1 2006-07-23 Jan Hubicka <jh@suse.cz>
3 * i386.md (subsi_3_zext): Fix output template.
5 2006-07-21 Mike Stump <mrs@apple.com>
7 * doc/invoke.texi (C++ Dialect Options): Note that
8 -fvisibility-inlines-hidden doesn't affect explicitly
9 instantiationed inline methods.
11 2006-07-20 Roger Sayle <roger@eyesopen.com>
13 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
14 if the target assembler is GNU binutils' gas.
15 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
16 whether to pass GNU gas or native as command line options.
18 2006-07-20 Jason Merrill <jason@redhat.com>
20 * tree.c (remove_attribute): New fn.
23 2006-07-20 Paul Brook <paul@codesourcery.com>
26 * cse.c (cse_insn): Add destination addresses to hash table. Check if
27 they are invalidated by this instruction.
29 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
32 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
34 2006-07-20 Eric Christopher <echristo@apple.com>
37 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
39 2006-07-19 Eric Christopher <echristo@apple.com>
41 * config/t-slibgcc-darwin (stmp-lipo): Remove.
42 Rewrite dependencies for libgcc_s.1.dylib.
44 2006-07-19 Jakub Jelinek <jakub@redhat.com>
46 * except.c (duplicate_eh_regions_1): Clear next_peer.
48 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
50 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
51 -mlongcall does not guarantee all calls will be long.
52 * doc/extend.texi (long_call/short_call): Document that longcall
53 does not guarantee a long call will be used.
54 (longcall/shortcall): Likewise.
56 2006-07-18 Roger Sayle <roger@eyesopen.com>
59 * expmed.c (expand_shift): Additionally check that the shift_cost
60 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
61 before implementing a LSHIFT_EXPR as a sequence of additions.
62 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
63 middle-end that DImode shifts need to be synthesized by expand.
65 2006-07-18 Diego Novillo <dnovillo@redhat.com>
68 * tree-ssa-operands.c (access_can_touch_variable): Update
70 Return true if ALIAS is .GLOBAL_VAR.
72 2006-07-18 David Daney <ddaney@avtrex.com>
74 * gcc.c (display_help): Fix typo in help text.
76 2006-07-18 Olivier Hainque <hainque@adacore.com>
78 * tree.h (categorize_ctor_elements): Adjust prototype and add
79 descriptive comment, both in accordance with the interface change
81 * varasm.c (constructor_static_from_elts_p): New function.
82 Whether a constructor node is a valid static constant initializer
83 if all its elements are.
84 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
85 * output.h: Declare it.
86 * expr.c (categorize_ctor_elements_1): Return whether the constructor
87 is a valid constant initializer instead of computing the number of
88 non-constant elements. Use constructor_static_from_elts_p for this
89 purpose. Replace the head comment with an indication that this is a
90 helper for categorize_ctor_elements.
91 (categorize_ctor_elements): Same interface change as for the _1
92 helper. Former head comment from this helper moved here, adjusted to
93 account for the interface changes.
94 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
95 (all_zeros_p): Likewise.
96 * gimplify.c (gimplify_init_constructor): Decide whether we can make
97 static versions of the constructor from the categorize_ctor_elements
98 return value instead of the formerly computed number of non-constant
101 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
103 * configure: Regenerate.
104 * Makefile.in (build_libsubdir): New configure substitution
105 (build_libobjdir): New variable.
106 (BUILD_LIBIBERTY): Use it.
108 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
111 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
113 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
116 * c-common.c (handle_weakref_attribute): Ignore attribute in
117 the same conditions the alias attribute is ignored.
119 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
121 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
122 (dbxout_begin_prologue): Increment scope_labelno.
124 2006-07-17 Richard Henderson <rth@redhat.com>
127 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
130 2006-07-17 Roger Sayle <roger@eyesopen.com>
131 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
133 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
134 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
135 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
136 functions such as sbrk, write, etc.. Add function prototypes.
137 Convert function declarations from K&R to ISO C. Cast pointers
138 to "long" and "unsigned long" instead of "int" and "unsigned int".
139 Convert tokens following #endif into comments.
141 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
143 * invoke.texi: Remove mention of f77; Reformat table for
144 inline parameter options correctly; mention that -malign-double
145 is default on x86-64 targets.
147 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
149 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
150 (convert_affine_scev, chrec_convert_aggressive): Use
151 avoid_arithmetics_in_type_p. Do not check for the subtypes
154 2006-07-17 Richard Sandiford <richard@codesourcery.com>
157 * optabs.c (expand_doubleword_shift): Wrap the call to
158 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
160 2006-07-17 Richard Sandiford <richard@codesourcery.com>
163 * optabs.c (expand_binop): Pass next_methods rather than methods
164 to expand_doubleword_shift.
166 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
169 * tree.h (dump_addr): Declare.
170 * print-tree.c (dump_addr): New function.
171 (print_node_brief, print_node): Use it.
172 * print-rtl.c (print_rtx): Likewise.
173 * common.opt (-fdump-noaddr): New option.
174 * doc/invoke.texi (-fdump-noaddr): Document.
175 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
176 (ve_info_hash): Likewise.
178 2006-07-13 Andrew Haley <aph@redhat.com>
180 PR tree-optimization/19505
181 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
182 edge leaving this block, make sure that the destination of this
183 block has only one predecessor.
185 2006-07-17 Richard Guenther <rguenther@suse.de>
187 PR tree-optimization/28238
188 * tree-inline.c (copy_bb): Check if we produced valid
189 gimple copying and substituting a stmt. If not, gimplify
192 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
194 * optabs.c (maybe_encapsulate_block): New function extracted from...
195 (emit_libcall_block): ...here. Invoke it on the block of insns to
196 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
197 (emit_no_conflict_block): Likewise.
199 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
201 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
203 2006-07-15 Roger Sayle <roger@eyesopen.com>
205 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
206 a new NOP_EXPR case of the switch statement.
208 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
211 * stor-layout.c (place_field): Take the bit field with
212 an excessive size into account in the ms-bitfiled case.
215 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
216 the previous bit field.
218 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
221 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
223 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
225 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
226 signal frames correctly even when the signal was installed with
229 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
231 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
232 (dbxout_function_end): Use local label LFBB. Remove hook
234 (dbxout_source_line): Use local label LFBB.
235 (dbxout_block): Likewise.
236 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
237 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
238 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
241 2006-07-13 Janis Johnson <janis187@us.ibm.com>
243 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
245 2006-07-13 Jan Hubicka <jh@suse.cz>
247 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
249 * output.h (align_variable): Declare.
250 * varasm.c (align_variable): Export.
251 * value-prof.c (tree_value_profile_transformations): Recompute iterator
252 when basic block changed.
254 2006-07-13 Nick Clifton <nickc@redhat.com>
256 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
257 walking the LOG_LINKS chain.
259 2006-07-12 Geoffrey Keating <geoffk@apple.com>
261 * doc/invoke.texi (C++ Dialect Options): Explain difference
262 between -fvisibility-inlines-hidden and setting hidden
263 visibility explicitly.
265 2006-07-12 Eric Christopher <echristo@apple.com>
267 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
268 (stmp-lipo): Depend on libgcc.a.
270 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
272 * tree.c: Fix a comment typo.
274 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
276 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
278 (umulhisi3_r): Likewise.
280 2006-07-12 Paolo Carlini <pcarlini@suse.de>
283 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
284 x < 19, vs wchar_t support.
286 2006-07-12 Nick Clifton <nickc@redhat.com>
288 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
291 2006-07-12 Mike Stump <mrs@apple.com>
293 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
295 2006-07-10 Eric Christopher <echristo@apple.com>
297 * config/t-slibgcc-darwin: Rewrite.
299 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
302 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
305 2006-07-08 Matthias Klose <doko@debian.org>
307 * doc/sourcebuild.texi: Fix typo.
309 2006-07-07 Mike Stump <mrs@apple.com>
311 * toplev.c (process_options): Don't give -ffunction-sections may
312 affect debugging warning for Mach-O.
