1 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3 * Makefile.in: Use mkinstalldirs.
5 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8 * opts-common.c (prune_options): Skip joined switches.
10 2006-07-27 Jan Hubicka <jh@suse.cz>
12 PR rtl-optimization/28071
13 * cselib.c (cselib_process_insn): Don't remove useless values too
14 often for very large hashtables.
16 2006-07-27 Jan Hubicka <jh@suse.cz>
18 PR rtl-optimization/28071
19 * global.c (greg_obstack): New obstack.
20 (allocate_bb_info): Use it.
21 (free_bb_info): Likewise.
22 (modify_reg_pav): Likewise.
24 2006-07-27 Roger Sayle <roger@eyesopen.com>
26 * builtins.c (fold_fixed_mathfn): When long and long long are the
27 same size, canonicalize llceil*, llfloor*, llround* and llrint*
28 functions to their lceil*, lfloor*, lround* and lrint* forms.
30 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
33 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
35 (rev_branch_insn): Likewise.
37 2006-07-27 Jan Hubicka <jh@suse.cz>
39 PR rtl-optimization/28071
40 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
41 (reg_set_in_bb, max_reg_computed): New static variables.
42 (regmove_optimize): Free the new array.
43 (fixup_match_1): Update call of reg_is_remote_constant_p.
45 2006-07-26 Jan Hubicka <jh@suse.cz>
47 PR tree-optimization/27882
48 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
50 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
52 (cgraph_analyze_compilation_unit): Likewise.
53 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
54 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
55 (cgraph_early_inlinine): Make order garbage collected.
56 * Makefile.in (gt-ipa-inline): New garbagecollected file.
58 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
60 * dbxout.c (output_types_sort): Add a comment.
61 (output_used_types): Free the VEC.
63 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
65 * function.c (reorder_fix_fragments): Delete.
66 (reorder_blocks): Don't call it.
67 (reorder_blocks_1): Put all subblocks under the origin block.
69 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
71 PR rtl-optimization/27907
72 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
75 2006-07-25 Roger Sayle <roger@eyesopen.com>
78 * convert.c (convert_to_integer): When transforming (T)foo(x) into
79 bar(x) check that bar's result type can represent all the values of T.
81 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
83 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
85 2006-07-25 Nick Clifton <nickc@redhat.com>
87 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
89 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
90 (ggc_pch_count_object): Likewise.
91 (ggc_pch_alloc_object): Likewise.
92 (ggc_pch_write_object): Likewise.
93 (init_ggc): Do not attempt to initialize entries in the
94 size_lookup[] array for objects whose size is greater than than
95 the length of the array.
97 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
99 * dbxout.c (output_used_types_helper): Push queued types
101 (output_types_sort): New.
102 (output_used_types): Collect used types on a VEC and sort them
105 2006-07-24 Richard Guenther <rguenther@suse.de>
108 * cgraph.c (cgraph_remove_node): Do not check if dumps
110 * cgraphunit.c (cgraph_optimize): Likewise.
112 2006-07-24 Jan Hubicka <jh@suse.cz>
114 PR rtl-optimization/28071
115 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
116 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
117 splitting before first stmt.
119 2006-07-24 Jan Hubicka <jh@suse.cz>
121 PR rtl-optimization/28071
122 * ipa-inline.c (update_caller_keys): Remove edges that
123 are no longer inline candidates.
125 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
128 * dbxout.c (output_used_types_helper, output_used_types): New.
129 (dbxout_symbol): Call output_used_types.
131 2006-07-23 Jan Hubicka <jh@suse.cz>
135 * cgraph.c (cgraph_varpool_nodes): Export.
136 (decide_is_variable_needed): Ignored "used" attribute in
138 * cgraph.h (cgraph_varpool_nodes): Declare.
139 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
142 2006-07-23 Roger Sayle <roger@eyesopen.com>
145 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
146 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
147 the __gthrw form of thr_keycreate.
148 (__gthread_key_delete): Silence the unused argument warning.
150 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
153 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
154 Cache the last found '\0' marker to avoid quadratic behavior.
156 2006-07-23 Jan Hubicka <jh@suse.cz>
158 * i386.md (subsi_3_zext): Fix output template.
160 2006-07-21 Mike Stump <mrs@apple.com>
162 * doc/invoke.texi (C++ Dialect Options): Note that
163 -fvisibility-inlines-hidden doesn't affect explicitly
164 instantiationed inline methods.
166 2006-07-20 Roger Sayle <roger@eyesopen.com>
168 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
169 if the target assembler is GNU binutils' gas.
170 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
171 whether to pass GNU gas or native as command line options.
173 2006-07-20 Jason Merrill <jason@redhat.com>
175 * tree.c (remove_attribute): New fn.
176 * tree.h: Declare it.
178 2006-07-20 Paul Brook <paul@codesourcery.com>
181 * cse.c (cse_insn): Add destination addresses to hash table. Check if
182 they are invalidated by this instruction.
184 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
187 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
189 2006-07-20 Eric Christopher <echristo@apple.com>
192 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
194 2006-07-19 Eric Christopher <echristo@apple.com>
196 * config/t-slibgcc-darwin (stmp-lipo): Remove.
197 Rewrite dependencies for libgcc_s.1.dylib.
199 2006-07-19 Jakub Jelinek <jakub@redhat.com>
201 * except.c (duplicate_eh_regions_1): Clear next_peer.
203 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
205 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
206 -mlongcall does not guarantee all calls will be long.
207 * doc/extend.texi (long_call/short_call): Document that longcall
208 does not guarantee a long call will be used.
209 (longcall/shortcall): Likewise.
211 2006-07-18 Roger Sayle <roger@eyesopen.com>
214 * expmed.c (expand_shift): Additionally check that the shift_cost
215 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
216 before implementing a LSHIFT_EXPR as a sequence of additions.
217 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
218 middle-end that DImode shifts need to be synthesized by expand.
220 2006-07-18 Diego Novillo <dnovillo@redhat.com>
223 * tree-ssa-operands.c (access_can_touch_variable): Update
225 Return true if ALIAS is .GLOBAL_VAR.
227 2006-07-18 David Daney <ddaney@avtrex.com>
229 * gcc.c (display_help): Fix typo in help text.
231 2006-07-18 Olivier Hainque <hainque@adacore.com>
233 * tree.h (categorize_ctor_elements): Adjust prototype and add
234 descriptive comment, both in accordance with the interface change
236 * varasm.c (constructor_static_from_elts_p): New function.
237 Whether a constructor node is a valid static constant initializer
238 if all its elements are.
239 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
240 * output.h: Declare it.
241 * expr.c (categorize_ctor_elements_1): Return whether the constructor
242 is a valid constant initializer instead of computing the number of
243 non-constant elements. Use constructor_static_from_elts_p for this
244 purpose. Replace the head comment with an indication that this is a
245 helper for categorize_ctor_elements.
246 (categorize_ctor_elements): Same interface change as for the _1
247 helper. Former head comment from this helper moved here, adjusted to
248 account for the interface changes.
249 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
250 (all_zeros_p): Likewise.
251 * gimplify.c (gimplify_init_constructor): Decide whether we can make
252 static versions of the constructor from the categorize_ctor_elements
253 return value instead of the formerly computed number of non-constant
256 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
258 * configure: Regenerate.
259 * Makefile.in (build_libsubdir): New configure substitution
260 (build_libobjdir): New variable.
261 (BUILD_LIBIBERTY): Use it.
263 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
266 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
268 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
271 * c-common.c (handle_weakref_attribute): Ignore attribute in
272 the same conditions the alias attribute is ignored.
274 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
276 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
277 (dbxout_begin_prologue): Increment scope_labelno.
279 2006-07-17 Richard Henderson <rth@redhat.com>
282 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
285 2006-07-17 Roger Sayle <roger@eyesopen.com>
286 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
288 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
289 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
290 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
291 functions such as sbrk, write, etc.. Add function prototypes.
292 Convert function declarations from K&R to ISO C. Cast pointers
293 to "long" and "unsigned long" instead of "int" and "unsigned int".
294 Convert tokens following #endif into comments.
296 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
298 * invoke.texi: Remove mention of f77; Reformat table for
299 inline parameter options correctly; mention that -malign-double
300 is default on x86-64 targets.
302 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
304 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
305 (convert_affine_scev, chrec_convert_aggressive): Use
306 avoid_arithmetics_in_type_p. Do not check for the subtypes
309 2006-07-17 Richard Sandiford <richard@codesourcery.com>
312 * optabs.c (expand_doubleword_shift): Wrap the call to
313 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
315 2006-07-17 Richard Sandiford <richard@codesourcery.com>
318 * optabs.c (expand_binop): Pass next_methods rather than methods
319 to expand_doubleword_shift.
321 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
324 * tree.h (dump_addr): Declare.
325 * print-tree.c (dump_addr): New function.
326 (print_node_brief, print_node): Use it.
327 * print-rtl.c (print_rtx): Likewise.
328 * common.opt (-fdump-noaddr): New option.
329 * doc/invoke.texi (-fdump-noaddr): Document.
330 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
331 (ve_info_hash): Likewise.
333 2006-07-13 Andrew Haley <aph@redhat.com>
335 PR tree-optimization/19505
336 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
337 edge leaving this block, make sure that the destination of this
338 block has only one predecessor.
340 2006-07-17 Richard Guenther <rguenther@suse.de>
342 PR tree-optimization/28238
343 * tree-inline.c (copy_bb): Check if we produced valid
344 gimple copying and substituting a stmt. If not, gimplify
347 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
349 * optabs.c (maybe_encapsulate_block): New function extracted from...
350 (emit_libcall_block): ...here. Invoke it on the block of insns to
351 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
352 (emit_no_conflict_block): Likewise.
354 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
356 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
358 2006-07-15 Roger Sayle <roger@eyesopen.com>
360 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
361 a new NOP_EXPR case of the switch statement.
363 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
366 * stor-layout.c (place_field): Take the bit field with
367 an excessive size into account in the ms-bitfiled case.
370 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
371 the previous bit field.
373 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
376 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
378 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
380 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
381 signal frames correctly even when the signal was installed with
384 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
386 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
387 (dbxout_function_end): Use local label LFBB. Remove hook
389 (dbxout_source_line): Use local label LFBB.
390 (dbxout_block): Likewise.
391 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
392 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
393 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
396 2006-07-13 Janis Johnson <janis187@us.ibm.com>
398 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
400 2006-07-13 Jan Hubicka <jh@suse.cz>
402 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
404 * output.h (align_variable): Declare.
405 * varasm.c (align_variable): Export.
406 * value-prof.c (tree_value_profile_transformations): Recompute iterator
407 when basic block changed.
409 2006-07-13 Nick Clifton <nickc@redhat.com>
411 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
412 walking the LOG_LINKS chain.
414 2006-07-12 Geoffrey Keating <geoffk@apple.com>
416 * doc/invoke.texi (C++ Dialect Options): Explain difference
417 between -fvisibility-inlines-hidden and setting hidden
418 visibility explicitly.
420 2006-07-12 Eric Christopher <echristo@apple.com>
422 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
423 (stmp-lipo): Depend on libgcc.a.
425 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
427 * tree.c: Fix a comment typo.
429 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
431 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
433 (umulhisi3_r): Likewise.
435 2006-07-12 Paolo Carlini <pcarlini@suse.de>
438 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
439 x < 19, vs wchar_t support.
441 2006-07-12 Nick Clifton <nickc@redhat.com>
443 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
446 2006-07-12 Mike Stump <mrs@apple.com>
448 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
450 2006-07-10 Eric Christopher <echristo@apple.com>
452 * config/t-slibgcc-darwin: Rewrite.
454 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
457 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
460 2006-07-08 Matthias Klose <doko@debian.org>
462 * doc/sourcebuild.texi: Fix typo.
464 2006-07-07 Mike Stump <mrs@apple.com>
466 * toplev.c (process_options): Don't give -ffunction-sections may
467 affect debugging warning for Mach-O.
469 2006-07-07 James E Wilson <wilson@specifix.com>
471 * config/mips/mips.md (cpu): Add sb1a.
472 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
473 addition to sb1. Adjust comments to clarify SB-1A differences from
475 (ir_sb1a_load): New. Modify bypasses to use it.
476 (ir_sb1a_simple_alu): Likewise.
477 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
478 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
479 (mips_issue_rate): Add PROCESSOR_SB1A.
480 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
481 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
482 (TARGET_SB1): Add PROCESSOR_SB1A check.
483 (TUNE_SB1): Likewise.
485 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
486 * config/mips/mips.c (mips_store_data_bypass_p): New.
487 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
490 2006-07-08 Paul Brook <paul@codesourcery.com>
493 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
495 2006-07-07 Richard Guenther <rguenther@suse.de>
498 * tree.h (build_one_cst): Declare.
499 * tree.c (build_one_cst): New function.
500 * tree-ssa-math-opts.c (get_constant_one): Remove.
501 (insert_reciprocals): Use build_one_cst.
502 * fold-const.c (fold_plusminus_mult): Likewise.
504 2006-07-07 Roger Sayle <roger@eyesopen.com>
506 * pointer-set.c (pointer_set_destroy): Correct whitespace.
507 * cfgloopanal.c (dump_graph): Likewise.
508 * dojump.c (discard_pending_stack_adjust): Likewise.
509 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
511 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
512 * function.c (finalize_block_changes): Likewise.
513 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
514 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
515 * rtl.c (dump_rtx_statistics): Likewise.
516 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
518 * varray.c (dump_varray_statistics): Likewise.
519 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
520 decode_decimal64, encode_decimal128, decode_decimal128,
521 decimal_real_to_decimal): Likewise.
523 2006-07-07 Richard Guenther <rguenther@suse.de>
525 PR tree-optimization/28187
526 * tree-vrp.c (vrp_operand_equal_p): New function.
527 (vrp_bitmap_equal_p): Likewise.
528 (update_value_range): Use them to compare old and new
531 2006-07-06 Roger Sayle <roger@eyesopen.com>
533 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
534 a default case to switch statement to silence compiler warnings.
536 2006-07-06 Roger Sayle <roger@eyesopen.com>
539 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
540 the configured assembler supports the x87's ffreep mnemonic.
541 * configure: Regenerate.
542 * config.in: Regenerate.
544 * config/i386/i386.c (output_387_ffreep): New function.
545 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
546 (output_387_reg_move): Likewise.
548 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
550 Port to hosts whose 'sort' and 'tail' implementations
551 treat operands with leading '+' as file names, as POSIX
552 has required since 2001. However, make sure the code still
553 works on pre-POSIX hosts.
554 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
555 which says you should use "tail -c +N" rather than "tail +Nc".
556 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
558 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
560 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
563 2006-07-06 David Edelsohn <edelsohn@gnu.org>
566 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
567 PRE_{INC,DEC} of TFmode.
569 2006-07-06 David Edelsohn <edelsohn@gnu.org>
570 Alan Modra <amodra@bigpond.net.au>
573 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
576 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
579 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
580 Remove duplicate gtu.
582 2006-07-05 Jason Merrill <jason@redhat.com>
586 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
587 * c-common.c (handle_packed_attribute): So don't copy it here.
588 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
590 2006-07-05 Mike Stump <mrs@apple.com>
592 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
594 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
597 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
599 2006-07-05 Richard Guenther <rguenther@suse.de>
602 * config/i386/i386.md (*negdf2_1): Restrict pattern to
603 TARGET_SSE2 targets if using SSE math.
604 (*absdf2_1): Likewise.
606 2006-07-05 Richard Guenther <rguenther@suse.de>
608 PR tree-optimization/28162
609 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
610 make sure to convert the operands to the correct type.
612 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
614 PR tree-optimization/28218
616 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
617 to calculate and free the dominator information.
619 2006-07-04 Peter O'Gorman <peter@pogma.com>
621 * mklibgcc.in: chmod 644 before ranlib during install.
623 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
624 J"orn Rennecke <joern.rennecke@st.com>
626 * configure.ac (.eh_frame data check): Use diff -b.
628 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
631 * Makefile.in (BUILD_RTL): Add build/vec.o.
632 (build/gencondmd.o): Filter out -fkeep-inline-functions.
633 (build/genextract): Delete.
634 (build/genautomata): Likewise.
636 2006-07-04 Alan Modra <amodra@bigpond.net.au>
639 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
640 128-bit IBM long doubles for ABI_V4.
642 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
644 * tree.c (range_in_array_bounds_p): New predicate.
645 * tree.h (range_in_array_bounds_p): Declare it.
646 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
647 return a less conservative answer.
648 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
650 (IS_ELEMENT_FOR_GROUP): New macro.
651 (FOR_EACH_ACTUAL_CHILD): Likewise.
652 (next_child_for_group): New helper function.
653 (can_completely_scalarize_p): Take into account groups.
654 (sra_hash_tree): Handle RANGE_EXPR.
655 (sra_elt_eq): Likewise.
656 (lookup_element): Be prepared for handling groups.
657 (is_valid_const_index): Delete.
658 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
659 instead of is_valid_const_index.
660 <ARRAY_RANGE_REF>: New case.
661 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
662 is_valid_const_index.
663 <ARRAY_RANGE_REF>: Do not unconditionally punt.
664 (scan_dump): Dump info for groups too.
665 (decide_instantiation_1): Likewise.
666 (decide_block_copy): Assert that the element is not a group.
667 Propagate decision to groups.
668 (generate_one_element_ref): Handle RANGE_EXPR.
669 (mark_no_warning): Iterate over actual childs.
670 (generate_copy_inout): Likewise.
671 (generate_element_copy): Likewise.
672 (generate_element_zero): Likewise.
673 (generate_element_init_1): Likewise.
674 (dump_sra_elt_name): Handle RANGE_EXPR.
676 2006-07-03 Roger Sayle <roger@eyesopen.com>
678 PR tree-optimization/26251
679 * tree-ssa-threadupdate.c (redirection_block_p): New function.
680 (thread_block): When optimizing for size refuse to thread jumps
681 that would require duplication of blocks other than redirection
684 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
686 * configure.ac: Fix thinko in previous check-in.
687 * configure: Regenerate.
689 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
692 * configure.ac (for lang...): Simplify nesting of conditionals.
693 Test subdir_requires for non-enabled languages. Move processing
694 of lang_opt_files and lang_tree_fiels below that test.
695 * configure: Regenerate.
696 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
698 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
700 * doc/gcov.texi (Invoking Gcov): Add a missing word.
702 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
704 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
707 2006-06-29 Jason Merrill <jason@redhat.com>
714 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
715 * c-common.c (c_determine_visibility): Handle it here.
716 * c-decl.c (finish_decl): Call c_determine_visibility for
718 * flags.h (enum symbol_visibility): Sort from most to least visibility.
720 * varasm.c (default_assemble_visibility): Likewise.
721 * c-common.c (handle_visibility_attribute): Complain about trying
722 to give visibility to an already defined class, or trying to change
723 declared visibility. Always attach the attribute.
728 * attribs.c (decl_attributes): Ignore type-in-place attributes
729 once the type has been defined.
731 2006-06-29 Roger Sayle <roger@eyesopen.com>
734 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
735 to indicate the cpplib has issued an error message for us.
737 2006-06-29 Asher Langton <langton2@llnl.gov>
740 * config/i386/i386.c (ix86_output_function_epilogue): Don't
741 insert a label at the end of an function under Mach-O.
743 2006-06-29 Eric Christopher <echristo@apple.com>
744 Evan Cheng <evan.cheng@apple.com>
746 * predicates.md (vector_all_ones_operand): New.
747 (nonimmediate_or_sse_const_operand): Ditto.
748 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
749 * config/i386/i386.c (standard_sse_constant_opcode): Define.
750 (standard_sse_mode_p): Ditto.
751 (standard_sse_constant_p): Add case for -1 vector.
752 (ix86_expand_vector_move): Try to use.
753 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
754 Call standard_sse_constant_opcode.
755 (*movv4sf_internal): Ditto.
756 (*movv2df_internal): Ditto.
758 2006-06-29 Roger Sayle <roger@eyesopen.com>
760 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
761 of XEXP to extract the operands of a MATCH_CODE rtx.
763 2006-06-28 Andrew Pinski <pinskia@gmail.com>
765 * tree.c (tree_size): Do not waste tail padding in
766 struct tree_string and make the size be the same as
767 build_string will generate.
769 2006-06-28 Jason Merrill <jason@redhat.com>
772 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
773 may_aliases already in the tag's annotations to the bitmap.
775 2006-06-28 Roger Sayle <roger@eyesopen.com>
777 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
779 2006-06-28 Roger Sayle <roger@eyesopen.com>
781 * genpreds.c (generate_switch_p): New function.
782 (add_mode_tests): Push the new mode test down inside an AND expr
783 if this allows the switch-suitable MATCH_CODE to be near the root.
784 (write_match_code_switch): New function to write a MATCH_CODE as
786 (write_predicate_stmts): New function to write a predicate RTX
787 expression as a sequence of statements.
788 (write_one_predicate_function): Use write_predicate_stmts.
789 (write_tm_constrs_h): Likewise.
791 2006-06-26 Fred Fish <fnf@specifix.com>
793 * config/mips/t-sb1: New file.
794 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
797 2006-06-26 DJ Delorie <dj@redhat.com>
799 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
801 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
802 Jayant Sonar <jayants@kpitcummins.com>
803 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
805 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
806 (subsi3, subsi3_1, subsi3_2): New.
807 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
808 * config/m32c/mov.md (SI mov peephole): New.
809 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
810 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
812 2006-06-26 Olivier Hainque <hainque@adacore.com>
814 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
815 a CALL_EXPR target function declaration.
817 2006-06-26 Richard Guenther <rguenther@suse.de>
819 * tree.c (build_string): Do not waste tail padding in
822 2006-06-26 Richard Guenther <rguenther@suse.de>
824 * ggc-page.c (init_ggc): Add missing element to size_lookup
828 2006-06-23 Richard Guenther <rguenther@suse.de>
830 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
831 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
832 alignment requests instead. Add verification code.
833 Add struct tree_function_decl and struct tree_binfo size to
834 extra_order_size_table. Add missing element to size_lookup
837 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
840 * fold-const.c (const_binop): Be prepared for self returning zero.
841 Simplify code handling complex values.
843 2006-06-24 Olivier Hainque <hainque@adacore.com>
845 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
846 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
849 2006-06-24 Olivier Hainque <hainque@adacore.com>
851 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
852 ARRAY_REF, so have the callback called for the low bound expression.
854 2006-06-23 Janis Johnson <janis187@us.ibm.com>
856 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
857 * c-typeck.c (c_common_type): Disallow operations on decimal float
858 types and other float types.
859 * convert.c (convert_to_real): Don't ignore conversions involving
862 2006-06-23 Olivier Hainque <hainque@adacore.com>
864 * tree.c (max_int_size_in_bytes): New function, inspired from
865 code in function.c:assign_temp.
866 * tree.h (max_int_size_in_bytes): Declare.
867 * function.c (assign_temp): Use it.
868 * gimplify.c (create_tmp_var): Relax the assertions on the type
869 properties, not mandating constant size any more.
870 (force_constant_size): New static function.
871 (gimple_add_tmp_var): Use it, forcing variable size to a
872 constant upper bound if it is not constant on entry.
874 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
877 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
878 for initialization and setting of one_only flag to ...
879 (i386_pe_encode_section_info): ...here.
880 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
881 Recheck that the symbol has not been defined.
883 2006-06-23 Richard Guenther <rguenther@suse.de>
885 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
886 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
887 alignment requests instead. Add verification code.
888 Add struct tree_function_decl and struct tree_binfo size to
889 extra_order_size_table. Add missing element to size_lookup
892 2006-06-22 Roger Sayle <roger@eyesopen.com>
893 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
896 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
897 call to lang_hooks.types.type_for_mode returned NULL_TREE.
899 2006-06-23 Ben Elliston <bje@au.ibm.com>
901 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
902 negate dn -- manipulate it directly.
904 2006-06-22 Roger Sayle <roger@eyesopen.com>
905 Steven Bosscher <stevenb.gcc@gmail.com>
908 * reload1.c (gen_reload): Call mark_jump_label on the new insns
909 generated by gen_move_insn to add REG_LABEL notes if necessary.
911 2006-06-22 Bob Wilson <bob.wilson@acm.org>
913 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
914 (leaf_entry): Remove use of MIN_ESA.
916 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
918 PR rtl-optimization/28121
919 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
922 2006-06-21 DJ Delorie <dj@redhat.com>
924 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
926 (mulhisi3_r): Likewise.
928 2006-06-21 Richard Sandiford <richard@codesourcery.com>
931 * coverage.c (coverage_counter_alloc): Leave the index type
933 (coverage_counter_alloc): Use null arguments for operands 2 and 3
936 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
938 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
939 section from the "Options for Code Generation Conventions".
941 2006-06-21 Richard Henderson <rth@redhat.com>
945 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
947 (global_symbolic_operand): Allow weak symbols, even if local_p.
949 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
951 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
952 (find_interesting_uses_address): Punt if above function returns true.
954 2006-06-21 Richard Guenther <rguenther@suse.de>
956 * configure: Regenerated.
958 2006-06-21 Joseph Myers <joseph@codesourcery.com>
960 * config/mips/mips.c (function_arg): Where one part of a
961 complex argument is in registers and the other part in the stack,
962 return a REG not a PARALLEL.
964 2006-06-21 Mark Mitchell <mark@codesourcery.com>
966 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
967 when cross-compiling. Do not substitute libstdcxx_incdir.
968 * configure: Regenerated.
970 2006-06-21 Jakub Jelinek <jakub@redhat.com>
972 * varasm.c (mergeable_string_section): Check for embedded NULs and
973 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
974 rather than TREE_STRING_LENGTH bytes.
976 2006-06-21 Richard Guenther <rguenther@suse.de>
978 * ggc-page.c (extra_order_size_table): Add var_ann_d,
979 tree_ssa_name, bitmap_element and phi_node with 4 arguments
982 2006-06-21 Richrad Guenther <rguenther@suse.de>
984 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
985 Limit iteration over the dominators.
987 2006-06-20 Roger Sayle <roger@eyesopen.com>
989 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
990 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
992 2006-06-20 Richard Guenther <rguenther@suse.de>
993 Michael Matz <matz@suse.de>
995 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
997 * alloc-pool.c (free_alloc_pool_if_empty): New function.
998 * et-forest.h (et_free_pools): Prototype new function.
999 * et-forest.c (et_free_tree_force): Free parent occurrence.
1000 (et_free_pools): New function.
1001 * dominance.c (free_dominance_info): Free et-forest alloc
1004 2006-06-20 Roger Sayle <roger@eyesopen.com>
1006 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1007 integer modes, attempt to directly construct an integer constant.
1009 * fold-const.c (native_encode_vector): Determine the size of each
1010 element from the vector type instead of the first vector element.
1012 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1013 if all of its elements/components are constant.
1014 (build_constructor_from_list): Likewise.
1016 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1018 PR tree-optimization/27331
1019 * tree-data-ref.c (free_data_ref): New function.
1020 (create_data_ref): Fail if the data reference has unknown access
1022 (free_data_refs): Use free_data_ref.
1024 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1027 * tree-inline.c (setup_one_parameter): Strip useless
1028 type conversion before adding it to the IR.
1029 (declare_return_variable): Likewise.
1031 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1034 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1036 2006-06-19 Mike Stump <mrs@apple.com>
1038 * tree.c (variably_modified_type_p): VM arguments don't make the
1041 2006-06-19 Richard Guenther <rguenther@suse.de>
1043 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1044 type conversions after folding.
1046 2006-06-19 Richard Guenther <rguenther@suse.de>
1048 * ggc-page.c (extra_order_size_tab): Add entries with
1049 size of struct function and basic_block.
1050 (size_lookup): Extend to cover sizes up to 511.
1051 (ggc_alloc_stat): Adjust user.
1052 (ggc_pch_count_object): Likewise.
1053 (ggc_pch_alloc_object): Likewise.
1054 (ggc_pch_write_object): Likewise.
1056 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1058 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1059 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1062 2006-06-19 Denis Chertykov <denisc@overta.ru>
1064 * config/avr/libgcc.S : Correct my wrong previous commit.
1066 2006-06-19 Roger Sayle <roger@eyesopen.com>
1069 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1070 have stripped a SUBREG from the shift count, so we may need to
1071 convert_to_mode back to the type's mode before calling make_tree.
1072 Use new_amount instead of amount to avoid expanding a tree twice.
1074 2006-06-19 Richard Guenther <rguenther@suse.de>
1077 * fold-const.c (operand_equal_p): Check if the argument types
1078 have the same precision before stripping NOPs.
1080 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1082 Fix PR tree-optimization/27341
1083 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1085 * tree-complex.c (pass_lower_complex): Update SMT usage.
1087 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1089 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1090 Add a new alternative to the constraint strings. Add move of
1091 operand 1 to 3 to the splitter definition.
1092 ("doloop_si_long"): Second contraint alternative removed.
1094 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1096 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1097 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1099 (AVR_HAVE_MOVW) Define.
1100 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1101 (ASM_SPEC): Add avr25.
1102 (LINK_SPEC): Add avr25.
1103 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1104 (base_arch_s): Add new member 'have_movw_lpmx'.
1105 (avr_arch_types): Init 'have_movw_lpmx'.
1106 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1107 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1108 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1109 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1110 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1112 (avr_file_start): Do not output '.arh' derective.
1113 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1114 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1115 * config/avr/avr.md (mcu_enhanced): Delete.
1116 (mcu_have_movw): Define.
1117 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1118 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1119 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1120 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1121 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1122 attiny861 and at86rf401 devices.
1124 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1126 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1129 2006-06-17 Karl Berry <karl@gnu.org>
1131 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1132 doc/gccint.texi, doc/install.texi (@dircategory): Use
1133 "Software development" instead of "Programming", following
1134 the Free Software Directory.
1136 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1138 * config/i386/i386.c (legitimate_tls_address)
1139 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1140 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1141 (*tls_dynamic_gnu2_combine_64): Likewise.
1143 2006-06-16 Richard Guenther <rguenther@suse.de>
1146 * fold-const.c (negate_expr_p): Do not introduce undefined
1147 overflow in negating INTEGER_CSTs.
1148 (fold_negate_expr): Rename from negate_expr. Revert last
1149 change for folding BIT_NOT_EXPR. Change semantics to
1150 return NULL_TREE for non-simplified negations. Do not
1151 strip type conversions and unify type handling.
1152 (negate_expr): New function, wrap around fold_negate_expr
1153 but ensure building a tree always. Strip type conversions
1154 here, fold to result type.
1155 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1157 2006-06-16 Roger Sayle <roger@eyesopen.com>
1160 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1161 that (would) return their results in stack registers.
1163 2006-06-16 Michael Matz <matz@suse.de>
1164 Richard Guenther <rguenther@suse.de>
1166 * fold-const.c (fold_truthop): Only return new tree node if
1167 we canonicalized something.
1169 2006-06-16 Richard Guenther <rguenther@suse.de>
1171 * function.h (enum function_frequency): Move declaration
1172 out of struct function.
1173 (struct function): Move bool fields and the enum to the bitfield
1174 section. Reorder elements to avoid padding. Remove unused
1175 fields left over from the RTL inliner removal.
1176 * function.c (free_after_compilation): Do not zero removed fields.
1177 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1178 (ipa-type-escape.o): Likewise.
1180 2006-06-16 Richard Guenther <rguenther@suse.de>
1182 * cgraph.h (struct cgraph_local_info): Turn bool elements
1184 (struct cgraph_node): Likewise.
1185 (struct cgraph_varpool_node): Likewise.
1187 2006-06-15 Richard Guenther <rguenther@suse.de>
1189 * fold-const.c (fold_truth_not_expr): Rename from
1190 invert_truthvalue. Give it fold_* semantics to avoid
1192 (invert_truthvalue): New function. Wrapper around
1193 fold_truth_not_expr.
1194 (optimize_minmax_comparison): Avoid creating garbage.
1195 (fold_unary): Use fold_truth_not_expr for folding
1197 (fold_ternary): Replace uses of invert_truthvalue with
1198 fold_truth_not_expr where applicable.
1199 * tree.h (fold_truth_not_expr): Prototype.
1201 2006-06-16 Richard Guenther <rguenther@suse.de>
1203 PR tree-optimization/27781
1204 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1205 * ipa-pure-const.c (target.h): Include.
1206 (analyze_function): Do not analyze functions that do not
1209 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1212 * tree-dfa.c (referenced_vars_dup_list): Remove.
1213 (find_referenced_vars): Remove assert.
1214 (referenced_var_check_and_insert): Replace dup list with assert.
1215 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1216 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1218 2006-06-15 Richard Guenther <rguenther@suse.de>
1220 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1221 extra unused identifiers if not dumping.
1222 (create_variable_info_for): Likewise.
1224 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1226 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1227 (derive_constant_upper_bound): Derive more precise upper bound in
1228 common cases. Return type changed to double_int.
1229 (record_estimate): Reflect the changed return type of
1230 derive_constant_upper_bound.
1231 * double-int.c (double_int_zext, double_int_sext): Fix.
1233 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1235 * configure.ac (CFLAGS): Get them from the toplevel or from the
1236 configure invocation.
1237 * configure: Regenerate.
1238 * Makefile.in (CFLAGS): Substitute value provided by configure.
1240 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1243 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1244 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1245 rather than calling add_stmt on it.
1246 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1248 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1251 * reload1.c (reload): Remove registers returned by update_eliminables
1252 from used_spill_regs.
1254 2006-06-13 DJ Delorie <dj@redhat.com>
1256 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1258 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1260 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1261 html__strip_dir, html__mkdir_p. Enhance install-html target.
1262 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1263 * configure: Regenerate.
1265 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1267 * fold-const.c (fold_cond_expr_with_comparison): Check for
1268 Objective-C++ as language in deciding COND_EXPR transformation.
1270 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1273 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1274 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1275 * config/sh/lib1funcs.h (SL, SL1): Define.
1276 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1277 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1278 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1279 (OBJS_Os_4_200): New variable.
1280 ($(T)libgcc-Os-4-200.a): Use it.
1281 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1282 when dividing 1 and/or by 0.
1284 2006-06-13 Roger Sayle <roger@eyesopen.com>
1286 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1287 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1288 * configure: Regenerate.
1290 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1292 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1293 for real instruction.
1295 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1298 * haifa-sched.c (check_cfg): Handle special case.
1300 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1303 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1304 Add debug_info parameter. Chain the vars to the BLOCK instead
1305 of the BIND_EXPR if debug info are requested for them.
1306 (pop_gimplify_context): Adjust for above change.
1307 (gimple_add_tmp_var): Likewise.
1308 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1310 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1311 (convert_local_reference): Likewise.
1312 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1313 (finalize_nesting_tree_1): Request that debug info be emitted
1314 for debug_var_chain.
1316 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1318 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1319 for PR target/27863.
1321 2006-06-13 Richard Guenther <rguenther@suse.de>
1324 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1326 2006-06-13 Richard Guenther <rguenther@suse.de>
1328 PR tree-optimization/27830
1329 * tree-inline.c (copy_body_r): For copying the operand
1330 of an ADDR_EXPR make sure to fold &* afterwards.
1332 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1334 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1335 lvalues in the fb_none case with side-effects.
1337 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1339 * tree-flow.h: Remove the prototype for
1340 compute_phi_arg_on_exit.
1341 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1342 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1345 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1347 * builtins.c (expand_builtin_return_addr): Only use
1348 frame_pointer_rtx when count == 0 and we are expanding
1349 __builtin_return_address.
1351 2006-06-12 Fred Fish <fnf@specifix.com>
1353 * config/mips/mips.c (mips_file_start): Create special section
1354 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1356 2006-06-11 Eric Christopher <echristo@apple.com>
1359 * stor-layout.c (place_field): Remove check for
1360 remaining_in_alignment when aligning at the end of a run.
1362 2006-06-11 Eric Christopher <echristo@apple.com>
1365 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1368 2006-06-11 Roger Sayle <roger@eyesopen.com>
1371 Revert incorrect fix for PR target/27158
1372 2006-05-08 Roger Sayle <roger@eyesopen.com>
1373 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1374 of a reg_equiv_constant if the result is a legitimate constant.
1376 2006-06-11 Roger Sayle <roger@eyesopen.com>
1379 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1380 extract a CONST_VECTOR element and interpret it as an integer.
1381 (vspltis_constant): Use const_vector_elt_as_int instead of the
1382 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1383 * config/rs6000/predicates.md (easy_vector_const): Consider
1384 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1386 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1389 * stor-layout.c (update_alignment_for_field): Don't add extra
1390 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1393 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1395 * config/mips/t-rtems: Add EL/EB multilib variants.
1397 2006-06-09 Mike Stump <mrs@apple.com>
1399 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1401 2006-06-09 David Daney <ddaney@avtrex.com>
1403 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1405 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1407 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1409 2006-06-09 Richard Guenther <rguenther@suse.de>
1411 PR tree-optimization/26998
1412 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1413 of signed types, only TYPE_MIN_VALUE is special, but for both,
1414 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1415 in this case, as is -fwrapv.
1417 2006-06-08 Mike Stump <mrs@apple.com>
1420 * config/darwin.c (darwin_asm_output_anchor): Disable
1421 -fsection-anchors on darwin for now.
1422 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1423 * rs6000/rs6000.c (optimization_options): Likewise.
1425 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1428 * config/i386/i386.c (classify_argument): Skip fields with invalid
1431 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1433 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1434 (cse_insn): Likewise for the stack_pointer_rtx.
1436 2006-06-08 Roger Sayle <roger@eyesopen.com>
1438 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1439 conditions from floating point comparisons.
1441 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1444 * expmed.c (struct alg_hash_entry): Fix type of field T
1445 to match synth_mult argument.
1446 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1448 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1451 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1454 2006-06-08 Richard Guenther <rguenther@suse.de>
1457 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1458 only, if overflow is defined and not trapping.
1459 (negate_expr): Likewise.
1461 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1463 PR tree-optimization/27872
1464 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1465 flag on the new exit edge of the unrolled loop.
1467 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1469 PR rtl-optimization/26449
1470 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1472 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1475 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1476 referenced_variables with matching DECL_UID's.
1477 (find_referenced_vars): Make sure duplicate list is empty to start.
1478 (referenced_var_p): Remove.
1479 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1480 Check if var is in the list, and add if needed. Update the duplicate
1481 list if a different var is in the list with the same DECL_UID.
1482 (add_referenced_var): Call routine to check and insert.
1483 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1484 * tree-flow.h (referenced_vars_dup_list): External declaration.
1486 2006-06-07 Fred Fish <fnf@specifix.com>
1488 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1491 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1494 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1495 the imaginary and real parts of a clobbered register.
1496 Emit insn to set the imaginary part.
1498 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1500 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1501 in lieu of unwind-dw2-fde.c.
1503 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1505 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1507 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1510 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1511 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1512 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1513 V4SImode temporaries and operations instead.
1515 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1517 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1520 2006-06-06 Mike Stump <mrs@apple.com>
1522 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1523 installing during build.
1525 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1527 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1529 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1530 * config/ia64/ia64.c (params.h): New header.
1531 (ia64_optimization_options): New function to adjust parameters.
1532 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1533 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1534 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1536 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1538 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1540 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1543 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1545 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1546 Victor Kaplansky <victork@il.ibm.com>
1548 PR tree-optimization/26360
1549 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1552 2006-06-04 Roger Sayle <roger@eyesopen.com>
1553 Andrew Pinski <pinskia@physics.uc.edu>
1556 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1557 for LABEL_DECL before calling DECL_WEAK.
1560 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1561 LABEL_DECL and PARM_DECL.
1563 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1567 * c-decl.c (grokdeclarator): Disallow variably modified types at
1568 file scope. Avoid marking shared array type of constant size as
1571 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1574 * c-common.c (fold_offsetof_1): Handle static members.
1576 2006-06-04 Eric Christopher <echristo@apple.com>
1578 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1579 (debug_rli): Output value for remaining_in_alignment.
1580 (update_alignment_for_field): Unconditionalize
1581 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1582 extra alignment code.
1583 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1584 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1585 * tree.h (record_layout_info_s): Remove prev_packed.
1586 * doc/extend.texi (ms_struct): Add documentation of format.
1588 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1590 * tree.h: Declare folding_initializer.
1591 * builtins.c (fold_builtin_constant_p): Give definite answer
1592 if folding inside an initializer.
1593 * fold-const.c: Define folding_initializer.
1594 (START_FOLD_INIT): Save and then set folding_initializer.
1595 (END_FOLD_INIT): Restore folding_initializer.
1597 2006-06-04 Richard Guenther <rguenther@suse.de>
1599 PR tree-optimization/27039
1600 * fold-const.c (fold_comparison): Handle pointer comparison
1601 again for all comparison codes. Compare offsets in signed
1603 (fold_binary): Move code from here.
1605 2006-06-03 Roger Sayle <roger@eyesopen.com>
1608 * config/i386/i386.c (construct_container): Split static issued_error
1609 flag into issued_sse_arg_error, issued_sse_ret_error and
1610 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1611 requires the use of x87 registers and the user explicitly
1612 specified the -mno-80387 command line option.
1614 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1616 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1617 HAVE_DECL_SIGALTSTACK.
1619 (segv_handler): Use MC_FLD.
1620 * configure.ac: Check for a sigaltstack declaration.
1621 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1622 * configure: Regenerate.
1623 * config.in: Regenerate.
1625 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1628 * Makefile.in (stmp-fixinc): Fix typo.
1630 2006-06-02 Roger Sayle <roger@eyesopen.com>
1632 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1633 are type correct. Clean-up.
1634 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1635 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1637 2006-06-01 DJ Delorie <dj@redhat.com>
1639 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1640 shift, as we've disabled the "switch" insn that needs it.
1642 2006-06-01 Per Bothner <bothner@bothner.com>
1644 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1645 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1646 * c-ppoutput.c (cb_define): Don't increment line 0.
1648 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1650 * doc/invoke.texi: Add cpu_type power6.
1651 * config.gcc: Add cpu_type power6.
1652 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1653 to power5+ with Altivec.
1654 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1655 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1657 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1659 * config/avr/avr.h (SET_ASM_OP): Define.
1661 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1663 * config/bfin/bfin.c: Fix comment typos.
1665 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1668 * doc/install.texi: Document --enable-bootstrap and
1669 --disable-bootstrap.
1671 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1673 * doc/install.texi: Document that InfoZIP can replace jar.
1675 2006-05-31 Roger Sayle <roger@eyesopen.com>
1677 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1678 isn't available, directly generate the simpler x87 patterns without
1679 the (use (const_int 0)).
1680 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1681 implementation isn't available.
1682 (*negdf2_1): Likewise.
1683 (*negxf2_1): XF mode negation is always done using the x87.
1684 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1686 2006-05-31 Roger Sayle <roger@eyesopen.com>
1688 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1689 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1691 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1693 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1695 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1696 * config/bfin/bfin.c (basic-block.h): Include.
1697 (struct machine_function): New.
1698 (bfin_init_machine_status): New.
1699 (override_options): Initialize init_machine_status.
1700 (bfin_hardware_loop): New.
1701 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1702 (DEF_VEC_P (loop_info)): New.
1703 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1704 (struct loop_info): New.
1705 (loop_info): New typedef.
1706 (struct loop_work): New.
1707 (loop_work): New typedef.
1708 (DEF_VEC_O (loop_work)): New.
1709 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1710 (bfin_dump_loops): New.
1711 (bfin_bb_in_loop): New.
1712 (bfin_scan_loop): New.
1713 (bfin_optimize_loop): New.
1714 (bfin_reorg_loops): New.
1715 (bfin_reorg): Use bfin_reorg_loops.
1716 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1718 (I_REGNO_P): Simplify.
1719 (DP_REGNO_P, DPREG_P): New macros.
1720 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1721 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1722 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1723 Add LT_REGS, LC_REGS, LB_REGS.
1724 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1726 (REGNO_REG_CLASS): Deal with loop registers.
1727 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1729 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1730 New constants for loop registers.
1731 (UNSPEC_LSETUP_END): New.
1732 (seq_insns): New define_attr. Set it for appropriate insns.
1733 (movsi_insn): Add alternatives for move from/to
1734 loop count registers.
1735 (doloop_end): New define_expand.
1736 (loop_end): New define_insn.
1737 (define_split for bad doloop_end): New.
1738 (lsetup_with_autoinit): New define_insn.
1739 (lsetup_without_autoinit): New define_insn.
1740 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1741 * config/bfin/predicates.md (lc_register_operand): New.
1742 (lt_register_operand): New.
1743 (lb_register_operand): New.
1744 (nondp_register_operand): New.
1745 (nondp_reg_or_memory_operand): New.
1746 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1748 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1750 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1751 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1753 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1755 * Makefile.in (CATALOGS): Add po/ prefix.
1756 * configure: Regenerated.
1758 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1761 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1762 a shift operand before calling shift_op. Avoid redundant call of
1765 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1766 DJ Delorie <dj@redhat.com>
1768 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1769 we're inserting is a singlt-bit constant.
1771 2006-05-30 Roger Sayle <roger@eyesopen.com>
1773 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1774 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1776 2006-05-30 Roger Sayle <roger@eyesopen.com>
1778 PR tree-optimization/23452
1779 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1780 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1781 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1782 complex values and with -ffast-math for FP complex values.
1784 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1786 * c-common.h: Remove the prototype for yyparse.
1787 * rtl.h: Remove the prototype for init_loop.
1789 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1791 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1794 2006-05-30 Roger Sayle <roger@eyesopen.com>
1796 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1798 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1799 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1801 2006-05-30 Dirk Mueller <dmueller@suse.de>
1804 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1805 for CONSTANT_CLASS_P expresisons.
1807 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1810 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1812 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1814 PR tree-optimization/27779
1815 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1816 initial_condition instead of CHREC_LEFT.
