1 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4 * opts-common.c (prune_options): Skip joined switches.
6 2006-07-27 Jan Hubicka <jh@suse.cz>
8 PR rtl-optimization/28071
9 * cselib.c (cselib_process_insn): Don't remove useless values too
10 often for very large hashtables.
12 2006-07-27 Jan Hubicka <jh@suse.cz>
14 PR rtl-optimization/28071
15 * global.c (greg_obstack): New obstack.
16 (allocate_bb_info): Use it.
17 (free_bb_info): Likewise.
18 (modify_reg_pav): Likewise.
20 2006-07-27 Roger Sayle <roger@eyesopen.com>
22 * builtins.c (fold_fixed_mathfn): When long and long long are the
23 same size, canonicalize llceil*, llfloor*, llround* and llrint*
24 functions to their lceil*, lfloor*, lround* and lrint* forms.
26 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
29 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
31 (rev_branch_insn): Likewise.
33 2006-07-27 Jan Hubicka <jh@suse.cz>
35 PR rtl-optimization/28071
36 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
37 (reg_set_in_bb, max_reg_computed): New static variables.
38 (regmove_optimize): Free the new array.
39 (fixup_match_1): Update call of reg_is_remote_constant_p.
41 2006-07-26 Jan Hubicka <jh@suse.cz>
43 PR tree-optimization/27882
44 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
46 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
48 (cgraph_analyze_compilation_unit): Likewise.
49 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
50 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
51 (cgraph_early_inlinine): Make order garbage collected.
52 * Makefile.in (gt-ipa-inline): New garbagecollected file.
54 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
56 * dbxout.c (output_types_sort): Add a comment.
57 (output_used_types): Free the VEC.
59 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
61 * function.c (reorder_fix_fragments): Delete.
62 (reorder_blocks): Don't call it.
63 (reorder_blocks_1): Put all subblocks under the origin block.
65 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
67 PR rtl-optimization/27907
68 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
71 2006-07-25 Roger Sayle <roger@eyesopen.com>
74 * convert.c (convert_to_integer): When transforming (T)foo(x) into
75 bar(x) check that bar's result type can represent all the values of T.
77 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
79 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
81 2006-07-25 Nick Clifton <nickc@redhat.com>
83 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
85 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
86 (ggc_pch_count_object): Likewise.
87 (ggc_pch_alloc_object): Likewise.
88 (ggc_pch_write_object): Likewise.
89 (init_ggc): Do not attempt to initialize entries in the
90 size_lookup[] array for objects whose size is greater than than
91 the length of the array.
93 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
95 * dbxout.c (output_used_types_helper): Push queued types
97 (output_types_sort): New.
98 (output_used_types): Collect used types on a VEC and sort them
101 2006-07-24 Richard Guenther <rguenther@suse.de>
104 * cgraph.c (cgraph_remove_node): Do not check if dumps
106 * cgraphunit.c (cgraph_optimize): Likewise.
108 2006-07-24 Jan Hubicka <jh@suse.cz>
110 PR rtl-optimization/28071
111 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
112 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
113 splitting before first stmt.
115 2006-07-24 Jan Hubicka <jh@suse.cz>
117 PR rtl-optimization/28071
118 * ipa-inline.c (update_caller_keys): Remove edges that
119 are no longer inline candidates.
121 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
124 * dbxout.c (output_used_types_helper, output_used_types): New.
125 (dbxout_symbol): Call output_used_types.
127 2006-07-23 Jan Hubicka <jh@suse.cz>
131 * cgraph.c (cgraph_varpool_nodes): Export.
132 (decide_is_variable_needed): Ignored "used" attribute in
134 * cgraph.h (cgraph_varpool_nodes): Declare.
135 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
138 2006-07-23 Roger Sayle <roger@eyesopen.com>
141 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
142 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
143 the __gthrw form of thr_keycreate.
144 (__gthread_key_delete): Silence the unused argument warning.
146 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
149 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
150 Cache the last found '\0' marker to avoid quadratic behavior.
152 2006-07-23 Jan Hubicka <jh@suse.cz>
154 * i386.md (subsi_3_zext): Fix output template.
156 2006-07-21 Mike Stump <mrs@apple.com>
158 * doc/invoke.texi (C++ Dialect Options): Note that
159 -fvisibility-inlines-hidden doesn't affect explicitly
160 instantiationed inline methods.
162 2006-07-20 Roger Sayle <roger@eyesopen.com>
164 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
165 if the target assembler is GNU binutils' gas.
166 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
167 whether to pass GNU gas or native as command line options.
169 2006-07-20 Jason Merrill <jason@redhat.com>
171 * tree.c (remove_attribute): New fn.
172 * tree.h: Declare it.
174 2006-07-20 Paul Brook <paul@codesourcery.com>
177 * cse.c (cse_insn): Add destination addresses to hash table. Check if
178 they are invalidated by this instruction.
180 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
183 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
185 2006-07-20 Eric Christopher <echristo@apple.com>
188 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
190 2006-07-19 Eric Christopher <echristo@apple.com>
192 * config/t-slibgcc-darwin (stmp-lipo): Remove.
193 Rewrite dependencies for libgcc_s.1.dylib.
195 2006-07-19 Jakub Jelinek <jakub@redhat.com>
197 * except.c (duplicate_eh_regions_1): Clear next_peer.
199 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
201 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
202 -mlongcall does not guarantee all calls will be long.
203 * doc/extend.texi (long_call/short_call): Document that longcall
204 does not guarantee a long call will be used.
205 (longcall/shortcall): Likewise.
207 2006-07-18 Roger Sayle <roger@eyesopen.com>
210 * expmed.c (expand_shift): Additionally check that the shift_cost
211 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
212 before implementing a LSHIFT_EXPR as a sequence of additions.
213 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
214 middle-end that DImode shifts need to be synthesized by expand.
216 2006-07-18 Diego Novillo <dnovillo@redhat.com>
219 * tree-ssa-operands.c (access_can_touch_variable): Update
221 Return true if ALIAS is .GLOBAL_VAR.
223 2006-07-18 David Daney <ddaney@avtrex.com>
225 * gcc.c (display_help): Fix typo in help text.
227 2006-07-18 Olivier Hainque <hainque@adacore.com>
229 * tree.h (categorize_ctor_elements): Adjust prototype and add
230 descriptive comment, both in accordance with the interface change
232 * varasm.c (constructor_static_from_elts_p): New function.
233 Whether a constructor node is a valid static constant initializer
234 if all its elements are.
235 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
236 * output.h: Declare it.
237 * expr.c (categorize_ctor_elements_1): Return whether the constructor
238 is a valid constant initializer instead of computing the number of
239 non-constant elements. Use constructor_static_from_elts_p for this
240 purpose. Replace the head comment with an indication that this is a
241 helper for categorize_ctor_elements.
242 (categorize_ctor_elements): Same interface change as for the _1
243 helper. Former head comment from this helper moved here, adjusted to
244 account for the interface changes.
245 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
246 (all_zeros_p): Likewise.
247 * gimplify.c (gimplify_init_constructor): Decide whether we can make
248 static versions of the constructor from the categorize_ctor_elements
249 return value instead of the formerly computed number of non-constant
252 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
254 * configure: Regenerate.
255 * Makefile.in (build_libsubdir): New configure substitution
256 (build_libobjdir): New variable.
257 (BUILD_LIBIBERTY): Use it.
259 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
262 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
264 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
267 * c-common.c (handle_weakref_attribute): Ignore attribute in
268 the same conditions the alias attribute is ignored.
270 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
272 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
273 (dbxout_begin_prologue): Increment scope_labelno.
275 2006-07-17 Richard Henderson <rth@redhat.com>
278 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
281 2006-07-17 Roger Sayle <roger@eyesopen.com>
282 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
284 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
285 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
286 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
287 functions such as sbrk, write, etc.. Add function prototypes.
288 Convert function declarations from K&R to ISO C. Cast pointers
289 to "long" and "unsigned long" instead of "int" and "unsigned int".
290 Convert tokens following #endif into comments.
292 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
294 * invoke.texi: Remove mention of f77; Reformat table for
295 inline parameter options correctly; mention that -malign-double
296 is default on x86-64 targets.
298 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
300 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
301 (convert_affine_scev, chrec_convert_aggressive): Use
302 avoid_arithmetics_in_type_p. Do not check for the subtypes
305 2006-07-17 Richard Sandiford <richard@codesourcery.com>
308 * optabs.c (expand_doubleword_shift): Wrap the call to
309 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
311 2006-07-17 Richard Sandiford <richard@codesourcery.com>
314 * optabs.c (expand_binop): Pass next_methods rather than methods
315 to expand_doubleword_shift.
317 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
320 * tree.h (dump_addr): Declare.
321 * print-tree.c (dump_addr): New function.
322 (print_node_brief, print_node): Use it.
323 * print-rtl.c (print_rtx): Likewise.
324 * common.opt (-fdump-noaddr): New option.
325 * doc/invoke.texi (-fdump-noaddr): Document.
326 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
327 (ve_info_hash): Likewise.
329 2006-07-13 Andrew Haley <aph@redhat.com>
331 PR tree-optimization/19505
332 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
333 edge leaving this block, make sure that the destination of this
334 block has only one predecessor.
336 2006-07-17 Richard Guenther <rguenther@suse.de>
338 PR tree-optimization/28238
339 * tree-inline.c (copy_bb): Check if we produced valid
340 gimple copying and substituting a stmt. If not, gimplify
343 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
345 * optabs.c (maybe_encapsulate_block): New function extracted from...
346 (emit_libcall_block): ...here. Invoke it on the block of insns to
347 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
348 (emit_no_conflict_block): Likewise.
350 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
352 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
354 2006-07-15 Roger Sayle <roger@eyesopen.com>
356 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
357 a new NOP_EXPR case of the switch statement.
359 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
362 * stor-layout.c (place_field): Take the bit field with
363 an excessive size into account in the ms-bitfiled case.
366 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
367 the previous bit field.
369 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
372 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
374 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
376 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
377 signal frames correctly even when the signal was installed with
380 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
382 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
383 (dbxout_function_end): Use local label LFBB. Remove hook
385 (dbxout_source_line): Use local label LFBB.
386 (dbxout_block): Likewise.
387 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
388 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
389 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
392 2006-07-13 Janis Johnson <janis187@us.ibm.com>
394 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
396 2006-07-13 Jan Hubicka <jh@suse.cz>
398 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
400 * output.h (align_variable): Declare.
401 * varasm.c (align_variable): Export.
402 * value-prof.c (tree_value_profile_transformations): Recompute iterator
403 when basic block changed.
405 2006-07-13 Nick Clifton <nickc@redhat.com>
407 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
408 walking the LOG_LINKS chain.
410 2006-07-12 Geoffrey Keating <geoffk@apple.com>
412 * doc/invoke.texi (C++ Dialect Options): Explain difference
413 between -fvisibility-inlines-hidden and setting hidden
414 visibility explicitly.
416 2006-07-12 Eric Christopher <echristo@apple.com>
418 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
419 (stmp-lipo): Depend on libgcc.a.
421 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
423 * tree.c: Fix a comment typo.
425 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
427 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
429 (umulhisi3_r): Likewise.
431 2006-07-12 Paolo Carlini <pcarlini@suse.de>
434 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
435 x < 19, vs wchar_t support.
437 2006-07-12 Nick Clifton <nickc@redhat.com>
439 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
442 2006-07-12 Mike Stump <mrs@apple.com>
444 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
446 2006-07-10 Eric Christopher <echristo@apple.com>
448 * config/t-slibgcc-darwin: Rewrite.
450 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
453 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
456 2006-07-08 Matthias Klose <doko@debian.org>
458 * doc/sourcebuild.texi: Fix typo.
460 2006-07-07 Mike Stump <mrs@apple.com>
462 * toplev.c (process_options): Don't give -ffunction-sections may
463 affect debugging warning for Mach-O.
465 2006-07-07 James E Wilson <wilson@specifix.com>
467 * config/mips/mips.md (cpu): Add sb1a.
468 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
469 addition to sb1. Adjust comments to clarify SB-1A differences from
471 (ir_sb1a_load): New. Modify bypasses to use it.
472 (ir_sb1a_simple_alu): Likewise.
473 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
474 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
475 (mips_issue_rate): Add PROCESSOR_SB1A.
476 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
477 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
478 (TARGET_SB1): Add PROCESSOR_SB1A check.
479 (TUNE_SB1): Likewise.
481 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
482 * config/mips/mips.c (mips_store_data_bypass_p): New.
483 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
486 2006-07-08 Paul Brook <paul@codesourcery.com>
489 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
491 2006-07-07 Richard Guenther <rguenther@suse.de>
494 * tree.h (build_one_cst): Declare.
495 * tree.c (build_one_cst): New function.
496 * tree-ssa-math-opts.c (get_constant_one): Remove.
497 (insert_reciprocals): Use build_one_cst.
498 * fold-const.c (fold_plusminus_mult): Likewise.
500 2006-07-07 Roger Sayle <roger@eyesopen.com>
502 * pointer-set.c (pointer_set_destroy): Correct whitespace.
503 * cfgloopanal.c (dump_graph): Likewise.
504 * dojump.c (discard_pending_stack_adjust): Likewise.
505 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
507 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
508 * function.c (finalize_block_changes): Likewise.
509 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
510 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
511 * rtl.c (dump_rtx_statistics): Likewise.
512 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
514 * varray.c (dump_varray_statistics): Likewise.
515 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
516 decode_decimal64, encode_decimal128, decode_decimal128,
517 decimal_real_to_decimal): Likewise.
519 2006-07-07 Richard Guenther <rguenther@suse.de>
521 PR tree-optimization/28187
522 * tree-vrp.c (vrp_operand_equal_p): New function.
523 (vrp_bitmap_equal_p): Likewise.
524 (update_value_range): Use them to compare old and new
527 2006-07-06 Roger Sayle <roger@eyesopen.com>
529 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
530 a default case to switch statement to silence compiler warnings.
532 2006-07-06 Roger Sayle <roger@eyesopen.com>
535 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
536 the configured assembler supports the x87's ffreep mnemonic.
537 * configure: Regenerate.
538 * config.in: Regenerate.
540 * config/i386/i386.c (output_387_ffreep): New function.
541 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
542 (output_387_reg_move): Likewise.
544 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
546 Port to hosts whose 'sort' and 'tail' implementations
547 treat operands with leading '+' as file names, as POSIX
548 has required since 2001. However, make sure the code still
549 works on pre-POSIX hosts.
550 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
551 which says you should use "tail -c +N" rather than "tail +Nc".
552 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
554 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
556 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
559 2006-07-06 David Edelsohn <edelsohn@gnu.org>
562 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
563 PRE_{INC,DEC} of TFmode.
565 2006-07-06 David Edelsohn <edelsohn@gnu.org>
566 Alan Modra <amodra@bigpond.net.au>
569 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
572 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
575 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
576 Remove duplicate gtu.
578 2006-07-05 Jason Merrill <jason@redhat.com>
582 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
583 * c-common.c (handle_packed_attribute): So don't copy it here.
584 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
586 2006-07-05 Mike Stump <mrs@apple.com>
588 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
590 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
593 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
595 2006-07-05 Richard Guenther <rguenther@suse.de>
598 * config/i386/i386.md (*negdf2_1): Restrict pattern to
599 TARGET_SSE2 targets if using SSE math.
600 (*absdf2_1): Likewise.
602 2006-07-05 Richard Guenther <rguenther@suse.de>
604 PR tree-optimization/28162
605 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
606 make sure to convert the operands to the correct type.
608 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
610 PR tree-optimization/28218
612 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
613 to calculate and free the dominator information.
615 2006-07-04 Peter O'Gorman <peter@pogma.com>
617 * mklibgcc.in: chmod 644 before ranlib during install.
619 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
620 J"orn Rennecke <joern.rennecke@st.com>
622 * configure.ac (.eh_frame data check): Use diff -b.
624 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
627 * Makefile.in (BUILD_RTL): Add build/vec.o.
628 (build/gencondmd.o): Filter out -fkeep-inline-functions.
629 (build/genextract): Delete.
630 (build/genautomata): Likewise.
632 2006-07-04 Alan Modra <amodra@bigpond.net.au>
635 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
636 128-bit IBM long doubles for ABI_V4.
638 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
640 * tree.c (range_in_array_bounds_p): New predicate.
641 * tree.h (range_in_array_bounds_p): Declare it.
642 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
643 return a less conservative answer.
644 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
646 (IS_ELEMENT_FOR_GROUP): New macro.
647 (FOR_EACH_ACTUAL_CHILD): Likewise.
648 (next_child_for_group): New helper function.
649 (can_completely_scalarize_p): Take into account groups.
650 (sra_hash_tree): Handle RANGE_EXPR.
651 (sra_elt_eq): Likewise.
652 (lookup_element): Be prepared for handling groups.
653 (is_valid_const_index): Delete.
654 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
655 instead of is_valid_const_index.
656 <ARRAY_RANGE_REF>: New case.
657 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
658 is_valid_const_index.
659 <ARRAY_RANGE_REF>: Do not unconditionally punt.
660 (scan_dump): Dump info for groups too.
661 (decide_instantiation_1): Likewise.
662 (decide_block_copy): Assert that the element is not a group.
663 Propagate decision to groups.
664 (generate_one_element_ref): Handle RANGE_EXPR.
665 (mark_no_warning): Iterate over actual childs.
666 (generate_copy_inout): Likewise.
667 (generate_element_copy): Likewise.
668 (generate_element_zero): Likewise.
669 (generate_element_init_1): Likewise.
670 (dump_sra_elt_name): Handle RANGE_EXPR.
672 2006-07-03 Roger Sayle <roger@eyesopen.com>
674 PR tree-optimization/26251
675 * tree-ssa-threadupdate.c (redirection_block_p): New function.
676 (thread_block): When optimizing for size refuse to thread jumps
677 that would require duplication of blocks other than redirection
680 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
682 * configure.ac: Fix thinko in previous check-in.
683 * configure: Regenerate.
685 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
688 * configure.ac (for lang...): Simplify nesting of conditionals.
689 Test subdir_requires for non-enabled languages. Move processing
690 of lang_opt_files and lang_tree_fiels below that test.
691 * configure: Regenerate.
692 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
694 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
696 * doc/gcov.texi (Invoking Gcov): Add a missing word.
698 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
700 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
703 2006-06-29 Jason Merrill <jason@redhat.com>
710 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
711 * c-common.c (c_determine_visibility): Handle it here.
712 * c-decl.c (finish_decl): Call c_determine_visibility for
714 * flags.h (enum symbol_visibility): Sort from most to least visibility.
716 * varasm.c (default_assemble_visibility): Likewise.
717 * c-common.c (handle_visibility_attribute): Complain about trying
718 to give visibility to an already defined class, or trying to change
719 declared visibility. Always attach the attribute.
724 * attribs.c (decl_attributes): Ignore type-in-place attributes
725 once the type has been defined.
727 2006-06-29 Roger Sayle <roger@eyesopen.com>
730 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
731 to indicate the cpplib has issued an error message for us.
733 2006-06-29 Asher Langton <langton2@llnl.gov>
736 * config/i386/i386.c (ix86_output_function_epilogue): Don't
737 insert a label at the end of an function under Mach-O.
739 2006-06-29 Eric Christopher <echristo@apple.com>
740 Evan Cheng <evan.cheng@apple.com>
742 * predicates.md (vector_all_ones_operand): New.
743 (nonimmediate_or_sse_const_operand): Ditto.
744 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
745 * config/i386/i386.c (standard_sse_constant_opcode): Define.
746 (standard_sse_mode_p): Ditto.
747 (standard_sse_constant_p): Add case for -1 vector.
748 (ix86_expand_vector_move): Try to use.
749 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
750 Call standard_sse_constant_opcode.
751 (*movv4sf_internal): Ditto.
752 (*movv2df_internal): Ditto.
754 2006-06-29 Roger Sayle <roger@eyesopen.com>
756 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
757 of XEXP to extract the operands of a MATCH_CODE rtx.
759 2006-06-28 Andrew Pinski <pinskia@gmail.com>
761 * tree.c (tree_size): Do not waste tail padding in
762 struct tree_string and make the size be the same as
763 build_string will generate.
765 2006-06-28 Jason Merrill <jason@redhat.com>
768 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
769 may_aliases already in the tag's annotations to the bitmap.
771 2006-06-28 Roger Sayle <roger@eyesopen.com>
773 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
775 2006-06-28 Roger Sayle <roger@eyesopen.com>
777 * genpreds.c (generate_switch_p): New function.
778 (add_mode_tests): Push the new mode test down inside an AND expr
779 if this allows the switch-suitable MATCH_CODE to be near the root.
780 (write_match_code_switch): New function to write a MATCH_CODE as
782 (write_predicate_stmts): New function to write a predicate RTX
783 expression as a sequence of statements.
784 (write_one_predicate_function): Use write_predicate_stmts.
785 (write_tm_constrs_h): Likewise.
787 2006-06-26 Fred Fish <fnf@specifix.com>
789 * config/mips/t-sb1: New file.
790 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
793 2006-06-26 DJ Delorie <dj@redhat.com>
795 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
797 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
798 Jayant Sonar <jayants@kpitcummins.com>
799 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
801 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
802 (subsi3, subsi3_1, subsi3_2): New.
803 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
804 * config/m32c/mov.md (SI mov peephole): New.
805 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
806 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
808 2006-06-26 Olivier Hainque <hainque@adacore.com>
810 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
811 a CALL_EXPR target function declaration.
813 2006-06-26 Richard Guenther <rguenther@suse.de>
815 * tree.c (build_string): Do not waste tail padding in
818 2006-06-26 Richard Guenther <rguenther@suse.de>
820 * ggc-page.c (init_ggc): Add missing element to size_lookup
824 2006-06-23 Richard Guenther <rguenther@suse.de>
826 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
827 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
828 alignment requests instead. Add verification code.
829 Add struct tree_function_decl and struct tree_binfo size to
830 extra_order_size_table. Add missing element to size_lookup
833 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
836 * fold-const.c (const_binop): Be prepared for self returning zero.
837 Simplify code handling complex values.
839 2006-06-24 Olivier Hainque <hainque@adacore.com>
841 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
842 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
845 2006-06-24 Olivier Hainque <hainque@adacore.com>
847 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
848 ARRAY_REF, so have the callback called for the low bound expression.
850 2006-06-23 Janis Johnson <janis187@us.ibm.com>
852 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
853 * c-typeck.c (c_common_type): Disallow operations on decimal float
854 types and other float types.
855 * convert.c (convert_to_real): Don't ignore conversions involving
858 2006-06-23 Olivier Hainque <hainque@adacore.com>
860 * tree.c (max_int_size_in_bytes): New function, inspired from
861 code in function.c:assign_temp.
862 * tree.h (max_int_size_in_bytes): Declare.
863 * function.c (assign_temp): Use it.
864 * gimplify.c (create_tmp_var): Relax the assertions on the type
865 properties, not mandating constant size any more.
866 (force_constant_size): New static function.
867 (gimple_add_tmp_var): Use it, forcing variable size to a
868 constant upper bound if it is not constant on entry.
870 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
873 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
874 for initialization and setting of one_only flag to ...
875 (i386_pe_encode_section_info): ...here.
876 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
877 Recheck that the symbol has not been defined.
879 2006-06-23 Richard Guenther <rguenther@suse.de>
881 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
882 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
883 alignment requests instead. Add verification code.
884 Add struct tree_function_decl and struct tree_binfo size to
885 extra_order_size_table. Add missing element to size_lookup
888 2006-06-22 Roger Sayle <roger@eyesopen.com>
889 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
892 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
893 call to lang_hooks.types.type_for_mode returned NULL_TREE.
895 2006-06-23 Ben Elliston <bje@au.ibm.com>
897 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
898 negate dn -- manipulate it directly.
900 2006-06-22 Roger Sayle <roger@eyesopen.com>
901 Steven Bosscher <stevenb.gcc@gmail.com>
904 * reload1.c (gen_reload): Call mark_jump_label on the new insns
905 generated by gen_move_insn to add REG_LABEL notes if necessary.
907 2006-06-22 Bob Wilson <bob.wilson@acm.org>
909 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
910 (leaf_entry): Remove use of MIN_ESA.
912 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
914 PR rtl-optimization/28121
915 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
918 2006-06-21 DJ Delorie <dj@redhat.com>
920 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
922 (mulhisi3_r): Likewise.
924 2006-06-21 Richard Sandiford <richard@codesourcery.com>
927 * coverage.c (coverage_counter_alloc): Leave the index type
929 (coverage_counter_alloc): Use null arguments for operands 2 and 3
932 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
934 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
935 section from the "Options for Code Generation Conventions".
937 2006-06-21 Richard Henderson <rth@redhat.com>
941 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
943 (global_symbolic_operand): Allow weak symbols, even if local_p.
945 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
947 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
948 (find_interesting_uses_address): Punt if above function returns true.
950 2006-06-21 Richard Guenther <rguenther@suse.de>
952 * configure: Regenerated.
954 2006-06-21 Joseph Myers <joseph@codesourcery.com>
956 * config/mips/mips.c (function_arg): Where one part of a
957 complex argument is in registers and the other part in the stack,
958 return a REG not a PARALLEL.
960 2006-06-21 Mark Mitchell <mark@codesourcery.com>
962 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
963 when cross-compiling. Do not substitute libstdcxx_incdir.
964 * configure: Regenerated.
966 2006-06-21 Jakub Jelinek <jakub@redhat.com>
968 * varasm.c (mergeable_string_section): Check for embedded NULs and
969 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
970 rather than TREE_STRING_LENGTH bytes.
972 2006-06-21 Richard Guenther <rguenther@suse.de>
974 * ggc-page.c (extra_order_size_table): Add var_ann_d,
975 tree_ssa_name, bitmap_element and phi_node with 4 arguments
978 2006-06-21 Richrad Guenther <rguenther@suse.de>
980 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
981 Limit iteration over the dominators.
983 2006-06-20 Roger Sayle <roger@eyesopen.com>
985 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
986 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
988 2006-06-20 Richard Guenther <rguenther@suse.de>
989 Michael Matz <matz@suse.de>
991 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
993 * alloc-pool.c (free_alloc_pool_if_empty): New function.
994 * et-forest.h (et_free_pools): Prototype new function.
995 * et-forest.c (et_free_tree_force): Free parent occurrence.
996 (et_free_pools): New function.
997 * dominance.c (free_dominance_info): Free et-forest alloc
1000 2006-06-20 Roger Sayle <roger@eyesopen.com>
1002 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1003 integer modes, attempt to directly construct an integer constant.
1005 * fold-const.c (native_encode_vector): Determine the size of each
1006 element from the vector type instead of the first vector element.
1008 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1009 if all of its elements/components are constant.
1010 (build_constructor_from_list): Likewise.
1012 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1014 PR tree-optimization/27331
1015 * tree-data-ref.c (free_data_ref): New function.
1016 (create_data_ref): Fail if the data reference has unknown access
1018 (free_data_refs): Use free_data_ref.
1020 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1023 * tree-inline.c (setup_one_parameter): Strip useless
1024 type conversion before adding it to the IR.
1025 (declare_return_variable): Likewise.
1027 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1030 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1032 2006-06-19 Mike Stump <mrs@apple.com>
1034 * tree.c (variably_modified_type_p): VM arguments don't make the
1037 2006-06-19 Richard Guenther <rguenther@suse.de>
1039 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1040 type conversions after folding.
1042 2006-06-19 Richard Guenther <rguenther@suse.de>
1044 * ggc-page.c (extra_order_size_tab): Add entries with
1045 size of struct function and basic_block.
1046 (size_lookup): Extend to cover sizes up to 511.
1047 (ggc_alloc_stat): Adjust user.
1048 (ggc_pch_count_object): Likewise.
1049 (ggc_pch_alloc_object): Likewise.
1050 (ggc_pch_write_object): Likewise.
1052 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1054 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1055 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1058 2006-06-19 Denis Chertykov <denisc@overta.ru>
1060 * config/avr/libgcc.S : Correct my wrong previous commit.
1062 2006-06-19 Roger Sayle <roger@eyesopen.com>
1065 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1066 have stripped a SUBREG from the shift count, so we may need to
1067 convert_to_mode back to the type's mode before calling make_tree.
1068 Use new_amount instead of amount to avoid expanding a tree twice.
1070 2006-06-19 Richard Guenther <rguenther@suse.de>
1073 * fold-const.c (operand_equal_p): Check if the argument types
1074 have the same precision before stripping NOPs.
1076 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1078 Fix PR tree-optimization/27341
1079 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1081 * tree-complex.c (pass_lower_complex): Update SMT usage.
1083 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1085 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1086 Add a new alternative to the constraint strings. Add move of
1087 operand 1 to 3 to the splitter definition.
1088 ("doloop_si_long"): Second contraint alternative removed.
1090 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1092 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1093 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1095 (AVR_HAVE_MOVW) Define.
1096 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1097 (ASM_SPEC): Add avr25.
1098 (LINK_SPEC): Add avr25.
1099 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1100 (base_arch_s): Add new member 'have_movw_lpmx'.
1101 (avr_arch_types): Init 'have_movw_lpmx'.
1102 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1103 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1104 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1105 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1106 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1108 (avr_file_start): Do not output '.arh' derective.
1109 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1110 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1111 * config/avr/avr.md (mcu_enhanced): Delete.
1112 (mcu_have_movw): Define.
1113 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1114 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1115 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1116 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1117 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1118 attiny861 and at86rf401 devices.
1120 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1122 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1125 2006-06-17 Karl Berry <karl@gnu.org>
1127 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1128 doc/gccint.texi, doc/install.texi (@dircategory): Use
1129 "Software development" instead of "Programming", following
1130 the Free Software Directory.
1132 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1134 * config/i386/i386.c (legitimate_tls_address)
1135 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1136 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1137 (*tls_dynamic_gnu2_combine_64): Likewise.
1139 2006-06-16 Richard Guenther <rguenther@suse.de>
1142 * fold-const.c (negate_expr_p): Do not introduce undefined
1143 overflow in negating INTEGER_CSTs.
1144 (fold_negate_expr): Rename from negate_expr. Revert last
1145 change for folding BIT_NOT_EXPR. Change semantics to
1146 return NULL_TREE for non-simplified negations. Do not
1147 strip type conversions and unify type handling.
1148 (negate_expr): New function, wrap around fold_negate_expr
1149 but ensure building a tree always. Strip type conversions
1150 here, fold to result type.
1151 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1153 2006-06-16 Roger Sayle <roger@eyesopen.com>
1156 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1157 that (would) return their results in stack registers.
1159 2006-06-16 Michael Matz <matz@suse.de>
1160 Richard Guenther <rguenther@suse.de>
1162 * fold-const.c (fold_truthop): Only return new tree node if
1163 we canonicalized something.
1165 2006-06-16 Richard Guenther <rguenther@suse.de>
1167 * function.h (enum function_frequency): Move declaration
1168 out of struct function.
1169 (struct function): Move bool fields and the enum to the bitfield
1170 section. Reorder elements to avoid padding. Remove unused
1171 fields left over from the RTL inliner removal.
1172 * function.c (free_after_compilation): Do not zero removed fields.
1173 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1174 (ipa-type-escape.o): Likewise.
1176 2006-06-16 Richard Guenther <rguenther@suse.de>
1178 * cgraph.h (struct cgraph_local_info): Turn bool elements
1180 (struct cgraph_node): Likewise.
1181 (struct cgraph_varpool_node): Likewise.
1183 2006-06-15 Richard Guenther <rguenther@suse.de>
1185 * fold-const.c (fold_truth_not_expr): Rename from
1186 invert_truthvalue. Give it fold_* semantics to avoid
1188 (invert_truthvalue): New function. Wrapper around
1189 fold_truth_not_expr.
1190 (optimize_minmax_comparison): Avoid creating garbage.
1191 (fold_unary): Use fold_truth_not_expr for folding
1193 (fold_ternary): Replace uses of invert_truthvalue with
1194 fold_truth_not_expr where applicable.
1195 * tree.h (fold_truth_not_expr): Prototype.
1197 2006-06-16 Richard Guenther <rguenther@suse.de>
1199 PR tree-optimization/27781
1200 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1201 * ipa-pure-const.c (target.h): Include.
1202 (analyze_function): Do not analyze functions that do not
1205 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1208 * tree-dfa.c (referenced_vars_dup_list): Remove.
1209 (find_referenced_vars): Remove assert.
1210 (referenced_var_check_and_insert): Replace dup list with assert.
1211 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1212 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1214 2006-06-15 Richard Guenther <rguenther@suse.de>
1216 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1217 extra unused identifiers if not dumping.
1218 (create_variable_info_for): Likewise.
1220 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1222 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1223 (derive_constant_upper_bound): Derive more precise upper bound in
1224 common cases. Return type changed to double_int.
1225 (record_estimate): Reflect the changed return type of
1226 derive_constant_upper_bound.
1227 * double-int.c (double_int_zext, double_int_sext): Fix.
1229 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1231 * configure.ac (CFLAGS): Get them from the toplevel or from the
1232 configure invocation.
1233 * configure: Regenerate.
1234 * Makefile.in (CFLAGS): Substitute value provided by configure.
1236 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1239 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1240 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1241 rather than calling add_stmt on it.
1242 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1244 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1247 * reload1.c (reload): Remove registers returned by update_eliminables
1248 from used_spill_regs.
1250 2006-06-13 DJ Delorie <dj@redhat.com>
1252 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1254 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1256 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1257 html__strip_dir, html__mkdir_p. Enhance install-html target.
1258 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1259 * configure: Regenerate.
1261 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1263 * fold-const.c (fold_cond_expr_with_comparison): Check for
1264 Objective-C++ as language in deciding COND_EXPR transformation.
1266 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1269 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1270 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1271 * config/sh/lib1funcs.h (SL, SL1): Define.
1272 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1273 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1274 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1275 (OBJS_Os_4_200): New variable.
1276 ($(T)libgcc-Os-4-200.a): Use it.
1277 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1278 when dividing 1 and/or by 0.
1280 2006-06-13 Roger Sayle <roger@eyesopen.com>
1282 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1283 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1284 * configure: Regenerate.
1286 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1288 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1289 for real instruction.
1291 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1294 * haifa-sched.c (check_cfg): Handle special case.
1296 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1299 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1300 Add debug_info parameter. Chain the vars to the BLOCK instead
1301 of the BIND_EXPR if debug info are requested for them.
1302 (pop_gimplify_context): Adjust for above change.
1303 (gimple_add_tmp_var): Likewise.
1304 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1306 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1307 (convert_local_reference): Likewise.
1308 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1309 (finalize_nesting_tree_1): Request that debug info be emitted
1310 for debug_var_chain.
1312 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1314 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1315 for PR target/27863.
1317 2006-06-13 Richard Guenther <rguenther@suse.de>
1320 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1322 2006-06-13 Richard Guenther <rguenther@suse.de>
1324 PR tree-optimization/27830
1325 * tree-inline.c (copy_body_r): For copying the operand
1326 of an ADDR_EXPR make sure to fold &* afterwards.
1328 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1330 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1331 lvalues in the fb_none case with side-effects.
1333 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1335 * tree-flow.h: Remove the prototype for
1336 compute_phi_arg_on_exit.
1337 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1338 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1341 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1343 * builtins.c (expand_builtin_return_addr): Only use
1344 frame_pointer_rtx when count == 0 and we are expanding
1345 __builtin_return_address.
1347 2006-06-12 Fred Fish <fnf@specifix.com>
1349 * config/mips/mips.c (mips_file_start): Create special section
1350 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1352 2006-06-11 Eric Christopher <echristo@apple.com>
1355 * stor-layout.c (place_field): Remove check for
1356 remaining_in_alignment when aligning at the end of a run.
1358 2006-06-11 Eric Christopher <echristo@apple.com>
1361 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1364 2006-06-11 Roger Sayle <roger@eyesopen.com>
1367 Revert incorrect fix for PR target/27158
1368 2006-05-08 Roger Sayle <roger@eyesopen.com>
1369 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1370 of a reg_equiv_constant if the result is a legitimate constant.
1372 2006-06-11 Roger Sayle <roger@eyesopen.com>
1375 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1376 extract a CONST_VECTOR element and interpret it as an integer.
1377 (vspltis_constant): Use const_vector_elt_as_int instead of the
1378 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1379 * config/rs6000/predicates.md (easy_vector_const): Consider
1380 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1382 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1385 * stor-layout.c (update_alignment_for_field): Don't add extra
1386 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1389 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1391 * config/mips/t-rtems: Add EL/EB multilib variants.
1393 2006-06-09 Mike Stump <mrs@apple.com>
1395 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1397 2006-06-09 David Daney <ddaney@avtrex.com>
1399 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1401 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1403 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1405 2006-06-09 Richard Guenther <rguenther@suse.de>
1407 PR tree-optimization/26998
1408 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1409 of signed types, only TYPE_MIN_VALUE is special, but for both,
1410 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1411 in this case, as is -fwrapv.
1413 2006-06-08 Mike Stump <mrs@apple.com>
1416 * config/darwin.c (darwin_asm_output_anchor): Disable
1417 -fsection-anchors on darwin for now.
1418 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1419 * rs6000/rs6000.c (optimization_options): Likewise.
1421 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1424 * config/i386/i386.c (classify_argument): Skip fields with invalid
1427 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1429 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1430 (cse_insn): Likewise for the stack_pointer_rtx.
1432 2006-06-08 Roger Sayle <roger@eyesopen.com>
1434 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1435 conditions from floating point comparisons.
1437 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1440 * expmed.c (struct alg_hash_entry): Fix type of field T
1441 to match synth_mult argument.
1442 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1444 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1447 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1450 2006-06-08 Richard Guenther <rguenther@suse.de>
1453 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1454 only, if overflow is defined and not trapping.
1455 (negate_expr): Likewise.
1457 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1459 PR tree-optimization/27872
1460 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1461 flag on the new exit edge of the unrolled loop.
1463 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1465 PR rtl-optimization/26449
1466 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1468 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1471 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1472 referenced_variables with matching DECL_UID's.
1473 (find_referenced_vars): Make sure duplicate list is empty to start.
1474 (referenced_var_p): Remove.
1475 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1476 Check if var is in the list, and add if needed. Update the duplicate
1477 list if a different var is in the list with the same DECL_UID.
1478 (add_referenced_var): Call routine to check and insert.
1479 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1480 * tree-flow.h (referenced_vars_dup_list): External declaration.
1482 2006-06-07 Fred Fish <fnf@specifix.com>
1484 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1487 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1490 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1491 the imaginary and real parts of a clobbered register.
1492 Emit insn to set the imaginary part.
1494 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1496 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1497 in lieu of unwind-dw2-fde.c.
1499 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1501 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1503 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1506 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1507 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1508 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1509 V4SImode temporaries and operations instead.
1511 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1513 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1516 2006-06-06 Mike Stump <mrs@apple.com>
1518 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1519 installing during build.
1521 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1523 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1525 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1526 * config/ia64/ia64.c (params.h): New header.
1527 (ia64_optimization_options): New function to adjust parameters.
1528 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1529 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1530 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1532 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1534 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1536 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1539 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1541 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1542 Victor Kaplansky <victork@il.ibm.com>
1544 PR tree-optimization/26360
1545 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1548 2006-06-04 Roger Sayle <roger@eyesopen.com>
1549 Andrew Pinski <pinskia@physics.uc.edu>
1552 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1553 for LABEL_DECL before calling DECL_WEAK.
1556 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1557 LABEL_DECL and PARM_DECL.
1559 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1563 * c-decl.c (grokdeclarator): Disallow variably modified types at
1564 file scope. Avoid marking shared array type of constant size as
1567 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1570 * c-common.c (fold_offsetof_1): Handle static members.
1572 2006-06-04 Eric Christopher <echristo@apple.com>
1574 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1575 (debug_rli): Output value for remaining_in_alignment.
1576 (update_alignment_for_field): Unconditionalize
1577 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1578 extra alignment code.
1579 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1580 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1581 * tree.h (record_layout_info_s): Remove prev_packed.
1582 * doc/extend.texi (ms_struct): Add documentation of format.
1584 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1586 * tree.h: Declare folding_initializer.
1587 * builtins.c (fold_builtin_constant_p): Give definite answer
1588 if folding inside an initializer.
1589 * fold-const.c: Define folding_initializer.
1590 (START_FOLD_INIT): Save and then set folding_initializer.
1591 (END_FOLD_INIT): Restore folding_initializer.
1593 2006-06-04 Richard Guenther <rguenther@suse.de>
1595 PR tree-optimization/27039
1596 * fold-const.c (fold_comparison): Handle pointer comparison
1597 again for all comparison codes. Compare offsets in signed
1599 (fold_binary): Move code from here.
1601 2006-06-03 Roger Sayle <roger@eyesopen.com>
1604 * config/i386/i386.c (construct_container): Split static issued_error
1605 flag into issued_sse_arg_error, issued_sse_ret_error and
1606 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1607 requires the use of x87 registers and the user explicitly
1608 specified the -mno-80387 command line option.
1610 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1612 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1613 HAVE_DECL_SIGALTSTACK.
1615 (segv_handler): Use MC_FLD.
1616 * configure.ac: Check for a sigaltstack declaration.
1617 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1618 * configure: Regenerate.
1619 * config.in: Regenerate.
1621 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1624 * Makefile.in (stmp-fixinc): Fix typo.
1626 2006-06-02 Roger Sayle <roger@eyesopen.com>
1628 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1629 are type correct. Clean-up.
1630 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1631 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1633 2006-06-01 DJ Delorie <dj@redhat.com>
1635 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1636 shift, as we've disabled the "switch" insn that needs it.
1638 2006-06-01 Per Bothner <bothner@bothner.com>
1640 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1641 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1642 * c-ppoutput.c (cb_define): Don't increment line 0.
1644 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1646 * doc/invoke.texi: Add cpu_type power6.
1647 * config.gcc: Add cpu_type power6.
1648 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1649 to power5+ with Altivec.
1650 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1651 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1653 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1655 * config/avr/avr.h (SET_ASM_OP): Define.
1657 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1659 * config/bfin/bfin.c: Fix comment typos.
1661 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1664 * doc/install.texi: Document --enable-bootstrap and
1665 --disable-bootstrap.
1667 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1669 * doc/install.texi: Document that InfoZIP can replace jar.
1671 2006-05-31 Roger Sayle <roger@eyesopen.com>
1673 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1674 isn't available, directly generate the simpler x87 patterns without
1675 the (use (const_int 0)).
1676 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1677 implementation isn't available.
1678 (*negdf2_1): Likewise.
1679 (*negxf2_1): XF mode negation is always done using the x87.
1680 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1682 2006-05-31 Roger Sayle <roger@eyesopen.com>
1684 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1685 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1687 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1689 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1691 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1692 * config/bfin/bfin.c (basic-block.h): Include.
1693 (struct machine_function): New.
1694 (bfin_init_machine_status): New.
1695 (override_options): Initialize init_machine_status.
1696 (bfin_hardware_loop): New.
1697 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1698 (DEF_VEC_P (loop_info)): New.
1699 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1700 (struct loop_info): New.
1701 (loop_info): New typedef.
1702 (struct loop_work): New.
1703 (loop_work): New typedef.
1704 (DEF_VEC_O (loop_work)): New.
1705 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1706 (bfin_dump_loops): New.
1707 (bfin_bb_in_loop): New.
1708 (bfin_scan_loop): New.
1709 (bfin_optimize_loop): New.
1710 (bfin_reorg_loops): New.
1711 (bfin_reorg): Use bfin_reorg_loops.
1712 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1714 (I_REGNO_P): Simplify.
1715 (DP_REGNO_P, DPREG_P): New macros.
1716 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1717 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1718 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1719 Add LT_REGS, LC_REGS, LB_REGS.
1720 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1722 (REGNO_REG_CLASS): Deal with loop registers.
1723 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1725 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1726 New constants for loop registers.
1727 (UNSPEC_LSETUP_END): New.
1728 (seq_insns): New define_attr. Set it for appropriate insns.
1729 (movsi_insn): Add alternatives for move from/to
1730 loop count registers.
1731 (doloop_end): New define_expand.
1732 (loop_end): New define_insn.
1733 (define_split for bad doloop_end): New.
1734 (lsetup_with_autoinit): New define_insn.
1735 (lsetup_without_autoinit): New define_insn.
1736 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1737 * config/bfin/predicates.md (lc_register_operand): New.
1738 (lt_register_operand): New.
1739 (lb_register_operand): New.
1740 (nondp_register_operand): New.
1741 (nondp_reg_or_memory_operand): New.
1742 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1744 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1746 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1747 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1749 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1751 * Makefile.in (CATALOGS): Add po/ prefix.
1752 * configure: Regenerated.
1754 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1757 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1758 a shift operand before calling shift_op. Avoid redundant call of
1761 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1762 DJ Delorie <dj@redhat.com>
1764 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1765 we're inserting is a singlt-bit constant.
1767 2006-05-30 Roger Sayle <roger@eyesopen.com>
1769 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1770 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1772 2006-05-30 Roger Sayle <roger@eyesopen.com>
1774 PR tree-optimization/23452
1775 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1776 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1777 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1778 complex values and with -ffast-math for FP complex values.
1780 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1782 * c-common.h: Remove the prototype for yyparse.
1783 * rtl.h: Remove the prototype for init_loop.
1785 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1787 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1790 2006-05-30 Roger Sayle <roger@eyesopen.com>
1792 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1794 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1795 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1797 2006-05-30 Dirk Mueller <dmueller@suse.de>
1800 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1801 for CONSTANT_CLASS_P expresisons.
1803 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1806 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1808 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1810 PR tree-optimization/27779
1811 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1812 initial_condition instead of CHREC_LEFT.
1814 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1816 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1817 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1818 Make prototypes ISO C90.
