1 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3 * gcse.c: Include df.h for use as a dataflow analyzer.
5 Declaration of reg_set_info: gone.
6 New df_analyzer variable used by store motion.
7 (reg_set_info): Deleted.
8 (mark_mem_regs): New function, analyze regs used by a mem.
9 (store_ops_ok): Use dataflow analyzer results to determine if
10 necessary regs are changed in the block.
11 (find_moveable_store): Remove check for symbol ref, we can handle
12 much more complex expressions now.
13 (compute_store_table): Remove most of the code, it's unnecessary
14 now that the dataflow analyzer records the info for us.
15 (store_killed_after): Add parameter to say whether to do the
16 store_ops_okay test, used to speed up testing when we already know
17 the answer, and just want to know if the store itself was killed.
18 (build_store_vector): Largely rewritten to calculate the various
19 vectors properly, and somewhat optimized.
20 (store_motion): Init the df_analyzer, get REG_DEF chains.
21 Also handle trapping expressions (since mems almost always trap)
22 (simple_mem): Redefine what a simple mem is.
24 2001-08-03 DJ Delorie <dj@redhat.com>
26 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
27 set from a constant part of the condition.
29 2001-08-01 Andrew Cagney <ac131313@redhat.com>
31 * mkdeps.c (deps_add_default_target): Make local variable
32 ``start'' a const char pointer.
33 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
35 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
37 * doc/install.texi (Configuration): Fix markup.
38 (Specific, i?86-*-udk): Likewise.
39 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
41 Document --enable-threads and --enable-libgcj status.
42 (Specific, mips-sgi-irix*): Canonicalize triples.
43 (Specific, mips-sgi-irix5): Warn about problems with this config.
44 Mention required GNU as patch.
45 Native assembler problems are fixed.
46 (Specific, mips-sgi-irix6): Update O32 ABI support status.
47 Document --enable-threads and --enable-libgcj status.
49 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
51 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
54 2001-08-03 Richard Henderson <rth@redhat.com>
56 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
59 2001-08-03 Richard Henderson <rth@redhat.com>
61 * rtlanal.c (find_first_parameter_load): Stop if we
62 reach a CODE_LABEL at BOUNDARY.
64 2001-08-03 Richard Henderson <rth@redhat.com>
66 * config/alpha/alpha.md (force_movdi): New insn.
67 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
68 Tweek FRP marking of VMS prologue insns.
69 * config/alpha/vms.h (EPILOGUE_USES): New.
71 2001-08-02 Richard Henderson <rth@redhat.com>
73 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
75 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
77 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
78 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
79 config/convex/convex.h, config/d30v/d30v.c,
80 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
81 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
82 config/mips/mips.h, config/mn10200/mn10200.h,
83 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
84 config/v850/v850.h, config/vax/openbsd.h,
85 config/vax/openbsd1.h, config/vax/ultrix.h,
86 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
87 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
88 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
89 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
90 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
91 in comments and documentation.
93 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
97 * Makefile.in (line-map.o): New.
98 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
99 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
100 * cpperror.c (print_containing_files): Similarly.
101 (print_location): Update. Don't output a space before _Pragma.
102 * cppfiles.c (stack_include_file): Set to line 1 immediately.
103 (stack_include_filee, cpp_make_system_header): Update.
104 (_cpp_execute_include): Get logical line number right for calling
105 as-yet-unterminated #include.
106 * cpphash.h (struct cpp_reader): Add line_maps.
107 (_cpp_do_file_change): Update.
108 * cppinit.c (cpp_create_reader): Initialize line maps.
109 (cpp_destroy): Destroy line maps.
110 (cpp_start_read): Get logical line number right.
111 * cpplex.c (parse_string): Only warn once for multi-line strings.
112 Use boolean variable for null warning.
113 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
115 (do_include_common): End the directive early.
116 (do_line): Don't warn about out-of-range lines in preprocessed
117 source. Update. Remove unused variables.
118 (_cpp_do_file_change): Update for new line mapping.
119 (pragma_cb): New typedef.
120 (cpp_register_pragma): Stop looking ahead before calling the
122 (do_pragma_system_header): End directive early.
123 (cpp_get_line_maps): New.
124 (cpp_pop_buffer): Fudge logical line. Update.
125 * cpplib.h: Include line-map.h
126 (enum cpp_fc_reason): Remove.
127 (struct cpp_file_change): Update.
128 (cpp_get_line_maps): New.
129 * cppmain.c (struct_printer): New member map.
130 (cb_file_change): Update for new mappings.
131 * fix-header.c (cb_file_change): Similarly.
133 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
135 * Makefile.in (libgcc.mk): Define mkinstalldirs.
136 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
138 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
140 * config/vax/vax.c: include expr.h.
142 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
144 * Makefile.in ($(srcdir)/configure): Only rebuild in
146 ($(srcdir)/config.in): Only define in maintainer mode.
147 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
149 2001-08-02 David Edelsohn <edelsohn@gnu.org>
151 * doc/install.texi (Install GCC: Binaries): Update Bull info.
153 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
155 * gcc.c (set_collect_gcc_options): New function, split out from
157 Ignore elided switches.
158 (do_spec_1): Invoke before executing command.
161 * gcc.h (set_input): ... here.
162 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
165 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
168 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
170 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
172 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
174 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
175 for the unnamed instructions it expands to.
177 2001-08-02 Richard Henderson <rth@redhat.com>
179 * regclass.c (call_really_used_regs): Conditionally define.
180 (init_reg_sets_1): Don't use it if not defined.
181 (fix_register): Similarly, don't set it.
183 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
185 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
186 Correct comment that had been missed in the previous change.
188 2001-08-01 Stan Shebs <shebs@apple.com>
190 * config/darwin.c (machopic_stub_name): Try matching by name.
191 (update_stubs): New function.
192 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
195 2001-08-01 Richard Henderson <rth@redhat.com>
197 * except.c (output_function_exception_table): Use assemble_align.
198 * varasm.c (assemble_eh_label): Remove.
199 (assemble_eh_align, assemble_eh_integer): Remove.
201 2001-08-01 Robert Lipe <robertl@caldera.com>
203 * dwarfout.c: Remove reference to README.DWARF.
205 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
207 * regclass.c (call_really_used_regs): New array for registers which
208 are actually used by a call.
209 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
211 (fix_register): Set call_really_used too.
212 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
213 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
215 2001-08-01 Richard Henderson <rth@redhat.com>
217 * read-rtl.c (read_name): Consider \r whitespace.
219 2001-07-11 Andrew Cagney <ac131313@redhat.com>
221 * config.gcc: Recognize powerpc-*-netbsd*.
223 * doc/install.texi (Host/target specific installation notes for
224 GCC): Mention powerpc-*-netbsd*.
226 * config/rs6000/netbsd.h: New file.
227 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
228 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
229 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
230 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
231 (TARGET_VERSION): Redefine.
233 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
234 mcall-netbsd as a match for mcall-sysv.
235 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
236 (ncrti.S, ncrtn.S): New targets.
237 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
239 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
240 "netbsd' as a V4 ABI.
241 (ASM_SPEC): Check for -mcall-netbsd.
242 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
243 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
244 (LIB_SPEC, ENDFILE_SPEC): Ditto.
245 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
246 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
247 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
248 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
250 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
251 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
253 2001-08-01 Mark Kettenis <kettenis@gnu.org>
255 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
256 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
257 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
258 including "unwind-pe.h".
260 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
262 * rs6000.md (define_splits): Kill unused constraints.
264 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
265 Jan Hubicka <jh@suse.cz>
267 * function.c (thread_prologue_and_epilogue_insns): Kill code
268 dealing with non-existent CFG.
270 2001-08-01 Kazu Hirata <kazu@hxi.com>
272 * alias.c: Fix comment formatting.
273 * bitmap.c: Likewise.
274 * builtins.c: Likewise.
276 * c-common.c: Likewise.
277 * c-decl.c: Likewise.
278 * c-dump.c: Likewise.
280 * collect2.c: Likewise.
281 * combine.c: Likewise.
282 * conflict.c: Likewise.
283 * cppfiles.c: Likewise.
284 * cppinit.c: Likewise.
285 * cpplex.c: Likewise.
286 * cpplib.c: Likewise.
287 * cppmacro.c: Likewise.
288 * cppspec.c: Likewise.
289 * c-pragma.c: Likewise.
290 * crtstuff.c: Likewise.
292 * cselib.c: Likewise.
293 * c-semantics.c: Likewise.
294 * c-typeck.c: Likewise.
296 2001-08-01 H.J. Lu <hjl@gnu.org>
298 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
300 2001-08-01 H.J. Lu <hjl@gnu.org>
302 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
304 2001-08-01 Ziemowit Laski <zlaski@apple.com>
306 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
307 contextualizing Objective-C class name lookup by the lexer.
308 (typespec_reserved_nonattr): Disable ObjC class name lookup after
310 (protocoldef): Add support for forward @protocol declarations.
311 (yylexname): Suppress ObjC class name lookup in certain contexts;
312 re-enable after lookup is complete.
313 (_yylex): Re-enable ObjC class name lookup when certain
314 punctuation marks are seen.
316 * objc/objc-act.c (check_protocol_recursively): New function used
317 for finding circular dependencies in protocols.
318 (objc_declare_protocols): New function for handling forward
319 @protocol declarations.
320 (receiver_is_class_object): Detect the case when 'self' is used
321 inside of a class method.
322 (build_message_expr): Issue a warning if class method is desired
323 but instance method is found instead.
324 (conforms_to_protocol): Streamline.
325 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
326 protocol Foo, even if 'Bar foo' does not.
327 (check_protocols): Streamline.
328 (start_protocol): Add checks for circular and duplicate protocol
330 (encode_aggregate_within): For typedefs of structs, encode the
332 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
333 (objc_declare_protocols): New prototype.
335 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
337 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
338 * cpplex.c (handle_newline): Update prototype. Maintain logical
340 (skip_escaped_newlines, skip_block_comment, parse_string):
342 (_cpp_lex_token): Update, and store token position within the token.
343 * cpplib.h (struct cpp_token): Add line and column entries.
344 * cppmacro.c (replace_args): Position stringified tokens correctly.
346 2001-08-01 Andreas Jaeger <aj@suse.de>
348 * basic-block.h: Add prototype for last_loop_beg_note.
350 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
352 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
353 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
355 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
356 while handling WITH_CLEANUP_EXPR node. Use second operand calling
358 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
360 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
361 operand while calling simple_cst_equal.
362 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
363 operand is the cleanup expression, the third is the RTL_EXPR.
364 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
366 2001-07-31 Jeff Sturm <jsturm@one-point.com>
368 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
370 2001-07-31 matthew green <mrg@eterna.com.au>
372 * config.gcc (i386-*-netbsdelf): New description.
373 * config/i386/netbsd-elf.h: New file.
375 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
377 * loop.c (check_dbra_loop): Use single_set to compute
380 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
382 PowerPC reorg and support for powerpc64-*-linux*.
384 Also fixes emitting of constants on 32 bit and 64 bit
387 * config.gcc: powerpc64-*-linux* is a new target.
388 Things that needed aix.h now also include xcoff.h
390 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
392 Move AIX specific stuff into aix.h.
393 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
394 with more than just XCOFF now.
395 (SET_ASM_OP): Remove, now defined where needed.
396 (FUNCTION_PROLOGUE): New macro definition.
397 (FUNCTION_EPILOGUE): New macro definition.
398 (CONST_OK_FOR_LETTER_P): Change N to require that value is
400 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
402 * config/rs6000/xcoff.h: New file.
404 * config/rs6000/linux64.h: New file.
406 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
408 2001-07-31 Alan Modra <amodra@bigpond.net.au>
410 * rs6000.c (print_operand_address): Handle ELF syntax.
411 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
412 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
413 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
415 2001-07-31 David Edelsohn <edelsohn@gnu.org>
417 * rs6000.c (rs6000_override_options): Only disable
418 flag_function_sections for XCOFF.
419 (exact_log2_cint_operand): New predicate.
420 (reg_or_{add,sub}_cint64_operand): New predicates.
421 (add_operand): Compare CONST_INT with fewer function calls.
422 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
423 (print_operand, case 'p'): Ensure positive operand.
424 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
425 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
426 (PREDICATE_CODES): Add new predicates.
427 * rs6000.md (addsi3): Split 32-bit constants more correctly.
428 (divsi3, modsi3): Ensure positive power-of-2.
429 (adddi3): Use new predicate. Split 32-bit constants more
430 correctly. Re-arrange splitter to handle any constant.
431 (subdi3): Use new predicate.
432 (divdi3, moddi3): Ensure positive power-of-2.
433 (movdi): Use rs6000_emit_set_const.
434 (load_toc_v4_pic_di): Delete.
436 2001-07-31 Graham Stott <grahams@redhat.com>
438 * function.c (pad_below): Revert 2001-07-26 patch.
440 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
442 * reg-stack (convert_regs_1): Fix best edge condition.
444 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
446 * jump.c (duplicate_loop_exit_test): Better test for jumps
447 entering the loop; create loop pre_header.
449 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
451 * doc/install.texi: Add s390 and s390x as new targets.
452 * doc/invoke.texi: Add documantation of S/390 and zSeries
454 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
456 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
458 * config/m68k/m68k.md: Replace all general_operand with
459 nonimmediate_operand for all destinations.
