1 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3 * varasm.c (output_constant_def_contents): Use for the length of a
4 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5 depending on which is larger.
7 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
9 * gcse.c: Include df.h for use as a dataflow analyzer.
11 Declaration of reg_set_info: gone.
12 New df_analyzer variable used by store motion.
13 (reg_set_info): Deleted.
14 (mark_mem_regs): New function, analyze regs used by a mem.
15 (store_ops_ok): Use dataflow analyzer results to determine if
16 necessary regs are changed in the block.
17 (find_moveable_store): Remove check for symbol ref, we can handle
18 much more complex expressions now.
19 (compute_store_table): Remove most of the code, it's unnecessary
20 now that the dataflow analyzer records the info for us.
21 (store_killed_after): Add parameter to say whether to do the
22 store_ops_okay test, used to speed up testing when we already know
23 the answer, and just want to know if the store itself was killed.
24 (build_store_vector): Largely rewritten to calculate the various
25 vectors properly, and somewhat optimized.
26 (store_motion): Init the df_analyzer, get REG_DEF chains.
27 Also handle trapping expressions (since mems almost always trap)
28 (simple_mem): Redefine what a simple mem is.
30 2001-08-03 DJ Delorie <dj@redhat.com>
32 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
33 set from a constant part of the condition.
35 2001-08-01 Andrew Cagney <ac131313@redhat.com>
37 * mkdeps.c (deps_add_default_target): Make local variable
38 ``start'' a const char pointer.
39 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
41 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
43 * doc/install.texi (Configuration): Fix markup.
44 (Specific, i?86-*-udk): Likewise.
45 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
47 Document --enable-threads and --enable-libgcj status.
48 (Specific, mips-sgi-irix*): Canonicalize triples.
49 (Specific, mips-sgi-irix5): Warn about problems with this config.
50 Mention required GNU as patch.
51 Native assembler problems are fixed.
52 (Specific, mips-sgi-irix6): Update O32 ABI support status.
53 Document --enable-threads and --enable-libgcj status.
55 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
57 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
60 2001-08-03 Richard Henderson <rth@redhat.com>
62 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
65 2001-08-03 Richard Henderson <rth@redhat.com>
67 * rtlanal.c (find_first_parameter_load): Stop if we
68 reach a CODE_LABEL at BOUNDARY.
70 2001-08-03 Richard Henderson <rth@redhat.com>
72 * config/alpha/alpha.md (force_movdi): New insn.
73 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
74 Tweek FRP marking of VMS prologue insns.
75 * config/alpha/vms.h (EPILOGUE_USES): New.
77 2001-08-02 Richard Henderson <rth@redhat.com>
79 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
81 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
83 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
84 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
85 config/convex/convex.h, config/d30v/d30v.c,
86 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
87 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
88 config/mips/mips.h, config/mn10200/mn10200.h,
89 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
90 config/v850/v850.h, config/vax/openbsd.h,
91 config/vax/openbsd1.h, config/vax/ultrix.h,
92 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
93 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
94 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
95 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
96 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
97 in comments and documentation.
99 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
103 * Makefile.in (line-map.o): New.
104 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
105 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
106 * cpperror.c (print_containing_files): Similarly.
107 (print_location): Update. Don't output a space before _Pragma.
108 * cppfiles.c (stack_include_file): Set to line 1 immediately.
109 (stack_include_filee, cpp_make_system_header): Update.
110 (_cpp_execute_include): Get logical line number right for calling
111 as-yet-unterminated #include.
112 * cpphash.h (struct cpp_reader): Add line_maps.
113 (_cpp_do_file_change): Update.
114 * cppinit.c (cpp_create_reader): Initialize line maps.
115 (cpp_destroy): Destroy line maps.
116 (cpp_start_read): Get logical line number right.
117 * cpplex.c (parse_string): Only warn once for multi-line strings.
118 Use boolean variable for null warning.
119 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
121 (do_include_common): End the directive early.
122 (do_line): Don't warn about out-of-range lines in preprocessed
123 source. Update. Remove unused variables.
124 (_cpp_do_file_change): Update for new line mapping.
125 (pragma_cb): New typedef.
126 (cpp_register_pragma): Stop looking ahead before calling the
128 (do_pragma_system_header): End directive early.
129 (cpp_get_line_maps): New.
130 (cpp_pop_buffer): Fudge logical line. Update.
131 * cpplib.h: Include line-map.h
132 (enum cpp_fc_reason): Remove.
133 (struct cpp_file_change): Update.
134 (cpp_get_line_maps): New.
135 * cppmain.c (struct_printer): New member map.
136 (cb_file_change): Update for new mappings.
137 * fix-header.c (cb_file_change): Similarly.
139 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
141 * Makefile.in (libgcc.mk): Define mkinstalldirs.
142 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
144 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
146 * config/vax/vax.c: include expr.h.
148 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
150 * Makefile.in ($(srcdir)/configure): Only rebuild in
152 ($(srcdir)/config.in): Only define in maintainer mode.
153 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
155 2001-08-02 David Edelsohn <edelsohn@gnu.org>
157 * doc/install.texi (Install GCC: Binaries): Update Bull info.
159 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
161 * gcc.c (set_collect_gcc_options): New function, split out from
163 Ignore elided switches.
164 (do_spec_1): Invoke before executing command.
167 * gcc.h (set_input): ... here.
168 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
171 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
174 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
176 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
178 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
180 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
181 for the unnamed instructions it expands to.
183 2001-08-02 Richard Henderson <rth@redhat.com>
185 * regclass.c (call_really_used_regs): Conditionally define.
186 (init_reg_sets_1): Don't use it if not defined.
187 (fix_register): Similarly, don't set it.
189 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
191 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
192 Correct comment that had been missed in the previous change.
194 2001-08-01 Stan Shebs <shebs@apple.com>
196 * config/darwin.c (machopic_stub_name): Try matching by name.
197 (update_stubs): New function.
198 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
201 2001-08-01 Richard Henderson <rth@redhat.com>
203 * except.c (output_function_exception_table): Use assemble_align.
204 * varasm.c (assemble_eh_label): Remove.
205 (assemble_eh_align, assemble_eh_integer): Remove.
207 2001-08-01 Robert Lipe <robertl@caldera.com>
209 * dwarfout.c: Remove reference to README.DWARF.
211 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
213 * regclass.c (call_really_used_regs): New array for registers which
214 are actually used by a call.
215 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
217 (fix_register): Set call_really_used too.
218 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
219 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
221 2001-08-01 Richard Henderson <rth@redhat.com>
223 * read-rtl.c (read_name): Consider \r whitespace.
225 2001-07-11 Andrew Cagney <ac131313@redhat.com>
227 * config.gcc: Recognize powerpc-*-netbsd*.
229 * doc/install.texi (Host/target specific installation notes for
230 GCC): Mention powerpc-*-netbsd*.
232 * config/rs6000/netbsd.h: New file.
233 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
234 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
235 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
236 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
237 (TARGET_VERSION): Redefine.
239 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
240 mcall-netbsd as a match for mcall-sysv.
241 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
242 (ncrti.S, ncrtn.S): New targets.
243 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
245 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
246 "netbsd' as a V4 ABI.
247 (ASM_SPEC): Check for -mcall-netbsd.
248 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
249 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
250 (LIB_SPEC, ENDFILE_SPEC): Ditto.
251 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
252 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
253 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
254 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
256 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
257 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
259 2001-08-01 Mark Kettenis <kettenis@gnu.org>
261 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
262 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
263 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
264 including "unwind-pe.h".
266 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
268 * rs6000.md (define_splits): Kill unused constraints.
270 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
271 Jan Hubicka <jh@suse.cz>
273 * function.c (thread_prologue_and_epilogue_insns): Kill code
274 dealing with non-existent CFG.
276 2001-08-01 Kazu Hirata <kazu@hxi.com>
278 * alias.c: Fix comment formatting.
279 * bitmap.c: Likewise.
280 * builtins.c: Likewise.
282 * c-common.c: Likewise.
283 * c-decl.c: Likewise.
284 * c-dump.c: Likewise.
286 * collect2.c: Likewise.
287 * combine.c: Likewise.
288 * conflict.c: Likewise.
289 * cppfiles.c: Likewise.
290 * cppinit.c: Likewise.
291 * cpplex.c: Likewise.
292 * cpplib.c: Likewise.
293 * cppmacro.c: Likewise.
294 * cppspec.c: Likewise.
295 * c-pragma.c: Likewise.
296 * crtstuff.c: Likewise.
298 * cselib.c: Likewise.
299 * c-semantics.c: Likewise.
300 * c-typeck.c: Likewise.
302 2001-08-01 H.J. Lu <hjl@gnu.org>
304 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
306 2001-08-01 H.J. Lu <hjl@gnu.org>
308 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
310 2001-08-01 Ziemowit Laski <zlaski@apple.com>
312 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
313 contextualizing Objective-C class name lookup by the lexer.
314 (typespec_reserved_nonattr): Disable ObjC class name lookup after
316 (protocoldef): Add support for forward @protocol declarations.
317 (yylexname): Suppress ObjC class name lookup in certain contexts;
318 re-enable after lookup is complete.
319 (_yylex): Re-enable ObjC class name lookup when certain
320 punctuation marks are seen.
322 * objc/objc-act.c (check_protocol_recursively): New function used
323 for finding circular dependencies in protocols.
324 (objc_declare_protocols): New function for handling forward
325 @protocol declarations.
326 (receiver_is_class_object): Detect the case when 'self' is used
327 inside of a class method.
328 (build_message_expr): Issue a warning if class method is desired
329 but instance method is found instead.
330 (conforms_to_protocol): Streamline.
331 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
332 protocol Foo, even if 'Bar foo' does not.
333 (check_protocols): Streamline.
334 (start_protocol): Add checks for circular and duplicate protocol
336 (encode_aggregate_within): For typedefs of structs, encode the
338 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
339 (objc_declare_protocols): New prototype.
341 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
343 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
344 * cpplex.c (handle_newline): Update prototype. Maintain logical
346 (skip_escaped_newlines, skip_block_comment, parse_string):
348 (_cpp_lex_token): Update, and store token position within the token.
349 * cpplib.h (struct cpp_token): Add line and column entries.
350 * cppmacro.c (replace_args): Position stringified tokens correctly.
352 2001-08-01 Andreas Jaeger <aj@suse.de>
354 * basic-block.h: Add prototype for last_loop_beg_note.
356 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
358 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
359 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
361 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
362 while handling WITH_CLEANUP_EXPR node. Use second operand calling
364 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
366 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
367 operand while calling simple_cst_equal.
368 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
369 operand is the cleanup expression, the third is the RTL_EXPR.
370 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
372 2001-07-31 Jeff Sturm <jsturm@one-point.com>
374 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
376 2001-07-31 matthew green <mrg@eterna.com.au>
378 * config.gcc (i386-*-netbsdelf): New description.
379 * config/i386/netbsd-elf.h: New file.
381 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
383 * loop.c (check_dbra_loop): Use single_set to compute
386 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
388 PowerPC reorg and support for powerpc64-*-linux*.
390 Also fixes emitting of constants on 32 bit and 64 bit
393 * config.gcc: powerpc64-*-linux* is a new target.
394 Things that needed aix.h now also include xcoff.h
396 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
398 Move AIX specific stuff into aix.h.
399 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
400 with more than just XCOFF now.
401 (SET_ASM_OP): Remove, now defined where needed.
402 (FUNCTION_PROLOGUE): New macro definition.
403 (FUNCTION_EPILOGUE): New macro definition.
404 (CONST_OK_FOR_LETTER_P): Change N to require that value is
406 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
408 * config/rs6000/xcoff.h: New file.
410 * config/rs6000/linux64.h: New file.
412 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
414 2001-07-31 Alan Modra <amodra@bigpond.net.au>
416 * rs6000.c (print_operand_address): Handle ELF syntax.
417 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
418 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
419 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
421 2001-07-31 David Edelsohn <edelsohn@gnu.org>
423 * rs6000.c (rs6000_override_options): Only disable
424 flag_function_sections for XCOFF.
425 (exact_log2_cint_operand): New predicate.
426 (reg_or_{add,sub}_cint64_operand): New predicates.
427 (add_operand): Compare CONST_INT with fewer function calls.
428 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
429 (print_operand, case 'p'): Ensure positive operand.
430 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
431 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
432 (PREDICATE_CODES): Add new predicates.
433 * rs6000.md (addsi3): Split 32-bit constants more correctly.
434 (divsi3, modsi3): Ensure positive power-of-2.
435 (adddi3): Use new predicate. Split 32-bit constants more
436 correctly. Re-arrange splitter to handle any constant.
437 (subdi3): Use new predicate.
438 (divdi3, moddi3): Ensure positive power-of-2.
439 (movdi): Use rs6000_emit_set_const.
440 (load_toc_v4_pic_di): Delete.
442 2001-07-31 Graham Stott <grahams@redhat.com>
444 * function.c (pad_below): Revert 2001-07-26 patch.
446 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
448 * reg-stack (convert_regs_1): Fix best edge condition.
450 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
452 * jump.c (duplicate_loop_exit_test): Better test for jumps
453 entering the loop; create loop pre_header.
455 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
457 * doc/install.texi: Add s390 and s390x as new targets.