1818 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1820 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1821 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1822 Make prototypes ISO C90.
1824 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1825 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1827 * see.c (see_analyze_one_def): Correct check.
1828 (see_get_extension_data): Check if extension is parallel.
1829 (see_get_extension_reg): Likewise.
1831 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1834 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1835 into register for (code == GTU).
1837 2006-05-29 Roger Sayle <roger@eyesopen.com>
1839 PR tree-optimization/24964
1840 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1841 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1842 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1843 abs(x)*abs(x) as x*x for scalar floating point modes.
1845 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1848 * lambda-code.c (perfect_nestify): Don't copy statements
1849 in the inner loop: move them to the inner loop header.
1851 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1854 * c-tree.texi: Document OpenMP directives and clauses.
1856 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1858 * varasm.c (globalize_decl): Fix indentation.
1860 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1863 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1864 pass_fre, pass_store_ccp, pass_copy_prop,
1865 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1866 pass_return_slot, pass_object_size, pass_lim,
1867 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1868 pass_loop_prefetch and pass_stdarg.
1870 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1872 * config/bfin/bfin.opt (mfdpic): New option.
1873 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1874 (EXTRA_MULTILIB_PARTS): Likewise.
1875 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1876 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1878 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1879 (CRT_CALL_STATIC_FUNCTION): New.
1880 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1882 (CRT_CALL_STATIC_FUNCTION): New.
1883 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1885 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1886 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1887 (initialize_trampoline): Changed to handle FD-PIC code generation.
1888 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1889 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1890 (override_options): Disallow -mid-shared-library -mfdpic combination.
1891 Can't do unaligned ops if FD-PIC.
1892 Turn off flag_pic if trying to generate non-id-shared-library
1893 non-fdpic code, since it's not supported.
1894 (bfin_assemble_integer): New function.
1895 (TARGET_ASM_INTEGER): Define.
1896 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1898 * config/bfin/crtn.s: Restore them.
1899 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1901 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1902 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1903 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1904 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1905 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1907 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1908 FDPIC_REGS and FDPIC_FPTR_REGS.
1909 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1910 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1911 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1912 (load_funcdescsi): New pattern.
1913 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1914 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1915 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1917 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1919 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1922 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1924 * tree-flow.h: Remove the prototype for add_type_alias.
1925 * tree-ssa-alias.c (add_type_alias): Remove.
1927 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1929 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1930 config/fr30/fr30.md, config/i386/i386-interix.h,
1931 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1932 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1933 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1934 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1935 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1936 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1937 Follow spelling conventions.
1938 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1939 Follow spelling conventions.
1941 2006-05-27 Richard Guenther <rguenther@suse.de>
1944 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1945 to produce a constant of value 1 of generic type.
1947 2006-05-27 Dirk Mueller <dmueller@suse.de>
1949 * cgraphunit.c (decide_is_function_needed): Fix wrong
1952 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1954 PR rtl-optimization/27661
1955 * reload.c (find_reloads): When reloading a VOIDmode constant
1956 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1957 use Pmode as mode of the reload register.
1959 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1961 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1962 is enabled at -O and above.
1964 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1967 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1970 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1973 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1974 for anonymous variables explicitly declared by front ends.
1976 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1978 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1979 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1980 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1981 ref-all pointers, run a finalization pass for them.
1982 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1983 (finalize_ref_all_pointers): New function.
1984 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1985 regular pointer type to a ref-all pointer type.
1986 (get_tmt_for): Return the special memory tag for ref-all pointers.
1988 2006-05-25 Richard Guenther <rguenther@suse.de>
1991 * fold-const.c (fold_binary): Do not look at the stripped
1992 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1994 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1996 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1997 for LT and GT if the computed range is effectively empty.
1999 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2002 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2003 mips_quad_format formats instead of ieee_single_format,
2004 ieee_double_format and ieee_quad_format formats, respectively.
2006 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2008 PR tree-optimization/27639
2009 PR tree-optimization/26719
2010 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2011 call to scev_probably_wraps_p.
2012 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2013 used_in_pointer_arithmetic_p, convert_step): Removed.
2014 (nowrap_type_p): New function.
2015 (scev_probably_wraps_p): Rewritten.
2016 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2017 chrec_convert if chrec_convert_aggressive might have been used.
2018 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2019 scev_direction): New functions.
2020 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2021 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2022 instead of convert_step.
2023 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2024 (convert_step): Declaration removed.
2025 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2027 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2029 * df-core.c: Added to header comments.
2030 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2031 df_ur_bb_info, df_urec_bb_info): Added comments.
2032 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2033 urec, ri problems): Fixed header comments.
2034 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2035 code from df_rd_transfer_function.
2037 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2039 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2040 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2041 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2043 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2045 * expr.c (undefined_operand_subword_p): New.
2046 (emit_move_multi_word): Do not generate move from undefined bits
2047 of a paradoxical subreg.
2049 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2051 PR rtl-optimization/27736
2052 * combine.c (replaced_rhs_value): New variable.
2053 (combine_instructions): Set it.
2054 (distribute_notes): When distributing a note in replaced_rhs_insn,
2055 check whether the value was used in replaced_rhs_value.
2057 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2060 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2061 add_referenced_var instead of add_referenced_tmp_var.
2062 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2063 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2065 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2066 tree_optimize_tail_calls_1): Use add_referenced_var.
2067 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2068 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2069 Use add_referenced_var.
2070 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2071 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2072 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2073 Use add_referenced_var.
2074 * tree-dfa.c (struct walk_state): Remove.
2075 (find_referenced_vars): Remove walk state and vars_found hash table.
2076 (make_rename_temp): Use add_referenced_var.
2077 (find_vars_r): Pass less parameters to add_referenced_var.
2078 (referenced_var_p): New. Is var in referenced_var hash table.
2079 (referenced_var_insert): Assert var isn't already in hash table.
2080 (add_referenced_var): Don't need walk_state parameter. Add var if it
2081 isn't already in the hash table.
2082 (add_referenced_tmp_var): Remove.
2083 (find_new_referenced_vars_1): Use add_referenced_var.
2084 * tree-ssa-pre.c (create_expression_by_pieces,
2085 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2086 Use add_referenced_var.
2087 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2088 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2089 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2091 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2092 vect_create_data_ref_ptr, vect_create_destination_var,
2093 vect_init_vector, vect_build_loop_niters,
2094 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2095 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2096 Use add_referenced_var.
2097 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2098 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2099 (add_referenced_var): Add prototype.
2100 * tree-ssa-structalias.c (get_constraint_for,
2101 intra_create_variable_infos): Use add_referenced_var.
2103 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2105 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2106 big-endian paradoxical subregs.
2107 * var-tracking.c (struct micro_operation_def): Document that,
2108 for modify micro operations, insn is the subsequent instruction.
2109 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2110 (var_reg_set, var_mem_set): ... new functions.
2111 (add_stores): Record subsequent insn.
2112 (compute_bb_dataflow): Use new functions for MO_USE.
2113 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2114 notes after the insn, and modify notes before the insn known
2115 to be the subsequent one.
2116 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2118 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2121 * config/i386/i386.c (ix86_expand_builtin): Use
2122 gen_sse3_monitor64 for TARGET_64BIT.
2124 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2126 PR rtl-optimization/26375
2127 PR rtl-optimization/26855
2128 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2130 (df_ru_bb_local_compute): Reversed statements and removed bogus
2131 comment explaining why they should be in wrong order.
2132 (df_ru_dump, df_rd_dump): Enhanced debug info.
2133 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2135 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2136 reaching uses and fixed space problem.
2138 2006-05-23 Jan Hubicka <jh@suse.cz>
2140 * cgraphunit.c (decide_is_function_needed): Also nested functions
2141 and functions declared inline can be optimized out at -O0.
2143 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2145 * doc/install.texi (Configuration): Remove reference to CrossGCC
2149 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2152 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2153 ix86_compare_emitted is non-NULL.
2155 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2158 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2161 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2163 PR rtl-optimization/25514
2164 * combine.c (replaced_rhs_insn): New variable.
2165 (combine_instructions): Set replaced_rhs_insn when trying to replace
2166 a SET_SRC with a REG_EQUAL note.
2167 (distribute_notes): Use replaced_rhs_insn when determining the live
2168 range of a REG_DEAD register.
2170 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2171 Anatoly Sokolov <aesok@post.ru>
2173 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2174 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2175 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2176 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2177 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2178 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2179 at90usb647, at90usb1286 and at90usb1287 devices.
2180 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2181 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2183 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2185 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2187 2006-05-22 Richard Guenther <rguenther@suse.de>
2190 2006-01-31 Richard Guenther <rguenther@suse.de>
2191 Paolo Bonzini <bonzini@gnu.org>
2193 * doc/install.texi (--disable-libgcc-math): Document.
2195 2006-05-22 Richard Guenther <rguenther@suse.de>
2198 2006-01-31 Richard Guenther <rguenther@suse.de>
2200 * doc/invoke.texi (-msselibm): Document.
2201 * target.h (expand_library_builtin): New target hook.
2202 * builtins.c (expand_builtin): Use expand_library_builtin.
2203 (default_expand_library_builtin): New function.
2204 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2205 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2206 (link_gcc_math_spec): Declare.
2207 (static_specs): Add link_gcc_math_spec.
2208 * expr.h (default_expand_library_builtin): Declare.
2209 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2210 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2211 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2212 * config/i386/i386.opt (msselibm): New target option.
2213 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2214 (ix86_init_sse_abi_builtins): New function.
2215 (ix86_expand_library_builtin): Likewise.
2216 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2217 (override_options): Handle error conditions wrt -msselibm.
2218 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2219 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2220 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2223 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2226 * c-common.c (self_promoting_args_p): Skip erroneous args.
2229 * c-decl.c (finish_struct): Skip erroneous fields.
2231 2006-05-22 Nick Clifton <nickc@redhat.com>
2233 * config/cris/cris.opt (march): Remove VarExists attribute.
2234 (max-stackframe=): Likewise.
2236 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2238 * doc/rtl.texi: Fix a typo.
2239 * see.c: Fix comment typos.
2241 * tree-ssa-structalias.h (alias_info): Remove num_references.
2243 2006-05-21 Mike Stump <mrs@apple.com>
2245 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2247 (darwin_pragma_options): Use BAD instead.
2248 (darwin_pragma_unused): Likewise.
2249 (darwin_pragma_ms_struct): Likewise.
2251 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2253 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2255 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2257 PR rtl-optimization/27671
2258 * simplify-rtx.c (simplify_relational_operation_1): Fix
2259 simplifications of (eq/ne (xor x y) y) and
2260 (eq/ne (xor x y) x).
2262 PR tree-optimization/26622.
2263 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2266 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2268 * tree-cfg.c: Prune whitespace.
2269 (debug_tree_cfg): Point to correct header containing the
2272 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2275 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2277 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2280 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2281 or sorry count is non zero.
2283 2006-05-20 Andreas Schwab <schwab@suse.de>
2285 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2287 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2288 Kenneth Zadeck <zadeck@naturalbridge.com>
2290 PR rtl-optimization/26855
2292 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2294 (df_scan_alloc): Added code to properly handle multiword hard
2295 registers and add all_blocks parameter.
2296 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2297 code to properly handle multiword hard registers.
2298 (df_rescan_blocks): Added code to remove deleted blocks from
2300 (df_ref_create_structure, df_ref_record): Added code to properly
2302 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2303 and set DF_REF_PARTIAL.
2304 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2305 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2306 (df_scan_add_problem): Added flags parameter.
2307 (df_ref_create_structure): Changed switching structure.
2308 (df_bb_refs_record): Fixed case where duplicate artificial refs
2309 were created. Changed location of flags.
2310 (df_record_entry_block_defs): Added code to make stack pointer
2311 live in entry block. Refined cases where frame pointer is needed.
2312 Changed location of flags.
2313 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2314 (df_set_state): Removed function.
2315 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2316 df_insn_create_insn_record, df_insn_refs_delete,
2317 df_ref_create_structure): Formatting changes.
2318 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2319 df_delete_basic_block): New function.
2320 (df_init): Changed location of flags.
2321 (df_add_problem): Added flags parameter and the way flags are
2323 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2324 debug_df_chain): Improved debugging output.
2325 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2326 (df_refs_chain_dump): Removed df parameter.
2327 (df_iterative_dataflow): Added consistency check.
2328 (df_prune_to_subcfg): Made public.
2329 (df_analyze_problem): Added blocks_to_init parameter and made
2331 (df_ref_record, df_bb_refs_record, df_mark_reg,
2332 df_record_exit_block_uses): Whitespace changes.
2333 (df_dump): Whitespace changes.
2334 * df.h: Some reordering to remove forward references.
2335 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2336 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2337 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2338 (dataflow.flags): New field.
2339 (df.flag): Deleted field.
2340 (df_alloc_function): Added additional bitmap parameter.
2341 (df_dependent_problem_function): New type.
2342 (df_problem.changeable_flags): New field.
2343 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2344 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2345 (df_mw_hardreg): New struct.
2346 (DF_INSN_UID_MWS): New macro.
2347 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2349 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2350 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2351 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2352 (df_set_state): Removed function.
2353 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2354 * df-problems.c (df_chain_dump): Removed df parameter.
2355 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2356 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2358 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2359 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2360 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2361 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2362 DF_REF_MUST_CLOBBER cases.
2363 (df_ru_bb_local_compute_process_def,
2364 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2365 df_lr_bb_local_compute, df_ur_bb_local_compute,
2366 df_chain_create_bb): Made subreg aware.
2367 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2368 df_lr_bb_local_compute, df_lr_bb_local_compute,
2369 df_chain_create_bb): Cleanup to use proper macros.
2370 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2371 code to fixup bitvectors.
2372 (df_ri_alloc): Cleared lifetime.
2373 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2374 df_create_unused_note): New function.
2375 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2376 REG_DEAD and REG_UNUSED notes as well as register information.
2377 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2378 df_chains_dump): Fixed crash if problem was never run.
2379 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2380 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2381 df_ri_add_problem): Processes flags in uniform manner.
2382 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2383 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2384 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2385 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2386 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2387 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2388 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2389 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2390 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2391 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2392 * see.c (see_initialize_data): Ditto.
2393 * final.c (rest_of_clean_state) Added regstack_completed.
2394 * rtl.h (regstack_completed): Ditto.
2395 * reg-stack.c (regstack_completed): Ditto.
2397 2006-05-19 Mike Stump <mrs@apple.com>
2399 * c-tree.h (default_conversion): Remove.
2400 * c-common.h (default_conversion): Add.
2402 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2404 * tree-vrp.c (valid_value_p): New function.
2405 (adjust_range_with_scev): Fail if the value of bound is not
2408 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2410 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2411 (mips_fallback_frame_state): Use syscall numbers to determine
2412 the appropriate li instruction for the current ABI. Only use
2413 __NR_sigreturn for o32.
2415 2006-05-19 Nicolas Setton <setton@adacore.com>
2417 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2418 * langhooks.c (lhd_dwarf_name): New function.
2419 * langhooks-def.h (lhd_dwarf_name): Declare.
2420 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2421 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2422 * ada/misc.c (gnat_dwarf_name): New function.
2423 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2425 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2427 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2429 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2430 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2431 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2432 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2433 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2434 determine the size of Wtype, etc.
2435 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2436 (swfloatfuncs): New variable.
2437 (dwfloatfuncs): Likewise.
2438 (lib2funcs): Remove floating-point conversion functions from
2439 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2440 the set of conversion routines needed. Allow entries to specify
2441 an object name, filename and word size. Update users accordingly.
2442 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2443 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2447 2006-02-08 Roger Sayle <roger@eyesopen.com>
2450 * config/fixtfdi.c: New libgcc source file.
2451 * config/fixunstfdi.c: New source file.
2452 * config/floatditf.c: New source file.
2453 * config/floatunditf.c: New souce file.
2454 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2455 files above instead of config/mips/_tilib.c.
2456 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2458 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2460 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2461 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2463 2006-05-18 Mike Stump <mrs@apple.com>
2465 Fix up vla, vm and [*] sematics.
2471 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2472 (c_vla_unspec_p): Add.
2473 (c_vla_type_p): Add.
2474 * c-decl.c (struct c_scope): Add had_vla_unspec.
2475 (build_array_declarator): Add support for [*].
2476 (grokdeclarator): Likewise.
2477 (grokparms): Likewise.
2478 (get_parm_info): Likewise.
2479 * c-objc-common.c (c_vla_unspec_p): Likewise.
2480 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2481 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2482 typeof when argument is a variably modified type not inside sizeof or alignof.
2483 (c_parser_direct_declarator_inner): Propagate errors.
2484 (c_parser_sizeof_expression): Add support for [*].
2485 (c_parser_parms_declarator): Initialize had_vla_unspec.
2486 (c_parser_parms_list_declarator): Likewise.
2487 * c-typeck.c (c_vla_type_p): Add.
2488 (composite_type): Add support for vla compositing.
2489 (comptypes_internal): Add support for vla compatibility.
2490 (c_expr_sizeof_expr): Evaluate vla arguments.
2491 * tree.c (variably_modified_type_p): Update comment for [*].
2493 2006-05-18 Michael Matz <matz@suse.de>
2496 * config.host: Make assignments to host_xmake_file cumulative.
2497 * config.host (*-darwin*): Test $host, not $target.
2499 2006-05-12 Stuart Hastings <stuart@apple.com>
2501 * config/i386/i386.opt (-mstackrealign): New flag.
2502 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2503 (ix86_handle_cconv_attribute): Emit error when
2504 force_align_arg_pointer attribute collides with too many regparms.
2505 (ix86_function_regparm): Limit regparms when used with
2506 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2507 Support stack-realigning prologue in non-main functions. Emit
2508 warning for nested functions under -mstackrealign, emit error for
2509 nested functions with force_align_arg_pointer attribute.
2510 * doc/extend.texi (force_align_arg_pointer): Document it.
2511 * doc/invoke.texi (-mstackrealign): Document it.
2513 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2515 PR rtl-optimization/27477
2516 * combine.c (try_combine): Don't split a parallel consisting
2517 of two sets into two individual sets if both sets reference
2520 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2522 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2523 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2525 * doc/options.texi (VarExists): Updated.
2527 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2529 * unwind-dw2.c: Add declarations for uw_update_context and
2531 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2532 detected, advance frame state and context once to skip over stub.
2534 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2538 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2539 Call rewrite_into_loop_closed_ssa only when something changed.
2540 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2541 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2542 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2543 Test for perfect_nest_p here. Fix formating.
2544 (replace_uses_equiv_to_x_with_y): Fix formating.
2545 (stmt_uses_op): Removed.
2546 (can_convert_to_perfect_nest): Removed loopivs parameter.
2547 Complete the test by checking the scalar dependences.
2548 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2551 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2554 From Dan Kegel <dank@kegel.com>:
2555 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2557 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2559 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2560 if the element type is variably modified without recursing.
2562 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2565 * tree-loop-linear.c (try_interchange_loops): Test for
2566 no data dependences.
2568 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2570 PR tree-optimization/27548
2571 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2572 range of ssa names that appear on abnormal edges.
2573 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2574 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2576 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2579 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2581 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2584 * tree.h (OMP_PARALLEL_COMBINED): Define.
2585 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2586 (new_omp_context): Add is_combined_parallel argument.
2587 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2588 new_omp_context caller.
2589 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2590 Adjust gimplify_scan_omp_clauses callers.
2591 (omp_is_private): Issue errors if iteration variable is firstprivate
2592 or reduction in the current context.
2593 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2594 on combined parallel workshare constructs.
2596 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2598 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2599 (gcc-options.o): New rule.
2601 * optc-gen.awk: Protect variables for gcc-options.o with
2602 #ifdef GCC_DRIVER/#endif.
2604 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2606 Fix PR tree-optimization/27373
2607 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2608 (forward_propagate_addr_expr): Update call.
2610 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2612 * doc/options.texi: Move the Negative option.
2614 2006-05-16 Richard Guenther <rguenther@suse.de>
2616 PR tree-optimization/22303
2617 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2619 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2620 ccp_fold did not simplify the statement.
2622 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2625 * Makefile.in (GCC_OBJS): New.
2626 (OBJS-common): Add opts-common.o.
2627 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2628 (cpp$(exeext)): Likewise.
2629 (gcc.o): Also depend on opts.h.
2630 (opts-common.o): New.
2632 * common.opt (gcoff): Add Negative(gdwarf-2).
2633 (gdwarf-2): Add Negative(gstabs).
2634 (gstabs): Add Negative(gstabs+).
2635 (gstabs+): Add Negative(gvms).
2636 (gvms): Add Negative(gxcoff).
2637 (gxcoff): Add Negative(gxcoff+).
2638 (gxcoff+): Add Negative(gcoff).
2639 * config/i386/i386.opt (m32): Add Negative(m64).
2640 (m64): Add Negative(m32).
2642 * doc/options.texi: Document the Negative option.
2644 * gcc.c: Include "opts.h".
2645 (main): Call prune_options after expandargv.
2647 * optc-gen.awk: Generate common declarations for all flag
2648 variables in options.c. Output the neg_index field.
2650 * opts.c (find_opt): Moved to ...
2651 * opts-common.c: Here. New file.
2653 * opts.h (cl_option): Add a neg_index field.
2655 (prune_options): Likewise.
2657 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2660 * omp-low.c (expand_omp_parallel): Don't assert
2661 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2662 instead search for it.
2665 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2668 2006-05-16 Andreas Schwab <schwab@suse.de>
2670 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2673 2006-05-15 Roger Sayle <roger@eyesopen.com>
2676 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2677 integer constants other than zero are only legitimate on TARGET_64BIT.
2678 <CONST_VECTOR> Only zero vectors are legitimate.
2679 (ix86_cannot_force_const_mem): Integral and vector constants can
2680 always be put in the constant pool.
2682 2006-05-16 DJ Delorie <dj@redhat.com>
2684 * crtstuff.c (__dso_handle): Set section from
2685 TARGET_LBIGCC_SDATA_SECTION if defined.
2686 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2687 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2689 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2692 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2695 2006-05-16 Ben Elliston <bje@au.ibm.com>
2697 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2699 2006-05-15 Per Bothner <per@bothner.com>
2701 * tree.c: (last_annotated_node): Use source_locus typedef.
2702 This permits bootstrapping with --enable-mapped-location.
2704 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2706 PR tree-optimization/26830
2707 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2708 (info_for_ssa_name, current_info_for_ssa_name_age,
2709 blocks_to_update): New variables.
2710 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2711 (clear_ssa_name_info, initialize_flags_in_bb,
2712 mark_block_for_update): New functions.
2713 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2714 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2715 prepare_def_site_for): Use mark_block_for_update.
2716 (mark_def_interesting): Assert that the processed block is marked in
2717 blocks_to_update. Do not take blocks argument.
2718 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2720 (rewrite_update_init_block, rewrite_update_stmt): Only process
2721 blocks with statements to rewrite.
2722 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2723 (update_ssa): Initialize and free blocks_to_update. Do not
2724 clear flags on statements. Do not use blocks bitmap.
2725 * tree.h (SSA_NAME_AUX): Removed.
2726 (struct tree_ssa_name): Removed aux field.
2727 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2729 2006-05-15 Richard Guenther <rguenther@suse.de>
2731 PR tree-optimization/27603
2732 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2733 Do computations in original type.
2735 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2737 * see.c: Code style changes such as redundant paranthesis,
2738 redundant intialization of local variables etc.
2739 (see_main): Declared now as static.
2740 * doc/invoke.texi: Update that -fsee is not enabled by
2743 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2745 * omp-low.c (check_omp_nesting_restrictions): New function.
2746 (scan_omp_1): Call it.
2749 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2750 construct, return *VAR.
2752 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2754 PR rtl-optimization/27406
2755 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2758 2006-05-14 Roger Sayle <roger@eyesopen.com>
2760 PR rtl-optimization/27538
2761 * combine.c (expand_compound_operation): Call gen_lowpart
2762 before calling simplify_shift_const.
2764 2006-05-14 Roger Sayle <roger@eyesopen.com>
2766 PR rtl-optimization/22563
2767 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2768 a fixed width bitfield, always force the intermediates into psuedos.
2770 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2773 * mkconfig.sh: Use operator = instead of == for test.
2775 2006-05-13 Nick Clifton <nickc@redhat.com>
2777 * dwarf2out.c (dbx_reg_number): Check return value from
2778 LEAF_REG_REMAP and only use it if it is valid.
2779 (multiple_reg_loc_descriptor): Likewise.
2781 2006-05-13 Richard Guenther <rguenther@suse.de>
2783 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2786 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2788 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2789 information attached to non-INSNs such as NOTEs.
2790 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2792 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2794 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2796 * config/s390/s390.md: Adjust comment describing On constraint.
2798 2006-05-11 Jan Hubicka <jh@suse.cz>
2800 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2801 to be output at -O0.
2803 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2806 * fold-const.c (size_binop): Move sanity check for arguments to
2807 the beginning of the function.
2810 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2813 2006-05-11 Richard Guenther <rguenther@suse.de>
2816 * fold-const.c (fold_unary): Handle intermediate conversion
2817 to a pointer type like intermediate conversion to an integer
2818 type in folding of (T1)(T2)var to var.
2819 Match the code to the comment in the final conversion for
2820 (T1)(T2)var to (T1)var regarding to type precision. Rather
2821 than disallow T1 being of pointer type, assert that both T1
2822 and var are of pointer type or not. Make sure not to fall
2823 over the frontends lazyness wrt array to pointer decay though.
2825 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2827 * arm.c (arm_struct_value_rtx): Delete.
2828 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2829 (arm_init_cumulative_args): Always initialize nregs to zero.
2831 2006-05-10 Richard Guenther <rguenther@suse.de>
2833 PR tree-optimization/27532
2834 * tree-object-size.c (plus_expr_object_size): Fix typo.
2836 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2839 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2840 ashrdi_const, ashrdi3): Use a scratch register.
2842 2006-05-10 Richard Guenther <rguenther@suse.de>
2844 PR tree-optimization/27302
2845 * fold-const.c (operand_equal_p): For two comparisons,
2846 try comparison of one comparison code swapped if that yields
2849 2006-05-10 Ben Elliston <bje@au.ibm.com>
2851 * tree-pretty-print.c (pretty_print_string): No need to handle
2852 '\0' as a special character.
2854 * tree.h: Include "hashtab.h".
2855 (iterative_hash_expr): Use hashval_t in its prototype.
2856 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2858 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2861 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2862 (hppa*64*-*-hpux11*): Ditto.
2863 (hppa[12]*-*-hpux11*): Ditto.
2865 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2868 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2870 2006-05-09 Michael Matz <matz@suse.de>
2872 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2873 host_extra_gcc_objs and host_xmake_file.
2874 (<*-*-linux*>): Don't overwrite host_xmake_file.
2875 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2876 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2877 (host_detect_local_cpu): Declare.
2878 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2879 * config/i386/i386.c (override_options): Handle -mtune=native
2881 * config/i386/x-i386: New file.
2882 * config/i386/driver-i386.c: New file.
2883 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2886 2006-05-09 Dirk Mueller <dmueller@suse.de>
2887 Richard Guenther <rguenther@suse.de>
2890 * fold-const.c (fold_read_from_constant_string): Relax check
2891 for matching types to matching modes.
2893 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2895 PR rtl-optimization/27335
2896 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2899 2006-05-08 Chao-ying Fu <fu@mips.com>
2900 Richard Sandiford <richard@codesourcery.com>
2902 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2903 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2904 * config/mips/mips.md (UNSPEC_SCC): New constant.
2905 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2906 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2907 (mips_emit_compare): Use it.
2908 (mips_expand_vcondv2sf): New function.
2910 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2912 Fix PR tree-optimization/27093
2913 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2914 renaming when they become not-used_alone.
2916 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2918 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2919 relocation and relocation stubs.
2921 2006-05-08 Eric Christopher <echristo@apple.com>
2923 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2926 2006-05-08 Jan Hubicka <jh@suse.cz>
2929 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2930 unused static functions are needed.
2932 2006-05-08 Roger Sayle <roger@eyesopen.com>
2935 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2936 of a reg_equiv_constant if the result is a legitimate constant.
2938 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2941 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2942 standard 80387 constants, raise the cost to prevent
2943 compress_float_constant() to generate load from memory.
2945 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2947 * config/arm/constraints.md (c): Fix a typo.
2949 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2952 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2955 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2957 (_mm_mwait): Likewise.
2959 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2961 (sse3_monitor): Make it 32bit only.
2962 (sse3_monitor64): New. 64bit monitor.
2964 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2967 * config/i386/i386.c (classify_argument): Skip fields with invalid
2970 2006-05-07 Richard Guenther <rguenther@suse.de>
2972 PR tree-optimization/27409
2973 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2974 Do not try to find zero-sized subvars.
2976 2006-05-07 Richard Guenther <rguenther@suse.de>
2978 PR tree-optimization/27136
2979 * tree-ssa-loop-niter.c (get_val_for): Correct function
2980 comment, assert requirements.
2981 (loop_niter_by_eval): Stop processing if the iterated
2982 value did not simplify.
2984 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2986 * opts.c (flag_see): remove its setting at -O3.
2988 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2990 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2991 * arm/constraints.md: New file.
2992 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2993 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2994 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2995 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2996 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2997 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2998 * arm.md: Include constraints.md.
2999 (thumb_movsi_insn): Use satisfies_constraint_J.
3000 (movhi, movqi): Use satisfies_constraint_I.
3002 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3004 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3005 for atmeg a645 device.
3007 2006-05-06 Richard Guenther <rguenther@suse.de>
3009 PR tree-optimization/27151
3010 * tree-vect-transform.c (vectorizable_condition): Punt on
3011 values that have a different type than the condition.
3013 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3016 * c-parser.c (c_parser_cast_expression): Only insert casts into
3017 hash table if pointer.
3018 * function.c (used_types_insert_helper): Rename from
3020 (used_types_insert): Call used_types_insert_helper.
3021 * function.h (used_types_insert): Accept only one argument.
3023 2006-05-05 David Edelsohn <edesohn@gnu.org>
3025 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3026 scratch with output modifier.
3028 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3031 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3032 with output modifier.
3034 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3037 * config/mips/mips.c (mips_symbolic_address_p): Return true
3038 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3039 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3041 2006-05-04 Richard Guenther <rguenther@suse.de>
3043 PR tree-optimization/14287
3044 PR tree-optimization/14844
3045 PR tree-optimization/19792
3046 PR tree-optimization/21608
3047 PR tree-optimization/27090
3048 * tree-ssa-pre.c (try_combine_conversion): New function.
3049 (compute_avail): After constructing the value-handle
3050 expression, use try_combine_conversion to combine NOP_EXPRs
3051 with previous value-handle expressions and use the result if it
3054 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3056 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3058 2006-05-04 Jan Hubicka <jh@suse.cz>
3061 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3063 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3065 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3066 that this only matches CONST_INTs. All users changed to VOIDmode
3069 * config/bfin/bfin.c: Include "optabs.h".
3070 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3072 (enum bfin_builtins): Add a number of fractional and vector builtins.
3073 (bfin_init_builtins): Likewise.
3074 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3075 (safe_vector_operand, bfin_expand_binop_builtin,
3076 bfin_expand_unop_builtin): New functions.
3077 (bfin_expand_builtin): Handle the new builtins.
3078 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3081 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3084 * Makefile.in (OBJS-common): Add see.o.
3085 (see.o): Add dependencies.
3086 * common.opt (fsee): New flag for the see optimization was added.
3087 * opts.c (flag_see): Initialized.
3088 * passes.c (init_optimization_passes, pass_see): New pass.
3089 * rtl.h (see_main): Declaration as extern.
3090 * timevar.def (TV_SEE): New.
3091 * tree-pass.h (pass_see): Declaration as extern.
3092 * invoke.texi (-fsee): Document.
3093 * recog.c (validate_simplify_insn): New function.
3094 * recog.h (validate_simplify_insn): Declaration as extern.
3095 * df-problems.c (df_chain_dump): Check for NULL.
3097 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3098 Daniel Berlin <dberlin@dberlin.org>
3100 * cfgrtl.c (insert_insn_bb_end_new): New function.
3101 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3103 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3105 * df.h (struct web_entry): Moved from web.c.
3106 (union_defs): Declaration as extern.
3107 (unionfind_root): Likewise.
3108 (unionfind_union): Likewise.
3109 * web.c (struct web_entry): Moved to df.h.
3110 (unionfind_root): Remove static declaration.
3111 (unionfind_union): Likewise.
3112 (union_defs): Likewise and generalize to use callback function.
3113 (web_main): Update arguments for union_defs function call.
3115 2006-05-04 Richard Guenther <rguenther@suse.de>
3117 PR tree-optimization/26447
3118 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3119 produce SSA_NAME copies before the store stmt to avoid
3120 breaking exception handling.
3122 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3125 * gimplify.c (omp_is_private): If var is shared in some outer context,
3126 return false instead of true. Stop searching on parallel context
3129 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3132 * coverage.c: Use get_gcov_unsigned_t() instead of
3133 unsigned_type_node all over.
3135 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3137 PR tree-optimization/27381
3138 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3139 maintain the same immediate_use links.
3140 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3141 node rather than segfaulting.
3143 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3146 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3147 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3148 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3150 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3152 Fix PR tree-optimization/26626
3153 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3155 * tree-ssa-operands.c (access_can_touch_variable): Allow
3156 typecasting through union pointers.
3158 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3161 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3162 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3163 to find if var will be a global variable even in the nested context.
3164 (omp_copy_decl): Only check for global variable at the end, it might
3165 be overridden in outer contexts.
3166 (scan_sharing_clauses): For global variables don't create a field.
3167 (lower_rec_input_clauses): Do nothing for global shared variables.
3168 Emit a barrier at the end of ILIST if there were any decls in both
3169 firstprivate and lastprivate clauses.
3170 (lower_send_clauses): Do nothing for global variables except for
3173 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3175 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3176 of the correct signedness is returned.
3178 2006-05-02 Jeff Law <law@redhat.com>
3180 PR tree-optimization/27364
3181 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3182 multiply expressions.
3184 2006-05-02 Tom Tromey <tromey@redhat.com>
3186 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3188 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3191 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3192 -mthumb -fPIC are used.
3194 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3195 Joshua Kinard <kumba@gentoo.org>
3198 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3199 with 64-bit pointers.
3201 2006-05-02 Paul Brook <paul@codesourcery.com>
3203 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3205 (create_fix_barrier): Check that a suitable barrier location is
3207 (arm_reorg): Include ftmp->address in allowable range of addresses.
3209 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3212 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3215 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3218 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3219 around RESULT_DECL for result passed by reference.
3220 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3221 * omp-low.c (use_pointer_for_field): Don't look at
3222 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3223 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3224 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3225 time or var for passing by reference for
3226 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3227 TREE_ADDRESSABLE variables when passing by reference.
3229 * omp-low.c (dump_omp_region): Fix output formatting.
3232 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3233 (expand_omp_parallel): Likewise.
3234 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3237 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3238 on statement list containing also constructors and destructors.
3239 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3242 * except.c (duplicate_eh_regions): Fix clearing of
3243 cfun->eh->region_array entries.
3245 2006-05-01 DJ Delorie <dj@redhat.com>
3247 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3249 (gcc_cv_objdump): Likewise.
3250 * configure: Regenerated.
3252 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3255 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3256 templates for case 3 and 4.
3258 2006-05-01 DJ Delorie <dj@redhat.com>
3260 * vec.c: Include bconfig.h when appropriate.
3261 * Makefile.in (build/vec.o): Adjust dependencies.
3262 * mkconfig.sh: Make sure config.h isn't used for build machine
3265 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3267 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3269 (mark_phi_for_rewrite): New function.
3270 (insert_phi_nodes_for, mark_use_interesting): Call
3271 mark_phi_for_rewrite.
3272 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3273 (update_ssa): Initialize and free phis_to_rewrite.
3275 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3277 PR rtl-optimization/27291
3278 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3279 folded to a constant.
3281 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3283 PR tree-optimization/27283
3284 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3285 not whole # of iteration descriptions.
3286 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3287 uses abnormal ssa name.
3288 (niter_for_single_dom_exit): Ditto.
3289 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3290 return just the number of iterations.
3292 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3294 PR tree-optimization/27144
3295 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3296 (record_estimate): Only record constant upper bound.
3297 (infer_loop_bounds_from_undefined): Call
3298 compute_estimated_nb_iterations just once.
3299 (proved_non_wrapping_p): Renamed to ...
3300 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3301 (convert_step_widening, scev_probably_wraps_p): Call
3302 n_of_executions_at_most instead of proved_non_wrapping_p.
3303 (substitute_in_loop_info): Do not replace values in bounds.
3304 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3307 2006-05-01 Richard Henderson <rth@redhat.com>
3310 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3311 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3314 2006-05-01 Roger Sayle <roger@eyesopen.com>
3316 * c-typeck.c (parser_build_binary_op): Don't call the function
3317 unsigned_conversion_warning to spot operand/result type overflow.
3318 (build_binary_op): Instead, call convert_and_check instead of
3319 convert to report the problem when the operands are promoted.
3320 * c-common.c (unsigned_conversion_warning): Make static.
3321 * c-common.h (unsigned_conversion_warning): Delete prototype.
3323 2006-05-01 Richard Guenther <rguenther@suse.de>
3325 PR tree-optimization/26726
3326 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3328 (find_interesting_uses_address): ... we work around here
3329 by folding INDIRECT_REFs in the substituted base.
3331 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3333 * omp-low.c (dump_omp_region): Add newlines.
3335 2006-04-30 Roger Sayle <roger@eyesopen.com>
3337 * common.opt (Woverflow): New command line option.
3338 * c-common.c (constant_expression_warning): Check warn_overflow.
3339 (overflow_waring): Pass OPT_Woverflow to warning.
3340 (unsigned_conversion_warning): Likewise.
3341 (convert_and_check): Likewise.
3342 * doc/invoke.texi: Document new command line option.
3344 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3346 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3347 TARGET_NO_FP_IN_TOC for section anchors.
3348 (optimization_options): Enable section anchors for all
3349 non-"Objective" languages.
3351 2006-04-28 Eric Christopher <echristo@apple.com>
3353 * config/darwin-c.c (darwin_ms_struct): Move this
3354 (darwin_set_default_type_attributes): and this...
3355 * config/darwin.c: ... here.
3356 * config/darwin.h (darwin_ms_struct): Declare.
3358 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3360 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3362 2006-04-28 Roger Sayle <roger@eyesopen.com>
3365 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3366 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3367 an unsigned HOST_WIDE_INT.
3368 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3370 (really_start_incremental_init): No need to call convert because
3371 bitsize_zero_node is already of type bitsizetype.
3372 (push_init_level): Extract the value of constructor_index as an
3373 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3374 (process_init_element): Likewise.
3376 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3378 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3379 value before passing to make_relative_prefix.
3381 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3384 * builtins.c (expand_builtin_memset): Expand val in original mode.
3386 2006-04-27 Eric Christopher <echristo@apple.com>
3388 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3389 with #ifndef/#endif.
3390 * config/darwin-c.c (darwin_ms_struct): New.
3391 (darwin_pragma_ms_struct): Ditto.
3392 (darwin_set_default_type_attributes): Ditto.
3393 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3394 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3395 Register ms_struct pragma.
3396 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3397 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3398 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3399 darwin_set_default_type_attributes if TARGET_MACHO.
3401 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3403 PR tree-optimization/26854
3404 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3405 * doc/tree-ssa.texi: Update immuse iterator documentation.
3406 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3407 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3408 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3409 first_safe_imm_use, next_safe_imm_use): Remove.
3410 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3411 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3412 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3413 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3414 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3415 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3416 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3417 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3418 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3419 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3420 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3421 (perfect_nestify): Use new iterator.
3422 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3424 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3425 (next_imm_name): New field in struct immediate_use_iterator_d.
3426 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3427 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3428 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3429 * tree-cfg.c (replace_uses_by): Use new iterator.
3430 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3431 * tree-ssa-operands.c (correct_use_link): Remove.
3432 (finalize_ssa_use_ops): No longer call correct_use_link.
3434 2006-04-27 Stuart Hastings <stuart@apple.com>
3436 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3437 * config/t-darwin (crt3.o): Use it.
3438 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3439 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3440 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3441 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3442 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3445 2006-04-27 Roger Sayle <roger@eyesopen.com>
3447 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3448 size, force the intermediate into a new pseudo rather instead of
3449 performing both a bitwise AND and a bitwise IOR in memory.
3451 2006-04-27 Richard Guenther <rguenther@suse.de>
3453 PR rtl-optimization/26685
3454 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3455 this one "max-flow-memory-locations".
3457 2006-04-27 Richard Guenther <rguenther@suse.de>
3459 PR tree-optimization/25148
3460 * tree-vrp.c (compare_values): Remove code dealing with
3461 comparisons against type min/max value. Honour overflow
3462 and negative constants in code dealing with comparisons
3463 of plus and minus expressions.
3464 (value_inside_range): Use fold_binary with LE_EXPR and
3465 GE_EXPR rather than compare_values.
3467 2006-04-27 Dirk Mueller <dmueller@suse.de>
3469 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3472 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3474 * basic-block.h (safe_insert_insn_on_edge): Removed.
3475 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3477 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3478 Paolo Bonzini <bonzini@gnu.org>
3481 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3482 (simplify_and_const_int): Same.
3484 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3486 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3488 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3491 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3492 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3493 cgraph_global_info_ready.
3496 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3499 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3500 either decl or init is error_mark_node.
3503 * tree-flow.h (struct omp_region): Add sched_kind.
3504 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3505 instead of extracting omp for data.
3506 (expand_omp_for): Save extracted sched_kind.
3508 2006-04-25 Roger Sayle <roger@eyesopen.com>
3510 * expmed.c (store_bit_field): Also check whether the bitsize is
3511 valid for the machine's "insv" instruction before moving the
3512 target into a pseudo for use with the insv.
3513 * config/i386/predicates.md (const8_operand): New predicate.
3514 * config/i386/i386.md (extv, extzv, insv): Use the new
3515 const8_operand predicate where appropriate.
3517 2006-04-25 DJ Delorie <dj@redhat.com>
3519 * doc/install.texi (Specific): Clarify that this is not a list of
3520 supported hosts or targets.
3522 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3524 PR rtl-optimization/26725
3525 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3526 block's BB_DIRTY flag.
3528 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3530 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3533 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3534 to print an integer.
3536 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3538 * varasm.c (align_variable): New function.
3539 (get_block_for_decl): Apply align_variable to DECL before
3540 calculating section information.
3541 (assemble_variable): Split out alignment computation.
3543 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3545 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3548 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3550 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3551 MODE_PARTIAL_INT mode.
3552 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3553 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3555 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3556 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3558 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3560 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3562 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3563 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3564 MACFLAG_IH): Likewise.
3565 (movstricthi_1): Renamed from "*movstricthi".
3566 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3567 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3568 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3569 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3570 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3571 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3572 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3573 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3574 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3575 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3576 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3577 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3578 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3579 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3580 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3582 * doc/rtl.texi (ss_ashift): Improve wording.
3584 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3586 * dwarf2out.c (verify_marks_clear): New.
3587 (prune_unused_types): Call verify_marks_clear initially, not
3590 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3592 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3593 * doc/rtl.texi: Document them.
3594 * simplify-rtx.c (simplify_unary_operation,
3595 simplify_binary_operation_1): Don't abort when we see them.
3597 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3600 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3601 * configure.ac: Completely disregard languages that are not
3603 * configure: Regenerated.
3605 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3606 Richard Guenther <rguenther@suse.de>
3608 PR tree-optimization/27236
3609 * tree-inline.c (copy_body_r): Make sure to copy
3610 TREE_THIS_VOLATILE flag.
3612 2006-04-24 Richard Guenther <rguenther@suse.de>
3615 * tree-complex.c (update_parameter_components): Don't handle
3616 unused parameters which have no default def.
3618 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3619 Richard Guenther <rguenther@suse.de>
3621 PR tree-optimization/27218
3622 * tree-inline.c (expand_call_inline): Strip useless type
3623 conversions for the return slot address.
3625 2006-04-24 Richard Guenther <rguenther@suse.de>
3627 * cfgloop.h (struct loops): Remove unused field array. Reorder
3629 (LOOP_PREFETCH): Remove.
3631 2006-04-24 Richard Guenther <rguenther@suse.de>
3633 PR tree-optimization/22525
3634 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3635 variable, adjust types of generated expressions.
3637 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3639 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3640 (tree-vect-patterns.o): Likewise.
3642 (cselib.o): Likewise.
3643 (loop-doloop.o): Likewise.
3644 (regclass.o): Likewise.
3645 (reload1.o): Likewise.
3646 (explow.o): Replace target.h with $(TARGET_H).
3647 (ipa-prop.o): Likewise.
3648 (ipa-cp.o): Likewise.
3649 (ipa-inline.o): Likewise.
3650 (reorg.o): Likewise.
3651 (reg-stack.o): Likewise.
3653 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3655 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3657 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3659 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3661 * configure.ac: Completely disregard languages that are not
3663 * configure: Regenerated.
3666 * c-common.h (c_build_bitfield_integer_type): Declare.
3667 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3668 * c-common.c (c_build_bitfield_integer_type): ... here.
3670 2006-04-23 Roger Sayle <roger@eyesopen.com>
3673 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3674 a SImode SUBREG of a floating point register after no_new_pseudos.
3676 2006-04-23 Roger Sayle <roger@eyesopen.com>
3678 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3679 identify potentially eliminable registers to additionally catch
3680 VIRTUAL_INCOMING_ARGS_REGNUM.
3681 (addsi3): Update the conditions on when to use addsi_small_int.
3683 2006-04-23 Roger Sayle <roger@eyesopen.com>
3686 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3687 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3688 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3690 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3692 * fold-const.c (range_predecessor): Use operand_equal_p
3693 as the predicate for equality.