460 * config/m68k/m68k.c (not_sp_operand): Likewise.
462 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
464 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
466 2001-07-30 Richard Henderson <rth@redhat.com>
468 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
469 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
471 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
473 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
474 Add missing doc strings
475 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
476 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
478 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
480 * i386.c (ix86_output_main_function_alignment_hack): New function.
481 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
483 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
484 edges by EDGE_DFS_BACK flag.
485 (dump_edge_info): Add dfs_back flag.
486 * basic-block.h (EDGE_DFS_BACK): New constant.
487 (mark_dfs_back_edges): Declare.
488 * alias.c (loop_p): Remove.
489 (mark_constant_function): Use mark_dfs_back_edges.
491 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
492 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
493 (compensate_edge): Break out from ...
494 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
495 (convert_regs_2): Set block_done once block is really done;
496 Do updating of the predecesors counts.
498 * toplev.c (rest_of_compilation): Recompute block_for_insn
499 before post-reload cfg_cleanup.
500 * function.c (thread_prologue_epilogue_insns):
501 Call set_block_for_new_insns when emitting prologue directly.
503 2001-07-30 Andreas Jaeger <aj@suse.de>
505 * jump.c: Add prototype for mark_modified_reg.
507 * cse.c (set_live_p): Add unused attribute.
509 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
511 (scan_for_source_files): Use long for count to avoid overflow.
512 (output_data): Likewise.
513 (output_data): Don't use string concatatenation to silence gcc
516 * predict.c: Fix typos and grammar.
518 * gcse.c (insert_insn_end_bb): Remove unused variables.
520 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
522 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
523 (attempt_auto_inc): LIkewise.
524 (mark_used_reg): Likewise.
525 (try_pre_increment_1): Likewise.
526 * regclass.c (regclass): Likewise.
527 * global.c (allocno_compare): Update comment; change scaling factor.
528 * local-alloc.c (QTY_CMP_PRI): Likewise.
529 * regs.h (REG_FREQ_FROM_BB): New.
530 (REG_FREQ_MAX): Likewise.
532 2001-07-30 H.J. Lu <hjl@gnu.org>
534 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
537 2001-07-30 H.J. Lu (hjl@gnu.org)
539 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
540 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
541 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
543 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
545 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
546 as -mthumb-interwork when -mcpu=arm7 is specified.
548 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
550 * predict.def (noreturn, loop branch, loop exit): Mark as first
553 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
555 * combine.c (try_combine): Avoid barrier after noop jumps.
557 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
559 * cpphash.h (struct cpp_reader): Remove import_warning.
560 * cpplib.c (skip_rest_of_line): Don't bother turning off
562 (parse_include): Move include handling to...
563 (do_include_common): ... here. Move import warning from...
564 (do_import): ... here.
565 (do_pragma_poison): Don't do a callback for poison identifiers.
566 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
567 * cppmain.c (setup_callbacks): Similarly.
569 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
571 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
572 handle multiple sets.
573 * except.c (sjlj_mark_call_sites): .... here.
574 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
576 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
578 Suggested by Richard Henderson and Richard Kenner:
579 * combine.c (recog_for_combine): Use the fake recog
580 only if instruction does not match.
581 * rtl.h (NOOP_MOVE_INSN_CODE): New.
582 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
584 * combine.c (try_combine): Discover noop jump as direct jump.
586 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
588 * df.c (df_rd_global_compute): Add successors to worklist, not
590 (df_ru_global_compute): Ditto.
592 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
594 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
595 increment REG_N_SETS.
597 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
599 * sbitmap.h: New prototype for sbitmap_a_xor_b.
601 * sbitmap.c (sbitmap_a_xor_b): New function.
602 ifdef the basic block stuff on IN_GCC.
604 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
606 * cppexp.c (parse_defined): Always record the macro name.
607 (lex): Don't worry about identifiers, or special-case
609 (_cpp_parse_expr): Figure out at the end of the routine
610 whether we saw a valid !defined() expression.
611 * cppfiles.c (stack_include_file): Update for mi_valid.
612 (_cpp_pop_file_buffer): Similarly.
613 * cpplex.c (_cpp_lex_token): Similarly.
614 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
615 mi_if_not_defined, mi_lexed): Remove.
617 * cpplib.c (do_if): Simplify.
618 (do_endif, push_conditional, _cpp_handle_directive): Update
619 for renaming of mi_state to mi_valid.
621 * cpp.texi: Add index entries for digraphs, and add comment
622 that C++ refers to them as alternative tokens.
624 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
626 * basic-block.h (CLEANUP_PRE_LOOP): New.
627 * except.c (finish_eh_generation): Update call of cleanup_cfg.
628 * sibcall.c (optimize_sibling_calls): Likewise.
629 * toplev.c (rest_of_compilation): Likewise.
630 * flow.c (try_forward_edges): Take argument MODE;
631 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
632 (try_optimize_cfg): Update call of try_forward_edges.
634 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
635 Jan Hubicka <jh@suse.cz>
637 * (validate_replace_rtx_1): Fix simplification of MINUS.
639 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
642 * cppinit.c (init_dependency_output): Turn off dump requests
643 if sending dependencies to stdout.
645 2001-07-28 Richard Henderson <rth@redhat.com>
647 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
650 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
652 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
654 2001-07-28 Kazu Hirata <kazu@hxi.com>
656 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
657 is VAR_DECL first to prevent an ICE.
659 2001-07-28 Richard Henderson <rth@redhat.com>
661 * varasm.c (immed_real_const_1): Don't elide special cases for
663 (clear_const_double_mem): Clear const_tiny_rtx too.
665 2001-07-28 Richard Henderson <rth@redhat.com>
667 * dwarf2out.c (dw_val_class_offset): New.
668 (struct dw_ranges_struct, dw_ranges_ref): New.
669 (ranges_table, ranges_table_allocated): New.
670 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
671 (add_AT_offset, add_ranges, output_ranges): New.
672 (print_die, output_die): Handle dw_val_class_offset.
673 (attr_checksum, size_of_die, value_format): Likewise.
674 (gen_lexical_block_die): Handle non-contiguous blocks.
675 (gen_block_die): Likewise.
676 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
677 if needed. Dump the ranges table.
678 * final.c (final_start_function): Remove unnecessary notes and
679 rebuild the block tree before numbering the blocks.
680 * function.c (reorder_blocks_0): Walk the existing block tree
681 to unmark all blocks.
682 (reorder_blocks_1): Create block fragments when duplicate block
684 (reorder_fix_fragments): New.
685 (reorder_blocks): Call it.
686 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
688 2001-07-28 Richard Henderson <rth@redhat.com>
690 * emit-rtl.c (adjust_address): Make a copy of the memory address.
692 2001-07-28 Richard Henderson <rth@redhat.com>
694 * flow.c (add_to_mem_set_list): New function.
695 (init_propagate_block_info): Use it.
696 (mark_set_1): Likewise.
697 (insn_dead_p): Canonicalize memory address for dead store
698 comparison. Allow wider mode stores to kill narrower mode stores.
699 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
700 (invalidate_mems_from_set): Don't handle MEMs.
702 2001-07-28 Kazu Hirata <kazu@hxi.com>
704 * config/h8300/h8300.h: Fix formatting.
706 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
708 * basic-block.h (EDGE_FREQUENCY): New macro.
709 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
711 * flow.c (find_sub_basic_blocks): Likewise.
712 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
713 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
715 * predict.c (DEF_PREDICTOR): New argument FLAGS.
716 (HITRATE): New macro.
717 (PRED_FLAG_FIRST_MATCH): New constant.
718 (predictor_info): New field flgags.
719 (combine_predictions_for_insn): Use DS theory to combine
720 probabilities; set the edge probabilities when finished.
721 (estimate_probability): Avoid duplicated matches
722 of LOOP_BRANCH heuristics for nested loops; update comment.
723 * predict.def: Add flags for each prediction, set probabilities
724 according to B&L paper.
725 * predict.h (DEF_PREDICTOR): New argument FLAGS.
727 * profile.c (compute_branch_probabilities): Cleanup way the edge
728 probabilities are computed and REG_BR_PROB notes are dropped; if
729 values does not match, emit error.
730 (init_branch_prob): Do error instead of warning when profile driven
731 feedback is missing or corrupt.
733 2001-07-27 DJ Delorie <dj@redhat.com>
735 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
736 against a constant, try to adjust the compare to have the desired
737 constant in it so that min/max optimizations happen more often.
739 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
741 * flow.c (last_loop_beg_note): New function.
742 (redirect_edge_and_branch): Use it.
743 (split_edge): Likewise.
745 * alias.c (loop_p): Avoid uninitialized memory access.
747 * flow.c (try_forward_edges): Avoid accessing freed memory.
749 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
752 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
754 * doc/install.texi (Configuration): Properly link the host
755 specific instructions also when generating HTML.
757 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
759 * flow.c (redirect_edge_and_branch_force): Test
760 target->global_live_at_start.
762 2001-07-26 Richard Henderson <rth@redhat.com>
764 * simplify-rtx.c (avoid_constant_pool_reference): Export.
765 * rtl.h (avoid_constant_pool_reference): Declare it.
766 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
767 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
769 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
771 * rtl.h (cleanup_barriers): Declare.
772 * jump.c (cleanup_barriers): New function.
773 * toplev.c (rest_of_compilation): Call cleanup_barriers
774 before loop optimizer and after bb_reorder.
776 * flow.c (back_edge_of_syntactic_loop_p): New.
777 (split_edge): Use it.
779 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
781 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
783 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
785 * cse.c (cse_process_notes): Replace any registers if the address
788 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
790 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
791 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
792 (propagate_block): Update prototype.
793 * flow.c (update_life_info): Simplify the CFG and
794 recalculate the global regs which are alive when
795 removing dead code during a global update.
796 (propagate_block): Return non-zero if an INSN is
799 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
801 * Makefile.in (LIBICONV): Define.
803 2001-07-26 Catherine Moore <clm@redhat.com>
805 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
806 of conditional to avoid tree checking errors.
808 2001-07-26 Kazu Hirata <kazu@hxi.com>
810 * regmove.c (regmove_optimize): Don't replace a reg with
811 another reg of a different mode.
813 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
815 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
816 limit length of dependancy flush list.
817 * params.h (MAX_PENDING_LIST_LENGTH): Define.
818 * sched-int.h (struct deps): Add pending_flush_length field.
819 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
821 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
822 (sched_analyze): After a jump, if the pending memory flush list is too
823 large, flush the pending lists.
824 (init_deps): Initialize pending_flush_length to 0.
825 * doc/invoke.texi (max_pending_list_length): Document parameter.
827 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
829 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
830 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
831 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
833 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
835 * cpphash.h (struct_lexer_state): Delete was_skipping.
836 Move skipping here from struct cpp_reader.
837 * cpplex.c (parse_identifier): Update.
838 (_cpp_lex_token): Don't skip tokens in a directive.
839 * cpplib.c (struct if_stack): Update.
840 (start_directive, end_directive): Don't change skipping state.
841 (_cpp_handle_directive): Update.
842 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
843 (do_else, do_endif): Update; only check for excess tokens if not
844 in a skipped conditional block.
845 (push_conditional): Update for new struct if_stack.
847 2001-07-26 Graham Stott <grahams@redhat.com>
849 * function.c (locate_and_pad_parm): Also pad initial offset
850 so that the total argument size also includes the padding.
852 2001-07-26 Graham Stott <grahams@redhat.com>
854 * gensupport.c (alter_output_for_insn): Correct enable checking failure
855 change XSTR to XTMPL.
857 (process_one_cond_exec): Likewise
859 2001-07-25 Richard Henderson <rth@redhat.com>
861 * varasm.c (assemble_variable): Create DECL_RTL before setting
864 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
866 * predict.c (estimate_probability): Avoid duplicated predictions.
868 * loop.c (find_and_verify_loops): Grok multiple barriers.
870 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
872 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
874 * dbxout.c: Consistently use putc instead of fputc.
875 (print_wide_int): New function; call instead of direct fprintf.
876 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
877 (dbxout_type_fields, dbxout_type_method_1): Likewise.
878 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
879 (print_int_cst_octal): Likewise.
880 (print_octal): Show we wrote characters.
881 (dbxout_type): Set have_used_extensions in more places.
883 2001-07-25 Catherine Moore <clm@redhat.com>
885 * config/v850/v850.c (v850_va_arg): Use addr
886 instead of valist to build incr.
888 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
890 * flow.c (delete_dead_jumptables): New function.
891 (life_analyzis): Call it.
892 * bb-reorder.c (skip_insns_after_block): Handle contradictory
895 2001-07-25 Richard Henderson <rth@redhat.com>
897 * except.c (reachable_handlers): Handle a region being removed
898 out from under a RESX.
900 2001-07-25 Richard Henderson <rth@redhat.com>
902 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
903 swap GE/GT if it is an fp comparison.
905 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
907 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
910 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
912 * ssa.c (rename_insn_1): Do not wrap an assignment to a
913 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
916 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
918 (visit_expression): When attempting to simplify an expression,
919 retrieve any modes for arguments before they are simplified
922 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
923 Janis Johnson <janis@us.ibm.com>
925 * stmt.c (expand_goto): A nonlocal goto can be a call too.
926 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
927 pointer parameters to match documented usage of nonlocal_goto.
