1 2006-07-30 Eric Christopher <echristo@apple.com>
4 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5 (PowerPC Variable Attributes): New section.
7 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9 PR target/28126 (partial fix)
10 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
12 2006-07-28 Jan Hubicka <jh@suse.cz>
14 PR rtl-optimization/28071
15 * cfgrtl.c (rtl_delete_block): Free regsets.
16 * flow.c (allocate_bb_life_data): Re-use regsets if available.
18 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
21 and variables used in dependencies.
23 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
25 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
26 %fs for -mcmodel=kernel.
27 (stack_tls_protect_test_di): Likewise.
29 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
31 * Makefile.in: Use mkinstalldirs.
33 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
36 * opts-common.c (prune_options): Skip joined switches.
38 2006-07-27 Jan Hubicka <jh@suse.cz>
40 PR rtl-optimization/28071
41 * cselib.c (cselib_process_insn): Don't remove useless values too
42 often for very large hashtables.
44 2006-07-27 Jan Hubicka <jh@suse.cz>
46 PR rtl-optimization/28071
47 * global.c (greg_obstack): New obstack.
48 (allocate_bb_info): Use it.
49 (free_bb_info): Likewise.
50 (modify_reg_pav): Likewise.
52 2006-07-27 Roger Sayle <roger@eyesopen.com>
54 * builtins.c (fold_fixed_mathfn): When long and long long are the
55 same size, canonicalize llceil*, llfloor*, llround* and llrint*
56 functions to their lceil*, lfloor*, lround* and lrint* forms.
58 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
61 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
63 (rev_branch_insn): Likewise.
65 2006-07-27 Jan Hubicka <jh@suse.cz>
67 PR rtl-optimization/28071
68 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
69 (reg_set_in_bb, max_reg_computed): New static variables.
70 (regmove_optimize): Free the new array.
71 (fixup_match_1): Update call of reg_is_remote_constant_p.
73 2006-07-26 Jan Hubicka <jh@suse.cz>
75 PR tree-optimization/27882
76 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
78 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
80 (cgraph_analyze_compilation_unit): Likewise.
81 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
82 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
83 (cgraph_early_inlinine): Make order garbage collected.
84 * Makefile.in (gt-ipa-inline): New garbagecollected file.
86 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
88 * dbxout.c (output_types_sort): Add a comment.
89 (output_used_types): Free the VEC.
91 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
93 * function.c (reorder_fix_fragments): Delete.
94 (reorder_blocks): Don't call it.
95 (reorder_blocks_1): Put all subblocks under the origin block.
97 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
99 PR rtl-optimization/27907
100 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
103 2006-07-25 Roger Sayle <roger@eyesopen.com>
106 * convert.c (convert_to_integer): When transforming (T)foo(x) into
107 bar(x) check that bar's result type can represent all the values of T.
109 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
111 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
113 2006-07-25 Nick Clifton <nickc@redhat.com>
115 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
117 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
118 (ggc_pch_count_object): Likewise.
119 (ggc_pch_alloc_object): Likewise.
120 (ggc_pch_write_object): Likewise.
121 (init_ggc): Do not attempt to initialize entries in the
122 size_lookup[] array for objects whose size is greater than than
123 the length of the array.
125 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
127 * dbxout.c (output_used_types_helper): Push queued types
129 (output_types_sort): New.
130 (output_used_types): Collect used types on a VEC and sort them
133 2006-07-24 Richard Guenther <rguenther@suse.de>
136 * cgraph.c (cgraph_remove_node): Do not check if dumps
138 * cgraphunit.c (cgraph_optimize): Likewise.
140 2006-07-24 Jan Hubicka <jh@suse.cz>
142 PR rtl-optimization/28071
143 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
144 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
145 splitting before first stmt.
147 2006-07-24 Jan Hubicka <jh@suse.cz>
149 PR rtl-optimization/28071
150 * ipa-inline.c (update_caller_keys): Remove edges that
151 are no longer inline candidates.
153 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
156 * dbxout.c (output_used_types_helper, output_used_types): New.
157 (dbxout_symbol): Call output_used_types.
159 2006-07-23 Jan Hubicka <jh@suse.cz>
163 * cgraph.c (cgraph_varpool_nodes): Export.
164 (decide_is_variable_needed): Ignored "used" attribute in
166 * cgraph.h (cgraph_varpool_nodes): Declare.
167 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
170 2006-07-23 Roger Sayle <roger@eyesopen.com>
173 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
174 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
175 the __gthrw form of thr_keycreate.
176 (__gthread_key_delete): Silence the unused argument warning.
178 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
181 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
182 Cache the last found '\0' marker to avoid quadratic behavior.
184 2006-07-23 Jan Hubicka <jh@suse.cz>
186 * i386.md (subsi_3_zext): Fix output template.
188 2006-07-21 Mike Stump <mrs@apple.com>
190 * doc/invoke.texi (C++ Dialect Options): Note that
191 -fvisibility-inlines-hidden doesn't affect explicitly
192 instantiationed inline methods.
194 2006-07-20 Roger Sayle <roger@eyesopen.com>
196 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
197 if the target assembler is GNU binutils' gas.
198 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
199 whether to pass GNU gas or native as command line options.
201 2006-07-20 Jason Merrill <jason@redhat.com>
203 * tree.c (remove_attribute): New fn.
204 * tree.h: Declare it.
206 2006-07-20 Paul Brook <paul@codesourcery.com>
209 * cse.c (cse_insn): Add destination addresses to hash table. Check if
210 they are invalidated by this instruction.
212 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
215 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
217 2006-07-20 Eric Christopher <echristo@apple.com>
220 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
222 2006-07-19 Eric Christopher <echristo@apple.com>
224 * config/t-slibgcc-darwin (stmp-lipo): Remove.
225 Rewrite dependencies for libgcc_s.1.dylib.
227 2006-07-19 Jakub Jelinek <jakub@redhat.com>
229 * except.c (duplicate_eh_regions_1): Clear next_peer.
231 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
233 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
234 -mlongcall does not guarantee all calls will be long.
235 * doc/extend.texi (long_call/short_call): Document that longcall
236 does not guarantee a long call will be used.
237 (longcall/shortcall): Likewise.
239 2006-07-18 Roger Sayle <roger@eyesopen.com>
242 * expmed.c (expand_shift): Additionally check that the shift_cost
243 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
244 before implementing a LSHIFT_EXPR as a sequence of additions.
245 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
246 middle-end that DImode shifts need to be synthesized by expand.
248 2006-07-18 Diego Novillo <dnovillo@redhat.com>
251 * tree-ssa-operands.c (access_can_touch_variable): Update
253 Return true if ALIAS is .GLOBAL_VAR.
255 2006-07-18 David Daney <ddaney@avtrex.com>
257 * gcc.c (display_help): Fix typo in help text.
259 2006-07-18 Olivier Hainque <hainque@adacore.com>
261 * tree.h (categorize_ctor_elements): Adjust prototype and add
262 descriptive comment, both in accordance with the interface change
264 * varasm.c (constructor_static_from_elts_p): New function.
265 Whether a constructor node is a valid static constant initializer
266 if all its elements are.
267 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
268 * output.h: Declare it.
269 * expr.c (categorize_ctor_elements_1): Return whether the constructor
270 is a valid constant initializer instead of computing the number of
271 non-constant elements. Use constructor_static_from_elts_p for this
272 purpose. Replace the head comment with an indication that this is a
273 helper for categorize_ctor_elements.
274 (categorize_ctor_elements): Same interface change as for the _1
275 helper. Former head comment from this helper moved here, adjusted to
276 account for the interface changes.
277 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
278 (all_zeros_p): Likewise.
279 * gimplify.c (gimplify_init_constructor): Decide whether we can make
280 static versions of the constructor from the categorize_ctor_elements
281 return value instead of the formerly computed number of non-constant
284 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
286 * configure: Regenerate.
287 * Makefile.in (build_libsubdir): New configure substitution
288 (build_libobjdir): New variable.
289 (BUILD_LIBIBERTY): Use it.
291 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
294 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
296 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
299 * c-common.c (handle_weakref_attribute): Ignore attribute in
300 the same conditions the alias attribute is ignored.
302 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
304 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
305 (dbxout_begin_prologue): Increment scope_labelno.
307 2006-07-17 Richard Henderson <rth@redhat.com>
310 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
313 2006-07-17 Roger Sayle <roger@eyesopen.com>
314 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
316 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
317 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
318 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
319 functions such as sbrk, write, etc.. Add function prototypes.
320 Convert function declarations from K&R to ISO C. Cast pointers
321 to "long" and "unsigned long" instead of "int" and "unsigned int".
322 Convert tokens following #endif into comments.
324 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
326 * invoke.texi: Remove mention of f77; Reformat table for
327 inline parameter options correctly; mention that -malign-double
328 is default on x86-64 targets.
330 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
332 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
333 (convert_affine_scev, chrec_convert_aggressive): Use
334 avoid_arithmetics_in_type_p. Do not check for the subtypes
337 2006-07-17 Richard Sandiford <richard@codesourcery.com>
340 * optabs.c (expand_doubleword_shift): Wrap the call to
341 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
343 2006-07-17 Richard Sandiford <richard@codesourcery.com>
346 * optabs.c (expand_binop): Pass next_methods rather than methods
347 to expand_doubleword_shift.
349 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
352 * tree.h (dump_addr): Declare.
353 * print-tree.c (dump_addr): New function.
354 (print_node_brief, print_node): Use it.
355 * print-rtl.c (print_rtx): Likewise.
356 * common.opt (-fdump-noaddr): New option.
357 * doc/invoke.texi (-fdump-noaddr): Document.
358 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
359 (ve_info_hash): Likewise.
361 2006-07-13 Andrew Haley <aph@redhat.com>
363 PR tree-optimization/19505
364 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
365 edge leaving this block, make sure that the destination of this
366 block has only one predecessor.
368 2006-07-17 Richard Guenther <rguenther@suse.de>
370 PR tree-optimization/28238
371 * tree-inline.c (copy_bb): Check if we produced valid
372 gimple copying and substituting a stmt. If not, gimplify
375 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
377 * optabs.c (maybe_encapsulate_block): New function extracted from...
378 (emit_libcall_block): ...here. Invoke it on the block of insns to
379 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
380 (emit_no_conflict_block): Likewise.
382 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
384 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
386 2006-07-15 Roger Sayle <roger@eyesopen.com>
388 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
389 a new NOP_EXPR case of the switch statement.
391 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
394 * stor-layout.c (place_field): Take the bit field with
395 an excessive size into account in the ms-bitfiled case.
398 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
399 the previous bit field.
401 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
404 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
406 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
408 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
409 signal frames correctly even when the signal was installed with
412 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
414 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
415 (dbxout_function_end): Use local label LFBB. Remove hook
417 (dbxout_source_line): Use local label LFBB.
418 (dbxout_block): Likewise.
419 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
420 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
421 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
424 2006-07-13 Janis Johnson <janis187@us.ibm.com>
426 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
428 2006-07-13 Jan Hubicka <jh@suse.cz>
430 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
432 * output.h (align_variable): Declare.
433 * varasm.c (align_variable): Export.
434 * value-prof.c (tree_value_profile_transformations): Recompute iterator
435 when basic block changed.
437 2006-07-13 Nick Clifton <nickc@redhat.com>
439 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
440 walking the LOG_LINKS chain.
442 2006-07-12 Geoffrey Keating <geoffk@apple.com>
444 * doc/invoke.texi (C++ Dialect Options): Explain difference
445 between -fvisibility-inlines-hidden and setting hidden
446 visibility explicitly.
448 2006-07-12 Eric Christopher <echristo@apple.com>
450 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
451 (stmp-lipo): Depend on libgcc.a.
453 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
455 * tree.c: Fix a comment typo.
457 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
459 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
461 (umulhisi3_r): Likewise.
463 2006-07-12 Paolo Carlini <pcarlini@suse.de>
466 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
467 x < 19, vs wchar_t support.
469 2006-07-12 Nick Clifton <nickc@redhat.com>
471 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
474 2006-07-12 Mike Stump <mrs@apple.com>
476 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
478 2006-07-10 Eric Christopher <echristo@apple.com>
480 * config/t-slibgcc-darwin: Rewrite.
482 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
485 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
488 2006-07-08 Matthias Klose <doko@debian.org>
490 * doc/sourcebuild.texi: Fix typo.
492 2006-07-07 Mike Stump <mrs@apple.com>
494 * toplev.c (process_options): Don't give -ffunction-sections may
495 affect debugging warning for Mach-O.
497 2006-07-07 James E Wilson <wilson@specifix.com>
499 * config/mips/mips.md (cpu): Add sb1a.
500 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
501 addition to sb1. Adjust comments to clarify SB-1A differences from
503 (ir_sb1a_load): New. Modify bypasses to use it.
504 (ir_sb1a_simple_alu): Likewise.
505 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
506 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
507 (mips_issue_rate): Add PROCESSOR_SB1A.
508 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
509 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
510 (TARGET_SB1): Add PROCESSOR_SB1A check.
511 (TUNE_SB1): Likewise.
513 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
514 * config/mips/mips.c (mips_store_data_bypass_p): New.
515 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
518 2006-07-08 Paul Brook <paul@codesourcery.com>
521 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
523 2006-07-07 Richard Guenther <rguenther@suse.de>
526 * tree.h (build_one_cst): Declare.
527 * tree.c (build_one_cst): New function.
528 * tree-ssa-math-opts.c (get_constant_one): Remove.
529 (insert_reciprocals): Use build_one_cst.
530 * fold-const.c (fold_plusminus_mult): Likewise.
532 2006-07-07 Roger Sayle <roger@eyesopen.com>
534 * pointer-set.c (pointer_set_destroy): Correct whitespace.
535 * cfgloopanal.c (dump_graph): Likewise.
536 * dojump.c (discard_pending_stack_adjust): Likewise.
537 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
539 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
540 * function.c (finalize_block_changes): Likewise.
541 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
542 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
543 * rtl.c (dump_rtx_statistics): Likewise.
544 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
546 * varray.c (dump_varray_statistics): Likewise.
547 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
548 decode_decimal64, encode_decimal128, decode_decimal128,
549 decimal_real_to_decimal): Likewise.
551 2006-07-07 Richard Guenther <rguenther@suse.de>
553 PR tree-optimization/28187
554 * tree-vrp.c (vrp_operand_equal_p): New function.
555 (vrp_bitmap_equal_p): Likewise.
556 (update_value_range): Use them to compare old and new
559 2006-07-06 Roger Sayle <roger@eyesopen.com>
561 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
562 a default case to switch statement to silence compiler warnings.
564 2006-07-06 Roger Sayle <roger@eyesopen.com>
567 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
568 the configured assembler supports the x87's ffreep mnemonic.
569 * configure: Regenerate.
570 * config.in: Regenerate.
572 * config/i386/i386.c (output_387_ffreep): New function.
573 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
574 (output_387_reg_move): Likewise.
576 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
578 Port to hosts whose 'sort' and 'tail' implementations
579 treat operands with leading '+' as file names, as POSIX
580 has required since 2001. However, make sure the code still
581 works on pre-POSIX hosts.
582 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
583 which says you should use "tail -c +N" rather than "tail +Nc".
584 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
586 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
588 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
591 2006-07-06 David Edelsohn <edelsohn@gnu.org>
594 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
595 PRE_{INC,DEC} of TFmode.
597 2006-07-06 David Edelsohn <edelsohn@gnu.org>
598 Alan Modra <amodra@bigpond.net.au>
601 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
604 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
607 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
608 Remove duplicate gtu.
610 2006-07-05 Jason Merrill <jason@redhat.com>
614 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
615 * c-common.c (handle_packed_attribute): So don't copy it here.
616 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
618 2006-07-05 Mike Stump <mrs@apple.com>
620 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
622 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
625 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
627 2006-07-05 Richard Guenther <rguenther@suse.de>
630 * config/i386/i386.md (*negdf2_1): Restrict pattern to
631 TARGET_SSE2 targets if using SSE math.
632 (*absdf2_1): Likewise.
634 2006-07-05 Richard Guenther <rguenther@suse.de>
636 PR tree-optimization/28162
637 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
638 make sure to convert the operands to the correct type.
640 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
642 PR tree-optimization/28218
644 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
645 to calculate and free the dominator information.
647 2006-07-04 Peter O'Gorman <peter@pogma.com>
649 * mklibgcc.in: chmod 644 before ranlib during install.
651 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
652 J"orn Rennecke <joern.rennecke@st.com>
654 * configure.ac (.eh_frame data check): Use diff -b.
656 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
659 * Makefile.in (BUILD_RTL): Add build/vec.o.
660 (build/gencondmd.o): Filter out -fkeep-inline-functions.
661 (build/genextract): Delete.
662 (build/genautomata): Likewise.
664 2006-07-04 Alan Modra <amodra@bigpond.net.au>
667 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
668 128-bit IBM long doubles for ABI_V4.
670 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
672 * tree.c (range_in_array_bounds_p): New predicate.
673 * tree.h (range_in_array_bounds_p): Declare it.
674 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
675 return a less conservative answer.
676 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
678 (IS_ELEMENT_FOR_GROUP): New macro.
679 (FOR_EACH_ACTUAL_CHILD): Likewise.
680 (next_child_for_group): New helper function.
681 (can_completely_scalarize_p): Take into account groups.
682 (sra_hash_tree): Handle RANGE_EXPR.
683 (sra_elt_eq): Likewise.
684 (lookup_element): Be prepared for handling groups.
685 (is_valid_const_index): Delete.
686 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
687 instead of is_valid_const_index.
688 <ARRAY_RANGE_REF>: New case.
689 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
690 is_valid_const_index.
691 <ARRAY_RANGE_REF>: Do not unconditionally punt.
692 (scan_dump): Dump info for groups too.
693 (decide_instantiation_1): Likewise.
694 (decide_block_copy): Assert that the element is not a group.
695 Propagate decision to groups.
696 (generate_one_element_ref): Handle RANGE_EXPR.
697 (mark_no_warning): Iterate over actual childs.
698 (generate_copy_inout): Likewise.
699 (generate_element_copy): Likewise.
700 (generate_element_zero): Likewise.
701 (generate_element_init_1): Likewise.
702 (dump_sra_elt_name): Handle RANGE_EXPR.
704 2006-07-03 Roger Sayle <roger@eyesopen.com>
706 PR tree-optimization/26251
707 * tree-ssa-threadupdate.c (redirection_block_p): New function.
708 (thread_block): When optimizing for size refuse to thread jumps
709 that would require duplication of blocks other than redirection
712 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
714 * configure.ac: Fix thinko in previous check-in.
715 * configure: Regenerate.
717 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
720 * configure.ac (for lang...): Simplify nesting of conditionals.
721 Test subdir_requires for non-enabled languages. Move processing
722 of lang_opt_files and lang_tree_fiels below that test.
723 * configure: Regenerate.
724 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
726 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
728 * doc/gcov.texi (Invoking Gcov): Add a missing word.
730 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
732 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
735 2006-06-29 Jason Merrill <jason@redhat.com>
742 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
743 * c-common.c (c_determine_visibility): Handle it here.
744 * c-decl.c (finish_decl): Call c_determine_visibility for
746 * flags.h (enum symbol_visibility): Sort from most to least visibility.
748 * varasm.c (default_assemble_visibility): Likewise.
749 * c-common.c (handle_visibility_attribute): Complain about trying
750 to give visibility to an already defined class, or trying to change
751 declared visibility. Always attach the attribute.
756 * attribs.c (decl_attributes): Ignore type-in-place attributes
757 once the type has been defined.
759 2006-06-29 Roger Sayle <roger@eyesopen.com>
762 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
763 to indicate the cpplib has issued an error message for us.
765 2006-06-29 Asher Langton <langton2@llnl.gov>
768 * config/i386/i386.c (ix86_output_function_epilogue): Don't
769 insert a label at the end of an function under Mach-O.
771 2006-06-29 Eric Christopher <echristo@apple.com>
772 Evan Cheng <evan.cheng@apple.com>
774 * predicates.md (vector_all_ones_operand): New.
775 (nonimmediate_or_sse_const_operand): Ditto.
776 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
777 * config/i386/i386.c (standard_sse_constant_opcode): Define.
778 (standard_sse_mode_p): Ditto.
779 (standard_sse_constant_p): Add case for -1 vector.
780 (ix86_expand_vector_move): Try to use.
781 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
782 Call standard_sse_constant_opcode.
783 (*movv4sf_internal): Ditto.
784 (*movv2df_internal): Ditto.
786 2006-06-29 Roger Sayle <roger@eyesopen.com>
788 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
789 of XEXP to extract the operands of a MATCH_CODE rtx.
791 2006-06-28 Andrew Pinski <pinskia@gmail.com>
793 * tree.c (tree_size): Do not waste tail padding in
794 struct tree_string and make the size be the same as
795 build_string will generate.
797 2006-06-28 Jason Merrill <jason@redhat.com>
800 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
801 may_aliases already in the tag's annotations to the bitmap.
803 2006-06-28 Roger Sayle <roger@eyesopen.com>
805 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
807 2006-06-28 Roger Sayle <roger@eyesopen.com>
809 * genpreds.c (generate_switch_p): New function.
810 (add_mode_tests): Push the new mode test down inside an AND expr
811 if this allows the switch-suitable MATCH_CODE to be near the root.
812 (write_match_code_switch): New function to write a MATCH_CODE as
814 (write_predicate_stmts): New function to write a predicate RTX
815 expression as a sequence of statements.
816 (write_one_predicate_function): Use write_predicate_stmts.
817 (write_tm_constrs_h): Likewise.
819 2006-06-26 Fred Fish <fnf@specifix.com>
821 * config/mips/t-sb1: New file.
822 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
825 2006-06-26 DJ Delorie <dj@redhat.com>
827 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
829 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
830 Jayant Sonar <jayants@kpitcummins.com>
831 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
833 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
834 (subsi3, subsi3_1, subsi3_2): New.
835 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
836 * config/m32c/mov.md (SI mov peephole): New.
837 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
838 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
840 2006-06-26 Olivier Hainque <hainque@adacore.com>
842 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
843 a CALL_EXPR target function declaration.
845 2006-06-26 Richard Guenther <rguenther@suse.de>
847 * tree.c (build_string): Do not waste tail padding in
850 2006-06-26 Richard Guenther <rguenther@suse.de>
852 * ggc-page.c (init_ggc): Add missing element to size_lookup
856 2006-06-23 Richard Guenther <rguenther@suse.de>
858 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
859 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
860 alignment requests instead. Add verification code.
861 Add struct tree_function_decl and struct tree_binfo size to
862 extra_order_size_table. Add missing element to size_lookup
865 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
868 * fold-const.c (const_binop): Be prepared for self returning zero.
869 Simplify code handling complex values.
871 2006-06-24 Olivier Hainque <hainque@adacore.com>
873 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
874 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
877 2006-06-24 Olivier Hainque <hainque@adacore.com>
879 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
880 ARRAY_REF, so have the callback called for the low bound expression.
882 2006-06-23 Janis Johnson <janis187@us.ibm.com>
884 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
885 * c-typeck.c (c_common_type): Disallow operations on decimal float
886 types and other float types.
887 * convert.c (convert_to_real): Don't ignore conversions involving
890 2006-06-23 Olivier Hainque <hainque@adacore.com>
892 * tree.c (max_int_size_in_bytes): New function, inspired from
893 code in function.c:assign_temp.
894 * tree.h (max_int_size_in_bytes): Declare.
895 * function.c (assign_temp): Use it.
896 * gimplify.c (create_tmp_var): Relax the assertions on the type
897 properties, not mandating constant size any more.
898 (force_constant_size): New static function.
899 (gimple_add_tmp_var): Use it, forcing variable size to a
900 constant upper bound if it is not constant on entry.
902 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
905 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
906 for initialization and setting of one_only flag to ...
907 (i386_pe_encode_section_info): ...here.
908 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
909 Recheck that the symbol has not been defined.
911 2006-06-23 Richard Guenther <rguenther@suse.de>
913 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
914 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
915 alignment requests instead. Add verification code.
916 Add struct tree_function_decl and struct tree_binfo size to
917 extra_order_size_table. Add missing element to size_lookup
920 2006-06-22 Roger Sayle <roger@eyesopen.com>
921 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
924 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
925 call to lang_hooks.types.type_for_mode returned NULL_TREE.
927 2006-06-23 Ben Elliston <bje@au.ibm.com>
929 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
930 negate dn -- manipulate it directly.
932 2006-06-22 Roger Sayle <roger@eyesopen.com>
933 Steven Bosscher <stevenb.gcc@gmail.com>
936 * reload1.c (gen_reload): Call mark_jump_label on the new insns
937 generated by gen_move_insn to add REG_LABEL notes if necessary.
939 2006-06-22 Bob Wilson <bob.wilson@acm.org>
941 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
942 (leaf_entry): Remove use of MIN_ESA.
944 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
946 PR rtl-optimization/28121
947 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
950 2006-06-21 DJ Delorie <dj@redhat.com>
952 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
954 (mulhisi3_r): Likewise.
956 2006-06-21 Richard Sandiford <richard@codesourcery.com>
959 * coverage.c (coverage_counter_alloc): Leave the index type
961 (coverage_counter_alloc): Use null arguments for operands 2 and 3
964 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
966 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
967 section from the "Options for Code Generation Conventions".
969 2006-06-21 Richard Henderson <rth@redhat.com>
973 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
975 (global_symbolic_operand): Allow weak symbols, even if local_p.
977 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
979 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
980 (find_interesting_uses_address): Punt if above function returns true.
982 2006-06-21 Richard Guenther <rguenther@suse.de>
984 * configure: Regenerated.
986 2006-06-21 Joseph Myers <joseph@codesourcery.com>
988 * config/mips/mips.c (function_arg): Where one part of a
989 complex argument is in registers and the other part in the stack,
990 return a REG not a PARALLEL.
992 2006-06-21 Mark Mitchell <mark@codesourcery.com>
994 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
995 when cross-compiling. Do not substitute libstdcxx_incdir.
996 * configure: Regenerated.
998 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1000 * varasm.c (mergeable_string_section): Check for embedded NULs and
1001 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1002 rather than TREE_STRING_LENGTH bytes.
1004 2006-06-21 Richard Guenther <rguenther@suse.de>
1006 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1007 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1010 2006-06-21 Richrad Guenther <rguenther@suse.de>
1012 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1013 Limit iteration over the dominators.
1015 2006-06-20 Roger Sayle <roger@eyesopen.com>
1017 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1018 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1020 2006-06-20 Richard Guenther <rguenther@suse.de>
1021 Michael Matz <matz@suse.de>
1023 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1025 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1026 * et-forest.h (et_free_pools): Prototype new function.
1027 * et-forest.c (et_free_tree_force): Free parent occurrence.
1028 (et_free_pools): New function.
1029 * dominance.c (free_dominance_info): Free et-forest alloc
1032 2006-06-20 Roger Sayle <roger@eyesopen.com>
1034 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1035 integer modes, attempt to directly construct an integer constant.
1037 * fold-const.c (native_encode_vector): Determine the size of each
1038 element from the vector type instead of the first vector element.
1040 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1041 if all of its elements/components are constant.
1042 (build_constructor_from_list): Likewise.
1044 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1046 PR tree-optimization/27331
1047 * tree-data-ref.c (free_data_ref): New function.
1048 (create_data_ref): Fail if the data reference has unknown access
1050 (free_data_refs): Use free_data_ref.
1052 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1055 * tree-inline.c (setup_one_parameter): Strip useless
1056 type conversion before adding it to the IR.
1057 (declare_return_variable): Likewise.
1059 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1062 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1064 2006-06-19 Mike Stump <mrs@apple.com>
1066 * tree.c (variably_modified_type_p): VM arguments don't make the
1069 2006-06-19 Richard Guenther <rguenther@suse.de>
1071 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1072 type conversions after folding.
1074 2006-06-19 Richard Guenther <rguenther@suse.de>
1076 * ggc-page.c (extra_order_size_tab): Add entries with
1077 size of struct function and basic_block.
1078 (size_lookup): Extend to cover sizes up to 511.
1079 (ggc_alloc_stat): Adjust user.
1080 (ggc_pch_count_object): Likewise.
1081 (ggc_pch_alloc_object): Likewise.
1082 (ggc_pch_write_object): Likewise.
1084 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1086 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1087 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1090 2006-06-19 Denis Chertykov <denisc@overta.ru>
1092 * config/avr/libgcc.S : Correct my wrong previous commit.
1094 2006-06-19 Roger Sayle <roger@eyesopen.com>
1097 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1098 have stripped a SUBREG from the shift count, so we may need to
1099 convert_to_mode back to the type's mode before calling make_tree.
1100 Use new_amount instead of amount to avoid expanding a tree twice.
1102 2006-06-19 Richard Guenther <rguenther@suse.de>
1105 * fold-const.c (operand_equal_p): Check if the argument types
1106 have the same precision before stripping NOPs.
1108 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1110 Fix PR tree-optimization/27341
1111 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1113 * tree-complex.c (pass_lower_complex): Update SMT usage.
1115 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1117 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1118 Add a new alternative to the constraint strings. Add move of
1119 operand 1 to 3 to the splitter definition.
1120 ("doloop_si_long"): Second contraint alternative removed.
1122 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1124 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1125 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1127 (AVR_HAVE_MOVW) Define.
1128 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1129 (ASM_SPEC): Add avr25.
1130 (LINK_SPEC): Add avr25.
1131 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1132 (base_arch_s): Add new member 'have_movw_lpmx'.
1133 (avr_arch_types): Init 'have_movw_lpmx'.
1134 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1135 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1136 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1137 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1138 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1140 (avr_file_start): Do not output '.arh' derective.
1141 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1142 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1143 * config/avr/avr.md (mcu_enhanced): Delete.
1144 (mcu_have_movw): Define.
1145 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1146 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1147 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1148 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1149 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1150 attiny861 and at86rf401 devices.
1152 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1154 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1157 2006-06-17 Karl Berry <karl@gnu.org>
1159 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1160 doc/gccint.texi, doc/install.texi (@dircategory): Use
1161 "Software development" instead of "Programming", following
1162 the Free Software Directory.
1164 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1166 * config/i386/i386.c (legitimate_tls_address)
1167 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1168 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1169 (*tls_dynamic_gnu2_combine_64): Likewise.
1171 2006-06-16 Richard Guenther <rguenther@suse.de>
1174 * fold-const.c (negate_expr_p): Do not introduce undefined
1175 overflow in negating INTEGER_CSTs.
1176 (fold_negate_expr): Rename from negate_expr. Revert last
1177 change for folding BIT_NOT_EXPR. Change semantics to
1178 return NULL_TREE for non-simplified negations. Do not
1179 strip type conversions and unify type handling.
1180 (negate_expr): New function, wrap around fold_negate_expr
1181 but ensure building a tree always. Strip type conversions
1182 here, fold to result type.
1183 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1185 2006-06-16 Roger Sayle <roger@eyesopen.com>
1188 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1189 that (would) return their results in stack registers.
1191 2006-06-16 Michael Matz <matz@suse.de>
1192 Richard Guenther <rguenther@suse.de>
1194 * fold-const.c (fold_truthop): Only return new tree node if
1195 we canonicalized something.
1197 2006-06-16 Richard Guenther <rguenther@suse.de>
1199 * function.h (enum function_frequency): Move declaration
1200 out of struct function.
1201 (struct function): Move bool fields and the enum to the bitfield
1202 section. Reorder elements to avoid padding. Remove unused
1203 fields left over from the RTL inliner removal.
1204 * function.c (free_after_compilation): Do not zero removed fields.
1205 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1206 (ipa-type-escape.o): Likewise.
1208 2006-06-16 Richard Guenther <rguenther@suse.de>
1210 * cgraph.h (struct cgraph_local_info): Turn bool elements
1212 (struct cgraph_node): Likewise.
1213 (struct cgraph_varpool_node): Likewise.
1215 2006-06-15 Richard Guenther <rguenther@suse.de>
1217 * fold-const.c (fold_truth_not_expr): Rename from
1218 invert_truthvalue. Give it fold_* semantics to avoid
1220 (invert_truthvalue): New function. Wrapper around
1221 fold_truth_not_expr.
1222 (optimize_minmax_comparison): Avoid creating garbage.
1223 (fold_unary): Use fold_truth_not_expr for folding
1225 (fold_ternary): Replace uses of invert_truthvalue with
1226 fold_truth_not_expr where applicable.
1227 * tree.h (fold_truth_not_expr): Prototype.
1229 2006-06-16 Richard Guenther <rguenther@suse.de>
1231 PR tree-optimization/27781
1232 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1233 * ipa-pure-const.c (target.h): Include.
1234 (analyze_function): Do not analyze functions that do not
1237 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1240 * tree-dfa.c (referenced_vars_dup_list): Remove.
1241 (find_referenced_vars): Remove assert.
1242 (referenced_var_check_and_insert): Replace dup list with assert.
1243 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1244 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1246 2006-06-15 Richard Guenther <rguenther@suse.de>
1248 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1249 extra unused identifiers if not dumping.
1250 (create_variable_info_for): Likewise.
1252 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1254 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1255 (derive_constant_upper_bound): Derive more precise upper bound in
1256 common cases. Return type changed to double_int.
1257 (record_estimate): Reflect the changed return type of
1258 derive_constant_upper_bound.
1259 * double-int.c (double_int_zext, double_int_sext): Fix.
1261 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1263 * configure.ac (CFLAGS): Get them from the toplevel or from the
1264 configure invocation.
1265 * configure: Regenerate.
1266 * Makefile.in (CFLAGS): Substitute value provided by configure.
1268 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1271 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1272 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1273 rather than calling add_stmt on it.
1274 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1276 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1279 * reload1.c (reload): Remove registers returned by update_eliminables
1280 from used_spill_regs.
1282 2006-06-13 DJ Delorie <dj@redhat.com>
1284 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1286 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1288 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1289 html__strip_dir, html__mkdir_p. Enhance install-html target.
1290 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1291 * configure: Regenerate.
1293 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1295 * fold-const.c (fold_cond_expr_with_comparison): Check for
1296 Objective-C++ as language in deciding COND_EXPR transformation.
1298 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1301 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1302 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1303 * config/sh/lib1funcs.h (SL, SL1): Define.
1304 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1305 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1306 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1307 (OBJS_Os_4_200): New variable.
1308 ($(T)libgcc-Os-4-200.a): Use it.
1309 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1310 when dividing 1 and/or by 0.
1312 2006-06-13 Roger Sayle <roger@eyesopen.com>
1314 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1315 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1316 * configure: Regenerate.
1318 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1320 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1321 for real instruction.
1323 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1326 * haifa-sched.c (check_cfg): Handle special case.
1328 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1331 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1332 Add debug_info parameter. Chain the vars to the BLOCK instead
1333 of the BIND_EXPR if debug info are requested for them.
1334 (pop_gimplify_context): Adjust for above change.
1335 (gimple_add_tmp_var): Likewise.
1336 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1338 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1339 (convert_local_reference): Likewise.
1340 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1341 (finalize_nesting_tree_1): Request that debug info be emitted
1342 for debug_var_chain.
1344 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1346 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1347 for PR target/27863.
1349 2006-06-13 Richard Guenther <rguenther@suse.de>
1352 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1354 2006-06-13 Richard Guenther <rguenther@suse.de>
1356 PR tree-optimization/27830
1357 * tree-inline.c (copy_body_r): For copying the operand
1358 of an ADDR_EXPR make sure to fold &* afterwards.
1360 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1362 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1363 lvalues in the fb_none case with side-effects.
1365 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1367 * tree-flow.h: Remove the prototype for
1368 compute_phi_arg_on_exit.
1369 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1370 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1373 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1375 * builtins.c (expand_builtin_return_addr): Only use
1376 frame_pointer_rtx when count == 0 and we are expanding
1377 __builtin_return_address.
1379 2006-06-12 Fred Fish <fnf@specifix.com>
1381 * config/mips/mips.c (mips_file_start): Create special section
1382 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1384 2006-06-11 Eric Christopher <echristo@apple.com>
1387 * stor-layout.c (place_field): Remove check for
1388 remaining_in_alignment when aligning at the end of a run.
1390 2006-06-11 Eric Christopher <echristo@apple.com>
1393 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1396 2006-06-11 Roger Sayle <roger@eyesopen.com>
1399 Revert incorrect fix for PR target/27158
1400 2006-05-08 Roger Sayle <roger@eyesopen.com>
1401 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1402 of a reg_equiv_constant if the result is a legitimate constant.
1404 2006-06-11 Roger Sayle <roger@eyesopen.com>
1407 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1408 extract a CONST_VECTOR element and interpret it as an integer.
1409 (vspltis_constant): Use const_vector_elt_as_int instead of the
1410 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1411 * config/rs6000/predicates.md (easy_vector_const): Consider
1412 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1414 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1417 * stor-layout.c (update_alignment_for_field): Don't add extra
1418 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1421 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1423 * config/mips/t-rtems: Add EL/EB multilib variants.
1425 2006-06-09 Mike Stump <mrs@apple.com>
1427 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1429 2006-06-09 David Daney <ddaney@avtrex.com>
1431 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1433 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1435 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1437 2006-06-09 Richard Guenther <rguenther@suse.de>
1439 PR tree-optimization/26998
1440 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1441 of signed types, only TYPE_MIN_VALUE is special, but for both,
1442 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1443 in this case, as is -fwrapv.
1445 2006-06-08 Mike Stump <mrs@apple.com>
1448 * config/darwin.c (darwin_asm_output_anchor): Disable
1449 -fsection-anchors on darwin for now.
1450 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1451 * rs6000/rs6000.c (optimization_options): Likewise.
1453 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1456 * config/i386/i386.c (classify_argument): Skip fields with invalid
1459 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1461 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1462 (cse_insn): Likewise for the stack_pointer_rtx.
1464 2006-06-08 Roger Sayle <roger@eyesopen.com>
1466 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1467 conditions from floating point comparisons.
1469 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1472 * expmed.c (struct alg_hash_entry): Fix type of field T
1473 to match synth_mult argument.
1474 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1476 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1479 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1482 2006-06-08 Richard Guenther <rguenther@suse.de>
1485 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1486 only, if overflow is defined and not trapping.
1487 (negate_expr): Likewise.
1489 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1491 PR tree-optimization/27872
1492 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1493 flag on the new exit edge of the unrolled loop.
1495 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1497 PR rtl-optimization/26449
1498 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1500 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1503 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1504 referenced_variables with matching DECL_UID's.
1505 (find_referenced_vars): Make sure duplicate list is empty to start.
1506 (referenced_var_p): Remove.
1507 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1508 Check if var is in the list, and add if needed. Update the duplicate
1509 list if a different var is in the list with the same DECL_UID.
1510 (add_referenced_var): Call routine to check and insert.
1511 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1512 * tree-flow.h (referenced_vars_dup_list): External declaration.
1514 2006-06-07 Fred Fish <fnf@specifix.com>
1516 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1519 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1522 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1523 the imaginary and real parts of a clobbered register.
1524 Emit insn to set the imaginary part.
1526 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1528 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1529 in lieu of unwind-dw2-fde.c.
1531 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1533 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1535 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1538 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1539 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1540 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1541 V4SImode temporaries and operations instead.
1543 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1545 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1548 2006-06-06 Mike Stump <mrs@apple.com>
1550 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1551 installing during build.
1553 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1555 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1557 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1558 * config/ia64/ia64.c (params.h): New header.
1559 (ia64_optimization_options): New function to adjust parameters.
1560 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1561 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1562 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1564 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1566 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1568 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1571 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1573 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1574 Victor Kaplansky <victork@il.ibm.com>
1576 PR tree-optimization/26360
1577 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1580 2006-06-04 Roger Sayle <roger@eyesopen.com>
1581 Andrew Pinski <pinskia@physics.uc.edu>
1584 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1585 for LABEL_DECL before calling DECL_WEAK.
1588 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1589 LABEL_DECL and PARM_DECL.
1591 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1595 * c-decl.c (grokdeclarator): Disallow variably modified types at
1596 file scope. Avoid marking shared array type of constant size as
1599 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1602 * c-common.c (fold_offsetof_1): Handle static members.
1604 2006-06-04 Eric Christopher <echristo@apple.com>
1606 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1607 (debug_rli): Output value for remaining_in_alignment.
1608 (update_alignment_for_field): Unconditionalize
1609 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1610 extra alignment code.
1611 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1612 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1613 * tree.h (record_layout_info_s): Remove prev_packed.
1614 * doc/extend.texi (ms_struct): Add documentation of format.
1616 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1618 * tree.h: Declare folding_initializer.
1619 * builtins.c (fold_builtin_constant_p): Give definite answer
1620 if folding inside an initializer.
1621 * fold-const.c: Define folding_initializer.
1622 (START_FOLD_INIT): Save and then set folding_initializer.
1623 (END_FOLD_INIT): Restore folding_initializer.
1625 2006-06-04 Richard Guenther <rguenther@suse.de>
1627 PR tree-optimization/27039
1628 * fold-const.c (fold_comparison): Handle pointer comparison
1629 again for all comparison codes. Compare offsets in signed
1631 (fold_binary): Move code from here.
1633 2006-06-03 Roger Sayle <roger@eyesopen.com>
1636 * config/i386/i386.c (construct_container): Split static issued_error
1637 flag into issued_sse_arg_error, issued_sse_ret_error and
1638 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1639 requires the use of x87 registers and the user explicitly
1640 specified the -mno-80387 command line option.
1642 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1644 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1645 HAVE_DECL_SIGALTSTACK.
1647 (segv_handler): Use MC_FLD.
1648 * configure.ac: Check for a sigaltstack declaration.
1649 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1650 * configure: Regenerate.
1651 * config.in: Regenerate.
1653 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1656 * Makefile.in (stmp-fixinc): Fix typo.
1658 2006-06-02 Roger Sayle <roger@eyesopen.com>
1660 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1661 are type correct. Clean-up.
1662 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1663 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1665 2006-06-01 DJ Delorie <dj@redhat.com>
1667 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1668 shift, as we've disabled the "switch" insn that needs it.
1670 2006-06-01 Per Bothner <bothner@bothner.com>
1672 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1673 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1674 * c-ppoutput.c (cb_define): Don't increment line 0.
1676 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1678 * doc/invoke.texi: Add cpu_type power6.
1679 * config.gcc: Add cpu_type power6.
1680 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1681 to power5+ with Altivec.
1682 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1683 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1685 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1687 * config/avr/avr.h (SET_ASM_OP): Define.
1689 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1691 * config/bfin/bfin.c: Fix comment typos.
1693 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1696 * doc/install.texi: Document --enable-bootstrap and
1697 --disable-bootstrap.
1699 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1701 * doc/install.texi: Document that InfoZIP can replace jar.
1703 2006-05-31 Roger Sayle <roger@eyesopen.com>
1705 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1706 isn't available, directly generate the simpler x87 patterns without
1707 the (use (const_int 0)).
1708 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1709 implementation isn't available.
1710 (*negdf2_1): Likewise.
1711 (*negxf2_1): XF mode negation is always done using the x87.
1712 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1714 2006-05-31 Roger Sayle <roger@eyesopen.com>
1716 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1717 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1719 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1721 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1723 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1724 * config/bfin/bfin.c (basic-block.h): Include.
1725 (struct machine_function): New.
1726 (bfin_init_machine_status): New.
1727 (override_options): Initialize init_machine_status.
1728 (bfin_hardware_loop): New.
1729 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1730 (DEF_VEC_P (loop_info)): New.
1731 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1732 (struct loop_info): New.
1733 (loop_info): New typedef.
1734 (struct loop_work): New.
1735 (loop_work): New typedef.
1736 (DEF_VEC_O (loop_work)): New.
1737 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1738 (bfin_dump_loops): New.
1739 (bfin_bb_in_loop): New.
1740 (bfin_scan_loop): New.
1741 (bfin_optimize_loop): New.
1742 (bfin_reorg_loops): New.
1743 (bfin_reorg): Use bfin_reorg_loops.
1744 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1746 (I_REGNO_P): Simplify.
1747 (DP_REGNO_P, DPREG_P): New macros.
1748 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1749 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1750 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1751 Add LT_REGS, LC_REGS, LB_REGS.
1752 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1754 (REGNO_REG_CLASS): Deal with loop registers.
1755 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1757 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1758 New constants for loop registers.
1759 (UNSPEC_LSETUP_END): New.
1760 (seq_insns): New define_attr. Set it for appropriate insns.
1761 (movsi_insn): Add alternatives for move from/to
1762 loop count registers.
1763 (doloop_end): New define_expand.
1764 (loop_end): New define_insn.
1765 (define_split for bad doloop_end): New.
1766 (lsetup_with_autoinit): New define_insn.
1767 (lsetup_without_autoinit): New define_insn.
1768 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1769 * config/bfin/predicates.md (lc_register_operand): New.
1770 (lt_register_operand): New.
1771 (lb_register_operand): New.
1772 (nondp_register_operand): New.
1773 (nondp_reg_or_memory_operand): New.
1774 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1776 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1778 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1779 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1781 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1783 * Makefile.in (CATALOGS): Add po/ prefix.
1784 * configure: Regenerated.
1786 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1789 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1790 a shift operand before calling shift_op. Avoid redundant call of
1793 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1794 DJ Delorie <dj@redhat.com>
1796 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1797 we're inserting is a singlt-bit constant.
1799 2006-05-30 Roger Sayle <roger@eyesopen.com>
1801 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1802 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1804 2006-05-30 Roger Sayle <roger@eyesopen.com>
1806 PR tree-optimization/23452
1807 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1808 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1809 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1810 complex values and with -ffast-math for FP complex values.
1812 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1814 * c-common.h: Remove the prototype for yyparse.
1815 * rtl.h: Remove the prototype for init_loop.
