1 2006-07-27 Jan Hubicka <jh@suse.cz>
3 PR rtl-optimization/28071
4 * cselib.c (cselib_process_insn): Don't remove useless values too
5 often for very large hashtables.
7 2006-07-27 Jan Hubicka <jh@suse.cz>
9 PR rtl-optimization/28071
10 * global.c (greg_obstack): New obstack.
11 (allocate_bb_info): Use it.
12 (free_bb_info): Likewise.
13 (modify_reg_pav): Likewise.
15 2006-07-27 Roger Sayle <roger@eyesopen.com>
17 * builtins.c (fold_fixed_mathfn): When long and long long are the
18 same size, canonicalize llceil*, llfloor*, llround* and llrint*
19 functions to their lceil*, lfloor*, lround* and lrint* forms.
21 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
24 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
26 (rev_branch_insn): Likewise.
28 2006-07-27 Jan Hubicka <jh@suse.cz>
30 PR rtl-optimization/28071
31 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
32 (reg_set_in_bb, max_reg_computed): New static variables.
33 (regmove_optimize): Free the new array.
34 (fixup_match_1): Update call of reg_is_remote_constant_p.
36 2006-07-26 Jan Hubicka <jh@suse.cz>
38 PR tree-optimization/27882
39 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
41 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
43 (cgraph_analyze_compilation_unit): Likewise.
44 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
45 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
46 (cgraph_early_inlinine): Make order garbage collected.
47 * Makefile.in (gt-ipa-inline): New garbagecollected file.
49 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
51 * dbxout.c (output_types_sort): Add a comment.
52 (output_used_types): Free the VEC.
54 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
56 * function.c (reorder_fix_fragments): Delete.
57 (reorder_blocks): Don't call it.
58 (reorder_blocks_1): Put all subblocks under the origin block.
60 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
62 PR rtl-optimization/27907
63 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
66 2006-07-25 Roger Sayle <roger@eyesopen.com>
69 * convert.c (convert_to_integer): When transforming (T)foo(x) into
70 bar(x) check that bar's result type can represent all the values of T.
72 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
74 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
76 2006-07-25 Nick Clifton <nickc@redhat.com>
78 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
80 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
81 (ggc_pch_count_object): Likewise.
82 (ggc_pch_alloc_object): Likewise.
83 (ggc_pch_write_object): Likewise.
84 (init_ggc): Do not attempt to initialize entries in the
85 size_lookup[] array for objects whose size is greater than than
86 the length of the array.
88 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
90 * dbxout.c (output_used_types_helper): Push queued types
92 (output_types_sort): New.
93 (output_used_types): Collect used types on a VEC and sort them
96 2006-07-24 Richard Guenther <rguenther@suse.de>
99 * cgraph.c (cgraph_remove_node): Do not check if dumps
101 * cgraphunit.c (cgraph_optimize): Likewise.
103 2006-07-24 Jan Hubicka <jh@suse.cz>
105 PR rtl-optimization/28071
106 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
107 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
108 splitting before first stmt.
110 2006-07-24 Jan Hubicka <jh@suse.cz>
112 PR rtl-optimization/28071
113 * ipa-inline.c (update_caller_keys): Remove edges that
114 are no longer inline candidates.
116 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
119 * dbxout.c (output_used_types_helper, output_used_types): New.
120 (dbxout_symbol): Call output_used_types.
122 2006-07-23 Jan Hubicka <jh@suse.cz>
126 * cgraph.c (cgraph_varpool_nodes): Export.
127 (decide_is_variable_needed): Ignored "used" attribute in
129 * cgraph.h (cgraph_varpool_nodes): Declare.
130 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
133 2006-07-23 Roger Sayle <roger@eyesopen.com>
136 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
137 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
138 the __gthrw form of thr_keycreate.
139 (__gthread_key_delete): Silence the unused argument warning.
141 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
144 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
145 Cache the last found '\0' marker to avoid quadratic behavior.
147 2006-07-23 Jan Hubicka <jh@suse.cz>
149 * i386.md (subsi_3_zext): Fix output template.
151 2006-07-21 Mike Stump <mrs@apple.com>
153 * doc/invoke.texi (C++ Dialect Options): Note that
154 -fvisibility-inlines-hidden doesn't affect explicitly
155 instantiationed inline methods.
157 2006-07-20 Roger Sayle <roger@eyesopen.com>
159 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
160 if the target assembler is GNU binutils' gas.
161 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
162 whether to pass GNU gas or native as command line options.
164 2006-07-20 Jason Merrill <jason@redhat.com>
166 * tree.c (remove_attribute): New fn.
167 * tree.h: Declare it.
169 2006-07-20 Paul Brook <paul@codesourcery.com>
172 * cse.c (cse_insn): Add destination addresses to hash table. Check if
173 they are invalidated by this instruction.
175 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
178 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
180 2006-07-20 Eric Christopher <echristo@apple.com>
183 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
185 2006-07-19 Eric Christopher <echristo@apple.com>
187 * config/t-slibgcc-darwin (stmp-lipo): Remove.
188 Rewrite dependencies for libgcc_s.1.dylib.
190 2006-07-19 Jakub Jelinek <jakub@redhat.com>
192 * except.c (duplicate_eh_regions_1): Clear next_peer.
194 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
196 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
197 -mlongcall does not guarantee all calls will be long.
198 * doc/extend.texi (long_call/short_call): Document that longcall
199 does not guarantee a long call will be used.
200 (longcall/shortcall): Likewise.
202 2006-07-18 Roger Sayle <roger@eyesopen.com>
205 * expmed.c (expand_shift): Additionally check that the shift_cost
206 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
207 before implementing a LSHIFT_EXPR as a sequence of additions.
208 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
209 middle-end that DImode shifts need to be synthesized by expand.
211 2006-07-18 Diego Novillo <dnovillo@redhat.com>
214 * tree-ssa-operands.c (access_can_touch_variable): Update
216 Return true if ALIAS is .GLOBAL_VAR.
218 2006-07-18 David Daney <ddaney@avtrex.com>
220 * gcc.c (display_help): Fix typo in help text.
222 2006-07-18 Olivier Hainque <hainque@adacore.com>
224 * tree.h (categorize_ctor_elements): Adjust prototype and add
225 descriptive comment, both in accordance with the interface change
227 * varasm.c (constructor_static_from_elts_p): New function.
228 Whether a constructor node is a valid static constant initializer
229 if all its elements are.
230 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
231 * output.h: Declare it.
232 * expr.c (categorize_ctor_elements_1): Return whether the constructor
233 is a valid constant initializer instead of computing the number of
234 non-constant elements. Use constructor_static_from_elts_p for this
235 purpose. Replace the head comment with an indication that this is a
236 helper for categorize_ctor_elements.
237 (categorize_ctor_elements): Same interface change as for the _1
238 helper. Former head comment from this helper moved here, adjusted to
239 account for the interface changes.
240 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
241 (all_zeros_p): Likewise.
242 * gimplify.c (gimplify_init_constructor): Decide whether we can make
243 static versions of the constructor from the categorize_ctor_elements
244 return value instead of the formerly computed number of non-constant
247 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
249 * configure: Regenerate.
250 * Makefile.in (build_libsubdir): New configure substitution
251 (build_libobjdir): New variable.
252 (BUILD_LIBIBERTY): Use it.
254 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
257 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
259 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
262 * c-common.c (handle_weakref_attribute): Ignore attribute in
263 the same conditions the alias attribute is ignored.
265 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
267 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
268 (dbxout_begin_prologue): Increment scope_labelno.
270 2006-07-17 Richard Henderson <rth@redhat.com>
273 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
276 2006-07-17 Roger Sayle <roger@eyesopen.com>
277 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
279 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
280 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
281 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
282 functions such as sbrk, write, etc.. Add function prototypes.
283 Convert function declarations from K&R to ISO C. Cast pointers
284 to "long" and "unsigned long" instead of "int" and "unsigned int".
285 Convert tokens following #endif into comments.
287 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
289 * invoke.texi: Remove mention of f77; Reformat table for
290 inline parameter options correctly; mention that -malign-double
291 is default on x86-64 targets.
293 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
295 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
296 (convert_affine_scev, chrec_convert_aggressive): Use
297 avoid_arithmetics_in_type_p. Do not check for the subtypes
300 2006-07-17 Richard Sandiford <richard@codesourcery.com>
303 * optabs.c (expand_doubleword_shift): Wrap the call to
304 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
306 2006-07-17 Richard Sandiford <richard@codesourcery.com>
309 * optabs.c (expand_binop): Pass next_methods rather than methods
310 to expand_doubleword_shift.
312 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
315 * tree.h (dump_addr): Declare.
316 * print-tree.c (dump_addr): New function.
317 (print_node_brief, print_node): Use it.
318 * print-rtl.c (print_rtx): Likewise.
319 * common.opt (-fdump-noaddr): New option.
320 * doc/invoke.texi (-fdump-noaddr): Document.
321 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
322 (ve_info_hash): Likewise.
324 2006-07-13 Andrew Haley <aph@redhat.com>
326 PR tree-optimization/19505
327 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
328 edge leaving this block, make sure that the destination of this
329 block has only one predecessor.
331 2006-07-17 Richard Guenther <rguenther@suse.de>
333 PR tree-optimization/28238
334 * tree-inline.c (copy_bb): Check if we produced valid
335 gimple copying and substituting a stmt. If not, gimplify
338 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
340 * optabs.c (maybe_encapsulate_block): New function extracted from...
341 (emit_libcall_block): ...here. Invoke it on the block of insns to
342 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
343 (emit_no_conflict_block): Likewise.
345 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
347 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
349 2006-07-15 Roger Sayle <roger@eyesopen.com>
351 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
352 a new NOP_EXPR case of the switch statement.
354 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
357 * stor-layout.c (place_field): Take the bit field with
358 an excessive size into account in the ms-bitfiled case.
361 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
362 the previous bit field.
364 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
367 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
369 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
371 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
372 signal frames correctly even when the signal was installed with
375 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
377 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
378 (dbxout_function_end): Use local label LFBB. Remove hook
380 (dbxout_source_line): Use local label LFBB.
381 (dbxout_block): Likewise.
382 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
383 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
384 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
387 2006-07-13 Janis Johnson <janis187@us.ibm.com>
389 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
391 2006-07-13 Jan Hubicka <jh@suse.cz>
393 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
395 * output.h (align_variable): Declare.
396 * varasm.c (align_variable): Export.
397 * value-prof.c (tree_value_profile_transformations): Recompute iterator
398 when basic block changed.
400 2006-07-13 Nick Clifton <nickc@redhat.com>
402 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
403 walking the LOG_LINKS chain.
405 2006-07-12 Geoffrey Keating <geoffk@apple.com>
407 * doc/invoke.texi (C++ Dialect Options): Explain difference
408 between -fvisibility-inlines-hidden and setting hidden
409 visibility explicitly.
411 2006-07-12 Eric Christopher <echristo@apple.com>
413 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
414 (stmp-lipo): Depend on libgcc.a.
416 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
418 * tree.c: Fix a comment typo.
420 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
422 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
424 (umulhisi3_r): Likewise.
426 2006-07-12 Paolo Carlini <pcarlini@suse.de>
429 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
430 x < 19, vs wchar_t support.
432 2006-07-12 Nick Clifton <nickc@redhat.com>
434 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
437 2006-07-12 Mike Stump <mrs@apple.com>
439 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
441 2006-07-10 Eric Christopher <echristo@apple.com>
443 * config/t-slibgcc-darwin: Rewrite.
445 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
448 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
451 2006-07-08 Matthias Klose <doko@debian.org>
453 * doc/sourcebuild.texi: Fix typo.
455 2006-07-07 Mike Stump <mrs@apple.com>
457 * toplev.c (process_options): Don't give -ffunction-sections may
458 affect debugging warning for Mach-O.
460 2006-07-07 James E Wilson <wilson@specifix.com>
462 * config/mips/mips.md (cpu): Add sb1a.
463 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
464 addition to sb1. Adjust comments to clarify SB-1A differences from
466 (ir_sb1a_load): New. Modify bypasses to use it.
467 (ir_sb1a_simple_alu): Likewise.
468 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
469 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
470 (mips_issue_rate): Add PROCESSOR_SB1A.
471 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
472 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
473 (TARGET_SB1): Add PROCESSOR_SB1A check.
474 (TUNE_SB1): Likewise.
476 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
477 * config/mips/mips.c (mips_store_data_bypass_p): New.
478 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
481 2006-07-08 Paul Brook <paul@codesourcery.com>
484 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
486 2006-07-07 Richard Guenther <rguenther@suse.de>
489 * tree.h (build_one_cst): Declare.
490 * tree.c (build_one_cst): New function.
491 * tree-ssa-math-opts.c (get_constant_one): Remove.
492 (insert_reciprocals): Use build_one_cst.
493 * fold-const.c (fold_plusminus_mult): Likewise.
495 2006-07-07 Roger Sayle <roger@eyesopen.com>
497 * pointer-set.c (pointer_set_destroy): Correct whitespace.
498 * cfgloopanal.c (dump_graph): Likewise.
499 * dojump.c (discard_pending_stack_adjust): Likewise.
500 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
502 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
503 * function.c (finalize_block_changes): Likewise.
504 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
505 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
506 * rtl.c (dump_rtx_statistics): Likewise.
507 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
509 * varray.c (dump_varray_statistics): Likewise.
510 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
511 decode_decimal64, encode_decimal128, decode_decimal128,
512 decimal_real_to_decimal): Likewise.
514 2006-07-07 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/28187
517 * tree-vrp.c (vrp_operand_equal_p): New function.
518 (vrp_bitmap_equal_p): Likewise.
519 (update_value_range): Use them to compare old and new
522 2006-07-06 Roger Sayle <roger@eyesopen.com>
524 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
525 a default case to switch statement to silence compiler warnings.
527 2006-07-06 Roger Sayle <roger@eyesopen.com>
530 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
531 the configured assembler supports the x87's ffreep mnemonic.
532 * configure: Regenerate.
533 * config.in: Regenerate.
535 * config/i386/i386.c (output_387_ffreep): New function.
536 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
537 (output_387_reg_move): Likewise.
539 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
541 Port to hosts whose 'sort' and 'tail' implementations
542 treat operands with leading '+' as file names, as POSIX
543 has required since 2001. However, make sure the code still
544 works on pre-POSIX hosts.
545 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
546 which says you should use "tail -c +N" rather than "tail +Nc".
547 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
549 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
551 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
554 2006-07-06 David Edelsohn <edelsohn@gnu.org>
557 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
558 PRE_{INC,DEC} of TFmode.
560 2006-07-06 David Edelsohn <edelsohn@gnu.org>
561 Alan Modra <amodra@bigpond.net.au>
564 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
567 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
570 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
571 Remove duplicate gtu.
573 2006-07-05 Jason Merrill <jason@redhat.com>
577 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
578 * c-common.c (handle_packed_attribute): So don't copy it here.
579 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
581 2006-07-05 Mike Stump <mrs@apple.com>
583 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
585 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
588 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
590 2006-07-05 Richard Guenther <rguenther@suse.de>
593 * config/i386/i386.md (*negdf2_1): Restrict pattern to
594 TARGET_SSE2 targets if using SSE math.
595 (*absdf2_1): Likewise.
597 2006-07-05 Richard Guenther <rguenther@suse.de>
599 PR tree-optimization/28162
600 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
601 make sure to convert the operands to the correct type.
603 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
605 PR tree-optimization/28218
607 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
608 to calculate and free the dominator information.
610 2006-07-04 Peter O'Gorman <peter@pogma.com>
612 * mklibgcc.in: chmod 644 before ranlib during install.
614 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
615 J"orn Rennecke <joern.rennecke@st.com>
617 * configure.ac (.eh_frame data check): Use diff -b.
619 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
622 * Makefile.in (BUILD_RTL): Add build/vec.o.
623 (build/gencondmd.o): Filter out -fkeep-inline-functions.
624 (build/genextract): Delete.
625 (build/genautomata): Likewise.
627 2006-07-04 Alan Modra <amodra@bigpond.net.au>
630 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
631 128-bit IBM long doubles for ABI_V4.
633 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
635 * tree.c (range_in_array_bounds_p): New predicate.
636 * tree.h (range_in_array_bounds_p): Declare it.
637 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
638 return a less conservative answer.
639 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
641 (IS_ELEMENT_FOR_GROUP): New macro.
642 (FOR_EACH_ACTUAL_CHILD): Likewise.
643 (next_child_for_group): New helper function.
644 (can_completely_scalarize_p): Take into account groups.
645 (sra_hash_tree): Handle RANGE_EXPR.
646 (sra_elt_eq): Likewise.
647 (lookup_element): Be prepared for handling groups.
648 (is_valid_const_index): Delete.
649 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
650 instead of is_valid_const_index.
651 <ARRAY_RANGE_REF>: New case.
652 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
653 is_valid_const_index.
654 <ARRAY_RANGE_REF>: Do not unconditionally punt.
655 (scan_dump): Dump info for groups too.
656 (decide_instantiation_1): Likewise.
657 (decide_block_copy): Assert that the element is not a group.
658 Propagate decision to groups.
659 (generate_one_element_ref): Handle RANGE_EXPR.
660 (mark_no_warning): Iterate over actual childs.
661 (generate_copy_inout): Likewise.
662 (generate_element_copy): Likewise.
663 (generate_element_zero): Likewise.
664 (generate_element_init_1): Likewise.
665 (dump_sra_elt_name): Handle RANGE_EXPR.
667 2006-07-03 Roger Sayle <roger@eyesopen.com>
669 PR tree-optimization/26251
670 * tree-ssa-threadupdate.c (redirection_block_p): New function.
671 (thread_block): When optimizing for size refuse to thread jumps
672 that would require duplication of blocks other than redirection
675 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
677 * configure.ac: Fix thinko in previous check-in.
678 * configure: Regenerate.
680 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
683 * configure.ac (for lang...): Simplify nesting of conditionals.
684 Test subdir_requires for non-enabled languages. Move processing
685 of lang_opt_files and lang_tree_fiels below that test.
686 * configure: Regenerate.
687 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
689 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
691 * doc/gcov.texi (Invoking Gcov): Add a missing word.
693 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
695 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
698 2006-06-29 Jason Merrill <jason@redhat.com>
705 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
706 * c-common.c (c_determine_visibility): Handle it here.
707 * c-decl.c (finish_decl): Call c_determine_visibility for
709 * flags.h (enum symbol_visibility): Sort from most to least visibility.
711 * varasm.c (default_assemble_visibility): Likewise.
712 * c-common.c (handle_visibility_attribute): Complain about trying
713 to give visibility to an already defined class, or trying to change
714 declared visibility. Always attach the attribute.
719 * attribs.c (decl_attributes): Ignore type-in-place attributes
720 once the type has been defined.
722 2006-06-29 Roger Sayle <roger@eyesopen.com>
725 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
726 to indicate the cpplib has issued an error message for us.
728 2006-06-29 Asher Langton <langton2@llnl.gov>
731 * config/i386/i386.c (ix86_output_function_epilogue): Don't
732 insert a label at the end of an function under Mach-O.
734 2006-06-29 Eric Christopher <echristo@apple.com>
735 Evan Cheng <evan.cheng@apple.com>
737 * predicates.md (vector_all_ones_operand): New.
738 (nonimmediate_or_sse_const_operand): Ditto.
739 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
740 * config/i386/i386.c (standard_sse_constant_opcode): Define.
741 (standard_sse_mode_p): Ditto.
742 (standard_sse_constant_p): Add case for -1 vector.
743 (ix86_expand_vector_move): Try to use.
744 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
745 Call standard_sse_constant_opcode.
746 (*movv4sf_internal): Ditto.
747 (*movv2df_internal): Ditto.
749 2006-06-29 Roger Sayle <roger@eyesopen.com>
751 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
752 of XEXP to extract the operands of a MATCH_CODE rtx.
754 2006-06-28 Andrew Pinski <pinskia@gmail.com>
756 * tree.c (tree_size): Do not waste tail padding in
757 struct tree_string and make the size be the same as
758 build_string will generate.
760 2006-06-28 Jason Merrill <jason@redhat.com>
763 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
764 may_aliases already in the tag's annotations to the bitmap.
766 2006-06-28 Roger Sayle <roger@eyesopen.com>
768 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
770 2006-06-28 Roger Sayle <roger@eyesopen.com>
772 * genpreds.c (generate_switch_p): New function.
773 (add_mode_tests): Push the new mode test down inside an AND expr
774 if this allows the switch-suitable MATCH_CODE to be near the root.
775 (write_match_code_switch): New function to write a MATCH_CODE as
777 (write_predicate_stmts): New function to write a predicate RTX
778 expression as a sequence of statements.
779 (write_one_predicate_function): Use write_predicate_stmts.
780 (write_tm_constrs_h): Likewise.
782 2006-06-26 Fred Fish <fnf@specifix.com>
784 * config/mips/t-sb1: New file.
785 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
788 2006-06-26 DJ Delorie <dj@redhat.com>
790 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
792 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
793 Jayant Sonar <jayants@kpitcummins.com>
794 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
796 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
797 (subsi3, subsi3_1, subsi3_2): New.
798 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
799 * config/m32c/mov.md (SI mov peephole): New.
800 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
801 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
803 2006-06-26 Olivier Hainque <hainque@adacore.com>
805 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
806 a CALL_EXPR target function declaration.
808 2006-06-26 Richard Guenther <rguenther@suse.de>
810 * tree.c (build_string): Do not waste tail padding in
813 2006-06-26 Richard Guenther <rguenther@suse.de>
815 * ggc-page.c (init_ggc): Add missing element to size_lookup
819 2006-06-23 Richard Guenther <rguenther@suse.de>
821 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
822 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
823 alignment requests instead. Add verification code.
824 Add struct tree_function_decl and struct tree_binfo size to
825 extra_order_size_table. Add missing element to size_lookup
828 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
831 * fold-const.c (const_binop): Be prepared for self returning zero.
832 Simplify code handling complex values.
834 2006-06-24 Olivier Hainque <hainque@adacore.com>
836 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
837 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
840 2006-06-24 Olivier Hainque <hainque@adacore.com>
842 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
843 ARRAY_REF, so have the callback called for the low bound expression.
845 2006-06-23 Janis Johnson <janis187@us.ibm.com>
847 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
848 * c-typeck.c (c_common_type): Disallow operations on decimal float
849 types and other float types.
850 * convert.c (convert_to_real): Don't ignore conversions involving
853 2006-06-23 Olivier Hainque <hainque@adacore.com>
855 * tree.c (max_int_size_in_bytes): New function, inspired from
856 code in function.c:assign_temp.
857 * tree.h (max_int_size_in_bytes): Declare.
858 * function.c (assign_temp): Use it.
859 * gimplify.c (create_tmp_var): Relax the assertions on the type
860 properties, not mandating constant size any more.
861 (force_constant_size): New static function.
862 (gimple_add_tmp_var): Use it, forcing variable size to a
863 constant upper bound if it is not constant on entry.
865 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
868 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
869 for initialization and setting of one_only flag to ...
870 (i386_pe_encode_section_info): ...here.
871 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
872 Recheck that the symbol has not been defined.
874 2006-06-23 Richard Guenther <rguenther@suse.de>
876 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
877 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
878 alignment requests instead. Add verification code.
879 Add struct tree_function_decl and struct tree_binfo size to
880 extra_order_size_table. Add missing element to size_lookup
883 2006-06-22 Roger Sayle <roger@eyesopen.com>
884 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
887 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
888 call to lang_hooks.types.type_for_mode returned NULL_TREE.
890 2006-06-23 Ben Elliston <bje@au.ibm.com>
892 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
893 negate dn -- manipulate it directly.
895 2006-06-22 Roger Sayle <roger@eyesopen.com>
896 Steven Bosscher <stevenb.gcc@gmail.com>
899 * reload1.c (gen_reload): Call mark_jump_label on the new insns
900 generated by gen_move_insn to add REG_LABEL notes if necessary.
902 2006-06-22 Bob Wilson <bob.wilson@acm.org>
904 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
905 (leaf_entry): Remove use of MIN_ESA.
907 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
909 PR rtl-optimization/28121
910 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
913 2006-06-21 DJ Delorie <dj@redhat.com>
915 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
917 (mulhisi3_r): Likewise.
919 2006-06-21 Richard Sandiford <richard@codesourcery.com>
922 * coverage.c (coverage_counter_alloc): Leave the index type
924 (coverage_counter_alloc): Use null arguments for operands 2 and 3
927 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
929 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
930 section from the "Options for Code Generation Conventions".
932 2006-06-21 Richard Henderson <rth@redhat.com>
936 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
938 (global_symbolic_operand): Allow weak symbols, even if local_p.
940 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
942 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
943 (find_interesting_uses_address): Punt if above function returns true.
945 2006-06-21 Richard Guenther <rguenther@suse.de>
947 * configure: Regenerated.
949 2006-06-21 Joseph Myers <joseph@codesourcery.com>
951 * config/mips/mips.c (function_arg): Where one part of a
952 complex argument is in registers and the other part in the stack,
953 return a REG not a PARALLEL.
955 2006-06-21 Mark Mitchell <mark@codesourcery.com>
957 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
958 when cross-compiling. Do not substitute libstdcxx_incdir.
959 * configure: Regenerated.
961 2006-06-21 Jakub Jelinek <jakub@redhat.com>
963 * varasm.c (mergeable_string_section): Check for embedded NULs and
964 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
965 rather than TREE_STRING_LENGTH bytes.
967 2006-06-21 Richard Guenther <rguenther@suse.de>
969 * ggc-page.c (extra_order_size_table): Add var_ann_d,
970 tree_ssa_name, bitmap_element and phi_node with 4 arguments
973 2006-06-21 Richrad Guenther <rguenther@suse.de>
975 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
976 Limit iteration over the dominators.
978 2006-06-20 Roger Sayle <roger@eyesopen.com>
980 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
981 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
983 2006-06-20 Richard Guenther <rguenther@suse.de>
984 Michael Matz <matz@suse.de>
986 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
988 * alloc-pool.c (free_alloc_pool_if_empty): New function.
989 * et-forest.h (et_free_pools): Prototype new function.
990 * et-forest.c (et_free_tree_force): Free parent occurrence.
991 (et_free_pools): New function.
992 * dominance.c (free_dominance_info): Free et-forest alloc
995 2006-06-20 Roger Sayle <roger@eyesopen.com>
997 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
998 integer modes, attempt to directly construct an integer constant.
1000 * fold-const.c (native_encode_vector): Determine the size of each
1001 element from the vector type instead of the first vector element.
1003 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1004 if all of its elements/components are constant.
1005 (build_constructor_from_list): Likewise.
1007 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1009 PR tree-optimization/27331
1010 * tree-data-ref.c (free_data_ref): New function.
1011 (create_data_ref): Fail if the data reference has unknown access
1013 (free_data_refs): Use free_data_ref.
1015 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1018 * tree-inline.c (setup_one_parameter): Strip useless
1019 type conversion before adding it to the IR.
1020 (declare_return_variable): Likewise.
1022 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1025 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1027 2006-06-19 Mike Stump <mrs@apple.com>
1029 * tree.c (variably_modified_type_p): VM arguments don't make the
1032 2006-06-19 Richard Guenther <rguenther@suse.de>
1034 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1035 type conversions after folding.
1037 2006-06-19 Richard Guenther <rguenther@suse.de>
1039 * ggc-page.c (extra_order_size_tab): Add entries with
1040 size of struct function and basic_block.
1041 (size_lookup): Extend to cover sizes up to 511.
1042 (ggc_alloc_stat): Adjust user.
1043 (ggc_pch_count_object): Likewise.
1044 (ggc_pch_alloc_object): Likewise.
1045 (ggc_pch_write_object): Likewise.
1047 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1049 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1050 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1053 2006-06-19 Denis Chertykov <denisc@overta.ru>
1055 * config/avr/libgcc.S : Correct my wrong previous commit.
1057 2006-06-19 Roger Sayle <roger@eyesopen.com>
1060 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1061 have stripped a SUBREG from the shift count, so we may need to
1062 convert_to_mode back to the type's mode before calling make_tree.
1063 Use new_amount instead of amount to avoid expanding a tree twice.
1065 2006-06-19 Richard Guenther <rguenther@suse.de>
1068 * fold-const.c (operand_equal_p): Check if the argument types
1069 have the same precision before stripping NOPs.
1071 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1073 Fix PR tree-optimization/27341
1074 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1076 * tree-complex.c (pass_lower_complex): Update SMT usage.
1078 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1080 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1081 Add a new alternative to the constraint strings. Add move of
1082 operand 1 to 3 to the splitter definition.
1083 ("doloop_si_long"): Second contraint alternative removed.
1085 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1087 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1088 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1090 (AVR_HAVE_MOVW) Define.
1091 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1092 (ASM_SPEC): Add avr25.
1093 (LINK_SPEC): Add avr25.
1094 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1095 (base_arch_s): Add new member 'have_movw_lpmx'.
1096 (avr_arch_types): Init 'have_movw_lpmx'.
1097 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1098 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1099 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1100 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1101 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1103 (avr_file_start): Do not output '.arh' derective.
1104 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1105 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1106 * config/avr/avr.md (mcu_enhanced): Delete.
1107 (mcu_have_movw): Define.
1108 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1109 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1110 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1111 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1112 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1113 attiny861 and at86rf401 devices.
1115 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1117 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1120 2006-06-17 Karl Berry <karl@gnu.org>
1122 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1123 doc/gccint.texi, doc/install.texi (@dircategory): Use
1124 "Software development" instead of "Programming", following
1125 the Free Software Directory.
1127 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1129 * config/i386/i386.c (legitimate_tls_address)
1130 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1131 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1132 (*tls_dynamic_gnu2_combine_64): Likewise.
1134 2006-06-16 Richard Guenther <rguenther@suse.de>
1137 * fold-const.c (negate_expr_p): Do not introduce undefined
1138 overflow in negating INTEGER_CSTs.
1139 (fold_negate_expr): Rename from negate_expr. Revert last
1140 change for folding BIT_NOT_EXPR. Change semantics to
1141 return NULL_TREE for non-simplified negations. Do not
1142 strip type conversions and unify type handling.
1143 (negate_expr): New function, wrap around fold_negate_expr
1144 but ensure building a tree always. Strip type conversions
1145 here, fold to result type.
1146 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1148 2006-06-16 Roger Sayle <roger@eyesopen.com>
1151 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1152 that (would) return their results in stack registers.
1154 2006-06-16 Michael Matz <matz@suse.de>
1155 Richard Guenther <rguenther@suse.de>
1157 * fold-const.c (fold_truthop): Only return new tree node if
1158 we canonicalized something.
1160 2006-06-16 Richard Guenther <rguenther@suse.de>
1162 * function.h (enum function_frequency): Move declaration
1163 out of struct function.
1164 (struct function): Move bool fields and the enum to the bitfield
1165 section. Reorder elements to avoid padding. Remove unused
1166 fields left over from the RTL inliner removal.
1167 * function.c (free_after_compilation): Do not zero removed fields.
1168 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1169 (ipa-type-escape.o): Likewise.
1171 2006-06-16 Richard Guenther <rguenther@suse.de>
1173 * cgraph.h (struct cgraph_local_info): Turn bool elements
1175 (struct cgraph_node): Likewise.
1176 (struct cgraph_varpool_node): Likewise.
1178 2006-06-15 Richard Guenther <rguenther@suse.de>
1180 * fold-const.c (fold_truth_not_expr): Rename from
1181 invert_truthvalue. Give it fold_* semantics to avoid
1183 (invert_truthvalue): New function. Wrapper around
1184 fold_truth_not_expr.
1185 (optimize_minmax_comparison): Avoid creating garbage.
1186 (fold_unary): Use fold_truth_not_expr for folding
1188 (fold_ternary): Replace uses of invert_truthvalue with
1189 fold_truth_not_expr where applicable.
1190 * tree.h (fold_truth_not_expr): Prototype.
1192 2006-06-16 Richard Guenther <rguenther@suse.de>
1194 PR tree-optimization/27781
1195 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1196 * ipa-pure-const.c (target.h): Include.
1197 (analyze_function): Do not analyze functions that do not
1200 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1203 * tree-dfa.c (referenced_vars_dup_list): Remove.
1204 (find_referenced_vars): Remove assert.
1205 (referenced_var_check_and_insert): Replace dup list with assert.
1206 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1207 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1209 2006-06-15 Richard Guenther <rguenther@suse.de>
1211 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1212 extra unused identifiers if not dumping.
1213 (create_variable_info_for): Likewise.
1215 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1217 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1218 (derive_constant_upper_bound): Derive more precise upper bound in
1219 common cases. Return type changed to double_int.
1220 (record_estimate): Reflect the changed return type of
1221 derive_constant_upper_bound.
1222 * double-int.c (double_int_zext, double_int_sext): Fix.
1224 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1226 * configure.ac (CFLAGS): Get them from the toplevel or from the
1227 configure invocation.
1228 * configure: Regenerate.
1229 * Makefile.in (CFLAGS): Substitute value provided by configure.
1231 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1234 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1235 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1236 rather than calling add_stmt on it.
1237 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1239 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1242 * reload1.c (reload): Remove registers returned by update_eliminables
1243 from used_spill_regs.
1245 2006-06-13 DJ Delorie <dj@redhat.com>
1247 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1249 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1251 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1252 html__strip_dir, html__mkdir_p. Enhance install-html target.
1253 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1254 * configure: Regenerate.
1256 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1258 * fold-const.c (fold_cond_expr_with_comparison): Check for
1259 Objective-C++ as language in deciding COND_EXPR transformation.
1261 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1264 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1265 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1266 * config/sh/lib1funcs.h (SL, SL1): Define.
1267 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1268 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1269 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1270 (OBJS_Os_4_200): New variable.
1271 ($(T)libgcc-Os-4-200.a): Use it.
1272 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1273 when dividing 1 and/or by 0.
1275 2006-06-13 Roger Sayle <roger@eyesopen.com>
1277 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1278 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1279 * configure: Regenerate.
1281 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1283 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1284 for real instruction.
1286 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1289 * haifa-sched.c (check_cfg): Handle special case.
1291 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1294 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1295 Add debug_info parameter. Chain the vars to the BLOCK instead
1296 of the BIND_EXPR if debug info are requested for them.
1297 (pop_gimplify_context): Adjust for above change.
1298 (gimple_add_tmp_var): Likewise.
1299 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1301 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1302 (convert_local_reference): Likewise.
1303 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1304 (finalize_nesting_tree_1): Request that debug info be emitted
1305 for debug_var_chain.
1307 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1309 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1310 for PR target/27863.
1312 2006-06-13 Richard Guenther <rguenther@suse.de>
1315 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1317 2006-06-13 Richard Guenther <rguenther@suse.de>
1319 PR tree-optimization/27830
1320 * tree-inline.c (copy_body_r): For copying the operand
1321 of an ADDR_EXPR make sure to fold &* afterwards.
1323 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1325 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1326 lvalues in the fb_none case with side-effects.
1328 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1330 * tree-flow.h: Remove the prototype for
1331 compute_phi_arg_on_exit.
1332 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1333 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1336 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1338 * builtins.c (expand_builtin_return_addr): Only use
1339 frame_pointer_rtx when count == 0 and we are expanding
1340 __builtin_return_address.
1342 2006-06-12 Fred Fish <fnf@specifix.com>
1344 * config/mips/mips.c (mips_file_start): Create special section
1345 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1347 2006-06-11 Eric Christopher <echristo@apple.com>
1350 * stor-layout.c (place_field): Remove check for
1351 remaining_in_alignment when aligning at the end of a run.
1353 2006-06-11 Eric Christopher <echristo@apple.com>
1356 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1359 2006-06-11 Roger Sayle <roger@eyesopen.com>
1362 Revert incorrect fix for PR target/27158
1363 2006-05-08 Roger Sayle <roger@eyesopen.com>
1364 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1365 of a reg_equiv_constant if the result is a legitimate constant.
1367 2006-06-11 Roger Sayle <roger@eyesopen.com>
1370 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1371 extract a CONST_VECTOR element and interpret it as an integer.
1372 (vspltis_constant): Use const_vector_elt_as_int instead of the
1373 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1374 * config/rs6000/predicates.md (easy_vector_const): Consider
1375 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1377 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1380 * stor-layout.c (update_alignment_for_field): Don't add extra
1381 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1384 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1386 * config/mips/t-rtems: Add EL/EB multilib variants.
1388 2006-06-09 Mike Stump <mrs@apple.com>
1390 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1392 2006-06-09 David Daney <ddaney@avtrex.com>
1394 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1396 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1398 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1400 2006-06-09 Richard Guenther <rguenther@suse.de>
1402 PR tree-optimization/26998
1403 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1404 of signed types, only TYPE_MIN_VALUE is special, but for both,
1405 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1406 in this case, as is -fwrapv.
1408 2006-06-08 Mike Stump <mrs@apple.com>
1411 * config/darwin.c (darwin_asm_output_anchor): Disable
1412 -fsection-anchors on darwin for now.
1413 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1414 * rs6000/rs6000.c (optimization_options): Likewise.
1416 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1419 * config/i386/i386.c (classify_argument): Skip fields with invalid
1422 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1424 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1425 (cse_insn): Likewise for the stack_pointer_rtx.
1427 2006-06-08 Roger Sayle <roger@eyesopen.com>
1429 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1430 conditions from floating point comparisons.
1432 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1435 * expmed.c (struct alg_hash_entry): Fix type of field T
1436 to match synth_mult argument.
1437 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1439 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1442 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1445 2006-06-08 Richard Guenther <rguenther@suse.de>
1448 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1449 only, if overflow is defined and not trapping.
1450 (negate_expr): Likewise.
1452 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1454 PR tree-optimization/27872
1455 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1456 flag on the new exit edge of the unrolled loop.
1458 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1460 PR rtl-optimization/26449
1461 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1463 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1466 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1467 referenced_variables with matching DECL_UID's.
1468 (find_referenced_vars): Make sure duplicate list is empty to start.
1469 (referenced_var_p): Remove.
1470 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1471 Check if var is in the list, and add if needed. Update the duplicate
1472 list if a different var is in the list with the same DECL_UID.
1473 (add_referenced_var): Call routine to check and insert.
1474 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1475 * tree-flow.h (referenced_vars_dup_list): External declaration.
1477 2006-06-07 Fred Fish <fnf@specifix.com>
1479 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1482 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1485 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1486 the imaginary and real parts of a clobbered register.
1487 Emit insn to set the imaginary part.
1489 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1491 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1492 in lieu of unwind-dw2-fde.c.
1494 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1496 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1498 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1501 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1502 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1503 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1504 V4SImode temporaries and operations instead.
1506 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1508 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1511 2006-06-06 Mike Stump <mrs@apple.com>
1513 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1514 installing during build.
1516 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1518 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1520 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1521 * config/ia64/ia64.c (params.h): New header.
1522 (ia64_optimization_options): New function to adjust parameters.
1523 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1524 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1525 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1527 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1529 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1531 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1534 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1536 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1537 Victor Kaplansky <victork@il.ibm.com>
1539 PR tree-optimization/26360
1540 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1543 2006-06-04 Roger Sayle <roger@eyesopen.com>
1544 Andrew Pinski <pinskia@physics.uc.edu>
1547 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1548 for LABEL_DECL before calling DECL_WEAK.
1551 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1552 LABEL_DECL and PARM_DECL.
1554 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1558 * c-decl.c (grokdeclarator): Disallow variably modified types at
1559 file scope. Avoid marking shared array type of constant size as
1562 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1565 * c-common.c (fold_offsetof_1): Handle static members.
1567 2006-06-04 Eric Christopher <echristo@apple.com>
1569 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1570 (debug_rli): Output value for remaining_in_alignment.
1571 (update_alignment_for_field): Unconditionalize
1572 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1573 extra alignment code.
1574 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1575 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1576 * tree.h (record_layout_info_s): Remove prev_packed.
1577 * doc/extend.texi (ms_struct): Add documentation of format.
1579 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1581 * tree.h: Declare folding_initializer.
1582 * builtins.c (fold_builtin_constant_p): Give definite answer
1583 if folding inside an initializer.
1584 * fold-const.c: Define folding_initializer.
1585 (START_FOLD_INIT): Save and then set folding_initializer.
1586 (END_FOLD_INIT): Restore folding_initializer.
1588 2006-06-04 Richard Guenther <rguenther@suse.de>
1590 PR tree-optimization/27039
1591 * fold-const.c (fold_comparison): Handle pointer comparison
1592 again for all comparison codes. Compare offsets in signed
1594 (fold_binary): Move code from here.
1596 2006-06-03 Roger Sayle <roger@eyesopen.com>
1599 * config/i386/i386.c (construct_container): Split static issued_error
1600 flag into issued_sse_arg_error, issued_sse_ret_error and
1601 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1602 requires the use of x87 registers and the user explicitly
1603 specified the -mno-80387 command line option.
1605 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1607 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1608 HAVE_DECL_SIGALTSTACK.
1610 (segv_handler): Use MC_FLD.
1611 * configure.ac: Check for a sigaltstack declaration.
1612 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1613 * configure: Regenerate.
1614 * config.in: Regenerate.
1616 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1619 * Makefile.in (stmp-fixinc): Fix typo.
1621 2006-06-02 Roger Sayle <roger@eyesopen.com>
1623 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1624 are type correct. Clean-up.
1625 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1626 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1628 2006-06-01 DJ Delorie <dj@redhat.com>
1630 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1631 shift, as we've disabled the "switch" insn that needs it.
1633 2006-06-01 Per Bothner <bothner@bothner.com>
1635 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1636 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1637 * c-ppoutput.c (cb_define): Don't increment line 0.
1639 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1641 * doc/invoke.texi: Add cpu_type power6.
1642 * config.gcc: Add cpu_type power6.
1643 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1644 to power5+ with Altivec.
1645 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1646 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1648 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1650 * config/avr/avr.h (SET_ASM_OP): Define.
1652 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1654 * config/bfin/bfin.c: Fix comment typos.
1656 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1659 * doc/install.texi: Document --enable-bootstrap and
1660 --disable-bootstrap.
1662 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1664 * doc/install.texi: Document that InfoZIP can replace jar.
1666 2006-05-31 Roger Sayle <roger@eyesopen.com>
1668 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1669 isn't available, directly generate the simpler x87 patterns without
1670 the (use (const_int 0)).
1671 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1672 implementation isn't available.
1673 (*negdf2_1): Likewise.
1674 (*negxf2_1): XF mode negation is always done using the x87.
1675 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1677 2006-05-31 Roger Sayle <roger@eyesopen.com>
1679 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1680 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1682 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1684 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1686 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1687 * config/bfin/bfin.c (basic-block.h): Include.
1688 (struct machine_function): New.
1689 (bfin_init_machine_status): New.
1690 (override_options): Initialize init_machine_status.
1691 (bfin_hardware_loop): New.
1692 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1693 (DEF_VEC_P (loop_info)): New.
1694 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1695 (struct loop_info): New.
1696 (loop_info): New typedef.
1697 (struct loop_work): New.
1698 (loop_work): New typedef.
1699 (DEF_VEC_O (loop_work)): New.
1700 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1701 (bfin_dump_loops): New.
1702 (bfin_bb_in_loop): New.
1703 (bfin_scan_loop): New.
1704 (bfin_optimize_loop): New.
1705 (bfin_reorg_loops): New.
1706 (bfin_reorg): Use bfin_reorg_loops.
1707 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1709 (I_REGNO_P): Simplify.
1710 (DP_REGNO_P, DPREG_P): New macros.
1711 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1712 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1713 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1714 Add LT_REGS, LC_REGS, LB_REGS.
1715 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1717 (REGNO_REG_CLASS): Deal with loop registers.
1718 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1720 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1721 New constants for loop registers.
1722 (UNSPEC_LSETUP_END): New.
1723 (seq_insns): New define_attr. Set it for appropriate insns.
1724 (movsi_insn): Add alternatives for move from/to
1725 loop count registers.
1726 (doloop_end): New define_expand.
1727 (loop_end): New define_insn.
1728 (define_split for bad doloop_end): New.
1729 (lsetup_with_autoinit): New define_insn.
1730 (lsetup_without_autoinit): New define_insn.
1731 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1732 * config/bfin/predicates.md (lc_register_operand): New.
1733 (lt_register_operand): New.
1734 (lb_register_operand): New.
1735 (nondp_register_operand): New.
1736 (nondp_reg_or_memory_operand): New.
1737 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1739 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1741 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1742 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1744 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1746 * Makefile.in (CATALOGS): Add po/ prefix.
1747 * configure: Regenerated.
1749 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1752 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1753 a shift operand before calling shift_op. Avoid redundant call of
1756 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1757 DJ Delorie <dj@redhat.com>
1759 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1760 we're inserting is a singlt-bit constant.
1762 2006-05-30 Roger Sayle <roger@eyesopen.com>
1764 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1765 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1767 2006-05-30 Roger Sayle <roger@eyesopen.com>
1769 PR tree-optimization/23452
1770 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1771 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1772 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1773 complex values and with -ffast-math for FP complex values.
1775 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1777 * c-common.h: Remove the prototype for yyparse.
1778 * rtl.h: Remove the prototype for init_loop.
1780 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1782 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1785 2006-05-30 Roger Sayle <roger@eyesopen.com>
1787 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1789 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1790 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1792 2006-05-30 Dirk Mueller <dmueller@suse.de>
1795 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1796 for CONSTANT_CLASS_P expresisons.
1798 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1801 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1803 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1805 PR tree-optimization/27779
1806 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1807 initial_condition instead of CHREC_LEFT.
1809 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1811 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1812 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1813 Make prototypes ISO C90.
1815 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1816 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1818 * see.c (see_analyze_one_def): Correct check.
1819 (see_get_extension_data): Check if extension is parallel.