928 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
929 parameters to their correct order.
930 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
931 parameters to their correct order.
933 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
935 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
937 2001-07-25 Jan Hubicka <jh@suse.cz>
938 Richard Henderson <rth@redhat.com>
940 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
942 (make_edges): New argument update_p; populate the edge cache if set.
943 (find_basic_blocks): Update make_edges invocation.
945 2001-07-24 Joel Sherrill <joel@OARcorp.com>
947 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
949 2001-07-24 Joel Sherrill <joel@OARcorp.com>
951 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
952 -Acpu and -Amachine.h.
953 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
954 Corrected header to say ELF not a.out.
955 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
956 when given -msoft-float.
958 2001-07-24 Joel Sherrill <joel@OARcorp.com>
960 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
961 extra multilib parts like arm-elf.
962 (i960-*-coff*, i960-*-rtems): Should not use collect2.
963 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
964 crtfini.o as extra multilib parts.
966 2001-07-24 Joel Sherrill <joel@OARcorp.com>
968 * configure.in: Add rtems as a supported thread model.
969 * gthr-rtems.h: Add missing entry point __gthread_active_p.
970 * configure: Rebuilt.
972 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
974 * stor-layout.c (get_mode_alignment): make it work when
975 BITS_PER_UNIT is not a power of two.
976 * builtins.c (get_pointer_alignment): Likewise.
978 2001-07-24 Richard Henderson <rth@redhat.com>
980 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
981 the retrieved constant into the expected mode.
983 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
985 * flow.c (try_simplify_condjump): Avoid duplicated edges.
986 (verify_flow_info): Check for duplicated edges; clarify
989 * flow.c (block_label): Update basic_block_for_insn.
990 (commit_edge_insertions): Call compute_bb_for_insn.
992 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
995 * flow.c (redirect_edge_and_branch,
996 try_optimize_cfg): Use redirect_edge_succ_nodup
997 (redirect_edge_succ_nodup): New.
998 * basic_block.h (redirect_edge_succ_nodup): Declare.
1000 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1003 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1005 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1006 (try_crossjump_to_edge): Update commetns.
1007 (try_crossjump_bb): Likewise.
1009 2001-07-24 Richard Henderson <rth@redhat.com>
1011 * combine.c (distribute_notes): Move set of need_refresh
1012 for noop_move_p down to catch all cases.
1014 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1016 * recog.c (split_all_insns_noflow): New.
1017 * rtl.h (split_all_insns_noflow): Declare.
1018 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1019 * m68hc11.c (m68hc11_reorg): Likewise.
1020 * sh.c (machine_dependent_reorg): Likewise.
1021 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1024 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1026 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1027 (ashlsi3_n splitter): Likewise.
1028 (lshrsi3_n splitter): Likewise.
1030 (GOTaddr2picreg): Make const SImode.
1031 (sym_label2reg): Likewise.
1032 (symGOT2reg): Likewise.
1033 (symGOTOFF2reg) Likewise.
1035 (casesi_worker_0): Make unspec SImode.
1037 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1039 * config/sh/sh.c (barrier_align): Check that an operand really is
1040 an insn before extracting its INSN_CODE.
1042 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1044 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1047 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1048 for SImode to prevent overflow.
1050 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1052 * config/mips/irix6-libc-compat.c: New file.
1053 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1054 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1057 2001-07-24 lars brinkhoff <lars@nocrew.org>
1059 * rtl.texi (REG_POINTER): Document.
1060 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1061 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1063 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1065 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1067 2001-07-23 Richard Henderson <rth@redhat.com>
1069 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1071 2001-07-23 Kazu Hirata <kazu@hxi.com>
1073 * config/h8300/h8300-protos.h: Add a prototype for
1074 general_operand_dst_push.
1075 * config/h8300/h8300.c (general_operand_dst_push): New.
1076 * config/h8300/h8300.h (OK_FOR_T): New.
1077 (EXTRA_CONSTRAINT): Use it.
1078 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1079 the existing movqi pattern.
1080 (movhi_push): Likewise.
1082 * reload.c: Fix comment typos.
1084 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1086 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1088 2001-07-23 H.J. Lu (hjl@gnu.org)
1090 * doc/extend.texi: Update __builtin_return_address and
1091 __builtin_frame_address.
1093 2001-07-23 Richard Henderson <rth@redhat.com>
1095 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1097 * config/i386/i386.md: New setcc+movzbl peephole2.
1099 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1101 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1102 * objc/objc-act.c: Include debug.h.
1103 (synth_module_prologue): Save and restore debug hooks too.
1105 2001-07-23 lars brinkhoff <lars@nocrew.org>
1107 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1108 and C4X_FLOAT_FORMAT.
1109 (BOOL_TYPE_SIZE): Document.
1111 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1113 * unroll.c (loop_iterations): Fix miscalculation of initial
1116 2001-07-13 Andrew Haley <aph@redhat.com>
1118 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1119 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1120 * config/sh/sh.c (sh_can_redirect_branch): New function.
1121 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1122 * reorg.c (steal_delay_list_from_target): Use
1123 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1125 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1127 * flow.c (try_simplify_condjump): Unlink insn chain on
1128 fallthru edge; use can_fallthru.
1130 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1132 * basic-block.h (find_sub_basic_block): Declare.
1133 * flow.c (make_edges): New arguments MIN and MAX;
1134 (find_sub_basic_blocks): Revamp to use make_edges
1135 and purge_dead_edges.
1136 (find_basic_blocks): Update call of find_sub_basic_block.
1138 * recog.c (split_all_insns): Always expect CFG to be consistent;
1139 call find_sub_basic_blocks in case something has changed.
1140 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1143 * basic-block.h (delete_noop_moves): Declare.
1144 * combine.c (combine_instructions): Call it.
1145 (recog_for_combine): Tolerate noop moves
1146 (distribute_notes): Force refresh when register dies at noop move.
1147 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1149 (life_analysis): Update delete_noop_moves call.
1150 (set_noop_p): Move too ...
1151 * rtlanal.c (noop_move_p): ... here.
1152 * rtl.h (noop_move_p): Declare.
1154 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1155 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1157 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1158 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1160 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1162 * reload.c (push_reload): Fix typo in comment.
1163 (find_reloads_address): Ditto.
1164 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1166 2001-07-22 Richard Henderson <rth@redhat.com>
1168 * flow.c: Grammar check and clarify a lot of comments.
1169 (try_simplify_condjump): Rename variables to be clearer.
1170 (try_forward_edges): Skip complex and fallthru edges.
1171 Rearrange tests to avoid duplicate checks.
1172 (flow_find_cross_jump): Likewise.
1173 (outgoing_edges_match): Allow match if neither branch has
1174 probability data. Loosen probability match to 5%.
1175 (try_crossjump_to_edge): Hoist repeated indirection into
1177 (try_crossjump_bb): Don't check complex edges. Eliminate
1178 redundant crossjump tests.
1179 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1180 checks before more expensive checks.
1182 2001-07-22 Richard Henderson <rth@redhat.com>
1184 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1185 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1188 2001-07-22 Richard Henderson <rth@redhat.com>
1190 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1191 (const_sint32_operand): Likewise.
1192 * m68k.md (anon mulsi pattern): Use const_int_operand not
1193 const_sint32_operand.
1194 (umulsi3_highpart): Zero extend a constant input.
1195 (smulsi3_highpart): Don't bother checking SImode constant.
1196 (const_umulsi3_highpart): Give op3 DImode.
1197 (const_smulsi3_highpart): Likewise.
1199 2001-07-22 Richard Henderson <rth@redhat.com>
1201 * flow.c (split_block): Make sure bb_note is included in the
1202 new block when splitting before a label.
1204 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1206 * basic-block.h (redirect_edge_and_branch_force,
1207 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1208 * flow.c (redirect_edge_and_branch_force,
1209 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1210 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1211 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1212 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1213 instead of label; update CFG after transformation.
1214 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1215 for finishing the transformation; handle even case where ELSE
1216 does not follow THEN.
1217 (find_if_case_2): Update call of dead_or_predictable; simplify
1220 * emit-rtl.c (split_branch_probability): New global variable.
1221 (try_split): Take care to set split_branch_probability and
1222 create REG_BR_PROB note for new jump insns.
1223 * md.texi (define_split): Document new feature.
1225 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1227 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1229 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1230 (asm_out_file): Remove redundant declaration.
1231 (assemble_asm): Remove old #if 0 block.
1232 (assemble_variable): Remove end of function; debug output is
1233 now handled with global_decl. Remove old #if 0 block. Update.
1234 Remove saved_in_section and associated no-op code.
1235 * Makefile.in (varasm.o): Correct dependencies.
1237 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1239 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1240 the definition in defaults.h.
1242 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1244 * jump.c: Update comments.
1245 (delete_barrier_successors, delete_unreferenced_labels,
1246 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1247 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1248 jump_optimize, jump_optimize_minimal): Kill.
1249 (rebuild_jump_labels): Move code from jump_optimize_1.
1250 (purge_line_number_notes): Likewise.
1251 (copy_loop_headers): Likewise.
1252 * reg-stack.c: Update comment.
1254 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1255 JUMP_AFTER_REGSCAN): Kill.
1256 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1257 purge_line_number_notes and copy_loop_headers.
1259 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1260 Richard Henderson <rth@redhat.com>
1262 * dbxout.c (dbxout_global_decl): New.
1263 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1264 * sdbout.c (sdbout_finish): New.
1265 (sdbout_debug_hooks): Use it, add comments.
1266 (sdbout_global_decl): Defer initialised public vars to
1268 * varasm.c (assemble_variable): Don't output debug information
1269 for file-scope variables.
1271 2001-07-22 Richard Henderson <rth@redhat.com>
1273 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1274 (get_round_mode_suffix): New.
1275 (print_operand): Use them for [/]. Remove support for [&'`()+].
1276 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1277 * config/alpha/alpha.md (attr round_suffix): New.
1278 (attr trap_suffix): New.
1279 (all insns): Set them appropriately. Use %/ instead of the
1282 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1284 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1286 2001-07-22 Richard Henderson <rth@redhat.com>
1288 * regrename.c (regrename_optimize): Compute nregs for each
1289 potential target register.
1291 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1292 Richard Henderson <rth@redhat.com>
1294 * dbxout.c (dbxout_global_decl): New.
1295 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1296 * sdbout.c (sdbout_finish): New.
1297 (sdbout_debug_hooks): Use it, add comments.
1298 (sdbout_global_decl): Defer initialised public vars to
1300 * varasm.c (assemble_variable): Don't output debug information
1301 for file-scope variables.
1303 2001-07-21 H.J. Lu (hjl@gnu.org)
1305 * config/mips/mips.c (mips_cpu): Moved into ...
1306 (override_options): Here.
1308 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1310 (mips_cpu): Removed.
1312 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1314 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1315 ("iorqi3"): Likewise.
1316 ("xorqi3"): Likewise.
1317 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1318 ("*subhi3_sp): Likewise.
1319 ("*subhi3"): Likewise.
1320 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1323 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1325 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1326 * config/freebsd.h: Likewise.
1327 * config/linux.h: Likewise.
1328 * config/openbsd.h: Likewise.
1329 * config/alpha/linux-elf.h: Likewise.
1330 * config/arm/linux-elf.h: Likewise.
1331 * config/d30v/d30v.h: Likewise.
1332 * config/fr30/fr30.h: Likewise.
1333 * config/ia64/aix.h: Likewise.
1334 * config/ia64/ia64.h: Likewise.
1335 * config/mips/linux.h: Likewise.
1336 * config/pj/pj.h: Likewise.
1337 * config/rs6000/linux.h: Likewise.
1338 * config/sparc/linux.h: Likewise.
1339 * config/sparc/linux64.h: Likewise.
1341 2001-07-20 Bruce Korb <bkorb@gnu.org>
1343 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1344 because getc() and char* may disagree on signedness.
1346 2001-07-20 Richard Henderson <rth@redhat.com>
1348 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1350 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1351 insns to delete in the presence of cc0 in a jump insn.
1353 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1354 Jan Hubicka <jh@suse.cz>
1356 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1357 of doing the change by hand.
1359 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1361 * rtlanal.c (set_noop_p): Return true for noop jumps.
1363 * expr.c (emit_single_push_insn): Add call to push expander.
1364 * expr.h (optab_index): Add OTI_push
1365 (push_optab): New constant.
1366 * genopinit.c (optabs): Add push_optab.
1367 * optabs.c (init_optab): Init push optab.
1368 * md.texi (push??1): Document
1370 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1372 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1373 expand to emit the pattern; put a REG_INC note for push/pop
1375 ("movdf", "movdf_internal"): Likewise.
1376 ("movsi", "movsi_internal"): Likewise.
1377 ("movsf", "movsf_internal"): Likewise.
1378 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1380 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1382 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1385 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1387 * params.def: Change default max inline insns to 100.
1389 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1391 * combine.c (combine_simplify_rtx): Generate a new shift operation
1392 when simplifying the first operand of a (neg (ashift)) expression.
1394 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1396 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1398 2001-07-20 Kelley Cook <kelley.cook@home.com>
1400 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1401 information. Move rest into ...
1402 (*-*-solaris): ... here. Eliminate redundant information and
1403 reword necessary packages section. Delete 4.x assembler bug info.
1404 (sparc-sun-*): Merge into ...
