1 2006-08-01 Dirk Mueller <dmueller@suse.de>
3 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7 * Makefile.in: Revert part of previous patch:
8 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
11 2006-07-30 Eric Christopher <echristo@apple.com>
14 * doc/extend.texi (i386 Variable Attributes): Add anchor.
15 (PowerPC Variable Attributes): New section.
17 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
19 PR target/28126 (partial fix)
20 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
22 2006-07-28 Jan Hubicka <jh@suse.cz>
24 PR rtl-optimization/28071
25 * cfgrtl.c (rtl_delete_block): Free regsets.
26 * flow.c (allocate_bb_life_data): Re-use regsets if available.
28 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
30 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
31 and variables used in dependencies.
33 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
35 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
36 %fs for -mcmodel=kernel.
37 (stack_tls_protect_test_di): Likewise.
39 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
41 * Makefile.in: Use mkinstalldirs.
43 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
46 * opts-common.c (prune_options): Skip joined switches.
48 2006-07-27 Jan Hubicka <jh@suse.cz>
50 PR rtl-optimization/28071
51 * cselib.c (cselib_process_insn): Don't remove useless values too
52 often for very large hashtables.
54 2006-07-27 Jan Hubicka <jh@suse.cz>
56 PR rtl-optimization/28071
57 * global.c (greg_obstack): New obstack.
58 (allocate_bb_info): Use it.
59 (free_bb_info): Likewise.
60 (modify_reg_pav): Likewise.
62 2006-07-27 Roger Sayle <roger@eyesopen.com>
64 * builtins.c (fold_fixed_mathfn): When long and long long are the
65 same size, canonicalize llceil*, llfloor*, llround* and llrint*
66 functions to their lceil*, lfloor*, lround* and lrint* forms.
68 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
71 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
73 (rev_branch_insn): Likewise.
75 2006-07-27 Jan Hubicka <jh@suse.cz>
77 PR rtl-optimization/28071
78 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
79 (reg_set_in_bb, max_reg_computed): New static variables.
80 (regmove_optimize): Free the new array.
81 (fixup_match_1): Update call of reg_is_remote_constant_p.
83 2006-07-26 Jan Hubicka <jh@suse.cz>
85 PR tree-optimization/27882
86 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
88 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
90 (cgraph_analyze_compilation_unit): Likewise.
91 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
92 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
93 (cgraph_early_inlinine): Make order garbage collected.
94 * Makefile.in (gt-ipa-inline): New garbagecollected file.
96 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
98 * dbxout.c (output_types_sort): Add a comment.
99 (output_used_types): Free the VEC.
101 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
103 * function.c (reorder_fix_fragments): Delete.
104 (reorder_blocks): Don't call it.
105 (reorder_blocks_1): Put all subblocks under the origin block.
107 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
109 PR rtl-optimization/27907
110 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
113 2006-07-25 Roger Sayle <roger@eyesopen.com>
116 * convert.c (convert_to_integer): When transforming (T)foo(x) into
117 bar(x) check that bar's result type can represent all the values of T.
119 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
121 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
123 2006-07-25 Nick Clifton <nickc@redhat.com>
125 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
127 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
128 (ggc_pch_count_object): Likewise.
129 (ggc_pch_alloc_object): Likewise.
130 (ggc_pch_write_object): Likewise.
131 (init_ggc): Do not attempt to initialize entries in the
132 size_lookup[] array for objects whose size is greater than than
133 the length of the array.
135 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
137 * dbxout.c (output_used_types_helper): Push queued types
139 (output_types_sort): New.
140 (output_used_types): Collect used types on a VEC and sort them
143 2006-07-24 Richard Guenther <rguenther@suse.de>
146 * cgraph.c (cgraph_remove_node): Do not check if dumps
148 * cgraphunit.c (cgraph_optimize): Likewise.
150 2006-07-24 Jan Hubicka <jh@suse.cz>
152 PR rtl-optimization/28071
153 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
154 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
155 splitting before first stmt.
157 2006-07-24 Jan Hubicka <jh@suse.cz>
159 PR rtl-optimization/28071
160 * ipa-inline.c (update_caller_keys): Remove edges that
161 are no longer inline candidates.
163 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
166 * dbxout.c (output_used_types_helper, output_used_types): New.
167 (dbxout_symbol): Call output_used_types.
169 2006-07-23 Jan Hubicka <jh@suse.cz>
173 * cgraph.c (cgraph_varpool_nodes): Export.
174 (decide_is_variable_needed): Ignored "used" attribute in
176 * cgraph.h (cgraph_varpool_nodes): Declare.
177 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
180 2006-07-23 Roger Sayle <roger@eyesopen.com>
183 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
184 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
185 the __gthrw form of thr_keycreate.
186 (__gthread_key_delete): Silence the unused argument warning.
188 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
191 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
192 Cache the last found '\0' marker to avoid quadratic behavior.
194 2006-07-23 Jan Hubicka <jh@suse.cz>
196 * i386.md (subsi_3_zext): Fix output template.
198 2006-07-21 Mike Stump <mrs@apple.com>
200 * doc/invoke.texi (C++ Dialect Options): Note that
201 -fvisibility-inlines-hidden doesn't affect explicitly
202 instantiationed inline methods.
204 2006-07-20 Roger Sayle <roger@eyesopen.com>
206 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
207 if the target assembler is GNU binutils' gas.
208 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
209 whether to pass GNU gas or native as command line options.
211 2006-07-20 Jason Merrill <jason@redhat.com>
213 * tree.c (remove_attribute): New fn.
214 * tree.h: Declare it.
216 2006-07-20 Paul Brook <paul@codesourcery.com>
219 * cse.c (cse_insn): Add destination addresses to hash table. Check if
220 they are invalidated by this instruction.
222 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
225 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
227 2006-07-20 Eric Christopher <echristo@apple.com>
230 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
232 2006-07-19 Eric Christopher <echristo@apple.com>
234 * config/t-slibgcc-darwin (stmp-lipo): Remove.
235 Rewrite dependencies for libgcc_s.1.dylib.
237 2006-07-19 Jakub Jelinek <jakub@redhat.com>
239 * except.c (duplicate_eh_regions_1): Clear next_peer.
241 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
243 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
244 -mlongcall does not guarantee all calls will be long.
245 * doc/extend.texi (long_call/short_call): Document that longcall
246 does not guarantee a long call will be used.
247 (longcall/shortcall): Likewise.
249 2006-07-18 Roger Sayle <roger@eyesopen.com>
252 * expmed.c (expand_shift): Additionally check that the shift_cost
253 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
254 before implementing a LSHIFT_EXPR as a sequence of additions.
255 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
256 middle-end that DImode shifts need to be synthesized by expand.
258 2006-07-18 Diego Novillo <dnovillo@redhat.com>
261 * tree-ssa-operands.c (access_can_touch_variable): Update
263 Return true if ALIAS is .GLOBAL_VAR.
265 2006-07-18 David Daney <ddaney@avtrex.com>
267 * gcc.c (display_help): Fix typo in help text.
269 2006-07-18 Olivier Hainque <hainque@adacore.com>
271 * tree.h (categorize_ctor_elements): Adjust prototype and add
272 descriptive comment, both in accordance with the interface change
274 * varasm.c (constructor_static_from_elts_p): New function.
275 Whether a constructor node is a valid static constant initializer
276 if all its elements are.
277 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
278 * output.h: Declare it.
279 * expr.c (categorize_ctor_elements_1): Return whether the constructor
280 is a valid constant initializer instead of computing the number of
281 non-constant elements. Use constructor_static_from_elts_p for this
282 purpose. Replace the head comment with an indication that this is a
283 helper for categorize_ctor_elements.
284 (categorize_ctor_elements): Same interface change as for the _1
285 helper. Former head comment from this helper moved here, adjusted to
286 account for the interface changes.
287 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
288 (all_zeros_p): Likewise.
289 * gimplify.c (gimplify_init_constructor): Decide whether we can make
290 static versions of the constructor from the categorize_ctor_elements
291 return value instead of the formerly computed number of non-constant
294 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
296 * configure: Regenerate.
297 * Makefile.in (build_libsubdir): New configure substitution
298 (build_libobjdir): New variable.
299 (BUILD_LIBIBERTY): Use it.
301 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
304 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
306 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
309 * c-common.c (handle_weakref_attribute): Ignore attribute in
310 the same conditions the alias attribute is ignored.
312 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
314 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
315 (dbxout_begin_prologue): Increment scope_labelno.
317 2006-07-17 Richard Henderson <rth@redhat.com>
320 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
323 2006-07-17 Roger Sayle <roger@eyesopen.com>
324 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
326 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
327 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
328 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
329 functions such as sbrk, write, etc.. Add function prototypes.
330 Convert function declarations from K&R to ISO C. Cast pointers
331 to "long" and "unsigned long" instead of "int" and "unsigned int".
332 Convert tokens following #endif into comments.
334 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
336 * invoke.texi: Remove mention of f77; Reformat table for
337 inline parameter options correctly; mention that -malign-double
338 is default on x86-64 targets.
340 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
342 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
343 (convert_affine_scev, chrec_convert_aggressive): Use
344 avoid_arithmetics_in_type_p. Do not check for the subtypes
347 2006-07-17 Richard Sandiford <richard@codesourcery.com>
350 * optabs.c (expand_doubleword_shift): Wrap the call to
351 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
353 2006-07-17 Richard Sandiford <richard@codesourcery.com>
356 * optabs.c (expand_binop): Pass next_methods rather than methods
357 to expand_doubleword_shift.
359 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
362 * tree.h (dump_addr): Declare.
363 * print-tree.c (dump_addr): New function.
364 (print_node_brief, print_node): Use it.
365 * print-rtl.c (print_rtx): Likewise.
366 * common.opt (-fdump-noaddr): New option.
367 * doc/invoke.texi (-fdump-noaddr): Document.
368 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
369 (ve_info_hash): Likewise.
371 2006-07-13 Andrew Haley <aph@redhat.com>
373 PR tree-optimization/19505
374 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
375 edge leaving this block, make sure that the destination of this
376 block has only one predecessor.
378 2006-07-17 Richard Guenther <rguenther@suse.de>
380 PR tree-optimization/28238
381 * tree-inline.c (copy_bb): Check if we produced valid
382 gimple copying and substituting a stmt. If not, gimplify
385 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
387 * optabs.c (maybe_encapsulate_block): New function extracted from...
388 (emit_libcall_block): ...here. Invoke it on the block of insns to
389 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
390 (emit_no_conflict_block): Likewise.
392 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
394 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
396 2006-07-15 Roger Sayle <roger@eyesopen.com>
398 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
399 a new NOP_EXPR case of the switch statement.
401 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
404 * stor-layout.c (place_field): Take the bit field with
405 an excessive size into account in the ms-bitfiled case.
408 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
409 the previous bit field.
411 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
414 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
416 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
418 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
419 signal frames correctly even when the signal was installed with
422 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
424 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
425 (dbxout_function_end): Use local label LFBB. Remove hook
427 (dbxout_source_line): Use local label LFBB.
428 (dbxout_block): Likewise.
429 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
430 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
431 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
434 2006-07-13 Janis Johnson <janis187@us.ibm.com>
436 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
438 2006-07-13 Jan Hubicka <jh@suse.cz>
440 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
442 * output.h (align_variable): Declare.
443 * varasm.c (align_variable): Export.
444 * value-prof.c (tree_value_profile_transformations): Recompute iterator
445 when basic block changed.
447 2006-07-13 Nick Clifton <nickc@redhat.com>
449 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
450 walking the LOG_LINKS chain.
452 2006-07-12 Geoffrey Keating <geoffk@apple.com>
454 * doc/invoke.texi (C++ Dialect Options): Explain difference
455 between -fvisibility-inlines-hidden and setting hidden
456 visibility explicitly.
458 2006-07-12 Eric Christopher <echristo@apple.com>
460 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
461 (stmp-lipo): Depend on libgcc.a.
463 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
465 * tree.c: Fix a comment typo.
467 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
469 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
471 (umulhisi3_r): Likewise.
473 2006-07-12 Paolo Carlini <pcarlini@suse.de>
476 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
477 x < 19, vs wchar_t support.
479 2006-07-12 Nick Clifton <nickc@redhat.com>
481 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
484 2006-07-12 Mike Stump <mrs@apple.com>
486 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
488 2006-07-10 Eric Christopher <echristo@apple.com>
490 * config/t-slibgcc-darwin: Rewrite.
492 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
495 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
498 2006-07-08 Matthias Klose <doko@debian.org>
500 * doc/sourcebuild.texi: Fix typo.
502 2006-07-07 Mike Stump <mrs@apple.com>
504 * toplev.c (process_options): Don't give -ffunction-sections may
505 affect debugging warning for Mach-O.
507 2006-07-07 James E Wilson <wilson@specifix.com>
509 * config/mips/mips.md (cpu): Add sb1a.
510 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
511 addition to sb1. Adjust comments to clarify SB-1A differences from
513 (ir_sb1a_load): New. Modify bypasses to use it.
514 (ir_sb1a_simple_alu): Likewise.
515 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
516 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
517 (mips_issue_rate): Add PROCESSOR_SB1A.
518 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
519 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
520 (TARGET_SB1): Add PROCESSOR_SB1A check.
521 (TUNE_SB1): Likewise.
523 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
524 * config/mips/mips.c (mips_store_data_bypass_p): New.
525 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
528 2006-07-08 Paul Brook <paul@codesourcery.com>
531 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
533 2006-07-07 Richard Guenther <rguenther@suse.de>
536 * tree.h (build_one_cst): Declare.
537 * tree.c (build_one_cst): New function.
538 * tree-ssa-math-opts.c (get_constant_one): Remove.
539 (insert_reciprocals): Use build_one_cst.
540 * fold-const.c (fold_plusminus_mult): Likewise.
542 2006-07-07 Roger Sayle <roger@eyesopen.com>
544 * pointer-set.c (pointer_set_destroy): Correct whitespace.
545 * cfgloopanal.c (dump_graph): Likewise.
546 * dojump.c (discard_pending_stack_adjust): Likewise.
547 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
549 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
550 * function.c (finalize_block_changes): Likewise.
551 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
552 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
553 * rtl.c (dump_rtx_statistics): Likewise.
554 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
556 * varray.c (dump_varray_statistics): Likewise.
557 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
558 decode_decimal64, encode_decimal128, decode_decimal128,
559 decimal_real_to_decimal): Likewise.
561 2006-07-07 Richard Guenther <rguenther@suse.de>
563 PR tree-optimization/28187
564 * tree-vrp.c (vrp_operand_equal_p): New function.
565 (vrp_bitmap_equal_p): Likewise.
566 (update_value_range): Use them to compare old and new
569 2006-07-06 Roger Sayle <roger@eyesopen.com>
571 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
572 a default case to switch statement to silence compiler warnings.
574 2006-07-06 Roger Sayle <roger@eyesopen.com>
577 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
578 the configured assembler supports the x87's ffreep mnemonic.
579 * configure: Regenerate.
580 * config.in: Regenerate.
582 * config/i386/i386.c (output_387_ffreep): New function.
583 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
584 (output_387_reg_move): Likewise.
586 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
588 Port to hosts whose 'sort' and 'tail' implementations
589 treat operands with leading '+' as file names, as POSIX
590 has required since 2001. However, make sure the code still
591 works on pre-POSIX hosts.
592 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
593 which says you should use "tail -c +N" rather than "tail +Nc".
594 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
596 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
598 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
601 2006-07-06 David Edelsohn <edelsohn@gnu.org>
604 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
605 PRE_{INC,DEC} of TFmode.
607 2006-07-06 David Edelsohn <edelsohn@gnu.org>
608 Alan Modra <amodra@bigpond.net.au>
611 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
614 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
617 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
618 Remove duplicate gtu.
620 2006-07-05 Jason Merrill <jason@redhat.com>
624 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
625 * c-common.c (handle_packed_attribute): So don't copy it here.
626 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
628 2006-07-05 Mike Stump <mrs@apple.com>
630 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
632 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
635 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
637 2006-07-05 Richard Guenther <rguenther@suse.de>
640 * config/i386/i386.md (*negdf2_1): Restrict pattern to
641 TARGET_SSE2 targets if using SSE math.
642 (*absdf2_1): Likewise.
644 2006-07-05 Richard Guenther <rguenther@suse.de>
646 PR tree-optimization/28162
647 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
648 make sure to convert the operands to the correct type.
650 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
652 PR tree-optimization/28218
654 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
655 to calculate and free the dominator information.
657 2006-07-04 Peter O'Gorman <peter@pogma.com>
659 * mklibgcc.in: chmod 644 before ranlib during install.
661 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
662 J"orn Rennecke <joern.rennecke@st.com>
664 * configure.ac (.eh_frame data check): Use diff -b.
666 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
669 * Makefile.in (BUILD_RTL): Add build/vec.o.
670 (build/gencondmd.o): Filter out -fkeep-inline-functions.
671 (build/genextract): Delete.
672 (build/genautomata): Likewise.
674 2006-07-04 Alan Modra <amodra@bigpond.net.au>
677 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
678 128-bit IBM long doubles for ABI_V4.
680 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
682 * tree.c (range_in_array_bounds_p): New predicate.
683 * tree.h (range_in_array_bounds_p): Declare it.
684 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
685 return a less conservative answer.
686 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
688 (IS_ELEMENT_FOR_GROUP): New macro.
689 (FOR_EACH_ACTUAL_CHILD): Likewise.
690 (next_child_for_group): New helper function.
691 (can_completely_scalarize_p): Take into account groups.
692 (sra_hash_tree): Handle RANGE_EXPR.
693 (sra_elt_eq): Likewise.
694 (lookup_element): Be prepared for handling groups.
695 (is_valid_const_index): Delete.
696 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
697 instead of is_valid_const_index.
698 <ARRAY_RANGE_REF>: New case.
699 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
700 is_valid_const_index.
701 <ARRAY_RANGE_REF>: Do not unconditionally punt.
702 (scan_dump): Dump info for groups too.
703 (decide_instantiation_1): Likewise.
704 (decide_block_copy): Assert that the element is not a group.
705 Propagate decision to groups.
706 (generate_one_element_ref): Handle RANGE_EXPR.
707 (mark_no_warning): Iterate over actual childs.
708 (generate_copy_inout): Likewise.
709 (generate_element_copy): Likewise.
710 (generate_element_zero): Likewise.
711 (generate_element_init_1): Likewise.
712 (dump_sra_elt_name): Handle RANGE_EXPR.
714 2006-07-03 Roger Sayle <roger@eyesopen.com>
716 PR tree-optimization/26251
717 * tree-ssa-threadupdate.c (redirection_block_p): New function.
718 (thread_block): When optimizing for size refuse to thread jumps
719 that would require duplication of blocks other than redirection
722 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
724 * configure.ac: Fix thinko in previous check-in.
725 * configure: Regenerate.
727 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
730 * configure.ac (for lang...): Simplify nesting of conditionals.
731 Test subdir_requires for non-enabled languages. Move processing
732 of lang_opt_files and lang_tree_fiels below that test.
733 * configure: Regenerate.
734 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
736 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
738 * doc/gcov.texi (Invoking Gcov): Add a missing word.
740 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
742 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
745 2006-06-29 Jason Merrill <jason@redhat.com>
752 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
753 * c-common.c (c_determine_visibility): Handle it here.
754 * c-decl.c (finish_decl): Call c_determine_visibility for
756 * flags.h (enum symbol_visibility): Sort from most to least visibility.
758 * varasm.c (default_assemble_visibility): Likewise.
759 * c-common.c (handle_visibility_attribute): Complain about trying
760 to give visibility to an already defined class, or trying to change
761 declared visibility. Always attach the attribute.
766 * attribs.c (decl_attributes): Ignore type-in-place attributes
767 once the type has been defined.
769 2006-06-29 Roger Sayle <roger@eyesopen.com>
772 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
773 to indicate the cpplib has issued an error message for us.
775 2006-06-29 Asher Langton <langton2@llnl.gov>
778 * config/i386/i386.c (ix86_output_function_epilogue): Don't
779 insert a label at the end of an function under Mach-O.
781 2006-06-29 Eric Christopher <echristo@apple.com>
782 Evan Cheng <evan.cheng@apple.com>
784 * predicates.md (vector_all_ones_operand): New.
785 (nonimmediate_or_sse_const_operand): Ditto.
786 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
787 * config/i386/i386.c (standard_sse_constant_opcode): Define.
788 (standard_sse_mode_p): Ditto.
789 (standard_sse_constant_p): Add case for -1 vector.
790 (ix86_expand_vector_move): Try to use.
791 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
792 Call standard_sse_constant_opcode.
793 (*movv4sf_internal): Ditto.
794 (*movv2df_internal): Ditto.
796 2006-06-29 Roger Sayle <roger@eyesopen.com>
798 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
799 of XEXP to extract the operands of a MATCH_CODE rtx.
801 2006-06-28 Andrew Pinski <pinskia@gmail.com>
803 * tree.c (tree_size): Do not waste tail padding in
804 struct tree_string and make the size be the same as
805 build_string will generate.
807 2006-06-28 Jason Merrill <jason@redhat.com>
810 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
811 may_aliases already in the tag's annotations to the bitmap.
813 2006-06-28 Roger Sayle <roger@eyesopen.com>
815 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
817 2006-06-28 Roger Sayle <roger@eyesopen.com>
819 * genpreds.c (generate_switch_p): New function.
820 (add_mode_tests): Push the new mode test down inside an AND expr
821 if this allows the switch-suitable MATCH_CODE to be near the root.
822 (write_match_code_switch): New function to write a MATCH_CODE as
824 (write_predicate_stmts): New function to write a predicate RTX
825 expression as a sequence of statements.
826 (write_one_predicate_function): Use write_predicate_stmts.
827 (write_tm_constrs_h): Likewise.
829 2006-06-26 Fred Fish <fnf@specifix.com>
831 * config/mips/t-sb1: New file.
832 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
835 2006-06-26 DJ Delorie <dj@redhat.com>
837 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
839 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
840 Jayant Sonar <jayants@kpitcummins.com>
841 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
843 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
844 (subsi3, subsi3_1, subsi3_2): New.
845 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
846 * config/m32c/mov.md (SI mov peephole): New.
847 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
848 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
850 2006-06-26 Olivier Hainque <hainque@adacore.com>
852 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
853 a CALL_EXPR target function declaration.
855 2006-06-26 Richard Guenther <rguenther@suse.de>
857 * tree.c (build_string): Do not waste tail padding in
860 2006-06-26 Richard Guenther <rguenther@suse.de>
862 * ggc-page.c (init_ggc): Add missing element to size_lookup
866 2006-06-23 Richard Guenther <rguenther@suse.de>
868 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
869 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
870 alignment requests instead. Add verification code.
871 Add struct tree_function_decl and struct tree_binfo size to
872 extra_order_size_table. Add missing element to size_lookup
875 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
878 * fold-const.c (const_binop): Be prepared for self returning zero.
879 Simplify code handling complex values.
881 2006-06-24 Olivier Hainque <hainque@adacore.com>
883 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
884 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
887 2006-06-24 Olivier Hainque <hainque@adacore.com>
889 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
890 ARRAY_REF, so have the callback called for the low bound expression.
892 2006-06-23 Janis Johnson <janis187@us.ibm.com>
894 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
895 * c-typeck.c (c_common_type): Disallow operations on decimal float
896 types and other float types.
897 * convert.c (convert_to_real): Don't ignore conversions involving
900 2006-06-23 Olivier Hainque <hainque@adacore.com>
902 * tree.c (max_int_size_in_bytes): New function, inspired from
903 code in function.c:assign_temp.
904 * tree.h (max_int_size_in_bytes): Declare.
905 * function.c (assign_temp): Use it.
906 * gimplify.c (create_tmp_var): Relax the assertions on the type
907 properties, not mandating constant size any more.
908 (force_constant_size): New static function.
909 (gimple_add_tmp_var): Use it, forcing variable size to a
910 constant upper bound if it is not constant on entry.
912 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
915 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
916 for initialization and setting of one_only flag to ...
917 (i386_pe_encode_section_info): ...here.
918 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
919 Recheck that the symbol has not been defined.
921 2006-06-23 Richard Guenther <rguenther@suse.de>
923 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
924 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
925 alignment requests instead. Add verification code.
926 Add struct tree_function_decl and struct tree_binfo size to
927 extra_order_size_table. Add missing element to size_lookup
930 2006-06-22 Roger Sayle <roger@eyesopen.com>
931 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
934 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
935 call to lang_hooks.types.type_for_mode returned NULL_TREE.
937 2006-06-23 Ben Elliston <bje@au.ibm.com>
939 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
940 negate dn -- manipulate it directly.
942 2006-06-22 Roger Sayle <roger@eyesopen.com>
943 Steven Bosscher <stevenb.gcc@gmail.com>
946 * reload1.c (gen_reload): Call mark_jump_label on the new insns
947 generated by gen_move_insn to add REG_LABEL notes if necessary.
949 2006-06-22 Bob Wilson <bob.wilson@acm.org>
951 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
952 (leaf_entry): Remove use of MIN_ESA.
954 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
956 PR rtl-optimization/28121
957 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
960 2006-06-21 DJ Delorie <dj@redhat.com>
962 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
964 (mulhisi3_r): Likewise.
966 2006-06-21 Richard Sandiford <richard@codesourcery.com>
969 * coverage.c (coverage_counter_alloc): Leave the index type
971 (coverage_counter_alloc): Use null arguments for operands 2 and 3
974 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
976 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
977 section from the "Options for Code Generation Conventions".
979 2006-06-21 Richard Henderson <rth@redhat.com>
983 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
985 (global_symbolic_operand): Allow weak symbols, even if local_p.
987 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
989 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
990 (find_interesting_uses_address): Punt if above function returns true.
992 2006-06-21 Richard Guenther <rguenther@suse.de>
994 * configure: Regenerated.
996 2006-06-21 Joseph Myers <joseph@codesourcery.com>
998 * config/mips/mips.c (function_arg): Where one part of a
999 complex argument is in registers and the other part in the stack,
1000 return a REG not a PARALLEL.
1002 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1004 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1005 when cross-compiling. Do not substitute libstdcxx_incdir.
1006 * configure: Regenerated.
1008 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1010 * varasm.c (mergeable_string_section): Check for embedded NULs and
1011 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1012 rather than TREE_STRING_LENGTH bytes.
1014 2006-06-21 Richard Guenther <rguenther@suse.de>
1016 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1017 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1020 2006-06-21 Richrad Guenther <rguenther@suse.de>
1022 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1023 Limit iteration over the dominators.
1025 2006-06-20 Roger Sayle <roger@eyesopen.com>
1027 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1028 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1030 2006-06-20 Richard Guenther <rguenther@suse.de>
1031 Michael Matz <matz@suse.de>
1033 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1035 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1036 * et-forest.h (et_free_pools): Prototype new function.
1037 * et-forest.c (et_free_tree_force): Free parent occurrence.
1038 (et_free_pools): New function.
1039 * dominance.c (free_dominance_info): Free et-forest alloc
1042 2006-06-20 Roger Sayle <roger@eyesopen.com>
1044 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1045 integer modes, attempt to directly construct an integer constant.
1047 * fold-const.c (native_encode_vector): Determine the size of each
1048 element from the vector type instead of the first vector element.
1050 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1051 if all of its elements/components are constant.
1052 (build_constructor_from_list): Likewise.
1054 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1056 PR tree-optimization/27331
1057 * tree-data-ref.c (free_data_ref): New function.
1058 (create_data_ref): Fail if the data reference has unknown access
1060 (free_data_refs): Use free_data_ref.
1062 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1065 * tree-inline.c (setup_one_parameter): Strip useless
1066 type conversion before adding it to the IR.
1067 (declare_return_variable): Likewise.
1069 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1072 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1074 2006-06-19 Mike Stump <mrs@apple.com>
1076 * tree.c (variably_modified_type_p): VM arguments don't make the
1079 2006-06-19 Richard Guenther <rguenther@suse.de>
1081 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1082 type conversions after folding.
1084 2006-06-19 Richard Guenther <rguenther@suse.de>
1086 * ggc-page.c (extra_order_size_tab): Add entries with
1087 size of struct function and basic_block.
1088 (size_lookup): Extend to cover sizes up to 511.
1089 (ggc_alloc_stat): Adjust user.
1090 (ggc_pch_count_object): Likewise.
1091 (ggc_pch_alloc_object): Likewise.
1092 (ggc_pch_write_object): Likewise.
1094 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1096 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1097 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1100 2006-06-19 Denis Chertykov <denisc@overta.ru>
1102 * config/avr/libgcc.S : Correct my wrong previous commit.
1104 2006-06-19 Roger Sayle <roger@eyesopen.com>
1107 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1108 have stripped a SUBREG from the shift count, so we may need to
1109 convert_to_mode back to the type's mode before calling make_tree.
1110 Use new_amount instead of amount to avoid expanding a tree twice.
1112 2006-06-19 Richard Guenther <rguenther@suse.de>
1115 * fold-const.c (operand_equal_p): Check if the argument types
1116 have the same precision before stripping NOPs.
1118 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1120 Fix PR tree-optimization/27341
1121 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1123 * tree-complex.c (pass_lower_complex): Update SMT usage.
1125 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1127 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1128 Add a new alternative to the constraint strings. Add move of
1129 operand 1 to 3 to the splitter definition.
1130 ("doloop_si_long"): Second contraint alternative removed.
1132 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1134 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1135 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1137 (AVR_HAVE_MOVW) Define.
1138 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1139 (ASM_SPEC): Add avr25.
1140 (LINK_SPEC): Add avr25.
1141 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1142 (base_arch_s): Add new member 'have_movw_lpmx'.
1143 (avr_arch_types): Init 'have_movw_lpmx'.
1144 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1145 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1146 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1147 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1148 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1150 (avr_file_start): Do not output '.arh' derective.
1151 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1152 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1153 * config/avr/avr.md (mcu_enhanced): Delete.
1154 (mcu_have_movw): Define.
1155 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1156 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1157 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1158 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1159 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1160 attiny861 and at86rf401 devices.
1162 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1164 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1167 2006-06-17 Karl Berry <karl@gnu.org>
1169 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1170 doc/gccint.texi, doc/install.texi (@dircategory): Use
1171 "Software development" instead of "Programming", following
1172 the Free Software Directory.
1174 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1176 * config/i386/i386.c (legitimate_tls_address)
1177 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1178 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1179 (*tls_dynamic_gnu2_combine_64): Likewise.
1181 2006-06-16 Richard Guenther <rguenther@suse.de>
1184 * fold-const.c (negate_expr_p): Do not introduce undefined
1185 overflow in negating INTEGER_CSTs.
1186 (fold_negate_expr): Rename from negate_expr. Revert last
1187 change for folding BIT_NOT_EXPR. Change semantics to
1188 return NULL_TREE for non-simplified negations. Do not
1189 strip type conversions and unify type handling.
1190 (negate_expr): New function, wrap around fold_negate_expr
1191 but ensure building a tree always. Strip type conversions
1192 here, fold to result type.
1193 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1195 2006-06-16 Roger Sayle <roger@eyesopen.com>
1198 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1199 that (would) return their results in stack registers.
1201 2006-06-16 Michael Matz <matz@suse.de>
1202 Richard Guenther <rguenther@suse.de>
1204 * fold-const.c (fold_truthop): Only return new tree node if
1205 we canonicalized something.
1207 2006-06-16 Richard Guenther <rguenther@suse.de>
1209 * function.h (enum function_frequency): Move declaration
1210 out of struct function.
1211 (struct function): Move bool fields and the enum to the bitfield
1212 section. Reorder elements to avoid padding. Remove unused
1213 fields left over from the RTL inliner removal.
1214 * function.c (free_after_compilation): Do not zero removed fields.
1215 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1216 (ipa-type-escape.o): Likewise.
1218 2006-06-16 Richard Guenther <rguenther@suse.de>
1220 * cgraph.h (struct cgraph_local_info): Turn bool elements
1222 (struct cgraph_node): Likewise.
1223 (struct cgraph_varpool_node): Likewise.
1225 2006-06-15 Richard Guenther <rguenther@suse.de>
1227 * fold-const.c (fold_truth_not_expr): Rename from
1228 invert_truthvalue. Give it fold_* semantics to avoid
1230 (invert_truthvalue): New function. Wrapper around
1231 fold_truth_not_expr.
1232 (optimize_minmax_comparison): Avoid creating garbage.
1233 (fold_unary): Use fold_truth_not_expr for folding
1235 (fold_ternary): Replace uses of invert_truthvalue with
1236 fold_truth_not_expr where applicable.
1237 * tree.h (fold_truth_not_expr): Prototype.
1239 2006-06-16 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/27781
1242 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1243 * ipa-pure-const.c (target.h): Include.
1244 (analyze_function): Do not analyze functions that do not
1247 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1250 * tree-dfa.c (referenced_vars_dup_list): Remove.
1251 (find_referenced_vars): Remove assert.
1252 (referenced_var_check_and_insert): Replace dup list with assert.
1253 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1254 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1256 2006-06-15 Richard Guenther <rguenther@suse.de>
1258 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1259 extra unused identifiers if not dumping.
1260 (create_variable_info_for): Likewise.
1262 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1264 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1265 (derive_constant_upper_bound): Derive more precise upper bound in
1266 common cases. Return type changed to double_int.
1267 (record_estimate): Reflect the changed return type of
1268 derive_constant_upper_bound.
1269 * double-int.c (double_int_zext, double_int_sext): Fix.
1271 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1273 * configure.ac (CFLAGS): Get them from the toplevel or from the
1274 configure invocation.
1275 * configure: Regenerate.
1276 * Makefile.in (CFLAGS): Substitute value provided by configure.
1278 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1281 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1282 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1283 rather than calling add_stmt on it.
1284 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1286 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1289 * reload1.c (reload): Remove registers returned by update_eliminables
1290 from used_spill_regs.
1292 2006-06-13 DJ Delorie <dj@redhat.com>
1294 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1296 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1298 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1299 html__strip_dir, html__mkdir_p. Enhance install-html target.
1300 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1301 * configure: Regenerate.
1303 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1305 * fold-const.c (fold_cond_expr_with_comparison): Check for
1306 Objective-C++ as language in deciding COND_EXPR transformation.
1308 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1311 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1312 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1313 * config/sh/lib1funcs.h (SL, SL1): Define.
1314 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1315 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1316 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1317 (OBJS_Os_4_200): New variable.
1318 ($(T)libgcc-Os-4-200.a): Use it.
1319 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1320 when dividing 1 and/or by 0.
1322 2006-06-13 Roger Sayle <roger@eyesopen.com>
1324 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1325 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1326 * configure: Regenerate.
1328 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1330 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1331 for real instruction.
1333 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1336 * haifa-sched.c (check_cfg): Handle special case.
1338 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1341 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1342 Add debug_info parameter. Chain the vars to the BLOCK instead
1343 of the BIND_EXPR if debug info are requested for them.
1344 (pop_gimplify_context): Adjust for above change.
1345 (gimple_add_tmp_var): Likewise.
1346 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1348 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1349 (convert_local_reference): Likewise.
1350 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1351 (finalize_nesting_tree_1): Request that debug info be emitted
1352 for debug_var_chain.
1354 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1356 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1357 for PR target/27863.
1359 2006-06-13 Richard Guenther <rguenther@suse.de>
1362 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1364 2006-06-13 Richard Guenther <rguenther@suse.de>
1366 PR tree-optimization/27830
1367 * tree-inline.c (copy_body_r): For copying the operand
1368 of an ADDR_EXPR make sure to fold &* afterwards.
1370 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1372 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1373 lvalues in the fb_none case with side-effects.
1375 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1377 * tree-flow.h: Remove the prototype for
1378 compute_phi_arg_on_exit.
1379 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1380 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1383 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1385 * builtins.c (expand_builtin_return_addr): Only use
1386 frame_pointer_rtx when count == 0 and we are expanding
1387 __builtin_return_address.
1389 2006-06-12 Fred Fish <fnf@specifix.com>
1391 * config/mips/mips.c (mips_file_start): Create special section
1392 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1394 2006-06-11 Eric Christopher <echristo@apple.com>
1397 * stor-layout.c (place_field): Remove check for
1398 remaining_in_alignment when aligning at the end of a run.
1400 2006-06-11 Eric Christopher <echristo@apple.com>
1403 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1406 2006-06-11 Roger Sayle <roger@eyesopen.com>
1409 Revert incorrect fix for PR target/27158
1410 2006-05-08 Roger Sayle <roger@eyesopen.com>
1411 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1412 of a reg_equiv_constant if the result is a legitimate constant.
1414 2006-06-11 Roger Sayle <roger@eyesopen.com>
1417 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1418 extract a CONST_VECTOR element and interpret it as an integer.
1419 (vspltis_constant): Use const_vector_elt_as_int instead of the
1420 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1421 * config/rs6000/predicates.md (easy_vector_const): Consider
1422 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1424 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1427 * stor-layout.c (update_alignment_for_field): Don't add extra
1428 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1431 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1433 * config/mips/t-rtems: Add EL/EB multilib variants.
1435 2006-06-09 Mike Stump <mrs@apple.com>
1437 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1439 2006-06-09 David Daney <ddaney@avtrex.com>
1441 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1443 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1445 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1447 2006-06-09 Richard Guenther <rguenther@suse.de>
1449 PR tree-optimization/26998
1450 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1451 of signed types, only TYPE_MIN_VALUE is special, but for both,
1452 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1453 in this case, as is -fwrapv.
1455 2006-06-08 Mike Stump <mrs@apple.com>
1458 * config/darwin.c (darwin_asm_output_anchor): Disable
1459 -fsection-anchors on darwin for now.
1460 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1461 * rs6000/rs6000.c (optimization_options): Likewise.
1463 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1466 * config/i386/i386.c (classify_argument): Skip fields with invalid
1469 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1471 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1472 (cse_insn): Likewise for the stack_pointer_rtx.
1474 2006-06-08 Roger Sayle <roger@eyesopen.com>
1476 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1477 conditions from floating point comparisons.
1479 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1482 * expmed.c (struct alg_hash_entry): Fix type of field T
1483 to match synth_mult argument.
1484 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1486 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1489 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1492 2006-06-08 Richard Guenther <rguenther@suse.de>
1495 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1496 only, if overflow is defined and not trapping.
1497 (negate_expr): Likewise.
1499 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1501 PR tree-optimization/27872
1502 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1503 flag on the new exit edge of the unrolled loop.
1505 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1507 PR rtl-optimization/26449
1508 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1510 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1513 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1514 referenced_variables with matching DECL_UID's.
1515 (find_referenced_vars): Make sure duplicate list is empty to start.
1516 (referenced_var_p): Remove.
1517 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1518 Check if var is in the list, and add if needed. Update the duplicate
1519 list if a different var is in the list with the same DECL_UID.
1520 (add_referenced_var): Call routine to check and insert.
1521 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1522 * tree-flow.h (referenced_vars_dup_list): External declaration.
1524 2006-06-07 Fred Fish <fnf@specifix.com>
1526 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1529 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1532 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1533 the imaginary and real parts of a clobbered register.
1534 Emit insn to set the imaginary part.
1536 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1538 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1539 in lieu of unwind-dw2-fde.c.
1541 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1543 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1545 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1548 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1549 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1550 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1551 V4SImode temporaries and operations instead.
1553 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1555 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1558 2006-06-06 Mike Stump <mrs@apple.com>
1560 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1561 installing during build.
1563 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1565 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1567 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1568 * config/ia64/ia64.c (params.h): New header.
1569 (ia64_optimization_options): New function to adjust parameters.
1570 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1571 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1572 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1574 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1576 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1578 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1581 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1583 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1584 Victor Kaplansky <victork@il.ibm.com>
1586 PR tree-optimization/26360
1587 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1590 2006-06-04 Roger Sayle <roger@eyesopen.com>
1591 Andrew Pinski <pinskia@physics.uc.edu>
1594 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1595 for LABEL_DECL before calling DECL_WEAK.
1598 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1599 LABEL_DECL and PARM_DECL.
1601 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1605 * c-decl.c (grokdeclarator): Disallow variably modified types at
1606 file scope. Avoid marking shared array type of constant size as
1609 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1612 * c-common.c (fold_offsetof_1): Handle static members.
1614 2006-06-04 Eric Christopher <echristo@apple.com>
1616 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1617 (debug_rli): Output value for remaining_in_alignment.
1618 (update_alignment_for_field): Unconditionalize
1619 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1620 extra alignment code.
1621 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1622 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1623 * tree.h (record_layout_info_s): Remove prev_packed.
1624 * doc/extend.texi (ms_struct): Add documentation of format.
1626 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1628 * tree.h: Declare folding_initializer.
1629 * builtins.c (fold_builtin_constant_p): Give definite answer
1630 if folding inside an initializer.
1631 * fold-const.c: Define folding_initializer.
1632 (START_FOLD_INIT): Save and then set folding_initializer.
1633 (END_FOLD_INIT): Restore folding_initializer.
1635 2006-06-04 Richard Guenther <rguenther@suse.de>
1637 PR tree-optimization/27039
1638 * fold-const.c (fold_comparison): Handle pointer comparison
1639 again for all comparison codes. Compare offsets in signed
1641 (fold_binary): Move code from here.
1643 2006-06-03 Roger Sayle <roger@eyesopen.com>
1646 * config/i386/i386.c (construct_container): Split static issued_error
1647 flag into issued_sse_arg_error, issued_sse_ret_error and
1648 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1649 requires the use of x87 registers and the user explicitly
1650 specified the -mno-80387 command line option.
1652 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1654 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1655 HAVE_DECL_SIGALTSTACK.
1657 (segv_handler): Use MC_FLD.
1658 * configure.ac: Check for a sigaltstack declaration.
1659 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1660 * configure: Regenerate.
1661 * config.in: Regenerate.
1663 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1666 * Makefile.in (stmp-fixinc): Fix typo.
1668 2006-06-02 Roger Sayle <roger@eyesopen.com>
1670 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1671 are type correct. Clean-up.
1672 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1673 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1675 2006-06-01 DJ Delorie <dj@redhat.com>
1677 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1678 shift, as we've disabled the "switch" insn that needs it.
1680 2006-06-01 Per Bothner <bothner@bothner.com>
1682 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1683 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1684 * c-ppoutput.c (cb_define): Don't increment line 0.
1686 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1688 * doc/invoke.texi: Add cpu_type power6.
1689 * config.gcc: Add cpu_type power6.
1690 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1691 to power5+ with Altivec.
1692 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1693 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1695 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1697 * config/avr/avr.h (SET_ASM_OP): Define.
1699 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1701 * config/bfin/bfin.c: Fix comment typos.
1703 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1706 * doc/install.texi: Document --enable-bootstrap and
1707 --disable-bootstrap.
1709 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1711 * doc/install.texi: Document that InfoZIP can replace jar.
1713 2006-05-31 Roger Sayle <roger@eyesopen.com>
1715 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1716 isn't available, directly generate the simpler x87 patterns without
1717 the (use (const_int 0)).
1718 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1719 implementation isn't available.
1720 (*negdf2_1): Likewise.
1721 (*negxf2_1): XF mode negation is always done using the x87.
1722 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1724 2006-05-31 Roger Sayle <roger@eyesopen.com>
1726 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1727 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1729 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1731 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1733 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1734 * config/bfin/bfin.c (basic-block.h): Include.
1735 (struct machine_function): New.
1736 (bfin_init_machine_status): New.
1737 (override_options): Initialize init_machine_status.
1738 (bfin_hardware_loop): New.
1739 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1740 (DEF_VEC_P (loop_info)): New.
1741 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1742 (struct loop_info): New.
1743 (loop_info): New typedef.
1744 (struct loop_work): New.
1745 (loop_work): New typedef.
1746 (DEF_VEC_O (loop_work)): New.
1747 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1748 (bfin_dump_loops): New.
1749 (bfin_bb_in_loop): New.
1750 (bfin_scan_loop): New.
1751 (bfin_optimize_loop): New.
1752 (bfin_reorg_loops): New.
1753 (bfin_reorg): Use bfin_reorg_loops.
1754 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1756 (I_REGNO_P): Simplify.
1757 (DP_REGNO_P, DPREG_P): New macros.
1758 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1759 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1760 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1761 Add LT_REGS, LC_REGS, LB_REGS.
1762 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1764 (REGNO_REG_CLASS): Deal with loop registers.
1765 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1767 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1768 New constants for loop registers.
1769 (UNSPEC_LSETUP_END): New.
1770 (seq_insns): New define_attr. Set it for appropriate insns.
1771 (movsi_insn): Add alternatives for move from/to
1772 loop count registers.
1773 (doloop_end): New define_expand.
1774 (loop_end): New define_insn.
1775 (define_split for bad doloop_end): New.
1776 (lsetup_with_autoinit): New define_insn.
1777 (lsetup_without_autoinit): New define_insn.
1778 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1779 * config/bfin/predicates.md (lc_register_operand): New.
1780 (lt_register_operand): New.
1781 (lb_register_operand): New.
1782 (nondp_register_operand): New.
1783 (nondp_reg_or_memory_operand): New.
1784 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1786 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1788 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1789 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1791 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1793 * Makefile.in (CATALOGS): Add po/ prefix.
1794 * configure: Regenerated.
1796 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1799 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1800 a shift operand before calling shift_op. Avoid redundant call of
1803 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1804 DJ Delorie <dj@redhat.com>
1806 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1807 we're inserting is a singlt-bit constant.
1809 2006-05-30 Roger Sayle <roger@eyesopen.com>
1811 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1812 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1814 2006-05-30 Roger Sayle <roger@eyesopen.com>
1816 PR tree-optimization/23452
1817 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1818 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1819 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1820 complex values and with -ffast-math for FP complex values.
1822 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1824 * c-common.h: Remove the prototype for yyparse.
1825 * rtl.h: Remove the prototype for init_loop.