3694 (range_successor): Likewise.
3696 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3699 * config/soft-fp/op-common.h: Fix a typo.
3701 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3704 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3705 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3707 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3709 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3711 * doc/tm.texi: Fix a typo.
3713 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3715 * dwarf2out.c (struct die_struct): Document that die_sib makes
3716 a circular linked list.
3717 (FOR_EACH_CHILD): New.
3718 (reverse_die_lists): Delete.
3719 (reverse_all_dies): Delete.
3720 (add_dwarf_attr): Correct documentation.
3721 (remove_child_with_prev): New.
3722 (remove_child_TAG): Update for change to die_struct, use
3723 remove_child_with_prev.
3724 (add_child_die): Update for change to die_struct.
3725 (splice_child_die): Use remove_child_with_prev and add_child_die.
3726 (print_die): Use FOR_EACH_CHILD.
3727 (die_checksum): Likewise.
3728 (assign_symbol_names): Likewise.
3729 (output_location_lists): Likewise.
3730 (build_abbrev_table): Likewise.
3731 (calc_die_sizes): Likewise.
3732 (mark_dies): Likewise.
3733 (unmark_dies): Likewise.
3734 (unmark_all_dies): Likewise.
3735 (output_die): Likewise.
3736 (prune_unused_types_mark): Likewise.
3737 (prune_unused_types_walk): Likewise.
3738 (same_die_p): Update for change to die_struct.
3739 (break_out_includes): Likewise.
3740 (prune_unused_types_prune): Likewise.
3741 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3742 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3744 (dwarf2out_finish): Don't call reverse_all_dies.
3746 2006-04-21 Eric Christopher <echristo@apple.com>
3748 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3749 in comments and function names.
3751 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3754 * c-typeck.c (digest_init): Robustify.
3756 * c-typeck.c (pop_init_level): Simplify.
3758 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3760 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3762 2006-04-21 Paul Brook <paul@codesourcery.com>
3764 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3765 hardware floating point.
3767 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3769 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3772 2006-04-21 Nick Clifton <nickc@redhat.com>
3774 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3777 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3780 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3781 C++ lang type in traceback table for Objective-C++.
3783 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3785 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3787 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3789 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3792 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3793 were errors. Remove check for erroneous objects.
3795 2006-04-20 Jeff Law <law@redhat.com>
3797 PR tree-optimization/26854
3798 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3799 checking for zero or one use.
3800 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3801 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3802 * tree-ssa-reassoc.c (negate_value): Similarly.
3803 (reassociate_bb): Similarly.
3805 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3807 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3808 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3809 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3811 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3813 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3814 fp regs if the last fp arg doesn't fit in regs.
3816 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3819 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3820 that the last insn has the REG_INC note.
3822 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3823 Nathan Sidwell <nathan@codesourcery.com>
3826 * stor-layout.c (update_alignment_for_field): Do not align
3828 (place_union_field): Place union field at the start of the union.
3829 (place_field): Move ERROR_MARK check later, and use the current
3830 allocation position to maintain monotonicity.
3832 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3834 * dominance.c: Include timevar.h.
3835 (calculate_dominance_info): Use TV_DOMINANCE.
3836 * timevar.def (TV_DOMINANCE): New timevar.
3837 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3839 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3841 PR rtl-optimization/14261
3842 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3843 move would be an INSV insn.
3844 (noce_process_if_block): Don't optimize if the destination is a
3845 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3847 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3849 * config/s390/s390.md: Add comments with the instructions emitted
3850 by an insn pattern if macros are used.
3852 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3854 PR rtl-optimization/26026
3855 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3856 is a known power of two shifted left a variable amount.
3858 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3860 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3861 to hash table twice when the debug_str section has SECTION_MERGE.
3863 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3865 * config/soft-fp: New directory. From glibc.
3866 * config/soft-fp/t-softfp: New.
3867 * config/soft-fp/README: New.
3868 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3869 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3870 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3871 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3872 * config.gcc: Use rs6000/t-fprules-fpbit or
3873 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3875 * config/rs6000/sfp-machine.h: New. Based on glibc.
3876 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3878 * config/rs6000/t-fprules: Remove fp-bit rules.
3879 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3880 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3881 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3882 (softfp_wrap_start, softfp_wrap_end): New.
3884 2006-04-18 DJ Delorie <dj@redhat.com>
3886 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3888 2006-04-18 Devang Patel <dpatel@apple.com>
3890 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3892 2006-04-18 Nick Clifton <nickc@redhat.com>
3894 * config/sh/t-symbian: Add rule to build sh-c.o
3895 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3896 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3897 (sh_symbian_encode_section_info): Likewise.
3899 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3901 * builtins.c (expand_builtin_strcmp): Cover label definition of
3902 do_libcall with HAVE_cmpstrnsi.
3904 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3906 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3908 * function.h (temp_slot_p): New.
3909 (function): Change the type of x_used_temp_slots to
3910 VEC(temp_slot_p,gc) *.
3912 2006-04-18 Nick Clifton <nickc@redhat.com>
3914 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3915 flag_strength_reduce.
3917 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3919 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3923 Partial revert of revision 112637
3924 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3925 Dale Johannesen <dalej@apple.com>
3928 * regclass.c (struct reg_pref): Update documentation.
3929 (regclass): Set prefclass to NO_REGS if memory is the best option.
3930 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3932 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3934 PR tree-optimization/26821
3935 * tree-ssa-math-opts.c (get_constant_one): New.
3936 (insert_reciprocals): Use it.
3938 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3940 * dwarf2out.c (free_AT): Delete.
3941 (remove_AT): Update string ref counts.
3942 (remove_child_TAG): Don't call free_die.
3944 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3945 or DW_TAG_GNU_EINCL.
3946 (prune_unused_types_walk_attribs): Reset string refcounts.
3947 (prune_unused_types_update_strings): New.
3948 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3949 call free_die. Do call prune_unused_types_update_strings.
3950 (prune_unused_types): Empty debug_str_hash.
3952 2006-04-17 Roger Sayle <roger@eyesopen.com>
3954 * expr.c (expand_assignment): Optimize away no-op moves where the
3955 source and destination are equal and have no side-effects.
3957 2006-04-17 Richard Guenther <rguenther@suse.de>
3960 * reload.c (push_reload): Guard calls to get_secondary_mem
3963 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3965 * alias.c (reg_base_value, old_reg_base_value): Change the
3966 type to VEC(rtx,gc) *.
3967 (REG_BASE_VALUE, find_base_value, record_set,
3968 init_alias_analysis): Use VEC instead of VARRAY.
3970 * alias.c (alias_sets): Change the type to
3971 VEC(alias_set_entry,gc) *.
3972 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3973 VEC instead of VARRAY.
3974 (last_alias_set): Remove.
3976 * cgraph.h (cgraph_edge_p): New.
3977 Update the prototype of cgraph_function_versioning.
3978 * cgraphunit.c (cgraph_copy_node_for_versioning,
3979 cgraph_function_versioning): Use VEC instead of VARRAY.
3980 * ipa-cp.c (ipcp_insert_stage): Likewise.
3982 2006-04-16 Roger Sayle <roger@eyesopen.com>
3985 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3986 "A op B" or "A op C", we may need to convert A to the type of B and C.
3988 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3990 * target.h (struct gcc_target): Add mode_rep_extended.
3991 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3992 (init_num_sign_bit_copies_in_rep): Initialize it using
3994 (truncate_to_mode): Use it.
3995 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3996 * targhooks.h (default_mode_rep_extended): Declare it.
3997 * targhooks.c (default_mode_rep_extended): Define it.
3998 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3999 default_mode_rep_extended.
4000 (TARGET_INITIALIZER): Include it.
4001 * doc/tm.texi (Misc): Document it.
4002 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4003 (mips_truncated_to_mode): New function.
4005 2006-04-16 Roger Sayle <roger@eyesopen.com>
4008 * expr.c (compress_float_constant): Copy the narrow constant into
4009 a new pseudo before extending it to its final width.
4011 2006-04-16 Roger Sayle <roger@eyesopen.com>
4012 Andrew Pinski <pinskia@gcc.gnu.org>
4013 Dale Johannesen <dalej@apple.com>
4016 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4017 special case code to implement V8HImode and V16QImode with SSE2.
4019 2006-04-15 Roger Sayle <roger@eyesopen.com>
4021 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4022 trees are constructed with a suitable tree type.
4024 2006-04-15 Roger Sayle <roger@eyesopen.com>
4026 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4027 (integer_onep): Likewise.
4028 (integer_all_onesp): Likewise.
4029 (integer_pow2p): Likewise.
4030 (integer_nonzerop): Likewise.
4031 (real_zerop): Likewise.
4032 (real_onep): Likewise.
4033 (real_twop): Likewise.
4034 (real_minus_onep): Likewise.
4035 (int_size_in_bytes): Likewise.
4036 (host_integerp): Likewise.
4038 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4040 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4041 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4042 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4044 * tree-ssa-structalias.h (alias_info): Remove num_references.
4046 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4048 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4049 (output_bvb patterns): Likewise.
4050 * pa.c (output_bb): Use 'bb' insn for long branch case.
4051 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4052 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4053 1. Correct length operand for alternatives 1 and 2.
4054 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4055 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4057 2006-04-14 Roger Sayle <roger@eyesopen.com>
4059 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4060 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4061 were accidentally reverted by r112959.
4063 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4066 * except.h (eh_region_outermost): New prototype.
4067 * except.c (eh_region_outermost): New function.
4068 * tree-cfg.c (find_outermost_region_in_block): Use it.
4070 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4072 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4074 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4075 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4076 (init_reload, reload): Use VEC instead of VARRAY.
4077 * reload.h: Update the prototype for
4078 reg_equiv_memory_loc_varray.
4080 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4081 Eric Botcazou <ebotcazou@libertysurf.fr>
4083 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4086 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4089 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4090 to expand fallback builtin function call.
4092 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4095 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4096 and emit libcall here in case the builtin fails.
4097 (expand_builtin_strcmp): Always emit the libcall here on failure.
4099 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4101 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4102 * flow.c (reg_n_info): Change the type to
4103 VEC(reg_info_p,heap) *.
4104 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4106 * regs.h (reg_info_p): New.
4107 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4108 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4109 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4112 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4114 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4116 * params.h (MAX_SCHED_READY_INSNS): New macro.
4117 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4118 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4119 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4120 the ready list for 1 cycle during the first scheduling pass.
4121 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4123 2006-04-13 Richard Henderson <rth@redhat.com>
4126 * gimple-low.c (lower_omp_directive): Remove dead code.
4127 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4128 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4129 * omp-low.c (struct omp_region): Move to tree-flow.h.
4130 (root_omp_region): Export.
4131 (omp_regions, lookup_omp_region): Remove.
4132 (determine_parallel_type): Update for struct omp_region changes.
4133 (dump_omp_region): Dump regions with block numbers.
4134 (new_omp_region): Take type and block instead of stmt; malloc
4136 (free_omp_region_1, free_omp_regions): New.
4137 (expand_parallel_call): Take entry_stmt as argument; update for
4138 changes to omp_region.
4139 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4140 (remove_exit_barriers): New.
4141 (expand_omp_parallel): Update for struct omp_region changes.
4142 (expand_omp_synch): Likewise.
4143 (expand_omp): Likewise.
4144 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4145 (expand_omp_for_static_chunk): Likewise.
4146 (expand_omp_for): Likewise.
4147 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4148 (expand_omp_sections): Similarly, with GOMP_sections_end.
4149 (expand_omp_single): New.
4150 (build_omp_regions_1): Update for OMP_CONTINUE.
4151 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4152 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4153 OMP_SECTIONS_SECTIONS.
4154 (lower_omp_single_simple): Don't emit barrier here.
4155 (lower_omp_single_copy): Likewise.
4156 (lower_omp_single): Fix bindings, and lower to straightline now.
4157 (lower_omp_master, lower_omp_ordered): Likewise.
4158 (lower_omp_critical): Likewise.
4159 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4160 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4161 omp edges, free it afterward.
4162 (make_omp_sections_edges): Remove.
4163 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4164 (move_stmt_r): Handle OMP_CONTINUE.
4165 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4166 statement pointers to basic blocks. Add type member.
4167 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4168 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4169 * tree-inline.c (estimate_num_insns_1): Likewise.
4170 * tree-pretty-print.c (dump_generic_node): Likewise.
4171 * tree-ssa-operands.c (get_expr_operands): Likewise.
4172 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4173 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4174 (OMP_CONTINUE): New.
4175 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4176 (OMP_SECTIONS_SECTIONS): Remove.
4177 (OMP_SECTION_LAST): New.
4178 (OMP_RETURN_NOWAIT): New.
4180 2006-04-13 Roger Sayle <roger@eyesopen.com>
4182 * fold-const.c (native_encode_vector, native_interpret_real):
4183 Correct obvious mistakes in the previous check-in.
4185 2006-04-13 Roger Sayle <roger@eyesopen.com>
4187 * fold-const.c (native_encode_expr): New function to encode
4188 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4189 or VECTOR_CST into a specified buffer.
4190 (native_encode_int): New function.
4191 (native_encode_real): New function.
4192 (native_encode_complex): New function.
4193 (native_encode_vector): New function.
4194 (native_interpret_expr): Inverse of native_encode_expr to convert
4195 a target representation into an INTEGER_CST, REAL_CST etc...
4196 (native_interpret_int): New function.
4197 (native_interpret_real): New function.
4198 (native_interpret_complex): New function.
4199 (native_interpret_vector): New function.
4200 (fold_view_convert_expr): New function to constant fold/evaluate
4201 a VIEW_CONVERT_EXPR of a suitable constant expression.
4202 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4203 Change call of build1 to fold_build1 when constructing a
4206 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4207 Ulrich Weigand <uweigand@de.ibm.com>
4210 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4213 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4216 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4217 optimize to lo_sum for DFmode if !TARGET_FPRS.
4219 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4221 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4222 delete_alias_info, compute_flow_sensitive_aliasing,
4223 group_aliases): Use VEC instead of VARRAY.
4224 * tree-ssa-structalias.c (update_alias_info): Likewise.
4225 * tree-ssa-structalias.h (alias_info): Change the type of
4226 processed_ptrs to VEC(tree,heap) *.
4228 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4231 * config/sh/lib1funcs.h: New file, broken out of:
4232 * config/sh/lib1funcs.asm.
4233 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4235 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4236 * config/sh/lib1funcs-Os-4-200.asm: New file.
4237 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4238 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4239 (EXTRA_MULTILIB_PARTS): Include it.
4240 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4241 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4242 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4243 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4246 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4248 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4249 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4250 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4252 * tree-ssa-live.h: Include vecprim.h.
4253 (tree_partition_associator_d): Change the type of
4254 first_partition to VEC(int,heap) *.
4255 (tpa_first_partition): Use VEC instead of VARRAY.
4257 * Makefile.in (GTFILES): Move functions.h after tree.h.
4258 * function.c (reset_block_changes, record_block_change,
4259 check_block_change, free_block_changes): Use VEC instead of
4261 * function.h (function): Change the type of
4262 ib_boundaries_block to VEC(tree,gc) *.
4263 * tree-inline.c (copy_cfg_body): Initialize
4264 ib_boundaries_block to NULL instead of (varray_type) 0.
4266 2006-04-12 Roger Sayle <roger@eyesopen.com>
4268 * expr.c (emit_group_store): Correct operand order in call to
4269 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4270 a SUBREG_BYTE of zero.
4272 2006-04-12 Richard Guenther <rguenther@suse.de>
4274 * profile.c (compute_branch_probabilities): Remove code
4275 encapsulated in !ir_type (), which are remanents of the
4276 removed RTL profiling code.
4277 * rtl-profile.c: Remove.
4279 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4281 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4282 magic NULL_RTX comment.
4283 (function_arg): Store entire fp arg to mem if any part should go
4285 (rs6000_arg_partial_bytes): Adjust for above change.
4287 2006-04-11 Roger Sayle <roger@eyesopen.com>
4289 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4290 if it hasn't been initialized by dwarf2out_init.
4292 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4294 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4295 symbolic constants in branch patterns.
4297 2006-04-11 Roger Sayle <roger@eyesopen.com>
4299 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4301 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4303 PR rtl-optimization/27073
4304 * gcse.c (try_replace_reg): Revert last change. Continue to search
4305 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4308 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4310 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4311 aggregate types other than record and union types.
4312 (function_arg): Likewise.
4313 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4315 (function_value): In 64-bit mode, return objects that require it
4318 2006-04-11 Roger Sayle <roger@eyesopen.com>
4320 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4322 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4324 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4326 2006-04-03 Jeff Law <law@redhat.com>
4329 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4330 alias information too.
4332 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4334 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4336 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4339 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4340 (premark_used_types_helper): New.
4341 (premark_used_types): New.
4342 (gen_subprogram_die): Call premark_used_types.
4343 (prune_unused_types_walk): Do not prune perennial dies.
4344 * function.c (used_types_insert): New.
4345 * function.h (struct function): Add used_types_hash field.
4346 (used_types_insert): Add prototype.
4347 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4348 * c-parser.c (c_parser_cast_expression): Save casted types in used
4351 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4354 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4355 rs6000_explicit_options.float_gprs.
4357 2006-04-10 Roger Sayle <roger@eyesopen.com>
4359 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4360 from ix86_expand_vector_init_low_nonzero. Take an additional
4361 one_var argument indicating which element is non-zero. Support
4362 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4363 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4364 with one_var instead of ix86_expand_vector_init_low_nonzero.
4366 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4368 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4369 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4370 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4371 build/genextract.o): Depend on vecprim.h.
4372 * cfglayout.c, df-problems.c, function.c, genextract.c,
4373 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4374 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4378 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4380 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4381 Declare VECs of this type.
4382 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4383 (remove_children): Delete.
4384 (add_dwarf_attr): Use VEC routines.
4385 (add_AT_flag): Update for changes to add_dwarf_attr.
4386 (add_AT_int): Likewise.
4387 (add_AT_unsigned): Likewise.
4388 (add_AT_long_long): Likewise.
4389 (add_AT_vec): Likewise.
4390 (add_AT_string): Likewise.
4391 (add_AT_die_ref): Likewise.
4392 (add_AT_fde_ref): Likewise.
4393 (add_AT_loc): Likewise.
4394 (add_AT_loc_list): Likewise.
4395 (add_AT_addr): Likewise.
4396 (add_AT_lbl_id): Likewise.
4397 (add_AT_lineptr): Likewise.
4398 (add_AT_macptr): Likewise.
4399 (add_AT_offset): Likewise.
4400 (add_AT_range_list): Likewise.
4401 (get_AT): Use VEC_iterate.
4402 (remove_AT): Use VEC_ordered_remove.
4403 (free_die): Fold remove_children into here; have it use VEC_iterate.
4404 (print_die): Use VEC_iterate on attrs.
4405 (reverse_die_lists): Don't reverse attr lists.
4406 (die_checksum): Use VEC_iterate on attrs.
4407 (same_die_p): Likewise.
4408 (output_location_lists): Likewise.
4409 (build_abbrev_table): Likewise.
4410 (size_of_die): Likewise.
4411 (unmark_all_dies): Likewise.
4412 (output_abbrev_section): Likewise.
4413 (output_die): Likewise.
4414 (prune_unused_types_walk_attribs): Likewise.
4416 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4418 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4420 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4423 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4425 2006-04-09 Roger Sayle <roger@eyesopen.com>
4427 * expr.c (store_constructor): Don't bother clearing target if
4428 we're about to assign a vector to it using vec_init_optab.
4430 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4432 * tree-ssa-alias.c (lhs_may_store_to): New function.
4433 (recalculate_used_alone): Handle LHS of calls.
4435 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4439 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4440 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4441 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4442 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4443 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4444 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4445 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4446 stubs. Add ".align 8" directives before all ".dword" directives.
4447 (GTHREAD_USE_WEAK): Revise comment.
4448 (TARGET_ATTRIBUTE_WEAK): Define.
4449 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4450 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4451 * stublib.c: New file.
4456 * pa.md (cbranch patterns): Revise arguments used in calls to
4457 output_cbranch, output_bb and output_bvd. Add long branch length
4459 (fbranch patterns): Handle long branches.
4460 (jump): Revise length check. Revise arguments for output_lbranch call.
4461 Add long branch length attributes.
4462 (decrement_and_branch_until_zero): Add long branch length attributes.
4463 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4464 Likewise. Revise arguments for output_parallel_addb and
4465 output_parallel_movb calls.
4466 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4467 output_parallel_movb and output_parallel_addb): Update prototypes.
4468 * pa.c (output_cbranch): Revise arguments. Correct handling of
4469 nullification in long branches.
4470 (output_lbranch): Add new argument to control extraction of delay
4472 (output_bb): Handle long branches.
4473 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4474 output_parallel_addb): Likewise.
4476 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4478 PR rtl-optimization/27073
4479 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4482 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4484 * tree.h (tree_memory_tag): Add old_used_alone.
4485 (SMT_OLD_USED_ALONE): New macro.
4486 * tree-ssa-alias.c (recalculate_used_alone): Stop
4487 marking things for renaming unnecessarily.
4489 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4491 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4492 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4493 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4494 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4495 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4496 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4497 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4498 spelling convensions.
4499 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4500 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4501 typos. Follow spelling conventions.
4503 2006-04-07 DJ Delorie <dj@redhat.com>
4505 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4506 passed on the stack.
4507 (m32c_init_cumulative_args): When a function returns a structure,
4508 always pass the pointer to that return area on the stack.
4509 (m32c_function_arg_advance): Don't increment the parameter number
4510 if we're processing the returned structure pointer.
4511 (pushm_info): Reverse order of registers.
4513 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4515 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4516 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4517 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4518 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4520 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4521 chrec_fold_multiply): Same.
4522 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4523 force_expr_to_var_cost): Same.
4524 * tree-mudflap.c (mf_xform_derefs_1): Same.
4525 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4527 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4529 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4530 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4533 2006-04-07 Jan Hubicka <jh@suse.cz>
4535 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4537 2006-04-07 Richard Guenther <rguenther@suse.de>
4539 PR tree-optimization/26135
4540 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4541 loads for store copy-prop.
4542 (copy_prop_visit_stmt): Likewise.
4544 2006-04-05 Robert Millan <robertmh@gnu.org>
4546 * config/i386/linux.h: Add a comment to mark macros that are
4547 being overriden in config/k*bsd-gnu.h.
4548 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4550 * config/knetbsd-gnu.h: Ditto.
4552 2006-04-06 Jan Hubicka <jh@suse.cz>
4556 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4559 2006-04-06 Mike Stump <mrs@apple.com>
4561 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4562 for HAVE_nonlocal_goto to be consistent.
4563 (expand_builtin_nonlocal_goto): Likewise.
4564 (expand_builtin_strcmp): Use #ifdef instead of #if
4565 for HAVE_cmpstrnsi to be consistent.
4567 2006-04-05 DJ Delorie <dj@redhat.com>
4569 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4572 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4574 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4575 got-relative addressing for anything but SImode.
4577 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4578 even if the calling function doesn't modify them.
4580 2006-04-05 Richard Guenther <rguenther@suse.de>
4582 PR tree-optimization/26919
4583 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4584 to cgraph_estimate_size_after_inlining.
4586 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4588 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4590 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4592 PR tree-optimization/26996
4593 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4594 VECTOR_TYPE variables.
4596 2006-04-05 Richard Guenther <rguenther@suse.de>
4598 PR tree-optimization/26763
4599 * fold-const.c (fold_comparison): Move folding of
4600 PTR + CST CMP PTR + CST ...
4601 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4603 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4605 * doc/install.texi (Prerequisites): Refine some wording on
4606 bootstrapping and ksh.
4607 Move the version numbers of DejaGnu here from the testing section
4608 and fix casing of names.
4609 Fix markup and clarify wording for autogen requirements.
4610 Refer to GCJ instead of just java.
4611 Refer to SVN instead of CVS.
4612 Describe diffutils as useful instead of necessary.
4613 (Downloading the source): Refer to SVN instead of CVS.
4614 Adjust a link to our web site accordingly.
4615 (Configuration): Fix casing of Bison.
4616 (Building): Refer to SVN instead of CVS.
4617 Fix a sentence on the use of Bison and remove duplicate (and
4618 incorrect) version number of Bison requirement.
4619 Remove one redundant list of packages needed for building.
4620 (Specific): Avoid reference to CVS.
4622 2006-04-04 Eric Christopher <echristo@apple.com>
4624 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4625 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4626 (rs6000_handle_struct_attribute): New.
4627 (rs6000_ms_bitfield_layout_p): Ditto.
4629 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4631 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4632 NULL for dso parameter to atexit_common.
4634 2006-04-04 Eric Christopher <echristo@apple.com>
4636 * config/i386/i386.c (machopic_output_stub): Output \t
4637 between instructions and operands.
4639 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4641 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4642 satisfies_constraint_[IL] to explicit tests on value.
4644 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4646 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4647 set_nb_iterations_in_loop): Use build_int_cst instead of
4649 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4650 build_int_cst instead of convert.
4652 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4654 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4655 new value 2 for incoming.
4656 * function.c (expand_function_start): Call struct_value_rtx
4658 * config/sparc/sparc.md: Comment updated_return.
4659 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4660 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4661 struct return if sparc_std_struct_return and incoming is 2.
4662 (print_operand): Do not adjust return if
4663 sparc_std_struct_return.
4665 2006-04-04 Roger Sayle <roger@eyesopen.com>
4667 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4668 convert in the middle-end.
4669 * expr.c (store_expr, store_constructor, get_inner_reference,
4670 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4672 * tree.c (build_range_type): Likewise.
4674 2006-04-04 Tom Tromey <tromey@redhat.com>
4676 * doc/install.texi (Prerequisites): Mention jar.
4678 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4680 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4683 2006-04-04 Matthias Klose <doko@debian.org>
4685 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4686 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4689 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4691 * doc/extend.texi (Function Attributes): Rewrite visibility
4692 attribute documentation.
4693 * doc/invoke.texi (C++ Dialect Options): Rewrite
4694 -fvisibility-inlines-hidden documentation to describe something
4695 entirely different, although in practise compatible.
4696 (Code Gen Options): Warn about system headers in -fvisibility=
4699 * doc/extend.texi (Other Builtins): Document that
4700 __builtin_nan is a compile-time constant only when its argument
4703 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4705 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4706 trying to remove TRUNCATE check if all bits outside the new mode
4707 are identical to the sign bit.
4709 2006-04-03 Jeff Law <law@redhat.com>
4711 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4712 and operand scanning in some common cases.
4714 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4715 Dale Johannesen <dalej@apple.com>
4718 * regclass.c (struct reg_pref): Update documentation.
4719 (regclass): Set prefclass to NO_REGS if memory is the best option.
4720 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4721 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4722 into account. For non-registers, equate an empty preferred
4723 reload class to a `!' in the constraint; move the if clause to
4724 do so after those that reject the insn.
4725 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4727 (find_dummy_reload): Likewise.
4728 * doc/tm.texi (Register Classes): Document what it means
4729 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4730 * config/i386/i386.c (ix86_preferred_reload_class): Force
4731 using SSE registers (and return NO_REGS for floating-point
4732 constants) if math is done with SSE.
4733 (ix86_preferred_output_reload_class): New.
4734 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4735 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4736 * config/i386/i386.md: Remove # register preferences.
4738 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4741 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4742 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4743 the type of nb_iter.
4744 (instantiate_parameters_1): Convert the operands before calling
4745 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4746 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4748 2006-04-02 Roger Sayle <roger@eyesopen.com>
4750 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4751 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4753 * dojump.c (do_jump): Likewise.
4754 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4755 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4756 gimplify_boolean_expr): Likewise.
4757 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4758 * varasm.c (array_size_for_constructor): Likewise.
4759 * tree-object-size.c (compute_object_offset): Likewise.
4761 2006-04-02 Roger Sayle <roger@eyesopen.com>
4764 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4765 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4767 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4769 PR tree-optimization/26939
4770 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4772 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4774 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4775 at_stmt. Convert the type of operands before calling
4776 build_polynomial_chrec.
4777 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4779 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4780 (instantiate_parameters_1): Convert the type of operands before calling
4781 build_polynomial_chrec.
4782 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4783 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4784 reset_evolution_in_loop): Insert asserts to check the types of the
4786 (chrec_type): Moved...
4787 (eq_evolutions_p): Use operand_equal_p.
4788 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4789 the types of the operands.
4790 (chrec_type): ...here.
4791 * tree-data-ref.c (create_data_ref): Convert the operands before
4792 calling chrec_replace_initial_condition.
4793 (same_access_functions, analyze_subscript_affine_affine,
4794 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4795 (compute_subscript_distance, analyze_ziv_subscript,
4796 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4797 analyze_miv_subscript): Convert the operands before calling
4798 chrec_fold_minus or chrec_fold_plus.
4800 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4802 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4803 the dependence_relations vector.
4804 (compute_data_dependences_for_loop): Adjust call to
4805 compute_all_dependences.
4807 2006-04-01 Roger Sayle <roger@eyesopen.com>
4808 Richard Henderson <rth@redhat.com>
4810 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4811 gimple_boolify on the condition before calling gimplify_expr.
4813 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4815 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4816 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4817 the frame size. Update to use the new macros.
4818 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4819 * config/xtensa/ieee754-df.S: Likewise.
4821 2006-03-31 Richard Henderson <rth@redhat.com>
4823 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4824 (make_edges): ... here. Control fallthru creation with a local
4825 variable. Do not play with fake edges.
4826 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4827 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4830 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4832 * dwarf2.h (DW64_CIE_ID): Define.
4833 * dwarf2out.c (DWARF_CIE_ID): Define.
4834 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4835 length header. Use DWARF_CIE_ID.
4836 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4837 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4839 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4841 * config/sh/linux-atomic.asm: New file.
4842 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4844 2006-03-31 DJ Delorie <dj@redhat.com>
4846 * config/m32c/cond.md: Set condition flags properly throughout.
4847 * config/m32c/minmax.md: Likewise.
4848 * config/m32c/prologue.md: Likewise.
4849 * config/m32c/bitops.md: Likewise.
4850 * config/m32c/muldiv.md: Likewise.
4851 * config/m32c/mov.md: Likewise.
4852 * config/m32c/addsub.md: Likewise.
4853 * config/m32c/m32c.md: Likewise.
4854 * config/m32c/jump.md: Likewise.
4855 * config/m32c/shift.md: Likewise.
4857 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4858 conditionally output the pattern for this.
4859 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4860 (m32c_compare_redundant): New.
4861 (m32c_output_compare): New.
4862 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4864 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4865 dest, not src. Allow other 4-byte modes.
4867 2006-03-30 Denis Chertykov <denisc@overta.ru>
4869 * doc/md.texi: Refer to avr/constraints.md instead of
4872 2006-03-30 Roger Sayle <roger@eyesopen.com>
4874 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4875 signed vs. unsigned comparison failures on some hosts.
4877 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4880 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4881 change to FLOAT_REGS.
4883 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4884 (rs6000_override_options): Use it.
4885 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4886 only for -mabi=spe/no-spe and -mabi=altivec.
4888 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4890 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4893 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4895 * Makefile.in: Rename docdir to gcc_docdir.
4897 2006-03-30 Roger Sayle <roger@eyesopen.com>
4900 * expr.c (emit_group_store): Optimize group stores into a pseudo
4901 register by using a paradoxical subreg to initialize the destination
4902 if the first or last member of the group specifies a "low part".
4904 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4907 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4908 * target.h (struct gcc_target.speculate_insn): Change type of the
4909 second parameter to 'int'.
4910 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4911 the second operand of the DEPS_LIST.
4912 (copy_DEPS_LIST_list): Update reference to the second operand of the
4914 * rtl.h (alloc_DEPS_LIST): Update signature.
4915 * sched-int.h (ds_t): Change typedef to 'int'.
4916 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4918 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4920 * haifa-sched.c (try_ready): Change condition to restore
4921 non-speculative pattern of the instruction.
4922 (process_insn_depend_be_in_spec): Code to keep probability of the
4923 speculative dependence non-decreasing.
4925 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4927 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4928 (single_move_for_movmem): ... this. Also change all uses.
4929 (bfin_expand_strmov): Renamed to...
4930 (bfin_expand_movmem): ... this. Also change all uses.
4931 * config/bfin/bfin.md (movstrsi): Renamed to...
4932 (movstrsi): ...this.
4934 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4936 PR tree-optimization/26830
4938 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4939 (copy_prop_visit_stmt): Remove write-only variable ann.
4940 (init_copy_prop): Check variable loop depth here. Do not simulate
4941 memory-tag and virtual operand PHIs except for store copy prop.
4943 2006-03-30 Richard Guenther <rguenther@suse.de>
4945 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4946 variants with double arguments.
4948 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4950 * genpreds.c (write_tm_constrs_h): Delete variable p.
4951 * genconditions.c (write_header): Add tm-constrs.h to included
4953 * genpeep.c (main): Add toplev.h to included headers.
4954 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4955 (build/genpeep.o): Add toplev.h dependency.
4956 * config/rs6000/constraints.md: Add "W" constraint.
4958 2006-03-29 Roger Sayle <roger@eyesopen.com>
4960 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4961 sizes by correctly testing whether the size fits a host integer.
4962 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4963 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4964 SImode range for the default sizetype and bitsizetype.
4966 2006-03-29 Roger Sayle <roger@eyesopen.com>
4968 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4969 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4970 quickly if the argument is already of the correct type.
4971 Call fold_build1 instead of build1. Tidy up blank lines.
4973 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4975 * genemit.c (main): Add tm-constrs.h to included headers.
4976 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4977 * genpeep.c (main): Add tm-constrs.h to included headers.
4978 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4979 (write_tm_constrs_h): this and write complete file.
4980 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4981 (write_insn_preds_c): Add tm-constrs.h to included headers.
4982 (gen_constrs): New variable.
4983 (parse_option): Parse "-c".
4984 (main): Invoke write_tm_constrs_h.
4985 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4986 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4987 (object_out_file): Add tm-constrs.h dependency.
4988 (insn-emit.o): Same.
4989 (insn-output.o): Same.
4990 (insn-peep.o): Same.
4991 (insn-preds.o): Same.
4992 (insn-recog.o): Same.
4993 (tm-constsr.h): New target.
4994 (s-constrs-h): New target.
4996 * config/rs6000/constraints.md: New file.
4997 * config/rs6000/rs6000.c: Include tm-constrs.h.
4998 (num_insn_constant_wide): Convert to satisfies_constraint.
4999 (rs6000_rtx_costs): Convert to satisfies_constraint.
5000 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5001 (CONST_OK_FOR_LETTER_P): Delete.
5002 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5003 (EXTRA_CONSTRAINT): Delete.
5004 (EXTRA_MEMORY_CONSTRAINT): Delete.
5005 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5006 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5007 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5008 satisfies_constraint.
5010 * config/i386/i386.c: Include tm-constrs.h.
5012 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5014 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5015 * tree-data-ref.c (find_data_references_in_loop,
5016 compute_data_dependences_for_loop): Use pointers to VEC.
5017 (analyze_all_data_dependences): Adjust calls.
5018 * tree-data-ref.h (find_data_references_in_loop,
5019 compute_data_dependences_for_loop): Adjust declarations.
5020 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5021 compute_data_dependences_for_loop.
5023 2006-03-29 Paul Brook <paul@codesourcery.com>
5025 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5028 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5030 PR tree-optimization/26859
5031 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5033 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5034 for the step after fold_convert.
5036 2006-03-29 Paul Brook <paul@codesourcery.com>
5038 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5039 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5041 2006-03-29 Paul Brook <paul@codesourcery.com>
5044 * targhooks.c (default_narrow_bitfield): New fuction.
5045 * targhooks.h (default_narrow_bitfield): add prototype.
5046 * target.h (gcc_target): Add narrow_volatile_bitfield.
5047 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5048 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5049 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5050 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5052 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5054 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5056 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5057 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5058 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5059 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5060 (s390_function_arg_float): Allow SDmode and DDmode values to be
5061 passed in floating point registers.
5062 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5063 check with SCALAR_FLOAT_MODE_P.
5064 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5066 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5068 PR tree-optimization/25985
5069 * tree-ssa-loop-niter.c (number_of_iterations_le,
5070 number_of_iterations_ne): Make comments more precise.
5071 (number_of_iterations_cond): Add only_exit argument. Use the
5072 fact that signed variables do not overflow only when only_exit
5074 (loop_only_exit_p): New.
5075 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5076 number_of_iterations_cond.
5078 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5080 PR tree-optimization/26643
5081 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5084 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5086 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5087 (divsi3_i4_int): Likewise.
5089 2006-03-28 Roger Sayle <roger@eyesopen.com>
5091 * expr.c (emit_group_store): Only create a new pseudo reg if the
5092 quantity it needs to hold isn't already a suitable pseudo.
5094 2006-03-28 Jeff Law <law@redhat.com>
5096 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5097 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5099 2006-03-28 Roger Sayle <roger@eyesopen.com>
5101 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5102 the equivalent ~X & Y, and the symmetry related transformations.
5103 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5104 ~X & Y, and symmetry related transforms.
5106 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5108 Revert my 2006-03-27 patches.
5110 2006-03-28 Roger Sayle <roger@eyesopen.com>
5112 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5113 ~(T1)X, when T1 and T2 are integer types of the same precision
5114 and (T2)X isn't an extension.
5116 2006-03-28 Jeff Law <law@redhat.com>
5118 PR tree-optimization/26796
5119 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5120 need EH edge cleanups rather than purging them immediately.
5121 (eliminate_degenerate_phis): Handle queued EH cleanups.
5123 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5125 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5128 2006-03-27 Roger Sayle <roger@eyesopen.com>
5131 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5132 cast BIT_NOT_EXPR operand to the correct type.
5134 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5136 * tree-loop-linear.c: Don't include varray.h.
5137 (gather_interchange_stats, try_interchange_loops,
5138 linear_transform_loops): Use VEC instead of VARRAY.
5139 * lambda-mat.c: Don't include varray.h.
5140 * tree-chrec.c: Same.
5141 * lambda-trans.c: Same.
5142 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5143 VEC instead of VARRAY.
5144 * tree-vectorizer.h: Idem.
5145 * tree-data-ref.c (dump_data_references,
5146 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5147 initialize_data_dependence_relation, finalize_ddr_dependent,
5148 compute_all_dependences, find_data_references_in_loop,
5149 compute_data_dependences_for_loop, analyze_all_data_dependences,
5150 free_dependence_relation, free_dependence_relations,
5151 free_data_refs): Idem.
5152 * tree-data-ref.h (data_reference_p, subscript_p): New.
5153 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5154 VEC instead of VARRAY.
5155 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5156 (find_data_references_in_loop, compute_data_dependences_for_loop,
5157 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5158 dump_data_dependence_relations, free_dependence_relations,
5159 free_data_refs): Adjust declaration.
5160 (lambda_transform_legal_p): Move declaration here...
5161 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5162 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5163 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5164 vect_analyze_data_refs): Use VEC instead of VARRAY.
5165 * lambda.h (lambda_transform_legal_p): ...from here.
5166 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5167 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5168 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5169 tree-chrec.o): Don't depend on VARRAY_H.
5171 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5173 * rtl.def (Copyright): Update date.
5174 (DEPS_LIST): Change type of the second operand to 'int'.
5175 * target.h (Copyright): Update date.
5176 (struct gcc_target.speculate_insn): Change type of the second parameter
5178 * lists.c (Copyright): Update date.
5179 (alloc_DEPS_LIST): Change signature. Update reference to the second
5180 operand of the DEPS_LIST.
5181 (copy_DEPS_LIST_list): Update reference to the second operand of the
5183 * rtl.h (Copyright): Update date.
5184 (alloc_DEPS_LIST): Update signature.
5185 * sched-int.h (Copyright): Update date.
5186 (ds_t): Change typedef to 'int'.
5187 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5189 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5191 * haifa-sched.c (Copyright): Update date.
5192 (try_ready): Change condition to restore non-speculative pattern
5194 (process_insn_depend_be_in_spec): Code to keep probability of the
5195 speculative dependence non-decreasing.
5197 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5199 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5200 shut up the compiler.
5202 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5204 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5205 to use lib prefix for target.
5206 ($(T)libic_invalidate_array_4-200.a): Likewise.
5207 ($(T)libic_invalidate_array_4a.a): Likewise.
5209 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5210 J"orn Rennecke <joern.rennecke@st.com>
5212 * superh.opt: New file.
5213 * sh.c (boardtype, osruntime): Remove.
5214 * superh.h (SUBTARGET_OPTIONS): Remove.
5215 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5217 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5218 arguments with ^ and/or [].
5220 * config.gcc (sh-*-*): Add quoting to account for quirk of
5222 Replace == with = in enable_incomplete_targets test.
5224 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5225 with MASK_LITTLE_ENDIAN.
5227 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5228 * config/sh/sh.opt: Added to some comments.
5229 * config/sh/superh.h: Removed some chaff.
5231 * config/sh/sh.opt: Add m4-[1234]00* options.
5232 * config/sh/sh.c (sh_handle_option): Likewise.
5233 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5234 (ic_invalidate_array_4-100.o): New rule.
5235 ($(T)libic_invalidate_array_4-100.a): Likewise.
5236 (ic_invalidate_array_4-200.o): Likewise.
5237 ($(T)libic_invalidate_array_4-200.a): Likewise.
5238 (ic_invalidate_array_4a.o): Likewise.
5239 ($(T)libic_invalidate_array_4a.a): Likewise.
5240 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5241 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5243 * config/sh/crt1.asm: Merged in profiling code.
5244 * config/sh/superh.h (STARTFILE_SPEC): Override.
5245 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5246 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5247 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5249 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5250 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5251 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5253 * sh.opt (mpretend-cmove): New option.
5254 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5255 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5256 (movsicc): Add TARGET_PRETEND_CMOVE code.
5258 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5260 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5261 s390_class_max_nregs): New function prototypes.
5262 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5263 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5264 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5265 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5267 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5269 * dwarf2out.c (add_location_or_const_value_attribute): Call
5270 tree_add_const_value_attribute if nothing else works.
5271 (reference_to_unused): New.
5272 (rtl_for_decl_init): Use reference_to_unused to decide whether
5273 to output an initializer.
5275 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5278 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5279 peephole removing spe frob_di_df_2.
5281 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5283 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5284 (subscript_dependence_tester_1): Declared.
5285 (print_dir_vectors, print_dist_vectors): New.
5286 (debug_data_dependence_relation): New.
5287 (dump_data_dependence_relation): Print more details.
5288 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5289 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5290 (save_dist_v, save_dir_v, add_outer_distances,
5291 build_classic_dist_vector_1): New.
5292 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5293 Don't test for lambda_vector_lexico_pos.
5294 (same_access_functions, add_multivariate_self_dist,
5295 add_other_self_distances, dir_from_dist): New.
5296 (build_classic_dir_vector): Replace implementation almost identical to
5297 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5299 (subscript_dependence_tester_1): New.
5300 (subscript_dependence_tester): Handle the lexicographically negative
5301 distance vectors by recomputing the dependence relation.
5302 (compute_affine_dependence): Remove parameter loop_nest_depth.
5303 (compute_self_dependence): Don't call compute_subscript_distance.
5304 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5305 Add a parameter for the loop_nest.
5306 (find_loop_nest_1, find_loop_nest): New.
5307 (compute_data_dependences_for_loop): Compute the loop nest, and give
5308 up if the nest is not well formed.
5309 * tree-data-ref.h (loop_p): New.
5310 (struct data_dependence_relation): Replace size_vect field with
5311 loop_nest, a vec of loops.
5312 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5313 (DDR_LOOP_NEST): New.
5314 (print_dir_vectors, print_dist_vectors,
5315 debug_data_dependence_relation): Declared.
5316 (index_in_loop_nest): New.
5317 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5318 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5321 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5323 * simplify-rtx.c (simplify_relational_operation): Call
5324 simplify_relational_operation_1 even if mode is VOIDmode.
5326 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5328 PR tree-optimization/26804
5329 * tree.h (DECL_CALL_CLOBBERED): New macro.
5330 (tree_decl_common): Add call_clobbered_flag.
5331 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5332 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5333 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5334 (mark_non_addressable): Ditto.
5335 * tree-ssa.c (verify_call_clobbered): New function.
5336 (verify_alias_info): Use it.
5337 * tree-pass.h (pass_reset_cc_flags): New prototype.
5338 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5339 (reset_cc_flags): New function.
5340 * passes.c (init_optimization_passes): Call reset_cc_flags after
5341 initializing referenced_vars.
5343 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5344 Roger Sayle <roger@eyesopen.com>
5347 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5348 to 1.0 for non-real operands. Implement A / A optimization for
5351 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5353 * config/i386/i386.c (size_cost): Correct the comment for
5354 cost of storing fp registers.
5355 (i386_cost): Likewise.
5356 (i486_cost): Likewise.
5357 (pentium_cost): Likewise.
5358 (pentiumpro_cost): Likewise.
5359 (k6_cost): Likewise.
5360 (athlon_cost): Likewise.
5361 (k8_cost): Likewise.
5362 (pentium4_cost): Likewise.
5363 (nocona_cost): Likewise.
5364 (generic64_cost): Likewise.
5365 (generic32_cost): Likewise.
5367 2006-03-24 Denis Chertykov <denisc@overta.ru>
5369 * config/avr/avr-protos.h (extra_constraint): Delete.
5370 (extra_constraint_Q): New declaration.
5371 * config/avr/constraints.md: New file.
5372 * config/avr/avr.md: Include it.
5373 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5374 (TMP_REGNO, ZERO_REGNO): Likewise.
5375 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5376 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5377 (extra_constraint): Delete.
5378 (extra_constraint_Q): Test for memory constraint 'Q'.