1405 (sparc-sun-sunos*): here.
1407 2001-07-20 Catherine Moore <clm@redhat.com>
1409 * config/v850/v850.md (casesi): Generate LABEL_REF
1412 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1414 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1415 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1416 * i386.md (strclrsi expander): Use it.
1418 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1420 * integrate.c (copy_insn_list): handle
1421 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1422 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1423 identically as to CODE_LABEL.
1425 * fold-const (fold): Convert A/B/C to A/(B*C) and
1428 * except.c (connect_post_landing_pads): Delete the RESX insns.
1430 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1432 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1434 * config/mips/mips.md (nmadd/nmsub): Use macro.
1436 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1438 * cppinit.c (remove_dup_dir): Make static.
1439 (remove_dup_dirs): Make static. Only warn about preempting a
1440 system directory with a non-system directory.
1442 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1444 * ifcvt.c (noce_try_store_flag_constants): Correct order
1445 of parameters to trunc_int_for_mode.
1447 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1449 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1450 an exception that will be caught within this function, do not fill
1451 its delay slot with any subsequent instruction.
1453 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1455 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1456 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1457 pointer extension instruction.
1458 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1459 * simplify-rtx.c (simplify_unary_operation) Likewise.
1460 * explow.c (convert_memory_address) Check value of
1461 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1463 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1464 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1465 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1466 Add Multilib Support.
1467 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1468 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1469 Add Multilib Support.
1470 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1472 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1473 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1474 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1476 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1478 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1479 old and new operands in `<', `3' and `b'.
1481 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1483 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1484 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1485 (toplev.o): Don't depend on xcoffout.h.
1486 * c-decl.c: Include debug.h
1487 (duplicate_decls): Use debug hook.
1488 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1489 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1490 (dbxout_types): Remove.
1491 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1492 * debug.c (do_nothing_debug_hooks): Update.
1493 (debug_true_tree, debug_nothing_rtx): New.
1494 * debug.h (struct rtx_def): New.
1495 (struct gcc_debug_hooks): New hooks ignore_block,
1496 outlining_inline_function and label.
1497 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1498 dwarf2out_frame_finish): New.
1499 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1500 Make static, update prototype.
1501 (dwarf2_debug_hooks): Update.
1502 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1503 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1504 * dwarfout.c (dwarf_debug_hooks): Update.
1505 * emit-rtl.c: Include debug.h.
1506 (remove_unnecessary_notes): Use debug hook.
1507 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1508 (final_scan_insn): Use debug hook.
1509 * integrate.c (output_inline_function): Use debug hook.
1510 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1511 (sdb_debug_hooks): Update.
1512 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1513 * toplev.c: Don't include xcoffout.h.
1514 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1515 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1517 * tree.h (dwarf2out_do_frame): Remove.
1519 2001-07-19 Catherine Moore <clm@cygnus.com>
1521 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1523 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1525 * reload1.c (eliminate_regs_in_insn): When updating a set
1526 to the frame pointer to the hardware frame pointer, perform
1527 the update always not just when REPLACE is set.
1529 * reload1.c (choose_reload_regs): Don't inherit a reload
1530 that crosses multiple registers if registers past the first
1531 don't fit in the desired class.
1533 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1534 when negating constants.
1536 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1538 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1539 * doc/tree.texi: Ditto.
1541 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1542 Jakub Jelinek <jakub@redhat.com>
1544 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1545 (extract_cie_info): Handle "eh" augmentation properly,
1547 (struct frame_state, __frame_state_for): New.
1549 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1551 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1552 HANDLE_SYSV_PRAGMA): Define.
1553 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1555 (copy_object): Caller changed.
1557 2001-07-19 Andreas Schwab <schwab@suse.de>
1559 * configure.in (assembler dwarf2 debug_line support): Define nop
1561 * configure: Regenerated.
1563 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1565 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1567 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1568 to conditionally compiled block.
1569 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1570 * dbxout.h (dbxout_function): Remove.
1571 * debug.c (do_nothing_debug_hooks): Update.
1572 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1573 global_decl, deferred_inline_function.
1574 * dwarf2out.c (dwarf2_debug_hooks): Update.
1575 (dwarf2out_global_decl): New.
1576 * dwarfout.c: Don't include dwarfout.h.
1577 (dwarfout_global_decl, dwarfout_function_decl,
1578 dwarfout_deferred_inline_function): New.
1579 (dwarf_debug_hooks): Update.
1580 * dwarfout.h: Remove.
1581 * final.c: Don't include dwarfout.h.
1582 * sdbout.c (sdbout_global_decl): New.
1583 (sdbout_debug_hooks): Update.
1584 * toplev.c: Don't include dwarfout.h.
1585 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1586 (note_deferral_of_defined_inline_function): Remove.
1587 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1588 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1589 * ch/lex.c: Don't include dwarfout.h.
1590 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1591 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1592 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1593 * cp/optimize.c: Include debug.h.
1594 (maybe_clone_body): Use debug hook.
1595 * cp/semantics.c: Include debug.h.
1596 (expand_body): Use debug hook.
1597 * po/POTFILES.in: Remove dwarfout.h.
1599 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1601 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1602 * c-parse.in (yyerror, _yylex): Similarly.
1603 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1604 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1606 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1607 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1609 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1611 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1612 in-class declaration at -g1. Fixes c++/2814.
1614 2001-07-18 Richard Henderson <rth@redhat.com>
1616 * doc/md.texi (reload_in/out): Document restrictions in predicates
1617 and constraints for these patterns. Document empty string matching
1620 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1622 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1624 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1626 * cse.c: Undo my previous patch.
1628 2001-07-18 Tom Tromey <tromey@redhat.com>
1631 * configure: Rebuilt.
1632 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1634 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1636 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1637 Jan Hubicka <jh@suse.cz>
1639 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1640 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1641 * jump.c (mark_jump_label): Do not forward branches.
1643 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1645 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1646 when return value is unused.
1648 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1650 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1652 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1654 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1655 on error. We can't blindly return the result of
1656 pthread_mutex_trylock because it returns a positive number on
1657 error, while we must return -1 on error.
1658 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1660 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1662 2001-07-18 Andreas Jaeger <aj@suse.de>
1664 * integrate.c (output_inline_function): Correct type of debug_hooks.
1666 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1668 * combine.c (combine_simplify_rtx): DIV can be treated
1669 associatively for floats if unsafe math optimisations are enabled.
1671 2001-07-17 Richard Henderson <rth@redhat.com>
1673 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1675 2001-07-17 Richard Henderson <rth@redhat.com>
1677 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1678 don't force the function address into a register.
1679 (expand_call, emit_library_call_value_1): Update callers.
1680 * builtins.c (expand_builtin_apply): Likewise.
1681 * expr.h (prepare_call_address): Update decl.
1683 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1685 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1687 * config/i386/chorus.h: Move up.
1688 * config/sparc/chorus.h: Likewise.
1689 * config/rs6000/chorus.h: Likewise.
1690 * config/chorus.h: Moved here.
1692 2001-07-17 Andreas Schwab <schwab@suse.de>
1694 * configure.in (assembler eh_frame optimization): Handle big
1696 * configure: Regenerated.
1698 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1700 * expr.c (epxand_expr): Convert divisions into multiplications by
1701 reciprocals if -ffast-math.
1703 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1705 * dbxout.c (dbxout_really_begin_function): Rename to
1706 dbxout_begin_function.
1707 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1708 (dbxout_begin_function): Remove.
1709 (dbxout_function): Update.
1710 (dbxout_source_line): Update prototype.
1711 * dbxout.h (dbxout_begin_function): Remove.
1712 * debug.c (do_nothing_debug_hooks): Update.
1713 (debug_nothing_tree): Update.
1714 (debug_nothing_charstar_rtx): Remove.
1715 * debug.h (union tree_node): Declare.
1716 (struct rtx_def): Remove.
1717 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1718 begin_function. Change source_line prototype.
1719 (debug_nothing_tree): New.
1720 (debug_nothing_charstar_rtx): Delete.
1721 (dwarf2out_begin_prologue): Moved from ...
1723 * dwarf2out.c (dwarf2_debug_hooks): Update.
1724 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1725 debug info, call dwarf2out_source_line.
1726 (dwarf2out_souce_line): Update prototype.
1727 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1728 Change prototype, make static.
1729 (dwarfout_source_line): Update prototype.
1730 (dwarf_debug_hooks): Update.
1731 * dwarfout.h (dwarfout_begin_function): Remove.
1732 * final.c (final_start_function, final_scan_insn): Use appropriate
1733 debug hooks, update to use notice_source_line.
1734 (output_source_line): Rename notice_source_line. Don't call the
1735 source_line debug hook.
1736 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1737 make static, update prototype.
1738 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1740 (sdbout_end_prologue): New.
1741 (sdbout_source_line): Update prototype.
1742 (sdbout_debug_hooks): Update.
1743 (sdbout_symbol): Remove unused var.
1744 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1746 * varasm.c: Include debug.h.
1747 (assemble_start_function): Use begin_function debug_hook.
1748 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1749 update with prototype.
1750 (xcoffout_source_line): Update prototype.
1751 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1753 (xcoffout_source_line): Update prototype.
1755 2001-07-17 Richard Henderson <rth@redhat.com>
1757 * c-typeck.c (build_binary_op): Do not shorten unsigned
1758 right shift after sign extension.
1760 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1762 * combine.c (combine_simplify_rtx): Attempt to simplify
1763 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1765 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1766 (simplify_binary_operation, simplify_unary_operation,
1767 simplify_relational_operation): Use it.
1769 * combine.c (combine_simplify_rtx): Don't do associative law
1770 on divisions; allow associative law on floats.
1772 2001-07-17 H.J. Lu <hjl@gnu.org>
1773 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1775 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1776 ASM_OUTPUT_WEAK_ALIAS are defined.
1777 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1778 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1780 * config/mips/iris5.h: ... here.
1781 (HANDLE_SYSV_PRAGMA): Defined as 1.
1782 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1783 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1786 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1788 * c-parse.in (all_prefix_attributes): New variable.
1789 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1790 (maybe_resetattrs): New production.
1791 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1792 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1793 notype_initdcl, nested_function, notype_nested_function,
1794 component_decl, components, components_notype,
1795 component_declarator, component_notype_declarator,
1796 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1797 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1798 after a comma being applied to more than one declarator.
1799 * doc/extend.texi (Attribute Syntax): Update. Remove
1800 documentation of bugs that are no longer present.
1802 2001-07-13 Eric Christopher <echristo@redhat.com>
1804 * config/mips/mips.h: Change TUNE_MIPS* options to use
1806 (EXTRA_SPECS): Add cc1_cpu_spec.
1807 * config/mips/mips.md (muldf3): Fix typo.
1809 2001-07-16 Richard Henderson <rth@redhat.com>
1811 * config/m68k/m68k.c: Include expr.h and reload.h.
1812 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1813 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1815 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1816 Richard Henderson <rth@redhat.com>
1818 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1819 (insn_live_p): Fix fall off end of function.
1820 (dead_libcall_p): Remove COUNTS argument; update callers.
1821 (delete_trivially_dead_insns): Remove unused variables.
1823 2001-07-17 Andreas Jaeger <aj@suse.de>
1825 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1828 * lcm.c (optimize_mode_switching): Avoid warning for unused
1829 variable if !NORMAL_MODE.
1831 * flow.c (try_crossjump_to_edge): Remove unused variable.
1833 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1835 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1836 atexit declaration in stdlib.h.
1838 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1840 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1842 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1844 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1845 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1846 do rebuild_jump_labels instead of jump_optimize
1847 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1848 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1849 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1851 * flow.c: Include timevar.h
1852 (find_basic_block): Push/pop timevar;
1853 (cleanup_cfg): Likewise.
1854 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1855 * Makefile: Add dependencies on timevar.h
1857 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1858 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1860 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1861 * toplev.c (rest_of_compilation): Update calls.
1862 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1863 (delete_trivially_dead_insns): ... here; accept new argument
1864 preserve_basic_blocks; preserve basic blocks if set.
1866 * reg-stack.c (stack_regs_mentioned): Return 0 if
1867 stack_regs_mentioned_data is not initialized.
1868 (reg_to_stack): Make stack_regs_mentioned survive after the
1869 reg-stack is completted; do not call cleanup_cfg.
1870 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1871 make cleanup_cfg after bb-reorder to output to debug file.
1873 2001-07-16 Richard Henderson <rth@redhat.com>
1875 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1876 from int_reg_class_contents.
1878 2001-07-16 Richard Henderson <rth@redhat.com>
1880 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1881 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1882 (init_reg_sets_1): Move initialization from cse_main.
1883 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1884 (cse_main): Move its initialization also.
1885 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1886 * flow.c (propagate_one_insn): Likewise.
1887 * gcse.c (compute_hash_table): Likewise.
1888 (compute_kill_rd, compute_store_table): Likewise.
1889 * sched-deps.c (sched_analyze_1): Likewise.
1891 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1893 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1896 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1898 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1899 in if statement so we don't access undefined memory.
1901 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1903 * gcse.c: Update comment at top.
1904 Update comment on mem handling.
1905 mem_last_set, mem_first_set, mem_set_in_block: gone.
1906 Declaration of reg_set_info: gone.
1907 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1908 pointless with load_killed_in_block_p (they are *more*
1909 conservative then it, not less, and less accurate).
