1 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * system.h (SSIZE_MAX): Delete backup definition.
5 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
8 2000-06-09 Jakub Jelinek <jakub@redhat.com>
10 * configure.in: Check whether gas supports -relax.
11 * configure, config.in: Rebuilt.
12 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
13 (EXTRA_SPECS): Add asm_relax.
14 (ASM_SPEC): Add %(asm_relax).
15 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
16 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
17 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
18 (ASM_SPEC): Add %(asm_relax).
19 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
20 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
21 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
22 instead of mov, so that gas can further optimize it.
24 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
26 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
28 (value_format, case dw_val_class_const): Use sdata format.
29 (output_die): Call output_sleb128.
31 2000-06-08 Mark Mitchell <mark@codesourcery.com>
33 * invoke.texi: Remove documentation for -fsquangle and
34 -fname-mangling-version.
36 2000-06-08 James E. Wilson <wilson@cygnus.com>
38 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
39 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
40 ASM_OUTPUT_DWARF_CONST_DOUBLE.
41 (output_die, case dw_val_class_unsigned_const): Correct call to
42 ASM_OUTPUT_DWARF_DATA8.
43 (output_die, case dw_val_class_long_long): Use
44 ASM_OUTPUT_DWARF_CONST_DOUBLE.
45 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
48 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
49 (output_function_prologue): Fix mispelling.
50 (output_function_prologue, output_function_epilogue): Reorder to
51 match ia64.c definition order.
52 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
53 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
54 Use r3 instead of r2 for large stack restores.
55 (ia64_output_end_prologue): New function.
56 (process_set): Emit ".restore sp" for epilogue stack restores.
57 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
59 2000-06-08 Jakub Jelinek <jakub@redhat.com>
61 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
64 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
66 * frame.c (end_fde_sort): Remove extraneous erratic array test.
68 2000-06-08 Denis Perchine <dyp@perchine.com>
70 * frame.c (start_fde_sort): Don't malloc (0).
72 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
74 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
76 * print-tree.c (print_node): The transparent_union_flag means
77 different things for unions and arrays. Do not inspect it
78 with TYPE_TRANSPARENT_UNION.
80 2000-06-06 Jakub Jelinek <jakub@redhat.com>
82 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
85 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
87 * config/avr/avr.c (asm_output_section_name): output section
89 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
91 2000-06-06 James E. Wilson <wilson@cygnus.com>
93 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
94 fields into header field.
95 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
96 macros to access length, flags, and version info from header field.
97 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
98 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
99 (__do_global_ctors_aux): Fix caller.
100 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
101 prologue_flag to header. Pass to read_P_record.
102 (read_P_record): New argument header. Implement P4 format.
103 Multiply P7_T_SIZE by 16.
104 (execute_one_ia64_descriptor): New static local region_header. Pass to
105 get_unwind_record. Copy r to region_header if r is a header record.
106 (print_all_records): Likewise.
107 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
108 (__get_personality, __get_except_table): Likewise.
109 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
111 2000-06-06 Philipp Thomas <pthomas@suse.de>
113 * configure.in (AC_C_INLINE): Added.
114 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
115 * configure: Regenerate.
117 2000-06-06 Mark Mitchell <mark@codesourcery.com>
119 * c-common.h (c_language_kind): New type.
120 (c_language): New variab.e
121 * c-common.c (lang_get_alias_set): Don't put structures in
122 non-zero alias sets in C++.
123 * c-decl.c (c_language): Define it.
124 * c-lex.c (doing_objc_thang): Remove.
125 * c-tree.h (doing_objc_thang): Make it a macro.
126 * objc/objc-act.c (lang_decode_option): Set c_language, not
129 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
131 * diagnostic.c (output_maximum_width): Remove.
132 (doing_line_wrapping): Tweak.
133 (diagnostic_buffer): New object.
134 (global_output_buffer): New object.
135 (output_destroy_prefix): New function.
136 (default_initialize_buffer): Likewise.
137 (reshape_diagnostic_buffer): Likewise.
138 (initialize_diagnostics): Likewise.
139 (output_clear): Tweak.
140 (line_wrapper_printf): Adjust call to init_output_buffer.
141 (vline_wrapper_message_with_location): Likewise. Use
142 output_destroy_prefix.
143 (v_message_with_decl): Likewise.
145 * diagnostic.h (struct output_buffer): Constify prefix.
146 (init_output_buffer, output_get_prefix): Constify.
147 (diagnostic_message_length_per_line): Likewise.
148 (reshape_diagnostic_buffer): Declare.
149 (default_initialize_buffer): Declare.
150 (initialize_diagnostics): Declare.
151 (diagnostic_buffer): Declare new obbject.
153 * toplev.c: #include diagnostic.h
154 (display_help): Document diagnostic formatting options.
155 (decode_f_option): Handle diagnostic formatting options.
156 (main): Setup initialization for diagnostic messages outputter.
158 * toplev.h (set_message_length): Remove.
160 * Makefile.in (toplev.o): Depends upon diagnostic.h
162 * invoke.texi : Document diagnostics formatting options.
164 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
166 * configure.in (Make the links): Typo fix : the file that must be
167 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
168 * configure: File rebuilt.
170 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
172 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
173 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
175 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
176 emergency eh_context buffer, if malloc fails.
177 (__eh_free): Moved from cp/exception.cc. Release to emergency
178 eh_context buffer, if appropriate.
180 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
182 * expr.c (store_expr): Fix typo.
184 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
186 * m68k.c (legitimize_pic_address): Move prototype ...
188 * m68k-protos.h (legitimize_pic_address): ... here.
190 * m68k.md (legitimize_pic_address): Delete prototypes.
191 (untyped_call): Invoke GEN_CALL(), not gen_call().
193 * nextstep.c: Include system.h and toplev.h.
194 (get_directive_line): Don't prototype.
195 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
197 * nextstep.h (handle_pragma): Prototype.
198 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
199 objc_section_init ...
200 (EXTRA_SECTION_FUNCTIONS): ... here.
202 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
204 * sdbout.c (struct sdb_file): NAME now const.
205 (sdbout_init): input_file_name now const.
206 (sdbout_start_new_source_file): FILENAME now const.
207 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
209 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
211 * c-typeck.c (build_conditional_expr): Handle complex data types.
213 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
215 * explow.c (maybe_set_unchanging): New function, broken out from...
216 (set_mem_attributes): Here.
217 * expr.h: Declare it.
218 * stmt.c (expand_decl): Call it.
220 2000-06-05 Richard Henderson <rth@cygnus.com>
222 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
223 while looking for a register to inherit from.
225 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
227 * Makefile.in (libgcc.ready): Lose.
228 (libgcc.mk): Just use mv, not move-if-change.
229 (LIBGCC_DEPS): New macro.
231 (stmp-multilib): Likewise.
232 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
233 it rather than the directories themselves.
234 (LIB2ADD): Depend on the list file rather than 'force'.
236 * fold-const.c (fold, case COND_EXPR): Elide conversion between
237 cv-qualified versions of types.
239 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
241 * config/sparc/sparc.c (short_branch): Correct error in range
244 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
246 * fixinc/inclhack.def: New include hacks for ultrix.
247 * (nested_ultrix): Replaced by ultrix_nested_svc.
248 * (ultrix_atof_param): test_text string added.
249 * (ultrix_ifdef): Modified select string.
251 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
253 * objc/objc-act.c (generate_method_descriptors): Register
254 objc_method_prototype_template as a GC root.
255 (comp_method_with_proto): Register function_type as a GC root.
256 (comp_proto_with_proto): Replace function_type1 and
257 function_type2 with a two-element array; register it as a GC root.
259 (generate_protocols, build_protocol_initializer,
260 generate_protocol_list, build_category_initializer,
261 build_shared_structure_initializer): Do not cache cast_type
264 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
266 * function.c (assign_parms): Add missing argument to set_mem_attributes
269 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
271 * tree.h (VOID_TYPE_P): New macro.
272 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
273 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
274 (get_parm_info): Likewise.
275 (store_parm_decls): Likewise.
276 (combine_parm_decls): Likewise.
277 (finish_function): Likewise.
278 * c-typeck.c (build_function_call): Likewise.
279 (build_binary_op): Likewise.
280 (build_conditional_expr): Likewise.
281 (internal_build_compound_expr): Likewise.
282 (convert_for_assignment): Likewise.
283 * stmt.c (expend_expr_stmt): Likewise.
284 (warn_if_unused_value): Likewise.
285 (expand_return): Likewise.
286 * c-parse.in (primary): Likewise.
287 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
288 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
290 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
292 * alias.c (get_alias_set): If compnent is addressable, use alias
294 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
295 (grokdeclarator): Likewise.
296 * c-typeck.c (common_type): Likewise.
298 2000-06-04 Alex Samuel <samuel@codesourcery.com>
300 * Makefile.in (OBJS): Remove dyn_string.o
301 (dyn-string.o): Delete rule.
302 * dyn-string.c: Delete file
303 * dyn-string.h: Likewise.
305 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
307 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
310 S2000-06-03 Geoff Keating <geoffk@cygnus.com>
312 * alias.c (record_component_aliases): Don't inspect
313 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
315 at Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
317 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
318 it with the pattern to do machine dependent work.
319 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
320 use it to modify the true/false tests used in conditional
321 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
322 defined, invoke them if the conversion to conditional execution
323 was successful or not.
325 * tm.texi (IFCVT_MODIFY_TESTS): Document.
326 (IFCVT_MODIFY_INSN): Ditto.
327 (IFCVT_MODIFY_FINAL): Ditto.
328 (IFCVT_MODIFY_CANCEL): Ditto.
330 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
332 * toplev.c (main): Fix misspellings of possibility and language.
334 2000-06-03 Richard Henderson <rth@cygnus.com>
336 * alias.c (record_alias_subset): Initialize has_zero_child in the
339 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
341 * arm.md (untyped_call): Use GEN_CALL macro.
343 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
345 * Makefile.in: Use $(MAKE) not "make"
347 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
349 * alias.c (struct alias_set_entry): New field has_zero_child.
350 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
351 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
353 Call record_component_aliases for aggregate types.
354 (record_alias_subset): Set has_zero_child.
355 (record_component_aliases, case ARRAY_TYPE): Do nothing if
356 TYPE_NONALIASES_COMPONENT.
357 (record_component_aliases, case RECORD_TYPE): Test
358 DECL_NONADDRESSABLE_P.
359 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
361 * calls.c (initialize_argument_information): Only test
362 TYPE_TRANSPARENT_UNION for UNION_TYPE.
363 * function.c (assign_parms): Likewise.
364 * integrate.c (function_cannot_inline_p): Likewise.
365 * stor-layout.c (finish_record_layout): Don't call
366 record_component_aliases.
367 * tree.h (struct tree_int_cst): Use struct tree_common.
368 (struct tree_real_cst, struct tree_string): Likewise.
369 (struct tree_complex, struct tree_identifier): Likewise.
370 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
371 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
372 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
373 (TYPE_NONALIASES_COMPONENT): New macro.
374 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
375 (DECL_NONADDRESSABLE_P): New macro.
376 (struct tree_decl): Reorder bits for clarity of how many left;
379 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
381 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
382 * mklibgcc.in (force): New target.
383 Make LIB2ADD stuff depend on it.
385 2000-06-02 Richard Henderson <rth@cygnus.com>
387 * alias.c (lang_get_alias_set): Remove.
388 (get_alias_set): Call it directly, not indirectly.
389 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
390 * c-common.h (c_get_alias_set): Don't declare.
391 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
392 * expr.h (lang_get_alias_set): Declare as function, not pointer.
394 2000-06-02 Bruce Korb <bkorb@gnu.org>
396 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
397 (server_setup): define the server's master pid
398 (close_server): actually do the deed IFF we are the server's master
400 2000-06-02 Jakub Jelinek <jakub@redhat.com>
402 * c-common.c (c_get_alias_set): Check whether signed_type did not
403 return its argument before calling get_alias_set on the result.
405 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
407 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
409 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
411 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
412 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
413 for TARGET_NOMACSAVE.
414 (NOMACSAVE_BIT): Define.
415 (TARGET_NOMACSAVE): Define.
416 (TARGET_SWITCHES): Add "nomacsave".
418 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
420 * sh.md (untyped_call): Remove excess parameters
422 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
424 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
425 match that used before the conversion to c_fix style.
426 * fixinc/fixincl.x: regenerate
428 2000-06-01 Stan Cox <scox@cygnus.com>
430 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
433 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
435 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
437 * cpplib.c (parse_include): Remove support for VAX-C
438 "#include starlet" misfeature.
440 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
442 * cppfiles.c: conditionally define O_BINARY.
443 (open_include_file): pass O_BINARY to open().
445 2000-06-01 Richard Henderson <rth@cygnus.com>
447 * i960.c (i960_br_predict_opcode): Remove.
448 (i960_print_operand) [+]: Emit branch prediction hints.
449 (i960_function_arg): Return early for VOIDmode.
450 (i960_round_align): Return early for incomplete types.
451 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
452 * i960.md (all conditional branches): Add "%+".
454 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
456 * alias.c (get_alias_set): Don't call language-specific routine more
457 than is needed and clean up code a bit.
458 * c-common.c (c_get_alias_set): All references whose type
459 is char get alias set 0, but character types need not.
460 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
461 (make_decl_rtl): Don't call it for FUNCTION_DECL.
463 2000-06-01 Bruce Korb <bkorb@gnu.org>
465 * fixinc/tests/base/...: new base result files
467 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
469 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
470 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
471 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
474 2000-06-01 Richard Henderson <rth@cygnus.com>
476 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
478 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
480 2000-05-31 Richard Henderson <rth@cygnus.com>
482 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
483 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
484 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
486 2000-05-31 Richard Henderson <rth@cygnus.com>
488 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
489 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
490 (ia64_print_operand) [+]: ... here. Use current_output_insn.
491 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
492 * config/ia64/ia64.md (all branch/call patterns): Use %+.
494 2000-05-31 Richard Henderson <rth@cygnus.com>
496 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
498 2000-05-31 Richard Henderson <rth@cygnus.com>
500 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
502 (find_if_block): Allow THEN with no outgoing edges.
503 * flow.c (merge_blocks_nomove): Remove a barrier not following
506 2000-05-31 Richard Henderson <rth@cygnus.com>
508 * flow.c (propagate_block): Move initialization of mem_set_list ...
509 (init_propagate_block_info): ... here. Also track blocks with
510 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
512 2000-05-31 Richard Henderson <rth@cygnus.com>
514 * jump.c (jump_optimize_1): Revert 05-18 change.
516 2000-05-31 Mark Mitchell <mark@codesourcery.com>
518 * invoke.texi: Remove documentation for -fguiding-decls.
520 2000-05-31 Richard Henderson <rth@cygnus.com>
522 * configure.in: Fix typo last change.
524 2000-05-31 Philipp Thomas <pthomas@suse.de>
526 * configure.in (enable-nls): Enable if build == host, i.e. when
527 not building a canadian cross compiler.
528 (enable-maintainer-mode): Added for use with i18n.
529 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
530 cross section of ALL_LINGUAS and LINGUAS.
531 * configure: Rebuild.
533 2000-05-31 Bruce Korb <bkorb@gnu.org>
535 * fixinc/check.tpl: rework to use test result tree
536 * fixinc/Makefile.in: change invocation of check script
537 * fixinc/check.diff: No longer needed
538 * fixinc/fixincl.x: regenerate
539 * fixinc/inclhack.def: add new tests
540 * fixinc/tests/base/arch/i960/archI960.h: New test result
541 * fixinc/tests/base/curses.h: modified test result
542 * fixinc/tests/base/stdio.h: ditto
543 * fixinc/tests/base/time.h: ditto
544 * fixinc/tests/base/sys/asm.h: ditto
545 * fixinc/tests/base/sys/stat.h: ditto
546 * fixinc/tests/base/sys/wait.h: ditto
548 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
550 * except.c (clear_function_eh_region): Do not free NULL.
552 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
554 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
555 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
556 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
557 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
558 (find_base_decl): New function, from c_find_base_decl in c-common.c.
559 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
560 (get_alias_set): Likewise.
561 Major rework to do more things and allow language-specific code
562 to just handle special-cases.
563 (record_alias_subset): Args are HOST_WIDE_INT.
564 (record_component_alias): Local vars are HOST_WIDE_INT.
565 Don't handle COMPLEX_EXPR.
566 (get_varargs_alias_set): Moved from builtins.c.
567 (get_frame_alias_set): New function.
568 * builtins.c (expand_builtin_return_address): Use frame alias set.
569 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
571 (get_memory_rtx): Rework to use set_mem_attributes.
572 (get_varargs_alias_set): Deleted from here.
573 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
574 (c_find_base_decl): Deleted from here.
575 (c_get_alias_set): Remove many cases and rework to just handle
577 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
578 * c-decl.c (rtl.h, expr.h): Now included.
579 (init_decl_processing): Call record_component_aliases on array types.
580 (grokdeclarator): Likewise.
581 Set TREE_ADDRESSABLE for all fields that are not bitfields.
582 * c-typeck.c (common_type): Call record_component_aliases for array.
583 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
584 Set all save areas to the frame alias set.
585 * calls.c (initialie_argument_information): Call set_mem_attributes.
586 (compute_argument_addresses, expand_call): Likewise.
587 * explow.c (set_mem_attributes): New function.
588 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
589 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
590 LEN and OFFSET now HOST_WIDE_INT.
591 (clear_by_pieces): Similar changes.
592 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
593 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
594 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
595 (clear_by_pieces_1): Likewise.
596 (emit_push_insn): Call set_mem_attributes.
597 (expand_expr, case INDIRECT_REF): Likewise.
598 (expand_expr, case VAR_DECL): Call change_address.
599 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
601 (get_varargs_alias_set, get_frame_alias_set): New decls.
602 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
603 (new_alias_set, set_mem_attributes): Likewse.
604 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
605 (assign_stack_temp_for_type): Likewise.
606 Can split slot even if alias set since can copy.
607 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
608 (assign_temp): Use host_integerp and tree_low_cst.
609 (put_var_into_stack): Properly handle SAVE_EXPR.
610 (put_addressof_into_stack): Likewise.
611 (assign_parms): Call set_mem_attributes.
613 (fix_lexical_address): Put reference to chain into frame alias set.
614 (expand_function_start): Call set_mem_attributes.
615 * integrate.c (expand_inline_function): Likewise.
616 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
617 * regmove.c (try_apply_stack_adjustment): Likewise.
618 * reload.c (push_reload, make_memloc): Likewise.
619 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
620 * rtl.def (MEM): Update comment.
621 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
622 (move_by_pieces): Change length to HOST_WIDE_INT.
623 (record_base_value, record_alias_subset): Delete from here.
624 * stmt.c (expand_decl): Call set_mem_attributes.
625 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
626 * toplev.c (compile_file): Call init_alias_once earlier.
627 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
628 from here: now in alias.c.
629 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
630 (struct tree_decl): Likewise.
631 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
632 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
633 (output_constant_def, force_const_mem): Likewise.
635 * flow.c (propagate_block): If block has no successors, stores to
636 frame are dead if not used.
638 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
640 * stmt (expand_end_case): Reorder conversion sequence for jump
641 table to avoid extra truncations.
643 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
645 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
646 in the block is more than just a simple conditional branch.
647 (noce_process_if_block): Similarly.
649 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
651 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
654 2000-05-30 Michael Meissner <meissner@redhat.com>
656 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
657 instructions. Treat LO_SUM operations as loading the full integer
660 2000-05-30 Richard Henderson <rth@cygnus.com>
662 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
664 2000-05-30 Richard Henderson <rth@cygnus.com>
666 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
668 2000-05-30 Bruce Korb <bkorb@gnu.org>
670 * fixinc/tests/*: Added expected result files for fixinc's make check
671 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
673 2000-05-30 Richard Henderson <rth@cygnus.com>
675 * config/alpha/alpha.md (*setne_internal): Use match_operator
676 instead of working down from insn.
678 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
680 * invoke.texi (-Wtraditional): Update WRT function macros.
682 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
684 * except.c (free_exception_table): Do not free NULL.
686 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
688 * cpplib.c (do_if): Don't save and restore only_seen_white here.
689 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
692 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
694 * flow.c (mark_used_reg): If a register is unconditionally live,
695 remove any conditional death information.
697 2000-05-29 Richard Henderson <rth@cygnus.com>
699 * final.c (current_output_insn): New.
700 (final_scan_insn): Set it.
701 * output.h: Declare it.
703 2000-05-29 Richard Henderson <rth@cygnus.com>
705 * stor-layout.c (finalize_record_size): Fix typo.
707 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
710 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
712 * cpplib.h (cpp_reader): Remove if_stack. Change
713 potential_control_macro to a cpp_hashnode *. Add skipping flag.
714 * cpphash.h (struct ihash): Change control_macro to a
715 cpp_hashnode * and shorten name to cmacro.
716 Add NEVER_REINCLUDE constant.
718 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
719 Examine the cmacro node directly, no need to call cpp_defined.
720 (_cpp_execute_include, read_include_file): Set cmacro to
721 NEVER_REINCLUDE, not U"".
722 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
723 (cpp_get_token): If pfile->skipping is true, discard text and
724 keep scanning until we hit a directive; don't expand macros.
726 * cpplib.c (struct if_stack): Remove if_succeeded, add
727 was_skipping. Change control_macro to a cpp_hashnode * and
728 shorten name to cmacro. Remove typedef IF_STACK.
729 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
730 (conditional_skip, skip_if_group,
731 consider_directive_while_skipping): Delete.
732 (push_conditional): New.
733 (_cpp_handle_directive): Don't process directives other than
734 conditionals if we are skipping.
736 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
737 Update to new scheme.
738 (validate_else): Skip rest of line here, unconditionally.
739 (_cpp_unwind_if_stack): The stack is per-buffer. Force
742 (all): Remove `scare quotes' from error messages.
744 2000-05-29 Richard Henderson <rth@cygnus.com>
746 * function.c (emit_return_into_block): New line_note arg; emit it.
747 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
748 for the close brace to accompany HAVE_return. Move all line notes
749 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
751 2000-05-29 Richard Henderson <rth@cygnus.com>
753 * longlong.h [__alpha] (count_leading_zeros): New.
754 (count_trailing_zeros): New.
755 (COUNT_LEADING_ZEROS_0): New.
757 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
758 (alpha_split_conditional_move): New.
759 * config/alpha/alpha-protos.h: Prototype them.
760 * config/alpha/alpha.h (PREDICATE_CODES): Update.
761 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
762 * config/alpha/alpha.md: Update ffs cix commentary.
764 (*nabssf2, *nabsdf2): New.
765 (*mov[qhsd]icc_internal): Use add_operand.
766 (if_then_else constant splitters): New.
767 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
768 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
770 2000-05-29 Richard Henderson <rth@cygnus.com>
772 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
773 a constant to NEG or NOT when conditions allow.
775 * combine.c (combine_simplify_rtx): Don't create an if_then_else
776 unless both args are general_operand. Don't canonicalize plus
777 to ior unless it helps.
779 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
780 instead track register_life_up_to_date. Toggle no_new_pseudos
783 2000-05-28 Geoff Keating <geoffk@cygnus.com>
785 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
786 so output_operand doesn't see them.
788 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
790 * lcm.c (make_preds_opaque): Fix comment.
791 (optimize_mode_switching): Use NORMAL_MODE instead of
792 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
793 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
794 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
795 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
796 (MODE_USES_IN_EXIT_BLOCK): Delete.
797 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
798 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
799 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
800 (MODE_NEEDED): Don't look for USE.
801 (EPILOGUE_USES): Define.
803 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
805 * mklibgcc.in (all): Variable initialised to `libgcc'.
807 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
809 * toplev.h (skip_leading_substring): New macro.
810 * toplev.c (decode_f_option): Use skip_leading_substring instead
812 (decode_W_option): Likewise.
814 2000-05-28 Nick Clifton <nickc@cygnus.com>
816 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
819 2000-05-28 Richard Henderson <rth@cygnus.com>
821 * regclass.c (record_operand_costs): Protect reg_changes_size
822 with CLASS_CANNOT_CHANGE_SIZE.
824 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
826 2000-05-28 Richard Henderson <rth@cygnus.com>
828 * function.c (diddle_return_value): A pcc-style struct return
831 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
833 * cppfiles.c: Read files in, using mmap if possible, then
834 prescan them separately.
835 (read_file, read_with_read): New functions.
836 * cpplex.c: Don't define UCHAR_MAX.
837 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
840 * cppinit.c (handle_option): Automatically define __cplusplus,
841 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
842 the respective -lang switch.
844 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
845 prototype): Move to...
846 * cpplib.h: ... here. Rename struct hashnode to struct
847 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
848 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
850 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
852 * config/rs6000/rs6000.md (movsi): Constify 'name'.
854 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
855 (class_can_change_size): New variable.
856 (reg_changes_size): New variable.
857 (init_reg_sets_1): Initialise class_can_change_size.
858 (record_operand_costs): Remove subreg_changes_size.
859 Don't pass it around. Instead update reg_changes_size.
860 (regclass): Initialise and free reg_changes_size. If a register
861 changes size, don't preference it to a class that contains
862 registers that can't change size.
863 (record_reg_classes): Don't look at subreg_changes_size.
865 2000-05-27 Richard Henderson <rth@cygnus.com>
867 * print-rtl.c (reg_names): Remove const.
868 * regclass.c (reg_names): Likewise.
869 * regs.h (reg_names): Likewise.
870 * hard-reg-set.h (reg_names): Likewise.
872 2000-05-27 Richard Henderson <rth@cygnus.com>
874 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
876 2000-05-27 Richard Henderson <rth@cygnus.com>
878 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
879 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
880 (alpha_expand_prologue): Emit prologue_mcount if needed.
881 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
882 * config/alpha/alpha.md (prologue_mcount): New.
883 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
884 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
885 * config/alpha/netbsd.h: Likewise.
887 2000-05-27 Richard Henderson <rth@cygnus.com>
889 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
890 change to config/elfos.h.
892 2000-05-27 Richard Henderson <rth@cygnus.com>
894 * Makefile.in (resource.o): Depend on except.h.
895 * except.h (output_exception_table_data): Prototype.
896 * genconfig.c (gen_peephole2): Prototype.
897 * genemit.c (main): Include ggc.h.
898 * genoutput.c: Revert parts of last change: include errors.h
899 (main): Set progname.
900 * recog.c: Include hard-reg-set.h before recog.h.
901 * resource.c: Include except.h.
903 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
905 (alpha_write_linkage): Protect with BUFSIZ.
906 (alpha_need_linkage): Update prototype.
907 * config/alpha/alpha.c (function_arg): Move VMS code here.
908 (alpha_links_base): Remove.
910 (mark_alpha_links_node, mark_alpha_links): New.
911 (alpha_write_one_linkage): New.
912 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
913 (alpha_write_linkage): Use splay_tree_foreach.
914 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
915 to get the linkage symbol.
916 (call_value_vms): Likewise.
917 * config/alpha/elf.h (output_file_directive): Remove decl.
918 (ctors_section, dtors_section): Prototype.
919 (sbss_section, sdata_section): Prototype.
920 * config/alpha/vms.h (FUNCTION_ARG): Remove.
921 (readonly_section, link_section, literals_section): Prototype.
922 (ctors_section, dtors_section): Prototype.
923 (vms_valid_decl_attribute_p): Remove decl.
924 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
926 2000-05-27 Geoff Keating <geoffk@cygnus.com>
928 * reload.c (get_secondary_mem): Don't widen floating-point modes.
930 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
931 substituting the REG in a (subreg:X (reg:Y ...)).
933 2000-05-28 Neil Booth <NeilB@earthling.net>
935 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
936 first token of a line BOL. Update EOF code for this.
937 Remove illegal directive check - it appears in the (not
938 yet committed) caller.
939 * cpplib.h (BOL): New flag.
941 2000-05-28 Neil Booth <NeilB@earthling.net>
943 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
944 (_cpp_free_toklist): No comment space to free.
945 (expand_comment_space): Remove.
946 (save_comment_space): Place the comment in the current token and
947 not in a separate comment space.
948 (_cpp_lex_line): Save comments during plain code and #define
950 * cpplib.h (struct _cpp_toklist): Remove comment space.
952 2000-05-28 Neil Booth <NeilB@earthling.net>
954 * cppexp.c (parse_assertion): Supply extra argument to
956 * cpplib.c (do_assert, do_unassert): Similarly.
957 * cpphash.h (_cpp_init_toklist) Update.
958 (_cpp_expand_token_space): New.
959 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
960 * cpplex.c (_cpp_init_toklist): New argument.
961 (parse_string2): New argument multiline_ok.
962 (spell_token): Take a const cpp_token *.
963 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
964 (SPELL_ macros): Replace with enum.
965 (expand_token_space): Replace with _cpp_expand_token_space.
967 (IS_DIRECTIVE): Update.
968 (_cpp_lex_line): Update token structure before parsing number.
969 Don't assume start at beginning of token list.
970 (save_comment): Use INIT_TOKEN_NAME.
972 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
974 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
975 -Wmissing-prototypes.
976 * configure: Regenerate.
977 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
979 * builtins.c, calls.c: Change all instances of gen_call_* or
980 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
981 * calls.c (struct_value_size_rtx): Separate definition from
982 initialization to avoid unused variable warning.
984 * genflags.c (gen_macro): New function.
985 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
986 (gen_nonproto): Delete.
987 (gen_insn): Put all insns on the same obstack.
988 (main): Generate prototypes for everything unconditionally.
990 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
991 out check for wchar_t.
992 * acconfig.h: Add template for ssize_t. Remove @TOP@.
993 * system.h: Add infrastructure for defining missing
994 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
995 definitions of UCHAR_MAX and SSIZE_MAX.
996 * configure: Regenerate.
997 * config.in: Regenerate.
999 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
1000 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
1002 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
1003 libgcc2.a, or libgcc1.null.
1005 2000-05-27 Richard Henderson <rth@cygnus.com>
1007 * Makefile.in (recog.o): Don't depend on resource.h.
1008 * recog.c: Don't include resource.h.
1009 (recog_last_allowed_insn): Remove.
1010 (recog_next_insn): Remove.
1011 (struct peep2_insn_data): New.
1012 (peep2_insn_data, peep2_current): New.
1013 (peep2_next_insn): New.
1014 (peep2_regno_dead_p, peep2_reg_dead_p): New.
1015 (peep2_find_free_register): New.
1016 (peephole2_optimize): Track life information by insn as we go.
1017 * recog.h: Update declarations.
1018 * resource.c (find_free_register, reg_dead_p): Remove.
1019 * resource.h: Remove their declarations.
1020 * toplev.c: Include hard-reg-set.h before recog.h.
1022 * genconfig.c (max_insns_per_peep2): New.
1023 (gen_peephole2): New.
1025 * genemit.c (output_peephole2_scratches): Generate calls to
1026 peep2_find_free_register; adjust surrounding code.
1027 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
1028 * genrecog.c (change_state): Don't track last_insn.
1029 (write_action): Write into *_pmatch_len before accepting.
1030 (write_tree): Adjust peephole2_insns and subroutines to match.
1032 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
1034 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
1035 (hard_int_register_operand): New.
1036 * config/alpha/alpha-protos.h: Declare it.
1037 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1038 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
1039 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
1041 2000-05-27 Richard Henderson <rth@cygnus.com>
1043 * function.c (thread_prologue_epilogue_insns): Don't move the
1044 line note at the head of the chain. Only force a lineno note
1045 before the end of block 0.
1047 2000-05-27 Richard Henderson <rth@cygnus.com>
1049 * gensupport.c (collect_insn_data): Record the maximum number
1050 of alternatives, not the last seen.
1052 * genoutput.c: Don't include errors.h.
1053 (struct data): Add lineno member.
1055 (scan_operands): Use message_with_line instead of error.
1056 (validate_insn_alternatives): Likewise.
1057 (gen_insn): Accept and store the pattern's line number.
1058 (gen_peephole, gen_expand, gen_split): Likewise.
1059 (main): Don't set progname. Pass line_no to gen_foo.
1061 2000-05-27 Richard Henderson <rth@cygnus.com>
1063 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
1064 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
1065 * config/d30v/d30v.md (attr predicable): New.
1066 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
1067 (andsi3*): Unify into one pattern.
1068 (iorsi3*, xorsi3*): Likewise.
1069 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
1071 (old cond_exec patterns): Remove.
1072 (define_cond_exec): New.
1074 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1076 * tree.h (TREE_CODE_LENGTH): New macro.
1077 * c-common.c (c_find_base_decl): Use it.
1078 * expr.c (safe_from_p): Likewise.
1079 * print-tree.c (print_node): Likewise.
1080 * tree.c (make_node, copy_node, get_identifier): Likewie.
1081 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
1082 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
1083 * fold-const.c (make_range): Likewise.
1084 (fold): Likewise; also use first_rtl_op.
1085 * c-iterate.c (collect_iterators): Use first_rtl_op.
1086 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
1087 Use IS_EXPR_CODE_CLASS.
1088 (preexpand_calls): Likewise.
1089 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
1090 and TREE_CODE_LENGTH.
1091 * stmt.c (warn_if_unused_value): If no operands, no unused value.
1093 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
1095 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
1097 (movdi_internal64): Likewise.
1099 * config/rs6000/rs6000.md: Correct order of operands for DImode
1102 * config/rs6000/rs6000.c (boolean_or_operator): New function.
1103 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
1104 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
1105 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
1106 boolean_operator for the boolean patterns without NOTs.
1108 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
1109 from reg_or_u_cint_operand. Change comment and behaviour.
1110 (logical_operand): Clean up, add assertion.
1111 (non_logical_cint_operand): Also check for
1112 reg_or_logical_cint_operand.
1113 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
1114 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1120 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1122 * tree.h (struct record_layout_info): Rename to (struct
1123 record_layout_info_s).
1124 * stor-layout.c (start_record_layout): Replace
1125 `record_layout_info' with `record_layout_info_s'.
1127 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1129 * flow.c (find_label_refs): New function.
1130 (find_basic_blocks_1): Call it for each alternative of a call
1133 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1135 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1138 2000-05-25 Richard Henderson <rth@cygnus.com>
1140 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1141 so strict about DImode.
1142 (alpha_swapped_comparison_operator): Likewise.
1143 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1144 any integer output mode.
1145 (*setcc_internal): Likewise.
1146 (*setcc_swapped_internal): Likewise.
1147 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1148 (*mov[qhs]icc_internal): New.
1149 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1151 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1153 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1155 2000-05-25 Richard Henderson <rth@cygnus.com>
1157 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1158 Remove add_jump; add next; replace flags with visited.
1160 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
1161 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
1162 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
1163 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
1165 (reorder_index, reorder_last_visited): Remove.
1166 (skip_insns_after_block): Rewrite to use a switch.
1167 (get_common_dest): Remove.
1168 (chain_reorder_blocks): Remove.
1169 (record_effective_endpoints): Split out from reorder_basic_blocks.
1170 (make_reorder_chain): Likewise. Loop until all blocks are placed.
1171 (make_reorder_chain_1): Renamed from old make_reorder_chain.
1172 Only construct the reorder chain, do not move insns. Try harder
1174 (label_for_bb, emit_jump_to_block_after): New.
1175 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
1176 and adjust the jump insns appropriately. Fixup basic_block_info.
1177 (verify_insn_chain): Always define.
1178 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
1180 (make_new_scope): Don't write zeros to calloc'd space.
1181 (build_scope_forest): Rely on xrealloc to DTRT.
1182 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1183 profile_arc_flag. Streamline EH test.
1185 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1186 * basic-block.h: Declare them.
1188 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1190 * emit-rtl.c (reset_used_decls): New function.
1191 (unshare_all_rtl_again): Call it.
1193 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1195 * cpplex.c (maybe_macroexpand): Warn about function-like
1196 macros used in non-function context, if -Wtraditional.
1198 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1200 * recog.c (peephole2_optimize): Use INSN_P.
1202 2000-05-25 Richard Henderson <rth@cygnus.com>
1204 * ifcvt.c (seq_contains_jump): New.
1205 (noce_try_store_flag_constants): Use it to fail conversion.
1206 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1208 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1210 * except.h (can_throw): Declare it.
1211 * except.c (can_throw): Give it external linkage.
1212 * resource.c (find_dead_or_set_registers): Use can_throw.
1214 2000-05-25 Richard Henderson <rth@cygnus.com>
1216 * flow.c (mark_set_1): Don't record conditionally dead memory.
1218 2000-05-25 Jan Hubicka <jh@suse.cz>
1220 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1221 and pc_set at the place of simplejump_p and condjump_p.
1222 * cse.c (record_jump_equiv): Likewise.
1223 * emit-rtl.c (emit): Likewise.
1224 * explow.c (find_next_ref): Likewise.
1225 * flow.c (tidy_fallthru_edge): Likewise.
1226 (init_propagate_block_info): Likewise.
1227 * gcse.c (delete_null_pointer_checks): Likewise.
1228 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1229 dead_or_predicable): Likewise.
1230 * integrate.c (copy_insn_list): Likewise.
1231 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1232 for_each_insn_in_loop, check_dbra_loop, get_condition,
1233 insert_bct, load_mems): Likewise.
1234 * resource.c (find_dead_or_set_registers): Likewise.
1235 * sibcalls.c (simplejump_p): Likewise.
1236 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1238 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1240 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1241 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1243 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1244 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1245 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1246 * rs6000.md: Name various internal patterns.
1248 2000-05-25 Jan Hubicka <jh@suse.cz>
1250 * jump.c (invert_exp_1): Remove first argument, use pc_set
1251 to get the expression.
1252 (redirect_exp): Make static; redirect only the pc_set expression,
1253 remove first argument.
1254 (invert_exp): Remove first argument, make static.
1255 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1256 any_onlyjump at most places where we originaly did condjump_p
1258 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1259 (delete_barrier_succesors): Use pc_set.
1260 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1261 calls of invert_exp and redirect_exp.
1262 * rtl.h (redirect_exp, invert_exp): Remove.
1263 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1265 2000-05-25 Richard Henderson <rth@cygnus.com>
1267 * stmt.c (expand_end_bindings): Fix thinko last change.
1269 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1270 Andrew Haley <aph@cygnus.com>
1272 * except.c (func_eh_entry): Add emitted field.
1273 (new_eh_region_entry): Set emitted field to 0;
1274 (output_exception_table_entry): Only emit previously un-emitted data,
1275 and send it to the eh_data section.
1276 (output_exception_table): Break out common parts. Output
1277 exception table for entire compilation unit to eh_data section.
1278 (output_exception_table_data): Common parts of output_exception_table.
1279 Send output to eh_data section.
1280 (output_function_exception_table): Output exception table data for
1281 a single function to eh_data section.
1282 (free_exception_table): New external to free the table.
1283 * except.h (free_exception_table): Add prototype.
1284 (output_function_exception_table): Add prototype.
1285 * final.c (final_end_function): Output function exception table
1286 for IA64_UNWIND_INFO.
1287 (final_scan_insn): Emit any unwind directives for an insn.
1289 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1291 * frame.c: Remove all DWARF 2 specific code.
1292 * config/ia64/frame-ia64.c: New file.
1293 (gthread_stuff): Make all gthread available with
1295 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1296 (__register_frame_info, __register_frame): Move to common area of file.
1297 (__register_frame_info_table, __register_frame_table): Move to common i
1299 (__deregister_frame_info, __deregister_frame): Move to common area.
1300 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1301 (read_uleb128): New version for ia64.
1302 (get_unwind_record): Read the next IA-64 unwind record.
1303 (read_R_record): Read a region header record.
1304 (process_a_b_reg_code): X record helper.
1305 (read_X_record): Read an X format record.
1306 (read_B_record): Read a B format record.
1307 (P3_record_types): List of record types matching the P3 format.
1308 (P7_record_types): List of record types matching the P7 format.
1309 (P8_record_types): List of record types matching the P8 format.
1310 (read_P_record): Read a P format record.
1311 (init_ia64_reg_loc): Set default fields for a register.
1312 (init_ia64_unwind_frame): Set defaults for all register records.
1313 (execute_one_ia64_descriptor): Execute one descriptor record.
1314 (rse_address_add): Calculate the position of a local reg in memory.
1315 (normalize_reg_loc): Turn a location descriptor into a memory address.
1316 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1317 within a specified PC offset range.
1318 (get_real_reg_value): Given a register location, retrieve its value.
1319 (set_real_reg_value): Change the value of a register location.
1320 (copy_reg_value): Copy reg values, if needed.
1321 (copy_saved_reg_state): Copy all registers that need to be copied.
1322 (process_state_between): Normalize all frame register records that
1323 fall within the specified PC range.
1324 (frame_translate): Take a processed frame description, and turn
1325 everything into addresses.
1326 (build_ia64_frame_state ): Find and create frame state record for a PC.
1327 (get_personality): Get the personality routine for a given frame.
1328 (get_except_table): Get the exception table for a given frame.
1329 (record_name): Unwind record names for debugging.
1330 (print_record): Print and unwind record.
1331 (print_all_records): Print an entire unwind image.
1332 (__ia64_backtrace): Print a backtrace.
1333 (ia64_backtrace_helper): New function.
1334 (__register_frame_info_aux): New function.
1335 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1337 * frame.h (enum unw_record_type): New unwind record types.
1338 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1339 (struct unw_r_record, unwind_record): New unwind record structs.
1340 (struct unwind_info_ptr): Unwind information layout.
1341 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1343 (struct ia64_reg_loc): Register location description.
1344 (struct ia64_frame_state): Location of all registers in a frame.
1345 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1346 * libgcc2.c (__ia64_personality_v1): Personality routine.
1347 (__calc_caller_bsp): Calculate the bsp register for the caller's
1349 (ia64_throw_helper): Figure out who to return to and set up the
1351 (__throw): Throw routine.
1353 * output.h (assemble_eh_align, assemble_eh_label): New functions
1354 to generate EH info where we want it.
1355 (assemble_eh_integer): New function.
1356 * toplev.c (compile_file): Output module level exception table for
1358 (main): Set exceptions_via_longjump and flag_new_exceptions based
1359 on IA64_UNWIND_INFO too.
1361 * varasm.c (assemble_eh_label): Generate a label via
1362 ASM_OUTPUT_EH_LABEL if it has been specified.
1363 (assemble_eh_align): Generate an alignment directive via
1364 ASM_OUTPUT_EH_ALIGN if it has been specified.
1365 (assemble_eh_label): Generate an integer value via
1366 ASM_OUTPUT_EH_type if they have been specified.
1367 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1368 (ia64_init_builtins): Add __builtin_ia64_bsp
1369 and __builtin_ia64_flushrs.
1370 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1371 IA64_BUILTIN_FLUSHRS.
1372 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1373 IA64_BUILTIN_FLUSHRS.
1375 * config/ia64/ia64.md (flushrs): New insn to flush the register
1376 stack. Add to unspec list.
1378 * config/ia64/crtbegin.asm (frame_object): Change size.
1379 (__do_frame_setup_aux): New function.
1380 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1381 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1382 * Makefile.in (LIB2ADDEH): Add.
1383 (LIB2ADD): Use LIB2ADDEH.
1385 2000-05-24 Richard Henderson <rth@cygnus.com>
1387 * recog.c (offsettable_address_p): If mode size is zero, assume
1390 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1392 * configure.in: Check for -Wno-long-long option support and improve
1393 handling of warning CFLAGS for stages 1 and 2.
1394 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1395 * configure: Regenerate.
1397 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1399 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1400 * contrib.texi: New file.
1402 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1404 * loop.c (basic_induction_var): Avoid double recording of an increment.
1406 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1408 * Back out this patch:
1409 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1410 * loop.h (struct induction): Add multi_insn_incr.
1411 * loop.c (basic_induction_var): New multi_insn_incr argument.
1412 Set it if we search back through previous insns for the biv.
1413 (record_biv): New multi_insn_incr argument; fill in struct induction.
1414 (strength_reduce): Discard an iv with multiple bivs, any of
1415 which require multiple insns to increment.
1417 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1419 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1421 * rtl.h (loc_mentioned_in_p): Declare.
1422 * reload.c (loc_mentioned_in_p): Moved from here...
1423 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1424 Fix loop increment for 'E' handling.
1425 * loop.c (strength_reduce): When doing biv->giv conversion,
1426 take multi-insn biv increments into account.
1428 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1430 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1433 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1435 * calls.c (expand_call): Handle cleanups in tail-recursion
1436 arguments analagously to cleanups in sibling calls.
1438 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1440 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1441 All callers changed.
1443 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1445 * expr.c (expand_assignment, store_expr, expand_expr,
1446 expand_expr_unaligned): Set in_check_memory_usage while emitting
1447 chkr_check_addr libcall.
1449 2000-05-24 Nick Clifton <nickc@cygnus.com>
1451 * fold-const.c (extract_muldiv): When constructing a
1452 multiplier/divisor, do not expect const_binop to correctly
1453 determine if overflow has occured, so check explicitly.
1455 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1457 * c-decl.c (build_enumerator): Don't modify the value's type,
1460 2000-05-24 Andreas Jaeger <aj@suse.de>
1462 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1464 2000-05-24 Eric Christopher <echristo@cygnus.com>
1466 * configure.in: Redefine inhibit_libc conditions.
1467 * libgcc2.c: Remove inhibit_libc conditional define.
1468 * configure: Regenerate.
1470 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1472 * configure.in: For --enable-languages=LIST, check for empty LIST.
1473 * configure: Regenerate.
1475 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1477 * pdp11.h (STACK_BOUNDARY): Define.
1479 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1481 * ifcvt.c (if_convert): Update life info globally.
1483 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1485 * emit-rtl.c (unshare_all_decls): New function.
1486 (unshare_all_rtl): Call it.
1488 2000-05-23 Nick Clifton <nickc@cygnus.com>
1490 * configure.in: Treat 'strongarm' as if it were 'arm' when
1491 determining cpu type.
1493 * configure: Regenerate.
1495 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1496 where constant strings are involved.
1498 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1501 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1502 cases where constant strings are involved.
1504 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1506 * config/sh/sh.c (gen_far_branch, split_branches): Update
1507 to reflect new prototypes for redirect_jump and invert_jump.
1508 (sh_insn_length_adjustment): Get rid of const warnings.
1510 2000-05-23 Kazu Hirata <kazu@hxi.com>
1512 * invoke.texi (Options for Debugging Your Program or GCC): Update
1513 the names of dump files.
1515 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1517 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1518 * configure: Regenerated.
1520 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1522 * simplify-rtx.c (SIGN_EXTEND): New macro.
1523 (simplify_unary_operation, simplify_binary_operation,
1524 simplify_relational_operation): Use SIGN_EXTEND. Make low
1525 halves of (low, high) pairs unsigned if they weren't already.
1526 (simplify_ternary_operation): Cast INTVAL to unsigned before
1527 comparing to a MODE_BITSIZE.
1529 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1531 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1532 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1534 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1535 gcc_AC_NEED_DECLARATIONS.
1537 * dwarfout.c: Don't prototype time().
1539 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1541 * system.h: Likewise.
1543 * toplev.c: Likewise.
1545 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1547 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1549 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1551 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1553 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1555 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1557 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1559 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1560 (alpha_start_function): Never write ..ng label if VMS or NT.
1561 (alpha_align_insns): Remove GP_IN_USE arg.
1562 Alignment now unsigned.
1563 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1564 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1565 and two define_insn's.
1567 2000-05-22 Richard Henderson <rth@cygnus.com>
1569 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1571 2000-05-22 Richard Henderson <rth@cygnus.com>
1573 * stor-layout.c (place_field): Change rli->size to rli->offset.
1575 2000-05-22 Richard Henderson <rth@cygnus.com>
1577 * function.c (thread_prologue_and_epilogue_insns): Make sure
1578 existing line number notes appear after the prologue.
1580 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1582 * config/alpha/alpha.c (alpha_fnname): New static variable.
1583 (print_operand, case '~'): New case.
1584 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1585 (alpha_start_function): Set alpha_fnname.
1586 Write "ng" label if no ldgp; don't write ldgp insn.
1587 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1588 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1590 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1592 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1595 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1597 * varasm.c (eh_frame_section): Revert change to argument list.
1599 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1601 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1602 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1604 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1605 dangling "else" that causes "break" to be conditional.
1606 Also remove unneeded code at start.
1608 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1610 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1611 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1612 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1614 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1616 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1619 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1621 * alias.c (record_component_aliases): New function.
1622 * tree.h: Clean up some declarations and comments.
1623 (record_component_aliases): New declaration.
1624 * tree.c (get_alias_set): If type and has alias set, use it.
1626 2000-05-22 Richard Henderson <rth@cygnus.com>
1628 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1629 IF_THEN_ELSE to a setcc form.
1630 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1632 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1634 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1635 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1637 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1639 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1642 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1644 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1645 * config/mn10300/mn10300.c (print_operand): Likewise.
1647 * final.c (split_double): Right shift of negative values is not
1650 * ifcvt.c (if_convert): Scan and kill dead code.
1652 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1654 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1656 * diagnostic.c: Eliminate implicit int.
1657 * except.c, gcc.c: Add static prototypes.
1658 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1659 * gensupport.c (process_rtx): Use XVEC to initialize vector
1662 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1663 debug_reg_names instead of static reg_names. If not, define
1665 * regclass.c: Don't define global reg_names unless
1666 DEBUG_REGISTER_NAMES is defined.
1668 * reload1.c (order_regs_for_reload): Remove unused variable.
1669 * varasm.c: Include output.h after defaults.h. Define
1670 eh_frame_section as function of no args, not of unspecified args.
1672 * gcc.c: Constify argbuf; arguments to store_arg,
1673 process_command, main; elements of struct command and struct
1674 switchstr; local variables in execute, process_command, main.
1676 2000-05-20 Bruce Korb <bkorb@gnu.org>
1678 * fixinc/inclhack.def: many applications of c_fix=format + tests
1679 * fixinc/check.diff: regenerated
1680 * fixinc/fixincl.x: regenerated
1682 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1684 * alias.c: Clarify some comments.
1685 (record_base_value): REGNO is unsigned.
1686 * rtl.h (record_base_value): Likewise.
1688 * alias.c (aliases_everything_p): Don't special-case QImode here.
1689 * c-common.c (c_get_alias_set): Do it here.
1690 Handle BIT_FIELD_REF by getting alias info for arg.
1693 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1695 * mklibgcc.in: Restore rule to create ${dir}.
1697 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1699 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1700 GCC_FOR_TARGET used by MULTILIBS.
1701 * mklibgcc.in: Make sure each .o file depends on the
1702 directory it will be in.
1703 Make the multilib directory depends libgcc.
1705 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1707 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1709 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1711 * fold-const.c (make_range): Handle degenerated intervals.
1712 Fixes c-torture/execute/991221-1.c
1714 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1716 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1717 * reload.c (find_equiv_reg): Likewise.
1718 * alias.c (init_alias_analysis): Likewise.
1719 Only call prologue_epilogue_contains on insns.
1720 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1721 * bb-reorder.c (hard-reg-set.h): Include earlier.
1722 * haifa-sched.c (hard-reg-set.h): Likewise.
1723 * ifcvt.c (hard-reg-set.h): Likewise.
1724 * local-alloc.c (hard-reg-set.h): Likewise.
1725 * loop.c (hard-reg-set.h): Likewise.
1726 * predict.c (hard-reg-set.h): Likewise.
1727 * regrename.c (hard-reg-set.h): Likewise.
1728 * flow.c (hard-reg-set.h): Likewise.
1729 (reg_set_to_hard_reg_set): New function.
1730 * bitmap.c (regs.h, basic-block.h): No longer include.
1731 (bitmap.h): Now include.
1732 * conflict.c (hard-reg-set.h): Include.
1733 * profile.c (hard-reg-set.h): Likewise.
1734 * print-rtl.c (hard-reg-set.h): Likewise.
1735 * sbitmap.c (hard-reg-set.h): Likewise.
1736 * toplev.c (hard-reg-set.h): Likewise.
1737 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1738 * hard-reg-set.h (reg_names): Now constant.
1739 * regs.h (reg_names): Likewise.
1740 * regclass.c (reg_names): Likewise.
1741 * loop.h (basic-block.h): No longer include.
1742 (bitmap.h): Now include.
1743 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1744 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1745 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1747 2000-05-19 Jan Hubicka <jh@suse.cz>
1748 Richard Henderson <rth@cygnus.com>
1750 * basic-block.h (struct edge_def): New field "count".
1751 (struct basic_block_def): Likewise.
1752 * flow.c (entry_exit_blocks): Add count fileds.
1753 (split_edge): Keep count information up-to-date.
1754 (dump_edge_info, dump_flow_info): Dump count fields.
1756 * final.c (count_instrumented_edges): Rename to edge from arc.
1757 (end_final): Update users.
1758 * profile.c: Include expr.h, basic-block.h.
1759 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1760 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1761 (ignore_next_note, return_label_execution_count): Kill.
1762 (bbg_file_name, da_file_name): Kill.
1763 (edge_info, bb_info): New structures.
1764 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1765 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1766 (total_num_edges_instrumented): Likewise.
1767 (init_arc, expand_spanning_tree): Kill.
1768 (fill_spanning_tree, tablejump_entry_p): Kill.
1769 (instrument_edges): Rewrite from instrument_arcs to use
1770 commit_edge_insertions infrastructure.
1771 (compute_branch_probabilities): Remove arguments; rewrite for
1772 CFG infrastructure; use rtl_dump_file directly.
1773 (branch_prob, find_spanning_tree): Likewise.
1774 (union_groups, find_group): New.
1775 (init_branch_prob): Make bbg_file_name and da_file_name local.
1776 (end_branch_prob): Use rtl_dump_file directly.
1777 (init_edge_profiler): Rename to edge from arc.
1778 (output_arc_profiler): Kill.
1779 (gen_edge_profiler): New.
1780 (output_func_start_profiler): Turn off profiling. Make the
1781 constructor static when we can.
1782 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1784 * toplev.c (DFI_flow): Remove.
1785 (DFI_cfg, DFI_life): New.
1786 (dump_file): Update accordingly.
1787 (compile_file): Call end_branch_prob if profile_arc_flag too.