1820 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1821 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1823 * see.c (see_analyze_one_def): Correct check.
1824 (see_get_extension_data): Check if extension is parallel.
1825 (see_get_extension_reg): Likewise.
1827 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1830 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1831 into register for (code == GTU).
1833 2006-05-29 Roger Sayle <roger@eyesopen.com>
1835 PR tree-optimization/24964
1836 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1837 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1838 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1839 abs(x)*abs(x) as x*x for scalar floating point modes.
1841 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1844 * lambda-code.c (perfect_nestify): Don't copy statements
1845 in the inner loop: move them to the inner loop header.
1847 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1850 * c-tree.texi: Document OpenMP directives and clauses.
1852 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1854 * varasm.c (globalize_decl): Fix indentation.
1856 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1859 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1860 pass_fre, pass_store_ccp, pass_copy_prop,
1861 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1862 pass_return_slot, pass_object_size, pass_lim,
1863 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1864 pass_loop_prefetch and pass_stdarg.
1866 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1868 * config/bfin/bfin.opt (mfdpic): New option.
1869 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1870 (EXTRA_MULTILIB_PARTS): Likewise.
1871 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1872 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1874 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1875 (CRT_CALL_STATIC_FUNCTION): New.
1876 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1878 (CRT_CALL_STATIC_FUNCTION): New.
1879 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1881 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1882 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1883 (initialize_trampoline): Changed to handle FD-PIC code generation.
1884 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1885 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1886 (override_options): Disallow -mid-shared-library -mfdpic combination.
1887 Can't do unaligned ops if FD-PIC.
1888 Turn off flag_pic if trying to generate non-id-shared-library
1889 non-fdpic code, since it's not supported.
1890 (bfin_assemble_integer): New function.
1891 (TARGET_ASM_INTEGER): Define.
1892 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1894 * config/bfin/crtn.s: Restore them.
1895 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1897 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1898 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1899 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1900 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1901 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1903 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1904 FDPIC_REGS and FDPIC_FPTR_REGS.
1905 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1906 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1907 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1908 (load_funcdescsi): New pattern.
1909 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1910 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1911 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1913 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1915 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1918 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1920 * tree-flow.h: Remove the prototype for add_type_alias.
1921 * tree-ssa-alias.c (add_type_alias): Remove.
1923 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1925 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1926 config/fr30/fr30.md, config/i386/i386-interix.h,
1927 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1928 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1929 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1930 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1931 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1932 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1933 Follow spelling conventions.
1934 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1935 Follow spelling conventions.
1937 2006-05-27 Richard Guenther <rguenther@suse.de>
1940 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1941 to produce a constant of value 1 of generic type.
1943 2006-05-27 Dirk Mueller <dmueller@suse.de>
1945 * cgraphunit.c (decide_is_function_needed): Fix wrong
1948 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1950 PR rtl-optimization/27661
1951 * reload.c (find_reloads): When reloading a VOIDmode constant
1952 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1953 use Pmode as mode of the reload register.
1955 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1957 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1958 is enabled at -O and above.
1960 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1963 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1966 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1969 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1970 for anonymous variables explicitly declared by front ends.
1972 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1974 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1975 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1976 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1977 ref-all pointers, run a finalization pass for them.
1978 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1979 (finalize_ref_all_pointers): New function.
1980 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1981 regular pointer type to a ref-all pointer type.
1982 (get_tmt_for): Return the special memory tag for ref-all pointers.
1984 2006-05-25 Richard Guenther <rguenther@suse.de>
1987 * fold-const.c (fold_binary): Do not look at the stripped
1988 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1990 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1992 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1993 for LT and GT if the computed range is effectively empty.
1995 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1998 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1999 mips_quad_format formats instead of ieee_single_format,
2000 ieee_double_format and ieee_quad_format formats, respectively.
2002 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2004 PR tree-optimization/27639
2005 PR tree-optimization/26719
2006 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2007 call to scev_probably_wraps_p.
2008 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2009 used_in_pointer_arithmetic_p, convert_step): Removed.
2010 (nowrap_type_p): New function.
2011 (scev_probably_wraps_p): Rewritten.
2012 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2013 chrec_convert if chrec_convert_aggressive might have been used.
2014 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2015 scev_direction): New functions.
2016 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2017 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2018 instead of convert_step.
2019 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2020 (convert_step): Declaration removed.
2021 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2023 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2025 * df-core.c: Added to header comments.
2026 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2027 df_ur_bb_info, df_urec_bb_info): Added comments.
2028 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2029 urec, ri problems): Fixed header comments.
2030 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2031 code from df_rd_transfer_function.
2033 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2035 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2036 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2037 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2039 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2041 * expr.c (undefined_operand_subword_p): New.
2042 (emit_move_multi_word): Do not generate move from undefined bits
2043 of a paradoxical subreg.
2045 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2047 PR rtl-optimization/27736
2048 * combine.c (replaced_rhs_value): New variable.
2049 (combine_instructions): Set it.
2050 (distribute_notes): When distributing a note in replaced_rhs_insn,
2051 check whether the value was used in replaced_rhs_value.
2053 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2056 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2057 add_referenced_var instead of add_referenced_tmp_var.
2058 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2059 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2061 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2062 tree_optimize_tail_calls_1): Use add_referenced_var.
2063 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2064 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2065 Use add_referenced_var.
2066 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2067 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2068 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2069 Use add_referenced_var.
2070 * tree-dfa.c (struct walk_state): Remove.
2071 (find_referenced_vars): Remove walk state and vars_found hash table.
2072 (make_rename_temp): Use add_referenced_var.
2073 (find_vars_r): Pass less parameters to add_referenced_var.
2074 (referenced_var_p): New. Is var in referenced_var hash table.
2075 (referenced_var_insert): Assert var isn't already in hash table.
2076 (add_referenced_var): Don't need walk_state parameter. Add var if it
2077 isn't already in the hash table.
2078 (add_referenced_tmp_var): Remove.
2079 (find_new_referenced_vars_1): Use add_referenced_var.
2080 * tree-ssa-pre.c (create_expression_by_pieces,
2081 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2082 Use add_referenced_var.
2083 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2084 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2085 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2087 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2088 vect_create_data_ref_ptr, vect_create_destination_var,
2089 vect_init_vector, vect_build_loop_niters,
2090 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2091 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2092 Use add_referenced_var.
2093 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2094 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2095 (add_referenced_var): Add prototype.
2096 * tree-ssa-structalias.c (get_constraint_for,
2097 intra_create_variable_infos): Use add_referenced_var.
2099 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2101 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2102 big-endian paradoxical subregs.
2103 * var-tracking.c (struct micro_operation_def): Document that,
2104 for modify micro operations, insn is the subsequent instruction.
2105 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2106 (var_reg_set, var_mem_set): ... new functions.
2107 (add_stores): Record subsequent insn.
2108 (compute_bb_dataflow): Use new functions for MO_USE.
2109 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2110 notes after the insn, and modify notes before the insn known
2111 to be the subsequent one.
2112 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2114 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2117 * config/i386/i386.c (ix86_expand_builtin): Use
2118 gen_sse3_monitor64 for TARGET_64BIT.
2120 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2122 PR rtl-optimization/26375
2123 PR rtl-optimization/26855
2124 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2126 (df_ru_bb_local_compute): Reversed statements and removed bogus
2127 comment explaining why they should be in wrong order.
2128 (df_ru_dump, df_rd_dump): Enhanced debug info.
2129 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2131 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2132 reaching uses and fixed space problem.
2134 2006-05-23 Jan Hubicka <jh@suse.cz>
2136 * cgraphunit.c (decide_is_function_needed): Also nested functions
2137 and functions declared inline can be optimized out at -O0.
2139 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2141 * doc/install.texi (Configuration): Remove reference to CrossGCC
2145 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2148 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2149 ix86_compare_emitted is non-NULL.
2151 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2154 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2157 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2159 PR rtl-optimization/25514
2160 * combine.c (replaced_rhs_insn): New variable.
2161 (combine_instructions): Set replaced_rhs_insn when trying to replace
2162 a SET_SRC with a REG_EQUAL note.
2163 (distribute_notes): Use replaced_rhs_insn when determining the live
2164 range of a REG_DEAD register.
2166 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2167 Anatoly Sokolov <aesok@post.ru>
2169 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2170 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2171 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2172 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2173 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2174 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2175 at90usb647, at90usb1286 and at90usb1287 devices.
2176 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2177 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2179 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2181 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2183 2006-05-22 Richard Guenther <rguenther@suse.de>
2186 2006-01-31 Richard Guenther <rguenther@suse.de>
2187 Paolo Bonzini <bonzini@gnu.org>
2189 * doc/install.texi (--disable-libgcc-math): Document.
2191 2006-05-22 Richard Guenther <rguenther@suse.de>
2194 2006-01-31 Richard Guenther <rguenther@suse.de>
2196 * doc/invoke.texi (-msselibm): Document.
2197 * target.h (expand_library_builtin): New target hook.
2198 * builtins.c (expand_builtin): Use expand_library_builtin.
2199 (default_expand_library_builtin): New function.
2200 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2201 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2202 (link_gcc_math_spec): Declare.
2203 (static_specs): Add link_gcc_math_spec.
2204 * expr.h (default_expand_library_builtin): Declare.
2205 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2206 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2207 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2208 * config/i386/i386.opt (msselibm): New target option.
2209 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2210 (ix86_init_sse_abi_builtins): New function.
2211 (ix86_expand_library_builtin): Likewise.
2212 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2213 (override_options): Handle error conditions wrt -msselibm.
2214 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2215 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2216 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2219 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2222 * c-common.c (self_promoting_args_p): Skip erroneous args.
2225 * c-decl.c (finish_struct): Skip erroneous fields.
2227 2006-05-22 Nick Clifton <nickc@redhat.com>
2229 * config/cris/cris.opt (march): Remove VarExists attribute.
2230 (max-stackframe=): Likewise.
2232 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2234 * doc/rtl.texi: Fix a typo.
2235 * see.c: Fix comment typos.
2237 * tree-ssa-structalias.h (alias_info): Remove num_references.
2239 2006-05-21 Mike Stump <mrs@apple.com>
2241 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2243 (darwin_pragma_options): Use BAD instead.
2244 (darwin_pragma_unused): Likewise.
2245 (darwin_pragma_ms_struct): Likewise.
2247 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2249 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2251 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2253 PR rtl-optimization/27671
2254 * simplify-rtx.c (simplify_relational_operation_1): Fix
2255 simplifications of (eq/ne (xor x y) y) and
2256 (eq/ne (xor x y) x).
2258 PR tree-optimization/26622.
2259 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2262 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2264 * tree-cfg.c: Prune whitespace.
2265 (debug_tree_cfg): Point to correct header containing the
2268 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2271 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2273 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2276 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2277 or sorry count is non zero.
2279 2006-05-20 Andreas Schwab <schwab@suse.de>
2281 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2283 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2284 Kenneth Zadeck <zadeck@naturalbridge.com>
2286 PR rtl-optimization/26855
2288 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2290 (df_scan_alloc): Added code to properly handle multiword hard
2291 registers and add all_blocks parameter.
2292 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2293 code to properly handle multiword hard registers.
2294 (df_rescan_blocks): Added code to remove deleted blocks from
2296 (df_ref_create_structure, df_ref_record): Added code to properly
2298 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2299 and set DF_REF_PARTIAL.
2300 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2301 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2302 (df_scan_add_problem): Added flags parameter.
2303 (df_ref_create_structure): Changed switching structure.
2304 (df_bb_refs_record): Fixed case where duplicate artificial refs
2305 were created. Changed location of flags.
2306 (df_record_entry_block_defs): Added code to make stack pointer
2307 live in entry block. Refined cases where frame pointer is needed.
2308 Changed location of flags.
2309 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2310 (df_set_state): Removed function.
2311 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2312 df_insn_create_insn_record, df_insn_refs_delete,
2313 df_ref_create_structure): Formatting changes.
2314 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2315 df_delete_basic_block): New function.
2316 (df_init): Changed location of flags.
2317 (df_add_problem): Added flags parameter and the way flags are
2319 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2320 debug_df_chain): Improved debugging output.
2321 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2322 (df_refs_chain_dump): Removed df parameter.
2323 (df_iterative_dataflow): Added consistency check.
2324 (df_prune_to_subcfg): Made public.
2325 (df_analyze_problem): Added blocks_to_init parameter and made
2327 (df_ref_record, df_bb_refs_record, df_mark_reg,
2328 df_record_exit_block_uses): Whitespace changes.
2329 (df_dump): Whitespace changes.
2330 * df.h: Some reordering to remove forward references.
2331 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2332 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2333 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2334 (dataflow.flags): New field.
2335 (df.flag): Deleted field.
2336 (df_alloc_function): Added additional bitmap parameter.
2337 (df_dependent_problem_function): New type.
2338 (df_problem.changeable_flags): New field.
2339 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2340 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2341 (df_mw_hardreg): New struct.
2342 (DF_INSN_UID_MWS): New macro.
2343 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2345 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2346 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2347 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2348 (df_set_state): Removed function.
2349 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2350 * df-problems.c (df_chain_dump): Removed df parameter.
2351 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2352 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2354 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2355 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2356 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2357 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2358 DF_REF_MUST_CLOBBER cases.
2359 (df_ru_bb_local_compute_process_def,
2360 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2361 df_lr_bb_local_compute, df_ur_bb_local_compute,
2362 df_chain_create_bb): Made subreg aware.
2363 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2364 df_lr_bb_local_compute, df_lr_bb_local_compute,
2365 df_chain_create_bb): Cleanup to use proper macros.
2366 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2367 code to fixup bitvectors.
2368 (df_ri_alloc): Cleared lifetime.
2369 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2370 df_create_unused_note): New function.
2371 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2372 REG_DEAD and REG_UNUSED notes as well as register information.
2373 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2374 df_chains_dump): Fixed crash if problem was never run.
2375 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2376 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2377 df_ri_add_problem): Processes flags in uniform manner.
2378 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2379 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2380 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2381 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2382 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2383 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2384 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2385 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2386 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2387 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2388 * see.c (see_initialize_data): Ditto.
2389 * final.c (rest_of_clean_state) Added regstack_completed.
2390 * rtl.h (regstack_completed): Ditto.
2391 * reg-stack.c (regstack_completed): Ditto.
2393 2006-05-19 Mike Stump <mrs@apple.com>
2395 * c-tree.h (default_conversion): Remove.
2396 * c-common.h (default_conversion): Add.
2398 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2400 * tree-vrp.c (valid_value_p): New function.
2401 (adjust_range_with_scev): Fail if the value of bound is not
2404 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2406 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2407 (mips_fallback_frame_state): Use syscall numbers to determine
2408 the appropriate li instruction for the current ABI. Only use
2409 __NR_sigreturn for o32.
2411 2006-05-19 Nicolas Setton <setton@adacore.com>
2413 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2414 * langhooks.c (lhd_dwarf_name): New function.
2415 * langhooks-def.h (lhd_dwarf_name): Declare.
2416 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2417 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2418 * ada/misc.c (gnat_dwarf_name): New function.
2419 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2421 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2423 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2425 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2426 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2427 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2428 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2429 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2430 determine the size of Wtype, etc.
2431 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2432 (swfloatfuncs): New variable.
2433 (dwfloatfuncs): Likewise.
2434 (lib2funcs): Remove floating-point conversion functions from
2435 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2436 the set of conversion routines needed. Allow entries to specify
2437 an object name, filename and word size. Update users accordingly.
2438 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2439 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2443 2006-02-08 Roger Sayle <roger@eyesopen.com>
2446 * config/fixtfdi.c: New libgcc source file.
2447 * config/fixunstfdi.c: New source file.
2448 * config/floatditf.c: New source file.
2449 * config/floatunditf.c: New souce file.
2450 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2451 files above instead of config/mips/_tilib.c.
2452 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2454 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2456 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2457 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2459 2006-05-18 Mike Stump <mrs@apple.com>
2461 Fix up vla, vm and [*] sematics.
2467 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2468 (c_vla_unspec_p): Add.
2469 (c_vla_type_p): Add.
2470 * c-decl.c (struct c_scope): Add had_vla_unspec.
2471 (build_array_declarator): Add support for [*].
2472 (grokdeclarator): Likewise.
2473 (grokparms): Likewise.
2474 (get_parm_info): Likewise.
2475 * c-objc-common.c (c_vla_unspec_p): Likewise.
2476 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2477 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2478 typeof when argument is a variably modified type not inside sizeof or alignof.
2479 (c_parser_direct_declarator_inner): Propagate errors.
2480 (c_parser_sizeof_expression): Add support for [*].
2481 (c_parser_parms_declarator): Initialize had_vla_unspec.
2482 (c_parser_parms_list_declarator): Likewise.
2483 * c-typeck.c (c_vla_type_p): Add.
2484 (composite_type): Add support for vla compositing.
2485 (comptypes_internal): Add support for vla compatibility.
2486 (c_expr_sizeof_expr): Evaluate vla arguments.
2487 * tree.c (variably_modified_type_p): Update comment for [*].
2489 2006-05-18 Michael Matz <matz@suse.de>
2492 * config.host: Make assignments to host_xmake_file cumulative.
2493 * config.host (*-darwin*): Test $host, not $target.
2495 2006-05-12 Stuart Hastings <stuart@apple.com>
2497 * config/i386/i386.opt (-mstackrealign): New flag.
2498 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2499 (ix86_handle_cconv_attribute): Emit error when
2500 force_align_arg_pointer attribute collides with too many regparms.
2501 (ix86_function_regparm): Limit regparms when used with
2502 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2503 Support stack-realigning prologue in non-main functions. Emit
2504 warning for nested functions under -mstackrealign, emit error for
2505 nested functions with force_align_arg_pointer attribute.
2506 * doc/extend.texi (force_align_arg_pointer): Document it.
2507 * doc/invoke.texi (-mstackrealign): Document it.
2509 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2511 PR rtl-optimization/27477
2512 * combine.c (try_combine): Don't split a parallel consisting
2513 of two sets into two individual sets if both sets reference
2516 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2518 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2519 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2521 * doc/options.texi (VarExists): Updated.
2523 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2525 * unwind-dw2.c: Add declarations for uw_update_context and
2527 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2528 detected, advance frame state and context once to skip over stub.
2530 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2534 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2535 Call rewrite_into_loop_closed_ssa only when something changed.
2536 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2537 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2538 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2539 Test for perfect_nest_p here. Fix formating.
2540 (replace_uses_equiv_to_x_with_y): Fix formating.
2541 (stmt_uses_op): Removed.
2542 (can_convert_to_perfect_nest): Removed loopivs parameter.
2543 Complete the test by checking the scalar dependences.
2544 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2547 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2550 From Dan Kegel <dank@kegel.com>:
2551 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2553 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2555 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2556 if the element type is variably modified without recursing.
2558 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2561 * tree-loop-linear.c (try_interchange_loops): Test for
2562 no data dependences.
2564 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2566 PR tree-optimization/27548
2567 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2568 range of ssa names that appear on abnormal edges.
2569 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2570 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2572 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2575 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2577 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2580 * tree.h (OMP_PARALLEL_COMBINED): Define.
2581 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2582 (new_omp_context): Add is_combined_parallel argument.
2583 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2584 new_omp_context caller.
2585 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2586 Adjust gimplify_scan_omp_clauses callers.
2587 (omp_is_private): Issue errors if iteration variable is firstprivate
2588 or reduction in the current context.
2589 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2590 on combined parallel workshare constructs.
2592 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2594 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2595 (gcc-options.o): New rule.
2597 * optc-gen.awk: Protect variables for gcc-options.o with
2598 #ifdef GCC_DRIVER/#endif.
2600 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2602 Fix PR tree-optimization/27373
2603 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2604 (forward_propagate_addr_expr): Update call.
2606 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2608 * doc/options.texi: Move the Negative option.
2610 2006-05-16 Richard Guenther <rguenther@suse.de>
2612 PR tree-optimization/22303
2613 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2615 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2616 ccp_fold did not simplify the statement.
2618 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2621 * Makefile.in (GCC_OBJS): New.
2622 (OBJS-common): Add opts-common.o.
2623 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2624 (cpp$(exeext)): Likewise.
2625 (gcc.o): Also depend on opts.h.
2626 (opts-common.o): New.
2628 * common.opt (gcoff): Add Negative(gdwarf-2).
2629 (gdwarf-2): Add Negative(gstabs).
2630 (gstabs): Add Negative(gstabs+).
2631 (gstabs+): Add Negative(gvms).
2632 (gvms): Add Negative(gxcoff).
2633 (gxcoff): Add Negative(gxcoff+).
2634 (gxcoff+): Add Negative(gcoff).
2635 * config/i386/i386.opt (m32): Add Negative(m64).
2636 (m64): Add Negative(m32).
2638 * doc/options.texi: Document the Negative option.
2640 * gcc.c: Include "opts.h".
2641 (main): Call prune_options after expandargv.
2643 * optc-gen.awk: Generate common declarations for all flag
2644 variables in options.c. Output the neg_index field.
2646 * opts.c (find_opt): Moved to ...
2647 * opts-common.c: Here. New file.
2649 * opts.h (cl_option): Add a neg_index field.
2651 (prune_options): Likewise.
2653 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2656 * omp-low.c (expand_omp_parallel): Don't assert
2657 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2658 instead search for it.
2661 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2664 2006-05-16 Andreas Schwab <schwab@suse.de>
2666 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2669 2006-05-15 Roger Sayle <roger@eyesopen.com>
2672 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2673 integer constants other than zero are only legitimate on TARGET_64BIT.
2674 <CONST_VECTOR> Only zero vectors are legitimate.
2675 (ix86_cannot_force_const_mem): Integral and vector constants can
2676 always be put in the constant pool.
2678 2006-05-16 DJ Delorie <dj@redhat.com>
2680 * crtstuff.c (__dso_handle): Set section from
2681 TARGET_LBIGCC_SDATA_SECTION if defined.
2682 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2683 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2685 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2688 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2691 2006-05-16 Ben Elliston <bje@au.ibm.com>
2693 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2695 2006-05-15 Per Bothner <per@bothner.com>
2697 * tree.c: (last_annotated_node): Use source_locus typedef.
2698 This permits bootstrapping with --enable-mapped-location.
2700 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2702 PR tree-optimization/26830
2703 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2704 (info_for_ssa_name, current_info_for_ssa_name_age,
2705 blocks_to_update): New variables.
2706 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2707 (clear_ssa_name_info, initialize_flags_in_bb,
2708 mark_block_for_update): New functions.
2709 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2710 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2711 prepare_def_site_for): Use mark_block_for_update.
2712 (mark_def_interesting): Assert that the processed block is marked in
2713 blocks_to_update. Do not take blocks argument.
2714 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2716 (rewrite_update_init_block, rewrite_update_stmt): Only process
2717 blocks with statements to rewrite.
2718 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2719 (update_ssa): Initialize and free blocks_to_update. Do not
2720 clear flags on statements. Do not use blocks bitmap.
2721 * tree.h (SSA_NAME_AUX): Removed.
2722 (struct tree_ssa_name): Removed aux field.
2723 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2725 2006-05-15 Richard Guenther <rguenther@suse.de>
2727 PR tree-optimization/27603
2728 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2729 Do computations in original type.
2731 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2733 * see.c: Code style changes such as redundant paranthesis,
2734 redundant intialization of local variables etc.
2735 (see_main): Declared now as static.
2736 * doc/invoke.texi: Update that -fsee is not enabled by
2739 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2741 * omp-low.c (check_omp_nesting_restrictions): New function.
2742 (scan_omp_1): Call it.
2745 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2746 construct, return *VAR.
2748 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2750 PR rtl-optimization/27406
2751 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2754 2006-05-14 Roger Sayle <roger@eyesopen.com>
2756 PR rtl-optimization/27538
2757 * combine.c (expand_compound_operation): Call gen_lowpart
2758 before calling simplify_shift_const.
2760 2006-05-14 Roger Sayle <roger@eyesopen.com>
2762 PR rtl-optimization/22563
2763 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2764 a fixed width bitfield, always force the intermediates into psuedos.
2766 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2769 * mkconfig.sh: Use operator = instead of == for test.
2771 2006-05-13 Nick Clifton <nickc@redhat.com>
2773 * dwarf2out.c (dbx_reg_number): Check return value from
2774 LEAF_REG_REMAP and only use it if it is valid.
2775 (multiple_reg_loc_descriptor): Likewise.
2777 2006-05-13 Richard Guenther <rguenther@suse.de>
2779 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2782 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2784 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2785 information attached to non-INSNs such as NOTEs.
2786 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2788 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2790 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2792 * config/s390/s390.md: Adjust comment describing On constraint.
2794 2006-05-11 Jan Hubicka <jh@suse.cz>
2796 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2797 to be output at -O0.
2799 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2802 * fold-const.c (size_binop): Move sanity check for arguments to
2803 the beginning of the function.
2806 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2809 2006-05-11 Richard Guenther <rguenther@suse.de>
2812 * fold-const.c (fold_unary): Handle intermediate conversion
2813 to a pointer type like intermediate conversion to an integer
2814 type in folding of (T1)(T2)var to var.
2815 Match the code to the comment in the final conversion for
2816 (T1)(T2)var to (T1)var regarding to type precision. Rather
2817 than disallow T1 being of pointer type, assert that both T1
2818 and var are of pointer type or not. Make sure not to fall
2819 over the frontends lazyness wrt array to pointer decay though.
2821 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2823 * arm.c (arm_struct_value_rtx): Delete.
2824 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2825 (arm_init_cumulative_args): Always initialize nregs to zero.
2827 2006-05-10 Richard Guenther <rguenther@suse.de>
2829 PR tree-optimization/27532
2830 * tree-object-size.c (plus_expr_object_size): Fix typo.
2832 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2835 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2836 ashrdi_const, ashrdi3): Use a scratch register.
2838 2006-05-10 Richard Guenther <rguenther@suse.de>
2840 PR tree-optimization/27302
2841 * fold-const.c (operand_equal_p): For two comparisons,
2842 try comparison of one comparison code swapped if that yields
2845 2006-05-10 Ben Elliston <bje@au.ibm.com>
2847 * tree-pretty-print.c (pretty_print_string): No need to handle
2848 '\0' as a special character.
2850 * tree.h: Include "hashtab.h".
2851 (iterative_hash_expr): Use hashval_t in its prototype.
2852 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2854 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2857 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2858 (hppa*64*-*-hpux11*): Ditto.
2859 (hppa[12]*-*-hpux11*): Ditto.
2861 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2864 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2866 2006-05-09 Michael Matz <matz@suse.de>
2868 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2869 host_extra_gcc_objs and host_xmake_file.
2870 (<*-*-linux*>): Don't overwrite host_xmake_file.
2871 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2872 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2873 (host_detect_local_cpu): Declare.
2874 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2875 * config/i386/i386.c (override_options): Handle -mtune=native
2877 * config/i386/x-i386: New file.
2878 * config/i386/driver-i386.c: New file.
2879 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2882 2006-05-09 Dirk Mueller <dmueller@suse.de>
2883 Richard Guenther <rguenther@suse.de>
2886 * fold-const.c (fold_read_from_constant_string): Relax check
2887 for matching types to matching modes.
2889 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2891 PR rtl-optimization/27335
2892 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2895 2006-05-08 Chao-ying Fu <fu@mips.com>
2896 Richard Sandiford <richard@codesourcery.com>
2898 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2899 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2900 * config/mips/mips.md (UNSPEC_SCC): New constant.
2901 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2902 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2903 (mips_emit_compare): Use it.
2904 (mips_expand_vcondv2sf): New function.
2906 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2908 Fix PR tree-optimization/27093
2909 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2910 renaming when they become not-used_alone.
2912 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2914 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2915 relocation and relocation stubs.
2917 2006-05-08 Eric Christopher <echristo@apple.com>
2919 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2922 2006-05-08 Jan Hubicka <jh@suse.cz>
2925 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2926 unused static functions are needed.
2928 2006-05-08 Roger Sayle <roger@eyesopen.com>
2931 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2932 of a reg_equiv_constant if the result is a legitimate constant.
2934 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2937 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2938 standard 80387 constants, raise the cost to prevent
2939 compress_float_constant() to generate load from memory.
2941 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2943 * config/arm/constraints.md (c): Fix a typo.
2945 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2948 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2951 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2953 (_mm_mwait): Likewise.
2955 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2957 (sse3_monitor): Make it 32bit only.
2958 (sse3_monitor64): New. 64bit monitor.
2960 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2963 * config/i386/i386.c (classify_argument): Skip fields with invalid
2966 2006-05-07 Richard Guenther <rguenther@suse.de>
2968 PR tree-optimization/27409
2969 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2970 Do not try to find zero-sized subvars.
2972 2006-05-07 Richard Guenther <rguenther@suse.de>
2974 PR tree-optimization/27136
2975 * tree-ssa-loop-niter.c (get_val_for): Correct function
2976 comment, assert requirements.
2977 (loop_niter_by_eval): Stop processing if the iterated
2978 value did not simplify.
2980 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2982 * opts.c (flag_see): remove its setting at -O3.
2984 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2986 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2987 * arm/constraints.md: New file.
2988 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2989 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2990 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2991 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2992 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2993 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2994 * arm.md: Include constraints.md.
2995 (thumb_movsi_insn): Use satisfies_constraint_J.
2996 (movhi, movqi): Use satisfies_constraint_I.
2998 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3000 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3001 for atmeg a645 device.
3003 2006-05-06 Richard Guenther <rguenther@suse.de>
3005 PR tree-optimization/27151
3006 * tree-vect-transform.c (vectorizable_condition): Punt on
3007 values that have a different type than the condition.
3009 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3012 * c-parser.c (c_parser_cast_expression): Only insert casts into
3013 hash table if pointer.
3014 * function.c (used_types_insert_helper): Rename from
3016 (used_types_insert): Call used_types_insert_helper.
3017 * function.h (used_types_insert): Accept only one argument.
3019 2006-05-05 David Edelsohn <edesohn@gnu.org>
3021 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3022 scratch with output modifier.
3024 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3027 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3028 with output modifier.
3030 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3033 * config/mips/mips.c (mips_symbolic_address_p): Return true
3034 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3035 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3037 2006-05-04 Richard Guenther <rguenther@suse.de>
3039 PR tree-optimization/14287
3040 PR tree-optimization/14844
3041 PR tree-optimization/19792
3042 PR tree-optimization/21608
3043 PR tree-optimization/27090
3044 * tree-ssa-pre.c (try_combine_conversion): New function.
3045 (compute_avail): After constructing the value-handle
3046 expression, use try_combine_conversion to combine NOP_EXPRs
3047 with previous value-handle expressions and use the result if it
3050 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3052 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3054 2006-05-04 Jan Hubicka <jh@suse.cz>
3057 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3059 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3061 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3062 that this only matches CONST_INTs. All users changed to VOIDmode
3065 * config/bfin/bfin.c: Include "optabs.h".
3066 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3068 (enum bfin_builtins): Add a number of fractional and vector builtins.
3069 (bfin_init_builtins): Likewise.
3070 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3071 (safe_vector_operand, bfin_expand_binop_builtin,
3072 bfin_expand_unop_builtin): New functions.
3073 (bfin_expand_builtin): Handle the new builtins.
3074 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3077 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3080 * Makefile.in (OBJS-common): Add see.o.
3081 (see.o): Add dependencies.
3082 * common.opt (fsee): New flag for the see optimization was added.
3083 * opts.c (flag_see): Initialized.
3084 * passes.c (init_optimization_passes, pass_see): New pass.
3085 * rtl.h (see_main): Declaration as extern.
3086 * timevar.def (TV_SEE): New.
3087 * tree-pass.h (pass_see): Declaration as extern.
3088 * invoke.texi (-fsee): Document.
3089 * recog.c (validate_simplify_insn): New function.
3090 * recog.h (validate_simplify_insn): Declaration as extern.
3091 * df-problems.c (df_chain_dump): Check for NULL.
3093 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3094 Daniel Berlin <dberlin@dberlin.org>
3096 * cfgrtl.c (insert_insn_bb_end_new): New function.
3097 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3099 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3101 * df.h (struct web_entry): Moved from web.c.
3102 (union_defs): Declaration as extern.
3103 (unionfind_root): Likewise.
3104 (unionfind_union): Likewise.
3105 * web.c (struct web_entry): Moved to df.h.
3106 (unionfind_root): Remove static declaration.
3107 (unionfind_union): Likewise.
3108 (union_defs): Likewise and generalize to use callback function.
3109 (web_main): Update arguments for union_defs function call.
3111 2006-05-04 Richard Guenther <rguenther@suse.de>
3113 PR tree-optimization/26447
3114 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3115 produce SSA_NAME copies before the store stmt to avoid
3116 breaking exception handling.
3118 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3121 * gimplify.c (omp_is_private): If var is shared in some outer context,
3122 return false instead of true. Stop searching on parallel context
3125 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3128 * coverage.c: Use get_gcov_unsigned_t() instead of
3129 unsigned_type_node all over.
3131 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3133 PR tree-optimization/27381
3134 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3135 maintain the same immediate_use links.
3136 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3137 node rather than segfaulting.
3139 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3142 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3143 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3144 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3146 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3148 Fix PR tree-optimization/26626
3149 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3151 * tree-ssa-operands.c (access_can_touch_variable): Allow
3152 typecasting through union pointers.
3154 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3157 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3158 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3159 to find if var will be a global variable even in the nested context.
3160 (omp_copy_decl): Only check for global variable at the end, it might
3161 be overridden in outer contexts.
3162 (scan_sharing_clauses): For global variables don't create a field.
3163 (lower_rec_input_clauses): Do nothing for global shared variables.
3164 Emit a barrier at the end of ILIST if there were any decls in both
3165 firstprivate and lastprivate clauses.
3166 (lower_send_clauses): Do nothing for global variables except for
3169 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3171 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3172 of the correct signedness is returned.
3174 2006-05-02 Jeff Law <law@redhat.com>
3176 PR tree-optimization/27364
3177 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3178 multiply expressions.
3180 2006-05-02 Tom Tromey <tromey@redhat.com>
3182 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3184 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3187 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3188 -mthumb -fPIC are used.
3190 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3191 Joshua Kinard <kumba@gentoo.org>
3194 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3195 with 64-bit pointers.
3197 2006-05-02 Paul Brook <paul@codesourcery.com>
3199 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3201 (create_fix_barrier): Check that a suitable barrier location is
3203 (arm_reorg): Include ftmp->address in allowable range of addresses.
3205 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3208 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3211 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3214 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3215 around RESULT_DECL for result passed by reference.
3216 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3217 * omp-low.c (use_pointer_for_field): Don't look at
3218 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3219 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3220 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3221 time or var for passing by reference for
3222 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3223 TREE_ADDRESSABLE variables when passing by reference.
3225 * omp-low.c (dump_omp_region): Fix output formatting.
3228 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3229 (expand_omp_parallel): Likewise.
3230 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3233 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3234 on statement list containing also constructors and destructors.
3235 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3238 * except.c (duplicate_eh_regions): Fix clearing of
3239 cfun->eh->region_array entries.
3241 2006-05-01 DJ Delorie <dj@redhat.com>
3243 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3245 (gcc_cv_objdump): Likewise.
3246 * configure: Regenerated.
3248 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3251 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3252 templates for case 3 and 4.
3254 2006-05-01 DJ Delorie <dj@redhat.com>
3256 * vec.c: Include bconfig.h when appropriate.
3257 * Makefile.in (build/vec.o): Adjust dependencies.
3258 * mkconfig.sh: Make sure config.h isn't used for build machine
3261 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3263 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3265 (mark_phi_for_rewrite): New function.
3266 (insert_phi_nodes_for, mark_use_interesting): Call
3267 mark_phi_for_rewrite.
3268 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3269 (update_ssa): Initialize and free phis_to_rewrite.
3271 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3273 PR rtl-optimization/27291
3274 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3275 folded to a constant.
3277 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3279 PR tree-optimization/27283
3280 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3281 not whole # of iteration descriptions.
3282 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3283 uses abnormal ssa name.
3284 (niter_for_single_dom_exit): Ditto.
3285 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3286 return just the number of iterations.
3288 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3290 PR tree-optimization/27144
3291 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3292 (record_estimate): Only record constant upper bound.
3293 (infer_loop_bounds_from_undefined): Call
3294 compute_estimated_nb_iterations just once.
3295 (proved_non_wrapping_p): Renamed to ...
3296 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3297 (convert_step_widening, scev_probably_wraps_p): Call
3298 n_of_executions_at_most instead of proved_non_wrapping_p.
3299 (substitute_in_loop_info): Do not replace values in bounds.
3300 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3303 2006-05-01 Richard Henderson <rth@redhat.com>
3306 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3307 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3310 2006-05-01 Roger Sayle <roger@eyesopen.com>
3312 * c-typeck.c (parser_build_binary_op): Don't call the function
3313 unsigned_conversion_warning to spot operand/result type overflow.
3314 (build_binary_op): Instead, call convert_and_check instead of
3315 convert to report the problem when the operands are promoted.
3316 * c-common.c (unsigned_conversion_warning): Make static.
3317 * c-common.h (unsigned_conversion_warning): Delete prototype.
3319 2006-05-01 Richard Guenther <rguenther@suse.de>
3321 PR tree-optimization/26726
3322 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3324 (find_interesting_uses_address): ... we work around here
3325 by folding INDIRECT_REFs in the substituted base.
3327 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3329 * omp-low.c (dump_omp_region): Add newlines.
3331 2006-04-30 Roger Sayle <roger@eyesopen.com>
3333 * common.opt (Woverflow): New command line option.
3334 * c-common.c (constant_expression_warning): Check warn_overflow.
3335 (overflow_waring): Pass OPT_Woverflow to warning.
3336 (unsigned_conversion_warning): Likewise.
3337 (convert_and_check): Likewise.
3338 * doc/invoke.texi: Document new command line option.
3340 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3342 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3343 TARGET_NO_FP_IN_TOC for section anchors.
3344 (optimization_options): Enable section anchors for all
3345 non-"Objective" languages.
3347 2006-04-28 Eric Christopher <echristo@apple.com>
3349 * config/darwin-c.c (darwin_ms_struct): Move this
3350 (darwin_set_default_type_attributes): and this...
3351 * config/darwin.c: ... here.
3352 * config/darwin.h (darwin_ms_struct): Declare.
3354 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3356 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3358 2006-04-28 Roger Sayle <roger@eyesopen.com>
3361 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3362 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3363 an unsigned HOST_WIDE_INT.
3364 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3366 (really_start_incremental_init): No need to call convert because
3367 bitsize_zero_node is already of type bitsizetype.
3368 (push_init_level): Extract the value of constructor_index as an
3369 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3370 (process_init_element): Likewise.
3372 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3374 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3375 value before passing to make_relative_prefix.
3377 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3380 * builtins.c (expand_builtin_memset): Expand val in original mode.
3382 2006-04-27 Eric Christopher <echristo@apple.com>
3384 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3385 with #ifndef/#endif.
3386 * config/darwin-c.c (darwin_ms_struct): New.
3387 (darwin_pragma_ms_struct): Ditto.
3388 (darwin_set_default_type_attributes): Ditto.
3389 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3390 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3391 Register ms_struct pragma.
3392 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3393 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3394 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3395 darwin_set_default_type_attributes if TARGET_MACHO.
3397 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3399 PR tree-optimization/26854
3400 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3401 * doc/tree-ssa.texi: Update immuse iterator documentation.
3402 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3403 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3404 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3405 first_safe_imm_use, next_safe_imm_use): Remove.
3406 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3407 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3408 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3409 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3410 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3411 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3412 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3413 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3414 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3415 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3416 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3417 (perfect_nestify): Use new iterator.
3418 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3420 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3421 (next_imm_name): New field in struct immediate_use_iterator_d.
3422 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3423 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3424 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3425 * tree-cfg.c (replace_uses_by): Use new iterator.
3426 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3427 * tree-ssa-operands.c (correct_use_link): Remove.
3428 (finalize_ssa_use_ops): No longer call correct_use_link.
3430 2006-04-27 Stuart Hastings <stuart@apple.com>
3432 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3433 * config/t-darwin (crt3.o): Use it.
3434 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3435 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3436 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3437 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3438 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3441 2006-04-27 Roger Sayle <roger@eyesopen.com>
3443 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3444 size, force the intermediate into a new pseudo rather instead of
3445 performing both a bitwise AND and a bitwise IOR in memory.
3447 2006-04-27 Richard Guenther <rguenther@suse.de>
3449 PR rtl-optimization/26685
3450 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3451 this one "max-flow-memory-locations".
3453 2006-04-27 Richard Guenther <rguenther@suse.de>
3455 PR tree-optimization/25148
3456 * tree-vrp.c (compare_values): Remove code dealing with
3457 comparisons against type min/max value. Honour overflow
3458 and negative constants in code dealing with comparisons
3459 of plus and minus expressions.
3460 (value_inside_range): Use fold_binary with LE_EXPR and
3461 GE_EXPR rather than compare_values.
3463 2006-04-27 Dirk Mueller <dmueller@suse.de>
3465 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3468 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3470 * basic-block.h (safe_insert_insn_on_edge): Removed.
3471 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3473 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3474 Paolo Bonzini <bonzini@gnu.org>
3477 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3478 (simplify_and_const_int): Same.
3480 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3482 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3484 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3487 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3488 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3489 cgraph_global_info_ready.
3492 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3495 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3496 either decl or init is error_mark_node.
3499 * tree-flow.h (struct omp_region): Add sched_kind.
3500 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3501 instead of extracting omp for data.
3502 (expand_omp_for): Save extracted sched_kind.
3504 2006-04-25 Roger Sayle <roger@eyesopen.com>
3506 * expmed.c (store_bit_field): Also check whether the bitsize is
3507 valid for the machine's "insv" instruction before moving the
3508 target into a pseudo for use with the insv.
3509 * config/i386/predicates.md (const8_operand): New predicate.
3510 * config/i386/i386.md (extv, extzv, insv): Use the new
3511 const8_operand predicate where appropriate.
3513 2006-04-25 DJ Delorie <dj@redhat.com>
3515 * doc/install.texi (Specific): Clarify that this is not a list of
3516 supported hosts or targets.
3518 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3520 PR rtl-optimization/26725
3521 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3522 block's BB_DIRTY flag.
3524 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3526 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3529 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3530 to print an integer.
3532 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3534 * varasm.c (align_variable): New function.
3535 (get_block_for_decl): Apply align_variable to DECL before
3536 calculating section information.
3537 (assemble_variable): Split out alignment computation.
3539 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3541 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3544 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3546 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3547 MODE_PARTIAL_INT mode.
3548 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3549 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3551 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3552 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3554 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3556 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3558 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3559 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3560 MACFLAG_IH): Likewise.
3561 (movstricthi_1): Renamed from "*movstricthi".
3562 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3563 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3564 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3565 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3566 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3567 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3568 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3569 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3570 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3571 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3572 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3573 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3574 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3575 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3576 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3578 * doc/rtl.texi (ss_ashift): Improve wording.
3580 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3582 * dwarf2out.c (verify_marks_clear): New.
3583 (prune_unused_types): Call verify_marks_clear initially, not
3586 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3588 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3589 * doc/rtl.texi: Document them.
3590 * simplify-rtx.c (simplify_unary_operation,
3591 simplify_binary_operation_1): Don't abort when we see them.
3593 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3596 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3597 * configure.ac: Completely disregard languages that are not
3599 * configure: Regenerated.
3601 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3602 Richard Guenther <rguenther@suse.de>
3604 PR tree-optimization/27236
3605 * tree-inline.c (copy_body_r): Make sure to copy
3606 TREE_THIS_VOLATILE flag.
3608 2006-04-24 Richard Guenther <rguenther@suse.de>
3611 * tree-complex.c (update_parameter_components): Don't handle
3612 unused parameters which have no default def.
3614 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3615 Richard Guenther <rguenther@suse.de>
3617 PR tree-optimization/27218
3618 * tree-inline.c (expand_call_inline): Strip useless type
3619 conversions for the return slot address.
3621 2006-04-24 Richard Guenther <rguenther@suse.de>
3623 * cfgloop.h (struct loops): Remove unused field array. Reorder
3625 (LOOP_PREFETCH): Remove.
3627 2006-04-24 Richard Guenther <rguenther@suse.de>
3629 PR tree-optimization/22525
3630 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3631 variable, adjust types of generated expressions.
3633 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3635 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3636 (tree-vect-patterns.o): Likewise.
3638 (cselib.o): Likewise.
3639 (loop-doloop.o): Likewise.
3640 (regclass.o): Likewise.
3641 (reload1.o): Likewise.
3642 (explow.o): Replace target.h with $(TARGET_H).
3643 (ipa-prop.o): Likewise.
3644 (ipa-cp.o): Likewise.
3645 (ipa-inline.o): Likewise.
3646 (reorg.o): Likewise.
3647 (reg-stack.o): Likewise.
3649 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3651 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3653 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3655 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3657 * configure.ac: Completely disregard languages that are not
3659 * configure: Regenerated.
3662 * c-common.h (c_build_bitfield_integer_type): Declare.
3663 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3664 * c-common.c (c_build_bitfield_integer_type): ... here.
3666 2006-04-23 Roger Sayle <roger@eyesopen.com>
3669 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3670 a SImode SUBREG of a floating point register after no_new_pseudos.
3672 2006-04-23 Roger Sayle <roger@eyesopen.com>
3674 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3675 identify potentially eliminable registers to additionally catch
3676 VIRTUAL_INCOMING_ARGS_REGNUM.
3677 (addsi3): Update the conditions on when to use addsi_small_int.
3679 2006-04-23 Roger Sayle <roger@eyesopen.com>
3682 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3683 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3684 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3686 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3688 * fold-const.c (range_predecessor): Use operand_equal_p
3689 as the predicate for equality.