458 * doc/invoke.texi: Add documantation of S/390 and zSeries
460 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
462 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
464 * config/m68k/m68k.md: Replace all general_operand with
465 nonimmediate_operand for all destinations.
466 * config/m68k/m68k.c (not_sp_operand): Likewise.
468 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
470 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
472 2001-07-30 Richard Henderson <rth@redhat.com>
474 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
475 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
477 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
479 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
480 Add missing doc strings
481 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
482 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
484 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
486 * i386.c (ix86_output_main_function_alignment_hack): New function.
487 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
489 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
490 edges by EDGE_DFS_BACK flag.
491 (dump_edge_info): Add dfs_back flag.
492 * basic-block.h (EDGE_DFS_BACK): New constant.
493 (mark_dfs_back_edges): Declare.
494 * alias.c (loop_p): Remove.
495 (mark_constant_function): Use mark_dfs_back_edges.
497 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
498 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
499 (compensate_edge): Break out from ...
500 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
501 (convert_regs_2): Set block_done once block is really done;
502 Do updating of the predecesors counts.
504 * toplev.c (rest_of_compilation): Recompute block_for_insn
505 before post-reload cfg_cleanup.
506 * function.c (thread_prologue_epilogue_insns):
507 Call set_block_for_new_insns when emitting prologue directly.
509 2001-07-30 Andreas Jaeger <aj@suse.de>
511 * jump.c: Add prototype for mark_modified_reg.
513 * cse.c (set_live_p): Add unused attribute.
515 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
517 (scan_for_source_files): Use long for count to avoid overflow.
518 (output_data): Likewise.
519 (output_data): Don't use string concatatenation to silence gcc
522 * predict.c: Fix typos and grammar.
524 * gcse.c (insert_insn_end_bb): Remove unused variables.
526 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
528 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
529 (attempt_auto_inc): LIkewise.
530 (mark_used_reg): Likewise.
531 (try_pre_increment_1): Likewise.
532 * regclass.c (regclass): Likewise.
533 * global.c (allocno_compare): Update comment; change scaling factor.
534 * local-alloc.c (QTY_CMP_PRI): Likewise.
535 * regs.h (REG_FREQ_FROM_BB): New.
536 (REG_FREQ_MAX): Likewise.
538 2001-07-30 H.J. Lu <hjl@gnu.org>
540 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
543 2001-07-30 H.J. Lu (hjl@gnu.org)
545 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
546 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
547 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
549 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
551 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
552 as -mthumb-interwork when -mcpu=arm7 is specified.
554 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
556 * predict.def (noreturn, loop branch, loop exit): Mark as first
559 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
561 * combine.c (try_combine): Avoid barrier after noop jumps.
563 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
565 * cpphash.h (struct cpp_reader): Remove import_warning.
566 * cpplib.c (skip_rest_of_line): Don't bother turning off
568 (parse_include): Move include handling to...
569 (do_include_common): ... here. Move import warning from...
570 (do_import): ... here.
571 (do_pragma_poison): Don't do a callback for poison identifiers.
572 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
573 * cppmain.c (setup_callbacks): Similarly.
575 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
577 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
578 handle multiple sets.
579 * except.c (sjlj_mark_call_sites): .... here.
580 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
582 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
584 Suggested by Richard Henderson and Richard Kenner:
585 * combine.c (recog_for_combine): Use the fake recog
586 only if instruction does not match.
587 * rtl.h (NOOP_MOVE_INSN_CODE): New.
588 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
590 * combine.c (try_combine): Discover noop jump as direct jump.
592 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
594 * df.c (df_rd_global_compute): Add successors to worklist, not
596 (df_ru_global_compute): Ditto.
598 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
600 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
601 increment REG_N_SETS.
603 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
605 * sbitmap.h: New prototype for sbitmap_a_xor_b.
607 * sbitmap.c (sbitmap_a_xor_b): New function.
608 ifdef the basic block stuff on IN_GCC.
610 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
612 * cppexp.c (parse_defined): Always record the macro name.
613 (lex): Don't worry about identifiers, or special-case
615 (_cpp_parse_expr): Figure out at the end of the routine
616 whether we saw a valid !defined() expression.
617 * cppfiles.c (stack_include_file): Update for mi_valid.
618 (_cpp_pop_file_buffer): Similarly.
619 * cpplex.c (_cpp_lex_token): Similarly.
620 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
621 mi_if_not_defined, mi_lexed): Remove.
623 * cpplib.c (do_if): Simplify.
624 (do_endif, push_conditional, _cpp_handle_directive): Update
625 for renaming of mi_state to mi_valid.
627 * cpp.texi: Add index entries for digraphs, and add comment
628 that C++ refers to them as alternative tokens.
630 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
632 * basic-block.h (CLEANUP_PRE_LOOP): New.
633 * except.c (finish_eh_generation): Update call of cleanup_cfg.
634 * sibcall.c (optimize_sibling_calls): Likewise.
635 * toplev.c (rest_of_compilation): Likewise.
636 * flow.c (try_forward_edges): Take argument MODE;
637 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
638 (try_optimize_cfg): Update call of try_forward_edges.
640 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
641 Jan Hubicka <jh@suse.cz>
643 * (validate_replace_rtx_1): Fix simplification of MINUS.
645 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
648 * cppinit.c (init_dependency_output): Turn off dump requests
649 if sending dependencies to stdout.
651 2001-07-28 Richard Henderson <rth@redhat.com>
653 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
656 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
658 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
660 2001-07-28 Kazu Hirata <kazu@hxi.com>
662 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
663 is VAR_DECL first to prevent an ICE.
665 2001-07-28 Richard Henderson <rth@redhat.com>
667 * varasm.c (immed_real_const_1): Don't elide special cases for
669 (clear_const_double_mem): Clear const_tiny_rtx too.
671 2001-07-28 Richard Henderson <rth@redhat.com>
673 * dwarf2out.c (dw_val_class_offset): New.
674 (struct dw_ranges_struct, dw_ranges_ref): New.
675 (ranges_table, ranges_table_allocated): New.
676 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
677 (add_AT_offset, add_ranges, output_ranges): New.
678 (print_die, output_die): Handle dw_val_class_offset.
679 (attr_checksum, size_of_die, value_format): Likewise.
680 (gen_lexical_block_die): Handle non-contiguous blocks.
681 (gen_block_die): Likewise.
682 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
683 if needed. Dump the ranges table.
684 * final.c (final_start_function): Remove unnecessary notes and
685 rebuild the block tree before numbering the blocks.
686 * function.c (reorder_blocks_0): Walk the existing block tree
687 to unmark all blocks.
688 (reorder_blocks_1): Create block fragments when duplicate block
690 (reorder_fix_fragments): New.
691 (reorder_blocks): Call it.
692 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
694 2001-07-28 Richard Henderson <rth@redhat.com>
696 * emit-rtl.c (adjust_address): Make a copy of the memory address.
698 2001-07-28 Richard Henderson <rth@redhat.com>
700 * flow.c (add_to_mem_set_list): New function.
701 (init_propagate_block_info): Use it.
702 (mark_set_1): Likewise.
703 (insn_dead_p): Canonicalize memory address for dead store
704 comparison. Allow wider mode stores to kill narrower mode stores.
705 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
706 (invalidate_mems_from_set): Don't handle MEMs.
708 2001-07-28 Kazu Hirata <kazu@hxi.com>
710 * config/h8300/h8300.h: Fix formatting.
712 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
714 * basic-block.h (EDGE_FREQUENCY): New macro.
715 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
717 * flow.c (find_sub_basic_blocks): Likewise.
718 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
719 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
721 * predict.c (DEF_PREDICTOR): New argument FLAGS.
722 (HITRATE): New macro.
723 (PRED_FLAG_FIRST_MATCH): New constant.
724 (predictor_info): New field flgags.
725 (combine_predictions_for_insn): Use DS theory to combine
726 probabilities; set the edge probabilities when finished.
727 (estimate_probability): Avoid duplicated matches
728 of LOOP_BRANCH heuristics for nested loops; update comment.
729 * predict.def: Add flags for each prediction, set probabilities
730 according to B&L paper.
731 * predict.h (DEF_PREDICTOR): New argument FLAGS.
733 * profile.c (compute_branch_probabilities): Cleanup way the edge
734 probabilities are computed and REG_BR_PROB notes are dropped; if
735 values does not match, emit error.
736 (init_branch_prob): Do error instead of warning when profile driven
737 feedback is missing or corrupt.
739 2001-07-27 DJ Delorie <dj@redhat.com>
741 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
742 against a constant, try to adjust the compare to have the desired
743 constant in it so that min/max optimizations happen more often.
745 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
747 * flow.c (last_loop_beg_note): New function.
748 (redirect_edge_and_branch): Use it.
749 (split_edge): Likewise.
751 * alias.c (loop_p): Avoid uninitialized memory access.
753 * flow.c (try_forward_edges): Avoid accessing freed memory.
755 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
758 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
760 * doc/install.texi (Configuration): Properly link the host
761 specific instructions also when generating HTML.
763 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
765 * flow.c (redirect_edge_and_branch_force): Test
766 target->global_live_at_start.
768 2001-07-26 Richard Henderson <rth@redhat.com>
770 * simplify-rtx.c (avoid_constant_pool_reference): Export.
771 * rtl.h (avoid_constant_pool_reference): Declare it.
772 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
773 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
775 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
777 * rtl.h (cleanup_barriers): Declare.
778 * jump.c (cleanup_barriers): New function.
779 * toplev.c (rest_of_compilation): Call cleanup_barriers
780 before loop optimizer and after bb_reorder.
782 * flow.c (back_edge_of_syntactic_loop_p): New.
783 (split_edge): Use it.
785 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
787 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
789 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
791 * cse.c (cse_process_notes): Replace any registers if the address
794 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
796 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
797 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
798 (propagate_block): Update prototype.
799 * flow.c (update_life_info): Simplify the CFG and
800 recalculate the global regs which are alive when
801 removing dead code during a global update.
802 (propagate_block): Return non-zero if an INSN is
805 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
807 * Makefile.in (LIBICONV): Define.
809 2001-07-26 Catherine Moore <clm@redhat.com>
811 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
812 of conditional to avoid tree checking errors.
814 2001-07-26 Kazu Hirata <kazu@hxi.com>
816 * regmove.c (regmove_optimize): Don't replace a reg with
817 another reg of a different mode.
819 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
821 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
822 limit length of dependancy flush list.
823 * params.h (MAX_PENDING_LIST_LENGTH): Define.
824 * sched-int.h (struct deps): Add pending_flush_length field.
825 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
827 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
828 (sched_analyze): After a jump, if the pending memory flush list is too
829 large, flush the pending lists.
830 (init_deps): Initialize pending_flush_length to 0.
831 * doc/invoke.texi (max_pending_list_length): Document parameter.
833 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
835 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
836 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
837 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
839 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
841 * cpphash.h (struct_lexer_state): Delete was_skipping.
842 Move skipping here from struct cpp_reader.
843 * cpplex.c (parse_identifier): Update.
844 (_cpp_lex_token): Don't skip tokens in a directive.
845 * cpplib.c (struct if_stack): Update.
846 (start_directive, end_directive): Don't change skipping state.
847 (_cpp_handle_directive): Update.
848 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
849 (do_else, do_endif): Update; only check for excess tokens if not
850 in a skipped conditional block.
851 (push_conditional): Update for new struct if_stack.
853 2001-07-26 Graham Stott <grahams@redhat.com>
855 * function.c (locate_and_pad_parm): Also pad initial offset
856 so that the total argument size also includes the padding.
858 2001-07-26 Graham Stott <grahams@redhat.com>
860 * gensupport.c (alter_output_for_insn): Correct enable checking failure
861 change XSTR to XTMPL.
863 (process_one_cond_exec): Likewise
865 2001-07-25 Richard Henderson <rth@redhat.com>
867 * varasm.c (assemble_variable): Create DECL_RTL before setting
870 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
872 * predict.c (estimate_probability): Avoid duplicated predictions.
874 * loop.c (find_and_verify_loops): Grok multiple barriers.
876 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
878 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
880 * dbxout.c: Consistently use putc instead of fputc.
881 (print_wide_int): New function; call instead of direct fprintf.
882 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
883 (dbxout_type_fields, dbxout_type_method_1): Likewise.
884 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
885 (print_int_cst_octal): Likewise.
886 (print_octal): Show we wrote characters.
887 (dbxout_type): Set have_used_extensions in more places.
889 2001-07-25 Catherine Moore <clm@redhat.com>
891 * config/v850/v850.c (v850_va_arg): Use addr
892 instead of valist to build incr.
894 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
896 * flow.c (delete_dead_jumptables): New function.
897 (life_analyzis): Call it.
898 * bb-reorder.c (skip_insns_after_block): Handle contradictory
901 2001-07-25 Richard Henderson <rth@redhat.com>
903 * except.c (reachable_handlers): Handle a region being removed
904 out from under a RESX.
906 2001-07-25 Richard Henderson <rth@redhat.com>
908 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
909 swap GE/GT if it is an fp comparison.
911 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
913 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
916 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
918 * ssa.c (rename_insn_1): Do not wrap an assignment to a
919 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
922 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
924 (visit_expression): When attempting to simplify an expression,
925 retrieve any modes for arguments before they are simplified
928 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
929 Janis Johnson <janis@us.ibm.com>
931 * stmt.c (expand_goto): A nonlocal goto can be a call too.