314 2006-07-07 James E Wilson <wilson@specifix.com>
316 * config/mips/mips.md (cpu): Add sb1a.
317 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
318 addition to sb1. Adjust comments to clarify SB-1A differences from
320 (ir_sb1a_load): New. Modify bypasses to use it.
321 (ir_sb1a_simple_alu): Likewise.
322 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
323 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
324 (mips_issue_rate): Add PROCESSOR_SB1A.
325 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
326 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
327 (TARGET_SB1): Add PROCESSOR_SB1A check.
328 (TUNE_SB1): Likewise.
330 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
331 * config/mips/mips.c (mips_store_data_bypass_p): New.
332 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
335 2006-07-08 Paul Brook <paul@codesourcery.com>
338 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
340 2006-07-07 Richard Guenther <rguenther@suse.de>
343 * tree.h (build_one_cst): Declare.
344 * tree.c (build_one_cst): New function.
345 * tree-ssa-math-opts.c (get_constant_one): Remove.
346 (insert_reciprocals): Use build_one_cst.
347 * fold-const.c (fold_plusminus_mult): Likewise.
349 2006-07-07 Roger Sayle <roger@eyesopen.com>
351 * pointer-set.c (pointer_set_destroy): Correct whitespace.
352 * cfgloopanal.c (dump_graph): Likewise.
353 * dojump.c (discard_pending_stack_adjust): Likewise.
354 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
356 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
357 * function.c (finalize_block_changes): Likewise.
358 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
359 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
360 * rtl.c (dump_rtx_statistics): Likewise.
361 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
363 * varray.c (dump_varray_statistics): Likewise.
364 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
365 decode_decimal64, encode_decimal128, decode_decimal128,
366 decimal_real_to_decimal): Likewise.
368 2006-07-07 Richard Guenther <rguenther@suse.de>
370 PR tree-optimization/28187
371 * tree-vrp.c (vrp_operand_equal_p): New function.
372 (vrp_bitmap_equal_p): Likewise.
373 (update_value_range): Use them to compare old and new
376 2006-07-06 Roger Sayle <roger@eyesopen.com>
378 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
379 a default case to switch statement to silence compiler warnings.
381 2006-07-06 Roger Sayle <roger@eyesopen.com>
384 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
385 the configured assembler supports the x87's ffreep mnemonic.
386 * configure: Regenerate.
387 * config.in: Regenerate.
389 * config/i386/i386.c (output_387_ffreep): New function.
390 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
391 (output_387_reg_move): Likewise.
393 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
395 Port to hosts whose 'sort' and 'tail' implementations
396 treat operands with leading '+' as file names, as POSIX
397 has required since 2001. However, make sure the code still
398 works on pre-POSIX hosts.
399 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
400 which says you should use "tail -c +N" rather than "tail +Nc".
401 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
403 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
405 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
408 2006-07-06 David Edelsohn <edelsohn@gnu.org>
411 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
412 PRE_{INC,DEC} of TFmode.
414 2006-07-06 David Edelsohn <edelsohn@gnu.org>
415 Alan Modra <amodra@bigpond.net.au>
418 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
421 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
424 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
425 Remove duplicate gtu.
427 2006-07-05 Jason Merrill <jason@redhat.com>
431 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
432 * c-common.c (handle_packed_attribute): So don't copy it here.
433 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
435 2006-07-05 Mike Stump <mrs@apple.com>
437 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
439 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
442 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
444 2006-07-05 Richard Guenther <rguenther@suse.de>
447 * config/i386/i386.md (*negdf2_1): Restrict pattern to
448 TARGET_SSE2 targets if using SSE math.
449 (*absdf2_1): Likewise.
451 2006-07-05 Richard Guenther <rguenther@suse.de>
453 PR tree-optimization/28162
454 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
455 make sure to convert the operands to the correct type.
457 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
459 PR tree-optimization/28218
461 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
462 to calculate and free the dominator information.
464 2006-07-04 Peter O'Gorman <peter@pogma.com>
466 * mklibgcc.in: chmod 644 before ranlib during install.
468 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
469 J"orn Rennecke <joern.rennecke@st.com>
471 * configure.ac (.eh_frame data check): Use diff -b.
473 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
476 * Makefile.in (BUILD_RTL): Add build/vec.o.
477 (build/gencondmd.o): Filter out -fkeep-inline-functions.
478 (build/genextract): Delete.
479 (build/genautomata): Likewise.
481 2006-07-04 Alan Modra <amodra@bigpond.net.au>
484 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
485 128-bit IBM long doubles for ABI_V4.
487 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
489 * tree.c (range_in_array_bounds_p): New predicate.
490 * tree.h (range_in_array_bounds_p): Declare it.
491 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
492 return a less conservative answer.
493 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
495 (IS_ELEMENT_FOR_GROUP): New macro.
496 (FOR_EACH_ACTUAL_CHILD): Likewise.
497 (next_child_for_group): New helper function.
498 (can_completely_scalarize_p): Take into account groups.
499 (sra_hash_tree): Handle RANGE_EXPR.
500 (sra_elt_eq): Likewise.
501 (lookup_element): Be prepared for handling groups.
502 (is_valid_const_index): Delete.
503 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
504 instead of is_valid_const_index.
505 <ARRAY_RANGE_REF>: New case.
506 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
507 is_valid_const_index.
508 <ARRAY_RANGE_REF>: Do not unconditionally punt.
509 (scan_dump): Dump info for groups too.
510 (decide_instantiation_1): Likewise.
511 (decide_block_copy): Assert that the element is not a group.
512 Propagate decision to groups.
513 (generate_one_element_ref): Handle RANGE_EXPR.
514 (mark_no_warning): Iterate over actual childs.
515 (generate_copy_inout): Likewise.
516 (generate_element_copy): Likewise.
517 (generate_element_zero): Likewise.
518 (generate_element_init_1): Likewise.
519 (dump_sra_elt_name): Handle RANGE_EXPR.
521 2006-07-03 Roger Sayle <roger@eyesopen.com>
523 PR tree-optimization/26251
524 * tree-ssa-threadupdate.c (redirection_block_p): New function.
525 (thread_block): When optimizing for size refuse to thread jumps
526 that would require duplication of blocks other than redirection
529 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
531 * configure.ac: Fix thinko in previous check-in.
532 * configure: Regenerate.
534 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
537 * configure.ac (for lang...): Simplify nesting of conditionals.
538 Test subdir_requires for non-enabled languages. Move processing
539 of lang_opt_files and lang_tree_fiels below that test.
540 * configure: Regenerate.
541 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
543 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
545 * doc/gcov.texi (Invoking Gcov): Add a missing word.
547 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
549 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
552 2006-06-29 Jason Merrill <jason@redhat.com>
559 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
560 * c-common.c (c_determine_visibility): Handle it here.
561 * c-decl.c (finish_decl): Call c_determine_visibility for
563 * flags.h (enum symbol_visibility): Sort from most to least visibility.
565 * varasm.c (default_assemble_visibility): Likewise.
566 * c-common.c (handle_visibility_attribute): Complain about trying
567 to give visibility to an already defined class, or trying to change
568 declared visibility. Always attach the attribute.
573 * attribs.c (decl_attributes): Ignore type-in-place attributes
574 once the type has been defined.
576 2006-06-29 Roger Sayle <roger@eyesopen.com>
579 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
580 to indicate the cpplib has issued an error message for us.
582 2006-06-29 Asher Langton <langton2@llnl.gov>
585 * config/i386/i386.c (ix86_output_function_epilogue): Don't
586 insert a label at the end of an function under Mach-O.
588 2006-06-29 Eric Christopher <echristo@apple.com>
589 Evan Cheng <evan.cheng@apple.com>
591 * predicates.md (vector_all_ones_operand): New.
592 (nonimmediate_or_sse_const_operand): Ditto.
593 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
594 * config/i386/i386.c (standard_sse_constant_opcode): Define.
595 (standard_sse_mode_p): Ditto.