1817 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1819 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1822 2006-05-30 Roger Sayle <roger@eyesopen.com>
1824 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1826 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1827 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1829 2006-05-30 Dirk Mueller <dmueller@suse.de>
1832 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1833 for CONSTANT_CLASS_P expresisons.
1835 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1838 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1840 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1842 PR tree-optimization/27779
1843 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1844 initial_condition instead of CHREC_LEFT.
1846 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1848 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1849 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1850 Make prototypes ISO C90.
1852 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1853 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1855 * see.c (see_analyze_one_def): Correct check.
1856 (see_get_extension_data): Check if extension is parallel.
1857 (see_get_extension_reg): Likewise.
1859 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1862 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1863 into register for (code == GTU).
1865 2006-05-29 Roger Sayle <roger@eyesopen.com>
1867 PR tree-optimization/24964
1868 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1869 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1870 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1871 abs(x)*abs(x) as x*x for scalar floating point modes.
1873 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1876 * lambda-code.c (perfect_nestify): Don't copy statements
1877 in the inner loop: move them to the inner loop header.
1879 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1882 * c-tree.texi: Document OpenMP directives and clauses.
1884 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1886 * varasm.c (globalize_decl): Fix indentation.
1888 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1891 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1892 pass_fre, pass_store_ccp, pass_copy_prop,
1893 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1894 pass_return_slot, pass_object_size, pass_lim,
1895 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1896 pass_loop_prefetch and pass_stdarg.
1898 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1900 * config/bfin/bfin.opt (mfdpic): New option.
1901 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1902 (EXTRA_MULTILIB_PARTS): Likewise.
1903 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1904 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1906 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1907 (CRT_CALL_STATIC_FUNCTION): New.
1908 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1910 (CRT_CALL_STATIC_FUNCTION): New.
1911 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1913 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1914 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1915 (initialize_trampoline): Changed to handle FD-PIC code generation.
1916 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1917 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1918 (override_options): Disallow -mid-shared-library -mfdpic combination.
1919 Can't do unaligned ops if FD-PIC.
1920 Turn off flag_pic if trying to generate non-id-shared-library
1921 non-fdpic code, since it's not supported.
1922 (bfin_assemble_integer): New function.
1923 (TARGET_ASM_INTEGER): Define.
1924 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1926 * config/bfin/crtn.s: Restore them.
1927 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1929 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1930 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1931 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1932 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1933 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1935 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1936 FDPIC_REGS and FDPIC_FPTR_REGS.
1937 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1938 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1939 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1940 (load_funcdescsi): New pattern.
1941 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1942 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1943 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1945 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1947 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1950 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1952 * tree-flow.h: Remove the prototype for add_type_alias.
1953 * tree-ssa-alias.c (add_type_alias): Remove.
1955 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1957 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1958 config/fr30/fr30.md, config/i386/i386-interix.h,
1959 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1960 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1961 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1962 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1963 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1964 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1965 Follow spelling conventions.
1966 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1967 Follow spelling conventions.
1969 2006-05-27 Richard Guenther <rguenther@suse.de>
1972 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1973 to produce a constant of value 1 of generic type.
1975 2006-05-27 Dirk Mueller <dmueller@suse.de>
1977 * cgraphunit.c (decide_is_function_needed): Fix wrong
1980 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1982 PR rtl-optimization/27661
1983 * reload.c (find_reloads): When reloading a VOIDmode constant
1984 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1985 use Pmode as mode of the reload register.
1987 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1989 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1990 is enabled at -O and above.
1992 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1995 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1998 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2001 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2002 for anonymous variables explicitly declared by front ends.
2004 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2006 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2007 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2008 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2009 ref-all pointers, run a finalization pass for them.
2010 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2011 (finalize_ref_all_pointers): New function.
2012 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2013 regular pointer type to a ref-all pointer type.
2014 (get_tmt_for): Return the special memory tag for ref-all pointers.
2016 2006-05-25 Richard Guenther <rguenther@suse.de>
2019 * fold-const.c (fold_binary): Do not look at the stripped
2020 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2022 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2024 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2025 for LT and GT if the computed range is effectively empty.
2027 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2030 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2031 mips_quad_format formats instead of ieee_single_format,
2032 ieee_double_format and ieee_quad_format formats, respectively.
2034 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2036 PR tree-optimization/27639
2037 PR tree-optimization/26719
2038 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2039 call to scev_probably_wraps_p.
2040 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2041 used_in_pointer_arithmetic_p, convert_step): Removed.
2042 (nowrap_type_p): New function.
2043 (scev_probably_wraps_p): Rewritten.
2044 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2045 chrec_convert if chrec_convert_aggressive might have been used.
2046 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2047 scev_direction): New functions.
2048 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2049 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2050 instead of convert_step.
2051 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2052 (convert_step): Declaration removed.
2053 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2055 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2057 * df-core.c: Added to header comments.
2058 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2059 df_ur_bb_info, df_urec_bb_info): Added comments.
2060 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2061 urec, ri problems): Fixed header comments.
2062 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2063 code from df_rd_transfer_function.
2065 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2067 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2068 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2069 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2071 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2073 * expr.c (undefined_operand_subword_p): New.
2074 (emit_move_multi_word): Do not generate move from undefined bits
2075 of a paradoxical subreg.
2077 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2079 PR rtl-optimization/27736
2080 * combine.c (replaced_rhs_value): New variable.
2081 (combine_instructions): Set it.
2082 (distribute_notes): When distributing a note in replaced_rhs_insn,
2083 check whether the value was used in replaced_rhs_value.
2085 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2088 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2089 add_referenced_var instead of add_referenced_tmp_var.
2090 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2091 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2093 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2094 tree_optimize_tail_calls_1): Use add_referenced_var.
2095 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2096 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2097 Use add_referenced_var.
2098 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2099 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2100 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2101 Use add_referenced_var.
2102 * tree-dfa.c (struct walk_state): Remove.
2103 (find_referenced_vars): Remove walk state and vars_found hash table.
2104 (make_rename_temp): Use add_referenced_var.
2105 (find_vars_r): Pass less parameters to add_referenced_var.
2106 (referenced_var_p): New. Is var in referenced_var hash table.
2107 (referenced_var_insert): Assert var isn't already in hash table.
2108 (add_referenced_var): Don't need walk_state parameter. Add var if it
2109 isn't already in the hash table.
2110 (add_referenced_tmp_var): Remove.
2111 (find_new_referenced_vars_1): Use add_referenced_var.
2112 * tree-ssa-pre.c (create_expression_by_pieces,
2113 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2114 Use add_referenced_var.
2115 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2116 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2117 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2119 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2120 vect_create_data_ref_ptr, vect_create_destination_var,
2121 vect_init_vector, vect_build_loop_niters,
2122 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2123 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2124 Use add_referenced_var.
2125 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2126 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2127 (add_referenced_var): Add prototype.
2128 * tree-ssa-structalias.c (get_constraint_for,
2129 intra_create_variable_infos): Use add_referenced_var.
2131 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2133 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2134 big-endian paradoxical subregs.
2135 * var-tracking.c (struct micro_operation_def): Document that,
2136 for modify micro operations, insn is the subsequent instruction.
2137 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2138 (var_reg_set, var_mem_set): ... new functions.
2139 (add_stores): Record subsequent insn.
2140 (compute_bb_dataflow): Use new functions for MO_USE.
2141 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2142 notes after the insn, and modify notes before the insn known
2143 to be the subsequent one.
2144 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2146 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2149 * config/i386/i386.c (ix86_expand_builtin): Use
2150 gen_sse3_monitor64 for TARGET_64BIT.
2152 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2154 PR rtl-optimization/26375
2155 PR rtl-optimization/26855
2156 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2158 (df_ru_bb_local_compute): Reversed statements and removed bogus
2159 comment explaining why they should be in wrong order.
2160 (df_ru_dump, df_rd_dump): Enhanced debug info.
2161 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2163 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2164 reaching uses and fixed space problem.
2166 2006-05-23 Jan Hubicka <jh@suse.cz>
2168 * cgraphunit.c (decide_is_function_needed): Also nested functions
2169 and functions declared inline can be optimized out at -O0.
2171 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2173 * doc/install.texi (Configuration): Remove reference to CrossGCC
2177 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2180 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2181 ix86_compare_emitted is non-NULL.
2183 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2186 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2189 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2191 PR rtl-optimization/25514
2192 * combine.c (replaced_rhs_insn): New variable.
2193 (combine_instructions): Set replaced_rhs_insn when trying to replace
2194 a SET_SRC with a REG_EQUAL note.
2195 (distribute_notes): Use replaced_rhs_insn when determining the live
2196 range of a REG_DEAD register.
2198 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2199 Anatoly Sokolov <aesok@post.ru>
2201 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2202 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2203 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2204 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2205 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2206 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2207 at90usb647, at90usb1286 and at90usb1287 devices.
2208 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2209 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2211 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2213 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2215 2006-05-22 Richard Guenther <rguenther@suse.de>
2218 2006-01-31 Richard Guenther <rguenther@suse.de>
2219 Paolo Bonzini <bonzini@gnu.org>
2221 * doc/install.texi (--disable-libgcc-math): Document.
2223 2006-05-22 Richard Guenther <rguenther@suse.de>
2226 2006-01-31 Richard Guenther <rguenther@suse.de>
2228 * doc/invoke.texi (-msselibm): Document.
2229 * target.h (expand_library_builtin): New target hook.
2230 * builtins.c (expand_builtin): Use expand_library_builtin.
2231 (default_expand_library_builtin): New function.
2232 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2233 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2234 (link_gcc_math_spec): Declare.
2235 (static_specs): Add link_gcc_math_spec.
2236 * expr.h (default_expand_library_builtin): Declare.
2237 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2238 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2239 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2240 * config/i386/i386.opt (msselibm): New target option.
2241 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2242 (ix86_init_sse_abi_builtins): New function.
2243 (ix86_expand_library_builtin): Likewise.
2244 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2245 (override_options): Handle error conditions wrt -msselibm.
2246 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2247 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2248 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2251 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2254 * c-common.c (self_promoting_args_p): Skip erroneous args.
2257 * c-decl.c (finish_struct): Skip erroneous fields.
2259 2006-05-22 Nick Clifton <nickc@redhat.com>
2261 * config/cris/cris.opt (march): Remove VarExists attribute.
2262 (max-stackframe=): Likewise.
2264 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2266 * doc/rtl.texi: Fix a typo.
2267 * see.c: Fix comment typos.
2269 * tree-ssa-structalias.h (alias_info): Remove num_references.
2271 2006-05-21 Mike Stump <mrs@apple.com>
2273 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2275 (darwin_pragma_options): Use BAD instead.
2276 (darwin_pragma_unused): Likewise.
2277 (darwin_pragma_ms_struct): Likewise.
2279 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2281 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2283 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2285 PR rtl-optimization/27671
2286 * simplify-rtx.c (simplify_relational_operation_1): Fix
2287 simplifications of (eq/ne (xor x y) y) and
2288 (eq/ne (xor x y) x).
2290 PR tree-optimization/26622.
2291 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2294 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2296 * tree-cfg.c: Prune whitespace.
2297 (debug_tree_cfg): Point to correct header containing the
2300 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2303 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2305 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2308 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2309 or sorry count is non zero.
2311 2006-05-20 Andreas Schwab <schwab@suse.de>
2313 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2315 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2316 Kenneth Zadeck <zadeck@naturalbridge.com>
2318 PR rtl-optimization/26855
2320 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2322 (df_scan_alloc): Added code to properly handle multiword hard
2323 registers and add all_blocks parameter.
2324 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2325 code to properly handle multiword hard registers.
2326 (df_rescan_blocks): Added code to remove deleted blocks from
2328 (df_ref_create_structure, df_ref_record): Added code to properly
2330 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2331 and set DF_REF_PARTIAL.
2332 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2333 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2334 (df_scan_add_problem): Added flags parameter.
2335 (df_ref_create_structure): Changed switching structure.
2336 (df_bb_refs_record): Fixed case where duplicate artificial refs
2337 were created. Changed location of flags.
2338 (df_record_entry_block_defs): Added code to make stack pointer
2339 live in entry block. Refined cases where frame pointer is needed.
2340 Changed location of flags.
2341 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2342 (df_set_state): Removed function.
2343 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2344 df_insn_create_insn_record, df_insn_refs_delete,
2345 df_ref_create_structure): Formatting changes.
2346 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2347 df_delete_basic_block): New function.
2348 (df_init): Changed location of flags.
2349 (df_add_problem): Added flags parameter and the way flags are
2351 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2352 debug_df_chain): Improved debugging output.
2353 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2354 (df_refs_chain_dump): Removed df parameter.
2355 (df_iterative_dataflow): Added consistency check.
2356 (df_prune_to_subcfg): Made public.
2357 (df_analyze_problem): Added blocks_to_init parameter and made
2359 (df_ref_record, df_bb_refs_record, df_mark_reg,
2360 df_record_exit_block_uses): Whitespace changes.
2361 (df_dump): Whitespace changes.
2362 * df.h: Some reordering to remove forward references.
2363 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2364 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2365 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2366 (dataflow.flags): New field.
2367 (df.flag): Deleted field.
2368 (df_alloc_function): Added additional bitmap parameter.
2369 (df_dependent_problem_function): New type.
2370 (df_problem.changeable_flags): New field.
2371 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2372 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2373 (df_mw_hardreg): New struct.
2374 (DF_INSN_UID_MWS): New macro.
2375 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2377 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2378 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2379 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2380 (df_set_state): Removed function.
2381 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2382 * df-problems.c (df_chain_dump): Removed df parameter.
2383 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2384 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2386 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2387 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2388 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2389 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2390 DF_REF_MUST_CLOBBER cases.
2391 (df_ru_bb_local_compute_process_def,
2392 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2393 df_lr_bb_local_compute, df_ur_bb_local_compute,
2394 df_chain_create_bb): Made subreg aware.
2395 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2396 df_lr_bb_local_compute, df_lr_bb_local_compute,
2397 df_chain_create_bb): Cleanup to use proper macros.
2398 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2399 code to fixup bitvectors.
2400 (df_ri_alloc): Cleared lifetime.
2401 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2402 df_create_unused_note): New function.
2403 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2404 REG_DEAD and REG_UNUSED notes as well as register information.
2405 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2406 df_chains_dump): Fixed crash if problem was never run.
2407 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2408 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2409 df_ri_add_problem): Processes flags in uniform manner.
2410 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2411 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2412 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2413 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2414 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2415 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2416 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2417 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2418 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2419 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2420 * see.c (see_initialize_data): Ditto.
2421 * final.c (rest_of_clean_state) Added regstack_completed.
2422 * rtl.h (regstack_completed): Ditto.
2423 * reg-stack.c (regstack_completed): Ditto.
2425 2006-05-19 Mike Stump <mrs@apple.com>
2427 * c-tree.h (default_conversion): Remove.
2428 * c-common.h (default_conversion): Add.
2430 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2432 * tree-vrp.c (valid_value_p): New function.
2433 (adjust_range_with_scev): Fail if the value of bound is not
2436 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2438 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2439 (mips_fallback_frame_state): Use syscall numbers to determine
2440 the appropriate li instruction for the current ABI. Only use
2441 __NR_sigreturn for o32.
2443 2006-05-19 Nicolas Setton <setton@adacore.com>
2445 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2446 * langhooks.c (lhd_dwarf_name): New function.
2447 * langhooks-def.h (lhd_dwarf_name): Declare.
2448 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2449 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2450 * ada/misc.c (gnat_dwarf_name): New function.
2451 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2453 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2455 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2457 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2458 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2459 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2460 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2461 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2462 determine the size of Wtype, etc.
2463 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2464 (swfloatfuncs): New variable.
2465 (dwfloatfuncs): Likewise.
2466 (lib2funcs): Remove floating-point conversion functions from
2467 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2468 the set of conversion routines needed. Allow entries to specify
2469 an object name, filename and word size. Update users accordingly.
2470 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2471 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2475 2006-02-08 Roger Sayle <roger@eyesopen.com>
2478 * config/fixtfdi.c: New libgcc source file.
2479 * config/fixunstfdi.c: New source file.
2480 * config/floatditf.c: New source file.
2481 * config/floatunditf.c: New souce file.
2482 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2483 files above instead of config/mips/_tilib.c.
2484 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2486 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2488 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2489 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2491 2006-05-18 Mike Stump <mrs@apple.com>
2493 Fix up vla, vm and [*] sematics.
2499 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2500 (c_vla_unspec_p): Add.
2501 (c_vla_type_p): Add.
2502 * c-decl.c (struct c_scope): Add had_vla_unspec.
2503 (build_array_declarator): Add support for [*].
2504 (grokdeclarator): Likewise.
2505 (grokparms): Likewise.
2506 (get_parm_info): Likewise.
2507 * c-objc-common.c (c_vla_unspec_p): Likewise.
2508 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2509 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2510 typeof when argument is a variably modified type not inside sizeof or alignof.
2511 (c_parser_direct_declarator_inner): Propagate errors.
2512 (c_parser_sizeof_expression): Add support for [*].
2513 (c_parser_parms_declarator): Initialize had_vla_unspec.
2514 (c_parser_parms_list_declarator): Likewise.
2515 * c-typeck.c (c_vla_type_p): Add.
2516 (composite_type): Add support for vla compositing.
2517 (comptypes_internal): Add support for vla compatibility.
2518 (c_expr_sizeof_expr): Evaluate vla arguments.
2519 * tree.c (variably_modified_type_p): Update comment for [*].
2521 2006-05-18 Michael Matz <matz@suse.de>
2524 * config.host: Make assignments to host_xmake_file cumulative.
2525 * config.host (*-darwin*): Test $host, not $target.
2527 2006-05-12 Stuart Hastings <stuart@apple.com>
2529 * config/i386/i386.opt (-mstackrealign): New flag.
2530 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2531 (ix86_handle_cconv_attribute): Emit error when
2532 force_align_arg_pointer attribute collides with too many regparms.
2533 (ix86_function_regparm): Limit regparms when used with
2534 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2535 Support stack-realigning prologue in non-main functions. Emit
2536 warning for nested functions under -mstackrealign, emit error for
2537 nested functions with force_align_arg_pointer attribute.
2538 * doc/extend.texi (force_align_arg_pointer): Document it.
2539 * doc/invoke.texi (-mstackrealign): Document it.
2541 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2543 PR rtl-optimization/27477
2544 * combine.c (try_combine): Don't split a parallel consisting
2545 of two sets into two individual sets if both sets reference
2548 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2550 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2551 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2553 * doc/options.texi (VarExists): Updated.
2555 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2557 * unwind-dw2.c: Add declarations for uw_update_context and
2559 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2560 detected, advance frame state and context once to skip over stub.
2562 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2566 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2567 Call rewrite_into_loop_closed_ssa only when something changed.
2568 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2569 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2570 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2571 Test for perfect_nest_p here. Fix formating.
2572 (replace_uses_equiv_to_x_with_y): Fix formating.
2573 (stmt_uses_op): Removed.
2574 (can_convert_to_perfect_nest): Removed loopivs parameter.
2575 Complete the test by checking the scalar dependences.
2576 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2579 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2582 From Dan Kegel <dank@kegel.com>:
2583 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2585 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2587 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2588 if the element type is variably modified without recursing.
2590 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2593 * tree-loop-linear.c (try_interchange_loops): Test for
2594 no data dependences.
2596 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2598 PR tree-optimization/27548
2599 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2600 range of ssa names that appear on abnormal edges.
2601 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2602 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2604 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2607 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2609 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2612 * tree.h (OMP_PARALLEL_COMBINED): Define.
2613 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2614 (new_omp_context): Add is_combined_parallel argument.
2615 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2616 new_omp_context caller.
2617 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2618 Adjust gimplify_scan_omp_clauses callers.
2619 (omp_is_private): Issue errors if iteration variable is firstprivate
2620 or reduction in the current context.
2621 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2622 on combined parallel workshare constructs.
2624 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2626 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2627 (gcc-options.o): New rule.
2629 * optc-gen.awk: Protect variables for gcc-options.o with
2630 #ifdef GCC_DRIVER/#endif.
2632 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2634 Fix PR tree-optimization/27373
2635 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2636 (forward_propagate_addr_expr): Update call.
2638 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2640 * doc/options.texi: Move the Negative option.
2642 2006-05-16 Richard Guenther <rguenther@suse.de>
2644 PR tree-optimization/22303
2645 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2647 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2648 ccp_fold did not simplify the statement.
2650 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2653 * Makefile.in (GCC_OBJS): New.
2654 (OBJS-common): Add opts-common.o.
2655 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2656 (cpp$(exeext)): Likewise.
2657 (gcc.o): Also depend on opts.h.
2658 (opts-common.o): New.
2660 * common.opt (gcoff): Add Negative(gdwarf-2).
2661 (gdwarf-2): Add Negative(gstabs).
2662 (gstabs): Add Negative(gstabs+).
2663 (gstabs+): Add Negative(gvms).
2664 (gvms): Add Negative(gxcoff).
2665 (gxcoff): Add Negative(gxcoff+).
2666 (gxcoff+): Add Negative(gcoff).
2667 * config/i386/i386.opt (m32): Add Negative(m64).
2668 (m64): Add Negative(m32).
2670 * doc/options.texi: Document the Negative option.
2672 * gcc.c: Include "opts.h".
2673 (main): Call prune_options after expandargv.
2675 * optc-gen.awk: Generate common declarations for all flag
2676 variables in options.c. Output the neg_index field.
2678 * opts.c (find_opt): Moved to ...
2679 * opts-common.c: Here. New file.
2681 * opts.h (cl_option): Add a neg_index field.
2683 (prune_options): Likewise.
2685 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2688 * omp-low.c (expand_omp_parallel): Don't assert
2689 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2690 instead search for it.
2693 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2696 2006-05-16 Andreas Schwab <schwab@suse.de>
2698 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2701 2006-05-15 Roger Sayle <roger@eyesopen.com>
2704 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2705 integer constants other than zero are only legitimate on TARGET_64BIT.
2706 <CONST_VECTOR> Only zero vectors are legitimate.
2707 (ix86_cannot_force_const_mem): Integral and vector constants can
2708 always be put in the constant pool.
2710 2006-05-16 DJ Delorie <dj@redhat.com>
2712 * crtstuff.c (__dso_handle): Set section from
2713 TARGET_LBIGCC_SDATA_SECTION if defined.
2714 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2715 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2717 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2720 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2723 2006-05-16 Ben Elliston <bje@au.ibm.com>
2725 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2727 2006-05-15 Per Bothner <per@bothner.com>
2729 * tree.c: (last_annotated_node): Use source_locus typedef.
2730 This permits bootstrapping with --enable-mapped-location.
2732 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2734 PR tree-optimization/26830
2735 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2736 (info_for_ssa_name, current_info_for_ssa_name_age,
2737 blocks_to_update): New variables.
2738 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2739 (clear_ssa_name_info, initialize_flags_in_bb,
2740 mark_block_for_update): New functions.
2741 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2742 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2743 prepare_def_site_for): Use mark_block_for_update.
2744 (mark_def_interesting): Assert that the processed block is marked in
2745 blocks_to_update. Do not take blocks argument.
2746 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2748 (rewrite_update_init_block, rewrite_update_stmt): Only process
2749 blocks with statements to rewrite.
2750 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2751 (update_ssa): Initialize and free blocks_to_update. Do not
2752 clear flags on statements. Do not use blocks bitmap.
2753 * tree.h (SSA_NAME_AUX): Removed.
2754 (struct tree_ssa_name): Removed aux field.
2755 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2757 2006-05-15 Richard Guenther <rguenther@suse.de>
2759 PR tree-optimization/27603
2760 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2761 Do computations in original type.
2763 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2765 * see.c: Code style changes such as redundant paranthesis,
2766 redundant intialization of local variables etc.
2767 (see_main): Declared now as static.
2768 * doc/invoke.texi: Update that -fsee is not enabled by
2771 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2773 * omp-low.c (check_omp_nesting_restrictions): New function.
2774 (scan_omp_1): Call it.
2777 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2778 construct, return *VAR.
2780 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2782 PR rtl-optimization/27406
2783 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2786 2006-05-14 Roger Sayle <roger@eyesopen.com>
2788 PR rtl-optimization/27538
2789 * combine.c (expand_compound_operation): Call gen_lowpart
2790 before calling simplify_shift_const.
2792 2006-05-14 Roger Sayle <roger@eyesopen.com>
2794 PR rtl-optimization/22563
2795 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2796 a fixed width bitfield, always force the intermediates into psuedos.
2798 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2801 * mkconfig.sh: Use operator = instead of == for test.
2803 2006-05-13 Nick Clifton <nickc@redhat.com>
2805 * dwarf2out.c (dbx_reg_number): Check return value from
2806 LEAF_REG_REMAP and only use it if it is valid.
2807 (multiple_reg_loc_descriptor): Likewise.
2809 2006-05-13 Richard Guenther <rguenther@suse.de>
2811 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2814 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2816 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2817 information attached to non-INSNs such as NOTEs.
2818 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2820 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2822 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2824 * config/s390/s390.md: Adjust comment describing On constraint.
2826 2006-05-11 Jan Hubicka <jh@suse.cz>
2828 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2829 to be output at -O0.
2831 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2834 * fold-const.c (size_binop): Move sanity check for arguments to
2835 the beginning of the function.
2838 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2841 2006-05-11 Richard Guenther <rguenther@suse.de>
2844 * fold-const.c (fold_unary): Handle intermediate conversion
2845 to a pointer type like intermediate conversion to an integer
2846 type in folding of (T1)(T2)var to var.
2847 Match the code to the comment in the final conversion for
2848 (T1)(T2)var to (T1)var regarding to type precision. Rather
2849 than disallow T1 being of pointer type, assert that both T1
2850 and var are of pointer type or not. Make sure not to fall
2851 over the frontends lazyness wrt array to pointer decay though.
2853 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2855 * arm.c (arm_struct_value_rtx): Delete.
2856 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2857 (arm_init_cumulative_args): Always initialize nregs to zero.
2859 2006-05-10 Richard Guenther <rguenther@suse.de>
2861 PR tree-optimization/27532
2862 * tree-object-size.c (plus_expr_object_size): Fix typo.
2864 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2867 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2868 ashrdi_const, ashrdi3): Use a scratch register.
2870 2006-05-10 Richard Guenther <rguenther@suse.de>
2872 PR tree-optimization/27302
2873 * fold-const.c (operand_equal_p): For two comparisons,
2874 try comparison of one comparison code swapped if that yields
2877 2006-05-10 Ben Elliston <bje@au.ibm.com>
2879 * tree-pretty-print.c (pretty_print_string): No need to handle
2880 '\0' as a special character.
2882 * tree.h: Include "hashtab.h".
2883 (iterative_hash_expr): Use hashval_t in its prototype.
2884 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2886 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2889 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2890 (hppa*64*-*-hpux11*): Ditto.
2891 (hppa[12]*-*-hpux11*): Ditto.
2893 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2896 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2898 2006-05-09 Michael Matz <matz@suse.de>
2900 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2901 host_extra_gcc_objs and host_xmake_file.
2902 (<*-*-linux*>): Don't overwrite host_xmake_file.
2903 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2904 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2905 (host_detect_local_cpu): Declare.
2906 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2907 * config/i386/i386.c (override_options): Handle -mtune=native
2909 * config/i386/x-i386: New file.
2910 * config/i386/driver-i386.c: New file.
2911 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2914 2006-05-09 Dirk Mueller <dmueller@suse.de>
2915 Richard Guenther <rguenther@suse.de>
2918 * fold-const.c (fold_read_from_constant_string): Relax check
2919 for matching types to matching modes.
2921 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2923 PR rtl-optimization/27335
2924 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2927 2006-05-08 Chao-ying Fu <fu@mips.com>
2928 Richard Sandiford <richard@codesourcery.com>
2930 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2931 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2932 * config/mips/mips.md (UNSPEC_SCC): New constant.
2933 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2934 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2935 (mips_emit_compare): Use it.
2936 (mips_expand_vcondv2sf): New function.
2938 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2940 Fix PR tree-optimization/27093
2941 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2942 renaming when they become not-used_alone.
2944 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2946 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2947 relocation and relocation stubs.
2949 2006-05-08 Eric Christopher <echristo@apple.com>
2951 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2954 2006-05-08 Jan Hubicka <jh@suse.cz>
2957 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2958 unused static functions are needed.
2960 2006-05-08 Roger Sayle <roger@eyesopen.com>
2963 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2964 of a reg_equiv_constant if the result is a legitimate constant.
2966 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2969 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2970 standard 80387 constants, raise the cost to prevent
2971 compress_float_constant() to generate load from memory.
2973 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2975 * config/arm/constraints.md (c): Fix a typo.
2977 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2980 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2983 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2985 (_mm_mwait): Likewise.
2987 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2989 (sse3_monitor): Make it 32bit only.
2990 (sse3_monitor64): New. 64bit monitor.
2992 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2995 * config/i386/i386.c (classify_argument): Skip fields with invalid
2998 2006-05-07 Richard Guenther <rguenther@suse.de>
3000 PR tree-optimization/27409
3001 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3002 Do not try to find zero-sized subvars.
3004 2006-05-07 Richard Guenther <rguenther@suse.de>
3006 PR tree-optimization/27136
3007 * tree-ssa-loop-niter.c (get_val_for): Correct function
3008 comment, assert requirements.
3009 (loop_niter_by_eval): Stop processing if the iterated
3010 value did not simplify.
3012 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3014 * opts.c (flag_see): remove its setting at -O3.
3016 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3018 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3019 * arm/constraints.md: New file.
3020 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3021 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3022 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3023 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3024 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3025 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3026 * arm.md: Include constraints.md.
3027 (thumb_movsi_insn): Use satisfies_constraint_J.
3028 (movhi, movqi): Use satisfies_constraint_I.
3030 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3032 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3033 for atmeg a645 device.
3035 2006-05-06 Richard Guenther <rguenther@suse.de>
3037 PR tree-optimization/27151
3038 * tree-vect-transform.c (vectorizable_condition): Punt on
3039 values that have a different type than the condition.
3041 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3044 * c-parser.c (c_parser_cast_expression): Only insert casts into
3045 hash table if pointer.
3046 * function.c (used_types_insert_helper): Rename from
3048 (used_types_insert): Call used_types_insert_helper.
3049 * function.h (used_types_insert): Accept only one argument.
3051 2006-05-05 David Edelsohn <edesohn@gnu.org>
3053 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3054 scratch with output modifier.
3056 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3059 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3060 with output modifier.
3062 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3065 * config/mips/mips.c (mips_symbolic_address_p): Return true
3066 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3067 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3069 2006-05-04 Richard Guenther <rguenther@suse.de>
3071 PR tree-optimization/14287
3072 PR tree-optimization/14844
3073 PR tree-optimization/19792
3074 PR tree-optimization/21608
3075 PR tree-optimization/27090
3076 * tree-ssa-pre.c (try_combine_conversion): New function.
3077 (compute_avail): After constructing the value-handle
3078 expression, use try_combine_conversion to combine NOP_EXPRs
3079 with previous value-handle expressions and use the result if it
3082 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3084 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3086 2006-05-04 Jan Hubicka <jh@suse.cz>
3089 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3091 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3093 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3094 that this only matches CONST_INTs. All users changed to VOIDmode
3097 * config/bfin/bfin.c: Include "optabs.h".
3098 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3100 (enum bfin_builtins): Add a number of fractional and vector builtins.
3101 (bfin_init_builtins): Likewise.
3102 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3103 (safe_vector_operand, bfin_expand_binop_builtin,
3104 bfin_expand_unop_builtin): New functions.
3105 (bfin_expand_builtin): Handle the new builtins.
3106 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3109 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3112 * Makefile.in (OBJS-common): Add see.o.
3113 (see.o): Add dependencies.
3114 * common.opt (fsee): New flag for the see optimization was added.
3115 * opts.c (flag_see): Initialized.
3116 * passes.c (init_optimization_passes, pass_see): New pass.
3117 * rtl.h (see_main): Declaration as extern.
3118 * timevar.def (TV_SEE): New.
3119 * tree-pass.h (pass_see): Declaration as extern.
3120 * invoke.texi (-fsee): Document.
3121 * recog.c (validate_simplify_insn): New function.
3122 * recog.h (validate_simplify_insn): Declaration as extern.
3123 * df-problems.c (df_chain_dump): Check for NULL.
3125 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3126 Daniel Berlin <dberlin@dberlin.org>
3128 * cfgrtl.c (insert_insn_bb_end_new): New function.
3129 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3131 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3133 * df.h (struct web_entry): Moved from web.c.
3134 (union_defs): Declaration as extern.
3135 (unionfind_root): Likewise.
3136 (unionfind_union): Likewise.
3137 * web.c (struct web_entry): Moved to df.h.
3138 (unionfind_root): Remove static declaration.
3139 (unionfind_union): Likewise.
3140 (union_defs): Likewise and generalize to use callback function.
3141 (web_main): Update arguments for union_defs function call.
3143 2006-05-04 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/26447
3146 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3147 produce SSA_NAME copies before the store stmt to avoid
3148 breaking exception handling.
3150 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3153 * gimplify.c (omp_is_private): If var is shared in some outer context,
3154 return false instead of true. Stop searching on parallel context
3157 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3160 * coverage.c: Use get_gcov_unsigned_t() instead of
3161 unsigned_type_node all over.
3163 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3165 PR tree-optimization/27381
3166 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3167 maintain the same immediate_use links.
3168 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3169 node rather than segfaulting.
3171 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3174 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3175 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3176 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3178 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3180 Fix PR tree-optimization/26626
3181 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3183 * tree-ssa-operands.c (access_can_touch_variable): Allow
3184 typecasting through union pointers.
3186 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3189 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3190 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3191 to find if var will be a global variable even in the nested context.
3192 (omp_copy_decl): Only check for global variable at the end, it might
3193 be overridden in outer contexts.
3194 (scan_sharing_clauses): For global variables don't create a field.
3195 (lower_rec_input_clauses): Do nothing for global shared variables.
3196 Emit a barrier at the end of ILIST if there were any decls in both
3197 firstprivate and lastprivate clauses.
3198 (lower_send_clauses): Do nothing for global variables except for
3201 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3203 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3204 of the correct signedness is returned.
3206 2006-05-02 Jeff Law <law@redhat.com>
3208 PR tree-optimization/27364
3209 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3210 multiply expressions.
3212 2006-05-02 Tom Tromey <tromey@redhat.com>
3214 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3216 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3219 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3220 -mthumb -fPIC are used.
3222 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3223 Joshua Kinard <kumba@gentoo.org>
3226 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3227 with 64-bit pointers.
3229 2006-05-02 Paul Brook <paul@codesourcery.com>
3231 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3233 (create_fix_barrier): Check that a suitable barrier location is
3235 (arm_reorg): Include ftmp->address in allowable range of addresses.
3237 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3240 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3243 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3246 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3247 around RESULT_DECL for result passed by reference.
3248 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3249 * omp-low.c (use_pointer_for_field): Don't look at
3250 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3251 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3252 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3253 time or var for passing by reference for
3254 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3255 TREE_ADDRESSABLE variables when passing by reference.
3257 * omp-low.c (dump_omp_region): Fix output formatting.
3260 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3261 (expand_omp_parallel): Likewise.
3262 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3265 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3266 on statement list containing also constructors and destructors.
3267 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3270 * except.c (duplicate_eh_regions): Fix clearing of
3271 cfun->eh->region_array entries.
3273 2006-05-01 DJ Delorie <dj@redhat.com>
3275 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3277 (gcc_cv_objdump): Likewise.
3278 * configure: Regenerated.
3280 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3283 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3284 templates for case 3 and 4.
3286 2006-05-01 DJ Delorie <dj@redhat.com>
3288 * vec.c: Include bconfig.h when appropriate.
3289 * Makefile.in (build/vec.o): Adjust dependencies.
3290 * mkconfig.sh: Make sure config.h isn't used for build machine
3293 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3295 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3297 (mark_phi_for_rewrite): New function.
3298 (insert_phi_nodes_for, mark_use_interesting): Call
3299 mark_phi_for_rewrite.
3300 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3301 (update_ssa): Initialize and free phis_to_rewrite.
3303 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3305 PR rtl-optimization/27291
3306 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3307 folded to a constant.
3309 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3311 PR tree-optimization/27283
3312 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3313 not whole # of iteration descriptions.
3314 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3315 uses abnormal ssa name.
3316 (niter_for_single_dom_exit): Ditto.
3317 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3318 return just the number of iterations.
3320 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3322 PR tree-optimization/27144
3323 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3324 (record_estimate): Only record constant upper bound.
3325 (infer_loop_bounds_from_undefined): Call
3326 compute_estimated_nb_iterations just once.
3327 (proved_non_wrapping_p): Renamed to ...
3328 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3329 (convert_step_widening, scev_probably_wraps_p): Call
3330 n_of_executions_at_most instead of proved_non_wrapping_p.
3331 (substitute_in_loop_info): Do not replace values in bounds.
3332 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3335 2006-05-01 Richard Henderson <rth@redhat.com>
3338 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3339 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3342 2006-05-01 Roger Sayle <roger@eyesopen.com>
3344 * c-typeck.c (parser_build_binary_op): Don't call the function
3345 unsigned_conversion_warning to spot operand/result type overflow.
3346 (build_binary_op): Instead, call convert_and_check instead of
3347 convert to report the problem when the operands are promoted.
3348 * c-common.c (unsigned_conversion_warning): Make static.
3349 * c-common.h (unsigned_conversion_warning): Delete prototype.
3351 2006-05-01 Richard Guenther <rguenther@suse.de>
3353 PR tree-optimization/26726
3354 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3356 (find_interesting_uses_address): ... we work around here
3357 by folding INDIRECT_REFs in the substituted base.
3359 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3361 * omp-low.c (dump_omp_region): Add newlines.
3363 2006-04-30 Roger Sayle <roger@eyesopen.com>
3365 * common.opt (Woverflow): New command line option.
3366 * c-common.c (constant_expression_warning): Check warn_overflow.
3367 (overflow_waring): Pass OPT_Woverflow to warning.
3368 (unsigned_conversion_warning): Likewise.
3369 (convert_and_check): Likewise.
3370 * doc/invoke.texi: Document new command line option.
3372 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3374 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3375 TARGET_NO_FP_IN_TOC for section anchors.
3376 (optimization_options): Enable section anchors for all
3377 non-"Objective" languages.
3379 2006-04-28 Eric Christopher <echristo@apple.com>
3381 * config/darwin-c.c (darwin_ms_struct): Move this
3382 (darwin_set_default_type_attributes): and this...
3383 * config/darwin.c: ... here.
3384 * config/darwin.h (darwin_ms_struct): Declare.
3386 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3388 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3390 2006-04-28 Roger Sayle <roger@eyesopen.com>
3393 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3394 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3395 an unsigned HOST_WIDE_INT.
3396 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3398 (really_start_incremental_init): No need to call convert because
3399 bitsize_zero_node is already of type bitsizetype.
3400 (push_init_level): Extract the value of constructor_index as an
3401 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3402 (process_init_element): Likewise.
3404 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3406 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3407 value before passing to make_relative_prefix.
3409 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3412 * builtins.c (expand_builtin_memset): Expand val in original mode.
3414 2006-04-27 Eric Christopher <echristo@apple.com>
3416 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3417 with #ifndef/#endif.
3418 * config/darwin-c.c (darwin_ms_struct): New.
3419 (darwin_pragma_ms_struct): Ditto.
3420 (darwin_set_default_type_attributes): Ditto.
3421 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3422 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3423 Register ms_struct pragma.
3424 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3425 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3426 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3427 darwin_set_default_type_attributes if TARGET_MACHO.
3429 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3431 PR tree-optimization/26854
3432 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3433 * doc/tree-ssa.texi: Update immuse iterator documentation.
3434 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3435 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3436 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3437 first_safe_imm_use, next_safe_imm_use): Remove.
3438 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3439 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3440 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3441 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3442 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3443 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3444 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3445 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3446 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3447 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3448 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3449 (perfect_nestify): Use new iterator.
3450 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3452 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3453 (next_imm_name): New field in struct immediate_use_iterator_d.
3454 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3455 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3456 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3457 * tree-cfg.c (replace_uses_by): Use new iterator.
3458 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3459 * tree-ssa-operands.c (correct_use_link): Remove.
3460 (finalize_ssa_use_ops): No longer call correct_use_link.
3462 2006-04-27 Stuart Hastings <stuart@apple.com>
3464 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3465 * config/t-darwin (crt3.o): Use it.
3466 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3467 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3468 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3469 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3470 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3473 2006-04-27 Roger Sayle <roger@eyesopen.com>
3475 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3476 size, force the intermediate into a new pseudo rather instead of
3477 performing both a bitwise AND and a bitwise IOR in memory.
3479 2006-04-27 Richard Guenther <rguenther@suse.de>
3481 PR rtl-optimization/26685
3482 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3483 this one "max-flow-memory-locations".
3485 2006-04-27 Richard Guenther <rguenther@suse.de>
3487 PR tree-optimization/25148
3488 * tree-vrp.c (compare_values): Remove code dealing with
3489 comparisons against type min/max value. Honour overflow
3490 and negative constants in code dealing with comparisons
3491 of plus and minus expressions.
3492 (value_inside_range): Use fold_binary with LE_EXPR and
3493 GE_EXPR rather than compare_values.
3495 2006-04-27 Dirk Mueller <dmueller@suse.de>
3497 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3500 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3502 * basic-block.h (safe_insert_insn_on_edge): Removed.
3503 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3505 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3506 Paolo Bonzini <bonzini@gnu.org>
3509 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3510 (simplify_and_const_int): Same.
3512 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3514 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3516 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3519 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3520 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3521 cgraph_global_info_ready.
3524 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3527 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3528 either decl or init is error_mark_node.
3531 * tree-flow.h (struct omp_region): Add sched_kind.
3532 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3533 instead of extracting omp for data.
3534 (expand_omp_for): Save extracted sched_kind.
3536 2006-04-25 Roger Sayle <roger@eyesopen.com>
3538 * expmed.c (store_bit_field): Also check whether the bitsize is
3539 valid for the machine's "insv" instruction before moving the
3540 target into a pseudo for use with the insv.
3541 * config/i386/predicates.md (const8_operand): New predicate.
3542 * config/i386/i386.md (extv, extzv, insv): Use the new
3543 const8_operand predicate where appropriate.
3545 2006-04-25 DJ Delorie <dj@redhat.com>
3547 * doc/install.texi (Specific): Clarify that this is not a list of
3548 supported hosts or targets.
3550 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3552 PR rtl-optimization/26725
3553 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3554 block's BB_DIRTY flag.
3556 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3558 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3561 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3562 to print an integer.
3564 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3566 * varasm.c (align_variable): New function.
3567 (get_block_for_decl): Apply align_variable to DECL before
3568 calculating section information.
3569 (assemble_variable): Split out alignment computation.
3571 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3573 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3576 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3578 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3579 MODE_PARTIAL_INT mode.
3580 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3581 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3583 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3584 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3586 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3588 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3590 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3591 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3592 MACFLAG_IH): Likewise.
3593 (movstricthi_1): Renamed from "*movstricthi".
3594 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3595 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3596 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3597 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3598 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3599 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3600 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3601 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3602 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3603 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3604 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3605 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3606 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3607 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3608 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3610 * doc/rtl.texi (ss_ashift): Improve wording.
3612 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3614 * dwarf2out.c (verify_marks_clear): New.
3615 (prune_unused_types): Call verify_marks_clear initially, not
3618 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3620 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3621 * doc/rtl.texi: Document them.
3622 * simplify-rtx.c (simplify_unary_operation,
3623 simplify_binary_operation_1): Don't abort when we see them.
3625 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3628 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3629 * configure.ac: Completely disregard languages that are not
3631 * configure: Regenerated.
3633 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3634 Richard Guenther <rguenther@suse.de>
3636 PR tree-optimization/27236
3637 * tree-inline.c (copy_body_r): Make sure to copy
3638 TREE_THIS_VOLATILE flag.
3640 2006-04-24 Richard Guenther <rguenther@suse.de>
3643 * tree-complex.c (update_parameter_components): Don't handle
3644 unused parameters which have no default def.
3646 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3647 Richard Guenther <rguenther@suse.de>
3649 PR tree-optimization/27218
3650 * tree-inline.c (expand_call_inline): Strip useless type
3651 conversions for the return slot address.
3653 2006-04-24 Richard Guenther <rguenther@suse.de>
3655 * cfgloop.h (struct loops): Remove unused field array. Reorder
3657 (LOOP_PREFETCH): Remove.
3659 2006-04-24 Richard Guenther <rguenther@suse.de>
3661 PR tree-optimization/22525
3662 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3663 variable, adjust types of generated expressions.
3665 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3667 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3668 (tree-vect-patterns.o): Likewise.
3670 (cselib.o): Likewise.
3671 (loop-doloop.o): Likewise.
3672 (regclass.o): Likewise.
3673 (reload1.o): Likewise.
3674 (explow.o): Replace target.h with $(TARGET_H).
3675 (ipa-prop.o): Likewise.
3676 (ipa-cp.o): Likewise.
3677 (ipa-inline.o): Likewise.
3678 (reorg.o): Likewise.
3679 (reg-stack.o): Likewise.
3681 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3683 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3685 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3687 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3689 * configure.ac: Completely disregard languages that are not
3691 * configure: Regenerated.
3694 * c-common.h (c_build_bitfield_integer_type): Declare.
3695 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3696 * c-common.c (c_build_bitfield_integer_type): ... here.
3698 2006-04-23 Roger Sayle <roger@eyesopen.com>
3701 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3702 a SImode SUBREG of a floating point register after no_new_pseudos.
3704 2006-04-23 Roger Sayle <roger@eyesopen.com>
3706 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3707 identify potentially eliminable registers to additionally catch
3708 VIRTUAL_INCOMING_ARGS_REGNUM.
3709 (addsi3): Update the conditions on when to use addsi_small_int.
