 * rs6000.md (stack_tie): Fix warning.
8868 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8869 to handle -fleading-underscore.
8870 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8871 (USER_LABEL_PREFIX): New macro.
8872 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8873 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8874 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8875 call-linux can use the same multilibs.
8876 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8877 and call-linux multilibs. Do multilib with -fleading-underscore.
8878 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8879 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8882 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8883 have MASK_SOFT_FLOAT set.
8884 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8885 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8886 CPP_FLOAT_DEFAULT_SPEC.
8888 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8889 * rs6000.md: Whitespace change.
8890 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8891 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8893 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8895 * rs6000.md (eh_epilogue): New expander.
8896 (eh_reg_restore): New expand/split/insn combination.
8897 (return_eh_si): New insn.
8898 (return_eh_di): New insn.
8900 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8901 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8902 * eabi-ctors.c (__do_global_ctors): Register this object's
8903 frame. Clean up. Call atexit() after the constructors.
8904 (__do_global_dtors): Deregister this object's frame. Clean up.
8905 Allow for recursive calls to exit().
8906 * rs6000.c (fixuplabelno): New variable.
8907 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8908 TARGET_RELOCATABLE, it slows down exec() under linux.
8909 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8911 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8912 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8913 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8914 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8915 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8916 (ASM_OUTPUT_DWARF_ADDR): New macro.
8917 (ASM_OUTPUT_DWARF_DATA4): New macro.
8918 (ASM_OUTPUT_DWARF_DATA2): New macro.
8919 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8920 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8921 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8923 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8925 * rs6000.c (rs6000_sr_alias_set): New variable.
8926 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8927 (rs6000_emit_stack_tie): New function.
8928 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8929 in a way that dwarf2out can understand.
8930 (rs6000_frame_related): New function.
8931 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8932 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8933 Use rs6000_emit_stack_tie when needed.
8934 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8935 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8936 * rs6000.md (stack_tie): New insn.
8937 (return_internal_si): Allow return value to be in the count
8939 (return_internal_di): Likewise.
8941 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8943 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8945 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8947 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8949 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8951 * rs6000.md (stmw): Use the right POWER opcode.
8954 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8956 * rs6000-protos.h: New file.
8958 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8960 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8963 * sysv4.h: Likewise.
8965 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8967 * ../../configure.in: Delete powerpcle-*-winnt*
8968 and powerpcle-*-pe|powerpcle-*-cygwin*.
8969 * ../../configure: Regenerated.
8971 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8972 (TARGET_WINDOWS_NT): Delete.
8974 (CALL_NT_DLLIMPORT): Delete.
8975 Delete NT-specific code.
8976 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8979 * nt-ci.asm: Delete.
8980 * nt-cn.asm: Delete.
8981 * ntstack.asm: Delete.
8983 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8985 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8986 (ASM_FILE_START): Likewise.
8987 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8988 (ASM_OUTPUT_LABELREF): Likewise.
8989 (ASM_OUTPUT_SKIP): Likewise.
8990 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8991 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8992 (ASM_OUTPUT_CASE_LABEL): Likewise.
8993 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8994 (ASM_OUTPUT_ASCII): Likewise.
8996 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8998 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8999 reload_toc_labelno for non-prologue TOC reloads. Also, don't
9000 increment rs6000_pic_labelno here.
9001 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
9002 and increment rs6000_pic_labelno here.
9004 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
9006 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
9007 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
9008 allocation knows (reg) is dead before the insn.
9010 2000-01-21 Geoff Keating <geoffk@cygnus.com>
9012 * rs6000.md (movsi_to_cr): Correct typo in output template.
9014 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9016 * rs6000.c (rs6000_pic_labelno): Always define.
9017 (rs6000_pic_func_labelno): Delete.
9018 (lmw_operation): Check for a zero base register,
9019 which doesn't mean what we want.
9020 (stmw_operation): New function.
9021 (print_operand): Define new 'l' modifier.
9022 (rs6000_stack_info): We must save all 64 bits of the registers
9023 if TARGET_POWERPC64.
9024 (rs6000_output_load_toc_table): Delete.
9025 (rs6000_emit_load_toc_table): New function.
9026 (rs6000_allocate_stack_space): Delete.
9027 (rs6000_emit_allocate_stack): New function.
9028 (rs6000_emit_prologue): New function.
9029 (output_prolog): Use rs6000_emit_prologue.
9030 (rs6000_emit_epilogue): Change a few variable names to be
9031 more accurate. Restore all 64 bits of the registers if
9032 TARGET_POWERPC64. Only restore the FP registers which were used
9033 if they are being saved/restored one-at-a-time.
9034 (output_mi_thunk): Delete inefficient code generation.
9035 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9036 * rs6000.h: Declare rs6000_emit_load_toc_table,
9037 rs6000_allocate_stack_space, stmw_operation. Don't declare
9038 rs6000_output_load_toc_table.
9039 * rs6000.md (elf_high): Allow register 0, but discourage it
9041 (elf_low): Support loading into register 0.
9042 (load_toc_aix_si): New pattern.
9043 (load_toc_aix_di): New pattern.
9044 (load_toc_v4_pic_si): New pattern.
9045 (load_toc_v4_pic_di): New pattern.
9046 (load_toc_v4_PIC_1): New pattern.
9047 (load_toc_v4_PIC_1b): New pattern.
9048 (load_toc_v4_PIC_2): New pattern.
9049 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9050 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9051 (prologue): New expander.
9052 (movesi_from_cr): New pattern.
9053 (stmw): New pattern.
9054 (save_fpregs_si): New pattern.
9055 (save_fpregs_di): New pattern.
9057 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9059 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9064 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9066 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9068 (movsi_got_internal): Likewise.
9069 (movsi_got_internal+1): Likewise.
9070 (set_sp): 'unspec 7' does a SImode clobber.
9072 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9074 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
9075 allocate a stack temporary.
9076 (floatsidf2_internal): Likewise.
9077 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
9079 (floatunssidf2): Don't use the fpmem "register", just
9080 allocate a stack temporary.
9081 (floatunssidf2_internal): Likewise.
9082 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
9084 (floatsidf2_loadaddr): Delete.
9085 (floatsidf2_store1): Delete.
9086 (floatsidf2_store2): Delete.
9087 (floatsidf2_load): Delete.
9088 (fix_truncdfsi2): Don't use the fpmem "register", just
9089 allocate a stack temporary.
9090 (fix_truncdfsi2_internal_si): Delete.
9091 (fix_truncdfsi2_internal_di): Delete.
9092 (fix_truncdfsi2_internal): New insn.
9093 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9094 (fix_truncdfsi2_store): Delete.
9095 (fix_truncdfsi2_load): Delete.
9096 (fctiwz): Produce gen_fctiwz.
9098 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9100 * eabi.h (INVOKE__main): Define.
9101 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9103 (rs6000_emit_prologue): Likewise.
9104 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9105 this is the main program.
9107 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9109 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9111 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9113 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9114 goes after the argument.
9116 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9118 * rs6000.md: Document 'unspec' values used.
9119 (epilogue): New expander.
9120 (movesi_to_cr_one): New expander.
9121 (movesi_to_cr and following): New pattern.
9123 (return_internal_si): New pattern.
9124 (return_internal_di): New pattern.
9125 (return_and_restore_fpregs_si): New pattern.
9126 (return_and_restore_fpregs_di): New pattern.
9127 * rs6000.h: Declare new functions.
9128 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9129 rather than rs6000_calls_p.
9130 (rs6000_makes_calls): Delete.
9131 (lmw_operation): New function.
9132 (mtcrf_operation): New function.
9133 (rs6000_emit_epilogue): New function.
9134 (output_epilog): Call rs6000_emit_epilogue and final if
9135 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9137 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9139 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9140 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9141 * aix.h (SUBTARGET_SWITCHES): Document switches.
9142 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9143 sched-prolog and sched-epilog the same. Document all the
9145 (TARGET_OPTIONS): No longer allow -mdebug-.
9147 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9149 * rs6000.h (ASM_FILE_END): Move to aix.h.
9150 (EXTRA_SECTIONS): Move to aix.h.
9151 (READONLY_DATA_SECTION): Move to aix.h.
9152 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9153 (SELECT_SECTION): Move to aix.h.
9154 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9155 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9156 (LINK_REGISTER_REGNUM): New definition.
9157 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9158 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9160 * sysv4.h: Delete the code between the inclusion of rs6000.h
9162 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9163 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9164 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9165 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9166 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9167 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9168 (fix_truncdfsi2_internal_di): New pattern.
9169 (fix_truncdfsi2_store): The second arg here is Pmode too.
9170 (fix_truncdfsi2_load): The second arg here is Pmode too.
9171 (tablejumpdi): Now that switch tables hold only SImode values,
9172 gcc needs to know how to add them to the pc which is DImode.
9173 * rs6000.c (rs6000_stack_info): Use symbolic name for
9174 LINK_REGISTER_REGNUM.
9175 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9176 (output_toc): Delete unused variables s1 and s2.
9177 (output_ascii): Use fputs not fprintf on a variable string.
9179 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9181 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9182 * aix43.h: Revert Aug 2 change.
9183 (HAS_INIT_SECTION): Define, not visible yet.
9184 (LD_INIT_SWITCH): Define, not visible yet.
9185 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9187 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9189 * config/rs6000/rtems.h: Include config/rtems.h.
9191 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9193 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9194 (SLOW_UNALIGNED_ACCESS): Define.
9195 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9196 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9197 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9198 (toc_section): Likewise and .toc pseudo-op.
9199 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9201 (TEXT_SECTION_ASM_OP): Likewise.
9202 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9205 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9207 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9208 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9211 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9213 * rs6000.h: Move more stuff from here...
9215 * sysv4.h: Cleanup accordingly.
9216 * netware.h: Likewise
9218 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9220 * rs6000.h: Continue cleanup.
9223 * netware.h: Likewise.
9225 * sysv4.h: Likewise.
9226 * win-nt.h: Likewise.
9228 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9229 (TARGET_OPTIONS): Likewise.
9231 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9232 (SUBTARGET_OPTIONS): Likewise.
9234 * rs6000.md: Fix compile time warnings.
9236 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9238 vxworks patches from the Cygnus tree originally by
9239 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9240 <vmakarov@cygnus.com>.
9241 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9242 (ENDFILE_SPEC): Likewise.
9243 (LIB_VXWORKS_SPEC): New macro.
9244 (STARTFILE_VXWORKS_SPEC): New macro.
9245 (ENDFILE_VXWORKS_SPEC): New macro.
9246 (LINK_START_VXWORKS_SPEC): New macro.
9247 (LINK_OS_VXWORKS_SPEC): New macro.
9248 (CPP_OS_VXWORKS_SPEC): New macro.
9249 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9250 * vxppc.h: Rewrite to use proper configuration method.
9251 * vxppcle.h: New file.
9252 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9253 * ../../configure: Rebuilt.
9255 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9257 Lots of changes to rs6000.h, sysv4.h, aix.h,
9258 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9259 with the aim that rs6000.h is the first header
9260 included and the others override it.
9263 * x-aix41-gld: Remove.
9265 * x-aix41: Remove target-specific switches, and don't specify
9266 -Wl,-bbigtoc as we don't need it any more.
9267 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9268 Use t-aix43 for AIX 4.3 and above.
9269 * ../../configure: Regenerated.
9271 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9272 options, that don't do anything yet.
9273 (MASK_SCHED_PROLOG): New macro.
9274 (MASK_SCHED_EPILOG): New macro.
9275 (TARGET_SCHED_PROLOG): New macro.
9276 (TARGET_SCHED_EPILOG): New macro.
9278 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9280 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9281 one per translation unit, not one per function.
9282 (output_toc): Also do duplicate constant elimination
9283 for per-translation-unit TOCs.
9285 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9286 a comment explaining _exactly_ when this pattern gets used.
9287 (builtin_setjmp_receiver): New pattern for better clarity.
9288 (init_v4_pic): Move it into a section dealing with TOC registers.
9290 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9292 * rs6000.c (toc_hash_table): New variable.
9293 (rs6000_hash_constant): New function.
9294 (toc_hash_function): New function.
9295 (toc_hash_eq): New function.
9296 (toc_hash_mark_entry): New function.
9297 (toc_hash_mark_table): New function.
9298 (output_toc): Don't output duplicate TOC entries in
9300 (rs6000_add_gc_roots): Add the hash table as a GC root.
9301 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9302 where they clearly shouldn't be. This may need to be fixed
9303 later when there is a GNU ar for AIX.
9304 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9305 Don't define BOOT_LDFLAGS as it is now not necessary.
9307 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9309 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9310 for va_list on AIX. Use unsigned_char_type_node rather than
9311 constructing our own version on svr4.
9313 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9315 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9316 since patently it's not.
9318 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9320 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9321 define_expand/define_insn pair, and handle restore of the
9322 SVR4 -fpic register.
9324 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9326 * acconfig.h (HAVE_GAS_WEAK): New define.
9327 * configure.in (assembler weak support): Check for .weak support.
9328 * config.in, configure: Rebuilt.
9329 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9330 HAVE_GAS_WEAK is defined.
9332 2000-03-15 Nick Clifton <nickc@cygnus.com>
9334 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9337 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9339 * cppfiles.c (open_include_file): New function.
9340 (find_include_file, cpp_read_file): Use it.
9342 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9344 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9346 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9348 * flow.c (verify_flow_info): Check for unconditional return.
9350 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9352 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9353 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9354 (__ia64_restore_stack_nonlocal): New.
9355 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9357 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9359 * cpphash.c (collect_formal_parameters): Do not complain about
9360 parameter names that just start with `__VA_ARGS__'.
9362 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9364 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9365 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9366 * i386.c (pentiumpro_cost): Set mul cost to 4.
9367 (x86_use_movx): Set for PPro.
9369 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9371 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9372 STACK_BOUNDARY for empty frames now.
9374 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9376 * stor-layout.c (layout_union): Remove.
9377 (layout_union_field): New function, split out from layout_union.
9378 (finish_union_layout): Likewise.
9379 (layout_field): Handle unions by calling layout_union_field.
9380 (finish_record_layout): Handle unions.
9381 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9382 QUAL_UNION_TYPE handling.
9384 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9386 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9387 end of basic block is jump_insn, not barrier; use create_basic_block
9388 instead of creating basic block by hand.
9390 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9392 * flow.c (reorder_basic_blocks): Account for barriers when writing
9393 over NEXT_INSN (last_bb->end).
9394 (verify_flow_info): Add check for missing barriers.
9396 2000-03-14 Greg McGary <gkm@gnu.org>
9398 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9399 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9400 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9401 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9402 __unbounded, __unbounded__): New keywords.
9403 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9404 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9405 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9407 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9409 * cselib.h: New file.
9410 * alias.c: Include "cselib.h".
9411 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9412 MEMs as two new arguments.
9413 (get_addr): New static function.
9414 (find_base_term): Handle VALUEs.
9415 (memrefs_conflict_p): Likewise.
9416 (true_dependence): Call get_addr on the addresses.
9417 Call fixed_scalar_and_varying_struct_p with addresses that have been
9418 passed through get_addr and canon_rtx.
9419 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9420 with true_dependence.
9421 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9422 * loop.c: Include "cselib.h".
9423 (load_mems): Process extended basic block that enters the loop with
9424 cselib. Use that information to change initialization of the shadow
9425 register so that a constant equivalence is seen by later passes.
9426 * reload1.c: Include "cselib.h".
9427 (reload_cse_invalidate_regno): Delete function.
9428 (reload_cse_mem_conflict_p): Likewise.
9429 (reload_cse_invalidate_mem): Likewise.
9430 (reload_cse_invalidate_rtx): Likewise.
9431 (reload_cse_regno_equal_p): Likewise.
9432 (reload_cse_check_clobber): Likewise.
9433 (reload_cse_record_set): Likewise.
9434 (reg_values): Delete static variable.
9435 (invalidate_regno_rtx): Likewise.
9436 (reload_cse_delete_noop_set): New static function.
9437 (reload_cse_simplify): New static function, broken out of
9439 (reload_cse_noop_set_p): Delete unused argument INSN.
9440 Just call rtx_equal_for_cselib_p on set source and destination.
9441 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9442 reload_cse_delete_noop_set. Delete code to keep track of values; use
9443 cselib functions instead. Delete code to push/pop obstacks.
9444 (reload_cse_simplify_set): Use cselib to find equivalent values.
9445 Delete code to push/pop obstacks.
9446 (reload_cse_simplify_operands): Likewise.
9447 * rtl.def (VALUE): New rtx code.
9448 * rtl.h (union rtunion_def): New elt rt_cselib.
9449 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9450 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9451 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9452 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9453 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9454 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9455 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9456 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9457 cselib_record_set, cselib_record_sets): New static functions.
9458 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9459 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9460 references_value_p): New functions.
9461 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9462 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9463 n_useless_values, reg_values, callmem, cselib_obstack,
9464 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9465 New static variables.
9466 * varray.h (union varray_data_tag): New elt te.
9467 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9468 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9471 2000-03-14 Nick Clifton <nickc@cygnus.com>
9473 * gcc.c (do_spec_1): Catch the case where %* is used in a
9474 substitution pattern, but it has not been initialised.
9475 Issue a meaningful error message if an unrecognised operator
9476 is encountered in a spec string.
9478 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9480 * function.c (prepare_function_start): Correctly initialize
9481 cfun->stack_alignment_needed.
9483 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9485 * cppfiles.c (find_include_file): Don't assume nshort is a
9488 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9490 * configure.in (hppa configurations): Add pa32-regs.h to the
9491 list of tm files as appropriate.
9492 * configure: Rebuilt.
9493 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9495 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9496 (fmpyaddoperands, fmpysuboperands): Likewise.
9497 * pa.h: Remove various definitions which depend on knowing
9498 how registers are numbered.
9499 * pa32-regs.h: New file with PA32 register numbering specific
9502 2000-03-14 Richard Henderson <rth@cygnus.com>
9504 * regmove.c (combine_stack_adjustments): New.
9505 (stack_memref_p, single_set_for_csa): New.
9506 (free_csa_memlist, record_one_stack_memref): New.
9507 (try_apply_stack_adjustment): New.
9508 (combine_stack_adjustments_for_block): New.
9509 * rtl.h (combine_stack_adjustments): Declare.
9510 * toplev.c (rest_of_compilation): Call it.
9512 * i386.md: Revert 2000-01-16 change.
9514 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9516 * gccbug.in: Add web category, gcc specific classes.
9518 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9520 * stor-layout.c (finalize_record_size): Fix typo.
9522 2000-03-14 Stan Shebs <shebs@apple.com>
9524 * c-typeck.c (c_alignof): Error on incomplete types.
9525 * extend.texi (Alignment): Document this.
9527 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9529 * cppfiles.c: Include mkdeps.h.
9530 (find_include_file, read_include_file): Remove _cpp_ prefix
9531 from name, make static.
9532 (_cpp_execute_include): New function, broken out of
9535 * cpplib.c: Don't include mkdeps.h.
9536 (struct directive): Remove type field. Reorder entries. The
9537 function takes only one argument.
9538 (struct if_stack): Make type field an int.
9539 (directive_table): Rename to dtable. Generate it, the
9540 prototypes of the directive handlers, and the enum for the
9541 directive numbers, from a template macro.
9542 (do_ifndef, do_include_next, do_import): New functions.
9543 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9544 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9545 do_ident, do_assert, do_unassert, do_sccs): Take only one
9547 (do_sccs): Define always, but alter behavior based on
9549 (_cpp_handle_directive, consider_directive_while_skipping):
9550 Restructure for new directive table layout.
9552 (pass_thru_directive): Take a directive number, not a pointer
9553 to a struct directive.
9554 (parse_include): New function, broken out of do_include.
9555 (do_include, do_import, do_include_next): Use parse_include
9556 and _cpp_execute_include.
9557 (do_elif, do_else): Test for T_ELSE specifically when checking
9558 for #elif/#else after #else.
9559 (parse_ifdef): New function, broken out of do_ifdef.
9560 (validate_else): Expect a name arg without a leading #.
9561 (if_directive_name): Delete.
9562 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9563 directive handlers with only one argument.
9565 * cpphash.h: Update prototypes.
9566 (enum node_type): Remove entries for directives.
9567 * Makefile.in: Update dependencies.
9569 * cpphash.c (dump_hash_helper): Only dump nodes of type
9570 T_MACRO. Emit a newline after each definition.
9572 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9574 * gccbug.in: New file.
9575 * configure.in (all_outputs): Add gccbug.
9576 * Makefile.in (install-common): Install gccbug.
9577 (GCCBUG_INSTALL_NAME): New variable.
9578 * configure: Rebuilt.
9580 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9582 * function.c (put_var_into_stack): Use type_for_mode to calculate
9583 part_type. Use MEM_SET_IN_STRUCT_P.
9584 * expr.c (store_field): Handle CONCAT.
9585 (store_constructor): Use fields_length.
9586 * tree.c (fields_length): New fn.
9587 * tree.h: Declare it.
9589 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9591 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9592 (cpplex.o): New target.
9593 * po/POTFILES.in: Add cpplex.c.
9595 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9596 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9597 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9598 skip_block_comment, skip_line_comment, skip_comment,
9599 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9600 _cpp_parse_name, skip_string, parse_string,
9601 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9602 _cpp_get_directive_token, find_position,
9603 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9604 (maybe_macroexpand, _cpp_lex_token): New functions.
9606 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9607 parse_goto_mark): Delete.
9608 (_cpp_handle_eof): New function.
9609 (_cpp_handle_directive): Rename from handle_directive.
9610 (_cpp_output_line_command): Rename from output_line_command.
9611 (do_if, do_elif): Call _cpp_parse_expr directly.
9612 * cppfiles.c (_cpp_read_include_file): Don't call
9613 init_input_buffer here.
9614 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9615 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9616 here; pop the token_buffer and skip the rest of the line here.
9617 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9620 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9622 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9623 CPP_GOTO_MARK): New macros.
9624 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9625 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9626 _cpp_read_and_prescan, _cpp_init_input_buffer,
9627 _cpp_grow_token_buffer, _cpp_get_directive_token,
9628 _cpp_handle_directive, _cpp_handle_eof,
9629 _cpp_output_line_command): Prototype them here.