1788 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1789 profiling after the CFG is built. Move flow1 life analysis to
1790 DFI_life. Always estimate remaining probabilities.
1792 2000-05-19 Richard Henderson <rth@cygnus.com>
1794 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1796 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1798 2000-05-19 Richard Henderson <rth@cygnus.com>
1800 * jump.c (redirect_jump): Add delete_unused argument. Don't
1801 remove labels and code following when LABEL_NUSES goes to zero.
1802 (invert_jump): Likewise.
1803 (jump_optimize_1): Fix redirect/invert arguments.
1804 (do_cross_jump, thread_jumps): Likewise.
1805 * flow.c (split_edge): Likewise.
1806 * reorg.c (optimize_skip): Likewise.
1807 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1808 * profile.c (instrument_arcs): Likewise.
1809 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1810 * rtl.h: Update prototypes.
1812 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1814 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1816 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1819 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1821 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1822 past l1 when deleting whitespace and markers.
1824 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1825 * cpplib.c (do_unassert): Put the list to compare against on
1828 2000-05-19 Bruce Korb <bkorb@gnu.org>
1830 * fixinc/README: cleaned up old documentation
1831 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1832 * fixinc/check.tpl: compute the list of needed directories
1833 emit "#if defined(name)" because of conflict
1834 omit machine name differences from output differences
1835 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1836 (machine_name): change test text to use `sed' markers
1837 * fixinc/fixincl.x: regen
1839 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1841 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1844 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1846 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1847 it to match the current practice.
1849 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1851 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1853 2000-05-18 Richard Henderson <rth@cygnus.com>
1855 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1856 * rtl.h (insn_dependant_p): Declare it.
1857 * loop.c (strength_reduce): Use it.
1859 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1861 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1862 16-bit and 64-bit clean-up.
1864 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1866 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1867 * configure: Rebuilt.
1869 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1871 * genopinit.c: Use $ for escape sequences in optab patterns.
1872 Remove backslashes from optab patterns. Change $A, $B, $C to
1873 expand to (int) whatever instead of just whatever; remove
1874 explicit (int) from all optab patterns.
1876 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1877 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1878 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1879 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1882 2000-05-18 Richard Henderson <rth@cygnus.com>
1884 * jump.c (jump_optimize_1): Base minimum insn count during
1885 find_cross_jump on BRANCH_COST.
1887 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1889 * print-rtl.c (print_rtx): Only print note line number as string
1890 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1891 * final.c (final_scan_insn): Do nothing for note line number 0.
1893 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1895 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1896 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1897 NOTE_INSN_DELETED_LABEL.
1899 2000-05-18 Nick Clifton <nickc@cygnus.com>
1901 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1902 uninitialised data in .rodata not .bss, and do not interpret an
1903 error in the initialisation value as meaning that the variable
1904 should be placed in the .bss section.
1906 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1908 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1909 not `$ac_cv_prog_cc_cc_c_o'.
1910 * configure: Regenerated.
1912 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1913 Richard Henderson <rth@cygnus.com>
1915 * c-common.h (enum c_tree_index): Add g77 type entries.
1916 (g77_integer_type_node, g77_uinteger_type_node): New.
1917 (g77_longint_type_node, g77_ulongint_type_node): New.
1918 * c-decl.c (init_decl_processing): Initialize them.
1920 2000-05-18 Richard Henderson <rth@cygnus.com>
1922 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1924 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1925 (small_power_of_two): Likewise; use exact_log2.
1926 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1927 (output_adds_subs): Remove.
1928 (two_insn_adds_subs_operand): New.
1929 (split_adds_subs): New.
1930 * config/h8300/h8300-protos.h: Update.
1931 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1932 (CONST_OK_FOR_L): Match strict adds operands.
1933 (CONST_OK_FOR_N): Match struct subs operands.
1934 * config/h8300/h8300.md (adds_subs insns): Remove.
1935 (addhi patterns): Output adds/subs directly.
1936 (addsi_h8300h): Likewise.
1937 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1939 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1941 * cppexp.c (parse_assertion): New.
1942 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1943 (_cpp_parse_expr): Remove case '#'. Don't set
1944 parsing_if_directive.
1945 * cpphash.c (collect_objlike_expansion,
1946 collect_funlike_expansion, collect_params,
1947 _cpp_create_definition): The list no longer has a trailing
1949 * cpphash.h (enum node_type): Add T_ASSERTION.
1950 (struct hashnode): Remove aschain, add pred.
1951 (struct predicate): New.
1954 * cpplex.c (expand_token_space): Handle both offset and
1956 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1957 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1958 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1959 _cpp_equiv_toklists): New.
1960 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1961 stop at any single-character token, not just newline.
1962 (_cpp_lex_token): Remove special cases for #define and #if.
1963 (cpp_get_token): Expect # as a separate token type. Remove
1965 (_cpp_get_directive_token): Remove DIRECTIVE case.
1966 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1968 * cpplib.c (_cpp_check_directive): Set dirno and
1969 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1970 (_cpp_handle_directive): Run # <number> through the same logic
1971 as normal directives.
1972 (do_define): Don't set parsing_define_directive. Use
1973 _cpp_scan_until. The list does not have a VSPACE at the end.
1974 (do_if): Save, clear, and restore only_seen_white around
1976 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1977 (do_assert, do_unassert): Rewrite.
1979 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1980 (LIST_OFFSET): New flag.
1981 (struct cpp_toklist): Replace dir_handler and dir_flags with
1983 (struct cpp_reader): Remove parsing_if_directive and
1984 parsing_define_directive.
1986 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1988 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1989 following the cabs decl which terminate on the following line.
1990 Add the corresponding test_text case.
1992 2000-05-18 Neil Booth <NeilB@earthling.net>
1994 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1995 default tab stop size.
1996 (no_num, OPT_ftabstop): New.
1997 (handle_option): Handle "ftabstop=" command-line option.
1998 (print_help): Document it.
1999 * cpplex.c (COLUMN): Remove.
2000 (handle_newline): Reset col_adjust.
2001 (skip_whitespace): Update col_adjust as tabs encountered.
2002 (_cpp_lex_line): Update to use col_adjust. Call
2003 skip_whitespace for all whitespace.
2004 * cpplib.h (struct cpp_options): New member tabstop.
2005 (struct cpp_reader): New member col_adjust.
2006 (CPP_BUF_COL): Update.
2007 (CPP_BUF_COLUMN): New.
2008 * cpp.texi: Document "-ftabstop=" command line option.
2010 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
2012 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
2014 * configure: Rebuilt.
2016 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
2018 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
2020 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
2021 HOST_BITS_PER_WIDE_INT is >= 64.
2023 2000-05-17 Richard Henderson <rth@cygnus.com>
2025 * jump.c (jump_optimize_1): Remove inactive but real insns
2026 in jump-to-next-insn optimization.
2028 2000-05-17 Richard Henderson <rth@cygnus.com>
2030 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
2031 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
2032 Don't call recompute_reg_usage if no_new_pseudos is true.
2033 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
2034 Return true if we did work; update global life information.
2035 * basic-block.h (optimize_mode_switching): Update decl.
2037 2000-05-17 Neil Booth <neilb@earthling.net>
2039 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
2041 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
2043 * cpplib.c: New feature, #pragma system_header.
2044 * cpp.texi: Document special treatment of system headers, and
2045 the various mechanisms to get a header that special treatment.
2047 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2049 * system.h (offsetof): Define at the very end, to ensure we prefer
2050 the platform's definition if available.
2052 2000-05-16 Bruce Korb <bkorb@gnu.org>
2054 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
2055 * fixinc/server.c: likewise
2056 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
2057 + #ifdef debugging code + use #def constant for
2059 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
2060 on C++ math namespace
2062 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2064 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
2065 Don't check the return value of sprintf. Use asprintf to avoid
2068 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
2070 * flags.h (warn_unused_function, warn_unused_label,
2071 warn_unused_parameter, warn_unused_variable, warn_unused_value):
2072 Replace ``warn_unused''.
2073 (set_Wunused): Add declaration.
2074 * toplev.c (set_Wunused): New function.
2075 (warn_unused_function, warn_unused_label, warn_unused_parameter,
2076 warn_unused_variable, warn_unused_value): New variables.
2077 (W_options): Add -Wunused-function, -Wunused-function,
2078 -Wunused-label, -Wunused-parameter, -Wunused-variable and
2079 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
2081 * toplev.c (decode_W_option): Update -Wunused flags by calling
2083 * c-decl.c (c_decode_option): Ditto for -Wall.
2085 * stmt.c (expand_expr_stmt, expand_expr_stmt,
2086 warn_about_unused_variables): Replace warn_unused with more
2087 explicit warn_unused_value et.al.
2088 * function.c (expand_function_end): Ditto.
2089 * c-typeck.c (internal_build_compound_expr,
2090 internal_build_compound_expr): Ditto.
2091 * c-decl.c (poplevel, pop_label_level): Ditto.
2092 * toplev.c (check_global_declarations): Replace warn_unused with
2093 check for either warn_unused_function or warn_unused_variable.
2095 * gcc.1, invoke.texi (Warning Options): Document
2096 -Wunused-function, -Wunused-function, -Wunused-label,
2097 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
2099 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
2101 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
2102 $(srcdir), not in the current directory.
2104 2000-05-16 Richard Henderson <rth@cygnus.com>
2106 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
2107 assembler supports it.
2108 (.fini, .init): Use a gp-relative indirect call.
2109 (__do_global_dtors_aux): Preserve the gp; rebundle.
2110 (__do_frame_setup): Likewise.
2111 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
2112 (.init): Use a gp-relative indirect call.
2113 (__do_global_ctors_aux): Preserve the gp.
2115 2000-05-16 Richard Henderson <rth@cygnus.com>
2117 * flow.c (commit_one_edge_insertion): Be prepared for a return
2118 insn to be inserted on the edge with a normal jump.
2119 * jump.c (jump_optimize_1): Don't look to create return isns.
2121 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2122 * jump.c (jump_optimize_1): Likewise.
2123 (returnjump_p): Verify the argument is a JUMP_INSN.
2124 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2126 2000-05-16 Nick Clifton <nickc@cygnus.com>
2128 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2129 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2130 (large_insn_p): Ditto.
2131 (m32r_is_insn): New function: Return true if the insn contains
2132 an executable instruction.
2133 (m32r_adjust_insn): Use m32r_is_insn.
2134 (m32r_sched_reorder): Use m32r_is_insn.
2135 (m32r_sched_variable_issue): Use m32r_is_insn.
2137 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2139 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2142 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2144 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2145 according to given options.
2147 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2149 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2150 if X has VOIDmode either.
2151 (LIMIT_RELOAD_CLASS): Similarly.
2153 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2154 not "general_operand" to match the processor's capabilities.
2156 2000-05-16 Bruce Korb <bkorb@gnu.org>
2158 * fixinc/README: corrected return address
2159 * fixinc/check.diff: regenerate, now that test works
2160 * fixinc/fixfixes.c(format_fix,format_write): reformatted
2161 (char_macro_def_fix,char_macro_use_fix): corrected and
2162 rewrote to use regex to parse the text
2163 * fixinc/inclhack.def: more testing
2164 * fixinc/fixincl.x: regenerated
2166 * fixinc/inclhack.def: added several "test_text" attributes
2167 changed several fixes to use `c_fix = format'
2168 re-alphabetized the fixes
2170 * fixinc/check.diff: regenerate
2171 * fixinc/fixincl.x: regenerate
2172 * fixinc/check.tpl: added `sparc' and `netinet' to the list
2176 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
2178 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2180 2000-05-15 Richard Henderson <rth@cygnus.com>
2182 * toplev.c (rest_of_compilation): Run full jump pass before
2183 find_basic_blocks of flow2.
2185 2000-05-15 Richard Henderson <rth@cygnus.com>
2187 * jump.c: Fix typos and clarify commentary from last change.
2188 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2189 (safe_to_remove_jump_p): Remove.
2190 (condjump_label): Use pc_set.
2192 2000-05-15 Richard Henderson <rth@cygnus.com>
2194 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2195 that get in the way after reload.
2196 (cond_exec_process_if_block): Skip a label heading THEN block.
2198 2000-05-15 Richard Henderson <rth@cygnus.com>
2200 * varasm.c (output_constant_pool): Abort instead of converting
2201 (improperly) deleted labels to zero.
2203 2000-05-16 Neil Booth <NeilB@earthling.net>
2205 * cpplex.c (parse_string2): Update comment.
2206 (cpp_lex_line): No special assertion treatment for '('.
2207 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2208 * cpplib.h (SYNTAX_ASSERT): Remove.
2210 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2212 * jump.c (condjump_p): Mark as depreached.
2213 (any_condump_p): New.
2214 (any_uncondump_p): New.
2216 (safe_to_remove_jump_p): New.
2217 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2218 safe_to_remove_jump_p): Declare.
2220 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2222 * calls.c: Re-install both patches reverted by last patch.
2223 (struct arg_data): New field tail_call_reg.
2224 (initialize_argument_information): Initialize tail_call_reg
2225 (load_register_parameters): New argument flags, use
2226 tail_call_reg when emiting tail call sequence.
2227 (expand_call): Update call of load_register_parameters;
2228 copy unadjusted_args_size to adjusted_args_size.
2230 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2232 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2233 and bct_p parameters to flags.
2234 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2235 * rtl.h (loop_optimize): Update prototype.
2236 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2238 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2240 * calls.c (expand_call): Move expand_start_target_temps call after
2243 2000-05-15 Neil Booth <NeilB@earthling.net>
2245 * cpphash.c (trad_stringify, warn_trad_stringify,
2246 collect_params): Make some pointers pointers to const.
2247 * cpplex.c (auto_expand_name_space) Guaranteed to always
2248 expand by at least one character.
2249 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2250 (struct token_spelling): Use const U_CHAR * rather than PTR.
2251 (expand_name_space): Fix up token pointers if name space
2252 is moved when expanding.
2253 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2254 parse_string2, save_comment, spell_token, cpp_output_list):
2255 Update so the routines handle tokens with a direct pointer to
2256 their text, rather than an offset into the token's list's namebuf.
2257 (_cpp_lex_line): Rearrange for clarity.
2259 * cpplib.c (_cpp_check_directive): Similarly.
2260 (do_define): Make SYM a pointer to const.
2261 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2262 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2263 (TOK_OFFSET): Delete.
2266 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2268 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2271 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2273 (logical_u_operand): Delete.
2274 (non_logical_cint_operand): Rewrite to take MODE into account.
2275 (non_logical_u_cint_operand): Delete.
2276 (boolean_operator): New function.
2277 (print_operand): Add new %q operand.
2278 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2279 remove logical_u_operand and non_logical_u_cint_operand,
2280 update logical_operand and non_logical_cint_operand.
2281 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2282 logical operations to use %q.
2284 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2285 (movdi): Make similar to movsi.
2286 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2287 is no such thing as a DImode CONST_DOUBLE.
2288 * config/rs6000/rs6000.c (output_toc): Likewise.
2290 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2291 codes when old mnemonics are in use. Print register names
2292 for cc registers when requested.
2294 * optabs.c (expand_float): Don't allow mode widening that causes
2297 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2298 flags to their current names -maix64 and -maix32.
2300 2000-05-14 Bruce Korb <bkorb@gnu.org>
2302 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2303 and/or after current text of file
2304 * fixinc/fixlib.c(must_malloc):
2305 * fixinc/fixlib.h(must_malloc): + reformatting
2306 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2307 with usages of ``c_fix = wrap;''
2308 Add several tests and use the ``c_fix = format'' fixer more.
2309 * fixinc/fixincl.x: regen
2310 * fixinc/check.diff: regen
2311 * fixinc/check.tpl: emit the associated header with the missing
2314 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2316 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2317 variables $src and $dst.
2319 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2321 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2322 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2323 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2324 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2326 (set_message_prefixing_rule): Declare.
2328 * diagnostic.c: (current_prefixing_rule): New variable.
2329 (set_message_prefixing_rule): Define.
2330 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2331 (init_output_buffer): Adjust Initialization.
2332 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2334 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2336 * ifcvt.c (if_convert): Do not free NULL.
2338 2000-05-12 Nick Clifton <nickc@cygnus.com>
2340 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2341 to move a double word value.
2342 (di_operand): New function: Return true if the operand is suitbale
2343 for a double word move operation.
2344 (nonimmediate_di_operand): New function: Return true if the
2345 operand is a DImode register or MEM.
2347 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2348 nonimmediate_di_operand.
2350 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2351 nonimmediate_di_operand.
2353 * config/fr30/fr30.md (movdi): New pattern. Required because
2354 other patterns generate DImode results.
2355 (movdi_insn): New pattern.
2357 2000-05-12 Richard Henderson <rth@cygnus.com>
2359 * config/alpha/alpha.c (struct shadow_summary): Define
2360 bitfields as type unsigned int.
2362 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2364 * config/avr/t-avr: Added definition of FLOAT while generates
2367 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2368 peepholes for tst+jump = sbrs/sbrc optimization.
2370 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2372 * expr.c (emit_push_insn): Do not adjust stack pointer when
2375 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2377 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2378 * system.h (offsetof): ... to here.
2380 2000-05-12 Richard Henderson <rth@cygnus.com>
2382 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2383 * final.c (final_end_function): Use app_disable. Rearrange note
2384 handling into a switch. Emit deleted labels.
2385 (output_asm_label): Generate label strings for deleted labels.
2386 * flow.c (tail_recursion_label_list): New.
2387 (find_basic_blocks_1): Set label_value_list directly. Collect list
2388 of tail recursion labels from call_placeholders. Don't add deleted
2389 labels to the label value list.
2390 (cleanup_cfg): Use free_EXPR_LIST_list.
2391 (flow_delete_insn_chain): Turn non-removable labels into notes.
2392 (flow_delete_block): Don't disable deleting the block because of
2393 a non-removable label.
2394 (tail_recursion_label_p): New.
2395 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2397 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2399 (merge_blocks): Disable a merge because of tail recursion labels.
2400 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2401 Use a more accurate measure of not merging the join block.
2402 (find_if_block): Don't disable conversion because of a label.
2403 (find_if_case_1, find_if_case_2): Likewise.
2404 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2405 element when copying.
2406 (squeeze_notes): Also leave EH notes.
2407 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2409 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2411 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2412 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2413 referring to a deleted label. Convert tail handling to a switch.
2414 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2415 for NOTE_INSN_DELETED_LABEL.
2416 (NOTE): Fix commentary.
2417 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2418 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2419 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2420 (LABEL_NUSES, LABEL_REFS): Likewise.
2421 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2423 2000-05-12 Bruce Korb <bkorb@gnu.org>
2425 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2426 * fixinc/check.diff: updated
2427 * fixinc/inclhack.def: corrected & added some test_text-s
2428 * fixinc/genfixes: removed unneeded options to autogen invocation
2429 * fixinc/fixincl.tpl: Specified the output file
2430 * fixinc/fixfixes.c: visual appearance
2431 * fixinc/fixincl.x: regenerate
2433 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2435 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2436 CTRL_defn_fix): Delete.
2437 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2438 char_macro_def_fix and char_macro_use_fix, respectively. Put
2439 them into the FIXUP_TABLE. Get the string to search for from
2442 (format_write): New function.
2443 (format_fix): Use it.
2445 (FIX_PROC_HEAD): Constify text parameter.
2446 (machine_name_fix): Constify all char *s.
2447 * fixtests.c (skip_quote): Remove double static.
2449 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2450 ctrl_use_quotes): Update for new scheme.
2451 * fixincl.x: Regenerate.
2453 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2455 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2457 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2458 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2460 2000-05-11 Robert Lipe <robertlipe@usa.net>
2462 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2463 * fixincl.x: Regenerate.
2465 2000-05-11 Richard Henderson <rth@cygnus.com>
2467 * calls.c: Revert both 05-09 patches.
2469 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2471 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2473 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2476 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2477 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2479 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2481 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2483 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2485 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2487 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2489 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2490 * config/avr/avr.c (jump_over_one_insn_p): New function.
2491 * config/avr/avr.md: New peepholes added. Output test and
2492 conditional jump to "sbrc" or "sbrs" command.
2494 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2496 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2498 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2500 * except.c (find_exception_handler_labels_1): New function.
2501 (find_exception_handler_labels): Split into two functions, dive
2502 into CALL_PLACEHOLDERs when looking for exception handler labels.
2504 2000-05-11 Stan Cox <scox@cygnus.com>
2506 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2507 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2508 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2510 2000-05-11 Bruce Korb <bkorb@gnu.org>
2512 * fixinc/fixfixes.c (double_slash_fix): obsolete
2513 (else_endif_label_fix): obsolete
2514 (format_fix): new, unused as yet
2516 * fixinc/fixlib.h: added fix description struct for use by format_fix
2517 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2518 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2519 modules. Removed the vestiges of the script version.
2520 Added support for "make check".
2521 * fixinc/check.diff: base diff file (needs work!!)
2522 * fixinc/check.tpl: quiet the fixup output
2523 * fixinc/fixtests.c (main): obsolete
2524 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2525 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2527 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2529 * toplev.c (rest_of_compilation): Remove dead code after
2532 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2534 * cpphash.c (collect_funlike_expansion): Make "# is not
2535 followed by a macro argument name" a pedwarn, not an error.
2536 Preserve the # in the output. Suppress the warning if lang_asm.
2538 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2540 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2541 * configure: Rebuilt.
2543 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2545 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2547 2000-05-10 Kazu Hirata <kazu@hxi.com>
2549 * combine.c (try_combine): Fix a typo.
2551 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2553 * config/ia64/ia64.md (insv): Add comment.
2555 2000-05-10 Richard Henderson <rth@cygnus.com>
2557 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2558 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2559 dependancies on FPBIT and DPBIT.
2561 2000-05-10 Nick Clifton <nickc@redhat.com>
2563 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2564 when optimising for size.
2565 (mark_used_regs:) Ditto.
2566 (try_pre_increment_1): Ditto.
2568 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2570 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2571 Make error message friendlier.
2573 * cpphash.h (struct hashnode): Use struct hack for name
2575 * cpphash.c (struct hashdummy): New.
2576 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2577 (make_HASHNODE): No need to set ->name pointer. Correct
2579 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2581 2000-05-10 Richard Henderson <rth@cygnus.com>
2583 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2586 2000-05-10 Bruce Korb <bkorb@gnu.org>
2588 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2590 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2592 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2593 after we enter .debug.
2595 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2597 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2598 abstract instance of a nested inline function.
2600 * stor-layout.c (finish_record_layout): finalize_type_size
2601 before laying out the pending_statics.
2603 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2605 * cpplex.c (spell_token): New function.
2606 (spell_string, spell_comment, spell_name): fold into
2609 (E, H): Remove macros.
2610 (save_comment): Save comment opening characters too.
2611 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2613 * cpplib.h (I, S): Add macros.
2614 (E, H): Remove macros.
2615 (TTYPE_TABLE): Update entries for new speller.
2616 (SYNTAX_ASSERT): Remove.
2618 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2620 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2621 when removing escaped newlines. Reverse sense of test for
2624 2000-05-09 Richard Henderson <rth@cygnus.com>
2626 * flow.c (find_basic_blocks_1): Do not delete the first
2627 bb_note we run across.
2628 (create_basic_block): Use reorder_insns to move an existing
2629 bb_note to the correct place.
2631 2000-05-09 Richard Henderson <rth@cygnus.com>
2633 * calls.c (expand_call): Increment currently_expanding_call
2634 before calling optimize_tail_recursion.
2636 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2638 * reload1.c (reload_combine): Fix errors in last change.
2640 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2642 * gcc.c (used_arg): Skip over a semicolon at the end of the
2643 split-up loop; don't break out of it.
2645 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2646 (tree.o): Depend on output.h.
2648 * c-decl.c (pending_invalid_xref_file,
2649 current_function_prototype_file): Constify.
2650 (pushdecl): Constify a local char *.
2651 (define_label): Constify filename parameter.
2652 * c-lex.c (init_parse): Constify parameter and return value.
2653 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2654 * c-tree.h: Update prototypes.
2655 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2656 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2657 objc/objc-parse.c: Regenerate.
2659 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2660 * dwarfout.h: Update prototypes.
2661 * expr.c (expand_expr): Constify a local char *.
2662 * flags.h: Constify main_input_filename.
2663 * function.c (expand_function_end): Constify filename parameter.
2664 * genrecog.c (make_insn_sequence): Use a character array for
2666 (main): Remove unused variables.
2667 * input.h: Constify input_filename, main_input_filename, and
2668 file_stack.name. Update prototypes.
2669 * output.h: Declare first_global_object_name and
2670 weak_global_object_name here, as const char *.
2671 * stmt.c (expand_asm_operands): Constify filename parameter.
2672 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2673 Constify filename parameter.
2674 (input_filename, main_input_filename): Constify.
2675 * toplev.h: Update prototypes.
2676 * tree.c: Include output.h. Don't declare
2677 first_global_object_name or weak_global_object_name. Clean up string
2678 bashing in get_file_function_name_long.
2679 * tree.h (struct tree_decl): Constify filename member.
2680 (input_filename): Constify.
2682 * varasm.c (first_global_object_name, weak_global_object_name):
2684 (assemble_start_function, assemble_variable): Clean up string bashing.
2686 * gcc.c: Constify all spec-related strings initialized,
2687 transitively, from string constants. Constify all strings
2688 and string variables related to multilibs.
2689 (set_spec, read_specs): Cast argument to free to PTR.
2690 (used_arg): Do not modify multilib_matches. Use strncmp plus
2691 length comparison to compare multilib switches.
2692 * genmultilib: Constify everything declared in multilib.h.
2694 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2696 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2699 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2701 * config/avr/avr-protos.h (extra_constraint): change a type of
2702 second argument from char to int to avoid warnings.
2703 (asm_output_byte): Likewise.
2705 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2706 (initial_elimination_offset): Handle elimination from
2707 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2708 (legitimate_address_p): Use MAX_LD_OFFSET.
2709 (legitimize_address): Likewise.
2710 (out_movqi_r_mr): Likewise.
2711 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2712 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2713 (out_movsi_mr_r): Likewise.
2714 (out_movqi_mr_r): Likewise.
2715 (out_movhi_mr_r): Likewise.
2716 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2717 count as CONST_INT != 6.
2718 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2719 shift count is a CONSTANT_P, but not a CONST_INT.
2720 (ashlhi3_out): Coding style modifications.
2721 (ashlsi3_out): Likewise.
2722 (ashrhi3_out): Likewise.
2723 (ashrsi3_out): Likewise.
2724 (lshrhi3_out): Likewise.
2725 (lshrsi3_out): Likewise.
2726 (ashrqi3_out): Generate shift for any known constant count without
2727 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2728 but not a CONST_INT.
2729 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2730 shift count is a CONSTANT_P, but not a CONST_INT.
2731 (extra_constraint): change a type of
2732 second argument from char to int to avoid warnings.
2733 (asm_output_byte): Likewise.
2734 (asm_file_end): Output size generated commands count as a hex
2737 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2739 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2741 (ashlqi3): Values of "length" attribute changed. Shift count
2742 uses constraints 'n' instead of 'i'.
2743 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2744 shifts without clobber register.
2745 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2746 (call_insn): Correct test for which_alternative == 1 (was 0).
2747 (call_value_insn): Likewise.
2749 * config/avr/t-avr: Remove definition of FLOAT while generates
2752 2000-05-09 Bruce Korb <bkorb@gnu.org>
2754 * fixinc/check.tpl: Template for checking fixes
2755 * fixinc/inclhack.def: Added 'test_text' for many fixes
2756 disable hpux8_bogus_inlines on SCO
2757 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2759 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2761 * calls.c (expand_call): Reorganize somewhat in order
2762 to avoid unnecesary recalculation inside loop and make
2763 tail call failure code cleaner.
2765 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2767 * alias.c (nonlocal_reference_p): Minor reformatting.
2768 * reload.c (find_equiv_reg): Simplify logic for
2769 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2770 some some reformatting.
2771 * reload1.c (reload_combine): Don't assume everything in
2772 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2774 2000-05-08 Richard Henderson <rth@cygnus.com>
2776 * final.c (current_insn_predicate): New.
2777 (final_scan_insn): Set it.
2778 * output.h (current_insn_predicate): Declare.
2780 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2781 Attach it to call insns.
2782 (cond_exec_process_if_block): Track probability for true and
2784 (dead_or_predicable): Likewise.
2786 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2787 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2788 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2789 (estimate_probability, expected_value_to_br_prob): Use them.
2791 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2792 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2793 (ia64_expand_prediction): New.
2794 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2795 as needed after calls.
2796 (ia64_epilogue_uses): Mark b0 used.
2797 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2798 (bne_true, bne_false): Remove.
2799 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2800 (br_true, br_false): New. Use predicate_operator and
2801 ia64_expand_prediction.
2802 (return_true, return_false): Likewise.
2803 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2804 (call_internal1, call_value_internal): Likewise.
2805 (call_value_internal1, call_multiple_values_internal1): Likewise.
2807 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2809 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2811 2000-05-08 Richard Henderson <rth@cygnus.com>
2813 * rtlanal.c (may_trap_p): Consider old-style and volatile
2816 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2818 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2820 2000-05-08 Richard Henderson <rth@cygnus.com>
2822 * config/ia64/ia64.h (predicate_operator): Declare.
2824 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2827 * gensupport.c (process_rtx): Copy and post-process each member
2828 of the define_insn rtvec individually.
2830 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2832 * cpplex.c (spell_token): New function.
2833 (TOKEN_LEN): Add 1 for whitespace.
2834 (_cpp_lex_file): Update to use spell_token.
2835 * cpplib.h (E): Remove.
2836 (TTYPE_TABLE): Update CPP_VSPACE entry.
2838 2000-05-08 Richard Henderson <rth@cygnus.com>
2840 * flow.c (init_propagate_block_info): Watch out for conditional
2841 branch to next instruction, and thus one outgoing edge.
2843 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2844 for global register variables; don't special case __[CD]TOR_LIST__;
2845 mind ggc_p for string allocation.
2847 2000-05-08 Nick Clifton <nickc@cygnus.com>
2849 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2851 2000-05-08 Bruce Korb <bkorb@gnu.org>
2853 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2854 i?86-*-msdosdjgpp* no longer uses fixincludes
2855 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2856 * fixinc/inclhack.sh: deleted
2857 * fixinc/hackshell.tpl: deleted
2858 * fixinc/inclhack.tpl: deleted
2859 * fixinc/Makefile.in: Remove dependencies on above
2860 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2862 2000-05-08 Andreas Jaeger <aj@suse.de>
2864 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2867 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2869 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2872 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2874 * cpplex.c: Move new lexer definitions and prototypes
2875 to top. Conditional include these and the code if
2876 NEW_LEXER is defined. Rename functions whose names
2877 clash if this code included.
2879 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2881 * rtl.def (COND_EXEC): Clarify.
2883 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2884 same fashion as zero_extendsidi2.
2886 2000-05-06 Richard Henderson <rth@cygnus.com>
2888 * config/ia64/ia64.c (predicate_operator): New.
2889 (ia64_print_operand): Handle 'J'.
2890 (rtx_needs_barrier): Handle COND_EXEC.
2891 * config/ia64/ia64.h (BRANCH_COST): Define.
2892 (PREDICATE_CODES): Update.
2893 * config/ia64/ia64.md: Docuement used unspec values.
2894 (attr predicable): New.
2895 (movxf, movxf_internal): New.
2896 (extendsfdf2): Don't comment out nop.
2897 (floatdidf2): Remove.
2898 (truncxfsf2, truncxfdf2, floatdixf2): New.
2899 (abssi2, absdi2): Put the neg in the "true" slot.
2900 (conditional branch instructions): Mark not predicable.
2901 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2902 (abs*_internal): Likewise.
2903 (alloc, set_bsp): Mark not predicable.
2904 (barrier, insn_group_barrier, flush_cache): Likewise.
2905 (define_cond_exec): New.
2907 2000-05-06 Richard Henderson <rth@cygnus.com>
2909 * c-decl.c: Include "tm_p.h".
2911 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2912 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2913 (ia64_expand_op_and_fetch): Declare.
2914 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2915 (setjmp_operand): Constify variables for XSTR.
2916 (ia64_encode_section_info): Likewise.
2917 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2919 (ia64_asm_output_external): Constify name.
2920 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2921 (process_for_unwind_directive): Provide switch default.
2922 (ia64_expand_compare_and_swap): Remove unused variables.
2923 (ia64_expand_builtin): Likewise.
2924 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2927 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2928 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2929 (shift_count_operand, shift_32bit_count_operand): Likewise.
2930 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2931 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2932 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2933 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2934 (ia64_expand_builtin): Likewise.
2935 (call_multiple_values_operation): Make dest_regno unsigned.
2937 2000-05-06 Richard Henderson <rth@cygnus.com>
2939 * rtl.def (DEFINE_COND_EXEC): New.
2940 * md.texi: Document it.
2942 * gensupport.c (input_file): Remove.
2943 (struct queue_elem): Add lineno.
2944 (rtx_ready_queue): Remove.
2946 (predicable_default): New.
2947 (predicable_true, predicable_false): New.
2948 (define_attr_queue, define_attr_tail): New.
2949 (define_insn_queue, define_insn_tail): New.
2950 (define_cond_exec_queue, define_cond_exec_tail): New.
2951 (other_queue, other_tail): New.
2952 (queue_pattern): New.
2953 (process_rtx): Add patterns to the appropriate queues.
2954 (is_predicable, identify_predicable_attribute): New.
2955 (n_alternatives, collect_insn_data): New.
2956 (alter_predicate_for_insn, alter_test_for_insn): New.
2957 (shift_output_template, alter_output_for_insn): New.
2958 (process_one_cond_exec, process_define_cond_exec): New.
2959 (init_md_reader): Read the entire file. Process define_cond_exec.
2960 (read_md_rtx): Return elements from the queues.
2962 2000-05-06 Richard Henderson <rth@cygnus.com>
2964 * flow.c (mark_set_1): Don't update conditional life info
2965 if the register is not_dead.
2967 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2969 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2970 (mostlyclean): Also delete fixincl, fixinc.sh, and
2971 specs.ready, and make clean in the fixinc subdir.
2973 2000-05-06 Richard Henderson <rth@cygnus.com>
2975 * Makefile.in (gensupport.o): Compile for the host.
2976 (host-prefix gensuuprt.o): Remove.
2977 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2978 (genattrtab.o): Likewise.
2979 (gencodes.o): Depend on gensupport.h.
2980 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2981 (genpeep.o, genattr.o, genoutput.o): Likewise.
2983 * gensupport.c (obstack, rtl_obstack): New.
2984 (init_md_reader): Initialize rtl_obstack.
2985 * gensupport.h (rtl_obstack): Declare.
2986 (message_with_line): Declare.
2988 * genattr.c: Remove all traces of obstack manipulation.
2989 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2990 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2992 * genattrtab.c (obstack, rtl_obstack): Remove.
2993 (main): Don't init rtl_obstack.
2994 * genflags.c: Likewise.
2996 * genrecog.c (message_with_line): Move ...
2997 * gensupport.c: ... here.
2999 2000-05-06 Richard Henderson <rth@cygnus.com>
3001 * c-typeck.c (build_c_cast): Remove dead code.
3003 2000-05-06 Richard Henderson <rth@cygnus.com>
3005 * flow.c (split_edge): Don't allocate global_live_at_start for
3006 the new block unless the old blocks had them as well.
3008 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
3010 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
3011 test_bb if a or b uses x.
3013 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3015 * cpphash.h: Remove conditional #define of __extension__.
3016 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
3017 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
3018 (ENABLE_RTL_CHECKING only).
3019 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
3020 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
3021 (ENABLE_TREE_CHECKING only).
3022 * varray.h: Add __extension__ to VARRAY_CHECK macro
3023 (ENABLE_CHECKING only).
3025 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3027 Use new tail-calling mechanism on ARM.
3028 * arm.md (sibcall, sibcall_value): New expands.
3029 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
3030 (tailcalling peepholes): Delete.
3031 (push_multi): Simplify.
3032 * arm.c (lr_save_eliminated): Delete definition.
3033 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
3034 (output_return_instruction): Remove checks on lr_save_eliminated.
3035 (output_arm_prologue): Remove old tail-calling code.
3036 (arm_output_epilogue): New parameter, really_return. All callers
3037 changed. Handle tail-calling epilogues.
3038 * arm.h (lr_save_eliminated): Delete declaration.
3039 (frame_pointer_needed): Delete declaration.
3040 * arm-protos.h (arm_output_epilogue): Adjust prototype.
3042 * arm.md (is_thumb): Examine symbol thumb_code, not expression
3044 * arm.c (thumb_code): Define it.
3045 (arm_override_options): Set it.
3046 * arm.h (thumb_code): Declare it.
3048 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3050 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
3052 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3054 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
3055 bogus clobber to insns.
3056 (load_multiple_operation, store_mulitple_operation): Don't check
3058 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
3060 * arm.md (and_scc, ior_scc): Add missing mode.
3062 * arm.md (call_value_symbol): Remove predicate from op2.
3064 * arm.h (SPECIAL_MODE_PREDICATES): Define.
3066 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3068 * expr.c (get_subtarget): New function.
3069 (force_operand, expand_expr, do_store_flag): Use it.
3071 * toplev.c (compile_file): Don't take strlen of NAME if null.
3073 2000-05-06 David Edelsohn <edelsohn@gnu.org>
3075 * xcoffout.c (xcoff_current_include_file,
3076 xcoff_current_function_file, xcoff_lastfile): Constify char *.
3077 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
3079 (xcoffout_declare_function): Make name 'const char *'.
3080 (xcoffout_end_epilogue): Make fname 'const char *'
3081 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
3082 xcoffout_declare_function, xcoffout_source_line): Match above.
3084 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
3086 * rs6000.c (print_operand): Fix lossage typo.
3087 (output_cbranch): Remove "cr" decoration for now.
3088 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
3090 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
3092 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
3095 2000-05-05 Bruce Korb <bkorb@gnu.org>
3097 * fixinc/genfixes: Improve the matching for make target names
3099 2000-05-05 Catherine Moore <clm@cygnus.com>
3101 * c-common.c (decl_attributes): For TYPE_DECLs attach the
3102 attribute to the decl.
3103 * c-decl.c (pushdecl): Propagate the USED attribute to the
3106 2000-05-05 Richard Henderson <rth@cygnus.com>
3108 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
3109 same way emit_group_load does.
3111 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
3113 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
3115 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3118 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3120 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3122 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3124 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3125 to support -shared, on platforms with dynamic libraries.
3127 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3129 * system.h (S_ISBLK): Provide fallback definition.
3131 2000-05-05 Geoff Berry <geoffb@bops.com>
3133 * extend.texi (Extended Asm): Document inability to give asm
3134 statements access to condition codes.
3136 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3138 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3139 as arg 2 of UNIQUE_SECTION.
3141 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3143 * predict.c: Remove May 4 change.
3144 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3145 if we have predicted the branch at 50-50 probability.
3147 2000-05-05 Richard Henderson <rth@cygnus.com>
3149 * flow.c (init_propagate_block_info): Fix merge error
3150 in HAVE_conditional_execution code.
3152 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3154 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3155 shift cycle for unknown shift count. Also generates dec + brpl.
3156 (ashlqi3_out): Don't generate dec + brpl which now generates by
3157 `out_shift_with_cnt'.
3158 (ashlhi3_out): Likewise.
3159 (ashlsi3_out): Likewise.
3160 (ashrqi3_out): Likewise.
3161 (ashrhi3_out): Likewise.
3162 (ashrsi3_out): Likewise.
3163 (lshrqi3_out): Likewise.
3164 (lshrhi3_out): Likewise.
3165 (lshrsi3_out): Likewise.
3167 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3169 * gcc.c (free_split_directories): Correct typo in explanation
3170 of make_relative_prefix.
3172 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3174 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
3175 comparison codes to branch_comparison_operator.
3177 2000-05-04 Richard Henderson <rth@cygnus.com>
3179 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
3181 2000-05-04 Richard Henderson <rth@cygnus.com>
3183 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3184 (DPBIT_FUNCS): Remove _sf_to_usi.
3185 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3187 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3188 between condition and jump.
3190 * libgcc2.c (near eh_context_specific): Comment #endif string.
3191 * longlong.h: Don't use strings with embedded newlines.
3193 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3195 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3196 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3197 (print_operand): Delete %t and %T codes.
3198 (output_cbranch): New function. Support branch prediction.
3199 * config/rs6000/rs6000.md: Use output_cbranch for
3200 conditional branches and returns.
3202 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3204 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3205 * stor-layout.c (place_field): Likewise.
3206 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3207 * expr.c (store_expr): Make align unsigned.
3208 * explow.c (plus_constant_wide): Make low words unsigned.
3209 * expmed.c (choose_multiplier): Likewise.
3210 * fold-const.c (fold): Likewise.
3211 * tree.h (build_int_2): Likewise.
3212 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3213 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3214 (init_emit): Change cast to unsigned char*.
3215 * varasm.c (compare_constant_1): Add cast to char*.
3216 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3217 * reload1.c (reload): Likewise.
3219 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3221 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3223 * predict.c (estimate_probability): If no prediction was found, then
3224 predict the successor that is the next physical block (if such a
3227 2000-05-04 Richard Henderson <rth@cygnus.com>
3229 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3231 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3233 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3235 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3237 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3238 attribute macros from here ...
3239 (CPP_SPEC): to here.
3240 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3241 (CPP_SPEC): Likewise.
3242 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3244 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3245 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3247 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3249 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3251 * diagnostic (vbuild_message_string, build_message_string,
3252 build_location_prefix, output_get_prefix, init_output_buffer,
3253 output_notice, vline_wrapper_message_with_location,
3254 v_message_with_decl, default_print_error_function): De-constify.
3255 (set_real_maximum_length): Prototype.
3257 * diagnostic.h (struct output_buffer, init_output_buffer,
3258 output_get_prefix, output_set_prefix): De-constify.
3260 * function.c (init_function_start): Constify.
3262 * gensupport.c (remove_constraints, process_rtx): Prototype.
3264 * gthr-posix.h: Indent uses of #pragma.
3266 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3269 * predict.c (find_expected_value): Delete prototype.
3270 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3272 * sbitmap.h (debug_sbitmap): Prototype.
3274 * ssa.c (compute_coalesced_reg_partition): Prototype.
3276 * stor-layout.c (debug_rli): Prototype.
3278 * tree.h (round_down): Prototype.
3279 (init_function_start): Constify.
3281 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3283 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3284 (overly conservative). Change extern inline wrappers to
3285 static inline, define them always, use PARAMS properly.
3286 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3287 whitespace warnings for \f and \v at the beginning of a line.
3289 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3291 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3294 2000-05-04 Bruce Korb <bkorb@gnu.org>
3296 * fixincl/inclhack.def: added broken_cabs -
3297 Remove `extern double cabs' declarations from math.h
3298 * fixincl/inclhack.sh: regen
3299 * fixincl/fixincl.x: regen
3300 * fixincl/fixincl.c: Remove BOGOSITY code
3301 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3303 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3305 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3307 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3308 when calling MEM_COPY_ATTRIBUTES.
3309 * emit-rtl.c (operand_subword, change_address): Likewise.
3310 * explow.c (stabilize): Likewise.
3311 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3312 * integrate.c (copy_rtx_and_substitute): Likewise.
3313 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3314 when calling MEM_COPY_ATTRIBUTES.
3315 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3317 * cse.c (gen_lowpart_if_possible): Likewise.
3318 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3319 * optabs.c (gen_move_insn): Likewise.
3320 * recog.c (validate_replace_rtx_1): Likewise.
3321 * simplify-rtx.c (add_mem_for_addr): Likewise.
3322 * stmt.c (expand_anon_union_decl): Likewise.
3323 * config/arm/arm.md: Likewise.
3324 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3325 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3326 (block_move_no_loop, block_move_sequence): Likewise.
3327 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3328 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3329 Clear MEM_ALIAS_SET.
3330 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3331 MEM_COPY_ATTRIBUTES.
3333 2000-05-03 Robert Lipe <robertlipe@usa.net>
3335 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3336 to suppress libgcc1.
3337 (i[34567]86-*-sco3.2v5*) Likewise.
3338 (i[34567]86-*-sco3.2v4*) Likewise.
3339 (i[34567]86-*-sco) Likewise.
3340 (i[34567]86-*-solaris2) Likewise.
3341 (i[34567]86-*-sysv5*) Likewise.
3342 (i[34567]86-*-sysv4*) Likewise.
3343 (i[34567]86-*-udk*) Likewise.
3344 (i[34567]86-*-sysv*) Likewise.
3346 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3348 * cpphash.h (U): New define, to correct type of string constants.
3349 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3350 routines, to do casts when passing unsigned strings to libc.
3351 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3353 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3354 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3355 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3356 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3357 second argument an U_CHAR *.
3359 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3360 length field, clean up initializer.
3361 (ISTABLE): Add __extension__ to designated-
3362 initializers version.
3363 * cpplex.c (CHARTAB): Likewise.
3365 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3366 case so the file won't be empty.
3368 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3370 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3371 (REORDER_BLOCK_SUCC): Removed.
3372 (enum reorder_skip_type): Removed.
3373 (skip_insns_between_block): Renamed to skip_insns_after_block.
3374 Removed second argument. Removed dead code and cleaned up.
3375 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3376 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3377 second parameter to skip_insns_after_block.
3379 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3381 * tree.c (staticp, case LABEL_DECL): New case.
3383 2000-05-03 Richard Henderson <rth@cygnus.com>
3385 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3387 * mklibgcc1.in: Fix typo last change.
3389 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3391 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3392 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3393 (GCC_CFLAGS): Use it.
3394 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3395 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3396 objc/Make-lang.in: Use it.
3398 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3400 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3402 2000-05-03 Richard Henderson <rth@cygnus.com>
3404 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3405 LIBGCC1 empty with libgcc1.null.
3407 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3409 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3412 2000-05-03 Greg McGary <gkm@gnu.org>
3414 * tree.h (tree_common): Add bounded_flag member. Remove
3415 inaccurate comment about number of remaining bits.
3416 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3417 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3418 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3419 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3420 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3421 (TYPE_QUAL_BOUNDED): New constant.
3422 (TYPE_QUALS): Handle bounded qualifier.
3423 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3424 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3425 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3426 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3427 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3428 (tree_type): Add pointer_depth member. Remove
3429 inaccurate comment about number of remaining bits.
3430 (DECL_POINTER_DEPTH): Add macro.
3431 (tree_decl): Add pointer_depth member.
3433 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3435 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3436 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3437 (lshrhi3_out): Likewise.
3438 (ashrsi3_out): bugfix in shift by 8.
3439 (test_hard_reg_class): New function.
3440 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3441 (ashlhi3): removed define_expand of this pattern.
3442 (*ashlhi3_insn): renamed to ashlhi3.
3443 (ashlsi3): removed define_expand of this pattern.
3444 (*ashlsi3_insn): renamed to ashlsi3.
3445 (ashrqi3): removed define_expand of this pattern.
3446 (*ashrqi3_insn): renamed to ashrqi3.
3447 (ashrhi3): removed define_expand of this pattern.
3448 (*ashrhi3_insn): renamed to ashrhi3.
3449 (ashrsi3): removed define_expand of this pattern.
3450 (*ashrsi3_insn): renamed to ashrsi3.
3451 (lshrhi3): removed define_expand of this pattern.
3452 (*lshrhi3_insn): renamed to lshrhi3.
3453 (lshrsi3): removed define_expand of this pattern.
3454 (*lshrsi3_insn): renamed to lshrsi3.
3456 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3458 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3459 inclusion of "system.h".
3461 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3463 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3466 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3468 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3469 if -mauto-pic is on.
3470 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3471 -mconstant-gp is in effect and function-descriptors are being used
3472 to make indirect calls.
3473 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3474 (MASK_AUTO_PIC): Ditto.
3475 (TARGET_CONST_GP): Ditto.
3476 (TARGET_AUTO_PIC): Ditto.
3477 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3478 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3479 -mno-pic is in effect.
3480 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3481 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3482 -mauto-pic is in effect.
3483 (gprel64_offset): New pattern.
3484 (load_gprel64): Ditto.
3485 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3486 -mconstant-gp is in effect, no need to preserve gp around direct
3488 (call_value): Ditto.
3489 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3490 (FUNCTION_PROFILER): Define.
3491 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3492 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3493 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3495 2000-05-03 Richard Henderson <rth@cygnus.com>
3497 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3498 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3499 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3500 (mklibgcc, libgcc.mk): New targets.
3501 (libgcc.a): Use libgcc.mk.
3502 (stmp-multilib): Likewise.
3503 (stmp-multilib-sub): Remove.
3504 (mostlyclean): Don't delete libgcc2 temp files.
3505 * configure.in (AC_PROG_CC_C_O): Add.
3506 (NO_MINUS_C_MINUS_O): Substitute it.
3507 (all_outputs): Add mklibgcc.
3508 * mklibgcc.in: New file.
3510 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3512 * cppexp.c (op_t): Make an int.
3514 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3516 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3518 * gensupport.c (process_rtx): Fix macros used.
3520 2000-05-03 Richard Henderson <rth@cygnus.com>
3522 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3523 call-clobbered registers of a call.
3525 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3527 * gensupport.c: New file.
3528 * gensupport.h: New file.
3529 * Makefile.in (HOST_RTL): Depend on gensupport.
3530 (gensupport.o) New rule.
3531 * genattr.c: Use gensupport for reading .md files.
3532 * genattrtab.c: Ditto.
3533 * gencodes.c: Ditto.
3534 * genconfig.c: Ditto.
3536 * genextract.c: Ditto.
3537 * genflags.c: Ditto.
3538 * genopinit.c: Ditto.
3539 * genoutput.c: Ditto.
3541 * genrecog.c: Ditto.
3542 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3543 * md.texi (Insn Splitting): Document define_insn_and_split.
3545 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3547 * flow.c (verify_flow_info): Added two more sanity checks. The
3548 first checks that the blocks are numbered consecutively. The second
3549 checks that n_basic_blocks is actually equal to the number of
3550 basic blocks in the insn chain.
3552 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3554 * cpplib.h: Add accessor macros for token lists.
3555 * cpplib.c, cpphash.c, cpplex.c: Use them.
3557 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3559 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3560 memory usage if not in a function.
3561 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3562 return address if static.
3564 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3566 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3567 whether address may trap.
3569 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3571 * bb-reorder (chain_reorder_blocks): Changed code to test for
3572 EDGE_FALLTHRU rather than making erroneous assumption that the
3573 first outgoing edge is the fall-through edge.
3575 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3577 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3578 ABI for varargs, across all MIPS. This is incompatible because the
3579 va_list (__builtin_va_list) structure is different, so a compilation
3580 unit passing a va_list and a compilation unit being passed one, should
3581 both be compiled with the same ABI. (The old structure had two
3582 pointers, now it has three.)
3584 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3586 * bb-reorder.c (struct reorder_block_def): Remove members end,
3587 block_begin, and block_end.
3588 (REORDER_BLOCK_OLD_END): Delete.
3589 (REORDER_BLOCK_BEGIN): Delete.
3590 (REORDER_BLOCK_END): Delete.
3591 (chain_reorder_blocks): Remove dead code.
3593 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3595 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3596 notes as the end of a basic block before deleting.
3598 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3600 * final.c (final_start_function): Fix spelling of "necessary".
3602 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3604 * toplev.c (debug_ignore_block): Return int.
3605 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3606 * toplev.h, dwarf2out.h: Adjust.
3607 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3609 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3610 * toplev.c, final.c, rtl.h: Adjust.
3612 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3614 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3615 * configure.in: Look for makeinfo in the unified tree, then
3616 for a system makeinfo which is sufficiently new.
3617 * Makefile.in: If configure says makeinfo is too old, don't
3618 build or install Info documentation.
3620 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3622 * cpphash.c (collect_params): Fix off-by-one error.
3623 (dump_hash_helper): Dump all four macro nodetypes.
3625 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3627 * cpphash.c (trad_stringify): Adjust p after stringification as
3630 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3632 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3633 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3635 * cppfiles.c (file_cleanup): Delete.
3636 * cpphash.c (macro_cleanup): Delete.
3637 (collect_objlike_expansion, collect_funlike_expansion,
3638 macarg, scan_arguments): Remove CPP_POP case.
3640 * cpplex.c (null_cleanup): Delete.
3641 (cpp_pop_buffer): Do the work that was done in the cleanups
3642 here. Call _cpp_unwind_if_stack from here.
3643 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3644 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3645 stack is the buffer _below_ the one we stacked.
3646 (cpp_get_token): Always pop an exhausted buffer. Return
3647 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3648 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3649 increment the line number.
3650 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3652 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3653 we see CPP_EOF and the top of stack is the buffer _below_ the
3655 * scan-decls.c: Likewise.
3657 2000-05-02 Andrew Haley <aph@cygnus.com>
3659 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3660 where this function is called for the second time on a decl that
3661 has had its section info changed in such a way as to move it out
3663 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3665 2000-05-01 Richard Henderson <rth@cygnus.com>
3667 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3668 the sequence we're moving, not to merge_bb->head.
3670 2000-05-01 Richard Henderson <rth@cygnus.com>
3672 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3673 reference to alpha/t-linux.
3674 (alpha*-*-linux-gnu*): Likewise.
3675 * configure: Rebuild.
3677 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3679 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3682 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3684 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3686 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3689 2000-05-01 Richard Henderson <rth@cygnus.com>
3691 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3692 emit_conditional_move.
3694 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3696 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3697 as the dynamic linker.
3699 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3701 * cppfiles.c (open_include_file): Open file in blocking mode.
3702 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3703 Only exclude block devices and directories.
3705 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3706 static. Allocate the hashnode and its string in the same
3708 (del_HASHNODE): Don't free h->name.
3709 (_cpp_lookup): If there is no entry for this string, create
3710 one, of type T_VOID.
3711 (_cpp_lookup_slot): Delete.
3712 * cpphash.h: Update prototypes.
3714 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3716 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3717 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3718 node here, just fill in the value field properly. "Delete"
3719 entries by setting the value field to T_VOID. Check for
3720 hp->type == T_VOID, not hp == NULL.
3722 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3723 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3726 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3728 * config/mn10300/mn10300.c (print_operand_address): Do not add
3731 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3732 adjusted by less than 256 bytes, use ret regardless of having any
3733 callee-saved register to restore.
3735 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3737 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3739 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3741 * config/i386/djgpp.h (INT_ASM_OP): Define.