3711 2006-04-23 Roger Sayle <roger@eyesopen.com>
3714 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3715 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3716 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3718 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3720 * fold-const.c (range_predecessor): Use operand_equal_p
3721 as the predicate for equality.
3722 (range_successor): Likewise.
3724 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3727 * config/soft-fp/op-common.h: Fix a typo.
3729 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3732 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3733 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3735 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3737 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3739 * doc/tm.texi: Fix a typo.
3741 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3743 * dwarf2out.c (struct die_struct): Document that die_sib makes
3744 a circular linked list.
3745 (FOR_EACH_CHILD): New.
3746 (reverse_die_lists): Delete.
3747 (reverse_all_dies): Delete.
3748 (add_dwarf_attr): Correct documentation.
3749 (remove_child_with_prev): New.
3750 (remove_child_TAG): Update for change to die_struct, use
3751 remove_child_with_prev.
3752 (add_child_die): Update for change to die_struct.
3753 (splice_child_die): Use remove_child_with_prev and add_child_die.
3754 (print_die): Use FOR_EACH_CHILD.
3755 (die_checksum): Likewise.
3756 (assign_symbol_names): Likewise.
3757 (output_location_lists): Likewise.
3758 (build_abbrev_table): Likewise.
3759 (calc_die_sizes): Likewise.
3760 (mark_dies): Likewise.
3761 (unmark_dies): Likewise.
3762 (unmark_all_dies): Likewise.
3763 (output_die): Likewise.
3764 (prune_unused_types_mark): Likewise.
3765 (prune_unused_types_walk): Likewise.
3766 (same_die_p): Update for change to die_struct.
3767 (break_out_includes): Likewise.
3768 (prune_unused_types_prune): Likewise.
3769 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3770 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3772 (dwarf2out_finish): Don't call reverse_all_dies.
3774 2006-04-21 Eric Christopher <echristo@apple.com>
3776 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3777 in comments and function names.
3779 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3782 * c-typeck.c (digest_init): Robustify.
3784 * c-typeck.c (pop_init_level): Simplify.
3786 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3788 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3790 2006-04-21 Paul Brook <paul@codesourcery.com>
3792 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3793 hardware floating point.
3795 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3797 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3800 2006-04-21 Nick Clifton <nickc@redhat.com>
3802 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3805 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3808 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3809 C++ lang type in traceback table for Objective-C++.
3811 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3813 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3815 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3817 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3820 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3821 were errors. Remove check for erroneous objects.
3823 2006-04-20 Jeff Law <law@redhat.com>
3825 PR tree-optimization/26854
3826 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3827 checking for zero or one use.
3828 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3829 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3830 * tree-ssa-reassoc.c (negate_value): Similarly.
3831 (reassociate_bb): Similarly.
3833 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3835 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3836 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3837 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3839 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3841 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3842 fp regs if the last fp arg doesn't fit in regs.
3844 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3847 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3848 that the last insn has the REG_INC note.
3850 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3851 Nathan Sidwell <nathan@codesourcery.com>
3854 * stor-layout.c (update_alignment_for_field): Do not align
3856 (place_union_field): Place union field at the start of the union.
3857 (place_field): Move ERROR_MARK check later, and use the current
3858 allocation position to maintain monotonicity.
3860 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3862 * dominance.c: Include timevar.h.
3863 (calculate_dominance_info): Use TV_DOMINANCE.
3864 * timevar.def (TV_DOMINANCE): New timevar.
3865 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3867 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3869 PR rtl-optimization/14261
3870 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3871 move would be an INSV insn.
3872 (noce_process_if_block): Don't optimize if the destination is a
3873 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3875 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3877 * config/s390/s390.md: Add comments with the instructions emitted
3878 by an insn pattern if macros are used.
3880 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3882 PR rtl-optimization/26026
3883 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3884 is a known power of two shifted left a variable amount.
3886 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3888 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3889 to hash table twice when the debug_str section has SECTION_MERGE.
3891 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3893 * config/soft-fp: New directory. From glibc.
3894 * config/soft-fp/t-softfp: New.
3895 * config/soft-fp/README: New.
3896 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3897 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3898 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3899 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3900 * config.gcc: Use rs6000/t-fprules-fpbit or
3901 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3903 * config/rs6000/sfp-machine.h: New. Based on glibc.
3904 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3906 * config/rs6000/t-fprules: Remove fp-bit rules.
3907 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3908 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3909 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3910 (softfp_wrap_start, softfp_wrap_end): New.
3912 2006-04-18 DJ Delorie <dj@redhat.com>
3914 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3916 2006-04-18 Devang Patel <dpatel@apple.com>
3918 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3920 2006-04-18 Nick Clifton <nickc@redhat.com>
3922 * config/sh/t-symbian: Add rule to build sh-c.o
3923 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3924 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3925 (sh_symbian_encode_section_info): Likewise.
3927 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3929 * builtins.c (expand_builtin_strcmp): Cover label definition of
3930 do_libcall with HAVE_cmpstrnsi.
3932 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3934 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3936 * function.h (temp_slot_p): New.
3937 (function): Change the type of x_used_temp_slots to
3938 VEC(temp_slot_p,gc) *.
3940 2006-04-18 Nick Clifton <nickc@redhat.com>
3942 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3943 flag_strength_reduce.
3945 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3947 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3951 Partial revert of revision 112637
3952 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3953 Dale Johannesen <dalej@apple.com>
3956 * regclass.c (struct reg_pref): Update documentation.
3957 (regclass): Set prefclass to NO_REGS if memory is the best option.
3958 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3960 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3962 PR tree-optimization/26821
3963 * tree-ssa-math-opts.c (get_constant_one): New.
3964 (insert_reciprocals): Use it.
3966 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3968 * dwarf2out.c (free_AT): Delete.
3969 (remove_AT): Update string ref counts.
3970 (remove_child_TAG): Don't call free_die.
3972 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3973 or DW_TAG_GNU_EINCL.
3974 (prune_unused_types_walk_attribs): Reset string refcounts.
3975 (prune_unused_types_update_strings): New.
3976 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3977 call free_die. Do call prune_unused_types_update_strings.
3978 (prune_unused_types): Empty debug_str_hash.
3980 2006-04-17 Roger Sayle <roger@eyesopen.com>
3982 * expr.c (expand_assignment): Optimize away no-op moves where the
3983 source and destination are equal and have no side-effects.
3985 2006-04-17 Richard Guenther <rguenther@suse.de>
3988 * reload.c (push_reload): Guard calls to get_secondary_mem
3991 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3993 * alias.c (reg_base_value, old_reg_base_value): Change the
3994 type to VEC(rtx,gc) *.
3995 (REG_BASE_VALUE, find_base_value, record_set,
3996 init_alias_analysis): Use VEC instead of VARRAY.
3998 * alias.c (alias_sets): Change the type to
3999 VEC(alias_set_entry,gc) *.
4000 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4001 VEC instead of VARRAY.
4002 (last_alias_set): Remove.
4004 * cgraph.h (cgraph_edge_p): New.
4005 Update the prototype of cgraph_function_versioning.
4006 * cgraphunit.c (cgraph_copy_node_for_versioning,
4007 cgraph_function_versioning): Use VEC instead of VARRAY.
4008 * ipa-cp.c (ipcp_insert_stage): Likewise.
4010 2006-04-16 Roger Sayle <roger@eyesopen.com>
4013 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4014 "A op B" or "A op C", we may need to convert A to the type of B and C.
4016 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4018 * target.h (struct gcc_target): Add mode_rep_extended.
4019 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4020 (init_num_sign_bit_copies_in_rep): Initialize it using
4022 (truncate_to_mode): Use it.
4023 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4024 * targhooks.h (default_mode_rep_extended): Declare it.
4025 * targhooks.c (default_mode_rep_extended): Define it.
4026 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4027 default_mode_rep_extended.
4028 (TARGET_INITIALIZER): Include it.
4029 * doc/tm.texi (Misc): Document it.
4030 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4031 (mips_truncated_to_mode): New function.
4033 2006-04-16 Roger Sayle <roger@eyesopen.com>
4036 * expr.c (compress_float_constant): Copy the narrow constant into
4037 a new pseudo before extending it to its final width.
4039 2006-04-16 Roger Sayle <roger@eyesopen.com>
4040 Andrew Pinski <pinskia@gcc.gnu.org>
4041 Dale Johannesen <dalej@apple.com>
4044 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4045 special case code to implement V8HImode and V16QImode with SSE2.
4047 2006-04-15 Roger Sayle <roger@eyesopen.com>
4049 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4050 trees are constructed with a suitable tree type.
4052 2006-04-15 Roger Sayle <roger@eyesopen.com>
4054 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4055 (integer_onep): Likewise.
4056 (integer_all_onesp): Likewise.
4057 (integer_pow2p): Likewise.
4058 (integer_nonzerop): Likewise.
4059 (real_zerop): Likewise.
4060 (real_onep): Likewise.
4061 (real_twop): Likewise.
4062 (real_minus_onep): Likewise.
4063 (int_size_in_bytes): Likewise.
4064 (host_integerp): Likewise.
4066 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4068 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4069 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4070 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4072 * tree-ssa-structalias.h (alias_info): Remove num_references.
4074 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4076 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4077 (output_bvb patterns): Likewise.
4078 * pa.c (output_bb): Use 'bb' insn for long branch case.
4079 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4080 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4081 1. Correct length operand for alternatives 1 and 2.
4082 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4083 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4085 2006-04-14 Roger Sayle <roger@eyesopen.com>
4087 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4088 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4089 were accidentally reverted by r112959.
4091 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4094 * except.h (eh_region_outermost): New prototype.
4095 * except.c (eh_region_outermost): New function.
4096 * tree-cfg.c (find_outermost_region_in_block): Use it.
4098 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4100 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4102 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4103 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4104 (init_reload, reload): Use VEC instead of VARRAY.
4105 * reload.h: Update the prototype for
4106 reg_equiv_memory_loc_varray.
4108 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4109 Eric Botcazou <ebotcazou@libertysurf.fr>
4111 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4114 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4117 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4118 to expand fallback builtin function call.
4120 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4123 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4124 and emit libcall here in case the builtin fails.
4125 (expand_builtin_strcmp): Always emit the libcall here on failure.
4127 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4129 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4130 * flow.c (reg_n_info): Change the type to
4131 VEC(reg_info_p,heap) *.
4132 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4134 * regs.h (reg_info_p): New.
4135 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4136 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4137 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4140 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4142 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4144 * params.h (MAX_SCHED_READY_INSNS): New macro.
4145 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4146 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4147 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4148 the ready list for 1 cycle during the first scheduling pass.
4149 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4151 2006-04-13 Richard Henderson <rth@redhat.com>
4154 * gimple-low.c (lower_omp_directive): Remove dead code.
4155 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4156 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4157 * omp-low.c (struct omp_region): Move to tree-flow.h.
4158 (root_omp_region): Export.
4159 (omp_regions, lookup_omp_region): Remove.
4160 (determine_parallel_type): Update for struct omp_region changes.
4161 (dump_omp_region): Dump regions with block numbers.
4162 (new_omp_region): Take type and block instead of stmt; malloc
4164 (free_omp_region_1, free_omp_regions): New.
4165 (expand_parallel_call): Take entry_stmt as argument; update for
4166 changes to omp_region.
4167 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4168 (remove_exit_barriers): New.
4169 (expand_omp_parallel): Update for struct omp_region changes.
4170 (expand_omp_synch): Likewise.
4171 (expand_omp): Likewise.
4172 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4173 (expand_omp_for_static_chunk): Likewise.
4174 (expand_omp_for): Likewise.
4175 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4176 (expand_omp_sections): Similarly, with GOMP_sections_end.
4177 (expand_omp_single): New.
4178 (build_omp_regions_1): Update for OMP_CONTINUE.
4179 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4180 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4181 OMP_SECTIONS_SECTIONS.
4182 (lower_omp_single_simple): Don't emit barrier here.
4183 (lower_omp_single_copy): Likewise.
4184 (lower_omp_single): Fix bindings, and lower to straightline now.
4185 (lower_omp_master, lower_omp_ordered): Likewise.
4186 (lower_omp_critical): Likewise.
4187 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4188 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4189 omp edges, free it afterward.
4190 (make_omp_sections_edges): Remove.
4191 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4192 (move_stmt_r): Handle OMP_CONTINUE.
4193 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4194 statement pointers to basic blocks. Add type member.
4195 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4196 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4197 * tree-inline.c (estimate_num_insns_1): Likewise.
4198 * tree-pretty-print.c (dump_generic_node): Likewise.
4199 * tree-ssa-operands.c (get_expr_operands): Likewise.
4200 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4201 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4202 (OMP_CONTINUE): New.
4203 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4204 (OMP_SECTIONS_SECTIONS): Remove.
4205 (OMP_SECTION_LAST): New.
4206 (OMP_RETURN_NOWAIT): New.
4208 2006-04-13 Roger Sayle <roger@eyesopen.com>
4210 * fold-const.c (native_encode_vector, native_interpret_real):
4211 Correct obvious mistakes in the previous check-in.
4213 2006-04-13 Roger Sayle <roger@eyesopen.com>
4215 * fold-const.c (native_encode_expr): New function to encode
4216 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4217 or VECTOR_CST into a specified buffer.
4218 (native_encode_int): New function.
4219 (native_encode_real): New function.
4220 (native_encode_complex): New function.
4221 (native_encode_vector): New function.
4222 (native_interpret_expr): Inverse of native_encode_expr to convert
4223 a target representation into an INTEGER_CST, REAL_CST etc...
4224 (native_interpret_int): New function.
4225 (native_interpret_real): New function.
4226 (native_interpret_complex): New function.
4227 (native_interpret_vector): New function.
4228 (fold_view_convert_expr): New function to constant fold/evaluate
4229 a VIEW_CONVERT_EXPR of a suitable constant expression.
4230 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4231 Change call of build1 to fold_build1 when constructing a
4234 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4235 Ulrich Weigand <uweigand@de.ibm.com>
4238 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4241 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4244 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4245 optimize to lo_sum for DFmode if !TARGET_FPRS.
4247 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4249 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4250 delete_alias_info, compute_flow_sensitive_aliasing,
4251 group_aliases): Use VEC instead of VARRAY.
4252 * tree-ssa-structalias.c (update_alias_info): Likewise.
4253 * tree-ssa-structalias.h (alias_info): Change the type of
4254 processed_ptrs to VEC(tree,heap) *.
4256 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4259 * config/sh/lib1funcs.h: New file, broken out of:
4260 * config/sh/lib1funcs.asm.
4261 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4263 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4264 * config/sh/lib1funcs-Os-4-200.asm: New file.
4265 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4266 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4267 (EXTRA_MULTILIB_PARTS): Include it.
4268 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4269 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4270 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4271 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4274 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4276 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4277 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4278 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4280 * tree-ssa-live.h: Include vecprim.h.
4281 (tree_partition_associator_d): Change the type of
4282 first_partition to VEC(int,heap) *.
4283 (tpa_first_partition): Use VEC instead of VARRAY.
4285 * Makefile.in (GTFILES): Move functions.h after tree.h.
4286 * function.c (reset_block_changes, record_block_change,
4287 check_block_change, free_block_changes): Use VEC instead of
4289 * function.h (function): Change the type of
4290 ib_boundaries_block to VEC(tree,gc) *.
4291 * tree-inline.c (copy_cfg_body): Initialize
4292 ib_boundaries_block to NULL instead of (varray_type) 0.
4294 2006-04-12 Roger Sayle <roger@eyesopen.com>
4296 * expr.c (emit_group_store): Correct operand order in call to
4297 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4298 a SUBREG_BYTE of zero.
4300 2006-04-12 Richard Guenther <rguenther@suse.de>
4302 * profile.c (compute_branch_probabilities): Remove code
4303 encapsulated in !ir_type (), which are remanents of the
4304 removed RTL profiling code.
4305 * rtl-profile.c: Remove.
4307 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4309 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4310 magic NULL_RTX comment.
4311 (function_arg): Store entire fp arg to mem if any part should go
4313 (rs6000_arg_partial_bytes): Adjust for above change.
4315 2006-04-11 Roger Sayle <roger@eyesopen.com>
4317 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4318 if it hasn't been initialized by dwarf2out_init.
4320 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4322 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4323 symbolic constants in branch patterns.
4325 2006-04-11 Roger Sayle <roger@eyesopen.com>
4327 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4329 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4331 PR rtl-optimization/27073
4332 * gcse.c (try_replace_reg): Revert last change. Continue to search
4333 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4336 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4338 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4339 aggregate types other than record and union types.
4340 (function_arg): Likewise.
4341 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4343 (function_value): In 64-bit mode, return objects that require it
4346 2006-04-11 Roger Sayle <roger@eyesopen.com>
4348 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4350 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4352 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4354 2006-04-03 Jeff Law <law@redhat.com>
4357 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4358 alias information too.
4360 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4362 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4364 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4367 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4368 (premark_used_types_helper): New.
4369 (premark_used_types): New.
4370 (gen_subprogram_die): Call premark_used_types.
4371 (prune_unused_types_walk): Do not prune perennial dies.
4372 * function.c (used_types_insert): New.
4373 * function.h (struct function): Add used_types_hash field.
4374 (used_types_insert): Add prototype.
4375 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4376 * c-parser.c (c_parser_cast_expression): Save casted types in used
4379 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4382 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4383 rs6000_explicit_options.float_gprs.
4385 2006-04-10 Roger Sayle <roger@eyesopen.com>
4387 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4388 from ix86_expand_vector_init_low_nonzero. Take an additional
4389 one_var argument indicating which element is non-zero. Support
4390 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4391 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4392 with one_var instead of ix86_expand_vector_init_low_nonzero.
4394 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4396 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4397 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4398 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4399 build/genextract.o): Depend on vecprim.h.
4400 * cfglayout.c, df-problems.c, function.c, genextract.c,
4401 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4402 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4406 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4408 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4409 Declare VECs of this type.
4410 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4411 (remove_children): Delete.
4412 (add_dwarf_attr): Use VEC routines.
4413 (add_AT_flag): Update for changes to add_dwarf_attr.
4414 (add_AT_int): Likewise.
4415 (add_AT_unsigned): Likewise.
4416 (add_AT_long_long): Likewise.
4417 (add_AT_vec): Likewise.
4418 (add_AT_string): Likewise.
4419 (add_AT_die_ref): Likewise.
4420 (add_AT_fde_ref): Likewise.
4421 (add_AT_loc): Likewise.
4422 (add_AT_loc_list): Likewise.
4423 (add_AT_addr): Likewise.
4424 (add_AT_lbl_id): Likewise.
4425 (add_AT_lineptr): Likewise.
4426 (add_AT_macptr): Likewise.
4427 (add_AT_offset): Likewise.
4428 (add_AT_range_list): Likewise.
4429 (get_AT): Use VEC_iterate.
4430 (remove_AT): Use VEC_ordered_remove.
4431 (free_die): Fold remove_children into here; have it use VEC_iterate.
4432 (print_die): Use VEC_iterate on attrs.
4433 (reverse_die_lists): Don't reverse attr lists.
4434 (die_checksum): Use VEC_iterate on attrs.
4435 (same_die_p): Likewise.
4436 (output_location_lists): Likewise.
4437 (build_abbrev_table): Likewise.
4438 (size_of_die): Likewise.
4439 (unmark_all_dies): Likewise.
4440 (output_abbrev_section): Likewise.
4441 (output_die): Likewise.
4442 (prune_unused_types_walk_attribs): Likewise.
4444 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4446 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4448 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4451 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4453 2006-04-09 Roger Sayle <roger@eyesopen.com>
4455 * expr.c (store_constructor): Don't bother clearing target if
4456 we're about to assign a vector to it using vec_init_optab.
4458 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4460 * tree-ssa-alias.c (lhs_may_store_to): New function.
4461 (recalculate_used_alone): Handle LHS of calls.
4463 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4467 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4468 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4469 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4470 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4471 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4472 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4473 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4474 stubs. Add ".align 8" directives before all ".dword" directives.
4475 (GTHREAD_USE_WEAK): Revise comment.
4476 (TARGET_ATTRIBUTE_WEAK): Define.
4477 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4478 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4479 * stublib.c: New file.
4484 * pa.md (cbranch patterns): Revise arguments used in calls to
4485 output_cbranch, output_bb and output_bvd. Add long branch length
4487 (fbranch patterns): Handle long branches.
4488 (jump): Revise length check. Revise arguments for output_lbranch call.
4489 Add long branch length attributes.
4490 (decrement_and_branch_until_zero): Add long branch length attributes.
4491 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4492 Likewise. Revise arguments for output_parallel_addb and
4493 output_parallel_movb calls.
4494 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4495 output_parallel_movb and output_parallel_addb): Update prototypes.
4496 * pa.c (output_cbranch): Revise arguments. Correct handling of
4497 nullification in long branches.
4498 (output_lbranch): Add new argument to control extraction of delay
4500 (output_bb): Handle long branches.
4501 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4502 output_parallel_addb): Likewise.
4504 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4506 PR rtl-optimization/27073
4507 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4510 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4512 * tree.h (tree_memory_tag): Add old_used_alone.
4513 (SMT_OLD_USED_ALONE): New macro.
4514 * tree-ssa-alias.c (recalculate_used_alone): Stop
4515 marking things for renaming unnecessarily.
4517 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4519 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4520 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4521 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4522 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4523 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4524 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4525 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4526 spelling convensions.
4527 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4528 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4529 typos. Follow spelling conventions.
4531 2006-04-07 DJ Delorie <dj@redhat.com>
4533 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4534 passed on the stack.
4535 (m32c_init_cumulative_args): When a function returns a structure,
4536 always pass the pointer to that return area on the stack.
4537 (m32c_function_arg_advance): Don't increment the parameter number
4538 if we're processing the returned structure pointer.
4539 (pushm_info): Reverse order of registers.
4541 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4543 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4544 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4545 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4546 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4548 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4549 chrec_fold_multiply): Same.
4550 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4551 force_expr_to_var_cost): Same.
4552 * tree-mudflap.c (mf_xform_derefs_1): Same.
4553 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4555 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4557 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4558 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4561 2006-04-07 Jan Hubicka <jh@suse.cz>
4563 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4565 2006-04-07 Richard Guenther <rguenther@suse.de>
4567 PR tree-optimization/26135
4568 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4569 loads for store copy-prop.
4570 (copy_prop_visit_stmt): Likewise.
4572 2006-04-05 Robert Millan <robertmh@gnu.org>
4574 * config/i386/linux.h: Add a comment to mark macros that are
4575 being overriden in config/k*bsd-gnu.h.
4576 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4578 * config/knetbsd-gnu.h: Ditto.
4580 2006-04-06 Jan Hubicka <jh@suse.cz>
4584 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4587 2006-04-06 Mike Stump <mrs@apple.com>
4589 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4590 for HAVE_nonlocal_goto to be consistent.
4591 (expand_builtin_nonlocal_goto): Likewise.
4592 (expand_builtin_strcmp): Use #ifdef instead of #if
4593 for HAVE_cmpstrnsi to be consistent.
4595 2006-04-05 DJ Delorie <dj@redhat.com>
4597 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4600 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4602 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4603 got-relative addressing for anything but SImode.
4605 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4606 even if the calling function doesn't modify them.
4608 2006-04-05 Richard Guenther <rguenther@suse.de>
4610 PR tree-optimization/26919
4611 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4612 to cgraph_estimate_size_after_inlining.
4614 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4616 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4618 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4620 PR tree-optimization/26996
4621 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4622 VECTOR_TYPE variables.
4624 2006-04-05 Richard Guenther <rguenther@suse.de>
4626 PR tree-optimization/26763
4627 * fold-const.c (fold_comparison): Move folding of
4628 PTR + CST CMP PTR + CST ...
4629 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4631 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4633 * doc/install.texi (Prerequisites): Refine some wording on
4634 bootstrapping and ksh.
4635 Move the version numbers of DejaGnu here from the testing section
4636 and fix casing of names.
4637 Fix markup and clarify wording for autogen requirements.
4638 Refer to GCJ instead of just java.
4639 Refer to SVN instead of CVS.
4640 Describe diffutils as useful instead of necessary.
4641 (Downloading the source): Refer to SVN instead of CVS.
4642 Adjust a link to our web site accordingly.
4643 (Configuration): Fix casing of Bison.
4644 (Building): Refer to SVN instead of CVS.
4645 Fix a sentence on the use of Bison and remove duplicate (and
4646 incorrect) version number of Bison requirement.
4647 Remove one redundant list of packages needed for building.
4648 (Specific): Avoid reference to CVS.
4650 2006-04-04 Eric Christopher <echristo@apple.com>
4652 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4653 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4654 (rs6000_handle_struct_attribute): New.
4655 (rs6000_ms_bitfield_layout_p): Ditto.
4657 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4659 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4660 NULL for dso parameter to atexit_common.
4662 2006-04-04 Eric Christopher <echristo@apple.com>
4664 * config/i386/i386.c (machopic_output_stub): Output \t
4665 between instructions and operands.
4667 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4669 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4670 satisfies_constraint_[IL] to explicit tests on value.
4672 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4674 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4675 set_nb_iterations_in_loop): Use build_int_cst instead of
4677 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4678 build_int_cst instead of convert.
4680 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4682 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4683 new value 2 for incoming.
4684 * function.c (expand_function_start): Call struct_value_rtx
4686 * config/sparc/sparc.md: Comment updated_return.
4687 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4688 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4689 struct return if sparc_std_struct_return and incoming is 2.
4690 (print_operand): Do not adjust return if
4691 sparc_std_struct_return.
4693 2006-04-04 Roger Sayle <roger@eyesopen.com>
4695 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4696 convert in the middle-end.
4697 * expr.c (store_expr, store_constructor, get_inner_reference,
4698 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4700 * tree.c (build_range_type): Likewise.
4702 2006-04-04 Tom Tromey <tromey@redhat.com>
4704 * doc/install.texi (Prerequisites): Mention jar.
4706 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4708 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4711 2006-04-04 Matthias Klose <doko@debian.org>
4713 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4714 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4717 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4719 * doc/extend.texi (Function Attributes): Rewrite visibility
4720 attribute documentation.
4721 * doc/invoke.texi (C++ Dialect Options): Rewrite
4722 -fvisibility-inlines-hidden documentation to describe something
4723 entirely different, although in practise compatible.
4724 (Code Gen Options): Warn about system headers in -fvisibility=
4727 * doc/extend.texi (Other Builtins): Document that
4728 __builtin_nan is a compile-time constant only when its argument
4731 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4733 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4734 trying to remove TRUNCATE check if all bits outside the new mode
4735 are identical to the sign bit.
4737 2006-04-03 Jeff Law <law@redhat.com>
4739 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4740 and operand scanning in some common cases.
4742 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4743 Dale Johannesen <dalej@apple.com>
4746 * regclass.c (struct reg_pref): Update documentation.
4747 (regclass): Set prefclass to NO_REGS if memory is the best option.
4748 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4749 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4750 into account. For non-registers, equate an empty preferred
4751 reload class to a `!' in the constraint; move the if clause to
4752 do so after those that reject the insn.
4753 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4755 (find_dummy_reload): Likewise.
4756 * doc/tm.texi (Register Classes): Document what it means
4757 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4758 * config/i386/i386.c (ix86_preferred_reload_class): Force
4759 using SSE registers (and return NO_REGS for floating-point
4760 constants) if math is done with SSE.
4761 (ix86_preferred_output_reload_class): New.
4762 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4763 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4764 * config/i386/i386.md: Remove # register preferences.
4766 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4769 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4770 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4771 the type of nb_iter.
4772 (instantiate_parameters_1): Convert the operands before calling
4773 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4774 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4776 2006-04-02 Roger Sayle <roger@eyesopen.com>
4778 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4779 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4781 * dojump.c (do_jump): Likewise.
4782 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4783 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4784 gimplify_boolean_expr): Likewise.
4785 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4786 * varasm.c (array_size_for_constructor): Likewise.
4787 * tree-object-size.c (compute_object_offset): Likewise.
4789 2006-04-02 Roger Sayle <roger@eyesopen.com>
4792 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4793 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4795 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4797 PR tree-optimization/26939
4798 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4800 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4802 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4803 at_stmt. Convert the type of operands before calling
4804 build_polynomial_chrec.
4805 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4807 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4808 (instantiate_parameters_1): Convert the type of operands before calling
4809 build_polynomial_chrec.
4810 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4811 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4812 reset_evolution_in_loop): Insert asserts to check the types of the
4814 (chrec_type): Moved...
4815 (eq_evolutions_p): Use operand_equal_p.
4816 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4817 the types of the operands.
4818 (chrec_type): ...here.
4819 * tree-data-ref.c (create_data_ref): Convert the operands before
4820 calling chrec_replace_initial_condition.
4821 (same_access_functions, analyze_subscript_affine_affine,
4822 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4823 (compute_subscript_distance, analyze_ziv_subscript,
4824 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4825 analyze_miv_subscript): Convert the operands before calling
4826 chrec_fold_minus or chrec_fold_plus.
4828 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4830 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4831 the dependence_relations vector.
4832 (compute_data_dependences_for_loop): Adjust call to
4833 compute_all_dependences.
4835 2006-04-01 Roger Sayle <roger@eyesopen.com>
4836 Richard Henderson <rth@redhat.com>
4838 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4839 gimple_boolify on the condition before calling gimplify_expr.
4841 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4843 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4844 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4845 the frame size. Update to use the new macros.
4846 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4847 * config/xtensa/ieee754-df.S: Likewise.
4849 2006-03-31 Richard Henderson <rth@redhat.com>
4851 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4852 (make_edges): ... here. Control fallthru creation with a local
4853 variable. Do not play with fake edges.
4854 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4855 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4858 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4860 * dwarf2.h (DW64_CIE_ID): Define.
4861 * dwarf2out.c (DWARF_CIE_ID): Define.
4862 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4863 length header. Use DWARF_CIE_ID.
4864 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4865 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4867 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4869 * config/sh/linux-atomic.asm: New file.
4870 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4872 2006-03-31 DJ Delorie <dj@redhat.com>
4874 * config/m32c/cond.md: Set condition flags properly throughout.
4875 * config/m32c/minmax.md: Likewise.
4876 * config/m32c/prologue.md: Likewise.
4877 * config/m32c/bitops.md: Likewise.
4878 * config/m32c/muldiv.md: Likewise.
4879 * config/m32c/mov.md: Likewise.
4880 * config/m32c/addsub.md: Likewise.
4881 * config/m32c/m32c.md: Likewise.
4882 * config/m32c/jump.md: Likewise.
4883 * config/m32c/shift.md: Likewise.
4885 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4886 conditionally output the pattern for this.
4887 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4888 (m32c_compare_redundant): New.
4889 (m32c_output_compare): New.
4890 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4892 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4893 dest, not src. Allow other 4-byte modes.
4895 2006-03-30 Denis Chertykov <denisc@overta.ru>
4897 * doc/md.texi: Refer to avr/constraints.md instead of
4900 2006-03-30 Roger Sayle <roger@eyesopen.com>
4902 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4903 signed vs. unsigned comparison failures on some hosts.
4905 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4908 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4909 change to FLOAT_REGS.
4911 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4912 (rs6000_override_options): Use it.
4913 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4914 only for -mabi=spe/no-spe and -mabi=altivec.
4916 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4918 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4921 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4923 * Makefile.in: Rename docdir to gcc_docdir.
4925 2006-03-30 Roger Sayle <roger@eyesopen.com>
4928 * expr.c (emit_group_store): Optimize group stores into a pseudo
4929 register by using a paradoxical subreg to initialize the destination
4930 if the first or last member of the group specifies a "low part".
4932 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4935 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4936 * target.h (struct gcc_target.speculate_insn): Change type of the
4937 second parameter to 'int'.
4938 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4939 the second operand of the DEPS_LIST.
4940 (copy_DEPS_LIST_list): Update reference to the second operand of the
4942 * rtl.h (alloc_DEPS_LIST): Update signature.
4943 * sched-int.h (ds_t): Change typedef to 'int'.
4944 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4946 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4948 * haifa-sched.c (try_ready): Change condition to restore
4949 non-speculative pattern of the instruction.
4950 (process_insn_depend_be_in_spec): Code to keep probability of the
4951 speculative dependence non-decreasing.
4953 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4955 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4956 (single_move_for_movmem): ... this. Also change all uses.
4957 (bfin_expand_strmov): Renamed to...
4958 (bfin_expand_movmem): ... this. Also change all uses.
4959 * config/bfin/bfin.md (movstrsi): Renamed to...
4960 (movstrsi): ...this.
4962 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4964 PR tree-optimization/26830
4966 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4967 (copy_prop_visit_stmt): Remove write-only variable ann.
4968 (init_copy_prop): Check variable loop depth here. Do not simulate
4969 memory-tag and virtual operand PHIs except for store copy prop.
4971 2006-03-30 Richard Guenther <rguenther@suse.de>
4973 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4974 variants with double arguments.
4976 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4978 * genpreds.c (write_tm_constrs_h): Delete variable p.
4979 * genconditions.c (write_header): Add tm-constrs.h to included
4981 * genpeep.c (main): Add toplev.h to included headers.
4982 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4983 (build/genpeep.o): Add toplev.h dependency.
4984 * config/rs6000/constraints.md: Add "W" constraint.
4986 2006-03-29 Roger Sayle <roger@eyesopen.com>
4988 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4989 sizes by correctly testing whether the size fits a host integer.
4990 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4991 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4992 SImode range for the default sizetype and bitsizetype.
4994 2006-03-29 Roger Sayle <roger@eyesopen.com>
4996 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4997 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4998 quickly if the argument is already of the correct type.
4999 Call fold_build1 instead of build1. Tidy up blank lines.
5001 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5003 * genemit.c (main): Add tm-constrs.h to included headers.
5004 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5005 * genpeep.c (main): Add tm-constrs.h to included headers.
5006 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5007 (write_tm_constrs_h): this and write complete file.
5008 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5009 (write_insn_preds_c): Add tm-constrs.h to included headers.
5010 (gen_constrs): New variable.
5011 (parse_option): Parse "-c".
5012 (main): Invoke write_tm_constrs_h.
5013 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5014 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5015 (object_out_file): Add tm-constrs.h dependency.
5016 (insn-emit.o): Same.
5017 (insn-output.o): Same.
5018 (insn-peep.o): Same.
5019 (insn-preds.o): Same.
5020 (insn-recog.o): Same.
5021 (tm-constsr.h): New target.
5022 (s-constrs-h): New target.
5024 * config/rs6000/constraints.md: New file.
5025 * config/rs6000/rs6000.c: Include tm-constrs.h.
5026 (num_insn_constant_wide): Convert to satisfies_constraint.
5027 (rs6000_rtx_costs): Convert to satisfies_constraint.
5028 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5029 (CONST_OK_FOR_LETTER_P): Delete.
5030 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5031 (EXTRA_CONSTRAINT): Delete.
5032 (EXTRA_MEMORY_CONSTRAINT): Delete.
5033 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5034 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5035 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5036 satisfies_constraint.
5038 * config/i386/i386.c: Include tm-constrs.h.
5040 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5042 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5043 * tree-data-ref.c (find_data_references_in_loop,
5044 compute_data_dependences_for_loop): Use pointers to VEC.
5045 (analyze_all_data_dependences): Adjust calls.
5046 * tree-data-ref.h (find_data_references_in_loop,
5047 compute_data_dependences_for_loop): Adjust declarations.
5048 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5049 compute_data_dependences_for_loop.
5051 2006-03-29 Paul Brook <paul@codesourcery.com>
5053 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5056 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5058 PR tree-optimization/26859
5059 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5061 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5062 for the step after fold_convert.
5064 2006-03-29 Paul Brook <paul@codesourcery.com>
5066 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5067 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5069 2006-03-29 Paul Brook <paul@codesourcery.com>
5072 * targhooks.c (default_narrow_bitfield): New fuction.
5073 * targhooks.h (default_narrow_bitfield): add prototype.
5074 * target.h (gcc_target): Add narrow_volatile_bitfield.
5075 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5076 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5077 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5078 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5080 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5082 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5084 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5085 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5086 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5087 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5088 (s390_function_arg_float): Allow SDmode and DDmode values to be
5089 passed in floating point registers.
5090 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5091 check with SCALAR_FLOAT_MODE_P.
5092 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5094 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5096 PR tree-optimization/25985
5097 * tree-ssa-loop-niter.c (number_of_iterations_le,
5098 number_of_iterations_ne): Make comments more precise.
5099 (number_of_iterations_cond): Add only_exit argument. Use the
5100 fact that signed variables do not overflow only when only_exit
5102 (loop_only_exit_p): New.
5103 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5104 number_of_iterations_cond.
5106 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5108 PR tree-optimization/26643
5109 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5112 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5114 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5115 (divsi3_i4_int): Likewise.
5117 2006-03-28 Roger Sayle <roger@eyesopen.com>
5119 * expr.c (emit_group_store): Only create a new pseudo reg if the
5120 quantity it needs to hold isn't already a suitable pseudo.
5122 2006-03-28 Jeff Law <law@redhat.com>
5124 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5125 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5127 2006-03-28 Roger Sayle <roger@eyesopen.com>
5129 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5130 the equivalent ~X & Y, and the symmetry related transformations.
5131 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5132 ~X & Y, and symmetry related transforms.
5134 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5136 Revert my 2006-03-27 patches.
5138 2006-03-28 Roger Sayle <roger@eyesopen.com>
5140 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5141 ~(T1)X, when T1 and T2 are integer types of the same precision
5142 and (T2)X isn't an extension.
5144 2006-03-28 Jeff Law <law@redhat.com>
5146 PR tree-optimization/26796
5147 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5148 need EH edge cleanups rather than purging them immediately.
5149 (eliminate_degenerate_phis): Handle queued EH cleanups.
5151 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5153 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5156 2006-03-27 Roger Sayle <roger@eyesopen.com>
5159 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5160 cast BIT_NOT_EXPR operand to the correct type.
5162 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5164 * tree-loop-linear.c: Don't include varray.h.
5165 (gather_interchange_stats, try_interchange_loops,
5166 linear_transform_loops): Use VEC instead of VARRAY.
5167 * lambda-mat.c: Don't include varray.h.
5168 * tree-chrec.c: Same.
5169 * lambda-trans.c: Same.
5170 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5171 VEC instead of VARRAY.
5172 * tree-vectorizer.h: Idem.
5173 * tree-data-ref.c (dump_data_references,
5174 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5175 initialize_data_dependence_relation, finalize_ddr_dependent,
5176 compute_all_dependences, find_data_references_in_loop,
5177 compute_data_dependences_for_loop, analyze_all_data_dependences,
5178 free_dependence_relation, free_dependence_relations,
5179 free_data_refs): Idem.
5180 * tree-data-ref.h (data_reference_p, subscript_p): New.
5181 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5182 VEC instead of VARRAY.
5183 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5184 (find_data_references_in_loop, compute_data_dependences_for_loop,
5185 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5186 dump_data_dependence_relations, free_dependence_relations,
5187 free_data_refs): Adjust declaration.
5188 (lambda_transform_legal_p): Move declaration here...
5189 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5190 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5191 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5192 vect_analyze_data_refs): Use VEC instead of VARRAY.
5193 * lambda.h (lambda_transform_legal_p): ...from here.
5194 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5195 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5196 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5197 tree-chrec.o): Don't depend on VARRAY_H.
5199 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5201 * rtl.def (Copyright): Update date.
5202 (DEPS_LIST): Change type of the second operand to 'int'.
5203 * target.h (Copyright): Update date.
5204 (struct gcc_target.speculate_insn): Change type of the second parameter
5206 * lists.c (Copyright): Update date.
5207 (alloc_DEPS_LIST): Change signature. Update reference to the second
5208 operand of the DEPS_LIST.
5209 (copy_DEPS_LIST_list): Update reference to the second operand of the
5211 * rtl.h (Copyright): Update date.
5212 (alloc_DEPS_LIST): Update signature.
5213 * sched-int.h (Copyright): Update date.
5214 (ds_t): Change typedef to 'int'.
5215 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5217 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5219 * haifa-sched.c (Copyright): Update date.
5220 (try_ready): Change condition to restore non-speculative pattern
5222 (process_insn_depend_be_in_spec): Code to keep probability of the
5223 speculative dependence non-decreasing.
5225 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5227 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5228 shut up the compiler.
5230 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5232 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5233 to use lib prefix for target.
5234 ($(T)libic_invalidate_array_4-200.a): Likewise.
5235 ($(T)libic_invalidate_array_4a.a): Likewise.
5237 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5238 J"orn Rennecke <joern.rennecke@st.com>
5240 * superh.opt: New file.
5241 * sh.c (boardtype, osruntime): Remove.
5242 * superh.h (SUBTARGET_OPTIONS): Remove.
5243 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5245 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5246 arguments with ^ and/or [].
5248 * config.gcc (sh-*-*): Add quoting to account for quirk of
5250 Replace == with = in enable_incomplete_targets test.
5252 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5253 with MASK_LITTLE_ENDIAN.
5255 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5256 * config/sh/sh.opt: Added to some comments.
5257 * config/sh/superh.h: Removed some chaff.
5259 * config/sh/sh.opt: Add m4-[1234]00* options.
5260 * config/sh/sh.c (sh_handle_option): Likewise.
5261 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5262 (ic_invalidate_array_4-100.o): New rule.
5263 ($(T)libic_invalidate_array_4-100.a): Likewise.
5264 (ic_invalidate_array_4-200.o): Likewise.
5265 ($(T)libic_invalidate_array_4-200.a): Likewise.
5266 (ic_invalidate_array_4a.o): Likewise.
5267 ($(T)libic_invalidate_array_4a.a): Likewise.
5268 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5269 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5271 * config/sh/crt1.asm: Merged in profiling code.
5272 * config/sh/superh.h (STARTFILE_SPEC): Override.
5273 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5274 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5275 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5277 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5278 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5279 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5281 * sh.opt (mpretend-cmove): New option.
5282 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5283 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5284 (movsicc): Add TARGET_PRETEND_CMOVE code.
5286 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5288 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5289 s390_class_max_nregs): New function prototypes.
5290 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5291 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5292 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5293 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5295 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5297 * dwarf2out.c (add_location_or_const_value_attribute): Call
5298 tree_add_const_value_attribute if nothing else works.
5299 (reference_to_unused): New.
5300 (rtl_for_decl_init): Use reference_to_unused to decide whether
5301 to output an initializer.
5303 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5306 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5307 peephole removing spe frob_di_df_2.
5309 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5311 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5312 (subscript_dependence_tester_1): Declared.
5313 (print_dir_vectors, print_dist_vectors): New.
5314 (debug_data_dependence_relation): New.
5315 (dump_data_dependence_relation): Print more details.
5316 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5317 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5318 (save_dist_v, save_dir_v, add_outer_distances,
5319 build_classic_dist_vector_1): New.
5320 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5321 Don't test for lambda_vector_lexico_pos.
5322 (same_access_functions, add_multivariate_self_dist,
5323 add_other_self_distances, dir_from_dist): New.
5324 (build_classic_dir_vector): Replace implementation almost identical to
5325 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5327 (subscript_dependence_tester_1): New.
5328 (subscript_dependence_tester): Handle the lexicographically negative
5329 distance vectors by recomputing the dependence relation.
5330 (compute_affine_dependence): Remove parameter loop_nest_depth.
5331 (compute_self_dependence): Don't call compute_subscript_distance.
5332 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5333 Add a parameter for the loop_nest.
5334 (find_loop_nest_1, find_loop_nest): New.
5335 (compute_data_dependences_for_loop): Compute the loop nest, and give
5336 up if the nest is not well formed.
5337 * tree-data-ref.h (loop_p): New.
5338 (struct data_dependence_relation): Replace size_vect field with
5339 loop_nest, a vec of loops.
5340 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5341 (DDR_LOOP_NEST): New.
5342 (print_dir_vectors, print_dist_vectors,
5343 debug_data_dependence_relation): Declared.
5344 (index_in_loop_nest): New.
5345 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5346 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5349 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5351 * simplify-rtx.c (simplify_relational_operation): Call
5352 simplify_relational_operation_1 even if mode is VOIDmode.
5354 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5356 PR tree-optimization/26804
5357 * tree.h (DECL_CALL_CLOBBERED): New macro.
5358 (tree_decl_common): Add call_clobbered_flag.
5359 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5360 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5361 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5362 (mark_non_addressable): Ditto.
5363 * tree-ssa.c (verify_call_clobbered): New function.
5364 (verify_alias_info): Use it.
5365 * tree-pass.h (pass_reset_cc_flags): New prototype.
5366 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5367 (reset_cc_flags): New function.
5368 * passes.c (init_optimization_passes): Call reset_cc_flags after
5369 initializing referenced_vars.
5371 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5372 Roger Sayle <roger@eyesopen.com>
5375 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5376 to 1.0 for non-real operands. Implement A / A optimization for
5379 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5381 * config/i386/i386.c (size_cost): Correct the comment for
5382 cost of storing fp registers.
5383 (i386_cost): Likewise.
5384 (i486_cost): Likewise.
5385 (pentium_cost): Likewise.
5386 (pentiumpro_cost): Likewise.
5387 (k6_cost): Likewise.
5388 (athlon_cost): Likewise.
5389 (k8_cost): Likewise.
5390 (pentium4_cost): Likewise.
5391 (nocona_cost): Likewise.
5392 (generic64_cost): Likewise.
5393 (generic32_cost): Likewise.
5395 2006-03-24 Denis Chertykov <denisc@overta.ru>
5397 * config/avr/avr-protos.h (extra_constraint): Delete.
5398 (extra_constraint_Q): New declaration.
5399 * config/avr/constraints.md: New file.
5400 * config/avr/avr.md: Include it.
5401 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5402 (TMP_REGNO, ZERO_REGNO): Likewise.