1820 (see_get_extension_reg): Likewise.
1822 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1825 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1826 into register for (code == GTU).
1828 2006-05-29 Roger Sayle <roger@eyesopen.com>
1830 PR tree-optimization/24964
1831 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1832 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1833 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1834 abs(x)*abs(x) as x*x for scalar floating point modes.
1836 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1839 * lambda-code.c (perfect_nestify): Don't copy statements
1840 in the inner loop: move them to the inner loop header.
1842 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1845 * c-tree.texi: Document OpenMP directives and clauses.
1847 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1849 * varasm.c (globalize_decl): Fix indentation.
1851 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1854 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1855 pass_fre, pass_store_ccp, pass_copy_prop,
1856 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1857 pass_return_slot, pass_object_size, pass_lim,
1858 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1859 pass_loop_prefetch and pass_stdarg.
1861 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1863 * config/bfin/bfin.opt (mfdpic): New option.
1864 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1865 (EXTRA_MULTILIB_PARTS): Likewise.
1866 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1867 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1869 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1870 (CRT_CALL_STATIC_FUNCTION): New.
1871 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1873 (CRT_CALL_STATIC_FUNCTION): New.
1874 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1876 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1877 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1878 (initialize_trampoline): Changed to handle FD-PIC code generation.
1879 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1880 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1881 (override_options): Disallow -mid-shared-library -mfdpic combination.
1882 Can't do unaligned ops if FD-PIC.
1883 Turn off flag_pic if trying to generate non-id-shared-library
1884 non-fdpic code, since it's not supported.
1885 (bfin_assemble_integer): New function.
1886 (TARGET_ASM_INTEGER): Define.
1887 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1889 * config/bfin/crtn.s: Restore them.
1890 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1892 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1893 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1894 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1895 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1896 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1898 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1899 FDPIC_REGS and FDPIC_FPTR_REGS.
1900 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1901 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1902 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1903 (load_funcdescsi): New pattern.
1904 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1905 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1906 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1908 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1910 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1913 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1915 * tree-flow.h: Remove the prototype for add_type_alias.
1916 * tree-ssa-alias.c (add_type_alias): Remove.
1918 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1920 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1921 config/fr30/fr30.md, config/i386/i386-interix.h,
1922 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1923 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1924 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1925 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1926 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1927 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1928 Follow spelling conventions.
1929 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1930 Follow spelling conventions.
1932 2006-05-27 Richard Guenther <rguenther@suse.de>
1935 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1936 to produce a constant of value 1 of generic type.
1938 2006-05-27 Dirk Mueller <dmueller@suse.de>
1940 * cgraphunit.c (decide_is_function_needed): Fix wrong
1943 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1945 PR rtl-optimization/27661
1946 * reload.c (find_reloads): When reloading a VOIDmode constant
1947 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1948 use Pmode as mode of the reload register.
1950 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1952 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1953 is enabled at -O and above.
1955 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1958 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1961 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1964 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1965 for anonymous variables explicitly declared by front ends.
1967 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1969 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1970 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1971 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1972 ref-all pointers, run a finalization pass for them.
1973 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1974 (finalize_ref_all_pointers): New function.
1975 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1976 regular pointer type to a ref-all pointer type.
1977 (get_tmt_for): Return the special memory tag for ref-all pointers.
1979 2006-05-25 Richard Guenther <rguenther@suse.de>
1982 * fold-const.c (fold_binary): Do not look at the stripped
1983 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1985 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1987 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1988 for LT and GT if the computed range is effectively empty.
1990 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1993 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1994 mips_quad_format formats instead of ieee_single_format,
1995 ieee_double_format and ieee_quad_format formats, respectively.
1997 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1999 PR tree-optimization/27639
2000 PR tree-optimization/26719
2001 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2002 call to scev_probably_wraps_p.
2003 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2004 used_in_pointer_arithmetic_p, convert_step): Removed.
2005 (nowrap_type_p): New function.
2006 (scev_probably_wraps_p): Rewritten.
2007 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2008 chrec_convert if chrec_convert_aggressive might have been used.
2009 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2010 scev_direction): New functions.
2011 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2012 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2013 instead of convert_step.
2014 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2015 (convert_step): Declaration removed.
2016 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2018 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2020 * df-core.c: Added to header comments.
2021 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2022 df_ur_bb_info, df_urec_bb_info): Added comments.
2023 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2024 urec, ri problems): Fixed header comments.
2025 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2026 code from df_rd_transfer_function.
2028 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2030 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2031 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2032 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2034 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2036 * expr.c (undefined_operand_subword_p): New.
2037 (emit_move_multi_word): Do not generate move from undefined bits
2038 of a paradoxical subreg.
2040 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2042 PR rtl-optimization/27736
2043 * combine.c (replaced_rhs_value): New variable.
2044 (combine_instructions): Set it.
2045 (distribute_notes): When distributing a note in replaced_rhs_insn,
2046 check whether the value was used in replaced_rhs_value.
2048 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2051 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2052 add_referenced_var instead of add_referenced_tmp_var.
2053 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2054 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2056 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2057 tree_optimize_tail_calls_1): Use add_referenced_var.
2058 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2059 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2060 Use add_referenced_var.
2061 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2062 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2063 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2064 Use add_referenced_var.
2065 * tree-dfa.c (struct walk_state): Remove.
2066 (find_referenced_vars): Remove walk state and vars_found hash table.
2067 (make_rename_temp): Use add_referenced_var.
2068 (find_vars_r): Pass less parameters to add_referenced_var.
2069 (referenced_var_p): New. Is var in referenced_var hash table.
2070 (referenced_var_insert): Assert var isn't already in hash table.
2071 (add_referenced_var): Don't need walk_state parameter. Add var if it
2072 isn't already in the hash table.
2073 (add_referenced_tmp_var): Remove.
2074 (find_new_referenced_vars_1): Use add_referenced_var.
2075 * tree-ssa-pre.c (create_expression_by_pieces,
2076 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2077 Use add_referenced_var.
2078 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2079 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2080 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2082 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2083 vect_create_data_ref_ptr, vect_create_destination_var,
2084 vect_init_vector, vect_build_loop_niters,
2085 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2086 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2087 Use add_referenced_var.
2088 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2089 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2090 (add_referenced_var): Add prototype.
2091 * tree-ssa-structalias.c (get_constraint_for,
2092 intra_create_variable_infos): Use add_referenced_var.
2094 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2096 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2097 big-endian paradoxical subregs.
2098 * var-tracking.c (struct micro_operation_def): Document that,
2099 for modify micro operations, insn is the subsequent instruction.
2100 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2101 (var_reg_set, var_mem_set): ... new functions.
2102 (add_stores): Record subsequent insn.
2103 (compute_bb_dataflow): Use new functions for MO_USE.
2104 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2105 notes after the insn, and modify notes before the insn known
2106 to be the subsequent one.
2107 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2109 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2112 * config/i386/i386.c (ix86_expand_builtin): Use
2113 gen_sse3_monitor64 for TARGET_64BIT.
2115 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2117 PR rtl-optimization/26375
2118 PR rtl-optimization/26855
2119 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2121 (df_ru_bb_local_compute): Reversed statements and removed bogus
2122 comment explaining why they should be in wrong order.
2123 (df_ru_dump, df_rd_dump): Enhanced debug info.
2124 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2126 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2127 reaching uses and fixed space problem.
2129 2006-05-23 Jan Hubicka <jh@suse.cz>
2131 * cgraphunit.c (decide_is_function_needed): Also nested functions
2132 and functions declared inline can be optimized out at -O0.
2134 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2136 * doc/install.texi (Configuration): Remove reference to CrossGCC
2140 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2143 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2144 ix86_compare_emitted is non-NULL.
2146 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2149 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2152 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2154 PR rtl-optimization/25514
2155 * combine.c (replaced_rhs_insn): New variable.
2156 (combine_instructions): Set replaced_rhs_insn when trying to replace
2157 a SET_SRC with a REG_EQUAL note.
2158 (distribute_notes): Use replaced_rhs_insn when determining the live
2159 range of a REG_DEAD register.
2161 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2162 Anatoly Sokolov <aesok@post.ru>
2164 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2165 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2166 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2167 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2168 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2169 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2170 at90usb647, at90usb1286 and at90usb1287 devices.
2171 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2172 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2174 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2176 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2178 2006-05-22 Richard Guenther <rguenther@suse.de>
2181 2006-01-31 Richard Guenther <rguenther@suse.de>
2182 Paolo Bonzini <bonzini@gnu.org>
2184 * doc/install.texi (--disable-libgcc-math): Document.
2186 2006-05-22 Richard Guenther <rguenther@suse.de>
2189 2006-01-31 Richard Guenther <rguenther@suse.de>
2191 * doc/invoke.texi (-msselibm): Document.
2192 * target.h (expand_library_builtin): New target hook.
2193 * builtins.c (expand_builtin): Use expand_library_builtin.
2194 (default_expand_library_builtin): New function.
2195 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2196 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2197 (link_gcc_math_spec): Declare.
2198 (static_specs): Add link_gcc_math_spec.
2199 * expr.h (default_expand_library_builtin): Declare.
2200 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2201 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2202 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2203 * config/i386/i386.opt (msselibm): New target option.
2204 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2205 (ix86_init_sse_abi_builtins): New function.
2206 (ix86_expand_library_builtin): Likewise.
2207 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2208 (override_options): Handle error conditions wrt -msselibm.
2209 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2210 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2211 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2214 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2217 * c-common.c (self_promoting_args_p): Skip erroneous args.
2220 * c-decl.c (finish_struct): Skip erroneous fields.
2222 2006-05-22 Nick Clifton <nickc@redhat.com>
2224 * config/cris/cris.opt (march): Remove VarExists attribute.
2225 (max-stackframe=): Likewise.
2227 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2229 * doc/rtl.texi: Fix a typo.
2230 * see.c: Fix comment typos.
2232 * tree-ssa-structalias.h (alias_info): Remove num_references.
2234 2006-05-21 Mike Stump <mrs@apple.com>
2236 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2238 (darwin_pragma_options): Use BAD instead.
2239 (darwin_pragma_unused): Likewise.
2240 (darwin_pragma_ms_struct): Likewise.
2242 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2244 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2246 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2248 PR rtl-optimization/27671
2249 * simplify-rtx.c (simplify_relational_operation_1): Fix
2250 simplifications of (eq/ne (xor x y) y) and
2251 (eq/ne (xor x y) x).
2253 PR tree-optimization/26622.
2254 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2257 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2259 * tree-cfg.c: Prune whitespace.
2260 (debug_tree_cfg): Point to correct header containing the
2263 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2266 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2268 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2271 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2272 or sorry count is non zero.
2274 2006-05-20 Andreas Schwab <schwab@suse.de>
2276 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2278 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2279 Kenneth Zadeck <zadeck@naturalbridge.com>
2281 PR rtl-optimization/26855
2283 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2285 (df_scan_alloc): Added code to properly handle multiword hard
2286 registers and add all_blocks parameter.
2287 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2288 code to properly handle multiword hard registers.
2289 (df_rescan_blocks): Added code to remove deleted blocks from
2291 (df_ref_create_structure, df_ref_record): Added code to properly
2293 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2294 and set DF_REF_PARTIAL.
2295 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2296 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2297 (df_scan_add_problem): Added flags parameter.
2298 (df_ref_create_structure): Changed switching structure.
2299 (df_bb_refs_record): Fixed case where duplicate artificial refs
2300 were created. Changed location of flags.
2301 (df_record_entry_block_defs): Added code to make stack pointer
2302 live in entry block. Refined cases where frame pointer is needed.
2303 Changed location of flags.
2304 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2305 (df_set_state): Removed function.
2306 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2307 df_insn_create_insn_record, df_insn_refs_delete,
2308 df_ref_create_structure): Formatting changes.
2309 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2310 df_delete_basic_block): New function.
2311 (df_init): Changed location of flags.
2312 (df_add_problem): Added flags parameter and the way flags are
2314 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2315 debug_df_chain): Improved debugging output.
2316 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2317 (df_refs_chain_dump): Removed df parameter.
2318 (df_iterative_dataflow): Added consistency check.
2319 (df_prune_to_subcfg): Made public.
2320 (df_analyze_problem): Added blocks_to_init parameter and made
2322 (df_ref_record, df_bb_refs_record, df_mark_reg,
2323 df_record_exit_block_uses): Whitespace changes.
2324 (df_dump): Whitespace changes.
2325 * df.h: Some reordering to remove forward references.
2326 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2327 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2328 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2329 (dataflow.flags): New field.
2330 (df.flag): Deleted field.
2331 (df_alloc_function): Added additional bitmap parameter.
2332 (df_dependent_problem_function): New type.
2333 (df_problem.changeable_flags): New field.
2334 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2335 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2336 (df_mw_hardreg): New struct.
2337 (DF_INSN_UID_MWS): New macro.
2338 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2340 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2341 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2342 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2343 (df_set_state): Removed function.
2344 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2345 * df-problems.c (df_chain_dump): Removed df parameter.
2346 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2347 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2349 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2350 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2351 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2352 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2353 DF_REF_MUST_CLOBBER cases.
2354 (df_ru_bb_local_compute_process_def,
2355 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2356 df_lr_bb_local_compute, df_ur_bb_local_compute,
2357 df_chain_create_bb): Made subreg aware.
2358 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2359 df_lr_bb_local_compute, df_lr_bb_local_compute,
2360 df_chain_create_bb): Cleanup to use proper macros.
2361 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2362 code to fixup bitvectors.
2363 (df_ri_alloc): Cleared lifetime.
2364 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2365 df_create_unused_note): New function.
2366 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2367 REG_DEAD and REG_UNUSED notes as well as register information.
2368 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2369 df_chains_dump): Fixed crash if problem was never run.
2370 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2371 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2372 df_ri_add_problem): Processes flags in uniform manner.
2373 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2374 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2375 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2376 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2377 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2378 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2379 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2380 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2381 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2382 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2383 * see.c (see_initialize_data): Ditto.
2384 * final.c (rest_of_clean_state) Added regstack_completed.
2385 * rtl.h (regstack_completed): Ditto.
2386 * reg-stack.c (regstack_completed): Ditto.
2388 2006-05-19 Mike Stump <mrs@apple.com>
2390 * c-tree.h (default_conversion): Remove.
2391 * c-common.h (default_conversion): Add.
2393 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2395 * tree-vrp.c (valid_value_p): New function.
2396 (adjust_range_with_scev): Fail if the value of bound is not
2399 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2401 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2402 (mips_fallback_frame_state): Use syscall numbers to determine
2403 the appropriate li instruction for the current ABI. Only use
2404 __NR_sigreturn for o32.
2406 2006-05-19 Nicolas Setton <setton@adacore.com>
2408 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2409 * langhooks.c (lhd_dwarf_name): New function.
2410 * langhooks-def.h (lhd_dwarf_name): Declare.
2411 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2412 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2413 * ada/misc.c (gnat_dwarf_name): New function.
2414 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2416 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2418 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2420 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2421 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2422 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2423 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2424 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2425 determine the size of Wtype, etc.
2426 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2427 (swfloatfuncs): New variable.
2428 (dwfloatfuncs): Likewise.
2429 (lib2funcs): Remove floating-point conversion functions from
2430 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2431 the set of conversion routines needed. Allow entries to specify
2432 an object name, filename and word size. Update users accordingly.
2433 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2434 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2438 2006-02-08 Roger Sayle <roger@eyesopen.com>
2441 * config/fixtfdi.c: New libgcc source file.
2442 * config/fixunstfdi.c: New source file.
2443 * config/floatditf.c: New source file.
2444 * config/floatunditf.c: New souce file.
2445 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2446 files above instead of config/mips/_tilib.c.
2447 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2449 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2451 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2452 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2454 2006-05-18 Mike Stump <mrs@apple.com>
2456 Fix up vla, vm and [*] sematics.
2462 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2463 (c_vla_unspec_p): Add.
2464 (c_vla_type_p): Add.
2465 * c-decl.c (struct c_scope): Add had_vla_unspec.
2466 (build_array_declarator): Add support for [*].
2467 (grokdeclarator): Likewise.
2468 (grokparms): Likewise.
2469 (get_parm_info): Likewise.
2470 * c-objc-common.c (c_vla_unspec_p): Likewise.
2471 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2472 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2473 typeof when argument is a variably modified type not inside sizeof or alignof.
2474 (c_parser_direct_declarator_inner): Propagate errors.
2475 (c_parser_sizeof_expression): Add support for [*].
2476 (c_parser_parms_declarator): Initialize had_vla_unspec.
2477 (c_parser_parms_list_declarator): Likewise.
2478 * c-typeck.c (c_vla_type_p): Add.
2479 (composite_type): Add support for vla compositing.
2480 (comptypes_internal): Add support for vla compatibility.
2481 (c_expr_sizeof_expr): Evaluate vla arguments.
2482 * tree.c (variably_modified_type_p): Update comment for [*].
2484 2006-05-18 Michael Matz <matz@suse.de>
2487 * config.host: Make assignments to host_xmake_file cumulative.
2488 * config.host (*-darwin*): Test $host, not $target.
2490 2006-05-12 Stuart Hastings <stuart@apple.com>
2492 * config/i386/i386.opt (-mstackrealign): New flag.
2493 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2494 (ix86_handle_cconv_attribute): Emit error when
2495 force_align_arg_pointer attribute collides with too many regparms.
2496 (ix86_function_regparm): Limit regparms when used with
2497 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2498 Support stack-realigning prologue in non-main functions. Emit
2499 warning for nested functions under -mstackrealign, emit error for
2500 nested functions with force_align_arg_pointer attribute.
2501 * doc/extend.texi (force_align_arg_pointer): Document it.
2502 * doc/invoke.texi (-mstackrealign): Document it.
2504 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2506 PR rtl-optimization/27477
2507 * combine.c (try_combine): Don't split a parallel consisting
2508 of two sets into two individual sets if both sets reference
2511 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2513 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2514 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2516 * doc/options.texi (VarExists): Updated.
2518 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2520 * unwind-dw2.c: Add declarations for uw_update_context and
2522 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2523 detected, advance frame state and context once to skip over stub.
2525 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2529 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2530 Call rewrite_into_loop_closed_ssa only when something changed.
2531 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2532 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2533 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2534 Test for perfect_nest_p here. Fix formating.
2535 (replace_uses_equiv_to_x_with_y): Fix formating.
2536 (stmt_uses_op): Removed.
2537 (can_convert_to_perfect_nest): Removed loopivs parameter.
2538 Complete the test by checking the scalar dependences.
2539 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2542 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2545 From Dan Kegel <dank@kegel.com>:
2546 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2548 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2550 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2551 if the element type is variably modified without recursing.
2553 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2556 * tree-loop-linear.c (try_interchange_loops): Test for
2557 no data dependences.
2559 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2561 PR tree-optimization/27548
2562 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2563 range of ssa names that appear on abnormal edges.
2564 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2565 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2567 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2570 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2572 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2575 * tree.h (OMP_PARALLEL_COMBINED): Define.
2576 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2577 (new_omp_context): Add is_combined_parallel argument.
2578 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2579 new_omp_context caller.
2580 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2581 Adjust gimplify_scan_omp_clauses callers.
2582 (omp_is_private): Issue errors if iteration variable is firstprivate
2583 or reduction in the current context.
2584 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2585 on combined parallel workshare constructs.
2587 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2589 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2590 (gcc-options.o): New rule.
2592 * optc-gen.awk: Protect variables for gcc-options.o with
2593 #ifdef GCC_DRIVER/#endif.
2595 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2597 Fix PR tree-optimization/27373
2598 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2599 (forward_propagate_addr_expr): Update call.
2601 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2603 * doc/options.texi: Move the Negative option.
2605 2006-05-16 Richard Guenther <rguenther@suse.de>
2607 PR tree-optimization/22303
2608 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2610 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2611 ccp_fold did not simplify the statement.
2613 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2616 * Makefile.in (GCC_OBJS): New.
2617 (OBJS-common): Add opts-common.o.
2618 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2619 (cpp$(exeext)): Likewise.
2620 (gcc.o): Also depend on opts.h.
2621 (opts-common.o): New.
2623 * common.opt (gcoff): Add Negative(gdwarf-2).
2624 (gdwarf-2): Add Negative(gstabs).
2625 (gstabs): Add Negative(gstabs+).
2626 (gstabs+): Add Negative(gvms).
2627 (gvms): Add Negative(gxcoff).
2628 (gxcoff): Add Negative(gxcoff+).
2629 (gxcoff+): Add Negative(gcoff).
2630 * config/i386/i386.opt (m32): Add Negative(m64).
2631 (m64): Add Negative(m32).
2633 * doc/options.texi: Document the Negative option.
2635 * gcc.c: Include "opts.h".
2636 (main): Call prune_options after expandargv.
2638 * optc-gen.awk: Generate common declarations for all flag
2639 variables in options.c. Output the neg_index field.
2641 * opts.c (find_opt): Moved to ...
2642 * opts-common.c: Here. New file.
2644 * opts.h (cl_option): Add a neg_index field.
2646 (prune_options): Likewise.
2648 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2651 * omp-low.c (expand_omp_parallel): Don't assert
2652 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2653 instead search for it.
2656 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2659 2006-05-16 Andreas Schwab <schwab@suse.de>
2661 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2664 2006-05-15 Roger Sayle <roger@eyesopen.com>
2667 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2668 integer constants other than zero are only legitimate on TARGET_64BIT.
2669 <CONST_VECTOR> Only zero vectors are legitimate.
2670 (ix86_cannot_force_const_mem): Integral and vector constants can
2671 always be put in the constant pool.
2673 2006-05-16 DJ Delorie <dj@redhat.com>
2675 * crtstuff.c (__dso_handle): Set section from
2676 TARGET_LBIGCC_SDATA_SECTION if defined.
2677 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2678 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2680 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2683 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2686 2006-05-16 Ben Elliston <bje@au.ibm.com>
2688 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2690 2006-05-15 Per Bothner <per@bothner.com>
2692 * tree.c: (last_annotated_node): Use source_locus typedef.
2693 This permits bootstrapping with --enable-mapped-location.
2695 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2697 PR tree-optimization/26830
2698 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2699 (info_for_ssa_name, current_info_for_ssa_name_age,
2700 blocks_to_update): New variables.
2701 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2702 (clear_ssa_name_info, initialize_flags_in_bb,
2703 mark_block_for_update): New functions.
2704 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2705 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2706 prepare_def_site_for): Use mark_block_for_update.
2707 (mark_def_interesting): Assert that the processed block is marked in
2708 blocks_to_update. Do not take blocks argument.
2709 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2711 (rewrite_update_init_block, rewrite_update_stmt): Only process
2712 blocks with statements to rewrite.
2713 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2714 (update_ssa): Initialize and free blocks_to_update. Do not
2715 clear flags on statements. Do not use blocks bitmap.
2716 * tree.h (SSA_NAME_AUX): Removed.
2717 (struct tree_ssa_name): Removed aux field.
2718 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2720 2006-05-15 Richard Guenther <rguenther@suse.de>
2722 PR tree-optimization/27603
2723 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2724 Do computations in original type.
2726 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2728 * see.c: Code style changes such as redundant paranthesis,
2729 redundant intialization of local variables etc.
2730 (see_main): Declared now as static.
2731 * doc/invoke.texi: Update that -fsee is not enabled by
2734 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2736 * omp-low.c (check_omp_nesting_restrictions): New function.
2737 (scan_omp_1): Call it.
2740 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2741 construct, return *VAR.
2743 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2745 PR rtl-optimization/27406
2746 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2749 2006-05-14 Roger Sayle <roger@eyesopen.com>
2751 PR rtl-optimization/27538
2752 * combine.c (expand_compound_operation): Call gen_lowpart
2753 before calling simplify_shift_const.
2755 2006-05-14 Roger Sayle <roger@eyesopen.com>
2757 PR rtl-optimization/22563
2758 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2759 a fixed width bitfield, always force the intermediates into psuedos.
2761 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2764 * mkconfig.sh: Use operator = instead of == for test.
2766 2006-05-13 Nick Clifton <nickc@redhat.com>
2768 * dwarf2out.c (dbx_reg_number): Check return value from
2769 LEAF_REG_REMAP and only use it if it is valid.
2770 (multiple_reg_loc_descriptor): Likewise.
2772 2006-05-13 Richard Guenther <rguenther@suse.de>
2774 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2777 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2779 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2780 information attached to non-INSNs such as NOTEs.
2781 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2783 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2785 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2787 * config/s390/s390.md: Adjust comment describing On constraint.
2789 2006-05-11 Jan Hubicka <jh@suse.cz>
2791 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2792 to be output at -O0.
2794 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2797 * fold-const.c (size_binop): Move sanity check for arguments to
2798 the beginning of the function.
2801 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2804 2006-05-11 Richard Guenther <rguenther@suse.de>
2807 * fold-const.c (fold_unary): Handle intermediate conversion
2808 to a pointer type like intermediate conversion to an integer
2809 type in folding of (T1)(T2)var to var.
2810 Match the code to the comment in the final conversion for
2811 (T1)(T2)var to (T1)var regarding to type precision. Rather
2812 than disallow T1 being of pointer type, assert that both T1
2813 and var are of pointer type or not. Make sure not to fall
2814 over the frontends lazyness wrt array to pointer decay though.
2816 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2818 * arm.c (arm_struct_value_rtx): Delete.
2819 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2820 (arm_init_cumulative_args): Always initialize nregs to zero.
2822 2006-05-10 Richard Guenther <rguenther@suse.de>
2824 PR tree-optimization/27532
2825 * tree-object-size.c (plus_expr_object_size): Fix typo.
2827 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2830 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2831 ashrdi_const, ashrdi3): Use a scratch register.
2833 2006-05-10 Richard Guenther <rguenther@suse.de>
2835 PR tree-optimization/27302
2836 * fold-const.c (operand_equal_p): For two comparisons,
2837 try comparison of one comparison code swapped if that yields
2840 2006-05-10 Ben Elliston <bje@au.ibm.com>
2842 * tree-pretty-print.c (pretty_print_string): No need to handle
2843 '\0' as a special character.
2845 * tree.h: Include "hashtab.h".
2846 (iterative_hash_expr): Use hashval_t in its prototype.
2847 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2849 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2852 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2853 (hppa*64*-*-hpux11*): Ditto.
2854 (hppa[12]*-*-hpux11*): Ditto.
2856 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2859 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2861 2006-05-09 Michael Matz <matz@suse.de>
2863 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2864 host_extra_gcc_objs and host_xmake_file.
2865 (<*-*-linux*>): Don't overwrite host_xmake_file.
2866 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2867 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2868 (host_detect_local_cpu): Declare.
2869 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2870 * config/i386/i386.c (override_options): Handle -mtune=native
2872 * config/i386/x-i386: New file.
2873 * config/i386/driver-i386.c: New file.
2874 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2877 2006-05-09 Dirk Mueller <dmueller@suse.de>
2878 Richard Guenther <rguenther@suse.de>
2881 * fold-const.c (fold_read_from_constant_string): Relax check
2882 for matching types to matching modes.
2884 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2886 PR rtl-optimization/27335
2887 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2890 2006-05-08 Chao-ying Fu <fu@mips.com>
2891 Richard Sandiford <richard@codesourcery.com>
2893 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2894 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2895 * config/mips/mips.md (UNSPEC_SCC): New constant.
2896 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2897 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2898 (mips_emit_compare): Use it.
2899 (mips_expand_vcondv2sf): New function.
2901 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2903 Fix PR tree-optimization/27093
2904 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2905 renaming when they become not-used_alone.
2907 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2909 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2910 relocation and relocation stubs.
2912 2006-05-08 Eric Christopher <echristo@apple.com>
2914 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2917 2006-05-08 Jan Hubicka <jh@suse.cz>
2920 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2921 unused static functions are needed.
2923 2006-05-08 Roger Sayle <roger@eyesopen.com>
2926 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2927 of a reg_equiv_constant if the result is a legitimate constant.
2929 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2932 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2933 standard 80387 constants, raise the cost to prevent
2934 compress_float_constant() to generate load from memory.
2936 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2938 * config/arm/constraints.md (c): Fix a typo.
2940 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2943 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2946 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2948 (_mm_mwait): Likewise.
2950 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2952 (sse3_monitor): Make it 32bit only.
2953 (sse3_monitor64): New. 64bit monitor.
2955 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2958 * config/i386/i386.c (classify_argument): Skip fields with invalid
2961 2006-05-07 Richard Guenther <rguenther@suse.de>
2963 PR tree-optimization/27409
2964 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2965 Do not try to find zero-sized subvars.
2967 2006-05-07 Richard Guenther <rguenther@suse.de>
2969 PR tree-optimization/27136
2970 * tree-ssa-loop-niter.c (get_val_for): Correct function
2971 comment, assert requirements.
2972 (loop_niter_by_eval): Stop processing if the iterated
2973 value did not simplify.
2975 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2977 * opts.c (flag_see): remove its setting at -O3.
2979 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2981 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2982 * arm/constraints.md: New file.
2983 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2984 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2985 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2986 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2987 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2988 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2989 * arm.md: Include constraints.md.
2990 (thumb_movsi_insn): Use satisfies_constraint_J.
2991 (movhi, movqi): Use satisfies_constraint_I.
2993 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2995 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2996 for atmeg a645 device.
2998 2006-05-06 Richard Guenther <rguenther@suse.de>
3000 PR tree-optimization/27151
3001 * tree-vect-transform.c (vectorizable_condition): Punt on
3002 values that have a different type than the condition.
3004 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3007 * c-parser.c (c_parser_cast_expression): Only insert casts into
3008 hash table if pointer.
3009 * function.c (used_types_insert_helper): Rename from
3011 (used_types_insert): Call used_types_insert_helper.
3012 * function.h (used_types_insert): Accept only one argument.
3014 2006-05-05 David Edelsohn <edesohn@gnu.org>
3016 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3017 scratch with output modifier.
3019 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3022 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3023 with output modifier.
3025 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3028 * config/mips/mips.c (mips_symbolic_address_p): Return true
3029 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3030 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3032 2006-05-04 Richard Guenther <rguenther@suse.de>
3034 PR tree-optimization/14287
3035 PR tree-optimization/14844
3036 PR tree-optimization/19792
3037 PR tree-optimization/21608
3038 PR tree-optimization/27090
3039 * tree-ssa-pre.c (try_combine_conversion): New function.
3040 (compute_avail): After constructing the value-handle
3041 expression, use try_combine_conversion to combine NOP_EXPRs
3042 with previous value-handle expressions and use the result if it
3045 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3047 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3049 2006-05-04 Jan Hubicka <jh@suse.cz>
3052 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3054 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3056 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3057 that this only matches CONST_INTs. All users changed to VOIDmode
3060 * config/bfin/bfin.c: Include "optabs.h".
3061 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3063 (enum bfin_builtins): Add a number of fractional and vector builtins.
3064 (bfin_init_builtins): Likewise.
3065 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3066 (safe_vector_operand, bfin_expand_binop_builtin,
3067 bfin_expand_unop_builtin): New functions.
3068 (bfin_expand_builtin): Handle the new builtins.
3069 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3072 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3075 * Makefile.in (OBJS-common): Add see.o.
3076 (see.o): Add dependencies.
3077 * common.opt (fsee): New flag for the see optimization was added.
3078 * opts.c (flag_see): Initialized.
3079 * passes.c (init_optimization_passes, pass_see): New pass.
3080 * rtl.h (see_main): Declaration as extern.
3081 * timevar.def (TV_SEE): New.
3082 * tree-pass.h (pass_see): Declaration as extern.
3083 * invoke.texi (-fsee): Document.
3084 * recog.c (validate_simplify_insn): New function.
3085 * recog.h (validate_simplify_insn): Declaration as extern.
3086 * df-problems.c (df_chain_dump): Check for NULL.
3088 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3089 Daniel Berlin <dberlin@dberlin.org>
3091 * cfgrtl.c (insert_insn_bb_end_new): New function.
3092 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3094 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3096 * df.h (struct web_entry): Moved from web.c.
3097 (union_defs): Declaration as extern.
3098 (unionfind_root): Likewise.
3099 (unionfind_union): Likewise.
3100 * web.c (struct web_entry): Moved to df.h.
3101 (unionfind_root): Remove static declaration.
3102 (unionfind_union): Likewise.
3103 (union_defs): Likewise and generalize to use callback function.
3104 (web_main): Update arguments for union_defs function call.
3106 2006-05-04 Richard Guenther <rguenther@suse.de>
3108 PR tree-optimization/26447
3109 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3110 produce SSA_NAME copies before the store stmt to avoid
3111 breaking exception handling.
3113 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3116 * gimplify.c (omp_is_private): If var is shared in some outer context,
3117 return false instead of true. Stop searching on parallel context
3120 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3123 * coverage.c: Use get_gcov_unsigned_t() instead of
3124 unsigned_type_node all over.
3126 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3128 PR tree-optimization/27381
3129 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3130 maintain the same immediate_use links.
3131 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3132 node rather than segfaulting.
3134 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3137 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3138 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3139 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3141 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3143 Fix PR tree-optimization/26626
3144 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3146 * tree-ssa-operands.c (access_can_touch_variable): Allow
3147 typecasting through union pointers.
3149 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3152 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3153 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3154 to find if var will be a global variable even in the nested context.
3155 (omp_copy_decl): Only check for global variable at the end, it might
3156 be overridden in outer contexts.
3157 (scan_sharing_clauses): For global variables don't create a field.
3158 (lower_rec_input_clauses): Do nothing for global shared variables.
3159 Emit a barrier at the end of ILIST if there were any decls in both
3160 firstprivate and lastprivate clauses.
3161 (lower_send_clauses): Do nothing for global variables except for
3164 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3166 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3167 of the correct signedness is returned.
3169 2006-05-02 Jeff Law <law@redhat.com>
3171 PR tree-optimization/27364
3172 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3173 multiply expressions.
3175 2006-05-02 Tom Tromey <tromey@redhat.com>
3177 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3179 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3182 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3183 -mthumb -fPIC are used.
3185 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3186 Joshua Kinard <kumba@gentoo.org>
3189 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3190 with 64-bit pointers.
3192 2006-05-02 Paul Brook <paul@codesourcery.com>
3194 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3196 (create_fix_barrier): Check that a suitable barrier location is
3198 (arm_reorg): Include ftmp->address in allowable range of addresses.
3200 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3203 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3206 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3209 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3210 around RESULT_DECL for result passed by reference.
3211 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3212 * omp-low.c (use_pointer_for_field): Don't look at
3213 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3214 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3215 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3216 time or var for passing by reference for
3217 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3218 TREE_ADDRESSABLE variables when passing by reference.
3220 * omp-low.c (dump_omp_region): Fix output formatting.
3223 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3224 (expand_omp_parallel): Likewise.
3225 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3228 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3229 on statement list containing also constructors and destructors.
3230 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3233 * except.c (duplicate_eh_regions): Fix clearing of
3234 cfun->eh->region_array entries.
3236 2006-05-01 DJ Delorie <dj@redhat.com>
3238 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3240 (gcc_cv_objdump): Likewise.
3241 * configure: Regenerated.
3243 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3246 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3247 templates for case 3 and 4.
3249 2006-05-01 DJ Delorie <dj@redhat.com>
3251 * vec.c: Include bconfig.h when appropriate.
3252 * Makefile.in (build/vec.o): Adjust dependencies.
3253 * mkconfig.sh: Make sure config.h isn't used for build machine
3256 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3258 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3260 (mark_phi_for_rewrite): New function.
3261 (insert_phi_nodes_for, mark_use_interesting): Call
3262 mark_phi_for_rewrite.
3263 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3264 (update_ssa): Initialize and free phis_to_rewrite.
3266 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3268 PR rtl-optimization/27291
3269 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3270 folded to a constant.
3272 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3274 PR tree-optimization/27283
3275 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3276 not whole # of iteration descriptions.
3277 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3278 uses abnormal ssa name.
3279 (niter_for_single_dom_exit): Ditto.
3280 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3281 return just the number of iterations.
3283 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3285 PR tree-optimization/27144
3286 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3287 (record_estimate): Only record constant upper bound.
3288 (infer_loop_bounds_from_undefined): Call
3289 compute_estimated_nb_iterations just once.
3290 (proved_non_wrapping_p): Renamed to ...
3291 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3292 (convert_step_widening, scev_probably_wraps_p): Call
3293 n_of_executions_at_most instead of proved_non_wrapping_p.
3294 (substitute_in_loop_info): Do not replace values in bounds.
3295 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3298 2006-05-01 Richard Henderson <rth@redhat.com>
3301 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3302 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3305 2006-05-01 Roger Sayle <roger@eyesopen.com>
3307 * c-typeck.c (parser_build_binary_op): Don't call the function
3308 unsigned_conversion_warning to spot operand/result type overflow.
3309 (build_binary_op): Instead, call convert_and_check instead of
3310 convert to report the problem when the operands are promoted.
3311 * c-common.c (unsigned_conversion_warning): Make static.
3312 * c-common.h (unsigned_conversion_warning): Delete prototype.
3314 2006-05-01 Richard Guenther <rguenther@suse.de>
3316 PR tree-optimization/26726
3317 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3319 (find_interesting_uses_address): ... we work around here
3320 by folding INDIRECT_REFs in the substituted base.
3322 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3324 * omp-low.c (dump_omp_region): Add newlines.
3326 2006-04-30 Roger Sayle <roger@eyesopen.com>
3328 * common.opt (Woverflow): New command line option.
3329 * c-common.c (constant_expression_warning): Check warn_overflow.
3330 (overflow_waring): Pass OPT_Woverflow to warning.
3331 (unsigned_conversion_warning): Likewise.
3332 (convert_and_check): Likewise.
3333 * doc/invoke.texi: Document new command line option.
3335 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3337 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3338 TARGET_NO_FP_IN_TOC for section anchors.
3339 (optimization_options): Enable section anchors for all
3340 non-"Objective" languages.
3342 2006-04-28 Eric Christopher <echristo@apple.com>
3344 * config/darwin-c.c (darwin_ms_struct): Move this
3345 (darwin_set_default_type_attributes): and this...
3346 * config/darwin.c: ... here.
3347 * config/darwin.h (darwin_ms_struct): Declare.
3349 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3351 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3353 2006-04-28 Roger Sayle <roger@eyesopen.com>
3356 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3357 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3358 an unsigned HOST_WIDE_INT.
3359 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3361 (really_start_incremental_init): No need to call convert because
3362 bitsize_zero_node is already of type bitsizetype.
3363 (push_init_level): Extract the value of constructor_index as an
3364 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3365 (process_init_element): Likewise.
3367 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3369 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3370 value before passing to make_relative_prefix.
3372 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3375 * builtins.c (expand_builtin_memset): Expand val in original mode.
3377 2006-04-27 Eric Christopher <echristo@apple.com>
3379 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3380 with #ifndef/#endif.
3381 * config/darwin-c.c (darwin_ms_struct): New.
3382 (darwin_pragma_ms_struct): Ditto.
3383 (darwin_set_default_type_attributes): Ditto.
3384 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3385 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3386 Register ms_struct pragma.
3387 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3388 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3389 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3390 darwin_set_default_type_attributes if TARGET_MACHO.
3392 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3394 PR tree-optimization/26854
3395 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3396 * doc/tree-ssa.texi: Update immuse iterator documentation.
3397 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3399 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3400 first_safe_imm_use, next_safe_imm_use): Remove.
3401 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3402 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3403 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3404 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3405 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3406 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3407 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3408 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3409 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3410 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3411 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3412 (perfect_nestify): Use new iterator.
3413 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3415 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3416 (next_imm_name): New field in struct immediate_use_iterator_d.
3417 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3418 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3419 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3420 * tree-cfg.c (replace_uses_by): Use new iterator.
3421 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3422 * tree-ssa-operands.c (correct_use_link): Remove.
3423 (finalize_ssa_use_ops): No longer call correct_use_link.
3425 2006-04-27 Stuart Hastings <stuart@apple.com>
3427 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3428 * config/t-darwin (crt3.o): Use it.
3429 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3430 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3431 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3432 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3433 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3436 2006-04-27 Roger Sayle <roger@eyesopen.com>
3438 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3439 size, force the intermediate into a new pseudo rather instead of
3440 performing both a bitwise AND and a bitwise IOR in memory.
3442 2006-04-27 Richard Guenther <rguenther@suse.de>
3444 PR rtl-optimization/26685
3445 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3446 this one "max-flow-memory-locations".
3448 2006-04-27 Richard Guenther <rguenther@suse.de>
3450 PR tree-optimization/25148
3451 * tree-vrp.c (compare_values): Remove code dealing with
3452 comparisons against type min/max value. Honour overflow
3453 and negative constants in code dealing with comparisons
3454 of plus and minus expressions.
3455 (value_inside_range): Use fold_binary with LE_EXPR and
3456 GE_EXPR rather than compare_values.
3458 2006-04-27 Dirk Mueller <dmueller@suse.de>
3460 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3463 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3465 * basic-block.h (safe_insert_insn_on_edge): Removed.
3466 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3468 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3469 Paolo Bonzini <bonzini@gnu.org>
3472 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3473 (simplify_and_const_int): Same.
3475 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3477 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3479 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3482 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3483 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3484 cgraph_global_info_ready.
3487 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3490 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3491 either decl or init is error_mark_node.
3494 * tree-flow.h (struct omp_region): Add sched_kind.
3495 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3496 instead of extracting omp for data.
3497 (expand_omp_for): Save extracted sched_kind.
3499 2006-04-25 Roger Sayle <roger@eyesopen.com>
3501 * expmed.c (store_bit_field): Also check whether the bitsize is
3502 valid for the machine's "insv" instruction before moving the
3503 target into a pseudo for use with the insv.
3504 * config/i386/predicates.md (const8_operand): New predicate.
3505 * config/i386/i386.md (extv, extzv, insv): Use the new
3506 const8_operand predicate where appropriate.
3508 2006-04-25 DJ Delorie <dj@redhat.com>
3510 * doc/install.texi (Specific): Clarify that this is not a list of
3511 supported hosts or targets.
3513 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3515 PR rtl-optimization/26725
3516 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3517 block's BB_DIRTY flag.
3519 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3521 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3524 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3525 to print an integer.
3527 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3529 * varasm.c (align_variable): New function.
3530 (get_block_for_decl): Apply align_variable to DECL before
3531 calculating section information.
3532 (assemble_variable): Split out alignment computation.
3534 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3536 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3539 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3541 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3542 MODE_PARTIAL_INT mode.
3543 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3544 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3546 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3547 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3549 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3551 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3553 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3554 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3555 MACFLAG_IH): Likewise.
3556 (movstricthi_1): Renamed from "*movstricthi".
3557 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3558 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3559 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3560 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3561 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3562 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3563 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3564 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3565 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3566 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3567 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3568 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3569 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3570 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3571 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3573 * doc/rtl.texi (ss_ashift): Improve wording.
3575 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3577 * dwarf2out.c (verify_marks_clear): New.
3578 (prune_unused_types): Call verify_marks_clear initially, not
3581 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3583 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3584 * doc/rtl.texi: Document them.
3585 * simplify-rtx.c (simplify_unary_operation,
3586 simplify_binary_operation_1): Don't abort when we see them.
3588 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3591 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3592 * configure.ac: Completely disregard languages that are not
3594 * configure: Regenerated.
3596 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3597 Richard Guenther <rguenther@suse.de>
3599 PR tree-optimization/27236
3600 * tree-inline.c (copy_body_r): Make sure to copy
3601 TREE_THIS_VOLATILE flag.
3603 2006-04-24 Richard Guenther <rguenther@suse.de>
3606 * tree-complex.c (update_parameter_components): Don't handle
3607 unused parameters which have no default def.
3609 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3610 Richard Guenther <rguenther@suse.de>
3612 PR tree-optimization/27218
3613 * tree-inline.c (expand_call_inline): Strip useless type
3614 conversions for the return slot address.
3616 2006-04-24 Richard Guenther <rguenther@suse.de>
3618 * cfgloop.h (struct loops): Remove unused field array. Reorder
3620 (LOOP_PREFETCH): Remove.
3622 2006-04-24 Richard Guenther <rguenther@suse.de>
3624 PR tree-optimization/22525
3625 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3626 variable, adjust types of generated expressions.
3628 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3630 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3631 (tree-vect-patterns.o): Likewise.
3633 (cselib.o): Likewise.
3634 (loop-doloop.o): Likewise.
3635 (regclass.o): Likewise.
3636 (reload1.o): Likewise.
3637 (explow.o): Replace target.h with $(TARGET_H).
3638 (ipa-prop.o): Likewise.
3639 (ipa-cp.o): Likewise.
3640 (ipa-inline.o): Likewise.
3641 (reorg.o): Likewise.
3642 (reg-stack.o): Likewise.
3644 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3646 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3648 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3650 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3652 * configure.ac: Completely disregard languages that are not
3654 * configure: Regenerated.
3657 * c-common.h (c_build_bitfield_integer_type): Declare.
3658 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3659 * c-common.c (c_build_bitfield_integer_type): ... here.
3661 2006-04-23 Roger Sayle <roger@eyesopen.com>
3664 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3665 a SImode SUBREG of a floating point register after no_new_pseudos.
3667 2006-04-23 Roger Sayle <roger@eyesopen.com>
3669 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3670 identify potentially eliminable registers to additionally catch
3671 VIRTUAL_INCOMING_ARGS_REGNUM.
3672 (addsi3): Update the conditions on when to use addsi_small_int.
3674 2006-04-23 Roger Sayle <roger@eyesopen.com>
3677 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3678 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3679 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3681 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3683 * fold-const.c (range_predecessor): Use operand_equal_p
3684 as the predicate for equality.
3685 (range_successor): Likewise.
3687 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3690 * config/soft-fp/op-common.h: Fix a typo.