3690 (range_successor): Likewise.
3692 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3695 * config/soft-fp/op-common.h: Fix a typo.
3697 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3700 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3701 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3703 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3705 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3707 * doc/tm.texi: Fix a typo.
3709 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3711 * dwarf2out.c (struct die_struct): Document that die_sib makes
3712 a circular linked list.
3713 (FOR_EACH_CHILD): New.
3714 (reverse_die_lists): Delete.
3715 (reverse_all_dies): Delete.
3716 (add_dwarf_attr): Correct documentation.
3717 (remove_child_with_prev): New.
3718 (remove_child_TAG): Update for change to die_struct, use
3719 remove_child_with_prev.
3720 (add_child_die): Update for change to die_struct.
3721 (splice_child_die): Use remove_child_with_prev and add_child_die.
3722 (print_die): Use FOR_EACH_CHILD.
3723 (die_checksum): Likewise.
3724 (assign_symbol_names): Likewise.
3725 (output_location_lists): Likewise.
3726 (build_abbrev_table): Likewise.
3727 (calc_die_sizes): Likewise.
3728 (mark_dies): Likewise.
3729 (unmark_dies): Likewise.
3730 (unmark_all_dies): Likewise.
3731 (output_die): Likewise.
3732 (prune_unused_types_mark): Likewise.
3733 (prune_unused_types_walk): Likewise.
3734 (same_die_p): Update for change to die_struct.
3735 (break_out_includes): Likewise.
3736 (prune_unused_types_prune): Likewise.
3737 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3738 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3740 (dwarf2out_finish): Don't call reverse_all_dies.
3742 2006-04-21 Eric Christopher <echristo@apple.com>
3744 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3745 in comments and function names.
3747 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3750 * c-typeck.c (digest_init): Robustify.
3752 * c-typeck.c (pop_init_level): Simplify.
3754 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3756 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3758 2006-04-21 Paul Brook <paul@codesourcery.com>
3760 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3761 hardware floating point.
3763 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3765 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3768 2006-04-21 Nick Clifton <nickc@redhat.com>
3770 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3773 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3776 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3777 C++ lang type in traceback table for Objective-C++.
3779 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3781 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3783 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3785 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3788 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3789 were errors. Remove check for erroneous objects.
3791 2006-04-20 Jeff Law <law@redhat.com>
3793 PR tree-optimization/26854
3794 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3795 checking for zero or one use.
3796 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3797 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3798 * tree-ssa-reassoc.c (negate_value): Similarly.
3799 (reassociate_bb): Similarly.
3801 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3803 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3804 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3805 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3807 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3809 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3810 fp regs if the last fp arg doesn't fit in regs.
3812 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3815 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3816 that the last insn has the REG_INC note.
3818 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3819 Nathan Sidwell <nathan@codesourcery.com>
3822 * stor-layout.c (update_alignment_for_field): Do not align
3824 (place_union_field): Place union field at the start of the union.
3825 (place_field): Move ERROR_MARK check later, and use the current
3826 allocation position to maintain monotonicity.
3828 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3830 * dominance.c: Include timevar.h.
3831 (calculate_dominance_info): Use TV_DOMINANCE.
3832 * timevar.def (TV_DOMINANCE): New timevar.
3833 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3835 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3837 PR rtl-optimization/14261
3838 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3839 move would be an INSV insn.
3840 (noce_process_if_block): Don't optimize if the destination is a
3841 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3843 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3845 * config/s390/s390.md: Add comments with the instructions emitted
3846 by an insn pattern if macros are used.
3848 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3850 PR rtl-optimization/26026
3851 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3852 is a known power of two shifted left a variable amount.
3854 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3856 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3857 to hash table twice when the debug_str section has SECTION_MERGE.
3859 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3861 * config/soft-fp: New directory. From glibc.
3862 * config/soft-fp/t-softfp: New.
3863 * config/soft-fp/README: New.
3864 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3865 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3866 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3867 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3868 * config.gcc: Use rs6000/t-fprules-fpbit or
3869 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3871 * config/rs6000/sfp-machine.h: New. Based on glibc.
3872 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3874 * config/rs6000/t-fprules: Remove fp-bit rules.
3875 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3876 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3877 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3878 (softfp_wrap_start, softfp_wrap_end): New.
3880 2006-04-18 DJ Delorie <dj@redhat.com>
3882 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3884 2006-04-18 Devang Patel <dpatel@apple.com>
3886 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3888 2006-04-18 Nick Clifton <nickc@redhat.com>
3890 * config/sh/t-symbian: Add rule to build sh-c.o
3891 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3892 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3893 (sh_symbian_encode_section_info): Likewise.
3895 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3897 * builtins.c (expand_builtin_strcmp): Cover label definition of
3898 do_libcall with HAVE_cmpstrnsi.
3900 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3902 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3904 * function.h (temp_slot_p): New.
3905 (function): Change the type of x_used_temp_slots to
3906 VEC(temp_slot_p,gc) *.
3908 2006-04-18 Nick Clifton <nickc@redhat.com>
3910 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3911 flag_strength_reduce.
3913 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3915 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3919 Partial revert of revision 112637
3920 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3921 Dale Johannesen <dalej@apple.com>
3924 * regclass.c (struct reg_pref): Update documentation.
3925 (regclass): Set prefclass to NO_REGS if memory is the best option.
3926 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3928 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3930 PR tree-optimization/26821
3931 * tree-ssa-math-opts.c (get_constant_one): New.
3932 (insert_reciprocals): Use it.
3934 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3936 * dwarf2out.c (free_AT): Delete.
3937 (remove_AT): Update string ref counts.
3938 (remove_child_TAG): Don't call free_die.
3940 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3941 or DW_TAG_GNU_EINCL.
3942 (prune_unused_types_walk_attribs): Reset string refcounts.
3943 (prune_unused_types_update_strings): New.
3944 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3945 call free_die. Do call prune_unused_types_update_strings.
3946 (prune_unused_types): Empty debug_str_hash.
3948 2006-04-17 Roger Sayle <roger@eyesopen.com>
3950 * expr.c (expand_assignment): Optimize away no-op moves where the
3951 source and destination are equal and have no side-effects.
3953 2006-04-17 Richard Guenther <rguenther@suse.de>
3956 * reload.c (push_reload): Guard calls to get_secondary_mem
3959 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3961 * alias.c (reg_base_value, old_reg_base_value): Change the
3962 type to VEC(rtx,gc) *.
3963 (REG_BASE_VALUE, find_base_value, record_set,
3964 init_alias_analysis): Use VEC instead of VARRAY.
3966 * alias.c (alias_sets): Change the type to
3967 VEC(alias_set_entry,gc) *.
3968 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3969 VEC instead of VARRAY.
3970 (last_alias_set): Remove.
3972 * cgraph.h (cgraph_edge_p): New.
3973 Update the prototype of cgraph_function_versioning.
3974 * cgraphunit.c (cgraph_copy_node_for_versioning,
3975 cgraph_function_versioning): Use VEC instead of VARRAY.
3976 * ipa-cp.c (ipcp_insert_stage): Likewise.
3978 2006-04-16 Roger Sayle <roger@eyesopen.com>
3981 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3982 "A op B" or "A op C", we may need to convert A to the type of B and C.
3984 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3986 * target.h (struct gcc_target): Add mode_rep_extended.
3987 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3988 (init_num_sign_bit_copies_in_rep): Initialize it using
3990 (truncate_to_mode): Use it.
3991 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3992 * targhooks.h (default_mode_rep_extended): Declare it.
3993 * targhooks.c (default_mode_rep_extended): Define it.
3994 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3995 default_mode_rep_extended.
3996 (TARGET_INITIALIZER): Include it.
3997 * doc/tm.texi (Misc): Document it.
3998 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3999 (mips_truncated_to_mode): New function.
4001 2006-04-16 Roger Sayle <roger@eyesopen.com>
4004 * expr.c (compress_float_constant): Copy the narrow constant into
4005 a new pseudo before extending it to its final width.
4007 2006-04-16 Roger Sayle <roger@eyesopen.com>
4008 Andrew Pinski <pinskia@gcc.gnu.org>
4009 Dale Johannesen <dalej@apple.com>
4012 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4013 special case code to implement V8HImode and V16QImode with SSE2.
4015 2006-04-15 Roger Sayle <roger@eyesopen.com>
4017 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4018 trees are constructed with a suitable tree type.
4020 2006-04-15 Roger Sayle <roger@eyesopen.com>
4022 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4023 (integer_onep): Likewise.
4024 (integer_all_onesp): Likewise.
4025 (integer_pow2p): Likewise.
4026 (integer_nonzerop): Likewise.
4027 (real_zerop): Likewise.
4028 (real_onep): Likewise.
4029 (real_twop): Likewise.
4030 (real_minus_onep): Likewise.
4031 (int_size_in_bytes): Likewise.
4032 (host_integerp): Likewise.
4034 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4036 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4037 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4038 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4040 * tree-ssa-structalias.h (alias_info): Remove num_references.
4042 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4044 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4045 (output_bvb patterns): Likewise.
4046 * pa.c (output_bb): Use 'bb' insn for long branch case.
4047 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4048 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4049 1. Correct length operand for alternatives 1 and 2.
4050 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4051 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4053 2006-04-14 Roger Sayle <roger@eyesopen.com>
4055 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4056 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4057 were accidentally reverted by r112959.
4059 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4062 * except.h (eh_region_outermost): New prototype.
4063 * except.c (eh_region_outermost): New function.
4064 * tree-cfg.c (find_outermost_region_in_block): Use it.
4066 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4068 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4070 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4071 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4072 (init_reload, reload): Use VEC instead of VARRAY.
4073 * reload.h: Update the prototype for
4074 reg_equiv_memory_loc_varray.
4076 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4077 Eric Botcazou <ebotcazou@libertysurf.fr>
4079 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4082 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4085 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4086 to expand fallback builtin function call.
4088 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4091 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4092 and emit libcall here in case the builtin fails.
4093 (expand_builtin_strcmp): Always emit the libcall here on failure.
4095 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4097 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4098 * flow.c (reg_n_info): Change the type to
4099 VEC(reg_info_p,heap) *.
4100 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4102 * regs.h (reg_info_p): New.
4103 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4104 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4105 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4108 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4110 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4112 * params.h (MAX_SCHED_READY_INSNS): New macro.
4113 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4114 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4115 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4116 the ready list for 1 cycle during the first scheduling pass.
4117 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4119 2006-04-13 Richard Henderson <rth@redhat.com>
4122 * gimple-low.c (lower_omp_directive): Remove dead code.
4123 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4124 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4125 * omp-low.c (struct omp_region): Move to tree-flow.h.
4126 (root_omp_region): Export.
4127 (omp_regions, lookup_omp_region): Remove.
4128 (determine_parallel_type): Update for struct omp_region changes.
4129 (dump_omp_region): Dump regions with block numbers.
4130 (new_omp_region): Take type and block instead of stmt; malloc
4132 (free_omp_region_1, free_omp_regions): New.
4133 (expand_parallel_call): Take entry_stmt as argument; update for
4134 changes to omp_region.
4135 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4136 (remove_exit_barriers): New.
4137 (expand_omp_parallel): Update for struct omp_region changes.
4138 (expand_omp_synch): Likewise.
4139 (expand_omp): Likewise.
4140 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4141 (expand_omp_for_static_chunk): Likewise.
4142 (expand_omp_for): Likewise.
4143 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4144 (expand_omp_sections): Similarly, with GOMP_sections_end.
4145 (expand_omp_single): New.
4146 (build_omp_regions_1): Update for OMP_CONTINUE.
4147 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4148 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4149 OMP_SECTIONS_SECTIONS.
4150 (lower_omp_single_simple): Don't emit barrier here.
4151 (lower_omp_single_copy): Likewise.
4152 (lower_omp_single): Fix bindings, and lower to straightline now.
4153 (lower_omp_master, lower_omp_ordered): Likewise.
4154 (lower_omp_critical): Likewise.
4155 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4156 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4157 omp edges, free it afterward.
4158 (make_omp_sections_edges): Remove.
4159 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4160 (move_stmt_r): Handle OMP_CONTINUE.
4161 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4162 statement pointers to basic blocks. Add type member.
4163 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4164 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4165 * tree-inline.c (estimate_num_insns_1): Likewise.
4166 * tree-pretty-print.c (dump_generic_node): Likewise.
4167 * tree-ssa-operands.c (get_expr_operands): Likewise.
4168 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4169 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4170 (OMP_CONTINUE): New.
4171 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4172 (OMP_SECTIONS_SECTIONS): Remove.
4173 (OMP_SECTION_LAST): New.
4174 (OMP_RETURN_NOWAIT): New.
4176 2006-04-13 Roger Sayle <roger@eyesopen.com>
4178 * fold-const.c (native_encode_vector, native_interpret_real):
4179 Correct obvious mistakes in the previous check-in.
4181 2006-04-13 Roger Sayle <roger@eyesopen.com>
4183 * fold-const.c (native_encode_expr): New function to encode
4184 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4185 or VECTOR_CST into a specified buffer.
4186 (native_encode_int): New function.
4187 (native_encode_real): New function.
4188 (native_encode_complex): New function.
4189 (native_encode_vector): New function.
4190 (native_interpret_expr): Inverse of native_encode_expr to convert
4191 a target representation into an INTEGER_CST, REAL_CST etc...
4192 (native_interpret_int): New function.
4193 (native_interpret_real): New function.
4194 (native_interpret_complex): New function.
4195 (native_interpret_vector): New function.
4196 (fold_view_convert_expr): New function to constant fold/evaluate
4197 a VIEW_CONVERT_EXPR of a suitable constant expression.
4198 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4199 Change call of build1 to fold_build1 when constructing a
4202 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4203 Ulrich Weigand <uweigand@de.ibm.com>
4206 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4209 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4212 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4213 optimize to lo_sum for DFmode if !TARGET_FPRS.
4215 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4217 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4218 delete_alias_info, compute_flow_sensitive_aliasing,
4219 group_aliases): Use VEC instead of VARRAY.
4220 * tree-ssa-structalias.c (update_alias_info): Likewise.
4221 * tree-ssa-structalias.h (alias_info): Change the type of
4222 processed_ptrs to VEC(tree,heap) *.
4224 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4227 * config/sh/lib1funcs.h: New file, broken out of:
4228 * config/sh/lib1funcs.asm.
4229 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4231 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4232 * config/sh/lib1funcs-Os-4-200.asm: New file.
4233 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4234 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4235 (EXTRA_MULTILIB_PARTS): Include it.
4236 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4237 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4238 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4239 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4242 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4244 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4245 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4246 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4248 * tree-ssa-live.h: Include vecprim.h.
4249 (tree_partition_associator_d): Change the type of
4250 first_partition to VEC(int,heap) *.
4251 (tpa_first_partition): Use VEC instead of VARRAY.
4253 * Makefile.in (GTFILES): Move functions.h after tree.h.
4254 * function.c (reset_block_changes, record_block_change,
4255 check_block_change, free_block_changes): Use VEC instead of
4257 * function.h (function): Change the type of
4258 ib_boundaries_block to VEC(tree,gc) *.
4259 * tree-inline.c (copy_cfg_body): Initialize
4260 ib_boundaries_block to NULL instead of (varray_type) 0.
4262 2006-04-12 Roger Sayle <roger@eyesopen.com>
4264 * expr.c (emit_group_store): Correct operand order in call to
4265 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4266 a SUBREG_BYTE of zero.
4268 2006-04-12 Richard Guenther <rguenther@suse.de>
4270 * profile.c (compute_branch_probabilities): Remove code
4271 encapsulated in !ir_type (), which are remanents of the
4272 removed RTL profiling code.
4273 * rtl-profile.c: Remove.
4275 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4277 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4278 magic NULL_RTX comment.
4279 (function_arg): Store entire fp arg to mem if any part should go
4281 (rs6000_arg_partial_bytes): Adjust for above change.
4283 2006-04-11 Roger Sayle <roger@eyesopen.com>
4285 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4286 if it hasn't been initialized by dwarf2out_init.
4288 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4290 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4291 symbolic constants in branch patterns.
4293 2006-04-11 Roger Sayle <roger@eyesopen.com>
4295 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4297 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4299 PR rtl-optimization/27073
4300 * gcse.c (try_replace_reg): Revert last change. Continue to search
4301 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4304 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4306 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4307 aggregate types other than record and union types.
4308 (function_arg): Likewise.
4309 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4311 (function_value): In 64-bit mode, return objects that require it
4314 2006-04-11 Roger Sayle <roger@eyesopen.com>
4316 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4318 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4320 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4322 2006-04-03 Jeff Law <law@redhat.com>
4325 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4326 alias information too.
4328 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4330 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4332 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4335 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4336 (premark_used_types_helper): New.
4337 (premark_used_types): New.
4338 (gen_subprogram_die): Call premark_used_types.
4339 (prune_unused_types_walk): Do not prune perennial dies.
4340 * function.c (used_types_insert): New.
4341 * function.h (struct function): Add used_types_hash field.
4342 (used_types_insert): Add prototype.
4343 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4344 * c-parser.c (c_parser_cast_expression): Save casted types in used
4347 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4350 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4351 rs6000_explicit_options.float_gprs.
4353 2006-04-10 Roger Sayle <roger@eyesopen.com>
4355 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4356 from ix86_expand_vector_init_low_nonzero. Take an additional
4357 one_var argument indicating which element is non-zero. Support
4358 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4359 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4360 with one_var instead of ix86_expand_vector_init_low_nonzero.
4362 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4364 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4365 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4366 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4367 build/genextract.o): Depend on vecprim.h.
4368 * cfglayout.c, df-problems.c, function.c, genextract.c,
4369 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4370 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4374 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4376 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4377 Declare VECs of this type.
4378 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4379 (remove_children): Delete.
4380 (add_dwarf_attr): Use VEC routines.
4381 (add_AT_flag): Update for changes to add_dwarf_attr.
4382 (add_AT_int): Likewise.
4383 (add_AT_unsigned): Likewise.
4384 (add_AT_long_long): Likewise.
4385 (add_AT_vec): Likewise.
4386 (add_AT_string): Likewise.
4387 (add_AT_die_ref): Likewise.
4388 (add_AT_fde_ref): Likewise.
4389 (add_AT_loc): Likewise.
4390 (add_AT_loc_list): Likewise.
4391 (add_AT_addr): Likewise.
4392 (add_AT_lbl_id): Likewise.
4393 (add_AT_lineptr): Likewise.
4394 (add_AT_macptr): Likewise.
4395 (add_AT_offset): Likewise.
4396 (add_AT_range_list): Likewise.
4397 (get_AT): Use VEC_iterate.
4398 (remove_AT): Use VEC_ordered_remove.
4399 (free_die): Fold remove_children into here; have it use VEC_iterate.
4400 (print_die): Use VEC_iterate on attrs.
4401 (reverse_die_lists): Don't reverse attr lists.
4402 (die_checksum): Use VEC_iterate on attrs.
4403 (same_die_p): Likewise.
4404 (output_location_lists): Likewise.
4405 (build_abbrev_table): Likewise.
4406 (size_of_die): Likewise.
4407 (unmark_all_dies): Likewise.
4408 (output_abbrev_section): Likewise.
4409 (output_die): Likewise.
4410 (prune_unused_types_walk_attribs): Likewise.
4412 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4414 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4416 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4419 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4421 2006-04-09 Roger Sayle <roger@eyesopen.com>
4423 * expr.c (store_constructor): Don't bother clearing target if
4424 we're about to assign a vector to it using vec_init_optab.
4426 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4428 * tree-ssa-alias.c (lhs_may_store_to): New function.
4429 (recalculate_used_alone): Handle LHS of calls.
4431 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4435 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4436 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4437 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4438 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4439 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4440 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4441 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4442 stubs. Add ".align 8" directives before all ".dword" directives.
4443 (GTHREAD_USE_WEAK): Revise comment.
4444 (TARGET_ATTRIBUTE_WEAK): Define.
4445 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4446 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4447 * stublib.c: New file.
4452 * pa.md (cbranch patterns): Revise arguments used in calls to
4453 output_cbranch, output_bb and output_bvd. Add long branch length
4455 (fbranch patterns): Handle long branches.
4456 (jump): Revise length check. Revise arguments for output_lbranch call.
4457 Add long branch length attributes.
4458 (decrement_and_branch_until_zero): Add long branch length attributes.
4459 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4460 Likewise. Revise arguments for output_parallel_addb and
4461 output_parallel_movb calls.
4462 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4463 output_parallel_movb and output_parallel_addb): Update prototypes.
4464 * pa.c (output_cbranch): Revise arguments. Correct handling of
4465 nullification in long branches.
4466 (output_lbranch): Add new argument to control extraction of delay
4468 (output_bb): Handle long branches.
4469 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4470 output_parallel_addb): Likewise.
4472 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4474 PR rtl-optimization/27073
4475 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4478 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4480 * tree.h (tree_memory_tag): Add old_used_alone.
4481 (SMT_OLD_USED_ALONE): New macro.
4482 * tree-ssa-alias.c (recalculate_used_alone): Stop
4483 marking things for renaming unnecessarily.
4485 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4487 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4488 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4489 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4490 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4491 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4492 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4493 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4494 spelling convensions.
4495 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4496 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4497 typos. Follow spelling conventions.
4499 2006-04-07 DJ Delorie <dj@redhat.com>
4501 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4502 passed on the stack.
4503 (m32c_init_cumulative_args): When a function returns a structure,
4504 always pass the pointer to that return area on the stack.
4505 (m32c_function_arg_advance): Don't increment the parameter number
4506 if we're processing the returned structure pointer.
4507 (pushm_info): Reverse order of registers.
4509 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4511 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4512 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4513 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4514 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4516 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4517 chrec_fold_multiply): Same.
4518 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4519 force_expr_to_var_cost): Same.
4520 * tree-mudflap.c (mf_xform_derefs_1): Same.
4521 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4523 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4525 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4526 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4529 2006-04-07 Jan Hubicka <jh@suse.cz>
4531 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4533 2006-04-07 Richard Guenther <rguenther@suse.de>
4535 PR tree-optimization/26135
4536 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4537 loads for store copy-prop.
4538 (copy_prop_visit_stmt): Likewise.
4540 2006-04-05 Robert Millan <robertmh@gnu.org>
4542 * config/i386/linux.h: Add a comment to mark macros that are
4543 being overriden in config/k*bsd-gnu.h.
4544 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4546 * config/knetbsd-gnu.h: Ditto.
4548 2006-04-06 Jan Hubicka <jh@suse.cz>
4552 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4555 2006-04-06 Mike Stump <mrs@apple.com>
4557 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4558 for HAVE_nonlocal_goto to be consistent.
4559 (expand_builtin_nonlocal_goto): Likewise.
4560 (expand_builtin_strcmp): Use #ifdef instead of #if
4561 for HAVE_cmpstrnsi to be consistent.
4563 2006-04-05 DJ Delorie <dj@redhat.com>
4565 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4568 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4570 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4571 got-relative addressing for anything but SImode.
4573 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4574 even if the calling function doesn't modify them.
4576 2006-04-05 Richard Guenther <rguenther@suse.de>
4578 PR tree-optimization/26919
4579 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4580 to cgraph_estimate_size_after_inlining.
4582 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4584 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4586 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4588 PR tree-optimization/26996
4589 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4590 VECTOR_TYPE variables.
4592 2006-04-05 Richard Guenther <rguenther@suse.de>
4594 PR tree-optimization/26763
4595 * fold-const.c (fold_comparison): Move folding of
4596 PTR + CST CMP PTR + CST ...
4597 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4599 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4601 * doc/install.texi (Prerequisites): Refine some wording on
4602 bootstrapping and ksh.
4603 Move the version numbers of DejaGnu here from the testing section
4604 and fix casing of names.
4605 Fix markup and clarify wording for autogen requirements.
4606 Refer to GCJ instead of just java.
4607 Refer to SVN instead of CVS.
4608 Describe diffutils as useful instead of necessary.
4609 (Downloading the source): Refer to SVN instead of CVS.
4610 Adjust a link to our web site accordingly.
4611 (Configuration): Fix casing of Bison.
4612 (Building): Refer to SVN instead of CVS.
4613 Fix a sentence on the use of Bison and remove duplicate (and
4614 incorrect) version number of Bison requirement.
4615 Remove one redundant list of packages needed for building.
4616 (Specific): Avoid reference to CVS.
4618 2006-04-04 Eric Christopher <echristo@apple.com>
4620 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4621 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4622 (rs6000_handle_struct_attribute): New.
4623 (rs6000_ms_bitfield_layout_p): Ditto.
4625 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4627 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4628 NULL for dso parameter to atexit_common.
4630 2006-04-04 Eric Christopher <echristo@apple.com>
4632 * config/i386/i386.c (machopic_output_stub): Output \t
4633 between instructions and operands.
4635 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4637 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4638 satisfies_constraint_[IL] to explicit tests on value.
4640 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4642 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4643 set_nb_iterations_in_loop): Use build_int_cst instead of
4645 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4646 build_int_cst instead of convert.
4648 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4650 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4651 new value 2 for incoming.
4652 * function.c (expand_function_start): Call struct_value_rtx
4654 * config/sparc/sparc.md: Comment updated_return.
4655 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4656 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4657 struct return if sparc_std_struct_return and incoming is 2.
4658 (print_operand): Do not adjust return if
4659 sparc_std_struct_return.
4661 2006-04-04 Roger Sayle <roger@eyesopen.com>
4663 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4664 convert in the middle-end.
4665 * expr.c (store_expr, store_constructor, get_inner_reference,
4666 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4668 * tree.c (build_range_type): Likewise.
4670 2006-04-04 Tom Tromey <tromey@redhat.com>
4672 * doc/install.texi (Prerequisites): Mention jar.
4674 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4676 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4679 2006-04-04 Matthias Klose <doko@debian.org>
4681 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4682 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4685 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4687 * doc/extend.texi (Function Attributes): Rewrite visibility
4688 attribute documentation.
4689 * doc/invoke.texi (C++ Dialect Options): Rewrite
4690 -fvisibility-inlines-hidden documentation to describe something
4691 entirely different, although in practise compatible.
4692 (Code Gen Options): Warn about system headers in -fvisibility=
4695 * doc/extend.texi (Other Builtins): Document that
4696 __builtin_nan is a compile-time constant only when its argument
4699 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4701 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4702 trying to remove TRUNCATE check if all bits outside the new mode
4703 are identical to the sign bit.
4705 2006-04-03 Jeff Law <law@redhat.com>
4707 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4708 and operand scanning in some common cases.
4710 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4711 Dale Johannesen <dalej@apple.com>
4714 * regclass.c (struct reg_pref): Update documentation.
4715 (regclass): Set prefclass to NO_REGS if memory is the best option.
4716 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4717 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4718 into account. For non-registers, equate an empty preferred
4719 reload class to a `!' in the constraint; move the if clause to
4720 do so after those that reject the insn.
4721 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4723 (find_dummy_reload): Likewise.
4724 * doc/tm.texi (Register Classes): Document what it means
4725 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4726 * config/i386/i386.c (ix86_preferred_reload_class): Force
4727 using SSE registers (and return NO_REGS for floating-point
4728 constants) if math is done with SSE.
4729 (ix86_preferred_output_reload_class): New.
4730 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4731 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4732 * config/i386/i386.md: Remove # register preferences.
4734 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4737 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4738 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4739 the type of nb_iter.
4740 (instantiate_parameters_1): Convert the operands before calling
4741 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4742 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4744 2006-04-02 Roger Sayle <roger@eyesopen.com>
4746 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4747 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4749 * dojump.c (do_jump): Likewise.
4750 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4751 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4752 gimplify_boolean_expr): Likewise.
4753 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4754 * varasm.c (array_size_for_constructor): Likewise.
4755 * tree-object-size.c (compute_object_offset): Likewise.
4757 2006-04-02 Roger Sayle <roger@eyesopen.com>
4760 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4761 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4763 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4765 PR tree-optimization/26939
4766 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4768 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4770 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4771 at_stmt. Convert the type of operands before calling
4772 build_polynomial_chrec.
4773 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4775 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4776 (instantiate_parameters_1): Convert the type of operands before calling
4777 build_polynomial_chrec.
4778 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4779 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4780 reset_evolution_in_loop): Insert asserts to check the types of the
4782 (chrec_type): Moved...
4783 (eq_evolutions_p): Use operand_equal_p.
4784 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4785 the types of the operands.
4786 (chrec_type): ...here.
4787 * tree-data-ref.c (create_data_ref): Convert the operands before
4788 calling chrec_replace_initial_condition.
4789 (same_access_functions, analyze_subscript_affine_affine,
4790 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4791 (compute_subscript_distance, analyze_ziv_subscript,
4792 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4793 analyze_miv_subscript): Convert the operands before calling
4794 chrec_fold_minus or chrec_fold_plus.
4796 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4798 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4799 the dependence_relations vector.
4800 (compute_data_dependences_for_loop): Adjust call to
4801 compute_all_dependences.
4803 2006-04-01 Roger Sayle <roger@eyesopen.com>
4804 Richard Henderson <rth@redhat.com>
4806 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4807 gimple_boolify on the condition before calling gimplify_expr.
4809 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4811 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4812 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4813 the frame size. Update to use the new macros.
4814 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4815 * config/xtensa/ieee754-df.S: Likewise.
4817 2006-03-31 Richard Henderson <rth@redhat.com>
4819 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4820 (make_edges): ... here. Control fallthru creation with a local
4821 variable. Do not play with fake edges.
4822 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4823 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4826 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4828 * dwarf2.h (DW64_CIE_ID): Define.
4829 * dwarf2out.c (DWARF_CIE_ID): Define.
4830 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4831 length header. Use DWARF_CIE_ID.
4832 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4833 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4835 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4837 * config/sh/linux-atomic.asm: New file.
4838 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4840 2006-03-31 DJ Delorie <dj@redhat.com>
4842 * config/m32c/cond.md: Set condition flags properly throughout.
4843 * config/m32c/minmax.md: Likewise.
4844 * config/m32c/prologue.md: Likewise.
4845 * config/m32c/bitops.md: Likewise.
4846 * config/m32c/muldiv.md: Likewise.
4847 * config/m32c/mov.md: Likewise.
4848 * config/m32c/addsub.md: Likewise.
4849 * config/m32c/m32c.md: Likewise.
4850 * config/m32c/jump.md: Likewise.
4851 * config/m32c/shift.md: Likewise.
4853 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4854 conditionally output the pattern for this.
4855 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4856 (m32c_compare_redundant): New.
4857 (m32c_output_compare): New.
4858 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4860 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4861 dest, not src. Allow other 4-byte modes.
4863 2006-03-30 Denis Chertykov <denisc@overta.ru>
4865 * doc/md.texi: Refer to avr/constraints.md instead of
4868 2006-03-30 Roger Sayle <roger@eyesopen.com>
4870 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4871 signed vs. unsigned comparison failures on some hosts.
4873 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4876 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4877 change to FLOAT_REGS.
4879 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4880 (rs6000_override_options): Use it.
4881 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4882 only for -mabi=spe/no-spe and -mabi=altivec.
4884 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4886 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4889 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4891 * Makefile.in: Rename docdir to gcc_docdir.
4893 2006-03-30 Roger Sayle <roger@eyesopen.com>
4896 * expr.c (emit_group_store): Optimize group stores into a pseudo
4897 register by using a paradoxical subreg to initialize the destination
4898 if the first or last member of the group specifies a "low part".
4900 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4903 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4904 * target.h (struct gcc_target.speculate_insn): Change type of the
4905 second parameter to 'int'.
4906 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4907 the second operand of the DEPS_LIST.
4908 (copy_DEPS_LIST_list): Update reference to the second operand of the
4910 * rtl.h (alloc_DEPS_LIST): Update signature.
4911 * sched-int.h (ds_t): Change typedef to 'int'.
4912 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4914 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4916 * haifa-sched.c (try_ready): Change condition to restore
4917 non-speculative pattern of the instruction.
4918 (process_insn_depend_be_in_spec): Code to keep probability of the
4919 speculative dependence non-decreasing.
4921 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4923 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4924 (single_move_for_movmem): ... this. Also change all uses.
4925 (bfin_expand_strmov): Renamed to...
4926 (bfin_expand_movmem): ... this. Also change all uses.
4927 * config/bfin/bfin.md (movstrsi): Renamed to...
4928 (movstrsi): ...this.
4930 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4932 PR tree-optimization/26830
4934 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4935 (copy_prop_visit_stmt): Remove write-only variable ann.
4936 (init_copy_prop): Check variable loop depth here. Do not simulate
4937 memory-tag and virtual operand PHIs except for store copy prop.
4939 2006-03-30 Richard Guenther <rguenther@suse.de>
4941 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4942 variants with double arguments.
4944 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4946 * genpreds.c (write_tm_constrs_h): Delete variable p.
4947 * genconditions.c (write_header): Add tm-constrs.h to included
4949 * genpeep.c (main): Add toplev.h to included headers.
4950 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4951 (build/genpeep.o): Add toplev.h dependency.
4952 * config/rs6000/constraints.md: Add "W" constraint.
4954 2006-03-29 Roger Sayle <roger@eyesopen.com>
4956 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4957 sizes by correctly testing whether the size fits a host integer.
4958 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4959 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4960 SImode range for the default sizetype and bitsizetype.
4962 2006-03-29 Roger Sayle <roger@eyesopen.com>
4964 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4965 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4966 quickly if the argument is already of the correct type.
4967 Call fold_build1 instead of build1. Tidy up blank lines.
4969 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4971 * genemit.c (main): Add tm-constrs.h to included headers.
4972 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4973 * genpeep.c (main): Add tm-constrs.h to included headers.
4974 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4975 (write_tm_constrs_h): this and write complete file.
4976 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4977 (write_insn_preds_c): Add tm-constrs.h to included headers.
4978 (gen_constrs): New variable.
4979 (parse_option): Parse "-c".
4980 (main): Invoke write_tm_constrs_h.
4981 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4982 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4983 (object_out_file): Add tm-constrs.h dependency.
4984 (insn-emit.o): Same.
4985 (insn-output.o): Same.
4986 (insn-peep.o): Same.
4987 (insn-preds.o): Same.
4988 (insn-recog.o): Same.
4989 (tm-constsr.h): New target.
4990 (s-constrs-h): New target.
4992 * config/rs6000/constraints.md: New file.
4993 * config/rs6000/rs6000.c: Include tm-constrs.h.
4994 (num_insn_constant_wide): Convert to satisfies_constraint.
4995 (rs6000_rtx_costs): Convert to satisfies_constraint.
4996 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4997 (CONST_OK_FOR_LETTER_P): Delete.
4998 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4999 (EXTRA_CONSTRAINT): Delete.
5000 (EXTRA_MEMORY_CONSTRAINT): Delete.
5001 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5002 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5003 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5004 satisfies_constraint.
5006 * config/i386/i386.c: Include tm-constrs.h.
5008 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5010 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5011 * tree-data-ref.c (find_data_references_in_loop,
5012 compute_data_dependences_for_loop): Use pointers to VEC.
5013 (analyze_all_data_dependences): Adjust calls.
5014 * tree-data-ref.h (find_data_references_in_loop,
5015 compute_data_dependences_for_loop): Adjust declarations.
5016 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5017 compute_data_dependences_for_loop.
5019 2006-03-29 Paul Brook <paul@codesourcery.com>
5021 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5024 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5026 PR tree-optimization/26859
5027 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5029 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5030 for the step after fold_convert.
5032 2006-03-29 Paul Brook <paul@codesourcery.com>
5034 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5035 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5037 2006-03-29 Paul Brook <paul@codesourcery.com>
5040 * targhooks.c (default_narrow_bitfield): New fuction.
5041 * targhooks.h (default_narrow_bitfield): add prototype.
5042 * target.h (gcc_target): Add narrow_volatile_bitfield.
5043 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5044 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5045 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5046 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5048 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5050 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5052 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5053 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5054 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5055 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5056 (s390_function_arg_float): Allow SDmode and DDmode values to be
5057 passed in floating point registers.
5058 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5059 check with SCALAR_FLOAT_MODE_P.
5060 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5062 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5064 PR tree-optimization/25985
5065 * tree-ssa-loop-niter.c (number_of_iterations_le,
5066 number_of_iterations_ne): Make comments more precise.
5067 (number_of_iterations_cond): Add only_exit argument. Use the
5068 fact that signed variables do not overflow only when only_exit
5070 (loop_only_exit_p): New.
5071 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5072 number_of_iterations_cond.
5074 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5076 PR tree-optimization/26643
5077 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5080 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5082 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5083 (divsi3_i4_int): Likewise.
5085 2006-03-28 Roger Sayle <roger@eyesopen.com>
5087 * expr.c (emit_group_store): Only create a new pseudo reg if the
5088 quantity it needs to hold isn't already a suitable pseudo.
5090 2006-03-28 Jeff Law <law@redhat.com>
5092 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5093 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5095 2006-03-28 Roger Sayle <roger@eyesopen.com>
5097 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5098 the equivalent ~X & Y, and the symmetry related transformations.
5099 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5100 ~X & Y, and symmetry related transforms.
5102 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5104 Revert my 2006-03-27 patches.
5106 2006-03-28 Roger Sayle <roger@eyesopen.com>
5108 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5109 ~(T1)X, when T1 and T2 are integer types of the same precision
5110 and (T2)X isn't an extension.
5112 2006-03-28 Jeff Law <law@redhat.com>
5114 PR tree-optimization/26796
5115 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5116 need EH edge cleanups rather than purging them immediately.
5117 (eliminate_degenerate_phis): Handle queued EH cleanups.
5119 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5121 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5124 2006-03-27 Roger Sayle <roger@eyesopen.com>
5127 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5128 cast BIT_NOT_EXPR operand to the correct type.
5130 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5132 * tree-loop-linear.c: Don't include varray.h.
5133 (gather_interchange_stats, try_interchange_loops,
5134 linear_transform_loops): Use VEC instead of VARRAY.
5135 * lambda-mat.c: Don't include varray.h.
5136 * tree-chrec.c: Same.
5137 * lambda-trans.c: Same.
5138 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5139 VEC instead of VARRAY.
5140 * tree-vectorizer.h: Idem.
5141 * tree-data-ref.c (dump_data_references,
5142 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5143 initialize_data_dependence_relation, finalize_ddr_dependent,
5144 compute_all_dependences, find_data_references_in_loop,
5145 compute_data_dependences_for_loop, analyze_all_data_dependences,
5146 free_dependence_relation, free_dependence_relations,
5147 free_data_refs): Idem.
5148 * tree-data-ref.h (data_reference_p, subscript_p): New.
5149 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5150 VEC instead of VARRAY.
5151 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5152 (find_data_references_in_loop, compute_data_dependences_for_loop,
5153 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5154 dump_data_dependence_relations, free_dependence_relations,
5155 free_data_refs): Adjust declaration.
5156 (lambda_transform_legal_p): Move declaration here...
5157 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5158 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5159 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5160 vect_analyze_data_refs): Use VEC instead of VARRAY.
5161 * lambda.h (lambda_transform_legal_p): ...from here.
5162 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5163 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5164 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5165 tree-chrec.o): Don't depend on VARRAY_H.
5167 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5169 * rtl.def (Copyright): Update date.
5170 (DEPS_LIST): Change type of the second operand to 'int'.
5171 * target.h (Copyright): Update date.
5172 (struct gcc_target.speculate_insn): Change type of the second parameter
5174 * lists.c (Copyright): Update date.
5175 (alloc_DEPS_LIST): Change signature. Update reference to the second
5176 operand of the DEPS_LIST.
5177 (copy_DEPS_LIST_list): Update reference to the second operand of the
5179 * rtl.h (Copyright): Update date.
5180 (alloc_DEPS_LIST): Update signature.
5181 * sched-int.h (Copyright): Update date.
5182 (ds_t): Change typedef to 'int'.
5183 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5185 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5187 * haifa-sched.c (Copyright): Update date.
5188 (try_ready): Change condition to restore non-speculative pattern
5190 (process_insn_depend_be_in_spec): Code to keep probability of the
5191 speculative dependence non-decreasing.
5193 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5195 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5196 shut up the compiler.
5198 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5200 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5201 to use lib prefix for target.
5202 ($(T)libic_invalidate_array_4-200.a): Likewise.
5203 ($(T)libic_invalidate_array_4a.a): Likewise.
5205 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5206 J"orn Rennecke <joern.rennecke@st.com>
5208 * superh.opt: New file.
5209 * sh.c (boardtype, osruntime): Remove.
5210 * superh.h (SUBTARGET_OPTIONS): Remove.
5211 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5213 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5214 arguments with ^ and/or [].
5216 * config.gcc (sh-*-*): Add quoting to account for quirk of
5218 Replace == with = in enable_incomplete_targets test.
5220 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5221 with MASK_LITTLE_ENDIAN.
5223 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5224 * config/sh/sh.opt: Added to some comments.
5225 * config/sh/superh.h: Removed some chaff.
5227 * config/sh/sh.opt: Add m4-[1234]00* options.
5228 * config/sh/sh.c (sh_handle_option): Likewise.
5229 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5230 (ic_invalidate_array_4-100.o): New rule.
5231 ($(T)libic_invalidate_array_4-100.a): Likewise.
5232 (ic_invalidate_array_4-200.o): Likewise.
5233 ($(T)libic_invalidate_array_4-200.a): Likewise.
5234 (ic_invalidate_array_4a.o): Likewise.
5235 ($(T)libic_invalidate_array_4a.a): Likewise.
5236 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5237 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5239 * config/sh/crt1.asm: Merged in profiling code.
5240 * config/sh/superh.h (STARTFILE_SPEC): Override.
5241 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5242 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5243 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5245 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5246 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5247 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5249 * sh.opt (mpretend-cmove): New option.
5250 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5251 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5252 (movsicc): Add TARGET_PRETEND_CMOVE code.
5254 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5256 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5257 s390_class_max_nregs): New function prototypes.
5258 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5259 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5260 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5261 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5263 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5265 * dwarf2out.c (add_location_or_const_value_attribute): Call
5266 tree_add_const_value_attribute if nothing else works.
5267 (reference_to_unused): New.
5268 (rtl_for_decl_init): Use reference_to_unused to decide whether
5269 to output an initializer.
5271 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5274 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5275 peephole removing spe frob_di_df_2.
5277 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5279 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5280 (subscript_dependence_tester_1): Declared.
5281 (print_dir_vectors, print_dist_vectors): New.
5282 (debug_data_dependence_relation): New.
5283 (dump_data_dependence_relation): Print more details.
5284 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5285 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5286 (save_dist_v, save_dir_v, add_outer_distances,
5287 build_classic_dist_vector_1): New.
5288 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5289 Don't test for lambda_vector_lexico_pos.
5290 (same_access_functions, add_multivariate_self_dist,
5291 add_other_self_distances, dir_from_dist): New.
5292 (build_classic_dir_vector): Replace implementation almost identical to
5293 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5295 (subscript_dependence_tester_1): New.
5296 (subscript_dependence_tester): Handle the lexicographically negative
5297 distance vectors by recomputing the dependence relation.
5298 (compute_affine_dependence): Remove parameter loop_nest_depth.
5299 (compute_self_dependence): Don't call compute_subscript_distance.
5300 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5301 Add a parameter for the loop_nest.
5302 (find_loop_nest_1, find_loop_nest): New.
5303 (compute_data_dependences_for_loop): Compute the loop nest, and give
5304 up if the nest is not well formed.
5305 * tree-data-ref.h (loop_p): New.
5306 (struct data_dependence_relation): Replace size_vect field with
5307 loop_nest, a vec of loops.
5308 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5309 (DDR_LOOP_NEST): New.
5310 (print_dir_vectors, print_dist_vectors,
5311 debug_data_dependence_relation): Declared.
5312 (index_in_loop_nest): New.
5313 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5314 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5317 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5319 * simplify-rtx.c (simplify_relational_operation): Call
5320 simplify_relational_operation_1 even if mode is VOIDmode.
5322 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5324 PR tree-optimization/26804
5325 * tree.h (DECL_CALL_CLOBBERED): New macro.
5326 (tree_decl_common): Add call_clobbered_flag.
5327 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5328 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5329 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5330 (mark_non_addressable): Ditto.
5331 * tree-ssa.c (verify_call_clobbered): New function.
5332 (verify_alias_info): Use it.
5333 * tree-pass.h (pass_reset_cc_flags): New prototype.
5334 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5335 (reset_cc_flags): New function.
5336 * passes.c (init_optimization_passes): Call reset_cc_flags after
5337 initializing referenced_vars.
5339 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5340 Roger Sayle <roger@eyesopen.com>
5343 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5344 to 1.0 for non-real operands. Implement A / A optimization for
5347 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5349 * config/i386/i386.c (size_cost): Correct the comment for
5350 cost of storing fp registers.
5351 (i386_cost): Likewise.
5352 (i486_cost): Likewise.
5353 (pentium_cost): Likewise.
5354 (pentiumpro_cost): Likewise.
5355 (k6_cost): Likewise.
5356 (athlon_cost): Likewise.
5357 (k8_cost): Likewise.
5358 (pentium4_cost): Likewise.
5359 (nocona_cost): Likewise.
5360 (generic64_cost): Likewise.
5361 (generic32_cost): Likewise.
5363 2006-03-24 Denis Chertykov <denisc@overta.ru>
5365 * config/avr/avr-protos.h (extra_constraint): Delete.
5366 (extra_constraint_Q): New declaration.
5367 * config/avr/constraints.md: New file.
5368 * config/avr/avr.md: Include it.
5369 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5370 (TMP_REGNO, ZERO_REGNO): Likewise.
5371 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5372 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5373 (extra_constraint): Delete.
5374 (extra_constraint_Q): Test for memory constraint 'Q'.
5375 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5376 (REG_CLASS_FROM_LETTER): Delete.