5379 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5380 (REG_CLASS_FROM_LETTER): Delete.
5381 (CONST_OK_FOR_LETTER_P): Delete.
5382 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5383 (EXTRA_CONSTRAINT): Delete.
5384 (TMP_REGNO): Delete.
5385 (ZERO_REGNO): Delete.
5387 2006-03-24 Jeff Law <law@redhat.com>
5389 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5390 directly. Call mark_new_vars_to_rename slightly earlier.
5392 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5394 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5396 (gen_compile_unit_die): Use new language types for Objective-C and
5398 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5399 DW_LANG_C_plus_plus.
5402 * config/t-darwin (crt3.o): Work around bug 26840.
5403 * config/darwin-crt3.c: Rewrite.
5404 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5406 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5408 * doc/invoke.texi: Document -femit-class-debug-always
5409 * common.opt: Add -femit-class-debug-always.
5411 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5413 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5414 index and base register.
5415 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5416 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5417 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5418 REGNO_OK_FOR_INDEX_P.
5419 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5421 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5422 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5423 REG_OK_FOR_BASE_P): Definitions removed.
5425 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5428 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5429 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5430 set yet or weren't marked as local yet.
5432 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5434 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5437 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5439 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5440 (rs6000_legitimate_small_data_p): Delete.
5441 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5442 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5443 and make static. Add forward declaration. Update uses.
5444 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5445 of offsettable_memref_p.
5446 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5447 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5449 2006-03-24 Jeff Law <law@redhat.com>
5451 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5452 around bug in immediate-use iterator.
5454 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5457 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5458 or __LITTLE_ENDIAN__.
5460 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5462 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5463 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5464 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5465 * config/sh/sh.opt (mdiv=): Amend description.
5466 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5467 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5468 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5469 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5470 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5471 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5472 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5473 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5474 TARGET_DIVIDE_CALL_FP.
5476 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5478 * haifa-sched.c (choose_ready): Fix type of the local variable.
5479 Move local variables. Add comment.
5480 (check_reg_live): Change signature. Make callable from debugger.
5481 * sched-int.h (check_reg_live): Update signature.
5482 * sched-ebb.c (check_reg_live): Update parameters.
5483 * sched-rgn.c (check_reg_live): Ditto.
5484 (region_head_or_leaf_p): Check pointer before dereferencing.
5485 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5486 before reload on optimization levels below 1.
5488 2006-03-23 Richard Henderson <rth@redhat.com>
5490 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5494 * config/alpha/predicates.md (local_symbolic_operand): Reject
5497 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5500 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5501 expressions which have overflowed constants.
5503 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5505 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5507 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5509 * cfgloopmanip.c (create_loop_notes): Removed.
5510 * final.c (final_scan_insn): Do not handle loop notes.
5511 * jump.c (squeeze_notes): Ditto.
5512 * cfglayout.c (skip_insns_after_block,
5513 duplicate_insn_chain): Ditto.
5514 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5516 * cfgloop.h (create_loop_notes): Declaration removed.
5518 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5520 * varasm.c (output_constant_pool): Restore fnname and fndecl
5522 (assemble_start_function): Adjust call accordingly.
5523 (assemble_end_function): Likewise.
5525 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5528 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5531 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5533 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5536 * system.h (ICE_EXIT_CODE): New macro.
5537 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5538 (diagnostic_action_after_output): Likewise.
5539 * gcc.c (fatal_ice): New function.
5540 (execute): Use it instead of fatal.
5541 (fancy_abort): Likewise.
5542 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5544 2006-03-22 Jeff Law <law@redhat.com>
5546 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5547 iv_analyze_result returning false.
5549 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5551 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5553 2006-03-22 Richard Henderson <rth@redhat.com>
5556 * except.c (duplicate_eh_regions_0): New.
5557 (duplicate_eh_region_1): Duplicate the children of the node as
5558 well as the node itself. Link them up properly.
5559 (duplicate_eh_region_2): Merge into ...
5560 (duplicate_eh_regions): ... here. Take copy_region argument, and
5561 copy only a sub-tree if asked. Simplify copying and fixup.
5562 (eh_region_outer_p): New.
5563 * except.h (duplicate_eh_regions): Update decl.
5564 (eh_region_outer_p): Declare.
5565 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5566 (lower_omp_master): Likewise.
5567 (lower_omp_ordered): Likewise.
5568 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5569 (move_stmt_r): Use it to remap labels. Handle recursion vs
5570 remap_decls_p properly.
5571 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5572 (find_outermost_region_in_block): New.
5573 (new_label_mapper): New.
5574 (move_sese_region_to_fn): Copy eh information to the new function
5576 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5578 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5581 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5583 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5584 into shared libraries.
5586 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5588 * doc/md.texi: Refer to i386/constraints.md instead of
5590 * config/i386/constraints.md: New file, extracted from...
5591 * config/i386/predicates.md: ...here.
5592 * config/i386/i386.md: Include constraints.md.
5594 2006-03-21 Jason Merrill <jason@redhat.com>
5596 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5599 * expr.c (init_block_move_fn): Force default visibility.
5600 (init_block_clear_fn): Likewise.
5601 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5602 * targhooks.c (default_external_stack_protect_fail): Likewise.
5604 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5606 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5607 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5608 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5609 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5610 (loadgp): Use mips_current_loadgp_style.
5611 (loadgp_noshared): New pattern.
5612 (sibcall_internal): Use MIPS_CALL.
5613 (sibcall_value_internal): Likewise.
5614 (sibcall_value_multiple_internal): Likewise.
5615 (call_internal): Likewise.
5616 (call_value_internal): Likewise.
5617 (call_value_multiple_internal): Likewise.
5618 (call_split): Use MIPS_CALL and add an 'S' constraint.
5619 (call_value_split): Likewise.
5620 (call_value_multiple_split): Likewise.
5621 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5622 (-mshared): New option.
5623 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5624 (mips_current_loadgp_style): Declare.
5625 * config/mips/mips.c (mips_classify_symbol): Avoid using
5626 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5627 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5628 TARGET_ABSOLUTE_ABICALLS.
5629 (override_options): Adjust comments. Improve the warning that is
5630 issued when -mabicalls and -G are used together.
5631 (mips_file_start): Remove comment.
5632 (mips_current_loadgp_style): New function.
5633 (mips_gnu_local_gp): New variable.
5634 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5636 (mips_output_function_prologue): Use mips_current_laodgp_style.
5637 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5638 the cprestore instruction.
5639 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5640 live for TARGET_ABSOLUTE_ABICALLS.
5641 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5642 (ASM_SPEC): Pass down -mshared and -mno-shared.
5643 (MIPS_CALL): New macro.
5644 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5646 * doc/invoke.texi (-mabicalls): Update documentation.
5647 (-mshared): Document.
5649 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5651 * config/ia64/unwind-hpux.c: New file.
5652 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5654 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5657 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5659 2006-03-21 Jeff Law <law@redhat.com>
5661 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5662 type conversions of a VR_VARYING source to a wider type.
5664 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5666 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5667 tm_file on Solaris 10 and later.
5668 (sparc64-*-solaris2*): Likewise.
5669 (sparc-*-solaris2*): Likewise.
5670 * config/sol26.h: Rename to config/sol2-6.h.
5671 * config/sol2-10.h: New file.
5673 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5676 * tree-ssa-pre.c (create_component_ref_by_pieces):
5679 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5682 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5683 return it immediately.
5685 2006-03-21 Michael Matz <matz@suse.de>
5687 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5689 (remove_arc, add_arc): Update num_out_arcs member.
5690 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5692 (cache_presence): New function.
5693 (compare_states_for_equiv): New function.
5694 (state_is_differed): Don't take number of outargs, adjust callers.
5695 Use new invariant for speeding up.
5696 (init_equiv_class): Create initial classes based on sorted
5698 (partition_equiv_class): Don't track out_arcs_num.
5699 (evaluate_equiv_classes): Call cache_presence on all states and
5702 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5704 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5705 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5706 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5707 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5709 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5710 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5711 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5712 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5713 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5715 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5716 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5717 (REGNO_REG_CLASS): ARGP is in PREGS.
5718 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5720 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5721 to deal with those addresses.
5722 * addresses.h: New file.
5723 * caller-save.c: Include "addresses.h".
5724 (init_caller_save): Use new base_reg_class function.
5725 * rtl-factoring.c: Include "addresses.h".
5726 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5727 * recog.c: Include "addresses.h".
5728 (preprocess_constraints): Use new base_reg_class function.
5729 * regrename.c: Include "addresses.h".
5730 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5731 functions. Keep track of a new var INDEX_CODE to compute valid
5733 (replace_oldest_value_addr): Likewise.
5734 (replace_oldest_value_mem): Use base_reg_class.
5735 * reload.c: Include "addresses.h".
5736 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5737 (find_reloads): Use new base_reg_class function.
5738 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5739 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5740 all callers and prototype changed.
5741 * reload1.c: Include "addresses.h".
5742 (maybe_fix_stack_asms): Use base_reg_class.
5743 * regclass.c: Include "addresses.h".
5744 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5745 (init_reg_autoinc): Use new base_reg_class function.
5746 (record_reg_classes): Likewise.
5747 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5748 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5749 Use new args to compute necessary class.
5751 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5752 regrename.o, rtl-factoring.o): Update dependencies.
5753 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5754 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5755 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5756 REG_OK_FOR_INDEX_P): Delete documentation.
5758 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5760 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5761 from V7 to V9 for Solaris 7 and above.
5763 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5765 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5766 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5767 argument pointers may not alias any other storage.
5768 * common.opt: Define option -fargument-noalias-anything.
5769 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5770 alias semantics is specified by flag_argument_noalias > 2.
5772 2006-03-20 Jeff Law <law@redhat.com>
5774 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5775 (pass_phi_only_cprop): Declare.
5776 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5778 * tree-ssa-dom.c (degenerate_phi_result): New function.
5779 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5780 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5781 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5782 (eliminate_degenerate_phis): Likewise.
5783 (pass_phi_only_cprop): New pass descriptor.
5784 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5785 support code. Callers updated.
5786 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5787 (store_copy_prop): Likewise.
5788 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5790 2006-03-20 Jason Merrill <jason@redhat.com>
5793 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5794 (push_visibility, pop_visibility): Likewise.
5795 * c-pragma.h: Declare them.
5797 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5799 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5801 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5802 parameter and use get_ebb_head_tail.
5803 (sh_md_init_global): Adjust uses of find_regmode_weight.
5805 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5807 * function.h (struct function) <x_tail_recursion_reentry>:
5808 Rename to x_stack_check_probe_note.
5809 (tail_recursion_reentry): Rename to stack_check_probe_note.
5810 * function.c: Replace tail_recursion_reentry with
5811 stack_check_probe_note everywhere.
5812 (expand_function_start): Only emit a note for
5813 stack_check_probe_note with -fstack-protect.
5814 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5816 * emit-rtl.c (remove_unnecessary_notes): Remove.
5817 (pass_remove_unnecessary_notes): Remove.
5818 * rtl.h (remove_unnecessary_notes): Remove prototype.
5819 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5820 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5821 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5823 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5826 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5827 (valid_in_set): Handle ARRAY_REF.
5828 Change "if min_variant or VH" to asserts.
5829 (create_component_ref_by_pieces): Handle ARRAY_REF.
5830 (create_expression_by_pieces): Likewise.
5831 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5833 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5835 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5836 is operand of switch, not str[0].
5838 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5840 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5841 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5843 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5845 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5846 end of insn_extra_address_constraint declaration.
5848 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5850 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5851 (no-sum-in-toc): Same.
5852 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5854 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5855 NO_FP_IN_TOC for -fPIC instead of mask.
5857 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5858 (BOOT_LDFLAGS): Delete.
5860 * config/rs6000/t-aix52: Same.
5862 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5863 (stmsi[345678]_power): New.
5865 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5867 * config/ia64/ia64.opt: Add empty line to end of file.
5869 2006-03-17 Richard Guenther <rguenther@suse.de>
5872 * builtins.c (get_pointer_alignment): For component style references
5873 adjust alignment to the component type alignment. Make sure
5874 to adjust alignment for component access of constants.
5876 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5878 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5881 2006-03-17 Paul Brook <paul@codesourcery.com>
5883 * doc/install.texi: Docuemnt --with-mode.
5884 * config.gcc: Add --with-mode for arm*-*-*.
5885 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5887 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5889 * sh.c (max_labelno_before_reorg): New variable.
5890 (sh_reorg): Initialize it.
5891 (find_barrier): Check max_labelno_before_reorg before using
5892 label_to_alignment. Take length of explicit alignment insns
5893 into account. When seeing a UNSPECV_CONST_END, return it.
5895 * sh.c (fixup_mova): Set mode of affected label to QImode.
5896 (untangle_mova): New function.
5897 (find_barrier): Use it. Check mode of label before decrementing
5899 (sh_reorg): Likewise.
5900 Set mode of all insns back to VOIDmode.
5902 * sh.c (MOVA_LABELREF): New macro.
5903 (mova_p, fixup_mova, sh_reorg): Use it.
5904 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5905 ADDR_DIFF_VEC matches mova.
5907 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5909 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5910 with ATTRIBUTE_UNUSED.
5912 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5914 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5915 pointer, instead of assuming it is possible to derive the
5916 correct args size from a call insn.
5918 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5920 * rtl.h (CONST_INT_P): Define.
5921 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5922 instead of GET_CODE(x) == CONST_INT.
5923 (vax_rtx_costs): Likewise.
5924 (vax_output_int_move): Likewise.
5925 (vax_output_int_add): Likewise.
5926 (legitimate_constant_address_p): Likewise.
5927 (index_term_p): Likewise.
5928 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5929 * config/vax/vax.md (and<mode>3): Likewise.
5930 (ashrsi3): Likewise.
5932 (movstricthi): Likewise.
5933 (movstrictqi): Likewise.
5934 (rotrsi3): Likewise.
5935 (five unnamed insns): Likewise.
5937 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5939 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5940 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5941 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5942 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5943 Pass to ASM_OUTPUT_DWARF_OFFSET.
5944 * dwarf2out.c (debug_frame_section): New.
5945 (output_call_frame_info): Use debug_frame_section. Pass it to
5946 dw2_asm_output_offset.
5947 (output_die): Pass appropriate section to dw2_asm_output_offset.
5948 (output_compilation_unit_header): Likewise.
5949 (output_pubnames): Likewise.
5950 (output_aranges): Likewise.
5951 (enum dw_val_class): Break dw_val_class_lbl_offset into
5952 dw_val_class_lineptr and dw_val_class_macptr.
5953 (add_AT_lbl_offset): Delete.
5954 (add_AT_lineptr): New.
5955 (add_AT_macptr): New.
5956 (AT_lbl): Expect a lineptr or macptr.
5957 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5958 (attr_checksum): Likewise.
5959 (same_dw_val_p): Likewise.
5960 (size_of_die): Likewise.
5961 (value_format): Likewise.
5962 (output_die): Likewise.
5963 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5965 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5966 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5967 * config/darwin-protos.h (darwin_file_start): New.
5968 (darwin_asm_output_dwarf_offset): New.
5969 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5970 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5972 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5973 if not EH section; simplify.
5974 (darwin_file_start): New.
5975 (darwin_asm_output_dwarf_offset): New.
5976 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5978 (DEBUG_INFO_SECTION): Likewise.
5979 (DEBUG_ABBREV_SECTION): Likewise.
5980 (DEBUG_ARANGES_SECTION): Likewise.
5981 (DEBUG_MACINFO_SECTION): Likewise.
5982 (DEBUG_LINE_SECTION): Likewise.
5983 (DEBUG_LOC_SECTION): Likewise.
5984 (DEBUG_PUBNAMES_SECTION): Likewise.
5985 (DEBUG_STR_SECTION): Likewise.
5986 (DEBUG_RANGES_SECTION): Likewise.
5987 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5988 (ASM_OUTPUT_DWARF_OFFSET): New.
5990 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5992 * config.gcc (tm_defines): Always add to previous value rather
5995 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5997 * config/mips/predicates.md (splittable_const_int_operand): New,
5998 split from move_operand.
5999 (splittable_symbolic_operand): New.
6000 (move_operand): Add commentary. Use splittable_const_int_operand.
6001 Inline mips_atomic_symbolic_constant_p.
6002 * config/mips/mips.md: Add combine splitters for handling moves
6003 of splittable_const_int_operands and splittable_symbolic_operands.
6004 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6005 (mips_split_symbol): Declare.
6006 (mips_move_integer): Declare.
6007 * config/mips/mips.c (mips_split_p): Make global.
6008 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6009 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6010 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6011 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6012 (mips_offset_within_object_p): Handle block symbols.
6013 (mips_atomic_symbolic_constant_p): Delete.
6014 (mips_cannot_force_const_mem): Return false for constants that
6015 mips_legitimize_move can handle.
6016 (mips_use_blocks_for_constant_p): New function.
6017 (mips_split_symbol): Make global.
6018 (mips_move_integer): Likewise. Add a temporary register argument.
6019 (mips_legitimize_const_move): Use splittable_const_int_operand and
6020 splittable_symbolic_operand.
6021 (mips_use_anchors_for_symbol_p): New function.
6022 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6023 (mips_split_p): Declare.
6025 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6027 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6028 (mips*-*-linux*): Likewise.
6030 2006-03-16 Roger Sayle <roger@eyesopen.com>
6031 Daniel Speyer <dspeyer@wam.umd.edu>
6034 * tree-dump.c (dump_real): New function.
6035 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6036 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6037 (tree-dump.o): Add $(REAL_H) to the dependencies.
6039 2006-03-16 Roger Sayle <roger@eyesopen.com>
6042 * real.c (real_from_string): If the mantissa is zero, don't bother
6043 parsing the exponent as the result should always be zero.
6045 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6047 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6049 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6051 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6052 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6053 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6054 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6055 ia64_sched_finish_global): New static functions to implement
6056 hooks from gcc_target.sched.
6057 (spec_check_no, max_uid, pending_data_specs): New static variables.
6058 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6059 ia64_spec_check_src_p): New static functions.
6060 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6061 (TARGET_SCHED_ADJUST_COST): Removed.
6062 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6063 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6064 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6065 TARGET_SCHED_GEN_CHECK,
6066 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6067 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6068 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6069 Fixed to handle speculation checks.
6070 (rtx_needs_barrier): Fixed to handle speculative loads and
6072 (ia64_variable_issue): Added code to count speculative loads and their
6074 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6076 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6078 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6080 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6081 (ia64_reorg): Reset stops_p to NULL after it is freed.
6082 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6083 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6084 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6086 (data_speculative, control_speculative, check_load): New attributes.
6087 (mov<mode>_advanced, mov<mode>_speculative,
6088 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6089 zero_extend<mode>di2_speculative,
6090 zero_extend<mode>di2_speculative_advanced): New patterns for
6091 data and control speculative loads.
6092 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6094 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6095 New pattern for data and control speculation checks.
6096 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6097 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6098 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6099 Auxiliary definitions for the patterns.
6100 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6101 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6103 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6105 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6106 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6107 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6108 New resource constraints.
6109 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6111 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6112 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6113 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6114 msched-in-control-spec, msched-ldc, msched-control-ldc,
6115 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6116 msched-prefer-non-control-spec-insns,
6117 msched-count-spec-in-critical-path): New flags to tune speculative
6119 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6120 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6121 msched-in-control-spec, msched-ldc, msched-control-ldc,
6122 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6123 msched-prefer-non-control-spec-insns,
6124 msched-count-spec-in-critical-path): Document new flags.
6126 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6128 * target.h (struct spec_info_def): New opaque declaration.
6129 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6130 speculate_insn, needs_block_p, gen_check,
6131 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6132 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6133 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6134 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6135 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6136 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6138 (TARGET_SCHED): Use new macros.
6139 * rtl.h (copy_DEPS_LIST_list): New prototype.
6140 * sched-int.h (struct sched_info): Change signature of new_ready field,
6141 adjust all initializations. New fields: add_remove_insn,
6142 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6143 region_head_or_leaf_p.
6144 (struct spec_info_def): New structure declaration.
6145 (spec_info_t): New typedef.
6146 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6147 recovery_block, orig_pat.
6148 (glat_start, glat_end): New variables declaraions.
6149 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6151 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6152 DETACH_LIFE_INFO, USE_GLAT.
6153 (enum SPEC_SCHED_FLAGS): New enumeration.
6154 (NOTE_NOTE_BB_P): New macro.
6155 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6156 attach_life_info, debug_spec_status, check_reg_live): New functions.
6157 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6158 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6160 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6161 * ddg.c (get_block_head_tail): Adjust all uses.
6162 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6163 (sms_sched_info): Initialize new fields.
6164 (contributes_to_priority): Removed.
6165 * haifa-sched.c (params.h): New include.
6166 (get_block_head_tail): Adjust all uses.
6167 (ISSUE_POINTS): New macro.
6168 (glat_start, glat_end): New global variables.
6169 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6170 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6171 old_last_basic_block, before_recovery, current_sched_info_var,
6172 rgn_n_insns, luid): New static variables.
6173 (insn_cost1): New function. Move logic from insn_cost to here.
6174 (find_insn_reg_weight1): New function. Move logic from
6175 find_insn_reg_weight to here.
6176 (reemit_notes, move_insn, max_issue): Change signature.
6177 (move_insn1): Removed.
6178 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6179 extend_bb): New static functions to support extension of scheduler's
6181 (generate_recovery_code, process_insn_depend_be_in_spec,
6182 begin_speculative_block, add_to_speculative_block,
6183 init_before_recovery, create_recovery_block, create_check_block_twin,
6184 fix_recovery_deps): New static functions to support
6185 generation of recovery code.
6186 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6187 restore_bb_notes, move_block_after_check, move_succs): New static
6188 functions to support ebb scheduling.
6189 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6190 functions to support handling of register live information.
6191 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6192 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6193 add_jump_dependencies): New static functions.
6194 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6195 consistancy checking.
6196 (debug_spec_status): New function to call from debugger.
6197 (priority): Added code to handle speculation checks.
6198 (rank_for_schedule): Added code to distinguish speculative instructions.
6199 (schedule_insn): Added code to handle speculation checks.
6200 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6201 Fixed to handle ebbs.
6202 (move_insn): Added code to handle ebb scheduling.
6203 (max_issue): Added code to use ISSUE_POINTS of instructions.
6204 (choose_ready): Added code to choose between speculative and
6205 non-speculative instructions.
6206 (schedule_block): Added code to handle ebb scheduling and scheduling of
6207 speculative instructions.
6208 (sched_init): Initialize new variables.
6209 (sched_finish): Free new variables. Print statistics.
6210 (try_ready): Added code to handle speculative instructions.
6211 * lists.c (copy_DEPS_LIST_list): New function.
6212 * sched-deps.c (extend_dependency_caches): New function. Move logic
6213 from create_dependency_caches to here.
6214 (get_dep_weak, ds_merge): Make global.
6215 * genattr.c (main): Code to output prototype for
6216 dfa_clear_single_insn_cache.
6217 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6218 (output_dfa_clean_insn_cache_func): Code to output
6219 dfa_clear_single_insn_cache function.
6220 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6222 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6224 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6225 New static variables.
6226 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6227 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6229 (ebb_sched_info): Initialize new fields.
6230 (get_block_head_tail): Adjust all uses.
6231 (compute_jump_reg_dependencies): Fixed to use glat_start.
6232 (schedule_ebb): Code to remove unreachable last block.
6233 (schedule_ebbs): Added code to update register live information.
6234 * sched-rgn.c (region_sched_info): Initialize new fields.
6235 (get_block_head_tail): Adjust all uses.
6236 (last_was_jump): Removed. Adjust users.
6237 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6238 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6239 Implement new hooks.
6240 (check_dead_notes1): New static function.
6241 (struct region): New fields: dont_calc_deps, has_real_ebb.
6242 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6243 (BB_TO_BLOCK): Fixed to handle EBBs.
6244 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6245 (ebb_head): New static variable.
6246 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6247 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6249 (compute_dom_prob_ps): New assertion.
6250 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6251 global_live_at_start.
6252 (init_ready_list): New assertions.
6253 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6254 (new_ready): Add support for BEGIN_CONTROL speculation.
6255 (schedule_insns): Fixed code that updates register live information
6257 (schedule_region): Fixed to handle EBBs.
6258 (init_regions): Use extend_regions and check_dead_notes1.
6259 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6260 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6261 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6262 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6263 TARGET_SCHED_GEN_CHECK,
6264 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6265 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6266 * doc/invoke.texi (max-sched-insn-conflict-delay,
6267 sched-spec-prob-cutoff): Document.
6269 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6271 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6272 inter_tick, queue_index.
6273 (struct sched_info): Change signature of init_ready_list field.
6274 Adjust all initializations.
6275 (RESOLVED_DEPS): New access macro.
6276 (ready_add): Remove prototype.
6277 (try_ready): Add prototype.
6278 * sched-rgn.c (init_ready_list): Use try_ready.
6279 (schedule_region): Initialize
6280 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6281 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6282 (init_ready_list): Use try_ready.
6283 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6284 * lists.c (remove_list_elem): Remove `static'.
6285 (remove_free_INSN_LIST_elem): New function.
6286 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6287 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6288 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6290 (readyp): New variable.
6291 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6292 change_queue_index, resolve_dep): New static functions.
6293 (try_ready): New function. Adjust callers in sched-rgn.c and
6294 sched-ebb.c to use it instead of ready_add.
6295 (clock_var): Move at the begining of file.
6296 (rank_for_schedule): Fix typo.
6297 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6298 (ready_lastpos): Enforce assertion.
6299 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6301 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6302 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6303 (queue_to_ready): Use free_INSN_LIST_list.
6304 (early_queue_to_ready): Fix typo.
6305 (schedule_block): Init readyp. Move init_ready_list call after the
6306 initialization of clock_var. Fix error in rejecting insn by
6307 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6308 that previously corrected INSN_TICKs. Add code for handling
6310 (set_priorities): Fix typo.
6311 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6312 Clarify comment and code that keeps current_sched_info->next_tail
6315 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6317 * sched-rgn.c (extend_rgns): New static function.
6318 (find_rgns): Use it.
6319 (gather_region_statistics, print_region_statistics): New static
6321 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6322 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6324 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6325 Andrey Belevantsev <abel@ispras.ru>
6327 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6328 * lists.c (unused_deps_list): New variable.
6329 (free_list): Add assertions to verify the proper distinguishing
6330 between INSN_LISTs and DEPS_LISTs.
6331 (find_list_elem, remove_list_elem, remove_list_node): New static
6333 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6334 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6335 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6336 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6338 (free_INSN_LIST_node): Likewise.
6339 * modulo-sched.c (current_sched_info): Initialize flags field.
6340 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6341 * rtl.def (DEPS_LIST): Define.
6342 * rtl.h: Declare new functions from lists.c.
6343 * sched-deps.c (spec_dependency_cache): New static variable.
6344 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6345 (add_dependence): Change return type to void. Move the logic to ...
6346 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6347 (delete_all_dependences): Add comment about forward_dependency_cache.
6348 Handle spec_dependency_cache. Handle DEPS_LISTs.
6349 (fixup_sched_groups): Clarify the change of priority of output
6350 and anti dependencies.
6351 (sched_analyze_2): Adjust add_dependence calls to create data
6352 speculative dependence.
6353 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6354 Adjust all callers. Handle DEPS_LISTS.
6355 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6356 presence of speculation.
6357 (init_dependency_caches, free_dependency_caches):
6358 Handle spec_dependency_cache.
6359 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6360 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6361 New static functions.
6362 (add_or_update_back_dep, add_or_update_back_forw_dep,
6363 add_back_forw_dep, delete_back_forw_dep): New functions.
6364 * sched-int.h (ds_t, dw_t): New typedefs.
6365 (struct sched_info): Add new field flags.
6366 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6367 Prototype new sched-deps.c functions.
6368 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6369 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6370 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6371 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6372 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6373 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6375 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6377 * sched-rgn.c (current_sched_info): Initialize flags field.
6378 (schedule_insns): Initialize current_sched_info before the sched_init
6380 * sched-ebb.c (current_sched_info): Initialize flags field.
6381 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6382 Call add_or_update_back_dep instead of add_dependence.
6383 Create control speculative dependencies.
6384 (schedule_insns): Initialize current_sched_info before the sched_init
6387 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6389 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6391 (sh_fallback_frame_state): Likewise.
6393 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6395 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6396 Do switch on default_use_cxa_atexit.
6397 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6398 * config/darwin-crt3.o: New.
6399 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6400 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6401 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6403 * config/rs6000/t-darwin: Move crt2.o building to here.
6404 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6405 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6408 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6410 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6411 from '! xxx' to '!xxx' for coding-style conformance.
6412 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6413 (EXTRA_CONSTRAINT): Likewise.
6414 * config/vax/vax.md (four unnamed insns): Likewise.
6416 2006-03-15 Paul Brook <paul@codesourcery.com>
6418 * config/arm/arm.c (minipool_pad): New.
6419 (add_minipool_forward_ref): Include pool alignment padding in address
6421 (push_minipool_fix): Set minipool_pad.
6422 (minipool_pad): Ditto.
6424 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6426 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6427 instead of GET_CODE() == MEM and REG_P() instead of
6429 (print_operand_address): Likewise.
6430 (vax_address_cost): Likewise.
6431 (vax_rtx_costs): Likewise.
6432 (vax_notice_update_cc): Likewise.
6433 (vax_output_int_add): Likewise.
6434 (INDEX_REGISTER_P): Likewise.
6435 (BASE_REGISTER_P): Likewise.
6436 (nonindexed_address_p): Likewise.
6437 (vax_mode_dependent_address_p): Likewise.
6438 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6439 (PRINT_OPERAND): Likewise.
6440 * config/vax/vax.md (ashlsi3): Likewise.
6441 (ashlsi3): Likewise.
6442 (some more unnamed insns): Likewise.
6444 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6446 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6447 iterator-style macro.
6448 (mark_control_dependent_edges_necessary): Update the use of
6449 EXECUTE_IF_CONTROL_DEPENDENT.
6451 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6453 * config/sh/predicates.md (cache_address_operand): Special.
6454 (ua_address_operand): Likewise.
6456 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6458 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6460 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6462 2006-03-15 Andreas Schwab <schwab@suse.de>
6464 * gensupport.c (identify_predicable_attribute): Don't free p_false
6465 when it is still in use.
6467 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6469 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6470 the default setting here.
6472 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6474 * tree-pass.h (pass_cfg): Remove.
6475 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6476 * passes.c (pass_cfg): Don't run it.
6478 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6480 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6481 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6483 (stack_regs_mentioned): Update the uses of
6484 stack_regs_mentioned_data. Don't access the array beyond its
6486 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6487 Don't include gt-reg-stack.h.
6489 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6490 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6492 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6495 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6498 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6500 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6502 2006-03-14 Richard Guenther <rguenther@suse.de>
6504 PR tree-optimization/26672
6505 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6508 2006-03-14 Richard Guenther <rguenther@suse.de>
6510 PR tree-optimization/26667
6511 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6512 node for the callees. Always allow inlining if it will shrink
6515 2006-03-14 Richard Guenther <rguenther@suse.de>
6518 * builtins.c (get_pointer_alignment): Prefer alignment
6519 information from decls over that from types.
6521 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6524 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6526 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6528 * config/rs6000/rs6000.opt (mdlmzb): New option.
6529 (msched-prolog, msched-epilog): Use Var not Mask.
6530 * doc/invoke.texi (-mdlmzb): Document.
6531 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6533 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6534 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6536 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6538 PR rtl-optimization/25739
6539 * bt-load.c (augment_live_range): Free tos pointer.
6541 * gensupport.c (identify_predicable_attribute): Free
6543 * gcov.c (create_file_names): Free name pointer.
6545 2006-03-13 Roger Sayle <roger@eyesopen.com>
6548 * stmt.c (emit_case_nodes): Handle the case where the index is a
6549 CONST_INT, where the comparison mode is specified by the index type.
6551 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6553 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6556 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6558 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6559 (*branch_fp_inverted): Likewise.
6561 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6564 * omp-low.c (expand_omp_for_generic): Mark istart0
6565 and iend0 as addressable.
6567 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6569 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6571 2006-03-13 Jeff Law <law@redhat.com>
6573 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6574 virtual operands are interesting.
6575 (vrp_visit_stmt): Corresponding changes.
6577 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6579 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6581 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6582 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6583 * config/bfin/crti.S: Use it instead of __PIC__.
6584 * config/bfin/crtn.S: Likewise.
6586 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6587 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6589 Lose 'G' modifier for call operand.
6590 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6591 recognize 'G' modifier.
6593 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6596 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6597 * stmt.c (expand_case): Likewise.
6599 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6601 PR rtl-optimization/26254
6602 * loop-invariant.c (seq_insns_valid_p): New function.
6603 (move_invariant_reg): Only emit new code if it is valid.
6605 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6607 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6609 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6610 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6611 (commit_one_edge_insertion): Do not look for loop notes.
6613 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6615 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6616 flag_test_coverage out of loop.
6618 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6620 * final.c (shorten_branches): Remove outdated comment, and turn
6621 the if branch that guards it to continue.
6623 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6625 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6626 * cfgloop.h (struct loop): Remove unused fields.
6628 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6630 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6631 (-dL, -fdump-rtl-loop2): Update the dump file names
6633 * doc/invoke.texi: Update dump file names.
6635 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6637 * predict.c (estimate_probability): Remove.
6638 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6639 * basic-block.h (estimate_probability): Remove prototype.
6640 * passes.c (finish_optimization_passes): Dump branch prediction or
6641 profiling heuristics to the .profile tree dump.
6642 (init_optimization_passes): Unqueue pass_branch_prob.
6644 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6646 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6648 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6649 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6651 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6653 * function.h (frame_offset_overflow): Declare.
6654 * function.c (frame_offset_overflow): New function.
6655 (assign_stack_local_1): Call it to detect that the offset overflows.
6656 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6658 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6660 * config/sh/sh.c: Include alloc-pool.h.
6661 (label_ref_list_pool): New alloc pool.
6662 (label_ref_list_t): New type for lists of labels.
6663 (struct pool_node): Make wend a label_ref_list_t.
6664 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6666 (dump_table): Likewise.
6667 (sh_reorg): Set up the alloc pool before using add_constant and
6668 dump_table, and destroy it when finishing.
6670 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6672 * config/mips/mips.c: Remove redundant comment.
6674 2006-03-10 Jason Merrill <jason@redhat.com>
6677 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6678 the target was declared 'register'.
6680 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6682 * genpreds.c (write_insn_constraint_len): Change definition of
6683 insn_constraint_len to return size_t to match the declaration.
6685 2006-03-10 DJ Delorie <dj@redhat.com>
6687 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6689 (m32c_expand_insv): Fix test for an AND mask.
6691 2006-03-10 Richard Guenther <rguenther@suse.de>
6694 * builtins.c (get_pointer_alignment): Handle component
6695 references for field alignment.
6697 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6699 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6700 when building with libgloss.
6701 (sh*elf): Implement --without-fp option.
6702 (sh64-superh-linux*): Don't multilib.
6704 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6706 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6708 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6710 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6711 Set it when one of the replacement functions returned true.
6712 Return TODO_cleanup_cfg if cfgchanged is true.
6713 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6715 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6717 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6718 instead of gen_lowpart.
6720 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6722 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6724 (mips_output_order_conditional_branch): Declare.
6725 * config/mips/mips.h (MIPS_BRANCH): New macro.
6726 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6727 for the comparison. Use gen_condjump.
6728 (mips_output_conditional_branch): Rework interface to take the
6729 asm templates for a direct branch and the inverse of a direct branch.
6730 (mips_output_order_conditional_branch): New function.
6731 (mips_builtin_branch_and_move): New function.
6732 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6733 branch condition. Use gen_single_cc as the condition for
6734 __builtin_mips_upper_* or __builtin_mips_lower_*.
6735 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6736 Use VOIDmode for the branch condition.
6737 * config/mips/predicates.md (order_operator): New predicate.
6738 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6739 (branch_fp): Rename to...
6740 (*branch_fp): ...this. Remove mode from comparison operator.
6741 Use new mips_output_conditional_branch interface.
6742 (branch_fp_inverted): Rename to...
6743 (*branch_fp_inverted): ...this and update as for *branch_fp.
6744 (*branch_zero<mode>): Rename to...
6745 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6746 Use mips_output_order_conditional_branch. Only accept ordered
6748 (*branch_zero<mode>_inverted): Rename to...
6749 (*branch_order<mode>_inverted): ...this and update as for
6750 *branch_order<mode>.
6751 (*branch_equality<mode>): Accept zero as the second operand to
6752 the equality operator. Use the new mips_output_conditional_branch
6754 (*branch_equality<mode>_inverted): Likewise.
6755 (condjump): New expander.
6756 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6758 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6759 (bc1any2t, bc1any2f): Likewise.
6760 (single_cc): New expander.
6761 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6763 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6765 * doc/md.texi: Update documentation of MIPS constraints.
6766 * config/mips/constraints.md: New file.
6767 * config/mips/mips.md: Include it.
6768 * config/mips/mips.c (mips_char_to_class): Delete.
6769 (override_options): Don't initialize mips_char_to_class.
6770 * config/mips/mips.h (mips_char_to_class): Delete.
6771 (REG_CLASS_FROM_LETTER): Delete.
6772 (CONST_OK_FOR_LETTER_P): Delete.
6773 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6774 (EXTRA_CONSTRAINT_Y): Delete.
6775 (EXTRA_CONSTRAINT_STR): Delete.
6776 (CONSTRAINT_LEN): Delete.
6777 (EXTRA_MEMORY_CONSTRAINT): Delete.
6779 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6781 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6782 original fn's eh regions.
6784 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6786 * fold-const.c (build_range_check): Make sure to use a valid type to
6787 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6790 (range_predecessor): New static function.
6791 (range_successor): Likewise.
6792 (merge_ranges): Use them to compute predecessors and successors of
6795 2006-03-09 Roger Sayle <roger@eyesopen.com>
6798 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6799 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6801 2006-03-08 DJ Delorie <dj@redhat.com>
6803 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6804 (addpsi3): Expand to include memory operands. Remove
6805 reload-specific splits.
6806 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6807 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6808 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6809 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6810 (shift1_qi, shift1_hi, insv): New.
6811 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6812 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6813 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6815 * config/m32c/m32c-protos.h: Update as needed.
6816 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6817 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6818 Fail for unrecognized R* constraints.
6819 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6820 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6821 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6823 (m32c_init_libfuncs): New.
6824 (m32c_legitimate_address_p): Add debug wrapper.
6825 (m32c_rtx_costs): New.
6826 (m32c_address_cost): New.
6827 (conversions): Add 'B' prefix.
6828 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6829 operands, or word regnames for QI operands. 'B' prints bit
6831 (m32c_expand_setmemhi): New.
6832 (m32c_expand_movmemhi): New.
6833 (m32c_expand_movstr): New.
6834 (m32c_expand_cmpstr): New.
6835 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6836 (m32c_expand_neg_mulpsi3): Handle non-ints.
6837 (m32c_cmp_flg_0): New.
6838 (m32c_expand_movcc): New.
6839 (m32c_expand_insv): New.
6840 (m32c_scc_pattern): New.
6841 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6842 a0/a1 out of SIregs.
6843 (STORE_FLAG_VALUE): New.
6844 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6847 * config/m32c/mov.md: Make constraints more liberal.
6848 (zero_extendqihi2): Optimize r0/r1 case.
6849 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6850 * config/m32c/predicates.md (m32c_any_operand): New.
6851 (m32c_nonimmediate_operand): New.
6852 (m32c_hl_operand): New.
6853 (m32c_r3_operand): New.
6856 (memsym_operand): New.
6857 (memimmed_operand): New.
6858 (a_qi_operand): New.
6859 (m32c_eqne_operator): New.
6860 (m32c_1bit8_operand): New.
6861 (m32c_1bit16_operand): New.
6862 (m32c_1mask8_operand): New.
6863 (m32c_1mask16_operand): New.
6864 * config/m32c/blkmov.md: New file.
6865 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6867 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6869 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6870 unsigned to fix signed/unsigned comparison issue in
6871 DWARF2_FRAME_REG_OUT.
6872 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6873 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6875 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6876 of ptr into the ENABLE_CHECKING section.
6878 2006-03-08 Jeff Law <law@redhat.com>
6880 * tree-vrp.c (infer_value_range): Only count pointer uses
6881 and dereferences if -fdelete-null-pointer-checks is enabled.
6883 * tree-vrp.c (find_assert_locations): Infer value ranges for
6884 single use pointers, but do not create ASSERT_EXPRs for them.
6885 When a non-null range is inferred for a pointer, backwards
6886 propagate that range to other equivalent pointers through the
6889 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6892 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6893 language hook targets.
6894 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6895 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6896 if language hook targets were missing.
6898 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6900 * tree-ssa-opfinalize.h: Removed.
6901 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6903 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6904 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6905 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6906 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6907 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6908 finalize_ssa_v_must_def_ops): New.
6910 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6912 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6915 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6917 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6919 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6920 addresses with offsets; reorganize.
6922 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6923 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6924 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6926 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6929 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6931 2006-03-08 Ben Elliston <bje@au.ibm.com>
6933 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6935 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6938 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6941 2006-03-07 Richard Guenther <rguenther@suse.de>
6943 PR tree-optimization/26587
6944 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6946 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6948 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6950 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6952 * hooks.c (hook_bool_mode_rtx_true): New function.
6953 * hooks.h (hook_bool_mode_rtx_true): Declare.
6954 * toplev.c (compile_file): Call output_shared_constant_pool.
6955 * varasm.c (shared_constant_pool): New variable.
6956 (assemble_start_function, assemble_end_function): Remove arguments
6957 from call to output_constant_pool.
6958 (create_constant_pool): New function, split out from...
6959 (init_varasm_status): ...here.
6960 (force_const_mem): Choose between the shared and per-function constant
6961 pools. Set current_function_uses_const_pool when reusing old entries
6962 as well as when creating new ones.
6963 (mark_constant): Ignore data argument.
6964 (mark_constants): Remove pool argument.
6965 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6966 to decide whether the function uses a constant pool.
6967 (output_constant_pool_contents): New function, split out from...
6968 (output_constant_pool): ...here.
6969 (output_shared_constant_pool): New function.
6970 (init_varasm_once): Initialize shared_constant_pool.
6971 * output.h (output_constant_pool): Delete.
6972 (output_shared_constant_pool): Declare.
6973 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6974 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6976 2006-03-06 Nick Clifton <nickc@redhat.com>
6978 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6979 flag_strength_reduce.
6981 2006-03-06 Ben Elliston <bje@au.ibm.com>
6983 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6984 x86_64-*-linux* configurations.
6986 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6987 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6989 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6991 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6993 * basic-block.h: Remove the extern for
6994 rediscover_loops_after_threading.
6996 * cfgloop.c (cancel_loop): Make it static.
6997 * cfgloop.h: Remove the prototype for cancel_loop.
6999 * flow.c (recompute_reg_usage): Make it static.
7000 * rtl.h: Remove the prototype for recompute_reg_usage.
7002 * function.c (use_return_register): Make it static.
7003 * function.h: Remove the prototype.
7005 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7007 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7009 * recog.h: Remove the prototype for
7010 validate_change_maybe_volatile.
7012 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7014 * rtlanal.c (replace_reg): Remove.
7015 * rtl.h: Remove the prototype for replace_reg.
7017 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7019 * regclass.c (reg_scan_update): Remove.
7020 (reg_scan_mark_refs): Remove the last argument.
7021 * rtl.h: Remove the prototype for reg_scan_update.
7023 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7025 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7026 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7027 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7028 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7029 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7030 loop-invariant.c, omp-low.c, opts.c, passes.c,
7031 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7032 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7033 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7034 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7035 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7036 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7038 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7040 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7041 * dwarf2out.h: Remove the prototype for
7042 dwarf2out_add_library_unit_info.
7044 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7046 * tree.c (add_var_to_bind_expr): Remove.
7047 * tree.h: Remove the prototype for add_var_to_bind_expr.
7049 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7051 * regclass.c (n_non_fixed_regs): Remove.
7052 (init_reg_sets_1, globalize_reg): Remove all uses of
7054 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7056 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7058 * rtlanal.c (insns_safe_to_move_p): Remove.
7059 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7061 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7063 * expmed.c (expand_mult_add): Remove.
7064 * expr.h: Remove the prototype for expand_mult_add.
7066 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7068 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7069 and REG_SAVED_VAL_EXP constants.
7070 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7071 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7072 Handle regs stored by value.
7073 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7074 (execute_cfa_program): Handle DW_CFA_val_offset,
7075 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7076 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7077 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7078 (uw_install_context_1): Handle target regs stored by value.
7080 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7082 * tree-sra.c (tree_sra): Return todoflags;
7083 (generate_one_element): Set TODO_update_smt_usage if needed.
7084 (pass_sra): Remove TODO_update_smt_usage.
7085 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7087 (tree_ssa_forward_propagate_single_use_vars): Return
7088 TODO_update_smt_usage if we need to update SMT usage.
7089 (pass_forwprop): Remove TODO_update_smt_usage.
7091 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7093 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7094 (correct_use_link): Remove reference to get_stmt_operands.
7095 (update_stmt_operands): Likewise.
7096 (get_modify_expr_operands): New function factored out of
7097 parse_ssa_operands and get_expr_operands.
7098 Try to create V_MUST_DEFs for LHS by default.
7099 (get_expr_operands) <case MODIFY_EXPR>: Call
7100 get_modify_expr_operands.
7101 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7102 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7103 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7104 get_modify_expr_operands.
7106 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7108 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7109 * tree-flow.h: Remove the prototype for
7110 referenced_var_lookup_if_exists.