3692 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3695 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3696 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3698 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3700 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3702 * doc/tm.texi: Fix a typo.
3704 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3706 * dwarf2out.c (struct die_struct): Document that die_sib makes
3707 a circular linked list.
3708 (FOR_EACH_CHILD): New.
3709 (reverse_die_lists): Delete.
3710 (reverse_all_dies): Delete.
3711 (add_dwarf_attr): Correct documentation.
3712 (remove_child_with_prev): New.
3713 (remove_child_TAG): Update for change to die_struct, use
3714 remove_child_with_prev.
3715 (add_child_die): Update for change to die_struct.
3716 (splice_child_die): Use remove_child_with_prev and add_child_die.
3717 (print_die): Use FOR_EACH_CHILD.
3718 (die_checksum): Likewise.
3719 (assign_symbol_names): Likewise.
3720 (output_location_lists): Likewise.
3721 (build_abbrev_table): Likewise.
3722 (calc_die_sizes): Likewise.
3723 (mark_dies): Likewise.
3724 (unmark_dies): Likewise.
3725 (unmark_all_dies): Likewise.
3726 (output_die): Likewise.
3727 (prune_unused_types_mark): Likewise.
3728 (prune_unused_types_walk): Likewise.
3729 (same_die_p): Update for change to die_struct.
3730 (break_out_includes): Likewise.
3731 (prune_unused_types_prune): Likewise.
3732 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3733 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3735 (dwarf2out_finish): Don't call reverse_all_dies.
3737 2006-04-21 Eric Christopher <echristo@apple.com>
3739 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3740 in comments and function names.
3742 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3745 * c-typeck.c (digest_init): Robustify.
3747 * c-typeck.c (pop_init_level): Simplify.
3749 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3751 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3753 2006-04-21 Paul Brook <paul@codesourcery.com>
3755 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3756 hardware floating point.
3758 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3760 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3763 2006-04-21 Nick Clifton <nickc@redhat.com>
3765 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3768 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3771 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3772 C++ lang type in traceback table for Objective-C++.
3774 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3776 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3778 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3780 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3783 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3784 were errors. Remove check for erroneous objects.
3786 2006-04-20 Jeff Law <law@redhat.com>
3788 PR tree-optimization/26854
3789 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3790 checking for zero or one use.
3791 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3792 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3793 * tree-ssa-reassoc.c (negate_value): Similarly.
3794 (reassociate_bb): Similarly.
3796 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3798 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3799 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3800 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3802 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3804 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3805 fp regs if the last fp arg doesn't fit in regs.
3807 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3810 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3811 that the last insn has the REG_INC note.
3813 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3814 Nathan Sidwell <nathan@codesourcery.com>
3817 * stor-layout.c (update_alignment_for_field): Do not align
3819 (place_union_field): Place union field at the start of the union.
3820 (place_field): Move ERROR_MARK check later, and use the current
3821 allocation position to maintain monotonicity.
3823 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3825 * dominance.c: Include timevar.h.
3826 (calculate_dominance_info): Use TV_DOMINANCE.
3827 * timevar.def (TV_DOMINANCE): New timevar.
3828 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3830 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3832 PR rtl-optimization/14261
3833 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3834 move would be an INSV insn.
3835 (noce_process_if_block): Don't optimize if the destination is a
3836 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3838 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3840 * config/s390/s390.md: Add comments with the instructions emitted
3841 by an insn pattern if macros are used.
3843 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3845 PR rtl-optimization/26026
3846 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3847 is a known power of two shifted left a variable amount.
3849 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3851 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3852 to hash table twice when the debug_str section has SECTION_MERGE.
3854 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3856 * config/soft-fp: New directory. From glibc.
3857 * config/soft-fp/t-softfp: New.
3858 * config/soft-fp/README: New.
3859 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3860 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3861 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3862 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3863 * config.gcc: Use rs6000/t-fprules-fpbit or
3864 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3866 * config/rs6000/sfp-machine.h: New. Based on glibc.
3867 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3869 * config/rs6000/t-fprules: Remove fp-bit rules.
3870 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3871 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3872 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3873 (softfp_wrap_start, softfp_wrap_end): New.
3875 2006-04-18 DJ Delorie <dj@redhat.com>
3877 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3879 2006-04-18 Devang Patel <dpatel@apple.com>
3881 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3883 2006-04-18 Nick Clifton <nickc@redhat.com>
3885 * config/sh/t-symbian: Add rule to build sh-c.o
3886 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3887 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3888 (sh_symbian_encode_section_info): Likewise.
3890 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3892 * builtins.c (expand_builtin_strcmp): Cover label definition of
3893 do_libcall with HAVE_cmpstrnsi.
3895 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3897 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3899 * function.h (temp_slot_p): New.
3900 (function): Change the type of x_used_temp_slots to
3901 VEC(temp_slot_p,gc) *.
3903 2006-04-18 Nick Clifton <nickc@redhat.com>
3905 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3906 flag_strength_reduce.
3908 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3910 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3914 Partial revert of revision 112637
3915 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3916 Dale Johannesen <dalej@apple.com>
3919 * regclass.c (struct reg_pref): Update documentation.
3920 (regclass): Set prefclass to NO_REGS if memory is the best option.
3921 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3923 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3925 PR tree-optimization/26821
3926 * tree-ssa-math-opts.c (get_constant_one): New.
3927 (insert_reciprocals): Use it.
3929 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3931 * dwarf2out.c (free_AT): Delete.
3932 (remove_AT): Update string ref counts.
3933 (remove_child_TAG): Don't call free_die.
3935 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3936 or DW_TAG_GNU_EINCL.
3937 (prune_unused_types_walk_attribs): Reset string refcounts.
3938 (prune_unused_types_update_strings): New.
3939 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3940 call free_die. Do call prune_unused_types_update_strings.
3941 (prune_unused_types): Empty debug_str_hash.
3943 2006-04-17 Roger Sayle <roger@eyesopen.com>
3945 * expr.c (expand_assignment): Optimize away no-op moves where the
3946 source and destination are equal and have no side-effects.
3948 2006-04-17 Richard Guenther <rguenther@suse.de>
3951 * reload.c (push_reload): Guard calls to get_secondary_mem
3954 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3956 * alias.c (reg_base_value, old_reg_base_value): Change the
3957 type to VEC(rtx,gc) *.
3958 (REG_BASE_VALUE, find_base_value, record_set,
3959 init_alias_analysis): Use VEC instead of VARRAY.
3961 * alias.c (alias_sets): Change the type to
3962 VEC(alias_set_entry,gc) *.
3963 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3964 VEC instead of VARRAY.
3965 (last_alias_set): Remove.
3967 * cgraph.h (cgraph_edge_p): New.
3968 Update the prototype of cgraph_function_versioning.
3969 * cgraphunit.c (cgraph_copy_node_for_versioning,
3970 cgraph_function_versioning): Use VEC instead of VARRAY.
3971 * ipa-cp.c (ipcp_insert_stage): Likewise.
3973 2006-04-16 Roger Sayle <roger@eyesopen.com>
3976 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3977 "A op B" or "A op C", we may need to convert A to the type of B and C.
3979 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3981 * target.h (struct gcc_target): Add mode_rep_extended.
3982 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3983 (init_num_sign_bit_copies_in_rep): Initialize it using
3985 (truncate_to_mode): Use it.
3986 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3987 * targhooks.h (default_mode_rep_extended): Declare it.
3988 * targhooks.c (default_mode_rep_extended): Define it.
3989 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3990 default_mode_rep_extended.
3991 (TARGET_INITIALIZER): Include it.
3992 * doc/tm.texi (Misc): Document it.
3993 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3994 (mips_truncated_to_mode): New function.
3996 2006-04-16 Roger Sayle <roger@eyesopen.com>
3999 * expr.c (compress_float_constant): Copy the narrow constant into
4000 a new pseudo before extending it to its final width.
4002 2006-04-16 Roger Sayle <roger@eyesopen.com>
4003 Andrew Pinski <pinskia@gcc.gnu.org>
4004 Dale Johannesen <dalej@apple.com>
4007 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4008 special case code to implement V8HImode and V16QImode with SSE2.
4010 2006-04-15 Roger Sayle <roger@eyesopen.com>
4012 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4013 trees are constructed with a suitable tree type.
4015 2006-04-15 Roger Sayle <roger@eyesopen.com>
4017 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4018 (integer_onep): Likewise.
4019 (integer_all_onesp): Likewise.
4020 (integer_pow2p): Likewise.
4021 (integer_nonzerop): Likewise.
4022 (real_zerop): Likewise.
4023 (real_onep): Likewise.
4024 (real_twop): Likewise.
4025 (real_minus_onep): Likewise.
4026 (int_size_in_bytes): Likewise.
4027 (host_integerp): Likewise.
4029 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4031 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4032 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4033 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4035 * tree-ssa-structalias.h (alias_info): Remove num_references.
4037 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4039 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4040 (output_bvb patterns): Likewise.
4041 * pa.c (output_bb): Use 'bb' insn for long branch case.
4042 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4043 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4044 1. Correct length operand for alternatives 1 and 2.
4045 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4046 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4048 2006-04-14 Roger Sayle <roger@eyesopen.com>
4050 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4051 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4052 were accidentally reverted by r112959.
4054 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4057 * except.h (eh_region_outermost): New prototype.
4058 * except.c (eh_region_outermost): New function.
4059 * tree-cfg.c (find_outermost_region_in_block): Use it.
4061 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4063 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4065 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4066 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4067 (init_reload, reload): Use VEC instead of VARRAY.
4068 * reload.h: Update the prototype for
4069 reg_equiv_memory_loc_varray.
4071 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4072 Eric Botcazou <ebotcazou@libertysurf.fr>
4074 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4077 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4080 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4081 to expand fallback builtin function call.
4083 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4086 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4087 and emit libcall here in case the builtin fails.
4088 (expand_builtin_strcmp): Always emit the libcall here on failure.
4090 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4092 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4093 * flow.c (reg_n_info): Change the type to
4094 VEC(reg_info_p,heap) *.
4095 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4097 * regs.h (reg_info_p): New.
4098 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4099 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4100 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4103 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4105 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4107 * params.h (MAX_SCHED_READY_INSNS): New macro.
4108 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4109 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4110 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4111 the ready list for 1 cycle during the first scheduling pass.
4112 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4114 2006-04-13 Richard Henderson <rth@redhat.com>
4117 * gimple-low.c (lower_omp_directive): Remove dead code.
4118 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4119 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4120 * omp-low.c (struct omp_region): Move to tree-flow.h.
4121 (root_omp_region): Export.
4122 (omp_regions, lookup_omp_region): Remove.
4123 (determine_parallel_type): Update for struct omp_region changes.
4124 (dump_omp_region): Dump regions with block numbers.
4125 (new_omp_region): Take type and block instead of stmt; malloc
4127 (free_omp_region_1, free_omp_regions): New.
4128 (expand_parallel_call): Take entry_stmt as argument; update for
4129 changes to omp_region.
4130 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4131 (remove_exit_barriers): New.
4132 (expand_omp_parallel): Update for struct omp_region changes.
4133 (expand_omp_synch): Likewise.
4134 (expand_omp): Likewise.
4135 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4136 (expand_omp_for_static_chunk): Likewise.
4137 (expand_omp_for): Likewise.
4138 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4139 (expand_omp_sections): Similarly, with GOMP_sections_end.
4140 (expand_omp_single): New.
4141 (build_omp_regions_1): Update for OMP_CONTINUE.
4142 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4143 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4144 OMP_SECTIONS_SECTIONS.
4145 (lower_omp_single_simple): Don't emit barrier here.
4146 (lower_omp_single_copy): Likewise.
4147 (lower_omp_single): Fix bindings, and lower to straightline now.
4148 (lower_omp_master, lower_omp_ordered): Likewise.
4149 (lower_omp_critical): Likewise.
4150 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4151 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4152 omp edges, free it afterward.
4153 (make_omp_sections_edges): Remove.
4154 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4155 (move_stmt_r): Handle OMP_CONTINUE.
4156 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4157 statement pointers to basic blocks. Add type member.
4158 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4159 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4160 * tree-inline.c (estimate_num_insns_1): Likewise.
4161 * tree-pretty-print.c (dump_generic_node): Likewise.
4162 * tree-ssa-operands.c (get_expr_operands): Likewise.
4163 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4164 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4165 (OMP_CONTINUE): New.
4166 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4167 (OMP_SECTIONS_SECTIONS): Remove.
4168 (OMP_SECTION_LAST): New.
4169 (OMP_RETURN_NOWAIT): New.
4171 2006-04-13 Roger Sayle <roger@eyesopen.com>
4173 * fold-const.c (native_encode_vector, native_interpret_real):
4174 Correct obvious mistakes in the previous check-in.
4176 2006-04-13 Roger Sayle <roger@eyesopen.com>
4178 * fold-const.c (native_encode_expr): New function to encode
4179 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4180 or VECTOR_CST into a specified buffer.
4181 (native_encode_int): New function.
4182 (native_encode_real): New function.
4183 (native_encode_complex): New function.
4184 (native_encode_vector): New function.
4185 (native_interpret_expr): Inverse of native_encode_expr to convert
4186 a target representation into an INTEGER_CST, REAL_CST etc...
4187 (native_interpret_int): New function.
4188 (native_interpret_real): New function.
4189 (native_interpret_complex): New function.
4190 (native_interpret_vector): New function.
4191 (fold_view_convert_expr): New function to constant fold/evaluate
4192 a VIEW_CONVERT_EXPR of a suitable constant expression.
4193 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4194 Change call of build1 to fold_build1 when constructing a
4197 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4198 Ulrich Weigand <uweigand@de.ibm.com>
4201 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4204 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4207 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4208 optimize to lo_sum for DFmode if !TARGET_FPRS.
4210 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4212 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4213 delete_alias_info, compute_flow_sensitive_aliasing,
4214 group_aliases): Use VEC instead of VARRAY.
4215 * tree-ssa-structalias.c (update_alias_info): Likewise.
4216 * tree-ssa-structalias.h (alias_info): Change the type of
4217 processed_ptrs to VEC(tree,heap) *.
4219 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4222 * config/sh/lib1funcs.h: New file, broken out of:
4223 * config/sh/lib1funcs.asm.
4224 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4226 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4227 * config/sh/lib1funcs-Os-4-200.asm: New file.
4228 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4229 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4230 (EXTRA_MULTILIB_PARTS): Include it.
4231 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4232 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4233 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4234 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4237 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4239 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4240 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4241 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4243 * tree-ssa-live.h: Include vecprim.h.
4244 (tree_partition_associator_d): Change the type of
4245 first_partition to VEC(int,heap) *.
4246 (tpa_first_partition): Use VEC instead of VARRAY.
4248 * Makefile.in (GTFILES): Move functions.h after tree.h.
4249 * function.c (reset_block_changes, record_block_change,
4250 check_block_change, free_block_changes): Use VEC instead of
4252 * function.h (function): Change the type of
4253 ib_boundaries_block to VEC(tree,gc) *.
4254 * tree-inline.c (copy_cfg_body): Initialize
4255 ib_boundaries_block to NULL instead of (varray_type) 0.
4257 2006-04-12 Roger Sayle <roger@eyesopen.com>
4259 * expr.c (emit_group_store): Correct operand order in call to
4260 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4261 a SUBREG_BYTE of zero.
4263 2006-04-12 Richard Guenther <rguenther@suse.de>
4265 * profile.c (compute_branch_probabilities): Remove code
4266 encapsulated in !ir_type (), which are remanents of the
4267 removed RTL profiling code.
4268 * rtl-profile.c: Remove.
4270 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4272 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4273 magic NULL_RTX comment.
4274 (function_arg): Store entire fp arg to mem if any part should go
4276 (rs6000_arg_partial_bytes): Adjust for above change.
4278 2006-04-11 Roger Sayle <roger@eyesopen.com>
4280 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4281 if it hasn't been initialized by dwarf2out_init.
4283 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4285 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4286 symbolic constants in branch patterns.
4288 2006-04-11 Roger Sayle <roger@eyesopen.com>
4290 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4292 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4294 PR rtl-optimization/27073
4295 * gcse.c (try_replace_reg): Revert last change. Continue to search
4296 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4299 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4301 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4302 aggregate types other than record and union types.
4303 (function_arg): Likewise.
4304 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4306 (function_value): In 64-bit mode, return objects that require it
4309 2006-04-11 Roger Sayle <roger@eyesopen.com>
4311 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4313 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4315 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4317 2006-04-03 Jeff Law <law@redhat.com>
4320 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4321 alias information too.
4323 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4325 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4327 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4330 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4331 (premark_used_types_helper): New.
4332 (premark_used_types): New.
4333 (gen_subprogram_die): Call premark_used_types.
4334 (prune_unused_types_walk): Do not prune perennial dies.
4335 * function.c (used_types_insert): New.
4336 * function.h (struct function): Add used_types_hash field.
4337 (used_types_insert): Add prototype.
4338 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4339 * c-parser.c (c_parser_cast_expression): Save casted types in used
4342 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4345 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4346 rs6000_explicit_options.float_gprs.
4348 2006-04-10 Roger Sayle <roger@eyesopen.com>
4350 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4351 from ix86_expand_vector_init_low_nonzero. Take an additional
4352 one_var argument indicating which element is non-zero. Support
4353 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4354 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4355 with one_var instead of ix86_expand_vector_init_low_nonzero.
4357 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4359 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4360 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4361 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4362 build/genextract.o): Depend on vecprim.h.
4363 * cfglayout.c, df-problems.c, function.c, genextract.c,
4364 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4365 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4369 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4371 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4372 Declare VECs of this type.
4373 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4374 (remove_children): Delete.
4375 (add_dwarf_attr): Use VEC routines.
4376 (add_AT_flag): Update for changes to add_dwarf_attr.
4377 (add_AT_int): Likewise.
4378 (add_AT_unsigned): Likewise.
4379 (add_AT_long_long): Likewise.
4380 (add_AT_vec): Likewise.
4381 (add_AT_string): Likewise.
4382 (add_AT_die_ref): Likewise.
4383 (add_AT_fde_ref): Likewise.
4384 (add_AT_loc): Likewise.
4385 (add_AT_loc_list): Likewise.
4386 (add_AT_addr): Likewise.
4387 (add_AT_lbl_id): Likewise.
4388 (add_AT_lineptr): Likewise.
4389 (add_AT_macptr): Likewise.
4390 (add_AT_offset): Likewise.
4391 (add_AT_range_list): Likewise.
4392 (get_AT): Use VEC_iterate.
4393 (remove_AT): Use VEC_ordered_remove.
4394 (free_die): Fold remove_children into here; have it use VEC_iterate.
4395 (print_die): Use VEC_iterate on attrs.
4396 (reverse_die_lists): Don't reverse attr lists.
4397 (die_checksum): Use VEC_iterate on attrs.
4398 (same_die_p): Likewise.
4399 (output_location_lists): Likewise.
4400 (build_abbrev_table): Likewise.
4401 (size_of_die): Likewise.
4402 (unmark_all_dies): Likewise.
4403 (output_abbrev_section): Likewise.
4404 (output_die): Likewise.
4405 (prune_unused_types_walk_attribs): Likewise.
4407 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4409 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4411 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4414 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4416 2006-04-09 Roger Sayle <roger@eyesopen.com>
4418 * expr.c (store_constructor): Don't bother clearing target if
4419 we're about to assign a vector to it using vec_init_optab.
4421 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4423 * tree-ssa-alias.c (lhs_may_store_to): New function.
4424 (recalculate_used_alone): Handle LHS of calls.
4426 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4430 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4431 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4432 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4433 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4434 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4435 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4436 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4437 stubs. Add ".align 8" directives before all ".dword" directives.
4438 (GTHREAD_USE_WEAK): Revise comment.
4439 (TARGET_ATTRIBUTE_WEAK): Define.
4440 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4441 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4442 * stublib.c: New file.
4447 * pa.md (cbranch patterns): Revise arguments used in calls to
4448 output_cbranch, output_bb and output_bvd. Add long branch length
4450 (fbranch patterns): Handle long branches.
4451 (jump): Revise length check. Revise arguments for output_lbranch call.
4452 Add long branch length attributes.
4453 (decrement_and_branch_until_zero): Add long branch length attributes.
4454 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4455 Likewise. Revise arguments for output_parallel_addb and
4456 output_parallel_movb calls.
4457 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4458 output_parallel_movb and output_parallel_addb): Update prototypes.
4459 * pa.c (output_cbranch): Revise arguments. Correct handling of
4460 nullification in long branches.
4461 (output_lbranch): Add new argument to control extraction of delay
4463 (output_bb): Handle long branches.
4464 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4465 output_parallel_addb): Likewise.
4467 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4469 PR rtl-optimization/27073
4470 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4473 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4475 * tree.h (tree_memory_tag): Add old_used_alone.
4476 (SMT_OLD_USED_ALONE): New macro.
4477 * tree-ssa-alias.c (recalculate_used_alone): Stop
4478 marking things for renaming unnecessarily.
4480 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4482 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4483 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4484 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4485 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4486 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4487 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4488 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4489 spelling convensions.
4490 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4491 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4492 typos. Follow spelling conventions.
4494 2006-04-07 DJ Delorie <dj@redhat.com>
4496 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4497 passed on the stack.
4498 (m32c_init_cumulative_args): When a function returns a structure,
4499 always pass the pointer to that return area on the stack.
4500 (m32c_function_arg_advance): Don't increment the parameter number
4501 if we're processing the returned structure pointer.
4502 (pushm_info): Reverse order of registers.
4504 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4506 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4507 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4508 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4509 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4511 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4512 chrec_fold_multiply): Same.
4513 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4514 force_expr_to_var_cost): Same.
4515 * tree-mudflap.c (mf_xform_derefs_1): Same.
4516 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4518 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4520 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4521 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4524 2006-04-07 Jan Hubicka <jh@suse.cz>
4526 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4528 2006-04-07 Richard Guenther <rguenther@suse.de>
4530 PR tree-optimization/26135
4531 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4532 loads for store copy-prop.
4533 (copy_prop_visit_stmt): Likewise.
4535 2006-04-05 Robert Millan <robertmh@gnu.org>
4537 * config/i386/linux.h: Add a comment to mark macros that are
4538 being overriden in config/k*bsd-gnu.h.
4539 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4541 * config/knetbsd-gnu.h: Ditto.
4543 2006-04-06 Jan Hubicka <jh@suse.cz>
4547 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4550 2006-04-06 Mike Stump <mrs@apple.com>
4552 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4553 for HAVE_nonlocal_goto to be consistent.
4554 (expand_builtin_nonlocal_goto): Likewise.
4555 (expand_builtin_strcmp): Use #ifdef instead of #if
4556 for HAVE_cmpstrnsi to be consistent.
4558 2006-04-05 DJ Delorie <dj@redhat.com>
4560 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4563 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4565 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4566 got-relative addressing for anything but SImode.
4568 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4569 even if the calling function doesn't modify them.
4571 2006-04-05 Richard Guenther <rguenther@suse.de>
4573 PR tree-optimization/26919
4574 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4575 to cgraph_estimate_size_after_inlining.
4577 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4579 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4581 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4583 PR tree-optimization/26996
4584 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4585 VECTOR_TYPE variables.
4587 2006-04-05 Richard Guenther <rguenther@suse.de>
4589 PR tree-optimization/26763
4590 * fold-const.c (fold_comparison): Move folding of
4591 PTR + CST CMP PTR + CST ...
4592 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4594 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4596 * doc/install.texi (Prerequisites): Refine some wording on
4597 bootstrapping and ksh.
4598 Move the version numbers of DejaGnu here from the testing section
4599 and fix casing of names.
4600 Fix markup and clarify wording for autogen requirements.
4601 Refer to GCJ instead of just java.
4602 Refer to SVN instead of CVS.
4603 Describe diffutils as useful instead of necessary.
4604 (Downloading the source): Refer to SVN instead of CVS.
4605 Adjust a link to our web site accordingly.
4606 (Configuration): Fix casing of Bison.
4607 (Building): Refer to SVN instead of CVS.
4608 Fix a sentence on the use of Bison and remove duplicate (and
4609 incorrect) version number of Bison requirement.
4610 Remove one redundant list of packages needed for building.
4611 (Specific): Avoid reference to CVS.
4613 2006-04-04 Eric Christopher <echristo@apple.com>
4615 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4616 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4617 (rs6000_handle_struct_attribute): New.
4618 (rs6000_ms_bitfield_layout_p): Ditto.
4620 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4622 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4623 NULL for dso parameter to atexit_common.
4625 2006-04-04 Eric Christopher <echristo@apple.com>
4627 * config/i386/i386.c (machopic_output_stub): Output \t
4628 between instructions and operands.
4630 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4632 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4633 satisfies_constraint_[IL] to explicit tests on value.
4635 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4637 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4638 set_nb_iterations_in_loop): Use build_int_cst instead of
4640 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4641 build_int_cst instead of convert.
4643 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4645 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4646 new value 2 for incoming.
4647 * function.c (expand_function_start): Call struct_value_rtx
4649 * config/sparc/sparc.md: Comment updated_return.
4650 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4651 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4652 struct return if sparc_std_struct_return and incoming is 2.
4653 (print_operand): Do not adjust return if
4654 sparc_std_struct_return.
4656 2006-04-04 Roger Sayle <roger@eyesopen.com>
4658 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4659 convert in the middle-end.
4660 * expr.c (store_expr, store_constructor, get_inner_reference,
4661 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4663 * tree.c (build_range_type): Likewise.
4665 2006-04-04 Tom Tromey <tromey@redhat.com>
4667 * doc/install.texi (Prerequisites): Mention jar.
4669 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4671 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4674 2006-04-04 Matthias Klose <doko@debian.org>
4676 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4677 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4680 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4682 * doc/extend.texi (Function Attributes): Rewrite visibility
4683 attribute documentation.
4684 * doc/invoke.texi (C++ Dialect Options): Rewrite
4685 -fvisibility-inlines-hidden documentation to describe something
4686 entirely different, although in practise compatible.
4687 (Code Gen Options): Warn about system headers in -fvisibility=
4690 * doc/extend.texi (Other Builtins): Document that
4691 __builtin_nan is a compile-time constant only when its argument
4694 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4696 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4697 trying to remove TRUNCATE check if all bits outside the new mode
4698 are identical to the sign bit.
4700 2006-04-03 Jeff Law <law@redhat.com>
4702 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4703 and operand scanning in some common cases.
4705 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4706 Dale Johannesen <dalej@apple.com>
4709 * regclass.c (struct reg_pref): Update documentation.
4710 (regclass): Set prefclass to NO_REGS if memory is the best option.
4711 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4712 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4713 into account. For non-registers, equate an empty preferred
4714 reload class to a `!' in the constraint; move the if clause to
4715 do so after those that reject the insn.
4716 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4718 (find_dummy_reload): Likewise.
4719 * doc/tm.texi (Register Classes): Document what it means
4720 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4721 * config/i386/i386.c (ix86_preferred_reload_class): Force
4722 using SSE registers (and return NO_REGS for floating-point
4723 constants) if math is done with SSE.
4724 (ix86_preferred_output_reload_class): New.
4725 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4726 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4727 * config/i386/i386.md: Remove # register preferences.
4729 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4732 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4733 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4734 the type of nb_iter.
4735 (instantiate_parameters_1): Convert the operands before calling
4736 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4737 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4739 2006-04-02 Roger Sayle <roger@eyesopen.com>
4741 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4742 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4744 * dojump.c (do_jump): Likewise.
4745 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4746 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4747 gimplify_boolean_expr): Likewise.
4748 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4749 * varasm.c (array_size_for_constructor): Likewise.
4750 * tree-object-size.c (compute_object_offset): Likewise.
4752 2006-04-02 Roger Sayle <roger@eyesopen.com>
4755 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4756 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4758 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4760 PR tree-optimization/26939
4761 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4763 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4765 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4766 at_stmt. Convert the type of operands before calling
4767 build_polynomial_chrec.
4768 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4770 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4771 (instantiate_parameters_1): Convert the type of operands before calling
4772 build_polynomial_chrec.
4773 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4774 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4775 reset_evolution_in_loop): Insert asserts to check the types of the
4777 (chrec_type): Moved...
4778 (eq_evolutions_p): Use operand_equal_p.
4779 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4780 the types of the operands.
4781 (chrec_type): ...here.
4782 * tree-data-ref.c (create_data_ref): Convert the operands before
4783 calling chrec_replace_initial_condition.
4784 (same_access_functions, analyze_subscript_affine_affine,
4785 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4786 (compute_subscript_distance, analyze_ziv_subscript,
4787 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4788 analyze_miv_subscript): Convert the operands before calling
4789 chrec_fold_minus or chrec_fold_plus.
4791 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4793 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4794 the dependence_relations vector.
4795 (compute_data_dependences_for_loop): Adjust call to
4796 compute_all_dependences.
4798 2006-04-01 Roger Sayle <roger@eyesopen.com>
4799 Richard Henderson <rth@redhat.com>
4801 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4802 gimple_boolify on the condition before calling gimplify_expr.
4804 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4806 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4807 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4808 the frame size. Update to use the new macros.
4809 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4810 * config/xtensa/ieee754-df.S: Likewise.
4812 2006-03-31 Richard Henderson <rth@redhat.com>
4814 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4815 (make_edges): ... here. Control fallthru creation with a local
4816 variable. Do not play with fake edges.
4817 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4818 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4821 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4823 * dwarf2.h (DW64_CIE_ID): Define.
4824 * dwarf2out.c (DWARF_CIE_ID): Define.
4825 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4826 length header. Use DWARF_CIE_ID.
4827 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4828 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4830 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4832 * config/sh/linux-atomic.asm: New file.
4833 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4835 2006-03-31 DJ Delorie <dj@redhat.com>
4837 * config/m32c/cond.md: Set condition flags properly throughout.
4838 * config/m32c/minmax.md: Likewise.
4839 * config/m32c/prologue.md: Likewise.
4840 * config/m32c/bitops.md: Likewise.
4841 * config/m32c/muldiv.md: Likewise.
4842 * config/m32c/mov.md: Likewise.
4843 * config/m32c/addsub.md: Likewise.
4844 * config/m32c/m32c.md: Likewise.
4845 * config/m32c/jump.md: Likewise.
4846 * config/m32c/shift.md: Likewise.
4848 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4849 conditionally output the pattern for this.
4850 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4851 (m32c_compare_redundant): New.
4852 (m32c_output_compare): New.
4853 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4855 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4856 dest, not src. Allow other 4-byte modes.
4858 2006-03-30 Denis Chertykov <denisc@overta.ru>
4860 * doc/md.texi: Refer to avr/constraints.md instead of
4863 2006-03-30 Roger Sayle <roger@eyesopen.com>
4865 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4866 signed vs. unsigned comparison failures on some hosts.
4868 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4871 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4872 change to FLOAT_REGS.
4874 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4875 (rs6000_override_options): Use it.
4876 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4877 only for -mabi=spe/no-spe and -mabi=altivec.
4879 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4881 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4884 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4886 * Makefile.in: Rename docdir to gcc_docdir.
4888 2006-03-30 Roger Sayle <roger@eyesopen.com>
4891 * expr.c (emit_group_store): Optimize group stores into a pseudo
4892 register by using a paradoxical subreg to initialize the destination
4893 if the first or last member of the group specifies a "low part".
4895 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4898 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4899 * target.h (struct gcc_target.speculate_insn): Change type of the
4900 second parameter to 'int'.
4901 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4902 the second operand of the DEPS_LIST.
4903 (copy_DEPS_LIST_list): Update reference to the second operand of the
4905 * rtl.h (alloc_DEPS_LIST): Update signature.
4906 * sched-int.h (ds_t): Change typedef to 'int'.
4907 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4909 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4911 * haifa-sched.c (try_ready): Change condition to restore
4912 non-speculative pattern of the instruction.
4913 (process_insn_depend_be_in_spec): Code to keep probability of the
4914 speculative dependence non-decreasing.
4916 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4918 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4919 (single_move_for_movmem): ... this. Also change all uses.
4920 (bfin_expand_strmov): Renamed to...
4921 (bfin_expand_movmem): ... this. Also change all uses.
4922 * config/bfin/bfin.md (movstrsi): Renamed to...
4923 (movstrsi): ...this.
4925 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4927 PR tree-optimization/26830
4929 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4930 (copy_prop_visit_stmt): Remove write-only variable ann.
4931 (init_copy_prop): Check variable loop depth here. Do not simulate
4932 memory-tag and virtual operand PHIs except for store copy prop.
4934 2006-03-30 Richard Guenther <rguenther@suse.de>
4936 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4937 variants with double arguments.
4939 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4941 * genpreds.c (write_tm_constrs_h): Delete variable p.
4942 * genconditions.c (write_header): Add tm-constrs.h to included
4944 * genpeep.c (main): Add toplev.h to included headers.
4945 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4946 (build/genpeep.o): Add toplev.h dependency.
4947 * config/rs6000/constraints.md: Add "W" constraint.
4949 2006-03-29 Roger Sayle <roger@eyesopen.com>
4951 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4952 sizes by correctly testing whether the size fits a host integer.
4953 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4954 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4955 SImode range for the default sizetype and bitsizetype.
4957 2006-03-29 Roger Sayle <roger@eyesopen.com>
4959 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4960 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4961 quickly if the argument is already of the correct type.
4962 Call fold_build1 instead of build1. Tidy up blank lines.
4964 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4966 * genemit.c (main): Add tm-constrs.h to included headers.
4967 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4968 * genpeep.c (main): Add tm-constrs.h to included headers.
4969 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4970 (write_tm_constrs_h): this and write complete file.
4971 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4972 (write_insn_preds_c): Add tm-constrs.h to included headers.
4973 (gen_constrs): New variable.
4974 (parse_option): Parse "-c".
4975 (main): Invoke write_tm_constrs_h.
4976 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4977 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4978 (object_out_file): Add tm-constrs.h dependency.
4979 (insn-emit.o): Same.
4980 (insn-output.o): Same.
4981 (insn-peep.o): Same.
4982 (insn-preds.o): Same.
4983 (insn-recog.o): Same.
4984 (tm-constsr.h): New target.
4985 (s-constrs-h): New target.
4987 * config/rs6000/constraints.md: New file.
4988 * config/rs6000/rs6000.c: Include tm-constrs.h.
4989 (num_insn_constant_wide): Convert to satisfies_constraint.
4990 (rs6000_rtx_costs): Convert to satisfies_constraint.
4991 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4992 (CONST_OK_FOR_LETTER_P): Delete.
4993 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4994 (EXTRA_CONSTRAINT): Delete.
4995 (EXTRA_MEMORY_CONSTRAINT): Delete.
4996 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4997 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4998 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4999 satisfies_constraint.
5001 * config/i386/i386.c: Include tm-constrs.h.
5003 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5005 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5006 * tree-data-ref.c (find_data_references_in_loop,
5007 compute_data_dependences_for_loop): Use pointers to VEC.
5008 (analyze_all_data_dependences): Adjust calls.
5009 * tree-data-ref.h (find_data_references_in_loop,
5010 compute_data_dependences_for_loop): Adjust declarations.
5011 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5012 compute_data_dependences_for_loop.
5014 2006-03-29 Paul Brook <paul@codesourcery.com>
5016 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5019 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5021 PR tree-optimization/26859
5022 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5024 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5025 for the step after fold_convert.
5027 2006-03-29 Paul Brook <paul@codesourcery.com>
5029 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5030 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5032 2006-03-29 Paul Brook <paul@codesourcery.com>
5035 * targhooks.c (default_narrow_bitfield): New fuction.
5036 * targhooks.h (default_narrow_bitfield): add prototype.
5037 * target.h (gcc_target): Add narrow_volatile_bitfield.
5038 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5039 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5040 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5041 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5043 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5045 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5047 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5048 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5049 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5050 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5051 (s390_function_arg_float): Allow SDmode and DDmode values to be
5052 passed in floating point registers.
5053 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5054 check with SCALAR_FLOAT_MODE_P.
5055 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5057 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5059 PR tree-optimization/25985
5060 * tree-ssa-loop-niter.c (number_of_iterations_le,
5061 number_of_iterations_ne): Make comments more precise.
5062 (number_of_iterations_cond): Add only_exit argument. Use the
5063 fact that signed variables do not overflow only when only_exit
5065 (loop_only_exit_p): New.
5066 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5067 number_of_iterations_cond.
5069 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5071 PR tree-optimization/26643
5072 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5075 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5077 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5078 (divsi3_i4_int): Likewise.
5080 2006-03-28 Roger Sayle <roger@eyesopen.com>
5082 * expr.c (emit_group_store): Only create a new pseudo reg if the
5083 quantity it needs to hold isn't already a suitable pseudo.
5085 2006-03-28 Jeff Law <law@redhat.com>
5087 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5088 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5090 2006-03-28 Roger Sayle <roger@eyesopen.com>
5092 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5093 the equivalent ~X & Y, and the symmetry related transformations.
5094 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5095 ~X & Y, and symmetry related transforms.
5097 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5099 Revert my 2006-03-27 patches.
5101 2006-03-28 Roger Sayle <roger@eyesopen.com>
5103 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5104 ~(T1)X, when T1 and T2 are integer types of the same precision
5105 and (T2)X isn't an extension.
5107 2006-03-28 Jeff Law <law@redhat.com>
5109 PR tree-optimization/26796
5110 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5111 need EH edge cleanups rather than purging them immediately.
5112 (eliminate_degenerate_phis): Handle queued EH cleanups.
5114 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5116 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5119 2006-03-27 Roger Sayle <roger@eyesopen.com>
5122 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5123 cast BIT_NOT_EXPR operand to the correct type.
5125 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5127 * tree-loop-linear.c: Don't include varray.h.
5128 (gather_interchange_stats, try_interchange_loops,
5129 linear_transform_loops): Use VEC instead of VARRAY.
5130 * lambda-mat.c: Don't include varray.h.
5131 * tree-chrec.c: Same.
5132 * lambda-trans.c: Same.
5133 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5134 VEC instead of VARRAY.
5135 * tree-vectorizer.h: Idem.
5136 * tree-data-ref.c (dump_data_references,
5137 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5138 initialize_data_dependence_relation, finalize_ddr_dependent,
5139 compute_all_dependences, find_data_references_in_loop,
5140 compute_data_dependences_for_loop, analyze_all_data_dependences,
5141 free_dependence_relation, free_dependence_relations,
5142 free_data_refs): Idem.
5143 * tree-data-ref.h (data_reference_p, subscript_p): New.
5144 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5145 VEC instead of VARRAY.
5146 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5147 (find_data_references_in_loop, compute_data_dependences_for_loop,
5148 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5149 dump_data_dependence_relations, free_dependence_relations,
5150 free_data_refs): Adjust declaration.
5151 (lambda_transform_legal_p): Move declaration here...
5152 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5153 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5154 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5155 vect_analyze_data_refs): Use VEC instead of VARRAY.
5156 * lambda.h (lambda_transform_legal_p): ...from here.
5157 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5158 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5159 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5160 tree-chrec.o): Don't depend on VARRAY_H.
5162 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5164 * rtl.def (Copyright): Update date.
5165 (DEPS_LIST): Change type of the second operand to 'int'.
5166 * target.h (Copyright): Update date.
5167 (struct gcc_target.speculate_insn): Change type of the second parameter
5169 * lists.c (Copyright): Update date.
5170 (alloc_DEPS_LIST): Change signature. Update reference to the second
5171 operand of the DEPS_LIST.
5172 (copy_DEPS_LIST_list): Update reference to the second operand of the
5174 * rtl.h (Copyright): Update date.
5175 (alloc_DEPS_LIST): Update signature.
5176 * sched-int.h (Copyright): Update date.
5177 (ds_t): Change typedef to 'int'.
5178 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5180 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5182 * haifa-sched.c (Copyright): Update date.
5183 (try_ready): Change condition to restore non-speculative pattern
5185 (process_insn_depend_be_in_spec): Code to keep probability of the
5186 speculative dependence non-decreasing.
5188 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5190 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5191 shut up the compiler.
5193 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5195 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5196 to use lib prefix for target.
5197 ($(T)libic_invalidate_array_4-200.a): Likewise.
5198 ($(T)libic_invalidate_array_4a.a): Likewise.
5200 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5201 J"orn Rennecke <joern.rennecke@st.com>
5203 * superh.opt: New file.
5204 * sh.c (boardtype, osruntime): Remove.
5205 * superh.h (SUBTARGET_OPTIONS): Remove.
5206 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5208 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5209 arguments with ^ and/or [].
5211 * config.gcc (sh-*-*): Add quoting to account for quirk of
5213 Replace == with = in enable_incomplete_targets test.
5215 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5216 with MASK_LITTLE_ENDIAN.
5218 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5219 * config/sh/sh.opt: Added to some comments.
5220 * config/sh/superh.h: Removed some chaff.
5222 * config/sh/sh.opt: Add m4-[1234]00* options.
5223 * config/sh/sh.c (sh_handle_option): Likewise.
5224 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5225 (ic_invalidate_array_4-100.o): New rule.
5226 ($(T)libic_invalidate_array_4-100.a): Likewise.
5227 (ic_invalidate_array_4-200.o): Likewise.
5228 ($(T)libic_invalidate_array_4-200.a): Likewise.
5229 (ic_invalidate_array_4a.o): Likewise.
5230 ($(T)libic_invalidate_array_4a.a): Likewise.
5231 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5232 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5234 * config/sh/crt1.asm: Merged in profiling code.
5235 * config/sh/superh.h (STARTFILE_SPEC): Override.
5236 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5237 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5238 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5240 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5241 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5242 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5244 * sh.opt (mpretend-cmove): New option.
5245 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5246 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5247 (movsicc): Add TARGET_PRETEND_CMOVE code.
5249 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5251 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5252 s390_class_max_nregs): New function prototypes.
5253 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5254 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5255 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5256 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5258 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5260 * dwarf2out.c (add_location_or_const_value_attribute): Call
5261 tree_add_const_value_attribute if nothing else works.
5262 (reference_to_unused): New.
5263 (rtl_for_decl_init): Use reference_to_unused to decide whether
5264 to output an initializer.
5266 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5269 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5270 peephole removing spe frob_di_df_2.
5272 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5274 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5275 (subscript_dependence_tester_1): Declared.
5276 (print_dir_vectors, print_dist_vectors): New.
5277 (debug_data_dependence_relation): New.
5278 (dump_data_dependence_relation): Print more details.
5279 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5280 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5281 (save_dist_v, save_dir_v, add_outer_distances,
5282 build_classic_dist_vector_1): New.
5283 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5284 Don't test for lambda_vector_lexico_pos.
5285 (same_access_functions, add_multivariate_self_dist,
5286 add_other_self_distances, dir_from_dist): New.
5287 (build_classic_dir_vector): Replace implementation almost identical to
5288 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5290 (subscript_dependence_tester_1): New.
5291 (subscript_dependence_tester): Handle the lexicographically negative
5292 distance vectors by recomputing the dependence relation.
5293 (compute_affine_dependence): Remove parameter loop_nest_depth.
5294 (compute_self_dependence): Don't call compute_subscript_distance.
5295 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5296 Add a parameter for the loop_nest.
5297 (find_loop_nest_1, find_loop_nest): New.
5298 (compute_data_dependences_for_loop): Compute the loop nest, and give
5299 up if the nest is not well formed.
5300 * tree-data-ref.h (loop_p): New.
5301 (struct data_dependence_relation): Replace size_vect field with
5302 loop_nest, a vec of loops.
5303 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5304 (DDR_LOOP_NEST): New.
5305 (print_dir_vectors, print_dist_vectors,
5306 debug_data_dependence_relation): Declared.
5307 (index_in_loop_nest): New.
5308 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5309 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5312 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5314 * simplify-rtx.c (simplify_relational_operation): Call
5315 simplify_relational_operation_1 even if mode is VOIDmode.
5317 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5319 PR tree-optimization/26804
5320 * tree.h (DECL_CALL_CLOBBERED): New macro.
5321 (tree_decl_common): Add call_clobbered_flag.
5322 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5323 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5324 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5325 (mark_non_addressable): Ditto.
5326 * tree-ssa.c (verify_call_clobbered): New function.
5327 (verify_alias_info): Use it.
5328 * tree-pass.h (pass_reset_cc_flags): New prototype.
5329 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5330 (reset_cc_flags): New function.
5331 * passes.c (init_optimization_passes): Call reset_cc_flags after
5332 initializing referenced_vars.
5334 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5335 Roger Sayle <roger@eyesopen.com>
5338 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5339 to 1.0 for non-real operands. Implement A / A optimization for
5342 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5344 * config/i386/i386.c (size_cost): Correct the comment for
5345 cost of storing fp registers.
5346 (i386_cost): Likewise.
5347 (i486_cost): Likewise.
5348 (pentium_cost): Likewise.
5349 (pentiumpro_cost): Likewise.
5350 (k6_cost): Likewise.
5351 (athlon_cost): Likewise.
5352 (k8_cost): Likewise.
5353 (pentium4_cost): Likewise.
5354 (nocona_cost): Likewise.
5355 (generic64_cost): Likewise.
5356 (generic32_cost): Likewise.
5358 2006-03-24 Denis Chertykov <denisc@overta.ru>
5360 * config/avr/avr-protos.h (extra_constraint): Delete.
5361 (extra_constraint_Q): New declaration.
5362 * config/avr/constraints.md: New file.
5363 * config/avr/avr.md: Include it.
5364 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5365 (TMP_REGNO, ZERO_REGNO): Likewise.
5366 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5367 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5368 (extra_constraint): Delete.
5369 (extra_constraint_Q): Test for memory constraint 'Q'.
5370 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5371 (REG_CLASS_FROM_LETTER): Delete.
5372 (CONST_OK_FOR_LETTER_P): Delete.