5377 (CONST_OK_FOR_LETTER_P): Delete.
5378 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5379 (EXTRA_CONSTRAINT): Delete.
5380 (TMP_REGNO): Delete.
5381 (ZERO_REGNO): Delete.
5383 2006-03-24 Jeff Law <law@redhat.com>
5385 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5386 directly. Call mark_new_vars_to_rename slightly earlier.
5388 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5390 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5392 (gen_compile_unit_die): Use new language types for Objective-C and
5394 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5395 DW_LANG_C_plus_plus.
5398 * config/t-darwin (crt3.o): Work around bug 26840.
5399 * config/darwin-crt3.c: Rewrite.
5400 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5402 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5404 * doc/invoke.texi: Document -femit-class-debug-always
5405 * common.opt: Add -femit-class-debug-always.
5407 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5409 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5410 index and base register.
5411 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5412 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5413 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5414 REGNO_OK_FOR_INDEX_P.
5415 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5417 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5418 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5419 REG_OK_FOR_BASE_P): Definitions removed.
5421 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5424 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5425 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5426 set yet or weren't marked as local yet.
5428 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5430 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5433 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5435 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5436 (rs6000_legitimate_small_data_p): Delete.
5437 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5438 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5439 and make static. Add forward declaration. Update uses.
5440 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5441 of offsettable_memref_p.
5442 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5443 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5445 2006-03-24 Jeff Law <law@redhat.com>
5447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5448 around bug in immediate-use iterator.
5450 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5453 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5454 or __LITTLE_ENDIAN__.
5456 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5458 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5459 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5460 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5461 * config/sh/sh.opt (mdiv=): Amend description.
5462 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5463 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5464 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5465 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5466 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5467 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5468 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5469 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5470 TARGET_DIVIDE_CALL_FP.
5472 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5474 * haifa-sched.c (choose_ready): Fix type of the local variable.
5475 Move local variables. Add comment.
5476 (check_reg_live): Change signature. Make callable from debugger.
5477 * sched-int.h (check_reg_live): Update signature.
5478 * sched-ebb.c (check_reg_live): Update parameters.
5479 * sched-rgn.c (check_reg_live): Ditto.
5480 (region_head_or_leaf_p): Check pointer before dereferencing.
5481 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5482 before reload on optimization levels below 1.
5484 2006-03-23 Richard Henderson <rth@redhat.com>
5486 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5490 * config/alpha/predicates.md (local_symbolic_operand): Reject
5493 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5496 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5497 expressions which have overflowed constants.
5499 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5501 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5503 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5505 * cfgloopmanip.c (create_loop_notes): Removed.
5506 * final.c (final_scan_insn): Do not handle loop notes.
5507 * jump.c (squeeze_notes): Ditto.
5508 * cfglayout.c (skip_insns_after_block,
5509 duplicate_insn_chain): Ditto.
5510 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5512 * cfgloop.h (create_loop_notes): Declaration removed.
5514 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5516 * varasm.c (output_constant_pool): Restore fnname and fndecl
5518 (assemble_start_function): Adjust call accordingly.
5519 (assemble_end_function): Likewise.
5521 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5524 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5527 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5529 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5532 * system.h (ICE_EXIT_CODE): New macro.
5533 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5534 (diagnostic_action_after_output): Likewise.
5535 * gcc.c (fatal_ice): New function.
5536 (execute): Use it instead of fatal.
5537 (fancy_abort): Likewise.
5538 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5540 2006-03-22 Jeff Law <law@redhat.com>
5542 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5543 iv_analyze_result returning false.
5545 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5547 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5549 2006-03-22 Richard Henderson <rth@redhat.com>
5552 * except.c (duplicate_eh_regions_0): New.
5553 (duplicate_eh_region_1): Duplicate the children of the node as
5554 well as the node itself. Link them up properly.
5555 (duplicate_eh_region_2): Merge into ...
5556 (duplicate_eh_regions): ... here. Take copy_region argument, and
5557 copy only a sub-tree if asked. Simplify copying and fixup.
5558 (eh_region_outer_p): New.
5559 * except.h (duplicate_eh_regions): Update decl.
5560 (eh_region_outer_p): Declare.
5561 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5562 (lower_omp_master): Likewise.
5563 (lower_omp_ordered): Likewise.
5564 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5565 (move_stmt_r): Use it to remap labels. Handle recursion vs
5566 remap_decls_p properly.
5567 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5568 (find_outermost_region_in_block): New.
5569 (new_label_mapper): New.
5570 (move_sese_region_to_fn): Copy eh information to the new function
5572 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5574 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5577 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5579 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5580 into shared libraries.
5582 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5584 * doc/md.texi: Refer to i386/constraints.md instead of
5586 * config/i386/constraints.md: New file, extracted from...
5587 * config/i386/predicates.md: ...here.
5588 * config/i386/i386.md: Include constraints.md.
5590 2006-03-21 Jason Merrill <jason@redhat.com>
5592 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5595 * expr.c (init_block_move_fn): Force default visibility.
5596 (init_block_clear_fn): Likewise.
5597 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5598 * targhooks.c (default_external_stack_protect_fail): Likewise.
5600 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5602 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5603 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5604 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5605 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5606 (loadgp): Use mips_current_loadgp_style.
5607 (loadgp_noshared): New pattern.
5608 (sibcall_internal): Use MIPS_CALL.
5609 (sibcall_value_internal): Likewise.
5610 (sibcall_value_multiple_internal): Likewise.
5611 (call_internal): Likewise.
5612 (call_value_internal): Likewise.
5613 (call_value_multiple_internal): Likewise.
5614 (call_split): Use MIPS_CALL and add an 'S' constraint.
5615 (call_value_split): Likewise.
5616 (call_value_multiple_split): Likewise.
5617 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5618 (-mshared): New option.
5619 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5620 (mips_current_loadgp_style): Declare.
5621 * config/mips/mips.c (mips_classify_symbol): Avoid using
5622 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5623 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5624 TARGET_ABSOLUTE_ABICALLS.
5625 (override_options): Adjust comments. Improve the warning that is
5626 issued when -mabicalls and -G are used together.
5627 (mips_file_start): Remove comment.
5628 (mips_current_loadgp_style): New function.
5629 (mips_gnu_local_gp): New variable.
5630 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5632 (mips_output_function_prologue): Use mips_current_laodgp_style.
5633 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5634 the cprestore instruction.
5635 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5636 live for TARGET_ABSOLUTE_ABICALLS.
5637 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5638 (ASM_SPEC): Pass down -mshared and -mno-shared.
5639 (MIPS_CALL): New macro.
5640 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5642 * doc/invoke.texi (-mabicalls): Update documentation.
5643 (-mshared): Document.
5645 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5647 * config/ia64/unwind-hpux.c: New file.
5648 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5650 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5653 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5655 2006-03-21 Jeff Law <law@redhat.com>
5657 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5658 type conversions of a VR_VARYING source to a wider type.
5660 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5662 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5663 tm_file on Solaris 10 and later.
5664 (sparc64-*-solaris2*): Likewise.
5665 (sparc-*-solaris2*): Likewise.
5666 * config/sol26.h: Rename to config/sol2-6.h.
5667 * config/sol2-10.h: New file.
5669 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5672 * tree-ssa-pre.c (create_component_ref_by_pieces):
5675 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5678 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5679 return it immediately.
5681 2006-03-21 Michael Matz <matz@suse.de>
5683 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5685 (remove_arc, add_arc): Update num_out_arcs member.
5686 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5688 (cache_presence): New function.
5689 (compare_states_for_equiv): New function.
5690 (state_is_differed): Don't take number of outargs, adjust callers.
5691 Use new invariant for speeding up.
5692 (init_equiv_class): Create initial classes based on sorted
5694 (partition_equiv_class): Don't track out_arcs_num.
5695 (evaluate_equiv_classes): Call cache_presence on all states and
5698 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5700 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5701 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5702 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5703 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5705 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5706 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5707 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5708 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5709 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5711 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5712 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5713 (REGNO_REG_CLASS): ARGP is in PREGS.
5714 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5716 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5717 to deal with those addresses.
5718 * addresses.h: New file.
5719 * caller-save.c: Include "addresses.h".
5720 (init_caller_save): Use new base_reg_class function.
5721 * rtl-factoring.c: Include "addresses.h".
5722 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5723 * recog.c: Include "addresses.h".
5724 (preprocess_constraints): Use new base_reg_class function.
5725 * regrename.c: Include "addresses.h".
5726 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5727 functions. Keep track of a new var INDEX_CODE to compute valid
5729 (replace_oldest_value_addr): Likewise.
5730 (replace_oldest_value_mem): Use base_reg_class.
5731 * reload.c: Include "addresses.h".
5732 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5733 (find_reloads): Use new base_reg_class function.
5734 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5735 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5736 all callers and prototype changed.
5737 * reload1.c: Include "addresses.h".
5738 (maybe_fix_stack_asms): Use base_reg_class.
5739 * regclass.c: Include "addresses.h".
5740 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5741 (init_reg_autoinc): Use new base_reg_class function.
5742 (record_reg_classes): Likewise.
5743 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5744 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5745 Use new args to compute necessary class.
5747 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5748 regrename.o, rtl-factoring.o): Update dependencies.
5749 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5750 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5751 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5752 REG_OK_FOR_INDEX_P): Delete documentation.
5754 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5756 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5757 from V7 to V9 for Solaris 7 and above.
5759 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5761 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5762 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5763 argument pointers may not alias any other storage.
5764 * common.opt: Define option -fargument-noalias-anything.
5765 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5766 alias semantics is specified by flag_argument_noalias > 2.
5768 2006-03-20 Jeff Law <law@redhat.com>
5770 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5771 (pass_phi_only_cprop): Declare.
5772 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5774 * tree-ssa-dom.c (degenerate_phi_result): New function.
5775 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5776 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5777 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5778 (eliminate_degenerate_phis): Likewise.
5779 (pass_phi_only_cprop): New pass descriptor.
5780 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5781 support code. Callers updated.
5782 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5783 (store_copy_prop): Likewise.
5784 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5786 2006-03-20 Jason Merrill <jason@redhat.com>
5789 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5790 (push_visibility, pop_visibility): Likewise.
5791 * c-pragma.h: Declare them.
5793 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5795 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5797 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5798 parameter and use get_ebb_head_tail.
5799 (sh_md_init_global): Adjust uses of find_regmode_weight.
5801 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5803 * function.h (struct function) <x_tail_recursion_reentry>:
5804 Rename to x_stack_check_probe_note.
5805 (tail_recursion_reentry): Rename to stack_check_probe_note.
5806 * function.c: Replace tail_recursion_reentry with
5807 stack_check_probe_note everywhere.
5808 (expand_function_start): Only emit a note for
5809 stack_check_probe_note with -fstack-protect.
5810 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5812 * emit-rtl.c (remove_unnecessary_notes): Remove.
5813 (pass_remove_unnecessary_notes): Remove.
5814 * rtl.h (remove_unnecessary_notes): Remove prototype.
5815 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5816 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5817 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5819 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5822 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5823 (valid_in_set): Handle ARRAY_REF.
5824 Change "if min_variant or VH" to asserts.
5825 (create_component_ref_by_pieces): Handle ARRAY_REF.
5826 (create_expression_by_pieces): Likewise.
5827 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5829 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5831 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5832 is operand of switch, not str[0].
5834 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5836 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5837 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5839 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5841 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5842 end of insn_extra_address_constraint declaration.
5844 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5846 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5847 (no-sum-in-toc): Same.
5848 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5850 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5851 NO_FP_IN_TOC for -fPIC instead of mask.
5853 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5854 (BOOT_LDFLAGS): Delete.
5856 * config/rs6000/t-aix52: Same.
5858 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5859 (stmsi[345678]_power): New.
5861 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5863 * config/ia64/ia64.opt: Add empty line to end of file.
5865 2006-03-17 Richard Guenther <rguenther@suse.de>
5868 * builtins.c (get_pointer_alignment): For component style references
5869 adjust alignment to the component type alignment. Make sure
5870 to adjust alignment for component access of constants.
5872 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5874 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5877 2006-03-17 Paul Brook <paul@codesourcery.com>
5879 * doc/install.texi: Docuemnt --with-mode.
5880 * config.gcc: Add --with-mode for arm*-*-*.
5881 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5883 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5885 * sh.c (max_labelno_before_reorg): New variable.
5886 (sh_reorg): Initialize it.
5887 (find_barrier): Check max_labelno_before_reorg before using
5888 label_to_alignment. Take length of explicit alignment insns
5889 into account. When seeing a UNSPECV_CONST_END, return it.
5891 * sh.c (fixup_mova): Set mode of affected label to QImode.
5892 (untangle_mova): New function.
5893 (find_barrier): Use it. Check mode of label before decrementing
5895 (sh_reorg): Likewise.
5896 Set mode of all insns back to VOIDmode.
5898 * sh.c (MOVA_LABELREF): New macro.
5899 (mova_p, fixup_mova, sh_reorg): Use it.
5900 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5901 ADDR_DIFF_VEC matches mova.
5903 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5905 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5906 with ATTRIBUTE_UNUSED.
5908 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5910 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5911 pointer, instead of assuming it is possible to derive the
5912 correct args size from a call insn.
5914 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5916 * rtl.h (CONST_INT_P): Define.
5917 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5918 instead of GET_CODE(x) == CONST_INT.
5919 (vax_rtx_costs): Likewise.
5920 (vax_output_int_move): Likewise.
5921 (vax_output_int_add): Likewise.
5922 (legitimate_constant_address_p): Likewise.
5923 (index_term_p): Likewise.
5924 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5925 * config/vax/vax.md (and<mode>3): Likewise.
5926 (ashrsi3): Likewise.
5928 (movstricthi): Likewise.
5929 (movstrictqi): Likewise.
5930 (rotrsi3): Likewise.
5931 (five unnamed insns): Likewise.
5933 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5935 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5936 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5937 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5938 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5939 Pass to ASM_OUTPUT_DWARF_OFFSET.
5940 * dwarf2out.c (debug_frame_section): New.
5941 (output_call_frame_info): Use debug_frame_section. Pass it to
5942 dw2_asm_output_offset.
5943 (output_die): Pass appropriate section to dw2_asm_output_offset.
5944 (output_compilation_unit_header): Likewise.
5945 (output_pubnames): Likewise.
5946 (output_aranges): Likewise.
5947 (enum dw_val_class): Break dw_val_class_lbl_offset into
5948 dw_val_class_lineptr and dw_val_class_macptr.
5949 (add_AT_lbl_offset): Delete.
5950 (add_AT_lineptr): New.
5951 (add_AT_macptr): New.
5952 (AT_lbl): Expect a lineptr or macptr.
5953 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5954 (attr_checksum): Likewise.
5955 (same_dw_val_p): Likewise.
5956 (size_of_die): Likewise.
5957 (value_format): Likewise.
5958 (output_die): Likewise.
5959 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5961 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5962 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5963 * config/darwin-protos.h (darwin_file_start): New.
5964 (darwin_asm_output_dwarf_offset): New.
5965 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5966 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5968 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5969 if not EH section; simplify.
5970 (darwin_file_start): New.
5971 (darwin_asm_output_dwarf_offset): New.
5972 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5974 (DEBUG_INFO_SECTION): Likewise.
5975 (DEBUG_ABBREV_SECTION): Likewise.
5976 (DEBUG_ARANGES_SECTION): Likewise.
5977 (DEBUG_MACINFO_SECTION): Likewise.
5978 (DEBUG_LINE_SECTION): Likewise.
5979 (DEBUG_LOC_SECTION): Likewise.
5980 (DEBUG_PUBNAMES_SECTION): Likewise.
5981 (DEBUG_STR_SECTION): Likewise.
5982 (DEBUG_RANGES_SECTION): Likewise.
5983 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5984 (ASM_OUTPUT_DWARF_OFFSET): New.
5986 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5988 * config.gcc (tm_defines): Always add to previous value rather
5991 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5993 * config/mips/predicates.md (splittable_const_int_operand): New,
5994 split from move_operand.
5995 (splittable_symbolic_operand): New.
5996 (move_operand): Add commentary. Use splittable_const_int_operand.
5997 Inline mips_atomic_symbolic_constant_p.
5998 * config/mips/mips.md: Add combine splitters for handling moves
5999 of splittable_const_int_operands and splittable_symbolic_operands.
6000 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6001 (mips_split_symbol): Declare.
6002 (mips_move_integer): Declare.
6003 * config/mips/mips.c (mips_split_p): Make global.
6004 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6005 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6006 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6007 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6008 (mips_offset_within_object_p): Handle block symbols.
6009 (mips_atomic_symbolic_constant_p): Delete.
6010 (mips_cannot_force_const_mem): Return false for constants that
6011 mips_legitimize_move can handle.
6012 (mips_use_blocks_for_constant_p): New function.
6013 (mips_split_symbol): Make global.
6014 (mips_move_integer): Likewise. Add a temporary register argument.
6015 (mips_legitimize_const_move): Use splittable_const_int_operand and
6016 splittable_symbolic_operand.
6017 (mips_use_anchors_for_symbol_p): New function.
6018 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6019 (mips_split_p): Declare.
6021 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6023 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6024 (mips*-*-linux*): Likewise.
6026 2006-03-16 Roger Sayle <roger@eyesopen.com>
6027 Daniel Speyer <dspeyer@wam.umd.edu>
6030 * tree-dump.c (dump_real): New function.
6031 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6032 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6033 (tree-dump.o): Add $(REAL_H) to the dependencies.
6035 2006-03-16 Roger Sayle <roger@eyesopen.com>
6038 * real.c (real_from_string): If the mantissa is zero, don't bother
6039 parsing the exponent as the result should always be zero.
6041 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6043 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6045 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6047 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6048 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6049 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6050 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6051 ia64_sched_finish_global): New static functions to implement
6052 hooks from gcc_target.sched.
6053 (spec_check_no, max_uid, pending_data_specs): New static variables.
6054 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6055 ia64_spec_check_src_p): New static functions.
6056 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6057 (TARGET_SCHED_ADJUST_COST): Removed.
6058 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6059 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6060 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6061 TARGET_SCHED_GEN_CHECK,
6062 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6063 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6064 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6065 Fixed to handle speculation checks.
6066 (rtx_needs_barrier): Fixed to handle speculative loads and
6068 (ia64_variable_issue): Added code to count speculative loads and their
6070 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6072 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6074 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6076 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6077 (ia64_reorg): Reset stops_p to NULL after it is freed.
6078 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6079 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6080 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6082 (data_speculative, control_speculative, check_load): New attributes.
6083 (mov<mode>_advanced, mov<mode>_speculative,
6084 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6085 zero_extend<mode>di2_speculative,
6086 zero_extend<mode>di2_speculative_advanced): New patterns for
6087 data and control speculative loads.
6088 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6090 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6091 New pattern for data and control speculation checks.
6092 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6093 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6094 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6095 Auxiliary definitions for the patterns.
6096 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6097 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6099 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6101 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6102 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6103 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6104 New resource constraints.
6105 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6107 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6108 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6109 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6110 msched-in-control-spec, msched-ldc, msched-control-ldc,
6111 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6112 msched-prefer-non-control-spec-insns,
6113 msched-count-spec-in-critical-path): New flags to tune speculative
6115 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6116 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6117 msched-in-control-spec, msched-ldc, msched-control-ldc,
6118 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6119 msched-prefer-non-control-spec-insns,
6120 msched-count-spec-in-critical-path): Document new flags.
6122 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6124 * target.h (struct spec_info_def): New opaque declaration.
6125 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6126 speculate_insn, needs_block_p, gen_check,
6127 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6128 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6129 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6130 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6131 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6132 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6134 (TARGET_SCHED): Use new macros.
6135 * rtl.h (copy_DEPS_LIST_list): New prototype.
6136 * sched-int.h (struct sched_info): Change signature of new_ready field,
6137 adjust all initializations. New fields: add_remove_insn,
6138 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6139 region_head_or_leaf_p.
6140 (struct spec_info_def): New structure declaration.
6141 (spec_info_t): New typedef.
6142 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6143 recovery_block, orig_pat.
6144 (glat_start, glat_end): New variables declaraions.
6145 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6147 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6148 DETACH_LIFE_INFO, USE_GLAT.
6149 (enum SPEC_SCHED_FLAGS): New enumeration.
6150 (NOTE_NOTE_BB_P): New macro.
6151 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6152 attach_life_info, debug_spec_status, check_reg_live): New functions.
6153 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6154 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6156 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6157 * ddg.c (get_block_head_tail): Adjust all uses.
6158 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6159 (sms_sched_info): Initialize new fields.
6160 (contributes_to_priority): Removed.
6161 * haifa-sched.c (params.h): New include.
6162 (get_block_head_tail): Adjust all uses.
6163 (ISSUE_POINTS): New macro.
6164 (glat_start, glat_end): New global variables.
6165 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6166 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6167 old_last_basic_block, before_recovery, current_sched_info_var,
6168 rgn_n_insns, luid): New static variables.
6169 (insn_cost1): New function. Move logic from insn_cost to here.
6170 (find_insn_reg_weight1): New function. Move logic from
6171 find_insn_reg_weight to here.
6172 (reemit_notes, move_insn, max_issue): Change signature.
6173 (move_insn1): Removed.
6174 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6175 extend_bb): New static functions to support extension of scheduler's
6177 (generate_recovery_code, process_insn_depend_be_in_spec,
6178 begin_speculative_block, add_to_speculative_block,
6179 init_before_recovery, create_recovery_block, create_check_block_twin,
6180 fix_recovery_deps): New static functions to support
6181 generation of recovery code.
6182 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6183 restore_bb_notes, move_block_after_check, move_succs): New static
6184 functions to support ebb scheduling.
6185 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6186 functions to support handling of register live information.
6187 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6188 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6189 add_jump_dependencies): New static functions.
6190 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6191 consistancy checking.
6192 (debug_spec_status): New function to call from debugger.
6193 (priority): Added code to handle speculation checks.
6194 (rank_for_schedule): Added code to distinguish speculative instructions.
6195 (schedule_insn): Added code to handle speculation checks.
6196 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6197 Fixed to handle ebbs.
6198 (move_insn): Added code to handle ebb scheduling.
6199 (max_issue): Added code to use ISSUE_POINTS of instructions.
6200 (choose_ready): Added code to choose between speculative and
6201 non-speculative instructions.
6202 (schedule_block): Added code to handle ebb scheduling and scheduling of
6203 speculative instructions.
6204 (sched_init): Initialize new variables.
6205 (sched_finish): Free new variables. Print statistics.
6206 (try_ready): Added code to handle speculative instructions.
6207 * lists.c (copy_DEPS_LIST_list): New function.
6208 * sched-deps.c (extend_dependency_caches): New function. Move logic
6209 from create_dependency_caches to here.
6210 (get_dep_weak, ds_merge): Make global.
6211 * genattr.c (main): Code to output prototype for
6212 dfa_clear_single_insn_cache.
6213 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6214 (output_dfa_clean_insn_cache_func): Code to output
6215 dfa_clear_single_insn_cache function.
6216 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6218 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6220 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6221 New static variables.
6222 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6223 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6225 (ebb_sched_info): Initialize new fields.
6226 (get_block_head_tail): Adjust all uses.
6227 (compute_jump_reg_dependencies): Fixed to use glat_start.
6228 (schedule_ebb): Code to remove unreachable last block.
6229 (schedule_ebbs): Added code to update register live information.
6230 * sched-rgn.c (region_sched_info): Initialize new fields.
6231 (get_block_head_tail): Adjust all uses.
6232 (last_was_jump): Removed. Adjust users.
6233 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6234 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6235 Implement new hooks.
6236 (check_dead_notes1): New static function.
6237 (struct region): New fields: dont_calc_deps, has_real_ebb.
6238 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6239 (BB_TO_BLOCK): Fixed to handle EBBs.
6240 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6241 (ebb_head): New static variable.
6242 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6243 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6245 (compute_dom_prob_ps): New assertion.
6246 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6247 global_live_at_start.
6248 (init_ready_list): New assertions.
6249 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6250 (new_ready): Add support for BEGIN_CONTROL speculation.
6251 (schedule_insns): Fixed code that updates register live information
6253 (schedule_region): Fixed to handle EBBs.
6254 (init_regions): Use extend_regions and check_dead_notes1.
6255 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6256 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6257 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6258 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6259 TARGET_SCHED_GEN_CHECK,
6260 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6261 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6262 * doc/invoke.texi (max-sched-insn-conflict-delay,
6263 sched-spec-prob-cutoff): Document.
6265 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6267 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6268 inter_tick, queue_index.
6269 (struct sched_info): Change signature of init_ready_list field.
6270 Adjust all initializations.
6271 (RESOLVED_DEPS): New access macro.
6272 (ready_add): Remove prototype.
6273 (try_ready): Add prototype.
6274 * sched-rgn.c (init_ready_list): Use try_ready.
6275 (schedule_region): Initialize
6276 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6277 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6278 (init_ready_list): Use try_ready.
6279 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6280 * lists.c (remove_list_elem): Remove `static'.
6281 (remove_free_INSN_LIST_elem): New function.
6282 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6283 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6284 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6286 (readyp): New variable.
6287 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6288 change_queue_index, resolve_dep): New static functions.
6289 (try_ready): New function. Adjust callers in sched-rgn.c and
6290 sched-ebb.c to use it instead of ready_add.
6291 (clock_var): Move at the begining of file.
6292 (rank_for_schedule): Fix typo.
6293 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6294 (ready_lastpos): Enforce assertion.
6295 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6297 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6298 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6299 (queue_to_ready): Use free_INSN_LIST_list.
6300 (early_queue_to_ready): Fix typo.
6301 (schedule_block): Init readyp. Move init_ready_list call after the
6302 initialization of clock_var. Fix error in rejecting insn by
6303 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6304 that previously corrected INSN_TICKs. Add code for handling
6306 (set_priorities): Fix typo.
6307 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6308 Clarify comment and code that keeps current_sched_info->next_tail
6311 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6313 * sched-rgn.c (extend_rgns): New static function.
6314 (find_rgns): Use it.
6315 (gather_region_statistics, print_region_statistics): New static
6317 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6318 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6320 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6321 Andrey Belevantsev <abel@ispras.ru>
6323 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6324 * lists.c (unused_deps_list): New variable.
6325 (free_list): Add assertions to verify the proper distinguishing
6326 between INSN_LISTs and DEPS_LISTs.
6327 (find_list_elem, remove_list_elem, remove_list_node): New static
6329 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6330 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6331 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6332 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6334 (free_INSN_LIST_node): Likewise.
6335 * modulo-sched.c (current_sched_info): Initialize flags field.
6336 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6337 * rtl.def (DEPS_LIST): Define.
6338 * rtl.h: Declare new functions from lists.c.
6339 * sched-deps.c (spec_dependency_cache): New static variable.
6340 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6341 (add_dependence): Change return type to void. Move the logic to ...
6342 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6343 (delete_all_dependences): Add comment about forward_dependency_cache.
6344 Handle spec_dependency_cache. Handle DEPS_LISTs.
6345 (fixup_sched_groups): Clarify the change of priority of output
6346 and anti dependencies.
6347 (sched_analyze_2): Adjust add_dependence calls to create data
6348 speculative dependence.
6349 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6350 Adjust all callers. Handle DEPS_LISTS.
6351 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6352 presence of speculation.
6353 (init_dependency_caches, free_dependency_caches):
6354 Handle spec_dependency_cache.
6355 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6356 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6357 New static functions.
6358 (add_or_update_back_dep, add_or_update_back_forw_dep,
6359 add_back_forw_dep, delete_back_forw_dep): New functions.
6360 * sched-int.h (ds_t, dw_t): New typedefs.
6361 (struct sched_info): Add new field flags.
6362 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6363 Prototype new sched-deps.c functions.
6364 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6365 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6366 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6367 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6368 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6369 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6371 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6373 * sched-rgn.c (current_sched_info): Initialize flags field.
6374 (schedule_insns): Initialize current_sched_info before the sched_init
6376 * sched-ebb.c (current_sched_info): Initialize flags field.
6377 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6378 Call add_or_update_back_dep instead of add_dependence.
6379 Create control speculative dependencies.
6380 (schedule_insns): Initialize current_sched_info before the sched_init
6383 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6385 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6387 (sh_fallback_frame_state): Likewise.
6389 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6391 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6392 Do switch on default_use_cxa_atexit.
6393 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6394 * config/darwin-crt3.o: New.
6395 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6396 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6397 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6399 * config/rs6000/t-darwin: Move crt2.o building to here.
6400 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6401 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6404 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6406 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6407 from '! xxx' to '!xxx' for coding-style conformance.
6408 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6409 (EXTRA_CONSTRAINT): Likewise.
6410 * config/vax/vax.md (four unnamed insns): Likewise.
6412 2006-03-15 Paul Brook <paul@codesourcery.com>
6414 * config/arm/arm.c (minipool_pad): New.
6415 (add_minipool_forward_ref): Include pool alignment padding in address
6417 (push_minipool_fix): Set minipool_pad.
6418 (minipool_pad): Ditto.
6420 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6422 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6423 instead of GET_CODE() == MEM and REG_P() instead of
6425 (print_operand_address): Likewise.
6426 (vax_address_cost): Likewise.
6427 (vax_rtx_costs): Likewise.
6428 (vax_notice_update_cc): Likewise.
6429 (vax_output_int_add): Likewise.
6430 (INDEX_REGISTER_P): Likewise.
6431 (BASE_REGISTER_P): Likewise.
6432 (nonindexed_address_p): Likewise.
6433 (vax_mode_dependent_address_p): Likewise.
6434 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6435 (PRINT_OPERAND): Likewise.
6436 * config/vax/vax.md (ashlsi3): Likewise.
6437 (ashlsi3): Likewise.
6438 (some more unnamed insns): Likewise.
6440 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6442 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6443 iterator-style macro.
6444 (mark_control_dependent_edges_necessary): Update the use of
6445 EXECUTE_IF_CONTROL_DEPENDENT.
6447 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6449 * config/sh/predicates.md (cache_address_operand): Special.
6450 (ua_address_operand): Likewise.
6452 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6454 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6456 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6458 2006-03-15 Andreas Schwab <schwab@suse.de>
6460 * gensupport.c (identify_predicable_attribute): Don't free p_false
6461 when it is still in use.
6463 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6465 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6466 the default setting here.
6468 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6470 * tree-pass.h (pass_cfg): Remove.
6471 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6472 * passes.c (pass_cfg): Don't run it.
6474 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6476 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6477 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6479 (stack_regs_mentioned): Update the uses of
6480 stack_regs_mentioned_data. Don't access the array beyond its
6482 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6483 Don't include gt-reg-stack.h.
6485 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6486 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6488 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6491 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6494 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6496 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6498 2006-03-14 Richard Guenther <rguenther@suse.de>
6500 PR tree-optimization/26672
6501 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6504 2006-03-14 Richard Guenther <rguenther@suse.de>
6506 PR tree-optimization/26667
6507 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6508 node for the callees. Always allow inlining if it will shrink
6511 2006-03-14 Richard Guenther <rguenther@suse.de>
6514 * builtins.c (get_pointer_alignment): Prefer alignment
6515 information from decls over that from types.
6517 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6520 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6522 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6524 * config/rs6000/rs6000.opt (mdlmzb): New option.
6525 (msched-prolog, msched-epilog): Use Var not Mask.
6526 * doc/invoke.texi (-mdlmzb): Document.
6527 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6529 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6530 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6532 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6534 PR rtl-optimization/25739
6535 * bt-load.c (augment_live_range): Free tos pointer.
6537 * gensupport.c (identify_predicable_attribute): Free
6539 * gcov.c (create_file_names): Free name pointer.
6541 2006-03-13 Roger Sayle <roger@eyesopen.com>
6544 * stmt.c (emit_case_nodes): Handle the case where the index is a
6545 CONST_INT, where the comparison mode is specified by the index type.
6547 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6549 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6552 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6554 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6555 (*branch_fp_inverted): Likewise.
6557 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6560 * omp-low.c (expand_omp_for_generic): Mark istart0
6561 and iend0 as addressable.
6563 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6565 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6567 2006-03-13 Jeff Law <law@redhat.com>
6569 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6570 virtual operands are interesting.
6571 (vrp_visit_stmt): Corresponding changes.
6573 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6575 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6577 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6578 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6579 * config/bfin/crti.S: Use it instead of __PIC__.
6580 * config/bfin/crtn.S: Likewise.
6582 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6583 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6585 Lose 'G' modifier for call operand.
6586 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6587 recognize 'G' modifier.
6589 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6592 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6593 * stmt.c (expand_case): Likewise.
6595 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6597 PR rtl-optimization/26254
6598 * loop-invariant.c (seq_insns_valid_p): New function.
6599 (move_invariant_reg): Only emit new code if it is valid.
6601 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6603 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6605 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6606 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6607 (commit_one_edge_insertion): Do not look for loop notes.
6609 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6611 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6612 flag_test_coverage out of loop.
6614 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6616 * final.c (shorten_branches): Remove outdated comment, and turn
6617 the if branch that guards it to continue.
6619 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6621 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6622 * cfgloop.h (struct loop): Remove unused fields.
6624 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6626 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6627 (-dL, -fdump-rtl-loop2): Update the dump file names
6629 * doc/invoke.texi: Update dump file names.
6631 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6633 * predict.c (estimate_probability): Remove.
6634 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6635 * basic-block.h (estimate_probability): Remove prototype.
6636 * passes.c (finish_optimization_passes): Dump branch prediction or
6637 profiling heuristics to the .profile tree dump.
6638 (init_optimization_passes): Unqueue pass_branch_prob.
6640 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6642 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6644 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6645 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6647 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6649 * function.h (frame_offset_overflow): Declare.
6650 * function.c (frame_offset_overflow): New function.
6651 (assign_stack_local_1): Call it to detect that the offset overflows.
6652 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6654 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6656 * config/sh/sh.c: Include alloc-pool.h.
6657 (label_ref_list_pool): New alloc pool.
6658 (label_ref_list_t): New type for lists of labels.
6659 (struct pool_node): Make wend a label_ref_list_t.
6660 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6662 (dump_table): Likewise.
6663 (sh_reorg): Set up the alloc pool before using add_constant and
6664 dump_table, and destroy it when finishing.
6666 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6668 * config/mips/mips.c: Remove redundant comment.
6670 2006-03-10 Jason Merrill <jason@redhat.com>
6673 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6674 the target was declared 'register'.
6676 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6678 * genpreds.c (write_insn_constraint_len): Change definition of
6679 insn_constraint_len to return size_t to match the declaration.
6681 2006-03-10 DJ Delorie <dj@redhat.com>
6683 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6685 (m32c_expand_insv): Fix test for an AND mask.
6687 2006-03-10 Richard Guenther <rguenther@suse.de>
6690 * builtins.c (get_pointer_alignment): Handle component
6691 references for field alignment.
6693 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6695 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6696 when building with libgloss.
6697 (sh*elf): Implement --without-fp option.
6698 (sh64-superh-linux*): Don't multilib.
6700 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6702 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6704 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6706 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6707 Set it when one of the replacement functions returned true.
6708 Return TODO_cleanup_cfg if cfgchanged is true.
6709 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6711 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6713 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6714 instead of gen_lowpart.
6716 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6718 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6720 (mips_output_order_conditional_branch): Declare.
6721 * config/mips/mips.h (MIPS_BRANCH): New macro.
6722 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6723 for the comparison. Use gen_condjump.
6724 (mips_output_conditional_branch): Rework interface to take the
6725 asm templates for a direct branch and the inverse of a direct branch.
6726 (mips_output_order_conditional_branch): New function.
6727 (mips_builtin_branch_and_move): New function.
6728 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6729 branch condition. Use gen_single_cc as the condition for
6730 __builtin_mips_upper_* or __builtin_mips_lower_*.
6731 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6732 Use VOIDmode for the branch condition.
6733 * config/mips/predicates.md (order_operator): New predicate.
6734 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6735 (branch_fp): Rename to...
6736 (*branch_fp): ...this. Remove mode from comparison operator.
6737 Use new mips_output_conditional_branch interface.
6738 (branch_fp_inverted): Rename to...
6739 (*branch_fp_inverted): ...this and update as for *branch_fp.
6740 (*branch_zero<mode>): Rename to...
6741 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6742 Use mips_output_order_conditional_branch. Only accept ordered
6744 (*branch_zero<mode>_inverted): Rename to...
6745 (*branch_order<mode>_inverted): ...this and update as for
6746 *branch_order<mode>.
6747 (*branch_equality<mode>): Accept zero as the second operand to
6748 the equality operator. Use the new mips_output_conditional_branch
6750 (*branch_equality<mode>_inverted): Likewise.
6751 (condjump): New expander.
6752 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6754 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6755 (bc1any2t, bc1any2f): Likewise.
6756 (single_cc): New expander.
6757 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6759 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6761 * doc/md.texi: Update documentation of MIPS constraints.
6762 * config/mips/constraints.md: New file.
6763 * config/mips/mips.md: Include it.
6764 * config/mips/mips.c (mips_char_to_class): Delete.
6765 (override_options): Don't initialize mips_char_to_class.
6766 * config/mips/mips.h (mips_char_to_class): Delete.
6767 (REG_CLASS_FROM_LETTER): Delete.
6768 (CONST_OK_FOR_LETTER_P): Delete.
6769 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6770 (EXTRA_CONSTRAINT_Y): Delete.
6771 (EXTRA_CONSTRAINT_STR): Delete.
6772 (CONSTRAINT_LEN): Delete.
6773 (EXTRA_MEMORY_CONSTRAINT): Delete.
6775 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6777 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6778 original fn's eh regions.
6780 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6782 * fold-const.c (build_range_check): Make sure to use a valid type to
6783 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6786 (range_predecessor): New static function.
6787 (range_successor): Likewise.
6788 (merge_ranges): Use them to compute predecessors and successors of
6791 2006-03-09 Roger Sayle <roger@eyesopen.com>
6794 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6795 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6797 2006-03-08 DJ Delorie <dj@redhat.com>
6799 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6800 (addpsi3): Expand to include memory operands. Remove
6801 reload-specific splits.
6802 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6803 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6804 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6805 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6806 (shift1_qi, shift1_hi, insv): New.
6807 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6808 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6809 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6811 * config/m32c/m32c-protos.h: Update as needed.
6812 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6813 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6814 Fail for unrecognized R* constraints.
6815 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6816 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6817 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6819 (m32c_init_libfuncs): New.
6820 (m32c_legitimate_address_p): Add debug wrapper.
6821 (m32c_rtx_costs): New.
6822 (m32c_address_cost): New.
6823 (conversions): Add 'B' prefix.
6824 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6825 operands, or word regnames for QI operands. 'B' prints bit
6827 (m32c_expand_setmemhi): New.
6828 (m32c_expand_movmemhi): New.
6829 (m32c_expand_movstr): New.
6830 (m32c_expand_cmpstr): New.
6831 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6832 (m32c_expand_neg_mulpsi3): Handle non-ints.
6833 (m32c_cmp_flg_0): New.
6834 (m32c_expand_movcc): New.
6835 (m32c_expand_insv): New.
6836 (m32c_scc_pattern): New.
6837 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6838 a0/a1 out of SIregs.
6839 (STORE_FLAG_VALUE): New.
6840 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6843 * config/m32c/mov.md: Make constraints more liberal.
6844 (zero_extendqihi2): Optimize r0/r1 case.
6845 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6846 * config/m32c/predicates.md (m32c_any_operand): New.
6847 (m32c_nonimmediate_operand): New.
6848 (m32c_hl_operand): New.
6849 (m32c_r3_operand): New.
6852 (memsym_operand): New.
6853 (memimmed_operand): New.
6854 (a_qi_operand): New.
6855 (m32c_eqne_operator): New.
6856 (m32c_1bit8_operand): New.
6857 (m32c_1bit16_operand): New.
6858 (m32c_1mask8_operand): New.
6859 (m32c_1mask16_operand): New.
6860 * config/m32c/blkmov.md: New file.
6861 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6863 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6865 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6866 unsigned to fix signed/unsigned comparison issue in
6867 DWARF2_FRAME_REG_OUT.
6868 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6869 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6871 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6872 of ptr into the ENABLE_CHECKING section.
6874 2006-03-08 Jeff Law <law@redhat.com>
6876 * tree-vrp.c (infer_value_range): Only count pointer uses
6877 and dereferences if -fdelete-null-pointer-checks is enabled.
6879 * tree-vrp.c (find_assert_locations): Infer value ranges for
6880 single use pointers, but do not create ASSERT_EXPRs for them.
6881 When a non-null range is inferred for a pointer, backwards
6882 propagate that range to other equivalent pointers through the
6885 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6888 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6889 language hook targets.
6890 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6891 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6892 if language hook targets were missing.
6894 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6896 * tree-ssa-opfinalize.h: Removed.
6897 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6899 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6900 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6901 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6902 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6903 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6904 finalize_ssa_v_must_def_ops): New.
6906 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6908 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6911 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6913 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6915 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6916 addresses with offsets; reorganize.
6918 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6919 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6920 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6922 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6925 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6927 2006-03-08 Ben Elliston <bje@au.ibm.com>
6929 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6931 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6934 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6937 2006-03-07 Richard Guenther <rguenther@suse.de>
6939 PR tree-optimization/26587
6940 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6942 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6944 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6946 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6948 * hooks.c (hook_bool_mode_rtx_true): New function.
6949 * hooks.h (hook_bool_mode_rtx_true): Declare.
6950 * toplev.c (compile_file): Call output_shared_constant_pool.
6951 * varasm.c (shared_constant_pool): New variable.
6952 (assemble_start_function, assemble_end_function): Remove arguments
6953 from call to output_constant_pool.
6954 (create_constant_pool): New function, split out from...
6955 (init_varasm_status): ...here.
6956 (force_const_mem): Choose between the shared and per-function constant
6957 pools. Set current_function_uses_const_pool when reusing old entries
6958 as well as when creating new ones.
6959 (mark_constant): Ignore data argument.
6960 (mark_constants): Remove pool argument.
6961 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6962 to decide whether the function uses a constant pool.
6963 (output_constant_pool_contents): New function, split out from...
6964 (output_constant_pool): ...here.
6965 (output_shared_constant_pool): New function.
6966 (init_varasm_once): Initialize shared_constant_pool.
6967 * output.h (output_constant_pool): Delete.
6968 (output_shared_constant_pool): Declare.
6969 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6970 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6972 2006-03-06 Nick Clifton <nickc@redhat.com>
6974 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6975 flag_strength_reduce.
6977 2006-03-06 Ben Elliston <bje@au.ibm.com>
6979 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6980 x86_64-*-linux* configurations.
6982 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6983 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6985 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6987 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6989 * basic-block.h: Remove the extern for
6990 rediscover_loops_after_threading.
6992 * cfgloop.c (cancel_loop): Make it static.
6993 * cfgloop.h: Remove the prototype for cancel_loop.
6995 * flow.c (recompute_reg_usage): Make it static.
6996 * rtl.h: Remove the prototype for recompute_reg_usage.
6998 * function.c (use_return_register): Make it static.
6999 * function.h: Remove the prototype.
7001 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7003 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7005 * recog.h: Remove the prototype for
7006 validate_change_maybe_volatile.
7008 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7010 * rtlanal.c (replace_reg): Remove.
7011 * rtl.h: Remove the prototype for replace_reg.
7013 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7015 * regclass.c (reg_scan_update): Remove.
7016 (reg_scan_mark_refs): Remove the last argument.
7017 * rtl.h: Remove the prototype for reg_scan_update.
7019 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7021 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7022 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7023 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7024 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7025 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7026 loop-invariant.c, omp-low.c, opts.c, passes.c,
7027 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7028 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7029 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7030 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7031 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7032 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7034 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7036 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7037 * dwarf2out.h: Remove the prototype for
7038 dwarf2out_add_library_unit_info.
7040 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7042 * tree.c (add_var_to_bind_expr): Remove.
7043 * tree.h: Remove the prototype for add_var_to_bind_expr.
7045 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7047 * regclass.c (n_non_fixed_regs): Remove.
7048 (init_reg_sets_1, globalize_reg): Remove all uses of
7050 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7052 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7054 * rtlanal.c (insns_safe_to_move_p): Remove.
7055 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7057 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7059 * expmed.c (expand_mult_add): Remove.
7060 * expr.h: Remove the prototype for expand_mult_add.
7062 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7064 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7065 and REG_SAVED_VAL_EXP constants.
7066 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7067 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7068 Handle regs stored by value.
7069 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7070 (execute_cfa_program): Handle DW_CFA_val_offset,
7071 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7072 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7073 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7074 (uw_install_context_1): Handle target regs stored by value.
7076 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7078 * tree-sra.c (tree_sra): Return todoflags;
7079 (generate_one_element): Set TODO_update_smt_usage if needed.
7080 (pass_sra): Remove TODO_update_smt_usage.
7081 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7083 (tree_ssa_forward_propagate_single_use_vars): Return
7084 TODO_update_smt_usage if we need to update SMT usage.
7085 (pass_forwprop): Remove TODO_update_smt_usage.
7087 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7089 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7090 (correct_use_link): Remove reference to get_stmt_operands.
7091 (update_stmt_operands): Likewise.
7092 (get_modify_expr_operands): New function factored out of
7093 parse_ssa_operands and get_expr_operands.
7094 Try to create V_MUST_DEFs for LHS by default.
7095 (get_expr_operands) <case MODIFY_EXPR>: Call
7096 get_modify_expr_operands.
7097 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7098 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7099 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7100 get_modify_expr_operands.
7102 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7104 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7105 * tree-flow.h: Remove the prototype for
7106 referenced_var_lookup_if_exists.
7108 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7110 PR rtl-optimization/26345
7112 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7114 2006-03-03 Roger Sayle <roger@eyesopen.com>
7116 PR tree-optimization/26524
7117 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7118 fold_convert to create a constant of the appropriate type.