932 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
933 pointer parameters to match documented usage of nonlocal_goto.
934 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
935 parameters to their correct order.
936 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
937 parameters to their correct order.
939 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
941 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
943 2001-07-25 Jan Hubicka <jh@suse.cz>
944 Richard Henderson <rth@redhat.com>
946 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
948 (make_edges): New argument update_p; populate the edge cache if set.
949 (find_basic_blocks): Update make_edges invocation.
951 2001-07-24 Joel Sherrill <joel@OARcorp.com>
953 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
955 2001-07-24 Joel Sherrill <joel@OARcorp.com>
957 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
958 -Acpu and -Amachine.h.
959 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
960 Corrected header to say ELF not a.out.
961 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
962 when given -msoft-float.
964 2001-07-24 Joel Sherrill <joel@OARcorp.com>
966 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
967 extra multilib parts like arm-elf.
968 (i960-*-coff*, i960-*-rtems): Should not use collect2.
969 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
970 crtfini.o as extra multilib parts.
972 2001-07-24 Joel Sherrill <joel@OARcorp.com>
974 * configure.in: Add rtems as a supported thread model.
975 * gthr-rtems.h: Add missing entry point __gthread_active_p.
976 * configure: Rebuilt.
978 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
980 * stor-layout.c (get_mode_alignment): make it work when
981 BITS_PER_UNIT is not a power of two.
982 * builtins.c (get_pointer_alignment): Likewise.
984 2001-07-24 Richard Henderson <rth@redhat.com>
986 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
987 the retrieved constant into the expected mode.
989 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
991 * flow.c (try_simplify_condjump): Avoid duplicated edges.
992 (verify_flow_info): Check for duplicated edges; clarify
995 * flow.c (block_label): Update basic_block_for_insn.
996 (commit_edge_insertions): Call compute_bb_for_insn.
998 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1001 * flow.c (redirect_edge_and_branch,
1002 try_optimize_cfg): Use redirect_edge_succ_nodup
1003 (redirect_edge_succ_nodup): New.
1004 * basic_block.h (redirect_edge_succ_nodup): Declare.
1006 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1009 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1011 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1012 (try_crossjump_to_edge): Update commetns.
1013 (try_crossjump_bb): Likewise.
1015 2001-07-24 Richard Henderson <rth@redhat.com>
1017 * combine.c (distribute_notes): Move set of need_refresh
1018 for noop_move_p down to catch all cases.
1020 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1022 * recog.c (split_all_insns_noflow): New.
1023 * rtl.h (split_all_insns_noflow): Declare.
1024 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1025 * m68hc11.c (m68hc11_reorg): Likewise.
1026 * sh.c (machine_dependent_reorg): Likewise.
1027 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1030 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1032 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1033 (ashlsi3_n splitter): Likewise.
1034 (lshrsi3_n splitter): Likewise.
1036 (GOTaddr2picreg): Make const SImode.
1037 (sym_label2reg): Likewise.
1038 (symGOT2reg): Likewise.
1039 (symGOTOFF2reg) Likewise.
1041 (casesi_worker_0): Make unspec SImode.
1043 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1045 * config/sh/sh.c (barrier_align): Check that an operand really is
1046 an insn before extracting its INSN_CODE.
1048 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1050 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1053 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1054 for SImode to prevent overflow.
1056 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1058 * config/mips/irix6-libc-compat.c: New file.
1059 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1060 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1063 2001-07-24 lars brinkhoff <lars@nocrew.org>
1065 * rtl.texi (REG_POINTER): Document.
1066 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1067 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1069 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1071 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1073 2001-07-23 Richard Henderson <rth@redhat.com>
1075 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1077 2001-07-23 Kazu Hirata <kazu@hxi.com>
1079 * config/h8300/h8300-protos.h: Add a prototype for
1080 general_operand_dst_push.
1081 * config/h8300/h8300.c (general_operand_dst_push): New.
1082 * config/h8300/h8300.h (OK_FOR_T): New.
1083 (EXTRA_CONSTRAINT): Use it.
1084 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1085 the existing movqi pattern.
1086 (movhi_push): Likewise.
1088 * reload.c: Fix comment typos.
1090 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1092 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1094 2001-07-23 H.J. Lu (hjl@gnu.org)
1096 * doc/extend.texi: Update __builtin_return_address and
1097 __builtin_frame_address.
1099 2001-07-23 Richard Henderson <rth@redhat.com>
1101 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1103 * config/i386/i386.md: New setcc+movzbl peephole2.
1105 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1107 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1108 * objc/objc-act.c: Include debug.h.
1109 (synth_module_prologue): Save and restore debug hooks too.
1111 2001-07-23 lars brinkhoff <lars@nocrew.org>
1113 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1114 and C4X_FLOAT_FORMAT.
1115 (BOOL_TYPE_SIZE): Document.
1117 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1119 * unroll.c (loop_iterations): Fix miscalculation of initial
1122 2001-07-13 Andrew Haley <aph@redhat.com>
1124 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1125 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1126 * config/sh/sh.c (sh_can_redirect_branch): New function.
1127 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1128 * reorg.c (steal_delay_list_from_target): Use
1129 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1131 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1133 * flow.c (try_simplify_condjump): Unlink insn chain on
1134 fallthru edge; use can_fallthru.
1136 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1138 * basic-block.h (find_sub_basic_block): Declare.
1139 * flow.c (make_edges): New arguments MIN and MAX;
1140 (find_sub_basic_blocks): Revamp to use make_edges
1141 and purge_dead_edges.
1142 (find_basic_blocks): Update call of find_sub_basic_block.
1144 * recog.c (split_all_insns): Always expect CFG to be consistent;
1145 call find_sub_basic_blocks in case something has changed.
1146 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1149 * basic-block.h (delete_noop_moves): Declare.
1150 * combine.c (combine_instructions): Call it.
1151 (recog_for_combine): Tolerate noop moves
1152 (distribute_notes): Force refresh when register dies at noop move.
1153 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1155 (life_analysis): Update delete_noop_moves call.
1156 (set_noop_p): Move too ...
1157 * rtlanal.c (noop_move_p): ... here.
1158 * rtl.h (noop_move_p): Declare.
1160 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1161 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1163 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1164 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1166 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1168 * reload.c (push_reload): Fix typo in comment.
1169 (find_reloads_address): Ditto.
1170 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1172 2001-07-22 Richard Henderson <rth@redhat.com>
1174 * flow.c: Grammar check and clarify a lot of comments.
1175 (try_simplify_condjump): Rename variables to be clearer.
1176 (try_forward_edges): Skip complex and fallthru edges.
1177 Rearrange tests to avoid duplicate checks.
1178 (flow_find_cross_jump): Likewise.
1179 (outgoing_edges_match): Allow match if neither branch has
1180 probability data. Loosen probability match to 5%.
1181 (try_crossjump_to_edge): Hoist repeated indirection into
1183 (try_crossjump_bb): Don't check complex edges. Eliminate
1184 redundant crossjump tests.
1185 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1186 checks before more expensive checks.
1188 2001-07-22 Richard Henderson <rth@redhat.com>
1190 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1191 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1194 2001-07-22 Richard Henderson <rth@redhat.com>
1196 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1197 (const_sint32_operand): Likewise.
1198 * m68k.md (anon mulsi pattern): Use const_int_operand not
1199 const_sint32_operand.
1200 (umulsi3_highpart): Zero extend a constant input.
1201 (smulsi3_highpart): Don't bother checking SImode constant.
1202 (const_umulsi3_highpart): Give op3 DImode.
1203 (const_smulsi3_highpart): Likewise.
1205 2001-07-22 Richard Henderson <rth@redhat.com>
1207 * flow.c (split_block): Make sure bb_note is included in the
1208 new block when splitting before a label.
1210 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1212 * basic-block.h (redirect_edge_and_branch_force,
1213 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1214 * flow.c (redirect_edge_and_branch_force,
1215 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1216 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1217 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1218 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1219 instead of label; update CFG after transformation.
1220 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1221 for finishing the transformation; handle even case where ELSE
1222 does not follow THEN.
1223 (find_if_case_2): Update call of dead_or_predictable; simplify
1226 * emit-rtl.c (split_branch_probability): New global variable.
1227 (try_split): Take care to set split_branch_probability and
1228 create REG_BR_PROB note for new jump insns.
1229 * md.texi (define_split): Document new feature.
1231 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1233 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1235 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1236 (asm_out_file): Remove redundant declaration.
1237 (assemble_asm): Remove old #if 0 block.
1238 (assemble_variable): Remove end of function; debug output is
1239 now handled with global_decl. Remove old #if 0 block. Update.
1240 Remove saved_in_section and associated no-op code.
1241 * Makefile.in (varasm.o): Correct dependencies.
1243 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1245 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1246 the definition in defaults.h.
1248 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1250 * jump.c: Update comments.
1251 (delete_barrier_successors, delete_unreferenced_labels,
1252 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1253 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1254 jump_optimize, jump_optimize_minimal): Kill.
1255 (rebuild_jump_labels): Move code from jump_optimize_1.
1256 (purge_line_number_notes): Likewise.
1257 (copy_loop_headers): Likewise.
1258 * reg-stack.c: Update comment.
1260 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1261 JUMP_AFTER_REGSCAN): Kill.
1262 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1263 purge_line_number_notes and copy_loop_headers.
1265 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1266 Richard Henderson <rth@redhat.com>
1268 * dbxout.c (dbxout_global_decl): New.
1269 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1270 * sdbout.c (sdbout_finish): New.
1271 (sdbout_debug_hooks): Use it, add comments.
1272 (sdbout_global_decl): Defer initialised public vars to
1274 * varasm.c (assemble_variable): Don't output debug information
1275 for file-scope variables.
1277 2001-07-22 Richard Henderson <rth@redhat.com>
1279 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1280 (get_round_mode_suffix): New.
1281 (print_operand): Use them for [/]. Remove support for [&'`()+].
1282 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1283 * config/alpha/alpha.md (attr round_suffix): New.
1284 (attr trap_suffix): New.
1285 (all insns): Set them appropriately. Use %/ instead of the
1288 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1290 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1292 2001-07-22 Richard Henderson <rth@redhat.com>
1294 * regrename.c (regrename_optimize): Compute nregs for each
1295 potential target register.
1297 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1298 Richard Henderson <rth@redhat.com>
1300 * dbxout.c (dbxout_global_decl): New.
1301 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1302 * sdbout.c (sdbout_finish): New.
1303 (sdbout_debug_hooks): Use it, add comments.
1304 (sdbout_global_decl): Defer initialised public vars to
1306 * varasm.c (assemble_variable): Don't output debug information
1307 for file-scope variables.
1309 2001-07-21 H.J. Lu (hjl@gnu.org)
1311 * config/mips/mips.c (mips_cpu): Moved into ...
1312 (override_options): Here.
1314 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1316 (mips_cpu): Removed.
1318 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1320 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1321 ("iorqi3"): Likewise.
1322 ("xorqi3"): Likewise.
1323 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1324 ("*subhi3_sp): Likewise.
1325 ("*subhi3"): Likewise.
1326 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1329 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1331 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1332 * config/freebsd.h: Likewise.
1333 * config/linux.h: Likewise.
1334 * config/openbsd.h: Likewise.
1335 * config/alpha/linux-elf.h: Likewise.
1336 * config/arm/linux-elf.h: Likewise.
1337 * config/d30v/d30v.h: Likewise.
1338 * config/fr30/fr30.h: Likewise.
1339 * config/ia64/aix.h: Likewise.
1340 * config/ia64/ia64.h: Likewise.
1341 * config/mips/linux.h: Likewise.
1342 * config/pj/pj.h: Likewise.
1343 * config/rs6000/linux.h: Likewise.
1344 * config/sparc/linux.h: Likewise.
1345 * config/sparc/linux64.h: Likewise.
1347 2001-07-20 Bruce Korb <bkorb@gnu.org>
1349 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1350 because getc() and char* may disagree on signedness.
1352 2001-07-20 Richard Henderson <rth@redhat.com>
1354 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1356 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1357 insns to delete in the presence of cc0 in a jump insn.
1359 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1360 Jan Hubicka <jh@suse.cz>
1362 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1363 of doing the change by hand.
1365 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1367 * rtlanal.c (set_noop_p): Return true for noop jumps.
1369 * expr.c (emit_single_push_insn): Add call to push expander.
1370 * expr.h (optab_index): Add OTI_push
1371 (push_optab): New constant.
1372 * genopinit.c (optabs): Add push_optab.
1373 * optabs.c (init_optab): Init push optab.
1374 * md.texi (push??1): Document
1376 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1378 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1379 expand to emit the pattern; put a REG_INC note for push/pop
1381 ("movdf", "movdf_internal"): Likewise.
1382 ("movsi", "movsi_internal"): Likewise.
1383 ("movsf", "movsf_internal"): Likewise.
1384 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1386 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1388 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1391 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1393 * params.def: Change default max inline insns to 100.
1395 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1397 * combine.c (combine_simplify_rtx): Generate a new shift operation
1398 when simplifying the first operand of a (neg (ashift)) expression.
1400 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1402 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1404 2001-07-20 Kelley Cook <kelley.cook@home.com>
1406 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1407 information. Move rest into ...
1408 (*-*-solaris): ... here. Eliminate redundant information and
1409 reword necessary packages section. Delete 4.x assembler bug info.