1827 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1829 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1832 2006-05-30 Roger Sayle <roger@eyesopen.com>
1834 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1836 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1837 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1839 2006-05-30 Dirk Mueller <dmueller@suse.de>
1842 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1843 for CONSTANT_CLASS_P expresisons.
1845 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1848 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1850 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1852 PR tree-optimization/27779
1853 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1854 initial_condition instead of CHREC_LEFT.
1856 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1858 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1859 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1860 Make prototypes ISO C90.
1862 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1863 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1865 * see.c (see_analyze_one_def): Correct check.
1866 (see_get_extension_data): Check if extension is parallel.
1867 (see_get_extension_reg): Likewise.
1869 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1872 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1873 into register for (code == GTU).
1875 2006-05-29 Roger Sayle <roger@eyesopen.com>
1877 PR tree-optimization/24964
1878 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1879 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1880 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1881 abs(x)*abs(x) as x*x for scalar floating point modes.
1883 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1886 * lambda-code.c (perfect_nestify): Don't copy statements
1887 in the inner loop: move them to the inner loop header.
1889 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1892 * c-tree.texi: Document OpenMP directives and clauses.
1894 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1896 * varasm.c (globalize_decl): Fix indentation.
1898 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1901 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1902 pass_fre, pass_store_ccp, pass_copy_prop,
1903 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1904 pass_return_slot, pass_object_size, pass_lim,
1905 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1906 pass_loop_prefetch and pass_stdarg.
1908 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1910 * config/bfin/bfin.opt (mfdpic): New option.
1911 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1912 (EXTRA_MULTILIB_PARTS): Likewise.
1913 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1914 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1916 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1917 (CRT_CALL_STATIC_FUNCTION): New.
1918 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1920 (CRT_CALL_STATIC_FUNCTION): New.
1921 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1923 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1924 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1925 (initialize_trampoline): Changed to handle FD-PIC code generation.
1926 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1927 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1928 (override_options): Disallow -mid-shared-library -mfdpic combination.
1929 Can't do unaligned ops if FD-PIC.
1930 Turn off flag_pic if trying to generate non-id-shared-library
1931 non-fdpic code, since it's not supported.
1932 (bfin_assemble_integer): New function.
1933 (TARGET_ASM_INTEGER): Define.
1934 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1936 * config/bfin/crtn.s: Restore them.
1937 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1939 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1940 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1941 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1942 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1943 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1945 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1946 FDPIC_REGS and FDPIC_FPTR_REGS.
1947 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1948 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1949 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1950 (load_funcdescsi): New pattern.
1951 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1952 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1953 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1955 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1957 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1960 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1962 * tree-flow.h: Remove the prototype for add_type_alias.
1963 * tree-ssa-alias.c (add_type_alias): Remove.
1965 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1967 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1968 config/fr30/fr30.md, config/i386/i386-interix.h,
1969 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1970 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1971 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1972 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1973 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1974 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1975 Follow spelling conventions.
1976 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1977 Follow spelling conventions.
1979 2006-05-27 Richard Guenther <rguenther@suse.de>
1982 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1983 to produce a constant of value 1 of generic type.
1985 2006-05-27 Dirk Mueller <dmueller@suse.de>
1987 * cgraphunit.c (decide_is_function_needed): Fix wrong
1990 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1992 PR rtl-optimization/27661
1993 * reload.c (find_reloads): When reloading a VOIDmode constant
1994 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1995 use Pmode as mode of the reload register.
1997 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1999 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2000 is enabled at -O and above.
2002 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2005 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2008 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2011 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2012 for anonymous variables explicitly declared by front ends.
2014 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2016 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2017 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2018 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2019 ref-all pointers, run a finalization pass for them.
2020 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2021 (finalize_ref_all_pointers): New function.
2022 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2023 regular pointer type to a ref-all pointer type.
2024 (get_tmt_for): Return the special memory tag for ref-all pointers.
2026 2006-05-25 Richard Guenther <rguenther@suse.de>
2029 * fold-const.c (fold_binary): Do not look at the stripped
2030 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2032 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2034 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2035 for LT and GT if the computed range is effectively empty.
2037 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2040 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2041 mips_quad_format formats instead of ieee_single_format,
2042 ieee_double_format and ieee_quad_format formats, respectively.
2044 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2046 PR tree-optimization/27639
2047 PR tree-optimization/26719
2048 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2049 call to scev_probably_wraps_p.
2050 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2051 used_in_pointer_arithmetic_p, convert_step): Removed.
2052 (nowrap_type_p): New function.
2053 (scev_probably_wraps_p): Rewritten.
2054 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2055 chrec_convert if chrec_convert_aggressive might have been used.
2056 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2057 scev_direction): New functions.
2058 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2059 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2060 instead of convert_step.
2061 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2062 (convert_step): Declaration removed.
2063 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2065 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2067 * df-core.c: Added to header comments.
2068 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2069 df_ur_bb_info, df_urec_bb_info): Added comments.
2070 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2071 urec, ri problems): Fixed header comments.
2072 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2073 code from df_rd_transfer_function.
2075 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2077 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2078 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2079 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2081 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2083 * expr.c (undefined_operand_subword_p): New.
2084 (emit_move_multi_word): Do not generate move from undefined bits
2085 of a paradoxical subreg.
2087 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2089 PR rtl-optimization/27736
2090 * combine.c (replaced_rhs_value): New variable.
2091 (combine_instructions): Set it.
2092 (distribute_notes): When distributing a note in replaced_rhs_insn,
2093 check whether the value was used in replaced_rhs_value.
2095 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2098 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2099 add_referenced_var instead of add_referenced_tmp_var.
2100 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2101 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2103 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2104 tree_optimize_tail_calls_1): Use add_referenced_var.
2105 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2106 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2107 Use add_referenced_var.
2108 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2109 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2110 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2111 Use add_referenced_var.
2112 * tree-dfa.c (struct walk_state): Remove.
2113 (find_referenced_vars): Remove walk state and vars_found hash table.
2114 (make_rename_temp): Use add_referenced_var.
2115 (find_vars_r): Pass less parameters to add_referenced_var.
2116 (referenced_var_p): New. Is var in referenced_var hash table.
2117 (referenced_var_insert): Assert var isn't already in hash table.
2118 (add_referenced_var): Don't need walk_state parameter. Add var if it
2119 isn't already in the hash table.
2120 (add_referenced_tmp_var): Remove.
2121 (find_new_referenced_vars_1): Use add_referenced_var.
2122 * tree-ssa-pre.c (create_expression_by_pieces,
2123 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2124 Use add_referenced_var.
2125 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2126 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2127 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2129 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2130 vect_create_data_ref_ptr, vect_create_destination_var,
2131 vect_init_vector, vect_build_loop_niters,
2132 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2133 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2134 Use add_referenced_var.
2135 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2136 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2137 (add_referenced_var): Add prototype.
2138 * tree-ssa-structalias.c (get_constraint_for,
2139 intra_create_variable_infos): Use add_referenced_var.
2141 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2143 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2144 big-endian paradoxical subregs.
2145 * var-tracking.c (struct micro_operation_def): Document that,
2146 for modify micro operations, insn is the subsequent instruction.
2147 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2148 (var_reg_set, var_mem_set): ... new functions.
2149 (add_stores): Record subsequent insn.
2150 (compute_bb_dataflow): Use new functions for MO_USE.
2151 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2152 notes after the insn, and modify notes before the insn known
2153 to be the subsequent one.
2154 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2156 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2159 * config/i386/i386.c (ix86_expand_builtin): Use
2160 gen_sse3_monitor64 for TARGET_64BIT.
2162 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2164 PR rtl-optimization/26375
2165 PR rtl-optimization/26855
2166 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2168 (df_ru_bb_local_compute): Reversed statements and removed bogus
2169 comment explaining why they should be in wrong order.
2170 (df_ru_dump, df_rd_dump): Enhanced debug info.
2171 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2173 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2174 reaching uses and fixed space problem.
2176 2006-05-23 Jan Hubicka <jh@suse.cz>
2178 * cgraphunit.c (decide_is_function_needed): Also nested functions
2179 and functions declared inline can be optimized out at -O0.
2181 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2183 * doc/install.texi (Configuration): Remove reference to CrossGCC
2187 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2190 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2191 ix86_compare_emitted is non-NULL.
2193 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2196 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2199 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2201 PR rtl-optimization/25514
2202 * combine.c (replaced_rhs_insn): New variable.
2203 (combine_instructions): Set replaced_rhs_insn when trying to replace
2204 a SET_SRC with a REG_EQUAL note.
2205 (distribute_notes): Use replaced_rhs_insn when determining the live
2206 range of a REG_DEAD register.
2208 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2209 Anatoly Sokolov <aesok@post.ru>
2211 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2212 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2213 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2214 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2215 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2216 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2217 at90usb647, at90usb1286 and at90usb1287 devices.
2218 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2219 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2221 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2223 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2225 2006-05-22 Richard Guenther <rguenther@suse.de>
2228 2006-01-31 Richard Guenther <rguenther@suse.de>
2229 Paolo Bonzini <bonzini@gnu.org>
2231 * doc/install.texi (--disable-libgcc-math): Document.
2233 2006-05-22 Richard Guenther <rguenther@suse.de>
2236 2006-01-31 Richard Guenther <rguenther@suse.de>
2238 * doc/invoke.texi (-msselibm): Document.
2239 * target.h (expand_library_builtin): New target hook.
2240 * builtins.c (expand_builtin): Use expand_library_builtin.
2241 (default_expand_library_builtin): New function.
2242 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2243 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2244 (link_gcc_math_spec): Declare.
2245 (static_specs): Add link_gcc_math_spec.
2246 * expr.h (default_expand_library_builtin): Declare.
2247 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2248 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2249 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2250 * config/i386/i386.opt (msselibm): New target option.
2251 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2252 (ix86_init_sse_abi_builtins): New function.
2253 (ix86_expand_library_builtin): Likewise.
2254 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2255 (override_options): Handle error conditions wrt -msselibm.
2256 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2257 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2258 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2261 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2264 * c-common.c (self_promoting_args_p): Skip erroneous args.
2267 * c-decl.c (finish_struct): Skip erroneous fields.
2269 2006-05-22 Nick Clifton <nickc@redhat.com>
2271 * config/cris/cris.opt (march): Remove VarExists attribute.
2272 (max-stackframe=): Likewise.
2274 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2276 * doc/rtl.texi: Fix a typo.
2277 * see.c: Fix comment typos.
2279 * tree-ssa-structalias.h (alias_info): Remove num_references.
2281 2006-05-21 Mike Stump <mrs@apple.com>
2283 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2285 (darwin_pragma_options): Use BAD instead.
2286 (darwin_pragma_unused): Likewise.
2287 (darwin_pragma_ms_struct): Likewise.
2289 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2291 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2293 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2295 PR rtl-optimization/27671
2296 * simplify-rtx.c (simplify_relational_operation_1): Fix
2297 simplifications of (eq/ne (xor x y) y) and
2298 (eq/ne (xor x y) x).
2300 PR tree-optimization/26622.
2301 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2304 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2306 * tree-cfg.c: Prune whitespace.
2307 (debug_tree_cfg): Point to correct header containing the
2310 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2313 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2315 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2318 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2319 or sorry count is non zero.
2321 2006-05-20 Andreas Schwab <schwab@suse.de>
2323 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2325 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2326 Kenneth Zadeck <zadeck@naturalbridge.com>
2328 PR rtl-optimization/26855
2330 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2332 (df_scan_alloc): Added code to properly handle multiword hard
2333 registers and add all_blocks parameter.
2334 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2335 code to properly handle multiword hard registers.
2336 (df_rescan_blocks): Added code to remove deleted blocks from
2338 (df_ref_create_structure, df_ref_record): Added code to properly
2340 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2341 and set DF_REF_PARTIAL.
2342 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2343 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2344 (df_scan_add_problem): Added flags parameter.
2345 (df_ref_create_structure): Changed switching structure.
2346 (df_bb_refs_record): Fixed case where duplicate artificial refs
2347 were created. Changed location of flags.
2348 (df_record_entry_block_defs): Added code to make stack pointer
2349 live in entry block. Refined cases where frame pointer is needed.
2350 Changed location of flags.
2351 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2352 (df_set_state): Removed function.
2353 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2354 df_insn_create_insn_record, df_insn_refs_delete,
2355 df_ref_create_structure): Formatting changes.
2356 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2357 df_delete_basic_block): New function.
2358 (df_init): Changed location of flags.
2359 (df_add_problem): Added flags parameter and the way flags are
2361 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2362 debug_df_chain): Improved debugging output.
2363 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2364 (df_refs_chain_dump): Removed df parameter.
2365 (df_iterative_dataflow): Added consistency check.
2366 (df_prune_to_subcfg): Made public.
2367 (df_analyze_problem): Added blocks_to_init parameter and made
2369 (df_ref_record, df_bb_refs_record, df_mark_reg,
2370 df_record_exit_block_uses): Whitespace changes.
2371 (df_dump): Whitespace changes.
2372 * df.h: Some reordering to remove forward references.
2373 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2374 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2375 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2376 (dataflow.flags): New field.
2377 (df.flag): Deleted field.
2378 (df_alloc_function): Added additional bitmap parameter.
2379 (df_dependent_problem_function): New type.
2380 (df_problem.changeable_flags): New field.
2381 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2382 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2383 (df_mw_hardreg): New struct.
2384 (DF_INSN_UID_MWS): New macro.
2385 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2387 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2388 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2389 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2390 (df_set_state): Removed function.
2391 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2392 * df-problems.c (df_chain_dump): Removed df parameter.
2393 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2394 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2396 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2397 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2398 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2399 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2400 DF_REF_MUST_CLOBBER cases.
2401 (df_ru_bb_local_compute_process_def,
2402 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2403 df_lr_bb_local_compute, df_ur_bb_local_compute,
2404 df_chain_create_bb): Made subreg aware.
2405 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2406 df_lr_bb_local_compute, df_lr_bb_local_compute,
2407 df_chain_create_bb): Cleanup to use proper macros.
2408 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2409 code to fixup bitvectors.
2410 (df_ri_alloc): Cleared lifetime.
2411 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2412 df_create_unused_note): New function.
2413 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2414 REG_DEAD and REG_UNUSED notes as well as register information.
2415 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2416 df_chains_dump): Fixed crash if problem was never run.
2417 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2418 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2419 df_ri_add_problem): Processes flags in uniform manner.
2420 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2421 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2422 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2423 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2424 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2425 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2426 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2427 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2428 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2429 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2430 * see.c (see_initialize_data): Ditto.
2431 * final.c (rest_of_clean_state) Added regstack_completed.
2432 * rtl.h (regstack_completed): Ditto.
2433 * reg-stack.c (regstack_completed): Ditto.
2435 2006-05-19 Mike Stump <mrs@apple.com>
2437 * c-tree.h (default_conversion): Remove.
2438 * c-common.h (default_conversion): Add.
2440 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2442 * tree-vrp.c (valid_value_p): New function.
2443 (adjust_range_with_scev): Fail if the value of bound is not
2446 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2448 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2449 (mips_fallback_frame_state): Use syscall numbers to determine
2450 the appropriate li instruction for the current ABI. Only use
2451 __NR_sigreturn for o32.
2453 2006-05-19 Nicolas Setton <setton@adacore.com>
2455 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2456 * langhooks.c (lhd_dwarf_name): New function.
2457 * langhooks-def.h (lhd_dwarf_name): Declare.
2458 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2459 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2460 * ada/misc.c (gnat_dwarf_name): New function.
2461 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2463 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2465 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2467 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2468 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2469 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2470 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2471 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2472 determine the size of Wtype, etc.
2473 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2474 (swfloatfuncs): New variable.
2475 (dwfloatfuncs): Likewise.
2476 (lib2funcs): Remove floating-point conversion functions from
2477 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2478 the set of conversion routines needed. Allow entries to specify
2479 an object name, filename and word size. Update users accordingly.
2480 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2481 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2485 2006-02-08 Roger Sayle <roger@eyesopen.com>
2488 * config/fixtfdi.c: New libgcc source file.
2489 * config/fixunstfdi.c: New source file.
2490 * config/floatditf.c: New source file.
2491 * config/floatunditf.c: New souce file.
2492 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2493 files above instead of config/mips/_tilib.c.
2494 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2496 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2498 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2499 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2501 2006-05-18 Mike Stump <mrs@apple.com>
2503 Fix up vla, vm and [*] sematics.
2509 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2510 (c_vla_unspec_p): Add.
2511 (c_vla_type_p): Add.
2512 * c-decl.c (struct c_scope): Add had_vla_unspec.
2513 (build_array_declarator): Add support for [*].
2514 (grokdeclarator): Likewise.
2515 (grokparms): Likewise.
2516 (get_parm_info): Likewise.
2517 * c-objc-common.c (c_vla_unspec_p): Likewise.
2518 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2519 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2520 typeof when argument is a variably modified type not inside sizeof or alignof.
2521 (c_parser_direct_declarator_inner): Propagate errors.
2522 (c_parser_sizeof_expression): Add support for [*].
2523 (c_parser_parms_declarator): Initialize had_vla_unspec.
2524 (c_parser_parms_list_declarator): Likewise.
2525 * c-typeck.c (c_vla_type_p): Add.
2526 (composite_type): Add support for vla compositing.
2527 (comptypes_internal): Add support for vla compatibility.
2528 (c_expr_sizeof_expr): Evaluate vla arguments.
2529 * tree.c (variably_modified_type_p): Update comment for [*].
2531 2006-05-18 Michael Matz <matz@suse.de>
2534 * config.host: Make assignments to host_xmake_file cumulative.
2535 * config.host (*-darwin*): Test $host, not $target.
2537 2006-05-12 Stuart Hastings <stuart@apple.com>
2539 * config/i386/i386.opt (-mstackrealign): New flag.
2540 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2541 (ix86_handle_cconv_attribute): Emit error when
2542 force_align_arg_pointer attribute collides with too many regparms.
2543 (ix86_function_regparm): Limit regparms when used with
2544 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2545 Support stack-realigning prologue in non-main functions. Emit
2546 warning for nested functions under -mstackrealign, emit error for
2547 nested functions with force_align_arg_pointer attribute.
2548 * doc/extend.texi (force_align_arg_pointer): Document it.
2549 * doc/invoke.texi (-mstackrealign): Document it.
2551 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2553 PR rtl-optimization/27477
2554 * combine.c (try_combine): Don't split a parallel consisting
2555 of two sets into two individual sets if both sets reference
2558 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2560 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2561 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2563 * doc/options.texi (VarExists): Updated.
2565 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2567 * unwind-dw2.c: Add declarations for uw_update_context and
2569 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2570 detected, advance frame state and context once to skip over stub.
2572 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2576 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2577 Call rewrite_into_loop_closed_ssa only when something changed.
2578 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2579 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2580 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2581 Test for perfect_nest_p here. Fix formating.
2582 (replace_uses_equiv_to_x_with_y): Fix formating.
2583 (stmt_uses_op): Removed.
2584 (can_convert_to_perfect_nest): Removed loopivs parameter.
2585 Complete the test by checking the scalar dependences.
2586 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2589 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2592 From Dan Kegel <dank@kegel.com>:
2593 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2595 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2597 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2598 if the element type is variably modified without recursing.
2600 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2603 * tree-loop-linear.c (try_interchange_loops): Test for
2604 no data dependences.
2606 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2608 PR tree-optimization/27548
2609 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2610 range of ssa names that appear on abnormal edges.
2611 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2612 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2614 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2617 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2619 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2622 * tree.h (OMP_PARALLEL_COMBINED): Define.
2623 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2624 (new_omp_context): Add is_combined_parallel argument.
2625 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2626 new_omp_context caller.
2627 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2628 Adjust gimplify_scan_omp_clauses callers.
2629 (omp_is_private): Issue errors if iteration variable is firstprivate
2630 or reduction in the current context.
2631 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2632 on combined parallel workshare constructs.
2634 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2636 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2637 (gcc-options.o): New rule.
2639 * optc-gen.awk: Protect variables for gcc-options.o with
2640 #ifdef GCC_DRIVER/#endif.
2642 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2644 Fix PR tree-optimization/27373
2645 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2646 (forward_propagate_addr_expr): Update call.
2648 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2650 * doc/options.texi: Move the Negative option.
2652 2006-05-16 Richard Guenther <rguenther@suse.de>
2654 PR tree-optimization/22303
2655 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2657 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2658 ccp_fold did not simplify the statement.
2660 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2663 * Makefile.in (GCC_OBJS): New.
2664 (OBJS-common): Add opts-common.o.
2665 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2666 (cpp$(exeext)): Likewise.
2667 (gcc.o): Also depend on opts.h.
2668 (opts-common.o): New.
2670 * common.opt (gcoff): Add Negative(gdwarf-2).
2671 (gdwarf-2): Add Negative(gstabs).
2672 (gstabs): Add Negative(gstabs+).
2673 (gstabs+): Add Negative(gvms).
2674 (gvms): Add Negative(gxcoff).
2675 (gxcoff): Add Negative(gxcoff+).
2676 (gxcoff+): Add Negative(gcoff).
2677 * config/i386/i386.opt (m32): Add Negative(m64).
2678 (m64): Add Negative(m32).
2680 * doc/options.texi: Document the Negative option.
2682 * gcc.c: Include "opts.h".
2683 (main): Call prune_options after expandargv.
2685 * optc-gen.awk: Generate common declarations for all flag
2686 variables in options.c. Output the neg_index field.
2688 * opts.c (find_opt): Moved to ...
2689 * opts-common.c: Here. New file.
2691 * opts.h (cl_option): Add a neg_index field.
2693 (prune_options): Likewise.
2695 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2698 * omp-low.c (expand_omp_parallel): Don't assert
2699 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2700 instead search for it.
2703 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2706 2006-05-16 Andreas Schwab <schwab@suse.de>
2708 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2711 2006-05-15 Roger Sayle <roger@eyesopen.com>
2714 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2715 integer constants other than zero are only legitimate on TARGET_64BIT.
2716 <CONST_VECTOR> Only zero vectors are legitimate.
2717 (ix86_cannot_force_const_mem): Integral and vector constants can
2718 always be put in the constant pool.
2720 2006-05-16 DJ Delorie <dj@redhat.com>
2722 * crtstuff.c (__dso_handle): Set section from
2723 TARGET_LBIGCC_SDATA_SECTION if defined.
2724 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2725 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2727 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2730 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2733 2006-05-16 Ben Elliston <bje@au.ibm.com>
2735 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2737 2006-05-15 Per Bothner <per@bothner.com>
2739 * tree.c: (last_annotated_node): Use source_locus typedef.
2740 This permits bootstrapping with --enable-mapped-location.
2742 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2744 PR tree-optimization/26830
2745 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2746 (info_for_ssa_name, current_info_for_ssa_name_age,
2747 blocks_to_update): New variables.
2748 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2749 (clear_ssa_name_info, initialize_flags_in_bb,
2750 mark_block_for_update): New functions.
2751 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2752 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2753 prepare_def_site_for): Use mark_block_for_update.
2754 (mark_def_interesting): Assert that the processed block is marked in
2755 blocks_to_update. Do not take blocks argument.
2756 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2758 (rewrite_update_init_block, rewrite_update_stmt): Only process
2759 blocks with statements to rewrite.
2760 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2761 (update_ssa): Initialize and free blocks_to_update. Do not
2762 clear flags on statements. Do not use blocks bitmap.
2763 * tree.h (SSA_NAME_AUX): Removed.
2764 (struct tree_ssa_name): Removed aux field.
2765 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2767 2006-05-15 Richard Guenther <rguenther@suse.de>
2769 PR tree-optimization/27603
2770 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2771 Do computations in original type.
2773 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2775 * see.c: Code style changes such as redundant paranthesis,
2776 redundant intialization of local variables etc.
2777 (see_main): Declared now as static.
2778 * doc/invoke.texi: Update that -fsee is not enabled by
2781 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2783 * omp-low.c (check_omp_nesting_restrictions): New function.
2784 (scan_omp_1): Call it.
2787 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2788 construct, return *VAR.
2790 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2792 PR rtl-optimization/27406
2793 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2796 2006-05-14 Roger Sayle <roger@eyesopen.com>
2798 PR rtl-optimization/27538
2799 * combine.c (expand_compound_operation): Call gen_lowpart
2800 before calling simplify_shift_const.
2802 2006-05-14 Roger Sayle <roger@eyesopen.com>
2804 PR rtl-optimization/22563
2805 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2806 a fixed width bitfield, always force the intermediates into psuedos.
2808 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2811 * mkconfig.sh: Use operator = instead of == for test.
2813 2006-05-13 Nick Clifton <nickc@redhat.com>
2815 * dwarf2out.c (dbx_reg_number): Check return value from
2816 LEAF_REG_REMAP and only use it if it is valid.
2817 (multiple_reg_loc_descriptor): Likewise.
2819 2006-05-13 Richard Guenther <rguenther@suse.de>
2821 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2824 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2826 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2827 information attached to non-INSNs such as NOTEs.
2828 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2830 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2832 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2834 * config/s390/s390.md: Adjust comment describing On constraint.
2836 2006-05-11 Jan Hubicka <jh@suse.cz>
2838 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2839 to be output at -O0.
2841 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2844 * fold-const.c (size_binop): Move sanity check for arguments to
2845 the beginning of the function.
2848 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2851 2006-05-11 Richard Guenther <rguenther@suse.de>
2854 * fold-const.c (fold_unary): Handle intermediate conversion
2855 to a pointer type like intermediate conversion to an integer
2856 type in folding of (T1)(T2)var to var.
2857 Match the code to the comment in the final conversion for
2858 (T1)(T2)var to (T1)var regarding to type precision. Rather
2859 than disallow T1 being of pointer type, assert that both T1
2860 and var are of pointer type or not. Make sure not to fall
2861 over the frontends lazyness wrt array to pointer decay though.
2863 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2865 * arm.c (arm_struct_value_rtx): Delete.
2866 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2867 (arm_init_cumulative_args): Always initialize nregs to zero.
2869 2006-05-10 Richard Guenther <rguenther@suse.de>
2871 PR tree-optimization/27532
2872 * tree-object-size.c (plus_expr_object_size): Fix typo.
2874 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2877 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2878 ashrdi_const, ashrdi3): Use a scratch register.
2880 2006-05-10 Richard Guenther <rguenther@suse.de>
2882 PR tree-optimization/27302
2883 * fold-const.c (operand_equal_p): For two comparisons,
2884 try comparison of one comparison code swapped if that yields
2887 2006-05-10 Ben Elliston <bje@au.ibm.com>
2889 * tree-pretty-print.c (pretty_print_string): No need to handle
2890 '\0' as a special character.
2892 * tree.h: Include "hashtab.h".
2893 (iterative_hash_expr): Use hashval_t in its prototype.
2894 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2896 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2899 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2900 (hppa*64*-*-hpux11*): Ditto.
2901 (hppa[12]*-*-hpux11*): Ditto.
2903 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2906 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2908 2006-05-09 Michael Matz <matz@suse.de>
2910 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2911 host_extra_gcc_objs and host_xmake_file.
2912 (<*-*-linux*>): Don't overwrite host_xmake_file.
2913 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2914 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2915 (host_detect_local_cpu): Declare.
2916 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2917 * config/i386/i386.c (override_options): Handle -mtune=native
2919 * config/i386/x-i386: New file.
2920 * config/i386/driver-i386.c: New file.
2921 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2924 2006-05-09 Dirk Mueller <dmueller@suse.de>
2925 Richard Guenther <rguenther@suse.de>
2928 * fold-const.c (fold_read_from_constant_string): Relax check
2929 for matching types to matching modes.
2931 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2933 PR rtl-optimization/27335
2934 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2937 2006-05-08 Chao-ying Fu <fu@mips.com>
2938 Richard Sandiford <richard@codesourcery.com>
2940 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2941 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2942 * config/mips/mips.md (UNSPEC_SCC): New constant.
2943 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2944 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2945 (mips_emit_compare): Use it.
2946 (mips_expand_vcondv2sf): New function.
2948 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2950 Fix PR tree-optimization/27093
2951 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2952 renaming when they become not-used_alone.
2954 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2956 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2957 relocation and relocation stubs.
2959 2006-05-08 Eric Christopher <echristo@apple.com>
2961 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2964 2006-05-08 Jan Hubicka <jh@suse.cz>
2967 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2968 unused static functions are needed.
2970 2006-05-08 Roger Sayle <roger@eyesopen.com>
2973 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2974 of a reg_equiv_constant if the result is a legitimate constant.
2976 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2979 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2980 standard 80387 constants, raise the cost to prevent
2981 compress_float_constant() to generate load from memory.
2983 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2985 * config/arm/constraints.md (c): Fix a typo.
2987 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2990 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2993 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2995 (_mm_mwait): Likewise.
2997 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2999 (sse3_monitor): Make it 32bit only.
3000 (sse3_monitor64): New. 64bit monitor.
3002 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3005 * config/i386/i386.c (classify_argument): Skip fields with invalid
3008 2006-05-07 Richard Guenther <rguenther@suse.de>
3010 PR tree-optimization/27409
3011 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3012 Do not try to find zero-sized subvars.
3014 2006-05-07 Richard Guenther <rguenther@suse.de>
3016 PR tree-optimization/27136
3017 * tree-ssa-loop-niter.c (get_val_for): Correct function
3018 comment, assert requirements.
3019 (loop_niter_by_eval): Stop processing if the iterated
3020 value did not simplify.
3022 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3024 * opts.c (flag_see): remove its setting at -O3.
3026 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3028 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3029 * arm/constraints.md: New file.
3030 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3031 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3032 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3033 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3034 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3035 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3036 * arm.md: Include constraints.md.
3037 (thumb_movsi_insn): Use satisfies_constraint_J.
3038 (movhi, movqi): Use satisfies_constraint_I.
3040 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3042 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3043 for atmeg a645 device.
3045 2006-05-06 Richard Guenther <rguenther@suse.de>
3047 PR tree-optimization/27151
3048 * tree-vect-transform.c (vectorizable_condition): Punt on
3049 values that have a different type than the condition.
3051 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3054 * c-parser.c (c_parser_cast_expression): Only insert casts into
3055 hash table if pointer.
3056 * function.c (used_types_insert_helper): Rename from
3058 (used_types_insert): Call used_types_insert_helper.
3059 * function.h (used_types_insert): Accept only one argument.
3061 2006-05-05 David Edelsohn <edesohn@gnu.org>
3063 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3064 scratch with output modifier.
3066 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3069 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3070 with output modifier.
3072 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3075 * config/mips/mips.c (mips_symbolic_address_p): Return true
3076 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3077 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3079 2006-05-04 Richard Guenther <rguenther@suse.de>
3081 PR tree-optimization/14287
3082 PR tree-optimization/14844
3083 PR tree-optimization/19792
3084 PR tree-optimization/21608
3085 PR tree-optimization/27090
3086 * tree-ssa-pre.c (try_combine_conversion): New function.
3087 (compute_avail): After constructing the value-handle
3088 expression, use try_combine_conversion to combine NOP_EXPRs
3089 with previous value-handle expressions and use the result if it
3092 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3094 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3096 2006-05-04 Jan Hubicka <jh@suse.cz>
3099 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3101 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3103 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3104 that this only matches CONST_INTs. All users changed to VOIDmode
3107 * config/bfin/bfin.c: Include "optabs.h".
3108 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3110 (enum bfin_builtins): Add a number of fractional and vector builtins.
3111 (bfin_init_builtins): Likewise.
3112 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3113 (safe_vector_operand, bfin_expand_binop_builtin,
3114 bfin_expand_unop_builtin): New functions.
3115 (bfin_expand_builtin): Handle the new builtins.
3116 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3119 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3122 * Makefile.in (OBJS-common): Add see.o.
3123 (see.o): Add dependencies.
3124 * common.opt (fsee): New flag for the see optimization was added.
3125 * opts.c (flag_see): Initialized.
3126 * passes.c (init_optimization_passes, pass_see): New pass.
3127 * rtl.h (see_main): Declaration as extern.
3128 * timevar.def (TV_SEE): New.
3129 * tree-pass.h (pass_see): Declaration as extern.
3130 * invoke.texi (-fsee): Document.
3131 * recog.c (validate_simplify_insn): New function.
3132 * recog.h (validate_simplify_insn): Declaration as extern.
3133 * df-problems.c (df_chain_dump): Check for NULL.
3135 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3136 Daniel Berlin <dberlin@dberlin.org>
3138 * cfgrtl.c (insert_insn_bb_end_new): New function.
3139 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3141 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3143 * df.h (struct web_entry): Moved from web.c.
3144 (union_defs): Declaration as extern.
3145 (unionfind_root): Likewise.
3146 (unionfind_union): Likewise.
3147 * web.c (struct web_entry): Moved to df.h.
3148 (unionfind_root): Remove static declaration.
3149 (unionfind_union): Likewise.
3150 (union_defs): Likewise and generalize to use callback function.
3151 (web_main): Update arguments for union_defs function call.
3153 2006-05-04 Richard Guenther <rguenther@suse.de>
3155 PR tree-optimization/26447
3156 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3157 produce SSA_NAME copies before the store stmt to avoid
3158 breaking exception handling.
3160 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3163 * gimplify.c (omp_is_private): If var is shared in some outer context,
3164 return false instead of true. Stop searching on parallel context
3167 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3170 * coverage.c: Use get_gcov_unsigned_t() instead of
3171 unsigned_type_node all over.
3173 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3175 PR tree-optimization/27381
3176 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3177 maintain the same immediate_use links.
3178 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3179 node rather than segfaulting.
3181 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3184 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3185 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3186 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3188 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3190 Fix PR tree-optimization/26626
3191 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3193 * tree-ssa-operands.c (access_can_touch_variable): Allow
3194 typecasting through union pointers.
3196 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3199 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3200 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3201 to find if var will be a global variable even in the nested context.
3202 (omp_copy_decl): Only check for global variable at the end, it might
3203 be overridden in outer contexts.
3204 (scan_sharing_clauses): For global variables don't create a field.
3205 (lower_rec_input_clauses): Do nothing for global shared variables.
3206 Emit a barrier at the end of ILIST if there were any decls in both
3207 firstprivate and lastprivate clauses.
3208 (lower_send_clauses): Do nothing for global variables except for
3211 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3213 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3214 of the correct signedness is returned.
3216 2006-05-02 Jeff Law <law@redhat.com>
3218 PR tree-optimization/27364
3219 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3220 multiply expressions.
3222 2006-05-02 Tom Tromey <tromey@redhat.com>
3224 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3226 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3229 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3230 -mthumb -fPIC are used.
3232 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3233 Joshua Kinard <kumba@gentoo.org>
3236 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3237 with 64-bit pointers.
3239 2006-05-02 Paul Brook <paul@codesourcery.com>
3241 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3243 (create_fix_barrier): Check that a suitable barrier location is
3245 (arm_reorg): Include ftmp->address in allowable range of addresses.
3247 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3250 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3253 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3256 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3257 around RESULT_DECL for result passed by reference.
3258 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3259 * omp-low.c (use_pointer_for_field): Don't look at
3260 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3261 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3262 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3263 time or var for passing by reference for
3264 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3265 TREE_ADDRESSABLE variables when passing by reference.
3267 * omp-low.c (dump_omp_region): Fix output formatting.
3270 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3271 (expand_omp_parallel): Likewise.
3272 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3275 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3276 on statement list containing also constructors and destructors.
3277 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3280 * except.c (duplicate_eh_regions): Fix clearing of
3281 cfun->eh->region_array entries.
3283 2006-05-01 DJ Delorie <dj@redhat.com>
3285 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3287 (gcc_cv_objdump): Likewise.
3288 * configure: Regenerated.
3290 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3293 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3294 templates for case 3 and 4.
3296 2006-05-01 DJ Delorie <dj@redhat.com>
3298 * vec.c: Include bconfig.h when appropriate.
3299 * Makefile.in (build/vec.o): Adjust dependencies.
3300 * mkconfig.sh: Make sure config.h isn't used for build machine
3303 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3305 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3307 (mark_phi_for_rewrite): New function.
3308 (insert_phi_nodes_for, mark_use_interesting): Call
3309 mark_phi_for_rewrite.
3310 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3311 (update_ssa): Initialize and free phis_to_rewrite.
3313 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3315 PR rtl-optimization/27291
3316 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3317 folded to a constant.
3319 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3321 PR tree-optimization/27283
3322 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3323 not whole # of iteration descriptions.
3324 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3325 uses abnormal ssa name.
3326 (niter_for_single_dom_exit): Ditto.
3327 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3328 return just the number of iterations.
3330 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3332 PR tree-optimization/27144
3333 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3334 (record_estimate): Only record constant upper bound.
3335 (infer_loop_bounds_from_undefined): Call
3336 compute_estimated_nb_iterations just once.
3337 (proved_non_wrapping_p): Renamed to ...
3338 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3339 (convert_step_widening, scev_probably_wraps_p): Call
3340 n_of_executions_at_most instead of proved_non_wrapping_p.
3341 (substitute_in_loop_info): Do not replace values in bounds.
3342 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3345 2006-05-01 Richard Henderson <rth@redhat.com>
3348 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3349 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3352 2006-05-01 Roger Sayle <roger@eyesopen.com>
3354 * c-typeck.c (parser_build_binary_op): Don't call the function
3355 unsigned_conversion_warning to spot operand/result type overflow.
3356 (build_binary_op): Instead, call convert_and_check instead of
3357 convert to report the problem when the operands are promoted.
3358 * c-common.c (unsigned_conversion_warning): Make static.
3359 * c-common.h (unsigned_conversion_warning): Delete prototype.
3361 2006-05-01 Richard Guenther <rguenther@suse.de>
3363 PR tree-optimization/26726
3364 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3366 (find_interesting_uses_address): ... we work around here
3367 by folding INDIRECT_REFs in the substituted base.
3369 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3371 * omp-low.c (dump_omp_region): Add newlines.
3373 2006-04-30 Roger Sayle <roger@eyesopen.com>
3375 * common.opt (Woverflow): New command line option.
3376 * c-common.c (constant_expression_warning): Check warn_overflow.
3377 (overflow_waring): Pass OPT_Woverflow to warning.
3378 (unsigned_conversion_warning): Likewise.
3379 (convert_and_check): Likewise.
3380 * doc/invoke.texi: Document new command line option.
3382 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3384 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3385 TARGET_NO_FP_IN_TOC for section anchors.
3386 (optimization_options): Enable section anchors for all
3387 non-"Objective" languages.
3389 2006-04-28 Eric Christopher <echristo@apple.com>
3391 * config/darwin-c.c (darwin_ms_struct): Move this
3392 (darwin_set_default_type_attributes): and this...
3393 * config/darwin.c: ... here.
3394 * config/darwin.h (darwin_ms_struct): Declare.
3396 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3400 2006-04-28 Roger Sayle <roger@eyesopen.com>
3403 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3404 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3405 an unsigned HOST_WIDE_INT.
3406 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3408 (really_start_incremental_init): No need to call convert because
3409 bitsize_zero_node is already of type bitsizetype.
3410 (push_init_level): Extract the value of constructor_index as an
3411 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3412 (process_init_element): Likewise.
3414 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3416 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3417 value before passing to make_relative_prefix.
3419 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3422 * builtins.c (expand_builtin_memset): Expand val in original mode.
3424 2006-04-27 Eric Christopher <echristo@apple.com>
3426 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3427 with #ifndef/#endif.
3428 * config/darwin-c.c (darwin_ms_struct): New.
3429 (darwin_pragma_ms_struct): Ditto.
3430 (darwin_set_default_type_attributes): Ditto.
3431 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3432 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3433 Register ms_struct pragma.
3434 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3435 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3436 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3437 darwin_set_default_type_attributes if TARGET_MACHO.
3439 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3441 PR tree-optimization/26854
3442 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3443 * doc/tree-ssa.texi: Update immuse iterator documentation.
3444 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3445 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3446 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3447 first_safe_imm_use, next_safe_imm_use): Remove.
3448 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3449 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3450 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3451 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3452 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3453 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3454 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3455 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3456 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3457 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3458 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3459 (perfect_nestify): Use new iterator.
3460 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3462 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3463 (next_imm_name): New field in struct immediate_use_iterator_d.
3464 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3465 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3466 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3467 * tree-cfg.c (replace_uses_by): Use new iterator.
3468 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3469 * tree-ssa-operands.c (correct_use_link): Remove.
3470 (finalize_ssa_use_ops): No longer call correct_use_link.
3472 2006-04-27 Stuart Hastings <stuart@apple.com>
3474 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3475 * config/t-darwin (crt3.o): Use it.
3476 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3477 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3478 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3479 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3480 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3483 2006-04-27 Roger Sayle <roger@eyesopen.com>
3485 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3486 size, force the intermediate into a new pseudo rather instead of
3487 performing both a bitwise AND and a bitwise IOR in memory.
3489 2006-04-27 Richard Guenther <rguenther@suse.de>
3491 PR rtl-optimization/26685
3492 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3493 this one "max-flow-memory-locations".
3495 2006-04-27 Richard Guenther <rguenther@suse.de>
3497 PR tree-optimization/25148
3498 * tree-vrp.c (compare_values): Remove code dealing with
3499 comparisons against type min/max value. Honour overflow
3500 and negative constants in code dealing with comparisons
3501 of plus and minus expressions.
3502 (value_inside_range): Use fold_binary with LE_EXPR and
3503 GE_EXPR rather than compare_values.
3505 2006-04-27 Dirk Mueller <dmueller@suse.de>
3507 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3510 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3512 * basic-block.h (safe_insert_insn_on_edge): Removed.
3513 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3515 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3516 Paolo Bonzini <bonzini@gnu.org>
3519 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3520 (simplify_and_const_int): Same.
3522 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3524 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3526 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3529 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3530 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3531 cgraph_global_info_ready.
3534 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3537 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3538 either decl or init is error_mark_node.
3541 * tree-flow.h (struct omp_region): Add sched_kind.
3542 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3543 instead of extracting omp for data.
3544 (expand_omp_for): Save extracted sched_kind.
3546 2006-04-25 Roger Sayle <roger@eyesopen.com>
3548 * expmed.c (store_bit_field): Also check whether the bitsize is
3549 valid for the machine's "insv" instruction before moving the
3550 target into a pseudo for use with the insv.
3551 * config/i386/predicates.md (const8_operand): New predicate.
3552 * config/i386/i386.md (extv, extzv, insv): Use the new
3553 const8_operand predicate where appropriate.
3555 2006-04-25 DJ Delorie <dj@redhat.com>
3557 * doc/install.texi (Specific): Clarify that this is not a list of
3558 supported hosts or targets.
3560 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3562 PR rtl-optimization/26725
3563 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3564 block's BB_DIRTY flag.
3566 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3568 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3571 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3572 to print an integer.
3574 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3576 * varasm.c (align_variable): New function.
3577 (get_block_for_decl): Apply align_variable to DECL before
3578 calculating section information.
3579 (assemble_variable): Split out alignment computation.
3581 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3583 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3586 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3588 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3589 MODE_PARTIAL_INT mode.
3590 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3591 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3593 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3594 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3596 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3598 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3600 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3601 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3602 MACFLAG_IH): Likewise.
3603 (movstricthi_1): Renamed from "*movstricthi".
3604 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3605 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3606 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3607 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3608 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3609 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3610 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3611 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3612 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3613 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3614 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3615 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3616 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3617 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3618 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3620 * doc/rtl.texi (ss_ashift): Improve wording.
3622 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3624 * dwarf2out.c (verify_marks_clear): New.
3625 (prune_unused_types): Call verify_marks_clear initially, not
3628 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3630 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3631 * doc/rtl.texi: Document them.
3632 * simplify-rtx.c (simplify_unary_operation,
3633 simplify_binary_operation_1): Don't abort when we see them.
3635 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3638 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3639 * configure.ac: Completely disregard languages that are not
3641 * configure: Regenerated.
3643 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3644 Richard Guenther <rguenther@suse.de>
3646 PR tree-optimization/27236
3647 * tree-inline.c (copy_body_r): Make sure to copy
3648 TREE_THIS_VOLATILE flag.
3650 2006-04-24 Richard Guenther <rguenther@suse.de>
3653 * tree-complex.c (update_parameter_components): Don't handle
3654 unused parameters which have no default def.
3656 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3657 Richard Guenther <rguenther@suse.de>
3659 PR tree-optimization/27218
3660 * tree-inline.c (expand_call_inline): Strip useless type
3661 conversions for the return slot address.
3663 2006-04-24 Richard Guenther <rguenther@suse.de>
3665 * cfgloop.h (struct loops): Remove unused field array. Reorder
3667 (LOOP_PREFETCH): Remove.
3669 2006-04-24 Richard Guenther <rguenther@suse.de>
3671 PR tree-optimization/22525
3672 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3673 variable, adjust types of generated expressions.
3675 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3677 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3678 (tree-vect-patterns.o): Likewise.
3680 (cselib.o): Likewise.
3681 (loop-doloop.o): Likewise.
3682 (regclass.o): Likewise.
3683 (reload1.o): Likewise.
3684 (explow.o): Replace target.h with $(TARGET_H).
3685 (ipa-prop.o): Likewise.
3686 (ipa-cp.o): Likewise.
3687 (ipa-inline.o): Likewise.
3688 (reorg.o): Likewise.
3689 (reg-stack.o): Likewise.
3691 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3693 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3695 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3697 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3699 * configure.ac: Completely disregard languages that are not
3701 * configure: Regenerated.
3704 * c-common.h (c_build_bitfield_integer_type): Declare.
3705 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3706 * c-common.c (c_build_bitfield_integer_type): ... here.
3708 2006-04-23 Roger Sayle <roger@eyesopen.com>
3711 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3712 a SImode SUBREG of a floating point register after no_new_pseudos.