9630 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9631 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9632 quote_string, output_line_command): Remove.
9634 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9636 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9637 whether it is too large we must also verify that it isn't negative.
9639 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9641 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9642 (movsi_zero_liveg0): Remove.
9643 (movsf_insn_novis_liveg0): Remove.
9645 (negsi2_not_liveg0): Rename to negsi2.
9646 (one_cmplsi2): Remove.
9647 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9648 (one_cmplsi2_liveg0): Remove.
9649 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9650 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9651 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9652 (PREDICATE_CODES): Remove zero_operand.
9653 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9654 TARGET_BROKEN_SAVERESTORE.
9655 (zero_operand): Remove.
9656 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9657 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9659 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9660 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9661 TARGET_BROKEN_SAVERESTORE): Remove.
9662 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9664 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9666 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9669 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9671 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9673 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9674 truncating a string. Don't assume tokens are nul terminated.
9675 Problem noted by Andreas Jaeger <aj@suse.de>
9677 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9679 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9680 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9681 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9683 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9685 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9686 STRUCTURE_SIZE_BOUNDARY.
9688 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9690 * tree.h (record_layout_info_s): New structure.
9691 (record_layout_info): New type.
9692 (new_record_layout_info): New function.
9693 (layout_field): Likewise.
9694 (finish_record_layout): Likewise.
9695 * stor-layout.c (layout_record): Remove.
9696 (new_record_layout_info): New function.
9697 (layout_field): New function, broken out from layout_record.
9698 (finalize_record_size): Likewise.
9699 (compute_record_mode): Likewise.
9700 (finalize_type_size): New function, broken out from layout_type.
9701 (finish_record_layout): Likewise.
9702 (layout_type): Use them.
9704 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9706 * cpphash.c: Don't include version.h.
9707 (special_symbol) [case T_VERSION]: Look for the string in
9708 hp->value.cpval; don't use version_string.
9709 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9710 __VERSION__ to version_string.
9711 * Makefile.in (cpphash.o): Update deps.
9713 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9715 Convert cpplib to use libiberty/hashtab.c.
9717 * cpplib.h (struct cpp_reader): Make hashtab and
9718 all_include_files of type 'struct htab *'. Delete HASHSIZE
9719 and ALL_INCLUDE_HASHSIZE macros.
9721 * cpphash.h: Update prototypes.
9722 (struct hashnode): Remove next, prev, and bucket_hdr members.
9723 Make length a size_t. Add hash member.
9724 (struct ihash): Remove next member. Add hash member. Make
9725 name a flexible array member.
9727 * cppfiles.c: Include hashtab.h.
9728 (include_hash): Delete.
9729 (IHASHSIZE): New macro.
9730 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9731 (cpp_included): Do the hash lookup here.
9732 (_cpp_find_include_file): Rewrite.
9733 (cpp_read_file): Put the "fake" hash entry into the hash
9734 table. Honor the control_macro, if it turns out we've seen
9735 the file before. Don't push the buffer here.
9736 (_cpp_read_include_file): Push the buffer here.
9737 (OMODES): New macro. Use it whenever we call open(2).
9739 * cpphash.c: Include hashtab.h.
9740 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9741 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9742 _cpp_lookup_slot): New functions.
9743 (HASHSIZE): new macro.
9744 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9745 (_cpp_lookup): Use hashtab.h routines.
9747 * cppinit.c: Include hashtab.h.
9748 (cpp_reader_init): Call _cpp_init_macro_hash and
9749 _cpp_init_include_hash. Don't allocate hashtab directly.
9750 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9751 pfile->all_include_files.
9752 (initialize_builtins): Use _cpp_make_hashnode and
9753 htab_find_slot to add hash entries.
9754 (cpp_finish): Just call _cpp_dump_macro_hash.
9755 * cpplib.c: Include hashtab.h.
9756 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9757 create hash entries.
9758 (do_pragma_poison, do_assert): Likewise.
9759 (do_include): Don't push the buffer here. Don't increment
9760 system_include_depth unless _cpp_read_include_file succeeds.
9761 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9763 (do_pragma_implementation): Use alloca to create copy.
9765 * Makefile.in: Update dependencies.
9767 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9769 * cppinit.c (cl_directive_handler): More K&R fixing.
9771 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9773 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9775 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9777 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9779 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9780 Change from char[] to macros.
9782 2000-03-12 Neil Booth <NeilB@earthling.net>
9784 * cppinit.c (cpp_start_read): Update indirect function
9787 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9789 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9792 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9793 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9795 2000-03-11 Neil Booth <NeilB@earthling.net>
9797 * cppinit.c (struct pending option): Replace undef with a
9798 pointer to a directive handling routine.
9799 (struct cpp_pending): Replace separate assert_ and define_
9800 lists with one directive_ list.
9801 (new_pending_define): Rename new_pending_directive. Extra
9802 argument is the directive's handling routine.
9803 (handle_option): Update to use new_pending_directive.
9805 2000-03-11 Neil Booth <NeilB@earthling.net>
9807 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9808 remap_filename, _cpp_read_include_file, actual_directory,
9809 hack_vms_include_specification): Replace bcopy(), index() etc
9810 calls. Add casts to some allocations. Make some variables
9811 pointers to const [unsigned] char.
9812 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9813 collect_formal_parameters): Similarly.
9814 * cppinit.c (struct pending_option, append_include_chain,
9815 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9816 cpp_start_read, new_pending_define, handle_option): Similarly.
9817 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9818 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9819 do_pragma_implementation, detect_if_not_defined,
9820 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9821 do_assert, do_unassert): Similarly.
9822 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9823 function prototypes.
9824 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9826 2000-03-10 Richard Henderson <rth@cygnus.com>
9828 * builtins.c (expand_builtin_strlen): Revert last change.
9829 Use emit_insn_before if we're at the beginning of a sequence.
9831 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9833 * builtins.c (expand_builtin_strlen): Make sure that we have something
9834 at the beginning of the sequence.
9836 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9839 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9841 2000-03-10 Richard Henderson <rth@cygnus.com>
9843 * except.c (can_throw): Use INTVAL on a CONST_INT.
9844 (reachable_handlers): Likewise.
9845 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9847 2000-03-10 Andreas Jaeger <aj@suse.de>
9849 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9850 MD_STARTFILE_PREFIX since those are not needed on linux.
9851 (ASM_FILE_START): New, from mips/gnu.h.
9853 2000-03-09 Richard Henderson <rth@cygnus.com>
9854 Alex Samuel <samuel@codesourcery.com> and others
9856 * Makefile.in (ssa.o): New rule.
9858 (STAGESTUFF): Add *.ssa and *.ussa.
9859 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9860 * rtl.def (PHI): New RTL expression.
9861 * rtl.h (clear_log_links): New declaration.
9862 (convert_to_ssa): Likewise.
9863 (convert_from_ssa): Likewise.
9864 * flow.c (split_edge): If the entry node falls through to the
9865 split edge's source block, split the entry edge.
9866 (clear_log_links): New function.
9867 * toplev.c (ssa_dump): New variable.
9868 (flag_ssa): Likewise.
9869 (f_options): Add "ssa".
9870 (compile_file): Create SSA dump files.
9871 (rest_of_compilation): Go to and from SSA if enabled.
9872 (decide_d_option): Handle -de for SSA dump files.
9875 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9877 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9880 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9882 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9884 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9886 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9887 (MD_STARTFILE_PREFIX_1): New macro.
9889 2000-03-09 Robert Lipe <robertl@sco.com>
9891 * config/ia64/ia64.c: Include system.h.
9893 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9895 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9896 (init_eh_nesting_info): Likewise.
9898 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9899 (TREE_NOTHROW): Rename from TREE_RAISES.
9900 * toplev.c (rest_of_compilation): Set it.
9901 * print-tree.c (print_node): Adjust.
9902 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9903 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9904 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9905 REG_EH_REGION note as appropriate.
9906 (libfunc_nothrow): New fn.
9907 (emit_library_call, emit_library_call_value): Use it.
9908 (expand_call): Check TREE_NOTHROW.
9910 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9911 DECL_ASSEMBLER_NAME.
9913 2000-03-09 Andreas Jaeger <aj@suse.de>
9915 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9916 (TARGET_MEM_FUNCTIONS): Define.
9918 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9920 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9922 * except.c (can_throw): See through a SEQUENCE.
9923 (nothrow_function_p): New fn.
9924 * except.h: Declare it.
9925 * function.c (current_function_nothrow): New var.
9926 (prepare_function_start): Initialize it.
9927 * output.h: Declare it.
9928 * toplev.c (rest_of_compilation): Set it.
9929 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9931 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9933 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9934 match. (cpp_compare_defs): Count the nul separator when
9935 advancing over argument names.
9937 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9939 * recog.c (preprocess_constraints): Matching constraints affect
9940 same alternative/different operand, not same operand/different
9943 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9944 register and a constant specially.
9946 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9948 * libgcc2.h: New file.
9949 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9951 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9953 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9954 * configure: Regenerate.
9957 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9959 * Makefile.in (LIBCPP_DEPS): New macro.
9960 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9962 * cpperror.c: Include cpphash.h.
9963 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9965 (lex): Don't use CPP_WARN_UNDEF.
9966 (_cpp_parse_expr): Return an int, the truth value.
9967 * cppfiles.c: Include cpphash.h.
9968 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9969 * cppinit.c (include_defaults_array): Disentangle.
9970 (cpp_cleanup): Don't free the if stack here.
9971 (cpp_finish): Pop off all buffers, not just one.
9972 * cpplib.c (eval_if_expr): Return int.
9973 (do_xifdef): Rename do_ifdef.
9974 (handle_directive): Don't use CPP_PREPROCESSED.
9975 (cpp_get_token): Don't use CPP_C89.
9976 * fix-header.c: Don't use CPP_OPTIONS.
9978 * cpplib.h: Move U_CHAR, enum node_type, struct
9979 file_name_list, struct ihash, is_idchar, is_idstart,
9980 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9981 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9982 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9983 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9984 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9985 of _cpp_simplify_pathname, _cpp_find_include_file,
9986 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9987 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9989 Change all uses of U_CHAR to be unsigned char instead.
9990 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9992 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9994 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9995 (dwarf2out_begin_prologue): Set it.
9996 (output_call_frame_info): Don't emit EH unwind info for leaves.
9998 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9999 can occur outside of an EH region.
10000 * except.c: Correct comments about rethrow behavior.
10001 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
10003 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
10005 * flow.c (make_edges): Always call make_eh_edge for calls.
10007 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10009 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
10010 (struct cpp_buffer): Remove fname and underflow fields.
10011 (struct cpp_reader): Remove get_token field.
10012 (struct include_hash): Rename to struct ihash. Add typedef to
10014 (struct if_stack): Remove fname field.
10015 (IF_STACK_FRAME): Rename to IF_STACK.
10017 * cpperror.c (print_containing_files): Trust that there are no
10018 macro buffers below the top file buffer.
10019 * cppfiles.c: Replace all references to 'struct include_hash'
10020 with 'IHASH'. Rename initialize_input_buffer to
10021 init_input_buffer. Don't set or reference cpp_buffer->fname,
10022 use buffer->ihash->name instead.
10023 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
10024 not CPP_NULL_BUFFER.
10025 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10026 IF_STACK_FRAME, IHASH not struct include_hash.
10027 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10028 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10029 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10030 references to cpp_buffer->fname (delete entirely, or use
10031 ->ihash->name instead) and IF_STACK->fname.
10032 (cpp_push_buffer): Don't set new->underflow.
10033 (do_include): Use cpp_file_buffer.
10035 * cpphash.c (collect_formal_parameters): Remove duplicate
10036 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10037 used as a macro argument name. Don't append "..." to namebuf
10038 for varargs macros. After we're done scanning, go through
10039 namebuf and make it NUL separated, not comma separated.
10040 (_cpp_compare_defs): Remove register tag from variables.
10041 Expect defn->argnames to be NUL separated.
10042 (_cpp_dump_definition): Expect defn->argnames to be NUL
10043 separated and in forward order.
10044 * cpphash.h: Update documentation of argnames field.
10046 2000-03-08 Richard Henderson <rth@cygnus.com>
10048 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10049 to fail. Don't pre-expand the source operand.
10051 * i386.md (strlensi): Initialize eoschar and align before use.
10053 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10055 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10056 CONSTRUCTOR element.
10058 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10060 * mips.c (mips_expand_prologue): If the last
10061 named argument is the vararg marker "va_list", treat it as
10062 an unnamed argument.
10064 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10066 * dbxout.c (dbxout_parms): When correcting for promoted
10067 big-endian parameters, use the mode of the DECL_RTL rather
10068 than UNITS_PER_WORD.
10070 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
10072 * c-common.h (make_fname_decl): Declare.
10073 * c-common.c (make_fname_decl): Define.
10074 (declare_hidden_char_array): Remove.
10075 (declare_function_name): Use make_fname_decl.
10076 * c-decl.c (c_make_fname_decl): New function.
10077 (init_decl_processing): Set make_fname_decl.
10079 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
10081 * cccp.c (handle_directive): Initialize backslash_newlines_p.
10083 2000-03-07 Philipp Thomas <pthomas@suse.de>
10085 * po/POTFILES.in: Remove cppalloc.c from file list.
10087 2000-03-07 Steve Chamberlain <sac@pobox.com>
10089 * pj.c (pj_expand_prologue): current_function->args_info is
10090 now current_function_args_info.
10092 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10093 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10094 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10096 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10098 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10099 output as hexadecimal rather than the default octal.
10101 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10103 * cpphash.c (special_symbol): Fix thinko in previous commit.
10105 2000-03-07 Neil Booth <NeilB@earthling.net>
10107 * cppexp.c (struct operation, left_shift, right_shift,
10108 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10109 "int"s to "unsigned int"s.
10110 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10112 * cpplib.h: Update for above.
10113 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10114 returned from allocations.
10116 * cppinit.c (opt_comp, parse_options): New functions.
10117 (handle_option): Use parse_option to parse a single command
10118 line option, that possibly takes an argument.
10119 (cpp_handle_options): Sort the array of command line options on
10120 first invocation (non-ASCII hosts only).
10121 (print_help): Update.
10123 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10125 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10126 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10128 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10130 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10132 * cpperror.c (cpp_print_containing_files,
10133 cpp_print_file_and_line, v_cpp_message): Rename to
10134 print_containing_files, print_file_and_line, and v_message.
10135 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10136 to _cpp_parse_expr, parse_escape, and lex.
10137 (parse_charconst): Remove broken multibyte support.
10138 * cppfiles.c (include_hash): Make static.
10139 (cpp_included): New function.
10140 (merge_include_chains, find_include_file, finclude,
10141 simplify_pathname): Rename to _cpp_merge_include_chains,
10142 _cpp_find_include_file, _cpp_read_include_file, and
10143 _cpp_simplify_pathname.
10144 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10145 cpp_install, create_definition, macroexpand, compare_defs,
10146 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10147 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10148 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10149 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10151 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10153 * cpphash.h: Update prototypes.
10154 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10156 2000-03-07 Andrew Haley <aph@cygnus.com>
10158 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10159 PTRDIFF_TYPE should be based solely on Pmode.
10160 (SIZE_TYPE): ditto.
10162 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10164 * rtl.h (rtunion_def): Constify member `rtstr'.
10165 (emit_line_note_after, emit_line_note, emit_line_note_force,
10166 emit_note, decode_asm_operands): Constify.
10168 * cse.c (canon_hash): Likewise.
10170 * dbxout.c (dbxout_block): Likewise.
10172 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10173 v_warning_for_asm): Likewise.
10175 * dwarfout.c (function_start_label): Likewise.
10177 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10178 emit_line_note_force): Likewise.
10180 * final.c (last_filename, asm_insn_count, final_scan_insn,
10181 output_source_line): Likewise.
10183 * function.h (struct emit_status): Likewise.
10185 * gcse.c (hash_expr_1): Likewise.
10187 * genattr.c (gen_attr, main): Likewise.
10189 * genattrtab.c (struct function_unit, current_alternative_string,
10190 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10191 attr_numeral, check_attr_test, check_attr_value,
10192 convert_set_attr_alternative, convert_set_attr,
10193 compute_alternative_mask, simplify_by_exploding, gen_attr,
10194 gen_unit): Likewise.
10196 * genflags.c (gen_insn): Likewise.
10198 * gengenrtl.c (type_from_format): Likewise.
10200 * genopinit.c (gen_insn): Likewise.
10202 * genoutput.c (n_occurrences, process_template, process_template):
10205 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10208 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10211 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10212 ggc_set_mark, ggc_get_size): Likewise.
10214 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10216 * optabs.c (init_one_libfunc): Likewise.
10218 * output.h (assemble_start_function): Likewise.
10220 * recog.c (decode_asm_operands): Likewise.
10222 * toplev.c (rest_of_compilation): Likewise.
10224 * tree.h (emit_line_note_after, emit_line_note,
10225 emit_line_note_force): Likewise.
10227 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10228 asm_emit_uninitialised, assemble_start_function,
10229 assemble_variable, const_hash, compare_constant_1,
10230 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10232 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10234 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10236 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10238 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10240 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10241 arm_dllimport_name_p): Likewise.
10243 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10246 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10248 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10250 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10251 arm_mark_dllexport, arm_mark_dllimport,
10252 arm_pe_encode_section_info): Likewise.
10254 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10255 ASM_FINISH_DECLARE_OBJECT): Likewise.
10257 * arm/thumb.c (thumb_function_prologue): Likewise.
10259 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10261 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10263 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10265 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10267 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10269 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10271 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10272 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10274 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10276 * i386/i386.c (asm_output_function_prefix): Likewise.
10278 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10280 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10282 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10284 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10285 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10286 ASM_OUTPUT_SECTION_NAME): Likewise.
10288 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10290 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10292 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10294 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10296 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10298 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10300 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10302 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10304 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10306 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10308 * mips/mips.md (movdi, movsi): Likewise.
10310 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10312 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10314 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10316 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10317 ASM_OUTPUT_ASCII): Likewise.
10319 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10320 output_mi_thunk, output_toc): Likewise.
10322 * rs6000/rs6000.md (movsi): Likewise.
10324 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10326 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10328 * v850/v850.c (print_operand, print_operand_address,
10329 v850_encode_data_area): Likewise.
10331 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10333 * config/mips/mips.md (zero_extendsidi2): Always force operand
10334 one to memory for mips16.
10336 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10338 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10339 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10340 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10341 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10342 (min_precision): Result is unsigned.
10343 (add_double, neg_double, mul_double): Low word is unsigned.
10344 (lshift_double, rshift_double, lrotate_double): Likewise.
10345 (rrotate_double, div_and_round_double): Likewise.
10346 (tree_floor_log2, compare_tree_int): New functions.
10347 (preserve_rtl_expr_temps): New declaration.
10348 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10349 (decl_attributes): Use tree_log2 to find alignment.
10350 Check for TREE_INT_CST_HIGH for format args.
10351 (min_precision): Now unsigned.
10352 Use tree_floor_log2.
10353 (truthvalue_conversion): Delete long-disabled code.
10354 * c-decl.c (finish_struct): Clean up tests on field width.
10355 (finish_function): Use compare_tree_int.
10356 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10357 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10358 (default_conversion, digest_init): Use compare_tree_int.
10359 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10360 Fix type errors in forming masks.
10361 * calls.c (initialize_argument_information): Use compare_tree_int.
10362 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10363 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10364 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10365 (store_field): Use compare_tree_int.
10366 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10367 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10368 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10369 (do_store_flag): Use compare_tree_int.
10370 * fold-const.c (encode, decode): Low part is always unsigned.
10371 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10372 (lshift_double, rshift_double, lrotate_double): Likewise.
10373 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10374 (fold_convert): Use compare_tree_int.
10375 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10376 (invert_truthvalue, case INTEGER_CST): Likewise.
10377 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10378 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10379 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10380 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10382 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10383 (expand_end_case): Use compare_tree_int.
10384 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10385 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10386 (layout_decl): Likewise.
10387 (layout_record, layout_union): Make sizes unsigned.
10388 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10389 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10390 * tree.c (struct type_hash): hashcode is unsigned.
10391 (build_type_attribute_variant, type_hash_list): Likewise.
10392 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10393 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10394 (build_complex_type): Likewise.
10395 (real_value_from_int_cst): Remove unneeded casts.
10396 (integer_all_onesp): Add casts.
10397 (tree_floor_log2, compare_tree_int): New functions.
10398 (build_index_type): Use tree_int_cst_sgn.
10399 * varasm.c (assemble_variable): Use compare_tree_int.
10401 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10403 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10405 * varasm.c (make_decl_rtl): Don't add a number to members of
10407 (make_function_rtl): Likewise.
10409 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10411 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10412 patch from 2000-01-28.
10414 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10416 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10417 filled with an insn from the jump target.
10419 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10421 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10422 (c4x_external_ref): Likewise.
10423 * config/c4x/c4x.c (struct name_list): Likewise.
10425 1999-12-16 Ben Collins <bcollins@debian.org>
10427 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10428 argument to genmultilib.
10429 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10430 the contents into the multilib.h header.
10431 * gcc.c: Declare multilib_exclusions for the specs file.
10432 (set_multilib_dir): Use it.
10433 (print_multilib_info): Likewise.
10434 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10435 to pass to genmultilib.
10437 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10439 * builtins.c (built_in_class_names, built_in_names): Constify a
10442 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10444 (_mcleanup): Ensure value matches format specifier in sprintf.
10446 * cpphash.c (special_symbol): Don't needlessly cast away
10449 * cppinit.c (base_name): Delete unused prototype.
10451 * mkdeps.c (deps_init): Make definition K&R safe.
10453 * tree.h (built_in_class_names, built_in_names): Constify a
10456 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10458 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10459 floating point instructions for epilogue delay.
10461 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10462 to gas if it supports .register pseudo.
10464 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10465 LONG_DOUBLE_TYPE_SIZE if not defined.
10466 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10467 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10468 * real.c: Likewise.
10469 * gengenrtl.c: Likewise.
10470 * print-rtl.c: Likewise.
10472 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10473 MASK_LONG_DOUBLE_128.
10474 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10475 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10476 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10477 (SUBTARGET_SWITCHES): Define.
10478 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10479 with -mlong-double-128.