1910 (oprs_not_set_p): Ditto.
1911 (alloc_gcse_mem): Don't allocate mem_set_in_block
1912 (free_gcse_mem): Don't free it, either.
1913 (record_last_mem_set_info): Update comment in front, remove
1914 mem_*set_* stuff. Note the reason we don't handle stores directly
1916 (compute_hash_table): Update comments to reflect reality. Remove
1917 mem_*set_* references.
1918 (reset_opr_set_tables): Remove mem_*set_* references.
1920 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1921 (mark_clobber): Ditto (on both parts, we double set here too).
1922 (expr_killed_p): Remove mem_set_in_block test.
1923 (compute_transp): Remove mem_set_in_block test.
1925 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1926 of edge, and removal of phi alternative to dump file.
1927 (ssa_ccp_substitute_constants): Add note about register now being
1928 constant, and which uses were replaced in what insns to dump file.
1930 2001-07-16 Andreas Jaeger <aj@suse.de>
1932 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1933 variables of type HOST_WIDEST_INT.
1935 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1936 (__bb_exit_func): Correct type of count_max to avoid overflow.
1937 (num_digits): Handle long long argument.
1939 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1941 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1943 * output.h (sdb_begin_function_line): Restore as an extern
1945 * sdbout.c (sdb_begin_function_line): Make extern.
1947 2001-07-15 Richard Henderson <rth@redhat.com>
1949 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1950 * genrecog.c (maybe_both_true_mode): New.
1951 (maybe_both_true_2): Use it.
1952 (write_switch): Don't put Pmode in a switch.
1953 * rtl.c (mode arrays): Don't explicitly size them.
1955 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1957 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1958 handling; move unconditional splitting before mode switching.
1960 * i386.md (type): Add fistp type.
1961 (i387, length_attr, scheduling definitions): Handle this type.
1962 (fix_trunc?f?i2): Revamp to use mode switching.
1963 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1964 * i386.h (fp_cw_mode): New enum
1965 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1966 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1968 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1970 * Makefile.in (integrate.o): Add debug.h.
1971 * integrate.c (debug.h): Add.
1972 (output_inline_function): Save, reset, and restore debug_hooks.
1974 2001-07-15 Richard Henderson <rth@redhat.com>
1976 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1977 instead of COMPARE for the EQUIV expression.
1979 2001-07-15 Richard Henderson <rth@redhat.com>
1981 * flow.c (redirect_edge_and_branch_force): Initialize
1982 global_live_at_start and global_live_at_end.
1983 (allocate_bb_life_data): Export.
1984 * basic-block.h (allocate_bb_life_data): Declare.
1985 * toplev.c (rest_of_compilation): Call it.
1987 2001-07-15 Richard Henderson <rth@redhat.com>
1989 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1990 (alpha_tablejump_best_label): New.
1991 * config/alpha/alpha-protos.h: Declare them.
1992 * config/alpha/alpha.md: Use braced strings for code blocks.
1993 (tablejump_osf): Break out add with r29.
1994 (tablejump_osf_internal): Remove.
1995 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1996 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1998 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2000 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2003 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2005 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2006 (ix86_fp_jump_nontrivial_p): New.
2007 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2008 use ix86_fp_jump_nontrivial_p.
2009 * i386.c (ix86_fp_jump_nontrivial_p): New.
2010 (ix86_split_fp_branch): Accept code instead of rtx.
2011 (ix86_expand_compare): Expand comparison early in case
2012 doing so is resonably cheap.
2014 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2016 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2018 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2019 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2021 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2023 * dbxout.c (dbxout_source_line): Make static, update prototype.
2024 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2025 (dbxout_init, dbxout_finish, dbxout_source_line,
2026 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2027 * dbxout.h (dbxout_source_line): Delete.
2028 * debug.c (debug_nothing_file, debug_nothing_file_int,
2029 debug_nothing_file_charstar_rtx): New.
2030 (do_nothing_debug_hooks): Update.
2031 (debug_nothing_void, debug_nothing_charstar_rtx,
2032 dwarf2out_end_epilogue): New.
2033 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2034 * debug.h (struct rtx_def): Declare.
2035 (gcc_debug_hooks): New hooks source_line, end_epilogue
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 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2041 (dwarf2_debug_hooks): Update.
2042 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2043 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2044 * dwarf2out.h (dwarf2out_source_line): Remove.
2045 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2046 Make static, update prototype.
2047 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2048 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2049 (dwarf_debug_hooks): Update.
2050 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2051 dwarfout_end_function): Remove.
2052 * final.c (profile_function): Use debug hooks for ending functions
2054 (output_source_line, final_end_function): Update prototype,
2056 (final_start_function, final_scan_insn): Update.
2057 * output.h (sdb_begin_function_line): Remove.
2058 (final_end_function): Update prototype.
2059 * sdbout.c (sdb_begin_function_line): Make static.
2060 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2061 (sdbout_source_line): New.
2062 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2064 (sdb_debug_hooks): Update.
2065 (sdbout_init, sdbout_source_line,
2066 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2067 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2068 * toplev.c (compile_file, rest_of_compilation): Update.
2069 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2070 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2071 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2072 Update for prototype changes.
2073 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2074 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2076 2001-07-15 Richard Henderson <rth@redhat.com>
2078 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2079 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2080 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2081 * config/alpha/alpha.c: Likewise.
2082 * config/alpha/alpha.md: Likewise.
2083 * config/alpha/alpha32.h: Likewise.
2084 * config/alpha/vms.h: Likewise.
2087 2001-07-14 Richard Henderson <rth@redhat.com>
2089 * config/alpha/alpha.md: Use define_constants for unspec values.
2090 Substitute throughout.
2092 2001-07-14 Tim Josling <tej@melbpc.org.au>
2094 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2096 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2098 * pa.md: Remove unused constraints from define_split's.
2100 2001-04-14 Richard Henderson <rth@redhat.com>
2102 * ifcvt.c (find_cond_trap): Test for exit block.
2104 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2106 Re-install recently reverted patch.
2107 * emit-rtl.c (try_split): Update mark_jump_label call.
2108 * flow.c (find_sub_basic_blocks): Likewise.
2109 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2111 (mark_all_labels): Kill second parameter.
2112 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2113 (rebuild_jump_labels, jump_optimize_minimal): Update call
2115 (jump_optimize_1): Kill crossjumping code.
2116 (mark_jump_label): Kill cross_jump parameter.
2117 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2118 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2119 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2121 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2123 (dump_file_info): Likewise.
2124 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2125 reorganize passes to do reg-stack first, bb-reorder second.
2126 * invoke.texi (-d letters doc): Remove the jump2 pass.
2128 2001-07-14 Richard Henderson <rth@redhat.com>
2130 * ifcvt.c (find_cond_trap): New.
2131 (find_if_header): Call it.
2132 (merge_if_block): Relax existing jump sanity check.
2133 * jump.c (jump_optimize_1): Remove conditional trap handling.
2135 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2137 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2139 (insn_refs_are_delayed): Correct comment.
2140 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2141 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2142 instead of r31. Make associated insn !TARGET_64BIT, and
2143 provide an additional 64-bit insn that clobbers r2.
2145 (udivsi3): Likewise.
2147 (umodsi3): Likewise.
2149 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2151 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2153 * flow.c (redirect_edge_and_branch_force, split_edge,
2154 try_crossjump_to_edge): Use set_block_for_new_insns.
2155 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2157 2001-07-13 H.J. Lu (hjl@gnu.org)
2159 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2162 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2164 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2166 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2168 * c-common.c (decl_attributes): Take a pointer to the node to
2169 which attributes are to be attached, and a flags argument.
2170 * c-common.h (enum attribute_flags): New.
2171 (decl_attributes): Update prototype.
2172 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2173 finish_enum, start_function): Update calls to decl_attributes.
2174 * c-parse.in (component_declarator, component_notype_declarator,
2175 label): Update calls to decl_attributes.
2177 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2179 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2180 * config/avr/avr.c (legitimate_address_p): Return value changed
2181 from letter to register classes. For better debugging.
2183 2001-07-13 Kazu Hirata <kazu@hxi.com>
2185 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2187 2001-07-13 H.J. Lu (hjl@gnu.org)
2189 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2191 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2193 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2194 correctly for shared configurations.
2195 * config/t-libgcc-pic: New.
2196 * config/{i386,m68k,sparc}/t-openbsd: New.
2197 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2198 Support -shared. Support debugging libraries with -g.
2199 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2200 frame information does not emit pointer diffs.
2201 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2204 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2206 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2208 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2210 * combine.c (try_combine): Ensure const_int pow2 is positive.
2212 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2214 * config.gcc: Add configuration for s/390.
2215 * config/s390/s390.c: New. Subroutines for code generation.
2216 * config/s390/s390.h: New. Definitions for s/390.
2217 * config/s390/s390-protos.h: New. Prototypes.
2218 * config/s390/linux.h: New. Definitions for linux for s/390.
2219 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2220 * config/s390/t-linux: New. Makefile fragment.
2221 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2222 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2224 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2226 * emit-rtl.c (try_split): Update mark_jump_label call.
2227 * flow.c (find_sub_basic_blocks): Likewise.
2228 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2230 (mark_all_labels): Kill second parameter.
2231 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2232 (rebuild_jump_labels, jump_optimize_minimal): Update call
2234 (jump_optimize_1): Kill crossjumping code.
2235 (mark_jump_label): Kill cross_jump parameter.
2236 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2237 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2238 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2240 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2242 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2243 reorganize passes to do reg-stack first, bb-reorder second.
2244 * invoke.texi (-d letters doc): Remove the jump2 pass.
2246 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2248 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2250 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2252 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2254 (verify_flow_info): Make diagnostics prettier.
2256 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2258 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2260 * flow.c (outgoing_edges_match): Return early if condition reversal
2263 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2265 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2266 (mips_move_2words): When splitting a move into two instructions,
2267 prefix the second address operand with '%D'.
2269 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2271 * Makefile.in (final.o): Depend on debug.h.
2272 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2273 (dbx_debug_hooks): Add new hooks.
2274 (xcoff_debug_hooks): New.
2275 * debug.c (debug_nothing_file_int_int): New.
2276 (do_nothing_debug_hooks): Update.
2277 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2278 (debug_nothing_file_int_int): New.
2279 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2280 static, update prototype.
2281 (dwarf2_debug_hooks): Update.
2282 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2283 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2284 static, update prototype.
2285 (dwarf_debug_hooks): Update.
2286 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2287 * final.c: Include debug.h.
2288 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2289 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2290 static, update prototype.
2291 (sdb_debug_hooks): Update.
2292 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2293 * toplev.c: Distinguish between xcoff and dbx.
2295 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2296 Call all debug hooks, not just dwarf ones.
2298 2001-07-11 Timothy Wall <twall@redhat.com>
2300 * config.gcc: Add configuration for AIX5/IA64.
2301 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2302 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2303 support prefix/suffix code.
2304 * config/ia64/t-aix: New. Makefile fragment.
2305 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2307 2001-07-11 Kazu Hirata <kazu@hxi.com>
2309 * recog.c (validate_change): Fix a comment typo.
2311 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2313 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2314 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2316 * dbxout.c (dbx_debug_hooks): Add new hooks.
2317 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2319 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2321 * dbxout.h (dbxout_start_new_source_file,
2322 dbxout_resume_previous_source_file): Delete.
2323 * debug.c (do_nothing_debug_hooks): Add new hooks.
2324 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2325 (debug_nothing_int_charstar, debug_nothing_int): New.
2326 * debug.h (gcc_debug_hooks): New hooks define, undef,
2327 start_source_file and end_source_file.
2328 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2329 (debug_nothing_int_charstar, debug_nothing_int): New.
2330 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2331 the conditionally compiled section.
2332 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2333 dwarf2out_define, dwarf2out_undef): Make static.
2334 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2335 dwarf2out_define, dwarf2out_undef): Remove.
2336 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2337 (dwarfout_start_source_file, dwarfout_end_source_file,
2338 dwarfout_define, dwarfout_undef): Make static.
2339 (dwarfout_start_source_file_check,
2340 dwarfout_end_source_file_check): New.
2341 (dwarfout_define, dwarfout_finish): Update.
2342 * dwarfout.h (dwarfout_start_new_source_file,
2343 dwarfout_resume_previous_source_file, dwarfout_define,
2344 dwarfout_undef): Remove.
2345 * sdbout.c (sdb_debug_hooks): Add new hooks.
2346 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2348 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2349 make static, take an arg.
2350 * sdbout.h (sdbout_start_new_source_file,
2351 sdbout_resume_previous_source_file): Delete.
2352 * toplev.c (debug_start_source_file, debug_end_source_file,
2353 debug_define, debug_undef): Delete.
2354 * toplev.h (debug_start_source_file, debug_end_source_file,
2355 debug_define, debug_undef): Delete.
2357 * java/jcf-parse.c: Include debug.h.
2358 (parse_class_file): Update to use debug hooks directly.
2359 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2361 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2363 * alias.c (set_mem_alias_set): New function.
2364 * rtl.h (set_mem_alias_set): Declare it.
2365 * builtins.c (expand_builtin_return_addr): Call it instead of
2366 using MEM_ALIAS_SET accessor.
2367 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2368 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2369 (expand_builtin_va_copy):Likewise.