1410 (sparc-sun-*): Merge into ...
1411 (sparc-sun-sunos*): here.
1413 2001-07-20 Catherine Moore <clm@redhat.com>
1415 * config/v850/v850.md (casesi): Generate LABEL_REF
1418 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1420 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1421 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1422 * i386.md (strclrsi expander): Use it.
1424 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1426 * integrate.c (copy_insn_list): handle
1427 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1428 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1429 identically as to CODE_LABEL.
1431 * fold-const (fold): Convert A/B/C to A/(B*C) and
1434 * except.c (connect_post_landing_pads): Delete the RESX insns.
1436 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1438 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1440 * config/mips/mips.md (nmadd/nmsub): Use macro.
1442 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1444 * cppinit.c (remove_dup_dir): Make static.
1445 (remove_dup_dirs): Make static. Only warn about preempting a
1446 system directory with a non-system directory.
1448 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1450 * ifcvt.c (noce_try_store_flag_constants): Correct order
1451 of parameters to trunc_int_for_mode.
1453 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1455 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1456 an exception that will be caught within this function, do not fill
1457 its delay slot with any subsequent instruction.
1459 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1461 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1462 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1463 pointer extension instruction.
1464 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1465 * simplify-rtx.c (simplify_unary_operation) Likewise.
1466 * explow.c (convert_memory_address) Check value of
1467 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1469 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1470 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1471 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1472 Add Multilib Support.
1473 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1474 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1475 Add Multilib Support.
1476 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1478 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1479 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1480 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1482 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1484 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1485 old and new operands in `<', `3' and `b'.
1487 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1489 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1490 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1491 (toplev.o): Don't depend on xcoffout.h.
1492 * c-decl.c: Include debug.h
1493 (duplicate_decls): Use debug hook.
1494 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1495 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1496 (dbxout_types): Remove.
1497 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1498 * debug.c (do_nothing_debug_hooks): Update.
1499 (debug_true_tree, debug_nothing_rtx): New.
1500 * debug.h (struct rtx_def): New.
1501 (struct gcc_debug_hooks): New hooks ignore_block,
1502 outlining_inline_function and label.
1503 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1504 dwarf2out_frame_finish): New.
1505 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1506 Make static, update prototype.
1507 (dwarf2_debug_hooks): Update.
1508 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1509 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1510 * dwarfout.c (dwarf_debug_hooks): Update.
1511 * emit-rtl.c: Include debug.h.
1512 (remove_unnecessary_notes): Use debug hook.
1513 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1514 (final_scan_insn): Use debug hook.
1515 * integrate.c (output_inline_function): Use debug hook.
1516 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1517 (sdb_debug_hooks): Update.
1518 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1519 * toplev.c: Don't include xcoffout.h.
1520 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1521 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1523 * tree.h (dwarf2out_do_frame): Remove.
1525 2001-07-19 Catherine Moore <clm@cygnus.com>
1527 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1529 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1531 * reload1.c (eliminate_regs_in_insn): When updating a set
1532 to the frame pointer to the hardware frame pointer, perform
1533 the update always not just when REPLACE is set.
1535 * reload1.c (choose_reload_regs): Don't inherit a reload
1536 that crosses multiple registers if registers past the first
1537 don't fit in the desired class.
1539 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1540 when negating constants.
1542 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1544 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1545 * doc/tree.texi: Ditto.
1547 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1548 Jakub Jelinek <jakub@redhat.com>
1550 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1551 (extract_cie_info): Handle "eh" augmentation properly,
1553 (struct frame_state, __frame_state_for): New.
1555 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1557 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1558 HANDLE_SYSV_PRAGMA): Define.
1559 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1561 (copy_object): Caller changed.
1563 2001-07-19 Andreas Schwab <schwab@suse.de>
1565 * configure.in (assembler dwarf2 debug_line support): Define nop
1567 * configure: Regenerated.
1569 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1571 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1573 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1574 to conditionally compiled block.
1575 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1576 * dbxout.h (dbxout_function): Remove.
1577 * debug.c (do_nothing_debug_hooks): Update.
1578 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1579 global_decl, deferred_inline_function.
1580 * dwarf2out.c (dwarf2_debug_hooks): Update.
1581 (dwarf2out_global_decl): New.
1582 * dwarfout.c: Don't include dwarfout.h.
1583 (dwarfout_global_decl, dwarfout_function_decl,
1584 dwarfout_deferred_inline_function): New.
1585 (dwarf_debug_hooks): Update.
1586 * dwarfout.h: Remove.
1587 * final.c: Don't include dwarfout.h.
1588 * sdbout.c (sdbout_global_decl): New.
1589 (sdbout_debug_hooks): Update.
1590 * toplev.c: Don't include dwarfout.h.
1591 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1592 (note_deferral_of_defined_inline_function): Remove.
1593 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1594 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1595 * ch/lex.c: Don't include dwarfout.h.
1596 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1597 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1598 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1599 * cp/optimize.c: Include debug.h.
1600 (maybe_clone_body): Use debug hook.
1601 * cp/semantics.c: Include debug.h.
1602 (expand_body): Use debug hook.
1603 * po/POTFILES.in: Remove dwarfout.h.
1605 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1607 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1608 * c-parse.in (yyerror, _yylex): Similarly.
1609 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1610 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1612 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1613 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1615 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1617 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1618 in-class declaration at -g1. Fixes c++/2814.
1620 2001-07-18 Richard Henderson <rth@redhat.com>
1622 * doc/md.texi (reload_in/out): Document restrictions in predicates
1623 and constraints for these patterns. Document empty string matching
1626 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1628 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1630 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1632 * cse.c: Undo my previous patch.
1634 2001-07-18 Tom Tromey <tromey@redhat.com>
1637 * configure: Rebuilt.
1638 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1640 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1642 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1643 Jan Hubicka <jh@suse.cz>
1645 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1646 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1647 * jump.c (mark_jump_label): Do not forward branches.
1649 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1651 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1652 when return value is unused.
1654 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1656 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1658 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1660 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1661 on error. We can't blindly return the result of
1662 pthread_mutex_trylock because it returns a positive number on
1663 error, while we must return -1 on error.
1664 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1666 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1668 2001-07-18 Andreas Jaeger <aj@suse.de>
1670 * integrate.c (output_inline_function): Correct type of debug_hooks.
1672 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1674 * combine.c (combine_simplify_rtx): DIV can be treated
1675 associatively for floats if unsafe math optimisations are enabled.
1677 2001-07-17 Richard Henderson <rth@redhat.com>
1679 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1681 2001-07-17 Richard Henderson <rth@redhat.com>
1683 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1684 don't force the function address into a register.
1685 (expand_call, emit_library_call_value_1): Update callers.
1686 * builtins.c (expand_builtin_apply): Likewise.
1687 * expr.h (prepare_call_address): Update decl.
1689 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1691 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1693 * config/i386/chorus.h: Move up.
1694 * config/sparc/chorus.h: Likewise.
1695 * config/rs6000/chorus.h: Likewise.
1696 * config/chorus.h: Moved here.
1698 2001-07-17 Andreas Schwab <schwab@suse.de>
1700 * configure.in (assembler eh_frame optimization): Handle big
1702 * configure: Regenerated.
1704 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1706 * expr.c (epxand_expr): Convert divisions into multiplications by
1707 reciprocals if -ffast-math.
1709 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1711 * dbxout.c (dbxout_really_begin_function): Rename to
1712 dbxout_begin_function.
1713 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1714 (dbxout_begin_function): Remove.
1715 (dbxout_function): Update.
1716 (dbxout_source_line): Update prototype.
1717 * dbxout.h (dbxout_begin_function): Remove.
1718 * debug.c (do_nothing_debug_hooks): Update.
1719 (debug_nothing_tree): Update.
1720 (debug_nothing_charstar_rtx): Remove.
1721 * debug.h (union tree_node): Declare.
1722 (struct rtx_def): Remove.
1723 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1724 begin_function. Change source_line prototype.
1725 (debug_nothing_tree): New.
1726 (debug_nothing_charstar_rtx): Delete.
1727 (dwarf2out_begin_prologue): Moved from ...
1729 * dwarf2out.c (dwarf2_debug_hooks): Update.
1730 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1731 debug info, call dwarf2out_source_line.
1732 (dwarf2out_souce_line): Update prototype.
1733 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1734 Change prototype, make static.
1735 (dwarfout_source_line): Update prototype.
1736 (dwarf_debug_hooks): Update.
1737 * dwarfout.h (dwarfout_begin_function): Remove.
1738 * final.c (final_start_function, final_scan_insn): Use appropriate
1739 debug hooks, update to use notice_source_line.
1740 (output_source_line): Rename notice_source_line. Don't call the
1741 source_line debug hook.
1742 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1743 make static, update prototype.
1744 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1746 (sdbout_end_prologue): New.
1747 (sdbout_source_line): Update prototype.
1748 (sdbout_debug_hooks): Update.
1749 (sdbout_symbol): Remove unused var.
1750 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1752 * varasm.c: Include debug.h.
1753 (assemble_start_function): Use begin_function debug_hook.
1754 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1755 update with prototype.
1756 (xcoffout_source_line): Update prototype.
1757 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1759 (xcoffout_source_line): Update prototype.
1761 2001-07-17 Richard Henderson <rth@redhat.com>
1763 * c-typeck.c (build_binary_op): Do not shorten unsigned
1764 right shift after sign extension.
1766 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1768 * combine.c (combine_simplify_rtx): Attempt to simplify
1769 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1771 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1772 (simplify_binary_operation, simplify_unary_operation,
1773 simplify_relational_operation): Use it.
1775 * combine.c (combine_simplify_rtx): Don't do associative law
1776 on divisions; allow associative law on floats.
1778 2001-07-17 H.J. Lu <hjl@gnu.org>
1779 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1781 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1782 ASM_OUTPUT_WEAK_ALIAS are defined.
1783 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1784 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1786 * config/mips/iris5.h: ... here.
1787 (HANDLE_SYSV_PRAGMA): Defined as 1.
1788 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1789 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1792 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1794 * c-parse.in (all_prefix_attributes): New variable.
1795 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1796 (maybe_resetattrs): New production.
1797 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1798 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1799 notype_initdcl, nested_function, notype_nested_function,
1800 component_decl, components, components_notype,
1801 component_declarator, component_notype_declarator,
1802 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1803 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1804 after a comma being applied to more than one declarator.
1805 * doc/extend.texi (Attribute Syntax): Update. Remove
1806 documentation of bugs that are no longer present.
1808 2001-07-13 Eric Christopher <echristo@redhat.com>
1810 * config/mips/mips.h: Change TUNE_MIPS* options to use
1812 (EXTRA_SPECS): Add cc1_cpu_spec.
1813 * config/mips/mips.md (muldf3): Fix typo.
1815 2001-07-16 Richard Henderson <rth@redhat.com>
1817 * config/m68k/m68k.c: Include expr.h and reload.h.
1818 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1819 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1821 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1822 Richard Henderson <rth@redhat.com>
1824 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1825 (insn_live_p): Fix fall off end of function.
1826 (dead_libcall_p): Remove COUNTS argument; update callers.
1827 (delete_trivially_dead_insns): Remove unused variables.
1829 2001-07-17 Andreas Jaeger <aj@suse.de>
1831 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1834 * lcm.c (optimize_mode_switching): Avoid warning for unused
1835 variable if !NORMAL_MODE.
1837 * flow.c (try_crossjump_to_edge): Remove unused variable.
1839 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1841 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1842 atexit declaration in stdlib.h.
1844 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1846 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1848 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1850 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1851 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1852 do rebuild_jump_labels instead of jump_optimize
1853 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1854 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1855 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1857 * flow.c: Include timevar.h
1858 (find_basic_block): Push/pop timevar;
1859 (cleanup_cfg): Likewise.
1860 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1861 * Makefile: Add dependencies on timevar.h
1863 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1864 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1866 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1867 * toplev.c (rest_of_compilation): Update calls.
1868 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1869 (delete_trivially_dead_insns): ... here; accept new argument
1870 preserve_basic_blocks; preserve basic blocks if set.
1872 * reg-stack.c (stack_regs_mentioned): Return 0 if
1873 stack_regs_mentioned_data is not initialized.
1874 (reg_to_stack): Make stack_regs_mentioned survive after the
1875 reg-stack is completted; do not call cleanup_cfg.
1876 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1877 make cleanup_cfg after bb-reorder to output to debug file.
1879 2001-07-16 Richard Henderson <rth@redhat.com>
1881 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1882 from int_reg_class_contents.
1884 2001-07-16 Richard Henderson <rth@redhat.com>
1886 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1887 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1888 (init_reg_sets_1): Move initialization from cse_main.
1889 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1890 (cse_main): Move its initialization also.
1891 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1892 * flow.c (propagate_one_insn): Likewise.
1893 * gcse.c (compute_hash_table): Likewise.
1894 (compute_kill_rd, compute_store_table): Likewise.
1895 * sched-deps.c (sched_analyze_1): Likewise.
1897 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1899 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1902 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1904 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1905 in if statement so we don't access undefined memory.
1907 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1909 * gcse.c: Update comment at top.
1910 Update comment on mem handling.
1911 mem_last_set, mem_first_set, mem_set_in_block: gone.
1912 Declaration of reg_set_info: gone.
1913 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1914 pointless with load_killed_in_block_p (they are *more*
1915 conservative then it, not less, and less accurate).