10480 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10481 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10482 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10483 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10484 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10485 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10486 with -mlong-double-128.
10487 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10488 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10489 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10490 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10491 TARGET_LONG_DOUBLE_128): Define.
10492 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10493 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10494 long double on TARGET_ARCH64.
10496 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10498 * function.c (free_temps_for_rtl_expr): Don't free slots
10499 that have been pushed into a higher level.
10502 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10504 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10506 * basic-block.h (ALLOCA_REG_SET): Remove.
10507 (INITIALIZE_REG_SET): New macro.
10508 * flow.c (update_life_info): Use it.
10509 (calculate_global_regs_live): Likewise.
10510 (propagate_block): Likewise.
10511 * global.c (build_insn_chain): Likewise.
10512 * haifa-sched.c (schedule_region): Likewise.
10514 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10516 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10517 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10518 (DWARF_ARANGES_PAD_SIZE): New define.
10519 (output_aranges): Use it to pad the address range header.
10520 (DWARF_ROUND): Fix for non power of 2 rounding.
10522 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10524 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10526 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10528 * tree.def (RTL_EXPR): Update documentation.
10529 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10530 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10531 * function.c (preserve_rtl_expr_temp): New function.
10532 (preserve_rtl_expr_temps): Likewise.
10533 (preserve_rtl_expr_result): Use it.
10536 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10538 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10540 * regmove.c (copy_src_to_dest) Do not create src->dest move
10541 for unchanging destination.
10543 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10545 * function.h (struct sequence_stack): Remove rtl_expr.
10546 (struct emit_staus): Likewise.
10547 (seq_rtl_expr): Remove.
10548 * tree.h (free_temps_for_rtl_expr): Don't declare.
10549 (start_sequence_for_rtl_expr): Likewise.
10550 * rtl.h (preserve_rtl_expr_result): Likewise.
10551 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10552 (start_sequence_for_rtl_expr): Remove.
10553 (push_topmost_sequence): Don't save sequence_rtl_expr.
10554 (pop_topmost_sequence): Remove comment about not restoring it.
10555 (end_sequence): Don't set seq_rtl_expr.
10556 (init_emit): Don't initialize it.
10557 (mark_sequence_stack): Don't mark it.
10558 (mark_emit_status): Likewise.
10559 * except.c (protect_with_terminate): Use
10560 start_sequence_for_rtl_expr, not start_sequence.
10561 * expr.c (expand_expr, case RTL_EXPR): Don't call
10562 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10563 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10564 (preserve_rtl_expr_result): Remove.
10565 (free_temps_for_rtl_expr): Likewise.
10566 (pop_temp_slots): Likewise.
10567 (mark_temp_slot): Don't mark the rtl_expr.
10568 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10569 start_sequence_for_rtl_expr.
10571 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10573 * mkdeps.c, mkdeps.h: New files.
10574 * po/POTFILES.in: Add them.
10575 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10576 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10577 (mkdeps.o): New target.
10579 * cppfiles.c: Delete deps_output.
10580 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10581 OBJECT_SUFFIX, and base_name.
10582 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10584 (initialize_dependency_output): Use deps_init,
10585 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10586 all the unnecessary string bashing.
10587 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10589 * cpplib.c (do_include): Use deps_add_dep.
10590 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10591 deps_allocated_size, deps_size, deps_column members with
10592 single pointer to a struct deps. Delete prototype of
10595 * cppinit.c: Fix thinko in previous patch.
10597 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10599 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10600 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10601 (mode_for_size_tree): New function.
10602 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10603 * tree.h (mode_for_size_tree): New declaration.
10605 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10607 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10609 * stmt.c (is_body_block): Move...
10610 * dwarfout.c, dwarf2out.c: ...from here.
10611 * tree.h: Declare it.
10612 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10613 * final.c (final_start_function): Do call remove_unnecessary_notes
10616 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10618 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10620 * cpplib.h (_dollar_ok): New macro.
10621 (is_idchar, is_idstart): Use it.
10622 (IStable): Rename to _cpp_IStable. Declare it const if
10623 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10624 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10625 is_space): Update for renamed IStable.
10627 * cppinit.c: Delete all references to FAKE_CONST and CAT
10628 macros. Define init_IStable as empty macro if gcc >=2.7 or
10629 C99. Change TABLE() to ISTABLE and hardcode name of table.
10630 (cpp_start_read): Don't change the IStable based on
10633 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10634 changed. Handle '$' for char1 correctly.
10635 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10637 * cppexp.c (tokentab2): Make const.
10638 (cpp_lex): Make toktab const.
10639 * cppinit.c (include_defaults_array): Make const.
10640 (initialize_standard_includes): Make default_include const.
10642 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10644 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10645 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10646 (gen_decl_die): Likewise.
10647 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10648 (output_decl): Likewise.
10650 * varasm.c (make_function_rtl): If we change the name used in the
10651 rtl, update DECL_ASSEMBLER_NAME accordingly.
10652 (make_decl_rtl): Likewise.
10654 * toplev.c (rest_of_compilation): Tweak formatting.
10656 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10657 remove_unnecessary_notes.
10658 (debug_ignore_block): New fn.
10659 * toplev.h: Declare it.
10660 * emit-rtl.c (remove_unncessary_notes): Call it.
10661 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10662 * dwarf2out.h: Declare it.
10663 * final.c (final_start_function): Don't call remove_unnecessary_notes
10664 if we did insn scheduling.
10666 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10668 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10669 * cpplib.h: Delete SET_CPP_PEDANTIC.
10671 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10673 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10674 result is a RECORD_TYPE.
10676 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10678 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10680 2000-03-03 Richard Henderson <rth@cygnus.com>
10682 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10683 addition over compliments over shifts.
10685 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10687 * reload1.c (reload_combine_note_use): Handle return register USEs.
10688 REG case: Handle multi-hard-register hard regs.
10690 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10692 * md.texi: Document use of '*' in insn pattern name.
10694 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10696 * calls.c (special_function_p): operator new may not be malloc-like.
10698 * gcse.c (dump_hash_table): Really fix error in last change.
10700 2000-03-02 Denis Chertykov <denisc@overta.ru>
10702 * avr.c (print_operand): Use print_operand_address instead of
10704 * avr/libgcc.S: Cleanup code.
10706 2000-03-02 Richard Henderson <rth@cygnus.com>
10708 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10710 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10712 * tree.h (TYPE_ALIGN_UNIT): New macro.
10714 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10716 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10718 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10720 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10722 (SET_CPP_PEDANTIC): New macro.
10723 * cpplib.c (do_include): Don't bother checking system_header_p.
10724 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10725 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10727 * function.h (struct expr_status): Add x_arg_space_so_far.
10728 (arg_space_so_far): New macro.
10729 * expr.c (init_expr): Initialize it.
10730 * calls.c (emit_call_1): Reset it.
10731 (compute_argument_block_size, expand_call): Use it.
10732 (expand_call, store_one_arg): Increment it.
10734 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10736 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10739 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10741 * cppfiles.c (cpp_read_file): New function.
10743 * cpphash.c (collect_expansion): Make sure to reset last_token
10744 to NORM when we hit a string. Handle trailing whitespace
10745 properly when the expansion is empty.
10746 (create_definition): Disable line commands while parsing the
10748 (dump_definition): If pfile->lineno == 0, output a line
10749 command ahead of the dump, and add a trailing newline.
10751 * cppinit.c (append_include_chain): Add fifth argument, which
10752 indicates whether or not system headers are C++ aware.
10753 (initialize_standard_includes): New function,
10754 broken out of read_and_prescan. Pass 'cxx_aware' value from
10755 the include_defaults_array on to append_include_chain.
10756 (dump_special_to_buffer): Const-ify char array.
10757 (builtin_array): Don't dump __BASE_FILE__.
10758 (cpp_start_read): Use cpp_read_file. Reorder code for
10759 clarity. Don't output line commands here for -D/-A/-U
10760 switches. Don't call deps_output for files included with
10761 -include or -imacros.
10763 * cpplib.c (do_define): Don't pay any attention to the second
10765 (cpp_expand_to_buffer): Disable line commands while scanning.
10766 (output_line_command): Work in the file buffer.
10767 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10768 Fix formatting of comments. Prototype cpp_read_file.
10770 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10772 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10773 reference the language-equivalent of sizetype.
10774 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10775 * fold-const.c (size_binop, size_diffop): Put back checks.
10776 * gcse.c (dump_hash_table): Fix minor error in last change.
10777 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10778 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10781 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10783 * calls.c (expand_call) Do not attempt to combine stack adjustments
10784 with inhibit_defer_pop set.
10786 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10788 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10789 the DECL_SIZE for a FIELD_DECL.
10791 2000-03-01 Bruce Korb <bkorb@gnu.org>
10793 * fixinc/inclhack.tpl: remove unused symlinks
10794 * fixinc/README: GCC Maintainer info
10795 * fixinc/inclhack.sh: regen
10796 * fixinc/fixincl.sh: regen
10798 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10800 * cpphash.c (collect_expansion): Trim trailing white space
10801 from macro definitions, but don't go past the last insertion
10804 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10806 * i386.md (mulqi3): New pattern.
10808 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10810 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10812 (struct cpp_reader): Add parsing_if_directive and
10813 parsing_define_directive flags.
10814 (struct cpp_options): Remove output_conditionals flag.
10815 (check_macro_name): Delete prototype.
10817 * cpphash.h (struct macrodef): Delete.
10818 (struct reflist): Separate from struct definition.
10819 (struct definition): Remove unused fields. Add column number.
10820 (create_definition): Returns a DEFINITION *. Takes a
10821 cpp_reader * and an int.
10823 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10824 (PEEKC): Copy defn from cpplib.c.
10825 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10827 (struct arglist): Simplify.
10828 (collect_expansion): Rewrite. Get tokens by calling
10829 cpp_get_token. Add more error checking.
10830 (collect_formal_parameters): New function, broken out of
10831 create_definition and reworked to use get_directive_token.
10832 (create_definition): All real work is now in collect_expansion
10833 and collect_formal_parameters. do_define handles finding the
10834 macro name. Return a DEFINITION, not a MACRODEF.
10835 (macroexpand): Replace bcopy with memcpy throughout. Replace
10836 character-at-a-time copy loop with memcpy and pointer increments.
10837 (compare-defs): d1->argnames / d2->argnames might be null.
10839 * cpplib.c (copy_rest_of_line): Delete function.
10840 (skip_rest_of_line): Do all the work ourselves.
10841 (skip_string): New function.
10842 (parse_string): Use skip_string.
10843 (get_macro_name): New function.
10844 (check_macro_name): Delete.
10845 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10846 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10847 (handle_directive): ICE if we're called on a macro buffer.
10848 (do_define): Determine macro name and type (funlike/objlike)
10849 here. Expunge all uses of MACRODEF.
10850 (cpp_push_buffer): Set line_base to NULL.
10851 (do_undef, read_line_number): Don't worry about getting a POP token.
10852 (eval_if_expression): Set/reset parsing_if_directive around
10853 cpp_parse_expr. Don't clear only_seen_white.
10854 (skip_if_group): Remove output_conditionals logic. Use
10856 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10857 tokens under appropriate conditions.
10858 (cpp_unassert): Call do_unassert not do_assert. Oops.
10860 * cppexp.c (parse_defined): New function, break out of
10862 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10863 ourselves, with cpp_defined.
10864 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10866 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10867 * gcc.dg/strpaste-2.c: New.
10869 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10871 * fold-const.c (size_binop): Don't asert inputs are the same and
10872 have TYPE_IS_SIZETYPE set.
10873 (size_diffop): Likewise.
10875 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10877 * dwarfout.c (output_block): Output abstract blocks even if they
10878 don't have TREE_ASM_WRITTEN set.
10880 * calls.c (emit_library_call): Check for null REG.
10882 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10884 * c-decl.c (current_function_decl): Move to toplev.c.
10885 (init_decl_processing): Don't add current_function_decl as a ggc
10887 * dbxout.c (dbxout_symbol): Change return type to int.
10888 (dbxout_symbol_location, dbxout_syms): Likewise.
10889 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10890 any locals. Use current_function_func_begin_label if set.
10891 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10892 * dwarf2out.c (dwarf2out_begin_prologue): Set
10893 current_function_func_begin_label.
10894 * final.c (final_start_function): Reset it.
10895 * toplev.c (current_function_decl): Define it here.
10896 (current_function_func_begin_label): New variable.
10897 (main): Add both as ggc roots.
10898 * tree.h (current_function_func_begin_label): Declare.
10900 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10902 * gcse.c: Cleanups throughout: mostly white-space, but also
10903 some minor rearrangement of code.
10905 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10907 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10908 returns a PARALLEL. Use emit_group_load and use_group_regs
10910 (emit_library_call_value): Similarly.
10912 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10913 * pa/quadlib.asm: Remove.
10914 * pa/quadlib.c: New file.
10916 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10917 * configure: Rebuilt.
10919 2000-02-29 Philip Blundell <pb@futuretv.com>
10921 * config/arm/conix-elf.h: New file.
10922 * configure.in (arm*-*-conix*): New configuration.
10923 * configure: Regenerate.
10925 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10927 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10928 don't have TREE_ASM_WRITTEN set.
10930 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10932 * Eliminate DECL_FIELD_SIZE.
10933 * builtins.c (built_in_class_names, built_in_names): New variables.
10934 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10935 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10936 DECL_SIZE, not DECL_FIELD_SIZE.
10937 * print-tree.c (print_node): Remove code that prints extra blank
10938 lines in some cases.
10939 Properly handle inline and builtin function cases.
10940 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10941 * tree.h (built_in_class_named, built_in_names): New declarations.
10942 (union tree_decl): Rename internal unions to u1 and u2 and change
10943 some of their components.
10944 Add new field built_in_class.
10945 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10946 Reflect above changes.
10947 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10948 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10949 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10950 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10952 2000-02-28 Dmitri Makarov <dim@windriver.com>
10954 * extend.texi: Document ARM's support for long/short calls.
10956 * invoke.texi: Document ARM's -mlong-calls command line switch.
10958 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10959 (arm_encode_call_attribute): Add prototype.
10960 (arm_set_default_type_attribute): Add prototype.
10961 (arm_strip_name_encoding): Add prototype.
10963 * config/arm/arm.c (arm_init_cumulative_args): replace
10964 initialisation og 'long_calls' field with initialisation of
10965 'call_cookie' field.
10966 (enum arm_pragma_enum): New enum.
10967 (arm_pragma_long_calls): New static variable.
10968 (arm_process_pragma): Also process "#pragma long_calls_off".
10969 (arm_valid_type_attribute_p): Accept short_call attribute.
10970 (arm_comp_type_attributes): Check long/short call attributes.
10971 (arm_encode_call_attribute): New function: Encode long_call
10972 or short_call attribute in function name.
10973 (arm_set_default_type_attributes): New function: Assign
10974 default attributes to newly defined type.
10975 (current_file_function_operand): New function: Return true if
10976 the symbol is a function which has already been compiled.
10977 (arm_is_longcall_p): New function: Return true if the
10978 indicated function should be called via a long call.
10979 (arm_get_strip_length): New function. Returns number of
10980 prefix characters to be stripped from a function's name.
10981 (arm_strip_name_encoding): New function. Strip prefix characters
10982 from a function's name.
10984 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10985 with 'call_cookie'.
10986 (SHORT_CALL_FAG_CHAR): Define.
10987 (LONG_CALL_FAG_CHAR): Define.
10988 (ENCODED_SHORT_CALL_ATTR_P): Define.
10989 (ENCODED_LONG_CALL_ATTR_P): Define.
10990 (ARM_NAME_ENCODING_LENGTHS): Define.
10991 (STRIP_NAME_ENCODING): Define.
10992 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10993 (ARM_ENCODE_CALL_TYPE): Define.
10994 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10995 (ARM_DECLARE_FUNCTION_SIZE): Define.
10996 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10998 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10999 if a long call is needed.
11000 (call_value): Ditto.
11001 (call_symbol): Ditto.
11003 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
11004 ARM_DECLARE_FUNCTION_SIZE.
11006 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
11007 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
11008 (ARM_STRIP_NAME_ENCODING): Undefine.
11009 (STRIP_NAME_ENCODING): Undefine.
11010 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
11011 (ASM_DECLARE_FUNCTION_NAME): Ditto.
11012 (ASM_OUTPUT_COMMON): Ditto.
11013 (ASM_DECLARE_OBJECT_NAME): Ditto.
11015 * config/arm/pe.c (arm_dllexport_name_p): Check for
11017 (arm_dllimport_name_p): Ditto.
11018 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
11019 (arm_mark_dllimport): Ditto.
11021 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11023 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
11025 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11027 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11029 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11031 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11032 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11033 NO_BUILTIN_WCHAR_TYPE is not defined.
11034 (CPP_WCHAR_TYPE): Delete.
11035 * cccp.c (main): Don't change wchar_type if cplusplus.
11036 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11038 2000-02-28 Nick Clifton <nickc@cygnus.com>
11040 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11042 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11044 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11045 (ASM_WEAKEN_LABEL): Define.
11047 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11049 * expr.c (store_constructor): Do not emit USE.
11050 * rtl.h (stupid_life_analysis): Remove.
11052 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11054 * function.c (number_blocks): Reset next_block_index based on
11055 what debugging format is used, not what is defined.
11057 * lcm.c: Minor reformatting throughout.
11058 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11060 * toplev.c (rest_of_compilation): Account for time in
11061 optimize_mode_switching.
11063 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11064 if only marking labels.
11066 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11068 * calls.c (expand_call): Attempt to combine stack adjustments with
11069 pending stack adjustments.
11071 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11073 * loop.c (reg_in_basic_block_p): Don't abort when falling through
11074 to the end of the function.
11076 2000-02-27 Mark Mitchell <mark@codesourcery.com>
11078 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
11080 * final.c (next_block_index): Remove.
11081 (max_block_depth): Likewise.
11082 (pending_blocks): Likewise.
11083 (init_final): Don't initialize them.
11084 (final_start_function): Don't set next_block_index. Set up
11086 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
11087 * function.h (number_blocks): New function.
11088 * function.c (get_block_vector): New function.
11089 (identify_blocks): Use it.
11090 (reorder_blocks): Set NOTE_BLOCK.
11091 (number_blocks): New function.
11092 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11093 * tree.h (BLOCK_NUMBER): New macro.
11094 (tree_block): Add block_num field.
11095 * dbxout.c (next_block_number): Remove.
11096 (dbxout_init): Don't set it.
11097 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11098 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11100 * toplev.c (rest_of_compilation): Always call
11101 find_loop_tree_blocks. Fix indentation.
11102 * dwarf2out.c (next_block_number): Remove.
11103 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11104 to determine block numbers.
11105 (gen_inlined_subroutine_die): Likewise.
11106 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11107 (decls_for_scope): Don't increment next_block_number.
11108 * dwarfout.c (next_block_number): Remove.
11109 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11110 to determine block numbers.
11111 (output_inlined_subroutine_die): Likewise.
11112 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11113 (output_decls_for_scope): Don't increment next_block_number.
11114 * sdbout.c (next_block_number): Remove.
11115 (sdbout_block): Use BLOCK_NUMBER.
11116 (sdbout_begin_block): Simplify.
11117 * xcoffout.c (next_block_number): Remove.
11118 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11119 (xcoffout_begin_block): Don't set next_block_number.
11120 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11123 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11125 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11126 (expand_builtin_strcpy): Pass correct type to size_binop.
11127 (expand_builtin_strcmp): Likewise.
11128 Clean up conditional structure.
11129 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11130 (complete_array_type): Don't use size_binop for MAXINDEX.
11131 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11132 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11133 (c_alignof): Use size_one_node.
11134 (build_unary_op): Pass arg of proper type to size_binop.
11135 (really_start_incremental_init, push_init_level): Use sizetype for
11136 constructor{,_bit,_unfilled}_index.
11137 (pop_init_label, output_init_element): Likewise.
11138 (output_pending_init_elements, process_init_element): Likewise.
11139 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11140 * expr.c (store_expr): Use size_int.
11141 (store_constructor): Use proper types for size_binop args.
11142 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11143 (expand_expr_unaligned): Likewise.
11144 (string_contant): Return object of sizetype.
11145 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11146 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11147 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11148 * fold-const.c (int_const_binop): Refine when size_int is called.
11149 (fold_convert): Likewise.
11150 (size_int_wide): Rework to take KIND as arg, only take low order
11151 bits, handle new sizetype_tab datatype, and chain entries in
11153 (size_int_type_wide): New function.
11154 (size_binop): Validate types of arguments.
11155 (ssize_binop): Deleted.
11156 (size_diffop): New function.
11157 (extract_muldiv): Only fold division into multiplication for sizetypes.
11158 * function.c (assign_parms): Use size_diffop and make sure
11159 VAR field is of ssizetype; also pass proper type to size_binop.
11160 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11161 (round_down): Deleted from here.
11162 * store-layout.c (sizetype_tab): Now an array.
11163 (sizetype_set, early_root_list): New variables.
11164 (variable_size): Use size_one_node.
11165 (round_up): Pass proper type to size_binop.
11166 (round_down): Moved to here and corrected as above.
11167 (layout_record): Pass proper arg types to size_binop.
11168 (layout_type): Likewise.
11169 If sizetype_set is zero, record the type just laid out.
11170 (make_unsigned_type): Don't call set_sizetype;
11171 (make_signed_type): Likewise; also, call fixup_signed_type.
11172 (initialize_sizetypes): New function.
11173 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11174 set name of bitsizetype to "bit_size_type".
11175 Fix up type of sizes of all types made before call.
11176 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11177 * tree.c (fix_sizetype): Deleted.
11178 (build_common_tree_nodes): Call initialize_sizetypes.
11179 (build_common_tree_nodes_2): Don't call fix_sizetype.
11180 * tree.h (TYPE_IS_SIZETYPE): New macro.
11181 (initialize_sizetype): New declaration.
11182 (enum size_type_kind): New type.
11183 (struct sizetype_tab): Deleted.
11184 (sizetype_tab): Now array; adjust sizetype macros.
11185 (size_diffop, size_int_type_wide): New functions.
11186 (size_int_wide): Change number of args and type; access macros changed.
11187 (ssize_int, sbitsize_int): New macros.