3742 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3743 (ASM_WEAKEN_LABEL): Define.
3744 (MASK_BNU210): Define.
3745 (SUBTARGET_SWITCHES): Define.
3746 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3747 (MAKE_DECL_ONE_ONLY): Define.
3748 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3750 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3752 * i386/cygwin.h (INT_ASM_OP): Define.
3754 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3756 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3757 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3759 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3761 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3762 __tmp_reg__ and __zero_reg__ initialization.
3764 2000-04-30 Richard Henderson <rth@cygnus.com>
3766 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3768 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3769 referenced bewteen the condition and the jump. Don't delete
3770 anything but the jump.
3772 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3774 * bb-reorder.c (scope_def): New struct.
3775 (scope_forest_info): New struct.
3776 (struct reorder_block_def): New member "scope".
3777 (REORDER_BLOCK_SCOPE): New macro.
3778 (relate_bbs_with_scopes): New function and prototype.
3779 (make_new_scope): Likewise.
3780 (build_scope_forest): Likewise.
3781 (remove_scope_notes): Likewise.
3782 (insert_intra_1): Likewise.
3783 (insert_intra_bb_scope_notes): Likewise.
3784 (insert_inter_bb_scope_notes): Likewise.
3785 (rebuild_scope_notes): Likewise.
3786 (free_scope_forest_1): Likewise.
3787 (free_scope_forest): Likewise.
3788 (dump_scope_forest): Likewise.
3789 (dump_scope_forest_1): Likewise.
3790 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3791 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3793 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3794 and remove_scope_notes before reordering is done. Added calls to
3795 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3796 after reordering is done.
3798 2000-40-30 Bruce Korb <bkorb@gnu.org>
3800 * fixinc/inclhack.def: Added definitions needed by OSR5,
3801 removed two stale entries (defined away with OLD_CPP).
3802 * fixinc/inclhack.sh: regen
3803 * fixinc/fixincl.x: regen
3805 2000-04-30 Richard Henderson <rth@cygnus.com>
3807 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3808 from the last insn in the sequence.
3810 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3812 * cpplex.c (cpp_idcmp): New function.
3813 * cpplib.h: Prototype it.
3814 * scan_decls.c (scan_decls): Use it to inspect token names.
3815 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3816 the file being run through the preprocessor.
3817 (check_macro_names): Provide length of token to cpp_defined.
3819 * Makefile.in: Remove stale warning message.
3821 * cppfiles.c (redundant_include_p): Provide length of token to
3823 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3824 values are unsigned int.
3825 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3826 (_cpp_lookup_slot): Do not calculate the hash, either.
3827 * cpphash.h: Update prototypes.
3828 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3829 Hashes are unsigned int. Calculate hash here, pass by value
3830 to _cpp_lookup_slot.
3832 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3834 * simplify-rtx.c (check_value_useless): Delete function.
3835 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3837 (cselib_invalidate_regno): Likewise.
3838 (cselib_invalidate_mem_1): Likewise.
3839 (references_value_p): Recognize useless values by the fact that they
3841 (discard_useless_values): Likewise.
3842 (cselib_record_set): This may turn a useless value
3845 2000-04-30 Richard Henderson <rth@cygnus.com>
3847 * config/d30v: New port.
3849 * configure.in (d30v-*): Set fp format.
3850 * configure: Rebuild.
3852 2000-04-30 Richard Henderson <rth@cygnus.com>
3854 * ifcvt.c: New file.
3855 * Makefile.in (OBJS): Add it.
3856 (ifcvt.o): New target.
3857 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3858 and conditional arithmetic.
3859 (find_insert_position): Remove.
3860 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3861 * toplev.c (DFI_ce, DFI_ce2): New.
3862 (dump_file): Add ce and ce2 dumps.
3863 (rest_of_compilation): Run if_convert a couple o times. Set
3864 cse_not_expected after cse2. Don't set no_new_pseudos until
3865 after sched1 or recompute_reg_usage.
3867 2000-04-30 Richard Henderson <rth@cygnus.com>
3869 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3870 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3872 2000-04-30 Richard Henderson <rth@cygnus.com>
3874 * flow.c (struct reg_cond_life_info): New.
3875 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3876 (init_propagate_block_info): Initialize them.
3877 (free_propagate_block_info): Destruct them.
3878 (mark_set_1): Consider conditional life before killing a register.
3879 (mark_regno_cond_dead): New.
3880 (free_reg_cond_life_info): New.
3881 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3882 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3883 (mark_used_reg): Record conditional life.
3885 * haifa-sched.c (schedule_insns): Disable death counting
3886 sanity check for HAVE_conditional_execution.
3888 2000-04-30 Richard Henderson <rth@cygnus.com>
3890 * Makefile.in (TIMEVAR_H): New.
3891 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3892 (timevar.h): Remove rule.
3894 2000-04-29 Richard Henderson <rth@cygnus.com>
3896 * config/alpha/crtend.asm: Use C comments instead of #.
3897 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3899 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3901 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3903 * cpphash.h (enum node_type: Take out T_MCONST.
3904 (union hashval): Move into struct hashnode.
3905 (struct hashnode): Pack tighter. Remove file, line, col
3907 * cpphash.c: Constify most of the macro-definition structures.
3908 (struct definition): Replace by struct object_defn
3909 and struct funct_defn. Put file, line, column information
3910 here. All users updated to match.
3911 (_cpp_create_definition, _cpp_macroexpand): Remove special
3912 case for #define WORD OTHERWORD.
3913 * cpplib.c (do_undef): Remove T_MCONST case.
3915 * cpphash.h: Move struct reflist, struct definition, and the
3916 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3917 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3918 * cpphash.c (_cpp_free_definition): Free data pointed to by
3919 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3920 (_cpp_create_definition, del_HASHNODE): Just call
3921 _cpp_free_definition to clear out a hashnode.
3922 * cpplib.c (do_pragma_poison): Likewise.
3924 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3926 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3927 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3928 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3929 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3930 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3931 REGNO_AM33_P): Redefine in terms of the new macros.
3932 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3933 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3934 STRUCT_VALUE): Likewise.
3935 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3936 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3938 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3940 * regmove.c (struct record_stack_memrefs_data): New.
3941 (record_stack_memrefs): New function.
3942 (combine_stack_adjustments_for_block): Use it.
3944 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3946 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3947 use special_function_p to detect alloca.
3949 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3951 * gcc.texi: Fixes for makeinfo 4.0 --html.
3953 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3955 * pcp.h: Delete file.
3957 2000-04-28 Kazu Hirata <kazu@hxi.com>
3959 * h8300.c (function_epilogue): Clean up flags when the last insn
3960 in a function is a barrier.
3962 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3964 * configure.in (sparc-hal-solaris2*): protect [] glob from
3966 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3967 rather than hard-coded constants in target_cpu_default2.
3968 * configure: Regenerate.
3970 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3972 * tree.c (get_callee_fndecl): Extract the initial value from
3975 2000-04-28 Richard Henderson <rth@cygnus.com>
3977 * varasm.c (record_constant_1): Record the CODE_LABEL when
3978 taking the address of a LABEL_REF.
3980 2000-04-28 Richard Henderson <rth@cygnus.com>
3981 Jan Hubicka <jh@suse.cz>
3983 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3984 adjustment; don't do the stack adjust.
3985 (expand_call): Call compute_argument_block_size right before
3986 allocating the block; update comment; don't do alignment sanity
3987 checking for sibling call; use args_size instead of
3988 unadjusted_args_size before args_size is adjusted. Use
3989 combine_pending_stack_adjustment_and_call to compute stack adjust
3990 for must_preallocate case.
3992 * expr.c (push_block): Remove shadow `temp' in inner scope.
3994 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3996 * toplev.c (rest_of_compilation): Call
3997 note_deferral_of_defined_inline_function even if the function
4000 2000-04-28 Scott Bambrough <scottb@netwinder.org>
4002 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
4004 2000-04-28 Richard Henderson <rth@cygnus.com>
4006 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
4008 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4010 * timevar.c (init_timevar): DeANSIfy function definition.
4012 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4014 * Makefile.in (timevar.o): Depend on flags.h.
4015 * timevar.c (unused_stack_instances): New variable.
4016 (timevar_push): Take a timevar_stack_def from
4017 unused_stack_instances if available.
4018 (timevar_pop): Push the popped timevar_stack_def onto
4019 unused_stack_instances.
4020 (TIMEVAR_ENABLE): New macro.
4021 (timevar_def): Make standalone a 1-bit field. Add field used.
4022 (get_time): Rename parameter to now. Return after clearing it if
4024 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
4025 (timevar_pop): Likewise.
4026 (timevar_stop): Likewise.
4027 (timevar_push): Likewise. Mark the timing variable as used.
4028 (timevar_start): Likewise.
4029 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
4030 timevars that were never used.
4032 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4034 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
4035 always TREE_READONLY.
4037 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
4039 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
4040 for call instruction with mode QImode.
4042 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4044 * Makefile.in (OBJS): Add timevar.o.
4045 (toplev.o): Depend on timevar.h.
4046 (ggc-simple.o): Likewise.
4047 (ggc-page.o): Likewise.
4048 (timevar.o): New rule.
4049 (timevar.h): New rule.
4051 * timevar.h: New file.
4052 * timevar.c: Likewise.
4053 * timevar.def: Likewise.
4055 * toplev.h (gc_time, parse_time, varconst_time): Remove.
4056 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
4058 (TIMEVAR): Remove macro.
4059 (gc_time, parse_time, varconst_time, integration_time, jump_time,
4060 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
4061 flow_time, combine_time, regmove_time, sched_time,
4062 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
4063 sched2_time, dbr_sched_time, reorder_blocks_time,
4064 rename_registers_time, shorten_branch_time, stack_reg_time,
4065 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
4067 (compile_file): Don't initialize time variables. Call
4068 init_timevar and start TV_TOTAL timer. Call timevar_print instead
4069 of many calls to print_time.
4070 (rest_of_compilation): Add timing for reload_cse_regs.
4071 (get_run_time): Removed to timevar.c.
4072 (print_time): Likewise.
4073 (get_run_time): Implement using TV_TOTAL time variable.
4074 (print_time): Get total run time from get_run_time.
4075 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
4076 computing elapsed time explicitly.
4077 * ggc-simple.c (ggc_collect): Likewise.
4078 (gc_time): Remove declaration.
4080 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4082 * calls.c (combine_pending_stack_adjustment_and_call): New function.
4083 (expand_call): Use it.
4085 2000-04-27 Jan Hubicka <jh@suse.cz>
4087 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
4090 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4092 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
4095 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
4097 * function.c (epilogue_done): Pass whole insn to record_insns.
4099 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
4101 * cse.c (CSE_ADDRESS_COST): Remove.
4102 (find_best_addr): Add new parameter "MODE", use address_cost instead
4104 (address_cost): New.
4105 (fold_rtx): Update call of find_best_addr.
4106 * rtl.h (address_cost): Declare.
4107 * loop.c (general_induction_var): Add new parameter "MODE", use
4108 address_cost instead of ADDRESS_COST
4109 (init_loop): Use address_cost instead of ADDRESS_COST.
4110 (check_insn_for_givs): Update call of general_induction_var.
4111 (find_mem_givs): Likewise.
4112 (consec_sets_giv): Likewise.
4113 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
4114 * i386.c (ix86_address_cost): New.
4115 * i386-protos.h (ix86_address_cost): Declare.
4117 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4119 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4122 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4124 * expr.c (store_expr): Use clear_storage instead of direct memset
4127 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4129 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4130 ASHIFT, AND and LABEL_REF.
4132 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4134 * invoke.texi (-foptimize-sibling-calls): Fix.
4136 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4138 * loop.c (load_mems) Don't use hard registers for the hoisting.
4140 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4141 calculation; rename const_equiv array in the preconditioning code
4142 from loop_unroll to loop_unroll_precondition
4144 2000-04-27 Richard Henderson <rth@cygnus.com>
4146 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4148 (propagate_one_insn): Clear it. Don't update reg_live here.
4149 (init_propagate_block_info): Update for pbi member changes.
4150 (free_propagate_block_info): Likewise.
4151 (mark_set_1): Know that zero_extract, sign_extract, and
4152 strict_low_part don't kill their argument. Alter hard subregs.
4153 Update new_set for non-CLOBBER sets. Update reg_live.
4154 (find_auto_inc): Update reg_live, not new_dead.
4155 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4156 to determine if the reg in question was set this insn. Only update
4157 reg info with PROP_REG_INFO.
4159 2000-04-26 Richard Henderson <rth@cygnus.com>
4161 * flow.c (allocate_reg_life_data): Set max_regno here ...
4162 (life_analysis): ... not here.
4164 * flow.c (calculate_global_regs_live): Force stack pointer
4167 2000-04-26 Richard Henderson <rth@cygnus.com>
4169 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
4170 commit change group changes.
4171 (invert_exp_1): Similarly.
4172 (redirect_exp, invert_exp): Use them.
4173 (redirect_jump_1): New.
4174 (invert_jump_1): New.
4175 (jump_optimize_1): Remove code subsumed by condexec.c.
4176 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
4178 2000-04-26 Richard Henderson <rth@cygnus.com>
4180 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
4182 * genconfig.c (main): Set all HAVE_foo to 1.
4184 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4186 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4188 * invoke.texi: Document -fssa flag.
4190 2000-04-26 Richard Henderson <rth@cygnus.com>
4192 * flow.c (count_reg_sets_1): Remove.
4193 (count_reg_sets, count_reg_references): Remove.
4194 (recompute_reg_usage): Implement with update_life_info.
4195 Reallocate life data.
4197 2000-04-26 Richard Henderson <rth@cygnus.com>
4199 * flow.c (update_life_info): Consider blocks null to mean the
4201 (calculate_global_regs_live): Likewise.
4202 (life_analysis): Do that instead of collecting all_blocks.
4204 2000-04-26 Richard Henderson <rth@cygnus.com>
4206 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4207 a still-valid conditional jump.
4209 2000-04-26 Richard Henderson <rth@cygnus.com>
4211 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4213 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4214 * flow.c (calculate_loop_depth): Remove.
4215 * output.h (calculate_loop_depth): Don't declare.
4216 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4217 inline; run estimate_probability at the same time.
4219 2000-04-26 Neil Booth <NeilB@earthling.net>
4221 * cpplib.h: "~=" is not a single pp-token.
4222 * cpplex.c: Correct commentary.
4224 2000-04-26 Richard Henderson <rth@cygnus.com>
4226 * flow.c (mark_set_1): New arguments code and flags; update all
4227 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4228 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4229 loop_depth when optimizing for size. Do new_dead update after
4230 emitting REG_UNUSED notes. Merge mark_set_reg code.
4231 (mark_set_reg): Remove.
4232 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4233 arrange to not emit REG_UNUSED notes.
4235 2000-04-26 Richard Henderson <rth@cygnus.com>
4237 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4238 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4240 2000-04-26 Richard Henderson <rth@cygnus.com>
4242 * flow.c (propagate_one_insn): Break out from propagate_block.
4243 (init_propagate_block_info): Likewise.
4244 (free_propagate_block_info): Likewise.
4245 (propagate_block): Use them. Export.
4246 * basic-block.h: Declare them all.
4248 2000-04-26 Richard Henderson <rth@cygnus.com>
4250 * basic-block.h (life_analysis): Declare here ...
4251 * output.h: ... not here.
4252 * flow.c (life_analysis): Remove nregs parameter; replace
4253 remove_dead_code with flags. Remove ssa dead code check.
4254 Only init alias analysis if we'll use it.
4255 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4256 * ssa.c (convert_to_ssa): Likewise.
4257 (convert_from_ssa): Likewise.
4258 * toplev.c (rest_of_compilation): Likewise.
4260 2000-04-26 Richard Henderson <rth@cygnus.com>
4262 * flow.c (flow_delete_block): Rename from delete_block. Export.
4263 * basic-block.h (flow_delete_block): Declare.
4265 2000-04-26 David S. Miller <davem@redhat.com>
4267 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4268 taking a PATTERN of it.
4270 2000-04-26 <NeilB@earthling.net>
4272 * cpplex.c (spell_other, spell_char): Remove.
4274 (token_spelling, trigraph_map): Use unsigned chars.
4275 (_cpp_lex_line): Tidy up the switch statement.
4276 * cpplib.h: Implement spell_char with spell_string.
4279 2000-04-26 <RodneyBrown@pmsc.com>
4281 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4282 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4284 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4286 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4287 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4288 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4289 dwarf2out_return_save, dwarf2out_return_reg,
4290 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4291 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4292 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4294 * dwarf2out.h (dwarf2out_init): Likewise.
4296 * dwarfout.c (filename_entry, primary_filename, last_filename,
4297 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4299 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4300 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4301 dwarf2out_return_reg): Likewise.
4303 2000-04-26 Andreas Jaeger <aj@suse.de>
4305 * extend.texi (Function Attributes): Fix description of pure
4308 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4310 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4311 before calling rest_of_compilation.
4313 2000-04-26 Andreas Jaeger <aj@suse.de>
4315 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4318 2000-04-25 Richard Henderson <rth@cygnus.com>
4320 * cse.c (cse_insn): Emit barrier after unconditional jump.
4322 * calls.c (expand_call): Disable tail call generation once
4323 rtx_equal_function_value_matters is false.
4325 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4328 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4330 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4332 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4334 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4335 is the primary DIE for a member function.
4336 (gen_decl_die): Call set_decl_origin_self here.
4337 * dwarfout.c (output_decl): And here.
4338 * integrate.c (output_inline_function): Not here.
4339 Don't clear DECL_INLINE until after calling rest_of_compilation.
4340 (set_decl_origin_self): No longer static.
4341 * tree.h: Add prototype.
4342 * toplev.c (note_deferral_of_defined_inline_function): Only write
4343 out abstract instance for actual inlines.
4345 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4347 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4348 EXTENDED_REGS only if TARGET_AM33.
4349 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4350 SP_REGS to register allocation and reloading unless absolutely
4352 (movsi3): Remove special-case of adding non-constants to SP.
4354 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4356 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4357 INCLUDES to search and does not provide any of its own. Also it
4358 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4359 parameters. Also it does not call AC_DEFINE.
4360 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4361 AC_DEFINE and provides for automatic entries for autoheader.
4362 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4364 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4365 so we can pass -I flags and include gansidecl.h/system.h in this
4368 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4370 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4372 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4373 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4374 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4376 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4377 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4378 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4379 for these macros. Clean up spacing and linewraps.
4381 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4383 * calls.c (expand_call): Use get_callee_fndecl.
4385 * print-tree.c (print_node): Print the chain of an _EXPR.
4387 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4388 Jim Wilson <wilson@cygnus.com>
4389 Andrew Haley <aph@cygnus.com>
4391 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4392 and gp save/restore problems.
4393 * config/ia64/crtend.asm: Add IA-64 unwind support.
4394 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4395 in fr_pad_size calculation.
4396 (save_restore_insns): Move PR save area. Correct uses of
4397 RTX_FRAME_RELATED_P.
4398 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4399 (ia64_expand_epilogue): Add eh_epilogue support.
4400 (ia64_function_prologue): Emit .prologue directive.
4401 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4402 (ia64_override_options): Set init_machine_status and
4403 mark_machine_status.
4404 (rtx_needs_barrier): Handle bsp reads and writes.
4405 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4406 New static variables.
4407 (process_set, process_for_unwind_directive): New functions.
4408 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4409 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4410 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4412 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4413 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4414 (struct machine_function): Define.
4415 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4417 2000-04-25 Bruce Korb <bkorb@gnu.org>
4419 * fixinc/Makefile.in: make the removal of old programs more
4421 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4422 install-bin and install-sh
4424 2000-04-25 Nick Clifton <nickc@cygnus.com>
4426 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4427 defined, define to return zero.
4428 (function_cannot_inline_p): If a function has any target
4429 specific attributes, then use the macro
4430 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4431 whether it can be inlined. If it cannot, issue a suitable
4434 * tm.texi: Add a new node 'Inlining' to document the new macro
4435 FUNCTION_ATTRIBUTE_INLINABLE_P.
4437 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4439 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4442 2000-04-25 Neil Booth <NeilB@earthling.net>
4444 Restore previous patch, plus the following fixes:
4446 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4447 flags, not CPP_OPEN_PAREN.
4448 * cpplex.c (expand_token_space, init_token_list,
4449 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4450 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4452 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4454 * config/i386/freebsd.h (INT_ASM_OP): Define.
4456 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4458 * loop.c (strength_reduce): Fix typo in the last checkin.
4460 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4462 * stor-layout.c (finalize_record_size): Simplify to use existing
4464 (compute_record_mode): No longer static.
4465 * tree.h (compute_record_mode): New declaration.
4467 2000-04-25 Neil Booth <NeilB@earthling.net>
4469 * Revert my patch below until cause of build failures
4472 2000-04-25 Richard Henderson <rth@cygnus.com>
4474 * combine.c (combine_instructions): Add missing argument
4477 * toplev.c (rest_of_compilation): Delay sibcall optimization
4478 until after emit_eh_context.
4480 2000-04-24 Nick Clifton <nickc@redhat.com>
4482 * combine.c (combine_instructions): Do not try to combine a
4483 sequence of insns when the second insn has been replaced by a
4486 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4488 * gcc.c (load_specs): New static function.
4489 (read_specs): Use it.
4491 * gcc.c (lookup_compiler): Make multiple passes for case
4492 insensitive filesystems.
4494 2000-04-24 Neil Booth <NeilB@earthling.net>
4496 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4497 * cpphash.h (_cpp_check_directive): new.
4498 * cpplex.c (handle_newline, cpp_free_token_list,
4499 init_trigraph_map, trigraph_ok, trigraph_replace,
4500 backslash_start, skip_block_comment, skip_line_comment,
4501 skip_whitespace, parse_name, parse_number, parse_string,
4502 copy_comment, _cpp_lex_line, spell_char, spell_string,
4503 spell_comment, spell_name, spell_other, _cpp_lex_file,
4504 _cpp_output_list): new.
4505 (expand_name_space): take length argument.
4506 (init_token_list): add comment list initialisation.
4507 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4508 instead of HSPACE_BEFORE.
4510 * cpplib.c (_cpp_check_directive): new
4511 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4512 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4513 (HSPACE_BEFORE): delete.
4514 (TTYPE_TABLE): rearrange.
4515 (struct cpp_toklist): update.
4517 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4519 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4520 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4521 argument form of AC_DEFINE.
4523 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4524 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4525 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4526 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4527 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4529 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4531 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4533 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4534 deduced.h): Use -isystem, not -I, for including system headers.
4536 2000-04-24 Nick Clifton <nickc@cygnus.com>
4538 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4539 the source register is the frame pointer or arg pointer.
4540 (addsi3_small_int): Disallow if source register is the frame
4541 pointer or arg pointer.
4543 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4545 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4546 call to AC_MSG_RESULT.
4548 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4550 * invoke.texi: Correct grammatical errors, document
4551 -fno-gnu-keywords as identical to -fno-asm for C++.
4553 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4555 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4556 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4557 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4558 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4559 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4561 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4562 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4563 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4564 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4567 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4569 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4570 (pop_alignment): Likewise.
4571 (handle_pragma_token): Likewise.
4573 2000-04-24 Robert Lipe <robertlipe@usa.net>
4575 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4577 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4579 * combine.c (try_combine): Update reg_nonzero_bits of
4580 newi2pat before newpat.
4582 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4584 * loop.c (strength_reduce): Simplify test to INSN_P.
4585 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4586 expressions instead of CONST_INT.
4587 (express_from_1): Likewise.
4589 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4591 * regs.h (reg_n_max): Don't declare.
4592 * flow.c (reg_n_max): Don't define.
4593 * regclass.c (renumber): Don't initialize to zero.
4594 (regno_allocated): Likewise.
4595 (reg_n_max): Define.
4596 (allocate_reg_info): Don't initialize unnecessarily.
4598 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4600 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4601 and blockage_p in the newly allocated attribute.
4603 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4605 * config/mn10300/mn10300.md (addsi): `inc4' on address
4606 registers does not modify cc, but `inc' on an extended
4609 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4611 * reload.c (find_equiv_reg): Checks all valueno regs
4612 as a reload_reg_p regs.
4614 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4616 * cpphash.c (collect_objlike_expansion): Add sanity check.
4617 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4618 the buffer is the empty string, return. Mark __DATE__ and
4619 __TIME__ as XCONST nodes, not MCONST.
4620 (_cpp_macroexpand): Avoid pushing an empty buffer.
4621 (funlike_macroexpand): Don't pop token_buffer here.
4623 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4625 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4626 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4627 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4628 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4629 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4630 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4631 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4633 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4635 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4638 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4640 * cpphash.h (struct definition): Move file, line, col members...
4641 (struct hashnode): ... here. Also add 'disabled' flag.
4642 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4643 T_IDENTITY. Remove T_DISABLED.
4646 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4647 (collect_expansion): Split into collect_objlike_expansion and
4648 collect_funlike_expansion.
4649 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4650 funlike_macroexpand.
4651 (_cpp_compare_defs): Rename compare_defs, make static.
4652 (_cpp_make_hashnode): Initialize hp->disabled.
4653 (macro_cleanup): Adjust for new token types. Clear
4655 (_cpp_create_definition): Move code here to determine what
4656 sort of macro it is, and code to check for redefinitions, from
4657 do_define. Implement a few simple cases without creating a
4659 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4660 Handle the simple cases.
4661 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4664 * cppinit.c (builtin_array): Change MCONST to XCONST
4666 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4667 fix check for disabled and function-like macros.
4668 * cpplib.c (do_define): Move most logic to
4669 _cpp_create_definition.
4670 (do_undef): Handle new special token types.
4672 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4674 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4675 of CONSTANT_P for mult_val; always use validate_change to update insn.
4677 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4679 * cpphash.c (trad_stringify, add_pat): New functions.
4680 (collect_expansion): Restore support for -traditional syntax.
4681 Use trad_stringify and add_pat.
4682 (_cpp_macroexpand): Restore support for -traditional semantics.
4683 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4684 get a COMMENT token.
4685 (_cpp_lex_token): Provide COMMENT tokens to caller if
4686 traditional and parsing_define_directive.
4687 (skip_comment): Warn about // comments if -Wtraditional.
4688 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4690 (do_undef): Don't warn about undefining EMPTY nodes.
4692 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4694 * loop.c (strength_reduce): Fix biv removal code.
4696 2000-04-22 Richard Henderson <rth@cygnus.com>
4698 * predict.c (estimate_probability): Examine both sides of
4699 a branch for no exits. Use 90% not 50% for predict taken.
4700 Reorg for one copy of note generation code.
4702 2000-04-22 Richard Henderson <rth@cygnus.com>
4704 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4706 2000-04-22 Richard Henderson <rth@cygnus.com>
4708 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4709 (output_clear): Likewise.
4710 (output_printf): Use va_copy.
4711 (vline_wrapper_message_with_location): Likewise.
4712 (v_message_with_decl): Likewise.
4713 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4714 * system.h (va_copy): Provide default implementation.
4716 2000-04-22 Richard Henderson <rth@cygnus.com>
4718 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4719 the collected condition is not a constant.
4721 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4723 * diagnostic.h: New file.
4725 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4727 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4728 various function prototypes.
4729 (diagnostic.h): #include.
4730 (struct output_buffer): Move into diagnostic.h.
4731 (get_output_prefix): Rename to output_get_prefix. Export.
4732 (init_output_buffer): Export. Break out. Ajust intialization.
4733 (output_space_left, output_append): Export.
4734 (output_newline): Rename to output_add_newline. Export.
4735 (output_clear): Nullify additional output_buffer fields.
4736 (output_puts): Rename to output_add_string. Export.
4737 (dump_output): Rename to output_flush_on. Export.
4738 (build_location_prefix): Constify return-type.
4739 (emit_output_prefix): Rename to output_emit_prefix. Export.
4740 (set_real_maximum_length): New function.
4741 (output_set_maximum_length): Ditto
4742 (output_clear): Ditto.
4743 (output_add_character): Ditto.
4744 (output_add_integer): Ditto.
4745 (output_add_space): Ditto.
4746 (output_format): Ditto.
4747 (output_printf): Adjust buffer initialization.
4748 (vline_wrapper_message_with_location): Ditto.
4749 (v_message_with_decl): Ditto. Adjust call to output_puts
4750 and get_output_prefix.
4751 (default_print_error_function): Adjust buffer intialization.
4753 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4755 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4758 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4760 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4763 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4765 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4766 accurate data about SP moves.
4768 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4770 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4771 aliases to AM33 registers.
4773 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4775 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4776 to all EXTENDED bitmaps.
4778 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4780 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4781 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4782 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4784 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4786 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4787 the operand is not constant.
4789 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4791 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4792 as a call-clobbered regs.
4794 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4796 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4798 * rtl.def: Update comment.
4799 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4800 * integrate.c (expand_inline_function): Likewise.
4801 * profile.c (branch_prob): Likewise.
4802 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4803 * print-rtl.c (print_rtx): Likewise.
4804 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4805 (reemit_notes): Likewise; also use enum insn_note.
4807 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4808 (place_field): Properly compute know and actual alignment.
4810 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4813 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4816 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4818 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4819 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4820 (collect_expansion): Rewrite to scan over a token list.
4821 Remove -traditional support.
4822 (collect_formal_parameters): Rename to collect_params; rewrite
4823 to scan over a token list.
4824 (_cpp_create_definition): Adjust to scan a token list.
4825 (_cpp_macroexpand): Remove -traditional support.
4826 (_cpp_compare_defs): Whitespace is now canonicalized.
4827 (comp_def_part): Delete function.
4829 * cpphash.h: Update prototypes.
4830 * cpplex.c (init_token_list): Don't set lineno if there is no
4832 (pedantic_whitespace): New function.
4833 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4834 consume a newline. Use pedantic_whitespace.
4835 (_cpp_lex_token): Remove support for -traditional macros.
4836 (_cpp_get_define_token): Delete.
4837 (_cpp_get_directive_token): Do the real work here. Use
4838 pedantic_whitespace.
4839 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4841 * cpplib.c (get_macro_name): Delete.
4842 (do_define): Read the entire line into pfile->directbuf, then
4843 feed the token list to _cpp_create_definition.
4844 * cpplib.h (HSPACE_BEFORE): new define.
4845 (struct cpp_reader): Add a toklist member, "directbuf".
4847 * predict.c (estimate_probability): New heuristic: if a jump
4848 branches around a block with no successors, predict it taken.
4849 Disentangle control flow.
4851 2000-04-20 Richard Henderson <rth@cygnus.com>
4853 * loop.c (emit_iv_add_mult): Revert last change.
4855 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4857 * cpplib.h (enum cpp_ttype): Add token types for all
4858 punctuators. Distinguish pp-numbers from valid C numbers.
4859 Give some tokens better names. Initialize from macro.
4860 (struct cpp_name, cpp_token, cpp_toklist): New data
4863 * cpplex.c (bump_column, expand_name_space,
4864 expand_token_space, init_token_list, cpp_output_list,
4865 _cpp_scan_line): New functions.
4866 (output_line_command): Add third argument, new line number.
4867 * cpphash.h: Update prototypes.
4868 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4871 2000-04-20 Richard Henderson <rth@cygnus.com>
4873 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4875 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4877 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4880 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4882 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4883 REG_EQUAL note explaining the calculated value.
4885 * calls.c (expand_call): Avoid unnecesary precalculation
4886 and outgoing parameters space guarding for sibling calls.
4887 (store_one_arg): Likewise.
4889 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4891 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4892 (rest_of_compilation): Write sibling dump file and account
4893 for time as jump time.
4894 * invoke.texi: Update documentation on dump flags.
4896 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4898 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4900 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4902 * cpphash.c (special_symbol): Represent an empty macro with
4903 "\r \r " not just "\r ".
4904 (_cpp_macroexpand): Correct condition for the foo ( ) special
4906 (unsafe_chars): Handle EOF as second argument.
4907 (push_macro_expansion): Simplify test for removing escape at
4908 end. Do not trim both escapes if there is no text in between.
4910 2000-04-19 Jim Blandy <jimb@redhat.com>
4912 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4913 of PTR_SIZE, when appropriate.
4915 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4917 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4918 (USE_ENUM_BITFIELDS): Fix typo.
4920 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4922 * stor-layout.c (place_field): Set rli->offset_align properly.
4924 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4926 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4927 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4928 PARM_BOUNDARY): Remove unnecessary casts.
4930 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4932 * calls.c (precompute_arguments): Remove must_preallocate and
4934 (expand_call): Update call of precompute_arguments.
4936 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4937 check_insn_for_givs): Break out from ...
4938 (strength_reduce) ... here; use for_every_insn_in_loop to call
4939 check_insn_for_givs.
4940 * loop.h (for_every_insn_in_loop): Declare.
4941 (loop_insn_callback): New type.
4943 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4945 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4948 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4950 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4953 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4955 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4957 * configure.in: Delete --disable-cpplib option and all
4958 references to cpp_main.
4959 * configure: Regenerate.
4960 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4961 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4962 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4963 cpp$(exeext). Add --no-headers to makeinfo command line when
4964 generating INSTALL. Install and uninstall cpp.1 manpage, not
4966 * install.texi: Delete all references to cexp.y/cexp.c.
4967 Delete ancient instructions for compiling GCC on 3b1.
4968 * INSTALL: Regenerate.
4970 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4971 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4972 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4974 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4975 which is no longer tested anywhere.
4977 * cppinit.c (handle_option): Don't run error message through
4980 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4982 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4983 * cpperror.c (hashtab.h): Now include.
4984 * cppexp.c (hashtab.h): Likewise.
4985 * cpplex.c (hashtab.h): Likewise.
4986 * cppfiles.c (hashtab.h): Likewise.
4987 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4988 to htab_find_slot_with_hash.
4989 * cpphash.c (hashtab.h): Now include.
4990 (_cpp_lookup_slot): INSERT is now enum insert_option.
4991 * cpphash.h (_cpp_lookup_slot): Likewise.
4992 * cppinit.c (hashtab.h): Include earlier.
4993 (initialize_builtins): Pass enum to htab_find_slot.
4994 * cpplib.c (hashtab.h): Now include.
4995 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4996 (do_pragma_poison, do_assert): Likewise.
4997 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4998 htab_find_slot_with_hash.
4999 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
5000 * tree.c (type_hash_add): Likewise.
5001 (build1): Minor cleanup.
5003 * ggc-common.c: Add missing blanks.
5004 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
5005 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
5007 * stmt.c (mark_case_node): New function.
5008 (mark_case_nesting): Call it.
5010 * expmed.c (emit_store_flag): If comparing two-word integer
5011 with zero, can optimize NE, EQ, GE, and LT.
5013 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
5014 * conflict.c: Minor cleanups.
5015 * optabs.c: Add blank line
5016 * simplify-rtx.c: Minor cleanups.
5018 2000-04-18 Stan Cox <scox@cygnus.com>
5020 * gengenrtl.c (genlegend): Fix misspelling.
5022 2000-04-18 Robert Lipe <robertlipe@usa.net>
5024 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
5025 bitfields of the host compiler are not signed quantities.
5026 * config.in: Regenerate.
5027 * configure: Regenerate.
5028 * system.h (USE_ENUM_BITFIELDS): Added.
5029 (ENUM_BITFIELDS): Added.
5030 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
5031 (SHORT_ENUM_BUG): Deleted.
5032 * tree.h (tree_common): Members `code', `mode', `built_in_class',
5034 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
5035 (CODE_FIELD_BUG): Likewise.
5036 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
5038 * config/m68k/x-ccur (X_CFLAGS): Likewise.
5040 2000-04-18 Mark Mitchell <mark@codesourcery.com>
5042 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
5045 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5047 * cppexp.c (lex): Don't assume tokens are NUL terminated.
5048 * cpplib.c (do_include, do_import, do_include_next,
5049 read_line_number, detect_if_not_defined): Likewise.
5050 * cpphash.c (collect_expansion): Likewise.
5051 (special_symbol, _cpp_macroexpand): Check return from
5053 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
5054 macros. Delete all uses.
5056 * gcc.dg/cpp-mi.c: Add two more test cases.
5057 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
5059 2000-04-17 Richard Henderson <rth@cygnus.com>
5061 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
5062 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
5064 2000-04-17 Mark Mitchell <mark@codesourcery.com>
5066 * function.c (expand_function_start): Use hard_function_value to
5067 compute the RTL to use for DECL_RESULT.
5069 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5071 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
5072 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5073 x86_memory_mismatch_stall): New global variables.
5074 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
5075 alloved; fix load penalties for Athlon.
5076 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5077 x86_memory_mismatch_stall): Declare.
5078 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
5079 TARGET_MEMORY_MISMATCH_STALL): New.
5080 * i386.md (athlon scheduling parameters): Fix latencies according to
5081 Athlon Optimization Manual.
5082 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
5084 (fsqrt instruction patterns): Set athlon_decode to direct.
5085 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
5086 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
5087 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
5088 and TARGET_PARTIAL_REGISTER_STALL machines.
5089 (pushdf_nointeger): New pattern.
5090 (pushdf_integer): Rename from pushdf.
5091 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
5092 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
5094 2000-04-17 Richard Henderson <rth@cygnus.com>
5096 * loop.c (canonicalize_condition): Add WANT_REG argument.
5097 Stop the search if we match it.
5098 * expr.h (canonicalize_condition): Update decl.
5099 * predict.c (expected_value_to_br_prob): Use it. Track last
5100 expected value note.
5101 (find_expected_value): Remove.
5103 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
5105 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5107 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
5108 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
5110 * configure.in: Call AC_FUNC_MMAP_FILE.
5111 * configure: Regenerate.
5112 * config.in: Regenerate.
5114 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
5115 * fixinc/fixincl.c: Likewise.
5117 2000-04-17 Richard Henderson <rth@cygnus.com>
5119 * builtins.c (expand_builtin_expect): New.
5120 (expand_builtin): Call it.
5121 * builtins.def (BUILT_IN_EXPECT): New.
5122 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5123 * extend.texi: Document it.
5125 * predict.c (expected_value_to_br_prob): New.
5126 (find_expected_value): New.
5127 * basic-block.h (expected_value_to_br_prob): Declare.
5128 * toplev.c (rest_of_compilation): Invoke it.
5130 * rtl.h (NOTE_EXPECTED_VALUE): New.
5131 (NOTE_INSN_EXPECTED_VALUE): New.
5132 * rtl.c (note_insn_name): Update.
5133 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5134 cases; handle NOTE_INSN_EXPECTED_VALUE.
5136 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5138 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5139 leaf sibcall delay slot if flag_pic.
5140 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5142 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5144 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5146 * fixproto: If fix-header fails, exit with an error.
5148 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5150 * cse.c (struct check_depdendence_data): New.
5151 (check_dependence): New function.
5152 (invalidate): Use check_depdenence.
5154 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5156 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5157 UNITS_PER_WORD is unsigned.
5159 * tree.h (struct tree_common): Remove misleading comment.
5161 2000-04-16 Dave Pitts <dpitts@cozx.com>
5163 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
5164 message in quotes. Otherwise, IBM's make program treats the '#' as the
5165 start of a comment and ignores the remainder of the line.
5167 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
5169 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
5170 * cexp.y (initialize_random_junk): Likewise.
5171 * cppfiles.c (find_include_file): Cast alloca return value.
5172 * cppinit.c (initialize_standard_includes): Likewise.
5173 * cpplib.c (cpp_define, cpp_undef): Likewise.
5174 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
5175 * final.c (output_asm_insn): Allow for holes in EBCDIC.
5176 * fold-const.c (CHARMASK): New.
5177 (real_hex_to_f): Use it.
5178 * real.c (CHARMASK): New.
5179 (etoasc, asctoeg): Use it.
5180 (asctoeg): EBCDIC lower case characters preceed upper case.
5182 * i370.c (mvs_add_label): Change spacing for coding conventions.
5183 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5184 outputing case vectors.
5185 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5186 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5187 since vector in in the data CSECT.
5188 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5189 * i370.md (Many patterns): Put the length in the XL directives.
5190 (movdi): Put back STM and MVC in definition.
5191 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5192 pattern using the TCA.
5193 * oe.h (CPP_SPEC): Added to allow trigraphs.
5194 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5195 not support the "long long" type.
5197 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5199 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5201 (mips_reg_mode_ok_for_base_p): Likewise.
5202 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5203 (REG_OK_FOR_INDEX_P): Define unconditionally.
5204 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5205 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5206 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5207 that GET_MODE_SIZE is unsigned.
5208 (mips_reg_mode_ok_for_base_p): Define.
5209 (mips_legitimate_address_p): Likewise. Adjust now
5210 that GET_MODE_SIZE is unsigned.
5211 (block_move_loop): Make the number of bytes unsigned.
5212 (expand_block_move): Likewise.
5213 (function_arg): Make the loop counter unsigned to match the
5216 2000-04-16 Richard Henderson <rth@cygnus.com>
5218 * rtl.h (enum insn_note): New enumeration. Subsume
5219 NOTE_INSN_DELETED and friends.
5220 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5221 * rtl.c (note_insn_name): Tweak string order.
5223 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5225 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5228 * cpplex.c (output_line_command): Remove debugging prints.
5229 (cpp_output_tokens): Don't write out a zero-length buffer or
5230 try to see if it has a newline in it.
5231 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5232 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5233 the end of the loop. Use memmove. Don't read past the end of
5234 the buffer. Remove trailing newlines from error messages.
5236 2004-04-16 Neil Booth <NeilB@earthling.net>
5238 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5239 * cpplib.c: Add new syntax flags to directive table, and
5242 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5244 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5247 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5249 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5250 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5252 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5254 * Makefile.in (ggc-page.o): Now includes toplev.h.
5255 * ggc-page.c (toplev.h): Now included.
5256 (gc_time): Remove declaration.
5257 (ggc_collect): TIME now long.
5258 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5260 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5262 * toplev.c: Make *_time variable long to reduce chance of overflow.
5263 (TIMEVAR): Likewise for `otime'.
5264 (print_time): Arg is now long; compute percentage in FP and round.
5265 * toplev.h (print_time): Arg is long.
5267 * tree.c: Minor whitespace changes.
5269 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5270 * configure: Rebuilt.
5271 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5272 (__fixunsxfDI): Renamed from __fixunsxfdi.
5273 (__fixunsdfDI): Renamed from __fixunsdfdi.
5274 (__fixunssfDI): Renamed from __fixunssfdi.
5275 (__floatdisf): Use proper type in REP_BIT macro.
5276 (__fixunsxfSI): Renamed from __fixunsxfsi.
5277 (__fixunsdfSI): Renamed from __fixunsdfsi.
5278 (__fixunssfSI): Renamed from __fixunssfsi.
5279 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5280 Change location of macros and upper-case some names as above.
5281 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5282 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5284 * varasm.c (assemble_variable): Add cast to remove warning.
5285 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5287 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5288 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5289 region number to -1.
5291 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5293 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5294 call unshare_all_rtl.
5296 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5298 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5300 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5301 Use .s1 not .s0 for all FP instructions.
5303 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5305 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5307 (safe_fwrite, output_line_command): New static functions.
5308 (cpp_expand_to_buffer): Now private to cpplib.
5309 (cpp_scan_buffer): Take a printer.
5311 * cpphash.h: Update prototypes.
5312 * cpplib.h: Update prototypes.
5314 (cpp_buffer): Remove last_nominal_fname.
5315 (cpp_reader): Remove lineno.
5317 * cppmain.c: Use a cpp_printer.
5318 * fix-header.c: No need to inhibit line commands. Call
5319 cpp_start_read with no printer.
5321 * cpperror.c (cpp_notice_from_errno): Provide default name.
5322 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5323 (find_include_file, cpp_read_file): Use make_IHASH.
5324 (file_cleanup): Set control_macro and clear
5325 input_stack_listing_current here.
5326 (_cpp_execute_include): Don't output entering-file marker.
5327 * cpphash.c (special_symbol): Look for the line number in the
5328 buffer, not the reader.
5329 (_cpp_macroexpand): No need to disable line commands.
5330 (_cpp_dump_definition): No need to generate line commands.
5331 (dump_hash_helper): Remove excess newline from output.
5332 * cppinit.c (dump_special_to_buffer): No need to generate line
5334 (cpp_printer_init): New.
5335 (cpp_start_read): Take a printer, and start it up if it's not
5336 NULL. No need to generate line commands.
5337 (cpp_finish): Expect no buffers stacked at all. Take a
5338 printer argument, and flush the output buffer if it's not
5340 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5341 Don't put two hashes at the beginning of an assertion.
5342 (cpp_get_token): Don't increment pfile->lineno or emit line
5343 commands here. Return EOF if there's no buffer when we get
5345 * cpplib.c (do_define, skip_if_group):
5346 No need to disable line commands.
5347 (_cpp_output_line_command): Delete function.
5348 (do_line): Don't emit line commands here, but set things up so
5349 they will be emitted if necessary. Use _cpp_fake_ihash to
5350 make unique nominal_fnames if necessary.
5351 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5352 with 0 for column, not -1.
5353 (_cpp_handle_eof): Don't set the control macro here. Don't
5354 clear input_stack_listing_current here. Don't emit line
5357 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5359 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5360 always, use the default SVR4 start address.
5362 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5363 (LINK_SHLIB_SPEC): Define.
5364 (LINK_START_DEFAULT_SPEC): Define.
5365 (LINK_OS_DEFAULT_SPEC): Define.
5367 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5369 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5370 __do_global_ctors to handle constructors.
5371 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5372 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5373 (STARTFILE_MVME_SPEC): Likewise.
5374 (STARTFILE_SIM_SPEC): Likewise.
5375 (ENDFILE_ADS_SPEC): Use crtend.
5376 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5377 (ENDFILE_MVME_SPEC): Likewise.
5378 (ENDFILE_SIM_SPEC): Likewise.
5379 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5380 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5381 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5382 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5383 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5384 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5385 (CRTSTUFF_T_CFLAGS_S): Define.
5386 * config/rs6000/eabi-ctors.c: Delete.
5388 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5391 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5395 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5397 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5398 plus mask size is smaller or equal to the mode size.
5400 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5402 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5405 * expr.c (reload.h): Now included.
5406 (emit_block_move): Set volatile_ok when checking for movstr.
5407 (emit_move_1): Check for replacements in addresses in multi-word case.
5408 * Makefile.in (expr.o): Now includes reload.h.
5410 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5411 Never have a LIBCALL end a basic block.
5412 (find_basic_blocks_1): Likewise.
5413 Reorganize CALL_INSN cases.
5415 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5417 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5419 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5420 completers from mov.ret instruction.
5422 2000-04-14 Richard Henderson <rth@cygnus.com>
5424 * fold-const.c (extract_muldiv): Don't distribute and widen
5425 multiply across plus for non-sizetype unsigned types.
5427 2000-04-14 Richard Henderson <rth@cygnus.com>
5429 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5430 If the original source is dead in the incr insn, it's dead now.
5432 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5434 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5435 see if DECL_BIT_FIELD needs to still be set.
5437 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5439 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5440 print_int_cst_octal with something that's not an INTEGER_CST.
5442 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5443 and not a SUBREG to a FLOAT rtl.
5445 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5447 * emit-rtl.c (try_split): Avoid infinite loop if the split
5448 results in a sequence that contains the original insn.
5450 2000-04-13 Andreas Jaeger <aj@suse.de>
5452 * config/mips/mips.c (expand_block_move): Pass alignment
5453 argument to move_by_pieces in bits, not bytes.
5455 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5456 __pic__ for little endian.
5458 2000-04-13 Andreas Jaeger <aj@suse.de>
5460 * config/i386/i386-protos.h: Add prototype for
5461 uno_comparison_operator.
5463 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5465 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5466 * calls.c (ECF_PURE): New flag.
5467 (emit_call_1): Handle ECF_PURE calls.
5468 (initialize_argument_information): Unset ECF_PURE flag too.
5469 (precompute_arguments): Precompute for ECF_PURE too.
5470 (expand_call): Handle ECF_PURE calls too.
5471 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5472 accept value of 2 as pure function.
5473 (emit_library_call_value, emit_library_call): Rename no_queue argument
5475 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5477 * tree.h (DECL_IS_PURE): New macro.
5478 (struct tree_decl): Add pure_flag.
5479 * c-common.c (enum attrs): Add attribute "pure".
5480 (init_attributes): Initialize attribute "pure"
5481 (decl_attributes): Handle attribute "pure".
5482 * extend.texi (Attribute "pure"): Document.
5483 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5485 (flags_from_decl_or_type): Support attribute "pure".
5487 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5489 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5490 the token except for numbers and identifiers.
5492 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5494 * i386.c (ix86_expand_binary_operator,
5495 ix86_expand_unary_operator): Check no_new_pseudos
5496 instead of reload_in_progress and reload_completed.
5497 (ix86_split_ashldi, ix86_split_ashrdi,
5498 ix86_split_lshrdi): Check no_new_pseudos instead
5499 of reload_completed.
5501 2000-04-12 Jeffrey A Law (law@cygnus.com)
5503 * function.c (purge_addressof): Unshare any shared rtl created by
5504 purge_addressof and its children.
5506 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5508 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5511 2000-04-05 Andreas Jaeger <aj@suse.de>
5513 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5514 not compiling PIC code, add flags for mabi=64.
5515 (SUBTARGET_CPP_SIZE_SPEC): New.
5516 (SUBTARGET_CPP_SPEC): New.
5517 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5518 for MIPS/Linux and lots of code needs these defines.
5520 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5522 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5523 trying the "opposite arithmetic" approach.
5525 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5527 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5528 (struct sh_args): Add new field force_mem.
5529 (INIT_CUMULATIVE_ARGS): Initialize it.
5530 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5532 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5534 * calls.c (expand_call): Do not reverse args in "equal from" field.
5535 (emit_library_call_value_1): Emit_libcall_block for const and pure
5538 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5540 * reload1.c (reload_combine): Don't enable optimization for fixed
5541 registers when encountering a BARRIER.
5543 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5545 * builtins.c (expand_builtin_memcmp): Do expansion even with
5546 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5548 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5549 stack is propertly aligned; add sanity checking for aligned
5551 (expand_library_call_value_1): Add sanity checking for aligned
5554 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5556 * calls.c (emit_library_call_value_1): Change 3rd arg to
5557 locate_and_pad_parm to disregard the setting of partial.
5559 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5561 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5563 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5564 CALL_INSN from the normal case.
5566 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5568 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5569 New global variables.
5570 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5572 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5574 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5575 TARGET_ADD_ESP_8): New macros.
5576 * i386.md: Add peep2s to convert esp adjustments to push and pop
5578 (pushsi_prologue, popsi_epilogue): New patterns.
5580 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5582 * real.c (toe64): Remove stale #endif from the last change.
5584 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5586 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5587 * real.c (toe64): Revert previous change.
5589 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5591 * objc/objc-act.c: Include ggc.h.
5592 (objc_tree_index, objc_global_trees): Convert most of the
5593 static tree variables into a static array with previous names
5595 (objc_ellipsis_node): New variable.
5596 (lang_init): Call objc_act_parse_init and c_parse_init.
5597 Create objc_ellipsis_node.
5598 (build_selector_translation_table): Use objc_ellipsis_node instead
5600 (hack_method_prototype): Likewise.
5601 (get_arg_type_list): Likewise.
5602 (start_method_def): Likewise.
5603 (continue_method_def): Likewise.
5604 (gen_method_decl): Likewise.
5605 (ggc_mark_imp_list): New function.
5606 (ggc_mark_hash_table): New function.
5607 (objc_act_parse_init): New function.
5608 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5609 * c-parse.in (c_parse_init): For objc add roots of objc specific
5610 local tree variables.
5611 * objc/objc-parse.y: Rebuilt.
5612 * objc/objc-parse.c: Rebuilt.
5613 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5615 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5617 * cse.c (delete_trivially_dead_insns): Also delete insns
5618 that copy a register to itself where the destination is
5621 2000-04-11 Richard Henderson <rth@cygnus.com>
5623 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5624 (propagate_block): Initialize them. Use them in parallel instead
5625 of one tmp variable, ie revert much of the 0408 and 0407 functional
5626 changes, but keep the structural changes.
5627 (mark_set_regs): Take new_dead from propagate_block_info instead.
5628 (mark_set_1, mark_set_reg): Likewise.
5629 (mark_used_regs): Likewise with new_live.
5630 (mark_used_reg): Likewise. Revert 0408 change.
5632 2000-04-11 Nick Clifton <nickc@cygnus.com>
5634 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5636 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5638 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5640 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5641 const section to output a CONSTRUCTOR based on the same conditions
5644 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5646 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5647 * pa/pa-protos.h (output_call): Add additional argument indicating
5648 if the call is a sibling/tail call.
5649 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5650 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5651 (function_arg, function_arg_partial_nregs): Likewise
5652 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5653 (emit_move_sequence): Zero extend certain constants as needed
5655 (compute_zdepdi_operands, output_64bit_and): New functions.
5656 (output_64bit_ior, function_arg): Likewise.
5657 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5658 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5659 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5660 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5661 (output_bvb): Likewise.
5662 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5663 (output_call): New argument 'sibcall'. Generate sibcall sequences
5665 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5666 (ouput_arg_descriptor): Do not emit argument descriptors for
5668 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5670 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5671 (FUNCTION_OK_FOR_SIBALL): Define.
5672 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5673 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5674 (CPP_SPEC): Use new spec infrastructure.
5675 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5676 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5677 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5678 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5679 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5680 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5681 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5682 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5683 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5684 (FUNCTION_ARG); Call out to C code.
5685 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5686 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5687 (MIN_UNITS_PER_WORD): Likewise.
5688 * pa/pa.md (cmpdi): New expander.
5689 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5690 (64bit conditional arithmetic): New patterns.
5691 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5692 (movsicc): Not available if modes on all the operands to not match.
5693 (movdicc): New expander and associated patterns.
5694 (64bit branches): New patterns.
5695 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5696 (pre_ldd, post_std): New patterns.
5697 (64bit addil, load low part): New patterns.
5698 (special movsf constant): Not available for TARGET_64BIT.
5699 (movsf, movdf expanders): Force constants into memory.
5700 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5701 (64bit movdf/movdi patterns): New patterns.
5702 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5704 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5705 (adddi3 expander): Allow "arith_operand" for second input.