5373 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5374 (EXTRA_CONSTRAINT): Delete.
5375 (TMP_REGNO): Delete.
5376 (ZERO_REGNO): Delete.
5378 2006-03-24 Jeff Law <law@redhat.com>
5380 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5381 directly. Call mark_new_vars_to_rename slightly earlier.
5383 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5385 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5387 (gen_compile_unit_die): Use new language types for Objective-C and
5389 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5390 DW_LANG_C_plus_plus.
5393 * config/t-darwin (crt3.o): Work around bug 26840.
5394 * config/darwin-crt3.c: Rewrite.
5395 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5397 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5399 * doc/invoke.texi: Document -femit-class-debug-always
5400 * common.opt: Add -femit-class-debug-always.
5402 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5404 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5405 index and base register.
5406 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5407 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5408 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5409 REGNO_OK_FOR_INDEX_P.
5410 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5412 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5413 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5414 REG_OK_FOR_BASE_P): Definitions removed.
5416 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5419 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5420 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5421 set yet or weren't marked as local yet.
5423 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5425 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5428 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5430 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5431 (rs6000_legitimate_small_data_p): Delete.
5432 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5433 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5434 and make static. Add forward declaration. Update uses.
5435 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5436 of offsettable_memref_p.
5437 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5438 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5440 2006-03-24 Jeff Law <law@redhat.com>
5442 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5443 around bug in immediate-use iterator.
5445 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5448 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5449 or __LITTLE_ENDIAN__.
5451 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5453 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5454 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5455 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5456 * config/sh/sh.opt (mdiv=): Amend description.
5457 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5458 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5459 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5460 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5461 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5462 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5463 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5464 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5465 TARGET_DIVIDE_CALL_FP.
5467 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5469 * haifa-sched.c (choose_ready): Fix type of the local variable.
5470 Move local variables. Add comment.
5471 (check_reg_live): Change signature. Make callable from debugger.
5472 * sched-int.h (check_reg_live): Update signature.
5473 * sched-ebb.c (check_reg_live): Update parameters.
5474 * sched-rgn.c (check_reg_live): Ditto.
5475 (region_head_or_leaf_p): Check pointer before dereferencing.
5476 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5477 before reload on optimization levels below 1.
5479 2006-03-23 Richard Henderson <rth@redhat.com>
5481 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5485 * config/alpha/predicates.md (local_symbolic_operand): Reject
5488 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5491 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5492 expressions which have overflowed constants.
5494 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5496 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5498 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5500 * cfgloopmanip.c (create_loop_notes): Removed.
5501 * final.c (final_scan_insn): Do not handle loop notes.
5502 * jump.c (squeeze_notes): Ditto.
5503 * cfglayout.c (skip_insns_after_block,
5504 duplicate_insn_chain): Ditto.
5505 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5507 * cfgloop.h (create_loop_notes): Declaration removed.
5509 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5511 * varasm.c (output_constant_pool): Restore fnname and fndecl
5513 (assemble_start_function): Adjust call accordingly.
5514 (assemble_end_function): Likewise.
5516 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5519 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5522 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5524 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5527 * system.h (ICE_EXIT_CODE): New macro.
5528 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5529 (diagnostic_action_after_output): Likewise.
5530 * gcc.c (fatal_ice): New function.
5531 (execute): Use it instead of fatal.
5532 (fancy_abort): Likewise.
5533 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5535 2006-03-22 Jeff Law <law@redhat.com>
5537 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5538 iv_analyze_result returning false.
5540 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5542 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5544 2006-03-22 Richard Henderson <rth@redhat.com>
5547 * except.c (duplicate_eh_regions_0): New.
5548 (duplicate_eh_region_1): Duplicate the children of the node as
5549 well as the node itself. Link them up properly.
5550 (duplicate_eh_region_2): Merge into ...
5551 (duplicate_eh_regions): ... here. Take copy_region argument, and
5552 copy only a sub-tree if asked. Simplify copying and fixup.
5553 (eh_region_outer_p): New.
5554 * except.h (duplicate_eh_regions): Update decl.
5555 (eh_region_outer_p): Declare.
5556 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5557 (lower_omp_master): Likewise.
5558 (lower_omp_ordered): Likewise.
5559 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5560 (move_stmt_r): Use it to remap labels. Handle recursion vs
5561 remap_decls_p properly.
5562 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5563 (find_outermost_region_in_block): New.
5564 (new_label_mapper): New.
5565 (move_sese_region_to_fn): Copy eh information to the new function
5567 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5569 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5572 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5574 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5575 into shared libraries.
5577 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5579 * doc/md.texi: Refer to i386/constraints.md instead of
5581 * config/i386/constraints.md: New file, extracted from...
5582 * config/i386/predicates.md: ...here.
5583 * config/i386/i386.md: Include constraints.md.
5585 2006-03-21 Jason Merrill <jason@redhat.com>
5587 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5590 * expr.c (init_block_move_fn): Force default visibility.
5591 (init_block_clear_fn): Likewise.
5592 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5593 * targhooks.c (default_external_stack_protect_fail): Likewise.
5595 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5597 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5598 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5599 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5600 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5601 (loadgp): Use mips_current_loadgp_style.
5602 (loadgp_noshared): New pattern.
5603 (sibcall_internal): Use MIPS_CALL.
5604 (sibcall_value_internal): Likewise.
5605 (sibcall_value_multiple_internal): Likewise.
5606 (call_internal): Likewise.
5607 (call_value_internal): Likewise.
5608 (call_value_multiple_internal): Likewise.
5609 (call_split): Use MIPS_CALL and add an 'S' constraint.
5610 (call_value_split): Likewise.
5611 (call_value_multiple_split): Likewise.
5612 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5613 (-mshared): New option.
5614 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5615 (mips_current_loadgp_style): Declare.
5616 * config/mips/mips.c (mips_classify_symbol): Avoid using
5617 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5618 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5619 TARGET_ABSOLUTE_ABICALLS.
5620 (override_options): Adjust comments. Improve the warning that is
5621 issued when -mabicalls and -G are used together.
5622 (mips_file_start): Remove comment.
5623 (mips_current_loadgp_style): New function.
5624 (mips_gnu_local_gp): New variable.
5625 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5627 (mips_output_function_prologue): Use mips_current_laodgp_style.
5628 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5629 the cprestore instruction.
5630 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5631 live for TARGET_ABSOLUTE_ABICALLS.
5632 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5633 (ASM_SPEC): Pass down -mshared and -mno-shared.
5634 (MIPS_CALL): New macro.
5635 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5637 * doc/invoke.texi (-mabicalls): Update documentation.
5638 (-mshared): Document.
5640 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5642 * config/ia64/unwind-hpux.c: New file.
5643 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5645 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5648 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5650 2006-03-21 Jeff Law <law@redhat.com>
5652 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5653 type conversions of a VR_VARYING source to a wider type.
5655 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5657 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5658 tm_file on Solaris 10 and later.
5659 (sparc64-*-solaris2*): Likewise.
5660 (sparc-*-solaris2*): Likewise.
5661 * config/sol26.h: Rename to config/sol2-6.h.
5662 * config/sol2-10.h: New file.
5664 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5667 * tree-ssa-pre.c (create_component_ref_by_pieces):
5670 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5673 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5674 return it immediately.
5676 2006-03-21 Michael Matz <matz@suse.de>
5678 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5680 (remove_arc, add_arc): Update num_out_arcs member.
5681 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5683 (cache_presence): New function.
5684 (compare_states_for_equiv): New function.
5685 (state_is_differed): Don't take number of outargs, adjust callers.
5686 Use new invariant for speeding up.
5687 (init_equiv_class): Create initial classes based on sorted
5689 (partition_equiv_class): Don't track out_arcs_num.
5690 (evaluate_equiv_classes): Call cache_presence on all states and
5693 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5695 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5696 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5697 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5698 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5700 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5701 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5702 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5703 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5704 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5706 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5707 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5708 (REGNO_REG_CLASS): ARGP is in PREGS.
5709 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5711 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5712 to deal with those addresses.
5713 * addresses.h: New file.
5714 * caller-save.c: Include "addresses.h".
5715 (init_caller_save): Use new base_reg_class function.
5716 * rtl-factoring.c: Include "addresses.h".
5717 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5718 * recog.c: Include "addresses.h".
5719 (preprocess_constraints): Use new base_reg_class function.
5720 * regrename.c: Include "addresses.h".
5721 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5722 functions. Keep track of a new var INDEX_CODE to compute valid
5724 (replace_oldest_value_addr): Likewise.
5725 (replace_oldest_value_mem): Use base_reg_class.
5726 * reload.c: Include "addresses.h".
5727 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5728 (find_reloads): Use new base_reg_class function.
5729 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5730 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5731 all callers and prototype changed.
5732 * reload1.c: Include "addresses.h".
5733 (maybe_fix_stack_asms): Use base_reg_class.
5734 * regclass.c: Include "addresses.h".
5735 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5736 (init_reg_autoinc): Use new base_reg_class function.
5737 (record_reg_classes): Likewise.
5738 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5739 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5740 Use new args to compute necessary class.
5742 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5743 regrename.o, rtl-factoring.o): Update dependencies.
5744 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5745 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5746 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5747 REG_OK_FOR_INDEX_P): Delete documentation.
5749 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5751 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5752 from V7 to V9 for Solaris 7 and above.
5754 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5756 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5757 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5758 argument pointers may not alias any other storage.
5759 * common.opt: Define option -fargument-noalias-anything.
5760 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5761 alias semantics is specified by flag_argument_noalias > 2.
5763 2006-03-20 Jeff Law <law@redhat.com>
5765 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5766 (pass_phi_only_cprop): Declare.
5767 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5769 * tree-ssa-dom.c (degenerate_phi_result): New function.
5770 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5771 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5772 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5773 (eliminate_degenerate_phis): Likewise.
5774 (pass_phi_only_cprop): New pass descriptor.
5775 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5776 support code. Callers updated.
5777 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5778 (store_copy_prop): Likewise.
5779 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5781 2006-03-20 Jason Merrill <jason@redhat.com>
5784 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5785 (push_visibility, pop_visibility): Likewise.
5786 * c-pragma.h: Declare them.
5788 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5790 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5792 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5793 parameter and use get_ebb_head_tail.
5794 (sh_md_init_global): Adjust uses of find_regmode_weight.
5796 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5798 * function.h (struct function) <x_tail_recursion_reentry>:
5799 Rename to x_stack_check_probe_note.
5800 (tail_recursion_reentry): Rename to stack_check_probe_note.
5801 * function.c: Replace tail_recursion_reentry with
5802 stack_check_probe_note everywhere.
5803 (expand_function_start): Only emit a note for
5804 stack_check_probe_note with -fstack-protect.
5805 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5807 * emit-rtl.c (remove_unnecessary_notes): Remove.
5808 (pass_remove_unnecessary_notes): Remove.
5809 * rtl.h (remove_unnecessary_notes): Remove prototype.
5810 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5811 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5812 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5814 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5817 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5818 (valid_in_set): Handle ARRAY_REF.
5819 Change "if min_variant or VH" to asserts.
5820 (create_component_ref_by_pieces): Handle ARRAY_REF.
5821 (create_expression_by_pieces): Likewise.
5822 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5824 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5826 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5827 is operand of switch, not str[0].
5829 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5831 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5832 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5834 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5836 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5837 end of insn_extra_address_constraint declaration.
5839 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5841 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5842 (no-sum-in-toc): Same.
5843 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5845 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5846 NO_FP_IN_TOC for -fPIC instead of mask.
5848 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5849 (BOOT_LDFLAGS): Delete.
5851 * config/rs6000/t-aix52: Same.
5853 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5854 (stmsi[345678]_power): New.
5856 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5858 * config/ia64/ia64.opt: Add empty line to end of file.
5860 2006-03-17 Richard Guenther <rguenther@suse.de>
5863 * builtins.c (get_pointer_alignment): For component style references
5864 adjust alignment to the component type alignment. Make sure
5865 to adjust alignment for component access of constants.
5867 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5869 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5872 2006-03-17 Paul Brook <paul@codesourcery.com>
5874 * doc/install.texi: Docuemnt --with-mode.
5875 * config.gcc: Add --with-mode for arm*-*-*.
5876 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5878 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5880 * sh.c (max_labelno_before_reorg): New variable.
5881 (sh_reorg): Initialize it.
5882 (find_barrier): Check max_labelno_before_reorg before using
5883 label_to_alignment. Take length of explicit alignment insns
5884 into account. When seeing a UNSPECV_CONST_END, return it.
5886 * sh.c (fixup_mova): Set mode of affected label to QImode.
5887 (untangle_mova): New function.
5888 (find_barrier): Use it. Check mode of label before decrementing
5890 (sh_reorg): Likewise.
5891 Set mode of all insns back to VOIDmode.
5893 * sh.c (MOVA_LABELREF): New macro.
5894 (mova_p, fixup_mova, sh_reorg): Use it.
5895 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5896 ADDR_DIFF_VEC matches mova.
5898 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5900 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5901 with ATTRIBUTE_UNUSED.
5903 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5905 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5906 pointer, instead of assuming it is possible to derive the
5907 correct args size from a call insn.
5909 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5911 * rtl.h (CONST_INT_P): Define.
5912 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5913 instead of GET_CODE(x) == CONST_INT.
5914 (vax_rtx_costs): Likewise.
5915 (vax_output_int_move): Likewise.
5916 (vax_output_int_add): Likewise.
5917 (legitimate_constant_address_p): Likewise.
5918 (index_term_p): Likewise.
5919 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5920 * config/vax/vax.md (and<mode>3): Likewise.
5921 (ashrsi3): Likewise.
5923 (movstricthi): Likewise.
5924 (movstrictqi): Likewise.
5925 (rotrsi3): Likewise.
5926 (five unnamed insns): Likewise.
5928 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5930 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5931 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5932 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5933 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5934 Pass to ASM_OUTPUT_DWARF_OFFSET.
5935 * dwarf2out.c (debug_frame_section): New.
5936 (output_call_frame_info): Use debug_frame_section. Pass it to
5937 dw2_asm_output_offset.
5938 (output_die): Pass appropriate section to dw2_asm_output_offset.
5939 (output_compilation_unit_header): Likewise.
5940 (output_pubnames): Likewise.
5941 (output_aranges): Likewise.
5942 (enum dw_val_class): Break dw_val_class_lbl_offset into
5943 dw_val_class_lineptr and dw_val_class_macptr.
5944 (add_AT_lbl_offset): Delete.
5945 (add_AT_lineptr): New.
5946 (add_AT_macptr): New.
5947 (AT_lbl): Expect a lineptr or macptr.
5948 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5949 (attr_checksum): Likewise.
5950 (same_dw_val_p): Likewise.
5951 (size_of_die): Likewise.
5952 (value_format): Likewise.
5953 (output_die): Likewise.
5954 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5956 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5957 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5958 * config/darwin-protos.h (darwin_file_start): New.
5959 (darwin_asm_output_dwarf_offset): New.
5960 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5961 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5963 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5964 if not EH section; simplify.
5965 (darwin_file_start): New.
5966 (darwin_asm_output_dwarf_offset): New.
5967 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5969 (DEBUG_INFO_SECTION): Likewise.
5970 (DEBUG_ABBREV_SECTION): Likewise.
5971 (DEBUG_ARANGES_SECTION): Likewise.
5972 (DEBUG_MACINFO_SECTION): Likewise.
5973 (DEBUG_LINE_SECTION): Likewise.
5974 (DEBUG_LOC_SECTION): Likewise.
5975 (DEBUG_PUBNAMES_SECTION): Likewise.
5976 (DEBUG_STR_SECTION): Likewise.
5977 (DEBUG_RANGES_SECTION): Likewise.
5978 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5979 (ASM_OUTPUT_DWARF_OFFSET): New.
5981 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5983 * config.gcc (tm_defines): Always add to previous value rather
5986 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5988 * config/mips/predicates.md (splittable_const_int_operand): New,
5989 split from move_operand.
5990 (splittable_symbolic_operand): New.
5991 (move_operand): Add commentary. Use splittable_const_int_operand.
5992 Inline mips_atomic_symbolic_constant_p.
5993 * config/mips/mips.md: Add combine splitters for handling moves
5994 of splittable_const_int_operands and splittable_symbolic_operands.
5995 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5996 (mips_split_symbol): Declare.
5997 (mips_move_integer): Declare.
5998 * config/mips/mips.c (mips_split_p): Make global.
5999 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6000 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6001 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6002 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6003 (mips_offset_within_object_p): Handle block symbols.
6004 (mips_atomic_symbolic_constant_p): Delete.
6005 (mips_cannot_force_const_mem): Return false for constants that
6006 mips_legitimize_move can handle.
6007 (mips_use_blocks_for_constant_p): New function.
6008 (mips_split_symbol): Make global.
6009 (mips_move_integer): Likewise. Add a temporary register argument.
6010 (mips_legitimize_const_move): Use splittable_const_int_operand and
6011 splittable_symbolic_operand.
6012 (mips_use_anchors_for_symbol_p): New function.
6013 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6014 (mips_split_p): Declare.
6016 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6018 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6019 (mips*-*-linux*): Likewise.
6021 2006-03-16 Roger Sayle <roger@eyesopen.com>
6022 Daniel Speyer <dspeyer@wam.umd.edu>
6025 * tree-dump.c (dump_real): New function.
6026 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6027 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6028 (tree-dump.o): Add $(REAL_H) to the dependencies.
6030 2006-03-16 Roger Sayle <roger@eyesopen.com>
6033 * real.c (real_from_string): If the mantissa is zero, don't bother
6034 parsing the exponent as the result should always be zero.
6036 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6038 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6040 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6042 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6043 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6044 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6045 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6046 ia64_sched_finish_global): New static functions to implement
6047 hooks from gcc_target.sched.
6048 (spec_check_no, max_uid, pending_data_specs): New static variables.
6049 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6050 ia64_spec_check_src_p): New static functions.
6051 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6052 (TARGET_SCHED_ADJUST_COST): Removed.
6053 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6054 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6055 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6056 TARGET_SCHED_GEN_CHECK,
6057 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6058 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6059 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6060 Fixed to handle speculation checks.
6061 (rtx_needs_barrier): Fixed to handle speculative loads and
6063 (ia64_variable_issue): Added code to count speculative loads and their
6065 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6067 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6069 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6071 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6072 (ia64_reorg): Reset stops_p to NULL after it is freed.
6073 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6074 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6075 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6077 (data_speculative, control_speculative, check_load): New attributes.
6078 (mov<mode>_advanced, mov<mode>_speculative,
6079 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6080 zero_extend<mode>di2_speculative,
6081 zero_extend<mode>di2_speculative_advanced): New patterns for
6082 data and control speculative loads.
6083 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6085 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6086 New pattern for data and control speculation checks.
6087 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6088 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6089 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6090 Auxiliary definitions for the patterns.
6091 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6092 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6094 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6096 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6097 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6098 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6099 New resource constraints.
6100 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6102 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6103 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6104 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6105 msched-in-control-spec, msched-ldc, msched-control-ldc,
6106 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6107 msched-prefer-non-control-spec-insns,
6108 msched-count-spec-in-critical-path): New flags to tune speculative
6110 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6111 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6112 msched-in-control-spec, msched-ldc, msched-control-ldc,
6113 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6114 msched-prefer-non-control-spec-insns,
6115 msched-count-spec-in-critical-path): Document new flags.
6117 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6119 * target.h (struct spec_info_def): New opaque declaration.
6120 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6121 speculate_insn, needs_block_p, gen_check,
6122 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6123 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6124 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6125 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6126 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6127 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6129 (TARGET_SCHED): Use new macros.
6130 * rtl.h (copy_DEPS_LIST_list): New prototype.
6131 * sched-int.h (struct sched_info): Change signature of new_ready field,
6132 adjust all initializations. New fields: add_remove_insn,
6133 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6134 region_head_or_leaf_p.
6135 (struct spec_info_def): New structure declaration.
6136 (spec_info_t): New typedef.
6137 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6138 recovery_block, orig_pat.
6139 (glat_start, glat_end): New variables declaraions.
6140 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6142 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6143 DETACH_LIFE_INFO, USE_GLAT.
6144 (enum SPEC_SCHED_FLAGS): New enumeration.
6145 (NOTE_NOTE_BB_P): New macro.
6146 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6147 attach_life_info, debug_spec_status, check_reg_live): New functions.
6148 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6149 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6151 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6152 * ddg.c (get_block_head_tail): Adjust all uses.
6153 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6154 (sms_sched_info): Initialize new fields.
6155 (contributes_to_priority): Removed.
6156 * haifa-sched.c (params.h): New include.
6157 (get_block_head_tail): Adjust all uses.
6158 (ISSUE_POINTS): New macro.
6159 (glat_start, glat_end): New global variables.
6160 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6161 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6162 old_last_basic_block, before_recovery, current_sched_info_var,
6163 rgn_n_insns, luid): New static variables.
6164 (insn_cost1): New function. Move logic from insn_cost to here.
6165 (find_insn_reg_weight1): New function. Move logic from
6166 find_insn_reg_weight to here.
6167 (reemit_notes, move_insn, max_issue): Change signature.
6168 (move_insn1): Removed.
6169 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6170 extend_bb): New static functions to support extension of scheduler's
6172 (generate_recovery_code, process_insn_depend_be_in_spec,
6173 begin_speculative_block, add_to_speculative_block,
6174 init_before_recovery, create_recovery_block, create_check_block_twin,
6175 fix_recovery_deps): New static functions to support
6176 generation of recovery code.
6177 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6178 restore_bb_notes, move_block_after_check, move_succs): New static
6179 functions to support ebb scheduling.
6180 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6181 functions to support handling of register live information.
6182 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6183 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6184 add_jump_dependencies): New static functions.
6185 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6186 consistancy checking.
6187 (debug_spec_status): New function to call from debugger.
6188 (priority): Added code to handle speculation checks.
6189 (rank_for_schedule): Added code to distinguish speculative instructions.
6190 (schedule_insn): Added code to handle speculation checks.
6191 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6192 Fixed to handle ebbs.
6193 (move_insn): Added code to handle ebb scheduling.
6194 (max_issue): Added code to use ISSUE_POINTS of instructions.
6195 (choose_ready): Added code to choose between speculative and
6196 non-speculative instructions.
6197 (schedule_block): Added code to handle ebb scheduling and scheduling of
6198 speculative instructions.
6199 (sched_init): Initialize new variables.
6200 (sched_finish): Free new variables. Print statistics.
6201 (try_ready): Added code to handle speculative instructions.
6202 * lists.c (copy_DEPS_LIST_list): New function.
6203 * sched-deps.c (extend_dependency_caches): New function. Move logic
6204 from create_dependency_caches to here.
6205 (get_dep_weak, ds_merge): Make global.
6206 * genattr.c (main): Code to output prototype for
6207 dfa_clear_single_insn_cache.
6208 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6209 (output_dfa_clean_insn_cache_func): Code to output
6210 dfa_clear_single_insn_cache function.
6211 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6213 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6215 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6216 New static variables.
6217 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6218 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6220 (ebb_sched_info): Initialize new fields.
6221 (get_block_head_tail): Adjust all uses.
6222 (compute_jump_reg_dependencies): Fixed to use glat_start.
6223 (schedule_ebb): Code to remove unreachable last block.
6224 (schedule_ebbs): Added code to update register live information.
6225 * sched-rgn.c (region_sched_info): Initialize new fields.
6226 (get_block_head_tail): Adjust all uses.
6227 (last_was_jump): Removed. Adjust users.
6228 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6229 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6230 Implement new hooks.
6231 (check_dead_notes1): New static function.
6232 (struct region): New fields: dont_calc_deps, has_real_ebb.
6233 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6234 (BB_TO_BLOCK): Fixed to handle EBBs.
6235 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6236 (ebb_head): New static variable.
6237 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6238 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6240 (compute_dom_prob_ps): New assertion.
6241 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6242 global_live_at_start.
6243 (init_ready_list): New assertions.
6244 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6245 (new_ready): Add support for BEGIN_CONTROL speculation.
6246 (schedule_insns): Fixed code that updates register live information
6248 (schedule_region): Fixed to handle EBBs.
6249 (init_regions): Use extend_regions and check_dead_notes1.
6250 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6251 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6252 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6253 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6254 TARGET_SCHED_GEN_CHECK,
6255 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6256 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6257 * doc/invoke.texi (max-sched-insn-conflict-delay,
6258 sched-spec-prob-cutoff): Document.
6260 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6262 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6263 inter_tick, queue_index.
6264 (struct sched_info): Change signature of init_ready_list field.
6265 Adjust all initializations.
6266 (RESOLVED_DEPS): New access macro.
6267 (ready_add): Remove prototype.
6268 (try_ready): Add prototype.
6269 * sched-rgn.c (init_ready_list): Use try_ready.
6270 (schedule_region): Initialize
6271 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6272 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6273 (init_ready_list): Use try_ready.
6274 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6275 * lists.c (remove_list_elem): Remove `static'.
6276 (remove_free_INSN_LIST_elem): New function.
6277 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6278 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6279 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6281 (readyp): New variable.
6282 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6283 change_queue_index, resolve_dep): New static functions.
6284 (try_ready): New function. Adjust callers in sched-rgn.c and
6285 sched-ebb.c to use it instead of ready_add.
6286 (clock_var): Move at the begining of file.
6287 (rank_for_schedule): Fix typo.
6288 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6289 (ready_lastpos): Enforce assertion.
6290 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6292 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6293 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6294 (queue_to_ready): Use free_INSN_LIST_list.
6295 (early_queue_to_ready): Fix typo.
6296 (schedule_block): Init readyp. Move init_ready_list call after the
6297 initialization of clock_var. Fix error in rejecting insn by
6298 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6299 that previously corrected INSN_TICKs. Add code for handling
6301 (set_priorities): Fix typo.
6302 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6303 Clarify comment and code that keeps current_sched_info->next_tail
6306 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6308 * sched-rgn.c (extend_rgns): New static function.
6309 (find_rgns): Use it.
6310 (gather_region_statistics, print_region_statistics): New static
6312 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6313 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6315 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6316 Andrey Belevantsev <abel@ispras.ru>
6318 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6319 * lists.c (unused_deps_list): New variable.
6320 (free_list): Add assertions to verify the proper distinguishing
6321 between INSN_LISTs and DEPS_LISTs.
6322 (find_list_elem, remove_list_elem, remove_list_node): New static
6324 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6325 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6326 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6327 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6329 (free_INSN_LIST_node): Likewise.
6330 * modulo-sched.c (current_sched_info): Initialize flags field.
6331 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6332 * rtl.def (DEPS_LIST): Define.
6333 * rtl.h: Declare new functions from lists.c.
6334 * sched-deps.c (spec_dependency_cache): New static variable.
6335 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6336 (add_dependence): Change return type to void. Move the logic to ...
6337 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6338 (delete_all_dependences): Add comment about forward_dependency_cache.
6339 Handle spec_dependency_cache. Handle DEPS_LISTs.
6340 (fixup_sched_groups): Clarify the change of priority of output
6341 and anti dependencies.
6342 (sched_analyze_2): Adjust add_dependence calls to create data
6343 speculative dependence.
6344 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6345 Adjust all callers. Handle DEPS_LISTS.
6346 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6347 presence of speculation.
6348 (init_dependency_caches, free_dependency_caches):
6349 Handle spec_dependency_cache.
6350 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6351 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6352 New static functions.
6353 (add_or_update_back_dep, add_or_update_back_forw_dep,
6354 add_back_forw_dep, delete_back_forw_dep): New functions.
6355 * sched-int.h (ds_t, dw_t): New typedefs.
6356 (struct sched_info): Add new field flags.
6357 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6358 Prototype new sched-deps.c functions.
6359 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6360 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6361 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6362 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6363 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6364 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6366 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6368 * sched-rgn.c (current_sched_info): Initialize flags field.
6369 (schedule_insns): Initialize current_sched_info before the sched_init
6371 * sched-ebb.c (current_sched_info): Initialize flags field.
6372 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6373 Call add_or_update_back_dep instead of add_dependence.
6374 Create control speculative dependencies.
6375 (schedule_insns): Initialize current_sched_info before the sched_init
6378 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6380 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6382 (sh_fallback_frame_state): Likewise.
6384 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6386 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6387 Do switch on default_use_cxa_atexit.
6388 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6389 * config/darwin-crt3.o: New.
6390 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6391 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6392 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6394 * config/rs6000/t-darwin: Move crt2.o building to here.
6395 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6396 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6399 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6401 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6402 from '! xxx' to '!xxx' for coding-style conformance.
6403 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6404 (EXTRA_CONSTRAINT): Likewise.
6405 * config/vax/vax.md (four unnamed insns): Likewise.
6407 2006-03-15 Paul Brook <paul@codesourcery.com>
6409 * config/arm/arm.c (minipool_pad): New.
6410 (add_minipool_forward_ref): Include pool alignment padding in address
6412 (push_minipool_fix): Set minipool_pad.
6413 (minipool_pad): Ditto.
6415 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6417 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6418 instead of GET_CODE() == MEM and REG_P() instead of
6420 (print_operand_address): Likewise.
6421 (vax_address_cost): Likewise.
6422 (vax_rtx_costs): Likewise.
6423 (vax_notice_update_cc): Likewise.
6424 (vax_output_int_add): Likewise.
6425 (INDEX_REGISTER_P): Likewise.
6426 (BASE_REGISTER_P): Likewise.
6427 (nonindexed_address_p): Likewise.
6428 (vax_mode_dependent_address_p): Likewise.
6429 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6430 (PRINT_OPERAND): Likewise.
6431 * config/vax/vax.md (ashlsi3): Likewise.
6432 (ashlsi3): Likewise.
6433 (some more unnamed insns): Likewise.
6435 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6437 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6438 iterator-style macro.
6439 (mark_control_dependent_edges_necessary): Update the use of
6440 EXECUTE_IF_CONTROL_DEPENDENT.
6442 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6444 * config/sh/predicates.md (cache_address_operand): Special.
6445 (ua_address_operand): Likewise.
6447 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6449 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6451 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6453 2006-03-15 Andreas Schwab <schwab@suse.de>
6455 * gensupport.c (identify_predicable_attribute): Don't free p_false
6456 when it is still in use.
6458 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6460 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6461 the default setting here.
6463 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6465 * tree-pass.h (pass_cfg): Remove.
6466 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6467 * passes.c (pass_cfg): Don't run it.
6469 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6471 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6472 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6474 (stack_regs_mentioned): Update the uses of
6475 stack_regs_mentioned_data. Don't access the array beyond its
6477 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6478 Don't include gt-reg-stack.h.
6480 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6481 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6483 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6486 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6489 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6491 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6493 2006-03-14 Richard Guenther <rguenther@suse.de>
6495 PR tree-optimization/26672
6496 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6499 2006-03-14 Richard Guenther <rguenther@suse.de>
6501 PR tree-optimization/26667
6502 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6503 node for the callees. Always allow inlining if it will shrink
6506 2006-03-14 Richard Guenther <rguenther@suse.de>
6509 * builtins.c (get_pointer_alignment): Prefer alignment
6510 information from decls over that from types.
6512 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6515 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6517 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6519 * config/rs6000/rs6000.opt (mdlmzb): New option.
6520 (msched-prolog, msched-epilog): Use Var not Mask.
6521 * doc/invoke.texi (-mdlmzb): Document.
6522 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6524 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6525 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6527 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6529 PR rtl-optimization/25739
6530 * bt-load.c (augment_live_range): Free tos pointer.
6532 * gensupport.c (identify_predicable_attribute): Free
6534 * gcov.c (create_file_names): Free name pointer.
6536 2006-03-13 Roger Sayle <roger@eyesopen.com>
6539 * stmt.c (emit_case_nodes): Handle the case where the index is a
6540 CONST_INT, where the comparison mode is specified by the index type.
6542 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6544 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6547 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6549 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6550 (*branch_fp_inverted): Likewise.
6552 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6555 * omp-low.c (expand_omp_for_generic): Mark istart0
6556 and iend0 as addressable.
6558 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6560 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6562 2006-03-13 Jeff Law <law@redhat.com>
6564 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6565 virtual operands are interesting.
6566 (vrp_visit_stmt): Corresponding changes.
6568 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6570 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6572 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6573 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6574 * config/bfin/crti.S: Use it instead of __PIC__.
6575 * config/bfin/crtn.S: Likewise.
6577 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6578 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6580 Lose 'G' modifier for call operand.
6581 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6582 recognize 'G' modifier.
6584 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6587 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6588 * stmt.c (expand_case): Likewise.
6590 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6592 PR rtl-optimization/26254
6593 * loop-invariant.c (seq_insns_valid_p): New function.
6594 (move_invariant_reg): Only emit new code if it is valid.
6596 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6598 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6600 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6601 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6602 (commit_one_edge_insertion): Do not look for loop notes.
6604 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6606 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6607 flag_test_coverage out of loop.
6609 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6611 * final.c (shorten_branches): Remove outdated comment, and turn
6612 the if branch that guards it to continue.
6614 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6616 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6617 * cfgloop.h (struct loop): Remove unused fields.
6619 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6621 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6622 (-dL, -fdump-rtl-loop2): Update the dump file names
6624 * doc/invoke.texi: Update dump file names.
6626 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6628 * predict.c (estimate_probability): Remove.
6629 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6630 * basic-block.h (estimate_probability): Remove prototype.
6631 * passes.c (finish_optimization_passes): Dump branch prediction or
6632 profiling heuristics to the .profile tree dump.
6633 (init_optimization_passes): Unqueue pass_branch_prob.
6635 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6637 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6639 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6640 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6642 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6644 * function.h (frame_offset_overflow): Declare.
6645 * function.c (frame_offset_overflow): New function.
6646 (assign_stack_local_1): Call it to detect that the offset overflows.
6647 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6649 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6651 * config/sh/sh.c: Include alloc-pool.h.
6652 (label_ref_list_pool): New alloc pool.
6653 (label_ref_list_t): New type for lists of labels.
6654 (struct pool_node): Make wend a label_ref_list_t.
6655 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6657 (dump_table): Likewise.
6658 (sh_reorg): Set up the alloc pool before using add_constant and
6659 dump_table, and destroy it when finishing.
6661 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6663 * config/mips/mips.c: Remove redundant comment.
6665 2006-03-10 Jason Merrill <jason@redhat.com>
6668 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6669 the target was declared 'register'.
6671 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6673 * genpreds.c (write_insn_constraint_len): Change definition of
6674 insn_constraint_len to return size_t to match the declaration.
6676 2006-03-10 DJ Delorie <dj@redhat.com>
6678 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6680 (m32c_expand_insv): Fix test for an AND mask.
6682 2006-03-10 Richard Guenther <rguenther@suse.de>
6685 * builtins.c (get_pointer_alignment): Handle component
6686 references for field alignment.
6688 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6690 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6691 when building with libgloss.
6692 (sh*elf): Implement --without-fp option.
6693 (sh64-superh-linux*): Don't multilib.
6695 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6697 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6699 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6701 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6702 Set it when one of the replacement functions returned true.
6703 Return TODO_cleanup_cfg if cfgchanged is true.
6704 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6706 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6708 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6709 instead of gen_lowpart.
6711 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6713 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6715 (mips_output_order_conditional_branch): Declare.
6716 * config/mips/mips.h (MIPS_BRANCH): New macro.
6717 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6718 for the comparison. Use gen_condjump.
6719 (mips_output_conditional_branch): Rework interface to take the
6720 asm templates for a direct branch and the inverse of a direct branch.
6721 (mips_output_order_conditional_branch): New function.
6722 (mips_builtin_branch_and_move): New function.
6723 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6724 branch condition. Use gen_single_cc as the condition for
6725 __builtin_mips_upper_* or __builtin_mips_lower_*.
6726 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6727 Use VOIDmode for the branch condition.
6728 * config/mips/predicates.md (order_operator): New predicate.
6729 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6730 (branch_fp): Rename to...
6731 (*branch_fp): ...this. Remove mode from comparison operator.
6732 Use new mips_output_conditional_branch interface.
6733 (branch_fp_inverted): Rename to...
6734 (*branch_fp_inverted): ...this and update as for *branch_fp.
6735 (*branch_zero<mode>): Rename to...
6736 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6737 Use mips_output_order_conditional_branch. Only accept ordered
6739 (*branch_zero<mode>_inverted): Rename to...
6740 (*branch_order<mode>_inverted): ...this and update as for
6741 *branch_order<mode>.
6742 (*branch_equality<mode>): Accept zero as the second operand to
6743 the equality operator. Use the new mips_output_conditional_branch
6745 (*branch_equality<mode>_inverted): Likewise.
6746 (condjump): New expander.
6747 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6749 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6750 (bc1any2t, bc1any2f): Likewise.
6751 (single_cc): New expander.
6752 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6754 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6756 * doc/md.texi: Update documentation of MIPS constraints.
6757 * config/mips/constraints.md: New file.
6758 * config/mips/mips.md: Include it.
6759 * config/mips/mips.c (mips_char_to_class): Delete.
6760 (override_options): Don't initialize mips_char_to_class.
6761 * config/mips/mips.h (mips_char_to_class): Delete.
6762 (REG_CLASS_FROM_LETTER): Delete.
6763 (CONST_OK_FOR_LETTER_P): Delete.
6764 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6765 (EXTRA_CONSTRAINT_Y): Delete.
6766 (EXTRA_CONSTRAINT_STR): Delete.
6767 (CONSTRAINT_LEN): Delete.
6768 (EXTRA_MEMORY_CONSTRAINT): Delete.
6770 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6772 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6773 original fn's eh regions.
6775 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6777 * fold-const.c (build_range_check): Make sure to use a valid type to
6778 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6781 (range_predecessor): New static function.
6782 (range_successor): Likewise.
6783 (merge_ranges): Use them to compute predecessors and successors of
6786 2006-03-09 Roger Sayle <roger@eyesopen.com>
6789 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6790 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6792 2006-03-08 DJ Delorie <dj@redhat.com>
6794 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6795 (addpsi3): Expand to include memory operands. Remove
6796 reload-specific splits.
6797 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6798 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6799 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6800 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6801 (shift1_qi, shift1_hi, insv): New.
6802 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6803 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6804 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6806 * config/m32c/m32c-protos.h: Update as needed.
6807 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6808 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6809 Fail for unrecognized R* constraints.
6810 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6811 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6812 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6814 (m32c_init_libfuncs): New.
6815 (m32c_legitimate_address_p): Add debug wrapper.
6816 (m32c_rtx_costs): New.
6817 (m32c_address_cost): New.
6818 (conversions): Add 'B' prefix.
6819 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6820 operands, or word regnames for QI operands. 'B' prints bit
6822 (m32c_expand_setmemhi): New.
6823 (m32c_expand_movmemhi): New.
6824 (m32c_expand_movstr): New.
6825 (m32c_expand_cmpstr): New.
6826 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6827 (m32c_expand_neg_mulpsi3): Handle non-ints.
6828 (m32c_cmp_flg_0): New.
6829 (m32c_expand_movcc): New.
6830 (m32c_expand_insv): New.
6831 (m32c_scc_pattern): New.
6832 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6833 a0/a1 out of SIregs.
6834 (STORE_FLAG_VALUE): New.
6835 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6838 * config/m32c/mov.md: Make constraints more liberal.
6839 (zero_extendqihi2): Optimize r0/r1 case.
6840 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6841 * config/m32c/predicates.md (m32c_any_operand): New.
6842 (m32c_nonimmediate_operand): New.
6843 (m32c_hl_operand): New.
6844 (m32c_r3_operand): New.
6847 (memsym_operand): New.
6848 (memimmed_operand): New.
6849 (a_qi_operand): New.
6850 (m32c_eqne_operator): New.
6851 (m32c_1bit8_operand): New.
6852 (m32c_1bit16_operand): New.
6853 (m32c_1mask8_operand): New.
6854 (m32c_1mask16_operand): New.
6855 * config/m32c/blkmov.md: New file.
6856 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6858 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6860 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6861 unsigned to fix signed/unsigned comparison issue in
6862 DWARF2_FRAME_REG_OUT.
6863 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6864 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6866 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6867 of ptr into the ENABLE_CHECKING section.
6869 2006-03-08 Jeff Law <law@redhat.com>
6871 * tree-vrp.c (infer_value_range): Only count pointer uses
6872 and dereferences if -fdelete-null-pointer-checks is enabled.
6874 * tree-vrp.c (find_assert_locations): Infer value ranges for
6875 single use pointers, but do not create ASSERT_EXPRs for them.
6876 When a non-null range is inferred for a pointer, backwards
6877 propagate that range to other equivalent pointers through the
6880 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6883 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6884 language hook targets.
6885 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6886 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6887 if language hook targets were missing.
6889 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6891 * tree-ssa-opfinalize.h: Removed.
6892 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6894 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6895 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6896 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6897 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6898 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6899 finalize_ssa_v_must_def_ops): New.
6901 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6903 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6906 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6908 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6910 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6911 addresses with offsets; reorganize.
6913 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6914 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6915 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6917 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6920 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6922 2006-03-08 Ben Elliston <bje@au.ibm.com>
6924 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6926 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6929 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6932 2006-03-07 Richard Guenther <rguenther@suse.de>
6934 PR tree-optimization/26587
6935 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6937 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6939 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6941 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6943 * hooks.c (hook_bool_mode_rtx_true): New function.
6944 * hooks.h (hook_bool_mode_rtx_true): Declare.
6945 * toplev.c (compile_file): Call output_shared_constant_pool.
6946 * varasm.c (shared_constant_pool): New variable.
6947 (assemble_start_function, assemble_end_function): Remove arguments
6948 from call to output_constant_pool.
6949 (create_constant_pool): New function, split out from...
6950 (init_varasm_status): ...here.
6951 (force_const_mem): Choose between the shared and per-function constant
6952 pools. Set current_function_uses_const_pool when reusing old entries
6953 as well as when creating new ones.
6954 (mark_constant): Ignore data argument.
6955 (mark_constants): Remove pool argument.
6956 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6957 to decide whether the function uses a constant pool.
6958 (output_constant_pool_contents): New function, split out from...
6959 (output_constant_pool): ...here.
6960 (output_shared_constant_pool): New function.
6961 (init_varasm_once): Initialize shared_constant_pool.
6962 * output.h (output_constant_pool): Delete.
6963 (output_shared_constant_pool): Declare.
6964 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6965 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6967 2006-03-06 Nick Clifton <nickc@redhat.com>
6969 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6970 flag_strength_reduce.
6972 2006-03-06 Ben Elliston <bje@au.ibm.com>
6974 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6975 x86_64-*-linux* configurations.
6977 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6978 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6980 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6982 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6984 * basic-block.h: Remove the extern for
6985 rediscover_loops_after_threading.
6987 * cfgloop.c (cancel_loop): Make it static.
6988 * cfgloop.h: Remove the prototype for cancel_loop.
6990 * flow.c (recompute_reg_usage): Make it static.
6991 * rtl.h: Remove the prototype for recompute_reg_usage.
6993 * function.c (use_return_register): Make it static.
6994 * function.h: Remove the prototype.
6996 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6998 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7000 * recog.h: Remove the prototype for
7001 validate_change_maybe_volatile.
7003 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7005 * rtlanal.c (replace_reg): Remove.
7006 * rtl.h: Remove the prototype for replace_reg.
7008 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7010 * regclass.c (reg_scan_update): Remove.
7011 (reg_scan_mark_refs): Remove the last argument.
7012 * rtl.h: Remove the prototype for reg_scan_update.
7014 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7016 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7017 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7018 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7019 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7020 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7021 loop-invariant.c, omp-low.c, opts.c, passes.c,
7022 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7023 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7024 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7025 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7026 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7027 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7029 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7031 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7032 * dwarf2out.h: Remove the prototype for
7033 dwarf2out_add_library_unit_info.
7035 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7037 * tree.c (add_var_to_bind_expr): Remove.
7038 * tree.h: Remove the prototype for add_var_to_bind_expr.
7040 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7042 * regclass.c (n_non_fixed_regs): Remove.
7043 (init_reg_sets_1, globalize_reg): Remove all uses of
7045 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7047 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7049 * rtlanal.c (insns_safe_to_move_p): Remove.
7050 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7052 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7054 * expmed.c (expand_mult_add): Remove.
7055 * expr.h: Remove the prototype for expand_mult_add.
7057 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7059 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7060 and REG_SAVED_VAL_EXP constants.
7061 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7062 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7063 Handle regs stored by value.
7064 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7065 (execute_cfa_program): Handle DW_CFA_val_offset,
7066 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7067 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7068 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7069 (uw_install_context_1): Handle target regs stored by value.
7071 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7073 * tree-sra.c (tree_sra): Return todoflags;
7074 (generate_one_element): Set TODO_update_smt_usage if needed.
7075 (pass_sra): Remove TODO_update_smt_usage.
7076 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7078 (tree_ssa_forward_propagate_single_use_vars): Return
7079 TODO_update_smt_usage if we need to update SMT usage.
7080 (pass_forwprop): Remove TODO_update_smt_usage.
7082 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7084 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7085 (correct_use_link): Remove reference to get_stmt_operands.
7086 (update_stmt_operands): Likewise.
7087 (get_modify_expr_operands): New function factored out of
7088 parse_ssa_operands and get_expr_operands.
7089 Try to create V_MUST_DEFs for LHS by default.
7090 (get_expr_operands) <case MODIFY_EXPR>: Call
7091 get_modify_expr_operands.
7092 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7093 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7094 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7095 get_modify_expr_operands.
7097 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7099 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7100 * tree-flow.h: Remove the prototype for
7101 referenced_var_lookup_if_exists.
7103 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7105 PR rtl-optimization/26345
7107 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7109 2006-03-03 Roger Sayle <roger@eyesopen.com>
7111 PR tree-optimization/26524
7112 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7113 fold_convert to create a constant of the appropriate type.