5403 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5404 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5405 (extra_constraint): Delete.
5406 (extra_constraint_Q): Test for memory constraint 'Q'.
5407 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5408 (REG_CLASS_FROM_LETTER): Delete.
5409 (CONST_OK_FOR_LETTER_P): Delete.
5410 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5411 (EXTRA_CONSTRAINT): Delete.
5412 (TMP_REGNO): Delete.
5413 (ZERO_REGNO): Delete.
5415 2006-03-24 Jeff Law <law@redhat.com>
5417 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5418 directly. Call mark_new_vars_to_rename slightly earlier.
5420 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5422 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5424 (gen_compile_unit_die): Use new language types for Objective-C and
5426 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5427 DW_LANG_C_plus_plus.
5430 * config/t-darwin (crt3.o): Work around bug 26840.
5431 * config/darwin-crt3.c: Rewrite.
5432 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5434 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5436 * doc/invoke.texi: Document -femit-class-debug-always
5437 * common.opt: Add -femit-class-debug-always.
5439 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5441 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5442 index and base register.
5443 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5444 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5445 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5446 REGNO_OK_FOR_INDEX_P.
5447 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5449 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5450 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5451 REG_OK_FOR_BASE_P): Definitions removed.
5453 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5456 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5457 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5458 set yet or weren't marked as local yet.
5460 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5462 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5465 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5467 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5468 (rs6000_legitimate_small_data_p): Delete.
5469 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5470 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5471 and make static. Add forward declaration. Update uses.
5472 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5473 of offsettable_memref_p.
5474 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5475 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5477 2006-03-24 Jeff Law <law@redhat.com>
5479 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5480 around bug in immediate-use iterator.
5482 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5485 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5486 or __LITTLE_ENDIAN__.
5488 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5490 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5491 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5492 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5493 * config/sh/sh.opt (mdiv=): Amend description.
5494 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5495 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5496 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5497 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5498 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5499 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5500 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5501 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5502 TARGET_DIVIDE_CALL_FP.
5504 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5506 * haifa-sched.c (choose_ready): Fix type of the local variable.
5507 Move local variables. Add comment.
5508 (check_reg_live): Change signature. Make callable from debugger.
5509 * sched-int.h (check_reg_live): Update signature.
5510 * sched-ebb.c (check_reg_live): Update parameters.
5511 * sched-rgn.c (check_reg_live): Ditto.
5512 (region_head_or_leaf_p): Check pointer before dereferencing.
5513 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5514 before reload on optimization levels below 1.
5516 2006-03-23 Richard Henderson <rth@redhat.com>
5518 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5522 * config/alpha/predicates.md (local_symbolic_operand): Reject
5525 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5528 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5529 expressions which have overflowed constants.
5531 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5533 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5535 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5537 * cfgloopmanip.c (create_loop_notes): Removed.
5538 * final.c (final_scan_insn): Do not handle loop notes.
5539 * jump.c (squeeze_notes): Ditto.
5540 * cfglayout.c (skip_insns_after_block,
5541 duplicate_insn_chain): Ditto.
5542 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5544 * cfgloop.h (create_loop_notes): Declaration removed.
5546 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5548 * varasm.c (output_constant_pool): Restore fnname and fndecl
5550 (assemble_start_function): Adjust call accordingly.
5551 (assemble_end_function): Likewise.
5553 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5556 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5559 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5561 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5564 * system.h (ICE_EXIT_CODE): New macro.
5565 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5566 (diagnostic_action_after_output): Likewise.
5567 * gcc.c (fatal_ice): New function.
5568 (execute): Use it instead of fatal.
5569 (fancy_abort): Likewise.
5570 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5572 2006-03-22 Jeff Law <law@redhat.com>
5574 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5575 iv_analyze_result returning false.
5577 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5579 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5581 2006-03-22 Richard Henderson <rth@redhat.com>
5584 * except.c (duplicate_eh_regions_0): New.
5585 (duplicate_eh_region_1): Duplicate the children of the node as
5586 well as the node itself. Link them up properly.
5587 (duplicate_eh_region_2): Merge into ...
5588 (duplicate_eh_regions): ... here. Take copy_region argument, and
5589 copy only a sub-tree if asked. Simplify copying and fixup.
5590 (eh_region_outer_p): New.
5591 * except.h (duplicate_eh_regions): Update decl.
5592 (eh_region_outer_p): Declare.
5593 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5594 (lower_omp_master): Likewise.
5595 (lower_omp_ordered): Likewise.
5596 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5597 (move_stmt_r): Use it to remap labels. Handle recursion vs
5598 remap_decls_p properly.
5599 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5600 (find_outermost_region_in_block): New.
5601 (new_label_mapper): New.
5602 (move_sese_region_to_fn): Copy eh information to the new function
5604 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5606 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5609 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5611 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5612 into shared libraries.
5614 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5616 * doc/md.texi: Refer to i386/constraints.md instead of
5618 * config/i386/constraints.md: New file, extracted from...
5619 * config/i386/predicates.md: ...here.
5620 * config/i386/i386.md: Include constraints.md.
5622 2006-03-21 Jason Merrill <jason@redhat.com>
5624 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5627 * expr.c (init_block_move_fn): Force default visibility.
5628 (init_block_clear_fn): Likewise.
5629 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5630 * targhooks.c (default_external_stack_protect_fail): Likewise.
5632 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5634 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5635 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5636 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5637 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5638 (loadgp): Use mips_current_loadgp_style.
5639 (loadgp_noshared): New pattern.
5640 (sibcall_internal): Use MIPS_CALL.
5641 (sibcall_value_internal): Likewise.
5642 (sibcall_value_multiple_internal): Likewise.
5643 (call_internal): Likewise.
5644 (call_value_internal): Likewise.
5645 (call_value_multiple_internal): Likewise.
5646 (call_split): Use MIPS_CALL and add an 'S' constraint.
5647 (call_value_split): Likewise.
5648 (call_value_multiple_split): Likewise.
5649 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5650 (-mshared): New option.
5651 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5652 (mips_current_loadgp_style): Declare.
5653 * config/mips/mips.c (mips_classify_symbol): Avoid using
5654 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5655 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5656 TARGET_ABSOLUTE_ABICALLS.
5657 (override_options): Adjust comments. Improve the warning that is
5658 issued when -mabicalls and -G are used together.
5659 (mips_file_start): Remove comment.
5660 (mips_current_loadgp_style): New function.
5661 (mips_gnu_local_gp): New variable.
5662 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5664 (mips_output_function_prologue): Use mips_current_laodgp_style.
5665 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5666 the cprestore instruction.
5667 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5668 live for TARGET_ABSOLUTE_ABICALLS.
5669 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5670 (ASM_SPEC): Pass down -mshared and -mno-shared.
5671 (MIPS_CALL): New macro.
5672 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5674 * doc/invoke.texi (-mabicalls): Update documentation.
5675 (-mshared): Document.
5677 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5679 * config/ia64/unwind-hpux.c: New file.
5680 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5682 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5685 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5687 2006-03-21 Jeff Law <law@redhat.com>
5689 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5690 type conversions of a VR_VARYING source to a wider type.
5692 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5694 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5695 tm_file on Solaris 10 and later.
5696 (sparc64-*-solaris2*): Likewise.
5697 (sparc-*-solaris2*): Likewise.
5698 * config/sol26.h: Rename to config/sol2-6.h.
5699 * config/sol2-10.h: New file.
5701 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5704 * tree-ssa-pre.c (create_component_ref_by_pieces):
5707 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5710 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5711 return it immediately.
5713 2006-03-21 Michael Matz <matz@suse.de>
5715 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5717 (remove_arc, add_arc): Update num_out_arcs member.
5718 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5720 (cache_presence): New function.
5721 (compare_states_for_equiv): New function.
5722 (state_is_differed): Don't take number of outargs, adjust callers.
5723 Use new invariant for speeding up.
5724 (init_equiv_class): Create initial classes based on sorted
5726 (partition_equiv_class): Don't track out_arcs_num.
5727 (evaluate_equiv_classes): Call cache_presence on all states and
5730 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5732 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5733 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5734 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5735 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5737 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5738 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5739 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5740 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5741 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5743 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5744 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5745 (REGNO_REG_CLASS): ARGP is in PREGS.
5746 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5748 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5749 to deal with those addresses.
5750 * addresses.h: New file.
5751 * caller-save.c: Include "addresses.h".
5752 (init_caller_save): Use new base_reg_class function.
5753 * rtl-factoring.c: Include "addresses.h".
5754 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5755 * recog.c: Include "addresses.h".
5756 (preprocess_constraints): Use new base_reg_class function.
5757 * regrename.c: Include "addresses.h".
5758 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5759 functions. Keep track of a new var INDEX_CODE to compute valid
5761 (replace_oldest_value_addr): Likewise.
5762 (replace_oldest_value_mem): Use base_reg_class.
5763 * reload.c: Include "addresses.h".
5764 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5765 (find_reloads): Use new base_reg_class function.
5766 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5767 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5768 all callers and prototype changed.
5769 * reload1.c: Include "addresses.h".
5770 (maybe_fix_stack_asms): Use base_reg_class.
5771 * regclass.c: Include "addresses.h".
5772 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5773 (init_reg_autoinc): Use new base_reg_class function.
5774 (record_reg_classes): Likewise.
5775 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5776 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5777 Use new args to compute necessary class.
5779 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5780 regrename.o, rtl-factoring.o): Update dependencies.
5781 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5782 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5783 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5784 REG_OK_FOR_INDEX_P): Delete documentation.
5786 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5788 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5789 from V7 to V9 for Solaris 7 and above.
5791 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5793 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5794 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5795 argument pointers may not alias any other storage.
5796 * common.opt: Define option -fargument-noalias-anything.
5797 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5798 alias semantics is specified by flag_argument_noalias > 2.
5800 2006-03-20 Jeff Law <law@redhat.com>
5802 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5803 (pass_phi_only_cprop): Declare.
5804 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5806 * tree-ssa-dom.c (degenerate_phi_result): New function.
5807 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5808 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5809 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5810 (eliminate_degenerate_phis): Likewise.
5811 (pass_phi_only_cprop): New pass descriptor.
5812 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5813 support code. Callers updated.
5814 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5815 (store_copy_prop): Likewise.
5816 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5818 2006-03-20 Jason Merrill <jason@redhat.com>
5821 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5822 (push_visibility, pop_visibility): Likewise.
5823 * c-pragma.h: Declare them.
5825 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5827 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5829 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5830 parameter and use get_ebb_head_tail.
5831 (sh_md_init_global): Adjust uses of find_regmode_weight.
5833 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5835 * function.h (struct function) <x_tail_recursion_reentry>:
5836 Rename to x_stack_check_probe_note.
5837 (tail_recursion_reentry): Rename to stack_check_probe_note.
5838 * function.c: Replace tail_recursion_reentry with
5839 stack_check_probe_note everywhere.
5840 (expand_function_start): Only emit a note for
5841 stack_check_probe_note with -fstack-protect.
5842 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5844 * emit-rtl.c (remove_unnecessary_notes): Remove.
5845 (pass_remove_unnecessary_notes): Remove.
5846 * rtl.h (remove_unnecessary_notes): Remove prototype.
5847 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5848 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5849 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5851 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5854 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5855 (valid_in_set): Handle ARRAY_REF.
5856 Change "if min_variant or VH" to asserts.
5857 (create_component_ref_by_pieces): Handle ARRAY_REF.
5858 (create_expression_by_pieces): Likewise.
5859 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5861 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5863 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5864 is operand of switch, not str[0].
5866 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5868 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5869 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5871 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5873 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5874 end of insn_extra_address_constraint declaration.
5876 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5878 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5879 (no-sum-in-toc): Same.
5880 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5882 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5883 NO_FP_IN_TOC for -fPIC instead of mask.
5885 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5886 (BOOT_LDFLAGS): Delete.
5888 * config/rs6000/t-aix52: Same.
5890 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5891 (stmsi[345678]_power): New.
5893 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5895 * config/ia64/ia64.opt: Add empty line to end of file.
5897 2006-03-17 Richard Guenther <rguenther@suse.de>
5900 * builtins.c (get_pointer_alignment): For component style references
5901 adjust alignment to the component type alignment. Make sure
5902 to adjust alignment for component access of constants.
5904 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5906 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5909 2006-03-17 Paul Brook <paul@codesourcery.com>
5911 * doc/install.texi: Docuemnt --with-mode.
5912 * config.gcc: Add --with-mode for arm*-*-*.
5913 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5915 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5917 * sh.c (max_labelno_before_reorg): New variable.
5918 (sh_reorg): Initialize it.
5919 (find_barrier): Check max_labelno_before_reorg before using
5920 label_to_alignment. Take length of explicit alignment insns
5921 into account. When seeing a UNSPECV_CONST_END, return it.
5923 * sh.c (fixup_mova): Set mode of affected label to QImode.
5924 (untangle_mova): New function.
5925 (find_barrier): Use it. Check mode of label before decrementing
5927 (sh_reorg): Likewise.
5928 Set mode of all insns back to VOIDmode.
5930 * sh.c (MOVA_LABELREF): New macro.
5931 (mova_p, fixup_mova, sh_reorg): Use it.
5932 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5933 ADDR_DIFF_VEC matches mova.
5935 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5937 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5938 with ATTRIBUTE_UNUSED.
5940 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5942 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5943 pointer, instead of assuming it is possible to derive the
5944 correct args size from a call insn.
5946 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5948 * rtl.h (CONST_INT_P): Define.
5949 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5950 instead of GET_CODE(x) == CONST_INT.
5951 (vax_rtx_costs): Likewise.
5952 (vax_output_int_move): Likewise.
5953 (vax_output_int_add): Likewise.
5954 (legitimate_constant_address_p): Likewise.
5955 (index_term_p): Likewise.
5956 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5957 * config/vax/vax.md (and<mode>3): Likewise.
5958 (ashrsi3): Likewise.
5960 (movstricthi): Likewise.
5961 (movstrictqi): Likewise.
5962 (rotrsi3): Likewise.
5963 (five unnamed insns): Likewise.
5965 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5967 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5968 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5969 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5970 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5971 Pass to ASM_OUTPUT_DWARF_OFFSET.
5972 * dwarf2out.c (debug_frame_section): New.
5973 (output_call_frame_info): Use debug_frame_section. Pass it to
5974 dw2_asm_output_offset.
5975 (output_die): Pass appropriate section to dw2_asm_output_offset.
5976 (output_compilation_unit_header): Likewise.
5977 (output_pubnames): Likewise.
5978 (output_aranges): Likewise.
5979 (enum dw_val_class): Break dw_val_class_lbl_offset into
5980 dw_val_class_lineptr and dw_val_class_macptr.
5981 (add_AT_lbl_offset): Delete.
5982 (add_AT_lineptr): New.
5983 (add_AT_macptr): New.
5984 (AT_lbl): Expect a lineptr or macptr.
5985 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5986 (attr_checksum): Likewise.
5987 (same_dw_val_p): Likewise.
5988 (size_of_die): Likewise.
5989 (value_format): Likewise.
5990 (output_die): Likewise.
5991 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5993 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5994 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5995 * config/darwin-protos.h (darwin_file_start): New.
5996 (darwin_asm_output_dwarf_offset): New.
5997 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5998 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6000 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6001 if not EH section; simplify.
6002 (darwin_file_start): New.
6003 (darwin_asm_output_dwarf_offset): New.
6004 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6006 (DEBUG_INFO_SECTION): Likewise.
6007 (DEBUG_ABBREV_SECTION): Likewise.
6008 (DEBUG_ARANGES_SECTION): Likewise.
6009 (DEBUG_MACINFO_SECTION): Likewise.
6010 (DEBUG_LINE_SECTION): Likewise.
6011 (DEBUG_LOC_SECTION): Likewise.
6012 (DEBUG_PUBNAMES_SECTION): Likewise.
6013 (DEBUG_STR_SECTION): Likewise.
6014 (DEBUG_RANGES_SECTION): Likewise.
6015 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6016 (ASM_OUTPUT_DWARF_OFFSET): New.
6018 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6020 * config.gcc (tm_defines): Always add to previous value rather
6023 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6025 * config/mips/predicates.md (splittable_const_int_operand): New,
6026 split from move_operand.
6027 (splittable_symbolic_operand): New.
6028 (move_operand): Add commentary. Use splittable_const_int_operand.
6029 Inline mips_atomic_symbolic_constant_p.
6030 * config/mips/mips.md: Add combine splitters for handling moves
6031 of splittable_const_int_operands and splittable_symbolic_operands.
6032 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6033 (mips_split_symbol): Declare.
6034 (mips_move_integer): Declare.
6035 * config/mips/mips.c (mips_split_p): Make global.
6036 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6037 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6038 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6039 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6040 (mips_offset_within_object_p): Handle block symbols.
6041 (mips_atomic_symbolic_constant_p): Delete.
6042 (mips_cannot_force_const_mem): Return false for constants that
6043 mips_legitimize_move can handle.
6044 (mips_use_blocks_for_constant_p): New function.
6045 (mips_split_symbol): Make global.
6046 (mips_move_integer): Likewise. Add a temporary register argument.
6047 (mips_legitimize_const_move): Use splittable_const_int_operand and
6048 splittable_symbolic_operand.
6049 (mips_use_anchors_for_symbol_p): New function.
6050 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6051 (mips_split_p): Declare.
6053 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6055 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6056 (mips*-*-linux*): Likewise.
6058 2006-03-16 Roger Sayle <roger@eyesopen.com>
6059 Daniel Speyer <dspeyer@wam.umd.edu>
6062 * tree-dump.c (dump_real): New function.
6063 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6064 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6065 (tree-dump.o): Add $(REAL_H) to the dependencies.
6067 2006-03-16 Roger Sayle <roger@eyesopen.com>
6070 * real.c (real_from_string): If the mantissa is zero, don't bother
6071 parsing the exponent as the result should always be zero.
6073 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6075 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6077 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6079 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6080 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6081 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6082 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6083 ia64_sched_finish_global): New static functions to implement
6084 hooks from gcc_target.sched.
6085 (spec_check_no, max_uid, pending_data_specs): New static variables.
6086 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6087 ia64_spec_check_src_p): New static functions.
6088 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6089 (TARGET_SCHED_ADJUST_COST): Removed.
6090 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6091 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6092 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6093 TARGET_SCHED_GEN_CHECK,
6094 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6095 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6096 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6097 Fixed to handle speculation checks.
6098 (rtx_needs_barrier): Fixed to handle speculative loads and
6100 (ia64_variable_issue): Added code to count speculative loads and their
6102 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6104 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6106 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6108 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6109 (ia64_reorg): Reset stops_p to NULL after it is freed.
6110 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6111 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6112 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6114 (data_speculative, control_speculative, check_load): New attributes.
6115 (mov<mode>_advanced, mov<mode>_speculative,
6116 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6117 zero_extend<mode>di2_speculative,
6118 zero_extend<mode>di2_speculative_advanced): New patterns for
6119 data and control speculative loads.
6120 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6122 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6123 New pattern for data and control speculation checks.
6124 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6125 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6126 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6127 Auxiliary definitions for the patterns.
6128 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6129 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6131 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6133 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6134 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6135 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6136 New resource constraints.
6137 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6139 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6140 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6141 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6142 msched-in-control-spec, msched-ldc, msched-control-ldc,
6143 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6144 msched-prefer-non-control-spec-insns,
6145 msched-count-spec-in-critical-path): New flags to tune speculative
6147 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6148 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6149 msched-in-control-spec, msched-ldc, msched-control-ldc,
6150 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6151 msched-prefer-non-control-spec-insns,
6152 msched-count-spec-in-critical-path): Document new flags.
6154 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6156 * target.h (struct spec_info_def): New opaque declaration.
6157 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6158 speculate_insn, needs_block_p, gen_check,
6159 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6160 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6161 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6162 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6163 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6164 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6166 (TARGET_SCHED): Use new macros.
6167 * rtl.h (copy_DEPS_LIST_list): New prototype.
6168 * sched-int.h (struct sched_info): Change signature of new_ready field,
6169 adjust all initializations. New fields: add_remove_insn,
6170 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6171 region_head_or_leaf_p.
6172 (struct spec_info_def): New structure declaration.
6173 (spec_info_t): New typedef.
6174 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6175 recovery_block, orig_pat.
6176 (glat_start, glat_end): New variables declaraions.
6177 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6179 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6180 DETACH_LIFE_INFO, USE_GLAT.
6181 (enum SPEC_SCHED_FLAGS): New enumeration.
6182 (NOTE_NOTE_BB_P): New macro.
6183 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6184 attach_life_info, debug_spec_status, check_reg_live): New functions.
6185 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6186 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6188 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6189 * ddg.c (get_block_head_tail): Adjust all uses.
6190 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6191 (sms_sched_info): Initialize new fields.
6192 (contributes_to_priority): Removed.
6193 * haifa-sched.c (params.h): New include.
6194 (get_block_head_tail): Adjust all uses.
6195 (ISSUE_POINTS): New macro.
6196 (glat_start, glat_end): New global variables.
6197 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6198 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6199 old_last_basic_block, before_recovery, current_sched_info_var,
6200 rgn_n_insns, luid): New static variables.
6201 (insn_cost1): New function. Move logic from insn_cost to here.
6202 (find_insn_reg_weight1): New function. Move logic from
6203 find_insn_reg_weight to here.
6204 (reemit_notes, move_insn, max_issue): Change signature.
6205 (move_insn1): Removed.
6206 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6207 extend_bb): New static functions to support extension of scheduler's
6209 (generate_recovery_code, process_insn_depend_be_in_spec,
6210 begin_speculative_block, add_to_speculative_block,
6211 init_before_recovery, create_recovery_block, create_check_block_twin,
6212 fix_recovery_deps): New static functions to support
6213 generation of recovery code.
6214 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6215 restore_bb_notes, move_block_after_check, move_succs): New static
6216 functions to support ebb scheduling.
6217 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6218 functions to support handling of register live information.
6219 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6220 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6221 add_jump_dependencies): New static functions.
6222 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6223 consistancy checking.
6224 (debug_spec_status): New function to call from debugger.
6225 (priority): Added code to handle speculation checks.
6226 (rank_for_schedule): Added code to distinguish speculative instructions.
6227 (schedule_insn): Added code to handle speculation checks.
6228 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6229 Fixed to handle ebbs.
6230 (move_insn): Added code to handle ebb scheduling.
6231 (max_issue): Added code to use ISSUE_POINTS of instructions.
6232 (choose_ready): Added code to choose between speculative and
6233 non-speculative instructions.
6234 (schedule_block): Added code to handle ebb scheduling and scheduling of
6235 speculative instructions.
6236 (sched_init): Initialize new variables.
6237 (sched_finish): Free new variables. Print statistics.
6238 (try_ready): Added code to handle speculative instructions.
6239 * lists.c (copy_DEPS_LIST_list): New function.
6240 * sched-deps.c (extend_dependency_caches): New function. Move logic
6241 from create_dependency_caches to here.
6242 (get_dep_weak, ds_merge): Make global.
6243 * genattr.c (main): Code to output prototype for
6244 dfa_clear_single_insn_cache.
6245 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6246 (output_dfa_clean_insn_cache_func): Code to output
6247 dfa_clear_single_insn_cache function.
6248 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6250 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6252 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6253 New static variables.
6254 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6255 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6257 (ebb_sched_info): Initialize new fields.
6258 (get_block_head_tail): Adjust all uses.
6259 (compute_jump_reg_dependencies): Fixed to use glat_start.
6260 (schedule_ebb): Code to remove unreachable last block.
6261 (schedule_ebbs): Added code to update register live information.
6262 * sched-rgn.c (region_sched_info): Initialize new fields.
6263 (get_block_head_tail): Adjust all uses.
6264 (last_was_jump): Removed. Adjust users.
6265 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6266 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6267 Implement new hooks.
6268 (check_dead_notes1): New static function.
6269 (struct region): New fields: dont_calc_deps, has_real_ebb.
6270 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6271 (BB_TO_BLOCK): Fixed to handle EBBs.
6272 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6273 (ebb_head): New static variable.
6274 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6275 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6277 (compute_dom_prob_ps): New assertion.
6278 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6279 global_live_at_start.
6280 (init_ready_list): New assertions.
6281 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6282 (new_ready): Add support for BEGIN_CONTROL speculation.
6283 (schedule_insns): Fixed code that updates register live information
6285 (schedule_region): Fixed to handle EBBs.
6286 (init_regions): Use extend_regions and check_dead_notes1.
6287 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6288 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6289 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6290 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6291 TARGET_SCHED_GEN_CHECK,
6292 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6293 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6294 * doc/invoke.texi (max-sched-insn-conflict-delay,
6295 sched-spec-prob-cutoff): Document.
6297 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6299 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6300 inter_tick, queue_index.
6301 (struct sched_info): Change signature of init_ready_list field.
6302 Adjust all initializations.
6303 (RESOLVED_DEPS): New access macro.
6304 (ready_add): Remove prototype.
6305 (try_ready): Add prototype.
6306 * sched-rgn.c (init_ready_list): Use try_ready.
6307 (schedule_region): Initialize
6308 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6309 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6310 (init_ready_list): Use try_ready.
6311 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6312 * lists.c (remove_list_elem): Remove `static'.
6313 (remove_free_INSN_LIST_elem): New function.
6314 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6315 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6316 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6318 (readyp): New variable.
6319 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6320 change_queue_index, resolve_dep): New static functions.
6321 (try_ready): New function. Adjust callers in sched-rgn.c and
6322 sched-ebb.c to use it instead of ready_add.
6323 (clock_var): Move at the begining of file.
6324 (rank_for_schedule): Fix typo.
6325 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6326 (ready_lastpos): Enforce assertion.
6327 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6329 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6330 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6331 (queue_to_ready): Use free_INSN_LIST_list.
6332 (early_queue_to_ready): Fix typo.
6333 (schedule_block): Init readyp. Move init_ready_list call after the
6334 initialization of clock_var. Fix error in rejecting insn by
6335 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6336 that previously corrected INSN_TICKs. Add code for handling
6338 (set_priorities): Fix typo.
6339 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6340 Clarify comment and code that keeps current_sched_info->next_tail
6343 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6345 * sched-rgn.c (extend_rgns): New static function.
6346 (find_rgns): Use it.
6347 (gather_region_statistics, print_region_statistics): New static
6349 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6350 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6352 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6353 Andrey Belevantsev <abel@ispras.ru>
6355 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6356 * lists.c (unused_deps_list): New variable.
6357 (free_list): Add assertions to verify the proper distinguishing
6358 between INSN_LISTs and DEPS_LISTs.
6359 (find_list_elem, remove_list_elem, remove_list_node): New static
6361 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6362 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6363 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6364 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6366 (free_INSN_LIST_node): Likewise.
6367 * modulo-sched.c (current_sched_info): Initialize flags field.
6368 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6369 * rtl.def (DEPS_LIST): Define.
6370 * rtl.h: Declare new functions from lists.c.
6371 * sched-deps.c (spec_dependency_cache): New static variable.
6372 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6373 (add_dependence): Change return type to void. Move the logic to ...
6374 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6375 (delete_all_dependences): Add comment about forward_dependency_cache.
6376 Handle spec_dependency_cache. Handle DEPS_LISTs.
6377 (fixup_sched_groups): Clarify the change of priority of output
6378 and anti dependencies.
6379 (sched_analyze_2): Adjust add_dependence calls to create data
6380 speculative dependence.
6381 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6382 Adjust all callers. Handle DEPS_LISTS.
6383 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6384 presence of speculation.
6385 (init_dependency_caches, free_dependency_caches):
6386 Handle spec_dependency_cache.
6387 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6388 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6389 New static functions.
6390 (add_or_update_back_dep, add_or_update_back_forw_dep,
6391 add_back_forw_dep, delete_back_forw_dep): New functions.
6392 * sched-int.h (ds_t, dw_t): New typedefs.
6393 (struct sched_info): Add new field flags.
6394 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6395 Prototype new sched-deps.c functions.
6396 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6397 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6398 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6399 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6400 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6401 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6403 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6405 * sched-rgn.c (current_sched_info): Initialize flags field.
6406 (schedule_insns): Initialize current_sched_info before the sched_init
6408 * sched-ebb.c (current_sched_info): Initialize flags field.
6409 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6410 Call add_or_update_back_dep instead of add_dependence.
6411 Create control speculative dependencies.
6412 (schedule_insns): Initialize current_sched_info before the sched_init
6415 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6417 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6419 (sh_fallback_frame_state): Likewise.
6421 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6423 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6424 Do switch on default_use_cxa_atexit.
6425 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6426 * config/darwin-crt3.o: New.
6427 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6428 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6429 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6431 * config/rs6000/t-darwin: Move crt2.o building to here.
6432 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6433 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6436 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6438 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6439 from '! xxx' to '!xxx' for coding-style conformance.
6440 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6441 (EXTRA_CONSTRAINT): Likewise.
6442 * config/vax/vax.md (four unnamed insns): Likewise.
6444 2006-03-15 Paul Brook <paul@codesourcery.com>
6446 * config/arm/arm.c (minipool_pad): New.
6447 (add_minipool_forward_ref): Include pool alignment padding in address
6449 (push_minipool_fix): Set minipool_pad.
6450 (minipool_pad): Ditto.
6452 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6454 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6455 instead of GET_CODE() == MEM and REG_P() instead of
6457 (print_operand_address): Likewise.
6458 (vax_address_cost): Likewise.
6459 (vax_rtx_costs): Likewise.
6460 (vax_notice_update_cc): Likewise.
6461 (vax_output_int_add): Likewise.
6462 (INDEX_REGISTER_P): Likewise.
6463 (BASE_REGISTER_P): Likewise.
6464 (nonindexed_address_p): Likewise.
6465 (vax_mode_dependent_address_p): Likewise.
6466 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6467 (PRINT_OPERAND): Likewise.
6468 * config/vax/vax.md (ashlsi3): Likewise.
6469 (ashlsi3): Likewise.
6470 (some more unnamed insns): Likewise.
6472 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6474 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6475 iterator-style macro.
6476 (mark_control_dependent_edges_necessary): Update the use of
6477 EXECUTE_IF_CONTROL_DEPENDENT.
6479 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6481 * config/sh/predicates.md (cache_address_operand): Special.
6482 (ua_address_operand): Likewise.
6484 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6486 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6488 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6490 2006-03-15 Andreas Schwab <schwab@suse.de>
6492 * gensupport.c (identify_predicable_attribute): Don't free p_false
6493 when it is still in use.
6495 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6497 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6498 the default setting here.
6500 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6502 * tree-pass.h (pass_cfg): Remove.
6503 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6504 * passes.c (pass_cfg): Don't run it.
6506 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6508 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6509 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6511 (stack_regs_mentioned): Update the uses of
6512 stack_regs_mentioned_data. Don't access the array beyond its
6514 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6515 Don't include gt-reg-stack.h.
6517 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6518 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6520 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6523 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6526 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6528 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6530 2006-03-14 Richard Guenther <rguenther@suse.de>
6532 PR tree-optimization/26672
6533 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6536 2006-03-14 Richard Guenther <rguenther@suse.de>
6538 PR tree-optimization/26667
6539 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6540 node for the callees. Always allow inlining if it will shrink
6543 2006-03-14 Richard Guenther <rguenther@suse.de>
6546 * builtins.c (get_pointer_alignment): Prefer alignment
6547 information from decls over that from types.
6549 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6552 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6554 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6556 * config/rs6000/rs6000.opt (mdlmzb): New option.
6557 (msched-prolog, msched-epilog): Use Var not Mask.
6558 * doc/invoke.texi (-mdlmzb): Document.
6559 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6561 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6562 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6564 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6566 PR rtl-optimization/25739
6567 * bt-load.c (augment_live_range): Free tos pointer.
6569 * gensupport.c (identify_predicable_attribute): Free
6571 * gcov.c (create_file_names): Free name pointer.
6573 2006-03-13 Roger Sayle <roger@eyesopen.com>
6576 * stmt.c (emit_case_nodes): Handle the case where the index is a
6577 CONST_INT, where the comparison mode is specified by the index type.
6579 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6581 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6584 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6586 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6587 (*branch_fp_inverted): Likewise.
6589 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6592 * omp-low.c (expand_omp_for_generic): Mark istart0
6593 and iend0 as addressable.
6595 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6597 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6599 2006-03-13 Jeff Law <law@redhat.com>
6601 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6602 virtual operands are interesting.
6603 (vrp_visit_stmt): Corresponding changes.
6605 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6607 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6609 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6610 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6611 * config/bfin/crti.S: Use it instead of __PIC__.
6612 * config/bfin/crtn.S: Likewise.
6614 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6615 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6617 Lose 'G' modifier for call operand.
6618 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6619 recognize 'G' modifier.
6621 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6624 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6625 * stmt.c (expand_case): Likewise.
6627 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6629 PR rtl-optimization/26254
6630 * loop-invariant.c (seq_insns_valid_p): New function.
6631 (move_invariant_reg): Only emit new code if it is valid.
6633 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6635 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6637 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6638 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6639 (commit_one_edge_insertion): Do not look for loop notes.
6641 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6643 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6644 flag_test_coverage out of loop.
6646 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6648 * final.c (shorten_branches): Remove outdated comment, and turn
6649 the if branch that guards it to continue.
6651 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6653 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6654 * cfgloop.h (struct loop): Remove unused fields.
6656 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6658 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6659 (-dL, -fdump-rtl-loop2): Update the dump file names
6661 * doc/invoke.texi: Update dump file names.
6663 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6665 * predict.c (estimate_probability): Remove.
6666 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6667 * basic-block.h (estimate_probability): Remove prototype.
6668 * passes.c (finish_optimization_passes): Dump branch prediction or
6669 profiling heuristics to the .profile tree dump.
6670 (init_optimization_passes): Unqueue pass_branch_prob.
6672 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6674 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6676 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6677 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6679 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6681 * function.h (frame_offset_overflow): Declare.
6682 * function.c (frame_offset_overflow): New function.
6683 (assign_stack_local_1): Call it to detect that the offset overflows.
6684 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6686 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6688 * config/sh/sh.c: Include alloc-pool.h.
6689 (label_ref_list_pool): New alloc pool.
6690 (label_ref_list_t): New type for lists of labels.
6691 (struct pool_node): Make wend a label_ref_list_t.
6692 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6694 (dump_table): Likewise.
6695 (sh_reorg): Set up the alloc pool before using add_constant and
6696 dump_table, and destroy it when finishing.
6698 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6700 * config/mips/mips.c: Remove redundant comment.
6702 2006-03-10 Jason Merrill <jason@redhat.com>
6705 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6706 the target was declared 'register'.
6708 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6710 * genpreds.c (write_insn_constraint_len): Change definition of
6711 insn_constraint_len to return size_t to match the declaration.
6713 2006-03-10 DJ Delorie <dj@redhat.com>
6715 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6717 (m32c_expand_insv): Fix test for an AND mask.
6719 2006-03-10 Richard Guenther <rguenther@suse.de>
6722 * builtins.c (get_pointer_alignment): Handle component
6723 references for field alignment.
6725 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6727 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6728 when building with libgloss.
6729 (sh*elf): Implement --without-fp option.
6730 (sh64-superh-linux*): Don't multilib.
6732 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6734 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6736 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6738 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6739 Set it when one of the replacement functions returned true.
6740 Return TODO_cleanup_cfg if cfgchanged is true.
6741 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6743 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6745 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6746 instead of gen_lowpart.
6748 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6750 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6752 (mips_output_order_conditional_branch): Declare.
6753 * config/mips/mips.h (MIPS_BRANCH): New macro.
6754 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6755 for the comparison. Use gen_condjump.
6756 (mips_output_conditional_branch): Rework interface to take the
6757 asm templates for a direct branch and the inverse of a direct branch.
6758 (mips_output_order_conditional_branch): New function.
6759 (mips_builtin_branch_and_move): New function.
6760 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6761 branch condition. Use gen_single_cc as the condition for
6762 __builtin_mips_upper_* or __builtin_mips_lower_*.
6763 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6764 Use VOIDmode for the branch condition.
6765 * config/mips/predicates.md (order_operator): New predicate.
6766 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6767 (branch_fp): Rename to...
6768 (*branch_fp): ...this. Remove mode from comparison operator.
6769 Use new mips_output_conditional_branch interface.
6770 (branch_fp_inverted): Rename to...
6771 (*branch_fp_inverted): ...this and update as for *branch_fp.
6772 (*branch_zero<mode>): Rename to...
6773 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6774 Use mips_output_order_conditional_branch. Only accept ordered
6776 (*branch_zero<mode>_inverted): Rename to...
6777 (*branch_order<mode>_inverted): ...this and update as for
6778 *branch_order<mode>.
6779 (*branch_equality<mode>): Accept zero as the second operand to
6780 the equality operator. Use the new mips_output_conditional_branch
6782 (*branch_equality<mode>_inverted): Likewise.
6783 (condjump): New expander.
6784 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6786 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6787 (bc1any2t, bc1any2f): Likewise.
6788 (single_cc): New expander.
6789 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6791 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6793 * doc/md.texi: Update documentation of MIPS constraints.
6794 * config/mips/constraints.md: New file.
6795 * config/mips/mips.md: Include it.
6796 * config/mips/mips.c (mips_char_to_class): Delete.
6797 (override_options): Don't initialize mips_char_to_class.
6798 * config/mips/mips.h (mips_char_to_class): Delete.
6799 (REG_CLASS_FROM_LETTER): Delete.
6800 (CONST_OK_FOR_LETTER_P): Delete.
6801 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6802 (EXTRA_CONSTRAINT_Y): Delete.
6803 (EXTRA_CONSTRAINT_STR): Delete.
6804 (CONSTRAINT_LEN): Delete.
6805 (EXTRA_MEMORY_CONSTRAINT): Delete.
6807 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6809 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6810 original fn's eh regions.
6812 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6814 * fold-const.c (build_range_check): Make sure to use a valid type to
6815 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6818 (range_predecessor): New static function.
6819 (range_successor): Likewise.
6820 (merge_ranges): Use them to compute predecessors and successors of
6823 2006-03-09 Roger Sayle <roger@eyesopen.com>
6826 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6827 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6829 2006-03-08 DJ Delorie <dj@redhat.com>
6831 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6832 (addpsi3): Expand to include memory operands. Remove
6833 reload-specific splits.
6834 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6835 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6836 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6837 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6838 (shift1_qi, shift1_hi, insv): New.
6839 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6840 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6841 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6843 * config/m32c/m32c-protos.h: Update as needed.
6844 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6845 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6846 Fail for unrecognized R* constraints.
6847 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6848 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6849 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6851 (m32c_init_libfuncs): New.
6852 (m32c_legitimate_address_p): Add debug wrapper.
6853 (m32c_rtx_costs): New.
6854 (m32c_address_cost): New.
6855 (conversions): Add 'B' prefix.
6856 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6857 operands, or word regnames for QI operands. 'B' prints bit
6859 (m32c_expand_setmemhi): New.
6860 (m32c_expand_movmemhi): New.
6861 (m32c_expand_movstr): New.
6862 (m32c_expand_cmpstr): New.
6863 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6864 (m32c_expand_neg_mulpsi3): Handle non-ints.
6865 (m32c_cmp_flg_0): New.
6866 (m32c_expand_movcc): New.
6867 (m32c_expand_insv): New.
6868 (m32c_scc_pattern): New.
6869 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6870 a0/a1 out of SIregs.
6871 (STORE_FLAG_VALUE): New.
6872 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6875 * config/m32c/mov.md: Make constraints more liberal.
6876 (zero_extendqihi2): Optimize r0/r1 case.
6877 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6878 * config/m32c/predicates.md (m32c_any_operand): New.
6879 (m32c_nonimmediate_operand): New.
6880 (m32c_hl_operand): New.
6881 (m32c_r3_operand): New.
6884 (memsym_operand): New.
6885 (memimmed_operand): New.
6886 (a_qi_operand): New.
6887 (m32c_eqne_operator): New.
6888 (m32c_1bit8_operand): New.
6889 (m32c_1bit16_operand): New.
6890 (m32c_1mask8_operand): New.
6891 (m32c_1mask16_operand): New.
6892 * config/m32c/blkmov.md: New file.
6893 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6895 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6897 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6898 unsigned to fix signed/unsigned comparison issue in
6899 DWARF2_FRAME_REG_OUT.
6900 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6901 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6903 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6904 of ptr into the ENABLE_CHECKING section.
6906 2006-03-08 Jeff Law <law@redhat.com>
6908 * tree-vrp.c (infer_value_range): Only count pointer uses
6909 and dereferences if -fdelete-null-pointer-checks is enabled.
6911 * tree-vrp.c (find_assert_locations): Infer value ranges for
6912 single use pointers, but do not create ASSERT_EXPRs for them.
6913 When a non-null range is inferred for a pointer, backwards
6914 propagate that range to other equivalent pointers through the
6917 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6920 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6921 language hook targets.
6922 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6923 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6924 if language hook targets were missing.
6926 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6928 * tree-ssa-opfinalize.h: Removed.
6929 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6931 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6932 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6933 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6934 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6935 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6936 finalize_ssa_v_must_def_ops): New.
6938 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6940 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6943 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6945 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6947 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6948 addresses with offsets; reorganize.
6950 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6951 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6952 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6954 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6957 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6959 2006-03-08 Ben Elliston <bje@au.ibm.com>
6961 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6963 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6966 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6969 2006-03-07 Richard Guenther <rguenther@suse.de>
6971 PR tree-optimization/26587
6972 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6974 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6976 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6978 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6980 * hooks.c (hook_bool_mode_rtx_true): New function.
6981 * hooks.h (hook_bool_mode_rtx_true): Declare.
6982 * toplev.c (compile_file): Call output_shared_constant_pool.
6983 * varasm.c (shared_constant_pool): New variable.
6984 (assemble_start_function, assemble_end_function): Remove arguments
6985 from call to output_constant_pool.
6986 (create_constant_pool): New function, split out from...
6987 (init_varasm_status): ...here.
6988 (force_const_mem): Choose between the shared and per-function constant
6989 pools. Set current_function_uses_const_pool when reusing old entries
6990 as well as when creating new ones.
6991 (mark_constant): Ignore data argument.
6992 (mark_constants): Remove pool argument.
6993 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6994 to decide whether the function uses a constant pool.
6995 (output_constant_pool_contents): New function, split out from...
6996 (output_constant_pool): ...here.
6997 (output_shared_constant_pool): New function.
6998 (init_varasm_once): Initialize shared_constant_pool.
6999 * output.h (output_constant_pool): Delete.
7000 (output_shared_constant_pool): Declare.
7001 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7002 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7004 2006-03-06 Nick Clifton <nickc@redhat.com>
7006 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7007 flag_strength_reduce.
7009 2006-03-06 Ben Elliston <bje@au.ibm.com>
7011 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7012 x86_64-*-linux* configurations.
7014 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7015 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7017 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7019 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7021 * basic-block.h: Remove the extern for
7022 rediscover_loops_after_threading.
7024 * cfgloop.c (cancel_loop): Make it static.
7025 * cfgloop.h: Remove the prototype for cancel_loop.
7027 * flow.c (recompute_reg_usage): Make it static.
7028 * rtl.h: Remove the prototype for recompute_reg_usage.
7030 * function.c (use_return_register): Make it static.
7031 * function.h: Remove the prototype.
7033 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7035 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7037 * recog.h: Remove the prototype for
7038 validate_change_maybe_volatile.
7040 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7042 * rtlanal.c (replace_reg): Remove.
7043 * rtl.h: Remove the prototype for replace_reg.
7045 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7047 * regclass.c (reg_scan_update): Remove.
7048 (reg_scan_mark_refs): Remove the last argument.
7049 * rtl.h: Remove the prototype for reg_scan_update.
7051 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7053 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7054 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7055 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7056 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7057 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7058 loop-invariant.c, omp-low.c, opts.c, passes.c,
7059 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7060 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7061 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7062 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7063 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7064 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7066 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7068 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7069 * dwarf2out.h: Remove the prototype for
7070 dwarf2out_add_library_unit_info.
7072 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7074 * tree.c (add_var_to_bind_expr): Remove.
7075 * tree.h: Remove the prototype for add_var_to_bind_expr.
7077 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7079 * regclass.c (n_non_fixed_regs): Remove.
7080 (init_reg_sets_1, globalize_reg): Remove all uses of
7082 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7084 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7086 * rtlanal.c (insns_safe_to_move_p): Remove.
7087 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7089 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7091 * expmed.c (expand_mult_add): Remove.
7092 * expr.h: Remove the prototype for expand_mult_add.
7094 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7096 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7097 and REG_SAVED_VAL_EXP constants.
7098 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7099 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7100 Handle regs stored by value.
7101 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7102 (execute_cfa_program): Handle DW_CFA_val_offset,
7103 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7104 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7105 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7106 (uw_install_context_1): Handle target regs stored by value.
7108 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7110 * tree-sra.c (tree_sra): Return todoflags;
7111 (generate_one_element): Set TODO_update_smt_usage if needed.
7112 (pass_sra): Remove TODO_update_smt_usage.
7113 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7115 (tree_ssa_forward_propagate_single_use_vars): Return
7116 TODO_update_smt_usage if we need to update SMT usage.
7117 (pass_forwprop): Remove TODO_update_smt_usage.
7119 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7121 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7122 (correct_use_link): Remove reference to get_stmt_operands.
7123 (update_stmt_operands): Likewise.
7124 (get_modify_expr_operands): New function factored out of
7125 parse_ssa_operands and get_expr_operands.
7126 Try to create V_MUST_DEFs for LHS by default.
7127 (get_expr_operands) <case MODIFY_EXPR>: Call
7128 get_modify_expr_operands.
7129 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7130 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7131 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7132 get_modify_expr_operands.
7134 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7136 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7137 * tree-flow.h: Remove the prototype for
7138 referenced_var_lookup_if_exists.