5706 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5707 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5708 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5709 (muldi3): New expander for TARGET_64BIT.
5710 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5712 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5713 patterns for TARGET_64BIT.
5714 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5715 patterns for TARGET_64BIT.
5716 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5717 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5718 (sibcall_epilogue): New expander.
5719 (casesi): Tweak for TARGET_64BIT.
5720 (call expanders): Set & use the outgoing argument pointer. Use the
5721 64bit call patterns as needed. Add additional arg to output_call.
5722 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5723 (sibcall, sibcall_internal_symref): New expanders.
5724 (sibcall_value, sibcall_value_internal_symref
5725 (interspace_jump): Turn into an expander + matching patterns.
5726 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5727 * pa/pa64-regs.h: Eliminate trigraph sequences.
5728 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5730 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5732 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5733 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5734 cpp_token with cpp_ttype everywhere.
5735 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5736 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5737 CPP_BUF_COL. Line and column numbers are unsigned int, not
5739 * cpplex.c (cpp_buf_line_and_col): Delete.
5740 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5741 'long lineno' to 'unsigned int lineno'.
5742 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5744 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5746 * extend.texi: ISO C99 is not a draft anymore.
5747 * invoke.texi: ISO C++ is not a draft anymore.
5748 * cpp.texi: __cplusplus is required by the ISO standard.
5750 * extend.texi (-fthis-is-variable): Undocument.
5751 * flags.h (warn_template_debugging): Remove declaration.
5752 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5753 -Wenum-clash, -Wtemplate-debugging): Undocument.
5755 2000-04-10 Nick Clifton <nickc@cygnus.com>
5757 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5759 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5761 (ARM_SIGN_EXTEND): Use HOST_UINT.
5762 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5763 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5764 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5765 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5767 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5768 (arm_gen_constant): Use HOST_UINT.
5769 (arm_canonicalize_constant): Use HOST_UINT.
5770 (arm_reload_in_hi): Use HOST_UINT.
5771 (arm_reload_out_hi): Use HOST_UINT.
5772 (output_multi_immediate): Use HOST_UINT.
5773 (int_log2): Use HOST_UINT.
5774 (arm_poke_function_name): Use HOST_UINT.
5775 (arm_output_epilogue): Use arm_volatile_func().
5776 (output_thumb_prologue): Use arm_strip_name_encoding().
5778 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5780 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5781 of sequence point problems.
5783 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5785 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5787 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5789 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5791 * sbitmap.h: Whitespace changes and use upper-case macro args.
5792 (struct simple_bitmap_def): All sizes now unsigned.
5793 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5794 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5795 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5796 (sbitmap_zero): Cast bzero arg to PTR.
5797 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5798 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5799 loop to make structure clearer.
5800 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5801 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5802 (sbitmap_a_and_b_or_c): Likewise.
5803 (sbitmap_intersection_of_succs): Minor cleanups.
5804 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5805 (sbitmap_union_of_preds): Likewise.
5806 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5807 (debug_sbitmap): New function.
5809 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5810 * c-typeck.c (convert_for_assignment): Likewise.
5812 * expmed.c (init_expmed): Don't free objects we make.
5813 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5815 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5816 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5818 * gcse.c (expr_hash_table_size): Now unsigned.
5819 (compute_ae_gen): Local variable `i' now unsigned.
5820 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5821 (compute_transout, hoist_code): Likewise.
5822 (compute_local_properties): Likewise, also hash_table_size.
5823 (alloc_expr_hash_table): N_INSNS now unsigned.
5824 (delete_null_pointer_checks): Mark arg F as unused.
5826 * regrename.c: Minor cleanups, including chang some variables
5829 2000-04-10 Neil Booth <NeilB@earthling.net>
5831 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5833 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5835 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5837 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5838 __classof__, and __headof__ from the list of gnu keywords.
5839 (-ansi): Remove -foperator-names from list of implied options.
5840 Do not call it ANSI C++.
5841 (-foperator-names): Document as -fno-operator-names.
5843 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5845 * cpphash.c (timestamp): Delete.
5846 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5847 (special_symbol): Remove unnecessary braces. Remove
5848 T_VERSION. Treat T_STDC like T_CONST unless
5849 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5850 when one is encountered, then convert them into T_MCONST
5852 * cppinit.c (builtin_array): version_string is T_MCONST.
5853 __STDC__ has a "1" in its cpval. Don't have a terminator
5854 entry. Clean up which entries are dumped.
5855 (initialize_builtins): Only __STDC__ gets the special
5856 -traditional treatment. Count the length of builtin_array.
5857 Render version_string here.
5858 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5859 * cpplib.h (struct cpp_reader): Remove timebuf.
5861 2000-04-09 Richard Henderson <rth@cygnus.com>
5863 * genrecog.c (pred): Update comparison_operator for the unordered
5866 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5868 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5869 (uno_comparison_operator): New.
5870 (put_condition_code): Handle UNORDERED/ORDERED.
5871 (unsigned_comparison): Likewise.
5872 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5873 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5874 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5875 update all callers. Handle all 8 unordered operators.
5876 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5877 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5878 * config/i386/i386.h (PREDICATE_CODES): Update.
5879 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5880 (ix86_expand_branch, ix86_expand_setcc): Update.
5881 * config/i386/i386.md (sunordered, sordered): New.
5882 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5883 (bunordered, bordered): New.
5884 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5885 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5886 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5888 2000-04-09 Philip Blundell <philb@gnu.org>
5890 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5892 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5894 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5895 fix_truncxfhi2): New patterns.
5896 * i386.c (output_fix_trunc): Handle converting to HImode.
5898 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5900 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5902 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5903 (for_each_successor_phi): Change parameter to basic_block.
5904 (coalesce_regs_in_successor_phi_nodes): Likewise.
5905 (coalesce_regs_in_copies): Likewise.
5906 (compute_coalesced_reg_partition): Use basic_block instead of index.
5907 * rtl.h (convert_to_ssa): Delete.
5908 (convert_from_ssa): Likewise.
5909 (successor_phi_fn): Likewise.
5910 (for_each_successor_phi): Likewise.
5911 (in_ssa_form): Likewise.
5912 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5913 (convert_from_ssa): Likewise.
5914 (successor_phi_fn): Likewise.
5915 (in_ssa_form): Likewise.
5916 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5917 * flow.c (calculate_global_regs_live): Pass a basic_block to
5918 for_each_successor_phi.
5920 2000-04-08 Richard Henderson <rth@cygnus.com>
5922 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5923 was modified in the current insn.
5925 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5927 * arm/thumb.md: Delete.
5928 * arm/thumb-protos.h: Delete.
5930 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5932 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5934 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5936 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5939 * arm.md (nop): Use the standard RTL expression. Don't code as a
5941 (*arm_nop, *thumb_nop): Delete.
5943 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5944 constants. Use casts instead.
5945 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5946 output_multi_immediate, arm_poke_function_name): Likewise.
5947 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5948 MASK_RETURN_ADDDR): Likewise.
5950 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5952 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5955 * arm.md (eh_epilogue): New function.
5956 * arm.h (struct machine_function): Move to here ...
5957 * arm.c: ... from here.
5958 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5959 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5960 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5962 2000-03-30 Nick Clifton <nickc@cygnus.com>
5964 * config/arm/semi.h (ASM_SPEC): Restore definition.
5965 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5967 * config/arm/elf.h (ASM_SPEC): Restore definition.
5968 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5970 * config/arm/arm.h (ASM_SPEC): Remove definition.
5971 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5973 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5975 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5977 2000-03-24 Nick Clifton <nickc@cygnus.com>
5979 Various formating tidyups, elimination of compile time
5980 warnings and synchronisation with internal sources:
5982 * config/arm/arm-protos.h (assemble_align): Add prototype.
5983 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5984 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5985 (arm_return_addr_rtx): Rename to arm_return_addr.
5987 * config/arm/arm.c: Include except.h.
5988 Define shorter typenames for strict minipool_node and struct
5990 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5992 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5993 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5995 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5997 (ASM_SPEC): Define if not already defined.
5998 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
6000 * config/arm/arm.md: Rename references to gen_rotated_half_load to
6001 arm_gen_rotated_half_load, and references to gen_comapre_reg to
6002 arm_gen_compare_reg.
6003 (indirect_jump): Only accept register operands.
6004 (load_indirect_jump): Keep this pattern since combine can generate
6007 * config/arm/coff.h: Include aout.h.
6008 (MULTILIB_DEFAULTS): Only define if not already defined.
6010 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
6011 into arm.h (so that COFF ports can support thumb based aliases).
6012 (ASM_SPEC): Move definition into arm.h
6014 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
6015 redundant apcs spec.
6016 (ASM_SPEC): Move definition to arm.h
6018 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
6020 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
6021 for entries in the .bss section
6023 2000-03-23 Nick Clifton <nickc@cygnus.com>
6025 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
6026 to thumb_far_jump_used_p.
6028 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
6029 single integer parameter.
6031 * config/arm/arm.c (struct machine_function): Add two new
6032 fields, 'far_jump_used' and 'arg_pointer_live'.
6033 (thumb_far_jump_used_p): Once the decision has been made that
6034 far jumps might be used, always return true.
6035 If being called from the initial elimination offset macro then
6036 do not bother to perform the test if the arg pointer is not
6038 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
6039 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
6041 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
6043 * arm.c (output_return_instruction): Handle more cases where we can
6044 return from a function with an ldr instruction.
6045 (arm_output_epilogue): Likewise.
6047 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
6048 if we need to push a large stack frame and there are no callee-saved
6051 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
6052 in ARM code if the frame pointer has been eliminated.
6054 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
6055 unspec_volatile arguments to avoid duplicates.
6056 (consttable_1, consttable_2): Fixes for big-endian mode.
6058 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
6061 Re-write constant pool code.
6062 * arm.c (minipool_node, minipool_fix): New types.
6063 (minifix): Delete type.
6064 (arm_add_minipool_constant): Delete.
6065 (arm_compute_minipool_offsets, arm_find_barrier,
6066 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
6067 (get_jump_table_size): Now returns HOST_WIDE_INT.
6068 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
6070 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
6071 (assign_minipool_offsets, arm_print_value): Likewise.
6072 (dump_minipool): Rewrite.
6073 (arm_barrier_cost): New function.
6074 (create_fix_barrier): New function.
6075 (push_minipool_barrier): New function.
6076 (push_minipool_fix): Record additional information about the fixup
6078 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
6079 check the mode of what needs fixing.
6080 (arm_reorg): Rewrite.
6082 2000-03-08 Nick Clifton <nickc@cygnus.com>
6084 * config/arm/arm.md (indirect_jump): Force constant addresses into
6087 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
6089 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
6091 2000-02-24 Nick Clifton <nickc@cygnus.com>
6093 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
6094 adjust is word aligned.
6095 (thumb_expand_epilogue): Make sure that stack adjust is word
6098 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
6100 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
6102 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
6103 pointer relative addresses.
6105 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
6107 * arm.c (find_barrier): Find the last barrier within the allowed
6110 2000-02-09 Nick Clifton <nickc@cygnus.com>
6112 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
6114 2000-02-09 Nick Clifton <nickc@cygnus.com>
6116 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6117 ARM_FUNCTION_PROFILER.
6119 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6120 ARM_FUNCTION_PROFILER.
6122 * config/arm/linux-oldld.h: Imported from mainline sources.
6124 2000-02-07 Nick Clifton <nickc@cygnus.com>
6126 * config/arm/lib1funcs.asm: Merge in thumb functions from
6129 * config/arm/lib1thumb.asm: Delete.
6131 2000-02-04 Nick Clifton <nickc@cygnus.com>
6133 * config/arm/arm.c: Sychronised with current Red hat local
6135 * config/arm/arm.h: Ditto.
6136 * config/arm/arm-protos.h: Ditto.
6138 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6140 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6142 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6145 2000-02-02 Nick Clifton <nickc@cygnus.com>
6147 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6149 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6150 (return) was emited using an emit_insn() call.
6152 2000-01-31 Nick Clifton <nickc@cygnus.com>
6154 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6156 (thumb_exit): Move frame pointer back into hard frame pointer
6157 register if backtracing is being used.
6159 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
6161 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
6164 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
6166 * config/arm/arm.md (neg_pool_offset): Provide default for new
6168 (arm_movsi_insn): Add neg_pool_offset attribute.
6169 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
6170 rtx for the insn that starts the scan and an unsigned long for its
6171 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
6172 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
6173 instructions in *PINSERTED.
6174 (struct minipool_fixup): Add MIN_ADDRESS elt.
6175 (sort_fixups): Compute it.
6176 (arm_reorg): Changes to support inserting pools before the insn to be
6179 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6181 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
6182 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6183 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6185 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6187 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6189 (TARGET_DEFAULT): Do not define if already defined.
6191 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6193 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6194 (iordi3): Allow disjoint source operands.
6195 (xordi3): Allow disjoint source operands.
6196 (negdi2): Permit construction for ARM and Thumb.
6197 (arm_negdi2): Renamed version of old negdi2 pattern.
6198 (thumb_negdi2): New pattern: Only permit non-overlapping
6199 source and destination.
6201 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6203 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6204 scratch low register so that it will not be deleted.
6206 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6208 * config/arm/pe.h (ARM_PE): Define.
6210 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6211 interfacearm attribute if this is a PE toolchain.
6212 (output_return_instruction): Do not emit anything if the function
6213 has the naked attribute set.
6214 (is_called_in_ARM_mode): If the function has the interfacearm
6215 attribute then return true.
6216 (thumb_expand_prologue): Do not generate a prologue for naked
6218 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6220 (output_thumb_prologue): Do not bother if the function is naked.
6221 Strip PE encoding from function name before emitting.
6223 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6225 * arm.md (pic_load_addr): Fix constraints.
6227 * arm.md (casesi_insn): Fix mis-applied patch.
6229 * arm.md ("core" function unit): Add rules for single- and
6231 (All TARGET_THUMB patterns): Add "type" attribute information
6233 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6234 the following insn is a CALL.
6236 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6238 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6239 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6240 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6242 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6244 * config/arm/linux-gas.h: oops - this file was missed out when the
6245 branch was created...
6247 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6249 * thumb.c: Deleted. Move contents to ...
6251 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6253 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6256 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6257 declare a prototype for asm_output_align();
6259 * arm.c (thumb_condition_code): Delete.
6260 (arm_print_operand): Always use arm_condition_code array.
6262 * arm.c (thumb_return_addr_rtx): Delete.
6263 (arm_save_machine_status, arm_restore_machine_status): Delete.
6264 (arm_init_machine_status, arm_mark_machine_status): New functions.
6265 (arm_init_expanders): Update accordingly.
6266 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6267 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6268 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6270 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6272 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6274 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6277 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6279 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6280 stack backtrace structure.
6282 * config/arm/arm-protos.h: Add prototypes for functions defined in
6285 * config/arm/arm.c (arm_override_options): Fix selection of
6286 attributes of default processor.
6288 * config/arm/coff.h: Delete needless #include.
6290 * config/arm/pe.c: Delete unused code.
6292 * config/arm/pe.h (CPP_DEFINES): Delete
6293 (SUBTARGET_CPP_SPEC): Define.
6294 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6296 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6298 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6300 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6302 (CAN_DEBUG_WITHOUT_FP): Define.
6303 (FIXED_REGISTERS): Make r11 call-saved.
6304 (CALL_USED_REGISTERS): Likewise.
6305 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6306 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6307 frame-pointer is required.
6308 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6309 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6310 if the target normally needs a stack frame in non-leaf functions.
6311 (use_return_insn): Correct logic for determining when a return
6312 instruction can be used.
6313 (output_return_instruction): Handle the frame-pointer register as
6314 a normal register when not TARGET_APCS_FRAME.
6315 (arm_output_prologue): Likewise.
6316 (arm_output_epilogue): Likewise.
6317 (output_func_epilogue): Likewise.
6318 (arm_expand_prologue): Likewise.
6319 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6321 * arm.c (use_return_insn): No need to check floating point regs if
6323 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6324 the code of value stored in the minipool array.
6325 (arm_add_minipool_constant): Likewise.
6327 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6329 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6331 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6333 * tree.c (tree_expr_nonnegative_p): New function.
6335 * tree.h (tree_expr_nonnegative_p): Declare.
6337 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6338 elide some sign_compare warnings.
6339 (build_conditional_expr): Likewise.
6341 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6343 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6345 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6346 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6347 operand. Abort if a 387 operand has an unsupported size.
6349 2000-04-08 Neil Booth <NeilB@earthling.net>
6351 * cppexp.c (parse_charconst): Null does not end character
6353 * cppinit.c (ISTABLE): Null character handled as whitespace.
6354 * cpplex.c (null_warning): new function.
6355 (skip_string): Emit warning if nulls encountered.
6356 (_cpp_skip_hspace): Emit warning if nulls encountered.
6357 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6361 2000-04-07 Richard Henderson <rth@cygnus.com>
6363 * flow.c (loop_depth): Remove.
6364 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6365 (struct propagate_block_info): New.
6366 (life_analysis): Don't allocate reg_next_use.
6367 (propagate_block_delete_insn): Break out of propagate_block.
6368 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6369 (propagate_block_delete_libcall): Likewise.
6370 (propagate_block): Create a propagate_block_info struct to pass
6371 to subroutines. Allocate one not two temporary regsets. Don't
6372 clobber memory for const calls. Look for clobbers in
6373 CALL_INSN_FUNCTION_USAGE.
6374 (mark_set_regs): Recognize COND_EXEC.
6375 (mark_set_reg): Break out of mark_set_1.
6376 (mark_used_reg): Break out of mark_used_regs.
6377 (mark_used_regs): Recognize COND_EXEC.
6378 (insn_dead_p): Use propagate_block_info struct.
6379 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6380 (find_auto_inc, try_pre_increment_1): Likewise.
6381 (print_rtl_with_bb): Dump regs live at end too.
6382 (count_reg_sets_1): Pass in loop_depth.
6383 (count_reg_sets, count_reg_references): Likewise.
6384 (recompute_reg_usage): Provide it.
6386 2000-04-07 Richard Henderson <rth@cygnus.com>
6388 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6391 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6393 * cpplib.c (do_elif): Skip the rest of the line if we're
6394 not going to bother evaluating it.
6395 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6396 to avoid pointless calls to the lexer.
6398 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6400 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6402 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6404 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6406 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6408 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6410 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6412 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6413 crtend so they can be multilibbed.
6414 (STAGESTUFF): Remove s-crt and s-crtS.
6416 2000-04-07 Richard Henderson <rth@cygnus.com>
6418 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6419 if we discover we need a pseudo and no_new_pseudos is true.
6420 * config/alpha/alpha.md (ne:DI insn): New.
6421 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6423 2000-04-07 Richard Henderson <rth@cygnus.com>
6425 * rtl.def (COND_EXEC): New.
6426 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6427 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6429 * genconfig.c (have_cond_arith_flag): Remove.
6430 (have_cond_exec_flag): New.
6431 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6432 (main): Print HAVE_conditional_execution.
6434 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6435 (sched_analyze_insn, print_pattern): Likewise.
6436 * reload.c (find_equiv_reg): Likewise.
6437 * rtlanal.c (reg_referenced_p): Likewise.
6438 (note_stores, dead_or_set_regno_p): Likewise.
6439 (reg_overlap_mentioned_p): Rewrite to use a switch.
6441 * ggc.h (struct rtx_def): Forward declare.
6443 * print-rtl.c (debug_rtx_range): New.
6444 * rtl.h (debug_rtx_range): Declare.
6446 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6448 * gcse.c (gcse_main): Don't rebuild the CFG here.
6449 (delete_null_pointer_checks): Likewise.
6450 * ssa.c (convert_to_ssa): Likewise.
6451 * toplev.c (rest_of_compilation): Do it here instead. Combine
6452 sequential calls to TIMEVAR. Consistently use `insns' instead of
6453 `get_insns()'. Always split insns after reload when optimizing.
6455 * basic-block.h (merge_blocks_nomove): Declare.
6456 (tidy_fallthru_edge): Declare.
6457 * flow.c (merge_blocks_nomove): Document as merging into previous
6458 blocks. Remove cruft from between blocks; remove all edges out of A.
6459 (tidy_fallthru_edge): Export.
6461 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6463 * ssa.c (compute_conservative_reg_partition): Declare with
6465 * toplev.c (clean_dump_file): Remove previously-deleted function
6466 inadvertantly merged back in.
6467 * conflict.c (conflict_graph_add): Use a single call to
6468 htab_find_slot to look up and insert.
6470 2000-04-06 Richard Henderson <rth@cygnus.com>
6472 * genrecog.c (*): Rename _last_insn to last_insn.
6473 (make_insn_sequence): Set the position of the peephole2 C test
6474 to be at the last insn.
6476 2000-04-06 Richard Henderson <rth@cygnus.com>
6478 * flow.c (compute_flow_dominators): Free worklist.
6480 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6482 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6484 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6486 * rtl.h (INSN_P): New macro.
6487 (successor_phi_fn): New typedef.
6488 (for_each_successor_phi): New prototype.
6489 (in_ssa_form): New variable.
6490 (PHI_NODE_P): Likewise.
6491 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6492 phi nodes in successors.
6493 (mark_used_regs): Add PHI case.
6494 (set_phi_alternative_reg): New function.
6495 (life_analysis): Assert that dead code elimination is not selected
6497 * toplev.c (to_ssa_time): New variable.
6498 (from_ssa_time): Likewise.
6499 (compile_file): Zero to_ssa_time and from_ssa_time.
6500 Print time to convert to and from SSA.
6501 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6502 (print_time): Compute percent fraction as integer.
6503 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6504 (convert_to_ssa): Check if we're already in SSA.
6505 Don't eliminate dead code in life_analysis.
6506 Rerun flow and life analysis at bottom.
6507 (eliminate_phi): Use canonical regnos when adding nodes.
6508 (mark_reg_in_phi): New function.
6509 (mark_phi_and_copy_regs): Likewise.
6510 (convert_from_ssa): Rerun life analysis at top.
6511 Use coalesced partition.
6512 Check for removing a phi node at the end of the block.
6513 (compute_coalesced_reg_partition): New function.
6514 (coalesce_regs_in_copies): Likewise.
6515 (coalesce_reg_in_phi): Likewise.
6516 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6517 (for_each_successor_phi): Likewise.
6518 (rename_context): New struct.
6519 (rename_block): Use a rename_context with rename_insn_1. When
6520 renaming sets of a subreg, emit a copy of the entire reg first.
6521 (rename_insn_1): Treat data as a rename_context *. Save current
6523 (rename_set_data): Add field set_insn.
6524 * Makefile.in (HASHTAB_H): Move up in file.
6525 (OBSTACK_H): New macro.
6526 (collect2.o): Use OBSTACK_H in dependencies.
6527 (sdbout.o): Likewise.
6528 (emit-rtl.o): Likewise.
6529 (simplify-rtx.o): Likewise.
6530 (fix-header.o): Likewise.
6531 (OBJS): Add conflict.o.
6532 (conflict.o): New rule.
6533 * basic-block.h: Include partition.h.
6534 (conflict_graph): New typedef.
6535 (conflict_graph_enum_fn): Likewise.
6536 (conflict_graph_new): New prototype.
6537 (conflict_graph_delete): Likewise.
6538 (conflict_graph_add): Likewise.
6539 (conflict_graph_conflict_p): Likewise.
6540 (conflict_graph_enum): Likewise.
6541 (conflict_graph_merge_regs): Likewise.
6542 (conflict_graph_print): Likewise.
6543 (conflict_graph_compute): Likewise.
6544 * conflict.c: New file.
6546 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6548 * tlink.c (read_repo_files): Don't look for .rpo info for
6551 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6553 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6555 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6557 * config/sh/lib1funcs.asm (___udivsi3_i4):
6558 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6559 only depends on FMOVD_WORKS.
6561 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6563 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6564 make double constant 8-byte aligned.
6566 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6568 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6569 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6570 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6571 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6572 Accept storing GENERAL_REGS into offsetable memory.
6573 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6574 building a TFmode constant other than 0.0L into GENERAL_REGS.
6576 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6578 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6580 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6582 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6583 (macro_cleanup): No need to cast pbuf->macro.
6584 (collect_expansion): Use _cpp_get_define_token. Goto done if
6585 it returns VSPACE. Remove check for trailing space after
6587 (_cpp_create_definition): Don't diddle flags here. Return
6589 (unsafe_chars): Handle c1 being EOF.
6590 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6591 checks. Don't push the buffer till after we're done with
6593 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6594 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6595 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6597 (_cpp_parse_assertion): Don't NUL terminate.
6598 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6599 hspace before calling _cpp_parse_assertion. Remove all sets
6600 of only_seen_white. Treat '\f' as hspace. Don't do anything
6601 special with '\n' here.
6602 (maybe_macroexpand): Handle T_EMPTY hash entries without
6603 pushing a buffer at all.
6604 (cpp_get_token): Handle clearing only_seen_white here. Handle
6605 incrementing the line number here. Clear
6606 potential_control_macro as well as only_seen_white, if
6608 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6609 (_cpp_get_define_token): New function, basically like
6610 _cpp_get_directive_token was but doesn't eat horizontal space.
6611 Don't do anything with only_seen_white here.
6612 (_cpp_get_directive_token): Just call _cpp_get_define_token
6613 repeatedly till it returns non-hspace.
6615 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6616 (conditional_skip, skip_if_group): Return int.
6617 (DIRECTIVE_TABLE): Change origin of all conditional directives
6619 (TRAD_DIRECT_P): New macro.
6620 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6621 an error for a bogus directive, unless -lang-asm. Use
6622 TRAD_DIRECT_P. Loop calling handler functions till one returns
6624 (get_macro_name): Don't diddle flags here.
6625 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6626 Create T_EMPTY nodes for #define macro /* nothing */.
6627 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6628 Use hp->name when calling pass_thru_directive.
6629 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6630 Return the result of conditional_skip and/or skip_if_group.
6631 Don't call _cpp_output_line_command.
6632 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6633 Issue -Wtraditional warnings as appropriate. Don't complain
6634 about unrecognized directives. If we are to stop skipping,
6635 return the number of the directive that ended the skip.
6636 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6637 expansion and line commands while skipping. Return the result
6638 of consider_directive_while_skipping, if nonzero.
6639 (do_endif): Just set potential_control_macro here.
6640 (validate_else): Use _cpp_get_directive_token.
6641 (do_assert, do_unassert): Don't save pointers into the
6642 token_buffer across calls to the lexer. Use
6643 _cpp_get_directive_token.
6645 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6646 pointer, not an offset. Replace 'data', which was a generic
6647 pointer, with 'macro', which points to a struct hashnode.
6648 (cpp_reader): Add 'potential_control_macro' pointer.
6649 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6650 (CPP_BUF_GET, CPP_FORWARD): Delete.
6651 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6652 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6653 ACTIVE_MARK_P): Update.
6654 (_cpp_get_define_token): New internal function.
6655 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6657 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6659 * configure.in: And here.
6660 * configure: Regenerate.
6661 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6662 --enable-libstdcxx-v3 is passed at configure time.
6663 * config.h.in: Regenerate.
6665 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6667 * final.c (final): Use xcalloc to allocate line_note_exists.
6668 * function.c (free_after_compilation): Free the temp_slots.
6669 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6670 (combine_temp_slot): Free temp_slots when they get combined.
6671 (purge_addressof): Fix typo in comment.
6672 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6673 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6675 * ggc.h: Include varray.h.
6676 (ggc_pending_trees): Declare.
6677 (ggc_mark_tree_children): Remove declaration.
6678 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6679 * ggc-common.c (ggc_pending_trees): New variable.
6680 (ggc_mark_roots): Call ggc_mark_trees.
6681 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6682 the ggc_pending_trees.
6683 * Makefile.in (GGC_H): New variable. Use it throughout in place
6686 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6688 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6691 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6693 * sh.c (sh_insn_length_adjustment): New function.
6694 * sh-protos.h (sh_insn_length_adjustment): Declare.
6695 * sh.h (ADJUST_INSN_LENGTH): Use it.
6697 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6699 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6700 from the insn where REG_RETVAL is added.
6701 (emit_no_conflict_block): Ditto.
6703 * md.texi (Standard Names): Clarify when movX is needed.
6705 * combine.c (simplify_comparison) [MINUS]: Do not replace
6706 all (op (minus A B) 0) with (op A B).
6708 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6709 J"orn Rennecke <amylaar@cygnus.co.uk>
6711 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6712 (block_lump_real): Likewise.
6714 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6716 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6717 remaining non-zero debugging masks.
6719 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6721 * basic-block.h (verify_flow_info): Declare.
6722 (flow_loop_outside_edge_p): Declare.
6723 * flow.c (verify_flow_info): Remove declaration.
6724 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6726 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6728 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6731 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6733 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6734 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6735 seqdi_zero_trunc+1): Allow splits only if registers are
6738 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6740 * acconfig.h: Add HAVE_GAS_HIDDEN.
6741 * config.in: Regenerated.
6742 * configure.in: Add test for .hidden pseudo-op in gas.
6743 * configure: Regenerated.
6744 * crtstuff.c: Include auto-host.h.
6745 Emit additional .hidden pseudo-op for __dso_handle if the
6746 assembler knows about it.
6748 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6750 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6751 before freeing argnames.
6752 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6754 2000-04-05 Michael Meissner <meissner@redhat.com>
6756 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6757 Walton <jonboy@gordian.com> to make memory references with update
6758 work wtih -mregnames.
6760 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6762 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6763 (regrename_optimize): Rename variables `def_uses' and
6764 `ext_basic_blocks' to avoid conflicts with similarly named
6765 typedefs in traditional C.
6767 * calls.c (initialize_argument_information): Fix typo in previous
6770 2000-04-04 Richard Henderson <rth@cygnus.com>
6772 * regrename.c (consider_available): Test fixed_regs not
6773 PIC_OFFSET_TABLE_REGNUM.
6775 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6777 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6779 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6780 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6781 (ENDFILE_LINUX_SPEC): Always use crtend.
6782 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6783 (powerpc-*-linux-gnu): Likewise.
6784 * configure: Regenerate.
6786 * config/rs6000/eabi.h: Don't include sysv4.h.
6787 (MULTILIB_DEFAULTS): Don't define.
6788 * config/rs6000/eabiaix.h: Don't include eabi.h.
6789 * config/rs6000/eabile.h: Delete.
6790 * config/rs6000/eabilesim.h: Delete.
6791 * config/rs6000/eabisim.h: Don't include eabi.h.
6792 * config/rs6000/linux.h: Don't include sysv4.h.
6793 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6794 (MULTILIB_DEFAULTS): Don't redefine.
6795 * config/rs6000/rtems.h: Don't include eabi.h.
6796 * config/rs6000/sol2.h: Don't include sysv4le.h.
6797 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6798 * config/rs6000/t-ppc: Delete.
6799 * config/rs6000/t-ppcgas: Correct comment.
6800 * config/rs6000/t-ppcos: Correct comment. Don't build
6801 multilibs for -fPIC, rather use -fPIC -mstrict-align
6803 * config/rs6000/t-ppc: Delete.
6804 * config/rs6000/vxppc.h: Don't include sysv4.h.
6805 * config/rs6000/vxppcle.h: Delete.
6806 * configure.in: Use multiple header files for p2pc ELF targets
6807 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6808 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6809 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6810 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6811 always available for these platforms.
6813 2000-04-04 Richard Henderson <rth@cygnus.com>
6815 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6817 2000-04-04 Stan Cox <scox@cygnus.com>
6819 * Makefile.in: Add rules for regrename.o
6820 * regrename.c: New file.
6821 * rtl.h (regrename_optimize): Add prototype.
6822 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6823 (compile_file, decode_d_option): Add support for -frename-registers.
6824 (rest_of_compilation): Call regrename_optimize.
6825 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6828 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6830 * Makefile (gccbug): New target.
6831 (doc): Depend on it.
6832 * gcc.texi (Bugs): Link subnodes.
6834 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6835 Document severities, priorities, and classes in bug form.
6837 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6839 * cpplex.c (trigraph_map, speccase): Combine into single
6841 (NORMAL, NONTRI): New macros.
6842 (_cpp_read_and_prescan): Change to use unified table. Use
6843 is_hspace to test for whitespace.
6845 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6846 definition that doesn't provoke the "empty body in an
6847 if-statement" warning.
6849 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6851 * builtins.c (expand_builtin_strlen): Force the source to
6852 be a memory address.
6854 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6856 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6858 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6860 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6861 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6862 (ECF_IS_CONST): Rename to ECF_CONST.
6863 (special_function_p): Make static, change interface.
6864 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6865 (expand_call) ... here; convert number of variables to flags.
6866 (emit_library_call_vlue_1): Likewise.
6867 (setjmp_call_p): New function.
6868 (initialize_argument_information): Accepts flags as argument;
6870 (precompute_arguments): Likewise.
6871 * tree.h (special_function_p): Remove.
6872 (setjmp_call_p): Add prototype.
6874 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6876 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6877 so that addresses are offsetable by up to 16 bytes.
6878 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6879 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6882 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6883 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6884 (movsf): Don't force any constant to memory if target is integer
6886 Move fp_zero_operand check below the const0_rtx check.
6887 (movtf): Likewise. Also allow fp_zero_operand for stores into
6889 (movdf): Likewise. Also allow fp_zero_operand for stores into
6890 memory and into integer hard registers.
6891 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6892 movdf_const_intreg_sp64): Remove.
6893 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6895 (movdf_no_e_insn_v9_sp32): New pattern.
6896 (movdf_insn_v9only): Remove.
6897 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6898 (movdf_insn_sp64): Remove.
6899 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6900 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6901 (following splits): Rewrite conditions. Add two new splits
6902 for storing 0.0 into memory and registers.
6903 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6904 (movtf_insn_sp32): Redo constraints and conditions.
6905 (movtf_insn_vis_sp32): New pattern.
6906 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6907 (movtf_insn_hq_sp64): Likewise.
6908 (movtf_insn_hq_vis_sp64): New pattern.
6909 (movtf_insn_sp64): Redo constraints and conditions.
6910 (movtf_insn_vis_sp64): New pattern.
6911 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6912 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6914 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6915 -mvis or -m64 to take down the number of various reload patterns.
6917 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6919 * pa/pa-64.h: New file.
6920 * pa/pa64-regs.h: New file.
6921 * pa/pa64-start.h: New file.
6922 * pa/t-pa64: New file.
6923 * pa/xm-pa64hpux.h: New file.
6925 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6927 * sparc.c (output_restore_regs): Prototype.
6928 (sparc_emit_float_lib_cmp): Constification.
6930 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6932 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6935 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6936 (get_value_hash, hash_rtx): Likewise.
6938 * ssa.c (compute_conservative_reg_partition): Prototype.
6940 * tree.c (mark_hash_entry): Prototype.
6942 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6944 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6945 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6946 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6948 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6949 * objc/lang-specs.h: Likewise.
6951 2000-04-03 Neil Booth <NeilB@earthling.net>
6953 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6954 and SYNTAX_ERROR2. Replace `' in messages with ''.
6955 (op_to_str): Make re-entrant.
6956 (_cpp_parse_expr): Implement new error macros. Use | rather
6957 than || to logically or 2 boolean integers. Simply expression
6958 checking we have a left operand iff needed.
6960 2000-04-03 Nick Clifton <nickc@cygnus.com>
6962 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6964 2000-04-03 Philip Blundell <philb@gnu.org>
6966 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6968 2000-04-03 Felix Lee <flee@cygnus.com>
6970 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6971 (run_shell): Use it.
6973 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6975 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6976 (stmp-fixproto): ...rather than here.
6978 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6980 * pa.c (print_operand): Compute 'base' only inside the code paths
6983 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6985 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6988 2000-04-03 Philipp Thomas <pthomas@suse.de>
6990 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6992 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6994 * Makefile.in (alias.o): Depend on $(TREE_H).
6996 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6998 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
7000 * cpplib.c (_cpp_handle_directive): Improve warnings for
7001 traditional C and indented directives.
7003 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
7004 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
7005 fixinc/inclhack.def: Indent the # of #include_next one space.
7006 * cp/rtti.c: Un-indent #if and #endif.
7008 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
7009 syntax error, but an error has already been printed.
7010 * cpplex.c (_cpp_parse_assertion): Give a more specific error
7011 message when called with nothing remaining on the line.
7012 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
7013 OTHER token, not an ASSERTION.
7014 * cpplib.c (do_assert): When we create a 'base' node, clear
7015 its aschain pointer.
7017 2000-04-02 Neil Booth <NeilB@earthling.net>
7019 * cppexp.c: New typedef op_t. struct operation and struct
7020 token updated to use it.
7021 (op_to_str): New function.
7022 (_cpp_parse_expr): Error messages modified to use op_to_str.
7024 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7026 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
7027 before checking MUST_PASS_IN_STACK.
7029 2000-04-02 Neil Booth <NeilB@earthling.net>
7031 * cppexp.c: New FINISHED dummy token. Combine operator initial
7032 flags and initial priority into a single constant. New
7033 EQUALITY macro. New operator flag SHORT_CIRCUIT.
7034 (_parse_cpp_expr): Implement new constants. Take left operand
7035 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
7036 parse indicated by reducing FINISHED token. Remove new lines
7037 from cpp_error messages.
7039 2000-04-01 Mark Mitchell <mark@codesourcery.com>
7041 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
7044 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
7046 * cpplib.c: Include symcat.h. Add 'origin' field to struct
7047 directive. Add origin values to DIRECTIVE_TABLE. Generate
7048 the strings and function names on the fly. Take the #sccs
7049 entry out of the table if SCCS_DIRECTIVE is not defined.
7050 (_cpp_handle_directive): Decide if the # was at the beginning
7051 of the line here. Issue -pedantic warnings for extended
7052 directives here. Warn about K+R directives with the #
7053 indented, and C89/extended directives with the # not indented,
7055 (do_import, do_include_next, do_warning, do_ident, do_sccs,
7056 do_assert, do_unassert): Don't issue pedantic warning here.
7058 * cpphash.h: Add CPP_WTRADITIONAL macro.
7059 * cpplib.h (struct cpp_options): Rename warn_stringify to
7060 warn_traditional; update comments.
7061 * cppinit.c (handle_option): Set warn_traditional not
7063 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
7064 CPP_WTRADITIONAL (pfile).
7065 * cpplex.c (_cpp_lex_token): Don't decide if directives should
7066 be ignored in -traditional mode here.
7068 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
7069 to initialize speccase[] and trigraph_map[]. Delete all
7070 references to pfile->input_speccase. Always treat '?' as a
7071 special character. Remove table-initialization code from
7072 _cpp_init_input_buffer.
7074 * cpplib.h (struct cpp_reader): Remove input_speccase field.
7075 * cppinit.c (cpp_cleanup): Don't free input_speccase.
7077 2000-04-01 Richard Henderson <rth@cygnus.com>
7079 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
7080 (mostlyclean): Likewise.
7082 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
7083 (struct dump_file_info, enum dump_file_index, dump_file): New.
7084 (open_dump_file): Take a dump_file_index not a suffix, and a decl
7085 not a string. Clean out file if we havn't yet done so. Do nothing
7086 if the dump isn't enabled.
7087 (close_dump_file): Do nothing if the dump isn't open. Dump
7088 graph data if requested.
7089 (dump_rtl, clean_dump_file): Remove.
7090 (compile_file): Don't clean the dump files. Only finalize .bp dump
7091 if flag_test_coverage or flag_branch_probabilities. Only finalize
7092 .combine dump if optimizing. Iterate over dump_file to finalize the
7094 (rest_of_compilation): Update for open_dump_file/close_dump_file.
7095 Convert all uses of dump_rtl.
7096 (decode_d_option): Iterate over dump_file to implement 'a' and to
7097 locate pass-specific dumps.
7099 2000-04-01 Neil Booth <NeilB@earthling.net>
7101 * cppexp.c: Redefine priority constants.
7102 (_cpp_parse_expr): Replace left and right priority scheme with
7103 single priority logic. Move LOGICAL to same place as COMPARE.
7104 Remove bogus check for multiple unary +/- operators.
7106 2000-04-01 Neil Booth <NeilB@earthling.net>
7108 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
7109 within the switch statement. Binary operations break out of
7110 the switch naturally. '(' tokens handled by forcing
7111 immediate shift. ')' handled by forcing immediate reduce to
7112 the previous '('. New error messages.
7114 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7116 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7117 part', it's already in use. Use %K instead. Add a return at the
7118 end of what is now %K.
7119 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7121 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7123 * builtins.c (expand_builtin_apply): Pass proper parameters to
7124 allocate_dynamic_stack_space.
7125 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7126 update stack_pointer_delta; do not update arg_size_so_far.
7127 (compute_argument_block_size): Use stack_delta instead of
7128 stack_pointer_pending and arg_size_so_far.
7129 (expand_call): Add sanity checking for stack_pointer_delta;
7130 save and restore stack_pointer_delta for SIB, use
7131 stack_pointer_delta for alignment; do not update arg_space_so_far.
7132 (emit_library_call_value): Use stack_pointer_delta for alignment.
7133 (store_one_arg): Do not update arg_space_so_far.
7134 * explow.c (adjust_stack, anti_adjust_stack): Update
7135 stack_pointer_delta.
7136 (allocate_dynamic_stack_space): Add sanity checking for
7137 stack_pointer_delta.
7138 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7139 stack_pointer_delta.
7140 (emit_push_insn): Update stack_pointer_delta.
7141 * function.h (struct expr_status): Add x_stack_pointer_delta;
7142 remove x_arg_space_so_far.
7143 (arg_space_so_far): Remove.
7144 (stack_pointer_delta): New macro.
7146 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7148 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7149 Reorder struct cpp_options and struct cpp_reader for better
7150 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7151 takes two args. Change all 'char' flags to 'unsigned char'.
7152 Move show_column flag into struct cpp_options. Don't
7153 prototype cpp_options_init.
7154 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7155 cppinit.c, cpplex.c, cpplib.c:
7156 Replace CPP_OPTIONS (pfile)->whatever with
7157 CPP_OPTION (pfile, whatever), and likewise for
7158 opts = CPP_OPTIONS (pfile); ... opts->whatever;
7160 * cppinit.c (merge_include_chains): Take a cpp_reader *.
7161 Extract CPP_OPTION (pfile, pending) and work with that
7163 (cpp_options_init): Delete.
7164 (cpp_reader_init): Turn on on-by-default options here.
7165 Allocate the pending structure here.
7166 (cl_options, enum opt_code): Define these from the same table,
7167 kept in a large macro. Add -fshow-column and -fno-show-column
7170 * cpperror.c (v_message): If show_column is off, don't print
7173 * cppmain.c: Update for new interface.
7174 * fix-header.c: Likewise.
7176 2000-03-30 Geoff Keating <geoffk@cygnus.com>
7178 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
7180 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
7181 are passed to any invocation of AR_FOR_TARGET.
7182 (AR_CREATE_FOR_TARGET): New macro.
7183 (AR_EXTRACT_FOR_TARGET): New macro.
7184 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7185 AR_EXTRACT_FOR_TARGET.
7186 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7187 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7188 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7189 AR_EXTRACT_FOR_TARGET to sub-makes.
7191 2000-03-31 Neil Booth <NeilB@earthling.net>
7193 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7195 (_cpp_parse_expr): Check for multiple unary +/- operators.
7196 Correct priorities of ':' and '?'. Treat ')' as having a
7197 value. Ensure conditional expression is not void.
7199 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7201 * alias.c (canon_rtx): Make it global.
7202 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7204 * cse.c (struct table_elt): Add canon_exp.
7206 (invalidate): Canonicalize expressions only once.
7207 * rtl.h (canon_rtx): Declare.
7209 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7211 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7212 * alias.c (reg_known_value): Add comments.
7213 (init_alias_analysis): Likewise.
7214 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7216 (cse_basic_block): Fix typo in comment.
7217 * emit-rtl.c: Include hashtab.h.
7218 (const_int_htab): New variable.
7219 (const_int_htab_hash): New function.
7220 (const_int_htab_eq): Likewise.
7221 (rtx_htab_mark_1): Likewise.
7222 (rtx_htab_mark): Likewise.
7223 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7224 (unshare_all_rtx): Fix formatting.
7225 (init_emit_once): Initialize const_int_htab.
7226 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7228 * rtl.texi: Document the fact that all CONST_INTs with the same
7231 2000-03-30 Richard Henderson <rth@cygnus.com>
7233 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7235 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7237 * configure.in: Comment out --enable-c-cpplib stanza.
7238 * configure: Regenerate.
7240 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7242 * expr.c (store_constructor): Properly compute displacement and
7243 alignment when offset is variable.
7245 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7246 cases of alignment in bytes.
7248 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7250 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7251 since it is used to generate c-parse.y.
7252 * objc-parse.c, objc-parse.y: Regenerated.
7254 * function.c (expand_function_end): Pass alignment argument to
7255 emit_block_move in bits, not bytes.
7257 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7259 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7262 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7264 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7265 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7266 * function.c (assign_parms): Likewise.
7267 * integrate.c (expand_inline_function): Likewise.
7268 * stmt.c (expand_decl): Likewise.
7269 (copy_rtx_and_substitute): Likewise.
7270 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7271 (clear_by_pieces): Fix error in last change.
7272 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7273 * function.h (regno_pointer_align): Now unsigned.
7274 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7276 * config/i386/i386.c (aligned_operand): Likewise.
7277 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7278 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7279 (unaligned_memory_operand): Likewise.
7280 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7281 Also make alignments and sizes unsigned and some whitespace cleanup.
7282 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7284 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7285 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7286 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7287 (expand_builtin_memset): Likewise, but to clear_storage.
7288 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7289 (restore_fixed_argument_area): Likewise.
7290 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7291 (load_register_parameters): Likewise, to emit_group_load.
7292 (expand_call): Likewise, to emit_group_store and emit_block_move.
7293 (emit_library_call_value_1): Likewise, to emit_block_move.
7294 (store_one_arg): Likewise, and to emit_push_insn.
7295 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7296 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7297 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7298 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7299 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7300 (expand_assigment, store_expr, store_constructor_field): Likewise.
7301 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7302 (store_constructor, store_field, get_inner_reference): Likewise.
7303 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7304 (expand_expr, case COMPONENT_REF): Likewise.
7305 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7306 and positions; reindent code.
7307 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7308 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7309 (assign_parms): Likewise to emit_group_store.
7310 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7311 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7312 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7313 (expand_return): Likewise to {extract,store}_bit_field.
7314 * stor-layout.c (get_mode_alignment): Minor cleanup.
7315 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7316 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7318 2000-03-29 Nick Clifton <nickc@cygnus.com>
7320 * config/arm/arm.h: Undo effects of previous delta:
7321 (ASM_SPEC): Do not define.
7322 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7324 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7327 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7329 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7330 only after reading in the primary source file.
7332 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7334 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7335 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7336 or a reference to a va_list.
7337 * builtins.c (stabilize_va_list): Simplify now we don't have to
7338 work around C array address decay.
7339 * c-typeck.c (convert_for_assignment): Handle assignment to
7340 a reference parameter by taking the address of the RHS.
7341 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7342 (va_copy): Likewise.
7343 (__va_copy): Likewise.
7344 * ginclude/varargs.h (va_start): Likewise.
7345 (__va_copy): Likewise.
7347 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7349 * i386/djgpp.h: Remove extraneous "+".
7351 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7353 * calls.c (expand_call): Fix typo in last change.
7355 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7357 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7360 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7362 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7363 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7364 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7365 * tree.c (bit_position, byte_position): Likewise.
7366 * tree.h: Declare new functions.
7368 2000-03-29 Nick Clifton <nickc@cygnus.com>
7370 * config/arm/arm.c: Minor formatting changes/
7371 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7373 (ASM_SPEC): Define if not already defined.
7375 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7377 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7380 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7382 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7383 value, don't output it as unsigned.
7385 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7387 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7389 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7391 * c-common.c (c_common_nodes_and_builtins): Don't special case
7392 cplus_mode when declaring builtin bzero/bcmp, always avoid
7393 prototype arguments.
7395 2000-03-29 Bruce Korb <bkorb@gnu.org>
7397 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7400 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7402 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7403 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7404 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7405 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7406 (save_fixed_argument_area, restore_fixed_argument_area):
7407 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7408 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7409 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7410 (precompute_register_parameters): Avoid #ifdefs on
7411 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7412 (stire_one_args): Likewise.
7413 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7414 (emit_library_call_value_1): Likewise.
7415 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7416 ACCUMULATE_OUTGOING_ARGS.
7417 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7419 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7420 (use_crosses_set_p): Likewise.
7421 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7422 #define ACCUMULATE_OUTGOING_ARGS 1.
7423 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7425 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7427 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7428 (TARGET_SWITCHES): Add push-args, no-push-args,
7429 accumulate-outgoing-args and no-accumulate-outgoing-args.
7430 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7431 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7432 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7434 (emit_push_insn): Likewise.
7435 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7436 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7437 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7438 (STACK_DYNAMIC_OFFSET): Define correctly for both
7439 ACCUMULATE_OUTGOING_ARGS and normal mode.
7440 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7441 * tm.texi (PUSH_ARGS): Document.
7442 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7444 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7446 * flags.h (flag_optimize_sibling_calls): Declare.
7447 * calls.c (expand_call): Fail sibcall when
7448 !flag_optimize_sibling_calls
7449 * invoke.texi (flag_optimize_sibling_calls): Document.
7450 * toplev.c (flag_optimize_sibling_calls): New global variable.
7451 (f_options): Add flag_optimize_sibling_calls.
7452 (rest_of_compilation): Conditionize
7453 optimize_sibling_and_tail_recursive_calls by
7454 flag_optimize_sibling_calls.
7455 (main): Set flag_optimize_sibling_calls for -O2.
7456 * stmt.c (expand_return): Conditionize tail recursion by
7457 flag_optimize_sibling_calls.
7459 2000-03-29 Richard Henderson <rth@cygnus.com>
7461 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7462 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7464 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7466 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7468 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7470 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7472 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7473 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7474 * config/rs6000/aix.h: then modified likewise.
7476 2000-03-28 Richard Henderson <rth@cygnus.com>
7478 * rtl.h: Redistribute enum reg_note documentation.
7479 Kill trailing whitespace.
7480 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7481 Kill trailing whitespace.
7483 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7485 * cppfiles.c (hash_IHASH): Just return i->hash.
7486 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7487 htab_find_with_hash.
7488 (cpp_read_file): Likewise.
7489 (find_include_file): Likewise. Properly initialize
7490 ih->nshort. Share ih->name and ih->nshort if possible.
7491 * cpphash.c (_cpp_calc_hash): New function.
7492 (hash_HASHNODE): Just return h->hash.
7493 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7494 htab_find_with_hash.
7495 * cpphash.h: Prototype _cpp_calc_hash.
7496 * cppinit.c (initialize_builtins): Provide a valid hash
7497 to _cpp_make_hashnode, using _cpp_calc_hash.
7499 * cpphash.c (collect_expansion): # is not a special character
7500 in object-like macros. In -traditional mode, /**/ is not
7501 token paste at the beginning or end of the line.
7502 * cpplib.c (do_include, do_import, do_include_next): If
7503 parse_include fails, return immediately.
7505 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7507 * config/arm/arm.md (return peepholes): Update to reflect the new
7509 * config/arm/arm.c (arm_volatile_func): Also check
7510 current_function_nothrow.
7511 (output_return_instruction, output_func_prologue): Use it.
7512 (arm_output_epilogue, arm_expand_prologue): Likewise.
7514 2000-03-27 Tom Tromey <tromey@cygnus.com>
7516 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7519 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7521 * expr.c (store_constructor): SIZE now signed.
7522 For EXPR_SIZE, don't evaluate size; just needed if constant.
7523 * fold-const.c (fold): Fix a number of cases when folded tree is
7525 * function.c (flush_addressof): Reenable.
7526 * tree.h (flush_addressof): Likewise.
7527 * toplev.c (independent_decode_option): Look at strings_processed.
7528 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7530 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7532 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7533 Allow stack adjustment after function call.
7535 * regmove.c (struct csa_memlist): Make mem field rtx *.
7536 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7537 (try_apply_stack_adjustment): Replace whole MEM rtx.
7538 (combine_stack_adjustments_for_block): Update calls
7539 to record_one_stack_ref.
7541 2000-03-28 Neil Booth <NeilB@earthling.net>
7543 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7544 '\\' rather than a null character, so nulls are not special. Fix
7545 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7546 speed trigraph conversion.
7547 (_cpp_init_input_buffer): Initialize trigraph map.
7549 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7551 * config/i386/i386.c (output_387_binary_op): Correct intel
7552 mode assembly output, and add spaces after commas in AT&T
7553 output. Correct Unixware assembler comment. Document input
7554 constraints. Comment fp operations. Reduce profligate buffer
7555 size. Remove extraneous abort. Localize temp var.
7556 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7557 (output_fix_trunc): Add spaces after commas in assembly output.
7559 2000-03-27 Richard Henderson <rth@cygnus.com>
7561 * i386-protos.h (ix86_match_ccmode): Declare.
7562 * i386.c (ix86_match_ccmode): New.
7563 (ix86_expand_fp_compare): Update for pattern renames.
7564 (ix86_expand_strlensi_unroll_1): Likewise.
7565 * i386.h (EXTRA_CC_MODES): Add CCZ.
7566 (SELECT_CC_MODE): Use it for EQ/NE zero.
7567 * i386.md (cmpsi_ccz_1): New.
7569 (*testsi_ccz_1): New.
7570 (testqi_ccz_1): New.
7571 (cmpsi_ccno_1): Rename from cmpsi_0.
7572 (testsi_ccno_1): Rename from testsi_1.
7573 (testqi_ccno_1): Rename from testqi_1.
7574 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7575 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7576 (*cmphi_0): Use ix86_match_ccmode.
7577 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7578 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7579 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7580 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7581 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7582 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7583 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7584 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7585 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7586 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7587 (appropriate peepholes): Likewise.
7588 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7589 (*subsi_3, *subhi_3, *subqi_3): Remove.
7590 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7591 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7592 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7593 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7594 (x86_shift_adj_1): Use CCZ.
7595 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7597 2000-03-27 Stan Cox <scox@cygnus.com>
7599 * resource.h (mark_resource_type): New.
7600 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7601 find_free_register): Use mark_resource_type.