7115 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7117 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7118 SYMBOL_REF_IN_BLOCK_P.
7119 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7120 of SYMBOL_FLAG_IN_BLOCK.
7121 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7122 instead of SYMBOL_REF_IN_BLOCK_P.
7123 * explow.c (use_anchored_address): Likewise.
7124 * rtl.c (rtx_size): Likewise.
7125 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7126 instead of SYMBOL_FLAG_IN_BLOCK.
7127 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7128 SYMBOL_REF_IN_BLOCK_P.
7129 (assemble_variable): Likewise.
7130 (output_constant_def_contents): Likewise.
7131 (output_constant_pool): Likewise.
7132 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7133 instead of SYMBOL_FLAG_IN_BLOCK.
7134 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7135 SYMBOL_REF_IN_BLOCK_P.
7136 (SYMBOL_REF_BLOCK): Likewise.
7137 (SYMBOL_REF_OFFSET): Likewise.
7138 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7139 SYMBOL_REF_IN_BLOCK_P.
7140 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7141 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7142 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7143 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7145 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7147 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7149 2006-03-02 Roger Sayle <roger@eyesopen.com>
7151 * simplify-rtx.c (simplify_unary_operation): When simplifying
7152 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7153 that we perform the right shift in the appropriate mode, and
7154 then extend or truncate the result to requested mode.
7156 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7158 * gengtype.c (main): Handle double_int type.
7159 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7160 * double-int.c: New file.
7161 * double-int.h: New file.
7162 * system.h: Include doubleint.h.
7163 * Makefile.in (SYSTEM_H): Include double-int.h.
7164 (double-int.o): Add.
7166 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7169 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7172 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7174 * tree-vrp.c (remove_range_assertions): Do not update statements
7177 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7179 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7181 * gcse.c (rest_of_handle_gcse): Ditto.
7182 * except.c (gate_handle_eh): Ditto.
7183 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7184 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7186 2006-03-02 Eric Christopher <echristo@apple.com>
7188 * config/i386/i386.c (machopic_output_stub): Add indirection to
7191 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7195 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7197 Sun Niagara specific optimizations.
7198 * config.gcc: Recognize niagara as target.
7199 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7200 (TARGET_CPU_niagara): Define.
7201 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7202 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7203 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7204 (ASM_CPU_SPEC): Likewise.
7205 (PROCESSOR_NIAGARA): New enum entry.
7206 (REGISTER_MOVE_COST): Handle Niagara.
7207 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7208 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7209 (sparc_override_options): Recognize "niagara", set appropriate
7210 default MASK_* values for it, and align functions to 32-bytes
7211 by default just like ULTRASPARC/ULTRASPARC3.
7212 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7213 (sparc64_initialize_trampoline): Likewise.
7214 (sparc_use_sched_lookahead): Use zero for niagara.
7215 (sparc_issue_rate): Use one for niagara.
7216 * config/sparc/niagara.md: New file.
7217 * config/sparc/sparc.md: Include it.
7218 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7219 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7220 when default cpu is niagara.
7221 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7222 (ASM_CPU_SPEC): Likewise.
7223 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7224 when default cpu is niagara.
7225 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7226 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7227 just like v9/ultrasparc/ultrasparc3.
7228 * doc/invoke.texi: Add documentation for "niagara" and improve
7229 existing documentation for ultrasparc variants.
7231 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7233 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7235 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7237 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7238 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7239 and say that only one is needed.
7240 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7241 * target.h (have_switchable_bss_sections): New hook.
7242 * explow.c (use_anchored_address): Check that the symbol is in a block.
7243 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7244 (bss_noswitch_section): New variables.
7245 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7246 (get_noswitch_section): New function.
7247 (get_block_for_section): Allow SECT to be null.
7248 (unlikely_text_section_p): Use SECTION_STYLE.
7249 (bss_initializer_p): New function.
7250 (get_variable_section): Move earlier in file. Take a new argument,
7251 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7252 Return one of the new *_sections in such cases.
7253 (get_block_for_decl): New function, extracting some logic from
7254 use_blocks_for_decl_p.
7255 (change_symbol_section): Remove in favor of...
7256 (change_symbol_block): ...this new function.
7257 (use_blocks_for_decl_p): Remove checks now performed by
7259 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7260 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7261 (emit_local, emit_bss, emit_common): ...these new functions.
7262 Return true if the alignment was honored.
7263 (emit_tls_common): New function.
7264 (asm_emit_uninitialised): Delete.
7265 (assemble_variable_noswitch): New function, split out from...
7266 (assemble_variable): ...here. Don't make decisions about common
7267 variables here. Globalize all public decls that go into non-common
7268 sections. Check whether SYMBOL_REF_BLOCK is null.
7269 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7270 (output_constant_pool): Likewise.
7271 (init_varasm_once): Initialize the new section variables.
7272 (have_global_bss_p): New function.
7273 (categorize_decl_for_section): Use bss_initializer_p.
7274 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7275 (place_block_symbol): Assert that the symbol must be in a block.
7276 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7277 (TARGET_INITIALIZER): Include it.
7278 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7279 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7280 (SECTION_MACH_DEP): Bump by two.
7281 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7282 (unnamed_section): Mention SECTION_UNNAMED in comment.
7283 (named_section): Likewise SECTION_NAMED.
7284 (noswitch_section_callback): New type.
7285 (noswitch_section): New structure.
7286 (section): Add a noswitch_section alternative.
7287 (SECTION_STYLE): New macro.
7288 (tls_comm_section, comm_section, lcomm_section): Declare.
7289 (bss_noswitch_section, have_global_bss_p): Declare.
7290 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7291 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7293 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7294 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7297 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7299 * tree-vrp.c (execute_vrp): Return value.
7300 * regrename.c (rest_of_handle_regrename): Ditto.
7301 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7302 * tree-complex.c (tree_lower_complex): Ditto.
7303 (tree_lower_complex_O0): Ditto.
7304 * tracer.c (rest_of_handle_tracer): Ditto.
7305 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7306 * postreload.c (rest_of_handle_postreload): Ditto.
7307 * tree-tailcall.c (execute_tail_recursion): Ditto.
7308 (execute_tail_calls): Ditto.
7309 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7310 * tree.h (init_function_for_compilation): Ditto.
7311 * ipa-cp.c (ipcp_driver): Ditto.
7312 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7313 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7314 * final.c (compute_alignments): Ditto.
7315 (rest_of_handle_final): Ditto.
7316 (rest_of_handle_shorten_branches): Ditto.
7317 (rest_of_clean_state): Ditto.
7318 * omp-low.c (execute_expand_omp): Ditto.
7319 (execute_lower_omp): Ditto.
7320 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7321 * ipa-reference.c (static_execute): Ditto.
7322 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7323 * reorg.c (rest_of_handle_delay_slots): Ditto.
7324 (rest_of_handle_machine_reorg): Ditto.
7325 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7326 * flow.c (recompute_reg_usage): Ditto.
7327 (rest_of_handle_remove_death_notes): Ditto.
7328 (rest_of_handle_life): Ditto.
7329 (rest_of_handle_flow2): Ditto.
7330 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7331 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7332 (do_ssa_store_ccp): Ditto.
7333 (execute_fold_all_builtins): Ditto.
7334 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7335 * modulo-sched.c (rest_of_handle_sms): Ditto.
7336 * ipa-pure-const.c (static_execute): Ditto.
7337 * cse.c (rest_of_handle_cse): Ditto.
7338 (rest_of_handle_cse2): Ditto.
7339 * web.c (rest_of_handle_web): Ditto.
7340 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7341 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7342 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7343 * tree-nrv.c (tree_nrv): Ditto.
7344 (execute_return_slot_opt): Ditto.
7345 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7346 (create_structure_vars): Ditto.
7347 * loop-init.c (rtl_loop_init): Ditto.
7348 (rtl_loop_done): Ditto.
7349 (rtl_move_loop_invariants): Ditto.
7350 (rtl_unswitch): Ditto.
7351 (rtl_unroll_and_peel_loops): Ditto.
7352 (rtl_doloop): Ditto.
7353 * gimple-low.c (lower_function_body): Ditto.
7354 (mark_used_blocks): Ditto.
7355 * tree-ssa-sink.c (execute_sink_code): Ditto.
7356 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7357 (cgraph_early_inlining): Ditto.
7358 * global.c (rest_of_handle_global_alloc): Ditto.
7359 * jump.c (cleanup_barriers): Ditto.
7360 (purge_line_number_notes): Ditto.
7361 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7362 (rest_of_handle_if_after_reload): Ditto.
7363 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7364 (tree_ssa_loop_im): Ditto.
7365 (tree_ssa_loop_unswitch): Ditto.
7366 (tree_vectorize): Ditto.
7367 (tree_linear_transform): Ditto.
7368 (tree_ssa_loop_ivcanon): Ditto.
7369 (tree_ssa_empty_loop): Ditto.
7370 (tree_ssa_loop_bounds): Ditto.
7371 (tree_complete_unroll): Ditto.
7372 (tree_ssa_loop_prefetch): Ditto.
7373 (tree_ssa_loop_ivopts): Ditto.
7374 (tree_ssa_loop_done): Ditto.
7375 * predict.c (tree_estimate_probability): Ditto.
7376 * recog.c (split_all_insns_noflow): Ditto.
7377 (rest_of_handle_peephole2): Ditto.
7378 (rest_of_handle_split_all_insns): Ditto.
7379 * tree-eh.c (lower_eh_constructs): Ditto.
7380 * regmove.c (rest_of_handle_regmove): Ditto.
7381 (rest_of_handle_stack_adjustments): Ditto.
7382 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7383 * function.c (instantiate_virtual_regs): Ditto.
7384 (init_function_for_compilation): Ditto.
7385 (rest_of_handle_check_leaf_regs): Ditto.
7386 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7387 (rest_of_handle_gcse): Ditto.
7388 * ipa-type-escape.c (type_escape_execute): Ditto.
7389 * alias.c (rest_of_handle_cfg): Ditto.
7390 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7391 * profile.c (rest_of_handle_branch_prob): Ditto.
7392 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7393 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7394 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7395 * tree-dfa.c (find_referenced_vars): Ditto.
7396 * except.c (set_nothrow_function_flags): Ditto.
7397 (convert_to_eh_region_ranges): Ditto.
7398 (rest_of_handle_eh): Ditto.
7399 * emit-rtl.c (unshare_all_rtl): Ditto.
7400 (remove_unnecessary_notes): Ditto.
7401 * except.h (set_nothrow_function_flags): Ditto.
7402 (convert_to_eh_region_ranges): Ditto.
7403 * cfgexpand.c (tree_expand_cfg): Ditto.
7404 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7405 * tree-ssa-pre.c (do_pre): Ditto.
7406 (execute_fre): Ditto.
7407 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7408 (rest_of_handle_jump2): Ditto.
7409 * tree-sra.c (tree_sra): Ditto.
7410 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7411 (execute_mudflap_function_decls): Ditto.
7412 * tree-ssa-copy.c (do_copy_prop): Ditto.
7413 (do_store_copy_prop): Ditto.
7414 * ipa-prop.h (ipcp_driver): Ditto.
7415 * cfglayout.c (insn_locators_initialize): Ditto.
7416 * tree-ssa-forwprop.c
7417 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7418 * cfglayout.h (insn_locators_initialize): Ditto.
7419 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7420 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7421 (execute_late_warn_uninitialized): Ditto.
7422 * rtl.h (cleanup_barriers): Ditto.
7423 (split_all_insns_noflow): Ditto.
7424 (purge_line_number_notes): Ditto.
7425 (unshare_all_rtl): Ditto.
7426 (remove_unnecessary_notes): Ditto.
7427 (recompute_reg_usage): Ditto.
7428 (variable_tracking_main): Ditto.
7429 * integrate.c (emit_initial_value_sets): Ditto.
7430 * integrate.h (emit_initial_value_sets): Ditto.
7431 * tree-optimize.c (execute_free_datastructures): Ditto
7432 (execute_free_cfg_annotations): Ditto.
7433 (execute_fixup_cfg): Ditto.
7434 (execute_cleanup_cfg_pre_ipa): Ditto.
7435 (execute_cleanup_cfg_post_optimizing): Ditto.
7436 (execute_init_datastructures): Ditto.
7437 * tree-object-size.c (compute_object_sizes): Ditto.
7438 * combine.c (rest_of_handle_combine): Ditto.
7439 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7440 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7441 (rest_of_handle_reorder_blocks): Ditto.
7442 (rest_of_handle_partition_blocks): Ditto.
7443 * var-tracking.c (variable_tracking_main): Ditto.
7444 * tree-profile.c (tree_profiling): Ditto.
7445 * tree-vect-generic.c (expand_vector_operations): Ditto.
7446 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7447 * sched-rgn.c (rest_of_handle_sched): Ditto.
7448 (rest_of_handle_sched2): Ditto.
7449 * basic-block.h (free_bb_insn): Ditto.
7450 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7451 * tree-cfg.c (execute_build_cfg): Ditto.
7452 (remove_useless_stmts): Ditto.
7453 (split_critical_edges): Ditto.
7454 (execute_warn_function_return): Ditto.
7455 (execute_warn_function_noreturn): Ditto.
7456 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7457 * cfgrtl.c (free_bb_for_insn): Ditto.
7458 * passes.c (execute_one_pass): Run additional
7459 todos returned by execute function.
7460 * tree-pass.h (struct tree_opt_pass): Make execute
7463 2006-03-02 Richard Guenther <rguenther@suse.de>
7465 * tree-ssa-alias.c (find_used_portions): Consider taking
7466 the address as making the variable not write-only.
7468 2006-03-02 Nick Clifton <nickc@redhat.com>
7470 * config.gcc (default_use_cxa_atexit): Extend the description of
7471 this configure variable. Set its default value to "yes" for
7472 Linux, NetBSD and ELF targets on the assumption that they will
7473 use C libraries with the __cxa_atexit function.
7475 2006-03-02 Ben Elliston <bje@au.ibm.com>
7477 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7478 parameter as unused to suppress a build warning.
7480 2006-03-02 Ben Elliston <bje@au.ibm.com>
7482 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7485 2006-03-01 Roger Sayle <roger@eyesopen.com>
7488 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7489 declared name, the weak reference name, and the typeof name.
7490 (__gthrw): Avoid expanding the declared name suffix.
7491 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7493 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7495 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7497 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7498 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7499 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7500 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7501 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7502 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7503 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7504 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7505 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7506 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7507 (DW_END_default, DW_END_big, DW_END_little): New.
7508 (DW_END_lo_user, DW_END_hi_user): Define.
7509 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7510 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7511 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7514 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7516 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7518 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7520 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7522 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7524 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7525 to 'symbol_mem_tag'.
7527 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7530 2006-03-01 Roger Sayle <roger@eyesopen.com>
7532 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7534 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7537 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7538 MACHO_DYNAMIC_NO_PIC_P.
7539 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7541 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7544 * config/darwin-protos.h (darwin_asm_output_anchor):
7546 * config/darwin-sections.def (cstring_section):
7547 Add SECTION_MERGE to the flags.
7548 (literal4_section): Likewise.
7549 (literal8_section): Likewise.
7550 (objc_selector_refs_section): Likewise.
7551 (objc_cls_refs_section): Likewise.
7552 * config/darwin.c (darwin_asm_output_anchor): New
7554 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7556 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7558 Fix PR tree-optimization/26443
7559 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7560 to todo and PROP_tmt_usage to properties_destroyed.
7561 * tree-ssa-ccp.c (pass_ccp): Ditto.
7562 (pass_store_ccp): Ditto.
7563 * tree-ssa-dom.c (pass_dominator): Ditto.
7565 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7567 * tree-ssa-operands.c: Cleanup whitespace.
7568 (get_asm_expr_operands): Move before first invocation.
7569 (get_indirect_ref_operands): Likewise.
7570 (get_tmr_operands): Likewise.
7571 (get_call_expr_operands): Likewise.
7572 (append_def): Likewise.
7573 (append_use): Likewise.
7574 (append_v_may_def): Likewise.
7575 (append_v_must_def): Likewise.
7576 (add_call_clobber_ops): Likewise.
7577 (add_call_read_ops): Likewise.
7578 (add_stmt_operand): Likewise.
7579 (add_virtual_operand): Likewise.
7580 (build_ssa_operands): Likewise.
7582 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7587 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7588 with a call expr to ...
7589 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7591 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7593 * tree-vrp.c (extract_range_from_assert): Remove special
7594 handling for types with super-types.
7596 2006-03-01 Ben Elliston <bje@au.ibm.com>
7598 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7599 and powerpc64-*-linux* configurations.
7600 * config/t-dfprules: New file.
7602 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7603 Compile dfp-bit.c from the source directory using -DWIDTH and
7604 $DFP_CFLAGS to control the compilation of that file, rather than
7605 generating width-specific versions in the build directory.
7606 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7607 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7609 2006-02-28 Zack Weinberg <zackw@panix.com>
7611 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7614 2006-02-28 Eric Christopher <echristo@apple.com>
7616 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7617 Set up IN_LIBGCC definition of TARGET_64BIT.
7618 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7620 2006-02-28 Roger Sayle <roger@eyesopen.com>
7623 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7624 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7625 cases via the construction of "expr != 0".
7627 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7629 * alias.c (alias_invariant, alias_invariant_size): Remove.
7630 (record_base_value): Remove.
7631 (memrefs_conflict_p): Don't look at alias_invariant.
7632 (end_alias_analysis): Don't free it.
7633 * alias.h (record_base_value): Remove prototype.
7635 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7636 Adam Nemet <anemet@caviumnetworks.com>
7638 * rtl.h (truncated_to_mode): Declare it.
7639 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7640 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7641 (RTL_HOOKS_INITIALIZER): Include it.
7642 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7643 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7644 reg_truncated_to_mode.
7645 * rtlanal.c (truncated_to_mode): Define it.
7646 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7648 2006-02-28 Jeff Law <law@redhat.com>
7650 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7651 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7652 the range allowed by TYPE_PRECISION.
7654 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7656 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7658 PR tree-optimization/26419
7659 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7662 2006-02-27 Zack Weinberg <zackw@panix.com>
7664 * doc/md.texi: Fix typo in previous change.
7666 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7670 2006-02-27 Zack Weinberg <zackw@panix.com>
7672 * rtl.def (define_constraint, define_register_constraint)
7673 (define_memory_constraint, define_address_constraint): New MD forms.
7674 * gensupport.c (process_rtx): Put define_constraint etc on the
7676 * genpreds.c (process_define_predicate): Adjust comment. Validate
7677 the name, and call validate_exp to validate the expression.
7678 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7679 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7680 all callers changed.
7681 (validate_exp, needs_variable, struct constraint_data)
7682 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7683 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7684 (const_dbl_constraints, constraint_max_namelen)
7685 (have_register_constraints, have_memory_constraints)
7686 (have_address_constraints, have_address_constraints)
7687 (have_extra_constraints, have_const_int_constraints)
7688 (have_const_dbl_constraints, mangle, add_constraint)
7689 (process_define_constraint, process_define_register_constraint)
7690 (write_enum_constraint_num, write_lookup_constraint)
7691 (write_insn_constraint_len, write_regclass_for_constraint)
7692 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7693 (write_insn_extra_memory_constraint)
7694 (write_insn_extra_address_constraint)
7695 (write_satisfies_constraint_fns): New.
7696 (write_tm_preds_h): If we have new-style constraint definitions,
7697 prototype the functions generated from them, and define the
7698 old constraint interface (still used by generic code) in terms of
7700 (write_insn_preds_c): If we have new-style constraint definitions,
7701 generate all relevant functions from those definitions.
7702 (main): Handle define_constraint etc.
7703 * genoutput.c (struct constraint_data, indep_constraints)
7704 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7705 (mdep_constraint_len): New data structures and functions, defined
7706 #ifdef USE_MD_CONSTRAINTS.
7707 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7708 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7709 use new logic to validate operand constraints against constraint
7711 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7713 * defaults.h: If none of the old-style constraint macros are
7714 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7715 old-style macros; and poison REG_CLASS_FROM_LETTER,
7716 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7718 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7719 * doc/md.texi: Document new constraint-definition mechanism and the
7720 C interface it provides. Remove references to old mechanism
7721 elsewhere in the document.
7722 (Machine Constraints): Use pathnames relative to gcc directory,
7723 i.e. config/ARCH/FILE. Change i386 section to refer to
7724 config/i386/predicates.md; update that section to match docstrings.
7725 * doc/tm.texi: Move all documentation of the old constraint-
7726 definition macros to their own section, clearly mark as obsolete.
7728 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7729 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7731 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7732 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7733 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7735 (splits and peepholes): Use satisfies_constraint_*.
7736 * config/i386/i386.c (memory_address_length)
7737 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7739 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7741 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7742 scalar operation to be put back into the loop.
7744 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7747 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7748 (extract_cie_info): Handle S flag in augmentation string.
7749 (execute_cfa_program): If context->signal_frame, execute also
7750 fs->pc == context->ra instructions.
7751 (uw_frame_state_for): If context->signal_frame, don't subtract one
7752 from context->ra to find FDE.
7753 (uw_update_context_1): Set context->signal_frame to
7755 (_Unwind_GetIPInfo): New function.
7756 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7757 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7759 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7760 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7761 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7762 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7763 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7764 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7765 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7766 x86_64_fallback_frame_state): Set fs->signal_frame.
7767 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7768 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7769 (frob_update_context): Likewise. Workaround missing S flag in
7770 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7771 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7772 Remove the psw_addr + 1 hack.
7774 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7776 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7777 with aggregates here.
7778 (find_func_aliases): Remove code for &<aggregate> from here.
7780 2006-02-26 Roger Sayle <roger@eyesopen.com>
7782 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7783 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7784 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7787 2006-02-26 Roger Sayle <roger@eyesopen.com>
7790 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7792 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7794 * opts.c (decode_options): Do not handle flag_strength_reduce.
7795 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7796 and OPT_fstrength_reduce.
7797 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7798 flag_prefetch_loop_arrays for being nonzero.
7799 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7801 (fprefetch-loop-arrays-rtl): Removed.
7802 (flag_prefetch_loop_arrays): Do not specify the value.
7804 * doc/passes.texi: Update documentation of loop optimizer
7806 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7807 -frerun-loop-opt): Remove.
7809 2006-02-26 Richard Guenther <rguenther@suse.de>
7811 PR tree-optimization/26421
7812 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7813 in function calls that are ADDR_EXPRs as using the whole structure.
7815 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7817 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7818 * tree-pass.h (pass_loop_optimize): Remove.
7819 * passes.c (pass_loop_optimize): Never run it.
7820 * toplev.c (backend_init): Don't call init_loop.
7821 * opts.c (flag_loop_optimize_set): Remove.
7822 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7823 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7824 the old RTL loop optimizer when profiling enabled.
7825 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7826 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7827 pre-headers for the sake of the old RTL loop optimizer.
7828 * Makefile.in: Remove all references to loop.o.
7830 * doc/invoke.texi: Remove all references to -floop-optimize
7831 and -frerun-loop-opt.
7833 2006-02-26 Zack Weinberg <zackw@panix.com>
7835 * doc/md.texi (Machine Constraints): Refer to all files with paths
7836 relative to gcc directory (i.e. config/CPU/file). Add missing
7837 @table @code ... @end table to M32C subsection.
7839 2006-02-26 Roger Sayle <roger@eyesopen.com>
7841 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7843 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7845 2006-02-26 Roger Sayle <roger@eyesopen.com>
7846 James A. Morrison <phython@gcc.gnu.org>
7849 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7850 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7851 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7852 signedness of the shift operation.
7854 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7856 PR tree-optimization/26359
7857 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7859 2006-02-25 Roger Sayle <roger@eyesopen.com>
7861 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7862 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7863 as X == 0, and some symmetry related transformations.
7864 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7866 2006-02-25 Roger Sayle <roger@eyesopen.com>
7869 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7870 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7871 symmetry related transformations. Fold (X^C1) == C2 as
7874 2006-02-25 Juergen Weigert <jw@suse.de>
7875 Richard Guenther <rguenther@suse.de>
7877 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7879 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7881 * combine.c (gen_lowpart_or_truncate): Call
7882 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7884 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7886 * doc/invoke.texi: Move -fopenmp description to "Options for
7888 Remove reference to -lgomp.
7890 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7892 * doc/install.texi: Require GNU tar version 1.14.
7894 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7896 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7897 * doc/invoke.texi (C++ Dialect Options): Document
7898 -fno-use-cxa-get-exception-ptr.
7899 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7900 * configure: Regenerate.
7901 * c.opt (fuse-cxa-get-exception-ptr): New.
7902 * c-opts.c (c_common_handle_option): Handle
7903 OPT_fuse_cxa_get_exception_ptr.
7904 * c-common.c (flag_use_cxa_atexit): Update documentation.
7905 (flag_use_cxa_get_exception_ptr): New.
7906 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7907 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7909 (C_COMMON_OVERRIDE_OPTIONS): New.
7911 2006-02-24 Roger Sayle <roger@eyesopen.com>
7914 * combine.c (try_combine): Explicitly check whether GET_CODE is
7915 a SET or a CLOBBER, instead on checking that it isn't a USE.
7917 2006-02-24 Roger Sayle <roger@eyesopen.com>
7919 * fold-const.c (fold_comparison): New subroutine of fold_binary
7920 containing transformations common to both the equality and
7921 ordering relational operators, factored out of fold_binary.
7922 (fold_binary): Separate out the equality operators (EQ_EXPR
7923 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7924 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7925 transformations common to both.
7926 (fold_div_compare): Fix latent bugs in the previously unreachable
7927 LT_EXPR and GE_EXPR cases.
7929 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7931 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7932 decl libname for clog to __clog on AIX.
7934 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7936 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7939 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7940 output traceback table for thunks. Localise rs6000_stack_info call.
7942 2006-02-23 Roger Sayle <roger@eyesopen.com>
7943 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7945 * gthr-posix.h (__gthrw): Fix typo in comment.
7947 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7949 * doc/cpp.texi (Character sets): Document that we do support
7950 input files to be in any character set.
7952 2006-02-23 Jeff Law <law@redhat.com>
7954 * tree.h (PHI_ARG_NONZERO): Remove.
7955 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7956 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7957 node to the new node.
7959 PR tree-optimization/26425
7960 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7961 min/max, then assume its varying.
7963 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7965 PR rtl-optimization/26316
7966 * rtlanal.c (enum may_trap_p_flags): New.
7967 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7968 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7969 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7970 (may_trap_after_code_motion_p): New function.
7971 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7972 (find_invariant_insn): Use may_trap_after_code_motion_p.
7973 * rtl.h (may_trap_after_code_motion_p): Declare.
7975 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7977 * emit-rtl.c (immed_double_const): Cleanup.
7979 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7981 Fix PR tree-optimization/26376
7982 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7985 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7988 * gimplify.c (omp_add_variable): Guard variable size decl test with
7989 DECL_SIZE (decl) check.
7991 2006-02-23 Richard Guenther <rguenther@suse.de>
7994 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7995 like aggregate types.
7997 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7999 * configure.ac: Add --with{,out}-long-double-128 configure option.
8000 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8001 * configure: Rebuilt.
8002 * config.in: Rebuilt.
8003 * doc/install.texi (Options specification): Document
8004 --with-long-double-128.
8006 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8007 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8008 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8009 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8011 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8013 * config/s390/s390.c (override_options): Handle
8014 TARGET_DEFAULT_LONG_DOUBLE_128.
8016 * config/alpha/alpha.c (override_options): Handle
8017 TARGET_DEFAULT_LONG_DOUBLE_128.
8019 * config/sparc/sparc.c (sparc_override_options): Handle
8020 TARGET_DEFAULT_LONG_DOUBLE_128.
8022 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8024 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8025 (real-install-headers-tar, real-install-headers-cpio)
8026 (real-install-headers-cp): New targets.
8028 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8030 * tree.h (variable_section): Delete.
8031 * varasm.c (variable_section): Delete.
8033 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8035 * install.texi: Add notes on install.texi2html.
8036 (Building in parallel): Do not use footnotes.
8038 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8041 * doc/install.texi (Configuration): Document --disable-libgomp.
8043 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8045 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8047 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8049 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8050 (vec_extractv2df_0_sse): New.
8052 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8054 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8055 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8056 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8057 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8058 to the result of the expression.
8059 (def_cfa_1): Adjust.
8060 (frame_pointer_cfa_offset): Rename to...
8061 (frame_pointer_fb_offset): ... this. Adjust all uses.
8062 (convert_cfa_to_loc_list): Rename to...
8063 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8064 Pass it on to build_cfa_loc.
8065 (compute_frame_pointer_to_cfa_displacement): Rename to...
8066 (compute_frame_pointer_to_fb_displacement): ... this. New
8067 offset parameter. Use it in computation.
8068 (gen_subprogram_die): Compute cfa_fb_offset with the new
8069 macro, and use it to compute the fb loc list and the
8072 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8074 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8075 replaced with register_operand.
8076 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8077 non-DREG is expensive.
8078 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8079 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8082 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8084 * doc/install.texi2html: Use set -e.
8086 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8088 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8089 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8090 * doc/invoke.texi (-fshared-data): Delete.
8091 * common.opt (fshared-data): Delete.
8092 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8093 (assemble_static_space): Remove #if 0 code.
8094 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8095 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8096 * config/cris/cris.h: Remove FIXME.
8098 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8100 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8103 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8106 * combine.c (simplify_shift_const_1): Disable nested shifts
8107 optimization for vector shifts.
8109 2006-02-20 Roger Sayle <roger@eyesopen.com>
8111 PR tree-optimization/26361
8112 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8113 of unsigned integer types.
8115 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8117 * tree-chrec.c (eq_evolutions_p): New.
8118 * tree-chrec.h (eq_evolutions_p): Declared.
8119 * tree-data-ref.c: Fix formatting.
8120 (datadep_stats, dependence_stats): New.
8122 (print_direction_vector): New.
8123 (dump_data_dependence_relation): Use print_direction_vector.
8124 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8125 (compute_subscript_distance): Static.
8126 (initialize_data_dependence_relation): Static. Get the number
8127 of loops surrounding the references from the callers, and initialize
8128 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8129 base_object_differ_p analyzers.
8130 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8131 compute_overlap_steps_for_affine_1_2,
8132 analyze_subscript_affine_affine): Count the classified dependences.
8133 Print a message when a test failed.
8134 (can_use_analyze_subscript_affine_affine): New.
8135 (analyze_siv_subscript): Compute the data dependences on symbolic
8136 scevs that verify can_use_analyze_subscript_affine_affine.
8137 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8138 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8139 Handle symbolic scevs.
8140 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8142 (subscript_dependence_tester): Moved...
8143 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8144 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8145 DDR_SIZE_VECT instead of getting it in parameter.
8146 (subscript_dependence_tester): ... here. Take as a parameter
8147 loop_nest_depth. Call build_classic_dist_vector and
8148 build_classic_dir_vector.
8149 (compute_affine_dependence): Update subscript_dependence_tester
8150 parameters. Update datadep_stats counters. Call
8151 compute_subscript_distance.
8152 (compute_self_dependence): Save the dist and dir vectors. Call
8153 compute_subscript_distance.
8154 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8155 (compute_all_dependences): Reorder parameters as they were before
8156 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8157 compute_subscript_distance. Update the use of
8158 compute_affine_dependence and initialize_data_dependence_relation.
8159 (find_data_references_in_loop): Handle COMPONENT_REF.
8160 (compute_data_dependences_for_loop): Initialize dependence_stats.
8161 Don't call build_classic_dist_vector and build_classic_dir_vector.
8162 Update the parameters of initialize_data_dependence_relation and
8163 compute_all_dependences. Print the statistics from datadep_stats.
8164 (analyze_all_data_dependences): Static. Not used until the pass for
8165 checking the data dependences is contributed.
8166 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8167 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8168 (initialize_data_dependence_relation, compute_affine_dependence,
8169 analyze_all_data_dependences, compute_subscript_distance): Removed.
8170 (print_direction_vector): New.
8171 * lambda.h (gcd): ... here.
8172 (lambda_vector_gcd): Moved here from gcd_vector.
8173 * lambda-code.c (gcd, gcd_vector): Removed.
8174 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8175 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8177 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8179 * ipa-type-escape.c: Tidy some comments and white space.
8180 * tree-ssa-operands.c: Likewise.
8182 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8185 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8186 (dump_decl_name): Do not walk the decl tree chains.
8187 * tree-pass.h (TDF_CHAIN): Remove.
8189 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8191 * Makefile.in (C): Remove
8193 (.PHONY): Remove C and PROTO
8195 2006-02-20 Roger Sayle <roger@eyesopen.com>
8198 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8199 deprecated CHAR_TYPE tree code.
8201 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8203 * configure.ac (target_list): Add install-info, dvi, html.
8204 * configure: Regenerate.
8206 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8207 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8208 treelang/Make-lang.in: Do not use double-colon rules.
8210 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8212 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8213 (TMT_USED_ALONE): New macro.
8214 * tree-pass.h (PROP_tmt_usage): New property.
8215 (TODO_update_tmt_usage): New todo.
8216 * tree-ssa-alias.c (updating_used_alone): New variable.
8217 (recalculate_used_alone): New function.
8218 (compute_may_aliases): Set updating_used_alone, call
8219 recalculate_used_alone.
8220 * tree-sra.c (pass_sra): Note that this pass destroys
8221 PROP_tmt_usage, and add TODO_update_tmt_usage.
8222 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8223 * tree-flow.h (updating_used_alone): Prototype.
8224 (recalculate_used_alone): Ditto.
8225 * passes.c (execute_todo): Add code to set updating_used_alone,
8226 and call recalculate.
8227 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8228 for clobber if used alone, and add assert to verify used_alone
8231 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8233 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8234 for non tls symbols added.
8235 (legitimize_address): Do nothing for PLUS expressions if one of the
8236 addends is a tls symbol reference.
8238 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8242 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8244 * Makefile.in (BOOTSTRAPPING): New.
8245 (quickstrap): New definition if BOOTSTRAPPING=yes.
8247 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8248 * configure.ac: Substitute all_selected_languages with the languages
8249 that were configured. For all the other variables except
8250 lang_specs_files, include all the languages in the tree.
8251 * configure: Regenerate.
8253 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8254 if there is one. Run the commands to run fixincludes in the same
8257 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8258 * doc/install.texi: Document exact conventions for searching target tools.
8259 Document --with-build-time-tools. Document toplevel bootstrap. Document
8260 something more about building an Ada cross-compiler. Don't list GNU Make
8261 requirements which affect all platforms.
8263 2006-02-19 Roger Sayle <roger@eyesopen.com>
8266 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8267 only equivalent if the have both the same mode and precision.
8269 2006-02-20 Ben Elliston <bje@au.ibm.com>
8271 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8273 2006-02-19 Roger Sayle <roger@eyesopen.com>
8274 Steven Bosscher <stevenb.gcc@gmail.com>
8276 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8277 constant pool references to identify stack mode constants.
8278 * rtlanal.c (constant_pool_constant_p): New predicate to check
8279 whether operand is a floating point constant in the pool.
8280 * rtl.h (constant_pool_constant_p): Prototype here.
8281 * loop.c (scan_loop): Avoid hoisting constants from the constant
8282 pool on STACK_REGS targets.
8283 (load_mems): Likewise.
8284 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8285 loads into x87 registers expensive in terms of register pressure.
8287 2006-02-19 Roger Sayle <roger@eyesopen.com>
8289 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8290 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8292 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8294 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8295 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8297 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8299 * doc/invoke.texi: Document -fipa-pta.
8300 * common.opt: Add ipa-pta option.
8301 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8302 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8303 (do_ds_constraint): Ditto.
8304 (get_constraint_for): Only add to referenced_vars if
8305 referenced_vars exists.
8306 (insert_into_field_list): Rewrite to do this unsorted.
8307 (insert_into_field_list_sorted): Rename old insert_into_field_list
8309 (create_function_info_for): Use insert_into_field_list_sorted.
8310 (create_variable_info_for): Rewrite so it uses unsorted version,
8311 since the field list is sorted.
8312 (intra_create_variable_infos): Only add to referenced_vars if
8313 referenced_vars exists.
8314 (ipa_pta_execute): Init heapvars, and delete when done.
8315 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8317 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8319 * doc/install.texi: Add missing `@samp'.
8321 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8323 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8326 2006-02-18 Mark Wielaard <mark@klomp.org>
8328 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8329 who added new 4.1 features, bug fixes and integration support.
8331 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8334 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8337 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8339 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8340 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8341 (copy_insn_1): Likewise. Don't copy each field individually.
8343 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8345 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8346 * rtl.c (rtx_size): Rename variable to...
8347 (rtx_code_size): ...this.
8348 (rtx_size): New function.
8349 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8350 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8352 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8353 * rtl.h (rtx_code_size): New variable.
8354 (rtx_size): Change from a variable to a function.
8355 (RTX_SIZE): Rename to...
8356 (RTX_CODE_SIZE): ...this.
8359 PR tree-optimization/17106
8360 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8361 (Anchored Addresses): New section.
8362 * doc/invoke.texi (-fsection-anchors): Document.
8363 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8364 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8365 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8366 * hooks.c (hook_bool_mode_rtx_false): New function.
8367 * hooks.h (hook_bool_mode_rtx_false): Declare.
8368 * gengtype.c (create_optional_field): New function.
8369 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8370 SYMBOL_REF_IN_BLOCK_P is true.
8371 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8372 (min_anchor_offset, max_anchor_offset): Likewise.
8373 (use_anchors_for_symbol_p): New hook.
8374 * toplev.c (compile_file): Call output_object_blocks.
8375 (target_supports_section_anchors_p): New function.
8376 (process_options): Check that -fsection-anchors is only used on
8377 targets that support it and when -funit-at-a-time is in effect.
8378 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8379 if the decl doesn't have one.
8380 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8381 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8382 of force_const_mem through use_anchored_address.
8383 (expand_expr_constant): New function.
8384 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8385 calling expand_expr for INDIRECT_REF.
8386 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8387 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8388 * expr.h (use_anchored_address): Declare.
8389 * loop-unroll.c: Don't declare rtx vectors here.
8390 * explow.c: Include output.h.
8391 (validize_mem): Call use_anchored_address.
8392 (use_anchored_address): New function.
8393 * common.opt (-fsection-anchors): New switch.
8394 * varasm.c (object_block_htab, anchor_labelno): New variables.
8395 (hash_section, object_block_entry_eq, object_block_entry_hash)
8396 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8397 (use_blocks_for_decl_p, change_symbol_section): New functions.
8398 (get_variable_section): New function, split out from assemble_variable.
8399 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8400 use_blocks_for_decl_p say so. Use change_symbol_section if the
8401 symbol has already been created.
8402 (assemble_variable_contents): New function, split out from...
8403 (assemble_variable): ...here. Don't output any code for
8404 block symbols; just pass them to place_block_symbol.
8405 Use get_variable_section and assemble_variable_contents.
8406 (get_constant_alignment, get_constant_section, get_constant_size): New
8407 functions, split from output_constant_def_contents.
8408 (build_constant_desc): Create a block symbol if use_object_blocks_p
8409 says so. Or into SYMBOL_REF_FLAGS.
8410 (assemble_constant_contents): New function, split from...
8411 (output_constant_def_contents): ...here. Don't output any code
8412 for block symbols; just pass them to place_section_symbol.
8413 Use get_constant_section and get_constant_alignment.
8414 (force_const_mem): Create a block symbol if use_object_blocks_p and
8415 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8416 (output_constant_pool_1): Add an explicit alignment argument.
8417 Don't switch sections here.
8418 (output_constant_pool): Adjust call to output_constant_pool_1.
8419 Switch sections here instead. Don't output anything for block symbols;
8420 just pass them to place_block_symbol.
8421 (init_varasm_once): Initialize object_block_htab.
8422 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8423 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8424 (place_block_symbol, get_section_anchor, output_object_block)
8425 (output_object_block_htab, output_object_blocks): New functions.
8426 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8427 (TARGET_ASM_OUT): Include it.
8428 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8429 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8430 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8431 (TARGET_INITIALIZER): Include them.
8432 * rtl.c (rtl_check_failed_block_symbol): New function.
8433 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8434 (block_symbol, object_block): New structures.
8435 (rtx_def): Add a block_symbol field to the union.
8436 (BLOCK_SYMBOL_CHECK): New macro.
8437 (rtl_check_failed_block_symbol): Declare.
8438 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8439 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8440 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8441 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8442 * output.h (output_section_symbols): Declare.
8443 (object_block): Name structure.
8444 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8445 (default_use_anchors_for_symbol_p): Declare.
8446 * Makefile.in (RTL_BASE_H): Add vec.h.
8447 (explow.o): Depend on output.h.
8448 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8449 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8450 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8451 (rs6000_use_blocks_for_constant_p): New function.
8453 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8455 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8457 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8460 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8463 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8465 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8469 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8472 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8473 instead of DECL_REGISTER.
8475 2006-02-18 Olivier Hainque <hainque@adacore.com>
8478 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8480 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8483 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8484 * opth-gen.awk: Handle Var and InverseMask together.
8485 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8486 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8487 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8488 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8490 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8491 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8492 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8493 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8494 LINUX_DYNAMIC_LINKER): Define.
8495 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8496 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8498 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8499 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8500 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8501 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8502 (TARGET_C99_FUNCTIONS): Don't define.
8503 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8504 GLIBC_DYNAMIC_LINKER.
8505 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8506 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8507 GLIBC_DYNAMIC_LINKER64): Define.
8508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8509 LINUX_DYNAMIC_LINKER64.
8510 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8512 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8514 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8516 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8517 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8518 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8520 and LINUX_DYNAMIC_LINKER32.
8521 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8522 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8523 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8524 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8525 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8527 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8528 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8529 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8530 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8531 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8532 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8533 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8534 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8535 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8536 LINUX_DYNAMIC_LINKER): Define.
8537 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8538 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8539 GLIBC_DYNAMIC_LINKER64): Define.
8540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8541 LINUX_DYNAMIC_LINKER64.
8542 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8543 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8544 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8545 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8546 LINUX_DYNAMIC_LINKER): Define.
8547 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8548 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8549 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8550 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8551 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8552 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8553 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8554 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8555 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8556 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8557 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8558 * doc/invoke.texi (-muclibc): Remove caveat about supported
8561 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8563 * doc/cpp.texi (__TIMESTAMP__): Document.
8565 2006-02-17 Roger Sayle <roger@eyesopen.com>
8568 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8569 C is one less than the width of X (and related transformations).
8570 * simplify-rtx.c (simplify_unary_operation_1): Transform
8571 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8572 depending on STORE_FLAG_VALUE, were C is one less then the
8575 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8577 Fix PR tree-optimization/26341
8578 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8579 about NAME_MEMORY_TAG's.
8581 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8584 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8585 with hardware float support, and software float support. Add fcpy
8586 alternative to hardware patterns. Add alternatives to copy between
8587 general and floating-point registers to the 32-bit pattern.
8588 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8589 secondary reload to load a QI or HI mode constant into a floating
8591 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8592 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8594 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8597 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8599 (load_macho_picbase_di): Likewise.
8601 2006-02-16 Jeff Law <law@redhat.com>
8603 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8604 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8605 (ssa_name_nonzero_p): Likewise.
8606 (get_value_range): Return NULL if VRP is not running.
8607 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8608 VRP routines do not discover a range.
8609 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8610 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8611 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8612 (tree_expr_nonnegative_p): Similarly.
8613 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8614 (restore_nonzero_vars_to_original_value): Remove.
8615 (unsafe_associative_fp_binop): Remove.
8616 (tree_ssa_dominator_optimize): Remove initialization and
8617 finalization of nonzero_vars and nonzero_vars_stack.
8618 (dom_opt_initialize_block): No longer push marker on
8620 (dom_opt_finalize_block): No longer call
8621 restore_nonzero_vars_to_original_value.
8622 (record_equivalences_from_phis): No longer look for
8623 nonzero PHI arguments.
8624 (cprop_into_successor_phis): No longer propagate nonzero
8625 property into PHI arguments. Lose unused argument. Caller
8627 (record_equivalences_from_stmt): No longer record nonzero
8628 values for SSA_NAMEs.
8629 (lookup_avail_expr): No longer use nonzero_vars.
8631 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8632 for sizetype when sizetype is unsigned.
8634 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8636 PR rtl-optimization/25603
8637 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8638 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8639 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8640 with new meaning of SETS.
8642 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8647 * config/linux.opt: New file.
8648 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8649 LINUX_DYNAMIC_LINKER): Define.
8650 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8651 * config.gcc (*-*-linux*): Define extra_options.
8652 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8653 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8654 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8655 GLIBC_DYNAMIC_LINKER.
8656 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8657 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8658 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8659 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8660 * doc/invoke.texi (GNU/Linux Options): New section.
8662 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8664 * config/sparc/sparc.md (setjmp): Rewrite.
8665 (setjmp_32): Delete.
8666 (setjmp_64): Likewise.
8668 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8670 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8673 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8675 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8678 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8680 PR rtl-optimization/26296
8681 * Makefile.in (loop-invariant.c): Add except.h dependency.
8682 * loop-invariant.c: Include except.h.
8683 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8685 2005-02-16 Paul Brook <paul@codesourcery.com>
8687 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8690 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8692 PR rtl-optimization/25636
8693 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8694 when deciding whether an insn is an initializing insn.
8696 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8698 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8699 (tree_code_size): Ditto.
8700 * tree.h (struct tree_memory_tag): Remove parent_var.
8701 (struct tree_struct_field_tag): New.
8704 (union tree_node): Add sft member.
8705 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8707 (create_sft): Add size and offset argument, set SFT_OFFSET and
8709 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8710 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8711 * tree-flow-inline.h (get_subvar_at): Update for
8712 SFT_OFFSET/SFT_SIZE.
8713 (var_can_have_subvars): Ditto.