1916 (oprs_not_set_p): Ditto.
1917 (alloc_gcse_mem): Don't allocate mem_set_in_block
1918 (free_gcse_mem): Don't free it, either.
1919 (record_last_mem_set_info): Update comment in front, remove
1920 mem_*set_* stuff. Note the reason we don't handle stores directly
1922 (compute_hash_table): Update comments to reflect reality. Remove
1923 mem_*set_* references.
1924 (reset_opr_set_tables): Remove mem_*set_* references.
1926 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1927 (mark_clobber): Ditto (on both parts, we double set here too).
1928 (expr_killed_p): Remove mem_set_in_block test.
1929 (compute_transp): Remove mem_set_in_block test.
1931 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1932 of edge, and removal of phi alternative to dump file.
1933 (ssa_ccp_substitute_constants): Add note about register now being
1934 constant, and which uses were replaced in what insns to dump file.
1936 2001-07-16 Andreas Jaeger <aj@suse.de>
1938 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1939 variables of type HOST_WIDEST_INT.
1941 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1942 (__bb_exit_func): Correct type of count_max to avoid overflow.
1943 (num_digits): Handle long long argument.
1945 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1947 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1949 * output.h (sdb_begin_function_line): Restore as an extern
1951 * sdbout.c (sdb_begin_function_line): Make extern.
1953 2001-07-15 Richard Henderson <rth@redhat.com>
1955 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1956 * genrecog.c (maybe_both_true_mode): New.
1957 (maybe_both_true_2): Use it.
1958 (write_switch): Don't put Pmode in a switch.
1959 * rtl.c (mode arrays): Don't explicitly size them.
1961 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1963 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1964 handling; move unconditional splitting before mode switching.
1966 * i386.md (type): Add fistp type.
1967 (i387, length_attr, scheduling definitions): Handle this type.
1968 (fix_trunc?f?i2): Revamp to use mode switching.
1969 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1970 * i386.h (fp_cw_mode): New enum
1971 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1972 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1974 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1976 * Makefile.in (integrate.o): Add debug.h.
1977 * integrate.c (debug.h): Add.
1978 (output_inline_function): Save, reset, and restore debug_hooks.
1980 2001-07-15 Richard Henderson <rth@redhat.com>
1982 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1983 instead of COMPARE for the EQUIV expression.
1985 2001-07-15 Richard Henderson <rth@redhat.com>
1987 * flow.c (redirect_edge_and_branch_force): Initialize
1988 global_live_at_start and global_live_at_end.
1989 (allocate_bb_life_data): Export.
1990 * basic-block.h (allocate_bb_life_data): Declare.
1991 * toplev.c (rest_of_compilation): Call it.
1993 2001-07-15 Richard Henderson <rth@redhat.com>
1995 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1996 (alpha_tablejump_best_label): New.
1997 * config/alpha/alpha-protos.h: Declare them.
1998 * config/alpha/alpha.md: Use braced strings for code blocks.
1999 (tablejump_osf): Break out add with r29.
2000 (tablejump_osf_internal): Remove.
2001 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2002 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2004 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2006 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2009 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2011 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2012 (ix86_fp_jump_nontrivial_p): New.
2013 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2014 use ix86_fp_jump_nontrivial_p.
2015 * i386.c (ix86_fp_jump_nontrivial_p): New.
2016 (ix86_split_fp_branch): Accept code instead of rtx.
2017 (ix86_expand_compare): Expand comparison early in case
2018 doing so is resonably cheap.
2020 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2022 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2024 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2025 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2027 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2029 * dbxout.c (dbxout_source_line): Make static, update prototype.
2030 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2031 (dbxout_init, dbxout_finish, dbxout_source_line,
2032 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2033 * dbxout.h (dbxout_source_line): Delete.
2034 * debug.c (debug_nothing_file, debug_nothing_file_int,
2035 debug_nothing_file_charstar_rtx): New.
2036 (do_nothing_debug_hooks): Update.
2037 (debug_nothing_void, debug_nothing_charstar_rtx,
2038 dwarf2out_end_epilogue): New.
2039 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2040 * debug.h (struct rtx_def): Declare.
2041 (gcc_debug_hooks): New hooks source_line, end_epilogue
2043 (debug_nothing_void, debug_nothing_charstar_rtx,
2044 dwarf2out_end_epilogue): New.
2045 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2046 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2047 (dwarf2_debug_hooks): Update.
2048 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2049 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2050 * dwarf2out.h (dwarf2out_source_line): Remove.
2051 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2052 Make static, update prototype.
2053 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2054 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2055 (dwarf_debug_hooks): Update.
2056 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2057 dwarfout_end_function): Remove.
2058 * final.c (profile_function): Use debug hooks for ending functions
2060 (output_source_line, final_end_function): Update prototype,
2062 (final_start_function, final_scan_insn): Update.
2063 * output.h (sdb_begin_function_line): Remove.
2064 (final_end_function): Update prototype.
2065 * sdbout.c (sdb_begin_function_line): Make static.
2066 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2067 (sdbout_source_line): New.
2068 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2070 (sdb_debug_hooks): Update.
2071 (sdbout_init, sdbout_source_line,
2072 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2073 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2074 * toplev.c (compile_file, rest_of_compilation): Update.
2075 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2076 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2077 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2078 Update for prototype changes.
2079 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2080 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2082 2001-07-15 Richard Henderson <rth@redhat.com>
2084 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2085 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2086 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2087 * config/alpha/alpha.c: Likewise.
2088 * config/alpha/alpha.md: Likewise.
2089 * config/alpha/alpha32.h: Likewise.
2090 * config/alpha/vms.h: Likewise.
2093 2001-07-14 Richard Henderson <rth@redhat.com>
2095 * config/alpha/alpha.md: Use define_constants for unspec values.
2096 Substitute throughout.
2098 2001-07-14 Tim Josling <tej@melbpc.org.au>
2100 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2102 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2104 * pa.md: Remove unused constraints from define_split's.
2106 2001-04-14 Richard Henderson <rth@redhat.com>
2108 * ifcvt.c (find_cond_trap): Test for exit block.
2110 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2112 Re-install recently reverted patch.
2113 * emit-rtl.c (try_split): Update mark_jump_label call.
2114 * flow.c (find_sub_basic_blocks): Likewise.
2115 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2117 (mark_all_labels): Kill second parameter.
2118 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2119 (rebuild_jump_labels, jump_optimize_minimal): Update call
2121 (jump_optimize_1): Kill crossjumping code.
2122 (mark_jump_label): Kill cross_jump parameter.
2123 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2124 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2125 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2127 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2129 (dump_file_info): Likewise.
2130 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2131 reorganize passes to do reg-stack first, bb-reorder second.
2132 * invoke.texi (-d letters doc): Remove the jump2 pass.
2134 2001-07-14 Richard Henderson <rth@redhat.com>
2136 * ifcvt.c (find_cond_trap): New.
2137 (find_if_header): Call it.
2138 (merge_if_block): Relax existing jump sanity check.
2139 * jump.c (jump_optimize_1): Remove conditional trap handling.
2141 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2143 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2145 (insn_refs_are_delayed): Correct comment.
2146 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2147 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2148 instead of r31. Make associated insn !TARGET_64BIT, and
2149 provide an additional 64-bit insn that clobbers r2.
2151 (udivsi3): Likewise.
2153 (umodsi3): Likewise.
2155 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2157 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2159 * flow.c (redirect_edge_and_branch_force, split_edge,
2160 try_crossjump_to_edge): Use set_block_for_new_insns.
2161 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2163 2001-07-13 H.J. Lu (hjl@gnu.org)
2165 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2168 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2170 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2172 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2174 * c-common.c (decl_attributes): Take a pointer to the node to
2175 which attributes are to be attached, and a flags argument.
2176 * c-common.h (enum attribute_flags): New.
2177 (decl_attributes): Update prototype.
2178 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2179 finish_enum, start_function): Update calls to decl_attributes.
2180 * c-parse.in (component_declarator, component_notype_declarator,
2181 label): Update calls to decl_attributes.
2183 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2185 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2186 * config/avr/avr.c (legitimate_address_p): Return value changed
2187 from letter to register classes. For better debugging.
2189 2001-07-13 Kazu Hirata <kazu@hxi.com>
2191 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2193 2001-07-13 H.J. Lu (hjl@gnu.org)
2195 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2197 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2199 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2200 correctly for shared configurations.
2201 * config/t-libgcc-pic: New.
2202 * config/{i386,m68k,sparc}/t-openbsd: New.
2203 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2204 Support -shared. Support debugging libraries with -g.
2205 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2206 frame information does not emit pointer diffs.
2207 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2210 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2212 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2214 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2216 * combine.c (try_combine): Ensure const_int pow2 is positive.
2218 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2220 * config.gcc: Add configuration for s/390.
2221 * config/s390/s390.c: New. Subroutines for code generation.
2222 * config/s390/s390.h: New. Definitions for s/390.
2223 * config/s390/s390-protos.h: New. Prototypes.
2224 * config/s390/linux.h: New. Definitions for linux for s/390.
2225 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2226 * config/s390/t-linux: New. Makefile fragment.
2227 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2228 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2230 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2232 * emit-rtl.c (try_split): Update mark_jump_label call.
2233 * flow.c (find_sub_basic_blocks): Likewise.
2234 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2236 (mark_all_labels): Kill second parameter.
2237 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2238 (rebuild_jump_labels, jump_optimize_minimal): Update call
2240 (jump_optimize_1): Kill crossjumping code.
2241 (mark_jump_label): Kill cross_jump parameter.
2242 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2243 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2244 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2246 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2248 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2249 reorganize passes to do reg-stack first, bb-reorder second.
2250 * invoke.texi (-d letters doc): Remove the jump2 pass.
2252 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2254 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2256 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2258 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2260 (verify_flow_info): Make diagnostics prettier.
2262 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2264 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2266 * flow.c (outgoing_edges_match): Return early if condition reversal
2269 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2271 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2272 (mips_move_2words): When splitting a move into two instructions,
2273 prefix the second address operand with '%D'.
2275 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2277 * Makefile.in (final.o): Depend on debug.h.
2278 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2279 (dbx_debug_hooks): Add new hooks.
2280 (xcoff_debug_hooks): New.
2281 * debug.c (debug_nothing_file_int_int): New.
2282 (do_nothing_debug_hooks): Update.
2283 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2284 (debug_nothing_file_int_int): New.
2285 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2286 static, update prototype.
2287 (dwarf2_debug_hooks): Update.
2288 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2289 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2290 static, update prototype.
2291 (dwarf_debug_hooks): Update.
2292 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2293 * final.c: Include debug.h.
2294 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2295 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2296 static, update prototype.
2297 (sdb_debug_hooks): Update.
2298 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2299 * toplev.c: Distinguish between xcoff and dbx.
2301 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2302 Call all debug hooks, not just dwarf ones.
2304 2001-07-11 Timothy Wall <twall@redhat.com>
2306 * config.gcc: Add configuration for AIX5/IA64.
2307 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2308 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2309 support prefix/suffix code.
2310 * config/ia64/t-aix: New. Makefile fragment.
2311 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2313 2001-07-11 Kazu Hirata <kazu@hxi.com>
2315 * recog.c (validate_change): Fix a comment typo.
2317 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2319 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2320 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2322 * dbxout.c (dbx_debug_hooks): Add new hooks.
2323 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2325 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2327 * dbxout.h (dbxout_start_new_source_file,
2328 dbxout_resume_previous_source_file): Delete.
2329 * debug.c (do_nothing_debug_hooks): Add new hooks.
2330 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2331 (debug_nothing_int_charstar, debug_nothing_int): New.
2332 * debug.h (gcc_debug_hooks): New hooks define, undef,
2333 start_source_file and end_source_file.
2334 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2335 (debug_nothing_int_charstar, debug_nothing_int): New.
2336 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2337 the conditionally compiled section.
2338 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2339 dwarf2out_define, dwarf2out_undef): Make static.
2340 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2341 dwarf2out_define, dwarf2out_undef): Remove.
2342 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2343 (dwarfout_start_source_file, dwarfout_end_source_file,
2344 dwarfout_define, dwarfout_undef): Make static.
2345 (dwarfout_start_source_file_check,
2346 dwarfout_end_source_file_check): New.
2347 (dwarfout_define, dwarfout_finish): Update.
2348 * dwarfout.h (dwarfout_start_new_source_file,
2349 dwarfout_resume_previous_source_file, dwarfout_define,
2350 dwarfout_undef): Remove.
2351 * sdbout.c (sdb_debug_hooks): Add new hooks.
2352 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2354 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2355 make static, take an arg.
2356 * sdbout.h (sdbout_start_new_source_file,
2357 sdbout_resume_previous_source_file): Delete.
2358 * toplev.c (debug_start_source_file, debug_end_source_file,
2359 debug_define, debug_undef): Delete.
2360 * toplev.h (debug_start_source_file, debug_end_source_file,
2361 debug_define, debug_undef): Delete.
2363 * java/jcf-parse.c: Include debug.h.
2364 (parse_class_file): Update to use debug hooks directly.
2365 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2367 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2369 * alias.c (set_mem_alias_set): New function.
2370 * rtl.h (set_mem_alias_set): Declare it.
2371 * builtins.c (expand_builtin_return_addr): Call it instead of
2372 using MEM_ALIAS_SET accessor.