7602 (mark_set_resources): Change include_delayed_effects
7603 to mark_resource_type.
7604 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7605 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7606 Use mark_resource_type.
7608 2000-03-27 Richard Henderson <rth@cygnus.com>
7610 * i386.md (call_pop_0, call_value_pop_0): New.
7611 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7612 (call_value_pop_1): Likewise.
7613 (call_0, call_value_0): New.
7614 (call_1, call_value_1): Remove constraint from unused arg.
7616 2000-03-27 Nick Clifton <nickc@cygnus.com>
7618 * invoke.texi (Spec Files): Document new spec % command created by
7619 Tom Tromey's recent patch.
7621 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7623 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7626 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7628 * expr.c (expand_assignment): Fix typo in last change.
7630 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7632 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7634 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7635 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7636 and DECL_INLINE if FUNCTION_DECL.
7637 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7638 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7639 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7640 (combine_parm_decls): Likewise.
7641 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7642 * print-tree.c (print_node): Likewise.
7643 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7644 DECL_TRANSPARENT_UNION on proper decl types.
7645 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7646 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7647 DECL_BIT_FIELD of FIELD_DECL.
7648 * tree.h (DECL_RESULT_FLD): New macro.
7650 * expr.c (expand_assignment): Add code to handle variable-sized
7653 2000-03-26 Richard Henderson <rth@cygnus.com>
7655 * calls.c (expand_call): Pass parms not original exp to
7656 optimize_tail_recursion. Mind return value instead of looking
7658 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7659 call_expr. Move checks for call_expr and current_function_decl ...
7660 (expand_return): ... here.
7662 2000-03-26 Tom Tromey <tromey@cygnus.com>
7664 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7665 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7667 (process_command): Use them.
7668 (check_live_switch): Likewise.
7669 (give_switch): Skip ignored switches.
7671 2000-03-26 Jan Hubicka <jh@suse.cz>
7673 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7674 for minimal jump pass test.
7676 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7678 * integrate.c (function_cannot_inline_p): Do inline functions that
7681 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7683 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7684 now a list of TREE_LIST entries, not types.
7685 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7687 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7688 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7690 * config/mips/mips.c (function_arg): Likewise; also remove cast
7691 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7692 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7693 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7694 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7695 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7696 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7697 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7698 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7699 num_adjusts now unsigned.
7700 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7701 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7703 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7704 as is BITPOS variable; use host_integerp and int_bit_position.
7705 (function_arg_record_value_2): Likewise.
7706 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7707 Variable REGNO now unsigned.
7708 (function_arg_record_value): NREGS now unsigned.
7710 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7712 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7714 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7716 * Rework fields used to describe positions of bitfields and
7717 modify sizes to be unsigned and use HOST_WIDE_INT.
7718 * alias.c (reg_known_value_size): Now unsigned.
7719 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7720 (really_start_incremental_init): Use bitsize_zero_node.
7721 (push_init_level, pop_init_level, output_init_element): Likewise.
7722 Use bitsize_unit_node and bitsize_one_node.
7723 (output_pending_init_elements, process_init_element): Likewise.
7724 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7725 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7726 HOST_WIDE_INT, respectively.
7727 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7728 (num_sign_bit_copies): Returns unsigned.
7729 BITWIDTH now unsigned; rework arithmetic.
7730 Remove recursive call from arg to MAX.
7731 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7732 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7734 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7735 (find_split_point, expand_compound_operation, make_extraction): LEN
7736 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7737 (make_field_assignment): Likewise.
7738 (combine_simplify_rtx): Add cast.
7739 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7740 (force_to_mode): WIDTH now unsigned; add cast.
7741 (if_then_else_cond): SIZE now unsigned.
7742 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7743 (extended_count): Now returns unsigned.
7744 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7745 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7746 (simplify_comparison): MODE_WIDTH now unsigned.
7747 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7748 (mark_used_regs_combine): Likewise; rework arithmetic.
7749 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7750 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7751 (record_promoted_value): REGNO now unsigned.
7752 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7753 (get_last_value): REGNO now unsigned.
7754 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7755 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7756 (remove_death): Arg REGNO now unsigned.
7757 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7758 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7760 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7761 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7762 (struct cse_reg_info): REGNO now unsigned.
7763 (cached_regno): Now unsigned.
7764 (REGNO_QTY_VALID_P): Add cast.
7765 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7766 (remove_invalid_regs): Likewise.
7767 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7768 as are variables END and I.
7769 (get_cse_reg_info, insert): Likewise.
7770 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7771 (canon_hash): Likewise.
7772 (insert_regs, lookup_for_remove): REGNO now unsigned.
7773 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7775 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7776 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7777 * emit-rtl.c (subreg_realpart_p): Add cast.
7778 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7779 (operand_subword_force): Arg I is now unsigned.
7780 * except.c (eh_regs): Variable I is now unsigned.
7781 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7782 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7783 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7784 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7785 (extract_split_bit_field, store_bit_field, extract_bit_field):
7787 * expr.c (store_constructor_fields, store_constructor, store_field):
7788 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7789 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7790 (do_jump): Likewise.
7791 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7792 MAX_SIZE is now unsigned.
7793 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7794 (emit_group_store): Likewise.
7795 (emit_move_insn): I now unsigned.
7796 (store_constructor): Use host_integerp, tree_low_cst, and
7798 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7799 Rework all calculations to use trees and new fields.
7800 * expr.h (promoted_input_arg): Regno now unsigned.
7801 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7802 (mark_seen_cases): Arg is HOST_WIDE_INT.
7803 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7804 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7805 precisions and alignments are unsigned.
7806 (optimize_bit_field_compare, fold_truthop): Likewise.
7807 (int_const_binop): Adjust threshold for size_int_type_wide call.
7808 (fold_convert): Likewise.
7809 (size_int_type_wide): Make table larger and fix thinko that only
7810 had half of table used.
7811 (all_ones_mask_p, fold): Precisions are unsigned.
7812 * function.c (put_reg_info_stack): REGNO is unsigned.
7813 (instantiate_decl): Size is HOST_WIDE_INT.
7814 (instantiate_virtual_regs): I is unsigned.
7815 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7816 (promoted_input_arg): REGNO is unsigned.
7817 * function.h (struct function): x_max_parm_reg is now unsigned.
7818 * gcse.c (max_gcse_regno): Now unsigned.
7819 (struct null_pointer_info): min_reg and max_reg now unsigned.
7820 (lookup_set, next_set): REGNO arg now unsigned.
7821 (compute_hash_table): REGNO and I now unsigned.
7822 (handle_avail_expr): regnum_for_replacing now unsigned.
7823 (cprop_insn): REGNO now unsigned.
7824 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7825 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7826 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7827 * hard-reg-set.h (reg_class_size): Now unsigned.
7828 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7829 * jump.c (mark_modified_reg): I now unsigned; add cast.
7830 (rtx_equal_for_thread_p): Add cast.
7831 * loop.c (max_reg_before_loop): Now unsigned.
7832 (struct_movable): REGNO now unsigned.
7833 (try_copy_prop): REGNO arg unsigned.
7834 (regs_match_p): XN and YN now unsigned.
7835 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7836 (strength_reduce): Likewise; NREGS also unsigned.
7837 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7838 * loop.h (struct iv_class): REGNO now unsigned.
7839 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7841 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7842 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7843 * optabs.c (expand_binop): I and NWORDS now unsigned.
7844 (expand_unop): I now unsigned.
7845 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7846 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7847 * real.c (significand_size): Now returns unsigned.
7848 * real.h (significand_size): Likewise.
7849 * regclass.c (reg_class_size): Now unsigned.
7850 (choose_hard_reg_mode): Both operands now unsigned.
7851 (record_reg_classes): REGNO and NR now unsigned.
7852 (reg_scan): NREGS now unsigned.
7853 (reg_scan_update): old_max_regno now unsigned.
7854 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7855 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7856 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7857 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7858 Likewise for variable R.
7859 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7860 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7861 (find_equiv_reg): Add casts.
7862 (regno_clobbered_p): Arg REGNO now unsigned.
7863 * reload.h (struct reload): NREGS now unsigned.
7864 (refers_to_regno_for_reload_p): Regno args are unsigned.
7865 (regno_clobbered_p): Likewise.
7866 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7867 (compute_use_by_pseudos): REGNO now unsigned.
7868 (find_reg): I and J now unsigned, new variable K, and change loop
7869 variables accordingly; THIS_NREGS now unsigned.
7870 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7871 (spill_hard_reg): REGNO arg now unsigned; add casts.
7872 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7873 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7874 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7875 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7876 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7877 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7878 (emit_reload_insns): REGNO now unsigned.
7879 (reload_cse_move2add): Add cast.
7880 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7882 * resource.c (mark_referenced_resources, mark_set_resources): New
7883 variable R; REGNO and LAST_REGNO now unsigned.
7884 (mark_target_live_regs): J and REGNO now unsigned.
7885 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7886 * rtl.h (union rtunion_def): New field rtuint.
7887 (XCUINT): New macro.
7888 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7889 (operand_subword, operand_subword_force): Word number is unsigned.
7890 (choose_hard_reg_mode): Operands are unsigned.
7891 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7892 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7893 (regno_use_in, combine_instructions, remove_death): Likewise.
7894 (reg_scan, reg_scan_update): Likewise.
7895 (extended_count): Return is unsigned.
7896 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7897 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7898 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7899 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7900 (reg_reg_last_1): FIRS and LAST now unsigned.
7901 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7902 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7904 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7905 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7906 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7907 (replace_regs): Arg NREGS now unsigned.
7908 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7909 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7910 (simplify_binary_operation): Likewise.
7911 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7912 THIS_LAST now unsigned.
7913 (cselib_record_set): Add cast.
7914 * ssa.c (ssa_max_reg_num): Now unsigned.
7915 (rename_block): REGNO now unsigned.
7916 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7918 (all_cases_count): Just return -1 not -2.
7919 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7920 Rework tests to use trees whenever possible.
7921 Use host_integerp and tree_low_cst.
7922 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7923 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7924 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7925 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7926 (smallest_mode_for_size): Likewise.
7927 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7928 KNOWN_ALIGN is now an alignment, so simplify code.
7929 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7930 (start_record_layout): Renamed from new_record_layout_info.
7931 Update to new fields.
7932 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7934 (place_union_field): Renamed from layout_union_field.
7935 Update to use new fields in rli.
7936 (place_field): Renamed from layout_field.
7937 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7938 (finalize_record_size): Rework to use new fields in rli and handle
7940 (compute_record_mode): Rework to simplify and to use new DECL fields.
7941 (finalize_type_size): Make rounding more consistent.
7942 (finish_union_layout): Deleted.
7943 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7944 (layout_type, case RECORD_TYPE): Call new function names.
7945 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7946 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7947 (get_best_mode): UNIT is now unsigned; remove casts.
7948 * tree.c (bit_position): Compute from new fields.
7949 (byte_position, int_byte_position): New functions.
7950 (print_type_hash_statistics): Cast to remove warning.
7951 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7952 (build_index_type): Likewise; make subtype of sizetype.
7953 (build_index_2_type): Pass sizetype to build_range_type.
7954 (build_common_tree_nodes): Use size_int and bitsize_int to
7955 initialize nodes; add bitsize_{zero,one,unit}_node.
7956 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7957 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7958 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7959 (DECL_FIELD_BITPOS): Deleted.
7960 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7961 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7962 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7963 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7964 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7965 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7966 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7967 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7968 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7969 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7970 (DECL_ALIGN): Adjust to new field in union.
7971 (DECL_OFFSET_ALIGN): New field.
7972 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7973 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7974 (union tree_decl): Add struct for both aligns.
7975 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7976 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7977 (struct record_layout_info): Rework fields to have offset
7978 alignment and byte and bit position.
7979 (start_record_layout, place_field): Renamed from old names.
7980 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7981 (byte_position, int_byte_position): Likewise.
7982 (get_inner_reference): Change types of position and length.
7983 * unroll.c (unroll_loop): New variable R; use for some loops.
7984 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7985 (calculate_giv_inc): Arg REGNO now unsigned.
7986 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7987 * varasm.c (assemble_variable): Clean up handling of size using
7988 host_integerp and tree_low_cst.
7989 (decode_addr_const): Use byte, not bit, position.
7990 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7991 use tree_low_cst and int_bit_position.
7992 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7994 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7996 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7997 (reorder_block_def): New members eff_head and eff_end.
7998 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7999 (verify_insn_chain): New function.
8000 (skip_insns_between_block): Add code to skip deleted insns.
8001 Check for note before using.
8002 (chain_reorder_blocks): Replace calls to skip_insns_between_block
8003 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
8004 Check for note before using.
8005 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
8006 (fixup_reorder_chain): Restructure, clean up, defect removal.
8007 (reorder_basic_blocks): Remove last_insn and references to it.
8008 Moved insn chain verification code into a new function (see above).
8009 Delete defective code that sets last insn.
8010 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
8013 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8015 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
8017 2000-03-24 Richard Henderson <rth@cygnus.com>
8019 * tree.c (lang_safe_for_unsave): Remove.
8020 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
8021 allowing for two levels of unsafeness. Remove lang hook.
8022 * tree.h: Update declarations.
8023 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
8024 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
8025 Always fail sibcalls when there are pending cleanups.
8027 2000-03-24 Geoff Keating <geoffk@cygnus.com>
8029 * flow.c (propagate_block): When we delete an ADDR_VEC,
8030 also delete the BARRIER following it if there is one.
8032 2000-03-24 Richard Henderson <rth@cygnus.com>
8034 * builtins.c (expand_builtin_bzero): Convert `length' argument
8037 2000-03-24 Jakub Jelinek <jakub@redhat.com>
8039 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
8040 comparison if regno's are equal.
8041 * calls.c (initialize_argument_informat): Add ecf_flags argument.
8042 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8043 (expand_call): Update caller.
8044 Avoid making a sibling call if argument size of the callee is larger
8045 than argument size of the caller.
8046 Call hard_function_value with outgoing set if in sibcall pass.
8047 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8049 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
8050 Change LEAF_REGISTERS from an array initializer to actual array
8051 identifier. Move static global variable into the function.
8052 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
8053 sequences for leaf functions.
8054 * global.c (global_alloc): Likewise.
8055 * tm.texi (LEAF_REGISTERS): Update documentation.
8057 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
8058 TARGET_FLAT leaf disabling hack.
8059 (LEAF_REGISTERS): Changed from an array initializer to actual array
8060 identifier to avoid duplication and remove the above hack.
8061 (FUNCTION_OK_FOR_SIBCALL): Define.
8062 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
8063 always like call attribute.
8064 (eligible_for_sibcall_delay): New attribute.
8065 (sibcall): New delay type.
8066 (sibcall, sibcall_value, sibcall_epilogue): New expands.
8067 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
8068 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
8069 * config/sparc/sparc.c (sparc_leaf_regs): New array.
8070 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
8072 (output_function_epilogue): Move part of the code into
8073 output_restore_regs.
8074 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
8076 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
8079 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
8080 until infrastructure is finished.
8082 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
8084 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
8085 (save_parm_insns): Not here.
8087 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8089 * builtins.c (expand_builtin_bzero): New function.
8090 (expand_builtin): Handle bzero.
8092 * builtins.def: Add BUILT_IN_BZERO.
8094 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8095 prototype & function for bzero.
8097 2000-03-23 Michael Meissner <meissner@redhat.com>
8099 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
8100 change adding TARGET_FP to the TF floating point insns, except for
8101 trunctfsf2, which generates direct calls to truncdfsf2.
8103 2000-03-23 Geoff Keating <geoffk@cygnus.com>
8105 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
8106 try to protect against middle-end changes that break binary
8108 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8110 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8112 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
8114 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8116 * calls.c (expand_call): If TARGET is passed by reference and
8117 is readonly, write a CLOBBER.
8119 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8121 * builtins.c (expand_builtin): Handle bcmp.
8123 * builtins.def: Add BUILT_IN_BCMP.
8125 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8126 prototype & function for bcmp.
8128 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8130 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8131 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8132 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8134 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8136 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8137 alternative when using -fp64 -gp32.
8139 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8141 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8142 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8143 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8145 * frame.h (frame_state): Revert last change.
8146 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8147 * libgcc2.c (throw_helper): Revert last change.
8149 2000-03-22 Richard Henderson <rth@cygnus.com>
8151 * stmt.c (expand_asm_operands): Don't promote the temporary.
8153 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8155 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8156 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8157 c_get_alias_set): Likewise.
8158 * c-decl.c (duplicate_decls): Likewise.
8159 * c-typeck.c (default_conversion,build_unary_op): Likewise.
8160 * calls.c (initialize_argument_information): Likewise.
8161 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
8163 * dwarfout.c (decl_class_context,output_type): Likewise.
8164 * expr.c (get_inner_reference): Likewise.
8165 * fold-const.c (simple_operand_p,fold): Likewise.
8166 * function.c (aggregate_value_p): Likewise.
8167 * stmt.c (expand_asm_operands): Likewise.
8168 * varasm.c (named_section): Likewise.
8170 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8172 Implement dwarf2 exception handling for the ARM.
8173 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
8174 (DWARF_FRAME_RETURN_COLUMN): Define.
8175 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
8176 REG_FRAME_RELATED_EXPR note.
8177 (emit_sfm): Likewise.
8178 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
8179 * dwarf2out.c (reg_save): Handle saving a register to itself.
8180 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
8181 * except.c (eh_regs): Don't use the static chain reg if it's
8183 * frame.h (frame_state): Add cfa_saved field.
8184 * frame.c (execute_cfa_insn): Set it.
8185 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8187 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8189 (instantiate_virtual_regs): Adjust.
8191 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8192 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8193 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8195 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8196 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8198 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8200 * builtins.def: New file.
8202 * Makefile.in (TREE_H): Depend on builtins.def.
8204 * builtins.c (built_in_names): Use builtins.def.
8206 * tree.h (built_in_function): Likewise.
8208 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8210 * tree.c (size_in_bytes): Return size_zero_node, not
8213 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8215 * config/fp-bit.c (pack_d): Correct the case when a denormal
8216 is rounded up and stops being denormal.
8218 2000-03-21 Richard Henderson <rth@cygnus.com>
8220 * config/alpha/alpha.c (function_arg): Check for void_type_node
8221 before using MUST_PASS_IN_STACK.
8223 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8225 * regmove.c (combine_stack_adjustments_for_block): Check that
8226 the stack pointer is a valid memory address.
8228 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8230 * calls.c: re-install Mar 16 emit_library_call merge.
8232 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8234 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8235 we cannot be sure that if reload_completed base register will
8236 be properly aligned.
8238 2000-03-21 Richard Henderson <rth@cygnus.com>
8240 * flow.c (delete_block): Fix typo last change.
8242 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8244 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8245 not COMPLETE_TYPE_P, to check the type of the expression.
8247 2000-03-21 Michael Meissner <meissner@redhat.com>
8249 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8250 all floating point insns that just tested the macro
8251 TARGET_HAS_XFLOATING_LIBS.
8252 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8253 used to only use the gprs.
8255 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8257 * tree.h (COMPLETE_TYPE_P): New macro.
8258 (COMPLETE_OR_VOID_TYPE_P): New macro.
8259 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8260 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8261 * c-aux-info.c (gen_type): Use them.
8262 * c-common.c (c_expand_expr_stmt): Likewise.
8263 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8264 grokdeclarator, grokparms, finish_struct, start_function,
8265 store_parm_decls, combine_parm_decls): Likewise.
8266 * c-parse.y (cast_expr): Likewise.
8267 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8268 c_size_in_bytes, c_alignof, build_component_ref,
8269 build_indirect_ref, build_array_ref, convert_arguments,
8270 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8271 * calls.c (initialize_argument_information): Likewise.
8272 * convert.c (convert_to_integer): Likewise.
8273 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8274 * dwarfout.c (location_or_const_value_attribute,
8275 output_enumeration_type_die, output_structure_type_die,
8276 output_union_type_die, output_type): Likewise.
8277 * expr.c (safe_from_p, expand_expr): Likewise.
8278 * function.c (assign_parms): Likewise.
8279 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8280 * tree.c (build_array_type, build_function_type,
8281 build_method_type, build_offset_type, build_complex_type): Likewise.
8282 * c-parse.c, c-parse.h: Regenerated.
8284 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8286 * config/c4x/rtems.h: Include config/rtems.h.
8288 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8290 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8291 decl is a FUNCTION_DECL
8293 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8295 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8296 function uses output registers. Don't save RP for leaf functions.
8297 Do save RP even if no epilogue.
8298 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8299 (CALL_USED_REGISTERS): Unmark in registers.
8300 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8303 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8305 * config/rs6000/rs6000.md (bunordered): New expander.
8306 (bordered): New expander.
8307 (buneq): New expander.
8308 (bunge): New expander.
8309 (bungt): New expander.
8310 (bunle): New expander.
8311 (bunlt): New expander.
8312 (bltgt): New expander.
8314 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8315 (ccr_bit_negated_p): New function.
8316 (print_operand): For %C, generate appropriate cror for UNEQ,
8317 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8319 2000-03-20 Andreas Jaeger <aj@suse.de>
8321 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8324 * tree.h (safe_for_unsave): Prototype.
8326 2000-03-20 Richard Henderson <rth@cygnus.com>
8328 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8329 (combine_stack_adjustments_for_block): Don't allow sp references
8330 in the side of a set we're not fixing up.
8331 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8332 after life_analysis.
8334 2000-03-20 Richard Henderson <rth@cygnus.com>
8336 * calls.c (expand_call): Don't bother generating tail call
8337 sequences if there are pending cleanups. Use
8338 expand_start_target_temps/expand_end_target_temps to elide
8339 cleanups created during sibcall expansion.
8341 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8343 * configure.in: Set $IFS to a value if it doesn't already have one
8344 in the --enable-checking handling.
8345 * configure: Regenerate.
8347 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8349 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8350 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8353 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8355 * jump.c (delete_noop_moves): Remove code attempting to
8356 combine stack adjustments.
8358 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8360 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8361 * except.c (emit_cleanup_handler): Use them.
8362 (expand_end_all_catch): Likewise.
8363 * function.c (fixup_var_refs): Likewise.
8364 (expand_function_end): Clear catch_clauses_last.
8365 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8366 * except.h (struct eh_status): New field x_catch_clauses_last.
8367 (catch_clauses_last): New define.
8369 * Makefile.in (tree.o): Depend on HASHTAB_H.
8370 * tree.c: Include hashtab.h.
8371 (struct type_hash): Remove next field.
8372 (TYPE_HASH_SIZE): Remove.
8373 (TYPE_HASH_INITIAL_SIZE): New define.
8374 (type_hash_table): Change type to htab_t.
8375 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8376 mark_hash_entry): New functions.
8377 (init_obstacks): Allocate type hash.
8378 (type_hash_lookup): Use htab functions.
8379 (type_hash_add, mark_type_hash): Likewise.
8380 (dump_tree_statistics): Call print_type_hash_statistics.
8382 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8384 * rs6000/t-aix41: New file.
8386 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8388 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8390 * tm.texi (Driver): Fix typos and tweak entry for
8392 Move misplaced STRUCT_FORCE_BLK entry ...
8393 (Storage Layout): ... to here.
8394 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8396 2000-03-19 Richard Henderson <rth@cygnus.com>
8398 * flow.c (delete_block): Delete the addr_vec along with the block.
8399 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8402 * fold-const.c (extract_muldiv): Apply type check for defined
8403 overflow to multiply as well as divide.
8405 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8407 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8409 * emit-rtl.c (remove_unncessary_notes): Check that all
8410 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8411 associated NOTE_BLOCK.
8412 * function.h (identify_blocks): Update comments.
8413 (reorder_blocks): Declare.
8414 * function.c (identify_blocks): Don't take paramters.
8415 (reorder_blocks): Don't take parameters.
8416 * loop.h (find_loop_tree_blocks): Remove.
8417 (unroll_block_trees): Likewise.
8418 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8419 reorder_blocks instead of unroll_block_trees.h
8420 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8421 * stmt.c (find_loop_tree_blocks): Remove.
8422 (unroll_block_trees): Likewise.
8423 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8424 in whole-function mode.
8425 * tree.h (reorder_blocks): Remove declaration.
8427 * expr.c: Include intl.h.
8428 * Makefile.in (expr.o): Depend on intl.h.
8430 2000-03-18 Richard Henderson <rth@cygnus.com>
8432 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8434 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8436 * tree.h (tree_index): Remove enumerals for integer types.
8437 (integer_type_kind): New type.
8438 (integer_types): New variable.
8439 (char_type_node): Adjust.
8440 (signed_char_type_node): Likewise.
8441 (unsigned_char_type_node): Likewise.
8442 (short_integer_type_node): Likewise.
8443 (short_unsigned_type_node): Likewise.
8444 (integer_type_node): Likewise.
8445 (unsigned_type_node): Likewise.
8446 (long_integer_type_node): Likewise.
8447 (long_unsigned_type_node): Likewise.
8448 (long_long_integer_type_node): Likewise.
8449 (long_long_unsigned_type_node): Likewise.
8450 * tree.c (integer_types): New variable.
8451 (init_obstacks): Register it as a root.
8453 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8455 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8456 NEXT_INSN. Update last insn in chain.
8458 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8460 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8461 with TYPE_DECL_SUPPRESS_DEBUG set.
8463 2000-03-18 Richard Henderson <rth@cygnus.com>
8465 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8467 2000-03-18 Richard Henderson <rth@cygnus.com>
8469 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8470 care for HALF_PIC_P.
8471 (expander_call_insn_operand): Remove.
8472 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8473 * i386.h (PREDICATE_CODES): Update.
8474 * i386.md (all call expanders): Remove predicates, remove special
8475 handling for half-pic.
8476 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8477 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8478 (sibcall_epilogue): New.
8480 2000-03-17 Richard Henderson <rth@cygnus.com>
8482 * rtlanal.c (single_set): Reject if the parallel has anything
8483 except SET or USE or CLOBBER.
8485 2000-03-17 Jeff Law <law@cygnus.com>
8486 Richard Henderson <rth@cygnus.com>
8488 * Makefile.in (OBJS): Add sibcall.o.
8490 * sibcall.c: New file.
8491 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8492 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8493 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8494 Emit sibcall patterns when requested. Update all callers.
8495 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8496 elimination seems feasable.
8497 * final.c (leaf_function_p): Sibling calls don't discount being
8499 * flow.c (HAVE_sibcall_epilogue): Provide default.
8500 (find_basic_blocks_1): Sibling calls don't throw.
8501 (make_edges): Make edge from sibling call to EXIT.
8502 (propagate_block): Don't remove sibcall_epilogue insns.
8503 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8504 (sibcall_epilogue): New.
8505 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8506 (identify_blocks_1): Likewise. Break out from ...
8507 (identify_blocks): ... here.
8508 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8509 (reorder_blocks): ... here.
8510 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8511 (record_insns): Extend a varray instead of mallocing new memory.
8512 (contains): Read a varray not array of ints.
8513 (sibcall_epilogue_contains): New.
8514 (thread_prologue_and_epilogue_insns): Emit and record
8515 sibcall_epilogue patterns.
8516 (init_function_once): Allocate prologue/epilogue varrays.
8517 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8518 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8520 (save_for_inline_nocopy): ... here.
8521 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8523 (expand_inline_function): ... here.
8524 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8525 (subst_constants): Handle 'n' formats.
8526 * jump.c (jump_optimize_minimal): New.
8527 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8528 optimizations if it's set.
8529 * rtl.c (copy_rtx): Do copy jump & call for insns.
8530 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8531 (SIBLING_CALL_P): New.
8532 (sibcall_use_t): New.
8533 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8534 Invoke optimize_sibling_and_tail_recursive_calls.
8535 * tree.c (lang_safe_for_unsave): New.
8536 (safe_for_unsave): New.
8537 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8539 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8540 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8541 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8543 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8545 * objc/objc-act.c (encode_method_prototype): Pass types, not
8546 PARM_DECLs, to int_size_in_bytes.
8548 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8550 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8552 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8553 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8555 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8557 * Clean up usages of TREE_INT_CST_LOW.
8558 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8559 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8561 * c-tree.h (min_precision): Move declaration to here.
8562 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8563 (build_unary_op, add_pending_init): Use bit_position.
8564 (pending_init_member, process_init_element): Likewise.
8565 (really_start_incremental_init, push_init_level, pop_init_level):
8566 Don't make copies of nodes or modify them in place, use consistent
8567 types when tracking positions, and use tree routines computations.
8568 (set_init_index, output_init_element): Likewise.
8569 (output_pending_init_elements, process_init_element): Likewise.
8570 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8571 tree_low_cst and int_bit_position; also minor cleanup.
8572 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8573 (print_cst_octal): Precision is unsigned.
8574 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8575 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8576 (simple_type_align_in_bits): Result is unsigned int.
8577 Use tree_int_low_cst and host_integerp.
8578 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8579 (field_byte_offset): Result is HOST_WIDE_INT.
8580 Change types of internal variables so alignments are unsigned int,
8581 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8582 Use host_integerp, tree_low_cst, and int_bit_position.
8583 (add_bit_offset_attribute): Likewise.
8584 (add_data_member_location_attribute): Use tree_cst_low.
8585 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8586 (add_bit_size_attribute): Use tree_low_cst.
8587 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8588 * dwarfout.c: Similar changes to dwarf2out.c.
8589 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8590 * genoutput.c (n_occurences): Return -1 for null string.
8591 (strip_whitespace): Accept null string and make into function.
8592 (scan_operands): Reflect above changes.
8593 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8594 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8595 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8596 * tree.c (int_size_in_bytes): Check for too big to represent.
8597 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8598 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8600 (min_precision): Delete from here.
8601 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8602 and int_bit_position.
8603 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8604 (encode_method_def): Likewise.
8605 (build_ivar_list_initializer): Use int_bit_position.
8606 (generate_shared_structures): Convert size.
8607 (encode_type, encode_complete_bitfield): Use integer_zerop.
8608 (encode_bitfield): Use tree_low_cst and int_bit_position.
8610 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8612 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8614 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8616 * call.c (special_function_p): It is only malloc if it returns
8619 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8621 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8622 (C33_FLAG, TARGET_C3X): Add macros.
8623 (TARGET_SWITCHES): Add -m33 option.
8624 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8626 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8628 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8629 (PARALLEL_PACK_FLAG): Delete.
8630 (TARGET_SWITCHES): Update.
8631 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8633 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8635 * fold-const.c (fold): Fix a few cases when the returned result
8636 is not of the same type as the input.
8638 2000-03-16 Nick Clifton <nickc@cygnus.com>
8640 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8643 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8645 * libgcc2.h: Move prototypes above macros with the same name.
8646 Wrap some function prototypes in the conditional which indicates
8647 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8649 2000-03-16 Richard Henderson <rth@cygnus.com>
8651 * calls.c: Revert last two changes.
8653 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8655 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8656 has exponent 0 is a zero.
8658 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8659 HASH may already be nonzero. Add code/mode into hash value
8660 immediately after repeat label.
8661 (cselib_lookup): Don't leave the hash table in an inconsistent
8662 state before a hash lookup operation.
8664 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8666 * i386.md (all HI and QI mode non-move patterns): Conditionize
8667 by TARGET_[HQ]IMODE_MATH.
8668 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8669 x86_promote_qi_regs): Declare.
8670 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8671 TARGET_PROMOTE_QI_REGS): New macros.
8672 (PROMOTE_MODE): New macro.
8673 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8674 x86_promote_qi_regs): New global variables.
8676 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8678 * calls.c (emit_library_call_value_1): Break out from ...; handle
8679 VOIDmode function calls too.
8680 (emit_library_call_value): ... here.
8681 (emit_library_call): Implement by calling emit_library_call_value_1.
8683 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8685 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8686 Update arg_space_so_far on stack adjustments.
8687 (emit_library_call, emit_library_call_value): Likewise; take into
8688 account arg_space_so_far and pending_stack_adjust when calculcating
8691 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8693 * flow.c: Move all basic block reordering code into its own file.
8694 (create_basic_block): Externalize.
8695 * bb-reorder.c: New file. Copy all basic block reordering code from
8696 flow.c to this file.
8697 (reorder_basic_blocks): Fix fencepost error in for-loop.
8698 (reorder_basic_blocks): Remove braces from single statement for-loops.
8699 * basic-block.h: Add declaration for create_basic_block.
8700 * Makefile.in: Add rules for bb-reorder.o.
8702 2000-03-16 Neil Booth <NeilB@earthling.net>
8704 * cppinit.c (handle_option): Implement #unassert directive
8705 as -A- command line option.
8706 (print_help): Update.
8707 * cpptexi.c: Update.
8709 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8711 * md.texi (Standard Names): Document `jump'.
8713 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8715 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8718 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8720 Merge changes from newppc-branch onto trunk.
8722 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8724 * rs6000.c (toc_hash_table): Update for new hash table functions.
8725 (toc_hash_function): Likewise.
8726 (toc_hash_eq): Likewise.
8727 (toc_hash_mark_entry): Likewise.
8728 (toc_hash_mark_table): Likewise.
8729 (output_toc): Likewise.
8730 (rs6000_add_gc_roots): Likewise.
8732 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8734 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8735 (AR_FLAGS_FOR_TARGET): here. New macro.
8737 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8739 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8740 fpmem_operand) Delete.
8742 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8743 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8744 (rs6000_save_machine_status, rs6000_restore_machine_status,
8745 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8746 references to above variables.
8747 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8748 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8749 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8750 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8751 (XER_REGNO_P, XER_REGNO): New.
8752 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8753 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8754 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8756 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8757 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8758 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8760 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8762 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8763 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8764 * rs6000.h: from here.
8766 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8767 (rs6000_select_rtx_section): Likewise.
8768 (rs6000_encode_section_info): Likewise.
8769 (sdata_section): Likewise.
8770 (sdata2_section): Likewise.
8771 (sbss_section): Likewise.
8772 * sysv4.h (rs6000_select_section): Delete prototype.
8773 (rs6000_select_rtx_section): Likewise.
8774 (rs6000_encode_section_info): Likewise.
8775 (sdata_section): Likewise.
8776 (sdata2_section): Likewise.
8777 (sbss_section): Likewise.
8778 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8780 * sysv4.h: Delete various unnecessary #undef's and put a comment
8781 on the remaining ones.
8782 Change various comments according to coding standard.
8784 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8786 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8787 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8788 (CR0_REGNO_P) Remove.
8789 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8790 setup_incoming_varargs, mtcrf_operation, print_operand,
8791 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8792 Use the above macros.
8794 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8796 * config/rs6000/rs6000.md: Added a new alternative for each
8797 pattern that had a 'x' alternative but no 'y' alternative.
8798 Added a new split for each of the above patterns.
8800 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8802 * aix41.h (ASM_CPU_SPEC): Delete.
8803 (CPP_CPU_SPEC): Delete.
8805 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8806 (ASM_OUTPUT_LABEL): Define.
8807 (ASM_GLOBALIZE_LABEL): Define.
8808 (STRIP_NAME_ENCODING): Define.
8809 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8810 (STRIP_NAME_ENCODING): Don't define.
8811 (ASM_OUTPUT_LABEL): Don't define.
8812 (ASM_GLOBALIZE_LABEL): Don't define.
8813 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8814 names, and ASM_OUTPUT_LABEL to output labels, rather than
8816 (ASM_OUTPUT_LABEL): Define.
8817 (ASM_OUTPUT_INT): Use assemble_name.
8818 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8819 (STRIP_NAME_ENCODING): Don't undefine first.
8820 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8822 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8823 specified with 'asm' even with -fleading-underscore.
8824 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8825 (output_epilog): Likewise.
8826 (output_toc): Likewise.
8827 * tramp.asm: Handle -fleading-underscore correctly.
8829 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8831 (nonlocal_goto_receiver): Delete.
8832 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8834 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8835 (SET_ASM_OP): Define.
8836 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8838 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8841 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8842 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8844 * rs6000.h: Add 'u' to more constants.
8846 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8848 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8850 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8852 * rs6000.c (reg_or_u_cint_operand): New function.
8853 (logical_operand): Handle 64-bit hosts.
8854 (logical_u_operand): New function.
8855 (non_logical_cint_operand): Handle 64-bit hosts.
8856 (non_logical_u_cint_operand): New function.
8857 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8858 (PREDICATE_CODES): Define new functions.
8859 * rs6000-protos.h: Declare new functions.
8860 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8861 (movdi_64): Bracket code intended for 64-bit hosts. Create
8862 CONST_DOUBLE for 32-bit values.
8863 (scc insns): Generate DImode compares.
8864 (mfcr insns): Create DImode versions.
8865 (sge matchers): New patterns.
8867 2000-02-15 Gabriel Paubert <paubert@iram.es>
8869 * rs6000.md: Correct instructions length attributes and
8870 constraints on unsigned compare instructions.
8871 (*ne0): Disable for PowerPC64.
8873 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8875 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8876 quantity, fix profile1.C test failure under -fPIC.
8878 * rs6000.c: Add 'u' to many constants to suppress warnings.
8879 (constant_pool_expr_1): Make static.
8880 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8881 * rs6000.h: Add 'u' to many constants to suppress warnings.
8883 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8884 for the start of the TOC, instead of LCTOC..0.
8885 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8887 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8888 (load_toc_aix_di): Use LCTOC..1.
8890 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8891 * rs6000.c (rs6000_legitimize_address): New function from
8892 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8893 symbols in the constant pool that really are TOC references.
8894 (print_operand_address): For ELF, write TOC offsets under
8895 -fPIC as subtractions in the insn.
8896 (output_toc): For ELF, define symbols in TOC as normal labels,
8898 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8899 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8900 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8901 * rs6000.md (movsi): Only use create_TOC_reference on
8902 symbols in the constant pool that really are TOC references.
8904 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8905 * rs6000.c (rs6000_reorg): Delete.
8906 * rs6000-protos.h (rs6000_reorg): Delete.
8908 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8910 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8912 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8913 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8914 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8915 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8916 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8917 rs6000_aix_emit_builtin_unwind_init.
8918 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8919 rs6000_emit_eh_toc_restore on AIX.
8920 (return_eh_si): Use r2.
8921 (return_eh_di): Use r2.
8923 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8924 since we're breaking binary compatibility anyway.
8926 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8928 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8929 constant_pool_expr_p): Declare them.
8930 (constant_pool_expr_p): Declare it.
8931 * config/rs6000/rs6000.c (toc_label_name): Define.
8932 (rs6000_override_options): Set toc_label_name.
8933 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8934 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8935 uses_TOC): New functions.
8936 (print_operand): Delete old '*' case.
8937 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8938 and strip off rtl for TOC before calling output_addr_const.
8939 (rs6000_emit_load_toc_table): Use toc_label_name.
8940 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8942 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8943 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8944 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8945 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8946 into explicit TOC_REGISTER offsets.
8947 (TOC_REGISTER): New macro.
8948 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8949 TARGET_TOC to reference TOC_REGISTER.
8950 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8951 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8952 uses_TOC before emitting label references.
8954 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8956 * rs6000.md (stack_tie): Fix warning.
8958 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8959 to handle -fleading-underscore.
8960 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8961 (USER_LABEL_PREFIX): New macro.
8962 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8963 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8964 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8965 call-linux can use the same multilibs.
8966 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8967 and call-linux multilibs. Do multilib with -fleading-underscore.
8968 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8969 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8972 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8973 have MASK_SOFT_FLOAT set.
8974 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8975 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8976 CPP_FLOAT_DEFAULT_SPEC.
8978 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8979 * rs6000.md: Whitespace change.
8980 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8981 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8983 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8985 * rs6000.md (eh_epilogue): New expander.
8986 (eh_reg_restore): New expand/split/insn combination.
8987 (return_eh_si): New insn.
8988 (return_eh_di): New insn.
8990 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8991 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8992 * eabi-ctors.c (__do_global_ctors): Register this object's
8993 frame. Clean up. Call atexit() after the constructors.
8994 (__do_global_dtors): Deregister this object's frame. Clean up.
8995 Allow for recursive calls to exit().
8996 * rs6000.c (fixuplabelno): New variable.
8997 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8998 TARGET_RELOCATABLE, it slows down exec() under linux.
8999 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
9001 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
9002 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
9003 (ASM_OUTPUT_DWARF_DELTA2): New macro.
9004 (ASM_OUTPUT_DWARF_DELTA4): New macro.
9005 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
9006 (ASM_OUTPUT_DWARF_ADDR): New macro.
9007 (ASM_OUTPUT_DWARF_DATA4): New macro.
9008 (ASM_OUTPUT_DWARF_DATA2): New macro.
9009 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
9010 (ASM_OUTPUT_DWARF_OFFSET): New macro.
9011 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
9013 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9015 * rs6000.c (rs6000_sr_alias_set): New variable.
9016 (rs6000_override_options): Initialise rs6000_sr_alias_set.
9017 (rs6000_emit_stack_tie): New function.
9018 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
9019 in a way that dwarf2out can understand.
9020 (rs6000_frame_related): New function.
9021 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
9022 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
9023 Use rs6000_emit_stack_tie when needed.
9024 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
9025 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
9026 * rs6000.md (stack_tie): New insn.
9027 (return_internal_si): Allow return value to be in the count
9029 (return_internal_di): Likewise.
9031 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
9033 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9035 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
9037 2000-01-31 Geoff Keating <geoffk@cygnus.com>
9039 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
9041 * rs6000.md (stmw): Use the right POWER opcode.
9044 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9046 * rs6000-protos.h: New file.
9048 * rs6000.c: Include tm_p.h. Fix compile time warnings.
9050 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
9053 * sysv4.h: Likewise.
9055 2000-01-28 Geoff Keating <geoffk@cygnus.com>
9057 * ../../configure.in: Delete powerpcle-*-winnt*
9058 and powerpcle-*-pe|powerpcle-*-cygwin*.
9059 * ../../configure: Regenerated.
9061 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
9062 (TARGET_WINDOWS_NT): Delete.
9064 (CALL_NT_DLLIMPORT): Delete.
9065 Delete NT-specific code.
9066 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
9069 * nt-ci.asm: Delete.
9070 * nt-cn.asm: Delete.
9071 * ntstack.asm: Delete.
9073 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9075 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
9076 (ASM_FILE_START): Likewise.
9077 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9078 (ASM_OUTPUT_LABELREF): Likewise.
9079 (ASM_OUTPUT_SKIP): Likewise.
9080 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
9081 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9082 (ASM_OUTPUT_CASE_LABEL): Likewise.
9083 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
9084 (ASM_OUTPUT_ASCII): Likewise.
9086 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
9088 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
9089 reload_toc_labelno for non-prologue TOC reloads. Also, don't
9090 increment rs6000_pic_labelno here.
9091 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
9092 and increment rs6000_pic_labelno here.
9094 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
9096 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
9097 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
9098 allocation knows (reg) is dead before the insn.
9100 2000-01-21 Geoff Keating <geoffk@cygnus.com>
9102 * rs6000.md (movsi_to_cr): Correct typo in output template.
9104 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9106 * rs6000.c (rs6000_pic_labelno): Always define.
9107 (rs6000_pic_func_labelno): Delete.
9108 (lmw_operation): Check for a zero base register,
9109 which doesn't mean what we want.
9110 (stmw_operation): New function.
9111 (print_operand): Define new 'l' modifier.
9112 (rs6000_stack_info): We must save all 64 bits of the registers
9113 if TARGET_POWERPC64.
9114 (rs6000_output_load_toc_table): Delete.
9115 (rs6000_emit_load_toc_table): New function.
9116 (rs6000_allocate_stack_space): Delete.
9117 (rs6000_emit_allocate_stack): New function.
9118 (rs6000_emit_prologue): New function.
9119 (output_prolog): Use rs6000_emit_prologue.
9120 (rs6000_emit_epilogue): Change a few variable names to be
9121 more accurate. Restore all 64 bits of the registers if
9122 TARGET_POWERPC64. Only restore the FP registers which were used
9123 if they are being saved/restored one-at-a-time.
9124 (output_mi_thunk): Delete inefficient code generation.
9125 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9126 * rs6000.h: Declare rs6000_emit_load_toc_table,
9127 rs6000_allocate_stack_space, stmw_operation. Don't declare
9128 rs6000_output_load_toc_table.
9129 * rs6000.md (elf_high): Allow register 0, but discourage it
9131 (elf_low): Support loading into register 0.
9132 (load_toc_aix_si): New pattern.
9133 (load_toc_aix_di): New pattern.
9134 (load_toc_v4_pic_si): New pattern.
9135 (load_toc_v4_pic_di): New pattern.
9136 (load_toc_v4_PIC_1): New pattern.
9137 (load_toc_v4_PIC_1b): New pattern.
9138 (load_toc_v4_PIC_2): New pattern.
9139 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9140 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9141 (prologue): New expander.
9142 (movesi_from_cr): New pattern.
9143 (stmw): New pattern.
9144 (save_fpregs_si): New pattern.
9145 (save_fpregs_di): New pattern.
9147 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9149 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9154 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9156 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9158 (movsi_got_internal): Likewise.
9159 (movsi_got_internal+1): Likewise.
9160 (set_sp): 'unspec 7' does a SImode clobber.
9162 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9164 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
9165 allocate a stack temporary.
9166 (floatsidf2_internal): Likewise.
9167 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
9169 (floatunssidf2): Don't use the fpmem "register", just
9170 allocate a stack temporary.
9171 (floatunssidf2_internal): Likewise.
9172 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
9174 (floatsidf2_loadaddr): Delete.
9175 (floatsidf2_store1): Delete.
9176 (floatsidf2_store2): Delete.
9177 (floatsidf2_load): Delete.
9178 (fix_truncdfsi2): Don't use the fpmem "register", just
9179 allocate a stack temporary.
9180 (fix_truncdfsi2_internal_si): Delete.
9181 (fix_truncdfsi2_internal_di): Delete.
9182 (fix_truncdfsi2_internal): New insn.
9183 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9184 (fix_truncdfsi2_store): Delete.
9185 (fix_truncdfsi2_load): Delete.
9186 (fctiwz): Produce gen_fctiwz.
9188 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9190 * eabi.h (INVOKE__main): Define.
9191 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9193 (rs6000_emit_prologue): Likewise.
9194 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9195 this is the main program.
9197 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9199 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9201 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9203 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9204 goes after the argument.
9206 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9208 * rs6000.md: Document 'unspec' values used.
9209 (epilogue): New expander.
9210 (movesi_to_cr_one): New expander.
9211 (movesi_to_cr and following): New pattern.
9213 (return_internal_si): New pattern.
9214 (return_internal_di): New pattern.
9215 (return_and_restore_fpregs_si): New pattern.
9216 (return_and_restore_fpregs_di): New pattern.
9217 * rs6000.h: Declare new functions.
9218 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9219 rather than rs6000_calls_p.
9220 (rs6000_makes_calls): Delete.
9221 (lmw_operation): New function.
9222 (mtcrf_operation): New function.
9223 (rs6000_emit_epilogue): New function.
9224 (output_epilog): Call rs6000_emit_epilogue and final if
9225 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9227 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9229 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9230 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9231 * aix.h (SUBTARGET_SWITCHES): Document switches.
9232 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9233 sched-prolog and sched-epilog the same. Document all the
9235 (TARGET_OPTIONS): No longer allow -mdebug-.
9237 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9239 * rs6000.h (ASM_FILE_END): Move to aix.h.
9240 (EXTRA_SECTIONS): Move to aix.h.
9241 (READONLY_DATA_SECTION): Move to aix.h.
9242 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9243 (SELECT_SECTION): Move to aix.h.
9244 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9245 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9246 (LINK_REGISTER_REGNUM): New definition.
9247 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9248 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9250 * sysv4.h: Delete the code between the inclusion of rs6000.h
9252 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9253 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9254 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9255 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9256 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9257 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9258 (fix_truncdfsi2_internal_di): New pattern.
9259 (fix_truncdfsi2_store): The second arg here is Pmode too.
9260 (fix_truncdfsi2_load): The second arg here is Pmode too.
9261 (tablejumpdi): Now that switch tables hold only SImode values,
9262 gcc needs to know how to add them to the pc which is DImode.
9263 * rs6000.c (rs6000_stack_info): Use symbolic name for
9264 LINK_REGISTER_REGNUM.
9265 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9266 (output_toc): Delete unused variables s1 and s2.
9267 (output_ascii): Use fputs not fprintf on a variable string.
9269 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9271 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9272 * aix43.h: Revert Aug 2 change.
9273 (HAS_INIT_SECTION): Define, not visible yet.
9274 (LD_INIT_SWITCH): Define, not visible yet.
9275 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9277 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9279 * config/rs6000/rtems.h: Include config/rtems.h.
9281 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9283 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9284 (SLOW_UNALIGNED_ACCESS): Define.
9285 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9286 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9287 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9288 (toc_section): Likewise and .toc pseudo-op.
9289 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9291 (TEXT_SECTION_ASM_OP): Likewise.
9292 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9295 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9297 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9298 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9301 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9303 * rs6000.h: Move more stuff from here...
9305 * sysv4.h: Cleanup accordingly.
9306 * netware.h: Likewise
9308 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9310 * rs6000.h: Continue cleanup.
9313 * netware.h: Likewise.
9315 * sysv4.h: Likewise.
9316 * win-nt.h: Likewise.
9318 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9319 (TARGET_OPTIONS): Likewise.
9321 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9322 (SUBTARGET_OPTIONS): Likewise.
9324 * rs6000.md: Fix compile time warnings.
9326 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9328 vxworks patches from the Cygnus tree originally by
9329 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9330 <vmakarov@cygnus.com>.
9331 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9332 (ENDFILE_SPEC): Likewise.
9333 (LIB_VXWORKS_SPEC): New macro.
9334 (STARTFILE_VXWORKS_SPEC): New macro.
9335 (ENDFILE_VXWORKS_SPEC): New macro.
9336 (LINK_START_VXWORKS_SPEC): New macro.
9337 (LINK_OS_VXWORKS_SPEC): New macro.
9338 (CPP_OS_VXWORKS_SPEC): New macro.
9339 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9340 * vxppc.h: Rewrite to use proper configuration method.
9341 * vxppcle.h: New file.
9342 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9343 * ../../configure: Rebuilt.
9345 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9347 Lots of changes to rs6000.h, sysv4.h, aix.h,
9348 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9349 with the aim that rs6000.h is the first header
9350 included and the others override it.
9353 * x-aix41-gld: Remove.
9355 * x-aix41: Remove target-specific switches, and don't specify
9356 -Wl,-bbigtoc as we don't need it any more.
9357 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9358 Use t-aix43 for AIX 4.3 and above.
9359 * ../../configure: Regenerated.
9361 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9362 options, that don't do anything yet.
9363 (MASK_SCHED_PROLOG): New macro.
9364 (MASK_SCHED_EPILOG): New macro.
9365 (TARGET_SCHED_PROLOG): New macro.
9366 (TARGET_SCHED_EPILOG): New macro.
9368 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9370 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9371 one per translation unit, not one per function.
9372 (output_toc): Also do duplicate constant elimination
9373 for per-translation-unit TOCs.
9375 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9376 a comment explaining _exactly_ when this pattern gets used.
9377 (builtin_setjmp_receiver): New pattern for better clarity.
9378 (init_v4_pic): Move it into a section dealing with TOC registers.
9380 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9382 * rs6000.c (toc_hash_table): New variable.
9383 (rs6000_hash_constant): New function.
9384 (toc_hash_function): New function.
9385 (toc_hash_eq): New function.
9386 (toc_hash_mark_entry): New function.
9387 (toc_hash_mark_table): New function.
9388 (output_toc): Don't output duplicate TOC entries in
9390 (rs6000_add_gc_roots): Add the hash table as a GC root.
9391 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9392 where they clearly shouldn't be. This may need to be fixed
9393 later when there is a GNU ar for AIX.
9394 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9395 Don't define BOOT_LDFLAGS as it is now not necessary.
9397 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9399 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9400 for va_list on AIX. Use unsigned_char_type_node rather than
9401 constructing our own version on svr4.
9403 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9405 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9406 since patently it's not.
9408 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9410 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9411 define_expand/define_insn pair, and handle restore of the
9412 SVR4 -fpic register.
9414 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9416 * acconfig.h (HAVE_GAS_WEAK): New define.
9417 * configure.in (assembler weak support): Check for .weak support.
9418 * config.in, configure: Rebuilt.
9419 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9420 HAVE_GAS_WEAK is defined.
9422 2000-03-15 Nick Clifton <nickc@cygnus.com>
9424 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9427 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9429 * cppfiles.c (open_include_file): New function.
9430 (find_include_file, cpp_read_file): Use it.
9432 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9434 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9436 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9438 * flow.c (verify_flow_info): Check for unconditional return.
9440 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9442 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9443 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9444 (__ia64_restore_stack_nonlocal): New.
9445 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9447 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9449 * cpphash.c (collect_formal_parameters): Do not complain about
9450 parameter names that just start with `__VA_ARGS__'.
9452 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9454 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9455 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9456 * i386.c (pentiumpro_cost): Set mul cost to 4.
9457 (x86_use_movx): Set for PPro.
9459 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9461 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9462 STACK_BOUNDARY for empty frames now.
9464 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9466 * stor-layout.c (layout_union): Remove.
9467 (layout_union_field): New function, split out from layout_union.
9468 (finish_union_layout): Likewise.
9469 (layout_field): Handle unions by calling layout_union_field.
9470 (finish_record_layout): Handle unions.
9471 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9472 QUAL_UNION_TYPE handling.
9474 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9476 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9477 end of basic block is jump_insn, not barrier; use create_basic_block
9478 instead of creating basic block by hand.
9480 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9482 * flow.c (reorder_basic_blocks): Account for barriers when writing
9483 over NEXT_INSN (last_bb->end).
9484 (verify_flow_info): Add check for missing barriers.
9486 2000-03-14 Greg McGary <gkm@gnu.org>
9488 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9489 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9490 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9491 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9492 __unbounded, __unbounded__): New keywords.
9493 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9494 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9495 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9497 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9499 * cselib.h: New file.
9500 * alias.c: Include "cselib.h".
9501 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9502 MEMs as two new arguments.
9503 (get_addr): New static function.
9504 (find_base_term): Handle VALUEs.
9505 (memrefs_conflict_p): Likewise.
9506 (true_dependence): Call get_addr on the addresses.