8714 (overlap_subvar): Ditto.
8715 * print-tree.c (print_node): Print out interesting things for
8717 * tree-flow.h (struct subvar): Remove offset and size members.
8718 * tree-ssa-operands.c (get_expr_operands): Update for
8719 get_indirect_ref_operands changes.
8720 (get_indirect_ref_operands): Call add_virtual_operand instead of
8721 add_stmt_operand. Only recurse on base var if requested.
8722 (access_can_touch_variable): New function.
8723 (add_stmt_operand): Split virtual operand handling into ...
8724 (add_virtual_operand): Here. Add offset, size, and for_clobber
8725 arguments. Prune alias sets.
8726 (add_call_clobber_ops): Call add_virtual_operand.
8728 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8731 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8733 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8734 than TREE_CODE as index into omp_clause_num_ops array.
8736 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8738 PR rtl-optimization/26184
8739 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8741 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8742 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8743 must_precede, must_follow and tobe_scheduled.
8746 * opts.c (common_handle_option): Free new_option pointer.
8747 * df-core.c (df_analyze): Free postorder pointer.
8749 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8751 * Makefile.in: Fix the examples about the use of stamps
8753 2006-02-15 Michael Matz <matz@suse.de>
8757 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8758 influenced by maximum_field_alignment or DECL_PACKED.
8759 (update_alignment_for_field): Ditto.
8760 (place_field): Ditto.
8761 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8764 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8766 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8767 (debug_flow_info): Pass it.
8768 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8769 * bb-reorder.c (reorder_basic_blocks): Likewise.
8770 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8771 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8772 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8773 * gcse.c (gcse_main, bypass_jumps): Likewise.
8774 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8775 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8776 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8777 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8778 * rtl.h (dump_flow_info): Adjust prototype.
8779 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8780 * var-tracking.c (variable_tracking_main): Likewise.
8781 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8782 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8785 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8787 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8790 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8792 PR tree-optimization/26209
8793 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8794 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8796 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8798 2006-02-14 Roger Sayle <roger@eyesopen.com>
8801 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8802 (X,Y) and the corresponding symmetry related transformations.
8803 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8804 (X,Y) and its symmetry related transformations.
8806 2006-02-14 Roger Sayle <roger@eyesopen.com>
8808 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8811 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8813 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8815 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8818 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8819 support COMDAT group.
8820 * configure: Regenerate.
8822 2006-02-14 Roger Sayle <roger@eyesopen.com>
8827 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8829 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8831 Fix PR tree-optimization/26260
8833 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8835 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8836 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8837 * tree-ssa-structalias.c (create_variable_info_for): Use
8838 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8840 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8842 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8844 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8845 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8846 of the ending condition.
8847 * tree-ssa-loop-manip.c: Include params.h.
8848 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8849 tree_unroll_loop): New functions.
8850 * tree-pass.h (pass_loop_prefetch): Declare.
8851 * loop.c (rest_of_handle_loop_optimize): Test for
8852 -fprefetch-loop-arrays-rtl.
8853 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8854 * timevar.def (TV_TREE_PREFETCH): New timevar.
8855 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8856 pass_loop_prefetch): New.
8857 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8858 (cleanup_tree_cfg_loop): Call scev_reset.
8859 * common.opt (fprefetch-loop-arrays-rtl): Add.
8860 * tree-ssa-loop-prefetch.c: New file.
8861 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8862 (new_temp_expr_table): Initialize expr_vars.
8863 (free_temp_expr_table): Cleanup expr_vars.
8864 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8865 expressions from being merged into one.
8866 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8867 (struct tree_niter_desc): Add control, bound and cmp fields.
8868 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8870 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8871 (tree-cfgcleanup.o): Add SCEV_H dependency.
8872 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8873 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8875 2006-02-14 Richard Guenther <rguenther@suse.de>
8877 PR tree-optimization/26258
8878 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8879 in PHI argument processing.
8881 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8883 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8884 new expression in the requested machine mode.
8886 2006-02-13 Roger Sayle <roger@eyesopen.com>
8888 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8889 directly, instead let do_compare_rtx_and_jump handle this for us.
8890 * expr.c (expand_expr_real_1): Likewise.
8891 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8892 before do_jump_by_parts_greater.
8893 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8894 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8896 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8898 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8900 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8902 PR rtl-optimization/26235
8903 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8904 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8907 2006-02-13 Jeff Law <law@redhat.com>
8909 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8912 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8915 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8916 twice if decl is a builtin. When trying again, call get_callee_fndecl
8917 first to verify it is still a builtin.
8919 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8921 * dwarf2out.c (base_type_die): Don't add AT_name here.
8922 (subrange_type_die): Don't add AT_name here.
8923 (modified_type_die): Rearrange code flow. Do add AT_name here.
8925 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8927 PR rtl-optimization/26247
8928 PR rtl-optimization/26248
8929 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8931 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8933 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8934 * config/fixtfdi.c: Likewise.
8935 * config/fixunstfdi.c: Likewise.
8936 * config/floatditf.c: Likewise.
8938 2006-02-13 Roger Sayle <roger@eyesopen.com>
8941 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8942 into (X,C2) if C1 is a subset of the bits of C2. Transform
8943 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8945 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8947 2006-02-13 Josh Conner <jconner@apple.com>
8950 * varasm.c (function_section): Check for section name before
8951 calling select_section on targets that define
8952 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8953 unlikely_text_section instead of hot_function_section if
8954 first_function_block_is_cold.
8956 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8959 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8961 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8963 PR rtl-optimization/26222
8964 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8965 after tree->rtl expansion.
8966 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8967 before passing it to emit_move_insn.
8969 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8971 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8973 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8974 Clarify documentation.
8975 * c-common.h (warn_write_strings): Remove.
8976 * c-common.c (warn_write_strings): Likewise.
8977 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8980 2006-02-12 Roger Sayle <roger@eyesopen.com>
8983 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8984 (do_jump_parts_zero_rtx): New function renamed from
8985 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8986 (do_jump_parts_equality_rtx): New function split out from
8987 do_jump_parts_equality. Old implementation renamed as above.
8988 Call do_jump_parts_zero_rtx if either operand is zero.
8989 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8990 do all of the heavy lifting.
8991 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8992 calling either do_jump_by_parts_greater_rtx or
8993 do_jump_by_parts_equality_rtx.
8994 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8995 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8996 moved to do_compare_rtx_and_jump, call it directly.
8997 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8998 mode argument. Call do_compare_rtx_and_jump.
8999 (emit_case_nodes): Update calls to do_jump_if_equal.
9001 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9003 PR rtl-optimization/26225
9004 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9006 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9008 PR rtl-optimization/26232
9009 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9011 2006-02-11 Jason Merrill <jason@redhat.com>
9014 * tree-inline.c (declare_return_variable): Just don't use the
9015 modify target if it's a gimple complex reg and the return slot
9018 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9020 * doc/contrib.texi: Update my entry.
9022 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9024 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9026 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9028 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9031 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9033 * doc/invoke.texi (-floop-optimize2): Removed.
9034 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9035 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9036 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9037 * common.opt (floop-optimize2): Removed.
9038 (fmove-loop-invariants): Enabled by default.
9040 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9042 * tree-if-conv.c (combine_blocks): Free the result of
9043 get_loop_exit_edges.
9045 2006-02-10 Jeff Law <law@redhat.com>
9047 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9049 PR tree-optimization/26213
9050 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9051 loop trying to follow SSA_NAME_VALUE chains.
9053 2006-02-10 Richard Guenther <rguenther@suse.de>
9055 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9056 deal with structures that end in implicitly variable sized arrays.
9058 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9060 PR rtl-optimization/24762
9061 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9064 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9066 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9067 (struct ivopts_data): Add regs_used field.
9068 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9069 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9070 instead of loop_data->regs_used;
9071 (free_loop_data): Do not free aux fields for loops.
9072 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9073 and tree_ssa_iv_optimize_finalize.
9075 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9077 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9079 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9082 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9083 computing the effective result type.
9085 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9088 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9089 (tree_overlaps_hard_reg_set): Declare.
9090 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9091 type and signature to match function type expected by walk_tree.
9092 (tree_overlaps_hard_reg_set): New function.
9093 (decl_conflicts_with_clobbers_p): Rename to:
9094 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9095 Use tree_overlaps_hard_reg_set. Changed caller.
9096 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9097 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9098 * cris.c (cris_md_asm_clobbers): Likewise.
9100 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9102 * reload1.c (emit_input_reload_insns): Delete code that tries to
9103 inherit using find_equiv_reg.
9105 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9107 * c-common.h (flag_const_strings): Don't declare.
9108 * c-common.c (flag_const_strings): Remove.
9109 * c.opt (fconst_strings): Remove.
9110 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9111 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9112 (c_common_init_options): Don't set flag_const_strings.
9113 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9115 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9117 * arm.md (tlobits_cbranch): New pattern.
9118 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9119 testing a single bit.
9121 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9124 * tree-ssa-pre.c (create_component_ref_by_pieces):
9125 Handle RETURN_DECL like VAR_DECL.
9127 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9130 * fold-const.c (fold_indirect_ref_1): Fold
9131 "*(foo *)&complexfoo" to "__real__ complexfoo"
9132 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9134 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9136 * tree-flow-inline.h (var_can_have_subvars):
9137 Volatile variables should not have subvariables.
9139 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9142 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9143 multiplying unsigned values.
9146 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9148 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9150 2006-02-08 Jason Merrill <jason@redhat.com>
9153 * tree.def: Elaborate on difference from MODIFY_EXPR.
9154 * doc/c-tree.texi (INIT_EXPR): Likewise.
9155 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9156 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9157 (gimplify_target_expr): Likewise.
9158 (gimplify_cond_expr): Remove target handling.
9159 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9160 (gimplify_expr): Clobber it here.
9161 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9162 Do return slot optimization if we have an INIT_EXPR.
9165 * tree-inline.c (declare_return_variable): Also clear
9166 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9169 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9172 * gimplify.c (gimplify_one_sizepos): Fix typo.
9174 2006-02-08 Jeff Law <law@redhat.com>
9176 PR tree-optimization/21417
9177 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9178 across a backedge if the control statement at the end of the
9179 block is data dependent on other statements in the same block.
9180 (record_temporary_equivalences_from_stmts): Remove over-conservative
9181 test for threading across backedges.
9183 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9184 control statement, handle all three special cases in the same
9185 manner as they all have the same desired solution. No longer
9186 special case edge flag updating when the post dominator is
9189 2006-02-08 Roger Sayle <roger@eyesopen.com>
9191 * tree.def (CHAR_TYPE): Remove.
9192 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9193 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9194 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9195 (gen_string_type_die): Delete unreachable function.
9197 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9198 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9199 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9200 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9201 * builtins.c (type_to_class): Likewise.
9202 * fold-const.c (fold_convert, build_range_check,
9203 merge_ranges): Likewise.
9204 * expr.c (count_type_elements): Likewise.
9205 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9206 * stor-layout.c (layout_type): Likewise.
9207 * ipa-type-escape.c (type_to_consider): Likewise.
9208 * gimplify.c (omp_firstprivatize_type_sizes,
9209 gimplify_type_sizes): Likewise.
9210 * explow.c (promote_mode): Likewise.
9211 * tree-sra.c (is_sra_scalar_type): Likewise.
9212 * varasm.c (output_constant): Likewise.
9213 * tree-inline.c (remap_type_1): Likewise.
9214 * convert.c (convert_to_pointer, convert_to_real,
9215 convert_to_integer, convert_to_complex): Likewise.
9217 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9219 * df-scan.c (df_def_record_1): A set destination may
9220 be a parallel regardless of mode.
9222 2006-02-08 Roger Sayle <roger@eyesopen.com>
9225 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9226 * config/mips/_tilib.c: Remove.
9227 * config/fixtfdi.c: New libgcc source file.
9228 * config/fixunstfdi.c: New source file.
9229 * config/floatditf.c: New source file.
9230 * config/floatunditf.c: New souce file.
9231 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9232 files above instead of config/mips/_tilib.c.
9233 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9235 2006-02-08 Jeff Law <law@redhat.com>
9237 PR tree-optimization/26169
9238 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9241 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9243 * df.h (DF_REG_SIZE): Return the length of the initialized
9246 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9248 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9249 __muldf3): Return a correctly signed zero.
9251 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9253 * passes.c (register_one_dump_file): Accept the current properties
9254 instead of pass number. Adjust call to dump_register. Remove
9256 (register_dump_files): Now a wrapper around...
9257 (register_dump_files_1): ... this one. Do not modify the pass
9259 (next_pass_1): Cosmetic fix.
9260 (execute_todo): Keep second parameter only. Use curr_properties
9261 instead of fetching it from the pass structure. Check and set
9263 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9264 instead of fetching it from the pass structure. Fix calls to
9265 execute_todo. Update curr_properties and initialize .vcg RTL dump
9266 after running the pass. Reset last_verified.
9267 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9269 (FIRST_AUTO_NUMBERED_DUMP): New.
9270 (dump_register): Remove "num" parameter, assign it within the
9272 (get_dump_file_name): Modify template for dumps.
9273 * tree-dump.h (dump_register): Adjust prototype.
9274 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9275 (PROP_trees): Add PROP_gimple_lomp.
9276 (TODO_set_props): New.
9277 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9278 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9279 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9281 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9283 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9284 (sparc64-*-linux*): Likewise.
9285 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9286 * config/sparc/t-linux: New file.
9287 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9288 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9289 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9290 -m32 -mlong-double-128.
9292 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9293 * config/alpha/t-linux: New file.
9294 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9296 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9297 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9298 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9299 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9300 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9301 (CPP_ARCH32_SPEC): Remove.
9303 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9305 PR tree-optimization/26145
9306 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9309 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9312 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9313 >= 240000 when generating code for SOM runtime.
9314 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9315 to $$dyncall when generating code for SOM runtime..
9317 2006-02-07 Dirk Mueller <dmueller@suse.com>
9320 * doc/invoke.texi (-Wsequence-point): Update documentation
9321 that -Wsequence-point is implemented for C++ as well.
9323 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9325 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9326 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9327 (LIB_SPEC): Likewise.
9328 * doc/invoke.texi (SPARC options): Document -pthread.
9330 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9332 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9335 2006-02-07 Roger Sayle <roger@eyesopen.com>
9337 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9338 Correct comment describing BOOLEAN_TYPE.
9340 2006-02-07 Dirk Mueller <dmueller@suse.com>
9342 * c.opt: C++ frontend supports -Wdiv-by-zero.
9343 * c-opts.c (c_common_handle_option): Remove dead case.
9345 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9347 * configure.ac (TLS assembler check): Do not enable TLS by
9348 default on SPARC/Solaris before version 10.
9349 * configure: Regenerate.
9351 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9353 * doc/invoke.texi (xl-compat): Document conversion and support
9356 2006-02-07 Jeff Law <law@redhat.com>
9358 * tree-vrp.c (find_conditional_asserts): Update comments.
9359 (simplify_stmt_for_jump_threading): New.
9360 (identify_jump_threads, finalize_jump_threads): New.
9361 (vrp_finalize): Call identify_jump_threads.
9362 (execute_vrp): Call finalize_jump_threads.
9363 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9364 (vrp_element, vrp_data, vrp_element_p): Remove.
9365 (vrp_hash_elt, vrp_variables_stack): Remove.
9366 (vrp_hash, vrp_eq, record_range): Remove.
9367 (simplify_cond_and_lookup_avail_expr): Remove.
9368 (extract_range_from_cond): Remove.
9369 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9370 (simplify_stmt_for_jump_threading): New.
9371 (dom_thread_across_edge): New wrapper.
9372 (tree_ssa_dominator_optimize): No longer initialize or
9373 finalize any of the VRP datastructures. Remove iteration
9374 step and simplify as a result of removal of iteration step.
9375 (pass_dominator): Perform a cfg cleanup after DOM.
9376 (dom_opt_finalize_block): Use the new common routines
9377 for threading jumps. Simplify stack management slightly.
9378 No longer need to unwind VRP state.
9379 (record_equivalences_from_incoming_edge): No longer record
9381 (eliminate_redundant_computations): No longer call
9382 simplify_cond_and_lookup_avail_expr.
9383 * tree-flow.h (potentially_threadable_block): Prototype.
9384 (thread_across_edge): Likewise.
9385 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9386 (tree-ssa-threadedge.o): Add dependencies.
9387 * tree-ssa-threadedge.c: New file.
9388 * passes.c (init_optimization_passes): Merge PHIs before
9389 calling VRP. Run VRP again late in the SSA optimization pipeline.
9391 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9393 * df-core.c (df_set_blocks): Do not dereference function pointers.
9394 (df_finish1): Likewise.
9395 (df_hybrid_search_forward): Likewise.
9396 (df_hybrid_search_backward): Likewise.
9397 (df_iterative_dataflow): Likewise.
9398 (df_analyze_problem): Likewise.
9399 (df_compact_blocks): Likewise.
9400 (df_dump): Likewise.
9401 * df-scan.c (df_rescan_blocks): Likewise.
9402 (df_record_entry_block_defs): Likewise.
9404 * genconditions.c (write_conditions): Guard the definition of
9405 'insn_conditions' with the check on GCC version.
9406 (write_writer): Guard the traversal 'insn_conditions' with
9407 the check on GCC version.
9409 2006-02-07 Richard Guenther <rguenther@suse.de>
9413 2006-01-30 Richard Guenther <rguenther@suse.de>
9415 * gimplify.c (gimplify_target_expr): Handle easy cases
9416 without creating a temporary.
9418 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9420 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9421 use of float in probability computations. Use edge probabilities
9422 in place of statically computed probabilities.
9423 (min_spec_prob): New static variable.
9424 (schedule_insns): Initialize it.
9425 (GET_SRC_PROB): Removed.
9426 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9428 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9431 * config/ia64/unwind-ia64.c: Revert last change.
9432 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9433 (INCOMING_FRAME_SP_OFFSET): Define.
9435 2006-02-06 Roger Sayle <roger@eyesopen.com>
9437 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9439 2006-02-07 Ben Elliston <bje@au.ibm.com>
9441 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9442 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9443 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9444 (ix86_return_in_memory): Handle TDmode.
9445 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9446 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9448 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9450 * reorg.c (dbr_schedule): Use dump_file instead of file.
9452 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9455 * config/ia64/predicates.md (extr_len_operand): New predicate.
9456 * config/ia64/ia64.md (extv): Tighten constraints.
9458 (*tbit_and_2): Ditto.
9459 (*tbit_and_3): Ditto.
9460 (*tbit_or_2): Ditto.
9461 (*tbit_or_3): Ditto.
9465 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9468 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9470 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9472 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9473 loop_optimizer_init and loop_optimizer_finalize
9474 * tree-ssa-sink.c (execute_sink_code): Ditto.
9475 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9476 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9477 tree_ssa_loop_done): Ditto.
9478 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9479 * sched-ebb.c: Include output.h.
9480 (schedule_ebbs): Do not use dump argument.
9481 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9482 * loop.c (loop_dump_stream): Removed.
9483 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9485 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9486 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9487 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9488 loop_iterations, strength_reduce, record_biv, record_giv,
9489 final_giv_value, check_final_value, check_ext_dependent_givs,
9490 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9491 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9492 dump_file instead of loop_dump_stream.
9493 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9495 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9497 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9498 * haifa-sched.c: Include output.h
9499 (schedule_insns, sched_init): Do not use dump argument.
9500 * mode-switching.c (optimize_mode_switching): Ditto.
9501 * modulo-sched.c (stats_file): Removed.
9502 (print_node_sched_params): Do not call argument dump_file.
9503 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9504 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9506 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9508 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9509 rtl_loop_init, rtl_loop_done): Ditto.
9510 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9511 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9513 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9514 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9515 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9516 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9517 * emit-rtl.c (renumber_insns): Ditto.
9518 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9519 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9520 * regclass.c (regclass): Ditto.
9521 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9522 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9523 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9524 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9526 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9527 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9529 * gcse.c (gcse_file, debug_stderr): Removed.
9530 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9531 rest_of_handle_gcse): Do not use dump argument.
9532 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9533 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9534 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9535 compute_code_hoist_vbeinout, compute_code_hoist_data,
9536 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9537 compute_store_table, build_store_vectors, insert_insn_start_bb,
9538 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9539 store_motion): Use dump_file instead of gcse_file.
9540 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9541 * profile.c (profile_dump_file): Removed.
9542 (branch_prob): Use dump_file instead of profile_dump_file.
9543 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9545 * tree-ssa-copy.c (dump_copy_of): Ditto.
9546 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9547 dump file to life_analysis.
9548 * bt-load.c (branch_target_load_optimize): Ditto.
9549 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9551 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9552 regclass, dbr_schedule): Declaration changed.
9553 * sched-int.h (sched_init): Declaration changed.
9554 * tree-profile.c (tree_profile_dump_file): Removed.
9555 (tree_profile_hooks): Removed profile_dump_file hook.
9556 * rtl-profile (rtl_profile_dump_file): Removed.
9557 (rtl_profile_hooks): emoved profile_dump_file hook.
9558 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9560 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9561 * tree-cfg.c (build_tree_cfg): Ditto.
9562 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9563 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9564 Declaration changed.
9565 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9566 life_analysis and schedule_insns.
9567 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9569 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9571 * config/mips/mips.c (mips_reorg): Ditto.
9572 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9575 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9577 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9578 (s390_mangle_fundamental_type): New.
9579 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9582 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9583 (alpha_mangle_fundamental_type): New.
9584 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9587 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9589 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9591 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9592 (sparc_mangle_fundamental_type): New.
9594 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9596 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9597 (s390x-*-linux*): Likewise.
9598 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9599 * config/s390/t-linux: New file.
9601 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9603 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9604 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9606 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9608 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9609 (ANTIC_SAFE_LOADS): New macro.
9610 (find_or_generate_expression): Add prototype.
9611 (set_contains_value): Allow null set for sake of not always having
9612 to allocate ANTIC_SAFE_LOADS.
9613 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9614 Allow COMPONENT_REF too.
9615 (valid_in_set): Allow COMPONENT_REF.
9616 Check ANTIC_SAFE_LOADS too.
9617 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9618 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9620 (can_PRE_operation): Add COMPONENT_REF.
9621 (create_component_ref_by_pieces): New function.
9622 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9623 (insert_aux): Move AGGREGATE_TYPE_P check here.
9624 (compute_avail): Set bb local stmt uids.
9625 (pass_pre): Use TODO_update_ssa_only_virtuals.
9627 2006-02-06 Ben Elliston <bje@au.ibm.com>
9629 * configure.ac: Unconditionally disable decimal float by default.
9630 * configure: Regenerate.
9632 2006-02-06 Ben Elliston <bje@au.ibm.com>
9634 * read-rtl.c (read_name): Terminate reading on EOF.
9636 2006-02-06 Ben Elliston <bje@au.ibm.com>
9638 * dfp.c (decimal_real_arithmetic): Change second argument type
9639 from int to enum tree_code. Do not always return true, but now
9640 return result of any call to decimal_do helper functions.
9641 * dfp.h (decimal_real_arithmetic): Update prototype.
9643 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9645 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9647 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9650 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9653 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9655 * tree-vrp.c (cfg_loops): Removed.
9656 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9657 Use current_loops instead of cfg_loops. Pass flags to
9658 loop_optimizer_init.
9659 * cfgloopmanip.c (fix_loop_structure): Update only available
9661 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9662 loop_optimizer_init.
9663 * modulo-sched.c (build_loops_structure): Removed.
9664 (sms_schedule): Use loop_optimizer_init.
9665 * loop-init.c (loop_optimizer_init): Use flags to determine
9666 which properties of loops to prepare.
9667 (rtl_loop_init): Pass flags to loop_optimizer_init.
9668 * tree-ssa-sink.c (execute_sink_code): Ditto.
9669 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9670 * tree-ssa-pre.c (init_pre): Ditto.
9671 * cfgloop.h (LOOPS_NORMAL): New.
9672 (loop_optimizer_init): Declaration changed.
9674 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9676 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9677 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9679 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9681 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9683 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9684 * pa/t-pa64: Delete quadlib.c rule.
9685 * pa/x-ada: Revert last change.
9686 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9688 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9690 PR rtl-optimization/26087
9691 * rtlanal.c (canonicalize_condition): Do not cross basic block
9694 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9697 * config/ia64/ia64.c: Include debug.h.
9698 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9699 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9700 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9701 (process_epilogue, process_set, process_for_unwind_directive):
9702 Output unwind info only if requested. Add CFA info if requested.
9703 Add new arguments as needed. Adjust callers.
9704 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9706 (DWARF2_FRAME_INFO): Define to zero.
9707 * config/ia64/unwind-ia64.c: Remove code that compensated for
9708 the CFA offset error fixed above.
9709 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9710 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9711 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9712 -funwind-tables and -fexceptions to enable frame info.
9713 (dwarf2out_frame_init): Define initial CFA even if
9714 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9715 DWARF2_UNWIND_INFO is nonzero, not just defined.
9716 (dwarf2out_frame_finish): Output non-EH call frame info only
9717 if DWARF2_FRAME_INFO is nonzero.
9718 (convert_cfa_to_loc_list,
9719 compute_frame_pointer_to_cfa_displacement): Define even if
9720 unwind info is not supported.
9721 (gen_subprogram_die): Use the above unconditionally. Remove
9722 legacy alternate code.
9723 * toplev.c (compile_file): Compile in call to
9724 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9725 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9727 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9728 Jakub Jelinek <jakub@redhat.com>
9730 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9731 IBM extended float format long double as "g" on powerpc*-linux.
9733 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9736 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9737 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9739 2006-02-03 Jason Merrill <jason@redhat.com>
9742 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9745 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9746 on the return slot if it's an NRV.
9748 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9750 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9751 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9752 rewrite_use): Do not handle USE_OUTER.
9753 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9754 add_iv_outer_candidates, may_replace_final_value,
9755 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9756 (find_interesting_uses_op): Functionality of
9757 find_interesting_uses_outer_or_nonlin moved here.
9758 (find_interesting_uses_outside): Use find_interesting_uses_op.
9760 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9763 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9765 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9766 Ulrich Weigand <uweigand@de.ibm.com>
9769 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9770 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9771 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9772 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9774 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9775 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9776 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9777 Define secondary reloads for TFmode moves.
9778 (constant_modes): Add TFmode.
9779 (NR_C_MODES): Set to 8.
9780 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9782 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9783 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9784 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9785 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9786 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9787 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9788 (FPR mode macro): Add TFmode.
9789 (DSF mode macro): New.
9790 (<de>, <dee> mode attributes): Removed.
9791 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9792 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9793 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9794 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9795 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9796 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9797 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9798 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9799 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9800 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9801 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9802 "*negabs<mode>2", "sqrt<mode>2"):
9803 Changed <de> to <xde>. R constraint replaced by <Rf>.
9804 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9806 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9807 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9808 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9810 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9811 "extenddftf2", "extendsftf2"): New expanders.
9812 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9813 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9814 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9815 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9817 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9818 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9819 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9820 __floatditf): Add a GCC_4.1.0 symbol version tag.
9821 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9824 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9827 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9828 Use targetm.binds_local_p instead of TREE_PUBLIC.
9830 2006-02-02 Roger Sayle <roger@eyesopen.com>
9832 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9833 on INTEGER_TYPEs to indicate that it denotes a character type.
9834 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9835 signed_char_type_node, unsigned_char_type_node and char_type_node.
9836 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9837 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9838 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9840 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9841 Daniel Berlin <dberlin@dberlin.org>
9843 * tree-tailcall.c (arg_needs_copy_p): New function.
9844 (eliminate_tail_call): Use arg_needs_copy_p.
9845 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9846 (add_virtual_phis): New function.
9848 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9850 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9851 #ignore instead of #scratch for %g7 .register directive.
9853 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9855 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9858 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9860 * flow.c (calculate_global_regs_live): Assert that there aren't any
9863 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9865 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9867 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9868 bsi_after_labels iterator.
9869 * tree-if-conv.c (find_phi_replacement_condition,
9870 replace_phi_with_cond_modify_expr): Likewise.
9871 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9872 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9874 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9876 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9878 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9881 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9882 array after growing it.
9884 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9887 * fold-const.c (fold_checksum_tree): Change type of buf.
9889 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9891 * reload.c (push_secondary_reload): Initialize t_icode.
9893 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9895 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9896 -msoft-float -mlong-double-128 only issue a warning, but don't
9897 swich to DFmode long double.
9899 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9901 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9902 has a constant equivalent, iterate over equivalents for arg0,
9903 calling simplify_relational_operation and if there's a result
9904 cheaper than X, apply fold_rtx and return the result.
9906 2006-02-01 Jan Hubicka <jh@suse.cz>
9908 * opts.c (no_unit_at_a_time_default): New global variable.
9909 (decode_options): Use it.
9910 * opts.h (no_unit_at_a_time_default): Declare.
9912 2006-02-01 Paul Brook <paul@codesourcery.com>
9914 * function.c (assign_parm_setup_reg): Use function argument promotion
9916 * expr.c (expand_expr_real_1): Use function argument promotion rules
9919 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9921 * gcc.c (process_command): Change j to 'unsigned int'.
9923 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9926 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9927 Use the corrected index for the character
9928 out of the string constant.
9930 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9932 * mode-switching.c (optimize_mode_switching): Fix size
9933 allocated for bb_info[n_entities].
9935 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9937 * gcc.c (main): Correct type that is allocated for
9938 explicit_link_files.
9940 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9942 * config/s390/s390.c (init_alignment_context): Set
9943 ALIAS_SET_MEMORY_BARRIER on the MEM.
9944 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9946 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9949 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9951 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9954 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9956 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9957 * regrename.c: Ditto.
9958 * tree-ssa-loop-im.c: Ditto.
9959 * tree-dump.c: Ditto.
9960 * tree-complex.c: Ditto.
9961 * genrecog.c: Ditto.
9962 * tree-ssa-threadupdate.c: Ditto.
9964 * java/class.c: Ditto.
9965 * java/jcf-parse.c: Ditto.
9966 * java/resource.c: Ditto.
9967 * java/except.c: Ditto.
9968 * java/jvspec.c: Ditto.
9969 * java/jcf-write.c: Ditto.
9970 * java/jcf-path.c: Ditto.
9971 * java/gjavah.c: Ditto.
9972 * java/zextract.c: Ditto.
9973 * java/jcf-io.c: Ditto.
9974 * java/jcf.h: Ditto.
9975 * java/buffer.c: Ditto.
9976 * java/lang.c: Ditto.
9977 * java/parse-scan.y: Ditto.
9978 * java/lex.c: Ditto.
9979 * java/lex.h: Ditto.
9980 * cfgloopmanip.c: Ditto.
9981 * postreload-gcse.c: Ditto.
9982 * tree-ssa-loop-manip.c: Ditto.
9983 * postreload.c: Ditto.
9984 * tree-ssa-loop-ch.c: Ditto.
9988 * diagnostic.c: Ditto.
9990 * genoutput.c: Ditto.
9992 * cfghooks.c: Ditto.
9993 * cfgloopanal.c: Ditto.
9994 * objc/objc-act.c: Ditto.
9996 * genextract.c: Ditto.
9997 * genautomata.c: Ditto.
9998 * pretty-print.c: Ditto.
10000 * cgraphunit.c: Ditto.
10002 * df-scan.c: Ditto.
10003 * haifa-sched.c: Ditto.
10004 * dominance.c: Ditto.
10006 * tree-ssa-loop-ivopts.c: Ditto.
10007 * df-core.c: Ditto.
10008 * mode-switching.c: Ditto.
10009 * modulo-sched.c: Ditto.
10011 * ipa-pure-const.c: Ditto.
10013 * fix-header.c: Ditto.
10015 * tree-stdarg.c: Ditto.
10016 * ipa-utils.c: Ditto.
10017 * loop-init.c: Ditto.
10018 * ipa-inline.c: Ditto.
10019 * cfganal.c: Ditto.
10021 * alloc-pool.c: Ditto.
10022 * dwarf2out.c: Ditto.
10024 * genattrtab.c: Ditto.
10025 * tree-ssa-loop-ivcanon.c: Ditto.
10026 * predict.c: Ditto.
10027 * timevar.c: Ditto.
10029 * fortran/gfortranspec.c: Ditto.
10030 * regmove.c: Ditto.
10031 * local-alloc.c: Ditto.
10032 * langhooks.c: Ditto.
10033 * function.c: Ditto.
10034 * tree-vectorizer.c: Ditto.
10036 * ipa-type-escape.c: Ditto.
10038 * tree-if-conv.c: Ditto.
10039 * profile.c: Ditto.
10041 * tree-data-ref.c: Ditto.
10042 * loop-unroll.c: Ditto.
10043 * treelang/treetree.c: Ditto.
10045 * bt-load.c: Ditto.
10046 * ggc-common.c: Ditto.
10048 * coverage.c: Ditto.
10050 * tree-cfgcleanup.c: Ditto.
10051 * tree-ssa-pre.c: Ditto.
10052 * cfgcleanup.c: Ditto.
10053 * loop-invariant.c: Ditto.
10054 * loop-iv.c: Ditto.
10055 * ipa-prop.c: Ditto.
10056 * print-tree.c: Ditto.
10057 * conflict.c: Ditto.
10058 * ggc-page.c: Ditto.
10059 * sched-deps.c: Ditto.
10060 * regclass.c: Ditto.
10061 * tree-object-size.c: Ditto.
10062 * combine.c: Ditto.
10063 * bb-reorder.c: Ditto.
10064 * resource.c: Ditto.
10065 * var-tracking.c: Ditto.
10066 * cfgloop.c: Ditto.
10067 * df-problems.c: Ditto.
10068 * reg-stack.c: Ditto.
10070 * gccspec.c: Ditto.
10071 * sched-rgn.c: Ditto.
10072 * tree-ssa-structalias.c: Ditto.
10073 * tree-ssa-reassoc.c: Ditto.
10074 * config/darwin-c.c: Ditto.
10075 * config/darwin.c: Ditto.
10076 * config/arm/arm.c: Ditto.
10078 * collect2.c: Ditto.
10079 * reload1.c: Ditto.
10081 2006-01-31 Nicolas Pitre <nico@cam.org>
10083 * arm.md (smaxsi3): Make aware of smax_m1.
10086 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10088 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10090 2006-01-31 Richard Guenther <rguenther@suse.de>
10092 * doc/invoke.texi (-msselibm): Document.
10093 * target.h (expand_library_builtin): New target hook.
10094 * builtins.c (expand_builtin): Use expand_library_builtin.
10095 (default_expand_library_builtin): New function.
10096 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10097 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10098 (link_gcc_math_spec): Declare.
10099 (static_specs): Add link_gcc_math_spec.
10100 * expr.h (default_expand_library_builtin): Declare.
10101 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10102 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10103 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10104 * config/i386/i386.opt (msselibm): New target option.
10105 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10106 (ix86_init_sse_abi_builtins): New function.
10107 (ix86_expand_library_builtin): Likewise.
10108 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10109 (override_options): Handle error conditions wrt -msselibm.
10110 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10111 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10112 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10115 2006-01-31 Richard Guenther <rguenther@suse.de>
10116 Paolo Bonzini <bonzini@gnu.org>
10118 * doc/install.texi (--disable-libgcc-math): Document.
10120 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10122 * expr.h (expand_normal): new inline function.
10123 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10124 * dojump.c: use it.
10125 * dwarf2out.c: use it.
10128 * expmed.c: use it.
10129 * except.c: use it.
10130 * config/sparc/sparc.c: use it.
10131 * config/i386/i386.c: use it.
10132 * config/rs6000/rs6000.c: use it.
10133 * config/arm/arm.c: use it.
10134 * config/mips/mips.c: use it.
10135 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10137 2006-01-30 Roger Sayle <roger@eyesopen.com>
10139 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10140 argv to the appropriate type.
10142 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10144 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10147 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10150 * config/s390/s390.c (struct machine_function): New flag
10151 decomposed_literal_pool_addresses_ok_p.
10152 (s390_reorg): Set it before final stage of literal pool transforms.
10153 (s390_decompose_address): Only accept displacements of the form
10154 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10156 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10158 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10159 the comparison routine return.
10161 2006-01-30 Michael Matz <matz@suse.de>
10163 * global.c (find_reg): Only evict for global regs.
10164 Take n_refs into account and dump more info.
10166 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10169 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10170 (pragma_trap, pragma_nosave_low_regs): Likewise.
10171 (current_function_anonymous_args): Likewise.
10172 (sh_deferred_function_attributes): New variable.
10173 (sh_deferred_function_attributes_tail): Likewise.
10174 (print_operand): For '@', look up trap_exit attribute.
10175 (calc_live_regs): Look up trapa_handler attribute. For trapa
10176 handlers, save/restore fpscr, but don't do any other
10177 interrupt-specific saves.
10178 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10179 Fix check for partially saved registers to check for SHmedia.
10180 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10181 (sh_output_function_epilogue): Don't clear any of the removed
10183 (sh_insert_attributes): Don't check pragma_interrupt.
10184 Insert deferred attributes. Check that interrupt attribute is
10185 present for other attributes that require its presence.
10186 (sh_attribute_table): Add new attributes trapa_handler and
10188 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10189 Don't check for pragma_interrupt. Don't store argument.
10190 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10191 (sh_deferred_function_attributes): Declare.
10192 (sh_deferred_function_attributes_tail): Likewise.
10193 * sh.md (sp_switch_1): Add operand. Change generator caller.
10194 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10195 (*return_i): Don't use when trap_exit attribute is in effect.
10196 (*return_trapa): New insn pattern.
10197 * sh-c.c: New file.
10198 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10199 setting c_target_objs and cxx_target_objs.
10200 * t-sh: Add rule for sh-c.o.
10202 2006-01-30 Richard Guenther <rguenther@suse.de>
10205 * gimplify.c (gimplify_target_expr): Handle easy cases
10206 without creating a temporary.
10208 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10210 * vec.h (safe_grow): Remove duplicated line.
10212 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10215 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10216 (expand_omp): ... here.
10217 (expand_omp_parallel): Only remove barriers for combined
10218 parallel+workshare constructs.
10220 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10224 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10225 * tree.c (build_qualified_type): Chain the new type to the original
10226 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10227 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10228 (build_pointer_type_for_mode): Only return unqualified types.
10229 (build_reference_type_for_mode): Likewise.
10231 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10233 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10234 * Makefile.in (CXX_COMPAT_WARN): Define.
10235 * configure: Regenerate.
10237 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10240 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10243 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10245 * toplev.c: Fix thinko.
10247 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10248 Marcin Dalecki <martin@dalecki.de>
10250 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10251 (push_srcloc): Use XNEW.
10252 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10254 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10256 * df-core.c (df_set_blocks): Deleted all variable.
10258 2006-01-28 Ian Lance Taylor <ian@airs.com>
10260 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10261 cgraph_output_pending_asms.
10263 2006-01-28 Zack Weinberg <zackw@panix.com>
10265 * c.opt: Add -W(no-)overlength-strings.
10266 * doc/invoke.texi: Document it.
10267 * c-opts.c (c_common_handle_option): -pedantic implies
10268 -Woverlength-strings, if not explicitly disabled already.
10269 (c_common_post_options): -Woverlength-strings defaults to off, and
10270 is always off for C++.
10271 * c-common.c (fix_string_type): Issue warning about strings longer
10272 than is portable only if warn_overlength_strings. Rearrange code
10273 a little for clarity.
10274 * configure.in: Check for -Wno-overlength-strings as well before
10275 enabling -pedantic in stage 1.
10276 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10277 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10279 * genconditions.c (write_header, write_one_condition)
10280 (write_conditions, write_writer): Consolidate very long strings
10281 that were broken up to fit in C89 portable limit. Don't use
10282 printf when fputs will do.
10284 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10286 * combine.c (simplify_comparison <AND>): Check
10287 TRULY_NOOP_TRUNCATION before start using a subreg.
10289 * config/mips/mips.md (*branch_zero<mode>,
10290 *branch_zero<mode>_inverted, *branch_equality<mode>,
10291 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10292 Remove mode check from comparisons.
10294 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10296 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10298 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10300 * expmed.c (const_mult_add_overflow_p): Remove.
10301 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10303 * recog.c (validate_replace_rtx_subexp): Remove.
10304 * recog.h: Remove the prototype for
10305 validate_replace_rtx_subexp.
10307 * integrate.h: Remove the prototype for
10308 copy_decl_for_inlining.
10309 * rtl.h: Remove the prototype for mark_constant_function.
10310 * tree-vectorizer.h: Remove the prototype for
10311 vect_strip_conversion.
10313 * modulo-sched.c (create_partial_schedule,
10314 free_partial_schedule, reset_partial_schedule): Make them
10317 * hooks.c (hook_bool_rtx_int_false): Remove.
10318 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10320 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10322 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10323 and -mlong-double-128 are incompatible.
10324 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10325 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10326 (TARGET_LIBGCC2_CFLAGS): Define.
10327 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10328 (TARGET_LIBGCC2_CFLAGS): Same.
10329 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10331 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10334 * c-typeck.c (build_binary_op): Perform implicit casts of
10335 operands before shortening them.
10337 * cfgloopmanip.c (split_loop_bb): Remove.
10338 * cfgloop.h: Remove the prototype for split_loop_bb.
10340 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10341 * cfgloop.h: Remove the prototype for
10342 flow_loop_outside_edge_p.
10344 * emit-rtl.c (init_virtual_regs): Make it static.
10345 * function.h: Remove the prototype for init_virtual_regs.
10347 * recog.c (peephole2_optimize): Make it static.
10348 * recog.h: Remove the prototype for peephole2_optimize.
10350 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10352 * df-scan.c (df_record_entry_block_defs): Check if
10353 INCOMING_RETURN_ADDR_RTX is defined.
10355 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10356 Kenneth Zadeck <zadeck@naturalbridge.com>
10358 PR rtl-optimization/24762
10359 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10360 * targhooks.c (hook_void_bitmap): New hook prototype.
10361 * targhoohs.h (hook_void_bitmap): Ditto.
10362 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10363 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10364 * target.h (live_on_entry): New function pointer.
10365 * df-scan.c (df_all_hard_regs): Removed.
10366 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10367 (df_scan_free_internal): Added df->entry_block_defs.
10368 (df_scan_alloc): Ditto.
10369 (df_scan_dump): Ditto.
10370 (df_uses_record): Plumbed flag field properly thru calls.
10371 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10372 This part fixes PR24762.
10373 (df_bb_refs_record): Added code to make the frame and arg
10374 pointers live in EH blocks.
10375 (df_refs_record): Added call to df_record_entry_block_defs.
10376 (df_record_entry_block_defs): New function.
10377 * df-core.c: Added comments to describe new artifical defs.
10378 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10379 (entry_block_defs): New field in struct df.
10380 (df_all_hard_regs): Deleted.
10381 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10382 * df-problems.c (df_ru_bb_local_compute_process_def):
10383 Added code to handle artifical defs in the entry to a function.
10384 (df_ru_bb_local_compute): Ditto.
10385 (df_rd_bb_local_compute_process_def): Ditto.
10386 (df_rd_bb_local_compute): Ditto.
10387 (df_lr_bb_local_compute): Ditto.
10388 (df_ur_bb_local_compute): Ditto.
10389 (df_urec_bb_local_compute): Ditto.
10390 (df_chain_create_bb): Ditto.
10391 (df_ur_local_finalize): Removed entry.
10392 (df_urec_init): Ditto.
10393 (df_urec_local_finalize): Ditto.
10394 (df_ri_bb_compute): Added detection of last use of pseudos.
10395 * Makefile.in (df-scan.o): Updated dependencies.
10396 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10397 * config/mips/mips.c (mips_set_live_on_entry): Added.
10398 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10400 * dce.c (marked_insn_p): Added code to handle artifical defs.
10402 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10404 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10406 (_mm_cvtsi128_si64): Likewise.
10407 (_mm_cvtsd_si64): Likewise.
10408 (_mm_cvttsd_si64): Likewise.
10409 (_mm_cvtsi64_sd): Likewise.
10410 (_mm_cvtsi64_si128): Likewise.
10411 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10412 (_mm_cvtsi64_m64): Likewise.
10413 (_m_to_int64): Likewise.
10414 (_mm_cvtm64_si64): Likewise.
10415 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10416 (_mm_cvttss_si64): Likewise.
10417 (_mm_cvtsi64_ss): Likewise.
10418 (_mm_cvtss_f32): Likewise.
10420 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10422 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10423 for pragma redefine_extname.
10425 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10428 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10429 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10430 -mno-minimal-toc to previous content.
10431 (bispecs): Remove goal.
10432 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10433 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10434 compatibility aliases on powerpc-*-*gnu*.
10435 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10436 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10437 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10438 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10439 (ldblspecs): New goal.
10440 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10441 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10443 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10444 L_sf_to_tf or L_df_to_tf is defined.
10446 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10447 Alan Modra <amodra@bigpond.net.au>
10450 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10451 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10452 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10453 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10454 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10455 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10456 (rs6000_override_options): Initialize rs6000_ieeequad.
10457 Initialize TFmode format to ibm_extended_format if not
10459 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10461 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10462 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10463 (function_arg_advance): IBM long double passed in two FPRs, not
10465 (function_arg): IBM long double passed in FPRs.
10466 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10467 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10468 Only multireg GPR aligned.
10469 (rs6000_init_libfuncs): Enable IBM long double functions if not
10471 (rs6000_generate_compare): Use IBM long double compare if not
10473 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10474 (TARGET_IEEEQUAD): Define.
10475 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10476 not TARGET_IEEEQUAD.
10477 * config/rs6000/rs6000.md: Enable TFmode patterns if
10479 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10480 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10481 and -mlong-double-128 are incompatible.