2373 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2374 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2375 (expand_builtin_va_copy):Likewise.
2376 * caller-save.c (setup_save_areas): Likewise.
2377 * calls.c (compute_argument_addresses): Likewise.
2378 * explow.c (set_mem_attributes): Likewise.
2379 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2380 (expand_assignment, store_constructor_field, store_field): Likewise.
2381 (expand_expr_unaligned): Likewise.
2382 * function.c (assign_stack_temp_for_type): Likewise.
2383 (put_reg_into_stack, gen_mem_addressof): Likewise.
2384 * ifcvt.c (noce_try_cmove_arith): Likewise.
2385 * reload1.c (reload, alter_reg): Likewise.
2386 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2387 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2388 (alpha_expand_unaligned_store): Likewise
2389 (alpha_expand_unaligned_load_words): Likewise.
2390 (alpha_expand_unaligned_store_words): Likewise.
2391 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2392 (alpha_expand_epilogue): Likewise.
2393 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2394 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2395 * config/i386/i386.c (legitimize_pic_address): Likewise.
2396 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2397 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2398 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2399 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2400 * config/mips/mips.c (mips_va_arg): Likewise.
2401 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2402 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2403 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2404 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2405 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2406 (rs6000_emit_epilogue): Likewise.
2407 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2408 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2409 * config/v850/v850.c (v850_va_arg): Likewise.
2411 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2413 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2414 when fallthru edge is present.
2415 (mege_blocks): Handle case where creation of jump insn
2418 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2419 CLEANUP_POST_REGSTACK): New constants.
2420 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2421 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2422 * output.h (cleanup_cfg): Update prototype.
2423 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2424 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2425 cleanup_cfg call; kill missleading comment.
2426 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2427 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2428 parameter; control optimizations performed using it.
2429 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2430 try_crossjump_bb): New functions.
2432 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2434 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2436 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2437 pa_output_function_prologue.
2438 * pa-protos.h (pa_output_function_prologue): New prototype.
2440 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2442 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2443 and low to get correct sign extension in low+high test.
2445 2001-07-11 Janis Johnson <janis@us.ibm.com>
2447 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2448 for large hit count.
2450 * profile.c (branch_prob): Fix .bbg info for computed gotos
2453 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2455 * stmt.c (parse_output_constraint): New function, split out
2457 (expand_asm_operands): ... here. Use parse_output_constraint.
2458 * tree.h (parse_output_constraint): Declare it.
2460 2001-07-11 Richard Henderson <rth@redhat.com>
2462 * bitmap.c: Comment some functions; fiddle whitespace.
2463 (bitmap_free): Don't export.
2464 (bitmap_element_allocate): Use memset.
2465 * bitmap.h (bitmap_free): Don't declare.
2467 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2469 * gcse.c, lcm.c, sched-deps.c:
2470 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2472 * flow.c (flow_loops_find): Free dom if we found no loops, since
2473 we aren't going to save it.
2475 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2478 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2480 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2482 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2484 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2485 #ifndef DWARF2_DEBUGGING_INFO.
2487 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2489 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2491 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2493 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2494 reverse a branch if a NE comparison is implemented with GTU.
2496 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2497 H.J. Lu <hjl@gnu.org>
2499 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2501 (call_internal2): Likewise.
2502 (call_value_internal1): Likewise.
2503 (call_value_internal2): Likewise.
2504 (call_value_multiple_internal1): Likewise.
2505 (call_value_multiple_internal2): Likewise.
2507 2001-07-10 Kazu Hirata <kazu@hxi.com>
2509 * calls.c (emit_library_call_value_1): Fix a comment typo.
2510 * dwarf2out.c (mem_loc_descriptor): Likewise.
2511 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2513 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2515 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2517 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2519 * recog.c (offsettable_address_p): Handle LO_SUM case.
2520 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2521 instead of plus_constant.
2523 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2525 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2526 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2528 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2530 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2531 adjust_address_nv instead of plus_constant.
2533 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2535 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2536 dwarf2out.o): Depend on debug.h, wrap long lines.
2537 * dbxout.c: Include debug.h.
2538 (dbx_debug_hooks): New.
2539 (dbxout_init): Make static, take just 2 args.
2540 (dbxout_finish): Make static.
2541 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2542 * debug.c: New file.
2543 * debug.h: New file.
2544 * dwarf2out.c: Include debug.h.
2545 (dwarf2_debug_hooks): New.
2546 (dwarf2out_init): Make static.
2547 (dwarf2out_finish): Make static, take 2 args.
2548 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2549 * dwarfout.c: Include debug.h.
2550 (dwarf_debug_hooks): New.
2551 (dwarfout_init): Make static.
2552 (dwarfout_finish): Make static, take 2 args.
2553 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2554 * sdbout.c: Include debug.h.
2555 (sdb_debug_hooks): New.
2556 (sdbout_init): Make static, take 2 args.
2557 * sdbout.h (sdbout_init): Delete.
2558 * toplev.c: Include debug.h.
2560 (compile_file): Set deubg_hooks based on command line options.
2561 Use the hooks unconditionally rather than conditional compilation.
2563 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2565 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2566 first_insn_after_basic_block_note instead.
2568 * df.c (df_bb_refs_unlink): #if 0 out for now.
2570 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2572 * ssa.h: Add prototype for ssa_const_prop
2573 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2574 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2575 (ssa_fast_dce): Remove unused variable
2577 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2579 * diagnostic.c (finish_diagnostic): Rename to
2580 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2583 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2585 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2588 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2589 (dump_file): Only pad the demangled name with spaces if the
2590 mangled name was padded with spaces.
2592 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2594 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2597 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2599 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2600 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2603 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2604 whether can put offset inside LO_SUM to check mode alignment, not size.
2606 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2608 * doc/tm.texi (Misc): Fix thinko.
2610 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2612 * regmove.c (replace_in_call_usage): Fix warnings.
2613 * sched-deps.c (add_dependence): Fix warnings.
2614 * simplify-rtx.c (simplify_subreg): Likewise.
2615 Return NULL_RTX instead of NULL.
2617 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2618 (subst_asm_stack_regs): Likewise.
2620 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2623 * dwarf2out.c (output_call_frame_info): Declare i as int.
2624 (build_abbrev_table): Declare n_alloc as int.
2625 (dwarf2out_finish): Initialize die.
2626 * except.c: Declare sjlj_funcdef_number as unsigned.
2627 (connect_post_landing_pads): Declare j as unsigned.
2628 (convert_to_eh_region_ranges): Initialize call_site.
2629 (output_function_exception_table): Initialize tt_format_size.
2630 * expr.c (move_by_pieces_1): Initialize to1.
2631 (store_constructor): Initialize minelt and maxelt.
2632 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2633 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2635 * c-decl.c (combine_parm_decls): Unused, remove.
2636 * c-tree.h: Remove prototype for combine_parm_decls.
2638 * reload.c (push_reload): Fix warning.
2639 (regno_clobbered_p): Likewise.
2640 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2641 (reload_combine): Likewise.
2643 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2644 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2646 * bitmap.c (bitmap_operation): Change user.
2647 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2649 2001-07-10 Eric Christopher <echristo@redhat.com>
2651 * config/mips/mips.c (override_options): Fix typo.
2653 2001-07-09 Stan Shebs <shebs@apple.com>
2655 * target.h (struct gcc_target): New fields init_builtins and
2657 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2658 (TARGET_EXPAND_BUILTIN): New macro.
2659 (TARGET_INITIALIZER): Add them.
2660 * builtins.c: Include target.h.
2661 (expand_builtin): Use targetm.expand_builtin.
2662 (default_init_builtins): New function.
2663 (default_expand_builtin): New function.
2664 * expr.h (default_init_builtins): Declare.
2665 (default_expand_builtin): Declare.
2666 * c-common.c (c_common_nodes_and_builtins): Use
2667 targetm.init_builtins.
2668 * defaults.h (MD_INIT_BUILTINS): Remove.
2669 * Makefile.in (builtins.o): Depend on target.h.
2671 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2672 (TARGET_EXPAND_BUILTIN): Define.
2673 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2674 (MD_EXPAND_BUILTIN): Remove.
2676 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2677 (TARGET_EXPAND_BUILTIN): Define.
2678 (c4x_init_builtins): Make endlink arg a local.
2679 (c4x_print_operand): Fix typos in adjust_address usages.
2680 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2681 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2682 (MD_EXPAND_BUILTIN): Remove.
2684 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2685 (TARGET_EXPAND_BUILTIN): Define.
2686 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2687 (ix86_init_builtins): Call new function only if TARGET_MMX.
2688 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2689 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2690 (MD_EXPAND_BUILTIN): Remove.
2692 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2693 (TARGET_EXPAND_BUILTIN): Define.
2694 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2695 (MD_EXPAND_BUILTIN): Remove.
2697 * doc/tm.texi: Document these changes.
2699 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2701 * basic-block.h (tree_node): Forward declare if needed.
2702 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2703 (BLOCK_HEAD_TREE): Define.
2704 (BLOCK_END_TREE): Define.
2705 (struct loops): Rename field 'tree' to 'tree_root'.
2706 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2708 (flow_loops_tree_build): Rename reference to field 'tree' to
2710 (flow_loops_level_compute): Ditto.
2711 * predict.c (estimate_bb_frequencies): Ditto.
2712 * tree.h (struct tree_common): Add field 'aux'.
2714 2001-07-09 Stan Shebs <shebs@apple.com>
2716 * config/darwin.c (darwin_encode_section_info): Don't mark any
2717 DECL_EXTERNAL node as defined.
2719 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2721 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2722 pa_free_machine_status, hppa_init_pic_save): Delete.
2723 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2724 (hppa_profile_hook): Use hppa_pic_save_rtx.
2725 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2726 hppa_init_pic_save): Delete.
2727 (hppa_pic_save_rtx): Declare.
2728 * pa.md (call, call_value, sibcall, sibcall_value,
2729 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2731 2001-07-09 Kazu Hirata <kazu@hxi.com>
2733 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2734 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2736 2001-07-09 Andreas Jaeger <aj@suse.de>
2738 * output.h: Add declaration of final_forward_branch_p.
2740 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2742 * varray.c: Include errors.h for internal_error and trim_filename
2745 * Makefile.in (varray.o): Add errors.h.
2747 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2749 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2750 * optabs.c (have_add2_insn): Check whether the add insn chosen
2751 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2752 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2754 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2756 * Makefile.in (OBJS): Add ssa-ccp.o
2757 (ssa-ccp.o): Add dependencies.
2758 * toplev.c (DFI_ssa_ccp): New dump file enum.
2759 (dump_file): Add entry for dumping after SSA CCP.
2760 (flag_ssa_ccp): New flag variable.
2761 (f_options): Add -fssa-ccp.
2762 (rest_of_compilation): Run SSA CCP if requested.
2763 * timevar.def (TV_SSA_CCP): New timevar.
2764 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2765 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2766 Fix minor typo in SSA DCE documentation.
2767 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2768 Add documentation for new dump option. Renumber dump files
2771 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2773 * emit-rtl.c (gen_highpart_mode): New.
2774 * rtl.h (gen_highpart_mode): Declare.
2775 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2776 operand can be VOIDmode constant.
2778 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2780 * flow.c (redirect_edge_and_branch_force): New.
2781 (can_fallthru): Ensure that basic blocks are succeeding.
2782 (try_optimize_cfg): Do not delete basic block if it is the last one.
2784 * flow.c (try_redirect_by_replacing_jump): Do not remove
2785 jumps with side effects, unlink chain on fallthru edge;
2786 set block for new jump instruction; avoid basic block to
2787 over by line number note.
2789 * flow.c (try_simplify_condjump): Verify that the condjump
2790 is not always falling trought.
2793 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2795 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2796 (try_redirect_by_replacing_jump): Update properly the count
2797 and frequency information.
2799 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2801 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2802 address that is a LO_SUM specially.
2803 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2805 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2807 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2808 (operand_subword): Use them.
2809 (change_address_1): Renamed from change_address; new arg VALIDATE.
2810 * expr.h: Reflect above changes; change_address now macro.
2811 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2813 * cselib.c (add_mem_for_addr): Likewise.
2814 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2815 * regmove.c (try_apply_stack_adjustment): Likewise.
2816 * reload.c (push_reload, make_memloc): Likewise.
2817 * reload1.c (eliminate_regs): Likewise.
2818 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2819 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2821 * combine.c (make_extraction, simplify_shift_const): Likewise.
2822 (gen_lowpart_for_combine): Likewise.
2823 * cse.c (gen_lowpart_if_possible): Likewise.
2824 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2825 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2826 * optabs.c (gen_move_insn): Likewise.
2827 * reload1.c (alter_reg): Likewise.
2828 * simplify-rtx.c (simplify_subreg): Likewise.
2829 * stmt.c (expand_anon_union_decl): Likewise.
2830 * recog.c (validate_replace_rtx_1): Likewise.
2832 * Makefile.in (recog.o): Add $(EXPR_H).
2833 * explow.c (stabilize): Call replace_equiv_address.
2834 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2835 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2837 2001-07-03 Andrew Haley <aph@redhat.com>
2839 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2840 the mode of the memory location.
2842 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2844 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2846 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2848 * final.c (output_addr_const): Use target opening and
2849 closing parentheses.
2850 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2851 defaults, add to TARGET_ASM_OUT.