9507 Call fixed_scalar_and_varying_struct_p with addresses that have been
9508 passed through get_addr and canon_rtx.
9509 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9510 with true_dependence.
9511 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9512 * loop.c: Include "cselib.h".
9513 (load_mems): Process extended basic block that enters the loop with
9514 cselib. Use that information to change initialization of the shadow
9515 register so that a constant equivalence is seen by later passes.
9516 * reload1.c: Include "cselib.h".
9517 (reload_cse_invalidate_regno): Delete function.
9518 (reload_cse_mem_conflict_p): Likewise.
9519 (reload_cse_invalidate_mem): Likewise.
9520 (reload_cse_invalidate_rtx): Likewise.
9521 (reload_cse_regno_equal_p): Likewise.
9522 (reload_cse_check_clobber): Likewise.
9523 (reload_cse_record_set): Likewise.
9524 (reg_values): Delete static variable.
9525 (invalidate_regno_rtx): Likewise.
9526 (reload_cse_delete_noop_set): New static function.
9527 (reload_cse_simplify): New static function, broken out of
9529 (reload_cse_noop_set_p): Delete unused argument INSN.
9530 Just call rtx_equal_for_cselib_p on set source and destination.
9531 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9532 reload_cse_delete_noop_set. Delete code to keep track of values; use
9533 cselib functions instead. Delete code to push/pop obstacks.
9534 (reload_cse_simplify_set): Use cselib to find equivalent values.
9535 Delete code to push/pop obstacks.
9536 (reload_cse_simplify_operands): Likewise.
9537 * rtl.def (VALUE): New rtx code.
9538 * rtl.h (union rtunion_def): New elt rt_cselib.
9539 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9540 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9541 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9542 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9543 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9544 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9545 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9546 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9547 cselib_record_set, cselib_record_sets): New static functions.
9548 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9549 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9550 references_value_p): New functions.
9551 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9552 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9553 n_useless_values, reg_values, callmem, cselib_obstack,
9554 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9555 New static variables.
9556 * varray.h (union varray_data_tag): New elt te.
9557 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9558 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9561 2000-03-14 Nick Clifton <nickc@cygnus.com>
9563 * gcc.c (do_spec_1): Catch the case where %* is used in a
9564 substitution pattern, but it has not been initialised.
9565 Issue a meaningful error message if an unrecognised operator
9566 is encountered in a spec string.
9568 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9570 * function.c (prepare_function_start): Correctly initialize
9571 cfun->stack_alignment_needed.
9573 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9575 * cppfiles.c (find_include_file): Don't assume nshort is a
9578 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9580 * configure.in (hppa configurations): Add pa32-regs.h to the
9581 list of tm files as appropriate.
9582 * configure: Rebuilt.
9583 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9585 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9586 (fmpyaddoperands, fmpysuboperands): Likewise.
9587 * pa.h: Remove various definitions which depend on knowing
9588 how registers are numbered.
9589 * pa32-regs.h: New file with PA32 register numbering specific
9592 2000-03-14 Richard Henderson <rth@cygnus.com>
9594 * regmove.c (combine_stack_adjustments): New.
9595 (stack_memref_p, single_set_for_csa): New.
9596 (free_csa_memlist, record_one_stack_memref): New.
9597 (try_apply_stack_adjustment): New.
9598 (combine_stack_adjustments_for_block): New.
9599 * rtl.h (combine_stack_adjustments): Declare.
9600 * toplev.c (rest_of_compilation): Call it.
9602 * i386.md: Revert 2000-01-16 change.
9604 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9606 * gccbug.in: Add web category, gcc specific classes.
9608 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9610 * stor-layout.c (finalize_record_size): Fix typo.
9612 2000-03-14 Stan Shebs <shebs@apple.com>
9614 * c-typeck.c (c_alignof): Error on incomplete types.
9615 * extend.texi (Alignment): Document this.
9617 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9619 * cppfiles.c: Include mkdeps.h.
9620 (find_include_file, read_include_file): Remove _cpp_ prefix
9621 from name, make static.
9622 (_cpp_execute_include): New function, broken out of
9625 * cpplib.c: Don't include mkdeps.h.
9626 (struct directive): Remove type field. Reorder entries. The
9627 function takes only one argument.
9628 (struct if_stack): Make type field an int.
9629 (directive_table): Rename to dtable. Generate it, the
9630 prototypes of the directive handlers, and the enum for the
9631 directive numbers, from a template macro.
9632 (do_ifndef, do_include_next, do_import): New functions.
9633 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9634 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9635 do_ident, do_assert, do_unassert, do_sccs): Take only one
9637 (do_sccs): Define always, but alter behavior based on
9639 (_cpp_handle_directive, consider_directive_while_skipping):
9640 Restructure for new directive table layout.
9642 (pass_thru_directive): Take a directive number, not a pointer
9643 to a struct directive.
9644 (parse_include): New function, broken out of do_include.
9645 (do_include, do_import, do_include_next): Use parse_include
9646 and _cpp_execute_include.
9647 (do_elif, do_else): Test for T_ELSE specifically when checking
9648 for #elif/#else after #else.
9649 (parse_ifdef): New function, broken out of do_ifdef.
9650 (validate_else): Expect a name arg without a leading #.
9651 (if_directive_name): Delete.
9652 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9653 directive handlers with only one argument.
9655 * cpphash.h: Update prototypes.
9656 (enum node_type): Remove entries for directives.
9657 * Makefile.in: Update dependencies.
9659 * cpphash.c (dump_hash_helper): Only dump nodes of type
9660 T_MACRO. Emit a newline after each definition.
9662 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9664 * gccbug.in: New file.
9665 * configure.in (all_outputs): Add gccbug.
9666 * Makefile.in (install-common): Install gccbug.
9667 (GCCBUG_INSTALL_NAME): New variable.
9668 * configure: Rebuilt.
9670 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9672 * function.c (put_var_into_stack): Use type_for_mode to calculate
9673 part_type. Use MEM_SET_IN_STRUCT_P.
9674 * expr.c (store_field): Handle CONCAT.
9675 (store_constructor): Use fields_length.
9676 * tree.c (fields_length): New fn.
9677 * tree.h: Declare it.
9679 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9681 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9682 (cpplex.o): New target.
9683 * po/POTFILES.in: Add cpplex.c.
9685 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9686 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9687 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9688 skip_block_comment, skip_line_comment, skip_comment,
9689 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9690 _cpp_parse_name, skip_string, parse_string,
9691 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9692 _cpp_get_directive_token, find_position,
9693 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9694 (maybe_macroexpand, _cpp_lex_token): New functions.
9696 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9697 parse_goto_mark): Delete.
9698 (_cpp_handle_eof): New function.
9699 (_cpp_handle_directive): Rename from handle_directive.
9700 (_cpp_output_line_command): Rename from output_line_command.
9701 (do_if, do_elif): Call _cpp_parse_expr directly.
9702 * cppfiles.c (_cpp_read_include_file): Don't call
9703 init_input_buffer here.
9704 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9705 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9706 here; pop the token_buffer and skip the rest of the line here.
9707 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9710 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9712 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9713 CPP_GOTO_MARK): New macros.
9714 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9715 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9716 _cpp_read_and_prescan, _cpp_init_input_buffer,
9717 _cpp_grow_token_buffer, _cpp_get_directive_token,
9718 _cpp_handle_directive, _cpp_handle_eof,
9719 _cpp_output_line_command): Prototype them here.
9720 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9721 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9722 quote_string, output_line_command): Remove.
9724 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9726 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9727 whether it is too large we must also verify that it isn't negative.
9729 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9731 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9732 (movsi_zero_liveg0): Remove.
9733 (movsf_insn_novis_liveg0): Remove.
9735 (negsi2_not_liveg0): Rename to negsi2.
9736 (one_cmplsi2): Remove.
9737 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9738 (one_cmplsi2_liveg0): Remove.
9739 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9740 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9741 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9742 (PREDICATE_CODES): Remove zero_operand.
9743 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9744 TARGET_BROKEN_SAVERESTORE.
9745 (zero_operand): Remove.
9746 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9747 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9749 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9750 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9751 TARGET_BROKEN_SAVERESTORE): Remove.
9752 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9754 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9756 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9759 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9761 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9763 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9764 truncating a string. Don't assume tokens are nul terminated.
9765 Problem noted by Andreas Jaeger <aj@suse.de>
9767 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9769 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9770 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9771 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9773 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9775 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9776 STRUCTURE_SIZE_BOUNDARY.
9778 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9780 * tree.h (record_layout_info_s): New structure.
9781 (record_layout_info): New type.
9782 (new_record_layout_info): New function.
9783 (layout_field): Likewise.
9784 (finish_record_layout): Likewise.
9785 * stor-layout.c (layout_record): Remove.
9786 (new_record_layout_info): New function.
9787 (layout_field): New function, broken out from layout_record.
9788 (finalize_record_size): Likewise.
9789 (compute_record_mode): Likewise.
9790 (finalize_type_size): New function, broken out from layout_type.
9791 (finish_record_layout): Likewise.
9792 (layout_type): Use them.
9794 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9796 * cpphash.c: Don't include version.h.
9797 (special_symbol) [case T_VERSION]: Look for the string in
9798 hp->value.cpval; don't use version_string.
9799 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9800 __VERSION__ to version_string.
9801 * Makefile.in (cpphash.o): Update deps.
9803 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9805 Convert cpplib to use libiberty/hashtab.c.
9807 * cpplib.h (struct cpp_reader): Make hashtab and
9808 all_include_files of type 'struct htab *'. Delete HASHSIZE
9809 and ALL_INCLUDE_HASHSIZE macros.
9811 * cpphash.h: Update prototypes.
9812 (struct hashnode): Remove next, prev, and bucket_hdr members.
9813 Make length a size_t. Add hash member.
9814 (struct ihash): Remove next member. Add hash member. Make
9815 name a flexible array member.
9817 * cppfiles.c: Include hashtab.h.
9818 (include_hash): Delete.
9819 (IHASHSIZE): New macro.
9820 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9821 (cpp_included): Do the hash lookup here.
9822 (_cpp_find_include_file): Rewrite.
9823 (cpp_read_file): Put the "fake" hash entry into the hash
9824 table. Honor the control_macro, if it turns out we've seen
9825 the file before. Don't push the buffer here.
9826 (_cpp_read_include_file): Push the buffer here.
9827 (OMODES): New macro. Use it whenever we call open(2).
9829 * cpphash.c: Include hashtab.h.
9830 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9831 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9832 _cpp_lookup_slot): New functions.
9833 (HASHSIZE): new macro.
9834 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9835 (_cpp_lookup): Use hashtab.h routines.
9837 * cppinit.c: Include hashtab.h.
9838 (cpp_reader_init): Call _cpp_init_macro_hash and
9839 _cpp_init_include_hash. Don't allocate hashtab directly.
9840 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9841 pfile->all_include_files.
9842 (initialize_builtins): Use _cpp_make_hashnode and
9843 htab_find_slot to add hash entries.
9844 (cpp_finish): Just call _cpp_dump_macro_hash.
9845 * cpplib.c: Include hashtab.h.
9846 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9847 create hash entries.
9848 (do_pragma_poison, do_assert): Likewise.
9849 (do_include): Don't push the buffer here. Don't increment
9850 system_include_depth unless _cpp_read_include_file succeeds.
9851 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9853 (do_pragma_implementation): Use alloca to create copy.
9855 * Makefile.in: Update dependencies.
9857 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9859 * cppinit.c (cl_directive_handler): More K&R fixing.
9861 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9863 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9865 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9867 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9869 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9870 Change from char[] to macros.
9872 2000-03-12 Neil Booth <NeilB@earthling.net>
9874 * cppinit.c (cpp_start_read): Update indirect function
9877 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9879 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9882 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9883 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9885 2000-03-11 Neil Booth <NeilB@earthling.net>
9887 * cppinit.c (struct pending option): Replace undef with a
9888 pointer to a directive handling routine.
9889 (struct cpp_pending): Replace separate assert_ and define_
9890 lists with one directive_ list.
9891 (new_pending_define): Rename new_pending_directive. Extra
9892 argument is the directive's handling routine.
9893 (handle_option): Update to use new_pending_directive.
9895 2000-03-11 Neil Booth <NeilB@earthling.net>
9897 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9898 remap_filename, _cpp_read_include_file, actual_directory,
9899 hack_vms_include_specification): Replace bcopy(), index() etc
9900 calls. Add casts to some allocations. Make some variables
9901 pointers to const [unsigned] char.
9902 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9903 collect_formal_parameters): Similarly.
9904 * cppinit.c (struct pending_option, append_include_chain,
9905 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9906 cpp_start_read, new_pending_define, handle_option): Similarly.
9907 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9908 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9909 do_pragma_implementation, detect_if_not_defined,
9910 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9911 do_assert, do_unassert): Similarly.
9912 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9913 function prototypes.
9914 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9916 2000-03-10 Richard Henderson <rth@cygnus.com>
9918 * builtins.c (expand_builtin_strlen): Revert last change.
9919 Use emit_insn_before if we're at the beginning of a sequence.
9921 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9923 * builtins.c (expand_builtin_strlen): Make sure that we have something
9924 at the beginning of the sequence.
9926 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9929 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9931 2000-03-10 Richard Henderson <rth@cygnus.com>
9933 * except.c (can_throw): Use INTVAL on a CONST_INT.
9934 (reachable_handlers): Likewise.
9935 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9937 2000-03-10 Andreas Jaeger <aj@suse.de>
9939 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9940 MD_STARTFILE_PREFIX since those are not needed on linux.
9941 (ASM_FILE_START): New, from mips/gnu.h.
9943 2000-03-09 Richard Henderson <rth@cygnus.com>
9944 Alex Samuel <samuel@codesourcery.com> and others
9946 * Makefile.in (ssa.o): New rule.
9948 (STAGESTUFF): Add *.ssa and *.ussa.
9949 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9950 * rtl.def (PHI): New RTL expression.
9951 * rtl.h (clear_log_links): New declaration.
9952 (convert_to_ssa): Likewise.
9953 (convert_from_ssa): Likewise.
9954 * flow.c (split_edge): If the entry node falls through to the
9955 split edge's source block, split the entry edge.
9956 (clear_log_links): New function.
9957 * toplev.c (ssa_dump): New variable.
9958 (flag_ssa): Likewise.
9959 (f_options): Add "ssa".
9960 (compile_file): Create SSA dump files.
9961 (rest_of_compilation): Go to and from SSA if enabled.
9962 (decide_d_option): Handle -de for SSA dump files.
9965 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9967 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9970 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9972 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9974 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9976 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9977 (MD_STARTFILE_PREFIX_1): New macro.
9979 2000-03-09 Robert Lipe <robertl@sco.com>
9981 * config/ia64/ia64.c: Include system.h.
9983 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9985 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9986 (init_eh_nesting_info): Likewise.
9988 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9989 (TREE_NOTHROW): Rename from TREE_RAISES.
9990 * toplev.c (rest_of_compilation): Set it.
9991 * print-tree.c (print_node): Adjust.
9992 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9993 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9994 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9995 REG_EH_REGION note as appropriate.
9996 (libfunc_nothrow): New fn.
9997 (emit_library_call, emit_library_call_value): Use it.
9998 (expand_call): Check TREE_NOTHROW.
10000 * varasm.c (make_decl_rtl): Skip initial '*' when setting
10001 DECL_ASSEMBLER_NAME.
10003 2000-03-09 Andreas Jaeger <aj@suse.de>
10005 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
10006 (TARGET_MEM_FUNCTIONS): Define.
10008 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10010 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
10012 * except.c (can_throw): See through a SEQUENCE.
10013 (nothrow_function_p): New fn.
10014 * except.h: Declare it.
10015 * function.c (current_function_nothrow): New var.
10016 (prepare_function_start): Initialize it.
10017 * output.h: Declare it.
10018 * toplev.c (rest_of_compilation): Set it.
10019 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
10021 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
10023 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
10024 match. (cpp_compare_defs): Count the nul separator when
10025 advancing over argument names.
10027 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
10029 * recog.c (preprocess_constraints): Matching constraints affect
10030 same alternative/different operand, not same operand/different
10033 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
10034 register and a constant specially.
10036 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10038 * libgcc2.h: New file.
10039 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
10041 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
10043 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
10044 * configure: Regenerate.
10045 * config/ia64: New.
10047 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10049 * Makefile.in (LIBCPP_DEPS): New macro.
10050 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
10051 it to declare deps.
10052 * cpperror.c: Include cpphash.h.
10053 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
10055 (lex): Don't use CPP_WARN_UNDEF.
10056 (_cpp_parse_expr): Return an int, the truth value.
10057 * cppfiles.c: Include cpphash.h.
10058 (_cpp_merge_include_chains): Move to cppinit.c and make static.
10059 * cppinit.c (include_defaults_array): Disentangle.
10060 (cpp_cleanup): Don't free the if stack here.
10061 (cpp_finish): Pop off all buffers, not just one.
10062 * cpplib.c (eval_if_expr): Return int.
10063 (do_xifdef): Rename do_ifdef.
10064 (handle_directive): Don't use CPP_PREPROCESSED.
10065 (cpp_get_token): Don't use CPP_C89.
10066 * fix-header.c: Don't use CPP_OPTIONS.
10068 * cpplib.h: Move U_CHAR, enum node_type, struct
10069 file_name_list, struct ihash, is_idchar, is_idstart,
10070 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
10071 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
10072 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
10073 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
10074 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
10075 of _cpp_simplify_pathname, _cpp_find_include_file,
10076 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
10077 Move struct if_stack to cpplib.c. Move struct cpp_pending to
10079 Change all uses of U_CHAR to be unsigned char instead.
10080 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
10082 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10084 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
10085 (dwarf2out_begin_prologue): Set it.
10086 (output_call_frame_info): Don't emit EH unwind info for leaves.
10088 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
10089 can occur outside of an EH region.
10090 * except.c: Correct comments about rethrow behavior.
10091 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
10093 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
10095 * flow.c (make_edges): Always call make_eh_edge for calls.
10097 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10099 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
10100 (struct cpp_buffer): Remove fname and underflow fields.
10101 (struct cpp_reader): Remove get_token field.
10102 (struct include_hash): Rename to struct ihash. Add typedef to
10104 (struct if_stack): Remove fname field.
10105 (IF_STACK_FRAME): Rename to IF_STACK.
10107 * cpperror.c (print_containing_files): Trust that there are no
10108 macro buffers below the top file buffer.
10109 * cppfiles.c: Replace all references to 'struct include_hash'
10110 with 'IHASH'. Rename initialize_input_buffer to
10111 init_input_buffer. Don't set or reference cpp_buffer->fname,
10112 use buffer->ihash->name instead.
10113 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
10114 not CPP_NULL_BUFFER.
10115 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10116 IF_STACK_FRAME, IHASH not struct include_hash.
10117 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10118 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10119 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10120 references to cpp_buffer->fname (delete entirely, or use
10121 ->ihash->name instead) and IF_STACK->fname.
10122 (cpp_push_buffer): Don't set new->underflow.
10123 (do_include): Use cpp_file_buffer.
10125 * cpphash.c (collect_formal_parameters): Remove duplicate
10126 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10127 used as a macro argument name. Don't append "..." to namebuf
10128 for varargs macros. After we're done scanning, go through
10129 namebuf and make it NUL separated, not comma separated.
10130 (_cpp_compare_defs): Remove register tag from variables.
10131 Expect defn->argnames to be NUL separated.
10132 (_cpp_dump_definition): Expect defn->argnames to be NUL
10133 separated and in forward order.
10134 * cpphash.h: Update documentation of argnames field.
10136 2000-03-08 Richard Henderson <rth@cygnus.com>
10138 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10139 to fail. Don't pre-expand the source operand.
10141 * i386.md (strlensi): Initialize eoschar and align before use.
10143 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10145 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10146 CONSTRUCTOR element.
10148 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10150 * mips.c (mips_expand_prologue): If the last
10151 named argument is the vararg marker "va_list", treat it as
10152 an unnamed argument.
10154 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10156 * dbxout.c (dbxout_parms): When correcting for promoted
10157 big-endian parameters, use the mode of the DECL_RTL rather
10158 than UNITS_PER_WORD.
10160 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
10162 * c-common.h (make_fname_decl): Declare.
10163 * c-common.c (make_fname_decl): Define.
10164 (declare_hidden_char_array): Remove.
10165 (declare_function_name): Use make_fname_decl.
10166 * c-decl.c (c_make_fname_decl): New function.
10167 (init_decl_processing): Set make_fname_decl.
10169 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
10171 * cccp.c (handle_directive): Initialize backslash_newlines_p.
10173 2000-03-07 Philipp Thomas <pthomas@suse.de>
10175 * po/POTFILES.in: Remove cppalloc.c from file list.
10177 2000-03-07 Steve Chamberlain <sac@pobox.com>
10179 * pj.c (pj_expand_prologue): current_function->args_info is
10180 now current_function_args_info.
10182 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10183 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10184 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10186 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10188 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10189 output as hexadecimal rather than the default octal.
10191 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10193 * cpphash.c (special_symbol): Fix thinko in previous commit.
10195 2000-03-07 Neil Booth <NeilB@earthling.net>
10197 * cppexp.c (struct operation, left_shift, right_shift,
10198 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10199 "int"s to "unsigned int"s.
10200 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10202 * cpplib.h: Update for above.
10203 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10204 returned from allocations.
10206 * cppinit.c (opt_comp, parse_options): New functions.
10207 (handle_option): Use parse_option to parse a single command
10208 line option, that possibly takes an argument.
10209 (cpp_handle_options): Sort the array of command line options on
10210 first invocation (non-ASCII hosts only).
10211 (print_help): Update.
10213 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10215 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10216 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10218 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10220 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10222 * cpperror.c (cpp_print_containing_files,
10223 cpp_print_file_and_line, v_cpp_message): Rename to
10224 print_containing_files, print_file_and_line, and v_message.
10225 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10226 to _cpp_parse_expr, parse_escape, and lex.
10227 (parse_charconst): Remove broken multibyte support.
10228 * cppfiles.c (include_hash): Make static.
10229 (cpp_included): New function.
10230 (merge_include_chains, find_include_file, finclude,
10231 simplify_pathname): Rename to _cpp_merge_include_chains,
10232 _cpp_find_include_file, _cpp_read_include_file, and
10233 _cpp_simplify_pathname.
10234 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10235 cpp_install, create_definition, macroexpand, compare_defs,
10236 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10237 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10238 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10239 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10241 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10243 * cpphash.h: Update prototypes.
10244 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10246 2000-03-07 Andrew Haley <aph@cygnus.com>
10248 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10249 PTRDIFF_TYPE should be based solely on Pmode.
10250 (SIZE_TYPE): ditto.
10252 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10254 * rtl.h (rtunion_def): Constify member `rtstr'.
10255 (emit_line_note_after, emit_line_note, emit_line_note_force,
10256 emit_note, decode_asm_operands): Constify.
10258 * cse.c (canon_hash): Likewise.
10260 * dbxout.c (dbxout_block): Likewise.
10262 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10263 v_warning_for_asm): Likewise.
10265 * dwarfout.c (function_start_label): Likewise.
10267 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10268 emit_line_note_force): Likewise.
10270 * final.c (last_filename, asm_insn_count, final_scan_insn,
10271 output_source_line): Likewise.
10273 * function.h (struct emit_status): Likewise.
10275 * gcse.c (hash_expr_1): Likewise.
10277 * genattr.c (gen_attr, main): Likewise.
10279 * genattrtab.c (struct function_unit, current_alternative_string,
10280 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10281 attr_numeral, check_attr_test, check_attr_value,
10282 convert_set_attr_alternative, convert_set_attr,
10283 compute_alternative_mask, simplify_by_exploding, gen_attr,
10284 gen_unit): Likewise.
10286 * genflags.c (gen_insn): Likewise.
10288 * gengenrtl.c (type_from_format): Likewise.
10290 * genopinit.c (gen_insn): Likewise.
10292 * genoutput.c (n_occurrences, process_template, process_template):
10295 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10298 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10301 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10302 ggc_set_mark, ggc_get_size): Likewise.
10304 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10306 * optabs.c (init_one_libfunc): Likewise.
10308 * output.h (assemble_start_function): Likewise.
10310 * recog.c (decode_asm_operands): Likewise.
10312 * toplev.c (rest_of_compilation): Likewise.
10314 * tree.h (emit_line_note_after, emit_line_note,
10315 emit_line_note_force): Likewise.
10317 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10318 asm_emit_uninitialised, assemble_start_function,
10319 assemble_variable, const_hash, compare_constant_1,
10320 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10322 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10324 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10326 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10328 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10330 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10331 arm_dllimport_name_p): Likewise.
10333 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10336 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10338 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10340 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10341 arm_mark_dllexport, arm_mark_dllimport,
10342 arm_pe_encode_section_info): Likewise.
10344 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10345 ASM_FINISH_DECLARE_OBJECT): Likewise.
10347 * arm/thumb.c (thumb_function_prologue): Likewise.
10349 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10351 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10353 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10355 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10357 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10359 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10361 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10362 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10364 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10366 * i386/i386.c (asm_output_function_prefix): Likewise.
10368 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10370 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10372 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10374 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10375 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10376 ASM_OUTPUT_SECTION_NAME): Likewise.
10378 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10380 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10382 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10384 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10386 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10388 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10390 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10392 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10394 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10396 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10398 * mips/mips.md (movdi, movsi): Likewise.
10400 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10402 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10404 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10406 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10407 ASM_OUTPUT_ASCII): Likewise.
10409 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10410 output_mi_thunk, output_toc): Likewise.
10412 * rs6000/rs6000.md (movsi): Likewise.
10414 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10416 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10418 * v850/v850.c (print_operand, print_operand_address,
10419 v850_encode_data_area): Likewise.
10421 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10423 * config/mips/mips.md (zero_extendsidi2): Always force operand
10424 one to memory for mips16.
10426 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10428 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10429 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10430 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10431 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10432 (min_precision): Result is unsigned.
10433 (add_double, neg_double, mul_double): Low word is unsigned.
10434 (lshift_double, rshift_double, lrotate_double): Likewise.
10435 (rrotate_double, div_and_round_double): Likewise.
10436 (tree_floor_log2, compare_tree_int): New functions.
10437 (preserve_rtl_expr_temps): New declaration.
10438 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10439 (decl_attributes): Use tree_log2 to find alignment.
10440 Check for TREE_INT_CST_HIGH for format args.
10441 (min_precision): Now unsigned.
10442 Use tree_floor_log2.
10443 (truthvalue_conversion): Delete long-disabled code.
10444 * c-decl.c (finish_struct): Clean up tests on field width.
10445 (finish_function): Use compare_tree_int.
10446 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10447 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10448 (default_conversion, digest_init): Use compare_tree_int.
10449 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10450 Fix type errors in forming masks.
10451 * calls.c (initialize_argument_information): Use compare_tree_int.
10452 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10453 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10454 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10455 (store_field): Use compare_tree_int.
10456 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10457 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10458 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10459 (do_store_flag): Use compare_tree_int.
10460 * fold-const.c (encode, decode): Low part is always unsigned.
10461 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10462 (lshift_double, rshift_double, lrotate_double): Likewise.
10463 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10464 (fold_convert): Use compare_tree_int.
10465 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10466 (invert_truthvalue, case INTEGER_CST): Likewise.
10467 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10468 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10469 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10470 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10472 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10473 (expand_end_case): Use compare_tree_int.
10474 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10475 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10476 (layout_decl): Likewise.
10477 (layout_record, layout_union): Make sizes unsigned.
10478 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10479 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10480 * tree.c (struct type_hash): hashcode is unsigned.
10481 (build_type_attribute_variant, type_hash_list): Likewise.
10482 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10483 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10484 (build_complex_type): Likewise.
10485 (real_value_from_int_cst): Remove unneeded casts.
10486 (integer_all_onesp): Add casts.
10487 (tree_floor_log2, compare_tree_int): New functions.
10488 (build_index_type): Use tree_int_cst_sgn.
10489 * varasm.c (assemble_variable): Use compare_tree_int.
10491 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10493 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10495 * varasm.c (make_decl_rtl): Don't add a number to members of
10497 (make_function_rtl): Likewise.
10499 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10501 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10502 patch from 2000-01-28.
10504 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10506 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10507 filled with an insn from the jump target.
10509 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10511 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10512 (c4x_external_ref): Likewise.
10513 * config/c4x/c4x.c (struct name_list): Likewise.
10515 1999-12-16 Ben Collins <bcollins@debian.org>
10517 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10518 argument to genmultilib.
10519 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10520 the contents into the multilib.h header.
10521 * gcc.c: Declare multilib_exclusions for the specs file.
10522 (set_multilib_dir): Use it.
10523 (print_multilib_info): Likewise.
10524 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10525 to pass to genmultilib.
10527 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10529 * builtins.c (built_in_class_names, built_in_names): Constify a
10532 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10534 (_mcleanup): Ensure value matches format specifier in sprintf.
10536 * cpphash.c (special_symbol): Don't needlessly cast away
10539 * cppinit.c (base_name): Delete unused prototype.
10541 * mkdeps.c (deps_init): Make definition K&R safe.
10543 * tree.h (built_in_class_names, built_in_names): Constify a
10546 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10548 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10549 floating point instructions for epilogue delay.
10551 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10552 to gas if it supports .register pseudo.
10554 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10555 LONG_DOUBLE_TYPE_SIZE if not defined.
10556 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10557 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10558 * real.c: Likewise.
10559 * gengenrtl.c: Likewise.
10560 * print-rtl.c: Likewise.
10562 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10563 MASK_LONG_DOUBLE_128.
10564 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10565 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10566 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10567 (SUBTARGET_SWITCHES): Define.
10568 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10569 with -mlong-double-128.
10570 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10571 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10572 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10573 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10574 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10575 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10576 with -mlong-double-128.
10577 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10578 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10579 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10580 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10581 TARGET_LONG_DOUBLE_128): Define.
10582 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10583 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10584 long double on TARGET_ARCH64.
10586 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10588 * function.c (free_temps_for_rtl_expr): Don't free slots
10589 that have been pushed into a higher level.
10592 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10594 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10596 * basic-block.h (ALLOCA_REG_SET): Remove.
10597 (INITIALIZE_REG_SET): New macro.
10598 * flow.c (update_life_info): Use it.
10599 (calculate_global_regs_live): Likewise.
10600 (propagate_block): Likewise.
10601 * global.c (build_insn_chain): Likewise.
10602 * haifa-sched.c (schedule_region): Likewise.
10604 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10606 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10607 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10608 (DWARF_ARANGES_PAD_SIZE): New define.
10609 (output_aranges): Use it to pad the address range header.
10610 (DWARF_ROUND): Fix for non power of 2 rounding.
10612 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10614 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10616 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10618 * tree.def (RTL_EXPR): Update documentation.
10619 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10620 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10621 * function.c (preserve_rtl_expr_temp): New function.
10622 (preserve_rtl_expr_temps): Likewise.
10623 (preserve_rtl_expr_result): Use it.
10626 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10628 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10630 * regmove.c (copy_src_to_dest) Do not create src->dest move
10631 for unchanging destination.
10633 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10635 * function.h (struct sequence_stack): Remove rtl_expr.
10636 (struct emit_staus): Likewise.
10637 (seq_rtl_expr): Remove.
10638 * tree.h (free_temps_for_rtl_expr): Don't declare.
10639 (start_sequence_for_rtl_expr): Likewise.
10640 * rtl.h (preserve_rtl_expr_result): Likewise.
10641 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10642 (start_sequence_for_rtl_expr): Remove.
10643 (push_topmost_sequence): Don't save sequence_rtl_expr.
10644 (pop_topmost_sequence): Remove comment about not restoring it.
10645 (end_sequence): Don't set seq_rtl_expr.
10646 (init_emit): Don't initialize it.
10647 (mark_sequence_stack): Don't mark it.
10648 (mark_emit_status): Likewise.
10649 * except.c (protect_with_terminate): Use
10650 start_sequence_for_rtl_expr, not start_sequence.
10651 * expr.c (expand_expr, case RTL_EXPR): Don't call
10652 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10653 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10654 (preserve_rtl_expr_result): Remove.
10655 (free_temps_for_rtl_expr): Likewise.
10656 (pop_temp_slots): Likewise.
10657 (mark_temp_slot): Don't mark the rtl_expr.
10658 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10659 start_sequence_for_rtl_expr.
10661 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10663 * mkdeps.c, mkdeps.h: New files.
10664 * po/POTFILES.in: Add them.
10665 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10666 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10667 (mkdeps.o): New target.
10669 * cppfiles.c: Delete deps_output.
10670 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10671 OBJECT_SUFFIX, and base_name.
10672 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10674 (initialize_dependency_output): Use deps_init,
10675 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10676 all the unnecessary string bashing.
10677 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10679 * cpplib.c (do_include): Use deps_add_dep.
10680 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10681 deps_allocated_size, deps_size, deps_column members with
10682 single pointer to a struct deps. Delete prototype of
10685 * cppinit.c: Fix thinko in previous patch.
10687 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10689 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10690 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10691 (mode_for_size_tree): New function.
10692 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10693 * tree.h (mode_for_size_tree): New declaration.
10695 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10697 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10699 * stmt.c (is_body_block): Move...
10700 * dwarfout.c, dwarf2out.c: ...from here.
10701 * tree.h: Declare it.
10702 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10703 * final.c (final_start_function): Do call remove_unnecessary_notes
10706 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10708 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10710 * cpplib.h (_dollar_ok): New macro.
10711 (is_idchar, is_idstart): Use it.
10712 (IStable): Rename to _cpp_IStable. Declare it const if
10713 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10714 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10715 is_space): Update for renamed IStable.
10717 * cppinit.c: Delete all references to FAKE_CONST and CAT
10718 macros. Define init_IStable as empty macro if gcc >=2.7 or
10719 C99. Change TABLE() to ISTABLE and hardcode name of table.
10720 (cpp_start_read): Don't change the IStable based on
10723 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10724 changed. Handle '$' for char1 correctly.
10725 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10727 * cppexp.c (tokentab2): Make const.
10728 (cpp_lex): Make toktab const.
10729 * cppinit.c (include_defaults_array): Make const.
10730 (initialize_standard_includes): Make default_include const.
10732 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10734 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10735 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10736 (gen_decl_die): Likewise.
10737 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10738 (output_decl): Likewise.
10740 * varasm.c (make_function_rtl): If we change the name used in the
10741 rtl, update DECL_ASSEMBLER_NAME accordingly.
10742 (make_decl_rtl): Likewise.
10744 * toplev.c (rest_of_compilation): Tweak formatting.
10746 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10747 remove_unnecessary_notes.
10748 (debug_ignore_block): New fn.
10749 * toplev.h: Declare it.
10750 * emit-rtl.c (remove_unncessary_notes): Call it.
10751 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10752 * dwarf2out.h: Declare it.
10753 * final.c (final_start_function): Don't call remove_unnecessary_notes
10754 if we did insn scheduling.
10756 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10758 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10759 * cpplib.h: Delete SET_CPP_PEDANTIC.
10761 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10763 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10764 result is a RECORD_TYPE.
10766 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10768 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10770 2000-03-03 Richard Henderson <rth@cygnus.com>
10772 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10773 addition over compliments over shifts.
10775 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10777 * reload1.c (reload_combine_note_use): Handle return register USEs.
10778 REG case: Handle multi-hard-register hard regs.
10780 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10782 * md.texi: Document use of '*' in insn pattern name.
10784 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10786 * calls.c (special_function_p): operator new may not be malloc-like.
10788 * gcse.c (dump_hash_table): Really fix error in last change.
10790 2000-03-02 Denis Chertykov <denisc@overta.ru>
10792 * avr.c (print_operand): Use print_operand_address instead of
10794 * avr/libgcc.S: Cleanup code.
10796 2000-03-02 Richard Henderson <rth@cygnus.com>
10798 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10800 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10802 * tree.h (TYPE_ALIGN_UNIT): New macro.
10804 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10806 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10808 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10810 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10812 (SET_CPP_PEDANTIC): New macro.
10813 * cpplib.c (do_include): Don't bother checking system_header_p.
10814 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10815 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10817 * function.h (struct expr_status): Add x_arg_space_so_far.
10818 (arg_space_so_far): New macro.
10819 * expr.c (init_expr): Initialize it.
10820 * calls.c (emit_call_1): Reset it.
10821 (compute_argument_block_size, expand_call): Use it.
10822 (expand_call, store_one_arg): Increment it.
10824 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10826 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10829 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10831 * cppfiles.c (cpp_read_file): New function.
10833 * cpphash.c (collect_expansion): Make sure to reset last_token
10834 to NORM when we hit a string. Handle trailing whitespace
10835 properly when the expansion is empty.
10836 (create_definition): Disable line commands while parsing the
10838 (dump_definition): If pfile->lineno == 0, output a line
10839 command ahead of the dump, and add a trailing newline.
10841 * cppinit.c (append_include_chain): Add fifth argument, which
10842 indicates whether or not system headers are C++ aware.
10843 (initialize_standard_includes): New function,
10844 broken out of read_and_prescan. Pass 'cxx_aware' value from
10845 the include_defaults_array on to append_include_chain.
10846 (dump_special_to_buffer): Const-ify char array.
10847 (builtin_array): Don't dump __BASE_FILE__.
10848 (cpp_start_read): Use cpp_read_file. Reorder code for
10849 clarity. Don't output line commands here for -D/-A/-U
10850 switches. Don't call deps_output for files included with
10851 -include or -imacros.
10853 * cpplib.c (do_define): Don't pay any attention to the second
10855 (cpp_expand_to_buffer): Disable line commands while scanning.
10856 (output_line_command): Work in the file buffer.
10857 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10858 Fix formatting of comments. Prototype cpp_read_file.
10860 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10862 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10863 reference the language-equivalent of sizetype.
10864 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10865 * fold-const.c (size_binop, size_diffop): Put back checks.
10866 * gcse.c (dump_hash_table): Fix minor error in last change.
10867 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10868 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10871 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10873 * calls.c (expand_call) Do not attempt to combine stack adjustments
10874 with inhibit_defer_pop set.
10876 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10878 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10879 the DECL_SIZE for a FIELD_DECL.
10881 2000-03-01 Bruce Korb <bkorb@gnu.org>
10883 * fixinc/inclhack.tpl: remove unused symlinks
10884 * fixinc/README: GCC Maintainer info
10885 * fixinc/inclhack.sh: regen
10886 * fixinc/fixincl.sh: regen
10888 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10890 * cpphash.c (collect_expansion): Trim trailing white space
10891 from macro definitions, but don't go past the last insertion
10894 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10896 * i386.md (mulqi3): New pattern.
10898 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10900 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10902 (struct cpp_reader): Add parsing_if_directive and
10903 parsing_define_directive flags.
10904 (struct cpp_options): Remove output_conditionals flag.
10905 (check_macro_name): Delete prototype.
10907 * cpphash.h (struct macrodef): Delete.
10908 (struct reflist): Separate from struct definition.
10909 (struct definition): Remove unused fields. Add column number.
10910 (create_definition): Returns a DEFINITION *. Takes a
10911 cpp_reader * and an int.
10913 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10914 (PEEKC): Copy defn from cpplib.c.
10915 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10917 (struct arglist): Simplify.
10918 (collect_expansion): Rewrite. Get tokens by calling
10919 cpp_get_token. Add more error checking.
10920 (collect_formal_parameters): New function, broken out of
10921 create_definition and reworked to use get_directive_token.
10922 (create_definition): All real work is now in collect_expansion
10923 and collect_formal_parameters. do_define handles finding the
10924 macro name. Return a DEFINITION, not a MACRODEF.
10925 (macroexpand): Replace bcopy with memcpy throughout. Replace
10926 character-at-a-time copy loop with memcpy and pointer increments.
10927 (compare-defs): d1->argnames / d2->argnames might be null.
10929 * cpplib.c (copy_rest_of_line): Delete function.
10930 (skip_rest_of_line): Do all the work ourselves.
10931 (skip_string): New function.
10932 (parse_string): Use skip_string.
10933 (get_macro_name): New function.
10934 (check_macro_name): Delete.
10935 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10936 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10937 (handle_directive): ICE if we're called on a macro buffer.
10938 (do_define): Determine macro name and type (funlike/objlike)
10939 here. Expunge all uses of MACRODEF.
10940 (cpp_push_buffer): Set line_base to NULL.
10941 (do_undef, read_line_number): Don't worry about getting a POP token.
10942 (eval_if_expression): Set/reset parsing_if_directive around
10943 cpp_parse_expr. Don't clear only_seen_white.
10944 (skip_if_group): Remove output_conditionals logic. Use
10946 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10947 tokens under appropriate conditions.
10948 (cpp_unassert): Call do_unassert not do_assert. Oops.
10950 * cppexp.c (parse_defined): New function, break out of
10952 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10953 ourselves, with cpp_defined.
10954 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10956 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10957 * gcc.dg/strpaste-2.c: New.
10959 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10961 * fold-const.c (size_binop): Don't asert inputs are the same and
10962 have TYPE_IS_SIZETYPE set.
10963 (size_diffop): Likewise.
10965 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10967 * dwarfout.c (output_block): Output abstract blocks even if they
10968 don't have TREE_ASM_WRITTEN set.
10970 * calls.c (emit_library_call): Check for null REG.
10972 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10974 * c-decl.c (current_function_decl): Move to toplev.c.
10975 (init_decl_processing): Don't add current_function_decl as a ggc
10977 * dbxout.c (dbxout_symbol): Change return type to int.
10978 (dbxout_symbol_location, dbxout_syms): Likewise.
10979 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10980 any locals. Use current_function_func_begin_label if set.
10981 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10982 * dwarf2out.c (dwarf2out_begin_prologue): Set
10983 current_function_func_begin_label.
10984 * final.c (final_start_function): Reset it.
10985 * toplev.c (current_function_decl): Define it here.
10986 (current_function_func_begin_label): New variable.
10987 (main): Add both as ggc roots.
10988 * tree.h (current_function_func_begin_label): Declare.
10990 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10992 * gcse.c: Cleanups throughout: mostly white-space, but also
10993 some minor rearrangement of code.
10995 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10997 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10998 returns a PARALLEL. Use emit_group_load and use_group_regs
11000 (emit_library_call_value): Similarly.
11002 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
11003 * pa/quadlib.asm: Remove.
11004 * pa/quadlib.c: New file.
11006 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
11007 * configure: Rebuilt.
11009 2000-02-29 Philip Blundell <pb@futuretv.com>
11011 * config/arm/conix-elf.h: New file.
11012 * configure.in (arm*-*-conix*): New configuration.
11013 * configure: Regenerate.
11015 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
11017 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
11018 don't have TREE_ASM_WRITTEN set.
11020 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11022 * Eliminate DECL_FIELD_SIZE.
11023 * builtins.c (built_in_class_names, built_in_names): New variables.
11024 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
11025 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
11026 DECL_SIZE, not DECL_FIELD_SIZE.
11027 * print-tree.c (print_node): Remove code that prints extra blank
11028 lines in some cases.
11029 Properly handle inline and builtin function cases.
11030 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
11031 * tree.h (built_in_class_named, built_in_names): New declarations.
11032 (union tree_decl): Rename internal unions to u1 and u2 and change
11033 some of their components.
11034 Add new field built_in_class.
11035 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
11036 Reflect above changes.
11037 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
11038 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
11039 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
11040 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
11042 2000-02-28 Dmitri Makarov <dim@windriver.com>
11044 * extend.texi: Document ARM's support for long/short calls.
11046 * invoke.texi: Document ARM's -mlong-calls command line switch.
11048 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
11049 (arm_encode_call_attribute): Add prototype.
11050 (arm_set_default_type_attribute): Add prototype.
11051 (arm_strip_name_encoding): Add prototype.
11053 * config/arm/arm.c (arm_init_cumulative_args): replace
11054 initialisation og 'long_calls' field with initialisation of
11055 'call_cookie' field.
11056 (enum arm_pragma_enum): New enum.
11057 (arm_pragma_long_calls): New static variable.
11058 (arm_process_pragma): Also process "#pragma long_calls_off".
11059 (arm_valid_type_attribute_p): Accept short_call attribute.
11060 (arm_comp_type_attributes): Check long/short call attributes.
11061 (arm_encode_call_attribute): New function: Encode long_call
11062 or short_call attribute in function name.
11063 (arm_set_default_type_attributes): New function: Assign
11064 default attributes to newly defined type.
11065 (current_file_function_operand): New function: Return true if
11066 the symbol is a function which has already been compiled.
11067 (arm_is_longcall_p): New function: Return true if the
11068 indicated function should be called via a long call.
11069 (arm_get_strip_length): New function. Returns number of
11070 prefix characters to be stripped from a function's name.
11071 (arm_strip_name_encoding): New function. Strip prefix characters
11072 from a function's name.
11074 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
11075 with 'call_cookie'.
11076 (SHORT_CALL_FAG_CHAR): Define.
11077 (LONG_CALL_FAG_CHAR): Define.
11078 (ENCODED_SHORT_CALL_ATTR_P): Define.
11079 (ENCODED_LONG_CALL_ATTR_P): Define.
11080 (ARM_NAME_ENCODING_LENGTHS): Define.
11081 (STRIP_NAME_ENCODING): Define.
11082 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
11083 (ARM_ENCODE_CALL_TYPE): Define.
11084 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
11085 (ARM_DECLARE_FUNCTION_SIZE): Define.
11086 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
11088 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
11089 if a long call is needed.
11090 (call_value): Ditto.
11091 (call_symbol): Ditto.
11093 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
11094 ARM_DECLARE_FUNCTION_SIZE.
11096 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
11097 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
11098 (ARM_STRIP_NAME_ENCODING): Undefine.
11099 (STRIP_NAME_ENCODING): Undefine.
11100 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
11101 (ASM_DECLARE_FUNCTION_NAME): Ditto.
11102 (ASM_OUTPUT_COMMON): Ditto.
11103 (ASM_DECLARE_OBJECT_NAME): Ditto.
11105 * config/arm/pe.c (arm_dllexport_name_p): Check for
11107 (arm_dllimport_name_p): Ditto.
11108 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
11109 (arm_mark_dllimport): Ditto.
11111 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11113 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
11115 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11117 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11119 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11121 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11122 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11123 NO_BUILTIN_WCHAR_TYPE is not defined.
11124 (CPP_WCHAR_TYPE): Delete.
11125 * cccp.c (main): Don't change wchar_type if cplusplus.
11126 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11128 2000-02-28 Nick Clifton <nickc@cygnus.com>
11130 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11132 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11134 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11135 (ASM_WEAKEN_LABEL): Define.
11137 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11139 * expr.c (store_constructor): Do not emit USE.
11140 * rtl.h (stupid_life_analysis): Remove.
11142 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11144 * function.c (number_blocks): Reset next_block_index based on
11145 what debugging format is used, not what is defined.
11147 * lcm.c: Minor reformatting throughout.
11148 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11150 * toplev.c (rest_of_compilation): Account for time in
11151 optimize_mode_switching.
11153 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11154 if only marking labels.
11156 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11158 * calls.c (expand_call): Attempt to combine stack adjustments with
11159 pending stack adjustments.
11161 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11163 * loop.c (reg_in_basic_block_p): Don't abort when falling through
11164 to the end of the function.
11166 2000-02-27 Mark Mitchell <mark@codesourcery.com>
11168 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
11170 * final.c (next_block_index): Remove.
11171 (max_block_depth): Likewise.
11172 (pending_blocks): Likewise.
11173 (init_final): Don't initialize them.
11174 (final_start_function): Don't set next_block_index. Set up
11176 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
11177 * function.h (number_blocks): New function.
11178 * function.c (get_block_vector): New function.
11179 (identify_blocks): Use it.
11180 (reorder_blocks): Set NOTE_BLOCK.
11181 (number_blocks): New function.
11182 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11183 * tree.h (BLOCK_NUMBER): New macro.
11184 (tree_block): Add block_num field.
11185 * dbxout.c (next_block_number): Remove.
11186 (dbxout_init): Don't set it.
11187 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11188 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11190 * toplev.c (rest_of_compilation): Always call
11191 find_loop_tree_blocks. Fix indentation.
11192 * dwarf2out.c (next_block_number): Remove.
11193 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11194 to determine block numbers.
11195 (gen_inlined_subroutine_die): Likewise.
11196 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11197 (decls_for_scope): Don't increment next_block_number.
11198 * dwarfout.c (next_block_number): Remove.
11199 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11200 to determine block numbers.
11201 (output_inlined_subroutine_die): Likewise.
11202 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11203 (output_decls_for_scope): Don't increment next_block_number.
11204 * sdbout.c (next_block_number): Remove.
11205 (sdbout_block): Use BLOCK_NUMBER.
11206 (sdbout_begin_block): Simplify.
11207 * xcoffout.c (next_block_number): Remove.
11208 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11209 (xcoffout_begin_block): Don't set next_block_number.
11210 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11213 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11215 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11216 (expand_builtin_strcpy): Pass correct type to size_binop.
11217 (expand_builtin_strcmp): Likewise.
11218 Clean up conditional structure.
11219 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11220 (complete_array_type): Don't use size_binop for MAXINDEX.
11221 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11222 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11223 (c_alignof): Use size_one_node.
11224 (build_unary_op): Pass arg of proper type to size_binop.
11225 (really_start_incremental_init, push_init_level): Use sizetype for
11226 constructor{,_bit,_unfilled}_index.
11227 (pop_init_label, output_init_element): Likewise.
11228 (output_pending_init_elements, process_init_element): Likewise.
11229 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11230 * expr.c (store_expr): Use size_int.
11231 (store_constructor): Use proper types for size_binop args.
11232 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11233 (expand_expr_unaligned): Likewise.
11234 (string_contant): Return object of sizetype.
11235 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11236 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11237 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11238 * fold-const.c (int_const_binop): Refine when size_int is called.
11239 (fold_convert): Likewise.
11240 (size_int_wide): Rework to take KIND as arg, only take low order
11241 bits, handle new sizetype_tab datatype, and chain entries in
11243 (size_int_type_wide): New function.
11244 (size_binop): Validate types of arguments.
11245 (ssize_binop): Deleted.
11246 (size_diffop): New function.
11247 (extract_muldiv): Only fold division into multiplication for sizetypes.
11248 * function.c (assign_parms): Use size_diffop and make sure
11249 VAR field is of ssizetype; also pass proper type to size_binop.
11250 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11251 (round_down): Deleted from here.
11252 * store-layout.c (sizetype_tab): Now an array.
11253 (sizetype_set, early_root_list): New variables.
11254 (variable_size): Use size_one_node.
11255 (round_up): Pass proper type to size_binop.
11256 (round_down): Moved to here and corrected as above.
11257 (layout_record): Pass proper arg types to size_binop.
11258 (layout_type): Likewise.
11259 If sizetype_set is zero, record the type just laid out.
11260 (make_unsigned_type): Don't call set_sizetype;
11261 (make_signed_type): Likewise; also, call fixup_signed_type.
11262 (initialize_sizetypes): New function.
11263 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11264 set name of bitsizetype to "bit_size_type".
11265 Fix up type of sizes of all types made before call.
11266 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11267 * tree.c (fix_sizetype): Deleted.
11268 (build_common_tree_nodes): Call initialize_sizetypes.
11269 (build_common_tree_nodes_2): Don't call fix_sizetype.
11270 * tree.h (TYPE_IS_SIZETYPE): New macro.
11271 (initialize_sizetype): New declaration.
11272 (enum size_type_kind): New type.
11273 (struct sizetype_tab): Deleted.
11274 (sizetype_tab): Now array; adjust sizetype macros.
11275 (size_diffop, size_int_type_wide): New functions.
11276 (size_int_wide): Change number of args and type; access macros changed.
11277 (ssize_int, sbitsize_int): New macros.
11278 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11279 (ROUND_TYPE_SIZE_UNIT): New macro.
11281 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11283 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11285 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11287 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11288 Mark as possibly unused.
11290 * cse.c (cse_insn): Delete dead code involving tablejump.
11291 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11293 * Makefile.in (libcpp.a): Start by deleting it.
11295 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11297 * cpplib.h (enum file_change_code): Added rename_file.
11298 * cpplib.c (do_line): If a filename is given, set file_change to
11300 (output_line_command): If file_change is rename_file, always
11301 output a # directive with the file name.
11303 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11305 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11307 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11308 when copying a PARM_DECL or RESULT_DECL.
11310 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11312 * fix-header.c (recognized_function): Also fix prototypes for
11313 functions taking "void".
11315 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11317 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11318 looking at reg_reloaded_contents.
11320 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11322 * Makefile.in (STMP_FIXINC): New toggle.
11323 (LIBGCC2_DEPS): Delete all references.
11324 (stmp-headers): Delete target. All references either deleted
11325 or changed to stmp-int-headers.
11326 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11327 (LIBCPP_OBJS): Take out cppalloc.o.
11328 (cppalloc.o): Delete target.
11329 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11330 (gen-protos, fix-header): Link with libiberty.a.
11331 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11334 * configure.in: Remove refs to strerror.
11335 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11336 * system.h: Take out strerror stanza.
11338 * cpperror.c (my_strerror): Delete function.
11339 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11340 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11341 * cppalloc.c: Delete file.
11342 * gen-protos.c: Don't provide xrealloc.
11344 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11345 xstrerror throughout.
11347 2000-02-26 Bruce Korb <bkorb@gnu.org>
11349 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11350 match for DOS headers, too.
11351 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11353 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11355 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11356 is right for most ELF targets.
11357 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11358 Let the default file use %U properly.
11359 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11362 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11365 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11367 * toplev.c (documented_lang_options): Correct spelling error.
11368 (decode_d_option, decode_f_option, main): Likewise.
11370 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11372 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11373 to tell assembler it is permitted to expand large constants.
11375 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11377 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11378 (aux_info_suffix): Use.
11379 (SAVE_SUFFIX): New macro.
11380 (save_suffix): Use.
11381 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11382 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11383 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11385 * invoke.texi (Running Protoize): Update documentation.
11387 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11389 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11391 2000-02-25 John Wehle (john@feith.com)
11393 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11395 2000-02-25 Anthony Green <green@cygnus.com>
11397 * toplev.c (rest_of_compilation): Rebuild jump labels if
11398 combine_instructions has created a new direct jump.