10482 * doc/invoke.texi (-mabi): Collect options together. Add
10483 ibmlongdouble and ieeelongdouble.
10485 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10487 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10489 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10490 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10491 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10492 * rtl.h (rtunion_def): Remove rt_ptr.
10494 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10495 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10496 * config/i386/winnt.c (i386_pe_mark_dllexport)
10497 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10499 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10501 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10503 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10507 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10508 pthread_key_delete. From John David Anglin. gthrw-ify
10509 pthread_getunique_np only if it it's not a macro. Delete
10511 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10512 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10513 __gthread_objc_condition_signal, __gthread_key_delete): Add
10514 "__attribute__ ((__unused__))" to unused arguments.
10515 (__gthread_recursive_mutex_init_function): Add missing return.
10516 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10517 gthr-posix95.h: Use macro-based approach for name redirection
10518 on targets missing weakref.
10520 2006-01-26 Zack Weinberg <zackw@panix.com>
10522 * genconditions.c (write_header): In generated code, #ifdef out
10523 all includes and fake declarations, except includes of bconfig.h
10524 and system.h, unless GCC_VERSION >= 3001. Do not include
10525 gensupport.h in any case.
10526 (write_conditions): Generate a definition of struct c_test. Add
10527 a comment to the generated #endif.
10528 (write_one_condition): Escape backslashes in string too.
10529 (write_writer): Generated code must escape backslashes and quote
10530 marks (but not newlines) in the strings it writes.
10531 * Makefile.in (build/gencondmd.o): Update dependencies.
10533 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10536 * Makefile.in (insn-automata.o): Add header file dependencies.
10537 * genautomata.c: Add includes.
10539 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10542 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10544 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10546 * configure.ac: Expect target tools paths to be passed from the toplevel
10547 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10549 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10551 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10554 * c.opt (Wpointer-sign): Init to -1.
10555 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10556 OPT_pedantic, to 0 otherwise.
10557 * doc/invoke.texi: Update.
10559 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10561 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10562 constants provided by 80387 instructions in the destination mode.
10564 2006-01-26 Richard Guenther <rguenther@suse.de>
10565 Andrew Pinski <pinskia@physics.uc.edu>
10568 partial PR tree-opt/17064
10569 * tree-ssa-structalias.c (intra_create_variable_infos):
10570 Create heap variables for incoming parameters if
10571 flag_argument_noalias > 1.
10572 (find_what_p_points_to): Look through default defs of
10575 2006-01-26 Jeff Law <law@redhat.com>
10578 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10579 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10580 within the VR_RANGE, use the VR_RANGE as the result, not the
10582 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10583 bounds for the type.
10585 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10587 * tree-ssa-alias.c (maybe_create_global_var): Change
10588 subvar walking to an assertion that we don't have subvar'd variables.
10590 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10593 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10594 Use a new variable, inner. PARM_DECLs are always non-weak.
10596 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10598 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10599 --disable-checking.
10601 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10603 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10605 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10607 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10608 (smax_insn, smin_insn, smax_0, smin_0): New.
10610 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10613 * config/cris/cris.c (cris_order_for_addsi3): New function.
10614 * config/cris/cris-protos.h: Prototype it.
10615 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10616 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10617 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10618 (split for "op.S1 [rx=rx+i],ry (swapped)")
10619 (split for "op(s|u).S1 [rx=rx+i],ry")
10620 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10621 Apply cris_order_for_addsi3 when generating addsi3 insns.
10623 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10625 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10626 (TREE_BLOCK): Add call to EXPR_CHECK.
10628 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10631 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10632 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10633 (dump_omp_clauses): ... here.
10634 (dump_generic_node): Handle OMP_CLAUSE.
10635 * tree.c (omp_clause_num_ops): New.
10636 (omp_clause_code_name): New.
10637 (tree_code_size): Handle OMP_CLAUSE.
10638 (tree_size): Likewise.
10639 (make_node): Document handling of OMP_CLAUSE.
10640 (tree_node_structure): Handle OMP_CLAUSE.
10641 (omp_clause_check_failed): New.
10642 (omp_clause_range_check_failed): New.
10643 (omp_clause_operand_check_failed): New.
10644 (build_omp_clause): New.
10645 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10646 * tree.h (enum omp_clause_code): Declare.
10647 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10648 (OMP_CLAUSE_RANGE_CHECK): Define.
10649 (OMP_CLAUSE_ELT_CHECK): Define.
10650 (omp_clause_check_failed): Declare.
10651 (omp_clause_operand_check_failed): Declare.
10652 (omp_clause_range_check_failed): Declare.
10653 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10654 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10655 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10656 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10657 (OMP_CLAUSE_IF_EXPR): Likewise.
10658 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10659 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10660 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10661 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10662 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10663 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10664 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10665 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10666 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10667 (OMP_CLAUSE_CODE): Define.
10668 (OMP_CLAUSE_SET_CODE): Define.
10669 (OMP_CLAUSE_CODE): Define.
10670 (OMP_CLAUSE_OPERAND): Define.
10671 (struct tree_omp_clause): Declare.
10672 (union tree_node): Add field 'omp_clause'.
10673 * treestruct.def (TS_OMP_CLAUSE): Define.
10674 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10675 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10676 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10677 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10678 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10679 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10680 (OMP_CLAUSE): Define.
10681 * print-tree.c (print_node): Handle OMP_CLAUSE.
10682 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10683 * c-typeck.c: Likewise.
10684 * gimplify.c: Likewise.
10685 * c-omp.c: Likewise.
10686 * tree-nested.c: Likewise.
10687 * tree-inline.c: Likewise.
10688 * c-parser.c: Likewise.
10689 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10692 2006-01-25 Roger Sayle <roger@eyesopen.com>
10694 PR rtl-optimization/25703
10695 * combine.c (try_combine): Handle zero_extract and strict_low_part
10696 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10698 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10700 * global.c: Fix comment typos.
10702 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10705 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10706 Use output_addr_const instead of assemble_name.
10708 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10710 * Makefile.in (sched-vis.o): Update dependencies.
10711 * haifa-sched.c (sched_finish): Clear current_sched_info.
10712 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10713 (dump_flow_info): Call it.
10714 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10716 * basic-block.h (dump_bb_info): Declare.
10717 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10718 option, and apply options only for dump files whose TDF_RTL,
10719 TDF_TREE, or TDF_IPA bits match.
10720 * rtl.h: Declare new functions exported from sched-vis.c.
10721 * sched-vis.c: Enable also if scheduling is not used.
10722 (print_value): Print the mode of registers if not inside scheduling.
10723 (print_insn): Make it work outside the scheduler. Beautify the output
10725 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10727 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10729 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10730 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10731 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10732 depending on the value of CONSTANT_POOL_ADDRESS_P.
10733 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10735 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10736 rather than SYMBOL_REF_DECL.
10737 (rtx_constant_pool): Remove const_rtx_sym_htab.
10738 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10739 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10740 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10741 Remove handling of const_rtx_sym_htab.
10742 (find_pool_constant): Delete.
10743 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10744 rather than find_pool_constant.
10745 (get_pool_constant_for_function): Delete.
10746 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10747 find_pool_constant.
10748 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10749 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10750 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10751 (SYMBOL_REF_CONSTANT): New macro.
10752 (get_pool_constant_for_function): Delete.
10753 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10754 rather than SYMBOL_REF_DECL.
10755 (i386_pe_mark_dllimport): Likewise.
10756 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10757 rather than SYMBOL_REF_DECL.
10758 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10759 (machopic_indirect_call_target): Likewise.
10761 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10763 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10765 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10767 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10769 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10771 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10773 2006-01-24 David Daney <ddaney@avtrex.com>
10776 * configure.ac (enable_tls): New enable option.
10777 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10778 * configure: Regenerate.
10779 * doc/install.texi (--enable-tls): Document new option.
10780 (--disable-tls): Ditto.
10782 2006-01-24 Richard Henderson <rth@redehat.com>
10784 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10785 * alias.c (true_dependence): Respect it.
10786 (canon_true_dependence, write_dependence_p): Likewise.
10787 * builtins.c (get_builtin_sync_mem): Set it.
10789 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10791 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10794 2006-01-24 DJ Delorie <dj@redhat.com>
10796 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10797 for storing constants in single-bit bitfields.
10799 2006-01-25 Ben Elliston <bje@au.ibm.com>
10801 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10803 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10806 * tree-ssa-pre.c (phi_translate): Return NULL
10807 for AGGREGATE_TYPE's.
10809 2006-01-24 Zack Weinberg <zackw@panix.com>
10811 * genautomata.c (process_state_for_insn_equiv_partition):
10812 Use xcalloc for insn_arcs_array.
10813 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10814 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10816 2006-01-24 Richard Henderson <rth@redhat.com>
10818 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10819 update all callers.
10821 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10823 PR rtl-optimization/25890
10824 PR rtl-optimization/25905
10825 * combine.c (expand_compound_operation, expand_field_assignment):
10826 Fail if the bitfield's final position is out of bounds.
10828 2006-01-24 Ian Lance Taylor <ian@airs.com>
10830 PR middle-end/25930
10831 * cgraphunit.c (cgraph_output_in_order): Don't clear
10832 cgraph_asm_nodes until after asm strings have been output.
10834 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10836 * fix-header.c (read_scan_file): Add new parameter imultilib when
10837 calling register_include_chains.
10839 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10841 * omp-low.c: Update documentation.
10843 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10844 Daniel Berlin <dberlin@dberlin.org>
10848 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10849 return from the function.
10851 2006-01-22 Zack Weinberg <zackw@panix.com>
10853 * rtl.def (match_code): Add second argument.
10854 * genpreds.c (write_extract_subexp): New function.
10855 (write_match_code): Add path argument. Use write_extract_subexp.
10856 (write_predicate_expr): Pass path to write_match_code.
10857 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10858 not perform a mode test.
10859 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10860 a subexpression does not constrain the top-level code set.
10861 * read-rtl.c (read_rtx_variadic): New function.
10862 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10863 * doc/md.texi: Document new notation.
10864 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10865 (cmpsi_operand): ... here, using new notation.
10867 2006-01-22 Zack Weinberg <zackw@panix.com>
10869 * varray.c: Remove GENERATOR_FILE #ifdefs.
10871 2006-01-22 Zack Weinberg <zackw@panix.com>
10873 * genautomata.c (output_reserved_units_table): Emit nothing if
10874 description->query_units_num is zero. Remove extra blank line.
10875 (output_cpu_unit_reservation_p): Short circuit
10876 if description->query_units_num is zero.
10878 2006-01-22 Zack Weinberg <zackw@panix.com>
10880 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10881 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10882 nor any of the random handful of variables that used to be necessary
10883 when this program was linked with rtlanal.o. Prune set of forward
10884 function declarations.
10885 (struct attr_desc): Remove static_p field.
10886 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10887 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10888 (attr_string): Do not read the character one past the length of
10890 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10891 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10892 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10893 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10894 (make_automaton_attrs): New.
10895 (main): Do not call into genautomata. Call local gen_bypass
10896 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10897 Remove special case for insn_alts.
10898 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10899 varray.h (leftover from previous change). Prune set of forward
10900 function declarations. Remove state_alts fields from all
10901 structures. Remove state_alts_table from struct automaton.
10902 Make everything except main static. Do not maintain num_dfa_decls.
10903 Do not maintain state_alts fields of various structures.
10904 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10905 (add_arc): Remove state_alts argument. All callers updated.
10906 (output_reserved_units_table): Emit #ifdef here...
10907 (output_tables): ...not here. Don't generate state_alts tables.
10908 (expand_automata): Don't generate attributes.
10909 (write_automata): Don't generate state_alts functions.
10910 (main): New function.
10911 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10912 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10913 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10914 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10915 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10916 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10917 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10918 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10920 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10921 * genattrtab.h: Delete file.
10922 * Makefile.in (OBJS-common): Add insn-automata.o.
10923 (insn-automata.o): New rule.
10924 (simple_generated_c): Add insn-automata.c.
10925 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10926 (genprogmd): Add automata.
10927 (build/genattrtab): Needs no extra objects nor libraries.
10928 (build/genautomata): Needs build/vec.o and -lm.
10930 2006-01-22 Zack Weinberg <zackw@panix.com>
10932 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10933 (output_dfa_max_issue_rate, locked_states_num): Delete.
10934 (struct automaton): Add locked_states field.
10935 (output_dead_lock_vect): Save number of locked states in
10936 automaton->locked_states. If it is zero, don't print anything.
10937 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10938 (output_internal_dead_lock_func): Only test the dead_lock_vect
10939 for automata that have locked states.
10940 (output_statistics): Always print the number of locked states for
10941 each automaton. Calculate total number of locked states here.
10942 (write_automata): Don't call output_dfa_max_issue_rate.
10943 * genattrtab.c: Define length_unit_log as a const variable.
10944 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10945 max_insn_queue_index const.
10946 * final.c (length_unit_log): Declare const.
10947 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10949 2006-01-22 Zack Weinberg <zackw@panix.com>
10951 * genautomata.c: Include vec.h, not varray.h.
10952 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10953 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10954 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10955 VEC_* macros operating on appropriately typed vectors, or to
10956 malloced arrays when the size is known in advance. Const-ify
10957 many char* variables and function arguments. No functional changes.
10958 * Makefile.in (build/varray.o): Delete rule.
10959 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10960 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10962 2006-01-22 Zack Weinberg <zackw@panix.com>
10964 * gensupport.c: Define get_insn_name and record_insn_name here.
10965 (read_md_rtx): Call record_insn_name as appropriate.
10966 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10967 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10968 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10970 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10971 (BUILD_VARRAY): Delete.
10972 (genprognormal): Rename genprogmd. Fold in all programs from
10973 genprognoprint; also attrtab.
10974 (build/genattrtab): Just mention genautomata.o and varray.o.
10975 Reorganize a bit, add comments to make the categories clearer.
10977 2006-01-22 Zack Weinberg <zackw@panix.com>
10979 * genconditions.c (condition_table, add_condition): Delete.
10980 (write_conditions): Don't emit n_insn_conditions nor
10981 insn_elision_unavailable. Issue the gcc version #ifdef here,
10982 inside the table, with no #else clause ...
10983 (write_header): ...not here.
10984 (write_writer): New function.
10985 (main): Don't initialize condition_table. Use add_c_test.
10987 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10988 files on the command line.
10989 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10990 Return -1 if there is no entry in the table, don't abort.
10991 (add_c_test, traverse_c_tests): New functions.
10992 * gensupport.h (insn_elision_unavailable, insn_conditions)
10993 (n_insn_conditions): Delete declarations.
10994 (add_c_test, traverse_c_tests): Declare.
10995 * read-rtl.c: Include gensupport.h.
10996 (read_conditions): New function.
10997 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10998 (read_rtx_1): If we get EOF when we were looking for an initial
10999 open paren, return 0. Call read_conditions when appropriate.
11000 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11001 dummy-conditions.o. Eliminate references to insn-conditions.o,
11002 or change them to build/gencondmd.o, as appropriate. Remove
11003 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11004 from $(simple_generated_c). For all files remaining in those
11005 two lists, add insn-conditions.md to the generator command line.
11006 Give insn-constants.h/s-constants their own rules. Add rules
11007 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11008 (build/read-rtl.o): Depend on gensupport.h.
11009 (genprognormal): Include preds.
11010 (genprogearly): Rename genprognoprint; only difference is now that
11011 they don't link with $(BUILD_PRINT).
11012 * dummy-conditions.c: Delete.
11014 2006-01-22 Zack Weinberg <zackw@panix.com>
11016 * genextract.c: Don't include insn-config.h. Do include vec.h.
11017 Declare vectors of int, char, and locstr.
11018 (locstr): New typedef.
11019 (struct extraction): Make all array fields into bare pointers.
11020 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11021 (insn_code_number): Delete.
11022 (accum_extract): New struct.
11023 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11024 (gen_insn): Take insn_code_number as an argument. Use an
11025 accum_extract structure instead of loading data directly into
11026 a struct extraction, and having to know how big it might get.
11027 (walk_rtx): Operate entirely on an accum_extract structure.
11028 (print_path): Avoid unnecessary use of printf.
11029 (print_header): New function, split out of main. Distinguish
11030 more carefully between an unrecognizable insn and an insn that
11031 has the code number of a define_expand.
11032 (main): Pass insn_code_number to gen_insn. Call print_header
11033 only after parsing. Avoid unnecessary use of printf.
11034 * Makefile.in (build/vec.o): New rule.
11035 (build/genextract): Depend on build/vec.o.
11036 (build/genextract.o): Don't depend on insn-config.h.
11038 2006-01-22 Zack Weinberg <zackw@panix.com>
11040 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11041 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11042 practical. Eliminate per-generator-program link rules.
11044 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11046 PR middle-end/24437
11047 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11048 with a call expr to ...
11049 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11051 2006-01-23 Richard Guenther <rguenther@suse.de>
11053 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11054 before make_edge with conditional EDGE_TRUE_VALUE.
11056 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11057 Jan Hubicka <jh@suse.cz>
11058 Richard Guenther <rguenther@suse.de>
11060 PR rtl-optimization/25654
11061 * cfgexpand.c (aggregate_contains_union_type): New function.
11062 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11063 for structure variables that contain a union type.
11065 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11067 * gengtype.c (new_structure): Return the structure.
11068 (create_option): Add an extra "next" argument.
11069 (create_field): New function.
11070 (adjust_field_rtx_def): Use create_option and create_field.
11071 Remove a now-unnecessary call to find_structure.
11072 (adjust_field_tree_def): Likewise.
11073 (note_yacc_type): Remove an unnecessary call to find_structure.
11074 * gengtype.h (new_structure): Return the structure.
11075 (create_option): Add an extra argument.
11076 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11077 (option): Adjust calls to create_option.
11079 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11081 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11083 2006-01-22 Paul Brook <paul@codesourcery.com>
11084 Peter Barada <peter@the-baradas.com>
11086 * config/m68k/m68k.md: Add Coldfire FPU support.
11087 Define FP mode macro and associated attributes.
11088 Use it for float mode patterns.
11089 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11090 (LIBCALL_VALUE): Use m68k_libcall_value.
11091 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11092 (m68k_function_value): Ditto.
11093 (emit_move_sequence): Ditto.
11094 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11095 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11096 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11097 (MULTILIB_EXCEPTIONS): Ditto.
11098 * config/m68k/m68k.opt: Add mcfv4e.
11099 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11100 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11101 (m68k_output_function_prologue): Save ColdFire FPU registers.
11102 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11103 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11104 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11105 ColdFire FPU registers.
11106 (m68k_libcall_value, m68k_function_value): New functions.
11107 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11108 (LIBCALL_VALUE): Use m68k_libcall_value.
11109 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11110 (MASK_COLDFIRE): Add MASK_CFV4E.
11111 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11112 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11113 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11114 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11115 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11116 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11117 * doc/invoke.tex: Document -mcfv4e on m68k.
11119 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11121 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11124 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11127 * c-opts.c (c_common_handle_option): Don't include
11128 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11129 * doc/invoke.texi (C++ Dialect Options): Document that
11130 -Wnon-virtual-dtor is no longer included in -Wall.
11132 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11134 * gcov.c (print_version), gcov-dump.c (print_version),
11135 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11138 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11140 * df-scan.c (problem_SCAN): Added NULL reset function.
11141 (df_scan_reset_blocks): Added code to call reset block function
11142 (df_bb_refs_delete) Fixed comment.
11143 (df_insn_refs_delete): Made tolerant of deleting non existent info
11144 for dataflow problems that need to be reset.
11145 * df-core.c (df_set_blocks): Ditto.
11146 * df.h (struct df_problem): Added reset_fun.
11147 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11148 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11149 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11150 functions to clear out all references to def-use or use-def chains.
11152 2006-01-21 Ben Elliston <bje@au.ibm.com>
11154 * varasm.c (assemble_real): Initialise data array.
11156 2006-01-20 Paul Brook <paul@codesourcery.com>
11158 Merge from csl-arm-branch.
11159 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11160 * config/arm/arm.md (movdi): Force operands[1] to a register
11161 if we have a non-register source.
11162 (*arm_movdi, *movdf_soft_insn): Require that one of the
11163 operands be a register.
11164 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11165 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11167 2006-01-20 DJ Delorie <dj@redhat.com>
11169 * varasm.c (initializer_constant_valid_p): Allow pointers
11170 initialized from integer constants of lesser precision.
11171 (output_constant): Allow non-int-sized pointer modes to be
11172 initialized from integer constants.
11174 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11177 * cppdefault.h (struct default_include): Add multilib flag.
11178 * cppdefault.c (cpp_include_defaults): Set it.
11179 * c.opt (-imultilib): New option.
11180 * c-opts.c (imultilib): New.
11181 (c_common_handle_option): Handle -imultilib.
11182 (c_common_post_options): Likewise.
11183 * c-incpath.c (add_standard_paths, register_include_chains):
11185 * c-incpath.h (register_include_chains): Add extra parameter.
11186 * gcc.c (do_spec_1): Generate -imultilib option.
11187 (The Specs Language): Update %I description.
11188 (process_command): Update copyright notice.
11189 * doc/cppopts.texi (-imultilib): Document.
11190 * doc/invoke.texi (-imultilib): Include in option summary.
11191 (%I): Update specs documentation.
11193 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11195 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11197 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11199 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11202 2006-01-20 Richard Guenther <rguenther@suse.de>
11203 Steven Bosscher <stevenb.gcc@gmail.com>
11205 PR rtl-optimization/24626
11206 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11207 EDGE_TRUE_VALUE if in RTL mode.
11210 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11211 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11213 2006-01-20 Dirk Mueller <dmueller@suse.com>
11216 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11217 instead of a special NOP marker.
11218 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11219 NOP marker handling.
11220 * c-common.h (empty_body_warning): Add forward declaration.
11221 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11222 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11224 2006-01-20 Paul Brook <paul@codesourcery.com>
11226 * Makefile.in (lang_checks): Keep going if mkdir fails.
11228 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11230 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11231 be able to clean out basic block when not necessary.
11232 (df_scan_free): Fixed to properly delete information if df is
11233 unused before calling df_finish.
11234 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11235 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11237 (df_bb_refs_delete): New function.
11238 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11239 * df-core.c (df_set_blocks): Added code to properly clean out
11240 unused blocks if they are not part of the blocks to consider.
11241 Added additional null check.
11242 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11243 be able to clean out basic block when not necessary
11244 * df.h (df_free_bb_function): Ditto.
11245 (df_bb_refs_delete): New function.
11246 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11247 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11248 basic block parameter to be able to clean out basic block when not
11250 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11251 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11252 Fixed to properly delete information if df is unused before
11255 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11257 PR rtl-optimization/25799
11258 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11259 Corrected confluence operator to remove bits from op2 before oring
11260 with op1 rather than removing bits from op1.
11261 (df_ru_transfer_function): Corrected test on wrong bitmap which
11262 caused infinite loop. Both of these problems were introduced in
11263 the dataflow rewrite.
11265 2006-01-19 DJ Delorie <dj@redhat.com>
11267 * reload1.c (find_reload_regs): Note the details of reload
11268 failures in the dump file.
11269 (spill_failure): Likewise.
11271 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11273 * loop-iv.c: Include df.h and hashtab.h.
11274 (enum iv_grd_result): New enum.
11275 (DF_REF_IV, DF_REF_IV_SET): New macros.
11276 (struct biv_entry): New.
11277 (df, bivs): New global variables.
11278 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11279 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11281 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11282 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11283 analyzed_for_bivness_p, record_biv): New functions.
11284 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11285 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11286 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11288 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11290 (iv_number_of_iterations): Use new interface to iv analysis.
11291 * loop-unroll.c: Do not include varray.h.
11292 (analyze_iv_to_split_insn): Use new interface to iv
11294 * loop-unswitch.c (may_unswitch_on): Ditto.
11295 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11297 (df_bb_modify): Realloc tables to the new index.
11298 (df_find_use): New function.
11299 * df.h (df_find_use): Declare.
11300 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11302 * cfgloop.h (struct rtx_iv): Remove analysed field.
11303 (iv_get_reaching_def): Removed.
11304 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11305 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11306 (loop-iv.o): Add df.h and hashtab.h dependency.
11307 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11309 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11312 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11314 (__floatundisf, __floatundidf): Likewise.
11315 * libgcc2.h (IS_IBM_EXTENDED): Define.
11317 2006-01-19 DJ Delorie <dj@redhat.com>
11319 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11321 2006-01-19 Paul Brook <paul@codesourcery.com>
11323 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11324 as nothrow when unwinding tables are disabled.
11326 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11329 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11330 of bit-field" when in system header.
11332 2006-01-19 DJ Delorie <dj@redhat.com>
11334 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11335 the 16 bit shift limit of the m16c.
11337 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11340 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11341 * config/i386/i386.c (output_set_got): Output the label if we have one
11342 for the TARGET_DEEP_BRANCH_PREDICTION case.
11344 2006-01-19 Jan Hubicka <jh@suse.cz>
11345 H.J. Lu <hongjiu.lu@intel.com>
11346 Evandro Menezes <evandro.menezes@amd.com>
11348 * invoke.texi (generic): Document
11350 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11351 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11352 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11353 (x86_use_incdec, x86_pad_returns): New variables
11354 (TARGET_CPU_DEFAULT_generic): New constant
11355 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11356 (enum processor_type): Add generic32 and generic64.
11357 * i386.md (cpu attribute): Add generic32/generic64
11358 (movhi splitter): Behave sanely when both partial_reg_dependency and
11359 partial_reg_stall are set.
11360 (K8 splitters): Enable for generic as well.
11361 * predicates.md (incdec_operand): Use TARGET_INCDEC
11362 (aligned_operand): Avoid memory mismatch stalls.
11363 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11364 * ppro.md: Enable for generic32
11365 * i386.c (generic64_cost, generic32_cost): New.
11366 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11367 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11368 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11369 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11370 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11371 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11372 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11373 x86_accumulate_outgoing_args, x86_prologue_using_move,
11374 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11375 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11376 Enable for generic.
11377 (x86_use_incdec, x86_pad_returns): New.
11378 (override_options): Add generic32 and generic64, translate "generic"
11379 to generic32/generic64 and "i686" to "generic32", refuse
11380 "generic32"/"generic64" as arch target.
11381 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11382 (ix86_reorg): Honor PAD_RETURNS.
11384 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11386 * tree-pretty-print.c (dump_generic_node): Handle
11387 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11388 * cgraph.c (cgraph_expand_queue): Rename from
11389 cgraph_analyze_queue. Update all users.
11390 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11391 cgraph_expand_queue.
11392 (cgraph_expand_all_functions): Likewise.
11393 (cgraph_finalize_pending_functions): Remove. Update callers.
11395 * tree.h (OMP_DIRECTIVE_P): Define.
11396 (OMP_PARALLEL_FN): Define.
11397 (OMP_PARALLEL_DATA_ARG): Define.
11398 (OMP_SECTIONS_SECTIONS): Define.
11399 * tree-pass.h (pass_expand_omp): Declare.
11400 * omp-low.c (struct omp_region): Declare.
11401 (struct omp_context): Remove fields 'parallel_type',
11402 'parallel_start_ix' and 'parallel_start_additional_args'.
11404 (struct omp_for_data): Rename from struct expand_omp_for_data.
11405 (omp_regions): New static variable.
11406 (root_omp_region): New static variable.
11407 (find_omp_clause): Make static.
11408 (is_in_combined_parallel_ctx): Remove.
11409 (is_combined_parallel): New.
11410 (extract_omp_for_data): Move earlier in the file.
11411 (workshare_safe_to_combine_p): New.
11412 (get_ws_args_for): New.
11413 (determine_parallel_type): Move earlier in the file.
11414 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11416 (omp_copy_decl): Likewise.
11417 (create_omp_child_function): Likewise.
11418 (lookup_omp_region): New.
11419 (dump_omp_region): New.
11420 (debug_omp_region): New.
11421 (debug_all_omp_regions): New.
11422 (new_omp_region): New.
11423 (scan_omp_parallel): If parallel_nesting_level > 1, the
11424 directive is nested within another parallel directive.
11425 Set OMP_PARALLEL_FN.
11426 (scan_omp_for): Do not try to handle combined parallel+for
11428 Remove FIXME comment.
11429 (scan_omp_nested): Remove.
11430 (scan_omp_1): Do not call scan_omp_nested when
11431 parallel_nesting_level is > 1.
11432 Do not change the DECL_CONTEXT of local variables found.
11433 (lookup_decl_in_outer_ctx): New.
11434 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11435 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11436 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11437 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11438 If CTX is nested, lookup VAR in the outer context when
11439 building copy assignment.
11440 (lower_send_clauses): Rename from expand_send_clauses.
11441 If CTX is nested, lookup VAR in the outer context when
11442 building copy assignments.
11443 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11444 If CTX is nested, lookup VAR in the outer context when
11445 building copy assignments.
11446 (expand_parallel_call): Rename from build_parallel_call.
11447 Handle combined parallel+workshare cases.
11448 Re-implement to emit code into the CFG.
11450 (expand_omp_parallel): Re-implement to emit code into the CFG.
11451 Call move_sese_region_to_fn to outline the sub-graph
11452 containing the parallel region.
11453 (expand_omp_for_1): Remove.
11454 (expand_omp_for_generic): Re-implement to emit code into the
11456 (expand_omp_for_static_nochunk): Likewise.
11457 (expand_omp_for_static_chunk): Likewise.
11458 (expand_omp_for): Likewise.
11459 (expand_omp_sections): Likewise.
11460 (remove_exit_barriers): New.
11461 (expand_omp_synch): New.
11463 (build_omp_regions_1): New.
11464 (build_omp_regions): New.
11465 (execute_expand_omp): New.
11466 (gate_expand_omp): New.
11467 (pass_expand_omp): Define.
11468 (lower_omp_sections): Rename from expand_omp_sections.
11469 Set OMP_SECTIONS_SECTIONS.
11470 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11471 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11472 (lower_omp_single): Rename from expand_omp_simple.
11473 (lower_omp_master): Rename from expand_omp_master.
11474 (lower_omp_ordered): Rename from expand_omp_ordered.
11475 (lower_omp_critical): Rename from expand_omp_critical.
11476 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11477 (lower_omp_for): Re-implement.
11478 (lower_omp_parallel): Re-implement.
11479 (lower_regimplify): Rename from expand_regimplify.
11480 (lower_omp_1): Rename from expand_omp_1.
11481 If there are syntax errors in the program, replace every
11482 OpenMP directive with NOP.
11483 Call lower_omp_* instead of expand_omp_*.
11484 (lower_omp): Rename from expand_omp.
11486 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11487 * tree-gimple.h (enum omp_parallel_type): Remove.
11488 (gimple_boolify): Declare extern.
11489 (find_omp_clause, determine_parallel_type): Remove.
11491 * gimple-low.c (lower_omp_directive): New.
11492 (lower_stmt): Call it.
11493 (record_vars_into): Move from ...
11494 (record_vars): ... here.
11495 Call record_vars_into with current_function_decl.
11497 * gimplify.c (struct gimplify_ctx): Remove fields
11498 combined_pre_p and combined_ctxp. Update users.
11499 (get_formal_tmp_var): Add documentation.
11500 (gimple_boolify): Make extern.
11501 (gimplify_expr_in_ctx): Remove. Update callers.
11502 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11503 will always be a BIND_EXPR.
11504 (gimplify_expr): Handle OMP_RETURN_EXPR.
11505 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11506 (OMP_PARALLEL): Add 3 operands.
11507 (OMP_SECTIONS): Add 1 operand.
11508 (OMP_RETURN_EXPR): Define.
11510 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11511 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11512 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11513 creating a circular free list.
11514 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11516 * tree-flow.h (move_sese_region_to_fn): Declare.
11517 (record_vars_into): Declare.
11518 * tree-cfg.c (make_omp_sections_edges): New.
11519 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11520 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11521 OMP_SECTIONS and OMP_SECTION.
11522 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11523 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11524 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11525 (gather_blocks_in_sese_region): New.
11526 (struct move_stmt_d): Declare.
11527 (move_stmt_r): New.
11528 (move_block_to_fn): New.
11529 (move_sese_region_to_fn): New.
11531 * passes.c (init_optimization_passes): Schedule
11532 pass_expand_omp after pass_init_datastructures.
11534 * tree-ssa-operands.c (get_expr_operands): Handle
11535 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11536 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11538 2006-01-19 Jeff Law <law@redhat.com>
11540 * tree-vrp.c (extract_range_from_assert): Refine the result range
11541 if the variable referenced by the ASSERT_EXPR has a range and
11542 either the tentative result range or the previous range is a
11545 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11547 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11549 2006-01-19 Jan Hubicka <jh@suse.cz>
11551 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11553 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11555 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11556 (expand_compound_operation, expand_field_assignment): Fail if the
11557 bit lengths of an extract operation are out of range.
11558 (make_extraction): Compute wanted_inner_mode based on the position
11559 and length of the extraction. Make it extraction_mode for non-constant
11560 positions, and do not modify offset in that case. When generating a
11561 new MEM, use a mode that can hold the extraction while keeping correct
11562 alignment. Remove code that supported MEMs wrapped by USEs.
11563 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11565 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11567 * config/s390/s390.md ("Y", "y"): New mode attribute.
11568 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11569 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11570 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11571 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11572 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11573 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11574 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11575 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11576 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11577 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11578 "addsi3", "subsi3"): Insn patterns removed.
11579 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11580 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11581 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11582 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11583 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11584 "*sub<mode>3_cconly2"): New insn patterns.
11585 ("addsi3", "subsi3"): New expanders.
11587 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11589 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11590 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11591 existing STMT_VINFO_VECTYPE if available.
11592 (vect_mark_relevant): Add special handling for stmts that are
11593 marked as STMT_VINFO_IN_PATTERN_P.
11594 (vect_analyze_loop): Call vect_pattern_recog.
11595 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11596 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11598 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11599 (vect_recog_func_ptr): New function-pointer type.
11600 * tree-vect-patterns.c: New file.
11601 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11602 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11603 (vect_pattern_recog_1): New functions.
11604 (vect_pattern_recog_funcs): New array of function pointers.
11606 * tree-vectorizer.h (ternary_op): New enum value.
11607 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11608 declaration. Revised documentation. Removed redundant dump prints.
11609 Removed redundant argument. Added support for reduction patterns.
11610 (vectorizable_reduction): Added support for reduction patterns.
11611 (vect_transform_stmt): Added support for patterns.
11613 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11614 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11615 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11616 (expand_widen_pattern_expr): New function.
11617 (init_optabs): Initialize new optabs udot_prod_optab,
11619 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11620 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11621 (expand_widen_pattern_expr): New function declaration.
11622 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11624 * tree-inline.c (estimate_num_insns_1): Added cases for new
11625 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11626 * tree-pretty-print.c (dump_generic_node): Likewise.
11627 (op_prio): Likewise.
11628 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11629 * tree-ssa-operands.c (get_expr_operands): Added case for
11631 * tree-vect-patterns.c (widened_name_p): New function.
11632 (vect_recog_dot_prod_pattern): Added function implementation.
11633 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11634 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11635 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11636 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11638 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11639 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11640 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11641 (init_optabs): Initialize new optabs widen_ssum_optab,
11643 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11644 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11645 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11646 use instead of type of def.
11647 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11648 function implementation.
11649 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11650 widen_ssumv8hi): New.
11652 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11655 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11658 * c-decl.c (add_flexible_array_elts_to_size): New function.
11659 (finish_decl): Use it.
11661 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11663 * diagnostic.h: Include options.h.
11664 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11665 dependancies for diagnostic.h.
11666 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11668 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11670 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11671 (ssa_ro_call_cache_valid): Ditto.
11672 * tree-ssa-alias.c (sort_tags_by_id): New function.
11673 (init_transitive_clobber_worklist): Ditto.
11674 (add_to_worklist): Ditto.
11675 (mark_aliases_call_clobbered): Ditto.
11676 (compute_tag_properties): Ditto.
11677 (set_initial_properties): Ditto.
11678 (compute_call_clobbered): Ditto.
11679 (compute_may_aliases): Call compute_call_clobbered and grouping.
11680 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11681 (compute_flow_insensitive_aliasing): Grouping now happens in our
11683 (setup_pointers_and_addressables): Remove clobbering related code.
11684 (add_may_alias): Ditto.
11685 (replace_may_alias): Ditto.
11686 (get_nmt_for): Ditto.
11687 (create_global_var):
11688 (is_escape_site): Return an escape_type enumeration.
11689 * tree-flow-inline.h (is_call_clobbered): Global var does not
11690 imply call clobbered.
11691 (mark_call_clobbered): Take a reason for marking this. Remove
11692 marking of globalness, and cache invalidation.
11693 (clear_call_clobbered): Remove cache invalidation code.
11694 * tree-dfa.c (dump_variable): If details is on, dump the reason
11696 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11698 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11699 (struct var_ann_d): Ditto.
11700 (enum escape_type): New.
11701 (mark_call_clobbered): Adjust prototype.
11702 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11703 are never call clobbered.
11704 Record reasons for escaping.
11705 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11706 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11707 (ssa_ro_call_cache_valid): Ditto.
11708 (clobbered_v_may_defs): Ditto.
11709 (clobbered_vuses): Ditto.
11710 (ro_call_vuses): Ditto.
11711 (clobber_stats): New.
11712 (init_ssa_operands): Zero out clobber stats.
11713 (fini_ssa_operands): Print out clobber stats.
11714 (get_call_expr_operands): Pass callee fndecl to
11715 add_call_read_ops).
11716 (add_call_clobber_ops): Remove use of cache.
11717 Add use of PURE_CONST information.
11718 (add_call_read_ops): Remove use of cache.
11719 Add use of static not_read information.
11721 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11723 Introduce TLS descriptors for i386 and x86_64.
11724 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11725 (TARGET_ANY_GNU_TLS): New macro.
11726 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11727 (struct machine_function): Add tls_descriptor_call_expanded_p.
11728 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11729 (ix86_current_function_calls_tls_descriptor): Likewise.
11730 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11731 (override_options): Introduce gnu2 tls dialect.
11732 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11734 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11736 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11737 (ix86_init_machine_status): Initialize new field.
11738 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11739 (ix86_tls_module_base): New.
11740 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11741 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11742 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11743 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11744 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11745 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11746 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11747 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11748 * config/i386/predicates.md (tls_modbase_operand): New.
11749 (tp_or_register_operand): New.
11751 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11753 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11754 (look_for_address_of): Ditto.
11755 (ipa_init): Walk the function decls.
11756 (static_execute): Don't set readonly on FUNCTION_DECL's.
11758 2006-01-18 Roger Sayle <roger@eyesopen.com>
11760 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11761 for shifts where the source and destination registers are different.
11763 2006-01-18 Paul Brook <paul@codesourcery.com>
11765 Merge from csl-arm-branch.
11766 2005-03-14 Julian Brown <julian@codesourcery.com>
11767 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11768 (aeabi_llsl): Likewise.
11769 (ashrdi3): Likewise.
11770 (aeabi_lasr): Likewise.
11771 (lshrdi3): Likewise.
11772 (aeabi_llsr): Likewise.
11773 2005-03-10 Julian Brown <julian@codesourcery.com>
11774 * config.gcc: Disable shared libgcc for SymbianOS.
11775 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11777 2006-01-18 DJ Delorie <dj@redhat.com>
11779 * c-pragma.c (handle_pragma_diagnostic): New.
11780 (init_pragma): Register it.
11781 * doc/extend.texi: Document it.
11783 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11784 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11785 (diagnostic_context): Add classify_diagnostic[].
11786 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11787 as errors if they're overridden to DK_WARNING.
11788 (diagnostic_initialize): Initialize classify_diagnostic[].
11789 (diagnostic_set_kind_override): New.
11790 (diagnostic_report_diagnostic): Check for kind changes.
11791 * opts.c (common_handle_option): Take lang_mask. Update callers.
11792 Handle OPT_Werror_.
11793 * common.opt (Werror=): New.
11794 * doc/invoke.texi: Document -Werror=*
11796 2006-01-18 Jeff Law <law@redhat.com>
11798 * tree-vrp.c (test_for_singularity): Correct test for new
11799 min limit. Use operand_equal_p rather than pointer equality
11800 for testing if new min/max values are equal.
11802 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11803 using range information until after propagation and folding.
11805 2006-01-18 Richard Henderson <rth@redhat.com>
11806 Aldy Hernandez <aldyh@redhat.com>
11807 Jakub Jelinek <jakub@redhat.com>
11808 Diego Novillo <dnovillo@redhat.com>
11810 * omp-low.c: New file.
11811 * c-omp.c: New file.
11813 2006-01-18 Richard Henderson <rth@redhat.com>
11814 Jakub Jelinek <jakub@redhat.com>
11815 Diego Novillo <dnovillo@redhat.com>
11817 * doc/invoke.texi: Document -fopenmp.
11818 * tree-dump.h (debug_function): Declare.
11819 * hooks.c (hook_bool_tree_bool_false): New function.
11820 (hook_tree_tree_null): Remove.
11821 (hook_tree_tree_tree_null): New.
11822 * hooks.h: Update to match.
11823 * tree-pretty-print.c (debug_tree_chain): New.
11824 (print_generic_expr): Handle TDF_CHAIN.
11825 (dump_generic_node): Handle BLOCK.
11826 Do not abort with incomplete SWITCH_EXPRs.
11827 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11828 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11829 print space after directive name.
11830 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11831 Handle OMP_MASTER and OMP_ORDERED.
11832 Handle printing of OMP_BODY just in one place, goto
11833 dump_omp_body in the rest of OMP_* nodes that have
11835 Don't handle clause nodes here. Update omp statements to
11836 use dump_omp_clauses.
11837 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11838 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11839 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11840 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11841 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11842 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11843 Adjust output for GOMP_PARALLEL.
11844 (dump_omp_clauses): New.
11845 (print_declaration): Dump DECL_VALUE_EXPR.
11846 (op_symbol_1): Split out of op_symbol.
11847 (dumping_stmts): Remove. Update all users.
11848 * cgraph.c (cgraph_analyze_queue): New.
11849 (cgraph_add_new_function): New.
11850 * cgraph.h (cgraph_analyze_queue): Declare.
11851 (cgraph_add_new_function): Declare.
11852 (cgraph_lower_function): Remove.
11853 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11854 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11855 and TYPE_P nodes in its default clause.
11856 (empty_body_p): New.
11857 (tree_range_check_failed): New.
11858 (build5_stat): New.
11859 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11860 OMP_CLAUSE_REDUCTION_MERGE,
11861 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11862 OMP_CLAUSE_PRIVATE_DEBUG,
11863 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11864 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11865 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11866 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11867 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11868 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11869 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11870 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11871 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11872 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11873 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11874 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11875 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11876 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11877 (TREE_RANGE_CHECK): New.
11878 (empty_body_p): Declare.
11879 (enum omp_clause_default_kind): New.
11880 (build_string_literal): Declare.
11881 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11882 (build5_stat, build5): Declare.
11883 * tree-pass.h (TDF_CHAIN): Define.
11884 * tree-pass.h (PROP_gimple_lomp): Define.
11885 (pass_lower_omp): Declare.
11886 * diagnostic.h (debug_tree_chain): Declare.
11887 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11889 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11890 * builtins.c (build_string_literal): Make extern.
11891 * gcc.c (include_spec_function): New.
11892 (static_spec_functions): Add it.
11893 (main): Move load of libgomp.spec ...
11894 (LINK_COMMAND_SPEC): ... here.
11895 (link_gomp_spec): New.
11896 (static_specs): Include it.
11897 (LINK_COMMAND_SPEC): Add link_gomp.
11898 (GOMP_SELF_SPECS): New.
11899 (driver_self_specs): Include it.
11900 (switch_matches): Don't mark inline.
11901 (main): Load libgomp.spec.
11902 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11903 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11904 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11905 * tree-gimple.h (enum omp_parallel): Declare.
11906 (determine_parallel_type): Declare.
11907 (omp_firstprivatize_variable): Declare.
11908 (omp_reduction_init): Declare.
11909 (diagnose_omp_structured_block_errors): Declare.
11910 (struct walk_stmt_info): Add want_return_expr.
11911 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11912 (find_omp_clause): Declare.
11913 (insert_field_into_struct): Declare.
11914 (struct walk_stmt_info): Move from tree-nested.c
11915 (walk_stmts): Declare.
11916 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11918 * cgraphunit.c (cgraph_lower_function): Make static.
11919 (cgraph_finalize_pending_functions): New.
11920 (cgraph_finalize_function): Call it.
11921 (cgraph_finalize_compilation_unit): Likewise.
11922 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11923 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11924 (BT_FN_UINT_UINT): New.
11925 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11926 DEF_FUNCTION_TYPE_VAR_4): Document.
11927 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11928 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11929 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11930 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11931 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11932 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11933 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11934 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11935 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11936 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11937 into separate files.
11938 (DEF_GOMP_BUILTIN): New.
11939 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11940 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11941 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11942 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11943 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11944 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11945 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11946 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11947 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11948 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11949 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11950 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11951 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11952 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11953 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11954 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11955 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11956 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11957 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11958 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11959 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11960 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11961 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11962 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11963 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11964 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11965 * sync-builtins.def: New file, moved from builtins.def.
11966 * omp-builtins.def: New file, moved from builtins.def.
11967 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11968 * gimple-low.c (lower_function_body): Clear data.
11969 (lower_stmt): Do not handle COMPOUND_EXPR.
11970 Remove call to print_node_brief.
11971 * c-tree.h (c_finish_omp_clauses): New prototype.
11972 (C_DECL_THREADPRIVATE_P): Define.
11973 (lookup_name_no_remap, c_omp_remap_private): Remove
11974 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11975 (check_for_loop_decls): Update decl.