2370 * caller-save.c (setup_save_areas): Likewise.
2371 * calls.c (compute_argument_addresses): Likewise.
2372 * explow.c (set_mem_attributes): Likewise.
2373 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2374 (expand_assignment, store_constructor_field, store_field): Likewise.
2375 (expand_expr_unaligned): Likewise.
2376 * function.c (assign_stack_temp_for_type): Likewise.
2377 (put_reg_into_stack, gen_mem_addressof): Likewise.
2378 * ifcvt.c (noce_try_cmove_arith): Likewise.
2379 * reload1.c (reload, alter_reg): Likewise.
2380 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2381 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2382 (alpha_expand_unaligned_store): Likewise
2383 (alpha_expand_unaligned_load_words): Likewise.
2384 (alpha_expand_unaligned_store_words): Likewise.
2385 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2386 (alpha_expand_epilogue): Likewise.
2387 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2388 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2389 * config/i386/i386.c (legitimize_pic_address): Likewise.
2390 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2391 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2392 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2393 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2394 * config/mips/mips.c (mips_va_arg): Likewise.
2395 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2396 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2397 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2398 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2399 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2400 (rs6000_emit_epilogue): Likewise.
2401 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2402 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2403 * config/v850/v850.c (v850_va_arg): Likewise.
2405 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2407 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2408 when fallthru edge is present.
2409 (mege_blocks): Handle case where creation of jump insn
2412 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2413 CLEANUP_POST_REGSTACK): New constants.
2414 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2415 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2416 * output.h (cleanup_cfg): Update prototype.
2417 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2418 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2419 cleanup_cfg call; kill missleading comment.
2420 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2421 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2422 parameter; control optimizations performed using it.
2423 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2424 try_crossjump_bb): New functions.
2426 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2428 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2430 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2431 pa_output_function_prologue.
2432 * pa-protos.h (pa_output_function_prologue): New prototype.
2434 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2436 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2437 and low to get correct sign extension in low+high test.
2439 2001-07-11 Janis Johnson <janis@us.ibm.com>
2441 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2442 for large hit count.
2444 * profile.c (branch_prob): Fix .bbg info for computed gotos
2447 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2449 * stmt.c (parse_output_constraint): New function, split out
2451 (expand_asm_operands): ... here. Use parse_output_constraint.
2452 * tree.h (parse_output_constraint): Declare it.
2454 2001-07-11 Richard Henderson <rth@redhat.com>
2456 * bitmap.c: Comment some functions; fiddle whitespace.
2457 (bitmap_free): Don't export.
2458 (bitmap_element_allocate): Use memset.
2459 * bitmap.h (bitmap_free): Don't declare.
2461 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2463 * gcse.c, lcm.c, sched-deps.c:
2464 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2466 * flow.c (flow_loops_find): Free dom if we found no loops, since
2467 we aren't going to save it.
2469 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2472 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2474 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2476 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2478 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2479 #ifndef DWARF2_DEBUGGING_INFO.
2481 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2483 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2485 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2487 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2488 reverse a branch if a NE comparison is implemented with GTU.
2490 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2491 H.J. Lu <hjl@gnu.org>
2493 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2495 (call_internal2): Likewise.
2496 (call_value_internal1): Likewise.
2497 (call_value_internal2): Likewise.
2498 (call_value_multiple_internal1): Likewise.
2499 (call_value_multiple_internal2): Likewise.
2501 2001-07-10 Kazu Hirata <kazu@hxi.com>
2503 * calls.c (emit_library_call_value_1): Fix a comment typo.
2504 * dwarf2out.c (mem_loc_descriptor): Likewise.
2505 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2507 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2509 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2511 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2513 * recog.c (offsettable_address_p): Handle LO_SUM case.
2514 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2515 instead of plus_constant.
2517 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2519 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2520 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2522 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2524 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2525 adjust_address_nv instead of plus_constant.
2527 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2529 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2530 dwarf2out.o): Depend on debug.h, wrap long lines.
2531 * dbxout.c: Include debug.h.
2532 (dbx_debug_hooks): New.
2533 (dbxout_init): Make static, take just 2 args.
2534 (dbxout_finish): Make static.
2535 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2536 * debug.c: New file.
2537 * debug.h: New file.
2538 * dwarf2out.c: Include debug.h.
2539 (dwarf2_debug_hooks): New.
2540 (dwarf2out_init): Make static.
2541 (dwarf2out_finish): Make static, take 2 args.
2542 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2543 * dwarfout.c: Include debug.h.
2544 (dwarf_debug_hooks): New.
2545 (dwarfout_init): Make static.
2546 (dwarfout_finish): Make static, take 2 args.
2547 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2548 * sdbout.c: Include debug.h.
2549 (sdb_debug_hooks): New.
2550 (sdbout_init): Make static, take 2 args.
2551 * sdbout.h (sdbout_init): Delete.
2552 * toplev.c: Include debug.h.
2554 (compile_file): Set deubg_hooks based on command line options.
2555 Use the hooks unconditionally rather than conditional compilation.
2557 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2559 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2560 first_insn_after_basic_block_note instead.
2562 * df.c (df_bb_refs_unlink): #if 0 out for now.
2564 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2566 * ssa.h: Add prototype for ssa_const_prop
2567 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2568 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2569 (ssa_fast_dce): Remove unused variable
2571 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2573 * diagnostic.c (finish_diagnostic): Rename to
2574 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2577 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2579 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2582 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2583 (dump_file): Only pad the demangled name with spaces if the
2584 mangled name was padded with spaces.
2586 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2588 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2591 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2593 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2594 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2597 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2598 whether can put offset inside LO_SUM to check mode alignment, not size.
2600 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2602 * doc/tm.texi (Misc): Fix thinko.
2604 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2606 * regmove.c (replace_in_call_usage): Fix warnings.
2607 * sched-deps.c (add_dependence): Fix warnings.
2608 * simplify-rtx.c (simplify_subreg): Likewise.
2609 Return NULL_RTX instead of NULL.
2611 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2612 (subst_asm_stack_regs): Likewise.
2614 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2617 * dwarf2out.c (output_call_frame_info): Declare i as int.
2618 (build_abbrev_table): Declare n_alloc as int.
2619 (dwarf2out_finish): Initialize die.
2620 * except.c: Declare sjlj_funcdef_number as unsigned.
2621 (connect_post_landing_pads): Declare j as unsigned.
2622 (convert_to_eh_region_ranges): Initialize call_site.
2623 (output_function_exception_table): Initialize tt_format_size.
2624 * expr.c (move_by_pieces_1): Initialize to1.
2625 (store_constructor): Initialize minelt and maxelt.
2626 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2627 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2629 * c-decl.c (combine_parm_decls): Unused, remove.
2630 * c-tree.h: Remove prototype for combine_parm_decls.
2632 * reload.c (push_reload): Fix warning.
2633 (regno_clobbered_p): Likewise.
2634 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2635 (reload_combine): Likewise.
2637 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2638 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2640 * bitmap.c (bitmap_operation): Change user.
2641 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2643 2001-07-10 Eric Christopher <echristo@redhat.com>
2645 * config/mips/mips.c (override_options): Fix typo.
2647 2001-07-09 Stan Shebs <shebs@apple.com>
2649 * target.h (struct gcc_target): New fields init_builtins and
2651 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2652 (TARGET_EXPAND_BUILTIN): New macro.
2653 (TARGET_INITIALIZER): Add them.
2654 * builtins.c: Include target.h.
2655 (expand_builtin): Use targetm.expand_builtin.
2656 (default_init_builtins): New function.
2657 (default_expand_builtin): New function.
2658 * expr.h (default_init_builtins): Declare.
2659 (default_expand_builtin): Declare.
2660 * c-common.c (c_common_nodes_and_builtins): Use
2661 targetm.init_builtins.
2662 * defaults.h (MD_INIT_BUILTINS): Remove.
2663 * Makefile.in (builtins.o): Depend on target.h.
2665 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2666 (TARGET_EXPAND_BUILTIN): Define.
2667 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2668 (MD_EXPAND_BUILTIN): Remove.
2670 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2671 (TARGET_EXPAND_BUILTIN): Define.
2672 (c4x_init_builtins): Make endlink arg a local.
2673 (c4x_print_operand): Fix typos in adjust_address usages.
2674 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2675 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2676 (MD_EXPAND_BUILTIN): Remove.
2678 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2679 (TARGET_EXPAND_BUILTIN): Define.
2680 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2681 (ix86_init_builtins): Call new function only if TARGET_MMX.
2682 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2683 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2684 (MD_EXPAND_BUILTIN): Remove.
2686 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2687 (TARGET_EXPAND_BUILTIN): Define.
2688 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2689 (MD_EXPAND_BUILTIN): Remove.
2691 * doc/tm.texi: Document these changes.
2693 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2695 * basic-block.h (tree_node): Forward declare if needed.
2696 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2697 (BLOCK_HEAD_TREE): Define.
2698 (BLOCK_END_TREE): Define.
2699 (struct loops): Rename field 'tree' to 'tree_root'.
2700 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2702 (flow_loops_tree_build): Rename reference to field 'tree' to
2704 (flow_loops_level_compute): Ditto.
2705 * predict.c (estimate_bb_frequencies): Ditto.
2706 * tree.h (struct tree_common): Add field 'aux'.
2708 2001-07-09 Stan Shebs <shebs@apple.com>
2710 * config/darwin.c (darwin_encode_section_info): Don't mark any
2711 DECL_EXTERNAL node as defined.
2713 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2715 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2716 pa_free_machine_status, hppa_init_pic_save): Delete.
2717 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2718 (hppa_profile_hook): Use hppa_pic_save_rtx.
2719 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2720 hppa_init_pic_save): Delete.
2721 (hppa_pic_save_rtx): Declare.
2722 * pa.md (call, call_value, sibcall, sibcall_value,
2723 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2725 2001-07-09 Kazu Hirata <kazu@hxi.com>
2727 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2728 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2730 2001-07-09 Andreas Jaeger <aj@suse.de>
2732 * output.h: Add declaration of final_forward_branch_p.
2734 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2736 * varray.c: Include errors.h for internal_error and trim_filename
2739 * Makefile.in (varray.o): Add errors.h.
2741 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2743 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2744 * optabs.c (have_add2_insn): Check whether the add insn chosen
2745 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2746 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2748 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2750 * Makefile.in (OBJS): Add ssa-ccp.o
2751 (ssa-ccp.o): Add dependencies.
2752 * toplev.c (DFI_ssa_ccp): New dump file enum.
2753 (dump_file): Add entry for dumping after SSA CCP.
2754 (flag_ssa_ccp): New flag variable.
2755 (f_options): Add -fssa-ccp.
2756 (rest_of_compilation): Run SSA CCP if requested.
2757 * timevar.def (TV_SSA_CCP): New timevar.
2758 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2759 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2760 Fix minor typo in SSA DCE documentation.
2761 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2762 Add documentation for new dump option. Renumber dump files
2765 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2767 * emit-rtl.c (gen_highpart_mode): New.
2768 * rtl.h (gen_highpart_mode): Declare.
2769 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2770 operand can be VOIDmode constant.
2772 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2774 * flow.c (redirect_edge_and_branch_force): New.
2775 (can_fallthru): Ensure that basic blocks are succeeding.
2776 (try_optimize_cfg): Do not delete basic block if it is the last one.
2778 * flow.c (try_redirect_by_replacing_jump): Do not remove
2779 jumps with side effects, unlink chain on fallthru edge;
2780 set block for new jump instruction; avoid basic block to
2781 over by line number note.
2783 * flow.c (try_simplify_condjump): Verify that the condjump
2784 is not always falling trought.
2787 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2789 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2790 (try_redirect_by_replacing_jump): Update properly the count
2791 and frequency information.
2793 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2795 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2796 address that is a LO_SUM specially.
2797 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2799 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2801 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2802 (operand_subword): Use them.
2803 (change_address_1): Renamed from change_address; new arg VALIDATE.
2804 * expr.h: Reflect above changes; change_address now macro.
2805 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2807 * cselib.c (add_mem_for_addr): Likewise.
2808 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2809 * regmove.c (try_apply_stack_adjustment): Likewise.
2810 * reload.c (push_reload, make_memloc): Likewise.
2811 * reload1.c (eliminate_regs): Likewise.
2812 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2813 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2815 * combine.c (make_extraction, simplify_shift_const): Likewise.
2816 (gen_lowpart_for_combine): Likewise.
2817 * cse.c (gen_lowpart_if_possible): Likewise.
2818 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2819 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2820 * optabs.c (gen_move_insn): Likewise.
2821 * reload1.c (alter_reg): Likewise.
2822 * simplify-rtx.c (simplify_subreg): Likewise.
2823 * stmt.c (expand_anon_union_decl): Likewise.
2824 * recog.c (validate_replace_rtx_1): Likewise.
2826 * Makefile.in (recog.o): Add $(EXPR_H).
2827 * explow.c (stabilize): Call replace_equiv_address.
2828 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2829 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2831 2001-07-03 Andrew Haley <aph@redhat.com>
2833 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2834 the mode of the memory location.
2836 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2838 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2840 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2842 * final.c (output_addr_const): Use target opening and
2843 closing parentheses.
2844 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2845 defaults, add to TARGET_ASM_OUT.
2846 * target.h (struct gcc_target): Add open_paren and close_paren.