11399 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11401 (combine_instructions): Call try_combine with new argument.
11402 Return non-null value when new direct jump instruction is created.
11403 * rtl.h: combine_instructions returns an int.
11405 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11407 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11408 jump when changing a computed jump into a jump to a known
11411 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11413 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11414 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11416 * i386.md (define_expand "clrstrsi"): Fix typo.
11418 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11420 * rtl.texi: Fix typo.
11422 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11424 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11425 UNITS_PER_WORD. Change caller initial_elimination_offset.
11426 (rounded_frame_size): Take into account that argument pushed has
11427 changed. Fix TARGET_ALIGN_DOUBLE problem.
11429 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11431 * haifa-sched.c (schedule_block): Explain the real reason
11432 we delete REG_SAVE_NOTEs on the first insn of a block.
11433 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11435 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11437 * input.h (push_srcloc): New function.
11438 (pop_srcloc): Likewise.
11439 * toplev.c (push_srcloc): Define it.
11440 (pop_srcloc): Likewise.
11442 2000-02-24 Richard Henderson <rth@cygnus.com>
11444 * flow.c (life_analysis): When collecting reg info, clear
11447 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11449 Fix bug exposed by reload.c no longer rounding the frame
11450 size to BIGGEST_ALIGNMENT:
11451 * sh.c (rounded_frame_size): New function.
11452 (sh_expand_prologue, sh_expand_epilogue): Use it.
11453 (initial_elimination_offset): Likewise.
11455 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11457 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11458 * sh-protos.h (sh_need_epilogue): Declare.
11459 * sh.c (sh_need_epilogue_known): New static variable.
11460 (sh_need_epilogue): New function.
11461 (function_epilogue): Clear need_epilogue_known.
11462 * sh.md (return): Split into expander / insn pattern.
11463 Make the expander conditional on ! sh_need_epilogue ().
11465 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11467 * machmode.h (get_mode_alignment): Declare.
11468 (GET_MODE_ALIGNMENT): Call it.
11469 * stor-layout.c (get_mode_alignment): New function. Make
11470 sure alignment is always power of 2.
11472 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11474 * i386.h: Remove useless definition of "I386" and misleading
11477 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11479 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11480 under which TREE_PERMANENT will be set.
11481 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11482 build1): Use TREE_SET_PERMANENT.
11483 * print-tree.c (print_node): Don't report value of
11484 TREE_PERMANENT if ggc_p is true.
11486 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11487 decide whether to give a type a new alias set.
11488 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11489 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11490 of value of 'obstack'.
11493 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11495 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11497 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11499 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11500 * cpplib.c (cpp_get_token): Produce them.
11501 * cppexp.c (cpp_lex): Handle them.
11503 2000-02-23 Nick Clifton <nickc@cygnus.com>
11505 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11506 comment tests on type attributes.
11508 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11510 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11511 conform to documentation.
11512 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11513 to check for special cases.
11514 * sh-protos.h (sh_loop_align): Declare.
11515 * sh.c (sh_loop_align): Define.
11517 2000-02-22 Andrew Haley <aph@cygnus.com>
11519 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11520 (SIZE_TYPE): Is 32 bits when using -mgp32.
11521 (PTRDIFF_TYPE): Ditto.
11523 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11525 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11527 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11529 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11530 BIGGEST_FIELD_ALIGNMENT a constant.
11532 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11534 * dwarf2out.c (output_line_info): Put the marker for the end of
11535 the line number info at the actual end.
11536 (gen_struct_or_union_type_die): Use decl_function_context
11537 to check for local classes.
11538 * dwarfout.c (output_type): Likewise.
11540 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11542 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11543 for arguments with a mode, but no type.
11544 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11545 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11546 * pa/long_double.h: New file.
11547 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11548 both have 128bit wide long doubles.
11549 * configure: Rebuilt.
11551 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11553 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11555 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11556 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11557 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11559 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11561 * integrate.c (compare_blocks, find_block): Likewise.
11563 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11565 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11567 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11568 expand_asm_operands): Likewise.
11570 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11572 * predict.c (estimate_probability): Added the pointer heuristic to
11573 the collection of static branch predictors.
11575 2000-02-21 Catherine Moore <clm@cygnus.com>
11577 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11578 * invoke.texi (-mfix7000): Document.
11580 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11582 * diagnostic.c (init_output_buffer): Make it possible to output at
11583 least 32 characters if we're given a too long prefix.
11585 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11587 * varasm.c (initializer_constant_valid_p): Call
11588 lang_expand_constant to simplify the constant.
11590 2000-02-20 Bruce Korb <bkorb@gnu.org>
11592 * fixinc/inclhack.def(stdio_va_list):
11593 typedef needs to be disabled.
11594 * fixinc/inclhack.sh: regen
11595 * fixinc/fixincl.x: regen
11597 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11599 * print-rtl.c (print_rtx): Don't print addresses when
11600 flag_dump_unnumbered.
11602 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11604 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11606 (sparc_va_arg, sparc_flat_output_function_prologue,
11607 sparc_flat_output_function_epilogue): Cast value to unsigned in
11609 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11611 * sparc.md: Add default case in switch.
11613 2000-02-19 Richard Henderson <rth@cygnus.com>
11615 * c-typeck.c (add_pending_init): Don't abort for multiple
11616 fields at the same offset.
11617 (pending_init_member): Test the correct member.
11619 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11621 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11623 (start_catch_handler) : Same.
11625 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11627 * Makefile.in: Have flow.o depend on $(EXPR_H)
11629 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11631 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11632 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11633 (finish_decl): Remove -Wlarger-than code from here.
11634 * flags.h (id_clash_len): Now int.
11635 (larger_than_size): Now HOST_WIDE_INT.
11636 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11637 Clean up checking to see if in table.
11638 (make_bit_field_ref): Remove extra parm to bitsize_int.
11639 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11640 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11641 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11642 and for computing size of decl.
11643 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11644 Move -Wlarger-than code to here.
11645 (layout_record): Remove extra arg to bitsize_int.
11646 Set TYPE_BINFO_SIZE_UNIT.
11647 (layout_union): Remove extra arg to bitsize_int.
11648 Use proper type for size of QUAL_UNION.
11649 (layout_type): Remove extra arg to bitsize_int.
11650 * toplev.c (id_clash_len): Now int.
11651 (larger_than_size): Now HOST_WIDE_INT.
11652 (decode_W_option): Clean up id-clash and larger-than- cases.
11653 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11654 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11655 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11656 (struct tree_decl): New field size_unit.
11657 (size_int_wide): No HIGH operand; NUMBER is now signed.
11658 (size_int_2): Deleted.
11659 (size_int, bitsize_int): Don't use it and rework args.
11660 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11662 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11664 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11666 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11668 * invoke.texi (Warning Options): Add an explanation of why
11669 you might want the -Wfloat-equal flag.
11671 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11673 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11674 * cppinit.c (new_pending_define): Add cast to avoid warning.
11675 * expmed.c (extract_bit_field): Likewise.
11676 * flow.c (enum reorder_skip_type): New type.
11677 (skip_insns_between_blcok): New it.
11678 Rework to avoid warning about possibly undefined variable.
11679 * function.c (assign_parms): Make thisparm_boundary unsigned.
11680 * genrecog.c (write_switch): Cast XWINT result to int.
11681 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11682 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11683 one for MIPS and one for Alpha.
11684 (get_tag, copy_object): Add casts to avoid warnings.
11685 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11686 * reload.c (find_reloads): Make TYPE enum reload_type.
11687 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11688 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11689 * varasm.c (compare_constant_1): Add cast to avoid warning.
11690 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11692 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11693 Cast switch operand of size to int.
11694 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11695 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11698 2000-02-18 Nick Clifton <nickc@cygnus.com>
11700 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11701 anything for an alignment of zero.
11703 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11704 anything for an alignment of zero.
11706 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11708 * gcc.texi (Bug Reporting): Refer to bugs.html.
11709 (Bug Lists): Likewise.
11710 * system.h (GCCBUGURL): New preprocessor define.
11711 * rtl.c (fancy_abort): Use it.
11712 * gcc.c (main): Likewise.
11714 2000-02-18 Richard Henderson <rth@cygnus.com>
11716 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11717 (life_analysis_1): Subsume into ...
11718 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11719 Use update_life_info for the relaxation.
11720 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11721 entry and regs_live_at_setjmp.
11722 (set_noop_p): Simplify.
11723 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11724 (record_volatile_insns): Split into ...
11725 (delete_noop_moves): ... here,
11726 (notice_stack_pointer_modification): ... here,
11727 (insn_dead_p): ... and here.
11728 (propagate_block): Don't query INSN_VOLATILE.
11729 (mark_used_regs): Mind !PROP_REG_INFO.
11730 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11731 not in life_analysis.
11733 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11735 * loop.c (canonicalize_condition): New function,
11736 broken out of get_condition.
11737 (get_condition): Use it.
11738 * expr.h (canonicalize_condition): Prototype it.
11740 * tree.h (tree_int_cst_msb): Declare.
11741 * tree.c (tree_int_cst_msb): New function.
11743 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11745 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11748 * invoke.texi (-fmessage-length=n): Document.
11750 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11752 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11754 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11756 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11757 after the prologue.
11759 2000-02-17 Nick Clifton <nickc@cygnus.com>
11761 * config/arm/thumb.c: Replace includes of system headers with
11762 #include "system.h".
11764 2000-02-16 Richard Henderson <rth@cygnus.com>
11766 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11767 Add crtbeginS.o and crtendS.o.
11768 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11769 (ENDFILE_SPEC): Use crtendS.o.
11770 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11772 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11773 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11774 shared and present.
11775 (__dso_handle): New variable.
11776 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11777 bias to __CTOR_END__.
11779 2000-02-16 Richard Henderson <rth@cygnus.com>
11781 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11783 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11785 * longlong.h (__clz_tab): Declare as static to match definition.
11787 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11789 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11790 (XREF_FILE_NAME): Define.
11792 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11793 (EH_FRAME_SECTION_ASM_OP): Define.
11794 (IDENT_ASM_OP): Define.
11795 (TEXT_SECTION_ASM_OP): Define.
11796 (CPP_SPEC): Define.
11797 (CTORS_SECTION_ASM_OP): Define.
11798 (CTOR_SECTION_FUNCTION): Use it.
11799 (DTORS_SECTION_ASM_OP): Define.
11800 (DTOR_SECTION_FUNCTION): Use it.
11802 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11804 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11807 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11808 debug_bb_n): New functions.
11809 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11810 * basic-block.h: Prototype new functions.
11812 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11814 * configure.in: Add support for avr target.
11815 * configure: Rebuilt.
11817 * invoke.texi: Add AVR invocation docs.
11818 * install.texi: Add information about AVR.
11819 * md.texi: Add AVR constraint letters description.
11820 * extend.texi: Add description for AVR specific attributes.
11822 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11824 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11826 2000-02-16 Nick Clifton <nickc@cygnus.com>
11828 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11829 (make_insn_raw): Move RTL check here.
11831 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11833 * version.c: Include gansidecl.h and version.h.
11835 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11837 * configure.in (gcc_version): When setting, narrow search to
11838 lines containing `version_string'.
11840 * Makefile.in (mainversion): Likewise.
11841 (GCC_H): New variable.
11842 (gcc.h): Delete target.
11843 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11844 (version.o): Depend on version.h.
11845 (dbxout.o): Don't depend on gcc.h.
11847 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11848 Michael Meissner <meissner@cygnus.com>
11850 * md.texi (Simple Constraints): Add item about whitespace.
11851 * genoutput.c (strip_whitespace): New.
11852 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11853 strip_whitespace for constraints.
11854 Test pointer using NULL, not 0.
11856 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11858 * cpplib.c (do_line): Pedwarn for #line > 32767.
11860 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11862 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11864 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11865 to default cpp spec.
11866 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11867 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11870 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11873 2000-02-15 Denis Chertykov <denisc@overta.ru>
11875 * configure.in: Add support for avr target.
11877 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11879 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11880 (sh_addr_diff_vec_mode): Don't declare.
11881 * sh.c (sh_addr_diff_vec_mode): Delete.
11883 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11885 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11887 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11889 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11890 (smulsi3_highpart_i): Name.
11891 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11892 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11893 (smulsi3_highpart, umulsi3_highpart): Likewise.
11895 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11896 correctly independent of endianness.
11897 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11898 confuse the optimizers.
11899 (mulsidi3+1, umulsidi3+1): New define_split.
11901 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11903 * config/sh/sh.md: Guard insn splits against illegal registers.
11904 * config/sh/sh.h: Correct comment about macros.
11906 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11907 Andrew MacLeod <amacleod@cygnus.com>
11909 * Makefile.in (lcm.o): Depend on insn-attr.h.
11910 * basic-block.h (optimize_mode_switching): Declare.
11911 * lcm.c (tm_p.h, insn-attr.h): #include.
11912 (seginfo, bb_info): New structs.
11913 (antic, transp, comp, delete, insert) : New file-scope static variables.
11914 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11915 (reg_becomes_live, optimize_mode_switching): Likewise.
11916 * tm.texi: Add description of mode switching macros.
11917 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11919 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11920 (fldi_ok, fpscr_set_from_mem): New prototypes.
11921 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11922 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11923 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11924 (sh_flag_remove_dead_before_cse): Remove declaration.
11925 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11926 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11927 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11928 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11929 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11930 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11931 (fldi_ok): New function.
11932 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11933 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11934 (emit_df_insn): Likewise.
11935 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11936 (sh_flag_remove_dead_before_cse): Delete.
11937 (get_free_reg, fpscr_set_from_mem): New functions.
11938 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11939 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11941 2000-02-15 Loren Rittle <ljrittle@acm.org>
11943 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11945 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11947 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11948 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11950 * cccp.c: Include version.h and/or don't declare `version_string'.
11951 * collect2.c: Likewise.
11952 * alpha.c: Likewise.
11953 * arm/aof.h: Likewise.
11954 * arm/coff.h: Likewise.
11955 * arm/elf.h: Likewise.
11956 * arm/pe.h: Likewise.
11957 * arm/tcoff.h: Likewise.
11958 * arm/telf.h: Likewise.
11959 * arm/tpe.h: Likewise.
11960 * arm/vxarm.h: Likewise.
11961 * convex/convex.c: Likewise.
11962 * i386/dgux.c: Likewise.
11963 * i386/sun386.h: Likewise.
11964 * m88k/m88k.c: Likewise.
11965 * mcore/mcore-pe.h: Likewise.
11966 * mips/mips.h: Likewise.
11967 * romp/romp.h: Likewise.
11968 * sh/sh.c: Likewise.
11969 * cpphash.c: Likewise.
11970 * cppinit.c: Likewise.
11971 * dwarf2out.c: Likewise.
11972 * dwarfout.c: Likewise.
11975 * mips-tfile.c: Likewise.
11976 * protoize.c: Likewise.
11977 * toplev.c: Likewise.
11978 * tree.h: Likewise.
11980 * version.c (version_string): Constify a char*.
11982 * version.h: New file.
11984 2000-02-14 Nick Clifton <nickc@cygnus.com>
11986 * configure.in: Add mcore-elf and mcore-pe targets.
11987 * configure: Regenerate.
11989 * NEWS: Add note that MCore port has been contributed.
11991 * invoke.texi: Document command line switches for MCore port.
11992 * install.texi: Add MCore to list of supported targets.
11994 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11996 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11997 then we will need to import the frame handling functions.
11998 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11999 to import the frames themselves.
12001 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
12002 Jason Eckhardt <jle@cygnus.com>
12004 * basic_block.h: Added prototype for reorder_basic_blocks.
12005 * toplev.c: Changes to add -freorder-blocks and graph dump after
12006 block reordering is done.
12007 * flow.c (reorder_block_def): New structure for use during block
12009 (REORDER_BLOCK_*): New macros to access members of above structure.
12010 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
12011 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
12012 functions for block reordering.
12014 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
12016 * gcc.texi (Passes): Fix typo.
12017 * md.texi (Standard Names): Ditto.
12018 * tm.texi (Storage Layout): Ditto.
12020 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12022 * cpplib.c (do_define): Only free the old definition if it
12025 2000-02-13 Neil Booth <NeilB@earthling.net>
12027 * cppfiles.c (read_and_prescan): When emitting deferred
12028 newlines, test speccase[] again instead of checking each
12029 possible whitespace character in turn. When we encounter \r,
12030 look behind for \n first, then ahead.
12032 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12034 * cse.c (cse_altered): New internal flag.
12035 (cse_insn): Set it if we changed an insn.
12036 (cse_main): Clear cse_altered before each basic block.
12037 Only garbage collect if cse_altered is true afterward.
12039 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12041 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
12043 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
12045 * combine.c (simplify_comparison): Fix typo.
12047 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
12049 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
12052 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12054 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
12055 previously inserted node instead of root node. Caller changed.
12057 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12059 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
12061 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12063 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
12064 __dereg_frame_dtor): Add prototype argument.
12066 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
12068 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
12070 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
12072 * gthr-vxworks.h (__gthread_once): Likewise.
12074 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
12076 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
12078 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
12079 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
12080 stack pointer in functions w/o saved registers, output LEAVE more often
12081 on TARGET_USE_LEAVE machines.
12083 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
12085 * config/arm/arm.c (arm_init_cumulative_args); New function:
12086 Initlaise the CUMULATIE_ARGS strcuture for a function
12088 (arm_function_arg): New function: Determine where to place a
12089 function's argument. Also handles deciding the function's
12091 (current_file_function_operand): New function: Return true if
12092 the symbol is a function which has already been compiled.
12093 (arm_is_long_call_p): New function: Return true if the
12094 indicated function should be called via a long call.
12095 (arm_valid_type_attribute_p): New function: Return true if the
12096 attribute is a valid, arm specific, attribute.
12097 (arm_comp_type_attribute): New function: Return true if the
12098 two types have compatable, arm specific, attributes.
12100 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
12102 (FUNCTION_ARG): Redefine to call arm_function_arg.
12103 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
12105 (INIT_CUMULATIVE_ARGS): Redefine to call
12106 arm_init_cumulative_args.
12107 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
12109 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
12111 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
12113 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
12114 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
12115 (COMP_TYPE_ATTRIBUTES): Define.
12117 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12118 if a long call is needed.
12119 (call_value): Call arm_is_long_call_p to decide if a long call
12121 (call_symbol): Call arm_is_long_call_p to decide if a long call
12124 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12126 2000-02-11 Denis Chertykov <denisc@overta.ru>
12128 * README.AVR: New file with information about the avr ports.
12129 * config/avr: New directory with avr port files.
12131 2000-02-11 Andreas Jaeger <aj@suse.de>
12133 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12135 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12137 * cpphash.c: Fix formatting, update commentary.
12138 (dump_definition): Take three separate arguments instead of a
12139 MACRODEF structure argument.
12140 * cpphash.h: Update prototype of dump_definition.
12141 * cppinit.c (cpp_finish): Update call of dump_definition.
12143 * cpplib.c (do_define): Always create new hash entry with
12144 T_MACRO type. Remove redundant check for redefinition of
12145 poisoned identifier. Update call of dump_definition.
12146 (do_undef): Don't call check_macro_name. Rename sym_length to
12148 (do_error, do_warning): Don't use copy_rest_of_line or
12150 (do_warning): Don't use pedwarn for the actual warning,
12151 only the notice about its not being in the standard. (Fixes
12152 bug with #warning in system headers.)
12153 (do_ident): Stricter argument checking - accept only a single
12154 string after #ident. Also, macro-expand the line.
12155 (do_xifdef): Use cpp_defined. De-obfuscate.
12157 (do_pragma): Split out specific pragma handling to separate
12158 functions. Use get_directive_token. Update commentary. Do
12159 not pass on #pragma once or #pragma poison to the front end.
12160 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
12161 do_pragma_default): New.
12163 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
12165 * jump.c (jump_optimize_1): The first operand in a relational
12166 can be a CONST_INT.
12167 * optabs.c (emit_conditional_move): Handle relationals which
12168 have a known true/false result.
12170 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12172 * function.c (thread_prologue_and_epilogue_insns): Don't insert
12173 a RETURN insn into a block which already ends with a jump.
12175 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12177 * haifa-sched.c (BUF_LEN): Increase a lot.
12179 2000-02-11 Nick Clifton <nickc@cygnus.com>
12181 * configure.in: Add tm_p_file specification for thumb targets.
12182 * configure: Regenerate.
12184 * config/arm/thumb-protos.h: New file: Prototypes for exported
12185 functions defined in thumb.c.
12187 2000-02-11 Robert Lipe <robertl@sco.com>
12189 * Makefile.in (bootstrap-lean): Remove additional files.
12190 (bootstrap2-lean): Likewise.
12191 (VOL_FILES): List of files for above.
12193 2000-02-11 Nathan Sidwell <nathan@acm.org>
12195 * cpphash.c (special_symbol): Remove spurious argument to
12198 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12200 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12202 * configure: Rebuilt.
12204 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12206 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12208 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12210 * pa.c, pa.h: Remove trigraph sequences within comments.
12212 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12214 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12216 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12218 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12220 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12222 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12224 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12226 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12227 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12228 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12229 (ASM_FILE_END): Use c4x_file_end.
12230 * config/c4x/c4x.c (c4x_global_label): New function.
12231 (c4x_external_ref, c4x_file_end): Likewise.
12233 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12234 (c4x_external_ref, c4x_end_file): Likewise.
12236 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12238 * cppexp.c: Don't include cpphash.h.
12239 (parse_charconst, cpp_lex): Use cpp_defined.
12240 (cpp_lex): Use get_directive_token throughout. Remove
12241 unnecessary cases from switch. Move assertion-handling code
12242 down to OTHER case.
12243 (cpp_parse_expr): If we see '+' or '-', check the context to
12244 determine if they are unary or binary operators. Streamline
12245 the jumps a bit. Do not call skip_rest_of_line.
12247 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12248 static. Export get_directive_token. Update commentary.
12249 (cpp_defined): New function.
12250 (do_define): Remove reference to T_PCSTRING. Call
12251 free_definition to release memory for old definition, when
12252 redefining a macro.
12253 (eval_if_expression): Set only_seen_white to 0 before calling
12254 cpp_parse_expr. Call skip_rest_of_line after it returns.
12255 (cpp_read_check_assertion): Don't preserve a pointer into the
12256 token buffer across a call to cpp_get_token.
12258 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12259 * cppfiles.c (redundant_include_p): Use cpp_defined.
12260 * cpphash.c (free_definition): New function.
12261 (delete_macro): Use it. Update commentary.
12262 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12264 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12265 from enum node_type. Prototype cpp_defined and get_directive_token.
12266 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12268 * fix-header.c (check_macro_names): Use cpp_defined.
12269 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12270 the options structure.
12272 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12274 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12276 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12278 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12279 rather than die->die_tag.
12281 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12283 * combine.c (make_extraction, force_to_mode): Avoid warning on
12284 mixed-signedness conditionals.
12285 (make_field_assignment, nonzero_bits): Likewise.
12286 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12287 (store_split_bit_field, extract_split_bit_field): Likewise.
12288 (extract_fixed_bit_field, store_bit_field,
12289 * expr.c: Change alignment to be unsigned everywhere.
12290 (move_by_pieces, store_constructor_field, store_constructor):
12291 Alignment parm is unsigned.
12292 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12293 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12294 (do_compare_rtx_and_jump): Likewise.
12295 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12296 Compare align with GET_MODE_ALIGNMENT.
12297 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12298 (get_inner_reference): Likewise.
12299 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12300 (expand_assignment): Local vars for alignment now unsigned.
12301 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12302 (do_compare_and_jump): Likewise.
12303 (store_field): Call new function expr_align.
12304 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12305 Alignment arg now unsigned.
12306 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12307 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12308 (extract_bit_field): Likewise.
12309 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12310 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12311 (get_best_mode): Alignment arg is unsigned.
12312 * rtl.h (move_by_pieces): Likewise.
12313 * store-layout.c (maximum_field_alignment, set_alignment):
12315 (layout_decl): Alignment arg is now unsigned.
12316 Remove unneeded casts.
12317 (layout_record, layout_union, layout_type): Remove unneeded casts.
12318 Local alignment variables now unsigned.
12319 (get_best_mode): Alignment arg now unsigned.
12320 * tree.c (expr_align): New function.
12321 * tree.h (expr_align): Likewise.
12322 (maximum_field_alignment, set_alignment): Now unsigned.
12323 (get_inner_reference): Alignment argument is now pointer to unsigned.
12324 * varasm.c (assemble_variable): Add cast to eliminate warning.
12326 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12328 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12329 then store directly into op0.
12331 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12332 the CALL_INSN, and emit the note immediately after it.
12334 2000-02-10 Nick Clifton <nickc@cygnus.com>
12336 * config/arm/thumb.md (epilogue): Include a (return) in the
12337 generated insn, and emit it using emit_jump_insn not
12340 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12342 * function.c (assign_temp): Change zero-sized arrays to size 1.
12343 * integrate.c (expand_inline_function): Do not update
12344 stack_alignment_needed
12345 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12346 add some sanity checking, remove optimization for function with
12349 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12351 * flow.c (mark_regs_live_at_end): Delete unused variables.
12353 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12355 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12356 in macro FRAME_GROWS_DOWNWARD.
12358 * stmt.c (expand_end_bindings): Delete unused variable.
12360 * unroll.c (iteration_info): Mark parameter `loop' with
12363 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12365 * fixinc/server.c (load_data): Return NULL if the marker line is
12367 (run_shell): If load_data returns NULL, retry the command once, in
12370 * configure: Rebuilt.
12372 2000-02-09 Bruce Korb <bkorb@gnu.org>
12374 * gcc/fixincludes: ** DELETED **
12375 * gcc/fixcpp: ** DELETED **
12376 * gcc/fixinc-nt.sed: ** DELETED **
12377 * gcc/just-fixinc: ** DELETED **
12378 * gcc/Makefile.in: Removed out-dated commentary
12379 * gcc/configure.in: Removed fast-fixincludes disablement.
12380 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12382 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12383 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12386 2000-02-09 Richard Henderson <rth@cygnus.com>
12388 * jump.c (delete_insn): Don't delete user labels at -O0.
12390 2000-02-09 Robert Lipe <robertl@sco.com>
12392 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12393 Don't link with HOST_LIBS.
12395 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12397 * configure.in: Correct --help text for --with-dwarf2.
12398 Put tm-dwarf2.h after other tm files, if it's requested.
12399 * configure: Regenerate.
12400 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12403 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12405 * cpplib.h: Provide HASHNODE typedef and forward decl of
12406 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12407 DEFINITION, struct hashnode, struct macrodef, struct
12408 definition, scan_decls prototype, default defn of
12409 INCLUDE_LEN_FUDGE moved elsewhere.
12411 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12412 definition, and struct hashnode moved here. Remove the unused
12413 'predefined' field from struct definition. Replace the 'args'
12414 union with its sole member. All users updated (cpphash.c).
12415 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12416 multiple include guard.
12418 * cpphash.c (hashf): Make static; use better algorithm; drop
12419 HASHSIZE parameter; return an unsigned int.
12420 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12421 used. Calculate HASHSIZE modulus here.
12422 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12424 (create_definition): Drop PREDEFINITION parameter.
12425 * cpplib.c (do_define): Don't calculate a hash value here.
12426 Don't pass (keyword == NULL) to create_definition.
12428 * scan.h: Prototype scan_decls here.
12429 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12430 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12431 callers of cpp_lookup and cpp_install updated.
12433 * cpphash.c (macarg): Hoist all the flag diddling out of the
12435 (macroexpand): ... and out of the loop that calls macarg.
12436 Skip over the initial paren before macro arguments with
12437 cpp_get_non_space_token; point may be some distance before
12438 that paren. Abort if it's not there.
12440 * cpplib.c (parse_clear_mark): Delete function.
12441 (parse_set_mark, parse_goto_mark): Make static.
12442 (ACTIVE_MARK_P): New macro.
12443 (skip_block_comment, skip_line_comment): Do not bump the line
12444 if ACTIVE_MARK_P is true.
12445 (cpp_pop_buffer): The buffer to be popped may not have an
12447 (cpp_get_token): When looking for the initial paren before
12448 macro arguments, only set a mark in a file buffer, Always
12449 return to that mark before proceeding to call macroexpand or
12450 return a NAME token.
12452 * cpplib.h: Remove prototypes of parse_set_mark,
12453 parse_clear_mark, parse_goto_mark.
12454 (struct cpp_options): Rename 'put_out_comments' to
12455 'discard_comments' and invert its sense.
12456 * cppinit.c, cpphash.c, cpplib.c: All users of
12457 put_out_comments changed to use discard_comments, with
12460 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12462 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12463 the edge from a block that both jumps and falls through to the
12466 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12468 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12469 constant source address is legitimate.
12471 2000-02-09 Philip Blundell <pb@futuretv.com>
12473 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12476 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12478 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12480 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12482 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12483 ends with a newline and a NUL. Don't be so clever manipulating
12486 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12488 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12489 not to BIGGEST_ALIGNMENT.
12491 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12493 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12494 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12495 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12496 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12497 * frame.c (execute_cfa_insn): Handle
12498 DW_CFA_GNU_negative_offset_extended.
12500 2000-02-08 Richard Henderson <rth@cygnus.com>
12502 * flow.c (tidy_fallthru_edges): Split out from ...
12503 (delete_unreachable_blocks): ... here.
12504 (find_basic_blocks): Use it.
12506 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12508 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12510 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12512 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12513 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12514 (fix-header.o): Don't depend on cpphash.h.
12516 * scan.c (hashstr): New function.
12517 * scan.h: Prototype it.
12518 * fix-header.c: Don't include cpphash.h. Use hashstr.
12519 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12520 hashstr. Report hash table statistics. Add private
12521 definition of xrealloc.
12523 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12525 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12527 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12529 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12530 jumps with returns unless they are jumps to the fallthru block.
12532 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12534 * i386.md (addqi3_cc): Fix contraints.
12536 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12538 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12540 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12542 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12543 carriage return after a macro name.
12545 2000-02-07 Fred Fish <fnf@be.com>
12547 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12548 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12550 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12552 * cppfiles.c (deps_output): Count spacers in deps_column.
12554 2000-02-07 Neil Booth <NeilB@earthling.net>
12556 * cppinit.c (initialize_dependency_output): If there is no
12557 suffix, don't try to look for known suffixes. Use strrchr.
12558 (cpp_start_read): Remove duplicate initialization.
12560 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12562 * calls.c (compute_argument_block_size): New argument
12563 preferred_stack_boundary.
12564 (expand_call): update cfun->preferred_stack_boundary, update call of
12565 compute_argument_block_size
12566 (emit_library_call): Increate cfun->preferred_stack_boundary
12567 to PREFERRED_STACK_BOUNDARY
12568 (emit_library_call_value): Likewise.
12569 * explow.c (allocate_dynamic_stack_spave): Likewise.
12570 * function.c (prepare_function_start): Set
12571 cfun->preferred_stack_boundary
12572 * function.h (struct function): Add preferred_stack_boundary field.
12573 * integrate.c (expand_inline_function): Update
12574 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12575 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12576 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12578 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12580 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12581 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12582 cpp_pedwarn, cpp_pedwarn_with_line,
12583 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12584 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12585 v_cpp_error_with_line, v_cpp_warning_with_line,
12586 cpp_message_from_errno, cpp_perror_with_name): Delete.
12588 * cpperror.c (cpp_print_containing_files): Take starting
12589 buffer as argument.
12590 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12591 (v_cpp_message): Now called directly by all entry points.
12593 (cpp_pfatal_with_name, cpp_message): Delete.
12594 (cpp_notice_from_errno, cpp_ice): New functions.
12595 (cpp_notice): Is now for reporting error conditions, just
12596 without an associated file.
12597 (cpp_error, cpp_error_with_line): Don't do anything if
12598 opts->inhibit_errors is on.
12599 (cpp_pedwarn_with_file_and_line): Take column argument also.
12601 * cpplib.h: Update prototypes of exported functions.
12602 (struct cpp_options): Add inhibit_errors.
12604 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12605 non-error messages. Include intl.h.
12607 * cppinit.c, cppmain.c: Likewise. Also, use
12608 cpp_notice_from_errno instead of cpp_perror_with_name or
12609 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12611 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12612 report internal errors.
12614 * cpplib.c (do_define): Switch bcopy to memcpy.
12615 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12617 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12618 bail out early if we hit a line comment.
12620 2000-02-06 Richard Henderson <rth@cygnus.com>
12622 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12623 * basic-block.h: Declare them.
12624 * emit-rtl.h (active_insn_p): New.
12625 (next_active_insn, prev_active_insn): Use it.
12626 * rtl.h: Declare it.
12627 * function.c (emit_return_into_block): New.
12628 (thread_prologue_and_epilogue_insns): Insert return insns instead
12629 of epilogues when possible.
12630 * jump.c (jump_optimize_1): Remove code to insert a return insn
12631 on the fallthru to the exit block.
12633 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12634 and for non-empty stack frames.
12635 * i386.md (return): Expand to return-pop as needed.
12637 2000-02-06 Richard Henderson <rth@cygnus.com>
12639 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12640 constant to op1 for testing.
12642 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12644 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12645 (fixuns_truncqfqi2): Use it.
12647 2000-02-06 Richard Henderson <rth@cygnus.com>
12649 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12650 as a TYPE_LEA insn.
12652 * i386.md (widening and peepholes): Mask the constant instead of
12655 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12657 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12658 input pointer before possibly branching off to the backslash
12660 * cpphash.c (macroexpand): Correctly delete \r escapes when
12661 stringifying parameters.
12662 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12663 if we can; bail out early if we hit a line comment.
12664 (handle_directive): Treat '# 123' in an .S file just like
12665 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12666 Return 1 for '# not_a_directive'.
12667 (get_directive_token): Pop macro buffers here, so that
12668 cpp_get_token can't sneakily move past a newline.
12670 (cpp_get_token): goto randomchar if handle_directive returns 0.
12672 * cppalloc.c: Update copyright.
12673 * cpplib.c: Merge all the static function prototypes into one
12675 * cpplib.h: Remove #if 0 block.
12677 * cpperror.c: Remove #ifdef EMACS block.
12678 * cppmain.c: Likewise.
12679 * cpphash.c: Remove #if 0 blocks.
12680 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12681 * cpplib.c: Remove #if 0 blocks and code referencing
12682 pcp_inside_if or for_lint. Remove duplicate error message.
12683 Fix error messages for #else after #else or #elif. Reformat.
12684 Remove archaic TODO list.
12685 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12687 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12689 * i386/osf1elf.h: Add missing backslash to multiline string.
12691 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12693 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12695 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12697 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12699 * c-common.c: Include expr.h.
12701 * c-pragma.c (mark_align_stack): Add prototype.
12703 * caller-save.c (add_stored_regs): Likewise.
12705 * combine.c (record_promoted_value): Likewise.
12707 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12710 * cppinit.c (new_pending_define): Likewise.
12712 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12714 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12715 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12716 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12717 class_scope_p): Likewise.
12719 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12720 dwarf2out_add_library_unit_info): Likewise.
12722 * ggc.h (ggc_page_print_statistics): Likewise.
12724 * haifa-sched.c (propagate_deps): Likewise.
12726 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12728 * rtl.h (set_stack_check_libfunc): Likewise.
12730 * toplev.h (set_fatal_function): Likewise.
12732 * toplev.c (set_fatal_function): Delete prototype.
12734 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12736 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12738 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12739 (FUNC_END): Likewise.
12741 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12743 * caller-save.c: Include tm_p.h.
12745 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12747 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12749 2000-02-04 Neil Booth <NeilB@earthling.net>
12751 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12754 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12756 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12757 * genflags.c: Use the max_operand_1 logic from genemit.c to
12758 calculate how many arguments gen_insn prototypes have. Remove
12759 NO_MD_PROTOTYPES ifdefs from the generated file.
12760 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12761 file. Cast gen_insn initializers to insn_gen_fn.
12762 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12763 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12765 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12767 * fixinc/Makefile.in (HDR): Add machname.h.
12770 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12772 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12773 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12774 (c4x_cpu_version): Ditto.
12775 * config/c4x/c4x-protos.h: ... here.
12777 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12779 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12780 gen_abstract_function on our context if we're a nested function.
12782 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12784 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12785 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12787 2000-02-04 Bruce Korb <bkorb@gnu.org>
12789 * fixinc/genfixes(machname.h):
12790 Move the functionality from gen-machine.h into this file.
12791 UNdef MN_NAME_PAT if there are no names to change.
12792 Also, be a little kinder when AutoGen is not present.
12794 * fixinc/Makefile.in(machname.h):
12795 Change the generation rule to use genfixes.
12797 * fixinc/fixfixes.c(machine_name):
12798 machine_name_fix's functionality now dependent upon whether
12799 MN_NAME_PAT is defined.
12801 * fixinc/fixtests.c(machine_name):
12804 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12807 * fixinc/fixlib.h(mn_get_regexps):
12810 * fixinc/gen-machine.h: DELETED
12812 2000-02-04 Jan Hubicka <jh@suse.cz>
12813 Richard Henderson <rth@cygnus.com>
12815 * i386.c (SAVE_REGS_FIRST): Remove.
12816 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12817 (ix86_compute_frame_size): Likewise.
12818 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12819 (ix86_emit_restore_regs): Remove.
12820 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12821 when a frame pointer is in use.
12822 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12823 instead of pop to restore a register when profitable; emit leave
12825 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12826 as a TYPE_LEA insn.
12827 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12828 * i386.md (prologue_allocate_stack): Remove.
12829 (epilogue_deallocate_stack): Remove.
12830 (pro_epilogue_adjust_stack): New.
12832 2000-02-04 Richard Henderson <rth@cygnus.com>
12834 * function.c (diddle_return_value): Rework to use a callback function.
12835 Use current_function_return_rtx if it's been set up.
12836 (do_clobber_return_reg, clobber_return_register): New.
12837 (do_use_return_reg, use_return_register): New.
12838 (expand_function_end): Use them.
12839 * stmt.c (expand_null_return): Likewise.
12840 * function.h: Declare them.
12841 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12842 (mark_reg): Change arguments as appropriate for callback.
12843 * integrate.c (expand_inline_function): Revert 19 Jan change.
12845 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12847 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12848 (Misc): Say the scheduler, not the Haifa scheduler.
12850 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12852 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12853 when in_mem is set. Update all callers.
12855 2000-02-04 Richard Henderson <rth@cygnus.com>
12857 * i386/openbsd.h (INT_ASM_OP): Define.
12859 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12861 * tm.texi: Fix various typos.
12863 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12865 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12866 (MD_STARTFILE_PREFIX_1): New macro.
12868 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12870 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12871 destination when needed.
12872 (strmovsi, strsetsi): New expander.
12873 (strmovsi_1, strsetsi_1): New pattern.
12874 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12875 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12876 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12877 * invoke.texi (align-stringops, inline-all-stringops): Document.
12879 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12881 * i386/netbsd.h (INT_ASM_OP): Define.
12883 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12885 * cpplib.h (cpp_reader): Add new flag, no_directives.
12886 * cpphash.c (macarg): Set it.
12887 * cpplib.c (handle_directive): If no_directives is on and we
12888 find a directive, issue an error and discard the line.
12890 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12892 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12893 FP constants. Add ! TARGET_FPU check for FP constants.
12895 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12897 * flow.c (find_basic_blocks): Don't kill label_value_list
12899 (cleanup_cfg): Kill it here.
12901 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12903 * expr.c (store_field): Ensure ALIGN is no stricter than the
12906 2000-02-02 Richard Henderson <rth@cygnus.com>
12908 * jump.c (delete_insn): Partially revert 19 Jan change;
12909 don't convert unused code labels to notes at -O0.
12911 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12913 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12914 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12916 2000-02-01 Richard Henderson <rth@cygnus.com>
12918 * i386.c (general_no_elim_operand): New.
12919 (nonmemory_no_elim_operand): New.
12920 (ix86_expand_move): Copy eliminable operands before a push.
12921 * i386-protos.h: Declare new functions.
12922 * i386.h (CAN_ELIMINATE): Simplify.
12923 (PREDICATE_CODES): Update.
12924 * i386.md (push insns): Don't allow eliminable register operands.
12926 2000-02-01 Richard Henderson <rth@cygnus.com>
12928 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12929 replace BLKmode with DECL_RTL's mode.
12931 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12933 * frame.c (find_fde): Convert for loop to do-while so compiler
12934 sees it's always executed at least once.
12935 * libgcc2.c (BBINBUFSIZE): Kill.
12936 (__bb_init_prg): Use fgets.
12937 (__bb_exit_trace_func): Don't paste strings.
12938 * unroll.c (unroll_loop): Initialize unroll_type, not
12939 unroll_number, and tweak logic to match.
12941 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12943 (ix86_flags_dependant): Likewise. Disentangle control flow.
12944 (ix86_sched_reorder): Break guts out to
12945 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12946 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12949 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12950 use string concatenation. Don't save and restore esi.
12952 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12953 (machname.h): Remove script to separate file. Use two-step
12954 sequence so target is not created if script fails.
12955 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12956 identifiers are defined.
12957 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12958 an empty string, machine_name doesn't need to do anything at
12960 (is_cxx_header): Add more cases to regexp.
12961 * fixinc/fixlib.h: Update prototype.
12962 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12964 * fixinc/fixincl.c: Define NO_BOGOSITY.
12966 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12967 (hp_sysfile): Add missing comma.
12968 (math_exception): Put the wrapper ifdefs at the beginning and
12969 the end of the file.
12970 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12972 2000-02-01 Richard Henderson <rth@cygnus.com>
12974 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12975 Use CONST0_RTX. Update all callers.
12976 * sparc.h, sparc-protos.h: Update accordingly.
12977 * sparc.md (fp mov insns): Use fp_zero_operand directly
12980 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12982 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12985 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12987 * Makefile.in (specs.ready): New target.
12988 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12990 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12992 * fixinc.irix: Use unique filenames for writing into /tmp,
12993 * fixinc.ptx: Likewise.
12994 * fixinc.sco: Likewise.
12995 * fixinc.svr4: Likewise.
12996 * fixinc.winnt: Likewise.
12998 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13000 * tsystem.h: New file.
13002 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
13003 s-crtS): Depend on tsystem.h.
13005 * crtstuff.c: Include tsystem.h.
13006 * frame.c: Likewise.
13007 * libgcc2.c: Likewise.
13009 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
13011 * builtins.c (expand_builtin_memset): Expand for variable sized
13014 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
13016 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
13019 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13021 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
13023 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
13025 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
13027 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
13028 case 3->2 combining (combining with splitting) in which 2 is CC0
13029 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
13030 checked at the begining of the function with the aid of calling
13031 function 'can_combine_p'.
13033 2000-01-31 Dave Brolley <brolley@redhat.com>
13035 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
13037 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
13039 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
13042 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13044 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
13046 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
13049 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13051 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
13052 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
13053 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
13054 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
13055 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
13056 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
13057 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
13058 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
13059 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
13060 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
13062 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
13063 Add %(cpp_cpu) to CPP_SPEC.
13065 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
13066 Add %(cc1_cpu) to CC1_SPEC.
13068 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13070 * c-decl.c (c_decode_option): Accept optional numeric argument to
13071 -Wformat and set warn_format.
13072 * c-common.c: Don't emit warning about non-constant printf format
13073 string unless warn_format > 1.
13075 2000-01-30 Richard Henderson <rth@cygnus.com>
13077 * alpha.md (return_internal): Allow after reload only.
13079 2000-01-30 Richard Henderson <rth@cygnus.com>
13081 * i386.c (ix86_compute_frame_size): Omit padding1 if the
13082 local frame size is zero.
13084 2000-01-30 Richard Henderson <rth@cygnus.com>
13086 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
13087 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
13088 * alpha.md (return): Turn into an expander.
13089 (return_internal): Don't use $26.
13090 (epilogue): Emit the return insn.
13092 2000-01-30 Richard Henderson <rth@cygnus.com>
13094 * alpha.md (negtf2, abstf2): Fix word order thinko.
13095 (extendsftf2): New.
13096 (trunctfsf2): Avoid intermediate rounding errors.
13098 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13100 * cppfiles.c (find_position): Drop 'colp' argument, return the
13102 (read_and_prescan): Adjust to match. Don't ever manipulate
13103 line or line_base except via find_position.
13105 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13107 * c-parse.in: Apply Ulrich's changes from c-parse.y.
13108 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
13111 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13113 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
13114 just print "<command line>". If 'filename' is null or an
13115 empty string, print "<stdin>" for the filename.
13116 * cpplib.c (do_define): Don't print the 'location of the
13117 previous definition' message if we're still parsing the
13119 (cpp_pedwarn_with_file_and_line): Always call
13120 cpp_file_line_for_message.
13122 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13124 * flow.c (mark_regs_live_at_end): Fix typo.
13126 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13128 * c-common.c: Adjust variable names, comments, help strings to c99.
13129 * c-lex.c: Likewise.
13130 * c-parse.y: Likewise.
13131 * c-tree.h: Likewise.
13132 * cccp.c: Likewise.
13133 * cpplib.h: Likewise.
13134 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13135 * cppinit.c: Likewise.
13137 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13139 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13140 * c4x.c: Define the optab rtx values.
13141 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13142 (c4x_emit_libcall): Use new optab rtx values.
13143 (c4x_emit_libcall3): Likewise.
13144 (c4x_emit_libcall_mulhi): Likewise.
13145 * c4x-protos.h: Add prototypes for optab rtx values and change
13146 prototypes for above c4x_emit_libcall functions.
13148 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13150 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13152 (c4x_function_prologue): Use regnames intead of float_reg_names when
13154 (c4x_function_epilogue): Likewise.
13155 (c4x_print_operand): Likewise.
13156 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13157 * c4x.md (set_high): Disable for TARGET_TI.
13159 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13161 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
13162 of framepointer + constant to ADDR_REGS class.
13163 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
13164 * c4x.c (std_or_reg_operand): New function.
13165 * c4x-protos.h (std_or_reg_operand): Prototype it.
13167 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13169 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
13170 object names as libgcc2.c.
13171 * libgcc.S: Use newly defined names.
13173 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
13174 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
13176 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
13177 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
13178 (FLOW_LOOP_LAST_BLOCK): Likewise.
13180 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13182 * basic-block.h (struct loop): New fields 'first' and 'last'.
13183 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13184 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13185 and loop->last to check for NOTE_INSN_LOOP_END.
13187 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13189 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13190 of the loop descriptor rather than HEADER and LATCH. Also added
13191 missing break statements as well making some coding style modifications
13192 as suggested by Michael Hayes.
13194 2000-01-28 Richard Henderson <rth@cygnus.com>
13196 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13197 Break out that code ...
13198 (cleanup_cfg): ... here.
13199 (commit_one_edge_insertion): Detect a return instruction being
13200 emitted to an edge. Emit a barrier following; clear fallthru.
13201 (commit_edge_insertions): Verify CFG consistency.
13202 * function.c (expand_function_start): Kill unused variable.
13203 (expand_function_end): Likewise.
13204 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13205 to insert the epilogue.
13207 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13208 (delete_null_pointer_checks): Likewise.
13209 * output.h: Likewise.
13210 * reg-stack.c (reg_to_stack): Likewise.
13211 * toplev.c (rest_of_compilation): Likewise. Run
13212 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13214 2000-01-28 Richard Henderson <rth@cygnus.com>
13216 * Makefile.in (flow.o): Revert 24 Jan change.
13217 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13218 FUNCTION_VALUE result to DECL_RESULT's mode.
13220 * haifa-sched.c (schedule_insns): Don't recompute reg info
13223 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13225 * configure.in: Make --enable-cpplib the default.
13226 * configure: Regenerate.
13227 * gcc.dg/990119-1.c: No longer expected to fail.
13229 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13231 * jump.c (jump_optimize_1): Delete an optimization that is also done
13232 by merge_blocks in flow.
13234 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13236 * diagnostic.c (build_message_string, output_printf,
13237 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13238 (build_location_prefix): Fix non-literal format string.
13240 2000-01-27 Richard Henderson <rth@cygnus.com>
13242 * alpha.md (trunctfsf2): New.
13244 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13246 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13248 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13250 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13252 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13254 (skip_comment) ... here. Permit C++ comments in system
13255 headers always. Warn about C++ comments in user code under
13256 -std=gnu89 -pedantic.
13257 (copy_comment): Use skip_comment.
13258 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13260 (consider_directive_while_skipping, do_else, do_endif): Call
13261 validate_else unconditionally.
13262 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13263 text after the conditional in a system header.
13264 * cpplib.h (struct cpp_buffer): Add flag
13265 warned_cplusplus_comments.
13267 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13269 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13270 Use unshare_all_rtl_1.
13271 (unshare_all_rtl_again): New function.
13272 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13274 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13275 rather than resetting the 'used' flags ourself.
13277 * toplev.c (rest_of_compilation): Add current_function_decl
13278 to the unshare_all_rtl call.
13279 * tree.h: Prototype unshare_all_rtl.
13280 * rtl.h: Prototype unshare_all_rtl_again here.
13282 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13284 * genoutput.c (output_prologue): Include ggc.h in generated
13286 * Makefile.in (insn-output.o): Depends on ggc.h.
13288 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13289 Hans-Peter Nilsson <hp@bitrange.com>
13291 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13292 Remove redundant include of xm-ns32k.h.
13293 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13294 Remove redundant include of xm-ns32k.h.
13295 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13296 Remove redundant include of xm-ns32k.h.
13297 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13299 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13300 (TARGET_SWITCHES): Add documentation strings.
13301 (DWARF_FRAME_REGNUM): Override default definition.
13302 (REG_CLASS_CONTENTS): Add comments.
13303 (SUBSET_P): Format to reduce line length.
13304 (SMALL_REGISTER_CLASSES): Make a run time option.
13305 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13306 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13307 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13308 (regclass_map): fix typo in comment.
13309 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13310 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13311 (trace, reg_or_mem_operand): Delete, unused function.
13312 (calc_address_cost): Small offsets are cheaper than large ones.
13313 (expand_block_move): Generate more efficient code when bytes is a
13314 known at compile time.
13315 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13316 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13317 instead of reg_or_mem_operand.
13319 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13320 not general_operand. Similarly use "=rm" or stricter, not "=g".
13321 For input operands, use stricter constraints than "g" if not
13322 general_operand. Similarly use stricter predicate than
13323 "general_operand" when stricter constraints than "g" are present,
13324 except for matching constraints.
13325 (movstrsi): Use "memory_operand" for operands 0 and 1.
13326 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13327 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13328 not reg_or_mem_operand.
13329 (udivmoddisi4): Ditto.
13330 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13331 Use nonimmediate_operand for operand 3, not register_operand.
13332 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13333 reg_or_mem_operand.
13335 2000-01-27 Fred Fish <fnf@be.com>
13337 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13338 * gthr-single.h: Likewise.
13339 * gthr-solaris.h: Likewise.
13340 * gthr-vxworks.h: Likewise.
13341 * gthr-win32.h: Likewise.
13342 * gthr.h: Likewise.
13344 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13346 * cppinit.c: Add " (cpplib)" to end of string printed by
13349 2000-01-27 Richard Henderson <rth@cygnus.com>
13351 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13352 testing for a signed comparison.
13353 (alpha_emit_floatuns): New.
13354 * alpha-protos.h: Declare it.
13355 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13356 (extendsfdf2): Tidy.
13358 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13360 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13361 no -g option specifying debugging format, default to -gstabs+.
13363 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13365 * calls.c (special_function_p): New argument fork_or_exec.
13366 (expand_call): When profile_arc_flag is set and the function
13367 is in the fork_or_exec group, call __bb_fork_func first.
13368 * libgcc2.c, _bb module (__bb_fork_func): New function.
13369 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13371 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13372 * tree.h (special_function_p): Update prototype.
13374 2000-01-26 Richard Henderson <rth@cygnus.com>
13376 * alpha.c (alpha_split_tfmode_pair): New.
13377 * alpha-protos.h: Declare it.
13378 * alpha.md (abstf2, negtf2): New.
13379 (movtf insn): Add input G constraint.
13380 (movtf splitter): Use alpha_split_tfmode_pair.
13382 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13384 * i386/cygwin.h: PROTO -> PARAMS.
13386 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13388 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13389 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13390 using _Qp_cmp/_Q_cmp and testing the return value.
13391 (print_operand): Call reverse_condition_maybe_unordered if
13392 we are handling CCFPmode or CCFPEmode.
13393 Handle ORDERED, UN* and LTGT comparisons.
13394 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13395 if not TARGET_HARD_QUAD.
13396 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13397 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13398 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13399 Adjust gen_b* calls so that they reflect return comparison of
13400 sparc_emit_float_lib_cmp.
13402 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13404 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13405 incoming operands array is large enough for one more operand.
13406 (alpha_emit_xfloating_arith): Likewise.
13408 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13410 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13411 file with one line and no trailing newline.
13412 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13413 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13414 checking if the match is on the line.
13415 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13417 2000-01-25 Richard Henderson <rth@cygnus.com>
13419 * sparc.c (output_cbranch): Fix accidental squashing of the
13420 fp branch pre-delay nop.
13422 2000-01-25 Richard Henderson <rth@cygnus.com>
13424 * tree.def (UNNE_EXPR): Remove.
13425 * c-typeck.c (build_binary_op): Don't handle it.
13426 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13428 * rtl.def (UNNE): Remove.
13430 * jump.c (reverse_condition): Update accordingly.
13431 (swap_condition): Likewise.
13432 (comparison_dominates_p): Handle unordered comparisons.
13433 (reverse_condition_maybe_unordered): New.
13434 * rtl.h (reverse_condition_maybe_unordered): Declare.
13436 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13437 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13438 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13439 * sparc.md (bltgt): New.
13441 2000-01-25 Nick Clifton <nickc@redhat.com>
13443 * emit-rtl.c (emit_insn): Only check machine class insns for
13444 improper emission of a RETURN.
13446 2000-01-25 Richard Henderson <rth@cygnus.com>
13448 * Makefile.in (flow.o): Depend on $(EXPR_H).
13449 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13450 duplicate the structure of diddle_return_value for keeping regs live.
13452 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13454 * loop.c (current_loop_info): Delete.
13455 (consec_sets_invariant_p): Add loop argument, update callers.
13456 (get_condition_for_loop): Likewise.