2852 * target.h (struct gcc_target): Add open_paren and close_paren.
2853 * doc/md.texi: Update.
2854 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2855 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2856 TARGET_ASM_CLOSE_PAREN.
2857 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2859 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2861 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2862 * config/a29k/a29k.h: Similarly.
2863 * config/alpha/alpha.h: Similarly.
2864 * config/arc/arc.h: Similarly.
2865 * config/arm/aof.h: Similarly.
2866 * config/arm/aout.h: Similarly.
2867 * config/avr/avr.h: Similarly.
2868 * config/c4x/c4x.h: Similarly.
2869 * config/clipper/clipper.h: Similarly.
2870 * config/convex/convex.h: Similarly.
2871 * config/d30v/d30v.h: Similarly.
2872 * config/dsp16xx/dsp16xx.h: Similarly.
2873 * config/elxsi/elxsi.h: Similarly.
2874 * config/fr30/fr30.h: Similarly.
2875 * config/h8300/h8300.h: Similarly.
2876 * config/i370/i370.h: Similarly.
2877 * config/i386/i386.h: Similarly.
2878 * config/i860/i860.h: Similarly.
2879 * config/i960/i960.h: Similarly.
2880 * config/ia64/ia64.h: Similarly.
2881 * config/m32r/m32r.h: Similarly.
2882 * config/m68hc11/m68hc11.h: Similarly.
2883 * config/m68k/m68k.h: Similarly.
2884 * config/m88k/m88k.h: Similarly.
2885 * config/mcore/mcore.h: Similarly.
2886 * config/mips/mips.h: Similarly.
2887 * config/mn10200/mn10200.h: Similarly.
2888 * config/mn10300/mn10300.h: Similarly.
2889 * config/ns32k/ns32k.h: Similarly.
2890 * config/pa/pa.h: Similarly.
2891 * config/pdp11/pdp11.h: Similarly.
2892 * config/pj/pj.h: Similarly.
2893 * config/romp/romp.h: Similarly.
2894 * config/rs6000/rs6000.h: Similarly.
2895 * config/sh/sh.h: Similarly.
2896 * config/sparc/sparc.h: Similarly.
2897 * config/v850/v850.h: Similarly.
2898 * config/vax/vax.h: Similarly.
2899 * config/we32k/we32k.h: Similarly.
2901 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2903 * doc/c-tree.texi: Document representation of attributes.
2905 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2907 * doc/tm.texi: Update some places for the rename of target to
2910 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2912 * target.h (struct gcc_target): Add insert_attributes.
2913 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2914 (TARGET_INITIALIZER): Update.
2915 * tree.c, tree.h (default_insert_attributes): New function.
2916 Update comments on other default functions to refer to targetm,
2918 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2919 TARGET_INSERT_ATTRIBUTES.
2920 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2921 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2922 Don't use PRAGMA_INSERT_ATTRIBUTES.
2923 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2924 * c-decl.c (start_decl, start_function): Don't call
2925 SET_DEFAULT_DECL_ATTRIBUTES.
2926 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2927 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2929 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2930 (c4x_check_attribute): Avoid modifying attribute list itself.
2931 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2933 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2934 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2936 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2937 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2939 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2940 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2942 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2943 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2944 Adjust parameters. Make static.
2946 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2948 * c-common.c (decl_attributes): Only take a single attributes
2950 * c-common.h (decl_attributes): Update prototype.
2951 * c-decl.c (start_decl, start_function): Only take a single
2952 attributes parameter. Update calls to decl_attributes.
2953 (finish_struct, finish_enum): Update calls to decl_attributes.
2954 (push_parm_decl): Expect unified list of attributes. Update call
2956 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2957 notype_nested_function, component_declarator,
2958 component_notype_declarator, label): Update calls to
2960 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2961 lists that are passed to push_parm_decl.
2962 * c-tree.h (start_function, start_decl): Update prototypes.
2963 * config/sh/sh-protos.h, config/sh/sh.c
2964 (sh_pragma_insert_attributes): Only take a single attributes
2966 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2967 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2968 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2969 build_module_descriptor, generate_static_references,
2970 generate_strings, build_selector_translation_table,
2971 generate_descriptor_table, generate_protocols,
2972 generate_ivars_list, generate_dispatch_table,
2973 generate_protocol_list, generate_category,
2974 generate_shared_structures, really_start_method, add_objc_decls,
2975 generate_classref_translation_entry): Update calls to start_decl
2977 (build_tmp_function_decl, start_method_def): Unify attribute lists
2978 that are passed to push_parm_decl.
2980 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2982 * final.c (no_asm_to_stream): New.
2983 (final_scan_insn): Use target structures for prologue ends
2984 and epilogue starts.
2985 * output.h (no_asm_to_stream): New.
2986 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2987 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2988 (TARGET_ASM_OUT): Update.
2989 * target.h (struct gcc_target): New members function_end_prologue
2990 and function_begin_epilogue.
2991 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2992 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2993 * config/alpha/alpha.c (output_end_prologue): Rename to
2994 alpha_output_function_end_prologue. Use in target struct
2996 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2997 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2998 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2999 ia64_output_function_end_prologue. Use in target struct
3001 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3002 mistyped prototypes.
3003 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3004 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3006 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3007 an use in target struct, make static.
3008 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3011 2001-07-08 Richard Henderson <rth@redhat.com>
3013 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3015 2001-07-08 Richard Henderson <rth@redhat.com>
3017 * config/i386/i386.md: Remove constraints strings from define_split
3018 and define_peephole2 patterns.
3019 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3020 (eh_return): Use them.
3022 2001-07-08 Richard Henderson <rth@redhat.com>
3024 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3025 Document MD_FALLBACK_FRAME_STATE_FOR.
3027 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3029 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3030 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3032 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3034 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3036 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3037 of the label inside NAME as opposed to just the end of NAME.
3039 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3041 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3042 * config/alpha/alpha.c (alpha_init_machine_status,
3043 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3044 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3045 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3046 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3048 2001-07-06 Stan Shebs <shebs@apple.com>
3050 * target.h (targetm): Rename global from "target", so as not to
3051 conflict with local variables.
3053 * c-typeck.c: Ditto.
3057 * cp/decl2.c: Ditto.
3058 * cp/typeck.c: Ditto.
3059 * 1750a/1750a.c: Ditto.
3060 * a29k/a29k.c: Ditto.
3064 * clipper/clipper.c: Ditto.
3065 * convex/convex.c: Ditto.
3066 * d30v/d30v.c: Ditto.
3067 * dsp16xx/dsp16xx.c: Ditto.
3068 * elxsi/elxsi.c: Ditto.
3069 * fr30/fr30.c: Ditto.
3070 * h8300/h8300.c: Ditto.
3071 * i370/i370.c: Ditto.
3072 * i386/i386.c: Ditto.
3073 * i860/i860.c: Ditto.
3074 * i960/i960.c: Ditto.
3075 * ia64/ia64.c: Ditto.
3076 * m32r/m32r.c: Ditto.
3077 * m68hc11/m68hc11.c: Ditto.
3078 * m68k/m68k.c: Ditto.
3079 * m88k/m88k.c: Ditto.
3080 * mips/mips.c: Ditto.
3081 * ns32k/ns32k.c: Ditto.
3083 * pdp11/pdp11.c: Ditto.
3084 * romp/romp.c: Ditto.
3085 * rs6000/rs6000.c: Ditto.
3087 * sparc/sparc.c: Ditto.
3089 * we32k/we32k.c: Ditto.
3090 * doc/tm.texi: Update the manual to match.
3092 2001-07-06 Richard Henderson <rth@redhat.com>
3094 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3095 DWARF2_UNWIND_INFO not just whether it is defined.
3097 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3099 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3100 call to simplify_binary_operation returns a new pattern.
3102 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3104 * glimits.h (__SHRT_MAX__): New.
3105 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3106 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3108 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3110 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3113 2001-07-06 Richard Henderson <rth@redhat.com>
3115 * bitmap.c (bitmap_release_memory): Move adjacent to the
3116 allocation functions.
3117 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3118 the implementation. Binary search for the set bit.
3119 (bitmap_union_of_diff): Allocate the temporary on the stack
3120 instead of using xmalloc.
3122 2001-07-06 Richard Henderson <rth@redhat.com>
3124 * genrecog.c (validate_pattern): Warn for constraints in
3125 define_{expand,split,peephole2}. Remove strict_low_part
3126 before looking up match_dup.
3128 2001-07-06 DJ Delorie <dj@redhat.com>
3130 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3131 chapter about various build hints and history. Add section
3132 talking about the various types of native and cross builds.
3134 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3136 * Makefile.in (final.o): Depend on target.h.
3137 * final.c: Include target.h.
3138 (default_function_pro_epilogue): New.
3139 (final_start_function): Use target structure for function prologues.
3140 (final_end_function): Use target structure for function epilogues.
3141 * fold-const.c (real_hex_to_f): Constify s and p.
3142 * output.h (default_function_pro_epilogue): New.
3143 * real.h (real_hex_to_f): Update prototype.
3144 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3145 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3146 (TARGET_INITIALIZER): Update.
3147 * target.h (gcc_target): Add struct asm_out.
3148 * doc/tm.texi: Update.
3151 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3152 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3153 in cpu/cpu.c, or rename old functions consistently. Take
3154 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3155 redundant macros and prototypes. Make new functions static.
3157 * 1750a/1750a.c: Similarly.
3158 * 1750a/1750a.h: Similarly.
3159 * a29k/a29k-protos.h: Similarly.
3160 * a29k/a29k.c: Similarly.
3161 * a29k/a29k.h: Similarly.
3162 * arc/arc-protos.h: Similarly.
3163 * arc/arc.c: Similarly.
3164 * arc/arc.h: Similarly.
3165 * arm/arm-protos.h: Similarly.
3166 * arm/arm.c: Similarly.
3167 * arm/arm.h: Similarly.
3168 * avr/avr-protos.h: Similarly.
3169 * avr/avr.c: Similarly.
3170 * avr/avr.h: Similarly.
3171 * clipper/clipper-protos.h: Similarly.
3172 * clipper/clipper.c: Similarly.
3173 * clipper/clipper.h: Similarly.
3174 * convex/convex.c: Similarly.
3175 * convex/convex.h: Similarly.
3176 * d30v/d30v-protos.h: Similarly.
3177 * d30v/d30v.c: Similarly.
3178 * d30v/d30v.h: Similarly.
3179 * d30v/d30v.md: Similarly.
3180 * dsp16xx/dsp16xx-protos.h: Similarly.
3181 * dsp16xx/dsp16xx.c: Similarly.
3182 * dsp16xx/dsp16xx.h: Similarly.
3183 * elxsi/elxsi.c: Similarly.
3184 * elxsi/elxsi.h: Similarly.
3185 * fr30/fr30.c: Similarly.
3186 * fr30/fr30.md: Similarly.
3187 * h8300/h8300-protos.h: Similarly.
3188 * h8300/h8300.c: Similarly.
3189 * h8300/h8300.h: Similarly.
3190 * i370/i370-protos.h: Similarly.
3191 * i370/i370.c: Similarly.
3192 * i370/i370.h: Similarly.
3193 * i386/i386.c: Similarly.
3194 * i386/osf1elf.h: Similarly.
3195 * i386/osfrose.h: Similarly.
3196 * i860/i860-protos.h: Similarly.
3197 * i860/i860.c: Similarly.
3198 * i860/i860.h: Similarly.
3199 * i960/i960-protos.h: Similarly.
3200 * i960/i960.c: Similarly.
3201 * i960/i960.h: Similarly.
3202 * ia64/ia64-protos.h: Similarly.
3203 * ia64/ia64.c: Similarly.
3204 * ia64/ia64.h: Similarly.
3205 * m32r/m32r-protos.h: Similarly.
3206 * m32r/m32r.c: Similarly.
3207 * m32r/m32r.h: Similarly.
3208 * m68hc11/m68hc11-protos.h: Similarly.
3209 * m68hc11/m68hc11.c: Similarly.
3210 * m68hc11/m68hc11.h: Similarly.
3211 * m68k/crds.h: Similarly.
3212 * m68k/dpx2.h: Similarly.
3213 * m68k/m68k-protos.h: Similarly.
3214 * m68k/m68k.c: Similarly.
3215 * m68k/m68k.h: Similarly.
3216 * m68k/news.h: Similarly.
3217 * m88k/m88k-protos.h: Similarly.
3218 * m88k/m88k.c: Similarly.
3219 * m88k/m88k.h: Similarly.
3220 * mips/mips-protos.h: Similarly.
3221 * mips/mips.c: Similarly.
3222 * mips/mips.h: Similarly.
3223 * ns32k/merlin.h: Similarly.
3224 * ns32k/ns32k.c: Similarly.
3225 * ns32k/ns32k.h: Similarly.
3226 * ns32k/tek6000.h: Similarly.
3227 * pa/pa-protos.h: Similarly.
3228 * pa/pa.c: Similarly.
3229 * pa/pa.h: Similarly.
3230 * pdp11/2bsd.h: Similarly.
3231 * pdp11/pdp11-protos.h: Similarly.
3232 * pdp11/pdp11.c: Similarly.
3233 * pdp11/pdp11.h: Similarly.
3234 * romp/romp-protos.h: Similarly.
3235 * romp/romp.c: Similarly.
3236 * romp/romp.h: Similarly.