596 (standard_sse_constant_p): Add case for -1 vector.
597 (ix86_expand_vector_move): Try to use.
598 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
599 Call standard_sse_constant_opcode.
600 (*movv4sf_internal): Ditto.
601 (*movv2df_internal): Ditto.
603 2006-06-29 Roger Sayle <roger@eyesopen.com>
605 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
606 of XEXP to extract the operands of a MATCH_CODE rtx.
608 2006-06-28 Andrew Pinski <pinskia@gmail.com>
610 * tree.c (tree_size): Do not waste tail padding in
611 struct tree_string and make the size be the same as
612 build_string will generate.
614 2006-06-28 Jason Merrill <jason@redhat.com>
617 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
618 may_aliases already in the tag's annotations to the bitmap.
620 2006-06-28 Roger Sayle <roger@eyesopen.com>
622 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
624 2006-06-28 Roger Sayle <roger@eyesopen.com>
626 * genpreds.c (generate_switch_p): New function.
627 (add_mode_tests): Push the new mode test down inside an AND expr
628 if this allows the switch-suitable MATCH_CODE to be near the root.
629 (write_match_code_switch): New function to write a MATCH_CODE as
631 (write_predicate_stmts): New function to write a predicate RTX
632 expression as a sequence of statements.
633 (write_one_predicate_function): Use write_predicate_stmts.
634 (write_tm_constrs_h): Likewise.
636 2006-06-26 Fred Fish <fnf@specifix.com>
638 * config/mips/t-sb1: New file.
639 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
642 2006-06-26 DJ Delorie <dj@redhat.com>
644 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
646 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
647 Jayant Sonar <jayants@kpitcummins.com>
648 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
650 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
651 (subsi3, subsi3_1, subsi3_2): New.
652 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
653 * config/m32c/mov.md (SI mov peephole): New.
654 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
655 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
657 2006-06-26 Olivier Hainque <hainque@adacore.com>
659 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
660 a CALL_EXPR target function declaration.
662 2006-06-26 Richard Guenther <rguenther@suse.de>
664 * tree.c (build_string): Do not waste tail padding in
667 2006-06-26 Richard Guenther <rguenther@suse.de>
669 * ggc-page.c (init_ggc): Add missing element to size_lookup
673 2006-06-23 Richard Guenther <rguenther@suse.de>
675 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
676 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
677 alignment requests instead. Add verification code.
678 Add struct tree_function_decl and struct tree_binfo size to
679 extra_order_size_table. Add missing element to size_lookup
682 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
685 * fold-const.c (const_binop): Be prepared for self returning zero.
686 Simplify code handling complex values.
688 2006-06-24 Olivier Hainque <hainque@adacore.com>
690 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
691 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
694 2006-06-24 Olivier Hainque <hainque@adacore.com>
696 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
697 ARRAY_REF, so have the callback called for the low bound expression.
699 2006-06-23 Janis Johnson <janis187@us.ibm.com>
701 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
702 * c-typeck.c (c_common_type): Disallow operations on decimal float
703 types and other float types.
704 * convert.c (convert_to_real): Don't ignore conversions involving
707 2006-06-23 Olivier Hainque <hainque@adacore.com>
709 * tree.c (max_int_size_in_bytes): New function, inspired from
710 code in function.c:assign_temp.
711 * tree.h (max_int_size_in_bytes): Declare.
712 * function.c (assign_temp): Use it.
713 * gimplify.c (create_tmp_var): Relax the assertions on the type
714 properties, not mandating constant size any more.
715 (force_constant_size): New static function.
716 (gimple_add_tmp_var): Use it, forcing variable size to a
717 constant upper bound if it is not constant on entry.
719 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
722 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
723 for initialization and setting of one_only flag to ...
724 (i386_pe_encode_section_info): ...here.
725 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
726 Recheck that the symbol has not been defined.
728 2006-06-23 Richard Guenther <rguenther@suse.de>
730 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
731 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
732 alignment requests instead. Add verification code.
733 Add struct tree_function_decl and struct tree_binfo size to
734 extra_order_size_table. Add missing element to size_lookup
737 2006-06-22 Roger Sayle <roger@eyesopen.com>
738 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
741 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
742 call to lang_hooks.types.type_for_mode returned NULL_TREE.
744 2006-06-23 Ben Elliston <bje@au.ibm.com>
746 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
747 negate dn -- manipulate it directly.
749 2006-06-22 Roger Sayle <roger@eyesopen.com>
750 Steven Bosscher <stevenb.gcc@gmail.com>
753 * reload1.c (gen_reload): Call mark_jump_label on the new insns
754 generated by gen_move_insn to add REG_LABEL notes if necessary.
756 2006-06-22 Bob Wilson <bob.wilson@acm.org>
758 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
759 (leaf_entry): Remove use of MIN_ESA.
761 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
763 PR rtl-optimization/28121
764 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
767 2006-06-21 DJ Delorie <dj@redhat.com>
769 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
771 (mulhisi3_r): Likewise.
773 2006-06-21 Richard Sandiford <richard@codesourcery.com>
776 * coverage.c (coverage_counter_alloc): Leave the index type
778 (coverage_counter_alloc): Use null arguments for operands 2 and 3
781 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
783 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
784 section from the "Options for Code Generation Conventions".
786 2006-06-21 Richard Henderson <rth@redhat.com>
790 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
792 (global_symbolic_operand): Allow weak symbols, even if local_p.
794 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
796 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
797 (find_interesting_uses_address): Punt if above function returns true.
799 2006-06-21 Richard Guenther <rguenther@suse.de>
801 * configure: Regenerated.
803 2006-06-21 Joseph Myers <joseph@codesourcery.com>
805 * config/mips/mips.c (function_arg): Where one part of a
806 complex argument is in registers and the other part in the stack,
807 return a REG not a PARALLEL.
809 2006-06-21 Mark Mitchell <mark@codesourcery.com>
811 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
812 when cross-compiling. Do not substitute libstdcxx_incdir.
813 * configure: Regenerated.
815 2006-06-21 Jakub Jelinek <jakub@redhat.com>
817 * varasm.c (mergeable_string_section): Check for embedded NULs and
818 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
819 rather than TREE_STRING_LENGTH bytes.
821 2006-06-21 Richard Guenther <rguenther@suse.de>
823 * ggc-page.c (extra_order_size_table): Add var_ann_d,
824 tree_ssa_name, bitmap_element and phi_node with 4 arguments
827 2006-06-21 Richrad Guenther <rguenther@suse.de>
829 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
830 Limit iteration over the dominators.
832 2006-06-20 Roger Sayle <roger@eyesopen.com>
834 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
835 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
837 2006-06-20 Richard Guenther <rguenther@suse.de>
838 Michael Matz <matz@suse.de>
840 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
842 * alloc-pool.c (free_alloc_pool_if_empty): New function.
843 * et-forest.h (et_free_pools): Prototype new function.
844 * et-forest.c (et_free_tree_force): Free parent occurrence.
845 (et_free_pools): New function.
846 * dominance.c (free_dominance_info): Free et-forest alloc
849 2006-06-20 Roger Sayle <roger@eyesopen.com>
851 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
852 integer modes, attempt to directly construct an integer constant.
854 * fold-const.c (native_encode_vector): Determine the size of each
855 element from the vector type instead of the first vector element.
857 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
858 if all of its elements/components are constant.
859 (build_constructor_from_list): Likewise.
861 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
863 PR tree-optimization/27331
864 * tree-data-ref.c (free_data_ref): New function.
865 (create_data_ref): Fail if the data reference has unknown access
867 (free_data_refs): Use free_data_ref.
869 2006-06-19 Andrew Pinski <pinskia@gmail.com>
872 * tree-inline.c (setup_one_parameter): Strip useless
873 type conversion before adding it to the IR.
874 (declare_return_variable): Likewise.
876 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
879 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
881 2006-06-19 Mike Stump <mrs@apple.com>
883 * tree.c (variably_modified_type_p): VM arguments don't make the
886 2006-06-19 Richard Guenther <rguenther@suse.de>
888 * tree-ssa-pre.c (try_combine_conversion): Strip useless
889 type conversions after folding.