3714 2006-04-23 Roger Sayle <roger@eyesopen.com>
3716 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3717 identify potentially eliminable registers to additionally catch
3718 VIRTUAL_INCOMING_ARGS_REGNUM.
3719 (addsi3): Update the conditions on when to use addsi_small_int.
3721 2006-04-23 Roger Sayle <roger@eyesopen.com>
3724 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3725 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3726 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3728 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3730 * fold-const.c (range_predecessor): Use operand_equal_p
3731 as the predicate for equality.
3732 (range_successor): Likewise.
3734 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3737 * config/soft-fp/op-common.h: Fix a typo.
3739 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3742 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3743 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3745 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3747 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3749 * doc/tm.texi: Fix a typo.
3751 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3753 * dwarf2out.c (struct die_struct): Document that die_sib makes
3754 a circular linked list.
3755 (FOR_EACH_CHILD): New.
3756 (reverse_die_lists): Delete.
3757 (reverse_all_dies): Delete.
3758 (add_dwarf_attr): Correct documentation.
3759 (remove_child_with_prev): New.
3760 (remove_child_TAG): Update for change to die_struct, use
3761 remove_child_with_prev.
3762 (add_child_die): Update for change to die_struct.
3763 (splice_child_die): Use remove_child_with_prev and add_child_die.
3764 (print_die): Use FOR_EACH_CHILD.
3765 (die_checksum): Likewise.
3766 (assign_symbol_names): Likewise.
3767 (output_location_lists): Likewise.
3768 (build_abbrev_table): Likewise.
3769 (calc_die_sizes): Likewise.
3770 (mark_dies): Likewise.
3771 (unmark_dies): Likewise.
3772 (unmark_all_dies): Likewise.
3773 (output_die): Likewise.
3774 (prune_unused_types_mark): Likewise.
3775 (prune_unused_types_walk): Likewise.
3776 (same_die_p): Update for change to die_struct.
3777 (break_out_includes): Likewise.
3778 (prune_unused_types_prune): Likewise.
3779 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3780 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3782 (dwarf2out_finish): Don't call reverse_all_dies.
3784 2006-04-21 Eric Christopher <echristo@apple.com>
3786 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3787 in comments and function names.
3789 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3792 * c-typeck.c (digest_init): Robustify.
3794 * c-typeck.c (pop_init_level): Simplify.
3796 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3798 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3800 2006-04-21 Paul Brook <paul@codesourcery.com>
3802 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3803 hardware floating point.
3805 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3807 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3810 2006-04-21 Nick Clifton <nickc@redhat.com>
3812 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3815 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3818 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3819 C++ lang type in traceback table for Objective-C++.
3821 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3823 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3825 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3827 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3830 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3831 were errors. Remove check for erroneous objects.
3833 2006-04-20 Jeff Law <law@redhat.com>
3835 PR tree-optimization/26854
3836 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3837 checking for zero or one use.
3838 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3839 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3840 * tree-ssa-reassoc.c (negate_value): Similarly.
3841 (reassociate_bb): Similarly.
3843 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3845 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3846 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3847 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3849 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3851 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3852 fp regs if the last fp arg doesn't fit in regs.
3854 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3857 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3858 that the last insn has the REG_INC note.
3860 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3861 Nathan Sidwell <nathan@codesourcery.com>
3864 * stor-layout.c (update_alignment_for_field): Do not align
3866 (place_union_field): Place union field at the start of the union.
3867 (place_field): Move ERROR_MARK check later, and use the current
3868 allocation position to maintain monotonicity.
3870 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3872 * dominance.c: Include timevar.h.
3873 (calculate_dominance_info): Use TV_DOMINANCE.
3874 * timevar.def (TV_DOMINANCE): New timevar.
3875 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3877 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3879 PR rtl-optimization/14261
3880 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3881 move would be an INSV insn.
3882 (noce_process_if_block): Don't optimize if the destination is a
3883 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3885 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3887 * config/s390/s390.md: Add comments with the instructions emitted
3888 by an insn pattern if macros are used.
3890 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3892 PR rtl-optimization/26026
3893 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3894 is a known power of two shifted left a variable amount.
3896 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3898 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3899 to hash table twice when the debug_str section has SECTION_MERGE.
3901 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3903 * config/soft-fp: New directory. From glibc.
3904 * config/soft-fp/t-softfp: New.
3905 * config/soft-fp/README: New.
3906 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3907 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3908 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3909 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3910 * config.gcc: Use rs6000/t-fprules-fpbit or
3911 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3913 * config/rs6000/sfp-machine.h: New. Based on glibc.
3914 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3916 * config/rs6000/t-fprules: Remove fp-bit rules.
3917 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3918 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3919 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3920 (softfp_wrap_start, softfp_wrap_end): New.
3922 2006-04-18 DJ Delorie <dj@redhat.com>
3924 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3926 2006-04-18 Devang Patel <dpatel@apple.com>
3928 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3930 2006-04-18 Nick Clifton <nickc@redhat.com>
3932 * config/sh/t-symbian: Add rule to build sh-c.o
3933 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3934 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3935 (sh_symbian_encode_section_info): Likewise.
3937 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3939 * builtins.c (expand_builtin_strcmp): Cover label definition of
3940 do_libcall with HAVE_cmpstrnsi.
3942 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3944 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3946 * function.h (temp_slot_p): New.
3947 (function): Change the type of x_used_temp_slots to
3948 VEC(temp_slot_p,gc) *.
3950 2006-04-18 Nick Clifton <nickc@redhat.com>
3952 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3953 flag_strength_reduce.
3955 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3957 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3961 Partial revert of revision 112637
3962 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3963 Dale Johannesen <dalej@apple.com>
3966 * regclass.c (struct reg_pref): Update documentation.
3967 (regclass): Set prefclass to NO_REGS if memory is the best option.
3968 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3970 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3972 PR tree-optimization/26821
3973 * tree-ssa-math-opts.c (get_constant_one): New.
3974 (insert_reciprocals): Use it.
3976 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3978 * dwarf2out.c (free_AT): Delete.
3979 (remove_AT): Update string ref counts.
3980 (remove_child_TAG): Don't call free_die.
3982 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3983 or DW_TAG_GNU_EINCL.
3984 (prune_unused_types_walk_attribs): Reset string refcounts.
3985 (prune_unused_types_update_strings): New.
3986 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3987 call free_die. Do call prune_unused_types_update_strings.
3988 (prune_unused_types): Empty debug_str_hash.
3990 2006-04-17 Roger Sayle <roger@eyesopen.com>
3992 * expr.c (expand_assignment): Optimize away no-op moves where the
3993 source and destination are equal and have no side-effects.
3995 2006-04-17 Richard Guenther <rguenther@suse.de>
3998 * reload.c (push_reload): Guard calls to get_secondary_mem
4001 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4003 * alias.c (reg_base_value, old_reg_base_value): Change the
4004 type to VEC(rtx,gc) *.
4005 (REG_BASE_VALUE, find_base_value, record_set,
4006 init_alias_analysis): Use VEC instead of VARRAY.
4008 * alias.c (alias_sets): Change the type to
4009 VEC(alias_set_entry,gc) *.
4010 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4011 VEC instead of VARRAY.
4012 (last_alias_set): Remove.
4014 * cgraph.h (cgraph_edge_p): New.
4015 Update the prototype of cgraph_function_versioning.
4016 * cgraphunit.c (cgraph_copy_node_for_versioning,
4017 cgraph_function_versioning): Use VEC instead of VARRAY.
4018 * ipa-cp.c (ipcp_insert_stage): Likewise.
4020 2006-04-16 Roger Sayle <roger@eyesopen.com>
4023 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4024 "A op B" or "A op C", we may need to convert A to the type of B and C.
4026 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4028 * target.h (struct gcc_target): Add mode_rep_extended.
4029 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4030 (init_num_sign_bit_copies_in_rep): Initialize it using
4032 (truncate_to_mode): Use it.
4033 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4034 * targhooks.h (default_mode_rep_extended): Declare it.
4035 * targhooks.c (default_mode_rep_extended): Define it.
4036 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4037 default_mode_rep_extended.
4038 (TARGET_INITIALIZER): Include it.
4039 * doc/tm.texi (Misc): Document it.
4040 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4041 (mips_truncated_to_mode): New function.
4043 2006-04-16 Roger Sayle <roger@eyesopen.com>
4046 * expr.c (compress_float_constant): Copy the narrow constant into
4047 a new pseudo before extending it to its final width.
4049 2006-04-16 Roger Sayle <roger@eyesopen.com>
4050 Andrew Pinski <pinskia@gcc.gnu.org>
4051 Dale Johannesen <dalej@apple.com>
4054 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4055 special case code to implement V8HImode and V16QImode with SSE2.
4057 2006-04-15 Roger Sayle <roger@eyesopen.com>
4059 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4060 trees are constructed with a suitable tree type.
4062 2006-04-15 Roger Sayle <roger@eyesopen.com>
4064 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4065 (integer_onep): Likewise.
4066 (integer_all_onesp): Likewise.
4067 (integer_pow2p): Likewise.
4068 (integer_nonzerop): Likewise.
4069 (real_zerop): Likewise.
4070 (real_onep): Likewise.
4071 (real_twop): Likewise.
4072 (real_minus_onep): Likewise.
4073 (int_size_in_bytes): Likewise.
4074 (host_integerp): Likewise.
4076 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4078 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4079 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4080 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4082 * tree-ssa-structalias.h (alias_info): Remove num_references.
4084 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4086 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4087 (output_bvb patterns): Likewise.
4088 * pa.c (output_bb): Use 'bb' insn for long branch case.
4089 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4090 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4091 1. Correct length operand for alternatives 1 and 2.
4092 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4093 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4095 2006-04-14 Roger Sayle <roger@eyesopen.com>
4097 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4098 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4099 were accidentally reverted by r112959.
4101 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4104 * except.h (eh_region_outermost): New prototype.
4105 * except.c (eh_region_outermost): New function.
4106 * tree-cfg.c (find_outermost_region_in_block): Use it.
4108 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4110 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4112 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4113 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4114 (init_reload, reload): Use VEC instead of VARRAY.
4115 * reload.h: Update the prototype for
4116 reg_equiv_memory_loc_varray.
4118 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4119 Eric Botcazou <ebotcazou@libertysurf.fr>
4121 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4124 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4127 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4128 to expand fallback builtin function call.
4130 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4133 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4134 and emit libcall here in case the builtin fails.
4135 (expand_builtin_strcmp): Always emit the libcall here on failure.
4137 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4139 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4140 * flow.c (reg_n_info): Change the type to
4141 VEC(reg_info_p,heap) *.
4142 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4144 * regs.h (reg_info_p): New.
4145 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4146 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4147 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4150 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4152 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4154 * params.h (MAX_SCHED_READY_INSNS): New macro.
4155 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4156 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4157 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4158 the ready list for 1 cycle during the first scheduling pass.
4159 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4161 2006-04-13 Richard Henderson <rth@redhat.com>
4164 * gimple-low.c (lower_omp_directive): Remove dead code.
4165 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4166 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4167 * omp-low.c (struct omp_region): Move to tree-flow.h.
4168 (root_omp_region): Export.
4169 (omp_regions, lookup_omp_region): Remove.
4170 (determine_parallel_type): Update for struct omp_region changes.
4171 (dump_omp_region): Dump regions with block numbers.
4172 (new_omp_region): Take type and block instead of stmt; malloc
4174 (free_omp_region_1, free_omp_regions): New.
4175 (expand_parallel_call): Take entry_stmt as argument; update for
4176 changes to omp_region.
4177 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4178 (remove_exit_barriers): New.
4179 (expand_omp_parallel): Update for struct omp_region changes.
4180 (expand_omp_synch): Likewise.
4181 (expand_omp): Likewise.
4182 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4183 (expand_omp_for_static_chunk): Likewise.
4184 (expand_omp_for): Likewise.
4185 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4186 (expand_omp_sections): Similarly, with GOMP_sections_end.
4187 (expand_omp_single): New.
4188 (build_omp_regions_1): Update for OMP_CONTINUE.
4189 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4190 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4191 OMP_SECTIONS_SECTIONS.
4192 (lower_omp_single_simple): Don't emit barrier here.
4193 (lower_omp_single_copy): Likewise.
4194 (lower_omp_single): Fix bindings, and lower to straightline now.
4195 (lower_omp_master, lower_omp_ordered): Likewise.
4196 (lower_omp_critical): Likewise.
4197 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4198 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4199 omp edges, free it afterward.
4200 (make_omp_sections_edges): Remove.
4201 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4202 (move_stmt_r): Handle OMP_CONTINUE.
4203 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4204 statement pointers to basic blocks. Add type member.
4205 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4206 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4207 * tree-inline.c (estimate_num_insns_1): Likewise.
4208 * tree-pretty-print.c (dump_generic_node): Likewise.
4209 * tree-ssa-operands.c (get_expr_operands): Likewise.
4210 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4211 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4212 (OMP_CONTINUE): New.
4213 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4214 (OMP_SECTIONS_SECTIONS): Remove.
4215 (OMP_SECTION_LAST): New.
4216 (OMP_RETURN_NOWAIT): New.
4218 2006-04-13 Roger Sayle <roger@eyesopen.com>
4220 * fold-const.c (native_encode_vector, native_interpret_real):
4221 Correct obvious mistakes in the previous check-in.
4223 2006-04-13 Roger Sayle <roger@eyesopen.com>
4225 * fold-const.c (native_encode_expr): New function to encode
4226 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4227 or VECTOR_CST into a specified buffer.
4228 (native_encode_int): New function.
4229 (native_encode_real): New function.
4230 (native_encode_complex): New function.
4231 (native_encode_vector): New function.
4232 (native_interpret_expr): Inverse of native_encode_expr to convert
4233 a target representation into an INTEGER_CST, REAL_CST etc...
4234 (native_interpret_int): New function.
4235 (native_interpret_real): New function.
4236 (native_interpret_complex): New function.
4237 (native_interpret_vector): New function.
4238 (fold_view_convert_expr): New function to constant fold/evaluate
4239 a VIEW_CONVERT_EXPR of a suitable constant expression.
4240 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4241 Change call of build1 to fold_build1 when constructing a
4244 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4245 Ulrich Weigand <uweigand@de.ibm.com>
4248 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4251 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4254 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4255 optimize to lo_sum for DFmode if !TARGET_FPRS.
4257 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4259 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4260 delete_alias_info, compute_flow_sensitive_aliasing,
4261 group_aliases): Use VEC instead of VARRAY.
4262 * tree-ssa-structalias.c (update_alias_info): Likewise.
4263 * tree-ssa-structalias.h (alias_info): Change the type of
4264 processed_ptrs to VEC(tree,heap) *.
4266 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4269 * config/sh/lib1funcs.h: New file, broken out of:
4270 * config/sh/lib1funcs.asm.
4271 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4273 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4274 * config/sh/lib1funcs-Os-4-200.asm: New file.
4275 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4276 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4277 (EXTRA_MULTILIB_PARTS): Include it.
4278 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4279 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4280 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4281 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4284 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4286 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4287 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4288 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4290 * tree-ssa-live.h: Include vecprim.h.
4291 (tree_partition_associator_d): Change the type of
4292 first_partition to VEC(int,heap) *.
4293 (tpa_first_partition): Use VEC instead of VARRAY.
4295 * Makefile.in (GTFILES): Move functions.h after tree.h.
4296 * function.c (reset_block_changes, record_block_change,
4297 check_block_change, free_block_changes): Use VEC instead of
4299 * function.h (function): Change the type of
4300 ib_boundaries_block to VEC(tree,gc) *.
4301 * tree-inline.c (copy_cfg_body): Initialize
4302 ib_boundaries_block to NULL instead of (varray_type) 0.
4304 2006-04-12 Roger Sayle <roger@eyesopen.com>
4306 * expr.c (emit_group_store): Correct operand order in call to
4307 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4308 a SUBREG_BYTE of zero.
4310 2006-04-12 Richard Guenther <rguenther@suse.de>
4312 * profile.c (compute_branch_probabilities): Remove code
4313 encapsulated in !ir_type (), which are remanents of the
4314 removed RTL profiling code.
4315 * rtl-profile.c: Remove.
4317 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4319 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4320 magic NULL_RTX comment.
4321 (function_arg): Store entire fp arg to mem if any part should go
4323 (rs6000_arg_partial_bytes): Adjust for above change.
4325 2006-04-11 Roger Sayle <roger@eyesopen.com>
4327 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4328 if it hasn't been initialized by dwarf2out_init.
4330 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4332 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4333 symbolic constants in branch patterns.
4335 2006-04-11 Roger Sayle <roger@eyesopen.com>
4337 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4339 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4341 PR rtl-optimization/27073
4342 * gcse.c (try_replace_reg): Revert last change. Continue to search
4343 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4346 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4348 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4349 aggregate types other than record and union types.
4350 (function_arg): Likewise.
4351 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4353 (function_value): In 64-bit mode, return objects that require it
4356 2006-04-11 Roger Sayle <roger@eyesopen.com>
4358 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4360 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4362 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4364 2006-04-03 Jeff Law <law@redhat.com>
4367 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4368 alias information too.
4370 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4372 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4374 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4377 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4378 (premark_used_types_helper): New.
4379 (premark_used_types): New.
4380 (gen_subprogram_die): Call premark_used_types.
4381 (prune_unused_types_walk): Do not prune perennial dies.
4382 * function.c (used_types_insert): New.
4383 * function.h (struct function): Add used_types_hash field.
4384 (used_types_insert): Add prototype.
4385 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4386 * c-parser.c (c_parser_cast_expression): Save casted types in used
4389 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4392 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4393 rs6000_explicit_options.float_gprs.
4395 2006-04-10 Roger Sayle <roger@eyesopen.com>
4397 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4398 from ix86_expand_vector_init_low_nonzero. Take an additional
4399 one_var argument indicating which element is non-zero. Support
4400 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4401 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4402 with one_var instead of ix86_expand_vector_init_low_nonzero.
4404 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4406 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4407 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4408 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4409 build/genextract.o): Depend on vecprim.h.
4410 * cfglayout.c, df-problems.c, function.c, genextract.c,
4411 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4412 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4416 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4418 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4419 Declare VECs of this type.
4420 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4421 (remove_children): Delete.
4422 (add_dwarf_attr): Use VEC routines.
4423 (add_AT_flag): Update for changes to add_dwarf_attr.
4424 (add_AT_int): Likewise.
4425 (add_AT_unsigned): Likewise.
4426 (add_AT_long_long): Likewise.
4427 (add_AT_vec): Likewise.
4428 (add_AT_string): Likewise.
4429 (add_AT_die_ref): Likewise.
4430 (add_AT_fde_ref): Likewise.
4431 (add_AT_loc): Likewise.
4432 (add_AT_loc_list): Likewise.
4433 (add_AT_addr): Likewise.
4434 (add_AT_lbl_id): Likewise.
4435 (add_AT_lineptr): Likewise.
4436 (add_AT_macptr): Likewise.
4437 (add_AT_offset): Likewise.
4438 (add_AT_range_list): Likewise.
4439 (get_AT): Use VEC_iterate.
4440 (remove_AT): Use VEC_ordered_remove.
4441 (free_die): Fold remove_children into here; have it use VEC_iterate.
4442 (print_die): Use VEC_iterate on attrs.
4443 (reverse_die_lists): Don't reverse attr lists.
4444 (die_checksum): Use VEC_iterate on attrs.
4445 (same_die_p): Likewise.
4446 (output_location_lists): Likewise.
4447 (build_abbrev_table): Likewise.
4448 (size_of_die): Likewise.
4449 (unmark_all_dies): Likewise.
4450 (output_abbrev_section): Likewise.
4451 (output_die): Likewise.
4452 (prune_unused_types_walk_attribs): Likewise.
4454 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4456 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4458 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4461 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4463 2006-04-09 Roger Sayle <roger@eyesopen.com>
4465 * expr.c (store_constructor): Don't bother clearing target if
4466 we're about to assign a vector to it using vec_init_optab.
4468 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4470 * tree-ssa-alias.c (lhs_may_store_to): New function.
4471 (recalculate_used_alone): Handle LHS of calls.
4473 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4477 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4478 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4479 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4480 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4481 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4482 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4483 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4484 stubs. Add ".align 8" directives before all ".dword" directives.
4485 (GTHREAD_USE_WEAK): Revise comment.
4486 (TARGET_ATTRIBUTE_WEAK): Define.
4487 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4488 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4489 * stublib.c: New file.
4494 * pa.md (cbranch patterns): Revise arguments used in calls to
4495 output_cbranch, output_bb and output_bvd. Add long branch length
4497 (fbranch patterns): Handle long branches.
4498 (jump): Revise length check. Revise arguments for output_lbranch call.
4499 Add long branch length attributes.
4500 (decrement_and_branch_until_zero): Add long branch length attributes.
4501 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4502 Likewise. Revise arguments for output_parallel_addb and
4503 output_parallel_movb calls.
4504 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4505 output_parallel_movb and output_parallel_addb): Update prototypes.
4506 * pa.c (output_cbranch): Revise arguments. Correct handling of
4507 nullification in long branches.
4508 (output_lbranch): Add new argument to control extraction of delay
4510 (output_bb): Handle long branches.
4511 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4512 output_parallel_addb): Likewise.
4514 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4516 PR rtl-optimization/27073
4517 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4520 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4522 * tree.h (tree_memory_tag): Add old_used_alone.
4523 (SMT_OLD_USED_ALONE): New macro.
4524 * tree-ssa-alias.c (recalculate_used_alone): Stop
4525 marking things for renaming unnecessarily.
4527 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4529 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4530 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4531 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4532 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4533 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4534 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4535 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4536 spelling convensions.
4537 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4538 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4539 typos. Follow spelling conventions.
4541 2006-04-07 DJ Delorie <dj@redhat.com>
4543 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4544 passed on the stack.
4545 (m32c_init_cumulative_args): When a function returns a structure,
4546 always pass the pointer to that return area on the stack.
4547 (m32c_function_arg_advance): Don't increment the parameter number
4548 if we're processing the returned structure pointer.
4549 (pushm_info): Reverse order of registers.
4551 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4553 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4554 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4555 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4556 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4558 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4559 chrec_fold_multiply): Same.
4560 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4561 force_expr_to_var_cost): Same.
4562 * tree-mudflap.c (mf_xform_derefs_1): Same.
4563 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4565 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4567 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4568 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4571 2006-04-07 Jan Hubicka <jh@suse.cz>
4573 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4575 2006-04-07 Richard Guenther <rguenther@suse.de>
4577 PR tree-optimization/26135
4578 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4579 loads for store copy-prop.
4580 (copy_prop_visit_stmt): Likewise.
4582 2006-04-05 Robert Millan <robertmh@gnu.org>
4584 * config/i386/linux.h: Add a comment to mark macros that are
4585 being overriden in config/k*bsd-gnu.h.
4586 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4588 * config/knetbsd-gnu.h: Ditto.
4590 2006-04-06 Jan Hubicka <jh@suse.cz>
4594 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4597 2006-04-06 Mike Stump <mrs@apple.com>
4599 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4600 for HAVE_nonlocal_goto to be consistent.
4601 (expand_builtin_nonlocal_goto): Likewise.
4602 (expand_builtin_strcmp): Use #ifdef instead of #if
4603 for HAVE_cmpstrnsi to be consistent.
4605 2006-04-05 DJ Delorie <dj@redhat.com>
4607 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4610 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4612 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4613 got-relative addressing for anything but SImode.
4615 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4616 even if the calling function doesn't modify them.
4618 2006-04-05 Richard Guenther <rguenther@suse.de>
4620 PR tree-optimization/26919
4621 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4622 to cgraph_estimate_size_after_inlining.
4624 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4626 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4628 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4630 PR tree-optimization/26996
4631 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4632 VECTOR_TYPE variables.
4634 2006-04-05 Richard Guenther <rguenther@suse.de>
4636 PR tree-optimization/26763
4637 * fold-const.c (fold_comparison): Move folding of
4638 PTR + CST CMP PTR + CST ...
4639 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4641 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4643 * doc/install.texi (Prerequisites): Refine some wording on
4644 bootstrapping and ksh.
4645 Move the version numbers of DejaGnu here from the testing section
4646 and fix casing of names.
4647 Fix markup and clarify wording for autogen requirements.
4648 Refer to GCJ instead of just java.
4649 Refer to SVN instead of CVS.
4650 Describe diffutils as useful instead of necessary.
4651 (Downloading the source): Refer to SVN instead of CVS.
4652 Adjust a link to our web site accordingly.
4653 (Configuration): Fix casing of Bison.
4654 (Building): Refer to SVN instead of CVS.
4655 Fix a sentence on the use of Bison and remove duplicate (and
4656 incorrect) version number of Bison requirement.
4657 Remove one redundant list of packages needed for building.
4658 (Specific): Avoid reference to CVS.
4660 2006-04-04 Eric Christopher <echristo@apple.com>
4662 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4663 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4664 (rs6000_handle_struct_attribute): New.
4665 (rs6000_ms_bitfield_layout_p): Ditto.
4667 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4669 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4670 NULL for dso parameter to atexit_common.
4672 2006-04-04 Eric Christopher <echristo@apple.com>
4674 * config/i386/i386.c (machopic_output_stub): Output \t
4675 between instructions and operands.
4677 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4679 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4680 satisfies_constraint_[IL] to explicit tests on value.
4682 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4684 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4685 set_nb_iterations_in_loop): Use build_int_cst instead of
4687 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4688 build_int_cst instead of convert.
4690 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4692 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4693 new value 2 for incoming.
4694 * function.c (expand_function_start): Call struct_value_rtx
4696 * config/sparc/sparc.md: Comment updated_return.
4697 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4698 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4699 struct return if sparc_std_struct_return and incoming is 2.
4700 (print_operand): Do not adjust return if
4701 sparc_std_struct_return.
4703 2006-04-04 Roger Sayle <roger@eyesopen.com>
4705 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4706 convert in the middle-end.
4707 * expr.c (store_expr, store_constructor, get_inner_reference,
4708 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4710 * tree.c (build_range_type): Likewise.
4712 2006-04-04 Tom Tromey <tromey@redhat.com>
4714 * doc/install.texi (Prerequisites): Mention jar.
4716 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4718 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4721 2006-04-04 Matthias Klose <doko@debian.org>
4723 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4724 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4727 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4729 * doc/extend.texi (Function Attributes): Rewrite visibility
4730 attribute documentation.
4731 * doc/invoke.texi (C++ Dialect Options): Rewrite
4732 -fvisibility-inlines-hidden documentation to describe something
4733 entirely different, although in practise compatible.
4734 (Code Gen Options): Warn about system headers in -fvisibility=
4737 * doc/extend.texi (Other Builtins): Document that
4738 __builtin_nan is a compile-time constant only when its argument
4741 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4743 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4744 trying to remove TRUNCATE check if all bits outside the new mode
4745 are identical to the sign bit.
4747 2006-04-03 Jeff Law <law@redhat.com>
4749 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4750 and operand scanning in some common cases.
4752 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4753 Dale Johannesen <dalej@apple.com>
4756 * regclass.c (struct reg_pref): Update documentation.
4757 (regclass): Set prefclass to NO_REGS if memory is the best option.
4758 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4759 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4760 into account. For non-registers, equate an empty preferred
4761 reload class to a `!' in the constraint; move the if clause to
4762 do so after those that reject the insn.
4763 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4765 (find_dummy_reload): Likewise.
4766 * doc/tm.texi (Register Classes): Document what it means
4767 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4768 * config/i386/i386.c (ix86_preferred_reload_class): Force
4769 using SSE registers (and return NO_REGS for floating-point
4770 constants) if math is done with SSE.
4771 (ix86_preferred_output_reload_class): New.
4772 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4773 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4774 * config/i386/i386.md: Remove # register preferences.
4776 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4779 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4780 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4781 the type of nb_iter.
4782 (instantiate_parameters_1): Convert the operands before calling
4783 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4784 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4786 2006-04-02 Roger Sayle <roger@eyesopen.com>
4788 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4789 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4791 * dojump.c (do_jump): Likewise.
4792 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4793 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4794 gimplify_boolean_expr): Likewise.
4795 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4796 * varasm.c (array_size_for_constructor): Likewise.
4797 * tree-object-size.c (compute_object_offset): Likewise.
4799 2006-04-02 Roger Sayle <roger@eyesopen.com>
4802 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4803 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4805 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4807 PR tree-optimization/26939
4808 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4810 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4812 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4813 at_stmt. Convert the type of operands before calling
4814 build_polynomial_chrec.
4815 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4817 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4818 (instantiate_parameters_1): Convert the type of operands before calling
4819 build_polynomial_chrec.
4820 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4821 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4822 reset_evolution_in_loop): Insert asserts to check the types of the
4824 (chrec_type): Moved...
4825 (eq_evolutions_p): Use operand_equal_p.
4826 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4827 the types of the operands.
4828 (chrec_type): ...here.
4829 * tree-data-ref.c (create_data_ref): Convert the operands before
4830 calling chrec_replace_initial_condition.
4831 (same_access_functions, analyze_subscript_affine_affine,
4832 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4833 (compute_subscript_distance, analyze_ziv_subscript,
4834 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4835 analyze_miv_subscript): Convert the operands before calling
4836 chrec_fold_minus or chrec_fold_plus.
4838 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4840 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4841 the dependence_relations vector.
4842 (compute_data_dependences_for_loop): Adjust call to
4843 compute_all_dependences.
4845 2006-04-01 Roger Sayle <roger@eyesopen.com>
4846 Richard Henderson <rth@redhat.com>
4848 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4849 gimple_boolify on the condition before calling gimplify_expr.
4851 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4853 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4854 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4855 the frame size. Update to use the new macros.
4856 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4857 * config/xtensa/ieee754-df.S: Likewise.
4859 2006-03-31 Richard Henderson <rth@redhat.com>
4861 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4862 (make_edges): ... here. Control fallthru creation with a local
4863 variable. Do not play with fake edges.
4864 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4865 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4868 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4870 * dwarf2.h (DW64_CIE_ID): Define.
4871 * dwarf2out.c (DWARF_CIE_ID): Define.
4872 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4873 length header. Use DWARF_CIE_ID.
4874 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4875 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4877 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4879 * config/sh/linux-atomic.asm: New file.
4880 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4882 2006-03-31 DJ Delorie <dj@redhat.com>
4884 * config/m32c/cond.md: Set condition flags properly throughout.
4885 * config/m32c/minmax.md: Likewise.
4886 * config/m32c/prologue.md: Likewise.
4887 * config/m32c/bitops.md: Likewise.
4888 * config/m32c/muldiv.md: Likewise.
4889 * config/m32c/mov.md: Likewise.
4890 * config/m32c/addsub.md: Likewise.
4891 * config/m32c/m32c.md: Likewise.
4892 * config/m32c/jump.md: Likewise.
4893 * config/m32c/shift.md: Likewise.
4895 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4896 conditionally output the pattern for this.
4897 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4898 (m32c_compare_redundant): New.
4899 (m32c_output_compare): New.
4900 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4902 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4903 dest, not src. Allow other 4-byte modes.
4905 2006-03-30 Denis Chertykov <denisc@overta.ru>
4907 * doc/md.texi: Refer to avr/constraints.md instead of
4910 2006-03-30 Roger Sayle <roger@eyesopen.com>
4912 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4913 signed vs. unsigned comparison failures on some hosts.
4915 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4918 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4919 change to FLOAT_REGS.
4921 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4922 (rs6000_override_options): Use it.
4923 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4924 only for -mabi=spe/no-spe and -mabi=altivec.
4926 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4928 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4931 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4933 * Makefile.in: Rename docdir to gcc_docdir.
4935 2006-03-30 Roger Sayle <roger@eyesopen.com>
4938 * expr.c (emit_group_store): Optimize group stores into a pseudo
4939 register by using a paradoxical subreg to initialize the destination
4940 if the first or last member of the group specifies a "low part".
4942 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4945 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4946 * target.h (struct gcc_target.speculate_insn): Change type of the
4947 second parameter to 'int'.
4948 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4949 the second operand of the DEPS_LIST.
4950 (copy_DEPS_LIST_list): Update reference to the second operand of the
4952 * rtl.h (alloc_DEPS_LIST): Update signature.
4953 * sched-int.h (ds_t): Change typedef to 'int'.
4954 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4956 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4958 * haifa-sched.c (try_ready): Change condition to restore
4959 non-speculative pattern of the instruction.
4960 (process_insn_depend_be_in_spec): Code to keep probability of the
4961 speculative dependence non-decreasing.
4963 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4965 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4966 (single_move_for_movmem): ... this. Also change all uses.
4967 (bfin_expand_strmov): Renamed to...
4968 (bfin_expand_movmem): ... this. Also change all uses.
4969 * config/bfin/bfin.md (movstrsi): Renamed to...
4970 (movstrsi): ...this.
4972 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4974 PR tree-optimization/26830
4976 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4977 (copy_prop_visit_stmt): Remove write-only variable ann.
4978 (init_copy_prop): Check variable loop depth here. Do not simulate
4979 memory-tag and virtual operand PHIs except for store copy prop.
4981 2006-03-30 Richard Guenther <rguenther@suse.de>
4983 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4984 variants with double arguments.
4986 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4988 * genpreds.c (write_tm_constrs_h): Delete variable p.
4989 * genconditions.c (write_header): Add tm-constrs.h to included
4991 * genpeep.c (main): Add toplev.h to included headers.
4992 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4993 (build/genpeep.o): Add toplev.h dependency.
4994 * config/rs6000/constraints.md: Add "W" constraint.
4996 2006-03-29 Roger Sayle <roger@eyesopen.com>
4998 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4999 sizes by correctly testing whether the size fits a host integer.
5000 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5001 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5002 SImode range for the default sizetype and bitsizetype.
5004 2006-03-29 Roger Sayle <roger@eyesopen.com>
5006 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5007 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5008 quickly if the argument is already of the correct type.
5009 Call fold_build1 instead of build1. Tidy up blank lines.
5011 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5013 * genemit.c (main): Add tm-constrs.h to included headers.
5014 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5015 * genpeep.c (main): Add tm-constrs.h to included headers.
5016 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5017 (write_tm_constrs_h): this and write complete file.
5018 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5019 (write_insn_preds_c): Add tm-constrs.h to included headers.
5020 (gen_constrs): New variable.
5021 (parse_option): Parse "-c".
5022 (main): Invoke write_tm_constrs_h.
5023 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5024 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5025 (object_out_file): Add tm-constrs.h dependency.
5026 (insn-emit.o): Same.
5027 (insn-output.o): Same.
5028 (insn-peep.o): Same.
5029 (insn-preds.o): Same.
5030 (insn-recog.o): Same.
5031 (tm-constsr.h): New target.
5032 (s-constrs-h): New target.
5034 * config/rs6000/constraints.md: New file.
5035 * config/rs6000/rs6000.c: Include tm-constrs.h.
5036 (num_insn_constant_wide): Convert to satisfies_constraint.
5037 (rs6000_rtx_costs): Convert to satisfies_constraint.
5038 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5039 (CONST_OK_FOR_LETTER_P): Delete.
5040 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5041 (EXTRA_CONSTRAINT): Delete.
5042 (EXTRA_MEMORY_CONSTRAINT): Delete.
5043 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5044 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5045 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5046 satisfies_constraint.
5048 * config/i386/i386.c: Include tm-constrs.h.
5050 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5052 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5053 * tree-data-ref.c (find_data_references_in_loop,
5054 compute_data_dependences_for_loop): Use pointers to VEC.
5055 (analyze_all_data_dependences): Adjust calls.
5056 * tree-data-ref.h (find_data_references_in_loop,
5057 compute_data_dependences_for_loop): Adjust declarations.
5058 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5059 compute_data_dependences_for_loop.
5061 2006-03-29 Paul Brook <paul@codesourcery.com>
5063 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5066 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5068 PR tree-optimization/26859
5069 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5071 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5072 for the step after fold_convert.
5074 2006-03-29 Paul Brook <paul@codesourcery.com>
5076 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5077 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5079 2006-03-29 Paul Brook <paul@codesourcery.com>
5082 * targhooks.c (default_narrow_bitfield): New fuction.
5083 * targhooks.h (default_narrow_bitfield): add prototype.
5084 * target.h (gcc_target): Add narrow_volatile_bitfield.
5085 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5086 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5087 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5088 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5090 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5092 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5094 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5095 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5096 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5097 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5098 (s390_function_arg_float): Allow SDmode and DDmode values to be
5099 passed in floating point registers.
5100 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5101 check with SCALAR_FLOAT_MODE_P.
5102 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5104 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5106 PR tree-optimization/25985
5107 * tree-ssa-loop-niter.c (number_of_iterations_le,
5108 number_of_iterations_ne): Make comments more precise.
5109 (number_of_iterations_cond): Add only_exit argument. Use the
5110 fact that signed variables do not overflow only when only_exit
5112 (loop_only_exit_p): New.
5113 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5114 number_of_iterations_cond.
5116 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5118 PR tree-optimization/26643
5119 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5122 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5124 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5125 (divsi3_i4_int): Likewise.
5127 2006-03-28 Roger Sayle <roger@eyesopen.com>
5129 * expr.c (emit_group_store): Only create a new pseudo reg if the
5130 quantity it needs to hold isn't already a suitable pseudo.
5132 2006-03-28 Jeff Law <law@redhat.com>
5134 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5135 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5137 2006-03-28 Roger Sayle <roger@eyesopen.com>
5139 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5140 the equivalent ~X & Y, and the symmetry related transformations.
5141 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5142 ~X & Y, and symmetry related transforms.
5144 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5146 Revert my 2006-03-27 patches.
5148 2006-03-28 Roger Sayle <roger@eyesopen.com>
5150 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5151 ~(T1)X, when T1 and T2 are integer types of the same precision
5152 and (T2)X isn't an extension.
5154 2006-03-28 Jeff Law <law@redhat.com>
5156 PR tree-optimization/26796
5157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5158 need EH edge cleanups rather than purging them immediately.
5159 (eliminate_degenerate_phis): Handle queued EH cleanups.
5161 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5163 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5166 2006-03-27 Roger Sayle <roger@eyesopen.com>
5169 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5170 cast BIT_NOT_EXPR operand to the correct type.
5172 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5174 * tree-loop-linear.c: Don't include varray.h.
5175 (gather_interchange_stats, try_interchange_loops,
5176 linear_transform_loops): Use VEC instead of VARRAY.
5177 * lambda-mat.c: Don't include varray.h.
5178 * tree-chrec.c: Same.
5179 * lambda-trans.c: Same.
5180 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5181 VEC instead of VARRAY.
5182 * tree-vectorizer.h: Idem.
5183 * tree-data-ref.c (dump_data_references,
5184 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5185 initialize_data_dependence_relation, finalize_ddr_dependent,
5186 compute_all_dependences, find_data_references_in_loop,
5187 compute_data_dependences_for_loop, analyze_all_data_dependences,
5188 free_dependence_relation, free_dependence_relations,
5189 free_data_refs): Idem.
5190 * tree-data-ref.h (data_reference_p, subscript_p): New.
5191 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5192 VEC instead of VARRAY.
5193 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5194 (find_data_references_in_loop, compute_data_dependences_for_loop,
5195 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5196 dump_data_dependence_relations, free_dependence_relations,
5197 free_data_refs): Adjust declaration.
5198 (lambda_transform_legal_p): Move declaration here...
5199 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5200 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5201 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5202 vect_analyze_data_refs): Use VEC instead of VARRAY.
5203 * lambda.h (lambda_transform_legal_p): ...from here.
5204 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5205 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5206 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5207 tree-chrec.o): Don't depend on VARRAY_H.
5209 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5211 * rtl.def (Copyright): Update date.
5212 (DEPS_LIST): Change type of the second operand to 'int'.
5213 * target.h (Copyright): Update date.
5214 (struct gcc_target.speculate_insn): Change type of the second parameter
5216 * lists.c (Copyright): Update date.
5217 (alloc_DEPS_LIST): Change signature. Update reference to the second
5218 operand of the DEPS_LIST.
5219 (copy_DEPS_LIST_list): Update reference to the second operand of the
5221 * rtl.h (Copyright): Update date.
5222 (alloc_DEPS_LIST): Update signature.
5223 * sched-int.h (Copyright): Update date.
5224 (ds_t): Change typedef to 'int'.
5225 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5227 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5229 * haifa-sched.c (Copyright): Update date.
5230 (try_ready): Change condition to restore non-speculative pattern
5232 (process_insn_depend_be_in_spec): Code to keep probability of the
5233 speculative dependence non-decreasing.
5235 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5237 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5238 shut up the compiler.
5240 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5242 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5243 to use lib prefix for target.
5244 ($(T)libic_invalidate_array_4-200.a): Likewise.
5245 ($(T)libic_invalidate_array_4a.a): Likewise.
5247 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5248 J"orn Rennecke <joern.rennecke@st.com>
5250 * superh.opt: New file.
5251 * sh.c (boardtype, osruntime): Remove.
5252 * superh.h (SUBTARGET_OPTIONS): Remove.
5253 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5255 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5256 arguments with ^ and/or [].
5258 * config.gcc (sh-*-*): Add quoting to account for quirk of
5260 Replace == with = in enable_incomplete_targets test.
5262 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5263 with MASK_LITTLE_ENDIAN.
5265 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5266 * config/sh/sh.opt: Added to some comments.
5267 * config/sh/superh.h: Removed some chaff.
5269 * config/sh/sh.opt: Add m4-[1234]00* options.
5270 * config/sh/sh.c (sh_handle_option): Likewise.
5271 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5272 (ic_invalidate_array_4-100.o): New rule.
5273 ($(T)libic_invalidate_array_4-100.a): Likewise.
5274 (ic_invalidate_array_4-200.o): Likewise.
5275 ($(T)libic_invalidate_array_4-200.a): Likewise.
5276 (ic_invalidate_array_4a.o): Likewise.
5277 ($(T)libic_invalidate_array_4a.a): Likewise.
5278 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5279 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5281 * config/sh/crt1.asm: Merged in profiling code.
5282 * config/sh/superh.h (STARTFILE_SPEC): Override.
5283 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5284 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5285 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5287 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5288 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5289 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5291 * sh.opt (mpretend-cmove): New option.
5292 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5293 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5294 (movsicc): Add TARGET_PRETEND_CMOVE code.
5296 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5298 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5299 s390_class_max_nregs): New function prototypes.
5300 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5301 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5302 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5303 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5305 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5307 * dwarf2out.c (add_location_or_const_value_attribute): Call
5308 tree_add_const_value_attribute if nothing else works.
5309 (reference_to_unused): New.
5310 (rtl_for_decl_init): Use reference_to_unused to decide whether
5311 to output an initializer.
5313 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5316 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5317 peephole removing spe frob_di_df_2.
5319 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5321 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5322 (subscript_dependence_tester_1): Declared.
5323 (print_dir_vectors, print_dist_vectors): New.
5324 (debug_data_dependence_relation): New.
5325 (dump_data_dependence_relation): Print more details.
5326 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5327 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5328 (save_dist_v, save_dir_v, add_outer_distances,
5329 build_classic_dist_vector_1): New.
5330 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5331 Don't test for lambda_vector_lexico_pos.
5332 (same_access_functions, add_multivariate_self_dist,
5333 add_other_self_distances, dir_from_dist): New.
5334 (build_classic_dir_vector): Replace implementation almost identical to
5335 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5337 (subscript_dependence_tester_1): New.
5338 (subscript_dependence_tester): Handle the lexicographically negative
5339 distance vectors by recomputing the dependence relation.
5340 (compute_affine_dependence): Remove parameter loop_nest_depth.
5341 (compute_self_dependence): Don't call compute_subscript_distance.
5342 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5343 Add a parameter for the loop_nest.
5344 (find_loop_nest_1, find_loop_nest): New.
5345 (compute_data_dependences_for_loop): Compute the loop nest, and give
5346 up if the nest is not well formed.
5347 * tree-data-ref.h (loop_p): New.
5348 (struct data_dependence_relation): Replace size_vect field with
5349 loop_nest, a vec of loops.
5350 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5351 (DDR_LOOP_NEST): New.
5352 (print_dir_vectors, print_dist_vectors,
5353 debug_data_dependence_relation): Declared.
5354 (index_in_loop_nest): New.
5355 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5356 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5359 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5361 * simplify-rtx.c (simplify_relational_operation): Call
5362 simplify_relational_operation_1 even if mode is VOIDmode.
5364 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5366 PR tree-optimization/26804
5367 * tree.h (DECL_CALL_CLOBBERED): New macro.
5368 (tree_decl_common): Add call_clobbered_flag.
5369 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5370 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5371 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5372 (mark_non_addressable): Ditto.
5373 * tree-ssa.c (verify_call_clobbered): New function.
5374 (verify_alias_info): Use it.
5375 * tree-pass.h (pass_reset_cc_flags): New prototype.
5376 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5377 (reset_cc_flags): New function.
5378 * passes.c (init_optimization_passes): Call reset_cc_flags after
5379 initializing referenced_vars.
5381 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5382 Roger Sayle <roger@eyesopen.com>
5385 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5386 to 1.0 for non-real operands. Implement A / A optimization for
5389 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5391 * config/i386/i386.c (size_cost): Correct the comment for
5392 cost of storing fp registers.
5393 (i386_cost): Likewise.
5394 (i486_cost): Likewise.
5395 (pentium_cost): Likewise.
5396 (pentiumpro_cost): Likewise.
5397 (k6_cost): Likewise.
5398 (athlon_cost): Likewise.
5399 (k8_cost): Likewise.
5400 (pentium4_cost): Likewise.
5401 (nocona_cost): Likewise.
5402 (generic64_cost): Likewise.
5403 (generic32_cost): Likewise.
5405 2006-03-24 Denis Chertykov <denisc@overta.ru>
5407 * config/avr/avr-protos.h (extra_constraint): Delete.
5408 (extra_constraint_Q): New declaration.
5409 * config/avr/constraints.md: New file.