11188 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11189 (ROUND_TYPE_SIZE_UNIT): New macro.
11191 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11193 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11195 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11197 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11198 Mark as possibly unused.
11200 * cse.c (cse_insn): Delete dead code involving tablejump.
11201 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11203 * Makefile.in (libcpp.a): Start by deleting it.
11205 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11207 * cpplib.h (enum file_change_code): Added rename_file.
11208 * cpplib.c (do_line): If a filename is given, set file_change to
11210 (output_line_command): If file_change is rename_file, always
11211 output a # directive with the file name.
11213 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11215 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11217 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11218 when copying a PARM_DECL or RESULT_DECL.
11220 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11222 * fix-header.c (recognized_function): Also fix prototypes for
11223 functions taking "void".
11225 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11227 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11228 looking at reg_reloaded_contents.
11230 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11232 * Makefile.in (STMP_FIXINC): New toggle.
11233 (LIBGCC2_DEPS): Delete all references.
11234 (stmp-headers): Delete target. All references either deleted
11235 or changed to stmp-int-headers.
11236 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11237 (LIBCPP_OBJS): Take out cppalloc.o.
11238 (cppalloc.o): Delete target.
11239 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11240 (gen-protos, fix-header): Link with libiberty.a.
11241 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11244 * configure.in: Remove refs to strerror.
11245 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11246 * system.h: Take out strerror stanza.
11248 * cpperror.c (my_strerror): Delete function.
11249 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11250 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11251 * cppalloc.c: Delete file.
11252 * gen-protos.c: Don't provide xrealloc.
11254 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11255 xstrerror throughout.
11257 2000-02-26 Bruce Korb <bkorb@gnu.org>
11259 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11260 match for DOS headers, too.
11261 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11263 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11265 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11266 is right for most ELF targets.
11267 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11268 Let the default file use %U properly.
11269 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11272 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11275 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11277 * toplev.c (documented_lang_options): Correct spelling error.
11278 (decode_d_option, decode_f_option, main): Likewise.
11280 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11282 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11283 to tell assembler it is permitted to expand large constants.
11285 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11287 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11288 (aux_info_suffix): Use.
11289 (SAVE_SUFFIX): New macro.
11290 (save_suffix): Use.
11291 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11292 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11293 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11295 * invoke.texi (Running Protoize): Update documentation.
11297 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11299 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11301 2000-02-25 John Wehle (john@feith.com)
11303 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11305 2000-02-25 Anthony Green <green@cygnus.com>
11307 * toplev.c (rest_of_compilation): Rebuild jump labels if
11308 combine_instructions has created a new direct jump.
11309 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11311 (combine_instructions): Call try_combine with new argument.
11312 Return non-null value when new direct jump instruction is created.
11313 * rtl.h: combine_instructions returns an int.
11315 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11317 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11318 jump when changing a computed jump into a jump to a known
11321 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11323 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11324 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11326 * i386.md (define_expand "clrstrsi"): Fix typo.
11328 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11330 * rtl.texi: Fix typo.
11332 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11334 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11335 UNITS_PER_WORD. Change caller initial_elimination_offset.
11336 (rounded_frame_size): Take into account that argument pushed has
11337 changed. Fix TARGET_ALIGN_DOUBLE problem.
11339 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11341 * haifa-sched.c (schedule_block): Explain the real reason
11342 we delete REG_SAVE_NOTEs on the first insn of a block.
11343 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11345 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11347 * input.h (push_srcloc): New function.
11348 (pop_srcloc): Likewise.
11349 * toplev.c (push_srcloc): Define it.
11350 (pop_srcloc): Likewise.
11352 2000-02-24 Richard Henderson <rth@cygnus.com>
11354 * flow.c (life_analysis): When collecting reg info, clear
11357 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11359 Fix bug exposed by reload.c no longer rounding the frame
11360 size to BIGGEST_ALIGNMENT:
11361 * sh.c (rounded_frame_size): New function.
11362 (sh_expand_prologue, sh_expand_epilogue): Use it.
11363 (initial_elimination_offset): Likewise.
11365 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11367 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11368 * sh-protos.h (sh_need_epilogue): Declare.
11369 * sh.c (sh_need_epilogue_known): New static variable.
11370 (sh_need_epilogue): New function.
11371 (function_epilogue): Clear need_epilogue_known.
11372 * sh.md (return): Split into expander / insn pattern.
11373 Make the expander conditional on ! sh_need_epilogue ().
11375 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11377 * machmode.h (get_mode_alignment): Declare.
11378 (GET_MODE_ALIGNMENT): Call it.
11379 * stor-layout.c (get_mode_alignment): New function. Make
11380 sure alignment is always power of 2.
11382 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11384 * i386.h: Remove useless definition of "I386" and misleading
11387 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11389 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11390 under which TREE_PERMANENT will be set.
11391 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11392 build1): Use TREE_SET_PERMANENT.
11393 * print-tree.c (print_node): Don't report value of
11394 TREE_PERMANENT if ggc_p is true.
11396 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11397 decide whether to give a type a new alias set.
11398 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11399 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11400 of value of 'obstack'.
11403 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11405 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11407 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11409 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11410 * cpplib.c (cpp_get_token): Produce them.
11411 * cppexp.c (cpp_lex): Handle them.
11413 2000-02-23 Nick Clifton <nickc@cygnus.com>
11415 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11416 comment tests on type attributes.
11418 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11420 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11421 conform to documentation.
11422 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11423 to check for special cases.
11424 * sh-protos.h (sh_loop_align): Declare.
11425 * sh.c (sh_loop_align): Define.
11427 2000-02-22 Andrew Haley <aph@cygnus.com>
11429 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11430 (SIZE_TYPE): Is 32 bits when using -mgp32.
11431 (PTRDIFF_TYPE): Ditto.
11433 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11435 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11437 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11439 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11440 BIGGEST_FIELD_ALIGNMENT a constant.
11442 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11444 * dwarf2out.c (output_line_info): Put the marker for the end of
11445 the line number info at the actual end.
11446 (gen_struct_or_union_type_die): Use decl_function_context
11447 to check for local classes.
11448 * dwarfout.c (output_type): Likewise.
11450 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11452 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11453 for arguments with a mode, but no type.
11454 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11455 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11456 * pa/long_double.h: New file.
11457 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11458 both have 128bit wide long doubles.
11459 * configure: Rebuilt.
11461 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11463 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11465 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11466 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11467 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11469 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11471 * integrate.c (compare_blocks, find_block): Likewise.
11473 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11475 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11477 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11478 expand_asm_operands): Likewise.
11480 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11482 * predict.c (estimate_probability): Added the pointer heuristic to
11483 the collection of static branch predictors.
11485 2000-02-21 Catherine Moore <clm@cygnus.com>
11487 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11488 * invoke.texi (-mfix7000): Document.
11490 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11492 * diagnostic.c (init_output_buffer): Make it possible to output at
11493 least 32 characters if we're given a too long prefix.
11495 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11497 * varasm.c (initializer_constant_valid_p): Call
11498 lang_expand_constant to simplify the constant.
11500 2000-02-20 Bruce Korb <bkorb@gnu.org>
11502 * fixinc/inclhack.def(stdio_va_list):
11503 typedef needs to be disabled.
11504 * fixinc/inclhack.sh: regen
11505 * fixinc/fixincl.x: regen
11507 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11509 * print-rtl.c (print_rtx): Don't print addresses when
11510 flag_dump_unnumbered.
11512 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11514 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11516 (sparc_va_arg, sparc_flat_output_function_prologue,
11517 sparc_flat_output_function_epilogue): Cast value to unsigned in
11519 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11521 * sparc.md: Add default case in switch.
11523 2000-02-19 Richard Henderson <rth@cygnus.com>
11525 * c-typeck.c (add_pending_init): Don't abort for multiple
11526 fields at the same offset.
11527 (pending_init_member): Test the correct member.
11529 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11531 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11533 (start_catch_handler) : Same.
11535 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11537 * Makefile.in: Have flow.o depend on $(EXPR_H)
11539 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11541 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11542 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11543 (finish_decl): Remove -Wlarger-than code from here.
11544 * flags.h (id_clash_len): Now int.
11545 (larger_than_size): Now HOST_WIDE_INT.
11546 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11547 Clean up checking to see if in table.
11548 (make_bit_field_ref): Remove extra parm to bitsize_int.
11549 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11550 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11551 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11552 and for computing size of decl.
11553 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11554 Move -Wlarger-than code to here.
11555 (layout_record): Remove extra arg to bitsize_int.
11556 Set TYPE_BINFO_SIZE_UNIT.
11557 (layout_union): Remove extra arg to bitsize_int.
11558 Use proper type for size of QUAL_UNION.
11559 (layout_type): Remove extra arg to bitsize_int.
11560 * toplev.c (id_clash_len): Now int.
11561 (larger_than_size): Now HOST_WIDE_INT.
11562 (decode_W_option): Clean up id-clash and larger-than- cases.
11563 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11564 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11565 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11566 (struct tree_decl): New field size_unit.
11567 (size_int_wide): No HIGH operand; NUMBER is now signed.
11568 (size_int_2): Deleted.
11569 (size_int, bitsize_int): Don't use it and rework args.
11570 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11572 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11574 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11576 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11578 * invoke.texi (Warning Options): Add an explanation of why
11579 you might want the -Wfloat-equal flag.
11581 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11583 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11584 * cppinit.c (new_pending_define): Add cast to avoid warning.
11585 * expmed.c (extract_bit_field): Likewise.
11586 * flow.c (enum reorder_skip_type): New type.
11587 (skip_insns_between_blcok): New it.
11588 Rework to avoid warning about possibly undefined variable.
11589 * function.c (assign_parms): Make thisparm_boundary unsigned.
11590 * genrecog.c (write_switch): Cast XWINT result to int.
11591 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11592 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11593 one for MIPS and one for Alpha.
11594 (get_tag, copy_object): Add casts to avoid warnings.
11595 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11596 * reload.c (find_reloads): Make TYPE enum reload_type.
11597 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11598 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11599 * varasm.c (compare_constant_1): Add cast to avoid warning.
11600 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11602 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11603 Cast switch operand of size to int.
11604 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11605 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11608 2000-02-18 Nick Clifton <nickc@cygnus.com>
11610 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11611 anything for an alignment of zero.
11613 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11614 anything for an alignment of zero.
11616 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11618 * gcc.texi (Bug Reporting): Refer to bugs.html.
11619 (Bug Lists): Likewise.
11620 * system.h (GCCBUGURL): New preprocessor define.
11621 * rtl.c (fancy_abort): Use it.
11622 * gcc.c (main): Likewise.
11624 2000-02-18 Richard Henderson <rth@cygnus.com>
11626 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11627 (life_analysis_1): Subsume into ...
11628 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11629 Use update_life_info for the relaxation.
11630 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11631 entry and regs_live_at_setjmp.
11632 (set_noop_p): Simplify.
11633 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11634 (record_volatile_insns): Split into ...
11635 (delete_noop_moves): ... here,
11636 (notice_stack_pointer_modification): ... here,
11637 (insn_dead_p): ... and here.
11638 (propagate_block): Don't query INSN_VOLATILE.
11639 (mark_used_regs): Mind !PROP_REG_INFO.
11640 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11641 not in life_analysis.
11643 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11645 * loop.c (canonicalize_condition): New function,
11646 broken out of get_condition.
11647 (get_condition): Use it.
11648 * expr.h (canonicalize_condition): Prototype it.
11650 * tree.h (tree_int_cst_msb): Declare.
11651 * tree.c (tree_int_cst_msb): New function.
11653 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11655 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11658 * invoke.texi (-fmessage-length=n): Document.
11660 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11662 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11664 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11666 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11667 after the prologue.
11669 2000-02-17 Nick Clifton <nickc@cygnus.com>
11671 * config/arm/thumb.c: Replace includes of system headers with
11672 #include "system.h".
11674 2000-02-16 Richard Henderson <rth@cygnus.com>
11676 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11677 Add crtbeginS.o and crtendS.o.
11678 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11679 (ENDFILE_SPEC): Use crtendS.o.
11680 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11682 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11683 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11684 shared and present.
11685 (__dso_handle): New variable.
11686 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11687 bias to __CTOR_END__.
11689 2000-02-16 Richard Henderson <rth@cygnus.com>
11691 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11693 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11695 * longlong.h (__clz_tab): Declare as static to match definition.
11697 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11699 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11700 (XREF_FILE_NAME): Define.
11702 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11703 (EH_FRAME_SECTION_ASM_OP): Define.
11704 (IDENT_ASM_OP): Define.
11705 (TEXT_SECTION_ASM_OP): Define.
11706 (CPP_SPEC): Define.
11707 (CTORS_SECTION_ASM_OP): Define.
11708 (CTOR_SECTION_FUNCTION): Use it.
11709 (DTORS_SECTION_ASM_OP): Define.
11710 (DTOR_SECTION_FUNCTION): Use it.
11712 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11714 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11717 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11718 debug_bb_n): New functions.
11719 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11720 * basic-block.h: Prototype new functions.
11722 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11724 * configure.in: Add support for avr target.
11725 * configure: Rebuilt.
11727 * invoke.texi: Add AVR invocation docs.
11728 * install.texi: Add information about AVR.
11729 * md.texi: Add AVR constraint letters description.
11730 * extend.texi: Add description for AVR specific attributes.
11732 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11734 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11736 2000-02-16 Nick Clifton <nickc@cygnus.com>
11738 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11739 (make_insn_raw): Move RTL check here.
11741 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11743 * version.c: Include gansidecl.h and version.h.
11745 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11747 * configure.in (gcc_version): When setting, narrow search to
11748 lines containing `version_string'.
11750 * Makefile.in (mainversion): Likewise.
11751 (GCC_H): New variable.
11752 (gcc.h): Delete target.
11753 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11754 (version.o): Depend on version.h.
11755 (dbxout.o): Don't depend on gcc.h.
11757 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11758 Michael Meissner <meissner@cygnus.com>
11760 * md.texi (Simple Constraints): Add item about whitespace.
11761 * genoutput.c (strip_whitespace): New.
11762 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11763 strip_whitespace for constraints.
11764 Test pointer using NULL, not 0.
11766 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11768 * cpplib.c (do_line): Pedwarn for #line > 32767.
11770 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11772 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11774 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11775 to default cpp spec.
11776 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11777 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11780 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11783 2000-02-15 Denis Chertykov <denisc@overta.ru>
11785 * configure.in: Add support for avr target.
11787 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11789 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11790 (sh_addr_diff_vec_mode): Don't declare.
11791 * sh.c (sh_addr_diff_vec_mode): Delete.
11793 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11795 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11797 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11799 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11800 (smulsi3_highpart_i): Name.
11801 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11802 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11803 (smulsi3_highpart, umulsi3_highpart): Likewise.
11805 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11806 correctly independent of endianness.
11807 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11808 confuse the optimizers.
11809 (mulsidi3+1, umulsidi3+1): New define_split.
11811 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11813 * config/sh/sh.md: Guard insn splits against illegal registers.
11814 * config/sh/sh.h: Correct comment about macros.
11816 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11817 Andrew MacLeod <amacleod@cygnus.com>
11819 * Makefile.in (lcm.o): Depend on insn-attr.h.
11820 * basic-block.h (optimize_mode_switching): Declare.
11821 * lcm.c (tm_p.h, insn-attr.h): #include.
11822 (seginfo, bb_info): New structs.
11823 (antic, transp, comp, delete, insert) : New file-scope static variables.
11824 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11825 (reg_becomes_live, optimize_mode_switching): Likewise.
11826 * tm.texi: Add description of mode switching macros.
11827 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11829 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11830 (fldi_ok, fpscr_set_from_mem): New prototypes.
11831 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11832 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11833 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11834 (sh_flag_remove_dead_before_cse): Remove declaration.
11835 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11836 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11837 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11838 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11839 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11840 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11841 (fldi_ok): New function.
11842 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11843 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11844 (emit_df_insn): Likewise.
11845 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11846 (sh_flag_remove_dead_before_cse): Delete.
11847 (get_free_reg, fpscr_set_from_mem): New functions.
11848 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11849 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11851 2000-02-15 Loren Rittle <ljrittle@acm.org>
11853 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11855 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11857 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11858 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11860 * cccp.c: Include version.h and/or don't declare `version_string'.
11861 * collect2.c: Likewise.
11862 * alpha.c: Likewise.
11863 * arm/aof.h: Likewise.
11864 * arm/coff.h: Likewise.
11865 * arm/elf.h: Likewise.
11866 * arm/pe.h: Likewise.
11867 * arm/tcoff.h: Likewise.
11868 * arm/telf.h: Likewise.
11869 * arm/tpe.h: Likewise.
11870 * arm/vxarm.h: Likewise.
11871 * convex/convex.c: Likewise.
11872 * i386/dgux.c: Likewise.
11873 * i386/sun386.h: Likewise.
11874 * m88k/m88k.c: Likewise.
11875 * mcore/mcore-pe.h: Likewise.
11876 * mips/mips.h: Likewise.
11877 * romp/romp.h: Likewise.
11878 * sh/sh.c: Likewise.
11879 * cpphash.c: Likewise.
11880 * cppinit.c: Likewise.
11881 * dwarf2out.c: Likewise.
11882 * dwarfout.c: Likewise.
11885 * mips-tfile.c: Likewise.
11886 * protoize.c: Likewise.
11887 * toplev.c: Likewise.
11888 * tree.h: Likewise.
11890 * version.c (version_string): Constify a char*.
11892 * version.h: New file.
11894 2000-02-14 Nick Clifton <nickc@cygnus.com>
11896 * configure.in: Add mcore-elf and mcore-pe targets.
11897 * configure: Regenerate.
11899 * NEWS: Add note that MCore port has been contributed.
11901 * invoke.texi: Document command line switches for MCore port.
11902 * install.texi: Add MCore to list of supported targets.
11904 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11906 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11907 then we will need to import the frame handling functions.
11908 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11909 to import the frames themselves.
11911 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11912 Jason Eckhardt <jle@cygnus.com>
11914 * basic_block.h: Added prototype for reorder_basic_blocks.
11915 * toplev.c: Changes to add -freorder-blocks and graph dump after
11916 block reordering is done.
11917 * flow.c (reorder_block_def): New structure for use during block
11919 (REORDER_BLOCK_*): New macros to access members of above structure.
11920 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11921 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11922 functions for block reordering.
11924 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11926 * gcc.texi (Passes): Fix typo.
11927 * md.texi (Standard Names): Ditto.
11928 * tm.texi (Storage Layout): Ditto.
11930 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11932 * cpplib.c (do_define): Only free the old definition if it
11935 2000-02-13 Neil Booth <NeilB@earthling.net>
11937 * cppfiles.c (read_and_prescan): When emitting deferred
11938 newlines, test speccase[] again instead of checking each
11939 possible whitespace character in turn. When we encounter \r,
11940 look behind for \n first, then ahead.
11942 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11944 * cse.c (cse_altered): New internal flag.
11945 (cse_insn): Set it if we changed an insn.
11946 (cse_main): Clear cse_altered before each basic block.
11947 Only garbage collect if cse_altered is true afterward.
11949 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11951 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11953 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11955 * combine.c (simplify_comparison): Fix typo.
11957 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11959 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11962 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11964 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11965 previously inserted node instead of root node. Caller changed.
11967 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11969 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11971 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11973 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11974 __dereg_frame_dtor): Add prototype argument.
11976 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11978 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11980 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11982 * gthr-vxworks.h (__gthread_once): Likewise.
11984 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11986 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11988 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11989 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11990 stack pointer in functions w/o saved registers, output LEAVE more often
11991 on TARGET_USE_LEAVE machines.
11993 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11995 * config/arm/arm.c (arm_init_cumulative_args); New function:
11996 Initlaise the CUMULATIE_ARGS strcuture for a function
11998 (arm_function_arg): New function: Determine where to place a
11999 function's argument. Also handles deciding the function's
12001 (current_file_function_operand): New function: Return true if
12002 the symbol is a function which has already been compiled.
12003 (arm_is_long_call_p): New function: Return true if the
12004 indicated function should be called via a long call.
12005 (arm_valid_type_attribute_p): New function: Return true if the
12006 attribute is a valid, arm specific, attribute.
12007 (arm_comp_type_attribute): New function: Return true if the
12008 two types have compatable, arm specific, attributes.
12010 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
12012 (FUNCTION_ARG): Redefine to call arm_function_arg.
12013 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
12015 (INIT_CUMULATIVE_ARGS): Redefine to call
12016 arm_init_cumulative_args.
12017 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
12019 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
12021 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
12023 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
12024 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
12025 (COMP_TYPE_ATTRIBUTES): Define.
12027 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12028 if a long call is needed.
12029 (call_value): Call arm_is_long_call_p to decide if a long call
12031 (call_symbol): Call arm_is_long_call_p to decide if a long call
12034 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12036 2000-02-11 Denis Chertykov <denisc@overta.ru>
12038 * README.AVR: New file with information about the avr ports.
12039 * config/avr: New directory with avr port files.
12041 2000-02-11 Andreas Jaeger <aj@suse.de>
12043 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12045 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12047 * cpphash.c: Fix formatting, update commentary.
12048 (dump_definition): Take three separate arguments instead of a
12049 MACRODEF structure argument.
12050 * cpphash.h: Update prototype of dump_definition.
12051 * cppinit.c (cpp_finish): Update call of dump_definition.
12053 * cpplib.c (do_define): Always create new hash entry with
12054 T_MACRO type. Remove redundant check for redefinition of
12055 poisoned identifier. Update call of dump_definition.
12056 (do_undef): Don't call check_macro_name. Rename sym_length to
12058 (do_error, do_warning): Don't use copy_rest_of_line or
12060 (do_warning): Don't use pedwarn for the actual warning,
12061 only the notice about its not being in the standard. (Fixes
12062 bug with #warning in system headers.)
12063 (do_ident): Stricter argument checking - accept only a single
12064 string after #ident. Also, macro-expand the line.
12065 (do_xifdef): Use cpp_defined. De-obfuscate.
12067 (do_pragma): Split out specific pragma handling to separate
12068 functions. Use get_directive_token. Update commentary. Do
12069 not pass on #pragma once or #pragma poison to the front end.
12070 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
12071 do_pragma_default): New.