7112 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7114 PR rtl-optimization/26345
7116 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7118 2006-03-03 Roger Sayle <roger@eyesopen.com>
7120 PR tree-optimization/26524
7121 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7122 fold_convert to create a constant of the appropriate type.
7124 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7126 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7127 SYMBOL_REF_IN_BLOCK_P.
7128 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7129 of SYMBOL_FLAG_IN_BLOCK.
7130 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7131 instead of SYMBOL_REF_IN_BLOCK_P.
7132 * explow.c (use_anchored_address): Likewise.
7133 * rtl.c (rtx_size): Likewise.
7134 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7135 instead of SYMBOL_FLAG_IN_BLOCK.
7136 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7137 SYMBOL_REF_IN_BLOCK_P.
7138 (assemble_variable): Likewise.
7139 (output_constant_def_contents): Likewise.
7140 (output_constant_pool): Likewise.
7141 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7142 instead of SYMBOL_FLAG_IN_BLOCK.
7143 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7144 SYMBOL_REF_IN_BLOCK_P.
7145 (SYMBOL_REF_BLOCK): Likewise.
7146 (SYMBOL_REF_OFFSET): Likewise.
7147 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7148 SYMBOL_REF_IN_BLOCK_P.
7149 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7150 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7151 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7152 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7154 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7156 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7158 2006-03-02 Roger Sayle <roger@eyesopen.com>
7160 * simplify-rtx.c (simplify_unary_operation): When simplifying
7161 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7162 that we perform the right shift in the appropriate mode, and
7163 then extend or truncate the result to requested mode.
7165 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7167 * gengtype.c (main): Handle double_int type.
7168 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7169 * double-int.c: New file.
7170 * double-int.h: New file.
7171 * system.h: Include doubleint.h.
7172 * Makefile.in (SYSTEM_H): Include double-int.h.
7173 (double-int.o): Add.
7175 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7178 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7181 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7183 * tree-vrp.c (remove_range_assertions): Do not update statements
7186 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7188 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7190 * gcse.c (rest_of_handle_gcse): Ditto.
7191 * except.c (gate_handle_eh): Ditto.
7192 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7193 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7195 2006-03-02 Eric Christopher <echristo@apple.com>
7197 * config/i386/i386.c (machopic_output_stub): Add indirection to
7200 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7204 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7206 Sun Niagara specific optimizations.
7207 * config.gcc: Recognize niagara as target.
7208 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7209 (TARGET_CPU_niagara): Define.
7210 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7211 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7212 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7213 (ASM_CPU_SPEC): Likewise.
7214 (PROCESSOR_NIAGARA): New enum entry.
7215 (REGISTER_MOVE_COST): Handle Niagara.
7216 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7217 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7218 (sparc_override_options): Recognize "niagara", set appropriate
7219 default MASK_* values for it, and align functions to 32-bytes
7220 by default just like ULTRASPARC/ULTRASPARC3.
7221 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7222 (sparc64_initialize_trampoline): Likewise.
7223 (sparc_use_sched_lookahead): Use zero for niagara.
7224 (sparc_issue_rate): Use one for niagara.
7225 * config/sparc/niagara.md: New file.
7226 * config/sparc/sparc.md: Include it.
7227 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7228 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7229 when default cpu is niagara.
7230 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7231 (ASM_CPU_SPEC): Likewise.
7232 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7233 when default cpu is niagara.
7234 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7235 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7236 just like v9/ultrasparc/ultrasparc3.
7237 * doc/invoke.texi: Add documentation for "niagara" and improve
7238 existing documentation for ultrasparc variants.
7240 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7242 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7244 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7246 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7247 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7248 and say that only one is needed.
7249 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7250 * target.h (have_switchable_bss_sections): New hook.
7251 * explow.c (use_anchored_address): Check that the symbol is in a block.
7252 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7253 (bss_noswitch_section): New variables.
7254 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7255 (get_noswitch_section): New function.
7256 (get_block_for_section): Allow SECT to be null.
7257 (unlikely_text_section_p): Use SECTION_STYLE.
7258 (bss_initializer_p): New function.
7259 (get_variable_section): Move earlier in file. Take a new argument,
7260 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7261 Return one of the new *_sections in such cases.
7262 (get_block_for_decl): New function, extracting some logic from
7263 use_blocks_for_decl_p.
7264 (change_symbol_section): Remove in favor of...
7265 (change_symbol_block): ...this new function.
7266 (use_blocks_for_decl_p): Remove checks now performed by
7268 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7269 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7270 (emit_local, emit_bss, emit_common): ...these new functions.
7271 Return true if the alignment was honored.
7272 (emit_tls_common): New function.
7273 (asm_emit_uninitialised): Delete.
7274 (assemble_variable_noswitch): New function, split out from...
7275 (assemble_variable): ...here. Don't make decisions about common
7276 variables here. Globalize all public decls that go into non-common
7277 sections. Check whether SYMBOL_REF_BLOCK is null.
7278 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7279 (output_constant_pool): Likewise.
7280 (init_varasm_once): Initialize the new section variables.
7281 (have_global_bss_p): New function.
7282 (categorize_decl_for_section): Use bss_initializer_p.
7283 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7284 (place_block_symbol): Assert that the symbol must be in a block.
7285 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7286 (TARGET_INITIALIZER): Include it.
7287 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7288 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7289 (SECTION_MACH_DEP): Bump by two.
7290 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7291 (unnamed_section): Mention SECTION_UNNAMED in comment.
7292 (named_section): Likewise SECTION_NAMED.
7293 (noswitch_section_callback): New type.
7294 (noswitch_section): New structure.
7295 (section): Add a noswitch_section alternative.
7296 (SECTION_STYLE): New macro.
7297 (tls_comm_section, comm_section, lcomm_section): Declare.
7298 (bss_noswitch_section, have_global_bss_p): Declare.
7299 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7300 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7302 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7303 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7306 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7308 * tree-vrp.c (execute_vrp): Return value.
7309 * regrename.c (rest_of_handle_regrename): Ditto.
7310 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7311 * tree-complex.c (tree_lower_complex): Ditto.
7312 (tree_lower_complex_O0): Ditto.
7313 * tracer.c (rest_of_handle_tracer): Ditto.
7314 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7315 * postreload.c (rest_of_handle_postreload): Ditto.
7316 * tree-tailcall.c (execute_tail_recursion): Ditto.
7317 (execute_tail_calls): Ditto.
7318 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7319 * tree.h (init_function_for_compilation): Ditto.
7320 * ipa-cp.c (ipcp_driver): Ditto.
7321 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7322 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7323 * final.c (compute_alignments): Ditto.
7324 (rest_of_handle_final): Ditto.
7325 (rest_of_handle_shorten_branches): Ditto.
7326 (rest_of_clean_state): Ditto.
7327 * omp-low.c (execute_expand_omp): Ditto.
7328 (execute_lower_omp): Ditto.
7329 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7330 * ipa-reference.c (static_execute): Ditto.
7331 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7332 * reorg.c (rest_of_handle_delay_slots): Ditto.
7333 (rest_of_handle_machine_reorg): Ditto.
7334 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7335 * flow.c (recompute_reg_usage): Ditto.
7336 (rest_of_handle_remove_death_notes): Ditto.
7337 (rest_of_handle_life): Ditto.
7338 (rest_of_handle_flow2): Ditto.
7339 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7340 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7341 (do_ssa_store_ccp): Ditto.
7342 (execute_fold_all_builtins): Ditto.
7343 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7344 * modulo-sched.c (rest_of_handle_sms): Ditto.
7345 * ipa-pure-const.c (static_execute): Ditto.
7346 * cse.c (rest_of_handle_cse): Ditto.
7347 (rest_of_handle_cse2): Ditto.
7348 * web.c (rest_of_handle_web): Ditto.
7349 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7350 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7351 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7352 * tree-nrv.c (tree_nrv): Ditto.
7353 (execute_return_slot_opt): Ditto.
7354 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7355 (create_structure_vars): Ditto.
7356 * loop-init.c (rtl_loop_init): Ditto.
7357 (rtl_loop_done): Ditto.
7358 (rtl_move_loop_invariants): Ditto.
7359 (rtl_unswitch): Ditto.
7360 (rtl_unroll_and_peel_loops): Ditto.
7361 (rtl_doloop): Ditto.
7362 * gimple-low.c (lower_function_body): Ditto.
7363 (mark_used_blocks): Ditto.
7364 * tree-ssa-sink.c (execute_sink_code): Ditto.
7365 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7366 (cgraph_early_inlining): Ditto.
7367 * global.c (rest_of_handle_global_alloc): Ditto.
7368 * jump.c (cleanup_barriers): Ditto.
7369 (purge_line_number_notes): Ditto.
7370 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7371 (rest_of_handle_if_after_reload): Ditto.
7372 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7373 (tree_ssa_loop_im): Ditto.
7374 (tree_ssa_loop_unswitch): Ditto.
7375 (tree_vectorize): Ditto.
7376 (tree_linear_transform): Ditto.
7377 (tree_ssa_loop_ivcanon): Ditto.
7378 (tree_ssa_empty_loop): Ditto.
7379 (tree_ssa_loop_bounds): Ditto.
7380 (tree_complete_unroll): Ditto.
7381 (tree_ssa_loop_prefetch): Ditto.
7382 (tree_ssa_loop_ivopts): Ditto.
7383 (tree_ssa_loop_done): Ditto.
7384 * predict.c (tree_estimate_probability): Ditto.
7385 * recog.c (split_all_insns_noflow): Ditto.
7386 (rest_of_handle_peephole2): Ditto.
7387 (rest_of_handle_split_all_insns): Ditto.
7388 * tree-eh.c (lower_eh_constructs): Ditto.
7389 * regmove.c (rest_of_handle_regmove): Ditto.
7390 (rest_of_handle_stack_adjustments): Ditto.
7391 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7392 * function.c (instantiate_virtual_regs): Ditto.
7393 (init_function_for_compilation): Ditto.
7394 (rest_of_handle_check_leaf_regs): Ditto.
7395 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7396 (rest_of_handle_gcse): Ditto.
7397 * ipa-type-escape.c (type_escape_execute): Ditto.
7398 * alias.c (rest_of_handle_cfg): Ditto.
7399 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7400 * profile.c (rest_of_handle_branch_prob): Ditto.
7401 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7402 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7403 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7404 * tree-dfa.c (find_referenced_vars): Ditto.
7405 * except.c (set_nothrow_function_flags): Ditto.
7406 (convert_to_eh_region_ranges): Ditto.
7407 (rest_of_handle_eh): Ditto.
7408 * emit-rtl.c (unshare_all_rtl): Ditto.
7409 (remove_unnecessary_notes): Ditto.
7410 * except.h (set_nothrow_function_flags): Ditto.
7411 (convert_to_eh_region_ranges): Ditto.
7412 * cfgexpand.c (tree_expand_cfg): Ditto.
7413 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7414 * tree-ssa-pre.c (do_pre): Ditto.
7415 (execute_fre): Ditto.
7416 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7417 (rest_of_handle_jump2): Ditto.
7418 * tree-sra.c (tree_sra): Ditto.
7419 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7420 (execute_mudflap_function_decls): Ditto.
7421 * tree-ssa-copy.c (do_copy_prop): Ditto.
7422 (do_store_copy_prop): Ditto.
7423 * ipa-prop.h (ipcp_driver): Ditto.
7424 * cfglayout.c (insn_locators_initialize): Ditto.
7425 * tree-ssa-forwprop.c
7426 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7427 * cfglayout.h (insn_locators_initialize): Ditto.
7428 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7429 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7430 (execute_late_warn_uninitialized): Ditto.
7431 * rtl.h (cleanup_barriers): Ditto.
7432 (split_all_insns_noflow): Ditto.
7433 (purge_line_number_notes): Ditto.
7434 (unshare_all_rtl): Ditto.
7435 (remove_unnecessary_notes): Ditto.
7436 (recompute_reg_usage): Ditto.
7437 (variable_tracking_main): Ditto.
7438 * integrate.c (emit_initial_value_sets): Ditto.
7439 * integrate.h (emit_initial_value_sets): Ditto.
7440 * tree-optimize.c (execute_free_datastructures): Ditto
7441 (execute_free_cfg_annotations): Ditto.
7442 (execute_fixup_cfg): Ditto.
7443 (execute_cleanup_cfg_pre_ipa): Ditto.
7444 (execute_cleanup_cfg_post_optimizing): Ditto.
7445 (execute_init_datastructures): Ditto.
7446 * tree-object-size.c (compute_object_sizes): Ditto.
7447 * combine.c (rest_of_handle_combine): Ditto.
7448 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7449 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7450 (rest_of_handle_reorder_blocks): Ditto.
7451 (rest_of_handle_partition_blocks): Ditto.
7452 * var-tracking.c (variable_tracking_main): Ditto.
7453 * tree-profile.c (tree_profiling): Ditto.
7454 * tree-vect-generic.c (expand_vector_operations): Ditto.
7455 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7456 * sched-rgn.c (rest_of_handle_sched): Ditto.
7457 (rest_of_handle_sched2): Ditto.
7458 * basic-block.h (free_bb_insn): Ditto.
7459 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7460 * tree-cfg.c (execute_build_cfg): Ditto.
7461 (remove_useless_stmts): Ditto.
7462 (split_critical_edges): Ditto.
7463 (execute_warn_function_return): Ditto.
7464 (execute_warn_function_noreturn): Ditto.
7465 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7466 * cfgrtl.c (free_bb_for_insn): Ditto.
7467 * passes.c (execute_one_pass): Run additional
7468 todos returned by execute function.
7469 * tree-pass.h (struct tree_opt_pass): Make execute
7472 2006-03-02 Richard Guenther <rguenther@suse.de>
7474 * tree-ssa-alias.c (find_used_portions): Consider taking
7475 the address as making the variable not write-only.
7477 2006-03-02 Nick Clifton <nickc@redhat.com>
7479 * config.gcc (default_use_cxa_atexit): Extend the description of
7480 this configure variable. Set its default value to "yes" for
7481 Linux, NetBSD and ELF targets on the assumption that they will
7482 use C libraries with the __cxa_atexit function.
7484 2006-03-02 Ben Elliston <bje@au.ibm.com>
7486 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7487 parameter as unused to suppress a build warning.
7489 2006-03-02 Ben Elliston <bje@au.ibm.com>
7491 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7494 2006-03-01 Roger Sayle <roger@eyesopen.com>
7497 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7498 declared name, the weak reference name, and the typeof name.
7499 (__gthrw): Avoid expanding the declared name suffix.
7500 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7502 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7504 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7506 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7507 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7508 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7509 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7510 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7511 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7512 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7513 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7514 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7515 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7516 (DW_END_default, DW_END_big, DW_END_little): New.
7517 (DW_END_lo_user, DW_END_hi_user): Define.
7518 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7519 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7520 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7523 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7525 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7527 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7529 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7531 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7533 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7534 to 'symbol_mem_tag'.
7536 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7539 2006-03-01 Roger Sayle <roger@eyesopen.com>
7541 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7543 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7546 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7547 MACHO_DYNAMIC_NO_PIC_P.
7548 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7550 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7553 * config/darwin-protos.h (darwin_asm_output_anchor):
7555 * config/darwin-sections.def (cstring_section):
7556 Add SECTION_MERGE to the flags.
7557 (literal4_section): Likewise.
7558 (literal8_section): Likewise.
7559 (objc_selector_refs_section): Likewise.
7560 (objc_cls_refs_section): Likewise.
7561 * config/darwin.c (darwin_asm_output_anchor): New
7563 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7565 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7567 Fix PR tree-optimization/26443
7568 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7569 to todo and PROP_tmt_usage to properties_destroyed.
7570 * tree-ssa-ccp.c (pass_ccp): Ditto.
7571 (pass_store_ccp): Ditto.
7572 * tree-ssa-dom.c (pass_dominator): Ditto.
7574 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7576 * tree-ssa-operands.c: Cleanup whitespace.
7577 (get_asm_expr_operands): Move before first invocation.
7578 (get_indirect_ref_operands): Likewise.
7579 (get_tmr_operands): Likewise.
7580 (get_call_expr_operands): Likewise.
7581 (append_def): Likewise.
7582 (append_use): Likewise.
7583 (append_v_may_def): Likewise.
7584 (append_v_must_def): Likewise.
7585 (add_call_clobber_ops): Likewise.
7586 (add_call_read_ops): Likewise.
7587 (add_stmt_operand): Likewise.
7588 (add_virtual_operand): Likewise.
7589 (build_ssa_operands): Likewise.
7591 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7596 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7597 with a call expr to ...
7598 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7600 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7602 * tree-vrp.c (extract_range_from_assert): Remove special
7603 handling for types with super-types.
7605 2006-03-01 Ben Elliston <bje@au.ibm.com>
7607 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7608 and powerpc64-*-linux* configurations.
7609 * config/t-dfprules: New file.
7611 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7612 Compile dfp-bit.c from the source directory using -DWIDTH and
7613 $DFP_CFLAGS to control the compilation of that file, rather than
7614 generating width-specific versions in the build directory.
7615 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7616 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7618 2006-02-28 Zack Weinberg <zackw@panix.com>
7620 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7623 2006-02-28 Eric Christopher <echristo@apple.com>
7625 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7626 Set up IN_LIBGCC definition of TARGET_64BIT.
7627 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7629 2006-02-28 Roger Sayle <roger@eyesopen.com>
7632 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7633 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7634 cases via the construction of "expr != 0".
7636 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7638 * alias.c (alias_invariant, alias_invariant_size): Remove.
7639 (record_base_value): Remove.
7640 (memrefs_conflict_p): Don't look at alias_invariant.
7641 (end_alias_analysis): Don't free it.
7642 * alias.h (record_base_value): Remove prototype.
7644 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7645 Adam Nemet <anemet@caviumnetworks.com>
7647 * rtl.h (truncated_to_mode): Declare it.
7648 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7649 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7650 (RTL_HOOKS_INITIALIZER): Include it.
7651 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7652 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7653 reg_truncated_to_mode.
7654 * rtlanal.c (truncated_to_mode): Define it.
7655 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7657 2006-02-28 Jeff Law <law@redhat.com>
7659 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7660 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7661 the range allowed by TYPE_PRECISION.
7663 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7665 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7667 PR tree-optimization/26419
7668 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7671 2006-02-27 Zack Weinberg <zackw@panix.com>
7673 * doc/md.texi: Fix typo in previous change.
7675 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7679 2006-02-27 Zack Weinberg <zackw@panix.com>
7681 * rtl.def (define_constraint, define_register_constraint)
7682 (define_memory_constraint, define_address_constraint): New MD forms.
7683 * gensupport.c (process_rtx): Put define_constraint etc on the
7685 * genpreds.c (process_define_predicate): Adjust comment. Validate
7686 the name, and call validate_exp to validate the expression.
7687 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7688 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7689 all callers changed.
7690 (validate_exp, needs_variable, struct constraint_data)
7691 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7692 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7693 (const_dbl_constraints, constraint_max_namelen)
7694 (have_register_constraints, have_memory_constraints)
7695 (have_address_constraints, have_address_constraints)
7696 (have_extra_constraints, have_const_int_constraints)
7697 (have_const_dbl_constraints, mangle, add_constraint)
7698 (process_define_constraint, process_define_register_constraint)
7699 (write_enum_constraint_num, write_lookup_constraint)
7700 (write_insn_constraint_len, write_regclass_for_constraint)
7701 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7702 (write_insn_extra_memory_constraint)
7703 (write_insn_extra_address_constraint)
7704 (write_satisfies_constraint_fns): New.
7705 (write_tm_preds_h): If we have new-style constraint definitions,
7706 prototype the functions generated from them, and define the
7707 old constraint interface (still used by generic code) in terms of
7709 (write_insn_preds_c): If we have new-style constraint definitions,
7710 generate all relevant functions from those definitions.
7711 (main): Handle define_constraint etc.
7712 * genoutput.c (struct constraint_data, indep_constraints)
7713 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7714 (mdep_constraint_len): New data structures and functions, defined
7715 #ifdef USE_MD_CONSTRAINTS.
7716 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7717 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7718 use new logic to validate operand constraints against constraint
7720 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7722 * defaults.h: If none of the old-style constraint macros are
7723 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7724 old-style macros; and poison REG_CLASS_FROM_LETTER,
7725 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7727 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7728 * doc/md.texi: Document new constraint-definition mechanism and the
7729 C interface it provides. Remove references to old mechanism
7730 elsewhere in the document.
7731 (Machine Constraints): Use pathnames relative to gcc directory,
7732 i.e. config/ARCH/FILE. Change i386 section to refer to
7733 config/i386/predicates.md; update that section to match docstrings.
7734 * doc/tm.texi: Move all documentation of the old constraint-
7735 definition macros to their own section, clearly mark as obsolete.
7737 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7738 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7740 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7741 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7742 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7744 (splits and peepholes): Use satisfies_constraint_*.
7745 * config/i386/i386.c (memory_address_length)
7746 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7748 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7750 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7751 scalar operation to be put back into the loop.
7753 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7756 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7757 (extract_cie_info): Handle S flag in augmentation string.
7758 (execute_cfa_program): If context->signal_frame, execute also
7759 fs->pc == context->ra instructions.
7760 (uw_frame_state_for): If context->signal_frame, don't subtract one
7761 from context->ra to find FDE.
7762 (uw_update_context_1): Set context->signal_frame to
7764 (_Unwind_GetIPInfo): New function.
7765 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7766 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7768 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7769 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7770 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7771 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7772 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7773 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7774 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7775 x86_64_fallback_frame_state): Set fs->signal_frame.
7776 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7777 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7778 (frob_update_context): Likewise. Workaround missing S flag in
7779 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7780 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7781 Remove the psw_addr + 1 hack.
7783 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7785 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7786 with aggregates here.
7787 (find_func_aliases): Remove code for &<aggregate> from here.
7789 2006-02-26 Roger Sayle <roger@eyesopen.com>
7791 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7792 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7793 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7796 2006-02-26 Roger Sayle <roger@eyesopen.com>
7799 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7801 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7803 * opts.c (decode_options): Do not handle flag_strength_reduce.
7804 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7805 and OPT_fstrength_reduce.
7806 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7807 flag_prefetch_loop_arrays for being nonzero.
7808 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7810 (fprefetch-loop-arrays-rtl): Removed.
7811 (flag_prefetch_loop_arrays): Do not specify the value.
7813 * doc/passes.texi: Update documentation of loop optimizer
7815 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7816 -frerun-loop-opt): Remove.
7818 2006-02-26 Richard Guenther <rguenther@suse.de>
7820 PR tree-optimization/26421
7821 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7822 in function calls that are ADDR_EXPRs as using the whole structure.
7824 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7826 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7827 * tree-pass.h (pass_loop_optimize): Remove.
7828 * passes.c (pass_loop_optimize): Never run it.
7829 * toplev.c (backend_init): Don't call init_loop.
7830 * opts.c (flag_loop_optimize_set): Remove.
7831 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7832 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7833 the old RTL loop optimizer when profiling enabled.
7834 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7835 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7836 pre-headers for the sake of the old RTL loop optimizer.
7837 * Makefile.in: Remove all references to loop.o.
7839 * doc/invoke.texi: Remove all references to -floop-optimize
7840 and -frerun-loop-opt.
7842 2006-02-26 Zack Weinberg <zackw@panix.com>
7844 * doc/md.texi (Machine Constraints): Refer to all files with paths
7845 relative to gcc directory (i.e. config/CPU/file). Add missing
7846 @table @code ... @end table to M32C subsection.
7848 2006-02-26 Roger Sayle <roger@eyesopen.com>
7850 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7852 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7854 2006-02-26 Roger Sayle <roger@eyesopen.com>
7855 James A. Morrison <phython@gcc.gnu.org>
7858 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7859 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7860 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7861 signedness of the shift operation.
7863 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7865 PR tree-optimization/26359
7866 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7868 2006-02-25 Roger Sayle <roger@eyesopen.com>
7870 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7871 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7872 as X == 0, and some symmetry related transformations.
7873 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7875 2006-02-25 Roger Sayle <roger@eyesopen.com>
7878 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7879 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7880 symmetry related transformations. Fold (X^C1) == C2 as
7883 2006-02-25 Juergen Weigert <jw@suse.de>
7884 Richard Guenther <rguenther@suse.de>
7886 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7888 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7890 * combine.c (gen_lowpart_or_truncate): Call
7891 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7893 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7895 * doc/invoke.texi: Move -fopenmp description to "Options for
7897 Remove reference to -lgomp.
7899 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7901 * doc/install.texi: Require GNU tar version 1.14.
7903 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7905 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7906 * doc/invoke.texi (C++ Dialect Options): Document
7907 -fno-use-cxa-get-exception-ptr.
7908 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7909 * configure: Regenerate.
7910 * c.opt (fuse-cxa-get-exception-ptr): New.
7911 * c-opts.c (c_common_handle_option): Handle
7912 OPT_fuse_cxa_get_exception_ptr.
7913 * c-common.c (flag_use_cxa_atexit): Update documentation.
7914 (flag_use_cxa_get_exception_ptr): New.
7915 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7916 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7918 (C_COMMON_OVERRIDE_OPTIONS): New.
7920 2006-02-24 Roger Sayle <roger@eyesopen.com>
7923 * combine.c (try_combine): Explicitly check whether GET_CODE is
7924 a SET or a CLOBBER, instead on checking that it isn't a USE.
7926 2006-02-24 Roger Sayle <roger@eyesopen.com>
7928 * fold-const.c (fold_comparison): New subroutine of fold_binary
7929 containing transformations common to both the equality and
7930 ordering relational operators, factored out of fold_binary.
7931 (fold_binary): Separate out the equality operators (EQ_EXPR
7932 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7933 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7934 transformations common to both.
7935 (fold_div_compare): Fix latent bugs in the previously unreachable
7936 LT_EXPR and GE_EXPR cases.
7938 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7940 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7941 decl libname for clog to __clog on AIX.
7943 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7945 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7948 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7949 output traceback table for thunks. Localise rs6000_stack_info call.
7951 2006-02-23 Roger Sayle <roger@eyesopen.com>
7952 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7954 * gthr-posix.h (__gthrw): Fix typo in comment.
7956 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7958 * doc/cpp.texi (Character sets): Document that we do support
7959 input files to be in any character set.
7961 2006-02-23 Jeff Law <law@redhat.com>
7963 * tree.h (PHI_ARG_NONZERO): Remove.
7964 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7965 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7966 node to the new node.
7968 PR tree-optimization/26425
7969 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7970 min/max, then assume its varying.
7972 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7974 PR rtl-optimization/26316
7975 * rtlanal.c (enum may_trap_p_flags): New.
7976 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7977 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7978 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7979 (may_trap_after_code_motion_p): New function.
7980 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7981 (find_invariant_insn): Use may_trap_after_code_motion_p.
7982 * rtl.h (may_trap_after_code_motion_p): Declare.
7984 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7986 * emit-rtl.c (immed_double_const): Cleanup.
7988 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7990 Fix PR tree-optimization/26376
7991 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7994 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7997 * gimplify.c (omp_add_variable): Guard variable size decl test with
7998 DECL_SIZE (decl) check.
8000 2006-02-23 Richard Guenther <rguenther@suse.de>
8003 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8004 like aggregate types.
8006 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8008 * configure.ac: Add --with{,out}-long-double-128 configure option.
8009 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8010 * configure: Rebuilt.
8011 * config.in: Rebuilt.
8012 * doc/install.texi (Options specification): Document
8013 --with-long-double-128.
8015 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8016 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8017 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8018 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8020 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8022 * config/s390/s390.c (override_options): Handle
8023 TARGET_DEFAULT_LONG_DOUBLE_128.
8025 * config/alpha/alpha.c (override_options): Handle
8026 TARGET_DEFAULT_LONG_DOUBLE_128.
8028 * config/sparc/sparc.c (sparc_override_options): Handle
8029 TARGET_DEFAULT_LONG_DOUBLE_128.
8031 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8033 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8034 (real-install-headers-tar, real-install-headers-cpio)
8035 (real-install-headers-cp): New targets.
8037 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8039 * tree.h (variable_section): Delete.
8040 * varasm.c (variable_section): Delete.
8042 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8044 * install.texi: Add notes on install.texi2html.
8045 (Building in parallel): Do not use footnotes.
8047 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8050 * doc/install.texi (Configuration): Document --disable-libgomp.
8052 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8054 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8056 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8058 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8059 (vec_extractv2df_0_sse): New.
8061 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8063 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8064 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8065 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8066 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8067 to the result of the expression.
8068 (def_cfa_1): Adjust.
8069 (frame_pointer_cfa_offset): Rename to...
8070 (frame_pointer_fb_offset): ... this. Adjust all uses.
8071 (convert_cfa_to_loc_list): Rename to...
8072 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8073 Pass it on to build_cfa_loc.
8074 (compute_frame_pointer_to_cfa_displacement): Rename to...
8075 (compute_frame_pointer_to_fb_displacement): ... this. New
8076 offset parameter. Use it in computation.
8077 (gen_subprogram_die): Compute cfa_fb_offset with the new
8078 macro, and use it to compute the fb loc list and the
8081 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8083 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8084 replaced with register_operand.
8085 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8086 non-DREG is expensive.
8087 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8088 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8091 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8093 * doc/install.texi2html: Use set -e.
8095 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8097 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8098 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8099 * doc/invoke.texi (-fshared-data): Delete.
8100 * common.opt (fshared-data): Delete.
8101 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8102 (assemble_static_space): Remove #if 0 code.
8103 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8104 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8105 * config/cris/cris.h: Remove FIXME.
8107 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8109 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8112 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8115 * combine.c (simplify_shift_const_1): Disable nested shifts
8116 optimization for vector shifts.
8118 2006-02-20 Roger Sayle <roger@eyesopen.com>
8120 PR tree-optimization/26361
8121 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8122 of unsigned integer types.
8124 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8126 * tree-chrec.c (eq_evolutions_p): New.
8127 * tree-chrec.h (eq_evolutions_p): Declared.
8128 * tree-data-ref.c: Fix formatting.
8129 (datadep_stats, dependence_stats): New.
8131 (print_direction_vector): New.
8132 (dump_data_dependence_relation): Use print_direction_vector.
8133 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8134 (compute_subscript_distance): Static.
8135 (initialize_data_dependence_relation): Static. Get the number
8136 of loops surrounding the references from the callers, and initialize
8137 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8138 base_object_differ_p analyzers.
8139 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8140 compute_overlap_steps_for_affine_1_2,
8141 analyze_subscript_affine_affine): Count the classified dependences.
8142 Print a message when a test failed.
8143 (can_use_analyze_subscript_affine_affine): New.
8144 (analyze_siv_subscript): Compute the data dependences on symbolic
8145 scevs that verify can_use_analyze_subscript_affine_affine.
8146 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8147 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8148 Handle symbolic scevs.
8149 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8151 (subscript_dependence_tester): Moved...
8152 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8153 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8154 DDR_SIZE_VECT instead of getting it in parameter.
8155 (subscript_dependence_tester): ... here. Take as a parameter
8156 loop_nest_depth. Call build_classic_dist_vector and
8157 build_classic_dir_vector.
8158 (compute_affine_dependence): Update subscript_dependence_tester
8159 parameters. Update datadep_stats counters. Call
8160 compute_subscript_distance.
8161 (compute_self_dependence): Save the dist and dir vectors. Call
8162 compute_subscript_distance.
8163 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8164 (compute_all_dependences): Reorder parameters as they were before
8165 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8166 compute_subscript_distance. Update the use of
8167 compute_affine_dependence and initialize_data_dependence_relation.
8168 (find_data_references_in_loop): Handle COMPONENT_REF.
8169 (compute_data_dependences_for_loop): Initialize dependence_stats.
8170 Don't call build_classic_dist_vector and build_classic_dir_vector.
8171 Update the parameters of initialize_data_dependence_relation and
8172 compute_all_dependences. Print the statistics from datadep_stats.
8173 (analyze_all_data_dependences): Static. Not used until the pass for
8174 checking the data dependences is contributed.
8175 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8176 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8177 (initialize_data_dependence_relation, compute_affine_dependence,
8178 analyze_all_data_dependences, compute_subscript_distance): Removed.
8179 (print_direction_vector): New.
8180 * lambda.h (gcd): ... here.
8181 (lambda_vector_gcd): Moved here from gcd_vector.
8182 * lambda-code.c (gcd, gcd_vector): Removed.
8183 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8184 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8186 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8188 * ipa-type-escape.c: Tidy some comments and white space.
8189 * tree-ssa-operands.c: Likewise.
8191 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8194 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8195 (dump_decl_name): Do not walk the decl tree chains.
8196 * tree-pass.h (TDF_CHAIN): Remove.
8198 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8200 * Makefile.in (C): Remove
8202 (.PHONY): Remove C and PROTO
8204 2006-02-20 Roger Sayle <roger@eyesopen.com>
8207 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8208 deprecated CHAR_TYPE tree code.
8210 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8212 * configure.ac (target_list): Add install-info, dvi, html.
8213 * configure: Regenerate.
8215 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8216 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8217 treelang/Make-lang.in: Do not use double-colon rules.
8219 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8221 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8222 (TMT_USED_ALONE): New macro.
8223 * tree-pass.h (PROP_tmt_usage): New property.
8224 (TODO_update_tmt_usage): New todo.
8225 * tree-ssa-alias.c (updating_used_alone): New variable.
8226 (recalculate_used_alone): New function.
8227 (compute_may_aliases): Set updating_used_alone, call
8228 recalculate_used_alone.
8229 * tree-sra.c (pass_sra): Note that this pass destroys
8230 PROP_tmt_usage, and add TODO_update_tmt_usage.
8231 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8232 * tree-flow.h (updating_used_alone): Prototype.
8233 (recalculate_used_alone): Ditto.
8234 * passes.c (execute_todo): Add code to set updating_used_alone,
8235 and call recalculate.
8236 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8237 for clobber if used alone, and add assert to verify used_alone
8240 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8242 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8243 for non tls symbols added.
8244 (legitimize_address): Do nothing for PLUS expressions if one of the
8245 addends is a tls symbol reference.
8247 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8251 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8253 * Makefile.in (BOOTSTRAPPING): New.
8254 (quickstrap): New definition if BOOTSTRAPPING=yes.
8256 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8257 * configure.ac: Substitute all_selected_languages with the languages
8258 that were configured. For all the other variables except
8259 lang_specs_files, include all the languages in the tree.
8260 * configure: Regenerate.
8262 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8263 if there is one. Run the commands to run fixincludes in the same
8266 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8267 * doc/install.texi: Document exact conventions for searching target tools.
8268 Document --with-build-time-tools. Document toplevel bootstrap. Document
8269 something more about building an Ada cross-compiler. Don't list GNU Make
8270 requirements which affect all platforms.
8272 2006-02-19 Roger Sayle <roger@eyesopen.com>
8275 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8276 only equivalent if the have both the same mode and precision.
8278 2006-02-20 Ben Elliston <bje@au.ibm.com>
8280 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8282 2006-02-19 Roger Sayle <roger@eyesopen.com>
8283 Steven Bosscher <stevenb.gcc@gmail.com>
8285 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8286 constant pool references to identify stack mode constants.
8287 * rtlanal.c (constant_pool_constant_p): New predicate to check
8288 whether operand is a floating point constant in the pool.
8289 * rtl.h (constant_pool_constant_p): Prototype here.
8290 * loop.c (scan_loop): Avoid hoisting constants from the constant
8291 pool on STACK_REGS targets.
8292 (load_mems): Likewise.
8293 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8294 loads into x87 registers expensive in terms of register pressure.
8296 2006-02-19 Roger Sayle <roger@eyesopen.com>
8298 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8299 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8301 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8303 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8304 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8306 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8308 * doc/invoke.texi: Document -fipa-pta.
8309 * common.opt: Add ipa-pta option.
8310 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8311 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8312 (do_ds_constraint): Ditto.
8313 (get_constraint_for): Only add to referenced_vars if
8314 referenced_vars exists.
8315 (insert_into_field_list): Rewrite to do this unsorted.
8316 (insert_into_field_list_sorted): Rename old insert_into_field_list
8318 (create_function_info_for): Use insert_into_field_list_sorted.
8319 (create_variable_info_for): Rewrite so it uses unsorted version,
8320 since the field list is sorted.
8321 (intra_create_variable_infos): Only add to referenced_vars if
8322 referenced_vars exists.
8323 (ipa_pta_execute): Init heapvars, and delete when done.
8324 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8326 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8328 * doc/install.texi: Add missing `@samp'.
8330 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8332 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8335 2006-02-18 Mark Wielaard <mark@klomp.org>
8337 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8338 who added new 4.1 features, bug fixes and integration support.
8340 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8343 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8346 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8348 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8349 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8350 (copy_insn_1): Likewise. Don't copy each field individually.
8352 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8354 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8355 * rtl.c (rtx_size): Rename variable to...
8356 (rtx_code_size): ...this.
8357 (rtx_size): New function.
8358 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8359 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8361 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8362 * rtl.h (rtx_code_size): New variable.
8363 (rtx_size): Change from a variable to a function.
8364 (RTX_SIZE): Rename to...
8365 (RTX_CODE_SIZE): ...this.
8368 PR tree-optimization/17106
8369 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8370 (Anchored Addresses): New section.
8371 * doc/invoke.texi (-fsection-anchors): Document.
8372 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8373 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8374 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8375 * hooks.c (hook_bool_mode_rtx_false): New function.
8376 * hooks.h (hook_bool_mode_rtx_false): Declare.
8377 * gengtype.c (create_optional_field): New function.
8378 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8379 SYMBOL_REF_IN_BLOCK_P is true.
8380 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8381 (min_anchor_offset, max_anchor_offset): Likewise.
8382 (use_anchors_for_symbol_p): New hook.
8383 * toplev.c (compile_file): Call output_object_blocks.
8384 (target_supports_section_anchors_p): New function.
8385 (process_options): Check that -fsection-anchors is only used on
8386 targets that support it and when -funit-at-a-time is in effect.
8387 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8388 if the decl doesn't have one.
8389 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8390 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8391 of force_const_mem through use_anchored_address.
8392 (expand_expr_constant): New function.
8393 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8394 calling expand_expr for INDIRECT_REF.
8395 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8396 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8397 * expr.h (use_anchored_address): Declare.
8398 * loop-unroll.c: Don't declare rtx vectors here.
8399 * explow.c: Include output.h.
8400 (validize_mem): Call use_anchored_address.
8401 (use_anchored_address): New function.
8402 * common.opt (-fsection-anchors): New switch.
8403 * varasm.c (object_block_htab, anchor_labelno): New variables.
8404 (hash_section, object_block_entry_eq, object_block_entry_hash)
8405 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8406 (use_blocks_for_decl_p, change_symbol_section): New functions.
8407 (get_variable_section): New function, split out from assemble_variable.
8408 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8409 use_blocks_for_decl_p say so. Use change_symbol_section if the
8410 symbol has already been created.
8411 (assemble_variable_contents): New function, split out from...
8412 (assemble_variable): ...here. Don't output any code for
8413 block symbols; just pass them to place_block_symbol.
8414 Use get_variable_section and assemble_variable_contents.
8415 (get_constant_alignment, get_constant_section, get_constant_size): New
8416 functions, split from output_constant_def_contents.
8417 (build_constant_desc): Create a block symbol if use_object_blocks_p
8418 says so. Or into SYMBOL_REF_FLAGS.
8419 (assemble_constant_contents): New function, split from...
8420 (output_constant_def_contents): ...here. Don't output any code
8421 for block symbols; just pass them to place_section_symbol.
8422 Use get_constant_section and get_constant_alignment.
8423 (force_const_mem): Create a block symbol if use_object_blocks_p and
8424 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8425 (output_constant_pool_1): Add an explicit alignment argument.
8426 Don't switch sections here.
8427 (output_constant_pool): Adjust call to output_constant_pool_1.
8428 Switch sections here instead. Don't output anything for block symbols;
8429 just pass them to place_block_symbol.
8430 (init_varasm_once): Initialize object_block_htab.
8431 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8432 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8433 (place_block_symbol, get_section_anchor, output_object_block)
8434 (output_object_block_htab, output_object_blocks): New functions.
8435 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8436 (TARGET_ASM_OUT): Include it.
8437 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8438 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8439 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8440 (TARGET_INITIALIZER): Include them.
8441 * rtl.c (rtl_check_failed_block_symbol): New function.
8442 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8443 (block_symbol, object_block): New structures.
8444 (rtx_def): Add a block_symbol field to the union.
8445 (BLOCK_SYMBOL_CHECK): New macro.
8446 (rtl_check_failed_block_symbol): Declare.
8447 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8448 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8449 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8450 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8451 * output.h (output_section_symbols): Declare.
8452 (object_block): Name structure.
8453 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8454 (default_use_anchors_for_symbol_p): Declare.
8455 * Makefile.in (RTL_BASE_H): Add vec.h.
8456 (explow.o): Depend on output.h.
8457 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8458 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8459 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8460 (rs6000_use_blocks_for_constant_p): New function.
8462 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8464 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8466 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8469 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8472 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8474 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8478 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8481 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8482 instead of DECL_REGISTER.
8484 2006-02-18 Olivier Hainque <hainque@adacore.com>
8487 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8489 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8492 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8493 * opth-gen.awk: Handle Var and InverseMask together.
8494 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8495 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8496 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8497 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8499 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8500 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8501 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8502 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8503 LINUX_DYNAMIC_LINKER): Define.
8504 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8505 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8507 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8508 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8509 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8511 (TARGET_C99_FUNCTIONS): Don't define.
8512 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8513 GLIBC_DYNAMIC_LINKER.
8514 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8515 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8516 GLIBC_DYNAMIC_LINKER64): Define.
8517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8518 LINUX_DYNAMIC_LINKER64.
8519 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8521 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8522 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8523 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8524 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8525 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8526 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8527 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8529 and LINUX_DYNAMIC_LINKER32.
8530 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8532 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8534 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8536 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8537 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8538 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8539 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8540 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8541 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8542 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8543 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8544 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8545 LINUX_DYNAMIC_LINKER): Define.
8546 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8547 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8548 GLIBC_DYNAMIC_LINKER64): Define.
8549 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8550 LINUX_DYNAMIC_LINKER64.
8551 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8552 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8553 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8554 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8555 LINUX_DYNAMIC_LINKER): Define.
8556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8557 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8558 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8559 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8560 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8561 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8562 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8563 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8564 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8565 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8567 * doc/invoke.texi (-muclibc): Remove caveat about supported
8570 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8572 * doc/cpp.texi (__TIMESTAMP__): Document.
8574 2006-02-17 Roger Sayle <roger@eyesopen.com>
8577 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8578 C is one less than the width of X (and related transformations).
8579 * simplify-rtx.c (simplify_unary_operation_1): Transform
8580 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8581 depending on STORE_FLAG_VALUE, were C is one less then the
8584 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8586 Fix PR tree-optimization/26341
8587 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8588 about NAME_MEMORY_TAG's.
8590 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8593 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8594 with hardware float support, and software float support. Add fcpy
8595 alternative to hardware patterns. Add alternatives to copy between
8596 general and floating-point registers to the 32-bit pattern.
8597 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8598 secondary reload to load a QI or HI mode constant into a floating
8600 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8601 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8603 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8606 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8608 (load_macho_picbase_di): Likewise.
8610 2006-02-16 Jeff Law <law@redhat.com>
8612 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8613 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8614 (ssa_name_nonzero_p): Likewise.
8615 (get_value_range): Return NULL if VRP is not running.
8616 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8617 VRP routines do not discover a range.
8618 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8619 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8620 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8621 (tree_expr_nonnegative_p): Similarly.
8622 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8623 (restore_nonzero_vars_to_original_value): Remove.
8624 (unsafe_associative_fp_binop): Remove.
8625 (tree_ssa_dominator_optimize): Remove initialization and
8626 finalization of nonzero_vars and nonzero_vars_stack.
8627 (dom_opt_initialize_block): No longer push marker on
8629 (dom_opt_finalize_block): No longer call
8630 restore_nonzero_vars_to_original_value.
8631 (record_equivalences_from_phis): No longer look for
8632 nonzero PHI arguments.
8633 (cprop_into_successor_phis): No longer propagate nonzero
8634 property into PHI arguments. Lose unused argument. Caller
8636 (record_equivalences_from_stmt): No longer record nonzero
8637 values for SSA_NAMEs.
8638 (lookup_avail_expr): No longer use nonzero_vars.
8640 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8641 for sizetype when sizetype is unsigned.
8643 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8645 PR rtl-optimization/25603
8646 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8647 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8648 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8649 with new meaning of SETS.
8651 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8656 * config/linux.opt: New file.
8657 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8658 LINUX_DYNAMIC_LINKER): Define.
8659 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8660 * config.gcc (*-*-linux*): Define extra_options.
8661 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8662 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8663 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8664 GLIBC_DYNAMIC_LINKER.
8665 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8666 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8667 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8668 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8669 * doc/invoke.texi (GNU/Linux Options): New section.
8671 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8673 * config/sparc/sparc.md (setjmp): Rewrite.
8674 (setjmp_32): Delete.
8675 (setjmp_64): Likewise.
8677 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8679 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8682 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8684 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8687 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8689 PR rtl-optimization/26296
8690 * Makefile.in (loop-invariant.c): Add except.h dependency.
8691 * loop-invariant.c: Include except.h.
8692 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8694 2005-02-16 Paul Brook <paul@codesourcery.com>
8696 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8699 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8701 PR rtl-optimization/25636
8702 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8703 when deciding whether an insn is an initializing insn.
8705 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8707 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8708 (tree_code_size): Ditto.
8709 * tree.h (struct tree_memory_tag): Remove parent_var.
8710 (struct tree_struct_field_tag): New.
8713 (union tree_node): Add sft member.