7120 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7122 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7123 SYMBOL_REF_IN_BLOCK_P.
7124 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7125 of SYMBOL_FLAG_IN_BLOCK.
7126 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7127 instead of SYMBOL_REF_IN_BLOCK_P.
7128 * explow.c (use_anchored_address): Likewise.
7129 * rtl.c (rtx_size): Likewise.
7130 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7131 instead of SYMBOL_FLAG_IN_BLOCK.
7132 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7133 SYMBOL_REF_IN_BLOCK_P.
7134 (assemble_variable): Likewise.
7135 (output_constant_def_contents): Likewise.
7136 (output_constant_pool): Likewise.
7137 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7138 instead of SYMBOL_FLAG_IN_BLOCK.
7139 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7140 SYMBOL_REF_IN_BLOCK_P.
7141 (SYMBOL_REF_BLOCK): Likewise.
7142 (SYMBOL_REF_OFFSET): Likewise.
7143 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7144 SYMBOL_REF_IN_BLOCK_P.
7145 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7146 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7147 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7148 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7150 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7152 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7154 2006-03-02 Roger Sayle <roger@eyesopen.com>
7156 * simplify-rtx.c (simplify_unary_operation): When simplifying
7157 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7158 that we perform the right shift in the appropriate mode, and
7159 then extend or truncate the result to requested mode.
7161 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7163 * gengtype.c (main): Handle double_int type.
7164 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7165 * double-int.c: New file.
7166 * double-int.h: New file.
7167 * system.h: Include doubleint.h.
7168 * Makefile.in (SYSTEM_H): Include double-int.h.
7169 (double-int.o): Add.
7171 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7174 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7177 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7179 * tree-vrp.c (remove_range_assertions): Do not update statements
7182 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7184 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7186 * gcse.c (rest_of_handle_gcse): Ditto.
7187 * except.c (gate_handle_eh): Ditto.
7188 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7189 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7191 2006-03-02 Eric Christopher <echristo@apple.com>
7193 * config/i386/i386.c (machopic_output_stub): Add indirection to
7196 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7200 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7202 Sun Niagara specific optimizations.
7203 * config.gcc: Recognize niagara as target.
7204 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7205 (TARGET_CPU_niagara): Define.
7206 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7207 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7208 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7209 (ASM_CPU_SPEC): Likewise.
7210 (PROCESSOR_NIAGARA): New enum entry.
7211 (REGISTER_MOVE_COST): Handle Niagara.
7212 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7213 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7214 (sparc_override_options): Recognize "niagara", set appropriate
7215 default MASK_* values for it, and align functions to 32-bytes
7216 by default just like ULTRASPARC/ULTRASPARC3.
7217 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7218 (sparc64_initialize_trampoline): Likewise.
7219 (sparc_use_sched_lookahead): Use zero for niagara.
7220 (sparc_issue_rate): Use one for niagara.
7221 * config/sparc/niagara.md: New file.
7222 * config/sparc/sparc.md: Include it.
7223 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7224 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7225 when default cpu is niagara.
7226 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7227 (ASM_CPU_SPEC): Likewise.
7228 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7229 when default cpu is niagara.
7230 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7231 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7232 just like v9/ultrasparc/ultrasparc3.
7233 * doc/invoke.texi: Add documentation for "niagara" and improve
7234 existing documentation for ultrasparc variants.
7236 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7238 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7240 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7242 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7243 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7244 and say that only one is needed.
7245 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7246 * target.h (have_switchable_bss_sections): New hook.
7247 * explow.c (use_anchored_address): Check that the symbol is in a block.
7248 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7249 (bss_noswitch_section): New variables.
7250 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7251 (get_noswitch_section): New function.
7252 (get_block_for_section): Allow SECT to be null.
7253 (unlikely_text_section_p): Use SECTION_STYLE.
7254 (bss_initializer_p): New function.
7255 (get_variable_section): Move earlier in file. Take a new argument,
7256 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7257 Return one of the new *_sections in such cases.
7258 (get_block_for_decl): New function, extracting some logic from
7259 use_blocks_for_decl_p.
7260 (change_symbol_section): Remove in favor of...
7261 (change_symbol_block): ...this new function.
7262 (use_blocks_for_decl_p): Remove checks now performed by
7264 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7265 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7266 (emit_local, emit_bss, emit_common): ...these new functions.
7267 Return true if the alignment was honored.
7268 (emit_tls_common): New function.
7269 (asm_emit_uninitialised): Delete.
7270 (assemble_variable_noswitch): New function, split out from...
7271 (assemble_variable): ...here. Don't make decisions about common
7272 variables here. Globalize all public decls that go into non-common
7273 sections. Check whether SYMBOL_REF_BLOCK is null.
7274 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7275 (output_constant_pool): Likewise.
7276 (init_varasm_once): Initialize the new section variables.
7277 (have_global_bss_p): New function.
7278 (categorize_decl_for_section): Use bss_initializer_p.
7279 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7280 (place_block_symbol): Assert that the symbol must be in a block.
7281 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7282 (TARGET_INITIALIZER): Include it.
7283 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7284 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7285 (SECTION_MACH_DEP): Bump by two.
7286 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7287 (unnamed_section): Mention SECTION_UNNAMED in comment.
7288 (named_section): Likewise SECTION_NAMED.
7289 (noswitch_section_callback): New type.
7290 (noswitch_section): New structure.
7291 (section): Add a noswitch_section alternative.
7292 (SECTION_STYLE): New macro.
7293 (tls_comm_section, comm_section, lcomm_section): Declare.
7294 (bss_noswitch_section, have_global_bss_p): Declare.
7295 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7296 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7298 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7299 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7302 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7304 * tree-vrp.c (execute_vrp): Return value.
7305 * regrename.c (rest_of_handle_regrename): Ditto.
7306 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7307 * tree-complex.c (tree_lower_complex): Ditto.
7308 (tree_lower_complex_O0): Ditto.
7309 * tracer.c (rest_of_handle_tracer): Ditto.
7310 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7311 * postreload.c (rest_of_handle_postreload): Ditto.
7312 * tree-tailcall.c (execute_tail_recursion): Ditto.
7313 (execute_tail_calls): Ditto.
7314 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7315 * tree.h (init_function_for_compilation): Ditto.
7316 * ipa-cp.c (ipcp_driver): Ditto.
7317 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7318 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7319 * final.c (compute_alignments): Ditto.
7320 (rest_of_handle_final): Ditto.
7321 (rest_of_handle_shorten_branches): Ditto.
7322 (rest_of_clean_state): Ditto.
7323 * omp-low.c (execute_expand_omp): Ditto.
7324 (execute_lower_omp): Ditto.
7325 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7326 * ipa-reference.c (static_execute): Ditto.
7327 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7328 * reorg.c (rest_of_handle_delay_slots): Ditto.
7329 (rest_of_handle_machine_reorg): Ditto.
7330 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7331 * flow.c (recompute_reg_usage): Ditto.
7332 (rest_of_handle_remove_death_notes): Ditto.
7333 (rest_of_handle_life): Ditto.
7334 (rest_of_handle_flow2): Ditto.
7335 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7336 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7337 (do_ssa_store_ccp): Ditto.
7338 (execute_fold_all_builtins): Ditto.
7339 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7340 * modulo-sched.c (rest_of_handle_sms): Ditto.
7341 * ipa-pure-const.c (static_execute): Ditto.
7342 * cse.c (rest_of_handle_cse): Ditto.
7343 (rest_of_handle_cse2): Ditto.
7344 * web.c (rest_of_handle_web): Ditto.
7345 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7346 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7347 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7348 * tree-nrv.c (tree_nrv): Ditto.
7349 (execute_return_slot_opt): Ditto.
7350 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7351 (create_structure_vars): Ditto.
7352 * loop-init.c (rtl_loop_init): Ditto.
7353 (rtl_loop_done): Ditto.
7354 (rtl_move_loop_invariants): Ditto.
7355 (rtl_unswitch): Ditto.
7356 (rtl_unroll_and_peel_loops): Ditto.
7357 (rtl_doloop): Ditto.
7358 * gimple-low.c (lower_function_body): Ditto.
7359 (mark_used_blocks): Ditto.
7360 * tree-ssa-sink.c (execute_sink_code): Ditto.
7361 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7362 (cgraph_early_inlining): Ditto.
7363 * global.c (rest_of_handle_global_alloc): Ditto.
7364 * jump.c (cleanup_barriers): Ditto.
7365 (purge_line_number_notes): Ditto.
7366 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7367 (rest_of_handle_if_after_reload): Ditto.
7368 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7369 (tree_ssa_loop_im): Ditto.
7370 (tree_ssa_loop_unswitch): Ditto.
7371 (tree_vectorize): Ditto.
7372 (tree_linear_transform): Ditto.
7373 (tree_ssa_loop_ivcanon): Ditto.
7374 (tree_ssa_empty_loop): Ditto.
7375 (tree_ssa_loop_bounds): Ditto.
7376 (tree_complete_unroll): Ditto.
7377 (tree_ssa_loop_prefetch): Ditto.
7378 (tree_ssa_loop_ivopts): Ditto.
7379 (tree_ssa_loop_done): Ditto.
7380 * predict.c (tree_estimate_probability): Ditto.
7381 * recog.c (split_all_insns_noflow): Ditto.
7382 (rest_of_handle_peephole2): Ditto.
7383 (rest_of_handle_split_all_insns): Ditto.
7384 * tree-eh.c (lower_eh_constructs): Ditto.
7385 * regmove.c (rest_of_handle_regmove): Ditto.
7386 (rest_of_handle_stack_adjustments): Ditto.
7387 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7388 * function.c (instantiate_virtual_regs): Ditto.
7389 (init_function_for_compilation): Ditto.
7390 (rest_of_handle_check_leaf_regs): Ditto.
7391 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7392 (rest_of_handle_gcse): Ditto.
7393 * ipa-type-escape.c (type_escape_execute): Ditto.
7394 * alias.c (rest_of_handle_cfg): Ditto.
7395 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7396 * profile.c (rest_of_handle_branch_prob): Ditto.
7397 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7398 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7399 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7400 * tree-dfa.c (find_referenced_vars): Ditto.
7401 * except.c (set_nothrow_function_flags): Ditto.
7402 (convert_to_eh_region_ranges): Ditto.
7403 (rest_of_handle_eh): Ditto.
7404 * emit-rtl.c (unshare_all_rtl): Ditto.
7405 (remove_unnecessary_notes): Ditto.
7406 * except.h (set_nothrow_function_flags): Ditto.
7407 (convert_to_eh_region_ranges): Ditto.
7408 * cfgexpand.c (tree_expand_cfg): Ditto.
7409 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7410 * tree-ssa-pre.c (do_pre): Ditto.
7411 (execute_fre): Ditto.
7412 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7413 (rest_of_handle_jump2): Ditto.
7414 * tree-sra.c (tree_sra): Ditto.
7415 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7416 (execute_mudflap_function_decls): Ditto.
7417 * tree-ssa-copy.c (do_copy_prop): Ditto.
7418 (do_store_copy_prop): Ditto.
7419 * ipa-prop.h (ipcp_driver): Ditto.
7420 * cfglayout.c (insn_locators_initialize): Ditto.
7421 * tree-ssa-forwprop.c
7422 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7423 * cfglayout.h (insn_locators_initialize): Ditto.
7424 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7425 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7426 (execute_late_warn_uninitialized): Ditto.
7427 * rtl.h (cleanup_barriers): Ditto.
7428 (split_all_insns_noflow): Ditto.
7429 (purge_line_number_notes): Ditto.
7430 (unshare_all_rtl): Ditto.
7431 (remove_unnecessary_notes): Ditto.
7432 (recompute_reg_usage): Ditto.
7433 (variable_tracking_main): Ditto.
7434 * integrate.c (emit_initial_value_sets): Ditto.
7435 * integrate.h (emit_initial_value_sets): Ditto.
7436 * tree-optimize.c (execute_free_datastructures): Ditto
7437 (execute_free_cfg_annotations): Ditto.
7438 (execute_fixup_cfg): Ditto.
7439 (execute_cleanup_cfg_pre_ipa): Ditto.
7440 (execute_cleanup_cfg_post_optimizing): Ditto.
7441 (execute_init_datastructures): Ditto.
7442 * tree-object-size.c (compute_object_sizes): Ditto.
7443 * combine.c (rest_of_handle_combine): Ditto.
7444 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7445 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7446 (rest_of_handle_reorder_blocks): Ditto.
7447 (rest_of_handle_partition_blocks): Ditto.
7448 * var-tracking.c (variable_tracking_main): Ditto.
7449 * tree-profile.c (tree_profiling): Ditto.
7450 * tree-vect-generic.c (expand_vector_operations): Ditto.
7451 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7452 * sched-rgn.c (rest_of_handle_sched): Ditto.
7453 (rest_of_handle_sched2): Ditto.
7454 * basic-block.h (free_bb_insn): Ditto.
7455 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7456 * tree-cfg.c (execute_build_cfg): Ditto.
7457 (remove_useless_stmts): Ditto.
7458 (split_critical_edges): Ditto.
7459 (execute_warn_function_return): Ditto.
7460 (execute_warn_function_noreturn): Ditto.
7461 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7462 * cfgrtl.c (free_bb_for_insn): Ditto.
7463 * passes.c (execute_one_pass): Run additional
7464 todos returned by execute function.
7465 * tree-pass.h (struct tree_opt_pass): Make execute
7468 2006-03-02 Richard Guenther <rguenther@suse.de>
7470 * tree-ssa-alias.c (find_used_portions): Consider taking
7471 the address as making the variable not write-only.
7473 2006-03-02 Nick Clifton <nickc@redhat.com>
7475 * config.gcc (default_use_cxa_atexit): Extend the description of
7476 this configure variable. Set its default value to "yes" for
7477 Linux, NetBSD and ELF targets on the assumption that they will
7478 use C libraries with the __cxa_atexit function.
7480 2006-03-02 Ben Elliston <bje@au.ibm.com>
7482 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7483 parameter as unused to suppress a build warning.
7485 2006-03-02 Ben Elliston <bje@au.ibm.com>
7487 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7490 2006-03-01 Roger Sayle <roger@eyesopen.com>
7493 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7494 declared name, the weak reference name, and the typeof name.
7495 (__gthrw): Avoid expanding the declared name suffix.
7496 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7498 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7500 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7502 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7503 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7504 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7505 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7506 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7507 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7508 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7509 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7510 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7511 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7512 (DW_END_default, DW_END_big, DW_END_little): New.
7513 (DW_END_lo_user, DW_END_hi_user): Define.
7514 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7515 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7516 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7519 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7521 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7523 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7525 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7527 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7529 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7530 to 'symbol_mem_tag'.
7532 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7535 2006-03-01 Roger Sayle <roger@eyesopen.com>
7537 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7539 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7542 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7543 MACHO_DYNAMIC_NO_PIC_P.
7544 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7546 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7549 * config/darwin-protos.h (darwin_asm_output_anchor):
7551 * config/darwin-sections.def (cstring_section):
7552 Add SECTION_MERGE to the flags.
7553 (literal4_section): Likewise.
7554 (literal8_section): Likewise.
7555 (objc_selector_refs_section): Likewise.
7556 (objc_cls_refs_section): Likewise.
7557 * config/darwin.c (darwin_asm_output_anchor): New
7559 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7561 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7563 Fix PR tree-optimization/26443
7564 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7565 to todo and PROP_tmt_usage to properties_destroyed.
7566 * tree-ssa-ccp.c (pass_ccp): Ditto.
7567 (pass_store_ccp): Ditto.
7568 * tree-ssa-dom.c (pass_dominator): Ditto.
7570 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7572 * tree-ssa-operands.c: Cleanup whitespace.
7573 (get_asm_expr_operands): Move before first invocation.
7574 (get_indirect_ref_operands): Likewise.
7575 (get_tmr_operands): Likewise.
7576 (get_call_expr_operands): Likewise.
7577 (append_def): Likewise.
7578 (append_use): Likewise.
7579 (append_v_may_def): Likewise.
7580 (append_v_must_def): Likewise.
7581 (add_call_clobber_ops): Likewise.
7582 (add_call_read_ops): Likewise.
7583 (add_stmt_operand): Likewise.
7584 (add_virtual_operand): Likewise.
7585 (build_ssa_operands): Likewise.
7587 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7592 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7593 with a call expr to ...
7594 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7596 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7598 * tree-vrp.c (extract_range_from_assert): Remove special
7599 handling for types with super-types.
7601 2006-03-01 Ben Elliston <bje@au.ibm.com>
7603 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7604 and powerpc64-*-linux* configurations.
7605 * config/t-dfprules: New file.
7607 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7608 Compile dfp-bit.c from the source directory using -DWIDTH and
7609 $DFP_CFLAGS to control the compilation of that file, rather than
7610 generating width-specific versions in the build directory.
7611 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7612 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7614 2006-02-28 Zack Weinberg <zackw@panix.com>
7616 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7619 2006-02-28 Eric Christopher <echristo@apple.com>
7621 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7622 Set up IN_LIBGCC definition of TARGET_64BIT.
7623 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7625 2006-02-28 Roger Sayle <roger@eyesopen.com>
7628 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7629 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7630 cases via the construction of "expr != 0".
7632 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7634 * alias.c (alias_invariant, alias_invariant_size): Remove.
7635 (record_base_value): Remove.
7636 (memrefs_conflict_p): Don't look at alias_invariant.
7637 (end_alias_analysis): Don't free it.
7638 * alias.h (record_base_value): Remove prototype.
7640 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7641 Adam Nemet <anemet@caviumnetworks.com>
7643 * rtl.h (truncated_to_mode): Declare it.
7644 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7645 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7646 (RTL_HOOKS_INITIALIZER): Include it.
7647 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7648 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7649 reg_truncated_to_mode.
7650 * rtlanal.c (truncated_to_mode): Define it.
7651 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7653 2006-02-28 Jeff Law <law@redhat.com>
7655 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7656 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7657 the range allowed by TYPE_PRECISION.
7659 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7661 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7663 PR tree-optimization/26419
7664 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7667 2006-02-27 Zack Weinberg <zackw@panix.com>
7669 * doc/md.texi: Fix typo in previous change.
7671 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7675 2006-02-27 Zack Weinberg <zackw@panix.com>
7677 * rtl.def (define_constraint, define_register_constraint)
7678 (define_memory_constraint, define_address_constraint): New MD forms.
7679 * gensupport.c (process_rtx): Put define_constraint etc on the
7681 * genpreds.c (process_define_predicate): Adjust comment. Validate
7682 the name, and call validate_exp to validate the expression.
7683 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7684 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7685 all callers changed.
7686 (validate_exp, needs_variable, struct constraint_data)
7687 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7688 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7689 (const_dbl_constraints, constraint_max_namelen)
7690 (have_register_constraints, have_memory_constraints)
7691 (have_address_constraints, have_address_constraints)
7692 (have_extra_constraints, have_const_int_constraints)
7693 (have_const_dbl_constraints, mangle, add_constraint)
7694 (process_define_constraint, process_define_register_constraint)
7695 (write_enum_constraint_num, write_lookup_constraint)
7696 (write_insn_constraint_len, write_regclass_for_constraint)
7697 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7698 (write_insn_extra_memory_constraint)
7699 (write_insn_extra_address_constraint)
7700 (write_satisfies_constraint_fns): New.
7701 (write_tm_preds_h): If we have new-style constraint definitions,
7702 prototype the functions generated from them, and define the
7703 old constraint interface (still used by generic code) in terms of
7705 (write_insn_preds_c): If we have new-style constraint definitions,
7706 generate all relevant functions from those definitions.
7707 (main): Handle define_constraint etc.
7708 * genoutput.c (struct constraint_data, indep_constraints)
7709 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7710 (mdep_constraint_len): New data structures and functions, defined
7711 #ifdef USE_MD_CONSTRAINTS.
7712 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7713 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7714 use new logic to validate operand constraints against constraint
7716 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7718 * defaults.h: If none of the old-style constraint macros are
7719 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7720 old-style macros; and poison REG_CLASS_FROM_LETTER,
7721 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7723 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7724 * doc/md.texi: Document new constraint-definition mechanism and the
7725 C interface it provides. Remove references to old mechanism
7726 elsewhere in the document.
7727 (Machine Constraints): Use pathnames relative to gcc directory,
7728 i.e. config/ARCH/FILE. Change i386 section to refer to
7729 config/i386/predicates.md; update that section to match docstrings.
7730 * doc/tm.texi: Move all documentation of the old constraint-
7731 definition macros to their own section, clearly mark as obsolete.
7733 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7734 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7736 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7737 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7738 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7740 (splits and peepholes): Use satisfies_constraint_*.
7741 * config/i386/i386.c (memory_address_length)
7742 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7744 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7746 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7747 scalar operation to be put back into the loop.
7749 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7752 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7753 (extract_cie_info): Handle S flag in augmentation string.
7754 (execute_cfa_program): If context->signal_frame, execute also
7755 fs->pc == context->ra instructions.
7756 (uw_frame_state_for): If context->signal_frame, don't subtract one
7757 from context->ra to find FDE.
7758 (uw_update_context_1): Set context->signal_frame to
7760 (_Unwind_GetIPInfo): New function.
7761 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7762 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7764 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7765 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7766 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7767 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7768 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7769 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7770 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7771 x86_64_fallback_frame_state): Set fs->signal_frame.
7772 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7773 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7774 (frob_update_context): Likewise. Workaround missing S flag in
7775 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7776 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7777 Remove the psw_addr + 1 hack.
7779 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7781 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7782 with aggregates here.
7783 (find_func_aliases): Remove code for &<aggregate> from here.
7785 2006-02-26 Roger Sayle <roger@eyesopen.com>
7787 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7788 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7789 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7792 2006-02-26 Roger Sayle <roger@eyesopen.com>
7795 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7797 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7799 * opts.c (decode_options): Do not handle flag_strength_reduce.
7800 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7801 and OPT_fstrength_reduce.
7802 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7803 flag_prefetch_loop_arrays for being nonzero.
7804 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7806 (fprefetch-loop-arrays-rtl): Removed.
7807 (flag_prefetch_loop_arrays): Do not specify the value.
7809 * doc/passes.texi: Update documentation of loop optimizer
7811 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7812 -frerun-loop-opt): Remove.
7814 2006-02-26 Richard Guenther <rguenther@suse.de>
7816 PR tree-optimization/26421
7817 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7818 in function calls that are ADDR_EXPRs as using the whole structure.
7820 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7822 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7823 * tree-pass.h (pass_loop_optimize): Remove.
7824 * passes.c (pass_loop_optimize): Never run it.
7825 * toplev.c (backend_init): Don't call init_loop.
7826 * opts.c (flag_loop_optimize_set): Remove.
7827 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7828 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7829 the old RTL loop optimizer when profiling enabled.
7830 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7831 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7832 pre-headers for the sake of the old RTL loop optimizer.
7833 * Makefile.in: Remove all references to loop.o.
7835 * doc/invoke.texi: Remove all references to -floop-optimize
7836 and -frerun-loop-opt.
7838 2006-02-26 Zack Weinberg <zackw@panix.com>
7840 * doc/md.texi (Machine Constraints): Refer to all files with paths
7841 relative to gcc directory (i.e. config/CPU/file). Add missing
7842 @table @code ... @end table to M32C subsection.
7844 2006-02-26 Roger Sayle <roger@eyesopen.com>
7846 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7848 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7850 2006-02-26 Roger Sayle <roger@eyesopen.com>
7851 James A. Morrison <phython@gcc.gnu.org>
7854 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7855 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7856 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7857 signedness of the shift operation.
7859 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7861 PR tree-optimization/26359
7862 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7864 2006-02-25 Roger Sayle <roger@eyesopen.com>
7866 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7867 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7868 as X == 0, and some symmetry related transformations.
7869 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7871 2006-02-25 Roger Sayle <roger@eyesopen.com>
7874 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7875 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7876 symmetry related transformations. Fold (X^C1) == C2 as
7879 2006-02-25 Juergen Weigert <jw@suse.de>
7880 Richard Guenther <rguenther@suse.de>
7882 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7884 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7886 * combine.c (gen_lowpart_or_truncate): Call
7887 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7889 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7891 * doc/invoke.texi: Move -fopenmp description to "Options for
7893 Remove reference to -lgomp.
7895 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7897 * doc/install.texi: Require GNU tar version 1.14.
7899 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7901 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7902 * doc/invoke.texi (C++ Dialect Options): Document
7903 -fno-use-cxa-get-exception-ptr.
7904 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7905 * configure: Regenerate.
7906 * c.opt (fuse-cxa-get-exception-ptr): New.
7907 * c-opts.c (c_common_handle_option): Handle
7908 OPT_fuse_cxa_get_exception_ptr.
7909 * c-common.c (flag_use_cxa_atexit): Update documentation.
7910 (flag_use_cxa_get_exception_ptr): New.
7911 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7912 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7914 (C_COMMON_OVERRIDE_OPTIONS): New.
7916 2006-02-24 Roger Sayle <roger@eyesopen.com>
7919 * combine.c (try_combine): Explicitly check whether GET_CODE is
7920 a SET or a CLOBBER, instead on checking that it isn't a USE.
7922 2006-02-24 Roger Sayle <roger@eyesopen.com>
7924 * fold-const.c (fold_comparison): New subroutine of fold_binary
7925 containing transformations common to both the equality and
7926 ordering relational operators, factored out of fold_binary.
7927 (fold_binary): Separate out the equality operators (EQ_EXPR
7928 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7929 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7930 transformations common to both.
7931 (fold_div_compare): Fix latent bugs in the previously unreachable
7932 LT_EXPR and GE_EXPR cases.
7934 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7936 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7937 decl libname for clog to __clog on AIX.
7939 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7941 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7944 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7945 output traceback table for thunks. Localise rs6000_stack_info call.
7947 2006-02-23 Roger Sayle <roger@eyesopen.com>
7948 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7950 * gthr-posix.h (__gthrw): Fix typo in comment.
7952 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7954 * doc/cpp.texi (Character sets): Document that we do support
7955 input files to be in any character set.
7957 2006-02-23 Jeff Law <law@redhat.com>
7959 * tree.h (PHI_ARG_NONZERO): Remove.
7960 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7961 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7962 node to the new node.
7964 PR tree-optimization/26425
7965 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7966 min/max, then assume its varying.
7968 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7970 PR rtl-optimization/26316
7971 * rtlanal.c (enum may_trap_p_flags): New.
7972 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7973 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7974 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7975 (may_trap_after_code_motion_p): New function.
7976 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7977 (find_invariant_insn): Use may_trap_after_code_motion_p.
7978 * rtl.h (may_trap_after_code_motion_p): Declare.
7980 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7982 * emit-rtl.c (immed_double_const): Cleanup.
7984 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7986 Fix PR tree-optimization/26376
7987 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7990 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7993 * gimplify.c (omp_add_variable): Guard variable size decl test with
7994 DECL_SIZE (decl) check.
7996 2006-02-23 Richard Guenther <rguenther@suse.de>
7999 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8000 like aggregate types.
8002 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8004 * configure.ac: Add --with{,out}-long-double-128 configure option.
8005 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8006 * configure: Rebuilt.
8007 * config.in: Rebuilt.
8008 * doc/install.texi (Options specification): Document
8009 --with-long-double-128.
8011 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8012 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8013 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8014 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8016 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8018 * config/s390/s390.c (override_options): Handle
8019 TARGET_DEFAULT_LONG_DOUBLE_128.
8021 * config/alpha/alpha.c (override_options): Handle
8022 TARGET_DEFAULT_LONG_DOUBLE_128.
8024 * config/sparc/sparc.c (sparc_override_options): Handle
8025 TARGET_DEFAULT_LONG_DOUBLE_128.
8027 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8029 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8030 (real-install-headers-tar, real-install-headers-cpio)
8031 (real-install-headers-cp): New targets.
8033 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8035 * tree.h (variable_section): Delete.
8036 * varasm.c (variable_section): Delete.
8038 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8040 * install.texi: Add notes on install.texi2html.
8041 (Building in parallel): Do not use footnotes.
8043 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8046 * doc/install.texi (Configuration): Document --disable-libgomp.
8048 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8050 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8052 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8054 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8055 (vec_extractv2df_0_sse): New.
8057 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8059 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8060 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8061 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8062 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8063 to the result of the expression.
8064 (def_cfa_1): Adjust.
8065 (frame_pointer_cfa_offset): Rename to...
8066 (frame_pointer_fb_offset): ... this. Adjust all uses.
8067 (convert_cfa_to_loc_list): Rename to...
8068 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8069 Pass it on to build_cfa_loc.
8070 (compute_frame_pointer_to_cfa_displacement): Rename to...
8071 (compute_frame_pointer_to_fb_displacement): ... this. New
8072 offset parameter. Use it in computation.
8073 (gen_subprogram_die): Compute cfa_fb_offset with the new
8074 macro, and use it to compute the fb loc list and the
8077 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8079 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8080 replaced with register_operand.
8081 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8082 non-DREG is expensive.
8083 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8084 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8087 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8089 * doc/install.texi2html: Use set -e.
8091 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8093 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8094 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8095 * doc/invoke.texi (-fshared-data): Delete.
8096 * common.opt (fshared-data): Delete.
8097 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8098 (assemble_static_space): Remove #if 0 code.
8099 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8100 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8101 * config/cris/cris.h: Remove FIXME.
8103 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8105 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8108 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8111 * combine.c (simplify_shift_const_1): Disable nested shifts
8112 optimization for vector shifts.
8114 2006-02-20 Roger Sayle <roger@eyesopen.com>
8116 PR tree-optimization/26361
8117 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8118 of unsigned integer types.
8120 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8122 * tree-chrec.c (eq_evolutions_p): New.
8123 * tree-chrec.h (eq_evolutions_p): Declared.
8124 * tree-data-ref.c: Fix formatting.
8125 (datadep_stats, dependence_stats): New.
8127 (print_direction_vector): New.
8128 (dump_data_dependence_relation): Use print_direction_vector.
8129 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8130 (compute_subscript_distance): Static.
8131 (initialize_data_dependence_relation): Static. Get the number
8132 of loops surrounding the references from the callers, and initialize
8133 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8134 base_object_differ_p analyzers.
8135 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8136 compute_overlap_steps_for_affine_1_2,
8137 analyze_subscript_affine_affine): Count the classified dependences.
8138 Print a message when a test failed.
8139 (can_use_analyze_subscript_affine_affine): New.
8140 (analyze_siv_subscript): Compute the data dependences on symbolic
8141 scevs that verify can_use_analyze_subscript_affine_affine.
8142 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8143 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8144 Handle symbolic scevs.
8145 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8147 (subscript_dependence_tester): Moved...
8148 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8149 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8150 DDR_SIZE_VECT instead of getting it in parameter.
8151 (subscript_dependence_tester): ... here. Take as a parameter
8152 loop_nest_depth. Call build_classic_dist_vector and
8153 build_classic_dir_vector.
8154 (compute_affine_dependence): Update subscript_dependence_tester
8155 parameters. Update datadep_stats counters. Call
8156 compute_subscript_distance.
8157 (compute_self_dependence): Save the dist and dir vectors. Call
8158 compute_subscript_distance.
8159 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8160 (compute_all_dependences): Reorder parameters as they were before
8161 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8162 compute_subscript_distance. Update the use of
8163 compute_affine_dependence and initialize_data_dependence_relation.
8164 (find_data_references_in_loop): Handle COMPONENT_REF.
8165 (compute_data_dependences_for_loop): Initialize dependence_stats.
8166 Don't call build_classic_dist_vector and build_classic_dir_vector.
8167 Update the parameters of initialize_data_dependence_relation and
8168 compute_all_dependences. Print the statistics from datadep_stats.
8169 (analyze_all_data_dependences): Static. Not used until the pass for
8170 checking the data dependences is contributed.
8171 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8172 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8173 (initialize_data_dependence_relation, compute_affine_dependence,
8174 analyze_all_data_dependences, compute_subscript_distance): Removed.
8175 (print_direction_vector): New.
8176 * lambda.h (gcd): ... here.
8177 (lambda_vector_gcd): Moved here from gcd_vector.
8178 * lambda-code.c (gcd, gcd_vector): Removed.
8179 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8180 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8182 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8184 * ipa-type-escape.c: Tidy some comments and white space.
8185 * tree-ssa-operands.c: Likewise.
8187 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8190 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8191 (dump_decl_name): Do not walk the decl tree chains.
8192 * tree-pass.h (TDF_CHAIN): Remove.
8194 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8196 * Makefile.in (C): Remove
8198 (.PHONY): Remove C and PROTO
8200 2006-02-20 Roger Sayle <roger@eyesopen.com>
8203 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8204 deprecated CHAR_TYPE tree code.
8206 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8208 * configure.ac (target_list): Add install-info, dvi, html.
8209 * configure: Regenerate.
8211 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8212 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8213 treelang/Make-lang.in: Do not use double-colon rules.
8215 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8217 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8218 (TMT_USED_ALONE): New macro.
8219 * tree-pass.h (PROP_tmt_usage): New property.
8220 (TODO_update_tmt_usage): New todo.
8221 * tree-ssa-alias.c (updating_used_alone): New variable.
8222 (recalculate_used_alone): New function.
8223 (compute_may_aliases): Set updating_used_alone, call
8224 recalculate_used_alone.
8225 * tree-sra.c (pass_sra): Note that this pass destroys
8226 PROP_tmt_usage, and add TODO_update_tmt_usage.
8227 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8228 * tree-flow.h (updating_used_alone): Prototype.
8229 (recalculate_used_alone): Ditto.
8230 * passes.c (execute_todo): Add code to set updating_used_alone,
8231 and call recalculate.
8232 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8233 for clobber if used alone, and add assert to verify used_alone
8236 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8238 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8239 for non tls symbols added.
8240 (legitimize_address): Do nothing for PLUS expressions if one of the
8241 addends is a tls symbol reference.
8243 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8247 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8249 * Makefile.in (BOOTSTRAPPING): New.
8250 (quickstrap): New definition if BOOTSTRAPPING=yes.
8252 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8253 * configure.ac: Substitute all_selected_languages with the languages
8254 that were configured. For all the other variables except
8255 lang_specs_files, include all the languages in the tree.
8256 * configure: Regenerate.
8258 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8259 if there is one. Run the commands to run fixincludes in the same
8262 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8263 * doc/install.texi: Document exact conventions for searching target tools.
8264 Document --with-build-time-tools. Document toplevel bootstrap. Document
8265 something more about building an Ada cross-compiler. Don't list GNU Make
8266 requirements which affect all platforms.
8268 2006-02-19 Roger Sayle <roger@eyesopen.com>
8271 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8272 only equivalent if the have both the same mode and precision.
8274 2006-02-20 Ben Elliston <bje@au.ibm.com>
8276 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8278 2006-02-19 Roger Sayle <roger@eyesopen.com>
8279 Steven Bosscher <stevenb.gcc@gmail.com>
8281 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8282 constant pool references to identify stack mode constants.
8283 * rtlanal.c (constant_pool_constant_p): New predicate to check
8284 whether operand is a floating point constant in the pool.
8285 * rtl.h (constant_pool_constant_p): Prototype here.
8286 * loop.c (scan_loop): Avoid hoisting constants from the constant
8287 pool on STACK_REGS targets.
8288 (load_mems): Likewise.
8289 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8290 loads into x87 registers expensive in terms of register pressure.
8292 2006-02-19 Roger Sayle <roger@eyesopen.com>
8294 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8295 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8297 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8299 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8300 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8302 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8304 * doc/invoke.texi: Document -fipa-pta.
8305 * common.opt: Add ipa-pta option.
8306 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8307 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8308 (do_ds_constraint): Ditto.
8309 (get_constraint_for): Only add to referenced_vars if
8310 referenced_vars exists.
8311 (insert_into_field_list): Rewrite to do this unsorted.
8312 (insert_into_field_list_sorted): Rename old insert_into_field_list
8314 (create_function_info_for): Use insert_into_field_list_sorted.
8315 (create_variable_info_for): Rewrite so it uses unsorted version,
8316 since the field list is sorted.
8317 (intra_create_variable_infos): Only add to referenced_vars if
8318 referenced_vars exists.
8319 (ipa_pta_execute): Init heapvars, and delete when done.
8320 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8322 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8324 * doc/install.texi: Add missing `@samp'.
8326 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8328 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8331 2006-02-18 Mark Wielaard <mark@klomp.org>
8333 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8334 who added new 4.1 features, bug fixes and integration support.
8336 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8339 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8342 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8344 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8345 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8346 (copy_insn_1): Likewise. Don't copy each field individually.
8348 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8350 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8351 * rtl.c (rtx_size): Rename variable to...
8352 (rtx_code_size): ...this.
8353 (rtx_size): New function.
8354 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8355 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8357 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8358 * rtl.h (rtx_code_size): New variable.
8359 (rtx_size): Change from a variable to a function.
8360 (RTX_SIZE): Rename to...
8361 (RTX_CODE_SIZE): ...this.
8364 PR tree-optimization/17106
8365 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8366 (Anchored Addresses): New section.
8367 * doc/invoke.texi (-fsection-anchors): Document.
8368 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8369 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8370 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8371 * hooks.c (hook_bool_mode_rtx_false): New function.
8372 * hooks.h (hook_bool_mode_rtx_false): Declare.
8373 * gengtype.c (create_optional_field): New function.
8374 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8375 SYMBOL_REF_IN_BLOCK_P is true.
8376 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8377 (min_anchor_offset, max_anchor_offset): Likewise.
8378 (use_anchors_for_symbol_p): New hook.
8379 * toplev.c (compile_file): Call output_object_blocks.
8380 (target_supports_section_anchors_p): New function.
8381 (process_options): Check that -fsection-anchors is only used on
8382 targets that support it and when -funit-at-a-time is in effect.
8383 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8384 if the decl doesn't have one.
8385 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8386 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8387 of force_const_mem through use_anchored_address.
8388 (expand_expr_constant): New function.
8389 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8390 calling expand_expr for INDIRECT_REF.
8391 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8392 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8393 * expr.h (use_anchored_address): Declare.
8394 * loop-unroll.c: Don't declare rtx vectors here.
8395 * explow.c: Include output.h.
8396 (validize_mem): Call use_anchored_address.
8397 (use_anchored_address): New function.
8398 * common.opt (-fsection-anchors): New switch.
8399 * varasm.c (object_block_htab, anchor_labelno): New variables.
8400 (hash_section, object_block_entry_eq, object_block_entry_hash)
8401 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8402 (use_blocks_for_decl_p, change_symbol_section): New functions.
8403 (get_variable_section): New function, split out from assemble_variable.
8404 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8405 use_blocks_for_decl_p say so. Use change_symbol_section if the
8406 symbol has already been created.
8407 (assemble_variable_contents): New function, split out from...
8408 (assemble_variable): ...here. Don't output any code for
8409 block symbols; just pass them to place_block_symbol.
8410 Use get_variable_section and assemble_variable_contents.
8411 (get_constant_alignment, get_constant_section, get_constant_size): New
8412 functions, split from output_constant_def_contents.
8413 (build_constant_desc): Create a block symbol if use_object_blocks_p
8414 says so. Or into SYMBOL_REF_FLAGS.
8415 (assemble_constant_contents): New function, split from...
8416 (output_constant_def_contents): ...here. Don't output any code
8417 for block symbols; just pass them to place_section_symbol.
8418 Use get_constant_section and get_constant_alignment.
8419 (force_const_mem): Create a block symbol if use_object_blocks_p and
8420 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8421 (output_constant_pool_1): Add an explicit alignment argument.
8422 Don't switch sections here.
8423 (output_constant_pool): Adjust call to output_constant_pool_1.
8424 Switch sections here instead. Don't output anything for block symbols;
8425 just pass them to place_block_symbol.
8426 (init_varasm_once): Initialize object_block_htab.
8427 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8428 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8429 (place_block_symbol, get_section_anchor, output_object_block)
8430 (output_object_block_htab, output_object_blocks): New functions.
8431 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8432 (TARGET_ASM_OUT): Include it.
8433 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8434 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8435 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8436 (TARGET_INITIALIZER): Include them.
8437 * rtl.c (rtl_check_failed_block_symbol): New function.
8438 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8439 (block_symbol, object_block): New structures.
8440 (rtx_def): Add a block_symbol field to the union.
8441 (BLOCK_SYMBOL_CHECK): New macro.
8442 (rtl_check_failed_block_symbol): Declare.
8443 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8444 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8445 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8446 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8447 * output.h (output_section_symbols): Declare.
8448 (object_block): Name structure.
8449 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8450 (default_use_anchors_for_symbol_p): Declare.
8451 * Makefile.in (RTL_BASE_H): Add vec.h.
8452 (explow.o): Depend on output.h.
8453 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8454 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8455 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8456 (rs6000_use_blocks_for_constant_p): New function.
8458 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8460 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8462 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8465 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8468 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8470 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8474 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8477 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8478 instead of DECL_REGISTER.
8480 2006-02-18 Olivier Hainque <hainque@adacore.com>
8483 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8485 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8488 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8489 * opth-gen.awk: Handle Var and InverseMask together.
8490 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8491 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8492 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8493 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8495 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8496 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8497 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8498 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8499 LINUX_DYNAMIC_LINKER): Define.
8500 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8501 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8503 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8504 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8505 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8507 (TARGET_C99_FUNCTIONS): Don't define.
8508 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8509 GLIBC_DYNAMIC_LINKER.
8510 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8511 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8512 GLIBC_DYNAMIC_LINKER64): Define.
8513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8514 LINUX_DYNAMIC_LINKER64.
8515 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8516 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8517 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8518 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8519 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8521 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8522 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8523 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8524 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8525 and LINUX_DYNAMIC_LINKER32.
8526 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8528 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8530 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8532 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8533 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8534 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8535 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8536 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8537 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8538 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8539 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8540 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8541 LINUX_DYNAMIC_LINKER): Define.
8542 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8543 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8544 GLIBC_DYNAMIC_LINKER64): Define.
8545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8546 LINUX_DYNAMIC_LINKER64.
8547 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8548 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8549 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8550 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8551 LINUX_DYNAMIC_LINKER): Define.
8552 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8553 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8554 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8555 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8556 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8557 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8558 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8559 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8560 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8561 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8563 * doc/invoke.texi (-muclibc): Remove caveat about supported
8566 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8568 * doc/cpp.texi (__TIMESTAMP__): Document.
8570 2006-02-17 Roger Sayle <roger@eyesopen.com>
8573 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8574 C is one less than the width of X (and related transformations).
8575 * simplify-rtx.c (simplify_unary_operation_1): Transform
8576 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8577 depending on STORE_FLAG_VALUE, were C is one less then the
8580 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8582 Fix PR tree-optimization/26341
8583 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8584 about NAME_MEMORY_TAG's.
8586 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8589 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8590 with hardware float support, and software float support. Add fcpy
8591 alternative to hardware patterns. Add alternatives to copy between
8592 general and floating-point registers to the 32-bit pattern.
8593 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8594 secondary reload to load a QI or HI mode constant into a floating
8596 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8597 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8599 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8602 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8604 (load_macho_picbase_di): Likewise.
8606 2006-02-16 Jeff Law <law@redhat.com>
8608 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8609 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8610 (ssa_name_nonzero_p): Likewise.
8611 (get_value_range): Return NULL if VRP is not running.
8612 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8613 VRP routines do not discover a range.
8614 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8615 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8616 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8617 (tree_expr_nonnegative_p): Similarly.
8618 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8619 (restore_nonzero_vars_to_original_value): Remove.
8620 (unsafe_associative_fp_binop): Remove.
8621 (tree_ssa_dominator_optimize): Remove initialization and
8622 finalization of nonzero_vars and nonzero_vars_stack.
8623 (dom_opt_initialize_block): No longer push marker on
8625 (dom_opt_finalize_block): No longer call
8626 restore_nonzero_vars_to_original_value.
8627 (record_equivalences_from_phis): No longer look for
8628 nonzero PHI arguments.
8629 (cprop_into_successor_phis): No longer propagate nonzero
8630 property into PHI arguments. Lose unused argument. Caller
8632 (record_equivalences_from_stmt): No longer record nonzero
8633 values for SSA_NAMEs.
8634 (lookup_avail_expr): No longer use nonzero_vars.
8636 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8637 for sizetype when sizetype is unsigned.
8639 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8641 PR rtl-optimization/25603
8642 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8643 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8644 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8645 with new meaning of SETS.
8647 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8652 * config/linux.opt: New file.
8653 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8654 LINUX_DYNAMIC_LINKER): Define.
8655 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8656 * config.gcc (*-*-linux*): Define extra_options.
8657 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8658 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8659 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8660 GLIBC_DYNAMIC_LINKER.
8661 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8662 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8663 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8665 * doc/invoke.texi (GNU/Linux Options): New section.
8667 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8669 * config/sparc/sparc.md (setjmp): Rewrite.
8670 (setjmp_32): Delete.
8671 (setjmp_64): Likewise.
8673 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8675 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8678 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8680 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8683 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8685 PR rtl-optimization/26296
8686 * Makefile.in (loop-invariant.c): Add except.h dependency.
8687 * loop-invariant.c: Include except.h.
8688 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8690 2005-02-16 Paul Brook <paul@codesourcery.com>
8692 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8695 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8697 PR rtl-optimization/25636
8698 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8699 when deciding whether an insn is an initializing insn.
8701 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8703 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8704 (tree_code_size): Ditto.
8705 * tree.h (struct tree_memory_tag): Remove parent_var.
8706 (struct tree_struct_field_tag): New.
8709 (union tree_node): Add sft member.