12073 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
12075 * jump.c (jump_optimize_1): The first operand in a relational
12076 can be a CONST_INT.
12077 * optabs.c (emit_conditional_move): Handle relationals which
12078 have a known true/false result.
12080 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12082 * function.c (thread_prologue_and_epilogue_insns): Don't insert
12083 a RETURN insn into a block which already ends with a jump.
12085 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12087 * haifa-sched.c (BUF_LEN): Increase a lot.
12089 2000-02-11 Nick Clifton <nickc@cygnus.com>
12091 * configure.in: Add tm_p_file specification for thumb targets.
12092 * configure: Regenerate.
12094 * config/arm/thumb-protos.h: New file: Prototypes for exported
12095 functions defined in thumb.c.
12097 2000-02-11 Robert Lipe <robertl@sco.com>
12099 * Makefile.in (bootstrap-lean): Remove additional files.
12100 (bootstrap2-lean): Likewise.
12101 (VOL_FILES): List of files for above.
12103 2000-02-11 Nathan Sidwell <nathan@acm.org>
12105 * cpphash.c (special_symbol): Remove spurious argument to
12108 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12110 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12112 * configure: Rebuilt.
12114 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12116 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12118 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12120 * pa.c, pa.h: Remove trigraph sequences within comments.
12122 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12124 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12126 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12128 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12130 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12132 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12134 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12136 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12137 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12138 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12139 (ASM_FILE_END): Use c4x_file_end.
12140 * config/c4x/c4x.c (c4x_global_label): New function.
12141 (c4x_external_ref, c4x_file_end): Likewise.
12143 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12144 (c4x_external_ref, c4x_end_file): Likewise.
12146 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12148 * cppexp.c: Don't include cpphash.h.
12149 (parse_charconst, cpp_lex): Use cpp_defined.
12150 (cpp_lex): Use get_directive_token throughout. Remove
12151 unnecessary cases from switch. Move assertion-handling code
12152 down to OTHER case.
12153 (cpp_parse_expr): If we see '+' or '-', check the context to
12154 determine if they are unary or binary operators. Streamline
12155 the jumps a bit. Do not call skip_rest_of_line.
12157 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12158 static. Export get_directive_token. Update commentary.
12159 (cpp_defined): New function.
12160 (do_define): Remove reference to T_PCSTRING. Call
12161 free_definition to release memory for old definition, when
12162 redefining a macro.
12163 (eval_if_expression): Set only_seen_white to 0 before calling
12164 cpp_parse_expr. Call skip_rest_of_line after it returns.
12165 (cpp_read_check_assertion): Don't preserve a pointer into the
12166 token buffer across a call to cpp_get_token.
12168 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12169 * cppfiles.c (redundant_include_p): Use cpp_defined.
12170 * cpphash.c (free_definition): New function.
12171 (delete_macro): Use it. Update commentary.
12172 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12174 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12175 from enum node_type. Prototype cpp_defined and get_directive_token.
12176 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12178 * fix-header.c (check_macro_names): Use cpp_defined.
12179 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12180 the options structure.
12182 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12184 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12186 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12188 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12189 rather than die->die_tag.
12191 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12193 * combine.c (make_extraction, force_to_mode): Avoid warning on
12194 mixed-signedness conditionals.
12195 (make_field_assignment, nonzero_bits): Likewise.
12196 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12197 (store_split_bit_field, extract_split_bit_field): Likewise.
12198 (extract_fixed_bit_field, store_bit_field,
12199 * expr.c: Change alignment to be unsigned everywhere.
12200 (move_by_pieces, store_constructor_field, store_constructor):
12201 Alignment parm is unsigned.
12202 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12203 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12204 (do_compare_rtx_and_jump): Likewise.
12205 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12206 Compare align with GET_MODE_ALIGNMENT.
12207 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12208 (get_inner_reference): Likewise.
12209 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12210 (expand_assignment): Local vars for alignment now unsigned.
12211 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12212 (do_compare_and_jump): Likewise.
12213 (store_field): Call new function expr_align.
12214 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12215 Alignment arg now unsigned.
12216 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12217 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12218 (extract_bit_field): Likewise.
12219 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12220 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12221 (get_best_mode): Alignment arg is unsigned.
12222 * rtl.h (move_by_pieces): Likewise.
12223 * store-layout.c (maximum_field_alignment, set_alignment):
12225 (layout_decl): Alignment arg is now unsigned.
12226 Remove unneeded casts.
12227 (layout_record, layout_union, layout_type): Remove unneeded casts.
12228 Local alignment variables now unsigned.
12229 (get_best_mode): Alignment arg now unsigned.
12230 * tree.c (expr_align): New function.
12231 * tree.h (expr_align): Likewise.
12232 (maximum_field_alignment, set_alignment): Now unsigned.
12233 (get_inner_reference): Alignment argument is now pointer to unsigned.
12234 * varasm.c (assemble_variable): Add cast to eliminate warning.
12236 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12238 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12239 then store directly into op0.
12241 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12242 the CALL_INSN, and emit the note immediately after it.
12244 2000-02-10 Nick Clifton <nickc@cygnus.com>
12246 * config/arm/thumb.md (epilogue): Include a (return) in the
12247 generated insn, and emit it using emit_jump_insn not
12250 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12252 * function.c (assign_temp): Change zero-sized arrays to size 1.
12253 * integrate.c (expand_inline_function): Do not update
12254 stack_alignment_needed
12255 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12256 add some sanity checking, remove optimization for function with
12259 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12261 * flow.c (mark_regs_live_at_end): Delete unused variables.
12263 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12265 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12266 in macro FRAME_GROWS_DOWNWARD.
12268 * stmt.c (expand_end_bindings): Delete unused variable.
12270 * unroll.c (iteration_info): Mark parameter `loop' with
12273 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12275 * fixinc/server.c (load_data): Return NULL if the marker line is
12277 (run_shell): If load_data returns NULL, retry the command once, in
12280 * configure: Rebuilt.
12282 2000-02-09 Bruce Korb <bkorb@gnu.org>
12284 * gcc/fixincludes: ** DELETED **
12285 * gcc/fixcpp: ** DELETED **
12286 * gcc/fixinc-nt.sed: ** DELETED **
12287 * gcc/just-fixinc: ** DELETED **
12288 * gcc/Makefile.in: Removed out-dated commentary
12289 * gcc/configure.in: Removed fast-fixincludes disablement.
12290 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12292 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12293 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12296 2000-02-09 Richard Henderson <rth@cygnus.com>
12298 * jump.c (delete_insn): Don't delete user labels at -O0.
12300 2000-02-09 Robert Lipe <robertl@sco.com>
12302 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12303 Don't link with HOST_LIBS.
12305 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12307 * configure.in: Correct --help text for --with-dwarf2.
12308 Put tm-dwarf2.h after other tm files, if it's requested.
12309 * configure: Regenerate.
12310 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12313 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12315 * cpplib.h: Provide HASHNODE typedef and forward decl of
12316 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12317 DEFINITION, struct hashnode, struct macrodef, struct
12318 definition, scan_decls prototype, default defn of
12319 INCLUDE_LEN_FUDGE moved elsewhere.
12321 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12322 definition, and struct hashnode moved here. Remove the unused
12323 'predefined' field from struct definition. Replace the 'args'
12324 union with its sole member. All users updated (cpphash.c).
12325 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12326 multiple include guard.
12328 * cpphash.c (hashf): Make static; use better algorithm; drop
12329 HASHSIZE parameter; return an unsigned int.
12330 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12331 used. Calculate HASHSIZE modulus here.
12332 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12334 (create_definition): Drop PREDEFINITION parameter.
12335 * cpplib.c (do_define): Don't calculate a hash value here.
12336 Don't pass (keyword == NULL) to create_definition.
12338 * scan.h: Prototype scan_decls here.
12339 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12340 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12341 callers of cpp_lookup and cpp_install updated.
12343 * cpphash.c (macarg): Hoist all the flag diddling out of the
12345 (macroexpand): ... and out of the loop that calls macarg.
12346 Skip over the initial paren before macro arguments with
12347 cpp_get_non_space_token; point may be some distance before
12348 that paren. Abort if it's not there.
12350 * cpplib.c (parse_clear_mark): Delete function.
12351 (parse_set_mark, parse_goto_mark): Make static.
12352 (ACTIVE_MARK_P): New macro.
12353 (skip_block_comment, skip_line_comment): Do not bump the line
12354 if ACTIVE_MARK_P is true.
12355 (cpp_pop_buffer): The buffer to be popped may not have an
12357 (cpp_get_token): When looking for the initial paren before
12358 macro arguments, only set a mark in a file buffer, Always
12359 return to that mark before proceeding to call macroexpand or
12360 return a NAME token.
12362 * cpplib.h: Remove prototypes of parse_set_mark,
12363 parse_clear_mark, parse_goto_mark.
12364 (struct cpp_options): Rename 'put_out_comments' to
12365 'discard_comments' and invert its sense.
12366 * cppinit.c, cpphash.c, cpplib.c: All users of
12367 put_out_comments changed to use discard_comments, with
12370 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12372 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12373 the edge from a block that both jumps and falls through to the
12376 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12378 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12379 constant source address is legitimate.
12381 2000-02-09 Philip Blundell <pb@futuretv.com>
12383 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12386 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12388 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12390 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12392 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12393 ends with a newline and a NUL. Don't be so clever manipulating
12396 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12398 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12399 not to BIGGEST_ALIGNMENT.
12401 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12403 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12404 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12405 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12406 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12407 * frame.c (execute_cfa_insn): Handle
12408 DW_CFA_GNU_negative_offset_extended.
12410 2000-02-08 Richard Henderson <rth@cygnus.com>
12412 * flow.c (tidy_fallthru_edges): Split out from ...
12413 (delete_unreachable_blocks): ... here.
12414 (find_basic_blocks): Use it.
12416 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12418 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12420 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12422 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12423 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12424 (fix-header.o): Don't depend on cpphash.h.
12426 * scan.c (hashstr): New function.
12427 * scan.h: Prototype it.
12428 * fix-header.c: Don't include cpphash.h. Use hashstr.
12429 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12430 hashstr. Report hash table statistics. Add private
12431 definition of xrealloc.
12433 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12435 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12437 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12439 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12440 jumps with returns unless they are jumps to the fallthru block.
12442 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12444 * i386.md (addqi3_cc): Fix contraints.
12446 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12448 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12450 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12452 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12453 carriage return after a macro name.
12455 2000-02-07 Fred Fish <fnf@be.com>
12457 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12458 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12460 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12462 * cppfiles.c (deps_output): Count spacers in deps_column.
12464 2000-02-07 Neil Booth <NeilB@earthling.net>
12466 * cppinit.c (initialize_dependency_output): If there is no
12467 suffix, don't try to look for known suffixes. Use strrchr.
12468 (cpp_start_read): Remove duplicate initialization.
12470 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12472 * calls.c (compute_argument_block_size): New argument
12473 preferred_stack_boundary.
12474 (expand_call): update cfun->preferred_stack_boundary, update call of
12475 compute_argument_block_size
12476 (emit_library_call): Increate cfun->preferred_stack_boundary
12477 to PREFERRED_STACK_BOUNDARY
12478 (emit_library_call_value): Likewise.
12479 * explow.c (allocate_dynamic_stack_spave): Likewise.
12480 * function.c (prepare_function_start): Set
12481 cfun->preferred_stack_boundary
12482 * function.h (struct function): Add preferred_stack_boundary field.
12483 * integrate.c (expand_inline_function): Update
12484 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12485 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12486 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12488 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12490 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12491 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12492 cpp_pedwarn, cpp_pedwarn_with_line,
12493 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12494 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12495 v_cpp_error_with_line, v_cpp_warning_with_line,
12496 cpp_message_from_errno, cpp_perror_with_name): Delete.
12498 * cpperror.c (cpp_print_containing_files): Take starting
12499 buffer as argument.
12500 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12501 (v_cpp_message): Now called directly by all entry points.
12503 (cpp_pfatal_with_name, cpp_message): Delete.
12504 (cpp_notice_from_errno, cpp_ice): New functions.
12505 (cpp_notice): Is now for reporting error conditions, just
12506 without an associated file.
12507 (cpp_error, cpp_error_with_line): Don't do anything if
12508 opts->inhibit_errors is on.
12509 (cpp_pedwarn_with_file_and_line): Take column argument also.
12511 * cpplib.h: Update prototypes of exported functions.
12512 (struct cpp_options): Add inhibit_errors.
12514 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12515 non-error messages. Include intl.h.
12517 * cppinit.c, cppmain.c: Likewise. Also, use
12518 cpp_notice_from_errno instead of cpp_perror_with_name or
12519 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12521 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12522 report internal errors.
12524 * cpplib.c (do_define): Switch bcopy to memcpy.
12525 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12527 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12528 bail out early if we hit a line comment.
12530 2000-02-06 Richard Henderson <rth@cygnus.com>
12532 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12533 * basic-block.h: Declare them.
12534 * emit-rtl.h (active_insn_p): New.
12535 (next_active_insn, prev_active_insn): Use it.
12536 * rtl.h: Declare it.
12537 * function.c (emit_return_into_block): New.
12538 (thread_prologue_and_epilogue_insns): Insert return insns instead
12539 of epilogues when possible.
12540 * jump.c (jump_optimize_1): Remove code to insert a return insn
12541 on the fallthru to the exit block.
12543 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12544 and for non-empty stack frames.
12545 * i386.md (return): Expand to return-pop as needed.
12547 2000-02-06 Richard Henderson <rth@cygnus.com>
12549 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12550 constant to op1 for testing.
12552 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12554 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12555 (fixuns_truncqfqi2): Use it.
12557 2000-02-06 Richard Henderson <rth@cygnus.com>
12559 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12560 as a TYPE_LEA insn.
12562 * i386.md (widening and peepholes): Mask the constant instead of
12565 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12567 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12568 input pointer before possibly branching off to the backslash
12570 * cpphash.c (macroexpand): Correctly delete \r escapes when
12571 stringifying parameters.
12572 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12573 if we can; bail out early if we hit a line comment.
12574 (handle_directive): Treat '# 123' in an .S file just like
12575 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12576 Return 1 for '# not_a_directive'.
12577 (get_directive_token): Pop macro buffers here, so that
12578 cpp_get_token can't sneakily move past a newline.
12580 (cpp_get_token): goto randomchar if handle_directive returns 0.
12582 * cppalloc.c: Update copyright.
12583 * cpplib.c: Merge all the static function prototypes into one
12585 * cpplib.h: Remove #if 0 block.
12587 * cpperror.c: Remove #ifdef EMACS block.
12588 * cppmain.c: Likewise.
12589 * cpphash.c: Remove #if 0 blocks.
12590 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12591 * cpplib.c: Remove #if 0 blocks and code referencing
12592 pcp_inside_if or for_lint. Remove duplicate error message.
12593 Fix error messages for #else after #else or #elif. Reformat.
12594 Remove archaic TODO list.
12595 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12597 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12599 * i386/osf1elf.h: Add missing backslash to multiline string.
12601 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12603 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12605 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12607 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12609 * c-common.c: Include expr.h.
12611 * c-pragma.c (mark_align_stack): Add prototype.
12613 * caller-save.c (add_stored_regs): Likewise.
12615 * combine.c (record_promoted_value): Likewise.
12617 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12620 * cppinit.c (new_pending_define): Likewise.
12622 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12624 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12625 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12626 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12627 class_scope_p): Likewise.
12629 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12630 dwarf2out_add_library_unit_info): Likewise.
12632 * ggc.h (ggc_page_print_statistics): Likewise.
12634 * haifa-sched.c (propagate_deps): Likewise.
12636 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12638 * rtl.h (set_stack_check_libfunc): Likewise.
12640 * toplev.h (set_fatal_function): Likewise.
12642 * toplev.c (set_fatal_function): Delete prototype.
12644 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12646 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12648 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12649 (FUNC_END): Likewise.
12651 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12653 * caller-save.c: Include tm_p.h.
12655 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12657 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12659 2000-02-04 Neil Booth <NeilB@earthling.net>
12661 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12664 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12666 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12667 * genflags.c: Use the max_operand_1 logic from genemit.c to
12668 calculate how many arguments gen_insn prototypes have. Remove
12669 NO_MD_PROTOTYPES ifdefs from the generated file.
12670 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12671 file. Cast gen_insn initializers to insn_gen_fn.
12672 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12673 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12675 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12677 * fixinc/Makefile.in (HDR): Add machname.h.
12680 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12682 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12683 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12684 (c4x_cpu_version): Ditto.
12685 * config/c4x/c4x-protos.h: ... here.
12687 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12689 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12690 gen_abstract_function on our context if we're a nested function.
12692 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12694 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12695 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12697 2000-02-04 Bruce Korb <bkorb@gnu.org>
12699 * fixinc/genfixes(machname.h):
12700 Move the functionality from gen-machine.h into this file.
12701 UNdef MN_NAME_PAT if there are no names to change.
12702 Also, be a little kinder when AutoGen is not present.
12704 * fixinc/Makefile.in(machname.h):
12705 Change the generation rule to use genfixes.
12707 * fixinc/fixfixes.c(machine_name):
12708 machine_name_fix's functionality now dependent upon whether
12709 MN_NAME_PAT is defined.
12711 * fixinc/fixtests.c(machine_name):
12714 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12717 * fixinc/fixlib.h(mn_get_regexps):
12720 * fixinc/gen-machine.h: DELETED
12722 2000-02-04 Jan Hubicka <jh@suse.cz>
12723 Richard Henderson <rth@cygnus.com>
12725 * i386.c (SAVE_REGS_FIRST): Remove.
12726 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12727 (ix86_compute_frame_size): Likewise.
12728 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12729 (ix86_emit_restore_regs): Remove.
12730 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12731 when a frame pointer is in use.
12732 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12733 instead of pop to restore a register when profitable; emit leave
12735 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12736 as a TYPE_LEA insn.
12737 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12738 * i386.md (prologue_allocate_stack): Remove.
12739 (epilogue_deallocate_stack): Remove.
12740 (pro_epilogue_adjust_stack): New.
12742 2000-02-04 Richard Henderson <rth@cygnus.com>
12744 * function.c (diddle_return_value): Rework to use a callback function.
12745 Use current_function_return_rtx if it's been set up.
12746 (do_clobber_return_reg, clobber_return_register): New.
12747 (do_use_return_reg, use_return_register): New.
12748 (expand_function_end): Use them.
12749 * stmt.c (expand_null_return): Likewise.
12750 * function.h: Declare them.
12751 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12752 (mark_reg): Change arguments as appropriate for callback.
12753 * integrate.c (expand_inline_function): Revert 19 Jan change.
12755 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12757 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12758 (Misc): Say the scheduler, not the Haifa scheduler.
12760 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12762 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12763 when in_mem is set. Update all callers.
12765 2000-02-04 Richard Henderson <rth@cygnus.com>
12767 * i386/openbsd.h (INT_ASM_OP): Define.
12769 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12771 * tm.texi: Fix various typos.
12773 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12775 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12776 (MD_STARTFILE_PREFIX_1): New macro.
12778 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12780 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12781 destination when needed.
12782 (strmovsi, strsetsi): New expander.
12783 (strmovsi_1, strsetsi_1): New pattern.
12784 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12785 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12786 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12787 * invoke.texi (align-stringops, inline-all-stringops): Document.
12789 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12791 * i386/netbsd.h (INT_ASM_OP): Define.
12793 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12795 * cpplib.h (cpp_reader): Add new flag, no_directives.
12796 * cpphash.c (macarg): Set it.
12797 * cpplib.c (handle_directive): If no_directives is on and we
12798 find a directive, issue an error and discard the line.
12800 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12802 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12803 FP constants. Add ! TARGET_FPU check for FP constants.
12805 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12807 * flow.c (find_basic_blocks): Don't kill label_value_list
12809 (cleanup_cfg): Kill it here.
12811 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12813 * expr.c (store_field): Ensure ALIGN is no stricter than the
12816 2000-02-02 Richard Henderson <rth@cygnus.com>
12818 * jump.c (delete_insn): Partially revert 19 Jan change;
12819 don't convert unused code labels to notes at -O0.
12821 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12823 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12824 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12826 2000-02-01 Richard Henderson <rth@cygnus.com>
12828 * i386.c (general_no_elim_operand): New.
12829 (nonmemory_no_elim_operand): New.
12830 (ix86_expand_move): Copy eliminable operands before a push.
12831 * i386-protos.h: Declare new functions.
12832 * i386.h (CAN_ELIMINATE): Simplify.
12833 (PREDICATE_CODES): Update.
12834 * i386.md (push insns): Don't allow eliminable register operands.
12836 2000-02-01 Richard Henderson <rth@cygnus.com>
12838 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12839 replace BLKmode with DECL_RTL's mode.
12841 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12843 * frame.c (find_fde): Convert for loop to do-while so compiler
12844 sees it's always executed at least once.
12845 * libgcc2.c (BBINBUFSIZE): Kill.
12846 (__bb_init_prg): Use fgets.
12847 (__bb_exit_trace_func): Don't paste strings.
12848 * unroll.c (unroll_loop): Initialize unroll_type, not
12849 unroll_number, and tweak logic to match.
12851 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12853 (ix86_flags_dependant): Likewise. Disentangle control flow.
12854 (ix86_sched_reorder): Break guts out to
12855 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12856 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12859 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12860 use string concatenation. Don't save and restore esi.
12862 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12863 (machname.h): Remove script to separate file. Use two-step
12864 sequence so target is not created if script fails.
12865 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12866 identifiers are defined.
12867 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12868 an empty string, machine_name doesn't need to do anything at
12870 (is_cxx_header): Add more cases to regexp.
12871 * fixinc/fixlib.h: Update prototype.
12872 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12874 * fixinc/fixincl.c: Define NO_BOGOSITY.
12876 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12877 (hp_sysfile): Add missing comma.
12878 (math_exception): Put the wrapper ifdefs at the beginning and
12879 the end of the file.
12880 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12882 2000-02-01 Richard Henderson <rth@cygnus.com>
12884 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12885 Use CONST0_RTX. Update all callers.
12886 * sparc.h, sparc-protos.h: Update accordingly.
12887 * sparc.md (fp mov insns): Use fp_zero_operand directly
12890 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12892 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12895 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12897 * Makefile.in (specs.ready): New target.