891 2006-06-19 Richard Guenther <rguenther@suse.de>
893 * ggc-page.c (extra_order_size_tab): Add entries with
894 size of struct function and basic_block.
895 (size_lookup): Extend to cover sizes up to 511.
896 (ggc_alloc_stat): Adjust user.
897 (ggc_pch_count_object): Likewise.
898 (ggc_pch_alloc_object): Likewise.
899 (ggc_pch_write_object): Likewise.
901 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
903 * tree-ssa-loop-niter.c (implies_ge_p): New function.
904 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
907 2006-06-19 Denis Chertykov <denisc@overta.ru>
909 * config/avr/libgcc.S : Correct my wrong previous commit.
911 2006-06-19 Roger Sayle <roger@eyesopen.com>
914 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
915 have stripped a SUBREG from the shift count, so we may need to
916 convert_to_mode back to the type's mode before calling make_tree.
917 Use new_amount instead of amount to avoid expanding a tree twice.
919 2006-06-19 Richard Guenther <rguenther@suse.de>
922 * fold-const.c (operand_equal_p): Check if the argument types
923 have the same precision before stripping NOPs.
925 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
927 Fix PR tree-optimization/27341
928 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
930 * tree-complex.c (pass_lower_complex): Update SMT usage.
932 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
934 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
935 Add a new alternative to the constraint strings. Add move of
936 operand 1 to 3 to the splitter definition.
937 ("doloop_si_long"): Second contraint alternative removed.
939 2006-06-08 Anatoly Sokolov <aesok@post.ru>
941 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
942 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
944 (AVR_HAVE_MOVW) Define.
945 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
946 (ASM_SPEC): Add avr25.
947 (LINK_SPEC): Add avr25.
948 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
949 (base_arch_s): Add new member 'have_movw_lpmx'.
950 (avr_arch_types): Init 'have_movw_lpmx'.
951 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
952 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
953 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
954 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
955 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
957 (avr_file_start): Do not output '.arh' derective.
958 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
959 (__do_copy_data): Use __AVR_HAVE_LPMX__.
960 * config/avr/avr.md (mcu_enhanced): Delete.
961 (mcu_have_movw): Define.
962 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
963 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
964 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
965 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
966 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
967 attiny861 and at86rf401 devices.
969 2006-06-18 Jie Zhang <jie.zhang@analog.com>
971 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
974 2006-06-17 Karl Berry <karl@gnu.org>
976 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
977 doc/gccint.texi, doc/install.texi (@dircategory): Use
978 "Software development" instead of "Programming", following
979 the Free Software Directory.
981 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
983 * config/i386/i386.c (legitimate_tls_address)
984 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
985 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
986 (*tls_dynamic_gnu2_combine_64): Likewise.
988 2006-06-16 Richard Guenther <rguenther@suse.de>
991 * fold-const.c (negate_expr_p): Do not introduce undefined
992 overflow in negating INTEGER_CSTs.
993 (fold_negate_expr): Rename from negate_expr. Revert last
994 change for folding BIT_NOT_EXPR. Change semantics to
995 return NULL_TREE for non-simplified negations. Do not
996 strip type conversions and unify type handling.
997 (negate_expr): New function, wrap around fold_negate_expr
998 but ensure building a tree always. Strip type conversions
999 here, fold to result type.
1000 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1002 2006-06-16 Roger Sayle <roger@eyesopen.com>
1005 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1006 that (would) return their results in stack registers.
1008 2006-06-16 Michael Matz <matz@suse.de>
1009 Richard Guenther <rguenther@suse.de>
1011 * fold-const.c (fold_truthop): Only return new tree node if
1012 we canonicalized something.
1014 2006-06-16 Richard Guenther <rguenther@suse.de>
1016 * function.h (enum function_frequency): Move declaration
1017 out of struct function.
1018 (struct function): Move bool fields and the enum to the bitfield
1019 section. Reorder elements to avoid padding. Remove unused
1020 fields left over from the RTL inliner removal.
1021 * function.c (free_after_compilation): Do not zero removed fields.
1022 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1023 (ipa-type-escape.o): Likewise.
1025 2006-06-16 Richard Guenther <rguenther@suse.de>
1027 * cgraph.h (struct cgraph_local_info): Turn bool elements
1029 (struct cgraph_node): Likewise.
1030 (struct cgraph_varpool_node): Likewise.
1032 2006-06-15 Richard Guenther <rguenther@suse.de>
1034 * fold-const.c (fold_truth_not_expr): Rename from
1035 invert_truthvalue. Give it fold_* semantics to avoid
1037 (invert_truthvalue): New function. Wrapper around
1038 fold_truth_not_expr.
1039 (optimize_minmax_comparison): Avoid creating garbage.
1040 (fold_unary): Use fold_truth_not_expr for folding
1042 (fold_ternary): Replace uses of invert_truthvalue with
1043 fold_truth_not_expr where applicable.
1044 * tree.h (fold_truth_not_expr): Prototype.
1046 2006-06-16 Richard Guenther <rguenther@suse.de>
1048 PR tree-optimization/27781
1049 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1050 * ipa-pure-const.c (target.h): Include.
1051 (analyze_function): Do not analyze functions that do not
1054 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1057 * tree-dfa.c (referenced_vars_dup_list): Remove.
1058 (find_referenced_vars): Remove assert.
1059 (referenced_var_check_and_insert): Replace dup list with assert.
1060 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1061 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1063 2006-06-15 Richard Guenther <rguenther@suse.de>
1065 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1066 extra unused identifiers if not dumping.
1067 (create_variable_info_for): Likewise.
1069 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1071 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1072 (derive_constant_upper_bound): Derive more precise upper bound in
1073 common cases. Return type changed to double_int.
1074 (record_estimate): Reflect the changed return type of
1075 derive_constant_upper_bound.
1076 * double-int.c (double_int_zext, double_int_sext): Fix.
1078 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1080 * configure.ac (CFLAGS): Get them from the toplevel or from the
1081 configure invocation.
1082 * configure: Regenerate.
1083 * Makefile.in (CFLAGS): Substitute value provided by configure.
1085 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1088 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1089 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1090 rather than calling add_stmt on it.
1091 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1093 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1096 * reload1.c (reload): Remove registers returned by update_eliminables
1097 from used_spill_regs.
1099 2006-06-13 DJ Delorie <dj@redhat.com>
1101 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1103 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1105 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1106 html__strip_dir, html__mkdir_p. Enhance install-html target.
1107 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1108 * configure: Regenerate.
1110 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1112 * fold-const.c (fold_cond_expr_with_comparison): Check for
1113 Objective-C++ as language in deciding COND_EXPR transformation.
1115 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1118 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1119 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1120 * config/sh/lib1funcs.h (SL, SL1): Define.
1121 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1122 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1123 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1124 (OBJS_Os_4_200): New variable.
1125 ($(T)libgcc-Os-4-200.a): Use it.
1126 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1127 when dividing 1 and/or by 0.
1129 2006-06-13 Roger Sayle <roger@eyesopen.com>
1131 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1132 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1133 * configure: Regenerate.
1135 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1137 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1138 for real instruction.
1140 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1143 * haifa-sched.c (check_cfg): Handle special case.
1145 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1148 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1149 Add debug_info parameter. Chain the vars to the BLOCK instead
1150 of the BIND_EXPR if debug info are requested for them.
1151 (pop_gimplify_context): Adjust for above change.
1152 (gimple_add_tmp_var): Likewise.
1153 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1155 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1156 (convert_local_reference): Likewise.
1157 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1158 (finalize_nesting_tree_1): Request that debug info be emitted
1159 for debug_var_chain.
1161 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1163 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1164 for PR target/27863.
1166 2006-06-13 Richard Guenther <rguenther@suse.de>
1169 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1171 2006-06-13 Richard Guenther <rguenther@suse.de>
1173 PR tree-optimization/27830
1174 * tree-inline.c (copy_body_r): For copying the operand
1175 of an ADDR_EXPR make sure to fold &* afterwards.