8710 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8712 (create_sft): Add size and offset argument, set SFT_OFFSET and
8714 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8715 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8716 * tree-flow-inline.h (get_subvar_at): Update for
8717 SFT_OFFSET/SFT_SIZE.
8718 (var_can_have_subvars): Ditto.
8719 (overlap_subvar): Ditto.
8720 * print-tree.c (print_node): Print out interesting things for
8722 * tree-flow.h (struct subvar): Remove offset and size members.
8723 * tree-ssa-operands.c (get_expr_operands): Update for
8724 get_indirect_ref_operands changes.
8725 (get_indirect_ref_operands): Call add_virtual_operand instead of
8726 add_stmt_operand. Only recurse on base var if requested.
8727 (access_can_touch_variable): New function.
8728 (add_stmt_operand): Split virtual operand handling into ...
8729 (add_virtual_operand): Here. Add offset, size, and for_clobber
8730 arguments. Prune alias sets.
8731 (add_call_clobber_ops): Call add_virtual_operand.
8733 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8736 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8738 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8739 than TREE_CODE as index into omp_clause_num_ops array.
8741 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8743 PR rtl-optimization/26184
8744 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8746 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8747 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8748 must_precede, must_follow and tobe_scheduled.
8751 * opts.c (common_handle_option): Free new_option pointer.
8752 * df-core.c (df_analyze): Free postorder pointer.
8754 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8756 * Makefile.in: Fix the examples about the use of stamps
8758 2006-02-15 Michael Matz <matz@suse.de>
8762 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8763 influenced by maximum_field_alignment or DECL_PACKED.
8764 (update_alignment_for_field): Ditto.
8765 (place_field): Ditto.
8766 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8769 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8771 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8772 (debug_flow_info): Pass it.
8773 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8774 * bb-reorder.c (reorder_basic_blocks): Likewise.
8775 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8776 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8777 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8778 * gcse.c (gcse_main, bypass_jumps): Likewise.
8779 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8780 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8781 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8782 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8783 * rtl.h (dump_flow_info): Adjust prototype.
8784 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8785 * var-tracking.c (variable_tracking_main): Likewise.
8786 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8787 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8790 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8792 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8795 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8797 PR tree-optimization/26209
8798 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8799 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8801 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8803 2006-02-14 Roger Sayle <roger@eyesopen.com>
8806 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8807 (X,Y) and the corresponding symmetry related transformations.
8808 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8809 (X,Y) and its symmetry related transformations.
8811 2006-02-14 Roger Sayle <roger@eyesopen.com>
8813 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8816 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8818 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8820 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8823 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8824 support COMDAT group.
8825 * configure: Regenerate.
8827 2006-02-14 Roger Sayle <roger@eyesopen.com>
8832 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8834 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8836 Fix PR tree-optimization/26260
8838 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8840 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8841 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8842 * tree-ssa-structalias.c (create_variable_info_for): Use
8843 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8845 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8847 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8849 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8850 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8851 of the ending condition.
8852 * tree-ssa-loop-manip.c: Include params.h.
8853 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8854 tree_unroll_loop): New functions.
8855 * tree-pass.h (pass_loop_prefetch): Declare.
8856 * loop.c (rest_of_handle_loop_optimize): Test for
8857 -fprefetch-loop-arrays-rtl.
8858 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8859 * timevar.def (TV_TREE_PREFETCH): New timevar.
8860 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8861 pass_loop_prefetch): New.
8862 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8863 (cleanup_tree_cfg_loop): Call scev_reset.
8864 * common.opt (fprefetch-loop-arrays-rtl): Add.
8865 * tree-ssa-loop-prefetch.c: New file.
8866 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8867 (new_temp_expr_table): Initialize expr_vars.
8868 (free_temp_expr_table): Cleanup expr_vars.
8869 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8870 expressions from being merged into one.
8871 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8872 (struct tree_niter_desc): Add control, bound and cmp fields.
8873 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8875 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8876 (tree-cfgcleanup.o): Add SCEV_H dependency.
8877 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8878 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8880 2006-02-14 Richard Guenther <rguenther@suse.de>
8882 PR tree-optimization/26258
8883 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8884 in PHI argument processing.
8886 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8888 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8889 new expression in the requested machine mode.
8891 2006-02-13 Roger Sayle <roger@eyesopen.com>
8893 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8894 directly, instead let do_compare_rtx_and_jump handle this for us.
8895 * expr.c (expand_expr_real_1): Likewise.
8896 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8897 before do_jump_by_parts_greater.
8898 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8899 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8901 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8903 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8905 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8907 PR rtl-optimization/26235
8908 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8909 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8912 2006-02-13 Jeff Law <law@redhat.com>
8914 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8917 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8920 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8921 twice if decl is a builtin. When trying again, call get_callee_fndecl
8922 first to verify it is still a builtin.
8924 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8926 * dwarf2out.c (base_type_die): Don't add AT_name here.
8927 (subrange_type_die): Don't add AT_name here.
8928 (modified_type_die): Rearrange code flow. Do add AT_name here.
8930 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8932 PR rtl-optimization/26247
8933 PR rtl-optimization/26248
8934 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8936 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8938 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8939 * config/fixtfdi.c: Likewise.
8940 * config/fixunstfdi.c: Likewise.
8941 * config/floatditf.c: Likewise.
8943 2006-02-13 Roger Sayle <roger@eyesopen.com>
8946 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8947 into (X,C2) if C1 is a subset of the bits of C2. Transform
8948 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8950 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8952 2006-02-13 Josh Conner <jconner@apple.com>
8955 * varasm.c (function_section): Check for section name before
8956 calling select_section on targets that define
8957 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8958 unlikely_text_section instead of hot_function_section if
8959 first_function_block_is_cold.
8961 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8964 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8966 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8968 PR rtl-optimization/26222
8969 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8970 after tree->rtl expansion.
8971 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8972 before passing it to emit_move_insn.
8974 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8976 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8978 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8979 Clarify documentation.
8980 * c-common.h (warn_write_strings): Remove.
8981 * c-common.c (warn_write_strings): Likewise.
8982 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8985 2006-02-12 Roger Sayle <roger@eyesopen.com>
8988 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8989 (do_jump_parts_zero_rtx): New function renamed from
8990 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8991 (do_jump_parts_equality_rtx): New function split out from
8992 do_jump_parts_equality. Old implementation renamed as above.
8993 Call do_jump_parts_zero_rtx if either operand is zero.
8994 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8995 do all of the heavy lifting.
8996 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8997 calling either do_jump_by_parts_greater_rtx or
8998 do_jump_by_parts_equality_rtx.
8999 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9000 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9001 moved to do_compare_rtx_and_jump, call it directly.
9002 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9003 mode argument. Call do_compare_rtx_and_jump.
9004 (emit_case_nodes): Update calls to do_jump_if_equal.
9006 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9008 PR rtl-optimization/26225
9009 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9011 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9013 PR rtl-optimization/26232
9014 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9016 2006-02-11 Jason Merrill <jason@redhat.com>
9019 * tree-inline.c (declare_return_variable): Just don't use the
9020 modify target if it's a gimple complex reg and the return slot
9023 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9025 * doc/contrib.texi: Update my entry.
9027 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9029 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9031 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9033 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9036 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9038 * doc/invoke.texi (-floop-optimize2): Removed.
9039 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9040 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9041 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9042 * common.opt (floop-optimize2): Removed.
9043 (fmove-loop-invariants): Enabled by default.
9045 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9047 * tree-if-conv.c (combine_blocks): Free the result of
9048 get_loop_exit_edges.
9050 2006-02-10 Jeff Law <law@redhat.com>
9052 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9054 PR tree-optimization/26213
9055 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9056 loop trying to follow SSA_NAME_VALUE chains.
9058 2006-02-10 Richard Guenther <rguenther@suse.de>
9060 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9061 deal with structures that end in implicitly variable sized arrays.
9063 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9065 PR rtl-optimization/24762
9066 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9069 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9071 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9072 (struct ivopts_data): Add regs_used field.
9073 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9074 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9075 instead of loop_data->regs_used;
9076 (free_loop_data): Do not free aux fields for loops.
9077 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9078 and tree_ssa_iv_optimize_finalize.
9080 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9082 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9084 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9087 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9088 computing the effective result type.
9090 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9093 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9094 (tree_overlaps_hard_reg_set): Declare.
9095 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9096 type and signature to match function type expected by walk_tree.
9097 (tree_overlaps_hard_reg_set): New function.
9098 (decl_conflicts_with_clobbers_p): Rename to:
9099 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9100 Use tree_overlaps_hard_reg_set. Changed caller.
9101 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9102 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9103 * cris.c (cris_md_asm_clobbers): Likewise.
9105 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9107 * reload1.c (emit_input_reload_insns): Delete code that tries to
9108 inherit using find_equiv_reg.
9110 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9112 * c-common.h (flag_const_strings): Don't declare.
9113 * c-common.c (flag_const_strings): Remove.
9114 * c.opt (fconst_strings): Remove.
9115 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9116 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9117 (c_common_init_options): Don't set flag_const_strings.
9118 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9120 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9122 * arm.md (tlobits_cbranch): New pattern.
9123 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9124 testing a single bit.
9126 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9129 * tree-ssa-pre.c (create_component_ref_by_pieces):
9130 Handle RETURN_DECL like VAR_DECL.
9132 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9135 * fold-const.c (fold_indirect_ref_1): Fold
9136 "*(foo *)&complexfoo" to "__real__ complexfoo"
9137 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9139 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9141 * tree-flow-inline.h (var_can_have_subvars):
9142 Volatile variables should not have subvariables.
9144 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9147 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9148 multiplying unsigned values.
9151 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9153 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9155 2006-02-08 Jason Merrill <jason@redhat.com>
9158 * tree.def: Elaborate on difference from MODIFY_EXPR.
9159 * doc/c-tree.texi (INIT_EXPR): Likewise.
9160 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9161 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9162 (gimplify_target_expr): Likewise.
9163 (gimplify_cond_expr): Remove target handling.
9164 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9165 (gimplify_expr): Clobber it here.
9166 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9167 Do return slot optimization if we have an INIT_EXPR.
9170 * tree-inline.c (declare_return_variable): Also clear
9171 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9174 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9177 * gimplify.c (gimplify_one_sizepos): Fix typo.
9179 2006-02-08 Jeff Law <law@redhat.com>
9181 PR tree-optimization/21417
9182 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9183 across a backedge if the control statement at the end of the
9184 block is data dependent on other statements in the same block.
9185 (record_temporary_equivalences_from_stmts): Remove over-conservative
9186 test for threading across backedges.
9188 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9189 control statement, handle all three special cases in the same
9190 manner as they all have the same desired solution. No longer
9191 special case edge flag updating when the post dominator is
9194 2006-02-08 Roger Sayle <roger@eyesopen.com>
9196 * tree.def (CHAR_TYPE): Remove.
9197 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9198 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9199 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9200 (gen_string_type_die): Delete unreachable function.
9202 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9203 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9204 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9205 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9206 * builtins.c (type_to_class): Likewise.
9207 * fold-const.c (fold_convert, build_range_check,
9208 merge_ranges): Likewise.
9209 * expr.c (count_type_elements): Likewise.
9210 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9211 * stor-layout.c (layout_type): Likewise.
9212 * ipa-type-escape.c (type_to_consider): Likewise.
9213 * gimplify.c (omp_firstprivatize_type_sizes,
9214 gimplify_type_sizes): Likewise.
9215 * explow.c (promote_mode): Likewise.
9216 * tree-sra.c (is_sra_scalar_type): Likewise.
9217 * varasm.c (output_constant): Likewise.
9218 * tree-inline.c (remap_type_1): Likewise.
9219 * convert.c (convert_to_pointer, convert_to_real,
9220 convert_to_integer, convert_to_complex): Likewise.
9222 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9224 * df-scan.c (df_def_record_1): A set destination may
9225 be a parallel regardless of mode.
9227 2006-02-08 Roger Sayle <roger@eyesopen.com>
9230 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9231 * config/mips/_tilib.c: Remove.
9232 * config/fixtfdi.c: New libgcc source file.
9233 * config/fixunstfdi.c: New source file.
9234 * config/floatditf.c: New source file.
9235 * config/floatunditf.c: New souce file.
9236 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9237 files above instead of config/mips/_tilib.c.
9238 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9240 2006-02-08 Jeff Law <law@redhat.com>
9242 PR tree-optimization/26169
9243 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9246 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9248 * df.h (DF_REG_SIZE): Return the length of the initialized
9251 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9253 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9254 __muldf3): Return a correctly signed zero.
9256 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9258 * passes.c (register_one_dump_file): Accept the current properties
9259 instead of pass number. Adjust call to dump_register. Remove
9261 (register_dump_files): Now a wrapper around...
9262 (register_dump_files_1): ... this one. Do not modify the pass
9264 (next_pass_1): Cosmetic fix.
9265 (execute_todo): Keep second parameter only. Use curr_properties
9266 instead of fetching it from the pass structure. Check and set
9268 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9269 instead of fetching it from the pass structure. Fix calls to
9270 execute_todo. Update curr_properties and initialize .vcg RTL dump
9271 after running the pass. Reset last_verified.
9272 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9274 (FIRST_AUTO_NUMBERED_DUMP): New.
9275 (dump_register): Remove "num" parameter, assign it within the
9277 (get_dump_file_name): Modify template for dumps.
9278 * tree-dump.h (dump_register): Adjust prototype.
9279 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9280 (PROP_trees): Add PROP_gimple_lomp.
9281 (TODO_set_props): New.
9282 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9283 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9284 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9286 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9288 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9289 (sparc64-*-linux*): Likewise.
9290 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9291 * config/sparc/t-linux: New file.
9292 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9293 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9294 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9295 -m32 -mlong-double-128.
9297 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9298 * config/alpha/t-linux: New file.
9299 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9301 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9302 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9303 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9304 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9305 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9306 (CPP_ARCH32_SPEC): Remove.
9308 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9310 PR tree-optimization/26145
9311 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9314 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9317 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9318 >= 240000 when generating code for SOM runtime.
9319 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9320 to $$dyncall when generating code for SOM runtime..
9322 2006-02-07 Dirk Mueller <dmueller@suse.com>
9325 * doc/invoke.texi (-Wsequence-point): Update documentation
9326 that -Wsequence-point is implemented for C++ as well.
9328 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9330 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9331 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9332 (LIB_SPEC): Likewise.
9333 * doc/invoke.texi (SPARC options): Document -pthread.
9335 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9337 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9340 2006-02-07 Roger Sayle <roger@eyesopen.com>
9342 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9343 Correct comment describing BOOLEAN_TYPE.
9345 2006-02-07 Dirk Mueller <dmueller@suse.com>
9347 * c.opt: C++ frontend supports -Wdiv-by-zero.
9348 * c-opts.c (c_common_handle_option): Remove dead case.
9350 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9352 * configure.ac (TLS assembler check): Do not enable TLS by
9353 default on SPARC/Solaris before version 10.
9354 * configure: Regenerate.
9356 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9358 * doc/invoke.texi (xl-compat): Document conversion and support
9361 2006-02-07 Jeff Law <law@redhat.com>
9363 * tree-vrp.c (find_conditional_asserts): Update comments.
9364 (simplify_stmt_for_jump_threading): New.
9365 (identify_jump_threads, finalize_jump_threads): New.
9366 (vrp_finalize): Call identify_jump_threads.
9367 (execute_vrp): Call finalize_jump_threads.
9368 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9369 (vrp_element, vrp_data, vrp_element_p): Remove.
9370 (vrp_hash_elt, vrp_variables_stack): Remove.
9371 (vrp_hash, vrp_eq, record_range): Remove.
9372 (simplify_cond_and_lookup_avail_expr): Remove.
9373 (extract_range_from_cond): Remove.
9374 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9375 (simplify_stmt_for_jump_threading): New.
9376 (dom_thread_across_edge): New wrapper.
9377 (tree_ssa_dominator_optimize): No longer initialize or
9378 finalize any of the VRP datastructures. Remove iteration
9379 step and simplify as a result of removal of iteration step.
9380 (pass_dominator): Perform a cfg cleanup after DOM.
9381 (dom_opt_finalize_block): Use the new common routines
9382 for threading jumps. Simplify stack management slightly.
9383 No longer need to unwind VRP state.
9384 (record_equivalences_from_incoming_edge): No longer record
9386 (eliminate_redundant_computations): No longer call
9387 simplify_cond_and_lookup_avail_expr.
9388 * tree-flow.h (potentially_threadable_block): Prototype.
9389 (thread_across_edge): Likewise.
9390 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9391 (tree-ssa-threadedge.o): Add dependencies.
9392 * tree-ssa-threadedge.c: New file.
9393 * passes.c (init_optimization_passes): Merge PHIs before
9394 calling VRP. Run VRP again late in the SSA optimization pipeline.
9396 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9398 * df-core.c (df_set_blocks): Do not dereference function pointers.
9399 (df_finish1): Likewise.
9400 (df_hybrid_search_forward): Likewise.
9401 (df_hybrid_search_backward): Likewise.
9402 (df_iterative_dataflow): Likewise.
9403 (df_analyze_problem): Likewise.
9404 (df_compact_blocks): Likewise.
9405 (df_dump): Likewise.
9406 * df-scan.c (df_rescan_blocks): Likewise.
9407 (df_record_entry_block_defs): Likewise.
9409 * genconditions.c (write_conditions): Guard the definition of
9410 'insn_conditions' with the check on GCC version.
9411 (write_writer): Guard the traversal 'insn_conditions' with
9412 the check on GCC version.
9414 2006-02-07 Richard Guenther <rguenther@suse.de>
9418 2006-01-30 Richard Guenther <rguenther@suse.de>
9420 * gimplify.c (gimplify_target_expr): Handle easy cases
9421 without creating a temporary.
9423 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9425 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9426 use of float in probability computations. Use edge probabilities
9427 in place of statically computed probabilities.
9428 (min_spec_prob): New static variable.
9429 (schedule_insns): Initialize it.
9430 (GET_SRC_PROB): Removed.
9431 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9433 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9436 * config/ia64/unwind-ia64.c: Revert last change.
9437 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9438 (INCOMING_FRAME_SP_OFFSET): Define.
9440 2006-02-06 Roger Sayle <roger@eyesopen.com>
9442 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9444 2006-02-07 Ben Elliston <bje@au.ibm.com>
9446 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9447 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9448 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9449 (ix86_return_in_memory): Handle TDmode.
9450 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9451 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9453 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9455 * reorg.c (dbr_schedule): Use dump_file instead of file.
9457 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9460 * config/ia64/predicates.md (extr_len_operand): New predicate.
9461 * config/ia64/ia64.md (extv): Tighten constraints.
9463 (*tbit_and_2): Ditto.
9464 (*tbit_and_3): Ditto.
9465 (*tbit_or_2): Ditto.
9466 (*tbit_or_3): Ditto.
9470 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9473 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9475 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9477 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9478 loop_optimizer_init and loop_optimizer_finalize
9479 * tree-ssa-sink.c (execute_sink_code): Ditto.
9480 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9481 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9482 tree_ssa_loop_done): Ditto.
9483 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9484 * sched-ebb.c: Include output.h.
9485 (schedule_ebbs): Do not use dump argument.
9486 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9487 * loop.c (loop_dump_stream): Removed.
9488 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9490 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9491 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9492 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9493 loop_iterations, strength_reduce, record_biv, record_giv,
9494 final_giv_value, check_final_value, check_ext_dependent_givs,
9495 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9496 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9497 dump_file instead of loop_dump_stream.
9498 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9500 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9502 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9503 * haifa-sched.c: Include output.h
9504 (schedule_insns, sched_init): Do not use dump argument.
9505 * mode-switching.c (optimize_mode_switching): Ditto.
9506 * modulo-sched.c (stats_file): Removed.
9507 (print_node_sched_params): Do not call argument dump_file.
9508 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9509 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9511 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9513 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9514 rtl_loop_init, rtl_loop_done): Ditto.
9515 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9516 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9518 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9519 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9520 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9521 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9522 * emit-rtl.c (renumber_insns): Ditto.
9523 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9524 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9525 * regclass.c (regclass): Ditto.
9526 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9527 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9528 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9529 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9531 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9532 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9534 * gcse.c (gcse_file, debug_stderr): Removed.
9535 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9536 rest_of_handle_gcse): Do not use dump argument.
9537 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9538 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9539 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9540 compute_code_hoist_vbeinout, compute_code_hoist_data,
9541 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9542 compute_store_table, build_store_vectors, insert_insn_start_bb,
9543 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9544 store_motion): Use dump_file instead of gcse_file.
9545 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9546 * profile.c (profile_dump_file): Removed.
9547 (branch_prob): Use dump_file instead of profile_dump_file.
9548 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9550 * tree-ssa-copy.c (dump_copy_of): Ditto.
9551 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9552 dump file to life_analysis.
9553 * bt-load.c (branch_target_load_optimize): Ditto.
9554 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9556 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9557 regclass, dbr_schedule): Declaration changed.
9558 * sched-int.h (sched_init): Declaration changed.
9559 * tree-profile.c (tree_profile_dump_file): Removed.
9560 (tree_profile_hooks): Removed profile_dump_file hook.
9561 * rtl-profile (rtl_profile_dump_file): Removed.
9562 (rtl_profile_hooks): emoved profile_dump_file hook.
9563 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9565 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9566 * tree-cfg.c (build_tree_cfg): Ditto.
9567 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9568 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9569 Declaration changed.
9570 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9571 life_analysis and schedule_insns.
9572 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9574 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9576 * config/mips/mips.c (mips_reorg): Ditto.
9577 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9580 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9582 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9583 (s390_mangle_fundamental_type): New.
9584 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9587 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9588 (alpha_mangle_fundamental_type): New.
9589 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9592 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9594 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9596 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9597 (sparc_mangle_fundamental_type): New.
9599 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9601 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9602 (s390x-*-linux*): Likewise.
9603 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9604 * config/s390/t-linux: New file.
9606 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9608 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9609 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9611 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9613 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9614 (ANTIC_SAFE_LOADS): New macro.
9615 (find_or_generate_expression): Add prototype.
9616 (set_contains_value): Allow null set for sake of not always having
9617 to allocate ANTIC_SAFE_LOADS.
9618 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9619 Allow COMPONENT_REF too.
9620 (valid_in_set): Allow COMPONENT_REF.
9621 Check ANTIC_SAFE_LOADS too.
9622 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9623 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9625 (can_PRE_operation): Add COMPONENT_REF.
9626 (create_component_ref_by_pieces): New function.
9627 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9628 (insert_aux): Move AGGREGATE_TYPE_P check here.
9629 (compute_avail): Set bb local stmt uids.
9630 (pass_pre): Use TODO_update_ssa_only_virtuals.
9632 2006-02-06 Ben Elliston <bje@au.ibm.com>
9634 * configure.ac: Unconditionally disable decimal float by default.
9635 * configure: Regenerate.
9637 2006-02-06 Ben Elliston <bje@au.ibm.com>
9639 * read-rtl.c (read_name): Terminate reading on EOF.
9641 2006-02-06 Ben Elliston <bje@au.ibm.com>
9643 * dfp.c (decimal_real_arithmetic): Change second argument type
9644 from int to enum tree_code. Do not always return true, but now
9645 return result of any call to decimal_do helper functions.
9646 * dfp.h (decimal_real_arithmetic): Update prototype.
9648 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9650 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9652 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9655 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9658 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9660 * tree-vrp.c (cfg_loops): Removed.
9661 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9662 Use current_loops instead of cfg_loops. Pass flags to
9663 loop_optimizer_init.
9664 * cfgloopmanip.c (fix_loop_structure): Update only available
9666 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9667 loop_optimizer_init.
9668 * modulo-sched.c (build_loops_structure): Removed.
9669 (sms_schedule): Use loop_optimizer_init.
9670 * loop-init.c (loop_optimizer_init): Use flags to determine
9671 which properties of loops to prepare.
9672 (rtl_loop_init): Pass flags to loop_optimizer_init.
9673 * tree-ssa-sink.c (execute_sink_code): Ditto.
9674 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9675 * tree-ssa-pre.c (init_pre): Ditto.
9676 * cfgloop.h (LOOPS_NORMAL): New.
9677 (loop_optimizer_init): Declaration changed.
9679 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9681 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9682 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9684 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9686 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9688 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9689 * pa/t-pa64: Delete quadlib.c rule.
9690 * pa/x-ada: Revert last change.
9691 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9693 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9695 PR rtl-optimization/26087
9696 * rtlanal.c (canonicalize_condition): Do not cross basic block
9699 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9702 * config/ia64/ia64.c: Include debug.h.
9703 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9704 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9705 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9706 (process_epilogue, process_set, process_for_unwind_directive):
9707 Output unwind info only if requested. Add CFA info if requested.
9708 Add new arguments as needed. Adjust callers.
9709 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9711 (DWARF2_FRAME_INFO): Define to zero.
9712 * config/ia64/unwind-ia64.c: Remove code that compensated for
9713 the CFA offset error fixed above.
9714 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9715 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9716 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9717 -funwind-tables and -fexceptions to enable frame info.
9718 (dwarf2out_frame_init): Define initial CFA even if
9719 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9720 DWARF2_UNWIND_INFO is nonzero, not just defined.
9721 (dwarf2out_frame_finish): Output non-EH call frame info only
9722 if DWARF2_FRAME_INFO is nonzero.
9723 (convert_cfa_to_loc_list,
9724 compute_frame_pointer_to_cfa_displacement): Define even if
9725 unwind info is not supported.
9726 (gen_subprogram_die): Use the above unconditionally. Remove
9727 legacy alternate code.
9728 * toplev.c (compile_file): Compile in call to
9729 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9730 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9732 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9733 Jakub Jelinek <jakub@redhat.com>
9735 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9736 IBM extended float format long double as "g" on powerpc*-linux.
9738 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9741 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9742 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9744 2006-02-03 Jason Merrill <jason@redhat.com>
9747 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9750 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9751 on the return slot if it's an NRV.
9753 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9755 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9756 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9757 rewrite_use): Do not handle USE_OUTER.
9758 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9759 add_iv_outer_candidates, may_replace_final_value,
9760 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9761 (find_interesting_uses_op): Functionality of
9762 find_interesting_uses_outer_or_nonlin moved here.
9763 (find_interesting_uses_outside): Use find_interesting_uses_op.
9765 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9768 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9770 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9771 Ulrich Weigand <uweigand@de.ibm.com>
9774 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9775 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9776 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9777 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9779 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9780 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9781 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9782 Define secondary reloads for TFmode moves.
9783 (constant_modes): Add TFmode.
9784 (NR_C_MODES): Set to 8.
9785 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9787 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9788 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9789 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9790 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9791 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9792 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9793 (FPR mode macro): Add TFmode.
9794 (DSF mode macro): New.
9795 (<de>, <dee> mode attributes): Removed.
9796 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9797 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9798 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9799 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9800 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9801 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9802 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9803 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9804 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9805 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9806 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9807 "*negabs<mode>2", "sqrt<mode>2"):
9808 Changed <de> to <xde>. R constraint replaced by <Rf>.
9809 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9811 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9812 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9813 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9815 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9816 "extenddftf2", "extendsftf2"): New expanders.
9817 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9818 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9819 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9820 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9822 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9823 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9824 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9825 __floatditf): Add a GCC_4.1.0 symbol version tag.
9826 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9829 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9832 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9833 Use targetm.binds_local_p instead of TREE_PUBLIC.
9835 2006-02-02 Roger Sayle <roger@eyesopen.com>
9837 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9838 on INTEGER_TYPEs to indicate that it denotes a character type.
9839 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9840 signed_char_type_node, unsigned_char_type_node and char_type_node.
9841 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9842 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9843 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9845 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9846 Daniel Berlin <dberlin@dberlin.org>
9848 * tree-tailcall.c (arg_needs_copy_p): New function.
9849 (eliminate_tail_call): Use arg_needs_copy_p.
9850 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9851 (add_virtual_phis): New function.
9853 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9855 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9856 #ignore instead of #scratch for %g7 .register directive.
9858 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9860 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9863 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9865 * flow.c (calculate_global_regs_live): Assert that there aren't any
9868 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9870 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9872 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9873 bsi_after_labels iterator.
9874 * tree-if-conv.c (find_phi_replacement_condition,
9875 replace_phi_with_cond_modify_expr): Likewise.
9876 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9877 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9879 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9881 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9883 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9886 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9887 array after growing it.
9889 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9892 * fold-const.c (fold_checksum_tree): Change type of buf.
9894 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9896 * reload.c (push_secondary_reload): Initialize t_icode.
9898 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9900 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9901 -msoft-float -mlong-double-128 only issue a warning, but don't
9902 swich to DFmode long double.
9904 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9906 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9907 has a constant equivalent, iterate over equivalents for arg0,
9908 calling simplify_relational_operation and if there's a result
9909 cheaper than X, apply fold_rtx and return the result.
9911 2006-02-01 Jan Hubicka <jh@suse.cz>
9913 * opts.c (no_unit_at_a_time_default): New global variable.
9914 (decode_options): Use it.
9915 * opts.h (no_unit_at_a_time_default): Declare.
9917 2006-02-01 Paul Brook <paul@codesourcery.com>
9919 * function.c (assign_parm_setup_reg): Use function argument promotion
9921 * expr.c (expand_expr_real_1): Use function argument promotion rules
9924 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9926 * gcc.c (process_command): Change j to 'unsigned int'.
9928 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9931 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9932 Use the corrected index for the character
9933 out of the string constant.
9935 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9937 * mode-switching.c (optimize_mode_switching): Fix size
9938 allocated for bb_info[n_entities].
9940 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9942 * gcc.c (main): Correct type that is allocated for
9943 explicit_link_files.
9945 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9947 * config/s390/s390.c (init_alignment_context): Set
9948 ALIAS_SET_MEMORY_BARRIER on the MEM.
9949 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9951 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9954 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9956 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9959 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9961 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9962 * regrename.c: Ditto.
9963 * tree-ssa-loop-im.c: Ditto.
9964 * tree-dump.c: Ditto.
9965 * tree-complex.c: Ditto.
9966 * genrecog.c: Ditto.
9967 * tree-ssa-threadupdate.c: Ditto.
9969 * java/class.c: Ditto.
9970 * java/jcf-parse.c: Ditto.
9971 * java/resource.c: Ditto.
9972 * java/except.c: Ditto.
9973 * java/jvspec.c: Ditto.
9974 * java/jcf-write.c: Ditto.
9975 * java/jcf-path.c: Ditto.
9976 * java/gjavah.c: Ditto.
9977 * java/zextract.c: Ditto.
9978 * java/jcf-io.c: Ditto.
9979 * java/jcf.h: Ditto.
9980 * java/buffer.c: Ditto.
9981 * java/lang.c: Ditto.
9982 * java/parse-scan.y: Ditto.
9983 * java/lex.c: Ditto.
9984 * java/lex.h: Ditto.
9985 * cfgloopmanip.c: Ditto.
9986 * postreload-gcse.c: Ditto.
9987 * tree-ssa-loop-manip.c: Ditto.
9988 * postreload.c: Ditto.
9989 * tree-ssa-loop-ch.c: Ditto.
9993 * diagnostic.c: Ditto.
9995 * genoutput.c: Ditto.
9997 * cfghooks.c: Ditto.
9998 * cfgloopanal.c: Ditto.
9999 * objc/objc-act.c: Ditto.
10001 * genextract.c: Ditto.
10002 * genautomata.c: Ditto.
10003 * pretty-print.c: Ditto.
10004 * genemit.c: Ditto.
10005 * cgraphunit.c: Ditto.
10007 * df-scan.c: Ditto.
10008 * haifa-sched.c: Ditto.
10009 * dominance.c: Ditto.
10011 * tree-ssa-loop-ivopts.c: Ditto.
10012 * df-core.c: Ditto.
10013 * mode-switching.c: Ditto.
10014 * modulo-sched.c: Ditto.
10016 * ipa-pure-const.c: Ditto.
10018 * fix-header.c: Ditto.
10020 * tree-stdarg.c: Ditto.
10021 * ipa-utils.c: Ditto.
10022 * loop-init.c: Ditto.
10023 * ipa-inline.c: Ditto.
10024 * cfganal.c: Ditto.
10026 * alloc-pool.c: Ditto.
10027 * dwarf2out.c: Ditto.
10029 * genattrtab.c: Ditto.
10030 * tree-ssa-loop-ivcanon.c: Ditto.
10031 * predict.c: Ditto.
10032 * timevar.c: Ditto.
10034 * fortran/gfortranspec.c: Ditto.
10035 * regmove.c: Ditto.
10036 * local-alloc.c: Ditto.
10037 * langhooks.c: Ditto.
10038 * function.c: Ditto.
10039 * tree-vectorizer.c: Ditto.
10041 * ipa-type-escape.c: Ditto.
10043 * tree-if-conv.c: Ditto.
10044 * profile.c: Ditto.
10046 * tree-data-ref.c: Ditto.
10047 * loop-unroll.c: Ditto.
10048 * treelang/treetree.c: Ditto.
10050 * bt-load.c: Ditto.
10051 * ggc-common.c: Ditto.
10053 * coverage.c: Ditto.
10055 * tree-cfgcleanup.c: Ditto.
10056 * tree-ssa-pre.c: Ditto.
10057 * cfgcleanup.c: Ditto.
10058 * loop-invariant.c: Ditto.
10059 * loop-iv.c: Ditto.
10060 * ipa-prop.c: Ditto.
10061 * print-tree.c: Ditto.
10062 * conflict.c: Ditto.
10063 * ggc-page.c: Ditto.
10064 * sched-deps.c: Ditto.
10065 * regclass.c: Ditto.
10066 * tree-object-size.c: Ditto.
10067 * combine.c: Ditto.
10068 * bb-reorder.c: Ditto.
10069 * resource.c: Ditto.
10070 * var-tracking.c: Ditto.
10071 * cfgloop.c: Ditto.
10072 * df-problems.c: Ditto.
10073 * reg-stack.c: Ditto.
10075 * gccspec.c: Ditto.
10076 * sched-rgn.c: Ditto.
10077 * tree-ssa-structalias.c: Ditto.
10078 * tree-ssa-reassoc.c: Ditto.
10079 * config/darwin-c.c: Ditto.
10080 * config/darwin.c: Ditto.
10081 * config/arm/arm.c: Ditto.
10083 * collect2.c: Ditto.
10084 * reload1.c: Ditto.
10086 2006-01-31 Nicolas Pitre <nico@cam.org>
10088 * arm.md (smaxsi3): Make aware of smax_m1.
10091 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10093 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10095 2006-01-31 Richard Guenther <rguenther@suse.de>
10097 * doc/invoke.texi (-msselibm): Document.
10098 * target.h (expand_library_builtin): New target hook.
10099 * builtins.c (expand_builtin): Use expand_library_builtin.
10100 (default_expand_library_builtin): New function.
10101 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10102 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10103 (link_gcc_math_spec): Declare.
10104 (static_specs): Add link_gcc_math_spec.
10105 * expr.h (default_expand_library_builtin): Declare.
10106 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10107 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10108 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10109 * config/i386/i386.opt (msselibm): New target option.
10110 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10111 (ix86_init_sse_abi_builtins): New function.
10112 (ix86_expand_library_builtin): Likewise.
10113 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10114 (override_options): Handle error conditions wrt -msselibm.
10115 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10116 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10117 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10120 2006-01-31 Richard Guenther <rguenther@suse.de>
10121 Paolo Bonzini <bonzini@gnu.org>
10123 * doc/install.texi (--disable-libgcc-math): Document.
10125 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10127 * expr.h (expand_normal): new inline function.
10128 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10129 * dojump.c: use it.
10130 * dwarf2out.c: use it.
10133 * expmed.c: use it.
10134 * except.c: use it.
10135 * config/sparc/sparc.c: use it.
10136 * config/i386/i386.c: use it.
10137 * config/rs6000/rs6000.c: use it.
10138 * config/arm/arm.c: use it.
10139 * config/mips/mips.c: use it.
10140 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10142 2006-01-30 Roger Sayle <roger@eyesopen.com>
10144 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10145 argv to the appropriate type.
10147 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10149 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10152 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10155 * config/s390/s390.c (struct machine_function): New flag
10156 decomposed_literal_pool_addresses_ok_p.
10157 (s390_reorg): Set it before final stage of literal pool transforms.
10158 (s390_decompose_address): Only accept displacements of the form
10159 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10161 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10163 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10164 the comparison routine return.
10166 2006-01-30 Michael Matz <matz@suse.de>
10168 * global.c (find_reg): Only evict for global regs.
10169 Take n_refs into account and dump more info.
10171 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10174 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10175 (pragma_trap, pragma_nosave_low_regs): Likewise.
10176 (current_function_anonymous_args): Likewise.
10177 (sh_deferred_function_attributes): New variable.
10178 (sh_deferred_function_attributes_tail): Likewise.
10179 (print_operand): For '@', look up trap_exit attribute.
10180 (calc_live_regs): Look up trapa_handler attribute. For trapa
10181 handlers, save/restore fpscr, but don't do any other
10182 interrupt-specific saves.
10183 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10184 Fix check for partially saved registers to check for SHmedia.
10185 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10186 (sh_output_function_epilogue): Don't clear any of the removed
10188 (sh_insert_attributes): Don't check pragma_interrupt.
10189 Insert deferred attributes. Check that interrupt attribute is
10190 present for other attributes that require its presence.
10191 (sh_attribute_table): Add new attributes trapa_handler and
10193 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10194 Don't check for pragma_interrupt. Don't store argument.
10195 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10196 (sh_deferred_function_attributes): Declare.
10197 (sh_deferred_function_attributes_tail): Likewise.
10198 * sh.md (sp_switch_1): Add operand. Change generator caller.
10199 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10200 (*return_i): Don't use when trap_exit attribute is in effect.
10201 (*return_trapa): New insn pattern.
10202 * sh-c.c: New file.
10203 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10204 setting c_target_objs and cxx_target_objs.
10205 * t-sh: Add rule for sh-c.o.
10207 2006-01-30 Richard Guenther <rguenther@suse.de>
10210 * gimplify.c (gimplify_target_expr): Handle easy cases
10211 without creating a temporary.
10213 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10215 * vec.h (safe_grow): Remove duplicated line.
10217 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10220 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10221 (expand_omp): ... here.
10222 (expand_omp_parallel): Only remove barriers for combined
10223 parallel+workshare constructs.
10225 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10229 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10230 * tree.c (build_qualified_type): Chain the new type to the original
10231 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10232 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10233 (build_pointer_type_for_mode): Only return unqualified types.
10234 (build_reference_type_for_mode): Likewise.
10236 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10238 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10239 * Makefile.in (CXX_COMPAT_WARN): Define.
10240 * configure: Regenerate.
10242 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10245 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10248 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10250 * toplev.c: Fix thinko.
10252 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10253 Marcin Dalecki <martin@dalecki.de>
10255 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10256 (push_srcloc): Use XNEW.
10257 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10259 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10261 * df-core.c (df_set_blocks): Deleted all variable.
10263 2006-01-28 Ian Lance Taylor <ian@airs.com>
10265 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10266 cgraph_output_pending_asms.
10268 2006-01-28 Zack Weinberg <zackw@panix.com>
10270 * c.opt: Add -W(no-)overlength-strings.
10271 * doc/invoke.texi: Document it.
10272 * c-opts.c (c_common_handle_option): -pedantic implies
10273 -Woverlength-strings, if not explicitly disabled already.
10274 (c_common_post_options): -Woverlength-strings defaults to off, and
10275 is always off for C++.
10276 * c-common.c (fix_string_type): Issue warning about strings longer
10277 than is portable only if warn_overlength_strings. Rearrange code
10278 a little for clarity.
10279 * configure.in: Check for -Wno-overlength-strings as well before
10280 enabling -pedantic in stage 1.
10281 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10282 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10284 * genconditions.c (write_header, write_one_condition)
10285 (write_conditions, write_writer): Consolidate very long strings
10286 that were broken up to fit in C89 portable limit. Don't use
10287 printf when fputs will do.
10289 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10291 * combine.c (simplify_comparison <AND>): Check
10292 TRULY_NOOP_TRUNCATION before start using a subreg.
10294 * config/mips/mips.md (*branch_zero<mode>,
10295 *branch_zero<mode>_inverted, *branch_equality<mode>,
10296 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10297 Remove mode check from comparisons.
10299 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10301 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10303 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10305 * expmed.c (const_mult_add_overflow_p): Remove.
10306 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10308 * recog.c (validate_replace_rtx_subexp): Remove.
10309 * recog.h: Remove the prototype for
10310 validate_replace_rtx_subexp.
10312 * integrate.h: Remove the prototype for
10313 copy_decl_for_inlining.
10314 * rtl.h: Remove the prototype for mark_constant_function.
10315 * tree-vectorizer.h: Remove the prototype for
10316 vect_strip_conversion.
10318 * modulo-sched.c (create_partial_schedule,
10319 free_partial_schedule, reset_partial_schedule): Make them
10322 * hooks.c (hook_bool_rtx_int_false): Remove.
10323 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10325 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10327 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10328 and -mlong-double-128 are incompatible.
10329 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10330 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10331 (TARGET_LIBGCC2_CFLAGS): Define.
10332 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10333 (TARGET_LIBGCC2_CFLAGS): Same.
10334 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10336 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10339 * c-typeck.c (build_binary_op): Perform implicit casts of
10340 operands before shortening them.
10342 * cfgloopmanip.c (split_loop_bb): Remove.
10343 * cfgloop.h: Remove the prototype for split_loop_bb.
10345 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10346 * cfgloop.h: Remove the prototype for
10347 flow_loop_outside_edge_p.
10349 * emit-rtl.c (init_virtual_regs): Make it static.
10350 * function.h: Remove the prototype for init_virtual_regs.
10352 * recog.c (peephole2_optimize): Make it static.
10353 * recog.h: Remove the prototype for peephole2_optimize.
10355 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10357 * df-scan.c (df_record_entry_block_defs): Check if
10358 INCOMING_RETURN_ADDR_RTX is defined.
10360 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10361 Kenneth Zadeck <zadeck@naturalbridge.com>
10363 PR rtl-optimization/24762
10364 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10365 * targhooks.c (hook_void_bitmap): New hook prototype.
10366 * targhoohs.h (hook_void_bitmap): Ditto.
10367 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10368 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10369 * target.h (live_on_entry): New function pointer.
10370 * df-scan.c (df_all_hard_regs): Removed.
10371 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10372 (df_scan_free_internal): Added df->entry_block_defs.
10373 (df_scan_alloc): Ditto.
10374 (df_scan_dump): Ditto.
10375 (df_uses_record): Plumbed flag field properly thru calls.
10376 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10377 This part fixes PR24762.
10378 (df_bb_refs_record): Added code to make the frame and arg
10379 pointers live in EH blocks.
10380 (df_refs_record): Added call to df_record_entry_block_defs.
10381 (df_record_entry_block_defs): New function.
10382 * df-core.c: Added comments to describe new artifical defs.
10383 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10384 (entry_block_defs): New field in struct df.
10385 (df_all_hard_regs): Deleted.
10386 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10387 * df-problems.c (df_ru_bb_local_compute_process_def):
10388 Added code to handle artifical defs in the entry to a function.
10389 (df_ru_bb_local_compute): Ditto.
10390 (df_rd_bb_local_compute_process_def): Ditto.
10391 (df_rd_bb_local_compute): Ditto.
10392 (df_lr_bb_local_compute): Ditto.
10393 (df_ur_bb_local_compute): Ditto.
10394 (df_urec_bb_local_compute): Ditto.
10395 (df_chain_create_bb): Ditto.
10396 (df_ur_local_finalize): Removed entry.
10397 (df_urec_init): Ditto.
10398 (df_urec_local_finalize): Ditto.
10399 (df_ri_bb_compute): Added detection of last use of pseudos.
10400 * Makefile.in (df-scan.o): Updated dependencies.
10401 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10402 * config/mips/mips.c (mips_set_live_on_entry): Added.
10403 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10405 * dce.c (marked_insn_p): Added code to handle artifical defs.
10407 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10409 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10411 (_mm_cvtsi128_si64): Likewise.
10412 (_mm_cvtsd_si64): Likewise.
10413 (_mm_cvttsd_si64): Likewise.
10414 (_mm_cvtsi64_sd): Likewise.
10415 (_mm_cvtsi64_si128): Likewise.
10416 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10417 (_mm_cvtsi64_m64): Likewise.
10418 (_m_to_int64): Likewise.
10419 (_mm_cvtm64_si64): Likewise.
10420 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10421 (_mm_cvttss_si64): Likewise.
10422 (_mm_cvtsi64_ss): Likewise.
10423 (_mm_cvtss_f32): Likewise.
10425 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10427 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10428 for pragma redefine_extname.
10430 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10433 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10434 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10435 -mno-minimal-toc to previous content.
10436 (bispecs): Remove goal.
10437 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10438 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10439 compatibility aliases on powerpc-*-*gnu*.
10440 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10441 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10442 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10443 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10444 (ldblspecs): New goal.
10445 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10446 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10448 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10449 L_sf_to_tf or L_df_to_tf is defined.
10451 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10452 Alan Modra <amodra@bigpond.net.au>
10455 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10456 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10457 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10458 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10459 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10460 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10461 (rs6000_override_options): Initialize rs6000_ieeequad.
10462 Initialize TFmode format to ibm_extended_format if not
10464 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10466 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10467 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10468 (function_arg_advance): IBM long double passed in two FPRs, not
10470 (function_arg): IBM long double passed in FPRs.
10471 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10472 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10473 Only multireg GPR aligned.
10474 (rs6000_init_libfuncs): Enable IBM long double functions if not
10476 (rs6000_generate_compare): Use IBM long double compare if not
10478 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10479 (TARGET_IEEEQUAD): Define.
10480 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10481 not TARGET_IEEEQUAD.