12898 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12900 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12902 * fixinc.irix: Use unique filenames for writing into /tmp,
12903 * fixinc.ptx: Likewise.
12904 * fixinc.sco: Likewise.
12905 * fixinc.svr4: Likewise.
12906 * fixinc.winnt: Likewise.
12908 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12910 * tsystem.h: New file.
12912 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12913 s-crtS): Depend on tsystem.h.
12915 * crtstuff.c: Include tsystem.h.
12916 * frame.c: Likewise.
12917 * libgcc2.c: Likewise.
12919 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12921 * builtins.c (expand_builtin_memset): Expand for variable sized
12924 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12926 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12929 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12931 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12933 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12935 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12937 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12938 case 3->2 combining (combining with splitting) in which 2 is CC0
12939 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12940 checked at the begining of the function with the aid of calling
12941 function 'can_combine_p'.
12943 2000-01-31 Dave Brolley <brolley@redhat.com>
12945 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12947 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12949 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12952 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12954 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12956 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12959 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12961 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12962 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12963 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12964 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12965 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12966 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12967 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12968 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12969 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12970 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12972 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12973 Add %(cpp_cpu) to CPP_SPEC.
12975 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12976 Add %(cc1_cpu) to CC1_SPEC.
12978 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12980 * c-decl.c (c_decode_option): Accept optional numeric argument to
12981 -Wformat and set warn_format.
12982 * c-common.c: Don't emit warning about non-constant printf format
12983 string unless warn_format > 1.
12985 2000-01-30 Richard Henderson <rth@cygnus.com>
12987 * alpha.md (return_internal): Allow after reload only.
12989 2000-01-30 Richard Henderson <rth@cygnus.com>
12991 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12992 local frame size is zero.
12994 2000-01-30 Richard Henderson <rth@cygnus.com>
12996 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12997 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12998 * alpha.md (return): Turn into an expander.
12999 (return_internal): Don't use $26.
13000 (epilogue): Emit the return insn.
13002 2000-01-30 Richard Henderson <rth@cygnus.com>
13004 * alpha.md (negtf2, abstf2): Fix word order thinko.
13005 (extendsftf2): New.
13006 (trunctfsf2): Avoid intermediate rounding errors.
13008 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13010 * cppfiles.c (find_position): Drop 'colp' argument, return the
13012 (read_and_prescan): Adjust to match. Don't ever manipulate
13013 line or line_base except via find_position.
13015 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13017 * c-parse.in: Apply Ulrich's changes from c-parse.y.
13018 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
13021 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13023 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
13024 just print "<command line>". If 'filename' is null or an
13025 empty string, print "<stdin>" for the filename.
13026 * cpplib.c (do_define): Don't print the 'location of the
13027 previous definition' message if we're still parsing the
13029 (cpp_pedwarn_with_file_and_line): Always call
13030 cpp_file_line_for_message.
13032 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13034 * flow.c (mark_regs_live_at_end): Fix typo.
13036 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13038 * c-common.c: Adjust variable names, comments, help strings to c99.
13039 * c-lex.c: Likewise.
13040 * c-parse.y: Likewise.
13041 * c-tree.h: Likewise.
13042 * cccp.c: Likewise.
13043 * cpplib.h: Likewise.
13044 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13045 * cppinit.c: Likewise.
13047 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13049 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13050 * c4x.c: Define the optab rtx values.
13051 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13052 (c4x_emit_libcall): Use new optab rtx values.
13053 (c4x_emit_libcall3): Likewise.
13054 (c4x_emit_libcall_mulhi): Likewise.
13055 * c4x-protos.h: Add prototypes for optab rtx values and change
13056 prototypes for above c4x_emit_libcall functions.
13058 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13060 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13062 (c4x_function_prologue): Use regnames intead of float_reg_names when
13064 (c4x_function_epilogue): Likewise.
13065 (c4x_print_operand): Likewise.
13066 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13067 * c4x.md (set_high): Disable for TARGET_TI.
13069 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13071 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
13072 of framepointer + constant to ADDR_REGS class.
13073 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
13074 * c4x.c (std_or_reg_operand): New function.
13075 * c4x-protos.h (std_or_reg_operand): Prototype it.
13077 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13079 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
13080 object names as libgcc2.c.
13081 * libgcc.S: Use newly defined names.
13083 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
13084 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
13086 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
13087 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
13088 (FLOW_LOOP_LAST_BLOCK): Likewise.
13090 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13092 * basic-block.h (struct loop): New fields 'first' and 'last'.
13093 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13094 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13095 and loop->last to check for NOTE_INSN_LOOP_END.
13097 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13099 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13100 of the loop descriptor rather than HEADER and LATCH. Also added
13101 missing break statements as well making some coding style modifications
13102 as suggested by Michael Hayes.
13104 2000-01-28 Richard Henderson <rth@cygnus.com>
13106 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13107 Break out that code ...
13108 (cleanup_cfg): ... here.
13109 (commit_one_edge_insertion): Detect a return instruction being
13110 emitted to an edge. Emit a barrier following; clear fallthru.
13111 (commit_edge_insertions): Verify CFG consistency.
13112 * function.c (expand_function_start): Kill unused variable.
13113 (expand_function_end): Likewise.
13114 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13115 to insert the epilogue.
13117 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13118 (delete_null_pointer_checks): Likewise.
13119 * output.h: Likewise.
13120 * reg-stack.c (reg_to_stack): Likewise.
13121 * toplev.c (rest_of_compilation): Likewise. Run
13122 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13124 2000-01-28 Richard Henderson <rth@cygnus.com>
13126 * Makefile.in (flow.o): Revert 24 Jan change.
13127 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13128 FUNCTION_VALUE result to DECL_RESULT's mode.
13130 * haifa-sched.c (schedule_insns): Don't recompute reg info
13133 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13135 * configure.in: Make --enable-cpplib the default.
13136 * configure: Regenerate.
13137 * gcc.dg/990119-1.c: No longer expected to fail.
13139 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13141 * jump.c (jump_optimize_1): Delete an optimization that is also done
13142 by merge_blocks in flow.
13144 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13146 * diagnostic.c (build_message_string, output_printf,
13147 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13148 (build_location_prefix): Fix non-literal format string.
13150 2000-01-27 Richard Henderson <rth@cygnus.com>
13152 * alpha.md (trunctfsf2): New.
13154 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13156 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13158 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13160 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13162 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13164 (skip_comment) ... here. Permit C++ comments in system
13165 headers always. Warn about C++ comments in user code under
13166 -std=gnu89 -pedantic.
13167 (copy_comment): Use skip_comment.
13168 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13170 (consider_directive_while_skipping, do_else, do_endif): Call
13171 validate_else unconditionally.
13172 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13173 text after the conditional in a system header.
13174 * cpplib.h (struct cpp_buffer): Add flag
13175 warned_cplusplus_comments.
13177 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13179 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13180 Use unshare_all_rtl_1.
13181 (unshare_all_rtl_again): New function.
13182 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13184 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13185 rather than resetting the 'used' flags ourself.
13187 * toplev.c (rest_of_compilation): Add current_function_decl
13188 to the unshare_all_rtl call.
13189 * tree.h: Prototype unshare_all_rtl.
13190 * rtl.h: Prototype unshare_all_rtl_again here.
13192 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13194 * genoutput.c (output_prologue): Include ggc.h in generated
13196 * Makefile.in (insn-output.o): Depends on ggc.h.
13198 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13199 Hans-Peter Nilsson <hp@bitrange.com>
13201 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13202 Remove redundant include of xm-ns32k.h.
13203 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13204 Remove redundant include of xm-ns32k.h.
13205 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13206 Remove redundant include of xm-ns32k.h.
13207 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13209 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13210 (TARGET_SWITCHES): Add documentation strings.
13211 (DWARF_FRAME_REGNUM): Override default definition.
13212 (REG_CLASS_CONTENTS): Add comments.
13213 (SUBSET_P): Format to reduce line length.
13214 (SMALL_REGISTER_CLASSES): Make a run time option.
13215 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13216 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13217 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13218 (regclass_map): fix typo in comment.
13219 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13220 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13221 (trace, reg_or_mem_operand): Delete, unused function.
13222 (calc_address_cost): Small offsets are cheaper than large ones.
13223 (expand_block_move): Generate more efficient code when bytes is a
13224 known at compile time.
13225 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13226 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13227 instead of reg_or_mem_operand.
13229 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13230 not general_operand. Similarly use "=rm" or stricter, not "=g".
13231 For input operands, use stricter constraints than "g" if not
13232 general_operand. Similarly use stricter predicate than
13233 "general_operand" when stricter constraints than "g" are present,
13234 except for matching constraints.
13235 (movstrsi): Use "memory_operand" for operands 0 and 1.
13236 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13237 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13238 not reg_or_mem_operand.
13239 (udivmoddisi4): Ditto.
13240 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13241 Use nonimmediate_operand for operand 3, not register_operand.
13242 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13243 reg_or_mem_operand.
13245 2000-01-27 Fred Fish <fnf@be.com>
13247 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13248 * gthr-single.h: Likewise.
13249 * gthr-solaris.h: Likewise.
13250 * gthr-vxworks.h: Likewise.
13251 * gthr-win32.h: Likewise.
13252 * gthr.h: Likewise.
13254 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13256 * cppinit.c: Add " (cpplib)" to end of string printed by
13259 2000-01-27 Richard Henderson <rth@cygnus.com>
13261 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13262 testing for a signed comparison.
13263 (alpha_emit_floatuns): New.
13264 * alpha-protos.h: Declare it.
13265 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13266 (extendsfdf2): Tidy.
13268 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13270 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13271 no -g option specifying debugging format, default to -gstabs+.
13273 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13275 * calls.c (special_function_p): New argument fork_or_exec.
13276 (expand_call): When profile_arc_flag is set and the function
13277 is in the fork_or_exec group, call __bb_fork_func first.
13278 * libgcc2.c, _bb module (__bb_fork_func): New function.
13279 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13281 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13282 * tree.h (special_function_p): Update prototype.
13284 2000-01-26 Richard Henderson <rth@cygnus.com>
13286 * alpha.c (alpha_split_tfmode_pair): New.
13287 * alpha-protos.h: Declare it.
13288 * alpha.md (abstf2, negtf2): New.
13289 (movtf insn): Add input G constraint.
13290 (movtf splitter): Use alpha_split_tfmode_pair.
13292 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13294 * i386/cygwin.h: PROTO -> PARAMS.
13296 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13298 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13299 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13300 using _Qp_cmp/_Q_cmp and testing the return value.
13301 (print_operand): Call reverse_condition_maybe_unordered if
13302 we are handling CCFPmode or CCFPEmode.
13303 Handle ORDERED, UN* and LTGT comparisons.
13304 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13305 if not TARGET_HARD_QUAD.
13306 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13307 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13308 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13309 Adjust gen_b* calls so that they reflect return comparison of
13310 sparc_emit_float_lib_cmp.
13312 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13314 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13315 incoming operands array is large enough for one more operand.
13316 (alpha_emit_xfloating_arith): Likewise.
13318 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13320 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13321 file with one line and no trailing newline.
13322 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13323 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13324 checking if the match is on the line.
13325 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13327 2000-01-25 Richard Henderson <rth@cygnus.com>
13329 * sparc.c (output_cbranch): Fix accidental squashing of the
13330 fp branch pre-delay nop.
13332 2000-01-25 Richard Henderson <rth@cygnus.com>
13334 * tree.def (UNNE_EXPR): Remove.
13335 * c-typeck.c (build_binary_op): Don't handle it.
13336 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13338 * rtl.def (UNNE): Remove.
13340 * jump.c (reverse_condition): Update accordingly.
13341 (swap_condition): Likewise.
13342 (comparison_dominates_p): Handle unordered comparisons.
13343 (reverse_condition_maybe_unordered): New.
13344 * rtl.h (reverse_condition_maybe_unordered): Declare.
13346 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13347 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13348 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13349 * sparc.md (bltgt): New.
13351 2000-01-25 Nick Clifton <nickc@redhat.com>
13353 * emit-rtl.c (emit_insn): Only check machine class insns for
13354 improper emission of a RETURN.
13356 2000-01-25 Richard Henderson <rth@cygnus.com>
13358 * Makefile.in (flow.o): Depend on $(EXPR_H).
13359 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13360 duplicate the structure of diddle_return_value for keeping regs live.
13362 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13364 * loop.c (current_loop_info): Delete.
13365 (consec_sets_invariant_p): Add loop argument, update callers.
13366 (get_condition_for_loop): Likewise.
13367 (count_nonfixed_reads, update_giv_derive): Likewise.
13368 (simplify_giv_expr, general_induction_var): Likewise.
13369 (consec_sets_giv, recombine_givs): Likewise.
13370 (move_movables): Delete loop_start and loop_end arguments,
13371 add loop argument, and update callers.
13372 (find_mem_givs, check_final_value): Likewise.
13373 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13374 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13376 (basic_induction_var): Add loop argument, delete loop_level argument,
13377 and update callers.
13378 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13379 add loop argument, and update callers.
13380 (find_splittable_regs, find_splittable_givs): Likewise.
13381 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13382 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13383 (biv_total_increment): Delete loop_start and loop_end arguments;
13385 (precondition_loop_p): Delete loop_start and loop_info arguments;
13387 * loop.h (get_condition_for_loop): Add loop argument.
13388 (biv_total_increment): Delete loop_start and loop_end arguments.
13389 (precondition_loop_p): Delete loop_start and loop_info arguments;
13391 (final_biv_value): Delete loop_start and loop_end arguments;
13393 (final_giv_value, back_branch_in_range_p): Likewise.
13395 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13397 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13399 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13401 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13402 point to the new "generated_files" doc.
13404 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13406 * config/fp-bit.c (_unord_f2): Fix typo.
13408 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13410 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13411 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13412 functions obsoleted by GC, such as push_obstacks_nochange,
13413 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13414 and code which existed only to decide whether or not to call
13415 them. Remove now-unused NESTED argument from start_function;
13416 all callers changed. Do not change behavior based on ggc_p.
13417 The use of the ixp_obstack in c-iterate.c and the util_obstack
13418 in objc/objc-act.c remain; these are not obsoleted by garbage
13420 * c-tree.h: Update prototype for start_function.
13422 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13424 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13426 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13429 2000-01-25 Richard Henderson <rth@cygnus.com>
13431 * sparc-protos.h (select_cc_mode): Declare.
13432 * sparc.c (select_cc_mode): New. Handle unordered compares.
13433 (output_cbranch): Always reverse via code change. Handle
13434 unordered compares. Factor tests and string updates.
13435 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13436 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13437 * sparc.md (bunordered, bordered): New.
13438 (bungt, bunlt, buneq, bunge, bunle): New.
13440 2000-01-25 Richard Henderson <rth@cygnus.com>
13442 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13443 * ggc-common.c (ggc_add_rtx_varray_root): New.
13444 (ggc_mark_rtx_varray): New.
13445 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13446 functions down below ggc_mark_foo.
13447 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13449 2000-01-25 Richard Henderson <rth@cygnus.com>
13451 * alpha.c (secondary_reload_class): Don't allocate a secondary
13452 for integral mode memories into FLOAT_REGS. Rearrange the more
13453 complicated memory expression inward.
13455 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13457 * inclhack.def: Fixes to play nicer with FreeBSD, and
13458 corrections to comments.
13459 (cxx_unready): Add select expression.
13460 (irix_sockaddr): Add bypass expression.
13461 (machine_ansi_h_va_list): New fix.
13462 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13463 Split out addition of "#include <stdarg.h>" to...
13464 (stdio_stdarg_h): ... here.
13465 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13466 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13467 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13469 (ultrix_ifdef): Tighten up select expression.
13471 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13472 re_ct and max_mach to avoid use of shell. Make printed names
13473 match names in inclhack.def. Use static copyright date.
13474 Don't count c_test and test expressions as requiring regex_t
13475 slots. Add some commentary.
13476 * inclhack.tpl: Do not include the 'This script contains N
13477 fixup scripts' line if PROGRAM is defined. Use static
13480 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13482 * dwarf2out.c: include "varray.h", not dyn-string.h.
13483 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13484 (addr_const_to_string, addr_to_string): Lose.
13485 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13486 (struct dw_val_struct): val_addr is now an rtx.
13487 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13488 (used_rtx_varray): New varray.
13489 (dwarf2out_init): Initialize it.
13490 (save_rtx): New fn.
13491 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13493 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13494 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13495 * Makefile.in (dwarf2out.o): Update dependencies.
13497 2000-01-24 Richard Henderson <rth@cygnus.com>
13499 * i386.c (i386_dwarf_output_addr_const): New.
13500 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13502 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13504 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13505 * i386.c (i386_simplify_dwarf_addr): New.
13506 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13508 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13510 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13511 TYPE_STUB_DECL is NULL.
13513 2000-01-24 Richard Henderson <rth@cygnus.com>
13515 * builtins.c (expand_tree_builtin): Move ...
13516 * c-common.c (expand_tree_builtin): ... here.
13518 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13520 * loop.h (LOOP_INFO): New accessor macro.
13521 * basic-block.h (struct loop): Rename field `info' to `aux'.
13522 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13523 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13524 * unroll.c (loop_iterations, unroll_loop): Likewise.
13526 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13528 * config/i386/t-cygwin: Accomodate new winsup directory layout
13529 when searching for include files.
13531 2000-01-24 Richard Henderson <rth@cygnus.com>
13533 * rtl.def: Add unordered fp comparisions.
13534 * tree.def: Likewise.
13535 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13537 * builtins.c (expand_tree_builtin): New function.
13538 * c-typeck.c (build_function_call): Use it.
13539 (build_binary_op): Support unordered compares.
13540 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13542 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13543 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13544 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13545 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13546 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13548 (swap_condition): Handle unordered compares.
13549 (thread_jumps): Check can_reverse before reversing.
13550 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13553 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13554 setcc is present before acking for cmp_optab. Update all callers.
13555 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13556 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13557 * expr.c (expand_expr): Likewise. Support unordered compares.
13558 (do_jump, do_store_flag): Likewise.
13559 * expr.h (enum libfunc_index): Add unordered compares.
13561 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13562 (DPBIT_FUNCS): Add _unord_df.
13563 * config/fp-bit.c (_unord_f2): New.
13564 * fp-test.c (main): Try unordered compare builtins.
13566 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13567 * alpha.c (alpha_comparison_operator): Check mode properly.
13568 (alpha_swapped_comparison_operator): Likewise.
13569 (signed_comparison_operator): Likewise.
13570 (alpha_fp_comparison_operator): New.
13571 (alpha_emit_conditional_branch): Handle unordered compares.
13572 * alpha.h (PREDICATE_CODES): Update.
13573 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13574 (bunordered, bordered): New.
13576 2000-01-24 Richard Henderson <rth@cygnus.com>
13578 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13579 * alpha.md (movtf): New expander, insn, and splitter.
13581 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13583 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13586 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13588 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13589 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13590 REG_ALLOC_ORDER): Add frame pointer
13591 (FRAME_POINTER_REGNUM): Set to 20
13592 (HARD_FRAME_POINTER_REGNUM): New macro.
13593 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13594 to HARD_FRAME_POINTER.
13595 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13596 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13597 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13598 (HI_REGISTER_NAMES): Add "frame".
13599 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13600 (debug_reg): Handle FRAME_POINTER_REGNUM.
13601 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13602 GENERAL_REGS and INDEX_REGS.
13603 * i386.c (SAVED_REGS_FIRST): new macro.
13604 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13605 (ix86_decompose_address, memory_address_length): Likewise.
13606 (regclass_map): Add frame pointer.
13607 (call_insn_operand): Handle frame_pointer_rtx.
13608 (reg_no_sp_operand): Likewise.
13609 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13610 (print_operand, legitimize_pic_address): Fix formating.
13611 (ix86_compute_frame_size): Make static, update prototype, new
13612 parameters padding1, padding2, use ix86_nsaved_regs, use
13613 stack_alignment_needed.
13614 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13615 to HARD_FRAME_POINTER_REGNUM conversions.
13616 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13617 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13618 (print_reg): Abort on FRAME_POINTER_REGNUM
13620 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13622 * i386.h (PREDICATE_CODES): Add aligned_operand.
13623 * i386.c (aligned_operand): New function.
13624 (ix86_aligned_p): Kill.
13625 * i386.md (movhi_1): Emit mov for aligned operands.
13626 (promoting peep2s): Use aligned_operand.
13628 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13630 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13631 expression to allow underscores in macro names.
13632 (fix_char_macro_defines): Increment scanning pointer.
13634 2000-01-23 Richard Henderson <rth@cygnus.com>
13636 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13637 * alpha/osf5.h: New file.
13638 * configure.in (alpha-*-osf5): Add it to tm_file.
13640 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13642 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13643 (alpha_emit_xfloating_cvt, function_arg): Declare.
13644 * alpha.c (alpha_emit_conditional_branch): Call
13645 alpha_emit_xfloating_compare for TFmode compares.
13646 (alpha_lookup_xfloating_lib_func): New.
13647 (alpha_compute_xfloating_mode_arg): New.
13648 (alpha_emit_xfloating_libcall): New.
13649 (alpha_emit_xfloating_arith): New.
13650 (alpha_emit_xfloating_compare): New.
13651 (alpha_emit_xfloating_cvt): New.
13652 (print_operand): Add default abort case.
13653 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13654 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13655 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13656 (RETURN_IN_MEMORY): True for TF/TCmode.
13657 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13658 (FUNCTION_ARG): Move to function_arg.
13659 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13660 (ASM_OUTPUT_LONG_DOUBLE): New.
13661 (ASM_OUTPUT_DOUBLE): Always output bits.
13662 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13663 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13664 (extenddftf2, trunctfdf2): New.
13666 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13668 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13669 * config/sparc/sol2.h: ... here.
13671 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13673 * basic-block.h (struct loops): New field `levels'.
13674 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13675 (flow_loop_level_compute): Initialise level to 1.
13676 (flow_loops_find): Set loops->levels.
13677 (flow_loops_dump): Print loops->levels.
13679 2000-01-23 Richard Henderson <rth@cygnus.com>
13681 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13682 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13684 2000-01-23 Richard Henderson <rth@cygnus.com>
13686 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13687 * i386.h (DBX_REGISTER_NUMBER): Use them.