1177 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1179 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1180 lvalues in the fb_none case with side-effects.
1182 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1184 * tree-flow.h: Remove the prototype for
1185 compute_phi_arg_on_exit.
1186 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1187 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1190 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1192 * builtins.c (expand_builtin_return_addr): Only use
1193 frame_pointer_rtx when count == 0 and we are expanding
1194 __builtin_return_address.
1196 2006-06-12 Fred Fish <fnf@specifix.com>
1198 * config/mips/mips.c (mips_file_start): Create special section
1199 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1201 2006-06-11 Eric Christopher <echristo@apple.com>
1204 * stor-layout.c (place_field): Remove check for
1205 remaining_in_alignment when aligning at the end of a run.
1207 2006-06-11 Eric Christopher <echristo@apple.com>
1210 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1213 2006-06-11 Roger Sayle <roger@eyesopen.com>
1216 Revert incorrect fix for PR target/27158
1217 2006-05-08 Roger Sayle <roger@eyesopen.com>
1218 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1219 of a reg_equiv_constant if the result is a legitimate constant.
1221 2006-06-11 Roger Sayle <roger@eyesopen.com>
1224 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1225 extract a CONST_VECTOR element and interpret it as an integer.
1226 (vspltis_constant): Use const_vector_elt_as_int instead of the
1227 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1228 * config/rs6000/predicates.md (easy_vector_const): Consider
1229 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1231 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1234 * stor-layout.c (update_alignment_for_field): Don't add extra
1235 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1238 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1240 * config/mips/t-rtems: Add EL/EB multilib variants.
1242 2006-06-09 Mike Stump <mrs@apple.com>
1244 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1246 2006-06-09 David Daney <ddaney@avtrex.com>
1248 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1250 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1252 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1254 2006-06-09 Richard Guenther <rguenther@suse.de>
1256 PR tree-optimization/26998
1257 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1258 of signed types, only TYPE_MIN_VALUE is special, but for both,
1259 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1260 in this case, as is -fwrapv.
1262 2006-06-08 Mike Stump <mrs@apple.com>
1265 * config/darwin.c (darwin_asm_output_anchor): Disable
1266 -fsection-anchors on darwin for now.
1267 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1268 * rs6000/rs6000.c (optimization_options): Likewise.
1270 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1273 * config/i386/i386.c (classify_argument): Skip fields with invalid
1276 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1278 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1279 (cse_insn): Likewise for the stack_pointer_rtx.
1281 2006-06-08 Roger Sayle <roger@eyesopen.com>
1283 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1284 conditions from floating point comparisons.
1286 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1289 * expmed.c (struct alg_hash_entry): Fix type of field T
1290 to match synth_mult argument.
1291 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1293 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1296 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1299 2006-06-08 Richard Guenther <rguenther@suse.de>
1302 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1303 only, if overflow is defined and not trapping.
1304 (negate_expr): Likewise.
1306 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1308 PR tree-optimization/27872
1309 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1310 flag on the new exit edge of the unrolled loop.
1312 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1314 PR rtl-optimization/26449
1315 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1317 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1320 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1321 referenced_variables with matching DECL_UID's.
1322 (find_referenced_vars): Make sure duplicate list is empty to start.
1323 (referenced_var_p): Remove.
1324 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1325 Check if var is in the list, and add if needed. Update the duplicate
1326 list if a different var is in the list with the same DECL_UID.
1327 (add_referenced_var): Call routine to check and insert.
1328 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1329 * tree-flow.h (referenced_vars_dup_list): External declaration.
1331 2006-06-07 Fred Fish <fnf@specifix.com>
1333 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1336 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1339 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1340 the imaginary and real parts of a clobbered register.
1341 Emit insn to set the imaginary part.
1343 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1345 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1346 in lieu of unwind-dw2-fde.c.
1348 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1350 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1352 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1355 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1356 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1357 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1358 V4SImode temporaries and operations instead.
1360 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1362 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1365 2006-06-06 Mike Stump <mrs@apple.com>
1367 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1368 installing during build.
1370 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1372 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1374 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1375 * config/ia64/ia64.c (params.h): New header.
1376 (ia64_optimization_options): New function to adjust parameters.
1377 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1378 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1379 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1381 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1383 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1385 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1388 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1390 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1391 Victor Kaplansky <victork@il.ibm.com>
1393 PR tree-optimization/26360
1394 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1397 2006-06-04 Roger Sayle <roger@eyesopen.com>
1398 Andrew Pinski <pinskia@physics.uc.edu>
1401 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1402 for LABEL_DECL before calling DECL_WEAK.
1405 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1406 LABEL_DECL and PARM_DECL.
1408 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1412 * c-decl.c (grokdeclarator): Disallow variably modified types at
1413 file scope. Avoid marking shared array type of constant size as
1416 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1419 * c-common.c (fold_offsetof_1): Handle static members.
1421 2006-06-04 Eric Christopher <echristo@apple.com>
1423 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1424 (debug_rli): Output value for remaining_in_alignment.
1425 (update_alignment_for_field): Unconditionalize
1426 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1427 extra alignment code.
1428 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1429 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1430 * tree.h (record_layout_info_s): Remove prev_packed.
1431 * doc/extend.texi (ms_struct): Add documentation of format.
1433 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1435 * tree.h: Declare folding_initializer.
1436 * builtins.c (fold_builtin_constant_p): Give definite answer
1437 if folding inside an initializer.
1438 * fold-const.c: Define folding_initializer.
1439 (START_FOLD_INIT): Save and then set folding_initializer.
1440 (END_FOLD_INIT): Restore folding_initializer.
1442 2006-06-04 Richard Guenther <rguenther@suse.de>
1444 PR tree-optimization/27039
1445 * fold-const.c (fold_comparison): Handle pointer comparison
1446 again for all comparison codes. Compare offsets in signed
1448 (fold_binary): Move code from here.
1450 2006-06-03 Roger Sayle <roger@eyesopen.com>
1453 * config/i386/i386.c (construct_container): Split static issued_error
1454 flag into issued_sse_arg_error, issued_sse_ret_error and
1455 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1456 requires the use of x87 registers and the user explicitly
1457 specified the -mno-80387 command line option.
1459 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1461 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1462 HAVE_DECL_SIGALTSTACK.
1464 (segv_handler): Use MC_FLD.
1465 * configure.ac: Check for a sigaltstack declaration.
1466 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1467 * configure: Regenerate.
1468 * config.in: Regenerate.
1470 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1473 * Makefile.in (stmp-fixinc): Fix typo.
1475 2006-06-02 Roger Sayle <roger@eyesopen.com>
1477 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1478 are type correct. Clean-up.
1479 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1480 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1482 2006-06-01 DJ Delorie <dj@redhat.com>
1484 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1485 shift, as we've disabled the "switch" insn that needs it.
1487 2006-06-01 Per Bothner <bothner@bothner.com>
1489 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1490 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1491 * c-ppoutput.c (cb_define): Don't increment line 0.
1493 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1495 * doc/invoke.texi: Add cpu_type power6.
1496 * config.gcc: Add cpu_type power6.
1497 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1498 to power5+ with Altivec.
1499 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1500 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1502 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1504 * config/avr/avr.h (SET_ASM_OP): Define.
1506 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1508 * config/bfin/bfin.c: Fix comment typos.
1510 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1513 * doc/install.texi: Document --enable-bootstrap and
1514 --disable-bootstrap.
1516 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1518 * doc/install.texi: Document that InfoZIP can replace jar.
1520 2006-05-31 Roger Sayle <roger@eyesopen.com>
1522 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1523 isn't available, directly generate the simpler x87 patterns without
1524 the (use (const_int 0)).
1525 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1526 implementation isn't available.
1527 (*negdf2_1): Likewise.
1528 (*negxf2_1): XF mode negation is always done using the x87.