8714 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8716 (create_sft): Add size and offset argument, set SFT_OFFSET and
8718 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8719 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8720 * tree-flow-inline.h (get_subvar_at): Update for
8721 SFT_OFFSET/SFT_SIZE.
8722 (var_can_have_subvars): Ditto.
8723 (overlap_subvar): Ditto.
8724 * print-tree.c (print_node): Print out interesting things for
8726 * tree-flow.h (struct subvar): Remove offset and size members.
8727 * tree-ssa-operands.c (get_expr_operands): Update for
8728 get_indirect_ref_operands changes.
8729 (get_indirect_ref_operands): Call add_virtual_operand instead of
8730 add_stmt_operand. Only recurse on base var if requested.
8731 (access_can_touch_variable): New function.
8732 (add_stmt_operand): Split virtual operand handling into ...
8733 (add_virtual_operand): Here. Add offset, size, and for_clobber
8734 arguments. Prune alias sets.
8735 (add_call_clobber_ops): Call add_virtual_operand.
8737 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8740 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8742 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8743 than TREE_CODE as index into omp_clause_num_ops array.
8745 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8747 PR rtl-optimization/26184
8748 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8750 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8751 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8752 must_precede, must_follow and tobe_scheduled.
8755 * opts.c (common_handle_option): Free new_option pointer.
8756 * df-core.c (df_analyze): Free postorder pointer.
8758 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8760 * Makefile.in: Fix the examples about the use of stamps
8762 2006-02-15 Michael Matz <matz@suse.de>
8766 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8767 influenced by maximum_field_alignment or DECL_PACKED.
8768 (update_alignment_for_field): Ditto.
8769 (place_field): Ditto.
8770 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8773 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8775 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8776 (debug_flow_info): Pass it.
8777 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8778 * bb-reorder.c (reorder_basic_blocks): Likewise.
8779 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8780 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8781 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8782 * gcse.c (gcse_main, bypass_jumps): Likewise.
8783 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8784 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8785 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8786 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8787 * rtl.h (dump_flow_info): Adjust prototype.
8788 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8789 * var-tracking.c (variable_tracking_main): Likewise.
8790 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8791 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8794 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8796 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8799 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8801 PR tree-optimization/26209
8802 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8803 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8805 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8807 2006-02-14 Roger Sayle <roger@eyesopen.com>
8810 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8811 (X,Y) and the corresponding symmetry related transformations.
8812 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8813 (X,Y) and its symmetry related transformations.
8815 2006-02-14 Roger Sayle <roger@eyesopen.com>
8817 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8820 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8822 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8824 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8827 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8828 support COMDAT group.
8829 * configure: Regenerate.
8831 2006-02-14 Roger Sayle <roger@eyesopen.com>
8836 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8838 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8840 Fix PR tree-optimization/26260
8842 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8844 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8845 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8846 * tree-ssa-structalias.c (create_variable_info_for): Use
8847 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8849 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8851 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8853 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8854 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8855 of the ending condition.
8856 * tree-ssa-loop-manip.c: Include params.h.
8857 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8858 tree_unroll_loop): New functions.
8859 * tree-pass.h (pass_loop_prefetch): Declare.
8860 * loop.c (rest_of_handle_loop_optimize): Test for
8861 -fprefetch-loop-arrays-rtl.
8862 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8863 * timevar.def (TV_TREE_PREFETCH): New timevar.
8864 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8865 pass_loop_prefetch): New.
8866 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8867 (cleanup_tree_cfg_loop): Call scev_reset.
8868 * common.opt (fprefetch-loop-arrays-rtl): Add.
8869 * tree-ssa-loop-prefetch.c: New file.
8870 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8871 (new_temp_expr_table): Initialize expr_vars.
8872 (free_temp_expr_table): Cleanup expr_vars.
8873 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8874 expressions from being merged into one.
8875 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8876 (struct tree_niter_desc): Add control, bound and cmp fields.
8877 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8879 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8880 (tree-cfgcleanup.o): Add SCEV_H dependency.
8881 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8882 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8884 2006-02-14 Richard Guenther <rguenther@suse.de>
8886 PR tree-optimization/26258
8887 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8888 in PHI argument processing.
8890 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8892 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8893 new expression in the requested machine mode.
8895 2006-02-13 Roger Sayle <roger@eyesopen.com>
8897 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8898 directly, instead let do_compare_rtx_and_jump handle this for us.
8899 * expr.c (expand_expr_real_1): Likewise.
8900 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8901 before do_jump_by_parts_greater.
8902 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8903 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8905 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8907 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8909 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8911 PR rtl-optimization/26235
8912 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8913 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8916 2006-02-13 Jeff Law <law@redhat.com>
8918 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8921 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8924 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8925 twice if decl is a builtin. When trying again, call get_callee_fndecl
8926 first to verify it is still a builtin.
8928 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8930 * dwarf2out.c (base_type_die): Don't add AT_name here.
8931 (subrange_type_die): Don't add AT_name here.
8932 (modified_type_die): Rearrange code flow. Do add AT_name here.
8934 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8936 PR rtl-optimization/26247
8937 PR rtl-optimization/26248
8938 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8940 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8942 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8943 * config/fixtfdi.c: Likewise.
8944 * config/fixunstfdi.c: Likewise.
8945 * config/floatditf.c: Likewise.
8947 2006-02-13 Roger Sayle <roger@eyesopen.com>
8950 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8951 into (X,C2) if C1 is a subset of the bits of C2. Transform
8952 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8954 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8956 2006-02-13 Josh Conner <jconner@apple.com>
8959 * varasm.c (function_section): Check for section name before
8960 calling select_section on targets that define
8961 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8962 unlikely_text_section instead of hot_function_section if
8963 first_function_block_is_cold.
8965 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8968 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8970 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8972 PR rtl-optimization/26222
8973 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8974 after tree->rtl expansion.
8975 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8976 before passing it to emit_move_insn.
8978 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8980 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8982 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8983 Clarify documentation.
8984 * c-common.h (warn_write_strings): Remove.
8985 * c-common.c (warn_write_strings): Likewise.
8986 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8989 2006-02-12 Roger Sayle <roger@eyesopen.com>
8992 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8993 (do_jump_parts_zero_rtx): New function renamed from
8994 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8995 (do_jump_parts_equality_rtx): New function split out from
8996 do_jump_parts_equality. Old implementation renamed as above.
8997 Call do_jump_parts_zero_rtx if either operand is zero.
8998 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8999 do all of the heavy lifting.
9000 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9001 calling either do_jump_by_parts_greater_rtx or
9002 do_jump_by_parts_equality_rtx.
9003 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9004 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9005 moved to do_compare_rtx_and_jump, call it directly.
9006 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9007 mode argument. Call do_compare_rtx_and_jump.
9008 (emit_case_nodes): Update calls to do_jump_if_equal.
9010 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9012 PR rtl-optimization/26225
9013 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9015 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9017 PR rtl-optimization/26232
9018 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9020 2006-02-11 Jason Merrill <jason@redhat.com>
9023 * tree-inline.c (declare_return_variable): Just don't use the
9024 modify target if it's a gimple complex reg and the return slot
9027 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9029 * doc/contrib.texi: Update my entry.
9031 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9033 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9035 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9037 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9040 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9042 * doc/invoke.texi (-floop-optimize2): Removed.
9043 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9044 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9045 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9046 * common.opt (floop-optimize2): Removed.
9047 (fmove-loop-invariants): Enabled by default.
9049 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9051 * tree-if-conv.c (combine_blocks): Free the result of
9052 get_loop_exit_edges.
9054 2006-02-10 Jeff Law <law@redhat.com>
9056 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9058 PR tree-optimization/26213
9059 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9060 loop trying to follow SSA_NAME_VALUE chains.
9062 2006-02-10 Richard Guenther <rguenther@suse.de>
9064 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9065 deal with structures that end in implicitly variable sized arrays.
9067 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9069 PR rtl-optimization/24762
9070 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9073 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9075 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9076 (struct ivopts_data): Add regs_used field.
9077 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9078 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9079 instead of loop_data->regs_used;
9080 (free_loop_data): Do not free aux fields for loops.
9081 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9082 and tree_ssa_iv_optimize_finalize.
9084 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9086 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9088 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9091 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9092 computing the effective result type.
9094 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9097 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9098 (tree_overlaps_hard_reg_set): Declare.
9099 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9100 type and signature to match function type expected by walk_tree.
9101 (tree_overlaps_hard_reg_set): New function.
9102 (decl_conflicts_with_clobbers_p): Rename to:
9103 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9104 Use tree_overlaps_hard_reg_set. Changed caller.
9105 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9106 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9107 * cris.c (cris_md_asm_clobbers): Likewise.
9109 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9111 * reload1.c (emit_input_reload_insns): Delete code that tries to
9112 inherit using find_equiv_reg.
9114 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9116 * c-common.h (flag_const_strings): Don't declare.
9117 * c-common.c (flag_const_strings): Remove.
9118 * c.opt (fconst_strings): Remove.
9119 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9120 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9121 (c_common_init_options): Don't set flag_const_strings.
9122 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9124 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9126 * arm.md (tlobits_cbranch): New pattern.
9127 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9128 testing a single bit.
9130 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9133 * tree-ssa-pre.c (create_component_ref_by_pieces):
9134 Handle RETURN_DECL like VAR_DECL.
9136 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9139 * fold-const.c (fold_indirect_ref_1): Fold
9140 "*(foo *)&complexfoo" to "__real__ complexfoo"
9141 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9143 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9145 * tree-flow-inline.h (var_can_have_subvars):
9146 Volatile variables should not have subvariables.
9148 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9151 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9152 multiplying unsigned values.
9155 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9157 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9159 2006-02-08 Jason Merrill <jason@redhat.com>
9162 * tree.def: Elaborate on difference from MODIFY_EXPR.
9163 * doc/c-tree.texi (INIT_EXPR): Likewise.
9164 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9165 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9166 (gimplify_target_expr): Likewise.
9167 (gimplify_cond_expr): Remove target handling.
9168 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9169 (gimplify_expr): Clobber it here.
9170 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9171 Do return slot optimization if we have an INIT_EXPR.
9174 * tree-inline.c (declare_return_variable): Also clear
9175 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9178 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9181 * gimplify.c (gimplify_one_sizepos): Fix typo.
9183 2006-02-08 Jeff Law <law@redhat.com>
9185 PR tree-optimization/21417
9186 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9187 across a backedge if the control statement at the end of the
9188 block is data dependent on other statements in the same block.
9189 (record_temporary_equivalences_from_stmts): Remove over-conservative
9190 test for threading across backedges.
9192 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9193 control statement, handle all three special cases in the same
9194 manner as they all have the same desired solution. No longer
9195 special case edge flag updating when the post dominator is
9198 2006-02-08 Roger Sayle <roger@eyesopen.com>
9200 * tree.def (CHAR_TYPE): Remove.
9201 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9202 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9203 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9204 (gen_string_type_die): Delete unreachable function.
9206 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9207 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9208 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9209 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9210 * builtins.c (type_to_class): Likewise.
9211 * fold-const.c (fold_convert, build_range_check,
9212 merge_ranges): Likewise.
9213 * expr.c (count_type_elements): Likewise.
9214 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9215 * stor-layout.c (layout_type): Likewise.
9216 * ipa-type-escape.c (type_to_consider): Likewise.
9217 * gimplify.c (omp_firstprivatize_type_sizes,
9218 gimplify_type_sizes): Likewise.
9219 * explow.c (promote_mode): Likewise.
9220 * tree-sra.c (is_sra_scalar_type): Likewise.
9221 * varasm.c (output_constant): Likewise.
9222 * tree-inline.c (remap_type_1): Likewise.
9223 * convert.c (convert_to_pointer, convert_to_real,
9224 convert_to_integer, convert_to_complex): Likewise.
9226 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9228 * df-scan.c (df_def_record_1): A set destination may
9229 be a parallel regardless of mode.
9231 2006-02-08 Roger Sayle <roger@eyesopen.com>
9234 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9235 * config/mips/_tilib.c: Remove.
9236 * config/fixtfdi.c: New libgcc source file.
9237 * config/fixunstfdi.c: New source file.
9238 * config/floatditf.c: New source file.
9239 * config/floatunditf.c: New souce file.
9240 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9241 files above instead of config/mips/_tilib.c.
9242 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9244 2006-02-08 Jeff Law <law@redhat.com>
9246 PR tree-optimization/26169
9247 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9250 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9252 * df.h (DF_REG_SIZE): Return the length of the initialized
9255 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9257 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9258 __muldf3): Return a correctly signed zero.
9260 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9262 * passes.c (register_one_dump_file): Accept the current properties
9263 instead of pass number. Adjust call to dump_register. Remove
9265 (register_dump_files): Now a wrapper around...
9266 (register_dump_files_1): ... this one. Do not modify the pass
9268 (next_pass_1): Cosmetic fix.
9269 (execute_todo): Keep second parameter only. Use curr_properties
9270 instead of fetching it from the pass structure. Check and set
9272 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9273 instead of fetching it from the pass structure. Fix calls to
9274 execute_todo. Update curr_properties and initialize .vcg RTL dump
9275 after running the pass. Reset last_verified.
9276 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9278 (FIRST_AUTO_NUMBERED_DUMP): New.
9279 (dump_register): Remove "num" parameter, assign it within the
9281 (get_dump_file_name): Modify template for dumps.
9282 * tree-dump.h (dump_register): Adjust prototype.
9283 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9284 (PROP_trees): Add PROP_gimple_lomp.
9285 (TODO_set_props): New.
9286 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9287 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9288 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9290 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9292 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9293 (sparc64-*-linux*): Likewise.
9294 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9295 * config/sparc/t-linux: New file.
9296 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9297 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9298 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9299 -m32 -mlong-double-128.
9301 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9302 * config/alpha/t-linux: New file.
9303 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9305 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9306 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9307 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9308 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9309 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9310 (CPP_ARCH32_SPEC): Remove.
9312 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9314 PR tree-optimization/26145
9315 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9318 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9321 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9322 >= 240000 when generating code for SOM runtime.
9323 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9324 to $$dyncall when generating code for SOM runtime..
9326 2006-02-07 Dirk Mueller <dmueller@suse.com>
9329 * doc/invoke.texi (-Wsequence-point): Update documentation
9330 that -Wsequence-point is implemented for C++ as well.
9332 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9334 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9335 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9336 (LIB_SPEC): Likewise.
9337 * doc/invoke.texi (SPARC options): Document -pthread.
9339 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9341 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9344 2006-02-07 Roger Sayle <roger@eyesopen.com>
9346 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9347 Correct comment describing BOOLEAN_TYPE.
9349 2006-02-07 Dirk Mueller <dmueller@suse.com>
9351 * c.opt: C++ frontend supports -Wdiv-by-zero.
9352 * c-opts.c (c_common_handle_option): Remove dead case.
9354 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9356 * configure.ac (TLS assembler check): Do not enable TLS by
9357 default on SPARC/Solaris before version 10.
9358 * configure: Regenerate.
9360 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9362 * doc/invoke.texi (xl-compat): Document conversion and support
9365 2006-02-07 Jeff Law <law@redhat.com>
9367 * tree-vrp.c (find_conditional_asserts): Update comments.
9368 (simplify_stmt_for_jump_threading): New.
9369 (identify_jump_threads, finalize_jump_threads): New.
9370 (vrp_finalize): Call identify_jump_threads.
9371 (execute_vrp): Call finalize_jump_threads.
9372 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9373 (vrp_element, vrp_data, vrp_element_p): Remove.
9374 (vrp_hash_elt, vrp_variables_stack): Remove.
9375 (vrp_hash, vrp_eq, record_range): Remove.
9376 (simplify_cond_and_lookup_avail_expr): Remove.
9377 (extract_range_from_cond): Remove.
9378 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9379 (simplify_stmt_for_jump_threading): New.
9380 (dom_thread_across_edge): New wrapper.
9381 (tree_ssa_dominator_optimize): No longer initialize or
9382 finalize any of the VRP datastructures. Remove iteration
9383 step and simplify as a result of removal of iteration step.
9384 (pass_dominator): Perform a cfg cleanup after DOM.
9385 (dom_opt_finalize_block): Use the new common routines
9386 for threading jumps. Simplify stack management slightly.
9387 No longer need to unwind VRP state.
9388 (record_equivalences_from_incoming_edge): No longer record
9390 (eliminate_redundant_computations): No longer call
9391 simplify_cond_and_lookup_avail_expr.
9392 * tree-flow.h (potentially_threadable_block): Prototype.
9393 (thread_across_edge): Likewise.
9394 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9395 (tree-ssa-threadedge.o): Add dependencies.
9396 * tree-ssa-threadedge.c: New file.
9397 * passes.c (init_optimization_passes): Merge PHIs before
9398 calling VRP. Run VRP again late in the SSA optimization pipeline.
9400 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9402 * df-core.c (df_set_blocks): Do not dereference function pointers.
9403 (df_finish1): Likewise.
9404 (df_hybrid_search_forward): Likewise.
9405 (df_hybrid_search_backward): Likewise.
9406 (df_iterative_dataflow): Likewise.
9407 (df_analyze_problem): Likewise.
9408 (df_compact_blocks): Likewise.
9409 (df_dump): Likewise.
9410 * df-scan.c (df_rescan_blocks): Likewise.
9411 (df_record_entry_block_defs): Likewise.
9413 * genconditions.c (write_conditions): Guard the definition of
9414 'insn_conditions' with the check on GCC version.
9415 (write_writer): Guard the traversal 'insn_conditions' with
9416 the check on GCC version.
9418 2006-02-07 Richard Guenther <rguenther@suse.de>
9422 2006-01-30 Richard Guenther <rguenther@suse.de>
9424 * gimplify.c (gimplify_target_expr): Handle easy cases
9425 without creating a temporary.
9427 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9429 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9430 use of float in probability computations. Use edge probabilities
9431 in place of statically computed probabilities.
9432 (min_spec_prob): New static variable.
9433 (schedule_insns): Initialize it.
9434 (GET_SRC_PROB): Removed.
9435 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9437 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9440 * config/ia64/unwind-ia64.c: Revert last change.
9441 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9442 (INCOMING_FRAME_SP_OFFSET): Define.
9444 2006-02-06 Roger Sayle <roger@eyesopen.com>
9446 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9448 2006-02-07 Ben Elliston <bje@au.ibm.com>
9450 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9451 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9452 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9453 (ix86_return_in_memory): Handle TDmode.
9454 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9455 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9457 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9459 * reorg.c (dbr_schedule): Use dump_file instead of file.
9461 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9464 * config/ia64/predicates.md (extr_len_operand): New predicate.
9465 * config/ia64/ia64.md (extv): Tighten constraints.
9467 (*tbit_and_2): Ditto.
9468 (*tbit_and_3): Ditto.
9469 (*tbit_or_2): Ditto.
9470 (*tbit_or_3): Ditto.
9474 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9477 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9479 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9481 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9482 loop_optimizer_init and loop_optimizer_finalize
9483 * tree-ssa-sink.c (execute_sink_code): Ditto.
9484 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9485 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9486 tree_ssa_loop_done): Ditto.
9487 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9488 * sched-ebb.c: Include output.h.
9489 (schedule_ebbs): Do not use dump argument.
9490 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9491 * loop.c (loop_dump_stream): Removed.
9492 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9494 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9495 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9496 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9497 loop_iterations, strength_reduce, record_biv, record_giv,
9498 final_giv_value, check_final_value, check_ext_dependent_givs,
9499 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9500 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9501 dump_file instead of loop_dump_stream.
9502 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9504 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9506 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9507 * haifa-sched.c: Include output.h
9508 (schedule_insns, sched_init): Do not use dump argument.
9509 * mode-switching.c (optimize_mode_switching): Ditto.
9510 * modulo-sched.c (stats_file): Removed.
9511 (print_node_sched_params): Do not call argument dump_file.
9512 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9513 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9515 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9517 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9518 rtl_loop_init, rtl_loop_done): Ditto.
9519 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9520 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9522 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9523 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9524 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9525 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9526 * emit-rtl.c (renumber_insns): Ditto.
9527 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9528 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9529 * regclass.c (regclass): Ditto.
9530 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9531 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9532 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9533 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9535 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9536 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9538 * gcse.c (gcse_file, debug_stderr): Removed.
9539 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9540 rest_of_handle_gcse): Do not use dump argument.
9541 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9542 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9543 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9544 compute_code_hoist_vbeinout, compute_code_hoist_data,
9545 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9546 compute_store_table, build_store_vectors, insert_insn_start_bb,
9547 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9548 store_motion): Use dump_file instead of gcse_file.
9549 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9550 * profile.c (profile_dump_file): Removed.
9551 (branch_prob): Use dump_file instead of profile_dump_file.
9552 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9554 * tree-ssa-copy.c (dump_copy_of): Ditto.
9555 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9556 dump file to life_analysis.
9557 * bt-load.c (branch_target_load_optimize): Ditto.
9558 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9560 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9561 regclass, dbr_schedule): Declaration changed.
9562 * sched-int.h (sched_init): Declaration changed.
9563 * tree-profile.c (tree_profile_dump_file): Removed.
9564 (tree_profile_hooks): Removed profile_dump_file hook.
9565 * rtl-profile (rtl_profile_dump_file): Removed.
9566 (rtl_profile_hooks): emoved profile_dump_file hook.
9567 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9569 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9570 * tree-cfg.c (build_tree_cfg): Ditto.
9571 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9572 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9573 Declaration changed.
9574 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9575 life_analysis and schedule_insns.
9576 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9578 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9580 * config/mips/mips.c (mips_reorg): Ditto.
9581 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9584 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9586 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9587 (s390_mangle_fundamental_type): New.
9588 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9591 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9592 (alpha_mangle_fundamental_type): New.
9593 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9596 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9598 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9600 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9601 (sparc_mangle_fundamental_type): New.
9603 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9605 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9606 (s390x-*-linux*): Likewise.
9607 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9608 * config/s390/t-linux: New file.
9610 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9612 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9613 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9615 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9617 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9618 (ANTIC_SAFE_LOADS): New macro.
9619 (find_or_generate_expression): Add prototype.
9620 (set_contains_value): Allow null set for sake of not always having
9621 to allocate ANTIC_SAFE_LOADS.
9622 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9623 Allow COMPONENT_REF too.
9624 (valid_in_set): Allow COMPONENT_REF.
9625 Check ANTIC_SAFE_LOADS too.
9626 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9627 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9629 (can_PRE_operation): Add COMPONENT_REF.
9630 (create_component_ref_by_pieces): New function.
9631 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9632 (insert_aux): Move AGGREGATE_TYPE_P check here.
9633 (compute_avail): Set bb local stmt uids.
9634 (pass_pre): Use TODO_update_ssa_only_virtuals.
9636 2006-02-06 Ben Elliston <bje@au.ibm.com>
9638 * configure.ac: Unconditionally disable decimal float by default.
9639 * configure: Regenerate.
9641 2006-02-06 Ben Elliston <bje@au.ibm.com>
9643 * read-rtl.c (read_name): Terminate reading on EOF.
9645 2006-02-06 Ben Elliston <bje@au.ibm.com>
9647 * dfp.c (decimal_real_arithmetic): Change second argument type
9648 from int to enum tree_code. Do not always return true, but now
9649 return result of any call to decimal_do helper functions.
9650 * dfp.h (decimal_real_arithmetic): Update prototype.
9652 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9654 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9656 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9659 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9662 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9664 * tree-vrp.c (cfg_loops): Removed.
9665 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9666 Use current_loops instead of cfg_loops. Pass flags to
9667 loop_optimizer_init.
9668 * cfgloopmanip.c (fix_loop_structure): Update only available
9670 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9671 loop_optimizer_init.
9672 * modulo-sched.c (build_loops_structure): Removed.
9673 (sms_schedule): Use loop_optimizer_init.
9674 * loop-init.c (loop_optimizer_init): Use flags to determine
9675 which properties of loops to prepare.
9676 (rtl_loop_init): Pass flags to loop_optimizer_init.
9677 * tree-ssa-sink.c (execute_sink_code): Ditto.
9678 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9679 * tree-ssa-pre.c (init_pre): Ditto.
9680 * cfgloop.h (LOOPS_NORMAL): New.
9681 (loop_optimizer_init): Declaration changed.
9683 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9685 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9686 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9688 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9690 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9692 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9693 * pa/t-pa64: Delete quadlib.c rule.
9694 * pa/x-ada: Revert last change.
9695 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9697 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9699 PR rtl-optimization/26087
9700 * rtlanal.c (canonicalize_condition): Do not cross basic block
9703 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9706 * config/ia64/ia64.c: Include debug.h.
9707 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9708 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9709 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9710 (process_epilogue, process_set, process_for_unwind_directive):
9711 Output unwind info only if requested. Add CFA info if requested.
9712 Add new arguments as needed. Adjust callers.
9713 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9715 (DWARF2_FRAME_INFO): Define to zero.
9716 * config/ia64/unwind-ia64.c: Remove code that compensated for
9717 the CFA offset error fixed above.
9718 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9719 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9720 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9721 -funwind-tables and -fexceptions to enable frame info.
9722 (dwarf2out_frame_init): Define initial CFA even if
9723 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9724 DWARF2_UNWIND_INFO is nonzero, not just defined.
9725 (dwarf2out_frame_finish): Output non-EH call frame info only
9726 if DWARF2_FRAME_INFO is nonzero.
9727 (convert_cfa_to_loc_list,
9728 compute_frame_pointer_to_cfa_displacement): Define even if
9729 unwind info is not supported.
9730 (gen_subprogram_die): Use the above unconditionally. Remove
9731 legacy alternate code.
9732 * toplev.c (compile_file): Compile in call to
9733 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9734 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9736 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9737 Jakub Jelinek <jakub@redhat.com>
9739 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9740 IBM extended float format long double as "g" on powerpc*-linux.
9742 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9745 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9746 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9748 2006-02-03 Jason Merrill <jason@redhat.com>
9751 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9754 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9755 on the return slot if it's an NRV.
9757 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9759 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9760 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9761 rewrite_use): Do not handle USE_OUTER.
9762 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9763 add_iv_outer_candidates, may_replace_final_value,
9764 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9765 (find_interesting_uses_op): Functionality of
9766 find_interesting_uses_outer_or_nonlin moved here.
9767 (find_interesting_uses_outside): Use find_interesting_uses_op.
9769 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9772 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9774 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9775 Ulrich Weigand <uweigand@de.ibm.com>
9778 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9779 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9780 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9781 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9783 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9784 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9785 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9786 Define secondary reloads for TFmode moves.
9787 (constant_modes): Add TFmode.
9788 (NR_C_MODES): Set to 8.
9789 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9791 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9792 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9793 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9794 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9795 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9796 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9797 (FPR mode macro): Add TFmode.
9798 (DSF mode macro): New.
9799 (<de>, <dee> mode attributes): Removed.
9800 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9801 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9802 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9803 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9804 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9805 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9806 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9807 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9808 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9809 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9810 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9811 "*negabs<mode>2", "sqrt<mode>2"):
9812 Changed <de> to <xde>. R constraint replaced by <Rf>.
9813 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9815 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9816 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9817 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9819 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9820 "extenddftf2", "extendsftf2"): New expanders.
9821 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9822 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9823 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9824 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9826 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9827 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9828 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9829 __floatditf): Add a GCC_4.1.0 symbol version tag.
9830 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9833 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9836 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9837 Use targetm.binds_local_p instead of TREE_PUBLIC.
9839 2006-02-02 Roger Sayle <roger@eyesopen.com>
9841 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9842 on INTEGER_TYPEs to indicate that it denotes a character type.
9843 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9844 signed_char_type_node, unsigned_char_type_node and char_type_node.
9845 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9846 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9847 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9849 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9850 Daniel Berlin <dberlin@dberlin.org>
9852 * tree-tailcall.c (arg_needs_copy_p): New function.
9853 (eliminate_tail_call): Use arg_needs_copy_p.
9854 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9855 (add_virtual_phis): New function.
9857 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9859 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9860 #ignore instead of #scratch for %g7 .register directive.
9862 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9864 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9867 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9869 * flow.c (calculate_global_regs_live): Assert that there aren't any
9872 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9874 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9876 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9877 bsi_after_labels iterator.
9878 * tree-if-conv.c (find_phi_replacement_condition,
9879 replace_phi_with_cond_modify_expr): Likewise.
9880 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9881 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9883 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9885 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9887 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9890 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9891 array after growing it.
9893 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9896 * fold-const.c (fold_checksum_tree): Change type of buf.
9898 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9900 * reload.c (push_secondary_reload): Initialize t_icode.
9902 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9904 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9905 -msoft-float -mlong-double-128 only issue a warning, but don't
9906 swich to DFmode long double.
9908 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9910 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9911 has a constant equivalent, iterate over equivalents for arg0,
9912 calling simplify_relational_operation and if there's a result
9913 cheaper than X, apply fold_rtx and return the result.
9915 2006-02-01 Jan Hubicka <jh@suse.cz>
9917 * opts.c (no_unit_at_a_time_default): New global variable.
9918 (decode_options): Use it.
9919 * opts.h (no_unit_at_a_time_default): Declare.
9921 2006-02-01 Paul Brook <paul@codesourcery.com>
9923 * function.c (assign_parm_setup_reg): Use function argument promotion
9925 * expr.c (expand_expr_real_1): Use function argument promotion rules
9928 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9930 * gcc.c (process_command): Change j to 'unsigned int'.
9932 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9935 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9936 Use the corrected index for the character
9937 out of the string constant.
9939 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9941 * mode-switching.c (optimize_mode_switching): Fix size
9942 allocated for bb_info[n_entities].
9944 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9946 * gcc.c (main): Correct type that is allocated for
9947 explicit_link_files.
9949 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9951 * config/s390/s390.c (init_alignment_context): Set
9952 ALIAS_SET_MEMORY_BARRIER on the MEM.
9953 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9955 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9958 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9960 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9963 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9965 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9966 * regrename.c: Ditto.
9967 * tree-ssa-loop-im.c: Ditto.
9968 * tree-dump.c: Ditto.
9969 * tree-complex.c: Ditto.
9970 * genrecog.c: Ditto.
9971 * tree-ssa-threadupdate.c: Ditto.
9973 * java/class.c: Ditto.
9974 * java/jcf-parse.c: Ditto.
9975 * java/resource.c: Ditto.
9976 * java/except.c: Ditto.
9977 * java/jvspec.c: Ditto.
9978 * java/jcf-write.c: Ditto.
9979 * java/jcf-path.c: Ditto.
9980 * java/gjavah.c: Ditto.
9981 * java/zextract.c: Ditto.
9982 * java/jcf-io.c: Ditto.
9983 * java/jcf.h: Ditto.
9984 * java/buffer.c: Ditto.
9985 * java/lang.c: Ditto.
9986 * java/parse-scan.y: Ditto.
9987 * java/lex.c: Ditto.
9988 * java/lex.h: Ditto.
9989 * cfgloopmanip.c: Ditto.
9990 * postreload-gcse.c: Ditto.
9991 * tree-ssa-loop-manip.c: Ditto.
9992 * postreload.c: Ditto.
9993 * tree-ssa-loop-ch.c: Ditto.
9997 * diagnostic.c: Ditto.
9999 * genoutput.c: Ditto.
10001 * cfghooks.c: Ditto.
10002 * cfgloopanal.c: Ditto.
10003 * objc/objc-act.c: Ditto.
10005 * genextract.c: Ditto.
10006 * genautomata.c: Ditto.
10007 * pretty-print.c: Ditto.
10008 * genemit.c: Ditto.
10009 * cgraphunit.c: Ditto.
10011 * df-scan.c: Ditto.
10012 * haifa-sched.c: Ditto.
10013 * dominance.c: Ditto.
10015 * tree-ssa-loop-ivopts.c: Ditto.
10016 * df-core.c: Ditto.
10017 * mode-switching.c: Ditto.
10018 * modulo-sched.c: Ditto.
10020 * ipa-pure-const.c: Ditto.
10022 * fix-header.c: Ditto.
10024 * tree-stdarg.c: Ditto.
10025 * ipa-utils.c: Ditto.
10026 * loop-init.c: Ditto.
10027 * ipa-inline.c: Ditto.
10028 * cfganal.c: Ditto.
10030 * alloc-pool.c: Ditto.
10031 * dwarf2out.c: Ditto.
10033 * genattrtab.c: Ditto.
10034 * tree-ssa-loop-ivcanon.c: Ditto.
10035 * predict.c: Ditto.
10036 * timevar.c: Ditto.
10038 * fortran/gfortranspec.c: Ditto.
10039 * regmove.c: Ditto.
10040 * local-alloc.c: Ditto.
10041 * langhooks.c: Ditto.
10042 * function.c: Ditto.
10043 * tree-vectorizer.c: Ditto.
10045 * ipa-type-escape.c: Ditto.
10047 * tree-if-conv.c: Ditto.
10048 * profile.c: Ditto.
10050 * tree-data-ref.c: Ditto.
10051 * loop-unroll.c: Ditto.
10052 * treelang/treetree.c: Ditto.
10054 * bt-load.c: Ditto.
10055 * ggc-common.c: Ditto.
10057 * coverage.c: Ditto.
10059 * tree-cfgcleanup.c: Ditto.
10060 * tree-ssa-pre.c: Ditto.
10061 * cfgcleanup.c: Ditto.
10062 * loop-invariant.c: Ditto.
10063 * loop-iv.c: Ditto.
10064 * ipa-prop.c: Ditto.
10065 * print-tree.c: Ditto.
10066 * conflict.c: Ditto.
10067 * ggc-page.c: Ditto.
10068 * sched-deps.c: Ditto.
10069 * regclass.c: Ditto.
10070 * tree-object-size.c: Ditto.
10071 * combine.c: Ditto.
10072 * bb-reorder.c: Ditto.
10073 * resource.c: Ditto.
10074 * var-tracking.c: Ditto.
10075 * cfgloop.c: Ditto.
10076 * df-problems.c: Ditto.
10077 * reg-stack.c: Ditto.
10079 * gccspec.c: Ditto.
10080 * sched-rgn.c: Ditto.
10081 * tree-ssa-structalias.c: Ditto.
10082 * tree-ssa-reassoc.c: Ditto.
10083 * config/darwin-c.c: Ditto.
10084 * config/darwin.c: Ditto.
10085 * config/arm/arm.c: Ditto.
10087 * collect2.c: Ditto.
10088 * reload1.c: Ditto.
10090 2006-01-31 Nicolas Pitre <nico@cam.org>
10092 * arm.md (smaxsi3): Make aware of smax_m1.
10095 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10097 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10099 2006-01-31 Richard Guenther <rguenther@suse.de>
10101 * doc/invoke.texi (-msselibm): Document.
10102 * target.h (expand_library_builtin): New target hook.
10103 * builtins.c (expand_builtin): Use expand_library_builtin.
10104 (default_expand_library_builtin): New function.
10105 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10106 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10107 (link_gcc_math_spec): Declare.
10108 (static_specs): Add link_gcc_math_spec.
10109 * expr.h (default_expand_library_builtin): Declare.
10110 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10111 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10112 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10113 * config/i386/i386.opt (msselibm): New target option.
10114 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10115 (ix86_init_sse_abi_builtins): New function.
10116 (ix86_expand_library_builtin): Likewise.
10117 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10118 (override_options): Handle error conditions wrt -msselibm.
10119 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10120 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10121 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10124 2006-01-31 Richard Guenther <rguenther@suse.de>
10125 Paolo Bonzini <bonzini@gnu.org>
10127 * doc/install.texi (--disable-libgcc-math): Document.
10129 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10131 * expr.h (expand_normal): new inline function.
10132 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10133 * dojump.c: use it.
10134 * dwarf2out.c: use it.
10137 * expmed.c: use it.
10138 * except.c: use it.
10139 * config/sparc/sparc.c: use it.
10140 * config/i386/i386.c: use it.
10141 * config/rs6000/rs6000.c: use it.
10142 * config/arm/arm.c: use it.
10143 * config/mips/mips.c: use it.
10144 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10146 2006-01-30 Roger Sayle <roger@eyesopen.com>
10148 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10149 argv to the appropriate type.
10151 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10153 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10156 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10159 * config/s390/s390.c (struct machine_function): New flag
10160 decomposed_literal_pool_addresses_ok_p.
10161 (s390_reorg): Set it before final stage of literal pool transforms.
10162 (s390_decompose_address): Only accept displacements of the form
10163 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10165 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10167 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10168 the comparison routine return.
10170 2006-01-30 Michael Matz <matz@suse.de>
10172 * global.c (find_reg): Only evict for global regs.
10173 Take n_refs into account and dump more info.
10175 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10178 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10179 (pragma_trap, pragma_nosave_low_regs): Likewise.
10180 (current_function_anonymous_args): Likewise.
10181 (sh_deferred_function_attributes): New variable.
10182 (sh_deferred_function_attributes_tail): Likewise.
10183 (print_operand): For '@', look up trap_exit attribute.
10184 (calc_live_regs): Look up trapa_handler attribute. For trapa
10185 handlers, save/restore fpscr, but don't do any other
10186 interrupt-specific saves.
10187 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10188 Fix check for partially saved registers to check for SHmedia.
10189 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10190 (sh_output_function_epilogue): Don't clear any of the removed
10192 (sh_insert_attributes): Don't check pragma_interrupt.
10193 Insert deferred attributes. Check that interrupt attribute is
10194 present for other attributes that require its presence.
10195 (sh_attribute_table): Add new attributes trapa_handler and
10197 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10198 Don't check for pragma_interrupt. Don't store argument.
10199 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10200 (sh_deferred_function_attributes): Declare.
10201 (sh_deferred_function_attributes_tail): Likewise.
10202 * sh.md (sp_switch_1): Add operand. Change generator caller.
10203 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10204 (*return_i): Don't use when trap_exit attribute is in effect.
10205 (*return_trapa): New insn pattern.
10206 * sh-c.c: New file.
10207 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10208 setting c_target_objs and cxx_target_objs.
10209 * t-sh: Add rule for sh-c.o.
10211 2006-01-30 Richard Guenther <rguenther@suse.de>
10214 * gimplify.c (gimplify_target_expr): Handle easy cases
10215 without creating a temporary.
10217 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10219 * vec.h (safe_grow): Remove duplicated line.
10221 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10224 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10225 (expand_omp): ... here.
10226 (expand_omp_parallel): Only remove barriers for combined
10227 parallel+workshare constructs.
10229 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10233 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10234 * tree.c (build_qualified_type): Chain the new type to the original
10235 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10236 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10237 (build_pointer_type_for_mode): Only return unqualified types.
10238 (build_reference_type_for_mode): Likewise.
10240 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10242 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10243 * Makefile.in (CXX_COMPAT_WARN): Define.
10244 * configure: Regenerate.
10246 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10249 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10252 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10254 * toplev.c: Fix thinko.
10256 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10257 Marcin Dalecki <martin@dalecki.de>
10259 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10260 (push_srcloc): Use XNEW.
10261 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10263 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10265 * df-core.c (df_set_blocks): Deleted all variable.
10267 2006-01-28 Ian Lance Taylor <ian@airs.com>
10269 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10270 cgraph_output_pending_asms.
10272 2006-01-28 Zack Weinberg <zackw@panix.com>
10274 * c.opt: Add -W(no-)overlength-strings.
10275 * doc/invoke.texi: Document it.
10276 * c-opts.c (c_common_handle_option): -pedantic implies
10277 -Woverlength-strings, if not explicitly disabled already.
10278 (c_common_post_options): -Woverlength-strings defaults to off, and
10279 is always off for C++.
10280 * c-common.c (fix_string_type): Issue warning about strings longer
10281 than is portable only if warn_overlength_strings. Rearrange code
10282 a little for clarity.
10283 * configure.in: Check for -Wno-overlength-strings as well before
10284 enabling -pedantic in stage 1.
10285 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10286 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10288 * genconditions.c (write_header, write_one_condition)
10289 (write_conditions, write_writer): Consolidate very long strings
10290 that were broken up to fit in C89 portable limit. Don't use
10291 printf when fputs will do.
10293 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10295 * combine.c (simplify_comparison <AND>): Check
10296 TRULY_NOOP_TRUNCATION before start using a subreg.
10298 * config/mips/mips.md (*branch_zero<mode>,
10299 *branch_zero<mode>_inverted, *branch_equality<mode>,
10300 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10301 Remove mode check from comparisons.
10303 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10305 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10307 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10309 * expmed.c (const_mult_add_overflow_p): Remove.
10310 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10312 * recog.c (validate_replace_rtx_subexp): Remove.
10313 * recog.h: Remove the prototype for
10314 validate_replace_rtx_subexp.
10316 * integrate.h: Remove the prototype for
10317 copy_decl_for_inlining.
10318 * rtl.h: Remove the prototype for mark_constant_function.
10319 * tree-vectorizer.h: Remove the prototype for
10320 vect_strip_conversion.
10322 * modulo-sched.c (create_partial_schedule,
10323 free_partial_schedule, reset_partial_schedule): Make them
10326 * hooks.c (hook_bool_rtx_int_false): Remove.
10327 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10329 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10331 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10332 and -mlong-double-128 are incompatible.
10333 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10334 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10335 (TARGET_LIBGCC2_CFLAGS): Define.
10336 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10337 (TARGET_LIBGCC2_CFLAGS): Same.
10338 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10340 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10343 * c-typeck.c (build_binary_op): Perform implicit casts of
10344 operands before shortening them.
10346 * cfgloopmanip.c (split_loop_bb): Remove.
10347 * cfgloop.h: Remove the prototype for split_loop_bb.
10349 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10350 * cfgloop.h: Remove the prototype for
10351 flow_loop_outside_edge_p.
10353 * emit-rtl.c (init_virtual_regs): Make it static.
10354 * function.h: Remove the prototype for init_virtual_regs.
10356 * recog.c (peephole2_optimize): Make it static.
10357 * recog.h: Remove the prototype for peephole2_optimize.
10359 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10361 * df-scan.c (df_record_entry_block_defs): Check if
10362 INCOMING_RETURN_ADDR_RTX is defined.
10364 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10365 Kenneth Zadeck <zadeck@naturalbridge.com>
10367 PR rtl-optimization/24762
10368 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10369 * targhooks.c (hook_void_bitmap): New hook prototype.
10370 * targhoohs.h (hook_void_bitmap): Ditto.
10371 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10372 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10373 * target.h (live_on_entry): New function pointer.
10374 * df-scan.c (df_all_hard_regs): Removed.
10375 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10376 (df_scan_free_internal): Added df->entry_block_defs.
10377 (df_scan_alloc): Ditto.
10378 (df_scan_dump): Ditto.
10379 (df_uses_record): Plumbed flag field properly thru calls.
10380 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10381 This part fixes PR24762.
10382 (df_bb_refs_record): Added code to make the frame and arg
10383 pointers live in EH blocks.
10384 (df_refs_record): Added call to df_record_entry_block_defs.
10385 (df_record_entry_block_defs): New function.
10386 * df-core.c: Added comments to describe new artifical defs.
10387 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10388 (entry_block_defs): New field in struct df.
10389 (df_all_hard_regs): Deleted.
10390 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10391 * df-problems.c (df_ru_bb_local_compute_process_def):
10392 Added code to handle artifical defs in the entry to a function.
10393 (df_ru_bb_local_compute): Ditto.
10394 (df_rd_bb_local_compute_process_def): Ditto.
10395 (df_rd_bb_local_compute): Ditto.
10396 (df_lr_bb_local_compute): Ditto.
10397 (df_ur_bb_local_compute): Ditto.
10398 (df_urec_bb_local_compute): Ditto.
10399 (df_chain_create_bb): Ditto.
10400 (df_ur_local_finalize): Removed entry.
10401 (df_urec_init): Ditto.
10402 (df_urec_local_finalize): Ditto.
10403 (df_ri_bb_compute): Added detection of last use of pseudos.
10404 * Makefile.in (df-scan.o): Updated dependencies.
10405 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10406 * config/mips/mips.c (mips_set_live_on_entry): Added.
10407 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10409 * dce.c (marked_insn_p): Added code to handle artifical defs.
10411 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10413 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10415 (_mm_cvtsi128_si64): Likewise.
10416 (_mm_cvtsd_si64): Likewise.
10417 (_mm_cvttsd_si64): Likewise.
10418 (_mm_cvtsi64_sd): Likewise.
10419 (_mm_cvtsi64_si128): Likewise.
10420 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10421 (_mm_cvtsi64_m64): Likewise.
10422 (_m_to_int64): Likewise.
10423 (_mm_cvtm64_si64): Likewise.
10424 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10425 (_mm_cvttss_si64): Likewise.
10426 (_mm_cvtsi64_ss): Likewise.
10427 (_mm_cvtss_f32): Likewise.
10429 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10431 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10432 for pragma redefine_extname.
10434 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10437 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10438 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10439 -mno-minimal-toc to previous content.
10440 (bispecs): Remove goal.
10441 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10442 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10443 compatibility aliases on powerpc-*-*gnu*.
10444 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10445 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10446 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10447 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10448 (ldblspecs): New goal.
10449 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10450 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10452 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10453 L_sf_to_tf or L_df_to_tf is defined.
10455 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10456 Alan Modra <amodra@bigpond.net.au>
10459 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10460 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10461 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10462 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10463 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10464 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10465 (rs6000_override_options): Initialize rs6000_ieeequad.
10466 Initialize TFmode format to ibm_extended_format if not
10468 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10470 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10471 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10472 (function_arg_advance): IBM long double passed in two FPRs, not
10474 (function_arg): IBM long double passed in FPRs.
10475 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10476 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10477 Only multireg GPR aligned.
10478 (rs6000_init_libfuncs): Enable IBM long double functions if not
10480 (rs6000_generate_compare): Use IBM long double compare if not
10482 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10483 (TARGET_IEEEQUAD): Define.
10484 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10485 not TARGET_IEEEQUAD.