13688 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13689 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13690 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13691 * i386/sequent.h: Kill incorrect comment.
13693 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13695 * ggc-page.c (struct page_entry): Make `context_depth' an
13697 (struct globals): Likewise.
13699 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13701 * loop.c (check_dbra_loop): When checking a loop for
13702 reversability, check the source of any stores to ensure
13703 they don't depend on an initial value.
13705 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13707 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13709 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13711 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13712 'pz_scan' into scope of entire function. Only affects
13713 compiles with -DDEBUG.
13715 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13717 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13718 section naming to that prior to 2000-01-07 patch.
13719 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13720 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13721 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13722 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13723 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13725 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13727 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13730 2000-01-21 Jim Wilson <wilson@cygnus.com>
13732 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13733 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13735 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13737 * cpphash.c (change_newlines): Delete function.
13738 (struct argdata): Delete 'newlines' and 'use_count' fields.
13739 (macroexpand): Remove code referencing those fields.
13741 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13743 * loop.c (loops_info): New variable.
13744 (loop_optimize): Allocate loops->array and free it on exit.
13745 Allocate memory for loops_info and assign to each loop,
13747 (find_and_verify_loops): Do not allocate loops->array.
13749 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13751 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13753 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13755 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13756 pseudos if expanded after first flow.
13757 (movdi_pic_label_ref): Likewise.
13759 2000-01-20 Richard Henderson <rth@cygnus.com>
13761 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13763 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13765 * Makefile.in (fixinc.sh): Depend on specs.
13766 * fixinc/Makefile.in: Add rule to create machname.h.
13767 (fixlib.o): Depend on machname.h.
13768 * fixinc/fixtests.c (machine_name): New test.
13769 * fixinc/fixfixes.c (machine_name): New fix.
13770 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13771 the machine_name test and fix.
13772 * fixinc/fixlib.h: Prototype it.
13773 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13774 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13776 * gcc.c (do_spec_1) [case P]: Take care not to create
13777 identifiers with three leading or trailing underscores.
13779 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13780 (fixincl): Don't specify libraries twice on link line.
13781 (gnu-regex.o): Remove special rule.
13782 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13783 defined by config.h. Do not define _REGEX_RE_COMP.
13784 (regcomp): Allocate and initialize a fastmap.
13785 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13787 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13789 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13791 2000-01-19 Richard Henderson <rth@cygnus.com>
13793 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13794 arguments with BB. Update all callers. Tidy line wrapping.
13796 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13798 * emit-rtl.c (try_split): Return last_insn if we split the
13801 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13803 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13804 (ix86_initial_elimination_offset): Declare.
13805 * i386.c (ix86_nsaved_regs): Break out from ...
13806 (ix86_can_use_return_insn_p): ... here.
13807 (ix86_emit_save_regs): Break out from ...
13808 (ix86_expand_prologue): ... here.
13809 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13811 (ix86_expand_epilogue): ... here.
13812 (ix86_compute_frame_size): Make static, add prototype.
13813 (ix86_initial_elimination_offset): Break out from ...
13814 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13816 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13818 * recog.h (OUT_FCN): Delete.
13820 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13822 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13824 * cppalloc.c: PROTO -> PARAMS.
13825 * cpperror.c: Likewise.
13826 * cppfiles.c: Likewise.
13827 * cpplib.c: Likewise.
13828 * cpplib.h: Likewise.
13830 * config/arm/arm-protos.h: PROTO -> PARAMS.
13831 * config/arm/arm.c: Likewise.
13832 * config/c4x/c4x.c: Likewise.
13833 * config/fr30/fr30-protos.h: Likewise.
13834 * config/nextstep.c: Likewise.
13835 * config/pa/pa.c: Likewise.
13836 * config/pj/pj.c: Likewise.
13837 * config/rs6000/rs6000.c: Likewise.
13838 * config/v850/v850-protos.h: Likewise.
13839 * config/v850/v850.c: Likewise.
13841 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13843 * i370-protos.h: New file.
13845 * i370.c: Include tm_p.h. Fix compile time warnings.
13847 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13850 * i370.md: Likewise.
13852 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13854 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13855 (target_isinf, target_isnan, eisnan): Mark parameter with
13857 (eiisinf): Wrap in INFINITY.
13858 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13859 (ibmtoe): Remove unused variable `rndsav'.
13861 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13863 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13864 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13866 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13868 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13869 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13870 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13872 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13873 Recognize Emacs mode markers also.
13874 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13875 C++ comments in C++ headers. Call is_cxx_header only if
13878 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13879 bypass for ncurses.
13880 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13881 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13882 ... these, which use the new C fixes.
13883 (math_exception): Escape literal '+' in bypass expression.
13885 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13888 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13890 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13893 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13895 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13896 prior to calling scan_loop.
13898 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13900 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13901 (split_branches, calc_live_regs): Likewise.
13903 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13905 * sh.md (fpu_single, fp_mode): New attributes.
13907 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13909 * loop.c (current_loop_info): Renamed from loop_info_data
13910 and changed to a pointer.
13911 (loop_optimize): Allocate loop_info structure for each loop
13912 and initialise to zero.
13913 (scan_loop): Set current_loop_info.
13915 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13918 2000-01-19 Richard Henderson <rth@cygnus.com>
13920 * stupid.c: Die die die.
13921 * Makefile.in (OBJS): Remove stupid.o.
13922 (stupid.o): Likewise.
13924 * except.c (emit_eh_context): Don't emit USEs for stupid.
13925 * explow.c (probe_stack_range): Likewise.
13926 * flags.h (obey_regdecls): Remove.
13927 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13928 when not optimizing.
13929 (life_analysis): Limit data collection when not optimizing.
13930 (mark_regs_live_at_end): Always mark the return value registers.
13931 (mark_used_regs): Remove dummy RETURN case.
13932 (print_rtl_with_bb): Don't consult obey_regdecls.
13933 * function.c (use_variable, use_variable_after): Remove.
13934 (assign_parms): Consult optimize not obey_regdecls.
13935 (expand_function_start): Don't emit USEs for stupid.
13936 (expand_function_end): Likewise.
13937 * global.c (build_insn_chain): Export.
13938 * integrate.c (expand_inline_function): Kill return-value USE
13940 * jump.c (jump_optimize_1): Do simple jump optimizations and
13941 dead code elimination.
13942 (calculate_can_reach_end): Remove check_deleted argument.
13943 (delete_insn): Patch out insns even when not optimizing.
13944 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13945 * rtl.h (use_variable, use_variable_after): Remove declarations.
13946 (build_insn_chain): Declare.
13947 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13948 (expand_end_bindings): Likewise.
13949 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13950 * toplev.c (obey_regdecls): Remove.
13951 (rest_of_compilation): Don't set it. Kill stupid in favour of
13952 flow1, local-alloc, and reload.
13953 (main): Don't set obey_regdecls.
13955 * config/nextstep.c (handle_pragma): Likewise.
13957 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13959 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13961 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13963 * alpha-protos.h: PROTO -> PARAMS.
13964 * alpha.c: Likewise.
13966 * h8300.c: Likewise.
13967 * i386-protos.h: Likewise.
13968 * i386.c: Likewise.
13969 * m32r-protos.h: Likewise.
13970 * m32r.c: Likewise.
13971 * mips.c: Likewise.
13972 * mips.md: Likewise.
13973 * gmon-sol2.c: Likewise.
13974 * sparc.c: Likewise.
13976 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13978 * ns32k-protos.h: New file.
13980 * ns32k.c: Fix compile time warnings.
13982 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13985 * ns32k.md: Likewise.
13987 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13989 * vax-protos.h: New file.
13991 * vax.c: Fix compile time warnings.
13993 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13996 * vax.md: Likewise.
13998 * vaxv.md: Likewise.
14000 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14002 * romp-protos.h: New file.
14004 * romp.c: Fix compile time warnings.
14006 * romp.h: Move prototypes to romp-protos.h. Fix compile time
14009 * romp.md: Likewise.
14011 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14013 * we32k-protos.h: New file.
14015 * we32k.c: Fix compile time warnings.
14017 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
14020 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14022 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
14024 * except.c (eh_regs): Likewise.
14026 * final.c (output_operand): Likewise.
14028 * fold-const.c (target_isinf, target_isnan): Likewise.
14030 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14032 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14033 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14035 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14036 when optimize_size.
14037 (clrstrsi): Rewrite.
14038 (strsethi, strsetqi): New expanders.
14039 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14040 (cmpstrsi): Emit compare insn before cmpstrsi_1
14041 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14042 (strlensi_1): Likewise.
14043 (cmpstrsi_1): Likewise; do not output compare.
14044 (strlen expander): Do not unroll when optimizing for size.
14045 (*subsi3_carry): Rename to subsi3_carry
14046 (addqi3_cc): New pattern.
14047 * i386.h (processor_costs): Add move_ratio field.
14048 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14049 * i386.c (*_cost): Set move_ratio.
14050 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14051 (x86_expand_strlensi_1): Rewrite the main loop.
14053 2000-01-17 Richard Henderson <rth@cygnus.com>
14055 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14056 * cse.c (find_comparison_args, fold_rtx): Likewise.
14057 * integrate.c (subst_constants): Likewise.
14058 * loop.c (get_condition): Likewise.
14060 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14062 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14064 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14066 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14067 (RESTORE_WARN_FLAGS): Unpack it.
14068 Change semantic type of extension to ttype.
14069 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
14070 * c-parse.y, c-parse.c, objc/objc-parse.y,
14071 objc/objc-parse.c: Regenerate.
14073 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
14075 * fixinc/fixlib.c: Add copyright notice.
14076 (compile_re): New function.
14077 * fixinc/fixlib.h: Prototype compile_re.
14079 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
14080 Use compile_re to compile regular expressions.
14082 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
14083 where the pattern matched.
14085 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
14087 (ultrix_ansi_compat): Likewise.
14088 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
14090 (interactv_add2, interactv_add3): Delete.
14091 (x11_sprintf): Don't use filename glob.
14092 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14095 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14097 * print-rtl.c: PROTO -> PARAMS.
14098 * real.c: Likewise.
14099 * reg-stack.c: Likewise.
14100 * resource.c: Likewise.
14101 * sdbout.h: Likewise.
14102 * simplify-rtx.c: Likewise.
14103 * stor-layout.c: Likewise.
14104 * stupid.c: Likewise.
14105 * xcoffout.c: Likewise.
14106 * xcoffout.h: Likewise.
14108 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14110 * toplev.c: PROTO -> PARAMS.
14111 * toplev.h: Likewise.
14112 * tree.c: Likewise.
14113 * tree.h: Likewise.
14114 * unroll.c: Likewise.
14115 * varasm.c: Likewise.
14116 * varray.c: Likewise.
14117 * varray.h: Likewise.
14119 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14121 * reload.c: PROTO -> PARAMS.
14122 * reload.h: Likewise.
14123 * reload1.c: Likewise.
14124 * reorg.c: Likewise.
14125 * resource.h: Likewise.
14128 * rtlanal.c: Likewise.
14129 * sbitmap.h: Likewise.
14130 * sdbout.c: Likewise.
14131 * stack.h: Likewise.
14132 * stmt.c: Likewise.
14133 * system.h: Likewise.
14135 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14137 * machmode.h: PROTO -> PARAMS.
14138 * mbchar.h: Likewise.
14139 * mips-tdump.c: Likewise.
14140 * mips-tfile.c: Likewise.
14141 * optabs.c: Likewise.
14142 * output.h: Likewise.
14143 * prefix.c: Likewise.
14144 * profile.c: Likewise.
14145 * protoize.c: Likewise.
14146 * real.h: Likewise.
14147 * recog.c: Likewise.
14148 * recog.h: Likewise.
14149 * regclass.c: Likewise.
14150 * regmove.c: Likewise.
14151 * regs.h: Likewise.
14153 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14155 * ggc-common.c: PROTO -> PARAMS.
14156 * ggc-page.c: Likewise.
14157 * ggc-simple.c: Likewise.
14159 * global.c: Likewise.
14160 * graph.c: Likewise.
14161 * gthr-win32.h: Likewise.
14162 * haifa-sched.c: Likewise.
14163 * halfpic.h: Likewise.
14164 * integrate.c: Likewise.
14165 * integrate.h: Likewise.
14166 * jump.c: Likewise.
14168 * local-alloc.c: Likewise.
14169 * loop.c: Likewise.
14170 * loop.h: Likewise.
14172 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14174 * genattr.c: PROTO -> PARAMS.
14175 * genattrtab.c: Likewise.
14176 * gencheck.c: Likewise.
14177 * gencodes.c: Likewise.
14178 * genconfig.c: Likewise.
14179 * genemit.c: Likewise.
14180 * genextract.c: Likewise.
14181 * genflags.c: Likewise.
14182 * gengenrtl.c: Likewise.
14183 * genopinit.c: Likewise.
14184 * genoutput.c: Likewise.
14185 * genpeep.c: Likewise.
14186 * genrecog.c: Likewise.
14188 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14190 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14192 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14194 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14195 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14196 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14197 * configure, config.in: Rebuilt.
14199 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14201 * config/i386/i386.md: Add peephole to merge successive stack
14204 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14206 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14207 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14208 when walking backwards to find all the parameter loads when
14209 the basic block ends in a call.
14211 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14213 * loop.c (this_loop_info): Delete.
14214 (uid_loop): Add in place of uid_loop_num. All uses updated.
14215 (loop_number_exit_count): Delete and replace with entry in loop
14216 structure. All uses updated.
14217 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14218 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14219 (loop_outer_loop): Likewise.
14220 (loop_invalid, loop_number_exit_labels): Likewise.
14221 (loop_used_count_register): Delete and replace with entry in
14222 loop_info structure.
14223 (find_and_verify_loops): Add loops argument.
14224 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14225 loop_end, etc. arguments with loop structure pointer. All callers
14227 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14228 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14229 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14230 (insert_bct): Likewise.
14231 (basic_induction_var): New argument level.
14232 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14233 vtop, and cont. Add used_count_register.
14234 (uid_loop): Delete declaration.
14235 (loop_number_exit_count): Likewise.
14236 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14237 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14238 (loop_outer_loop, loop_used_count_register): Likewise.
14239 (loop_invalid, loop_number_exit_labels): Likewise.
14240 (unroll_loop): Replace loop_start and loop_end arguments
14241 with loop structure pointer.
14242 (loop_precondition_p, loop_iterations): Likewise.
14243 Include basic-block.h.
14244 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14245 with loop structure pointer.
14246 (loop_precondition_p, loop_iterations): Likewise.
14247 * basic-block.h (struct loop): New entries vtop, cont,
14248 cont_dominator, start, end, top, scan_start, exit_labels,
14250 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14252 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14254 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14256 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14258 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14260 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14262 * pdp11-protos.h: New file.
14264 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14267 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14270 * pdp11.md: Likewise.
14272 * 2bsd.h: Likewise.
14274 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14276 * mn10300-protos.h: New file.
14278 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14281 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14284 * mn10300.md: Likewise.
14286 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14288 * mn10200-protos.h: New file.
14290 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14293 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14296 * mn10200.md: Likewise.
14298 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14300 * h8300-protos.h: New file.
14302 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14305 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14308 * h8300.md: Likewise.
14310 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14312 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14313 (asm_emit_uninitialised): Likewise.
14315 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14317 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14318 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14320 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14322 * config/mips/mips.c (override_options): Don't turn on extra
14323 alignment for mips16.
14325 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14327 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14328 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14331 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14333 * builtins.c (PAD_VARARGS_DOWN): Define.
14334 (std_expand_builtin_va_arg): Use the above macro.
14335 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14336 * tm.texi (Register Arguments): Document the above macro.
14338 2000-01-14 Nick Clifton <nickc@cygnus.com>
14340 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14341 that this function has not been used to emit a jump
14344 * jump.c (return_jump_1): Cope with being passed a null rtx.
14346 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14348 * eh-common.h: PROTO -> PARAMS.
14349 * emit-rtl.c: Likewise.
14350 * errors.c: Likewise.
14351 * errors.h: Likewise.
14352 * except.c: Likewise.
14353 * except.h: Likewise.
14354 * explow.c: Likewise.
14355 * expmed.c: Likewise.
14356 * expr.c: Likewise.
14357 * expr.h: Likewise.
14358 * final.c: Likewise.
14359 * fix-header.c: Likewise.
14360 * flow.c: Likewise.
14361 * fold-const.c: Likewise.
14362 * function.c: Likewise.
14363 * function.h: Likewise.
14365 * gcov-io.h: Likewise.
14366 * gcov.c: Likewise.
14367 * gcse.c: Likewise.
14369 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14371 * sh-protos.h: New file.
14373 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14374 Add static prototypes. Fix compile time warnings.
14376 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14380 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14382 * arc-protos.h: New file.
14384 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14387 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14390 * arc.md: Likewise.
14392 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14394 * dsp16xx-protos.h: New file.
14396 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14399 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14402 * dsp16xx.md: Likewise.
14404 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14406 * convex-protos.h: New file.
14408 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14411 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14414 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14416 * elxsi-protos.h: New file.
14418 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14421 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14424 * elxsi.md: Likewise.
14426 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14428 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14429 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14430 match the comment for MIPS16.
14432 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14434 * flow.c (split_edge): Do not call set_block_for_insn if we
14435 do not have a basic_block_for_insn structure.
14437 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14438 and destination functions are 32bit aligned within the trampoline.
14439 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14440 (TRAMPOLINE_ALIGNMENT): Define.
14442 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14443 (set (pc) (label_ref)), verify the change creates a valid insn.
14445 * fr30.c (call_operand): Tighten and rework to match rules for
14446 call RTL expressions.
14447 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14448 * fr30.md (call patterns): Improve constraints.
14450 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14452 * fr30.c (fr30_expand_epilogue): Revert last change.
14453 Use emit_jump_insn for the return insn.
14455 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14456 Stan Cox <scox@cygnus.com>
14458 * predict.c: New file. Preliminary infrastructure work for static
14459 branch prediction and basic block reordering.
14460 * basic-block.h: Add prototype for estimate_probability.
14461 * Makefile.in: Add rules for predict.o.
14463 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14465 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14466 * fixinc/*: Likewise.
14468 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14470 * cccp.c: PROTO -> PARAMS.
14471 * cexp.y: Likewise.
14472 * collect2.c: Likewise.
14473 * combine.c: Likewise.
14474 * convert.h: Likewise.
14476 * dbxout.c: Likewise.
14477 * dbxout.h: Likewise.
14478 * diagnostic.c: Likewise.
14479 * doprint.c: Likewise.
14480 * dwarf2out.c: Likewise.
14481 * dwarf2out.h: Likewise.
14482 * dwarfout.c: Likewise.
14483 * dwarfout.h: Likewise.
14484 * dyn-string.h: Likewise.
14486 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14488 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14489 macro conditionals guarding use.
14491 * dwarf2out.c: Include "tm_p.h".
14493 * function.c (locate_and_pad_parm): Mark parameter with
14495 (expand_function_end): Likewise for variable `context'.
14497 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14499 2000-01-13 Nick Clifton <nickc@cygnus.com>
14501 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14502 register to prevent compile time warnings.
14504 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14506 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14507 to avoid -Wtraditional warning.
14509 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14511 * 1750a-protos.h: New file.
14513 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14516 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14519 * 1750a.md: Likewise.
14521 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14523 * a29k-protos.h: New file.
14525 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14528 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14531 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14533 * clipper-protos.h: New file.
14535 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14538 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14541 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14543 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14545 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14547 * configure.in (--enable-new-gxx-abi): New option.
14548 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14549 * Makefile.in (GXX_ABI_FLAG): New variable.
14550 * configure: Regenerate.
14552 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14554 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14555 * tm.texi (FORCE_STRUCT_BLK): Document.
14556 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14558 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14560 * config/ns32k/ns32k.md: Revert Jan 9 change.
14562 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14563 to a mode-test, if the predicate is address_operand.
14565 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14567 * combine.c (if_then_else_cond): Be careful about what kinds
14568 of RTL expressions are passed to operand_subword.
14570 * flow.c (split_edge): If we have to insert a new jump, make
14571 sure to associate it with a basic block.
14573 * flow.c (commit_one_edge_insertion): A block with one successor
14574 can end in a JUMP_INSN that is not a simplejump.
14576 2000-01-12 Robert Lipe <robertl@sco.com>
14578 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14579 (BUILD_VA_LIST_TYPE): Define.
14580 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14583 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14585 * cccp.c (do_pragma): Add cast to (char *).
14587 2000-01-12 Richard Henderson <rth@cygnus.com>
14588 Fred Fish <fnf@be.com>
14589 Jason Merrill <jason@cygnus.com>
14591 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14592 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14593 * i386/beos-elf.h, i386/beos-pe.h: New files.
14595 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14596 * cross-make (SYSTEM_HEADER_DIR): Define using
14597 CROSS_SYSTEM_HEADER_DIR.
14599 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14600 (process_command): Use it.
14601 (main): Likewise. Kill trailing = from env vars.
14602 (build_search_list): Put it back.
14603 * collect2.c (main): Use LIBRARY_PATH_ENV.
14605 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14606 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14608 * tm.texi (Frame Layout): Document SMALL_STACK.
14609 * c-common.c (c_common_nodes_and_builtins): Check it.
14611 * system.h: Undef alloca after including glibc's <stdlib.h>,
14612 if USE_C_ALLOCA is defined.
14614 * gcc.c (set_input): New fn.
14615 (main): After all input files are compiled, reset the input file
14618 * aclocal.m4 (rindex, index): If already defined, don't attempt
14621 * ginclude/varargs.h: (__va_list__): Define ifndef.
14622 * ginclude/stdarg.h: Likewise.
14624 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14625 instead of unsigned char.
14627 * hash.h (true, false, boolean): Undef before enum.
14629 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14630 proper type of "HOST_WIDE_INT *", rather than their natural type of
14631 "unsigned HOST_WIDE_INT *".
14633 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14635 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14637 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14639 * regclass.c (choose_hard_reg_mode): Likewise.
14641 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14643 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14645 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14647 * c-common.c: PROTO -> PARAMS.
14648 * c-common.h: Likewise.