11976 (lookup_name_no_remap, c_omp_remap_private): Declare.
11977 (build_indirect_ref, build_modify_expr, pushdecl,
11978 pushdecl_top_level): Move to c-common.h.
11979 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11980 before the switch, but just in the 2 places that need it.
11981 * c-decl.c (diagnose_mismatched_decls): Do not check for
11982 mismatched thread-local attributes when OLDDECL is marked
11983 threadprivate and NEWDECL has no thread-local attributes.
11984 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11985 (c_gimple_diagnostics_recursively): Rename from
11986 c_warn_unused_result_recursively. Invoke
11987 diagnose_omp_structured_block_errors.
11988 (check_for_loop_decls): Return a singular decl found.
11989 * langhooks.c (lhd_omp_predetermined_sharing): Return
11990 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11991 (lhd_omp_firstprivatize_type_sizes): New.
11992 (lhd_omp_assignment): New.
11993 (lhd_omp_predetermined_sharing): New.
11994 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11995 (struct lang_hooks_for_types): Add
11996 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11997 omp_predetermined_sharing, omp_disregard_value_expr,
11998 omp_private_debug_clause, omp_clause_default_ctor,
11999 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12000 (c_finish_omp_clauses): New.
12001 (c_finish_bc_stmt): Diagnose break within omp for.
12002 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12003 (build_unary_op): Return error_mark after reporting
12005 (build_modify_expr): Likewise.
12006 * gimplify.c: Include optabs.h and pointer-set.h.
12007 (enum gimplify_omp_var_data): Declare.
12008 (struct gimplify_omp_ctx): Declare.
12009 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12011 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12012 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12013 (splay_tree_compare_decl_uid): New.
12014 (new_omp_context): New.
12015 (delete_omp_context): New.
12016 (gimple_add_tmp_var): Call omp_add_variable.
12017 (gimplify_bind_expr): Likewise.
12018 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12019 true, disregard DECL_VALUE_EXPR on the decl if any.
12020 (gimplify_expr_in_ctx): New.
12021 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12022 omp_add_variable, omp_notice_variable, omp_is_private
12023 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12024 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12025 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12026 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12027 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12028 gimplify_omp_atomic): New.
12029 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12030 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12031 OMP_CRITICAL and OMP_ATOMIC.
12032 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12033 * c-pragma.h (enum pragma_kind): Add
12034 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12035 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12036 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12037 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12038 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12039 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12040 PRAGMA_OMP_THREADPRIVATE.
12041 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12042 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12043 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12044 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12045 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12046 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12047 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12048 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12049 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12050 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12051 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12052 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12053 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12055 (struct nesting_info): Add field_map,
12056 suppress_expansion, debug_var_chain.
12057 (create_nesting_tree): Initialize them.
12058 (lookup_field_for_decl): Use field_map.
12059 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12060 (convert_local_omp_clauses): New.
12061 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12062 (walk_body): Split out of walk_function.
12063 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12064 (convert_nonlocal_reference): Handle omp statements.
12065 (convert_local_reference): Likewise.
12066 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12067 (unnest_nesting_tree): New.
12068 (lower_nested_functions): Call it.
12069 (insert_field_into_struct): Make extern.
12070 (struct walk_stmt_info): Move to tree-gimple.h.
12071 (walk_stmts): Make extern.
12072 * omp-builtins.def: New file.
12073 * tree-iterator.c (expr_only): Clarify comment.
12074 * c-common.h (pushdecl_top_level, pushdecl,
12075 build_modify_expr, build_indirect_ref,
12076 c_finish_omp_master, c_finish_omp_critical,
12077 c_finish_omp_ordered, c_finish_omp_barrier,
12078 c_finish_omp_atomic, c_finish_omp_flush,
12079 c_finish_omp_for, c_split_parallel_clauses,
12080 omp_clause_default_kind, c_omp_sharing_predetermined,
12081 c_omp_remap_decl): Declare.
12082 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12083 (OBJS-common): Add omp-low.o.
12084 (c-omp.o, omp-low.o): Add.
12085 (gimplify.o): Add dependency on $(OPTABS_H).
12086 (GTFILES): Add omp-low.c.
12087 (gt-stringpool.h): Add.
12088 * tree-cfg.c (set_bb_for_stmt): Do not update the
12089 block-to-labels map if we are currently expanding to RTL.
12090 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12092 Handle IDENTIFIER_NODE.
12093 (tree_verify_flow_info): Do not ICE when emitting error
12094 messages about invalid labels.
12095 (dump_function_to_file): Reset CFUN before emitting the body
12097 (debug_function): New.
12098 * passes.c (init_optimization_passes): Schedule
12100 * langhooks-def.h (lhd_omp_predetermined_sharing,
12101 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12103 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12104 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12105 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12106 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12107 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12108 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12109 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12110 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12111 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12112 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12113 (LANG_HOOK_DECLS): Use them.
12115 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12116 Richard Henderson <rth@redhat.com>
12117 Jakub Jelinek <jakub@redhat.com>
12118 Diego Novillo <dnovillo@redhat.com>
12120 * c-parser.c (pragma_omp_clause): Define.
12121 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12122 (c_parser_compound_statement): Likewise.
12123 (c_parser_statement): Likewise.
12124 (c_parser_pragma): Handle omp pragmas.
12125 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12126 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12127 (c_parser_omp_clause_name, check_no_duplicate_clause,
12128 c_parser_omp_variable_list,
12129 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12130 c_parser_omp_clause_copyprivate,
12131 c_parser_omp_clause_default,
12132 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12133 c_parser_omp_clause_lastprivate,
12134 c_parser_omp_clause_nowait,
12135 c_parser_omp_clause_num_threads,
12136 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12137 c_parser_omp_clause_reduction,
12138 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12139 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12140 c_parser_omp_atomic, c_parser_omp_barrier,
12141 c_parser_omp_critical, c_parser_omp_flush,
12142 c_parser_omp_for_loop, c_parser_omp_for,
12143 c_parser_omp_master, c_parser_omp_ordered,
12144 c_parser_omp_sections_scope, c_parser_omp_sections,
12145 c_parser_omp_parallel, c_parser_omp_single,
12146 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12147 * c-pragma.c (init_pragma): Do omp pragma registration here.
12148 * c.opt (fopenmp): New flag.
12150 2006-01-18 Eric Christopher <echristo@apple.com>
12152 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12153 * config/darwin.h (GOMP_SELF_SPECS): Define.
12155 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12157 * rtl.h: Remove the prototype for reg_alloc.
12159 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12162 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12163 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12164 sjlj and dwarf2 exception handling.
12165 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12166 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12167 * pa/pa.c (function_value): Treat complex and vector types as
12169 (function_arg): Likewise. Only pass scalar floats in the floating
12170 point argument registers.
12171 * pa/t-slibgcc-dwarf-ver: New file.
12172 * pa/t-slibgcc-sjlj-ver: New file.
12173 * pa/t-slibgcc-elf-ver: Delete file.
12175 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12177 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12178 unlikely_test_section_p test.
12180 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12182 * mode-switching.c (optimize_mode_switching): Make it static.
12183 * basic-block.h: Remove the prototype for
12184 optimize_mode_switching.
12186 * modulo-sched.c (sms_schedule): Make it static.
12187 * rtl.h: Remove the prototype for sms_schedule.
12189 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12190 * rtl.h: Remove the prototype for gcse_after_reload_main.
12192 * reg-stack.c (reg_to_stack): Make it static.
12193 * rtl.h: Remove the prototype for reg_to_stack.
12195 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12197 * rtl.h: Remove the prototypes for regrename_optimize and
12198 copyprop_hardreg_forward.
12200 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12202 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12203 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12204 Test against the appropriate null constant for the mode.
12205 If 'fixup_overlap' is true, swap the operands if they overlap.
12206 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12207 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12208 alpha_split_tmode_pair and adjust for above change.
12209 * config/alpha/alpha.md (movtf_internal): Adjust call to
12210 alpha_split_tfmode_pair and rely on it to swap the operands.
12211 (movti_internal): New insn and post-reload splitter.
12212 (movti): New expander.
12214 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12216 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12219 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12221 * rtlanal.c (global_reg_mentioned_p_1,
12222 global_reg_mentioned_p): Remove.
12223 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12225 * flow.c (initialize_uninitialized_subregs): Make it static.
12226 * rtl.h: Remove the prototype for
12227 initialize_uninitialized_subregs.
12229 * function.c (instantiate_virtual_regs): Make it static.
12230 * function.h: Remove the prototype for
12231 instantiate_virtual_regs.
12233 * regmove.c (regmove_optimize, combine_stack_adjustments):
12235 * rtl.h: Remove the prototypes for regmove_optimize and
12236 combine_stack_adjustments.
12238 2006-01-17 Roger Sayle <roger@eyesopen.com>
12240 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12241 (size_cost): Encode costs in bytes so that a reg-reg addition is
12242 equivalent to COSTS_N_INSNS(1).
12243 (override_options): Use the size_cost.branch_cost as the default
12244 ix86_branch_cost when optimizing for size.
12246 2006-01-18 Ben Elliston <bje@au.ibm.com>
12248 * Makefile.in (D32PBIT_FUNCS): New.
12249 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12250 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12251 D64PBIT_FUNCS and D128PBIT_FUNCS.
12252 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12253 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12255 (decnumber_dep): Define.
12256 * doc/libgcc.texi (Decimal float library routines): New node.
12257 * config/dfp-bit.h, config/dfp-bit.c: New files.
12259 2006-01-18 Ben Elliston <bje@au.ibm.com>
12261 * expr.c (emit_move_change_mode): Always adjust addresses, not
12262 just during reload. Copy replacements only during reload.
12263 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12264 emit_move_via_integer.
12266 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12268 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12269 instead of $(srcdir) and ${srcdir}.
12271 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12274 PR middle-end/11135
12275 * arm.h (struct machine_function): Add pic_reg.
12276 * arm.c (arm_pic_register): Make unsigned.
12277 (arm_override_options): Only set arm_pic_register if
12278 TARGET_SINGLE_PIC_BASE.
12279 (use_return_insn): Only test for a pic register if it is fixed.
12280 (arm_compute_save_reg0_reg12_mask): Likewise.
12281 (thumb_compute_save_reg_mask): Likewise.
12282 (legitimate_pic_operand): Factor out some known invariants.
12283 (legitimize_pic_address): If we don't have a fixed pic register,
12284 then set up a pseudo in the function entry sequence. Handle the
12285 pic base being in a pseudo.
12286 (arm_load_pic_register): Handle the pic register being in a pseudo.
12287 (arm_expand_prologue): Only set up the pic register if it is fixed.
12288 (thumb_expand_prologue): Likewise.
12289 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12290 (pic_load_addr_based_insn): Likewise.
12291 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12294 2006-01-18 Ben Elliston <bje@au.ibm.com>
12296 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12297 decimal float modes for all floating point registers.
12299 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12300 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12302 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12305 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12306 even when the pointer is not NULL.
12308 2006-01-16 Ian Lance Taylor <ian@airs.com>
12310 * common.opt (ftoplevel-reorder): New option.
12311 * cgraph.c (cgraph_asm_nodes): New global variable.
12312 (cgraph_asm_last_node): New static variable.
12313 (cgraph_order): New global variable.
12314 (cgraph_create_node): Set new order field.
12315 (cgraph_varpool_node): Likewise.
12316 (decide_is_variable_needed): Return true if not
12317 flag_toplevel_reorder.
12318 (cgraph_add_asm_node): New function.
12319 * cgraph.h (struct cgraph_node): Add order field.
12320 (struct cgraph_varpool_node): Add order field.
12321 (struct cgraph_asm_node): Define.
12322 (cgraph_asm_nodes, cgraph_order): Declare.
12323 (cgraph_add_asm_node): Declare.
12324 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12326 (cgraph_varpool_assemble_pending_decls): Call it.
12327 (cgraph_output_pending_asms): New static function.
12328 (cgraph_finalize_compilation_unit): Call it.
12329 (struct cgraph_order_sort): Define.
12330 (cgraph_output_in_order): New static function.
12331 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12332 !flag_toplevel_reorder case.
12333 * c-parser.c: Include "cgraph.h".
12334 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12336 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12337 than -fno-unit-at-a-time.
12338 * doc/invoke.texi (Option Summary): Mention
12339 -fno-toplevel-reorder.
12340 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12341 -funit-at-a-time documentation.
12343 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12344 Kazu Hirata <kazu@codesourcery.com>
12346 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12348 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12350 * Makefile.in (FUNCTION_H): New. Use it instead of
12351 function.h throughout the file.
12352 * function.h: Include tree.h.
12354 2006-01-17 Ben Elliston <bje@au.ibm.com>
12356 * recog.c: Separate some functions with whitespace.
12358 2006-01-16 Richard Henderson <rth@redhat.com>
12360 Merge from gomp branch:
12361 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12362 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12363 and rename from struct inline_data. Rename callee* to dst*;
12364 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12365 transform_new_cfg, transform_return_to_modify, and
12366 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12368 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12369 (copy_decl_for_dup): Remove.
12370 * tree-inline.c (struct inline_data): Move to header.
12371 (insert_decl_map): Export.
12372 (remap_decl): Update for member name changes. Use copy_decl hook.
12373 Allow for replacement to be a non-decl. Remove dead code.
12374 (remap_type_1): Check for existing mapping.
12375 (remap_type): Export.
12376 (remap_decls): Update for member name changes.
12377 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12378 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12379 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12380 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12381 (tree_function_versioning, build_duplicate_type): Likewise.
12382 (copy_body_r): Likewise. Export.
12383 (copy_decl_for_dup): Split into ...
12384 (copy_decl_for_dup_finish, copy_decl_to_var,
12385 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12386 (replace_ref_tree, inlining_p): Remove.
12388 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12390 * ifcvt.c (if_convert): Make it static.
12391 * rtl.h: Remove the prototype for if_convert.
12393 * local-alloc.c (local_alloc): Make it static.
12394 * rtl.h: Remove the prototype for local_alloc.
12396 * loop.c (loop_optimize): Make it static.
12397 * cfgloop.h: Remove the prototype for loop_optimize.
12400 2006-01-16 DJ Delorie <dj@redhat.com>
12402 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12405 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12407 * pa.md: Disparage copies between general and floating-point registers
12408 in 32-bit move patterns.
12410 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12413 * Makefile.in (check-%): Depend on site.exp instead of
12414 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12417 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12419 * global.c (global_alloc): Make it static.
12420 * rtl.h: Remove the prototype for global_alloc.
12422 2006-01-16 Richard Guenther <rguenther@suse.de>
12424 * tree-ssa-alias.c (struct used_part): Add write_only field.
12425 (get_or_create_used_part_for): Initialize it to true.
12426 (create_overlap_variables_for): Don't create structure variables
12427 for structures that only are written to.
12428 (find_used_portions): Handle MODIFY_EXPR to track whether a
12429 structure is only written to.
12431 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12433 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12435 * basic-block.h: Remove the prototype for
12436 partition_hot_cold_basic_blocks.
12438 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12440 * cppspec.c (lang_specific_spec_functions): Remove.
12441 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12442 * gcc.h (lang_specific_spec_functions): Remove.
12443 * gccspec.c (lang_specific_spec_functions): Remove.
12445 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12447 * combine.c (record_value_for_reg): Invalidate registers
12449 (record_dead_and_set_regs_1): Likewise, by passing them to
12450 record_value_for_reg.
12451 (record_dead_and_set_regs): Invalidate stores made by a
12452 call. We do not combine across a call, but we still
12453 relied on equivalences.
12455 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12457 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12458 vrp_int_const_binop returning non-constant nodes.
12460 2006-01-16 Paul Brook <paul@codesourcery.com>
12462 * config/m68k/m68k.c (output_move_const_into_data_reg):
12463 Output correct mnemonic for mvz and mvs.
12465 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12467 * rtl-factoring.c: Add sequence abstraction algorithm.
12468 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12469 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12471 (block_has_preserve_label): New function.
12472 * common.opt: Register new pass.
12473 * Makefile.in: Ditto.
12475 * timevar.def: Ditto.
12476 * tree-pass.h: Ditto.
12477 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12478 * rtl.h (make_jump_insn_raw): Add forward decl.
12479 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12481 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12482 Roger Sayle <roger@eyesopen.com>
12484 * fold-const.c (fold_minmax): New static function.
12485 (fold_binary) <MIN_EXPR>: Call it.
12486 <MAX_EXPR>: Likewise.
12487 * stor-layout.c (place_field): Use DECL_SIZE consistently
12488 in the computation of the new record size.
12490 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12492 * cse.c (cse_condition_code_reg): Make it static.
12493 * rtl.h: Remove the prototype for cse_condition_code_reg.
12495 * combine.c (combine_instructions): Make it static.
12496 * rtl.h: Remove the prototype for combine_instructions.
12498 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12501 * tree.c (get_file_function_name_long): Concatenate the first global
12502 object name with a string derived from the input filename of the object
12505 2006-01-16 Ben Elliston <bje@au.ibm.com>
12507 * config/i386/winnt-stubs.c: Update FSF address.
12508 * config/xtensa/ieee754-df.S: Ditto.
12509 * config/xtensa/ieee754-sf.S: Ditto.
12511 2006-01-14 Ian Lance Taylor <ian@airs.com>
12513 * ifcvt.c (noce_init_if_info): New static function, broken out of
12514 noce_process_if_block.
12515 (noce_process_if_block): Call noce_init_if_info.
12516 (check_cond_move_block): New static function.
12517 (cond_move_process_if_block): New static function.
12518 (process_if_block): Call cond_move_process_if_block.
12520 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12522 * cselib.c (hash_table): Rename to cselib_hash_table.
12523 (cselib_clear_table, discard_useless_values,
12524 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12525 cselib_init, cselib_finish): Adjust uses of hash_table.
12527 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12529 PR tree-optimization/25485
12530 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12531 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12532 is known to be false and true, respectively.
12534 2006-01-14 Richard Guenther <rguenther@suse.de>
12536 PR tree-optimization/22548
12537 PR tree-optimization/22555
12538 PR tree-optimization/22501
12539 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12540 * params.def (salias-max-array-elements): New parameter.
12541 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12542 * doc/invoke.texi (salias-max-array-elements): Document.
12543 * tree-flow-inline.h (var_can_have_subvars): We also handle
12545 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12547 * tree-ssa-structalias.c (params.h): Include.
12548 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12549 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12550 (get_constraint_for): For ADDR_EXPR operating on something
12551 containing an ARRAY_REF, add all subvars to the solution.
12552 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12553 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12554 for creating MUST_DEFs.
12555 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12557 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12559 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12561 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12562 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12563 number_of_iterations_le): New functions.
12564 (number_of_iterations_special): Removed.
12565 (number_of_iterations_exit): Do not use number_of_iterations_special.
12566 * tree.c (unsigned_type_for): Always return integer type.
12568 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12569 Richard Guenther <rguenther@suse.de>
12571 PR rtl-optimization/24257
12572 * gcse.c (find_moveable_store): Only consider a store movable
12573 when the SET_SRC of the insn can be assigned to a register.
12575 2006-01-14 Ian Lance Taylor <ian@airs.com>
12577 * tree.c (tree_not_class_check_failed): New function.
12578 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12579 (tree_not_class_check_failed): Declare.
12581 2006-01-13 Ian Lance Taylor <ian@airs.com>
12583 * reload1.c (do_output_reload): Add assertion rejecting a
12586 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12588 * combine.c (struct reg_stat): Add new fields truncation_label and
12590 (record_value_for_reg): Reset truncated_to_mode.
12591 (record_truncated_value): New function.
12592 (check_promoted_subreg): Call it. Rename to check_conversions.
12593 (combine_instructions): Rename check_promoted_subreg to
12595 (reg_truncated_to_mode): New function.
12596 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12597 (gen_lowpart_or_truncate): New function.
12598 (force_to_mode): Use it instead of gen_lowpart.
12600 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12602 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12603 VAR is a tag, not its type tag.
12605 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12607 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12608 alternatives to match style of other entries.
12609 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12611 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12613 PR tree-optimization/25771
12614 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12617 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12620 * tree-inline.c (declare_return_variable): If the return variable
12621 was marked as a non gimple complex, set the return slot variable
12622 to be a non gimple comple variable.
12624 2006-01-13 Richard Guenther <rguenther@suse.de>
12626 * builtins.c (expand_builtin_sincos): New function.
12627 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12629 (expand_builtin): Expand sincos using expand_builtin_sincos.
12631 2006-01-12 DJ Delorie <dj@redhat.com>
12633 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12634 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12635 so that constant shifts can be split.
12636 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12637 (m32c_valid_pointer_mode): Make static.
12638 (shift_gen_func_for): New.
12639 (m32c_prepare_shift): Use it. Split large const shifts into
12641 * config/m32c/predicates.md (shiftcount_operand): Allow more
12643 (longshiftcount_operand): New.
12644 * doc/md.texi (Machine Constraints): Document In6.
12646 2006-01-13 Ben Elliston <bje@au.ibm.com>
12648 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12649 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12652 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12654 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12655 to try to avoid clobbering pieces of structures when we know
12656 something about the whole structure.
12657 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12659 2006-01-13 Ben Elliston <bje@au.ibm.com>
12661 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12662 return in memory, as this is no limitation is no longer present.
12664 2006-01-12 DJ Delorie <dj@redhat.com>
12666 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12667 mova with fb, and for fb+0 -> An.
12669 * config/m32c/mov.md (peephole2): Fix enabling logic.
12671 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12672 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12673 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12674 FINI_ARRAY_SECTION_ASM_OP): Define.
12676 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12678 (m32c_legitimize_reload_address): New logic to reload FB to An.
12679 (m32c_output_reg_push): Add newline.
12680 (m32c_output_reg_pop): Likewise.
12682 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12684 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12686 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12688 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12690 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12692 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12695 2006-01-11 Ben Elliston <bje@au.ibm.com>
12697 * rtlanal.c (find_reg_note): Assert insn is not null.
12699 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12701 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12704 2006-01-11 Jeff Law <law@redhat.com>
12706 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12708 (mark_threaded_blocks, register_jump_thread): New functions.
12709 (thread_through_all_blocks): Remove unwanted argument. No
12710 longer rely on e->aux to communicate thread target info.
12711 Call mark_threaded_blocks. Release the threaded_blocks
12712 bitmap and threaded_edges vector when complete.
12713 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12714 (threaded_blocks): Remove.
12715 (tree_ssa_dominator_optimize): Remove initialization and
12716 finalization of threaded_blocks. Simplify call to
12717 thread_through_all_blocks.
12718 (thread_across_edge): Call register_jump_thread rather than
12719 storing thread information into e->aux.
12720 (free_all_edge_infos): Simplify now that e->aux is no longer
12721 used to communicate with thread_through_all_blocks.
12722 * tree-flow.h (thread_through_all_blocks): Update prototype.
12723 (register_jump_thread): Prototype.
12725 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12727 * df-core.c (df_compact_blocks, df_bb_replace): Use
12728 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12730 2006-01-11 Richard Guenther <rguenther@suse.de>
12732 PR tree-optimization/25734
12733 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12734 stop propagation after successful propagation to the LHS.
12736 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12738 * basic-block.h (control_flow_graph): Change the type of
12739 x_basic_block_info to VEC(basic_block,gc) *.
12740 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12742 (SET_BASIC_BLOCK): New.
12743 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12744 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12745 * cfgbuild.c (find_basic_blocks): Likewise.
12746 * cfglayout.c (fixup_reorder_chain): Likewise.
12747 * cfgrtl.c (create_basic_block_structure,
12748 rtl_create_basic_block): Likewise.
12749 * ifcvt.c (find_if_case_1): Likewise.
12750 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12753 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12755 * Makefile.in: Removed rotted odf.c entry.
12757 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12760 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12761 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12762 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12763 output pattern modifier, not %e.
12764 * config/cris/cris.c (cris_op_str): Update comment about pattern
12766 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12767 before falling through into...
12768 <case 'E'>: Redefined from old 'e' case.
12770 2006-01-11 Jan Hubicka <jh@suse.cz>
12773 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12775 2006-01-11 Jan Hubicka <jh@suse.cz>
12777 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12778 * i386.c (x86_decompose_lea): Kill.
12779 (ix86_rtx_costs): Kill.
12781 2006-01-11 Jan Hubicka <jh@suse.cz>
12783 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12784 * cgraph.h (cgraph_node): Add inline_decl.
12785 (cgraph_insert_node_to_hashtable): Declare.
12786 (save_inline_function_body): Declare.
12787 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12789 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12790 (cgraph_function_versioning): Update call of tree_function_versioning.
12791 (save_inline_function_body): New function.
12792 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12793 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12794 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12795 (cgraph_default_inline_p): Likewise.
12796 (cgraph_decide_inlining_incrementally): Likewise.
12797 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12798 (copy_bb): Kill saving; do updating of clones.
12799 (copy_cfg_body): Kill saving.
12800 (initialize_inlined-parameters): Likewise.
12801 (expand_call_inline): Likewise.
12803 (tree_function_versioning): New parameter "update_clones".
12804 (inlining_p): Kill saving.
12805 * tree-inline.h (tree_function_versioning): Update prototype.
12806 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12809 2006-01-11 Ian Lance Taylor <ian@airs.com>
12811 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12812 Allow undoing set of machine mode.
12813 (do_SUBST): Use enums instead of is_int.
12814 (do_SUBST_MODE): New function.
12815 (SUBST_MODE): New macro.
12816 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12817 reg and trying to replace reg_regno_rtx with a new register.
12818 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12819 (simplify_set): Use SUBST_MODE.
12820 (distribute_notes): Remove code that tried to update reg notes
12821 for regno_reg_rtx changes.
12823 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12825 PR tree-optimization/23109
12826 PR tree-optimization/23948
12827 PR tree-optimization/24123
12829 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12830 * tree-cfg.c (single_noncomplex_succ): New.
12831 * tree-flow.h (single_noncomplex_succ): Declare it.
12832 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12833 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12834 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12835 insert_bb, register_division_in, insert_reciprocals,
12836 replace_reciprocal, free_bb): New.
12837 (execute_cse_reciprocals_1): Rewritten.
12838 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12839 Do not commit any edge insertion. Always compute dominators and
12840 create the allocation pool.
12841 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12842 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12843 * targhooks.c (default_min_divistions_for_recip_mul): New.
12844 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12845 * passes.c (init_optimization_passes): Run recip after tree loop
12847 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12849 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12850 Kenneth Zadeck <zadeck@naturalbridge.com>
12852 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12853 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12854 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12855 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12856 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12857 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12858 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12859 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12860 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12861 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12862 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12863 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12864 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12865 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12866 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12867 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12868 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12869 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12870 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12871 DF_SCAN_POST_ALLOC): New macros.
12872 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12873 df_free_bb_function, df_local_compute_function, df_init_function,
12874 df_dataflow_function, df_confluence_function_0,
12875 df_confluence_function_n, df_transfer_function,
12876 df_finalizer_function, df_free_function, df_dump_problem_function,
12877 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12878 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12879 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12880 df_urec_bb_info, ) New types.
12881 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12883 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12884 df_analyze_simple_change_some_blocks,
12885 df_analyze_simple_change_one_block, df_compact_blocks,
12886 df_bb_replace, df_bb_regno_last_use_find,
12887 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12888 df_insn_regno_def_p, df_find_def, df_find_use,
12889 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12890 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12891 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12892 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12893 debug_df_chain, df_get_dependent_problem, df_chain_create,
12894 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12895 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12896 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12897 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12898 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12899 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12900 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12901 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12902 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12903 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12904 df_reorganize_refs, df_set_state, df_hard_reg_init,
12905 df_read_modify_subreg_p) New public functions.
12906 * df-core.c: The core dataflow solver and glue routines for rtl
12908 (df_init, df_add_problem, df_set_blocks, df_finish,
12909 df_hybrid_search_forward, df_hybrid_search_backward,
12910 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12911 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12912 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12913 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12914 df_reg_defined, df_find_use, df_reg_used, df_dump,
12915 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12916 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12917 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12918 debug_df_useno, reset_df_after_reload): New functions.
12919 * df-scan.c: The scanning fuctions, once in df.c, completely
12920 rewritten so that they now fully model the functionality of
12921 register usage at the backend.
12922 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12923 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12924 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12925 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12926 df_get_artificial_defs, df_get_artificial_uses,
12927 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12928 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12929 df_refs_delete, df_reorganize_refs, df_set_state,
12930 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12931 df_def_record_1, df_defs_record, df_uses_record,
12932 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12933 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12934 df_record_exit_block_uses, df_hard_reg_init): New functions.
12936 * df-problems.c: Seven concrete dataflow problems that use the
12937 scanning in df-scan.c and are solved by the engine in df-core.c.
12938 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12939 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12940 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12941 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12942 df_ru_free_bb_info, df_ru_alloc,
12943 df_ru_bb_local_compute_process_def,
12944 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12945 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12946 df_ru_transfer_function, df_ru_free, df_ru_dump,
12947 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12948 df_rd_free_bb_info, df_rd_alloc,
12949 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12950 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12951 df_rd_transfer_function, df_rd_free, df_rd_dump,
12952 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12953 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12954 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12955 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12956 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12957 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12958 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12959 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12960 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12961 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12962 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12963 df_urec_mark_reg_use_for_earlyclobber,
12964 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12965 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12966 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12967 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12968 df_chain_create_bb_process_use, df_chain_create_bb,
12969 df_chain_finalize, df_chain_free, df_chains_dump,
12970 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12971 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12972 df_reg_lifetime): New functions.
12973 * df.c: Deleted file.
12974 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12975 consistent with new df api.
12976 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12977 rest_of_handle_sms): Ditto.
12978 * web.c (unionfind_union, union_defs, entry_register, web_main):
12980 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12981 invariant_expr_equal_p, find_defs, check_dependencies,
12982 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12983 free_inv_motion_data, move_loop_invariants): Ditto.
12984 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12985 Update dependencies.
12986 (odf.c): Added defective entry that was deleted later in day.
12987 * sched-deps.c (sched_analyze_1): Ditto.
12989 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12991 * tree-ssa-operands.c (get_expr_operands): Record addressable
12992 variables directly. Do not call add_stmt_operands for CONST_DECLs
12994 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12995 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12997 2006-01-11 Ben Elliston <bje@au.ibm.com>
12999 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13000 function returns true in the positive case.
13002 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13005 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13006 for SI, DI, SF and DF modes. Add alternatives to copy between
13007 general and floating point registers to the 32-bit patterns.
13008 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13009 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13010 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13011 generating 64-bit code.
13012 * config/pa/pa.c (output_move_double): Handle copies between general
13013 and floating registers.
13015 2006-01-10 Stuart Hastings <stuart@apple.com>
13017 * config/i386/i386.md (set_got): Update.
13018 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13019 (builtin_setjmp_receiver): Mach-O support.
13020 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13021 (GOT_SYMBOL_NAME): Define.
13022 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13023 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13024 * config/i386/i386.c (override_options): Revise for Darwin.
13025 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13026 support. (darwin_x86_file_end): New. (output_set_got): Add label
13027 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13028 * config/i386/i386-protos.h (output_set_got): Likewise.
13029 * config/darwin.c (machopic_legitimize_pic_address): Update
13032 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13034 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13035 when MODE isn't BLKmode.
13037 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13039 PR rtl-optimization/25367
13040 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13042 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13045 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13046 for a negative bound.
13048 2006-01-10 Richard Guenther <rguenther@suse.de>
13050 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13051 Never override with anything constraint.
13053 2006-01-10 Jan Beulich <jbeulich@novell.com>
13055 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13056 256 bits when optimize_size.
13058 2006-01-10 Jan Beulich <jbeulich@novell.com>
13060 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13062 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13063 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13066 2006-01-10 Ben Elliston <bje@au.ibm.com>
13068 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13070 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13071 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13072 (USE_FP_FOR_ARG): Reject decimal float modes.
13073 (function_arg_advance): Likewise.
13074 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13075 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13076 point types in AltiVec vectors.
13077 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13078 (rs6000_libcall_value): Likewise.
13080 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13082 * config/xtensa/ieee754-df.S: New file.
13083 * config/xtensa/ieee754-sf.S: New file.
13084 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13085 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13086 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13088 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13090 * config/sh/predicates.md (binary_float_operator,
13091 binary_logical_operator, commutative_float_operator,
13092 equality_comparison_operator, greater_comparison_operator,
13093 less_comparison_operator, logical_operator,
13094 noncommutative_float_operator, shift_operator,
13095 symbol_ref_operand, unary_float_operator): Remove redundant
13098 2006-01-09 Jeff Law <law@redhat.com>
13100 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13101 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13102 now unused arguments. Callers updated.
13103 (eliminate_redundant_computations): Remove now unused arguments,
13105 (local_fold): Remove, no longer used.
13106 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13108 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13109 (simplify_cond): New function.
13110 (forward_propagate_into_cond): Call simplify_cond.
13112 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13114 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13115 (*vec_extractv2di_1_sse): New.
13117 2006-01-09 Ben Elliston <bje@au.ibm.com>
13119 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13121 2006-01-08 Richard Guenther <rguenther@suse.de>
13123 * tree-ssa-structalias.c (get_constraint_for): Remove
13124 anyoffset argument.
13125 (get_constraint_for_component_ref): Likewise.
13126 (do_deref): Likewise.
13127 (get_constraint_for): Likewise.
13128 (do_structure_copy): Likewise.
13129 (handle_ptr_arith): Likewise.
13130 (find_func_aliases): Likewise. Remove unused need_anyoffset
13133 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13134 Kaz Kojima <kkojima@gcc.gnu.org>
13136 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13137 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13138 (EXTRA_CONSTRAINT_C16): Remove.
13139 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13140 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13141 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13142 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13143 constants of SHmedia. Handle nested constant expressions of
13145 (andcosts): Fix the costs for SHmedia constants.
13146 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13147 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13148 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13149 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13150 (movv4hi_i, movv2si_i): Likewise.
13151 (movsi_const): Adjust the second operand of ior so to match with
13152 the Csu constraint.
13153 (movdi_const, movdi_const_32bit): Likewise.
13154 (movdi_const_16bit+1): Don't sign-extend LOW.
13155 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13157 (*double_shori): Fix the split condition. Use GEN_INT instead
13158 of get_int_mode calls. Mask lower 16-bit of the argument of
13160 (sym2GOTPLT): Remove.
13161 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13163 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13164 instead of EXTRA_CONSTRAINT_C16.
13166 2006-01-07 Ian Lance Taylor <ian@airs.com>
13167 David Edelsohn <edelsohn@gnu.org>
13169 PR rtl-optimization/25662
13170 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13171 for constant operands instead of simplify_gen_binary.
13172 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13173 after trying simplify_binary_operation
13175 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13177 * tree.c (iterative_hash_expr): Hash decls based on UID.
13179 2006-01-06 Eric Christopher <echristo@apple.com>
13181 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13182 (TARGET_UNWIND_EMIT): Fix spelling.
13183 * target.h (gcc_target): Add except_table_label.
13184 * except.c (output_function_exception_table): Use.
13185 * varasm.c (default_emit_except_table_label): New.
13186 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13188 (asm_out): Add here.
13189 * output.h (default_emit_except_table_label): Prototype.
13190 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13191 * config/darwin.c (darwin_emit_except_table_label): Define.
13192 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13194 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13196 PR tree-optimization/18527
13197 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13198 number_of_iterations_special, number_of_iterations_exit):
13199 Move base and step of an iv to a single structure. Add
13200 no_overflow flag, and use it in # of iterations analysis.
13201 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13202 folded_casts argument.
13203 (simple_iv): Pass base and step in a structure. Set no_overflow
13205 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13206 Evaluate expensiveness of computing # of iterations instead of
13207 the final expression.
13208 * tree-scalar-evolution.h (affine_iv): New structure.
13209 (simple_iv): Declaration changed.
13210 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13211 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13212 find_givs_in_stmt): Changed due to simple_iv change.
13214 2006-01-06 Jeff Law <law@redhat.com>
13217 * tree-cfg.c (bsi_replace): Rename final argument from
13218 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13219 change (stmt -> orig_stmt).
13220 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13221 (bsi_remove): Add new argument. Remove EH information
13223 (verify_eh_throw_table_statements): New function.
13224 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13226 * tree-optimize.c (execute_free_cfg_annotations): Verify
13227 the EH throw statement table after removing annotations.
13228 * except.h (verify_eh_throw_table_statements): Prototype.
13229 * tree-flow.h (bsi_remove): Update prototype.
13230 * tree-vrp.c (remove_range_assertions): Add new argument to
13232 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13233 * tree-complex.c (expand_complex_div_wide): Likewise.
13234 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13235 * tree-tailcall.c (eliminate_tailcall): Likewise.
13236 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13237 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13238 * tree-nrv.c (tree_nrv): Likewise.
13239 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13240 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13241 (combine_blocks): Likewise.
13242 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13243 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13244 (cleanup_control_flow): Likewise.
13245 (remove_forwarder_block): Likewise.
13246 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13247 * tree-sra.c (sra_replace): Likewise.
13248 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13249 (forward_propagate_single_use_vars): Likewise.
13250 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13251 * tree-inline.c (expand_call_inline): Likewise.
13252 * tree-vect-transform.c (vect_transform_loop): Likewise.
13253 * tree-outof-ssa.c (rewrite_trees): Likewise.
13254 * tree-cfg.c (make_goto_expr_edges): Likewise.
13255 (cleanup_dead_labels): Likewise.
13256 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13257 (bsi_move_before, bsi_move_after): Likewise.
13258 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13259 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13261 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13264 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13266 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13267 on non gimple variables. Also add checks at the top for decls and
13269 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13271 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13272 and IMAGPART_EXPR for creating MUST_DEFs.
13273 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13274 and NAME_MEMORY_TAG separately from the DECLs.
13276 2006-01-06 Richard Guenther <rguenther@suse.de>
13278 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13279 annotation, if necessary.
13280 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13281 redundant calls to update_stmt.
13282 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13285 2006-01-05 Richard Henderson <rth@redhat.com>
13287 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13289 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13291 * c-typeck.c: Update copyright date.
13293 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13295 * c-typeck.c (build_c_cast): Always warn when casting
13296 from a pointer to an integer of different size, even if
13297 the node was constant.
13299 2006-01-05 Richard Guenther <rguenther@suse.de>
13301 PR tree-optimization/22555
13302 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13303 if one structure field is an array.
13304 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13305 operands even if we found a subvar, but ignore VOPs in this
13307 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13309 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13311 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13313 PR middle-end/24998
13314 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13316 2006-01-05 Richard Guenther <rguenther@suse.de>
13317 Diego Novillo <dnovillo@redhat.com>
13319 * tree-pass.h (TODO_remove_unused_locals): Define.
13320 * gimple-low.c (expand_var_p, remove_useless_vars,
13321 pass_remove_useless_vars): Remove. Update all users.
13322 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13323 (remove_unused_locals): New function.
13324 * tree-flow.h (remove_unused_locals): Declare.
13325 * passes.c (execute_todo): Call remove_unused_locals if
13326 TODO_remove_unused_locals is set.
13327 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13328 * tree-ssa-dce.c (pass_dce): Likewise.
13329 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13331 2006-01-05 Richard Guenther <rguenther@suse.de>
13333 * tree-flow.h (struct fieldoff): Decompose field to
13334 type, size and decl.
13335 * tree-ssa-alias.c (create_sft): Take type as parameter.
13336 (create_overlap_variables_for): Store type, size and decl
13337 in the fieldoff structure.
13338 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13339 of struct fieldoff.
13340 (push_fields_onto_fieldstack): Likewise.
13341 (create_variable_info_for): Likewise. Use offset for the
13342 SFT name if the decl is not available.
13344 2006-01-04 Paul Brook <paul@codesourcery.com>
13346 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13348 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13350 * lambda-code.c (can_put_in_inner_loop): Relax
13352 (can_put_after_inner_loop): New function.
13353 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13354 (perfect_nestify): Change to make copies and modify uses.
13356 2006-01-04 Richard Henderson <rth@redhat.com>
13358 Merge from gomp branch:
13359 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13360 via integer constant.
13361 (pragma_lex): Remove.
13362 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13363 rather than parsing it.
13364 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13365 handle_pragma_extern_prefix): Add %< %> quotes.
13366 (registered_pragmas): New.
13367 (c_register_pragma_1): New.
13368 (c_register_pragma): Use it.
13369 (c_register_pragma_with_expansion): Likewise.
13370 (c_invoke_pragma_handler): New.
13371 (init_pragma): Use cpp_register_deferred_pragma directly for
13373 * c-pragma.h (enum pragma_kind): New.
13374 (pragma_handler): New.
13375 (c_invoke_pragma_handler): Declare.
13376 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13378 * c-common.h (c_common_pch_pragma): Update decl.
13379 * Makefile.in (c-parser.o): Update dependencies.
13380 (GTFILES): Add c-pragma.h.
13381 * c-parser.c (struct c_token): Add pragma_kind.
13382 (struct c_parser): Add in_pragma.
13383 (c_lex_one_token): Always initialize keyword and pragma_kind.
13384 Extract data for CPP_PRAGMA.
13385 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13386 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13387 Don't allow CPP_PRAGMA_EOL if in_pragma.
13388 (c_parser_consume_pragma): New.
13389 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13390 (c_parser_skip_to_end_of_parameter): Likewise.
13391 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13392 (c_parser_skip_to_pragma_eol): New.
13393 (c_parser_external_declaration): Handle CPP_PRAGMA.
13394 (c_parser_compound_statement_nostart): Likewise.
13395 (c_parser_statement_after_labels): Likewise.
13396 (c_parser_pragma): New.
13397 (pragma_lex): Likewise.
13398 (c_parser_pragma_pch_preprocess): New.
13399 (c_parser_new): Merge into ...
13400 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13402 2006-01-04 Jeff Law <law@redhat.com>
13405 * tree-cfg.c (bsi_replace): Remove the original statement
13406 from the EH throw statement table.
13408 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13410 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13411 make the prototype extern "C" and add throw ().
13414 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13415 and pos non-negative and pos + len <= 32.
13416 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13417 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13418 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13421 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13422 as well as sizes not multiple of component size.
13425 * function.c (instantiate_expr): New function.
13426 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13427 walk its DECL_VALUE_EXPR with instantiate_expr.
13429 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13430 DW_OP_deref{,_size} if address isn't going to be added.
13432 2006-01-04 Ben Elliston <bje@au.ibm.com>
13434 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13435 * config/fp-bit.c: Likewise.
13437 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13439 * dominance.c: Add comment about why we use DFS numbering
13442 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13443 Richard Henderson <rth@redhat.com>
13445 Merge from gomp-branch:
13446 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13447 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13449 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13451 PR rtl-optimization/25578
13452 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13453 pass a parameter to simplify_shift_const if changing ASHIFTRT
13456 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13458 * builtins.c (get_builtin_sync_mem): New function.
13459 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13460 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13461 Call get_builtin_sync_mem to generate mem rtx.
13463 2006-01-03 Richard Guenther <rguenther@suse.de>
13466 * stmt.c (add_case_node): Make sure to clear overflow flags
13469 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13471 Merge from gomp-branch.
13472 * config/sparc/sync.md: New file.
13473 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13474 UNSPECV_LDSTUB): New constants.
13475 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13476 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13477 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13480 2006-01-03 Roger Sayle <roger@eyesopen.com>
13482 * combine.c (reg_subword_p): New predicate to test whether the
13483 destination of a set refers to a subword/piece of a register.
13484 (try_combine): Generalize the code to merge the setting of a
13485 pseudo to a constant followed by a set of a subword of that
13486 register to a constant.
13488 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13490 * basic-block.h (control_flow_graph): Change the type of
13491 x_label_to_block_map to VEC(basic_block,gc) *.
13492 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13493 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13495 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13496 VEC(basic_block,heap) *.
13497 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13498 ssa_prop_fini): Adjust the uses of cfg_blocks.
13500 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13502 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13504 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13505 hashing trees instead of a pointer hash.
13506 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13507 compare for MEM_EXPR.
13509 PR rtl-optimization/25130
13510 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13511 when comparing MEMs for GCSE
13513 2006-01-03 Ben Elliston <bje@au.ibm.com>
13515 * targhooks.h (default_decimal_float_supported_p): Declare.
13516 * targhooks.c (default_decimal_float_supported_p): Define.
13517 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13518 `default_decimal_float_supported_p'.
13519 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13521 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13523 * combine.c (apply_distributive_law <SUBREG>): Check
13524 TRULY_NOOP_TRUNCATION.
13526 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13528 * dwarf2out.c (have_switched_text_section): Delete.
13529 (have_multiple_function_sections): New.
13530 (have_location_lists): Make 'bool'.
13531 (add_AT_loc_list): Use 'true' not '1'.
13532 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13533 (output_loc_list): Use have_multiple_function_sections.
13534 (output_ranges): Likewise.
13535 (dwarf2out_begin_function): Set have_multiple_function_sections if
13537 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13538 Check function_section rather than DECL_SECTION_NAME.
13539 (dwarf2out_finish): Use have_multiple_function_sections.
13540 Don't clear have_location_lists.
13542 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13543 Jan Hubicka <jh@suse.cz>
13545 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13546 case of conditional jump jumping to the next instruction.
13547 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13548 cases of conditional jump jumping to the next instruction.
13550 2006-01-02 Jan Hubicka <jh@suse.cz>
13552 * i386.c (*_cost): Add COSTS_N_INSNS.
13553 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13555 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13558 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13560 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13562 * config/arm/arm.c (all_fpus): Fix comment typo.
13563 * config/darwin.c: Likewise.
13564 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13565 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13566 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13568 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13570 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13571 (rs6000_split_compare_and_swapqhi): New.
13572 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13573 (sync_compare_and_swapqhi_internal): New.
13574 * config/rs6000/rs6000-protos.h: Declare.