7140 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7142 PR rtl-optimization/26345
7144 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7146 2006-03-03 Roger Sayle <roger@eyesopen.com>
7148 PR tree-optimization/26524
7149 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7150 fold_convert to create a constant of the appropriate type.
7152 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7154 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7155 SYMBOL_REF_IN_BLOCK_P.
7156 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7157 of SYMBOL_FLAG_IN_BLOCK.
7158 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7159 instead of SYMBOL_REF_IN_BLOCK_P.
7160 * explow.c (use_anchored_address): Likewise.
7161 * rtl.c (rtx_size): Likewise.
7162 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7163 instead of SYMBOL_FLAG_IN_BLOCK.
7164 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7165 SYMBOL_REF_IN_BLOCK_P.
7166 (assemble_variable): Likewise.
7167 (output_constant_def_contents): Likewise.
7168 (output_constant_pool): Likewise.
7169 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7170 instead of SYMBOL_FLAG_IN_BLOCK.
7171 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7172 SYMBOL_REF_IN_BLOCK_P.
7173 (SYMBOL_REF_BLOCK): Likewise.
7174 (SYMBOL_REF_OFFSET): Likewise.
7175 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7176 SYMBOL_REF_IN_BLOCK_P.
7177 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7178 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7179 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7180 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7182 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7184 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7186 2006-03-02 Roger Sayle <roger@eyesopen.com>
7188 * simplify-rtx.c (simplify_unary_operation): When simplifying
7189 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7190 that we perform the right shift in the appropriate mode, and
7191 then extend or truncate the result to requested mode.
7193 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7195 * gengtype.c (main): Handle double_int type.
7196 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7197 * double-int.c: New file.
7198 * double-int.h: New file.
7199 * system.h: Include doubleint.h.
7200 * Makefile.in (SYSTEM_H): Include double-int.h.
7201 (double-int.o): Add.
7203 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7206 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7209 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7211 * tree-vrp.c (remove_range_assertions): Do not update statements
7214 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7216 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7218 * gcse.c (rest_of_handle_gcse): Ditto.
7219 * except.c (gate_handle_eh): Ditto.
7220 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7221 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7223 2006-03-02 Eric Christopher <echristo@apple.com>
7225 * config/i386/i386.c (machopic_output_stub): Add indirection to
7228 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7232 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7234 Sun Niagara specific optimizations.
7235 * config.gcc: Recognize niagara as target.
7236 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7237 (TARGET_CPU_niagara): Define.
7238 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7239 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7240 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7241 (ASM_CPU_SPEC): Likewise.
7242 (PROCESSOR_NIAGARA): New enum entry.
7243 (REGISTER_MOVE_COST): Handle Niagara.
7244 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7245 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7246 (sparc_override_options): Recognize "niagara", set appropriate
7247 default MASK_* values for it, and align functions to 32-bytes
7248 by default just like ULTRASPARC/ULTRASPARC3.
7249 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7250 (sparc64_initialize_trampoline): Likewise.
7251 (sparc_use_sched_lookahead): Use zero for niagara.
7252 (sparc_issue_rate): Use one for niagara.
7253 * config/sparc/niagara.md: New file.
7254 * config/sparc/sparc.md: Include it.
7255 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7256 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7257 when default cpu is niagara.
7258 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7259 (ASM_CPU_SPEC): Likewise.
7260 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7261 when default cpu is niagara.
7262 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7263 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7264 just like v9/ultrasparc/ultrasparc3.
7265 * doc/invoke.texi: Add documentation for "niagara" and improve
7266 existing documentation for ultrasparc variants.
7268 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7270 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7272 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7274 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7275 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7276 and say that only one is needed.
7277 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7278 * target.h (have_switchable_bss_sections): New hook.
7279 * explow.c (use_anchored_address): Check that the symbol is in a block.
7280 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7281 (bss_noswitch_section): New variables.
7282 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7283 (get_noswitch_section): New function.
7284 (get_block_for_section): Allow SECT to be null.
7285 (unlikely_text_section_p): Use SECTION_STYLE.
7286 (bss_initializer_p): New function.
7287 (get_variable_section): Move earlier in file. Take a new argument,
7288 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7289 Return one of the new *_sections in such cases.
7290 (get_block_for_decl): New function, extracting some logic from
7291 use_blocks_for_decl_p.
7292 (change_symbol_section): Remove in favor of...
7293 (change_symbol_block): ...this new function.
7294 (use_blocks_for_decl_p): Remove checks now performed by
7296 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7297 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7298 (emit_local, emit_bss, emit_common): ...these new functions.
7299 Return true if the alignment was honored.
7300 (emit_tls_common): New function.
7301 (asm_emit_uninitialised): Delete.
7302 (assemble_variable_noswitch): New function, split out from...
7303 (assemble_variable): ...here. Don't make decisions about common
7304 variables here. Globalize all public decls that go into non-common
7305 sections. Check whether SYMBOL_REF_BLOCK is null.
7306 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7307 (output_constant_pool): Likewise.
7308 (init_varasm_once): Initialize the new section variables.
7309 (have_global_bss_p): New function.
7310 (categorize_decl_for_section): Use bss_initializer_p.
7311 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7312 (place_block_symbol): Assert that the symbol must be in a block.
7313 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7314 (TARGET_INITIALIZER): Include it.
7315 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7316 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7317 (SECTION_MACH_DEP): Bump by two.
7318 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7319 (unnamed_section): Mention SECTION_UNNAMED in comment.
7320 (named_section): Likewise SECTION_NAMED.
7321 (noswitch_section_callback): New type.
7322 (noswitch_section): New structure.
7323 (section): Add a noswitch_section alternative.
7324 (SECTION_STYLE): New macro.
7325 (tls_comm_section, comm_section, lcomm_section): Declare.
7326 (bss_noswitch_section, have_global_bss_p): Declare.
7327 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7328 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7330 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7331 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7334 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7336 * tree-vrp.c (execute_vrp): Return value.
7337 * regrename.c (rest_of_handle_regrename): Ditto.
7338 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7339 * tree-complex.c (tree_lower_complex): Ditto.
7340 (tree_lower_complex_O0): Ditto.
7341 * tracer.c (rest_of_handle_tracer): Ditto.
7342 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7343 * postreload.c (rest_of_handle_postreload): Ditto.
7344 * tree-tailcall.c (execute_tail_recursion): Ditto.
7345 (execute_tail_calls): Ditto.
7346 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7347 * tree.h (init_function_for_compilation): Ditto.
7348 * ipa-cp.c (ipcp_driver): Ditto.
7349 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7350 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7351 * final.c (compute_alignments): Ditto.
7352 (rest_of_handle_final): Ditto.
7353 (rest_of_handle_shorten_branches): Ditto.
7354 (rest_of_clean_state): Ditto.
7355 * omp-low.c (execute_expand_omp): Ditto.
7356 (execute_lower_omp): Ditto.
7357 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7358 * ipa-reference.c (static_execute): Ditto.
7359 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7360 * reorg.c (rest_of_handle_delay_slots): Ditto.
7361 (rest_of_handle_machine_reorg): Ditto.
7362 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7363 * flow.c (recompute_reg_usage): Ditto.
7364 (rest_of_handle_remove_death_notes): Ditto.
7365 (rest_of_handle_life): Ditto.
7366 (rest_of_handle_flow2): Ditto.
7367 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7368 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7369 (do_ssa_store_ccp): Ditto.
7370 (execute_fold_all_builtins): Ditto.
7371 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7372 * modulo-sched.c (rest_of_handle_sms): Ditto.
7373 * ipa-pure-const.c (static_execute): Ditto.
7374 * cse.c (rest_of_handle_cse): Ditto.
7375 (rest_of_handle_cse2): Ditto.
7376 * web.c (rest_of_handle_web): Ditto.
7377 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7378 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7379 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7380 * tree-nrv.c (tree_nrv): Ditto.
7381 (execute_return_slot_opt): Ditto.
7382 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7383 (create_structure_vars): Ditto.
7384 * loop-init.c (rtl_loop_init): Ditto.
7385 (rtl_loop_done): Ditto.
7386 (rtl_move_loop_invariants): Ditto.
7387 (rtl_unswitch): Ditto.
7388 (rtl_unroll_and_peel_loops): Ditto.
7389 (rtl_doloop): Ditto.
7390 * gimple-low.c (lower_function_body): Ditto.
7391 (mark_used_blocks): Ditto.
7392 * tree-ssa-sink.c (execute_sink_code): Ditto.
7393 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7394 (cgraph_early_inlining): Ditto.
7395 * global.c (rest_of_handle_global_alloc): Ditto.
7396 * jump.c (cleanup_barriers): Ditto.
7397 (purge_line_number_notes): Ditto.
7398 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7399 (rest_of_handle_if_after_reload): Ditto.
7400 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7401 (tree_ssa_loop_im): Ditto.
7402 (tree_ssa_loop_unswitch): Ditto.
7403 (tree_vectorize): Ditto.
7404 (tree_linear_transform): Ditto.
7405 (tree_ssa_loop_ivcanon): Ditto.
7406 (tree_ssa_empty_loop): Ditto.
7407 (tree_ssa_loop_bounds): Ditto.
7408 (tree_complete_unroll): Ditto.
7409 (tree_ssa_loop_prefetch): Ditto.
7410 (tree_ssa_loop_ivopts): Ditto.
7411 (tree_ssa_loop_done): Ditto.
7412 * predict.c (tree_estimate_probability): Ditto.
7413 * recog.c (split_all_insns_noflow): Ditto.
7414 (rest_of_handle_peephole2): Ditto.
7415 (rest_of_handle_split_all_insns): Ditto.
7416 * tree-eh.c (lower_eh_constructs): Ditto.
7417 * regmove.c (rest_of_handle_regmove): Ditto.
7418 (rest_of_handle_stack_adjustments): Ditto.
7419 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7420 * function.c (instantiate_virtual_regs): Ditto.
7421 (init_function_for_compilation): Ditto.
7422 (rest_of_handle_check_leaf_regs): Ditto.
7423 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7424 (rest_of_handle_gcse): Ditto.
7425 * ipa-type-escape.c (type_escape_execute): Ditto.
7426 * alias.c (rest_of_handle_cfg): Ditto.
7427 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7428 * profile.c (rest_of_handle_branch_prob): Ditto.
7429 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7430 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7431 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7432 * tree-dfa.c (find_referenced_vars): Ditto.
7433 * except.c (set_nothrow_function_flags): Ditto.
7434 (convert_to_eh_region_ranges): Ditto.
7435 (rest_of_handle_eh): Ditto.
7436 * emit-rtl.c (unshare_all_rtl): Ditto.
7437 (remove_unnecessary_notes): Ditto.
7438 * except.h (set_nothrow_function_flags): Ditto.
7439 (convert_to_eh_region_ranges): Ditto.
7440 * cfgexpand.c (tree_expand_cfg): Ditto.
7441 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7442 * tree-ssa-pre.c (do_pre): Ditto.
7443 (execute_fre): Ditto.
7444 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7445 (rest_of_handle_jump2): Ditto.
7446 * tree-sra.c (tree_sra): Ditto.
7447 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7448 (execute_mudflap_function_decls): Ditto.
7449 * tree-ssa-copy.c (do_copy_prop): Ditto.
7450 (do_store_copy_prop): Ditto.
7451 * ipa-prop.h (ipcp_driver): Ditto.
7452 * cfglayout.c (insn_locators_initialize): Ditto.
7453 * tree-ssa-forwprop.c
7454 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7455 * cfglayout.h (insn_locators_initialize): Ditto.
7456 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7457 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7458 (execute_late_warn_uninitialized): Ditto.
7459 * rtl.h (cleanup_barriers): Ditto.
7460 (split_all_insns_noflow): Ditto.
7461 (purge_line_number_notes): Ditto.
7462 (unshare_all_rtl): Ditto.
7463 (remove_unnecessary_notes): Ditto.
7464 (recompute_reg_usage): Ditto.
7465 (variable_tracking_main): Ditto.
7466 * integrate.c (emit_initial_value_sets): Ditto.
7467 * integrate.h (emit_initial_value_sets): Ditto.
7468 * tree-optimize.c (execute_free_datastructures): Ditto
7469 (execute_free_cfg_annotations): Ditto.
7470 (execute_fixup_cfg): Ditto.
7471 (execute_cleanup_cfg_pre_ipa): Ditto.
7472 (execute_cleanup_cfg_post_optimizing): Ditto.
7473 (execute_init_datastructures): Ditto.
7474 * tree-object-size.c (compute_object_sizes): Ditto.
7475 * combine.c (rest_of_handle_combine): Ditto.
7476 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7477 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7478 (rest_of_handle_reorder_blocks): Ditto.
7479 (rest_of_handle_partition_blocks): Ditto.
7480 * var-tracking.c (variable_tracking_main): Ditto.
7481 * tree-profile.c (tree_profiling): Ditto.
7482 * tree-vect-generic.c (expand_vector_operations): Ditto.
7483 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7484 * sched-rgn.c (rest_of_handle_sched): Ditto.
7485 (rest_of_handle_sched2): Ditto.
7486 * basic-block.h (free_bb_insn): Ditto.
7487 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7488 * tree-cfg.c (execute_build_cfg): Ditto.
7489 (remove_useless_stmts): Ditto.
7490 (split_critical_edges): Ditto.
7491 (execute_warn_function_return): Ditto.
7492 (execute_warn_function_noreturn): Ditto.
7493 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7494 * cfgrtl.c (free_bb_for_insn): Ditto.
7495 * passes.c (execute_one_pass): Run additional
7496 todos returned by execute function.
7497 * tree-pass.h (struct tree_opt_pass): Make execute
7500 2006-03-02 Richard Guenther <rguenther@suse.de>
7502 * tree-ssa-alias.c (find_used_portions): Consider taking
7503 the address as making the variable not write-only.
7505 2006-03-02 Nick Clifton <nickc@redhat.com>
7507 * config.gcc (default_use_cxa_atexit): Extend the description of
7508 this configure variable. Set its default value to "yes" for
7509 Linux, NetBSD and ELF targets on the assumption that they will
7510 use C libraries with the __cxa_atexit function.
7512 2006-03-02 Ben Elliston <bje@au.ibm.com>
7514 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7515 parameter as unused to suppress a build warning.
7517 2006-03-02 Ben Elliston <bje@au.ibm.com>
7519 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7522 2006-03-01 Roger Sayle <roger@eyesopen.com>
7525 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7526 declared name, the weak reference name, and the typeof name.
7527 (__gthrw): Avoid expanding the declared name suffix.
7528 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7530 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7532 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7534 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7535 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7536 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7537 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7538 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7539 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7540 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7541 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7542 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7543 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7544 (DW_END_default, DW_END_big, DW_END_little): New.
7545 (DW_END_lo_user, DW_END_hi_user): Define.
7546 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7547 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7548 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7551 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7553 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7555 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7557 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7559 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7561 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7562 to 'symbol_mem_tag'.
7564 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7567 2006-03-01 Roger Sayle <roger@eyesopen.com>
7569 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7571 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7574 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7575 MACHO_DYNAMIC_NO_PIC_P.
7576 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7578 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7581 * config/darwin-protos.h (darwin_asm_output_anchor):
7583 * config/darwin-sections.def (cstring_section):
7584 Add SECTION_MERGE to the flags.
7585 (literal4_section): Likewise.
7586 (literal8_section): Likewise.
7587 (objc_selector_refs_section): Likewise.
7588 (objc_cls_refs_section): Likewise.
7589 * config/darwin.c (darwin_asm_output_anchor): New
7591 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7593 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7595 Fix PR tree-optimization/26443
7596 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7597 to todo and PROP_tmt_usage to properties_destroyed.
7598 * tree-ssa-ccp.c (pass_ccp): Ditto.
7599 (pass_store_ccp): Ditto.
7600 * tree-ssa-dom.c (pass_dominator): Ditto.
7602 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7604 * tree-ssa-operands.c: Cleanup whitespace.
7605 (get_asm_expr_operands): Move before first invocation.
7606 (get_indirect_ref_operands): Likewise.
7607 (get_tmr_operands): Likewise.
7608 (get_call_expr_operands): Likewise.
7609 (append_def): Likewise.
7610 (append_use): Likewise.
7611 (append_v_may_def): Likewise.
7612 (append_v_must_def): Likewise.
7613 (add_call_clobber_ops): Likewise.
7614 (add_call_read_ops): Likewise.
7615 (add_stmt_operand): Likewise.
7616 (add_virtual_operand): Likewise.
7617 (build_ssa_operands): Likewise.
7619 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7624 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7625 with a call expr to ...
7626 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7628 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7630 * tree-vrp.c (extract_range_from_assert): Remove special
7631 handling for types with super-types.
7633 2006-03-01 Ben Elliston <bje@au.ibm.com>
7635 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7636 and powerpc64-*-linux* configurations.
7637 * config/t-dfprules: New file.
7639 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7640 Compile dfp-bit.c from the source directory using -DWIDTH and
7641 $DFP_CFLAGS to control the compilation of that file, rather than
7642 generating width-specific versions in the build directory.
7643 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7644 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7646 2006-02-28 Zack Weinberg <zackw@panix.com>
7648 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7651 2006-02-28 Eric Christopher <echristo@apple.com>
7653 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7654 Set up IN_LIBGCC definition of TARGET_64BIT.
7655 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7657 2006-02-28 Roger Sayle <roger@eyesopen.com>
7660 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7661 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7662 cases via the construction of "expr != 0".
7664 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7666 * alias.c (alias_invariant, alias_invariant_size): Remove.
7667 (record_base_value): Remove.
7668 (memrefs_conflict_p): Don't look at alias_invariant.
7669 (end_alias_analysis): Don't free it.
7670 * alias.h (record_base_value): Remove prototype.
7672 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7673 Adam Nemet <anemet@caviumnetworks.com>
7675 * rtl.h (truncated_to_mode): Declare it.
7676 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7677 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7678 (RTL_HOOKS_INITIALIZER): Include it.
7679 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7680 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7681 reg_truncated_to_mode.
7682 * rtlanal.c (truncated_to_mode): Define it.
7683 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7685 2006-02-28 Jeff Law <law@redhat.com>
7687 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7688 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7689 the range allowed by TYPE_PRECISION.
7691 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7693 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7695 PR tree-optimization/26419
7696 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7699 2006-02-27 Zack Weinberg <zackw@panix.com>
7701 * doc/md.texi: Fix typo in previous change.
7703 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7707 2006-02-27 Zack Weinberg <zackw@panix.com>
7709 * rtl.def (define_constraint, define_register_constraint)
7710 (define_memory_constraint, define_address_constraint): New MD forms.
7711 * gensupport.c (process_rtx): Put define_constraint etc on the
7713 * genpreds.c (process_define_predicate): Adjust comment. Validate
7714 the name, and call validate_exp to validate the expression.
7715 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7716 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7717 all callers changed.
7718 (validate_exp, needs_variable, struct constraint_data)
7719 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7720 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7721 (const_dbl_constraints, constraint_max_namelen)
7722 (have_register_constraints, have_memory_constraints)
7723 (have_address_constraints, have_address_constraints)
7724 (have_extra_constraints, have_const_int_constraints)
7725 (have_const_dbl_constraints, mangle, add_constraint)
7726 (process_define_constraint, process_define_register_constraint)
7727 (write_enum_constraint_num, write_lookup_constraint)
7728 (write_insn_constraint_len, write_regclass_for_constraint)
7729 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7730 (write_insn_extra_memory_constraint)
7731 (write_insn_extra_address_constraint)
7732 (write_satisfies_constraint_fns): New.
7733 (write_tm_preds_h): If we have new-style constraint definitions,
7734 prototype the functions generated from them, and define the
7735 old constraint interface (still used by generic code) in terms of
7737 (write_insn_preds_c): If we have new-style constraint definitions,
7738 generate all relevant functions from those definitions.
7739 (main): Handle define_constraint etc.
7740 * genoutput.c (struct constraint_data, indep_constraints)
7741 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7742 (mdep_constraint_len): New data structures and functions, defined
7743 #ifdef USE_MD_CONSTRAINTS.
7744 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7745 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7746 use new logic to validate operand constraints against constraint
7748 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7750 * defaults.h: If none of the old-style constraint macros are
7751 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7752 old-style macros; and poison REG_CLASS_FROM_LETTER,
7753 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7755 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7756 * doc/md.texi: Document new constraint-definition mechanism and the
7757 C interface it provides. Remove references to old mechanism
7758 elsewhere in the document.
7759 (Machine Constraints): Use pathnames relative to gcc directory,
7760 i.e. config/ARCH/FILE. Change i386 section to refer to
7761 config/i386/predicates.md; update that section to match docstrings.
7762 * doc/tm.texi: Move all documentation of the old constraint-
7763 definition macros to their own section, clearly mark as obsolete.
7765 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7766 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7768 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7769 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7770 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7772 (splits and peepholes): Use satisfies_constraint_*.
7773 * config/i386/i386.c (memory_address_length)
7774 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7776 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7778 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7779 scalar operation to be put back into the loop.
7781 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7784 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7785 (extract_cie_info): Handle S flag in augmentation string.
7786 (execute_cfa_program): If context->signal_frame, execute also
7787 fs->pc == context->ra instructions.
7788 (uw_frame_state_for): If context->signal_frame, don't subtract one
7789 from context->ra to find FDE.
7790 (uw_update_context_1): Set context->signal_frame to
7792 (_Unwind_GetIPInfo): New function.
7793 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7794 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7796 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7797 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7798 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7799 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7800 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7801 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7802 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7803 x86_64_fallback_frame_state): Set fs->signal_frame.
7804 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7805 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7806 (frob_update_context): Likewise. Workaround missing S flag in
7807 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7808 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7809 Remove the psw_addr + 1 hack.
7811 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7813 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7814 with aggregates here.
7815 (find_func_aliases): Remove code for &<aggregate> from here.
7817 2006-02-26 Roger Sayle <roger@eyesopen.com>
7819 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7820 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7821 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7824 2006-02-26 Roger Sayle <roger@eyesopen.com>
7827 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7829 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7831 * opts.c (decode_options): Do not handle flag_strength_reduce.
7832 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7833 and OPT_fstrength_reduce.
7834 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7835 flag_prefetch_loop_arrays for being nonzero.
7836 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7838 (fprefetch-loop-arrays-rtl): Removed.
7839 (flag_prefetch_loop_arrays): Do not specify the value.
7841 * doc/passes.texi: Update documentation of loop optimizer
7843 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7844 -frerun-loop-opt): Remove.
7846 2006-02-26 Richard Guenther <rguenther@suse.de>
7848 PR tree-optimization/26421
7849 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7850 in function calls that are ADDR_EXPRs as using the whole structure.
7852 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7854 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7855 * tree-pass.h (pass_loop_optimize): Remove.
7856 * passes.c (pass_loop_optimize): Never run it.
7857 * toplev.c (backend_init): Don't call init_loop.
7858 * opts.c (flag_loop_optimize_set): Remove.
7859 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7860 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7861 the old RTL loop optimizer when profiling enabled.
7862 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7863 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7864 pre-headers for the sake of the old RTL loop optimizer.
7865 * Makefile.in: Remove all references to loop.o.
7867 * doc/invoke.texi: Remove all references to -floop-optimize
7868 and -frerun-loop-opt.
7870 2006-02-26 Zack Weinberg <zackw@panix.com>
7872 * doc/md.texi (Machine Constraints): Refer to all files with paths
7873 relative to gcc directory (i.e. config/CPU/file). Add missing
7874 @table @code ... @end table to M32C subsection.
7876 2006-02-26 Roger Sayle <roger@eyesopen.com>
7878 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7880 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7882 2006-02-26 Roger Sayle <roger@eyesopen.com>
7883 James A. Morrison <phython@gcc.gnu.org>
7886 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7887 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7888 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7889 signedness of the shift operation.
7891 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7893 PR tree-optimization/26359
7894 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7896 2006-02-25 Roger Sayle <roger@eyesopen.com>
7898 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7899 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7900 as X == 0, and some symmetry related transformations.
7901 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7903 2006-02-25 Roger Sayle <roger@eyesopen.com>
7906 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7907 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7908 symmetry related transformations. Fold (X^C1) == C2 as
7911 2006-02-25 Juergen Weigert <jw@suse.de>
7912 Richard Guenther <rguenther@suse.de>
7914 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7916 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7918 * combine.c (gen_lowpart_or_truncate): Call
7919 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7921 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7923 * doc/invoke.texi: Move -fopenmp description to "Options for
7925 Remove reference to -lgomp.
7927 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7929 * doc/install.texi: Require GNU tar version 1.14.
7931 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7933 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7934 * doc/invoke.texi (C++ Dialect Options): Document
7935 -fno-use-cxa-get-exception-ptr.
7936 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7937 * configure: Regenerate.
7938 * c.opt (fuse-cxa-get-exception-ptr): New.
7939 * c-opts.c (c_common_handle_option): Handle
7940 OPT_fuse_cxa_get_exception_ptr.
7941 * c-common.c (flag_use_cxa_atexit): Update documentation.
7942 (flag_use_cxa_get_exception_ptr): New.
7943 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7944 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7946 (C_COMMON_OVERRIDE_OPTIONS): New.
7948 2006-02-24 Roger Sayle <roger@eyesopen.com>
7951 * combine.c (try_combine): Explicitly check whether GET_CODE is
7952 a SET or a CLOBBER, instead on checking that it isn't a USE.
7954 2006-02-24 Roger Sayle <roger@eyesopen.com>
7956 * fold-const.c (fold_comparison): New subroutine of fold_binary
7957 containing transformations common to both the equality and
7958 ordering relational operators, factored out of fold_binary.
7959 (fold_binary): Separate out the equality operators (EQ_EXPR
7960 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7961 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7962 transformations common to both.
7963 (fold_div_compare): Fix latent bugs in the previously unreachable
7964 LT_EXPR and GE_EXPR cases.
7966 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7968 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7969 decl libname for clog to __clog on AIX.
7971 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7973 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7976 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7977 output traceback table for thunks. Localise rs6000_stack_info call.
7979 2006-02-23 Roger Sayle <roger@eyesopen.com>
7980 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7982 * gthr-posix.h (__gthrw): Fix typo in comment.
7984 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7986 * doc/cpp.texi (Character sets): Document that we do support
7987 input files to be in any character set.
7989 2006-02-23 Jeff Law <law@redhat.com>
7991 * tree.h (PHI_ARG_NONZERO): Remove.
7992 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7993 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7994 node to the new node.
7996 PR tree-optimization/26425
7997 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7998 min/max, then assume its varying.
8000 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8002 PR rtl-optimization/26316
8003 * rtlanal.c (enum may_trap_p_flags): New.
8004 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8005 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8006 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8007 (may_trap_after_code_motion_p): New function.
8008 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8009 (find_invariant_insn): Use may_trap_after_code_motion_p.
8010 * rtl.h (may_trap_after_code_motion_p): Declare.
8012 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8014 * emit-rtl.c (immed_double_const): Cleanup.
8016 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8018 Fix PR tree-optimization/26376
8019 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8022 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8025 * gimplify.c (omp_add_variable): Guard variable size decl test with
8026 DECL_SIZE (decl) check.
8028 2006-02-23 Richard Guenther <rguenther@suse.de>
8031 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8032 like aggregate types.
8034 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8036 * configure.ac: Add --with{,out}-long-double-128 configure option.
8037 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8038 * configure: Rebuilt.
8039 * config.in: Rebuilt.
8040 * doc/install.texi (Options specification): Document
8041 --with-long-double-128.
8043 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8044 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8045 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8046 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8048 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8050 * config/s390/s390.c (override_options): Handle
8051 TARGET_DEFAULT_LONG_DOUBLE_128.
8053 * config/alpha/alpha.c (override_options): Handle
8054 TARGET_DEFAULT_LONG_DOUBLE_128.
8056 * config/sparc/sparc.c (sparc_override_options): Handle
8057 TARGET_DEFAULT_LONG_DOUBLE_128.
8059 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8061 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8062 (real-install-headers-tar, real-install-headers-cpio)
8063 (real-install-headers-cp): New targets.
8065 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8067 * tree.h (variable_section): Delete.
8068 * varasm.c (variable_section): Delete.
8070 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8072 * install.texi: Add notes on install.texi2html.
8073 (Building in parallel): Do not use footnotes.
8075 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8078 * doc/install.texi (Configuration): Document --disable-libgomp.
8080 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8082 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8084 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8086 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8087 (vec_extractv2df_0_sse): New.
8089 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8091 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8092 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8093 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8094 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8095 to the result of the expression.
8096 (def_cfa_1): Adjust.
8097 (frame_pointer_cfa_offset): Rename to...
8098 (frame_pointer_fb_offset): ... this. Adjust all uses.
8099 (convert_cfa_to_loc_list): Rename to...
8100 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8101 Pass it on to build_cfa_loc.
8102 (compute_frame_pointer_to_cfa_displacement): Rename to...
8103 (compute_frame_pointer_to_fb_displacement): ... this. New
8104 offset parameter. Use it in computation.
8105 (gen_subprogram_die): Compute cfa_fb_offset with the new
8106 macro, and use it to compute the fb loc list and the
8109 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8111 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8112 replaced with register_operand.
8113 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8114 non-DREG is expensive.
8115 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8116 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8119 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8121 * doc/install.texi2html: Use set -e.
8123 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8125 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8126 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8127 * doc/invoke.texi (-fshared-data): Delete.
8128 * common.opt (fshared-data): Delete.
8129 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8130 (assemble_static_space): Remove #if 0 code.
8131 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8132 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8133 * config/cris/cris.h: Remove FIXME.
8135 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8137 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8140 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8143 * combine.c (simplify_shift_const_1): Disable nested shifts
8144 optimization for vector shifts.
8146 2006-02-20 Roger Sayle <roger@eyesopen.com>
8148 PR tree-optimization/26361
8149 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8150 of unsigned integer types.
8152 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8154 * tree-chrec.c (eq_evolutions_p): New.
8155 * tree-chrec.h (eq_evolutions_p): Declared.
8156 * tree-data-ref.c: Fix formatting.
8157 (datadep_stats, dependence_stats): New.
8159 (print_direction_vector): New.
8160 (dump_data_dependence_relation): Use print_direction_vector.
8161 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8162 (compute_subscript_distance): Static.
8163 (initialize_data_dependence_relation): Static. Get the number
8164 of loops surrounding the references from the callers, and initialize
8165 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8166 base_object_differ_p analyzers.
8167 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8168 compute_overlap_steps_for_affine_1_2,
8169 analyze_subscript_affine_affine): Count the classified dependences.
8170 Print a message when a test failed.
8171 (can_use_analyze_subscript_affine_affine): New.
8172 (analyze_siv_subscript): Compute the data dependences on symbolic
8173 scevs that verify can_use_analyze_subscript_affine_affine.
8174 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8175 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8176 Handle symbolic scevs.
8177 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8179 (subscript_dependence_tester): Moved...
8180 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8181 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8182 DDR_SIZE_VECT instead of getting it in parameter.
8183 (subscript_dependence_tester): ... here. Take as a parameter
8184 loop_nest_depth. Call build_classic_dist_vector and
8185 build_classic_dir_vector.
8186 (compute_affine_dependence): Update subscript_dependence_tester
8187 parameters. Update datadep_stats counters. Call
8188 compute_subscript_distance.
8189 (compute_self_dependence): Save the dist and dir vectors. Call
8190 compute_subscript_distance.
8191 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8192 (compute_all_dependences): Reorder parameters as they were before
8193 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8194 compute_subscript_distance. Update the use of
8195 compute_affine_dependence and initialize_data_dependence_relation.
8196 (find_data_references_in_loop): Handle COMPONENT_REF.
8197 (compute_data_dependences_for_loop): Initialize dependence_stats.
8198 Don't call build_classic_dist_vector and build_classic_dir_vector.
8199 Update the parameters of initialize_data_dependence_relation and
8200 compute_all_dependences. Print the statistics from datadep_stats.
8201 (analyze_all_data_dependences): Static. Not used until the pass for
8202 checking the data dependences is contributed.
8203 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8204 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8205 (initialize_data_dependence_relation, compute_affine_dependence,
8206 analyze_all_data_dependences, compute_subscript_distance): Removed.
8207 (print_direction_vector): New.
8208 * lambda.h (gcd): ... here.
8209 (lambda_vector_gcd): Moved here from gcd_vector.
8210 * lambda-code.c (gcd, gcd_vector): Removed.
8211 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8212 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8214 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8216 * ipa-type-escape.c: Tidy some comments and white space.
8217 * tree-ssa-operands.c: Likewise.
8219 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8222 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8223 (dump_decl_name): Do not walk the decl tree chains.
8224 * tree-pass.h (TDF_CHAIN): Remove.
8226 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8228 * Makefile.in (C): Remove
8230 (.PHONY): Remove C and PROTO
8232 2006-02-20 Roger Sayle <roger@eyesopen.com>
8235 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8236 deprecated CHAR_TYPE tree code.
8238 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8240 * configure.ac (target_list): Add install-info, dvi, html.
8241 * configure: Regenerate.
8243 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8244 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8245 treelang/Make-lang.in: Do not use double-colon rules.
8247 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8249 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8250 (TMT_USED_ALONE): New macro.
8251 * tree-pass.h (PROP_tmt_usage): New property.
8252 (TODO_update_tmt_usage): New todo.
8253 * tree-ssa-alias.c (updating_used_alone): New variable.
8254 (recalculate_used_alone): New function.
8255 (compute_may_aliases): Set updating_used_alone, call
8256 recalculate_used_alone.
8257 * tree-sra.c (pass_sra): Note that this pass destroys
8258 PROP_tmt_usage, and add TODO_update_tmt_usage.
8259 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8260 * tree-flow.h (updating_used_alone): Prototype.
8261 (recalculate_used_alone): Ditto.
8262 * passes.c (execute_todo): Add code to set updating_used_alone,
8263 and call recalculate.
8264 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8265 for clobber if used alone, and add assert to verify used_alone
8268 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8270 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8271 for non tls symbols added.
8272 (legitimize_address): Do nothing for PLUS expressions if one of the
8273 addends is a tls symbol reference.
8275 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8279 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8281 * Makefile.in (BOOTSTRAPPING): New.
8282 (quickstrap): New definition if BOOTSTRAPPING=yes.
8284 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8285 * configure.ac: Substitute all_selected_languages with the languages
8286 that were configured. For all the other variables except
8287 lang_specs_files, include all the languages in the tree.
8288 * configure: Regenerate.
8290 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8291 if there is one. Run the commands to run fixincludes in the same
8294 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8295 * doc/install.texi: Document exact conventions for searching target tools.
8296 Document --with-build-time-tools. Document toplevel bootstrap. Document
8297 something more about building an Ada cross-compiler. Don't list GNU Make
8298 requirements which affect all platforms.
8300 2006-02-19 Roger Sayle <roger@eyesopen.com>
8303 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8304 only equivalent if the have both the same mode and precision.
8306 2006-02-20 Ben Elliston <bje@au.ibm.com>
8308 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8310 2006-02-19 Roger Sayle <roger@eyesopen.com>
8311 Steven Bosscher <stevenb.gcc@gmail.com>
8313 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8314 constant pool references to identify stack mode constants.
8315 * rtlanal.c (constant_pool_constant_p): New predicate to check
8316 whether operand is a floating point constant in the pool.
8317 * rtl.h (constant_pool_constant_p): Prototype here.
8318 * loop.c (scan_loop): Avoid hoisting constants from the constant
8319 pool on STACK_REGS targets.
8320 (load_mems): Likewise.
8321 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8322 loads into x87 registers expensive in terms of register pressure.
8324 2006-02-19 Roger Sayle <roger@eyesopen.com>
8326 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8327 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8329 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8331 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8332 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8334 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8336 * doc/invoke.texi: Document -fipa-pta.
8337 * common.opt: Add ipa-pta option.
8338 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8339 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8340 (do_ds_constraint): Ditto.
8341 (get_constraint_for): Only add to referenced_vars if
8342 referenced_vars exists.
8343 (insert_into_field_list): Rewrite to do this unsorted.
8344 (insert_into_field_list_sorted): Rename old insert_into_field_list
8346 (create_function_info_for): Use insert_into_field_list_sorted.
8347 (create_variable_info_for): Rewrite so it uses unsorted version,
8348 since the field list is sorted.
8349 (intra_create_variable_infos): Only add to referenced_vars if
8350 referenced_vars exists.
8351 (ipa_pta_execute): Init heapvars, and delete when done.
8352 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8354 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8356 * doc/install.texi: Add missing `@samp'.
8358 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8360 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8363 2006-02-18 Mark Wielaard <mark@klomp.org>
8365 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8366 who added new 4.1 features, bug fixes and integration support.
8368 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8371 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8374 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8376 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8377 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8378 (copy_insn_1): Likewise. Don't copy each field individually.
8380 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8382 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8383 * rtl.c (rtx_size): Rename variable to...
8384 (rtx_code_size): ...this.
8385 (rtx_size): New function.
8386 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8387 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8389 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8390 * rtl.h (rtx_code_size): New variable.
8391 (rtx_size): Change from a variable to a function.
8392 (RTX_SIZE): Rename to...
8393 (RTX_CODE_SIZE): ...this.
8396 PR tree-optimization/17106
8397 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8398 (Anchored Addresses): New section.
8399 * doc/invoke.texi (-fsection-anchors): Document.
8400 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8401 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8402 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8403 * hooks.c (hook_bool_mode_rtx_false): New function.
8404 * hooks.h (hook_bool_mode_rtx_false): Declare.
8405 * gengtype.c (create_optional_field): New function.
8406 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8407 SYMBOL_REF_IN_BLOCK_P is true.
8408 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8409 (min_anchor_offset, max_anchor_offset): Likewise.
8410 (use_anchors_for_symbol_p): New hook.
8411 * toplev.c (compile_file): Call output_object_blocks.
8412 (target_supports_section_anchors_p): New function.
8413 (process_options): Check that -fsection-anchors is only used on
8414 targets that support it and when -funit-at-a-time is in effect.
8415 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8416 if the decl doesn't have one.
8417 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8418 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8419 of force_const_mem through use_anchored_address.
8420 (expand_expr_constant): New function.
8421 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8422 calling expand_expr for INDIRECT_REF.
8423 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8424 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8425 * expr.h (use_anchored_address): Declare.
8426 * loop-unroll.c: Don't declare rtx vectors here.
8427 * explow.c: Include output.h.
8428 (validize_mem): Call use_anchored_address.
8429 (use_anchored_address): New function.
8430 * common.opt (-fsection-anchors): New switch.
8431 * varasm.c (object_block_htab, anchor_labelno): New variables.
8432 (hash_section, object_block_entry_eq, object_block_entry_hash)
8433 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8434 (use_blocks_for_decl_p, change_symbol_section): New functions.
8435 (get_variable_section): New function, split out from assemble_variable.
8436 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8437 use_blocks_for_decl_p say so. Use change_symbol_section if the
8438 symbol has already been created.
8439 (assemble_variable_contents): New function, split out from...
8440 (assemble_variable): ...here. Don't output any code for
8441 block symbols; just pass them to place_block_symbol.
8442 Use get_variable_section and assemble_variable_contents.
8443 (get_constant_alignment, get_constant_section, get_constant_size): New
8444 functions, split from output_constant_def_contents.
8445 (build_constant_desc): Create a block symbol if use_object_blocks_p
8446 says so. Or into SYMBOL_REF_FLAGS.
8447 (assemble_constant_contents): New function, split from...
8448 (output_constant_def_contents): ...here. Don't output any code
8449 for block symbols; just pass them to place_section_symbol.
8450 Use get_constant_section and get_constant_alignment.
8451 (force_const_mem): Create a block symbol if use_object_blocks_p and
8452 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8453 (output_constant_pool_1): Add an explicit alignment argument.
8454 Don't switch sections here.
8455 (output_constant_pool): Adjust call to output_constant_pool_1.
8456 Switch sections here instead. Don't output anything for block symbols;
8457 just pass them to place_block_symbol.
8458 (init_varasm_once): Initialize object_block_htab.
8459 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8460 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8461 (place_block_symbol, get_section_anchor, output_object_block)
8462 (output_object_block_htab, output_object_blocks): New functions.
8463 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8464 (TARGET_ASM_OUT): Include it.
8465 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8466 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8467 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8468 (TARGET_INITIALIZER): Include them.
8469 * rtl.c (rtl_check_failed_block_symbol): New function.
8470 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8471 (block_symbol, object_block): New structures.
8472 (rtx_def): Add a block_symbol field to the union.
8473 (BLOCK_SYMBOL_CHECK): New macro.
8474 (rtl_check_failed_block_symbol): Declare.
8475 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8476 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8477 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8478 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8479 * output.h (output_section_symbols): Declare.
8480 (object_block): Name structure.
8481 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8482 (default_use_anchors_for_symbol_p): Declare.
8483 * Makefile.in (RTL_BASE_H): Add vec.h.
8484 (explow.o): Depend on output.h.
8485 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8486 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8487 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8488 (rs6000_use_blocks_for_constant_p): New function.
8490 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8492 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8494 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8497 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8500 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8502 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8506 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8509 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8510 instead of DECL_REGISTER.
8512 2006-02-18 Olivier Hainque <hainque@adacore.com>
8515 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8517 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8520 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8521 * opth-gen.awk: Handle Var and InverseMask together.
8522 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8523 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8524 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8525 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8527 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8528 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8529 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8530 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8531 LINUX_DYNAMIC_LINKER): Define.
8532 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8533 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8535 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8536 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8537 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8538 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8539 (TARGET_C99_FUNCTIONS): Don't define.
8540 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8541 GLIBC_DYNAMIC_LINKER.
8542 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8543 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8544 GLIBC_DYNAMIC_LINKER64): Define.
8545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8546 LINUX_DYNAMIC_LINKER64.
8547 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8548 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8549 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8551 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8552 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8553 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8554 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8555 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8557 and LINUX_DYNAMIC_LINKER32.
8558 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8559 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8560 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8561 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8562 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8564 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8565 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8566 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8567 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8568 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8569 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8570 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8571 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8572 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8573 LINUX_DYNAMIC_LINKER): Define.
8574 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8575 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8576 GLIBC_DYNAMIC_LINKER64): Define.
8577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8578 LINUX_DYNAMIC_LINKER64.
8579 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8580 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8581 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8582 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8583 LINUX_DYNAMIC_LINKER): Define.
8584 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8585 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8586 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8587 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8588 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8589 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8590 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8591 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8592 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8593 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8595 * doc/invoke.texi (-muclibc): Remove caveat about supported
8598 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8600 * doc/cpp.texi (__TIMESTAMP__): Document.
8602 2006-02-17 Roger Sayle <roger@eyesopen.com>
8605 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8606 C is one less than the width of X (and related transformations).
8607 * simplify-rtx.c (simplify_unary_operation_1): Transform
8608 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8609 depending on STORE_FLAG_VALUE, were C is one less then the
8612 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8614 Fix PR tree-optimization/26341
8615 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8616 about NAME_MEMORY_TAG's.
8618 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8621 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8622 with hardware float support, and software float support. Add fcpy
8623 alternative to hardware patterns. Add alternatives to copy between
8624 general and floating-point registers to the 32-bit pattern.
8625 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8626 secondary reload to load a QI or HI mode constant into a floating
8628 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8629 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8631 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8634 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8636 (load_macho_picbase_di): Likewise.
8638 2006-02-16 Jeff Law <law@redhat.com>
8640 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8641 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8642 (ssa_name_nonzero_p): Likewise.
8643 (get_value_range): Return NULL if VRP is not running.
8644 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8645 VRP routines do not discover a range.
8646 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8647 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8648 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8649 (tree_expr_nonnegative_p): Similarly.
8650 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8651 (restore_nonzero_vars_to_original_value): Remove.
8652 (unsafe_associative_fp_binop): Remove.
8653 (tree_ssa_dominator_optimize): Remove initialization and
8654 finalization of nonzero_vars and nonzero_vars_stack.
8655 (dom_opt_initialize_block): No longer push marker on
8657 (dom_opt_finalize_block): No longer call
8658 restore_nonzero_vars_to_original_value.
8659 (record_equivalences_from_phis): No longer look for
8660 nonzero PHI arguments.
8661 (cprop_into_successor_phis): No longer propagate nonzero
8662 property into PHI arguments. Lose unused argument. Caller
8664 (record_equivalences_from_stmt): No longer record nonzero
8665 values for SSA_NAMEs.
8666 (lookup_avail_expr): No longer use nonzero_vars.
8668 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8669 for sizetype when sizetype is unsigned.
8671 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8673 PR rtl-optimization/25603
8674 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8675 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8676 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8677 with new meaning of SETS.
8679 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8684 * config/linux.opt: New file.
8685 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8686 LINUX_DYNAMIC_LINKER): Define.
8687 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8688 * config.gcc (*-*-linux*): Define extra_options.
8689 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8690 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8691 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8692 GLIBC_DYNAMIC_LINKER.
8693 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8694 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8695 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8696 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8697 * doc/invoke.texi (GNU/Linux Options): New section.
8699 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8701 * config/sparc/sparc.md (setjmp): Rewrite.
8702 (setjmp_32): Delete.
8703 (setjmp_64): Likewise.
8705 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8707 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8710 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8712 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8715 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8717 PR rtl-optimization/26296
8718 * Makefile.in (loop-invariant.c): Add except.h dependency.
8719 * loop-invariant.c: Include except.h.
8720 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8722 2005-02-16 Paul Brook <paul@codesourcery.com>
8724 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8727 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8729 PR rtl-optimization/25636
8730 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8731 when deciding whether an insn is an initializing insn.
8733 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8735 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8736 (tree_code_size): Ditto.
8737 * tree.h (struct tree_memory_tag): Remove parent_var.
8738 (struct tree_struct_field_tag): New.
8741 (union tree_node): Add sft member.