5410 * config/avr/avr.md: Include it.
5411 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5412 (TMP_REGNO, ZERO_REGNO): Likewise.
5413 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5414 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5415 (extra_constraint): Delete.
5416 (extra_constraint_Q): Test for memory constraint 'Q'.
5417 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5418 (REG_CLASS_FROM_LETTER): Delete.
5419 (CONST_OK_FOR_LETTER_P): Delete.
5420 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5421 (EXTRA_CONSTRAINT): Delete.
5422 (TMP_REGNO): Delete.
5423 (ZERO_REGNO): Delete.
5425 2006-03-24 Jeff Law <law@redhat.com>
5427 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5428 directly. Call mark_new_vars_to_rename slightly earlier.
5430 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5432 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5434 (gen_compile_unit_die): Use new language types for Objective-C and
5436 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5437 DW_LANG_C_plus_plus.
5440 * config/t-darwin (crt3.o): Work around bug 26840.
5441 * config/darwin-crt3.c: Rewrite.
5442 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5444 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5446 * doc/invoke.texi: Document -femit-class-debug-always
5447 * common.opt: Add -femit-class-debug-always.
5449 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5451 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5452 index and base register.
5453 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5454 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5455 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5456 REGNO_OK_FOR_INDEX_P.
5457 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5459 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5460 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5461 REG_OK_FOR_BASE_P): Definitions removed.
5463 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5466 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5467 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5468 set yet or weren't marked as local yet.
5470 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5472 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5475 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5477 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5478 (rs6000_legitimate_small_data_p): Delete.
5479 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5480 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5481 and make static. Add forward declaration. Update uses.
5482 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5483 of offsettable_memref_p.
5484 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5485 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5487 2006-03-24 Jeff Law <law@redhat.com>
5489 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5490 around bug in immediate-use iterator.
5492 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5495 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5496 or __LITTLE_ENDIAN__.
5498 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5500 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5501 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5502 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5503 * config/sh/sh.opt (mdiv=): Amend description.
5504 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5505 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5506 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5507 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5508 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5509 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5510 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5511 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5512 TARGET_DIVIDE_CALL_FP.
5514 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5516 * haifa-sched.c (choose_ready): Fix type of the local variable.
5517 Move local variables. Add comment.
5518 (check_reg_live): Change signature. Make callable from debugger.
5519 * sched-int.h (check_reg_live): Update signature.
5520 * sched-ebb.c (check_reg_live): Update parameters.
5521 * sched-rgn.c (check_reg_live): Ditto.
5522 (region_head_or_leaf_p): Check pointer before dereferencing.
5523 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5524 before reload on optimization levels below 1.
5526 2006-03-23 Richard Henderson <rth@redhat.com>
5528 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5532 * config/alpha/predicates.md (local_symbolic_operand): Reject
5535 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5538 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5539 expressions which have overflowed constants.
5541 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5543 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5545 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5547 * cfgloopmanip.c (create_loop_notes): Removed.
5548 * final.c (final_scan_insn): Do not handle loop notes.
5549 * jump.c (squeeze_notes): Ditto.
5550 * cfglayout.c (skip_insns_after_block,
5551 duplicate_insn_chain): Ditto.
5552 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5554 * cfgloop.h (create_loop_notes): Declaration removed.
5556 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5558 * varasm.c (output_constant_pool): Restore fnname and fndecl
5560 (assemble_start_function): Adjust call accordingly.
5561 (assemble_end_function): Likewise.
5563 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5566 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5569 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5571 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5574 * system.h (ICE_EXIT_CODE): New macro.
5575 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5576 (diagnostic_action_after_output): Likewise.
5577 * gcc.c (fatal_ice): New function.
5578 (execute): Use it instead of fatal.
5579 (fancy_abort): Likewise.
5580 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5582 2006-03-22 Jeff Law <law@redhat.com>
5584 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5585 iv_analyze_result returning false.
5587 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5589 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5591 2006-03-22 Richard Henderson <rth@redhat.com>
5594 * except.c (duplicate_eh_regions_0): New.
5595 (duplicate_eh_region_1): Duplicate the children of the node as
5596 well as the node itself. Link them up properly.
5597 (duplicate_eh_region_2): Merge into ...
5598 (duplicate_eh_regions): ... here. Take copy_region argument, and
5599 copy only a sub-tree if asked. Simplify copying and fixup.
5600 (eh_region_outer_p): New.
5601 * except.h (duplicate_eh_regions): Update decl.
5602 (eh_region_outer_p): Declare.
5603 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5604 (lower_omp_master): Likewise.
5605 (lower_omp_ordered): Likewise.
5606 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5607 (move_stmt_r): Use it to remap labels. Handle recursion vs
5608 remap_decls_p properly.
5609 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5610 (find_outermost_region_in_block): New.
5611 (new_label_mapper): New.
5612 (move_sese_region_to_fn): Copy eh information to the new function
5614 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5616 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5619 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5621 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5622 into shared libraries.
5624 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5626 * doc/md.texi: Refer to i386/constraints.md instead of
5628 * config/i386/constraints.md: New file, extracted from...
5629 * config/i386/predicates.md: ...here.
5630 * config/i386/i386.md: Include constraints.md.
5632 2006-03-21 Jason Merrill <jason@redhat.com>
5634 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5637 * expr.c (init_block_move_fn): Force default visibility.
5638 (init_block_clear_fn): Likewise.
5639 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5640 * targhooks.c (default_external_stack_protect_fail): Likewise.
5642 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5644 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5645 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5646 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5647 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5648 (loadgp): Use mips_current_loadgp_style.
5649 (loadgp_noshared): New pattern.
5650 (sibcall_internal): Use MIPS_CALL.
5651 (sibcall_value_internal): Likewise.
5652 (sibcall_value_multiple_internal): Likewise.
5653 (call_internal): Likewise.
5654 (call_value_internal): Likewise.
5655 (call_value_multiple_internal): Likewise.
5656 (call_split): Use MIPS_CALL and add an 'S' constraint.
5657 (call_value_split): Likewise.
5658 (call_value_multiple_split): Likewise.
5659 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5660 (-mshared): New option.
5661 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5662 (mips_current_loadgp_style): Declare.
5663 * config/mips/mips.c (mips_classify_symbol): Avoid using
5664 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5665 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5666 TARGET_ABSOLUTE_ABICALLS.
5667 (override_options): Adjust comments. Improve the warning that is
5668 issued when -mabicalls and -G are used together.
5669 (mips_file_start): Remove comment.
5670 (mips_current_loadgp_style): New function.
5671 (mips_gnu_local_gp): New variable.
5672 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5674 (mips_output_function_prologue): Use mips_current_laodgp_style.
5675 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5676 the cprestore instruction.
5677 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5678 live for TARGET_ABSOLUTE_ABICALLS.
5679 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5680 (ASM_SPEC): Pass down -mshared and -mno-shared.
5681 (MIPS_CALL): New macro.
5682 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5684 * doc/invoke.texi (-mabicalls): Update documentation.
5685 (-mshared): Document.
5687 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5689 * config/ia64/unwind-hpux.c: New file.
5690 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5692 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5695 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5697 2006-03-21 Jeff Law <law@redhat.com>
5699 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5700 type conversions of a VR_VARYING source to a wider type.
5702 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5704 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5705 tm_file on Solaris 10 and later.
5706 (sparc64-*-solaris2*): Likewise.
5707 (sparc-*-solaris2*): Likewise.
5708 * config/sol26.h: Rename to config/sol2-6.h.
5709 * config/sol2-10.h: New file.
5711 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5714 * tree-ssa-pre.c (create_component_ref_by_pieces):
5717 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5720 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5721 return it immediately.
5723 2006-03-21 Michael Matz <matz@suse.de>
5725 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5727 (remove_arc, add_arc): Update num_out_arcs member.
5728 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5730 (cache_presence): New function.
5731 (compare_states_for_equiv): New function.
5732 (state_is_differed): Don't take number of outargs, adjust callers.
5733 Use new invariant for speeding up.
5734 (init_equiv_class): Create initial classes based on sorted
5736 (partition_equiv_class): Don't track out_arcs_num.
5737 (evaluate_equiv_classes): Call cache_presence on all states and
5740 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5742 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5743 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5744 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5745 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5747 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5748 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5749 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5750 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5751 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5753 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5754 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5755 (REGNO_REG_CLASS): ARGP is in PREGS.
5756 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5758 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5759 to deal with those addresses.
5760 * addresses.h: New file.
5761 * caller-save.c: Include "addresses.h".
5762 (init_caller_save): Use new base_reg_class function.
5763 * rtl-factoring.c: Include "addresses.h".
5764 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5765 * recog.c: Include "addresses.h".
5766 (preprocess_constraints): Use new base_reg_class function.
5767 * regrename.c: Include "addresses.h".
5768 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5769 functions. Keep track of a new var INDEX_CODE to compute valid
5771 (replace_oldest_value_addr): Likewise.
5772 (replace_oldest_value_mem): Use base_reg_class.
5773 * reload.c: Include "addresses.h".
5774 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5775 (find_reloads): Use new base_reg_class function.
5776 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5777 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5778 all callers and prototype changed.
5779 * reload1.c: Include "addresses.h".
5780 (maybe_fix_stack_asms): Use base_reg_class.
5781 * regclass.c: Include "addresses.h".
5782 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5783 (init_reg_autoinc): Use new base_reg_class function.
5784 (record_reg_classes): Likewise.
5785 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5786 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5787 Use new args to compute necessary class.
5789 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5790 regrename.o, rtl-factoring.o): Update dependencies.
5791 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5792 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5793 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5794 REG_OK_FOR_INDEX_P): Delete documentation.
5796 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5798 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5799 from V7 to V9 for Solaris 7 and above.
5801 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5803 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5804 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5805 argument pointers may not alias any other storage.
5806 * common.opt: Define option -fargument-noalias-anything.
5807 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5808 alias semantics is specified by flag_argument_noalias > 2.
5810 2006-03-20 Jeff Law <law@redhat.com>
5812 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5813 (pass_phi_only_cprop): Declare.
5814 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5816 * tree-ssa-dom.c (degenerate_phi_result): New function.
5817 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5818 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5819 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5820 (eliminate_degenerate_phis): Likewise.
5821 (pass_phi_only_cprop): New pass descriptor.
5822 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5823 support code. Callers updated.
5824 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5825 (store_copy_prop): Likewise.
5826 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5828 2006-03-20 Jason Merrill <jason@redhat.com>
5831 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5832 (push_visibility, pop_visibility): Likewise.
5833 * c-pragma.h: Declare them.
5835 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5837 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5839 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5840 parameter and use get_ebb_head_tail.
5841 (sh_md_init_global): Adjust uses of find_regmode_weight.
5843 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5845 * function.h (struct function) <x_tail_recursion_reentry>:
5846 Rename to x_stack_check_probe_note.
5847 (tail_recursion_reentry): Rename to stack_check_probe_note.
5848 * function.c: Replace tail_recursion_reentry with
5849 stack_check_probe_note everywhere.
5850 (expand_function_start): Only emit a note for
5851 stack_check_probe_note with -fstack-protect.
5852 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5854 * emit-rtl.c (remove_unnecessary_notes): Remove.
5855 (pass_remove_unnecessary_notes): Remove.
5856 * rtl.h (remove_unnecessary_notes): Remove prototype.
5857 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5858 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5859 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5861 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5864 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5865 (valid_in_set): Handle ARRAY_REF.
5866 Change "if min_variant or VH" to asserts.
5867 (create_component_ref_by_pieces): Handle ARRAY_REF.
5868 (create_expression_by_pieces): Likewise.
5869 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5871 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5873 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5874 is operand of switch, not str[0].
5876 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5878 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5879 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5881 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5883 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5884 end of insn_extra_address_constraint declaration.
5886 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5888 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5889 (no-sum-in-toc): Same.
5890 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5892 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5893 NO_FP_IN_TOC for -fPIC instead of mask.
5895 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5896 (BOOT_LDFLAGS): Delete.
5898 * config/rs6000/t-aix52: Same.
5900 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5901 (stmsi[345678]_power): New.
5903 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5905 * config/ia64/ia64.opt: Add empty line to end of file.
5907 2006-03-17 Richard Guenther <rguenther@suse.de>
5910 * builtins.c (get_pointer_alignment): For component style references
5911 adjust alignment to the component type alignment. Make sure
5912 to adjust alignment for component access of constants.
5914 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5916 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5919 2006-03-17 Paul Brook <paul@codesourcery.com>
5921 * doc/install.texi: Docuemnt --with-mode.
5922 * config.gcc: Add --with-mode for arm*-*-*.
5923 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5925 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5927 * sh.c (max_labelno_before_reorg): New variable.
5928 (sh_reorg): Initialize it.
5929 (find_barrier): Check max_labelno_before_reorg before using
5930 label_to_alignment. Take length of explicit alignment insns
5931 into account. When seeing a UNSPECV_CONST_END, return it.
5933 * sh.c (fixup_mova): Set mode of affected label to QImode.
5934 (untangle_mova): New function.
5935 (find_barrier): Use it. Check mode of label before decrementing
5937 (sh_reorg): Likewise.
5938 Set mode of all insns back to VOIDmode.
5940 * sh.c (MOVA_LABELREF): New macro.
5941 (mova_p, fixup_mova, sh_reorg): Use it.
5942 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5943 ADDR_DIFF_VEC matches mova.
5945 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5947 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5948 with ATTRIBUTE_UNUSED.
5950 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5952 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5953 pointer, instead of assuming it is possible to derive the
5954 correct args size from a call insn.
5956 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5958 * rtl.h (CONST_INT_P): Define.
5959 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5960 instead of GET_CODE(x) == CONST_INT.
5961 (vax_rtx_costs): Likewise.
5962 (vax_output_int_move): Likewise.
5963 (vax_output_int_add): Likewise.
5964 (legitimate_constant_address_p): Likewise.
5965 (index_term_p): Likewise.
5966 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5967 * config/vax/vax.md (and<mode>3): Likewise.
5968 (ashrsi3): Likewise.
5970 (movstricthi): Likewise.
5971 (movstrictqi): Likewise.
5972 (rotrsi3): Likewise.
5973 (five unnamed insns): Likewise.
5975 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5977 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5978 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5979 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5980 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5981 Pass to ASM_OUTPUT_DWARF_OFFSET.
5982 * dwarf2out.c (debug_frame_section): New.
5983 (output_call_frame_info): Use debug_frame_section. Pass it to
5984 dw2_asm_output_offset.
5985 (output_die): Pass appropriate section to dw2_asm_output_offset.
5986 (output_compilation_unit_header): Likewise.
5987 (output_pubnames): Likewise.
5988 (output_aranges): Likewise.
5989 (enum dw_val_class): Break dw_val_class_lbl_offset into
5990 dw_val_class_lineptr and dw_val_class_macptr.
5991 (add_AT_lbl_offset): Delete.
5992 (add_AT_lineptr): New.
5993 (add_AT_macptr): New.
5994 (AT_lbl): Expect a lineptr or macptr.
5995 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5996 (attr_checksum): Likewise.
5997 (same_dw_val_p): Likewise.
5998 (size_of_die): Likewise.
5999 (value_format): Likewise.
6000 (output_die): Likewise.
6001 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6003 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6004 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6005 * config/darwin-protos.h (darwin_file_start): New.
6006 (darwin_asm_output_dwarf_offset): New.
6007 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6008 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6010 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6011 if not EH section; simplify.
6012 (darwin_file_start): New.
6013 (darwin_asm_output_dwarf_offset): New.
6014 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6016 (DEBUG_INFO_SECTION): Likewise.
6017 (DEBUG_ABBREV_SECTION): Likewise.
6018 (DEBUG_ARANGES_SECTION): Likewise.
6019 (DEBUG_MACINFO_SECTION): Likewise.
6020 (DEBUG_LINE_SECTION): Likewise.
6021 (DEBUG_LOC_SECTION): Likewise.
6022 (DEBUG_PUBNAMES_SECTION): Likewise.
6023 (DEBUG_STR_SECTION): Likewise.
6024 (DEBUG_RANGES_SECTION): Likewise.
6025 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6026 (ASM_OUTPUT_DWARF_OFFSET): New.
6028 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6030 * config.gcc (tm_defines): Always add to previous value rather
6033 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6035 * config/mips/predicates.md (splittable_const_int_operand): New,
6036 split from move_operand.
6037 (splittable_symbolic_operand): New.
6038 (move_operand): Add commentary. Use splittable_const_int_operand.
6039 Inline mips_atomic_symbolic_constant_p.
6040 * config/mips/mips.md: Add combine splitters for handling moves
6041 of splittable_const_int_operands and splittable_symbolic_operands.
6042 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6043 (mips_split_symbol): Declare.
6044 (mips_move_integer): Declare.
6045 * config/mips/mips.c (mips_split_p): Make global.
6046 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6047 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6048 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6049 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6050 (mips_offset_within_object_p): Handle block symbols.
6051 (mips_atomic_symbolic_constant_p): Delete.
6052 (mips_cannot_force_const_mem): Return false for constants that
6053 mips_legitimize_move can handle.
6054 (mips_use_blocks_for_constant_p): New function.
6055 (mips_split_symbol): Make global.
6056 (mips_move_integer): Likewise. Add a temporary register argument.
6057 (mips_legitimize_const_move): Use splittable_const_int_operand and
6058 splittable_symbolic_operand.
6059 (mips_use_anchors_for_symbol_p): New function.
6060 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6061 (mips_split_p): Declare.
6063 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6065 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6066 (mips*-*-linux*): Likewise.
6068 2006-03-16 Roger Sayle <roger@eyesopen.com>
6069 Daniel Speyer <dspeyer@wam.umd.edu>
6072 * tree-dump.c (dump_real): New function.
6073 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6074 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6075 (tree-dump.o): Add $(REAL_H) to the dependencies.
6077 2006-03-16 Roger Sayle <roger@eyesopen.com>
6080 * real.c (real_from_string): If the mantissa is zero, don't bother
6081 parsing the exponent as the result should always be zero.
6083 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6085 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6087 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6089 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6090 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6091 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6092 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6093 ia64_sched_finish_global): New static functions to implement
6094 hooks from gcc_target.sched.
6095 (spec_check_no, max_uid, pending_data_specs): New static variables.
6096 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6097 ia64_spec_check_src_p): New static functions.
6098 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6099 (TARGET_SCHED_ADJUST_COST): Removed.
6100 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6101 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6102 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6103 TARGET_SCHED_GEN_CHECK,
6104 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6105 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6106 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6107 Fixed to handle speculation checks.
6108 (rtx_needs_barrier): Fixed to handle speculative loads and
6110 (ia64_variable_issue): Added code to count speculative loads and their
6112 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6114 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6116 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6118 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6119 (ia64_reorg): Reset stops_p to NULL after it is freed.
6120 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6121 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6122 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6124 (data_speculative, control_speculative, check_load): New attributes.
6125 (mov<mode>_advanced, mov<mode>_speculative,
6126 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6127 zero_extend<mode>di2_speculative,
6128 zero_extend<mode>di2_speculative_advanced): New patterns for
6129 data and control speculative loads.
6130 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6132 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6133 New pattern for data and control speculation checks.
6134 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6135 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6136 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6137 Auxiliary definitions for the patterns.
6138 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6139 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6141 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6143 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6144 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6145 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6146 New resource constraints.
6147 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6149 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6150 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6151 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6152 msched-in-control-spec, msched-ldc, msched-control-ldc,
6153 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6154 msched-prefer-non-control-spec-insns,
6155 msched-count-spec-in-critical-path): New flags to tune speculative
6157 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6158 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6159 msched-in-control-spec, msched-ldc, msched-control-ldc,
6160 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6161 msched-prefer-non-control-spec-insns,
6162 msched-count-spec-in-critical-path): Document new flags.
6164 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6166 * target.h (struct spec_info_def): New opaque declaration.
6167 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6168 speculate_insn, needs_block_p, gen_check,
6169 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6170 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6171 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6172 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6173 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6174 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6176 (TARGET_SCHED): Use new macros.
6177 * rtl.h (copy_DEPS_LIST_list): New prototype.
6178 * sched-int.h (struct sched_info): Change signature of new_ready field,
6179 adjust all initializations. New fields: add_remove_insn,
6180 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6181 region_head_or_leaf_p.
6182 (struct spec_info_def): New structure declaration.
6183 (spec_info_t): New typedef.
6184 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6185 recovery_block, orig_pat.
6186 (glat_start, glat_end): New variables declaraions.
6187 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6189 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6190 DETACH_LIFE_INFO, USE_GLAT.
6191 (enum SPEC_SCHED_FLAGS): New enumeration.
6192 (NOTE_NOTE_BB_P): New macro.
6193 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6194 attach_life_info, debug_spec_status, check_reg_live): New functions.
6195 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6196 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6198 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6199 * ddg.c (get_block_head_tail): Adjust all uses.
6200 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6201 (sms_sched_info): Initialize new fields.
6202 (contributes_to_priority): Removed.
6203 * haifa-sched.c (params.h): New include.
6204 (get_block_head_tail): Adjust all uses.
6205 (ISSUE_POINTS): New macro.
6206 (glat_start, glat_end): New global variables.
6207 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6208 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6209 old_last_basic_block, before_recovery, current_sched_info_var,
6210 rgn_n_insns, luid): New static variables.
6211 (insn_cost1): New function. Move logic from insn_cost to here.
6212 (find_insn_reg_weight1): New function. Move logic from
6213 find_insn_reg_weight to here.
6214 (reemit_notes, move_insn, max_issue): Change signature.
6215 (move_insn1): Removed.
6216 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6217 extend_bb): New static functions to support extension of scheduler's
6219 (generate_recovery_code, process_insn_depend_be_in_spec,
6220 begin_speculative_block, add_to_speculative_block,
6221 init_before_recovery, create_recovery_block, create_check_block_twin,
6222 fix_recovery_deps): New static functions to support
6223 generation of recovery code.
6224 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6225 restore_bb_notes, move_block_after_check, move_succs): New static
6226 functions to support ebb scheduling.
6227 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6228 functions to support handling of register live information.
6229 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6230 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6231 add_jump_dependencies): New static functions.
6232 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6233 consistancy checking.
6234 (debug_spec_status): New function to call from debugger.
6235 (priority): Added code to handle speculation checks.
6236 (rank_for_schedule): Added code to distinguish speculative instructions.
6237 (schedule_insn): Added code to handle speculation checks.
6238 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6239 Fixed to handle ebbs.
6240 (move_insn): Added code to handle ebb scheduling.
6241 (max_issue): Added code to use ISSUE_POINTS of instructions.
6242 (choose_ready): Added code to choose between speculative and
6243 non-speculative instructions.
6244 (schedule_block): Added code to handle ebb scheduling and scheduling of
6245 speculative instructions.
6246 (sched_init): Initialize new variables.
6247 (sched_finish): Free new variables. Print statistics.
6248 (try_ready): Added code to handle speculative instructions.
6249 * lists.c (copy_DEPS_LIST_list): New function.
6250 * sched-deps.c (extend_dependency_caches): New function. Move logic
6251 from create_dependency_caches to here.
6252 (get_dep_weak, ds_merge): Make global.
6253 * genattr.c (main): Code to output prototype for
6254 dfa_clear_single_insn_cache.
6255 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6256 (output_dfa_clean_insn_cache_func): Code to output
6257 dfa_clear_single_insn_cache function.
6258 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6260 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6262 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6263 New static variables.
6264 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6265 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6267 (ebb_sched_info): Initialize new fields.
6268 (get_block_head_tail): Adjust all uses.
6269 (compute_jump_reg_dependencies): Fixed to use glat_start.
6270 (schedule_ebb): Code to remove unreachable last block.
6271 (schedule_ebbs): Added code to update register live information.
6272 * sched-rgn.c (region_sched_info): Initialize new fields.
6273 (get_block_head_tail): Adjust all uses.
6274 (last_was_jump): Removed. Adjust users.
6275 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6276 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6277 Implement new hooks.
6278 (check_dead_notes1): New static function.
6279 (struct region): New fields: dont_calc_deps, has_real_ebb.
6280 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6281 (BB_TO_BLOCK): Fixed to handle EBBs.
6282 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6283 (ebb_head): New static variable.
6284 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6285 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6287 (compute_dom_prob_ps): New assertion.
6288 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6289 global_live_at_start.
6290 (init_ready_list): New assertions.
6291 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6292 (new_ready): Add support for BEGIN_CONTROL speculation.
6293 (schedule_insns): Fixed code that updates register live information
6295 (schedule_region): Fixed to handle EBBs.
6296 (init_regions): Use extend_regions and check_dead_notes1.
6297 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6298 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6299 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6300 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6301 TARGET_SCHED_GEN_CHECK,
6302 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6303 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6304 * doc/invoke.texi (max-sched-insn-conflict-delay,
6305 sched-spec-prob-cutoff): Document.
6307 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6309 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6310 inter_tick, queue_index.
6311 (struct sched_info): Change signature of init_ready_list field.
6312 Adjust all initializations.
6313 (RESOLVED_DEPS): New access macro.
6314 (ready_add): Remove prototype.
6315 (try_ready): Add prototype.
6316 * sched-rgn.c (init_ready_list): Use try_ready.
6317 (schedule_region): Initialize
6318 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6319 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6320 (init_ready_list): Use try_ready.
6321 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6322 * lists.c (remove_list_elem): Remove `static'.
6323 (remove_free_INSN_LIST_elem): New function.
6324 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6325 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6326 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6328 (readyp): New variable.
6329 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6330 change_queue_index, resolve_dep): New static functions.
6331 (try_ready): New function. Adjust callers in sched-rgn.c and
6332 sched-ebb.c to use it instead of ready_add.
6333 (clock_var): Move at the begining of file.
6334 (rank_for_schedule): Fix typo.
6335 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6336 (ready_lastpos): Enforce assertion.
6337 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6339 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6340 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6341 (queue_to_ready): Use free_INSN_LIST_list.
6342 (early_queue_to_ready): Fix typo.
6343 (schedule_block): Init readyp. Move init_ready_list call after the
6344 initialization of clock_var. Fix error in rejecting insn by
6345 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6346 that previously corrected INSN_TICKs. Add code for handling
6348 (set_priorities): Fix typo.
6349 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6350 Clarify comment and code that keeps current_sched_info->next_tail
6353 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6355 * sched-rgn.c (extend_rgns): New static function.
6356 (find_rgns): Use it.
6357 (gather_region_statistics, print_region_statistics): New static
6359 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6360 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6362 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6363 Andrey Belevantsev <abel@ispras.ru>
6365 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6366 * lists.c (unused_deps_list): New variable.
6367 (free_list): Add assertions to verify the proper distinguishing
6368 between INSN_LISTs and DEPS_LISTs.
6369 (find_list_elem, remove_list_elem, remove_list_node): New static
6371 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6372 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6373 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6374 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6376 (free_INSN_LIST_node): Likewise.
6377 * modulo-sched.c (current_sched_info): Initialize flags field.
6378 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6379 * rtl.def (DEPS_LIST): Define.
6380 * rtl.h: Declare new functions from lists.c.
6381 * sched-deps.c (spec_dependency_cache): New static variable.
6382 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6383 (add_dependence): Change return type to void. Move the logic to ...
6384 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6385 (delete_all_dependences): Add comment about forward_dependency_cache.
6386 Handle spec_dependency_cache. Handle DEPS_LISTs.
6387 (fixup_sched_groups): Clarify the change of priority of output
6388 and anti dependencies.
6389 (sched_analyze_2): Adjust add_dependence calls to create data
6390 speculative dependence.
6391 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6392 Adjust all callers. Handle DEPS_LISTS.
6393 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6394 presence of speculation.
6395 (init_dependency_caches, free_dependency_caches):
6396 Handle spec_dependency_cache.
6397 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6398 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6399 New static functions.
6400 (add_or_update_back_dep, add_or_update_back_forw_dep,
6401 add_back_forw_dep, delete_back_forw_dep): New functions.
6402 * sched-int.h (ds_t, dw_t): New typedefs.
6403 (struct sched_info): Add new field flags.
6404 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6405 Prototype new sched-deps.c functions.
6406 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6407 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6408 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6409 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6410 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6411 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6413 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6415 * sched-rgn.c (current_sched_info): Initialize flags field.
6416 (schedule_insns): Initialize current_sched_info before the sched_init
6418 * sched-ebb.c (current_sched_info): Initialize flags field.
6419 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6420 Call add_or_update_back_dep instead of add_dependence.
6421 Create control speculative dependencies.
6422 (schedule_insns): Initialize current_sched_info before the sched_init
6425 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6427 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6429 (sh_fallback_frame_state): Likewise.
6431 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6433 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6434 Do switch on default_use_cxa_atexit.
6435 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6436 * config/darwin-crt3.o: New.
6437 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6438 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6439 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6441 * config/rs6000/t-darwin: Move crt2.o building to here.
6442 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6443 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6446 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6448 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6449 from '! xxx' to '!xxx' for coding-style conformance.
6450 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6451 (EXTRA_CONSTRAINT): Likewise.
6452 * config/vax/vax.md (four unnamed insns): Likewise.
6454 2006-03-15 Paul Brook <paul@codesourcery.com>
6456 * config/arm/arm.c (minipool_pad): New.
6457 (add_minipool_forward_ref): Include pool alignment padding in address
6459 (push_minipool_fix): Set minipool_pad.
6460 (minipool_pad): Ditto.
6462 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6464 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6465 instead of GET_CODE() == MEM and REG_P() instead of
6467 (print_operand_address): Likewise.
6468 (vax_address_cost): Likewise.
6469 (vax_rtx_costs): Likewise.
6470 (vax_notice_update_cc): Likewise.
6471 (vax_output_int_add): Likewise.
6472 (INDEX_REGISTER_P): Likewise.
6473 (BASE_REGISTER_P): Likewise.
6474 (nonindexed_address_p): Likewise.
6475 (vax_mode_dependent_address_p): Likewise.
6476 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6477 (PRINT_OPERAND): Likewise.
6478 * config/vax/vax.md (ashlsi3): Likewise.
6479 (ashlsi3): Likewise.
6480 (some more unnamed insns): Likewise.
6482 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6484 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6485 iterator-style macro.
6486 (mark_control_dependent_edges_necessary): Update the use of
6487 EXECUTE_IF_CONTROL_DEPENDENT.
6489 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6491 * config/sh/predicates.md (cache_address_operand): Special.
6492 (ua_address_operand): Likewise.
6494 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6496 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6498 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6500 2006-03-15 Andreas Schwab <schwab@suse.de>
6502 * gensupport.c (identify_predicable_attribute): Don't free p_false
6503 when it is still in use.
6505 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6507 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6508 the default setting here.
6510 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6512 * tree-pass.h (pass_cfg): Remove.
6513 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6514 * passes.c (pass_cfg): Don't run it.
6516 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6518 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6519 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6521 (stack_regs_mentioned): Update the uses of
6522 stack_regs_mentioned_data. Don't access the array beyond its
6524 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6525 Don't include gt-reg-stack.h.
6527 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6528 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6530 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6533 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6536 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6538 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6540 2006-03-14 Richard Guenther <rguenther@suse.de>
6542 PR tree-optimization/26672
6543 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6546 2006-03-14 Richard Guenther <rguenther@suse.de>
6548 PR tree-optimization/26667
6549 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6550 node for the callees. Always allow inlining if it will shrink
6553 2006-03-14 Richard Guenther <rguenther@suse.de>
6556 * builtins.c (get_pointer_alignment): Prefer alignment
6557 information from decls over that from types.
6559 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6562 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6564 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6566 * config/rs6000/rs6000.opt (mdlmzb): New option.
6567 (msched-prolog, msched-epilog): Use Var not Mask.
6568 * doc/invoke.texi (-mdlmzb): Document.
6569 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6571 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6572 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6574 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6576 PR rtl-optimization/25739
6577 * bt-load.c (augment_live_range): Free tos pointer.
6579 * gensupport.c (identify_predicable_attribute): Free
6581 * gcov.c (create_file_names): Free name pointer.
6583 2006-03-13 Roger Sayle <roger@eyesopen.com>
6586 * stmt.c (emit_case_nodes): Handle the case where the index is a
6587 CONST_INT, where the comparison mode is specified by the index type.
6589 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6591 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6594 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6596 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6597 (*branch_fp_inverted): Likewise.
6599 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6602 * omp-low.c (expand_omp_for_generic): Mark istart0
6603 and iend0 as addressable.
6605 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6607 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6609 2006-03-13 Jeff Law <law@redhat.com>
6611 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6612 virtual operands are interesting.
6613 (vrp_visit_stmt): Corresponding changes.
6615 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6617 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6619 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6620 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6621 * config/bfin/crti.S: Use it instead of __PIC__.
6622 * config/bfin/crtn.S: Likewise.
6624 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6625 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6627 Lose 'G' modifier for call operand.
6628 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6629 recognize 'G' modifier.
6631 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6634 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6635 * stmt.c (expand_case): Likewise.
6637 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6639 PR rtl-optimization/26254
6640 * loop-invariant.c (seq_insns_valid_p): New function.
6641 (move_invariant_reg): Only emit new code if it is valid.
6643 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6645 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6647 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6648 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6649 (commit_one_edge_insertion): Do not look for loop notes.
6651 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6653 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6654 flag_test_coverage out of loop.
6656 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6658 * final.c (shorten_branches): Remove outdated comment, and turn
6659 the if branch that guards it to continue.
6661 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6663 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6664 * cfgloop.h (struct loop): Remove unused fields.
6666 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6668 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6669 (-dL, -fdump-rtl-loop2): Update the dump file names
6671 * doc/invoke.texi: Update dump file names.
6673 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6675 * predict.c (estimate_probability): Remove.
6676 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6677 * basic-block.h (estimate_probability): Remove prototype.
6678 * passes.c (finish_optimization_passes): Dump branch prediction or
6679 profiling heuristics to the .profile tree dump.
6680 (init_optimization_passes): Unqueue pass_branch_prob.
6682 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6684 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6686 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6687 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6689 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6691 * function.h (frame_offset_overflow): Declare.
6692 * function.c (frame_offset_overflow): New function.
6693 (assign_stack_local_1): Call it to detect that the offset overflows.
6694 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6696 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6698 * config/sh/sh.c: Include alloc-pool.h.
6699 (label_ref_list_pool): New alloc pool.
6700 (label_ref_list_t): New type for lists of labels.
6701 (struct pool_node): Make wend a label_ref_list_t.
6702 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6704 (dump_table): Likewise.
6705 (sh_reorg): Set up the alloc pool before using add_constant and
6706 dump_table, and destroy it when finishing.
6708 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6710 * config/mips/mips.c: Remove redundant comment.
6712 2006-03-10 Jason Merrill <jason@redhat.com>
6715 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6716 the target was declared 'register'.
6718 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6720 * genpreds.c (write_insn_constraint_len): Change definition of
6721 insn_constraint_len to return size_t to match the declaration.
6723 2006-03-10 DJ Delorie <dj@redhat.com>
6725 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6727 (m32c_expand_insv): Fix test for an AND mask.
6729 2006-03-10 Richard Guenther <rguenther@suse.de>
6732 * builtins.c (get_pointer_alignment): Handle component
6733 references for field alignment.
6735 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6737 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6738 when building with libgloss.
6739 (sh*elf): Implement --without-fp option.
6740 (sh64-superh-linux*): Don't multilib.
6742 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6744 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6746 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6748 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6749 Set it when one of the replacement functions returned true.
6750 Return TODO_cleanup_cfg if cfgchanged is true.
6751 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6753 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6755 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6756 instead of gen_lowpart.
6758 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6760 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6762 (mips_output_order_conditional_branch): Declare.
6763 * config/mips/mips.h (MIPS_BRANCH): New macro.
6764 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6765 for the comparison. Use gen_condjump.
6766 (mips_output_conditional_branch): Rework interface to take the
6767 asm templates for a direct branch and the inverse of a direct branch.
6768 (mips_output_order_conditional_branch): New function.
6769 (mips_builtin_branch_and_move): New function.
6770 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6771 branch condition. Use gen_single_cc as the condition for
6772 __builtin_mips_upper_* or __builtin_mips_lower_*.
6773 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6774 Use VOIDmode for the branch condition.
6775 * config/mips/predicates.md (order_operator): New predicate.
6776 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6777 (branch_fp): Rename to...
6778 (*branch_fp): ...this. Remove mode from comparison operator.
6779 Use new mips_output_conditional_branch interface.
6780 (branch_fp_inverted): Rename to...
6781 (*branch_fp_inverted): ...this and update as for *branch_fp.
6782 (*branch_zero<mode>): Rename to...
6783 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6784 Use mips_output_order_conditional_branch. Only accept ordered
6786 (*branch_zero<mode>_inverted): Rename to...
6787 (*branch_order<mode>_inverted): ...this and update as for
6788 *branch_order<mode>.
6789 (*branch_equality<mode>): Accept zero as the second operand to
6790 the equality operator. Use the new mips_output_conditional_branch
6792 (*branch_equality<mode>_inverted): Likewise.
6793 (condjump): New expander.
6794 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6796 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6797 (bc1any2t, bc1any2f): Likewise.
6798 (single_cc): New expander.
6799 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6801 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6803 * doc/md.texi: Update documentation of MIPS constraints.
6804 * config/mips/constraints.md: New file.
6805 * config/mips/mips.md: Include it.
6806 * config/mips/mips.c (mips_char_to_class): Delete.
6807 (override_options): Don't initialize mips_char_to_class.
6808 * config/mips/mips.h (mips_char_to_class): Delete.
6809 (REG_CLASS_FROM_LETTER): Delete.
6810 (CONST_OK_FOR_LETTER_P): Delete.
6811 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6812 (EXTRA_CONSTRAINT_Y): Delete.
6813 (EXTRA_CONSTRAINT_STR): Delete.
6814 (CONSTRAINT_LEN): Delete.
6815 (EXTRA_MEMORY_CONSTRAINT): Delete.
6817 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6819 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6820 original fn's eh regions.
6822 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6824 * fold-const.c (build_range_check): Make sure to use a valid type to
6825 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6828 (range_predecessor): New static function.
6829 (range_successor): Likewise.
6830 (merge_ranges): Use them to compute predecessors and successors of
6833 2006-03-09 Roger Sayle <roger@eyesopen.com>
6836 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6837 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6839 2006-03-08 DJ Delorie <dj@redhat.com>
6841 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6842 (addpsi3): Expand to include memory operands. Remove
6843 reload-specific splits.
6844 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6845 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6846 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6847 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6848 (shift1_qi, shift1_hi, insv): New.
6849 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6850 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6851 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6853 * config/m32c/m32c-protos.h: Update as needed.
6854 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6855 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6856 Fail for unrecognized R* constraints.
6857 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6858 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6859 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6861 (m32c_init_libfuncs): New.
6862 (m32c_legitimate_address_p): Add debug wrapper.
6863 (m32c_rtx_costs): New.
6864 (m32c_address_cost): New.
6865 (conversions): Add 'B' prefix.
6866 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6867 operands, or word regnames for QI operands. 'B' prints bit
6869 (m32c_expand_setmemhi): New.
6870 (m32c_expand_movmemhi): New.
6871 (m32c_expand_movstr): New.
6872 (m32c_expand_cmpstr): New.
6873 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6874 (m32c_expand_neg_mulpsi3): Handle non-ints.
6875 (m32c_cmp_flg_0): New.
6876 (m32c_expand_movcc): New.
6877 (m32c_expand_insv): New.
6878 (m32c_scc_pattern): New.
6879 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6880 a0/a1 out of SIregs.
6881 (STORE_FLAG_VALUE): New.
6882 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6885 * config/m32c/mov.md: Make constraints more liberal.
6886 (zero_extendqihi2): Optimize r0/r1 case.
6887 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6888 * config/m32c/predicates.md (m32c_any_operand): New.
6889 (m32c_nonimmediate_operand): New.
6890 (m32c_hl_operand): New.
6891 (m32c_r3_operand): New.
6894 (memsym_operand): New.
6895 (memimmed_operand): New.
6896 (a_qi_operand): New.
6897 (m32c_eqne_operator): New.
6898 (m32c_1bit8_operand): New.
6899 (m32c_1bit16_operand): New.
6900 (m32c_1mask8_operand): New.
6901 (m32c_1mask16_operand): New.
6902 * config/m32c/blkmov.md: New file.
6903 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6905 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6907 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6908 unsigned to fix signed/unsigned comparison issue in
6909 DWARF2_FRAME_REG_OUT.
6910 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6911 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6913 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6914 of ptr into the ENABLE_CHECKING section.
6916 2006-03-08 Jeff Law <law@redhat.com>
6918 * tree-vrp.c (infer_value_range): Only count pointer uses
6919 and dereferences if -fdelete-null-pointer-checks is enabled.
6921 * tree-vrp.c (find_assert_locations): Infer value ranges for
6922 single use pointers, but do not create ASSERT_EXPRs for them.
6923 When a non-null range is inferred for a pointer, backwards
6924 propagate that range to other equivalent pointers through the
6927 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6930 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6931 language hook targets.
6932 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6933 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6934 if language hook targets were missing.
6936 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6938 * tree-ssa-opfinalize.h: Removed.
6939 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6941 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6942 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6943 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6944 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6945 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6946 finalize_ssa_v_must_def_ops): New.
6948 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6950 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6953 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6955 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6957 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6958 addresses with offsets; reorganize.
6960 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6961 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6962 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6964 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6967 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6969 2006-03-08 Ben Elliston <bje@au.ibm.com>
6971 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6973 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6976 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6979 2006-03-07 Richard Guenther <rguenther@suse.de>
6981 PR tree-optimization/26587
6982 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6984 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6986 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6988 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6990 * hooks.c (hook_bool_mode_rtx_true): New function.
6991 * hooks.h (hook_bool_mode_rtx_true): Declare.
6992 * toplev.c (compile_file): Call output_shared_constant_pool.
6993 * varasm.c (shared_constant_pool): New variable.
6994 (assemble_start_function, assemble_end_function): Remove arguments
6995 from call to output_constant_pool.
6996 (create_constant_pool): New function, split out from...
6997 (init_varasm_status): ...here.
6998 (force_const_mem): Choose between the shared and per-function constant
6999 pools. Set current_function_uses_const_pool when reusing old entries
7000 as well as when creating new ones.
7001 (mark_constant): Ignore data argument.
7002 (mark_constants): Remove pool argument.
7003 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7004 to decide whether the function uses a constant pool.
7005 (output_constant_pool_contents): New function, split out from...
7006 (output_constant_pool): ...here.
7007 (output_shared_constant_pool): New function.
7008 (init_varasm_once): Initialize shared_constant_pool.
7009 * output.h (output_constant_pool): Delete.
7010 (output_shared_constant_pool): Declare.
7011 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7012 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7014 2006-03-06 Nick Clifton <nickc@redhat.com>
7016 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7017 flag_strength_reduce.
7019 2006-03-06 Ben Elliston <bje@au.ibm.com>
7021 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7022 x86_64-*-linux* configurations.
7024 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7025 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7027 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7029 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7031 * basic-block.h: Remove the extern for
7032 rediscover_loops_after_threading.
7034 * cfgloop.c (cancel_loop): Make it static.
7035 * cfgloop.h: Remove the prototype for cancel_loop.
7037 * flow.c (recompute_reg_usage): Make it static.
7038 * rtl.h: Remove the prototype for recompute_reg_usage.
7040 * function.c (use_return_register): Make it static.
7041 * function.h: Remove the prototype.
7043 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7045 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7047 * recog.h: Remove the prototype for
7048 validate_change_maybe_volatile.
7050 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7052 * rtlanal.c (replace_reg): Remove.
7053 * rtl.h: Remove the prototype for replace_reg.
7055 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7057 * regclass.c (reg_scan_update): Remove.
7058 (reg_scan_mark_refs): Remove the last argument.
7059 * rtl.h: Remove the prototype for reg_scan_update.
7061 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7063 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7064 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7065 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7066 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7067 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7068 loop-invariant.c, omp-low.c, opts.c, passes.c,
7069 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7070 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7071 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7072 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7073 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7074 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7076 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7078 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7079 * dwarf2out.h: Remove the prototype for
7080 dwarf2out_add_library_unit_info.
7082 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7084 * tree.c (add_var_to_bind_expr): Remove.
7085 * tree.h: Remove the prototype for add_var_to_bind_expr.
7087 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7089 * regclass.c (n_non_fixed_regs): Remove.
7090 (init_reg_sets_1, globalize_reg): Remove all uses of
7092 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7094 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7096 * rtlanal.c (insns_safe_to_move_p): Remove.
7097 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7099 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7101 * expmed.c (expand_mult_add): Remove.
7102 * expr.h: Remove the prototype for expand_mult_add.
7104 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7106 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7107 and REG_SAVED_VAL_EXP constants.
7108 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7109 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7110 Handle regs stored by value.
7111 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7112 (execute_cfa_program): Handle DW_CFA_val_offset,
7113 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7114 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7115 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7116 (uw_install_context_1): Handle target regs stored by value.
7118 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7120 * tree-sra.c (tree_sra): Return todoflags;
7121 (generate_one_element): Set TODO_update_smt_usage if needed.
7122 (pass_sra): Remove TODO_update_smt_usage.
7123 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7125 (tree_ssa_forward_propagate_single_use_vars): Return
7126 TODO_update_smt_usage if we need to update SMT usage.
7127 (pass_forwprop): Remove TODO_update_smt_usage.
7129 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7131 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7132 (correct_use_link): Remove reference to get_stmt_operands.
7133 (update_stmt_operands): Likewise.
7134 (get_modify_expr_operands): New function factored out of
7135 parse_ssa_operands and get_expr_operands.
7136 Try to create V_MUST_DEFs for LHS by default.
7137 (get_expr_operands) <case MODIFY_EXPR>: Call
7138 get_modify_expr_operands.
7139 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7140 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7141 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7142 get_modify_expr_operands.