10482 * config/rs6000/rs6000.md: Enable TFmode patterns if
10484 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10485 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10486 and -mlong-double-128 are incompatible.
10487 * doc/invoke.texi (-mabi): Collect options together. Add
10488 ibmlongdouble and ieeelongdouble.
10490 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10492 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10494 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10495 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10496 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10497 * rtl.h (rtunion_def): Remove rt_ptr.
10499 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10500 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10501 * config/i386/winnt.c (i386_pe_mark_dllexport)
10502 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10504 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10506 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10508 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10512 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10513 pthread_key_delete. From John David Anglin. gthrw-ify
10514 pthread_getunique_np only if it it's not a macro. Delete
10516 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10517 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10518 __gthread_objc_condition_signal, __gthread_key_delete): Add
10519 "__attribute__ ((__unused__))" to unused arguments.
10520 (__gthread_recursive_mutex_init_function): Add missing return.
10521 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10522 gthr-posix95.h: Use macro-based approach for name redirection
10523 on targets missing weakref.
10525 2006-01-26 Zack Weinberg <zackw@panix.com>
10527 * genconditions.c (write_header): In generated code, #ifdef out
10528 all includes and fake declarations, except includes of bconfig.h
10529 and system.h, unless GCC_VERSION >= 3001. Do not include
10530 gensupport.h in any case.
10531 (write_conditions): Generate a definition of struct c_test. Add
10532 a comment to the generated #endif.
10533 (write_one_condition): Escape backslashes in string too.
10534 (write_writer): Generated code must escape backslashes and quote
10535 marks (but not newlines) in the strings it writes.
10536 * Makefile.in (build/gencondmd.o): Update dependencies.
10538 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10541 * Makefile.in (insn-automata.o): Add header file dependencies.
10542 * genautomata.c: Add includes.
10544 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10547 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10549 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10551 * configure.ac: Expect target tools paths to be passed from the toplevel
10552 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10554 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10556 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10559 * c.opt (Wpointer-sign): Init to -1.
10560 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10561 OPT_pedantic, to 0 otherwise.
10562 * doc/invoke.texi: Update.
10564 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10566 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10567 constants provided by 80387 instructions in the destination mode.
10569 2006-01-26 Richard Guenther <rguenther@suse.de>
10570 Andrew Pinski <pinskia@physics.uc.edu>
10573 partial PR tree-opt/17064
10574 * tree-ssa-structalias.c (intra_create_variable_infos):
10575 Create heap variables for incoming parameters if
10576 flag_argument_noalias > 1.
10577 (find_what_p_points_to): Look through default defs of
10580 2006-01-26 Jeff Law <law@redhat.com>
10583 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10584 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10585 within the VR_RANGE, use the VR_RANGE as the result, not the
10587 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10588 bounds for the type.
10590 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10592 * tree-ssa-alias.c (maybe_create_global_var): Change
10593 subvar walking to an assertion that we don't have subvar'd variables.
10595 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10598 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10599 Use a new variable, inner. PARM_DECLs are always non-weak.
10601 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10603 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10604 --disable-checking.
10606 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10608 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10610 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10612 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10613 (smax_insn, smin_insn, smax_0, smin_0): New.
10615 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10618 * config/cris/cris.c (cris_order_for_addsi3): New function.
10619 * config/cris/cris-protos.h: Prototype it.
10620 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10621 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10622 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10623 (split for "op.S1 [rx=rx+i],ry (swapped)")
10624 (split for "op(s|u).S1 [rx=rx+i],ry")
10625 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10626 Apply cris_order_for_addsi3 when generating addsi3 insns.
10628 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10630 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10631 (TREE_BLOCK): Add call to EXPR_CHECK.
10633 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10636 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10637 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10638 (dump_omp_clauses): ... here.
10639 (dump_generic_node): Handle OMP_CLAUSE.
10640 * tree.c (omp_clause_num_ops): New.
10641 (omp_clause_code_name): New.
10642 (tree_code_size): Handle OMP_CLAUSE.
10643 (tree_size): Likewise.
10644 (make_node): Document handling of OMP_CLAUSE.
10645 (tree_node_structure): Handle OMP_CLAUSE.
10646 (omp_clause_check_failed): New.
10647 (omp_clause_range_check_failed): New.
10648 (omp_clause_operand_check_failed): New.
10649 (build_omp_clause): New.
10650 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10651 * tree.h (enum omp_clause_code): Declare.
10652 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10653 (OMP_CLAUSE_RANGE_CHECK): Define.
10654 (OMP_CLAUSE_ELT_CHECK): Define.
10655 (omp_clause_check_failed): Declare.
10656 (omp_clause_operand_check_failed): Declare.
10657 (omp_clause_range_check_failed): Declare.
10658 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10659 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10660 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10661 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10662 (OMP_CLAUSE_IF_EXPR): Likewise.
10663 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10664 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10665 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10666 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10667 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10668 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10669 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10670 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10671 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10672 (OMP_CLAUSE_CODE): Define.
10673 (OMP_CLAUSE_SET_CODE): Define.
10674 (OMP_CLAUSE_CODE): Define.
10675 (OMP_CLAUSE_OPERAND): Define.
10676 (struct tree_omp_clause): Declare.
10677 (union tree_node): Add field 'omp_clause'.
10678 * treestruct.def (TS_OMP_CLAUSE): Define.
10679 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10680 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10681 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10682 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10683 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10684 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10685 (OMP_CLAUSE): Define.
10686 * print-tree.c (print_node): Handle OMP_CLAUSE.
10687 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10688 * c-typeck.c: Likewise.
10689 * gimplify.c: Likewise.
10690 * c-omp.c: Likewise.
10691 * tree-nested.c: Likewise.
10692 * tree-inline.c: Likewise.
10693 * c-parser.c: Likewise.
10694 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10697 2006-01-25 Roger Sayle <roger@eyesopen.com>
10699 PR rtl-optimization/25703
10700 * combine.c (try_combine): Handle zero_extract and strict_low_part
10701 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10703 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10705 * global.c: Fix comment typos.
10707 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10710 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10711 Use output_addr_const instead of assemble_name.
10713 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10715 * Makefile.in (sched-vis.o): Update dependencies.
10716 * haifa-sched.c (sched_finish): Clear current_sched_info.
10717 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10718 (dump_flow_info): Call it.
10719 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10721 * basic-block.h (dump_bb_info): Declare.
10722 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10723 option, and apply options only for dump files whose TDF_RTL,
10724 TDF_TREE, or TDF_IPA bits match.
10725 * rtl.h: Declare new functions exported from sched-vis.c.
10726 * sched-vis.c: Enable also if scheduling is not used.
10727 (print_value): Print the mode of registers if not inside scheduling.
10728 (print_insn): Make it work outside the scheduler. Beautify the output
10730 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10732 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10734 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10735 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10736 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10737 depending on the value of CONSTANT_POOL_ADDRESS_P.
10738 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10740 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10741 rather than SYMBOL_REF_DECL.
10742 (rtx_constant_pool): Remove const_rtx_sym_htab.
10743 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10744 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10745 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10746 Remove handling of const_rtx_sym_htab.
10747 (find_pool_constant): Delete.
10748 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10749 rather than find_pool_constant.
10750 (get_pool_constant_for_function): Delete.
10751 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10752 find_pool_constant.
10753 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10754 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10755 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10756 (SYMBOL_REF_CONSTANT): New macro.
10757 (get_pool_constant_for_function): Delete.
10758 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10759 rather than SYMBOL_REF_DECL.
10760 (i386_pe_mark_dllimport): Likewise.
10761 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10762 rather than SYMBOL_REF_DECL.
10763 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10764 (machopic_indirect_call_target): Likewise.
10766 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10768 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10770 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10772 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10774 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10776 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10778 2006-01-24 David Daney <ddaney@avtrex.com>
10781 * configure.ac (enable_tls): New enable option.
10782 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10783 * configure: Regenerate.
10784 * doc/install.texi (--enable-tls): Document new option.
10785 (--disable-tls): Ditto.
10787 2006-01-24 Richard Henderson <rth@redehat.com>
10789 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10790 * alias.c (true_dependence): Respect it.
10791 (canon_true_dependence, write_dependence_p): Likewise.
10792 * builtins.c (get_builtin_sync_mem): Set it.
10794 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10796 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10799 2006-01-24 DJ Delorie <dj@redhat.com>
10801 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10802 for storing constants in single-bit bitfields.
10804 2006-01-25 Ben Elliston <bje@au.ibm.com>
10806 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10808 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10811 * tree-ssa-pre.c (phi_translate): Return NULL
10812 for AGGREGATE_TYPE's.
10814 2006-01-24 Zack Weinberg <zackw@panix.com>
10816 * genautomata.c (process_state_for_insn_equiv_partition):
10817 Use xcalloc for insn_arcs_array.
10818 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10819 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10821 2006-01-24 Richard Henderson <rth@redhat.com>
10823 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10824 update all callers.
10826 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10828 PR rtl-optimization/25890
10829 PR rtl-optimization/25905
10830 * combine.c (expand_compound_operation, expand_field_assignment):
10831 Fail if the bitfield's final position is out of bounds.
10833 2006-01-24 Ian Lance Taylor <ian@airs.com>
10835 PR middle-end/25930
10836 * cgraphunit.c (cgraph_output_in_order): Don't clear
10837 cgraph_asm_nodes until after asm strings have been output.
10839 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10841 * fix-header.c (read_scan_file): Add new parameter imultilib when
10842 calling register_include_chains.
10844 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10846 * omp-low.c: Update documentation.
10848 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10849 Daniel Berlin <dberlin@dberlin.org>
10853 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10854 return from the function.
10856 2006-01-22 Zack Weinberg <zackw@panix.com>
10858 * rtl.def (match_code): Add second argument.
10859 * genpreds.c (write_extract_subexp): New function.
10860 (write_match_code): Add path argument. Use write_extract_subexp.
10861 (write_predicate_expr): Pass path to write_match_code.
10862 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10863 not perform a mode test.
10864 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10865 a subexpression does not constrain the top-level code set.
10866 * read-rtl.c (read_rtx_variadic): New function.
10867 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10868 * doc/md.texi: Document new notation.
10869 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10870 (cmpsi_operand): ... here, using new notation.
10872 2006-01-22 Zack Weinberg <zackw@panix.com>
10874 * varray.c: Remove GENERATOR_FILE #ifdefs.
10876 2006-01-22 Zack Weinberg <zackw@panix.com>
10878 * genautomata.c (output_reserved_units_table): Emit nothing if
10879 description->query_units_num is zero. Remove extra blank line.
10880 (output_cpu_unit_reservation_p): Short circuit
10881 if description->query_units_num is zero.
10883 2006-01-22 Zack Weinberg <zackw@panix.com>
10885 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10886 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10887 nor any of the random handful of variables that used to be necessary
10888 when this program was linked with rtlanal.o. Prune set of forward
10889 function declarations.
10890 (struct attr_desc): Remove static_p field.
10891 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10892 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10893 (attr_string): Do not read the character one past the length of
10895 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10896 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10897 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10898 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10899 (make_automaton_attrs): New.
10900 (main): Do not call into genautomata. Call local gen_bypass
10901 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10902 Remove special case for insn_alts.
10903 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10904 varray.h (leftover from previous change). Prune set of forward
10905 function declarations. Remove state_alts fields from all
10906 structures. Remove state_alts_table from struct automaton.
10907 Make everything except main static. Do not maintain num_dfa_decls.
10908 Do not maintain state_alts fields of various structures.
10909 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10910 (add_arc): Remove state_alts argument. All callers updated.
10911 (output_reserved_units_table): Emit #ifdef here...
10912 (output_tables): ...not here. Don't generate state_alts tables.
10913 (expand_automata): Don't generate attributes.
10914 (write_automata): Don't generate state_alts functions.
10915 (main): New function.
10916 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10917 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10918 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10919 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10920 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10921 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10922 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10923 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10925 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10926 * genattrtab.h: Delete file.
10927 * Makefile.in (OBJS-common): Add insn-automata.o.
10928 (insn-automata.o): New rule.
10929 (simple_generated_c): Add insn-automata.c.
10930 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10931 (genprogmd): Add automata.
10932 (build/genattrtab): Needs no extra objects nor libraries.
10933 (build/genautomata): Needs build/vec.o and -lm.
10935 2006-01-22 Zack Weinberg <zackw@panix.com>
10937 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10938 (output_dfa_max_issue_rate, locked_states_num): Delete.
10939 (struct automaton): Add locked_states field.
10940 (output_dead_lock_vect): Save number of locked states in
10941 automaton->locked_states. If it is zero, don't print anything.
10942 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10943 (output_internal_dead_lock_func): Only test the dead_lock_vect
10944 for automata that have locked states.
10945 (output_statistics): Always print the number of locked states for
10946 each automaton. Calculate total number of locked states here.
10947 (write_automata): Don't call output_dfa_max_issue_rate.
10948 * genattrtab.c: Define length_unit_log as a const variable.
10949 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10950 max_insn_queue_index const.
10951 * final.c (length_unit_log): Declare const.
10952 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10954 2006-01-22 Zack Weinberg <zackw@panix.com>
10956 * genautomata.c: Include vec.h, not varray.h.
10957 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10958 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10959 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10960 VEC_* macros operating on appropriately typed vectors, or to
10961 malloced arrays when the size is known in advance. Const-ify
10962 many char* variables and function arguments. No functional changes.
10963 * Makefile.in (build/varray.o): Delete rule.
10964 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10965 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10967 2006-01-22 Zack Weinberg <zackw@panix.com>
10969 * gensupport.c: Define get_insn_name and record_insn_name here.
10970 (read_md_rtx): Call record_insn_name as appropriate.
10971 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10972 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10973 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10975 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10976 (BUILD_VARRAY): Delete.
10977 (genprognormal): Rename genprogmd. Fold in all programs from
10978 genprognoprint; also attrtab.
10979 (build/genattrtab): Just mention genautomata.o and varray.o.
10980 Reorganize a bit, add comments to make the categories clearer.
10982 2006-01-22 Zack Weinberg <zackw@panix.com>
10984 * genconditions.c (condition_table, add_condition): Delete.
10985 (write_conditions): Don't emit n_insn_conditions nor
10986 insn_elision_unavailable. Issue the gcc version #ifdef here,
10987 inside the table, with no #else clause ...
10988 (write_header): ...not here.
10989 (write_writer): New function.
10990 (main): Don't initialize condition_table. Use add_c_test.
10992 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10993 files on the command line.
10994 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10995 Return -1 if there is no entry in the table, don't abort.
10996 (add_c_test, traverse_c_tests): New functions.
10997 * gensupport.h (insn_elision_unavailable, insn_conditions)
10998 (n_insn_conditions): Delete declarations.
10999 (add_c_test, traverse_c_tests): Declare.
11000 * read-rtl.c: Include gensupport.h.
11001 (read_conditions): New function.
11002 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11003 (read_rtx_1): If we get EOF when we were looking for an initial
11004 open paren, return 0. Call read_conditions when appropriate.
11005 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11006 dummy-conditions.o. Eliminate references to insn-conditions.o,
11007 or change them to build/gencondmd.o, as appropriate. Remove
11008 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11009 from $(simple_generated_c). For all files remaining in those
11010 two lists, add insn-conditions.md to the generator command line.
11011 Give insn-constants.h/s-constants their own rules. Add rules
11012 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11013 (build/read-rtl.o): Depend on gensupport.h.
11014 (genprognormal): Include preds.
11015 (genprogearly): Rename genprognoprint; only difference is now that
11016 they don't link with $(BUILD_PRINT).
11017 * dummy-conditions.c: Delete.
11019 2006-01-22 Zack Weinberg <zackw@panix.com>
11021 * genextract.c: Don't include insn-config.h. Do include vec.h.
11022 Declare vectors of int, char, and locstr.
11023 (locstr): New typedef.
11024 (struct extraction): Make all array fields into bare pointers.
11025 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11026 (insn_code_number): Delete.
11027 (accum_extract): New struct.
11028 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11029 (gen_insn): Take insn_code_number as an argument. Use an
11030 accum_extract structure instead of loading data directly into
11031 a struct extraction, and having to know how big it might get.
11032 (walk_rtx): Operate entirely on an accum_extract structure.
11033 (print_path): Avoid unnecessary use of printf.
11034 (print_header): New function, split out of main. Distinguish
11035 more carefully between an unrecognizable insn and an insn that
11036 has the code number of a define_expand.
11037 (main): Pass insn_code_number to gen_insn. Call print_header
11038 only after parsing. Avoid unnecessary use of printf.
11039 * Makefile.in (build/vec.o): New rule.
11040 (build/genextract): Depend on build/vec.o.
11041 (build/genextract.o): Don't depend on insn-config.h.
11043 2006-01-22 Zack Weinberg <zackw@panix.com>
11045 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11046 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11047 practical. Eliminate per-generator-program link rules.
11049 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11051 PR middle-end/24437
11052 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11053 with a call expr to ...
11054 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11056 2006-01-23 Richard Guenther <rguenther@suse.de>
11058 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11059 before make_edge with conditional EDGE_TRUE_VALUE.
11061 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11062 Jan Hubicka <jh@suse.cz>
11063 Richard Guenther <rguenther@suse.de>
11065 PR rtl-optimization/25654
11066 * cfgexpand.c (aggregate_contains_union_type): New function.
11067 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11068 for structure variables that contain a union type.
11070 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11072 * gengtype.c (new_structure): Return the structure.
11073 (create_option): Add an extra "next" argument.
11074 (create_field): New function.
11075 (adjust_field_rtx_def): Use create_option and create_field.
11076 Remove a now-unnecessary call to find_structure.
11077 (adjust_field_tree_def): Likewise.
11078 (note_yacc_type): Remove an unnecessary call to find_structure.
11079 * gengtype.h (new_structure): Return the structure.
11080 (create_option): Add an extra argument.
11081 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11082 (option): Adjust calls to create_option.
11084 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11086 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11088 2006-01-22 Paul Brook <paul@codesourcery.com>
11089 Peter Barada <peter@the-baradas.com>
11091 * config/m68k/m68k.md: Add Coldfire FPU support.
11092 Define FP mode macro and associated attributes.
11093 Use it for float mode patterns.
11094 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11095 (LIBCALL_VALUE): Use m68k_libcall_value.
11096 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11097 (m68k_function_value): Ditto.
11098 (emit_move_sequence): Ditto.
11099 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11100 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11101 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11102 (MULTILIB_EXCEPTIONS): Ditto.
11103 * config/m68k/m68k.opt: Add mcfv4e.
11104 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11105 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11106 (m68k_output_function_prologue): Save ColdFire FPU registers.
11107 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11108 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11109 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11110 ColdFire FPU registers.
11111 (m68k_libcall_value, m68k_function_value): New functions.
11112 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11113 (LIBCALL_VALUE): Use m68k_libcall_value.
11114 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11115 (MASK_COLDFIRE): Add MASK_CFV4E.
11116 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11117 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11118 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11119 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11120 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11121 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11122 * doc/invoke.tex: Document -mcfv4e on m68k.
11124 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11126 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11129 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11132 * c-opts.c (c_common_handle_option): Don't include
11133 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11134 * doc/invoke.texi (C++ Dialect Options): Document that
11135 -Wnon-virtual-dtor is no longer included in -Wall.
11137 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11139 * gcov.c (print_version), gcov-dump.c (print_version),
11140 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11143 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11145 * df-scan.c (problem_SCAN): Added NULL reset function.
11146 (df_scan_reset_blocks): Added code to call reset block function
11147 (df_bb_refs_delete) Fixed comment.
11148 (df_insn_refs_delete): Made tolerant of deleting non existent info
11149 for dataflow problems that need to be reset.
11150 * df-core.c (df_set_blocks): Ditto.
11151 * df.h (struct df_problem): Added reset_fun.
11152 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11153 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11154 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11155 functions to clear out all references to def-use or use-def chains.
11157 2006-01-21 Ben Elliston <bje@au.ibm.com>
11159 * varasm.c (assemble_real): Initialise data array.
11161 2006-01-20 Paul Brook <paul@codesourcery.com>
11163 Merge from csl-arm-branch.
11164 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11165 * config/arm/arm.md (movdi): Force operands[1] to a register
11166 if we have a non-register source.
11167 (*arm_movdi, *movdf_soft_insn): Require that one of the
11168 operands be a register.
11169 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11170 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11172 2006-01-20 DJ Delorie <dj@redhat.com>
11174 * varasm.c (initializer_constant_valid_p): Allow pointers
11175 initialized from integer constants of lesser precision.
11176 (output_constant): Allow non-int-sized pointer modes to be
11177 initialized from integer constants.
11179 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11182 * cppdefault.h (struct default_include): Add multilib flag.
11183 * cppdefault.c (cpp_include_defaults): Set it.
11184 * c.opt (-imultilib): New option.
11185 * c-opts.c (imultilib): New.
11186 (c_common_handle_option): Handle -imultilib.
11187 (c_common_post_options): Likewise.
11188 * c-incpath.c (add_standard_paths, register_include_chains):
11190 * c-incpath.h (register_include_chains): Add extra parameter.
11191 * gcc.c (do_spec_1): Generate -imultilib option.
11192 (The Specs Language): Update %I description.
11193 (process_command): Update copyright notice.
11194 * doc/cppopts.texi (-imultilib): Document.
11195 * doc/invoke.texi (-imultilib): Include in option summary.
11196 (%I): Update specs documentation.
11198 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11200 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11202 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11204 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11207 2006-01-20 Richard Guenther <rguenther@suse.de>
11208 Steven Bosscher <stevenb.gcc@gmail.com>
11210 PR rtl-optimization/24626
11211 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11212 EDGE_TRUE_VALUE if in RTL mode.
11215 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11216 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11218 2006-01-20 Dirk Mueller <dmueller@suse.com>
11221 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11222 instead of a special NOP marker.
11223 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11224 NOP marker handling.
11225 * c-common.h (empty_body_warning): Add forward declaration.
11226 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11227 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11229 2006-01-20 Paul Brook <paul@codesourcery.com>
11231 * Makefile.in (lang_checks): Keep going if mkdir fails.
11233 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11235 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11236 be able to clean out basic block when not necessary.
11237 (df_scan_free): Fixed to properly delete information if df is
11238 unused before calling df_finish.
11239 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11240 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11242 (df_bb_refs_delete): New function.
11243 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11244 * df-core.c (df_set_blocks): Added code to properly clean out
11245 unused blocks if they are not part of the blocks to consider.
11246 Added additional null check.
11247 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11248 be able to clean out basic block when not necessary
11249 * df.h (df_free_bb_function): Ditto.
11250 (df_bb_refs_delete): New function.
11251 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11252 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11253 basic block parameter to be able to clean out basic block when not
11255 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11256 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11257 Fixed to properly delete information if df is unused before
11260 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11262 PR rtl-optimization/25799
11263 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11264 Corrected confluence operator to remove bits from op2 before oring
11265 with op1 rather than removing bits from op1.
11266 (df_ru_transfer_function): Corrected test on wrong bitmap which
11267 caused infinite loop. Both of these problems were introduced in
11268 the dataflow rewrite.
11270 2006-01-19 DJ Delorie <dj@redhat.com>
11272 * reload1.c (find_reload_regs): Note the details of reload
11273 failures in the dump file.
11274 (spill_failure): Likewise.
11276 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11278 * loop-iv.c: Include df.h and hashtab.h.
11279 (enum iv_grd_result): New enum.
11280 (DF_REF_IV, DF_REF_IV_SET): New macros.
11281 (struct biv_entry): New.
11282 (df, bivs): New global variables.
11283 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11284 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11286 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11287 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11288 analyzed_for_bivness_p, record_biv): New functions.
11289 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11290 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11291 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11293 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11295 (iv_number_of_iterations): Use new interface to iv analysis.
11296 * loop-unroll.c: Do not include varray.h.
11297 (analyze_iv_to_split_insn): Use new interface to iv
11299 * loop-unswitch.c (may_unswitch_on): Ditto.
11300 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11302 (df_bb_modify): Realloc tables to the new index.
11303 (df_find_use): New function.
11304 * df.h (df_find_use): Declare.
11305 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11307 * cfgloop.h (struct rtx_iv): Remove analysed field.
11308 (iv_get_reaching_def): Removed.
11309 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11310 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11311 (loop-iv.o): Add df.h and hashtab.h dependency.
11312 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11314 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11317 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11319 (__floatundisf, __floatundidf): Likewise.
11320 * libgcc2.h (IS_IBM_EXTENDED): Define.
11322 2006-01-19 DJ Delorie <dj@redhat.com>
11324 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11326 2006-01-19 Paul Brook <paul@codesourcery.com>
11328 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11329 as nothrow when unwinding tables are disabled.
11331 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11334 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11335 of bit-field" when in system header.
11337 2006-01-19 DJ Delorie <dj@redhat.com>
11339 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11340 the 16 bit shift limit of the m16c.
11342 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11345 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11346 * config/i386/i386.c (output_set_got): Output the label if we have one
11347 for the TARGET_DEEP_BRANCH_PREDICTION case.
11349 2006-01-19 Jan Hubicka <jh@suse.cz>
11350 H.J. Lu <hongjiu.lu@intel.com>
11351 Evandro Menezes <evandro.menezes@amd.com>
11353 * invoke.texi (generic): Document
11355 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11356 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11357 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11358 (x86_use_incdec, x86_pad_returns): New variables
11359 (TARGET_CPU_DEFAULT_generic): New constant
11360 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11361 (enum processor_type): Add generic32 and generic64.
11362 * i386.md (cpu attribute): Add generic32/generic64
11363 (movhi splitter): Behave sanely when both partial_reg_dependency and
11364 partial_reg_stall are set.
11365 (K8 splitters): Enable for generic as well.
11366 * predicates.md (incdec_operand): Use TARGET_INCDEC
11367 (aligned_operand): Avoid memory mismatch stalls.
11368 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11369 * ppro.md: Enable for generic32
11370 * i386.c (generic64_cost, generic32_cost): New.
11371 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11372 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11373 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11374 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11375 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11376 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11377 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11378 x86_accumulate_outgoing_args, x86_prologue_using_move,
11379 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11380 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11381 Enable for generic.
11382 (x86_use_incdec, x86_pad_returns): New.
11383 (override_options): Add generic32 and generic64, translate "generic"
11384 to generic32/generic64 and "i686" to "generic32", refuse
11385 "generic32"/"generic64" as arch target.
11386 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11387 (ix86_reorg): Honor PAD_RETURNS.
11389 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11391 * tree-pretty-print.c (dump_generic_node): Handle
11392 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11393 * cgraph.c (cgraph_expand_queue): Rename from
11394 cgraph_analyze_queue. Update all users.
11395 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11396 cgraph_expand_queue.
11397 (cgraph_expand_all_functions): Likewise.
11398 (cgraph_finalize_pending_functions): Remove. Update callers.
11400 * tree.h (OMP_DIRECTIVE_P): Define.
11401 (OMP_PARALLEL_FN): Define.
11402 (OMP_PARALLEL_DATA_ARG): Define.
11403 (OMP_SECTIONS_SECTIONS): Define.
11404 * tree-pass.h (pass_expand_omp): Declare.
11405 * omp-low.c (struct omp_region): Declare.
11406 (struct omp_context): Remove fields 'parallel_type',
11407 'parallel_start_ix' and 'parallel_start_additional_args'.
11409 (struct omp_for_data): Rename from struct expand_omp_for_data.
11410 (omp_regions): New static variable.
11411 (root_omp_region): New static variable.
11412 (find_omp_clause): Make static.
11413 (is_in_combined_parallel_ctx): Remove.
11414 (is_combined_parallel): New.
11415 (extract_omp_for_data): Move earlier in the file.
11416 (workshare_safe_to_combine_p): New.
11417 (get_ws_args_for): New.
11418 (determine_parallel_type): Move earlier in the file.
11419 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11421 (omp_copy_decl): Likewise.
11422 (create_omp_child_function): Likewise.
11423 (lookup_omp_region): New.
11424 (dump_omp_region): New.
11425 (debug_omp_region): New.
11426 (debug_all_omp_regions): New.
11427 (new_omp_region): New.
11428 (scan_omp_parallel): If parallel_nesting_level > 1, the
11429 directive is nested within another parallel directive.
11430 Set OMP_PARALLEL_FN.
11431 (scan_omp_for): Do not try to handle combined parallel+for
11433 Remove FIXME comment.
11434 (scan_omp_nested): Remove.
11435 (scan_omp_1): Do not call scan_omp_nested when
11436 parallel_nesting_level is > 1.
11437 Do not change the DECL_CONTEXT of local variables found.
11438 (lookup_decl_in_outer_ctx): New.
11439 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11440 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11441 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11442 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11443 If CTX is nested, lookup VAR in the outer context when
11444 building copy assignment.
11445 (lower_send_clauses): Rename from expand_send_clauses.
11446 If CTX is nested, lookup VAR in the outer context when
11447 building copy assignments.
11448 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11449 If CTX is nested, lookup VAR in the outer context when
11450 building copy assignments.
11451 (expand_parallel_call): Rename from build_parallel_call.
11452 Handle combined parallel+workshare cases.
11453 Re-implement to emit code into the CFG.
11455 (expand_omp_parallel): Re-implement to emit code into the CFG.
11456 Call move_sese_region_to_fn to outline the sub-graph
11457 containing the parallel region.
11458 (expand_omp_for_1): Remove.
11459 (expand_omp_for_generic): Re-implement to emit code into the
11461 (expand_omp_for_static_nochunk): Likewise.
11462 (expand_omp_for_static_chunk): Likewise.
11463 (expand_omp_for): Likewise.
11464 (expand_omp_sections): Likewise.
11465 (remove_exit_barriers): New.
11466 (expand_omp_synch): New.
11468 (build_omp_regions_1): New.
11469 (build_omp_regions): New.
11470 (execute_expand_omp): New.
11471 (gate_expand_omp): New.
11472 (pass_expand_omp): Define.
11473 (lower_omp_sections): Rename from expand_omp_sections.
11474 Set OMP_SECTIONS_SECTIONS.
11475 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11476 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11477 (lower_omp_single): Rename from expand_omp_simple.
11478 (lower_omp_master): Rename from expand_omp_master.
11479 (lower_omp_ordered): Rename from expand_omp_ordered.
11480 (lower_omp_critical): Rename from expand_omp_critical.
11481 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11482 (lower_omp_for): Re-implement.
11483 (lower_omp_parallel): Re-implement.
11484 (lower_regimplify): Rename from expand_regimplify.
11485 (lower_omp_1): Rename from expand_omp_1.
11486 If there are syntax errors in the program, replace every
11487 OpenMP directive with NOP.
11488 Call lower_omp_* instead of expand_omp_*.
11489 (lower_omp): Rename from expand_omp.
11491 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11492 * tree-gimple.h (enum omp_parallel_type): Remove.
11493 (gimple_boolify): Declare extern.
11494 (find_omp_clause, determine_parallel_type): Remove.
11496 * gimple-low.c (lower_omp_directive): New.
11497 (lower_stmt): Call it.
11498 (record_vars_into): Move from ...
11499 (record_vars): ... here.
11500 Call record_vars_into with current_function_decl.
11502 * gimplify.c (struct gimplify_ctx): Remove fields
11503 combined_pre_p and combined_ctxp. Update users.
11504 (get_formal_tmp_var): Add documentation.
11505 (gimple_boolify): Make extern.
11506 (gimplify_expr_in_ctx): Remove. Update callers.
11507 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11508 will always be a BIND_EXPR.
11509 (gimplify_expr): Handle OMP_RETURN_EXPR.
11510 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11511 (OMP_PARALLEL): Add 3 operands.
11512 (OMP_SECTIONS): Add 1 operand.
11513 (OMP_RETURN_EXPR): Define.
11515 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11516 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11517 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11518 creating a circular free list.
11519 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11521 * tree-flow.h (move_sese_region_to_fn): Declare.
11522 (record_vars_into): Declare.
11523 * tree-cfg.c (make_omp_sections_edges): New.
11524 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11525 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11526 OMP_SECTIONS and OMP_SECTION.
11527 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11528 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11529 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11530 (gather_blocks_in_sese_region): New.
11531 (struct move_stmt_d): Declare.
11532 (move_stmt_r): New.
11533 (move_block_to_fn): New.
11534 (move_sese_region_to_fn): New.
11536 * passes.c (init_optimization_passes): Schedule
11537 pass_expand_omp after pass_init_datastructures.
11539 * tree-ssa-operands.c (get_expr_operands): Handle
11540 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11541 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11543 2006-01-19 Jeff Law <law@redhat.com>
11545 * tree-vrp.c (extract_range_from_assert): Refine the result range
11546 if the variable referenced by the ASSERT_EXPR has a range and
11547 either the tentative result range or the previous range is a
11550 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11552 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11554 2006-01-19 Jan Hubicka <jh@suse.cz>
11556 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11558 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11560 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11561 (expand_compound_operation, expand_field_assignment): Fail if the
11562 bit lengths of an extract operation are out of range.
11563 (make_extraction): Compute wanted_inner_mode based on the position
11564 and length of the extraction. Make it extraction_mode for non-constant
11565 positions, and do not modify offset in that case. When generating a
11566 new MEM, use a mode that can hold the extraction while keeping correct
11567 alignment. Remove code that supported MEMs wrapped by USEs.
11568 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11570 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11572 * config/s390/s390.md ("Y", "y"): New mode attribute.
11573 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11574 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11575 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11576 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11577 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11578 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11579 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11580 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11581 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11582 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11583 "addsi3", "subsi3"): Insn patterns removed.
11584 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11585 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11586 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11587 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11588 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11589 "*sub<mode>3_cconly2"): New insn patterns.
11590 ("addsi3", "subsi3"): New expanders.
11592 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11594 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11595 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11596 existing STMT_VINFO_VECTYPE if available.
11597 (vect_mark_relevant): Add special handling for stmts that are
11598 marked as STMT_VINFO_IN_PATTERN_P.
11599 (vect_analyze_loop): Call vect_pattern_recog.
11600 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11601 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11603 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11604 (vect_recog_func_ptr): New function-pointer type.
11605 * tree-vect-patterns.c: New file.
11606 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11607 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11608 (vect_pattern_recog_1): New functions.
11609 (vect_pattern_recog_funcs): New array of function pointers.
11611 * tree-vectorizer.h (ternary_op): New enum value.
11612 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11613 declaration. Revised documentation. Removed redundant dump prints.
11614 Removed redundant argument. Added support for reduction patterns.
11615 (vectorizable_reduction): Added support for reduction patterns.
11616 (vect_transform_stmt): Added support for patterns.
11618 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11619 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11620 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11621 (expand_widen_pattern_expr): New function.
11622 (init_optabs): Initialize new optabs udot_prod_optab,
11624 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11625 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11626 (expand_widen_pattern_expr): New function declaration.
11627 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11629 * tree-inline.c (estimate_num_insns_1): Added cases for new
11630 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11631 * tree-pretty-print.c (dump_generic_node): Likewise.
11632 (op_prio): Likewise.
11633 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11634 * tree-ssa-operands.c (get_expr_operands): Added case for
11636 * tree-vect-patterns.c (widened_name_p): New function.
11637 (vect_recog_dot_prod_pattern): Added function implementation.
11638 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11639 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11640 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11641 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11643 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11644 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11645 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11646 (init_optabs): Initialize new optabs widen_ssum_optab,
11648 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11649 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11650 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11651 use instead of type of def.
11652 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11653 function implementation.
11654 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11655 widen_ssumv8hi): New.
11657 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11660 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11663 * c-decl.c (add_flexible_array_elts_to_size): New function.
11664 (finish_decl): Use it.
11666 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11668 * diagnostic.h: Include options.h.
11669 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11670 dependancies for diagnostic.h.
11671 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11673 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11675 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11676 (ssa_ro_call_cache_valid): Ditto.
11677 * tree-ssa-alias.c (sort_tags_by_id): New function.
11678 (init_transitive_clobber_worklist): Ditto.
11679 (add_to_worklist): Ditto.
11680 (mark_aliases_call_clobbered): Ditto.
11681 (compute_tag_properties): Ditto.
11682 (set_initial_properties): Ditto.
11683 (compute_call_clobbered): Ditto.
11684 (compute_may_aliases): Call compute_call_clobbered and grouping.
11685 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11686 (compute_flow_insensitive_aliasing): Grouping now happens in our
11688 (setup_pointers_and_addressables): Remove clobbering related code.
11689 (add_may_alias): Ditto.
11690 (replace_may_alias): Ditto.
11691 (get_nmt_for): Ditto.
11692 (create_global_var):
11693 (is_escape_site): Return an escape_type enumeration.
11694 * tree-flow-inline.h (is_call_clobbered): Global var does not
11695 imply call clobbered.
11696 (mark_call_clobbered): Take a reason for marking this. Remove
11697 marking of globalness, and cache invalidation.
11698 (clear_call_clobbered): Remove cache invalidation code.
11699 * tree-dfa.c (dump_variable): If details is on, dump the reason
11701 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11703 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11704 (struct var_ann_d): Ditto.
11705 (enum escape_type): New.
11706 (mark_call_clobbered): Adjust prototype.
11707 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11708 are never call clobbered.
11709 Record reasons for escaping.
11710 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11711 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11712 (ssa_ro_call_cache_valid): Ditto.
11713 (clobbered_v_may_defs): Ditto.
11714 (clobbered_vuses): Ditto.
11715 (ro_call_vuses): Ditto.
11716 (clobber_stats): New.
11717 (init_ssa_operands): Zero out clobber stats.
11718 (fini_ssa_operands): Print out clobber stats.
11719 (get_call_expr_operands): Pass callee fndecl to
11720 add_call_read_ops).
11721 (add_call_clobber_ops): Remove use of cache.
11722 Add use of PURE_CONST information.
11723 (add_call_read_ops): Remove use of cache.
11724 Add use of static not_read information.
11726 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11728 Introduce TLS descriptors for i386 and x86_64.
11729 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11730 (TARGET_ANY_GNU_TLS): New macro.
11731 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11732 (struct machine_function): Add tls_descriptor_call_expanded_p.
11733 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11734 (ix86_current_function_calls_tls_descriptor): Likewise.
11735 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11736 (override_options): Introduce gnu2 tls dialect.
11737 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11739 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11741 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11742 (ix86_init_machine_status): Initialize new field.
11743 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11744 (ix86_tls_module_base): New.
11745 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11746 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11747 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11748 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11749 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11750 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11751 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11752 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11753 * config/i386/predicates.md (tls_modbase_operand): New.
11754 (tp_or_register_operand): New.
11756 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11758 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11759 (look_for_address_of): Ditto.
11760 (ipa_init): Walk the function decls.
11761 (static_execute): Don't set readonly on FUNCTION_DECL's.
11763 2006-01-18 Roger Sayle <roger@eyesopen.com>
11765 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11766 for shifts where the source and destination registers are different.
11768 2006-01-18 Paul Brook <paul@codesourcery.com>
11770 Merge from csl-arm-branch.
11771 2005-03-14 Julian Brown <julian@codesourcery.com>
11772 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11773 (aeabi_llsl): Likewise.
11774 (ashrdi3): Likewise.
11775 (aeabi_lasr): Likewise.
11776 (lshrdi3): Likewise.
11777 (aeabi_llsr): Likewise.
11778 2005-03-10 Julian Brown <julian@codesourcery.com>
11779 * config.gcc: Disable shared libgcc for SymbianOS.
11780 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11782 2006-01-18 DJ Delorie <dj@redhat.com>
11784 * c-pragma.c (handle_pragma_diagnostic): New.
11785 (init_pragma): Register it.
11786 * doc/extend.texi: Document it.
11788 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11789 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11790 (diagnostic_context): Add classify_diagnostic[].
11791 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11792 as errors if they're overridden to DK_WARNING.
11793 (diagnostic_initialize): Initialize classify_diagnostic[].
11794 (diagnostic_set_kind_override): New.
11795 (diagnostic_report_diagnostic): Check for kind changes.
11796 * opts.c (common_handle_option): Take lang_mask. Update callers.
11797 Handle OPT_Werror_.
11798 * common.opt (Werror=): New.
11799 * doc/invoke.texi: Document -Werror=*
11801 2006-01-18 Jeff Law <law@redhat.com>
11803 * tree-vrp.c (test_for_singularity): Correct test for new
11804 min limit. Use operand_equal_p rather than pointer equality
11805 for testing if new min/max values are equal.
11807 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11808 using range information until after propagation and folding.
11810 2006-01-18 Richard Henderson <rth@redhat.com>
11811 Aldy Hernandez <aldyh@redhat.com>
11812 Jakub Jelinek <jakub@redhat.com>
11813 Diego Novillo <dnovillo@redhat.com>
11815 * omp-low.c: New file.
11816 * c-omp.c: New file.
11818 2006-01-18 Richard Henderson <rth@redhat.com>
11819 Jakub Jelinek <jakub@redhat.com>
11820 Diego Novillo <dnovillo@redhat.com>
11822 * doc/invoke.texi: Document -fopenmp.
11823 * tree-dump.h (debug_function): Declare.
11824 * hooks.c (hook_bool_tree_bool_false): New function.
11825 (hook_tree_tree_null): Remove.
11826 (hook_tree_tree_tree_null): New.
11827 * hooks.h: Update to match.
11828 * tree-pretty-print.c (debug_tree_chain): New.
11829 (print_generic_expr): Handle TDF_CHAIN.
11830 (dump_generic_node): Handle BLOCK.
11831 Do not abort with incomplete SWITCH_EXPRs.
11832 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11833 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11834 print space after directive name.
11835 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11836 Handle OMP_MASTER and OMP_ORDERED.
11837 Handle printing of OMP_BODY just in one place, goto
11838 dump_omp_body in the rest of OMP_* nodes that have
11840 Don't handle clause nodes here. Update omp statements to
11841 use dump_omp_clauses.
11842 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11843 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11844 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11845 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11846 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11847 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11848 Adjust output for GOMP_PARALLEL.
11849 (dump_omp_clauses): New.
11850 (print_declaration): Dump DECL_VALUE_EXPR.
11851 (op_symbol_1): Split out of op_symbol.
11852 (dumping_stmts): Remove. Update all users.
11853 * cgraph.c (cgraph_analyze_queue): New.
11854 (cgraph_add_new_function): New.
11855 * cgraph.h (cgraph_analyze_queue): Declare.
11856 (cgraph_add_new_function): Declare.
11857 (cgraph_lower_function): Remove.
11858 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11859 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11860 and TYPE_P nodes in its default clause.
11861 (empty_body_p): New.
11862 (tree_range_check_failed): New.
11863 (build5_stat): New.
11864 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11865 OMP_CLAUSE_REDUCTION_MERGE,
11866 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11867 OMP_CLAUSE_PRIVATE_DEBUG,
11868 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11869 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11870 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11871 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11872 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11873 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11874 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11875 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11876 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11877 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11878 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11879 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11880 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11881 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11882 (TREE_RANGE_CHECK): New.
11883 (empty_body_p): Declare.
11884 (enum omp_clause_default_kind): New.
11885 (build_string_literal): Declare.
11886 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11887 (build5_stat, build5): Declare.
11888 * tree-pass.h (TDF_CHAIN): Define.
11889 * tree-pass.h (PROP_gimple_lomp): Define.
11890 (pass_lower_omp): Declare.
11891 * diagnostic.h (debug_tree_chain): Declare.
11892 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11894 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11895 * builtins.c (build_string_literal): Make extern.
11896 * gcc.c (include_spec_function): New.
11897 (static_spec_functions): Add it.
11898 (main): Move load of libgomp.spec ...
11899 (LINK_COMMAND_SPEC): ... here.
11900 (link_gomp_spec): New.
11901 (static_specs): Include it.
11902 (LINK_COMMAND_SPEC): Add link_gomp.
11903 (GOMP_SELF_SPECS): New.
11904 (driver_self_specs): Include it.
11905 (switch_matches): Don't mark inline.
11906 (main): Load libgomp.spec.
11907 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11908 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11909 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11910 * tree-gimple.h (enum omp_parallel): Declare.
11911 (determine_parallel_type): Declare.
11912 (omp_firstprivatize_variable): Declare.
11913 (omp_reduction_init): Declare.
11914 (diagnose_omp_structured_block_errors): Declare.
11915 (struct walk_stmt_info): Add want_return_expr.
11916 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11917 (find_omp_clause): Declare.
11918 (insert_field_into_struct): Declare.
11919 (struct walk_stmt_info): Move from tree-nested.c
11920 (walk_stmts): Declare.
11921 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11923 * cgraphunit.c (cgraph_lower_function): Make static.
11924 (cgraph_finalize_pending_functions): New.
11925 (cgraph_finalize_function): Call it.
11926 (cgraph_finalize_compilation_unit): Likewise.
11927 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11928 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11929 (BT_FN_UINT_UINT): New.
11930 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11931 DEF_FUNCTION_TYPE_VAR_4): Document.
11932 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11933 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11934 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11935 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11936 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11937 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11938 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11939 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11940 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11941 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11942 into separate files.
11943 (DEF_GOMP_BUILTIN): New.
11944 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11945 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11946 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11947 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11948 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11949 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11950 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11951 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11952 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11953 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11954 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11955 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11956 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11957 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11958 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11959 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11960 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11961 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11962 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11963 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11964 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11965 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11966 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11967 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11968 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11969 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11970 * sync-builtins.def: New file, moved from builtins.def.
11971 * omp-builtins.def: New file, moved from builtins.def.
11972 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11973 * gimple-low.c (lower_function_body): Clear data.
11974 (lower_stmt): Do not handle COMPOUND_EXPR.
11975 Remove call to print_node_brief.
11976 * c-tree.h (c_finish_omp_clauses): New prototype.
11977 (C_DECL_THREADPRIVATE_P): Define.
11978 (lookup_name_no_remap, c_omp_remap_private): Remove
11979 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11980 (check_for_loop_decls): Update decl.