10486 * config/rs6000/rs6000.md: Enable TFmode patterns if
10488 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10489 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10490 and -mlong-double-128 are incompatible.
10491 * doc/invoke.texi (-mabi): Collect options together. Add
10492 ibmlongdouble and ieeelongdouble.
10494 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10496 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10498 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10499 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10500 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10501 * rtl.h (rtunion_def): Remove rt_ptr.
10503 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10504 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10505 * config/i386/winnt.c (i386_pe_mark_dllexport)
10506 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10508 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10510 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10512 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10516 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10517 pthread_key_delete. From John David Anglin. gthrw-ify
10518 pthread_getunique_np only if it it's not a macro. Delete
10520 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10521 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10522 __gthread_objc_condition_signal, __gthread_key_delete): Add
10523 "__attribute__ ((__unused__))" to unused arguments.
10524 (__gthread_recursive_mutex_init_function): Add missing return.
10525 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10526 gthr-posix95.h: Use macro-based approach for name redirection
10527 on targets missing weakref.
10529 2006-01-26 Zack Weinberg <zackw@panix.com>
10531 * genconditions.c (write_header): In generated code, #ifdef out
10532 all includes and fake declarations, except includes of bconfig.h
10533 and system.h, unless GCC_VERSION >= 3001. Do not include
10534 gensupport.h in any case.
10535 (write_conditions): Generate a definition of struct c_test. Add
10536 a comment to the generated #endif.
10537 (write_one_condition): Escape backslashes in string too.
10538 (write_writer): Generated code must escape backslashes and quote
10539 marks (but not newlines) in the strings it writes.
10540 * Makefile.in (build/gencondmd.o): Update dependencies.
10542 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10545 * Makefile.in (insn-automata.o): Add header file dependencies.
10546 * genautomata.c: Add includes.
10548 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10551 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10553 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10555 * configure.ac: Expect target tools paths to be passed from the toplevel
10556 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10558 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10560 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10563 * c.opt (Wpointer-sign): Init to -1.
10564 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10565 OPT_pedantic, to 0 otherwise.
10566 * doc/invoke.texi: Update.
10568 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10570 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10571 constants provided by 80387 instructions in the destination mode.
10573 2006-01-26 Richard Guenther <rguenther@suse.de>
10574 Andrew Pinski <pinskia@physics.uc.edu>
10577 partial PR tree-opt/17064
10578 * tree-ssa-structalias.c (intra_create_variable_infos):
10579 Create heap variables for incoming parameters if
10580 flag_argument_noalias > 1.
10581 (find_what_p_points_to): Look through default defs of
10584 2006-01-26 Jeff Law <law@redhat.com>
10587 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10588 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10589 within the VR_RANGE, use the VR_RANGE as the result, not the
10591 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10592 bounds for the type.
10594 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10596 * tree-ssa-alias.c (maybe_create_global_var): Change
10597 subvar walking to an assertion that we don't have subvar'd variables.
10599 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10602 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10603 Use a new variable, inner. PARM_DECLs are always non-weak.
10605 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10607 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10608 --disable-checking.
10610 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10612 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10614 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10616 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10617 (smax_insn, smin_insn, smax_0, smin_0): New.
10619 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10622 * config/cris/cris.c (cris_order_for_addsi3): New function.
10623 * config/cris/cris-protos.h: Prototype it.
10624 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10625 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10626 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10627 (split for "op.S1 [rx=rx+i],ry (swapped)")
10628 (split for "op(s|u).S1 [rx=rx+i],ry")
10629 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10630 Apply cris_order_for_addsi3 when generating addsi3 insns.
10632 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10634 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10635 (TREE_BLOCK): Add call to EXPR_CHECK.
10637 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10640 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10641 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10642 (dump_omp_clauses): ... here.
10643 (dump_generic_node): Handle OMP_CLAUSE.
10644 * tree.c (omp_clause_num_ops): New.
10645 (omp_clause_code_name): New.
10646 (tree_code_size): Handle OMP_CLAUSE.
10647 (tree_size): Likewise.
10648 (make_node): Document handling of OMP_CLAUSE.
10649 (tree_node_structure): Handle OMP_CLAUSE.
10650 (omp_clause_check_failed): New.
10651 (omp_clause_range_check_failed): New.
10652 (omp_clause_operand_check_failed): New.
10653 (build_omp_clause): New.
10654 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10655 * tree.h (enum omp_clause_code): Declare.
10656 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10657 (OMP_CLAUSE_RANGE_CHECK): Define.
10658 (OMP_CLAUSE_ELT_CHECK): Define.
10659 (omp_clause_check_failed): Declare.
10660 (omp_clause_operand_check_failed): Declare.
10661 (omp_clause_range_check_failed): Declare.
10662 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10663 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10664 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10665 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10666 (OMP_CLAUSE_IF_EXPR): Likewise.
10667 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10668 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10669 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10670 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10671 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10672 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10673 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10674 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10675 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10676 (OMP_CLAUSE_CODE): Define.
10677 (OMP_CLAUSE_SET_CODE): Define.
10678 (OMP_CLAUSE_CODE): Define.
10679 (OMP_CLAUSE_OPERAND): Define.
10680 (struct tree_omp_clause): Declare.
10681 (union tree_node): Add field 'omp_clause'.
10682 * treestruct.def (TS_OMP_CLAUSE): Define.
10683 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10684 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10685 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10686 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10687 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10688 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10689 (OMP_CLAUSE): Define.
10690 * print-tree.c (print_node): Handle OMP_CLAUSE.
10691 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10692 * c-typeck.c: Likewise.
10693 * gimplify.c: Likewise.
10694 * c-omp.c: Likewise.
10695 * tree-nested.c: Likewise.
10696 * tree-inline.c: Likewise.
10697 * c-parser.c: Likewise.
10698 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10701 2006-01-25 Roger Sayle <roger@eyesopen.com>
10703 PR rtl-optimization/25703
10704 * combine.c (try_combine): Handle zero_extract and strict_low_part
10705 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10707 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10709 * global.c: Fix comment typos.
10711 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10714 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10715 Use output_addr_const instead of assemble_name.
10717 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10719 * Makefile.in (sched-vis.o): Update dependencies.
10720 * haifa-sched.c (sched_finish): Clear current_sched_info.
10721 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10722 (dump_flow_info): Call it.
10723 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10725 * basic-block.h (dump_bb_info): Declare.
10726 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10727 option, and apply options only for dump files whose TDF_RTL,
10728 TDF_TREE, or TDF_IPA bits match.
10729 * rtl.h: Declare new functions exported from sched-vis.c.
10730 * sched-vis.c: Enable also if scheduling is not used.
10731 (print_value): Print the mode of registers if not inside scheduling.
10732 (print_insn): Make it work outside the scheduler. Beautify the output
10734 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10736 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10738 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10739 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10740 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10741 depending on the value of CONSTANT_POOL_ADDRESS_P.
10742 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10744 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10745 rather than SYMBOL_REF_DECL.
10746 (rtx_constant_pool): Remove const_rtx_sym_htab.
10747 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10748 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10749 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10750 Remove handling of const_rtx_sym_htab.
10751 (find_pool_constant): Delete.
10752 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10753 rather than find_pool_constant.
10754 (get_pool_constant_for_function): Delete.
10755 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10756 find_pool_constant.
10757 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10758 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10759 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10760 (SYMBOL_REF_CONSTANT): New macro.
10761 (get_pool_constant_for_function): Delete.
10762 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10763 rather than SYMBOL_REF_DECL.
10764 (i386_pe_mark_dllimport): Likewise.
10765 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10766 rather than SYMBOL_REF_DECL.
10767 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10768 (machopic_indirect_call_target): Likewise.
10770 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10772 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10774 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10776 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10778 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10780 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10782 2006-01-24 David Daney <ddaney@avtrex.com>
10785 * configure.ac (enable_tls): New enable option.
10786 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10787 * configure: Regenerate.
10788 * doc/install.texi (--enable-tls): Document new option.
10789 (--disable-tls): Ditto.
10791 2006-01-24 Richard Henderson <rth@redehat.com>
10793 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10794 * alias.c (true_dependence): Respect it.
10795 (canon_true_dependence, write_dependence_p): Likewise.
10796 * builtins.c (get_builtin_sync_mem): Set it.
10798 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10800 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10803 2006-01-24 DJ Delorie <dj@redhat.com>
10805 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10806 for storing constants in single-bit bitfields.
10808 2006-01-25 Ben Elliston <bje@au.ibm.com>
10810 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10812 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10815 * tree-ssa-pre.c (phi_translate): Return NULL
10816 for AGGREGATE_TYPE's.
10818 2006-01-24 Zack Weinberg <zackw@panix.com>
10820 * genautomata.c (process_state_for_insn_equiv_partition):
10821 Use xcalloc for insn_arcs_array.
10822 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10823 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10825 2006-01-24 Richard Henderson <rth@redhat.com>
10827 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10828 update all callers.
10830 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10832 PR rtl-optimization/25890
10833 PR rtl-optimization/25905
10834 * combine.c (expand_compound_operation, expand_field_assignment):
10835 Fail if the bitfield's final position is out of bounds.
10837 2006-01-24 Ian Lance Taylor <ian@airs.com>
10839 PR middle-end/25930
10840 * cgraphunit.c (cgraph_output_in_order): Don't clear
10841 cgraph_asm_nodes until after asm strings have been output.
10843 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10845 * fix-header.c (read_scan_file): Add new parameter imultilib when
10846 calling register_include_chains.
10848 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10850 * omp-low.c: Update documentation.
10852 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10853 Daniel Berlin <dberlin@dberlin.org>
10857 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10858 return from the function.
10860 2006-01-22 Zack Weinberg <zackw@panix.com>
10862 * rtl.def (match_code): Add second argument.
10863 * genpreds.c (write_extract_subexp): New function.
10864 (write_match_code): Add path argument. Use write_extract_subexp.
10865 (write_predicate_expr): Pass path to write_match_code.
10866 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10867 not perform a mode test.
10868 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10869 a subexpression does not constrain the top-level code set.
10870 * read-rtl.c (read_rtx_variadic): New function.
10871 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10872 * doc/md.texi: Document new notation.
10873 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10874 (cmpsi_operand): ... here, using new notation.
10876 2006-01-22 Zack Weinberg <zackw@panix.com>
10878 * varray.c: Remove GENERATOR_FILE #ifdefs.
10880 2006-01-22 Zack Weinberg <zackw@panix.com>
10882 * genautomata.c (output_reserved_units_table): Emit nothing if
10883 description->query_units_num is zero. Remove extra blank line.
10884 (output_cpu_unit_reservation_p): Short circuit
10885 if description->query_units_num is zero.
10887 2006-01-22 Zack Weinberg <zackw@panix.com>
10889 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10890 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10891 nor any of the random handful of variables that used to be necessary
10892 when this program was linked with rtlanal.o. Prune set of forward
10893 function declarations.
10894 (struct attr_desc): Remove static_p field.
10895 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10896 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10897 (attr_string): Do not read the character one past the length of
10899 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10900 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10901 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10902 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10903 (make_automaton_attrs): New.
10904 (main): Do not call into genautomata. Call local gen_bypass
10905 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10906 Remove special case for insn_alts.
10907 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10908 varray.h (leftover from previous change). Prune set of forward
10909 function declarations. Remove state_alts fields from all
10910 structures. Remove state_alts_table from struct automaton.
10911 Make everything except main static. Do not maintain num_dfa_decls.
10912 Do not maintain state_alts fields of various structures.
10913 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10914 (add_arc): Remove state_alts argument. All callers updated.
10915 (output_reserved_units_table): Emit #ifdef here...
10916 (output_tables): ...not here. Don't generate state_alts tables.
10917 (expand_automata): Don't generate attributes.
10918 (write_automata): Don't generate state_alts functions.
10919 (main): New function.
10920 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10921 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10922 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10923 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10924 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10925 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10926 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10927 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10929 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10930 * genattrtab.h: Delete file.
10931 * Makefile.in (OBJS-common): Add insn-automata.o.
10932 (insn-automata.o): New rule.
10933 (simple_generated_c): Add insn-automata.c.
10934 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10935 (genprogmd): Add automata.
10936 (build/genattrtab): Needs no extra objects nor libraries.
10937 (build/genautomata): Needs build/vec.o and -lm.
10939 2006-01-22 Zack Weinberg <zackw@panix.com>
10941 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10942 (output_dfa_max_issue_rate, locked_states_num): Delete.
10943 (struct automaton): Add locked_states field.
10944 (output_dead_lock_vect): Save number of locked states in
10945 automaton->locked_states. If it is zero, don't print anything.
10946 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10947 (output_internal_dead_lock_func): Only test the dead_lock_vect
10948 for automata that have locked states.
10949 (output_statistics): Always print the number of locked states for
10950 each automaton. Calculate total number of locked states here.
10951 (write_automata): Don't call output_dfa_max_issue_rate.
10952 * genattrtab.c: Define length_unit_log as a const variable.
10953 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10954 max_insn_queue_index const.
10955 * final.c (length_unit_log): Declare const.
10956 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10958 2006-01-22 Zack Weinberg <zackw@panix.com>
10960 * genautomata.c: Include vec.h, not varray.h.
10961 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10962 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10963 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10964 VEC_* macros operating on appropriately typed vectors, or to
10965 malloced arrays when the size is known in advance. Const-ify
10966 many char* variables and function arguments. No functional changes.
10967 * Makefile.in (build/varray.o): Delete rule.
10968 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10969 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10971 2006-01-22 Zack Weinberg <zackw@panix.com>
10973 * gensupport.c: Define get_insn_name and record_insn_name here.
10974 (read_md_rtx): Call record_insn_name as appropriate.
10975 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10976 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10977 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10979 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10980 (BUILD_VARRAY): Delete.
10981 (genprognormal): Rename genprogmd. Fold in all programs from
10982 genprognoprint; also attrtab.
10983 (build/genattrtab): Just mention genautomata.o and varray.o.
10984 Reorganize a bit, add comments to make the categories clearer.
10986 2006-01-22 Zack Weinberg <zackw@panix.com>
10988 * genconditions.c (condition_table, add_condition): Delete.
10989 (write_conditions): Don't emit n_insn_conditions nor
10990 insn_elision_unavailable. Issue the gcc version #ifdef here,
10991 inside the table, with no #else clause ...
10992 (write_header): ...not here.
10993 (write_writer): New function.
10994 (main): Don't initialize condition_table. Use add_c_test.
10996 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10997 files on the command line.
10998 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10999 Return -1 if there is no entry in the table, don't abort.
11000 (add_c_test, traverse_c_tests): New functions.
11001 * gensupport.h (insn_elision_unavailable, insn_conditions)
11002 (n_insn_conditions): Delete declarations.
11003 (add_c_test, traverse_c_tests): Declare.
11004 * read-rtl.c: Include gensupport.h.
11005 (read_conditions): New function.
11006 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11007 (read_rtx_1): If we get EOF when we were looking for an initial
11008 open paren, return 0. Call read_conditions when appropriate.
11009 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11010 dummy-conditions.o. Eliminate references to insn-conditions.o,
11011 or change them to build/gencondmd.o, as appropriate. Remove
11012 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11013 from $(simple_generated_c). For all files remaining in those
11014 two lists, add insn-conditions.md to the generator command line.
11015 Give insn-constants.h/s-constants their own rules. Add rules
11016 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11017 (build/read-rtl.o): Depend on gensupport.h.
11018 (genprognormal): Include preds.
11019 (genprogearly): Rename genprognoprint; only difference is now that
11020 they don't link with $(BUILD_PRINT).
11021 * dummy-conditions.c: Delete.
11023 2006-01-22 Zack Weinberg <zackw@panix.com>
11025 * genextract.c: Don't include insn-config.h. Do include vec.h.
11026 Declare vectors of int, char, and locstr.
11027 (locstr): New typedef.
11028 (struct extraction): Make all array fields into bare pointers.
11029 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11030 (insn_code_number): Delete.
11031 (accum_extract): New struct.
11032 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11033 (gen_insn): Take insn_code_number as an argument. Use an
11034 accum_extract structure instead of loading data directly into
11035 a struct extraction, and having to know how big it might get.
11036 (walk_rtx): Operate entirely on an accum_extract structure.
11037 (print_path): Avoid unnecessary use of printf.
11038 (print_header): New function, split out of main. Distinguish
11039 more carefully between an unrecognizable insn and an insn that
11040 has the code number of a define_expand.
11041 (main): Pass insn_code_number to gen_insn. Call print_header
11042 only after parsing. Avoid unnecessary use of printf.
11043 * Makefile.in (build/vec.o): New rule.
11044 (build/genextract): Depend on build/vec.o.
11045 (build/genextract.o): Don't depend on insn-config.h.
11047 2006-01-22 Zack Weinberg <zackw@panix.com>
11049 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11050 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11051 practical. Eliminate per-generator-program link rules.
11053 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11055 PR middle-end/24437
11056 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11057 with a call expr to ...
11058 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11060 2006-01-23 Richard Guenther <rguenther@suse.de>
11062 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11063 before make_edge with conditional EDGE_TRUE_VALUE.
11065 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11066 Jan Hubicka <jh@suse.cz>
11067 Richard Guenther <rguenther@suse.de>
11069 PR rtl-optimization/25654
11070 * cfgexpand.c (aggregate_contains_union_type): New function.
11071 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11072 for structure variables that contain a union type.
11074 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11076 * gengtype.c (new_structure): Return the structure.
11077 (create_option): Add an extra "next" argument.
11078 (create_field): New function.
11079 (adjust_field_rtx_def): Use create_option and create_field.
11080 Remove a now-unnecessary call to find_structure.
11081 (adjust_field_tree_def): Likewise.
11082 (note_yacc_type): Remove an unnecessary call to find_structure.
11083 * gengtype.h (new_structure): Return the structure.
11084 (create_option): Add an extra argument.
11085 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11086 (option): Adjust calls to create_option.
11088 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11090 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11092 2006-01-22 Paul Brook <paul@codesourcery.com>
11093 Peter Barada <peter@the-baradas.com>
11095 * config/m68k/m68k.md: Add Coldfire FPU support.
11096 Define FP mode macro and associated attributes.
11097 Use it for float mode patterns.
11098 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11099 (LIBCALL_VALUE): Use m68k_libcall_value.
11100 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11101 (m68k_function_value): Ditto.
11102 (emit_move_sequence): Ditto.
11103 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11104 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11105 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11106 (MULTILIB_EXCEPTIONS): Ditto.
11107 * config/m68k/m68k.opt: Add mcfv4e.
11108 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11109 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11110 (m68k_output_function_prologue): Save ColdFire FPU registers.
11111 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11112 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11113 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11114 ColdFire FPU registers.
11115 (m68k_libcall_value, m68k_function_value): New functions.
11116 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11117 (LIBCALL_VALUE): Use m68k_libcall_value.
11118 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11119 (MASK_COLDFIRE): Add MASK_CFV4E.
11120 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11121 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11122 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11123 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11124 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11125 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11126 * doc/invoke.tex: Document -mcfv4e on m68k.
11128 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11130 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11133 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11136 * c-opts.c (c_common_handle_option): Don't include
11137 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11138 * doc/invoke.texi (C++ Dialect Options): Document that
11139 -Wnon-virtual-dtor is no longer included in -Wall.
11141 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11143 * gcov.c (print_version), gcov-dump.c (print_version),
11144 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11147 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11149 * df-scan.c (problem_SCAN): Added NULL reset function.
11150 (df_scan_reset_blocks): Added code to call reset block function
11151 (df_bb_refs_delete) Fixed comment.
11152 (df_insn_refs_delete): Made tolerant of deleting non existent info
11153 for dataflow problems that need to be reset.
11154 * df-core.c (df_set_blocks): Ditto.
11155 * df.h (struct df_problem): Added reset_fun.
11156 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11157 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11158 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11159 functions to clear out all references to def-use or use-def chains.
11161 2006-01-21 Ben Elliston <bje@au.ibm.com>
11163 * varasm.c (assemble_real): Initialise data array.
11165 2006-01-20 Paul Brook <paul@codesourcery.com>
11167 Merge from csl-arm-branch.
11168 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11169 * config/arm/arm.md (movdi): Force operands[1] to a register
11170 if we have a non-register source.
11171 (*arm_movdi, *movdf_soft_insn): Require that one of the
11172 operands be a register.
11173 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11174 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11176 2006-01-20 DJ Delorie <dj@redhat.com>
11178 * varasm.c (initializer_constant_valid_p): Allow pointers
11179 initialized from integer constants of lesser precision.
11180 (output_constant): Allow non-int-sized pointer modes to be
11181 initialized from integer constants.
11183 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11186 * cppdefault.h (struct default_include): Add multilib flag.
11187 * cppdefault.c (cpp_include_defaults): Set it.
11188 * c.opt (-imultilib): New option.
11189 * c-opts.c (imultilib): New.
11190 (c_common_handle_option): Handle -imultilib.
11191 (c_common_post_options): Likewise.
11192 * c-incpath.c (add_standard_paths, register_include_chains):
11194 * c-incpath.h (register_include_chains): Add extra parameter.
11195 * gcc.c (do_spec_1): Generate -imultilib option.
11196 (The Specs Language): Update %I description.
11197 (process_command): Update copyright notice.
11198 * doc/cppopts.texi (-imultilib): Document.
11199 * doc/invoke.texi (-imultilib): Include in option summary.
11200 (%I): Update specs documentation.
11202 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11204 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11206 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11208 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11211 2006-01-20 Richard Guenther <rguenther@suse.de>
11212 Steven Bosscher <stevenb.gcc@gmail.com>
11214 PR rtl-optimization/24626
11215 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11216 EDGE_TRUE_VALUE if in RTL mode.
11219 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11220 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11222 2006-01-20 Dirk Mueller <dmueller@suse.com>
11225 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11226 instead of a special NOP marker.
11227 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11228 NOP marker handling.
11229 * c-common.h (empty_body_warning): Add forward declaration.
11230 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11231 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11233 2006-01-20 Paul Brook <paul@codesourcery.com>
11235 * Makefile.in (lang_checks): Keep going if mkdir fails.
11237 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11239 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11240 be able to clean out basic block when not necessary.
11241 (df_scan_free): Fixed to properly delete information if df is
11242 unused before calling df_finish.
11243 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11244 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11246 (df_bb_refs_delete): New function.
11247 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11248 * df-core.c (df_set_blocks): Added code to properly clean out
11249 unused blocks if they are not part of the blocks to consider.
11250 Added additional null check.
11251 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11252 be able to clean out basic block when not necessary
11253 * df.h (df_free_bb_function): Ditto.
11254 (df_bb_refs_delete): New function.
11255 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11256 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11257 basic block parameter to be able to clean out basic block when not
11259 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11260 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11261 Fixed to properly delete information if df is unused before
11264 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11266 PR rtl-optimization/25799
11267 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11268 Corrected confluence operator to remove bits from op2 before oring
11269 with op1 rather than removing bits from op1.
11270 (df_ru_transfer_function): Corrected test on wrong bitmap which
11271 caused infinite loop. Both of these problems were introduced in
11272 the dataflow rewrite.
11274 2006-01-19 DJ Delorie <dj@redhat.com>
11276 * reload1.c (find_reload_regs): Note the details of reload
11277 failures in the dump file.
11278 (spill_failure): Likewise.
11280 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11282 * loop-iv.c: Include df.h and hashtab.h.
11283 (enum iv_grd_result): New enum.
11284 (DF_REF_IV, DF_REF_IV_SET): New macros.
11285 (struct biv_entry): New.
11286 (df, bivs): New global variables.
11287 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11288 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11290 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11291 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11292 analyzed_for_bivness_p, record_biv): New functions.
11293 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11294 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11295 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11297 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11299 (iv_number_of_iterations): Use new interface to iv analysis.
11300 * loop-unroll.c: Do not include varray.h.
11301 (analyze_iv_to_split_insn): Use new interface to iv
11303 * loop-unswitch.c (may_unswitch_on): Ditto.
11304 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11306 (df_bb_modify): Realloc tables to the new index.
11307 (df_find_use): New function.
11308 * df.h (df_find_use): Declare.
11309 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11311 * cfgloop.h (struct rtx_iv): Remove analysed field.
11312 (iv_get_reaching_def): Removed.
11313 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11314 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11315 (loop-iv.o): Add df.h and hashtab.h dependency.
11316 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11318 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11321 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11323 (__floatundisf, __floatundidf): Likewise.
11324 * libgcc2.h (IS_IBM_EXTENDED): Define.
11326 2006-01-19 DJ Delorie <dj@redhat.com>
11328 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11330 2006-01-19 Paul Brook <paul@codesourcery.com>
11332 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11333 as nothrow when unwinding tables are disabled.
11335 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11338 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11339 of bit-field" when in system header.
11341 2006-01-19 DJ Delorie <dj@redhat.com>
11343 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11344 the 16 bit shift limit of the m16c.
11346 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11349 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11350 * config/i386/i386.c (output_set_got): Output the label if we have one
11351 for the TARGET_DEEP_BRANCH_PREDICTION case.
11353 2006-01-19 Jan Hubicka <jh@suse.cz>
11354 H.J. Lu <hongjiu.lu@intel.com>
11355 Evandro Menezes <evandro.menezes@amd.com>
11357 * invoke.texi (generic): Document
11359 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11360 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11361 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11362 (x86_use_incdec, x86_pad_returns): New variables
11363 (TARGET_CPU_DEFAULT_generic): New constant
11364 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11365 (enum processor_type): Add generic32 and generic64.
11366 * i386.md (cpu attribute): Add generic32/generic64
11367 (movhi splitter): Behave sanely when both partial_reg_dependency and
11368 partial_reg_stall are set.
11369 (K8 splitters): Enable for generic as well.
11370 * predicates.md (incdec_operand): Use TARGET_INCDEC
11371 (aligned_operand): Avoid memory mismatch stalls.
11372 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11373 * ppro.md: Enable for generic32
11374 * i386.c (generic64_cost, generic32_cost): New.
11375 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11376 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11377 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11378 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11379 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11380 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11381 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11382 x86_accumulate_outgoing_args, x86_prologue_using_move,
11383 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11384 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11385 Enable for generic.
11386 (x86_use_incdec, x86_pad_returns): New.
11387 (override_options): Add generic32 and generic64, translate "generic"
11388 to generic32/generic64 and "i686" to "generic32", refuse
11389 "generic32"/"generic64" as arch target.
11390 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11391 (ix86_reorg): Honor PAD_RETURNS.
11393 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11395 * tree-pretty-print.c (dump_generic_node): Handle
11396 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11397 * cgraph.c (cgraph_expand_queue): Rename from
11398 cgraph_analyze_queue. Update all users.
11399 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11400 cgraph_expand_queue.
11401 (cgraph_expand_all_functions): Likewise.
11402 (cgraph_finalize_pending_functions): Remove. Update callers.
11404 * tree.h (OMP_DIRECTIVE_P): Define.
11405 (OMP_PARALLEL_FN): Define.
11406 (OMP_PARALLEL_DATA_ARG): Define.
11407 (OMP_SECTIONS_SECTIONS): Define.
11408 * tree-pass.h (pass_expand_omp): Declare.
11409 * omp-low.c (struct omp_region): Declare.
11410 (struct omp_context): Remove fields 'parallel_type',
11411 'parallel_start_ix' and 'parallel_start_additional_args'.
11413 (struct omp_for_data): Rename from struct expand_omp_for_data.
11414 (omp_regions): New static variable.
11415 (root_omp_region): New static variable.
11416 (find_omp_clause): Make static.
11417 (is_in_combined_parallel_ctx): Remove.
11418 (is_combined_parallel): New.
11419 (extract_omp_for_data): Move earlier in the file.
11420 (workshare_safe_to_combine_p): New.
11421 (get_ws_args_for): New.
11422 (determine_parallel_type): Move earlier in the file.
11423 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11425 (omp_copy_decl): Likewise.
11426 (create_omp_child_function): Likewise.
11427 (lookup_omp_region): New.
11428 (dump_omp_region): New.
11429 (debug_omp_region): New.
11430 (debug_all_omp_regions): New.
11431 (new_omp_region): New.
11432 (scan_omp_parallel): If parallel_nesting_level > 1, the
11433 directive is nested within another parallel directive.
11434 Set OMP_PARALLEL_FN.
11435 (scan_omp_for): Do not try to handle combined parallel+for
11437 Remove FIXME comment.
11438 (scan_omp_nested): Remove.
11439 (scan_omp_1): Do not call scan_omp_nested when
11440 parallel_nesting_level is > 1.
11441 Do not change the DECL_CONTEXT of local variables found.
11442 (lookup_decl_in_outer_ctx): New.
11443 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11444 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11445 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11446 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11447 If CTX is nested, lookup VAR in the outer context when
11448 building copy assignment.
11449 (lower_send_clauses): Rename from expand_send_clauses.
11450 If CTX is nested, lookup VAR in the outer context when
11451 building copy assignments.
11452 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11453 If CTX is nested, lookup VAR in the outer context when
11454 building copy assignments.
11455 (expand_parallel_call): Rename from build_parallel_call.
11456 Handle combined parallel+workshare cases.
11457 Re-implement to emit code into the CFG.
11459 (expand_omp_parallel): Re-implement to emit code into the CFG.
11460 Call move_sese_region_to_fn to outline the sub-graph
11461 containing the parallel region.
11462 (expand_omp_for_1): Remove.
11463 (expand_omp_for_generic): Re-implement to emit code into the
11465 (expand_omp_for_static_nochunk): Likewise.
11466 (expand_omp_for_static_chunk): Likewise.
11467 (expand_omp_for): Likewise.
11468 (expand_omp_sections): Likewise.
11469 (remove_exit_barriers): New.
11470 (expand_omp_synch): New.
11472 (build_omp_regions_1): New.
11473 (build_omp_regions): New.
11474 (execute_expand_omp): New.
11475 (gate_expand_omp): New.
11476 (pass_expand_omp): Define.
11477 (lower_omp_sections): Rename from expand_omp_sections.
11478 Set OMP_SECTIONS_SECTIONS.
11479 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11480 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11481 (lower_omp_single): Rename from expand_omp_simple.
11482 (lower_omp_master): Rename from expand_omp_master.
11483 (lower_omp_ordered): Rename from expand_omp_ordered.
11484 (lower_omp_critical): Rename from expand_omp_critical.
11485 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11486 (lower_omp_for): Re-implement.
11487 (lower_omp_parallel): Re-implement.
11488 (lower_regimplify): Rename from expand_regimplify.
11489 (lower_omp_1): Rename from expand_omp_1.
11490 If there are syntax errors in the program, replace every
11491 OpenMP directive with NOP.
11492 Call lower_omp_* instead of expand_omp_*.
11493 (lower_omp): Rename from expand_omp.
11495 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11496 * tree-gimple.h (enum omp_parallel_type): Remove.
11497 (gimple_boolify): Declare extern.
11498 (find_omp_clause, determine_parallel_type): Remove.
11500 * gimple-low.c (lower_omp_directive): New.
11501 (lower_stmt): Call it.
11502 (record_vars_into): Move from ...
11503 (record_vars): ... here.
11504 Call record_vars_into with current_function_decl.
11506 * gimplify.c (struct gimplify_ctx): Remove fields
11507 combined_pre_p and combined_ctxp. Update users.
11508 (get_formal_tmp_var): Add documentation.
11509 (gimple_boolify): Make extern.
11510 (gimplify_expr_in_ctx): Remove. Update callers.
11511 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11512 will always be a BIND_EXPR.
11513 (gimplify_expr): Handle OMP_RETURN_EXPR.
11514 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11515 (OMP_PARALLEL): Add 3 operands.
11516 (OMP_SECTIONS): Add 1 operand.
11517 (OMP_RETURN_EXPR): Define.
11519 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11520 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11521 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11522 creating a circular free list.
11523 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11525 * tree-flow.h (move_sese_region_to_fn): Declare.
11526 (record_vars_into): Declare.
11527 * tree-cfg.c (make_omp_sections_edges): New.
11528 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11529 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11530 OMP_SECTIONS and OMP_SECTION.
11531 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11532 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11533 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11534 (gather_blocks_in_sese_region): New.
11535 (struct move_stmt_d): Declare.
11536 (move_stmt_r): New.
11537 (move_block_to_fn): New.
11538 (move_sese_region_to_fn): New.
11540 * passes.c (init_optimization_passes): Schedule
11541 pass_expand_omp after pass_init_datastructures.
11543 * tree-ssa-operands.c (get_expr_operands): Handle
11544 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11545 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11547 2006-01-19 Jeff Law <law@redhat.com>
11549 * tree-vrp.c (extract_range_from_assert): Refine the result range
11550 if the variable referenced by the ASSERT_EXPR has a range and
11551 either the tentative result range or the previous range is a
11554 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11556 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11558 2006-01-19 Jan Hubicka <jh@suse.cz>
11560 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11562 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11564 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11565 (expand_compound_operation, expand_field_assignment): Fail if the
11566 bit lengths of an extract operation are out of range.
11567 (make_extraction): Compute wanted_inner_mode based on the position
11568 and length of the extraction. Make it extraction_mode for non-constant
11569 positions, and do not modify offset in that case. When generating a
11570 new MEM, use a mode that can hold the extraction while keeping correct
11571 alignment. Remove code that supported MEMs wrapped by USEs.
11572 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11574 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11576 * config/s390/s390.md ("Y", "y"): New mode attribute.
11577 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11578 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11579 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11580 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11581 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11582 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11583 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11584 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11585 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11586 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11587 "addsi3", "subsi3"): Insn patterns removed.
11588 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11589 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11590 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11591 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11592 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11593 "*sub<mode>3_cconly2"): New insn patterns.
11594 ("addsi3", "subsi3"): New expanders.
11596 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11598 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11599 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11600 existing STMT_VINFO_VECTYPE if available.
11601 (vect_mark_relevant): Add special handling for stmts that are
11602 marked as STMT_VINFO_IN_PATTERN_P.
11603 (vect_analyze_loop): Call vect_pattern_recog.
11604 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11605 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11607 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11608 (vect_recog_func_ptr): New function-pointer type.
11609 * tree-vect-patterns.c: New file.
11610 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11611 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11612 (vect_pattern_recog_1): New functions.
11613 (vect_pattern_recog_funcs): New array of function pointers.
11615 * tree-vectorizer.h (ternary_op): New enum value.
11616 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11617 declaration. Revised documentation. Removed redundant dump prints.
11618 Removed redundant argument. Added support for reduction patterns.
11619 (vectorizable_reduction): Added support for reduction patterns.
11620 (vect_transform_stmt): Added support for patterns.
11622 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11623 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11624 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11625 (expand_widen_pattern_expr): New function.
11626 (init_optabs): Initialize new optabs udot_prod_optab,
11628 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11629 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11630 (expand_widen_pattern_expr): New function declaration.
11631 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11633 * tree-inline.c (estimate_num_insns_1): Added cases for new
11634 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11635 * tree-pretty-print.c (dump_generic_node): Likewise.
11636 (op_prio): Likewise.
11637 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11638 * tree-ssa-operands.c (get_expr_operands): Added case for
11640 * tree-vect-patterns.c (widened_name_p): New function.
11641 (vect_recog_dot_prod_pattern): Added function implementation.
11642 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11643 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11644 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11645 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11647 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11648 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11649 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11650 (init_optabs): Initialize new optabs widen_ssum_optab,
11652 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11653 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11654 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11655 use instead of type of def.
11656 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11657 function implementation.
11658 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11659 widen_ssumv8hi): New.
11661 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11664 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11667 * c-decl.c (add_flexible_array_elts_to_size): New function.
11668 (finish_decl): Use it.
11670 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11672 * diagnostic.h: Include options.h.
11673 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11674 dependancies for diagnostic.h.
11675 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11677 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11679 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11680 (ssa_ro_call_cache_valid): Ditto.
11681 * tree-ssa-alias.c (sort_tags_by_id): New function.
11682 (init_transitive_clobber_worklist): Ditto.
11683 (add_to_worklist): Ditto.
11684 (mark_aliases_call_clobbered): Ditto.
11685 (compute_tag_properties): Ditto.
11686 (set_initial_properties): Ditto.
11687 (compute_call_clobbered): Ditto.
11688 (compute_may_aliases): Call compute_call_clobbered and grouping.
11689 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11690 (compute_flow_insensitive_aliasing): Grouping now happens in our
11692 (setup_pointers_and_addressables): Remove clobbering related code.
11693 (add_may_alias): Ditto.
11694 (replace_may_alias): Ditto.
11695 (get_nmt_for): Ditto.
11696 (create_global_var):
11697 (is_escape_site): Return an escape_type enumeration.
11698 * tree-flow-inline.h (is_call_clobbered): Global var does not
11699 imply call clobbered.
11700 (mark_call_clobbered): Take a reason for marking this. Remove
11701 marking of globalness, and cache invalidation.
11702 (clear_call_clobbered): Remove cache invalidation code.
11703 * tree-dfa.c (dump_variable): If details is on, dump the reason
11705 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11707 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11708 (struct var_ann_d): Ditto.
11709 (enum escape_type): New.
11710 (mark_call_clobbered): Adjust prototype.
11711 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11712 are never call clobbered.
11713 Record reasons for escaping.
11714 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11715 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11716 (ssa_ro_call_cache_valid): Ditto.
11717 (clobbered_v_may_defs): Ditto.
11718 (clobbered_vuses): Ditto.
11719 (ro_call_vuses): Ditto.
11720 (clobber_stats): New.
11721 (init_ssa_operands): Zero out clobber stats.
11722 (fini_ssa_operands): Print out clobber stats.
11723 (get_call_expr_operands): Pass callee fndecl to
11724 add_call_read_ops).
11725 (add_call_clobber_ops): Remove use of cache.
11726 Add use of PURE_CONST information.
11727 (add_call_read_ops): Remove use of cache.
11728 Add use of static not_read information.
11730 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11732 Introduce TLS descriptors for i386 and x86_64.
11733 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11734 (TARGET_ANY_GNU_TLS): New macro.
11735 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11736 (struct machine_function): Add tls_descriptor_call_expanded_p.
11737 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11738 (ix86_current_function_calls_tls_descriptor): Likewise.
11739 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11740 (override_options): Introduce gnu2 tls dialect.
11741 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11743 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11745 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11746 (ix86_init_machine_status): Initialize new field.
11747 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11748 (ix86_tls_module_base): New.
11749 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11750 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11751 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11752 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11753 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11754 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11755 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11756 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11757 * config/i386/predicates.md (tls_modbase_operand): New.
11758 (tp_or_register_operand): New.
11760 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11762 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11763 (look_for_address_of): Ditto.
11764 (ipa_init): Walk the function decls.
11765 (static_execute): Don't set readonly on FUNCTION_DECL's.
11767 2006-01-18 Roger Sayle <roger@eyesopen.com>
11769 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11770 for shifts where the source and destination registers are different.
11772 2006-01-18 Paul Brook <paul@codesourcery.com>
11774 Merge from csl-arm-branch.
11775 2005-03-14 Julian Brown <julian@codesourcery.com>
11776 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11777 (aeabi_llsl): Likewise.
11778 (ashrdi3): Likewise.
11779 (aeabi_lasr): Likewise.
11780 (lshrdi3): Likewise.
11781 (aeabi_llsr): Likewise.
11782 2005-03-10 Julian Brown <julian@codesourcery.com>
11783 * config.gcc: Disable shared libgcc for SymbianOS.
11784 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11786 2006-01-18 DJ Delorie <dj@redhat.com>
11788 * c-pragma.c (handle_pragma_diagnostic): New.
11789 (init_pragma): Register it.
11790 * doc/extend.texi: Document it.
11792 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11793 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11794 (diagnostic_context): Add classify_diagnostic[].
11795 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11796 as errors if they're overridden to DK_WARNING.
11797 (diagnostic_initialize): Initialize classify_diagnostic[].
11798 (diagnostic_set_kind_override): New.
11799 (diagnostic_report_diagnostic): Check for kind changes.
11800 * opts.c (common_handle_option): Take lang_mask. Update callers.
11801 Handle OPT_Werror_.
11802 * common.opt (Werror=): New.
11803 * doc/invoke.texi: Document -Werror=*
11805 2006-01-18 Jeff Law <law@redhat.com>
11807 * tree-vrp.c (test_for_singularity): Correct test for new
11808 min limit. Use operand_equal_p rather than pointer equality
11809 for testing if new min/max values are equal.
11811 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11812 using range information until after propagation and folding.
11814 2006-01-18 Richard Henderson <rth@redhat.com>
11815 Aldy Hernandez <aldyh@redhat.com>
11816 Jakub Jelinek <jakub@redhat.com>
11817 Diego Novillo <dnovillo@redhat.com>
11819 * omp-low.c: New file.
11820 * c-omp.c: New file.
11822 2006-01-18 Richard Henderson <rth@redhat.com>
11823 Jakub Jelinek <jakub@redhat.com>
11824 Diego Novillo <dnovillo@redhat.com>
11826 * doc/invoke.texi: Document -fopenmp.
11827 * tree-dump.h (debug_function): Declare.
11828 * hooks.c (hook_bool_tree_bool_false): New function.
11829 (hook_tree_tree_null): Remove.
11830 (hook_tree_tree_tree_null): New.
11831 * hooks.h: Update to match.
11832 * tree-pretty-print.c (debug_tree_chain): New.
11833 (print_generic_expr): Handle TDF_CHAIN.
11834 (dump_generic_node): Handle BLOCK.
11835 Do not abort with incomplete SWITCH_EXPRs.
11836 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11837 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11838 print space after directive name.
11839 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11840 Handle OMP_MASTER and OMP_ORDERED.
11841 Handle printing of OMP_BODY just in one place, goto
11842 dump_omp_body in the rest of OMP_* nodes that have
11844 Don't handle clause nodes here. Update omp statements to
11845 use dump_omp_clauses.
11846 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11847 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11848 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11849 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11850 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11851 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11852 Adjust output for GOMP_PARALLEL.
11853 (dump_omp_clauses): New.
11854 (print_declaration): Dump DECL_VALUE_EXPR.
11855 (op_symbol_1): Split out of op_symbol.
11856 (dumping_stmts): Remove. Update all users.
11857 * cgraph.c (cgraph_analyze_queue): New.
11858 (cgraph_add_new_function): New.
11859 * cgraph.h (cgraph_analyze_queue): Declare.
11860 (cgraph_add_new_function): Declare.
11861 (cgraph_lower_function): Remove.
11862 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11863 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11864 and TYPE_P nodes in its default clause.
11865 (empty_body_p): New.
11866 (tree_range_check_failed): New.
11867 (build5_stat): New.
11868 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11869 OMP_CLAUSE_REDUCTION_MERGE,
11870 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11871 OMP_CLAUSE_PRIVATE_DEBUG,
11872 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11873 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11874 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11875 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11876 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11877 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11878 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11879 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11880 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11881 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11882 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11883 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11884 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11885 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11886 (TREE_RANGE_CHECK): New.
11887 (empty_body_p): Declare.
11888 (enum omp_clause_default_kind): New.
11889 (build_string_literal): Declare.
11890 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11891 (build5_stat, build5): Declare.
11892 * tree-pass.h (TDF_CHAIN): Define.
11893 * tree-pass.h (PROP_gimple_lomp): Define.
11894 (pass_lower_omp): Declare.
11895 * diagnostic.h (debug_tree_chain): Declare.
11896 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11898 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11899 * builtins.c (build_string_literal): Make extern.
11900 * gcc.c (include_spec_function): New.
11901 (static_spec_functions): Add it.
11902 (main): Move load of libgomp.spec ...
11903 (LINK_COMMAND_SPEC): ... here.
11904 (link_gomp_spec): New.
11905 (static_specs): Include it.
11906 (LINK_COMMAND_SPEC): Add link_gomp.
11907 (GOMP_SELF_SPECS): New.
11908 (driver_self_specs): Include it.
11909 (switch_matches): Don't mark inline.
11910 (main): Load libgomp.spec.
11911 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11912 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11913 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11914 * tree-gimple.h (enum omp_parallel): Declare.
11915 (determine_parallel_type): Declare.
11916 (omp_firstprivatize_variable): Declare.
11917 (omp_reduction_init): Declare.
11918 (diagnose_omp_structured_block_errors): Declare.
11919 (struct walk_stmt_info): Add want_return_expr.
11920 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11921 (find_omp_clause): Declare.
11922 (insert_field_into_struct): Declare.
11923 (struct walk_stmt_info): Move from tree-nested.c
11924 (walk_stmts): Declare.
11925 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11927 * cgraphunit.c (cgraph_lower_function): Make static.
11928 (cgraph_finalize_pending_functions): New.
11929 (cgraph_finalize_function): Call it.
11930 (cgraph_finalize_compilation_unit): Likewise.
11931 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11932 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11933 (BT_FN_UINT_UINT): New.
11934 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11935 DEF_FUNCTION_TYPE_VAR_4): Document.
11936 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11937 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11938 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11939 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11940 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11941 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11942 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11943 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11944 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11945 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11946 into separate files.
11947 (DEF_GOMP_BUILTIN): New.
11948 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11949 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11950 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11951 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11952 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11953 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11954 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11955 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11956 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11957 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11958 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11959 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11960 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11961 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11962 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11963 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11964 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11965 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11966 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11967 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11968 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11969 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11970 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11971 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11972 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11973 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11974 * sync-builtins.def: New file, moved from builtins.def.
11975 * omp-builtins.def: New file, moved from builtins.def.
11976 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11977 * gimple-low.c (lower_function_body): Clear data.
11978 (lower_stmt): Do not handle COMPOUND_EXPR.
11979 Remove call to print_node_brief.
11980 * c-tree.h (c_finish_omp_clauses): New prototype.
11981 (C_DECL_THREADPRIVATE_P): Define.
11982 (lookup_name_no_remap, c_omp_remap_private): Remove
11983 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11984 (check_for_loop_decls): Update decl.