2847 * doc/md.texi: Update.
2848 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2849 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2850 TARGET_ASM_CLOSE_PAREN.
2851 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2853 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2855 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2856 * config/a29k/a29k.h: Similarly.
2857 * config/alpha/alpha.h: Similarly.
2858 * config/arc/arc.h: Similarly.
2859 * config/arm/aof.h: Similarly.
2860 * config/arm/aout.h: Similarly.
2861 * config/avr/avr.h: Similarly.
2862 * config/c4x/c4x.h: Similarly.
2863 * config/clipper/clipper.h: Similarly.
2864 * config/convex/convex.h: Similarly.
2865 * config/d30v/d30v.h: Similarly.
2866 * config/dsp16xx/dsp16xx.h: Similarly.
2867 * config/elxsi/elxsi.h: Similarly.
2868 * config/fr30/fr30.h: Similarly.
2869 * config/h8300/h8300.h: Similarly.
2870 * config/i370/i370.h: Similarly.
2871 * config/i386/i386.h: Similarly.
2872 * config/i860/i860.h: Similarly.
2873 * config/i960/i960.h: Similarly.
2874 * config/ia64/ia64.h: Similarly.
2875 * config/m32r/m32r.h: Similarly.
2876 * config/m68hc11/m68hc11.h: Similarly.
2877 * config/m68k/m68k.h: Similarly.
2878 * config/m88k/m88k.h: Similarly.
2879 * config/mcore/mcore.h: Similarly.
2880 * config/mips/mips.h: Similarly.
2881 * config/mn10200/mn10200.h: Similarly.
2882 * config/mn10300/mn10300.h: Similarly.
2883 * config/ns32k/ns32k.h: Similarly.
2884 * config/pa/pa.h: Similarly.
2885 * config/pdp11/pdp11.h: Similarly.
2886 * config/pj/pj.h: Similarly.
2887 * config/romp/romp.h: Similarly.
2888 * config/rs6000/rs6000.h: Similarly.
2889 * config/sh/sh.h: Similarly.
2890 * config/sparc/sparc.h: Similarly.
2891 * config/v850/v850.h: Similarly.
2892 * config/vax/vax.h: Similarly.
2893 * config/we32k/we32k.h: Similarly.
2895 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2897 * doc/c-tree.texi: Document representation of attributes.
2899 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2901 * doc/tm.texi: Update some places for the rename of target to
2904 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2906 * target.h (struct gcc_target): Add insert_attributes.
2907 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2908 (TARGET_INITIALIZER): Update.
2909 * tree.c, tree.h (default_insert_attributes): New function.
2910 Update comments on other default functions to refer to targetm,
2912 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2913 TARGET_INSERT_ATTRIBUTES.
2914 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2915 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2916 Don't use PRAGMA_INSERT_ATTRIBUTES.
2917 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2918 * c-decl.c (start_decl, start_function): Don't call
2919 SET_DEFAULT_DECL_ATTRIBUTES.
2920 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2921 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2923 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2924 (c4x_check_attribute): Avoid modifying attribute list itself.
2925 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2927 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2928 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2930 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2931 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2933 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2934 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2936 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2937 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2938 Adjust parameters. Make static.
2940 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2942 * c-common.c (decl_attributes): Only take a single attributes
2944 * c-common.h (decl_attributes): Update prototype.
2945 * c-decl.c (start_decl, start_function): Only take a single
2946 attributes parameter. Update calls to decl_attributes.
2947 (finish_struct, finish_enum): Update calls to decl_attributes.
2948 (push_parm_decl): Expect unified list of attributes. Update call
2950 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2951 notype_nested_function, component_declarator,
2952 component_notype_declarator, label): Update calls to
2954 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2955 lists that are passed to push_parm_decl.
2956 * c-tree.h (start_function, start_decl): Update prototypes.
2957 * config/sh/sh-protos.h, config/sh/sh.c
2958 (sh_pragma_insert_attributes): Only take a single attributes
2960 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2961 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2962 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2963 build_module_descriptor, generate_static_references,
2964 generate_strings, build_selector_translation_table,
2965 generate_descriptor_table, generate_protocols,
2966 generate_ivars_list, generate_dispatch_table,
2967 generate_protocol_list, generate_category,
2968 generate_shared_structures, really_start_method, add_objc_decls,
2969 generate_classref_translation_entry): Update calls to start_decl
2971 (build_tmp_function_decl, start_method_def): Unify attribute lists
2972 that are passed to push_parm_decl.
2974 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2976 * final.c (no_asm_to_stream): New.
2977 (final_scan_insn): Use target structures for prologue ends
2978 and epilogue starts.
2979 * output.h (no_asm_to_stream): New.
2980 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2981 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2982 (TARGET_ASM_OUT): Update.
2983 * target.h (struct gcc_target): New members function_end_prologue
2984 and function_begin_epilogue.
2985 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2986 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2987 * config/alpha/alpha.c (output_end_prologue): Rename to
2988 alpha_output_function_end_prologue. Use in target struct
2990 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2991 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2992 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2993 ia64_output_function_end_prologue. Use in target struct
2995 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2996 mistyped prototypes.
2997 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2998 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3000 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3001 an use in target struct, make static.
3002 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3005 2001-07-08 Richard Henderson <rth@redhat.com>
3007 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3009 2001-07-08 Richard Henderson <rth@redhat.com>
3011 * config/i386/i386.md: Remove constraints strings from define_split
3012 and define_peephole2 patterns.
3013 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3014 (eh_return): Use them.
3016 2001-07-08 Richard Henderson <rth@redhat.com>
3018 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3019 Document MD_FALLBACK_FRAME_STATE_FOR.
3021 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3023 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3024 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3026 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3028 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3030 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3031 of the label inside NAME as opposed to just the end of NAME.
3033 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3035 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3036 * config/alpha/alpha.c (alpha_init_machine_status,
3037 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3038 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3039 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3040 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3042 2001-07-06 Stan Shebs <shebs@apple.com>
3044 * target.h (targetm): Rename global from "target", so as not to
3045 conflict with local variables.
3047 * c-typeck.c: Ditto.
3051 * cp/decl2.c: Ditto.
3052 * cp/typeck.c: Ditto.
3053 * 1750a/1750a.c: Ditto.
3054 * a29k/a29k.c: Ditto.
3058 * clipper/clipper.c: Ditto.
3059 * convex/convex.c: Ditto.
3060 * d30v/d30v.c: Ditto.
3061 * dsp16xx/dsp16xx.c: Ditto.
3062 * elxsi/elxsi.c: Ditto.
3063 * fr30/fr30.c: Ditto.
3064 * h8300/h8300.c: Ditto.
3065 * i370/i370.c: Ditto.
3066 * i386/i386.c: Ditto.
3067 * i860/i860.c: Ditto.
3068 * i960/i960.c: Ditto.
3069 * ia64/ia64.c: Ditto.
3070 * m32r/m32r.c: Ditto.
3071 * m68hc11/m68hc11.c: Ditto.
3072 * m68k/m68k.c: Ditto.
3073 * m88k/m88k.c: Ditto.
3074 * mips/mips.c: Ditto.
3075 * ns32k/ns32k.c: Ditto.
3077 * pdp11/pdp11.c: Ditto.
3078 * romp/romp.c: Ditto.
3079 * rs6000/rs6000.c: Ditto.
3081 * sparc/sparc.c: Ditto.
3083 * we32k/we32k.c: Ditto.
3084 * doc/tm.texi: Update the manual to match.
3086 2001-07-06 Richard Henderson <rth@redhat.com>
3088 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3089 DWARF2_UNWIND_INFO not just whether it is defined.
3091 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3093 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3094 call to simplify_binary_operation returns a new pattern.
3096 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3098 * glimits.h (__SHRT_MAX__): New.
3099 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3100 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3102 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3104 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3107 2001-07-06 Richard Henderson <rth@redhat.com>
3109 * bitmap.c (bitmap_release_memory): Move adjacent to the
3110 allocation functions.
3111 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3112 the implementation. Binary search for the set bit.
3113 (bitmap_union_of_diff): Allocate the temporary on the stack
3114 instead of using xmalloc.
3116 2001-07-06 Richard Henderson <rth@redhat.com>
3118 * genrecog.c (validate_pattern): Warn for constraints in
3119 define_{expand,split,peephole2}. Remove strict_low_part
3120 before looking up match_dup.
3122 2001-07-06 DJ Delorie <dj@redhat.com>
3124 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3125 chapter about various build hints and history. Add section
3126 talking about the various types of native and cross builds.
3128 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3130 * Makefile.in (final.o): Depend on target.h.
3131 * final.c: Include target.h.
3132 (default_function_pro_epilogue): New.
3133 (final_start_function): Use target structure for function prologues.
3134 (final_end_function): Use target structure for function epilogues.
3135 * fold-const.c (real_hex_to_f): Constify s and p.
3136 * output.h (default_function_pro_epilogue): New.
3137 * real.h (real_hex_to_f): Update prototype.
3138 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3139 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3140 (TARGET_INITIALIZER): Update.
3141 * target.h (gcc_target): Add struct asm_out.
3142 * doc/tm.texi: Update.
3145 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3146 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3147 in cpu/cpu.c, or rename old functions consistently. Take
3148 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3149 redundant macros and prototypes. Make new functions static.
3151 * 1750a/1750a.c: Similarly.
3152 * 1750a/1750a.h: Similarly.
3153 * a29k/a29k-protos.h: Similarly.
3154 * a29k/a29k.c: Similarly.
3155 * a29k/a29k.h: Similarly.
3156 * arc/arc-protos.h: Similarly.
3157 * arc/arc.c: Similarly.
3158 * arc/arc.h: Similarly.
3159 * arm/arm-protos.h: Similarly.
3160 * arm/arm.c: Similarly.
3161 * arm/arm.h: Similarly.
3162 * avr/avr-protos.h: Similarly.
3163 * avr/avr.c: Similarly.
3164 * avr/avr.h: Similarly.
3165 * clipper/clipper-protos.h: Similarly.
3166 * clipper/clipper.c: Similarly.
3167 * clipper/clipper.h: Similarly.
3168 * convex/convex.c: Similarly.
3169 * convex/convex.h: Similarly.
3170 * d30v/d30v-protos.h: Similarly.
3171 * d30v/d30v.c: Similarly.
3172 * d30v/d30v.h: Similarly.
3173 * d30v/d30v.md: Similarly.
3174 * dsp16xx/dsp16xx-protos.h: Similarly.
3175 * dsp16xx/dsp16xx.c: Similarly.
3176 * dsp16xx/dsp16xx.h: Similarly.
3177 * elxsi/elxsi.c: Similarly.
3178 * elxsi/elxsi.h: Similarly.
3179 * fr30/fr30.c: Similarly.
3180 * fr30/fr30.md: Similarly.
3181 * h8300/h8300-protos.h: Similarly.
3182 * h8300/h8300.c: Similarly.
3183 * h8300/h8300.h: Similarly.
3184 * i370/i370-protos.h: Similarly.
3185 * i370/i370.c: Similarly.
3186 * i370/i370.h: Similarly.
3187 * i386/i386.c: Similarly.
3188 * i386/osf1elf.h: Similarly.
3189 * i386/osfrose.h: Similarly.
3190 * i860/i860-protos.h: Similarly.
3191 * i860/i860.c: Similarly.
3192 * i860/i860.h: Similarly.
3193 * i960/i960-protos.h: Similarly.
3194 * i960/i960.c: Similarly.
3195 * i960/i960.h: Similarly.
3196 * ia64/ia64-protos.h: Similarly.
3197 * ia64/ia64.c: Similarly.
3198 * ia64/ia64.h: Similarly.
3199 * m32r/m32r-protos.h: Similarly.
3200 * m32r/m32r.c: Similarly.
3201 * m32r/m32r.h: Similarly.
3202 * m68hc11/m68hc11-protos.h: Similarly.
3203 * m68hc11/m68hc11.c: Similarly.
3204 * m68hc11/m68hc11.h: Similarly.
3205 * m68k/crds.h: Similarly.
3206 * m68k/dpx2.h: Similarly.
3207 * m68k/m68k-protos.h: Similarly.
3208 * m68k/m68k.c: Similarly.
3209 * m68k/m68k.h: Similarly.
3210 * m68k/news.h: Similarly.
3211 * m88k/m88k-protos.h: Similarly.
3212 * m88k/m88k.c: Similarly.
3213 * m88k/m88k.h: Similarly.
3214 * mips/mips-protos.h: Similarly.
3215 * mips/mips.c: Similarly.
3216 * mips/mips.h: Similarly.
3217 * ns32k/merlin.h: Similarly.
3218 * ns32k/ns32k.c: Similarly.
3219 * ns32k/ns32k.h: Similarly.
3220 * ns32k/tek6000.h: Similarly.
3221 * pa/pa-protos.h: Similarly.
3222 * pa/pa.c: Similarly.
3223 * pa/pa.h: Similarly.
3224 * pdp11/2bsd.h: Similarly.
3225 * pdp11/pdp11-protos.h: Similarly.
3226 * pdp11/pdp11.c: Similarly.
3227 * pdp11/pdp11.h: Similarly.
3228 * romp/romp-protos.h: Similarly.
3229 * romp/romp.c: Similarly.
3230 * romp/romp.h: Similarly.