1529 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1531 2006-05-31 Roger Sayle <roger@eyesopen.com>
1533 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1534 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1536 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1538 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1540 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1541 * config/bfin/bfin.c (basic-block.h): Include.
1542 (struct machine_function): New.
1543 (bfin_init_machine_status): New.
1544 (override_options): Initialize init_machine_status.
1545 (bfin_hardware_loop): New.
1546 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1547 (DEF_VEC_P (loop_info)): New.
1548 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1549 (struct loop_info): New.
1550 (loop_info): New typedef.
1551 (struct loop_work): New.
1552 (loop_work): New typedef.
1553 (DEF_VEC_O (loop_work)): New.
1554 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1555 (bfin_dump_loops): New.
1556 (bfin_bb_in_loop): New.
1557 (bfin_scan_loop): New.
1558 (bfin_optimize_loop): New.
1559 (bfin_reorg_loops): New.
1560 (bfin_reorg): Use bfin_reorg_loops.
1561 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1563 (I_REGNO_P): Simplify.
1564 (DP_REGNO_P, DPREG_P): New macros.
1565 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1566 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1567 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1568 Add LT_REGS, LC_REGS, LB_REGS.
1569 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1571 (REGNO_REG_CLASS): Deal with loop registers.
1572 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1574 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1575 New constants for loop registers.
1576 (UNSPEC_LSETUP_END): New.
1577 (seq_insns): New define_attr. Set it for appropriate insns.
1578 (movsi_insn): Add alternatives for move from/to
1579 loop count registers.
1580 (doloop_end): New define_expand.
1581 (loop_end): New define_insn.
1582 (define_split for bad doloop_end): New.
1583 (lsetup_with_autoinit): New define_insn.
1584 (lsetup_without_autoinit): New define_insn.
1585 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1586 * config/bfin/predicates.md (lc_register_operand): New.
1587 (lt_register_operand): New.
1588 (lb_register_operand): New.
1589 (nondp_register_operand): New.
1590 (nondp_reg_or_memory_operand): New.
1591 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1593 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1595 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1596 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1598 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1600 * Makefile.in (CATALOGS): Add po/ prefix.
1601 * configure: Regenerated.
1603 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1606 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1607 a shift operand before calling shift_op. Avoid redundant call of
1610 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1611 DJ Delorie <dj@redhat.com>
1613 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1614 we're inserting is a singlt-bit constant.
1616 2006-05-30 Roger Sayle <roger@eyesopen.com>
1618 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1619 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1621 2006-05-30 Roger Sayle <roger@eyesopen.com>
1623 PR tree-optimization/23452
1624 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1625 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1626 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1627 complex values and with -ffast-math for FP complex values.
1629 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1631 * c-common.h: Remove the prototype for yyparse.
1632 * rtl.h: Remove the prototype for init_loop.
1634 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1636 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1639 2006-05-30 Roger Sayle <roger@eyesopen.com>
1641 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1643 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1644 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1646 2006-05-30 Dirk Mueller <dmueller@suse.de>
1649 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1650 for CONSTANT_CLASS_P expresisons.
1652 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1655 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1657 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1659 PR tree-optimization/27779
1660 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1661 initial_condition instead of CHREC_LEFT.
1663 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1665 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1666 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1667 Make prototypes ISO C90.
1669 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1670 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1672 * see.c (see_analyze_one_def): Correct check.
1673 (see_get_extension_data): Check if extension is parallel.
1674 (see_get_extension_reg): Likewise.
1676 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1679 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1680 into register for (code == GTU).
1682 2006-05-29 Roger Sayle <roger@eyesopen.com>
1684 PR tree-optimization/24964
1685 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1686 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1687 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1688 abs(x)*abs(x) as x*x for scalar floating point modes.
1690 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1693 * lambda-code.c (perfect_nestify): Don't copy statements
1694 in the inner loop: move them to the inner loop header.
1696 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1699 * c-tree.texi: Document OpenMP directives and clauses.
1701 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1703 * varasm.c (globalize_decl): Fix indentation.
1705 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1708 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1709 pass_fre, pass_store_ccp, pass_copy_prop,
1710 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1711 pass_return_slot, pass_object_size, pass_lim,
1712 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1713 pass_loop_prefetch and pass_stdarg.
1715 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1717 * config/bfin/bfin.opt (mfdpic): New option.
1718 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1719 (EXTRA_MULTILIB_PARTS): Likewise.
1720 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1721 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1723 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1724 (CRT_CALL_STATIC_FUNCTION): New.
1725 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1727 (CRT_CALL_STATIC_FUNCTION): New.
1728 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1730 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1731 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1732 (initialize_trampoline): Changed to handle FD-PIC code generation.
1733 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1734 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1735 (override_options): Disallow -mid-shared-library -mfdpic combination.
1736 Can't do unaligned ops if FD-PIC.
1737 Turn off flag_pic if trying to generate non-id-shared-library
1738 non-fdpic code, since it's not supported.
1739 (bfin_assemble_integer): New function.
1740 (TARGET_ASM_INTEGER): Define.
1741 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1743 * config/bfin/crtn.s: Restore them.
1744 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1746 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1747 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1748 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1749 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1750 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1752 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1753 FDPIC_REGS and FDPIC_FPTR_REGS.
1754 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1755 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1756 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1757 (load_funcdescsi): New pattern.
1758 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1759 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1760 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1762 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1764 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1767 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1769 * tree-flow.h: Remove the prototype for add_type_alias.
1770 * tree-ssa-alias.c (add_type_alias): Remove.
1772 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1774 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1775 config/fr30/fr30.md, config/i386/i386-interix.h,
1776 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1777 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1778 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1779 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1780 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1781 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1782 Follow spelling conventions.
1783 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1784 Follow spelling conventions.
1786 2006-05-27 Richard Guenther <rguenther@suse.de>
1789 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1790 to produce a constant of value 1 of generic type.
1792 2006-05-27 Dirk Mueller <dmueller@suse.de>
1794 * cgraphunit.c (decide_is_function_needed): Fix wrong
1797 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1799 PR rtl-optimization/27661
1800 * reload.c (find_reloads): When reloading a VOIDmode constant
1801 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1802 use Pmode as mode of the reload register.
1804 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1806 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1807 is enabled at -O and above.
1809 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1812 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1815 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1818 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1819 for anonymous variables explicitly declared by front ends.
1821 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1823 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1824 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1825 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1826 ref-all pointers, run a finalization pass for them.
1827 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1828 (finalize_ref_all_pointers): New function.
1829 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1830 regular pointer type to a ref-all pointer type.
1831 (get_tmt_for): Return the special memory tag for ref-all pointers.
1833 2006-05-25 Richard Guenther <rguenther@suse.de>
1836 * fold-const.c (fold_binary): Do not look at the stripped
1837 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1839 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1841 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1842 for LT and GT if the computed range is effectively empty.
1844 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1847 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1848 mips_quad_format formats instead of ieee_single_format,
1849 ieee_double_format and ieee_quad_format formats, respectively.
1851 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1853 PR tree-optimization/27639
1854 PR tree-optimization/26719
1855 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1856 call to scev_probably_wraps_p.
1857 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1858 used_in_pointer_arithmetic_p, convert_step): Removed.
1859 (nowrap_type_p): New function.
1860 (scev_probably_wraps_p): Rewritten.
1861 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1862 chrec_convert if chrec_convert_aggressive might have been used.
1863 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1864 scev_direction): New functions.
1865 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1866 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1867 instead of convert_step.
1868 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1869 (convert_step): Declaration removed.
1870 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1872 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1874 * df-core.c: Added to header comments.
1875 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1876 df_ur_bb_info, df_urec_bb_info): Added comments.
1877 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1878 urec, ri problems): Fixed header comments.
1879 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1880 code from df_rd_transfer_function.
1882 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1884 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1885 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1886 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1888 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1890 * expr.c (undefined_operand_subword_p): New.
1891 (emit_move_multi_word): Do not generate move from undefined bits
1892 of a paradoxical subreg.
1894 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1896 PR rtl-optimization/27736
1897 * combine.c (replaced_rhs_value): New variable.