7144 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7146 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7147 * tree-flow.h: Remove the prototype for
7148 referenced_var_lookup_if_exists.
7150 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7152 PR rtl-optimization/26345
7154 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7156 2006-03-03 Roger Sayle <roger@eyesopen.com>
7158 PR tree-optimization/26524
7159 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7160 fold_convert to create a constant of the appropriate type.
7162 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7164 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7165 SYMBOL_REF_IN_BLOCK_P.
7166 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7167 of SYMBOL_FLAG_IN_BLOCK.
7168 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7169 instead of SYMBOL_REF_IN_BLOCK_P.
7170 * explow.c (use_anchored_address): Likewise.
7171 * rtl.c (rtx_size): Likewise.
7172 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7173 instead of SYMBOL_FLAG_IN_BLOCK.
7174 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7175 SYMBOL_REF_IN_BLOCK_P.
7176 (assemble_variable): Likewise.
7177 (output_constant_def_contents): Likewise.
7178 (output_constant_pool): Likewise.
7179 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7180 instead of SYMBOL_FLAG_IN_BLOCK.
7181 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7182 SYMBOL_REF_IN_BLOCK_P.
7183 (SYMBOL_REF_BLOCK): Likewise.
7184 (SYMBOL_REF_OFFSET): Likewise.
7185 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7186 SYMBOL_REF_IN_BLOCK_P.
7187 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7188 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7189 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7190 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7192 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7194 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7196 2006-03-02 Roger Sayle <roger@eyesopen.com>
7198 * simplify-rtx.c (simplify_unary_operation): When simplifying
7199 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7200 that we perform the right shift in the appropriate mode, and
7201 then extend or truncate the result to requested mode.
7203 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7205 * gengtype.c (main): Handle double_int type.
7206 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7207 * double-int.c: New file.
7208 * double-int.h: New file.
7209 * system.h: Include doubleint.h.
7210 * Makefile.in (SYSTEM_H): Include double-int.h.
7211 (double-int.o): Add.
7213 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7216 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7219 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7221 * tree-vrp.c (remove_range_assertions): Do not update statements
7224 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7226 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7228 * gcse.c (rest_of_handle_gcse): Ditto.
7229 * except.c (gate_handle_eh): Ditto.
7230 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7231 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7233 2006-03-02 Eric Christopher <echristo@apple.com>
7235 * config/i386/i386.c (machopic_output_stub): Add indirection to
7238 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7242 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7244 Sun Niagara specific optimizations.
7245 * config.gcc: Recognize niagara as target.
7246 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7247 (TARGET_CPU_niagara): Define.
7248 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7249 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7250 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7251 (ASM_CPU_SPEC): Likewise.
7252 (PROCESSOR_NIAGARA): New enum entry.
7253 (REGISTER_MOVE_COST): Handle Niagara.
7254 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7255 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7256 (sparc_override_options): Recognize "niagara", set appropriate
7257 default MASK_* values for it, and align functions to 32-bytes
7258 by default just like ULTRASPARC/ULTRASPARC3.
7259 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7260 (sparc64_initialize_trampoline): Likewise.
7261 (sparc_use_sched_lookahead): Use zero for niagara.
7262 (sparc_issue_rate): Use one for niagara.
7263 * config/sparc/niagara.md: New file.
7264 * config/sparc/sparc.md: Include it.
7265 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7266 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7267 when default cpu is niagara.
7268 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7269 (ASM_CPU_SPEC): Likewise.
7270 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7271 when default cpu is niagara.
7272 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7273 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7274 just like v9/ultrasparc/ultrasparc3.
7275 * doc/invoke.texi: Add documentation for "niagara" and improve
7276 existing documentation for ultrasparc variants.
7278 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7280 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7282 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7284 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7285 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7286 and say that only one is needed.
7287 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7288 * target.h (have_switchable_bss_sections): New hook.
7289 * explow.c (use_anchored_address): Check that the symbol is in a block.
7290 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7291 (bss_noswitch_section): New variables.
7292 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7293 (get_noswitch_section): New function.
7294 (get_block_for_section): Allow SECT to be null.
7295 (unlikely_text_section_p): Use SECTION_STYLE.
7296 (bss_initializer_p): New function.
7297 (get_variable_section): Move earlier in file. Take a new argument,
7298 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7299 Return one of the new *_sections in such cases.
7300 (get_block_for_decl): New function, extracting some logic from
7301 use_blocks_for_decl_p.
7302 (change_symbol_section): Remove in favor of...
7303 (change_symbol_block): ...this new function.
7304 (use_blocks_for_decl_p): Remove checks now performed by
7306 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7307 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7308 (emit_local, emit_bss, emit_common): ...these new functions.
7309 Return true if the alignment was honored.
7310 (emit_tls_common): New function.
7311 (asm_emit_uninitialised): Delete.
7312 (assemble_variable_noswitch): New function, split out from...
7313 (assemble_variable): ...here. Don't make decisions about common
7314 variables here. Globalize all public decls that go into non-common
7315 sections. Check whether SYMBOL_REF_BLOCK is null.
7316 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7317 (output_constant_pool): Likewise.
7318 (init_varasm_once): Initialize the new section variables.
7319 (have_global_bss_p): New function.
7320 (categorize_decl_for_section): Use bss_initializer_p.
7321 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7322 (place_block_symbol): Assert that the symbol must be in a block.
7323 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7324 (TARGET_INITIALIZER): Include it.
7325 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7326 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7327 (SECTION_MACH_DEP): Bump by two.
7328 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7329 (unnamed_section): Mention SECTION_UNNAMED in comment.
7330 (named_section): Likewise SECTION_NAMED.
7331 (noswitch_section_callback): New type.
7332 (noswitch_section): New structure.
7333 (section): Add a noswitch_section alternative.
7334 (SECTION_STYLE): New macro.
7335 (tls_comm_section, comm_section, lcomm_section): Declare.
7336 (bss_noswitch_section, have_global_bss_p): Declare.
7337 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7338 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7340 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7341 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7344 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7346 * tree-vrp.c (execute_vrp): Return value.
7347 * regrename.c (rest_of_handle_regrename): Ditto.
7348 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7349 * tree-complex.c (tree_lower_complex): Ditto.
7350 (tree_lower_complex_O0): Ditto.
7351 * tracer.c (rest_of_handle_tracer): Ditto.
7352 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7353 * postreload.c (rest_of_handle_postreload): Ditto.
7354 * tree-tailcall.c (execute_tail_recursion): Ditto.
7355 (execute_tail_calls): Ditto.
7356 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7357 * tree.h (init_function_for_compilation): Ditto.
7358 * ipa-cp.c (ipcp_driver): Ditto.
7359 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7360 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7361 * final.c (compute_alignments): Ditto.
7362 (rest_of_handle_final): Ditto.
7363 (rest_of_handle_shorten_branches): Ditto.
7364 (rest_of_clean_state): Ditto.
7365 * omp-low.c (execute_expand_omp): Ditto.
7366 (execute_lower_omp): Ditto.
7367 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7368 * ipa-reference.c (static_execute): Ditto.
7369 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7370 * reorg.c (rest_of_handle_delay_slots): Ditto.
7371 (rest_of_handle_machine_reorg): Ditto.
7372 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7373 * flow.c (recompute_reg_usage): Ditto.
7374 (rest_of_handle_remove_death_notes): Ditto.
7375 (rest_of_handle_life): Ditto.
7376 (rest_of_handle_flow2): Ditto.
7377 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7378 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7379 (do_ssa_store_ccp): Ditto.
7380 (execute_fold_all_builtins): Ditto.
7381 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7382 * modulo-sched.c (rest_of_handle_sms): Ditto.
7383 * ipa-pure-const.c (static_execute): Ditto.
7384 * cse.c (rest_of_handle_cse): Ditto.
7385 (rest_of_handle_cse2): Ditto.
7386 * web.c (rest_of_handle_web): Ditto.
7387 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7388 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7389 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7390 * tree-nrv.c (tree_nrv): Ditto.
7391 (execute_return_slot_opt): Ditto.
7392 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7393 (create_structure_vars): Ditto.
7394 * loop-init.c (rtl_loop_init): Ditto.
7395 (rtl_loop_done): Ditto.
7396 (rtl_move_loop_invariants): Ditto.
7397 (rtl_unswitch): Ditto.
7398 (rtl_unroll_and_peel_loops): Ditto.
7399 (rtl_doloop): Ditto.
7400 * gimple-low.c (lower_function_body): Ditto.
7401 (mark_used_blocks): Ditto.
7402 * tree-ssa-sink.c (execute_sink_code): Ditto.
7403 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7404 (cgraph_early_inlining): Ditto.
7405 * global.c (rest_of_handle_global_alloc): Ditto.
7406 * jump.c (cleanup_barriers): Ditto.
7407 (purge_line_number_notes): Ditto.
7408 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7409 (rest_of_handle_if_after_reload): Ditto.
7410 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7411 (tree_ssa_loop_im): Ditto.
7412 (tree_ssa_loop_unswitch): Ditto.
7413 (tree_vectorize): Ditto.
7414 (tree_linear_transform): Ditto.
7415 (tree_ssa_loop_ivcanon): Ditto.
7416 (tree_ssa_empty_loop): Ditto.
7417 (tree_ssa_loop_bounds): Ditto.
7418 (tree_complete_unroll): Ditto.
7419 (tree_ssa_loop_prefetch): Ditto.
7420 (tree_ssa_loop_ivopts): Ditto.
7421 (tree_ssa_loop_done): Ditto.
7422 * predict.c (tree_estimate_probability): Ditto.
7423 * recog.c (split_all_insns_noflow): Ditto.
7424 (rest_of_handle_peephole2): Ditto.
7425 (rest_of_handle_split_all_insns): Ditto.
7426 * tree-eh.c (lower_eh_constructs): Ditto.
7427 * regmove.c (rest_of_handle_regmove): Ditto.
7428 (rest_of_handle_stack_adjustments): Ditto.
7429 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7430 * function.c (instantiate_virtual_regs): Ditto.
7431 (init_function_for_compilation): Ditto.
7432 (rest_of_handle_check_leaf_regs): Ditto.
7433 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7434 (rest_of_handle_gcse): Ditto.
7435 * ipa-type-escape.c (type_escape_execute): Ditto.
7436 * alias.c (rest_of_handle_cfg): Ditto.
7437 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7438 * profile.c (rest_of_handle_branch_prob): Ditto.
7439 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7440 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7441 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7442 * tree-dfa.c (find_referenced_vars): Ditto.
7443 * except.c (set_nothrow_function_flags): Ditto.
7444 (convert_to_eh_region_ranges): Ditto.
7445 (rest_of_handle_eh): Ditto.
7446 * emit-rtl.c (unshare_all_rtl): Ditto.
7447 (remove_unnecessary_notes): Ditto.
7448 * except.h (set_nothrow_function_flags): Ditto.
7449 (convert_to_eh_region_ranges): Ditto.
7450 * cfgexpand.c (tree_expand_cfg): Ditto.
7451 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7452 * tree-ssa-pre.c (do_pre): Ditto.
7453 (execute_fre): Ditto.
7454 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7455 (rest_of_handle_jump2): Ditto.
7456 * tree-sra.c (tree_sra): Ditto.
7457 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7458 (execute_mudflap_function_decls): Ditto.
7459 * tree-ssa-copy.c (do_copy_prop): Ditto.
7460 (do_store_copy_prop): Ditto.
7461 * ipa-prop.h (ipcp_driver): Ditto.
7462 * cfglayout.c (insn_locators_initialize): Ditto.
7463 * tree-ssa-forwprop.c
7464 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7465 * cfglayout.h (insn_locators_initialize): Ditto.
7466 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7467 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7468 (execute_late_warn_uninitialized): Ditto.
7469 * rtl.h (cleanup_barriers): Ditto.
7470 (split_all_insns_noflow): Ditto.
7471 (purge_line_number_notes): Ditto.
7472 (unshare_all_rtl): Ditto.
7473 (remove_unnecessary_notes): Ditto.
7474 (recompute_reg_usage): Ditto.
7475 (variable_tracking_main): Ditto.
7476 * integrate.c (emit_initial_value_sets): Ditto.
7477 * integrate.h (emit_initial_value_sets): Ditto.
7478 * tree-optimize.c (execute_free_datastructures): Ditto
7479 (execute_free_cfg_annotations): Ditto.
7480 (execute_fixup_cfg): Ditto.
7481 (execute_cleanup_cfg_pre_ipa): Ditto.
7482 (execute_cleanup_cfg_post_optimizing): Ditto.
7483 (execute_init_datastructures): Ditto.
7484 * tree-object-size.c (compute_object_sizes): Ditto.
7485 * combine.c (rest_of_handle_combine): Ditto.
7486 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7487 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7488 (rest_of_handle_reorder_blocks): Ditto.
7489 (rest_of_handle_partition_blocks): Ditto.
7490 * var-tracking.c (variable_tracking_main): Ditto.
7491 * tree-profile.c (tree_profiling): Ditto.
7492 * tree-vect-generic.c (expand_vector_operations): Ditto.
7493 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7494 * sched-rgn.c (rest_of_handle_sched): Ditto.
7495 (rest_of_handle_sched2): Ditto.
7496 * basic-block.h (free_bb_insn): Ditto.
7497 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7498 * tree-cfg.c (execute_build_cfg): Ditto.
7499 (remove_useless_stmts): Ditto.
7500 (split_critical_edges): Ditto.
7501 (execute_warn_function_return): Ditto.
7502 (execute_warn_function_noreturn): Ditto.
7503 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7504 * cfgrtl.c (free_bb_for_insn): Ditto.
7505 * passes.c (execute_one_pass): Run additional
7506 todos returned by execute function.
7507 * tree-pass.h (struct tree_opt_pass): Make execute
7510 2006-03-02 Richard Guenther <rguenther@suse.de>
7512 * tree-ssa-alias.c (find_used_portions): Consider taking
7513 the address as making the variable not write-only.
7515 2006-03-02 Nick Clifton <nickc@redhat.com>
7517 * config.gcc (default_use_cxa_atexit): Extend the description of
7518 this configure variable. Set its default value to "yes" for
7519 Linux, NetBSD and ELF targets on the assumption that they will
7520 use C libraries with the __cxa_atexit function.
7522 2006-03-02 Ben Elliston <bje@au.ibm.com>
7524 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7525 parameter as unused to suppress a build warning.
7527 2006-03-02 Ben Elliston <bje@au.ibm.com>
7529 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7532 2006-03-01 Roger Sayle <roger@eyesopen.com>
7535 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7536 declared name, the weak reference name, and the typeof name.
7537 (__gthrw): Avoid expanding the declared name suffix.
7538 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7540 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7542 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7544 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7545 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7546 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7547 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7548 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7549 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7550 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7551 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7552 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7553 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7554 (DW_END_default, DW_END_big, DW_END_little): New.
7555 (DW_END_lo_user, DW_END_hi_user): Define.
7556 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7557 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7558 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7561 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7563 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7565 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7567 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7569 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7571 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7572 to 'symbol_mem_tag'.
7574 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7577 2006-03-01 Roger Sayle <roger@eyesopen.com>
7579 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7581 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7584 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7585 MACHO_DYNAMIC_NO_PIC_P.
7586 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7588 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7591 * config/darwin-protos.h (darwin_asm_output_anchor):
7593 * config/darwin-sections.def (cstring_section):
7594 Add SECTION_MERGE to the flags.
7595 (literal4_section): Likewise.
7596 (literal8_section): Likewise.
7597 (objc_selector_refs_section): Likewise.
7598 (objc_cls_refs_section): Likewise.
7599 * config/darwin.c (darwin_asm_output_anchor): New
7601 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7603 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7605 Fix PR tree-optimization/26443
7606 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7607 to todo and PROP_tmt_usage to properties_destroyed.
7608 * tree-ssa-ccp.c (pass_ccp): Ditto.
7609 (pass_store_ccp): Ditto.
7610 * tree-ssa-dom.c (pass_dominator): Ditto.
7612 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7614 * tree-ssa-operands.c: Cleanup whitespace.
7615 (get_asm_expr_operands): Move before first invocation.
7616 (get_indirect_ref_operands): Likewise.
7617 (get_tmr_operands): Likewise.
7618 (get_call_expr_operands): Likewise.
7619 (append_def): Likewise.
7620 (append_use): Likewise.
7621 (append_v_may_def): Likewise.
7622 (append_v_must_def): Likewise.
7623 (add_call_clobber_ops): Likewise.
7624 (add_call_read_ops): Likewise.
7625 (add_stmt_operand): Likewise.
7626 (add_virtual_operand): Likewise.
7627 (build_ssa_operands): Likewise.
7629 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7634 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7635 with a call expr to ...
7636 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7638 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7640 * tree-vrp.c (extract_range_from_assert): Remove special
7641 handling for types with super-types.
7643 2006-03-01 Ben Elliston <bje@au.ibm.com>
7645 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7646 and powerpc64-*-linux* configurations.
7647 * config/t-dfprules: New file.
7649 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7650 Compile dfp-bit.c from the source directory using -DWIDTH and
7651 $DFP_CFLAGS to control the compilation of that file, rather than
7652 generating width-specific versions in the build directory.
7653 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7654 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7656 2006-02-28 Zack Weinberg <zackw@panix.com>
7658 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7661 2006-02-28 Eric Christopher <echristo@apple.com>
7663 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7664 Set up IN_LIBGCC definition of TARGET_64BIT.
7665 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7667 2006-02-28 Roger Sayle <roger@eyesopen.com>
7670 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7671 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7672 cases via the construction of "expr != 0".
7674 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7676 * alias.c (alias_invariant, alias_invariant_size): Remove.
7677 (record_base_value): Remove.
7678 (memrefs_conflict_p): Don't look at alias_invariant.
7679 (end_alias_analysis): Don't free it.
7680 * alias.h (record_base_value): Remove prototype.
7682 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7683 Adam Nemet <anemet@caviumnetworks.com>
7685 * rtl.h (truncated_to_mode): Declare it.
7686 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7687 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7688 (RTL_HOOKS_INITIALIZER): Include it.
7689 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7690 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7691 reg_truncated_to_mode.
7692 * rtlanal.c (truncated_to_mode): Define it.
7693 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7695 2006-02-28 Jeff Law <law@redhat.com>
7697 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7698 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7699 the range allowed by TYPE_PRECISION.
7701 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7703 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7705 PR tree-optimization/26419
7706 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7709 2006-02-27 Zack Weinberg <zackw@panix.com>
7711 * doc/md.texi: Fix typo in previous change.
7713 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7717 2006-02-27 Zack Weinberg <zackw@panix.com>
7719 * rtl.def (define_constraint, define_register_constraint)
7720 (define_memory_constraint, define_address_constraint): New MD forms.
7721 * gensupport.c (process_rtx): Put define_constraint etc on the
7723 * genpreds.c (process_define_predicate): Adjust comment. Validate
7724 the name, and call validate_exp to validate the expression.
7725 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7726 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7727 all callers changed.
7728 (validate_exp, needs_variable, struct constraint_data)
7729 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7730 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7731 (const_dbl_constraints, constraint_max_namelen)
7732 (have_register_constraints, have_memory_constraints)
7733 (have_address_constraints, have_address_constraints)
7734 (have_extra_constraints, have_const_int_constraints)
7735 (have_const_dbl_constraints, mangle, add_constraint)
7736 (process_define_constraint, process_define_register_constraint)
7737 (write_enum_constraint_num, write_lookup_constraint)
7738 (write_insn_constraint_len, write_regclass_for_constraint)
7739 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7740 (write_insn_extra_memory_constraint)
7741 (write_insn_extra_address_constraint)
7742 (write_satisfies_constraint_fns): New.
7743 (write_tm_preds_h): If we have new-style constraint definitions,
7744 prototype the functions generated from them, and define the
7745 old constraint interface (still used by generic code) in terms of
7747 (write_insn_preds_c): If we have new-style constraint definitions,
7748 generate all relevant functions from those definitions.
7749 (main): Handle define_constraint etc.
7750 * genoutput.c (struct constraint_data, indep_constraints)
7751 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7752 (mdep_constraint_len): New data structures and functions, defined
7753 #ifdef USE_MD_CONSTRAINTS.
7754 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7755 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7756 use new logic to validate operand constraints against constraint
7758 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7760 * defaults.h: If none of the old-style constraint macros are
7761 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7762 old-style macros; and poison REG_CLASS_FROM_LETTER,
7763 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7765 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7766 * doc/md.texi: Document new constraint-definition mechanism and the
7767 C interface it provides. Remove references to old mechanism
7768 elsewhere in the document.
7769 (Machine Constraints): Use pathnames relative to gcc directory,
7770 i.e. config/ARCH/FILE. Change i386 section to refer to
7771 config/i386/predicates.md; update that section to match docstrings.
7772 * doc/tm.texi: Move all documentation of the old constraint-
7773 definition macros to their own section, clearly mark as obsolete.
7775 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7776 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7778 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7779 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7780 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7782 (splits and peepholes): Use satisfies_constraint_*.
7783 * config/i386/i386.c (memory_address_length)
7784 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7786 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7788 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7789 scalar operation to be put back into the loop.
7791 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7794 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7795 (extract_cie_info): Handle S flag in augmentation string.
7796 (execute_cfa_program): If context->signal_frame, execute also
7797 fs->pc == context->ra instructions.
7798 (uw_frame_state_for): If context->signal_frame, don't subtract one
7799 from context->ra to find FDE.
7800 (uw_update_context_1): Set context->signal_frame to
7802 (_Unwind_GetIPInfo): New function.
7803 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7804 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7806 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7807 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7808 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7809 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7810 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7811 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7812 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7813 x86_64_fallback_frame_state): Set fs->signal_frame.
7814 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7815 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7816 (frob_update_context): Likewise. Workaround missing S flag in
7817 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7818 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7819 Remove the psw_addr + 1 hack.
7821 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7823 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7824 with aggregates here.
7825 (find_func_aliases): Remove code for &<aggregate> from here.
7827 2006-02-26 Roger Sayle <roger@eyesopen.com>
7829 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7830 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7831 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7834 2006-02-26 Roger Sayle <roger@eyesopen.com>
7837 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7839 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7841 * opts.c (decode_options): Do not handle flag_strength_reduce.
7842 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7843 and OPT_fstrength_reduce.
7844 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7845 flag_prefetch_loop_arrays for being nonzero.
7846 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7848 (fprefetch-loop-arrays-rtl): Removed.
7849 (flag_prefetch_loop_arrays): Do not specify the value.
7851 * doc/passes.texi: Update documentation of loop optimizer
7853 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7854 -frerun-loop-opt): Remove.
7856 2006-02-26 Richard Guenther <rguenther@suse.de>
7858 PR tree-optimization/26421
7859 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7860 in function calls that are ADDR_EXPRs as using the whole structure.
7862 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7864 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7865 * tree-pass.h (pass_loop_optimize): Remove.
7866 * passes.c (pass_loop_optimize): Never run it.
7867 * toplev.c (backend_init): Don't call init_loop.
7868 * opts.c (flag_loop_optimize_set): Remove.
7869 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7870 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7871 the old RTL loop optimizer when profiling enabled.
7872 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7873 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7874 pre-headers for the sake of the old RTL loop optimizer.
7875 * Makefile.in: Remove all references to loop.o.
7877 * doc/invoke.texi: Remove all references to -floop-optimize
7878 and -frerun-loop-opt.
7880 2006-02-26 Zack Weinberg <zackw@panix.com>
7882 * doc/md.texi (Machine Constraints): Refer to all files with paths
7883 relative to gcc directory (i.e. config/CPU/file). Add missing
7884 @table @code ... @end table to M32C subsection.
7886 2006-02-26 Roger Sayle <roger@eyesopen.com>
7888 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7890 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7892 2006-02-26 Roger Sayle <roger@eyesopen.com>
7893 James A. Morrison <phython@gcc.gnu.org>
7896 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7897 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7898 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7899 signedness of the shift operation.
7901 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7903 PR tree-optimization/26359
7904 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7906 2006-02-25 Roger Sayle <roger@eyesopen.com>
7908 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7909 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7910 as X == 0, and some symmetry related transformations.
7911 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7913 2006-02-25 Roger Sayle <roger@eyesopen.com>
7916 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7917 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7918 symmetry related transformations. Fold (X^C1) == C2 as
7921 2006-02-25 Juergen Weigert <jw@suse.de>
7922 Richard Guenther <rguenther@suse.de>
7924 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7926 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7928 * combine.c (gen_lowpart_or_truncate): Call
7929 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7931 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7933 * doc/invoke.texi: Move -fopenmp description to "Options for
7935 Remove reference to -lgomp.
7937 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7939 * doc/install.texi: Require GNU tar version 1.14.
7941 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7943 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7944 * doc/invoke.texi (C++ Dialect Options): Document
7945 -fno-use-cxa-get-exception-ptr.
7946 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7947 * configure: Regenerate.
7948 * c.opt (fuse-cxa-get-exception-ptr): New.
7949 * c-opts.c (c_common_handle_option): Handle
7950 OPT_fuse_cxa_get_exception_ptr.
7951 * c-common.c (flag_use_cxa_atexit): Update documentation.
7952 (flag_use_cxa_get_exception_ptr): New.
7953 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7954 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7956 (C_COMMON_OVERRIDE_OPTIONS): New.
7958 2006-02-24 Roger Sayle <roger@eyesopen.com>
7961 * combine.c (try_combine): Explicitly check whether GET_CODE is
7962 a SET or a CLOBBER, instead on checking that it isn't a USE.
7964 2006-02-24 Roger Sayle <roger@eyesopen.com>
7966 * fold-const.c (fold_comparison): New subroutine of fold_binary
7967 containing transformations common to both the equality and
7968 ordering relational operators, factored out of fold_binary.
7969 (fold_binary): Separate out the equality operators (EQ_EXPR
7970 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7971 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7972 transformations common to both.
7973 (fold_div_compare): Fix latent bugs in the previously unreachable
7974 LT_EXPR and GE_EXPR cases.
7976 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7978 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7979 decl libname for clog to __clog on AIX.
7981 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7983 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7986 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7987 output traceback table for thunks. Localise rs6000_stack_info call.
7989 2006-02-23 Roger Sayle <roger@eyesopen.com>
7990 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7992 * gthr-posix.h (__gthrw): Fix typo in comment.
7994 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7996 * doc/cpp.texi (Character sets): Document that we do support
7997 input files to be in any character set.
7999 2006-02-23 Jeff Law <law@redhat.com>
8001 * tree.h (PHI_ARG_NONZERO): Remove.
8002 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8003 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8004 node to the new node.
8006 PR tree-optimization/26425
8007 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8008 min/max, then assume its varying.
8010 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8012 PR rtl-optimization/26316
8013 * rtlanal.c (enum may_trap_p_flags): New.
8014 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8015 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8016 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8017 (may_trap_after_code_motion_p): New function.
8018 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8019 (find_invariant_insn): Use may_trap_after_code_motion_p.
8020 * rtl.h (may_trap_after_code_motion_p): Declare.
8022 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8024 * emit-rtl.c (immed_double_const): Cleanup.
8026 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8028 Fix PR tree-optimization/26376
8029 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8032 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8035 * gimplify.c (omp_add_variable): Guard variable size decl test with
8036 DECL_SIZE (decl) check.
8038 2006-02-23 Richard Guenther <rguenther@suse.de>
8041 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8042 like aggregate types.
8044 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8046 * configure.ac: Add --with{,out}-long-double-128 configure option.
8047 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8048 * configure: Rebuilt.
8049 * config.in: Rebuilt.
8050 * doc/install.texi (Options specification): Document
8051 --with-long-double-128.
8053 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8054 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8055 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8056 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8058 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8060 * config/s390/s390.c (override_options): Handle
8061 TARGET_DEFAULT_LONG_DOUBLE_128.
8063 * config/alpha/alpha.c (override_options): Handle
8064 TARGET_DEFAULT_LONG_DOUBLE_128.
8066 * config/sparc/sparc.c (sparc_override_options): Handle
8067 TARGET_DEFAULT_LONG_DOUBLE_128.
8069 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8071 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8072 (real-install-headers-tar, real-install-headers-cpio)
8073 (real-install-headers-cp): New targets.
8075 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8077 * tree.h (variable_section): Delete.
8078 * varasm.c (variable_section): Delete.
8080 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8082 * install.texi: Add notes on install.texi2html.
8083 (Building in parallel): Do not use footnotes.
8085 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8088 * doc/install.texi (Configuration): Document --disable-libgomp.
8090 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8092 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8094 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8096 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8097 (vec_extractv2df_0_sse): New.
8099 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8101 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8102 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8103 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8104 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8105 to the result of the expression.
8106 (def_cfa_1): Adjust.
8107 (frame_pointer_cfa_offset): Rename to...
8108 (frame_pointer_fb_offset): ... this. Adjust all uses.
8109 (convert_cfa_to_loc_list): Rename to...
8110 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8111 Pass it on to build_cfa_loc.
8112 (compute_frame_pointer_to_cfa_displacement): Rename to...
8113 (compute_frame_pointer_to_fb_displacement): ... this. New
8114 offset parameter. Use it in computation.
8115 (gen_subprogram_die): Compute cfa_fb_offset with the new
8116 macro, and use it to compute the fb loc list and the
8119 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8121 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8122 replaced with register_operand.
8123 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8124 non-DREG is expensive.
8125 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8126 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8129 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8131 * doc/install.texi2html: Use set -e.
8133 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8135 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8136 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8137 * doc/invoke.texi (-fshared-data): Delete.
8138 * common.opt (fshared-data): Delete.
8139 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8140 (assemble_static_space): Remove #if 0 code.
8141 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8142 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8143 * config/cris/cris.h: Remove FIXME.
8145 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8147 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8150 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8153 * combine.c (simplify_shift_const_1): Disable nested shifts
8154 optimization for vector shifts.
8156 2006-02-20 Roger Sayle <roger@eyesopen.com>
8158 PR tree-optimization/26361
8159 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8160 of unsigned integer types.
8162 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8164 * tree-chrec.c (eq_evolutions_p): New.
8165 * tree-chrec.h (eq_evolutions_p): Declared.
8166 * tree-data-ref.c: Fix formatting.
8167 (datadep_stats, dependence_stats): New.
8169 (print_direction_vector): New.
8170 (dump_data_dependence_relation): Use print_direction_vector.
8171 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8172 (compute_subscript_distance): Static.
8173 (initialize_data_dependence_relation): Static. Get the number
8174 of loops surrounding the references from the callers, and initialize
8175 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8176 base_object_differ_p analyzers.
8177 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8178 compute_overlap_steps_for_affine_1_2,
8179 analyze_subscript_affine_affine): Count the classified dependences.
8180 Print a message when a test failed.
8181 (can_use_analyze_subscript_affine_affine): New.
8182 (analyze_siv_subscript): Compute the data dependences on symbolic
8183 scevs that verify can_use_analyze_subscript_affine_affine.
8184 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8185 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8186 Handle symbolic scevs.
8187 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8189 (subscript_dependence_tester): Moved...
8190 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8191 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8192 DDR_SIZE_VECT instead of getting it in parameter.
8193 (subscript_dependence_tester): ... here. Take as a parameter
8194 loop_nest_depth. Call build_classic_dist_vector and
8195 build_classic_dir_vector.
8196 (compute_affine_dependence): Update subscript_dependence_tester
8197 parameters. Update datadep_stats counters. Call
8198 compute_subscript_distance.
8199 (compute_self_dependence): Save the dist and dir vectors. Call
8200 compute_subscript_distance.
8201 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8202 (compute_all_dependences): Reorder parameters as they were before
8203 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8204 compute_subscript_distance. Update the use of
8205 compute_affine_dependence and initialize_data_dependence_relation.
8206 (find_data_references_in_loop): Handle COMPONENT_REF.
8207 (compute_data_dependences_for_loop): Initialize dependence_stats.
8208 Don't call build_classic_dist_vector and build_classic_dir_vector.
8209 Update the parameters of initialize_data_dependence_relation and
8210 compute_all_dependences. Print the statistics from datadep_stats.
8211 (analyze_all_data_dependences): Static. Not used until the pass for
8212 checking the data dependences is contributed.
8213 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8214 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8215 (initialize_data_dependence_relation, compute_affine_dependence,
8216 analyze_all_data_dependences, compute_subscript_distance): Removed.
8217 (print_direction_vector): New.
8218 * lambda.h (gcd): ... here.
8219 (lambda_vector_gcd): Moved here from gcd_vector.
8220 * lambda-code.c (gcd, gcd_vector): Removed.
8221 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8222 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8224 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8226 * ipa-type-escape.c: Tidy some comments and white space.
8227 * tree-ssa-operands.c: Likewise.
8229 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8232 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8233 (dump_decl_name): Do not walk the decl tree chains.
8234 * tree-pass.h (TDF_CHAIN): Remove.
8236 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8238 * Makefile.in (C): Remove
8240 (.PHONY): Remove C and PROTO
8242 2006-02-20 Roger Sayle <roger@eyesopen.com>
8245 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8246 deprecated CHAR_TYPE tree code.
8248 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8250 * configure.ac (target_list): Add install-info, dvi, html.
8251 * configure: Regenerate.
8253 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8254 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8255 treelang/Make-lang.in: Do not use double-colon rules.
8257 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8259 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8260 (TMT_USED_ALONE): New macro.
8261 * tree-pass.h (PROP_tmt_usage): New property.
8262 (TODO_update_tmt_usage): New todo.
8263 * tree-ssa-alias.c (updating_used_alone): New variable.
8264 (recalculate_used_alone): New function.
8265 (compute_may_aliases): Set updating_used_alone, call
8266 recalculate_used_alone.
8267 * tree-sra.c (pass_sra): Note that this pass destroys
8268 PROP_tmt_usage, and add TODO_update_tmt_usage.
8269 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8270 * tree-flow.h (updating_used_alone): Prototype.
8271 (recalculate_used_alone): Ditto.
8272 * passes.c (execute_todo): Add code to set updating_used_alone,
8273 and call recalculate.
8274 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8275 for clobber if used alone, and add assert to verify used_alone
8278 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8280 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8281 for non tls symbols added.
8282 (legitimize_address): Do nothing for PLUS expressions if one of the
8283 addends is a tls symbol reference.
8285 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8289 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8291 * Makefile.in (BOOTSTRAPPING): New.
8292 (quickstrap): New definition if BOOTSTRAPPING=yes.
8294 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8295 * configure.ac: Substitute all_selected_languages with the languages
8296 that were configured. For all the other variables except
8297 lang_specs_files, include all the languages in the tree.
8298 * configure: Regenerate.
8300 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8301 if there is one. Run the commands to run fixincludes in the same
8304 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8305 * doc/install.texi: Document exact conventions for searching target tools.
8306 Document --with-build-time-tools. Document toplevel bootstrap. Document
8307 something more about building an Ada cross-compiler. Don't list GNU Make
8308 requirements which affect all platforms.
8310 2006-02-19 Roger Sayle <roger@eyesopen.com>
8313 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8314 only equivalent if the have both the same mode and precision.
8316 2006-02-20 Ben Elliston <bje@au.ibm.com>
8318 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8320 2006-02-19 Roger Sayle <roger@eyesopen.com>
8321 Steven Bosscher <stevenb.gcc@gmail.com>
8323 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8324 constant pool references to identify stack mode constants.
8325 * rtlanal.c (constant_pool_constant_p): New predicate to check
8326 whether operand is a floating point constant in the pool.
8327 * rtl.h (constant_pool_constant_p): Prototype here.
8328 * loop.c (scan_loop): Avoid hoisting constants from the constant
8329 pool on STACK_REGS targets.
8330 (load_mems): Likewise.
8331 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8332 loads into x87 registers expensive in terms of register pressure.
8334 2006-02-19 Roger Sayle <roger@eyesopen.com>
8336 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8337 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8339 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8341 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8342 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8344 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8346 * doc/invoke.texi: Document -fipa-pta.
8347 * common.opt: Add ipa-pta option.
8348 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8349 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8350 (do_ds_constraint): Ditto.
8351 (get_constraint_for): Only add to referenced_vars if
8352 referenced_vars exists.
8353 (insert_into_field_list): Rewrite to do this unsorted.
8354 (insert_into_field_list_sorted): Rename old insert_into_field_list
8356 (create_function_info_for): Use insert_into_field_list_sorted.
8357 (create_variable_info_for): Rewrite so it uses unsorted version,
8358 since the field list is sorted.
8359 (intra_create_variable_infos): Only add to referenced_vars if
8360 referenced_vars exists.
8361 (ipa_pta_execute): Init heapvars, and delete when done.
8362 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8364 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8366 * doc/install.texi: Add missing `@samp'.
8368 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8370 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8373 2006-02-18 Mark Wielaard <mark@klomp.org>
8375 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8376 who added new 4.1 features, bug fixes and integration support.
8378 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8381 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8384 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8386 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8387 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8388 (copy_insn_1): Likewise. Don't copy each field individually.
8390 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8392 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8393 * rtl.c (rtx_size): Rename variable to...
8394 (rtx_code_size): ...this.
8395 (rtx_size): New function.
8396 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8397 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8399 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8400 * rtl.h (rtx_code_size): New variable.
8401 (rtx_size): Change from a variable to a function.
8402 (RTX_SIZE): Rename to...
8403 (RTX_CODE_SIZE): ...this.
8406 PR tree-optimization/17106
8407 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8408 (Anchored Addresses): New section.
8409 * doc/invoke.texi (-fsection-anchors): Document.
8410 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8411 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8412 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8413 * hooks.c (hook_bool_mode_rtx_false): New function.
8414 * hooks.h (hook_bool_mode_rtx_false): Declare.
8415 * gengtype.c (create_optional_field): New function.
8416 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8417 SYMBOL_REF_IN_BLOCK_P is true.
8418 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8419 (min_anchor_offset, max_anchor_offset): Likewise.
8420 (use_anchors_for_symbol_p): New hook.
8421 * toplev.c (compile_file): Call output_object_blocks.
8422 (target_supports_section_anchors_p): New function.
8423 (process_options): Check that -fsection-anchors is only used on
8424 targets that support it and when -funit-at-a-time is in effect.
8425 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8426 if the decl doesn't have one.
8427 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8428 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8429 of force_const_mem through use_anchored_address.
8430 (expand_expr_constant): New function.
8431 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8432 calling expand_expr for INDIRECT_REF.
8433 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8434 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8435 * expr.h (use_anchored_address): Declare.
8436 * loop-unroll.c: Don't declare rtx vectors here.
8437 * explow.c: Include output.h.
8438 (validize_mem): Call use_anchored_address.
8439 (use_anchored_address): New function.
8440 * common.opt (-fsection-anchors): New switch.
8441 * varasm.c (object_block_htab, anchor_labelno): New variables.
8442 (hash_section, object_block_entry_eq, object_block_entry_hash)
8443 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8444 (use_blocks_for_decl_p, change_symbol_section): New functions.
8445 (get_variable_section): New function, split out from assemble_variable.
8446 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8447 use_blocks_for_decl_p say so. Use change_symbol_section if the
8448 symbol has already been created.
8449 (assemble_variable_contents): New function, split out from...
8450 (assemble_variable): ...here. Don't output any code for
8451 block symbols; just pass them to place_block_symbol.
8452 Use get_variable_section and assemble_variable_contents.
8453 (get_constant_alignment, get_constant_section, get_constant_size): New
8454 functions, split from output_constant_def_contents.
8455 (build_constant_desc): Create a block symbol if use_object_blocks_p
8456 says so. Or into SYMBOL_REF_FLAGS.
8457 (assemble_constant_contents): New function, split from...
8458 (output_constant_def_contents): ...here. Don't output any code
8459 for block symbols; just pass them to place_section_symbol.
8460 Use get_constant_section and get_constant_alignment.
8461 (force_const_mem): Create a block symbol if use_object_blocks_p and
8462 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8463 (output_constant_pool_1): Add an explicit alignment argument.
8464 Don't switch sections here.
8465 (output_constant_pool): Adjust call to output_constant_pool_1.
8466 Switch sections here instead. Don't output anything for block symbols;
8467 just pass them to place_block_symbol.
8468 (init_varasm_once): Initialize object_block_htab.
8469 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8470 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8471 (place_block_symbol, get_section_anchor, output_object_block)
8472 (output_object_block_htab, output_object_blocks): New functions.
8473 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8474 (TARGET_ASM_OUT): Include it.
8475 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8476 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8477 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8478 (TARGET_INITIALIZER): Include them.
8479 * rtl.c (rtl_check_failed_block_symbol): New function.
8480 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8481 (block_symbol, object_block): New structures.
8482 (rtx_def): Add a block_symbol field to the union.
8483 (BLOCK_SYMBOL_CHECK): New macro.
8484 (rtl_check_failed_block_symbol): Declare.
8485 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8486 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8487 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8488 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8489 * output.h (output_section_symbols): Declare.
8490 (object_block): Name structure.
8491 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8492 (default_use_anchors_for_symbol_p): Declare.
8493 * Makefile.in (RTL_BASE_H): Add vec.h.
8494 (explow.o): Depend on output.h.
8495 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8496 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8497 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8498 (rs6000_use_blocks_for_constant_p): New function.
8500 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8502 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8504 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8507 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8510 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8512 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8516 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8519 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8520 instead of DECL_REGISTER.
8522 2006-02-18 Olivier Hainque <hainque@adacore.com>
8525 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8527 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8530 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8531 * opth-gen.awk: Handle Var and InverseMask together.
8532 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8533 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8534 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8535 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8537 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8538 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8539 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8540 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8541 LINUX_DYNAMIC_LINKER): Define.
8542 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8543 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8545 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8546 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8547 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8548 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8549 (TARGET_C99_FUNCTIONS): Don't define.
8550 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8551 GLIBC_DYNAMIC_LINKER.
8552 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8553 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8554 GLIBC_DYNAMIC_LINKER64): Define.
8555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8556 LINUX_DYNAMIC_LINKER64.
8557 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8559 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8561 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8563 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8564 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8565 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8567 and LINUX_DYNAMIC_LINKER32.
8568 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8570 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8572 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8574 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8575 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8576 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8577 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8578 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8579 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8580 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8581 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8582 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8583 LINUX_DYNAMIC_LINKER): Define.
8584 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8585 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8586 GLIBC_DYNAMIC_LINKER64): Define.
8587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8588 LINUX_DYNAMIC_LINKER64.
8589 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8590 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8591 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8592 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8593 LINUX_DYNAMIC_LINKER): Define.
8594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8595 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8596 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8597 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8598 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8599 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8600 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8601 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8602 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8603 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8605 * doc/invoke.texi (-muclibc): Remove caveat about supported
8608 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8610 * doc/cpp.texi (__TIMESTAMP__): Document.
8612 2006-02-17 Roger Sayle <roger@eyesopen.com>
8615 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8616 C is one less than the width of X (and related transformations).
8617 * simplify-rtx.c (simplify_unary_operation_1): Transform
8618 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8619 depending on STORE_FLAG_VALUE, were C is one less then the
8622 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8624 Fix PR tree-optimization/26341
8625 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8626 about NAME_MEMORY_TAG's.
8628 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8631 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8632 with hardware float support, and software float support. Add fcpy
8633 alternative to hardware patterns. Add alternatives to copy between
8634 general and floating-point registers to the 32-bit pattern.
8635 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8636 secondary reload to load a QI or HI mode constant into a floating
8638 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8639 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8641 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8644 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8646 (load_macho_picbase_di): Likewise.
8648 2006-02-16 Jeff Law <law@redhat.com>
8650 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8651 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8652 (ssa_name_nonzero_p): Likewise.
8653 (get_value_range): Return NULL if VRP is not running.
8654 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8655 VRP routines do not discover a range.
8656 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8657 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8658 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8659 (tree_expr_nonnegative_p): Similarly.
8660 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8661 (restore_nonzero_vars_to_original_value): Remove.
8662 (unsafe_associative_fp_binop): Remove.
8663 (tree_ssa_dominator_optimize): Remove initialization and
8664 finalization of nonzero_vars and nonzero_vars_stack.
8665 (dom_opt_initialize_block): No longer push marker on
8667 (dom_opt_finalize_block): No longer call
8668 restore_nonzero_vars_to_original_value.
8669 (record_equivalences_from_phis): No longer look for
8670 nonzero PHI arguments.
8671 (cprop_into_successor_phis): No longer propagate nonzero
8672 property into PHI arguments. Lose unused argument. Caller
8674 (record_equivalences_from_stmt): No longer record nonzero
8675 values for SSA_NAMEs.
8676 (lookup_avail_expr): No longer use nonzero_vars.
8678 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8679 for sizetype when sizetype is unsigned.
8681 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8683 PR rtl-optimization/25603
8684 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8685 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8686 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8687 with new meaning of SETS.
8689 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8694 * config/linux.opt: New file.
8695 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8696 LINUX_DYNAMIC_LINKER): Define.
8697 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8698 * config.gcc (*-*-linux*): Define extra_options.
8699 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8700 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8701 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8702 GLIBC_DYNAMIC_LINKER.
8703 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8704 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8705 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8706 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8707 * doc/invoke.texi (GNU/Linux Options): New section.
8709 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8711 * config/sparc/sparc.md (setjmp): Rewrite.
8712 (setjmp_32): Delete.
8713 (setjmp_64): Likewise.
8715 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8717 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8720 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8722 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8725 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8727 PR rtl-optimization/26296
8728 * Makefile.in (loop-invariant.c): Add except.h dependency.
8729 * loop-invariant.c: Include except.h.
8730 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8732 2005-02-16 Paul Brook <paul@codesourcery.com>
8734 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8737 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8739 PR rtl-optimization/25636
8740 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8741 when deciding whether an insn is an initializing insn.
8743 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8745 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8746 (tree_code_size): Ditto.
8747 * tree.h (struct tree_memory_tag): Remove parent_var.
8748 (struct tree_struct_field_tag): New.