13457 (count_nonfixed_reads, update_giv_derive): Likewise.
13458 (simplify_giv_expr, general_induction_var): Likewise.
13459 (consec_sets_giv, recombine_givs): Likewise.
13460 (move_movables): Delete loop_start and loop_end arguments,
13461 add loop argument, and update callers.
13462 (find_mem_givs, check_final_value): Likewise.
13463 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13464 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13466 (basic_induction_var): Add loop argument, delete loop_level argument,
13467 and update callers.
13468 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13469 add loop argument, and update callers.
13470 (find_splittable_regs, find_splittable_givs): Likewise.
13471 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13472 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13473 (biv_total_increment): Delete loop_start and loop_end arguments;
13475 (precondition_loop_p): Delete loop_start and loop_info arguments;
13477 * loop.h (get_condition_for_loop): Add loop argument.
13478 (biv_total_increment): Delete loop_start and loop_end arguments.
13479 (precondition_loop_p): Delete loop_start and loop_info arguments;
13481 (final_biv_value): Delete loop_start and loop_end arguments;
13483 (final_giv_value, back_branch_in_range_p): Likewise.
13485 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13487 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13489 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13491 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13492 point to the new "generated_files" doc.
13494 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13496 * config/fp-bit.c (_unord_f2): Fix typo.
13498 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13500 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13501 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13502 functions obsoleted by GC, such as push_obstacks_nochange,
13503 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13504 and code which existed only to decide whether or not to call
13505 them. Remove now-unused NESTED argument from start_function;
13506 all callers changed. Do not change behavior based on ggc_p.
13507 The use of the ixp_obstack in c-iterate.c and the util_obstack
13508 in objc/objc-act.c remain; these are not obsoleted by garbage
13510 * c-tree.h: Update prototype for start_function.
13512 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13514 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13516 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13519 2000-01-25 Richard Henderson <rth@cygnus.com>
13521 * sparc-protos.h (select_cc_mode): Declare.
13522 * sparc.c (select_cc_mode): New. Handle unordered compares.
13523 (output_cbranch): Always reverse via code change. Handle
13524 unordered compares. Factor tests and string updates.
13525 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13526 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13527 * sparc.md (bunordered, bordered): New.
13528 (bungt, bunlt, buneq, bunge, bunle): New.
13530 2000-01-25 Richard Henderson <rth@cygnus.com>
13532 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13533 * ggc-common.c (ggc_add_rtx_varray_root): New.
13534 (ggc_mark_rtx_varray): New.
13535 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13536 functions down below ggc_mark_foo.
13537 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13539 2000-01-25 Richard Henderson <rth@cygnus.com>
13541 * alpha.c (secondary_reload_class): Don't allocate a secondary
13542 for integral mode memories into FLOAT_REGS. Rearrange the more
13543 complicated memory expression inward.
13545 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13547 * inclhack.def: Fixes to play nicer with FreeBSD, and
13548 corrections to comments.
13549 (cxx_unready): Add select expression.
13550 (irix_sockaddr): Add bypass expression.
13551 (machine_ansi_h_va_list): New fix.
13552 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13553 Split out addition of "#include <stdarg.h>" to...
13554 (stdio_stdarg_h): ... here.
13555 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13556 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13557 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13559 (ultrix_ifdef): Tighten up select expression.
13561 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13562 re_ct and max_mach to avoid use of shell. Make printed names
13563 match names in inclhack.def. Use static copyright date.
13564 Don't count c_test and test expressions as requiring regex_t
13565 slots. Add some commentary.
13566 * inclhack.tpl: Do not include the 'This script contains N
13567 fixup scripts' line if PROGRAM is defined. Use static
13570 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13572 * dwarf2out.c: include "varray.h", not dyn-string.h.
13573 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13574 (addr_const_to_string, addr_to_string): Lose.
13575 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13576 (struct dw_val_struct): val_addr is now an rtx.
13577 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13578 (used_rtx_varray): New varray.
13579 (dwarf2out_init): Initialize it.
13580 (save_rtx): New fn.
13581 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13583 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13584 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13585 * Makefile.in (dwarf2out.o): Update dependencies.
13587 2000-01-24 Richard Henderson <rth@cygnus.com>
13589 * i386.c (i386_dwarf_output_addr_const): New.
13590 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13592 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13594 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13595 * i386.c (i386_simplify_dwarf_addr): New.
13596 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13598 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13600 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13601 TYPE_STUB_DECL is NULL.
13603 2000-01-24 Richard Henderson <rth@cygnus.com>
13605 * builtins.c (expand_tree_builtin): Move ...
13606 * c-common.c (expand_tree_builtin): ... here.
13608 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13610 * loop.h (LOOP_INFO): New accessor macro.
13611 * basic-block.h (struct loop): Rename field `info' to `aux'.
13612 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13613 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13614 * unroll.c (loop_iterations, unroll_loop): Likewise.
13616 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13618 * config/i386/t-cygwin: Accomodate new winsup directory layout
13619 when searching for include files.
13621 2000-01-24 Richard Henderson <rth@cygnus.com>
13623 * rtl.def: Add unordered fp comparisions.
13624 * tree.def: Likewise.
13625 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13627 * builtins.c (expand_tree_builtin): New function.
13628 * c-typeck.c (build_function_call): Use it.
13629 (build_binary_op): Support unordered compares.
13630 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13632 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13633 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13634 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13635 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13636 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13638 (swap_condition): Handle unordered compares.
13639 (thread_jumps): Check can_reverse before reversing.
13640 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13643 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13644 setcc is present before acking for cmp_optab. Update all callers.
13645 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13646 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13647 * expr.c (expand_expr): Likewise. Support unordered compares.
13648 (do_jump, do_store_flag): Likewise.
13649 * expr.h (enum libfunc_index): Add unordered compares.
13651 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13652 (DPBIT_FUNCS): Add _unord_df.
13653 * config/fp-bit.c (_unord_f2): New.
13654 * fp-test.c (main): Try unordered compare builtins.
13656 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13657 * alpha.c (alpha_comparison_operator): Check mode properly.
13658 (alpha_swapped_comparison_operator): Likewise.
13659 (signed_comparison_operator): Likewise.
13660 (alpha_fp_comparison_operator): New.
13661 (alpha_emit_conditional_branch): Handle unordered compares.
13662 * alpha.h (PREDICATE_CODES): Update.
13663 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13664 (bunordered, bordered): New.
13666 2000-01-24 Richard Henderson <rth@cygnus.com>
13668 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13669 * alpha.md (movtf): New expander, insn, and splitter.
13671 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13673 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13676 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13678 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13679 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13680 REG_ALLOC_ORDER): Add frame pointer
13681 (FRAME_POINTER_REGNUM): Set to 20
13682 (HARD_FRAME_POINTER_REGNUM): New macro.
13683 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13684 to HARD_FRAME_POINTER.
13685 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13686 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13687 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13688 (HI_REGISTER_NAMES): Add "frame".
13689 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13690 (debug_reg): Handle FRAME_POINTER_REGNUM.
13691 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13692 GENERAL_REGS and INDEX_REGS.
13693 * i386.c (SAVED_REGS_FIRST): new macro.
13694 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13695 (ix86_decompose_address, memory_address_length): Likewise.
13696 (regclass_map): Add frame pointer.
13697 (call_insn_operand): Handle frame_pointer_rtx.
13698 (reg_no_sp_operand): Likewise.
13699 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13700 (print_operand, legitimize_pic_address): Fix formating.
13701 (ix86_compute_frame_size): Make static, update prototype, new
13702 parameters padding1, padding2, use ix86_nsaved_regs, use
13703 stack_alignment_needed.
13704 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13705 to HARD_FRAME_POINTER_REGNUM conversions.
13706 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13707 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13708 (print_reg): Abort on FRAME_POINTER_REGNUM
13710 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13712 * i386.h (PREDICATE_CODES): Add aligned_operand.
13713 * i386.c (aligned_operand): New function.
13714 (ix86_aligned_p): Kill.
13715 * i386.md (movhi_1): Emit mov for aligned operands.
13716 (promoting peep2s): Use aligned_operand.
13718 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13720 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13721 expression to allow underscores in macro names.
13722 (fix_char_macro_defines): Increment scanning pointer.
13724 2000-01-23 Richard Henderson <rth@cygnus.com>
13726 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13727 * alpha/osf5.h: New file.
13728 * configure.in (alpha-*-osf5): Add it to tm_file.
13730 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13732 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13733 (alpha_emit_xfloating_cvt, function_arg): Declare.
13734 * alpha.c (alpha_emit_conditional_branch): Call
13735 alpha_emit_xfloating_compare for TFmode compares.
13736 (alpha_lookup_xfloating_lib_func): New.
13737 (alpha_compute_xfloating_mode_arg): New.
13738 (alpha_emit_xfloating_libcall): New.
13739 (alpha_emit_xfloating_arith): New.
13740 (alpha_emit_xfloating_compare): New.
13741 (alpha_emit_xfloating_cvt): New.
13742 (print_operand): Add default abort case.
13743 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13744 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13745 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13746 (RETURN_IN_MEMORY): True for TF/TCmode.
13747 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13748 (FUNCTION_ARG): Move to function_arg.
13749 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13750 (ASM_OUTPUT_LONG_DOUBLE): New.
13751 (ASM_OUTPUT_DOUBLE): Always output bits.
13752 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13753 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13754 (extenddftf2, trunctfdf2): New.
13756 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13758 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13759 * config/sparc/sol2.h: ... here.
13761 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13763 * basic-block.h (struct loops): New field `levels'.
13764 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13765 (flow_loop_level_compute): Initialise level to 1.
13766 (flow_loops_find): Set loops->levels.
13767 (flow_loops_dump): Print loops->levels.
13769 2000-01-23 Richard Henderson <rth@cygnus.com>
13771 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13772 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13774 2000-01-23 Richard Henderson <rth@cygnus.com>
13776 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13777 * i386.h (DBX_REGISTER_NUMBER): Use them.
13778 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13779 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13780 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13781 * i386/sequent.h: Kill incorrect comment.
13783 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13785 * ggc-page.c (struct page_entry): Make `context_depth' an
13787 (struct globals): Likewise.
13789 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13791 * loop.c (check_dbra_loop): When checking a loop for
13792 reversability, check the source of any stores to ensure
13793 they don't depend on an initial value.
13795 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13797 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13799 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13801 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13802 'pz_scan' into scope of entire function. Only affects
13803 compiles with -DDEBUG.
13805 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13807 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13808 section naming to that prior to 2000-01-07 patch.
13809 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13810 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13811 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13812 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13813 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13815 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13817 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13820 2000-01-21 Jim Wilson <wilson@cygnus.com>
13822 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13823 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13825 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13827 * cpphash.c (change_newlines): Delete function.
13828 (struct argdata): Delete 'newlines' and 'use_count' fields.
13829 (macroexpand): Remove code referencing those fields.
13831 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13833 * loop.c (loops_info): New variable.
13834 (loop_optimize): Allocate loops->array and free it on exit.
13835 Allocate memory for loops_info and assign to each loop,
13837 (find_and_verify_loops): Do not allocate loops->array.
13839 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13841 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13843 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13845 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13846 pseudos if expanded after first flow.
13847 (movdi_pic_label_ref): Likewise.
13849 2000-01-20 Richard Henderson <rth@cygnus.com>
13851 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13853 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13855 * Makefile.in (fixinc.sh): Depend on specs.
13856 * fixinc/Makefile.in: Add rule to create machname.h.
13857 (fixlib.o): Depend on machname.h.
13858 * fixinc/fixtests.c (machine_name): New test.
13859 * fixinc/fixfixes.c (machine_name): New fix.
13860 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13861 the machine_name test and fix.
13862 * fixinc/fixlib.h: Prototype it.
13863 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13864 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13866 * gcc.c (do_spec_1) [case P]: Take care not to create
13867 identifiers with three leading or trailing underscores.
13869 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13870 (fixincl): Don't specify libraries twice on link line.
13871 (gnu-regex.o): Remove special rule.
13872 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13873 defined by config.h. Do not define _REGEX_RE_COMP.
13874 (regcomp): Allocate and initialize a fastmap.
13875 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13877 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13879 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13881 2000-01-19 Richard Henderson <rth@cygnus.com>
13883 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13884 arguments with BB. Update all callers. Tidy line wrapping.
13886 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13888 * emit-rtl.c (try_split): Return last_insn if we split the
13891 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13893 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13894 (ix86_initial_elimination_offset): Declare.
13895 * i386.c (ix86_nsaved_regs): Break out from ...
13896 (ix86_can_use_return_insn_p): ... here.
13897 (ix86_emit_save_regs): Break out from ...
13898 (ix86_expand_prologue): ... here.
13899 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13901 (ix86_expand_epilogue): ... here.
13902 (ix86_compute_frame_size): Make static, add prototype.
13903 (ix86_initial_elimination_offset): Break out from ...
13904 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13906 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13908 * recog.h (OUT_FCN): Delete.
13910 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13912 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13914 * cppalloc.c: PROTO -> PARAMS.
13915 * cpperror.c: Likewise.
13916 * cppfiles.c: Likewise.
13917 * cpplib.c: Likewise.
13918 * cpplib.h: Likewise.
13920 * config/arm/arm-protos.h: PROTO -> PARAMS.
13921 * config/arm/arm.c: Likewise.
13922 * config/c4x/c4x.c: Likewise.
13923 * config/fr30/fr30-protos.h: Likewise.
13924 * config/nextstep.c: Likewise.
13925 * config/pa/pa.c: Likewise.
13926 * config/pj/pj.c: Likewise.
13927 * config/rs6000/rs6000.c: Likewise.
13928 * config/v850/v850-protos.h: Likewise.
13929 * config/v850/v850.c: Likewise.
13931 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13933 * i370-protos.h: New file.
13935 * i370.c: Include tm_p.h. Fix compile time warnings.
13937 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13940 * i370.md: Likewise.
13942 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13944 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13945 (target_isinf, target_isnan, eisnan): Mark parameter with
13947 (eiisinf): Wrap in INFINITY.
13948 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13949 (ibmtoe): Remove unused variable `rndsav'.
13951 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13953 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13954 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13956 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13958 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13959 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13960 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13962 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13963 Recognize Emacs mode markers also.
13964 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13965 C++ comments in C++ headers. Call is_cxx_header only if
13968 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13969 bypass for ncurses.
13970 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13971 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13972 ... these, which use the new C fixes.
13973 (math_exception): Escape literal '+' in bypass expression.
13975 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13978 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13980 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13983 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13985 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13986 prior to calling scan_loop.
13988 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13990 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13991 (split_branches, calc_live_regs): Likewise.
13993 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13995 * sh.md (fpu_single, fp_mode): New attributes.
13997 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13999 * loop.c (current_loop_info): Renamed from loop_info_data
14000 and changed to a pointer.
14001 (loop_optimize): Allocate loop_info structure for each loop
14002 and initialise to zero.
14003 (scan_loop): Set current_loop_info.
14005 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
14008 2000-01-19 Richard Henderson <rth@cygnus.com>
14010 * stupid.c: Die die die.
14011 * Makefile.in (OBJS): Remove stupid.o.
14012 (stupid.o): Likewise.
14014 * except.c (emit_eh_context): Don't emit USEs for stupid.
14015 * explow.c (probe_stack_range): Likewise.
14016 * flags.h (obey_regdecls): Remove.
14017 * flow.c (find_basic_blocks): Don't run try_merge_blocks
14018 when not optimizing.
14019 (life_analysis): Limit data collection when not optimizing.
14020 (mark_regs_live_at_end): Always mark the return value registers.
14021 (mark_used_regs): Remove dummy RETURN case.
14022 (print_rtl_with_bb): Don't consult obey_regdecls.
14023 * function.c (use_variable, use_variable_after): Remove.
14024 (assign_parms): Consult optimize not obey_regdecls.
14025 (expand_function_start): Don't emit USEs for stupid.
14026 (expand_function_end): Likewise.
14027 * global.c (build_insn_chain): Export.
14028 * integrate.c (expand_inline_function): Kill return-value USE
14030 * jump.c (jump_optimize_1): Do simple jump optimizations and
14031 dead code elimination.
14032 (calculate_can_reach_end): Remove check_deleted argument.
14033 (delete_insn): Patch out insns even when not optimizing.
14034 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
14035 * rtl.h (use_variable, use_variable_after): Remove declarations.
14036 (build_insn_chain): Declare.
14037 * stmt.c (expand_value_return): Don't emit USEs for stupid.
14038 (expand_end_bindings): Likewise.
14039 (expand_decl): Likewise. Consult optimize not obey_regdecls.
14040 * toplev.c (obey_regdecls): Remove.
14041 (rest_of_compilation): Don't set it. Kill stupid in favour of
14042 flow1, local-alloc, and reload.
14043 (main): Don't set obey_regdecls.
14045 * config/nextstep.c (handle_pragma): Likewise.
14047 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
14049 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
14051 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14053 * alpha-protos.h: PROTO -> PARAMS.
14054 * alpha.c: Likewise.
14056 * h8300.c: Likewise.
14057 * i386-protos.h: Likewise.
14058 * i386.c: Likewise.
14059 * m32r-protos.h: Likewise.
14060 * m32r.c: Likewise.
14061 * mips.c: Likewise.
14062 * mips.md: Likewise.
14063 * gmon-sol2.c: Likewise.
14064 * sparc.c: Likewise.
14066 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14068 * ns32k-protos.h: New file.
14070 * ns32k.c: Fix compile time warnings.
14072 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
14075 * ns32k.md: Likewise.
14077 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14079 * vax-protos.h: New file.
14081 * vax.c: Fix compile time warnings.
14083 * vax.h: Move prototypes to vax-protos.h. Fix compile time
14086 * vax.md: Likewise.
14088 * vaxv.md: Likewise.
14090 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14092 * romp-protos.h: New file.
14094 * romp.c: Fix compile time warnings.
14096 * romp.h: Move prototypes to romp-protos.h. Fix compile time
14099 * romp.md: Likewise.
14101 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14103 * we32k-protos.h: New file.
14105 * we32k.c: Fix compile time warnings.
14107 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
14110 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14112 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
14114 * except.c (eh_regs): Likewise.
14116 * final.c (output_operand): Likewise.
14118 * fold-const.c (target_isinf, target_isnan): Likewise.
14120 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14122 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14123 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14125 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14126 when optimize_size.
14127 (clrstrsi): Rewrite.
14128 (strsethi, strsetqi): New expanders.
14129 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14130 (cmpstrsi): Emit compare insn before cmpstrsi_1
14131 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14132 (strlensi_1): Likewise.
14133 (cmpstrsi_1): Likewise; do not output compare.
14134 (strlen expander): Do not unroll when optimizing for size.
14135 (*subsi3_carry): Rename to subsi3_carry
14136 (addqi3_cc): New pattern.
14137 * i386.h (processor_costs): Add move_ratio field.
14138 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14139 * i386.c (*_cost): Set move_ratio.
14140 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14141 (x86_expand_strlensi_1): Rewrite the main loop.
14143 2000-01-17 Richard Henderson <rth@cygnus.com>
14145 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14146 * cse.c (find_comparison_args, fold_rtx): Likewise.
14147 * integrate.c (subst_constants): Likewise.
14148 * loop.c (get_condition): Likewise.
14150 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14152 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14154 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14156 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14157 (RESTORE_WARN_FLAGS): Unpack it.
14158 Change semantic type of extension to ttype.
14159 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
14160 * c-parse.y, c-parse.c, objc/objc-parse.y,
14161 objc/objc-parse.c: Regenerate.
14163 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
14165 * fixinc/fixlib.c: Add copyright notice.
14166 (compile_re): New function.
14167 * fixinc/fixlib.h: Prototype compile_re.
14169 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
14170 Use compile_re to compile regular expressions.
14172 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
14173 where the pattern matched.
14175 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
14177 (ultrix_ansi_compat): Likewise.
14178 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
14180 (interactv_add2, interactv_add3): Delete.
14181 (x11_sprintf): Don't use filename glob.
14182 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14185 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14187 * print-rtl.c: PROTO -> PARAMS.
14188 * real.c: Likewise.
14189 * reg-stack.c: Likewise.
14190 * resource.c: Likewise.
14191 * sdbout.h: Likewise.
14192 * simplify-rtx.c: Likewise.
14193 * stor-layout.c: Likewise.
14194 * stupid.c: Likewise.
14195 * xcoffout.c: Likewise.
14196 * xcoffout.h: Likewise.
14198 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14200 * toplev.c: PROTO -> PARAMS.
14201 * toplev.h: Likewise.
14202 * tree.c: Likewise.
14203 * tree.h: Likewise.
14204 * unroll.c: Likewise.
14205 * varasm.c: Likewise.
14206 * varray.c: Likewise.
14207 * varray.h: Likewise.
14209 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14211 * reload.c: PROTO -> PARAMS.
14212 * reload.h: Likewise.
14213 * reload1.c: Likewise.
14214 * reorg.c: Likewise.
14215 * resource.h: Likewise.
14218 * rtlanal.c: Likewise.
14219 * sbitmap.h: Likewise.
14220 * sdbout.c: Likewise.
14221 * stack.h: Likewise.
14222 * stmt.c: Likewise.
14223 * system.h: Likewise.
14225 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14227 * machmode.h: PROTO -> PARAMS.
14228 * mbchar.h: Likewise.
14229 * mips-tdump.c: Likewise.
14230 * mips-tfile.c: Likewise.
14231 * optabs.c: Likewise.
14232 * output.h: Likewise.
14233 * prefix.c: Likewise.
14234 * profile.c: Likewise.
14235 * protoize.c: Likewise.
14236 * real.h: Likewise.
14237 * recog.c: Likewise.
14238 * recog.h: Likewise.
14239 * regclass.c: Likewise.
14240 * regmove.c: Likewise.
14241 * regs.h: Likewise.
14243 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14245 * ggc-common.c: PROTO -> PARAMS.
14246 * ggc-page.c: Likewise.
14247 * ggc-simple.c: Likewise.
14249 * global.c: Likewise.
14250 * graph.c: Likewise.
14251 * gthr-win32.h: Likewise.
14252 * haifa-sched.c: Likewise.
14253 * halfpic.h: Likewise.
14254 * integrate.c: Likewise.
14255 * integrate.h: Likewise.
14256 * jump.c: Likewise.
14258 * local-alloc.c: Likewise.
14259 * loop.c: Likewise.
14260 * loop.h: Likewise.
14262 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14264 * genattr.c: PROTO -> PARAMS.
14265 * genattrtab.c: Likewise.
14266 * gencheck.c: Likewise.
14267 * gencodes.c: Likewise.
14268 * genconfig.c: Likewise.
14269 * genemit.c: Likewise.
14270 * genextract.c: Likewise.
14271 * genflags.c: Likewise.
14272 * gengenrtl.c: Likewise.
14273 * genopinit.c: Likewise.
14274 * genoutput.c: Likewise.
14275 * genpeep.c: Likewise.
14276 * genrecog.c: Likewise.
14278 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14280 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14282 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14284 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14285 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14286 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14287 * configure, config.in: Rebuilt.
14289 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14291 * config/i386/i386.md: Add peephole to merge successive stack
14294 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14296 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14297 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14298 when walking backwards to find all the parameter loads when
14299 the basic block ends in a call.
14301 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14303 * loop.c (this_loop_info): Delete.
14304 (uid_loop): Add in place of uid_loop_num. All uses updated.
14305 (loop_number_exit_count): Delete and replace with entry in loop
14306 structure. All uses updated.
14307 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14308 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14309 (loop_outer_loop): Likewise.
14310 (loop_invalid, loop_number_exit_labels): Likewise.
14311 (loop_used_count_register): Delete and replace with entry in
14312 loop_info structure.
14313 (find_and_verify_loops): Add loops argument.
14314 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14315 loop_end, etc. arguments with loop structure pointer. All callers
14317 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14318 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14319 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14320 (insert_bct): Likewise.
14321 (basic_induction_var): New argument level.
14322 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14323 vtop, and cont. Add used_count_register.
14324 (uid_loop): Delete declaration.
14325 (loop_number_exit_count): Likewise.
14326 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14327 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14328 (loop_outer_loop, loop_used_count_register): Likewise.
14329 (loop_invalid, loop_number_exit_labels): Likewise.
14330 (unroll_loop): Replace loop_start and loop_end arguments
14331 with loop structure pointer.
14332 (loop_precondition_p, loop_iterations): Likewise.
14333 Include basic-block.h.
14334 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14335 with loop structure pointer.
14336 (loop_precondition_p, loop_iterations): Likewise.
14337 * basic-block.h (struct loop): New entries vtop, cont,
14338 cont_dominator, start, end, top, scan_start, exit_labels,
14340 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14342 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14344 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14346 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14348 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14350 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14352 * pdp11-protos.h: New file.
14354 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14357 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14360 * pdp11.md: Likewise.
14362 * 2bsd.h: Likewise.
14364 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14366 * mn10300-protos.h: New file.
14368 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14371 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14374 * mn10300.md: Likewise.
14376 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14378 * mn10200-protos.h: New file.
14380 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14383 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14386 * mn10200.md: Likewise.
14388 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14390 * h8300-protos.h: New file.
14392 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14395 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14398 * h8300.md: Likewise.
14400 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14402 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14403 (asm_emit_uninitialised): Likewise.
14405 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14407 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14408 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14410 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14412 * config/mips/mips.c (override_options): Don't turn on extra
14413 alignment for mips16.
14415 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14417 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14418 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14421 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14423 * builtins.c (PAD_VARARGS_DOWN): Define.
14424 (std_expand_builtin_va_arg): Use the above macro.
14425 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14426 * tm.texi (Register Arguments): Document the above macro.
14428 2000-01-14 Nick Clifton <nickc@cygnus.com>
14430 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14431 that this function has not been used to emit a jump
14434 * jump.c (return_jump_1): Cope with being passed a null rtx.
14436 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14438 * eh-common.h: PROTO -> PARAMS.
14439 * emit-rtl.c: Likewise.
14440 * errors.c: Likewise.
14441 * errors.h: Likewise.
14442 * except.c: Likewise.
14443 * except.h: Likewise.
14444 * explow.c: Likewise.
14445 * expmed.c: Likewise.
14446 * expr.c: Likewise.
14447 * expr.h: Likewise.
14448 * final.c: Likewise.
14449 * fix-header.c: Likewise.
14450 * flow.c: Likewise.
14451 * fold-const.c: Likewise.
14452 * function.c: Likewise.
14453 * function.h: Likewise.
14455 * gcov-io.h: Likewise.
14456 * gcov.c: Likewise.
14457 * gcse.c: Likewise.
14459 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14461 * sh-protos.h: New file.
14463 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14464 Add static prototypes. Fix compile time warnings.
14466 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14470 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14472 * arc-protos.h: New file.
14474 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14477 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14480 * arc.md: Likewise.
14482 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14484 * dsp16xx-protos.h: New file.
14486 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14489 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14492 * dsp16xx.md: Likewise.
14494 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14496 * convex-protos.h: New file.
14498 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14501 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14504 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14506 * elxsi-protos.h: New file.
14508 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14511 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14514 * elxsi.md: Likewise.
14516 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14518 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14519 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14520 match the comment for MIPS16.
14522 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14524 * flow.c (split_edge): Do not call set_block_for_insn if we
14525 do not have a basic_block_for_insn structure.
14527 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14528 and destination functions are 32bit aligned within the trampoline.
14529 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14530 (TRAMPOLINE_ALIGNMENT): Define.
14532 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14533 (set (pc) (label_ref)), verify the change creates a valid insn.
14535 * fr30.c (call_operand): Tighten and rework to match rules for
14536 call RTL expressions.
14537 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14538 * fr30.md (call patterns): Improve constraints.
14540 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14542 * fr30.c (fr30_expand_epilogue): Revert last change.
14543 Use emit_jump_insn for the return insn.
14545 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14546 Stan Cox <scox@cygnus.com>
14548 * predict.c: New file. Preliminary infrastructure work for static
14549 branch prediction and basic block reordering.
14550 * basic-block.h: Add prototype for estimate_probability.
14551 * Makefile.in: Add rules for predict.o.
14553 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14555 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14556 * fixinc/*: Likewise.
14558 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14560 * cccp.c: PROTO -> PARAMS.
14561 * cexp.y: Likewise.
14562 * collect2.c: Likewise.
14563 * combine.c: Likewise.
14564 * convert.h: Likewise.
14566 * dbxout.c: Likewise.
14567 * dbxout.h: Likewise.
14568 * diagnostic.c: Likewise.
14569 * doprint.c: Likewise.
14570 * dwarf2out.c: Likewise.
14571 * dwarf2out.h: Likewise.
14572 * dwarfout.c: Likewise.
14573 * dwarfout.h: Likewise.
14574 * dyn-string.h: Likewise.
14576 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14578 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14579 macro conditionals guarding use.
14581 * dwarf2out.c: Include "tm_p.h".
14583 * function.c (locate_and_pad_parm): Mark parameter with
14585 (expand_function_end): Likewise for variable `context'.
14587 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14589 2000-01-13 Nick Clifton <nickc@cygnus.com>
14591 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14592 register to prevent compile time warnings.
14594 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14596 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14597 to avoid -Wtraditional warning.
14599 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14601 * 1750a-protos.h: New file.
14603 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14606 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14609 * 1750a.md: Likewise.
14611 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14613 * a29k-protos.h: New file.
14615 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14618 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14621 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14623 * clipper-protos.h: New file.
14625 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14628 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14631 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14633 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14635 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14637 * configure.in (--enable-new-gxx-abi): New option.
14638 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14639 * Makefile.in (GXX_ABI_FLAG): New variable.
14640 * configure: Regenerate.
14642 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14644 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14645 * tm.texi (FORCE_STRUCT_BLK): Document.
14646 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14648 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14650 * config/ns32k/ns32k.md: Revert Jan 9 change.
14652 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14653 to a mode-test, if the predicate is address_operand.
14655 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14657 * combine.c (if_then_else_cond): Be careful about what kinds
14658 of RTL expressions are passed to operand_subword.
14660 * flow.c (split_edge): If we have to insert a new jump, make
14661 sure to associate it with a basic block.
14663 * flow.c (commit_one_edge_insertion): A block with one successor
14664 can end in a JUMP_INSN that is not a simplejump.
14666 2000-01-12 Robert Lipe <robertl@sco.com>
14668 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14669 (BUILD_VA_LIST_TYPE): Define.
14670 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14673 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14675 * cccp.c (do_pragma): Add cast to (char *).
14677 2000-01-12 Richard Henderson <rth@cygnus.com>
14678 Fred Fish <fnf@be.com>
14679 Jason Merrill <jason@cygnus.com>
14681 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14682 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14683 * i386/beos-elf.h, i386/beos-pe.h: New files.
14685 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14686 * cross-make (SYSTEM_HEADER_DIR): Define using
14687 CROSS_SYSTEM_HEADER_DIR.
14689 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14690 (process_command): Use it.
14691 (main): Likewise. Kill trailing = from env vars.
14692 (build_search_list): Put it back.
14693 * collect2.c (main): Use LIBRARY_PATH_ENV.
14695 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14696 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14698 * tm.texi (Frame Layout): Document SMALL_STACK.
14699 * c-common.c (c_common_nodes_and_builtins): Check it.
14701 * system.h: Undef alloca after including glibc's <stdlib.h>,
14702 if USE_C_ALLOCA is defined.
14704 * gcc.c (set_input): New fn.
14705 (main): After all input files are compiled, reset the input file
14708 * aclocal.m4 (rindex, index): If already defined, don't attempt
14711 * ginclude/varargs.h: (__va_list__): Define ifndef.
14712 * ginclude/stdarg.h: Likewise.
14714 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14715 instead of unsigned char.
14717 * hash.h (true, false, boolean): Undef before enum.
14719 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14720 proper type of "HOST_WIDE_INT *", rather than their natural type of
14721 "unsigned HOST_WIDE_INT *".
14723 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14725 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14727 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14729 * regclass.c (choose_hard_reg_mode): Likewise.
14731 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14733 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14735 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14737 * c-common.c: PROTO -> PARAMS.
14738 * c-common.h: Likewise.
14739 * c-decl.c: Likewise.
14740 * c-iterate.c: Likewise.
14741 * c-lang.c: Likewise.
14742 * c-lex.c: Likewise.
14743 * c-lex.h: Likewise.
14744 * c-parse.in: Likewise.
14745 * c-pragma.c: Likewise.
14746 * c-pragma.h: Likewise.
14747 * c-tree.h: Likewise.
14748 * c-typeck.c: Likewise.
14749 * objc/objc-act.c: Likewise.
14750 * objc/objc-act.h: Likewise.
14752 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14754 * m88k-protos.h: New file.
14756 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14759 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14761 * m88k.md: Likewise.
14763 * tekXD88.h: Likewise.
14765 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14767 * m68k-protos.h: New file.
14769 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14772 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14774 * mot3300.h: Likewise.
14776 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14778 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14780 (extract_bitlist): Declare bitlen.
14782 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14784 * cccp.c: Accept and ignore -lang-fortran.
14786 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14787 qualifiers don't match at any level of pointerness.
14789 2000-01-12 Robert Lipe <robertl@sco.com>
14791 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14793 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14795 * reload1.c (reload_reg_unavailable): New static variable.
14796 (reload_reg_free_p): Test it.
14797 (reload_reg_free_for_value_p): Test it instead of
14799 (choose_reload_regs_init): Compute it.
14801 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14803 * reorg.c (fill_slots_from_thread): Check modified_in_p
14806 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14808 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14809 these nodes even if INTERNALS is not set.
14811 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14813 * gcse.c (delete_null_pointer_checks_1): Cope when
14814 get_condition cannot determine the condition.
14816 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14818 * toplev.h (set_message_length): Declare.
14820 * diagnostic.c (obstack_chunk_alloc): Define macro.
14821 (obstack_chunk_free): Likewise.
14822 (struct output_buffer): New data structure.
14823 (vmessage): Remove.
14824 (output_maximum_width): New variable.
14825 (doing_line_wrapping, set_message_length, init_output_buffer,
14826 get_output_prefix, output_space_left, emit_output_prefix,
14827 output_newline, output_append, output_puts, dump_output,
14828 vbuild_message_string, build_message_string, build_location_prefix,
14829 voutput_notice, output_printf, line_wrapper_printf,
14830 vline_wrapper_message_with_location): New functions. Implement
14831 automatic line wrapping.
14832 (v_message_with_decl): Make it handle automatic line wrapping.
14833 (v_error_with_file_and_line): Likewise.
14834 (v_warning_with_file_and_line): Likewise.
14835 (announce_function): Likewise.
14836 (default_print_error_function): Likewise.
14838 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14840 * cpplib.h (struct cpp_options): Change lang_asm to char.
14842 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14843 done in cpp_handle_option now.
14844 (initialize_builtins): Take out special case code used only by
14846 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14847 if -traditional. Recognize -lang-fortran and set
14848 lang_fortran, also turn off cplusplus_comments.
14849 (print_help): Document -lang-fortran.
14850 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14851 lang_asm. Ignore all directives other than `# 123 "file"' if
14853 (cpp_get_token): If -traditional, don't recognize directives
14854 unless the # is in column 1.
14855 (parse_string): If lang_fortran or lang_asm, silently
14856 terminate strings ('' or "") at end of line.
14857 Remove unnecessary braces.
14859 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14860 Richard Henderson <rth@cygnus.com>
14862 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14864 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14865 strict_low_part when possible.
14867 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14869 * alias.c: PROTO -> PARAMS.
14870 * basic-block.h: Likewise.
14871 * bitmap.c: Likewise.
14872 * bitmap.h: Likewise.
14873 * builtins.c: Likewise.
14874 * c-aux-info.c: Likewise.
14875 * caller-save.c: Likewise.
14876 * calls.c: Likewise.
14878 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14880 * Makefile.in (toplev.o): Depend on regs.h.
14882 * output.h (tdesc_section): Prototype.
14884 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14886 * sdbout.c: Include "tm_p.h".
14888 * toplev.c: Include "regs.h".
14890 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14892 * unroll.c (unroll_loop): Add EH support.
14894 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14896 * pa-protos.h: New file.
14898 * pa.c: Include recog.h and tm_p.h.
14899 (compute_zdepwi_operands, compute_movstrsi_length,
14900 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14901 find_addr_reg, import_milli): Add static prototypes.
14902 (pa_cpu_string, pa_arch_string): Constify a char*.
14903 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14904 (read_only_operand): Add argument `mode'.
14905 (singlemove_string, output_move_double, output_fp_move_double,
14906 output_block_move, output_and, output_ior, output_ascii,
14907 remove_useless_addtr_insns, milli_names, output_mul_insn,
14908 output_div_insn, output_mod_insn, output_arg_descriptor,
14909 output_cbranch, output_bb, output_bvb, output_dbra, ,
14910 output_millicode_call, output_call, hppa_encode_label,
14911 output_parallel_movb, output_parallel_addb): Constify a char*.
14912 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14913 (output_parallel_addb): Remove extra arg to `constrain_operands'
14915 * pa.h: Move all prototypes to pa-protos.h.
14916 (pa_cpu_string, pa_arch_string): Constify a char*.
14917 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14919 * pa.md: Call `function_label_operand' with mode argument.
14920 Likewise for `read_only_operand'.
14921 Fix nesting of parens in call to `symbolic_operand'.
14923 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14925 * i860-protos.h: New file.
14927 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14930 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14932 * i860.md: Likewise.
14934 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14936 * i386.md (movstrsi expander): Rewrite.
14937 (movstrsi_1 insn): Deleted.
14938 (strmovhi, strmovqi expander): New expanders.
14939 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14940 * i386.c (x86_single_stringop): New global variable.
14941 * i386.h (x86_single_stringop): Declare.
14942 (TARGET_SINGLE_STRINGOP): New macro.
14944 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14946 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14947 integer vararg POSTINCREMENT before the destination of the jump
14948 for the hard fp case.
14949 (function_arg_pass_by_reference): Pass a copy of CUM to
14952 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14953 for CONSTANT_ADDRESS_P above while loop for subreg.
14955 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14957 * flow.c (propagate_block): When a prologue/epilogue insn
14958 is marked dead, unconditionally clear libcall_is_dead and
14959 insn_is_dead, and only dump rtl if warnings aren't being
14962 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14964 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14965 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14966 (FIXED_REGISTERS): Set dirflag as fixed.
14967 (CALL_USED_REGISTERS): Set dirflag as used.
14968 (REG_ALLOC_ORDER): Set dirflag as last one.
14969 (DIRFLAG_REG): New macro.
14970 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14971 (HI_REGISTER_NAMES): Add dirflag.
14972 (DEBUF_PRINT_REG): Handle dirflag.
14973 * i386.md (type attribute): New cld and str types.
14974 (length_opcode attribute): Set cld and str to 1.
14975 (memory attribute): Set str to unknown - it is not clear from the
14977 (pent_np function unit): Prefixed string operations takes 12 cycles
14978 minimally; cld takes 2 cycles.
14979 (ppro_uops attribute): Str is "many" and cld is "few".
14980 (ppro_p0 unit): Handle cld here.
14981 (k6_alux unit): Handle cld and str types.
14982 (k6_load unit): It is ocupied by str opcodes.
14983 (k6_store unit): It is ocupied by str opcodes.
14984 (athlon_decode): Str is vector decoded.
14985 (athlon_ieu): Handle str and cld.
14986 (cld pattern): New.
14987 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14988 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14989 cmpstrsi_nz_1 insn): Do not output cld instruction
14991 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14993 * gcc.texi (G++ and GCC): Add Java and Chill.
14994 (Bug Critera): Don't list languages.
14996 * gcc.texi (Incompatibilities): No longer claim most C compilers
14999 * gcc.texi (G++ and GCC): Update other front-ends list.
15001 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
15003 * i386.c (ix86_expand_setcc): Fix typo.
15004 (ix86_expand_movcc): Similarly.
15006 * Band-aid until haifa's bitset implementation is nuked.
15007 * haifa-sched.c (extract_bitlst): New parameter for size of the
15008 bitset in bits. All callers changed. Avoid looking at undefined
15009 bits in the bitset.
15010 (edgeset_bitsize): New variable.
15011 (schedule_region): Initialize edgeset_bitsize.
15013 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15015 * Makefile.in (optabs.o): Depend on real.h
15016 (resource.o): Depend on insn-attr.h
15018 * builtins.c (result_vector): Wrap prototype in macro conditions
15019 governing definition and use.
15021 * c-common.c: Include tm_p.h.
15023 * c-lex.c: Likewise.
15025 * elfos.h: Constify a char*.
15027 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
15028 (get_attr_length, shorten_branches, profile_after_prologue): Mark
15029 parameter with ATTRIBUTE_UNUSED.
15031 * fold-const.c (exact_real_inverse): Wrap variable `i' in
15034 * haifa-sched.c (schedule_insns): Mark parameter with
15037 * optabs.c: Include real.h.
15039 * real.h (ereal_atof): Add prototype arguments.
15041 * resource.c: Include insn-attr.h.
15043 * sdbout.c (sdbout_queue_anonymous_type,
15044 sdbout_dequeue_anonymous_types): Wrap in macro
15045 SDB_ALLOW_FORWARD_REFERENCES.
15046 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
15049 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
15051 * stupid.c: Include tm_p.h.
15053 * tree.c (real_value_from_int_cst): Mark parameter with
15056 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15058 * i960-protos.h: New file.
15060 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
15063 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
15065 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15067 * combine.c (expand_field_assignment): Do not discard SUBREGs
15068 while computing nonzero_bits.
15070 2000-01-09 Nick Clifton <nickc@cygnus.com>
15072 * config/arm/arm.c: Fix compile time warnings about signed vs
15073 unsigned constants.
15074 * config/arm/arm.h: Fix compile time warnings about signed vs
15075 unsigned constants.
15077 2000-01-09 Philip Blundell <philb@gnu.org>
15079 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
15080 than `ldm' with only one register.
15081 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
15084 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
15087 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
15089 * config/ns32k/ns32k.md (load or push effective address): Operand 1
15092 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15094 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
15095 assignment used as truth value.
15097 * function.c (assign_temp): Mark parameter `dont_promote' with
15098 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
15099 PROMOTE_FOR_CALL_ONLY.
15101 * genrecog.c (write_subroutine): Mark variable `operands' with
15104 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
15107 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
15108 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
15110 * toplev.c (note_deferral_of_defined_inline_function): Likewise
15113 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15115 * config/c4x.h: Tidy up comments.
15116 * config/c4x.c: Likewise.
15118 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15120 * fold-const.c (lshift_double, rshift_double): Handle
15121 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15123 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15125 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15126 in prepare_function_start().
15128 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15130 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15131 longer allocate extra stack for function calls.
15133 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15135 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15137 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15139 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15141 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15143 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15144 * aix43.h: Revert Aug 2 change.
15145 (HAS_INIT_SECTION): Define, not visible yet.
15146 (LD_INIT_SWITCH): Define, not visible yet.
15147 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15149 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15151 * collect2.c (main): Expand ld2 size further.
15152 (export_object_lst): Cast assignment to avoid warning.
15153 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15154 (scan_prog_file, COFF): Do not collect initialization or
15155 finalization functions generated for entire shared object if
15156 init/fini support present.
15158 2000-01-07 Nick Clifton <nickc@cygnus.com>
15160 * config/elfos.h: Tidy up formatting of marcos. Make sure
15161 that .section directives are always prefixed by a tab.
15163 * config/svr4.h: Add #include "elfos.h" and remove duplicate
15166 2000-01-07 Matt Austern <austern@sgi.com>
15168 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
15171 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
15173 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
15175 (crtbegin.o, s-crtS): Likewise.
15177 2000-01-06 Richard Henderson <rth@cygnus.com>
15179 * alpha.md (adddi_2+1): Limit offset such that it will be
15180 loadable with a single ldah+lda pair.
15181 (adddi_2+2): Explicitly fail split if we can't make it work.
15183 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15185 * protoize.c: Conditionally include unistd.h.
15186 (IS_SAME_PATH_CHAR): New macro.
15187 (IS_SAME_PATH): New macro.
15188 (CPLUS_FILE_SUFFIX): New macro.
15189 (cplus_suffix): New static variable.
15190 (is_abspath): New static function.
15191 (in_system_include_dir): Handle DOS style pathnames.
15192 (file_could_be_converted): Likewise.
15193 (file_normally_convertible): Likewise.
15194 (directory_specified_p): Likewise.
15195 (file_excluded_p): Likewise.
15196 (abspath): Likewise.
15197 (shortpath): Likewise.
15198 (referenced_file_is_newer): Likewise.
15199 (save_def_or_dec): Likewise.
15200 (do_processing): Likewise.
15202 (edit_file): Likewise. Use rename instead of link.
15203 (rename_c_file): Likewise. Don't rename syscalls file.
15204 (munge_compile_params): Define null device for DOS based systems.
15205 (process_aux_info_file): Use binary mode if appliable.
15206 (edit_file): Likewise.
15207 * invoke.texi (Running Protoize): Document C++ suffixes used.
15209 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15210 IS_DIR_SEPARATOR macros.
15211 * collect2.c: Likewise.
15212 * cppinit.c: Likewise.
15213 * dwarf2out.c: Likewise.
15215 * gcov.c: Likewise.
15216 * prefix.c: Likewise.
15218 * toplev.c: Likewise.
15219 * system.h: And move to here.
15221 * prefix.c (update_path): Fix typo in variable name.
15223 2000-01-06 Richard Henderson <rth@cygnus.com>
15225 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15226 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15227 (count_reg_sets_1, count_reg_references): Likewise.
15228 (flow_loops_level_compute): Start counting actual loop depth at 1.
15229 (flow_loops_find): Likewise.
15230 * local-alloc.c (update_equiv_regs): Likewise.
15231 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15233 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15235 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15236 FIRST_PSEUDO_REGISTER
15237 * dwarf2out.c: Don't include frame.h
15238 * dwarfout.c: Likewise
15239 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15242 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15244 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15247 * i386.c (movsf splitter): Fix typo in my last checkin.
15249 2000-01-05 Nick Clifton <nickc@cygnus.com>
15251 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15252 own definition of this macro.
15253 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15254 flag_data_sections or UNIQUE_SECTION_P are true.
15256 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15257 unitialised data decls.
15259 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15260 being called for uninitialised data.
15262 * config/i386/interix.c (i386_pe_unique_section): Cope with
15263 being called for uninitialised data.
15265 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15266 for uninitialised data.
15268 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15269 for uninitialised data.
15271 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15272 for uninitialised data.
15274 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15275 (UNIQUE_SECTION_P): Always generate a unique section if
15276 flag_data_sections is true.
15277 (UNIQUE_SECTION): Also generate unique sections for
15278 uninitialised data.
15279 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15280 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15283 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15285 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15288 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15290 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15291 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15292 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15293 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15294 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15296 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15298 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15300 * c-decl.c (finish_enum): Simplify code to determine minimum and
15301 maximum values of the enum, and calculate the type. Remove check
15302 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15303 the DECL_INITIAL of each enumeration constant with a copy converted
15304 to the enumeration type. When updating variant types, don't bother
15305 updating the type itself.
15307 * c-typeck.c (build_binary_op): Simplify conditional expressions
15308 when weeding out spurious signed-unsigned warnings. Add new
15309 spurious warning category: if the unsigned quantity is an enum
15310 and its maximum value fits in signed_type(result_type). Update
15312 (build_conditional_expr): Warn here if one alternative is signed
15313 and the other is unsigned.
15315 2000-01-05 Nick Clifton <nickc@cygnus.com>
15317 * config/fr30/fr30.h: Remove extraneous comments.
15319 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15321 * reload1.c (choose_reload_regs): When disabling a reload, also
15322 set reload_spill_index to -1.
15324 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15326 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15328 (m68*-*-rtemself*): New target.
15329 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15330 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15331 (sparc*-*-rtemself*): New target.
15332 (sparc*-*-rtems*): Now elf not a.out.
15333 * config/i386/rtems.h: Include config/rtems.h.
15334 * config/i386/rtemself.h: Include config/rtems.h.
15335 * config/i960/rtems.h: Include config/rtems.h.
15336 * config/m68k/rtems.h: Include config/rtems.h.
15337 * config/m68k/rtemself.h: Include config/rtems.h.
15338 * config/mips/rtems64.h: Include config/rtems.h.
15339 * config/pa/rtems.h: Include config/rtems.h.
15340 * config/rs6000/rtems.h: Include config/rtems.h.
15341 * config/sh/rtems.h: Include config/rtems.h.
15342 * config/sh/rtemself.h: Include config/rtems.h.
15343 * config/sparc/rtems.h: Include config/rtems.h.
15344 * config/sparc/rtemself.h: Include config/rtems.h
15346 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15348 * final.c (shorten_branches): Correctly compute length of
15349 asms without operands.
15351 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15353 * configure.in: Add pj target.
15354 * configure: Regenerate.
15355 * config/pj: New directory.
15356 * config/pj/lib1funcs.S: New file.
15357 * config/pj/linux.h: New file.
15358 * config/pj/pj.c: New file.
15359 * config/pj/pj.md: New file.
15360 * config/pj/pjl.h: New file.
15361 * config/pj/t-pj: New file.
15362 * config/pj/xm-pj.h: New file
15364 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15366 * toplev.c (rest_of_compilation): Run shorten-branches before
15369 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15371 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15372 macros so that they're consistent with their names.
15373 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15374 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15376 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15378 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15379 modified inadvertently.
15381 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15383 * configure.in (v850*-*-rtems*): New target.
15384 * configure: Regenerate.
15385 * config/v850/rtems.h: New file.
15387 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15389 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15390 (__gthread_key_create): Likewise.
15391 (__gthread_key_dtor): Likewise.
15392 (__gthread_once): Fix logic.
15393 (__gthread_key_delete): Cast away constness.
15395 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15396 * invoke.texi: Document.
15397 * i386/mingw32.h (CPP_SPEC): Use.
15398 (LIBGCC_SPEC): Likewise.
15399 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15401 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15403 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15404 (HANDLE_PRAGMA_PACK): Undefine.
15405 (SLOW_UNALIGNED_ACCESS): Define.
15407 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15409 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15410 to default definition.
15411 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15412 (store_fixed_bit_field): Call macro with word_mode and alignment.
15413 (extract_bit_field): Call macro with relevant mode and alignment.
15414 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15415 to default definition.
15416 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15418 (move_by_pieces_ninsns): Likewise.
15419 (clear_by_pieces): Likewise.
15420 (emit_push_insn): Likewise.
15421 (store_field): Call macro with relevant mode and alignment.
15422 (expand_expr): Likewise.
15423 (expand_expr_unaligned): Likewise.
15425 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15426 (SLOW_UNALIGNED_ACCESS): Define.
15427 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15428 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15429 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15430 (toc_section): Likewise and .toc pseudo-op.
15431 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15433 (TEXT_SECTION_ASM_OP): Likewise.
15434 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15437 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15438 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15439 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15440 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15441 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15443 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15445 * regclass.c: Revert my Jan 4 change to loop cost computation.
15447 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15449 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15452 2000-01-04 Stan Cox <scox@cygnus.com>
15454 * haifa-sched.c (build_control_flow): Change unreachable simple
15455 loop test to check if current block has only one predecessor.
15456 (find_rgns): Initialize degree. Use dest as degree index, not src.
15458 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15460 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15462 * calls.c (expand_call): Likewise for
15463 `old_stack_arg_under_construction'.
15465 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15467 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15470 * gcc.c (execute): Likewise for `ut' and `st'.
15472 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15474 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15476 * jump.c (jump_optimize_1): Likewise for `temp2'.
15478 * local-alloc.c (block_alloc): Likewise for `r1'.
15480 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15482 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15483 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15485 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15488 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15489 and `goal_earlyclobber'.
15491 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15493 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15495 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15497 * unroll.c (copy_loop_body): Likewise for `copy'.
15499 * varasm.c (output_constructor): Likewise for `byte'.
15501 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15503 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15504 all FP constants for constant->reg moves.
15505 (ix86_split_to_parts): Try to convert memory address into immediate
15506 when available in the constant pool.
15507 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15509 (LEGITIMATE_CONSTANT_P): Return 1.
15510 * i386.md (pushsf): New splitter to convert constant pool memory
15511 reference to immediate.
15512 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15515 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15517 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15518 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15519 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15520 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15521 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15523 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15525 * ginclude/stdbool.h: Support compilation as C++.
15527 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15529 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15531 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15533 * regclass.c (regclass): Properly compute loop_cost. Adjust
15536 * regclass.c: Fix minor whitespace problems.
15538 2000-01-03 Anthony Green <green@cygnus.com>
15540 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15541 Restore the pic register if required.
15543 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15545 * c-common.c (format_char_info): Update comment.
15546 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15547 was recognized. Emit warning for formats new in ISO C99 only
15548 if flag_isoc9x is not set.
15550 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15552 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15554 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15556 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15557 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15558 (make_compound_operation): Choose cheaper alternative between
15559 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15561 * regclass.c (op_costs): Remove global variable.
15562 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15563 (record_operand_costs): Break out from ...
15564 (scan_one_insn): ... here.
15565 (dump_regclass): Make dumps nicer.
15566 (regclass): Dump preferrences choosed and changes done during passes.
15568 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15570 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15572 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15574 * config/sparc/sparc.c (gen_df_reg): New function.
15575 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15576 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15577 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15578 movtf_cc_reg_sp64+1): Use it.
15580 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15582 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15583 copied LABEL_DECLs.
15585 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15587 * config/i386/i386.c (ix86_expand_unary_operator): Function
15588 definition made void.
15589 (ix86_expand_binary_operator): Update outdated preceding comment.
15590 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15593 * config/i386/i386.c (override_options): Fix option-name typo.
15595 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15597 * system.h (CEIL): Define.
15598 * builtins.c (CEIL): Remove.
15599 * expmed.c (CEIL): Likewise.
15600 * expr.c (CEIL): Likewise.
15601 * stor-layout.c (CEIL): Likewise.
15603 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15605 * expr.c (store_constructor_field): Fix typo introduced with last
15608 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15610 * tree.h (BINFO_N_BASETYPES): New macro.
15612 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15614 * expmed.c (emit_store_flag): Prevent losing a pending stack
15615 adjust the same way we prevent losing queued increments.
15617 See ChangeLog.2 for earlier changes.