1898 (combine_instructions): Set it.
1899 (distribute_notes): When distributing a note in replaced_rhs_insn,
1900 check whether the value was used in replaced_rhs_value.
1902 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1905 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1906 add_referenced_var instead of add_referenced_tmp_var.
1907 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1908 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1910 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1911 tree_optimize_tail_calls_1): Use add_referenced_var.
1912 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1913 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1914 Use add_referenced_var.
1915 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1916 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1917 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1918 Use add_referenced_var.
1919 * tree-dfa.c (struct walk_state): Remove.
1920 (find_referenced_vars): Remove walk state and vars_found hash table.
1921 (make_rename_temp): Use add_referenced_var.
1922 (find_vars_r): Pass less parameters to add_referenced_var.
1923 (referenced_var_p): New. Is var in referenced_var hash table.
1924 (referenced_var_insert): Assert var isn't already in hash table.
1925 (add_referenced_var): Don't need walk_state parameter. Add var if it
1926 isn't already in the hash table.
1927 (add_referenced_tmp_var): Remove.
1928 (find_new_referenced_vars_1): Use add_referenced_var.
1929 * tree-ssa-pre.c (create_expression_by_pieces,
1930 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1931 Use add_referenced_var.
1932 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1933 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1934 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1936 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1937 vect_create_data_ref_ptr, vect_create_destination_var,
1938 vect_init_vector, vect_build_loop_niters,
1939 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1940 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1941 Use add_referenced_var.
1942 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1943 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1944 (add_referenced_var): Add prototype.
1945 * tree-ssa-structalias.c (get_constraint_for,
1946 intra_create_variable_infos): Use add_referenced_var.
1948 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1950 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1951 big-endian paradoxical subregs.
1952 * var-tracking.c (struct micro_operation_def): Document that,
1953 for modify micro operations, insn is the subsequent instruction.
1954 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1955 (var_reg_set, var_mem_set): ... new functions.
1956 (add_stores): Record subsequent insn.
1957 (compute_bb_dataflow): Use new functions for MO_USE.
1958 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1959 notes after the insn, and modify notes before the insn known
1960 to be the subsequent one.
1961 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1963 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1966 * config/i386/i386.c (ix86_expand_builtin): Use
1967 gen_sse3_monitor64 for TARGET_64BIT.
1969 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1971 PR rtl-optimization/26375
1972 PR rtl-optimization/26855
1973 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1975 (df_ru_bb_local_compute): Reversed statements and removed bogus
1976 comment explaining why they should be in wrong order.
1977 (df_ru_dump, df_rd_dump): Enhanced debug info.
1978 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1980 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1981 reaching uses and fixed space problem.
1983 2006-05-23 Jan Hubicka <jh@suse.cz>
1985 * cgraphunit.c (decide_is_function_needed): Also nested functions
1986 and functions declared inline can be optimized out at -O0.
1988 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1990 * doc/install.texi (Configuration): Remove reference to CrossGCC
1994 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1997 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1998 ix86_compare_emitted is non-NULL.
2000 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2003 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2006 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2008 PR rtl-optimization/25514
2009 * combine.c (replaced_rhs_insn): New variable.
2010 (combine_instructions): Set replaced_rhs_insn when trying to replace
2011 a SET_SRC with a REG_EQUAL note.
2012 (distribute_notes): Use replaced_rhs_insn when determining the live
2013 range of a REG_DEAD register.
2015 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2016 Anatoly Sokolov <aesok@post.ru>
2018 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2019 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2020 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2021 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2022 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2023 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2024 at90usb647, at90usb1286 and at90usb1287 devices.
2025 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2026 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2028 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2030 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2032 2006-05-22 Richard Guenther <rguenther@suse.de>
2035 2006-01-31 Richard Guenther <rguenther@suse.de>
2036 Paolo Bonzini <bonzini@gnu.org>
2038 * doc/install.texi (--disable-libgcc-math): Document.
2040 2006-05-22 Richard Guenther <rguenther@suse.de>
2043 2006-01-31 Richard Guenther <rguenther@suse.de>
2045 * doc/invoke.texi (-msselibm): Document.
2046 * target.h (expand_library_builtin): New target hook.
2047 * builtins.c (expand_builtin): Use expand_library_builtin.
2048 (default_expand_library_builtin): New function.
2049 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2050 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2051 (link_gcc_math_spec): Declare.
2052 (static_specs): Add link_gcc_math_spec.
2053 * expr.h (default_expand_library_builtin): Declare.
2054 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2055 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2056 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2057 * config/i386/i386.opt (msselibm): New target option.
2058 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2059 (ix86_init_sse_abi_builtins): New function.
2060 (ix86_expand_library_builtin): Likewise.
2061 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2062 (override_options): Handle error conditions wrt -msselibm.
2063 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2064 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2065 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2068 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2071 * c-common.c (self_promoting_args_p): Skip erroneous args.
2074 * c-decl.c (finish_struct): Skip erroneous fields.
2076 2006-05-22 Nick Clifton <nickc@redhat.com>
2078 * config/cris/cris.opt (march): Remove VarExists attribute.
2079 (max-stackframe=): Likewise.
2081 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2083 * doc/rtl.texi: Fix a typo.
2084 * see.c: Fix comment typos.
2086 * tree-ssa-structalias.h (alias_info): Remove num_references.
2088 2006-05-21 Mike Stump <mrs@apple.com>
2090 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2092 (darwin_pragma_options): Use BAD instead.
2093 (darwin_pragma_unused): Likewise.
2094 (darwin_pragma_ms_struct): Likewise.
2096 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2098 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2100 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2102 PR rtl-optimization/27671
2103 * simplify-rtx.c (simplify_relational_operation_1): Fix
2104 simplifications of (eq/ne (xor x y) y) and
2105 (eq/ne (xor x y) x).
2107 PR tree-optimization/26622.
2108 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2111 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2113 * tree-cfg.c: Prune whitespace.
2114 (debug_tree_cfg): Point to correct header containing the
2117 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2120 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2122 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2125 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2126 or sorry count is non zero.
2128 2006-05-20 Andreas Schwab <schwab@suse.de>
2130 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2132 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2133 Kenneth Zadeck <zadeck@naturalbridge.com>
2135 PR rtl-optimization/26855
2137 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2139 (df_scan_alloc): Added code to properly handle multiword hard
2140 registers and add all_blocks parameter.
2141 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2142 code to properly handle multiword hard registers.
2143 (df_rescan_blocks): Added code to remove deleted blocks from
2145 (df_ref_create_structure, df_ref_record): Added code to properly
2147 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2148 and set DF_REF_PARTIAL.
2149 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2150 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2151 (df_scan_add_problem): Added flags parameter.
2152 (df_ref_create_structure): Changed switching structure.
2153 (df_bb_refs_record): Fixed case where duplicate artificial refs
2154 were created. Changed location of flags.
2155 (df_record_entry_block_defs): Added code to make stack pointer
2156 live in entry block. Refined cases where frame pointer is needed.
2157 Changed location of flags.
2158 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2159 (df_set_state): Removed function.
2160 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2161 df_insn_create_insn_record, df_insn_refs_delete,
2162 df_ref_create_structure): Formatting changes.
2163 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2164 df_delete_basic_block): New function.
2165 (df_init): Changed location of flags.
2166 (df_add_problem): Added flags parameter and the way flags are
2168 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2169 debug_df_chain): Improved debugging output.
2170 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2171 (df_refs_chain_dump): Removed df parameter.
2172 (df_iterative_dataflow): Added consistency check.
2173 (df_prune_to_subcfg): Made public.
2174 (df_analyze_problem): Added blocks_to_init parameter and made
2176 (df_ref_record, df_bb_refs_record, df_mark_reg,
2177 df_record_exit_block_uses): Whitespace changes.
2178 (df_dump): Whitespace changes.
2179 * df.h: Some reordering to remove forward references.
2180 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2181 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2182 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2183 (dataflow.flags): New field.
2184 (df.flag): Deleted field.