8751 (union tree_node): Add sft member.
8752 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8754 (create_sft): Add size and offset argument, set SFT_OFFSET and
8756 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8757 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8758 * tree-flow-inline.h (get_subvar_at): Update for
8759 SFT_OFFSET/SFT_SIZE.
8760 (var_can_have_subvars): Ditto.
8761 (overlap_subvar): Ditto.
8762 * print-tree.c (print_node): Print out interesting things for
8764 * tree-flow.h (struct subvar): Remove offset and size members.
8765 * tree-ssa-operands.c (get_expr_operands): Update for
8766 get_indirect_ref_operands changes.
8767 (get_indirect_ref_operands): Call add_virtual_operand instead of
8768 add_stmt_operand. Only recurse on base var if requested.
8769 (access_can_touch_variable): New function.
8770 (add_stmt_operand): Split virtual operand handling into ...
8771 (add_virtual_operand): Here. Add offset, size, and for_clobber
8772 arguments. Prune alias sets.
8773 (add_call_clobber_ops): Call add_virtual_operand.
8775 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8778 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8780 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8781 than TREE_CODE as index into omp_clause_num_ops array.
8783 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8785 PR rtl-optimization/26184
8786 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8788 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8789 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8790 must_precede, must_follow and tobe_scheduled.
8793 * opts.c (common_handle_option): Free new_option pointer.
8794 * df-core.c (df_analyze): Free postorder pointer.
8796 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8798 * Makefile.in: Fix the examples about the use of stamps
8800 2006-02-15 Michael Matz <matz@suse.de>
8804 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8805 influenced by maximum_field_alignment or DECL_PACKED.
8806 (update_alignment_for_field): Ditto.
8807 (place_field): Ditto.
8808 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8811 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8813 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8814 (debug_flow_info): Pass it.
8815 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8816 * bb-reorder.c (reorder_basic_blocks): Likewise.
8817 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8818 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8819 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8820 * gcse.c (gcse_main, bypass_jumps): Likewise.
8821 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8822 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8823 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8824 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8825 * rtl.h (dump_flow_info): Adjust prototype.
8826 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8827 * var-tracking.c (variable_tracking_main): Likewise.
8828 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8829 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8832 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8834 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8837 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8839 PR tree-optimization/26209
8840 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8841 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8843 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8845 2006-02-14 Roger Sayle <roger@eyesopen.com>
8848 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8849 (X,Y) and the corresponding symmetry related transformations.
8850 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8851 (X,Y) and its symmetry related transformations.
8853 2006-02-14 Roger Sayle <roger@eyesopen.com>
8855 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8858 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8860 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8862 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8865 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8866 support COMDAT group.
8867 * configure: Regenerate.
8869 2006-02-14 Roger Sayle <roger@eyesopen.com>
8874 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8876 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8878 Fix PR tree-optimization/26260
8880 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8882 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8883 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8884 * tree-ssa-structalias.c (create_variable_info_for): Use
8885 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8887 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8889 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8891 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8892 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8893 of the ending condition.
8894 * tree-ssa-loop-manip.c: Include params.h.
8895 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8896 tree_unroll_loop): New functions.
8897 * tree-pass.h (pass_loop_prefetch): Declare.
8898 * loop.c (rest_of_handle_loop_optimize): Test for
8899 -fprefetch-loop-arrays-rtl.
8900 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8901 * timevar.def (TV_TREE_PREFETCH): New timevar.
8902 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8903 pass_loop_prefetch): New.
8904 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8905 (cleanup_tree_cfg_loop): Call scev_reset.
8906 * common.opt (fprefetch-loop-arrays-rtl): Add.
8907 * tree-ssa-loop-prefetch.c: New file.
8908 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8909 (new_temp_expr_table): Initialize expr_vars.
8910 (free_temp_expr_table): Cleanup expr_vars.
8911 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8912 expressions from being merged into one.
8913 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8914 (struct tree_niter_desc): Add control, bound and cmp fields.
8915 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8917 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8918 (tree-cfgcleanup.o): Add SCEV_H dependency.
8919 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8920 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8922 2006-02-14 Richard Guenther <rguenther@suse.de>
8924 PR tree-optimization/26258
8925 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8926 in PHI argument processing.
8928 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8930 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8931 new expression in the requested machine mode.
8933 2006-02-13 Roger Sayle <roger@eyesopen.com>
8935 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8936 directly, instead let do_compare_rtx_and_jump handle this for us.
8937 * expr.c (expand_expr_real_1): Likewise.
8938 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8939 before do_jump_by_parts_greater.
8940 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8941 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8943 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8945 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8947 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8949 PR rtl-optimization/26235
8950 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8951 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8954 2006-02-13 Jeff Law <law@redhat.com>
8956 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8959 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8962 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8963 twice if decl is a builtin. When trying again, call get_callee_fndecl
8964 first to verify it is still a builtin.
8966 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8968 * dwarf2out.c (base_type_die): Don't add AT_name here.
8969 (subrange_type_die): Don't add AT_name here.
8970 (modified_type_die): Rearrange code flow. Do add AT_name here.
8972 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8974 PR rtl-optimization/26247
8975 PR rtl-optimization/26248
8976 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8978 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8980 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8981 * config/fixtfdi.c: Likewise.
8982 * config/fixunstfdi.c: Likewise.
8983 * config/floatditf.c: Likewise.
8985 2006-02-13 Roger Sayle <roger@eyesopen.com>
8988 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8989 into (X,C2) if C1 is a subset of the bits of C2. Transform
8990 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8992 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8994 2006-02-13 Josh Conner <jconner@apple.com>
8997 * varasm.c (function_section): Check for section name before
8998 calling select_section on targets that define
8999 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9000 unlikely_text_section instead of hot_function_section if
9001 first_function_block_is_cold.
9003 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9006 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9008 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9010 PR rtl-optimization/26222
9011 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9012 after tree->rtl expansion.
9013 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9014 before passing it to emit_move_insn.
9016 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9018 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9020 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9021 Clarify documentation.
9022 * c-common.h (warn_write_strings): Remove.
9023 * c-common.c (warn_write_strings): Likewise.
9024 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9027 2006-02-12 Roger Sayle <roger@eyesopen.com>
9030 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9031 (do_jump_parts_zero_rtx): New function renamed from
9032 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9033 (do_jump_parts_equality_rtx): New function split out from
9034 do_jump_parts_equality. Old implementation renamed as above.
9035 Call do_jump_parts_zero_rtx if either operand is zero.
9036 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9037 do all of the heavy lifting.
9038 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9039 calling either do_jump_by_parts_greater_rtx or
9040 do_jump_by_parts_equality_rtx.
9041 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9042 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9043 moved to do_compare_rtx_and_jump, call it directly.
9044 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9045 mode argument. Call do_compare_rtx_and_jump.
9046 (emit_case_nodes): Update calls to do_jump_if_equal.
9048 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9050 PR rtl-optimization/26225
9051 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9053 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9055 PR rtl-optimization/26232
9056 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9058 2006-02-11 Jason Merrill <jason@redhat.com>
9061 * tree-inline.c (declare_return_variable): Just don't use the
9062 modify target if it's a gimple complex reg and the return slot
9065 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9067 * doc/contrib.texi: Update my entry.
9069 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9071 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9073 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9075 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9078 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9080 * doc/invoke.texi (-floop-optimize2): Removed.
9081 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9082 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9083 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9084 * common.opt (floop-optimize2): Removed.
9085 (fmove-loop-invariants): Enabled by default.
9087 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9089 * tree-if-conv.c (combine_blocks): Free the result of
9090 get_loop_exit_edges.
9092 2006-02-10 Jeff Law <law@redhat.com>
9094 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9096 PR tree-optimization/26213
9097 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9098 loop trying to follow SSA_NAME_VALUE chains.
9100 2006-02-10 Richard Guenther <rguenther@suse.de>
9102 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9103 deal with structures that end in implicitly variable sized arrays.
9105 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9107 PR rtl-optimization/24762
9108 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9111 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9113 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9114 (struct ivopts_data): Add regs_used field.
9115 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9116 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9117 instead of loop_data->regs_used;
9118 (free_loop_data): Do not free aux fields for loops.
9119 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9120 and tree_ssa_iv_optimize_finalize.
9122 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9124 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9126 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9129 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9130 computing the effective result type.
9132 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9135 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9136 (tree_overlaps_hard_reg_set): Declare.
9137 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9138 type and signature to match function type expected by walk_tree.
9139 (tree_overlaps_hard_reg_set): New function.
9140 (decl_conflicts_with_clobbers_p): Rename to:
9141 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9142 Use tree_overlaps_hard_reg_set. Changed caller.
9143 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9144 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9145 * cris.c (cris_md_asm_clobbers): Likewise.
9147 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9149 * reload1.c (emit_input_reload_insns): Delete code that tries to
9150 inherit using find_equiv_reg.
9152 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9154 * c-common.h (flag_const_strings): Don't declare.
9155 * c-common.c (flag_const_strings): Remove.
9156 * c.opt (fconst_strings): Remove.
9157 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9158 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9159 (c_common_init_options): Don't set flag_const_strings.
9160 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9162 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9164 * arm.md (tlobits_cbranch): New pattern.
9165 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9166 testing a single bit.
9168 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9171 * tree-ssa-pre.c (create_component_ref_by_pieces):
9172 Handle RETURN_DECL like VAR_DECL.
9174 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9177 * fold-const.c (fold_indirect_ref_1): Fold
9178 "*(foo *)&complexfoo" to "__real__ complexfoo"
9179 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9181 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9183 * tree-flow-inline.h (var_can_have_subvars):
9184 Volatile variables should not have subvariables.
9186 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9189 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9190 multiplying unsigned values.
9193 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9195 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9197 2006-02-08 Jason Merrill <jason@redhat.com>
9200 * tree.def: Elaborate on difference from MODIFY_EXPR.
9201 * doc/c-tree.texi (INIT_EXPR): Likewise.
9202 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9203 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9204 (gimplify_target_expr): Likewise.
9205 (gimplify_cond_expr): Remove target handling.
9206 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9207 (gimplify_expr): Clobber it here.
9208 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9209 Do return slot optimization if we have an INIT_EXPR.
9212 * tree-inline.c (declare_return_variable): Also clear
9213 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9216 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9219 * gimplify.c (gimplify_one_sizepos): Fix typo.
9221 2006-02-08 Jeff Law <law@redhat.com>
9223 PR tree-optimization/21417
9224 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9225 across a backedge if the control statement at the end of the
9226 block is data dependent on other statements in the same block.
9227 (record_temporary_equivalences_from_stmts): Remove over-conservative
9228 test for threading across backedges.
9230 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9231 control statement, handle all three special cases in the same
9232 manner as they all have the same desired solution. No longer
9233 special case edge flag updating when the post dominator is
9236 2006-02-08 Roger Sayle <roger@eyesopen.com>
9238 * tree.def (CHAR_TYPE): Remove.
9239 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9240 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9241 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9242 (gen_string_type_die): Delete unreachable function.
9244 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9245 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9246 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9247 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9248 * builtins.c (type_to_class): Likewise.
9249 * fold-const.c (fold_convert, build_range_check,
9250 merge_ranges): Likewise.
9251 * expr.c (count_type_elements): Likewise.
9252 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9253 * stor-layout.c (layout_type): Likewise.
9254 * ipa-type-escape.c (type_to_consider): Likewise.
9255 * gimplify.c (omp_firstprivatize_type_sizes,
9256 gimplify_type_sizes): Likewise.
9257 * explow.c (promote_mode): Likewise.
9258 * tree-sra.c (is_sra_scalar_type): Likewise.
9259 * varasm.c (output_constant): Likewise.
9260 * tree-inline.c (remap_type_1): Likewise.
9261 * convert.c (convert_to_pointer, convert_to_real,
9262 convert_to_integer, convert_to_complex): Likewise.
9264 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9266 * df-scan.c (df_def_record_1): A set destination may
9267 be a parallel regardless of mode.
9269 2006-02-08 Roger Sayle <roger@eyesopen.com>
9272 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9273 * config/mips/_tilib.c: Remove.
9274 * config/fixtfdi.c: New libgcc source file.
9275 * config/fixunstfdi.c: New source file.
9276 * config/floatditf.c: New source file.
9277 * config/floatunditf.c: New souce file.
9278 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9279 files above instead of config/mips/_tilib.c.
9280 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9282 2006-02-08 Jeff Law <law@redhat.com>
9284 PR tree-optimization/26169
9285 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9288 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9290 * df.h (DF_REG_SIZE): Return the length of the initialized
9293 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9295 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9296 __muldf3): Return a correctly signed zero.
9298 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9300 * passes.c (register_one_dump_file): Accept the current properties
9301 instead of pass number. Adjust call to dump_register. Remove
9303 (register_dump_files): Now a wrapper around...
9304 (register_dump_files_1): ... this one. Do not modify the pass
9306 (next_pass_1): Cosmetic fix.
9307 (execute_todo): Keep second parameter only. Use curr_properties
9308 instead of fetching it from the pass structure. Check and set
9310 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9311 instead of fetching it from the pass structure. Fix calls to
9312 execute_todo. Update curr_properties and initialize .vcg RTL dump
9313 after running the pass. Reset last_verified.
9314 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9316 (FIRST_AUTO_NUMBERED_DUMP): New.
9317 (dump_register): Remove "num" parameter, assign it within the
9319 (get_dump_file_name): Modify template for dumps.
9320 * tree-dump.h (dump_register): Adjust prototype.
9321 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9322 (PROP_trees): Add PROP_gimple_lomp.
9323 (TODO_set_props): New.
9324 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9325 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9326 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9328 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9330 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9331 (sparc64-*-linux*): Likewise.
9332 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9333 * config/sparc/t-linux: New file.
9334 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9335 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9336 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9337 -m32 -mlong-double-128.
9339 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9340 * config/alpha/t-linux: New file.
9341 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9343 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9344 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9345 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9346 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9347 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9348 (CPP_ARCH32_SPEC): Remove.
9350 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9352 PR tree-optimization/26145
9353 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9356 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9359 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9360 >= 240000 when generating code for SOM runtime.
9361 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9362 to $$dyncall when generating code for SOM runtime..
9364 2006-02-07 Dirk Mueller <dmueller@suse.com>
9367 * doc/invoke.texi (-Wsequence-point): Update documentation
9368 that -Wsequence-point is implemented for C++ as well.
9370 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9372 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9373 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9374 (LIB_SPEC): Likewise.
9375 * doc/invoke.texi (SPARC options): Document -pthread.
9377 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9379 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9382 2006-02-07 Roger Sayle <roger@eyesopen.com>
9384 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9385 Correct comment describing BOOLEAN_TYPE.
9387 2006-02-07 Dirk Mueller <dmueller@suse.com>
9389 * c.opt: C++ frontend supports -Wdiv-by-zero.
9390 * c-opts.c (c_common_handle_option): Remove dead case.
9392 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9394 * configure.ac (TLS assembler check): Do not enable TLS by
9395 default on SPARC/Solaris before version 10.
9396 * configure: Regenerate.
9398 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9400 * doc/invoke.texi (xl-compat): Document conversion and support
9403 2006-02-07 Jeff Law <law@redhat.com>
9405 * tree-vrp.c (find_conditional_asserts): Update comments.
9406 (simplify_stmt_for_jump_threading): New.
9407 (identify_jump_threads, finalize_jump_threads): New.
9408 (vrp_finalize): Call identify_jump_threads.
9409 (execute_vrp): Call finalize_jump_threads.
9410 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9411 (vrp_element, vrp_data, vrp_element_p): Remove.
9412 (vrp_hash_elt, vrp_variables_stack): Remove.
9413 (vrp_hash, vrp_eq, record_range): Remove.
9414 (simplify_cond_and_lookup_avail_expr): Remove.
9415 (extract_range_from_cond): Remove.
9416 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9417 (simplify_stmt_for_jump_threading): New.
9418 (dom_thread_across_edge): New wrapper.
9419 (tree_ssa_dominator_optimize): No longer initialize or
9420 finalize any of the VRP datastructures. Remove iteration
9421 step and simplify as a result of removal of iteration step.
9422 (pass_dominator): Perform a cfg cleanup after DOM.
9423 (dom_opt_finalize_block): Use the new common routines
9424 for threading jumps. Simplify stack management slightly.
9425 No longer need to unwind VRP state.
9426 (record_equivalences_from_incoming_edge): No longer record
9428 (eliminate_redundant_computations): No longer call
9429 simplify_cond_and_lookup_avail_expr.
9430 * tree-flow.h (potentially_threadable_block): Prototype.
9431 (thread_across_edge): Likewise.
9432 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9433 (tree-ssa-threadedge.o): Add dependencies.
9434 * tree-ssa-threadedge.c: New file.
9435 * passes.c (init_optimization_passes): Merge PHIs before
9436 calling VRP. Run VRP again late in the SSA optimization pipeline.
9438 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9440 * df-core.c (df_set_blocks): Do not dereference function pointers.
9441 (df_finish1): Likewise.
9442 (df_hybrid_search_forward): Likewise.
9443 (df_hybrid_search_backward): Likewise.
9444 (df_iterative_dataflow): Likewise.
9445 (df_analyze_problem): Likewise.
9446 (df_compact_blocks): Likewise.
9447 (df_dump): Likewise.
9448 * df-scan.c (df_rescan_blocks): Likewise.
9449 (df_record_entry_block_defs): Likewise.
9451 * genconditions.c (write_conditions): Guard the definition of
9452 'insn_conditions' with the check on GCC version.
9453 (write_writer): Guard the traversal 'insn_conditions' with
9454 the check on GCC version.
9456 2006-02-07 Richard Guenther <rguenther@suse.de>
9460 2006-01-30 Richard Guenther <rguenther@suse.de>
9462 * gimplify.c (gimplify_target_expr): Handle easy cases
9463 without creating a temporary.
9465 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9467 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9468 use of float in probability computations. Use edge probabilities
9469 in place of statically computed probabilities.
9470 (min_spec_prob): New static variable.
9471 (schedule_insns): Initialize it.
9472 (GET_SRC_PROB): Removed.
9473 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9475 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9478 * config/ia64/unwind-ia64.c: Revert last change.
9479 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9480 (INCOMING_FRAME_SP_OFFSET): Define.
9482 2006-02-06 Roger Sayle <roger@eyesopen.com>
9484 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9486 2006-02-07 Ben Elliston <bje@au.ibm.com>
9488 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9489 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9490 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9491 (ix86_return_in_memory): Handle TDmode.
9492 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9493 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9495 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9497 * reorg.c (dbr_schedule): Use dump_file instead of file.
9499 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9502 * config/ia64/predicates.md (extr_len_operand): New predicate.
9503 * config/ia64/ia64.md (extv): Tighten constraints.
9505 (*tbit_and_2): Ditto.
9506 (*tbit_and_3): Ditto.
9507 (*tbit_or_2): Ditto.
9508 (*tbit_or_3): Ditto.
9512 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9515 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9517 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9519 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9520 loop_optimizer_init and loop_optimizer_finalize
9521 * tree-ssa-sink.c (execute_sink_code): Ditto.
9522 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9523 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9524 tree_ssa_loop_done): Ditto.
9525 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9526 * sched-ebb.c: Include output.h.
9527 (schedule_ebbs): Do not use dump argument.
9528 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9529 * loop.c (loop_dump_stream): Removed.
9530 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9532 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9533 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9534 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9535 loop_iterations, strength_reduce, record_biv, record_giv,
9536 final_giv_value, check_final_value, check_ext_dependent_givs,
9537 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9538 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9539 dump_file instead of loop_dump_stream.
9540 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9542 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9544 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9545 * haifa-sched.c: Include output.h
9546 (schedule_insns, sched_init): Do not use dump argument.
9547 * mode-switching.c (optimize_mode_switching): Ditto.
9548 * modulo-sched.c (stats_file): Removed.
9549 (print_node_sched_params): Do not call argument dump_file.
9550 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9551 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9553 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9555 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9556 rtl_loop_init, rtl_loop_done): Ditto.
9557 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9558 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9560 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9561 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9562 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9563 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9564 * emit-rtl.c (renumber_insns): Ditto.
9565 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9566 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9567 * regclass.c (regclass): Ditto.
9568 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9569 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9570 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9571 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9573 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9574 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9576 * gcse.c (gcse_file, debug_stderr): Removed.
9577 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9578 rest_of_handle_gcse): Do not use dump argument.
9579 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9580 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9581 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9582 compute_code_hoist_vbeinout, compute_code_hoist_data,
9583 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9584 compute_store_table, build_store_vectors, insert_insn_start_bb,
9585 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9586 store_motion): Use dump_file instead of gcse_file.
9587 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9588 * profile.c (profile_dump_file): Removed.
9589 (branch_prob): Use dump_file instead of profile_dump_file.
9590 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9592 * tree-ssa-copy.c (dump_copy_of): Ditto.
9593 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9594 dump file to life_analysis.
9595 * bt-load.c (branch_target_load_optimize): Ditto.
9596 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9598 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9599 regclass, dbr_schedule): Declaration changed.
9600 * sched-int.h (sched_init): Declaration changed.
9601 * tree-profile.c (tree_profile_dump_file): Removed.
9602 (tree_profile_hooks): Removed profile_dump_file hook.
9603 * rtl-profile (rtl_profile_dump_file): Removed.
9604 (rtl_profile_hooks): emoved profile_dump_file hook.
9605 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9607 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9608 * tree-cfg.c (build_tree_cfg): Ditto.
9609 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9610 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9611 Declaration changed.
9612 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9613 life_analysis and schedule_insns.
9614 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9616 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9618 * config/mips/mips.c (mips_reorg): Ditto.
9619 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9622 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9624 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9625 (s390_mangle_fundamental_type): New.
9626 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9629 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9630 (alpha_mangle_fundamental_type): New.
9631 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9634 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9636 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9638 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9639 (sparc_mangle_fundamental_type): New.
9641 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9643 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9644 (s390x-*-linux*): Likewise.
9645 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9646 * config/s390/t-linux: New file.
9648 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9650 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9651 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9653 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9655 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9656 (ANTIC_SAFE_LOADS): New macro.
9657 (find_or_generate_expression): Add prototype.
9658 (set_contains_value): Allow null set for sake of not always having
9659 to allocate ANTIC_SAFE_LOADS.
9660 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9661 Allow COMPONENT_REF too.
9662 (valid_in_set): Allow COMPONENT_REF.
9663 Check ANTIC_SAFE_LOADS too.
9664 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9665 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9667 (can_PRE_operation): Add COMPONENT_REF.
9668 (create_component_ref_by_pieces): New function.
9669 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9670 (insert_aux): Move AGGREGATE_TYPE_P check here.
9671 (compute_avail): Set bb local stmt uids.
9672 (pass_pre): Use TODO_update_ssa_only_virtuals.
9674 2006-02-06 Ben Elliston <bje@au.ibm.com>
9676 * configure.ac: Unconditionally disable decimal float by default.
9677 * configure: Regenerate.
9679 2006-02-06 Ben Elliston <bje@au.ibm.com>
9681 * read-rtl.c (read_name): Terminate reading on EOF.
9683 2006-02-06 Ben Elliston <bje@au.ibm.com>
9685 * dfp.c (decimal_real_arithmetic): Change second argument type
9686 from int to enum tree_code. Do not always return true, but now
9687 return result of any call to decimal_do helper functions.
9688 * dfp.h (decimal_real_arithmetic): Update prototype.
9690 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9692 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9694 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9697 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9700 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9702 * tree-vrp.c (cfg_loops): Removed.
9703 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9704 Use current_loops instead of cfg_loops. Pass flags to
9705 loop_optimizer_init.
9706 * cfgloopmanip.c (fix_loop_structure): Update only available
9708 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9709 loop_optimizer_init.
9710 * modulo-sched.c (build_loops_structure): Removed.
9711 (sms_schedule): Use loop_optimizer_init.
9712 * loop-init.c (loop_optimizer_init): Use flags to determine
9713 which properties of loops to prepare.
9714 (rtl_loop_init): Pass flags to loop_optimizer_init.
9715 * tree-ssa-sink.c (execute_sink_code): Ditto.
9716 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9717 * tree-ssa-pre.c (init_pre): Ditto.
9718 * cfgloop.h (LOOPS_NORMAL): New.
9719 (loop_optimizer_init): Declaration changed.
9721 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9723 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9724 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9726 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9728 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9730 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9731 * pa/t-pa64: Delete quadlib.c rule.
9732 * pa/x-ada: Revert last change.
9733 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9735 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9737 PR rtl-optimization/26087
9738 * rtlanal.c (canonicalize_condition): Do not cross basic block
9741 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9744 * config/ia64/ia64.c: Include debug.h.
9745 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9746 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9747 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9748 (process_epilogue, process_set, process_for_unwind_directive):
9749 Output unwind info only if requested. Add CFA info if requested.
9750 Add new arguments as needed. Adjust callers.
9751 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9753 (DWARF2_FRAME_INFO): Define to zero.
9754 * config/ia64/unwind-ia64.c: Remove code that compensated for
9755 the CFA offset error fixed above.
9756 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9757 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9758 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9759 -funwind-tables and -fexceptions to enable frame info.
9760 (dwarf2out_frame_init): Define initial CFA even if
9761 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9762 DWARF2_UNWIND_INFO is nonzero, not just defined.
9763 (dwarf2out_frame_finish): Output non-EH call frame info only
9764 if DWARF2_FRAME_INFO is nonzero.
9765 (convert_cfa_to_loc_list,
9766 compute_frame_pointer_to_cfa_displacement): Define even if
9767 unwind info is not supported.
9768 (gen_subprogram_die): Use the above unconditionally. Remove
9769 legacy alternate code.
9770 * toplev.c (compile_file): Compile in call to
9771 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9772 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9774 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9775 Jakub Jelinek <jakub@redhat.com>
9777 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9778 IBM extended float format long double as "g" on powerpc*-linux.
9780 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9783 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9784 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9786 2006-02-03 Jason Merrill <jason@redhat.com>
9789 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9792 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9793 on the return slot if it's an NRV.
9795 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9797 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9798 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9799 rewrite_use): Do not handle USE_OUTER.
9800 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9801 add_iv_outer_candidates, may_replace_final_value,
9802 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9803 (find_interesting_uses_op): Functionality of
9804 find_interesting_uses_outer_or_nonlin moved here.
9805 (find_interesting_uses_outside): Use find_interesting_uses_op.
9807 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9810 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9812 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9813 Ulrich Weigand <uweigand@de.ibm.com>
9816 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9817 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9818 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9819 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9821 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9822 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9823 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9824 Define secondary reloads for TFmode moves.
9825 (constant_modes): Add TFmode.
9826 (NR_C_MODES): Set to 8.
9827 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9829 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9830 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9831 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9832 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9833 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9834 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9835 (FPR mode macro): Add TFmode.
9836 (DSF mode macro): New.
9837 (<de>, <dee> mode attributes): Removed.
9838 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9839 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9840 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9841 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9842 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9843 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9844 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9845 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9846 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9847 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9848 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9849 "*negabs<mode>2", "sqrt<mode>2"):
9850 Changed <de> to <xde>. R constraint replaced by <Rf>.
9851 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9853 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9854 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9855 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9857 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9858 "extenddftf2", "extendsftf2"): New expanders.
9859 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9860 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9861 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9862 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9864 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9865 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9866 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9867 __floatditf): Add a GCC_4.1.0 symbol version tag.
9868 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9871 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9874 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9875 Use targetm.binds_local_p instead of TREE_PUBLIC.
9877 2006-02-02 Roger Sayle <roger@eyesopen.com>
9879 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9880 on INTEGER_TYPEs to indicate that it denotes a character type.
9881 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9882 signed_char_type_node, unsigned_char_type_node and char_type_node.
9883 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9884 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9885 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9887 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9888 Daniel Berlin <dberlin@dberlin.org>
9890 * tree-tailcall.c (arg_needs_copy_p): New function.
9891 (eliminate_tail_call): Use arg_needs_copy_p.
9892 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9893 (add_virtual_phis): New function.
9895 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9897 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9898 #ignore instead of #scratch for %g7 .register directive.
9900 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9902 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9905 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9907 * flow.c (calculate_global_regs_live): Assert that there aren't any
9910 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9912 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9914 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9915 bsi_after_labels iterator.
9916 * tree-if-conv.c (find_phi_replacement_condition,
9917 replace_phi_with_cond_modify_expr): Likewise.
9918 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9919 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9921 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9923 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9925 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9928 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9929 array after growing it.
9931 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9934 * fold-const.c (fold_checksum_tree): Change type of buf.
9936 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9938 * reload.c (push_secondary_reload): Initialize t_icode.
9940 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9942 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9943 -msoft-float -mlong-double-128 only issue a warning, but don't
9944 swich to DFmode long double.
9946 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9948 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9949 has a constant equivalent, iterate over equivalents for arg0,
9950 calling simplify_relational_operation and if there's a result
9951 cheaper than X, apply fold_rtx and return the result.
9953 2006-02-01 Jan Hubicka <jh@suse.cz>
9955 * opts.c (no_unit_at_a_time_default): New global variable.
9956 (decode_options): Use it.
9957 * opts.h (no_unit_at_a_time_default): Declare.
9959 2006-02-01 Paul Brook <paul@codesourcery.com>
9961 * function.c (assign_parm_setup_reg): Use function argument promotion
9963 * expr.c (expand_expr_real_1): Use function argument promotion rules
9966 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9968 * gcc.c (process_command): Change j to 'unsigned int'.
9970 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9973 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9974 Use the corrected index for the character
9975 out of the string constant.
9977 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9979 * mode-switching.c (optimize_mode_switching): Fix size
9980 allocated for bb_info[n_entities].
9982 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9984 * gcc.c (main): Correct type that is allocated for
9985 explicit_link_files.
9987 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9989 * config/s390/s390.c (init_alignment_context): Set
9990 ALIAS_SET_MEMORY_BARRIER on the MEM.
9991 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9993 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9996 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9998 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10001 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10003 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10004 * regrename.c: Ditto.
10005 * tree-ssa-loop-im.c: Ditto.
10006 * tree-dump.c: Ditto.
10007 * tree-complex.c: Ditto.
10008 * genrecog.c: Ditto.
10009 * tree-ssa-threadupdate.c: Ditto.
10011 * java/class.c: Ditto.
10012 * java/jcf-parse.c: Ditto.
10013 * java/resource.c: Ditto.
10014 * java/except.c: Ditto.
10015 * java/jvspec.c: Ditto.
10016 * java/jcf-write.c: Ditto.
10017 * java/jcf-path.c: Ditto.
10018 * java/gjavah.c: Ditto.
10019 * java/zextract.c: Ditto.
10020 * java/jcf-io.c: Ditto.
10021 * java/jcf.h: Ditto.
10022 * java/buffer.c: Ditto.
10023 * java/lang.c: Ditto.
10024 * java/parse-scan.y: Ditto.
10025 * java/lex.c: Ditto.
10026 * java/lex.h: Ditto.
10027 * cfgloopmanip.c: Ditto.
10028 * postreload-gcse.c: Ditto.
10029 * tree-ssa-loop-manip.c: Ditto.
10030 * postreload.c: Ditto.
10031 * tree-ssa-loop-ch.c: Ditto.
10034 * cppspec.c: Ditto.
10035 * diagnostic.c: Ditto.
10037 * genoutput.c: Ditto.
10039 * cfghooks.c: Ditto.
10040 * cfgloopanal.c: Ditto.
10041 * objc/objc-act.c: Ditto.
10043 * genextract.c: Ditto.
10044 * genautomata.c: Ditto.
10045 * pretty-print.c: Ditto.
10046 * genemit.c: Ditto.
10047 * cgraphunit.c: Ditto.
10049 * df-scan.c: Ditto.
10050 * haifa-sched.c: Ditto.
10051 * dominance.c: Ditto.
10053 * tree-ssa-loop-ivopts.c: Ditto.
10054 * df-core.c: Ditto.
10055 * mode-switching.c: Ditto.
10056 * modulo-sched.c: Ditto.
10058 * ipa-pure-const.c: Ditto.
10060 * fix-header.c: Ditto.
10062 * tree-stdarg.c: Ditto.
10063 * ipa-utils.c: Ditto.
10064 * loop-init.c: Ditto.
10065 * ipa-inline.c: Ditto.
10066 * cfganal.c: Ditto.
10068 * alloc-pool.c: Ditto.
10069 * dwarf2out.c: Ditto.
10071 * genattrtab.c: Ditto.
10072 * tree-ssa-loop-ivcanon.c: Ditto.
10073 * predict.c: Ditto.
10074 * timevar.c: Ditto.
10076 * fortran/gfortranspec.c: Ditto.
10077 * regmove.c: Ditto.
10078 * local-alloc.c: Ditto.
10079 * langhooks.c: Ditto.
10080 * function.c: Ditto.
10081 * tree-vectorizer.c: Ditto.
10083 * ipa-type-escape.c: Ditto.
10085 * tree-if-conv.c: Ditto.
10086 * profile.c: Ditto.
10088 * tree-data-ref.c: Ditto.
10089 * loop-unroll.c: Ditto.
10090 * treelang/treetree.c: Ditto.
10092 * bt-load.c: Ditto.
10093 * ggc-common.c: Ditto.
10095 * coverage.c: Ditto.
10097 * tree-cfgcleanup.c: Ditto.
10098 * tree-ssa-pre.c: Ditto.
10099 * cfgcleanup.c: Ditto.
10100 * loop-invariant.c: Ditto.
10101 * loop-iv.c: Ditto.
10102 * ipa-prop.c: Ditto.
10103 * print-tree.c: Ditto.
10104 * conflict.c: Ditto.
10105 * ggc-page.c: Ditto.
10106 * sched-deps.c: Ditto.
10107 * regclass.c: Ditto.
10108 * tree-object-size.c: Ditto.
10109 * combine.c: Ditto.
10110 * bb-reorder.c: Ditto.
10111 * resource.c: Ditto.
10112 * var-tracking.c: Ditto.
10113 * cfgloop.c: Ditto.
10114 * df-problems.c: Ditto.
10115 * reg-stack.c: Ditto.
10117 * gccspec.c: Ditto.
10118 * sched-rgn.c: Ditto.
10119 * tree-ssa-structalias.c: Ditto.
10120 * tree-ssa-reassoc.c: Ditto.
10121 * config/darwin-c.c: Ditto.
10122 * config/darwin.c: Ditto.
10123 * config/arm/arm.c: Ditto.
10125 * collect2.c: Ditto.
10126 * reload1.c: Ditto.
10128 2006-01-31 Nicolas Pitre <nico@cam.org>
10130 * arm.md (smaxsi3): Make aware of smax_m1.
10133 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10135 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10137 2006-01-31 Richard Guenther <rguenther@suse.de>
10139 * doc/invoke.texi (-msselibm): Document.
10140 * target.h (expand_library_builtin): New target hook.
10141 * builtins.c (expand_builtin): Use expand_library_builtin.
10142 (default_expand_library_builtin): New function.
10143 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10144 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10145 (link_gcc_math_spec): Declare.
10146 (static_specs): Add link_gcc_math_spec.
10147 * expr.h (default_expand_library_builtin): Declare.
10148 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10149 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10150 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10151 * config/i386/i386.opt (msselibm): New target option.
10152 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10153 (ix86_init_sse_abi_builtins): New function.
10154 (ix86_expand_library_builtin): Likewise.
10155 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10156 (override_options): Handle error conditions wrt -msselibm.
10157 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10158 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10159 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10162 2006-01-31 Richard Guenther <rguenther@suse.de>
10163 Paolo Bonzini <bonzini@gnu.org>
10165 * doc/install.texi (--disable-libgcc-math): Document.
10167 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10169 * expr.h (expand_normal): new inline function.
10170 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10171 * dojump.c: use it.
10172 * dwarf2out.c: use it.
10175 * expmed.c: use it.
10176 * except.c: use it.
10177 * config/sparc/sparc.c: use it.
10178 * config/i386/i386.c: use it.
10179 * config/rs6000/rs6000.c: use it.
10180 * config/arm/arm.c: use it.
10181 * config/mips/mips.c: use it.
10182 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10184 2006-01-30 Roger Sayle <roger@eyesopen.com>
10186 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10187 argv to the appropriate type.
10189 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10191 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10194 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10197 * config/s390/s390.c (struct machine_function): New flag
10198 decomposed_literal_pool_addresses_ok_p.
10199 (s390_reorg): Set it before final stage of literal pool transforms.
10200 (s390_decompose_address): Only accept displacements of the form
10201 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10203 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10205 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10206 the comparison routine return.
10208 2006-01-30 Michael Matz <matz@suse.de>
10210 * global.c (find_reg): Only evict for global regs.
10211 Take n_refs into account and dump more info.
10213 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10216 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10217 (pragma_trap, pragma_nosave_low_regs): Likewise.
10218 (current_function_anonymous_args): Likewise.
10219 (sh_deferred_function_attributes): New variable.
10220 (sh_deferred_function_attributes_tail): Likewise.
10221 (print_operand): For '@', look up trap_exit attribute.
10222 (calc_live_regs): Look up trapa_handler attribute. For trapa
10223 handlers, save/restore fpscr, but don't do any other
10224 interrupt-specific saves.
10225 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10226 Fix check for partially saved registers to check for SHmedia.
10227 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10228 (sh_output_function_epilogue): Don't clear any of the removed
10230 (sh_insert_attributes): Don't check pragma_interrupt.
10231 Insert deferred attributes. Check that interrupt attribute is
10232 present for other attributes that require its presence.
10233 (sh_attribute_table): Add new attributes trapa_handler and
10235 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10236 Don't check for pragma_interrupt. Don't store argument.
10237 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10238 (sh_deferred_function_attributes): Declare.
10239 (sh_deferred_function_attributes_tail): Likewise.
10240 * sh.md (sp_switch_1): Add operand. Change generator caller.
10241 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10242 (*return_i): Don't use when trap_exit attribute is in effect.
10243 (*return_trapa): New insn pattern.
10244 * sh-c.c: New file.
10245 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10246 setting c_target_objs and cxx_target_objs.
10247 * t-sh: Add rule for sh-c.o.
10249 2006-01-30 Richard Guenther <rguenther@suse.de>
10252 * gimplify.c (gimplify_target_expr): Handle easy cases
10253 without creating a temporary.
10255 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10257 * vec.h (safe_grow): Remove duplicated line.
10259 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10262 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10263 (expand_omp): ... here.
10264 (expand_omp_parallel): Only remove barriers for combined
10265 parallel+workshare constructs.
10267 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10271 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10272 * tree.c (build_qualified_type): Chain the new type to the original
10273 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10274 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10275 (build_pointer_type_for_mode): Only return unqualified types.
10276 (build_reference_type_for_mode): Likewise.
10278 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10280 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10281 * Makefile.in (CXX_COMPAT_WARN): Define.
10282 * configure: Regenerate.
10284 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10287 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10290 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10292 * toplev.c: Fix thinko.
10294 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10295 Marcin Dalecki <martin@dalecki.de>
10297 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10298 (push_srcloc): Use XNEW.
10299 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10301 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10303 * df-core.c (df_set_blocks): Deleted all variable.
10305 2006-01-28 Ian Lance Taylor <ian@airs.com>
10307 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10308 cgraph_output_pending_asms.
10310 2006-01-28 Zack Weinberg <zackw@panix.com>
10312 * c.opt: Add -W(no-)overlength-strings.
10313 * doc/invoke.texi: Document it.
10314 * c-opts.c (c_common_handle_option): -pedantic implies
10315 -Woverlength-strings, if not explicitly disabled already.
10316 (c_common_post_options): -Woverlength-strings defaults to off, and
10317 is always off for C++.
10318 * c-common.c (fix_string_type): Issue warning about strings longer
10319 than is portable only if warn_overlength_strings. Rearrange code
10320 a little for clarity.
10321 * configure.in: Check for -Wno-overlength-strings as well before
10322 enabling -pedantic in stage 1.
10323 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10324 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10326 * genconditions.c (write_header, write_one_condition)
10327 (write_conditions, write_writer): Consolidate very long strings
10328 that were broken up to fit in C89 portable limit. Don't use
10329 printf when fputs will do.
10331 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10333 * combine.c (simplify_comparison <AND>): Check
10334 TRULY_NOOP_TRUNCATION before start using a subreg.
10336 * config/mips/mips.md (*branch_zero<mode>,
10337 *branch_zero<mode>_inverted, *branch_equality<mode>,
10338 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10339 Remove mode check from comparisons.
10341 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10343 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10345 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10347 * expmed.c (const_mult_add_overflow_p): Remove.
10348 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10350 * recog.c (validate_replace_rtx_subexp): Remove.
10351 * recog.h: Remove the prototype for
10352 validate_replace_rtx_subexp.
10354 * integrate.h: Remove the prototype for
10355 copy_decl_for_inlining.
10356 * rtl.h: Remove the prototype for mark_constant_function.
10357 * tree-vectorizer.h: Remove the prototype for
10358 vect_strip_conversion.
10360 * modulo-sched.c (create_partial_schedule,
10361 free_partial_schedule, reset_partial_schedule): Make them
10364 * hooks.c (hook_bool_rtx_int_false): Remove.
10365 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10367 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10369 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10370 and -mlong-double-128 are incompatible.
10371 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10372 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10373 (TARGET_LIBGCC2_CFLAGS): Define.
10374 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10375 (TARGET_LIBGCC2_CFLAGS): Same.
10376 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10378 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10381 * c-typeck.c (build_binary_op): Perform implicit casts of
10382 operands before shortening them.
10384 * cfgloopmanip.c (split_loop_bb): Remove.
10385 * cfgloop.h: Remove the prototype for split_loop_bb.
10387 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10388 * cfgloop.h: Remove the prototype for
10389 flow_loop_outside_edge_p.
10391 * emit-rtl.c (init_virtual_regs): Make it static.
10392 * function.h: Remove the prototype for init_virtual_regs.
10394 * recog.c (peephole2_optimize): Make it static.
10395 * recog.h: Remove the prototype for peephole2_optimize.
10397 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10399 * df-scan.c (df_record_entry_block_defs): Check if
10400 INCOMING_RETURN_ADDR_RTX is defined.
10402 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10403 Kenneth Zadeck <zadeck@naturalbridge.com>
10405 PR rtl-optimization/24762
10406 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10407 * targhooks.c (hook_void_bitmap): New hook prototype.
10408 * targhoohs.h (hook_void_bitmap): Ditto.
10409 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10410 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10411 * target.h (live_on_entry): New function pointer.
10412 * df-scan.c (df_all_hard_regs): Removed.
10413 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10414 (df_scan_free_internal): Added df->entry_block_defs.
10415 (df_scan_alloc): Ditto.
10416 (df_scan_dump): Ditto.
10417 (df_uses_record): Plumbed flag field properly thru calls.
10418 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10419 This part fixes PR24762.
10420 (df_bb_refs_record): Added code to make the frame and arg
10421 pointers live in EH blocks.
10422 (df_refs_record): Added call to df_record_entry_block_defs.
10423 (df_record_entry_block_defs): New function.
10424 * df-core.c: Added comments to describe new artifical defs.
10425 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10426 (entry_block_defs): New field in struct df.
10427 (df_all_hard_regs): Deleted.
10428 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10429 * df-problems.c (df_ru_bb_local_compute_process_def):
10430 Added code to handle artifical defs in the entry to a function.
10431 (df_ru_bb_local_compute): Ditto.
10432 (df_rd_bb_local_compute_process_def): Ditto.
10433 (df_rd_bb_local_compute): Ditto.
10434 (df_lr_bb_local_compute): Ditto.
10435 (df_ur_bb_local_compute): Ditto.
10436 (df_urec_bb_local_compute): Ditto.
10437 (df_chain_create_bb): Ditto.
10438 (df_ur_local_finalize): Removed entry.
10439 (df_urec_init): Ditto.
10440 (df_urec_local_finalize): Ditto.
10441 (df_ri_bb_compute): Added detection of last use of pseudos.
10442 * Makefile.in (df-scan.o): Updated dependencies.
10443 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10444 * config/mips/mips.c (mips_set_live_on_entry): Added.
10445 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10447 * dce.c (marked_insn_p): Added code to handle artifical defs.
10449 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10451 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10453 (_mm_cvtsi128_si64): Likewise.
10454 (_mm_cvtsd_si64): Likewise.
10455 (_mm_cvttsd_si64): Likewise.
10456 (_mm_cvtsi64_sd): Likewise.
10457 (_mm_cvtsi64_si128): Likewise.
10458 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10459 (_mm_cvtsi64_m64): Likewise.
10460 (_m_to_int64): Likewise.
10461 (_mm_cvtm64_si64): Likewise.
10462 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10463 (_mm_cvttss_si64): Likewise.
10464 (_mm_cvtsi64_ss): Likewise.
10465 (_mm_cvtss_f32): Likewise.
10467 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10469 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10470 for pragma redefine_extname.
10472 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10475 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10476 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10477 -mno-minimal-toc to previous content.
10478 (bispecs): Remove goal.
10479 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10480 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10481 compatibility aliases on powerpc-*-*gnu*.
10482 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10483 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10484 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10485 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10486 (ldblspecs): New goal.
10487 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10488 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10490 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10491 L_sf_to_tf or L_df_to_tf is defined.
10493 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10494 Alan Modra <amodra@bigpond.net.au>
10497 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10498 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10499 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10500 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10501 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10502 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10503 (rs6000_override_options): Initialize rs6000_ieeequad.
10504 Initialize TFmode format to ibm_extended_format if not
10506 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10508 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10509 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10510 (function_arg_advance): IBM long double passed in two FPRs, not
10512 (function_arg): IBM long double passed in FPRs.
10513 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10514 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10515 Only multireg GPR aligned.
10516 (rs6000_init_libfuncs): Enable IBM long double functions if not
10518 (rs6000_generate_compare): Use IBM long double compare if not
10520 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10521 (TARGET_IEEEQUAD): Define.