8742 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8744 (create_sft): Add size and offset argument, set SFT_OFFSET and
8746 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8747 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8748 * tree-flow-inline.h (get_subvar_at): Update for
8749 SFT_OFFSET/SFT_SIZE.
8750 (var_can_have_subvars): Ditto.
8751 (overlap_subvar): Ditto.
8752 * print-tree.c (print_node): Print out interesting things for
8754 * tree-flow.h (struct subvar): Remove offset and size members.
8755 * tree-ssa-operands.c (get_expr_operands): Update for
8756 get_indirect_ref_operands changes.
8757 (get_indirect_ref_operands): Call add_virtual_operand instead of
8758 add_stmt_operand. Only recurse on base var if requested.
8759 (access_can_touch_variable): New function.
8760 (add_stmt_operand): Split virtual operand handling into ...
8761 (add_virtual_operand): Here. Add offset, size, and for_clobber
8762 arguments. Prune alias sets.
8763 (add_call_clobber_ops): Call add_virtual_operand.
8765 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8768 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8770 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8771 than TREE_CODE as index into omp_clause_num_ops array.
8773 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8775 PR rtl-optimization/26184
8776 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8778 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8779 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8780 must_precede, must_follow and tobe_scheduled.
8783 * opts.c (common_handle_option): Free new_option pointer.
8784 * df-core.c (df_analyze): Free postorder pointer.
8786 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8788 * Makefile.in: Fix the examples about the use of stamps
8790 2006-02-15 Michael Matz <matz@suse.de>
8794 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8795 influenced by maximum_field_alignment or DECL_PACKED.
8796 (update_alignment_for_field): Ditto.
8797 (place_field): Ditto.
8798 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8801 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8803 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8804 (debug_flow_info): Pass it.
8805 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8806 * bb-reorder.c (reorder_basic_blocks): Likewise.
8807 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8808 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8809 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8810 * gcse.c (gcse_main, bypass_jumps): Likewise.
8811 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8812 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8813 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8814 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8815 * rtl.h (dump_flow_info): Adjust prototype.
8816 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8817 * var-tracking.c (variable_tracking_main): Likewise.
8818 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8819 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8822 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8824 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8827 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8829 PR tree-optimization/26209
8830 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8831 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8833 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8835 2006-02-14 Roger Sayle <roger@eyesopen.com>
8838 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8839 (X,Y) and the corresponding symmetry related transformations.
8840 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8841 (X,Y) and its symmetry related transformations.
8843 2006-02-14 Roger Sayle <roger@eyesopen.com>
8845 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8848 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8850 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8852 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8855 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8856 support COMDAT group.
8857 * configure: Regenerate.
8859 2006-02-14 Roger Sayle <roger@eyesopen.com>
8864 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8866 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8868 Fix PR tree-optimization/26260
8870 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8872 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8873 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8874 * tree-ssa-structalias.c (create_variable_info_for): Use
8875 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8877 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8879 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8881 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8882 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8883 of the ending condition.
8884 * tree-ssa-loop-manip.c: Include params.h.
8885 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8886 tree_unroll_loop): New functions.
8887 * tree-pass.h (pass_loop_prefetch): Declare.
8888 * loop.c (rest_of_handle_loop_optimize): Test for
8889 -fprefetch-loop-arrays-rtl.
8890 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8891 * timevar.def (TV_TREE_PREFETCH): New timevar.
8892 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8893 pass_loop_prefetch): New.
8894 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8895 (cleanup_tree_cfg_loop): Call scev_reset.
8896 * common.opt (fprefetch-loop-arrays-rtl): Add.
8897 * tree-ssa-loop-prefetch.c: New file.
8898 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8899 (new_temp_expr_table): Initialize expr_vars.
8900 (free_temp_expr_table): Cleanup expr_vars.
8901 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8902 expressions from being merged into one.
8903 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8904 (struct tree_niter_desc): Add control, bound and cmp fields.
8905 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8907 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8908 (tree-cfgcleanup.o): Add SCEV_H dependency.
8909 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8910 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8912 2006-02-14 Richard Guenther <rguenther@suse.de>
8914 PR tree-optimization/26258
8915 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8916 in PHI argument processing.
8918 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8920 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8921 new expression in the requested machine mode.
8923 2006-02-13 Roger Sayle <roger@eyesopen.com>
8925 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8926 directly, instead let do_compare_rtx_and_jump handle this for us.
8927 * expr.c (expand_expr_real_1): Likewise.
8928 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8929 before do_jump_by_parts_greater.
8930 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8931 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8933 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8935 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8937 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8939 PR rtl-optimization/26235
8940 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8941 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8944 2006-02-13 Jeff Law <law@redhat.com>
8946 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8949 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8952 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8953 twice if decl is a builtin. When trying again, call get_callee_fndecl
8954 first to verify it is still a builtin.
8956 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8958 * dwarf2out.c (base_type_die): Don't add AT_name here.
8959 (subrange_type_die): Don't add AT_name here.
8960 (modified_type_die): Rearrange code flow. Do add AT_name here.
8962 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8964 PR rtl-optimization/26247
8965 PR rtl-optimization/26248
8966 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8968 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8970 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8971 * config/fixtfdi.c: Likewise.
8972 * config/fixunstfdi.c: Likewise.
8973 * config/floatditf.c: Likewise.
8975 2006-02-13 Roger Sayle <roger@eyesopen.com>
8978 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8979 into (X,C2) if C1 is a subset of the bits of C2. Transform
8980 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8982 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8984 2006-02-13 Josh Conner <jconner@apple.com>
8987 * varasm.c (function_section): Check for section name before
8988 calling select_section on targets that define
8989 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8990 unlikely_text_section instead of hot_function_section if
8991 first_function_block_is_cold.
8993 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8996 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8998 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9000 PR rtl-optimization/26222
9001 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9002 after tree->rtl expansion.
9003 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9004 before passing it to emit_move_insn.
9006 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9008 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9010 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9011 Clarify documentation.
9012 * c-common.h (warn_write_strings): Remove.
9013 * c-common.c (warn_write_strings): Likewise.
9014 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9017 2006-02-12 Roger Sayle <roger@eyesopen.com>
9020 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9021 (do_jump_parts_zero_rtx): New function renamed from
9022 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9023 (do_jump_parts_equality_rtx): New function split out from
9024 do_jump_parts_equality. Old implementation renamed as above.
9025 Call do_jump_parts_zero_rtx if either operand is zero.
9026 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9027 do all of the heavy lifting.
9028 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9029 calling either do_jump_by_parts_greater_rtx or
9030 do_jump_by_parts_equality_rtx.
9031 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9032 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9033 moved to do_compare_rtx_and_jump, call it directly.
9034 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9035 mode argument. Call do_compare_rtx_and_jump.
9036 (emit_case_nodes): Update calls to do_jump_if_equal.
9038 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9040 PR rtl-optimization/26225
9041 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9043 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9045 PR rtl-optimization/26232
9046 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9048 2006-02-11 Jason Merrill <jason@redhat.com>
9051 * tree-inline.c (declare_return_variable): Just don't use the
9052 modify target if it's a gimple complex reg and the return slot
9055 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9057 * doc/contrib.texi: Update my entry.
9059 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9061 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9063 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9065 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9068 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9070 * doc/invoke.texi (-floop-optimize2): Removed.
9071 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9072 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9073 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9074 * common.opt (floop-optimize2): Removed.
9075 (fmove-loop-invariants): Enabled by default.
9077 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9079 * tree-if-conv.c (combine_blocks): Free the result of
9080 get_loop_exit_edges.
9082 2006-02-10 Jeff Law <law@redhat.com>
9084 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9086 PR tree-optimization/26213
9087 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9088 loop trying to follow SSA_NAME_VALUE chains.
9090 2006-02-10 Richard Guenther <rguenther@suse.de>
9092 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9093 deal with structures that end in implicitly variable sized arrays.
9095 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9097 PR rtl-optimization/24762
9098 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9101 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9103 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9104 (struct ivopts_data): Add regs_used field.
9105 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9106 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9107 instead of loop_data->regs_used;
9108 (free_loop_data): Do not free aux fields for loops.
9109 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9110 and tree_ssa_iv_optimize_finalize.
9112 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9114 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9116 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9119 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9120 computing the effective result type.
9122 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9125 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9126 (tree_overlaps_hard_reg_set): Declare.
9127 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9128 type and signature to match function type expected by walk_tree.
9129 (tree_overlaps_hard_reg_set): New function.
9130 (decl_conflicts_with_clobbers_p): Rename to:
9131 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9132 Use tree_overlaps_hard_reg_set. Changed caller.
9133 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9134 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9135 * cris.c (cris_md_asm_clobbers): Likewise.
9137 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9139 * reload1.c (emit_input_reload_insns): Delete code that tries to
9140 inherit using find_equiv_reg.
9142 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9144 * c-common.h (flag_const_strings): Don't declare.
9145 * c-common.c (flag_const_strings): Remove.
9146 * c.opt (fconst_strings): Remove.
9147 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9148 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9149 (c_common_init_options): Don't set flag_const_strings.
9150 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9152 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9154 * arm.md (tlobits_cbranch): New pattern.
9155 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9156 testing a single bit.
9158 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9161 * tree-ssa-pre.c (create_component_ref_by_pieces):
9162 Handle RETURN_DECL like VAR_DECL.
9164 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9167 * fold-const.c (fold_indirect_ref_1): Fold
9168 "*(foo *)&complexfoo" to "__real__ complexfoo"
9169 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9171 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9173 * tree-flow-inline.h (var_can_have_subvars):
9174 Volatile variables should not have subvariables.
9176 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9179 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9180 multiplying unsigned values.
9183 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9185 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9187 2006-02-08 Jason Merrill <jason@redhat.com>
9190 * tree.def: Elaborate on difference from MODIFY_EXPR.
9191 * doc/c-tree.texi (INIT_EXPR): Likewise.
9192 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9193 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9194 (gimplify_target_expr): Likewise.
9195 (gimplify_cond_expr): Remove target handling.
9196 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9197 (gimplify_expr): Clobber it here.
9198 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9199 Do return slot optimization if we have an INIT_EXPR.
9202 * tree-inline.c (declare_return_variable): Also clear
9203 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9206 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9209 * gimplify.c (gimplify_one_sizepos): Fix typo.
9211 2006-02-08 Jeff Law <law@redhat.com>
9213 PR tree-optimization/21417
9214 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9215 across a backedge if the control statement at the end of the
9216 block is data dependent on other statements in the same block.
9217 (record_temporary_equivalences_from_stmts): Remove over-conservative
9218 test for threading across backedges.
9220 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9221 control statement, handle all three special cases in the same
9222 manner as they all have the same desired solution. No longer
9223 special case edge flag updating when the post dominator is
9226 2006-02-08 Roger Sayle <roger@eyesopen.com>
9228 * tree.def (CHAR_TYPE): Remove.
9229 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9230 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9231 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9232 (gen_string_type_die): Delete unreachable function.
9234 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9235 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9236 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9237 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9238 * builtins.c (type_to_class): Likewise.
9239 * fold-const.c (fold_convert, build_range_check,
9240 merge_ranges): Likewise.
9241 * expr.c (count_type_elements): Likewise.
9242 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9243 * stor-layout.c (layout_type): Likewise.
9244 * ipa-type-escape.c (type_to_consider): Likewise.
9245 * gimplify.c (omp_firstprivatize_type_sizes,
9246 gimplify_type_sizes): Likewise.
9247 * explow.c (promote_mode): Likewise.
9248 * tree-sra.c (is_sra_scalar_type): Likewise.
9249 * varasm.c (output_constant): Likewise.
9250 * tree-inline.c (remap_type_1): Likewise.
9251 * convert.c (convert_to_pointer, convert_to_real,
9252 convert_to_integer, convert_to_complex): Likewise.
9254 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9256 * df-scan.c (df_def_record_1): A set destination may
9257 be a parallel regardless of mode.
9259 2006-02-08 Roger Sayle <roger@eyesopen.com>
9262 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9263 * config/mips/_tilib.c: Remove.
9264 * config/fixtfdi.c: New libgcc source file.
9265 * config/fixunstfdi.c: New source file.
9266 * config/floatditf.c: New source file.
9267 * config/floatunditf.c: New souce file.
9268 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9269 files above instead of config/mips/_tilib.c.
9270 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9272 2006-02-08 Jeff Law <law@redhat.com>
9274 PR tree-optimization/26169
9275 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9278 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9280 * df.h (DF_REG_SIZE): Return the length of the initialized
9283 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9285 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9286 __muldf3): Return a correctly signed zero.
9288 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9290 * passes.c (register_one_dump_file): Accept the current properties
9291 instead of pass number. Adjust call to dump_register. Remove
9293 (register_dump_files): Now a wrapper around...
9294 (register_dump_files_1): ... this one. Do not modify the pass
9296 (next_pass_1): Cosmetic fix.
9297 (execute_todo): Keep second parameter only. Use curr_properties
9298 instead of fetching it from the pass structure. Check and set
9300 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9301 instead of fetching it from the pass structure. Fix calls to
9302 execute_todo. Update curr_properties and initialize .vcg RTL dump
9303 after running the pass. Reset last_verified.
9304 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9306 (FIRST_AUTO_NUMBERED_DUMP): New.
9307 (dump_register): Remove "num" parameter, assign it within the
9309 (get_dump_file_name): Modify template for dumps.
9310 * tree-dump.h (dump_register): Adjust prototype.
9311 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9312 (PROP_trees): Add PROP_gimple_lomp.
9313 (TODO_set_props): New.
9314 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9315 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9316 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9318 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9320 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9321 (sparc64-*-linux*): Likewise.
9322 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9323 * config/sparc/t-linux: New file.
9324 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9325 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9326 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9327 -m32 -mlong-double-128.
9329 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9330 * config/alpha/t-linux: New file.
9331 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9333 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9334 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9335 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9336 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9337 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9338 (CPP_ARCH32_SPEC): Remove.
9340 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9342 PR tree-optimization/26145
9343 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9346 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9349 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9350 >= 240000 when generating code for SOM runtime.
9351 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9352 to $$dyncall when generating code for SOM runtime..
9354 2006-02-07 Dirk Mueller <dmueller@suse.com>
9357 * doc/invoke.texi (-Wsequence-point): Update documentation
9358 that -Wsequence-point is implemented for C++ as well.
9360 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9362 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9363 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9364 (LIB_SPEC): Likewise.
9365 * doc/invoke.texi (SPARC options): Document -pthread.
9367 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9369 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9372 2006-02-07 Roger Sayle <roger@eyesopen.com>
9374 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9375 Correct comment describing BOOLEAN_TYPE.
9377 2006-02-07 Dirk Mueller <dmueller@suse.com>
9379 * c.opt: C++ frontend supports -Wdiv-by-zero.
9380 * c-opts.c (c_common_handle_option): Remove dead case.
9382 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9384 * configure.ac (TLS assembler check): Do not enable TLS by
9385 default on SPARC/Solaris before version 10.
9386 * configure: Regenerate.
9388 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9390 * doc/invoke.texi (xl-compat): Document conversion and support
9393 2006-02-07 Jeff Law <law@redhat.com>
9395 * tree-vrp.c (find_conditional_asserts): Update comments.
9396 (simplify_stmt_for_jump_threading): New.
9397 (identify_jump_threads, finalize_jump_threads): New.
9398 (vrp_finalize): Call identify_jump_threads.
9399 (execute_vrp): Call finalize_jump_threads.
9400 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9401 (vrp_element, vrp_data, vrp_element_p): Remove.
9402 (vrp_hash_elt, vrp_variables_stack): Remove.
9403 (vrp_hash, vrp_eq, record_range): Remove.
9404 (simplify_cond_and_lookup_avail_expr): Remove.
9405 (extract_range_from_cond): Remove.
9406 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9407 (simplify_stmt_for_jump_threading): New.
9408 (dom_thread_across_edge): New wrapper.
9409 (tree_ssa_dominator_optimize): No longer initialize or
9410 finalize any of the VRP datastructures. Remove iteration
9411 step and simplify as a result of removal of iteration step.
9412 (pass_dominator): Perform a cfg cleanup after DOM.
9413 (dom_opt_finalize_block): Use the new common routines
9414 for threading jumps. Simplify stack management slightly.
9415 No longer need to unwind VRP state.
9416 (record_equivalences_from_incoming_edge): No longer record
9418 (eliminate_redundant_computations): No longer call
9419 simplify_cond_and_lookup_avail_expr.
9420 * tree-flow.h (potentially_threadable_block): Prototype.
9421 (thread_across_edge): Likewise.
9422 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9423 (tree-ssa-threadedge.o): Add dependencies.
9424 * tree-ssa-threadedge.c: New file.
9425 * passes.c (init_optimization_passes): Merge PHIs before
9426 calling VRP. Run VRP again late in the SSA optimization pipeline.
9428 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9430 * df-core.c (df_set_blocks): Do not dereference function pointers.
9431 (df_finish1): Likewise.
9432 (df_hybrid_search_forward): Likewise.
9433 (df_hybrid_search_backward): Likewise.
9434 (df_iterative_dataflow): Likewise.
9435 (df_analyze_problem): Likewise.
9436 (df_compact_blocks): Likewise.
9437 (df_dump): Likewise.
9438 * df-scan.c (df_rescan_blocks): Likewise.
9439 (df_record_entry_block_defs): Likewise.
9441 * genconditions.c (write_conditions): Guard the definition of
9442 'insn_conditions' with the check on GCC version.
9443 (write_writer): Guard the traversal 'insn_conditions' with
9444 the check on GCC version.
9446 2006-02-07 Richard Guenther <rguenther@suse.de>
9450 2006-01-30 Richard Guenther <rguenther@suse.de>
9452 * gimplify.c (gimplify_target_expr): Handle easy cases
9453 without creating a temporary.
9455 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9457 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9458 use of float in probability computations. Use edge probabilities
9459 in place of statically computed probabilities.
9460 (min_spec_prob): New static variable.
9461 (schedule_insns): Initialize it.
9462 (GET_SRC_PROB): Removed.
9463 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9465 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9468 * config/ia64/unwind-ia64.c: Revert last change.
9469 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9470 (INCOMING_FRAME_SP_OFFSET): Define.
9472 2006-02-06 Roger Sayle <roger@eyesopen.com>
9474 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9476 2006-02-07 Ben Elliston <bje@au.ibm.com>
9478 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9479 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9480 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9481 (ix86_return_in_memory): Handle TDmode.
9482 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9483 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9485 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9487 * reorg.c (dbr_schedule): Use dump_file instead of file.
9489 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9492 * config/ia64/predicates.md (extr_len_operand): New predicate.
9493 * config/ia64/ia64.md (extv): Tighten constraints.
9495 (*tbit_and_2): Ditto.
9496 (*tbit_and_3): Ditto.
9497 (*tbit_or_2): Ditto.
9498 (*tbit_or_3): Ditto.
9502 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9505 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9507 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9509 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9510 loop_optimizer_init and loop_optimizer_finalize
9511 * tree-ssa-sink.c (execute_sink_code): Ditto.
9512 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9513 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9514 tree_ssa_loop_done): Ditto.
9515 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9516 * sched-ebb.c: Include output.h.
9517 (schedule_ebbs): Do not use dump argument.
9518 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9519 * loop.c (loop_dump_stream): Removed.
9520 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9522 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9523 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9524 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9525 loop_iterations, strength_reduce, record_biv, record_giv,
9526 final_giv_value, check_final_value, check_ext_dependent_givs,
9527 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9528 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9529 dump_file instead of loop_dump_stream.
9530 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9532 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9534 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9535 * haifa-sched.c: Include output.h
9536 (schedule_insns, sched_init): Do not use dump argument.
9537 * mode-switching.c (optimize_mode_switching): Ditto.
9538 * modulo-sched.c (stats_file): Removed.
9539 (print_node_sched_params): Do not call argument dump_file.
9540 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9541 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9543 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9545 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9546 rtl_loop_init, rtl_loop_done): Ditto.
9547 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9548 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9550 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9551 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9552 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9553 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9554 * emit-rtl.c (renumber_insns): Ditto.
9555 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9556 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9557 * regclass.c (regclass): Ditto.
9558 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9559 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9560 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9561 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9563 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9564 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9566 * gcse.c (gcse_file, debug_stderr): Removed.
9567 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9568 rest_of_handle_gcse): Do not use dump argument.
9569 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9570 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9571 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9572 compute_code_hoist_vbeinout, compute_code_hoist_data,
9573 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9574 compute_store_table, build_store_vectors, insert_insn_start_bb,
9575 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9576 store_motion): Use dump_file instead of gcse_file.
9577 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9578 * profile.c (profile_dump_file): Removed.
9579 (branch_prob): Use dump_file instead of profile_dump_file.
9580 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9582 * tree-ssa-copy.c (dump_copy_of): Ditto.
9583 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9584 dump file to life_analysis.
9585 * bt-load.c (branch_target_load_optimize): Ditto.
9586 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9588 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9589 regclass, dbr_schedule): Declaration changed.
9590 * sched-int.h (sched_init): Declaration changed.
9591 * tree-profile.c (tree_profile_dump_file): Removed.
9592 (tree_profile_hooks): Removed profile_dump_file hook.
9593 * rtl-profile (rtl_profile_dump_file): Removed.
9594 (rtl_profile_hooks): emoved profile_dump_file hook.
9595 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9597 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9598 * tree-cfg.c (build_tree_cfg): Ditto.
9599 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9600 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9601 Declaration changed.
9602 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9603 life_analysis and schedule_insns.
9604 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9606 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9608 * config/mips/mips.c (mips_reorg): Ditto.
9609 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9612 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9614 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9615 (s390_mangle_fundamental_type): New.
9616 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9619 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9620 (alpha_mangle_fundamental_type): New.
9621 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9624 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9626 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9628 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9629 (sparc_mangle_fundamental_type): New.
9631 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9633 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9634 (s390x-*-linux*): Likewise.
9635 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9636 * config/s390/t-linux: New file.
9638 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9640 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9641 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9643 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9645 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9646 (ANTIC_SAFE_LOADS): New macro.
9647 (find_or_generate_expression): Add prototype.
9648 (set_contains_value): Allow null set for sake of not always having
9649 to allocate ANTIC_SAFE_LOADS.
9650 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9651 Allow COMPONENT_REF too.
9652 (valid_in_set): Allow COMPONENT_REF.
9653 Check ANTIC_SAFE_LOADS too.
9654 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9655 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9657 (can_PRE_operation): Add COMPONENT_REF.
9658 (create_component_ref_by_pieces): New function.
9659 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9660 (insert_aux): Move AGGREGATE_TYPE_P check here.
9661 (compute_avail): Set bb local stmt uids.
9662 (pass_pre): Use TODO_update_ssa_only_virtuals.
9664 2006-02-06 Ben Elliston <bje@au.ibm.com>
9666 * configure.ac: Unconditionally disable decimal float by default.
9667 * configure: Regenerate.
9669 2006-02-06 Ben Elliston <bje@au.ibm.com>
9671 * read-rtl.c (read_name): Terminate reading on EOF.
9673 2006-02-06 Ben Elliston <bje@au.ibm.com>
9675 * dfp.c (decimal_real_arithmetic): Change second argument type
9676 from int to enum tree_code. Do not always return true, but now
9677 return result of any call to decimal_do helper functions.
9678 * dfp.h (decimal_real_arithmetic): Update prototype.
9680 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9682 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9684 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9687 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9690 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9692 * tree-vrp.c (cfg_loops): Removed.
9693 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9694 Use current_loops instead of cfg_loops. Pass flags to
9695 loop_optimizer_init.
9696 * cfgloopmanip.c (fix_loop_structure): Update only available
9698 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9699 loop_optimizer_init.
9700 * modulo-sched.c (build_loops_structure): Removed.
9701 (sms_schedule): Use loop_optimizer_init.
9702 * loop-init.c (loop_optimizer_init): Use flags to determine
9703 which properties of loops to prepare.
9704 (rtl_loop_init): Pass flags to loop_optimizer_init.
9705 * tree-ssa-sink.c (execute_sink_code): Ditto.
9706 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9707 * tree-ssa-pre.c (init_pre): Ditto.
9708 * cfgloop.h (LOOPS_NORMAL): New.
9709 (loop_optimizer_init): Declaration changed.
9711 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9713 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9714 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9716 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9718 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9720 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9721 * pa/t-pa64: Delete quadlib.c rule.
9722 * pa/x-ada: Revert last change.
9723 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9725 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9727 PR rtl-optimization/26087
9728 * rtlanal.c (canonicalize_condition): Do not cross basic block
9731 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9734 * config/ia64/ia64.c: Include debug.h.
9735 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9736 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9737 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9738 (process_epilogue, process_set, process_for_unwind_directive):
9739 Output unwind info only if requested. Add CFA info if requested.
9740 Add new arguments as needed. Adjust callers.
9741 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9743 (DWARF2_FRAME_INFO): Define to zero.
9744 * config/ia64/unwind-ia64.c: Remove code that compensated for
9745 the CFA offset error fixed above.
9746 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9747 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9748 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9749 -funwind-tables and -fexceptions to enable frame info.
9750 (dwarf2out_frame_init): Define initial CFA even if
9751 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9752 DWARF2_UNWIND_INFO is nonzero, not just defined.
9753 (dwarf2out_frame_finish): Output non-EH call frame info only
9754 if DWARF2_FRAME_INFO is nonzero.
9755 (convert_cfa_to_loc_list,
9756 compute_frame_pointer_to_cfa_displacement): Define even if
9757 unwind info is not supported.
9758 (gen_subprogram_die): Use the above unconditionally. Remove
9759 legacy alternate code.
9760 * toplev.c (compile_file): Compile in call to
9761 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9762 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9764 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9765 Jakub Jelinek <jakub@redhat.com>
9767 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9768 IBM extended float format long double as "g" on powerpc*-linux.
9770 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9773 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9774 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9776 2006-02-03 Jason Merrill <jason@redhat.com>
9779 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9782 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9783 on the return slot if it's an NRV.
9785 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9787 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9788 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9789 rewrite_use): Do not handle USE_OUTER.
9790 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9791 add_iv_outer_candidates, may_replace_final_value,
9792 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9793 (find_interesting_uses_op): Functionality of
9794 find_interesting_uses_outer_or_nonlin moved here.
9795 (find_interesting_uses_outside): Use find_interesting_uses_op.
9797 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9800 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9802 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9803 Ulrich Weigand <uweigand@de.ibm.com>
9806 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9807 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9808 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9809 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9811 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9812 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9813 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9814 Define secondary reloads for TFmode moves.
9815 (constant_modes): Add TFmode.
9816 (NR_C_MODES): Set to 8.
9817 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9819 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9820 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9821 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9822 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9823 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9824 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9825 (FPR mode macro): Add TFmode.
9826 (DSF mode macro): New.
9827 (<de>, <dee> mode attributes): Removed.
9828 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9829 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9830 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9831 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9832 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9833 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9834 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9835 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9836 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9837 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9838 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9839 "*negabs<mode>2", "sqrt<mode>2"):
9840 Changed <de> to <xde>. R constraint replaced by <Rf>.
9841 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9843 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9844 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9845 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9847 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9848 "extenddftf2", "extendsftf2"): New expanders.
9849 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9850 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9851 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9852 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9854 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9855 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9856 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9857 __floatditf): Add a GCC_4.1.0 symbol version tag.
9858 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9861 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9864 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9865 Use targetm.binds_local_p instead of TREE_PUBLIC.
9867 2006-02-02 Roger Sayle <roger@eyesopen.com>
9869 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9870 on INTEGER_TYPEs to indicate that it denotes a character type.
9871 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9872 signed_char_type_node, unsigned_char_type_node and char_type_node.
9873 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9874 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9875 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9877 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9878 Daniel Berlin <dberlin@dberlin.org>
9880 * tree-tailcall.c (arg_needs_copy_p): New function.
9881 (eliminate_tail_call): Use arg_needs_copy_p.
9882 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9883 (add_virtual_phis): New function.
9885 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9887 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9888 #ignore instead of #scratch for %g7 .register directive.
9890 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9892 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9895 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9897 * flow.c (calculate_global_regs_live): Assert that there aren't any
9900 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9902 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9904 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9905 bsi_after_labels iterator.
9906 * tree-if-conv.c (find_phi_replacement_condition,
9907 replace_phi_with_cond_modify_expr): Likewise.
9908 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9909 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9911 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9913 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9915 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9918 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9919 array after growing it.
9921 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9924 * fold-const.c (fold_checksum_tree): Change type of buf.
9926 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9928 * reload.c (push_secondary_reload): Initialize t_icode.
9930 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9932 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9933 -msoft-float -mlong-double-128 only issue a warning, but don't
9934 swich to DFmode long double.
9936 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9938 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9939 has a constant equivalent, iterate over equivalents for arg0,
9940 calling simplify_relational_operation and if there's a result
9941 cheaper than X, apply fold_rtx and return the result.
9943 2006-02-01 Jan Hubicka <jh@suse.cz>
9945 * opts.c (no_unit_at_a_time_default): New global variable.
9946 (decode_options): Use it.
9947 * opts.h (no_unit_at_a_time_default): Declare.
9949 2006-02-01 Paul Brook <paul@codesourcery.com>
9951 * function.c (assign_parm_setup_reg): Use function argument promotion
9953 * expr.c (expand_expr_real_1): Use function argument promotion rules
9956 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9958 * gcc.c (process_command): Change j to 'unsigned int'.
9960 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9963 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9964 Use the corrected index for the character
9965 out of the string constant.
9967 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9969 * mode-switching.c (optimize_mode_switching): Fix size
9970 allocated for bb_info[n_entities].
9972 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9974 * gcc.c (main): Correct type that is allocated for
9975 explicit_link_files.
9977 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9979 * config/s390/s390.c (init_alignment_context): Set
9980 ALIAS_SET_MEMORY_BARRIER on the MEM.
9981 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9983 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9986 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9988 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9991 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9993 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9994 * regrename.c: Ditto.
9995 * tree-ssa-loop-im.c: Ditto.
9996 * tree-dump.c: Ditto.
9997 * tree-complex.c: Ditto.
9998 * genrecog.c: Ditto.
9999 * tree-ssa-threadupdate.c: Ditto.
10001 * java/class.c: Ditto.
10002 * java/jcf-parse.c: Ditto.
10003 * java/resource.c: Ditto.
10004 * java/except.c: Ditto.
10005 * java/jvspec.c: Ditto.
10006 * java/jcf-write.c: Ditto.
10007 * java/jcf-path.c: Ditto.
10008 * java/gjavah.c: Ditto.
10009 * java/zextract.c: Ditto.
10010 * java/jcf-io.c: Ditto.
10011 * java/jcf.h: Ditto.
10012 * java/buffer.c: Ditto.
10013 * java/lang.c: Ditto.
10014 * java/parse-scan.y: Ditto.
10015 * java/lex.c: Ditto.
10016 * java/lex.h: Ditto.
10017 * cfgloopmanip.c: Ditto.
10018 * postreload-gcse.c: Ditto.
10019 * tree-ssa-loop-manip.c: Ditto.
10020 * postreload.c: Ditto.
10021 * tree-ssa-loop-ch.c: Ditto.
10024 * cppspec.c: Ditto.
10025 * diagnostic.c: Ditto.
10027 * genoutput.c: Ditto.
10029 * cfghooks.c: Ditto.
10030 * cfgloopanal.c: Ditto.
10031 * objc/objc-act.c: Ditto.
10033 * genextract.c: Ditto.
10034 * genautomata.c: Ditto.
10035 * pretty-print.c: Ditto.
10036 * genemit.c: Ditto.
10037 * cgraphunit.c: Ditto.
10039 * df-scan.c: Ditto.
10040 * haifa-sched.c: Ditto.
10041 * dominance.c: Ditto.
10043 * tree-ssa-loop-ivopts.c: Ditto.
10044 * df-core.c: Ditto.
10045 * mode-switching.c: Ditto.
10046 * modulo-sched.c: Ditto.
10048 * ipa-pure-const.c: Ditto.
10050 * fix-header.c: Ditto.
10052 * tree-stdarg.c: Ditto.
10053 * ipa-utils.c: Ditto.
10054 * loop-init.c: Ditto.
10055 * ipa-inline.c: Ditto.
10056 * cfganal.c: Ditto.
10058 * alloc-pool.c: Ditto.
10059 * dwarf2out.c: Ditto.
10061 * genattrtab.c: Ditto.
10062 * tree-ssa-loop-ivcanon.c: Ditto.
10063 * predict.c: Ditto.
10064 * timevar.c: Ditto.
10066 * fortran/gfortranspec.c: Ditto.
10067 * regmove.c: Ditto.
10068 * local-alloc.c: Ditto.
10069 * langhooks.c: Ditto.
10070 * function.c: Ditto.
10071 * tree-vectorizer.c: Ditto.
10073 * ipa-type-escape.c: Ditto.
10075 * tree-if-conv.c: Ditto.
10076 * profile.c: Ditto.
10078 * tree-data-ref.c: Ditto.
10079 * loop-unroll.c: Ditto.
10080 * treelang/treetree.c: Ditto.
10082 * bt-load.c: Ditto.
10083 * ggc-common.c: Ditto.
10085 * coverage.c: Ditto.
10087 * tree-cfgcleanup.c: Ditto.
10088 * tree-ssa-pre.c: Ditto.
10089 * cfgcleanup.c: Ditto.
10090 * loop-invariant.c: Ditto.
10091 * loop-iv.c: Ditto.
10092 * ipa-prop.c: Ditto.
10093 * print-tree.c: Ditto.
10094 * conflict.c: Ditto.
10095 * ggc-page.c: Ditto.
10096 * sched-deps.c: Ditto.
10097 * regclass.c: Ditto.
10098 * tree-object-size.c: Ditto.
10099 * combine.c: Ditto.
10100 * bb-reorder.c: Ditto.
10101 * resource.c: Ditto.
10102 * var-tracking.c: Ditto.
10103 * cfgloop.c: Ditto.
10104 * df-problems.c: Ditto.
10105 * reg-stack.c: Ditto.
10107 * gccspec.c: Ditto.
10108 * sched-rgn.c: Ditto.
10109 * tree-ssa-structalias.c: Ditto.
10110 * tree-ssa-reassoc.c: Ditto.
10111 * config/darwin-c.c: Ditto.
10112 * config/darwin.c: Ditto.
10113 * config/arm/arm.c: Ditto.
10115 * collect2.c: Ditto.
10116 * reload1.c: Ditto.
10118 2006-01-31 Nicolas Pitre <nico@cam.org>
10120 * arm.md (smaxsi3): Make aware of smax_m1.
10123 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10125 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10127 2006-01-31 Richard Guenther <rguenther@suse.de>
10129 * doc/invoke.texi (-msselibm): Document.
10130 * target.h (expand_library_builtin): New target hook.
10131 * builtins.c (expand_builtin): Use expand_library_builtin.
10132 (default_expand_library_builtin): New function.
10133 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10134 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10135 (link_gcc_math_spec): Declare.
10136 (static_specs): Add link_gcc_math_spec.
10137 * expr.h (default_expand_library_builtin): Declare.
10138 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10139 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10140 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10141 * config/i386/i386.opt (msselibm): New target option.
10142 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10143 (ix86_init_sse_abi_builtins): New function.
10144 (ix86_expand_library_builtin): Likewise.
10145 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10146 (override_options): Handle error conditions wrt -msselibm.
10147 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10148 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10149 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10152 2006-01-31 Richard Guenther <rguenther@suse.de>
10153 Paolo Bonzini <bonzini@gnu.org>
10155 * doc/install.texi (--disable-libgcc-math): Document.
10157 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10159 * expr.h (expand_normal): new inline function.
10160 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10161 * dojump.c: use it.
10162 * dwarf2out.c: use it.
10165 * expmed.c: use it.
10166 * except.c: use it.
10167 * config/sparc/sparc.c: use it.
10168 * config/i386/i386.c: use it.
10169 * config/rs6000/rs6000.c: use it.
10170 * config/arm/arm.c: use it.
10171 * config/mips/mips.c: use it.
10172 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10174 2006-01-30 Roger Sayle <roger@eyesopen.com>
10176 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10177 argv to the appropriate type.
10179 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10181 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10184 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10187 * config/s390/s390.c (struct machine_function): New flag
10188 decomposed_literal_pool_addresses_ok_p.
10189 (s390_reorg): Set it before final stage of literal pool transforms.
10190 (s390_decompose_address): Only accept displacements of the form
10191 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10193 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10195 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10196 the comparison routine return.
10198 2006-01-30 Michael Matz <matz@suse.de>
10200 * global.c (find_reg): Only evict for global regs.
10201 Take n_refs into account and dump more info.
10203 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10206 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10207 (pragma_trap, pragma_nosave_low_regs): Likewise.
10208 (current_function_anonymous_args): Likewise.
10209 (sh_deferred_function_attributes): New variable.
10210 (sh_deferred_function_attributes_tail): Likewise.
10211 (print_operand): For '@', look up trap_exit attribute.
10212 (calc_live_regs): Look up trapa_handler attribute. For trapa
10213 handlers, save/restore fpscr, but don't do any other
10214 interrupt-specific saves.
10215 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10216 Fix check for partially saved registers to check for SHmedia.
10217 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10218 (sh_output_function_epilogue): Don't clear any of the removed
10220 (sh_insert_attributes): Don't check pragma_interrupt.
10221 Insert deferred attributes. Check that interrupt attribute is
10222 present for other attributes that require its presence.
10223 (sh_attribute_table): Add new attributes trapa_handler and
10225 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10226 Don't check for pragma_interrupt. Don't store argument.
10227 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10228 (sh_deferred_function_attributes): Declare.
10229 (sh_deferred_function_attributes_tail): Likewise.
10230 * sh.md (sp_switch_1): Add operand. Change generator caller.
10231 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10232 (*return_i): Don't use when trap_exit attribute is in effect.
10233 (*return_trapa): New insn pattern.
10234 * sh-c.c: New file.
10235 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10236 setting c_target_objs and cxx_target_objs.
10237 * t-sh: Add rule for sh-c.o.
10239 2006-01-30 Richard Guenther <rguenther@suse.de>
10242 * gimplify.c (gimplify_target_expr): Handle easy cases
10243 without creating a temporary.
10245 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10247 * vec.h (safe_grow): Remove duplicated line.
10249 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10252 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10253 (expand_omp): ... here.
10254 (expand_omp_parallel): Only remove barriers for combined
10255 parallel+workshare constructs.
10257 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10261 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10262 * tree.c (build_qualified_type): Chain the new type to the original
10263 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10264 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10265 (build_pointer_type_for_mode): Only return unqualified types.
10266 (build_reference_type_for_mode): Likewise.
10268 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10270 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10271 * Makefile.in (CXX_COMPAT_WARN): Define.
10272 * configure: Regenerate.
10274 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10277 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10280 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10282 * toplev.c: Fix thinko.
10284 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10285 Marcin Dalecki <martin@dalecki.de>
10287 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10288 (push_srcloc): Use XNEW.
10289 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10291 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10293 * df-core.c (df_set_blocks): Deleted all variable.
10295 2006-01-28 Ian Lance Taylor <ian@airs.com>
10297 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10298 cgraph_output_pending_asms.
10300 2006-01-28 Zack Weinberg <zackw@panix.com>
10302 * c.opt: Add -W(no-)overlength-strings.
10303 * doc/invoke.texi: Document it.
10304 * c-opts.c (c_common_handle_option): -pedantic implies
10305 -Woverlength-strings, if not explicitly disabled already.
10306 (c_common_post_options): -Woverlength-strings defaults to off, and
10307 is always off for C++.
10308 * c-common.c (fix_string_type): Issue warning about strings longer
10309 than is portable only if warn_overlength_strings. Rearrange code
10310 a little for clarity.
10311 * configure.in: Check for -Wno-overlength-strings as well before
10312 enabling -pedantic in stage 1.
10313 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10314 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10316 * genconditions.c (write_header, write_one_condition)
10317 (write_conditions, write_writer): Consolidate very long strings
10318 that were broken up to fit in C89 portable limit. Don't use
10319 printf when fputs will do.
10321 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10323 * combine.c (simplify_comparison <AND>): Check
10324 TRULY_NOOP_TRUNCATION before start using a subreg.
10326 * config/mips/mips.md (*branch_zero<mode>,
10327 *branch_zero<mode>_inverted, *branch_equality<mode>,
10328 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10329 Remove mode check from comparisons.
10331 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10333 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10335 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10337 * expmed.c (const_mult_add_overflow_p): Remove.
10338 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10340 * recog.c (validate_replace_rtx_subexp): Remove.
10341 * recog.h: Remove the prototype for
10342 validate_replace_rtx_subexp.
10344 * integrate.h: Remove the prototype for
10345 copy_decl_for_inlining.
10346 * rtl.h: Remove the prototype for mark_constant_function.
10347 * tree-vectorizer.h: Remove the prototype for
10348 vect_strip_conversion.
10350 * modulo-sched.c (create_partial_schedule,
10351 free_partial_schedule, reset_partial_schedule): Make them
10354 * hooks.c (hook_bool_rtx_int_false): Remove.
10355 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10357 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10359 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10360 and -mlong-double-128 are incompatible.
10361 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10362 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10363 (TARGET_LIBGCC2_CFLAGS): Define.
10364 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10365 (TARGET_LIBGCC2_CFLAGS): Same.
10366 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10368 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10371 * c-typeck.c (build_binary_op): Perform implicit casts of
10372 operands before shortening them.
10374 * cfgloopmanip.c (split_loop_bb): Remove.
10375 * cfgloop.h: Remove the prototype for split_loop_bb.
10377 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10378 * cfgloop.h: Remove the prototype for
10379 flow_loop_outside_edge_p.
10381 * emit-rtl.c (init_virtual_regs): Make it static.
10382 * function.h: Remove the prototype for init_virtual_regs.
10384 * recog.c (peephole2_optimize): Make it static.
10385 * recog.h: Remove the prototype for peephole2_optimize.
10387 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10389 * df-scan.c (df_record_entry_block_defs): Check if
10390 INCOMING_RETURN_ADDR_RTX is defined.
10392 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10393 Kenneth Zadeck <zadeck@naturalbridge.com>
10395 PR rtl-optimization/24762
10396 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10397 * targhooks.c (hook_void_bitmap): New hook prototype.
10398 * targhoohs.h (hook_void_bitmap): Ditto.
10399 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10400 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10401 * target.h (live_on_entry): New function pointer.
10402 * df-scan.c (df_all_hard_regs): Removed.
10403 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10404 (df_scan_free_internal): Added df->entry_block_defs.
10405 (df_scan_alloc): Ditto.
10406 (df_scan_dump): Ditto.
10407 (df_uses_record): Plumbed flag field properly thru calls.
10408 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10409 This part fixes PR24762.
10410 (df_bb_refs_record): Added code to make the frame and arg
10411 pointers live in EH blocks.
10412 (df_refs_record): Added call to df_record_entry_block_defs.
10413 (df_record_entry_block_defs): New function.
10414 * df-core.c: Added comments to describe new artifical defs.
10415 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10416 (entry_block_defs): New field in struct df.
10417 (df_all_hard_regs): Deleted.
10418 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10419 * df-problems.c (df_ru_bb_local_compute_process_def):
10420 Added code to handle artifical defs in the entry to a function.
10421 (df_ru_bb_local_compute): Ditto.
10422 (df_rd_bb_local_compute_process_def): Ditto.
10423 (df_rd_bb_local_compute): Ditto.
10424 (df_lr_bb_local_compute): Ditto.
10425 (df_ur_bb_local_compute): Ditto.
10426 (df_urec_bb_local_compute): Ditto.
10427 (df_chain_create_bb): Ditto.
10428 (df_ur_local_finalize): Removed entry.
10429 (df_urec_init): Ditto.
10430 (df_urec_local_finalize): Ditto.
10431 (df_ri_bb_compute): Added detection of last use of pseudos.
10432 * Makefile.in (df-scan.o): Updated dependencies.
10433 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10434 * config/mips/mips.c (mips_set_live_on_entry): Added.
10435 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10437 * dce.c (marked_insn_p): Added code to handle artifical defs.
10439 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10441 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10443 (_mm_cvtsi128_si64): Likewise.
10444 (_mm_cvtsd_si64): Likewise.
10445 (_mm_cvttsd_si64): Likewise.
10446 (_mm_cvtsi64_sd): Likewise.
10447 (_mm_cvtsi64_si128): Likewise.
10448 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10449 (_mm_cvtsi64_m64): Likewise.
10450 (_m_to_int64): Likewise.
10451 (_mm_cvtm64_si64): Likewise.
10452 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10453 (_mm_cvttss_si64): Likewise.
10454 (_mm_cvtsi64_ss): Likewise.
10455 (_mm_cvtss_f32): Likewise.
10457 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10459 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10460 for pragma redefine_extname.
10462 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10465 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10466 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10467 -mno-minimal-toc to previous content.
10468 (bispecs): Remove goal.
10469 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10470 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10471 compatibility aliases on powerpc-*-*gnu*.
10472 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10473 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10474 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10475 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10476 (ldblspecs): New goal.
10477 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10478 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10480 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10481 L_sf_to_tf or L_df_to_tf is defined.
10483 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10484 Alan Modra <amodra@bigpond.net.au>
10487 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10488 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10489 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10490 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10491 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10492 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10493 (rs6000_override_options): Initialize rs6000_ieeequad.
10494 Initialize TFmode format to ibm_extended_format if not
10496 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10498 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10499 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10500 (function_arg_advance): IBM long double passed in two FPRs, not
10502 (function_arg): IBM long double passed in FPRs.
10503 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10504 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10505 Only multireg GPR aligned.
10506 (rs6000_init_libfuncs): Enable IBM long double functions if not
10508 (rs6000_generate_compare): Use IBM long double compare if not
10510 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10511 (TARGET_IEEEQUAD): Define.