11985 (lookup_name_no_remap, c_omp_remap_private): Declare.
11986 (build_indirect_ref, build_modify_expr, pushdecl,
11987 pushdecl_top_level): Move to c-common.h.
11988 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11989 before the switch, but just in the 2 places that need it.
11990 * c-decl.c (diagnose_mismatched_decls): Do not check for
11991 mismatched thread-local attributes when OLDDECL is marked
11992 threadprivate and NEWDECL has no thread-local attributes.
11993 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11994 (c_gimple_diagnostics_recursively): Rename from
11995 c_warn_unused_result_recursively. Invoke
11996 diagnose_omp_structured_block_errors.
11997 (check_for_loop_decls): Return a singular decl found.
11998 * langhooks.c (lhd_omp_predetermined_sharing): Return
11999 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12000 (lhd_omp_firstprivatize_type_sizes): New.
12001 (lhd_omp_assignment): New.
12002 (lhd_omp_predetermined_sharing): New.
12003 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12004 (struct lang_hooks_for_types): Add
12005 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12006 omp_predetermined_sharing, omp_disregard_value_expr,
12007 omp_private_debug_clause, omp_clause_default_ctor,
12008 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12009 (c_finish_omp_clauses): New.
12010 (c_finish_bc_stmt): Diagnose break within omp for.
12011 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12012 (build_unary_op): Return error_mark after reporting
12014 (build_modify_expr): Likewise.
12015 * gimplify.c: Include optabs.h and pointer-set.h.
12016 (enum gimplify_omp_var_data): Declare.
12017 (struct gimplify_omp_ctx): Declare.
12018 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12020 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12021 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12022 (splay_tree_compare_decl_uid): New.
12023 (new_omp_context): New.
12024 (delete_omp_context): New.
12025 (gimple_add_tmp_var): Call omp_add_variable.
12026 (gimplify_bind_expr): Likewise.
12027 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12028 true, disregard DECL_VALUE_EXPR on the decl if any.
12029 (gimplify_expr_in_ctx): New.
12030 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12031 omp_add_variable, omp_notice_variable, omp_is_private
12032 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12033 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12034 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12035 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12036 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12037 gimplify_omp_atomic): New.
12038 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12039 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12040 OMP_CRITICAL and OMP_ATOMIC.
12041 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12042 * c-pragma.h (enum pragma_kind): Add
12043 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12044 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12045 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12046 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12047 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12048 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12049 PRAGMA_OMP_THREADPRIVATE.
12050 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12051 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12052 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12053 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12054 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12055 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12056 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12057 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12058 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12059 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12060 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12061 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12062 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12064 (struct nesting_info): Add field_map,
12065 suppress_expansion, debug_var_chain.
12066 (create_nesting_tree): Initialize them.
12067 (lookup_field_for_decl): Use field_map.
12068 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12069 (convert_local_omp_clauses): New.
12070 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12071 (walk_body): Split out of walk_function.
12072 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12073 (convert_nonlocal_reference): Handle omp statements.
12074 (convert_local_reference): Likewise.
12075 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12076 (unnest_nesting_tree): New.
12077 (lower_nested_functions): Call it.
12078 (insert_field_into_struct): Make extern.
12079 (struct walk_stmt_info): Move to tree-gimple.h.
12080 (walk_stmts): Make extern.
12081 * omp-builtins.def: New file.
12082 * tree-iterator.c (expr_only): Clarify comment.
12083 * c-common.h (pushdecl_top_level, pushdecl,
12084 build_modify_expr, build_indirect_ref,
12085 c_finish_omp_master, c_finish_omp_critical,
12086 c_finish_omp_ordered, c_finish_omp_barrier,
12087 c_finish_omp_atomic, c_finish_omp_flush,
12088 c_finish_omp_for, c_split_parallel_clauses,
12089 omp_clause_default_kind, c_omp_sharing_predetermined,
12090 c_omp_remap_decl): Declare.
12091 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12092 (OBJS-common): Add omp-low.o.
12093 (c-omp.o, omp-low.o): Add.
12094 (gimplify.o): Add dependency on $(OPTABS_H).
12095 (GTFILES): Add omp-low.c.
12096 (gt-stringpool.h): Add.
12097 * tree-cfg.c (set_bb_for_stmt): Do not update the
12098 block-to-labels map if we are currently expanding to RTL.
12099 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12101 Handle IDENTIFIER_NODE.
12102 (tree_verify_flow_info): Do not ICE when emitting error
12103 messages about invalid labels.
12104 (dump_function_to_file): Reset CFUN before emitting the body
12106 (debug_function): New.
12107 * passes.c (init_optimization_passes): Schedule
12109 * langhooks-def.h (lhd_omp_predetermined_sharing,
12110 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12112 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12113 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12114 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12115 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12116 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12117 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12118 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12119 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12120 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12121 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12122 (LANG_HOOK_DECLS): Use them.
12124 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12125 Richard Henderson <rth@redhat.com>
12126 Jakub Jelinek <jakub@redhat.com>
12127 Diego Novillo <dnovillo@redhat.com>
12129 * c-parser.c (pragma_omp_clause): Define.
12130 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12131 (c_parser_compound_statement): Likewise.
12132 (c_parser_statement): Likewise.
12133 (c_parser_pragma): Handle omp pragmas.
12134 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12135 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12136 (c_parser_omp_clause_name, check_no_duplicate_clause,
12137 c_parser_omp_variable_list,
12138 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12139 c_parser_omp_clause_copyprivate,
12140 c_parser_omp_clause_default,
12141 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12142 c_parser_omp_clause_lastprivate,
12143 c_parser_omp_clause_nowait,
12144 c_parser_omp_clause_num_threads,
12145 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12146 c_parser_omp_clause_reduction,
12147 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12148 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12149 c_parser_omp_atomic, c_parser_omp_barrier,
12150 c_parser_omp_critical, c_parser_omp_flush,
12151 c_parser_omp_for_loop, c_parser_omp_for,
12152 c_parser_omp_master, c_parser_omp_ordered,
12153 c_parser_omp_sections_scope, c_parser_omp_sections,
12154 c_parser_omp_parallel, c_parser_omp_single,
12155 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12156 * c-pragma.c (init_pragma): Do omp pragma registration here.
12157 * c.opt (fopenmp): New flag.
12159 2006-01-18 Eric Christopher <echristo@apple.com>
12161 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12162 * config/darwin.h (GOMP_SELF_SPECS): Define.
12164 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12166 * rtl.h: Remove the prototype for reg_alloc.
12168 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12171 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12172 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12173 sjlj and dwarf2 exception handling.
12174 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12175 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12176 * pa/pa.c (function_value): Treat complex and vector types as
12178 (function_arg): Likewise. Only pass scalar floats in the floating
12179 point argument registers.
12180 * pa/t-slibgcc-dwarf-ver: New file.
12181 * pa/t-slibgcc-sjlj-ver: New file.
12182 * pa/t-slibgcc-elf-ver: Delete file.
12184 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12186 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12187 unlikely_test_section_p test.
12189 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12191 * mode-switching.c (optimize_mode_switching): Make it static.
12192 * basic-block.h: Remove the prototype for
12193 optimize_mode_switching.
12195 * modulo-sched.c (sms_schedule): Make it static.
12196 * rtl.h: Remove the prototype for sms_schedule.
12198 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12199 * rtl.h: Remove the prototype for gcse_after_reload_main.
12201 * reg-stack.c (reg_to_stack): Make it static.
12202 * rtl.h: Remove the prototype for reg_to_stack.
12204 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12206 * rtl.h: Remove the prototypes for regrename_optimize and
12207 copyprop_hardreg_forward.
12209 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12211 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12212 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12213 Test against the appropriate null constant for the mode.
12214 If 'fixup_overlap' is true, swap the operands if they overlap.
12215 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12216 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12217 alpha_split_tmode_pair and adjust for above change.
12218 * config/alpha/alpha.md (movtf_internal): Adjust call to
12219 alpha_split_tfmode_pair and rely on it to swap the operands.
12220 (movti_internal): New insn and post-reload splitter.
12221 (movti): New expander.
12223 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12225 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12228 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12230 * rtlanal.c (global_reg_mentioned_p_1,
12231 global_reg_mentioned_p): Remove.
12232 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12234 * flow.c (initialize_uninitialized_subregs): Make it static.
12235 * rtl.h: Remove the prototype for
12236 initialize_uninitialized_subregs.
12238 * function.c (instantiate_virtual_regs): Make it static.
12239 * function.h: Remove the prototype for
12240 instantiate_virtual_regs.
12242 * regmove.c (regmove_optimize, combine_stack_adjustments):
12244 * rtl.h: Remove the prototypes for regmove_optimize and
12245 combine_stack_adjustments.
12247 2006-01-17 Roger Sayle <roger@eyesopen.com>
12249 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12250 (size_cost): Encode costs in bytes so that a reg-reg addition is
12251 equivalent to COSTS_N_INSNS(1).
12252 (override_options): Use the size_cost.branch_cost as the default
12253 ix86_branch_cost when optimizing for size.
12255 2006-01-18 Ben Elliston <bje@au.ibm.com>
12257 * Makefile.in (D32PBIT_FUNCS): New.
12258 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12259 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12260 D64PBIT_FUNCS and D128PBIT_FUNCS.
12261 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12262 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12264 (decnumber_dep): Define.
12265 * doc/libgcc.texi (Decimal float library routines): New node.
12266 * config/dfp-bit.h, config/dfp-bit.c: New files.
12268 2006-01-18 Ben Elliston <bje@au.ibm.com>
12270 * expr.c (emit_move_change_mode): Always adjust addresses, not
12271 just during reload. Copy replacements only during reload.
12272 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12273 emit_move_via_integer.
12275 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12277 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12278 instead of $(srcdir) and ${srcdir}.
12280 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12283 PR middle-end/11135
12284 * arm.h (struct machine_function): Add pic_reg.
12285 * arm.c (arm_pic_register): Make unsigned.
12286 (arm_override_options): Only set arm_pic_register if
12287 TARGET_SINGLE_PIC_BASE.
12288 (use_return_insn): Only test for a pic register if it is fixed.
12289 (arm_compute_save_reg0_reg12_mask): Likewise.
12290 (thumb_compute_save_reg_mask): Likewise.
12291 (legitimate_pic_operand): Factor out some known invariants.
12292 (legitimize_pic_address): If we don't have a fixed pic register,
12293 then set up a pseudo in the function entry sequence. Handle the
12294 pic base being in a pseudo.
12295 (arm_load_pic_register): Handle the pic register being in a pseudo.
12296 (arm_expand_prologue): Only set up the pic register if it is fixed.
12297 (thumb_expand_prologue): Likewise.
12298 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12299 (pic_load_addr_based_insn): Likewise.
12300 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12303 2006-01-18 Ben Elliston <bje@au.ibm.com>
12305 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12306 decimal float modes for all floating point registers.
12308 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12309 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12311 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12314 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12315 even when the pointer is not NULL.
12317 2006-01-16 Ian Lance Taylor <ian@airs.com>
12319 * common.opt (ftoplevel-reorder): New option.
12320 * cgraph.c (cgraph_asm_nodes): New global variable.
12321 (cgraph_asm_last_node): New static variable.
12322 (cgraph_order): New global variable.
12323 (cgraph_create_node): Set new order field.
12324 (cgraph_varpool_node): Likewise.
12325 (decide_is_variable_needed): Return true if not
12326 flag_toplevel_reorder.
12327 (cgraph_add_asm_node): New function.
12328 * cgraph.h (struct cgraph_node): Add order field.
12329 (struct cgraph_varpool_node): Add order field.
12330 (struct cgraph_asm_node): Define.
12331 (cgraph_asm_nodes, cgraph_order): Declare.
12332 (cgraph_add_asm_node): Declare.
12333 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12335 (cgraph_varpool_assemble_pending_decls): Call it.
12336 (cgraph_output_pending_asms): New static function.
12337 (cgraph_finalize_compilation_unit): Call it.
12338 (struct cgraph_order_sort): Define.
12339 (cgraph_output_in_order): New static function.
12340 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12341 !flag_toplevel_reorder case.
12342 * c-parser.c: Include "cgraph.h".
12343 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12345 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12346 than -fno-unit-at-a-time.
12347 * doc/invoke.texi (Option Summary): Mention
12348 -fno-toplevel-reorder.
12349 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12350 -funit-at-a-time documentation.
12352 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12353 Kazu Hirata <kazu@codesourcery.com>
12355 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12357 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12359 * Makefile.in (FUNCTION_H): New. Use it instead of
12360 function.h throughout the file.
12361 * function.h: Include tree.h.
12363 2006-01-17 Ben Elliston <bje@au.ibm.com>
12365 * recog.c: Separate some functions with whitespace.
12367 2006-01-16 Richard Henderson <rth@redhat.com>
12369 Merge from gomp branch:
12370 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12371 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12372 and rename from struct inline_data. Rename callee* to dst*;
12373 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12374 transform_new_cfg, transform_return_to_modify, and
12375 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12377 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12378 (copy_decl_for_dup): Remove.
12379 * tree-inline.c (struct inline_data): Move to header.
12380 (insert_decl_map): Export.
12381 (remap_decl): Update for member name changes. Use copy_decl hook.
12382 Allow for replacement to be a non-decl. Remove dead code.
12383 (remap_type_1): Check for existing mapping.
12384 (remap_type): Export.
12385 (remap_decls): Update for member name changes.
12386 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12387 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12388 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12389 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12390 (tree_function_versioning, build_duplicate_type): Likewise.
12391 (copy_body_r): Likewise. Export.
12392 (copy_decl_for_dup): Split into ...
12393 (copy_decl_for_dup_finish, copy_decl_to_var,
12394 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12395 (replace_ref_tree, inlining_p): Remove.
12397 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12399 * ifcvt.c (if_convert): Make it static.
12400 * rtl.h: Remove the prototype for if_convert.
12402 * local-alloc.c (local_alloc): Make it static.
12403 * rtl.h: Remove the prototype for local_alloc.
12405 * loop.c (loop_optimize): Make it static.
12406 * cfgloop.h: Remove the prototype for loop_optimize.
12409 2006-01-16 DJ Delorie <dj@redhat.com>
12411 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12414 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12416 * pa.md: Disparage copies between general and floating-point registers
12417 in 32-bit move patterns.
12419 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12422 * Makefile.in (check-%): Depend on site.exp instead of
12423 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12426 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12428 * global.c (global_alloc): Make it static.
12429 * rtl.h: Remove the prototype for global_alloc.
12431 2006-01-16 Richard Guenther <rguenther@suse.de>
12433 * tree-ssa-alias.c (struct used_part): Add write_only field.
12434 (get_or_create_used_part_for): Initialize it to true.
12435 (create_overlap_variables_for): Don't create structure variables
12436 for structures that only are written to.
12437 (find_used_portions): Handle MODIFY_EXPR to track whether a
12438 structure is only written to.
12440 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12442 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12444 * basic-block.h: Remove the prototype for
12445 partition_hot_cold_basic_blocks.
12447 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12449 * cppspec.c (lang_specific_spec_functions): Remove.
12450 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12451 * gcc.h (lang_specific_spec_functions): Remove.
12452 * gccspec.c (lang_specific_spec_functions): Remove.
12454 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12456 * combine.c (record_value_for_reg): Invalidate registers
12458 (record_dead_and_set_regs_1): Likewise, by passing them to
12459 record_value_for_reg.
12460 (record_dead_and_set_regs): Invalidate stores made by a
12461 call. We do not combine across a call, but we still
12462 relied on equivalences.
12464 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12466 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12467 vrp_int_const_binop returning non-constant nodes.
12469 2006-01-16 Paul Brook <paul@codesourcery.com>
12471 * config/m68k/m68k.c (output_move_const_into_data_reg):
12472 Output correct mnemonic for mvz and mvs.
12474 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12476 * rtl-factoring.c: Add sequence abstraction algorithm.
12477 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12478 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12480 (block_has_preserve_label): New function.
12481 * common.opt: Register new pass.
12482 * Makefile.in: Ditto.
12484 * timevar.def: Ditto.
12485 * tree-pass.h: Ditto.
12486 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12487 * rtl.h (make_jump_insn_raw): Add forward decl.
12488 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12490 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12491 Roger Sayle <roger@eyesopen.com>
12493 * fold-const.c (fold_minmax): New static function.
12494 (fold_binary) <MIN_EXPR>: Call it.
12495 <MAX_EXPR>: Likewise.
12496 * stor-layout.c (place_field): Use DECL_SIZE consistently
12497 in the computation of the new record size.
12499 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12501 * cse.c (cse_condition_code_reg): Make it static.
12502 * rtl.h: Remove the prototype for cse_condition_code_reg.
12504 * combine.c (combine_instructions): Make it static.
12505 * rtl.h: Remove the prototype for combine_instructions.
12507 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12510 * tree.c (get_file_function_name_long): Concatenate the first global
12511 object name with a string derived from the input filename of the object
12514 2006-01-16 Ben Elliston <bje@au.ibm.com>
12516 * config/i386/winnt-stubs.c: Update FSF address.
12517 * config/xtensa/ieee754-df.S: Ditto.
12518 * config/xtensa/ieee754-sf.S: Ditto.
12520 2006-01-14 Ian Lance Taylor <ian@airs.com>
12522 * ifcvt.c (noce_init_if_info): New static function, broken out of
12523 noce_process_if_block.
12524 (noce_process_if_block): Call noce_init_if_info.
12525 (check_cond_move_block): New static function.
12526 (cond_move_process_if_block): New static function.
12527 (process_if_block): Call cond_move_process_if_block.
12529 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12531 * cselib.c (hash_table): Rename to cselib_hash_table.
12532 (cselib_clear_table, discard_useless_values,
12533 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12534 cselib_init, cselib_finish): Adjust uses of hash_table.
12536 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12538 PR tree-optimization/25485
12539 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12540 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12541 is known to be false and true, respectively.
12543 2006-01-14 Richard Guenther <rguenther@suse.de>
12545 PR tree-optimization/22548
12546 PR tree-optimization/22555
12547 PR tree-optimization/22501
12548 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12549 * params.def (salias-max-array-elements): New parameter.
12550 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12551 * doc/invoke.texi (salias-max-array-elements): Document.
12552 * tree-flow-inline.h (var_can_have_subvars): We also handle
12554 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12556 * tree-ssa-structalias.c (params.h): Include.
12557 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12558 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12559 (get_constraint_for): For ADDR_EXPR operating on something
12560 containing an ARRAY_REF, add all subvars to the solution.
12561 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12562 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12563 for creating MUST_DEFs.
12564 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12566 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12568 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12570 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12571 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12572 number_of_iterations_le): New functions.
12573 (number_of_iterations_special): Removed.
12574 (number_of_iterations_exit): Do not use number_of_iterations_special.
12575 * tree.c (unsigned_type_for): Always return integer type.
12577 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12578 Richard Guenther <rguenther@suse.de>
12580 PR rtl-optimization/24257
12581 * gcse.c (find_moveable_store): Only consider a store movable
12582 when the SET_SRC of the insn can be assigned to a register.
12584 2006-01-14 Ian Lance Taylor <ian@airs.com>
12586 * tree.c (tree_not_class_check_failed): New function.
12587 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12588 (tree_not_class_check_failed): Declare.
12590 2006-01-13 Ian Lance Taylor <ian@airs.com>
12592 * reload1.c (do_output_reload): Add assertion rejecting a
12595 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12597 * combine.c (struct reg_stat): Add new fields truncation_label and
12599 (record_value_for_reg): Reset truncated_to_mode.
12600 (record_truncated_value): New function.
12601 (check_promoted_subreg): Call it. Rename to check_conversions.
12602 (combine_instructions): Rename check_promoted_subreg to
12604 (reg_truncated_to_mode): New function.
12605 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12606 (gen_lowpart_or_truncate): New function.
12607 (force_to_mode): Use it instead of gen_lowpart.
12609 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12611 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12612 VAR is a tag, not its type tag.
12614 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12616 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12617 alternatives to match style of other entries.
12618 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12620 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12622 PR tree-optimization/25771
12623 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12626 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12629 * tree-inline.c (declare_return_variable): If the return variable
12630 was marked as a non gimple complex, set the return slot variable
12631 to be a non gimple comple variable.
12633 2006-01-13 Richard Guenther <rguenther@suse.de>
12635 * builtins.c (expand_builtin_sincos): New function.
12636 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12638 (expand_builtin): Expand sincos using expand_builtin_sincos.
12640 2006-01-12 DJ Delorie <dj@redhat.com>
12642 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12643 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12644 so that constant shifts can be split.
12645 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12646 (m32c_valid_pointer_mode): Make static.
12647 (shift_gen_func_for): New.
12648 (m32c_prepare_shift): Use it. Split large const shifts into
12650 * config/m32c/predicates.md (shiftcount_operand): Allow more
12652 (longshiftcount_operand): New.
12653 * doc/md.texi (Machine Constraints): Document In6.
12655 2006-01-13 Ben Elliston <bje@au.ibm.com>
12657 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12658 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12661 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12663 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12664 to try to avoid clobbering pieces of structures when we know
12665 something about the whole structure.
12666 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12668 2006-01-13 Ben Elliston <bje@au.ibm.com>
12670 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12671 return in memory, as this is no limitation is no longer present.
12673 2006-01-12 DJ Delorie <dj@redhat.com>
12675 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12676 mova with fb, and for fb+0 -> An.
12678 * config/m32c/mov.md (peephole2): Fix enabling logic.
12680 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12681 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12682 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12683 FINI_ARRAY_SECTION_ASM_OP): Define.
12685 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12687 (m32c_legitimize_reload_address): New logic to reload FB to An.
12688 (m32c_output_reg_push): Add newline.
12689 (m32c_output_reg_pop): Likewise.
12691 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12693 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12695 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12697 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12699 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12701 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12704 2006-01-11 Ben Elliston <bje@au.ibm.com>
12706 * rtlanal.c (find_reg_note): Assert insn is not null.
12708 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12710 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12713 2006-01-11 Jeff Law <law@redhat.com>
12715 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12717 (mark_threaded_blocks, register_jump_thread): New functions.
12718 (thread_through_all_blocks): Remove unwanted argument. No
12719 longer rely on e->aux to communicate thread target info.
12720 Call mark_threaded_blocks. Release the threaded_blocks
12721 bitmap and threaded_edges vector when complete.
12722 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12723 (threaded_blocks): Remove.
12724 (tree_ssa_dominator_optimize): Remove initialization and
12725 finalization of threaded_blocks. Simplify call to
12726 thread_through_all_blocks.
12727 (thread_across_edge): Call register_jump_thread rather than
12728 storing thread information into e->aux.
12729 (free_all_edge_infos): Simplify now that e->aux is no longer
12730 used to communicate with thread_through_all_blocks.
12731 * tree-flow.h (thread_through_all_blocks): Update prototype.
12732 (register_jump_thread): Prototype.
12734 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12736 * df-core.c (df_compact_blocks, df_bb_replace): Use
12737 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12739 2006-01-11 Richard Guenther <rguenther@suse.de>
12741 PR tree-optimization/25734
12742 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12743 stop propagation after successful propagation to the LHS.
12745 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12747 * basic-block.h (control_flow_graph): Change the type of
12748 x_basic_block_info to VEC(basic_block,gc) *.
12749 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12751 (SET_BASIC_BLOCK): New.
12752 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12753 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12754 * cfgbuild.c (find_basic_blocks): Likewise.
12755 * cfglayout.c (fixup_reorder_chain): Likewise.
12756 * cfgrtl.c (create_basic_block_structure,
12757 rtl_create_basic_block): Likewise.
12758 * ifcvt.c (find_if_case_1): Likewise.
12759 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12762 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12764 * Makefile.in: Removed rotted odf.c entry.
12766 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12769 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12770 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12771 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12772 output pattern modifier, not %e.
12773 * config/cris/cris.c (cris_op_str): Update comment about pattern
12775 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12776 before falling through into...
12777 <case 'E'>: Redefined from old 'e' case.
12779 2006-01-11 Jan Hubicka <jh@suse.cz>
12782 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12784 2006-01-11 Jan Hubicka <jh@suse.cz>
12786 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12787 * i386.c (x86_decompose_lea): Kill.
12788 (ix86_rtx_costs): Kill.
12790 2006-01-11 Jan Hubicka <jh@suse.cz>
12792 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12793 * cgraph.h (cgraph_node): Add inline_decl.
12794 (cgraph_insert_node_to_hashtable): Declare.
12795 (save_inline_function_body): Declare.
12796 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12798 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12799 (cgraph_function_versioning): Update call of tree_function_versioning.
12800 (save_inline_function_body): New function.
12801 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12802 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12803 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12804 (cgraph_default_inline_p): Likewise.
12805 (cgraph_decide_inlining_incrementally): Likewise.
12806 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12807 (copy_bb): Kill saving; do updating of clones.
12808 (copy_cfg_body): Kill saving.
12809 (initialize_inlined-parameters): Likewise.
12810 (expand_call_inline): Likewise.
12812 (tree_function_versioning): New parameter "update_clones".
12813 (inlining_p): Kill saving.
12814 * tree-inline.h (tree_function_versioning): Update prototype.
12815 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12818 2006-01-11 Ian Lance Taylor <ian@airs.com>
12820 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12821 Allow undoing set of machine mode.
12822 (do_SUBST): Use enums instead of is_int.
12823 (do_SUBST_MODE): New function.
12824 (SUBST_MODE): New macro.
12825 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12826 reg and trying to replace reg_regno_rtx with a new register.
12827 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12828 (simplify_set): Use SUBST_MODE.
12829 (distribute_notes): Remove code that tried to update reg notes
12830 for regno_reg_rtx changes.
12832 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12834 PR tree-optimization/23109
12835 PR tree-optimization/23948
12836 PR tree-optimization/24123
12838 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12839 * tree-cfg.c (single_noncomplex_succ): New.
12840 * tree-flow.h (single_noncomplex_succ): Declare it.
12841 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12842 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12843 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12844 insert_bb, register_division_in, insert_reciprocals,
12845 replace_reciprocal, free_bb): New.
12846 (execute_cse_reciprocals_1): Rewritten.
12847 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12848 Do not commit any edge insertion. Always compute dominators and
12849 create the allocation pool.
12850 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12851 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12852 * targhooks.c (default_min_divistions_for_recip_mul): New.
12853 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12854 * passes.c (init_optimization_passes): Run recip after tree loop
12856 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12858 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12859 Kenneth Zadeck <zadeck@naturalbridge.com>
12861 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12862 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12863 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12864 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12865 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12866 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12867 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12868 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12869 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12870 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12871 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12872 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12873 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12874 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12875 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12876 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12877 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12878 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12879 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12880 DF_SCAN_POST_ALLOC): New macros.
12881 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12882 df_free_bb_function, df_local_compute_function, df_init_function,
12883 df_dataflow_function, df_confluence_function_0,
12884 df_confluence_function_n, df_transfer_function,
12885 df_finalizer_function, df_free_function, df_dump_problem_function,
12886 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12887 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12888 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12889 df_urec_bb_info, ) New types.
12890 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12892 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12893 df_analyze_simple_change_some_blocks,
12894 df_analyze_simple_change_one_block, df_compact_blocks,
12895 df_bb_replace, df_bb_regno_last_use_find,
12896 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12897 df_insn_regno_def_p, df_find_def, df_find_use,
12898 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12899 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12900 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12901 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12902 debug_df_chain, df_get_dependent_problem, df_chain_create,
12903 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12904 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12905 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12906 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12907 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12908 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12909 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12910 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12911 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12912 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12913 df_reorganize_refs, df_set_state, df_hard_reg_init,
12914 df_read_modify_subreg_p) New public functions.
12915 * df-core.c: The core dataflow solver and glue routines for rtl
12917 (df_init, df_add_problem, df_set_blocks, df_finish,
12918 df_hybrid_search_forward, df_hybrid_search_backward,
12919 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12920 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12921 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12922 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12923 df_reg_defined, df_find_use, df_reg_used, df_dump,
12924 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12925 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12926 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12927 debug_df_useno, reset_df_after_reload): New functions.
12928 * df-scan.c: The scanning fuctions, once in df.c, completely
12929 rewritten so that they now fully model the functionality of
12930 register usage at the backend.
12931 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12932 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12933 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12934 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12935 df_get_artificial_defs, df_get_artificial_uses,
12936 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12937 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12938 df_refs_delete, df_reorganize_refs, df_set_state,
12939 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12940 df_def_record_1, df_defs_record, df_uses_record,
12941 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12942 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12943 df_record_exit_block_uses, df_hard_reg_init): New functions.
12945 * df-problems.c: Seven concrete dataflow problems that use the
12946 scanning in df-scan.c and are solved by the engine in df-core.c.
12947 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12948 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12949 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12950 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12951 df_ru_free_bb_info, df_ru_alloc,
12952 df_ru_bb_local_compute_process_def,
12953 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12954 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12955 df_ru_transfer_function, df_ru_free, df_ru_dump,
12956 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12957 df_rd_free_bb_info, df_rd_alloc,
12958 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12959 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12960 df_rd_transfer_function, df_rd_free, df_rd_dump,
12961 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12962 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12963 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12964 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12965 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12966 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12967 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12968 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12969 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12970 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12971 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12972 df_urec_mark_reg_use_for_earlyclobber,
12973 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12974 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12975 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12976 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12977 df_chain_create_bb_process_use, df_chain_create_bb,
12978 df_chain_finalize, df_chain_free, df_chains_dump,
12979 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12980 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12981 df_reg_lifetime): New functions.
12982 * df.c: Deleted file.
12983 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12984 consistent with new df api.
12985 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12986 rest_of_handle_sms): Ditto.
12987 * web.c (unionfind_union, union_defs, entry_register, web_main):
12989 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12990 invariant_expr_equal_p, find_defs, check_dependencies,
12991 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12992 free_inv_motion_data, move_loop_invariants): Ditto.
12993 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12994 Update dependencies.
12995 (odf.c): Added defective entry that was deleted later in day.
12996 * sched-deps.c (sched_analyze_1): Ditto.
12998 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13000 * tree-ssa-operands.c (get_expr_operands): Record addressable
13001 variables directly. Do not call add_stmt_operands for CONST_DECLs
13003 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13004 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13006 2006-01-11 Ben Elliston <bje@au.ibm.com>
13008 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13009 function returns true in the positive case.
13011 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13014 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13015 for SI, DI, SF and DF modes. Add alternatives to copy between
13016 general and floating point registers to the 32-bit patterns.
13017 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13018 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13019 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13020 generating 64-bit code.
13021 * config/pa/pa.c (output_move_double): Handle copies between general
13022 and floating registers.
13024 2006-01-10 Stuart Hastings <stuart@apple.com>
13026 * config/i386/i386.md (set_got): Update.
13027 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13028 (builtin_setjmp_receiver): Mach-O support.
13029 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13030 (GOT_SYMBOL_NAME): Define.
13031 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13032 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13033 * config/i386/i386.c (override_options): Revise for Darwin.
13034 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13035 support. (darwin_x86_file_end): New. (output_set_got): Add label
13036 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13037 * config/i386/i386-protos.h (output_set_got): Likewise.
13038 * config/darwin.c (machopic_legitimize_pic_address): Update
13041 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13043 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13044 when MODE isn't BLKmode.
13046 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13048 PR rtl-optimization/25367
13049 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13051 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13054 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13055 for a negative bound.
13057 2006-01-10 Richard Guenther <rguenther@suse.de>
13059 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13060 Never override with anything constraint.
13062 2006-01-10 Jan Beulich <jbeulich@novell.com>
13064 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13065 256 bits when optimize_size.
13067 2006-01-10 Jan Beulich <jbeulich@novell.com>
13069 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13071 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13072 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13075 2006-01-10 Ben Elliston <bje@au.ibm.com>
13077 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13079 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13080 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13081 (USE_FP_FOR_ARG): Reject decimal float modes.
13082 (function_arg_advance): Likewise.
13083 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13084 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13085 point types in AltiVec vectors.
13086 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13087 (rs6000_libcall_value): Likewise.
13089 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13091 * config/xtensa/ieee754-df.S: New file.
13092 * config/xtensa/ieee754-sf.S: New file.
13093 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13094 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13095 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13097 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13099 * config/sh/predicates.md (binary_float_operator,
13100 binary_logical_operator, commutative_float_operator,
13101 equality_comparison_operator, greater_comparison_operator,
13102 less_comparison_operator, logical_operator,
13103 noncommutative_float_operator, shift_operator,
13104 symbol_ref_operand, unary_float_operator): Remove redundant
13107 2006-01-09 Jeff Law <law@redhat.com>
13109 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13110 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13111 now unused arguments. Callers updated.
13112 (eliminate_redundant_computations): Remove now unused arguments,
13114 (local_fold): Remove, no longer used.
13115 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13117 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13118 (simplify_cond): New function.
13119 (forward_propagate_into_cond): Call simplify_cond.
13121 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13123 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13124 (*vec_extractv2di_1_sse): New.
13126 2006-01-09 Ben Elliston <bje@au.ibm.com>
13128 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13130 2006-01-08 Richard Guenther <rguenther@suse.de>
13132 * tree-ssa-structalias.c (get_constraint_for): Remove
13133 anyoffset argument.
13134 (get_constraint_for_component_ref): Likewise.
13135 (do_deref): Likewise.
13136 (get_constraint_for): Likewise.
13137 (do_structure_copy): Likewise.
13138 (handle_ptr_arith): Likewise.
13139 (find_func_aliases): Likewise. Remove unused need_anyoffset
13142 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13143 Kaz Kojima <kkojima@gcc.gnu.org>
13145 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13146 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13147 (EXTRA_CONSTRAINT_C16): Remove.
13148 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13149 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13150 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13151 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13152 constants of SHmedia. Handle nested constant expressions of
13154 (andcosts): Fix the costs for SHmedia constants.
13155 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13156 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13157 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13158 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13159 (movv4hi_i, movv2si_i): Likewise.
13160 (movsi_const): Adjust the second operand of ior so to match with
13161 the Csu constraint.
13162 (movdi_const, movdi_const_32bit): Likewise.
13163 (movdi_const_16bit+1): Don't sign-extend LOW.
13164 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13166 (*double_shori): Fix the split condition. Use GEN_INT instead
13167 of get_int_mode calls. Mask lower 16-bit of the argument of
13169 (sym2GOTPLT): Remove.
13170 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13172 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13173 instead of EXTRA_CONSTRAINT_C16.
13175 2006-01-07 Ian Lance Taylor <ian@airs.com>
13176 David Edelsohn <edelsohn@gnu.org>
13178 PR rtl-optimization/25662
13179 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13180 for constant operands instead of simplify_gen_binary.
13181 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13182 after trying simplify_binary_operation
13184 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13186 * tree.c (iterative_hash_expr): Hash decls based on UID.
13188 2006-01-06 Eric Christopher <echristo@apple.com>
13190 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13191 (TARGET_UNWIND_EMIT): Fix spelling.
13192 * target.h (gcc_target): Add except_table_label.
13193 * except.c (output_function_exception_table): Use.
13194 * varasm.c (default_emit_except_table_label): New.
13195 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13197 (asm_out): Add here.
13198 * output.h (default_emit_except_table_label): Prototype.
13199 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13200 * config/darwin.c (darwin_emit_except_table_label): Define.
13201 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13203 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13205 PR tree-optimization/18527
13206 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13207 number_of_iterations_special, number_of_iterations_exit):
13208 Move base and step of an iv to a single structure. Add
13209 no_overflow flag, and use it in # of iterations analysis.
13210 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13211 folded_casts argument.
13212 (simple_iv): Pass base and step in a structure. Set no_overflow
13214 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13215 Evaluate expensiveness of computing # of iterations instead of
13216 the final expression.
13217 * tree-scalar-evolution.h (affine_iv): New structure.
13218 (simple_iv): Declaration changed.
13219 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13220 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13221 find_givs_in_stmt): Changed due to simple_iv change.
13223 2006-01-06 Jeff Law <law@redhat.com>
13226 * tree-cfg.c (bsi_replace): Rename final argument from
13227 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13228 change (stmt -> orig_stmt).
13229 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13230 (bsi_remove): Add new argument. Remove EH information
13232 (verify_eh_throw_table_statements): New function.
13233 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13235 * tree-optimize.c (execute_free_cfg_annotations): Verify
13236 the EH throw statement table after removing annotations.
13237 * except.h (verify_eh_throw_table_statements): Prototype.
13238 * tree-flow.h (bsi_remove): Update prototype.
13239 * tree-vrp.c (remove_range_assertions): Add new argument to
13241 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13242 * tree-complex.c (expand_complex_div_wide): Likewise.
13243 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13244 * tree-tailcall.c (eliminate_tailcall): Likewise.
13245 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13246 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13247 * tree-nrv.c (tree_nrv): Likewise.
13248 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13249 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13250 (combine_blocks): Likewise.
13251 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13252 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13253 (cleanup_control_flow): Likewise.
13254 (remove_forwarder_block): Likewise.
13255 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13256 * tree-sra.c (sra_replace): Likewise.
13257 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13258 (forward_propagate_single_use_vars): Likewise.
13259 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13260 * tree-inline.c (expand_call_inline): Likewise.
13261 * tree-vect-transform.c (vect_transform_loop): Likewise.
13262 * tree-outof-ssa.c (rewrite_trees): Likewise.
13263 * tree-cfg.c (make_goto_expr_edges): Likewise.
13264 (cleanup_dead_labels): Likewise.
13265 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13266 (bsi_move_before, bsi_move_after): Likewise.
13267 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13268 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13270 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13273 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13275 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13276 on non gimple variables. Also add checks at the top for decls and
13278 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13280 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13281 and IMAGPART_EXPR for creating MUST_DEFs.
13282 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13283 and NAME_MEMORY_TAG separately from the DECLs.
13285 2006-01-06 Richard Guenther <rguenther@suse.de>
13287 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13288 annotation, if necessary.
13289 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13290 redundant calls to update_stmt.
13291 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13294 2006-01-05 Richard Henderson <rth@redhat.com>
13296 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13298 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13300 * c-typeck.c: Update copyright date.
13302 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13304 * c-typeck.c (build_c_cast): Always warn when casting
13305 from a pointer to an integer of different size, even if
13306 the node was constant.
13308 2006-01-05 Richard Guenther <rguenther@suse.de>
13310 PR tree-optimization/22555
13311 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13312 if one structure field is an array.
13313 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13314 operands even if we found a subvar, but ignore VOPs in this
13316 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13318 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13320 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13322 PR middle-end/24998
13323 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13325 2006-01-05 Richard Guenther <rguenther@suse.de>
13326 Diego Novillo <dnovillo@redhat.com>
13328 * tree-pass.h (TODO_remove_unused_locals): Define.
13329 * gimple-low.c (expand_var_p, remove_useless_vars,
13330 pass_remove_useless_vars): Remove. Update all users.
13331 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13332 (remove_unused_locals): New function.
13333 * tree-flow.h (remove_unused_locals): Declare.
13334 * passes.c (execute_todo): Call remove_unused_locals if
13335 TODO_remove_unused_locals is set.
13336 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13337 * tree-ssa-dce.c (pass_dce): Likewise.
13338 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13340 2006-01-05 Richard Guenther <rguenther@suse.de>
13342 * tree-flow.h (struct fieldoff): Decompose field to
13343 type, size and decl.
13344 * tree-ssa-alias.c (create_sft): Take type as parameter.
13345 (create_overlap_variables_for): Store type, size and decl
13346 in the fieldoff structure.
13347 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13348 of struct fieldoff.
13349 (push_fields_onto_fieldstack): Likewise.
13350 (create_variable_info_for): Likewise. Use offset for the
13351 SFT name if the decl is not available.
13353 2006-01-04 Paul Brook <paul@codesourcery.com>
13355 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13357 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13359 * lambda-code.c (can_put_in_inner_loop): Relax
13361 (can_put_after_inner_loop): New function.
13362 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13363 (perfect_nestify): Change to make copies and modify uses.
13365 2006-01-04 Richard Henderson <rth@redhat.com>
13367 Merge from gomp branch:
13368 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13369 via integer constant.
13370 (pragma_lex): Remove.
13371 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13372 rather than parsing it.
13373 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13374 handle_pragma_extern_prefix): Add %< %> quotes.
13375 (registered_pragmas): New.
13376 (c_register_pragma_1): New.
13377 (c_register_pragma): Use it.
13378 (c_register_pragma_with_expansion): Likewise.
13379 (c_invoke_pragma_handler): New.
13380 (init_pragma): Use cpp_register_deferred_pragma directly for
13382 * c-pragma.h (enum pragma_kind): New.
13383 (pragma_handler): New.
13384 (c_invoke_pragma_handler): Declare.
13385 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13387 * c-common.h (c_common_pch_pragma): Update decl.
13388 * Makefile.in (c-parser.o): Update dependencies.
13389 (GTFILES): Add c-pragma.h.
13390 * c-parser.c (struct c_token): Add pragma_kind.
13391 (struct c_parser): Add in_pragma.
13392 (c_lex_one_token): Always initialize keyword and pragma_kind.
13393 Extract data for CPP_PRAGMA.
13394 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13395 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13396 Don't allow CPP_PRAGMA_EOL if in_pragma.
13397 (c_parser_consume_pragma): New.
13398 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13399 (c_parser_skip_to_end_of_parameter): Likewise.
13400 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13401 (c_parser_skip_to_pragma_eol): New.
13402 (c_parser_external_declaration): Handle CPP_PRAGMA.
13403 (c_parser_compound_statement_nostart): Likewise.
13404 (c_parser_statement_after_labels): Likewise.
13405 (c_parser_pragma): New.
13406 (pragma_lex): Likewise.
13407 (c_parser_pragma_pch_preprocess): New.
13408 (c_parser_new): Merge into ...
13409 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13411 2006-01-04 Jeff Law <law@redhat.com>
13414 * tree-cfg.c (bsi_replace): Remove the original statement
13415 from the EH throw statement table.
13417 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13419 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13420 make the prototype extern "C" and add throw ().
13423 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13424 and pos non-negative and pos + len <= 32.
13425 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13426 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13427 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13430 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13431 as well as sizes not multiple of component size.
13434 * function.c (instantiate_expr): New function.
13435 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13436 walk its DECL_VALUE_EXPR with instantiate_expr.
13438 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13439 DW_OP_deref{,_size} if address isn't going to be added.
13441 2006-01-04 Ben Elliston <bje@au.ibm.com>
13443 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13444 * config/fp-bit.c: Likewise.
13446 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13448 * dominance.c: Add comment about why we use DFS numbering
13451 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13452 Richard Henderson <rth@redhat.com>
13454 Merge from gomp-branch:
13455 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13456 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13458 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13460 PR rtl-optimization/25578
13461 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13462 pass a parameter to simplify_shift_const if changing ASHIFTRT
13465 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13467 * builtins.c (get_builtin_sync_mem): New function.
13468 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13469 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13470 Call get_builtin_sync_mem to generate mem rtx.
13472 2006-01-03 Richard Guenther <rguenther@suse.de>
13475 * stmt.c (add_case_node): Make sure to clear overflow flags
13478 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13480 Merge from gomp-branch.
13481 * config/sparc/sync.md: New file.
13482 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13483 UNSPECV_LDSTUB): New constants.
13484 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13485 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13486 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13489 2006-01-03 Roger Sayle <roger@eyesopen.com>
13491 * combine.c (reg_subword_p): New predicate to test whether the
13492 destination of a set refers to a subword/piece of a register.
13493 (try_combine): Generalize the code to merge the setting of a
13494 pseudo to a constant followed by a set of a subword of that
13495 register to a constant.
13497 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13499 * basic-block.h (control_flow_graph): Change the type of
13500 x_label_to_block_map to VEC(basic_block,gc) *.
13501 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13502 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13504 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13505 VEC(basic_block,heap) *.
13506 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13507 ssa_prop_fini): Adjust the uses of cfg_blocks.
13509 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13511 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13513 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13514 hashing trees instead of a pointer hash.
13515 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13516 compare for MEM_EXPR.
13518 PR rtl-optimization/25130
13519 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13520 when comparing MEMs for GCSE
13522 2006-01-03 Ben Elliston <bje@au.ibm.com>
13524 * targhooks.h (default_decimal_float_supported_p): Declare.
13525 * targhooks.c (default_decimal_float_supported_p): Define.
13526 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13527 `default_decimal_float_supported_p'.
13528 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13530 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13532 * combine.c (apply_distributive_law <SUBREG>): Check
13533 TRULY_NOOP_TRUNCATION.
13535 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13537 * dwarf2out.c (have_switched_text_section): Delete.
13538 (have_multiple_function_sections): New.
13539 (have_location_lists): Make 'bool'.
13540 (add_AT_loc_list): Use 'true' not '1'.
13541 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13542 (output_loc_list): Use have_multiple_function_sections.
13543 (output_ranges): Likewise.
13544 (dwarf2out_begin_function): Set have_multiple_function_sections if
13546 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13547 Check function_section rather than DECL_SECTION_NAME.
13548 (dwarf2out_finish): Use have_multiple_function_sections.
13549 Don't clear have_location_lists.
13551 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13552 Jan Hubicka <jh@suse.cz>
13554 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13555 case of conditional jump jumping to the next instruction.
13556 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13557 cases of conditional jump jumping to the next instruction.
13559 2006-01-02 Jan Hubicka <jh@suse.cz>
13561 * i386.c (*_cost): Add COSTS_N_INSNS.
13562 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13564 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13567 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13569 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13571 * config/arm/arm.c (all_fpus): Fix comment typo.
13572 * config/darwin.c: Likewise.
13573 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13574 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13575 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13577 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13579 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13580 (rs6000_split_compare_and_swapqhi): New.
13581 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13582 (sync_compare_and_swapqhi_internal): New.
13583 * config/rs6000/rs6000-protos.h: Declare.