3237 * rs6000/rs6000-protos.h: Similarly.
3238 * rs6000/rs6000.c: Similarly.
3239 * rs6000/rs6000.h: Similarly.
3240 * rs6000/sysv4.h: Similarly.
3241 * sh/sh-protos.h: Similarly.
3242 * sh/sh.c: Similarly.
3243 * sh/sh.h: Similarly.
3244 * sparc/sparc-protos.h: Similarly.
3245 * sparc/sparc.c: Similarly.
3246 * sparc/sparc.h: Similarly.
3247 * vax/vax.c: Similarly.
3248 * vax/vax.h: Similarly.
3249 * vax/vms.h: Similarly.
3250 * we32k/we32k.c: Similarly.
3251 * we32k/we32k.h: Similarly.
3253 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3255 * basic-block.h (first_insn_after_basic_block_note): Declare.
3256 * flow.c (first_insn_after_basic_block_note): Define. Moved
3258 * ssa.c (first_insn_after_basic_block_note): Remove.
3259 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3261 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3262 nodes when we find a dead conditional branch. Insert BARRIERs
3263 after any blocks with no successors, but which do not have
3266 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3268 * varray.c (varray_check_failed): Use internal_error.
3270 2001-07-05 Andrew Haley <aph@redhat.com>
3272 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3273 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3274 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3276 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3278 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3279 reference if the target constant is also a SYMBOL_REF.
3281 2001-07-05 Eric Christopher <echristo@redhat.com>
3283 * config/mips/mips.h (MASK_MIPS3900): Remove.
3284 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3285 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3286 (TARGET_MIPS3900): Change to use mips_arch.
3287 (TARGET_MIPS4000): New.
3288 (TARGET_MIPS4100): New.
3289 (TARGET_MIPS4300): New.
3290 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3291 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3293 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3294 (ISA_HAS_BRANCHLIKELY): To here.
3295 (CC1_CPU_SPEC): New.
3296 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3297 (mips_arch_string): Declare.
3298 (mips_arch): Declare.
3299 (TARGET_OPTIONS): Add -march and -mtune.
3301 * config/mips/mips.c (mips_arch_string): New.
3303 (override_options): Handle -march for codegen and -mtune
3304 for scheduling. Use mips_arch. Move tx39 target default here.
3305 (mips_parse_cpu): Move error message to override_options.
3307 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3309 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3311 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3312 (MIPS Options): Ditto. Change mcpu entry to historical text.
3314 2001-07-05 H.J. Lu (hjl@gnu.org)
3316 * config/mips/mips.c (mips_parse_cpu): New function to parse
3319 2001-07-05 Jim Wilson <wilson@redhat.com>
3321 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3322 * config/ia64/t-ia64: Likewise.
3323 (LIB1ASMFUNCS): Update comment.
3325 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3327 * doc/install.texi (Install GCC: Binaries): Fix typo.
3329 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3331 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3332 reference using the stack pointer, adjust it since we push Y
3334 ("*ashrsi3"): Likewise.
3335 ("*lshrsi3"): Likewise.
3337 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3339 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3340 when -fomit-frame-pointer is used.
3342 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3344 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3345 (try_redirect_by_replacing_jump): Reverse updating properly the
3346 count and frequency information. Reverse removing cc0 setter.
3347 (forwarder_block_p): Reverse fixing for fallthru blocks.
3349 2001-07-05 DJ Delorie <dj@redhat.com>
3351 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3352 (translate_options): If the above is defined, use it to map
3353 given options to new options.
3354 * doc/tm.texi: Document it.
3356 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3357 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3359 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3360 cause programs using computed gotos to run more slowly.
3362 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3364 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3366 Consistently require binutils 2.11.2, not prereleases.
3367 (Specific, decstation-*): Canonicalize as mips-dec-*.
3368 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3370 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3371 (Specific, mips-*): Reword MIPS C compiler requirements.
3372 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3373 (Specific, sunv5): Removed, obsolete.
3375 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3377 * dwarf2out.c (output_loc_list): Use an all ones mask for
3378 .text asm output and don't rely on long long
3379 literals. Reformat some long lines.
3381 2001-07-05 Andreas Jaeger <aj@suse.de>
3383 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3386 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3388 * dwarf2out.c (dwarf2out_define): Update comment.
3389 (dwarf2out_undef): Ditto.
3390 (dwarf2out_start_source_file): Ditto.
3391 (dwarf2out_end_source_file): Ditto.
3392 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3393 since we never call the start/end debug hook for the primary file.
3395 2001-07-04 Kazu Hirata <kazu@hxi.com>
3397 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3400 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3402 * cppinit.c (remove_dup_dirs): Inform if a system include
3403 directory is being reordered.
3404 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3406 * doc/cpp.texi (Search Paths): Likewise.
3407 * doc/gcc.texi (Interoperation): Remove information about
3410 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3412 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3413 (VARRAY_TOP_CHAR_PTR): Likewise.
3415 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3417 * gcc.c (process_command): Don't assign elements of a const char*.
3419 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3421 * emit-rtl.c (change_address): Don't abort if invalid address while
3422 reload is in progress.
3424 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3426 * c-lex.c (cb_file_change): Pass line number to
3427 debug_start_source_file.
3428 (cb_undefine): Pass correct line number to debug_undef.
3430 * toplev.c (debug_start_source_file): Add line number to
3431 parameters. Pass it along to dwarf2out_start_source_file.
3432 (decode_g_option): Stop resetting debug level back to normal when
3433 we change debug formats, unless the current level is
3434 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3437 * toplev.h (debug_start_source_file): Add line number to
3440 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3443 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3445 Output debug_macinfo data for starting file if requested.
3446 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3448 (dwarf2out_define): Output debug_macinfo data for defining a macro
3450 (dwarf2out_undef): Output debug_macinfo data for undefining a
3452 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3453 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3454 (macinfo_section_label): New. DWARF2 macro info section label.
3455 (dwarf2out_init): If we want macro info, output the start label
3457 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3458 attribute to the compilation unit die pointing to the macro info.
3460 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3462 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3463 DWARF2_DEBUGGING_INFO.
3464 (add_loc_descr_to_loc_list): Ditto.
3465 (output_loc_list): Ditto.
3466 Also, fix thinko in curr not being initialized.
3467 (gen_internal_sym): Ditto.
3469 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3471 * emit-rtl.c (replace_equiv_address): New function.
3472 * expr.h (replace_equiv_address): New declaration.
3473 * explow.c (validize_mem): Call it instead of change_address and
3474 also call if -fforce-addr and address is constant.
3475 * expr.c: Replace more calls to change_address with adjust_address
3476 and/or replace_equiv_address or to validize_mem.
3477 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3478 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3479 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3480 * config/i370/i370.md, config/i860/i860.md: Likewise.
3481 * config/i960/i960.md, config/mips/mips.c: Likewise.
3482 * config/mips/mips.md, config/pa/pa.md: Likewise.
3483 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3484 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3486 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3488 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3490 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3493 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3495 * doc/include: New directory.
3496 * doc/fdl.texi: Move to doc/include/fdl.texi.
3497 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3498 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3499 * doc/gcc.texi: Use funding.texi and gpl.texi.
3500 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3501 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3502 Update dependencies and use -I $(docdir)/include.
3504 2001-07-04 Anthony Green <green@redhat.com>
3506 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3508 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3510 * doc/install.texi (sparc64-*-*): Remove garbage.
3512 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3514 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3515 Fix typo in last change to use adjust_address.
3517 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3519 * doc/install.texi (Specific): Update information for *-*-solaris*.
3521 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3523 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3525 2001-07-03 Stan Shebs <shebs@apple.com>
3527 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3528 case for flag_no_mach_text_sections.
3529 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3530 * config/darwin.c (flag_no_mach_text_sections): Remove.
3531 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3533 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3535 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3536 and avoid checking for constant as first operand.
3537 * recog.c (find_constant_term_loc): No longer static.
3538 (adj_offettable_operand): Delete.
3539 * rtl.h (adj_offsettable_operand): Delete declaration.
3540 (find_constant_term): Add declaration.
3541 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3543 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3544 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3545 * config/i386/i386.c, config/i386/i386.md: Likewise.
3546 * config/i860/i860.c, config/i960/i960.c: Likewise.
3547 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3548 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3549 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3550 * config/mips/mips.c, config/mips/mips.md: Likewise.
3551 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3552 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3553 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3554 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3555 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3556 * config/ns32k/ns32k.md: Likewise.
3558 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3560 * rtl.c (copy_rtx): Handle 'T' format letter.
3561 * gensupport.c (collect_insn_data): Likewise.
3562 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3564 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3566 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3567 -B option. Use 'dir' not 'foo' as example directory name.
3569 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3571 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3572 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3574 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3576 * doc/cppinternals.texi: Improve formatting and logical markup.
3578 2001-07-03 Andreas Jaeger <aj@suse.de>
3580 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3582 * genrecog.c (write_header): Include reload.h for prototypes in
3585 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3588 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3589 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3590 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3591 i386_pe_valid_type_attribute_p): Add.
3592 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3593 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3595 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3597 * explow.c (plus_constant_wide, case LO_SUM): New case.
3598 (plus_constant_for_output_wide): Delete.
3599 * rtl.h (plus_constant_for_output): Delete.
3600 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3601 instead of plus_constant_for_output.
3602 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3603 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3604 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3605 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3606 * config/sparc/sparc.md: Likewise.
3607 Convert some change_address calls to adjust_address.
3609 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3611 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3612 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3613 documentation of -std and -Wwrite-strings.
3615 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3617 * cse.c (canon_hash): Don't register registers in very small
3618 register classes, as extending their lifetime might cause
3621 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3623 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3625 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3626 (try_redirect_by_replacing_jump): Update properly the count
3627 and frequency information.
3629 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3631 * toplev.c (dump_file_index): Move SSA dumps just after first
3633 (dump_file): Corresponding changes.
3634 (rest_of_compilation): Move SSA path to just after the first
3636 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3637 * doc/invoke.texi: Update dump file #s as they were completely
3638 out of date with reality.
3640 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3642 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3644 * expr.c (emit_move_insn_1): Deal with non-default
3647 * expr.c (emit_single_push_insn): Fix warning.
3649 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3651 * expr.c (emit_move_insn_1): Avoid modifying
3652 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3654 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3656 * emit-rtl.c (adjust_address): New function.
3657 * expr.h (adjust_address): Add declaration.
3658 * builtins.c: Replace some calls to change_address with calls to it
3660 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3661 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3662 * config/arm/arm.c, config/convex/convex.c: Likewise.
3663 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3664 * config/i386/i386.c, config/i386/i386.md: Likewise.
3665 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3666 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3667 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3668 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3669 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3671 2001-07-02 Jim Wilson <wilson@redhat.com>
3673 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3675 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3677 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3678 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3680 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3682 * cppinit.c (lang_defaults): New table.
3683 (set_lang): Just read from lang_defaults into the live options
3686 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3688 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3689 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3690 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3692 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3694 * doc/install.texi: Various spelling and markup fixes.
3695 (Installing GCC): Component specific installation instructions are
3698 Warn about removing old install dir in the presence of shared libs.
3699 (Configuration): Invoke with options target to match configure
3701 Consistently refer to gas, gld pathnames.
3702 Invert --enable-multilib documentation.
3703 Remove references to old compiler versions.
3705 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3707 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3709 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3711 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3713 (Specific, mips*-sgi-irix5): Note IDO download.
3714 Reworded MIPS C hints.
3715 Use GNU as instead of GAS.
3717 Removed SGI Freeware reference, IRIX 6 only.
3718 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3719 Note N64 library requirement/workaround.
3721 Complete list of structure passing bug victims.
3723 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3725 * doc/install.texi: Remove CVS Id.
3727 2001-07-02 Andreas Jaeger <aj@suse.de>
3729 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3730 (find_inherently_necessary): Remove unused variable.
3732 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3734 * c-common.h (TDI_inlined): New ast dump phase.
3735 (dump_flag_name): New function.
3736 * c-dump.c (dump_files): Add inlined phase.
3737 (dump_flag_name): Define.
3738 * doc/invoke.texi (-fdump-ast-inlined): Document.
3740 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3742 * stor-layout.c (layout_decl): Revert change to handling of alignment
3745 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3747 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3750 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3752 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3755 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3757 * tlink.c (recompile_files): Remove COMPILER_PATH and
3758 LIBRARY_PATH from the environment.
3760 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3762 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3763 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3765 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3767 * c-parse.in (OBJC_STRING): Kill.
3768 (objc_string): Decompose to [objc_string] '@' STRING.
3769 (reswords): Take the leading '@' off all the Objective C keywords.
3770 (objc_rid_sans_at): Kill.
3771 (init_reswords): Don't initialize it.
3772 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3773 (_yylex): Kill reconsider label. Look ahead one token after
3774 an '@'; if we get an identifier, check whether it's an
3775 Objective C @-keyword. If so, return the keyword. Otherwise,
3776 put back the token and return the '@' as a terminal.
3778 * cpplib.c (lex_macro_node): Remove unnecessary check for
3779 leading '@' on identifier. Clarify control flow and commentary.
3781 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3783 * cse.c (new_label_ref): Variable deleted.
3784 (insert): Remove set of new_label_ref.
3785 (check_for_label_ref): New function.
3786 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3788 See ChangeLog.5 for earlier changes.