10522 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10523 not TARGET_IEEEQUAD.
10524 * config/rs6000/rs6000.md: Enable TFmode patterns if
10526 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10527 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10528 and -mlong-double-128 are incompatible.
10529 * doc/invoke.texi (-mabi): Collect options together. Add
10530 ibmlongdouble and ieeelongdouble.
10532 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10534 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10536 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10537 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10538 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10539 * rtl.h (rtunion_def): Remove rt_ptr.
10541 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10542 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10543 * config/i386/winnt.c (i386_pe_mark_dllexport)
10544 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10546 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10548 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10550 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10554 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10555 pthread_key_delete. From John David Anglin. gthrw-ify
10556 pthread_getunique_np only if it it's not a macro. Delete
10558 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10559 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10560 __gthread_objc_condition_signal, __gthread_key_delete): Add
10561 "__attribute__ ((__unused__))" to unused arguments.
10562 (__gthread_recursive_mutex_init_function): Add missing return.
10563 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10564 gthr-posix95.h: Use macro-based approach for name redirection
10565 on targets missing weakref.
10567 2006-01-26 Zack Weinberg <zackw@panix.com>
10569 * genconditions.c (write_header): In generated code, #ifdef out
10570 all includes and fake declarations, except includes of bconfig.h
10571 and system.h, unless GCC_VERSION >= 3001. Do not include
10572 gensupport.h in any case.
10573 (write_conditions): Generate a definition of struct c_test. Add
10574 a comment to the generated #endif.
10575 (write_one_condition): Escape backslashes in string too.
10576 (write_writer): Generated code must escape backslashes and quote
10577 marks (but not newlines) in the strings it writes.
10578 * Makefile.in (build/gencondmd.o): Update dependencies.
10580 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10583 * Makefile.in (insn-automata.o): Add header file dependencies.
10584 * genautomata.c: Add includes.
10586 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10589 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10591 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10593 * configure.ac: Expect target tools paths to be passed from the toplevel
10594 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10596 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10598 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10601 * c.opt (Wpointer-sign): Init to -1.
10602 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10603 OPT_pedantic, to 0 otherwise.
10604 * doc/invoke.texi: Update.
10606 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10608 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10609 constants provided by 80387 instructions in the destination mode.
10611 2006-01-26 Richard Guenther <rguenther@suse.de>
10612 Andrew Pinski <pinskia@physics.uc.edu>
10615 partial PR tree-opt/17064
10616 * tree-ssa-structalias.c (intra_create_variable_infos):
10617 Create heap variables for incoming parameters if
10618 flag_argument_noalias > 1.
10619 (find_what_p_points_to): Look through default defs of
10622 2006-01-26 Jeff Law <law@redhat.com>
10625 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10626 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10627 within the VR_RANGE, use the VR_RANGE as the result, not the
10629 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10630 bounds for the type.
10632 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10634 * tree-ssa-alias.c (maybe_create_global_var): Change
10635 subvar walking to an assertion that we don't have subvar'd variables.
10637 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10640 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10641 Use a new variable, inner. PARM_DECLs are always non-weak.
10643 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10645 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10646 --disable-checking.
10648 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10650 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10652 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10654 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10655 (smax_insn, smin_insn, smax_0, smin_0): New.
10657 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10660 * config/cris/cris.c (cris_order_for_addsi3): New function.
10661 * config/cris/cris-protos.h: Prototype it.
10662 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10663 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10664 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10665 (split for "op.S1 [rx=rx+i],ry (swapped)")
10666 (split for "op(s|u).S1 [rx=rx+i],ry")
10667 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10668 Apply cris_order_for_addsi3 when generating addsi3 insns.
10670 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10672 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10673 (TREE_BLOCK): Add call to EXPR_CHECK.
10675 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10678 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10679 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10680 (dump_omp_clauses): ... here.
10681 (dump_generic_node): Handle OMP_CLAUSE.
10682 * tree.c (omp_clause_num_ops): New.
10683 (omp_clause_code_name): New.
10684 (tree_code_size): Handle OMP_CLAUSE.
10685 (tree_size): Likewise.
10686 (make_node): Document handling of OMP_CLAUSE.
10687 (tree_node_structure): Handle OMP_CLAUSE.
10688 (omp_clause_check_failed): New.
10689 (omp_clause_range_check_failed): New.
10690 (omp_clause_operand_check_failed): New.
10691 (build_omp_clause): New.
10692 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10693 * tree.h (enum omp_clause_code): Declare.
10694 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10695 (OMP_CLAUSE_RANGE_CHECK): Define.
10696 (OMP_CLAUSE_ELT_CHECK): Define.
10697 (omp_clause_check_failed): Declare.
10698 (omp_clause_operand_check_failed): Declare.
10699 (omp_clause_range_check_failed): Declare.
10700 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10701 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10702 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10703 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10704 (OMP_CLAUSE_IF_EXPR): Likewise.
10705 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10706 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10707 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10708 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10709 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10710 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10711 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10712 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10713 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10714 (OMP_CLAUSE_CODE): Define.
10715 (OMP_CLAUSE_SET_CODE): Define.
10716 (OMP_CLAUSE_CODE): Define.
10717 (OMP_CLAUSE_OPERAND): Define.
10718 (struct tree_omp_clause): Declare.
10719 (union tree_node): Add field 'omp_clause'.
10720 * treestruct.def (TS_OMP_CLAUSE): Define.
10721 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10722 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10723 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10724 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10725 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10726 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10727 (OMP_CLAUSE): Define.
10728 * print-tree.c (print_node): Handle OMP_CLAUSE.
10729 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10730 * c-typeck.c: Likewise.
10731 * gimplify.c: Likewise.
10732 * c-omp.c: Likewise.
10733 * tree-nested.c: Likewise.
10734 * tree-inline.c: Likewise.
10735 * c-parser.c: Likewise.
10736 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10739 2006-01-25 Roger Sayle <roger@eyesopen.com>
10741 PR rtl-optimization/25703
10742 * combine.c (try_combine): Handle zero_extract and strict_low_part
10743 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10745 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10747 * global.c: Fix comment typos.
10749 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10752 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10753 Use output_addr_const instead of assemble_name.
10755 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10757 * Makefile.in (sched-vis.o): Update dependencies.
10758 * haifa-sched.c (sched_finish): Clear current_sched_info.
10759 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10760 (dump_flow_info): Call it.
10761 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10763 * basic-block.h (dump_bb_info): Declare.
10764 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10765 option, and apply options only for dump files whose TDF_RTL,
10766 TDF_TREE, or TDF_IPA bits match.
10767 * rtl.h: Declare new functions exported from sched-vis.c.
10768 * sched-vis.c: Enable also if scheduling is not used.
10769 (print_value): Print the mode of registers if not inside scheduling.
10770 (print_insn): Make it work outside the scheduler. Beautify the output
10772 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10774 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10776 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10777 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10778 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10779 depending on the value of CONSTANT_POOL_ADDRESS_P.
10780 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10782 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10783 rather than SYMBOL_REF_DECL.
10784 (rtx_constant_pool): Remove const_rtx_sym_htab.
10785 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10786 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10787 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10788 Remove handling of const_rtx_sym_htab.
10789 (find_pool_constant): Delete.
10790 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10791 rather than find_pool_constant.
10792 (get_pool_constant_for_function): Delete.
10793 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10794 find_pool_constant.
10795 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10796 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10797 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10798 (SYMBOL_REF_CONSTANT): New macro.
10799 (get_pool_constant_for_function): Delete.
10800 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10801 rather than SYMBOL_REF_DECL.
10802 (i386_pe_mark_dllimport): Likewise.
10803 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10804 rather than SYMBOL_REF_DECL.
10805 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10806 (machopic_indirect_call_target): Likewise.
10808 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10810 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10812 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10814 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10816 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10818 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10820 2006-01-24 David Daney <ddaney@avtrex.com>
10823 * configure.ac (enable_tls): New enable option.
10824 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10825 * configure: Regenerate.
10826 * doc/install.texi (--enable-tls): Document new option.
10827 (--disable-tls): Ditto.
10829 2006-01-24 Richard Henderson <rth@redehat.com>
10831 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10832 * alias.c (true_dependence): Respect it.
10833 (canon_true_dependence, write_dependence_p): Likewise.
10834 * builtins.c (get_builtin_sync_mem): Set it.
10836 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10838 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10841 2006-01-24 DJ Delorie <dj@redhat.com>
10843 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10844 for storing constants in single-bit bitfields.
10846 2006-01-25 Ben Elliston <bje@au.ibm.com>
10848 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10850 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10853 * tree-ssa-pre.c (phi_translate): Return NULL
10854 for AGGREGATE_TYPE's.
10856 2006-01-24 Zack Weinberg <zackw@panix.com>
10858 * genautomata.c (process_state_for_insn_equiv_partition):
10859 Use xcalloc for insn_arcs_array.
10860 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10861 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10863 2006-01-24 Richard Henderson <rth@redhat.com>
10865 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10866 update all callers.
10868 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10870 PR rtl-optimization/25890
10871 PR rtl-optimization/25905
10872 * combine.c (expand_compound_operation, expand_field_assignment):
10873 Fail if the bitfield's final position is out of bounds.
10875 2006-01-24 Ian Lance Taylor <ian@airs.com>
10877 PR middle-end/25930
10878 * cgraphunit.c (cgraph_output_in_order): Don't clear
10879 cgraph_asm_nodes until after asm strings have been output.
10881 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10883 * fix-header.c (read_scan_file): Add new parameter imultilib when
10884 calling register_include_chains.
10886 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10888 * omp-low.c: Update documentation.
10890 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10891 Daniel Berlin <dberlin@dberlin.org>
10895 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10896 return from the function.
10898 2006-01-22 Zack Weinberg <zackw@panix.com>
10900 * rtl.def (match_code): Add second argument.
10901 * genpreds.c (write_extract_subexp): New function.
10902 (write_match_code): Add path argument. Use write_extract_subexp.
10903 (write_predicate_expr): Pass path to write_match_code.
10904 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10905 not perform a mode test.
10906 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10907 a subexpression does not constrain the top-level code set.
10908 * read-rtl.c (read_rtx_variadic): New function.
10909 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10910 * doc/md.texi: Document new notation.
10911 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10912 (cmpsi_operand): ... here, using new notation.
10914 2006-01-22 Zack Weinberg <zackw@panix.com>
10916 * varray.c: Remove GENERATOR_FILE #ifdefs.
10918 2006-01-22 Zack Weinberg <zackw@panix.com>
10920 * genautomata.c (output_reserved_units_table): Emit nothing if
10921 description->query_units_num is zero. Remove extra blank line.
10922 (output_cpu_unit_reservation_p): Short circuit
10923 if description->query_units_num is zero.
10925 2006-01-22 Zack Weinberg <zackw@panix.com>
10927 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10928 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10929 nor any of the random handful of variables that used to be necessary
10930 when this program was linked with rtlanal.o. Prune set of forward
10931 function declarations.
10932 (struct attr_desc): Remove static_p field.
10933 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10934 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10935 (attr_string): Do not read the character one past the length of
10937 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10938 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10939 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10940 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10941 (make_automaton_attrs): New.
10942 (main): Do not call into genautomata. Call local gen_bypass
10943 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10944 Remove special case for insn_alts.
10945 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10946 varray.h (leftover from previous change). Prune set of forward
10947 function declarations. Remove state_alts fields from all
10948 structures. Remove state_alts_table from struct automaton.
10949 Make everything except main static. Do not maintain num_dfa_decls.
10950 Do not maintain state_alts fields of various structures.
10951 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10952 (add_arc): Remove state_alts argument. All callers updated.
10953 (output_reserved_units_table): Emit #ifdef here...
10954 (output_tables): ...not here. Don't generate state_alts tables.
10955 (expand_automata): Don't generate attributes.
10956 (write_automata): Don't generate state_alts functions.
10957 (main): New function.
10958 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10959 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10960 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10961 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10962 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10963 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10964 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10965 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10967 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10968 * genattrtab.h: Delete file.
10969 * Makefile.in (OBJS-common): Add insn-automata.o.
10970 (insn-automata.o): New rule.
10971 (simple_generated_c): Add insn-automata.c.
10972 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10973 (genprogmd): Add automata.
10974 (build/genattrtab): Needs no extra objects nor libraries.
10975 (build/genautomata): Needs build/vec.o and -lm.
10977 2006-01-22 Zack Weinberg <zackw@panix.com>
10979 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10980 (output_dfa_max_issue_rate, locked_states_num): Delete.
10981 (struct automaton): Add locked_states field.
10982 (output_dead_lock_vect): Save number of locked states in
10983 automaton->locked_states. If it is zero, don't print anything.
10984 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10985 (output_internal_dead_lock_func): Only test the dead_lock_vect
10986 for automata that have locked states.
10987 (output_statistics): Always print the number of locked states for
10988 each automaton. Calculate total number of locked states here.
10989 (write_automata): Don't call output_dfa_max_issue_rate.
10990 * genattrtab.c: Define length_unit_log as a const variable.
10991 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10992 max_insn_queue_index const.
10993 * final.c (length_unit_log): Declare const.
10994 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10996 2006-01-22 Zack Weinberg <zackw@panix.com>
10998 * genautomata.c: Include vec.h, not varray.h.
10999 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11000 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11001 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11002 VEC_* macros operating on appropriately typed vectors, or to
11003 malloced arrays when the size is known in advance. Const-ify
11004 many char* variables and function arguments. No functional changes.
11005 * Makefile.in (build/varray.o): Delete rule.
11006 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11007 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11009 2006-01-22 Zack Weinberg <zackw@panix.com>
11011 * gensupport.c: Define get_insn_name and record_insn_name here.
11012 (read_md_rtx): Call record_insn_name as appropriate.
11013 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11014 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11015 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11017 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11018 (BUILD_VARRAY): Delete.
11019 (genprognormal): Rename genprogmd. Fold in all programs from
11020 genprognoprint; also attrtab.
11021 (build/genattrtab): Just mention genautomata.o and varray.o.
11022 Reorganize a bit, add comments to make the categories clearer.
11024 2006-01-22 Zack Weinberg <zackw@panix.com>
11026 * genconditions.c (condition_table, add_condition): Delete.
11027 (write_conditions): Don't emit n_insn_conditions nor
11028 insn_elision_unavailable. Issue the gcc version #ifdef here,
11029 inside the table, with no #else clause ...
11030 (write_header): ...not here.
11031 (write_writer): New function.
11032 (main): Don't initialize condition_table. Use add_c_test.
11034 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11035 files on the command line.
11036 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11037 Return -1 if there is no entry in the table, don't abort.
11038 (add_c_test, traverse_c_tests): New functions.
11039 * gensupport.h (insn_elision_unavailable, insn_conditions)
11040 (n_insn_conditions): Delete declarations.
11041 (add_c_test, traverse_c_tests): Declare.
11042 * read-rtl.c: Include gensupport.h.
11043 (read_conditions): New function.
11044 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11045 (read_rtx_1): If we get EOF when we were looking for an initial
11046 open paren, return 0. Call read_conditions when appropriate.
11047 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11048 dummy-conditions.o. Eliminate references to insn-conditions.o,
11049 or change them to build/gencondmd.o, as appropriate. Remove
11050 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11051 from $(simple_generated_c). For all files remaining in those
11052 two lists, add insn-conditions.md to the generator command line.
11053 Give insn-constants.h/s-constants their own rules. Add rules
11054 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11055 (build/read-rtl.o): Depend on gensupport.h.
11056 (genprognormal): Include preds.
11057 (genprogearly): Rename genprognoprint; only difference is now that
11058 they don't link with $(BUILD_PRINT).
11059 * dummy-conditions.c: Delete.
11061 2006-01-22 Zack Weinberg <zackw@panix.com>
11063 * genextract.c: Don't include insn-config.h. Do include vec.h.
11064 Declare vectors of int, char, and locstr.
11065 (locstr): New typedef.
11066 (struct extraction): Make all array fields into bare pointers.
11067 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11068 (insn_code_number): Delete.
11069 (accum_extract): New struct.
11070 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11071 (gen_insn): Take insn_code_number as an argument. Use an
11072 accum_extract structure instead of loading data directly into
11073 a struct extraction, and having to know how big it might get.
11074 (walk_rtx): Operate entirely on an accum_extract structure.
11075 (print_path): Avoid unnecessary use of printf.
11076 (print_header): New function, split out of main. Distinguish
11077 more carefully between an unrecognizable insn and an insn that
11078 has the code number of a define_expand.
11079 (main): Pass insn_code_number to gen_insn. Call print_header
11080 only after parsing. Avoid unnecessary use of printf.
11081 * Makefile.in (build/vec.o): New rule.
11082 (build/genextract): Depend on build/vec.o.
11083 (build/genextract.o): Don't depend on insn-config.h.
11085 2006-01-22 Zack Weinberg <zackw@panix.com>
11087 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11088 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11089 practical. Eliminate per-generator-program link rules.
11091 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11093 PR middle-end/24437
11094 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11095 with a call expr to ...
11096 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11098 2006-01-23 Richard Guenther <rguenther@suse.de>
11100 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11101 before make_edge with conditional EDGE_TRUE_VALUE.
11103 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11104 Jan Hubicka <jh@suse.cz>
11105 Richard Guenther <rguenther@suse.de>
11107 PR rtl-optimization/25654
11108 * cfgexpand.c (aggregate_contains_union_type): New function.
11109 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11110 for structure variables that contain a union type.
11112 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11114 * gengtype.c (new_structure): Return the structure.
11115 (create_option): Add an extra "next" argument.
11116 (create_field): New function.
11117 (adjust_field_rtx_def): Use create_option and create_field.
11118 Remove a now-unnecessary call to find_structure.
11119 (adjust_field_tree_def): Likewise.
11120 (note_yacc_type): Remove an unnecessary call to find_structure.
11121 * gengtype.h (new_structure): Return the structure.
11122 (create_option): Add an extra argument.
11123 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11124 (option): Adjust calls to create_option.
11126 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11128 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11130 2006-01-22 Paul Brook <paul@codesourcery.com>
11131 Peter Barada <peter@the-baradas.com>
11133 * config/m68k/m68k.md: Add Coldfire FPU support.
11134 Define FP mode macro and associated attributes.
11135 Use it for float mode patterns.
11136 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11137 (LIBCALL_VALUE): Use m68k_libcall_value.
11138 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11139 (m68k_function_value): Ditto.
11140 (emit_move_sequence): Ditto.
11141 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11142 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11143 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11144 (MULTILIB_EXCEPTIONS): Ditto.
11145 * config/m68k/m68k.opt: Add mcfv4e.
11146 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11147 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11148 (m68k_output_function_prologue): Save ColdFire FPU registers.
11149 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11150 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11151 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11152 ColdFire FPU registers.
11153 (m68k_libcall_value, m68k_function_value): New functions.
11154 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11155 (LIBCALL_VALUE): Use m68k_libcall_value.
11156 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11157 (MASK_COLDFIRE): Add MASK_CFV4E.
11158 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11159 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11160 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11161 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11162 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11163 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11164 * doc/invoke.tex: Document -mcfv4e on m68k.
11166 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11168 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11171 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11174 * c-opts.c (c_common_handle_option): Don't include
11175 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11176 * doc/invoke.texi (C++ Dialect Options): Document that
11177 -Wnon-virtual-dtor is no longer included in -Wall.
11179 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11181 * gcov.c (print_version), gcov-dump.c (print_version),
11182 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11185 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11187 * df-scan.c (problem_SCAN): Added NULL reset function.
11188 (df_scan_reset_blocks): Added code to call reset block function
11189 (df_bb_refs_delete) Fixed comment.
11190 (df_insn_refs_delete): Made tolerant of deleting non existent info
11191 for dataflow problems that need to be reset.
11192 * df-core.c (df_set_blocks): Ditto.
11193 * df.h (struct df_problem): Added reset_fun.
11194 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11195 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11196 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11197 functions to clear out all references to def-use or use-def chains.
11199 2006-01-21 Ben Elliston <bje@au.ibm.com>
11201 * varasm.c (assemble_real): Initialise data array.
11203 2006-01-20 Paul Brook <paul@codesourcery.com>
11205 Merge from csl-arm-branch.
11206 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11207 * config/arm/arm.md (movdi): Force operands[1] to a register
11208 if we have a non-register source.
11209 (*arm_movdi, *movdf_soft_insn): Require that one of the
11210 operands be a register.
11211 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11212 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11214 2006-01-20 DJ Delorie <dj@redhat.com>
11216 * varasm.c (initializer_constant_valid_p): Allow pointers
11217 initialized from integer constants of lesser precision.
11218 (output_constant): Allow non-int-sized pointer modes to be
11219 initialized from integer constants.
11221 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11224 * cppdefault.h (struct default_include): Add multilib flag.
11225 * cppdefault.c (cpp_include_defaults): Set it.
11226 * c.opt (-imultilib): New option.
11227 * c-opts.c (imultilib): New.
11228 (c_common_handle_option): Handle -imultilib.
11229 (c_common_post_options): Likewise.
11230 * c-incpath.c (add_standard_paths, register_include_chains):
11232 * c-incpath.h (register_include_chains): Add extra parameter.
11233 * gcc.c (do_spec_1): Generate -imultilib option.
11234 (The Specs Language): Update %I description.
11235 (process_command): Update copyright notice.
11236 * doc/cppopts.texi (-imultilib): Document.
11237 * doc/invoke.texi (-imultilib): Include in option summary.
11238 (%I): Update specs documentation.
11240 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11242 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11244 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11246 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11249 2006-01-20 Richard Guenther <rguenther@suse.de>
11250 Steven Bosscher <stevenb.gcc@gmail.com>
11252 PR rtl-optimization/24626
11253 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11254 EDGE_TRUE_VALUE if in RTL mode.
11257 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11258 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11260 2006-01-20 Dirk Mueller <dmueller@suse.com>
11263 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11264 instead of a special NOP marker.
11265 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11266 NOP marker handling.
11267 * c-common.h (empty_body_warning): Add forward declaration.
11268 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11269 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11271 2006-01-20 Paul Brook <paul@codesourcery.com>
11273 * Makefile.in (lang_checks): Keep going if mkdir fails.
11275 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11277 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11278 be able to clean out basic block when not necessary.
11279 (df_scan_free): Fixed to properly delete information if df is
11280 unused before calling df_finish.
11281 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11282 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11284 (df_bb_refs_delete): New function.
11285 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11286 * df-core.c (df_set_blocks): Added code to properly clean out
11287 unused blocks if they are not part of the blocks to consider.
11288 Added additional null check.
11289 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11290 be able to clean out basic block when not necessary
11291 * df.h (df_free_bb_function): Ditto.
11292 (df_bb_refs_delete): New function.
11293 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11294 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11295 basic block parameter to be able to clean out basic block when not
11297 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11298 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11299 Fixed to properly delete information if df is unused before
11302 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11304 PR rtl-optimization/25799
11305 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11306 Corrected confluence operator to remove bits from op2 before oring
11307 with op1 rather than removing bits from op1.
11308 (df_ru_transfer_function): Corrected test on wrong bitmap which
11309 caused infinite loop. Both of these problems were introduced in
11310 the dataflow rewrite.
11312 2006-01-19 DJ Delorie <dj@redhat.com>
11314 * reload1.c (find_reload_regs): Note the details of reload
11315 failures in the dump file.
11316 (spill_failure): Likewise.
11318 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11320 * loop-iv.c: Include df.h and hashtab.h.
11321 (enum iv_grd_result): New enum.
11322 (DF_REF_IV, DF_REF_IV_SET): New macros.
11323 (struct biv_entry): New.
11324 (df, bivs): New global variables.
11325 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11326 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11328 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11329 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11330 analyzed_for_bivness_p, record_biv): New functions.
11331 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11332 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11333 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11335 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11337 (iv_number_of_iterations): Use new interface to iv analysis.
11338 * loop-unroll.c: Do not include varray.h.
11339 (analyze_iv_to_split_insn): Use new interface to iv
11341 * loop-unswitch.c (may_unswitch_on): Ditto.
11342 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11344 (df_bb_modify): Realloc tables to the new index.
11345 (df_find_use): New function.
11346 * df.h (df_find_use): Declare.
11347 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11349 * cfgloop.h (struct rtx_iv): Remove analysed field.
11350 (iv_get_reaching_def): Removed.
11351 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11352 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11353 (loop-iv.o): Add df.h and hashtab.h dependency.
11354 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11356 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11359 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11361 (__floatundisf, __floatundidf): Likewise.
11362 * libgcc2.h (IS_IBM_EXTENDED): Define.
11364 2006-01-19 DJ Delorie <dj@redhat.com>
11366 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11368 2006-01-19 Paul Brook <paul@codesourcery.com>
11370 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11371 as nothrow when unwinding tables are disabled.
11373 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11376 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11377 of bit-field" when in system header.
11379 2006-01-19 DJ Delorie <dj@redhat.com>
11381 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11382 the 16 bit shift limit of the m16c.
11384 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11387 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11388 * config/i386/i386.c (output_set_got): Output the label if we have one
11389 for the TARGET_DEEP_BRANCH_PREDICTION case.
11391 2006-01-19 Jan Hubicka <jh@suse.cz>
11392 H.J. Lu <hongjiu.lu@intel.com>
11393 Evandro Menezes <evandro.menezes@amd.com>
11395 * invoke.texi (generic): Document
11397 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11398 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11399 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11400 (x86_use_incdec, x86_pad_returns): New variables
11401 (TARGET_CPU_DEFAULT_generic): New constant
11402 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11403 (enum processor_type): Add generic32 and generic64.
11404 * i386.md (cpu attribute): Add generic32/generic64
11405 (movhi splitter): Behave sanely when both partial_reg_dependency and
11406 partial_reg_stall are set.
11407 (K8 splitters): Enable for generic as well.
11408 * predicates.md (incdec_operand): Use TARGET_INCDEC
11409 (aligned_operand): Avoid memory mismatch stalls.
11410 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11411 * ppro.md: Enable for generic32
11412 * i386.c (generic64_cost, generic32_cost): New.
11413 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11414 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11415 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11416 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11417 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11418 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11419 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11420 x86_accumulate_outgoing_args, x86_prologue_using_move,
11421 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11422 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11423 Enable for generic.
11424 (x86_use_incdec, x86_pad_returns): New.
11425 (override_options): Add generic32 and generic64, translate "generic"
11426 to generic32/generic64 and "i686" to "generic32", refuse
11427 "generic32"/"generic64" as arch target.
11428 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11429 (ix86_reorg): Honor PAD_RETURNS.
11431 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11433 * tree-pretty-print.c (dump_generic_node): Handle
11434 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11435 * cgraph.c (cgraph_expand_queue): Rename from
11436 cgraph_analyze_queue. Update all users.
11437 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11438 cgraph_expand_queue.
11439 (cgraph_expand_all_functions): Likewise.
11440 (cgraph_finalize_pending_functions): Remove. Update callers.
11442 * tree.h (OMP_DIRECTIVE_P): Define.
11443 (OMP_PARALLEL_FN): Define.
11444 (OMP_PARALLEL_DATA_ARG): Define.
11445 (OMP_SECTIONS_SECTIONS): Define.
11446 * tree-pass.h (pass_expand_omp): Declare.
11447 * omp-low.c (struct omp_region): Declare.
11448 (struct omp_context): Remove fields 'parallel_type',
11449 'parallel_start_ix' and 'parallel_start_additional_args'.
11451 (struct omp_for_data): Rename from struct expand_omp_for_data.
11452 (omp_regions): New static variable.
11453 (root_omp_region): New static variable.
11454 (find_omp_clause): Make static.
11455 (is_in_combined_parallel_ctx): Remove.
11456 (is_combined_parallel): New.
11457 (extract_omp_for_data): Move earlier in the file.
11458 (workshare_safe_to_combine_p): New.
11459 (get_ws_args_for): New.
11460 (determine_parallel_type): Move earlier in the file.
11461 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11463 (omp_copy_decl): Likewise.
11464 (create_omp_child_function): Likewise.
11465 (lookup_omp_region): New.
11466 (dump_omp_region): New.
11467 (debug_omp_region): New.
11468 (debug_all_omp_regions): New.
11469 (new_omp_region): New.
11470 (scan_omp_parallel): If parallel_nesting_level > 1, the
11471 directive is nested within another parallel directive.
11472 Set OMP_PARALLEL_FN.
11473 (scan_omp_for): Do not try to handle combined parallel+for
11475 Remove FIXME comment.
11476 (scan_omp_nested): Remove.
11477 (scan_omp_1): Do not call scan_omp_nested when
11478 parallel_nesting_level is > 1.
11479 Do not change the DECL_CONTEXT of local variables found.
11480 (lookup_decl_in_outer_ctx): New.
11481 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11482 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11483 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11484 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11485 If CTX is nested, lookup VAR in the outer context when
11486 building copy assignment.
11487 (lower_send_clauses): Rename from expand_send_clauses.
11488 If CTX is nested, lookup VAR in the outer context when
11489 building copy assignments.
11490 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11491 If CTX is nested, lookup VAR in the outer context when
11492 building copy assignments.
11493 (expand_parallel_call): Rename from build_parallel_call.
11494 Handle combined parallel+workshare cases.
11495 Re-implement to emit code into the CFG.
11497 (expand_omp_parallel): Re-implement to emit code into the CFG.
11498 Call move_sese_region_to_fn to outline the sub-graph
11499 containing the parallel region.
11500 (expand_omp_for_1): Remove.
11501 (expand_omp_for_generic): Re-implement to emit code into the
11503 (expand_omp_for_static_nochunk): Likewise.
11504 (expand_omp_for_static_chunk): Likewise.
11505 (expand_omp_for): Likewise.
11506 (expand_omp_sections): Likewise.
11507 (remove_exit_barriers): New.
11508 (expand_omp_synch): New.
11510 (build_omp_regions_1): New.
11511 (build_omp_regions): New.
11512 (execute_expand_omp): New.
11513 (gate_expand_omp): New.
11514 (pass_expand_omp): Define.
11515 (lower_omp_sections): Rename from expand_omp_sections.
11516 Set OMP_SECTIONS_SECTIONS.
11517 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11518 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11519 (lower_omp_single): Rename from expand_omp_simple.
11520 (lower_omp_master): Rename from expand_omp_master.
11521 (lower_omp_ordered): Rename from expand_omp_ordered.
11522 (lower_omp_critical): Rename from expand_omp_critical.
11523 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11524 (lower_omp_for): Re-implement.
11525 (lower_omp_parallel): Re-implement.
11526 (lower_regimplify): Rename from expand_regimplify.
11527 (lower_omp_1): Rename from expand_omp_1.
11528 If there are syntax errors in the program, replace every
11529 OpenMP directive with NOP.
11530 Call lower_omp_* instead of expand_omp_*.
11531 (lower_omp): Rename from expand_omp.
11533 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11534 * tree-gimple.h (enum omp_parallel_type): Remove.
11535 (gimple_boolify): Declare extern.
11536 (find_omp_clause, determine_parallel_type): Remove.
11538 * gimple-low.c (lower_omp_directive): New.
11539 (lower_stmt): Call it.
11540 (record_vars_into): Move from ...
11541 (record_vars): ... here.
11542 Call record_vars_into with current_function_decl.
11544 * gimplify.c (struct gimplify_ctx): Remove fields
11545 combined_pre_p and combined_ctxp. Update users.
11546 (get_formal_tmp_var): Add documentation.
11547 (gimple_boolify): Make extern.
11548 (gimplify_expr_in_ctx): Remove. Update callers.
11549 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11550 will always be a BIND_EXPR.
11551 (gimplify_expr): Handle OMP_RETURN_EXPR.
11552 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11553 (OMP_PARALLEL): Add 3 operands.
11554 (OMP_SECTIONS): Add 1 operand.
11555 (OMP_RETURN_EXPR): Define.
11557 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11558 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11559 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11560 creating a circular free list.
11561 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11563 * tree-flow.h (move_sese_region_to_fn): Declare.
11564 (record_vars_into): Declare.
11565 * tree-cfg.c (make_omp_sections_edges): New.
11566 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11567 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11568 OMP_SECTIONS and OMP_SECTION.
11569 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11570 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11571 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11572 (gather_blocks_in_sese_region): New.
11573 (struct move_stmt_d): Declare.
11574 (move_stmt_r): New.
11575 (move_block_to_fn): New.
11576 (move_sese_region_to_fn): New.
11578 * passes.c (init_optimization_passes): Schedule
11579 pass_expand_omp after pass_init_datastructures.
11581 * tree-ssa-operands.c (get_expr_operands): Handle
11582 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11583 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11585 2006-01-19 Jeff Law <law@redhat.com>
11587 * tree-vrp.c (extract_range_from_assert): Refine the result range
11588 if the variable referenced by the ASSERT_EXPR has a range and
11589 either the tentative result range or the previous range is a
11592 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11594 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11596 2006-01-19 Jan Hubicka <jh@suse.cz>
11598 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11600 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11602 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11603 (expand_compound_operation, expand_field_assignment): Fail if the
11604 bit lengths of an extract operation are out of range.
11605 (make_extraction): Compute wanted_inner_mode based on the position
11606 and length of the extraction. Make it extraction_mode for non-constant
11607 positions, and do not modify offset in that case. When generating a
11608 new MEM, use a mode that can hold the extraction while keeping correct
11609 alignment. Remove code that supported MEMs wrapped by USEs.
11610 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11612 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11614 * config/s390/s390.md ("Y", "y"): New mode attribute.
11615 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11616 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11617 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11618 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11619 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11620 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11621 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11622 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11623 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11624 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11625 "addsi3", "subsi3"): Insn patterns removed.
11626 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11627 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11628 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11629 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11630 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11631 "*sub<mode>3_cconly2"): New insn patterns.
11632 ("addsi3", "subsi3"): New expanders.
11634 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11636 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11637 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11638 existing STMT_VINFO_VECTYPE if available.
11639 (vect_mark_relevant): Add special handling for stmts that are
11640 marked as STMT_VINFO_IN_PATTERN_P.
11641 (vect_analyze_loop): Call vect_pattern_recog.
11642 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11643 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11645 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11646 (vect_recog_func_ptr): New function-pointer type.
11647 * tree-vect-patterns.c: New file.
11648 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11649 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11650 (vect_pattern_recog_1): New functions.
11651 (vect_pattern_recog_funcs): New array of function pointers.
11653 * tree-vectorizer.h (ternary_op): New enum value.
11654 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11655 declaration. Revised documentation. Removed redundant dump prints.
11656 Removed redundant argument. Added support for reduction patterns.
11657 (vectorizable_reduction): Added support for reduction patterns.
11658 (vect_transform_stmt): Added support for patterns.
11660 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11661 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11662 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11663 (expand_widen_pattern_expr): New function.
11664 (init_optabs): Initialize new optabs udot_prod_optab,
11666 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11667 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11668 (expand_widen_pattern_expr): New function declaration.
11669 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11671 * tree-inline.c (estimate_num_insns_1): Added cases for new
11672 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11673 * tree-pretty-print.c (dump_generic_node): Likewise.
11674 (op_prio): Likewise.
11675 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11676 * tree-ssa-operands.c (get_expr_operands): Added case for
11678 * tree-vect-patterns.c (widened_name_p): New function.
11679 (vect_recog_dot_prod_pattern): Added function implementation.
11680 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11681 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11682 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11683 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11685 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11686 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11687 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11688 (init_optabs): Initialize new optabs widen_ssum_optab,
11690 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11691 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11692 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11693 use instead of type of def.
11694 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11695 function implementation.
11696 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11697 widen_ssumv8hi): New.
11699 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11702 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11705 * c-decl.c (add_flexible_array_elts_to_size): New function.
11706 (finish_decl): Use it.
11708 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11710 * diagnostic.h: Include options.h.
11711 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11712 dependancies for diagnostic.h.
11713 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11715 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11717 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11718 (ssa_ro_call_cache_valid): Ditto.
11719 * tree-ssa-alias.c (sort_tags_by_id): New function.
11720 (init_transitive_clobber_worklist): Ditto.
11721 (add_to_worklist): Ditto.
11722 (mark_aliases_call_clobbered): Ditto.
11723 (compute_tag_properties): Ditto.
11724 (set_initial_properties): Ditto.
11725 (compute_call_clobbered): Ditto.
11726 (compute_may_aliases): Call compute_call_clobbered and grouping.
11727 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11728 (compute_flow_insensitive_aliasing): Grouping now happens in our
11730 (setup_pointers_and_addressables): Remove clobbering related code.
11731 (add_may_alias): Ditto.
11732 (replace_may_alias): Ditto.
11733 (get_nmt_for): Ditto.
11734 (create_global_var):
11735 (is_escape_site): Return an escape_type enumeration.
11736 * tree-flow-inline.h (is_call_clobbered): Global var does not
11737 imply call clobbered.
11738 (mark_call_clobbered): Take a reason for marking this. Remove
11739 marking of globalness, and cache invalidation.
11740 (clear_call_clobbered): Remove cache invalidation code.
11741 * tree-dfa.c (dump_variable): If details is on, dump the reason
11743 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11745 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11746 (struct var_ann_d): Ditto.
11747 (enum escape_type): New.
11748 (mark_call_clobbered): Adjust prototype.
11749 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11750 are never call clobbered.
11751 Record reasons for escaping.
11752 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11753 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11754 (ssa_ro_call_cache_valid): Ditto.
11755 (clobbered_v_may_defs): Ditto.
11756 (clobbered_vuses): Ditto.
11757 (ro_call_vuses): Ditto.
11758 (clobber_stats): New.
11759 (init_ssa_operands): Zero out clobber stats.
11760 (fini_ssa_operands): Print out clobber stats.
11761 (get_call_expr_operands): Pass callee fndecl to
11762 add_call_read_ops).
11763 (add_call_clobber_ops): Remove use of cache.
11764 Add use of PURE_CONST information.
11765 (add_call_read_ops): Remove use of cache.
11766 Add use of static not_read information.
11768 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11770 Introduce TLS descriptors for i386 and x86_64.
11771 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11772 (TARGET_ANY_GNU_TLS): New macro.
11773 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11774 (struct machine_function): Add tls_descriptor_call_expanded_p.
11775 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11776 (ix86_current_function_calls_tls_descriptor): Likewise.
11777 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11778 (override_options): Introduce gnu2 tls dialect.
11779 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11781 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11783 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11784 (ix86_init_machine_status): Initialize new field.
11785 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11786 (ix86_tls_module_base): New.
11787 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11788 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11789 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11790 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11791 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11792 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11793 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11794 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11795 * config/i386/predicates.md (tls_modbase_operand): New.
11796 (tp_or_register_operand): New.
11798 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11800 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11801 (look_for_address_of): Ditto.
11802 (ipa_init): Walk the function decls.
11803 (static_execute): Don't set readonly on FUNCTION_DECL's.
11805 2006-01-18 Roger Sayle <roger@eyesopen.com>
11807 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11808 for shifts where the source and destination registers are different.
11810 2006-01-18 Paul Brook <paul@codesourcery.com>
11812 Merge from csl-arm-branch.
11813 2005-03-14 Julian Brown <julian@codesourcery.com>
11814 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11815 (aeabi_llsl): Likewise.
11816 (ashrdi3): Likewise.
11817 (aeabi_lasr): Likewise.
11818 (lshrdi3): Likewise.
11819 (aeabi_llsr): Likewise.
11820 2005-03-10 Julian Brown <julian@codesourcery.com>
11821 * config.gcc: Disable shared libgcc for SymbianOS.
11822 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11824 2006-01-18 DJ Delorie <dj@redhat.com>
11826 * c-pragma.c (handle_pragma_diagnostic): New.
11827 (init_pragma): Register it.
11828 * doc/extend.texi: Document it.
11830 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11831 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11832 (diagnostic_context): Add classify_diagnostic[].
11833 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11834 as errors if they're overridden to DK_WARNING.
11835 (diagnostic_initialize): Initialize classify_diagnostic[].
11836 (diagnostic_set_kind_override): New.
11837 (diagnostic_report_diagnostic): Check for kind changes.
11838 * opts.c (common_handle_option): Take lang_mask. Update callers.
11839 Handle OPT_Werror_.
11840 * common.opt (Werror=): New.
11841 * doc/invoke.texi: Document -Werror=*
11843 2006-01-18 Jeff Law <law@redhat.com>
11845 * tree-vrp.c (test_for_singularity): Correct test for new
11846 min limit. Use operand_equal_p rather than pointer equality
11847 for testing if new min/max values are equal.
11849 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11850 using range information until after propagation and folding.
11852 2006-01-18 Richard Henderson <rth@redhat.com>
11853 Aldy Hernandez <aldyh@redhat.com>
11854 Jakub Jelinek <jakub@redhat.com>
11855 Diego Novillo <dnovillo@redhat.com>
11857 * omp-low.c: New file.
11858 * c-omp.c: New file.
11860 2006-01-18 Richard Henderson <rth@redhat.com>
11861 Jakub Jelinek <jakub@redhat.com>
11862 Diego Novillo <dnovillo@redhat.com>
11864 * doc/invoke.texi: Document -fopenmp.
11865 * tree-dump.h (debug_function): Declare.
11866 * hooks.c (hook_bool_tree_bool_false): New function.
11867 (hook_tree_tree_null): Remove.
11868 (hook_tree_tree_tree_null): New.
11869 * hooks.h: Update to match.
11870 * tree-pretty-print.c (debug_tree_chain): New.
11871 (print_generic_expr): Handle TDF_CHAIN.
11872 (dump_generic_node): Handle BLOCK.
11873 Do not abort with incomplete SWITCH_EXPRs.
11874 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11875 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11876 print space after directive name.
11877 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11878 Handle OMP_MASTER and OMP_ORDERED.
11879 Handle printing of OMP_BODY just in one place, goto
11880 dump_omp_body in the rest of OMP_* nodes that have
11882 Don't handle clause nodes here. Update omp statements to
11883 use dump_omp_clauses.
11884 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11885 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11886 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11887 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11888 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11889 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11890 Adjust output for GOMP_PARALLEL.
11891 (dump_omp_clauses): New.
11892 (print_declaration): Dump DECL_VALUE_EXPR.
11893 (op_symbol_1): Split out of op_symbol.
11894 (dumping_stmts): Remove. Update all users.
11895 * cgraph.c (cgraph_analyze_queue): New.
11896 (cgraph_add_new_function): New.
11897 * cgraph.h (cgraph_analyze_queue): Declare.
11898 (cgraph_add_new_function): Declare.
11899 (cgraph_lower_function): Remove.
11900 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11901 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11902 and TYPE_P nodes in its default clause.
11903 (empty_body_p): New.
11904 (tree_range_check_failed): New.
11905 (build5_stat): New.
11906 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11907 OMP_CLAUSE_REDUCTION_MERGE,
11908 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11909 OMP_CLAUSE_PRIVATE_DEBUG,
11910 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11911 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11912 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11913 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11914 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11915 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11916 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11917 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11918 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11919 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11920 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11921 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11922 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11923 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11924 (TREE_RANGE_CHECK): New.
11925 (empty_body_p): Declare.
11926 (enum omp_clause_default_kind): New.
11927 (build_string_literal): Declare.
11928 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11929 (build5_stat, build5): Declare.
11930 * tree-pass.h (TDF_CHAIN): Define.
11931 * tree-pass.h (PROP_gimple_lomp): Define.
11932 (pass_lower_omp): Declare.
11933 * diagnostic.h (debug_tree_chain): Declare.
11934 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11936 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11937 * builtins.c (build_string_literal): Make extern.
11938 * gcc.c (include_spec_function): New.
11939 (static_spec_functions): Add it.
11940 (main): Move load of libgomp.spec ...
11941 (LINK_COMMAND_SPEC): ... here.
11942 (link_gomp_spec): New.
11943 (static_specs): Include it.
11944 (LINK_COMMAND_SPEC): Add link_gomp.
11945 (GOMP_SELF_SPECS): New.
11946 (driver_self_specs): Include it.
11947 (switch_matches): Don't mark inline.
11948 (main): Load libgomp.spec.
11949 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11950 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11951 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11952 * tree-gimple.h (enum omp_parallel): Declare.
11953 (determine_parallel_type): Declare.
11954 (omp_firstprivatize_variable): Declare.
11955 (omp_reduction_init): Declare.
11956 (diagnose_omp_structured_block_errors): Declare.
11957 (struct walk_stmt_info): Add want_return_expr.
11958 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11959 (find_omp_clause): Declare.
11960 (insert_field_into_struct): Declare.
11961 (struct walk_stmt_info): Move from tree-nested.c
11962 (walk_stmts): Declare.
11963 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11965 * cgraphunit.c (cgraph_lower_function): Make static.
11966 (cgraph_finalize_pending_functions): New.
11967 (cgraph_finalize_function): Call it.
11968 (cgraph_finalize_compilation_unit): Likewise.
11969 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11970 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11971 (BT_FN_UINT_UINT): New.
11972 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11973 DEF_FUNCTION_TYPE_VAR_4): Document.
11974 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11975 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11976 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11977 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11978 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11979 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11980 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11981 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11982 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11983 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11984 into separate files.
11985 (DEF_GOMP_BUILTIN): New.
11986 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11987 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11988 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11989 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11990 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11991 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11992 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11993 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11994 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11995 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11996 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11997 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11998 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11999 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12000 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12001 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12002 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12003 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12004 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12005 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12006 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12007 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12008 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12009 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12010 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12011 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12012 * sync-builtins.def: New file, moved from builtins.def.
12013 * omp-builtins.def: New file, moved from builtins.def.
12014 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12015 * gimple-low.c (lower_function_body): Clear data.
12016 (lower_stmt): Do not handle COMPOUND_EXPR.
12017 Remove call to print_node_brief.
12018 * c-tree.h (c_finish_omp_clauses): New prototype.
12019 (C_DECL_THREADPRIVATE_P): Define.