10512 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10513 not TARGET_IEEEQUAD.
10514 * config/rs6000/rs6000.md: Enable TFmode patterns if
10516 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10517 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10518 and -mlong-double-128 are incompatible.
10519 * doc/invoke.texi (-mabi): Collect options together. Add
10520 ibmlongdouble and ieeelongdouble.
10522 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10524 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10526 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10527 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10528 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10529 * rtl.h (rtunion_def): Remove rt_ptr.
10531 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10532 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10533 * config/i386/winnt.c (i386_pe_mark_dllexport)
10534 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10536 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10538 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10540 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10544 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10545 pthread_key_delete. From John David Anglin. gthrw-ify
10546 pthread_getunique_np only if it it's not a macro. Delete
10548 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10549 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10550 __gthread_objc_condition_signal, __gthread_key_delete): Add
10551 "__attribute__ ((__unused__))" to unused arguments.
10552 (__gthread_recursive_mutex_init_function): Add missing return.
10553 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10554 gthr-posix95.h: Use macro-based approach for name redirection
10555 on targets missing weakref.
10557 2006-01-26 Zack Weinberg <zackw@panix.com>
10559 * genconditions.c (write_header): In generated code, #ifdef out
10560 all includes and fake declarations, except includes of bconfig.h
10561 and system.h, unless GCC_VERSION >= 3001. Do not include
10562 gensupport.h in any case.
10563 (write_conditions): Generate a definition of struct c_test. Add
10564 a comment to the generated #endif.
10565 (write_one_condition): Escape backslashes in string too.
10566 (write_writer): Generated code must escape backslashes and quote
10567 marks (but not newlines) in the strings it writes.
10568 * Makefile.in (build/gencondmd.o): Update dependencies.
10570 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10573 * Makefile.in (insn-automata.o): Add header file dependencies.
10574 * genautomata.c: Add includes.
10576 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10579 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10581 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10583 * configure.ac: Expect target tools paths to be passed from the toplevel
10584 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10586 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10588 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10591 * c.opt (Wpointer-sign): Init to -1.
10592 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10593 OPT_pedantic, to 0 otherwise.
10594 * doc/invoke.texi: Update.
10596 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10598 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10599 constants provided by 80387 instructions in the destination mode.
10601 2006-01-26 Richard Guenther <rguenther@suse.de>
10602 Andrew Pinski <pinskia@physics.uc.edu>
10605 partial PR tree-opt/17064
10606 * tree-ssa-structalias.c (intra_create_variable_infos):
10607 Create heap variables for incoming parameters if
10608 flag_argument_noalias > 1.
10609 (find_what_p_points_to): Look through default defs of
10612 2006-01-26 Jeff Law <law@redhat.com>
10615 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10616 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10617 within the VR_RANGE, use the VR_RANGE as the result, not the
10619 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10620 bounds for the type.
10622 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10624 * tree-ssa-alias.c (maybe_create_global_var): Change
10625 subvar walking to an assertion that we don't have subvar'd variables.
10627 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10630 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10631 Use a new variable, inner. PARM_DECLs are always non-weak.
10633 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10635 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10636 --disable-checking.
10638 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10640 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10642 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10644 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10645 (smax_insn, smin_insn, smax_0, smin_0): New.
10647 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10650 * config/cris/cris.c (cris_order_for_addsi3): New function.
10651 * config/cris/cris-protos.h: Prototype it.
10652 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10653 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10654 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10655 (split for "op.S1 [rx=rx+i],ry (swapped)")
10656 (split for "op(s|u).S1 [rx=rx+i],ry")
10657 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10658 Apply cris_order_for_addsi3 when generating addsi3 insns.
10660 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10662 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10663 (TREE_BLOCK): Add call to EXPR_CHECK.
10665 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10668 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10669 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10670 (dump_omp_clauses): ... here.
10671 (dump_generic_node): Handle OMP_CLAUSE.
10672 * tree.c (omp_clause_num_ops): New.
10673 (omp_clause_code_name): New.
10674 (tree_code_size): Handle OMP_CLAUSE.
10675 (tree_size): Likewise.
10676 (make_node): Document handling of OMP_CLAUSE.
10677 (tree_node_structure): Handle OMP_CLAUSE.
10678 (omp_clause_check_failed): New.
10679 (omp_clause_range_check_failed): New.
10680 (omp_clause_operand_check_failed): New.
10681 (build_omp_clause): New.
10682 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10683 * tree.h (enum omp_clause_code): Declare.
10684 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10685 (OMP_CLAUSE_RANGE_CHECK): Define.
10686 (OMP_CLAUSE_ELT_CHECK): Define.
10687 (omp_clause_check_failed): Declare.
10688 (omp_clause_operand_check_failed): Declare.
10689 (omp_clause_range_check_failed): Declare.
10690 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10691 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10692 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10693 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10694 (OMP_CLAUSE_IF_EXPR): Likewise.
10695 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10696 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10697 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10698 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10699 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10700 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10701 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10702 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10703 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10704 (OMP_CLAUSE_CODE): Define.
10705 (OMP_CLAUSE_SET_CODE): Define.
10706 (OMP_CLAUSE_CODE): Define.
10707 (OMP_CLAUSE_OPERAND): Define.
10708 (struct tree_omp_clause): Declare.
10709 (union tree_node): Add field 'omp_clause'.
10710 * treestruct.def (TS_OMP_CLAUSE): Define.
10711 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10712 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10713 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10714 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10715 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10716 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10717 (OMP_CLAUSE): Define.
10718 * print-tree.c (print_node): Handle OMP_CLAUSE.
10719 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10720 * c-typeck.c: Likewise.
10721 * gimplify.c: Likewise.
10722 * c-omp.c: Likewise.
10723 * tree-nested.c: Likewise.
10724 * tree-inline.c: Likewise.
10725 * c-parser.c: Likewise.
10726 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10729 2006-01-25 Roger Sayle <roger@eyesopen.com>
10731 PR rtl-optimization/25703
10732 * combine.c (try_combine): Handle zero_extract and strict_low_part
10733 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10735 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10737 * global.c: Fix comment typos.
10739 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10742 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10743 Use output_addr_const instead of assemble_name.
10745 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10747 * Makefile.in (sched-vis.o): Update dependencies.
10748 * haifa-sched.c (sched_finish): Clear current_sched_info.
10749 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10750 (dump_flow_info): Call it.
10751 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10753 * basic-block.h (dump_bb_info): Declare.
10754 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10755 option, and apply options only for dump files whose TDF_RTL,
10756 TDF_TREE, or TDF_IPA bits match.
10757 * rtl.h: Declare new functions exported from sched-vis.c.
10758 * sched-vis.c: Enable also if scheduling is not used.
10759 (print_value): Print the mode of registers if not inside scheduling.
10760 (print_insn): Make it work outside the scheduler. Beautify the output
10762 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10764 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10766 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10767 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10768 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10769 depending on the value of CONSTANT_POOL_ADDRESS_P.
10770 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10772 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10773 rather than SYMBOL_REF_DECL.
10774 (rtx_constant_pool): Remove const_rtx_sym_htab.
10775 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10776 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10777 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10778 Remove handling of const_rtx_sym_htab.
10779 (find_pool_constant): Delete.
10780 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10781 rather than find_pool_constant.
10782 (get_pool_constant_for_function): Delete.
10783 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10784 find_pool_constant.
10785 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10786 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10787 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10788 (SYMBOL_REF_CONSTANT): New macro.
10789 (get_pool_constant_for_function): Delete.
10790 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10791 rather than SYMBOL_REF_DECL.
10792 (i386_pe_mark_dllimport): Likewise.
10793 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10794 rather than SYMBOL_REF_DECL.
10795 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10796 (machopic_indirect_call_target): Likewise.
10798 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10800 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10802 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10804 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10806 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10808 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10810 2006-01-24 David Daney <ddaney@avtrex.com>
10813 * configure.ac (enable_tls): New enable option.
10814 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10815 * configure: Regenerate.
10816 * doc/install.texi (--enable-tls): Document new option.
10817 (--disable-tls): Ditto.
10819 2006-01-24 Richard Henderson <rth@redehat.com>
10821 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10822 * alias.c (true_dependence): Respect it.
10823 (canon_true_dependence, write_dependence_p): Likewise.
10824 * builtins.c (get_builtin_sync_mem): Set it.
10826 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10828 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10831 2006-01-24 DJ Delorie <dj@redhat.com>
10833 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10834 for storing constants in single-bit bitfields.
10836 2006-01-25 Ben Elliston <bje@au.ibm.com>
10838 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10840 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10843 * tree-ssa-pre.c (phi_translate): Return NULL
10844 for AGGREGATE_TYPE's.
10846 2006-01-24 Zack Weinberg <zackw@panix.com>
10848 * genautomata.c (process_state_for_insn_equiv_partition):
10849 Use xcalloc for insn_arcs_array.
10850 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10851 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10853 2006-01-24 Richard Henderson <rth@redhat.com>
10855 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10856 update all callers.
10858 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10860 PR rtl-optimization/25890
10861 PR rtl-optimization/25905
10862 * combine.c (expand_compound_operation, expand_field_assignment):
10863 Fail if the bitfield's final position is out of bounds.
10865 2006-01-24 Ian Lance Taylor <ian@airs.com>
10867 PR middle-end/25930
10868 * cgraphunit.c (cgraph_output_in_order): Don't clear
10869 cgraph_asm_nodes until after asm strings have been output.
10871 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10873 * fix-header.c (read_scan_file): Add new parameter imultilib when
10874 calling register_include_chains.
10876 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10878 * omp-low.c: Update documentation.
10880 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10881 Daniel Berlin <dberlin@dberlin.org>
10885 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10886 return from the function.
10888 2006-01-22 Zack Weinberg <zackw@panix.com>
10890 * rtl.def (match_code): Add second argument.
10891 * genpreds.c (write_extract_subexp): New function.
10892 (write_match_code): Add path argument. Use write_extract_subexp.
10893 (write_predicate_expr): Pass path to write_match_code.
10894 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10895 not perform a mode test.
10896 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10897 a subexpression does not constrain the top-level code set.
10898 * read-rtl.c (read_rtx_variadic): New function.
10899 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10900 * doc/md.texi: Document new notation.
10901 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10902 (cmpsi_operand): ... here, using new notation.
10904 2006-01-22 Zack Weinberg <zackw@panix.com>
10906 * varray.c: Remove GENERATOR_FILE #ifdefs.
10908 2006-01-22 Zack Weinberg <zackw@panix.com>
10910 * genautomata.c (output_reserved_units_table): Emit nothing if
10911 description->query_units_num is zero. Remove extra blank line.
10912 (output_cpu_unit_reservation_p): Short circuit
10913 if description->query_units_num is zero.
10915 2006-01-22 Zack Weinberg <zackw@panix.com>
10917 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10918 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10919 nor any of the random handful of variables that used to be necessary
10920 when this program was linked with rtlanal.o. Prune set of forward
10921 function declarations.
10922 (struct attr_desc): Remove static_p field.
10923 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10924 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10925 (attr_string): Do not read the character one past the length of
10927 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10928 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10929 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10930 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10931 (make_automaton_attrs): New.
10932 (main): Do not call into genautomata. Call local gen_bypass
10933 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10934 Remove special case for insn_alts.
10935 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10936 varray.h (leftover from previous change). Prune set of forward
10937 function declarations. Remove state_alts fields from all
10938 structures. Remove state_alts_table from struct automaton.
10939 Make everything except main static. Do not maintain num_dfa_decls.
10940 Do not maintain state_alts fields of various structures.
10941 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10942 (add_arc): Remove state_alts argument. All callers updated.
10943 (output_reserved_units_table): Emit #ifdef here...
10944 (output_tables): ...not here. Don't generate state_alts tables.
10945 (expand_automata): Don't generate attributes.
10946 (write_automata): Don't generate state_alts functions.
10947 (main): New function.
10948 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10949 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10950 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10951 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10952 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10953 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10954 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10955 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10957 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10958 * genattrtab.h: Delete file.
10959 * Makefile.in (OBJS-common): Add insn-automata.o.
10960 (insn-automata.o): New rule.
10961 (simple_generated_c): Add insn-automata.c.
10962 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10963 (genprogmd): Add automata.
10964 (build/genattrtab): Needs no extra objects nor libraries.
10965 (build/genautomata): Needs build/vec.o and -lm.
10967 2006-01-22 Zack Weinberg <zackw@panix.com>
10969 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10970 (output_dfa_max_issue_rate, locked_states_num): Delete.
10971 (struct automaton): Add locked_states field.
10972 (output_dead_lock_vect): Save number of locked states in
10973 automaton->locked_states. If it is zero, don't print anything.
10974 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10975 (output_internal_dead_lock_func): Only test the dead_lock_vect
10976 for automata that have locked states.
10977 (output_statistics): Always print the number of locked states for
10978 each automaton. Calculate total number of locked states here.
10979 (write_automata): Don't call output_dfa_max_issue_rate.
10980 * genattrtab.c: Define length_unit_log as a const variable.
10981 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10982 max_insn_queue_index const.
10983 * final.c (length_unit_log): Declare const.
10984 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10986 2006-01-22 Zack Weinberg <zackw@panix.com>
10988 * genautomata.c: Include vec.h, not varray.h.
10989 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10990 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10991 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10992 VEC_* macros operating on appropriately typed vectors, or to
10993 malloced arrays when the size is known in advance. Const-ify
10994 many char* variables and function arguments. No functional changes.
10995 * Makefile.in (build/varray.o): Delete rule.
10996 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10997 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10999 2006-01-22 Zack Weinberg <zackw@panix.com>
11001 * gensupport.c: Define get_insn_name and record_insn_name here.
11002 (read_md_rtx): Call record_insn_name as appropriate.
11003 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11004 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11005 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11007 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11008 (BUILD_VARRAY): Delete.
11009 (genprognormal): Rename genprogmd. Fold in all programs from
11010 genprognoprint; also attrtab.
11011 (build/genattrtab): Just mention genautomata.o and varray.o.
11012 Reorganize a bit, add comments to make the categories clearer.
11014 2006-01-22 Zack Weinberg <zackw@panix.com>
11016 * genconditions.c (condition_table, add_condition): Delete.
11017 (write_conditions): Don't emit n_insn_conditions nor
11018 insn_elision_unavailable. Issue the gcc version #ifdef here,
11019 inside the table, with no #else clause ...
11020 (write_header): ...not here.
11021 (write_writer): New function.
11022 (main): Don't initialize condition_table. Use add_c_test.
11024 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11025 files on the command line.
11026 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11027 Return -1 if there is no entry in the table, don't abort.
11028 (add_c_test, traverse_c_tests): New functions.
11029 * gensupport.h (insn_elision_unavailable, insn_conditions)
11030 (n_insn_conditions): Delete declarations.
11031 (add_c_test, traverse_c_tests): Declare.
11032 * read-rtl.c: Include gensupport.h.
11033 (read_conditions): New function.
11034 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11035 (read_rtx_1): If we get EOF when we were looking for an initial
11036 open paren, return 0. Call read_conditions when appropriate.
11037 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11038 dummy-conditions.o. Eliminate references to insn-conditions.o,
11039 or change them to build/gencondmd.o, as appropriate. Remove
11040 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11041 from $(simple_generated_c). For all files remaining in those
11042 two lists, add insn-conditions.md to the generator command line.
11043 Give insn-constants.h/s-constants their own rules. Add rules
11044 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11045 (build/read-rtl.o): Depend on gensupport.h.
11046 (genprognormal): Include preds.
11047 (genprogearly): Rename genprognoprint; only difference is now that
11048 they don't link with $(BUILD_PRINT).
11049 * dummy-conditions.c: Delete.
11051 2006-01-22 Zack Weinberg <zackw@panix.com>
11053 * genextract.c: Don't include insn-config.h. Do include vec.h.
11054 Declare vectors of int, char, and locstr.
11055 (locstr): New typedef.
11056 (struct extraction): Make all array fields into bare pointers.
11057 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11058 (insn_code_number): Delete.
11059 (accum_extract): New struct.
11060 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11061 (gen_insn): Take insn_code_number as an argument. Use an
11062 accum_extract structure instead of loading data directly into
11063 a struct extraction, and having to know how big it might get.
11064 (walk_rtx): Operate entirely on an accum_extract structure.
11065 (print_path): Avoid unnecessary use of printf.
11066 (print_header): New function, split out of main. Distinguish
11067 more carefully between an unrecognizable insn and an insn that
11068 has the code number of a define_expand.
11069 (main): Pass insn_code_number to gen_insn. Call print_header
11070 only after parsing. Avoid unnecessary use of printf.
11071 * Makefile.in (build/vec.o): New rule.
11072 (build/genextract): Depend on build/vec.o.
11073 (build/genextract.o): Don't depend on insn-config.h.
11075 2006-01-22 Zack Weinberg <zackw@panix.com>
11077 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11078 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11079 practical. Eliminate per-generator-program link rules.
11081 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11083 PR middle-end/24437
11084 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11085 with a call expr to ...
11086 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11088 2006-01-23 Richard Guenther <rguenther@suse.de>
11090 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11091 before make_edge with conditional EDGE_TRUE_VALUE.
11093 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11094 Jan Hubicka <jh@suse.cz>
11095 Richard Guenther <rguenther@suse.de>
11097 PR rtl-optimization/25654
11098 * cfgexpand.c (aggregate_contains_union_type): New function.
11099 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11100 for structure variables that contain a union type.
11102 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11104 * gengtype.c (new_structure): Return the structure.
11105 (create_option): Add an extra "next" argument.
11106 (create_field): New function.
11107 (adjust_field_rtx_def): Use create_option and create_field.
11108 Remove a now-unnecessary call to find_structure.
11109 (adjust_field_tree_def): Likewise.
11110 (note_yacc_type): Remove an unnecessary call to find_structure.
11111 * gengtype.h (new_structure): Return the structure.
11112 (create_option): Add an extra argument.
11113 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11114 (option): Adjust calls to create_option.
11116 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11118 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11120 2006-01-22 Paul Brook <paul@codesourcery.com>
11121 Peter Barada <peter@the-baradas.com>
11123 * config/m68k/m68k.md: Add Coldfire FPU support.
11124 Define FP mode macro and associated attributes.
11125 Use it for float mode patterns.
11126 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11127 (LIBCALL_VALUE): Use m68k_libcall_value.
11128 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11129 (m68k_function_value): Ditto.
11130 (emit_move_sequence): Ditto.
11131 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11132 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11133 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11134 (MULTILIB_EXCEPTIONS): Ditto.
11135 * config/m68k/m68k.opt: Add mcfv4e.
11136 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11137 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11138 (m68k_output_function_prologue): Save ColdFire FPU registers.
11139 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11140 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11141 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11142 ColdFire FPU registers.
11143 (m68k_libcall_value, m68k_function_value): New functions.
11144 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11145 (LIBCALL_VALUE): Use m68k_libcall_value.
11146 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11147 (MASK_COLDFIRE): Add MASK_CFV4E.
11148 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11149 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11150 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11151 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11152 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11153 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11154 * doc/invoke.tex: Document -mcfv4e on m68k.
11156 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11158 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11161 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11164 * c-opts.c (c_common_handle_option): Don't include
11165 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11166 * doc/invoke.texi (C++ Dialect Options): Document that
11167 -Wnon-virtual-dtor is no longer included in -Wall.
11169 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11171 * gcov.c (print_version), gcov-dump.c (print_version),
11172 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11175 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11177 * df-scan.c (problem_SCAN): Added NULL reset function.
11178 (df_scan_reset_blocks): Added code to call reset block function
11179 (df_bb_refs_delete) Fixed comment.
11180 (df_insn_refs_delete): Made tolerant of deleting non existent info
11181 for dataflow problems that need to be reset.
11182 * df-core.c (df_set_blocks): Ditto.
11183 * df.h (struct df_problem): Added reset_fun.
11184 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11185 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11186 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11187 functions to clear out all references to def-use or use-def chains.
11189 2006-01-21 Ben Elliston <bje@au.ibm.com>
11191 * varasm.c (assemble_real): Initialise data array.
11193 2006-01-20 Paul Brook <paul@codesourcery.com>
11195 Merge from csl-arm-branch.
11196 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11197 * config/arm/arm.md (movdi): Force operands[1] to a register
11198 if we have a non-register source.
11199 (*arm_movdi, *movdf_soft_insn): Require that one of the
11200 operands be a register.
11201 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11202 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11204 2006-01-20 DJ Delorie <dj@redhat.com>
11206 * varasm.c (initializer_constant_valid_p): Allow pointers
11207 initialized from integer constants of lesser precision.
11208 (output_constant): Allow non-int-sized pointer modes to be
11209 initialized from integer constants.
11211 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11214 * cppdefault.h (struct default_include): Add multilib flag.
11215 * cppdefault.c (cpp_include_defaults): Set it.
11216 * c.opt (-imultilib): New option.
11217 * c-opts.c (imultilib): New.
11218 (c_common_handle_option): Handle -imultilib.
11219 (c_common_post_options): Likewise.
11220 * c-incpath.c (add_standard_paths, register_include_chains):
11222 * c-incpath.h (register_include_chains): Add extra parameter.
11223 * gcc.c (do_spec_1): Generate -imultilib option.
11224 (The Specs Language): Update %I description.
11225 (process_command): Update copyright notice.
11226 * doc/cppopts.texi (-imultilib): Document.
11227 * doc/invoke.texi (-imultilib): Include in option summary.
11228 (%I): Update specs documentation.
11230 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11232 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11234 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11236 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11239 2006-01-20 Richard Guenther <rguenther@suse.de>
11240 Steven Bosscher <stevenb.gcc@gmail.com>
11242 PR rtl-optimization/24626
11243 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11244 EDGE_TRUE_VALUE if in RTL mode.
11247 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11248 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11250 2006-01-20 Dirk Mueller <dmueller@suse.com>
11253 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11254 instead of a special NOP marker.
11255 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11256 NOP marker handling.
11257 * c-common.h (empty_body_warning): Add forward declaration.
11258 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11259 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11261 2006-01-20 Paul Brook <paul@codesourcery.com>
11263 * Makefile.in (lang_checks): Keep going if mkdir fails.
11265 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11267 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11268 be able to clean out basic block when not necessary.
11269 (df_scan_free): Fixed to properly delete information if df is
11270 unused before calling df_finish.
11271 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11272 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11274 (df_bb_refs_delete): New function.
11275 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11276 * df-core.c (df_set_blocks): Added code to properly clean out
11277 unused blocks if they are not part of the blocks to consider.
11278 Added additional null check.
11279 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11280 be able to clean out basic block when not necessary
11281 * df.h (df_free_bb_function): Ditto.
11282 (df_bb_refs_delete): New function.
11283 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11284 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11285 basic block parameter to be able to clean out basic block when not
11287 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11288 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11289 Fixed to properly delete information if df is unused before
11292 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11294 PR rtl-optimization/25799
11295 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11296 Corrected confluence operator to remove bits from op2 before oring
11297 with op1 rather than removing bits from op1.
11298 (df_ru_transfer_function): Corrected test on wrong bitmap which
11299 caused infinite loop. Both of these problems were introduced in
11300 the dataflow rewrite.
11302 2006-01-19 DJ Delorie <dj@redhat.com>
11304 * reload1.c (find_reload_regs): Note the details of reload
11305 failures in the dump file.
11306 (spill_failure): Likewise.
11308 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11310 * loop-iv.c: Include df.h and hashtab.h.
11311 (enum iv_grd_result): New enum.
11312 (DF_REF_IV, DF_REF_IV_SET): New macros.
11313 (struct biv_entry): New.
11314 (df, bivs): New global variables.
11315 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11316 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11318 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11319 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11320 analyzed_for_bivness_p, record_biv): New functions.
11321 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11322 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11323 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11325 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11327 (iv_number_of_iterations): Use new interface to iv analysis.
11328 * loop-unroll.c: Do not include varray.h.
11329 (analyze_iv_to_split_insn): Use new interface to iv
11331 * loop-unswitch.c (may_unswitch_on): Ditto.
11332 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11334 (df_bb_modify): Realloc tables to the new index.
11335 (df_find_use): New function.
11336 * df.h (df_find_use): Declare.
11337 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11339 * cfgloop.h (struct rtx_iv): Remove analysed field.
11340 (iv_get_reaching_def): Removed.
11341 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11342 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11343 (loop-iv.o): Add df.h and hashtab.h dependency.
11344 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11346 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11349 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11351 (__floatundisf, __floatundidf): Likewise.
11352 * libgcc2.h (IS_IBM_EXTENDED): Define.
11354 2006-01-19 DJ Delorie <dj@redhat.com>
11356 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11358 2006-01-19 Paul Brook <paul@codesourcery.com>
11360 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11361 as nothrow when unwinding tables are disabled.
11363 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11366 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11367 of bit-field" when in system header.
11369 2006-01-19 DJ Delorie <dj@redhat.com>
11371 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11372 the 16 bit shift limit of the m16c.
11374 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11377 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11378 * config/i386/i386.c (output_set_got): Output the label if we have one
11379 for the TARGET_DEEP_BRANCH_PREDICTION case.
11381 2006-01-19 Jan Hubicka <jh@suse.cz>
11382 H.J. Lu <hongjiu.lu@intel.com>
11383 Evandro Menezes <evandro.menezes@amd.com>
11385 * invoke.texi (generic): Document
11387 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11388 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11389 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11390 (x86_use_incdec, x86_pad_returns): New variables
11391 (TARGET_CPU_DEFAULT_generic): New constant
11392 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11393 (enum processor_type): Add generic32 and generic64.
11394 * i386.md (cpu attribute): Add generic32/generic64
11395 (movhi splitter): Behave sanely when both partial_reg_dependency and
11396 partial_reg_stall are set.
11397 (K8 splitters): Enable for generic as well.
11398 * predicates.md (incdec_operand): Use TARGET_INCDEC
11399 (aligned_operand): Avoid memory mismatch stalls.
11400 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11401 * ppro.md: Enable for generic32
11402 * i386.c (generic64_cost, generic32_cost): New.
11403 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11404 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11405 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11406 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11407 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11408 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11409 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11410 x86_accumulate_outgoing_args, x86_prologue_using_move,
11411 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11412 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11413 Enable for generic.
11414 (x86_use_incdec, x86_pad_returns): New.
11415 (override_options): Add generic32 and generic64, translate "generic"
11416 to generic32/generic64 and "i686" to "generic32", refuse
11417 "generic32"/"generic64" as arch target.
11418 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11419 (ix86_reorg): Honor PAD_RETURNS.
11421 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11423 * tree-pretty-print.c (dump_generic_node): Handle
11424 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11425 * cgraph.c (cgraph_expand_queue): Rename from
11426 cgraph_analyze_queue. Update all users.
11427 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11428 cgraph_expand_queue.
11429 (cgraph_expand_all_functions): Likewise.
11430 (cgraph_finalize_pending_functions): Remove. Update callers.
11432 * tree.h (OMP_DIRECTIVE_P): Define.
11433 (OMP_PARALLEL_FN): Define.
11434 (OMP_PARALLEL_DATA_ARG): Define.
11435 (OMP_SECTIONS_SECTIONS): Define.
11436 * tree-pass.h (pass_expand_omp): Declare.
11437 * omp-low.c (struct omp_region): Declare.
11438 (struct omp_context): Remove fields 'parallel_type',
11439 'parallel_start_ix' and 'parallel_start_additional_args'.
11441 (struct omp_for_data): Rename from struct expand_omp_for_data.
11442 (omp_regions): New static variable.
11443 (root_omp_region): New static variable.
11444 (find_omp_clause): Make static.
11445 (is_in_combined_parallel_ctx): Remove.
11446 (is_combined_parallel): New.
11447 (extract_omp_for_data): Move earlier in the file.
11448 (workshare_safe_to_combine_p): New.
11449 (get_ws_args_for): New.
11450 (determine_parallel_type): Move earlier in the file.
11451 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11453 (omp_copy_decl): Likewise.
11454 (create_omp_child_function): Likewise.
11455 (lookup_omp_region): New.
11456 (dump_omp_region): New.
11457 (debug_omp_region): New.
11458 (debug_all_omp_regions): New.
11459 (new_omp_region): New.
11460 (scan_omp_parallel): If parallel_nesting_level > 1, the
11461 directive is nested within another parallel directive.
11462 Set OMP_PARALLEL_FN.
11463 (scan_omp_for): Do not try to handle combined parallel+for
11465 Remove FIXME comment.
11466 (scan_omp_nested): Remove.
11467 (scan_omp_1): Do not call scan_omp_nested when
11468 parallel_nesting_level is > 1.
11469 Do not change the DECL_CONTEXT of local variables found.
11470 (lookup_decl_in_outer_ctx): New.
11471 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11472 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11473 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11474 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11475 If CTX is nested, lookup VAR in the outer context when
11476 building copy assignment.
11477 (lower_send_clauses): Rename from expand_send_clauses.
11478 If CTX is nested, lookup VAR in the outer context when
11479 building copy assignments.
11480 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11481 If CTX is nested, lookup VAR in the outer context when
11482 building copy assignments.
11483 (expand_parallel_call): Rename from build_parallel_call.
11484 Handle combined parallel+workshare cases.
11485 Re-implement to emit code into the CFG.
11487 (expand_omp_parallel): Re-implement to emit code into the CFG.
11488 Call move_sese_region_to_fn to outline the sub-graph
11489 containing the parallel region.
11490 (expand_omp_for_1): Remove.
11491 (expand_omp_for_generic): Re-implement to emit code into the
11493 (expand_omp_for_static_nochunk): Likewise.
11494 (expand_omp_for_static_chunk): Likewise.
11495 (expand_omp_for): Likewise.
11496 (expand_omp_sections): Likewise.
11497 (remove_exit_barriers): New.
11498 (expand_omp_synch): New.
11500 (build_omp_regions_1): New.
11501 (build_omp_regions): New.
11502 (execute_expand_omp): New.
11503 (gate_expand_omp): New.
11504 (pass_expand_omp): Define.
11505 (lower_omp_sections): Rename from expand_omp_sections.
11506 Set OMP_SECTIONS_SECTIONS.
11507 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11508 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11509 (lower_omp_single): Rename from expand_omp_simple.
11510 (lower_omp_master): Rename from expand_omp_master.
11511 (lower_omp_ordered): Rename from expand_omp_ordered.
11512 (lower_omp_critical): Rename from expand_omp_critical.
11513 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11514 (lower_omp_for): Re-implement.
11515 (lower_omp_parallel): Re-implement.
11516 (lower_regimplify): Rename from expand_regimplify.
11517 (lower_omp_1): Rename from expand_omp_1.
11518 If there are syntax errors in the program, replace every
11519 OpenMP directive with NOP.
11520 Call lower_omp_* instead of expand_omp_*.
11521 (lower_omp): Rename from expand_omp.
11523 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11524 * tree-gimple.h (enum omp_parallel_type): Remove.
11525 (gimple_boolify): Declare extern.
11526 (find_omp_clause, determine_parallel_type): Remove.
11528 * gimple-low.c (lower_omp_directive): New.
11529 (lower_stmt): Call it.
11530 (record_vars_into): Move from ...
11531 (record_vars): ... here.
11532 Call record_vars_into with current_function_decl.
11534 * gimplify.c (struct gimplify_ctx): Remove fields
11535 combined_pre_p and combined_ctxp. Update users.
11536 (get_formal_tmp_var): Add documentation.
11537 (gimple_boolify): Make extern.
11538 (gimplify_expr_in_ctx): Remove. Update callers.
11539 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11540 will always be a BIND_EXPR.
11541 (gimplify_expr): Handle OMP_RETURN_EXPR.
11542 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11543 (OMP_PARALLEL): Add 3 operands.
11544 (OMP_SECTIONS): Add 1 operand.
11545 (OMP_RETURN_EXPR): Define.
11547 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11548 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11549 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11550 creating a circular free list.
11551 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11553 * tree-flow.h (move_sese_region_to_fn): Declare.
11554 (record_vars_into): Declare.
11555 * tree-cfg.c (make_omp_sections_edges): New.
11556 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11557 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11558 OMP_SECTIONS and OMP_SECTION.
11559 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11560 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11561 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11562 (gather_blocks_in_sese_region): New.
11563 (struct move_stmt_d): Declare.
11564 (move_stmt_r): New.
11565 (move_block_to_fn): New.
11566 (move_sese_region_to_fn): New.
11568 * passes.c (init_optimization_passes): Schedule
11569 pass_expand_omp after pass_init_datastructures.
11571 * tree-ssa-operands.c (get_expr_operands): Handle
11572 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11573 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11575 2006-01-19 Jeff Law <law@redhat.com>
11577 * tree-vrp.c (extract_range_from_assert): Refine the result range
11578 if the variable referenced by the ASSERT_EXPR has a range and
11579 either the tentative result range or the previous range is a
11582 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11584 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11586 2006-01-19 Jan Hubicka <jh@suse.cz>
11588 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11590 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11592 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11593 (expand_compound_operation, expand_field_assignment): Fail if the
11594 bit lengths of an extract operation are out of range.
11595 (make_extraction): Compute wanted_inner_mode based on the position
11596 and length of the extraction. Make it extraction_mode for non-constant
11597 positions, and do not modify offset in that case. When generating a
11598 new MEM, use a mode that can hold the extraction while keeping correct
11599 alignment. Remove code that supported MEMs wrapped by USEs.
11600 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11602 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11604 * config/s390/s390.md ("Y", "y"): New mode attribute.
11605 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11606 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11607 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11608 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11609 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11610 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11611 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11612 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11613 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11614 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11615 "addsi3", "subsi3"): Insn patterns removed.
11616 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11617 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11618 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11619 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11620 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11621 "*sub<mode>3_cconly2"): New insn patterns.
11622 ("addsi3", "subsi3"): New expanders.
11624 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11626 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11627 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11628 existing STMT_VINFO_VECTYPE if available.
11629 (vect_mark_relevant): Add special handling for stmts that are
11630 marked as STMT_VINFO_IN_PATTERN_P.
11631 (vect_analyze_loop): Call vect_pattern_recog.
11632 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11633 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11635 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11636 (vect_recog_func_ptr): New function-pointer type.
11637 * tree-vect-patterns.c: New file.
11638 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11639 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11640 (vect_pattern_recog_1): New functions.
11641 (vect_pattern_recog_funcs): New array of function pointers.
11643 * tree-vectorizer.h (ternary_op): New enum value.
11644 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11645 declaration. Revised documentation. Removed redundant dump prints.
11646 Removed redundant argument. Added support for reduction patterns.
11647 (vectorizable_reduction): Added support for reduction patterns.
11648 (vect_transform_stmt): Added support for patterns.
11650 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11651 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11652 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11653 (expand_widen_pattern_expr): New function.
11654 (init_optabs): Initialize new optabs udot_prod_optab,
11656 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11657 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11658 (expand_widen_pattern_expr): New function declaration.
11659 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11661 * tree-inline.c (estimate_num_insns_1): Added cases for new
11662 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11663 * tree-pretty-print.c (dump_generic_node): Likewise.
11664 (op_prio): Likewise.
11665 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11666 * tree-ssa-operands.c (get_expr_operands): Added case for
11668 * tree-vect-patterns.c (widened_name_p): New function.
11669 (vect_recog_dot_prod_pattern): Added function implementation.
11670 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11671 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11672 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11673 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11675 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11676 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11677 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11678 (init_optabs): Initialize new optabs widen_ssum_optab,
11680 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11681 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11682 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11683 use instead of type of def.
11684 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11685 function implementation.
11686 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11687 widen_ssumv8hi): New.
11689 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11692 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11695 * c-decl.c (add_flexible_array_elts_to_size): New function.
11696 (finish_decl): Use it.
11698 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11700 * diagnostic.h: Include options.h.
11701 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11702 dependancies for diagnostic.h.
11703 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11705 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11707 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11708 (ssa_ro_call_cache_valid): Ditto.
11709 * tree-ssa-alias.c (sort_tags_by_id): New function.
11710 (init_transitive_clobber_worklist): Ditto.
11711 (add_to_worklist): Ditto.
11712 (mark_aliases_call_clobbered): Ditto.
11713 (compute_tag_properties): Ditto.
11714 (set_initial_properties): Ditto.
11715 (compute_call_clobbered): Ditto.
11716 (compute_may_aliases): Call compute_call_clobbered and grouping.
11717 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11718 (compute_flow_insensitive_aliasing): Grouping now happens in our
11720 (setup_pointers_and_addressables): Remove clobbering related code.
11721 (add_may_alias): Ditto.
11722 (replace_may_alias): Ditto.
11723 (get_nmt_for): Ditto.
11724 (create_global_var):
11725 (is_escape_site): Return an escape_type enumeration.
11726 * tree-flow-inline.h (is_call_clobbered): Global var does not
11727 imply call clobbered.
11728 (mark_call_clobbered): Take a reason for marking this. Remove
11729 marking of globalness, and cache invalidation.
11730 (clear_call_clobbered): Remove cache invalidation code.
11731 * tree-dfa.c (dump_variable): If details is on, dump the reason
11733 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11735 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11736 (struct var_ann_d): Ditto.
11737 (enum escape_type): New.
11738 (mark_call_clobbered): Adjust prototype.
11739 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11740 are never call clobbered.
11741 Record reasons for escaping.
11742 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11743 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11744 (ssa_ro_call_cache_valid): Ditto.
11745 (clobbered_v_may_defs): Ditto.
11746 (clobbered_vuses): Ditto.
11747 (ro_call_vuses): Ditto.
11748 (clobber_stats): New.
11749 (init_ssa_operands): Zero out clobber stats.
11750 (fini_ssa_operands): Print out clobber stats.
11751 (get_call_expr_operands): Pass callee fndecl to
11752 add_call_read_ops).
11753 (add_call_clobber_ops): Remove use of cache.
11754 Add use of PURE_CONST information.
11755 (add_call_read_ops): Remove use of cache.
11756 Add use of static not_read information.
11758 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11760 Introduce TLS descriptors for i386 and x86_64.
11761 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11762 (TARGET_ANY_GNU_TLS): New macro.
11763 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11764 (struct machine_function): Add tls_descriptor_call_expanded_p.
11765 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11766 (ix86_current_function_calls_tls_descriptor): Likewise.
11767 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11768 (override_options): Introduce gnu2 tls dialect.
11769 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11771 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11773 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11774 (ix86_init_machine_status): Initialize new field.
11775 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11776 (ix86_tls_module_base): New.
11777 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11778 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11779 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11780 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11781 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11782 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11783 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11784 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11785 * config/i386/predicates.md (tls_modbase_operand): New.
11786 (tp_or_register_operand): New.
11788 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11790 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11791 (look_for_address_of): Ditto.
11792 (ipa_init): Walk the function decls.
11793 (static_execute): Don't set readonly on FUNCTION_DECL's.
11795 2006-01-18 Roger Sayle <roger@eyesopen.com>
11797 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11798 for shifts where the source and destination registers are different.
11800 2006-01-18 Paul Brook <paul@codesourcery.com>
11802 Merge from csl-arm-branch.
11803 2005-03-14 Julian Brown <julian@codesourcery.com>
11804 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11805 (aeabi_llsl): Likewise.
11806 (ashrdi3): Likewise.
11807 (aeabi_lasr): Likewise.
11808 (lshrdi3): Likewise.
11809 (aeabi_llsr): Likewise.
11810 2005-03-10 Julian Brown <julian@codesourcery.com>
11811 * config.gcc: Disable shared libgcc for SymbianOS.
11812 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11814 2006-01-18 DJ Delorie <dj@redhat.com>
11816 * c-pragma.c (handle_pragma_diagnostic): New.
11817 (init_pragma): Register it.
11818 * doc/extend.texi: Document it.
11820 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11821 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11822 (diagnostic_context): Add classify_diagnostic[].
11823 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11824 as errors if they're overridden to DK_WARNING.
11825 (diagnostic_initialize): Initialize classify_diagnostic[].
11826 (diagnostic_set_kind_override): New.
11827 (diagnostic_report_diagnostic): Check for kind changes.
11828 * opts.c (common_handle_option): Take lang_mask. Update callers.
11829 Handle OPT_Werror_.
11830 * common.opt (Werror=): New.
11831 * doc/invoke.texi: Document -Werror=*
11833 2006-01-18 Jeff Law <law@redhat.com>
11835 * tree-vrp.c (test_for_singularity): Correct test for new
11836 min limit. Use operand_equal_p rather than pointer equality
11837 for testing if new min/max values are equal.
11839 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11840 using range information until after propagation and folding.
11842 2006-01-18 Richard Henderson <rth@redhat.com>
11843 Aldy Hernandez <aldyh@redhat.com>
11844 Jakub Jelinek <jakub@redhat.com>
11845 Diego Novillo <dnovillo@redhat.com>
11847 * omp-low.c: New file.
11848 * c-omp.c: New file.
11850 2006-01-18 Richard Henderson <rth@redhat.com>
11851 Jakub Jelinek <jakub@redhat.com>
11852 Diego Novillo <dnovillo@redhat.com>
11854 * doc/invoke.texi: Document -fopenmp.
11855 * tree-dump.h (debug_function): Declare.
11856 * hooks.c (hook_bool_tree_bool_false): New function.
11857 (hook_tree_tree_null): Remove.
11858 (hook_tree_tree_tree_null): New.
11859 * hooks.h: Update to match.
11860 * tree-pretty-print.c (debug_tree_chain): New.
11861 (print_generic_expr): Handle TDF_CHAIN.
11862 (dump_generic_node): Handle BLOCK.
11863 Do not abort with incomplete SWITCH_EXPRs.
11864 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11865 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11866 print space after directive name.
11867 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11868 Handle OMP_MASTER and OMP_ORDERED.
11869 Handle printing of OMP_BODY just in one place, goto
11870 dump_omp_body in the rest of OMP_* nodes that have
11872 Don't handle clause nodes here. Update omp statements to
11873 use dump_omp_clauses.
11874 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11875 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11876 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11877 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11878 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11879 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11880 Adjust output for GOMP_PARALLEL.
11881 (dump_omp_clauses): New.
11882 (print_declaration): Dump DECL_VALUE_EXPR.
11883 (op_symbol_1): Split out of op_symbol.
11884 (dumping_stmts): Remove. Update all users.
11885 * cgraph.c (cgraph_analyze_queue): New.
11886 (cgraph_add_new_function): New.
11887 * cgraph.h (cgraph_analyze_queue): Declare.
11888 (cgraph_add_new_function): Declare.
11889 (cgraph_lower_function): Remove.
11890 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11891 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11892 and TYPE_P nodes in its default clause.
11893 (empty_body_p): New.
11894 (tree_range_check_failed): New.
11895 (build5_stat): New.
11896 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11897 OMP_CLAUSE_REDUCTION_MERGE,
11898 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11899 OMP_CLAUSE_PRIVATE_DEBUG,
11900 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11901 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11902 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11903 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11904 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11905 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11906 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11907 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11908 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11909 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11910 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11911 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11912 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11913 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11914 (TREE_RANGE_CHECK): New.
11915 (empty_body_p): Declare.
11916 (enum omp_clause_default_kind): New.
11917 (build_string_literal): Declare.
11918 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11919 (build5_stat, build5): Declare.
11920 * tree-pass.h (TDF_CHAIN): Define.
11921 * tree-pass.h (PROP_gimple_lomp): Define.
11922 (pass_lower_omp): Declare.
11923 * diagnostic.h (debug_tree_chain): Declare.
11924 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11926 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11927 * builtins.c (build_string_literal): Make extern.
11928 * gcc.c (include_spec_function): New.
11929 (static_spec_functions): Add it.
11930 (main): Move load of libgomp.spec ...
11931 (LINK_COMMAND_SPEC): ... here.
11932 (link_gomp_spec): New.
11933 (static_specs): Include it.
11934 (LINK_COMMAND_SPEC): Add link_gomp.
11935 (GOMP_SELF_SPECS): New.
11936 (driver_self_specs): Include it.
11937 (switch_matches): Don't mark inline.
11938 (main): Load libgomp.spec.
11939 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11940 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11941 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11942 * tree-gimple.h (enum omp_parallel): Declare.
11943 (determine_parallel_type): Declare.
11944 (omp_firstprivatize_variable): Declare.
11945 (omp_reduction_init): Declare.
11946 (diagnose_omp_structured_block_errors): Declare.
11947 (struct walk_stmt_info): Add want_return_expr.
11948 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11949 (find_omp_clause): Declare.
11950 (insert_field_into_struct): Declare.
11951 (struct walk_stmt_info): Move from tree-nested.c
11952 (walk_stmts): Declare.
11953 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11955 * cgraphunit.c (cgraph_lower_function): Make static.
11956 (cgraph_finalize_pending_functions): New.
11957 (cgraph_finalize_function): Call it.
11958 (cgraph_finalize_compilation_unit): Likewise.
11959 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11960 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11961 (BT_FN_UINT_UINT): New.
11962 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11963 DEF_FUNCTION_TYPE_VAR_4): Document.
11964 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11965 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11966 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11967 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11968 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11969 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11970 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11971 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11972 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11973 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11974 into separate files.
11975 (DEF_GOMP_BUILTIN): New.
11976 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11977 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11978 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11979 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11980 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11981 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11982 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11983 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11984 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11985 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11986 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11987 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11988 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11989 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11990 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11991 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11992 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11993 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11994 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11995 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11996 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11997 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11998 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11999 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12000 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12001 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12002 * sync-builtins.def: New file, moved from builtins.def.
12003 * omp-builtins.def: New file, moved from builtins.def.
12004 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12005 * gimple-low.c (lower_function_body): Clear data.
12006 (lower_stmt): Do not handle COMPOUND_EXPR.
12007 Remove call to print_node_brief.
12008 * c-tree.h (c_finish_omp_clauses): New prototype.
12009 (C_DECL_THREADPRIVATE_P): Define.
12010 (lookup_name_no_remap, c_omp_remap_private): Remove
12011 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12012 (check_for_loop_decls): Update decl.