11981 (lookup_name_no_remap, c_omp_remap_private): Declare.
11982 (build_indirect_ref, build_modify_expr, pushdecl,
11983 pushdecl_top_level): Move to c-common.h.
11984 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11985 before the switch, but just in the 2 places that need it.
11986 * c-decl.c (diagnose_mismatched_decls): Do not check for
11987 mismatched thread-local attributes when OLDDECL is marked
11988 threadprivate and NEWDECL has no thread-local attributes.
11989 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11990 (c_gimple_diagnostics_recursively): Rename from
11991 c_warn_unused_result_recursively. Invoke
11992 diagnose_omp_structured_block_errors.
11993 (check_for_loop_decls): Return a singular decl found.
11994 * langhooks.c (lhd_omp_predetermined_sharing): Return
11995 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11996 (lhd_omp_firstprivatize_type_sizes): New.
11997 (lhd_omp_assignment): New.
11998 (lhd_omp_predetermined_sharing): New.
11999 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12000 (struct lang_hooks_for_types): Add
12001 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12002 omp_predetermined_sharing, omp_disregard_value_expr,
12003 omp_private_debug_clause, omp_clause_default_ctor,
12004 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12005 (c_finish_omp_clauses): New.
12006 (c_finish_bc_stmt): Diagnose break within omp for.
12007 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12008 (build_unary_op): Return error_mark after reporting
12010 (build_modify_expr): Likewise.
12011 * gimplify.c: Include optabs.h and pointer-set.h.
12012 (enum gimplify_omp_var_data): Declare.
12013 (struct gimplify_omp_ctx): Declare.
12014 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12016 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12017 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12018 (splay_tree_compare_decl_uid): New.
12019 (new_omp_context): New.
12020 (delete_omp_context): New.
12021 (gimple_add_tmp_var): Call omp_add_variable.
12022 (gimplify_bind_expr): Likewise.
12023 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12024 true, disregard DECL_VALUE_EXPR on the decl if any.
12025 (gimplify_expr_in_ctx): New.
12026 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12027 omp_add_variable, omp_notice_variable, omp_is_private
12028 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12029 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12030 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12031 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12032 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12033 gimplify_omp_atomic): New.
12034 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12035 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12036 OMP_CRITICAL and OMP_ATOMIC.
12037 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12038 * c-pragma.h (enum pragma_kind): Add
12039 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12040 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12041 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12042 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12043 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12044 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12045 PRAGMA_OMP_THREADPRIVATE.
12046 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12047 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12048 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12049 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12050 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12051 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12052 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12053 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12054 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12055 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12056 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12057 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12058 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12060 (struct nesting_info): Add field_map,
12061 suppress_expansion, debug_var_chain.
12062 (create_nesting_tree): Initialize them.
12063 (lookup_field_for_decl): Use field_map.
12064 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12065 (convert_local_omp_clauses): New.
12066 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12067 (walk_body): Split out of walk_function.
12068 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12069 (convert_nonlocal_reference): Handle omp statements.
12070 (convert_local_reference): Likewise.
12071 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12072 (unnest_nesting_tree): New.
12073 (lower_nested_functions): Call it.
12074 (insert_field_into_struct): Make extern.
12075 (struct walk_stmt_info): Move to tree-gimple.h.
12076 (walk_stmts): Make extern.
12077 * omp-builtins.def: New file.
12078 * tree-iterator.c (expr_only): Clarify comment.
12079 * c-common.h (pushdecl_top_level, pushdecl,
12080 build_modify_expr, build_indirect_ref,
12081 c_finish_omp_master, c_finish_omp_critical,
12082 c_finish_omp_ordered, c_finish_omp_barrier,
12083 c_finish_omp_atomic, c_finish_omp_flush,
12084 c_finish_omp_for, c_split_parallel_clauses,
12085 omp_clause_default_kind, c_omp_sharing_predetermined,
12086 c_omp_remap_decl): Declare.
12087 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12088 (OBJS-common): Add omp-low.o.
12089 (c-omp.o, omp-low.o): Add.
12090 (gimplify.o): Add dependency on $(OPTABS_H).
12091 (GTFILES): Add omp-low.c.
12092 (gt-stringpool.h): Add.
12093 * tree-cfg.c (set_bb_for_stmt): Do not update the
12094 block-to-labels map if we are currently expanding to RTL.
12095 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12097 Handle IDENTIFIER_NODE.
12098 (tree_verify_flow_info): Do not ICE when emitting error
12099 messages about invalid labels.
12100 (dump_function_to_file): Reset CFUN before emitting the body
12102 (debug_function): New.
12103 * passes.c (init_optimization_passes): Schedule
12105 * langhooks-def.h (lhd_omp_predetermined_sharing,
12106 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12108 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12109 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12110 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12111 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12112 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12113 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12114 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12115 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12116 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12117 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12118 (LANG_HOOK_DECLS): Use them.
12120 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12121 Richard Henderson <rth@redhat.com>
12122 Jakub Jelinek <jakub@redhat.com>
12123 Diego Novillo <dnovillo@redhat.com>
12125 * c-parser.c (pragma_omp_clause): Define.
12126 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12127 (c_parser_compound_statement): Likewise.
12128 (c_parser_statement): Likewise.
12129 (c_parser_pragma): Handle omp pragmas.
12130 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12131 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12132 (c_parser_omp_clause_name, check_no_duplicate_clause,
12133 c_parser_omp_variable_list,
12134 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12135 c_parser_omp_clause_copyprivate,
12136 c_parser_omp_clause_default,
12137 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12138 c_parser_omp_clause_lastprivate,
12139 c_parser_omp_clause_nowait,
12140 c_parser_omp_clause_num_threads,
12141 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12142 c_parser_omp_clause_reduction,
12143 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12144 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12145 c_parser_omp_atomic, c_parser_omp_barrier,
12146 c_parser_omp_critical, c_parser_omp_flush,
12147 c_parser_omp_for_loop, c_parser_omp_for,
12148 c_parser_omp_master, c_parser_omp_ordered,
12149 c_parser_omp_sections_scope, c_parser_omp_sections,
12150 c_parser_omp_parallel, c_parser_omp_single,
12151 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12152 * c-pragma.c (init_pragma): Do omp pragma registration here.
12153 * c.opt (fopenmp): New flag.
12155 2006-01-18 Eric Christopher <echristo@apple.com>
12157 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12158 * config/darwin.h (GOMP_SELF_SPECS): Define.
12160 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12162 * rtl.h: Remove the prototype for reg_alloc.
12164 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12167 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12168 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12169 sjlj and dwarf2 exception handling.
12170 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12171 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12172 * pa/pa.c (function_value): Treat complex and vector types as
12174 (function_arg): Likewise. Only pass scalar floats in the floating
12175 point argument registers.
12176 * pa/t-slibgcc-dwarf-ver: New file.
12177 * pa/t-slibgcc-sjlj-ver: New file.
12178 * pa/t-slibgcc-elf-ver: Delete file.
12180 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12182 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12183 unlikely_test_section_p test.
12185 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12187 * mode-switching.c (optimize_mode_switching): Make it static.
12188 * basic-block.h: Remove the prototype for
12189 optimize_mode_switching.
12191 * modulo-sched.c (sms_schedule): Make it static.
12192 * rtl.h: Remove the prototype for sms_schedule.
12194 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12195 * rtl.h: Remove the prototype for gcse_after_reload_main.
12197 * reg-stack.c (reg_to_stack): Make it static.
12198 * rtl.h: Remove the prototype for reg_to_stack.
12200 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12202 * rtl.h: Remove the prototypes for regrename_optimize and
12203 copyprop_hardreg_forward.
12205 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12207 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12208 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12209 Test against the appropriate null constant for the mode.
12210 If 'fixup_overlap' is true, swap the operands if they overlap.
12211 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12212 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12213 alpha_split_tmode_pair and adjust for above change.
12214 * config/alpha/alpha.md (movtf_internal): Adjust call to
12215 alpha_split_tfmode_pair and rely on it to swap the operands.
12216 (movti_internal): New insn and post-reload splitter.
12217 (movti): New expander.
12219 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12221 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12224 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12226 * rtlanal.c (global_reg_mentioned_p_1,
12227 global_reg_mentioned_p): Remove.
12228 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12230 * flow.c (initialize_uninitialized_subregs): Make it static.
12231 * rtl.h: Remove the prototype for
12232 initialize_uninitialized_subregs.
12234 * function.c (instantiate_virtual_regs): Make it static.
12235 * function.h: Remove the prototype for
12236 instantiate_virtual_regs.
12238 * regmove.c (regmove_optimize, combine_stack_adjustments):
12240 * rtl.h: Remove the prototypes for regmove_optimize and
12241 combine_stack_adjustments.
12243 2006-01-17 Roger Sayle <roger@eyesopen.com>
12245 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12246 (size_cost): Encode costs in bytes so that a reg-reg addition is
12247 equivalent to COSTS_N_INSNS(1).
12248 (override_options): Use the size_cost.branch_cost as the default
12249 ix86_branch_cost when optimizing for size.
12251 2006-01-18 Ben Elliston <bje@au.ibm.com>
12253 * Makefile.in (D32PBIT_FUNCS): New.
12254 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12255 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12256 D64PBIT_FUNCS and D128PBIT_FUNCS.
12257 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12258 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12260 (decnumber_dep): Define.
12261 * doc/libgcc.texi (Decimal float library routines): New node.
12262 * config/dfp-bit.h, config/dfp-bit.c: New files.
12264 2006-01-18 Ben Elliston <bje@au.ibm.com>
12266 * expr.c (emit_move_change_mode): Always adjust addresses, not
12267 just during reload. Copy replacements only during reload.
12268 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12269 emit_move_via_integer.
12271 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12273 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12274 instead of $(srcdir) and ${srcdir}.
12276 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12279 PR middle-end/11135
12280 * arm.h (struct machine_function): Add pic_reg.
12281 * arm.c (arm_pic_register): Make unsigned.
12282 (arm_override_options): Only set arm_pic_register if
12283 TARGET_SINGLE_PIC_BASE.
12284 (use_return_insn): Only test for a pic register if it is fixed.
12285 (arm_compute_save_reg0_reg12_mask): Likewise.
12286 (thumb_compute_save_reg_mask): Likewise.
12287 (legitimate_pic_operand): Factor out some known invariants.
12288 (legitimize_pic_address): If we don't have a fixed pic register,
12289 then set up a pseudo in the function entry sequence. Handle the
12290 pic base being in a pseudo.
12291 (arm_load_pic_register): Handle the pic register being in a pseudo.
12292 (arm_expand_prologue): Only set up the pic register if it is fixed.
12293 (thumb_expand_prologue): Likewise.
12294 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12295 (pic_load_addr_based_insn): Likewise.
12296 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12299 2006-01-18 Ben Elliston <bje@au.ibm.com>
12301 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12302 decimal float modes for all floating point registers.
12304 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12305 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12307 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12310 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12311 even when the pointer is not NULL.
12313 2006-01-16 Ian Lance Taylor <ian@airs.com>
12315 * common.opt (ftoplevel-reorder): New option.
12316 * cgraph.c (cgraph_asm_nodes): New global variable.
12317 (cgraph_asm_last_node): New static variable.
12318 (cgraph_order): New global variable.
12319 (cgraph_create_node): Set new order field.
12320 (cgraph_varpool_node): Likewise.
12321 (decide_is_variable_needed): Return true if not
12322 flag_toplevel_reorder.
12323 (cgraph_add_asm_node): New function.
12324 * cgraph.h (struct cgraph_node): Add order field.
12325 (struct cgraph_varpool_node): Add order field.
12326 (struct cgraph_asm_node): Define.
12327 (cgraph_asm_nodes, cgraph_order): Declare.
12328 (cgraph_add_asm_node): Declare.
12329 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12331 (cgraph_varpool_assemble_pending_decls): Call it.
12332 (cgraph_output_pending_asms): New static function.
12333 (cgraph_finalize_compilation_unit): Call it.
12334 (struct cgraph_order_sort): Define.
12335 (cgraph_output_in_order): New static function.
12336 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12337 !flag_toplevel_reorder case.
12338 * c-parser.c: Include "cgraph.h".
12339 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12341 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12342 than -fno-unit-at-a-time.
12343 * doc/invoke.texi (Option Summary): Mention
12344 -fno-toplevel-reorder.
12345 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12346 -funit-at-a-time documentation.
12348 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12349 Kazu Hirata <kazu@codesourcery.com>
12351 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12353 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12355 * Makefile.in (FUNCTION_H): New. Use it instead of
12356 function.h throughout the file.
12357 * function.h: Include tree.h.
12359 2006-01-17 Ben Elliston <bje@au.ibm.com>
12361 * recog.c: Separate some functions with whitespace.
12363 2006-01-16 Richard Henderson <rth@redhat.com>
12365 Merge from gomp branch:
12366 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12367 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12368 and rename from struct inline_data. Rename callee* to dst*;
12369 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12370 transform_new_cfg, transform_return_to_modify, and
12371 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12373 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12374 (copy_decl_for_dup): Remove.
12375 * tree-inline.c (struct inline_data): Move to header.
12376 (insert_decl_map): Export.
12377 (remap_decl): Update for member name changes. Use copy_decl hook.
12378 Allow for replacement to be a non-decl. Remove dead code.
12379 (remap_type_1): Check for existing mapping.
12380 (remap_type): Export.
12381 (remap_decls): Update for member name changes.
12382 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12383 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12384 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12385 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12386 (tree_function_versioning, build_duplicate_type): Likewise.
12387 (copy_body_r): Likewise. Export.
12388 (copy_decl_for_dup): Split into ...
12389 (copy_decl_for_dup_finish, copy_decl_to_var,
12390 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12391 (replace_ref_tree, inlining_p): Remove.
12393 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12395 * ifcvt.c (if_convert): Make it static.
12396 * rtl.h: Remove the prototype for if_convert.
12398 * local-alloc.c (local_alloc): Make it static.
12399 * rtl.h: Remove the prototype for local_alloc.
12401 * loop.c (loop_optimize): Make it static.
12402 * cfgloop.h: Remove the prototype for loop_optimize.
12405 2006-01-16 DJ Delorie <dj@redhat.com>
12407 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12410 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12412 * pa.md: Disparage copies between general and floating-point registers
12413 in 32-bit move patterns.
12415 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12418 * Makefile.in (check-%): Depend on site.exp instead of
12419 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12422 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12424 * global.c (global_alloc): Make it static.
12425 * rtl.h: Remove the prototype for global_alloc.
12427 2006-01-16 Richard Guenther <rguenther@suse.de>
12429 * tree-ssa-alias.c (struct used_part): Add write_only field.
12430 (get_or_create_used_part_for): Initialize it to true.
12431 (create_overlap_variables_for): Don't create structure variables
12432 for structures that only are written to.
12433 (find_used_portions): Handle MODIFY_EXPR to track whether a
12434 structure is only written to.
12436 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12438 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12440 * basic-block.h: Remove the prototype for
12441 partition_hot_cold_basic_blocks.
12443 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12445 * cppspec.c (lang_specific_spec_functions): Remove.
12446 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12447 * gcc.h (lang_specific_spec_functions): Remove.
12448 * gccspec.c (lang_specific_spec_functions): Remove.
12450 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12452 * combine.c (record_value_for_reg): Invalidate registers
12454 (record_dead_and_set_regs_1): Likewise, by passing them to
12455 record_value_for_reg.
12456 (record_dead_and_set_regs): Invalidate stores made by a
12457 call. We do not combine across a call, but we still
12458 relied on equivalences.
12460 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12462 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12463 vrp_int_const_binop returning non-constant nodes.
12465 2006-01-16 Paul Brook <paul@codesourcery.com>
12467 * config/m68k/m68k.c (output_move_const_into_data_reg):
12468 Output correct mnemonic for mvz and mvs.
12470 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12472 * rtl-factoring.c: Add sequence abstraction algorithm.
12473 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12474 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12476 (block_has_preserve_label): New function.
12477 * common.opt: Register new pass.
12478 * Makefile.in: Ditto.
12480 * timevar.def: Ditto.
12481 * tree-pass.h: Ditto.
12482 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12483 * rtl.h (make_jump_insn_raw): Add forward decl.
12484 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12486 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12487 Roger Sayle <roger@eyesopen.com>
12489 * fold-const.c (fold_minmax): New static function.
12490 (fold_binary) <MIN_EXPR>: Call it.
12491 <MAX_EXPR>: Likewise.
12492 * stor-layout.c (place_field): Use DECL_SIZE consistently
12493 in the computation of the new record size.
12495 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12497 * cse.c (cse_condition_code_reg): Make it static.
12498 * rtl.h: Remove the prototype for cse_condition_code_reg.
12500 * combine.c (combine_instructions): Make it static.
12501 * rtl.h: Remove the prototype for combine_instructions.
12503 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12506 * tree.c (get_file_function_name_long): Concatenate the first global
12507 object name with a string derived from the input filename of the object
12510 2006-01-16 Ben Elliston <bje@au.ibm.com>
12512 * config/i386/winnt-stubs.c: Update FSF address.
12513 * config/xtensa/ieee754-df.S: Ditto.
12514 * config/xtensa/ieee754-sf.S: Ditto.
12516 2006-01-14 Ian Lance Taylor <ian@airs.com>
12518 * ifcvt.c (noce_init_if_info): New static function, broken out of
12519 noce_process_if_block.
12520 (noce_process_if_block): Call noce_init_if_info.
12521 (check_cond_move_block): New static function.
12522 (cond_move_process_if_block): New static function.
12523 (process_if_block): Call cond_move_process_if_block.
12525 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12527 * cselib.c (hash_table): Rename to cselib_hash_table.
12528 (cselib_clear_table, discard_useless_values,
12529 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12530 cselib_init, cselib_finish): Adjust uses of hash_table.
12532 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12534 PR tree-optimization/25485
12535 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12536 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12537 is known to be false and true, respectively.
12539 2006-01-14 Richard Guenther <rguenther@suse.de>
12541 PR tree-optimization/22548
12542 PR tree-optimization/22555
12543 PR tree-optimization/22501
12544 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12545 * params.def (salias-max-array-elements): New parameter.
12546 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12547 * doc/invoke.texi (salias-max-array-elements): Document.
12548 * tree-flow-inline.h (var_can_have_subvars): We also handle
12550 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12552 * tree-ssa-structalias.c (params.h): Include.
12553 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12554 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12555 (get_constraint_for): For ADDR_EXPR operating on something
12556 containing an ARRAY_REF, add all subvars to the solution.
12557 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12558 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12559 for creating MUST_DEFs.
12560 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12562 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12564 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12566 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12567 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12568 number_of_iterations_le): New functions.
12569 (number_of_iterations_special): Removed.
12570 (number_of_iterations_exit): Do not use number_of_iterations_special.
12571 * tree.c (unsigned_type_for): Always return integer type.
12573 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12574 Richard Guenther <rguenther@suse.de>
12576 PR rtl-optimization/24257
12577 * gcse.c (find_moveable_store): Only consider a store movable
12578 when the SET_SRC of the insn can be assigned to a register.
12580 2006-01-14 Ian Lance Taylor <ian@airs.com>
12582 * tree.c (tree_not_class_check_failed): New function.
12583 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12584 (tree_not_class_check_failed): Declare.
12586 2006-01-13 Ian Lance Taylor <ian@airs.com>
12588 * reload1.c (do_output_reload): Add assertion rejecting a
12591 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12593 * combine.c (struct reg_stat): Add new fields truncation_label and
12595 (record_value_for_reg): Reset truncated_to_mode.
12596 (record_truncated_value): New function.
12597 (check_promoted_subreg): Call it. Rename to check_conversions.
12598 (combine_instructions): Rename check_promoted_subreg to
12600 (reg_truncated_to_mode): New function.
12601 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12602 (gen_lowpart_or_truncate): New function.
12603 (force_to_mode): Use it instead of gen_lowpart.
12605 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12607 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12608 VAR is a tag, not its type tag.
12610 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12612 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12613 alternatives to match style of other entries.
12614 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12616 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12618 PR tree-optimization/25771
12619 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12622 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12625 * tree-inline.c (declare_return_variable): If the return variable
12626 was marked as a non gimple complex, set the return slot variable
12627 to be a non gimple comple variable.
12629 2006-01-13 Richard Guenther <rguenther@suse.de>
12631 * builtins.c (expand_builtin_sincos): New function.
12632 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12634 (expand_builtin): Expand sincos using expand_builtin_sincos.
12636 2006-01-12 DJ Delorie <dj@redhat.com>
12638 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12639 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12640 so that constant shifts can be split.
12641 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12642 (m32c_valid_pointer_mode): Make static.
12643 (shift_gen_func_for): New.
12644 (m32c_prepare_shift): Use it. Split large const shifts into
12646 * config/m32c/predicates.md (shiftcount_operand): Allow more
12648 (longshiftcount_operand): New.
12649 * doc/md.texi (Machine Constraints): Document In6.
12651 2006-01-13 Ben Elliston <bje@au.ibm.com>
12653 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12654 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12657 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12659 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12660 to try to avoid clobbering pieces of structures when we know
12661 something about the whole structure.
12662 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12664 2006-01-13 Ben Elliston <bje@au.ibm.com>
12666 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12667 return in memory, as this is no limitation is no longer present.
12669 2006-01-12 DJ Delorie <dj@redhat.com>
12671 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12672 mova with fb, and for fb+0 -> An.
12674 * config/m32c/mov.md (peephole2): Fix enabling logic.
12676 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12677 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12678 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12679 FINI_ARRAY_SECTION_ASM_OP): Define.
12681 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12683 (m32c_legitimize_reload_address): New logic to reload FB to An.
12684 (m32c_output_reg_push): Add newline.
12685 (m32c_output_reg_pop): Likewise.
12687 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12689 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12691 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12693 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12695 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12697 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12700 2006-01-11 Ben Elliston <bje@au.ibm.com>
12702 * rtlanal.c (find_reg_note): Assert insn is not null.
12704 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12706 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12709 2006-01-11 Jeff Law <law@redhat.com>
12711 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12713 (mark_threaded_blocks, register_jump_thread): New functions.
12714 (thread_through_all_blocks): Remove unwanted argument. No
12715 longer rely on e->aux to communicate thread target info.
12716 Call mark_threaded_blocks. Release the threaded_blocks
12717 bitmap and threaded_edges vector when complete.
12718 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12719 (threaded_blocks): Remove.
12720 (tree_ssa_dominator_optimize): Remove initialization and
12721 finalization of threaded_blocks. Simplify call to
12722 thread_through_all_blocks.
12723 (thread_across_edge): Call register_jump_thread rather than
12724 storing thread information into e->aux.
12725 (free_all_edge_infos): Simplify now that e->aux is no longer
12726 used to communicate with thread_through_all_blocks.
12727 * tree-flow.h (thread_through_all_blocks): Update prototype.
12728 (register_jump_thread): Prototype.
12730 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12732 * df-core.c (df_compact_blocks, df_bb_replace): Use
12733 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12735 2006-01-11 Richard Guenther <rguenther@suse.de>
12737 PR tree-optimization/25734
12738 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12739 stop propagation after successful propagation to the LHS.
12741 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12743 * basic-block.h (control_flow_graph): Change the type of
12744 x_basic_block_info to VEC(basic_block,gc) *.
12745 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12747 (SET_BASIC_BLOCK): New.
12748 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12749 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12750 * cfgbuild.c (find_basic_blocks): Likewise.
12751 * cfglayout.c (fixup_reorder_chain): Likewise.
12752 * cfgrtl.c (create_basic_block_structure,
12753 rtl_create_basic_block): Likewise.
12754 * ifcvt.c (find_if_case_1): Likewise.
12755 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12758 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12760 * Makefile.in: Removed rotted odf.c entry.
12762 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12765 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12766 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12767 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12768 output pattern modifier, not %e.
12769 * config/cris/cris.c (cris_op_str): Update comment about pattern
12771 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12772 before falling through into...
12773 <case 'E'>: Redefined from old 'e' case.
12775 2006-01-11 Jan Hubicka <jh@suse.cz>
12778 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12780 2006-01-11 Jan Hubicka <jh@suse.cz>
12782 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12783 * i386.c (x86_decompose_lea): Kill.
12784 (ix86_rtx_costs): Kill.
12786 2006-01-11 Jan Hubicka <jh@suse.cz>
12788 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12789 * cgraph.h (cgraph_node): Add inline_decl.
12790 (cgraph_insert_node_to_hashtable): Declare.
12791 (save_inline_function_body): Declare.
12792 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12794 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12795 (cgraph_function_versioning): Update call of tree_function_versioning.
12796 (save_inline_function_body): New function.
12797 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12798 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12799 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12800 (cgraph_default_inline_p): Likewise.
12801 (cgraph_decide_inlining_incrementally): Likewise.
12802 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12803 (copy_bb): Kill saving; do updating of clones.
12804 (copy_cfg_body): Kill saving.
12805 (initialize_inlined-parameters): Likewise.
12806 (expand_call_inline): Likewise.
12808 (tree_function_versioning): New parameter "update_clones".
12809 (inlining_p): Kill saving.
12810 * tree-inline.h (tree_function_versioning): Update prototype.
12811 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12814 2006-01-11 Ian Lance Taylor <ian@airs.com>
12816 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12817 Allow undoing set of machine mode.
12818 (do_SUBST): Use enums instead of is_int.
12819 (do_SUBST_MODE): New function.
12820 (SUBST_MODE): New macro.
12821 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12822 reg and trying to replace reg_regno_rtx with a new register.
12823 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12824 (simplify_set): Use SUBST_MODE.
12825 (distribute_notes): Remove code that tried to update reg notes
12826 for regno_reg_rtx changes.
12828 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12830 PR tree-optimization/23109
12831 PR tree-optimization/23948
12832 PR tree-optimization/24123
12834 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12835 * tree-cfg.c (single_noncomplex_succ): New.
12836 * tree-flow.h (single_noncomplex_succ): Declare it.
12837 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12838 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12839 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12840 insert_bb, register_division_in, insert_reciprocals,
12841 replace_reciprocal, free_bb): New.
12842 (execute_cse_reciprocals_1): Rewritten.
12843 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12844 Do not commit any edge insertion. Always compute dominators and
12845 create the allocation pool.
12846 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12847 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12848 * targhooks.c (default_min_divistions_for_recip_mul): New.
12849 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12850 * passes.c (init_optimization_passes): Run recip after tree loop
12852 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12854 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12855 Kenneth Zadeck <zadeck@naturalbridge.com>
12857 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12858 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12859 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12860 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12861 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12862 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12863 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12864 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12865 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12866 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12867 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12868 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12869 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12870 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12871 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12872 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12873 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12874 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12875 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12876 DF_SCAN_POST_ALLOC): New macros.
12877 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12878 df_free_bb_function, df_local_compute_function, df_init_function,
12879 df_dataflow_function, df_confluence_function_0,
12880 df_confluence_function_n, df_transfer_function,
12881 df_finalizer_function, df_free_function, df_dump_problem_function,
12882 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12883 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12884 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12885 df_urec_bb_info, ) New types.
12886 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12888 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12889 df_analyze_simple_change_some_blocks,
12890 df_analyze_simple_change_one_block, df_compact_blocks,
12891 df_bb_replace, df_bb_regno_last_use_find,
12892 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12893 df_insn_regno_def_p, df_find_def, df_find_use,
12894 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12895 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12896 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12897 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12898 debug_df_chain, df_get_dependent_problem, df_chain_create,
12899 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12900 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12901 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12902 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12903 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12904 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12905 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12906 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12907 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12908 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12909 df_reorganize_refs, df_set_state, df_hard_reg_init,
12910 df_read_modify_subreg_p) New public functions.
12911 * df-core.c: The core dataflow solver and glue routines for rtl
12913 (df_init, df_add_problem, df_set_blocks, df_finish,
12914 df_hybrid_search_forward, df_hybrid_search_backward,
12915 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12916 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12917 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12918 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12919 df_reg_defined, df_find_use, df_reg_used, df_dump,
12920 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12921 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12922 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12923 debug_df_useno, reset_df_after_reload): New functions.
12924 * df-scan.c: The scanning fuctions, once in df.c, completely
12925 rewritten so that they now fully model the functionality of
12926 register usage at the backend.
12927 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12928 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12929 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12930 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12931 df_get_artificial_defs, df_get_artificial_uses,
12932 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12933 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12934 df_refs_delete, df_reorganize_refs, df_set_state,
12935 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12936 df_def_record_1, df_defs_record, df_uses_record,
12937 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12938 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12939 df_record_exit_block_uses, df_hard_reg_init): New functions.
12941 * df-problems.c: Seven concrete dataflow problems that use the
12942 scanning in df-scan.c and are solved by the engine in df-core.c.
12943 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12944 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12945 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12946 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12947 df_ru_free_bb_info, df_ru_alloc,
12948 df_ru_bb_local_compute_process_def,
12949 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12950 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12951 df_ru_transfer_function, df_ru_free, df_ru_dump,
12952 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12953 df_rd_free_bb_info, df_rd_alloc,
12954 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12955 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12956 df_rd_transfer_function, df_rd_free, df_rd_dump,
12957 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12958 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12959 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12960 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12961 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12962 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12963 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12964 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12965 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12966 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12967 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12968 df_urec_mark_reg_use_for_earlyclobber,
12969 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12970 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12971 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12972 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12973 df_chain_create_bb_process_use, df_chain_create_bb,
12974 df_chain_finalize, df_chain_free, df_chains_dump,
12975 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12976 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12977 df_reg_lifetime): New functions.
12978 * df.c: Deleted file.
12979 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12980 consistent with new df api.
12981 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12982 rest_of_handle_sms): Ditto.
12983 * web.c (unionfind_union, union_defs, entry_register, web_main):
12985 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12986 invariant_expr_equal_p, find_defs, check_dependencies,
12987 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12988 free_inv_motion_data, move_loop_invariants): Ditto.
12989 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12990 Update dependencies.
12991 (odf.c): Added defective entry that was deleted later in day.
12992 * sched-deps.c (sched_analyze_1): Ditto.
12994 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12996 * tree-ssa-operands.c (get_expr_operands): Record addressable
12997 variables directly. Do not call add_stmt_operands for CONST_DECLs
12999 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13000 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13002 2006-01-11 Ben Elliston <bje@au.ibm.com>
13004 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13005 function returns true in the positive case.
13007 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13010 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13011 for SI, DI, SF and DF modes. Add alternatives to copy between
13012 general and floating point registers to the 32-bit patterns.
13013 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13014 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13015 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13016 generating 64-bit code.
13017 * config/pa/pa.c (output_move_double): Handle copies between general
13018 and floating registers.
13020 2006-01-10 Stuart Hastings <stuart@apple.com>
13022 * config/i386/i386.md (set_got): Update.
13023 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13024 (builtin_setjmp_receiver): Mach-O support.
13025 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13026 (GOT_SYMBOL_NAME): Define.
13027 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13028 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13029 * config/i386/i386.c (override_options): Revise for Darwin.
13030 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13031 support. (darwin_x86_file_end): New. (output_set_got): Add label
13032 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13033 * config/i386/i386-protos.h (output_set_got): Likewise.
13034 * config/darwin.c (machopic_legitimize_pic_address): Update
13037 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13039 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13040 when MODE isn't BLKmode.
13042 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13044 PR rtl-optimization/25367
13045 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13047 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13050 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13051 for a negative bound.
13053 2006-01-10 Richard Guenther <rguenther@suse.de>
13055 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13056 Never override with anything constraint.
13058 2006-01-10 Jan Beulich <jbeulich@novell.com>
13060 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13061 256 bits when optimize_size.
13063 2006-01-10 Jan Beulich <jbeulich@novell.com>
13065 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13067 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13068 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13071 2006-01-10 Ben Elliston <bje@au.ibm.com>
13073 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13075 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13076 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13077 (USE_FP_FOR_ARG): Reject decimal float modes.
13078 (function_arg_advance): Likewise.
13079 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13080 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13081 point types in AltiVec vectors.
13082 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13083 (rs6000_libcall_value): Likewise.
13085 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13087 * config/xtensa/ieee754-df.S: New file.
13088 * config/xtensa/ieee754-sf.S: New file.
13089 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13090 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13091 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13093 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13095 * config/sh/predicates.md (binary_float_operator,
13096 binary_logical_operator, commutative_float_operator,
13097 equality_comparison_operator, greater_comparison_operator,
13098 less_comparison_operator, logical_operator,
13099 noncommutative_float_operator, shift_operator,
13100 symbol_ref_operand, unary_float_operator): Remove redundant
13103 2006-01-09 Jeff Law <law@redhat.com>
13105 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13106 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13107 now unused arguments. Callers updated.
13108 (eliminate_redundant_computations): Remove now unused arguments,
13110 (local_fold): Remove, no longer used.
13111 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13113 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13114 (simplify_cond): New function.
13115 (forward_propagate_into_cond): Call simplify_cond.
13117 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13119 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13120 (*vec_extractv2di_1_sse): New.
13122 2006-01-09 Ben Elliston <bje@au.ibm.com>
13124 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13126 2006-01-08 Richard Guenther <rguenther@suse.de>
13128 * tree-ssa-structalias.c (get_constraint_for): Remove
13129 anyoffset argument.
13130 (get_constraint_for_component_ref): Likewise.
13131 (do_deref): Likewise.
13132 (get_constraint_for): Likewise.
13133 (do_structure_copy): Likewise.
13134 (handle_ptr_arith): Likewise.
13135 (find_func_aliases): Likewise. Remove unused need_anyoffset
13138 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13139 Kaz Kojima <kkojima@gcc.gnu.org>
13141 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13142 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13143 (EXTRA_CONSTRAINT_C16): Remove.
13144 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13145 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13146 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13147 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13148 constants of SHmedia. Handle nested constant expressions of
13150 (andcosts): Fix the costs for SHmedia constants.
13151 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13152 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13153 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13154 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13155 (movv4hi_i, movv2si_i): Likewise.
13156 (movsi_const): Adjust the second operand of ior so to match with
13157 the Csu constraint.
13158 (movdi_const, movdi_const_32bit): Likewise.
13159 (movdi_const_16bit+1): Don't sign-extend LOW.
13160 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13162 (*double_shori): Fix the split condition. Use GEN_INT instead
13163 of get_int_mode calls. Mask lower 16-bit of the argument of
13165 (sym2GOTPLT): Remove.
13166 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13168 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13169 instead of EXTRA_CONSTRAINT_C16.
13171 2006-01-07 Ian Lance Taylor <ian@airs.com>
13172 David Edelsohn <edelsohn@gnu.org>
13174 PR rtl-optimization/25662
13175 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13176 for constant operands instead of simplify_gen_binary.
13177 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13178 after trying simplify_binary_operation
13180 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13182 * tree.c (iterative_hash_expr): Hash decls based on UID.
13184 2006-01-06 Eric Christopher <echristo@apple.com>
13186 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13187 (TARGET_UNWIND_EMIT): Fix spelling.
13188 * target.h (gcc_target): Add except_table_label.
13189 * except.c (output_function_exception_table): Use.
13190 * varasm.c (default_emit_except_table_label): New.
13191 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13193 (asm_out): Add here.
13194 * output.h (default_emit_except_table_label): Prototype.
13195 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13196 * config/darwin.c (darwin_emit_except_table_label): Define.
13197 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13199 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13201 PR tree-optimization/18527
13202 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13203 number_of_iterations_special, number_of_iterations_exit):
13204 Move base and step of an iv to a single structure. Add
13205 no_overflow flag, and use it in # of iterations analysis.
13206 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13207 folded_casts argument.
13208 (simple_iv): Pass base and step in a structure. Set no_overflow
13210 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13211 Evaluate expensiveness of computing # of iterations instead of
13212 the final expression.
13213 * tree-scalar-evolution.h (affine_iv): New structure.
13214 (simple_iv): Declaration changed.
13215 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13216 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13217 find_givs_in_stmt): Changed due to simple_iv change.
13219 2006-01-06 Jeff Law <law@redhat.com>
13222 * tree-cfg.c (bsi_replace): Rename final argument from
13223 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13224 change (stmt -> orig_stmt).
13225 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13226 (bsi_remove): Add new argument. Remove EH information
13228 (verify_eh_throw_table_statements): New function.
13229 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13231 * tree-optimize.c (execute_free_cfg_annotations): Verify
13232 the EH throw statement table after removing annotations.
13233 * except.h (verify_eh_throw_table_statements): Prototype.
13234 * tree-flow.h (bsi_remove): Update prototype.
13235 * tree-vrp.c (remove_range_assertions): Add new argument to
13237 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13238 * tree-complex.c (expand_complex_div_wide): Likewise.
13239 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13240 * tree-tailcall.c (eliminate_tailcall): Likewise.
13241 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13242 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13243 * tree-nrv.c (tree_nrv): Likewise.
13244 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13245 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13246 (combine_blocks): Likewise.
13247 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13248 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13249 (cleanup_control_flow): Likewise.
13250 (remove_forwarder_block): Likewise.
13251 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13252 * tree-sra.c (sra_replace): Likewise.
13253 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13254 (forward_propagate_single_use_vars): Likewise.
13255 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13256 * tree-inline.c (expand_call_inline): Likewise.
13257 * tree-vect-transform.c (vect_transform_loop): Likewise.
13258 * tree-outof-ssa.c (rewrite_trees): Likewise.
13259 * tree-cfg.c (make_goto_expr_edges): Likewise.
13260 (cleanup_dead_labels): Likewise.
13261 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13262 (bsi_move_before, bsi_move_after): Likewise.
13263 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13264 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13266 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13269 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13271 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13272 on non gimple variables. Also add checks at the top for decls and
13274 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13276 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13277 and IMAGPART_EXPR for creating MUST_DEFs.
13278 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13279 and NAME_MEMORY_TAG separately from the DECLs.
13281 2006-01-06 Richard Guenther <rguenther@suse.de>
13283 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13284 annotation, if necessary.
13285 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13286 redundant calls to update_stmt.
13287 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13290 2006-01-05 Richard Henderson <rth@redhat.com>
13292 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13294 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13296 * c-typeck.c: Update copyright date.
13298 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13300 * c-typeck.c (build_c_cast): Always warn when casting
13301 from a pointer to an integer of different size, even if
13302 the node was constant.
13304 2006-01-05 Richard Guenther <rguenther@suse.de>
13306 PR tree-optimization/22555
13307 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13308 if one structure field is an array.
13309 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13310 operands even if we found a subvar, but ignore VOPs in this
13312 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13314 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13316 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13318 PR middle-end/24998
13319 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13321 2006-01-05 Richard Guenther <rguenther@suse.de>
13322 Diego Novillo <dnovillo@redhat.com>
13324 * tree-pass.h (TODO_remove_unused_locals): Define.
13325 * gimple-low.c (expand_var_p, remove_useless_vars,
13326 pass_remove_useless_vars): Remove. Update all users.
13327 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13328 (remove_unused_locals): New function.
13329 * tree-flow.h (remove_unused_locals): Declare.
13330 * passes.c (execute_todo): Call remove_unused_locals if
13331 TODO_remove_unused_locals is set.
13332 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13333 * tree-ssa-dce.c (pass_dce): Likewise.
13334 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13336 2006-01-05 Richard Guenther <rguenther@suse.de>
13338 * tree-flow.h (struct fieldoff): Decompose field to
13339 type, size and decl.
13340 * tree-ssa-alias.c (create_sft): Take type as parameter.
13341 (create_overlap_variables_for): Store type, size and decl
13342 in the fieldoff structure.
13343 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13344 of struct fieldoff.
13345 (push_fields_onto_fieldstack): Likewise.
13346 (create_variable_info_for): Likewise. Use offset for the
13347 SFT name if the decl is not available.
13349 2006-01-04 Paul Brook <paul@codesourcery.com>
13351 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13353 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13355 * lambda-code.c (can_put_in_inner_loop): Relax
13357 (can_put_after_inner_loop): New function.
13358 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13359 (perfect_nestify): Change to make copies and modify uses.
13361 2006-01-04 Richard Henderson <rth@redhat.com>
13363 Merge from gomp branch:
13364 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13365 via integer constant.
13366 (pragma_lex): Remove.
13367 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13368 rather than parsing it.
13369 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13370 handle_pragma_extern_prefix): Add %< %> quotes.
13371 (registered_pragmas): New.
13372 (c_register_pragma_1): New.
13373 (c_register_pragma): Use it.
13374 (c_register_pragma_with_expansion): Likewise.
13375 (c_invoke_pragma_handler): New.
13376 (init_pragma): Use cpp_register_deferred_pragma directly for
13378 * c-pragma.h (enum pragma_kind): New.
13379 (pragma_handler): New.
13380 (c_invoke_pragma_handler): Declare.
13381 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13383 * c-common.h (c_common_pch_pragma): Update decl.
13384 * Makefile.in (c-parser.o): Update dependencies.
13385 (GTFILES): Add c-pragma.h.
13386 * c-parser.c (struct c_token): Add pragma_kind.
13387 (struct c_parser): Add in_pragma.
13388 (c_lex_one_token): Always initialize keyword and pragma_kind.
13389 Extract data for CPP_PRAGMA.
13390 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13391 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13392 Don't allow CPP_PRAGMA_EOL if in_pragma.
13393 (c_parser_consume_pragma): New.
13394 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13395 (c_parser_skip_to_end_of_parameter): Likewise.
13396 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13397 (c_parser_skip_to_pragma_eol): New.
13398 (c_parser_external_declaration): Handle CPP_PRAGMA.
13399 (c_parser_compound_statement_nostart): Likewise.
13400 (c_parser_statement_after_labels): Likewise.
13401 (c_parser_pragma): New.
13402 (pragma_lex): Likewise.
13403 (c_parser_pragma_pch_preprocess): New.
13404 (c_parser_new): Merge into ...
13405 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13407 2006-01-04 Jeff Law <law@redhat.com>
13410 * tree-cfg.c (bsi_replace): Remove the original statement
13411 from the EH throw statement table.
13413 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13415 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13416 make the prototype extern "C" and add throw ().
13419 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13420 and pos non-negative and pos + len <= 32.
13421 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13422 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13423 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13426 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13427 as well as sizes not multiple of component size.
13430 * function.c (instantiate_expr): New function.
13431 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13432 walk its DECL_VALUE_EXPR with instantiate_expr.
13434 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13435 DW_OP_deref{,_size} if address isn't going to be added.
13437 2006-01-04 Ben Elliston <bje@au.ibm.com>
13439 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13440 * config/fp-bit.c: Likewise.
13442 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13444 * dominance.c: Add comment about why we use DFS numbering
13447 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13448 Richard Henderson <rth@redhat.com>
13450 Merge from gomp-branch:
13451 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13452 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13454 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13456 PR rtl-optimization/25578
13457 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13458 pass a parameter to simplify_shift_const if changing ASHIFTRT
13461 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13463 * builtins.c (get_builtin_sync_mem): New function.
13464 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13465 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13466 Call get_builtin_sync_mem to generate mem rtx.
13468 2006-01-03 Richard Guenther <rguenther@suse.de>
13471 * stmt.c (add_case_node): Make sure to clear overflow flags
13474 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13476 Merge from gomp-branch.
13477 * config/sparc/sync.md: New file.
13478 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13479 UNSPECV_LDSTUB): New constants.
13480 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13481 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13482 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13485 2006-01-03 Roger Sayle <roger@eyesopen.com>
13487 * combine.c (reg_subword_p): New predicate to test whether the
13488 destination of a set refers to a subword/piece of a register.
13489 (try_combine): Generalize the code to merge the setting of a
13490 pseudo to a constant followed by a set of a subword of that
13491 register to a constant.
13493 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13495 * basic-block.h (control_flow_graph): Change the type of
13496 x_label_to_block_map to VEC(basic_block,gc) *.
13497 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13498 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13500 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13501 VEC(basic_block,heap) *.
13502 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13503 ssa_prop_fini): Adjust the uses of cfg_blocks.
13505 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13507 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13509 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13510 hashing trees instead of a pointer hash.
13511 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13512 compare for MEM_EXPR.
13514 PR rtl-optimization/25130
13515 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13516 when comparing MEMs for GCSE
13518 2006-01-03 Ben Elliston <bje@au.ibm.com>
13520 * targhooks.h (default_decimal_float_supported_p): Declare.
13521 * targhooks.c (default_decimal_float_supported_p): Define.
13522 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13523 `default_decimal_float_supported_p'.
13524 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13526 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13528 * combine.c (apply_distributive_law <SUBREG>): Check
13529 TRULY_NOOP_TRUNCATION.
13531 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13533 * dwarf2out.c (have_switched_text_section): Delete.
13534 (have_multiple_function_sections): New.
13535 (have_location_lists): Make 'bool'.
13536 (add_AT_loc_list): Use 'true' not '1'.
13537 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13538 (output_loc_list): Use have_multiple_function_sections.
13539 (output_ranges): Likewise.
13540 (dwarf2out_begin_function): Set have_multiple_function_sections if
13542 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13543 Check function_section rather than DECL_SECTION_NAME.
13544 (dwarf2out_finish): Use have_multiple_function_sections.
13545 Don't clear have_location_lists.
13547 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13548 Jan Hubicka <jh@suse.cz>
13550 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13551 case of conditional jump jumping to the next instruction.
13552 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13553 cases of conditional jump jumping to the next instruction.
13555 2006-01-02 Jan Hubicka <jh@suse.cz>
13557 * i386.c (*_cost): Add COSTS_N_INSNS.
13558 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13560 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13563 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13565 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13567 * config/arm/arm.c (all_fpus): Fix comment typo.
13568 * config/darwin.c: Likewise.
13569 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13570 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13571 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13573 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13575 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13576 (rs6000_split_compare_and_swapqhi): New.
13577 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13578 (sync_compare_and_swapqhi_internal): New.
13579 * config/rs6000/rs6000-protos.h: Declare.