12020 (lookup_name_no_remap, c_omp_remap_private): Remove
12021 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12022 (check_for_loop_decls): Update decl.
12023 (lookup_name_no_remap, c_omp_remap_private): Declare.
12024 (build_indirect_ref, build_modify_expr, pushdecl,
12025 pushdecl_top_level): Move to c-common.h.
12026 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12027 before the switch, but just in the 2 places that need it.
12028 * c-decl.c (diagnose_mismatched_decls): Do not check for
12029 mismatched thread-local attributes when OLDDECL is marked
12030 threadprivate and NEWDECL has no thread-local attributes.
12031 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12032 (c_gimple_diagnostics_recursively): Rename from
12033 c_warn_unused_result_recursively. Invoke
12034 diagnose_omp_structured_block_errors.
12035 (check_for_loop_decls): Return a singular decl found.
12036 * langhooks.c (lhd_omp_predetermined_sharing): Return
12037 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12038 (lhd_omp_firstprivatize_type_sizes): New.
12039 (lhd_omp_assignment): New.
12040 (lhd_omp_predetermined_sharing): New.
12041 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12042 (struct lang_hooks_for_types): Add
12043 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12044 omp_predetermined_sharing, omp_disregard_value_expr,
12045 omp_private_debug_clause, omp_clause_default_ctor,
12046 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12047 (c_finish_omp_clauses): New.
12048 (c_finish_bc_stmt): Diagnose break within omp for.
12049 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12050 (build_unary_op): Return error_mark after reporting
12052 (build_modify_expr): Likewise.
12053 * gimplify.c: Include optabs.h and pointer-set.h.
12054 (enum gimplify_omp_var_data): Declare.
12055 (struct gimplify_omp_ctx): Declare.
12056 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12058 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12059 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12060 (splay_tree_compare_decl_uid): New.
12061 (new_omp_context): New.
12062 (delete_omp_context): New.
12063 (gimple_add_tmp_var): Call omp_add_variable.
12064 (gimplify_bind_expr): Likewise.
12065 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12066 true, disregard DECL_VALUE_EXPR on the decl if any.
12067 (gimplify_expr_in_ctx): New.
12068 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12069 omp_add_variable, omp_notice_variable, omp_is_private
12070 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12071 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12072 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12073 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12074 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12075 gimplify_omp_atomic): New.
12076 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12077 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12078 OMP_CRITICAL and OMP_ATOMIC.
12079 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12080 * c-pragma.h (enum pragma_kind): Add
12081 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12082 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12083 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12084 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12085 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12086 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12087 PRAGMA_OMP_THREADPRIVATE.
12088 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12089 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12090 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12091 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12092 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12093 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12094 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12095 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12096 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12097 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12098 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12099 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12100 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12102 (struct nesting_info): Add field_map,
12103 suppress_expansion, debug_var_chain.
12104 (create_nesting_tree): Initialize them.
12105 (lookup_field_for_decl): Use field_map.
12106 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12107 (convert_local_omp_clauses): New.
12108 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12109 (walk_body): Split out of walk_function.
12110 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12111 (convert_nonlocal_reference): Handle omp statements.
12112 (convert_local_reference): Likewise.
12113 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12114 (unnest_nesting_tree): New.
12115 (lower_nested_functions): Call it.
12116 (insert_field_into_struct): Make extern.
12117 (struct walk_stmt_info): Move to tree-gimple.h.
12118 (walk_stmts): Make extern.
12119 * omp-builtins.def: New file.
12120 * tree-iterator.c (expr_only): Clarify comment.
12121 * c-common.h (pushdecl_top_level, pushdecl,
12122 build_modify_expr, build_indirect_ref,
12123 c_finish_omp_master, c_finish_omp_critical,
12124 c_finish_omp_ordered, c_finish_omp_barrier,
12125 c_finish_omp_atomic, c_finish_omp_flush,
12126 c_finish_omp_for, c_split_parallel_clauses,
12127 omp_clause_default_kind, c_omp_sharing_predetermined,
12128 c_omp_remap_decl): Declare.
12129 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12130 (OBJS-common): Add omp-low.o.
12131 (c-omp.o, omp-low.o): Add.
12132 (gimplify.o): Add dependency on $(OPTABS_H).
12133 (GTFILES): Add omp-low.c.
12134 (gt-stringpool.h): Add.
12135 * tree-cfg.c (set_bb_for_stmt): Do not update the
12136 block-to-labels map if we are currently expanding to RTL.
12137 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12139 Handle IDENTIFIER_NODE.
12140 (tree_verify_flow_info): Do not ICE when emitting error
12141 messages about invalid labels.
12142 (dump_function_to_file): Reset CFUN before emitting the body
12144 (debug_function): New.
12145 * passes.c (init_optimization_passes): Schedule
12147 * langhooks-def.h (lhd_omp_predetermined_sharing,
12148 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12150 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12151 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12152 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12153 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12154 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12155 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12156 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12157 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12158 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12159 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12160 (LANG_HOOK_DECLS): Use them.
12162 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12163 Richard Henderson <rth@redhat.com>
12164 Jakub Jelinek <jakub@redhat.com>
12165 Diego Novillo <dnovillo@redhat.com>
12167 * c-parser.c (pragma_omp_clause): Define.
12168 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12169 (c_parser_compound_statement): Likewise.
12170 (c_parser_statement): Likewise.
12171 (c_parser_pragma): Handle omp pragmas.
12172 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12173 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12174 (c_parser_omp_clause_name, check_no_duplicate_clause,
12175 c_parser_omp_variable_list,
12176 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12177 c_parser_omp_clause_copyprivate,
12178 c_parser_omp_clause_default,
12179 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12180 c_parser_omp_clause_lastprivate,
12181 c_parser_omp_clause_nowait,
12182 c_parser_omp_clause_num_threads,
12183 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12184 c_parser_omp_clause_reduction,
12185 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12186 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12187 c_parser_omp_atomic, c_parser_omp_barrier,
12188 c_parser_omp_critical, c_parser_omp_flush,
12189 c_parser_omp_for_loop, c_parser_omp_for,
12190 c_parser_omp_master, c_parser_omp_ordered,
12191 c_parser_omp_sections_scope, c_parser_omp_sections,
12192 c_parser_omp_parallel, c_parser_omp_single,
12193 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12194 * c-pragma.c (init_pragma): Do omp pragma registration here.
12195 * c.opt (fopenmp): New flag.
12197 2006-01-18 Eric Christopher <echristo@apple.com>
12199 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12200 * config/darwin.h (GOMP_SELF_SPECS): Define.
12202 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12204 * rtl.h: Remove the prototype for reg_alloc.
12206 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12209 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12210 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12211 sjlj and dwarf2 exception handling.
12212 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12213 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12214 * pa/pa.c (function_value): Treat complex and vector types as
12216 (function_arg): Likewise. Only pass scalar floats in the floating
12217 point argument registers.
12218 * pa/t-slibgcc-dwarf-ver: New file.
12219 * pa/t-slibgcc-sjlj-ver: New file.
12220 * pa/t-slibgcc-elf-ver: Delete file.
12222 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12224 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12225 unlikely_test_section_p test.
12227 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12229 * mode-switching.c (optimize_mode_switching): Make it static.
12230 * basic-block.h: Remove the prototype for
12231 optimize_mode_switching.
12233 * modulo-sched.c (sms_schedule): Make it static.
12234 * rtl.h: Remove the prototype for sms_schedule.
12236 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12237 * rtl.h: Remove the prototype for gcse_after_reload_main.
12239 * reg-stack.c (reg_to_stack): Make it static.
12240 * rtl.h: Remove the prototype for reg_to_stack.
12242 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12244 * rtl.h: Remove the prototypes for regrename_optimize and
12245 copyprop_hardreg_forward.
12247 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12249 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12250 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12251 Test against the appropriate null constant for the mode.
12252 If 'fixup_overlap' is true, swap the operands if they overlap.
12253 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12254 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12255 alpha_split_tmode_pair and adjust for above change.
12256 * config/alpha/alpha.md (movtf_internal): Adjust call to
12257 alpha_split_tfmode_pair and rely on it to swap the operands.
12258 (movti_internal): New insn and post-reload splitter.
12259 (movti): New expander.
12261 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12263 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12266 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12268 * rtlanal.c (global_reg_mentioned_p_1,
12269 global_reg_mentioned_p): Remove.
12270 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12272 * flow.c (initialize_uninitialized_subregs): Make it static.
12273 * rtl.h: Remove the prototype for
12274 initialize_uninitialized_subregs.
12276 * function.c (instantiate_virtual_regs): Make it static.
12277 * function.h: Remove the prototype for
12278 instantiate_virtual_regs.
12280 * regmove.c (regmove_optimize, combine_stack_adjustments):
12282 * rtl.h: Remove the prototypes for regmove_optimize and
12283 combine_stack_adjustments.
12285 2006-01-17 Roger Sayle <roger@eyesopen.com>
12287 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12288 (size_cost): Encode costs in bytes so that a reg-reg addition is
12289 equivalent to COSTS_N_INSNS(1).
12290 (override_options): Use the size_cost.branch_cost as the default
12291 ix86_branch_cost when optimizing for size.
12293 2006-01-18 Ben Elliston <bje@au.ibm.com>
12295 * Makefile.in (D32PBIT_FUNCS): New.
12296 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12297 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12298 D64PBIT_FUNCS and D128PBIT_FUNCS.
12299 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12300 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12302 (decnumber_dep): Define.
12303 * doc/libgcc.texi (Decimal float library routines): New node.
12304 * config/dfp-bit.h, config/dfp-bit.c: New files.
12306 2006-01-18 Ben Elliston <bje@au.ibm.com>
12308 * expr.c (emit_move_change_mode): Always adjust addresses, not
12309 just during reload. Copy replacements only during reload.
12310 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12311 emit_move_via_integer.
12313 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12315 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12316 instead of $(srcdir) and ${srcdir}.
12318 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12321 PR middle-end/11135
12322 * arm.h (struct machine_function): Add pic_reg.
12323 * arm.c (arm_pic_register): Make unsigned.
12324 (arm_override_options): Only set arm_pic_register if
12325 TARGET_SINGLE_PIC_BASE.
12326 (use_return_insn): Only test for a pic register if it is fixed.
12327 (arm_compute_save_reg0_reg12_mask): Likewise.
12328 (thumb_compute_save_reg_mask): Likewise.
12329 (legitimate_pic_operand): Factor out some known invariants.
12330 (legitimize_pic_address): If we don't have a fixed pic register,
12331 then set up a pseudo in the function entry sequence. Handle the
12332 pic base being in a pseudo.
12333 (arm_load_pic_register): Handle the pic register being in a pseudo.
12334 (arm_expand_prologue): Only set up the pic register if it is fixed.
12335 (thumb_expand_prologue): Likewise.
12336 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12337 (pic_load_addr_based_insn): Likewise.
12338 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12341 2006-01-18 Ben Elliston <bje@au.ibm.com>
12343 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12344 decimal float modes for all floating point registers.
12346 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12347 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12349 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12352 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12353 even when the pointer is not NULL.
12355 2006-01-16 Ian Lance Taylor <ian@airs.com>
12357 * common.opt (ftoplevel-reorder): New option.
12358 * cgraph.c (cgraph_asm_nodes): New global variable.
12359 (cgraph_asm_last_node): New static variable.
12360 (cgraph_order): New global variable.
12361 (cgraph_create_node): Set new order field.
12362 (cgraph_varpool_node): Likewise.
12363 (decide_is_variable_needed): Return true if not
12364 flag_toplevel_reorder.
12365 (cgraph_add_asm_node): New function.
12366 * cgraph.h (struct cgraph_node): Add order field.
12367 (struct cgraph_varpool_node): Add order field.
12368 (struct cgraph_asm_node): Define.
12369 (cgraph_asm_nodes, cgraph_order): Declare.
12370 (cgraph_add_asm_node): Declare.
12371 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12373 (cgraph_varpool_assemble_pending_decls): Call it.
12374 (cgraph_output_pending_asms): New static function.
12375 (cgraph_finalize_compilation_unit): Call it.
12376 (struct cgraph_order_sort): Define.
12377 (cgraph_output_in_order): New static function.
12378 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12379 !flag_toplevel_reorder case.
12380 * c-parser.c: Include "cgraph.h".
12381 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12383 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12384 than -fno-unit-at-a-time.
12385 * doc/invoke.texi (Option Summary): Mention
12386 -fno-toplevel-reorder.
12387 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12388 -funit-at-a-time documentation.
12390 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12391 Kazu Hirata <kazu@codesourcery.com>
12393 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12395 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12397 * Makefile.in (FUNCTION_H): New. Use it instead of
12398 function.h throughout the file.
12399 * function.h: Include tree.h.
12401 2006-01-17 Ben Elliston <bje@au.ibm.com>
12403 * recog.c: Separate some functions with whitespace.
12405 2006-01-16 Richard Henderson <rth@redhat.com>
12407 Merge from gomp branch:
12408 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12409 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12410 and rename from struct inline_data. Rename callee* to dst*;
12411 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12412 transform_new_cfg, transform_return_to_modify, and
12413 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12415 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12416 (copy_decl_for_dup): Remove.
12417 * tree-inline.c (struct inline_data): Move to header.
12418 (insert_decl_map): Export.
12419 (remap_decl): Update for member name changes. Use copy_decl hook.
12420 Allow for replacement to be a non-decl. Remove dead code.
12421 (remap_type_1): Check for existing mapping.
12422 (remap_type): Export.
12423 (remap_decls): Update for member name changes.
12424 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12425 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12426 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12427 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12428 (tree_function_versioning, build_duplicate_type): Likewise.
12429 (copy_body_r): Likewise. Export.
12430 (copy_decl_for_dup): Split into ...
12431 (copy_decl_for_dup_finish, copy_decl_to_var,
12432 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12433 (replace_ref_tree, inlining_p): Remove.
12435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12437 * ifcvt.c (if_convert): Make it static.
12438 * rtl.h: Remove the prototype for if_convert.
12440 * local-alloc.c (local_alloc): Make it static.
12441 * rtl.h: Remove the prototype for local_alloc.
12443 * loop.c (loop_optimize): Make it static.
12444 * cfgloop.h: Remove the prototype for loop_optimize.
12447 2006-01-16 DJ Delorie <dj@redhat.com>
12449 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12452 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12454 * pa.md: Disparage copies between general and floating-point registers
12455 in 32-bit move patterns.
12457 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12460 * Makefile.in (check-%): Depend on site.exp instead of
12461 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12464 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12466 * global.c (global_alloc): Make it static.
12467 * rtl.h: Remove the prototype for global_alloc.
12469 2006-01-16 Richard Guenther <rguenther@suse.de>
12471 * tree-ssa-alias.c (struct used_part): Add write_only field.
12472 (get_or_create_used_part_for): Initialize it to true.
12473 (create_overlap_variables_for): Don't create structure variables
12474 for structures that only are written to.
12475 (find_used_portions): Handle MODIFY_EXPR to track whether a
12476 structure is only written to.
12478 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12480 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12482 * basic-block.h: Remove the prototype for
12483 partition_hot_cold_basic_blocks.
12485 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12487 * cppspec.c (lang_specific_spec_functions): Remove.
12488 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12489 * gcc.h (lang_specific_spec_functions): Remove.
12490 * gccspec.c (lang_specific_spec_functions): Remove.
12492 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12494 * combine.c (record_value_for_reg): Invalidate registers
12496 (record_dead_and_set_regs_1): Likewise, by passing them to
12497 record_value_for_reg.
12498 (record_dead_and_set_regs): Invalidate stores made by a
12499 call. We do not combine across a call, but we still
12500 relied on equivalences.
12502 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12504 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12505 vrp_int_const_binop returning non-constant nodes.
12507 2006-01-16 Paul Brook <paul@codesourcery.com>
12509 * config/m68k/m68k.c (output_move_const_into_data_reg):
12510 Output correct mnemonic for mvz and mvs.
12512 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12514 * rtl-factoring.c: Add sequence abstraction algorithm.
12515 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12516 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12518 (block_has_preserve_label): New function.
12519 * common.opt: Register new pass.
12520 * Makefile.in: Ditto.
12522 * timevar.def: Ditto.
12523 * tree-pass.h: Ditto.
12524 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12525 * rtl.h (make_jump_insn_raw): Add forward decl.
12526 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12528 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12529 Roger Sayle <roger@eyesopen.com>
12531 * fold-const.c (fold_minmax): New static function.
12532 (fold_binary) <MIN_EXPR>: Call it.
12533 <MAX_EXPR>: Likewise.
12534 * stor-layout.c (place_field): Use DECL_SIZE consistently
12535 in the computation of the new record size.
12537 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12539 * cse.c (cse_condition_code_reg): Make it static.
12540 * rtl.h: Remove the prototype for cse_condition_code_reg.
12542 * combine.c (combine_instructions): Make it static.
12543 * rtl.h: Remove the prototype for combine_instructions.
12545 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12548 * tree.c (get_file_function_name_long): Concatenate the first global
12549 object name with a string derived from the input filename of the object
12552 2006-01-16 Ben Elliston <bje@au.ibm.com>
12554 * config/i386/winnt-stubs.c: Update FSF address.
12555 * config/xtensa/ieee754-df.S: Ditto.
12556 * config/xtensa/ieee754-sf.S: Ditto.
12558 2006-01-14 Ian Lance Taylor <ian@airs.com>
12560 * ifcvt.c (noce_init_if_info): New static function, broken out of
12561 noce_process_if_block.
12562 (noce_process_if_block): Call noce_init_if_info.
12563 (check_cond_move_block): New static function.
12564 (cond_move_process_if_block): New static function.
12565 (process_if_block): Call cond_move_process_if_block.
12567 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12569 * cselib.c (hash_table): Rename to cselib_hash_table.
12570 (cselib_clear_table, discard_useless_values,
12571 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12572 cselib_init, cselib_finish): Adjust uses of hash_table.
12574 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12576 PR tree-optimization/25485
12577 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12578 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12579 is known to be false and true, respectively.
12581 2006-01-14 Richard Guenther <rguenther@suse.de>
12583 PR tree-optimization/22548
12584 PR tree-optimization/22555
12585 PR tree-optimization/22501
12586 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12587 * params.def (salias-max-array-elements): New parameter.
12588 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12589 * doc/invoke.texi (salias-max-array-elements): Document.
12590 * tree-flow-inline.h (var_can_have_subvars): We also handle
12592 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12594 * tree-ssa-structalias.c (params.h): Include.
12595 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12596 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12597 (get_constraint_for): For ADDR_EXPR operating on something
12598 containing an ARRAY_REF, add all subvars to the solution.
12599 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12600 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12601 for creating MUST_DEFs.
12602 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12604 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12606 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12608 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12609 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12610 number_of_iterations_le): New functions.
12611 (number_of_iterations_special): Removed.
12612 (number_of_iterations_exit): Do not use number_of_iterations_special.
12613 * tree.c (unsigned_type_for): Always return integer type.
12615 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12616 Richard Guenther <rguenther@suse.de>
12618 PR rtl-optimization/24257
12619 * gcse.c (find_moveable_store): Only consider a store movable
12620 when the SET_SRC of the insn can be assigned to a register.
12622 2006-01-14 Ian Lance Taylor <ian@airs.com>
12624 * tree.c (tree_not_class_check_failed): New function.
12625 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12626 (tree_not_class_check_failed): Declare.
12628 2006-01-13 Ian Lance Taylor <ian@airs.com>
12630 * reload1.c (do_output_reload): Add assertion rejecting a
12633 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12635 * combine.c (struct reg_stat): Add new fields truncation_label and
12637 (record_value_for_reg): Reset truncated_to_mode.
12638 (record_truncated_value): New function.
12639 (check_promoted_subreg): Call it. Rename to check_conversions.
12640 (combine_instructions): Rename check_promoted_subreg to
12642 (reg_truncated_to_mode): New function.
12643 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12644 (gen_lowpart_or_truncate): New function.
12645 (force_to_mode): Use it instead of gen_lowpart.
12647 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12649 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12650 VAR is a tag, not its type tag.
12652 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12654 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12655 alternatives to match style of other entries.
12656 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12658 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12660 PR tree-optimization/25771
12661 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12664 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12667 * tree-inline.c (declare_return_variable): If the return variable
12668 was marked as a non gimple complex, set the return slot variable
12669 to be a non gimple comple variable.
12671 2006-01-13 Richard Guenther <rguenther@suse.de>
12673 * builtins.c (expand_builtin_sincos): New function.
12674 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12676 (expand_builtin): Expand sincos using expand_builtin_sincos.
12678 2006-01-12 DJ Delorie <dj@redhat.com>
12680 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12681 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12682 so that constant shifts can be split.
12683 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12684 (m32c_valid_pointer_mode): Make static.
12685 (shift_gen_func_for): New.
12686 (m32c_prepare_shift): Use it. Split large const shifts into
12688 * config/m32c/predicates.md (shiftcount_operand): Allow more
12690 (longshiftcount_operand): New.
12691 * doc/md.texi (Machine Constraints): Document In6.
12693 2006-01-13 Ben Elliston <bje@au.ibm.com>
12695 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12696 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12699 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12701 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12702 to try to avoid clobbering pieces of structures when we know
12703 something about the whole structure.
12704 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12706 2006-01-13 Ben Elliston <bje@au.ibm.com>
12708 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12709 return in memory, as this is no limitation is no longer present.
12711 2006-01-12 DJ Delorie <dj@redhat.com>
12713 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12714 mova with fb, and for fb+0 -> An.
12716 * config/m32c/mov.md (peephole2): Fix enabling logic.
12718 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12719 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12720 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12721 FINI_ARRAY_SECTION_ASM_OP): Define.
12723 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12725 (m32c_legitimize_reload_address): New logic to reload FB to An.
12726 (m32c_output_reg_push): Add newline.
12727 (m32c_output_reg_pop): Likewise.
12729 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12731 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12733 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12735 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12737 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12739 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12742 2006-01-11 Ben Elliston <bje@au.ibm.com>
12744 * rtlanal.c (find_reg_note): Assert insn is not null.
12746 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12748 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12751 2006-01-11 Jeff Law <law@redhat.com>
12753 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12755 (mark_threaded_blocks, register_jump_thread): New functions.
12756 (thread_through_all_blocks): Remove unwanted argument. No
12757 longer rely on e->aux to communicate thread target info.
12758 Call mark_threaded_blocks. Release the threaded_blocks
12759 bitmap and threaded_edges vector when complete.
12760 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12761 (threaded_blocks): Remove.
12762 (tree_ssa_dominator_optimize): Remove initialization and
12763 finalization of threaded_blocks. Simplify call to
12764 thread_through_all_blocks.
12765 (thread_across_edge): Call register_jump_thread rather than
12766 storing thread information into e->aux.
12767 (free_all_edge_infos): Simplify now that e->aux is no longer
12768 used to communicate with thread_through_all_blocks.
12769 * tree-flow.h (thread_through_all_blocks): Update prototype.
12770 (register_jump_thread): Prototype.
12772 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12774 * df-core.c (df_compact_blocks, df_bb_replace): Use
12775 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12777 2006-01-11 Richard Guenther <rguenther@suse.de>
12779 PR tree-optimization/25734
12780 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12781 stop propagation after successful propagation to the LHS.
12783 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12785 * basic-block.h (control_flow_graph): Change the type of
12786 x_basic_block_info to VEC(basic_block,gc) *.
12787 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12789 (SET_BASIC_BLOCK): New.
12790 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12791 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12792 * cfgbuild.c (find_basic_blocks): Likewise.
12793 * cfglayout.c (fixup_reorder_chain): Likewise.
12794 * cfgrtl.c (create_basic_block_structure,
12795 rtl_create_basic_block): Likewise.
12796 * ifcvt.c (find_if_case_1): Likewise.
12797 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12800 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12802 * Makefile.in: Removed rotted odf.c entry.
12804 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12807 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12808 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12809 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12810 output pattern modifier, not %e.
12811 * config/cris/cris.c (cris_op_str): Update comment about pattern
12813 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12814 before falling through into...
12815 <case 'E'>: Redefined from old 'e' case.
12817 2006-01-11 Jan Hubicka <jh@suse.cz>
12820 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12822 2006-01-11 Jan Hubicka <jh@suse.cz>
12824 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12825 * i386.c (x86_decompose_lea): Kill.
12826 (ix86_rtx_costs): Kill.
12828 2006-01-11 Jan Hubicka <jh@suse.cz>
12830 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12831 * cgraph.h (cgraph_node): Add inline_decl.
12832 (cgraph_insert_node_to_hashtable): Declare.
12833 (save_inline_function_body): Declare.
12834 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12836 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12837 (cgraph_function_versioning): Update call of tree_function_versioning.
12838 (save_inline_function_body): New function.
12839 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12840 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12841 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12842 (cgraph_default_inline_p): Likewise.
12843 (cgraph_decide_inlining_incrementally): Likewise.
12844 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12845 (copy_bb): Kill saving; do updating of clones.
12846 (copy_cfg_body): Kill saving.
12847 (initialize_inlined-parameters): Likewise.
12848 (expand_call_inline): Likewise.
12850 (tree_function_versioning): New parameter "update_clones".
12851 (inlining_p): Kill saving.
12852 * tree-inline.h (tree_function_versioning): Update prototype.
12853 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12856 2006-01-11 Ian Lance Taylor <ian@airs.com>
12858 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12859 Allow undoing set of machine mode.
12860 (do_SUBST): Use enums instead of is_int.
12861 (do_SUBST_MODE): New function.
12862 (SUBST_MODE): New macro.
12863 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12864 reg and trying to replace reg_regno_rtx with a new register.
12865 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12866 (simplify_set): Use SUBST_MODE.
12867 (distribute_notes): Remove code that tried to update reg notes
12868 for regno_reg_rtx changes.
12870 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12872 PR tree-optimization/23109
12873 PR tree-optimization/23948
12874 PR tree-optimization/24123
12876 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12877 * tree-cfg.c (single_noncomplex_succ): New.
12878 * tree-flow.h (single_noncomplex_succ): Declare it.
12879 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12880 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12881 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12882 insert_bb, register_division_in, insert_reciprocals,
12883 replace_reciprocal, free_bb): New.
12884 (execute_cse_reciprocals_1): Rewritten.
12885 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12886 Do not commit any edge insertion. Always compute dominators and
12887 create the allocation pool.
12888 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12889 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12890 * targhooks.c (default_min_divistions_for_recip_mul): New.
12891 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12892 * passes.c (init_optimization_passes): Run recip after tree loop
12894 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12896 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12897 Kenneth Zadeck <zadeck@naturalbridge.com>
12899 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12900 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12901 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12902 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12903 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12904 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12905 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12906 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12907 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12908 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12909 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12910 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12911 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12912 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12913 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12914 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12915 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12916 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12917 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12918 DF_SCAN_POST_ALLOC): New macros.
12919 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12920 df_free_bb_function, df_local_compute_function, df_init_function,
12921 df_dataflow_function, df_confluence_function_0,
12922 df_confluence_function_n, df_transfer_function,
12923 df_finalizer_function, df_free_function, df_dump_problem_function,
12924 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12925 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12926 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12927 df_urec_bb_info, ) New types.
12928 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12930 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12931 df_analyze_simple_change_some_blocks,
12932 df_analyze_simple_change_one_block, df_compact_blocks,
12933 df_bb_replace, df_bb_regno_last_use_find,
12934 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12935 df_insn_regno_def_p, df_find_def, df_find_use,
12936 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12937 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12938 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12939 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12940 debug_df_chain, df_get_dependent_problem, df_chain_create,
12941 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12942 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12943 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12944 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12945 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12946 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12947 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12948 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12949 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12950 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12951 df_reorganize_refs, df_set_state, df_hard_reg_init,
12952 df_read_modify_subreg_p) New public functions.
12953 * df-core.c: The core dataflow solver and glue routines for rtl
12955 (df_init, df_add_problem, df_set_blocks, df_finish,
12956 df_hybrid_search_forward, df_hybrid_search_backward,
12957 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12958 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12959 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12960 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12961 df_reg_defined, df_find_use, df_reg_used, df_dump,
12962 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12963 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12964 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12965 debug_df_useno, reset_df_after_reload): New functions.
12966 * df-scan.c: The scanning fuctions, once in df.c, completely
12967 rewritten so that they now fully model the functionality of
12968 register usage at the backend.
12969 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12970 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12971 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12972 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12973 df_get_artificial_defs, df_get_artificial_uses,
12974 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12975 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12976 df_refs_delete, df_reorganize_refs, df_set_state,
12977 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12978 df_def_record_1, df_defs_record, df_uses_record,
12979 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12980 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12981 df_record_exit_block_uses, df_hard_reg_init): New functions.
12983 * df-problems.c: Seven concrete dataflow problems that use the
12984 scanning in df-scan.c and are solved by the engine in df-core.c.
12985 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12986 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12987 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12988 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12989 df_ru_free_bb_info, df_ru_alloc,
12990 df_ru_bb_local_compute_process_def,
12991 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12992 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12993 df_ru_transfer_function, df_ru_free, df_ru_dump,
12994 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12995 df_rd_free_bb_info, df_rd_alloc,
12996 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12997 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12998 df_rd_transfer_function, df_rd_free, df_rd_dump,
12999 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13000 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13001 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13002 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13003 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13004 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13005 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13006 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13007 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13008 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13009 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13010 df_urec_mark_reg_use_for_earlyclobber,
13011 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13012 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13013 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13014 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13015 df_chain_create_bb_process_use, df_chain_create_bb,
13016 df_chain_finalize, df_chain_free, df_chains_dump,
13017 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13018 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13019 df_reg_lifetime): New functions.
13020 * df.c: Deleted file.
13021 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13022 consistent with new df api.
13023 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13024 rest_of_handle_sms): Ditto.
13025 * web.c (unionfind_union, union_defs, entry_register, web_main):
13027 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13028 invariant_expr_equal_p, find_defs, check_dependencies,
13029 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13030 free_inv_motion_data, move_loop_invariants): Ditto.
13031 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13032 Update dependencies.
13033 (odf.c): Added defective entry that was deleted later in day.
13034 * sched-deps.c (sched_analyze_1): Ditto.
13036 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13038 * tree-ssa-operands.c (get_expr_operands): Record addressable
13039 variables directly. Do not call add_stmt_operands for CONST_DECLs
13041 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13042 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13044 2006-01-11 Ben Elliston <bje@au.ibm.com>
13046 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13047 function returns true in the positive case.
13049 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13052 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13053 for SI, DI, SF and DF modes. Add alternatives to copy between
13054 general and floating point registers to the 32-bit patterns.
13055 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13056 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13057 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13058 generating 64-bit code.
13059 * config/pa/pa.c (output_move_double): Handle copies between general
13060 and floating registers.
13062 2006-01-10 Stuart Hastings <stuart@apple.com>
13064 * config/i386/i386.md (set_got): Update.
13065 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13066 (builtin_setjmp_receiver): Mach-O support.
13067 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13068 (GOT_SYMBOL_NAME): Define.
13069 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13070 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13071 * config/i386/i386.c (override_options): Revise for Darwin.
13072 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13073 support. (darwin_x86_file_end): New. (output_set_got): Add label
13074 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13075 * config/i386/i386-protos.h (output_set_got): Likewise.
13076 * config/darwin.c (machopic_legitimize_pic_address): Update
13079 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13081 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13082 when MODE isn't BLKmode.
13084 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13086 PR rtl-optimization/25367
13087 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13089 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13092 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13093 for a negative bound.
13095 2006-01-10 Richard Guenther <rguenther@suse.de>
13097 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13098 Never override with anything constraint.
13100 2006-01-10 Jan Beulich <jbeulich@novell.com>
13102 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13103 256 bits when optimize_size.
13105 2006-01-10 Jan Beulich <jbeulich@novell.com>
13107 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13109 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13110 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13113 2006-01-10 Ben Elliston <bje@au.ibm.com>
13115 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13117 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13118 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13119 (USE_FP_FOR_ARG): Reject decimal float modes.
13120 (function_arg_advance): Likewise.
13121 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13122 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13123 point types in AltiVec vectors.
13124 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13125 (rs6000_libcall_value): Likewise.
13127 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13129 * config/xtensa/ieee754-df.S: New file.
13130 * config/xtensa/ieee754-sf.S: New file.
13131 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13132 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13133 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13135 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13137 * config/sh/predicates.md (binary_float_operator,
13138 binary_logical_operator, commutative_float_operator,
13139 equality_comparison_operator, greater_comparison_operator,
13140 less_comparison_operator, logical_operator,
13141 noncommutative_float_operator, shift_operator,
13142 symbol_ref_operand, unary_float_operator): Remove redundant
13145 2006-01-09 Jeff Law <law@redhat.com>
13147 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13148 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13149 now unused arguments. Callers updated.
13150 (eliminate_redundant_computations): Remove now unused arguments,
13152 (local_fold): Remove, no longer used.
13153 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13155 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13156 (simplify_cond): New function.
13157 (forward_propagate_into_cond): Call simplify_cond.
13159 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13161 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13162 (*vec_extractv2di_1_sse): New.
13164 2006-01-09 Ben Elliston <bje@au.ibm.com>
13166 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13168 2006-01-08 Richard Guenther <rguenther@suse.de>
13170 * tree-ssa-structalias.c (get_constraint_for): Remove
13171 anyoffset argument.
13172 (get_constraint_for_component_ref): Likewise.
13173 (do_deref): Likewise.
13174 (get_constraint_for): Likewise.
13175 (do_structure_copy): Likewise.
13176 (handle_ptr_arith): Likewise.
13177 (find_func_aliases): Likewise. Remove unused need_anyoffset
13180 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13181 Kaz Kojima <kkojima@gcc.gnu.org>
13183 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13184 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13185 (EXTRA_CONSTRAINT_C16): Remove.
13186 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13187 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13188 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13189 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13190 constants of SHmedia. Handle nested constant expressions of
13192 (andcosts): Fix the costs for SHmedia constants.
13193 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13194 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13195 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13196 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13197 (movv4hi_i, movv2si_i): Likewise.
13198 (movsi_const): Adjust the second operand of ior so to match with
13199 the Csu constraint.
13200 (movdi_const, movdi_const_32bit): Likewise.
13201 (movdi_const_16bit+1): Don't sign-extend LOW.
13202 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13204 (*double_shori): Fix the split condition. Use GEN_INT instead
13205 of get_int_mode calls. Mask lower 16-bit of the argument of
13207 (sym2GOTPLT): Remove.
13208 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13210 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13211 instead of EXTRA_CONSTRAINT_C16.
13213 2006-01-07 Ian Lance Taylor <ian@airs.com>
13214 David Edelsohn <edelsohn@gnu.org>
13216 PR rtl-optimization/25662
13217 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13218 for constant operands instead of simplify_gen_binary.
13219 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13220 after trying simplify_binary_operation
13222 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13224 * tree.c (iterative_hash_expr): Hash decls based on UID.
13226 2006-01-06 Eric Christopher <echristo@apple.com>
13228 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13229 (TARGET_UNWIND_EMIT): Fix spelling.
13230 * target.h (gcc_target): Add except_table_label.
13231 * except.c (output_function_exception_table): Use.
13232 * varasm.c (default_emit_except_table_label): New.
13233 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13235 (asm_out): Add here.
13236 * output.h (default_emit_except_table_label): Prototype.
13237 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13238 * config/darwin.c (darwin_emit_except_table_label): Define.
13239 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13241 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13243 PR tree-optimization/18527
13244 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13245 number_of_iterations_special, number_of_iterations_exit):
13246 Move base and step of an iv to a single structure. Add
13247 no_overflow flag, and use it in # of iterations analysis.
13248 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13249 folded_casts argument.
13250 (simple_iv): Pass base and step in a structure. Set no_overflow
13252 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13253 Evaluate expensiveness of computing # of iterations instead of
13254 the final expression.
13255 * tree-scalar-evolution.h (affine_iv): New structure.
13256 (simple_iv): Declaration changed.
13257 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13258 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13259 find_givs_in_stmt): Changed due to simple_iv change.
13261 2006-01-06 Jeff Law <law@redhat.com>
13264 * tree-cfg.c (bsi_replace): Rename final argument from
13265 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13266 change (stmt -> orig_stmt).
13267 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13268 (bsi_remove): Add new argument. Remove EH information
13270 (verify_eh_throw_table_statements): New function.
13271 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13273 * tree-optimize.c (execute_free_cfg_annotations): Verify
13274 the EH throw statement table after removing annotations.
13275 * except.h (verify_eh_throw_table_statements): Prototype.
13276 * tree-flow.h (bsi_remove): Update prototype.
13277 * tree-vrp.c (remove_range_assertions): Add new argument to
13279 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13280 * tree-complex.c (expand_complex_div_wide): Likewise.
13281 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13282 * tree-tailcall.c (eliminate_tailcall): Likewise.
13283 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13284 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13285 * tree-nrv.c (tree_nrv): Likewise.
13286 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13287 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13288 (combine_blocks): Likewise.
13289 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13290 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13291 (cleanup_control_flow): Likewise.
13292 (remove_forwarder_block): Likewise.
13293 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13294 * tree-sra.c (sra_replace): Likewise.
13295 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13296 (forward_propagate_single_use_vars): Likewise.
13297 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13298 * tree-inline.c (expand_call_inline): Likewise.
13299 * tree-vect-transform.c (vect_transform_loop): Likewise.
13300 * tree-outof-ssa.c (rewrite_trees): Likewise.
13301 * tree-cfg.c (make_goto_expr_edges): Likewise.
13302 (cleanup_dead_labels): Likewise.
13303 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13304 (bsi_move_before, bsi_move_after): Likewise.
13305 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13306 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13308 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13311 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13313 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13314 on non gimple variables. Also add checks at the top for decls and
13316 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13318 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13319 and IMAGPART_EXPR for creating MUST_DEFs.
13320 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13321 and NAME_MEMORY_TAG separately from the DECLs.
13323 2006-01-06 Richard Guenther <rguenther@suse.de>
13325 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13326 annotation, if necessary.
13327 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13328 redundant calls to update_stmt.
13329 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13332 2006-01-05 Richard Henderson <rth@redhat.com>
13334 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13336 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13338 * c-typeck.c: Update copyright date.
13340 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13342 * c-typeck.c (build_c_cast): Always warn when casting
13343 from a pointer to an integer of different size, even if
13344 the node was constant.
13346 2006-01-05 Richard Guenther <rguenther@suse.de>
13348 PR tree-optimization/22555
13349 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13350 if one structure field is an array.
13351 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13352 operands even if we found a subvar, but ignore VOPs in this
13354 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13356 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13358 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13360 PR middle-end/24998
13361 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13363 2006-01-05 Richard Guenther <rguenther@suse.de>
13364 Diego Novillo <dnovillo@redhat.com>
13366 * tree-pass.h (TODO_remove_unused_locals): Define.
13367 * gimple-low.c (expand_var_p, remove_useless_vars,
13368 pass_remove_useless_vars): Remove. Update all users.
13369 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13370 (remove_unused_locals): New function.
13371 * tree-flow.h (remove_unused_locals): Declare.
13372 * passes.c (execute_todo): Call remove_unused_locals if
13373 TODO_remove_unused_locals is set.
13374 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13375 * tree-ssa-dce.c (pass_dce): Likewise.
13376 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13378 2006-01-05 Richard Guenther <rguenther@suse.de>
13380 * tree-flow.h (struct fieldoff): Decompose field to
13381 type, size and decl.
13382 * tree-ssa-alias.c (create_sft): Take type as parameter.
13383 (create_overlap_variables_for): Store type, size and decl
13384 in the fieldoff structure.
13385 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13386 of struct fieldoff.
13387 (push_fields_onto_fieldstack): Likewise.
13388 (create_variable_info_for): Likewise. Use offset for the
13389 SFT name if the decl is not available.
13391 2006-01-04 Paul Brook <paul@codesourcery.com>
13393 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13395 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13397 * lambda-code.c (can_put_in_inner_loop): Relax
13399 (can_put_after_inner_loop): New function.
13400 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13401 (perfect_nestify): Change to make copies and modify uses.
13403 2006-01-04 Richard Henderson <rth@redhat.com>
13405 Merge from gomp branch:
13406 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13407 via integer constant.
13408 (pragma_lex): Remove.
13409 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13410 rather than parsing it.
13411 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13412 handle_pragma_extern_prefix): Add %< %> quotes.
13413 (registered_pragmas): New.
13414 (c_register_pragma_1): New.
13415 (c_register_pragma): Use it.
13416 (c_register_pragma_with_expansion): Likewise.
13417 (c_invoke_pragma_handler): New.
13418 (init_pragma): Use cpp_register_deferred_pragma directly for
13420 * c-pragma.h (enum pragma_kind): New.
13421 (pragma_handler): New.
13422 (c_invoke_pragma_handler): Declare.
13423 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13425 * c-common.h (c_common_pch_pragma): Update decl.
13426 * Makefile.in (c-parser.o): Update dependencies.
13427 (GTFILES): Add c-pragma.h.
13428 * c-parser.c (struct c_token): Add pragma_kind.
13429 (struct c_parser): Add in_pragma.
13430 (c_lex_one_token): Always initialize keyword and pragma_kind.
13431 Extract data for CPP_PRAGMA.
13432 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13433 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13434 Don't allow CPP_PRAGMA_EOL if in_pragma.
13435 (c_parser_consume_pragma): New.
13436 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13437 (c_parser_skip_to_end_of_parameter): Likewise.
13438 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13439 (c_parser_skip_to_pragma_eol): New.
13440 (c_parser_external_declaration): Handle CPP_PRAGMA.
13441 (c_parser_compound_statement_nostart): Likewise.
13442 (c_parser_statement_after_labels): Likewise.
13443 (c_parser_pragma): New.
13444 (pragma_lex): Likewise.
13445 (c_parser_pragma_pch_preprocess): New.
13446 (c_parser_new): Merge into ...
13447 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13449 2006-01-04 Jeff Law <law@redhat.com>
13452 * tree-cfg.c (bsi_replace): Remove the original statement
13453 from the EH throw statement table.
13455 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13457 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13458 make the prototype extern "C" and add throw ().
13461 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13462 and pos non-negative and pos + len <= 32.
13463 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13464 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13465 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13468 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13469 as well as sizes not multiple of component size.
13472 * function.c (instantiate_expr): New function.
13473 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13474 walk its DECL_VALUE_EXPR with instantiate_expr.
13476 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13477 DW_OP_deref{,_size} if address isn't going to be added.
13479 2006-01-04 Ben Elliston <bje@au.ibm.com>
13481 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13482 * config/fp-bit.c: Likewise.
13484 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13486 * dominance.c: Add comment about why we use DFS numbering
13489 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13490 Richard Henderson <rth@redhat.com>
13492 Merge from gomp-branch:
13493 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13494 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13496 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13498 PR rtl-optimization/25578
13499 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13500 pass a parameter to simplify_shift_const if changing ASHIFTRT
13503 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13505 * builtins.c (get_builtin_sync_mem): New function.
13506 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13507 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13508 Call get_builtin_sync_mem to generate mem rtx.
13510 2006-01-03 Richard Guenther <rguenther@suse.de>
13513 * stmt.c (add_case_node): Make sure to clear overflow flags
13516 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13518 Merge from gomp-branch.
13519 * config/sparc/sync.md: New file.
13520 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13521 UNSPECV_LDSTUB): New constants.
13522 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13523 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13524 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13527 2006-01-03 Roger Sayle <roger@eyesopen.com>
13529 * combine.c (reg_subword_p): New predicate to test whether the
13530 destination of a set refers to a subword/piece of a register.
13531 (try_combine): Generalize the code to merge the setting of a
13532 pseudo to a constant followed by a set of a subword of that
13533 register to a constant.
13535 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13537 * basic-block.h (control_flow_graph): Change the type of
13538 x_label_to_block_map to VEC(basic_block,gc) *.
13539 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13540 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13542 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13543 VEC(basic_block,heap) *.
13544 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13545 ssa_prop_fini): Adjust the uses of cfg_blocks.
13547 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13549 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13551 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13552 hashing trees instead of a pointer hash.
13553 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13554 compare for MEM_EXPR.
13556 PR rtl-optimization/25130
13557 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13558 when comparing MEMs for GCSE
13560 2006-01-03 Ben Elliston <bje@au.ibm.com>
13562 * targhooks.h (default_decimal_float_supported_p): Declare.
13563 * targhooks.c (default_decimal_float_supported_p): Define.
13564 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13565 `default_decimal_float_supported_p'.
13566 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13568 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13570 * combine.c (apply_distributive_law <SUBREG>): Check
13571 TRULY_NOOP_TRUNCATION.
13573 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13575 * dwarf2out.c (have_switched_text_section): Delete.
13576 (have_multiple_function_sections): New.
13577 (have_location_lists): Make 'bool'.
13578 (add_AT_loc_list): Use 'true' not '1'.
13579 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13580 (output_loc_list): Use have_multiple_function_sections.
13581 (output_ranges): Likewise.
13582 (dwarf2out_begin_function): Set have_multiple_function_sections if
13584 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13585 Check function_section rather than DECL_SECTION_NAME.
13586 (dwarf2out_finish): Use have_multiple_function_sections.
13587 Don't clear have_location_lists.
13589 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13590 Jan Hubicka <jh@suse.cz>
13592 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13593 case of conditional jump jumping to the next instruction.
13594 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13595 cases of conditional jump jumping to the next instruction.
13597 2006-01-02 Jan Hubicka <jh@suse.cz>
13599 * i386.c (*_cost): Add COSTS_N_INSNS.
13600 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13602 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13605 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13607 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13609 * config/arm/arm.c (all_fpus): Fix comment typo.
13610 * config/darwin.c: Likewise.
13611 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13612 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13613 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13615 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13617 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13618 (rs6000_split_compare_and_swapqhi): New.
13619 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13620 (sync_compare_and_swapqhi_internal): New.
13621 * config/rs6000/rs6000-protos.h: Declare.