12013 (lookup_name_no_remap, c_omp_remap_private): Declare.
12014 (build_indirect_ref, build_modify_expr, pushdecl,
12015 pushdecl_top_level): Move to c-common.h.
12016 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12017 before the switch, but just in the 2 places that need it.
12018 * c-decl.c (diagnose_mismatched_decls): Do not check for
12019 mismatched thread-local attributes when OLDDECL is marked
12020 threadprivate and NEWDECL has no thread-local attributes.
12021 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12022 (c_gimple_diagnostics_recursively): Rename from
12023 c_warn_unused_result_recursively. Invoke
12024 diagnose_omp_structured_block_errors.
12025 (check_for_loop_decls): Return a singular decl found.
12026 * langhooks.c (lhd_omp_predetermined_sharing): Return
12027 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12028 (lhd_omp_firstprivatize_type_sizes): New.
12029 (lhd_omp_assignment): New.
12030 (lhd_omp_predetermined_sharing): New.
12031 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12032 (struct lang_hooks_for_types): Add
12033 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12034 omp_predetermined_sharing, omp_disregard_value_expr,
12035 omp_private_debug_clause, omp_clause_default_ctor,
12036 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12037 (c_finish_omp_clauses): New.
12038 (c_finish_bc_stmt): Diagnose break within omp for.
12039 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12040 (build_unary_op): Return error_mark after reporting
12042 (build_modify_expr): Likewise.
12043 * gimplify.c: Include optabs.h and pointer-set.h.
12044 (enum gimplify_omp_var_data): Declare.
12045 (struct gimplify_omp_ctx): Declare.
12046 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12048 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12049 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12050 (splay_tree_compare_decl_uid): New.
12051 (new_omp_context): New.
12052 (delete_omp_context): New.
12053 (gimple_add_tmp_var): Call omp_add_variable.
12054 (gimplify_bind_expr): Likewise.
12055 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12056 true, disregard DECL_VALUE_EXPR on the decl if any.
12057 (gimplify_expr_in_ctx): New.
12058 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12059 omp_add_variable, omp_notice_variable, omp_is_private
12060 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12061 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12062 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12063 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12064 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12065 gimplify_omp_atomic): New.
12066 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12067 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12068 OMP_CRITICAL and OMP_ATOMIC.
12069 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12070 * c-pragma.h (enum pragma_kind): Add
12071 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12072 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12073 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12074 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12075 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12076 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12077 PRAGMA_OMP_THREADPRIVATE.
12078 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12079 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12080 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12081 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12082 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12083 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12084 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12085 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12086 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12087 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12088 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12089 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12090 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12092 (struct nesting_info): Add field_map,
12093 suppress_expansion, debug_var_chain.
12094 (create_nesting_tree): Initialize them.
12095 (lookup_field_for_decl): Use field_map.
12096 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12097 (convert_local_omp_clauses): New.
12098 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12099 (walk_body): Split out of walk_function.
12100 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12101 (convert_nonlocal_reference): Handle omp statements.
12102 (convert_local_reference): Likewise.
12103 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12104 (unnest_nesting_tree): New.
12105 (lower_nested_functions): Call it.
12106 (insert_field_into_struct): Make extern.
12107 (struct walk_stmt_info): Move to tree-gimple.h.
12108 (walk_stmts): Make extern.
12109 * omp-builtins.def: New file.
12110 * tree-iterator.c (expr_only): Clarify comment.
12111 * c-common.h (pushdecl_top_level, pushdecl,
12112 build_modify_expr, build_indirect_ref,
12113 c_finish_omp_master, c_finish_omp_critical,
12114 c_finish_omp_ordered, c_finish_omp_barrier,
12115 c_finish_omp_atomic, c_finish_omp_flush,
12116 c_finish_omp_for, c_split_parallel_clauses,
12117 omp_clause_default_kind, c_omp_sharing_predetermined,
12118 c_omp_remap_decl): Declare.
12119 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12120 (OBJS-common): Add omp-low.o.
12121 (c-omp.o, omp-low.o): Add.
12122 (gimplify.o): Add dependency on $(OPTABS_H).
12123 (GTFILES): Add omp-low.c.
12124 (gt-stringpool.h): Add.
12125 * tree-cfg.c (set_bb_for_stmt): Do not update the
12126 block-to-labels map if we are currently expanding to RTL.
12127 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12129 Handle IDENTIFIER_NODE.
12130 (tree_verify_flow_info): Do not ICE when emitting error
12131 messages about invalid labels.
12132 (dump_function_to_file): Reset CFUN before emitting the body
12134 (debug_function): New.
12135 * passes.c (init_optimization_passes): Schedule
12137 * langhooks-def.h (lhd_omp_predetermined_sharing,
12138 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12140 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12141 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12142 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12143 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12144 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12145 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12146 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12147 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12148 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12149 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12150 (LANG_HOOK_DECLS): Use them.
12152 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12153 Richard Henderson <rth@redhat.com>
12154 Jakub Jelinek <jakub@redhat.com>
12155 Diego Novillo <dnovillo@redhat.com>
12157 * c-parser.c (pragma_omp_clause): Define.
12158 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12159 (c_parser_compound_statement): Likewise.
12160 (c_parser_statement): Likewise.
12161 (c_parser_pragma): Handle omp pragmas.
12162 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12163 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12164 (c_parser_omp_clause_name, check_no_duplicate_clause,
12165 c_parser_omp_variable_list,
12166 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12167 c_parser_omp_clause_copyprivate,
12168 c_parser_omp_clause_default,
12169 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12170 c_parser_omp_clause_lastprivate,
12171 c_parser_omp_clause_nowait,
12172 c_parser_omp_clause_num_threads,
12173 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12174 c_parser_omp_clause_reduction,
12175 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12176 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12177 c_parser_omp_atomic, c_parser_omp_barrier,
12178 c_parser_omp_critical, c_parser_omp_flush,
12179 c_parser_omp_for_loop, c_parser_omp_for,
12180 c_parser_omp_master, c_parser_omp_ordered,
12181 c_parser_omp_sections_scope, c_parser_omp_sections,
12182 c_parser_omp_parallel, c_parser_omp_single,
12183 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12184 * c-pragma.c (init_pragma): Do omp pragma registration here.
12185 * c.opt (fopenmp): New flag.
12187 2006-01-18 Eric Christopher <echristo@apple.com>
12189 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12190 * config/darwin.h (GOMP_SELF_SPECS): Define.
12192 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12194 * rtl.h: Remove the prototype for reg_alloc.
12196 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12199 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12200 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12201 sjlj and dwarf2 exception handling.
12202 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12203 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12204 * pa/pa.c (function_value): Treat complex and vector types as
12206 (function_arg): Likewise. Only pass scalar floats in the floating
12207 point argument registers.
12208 * pa/t-slibgcc-dwarf-ver: New file.
12209 * pa/t-slibgcc-sjlj-ver: New file.
12210 * pa/t-slibgcc-elf-ver: Delete file.
12212 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12214 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12215 unlikely_test_section_p test.
12217 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12219 * mode-switching.c (optimize_mode_switching): Make it static.
12220 * basic-block.h: Remove the prototype for
12221 optimize_mode_switching.
12223 * modulo-sched.c (sms_schedule): Make it static.
12224 * rtl.h: Remove the prototype for sms_schedule.
12226 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12227 * rtl.h: Remove the prototype for gcse_after_reload_main.
12229 * reg-stack.c (reg_to_stack): Make it static.
12230 * rtl.h: Remove the prototype for reg_to_stack.
12232 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12234 * rtl.h: Remove the prototypes for regrename_optimize and
12235 copyprop_hardreg_forward.
12237 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12239 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12240 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12241 Test against the appropriate null constant for the mode.
12242 If 'fixup_overlap' is true, swap the operands if they overlap.
12243 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12244 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12245 alpha_split_tmode_pair and adjust for above change.
12246 * config/alpha/alpha.md (movtf_internal): Adjust call to
12247 alpha_split_tfmode_pair and rely on it to swap the operands.
12248 (movti_internal): New insn and post-reload splitter.
12249 (movti): New expander.
12251 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12253 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12256 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12258 * rtlanal.c (global_reg_mentioned_p_1,
12259 global_reg_mentioned_p): Remove.
12260 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12262 * flow.c (initialize_uninitialized_subregs): Make it static.
12263 * rtl.h: Remove the prototype for
12264 initialize_uninitialized_subregs.
12266 * function.c (instantiate_virtual_regs): Make it static.
12267 * function.h: Remove the prototype for
12268 instantiate_virtual_regs.
12270 * regmove.c (regmove_optimize, combine_stack_adjustments):
12272 * rtl.h: Remove the prototypes for regmove_optimize and
12273 combine_stack_adjustments.
12275 2006-01-17 Roger Sayle <roger@eyesopen.com>
12277 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12278 (size_cost): Encode costs in bytes so that a reg-reg addition is
12279 equivalent to COSTS_N_INSNS(1).
12280 (override_options): Use the size_cost.branch_cost as the default
12281 ix86_branch_cost when optimizing for size.
12283 2006-01-18 Ben Elliston <bje@au.ibm.com>
12285 * Makefile.in (D32PBIT_FUNCS): New.
12286 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12287 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12288 D64PBIT_FUNCS and D128PBIT_FUNCS.
12289 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12290 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12292 (decnumber_dep): Define.
12293 * doc/libgcc.texi (Decimal float library routines): New node.
12294 * config/dfp-bit.h, config/dfp-bit.c: New files.
12296 2006-01-18 Ben Elliston <bje@au.ibm.com>
12298 * expr.c (emit_move_change_mode): Always adjust addresses, not
12299 just during reload. Copy replacements only during reload.
12300 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12301 emit_move_via_integer.
12303 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12305 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12306 instead of $(srcdir) and ${srcdir}.
12308 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12311 PR middle-end/11135
12312 * arm.h (struct machine_function): Add pic_reg.
12313 * arm.c (arm_pic_register): Make unsigned.
12314 (arm_override_options): Only set arm_pic_register if
12315 TARGET_SINGLE_PIC_BASE.
12316 (use_return_insn): Only test for a pic register if it is fixed.
12317 (arm_compute_save_reg0_reg12_mask): Likewise.
12318 (thumb_compute_save_reg_mask): Likewise.
12319 (legitimate_pic_operand): Factor out some known invariants.
12320 (legitimize_pic_address): If we don't have a fixed pic register,
12321 then set up a pseudo in the function entry sequence. Handle the
12322 pic base being in a pseudo.
12323 (arm_load_pic_register): Handle the pic register being in a pseudo.
12324 (arm_expand_prologue): Only set up the pic register if it is fixed.
12325 (thumb_expand_prologue): Likewise.
12326 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12327 (pic_load_addr_based_insn): Likewise.
12328 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12331 2006-01-18 Ben Elliston <bje@au.ibm.com>
12333 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12334 decimal float modes for all floating point registers.
12336 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12337 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12339 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12342 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12343 even when the pointer is not NULL.
12345 2006-01-16 Ian Lance Taylor <ian@airs.com>
12347 * common.opt (ftoplevel-reorder): New option.
12348 * cgraph.c (cgraph_asm_nodes): New global variable.
12349 (cgraph_asm_last_node): New static variable.
12350 (cgraph_order): New global variable.
12351 (cgraph_create_node): Set new order field.
12352 (cgraph_varpool_node): Likewise.
12353 (decide_is_variable_needed): Return true if not
12354 flag_toplevel_reorder.
12355 (cgraph_add_asm_node): New function.
12356 * cgraph.h (struct cgraph_node): Add order field.
12357 (struct cgraph_varpool_node): Add order field.
12358 (struct cgraph_asm_node): Define.
12359 (cgraph_asm_nodes, cgraph_order): Declare.
12360 (cgraph_add_asm_node): Declare.
12361 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12363 (cgraph_varpool_assemble_pending_decls): Call it.
12364 (cgraph_output_pending_asms): New static function.
12365 (cgraph_finalize_compilation_unit): Call it.
12366 (struct cgraph_order_sort): Define.
12367 (cgraph_output_in_order): New static function.
12368 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12369 !flag_toplevel_reorder case.
12370 * c-parser.c: Include "cgraph.h".
12371 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12373 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12374 than -fno-unit-at-a-time.
12375 * doc/invoke.texi (Option Summary): Mention
12376 -fno-toplevel-reorder.
12377 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12378 -funit-at-a-time documentation.
12380 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12381 Kazu Hirata <kazu@codesourcery.com>
12383 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12385 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12387 * Makefile.in (FUNCTION_H): New. Use it instead of
12388 function.h throughout the file.
12389 * function.h: Include tree.h.
12391 2006-01-17 Ben Elliston <bje@au.ibm.com>
12393 * recog.c: Separate some functions with whitespace.
12395 2006-01-16 Richard Henderson <rth@redhat.com>
12397 Merge from gomp branch:
12398 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12399 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12400 and rename from struct inline_data. Rename callee* to dst*;
12401 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12402 transform_new_cfg, transform_return_to_modify, and
12403 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12405 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12406 (copy_decl_for_dup): Remove.
12407 * tree-inline.c (struct inline_data): Move to header.
12408 (insert_decl_map): Export.
12409 (remap_decl): Update for member name changes. Use copy_decl hook.
12410 Allow for replacement to be a non-decl. Remove dead code.
12411 (remap_type_1): Check for existing mapping.
12412 (remap_type): Export.
12413 (remap_decls): Update for member name changes.
12414 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12415 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12416 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12417 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12418 (tree_function_versioning, build_duplicate_type): Likewise.
12419 (copy_body_r): Likewise. Export.
12420 (copy_decl_for_dup): Split into ...
12421 (copy_decl_for_dup_finish, copy_decl_to_var,
12422 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12423 (replace_ref_tree, inlining_p): Remove.
12425 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12427 * ifcvt.c (if_convert): Make it static.
12428 * rtl.h: Remove the prototype for if_convert.
12430 * local-alloc.c (local_alloc): Make it static.
12431 * rtl.h: Remove the prototype for local_alloc.
12433 * loop.c (loop_optimize): Make it static.
12434 * cfgloop.h: Remove the prototype for loop_optimize.
12437 2006-01-16 DJ Delorie <dj@redhat.com>
12439 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12442 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12444 * pa.md: Disparage copies between general and floating-point registers
12445 in 32-bit move patterns.
12447 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12450 * Makefile.in (check-%): Depend on site.exp instead of
12451 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12454 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12456 * global.c (global_alloc): Make it static.
12457 * rtl.h: Remove the prototype for global_alloc.
12459 2006-01-16 Richard Guenther <rguenther@suse.de>
12461 * tree-ssa-alias.c (struct used_part): Add write_only field.
12462 (get_or_create_used_part_for): Initialize it to true.
12463 (create_overlap_variables_for): Don't create structure variables
12464 for structures that only are written to.
12465 (find_used_portions): Handle MODIFY_EXPR to track whether a
12466 structure is only written to.
12468 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12470 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12472 * basic-block.h: Remove the prototype for
12473 partition_hot_cold_basic_blocks.
12475 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12477 * cppspec.c (lang_specific_spec_functions): Remove.
12478 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12479 * gcc.h (lang_specific_spec_functions): Remove.
12480 * gccspec.c (lang_specific_spec_functions): Remove.
12482 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12484 * combine.c (record_value_for_reg): Invalidate registers
12486 (record_dead_and_set_regs_1): Likewise, by passing them to
12487 record_value_for_reg.
12488 (record_dead_and_set_regs): Invalidate stores made by a
12489 call. We do not combine across a call, but we still
12490 relied on equivalences.
12492 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12494 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12495 vrp_int_const_binop returning non-constant nodes.
12497 2006-01-16 Paul Brook <paul@codesourcery.com>
12499 * config/m68k/m68k.c (output_move_const_into_data_reg):
12500 Output correct mnemonic for mvz and mvs.
12502 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12504 * rtl-factoring.c: Add sequence abstraction algorithm.
12505 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12506 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12508 (block_has_preserve_label): New function.
12509 * common.opt: Register new pass.
12510 * Makefile.in: Ditto.
12512 * timevar.def: Ditto.
12513 * tree-pass.h: Ditto.
12514 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12515 * rtl.h (make_jump_insn_raw): Add forward decl.
12516 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12518 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12519 Roger Sayle <roger@eyesopen.com>
12521 * fold-const.c (fold_minmax): New static function.
12522 (fold_binary) <MIN_EXPR>: Call it.
12523 <MAX_EXPR>: Likewise.
12524 * stor-layout.c (place_field): Use DECL_SIZE consistently
12525 in the computation of the new record size.
12527 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12529 * cse.c (cse_condition_code_reg): Make it static.
12530 * rtl.h: Remove the prototype for cse_condition_code_reg.
12532 * combine.c (combine_instructions): Make it static.
12533 * rtl.h: Remove the prototype for combine_instructions.
12535 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12538 * tree.c (get_file_function_name_long): Concatenate the first global
12539 object name with a string derived from the input filename of the object
12542 2006-01-16 Ben Elliston <bje@au.ibm.com>
12544 * config/i386/winnt-stubs.c: Update FSF address.
12545 * config/xtensa/ieee754-df.S: Ditto.
12546 * config/xtensa/ieee754-sf.S: Ditto.
12548 2006-01-14 Ian Lance Taylor <ian@airs.com>
12550 * ifcvt.c (noce_init_if_info): New static function, broken out of
12551 noce_process_if_block.
12552 (noce_process_if_block): Call noce_init_if_info.
12553 (check_cond_move_block): New static function.
12554 (cond_move_process_if_block): New static function.
12555 (process_if_block): Call cond_move_process_if_block.
12557 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12559 * cselib.c (hash_table): Rename to cselib_hash_table.
12560 (cselib_clear_table, discard_useless_values,
12561 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12562 cselib_init, cselib_finish): Adjust uses of hash_table.
12564 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12566 PR tree-optimization/25485
12567 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12568 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12569 is known to be false and true, respectively.
12571 2006-01-14 Richard Guenther <rguenther@suse.de>
12573 PR tree-optimization/22548
12574 PR tree-optimization/22555
12575 PR tree-optimization/22501
12576 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12577 * params.def (salias-max-array-elements): New parameter.
12578 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12579 * doc/invoke.texi (salias-max-array-elements): Document.
12580 * tree-flow-inline.h (var_can_have_subvars): We also handle
12582 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12584 * tree-ssa-structalias.c (params.h): Include.
12585 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12586 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12587 (get_constraint_for): For ADDR_EXPR operating on something
12588 containing an ARRAY_REF, add all subvars to the solution.
12589 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12590 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12591 for creating MUST_DEFs.
12592 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12594 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12596 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12598 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12599 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12600 number_of_iterations_le): New functions.
12601 (number_of_iterations_special): Removed.
12602 (number_of_iterations_exit): Do not use number_of_iterations_special.
12603 * tree.c (unsigned_type_for): Always return integer type.
12605 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12606 Richard Guenther <rguenther@suse.de>
12608 PR rtl-optimization/24257
12609 * gcse.c (find_moveable_store): Only consider a store movable
12610 when the SET_SRC of the insn can be assigned to a register.
12612 2006-01-14 Ian Lance Taylor <ian@airs.com>
12614 * tree.c (tree_not_class_check_failed): New function.
12615 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12616 (tree_not_class_check_failed): Declare.
12618 2006-01-13 Ian Lance Taylor <ian@airs.com>
12620 * reload1.c (do_output_reload): Add assertion rejecting a
12623 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12625 * combine.c (struct reg_stat): Add new fields truncation_label and
12627 (record_value_for_reg): Reset truncated_to_mode.
12628 (record_truncated_value): New function.
12629 (check_promoted_subreg): Call it. Rename to check_conversions.
12630 (combine_instructions): Rename check_promoted_subreg to
12632 (reg_truncated_to_mode): New function.
12633 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12634 (gen_lowpart_or_truncate): New function.
12635 (force_to_mode): Use it instead of gen_lowpart.
12637 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12639 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12640 VAR is a tag, not its type tag.
12642 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12644 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12645 alternatives to match style of other entries.
12646 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12648 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12650 PR tree-optimization/25771
12651 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12654 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12657 * tree-inline.c (declare_return_variable): If the return variable
12658 was marked as a non gimple complex, set the return slot variable
12659 to be a non gimple comple variable.
12661 2006-01-13 Richard Guenther <rguenther@suse.de>
12663 * builtins.c (expand_builtin_sincos): New function.
12664 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12666 (expand_builtin): Expand sincos using expand_builtin_sincos.
12668 2006-01-12 DJ Delorie <dj@redhat.com>
12670 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12671 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12672 so that constant shifts can be split.
12673 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12674 (m32c_valid_pointer_mode): Make static.
12675 (shift_gen_func_for): New.
12676 (m32c_prepare_shift): Use it. Split large const shifts into
12678 * config/m32c/predicates.md (shiftcount_operand): Allow more
12680 (longshiftcount_operand): New.
12681 * doc/md.texi (Machine Constraints): Document In6.
12683 2006-01-13 Ben Elliston <bje@au.ibm.com>
12685 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12686 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12689 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12691 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12692 to try to avoid clobbering pieces of structures when we know
12693 something about the whole structure.
12694 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12696 2006-01-13 Ben Elliston <bje@au.ibm.com>
12698 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12699 return in memory, as this is no limitation is no longer present.
12701 2006-01-12 DJ Delorie <dj@redhat.com>
12703 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12704 mova with fb, and for fb+0 -> An.
12706 * config/m32c/mov.md (peephole2): Fix enabling logic.
12708 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12709 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12710 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12711 FINI_ARRAY_SECTION_ASM_OP): Define.
12713 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12715 (m32c_legitimize_reload_address): New logic to reload FB to An.
12716 (m32c_output_reg_push): Add newline.
12717 (m32c_output_reg_pop): Likewise.
12719 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12721 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12723 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12725 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12727 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12729 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12732 2006-01-11 Ben Elliston <bje@au.ibm.com>
12734 * rtlanal.c (find_reg_note): Assert insn is not null.
12736 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12738 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12741 2006-01-11 Jeff Law <law@redhat.com>
12743 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12745 (mark_threaded_blocks, register_jump_thread): New functions.
12746 (thread_through_all_blocks): Remove unwanted argument. No
12747 longer rely on e->aux to communicate thread target info.
12748 Call mark_threaded_blocks. Release the threaded_blocks
12749 bitmap and threaded_edges vector when complete.
12750 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12751 (threaded_blocks): Remove.
12752 (tree_ssa_dominator_optimize): Remove initialization and
12753 finalization of threaded_blocks. Simplify call to
12754 thread_through_all_blocks.
12755 (thread_across_edge): Call register_jump_thread rather than
12756 storing thread information into e->aux.
12757 (free_all_edge_infos): Simplify now that e->aux is no longer
12758 used to communicate with thread_through_all_blocks.
12759 * tree-flow.h (thread_through_all_blocks): Update prototype.
12760 (register_jump_thread): Prototype.
12762 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12764 * df-core.c (df_compact_blocks, df_bb_replace): Use
12765 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12767 2006-01-11 Richard Guenther <rguenther@suse.de>
12769 PR tree-optimization/25734
12770 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12771 stop propagation after successful propagation to the LHS.
12773 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12775 * basic-block.h (control_flow_graph): Change the type of
12776 x_basic_block_info to VEC(basic_block,gc) *.
12777 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12779 (SET_BASIC_BLOCK): New.
12780 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12781 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12782 * cfgbuild.c (find_basic_blocks): Likewise.
12783 * cfglayout.c (fixup_reorder_chain): Likewise.
12784 * cfgrtl.c (create_basic_block_structure,
12785 rtl_create_basic_block): Likewise.
12786 * ifcvt.c (find_if_case_1): Likewise.
12787 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12790 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12792 * Makefile.in: Removed rotted odf.c entry.
12794 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12797 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12798 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12799 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12800 output pattern modifier, not %e.
12801 * config/cris/cris.c (cris_op_str): Update comment about pattern
12803 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12804 before falling through into...
12805 <case 'E'>: Redefined from old 'e' case.
12807 2006-01-11 Jan Hubicka <jh@suse.cz>
12810 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12812 2006-01-11 Jan Hubicka <jh@suse.cz>
12814 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12815 * i386.c (x86_decompose_lea): Kill.
12816 (ix86_rtx_costs): Kill.
12818 2006-01-11 Jan Hubicka <jh@suse.cz>
12820 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12821 * cgraph.h (cgraph_node): Add inline_decl.
12822 (cgraph_insert_node_to_hashtable): Declare.
12823 (save_inline_function_body): Declare.
12824 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12826 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12827 (cgraph_function_versioning): Update call of tree_function_versioning.
12828 (save_inline_function_body): New function.
12829 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12830 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12831 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12832 (cgraph_default_inline_p): Likewise.
12833 (cgraph_decide_inlining_incrementally): Likewise.
12834 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12835 (copy_bb): Kill saving; do updating of clones.
12836 (copy_cfg_body): Kill saving.
12837 (initialize_inlined-parameters): Likewise.
12838 (expand_call_inline): Likewise.
12840 (tree_function_versioning): New parameter "update_clones".
12841 (inlining_p): Kill saving.
12842 * tree-inline.h (tree_function_versioning): Update prototype.
12843 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12846 2006-01-11 Ian Lance Taylor <ian@airs.com>
12848 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12849 Allow undoing set of machine mode.
12850 (do_SUBST): Use enums instead of is_int.
12851 (do_SUBST_MODE): New function.
12852 (SUBST_MODE): New macro.
12853 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12854 reg and trying to replace reg_regno_rtx with a new register.
12855 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12856 (simplify_set): Use SUBST_MODE.
12857 (distribute_notes): Remove code that tried to update reg notes
12858 for regno_reg_rtx changes.
12860 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12862 PR tree-optimization/23109
12863 PR tree-optimization/23948
12864 PR tree-optimization/24123
12866 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12867 * tree-cfg.c (single_noncomplex_succ): New.
12868 * tree-flow.h (single_noncomplex_succ): Declare it.
12869 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12870 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12871 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12872 insert_bb, register_division_in, insert_reciprocals,
12873 replace_reciprocal, free_bb): New.
12874 (execute_cse_reciprocals_1): Rewritten.
12875 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12876 Do not commit any edge insertion. Always compute dominators and
12877 create the allocation pool.
12878 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12879 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12880 * targhooks.c (default_min_divistions_for_recip_mul): New.
12881 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12882 * passes.c (init_optimization_passes): Run recip after tree loop
12884 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12886 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12887 Kenneth Zadeck <zadeck@naturalbridge.com>
12889 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12890 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12891 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12892 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12893 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12894 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12895 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12896 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12897 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12898 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12899 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12900 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12901 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12902 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12903 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12904 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12905 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12906 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12907 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12908 DF_SCAN_POST_ALLOC): New macros.
12909 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12910 df_free_bb_function, df_local_compute_function, df_init_function,
12911 df_dataflow_function, df_confluence_function_0,
12912 df_confluence_function_n, df_transfer_function,
12913 df_finalizer_function, df_free_function, df_dump_problem_function,
12914 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12915 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12916 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12917 df_urec_bb_info, ) New types.
12918 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12920 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12921 df_analyze_simple_change_some_blocks,
12922 df_analyze_simple_change_one_block, df_compact_blocks,
12923 df_bb_replace, df_bb_regno_last_use_find,
12924 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12925 df_insn_regno_def_p, df_find_def, df_find_use,
12926 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12927 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12928 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12929 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12930 debug_df_chain, df_get_dependent_problem, df_chain_create,
12931 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12932 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12933 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12934 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12935 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12936 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12937 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12938 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12939 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12940 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12941 df_reorganize_refs, df_set_state, df_hard_reg_init,
12942 df_read_modify_subreg_p) New public functions.
12943 * df-core.c: The core dataflow solver and glue routines for rtl
12945 (df_init, df_add_problem, df_set_blocks, df_finish,
12946 df_hybrid_search_forward, df_hybrid_search_backward,
12947 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12948 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12949 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12950 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12951 df_reg_defined, df_find_use, df_reg_used, df_dump,
12952 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12953 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12954 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12955 debug_df_useno, reset_df_after_reload): New functions.
12956 * df-scan.c: The scanning fuctions, once in df.c, completely
12957 rewritten so that they now fully model the functionality of
12958 register usage at the backend.
12959 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12960 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12961 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12962 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12963 df_get_artificial_defs, df_get_artificial_uses,
12964 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12965 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12966 df_refs_delete, df_reorganize_refs, df_set_state,
12967 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12968 df_def_record_1, df_defs_record, df_uses_record,
12969 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12970 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12971 df_record_exit_block_uses, df_hard_reg_init): New functions.
12973 * df-problems.c: Seven concrete dataflow problems that use the
12974 scanning in df-scan.c and are solved by the engine in df-core.c.
12975 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12976 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12977 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12978 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12979 df_ru_free_bb_info, df_ru_alloc,
12980 df_ru_bb_local_compute_process_def,
12981 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12982 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12983 df_ru_transfer_function, df_ru_free, df_ru_dump,
12984 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12985 df_rd_free_bb_info, df_rd_alloc,
12986 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12987 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12988 df_rd_transfer_function, df_rd_free, df_rd_dump,
12989 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12990 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12991 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12992 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12993 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12994 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12995 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12996 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12997 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12998 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12999 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13000 df_urec_mark_reg_use_for_earlyclobber,
13001 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13002 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13003 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13004 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13005 df_chain_create_bb_process_use, df_chain_create_bb,
13006 df_chain_finalize, df_chain_free, df_chains_dump,
13007 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13008 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13009 df_reg_lifetime): New functions.
13010 * df.c: Deleted file.
13011 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13012 consistent with new df api.
13013 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13014 rest_of_handle_sms): Ditto.
13015 * web.c (unionfind_union, union_defs, entry_register, web_main):
13017 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13018 invariant_expr_equal_p, find_defs, check_dependencies,
13019 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13020 free_inv_motion_data, move_loop_invariants): Ditto.
13021 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13022 Update dependencies.
13023 (odf.c): Added defective entry that was deleted later in day.
13024 * sched-deps.c (sched_analyze_1): Ditto.
13026 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13028 * tree-ssa-operands.c (get_expr_operands): Record addressable
13029 variables directly. Do not call add_stmt_operands for CONST_DECLs
13031 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13032 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13034 2006-01-11 Ben Elliston <bje@au.ibm.com>
13036 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13037 function returns true in the positive case.
13039 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13042 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13043 for SI, DI, SF and DF modes. Add alternatives to copy between
13044 general and floating point registers to the 32-bit patterns.
13045 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13046 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13047 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13048 generating 64-bit code.
13049 * config/pa/pa.c (output_move_double): Handle copies between general
13050 and floating registers.
13052 2006-01-10 Stuart Hastings <stuart@apple.com>
13054 * config/i386/i386.md (set_got): Update.
13055 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13056 (builtin_setjmp_receiver): Mach-O support.
13057 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13058 (GOT_SYMBOL_NAME): Define.
13059 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13060 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13061 * config/i386/i386.c (override_options): Revise for Darwin.
13062 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13063 support. (darwin_x86_file_end): New. (output_set_got): Add label
13064 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13065 * config/i386/i386-protos.h (output_set_got): Likewise.
13066 * config/darwin.c (machopic_legitimize_pic_address): Update
13069 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13071 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13072 when MODE isn't BLKmode.
13074 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13076 PR rtl-optimization/25367
13077 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13079 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13082 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13083 for a negative bound.
13085 2006-01-10 Richard Guenther <rguenther@suse.de>
13087 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13088 Never override with anything constraint.
13090 2006-01-10 Jan Beulich <jbeulich@novell.com>
13092 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13093 256 bits when optimize_size.
13095 2006-01-10 Jan Beulich <jbeulich@novell.com>
13097 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13099 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13100 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13103 2006-01-10 Ben Elliston <bje@au.ibm.com>
13105 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13107 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13108 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13109 (USE_FP_FOR_ARG): Reject decimal float modes.
13110 (function_arg_advance): Likewise.
13111 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13112 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13113 point types in AltiVec vectors.
13114 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13115 (rs6000_libcall_value): Likewise.
13117 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13119 * config/xtensa/ieee754-df.S: New file.
13120 * config/xtensa/ieee754-sf.S: New file.
13121 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13122 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13123 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13125 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13127 * config/sh/predicates.md (binary_float_operator,
13128 binary_logical_operator, commutative_float_operator,
13129 equality_comparison_operator, greater_comparison_operator,
13130 less_comparison_operator, logical_operator,
13131 noncommutative_float_operator, shift_operator,
13132 symbol_ref_operand, unary_float_operator): Remove redundant
13135 2006-01-09 Jeff Law <law@redhat.com>
13137 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13138 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13139 now unused arguments. Callers updated.
13140 (eliminate_redundant_computations): Remove now unused arguments,
13142 (local_fold): Remove, no longer used.
13143 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13145 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13146 (simplify_cond): New function.
13147 (forward_propagate_into_cond): Call simplify_cond.
13149 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13151 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13152 (*vec_extractv2di_1_sse): New.
13154 2006-01-09 Ben Elliston <bje@au.ibm.com>
13156 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13158 2006-01-08 Richard Guenther <rguenther@suse.de>
13160 * tree-ssa-structalias.c (get_constraint_for): Remove
13161 anyoffset argument.
13162 (get_constraint_for_component_ref): Likewise.
13163 (do_deref): Likewise.
13164 (get_constraint_for): Likewise.
13165 (do_structure_copy): Likewise.
13166 (handle_ptr_arith): Likewise.
13167 (find_func_aliases): Likewise. Remove unused need_anyoffset
13170 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13171 Kaz Kojima <kkojima@gcc.gnu.org>
13173 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13174 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13175 (EXTRA_CONSTRAINT_C16): Remove.
13176 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13177 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13178 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13179 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13180 constants of SHmedia. Handle nested constant expressions of
13182 (andcosts): Fix the costs for SHmedia constants.
13183 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13184 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13185 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13186 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13187 (movv4hi_i, movv2si_i): Likewise.
13188 (movsi_const): Adjust the second operand of ior so to match with
13189 the Csu constraint.
13190 (movdi_const, movdi_const_32bit): Likewise.
13191 (movdi_const_16bit+1): Don't sign-extend LOW.
13192 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13194 (*double_shori): Fix the split condition. Use GEN_INT instead
13195 of get_int_mode calls. Mask lower 16-bit of the argument of
13197 (sym2GOTPLT): Remove.
13198 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13200 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13201 instead of EXTRA_CONSTRAINT_C16.
13203 2006-01-07 Ian Lance Taylor <ian@airs.com>
13204 David Edelsohn <edelsohn@gnu.org>
13206 PR rtl-optimization/25662
13207 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13208 for constant operands instead of simplify_gen_binary.
13209 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13210 after trying simplify_binary_operation
13212 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13214 * tree.c (iterative_hash_expr): Hash decls based on UID.
13216 2006-01-06 Eric Christopher <echristo@apple.com>
13218 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13219 (TARGET_UNWIND_EMIT): Fix spelling.
13220 * target.h (gcc_target): Add except_table_label.
13221 * except.c (output_function_exception_table): Use.
13222 * varasm.c (default_emit_except_table_label): New.
13223 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13225 (asm_out): Add here.
13226 * output.h (default_emit_except_table_label): Prototype.
13227 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13228 * config/darwin.c (darwin_emit_except_table_label): Define.
13229 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13231 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13233 PR tree-optimization/18527
13234 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13235 number_of_iterations_special, number_of_iterations_exit):
13236 Move base and step of an iv to a single structure. Add
13237 no_overflow flag, and use it in # of iterations analysis.
13238 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13239 folded_casts argument.
13240 (simple_iv): Pass base and step in a structure. Set no_overflow
13242 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13243 Evaluate expensiveness of computing # of iterations instead of
13244 the final expression.
13245 * tree-scalar-evolution.h (affine_iv): New structure.
13246 (simple_iv): Declaration changed.
13247 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13248 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13249 find_givs_in_stmt): Changed due to simple_iv change.
13251 2006-01-06 Jeff Law <law@redhat.com>
13254 * tree-cfg.c (bsi_replace): Rename final argument from
13255 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13256 change (stmt -> orig_stmt).
13257 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13258 (bsi_remove): Add new argument. Remove EH information
13260 (verify_eh_throw_table_statements): New function.
13261 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13263 * tree-optimize.c (execute_free_cfg_annotations): Verify
13264 the EH throw statement table after removing annotations.
13265 * except.h (verify_eh_throw_table_statements): Prototype.
13266 * tree-flow.h (bsi_remove): Update prototype.
13267 * tree-vrp.c (remove_range_assertions): Add new argument to
13269 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13270 * tree-complex.c (expand_complex_div_wide): Likewise.
13271 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13272 * tree-tailcall.c (eliminate_tailcall): Likewise.
13273 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13274 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13275 * tree-nrv.c (tree_nrv): Likewise.
13276 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13277 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13278 (combine_blocks): Likewise.
13279 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13280 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13281 (cleanup_control_flow): Likewise.
13282 (remove_forwarder_block): Likewise.
13283 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13284 * tree-sra.c (sra_replace): Likewise.
13285 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13286 (forward_propagate_single_use_vars): Likewise.
13287 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13288 * tree-inline.c (expand_call_inline): Likewise.
13289 * tree-vect-transform.c (vect_transform_loop): Likewise.
13290 * tree-outof-ssa.c (rewrite_trees): Likewise.
13291 * tree-cfg.c (make_goto_expr_edges): Likewise.
13292 (cleanup_dead_labels): Likewise.
13293 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13294 (bsi_move_before, bsi_move_after): Likewise.
13295 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13296 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13298 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13301 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13303 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13304 on non gimple variables. Also add checks at the top for decls and
13306 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13308 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13309 and IMAGPART_EXPR for creating MUST_DEFs.
13310 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13311 and NAME_MEMORY_TAG separately from the DECLs.
13313 2006-01-06 Richard Guenther <rguenther@suse.de>
13315 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13316 annotation, if necessary.
13317 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13318 redundant calls to update_stmt.
13319 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13322 2006-01-05 Richard Henderson <rth@redhat.com>
13324 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13326 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13328 * c-typeck.c: Update copyright date.
13330 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13332 * c-typeck.c (build_c_cast): Always warn when casting
13333 from a pointer to an integer of different size, even if
13334 the node was constant.
13336 2006-01-05 Richard Guenther <rguenther@suse.de>
13338 PR tree-optimization/22555
13339 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13340 if one structure field is an array.
13341 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13342 operands even if we found a subvar, but ignore VOPs in this
13344 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13346 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13348 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13350 PR middle-end/24998
13351 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13353 2006-01-05 Richard Guenther <rguenther@suse.de>
13354 Diego Novillo <dnovillo@redhat.com>
13356 * tree-pass.h (TODO_remove_unused_locals): Define.
13357 * gimple-low.c (expand_var_p, remove_useless_vars,
13358 pass_remove_useless_vars): Remove. Update all users.
13359 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13360 (remove_unused_locals): New function.
13361 * tree-flow.h (remove_unused_locals): Declare.
13362 * passes.c (execute_todo): Call remove_unused_locals if
13363 TODO_remove_unused_locals is set.
13364 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13365 * tree-ssa-dce.c (pass_dce): Likewise.
13366 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13368 2006-01-05 Richard Guenther <rguenther@suse.de>
13370 * tree-flow.h (struct fieldoff): Decompose field to
13371 type, size and decl.
13372 * tree-ssa-alias.c (create_sft): Take type as parameter.
13373 (create_overlap_variables_for): Store type, size and decl
13374 in the fieldoff structure.
13375 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13376 of struct fieldoff.
13377 (push_fields_onto_fieldstack): Likewise.
13378 (create_variable_info_for): Likewise. Use offset for the
13379 SFT name if the decl is not available.
13381 2006-01-04 Paul Brook <paul@codesourcery.com>
13383 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13385 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13387 * lambda-code.c (can_put_in_inner_loop): Relax
13389 (can_put_after_inner_loop): New function.
13390 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13391 (perfect_nestify): Change to make copies and modify uses.
13393 2006-01-04 Richard Henderson <rth@redhat.com>
13395 Merge from gomp branch:
13396 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13397 via integer constant.
13398 (pragma_lex): Remove.
13399 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13400 rather than parsing it.
13401 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13402 handle_pragma_extern_prefix): Add %< %> quotes.
13403 (registered_pragmas): New.
13404 (c_register_pragma_1): New.
13405 (c_register_pragma): Use it.
13406 (c_register_pragma_with_expansion): Likewise.
13407 (c_invoke_pragma_handler): New.
13408 (init_pragma): Use cpp_register_deferred_pragma directly for
13410 * c-pragma.h (enum pragma_kind): New.
13411 (pragma_handler): New.
13412 (c_invoke_pragma_handler): Declare.
13413 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13415 * c-common.h (c_common_pch_pragma): Update decl.
13416 * Makefile.in (c-parser.o): Update dependencies.
13417 (GTFILES): Add c-pragma.h.
13418 * c-parser.c (struct c_token): Add pragma_kind.
13419 (struct c_parser): Add in_pragma.
13420 (c_lex_one_token): Always initialize keyword and pragma_kind.
13421 Extract data for CPP_PRAGMA.
13422 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13423 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13424 Don't allow CPP_PRAGMA_EOL if in_pragma.
13425 (c_parser_consume_pragma): New.
13426 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13427 (c_parser_skip_to_end_of_parameter): Likewise.
13428 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13429 (c_parser_skip_to_pragma_eol): New.
13430 (c_parser_external_declaration): Handle CPP_PRAGMA.
13431 (c_parser_compound_statement_nostart): Likewise.
13432 (c_parser_statement_after_labels): Likewise.
13433 (c_parser_pragma): New.
13434 (pragma_lex): Likewise.
13435 (c_parser_pragma_pch_preprocess): New.
13436 (c_parser_new): Merge into ...
13437 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13439 2006-01-04 Jeff Law <law@redhat.com>
13442 * tree-cfg.c (bsi_replace): Remove the original statement
13443 from the EH throw statement table.
13445 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13447 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13448 make the prototype extern "C" and add throw ().
13451 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13452 and pos non-negative and pos + len <= 32.
13453 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13454 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13455 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13458 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13459 as well as sizes not multiple of component size.
13462 * function.c (instantiate_expr): New function.
13463 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13464 walk its DECL_VALUE_EXPR with instantiate_expr.
13466 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13467 DW_OP_deref{,_size} if address isn't going to be added.
13469 2006-01-04 Ben Elliston <bje@au.ibm.com>
13471 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13472 * config/fp-bit.c: Likewise.
13474 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13476 * dominance.c: Add comment about why we use DFS numbering
13479 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13480 Richard Henderson <rth@redhat.com>
13482 Merge from gomp-branch:
13483 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13484 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13486 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13488 PR rtl-optimization/25578
13489 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13490 pass a parameter to simplify_shift_const if changing ASHIFTRT
13493 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13495 * builtins.c (get_builtin_sync_mem): New function.
13496 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13497 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13498 Call get_builtin_sync_mem to generate mem rtx.
13500 2006-01-03 Richard Guenther <rguenther@suse.de>
13503 * stmt.c (add_case_node): Make sure to clear overflow flags
13506 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13508 Merge from gomp-branch.
13509 * config/sparc/sync.md: New file.
13510 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13511 UNSPECV_LDSTUB): New constants.
13512 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13513 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13514 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13517 2006-01-03 Roger Sayle <roger@eyesopen.com>
13519 * combine.c (reg_subword_p): New predicate to test whether the
13520 destination of a set refers to a subword/piece of a register.
13521 (try_combine): Generalize the code to merge the setting of a
13522 pseudo to a constant followed by a set of a subword of that
13523 register to a constant.
13525 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13527 * basic-block.h (control_flow_graph): Change the type of
13528 x_label_to_block_map to VEC(basic_block,gc) *.
13529 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13530 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13532 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13533 VEC(basic_block,heap) *.
13534 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13535 ssa_prop_fini): Adjust the uses of cfg_blocks.
13537 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13539 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13541 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13542 hashing trees instead of a pointer hash.
13543 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13544 compare for MEM_EXPR.
13546 PR rtl-optimization/25130
13547 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13548 when comparing MEMs for GCSE
13550 2006-01-03 Ben Elliston <bje@au.ibm.com>
13552 * targhooks.h (default_decimal_float_supported_p): Declare.
13553 * targhooks.c (default_decimal_float_supported_p): Define.
13554 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13555 `default_decimal_float_supported_p'.
13556 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13558 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13560 * combine.c (apply_distributive_law <SUBREG>): Check
13561 TRULY_NOOP_TRUNCATION.
13563 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13565 * dwarf2out.c (have_switched_text_section): Delete.
13566 (have_multiple_function_sections): New.
13567 (have_location_lists): Make 'bool'.
13568 (add_AT_loc_list): Use 'true' not '1'.
13569 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13570 (output_loc_list): Use have_multiple_function_sections.
13571 (output_ranges): Likewise.
13572 (dwarf2out_begin_function): Set have_multiple_function_sections if
13574 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13575 Check function_section rather than DECL_SECTION_NAME.
13576 (dwarf2out_finish): Use have_multiple_function_sections.
13577 Don't clear have_location_lists.
13579 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13580 Jan Hubicka <jh@suse.cz>
13582 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13583 case of conditional jump jumping to the next instruction.
13584 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13585 cases of conditional jump jumping to the next instruction.
13587 2006-01-02 Jan Hubicka <jh@suse.cz>
13589 * i386.c (*_cost): Add COSTS_N_INSNS.
13590 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13592 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13595 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13597 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13599 * config/arm/arm.c (all_fpus): Fix comment typo.
13600 * config/darwin.c: Likewise.
13601 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13602 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13603 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13605 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13607 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13608 (rs6000_split_compare_and_swapqhi): New.
13609 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13610 (sync_compare_and_swapqhi_internal): New.
13611 * config/rs6000/rs6000-protos.h: Declare.