3231 * rs6000/rs6000-protos.h: Similarly.
3232 * rs6000/rs6000.c: Similarly.
3233 * rs6000/rs6000.h: Similarly.
3234 * rs6000/sysv4.h: Similarly.
3235 * sh/sh-protos.h: Similarly.
3236 * sh/sh.c: Similarly.
3237 * sh/sh.h: Similarly.
3238 * sparc/sparc-protos.h: Similarly.
3239 * sparc/sparc.c: Similarly.
3240 * sparc/sparc.h: Similarly.
3241 * vax/vax.c: Similarly.
3242 * vax/vax.h: Similarly.
3243 * vax/vms.h: Similarly.
3244 * we32k/we32k.c: Similarly.
3245 * we32k/we32k.h: Similarly.
3247 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3249 * basic-block.h (first_insn_after_basic_block_note): Declare.
3250 * flow.c (first_insn_after_basic_block_note): Define. Moved
3252 * ssa.c (first_insn_after_basic_block_note): Remove.
3253 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3255 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3256 nodes when we find a dead conditional branch. Insert BARRIERs
3257 after any blocks with no successors, but which do not have
3260 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3262 * varray.c (varray_check_failed): Use internal_error.
3264 2001-07-05 Andrew Haley <aph@redhat.com>
3266 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3267 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3268 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3270 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3272 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3273 reference if the target constant is also a SYMBOL_REF.
3275 2001-07-05 Eric Christopher <echristo@redhat.com>
3277 * config/mips/mips.h (MASK_MIPS3900): Remove.
3278 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3279 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3280 (TARGET_MIPS3900): Change to use mips_arch.
3281 (TARGET_MIPS4000): New.
3282 (TARGET_MIPS4100): New.
3283 (TARGET_MIPS4300): New.
3284 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3285 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3287 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3288 (ISA_HAS_BRANCHLIKELY): To here.
3289 (CC1_CPU_SPEC): New.
3290 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3291 (mips_arch_string): Declare.
3292 (mips_arch): Declare.
3293 (TARGET_OPTIONS): Add -march and -mtune.
3295 * config/mips/mips.c (mips_arch_string): New.
3297 (override_options): Handle -march for codegen and -mtune
3298 for scheduling. Use mips_arch. Move tx39 target default here.
3299 (mips_parse_cpu): Move error message to override_options.
3301 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3303 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3305 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3306 (MIPS Options): Ditto. Change mcpu entry to historical text.
3308 2001-07-05 H.J. Lu (hjl@gnu.org)
3310 * config/mips/mips.c (mips_parse_cpu): New function to parse
3313 2001-07-05 Jim Wilson <wilson@redhat.com>
3315 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3316 * config/ia64/t-ia64: Likewise.
3317 (LIB1ASMFUNCS): Update comment.
3319 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3321 * doc/install.texi (Install GCC: Binaries): Fix typo.
3323 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3325 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3326 reference using the stack pointer, adjust it since we push Y
3328 ("*ashrsi3"): Likewise.
3329 ("*lshrsi3"): Likewise.
3331 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3333 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3334 when -fomit-frame-pointer is used.
3336 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3338 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3339 (try_redirect_by_replacing_jump): Reverse updating properly the
3340 count and frequency information. Reverse removing cc0 setter.
3341 (forwarder_block_p): Reverse fixing for fallthru blocks.
3343 2001-07-05 DJ Delorie <dj@redhat.com>
3345 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3346 (translate_options): If the above is defined, use it to map
3347 given options to new options.
3348 * doc/tm.texi: Document it.
3350 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3351 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3353 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3354 cause programs using computed gotos to run more slowly.
3356 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3358 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3360 Consistently require binutils 2.11.2, not prereleases.
3361 (Specific, decstation-*): Canonicalize as mips-dec-*.
3362 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3364 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3365 (Specific, mips-*): Reword MIPS C compiler requirements.
3366 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3367 (Specific, sunv5): Removed, obsolete.
3369 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3371 * dwarf2out.c (output_loc_list): Use an all ones mask for
3372 .text asm output and don't rely on long long
3373 literals. Reformat some long lines.
3375 2001-07-05 Andreas Jaeger <aj@suse.de>
3377 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3380 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3382 * dwarf2out.c (dwarf2out_define): Update comment.
3383 (dwarf2out_undef): Ditto.
3384 (dwarf2out_start_source_file): Ditto.
3385 (dwarf2out_end_source_file): Ditto.
3386 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3387 since we never call the start/end debug hook for the primary file.
3389 2001-07-04 Kazu Hirata <kazu@hxi.com>
3391 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3394 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3396 * cppinit.c (remove_dup_dirs): Inform if a system include
3397 directory is being reordered.
3398 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3400 * doc/cpp.texi (Search Paths): Likewise.
3401 * doc/gcc.texi (Interoperation): Remove information about
3404 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3406 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3407 (VARRAY_TOP_CHAR_PTR): Likewise.
3409 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3411 * gcc.c (process_command): Don't assign elements of a const char*.
3413 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3415 * emit-rtl.c (change_address): Don't abort if invalid address while
3416 reload is in progress.
3418 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3420 * c-lex.c (cb_file_change): Pass line number to
3421 debug_start_source_file.
3422 (cb_undefine): Pass correct line number to debug_undef.
3424 * toplev.c (debug_start_source_file): Add line number to
3425 parameters. Pass it along to dwarf2out_start_source_file.
3426 (decode_g_option): Stop resetting debug level back to normal when
3427 we change debug formats, unless the current level is
3428 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3431 * toplev.h (debug_start_source_file): Add line number to
3434 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3437 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3439 Output debug_macinfo data for starting file if requested.
3440 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3442 (dwarf2out_define): Output debug_macinfo data for defining a macro
3444 (dwarf2out_undef): Output debug_macinfo data for undefining a
3446 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3447 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3448 (macinfo_section_label): New. DWARF2 macro info section label.
3449 (dwarf2out_init): If we want macro info, output the start label
3451 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3452 attribute to the compilation unit die pointing to the macro info.
3454 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3456 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3457 DWARF2_DEBUGGING_INFO.
3458 (add_loc_descr_to_loc_list): Ditto.
3459 (output_loc_list): Ditto.
3460 Also, fix thinko in curr not being initialized.
3461 (gen_internal_sym): Ditto.
3463 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3465 * emit-rtl.c (replace_equiv_address): New function.
3466 * expr.h (replace_equiv_address): New declaration.
3467 * explow.c (validize_mem): Call it instead of change_address and
3468 also call if -fforce-addr and address is constant.
3469 * expr.c: Replace more calls to change_address with adjust_address
3470 and/or replace_equiv_address or to validize_mem.
3471 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3472 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3473 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3474 * config/i370/i370.md, config/i860/i860.md: Likewise.
3475 * config/i960/i960.md, config/mips/mips.c: Likewise.
3476 * config/mips/mips.md, config/pa/pa.md: Likewise.
3477 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3478 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3480 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3482 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3484 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3487 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3489 * doc/include: New directory.
3490 * doc/fdl.texi: Move to doc/include/fdl.texi.
3491 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3492 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3493 * doc/gcc.texi: Use funding.texi and gpl.texi.
3494 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3495 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3496 Update dependencies and use -I $(docdir)/include.
3498 2001-07-04 Anthony Green <green@redhat.com>
3500 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3502 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3504 * doc/install.texi (sparc64-*-*): Remove garbage.
3506 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3508 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3509 Fix typo in last change to use adjust_address.
3511 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3513 * doc/install.texi (Specific): Update information for *-*-solaris*.
3515 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3517 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3519 2001-07-03 Stan Shebs <shebs@apple.com>
3521 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3522 case for flag_no_mach_text_sections.
3523 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3524 * config/darwin.c (flag_no_mach_text_sections): Remove.
3525 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3527 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3529 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3530 and avoid checking for constant as first operand.
3531 * recog.c (find_constant_term_loc): No longer static.
3532 (adj_offettable_operand): Delete.
3533 * rtl.h (adj_offsettable_operand): Delete declaration.
3534 (find_constant_term): Add declaration.
3535 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3537 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3538 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3539 * config/i386/i386.c, config/i386/i386.md: Likewise.
3540 * config/i860/i860.c, config/i960/i960.c: Likewise.
3541 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3542 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3543 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3544 * config/mips/mips.c, config/mips/mips.md: Likewise.
3545 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3546 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3547 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3548 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3549 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3550 * config/ns32k/ns32k.md: Likewise.
3552 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3554 * rtl.c (copy_rtx): Handle 'T' format letter.
3555 * gensupport.c (collect_insn_data): Likewise.
3556 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3558 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3560 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3561 -B option. Use 'dir' not 'foo' as example directory name.
3563 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3565 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3566 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3568 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3570 * doc/cppinternals.texi: Improve formatting and logical markup.
3572 2001-07-03 Andreas Jaeger <aj@suse.de>
3574 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3576 * genrecog.c (write_header): Include reload.h for prototypes in
3579 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3582 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3583 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3584 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3585 i386_pe_valid_type_attribute_p): Add.
3586 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3587 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3589 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3591 * explow.c (plus_constant_wide, case LO_SUM): New case.
3592 (plus_constant_for_output_wide): Delete.
3593 * rtl.h (plus_constant_for_output): Delete.
3594 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3595 instead of plus_constant_for_output.
3596 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3597 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3598 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3599 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3600 * config/sparc/sparc.md: Likewise.
3601 Convert some change_address calls to adjust_address.
3603 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3605 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3606 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3607 documentation of -std and -Wwrite-strings.
3609 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3611 * cse.c (canon_hash): Don't register registers in very small
3612 register classes, as extending their lifetime might cause
3615 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3617 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3619 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3620 (try_redirect_by_replacing_jump): Update properly the count
3621 and frequency information.
3623 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3625 * toplev.c (dump_file_index): Move SSA dumps just after first
3627 (dump_file): Corresponding changes.
3628 (rest_of_compilation): Move SSA path to just after the first
3630 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3631 * doc/invoke.texi: Update dump file #s as they were completely
3632 out of date with reality.
3634 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3636 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3638 * expr.c (emit_move_insn_1): Deal with non-default
3641 * expr.c (emit_single_push_insn): Fix warning.
3643 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3645 * expr.c (emit_move_insn_1): Avoid modifying
3646 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3648 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3650 * emit-rtl.c (adjust_address): New function.
3651 * expr.h (adjust_address): Add declaration.
3652 * builtins.c: Replace some calls to change_address with calls to it
3654 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3655 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3656 * config/arm/arm.c, config/convex/convex.c: Likewise.
3657 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3658 * config/i386/i386.c, config/i386/i386.md: Likewise.
3659 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3660 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3661 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3662 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3663 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3665 2001-07-02 Jim Wilson <wilson@redhat.com>
3667 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3669 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3671 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3672 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3674 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3676 * cppinit.c (lang_defaults): New table.
3677 (set_lang): Just read from lang_defaults into the live options
3680 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3682 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3683 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3684 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3686 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3688 * doc/install.texi: Various spelling and markup fixes.
3689 (Installing GCC): Component specific installation instructions are
3692 Warn about removing old install dir in the presence of shared libs.
3693 (Configuration): Invoke with options target to match configure
3695 Consistently refer to gas, gld pathnames.
3696 Invert --enable-multilib documentation.
3697 Remove references to old compiler versions.
3699 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3701 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3703 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3705 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3707 (Specific, mips*-sgi-irix5): Note IDO download.
3708 Reworded MIPS C hints.
3709 Use GNU as instead of GAS.
3711 Removed SGI Freeware reference, IRIX 6 only.
3712 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3713 Note N64 library requirement/workaround.
3715 Complete list of structure passing bug victims.
3717 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3719 * doc/install.texi: Remove CVS Id.
3721 2001-07-02 Andreas Jaeger <aj@suse.de>
3723 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3724 (find_inherently_necessary): Remove unused variable.
3726 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3728 * c-common.h (TDI_inlined): New ast dump phase.
3729 (dump_flag_name): New function.
3730 * c-dump.c (dump_files): Add inlined phase.
3731 (dump_flag_name): Define.
3732 * doc/invoke.texi (-fdump-ast-inlined): Document.
3734 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3736 * stor-layout.c (layout_decl): Revert change to handling of alignment
3739 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3741 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3744 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3746 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3749 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3751 * tlink.c (recompile_files): Remove COMPILER_PATH and
3752 LIBRARY_PATH from the environment.
3754 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3756 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3757 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3759 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3761 * c-parse.in (OBJC_STRING): Kill.
3762 (objc_string): Decompose to [objc_string] '@' STRING.
3763 (reswords): Take the leading '@' off all the Objective C keywords.
3764 (objc_rid_sans_at): Kill.
3765 (init_reswords): Don't initialize it.
3766 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3767 (_yylex): Kill reconsider label. Look ahead one token after
3768 an '@'; if we get an identifier, check whether it's an
3769 Objective C @-keyword. If so, return the keyword. Otherwise,
3770 put back the token and return the '@' as a terminal.
3772 * cpplib.c (lex_macro_node): Remove unnecessary check for
3773 leading '@' on identifier. Clarify control flow and commentary.
3775 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3777 * cse.c (new_label_ref): Variable deleted.
3778 (insert): Remove set of new_label_ref.
3779 (check_for_label_ref): New function.
3780 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3782 See ChangeLog.5 for earlier changes.