14649 * c-decl.c: Likewise.
14650 * c-iterate.c: Likewise.
14651 * c-lang.c: Likewise.
14652 * c-lex.c: Likewise.
14653 * c-lex.h: Likewise.
14654 * c-parse.in: Likewise.
14655 * c-pragma.c: Likewise.
14656 * c-pragma.h: Likewise.
14657 * c-tree.h: Likewise.
14658 * c-typeck.c: Likewise.
14659 * objc/objc-act.c: Likewise.
14660 * objc/objc-act.h: Likewise.
14662 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14664 * m88k-protos.h: New file.
14666 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14669 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14671 * m88k.md: Likewise.
14673 * tekXD88.h: Likewise.
14675 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14677 * m68k-protos.h: New file.
14679 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14682 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14684 * mot3300.h: Likewise.
14686 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14688 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14690 (extract_bitlist): Declare bitlen.
14692 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14694 * cccp.c: Accept and ignore -lang-fortran.
14696 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14697 qualifiers don't match at any level of pointerness.
14699 2000-01-12 Robert Lipe <robertl@sco.com>
14701 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14703 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14705 * reload1.c (reload_reg_unavailable): New static variable.
14706 (reload_reg_free_p): Test it.
14707 (reload_reg_free_for_value_p): Test it instead of
14709 (choose_reload_regs_init): Compute it.
14711 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14713 * reorg.c (fill_slots_from_thread): Check modified_in_p
14716 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14718 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14719 these nodes even if INTERNALS is not set.
14721 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14723 * gcse.c (delete_null_pointer_checks_1): Cope when
14724 get_condition cannot determine the condition.
14726 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14728 * toplev.h (set_message_length): Declare.
14730 * diagnostic.c (obstack_chunk_alloc): Define macro.
14731 (obstack_chunk_free): Likewise.
14732 (struct output_buffer): New data structure.
14733 (vmessage): Remove.
14734 (output_maximum_width): New variable.
14735 (doing_line_wrapping, set_message_length, init_output_buffer,
14736 get_output_prefix, output_space_left, emit_output_prefix,
14737 output_newline, output_append, output_puts, dump_output,
14738 vbuild_message_string, build_message_string, build_location_prefix,
14739 voutput_notice, output_printf, line_wrapper_printf,
14740 vline_wrapper_message_with_location): New functions. Implement
14741 automatic line wrapping.
14742 (v_message_with_decl): Make it handle automatic line wrapping.
14743 (v_error_with_file_and_line): Likewise.
14744 (v_warning_with_file_and_line): Likewise.
14745 (announce_function): Likewise.
14746 (default_print_error_function): Likewise.
14748 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14750 * cpplib.h (struct cpp_options): Change lang_asm to char.
14752 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14753 done in cpp_handle_option now.
14754 (initialize_builtins): Take out special case code used only by
14756 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14757 if -traditional. Recognize -lang-fortran and set
14758 lang_fortran, also turn off cplusplus_comments.
14759 (print_help): Document -lang-fortran.
14760 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14761 lang_asm. Ignore all directives other than `# 123 "file"' if
14763 (cpp_get_token): If -traditional, don't recognize directives
14764 unless the # is in column 1.
14765 (parse_string): If lang_fortran or lang_asm, silently
14766 terminate strings ('' or "") at end of line.
14767 Remove unnecessary braces.
14769 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14770 Richard Henderson <rth@cygnus.com>
14772 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14774 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14775 strict_low_part when possible.
14777 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14779 * alias.c: PROTO -> PARAMS.
14780 * basic-block.h: Likewise.
14781 * bitmap.c: Likewise.
14782 * bitmap.h: Likewise.
14783 * builtins.c: Likewise.
14784 * c-aux-info.c: Likewise.
14785 * caller-save.c: Likewise.
14786 * calls.c: Likewise.
14788 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14790 * Makefile.in (toplev.o): Depend on regs.h.
14792 * output.h (tdesc_section): Prototype.
14794 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14796 * sdbout.c: Include "tm_p.h".
14798 * toplev.c: Include "regs.h".
14800 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14802 * unroll.c (unroll_loop): Add EH support.
14804 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14806 * pa-protos.h: New file.
14808 * pa.c: Include recog.h and tm_p.h.
14809 (compute_zdepwi_operands, compute_movstrsi_length,
14810 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14811 find_addr_reg, import_milli): Add static prototypes.
14812 (pa_cpu_string, pa_arch_string): Constify a char*.
14813 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14814 (read_only_operand): Add argument `mode'.
14815 (singlemove_string, output_move_double, output_fp_move_double,
14816 output_block_move, output_and, output_ior, output_ascii,
14817 remove_useless_addtr_insns, milli_names, output_mul_insn,
14818 output_div_insn, output_mod_insn, output_arg_descriptor,
14819 output_cbranch, output_bb, output_bvb, output_dbra, ,
14820 output_millicode_call, output_call, hppa_encode_label,
14821 output_parallel_movb, output_parallel_addb): Constify a char*.
14822 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14823 (output_parallel_addb): Remove extra arg to `constrain_operands'
14825 * pa.h: Move all prototypes to pa-protos.h.
14826 (pa_cpu_string, pa_arch_string): Constify a char*.
14827 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14829 * pa.md: Call `function_label_operand' with mode argument.
14830 Likewise for `read_only_operand'.
14831 Fix nesting of parens in call to `symbolic_operand'.
14833 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14835 * i860-protos.h: New file.
14837 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14840 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14842 * i860.md: Likewise.
14844 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14846 * i386.md (movstrsi expander): Rewrite.
14847 (movstrsi_1 insn): Deleted.
14848 (strmovhi, strmovqi expander): New expanders.
14849 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14850 * i386.c (x86_single_stringop): New global variable.
14851 * i386.h (x86_single_stringop): Declare.
14852 (TARGET_SINGLE_STRINGOP): New macro.
14854 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14856 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14857 integer vararg POSTINCREMENT before the destination of the jump
14858 for the hard fp case.
14859 (function_arg_pass_by_reference): Pass a copy of CUM to
14862 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14863 for CONSTANT_ADDRESS_P above while loop for subreg.
14865 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14867 * flow.c (propagate_block): When a prologue/epilogue insn
14868 is marked dead, unconditionally clear libcall_is_dead and
14869 insn_is_dead, and only dump rtl if warnings aren't being
14872 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14874 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14875 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14876 (FIXED_REGISTERS): Set dirflag as fixed.
14877 (CALL_USED_REGISTERS): Set dirflag as used.
14878 (REG_ALLOC_ORDER): Set dirflag as last one.
14879 (DIRFLAG_REG): New macro.
14880 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14881 (HI_REGISTER_NAMES): Add dirflag.
14882 (DEBUF_PRINT_REG): Handle dirflag.
14883 * i386.md (type attribute): New cld and str types.
14884 (length_opcode attribute): Set cld and str to 1.
14885 (memory attribute): Set str to unknown - it is not clear from the
14887 (pent_np function unit): Prefixed string operations takes 12 cycles
14888 minimally; cld takes 2 cycles.
14889 (ppro_uops attribute): Str is "many" and cld is "few".
14890 (ppro_p0 unit): Handle cld here.
14891 (k6_alux unit): Handle cld and str types.
14892 (k6_load unit): It is ocupied by str opcodes.
14893 (k6_store unit): It is ocupied by str opcodes.
14894 (athlon_decode): Str is vector decoded.
14895 (athlon_ieu): Handle str and cld.
14896 (cld pattern): New.
14897 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14898 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14899 cmpstrsi_nz_1 insn): Do not output cld instruction
14901 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14903 * gcc.texi (G++ and GCC): Add Java and Chill.
14904 (Bug Critera): Don't list languages.
14906 * gcc.texi (Incompatibilities): No longer claim most C compilers
14909 * gcc.texi (G++ and GCC): Update other front-ends list.
14911 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14913 * i386.c (ix86_expand_setcc): Fix typo.
14914 (ix86_expand_movcc): Similarly.
14916 * Band-aid until haifa's bitset implementation is nuked.
14917 * haifa-sched.c (extract_bitlst): New parameter for size of the
14918 bitset in bits. All callers changed. Avoid looking at undefined
14919 bits in the bitset.
14920 (edgeset_bitsize): New variable.
14921 (schedule_region): Initialize edgeset_bitsize.
14923 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14925 * Makefile.in (optabs.o): Depend on real.h
14926 (resource.o): Depend on insn-attr.h
14928 * builtins.c (result_vector): Wrap prototype in macro conditions
14929 governing definition and use.
14931 * c-common.c: Include tm_p.h.
14933 * c-lex.c: Likewise.
14935 * elfos.h: Constify a char*.
14937 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14938 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14939 parameter with ATTRIBUTE_UNUSED.
14941 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14944 * haifa-sched.c (schedule_insns): Mark parameter with
14947 * optabs.c: Include real.h.
14949 * real.h (ereal_atof): Add prototype arguments.
14951 * resource.c: Include insn-attr.h.
14953 * sdbout.c (sdbout_queue_anonymous_type,
14954 sdbout_dequeue_anonymous_types): Wrap in macro
14955 SDB_ALLOW_FORWARD_REFERENCES.
14956 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14959 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14961 * stupid.c: Include tm_p.h.
14963 * tree.c (real_value_from_int_cst): Mark parameter with
14966 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14968 * i960-protos.h: New file.
14970 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14973 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14975 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14977 * combine.c (expand_field_assignment): Do not discard SUBREGs
14978 while computing nonzero_bits.
14980 2000-01-09 Nick Clifton <nickc@cygnus.com>
14982 * config/arm/arm.c: Fix compile time warnings about signed vs
14983 unsigned constants.
14984 * config/arm/arm.h: Fix compile time warnings about signed vs
14985 unsigned constants.
14987 2000-01-09 Philip Blundell <philb@gnu.org>
14989 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14990 than `ldm' with only one register.
14991 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14994 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14997 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14999 * config/ns32k/ns32k.md (load or push effective address): Operand 1
15002 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15004 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
15005 assignment used as truth value.
15007 * function.c (assign_temp): Mark parameter `dont_promote' with
15008 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
15009 PROMOTE_FOR_CALL_ONLY.
15011 * genrecog.c (write_subroutine): Mark variable `operands' with
15014 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
15017 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
15018 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
15020 * toplev.c (note_deferral_of_defined_inline_function): Likewise
15023 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15025 * config/c4x.h: Tidy up comments.
15026 * config/c4x.c: Likewise.
15028 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15030 * fold-const.c (lshift_double, rshift_double): Handle
15031 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15033 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15035 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15036 in prepare_function_start().
15038 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15040 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15041 longer allocate extra stack for function calls.
15043 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15045 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15047 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15049 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15051 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15053 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15054 * aix43.h: Revert Aug 2 change.
15055 (HAS_INIT_SECTION): Define, not visible yet.
15056 (LD_INIT_SWITCH): Define, not visible yet.
15057 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15059 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15061 * collect2.c (main): Expand ld2 size further.
15062 (export_object_lst): Cast assignment to avoid warning.
15063 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15064 (scan_prog_file, COFF): Do not collect initialization or
15065 finalization functions generated for entire shared object if
15066 init/fini support present.
15068 2000-01-07 Nick Clifton <nickc@cygnus.com>
15070 * config/elfos.h: Tidy up formatting of marcos. Make sure
15071 that .section directives are always prefixed by a tab.
15073 * config/svr4.h: Add #include "elfos.h" and remove duplicate
15076 2000-01-07 Matt Austern <austern@sgi.com>
15078 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
15081 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
15083 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
15085 (crtbegin.o, s-crtS): Likewise.
15087 2000-01-06 Richard Henderson <rth@cygnus.com>
15089 * alpha.md (adddi_2+1): Limit offset such that it will be
15090 loadable with a single ldah+lda pair.
15091 (adddi_2+2): Explicitly fail split if we can't make it work.
15093 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15095 * protoize.c: Conditionally include unistd.h.
15096 (IS_SAME_PATH_CHAR): New macro.
15097 (IS_SAME_PATH): New macro.
15098 (CPLUS_FILE_SUFFIX): New macro.
15099 (cplus_suffix): New static variable.
15100 (is_abspath): New static function.
15101 (in_system_include_dir): Handle DOS style pathnames.
15102 (file_could_be_converted): Likewise.
15103 (file_normally_convertible): Likewise.
15104 (directory_specified_p): Likewise.
15105 (file_excluded_p): Likewise.
15106 (abspath): Likewise.
15107 (shortpath): Likewise.
15108 (referenced_file_is_newer): Likewise.
15109 (save_def_or_dec): Likewise.
15110 (do_processing): Likewise.
15112 (edit_file): Likewise. Use rename instead of link.
15113 (rename_c_file): Likewise. Don't rename syscalls file.
15114 (munge_compile_params): Define null device for DOS based systems.
15115 (process_aux_info_file): Use binary mode if appliable.
15116 (edit_file): Likewise.
15117 * invoke.texi (Running Protoize): Document C++ suffixes used.
15119 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15120 IS_DIR_SEPARATOR macros.
15121 * collect2.c: Likewise.
15122 * cppinit.c: Likewise.
15123 * dwarf2out.c: Likewise.
15125 * gcov.c: Likewise.
15126 * prefix.c: Likewise.
15128 * toplev.c: Likewise.
15129 * system.h: And move to here.
15131 * prefix.c (update_path): Fix typo in variable name.
15133 2000-01-06 Richard Henderson <rth@cygnus.com>
15135 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15136 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15137 (count_reg_sets_1, count_reg_references): Likewise.
15138 (flow_loops_level_compute): Start counting actual loop depth at 1.
15139 (flow_loops_find): Likewise.
15140 * local-alloc.c (update_equiv_regs): Likewise.
15141 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15143 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15145 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15146 FIRST_PSEUDO_REGISTER
15147 * dwarf2out.c: Don't include frame.h
15148 * dwarfout.c: Likewise
15149 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15152 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15154 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15157 * i386.c (movsf splitter): Fix typo in my last checkin.
15159 2000-01-05 Nick Clifton <nickc@cygnus.com>
15161 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15162 own definition of this macro.
15163 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15164 flag_data_sections or UNIQUE_SECTION_P are true.
15166 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15167 unitialised data decls.
15169 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15170 being called for uninitialised data.
15172 * config/i386/interix.c (i386_pe_unique_section): Cope with
15173 being called for uninitialised data.
15175 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15176 for uninitialised data.
15178 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15179 for uninitialised data.
15181 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15182 for uninitialised data.
15184 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15185 (UNIQUE_SECTION_P): Always generate a unique section if
15186 flag_data_sections is true.
15187 (UNIQUE_SECTION): Also generate unique sections for
15188 uninitialised data.
15189 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15190 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15193 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15195 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15198 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15200 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15201 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15202 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15203 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15204 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15206 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15208 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15210 * c-decl.c (finish_enum): Simplify code to determine minimum and
15211 maximum values of the enum, and calculate the type. Remove check
15212 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15213 the DECL_INITIAL of each enumeration constant with a copy converted
15214 to the enumeration type. When updating variant types, don't bother
15215 updating the type itself.
15217 * c-typeck.c (build_binary_op): Simplify conditional expressions
15218 when weeding out spurious signed-unsigned warnings. Add new
15219 spurious warning category: if the unsigned quantity is an enum
15220 and its maximum value fits in signed_type(result_type). Update
15222 (build_conditional_expr): Warn here if one alternative is signed
15223 and the other is unsigned.
15225 2000-01-05 Nick Clifton <nickc@cygnus.com>
15227 * config/fr30/fr30.h: Remove extraneous comments.
15229 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15231 * reload1.c (choose_reload_regs): When disabling a reload, also
15232 set reload_spill_index to -1.
15234 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15236 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15238 (m68*-*-rtemself*): New target.
15239 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15240 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15241 (sparc*-*-rtemself*): New target.
15242 (sparc*-*-rtems*): Now elf not a.out.
15243 * config/i386/rtems.h: Include config/rtems.h.
15244 * config/i386/rtemself.h: Include config/rtems.h.
15245 * config/i960/rtems.h: Include config/rtems.h.
15246 * config/m68k/rtems.h: Include config/rtems.h.
15247 * config/m68k/rtemself.h: Include config/rtems.h.
15248 * config/mips/rtems64.h: Include config/rtems.h.
15249 * config/pa/rtems.h: Include config/rtems.h.
15250 * config/rs6000/rtems.h: Include config/rtems.h.
15251 * config/sh/rtems.h: Include config/rtems.h.
15252 * config/sh/rtemself.h: Include config/rtems.h.
15253 * config/sparc/rtems.h: Include config/rtems.h.
15254 * config/sparc/rtemself.h: Include config/rtems.h
15256 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15258 * final.c (shorten_branches): Correctly compute length of
15259 asms without operands.
15261 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15263 * configure.in: Add pj target.
15264 * configure: Regenerate.
15265 * config/pj: New directory.
15266 * config/pj/lib1funcs.S: New file.
15267 * config/pj/linux.h: New file.
15268 * config/pj/pj.c: New file.
15269 * config/pj/pj.md: New file.
15270 * config/pj/pjl.h: New file.
15271 * config/pj/t-pj: New file.
15272 * config/pj/xm-pj.h: New file
15274 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15276 * toplev.c (rest_of_compilation): Run shorten-branches before
15279 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15281 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15282 macros so that they're consistent with their names.
15283 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15284 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15286 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15288 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15289 modified inadvertently.
15291 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15293 * configure.in (v850*-*-rtems*): New target.
15294 * configure: Regenerate.
15295 * config/v850/rtems.h: New file.
15297 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15299 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15300 (__gthread_key_create): Likewise.
15301 (__gthread_key_dtor): Likewise.
15302 (__gthread_once): Fix logic.
15303 (__gthread_key_delete): Cast away constness.
15305 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15306 * invoke.texi: Document.
15307 * i386/mingw32.h (CPP_SPEC): Use.
15308 (LIBGCC_SPEC): Likewise.
15309 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15311 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15313 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15314 (HANDLE_PRAGMA_PACK): Undefine.
15315 (SLOW_UNALIGNED_ACCESS): Define.
15317 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15319 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15320 to default definition.
15321 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15322 (store_fixed_bit_field): Call macro with word_mode and alignment.
15323 (extract_bit_field): Call macro with relevant mode and alignment.
15324 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15325 to default definition.
15326 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15328 (move_by_pieces_ninsns): Likewise.
15329 (clear_by_pieces): Likewise.
15330 (emit_push_insn): Likewise.
15331 (store_field): Call macro with relevant mode and alignment.
15332 (expand_expr): Likewise.
15333 (expand_expr_unaligned): Likewise.
15335 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15336 (SLOW_UNALIGNED_ACCESS): Define.
15337 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15338 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15339 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15340 (toc_section): Likewise and .toc pseudo-op.
15341 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15343 (TEXT_SECTION_ASM_OP): Likewise.
15344 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15347 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15348 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15349 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15350 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15351 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15353 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15355 * regclass.c: Revert my Jan 4 change to loop cost computation.
15357 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15359 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15362 2000-01-04 Stan Cox <scox@cygnus.com>
15364 * haifa-sched.c (build_control_flow): Change unreachable simple
15365 loop test to check if current block has only one predecessor.
15366 (find_rgns): Initialize degree. Use dest as degree index, not src.
15368 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15370 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15372 * calls.c (expand_call): Likewise for
15373 `old_stack_arg_under_construction'.
15375 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15377 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15380 * gcc.c (execute): Likewise for `ut' and `st'.
15382 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15384 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15386 * jump.c (jump_optimize_1): Likewise for `temp2'.
15388 * local-alloc.c (block_alloc): Likewise for `r1'.
15390 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15392 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15393 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15395 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15398 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15399 and `goal_earlyclobber'.
15401 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15403 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15405 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15407 * unroll.c (copy_loop_body): Likewise for `copy'.
15409 * varasm.c (output_constructor): Likewise for `byte'.
15411 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15413 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15414 all FP constants for constant->reg moves.
15415 (ix86_split_to_parts): Try to convert memory address into immediate
15416 when available in the constant pool.
15417 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15419 (LEGITIMATE_CONSTANT_P): Return 1.
15420 * i386.md (pushsf): New splitter to convert constant pool memory
15421 reference to immediate.
15422 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15425 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15427 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15428 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15429 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15430 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15431 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15433 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15435 * ginclude/stdbool.h: Support compilation as C++.
15437 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15439 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15441 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15443 * regclass.c (regclass): Properly compute loop_cost. Adjust
15446 * regclass.c: Fix minor whitespace problems.
15448 2000-01-03 Anthony Green <green@cygnus.com>
15450 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15451 Restore the pic register if required.
15453 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15455 * c-common.c (format_char_info): Update comment.
15456 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15457 was recognized. Emit warning for formats new in ISO C99 only
15458 if flag_isoc9x is not set.
15460 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15462 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15464 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15466 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15467 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15468 (make_compound_operation): Choose cheaper alternative between
15469 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15471 * regclass.c (op_costs): Remove global variable.
15472 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15473 (record_operand_costs): Break out from ...
15474 (scan_one_insn): ... here.
15475 (dump_regclass): Make dumps nicer.
15476 (regclass): Dump preferrences choosed and changes done during passes.
15478 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15480 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15482 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15484 * config/sparc/sparc.c (gen_df_reg): New function.
15485 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15486 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15487 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15488 movtf_cc_reg_sp64+1): Use it.
15490 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15492 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15493 copied LABEL_DECLs.
15495 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15497 * config/i386/i386.c (ix86_expand_unary_operator): Function
15498 definition made void.
15499 (ix86_expand_binary_operator): Update outdated preceding comment.
15500 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15503 * config/i386/i386.c (override_options): Fix option-name typo.
15505 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15507 * system.h (CEIL): Define.
15508 * builtins.c (CEIL): Remove.
15509 * expmed.c (CEIL): Likewise.
15510 * expr.c (CEIL): Likewise.
15511 * stor-layout.c (CEIL): Likewise.
15513 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15515 * expr.c (store_constructor_field): Fix typo introduced with last
15518 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15520 * tree.h (BINFO_N_BASETYPES): New macro.
15522 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15524 * expmed.c (emit_store_flag): Prevent losing a pending stack
15525 adjust the same way we prevent losing queued increments.
15527 See ChangeLog.2 for earlier changes.