2185 (df_alloc_function): Added additional bitmap parameter.
2186 (df_dependent_problem_function): New type.
2187 (df_problem.changeable_flags): New field.
2188 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2189 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2190 (df_mw_hardreg): New struct.
2191 (DF_INSN_UID_MWS): New macro.
2192 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2194 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2195 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2196 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2197 (df_set_state): Removed function.
2198 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2199 * df-problems.c (df_chain_dump): Removed df parameter.
2200 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2201 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2203 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2204 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2205 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2206 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2207 DF_REF_MUST_CLOBBER cases.
2208 (df_ru_bb_local_compute_process_def,
2209 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2210 df_lr_bb_local_compute, df_ur_bb_local_compute,
2211 df_chain_create_bb): Made subreg aware.
2212 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2213 df_lr_bb_local_compute, df_lr_bb_local_compute,
2214 df_chain_create_bb): Cleanup to use proper macros.
2215 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2216 code to fixup bitvectors.
2217 (df_ri_alloc): Cleared lifetime.
2218 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2219 df_create_unused_note): New function.
2220 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2221 REG_DEAD and REG_UNUSED notes as well as register information.
2222 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2223 df_chains_dump): Fixed crash if problem was never run.
2224 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2225 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2226 df_ri_add_problem): Processes flags in uniform manner.
2227 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2228 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2229 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2230 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2231 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2232 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2233 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2234 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2235 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2236 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2237 * see.c (see_initialize_data): Ditto.
2238 * final.c (rest_of_clean_state) Added regstack_completed.
2239 * rtl.h (regstack_completed): Ditto.
2240 * reg-stack.c (regstack_completed): Ditto.
2242 2006-05-19 Mike Stump <mrs@apple.com>
2244 * c-tree.h (default_conversion): Remove.
2245 * c-common.h (default_conversion): Add.
2247 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2249 * tree-vrp.c (valid_value_p): New function.
2250 (adjust_range_with_scev): Fail if the value of bound is not
2253 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2255 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2256 (mips_fallback_frame_state): Use syscall numbers to determine
2257 the appropriate li instruction for the current ABI. Only use
2258 __NR_sigreturn for o32.
2260 2006-05-19 Nicolas Setton <setton@adacore.com>
2262 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2263 * langhooks.c (lhd_dwarf_name): New function.
2264 * langhooks-def.h (lhd_dwarf_name): Declare.
2265 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2266 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2267 * ada/misc.c (gnat_dwarf_name): New function.
2268 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2270 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2272 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2274 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2275 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2276 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2277 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2278 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2279 determine the size of Wtype, etc.
2280 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2281 (swfloatfuncs): New variable.
2282 (dwfloatfuncs): Likewise.
2283 (lib2funcs): Remove floating-point conversion functions from
2284 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2285 the set of conversion routines needed. Allow entries to specify
2286 an object name, filename and word size. Update users accordingly.
2287 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2288 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2292 2006-02-08 Roger Sayle <roger@eyesopen.com>
2295 * config/fixtfdi.c: New libgcc source file.
2296 * config/fixunstfdi.c: New source file.
2297 * config/floatditf.c: New source file.
2298 * config/floatunditf.c: New souce file.
2299 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2300 files above instead of config/mips/_tilib.c.
2301 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2303 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2305 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2306 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2308 2006-05-18 Mike Stump <mrs@apple.com>
2310 Fix up vla, vm and [*] sematics.
2316 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2317 (c_vla_unspec_p): Add.
2318 (c_vla_type_p): Add.
2319 * c-decl.c (struct c_scope): Add had_vla_unspec.
2320 (build_array_declarator): Add support for [*].
2321 (grokdeclarator): Likewise.
2322 (grokparms): Likewise.
2323 (get_parm_info): Likewise.
2324 * c-objc-common.c (c_vla_unspec_p): Likewise.
2325 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2326 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2327 typeof when argument is a variably modified type not inside sizeof or alignof.
2328 (c_parser_direct_declarator_inner): Propagate errors.
2329 (c_parser_sizeof_expression): Add support for [*].
2330 (c_parser_parms_declarator): Initialize had_vla_unspec.
2331 (c_parser_parms_list_declarator): Likewise.
2332 * c-typeck.c (c_vla_type_p): Add.
2333 (composite_type): Add support for vla compositing.
2334 (comptypes_internal): Add support for vla compatibility.
2335 (c_expr_sizeof_expr): Evaluate vla arguments.
2336 * tree.c (variably_modified_type_p): Update comment for [*].
2338 2006-05-18 Michael Matz <matz@suse.de>
2341 * config.host: Make assignments to host_xmake_file cumulative.
2342 * config.host (*-darwin*): Test $host, not $target.
2344 2006-05-12 Stuart Hastings <stuart@apple.com>
2346 * config/i386/i386.opt (-mstackrealign): New flag.
2347 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2348 (ix86_handle_cconv_attribute): Emit error when
2349 force_align_arg_pointer attribute collides with too many regparms.
2350 (ix86_function_regparm): Limit regparms when used with
2351 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2352 Support stack-realigning prologue in non-main functions. Emit
2353 warning for nested functions under -mstackrealign, emit error for
2354 nested functions with force_align_arg_pointer attribute.
2355 * doc/extend.texi (force_align_arg_pointer): Document it.
2356 * doc/invoke.texi (-mstackrealign): Document it.
2358 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2360 PR rtl-optimization/27477
2361 * combine.c (try_combine): Don't split a parallel consisting
2362 of two sets into two individual sets if both sets reference
2365 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2367 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2368 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2370 * doc/options.texi (VarExists): Updated.
2372 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2374 * unwind-dw2.c: Add declarations for uw_update_context and
2376 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2377 detected, advance frame state and context once to skip over stub.
2379 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2383 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2384 Call rewrite_into_loop_closed_ssa only when something changed.
2385 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2386 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2387 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2388 Test for perfect_nest_p here. Fix formating.
2389 (replace_uses_equiv_to_x_with_y): Fix formating.
2390 (stmt_uses_op): Removed.
2391 (can_convert_to_perfect_nest): Removed loopivs parameter.
2392 Complete the test by checking the scalar dependences.
2393 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2396 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2399 From Dan Kegel <dank@kegel.com>:
2400 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2402 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2404 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2405 if the element type is variably modified without recursing.
2407 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2410 * tree-loop-linear.c (try_interchange_loops): Test for
2411 no data dependences.
2413 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2415 PR tree-optimization/27548
2416 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2417 range of ssa names that appear on abnormal edges.
2418 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2419 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2421 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2424 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2426 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2429 * tree.h (OMP_PARALLEL_COMBINED): Define.
2430 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2431 (new_omp_context): Add is_combined_parallel argument.
2432 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2433 new_omp_context caller.
2434 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2435 Adjust gimplify_scan_omp_clauses callers.
2436 (omp_is_private): Issue errors if iteration variable is firstprivate
2437 or reduction in the current context.
2438 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2439 on combined parallel workshare constructs.
2441 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2443 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2444 (gcc-options.o): New rule.
2446 * optc-gen.awk: Protect variables for gcc-options.o with
2447 #ifdef GCC_DRIVER/#endif.
2449 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2451 Fix PR tree-optimization/27373
2452 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2453 (forward_propagate_addr_expr): Update call.
2455 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2457 * doc/options.texi: Move the Negative option.
2459 2006-05-16 Richard Guenther <rguenther@suse.de>
2461 PR tree-optimization/22303
2462 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2464 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2465 ccp_fold did not simplify the statement.
2467 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2470 * Makefile.in (GCC_OBJS): New.
2471 (OBJS-common): Add opts-common.o.
2472 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2473 (cpp$(exeext)): Likewise.
2474 (gcc.o): Also depend on opts.h.
2475 (opts-common.o): New.
2477 * common.opt (gcoff): Add Negative(gdwarf-2).
2478 (gdwarf-2): Add Negative(gstabs).
2479 (gstabs): Add Negative(gstabs+).
2480 (gstabs+): Add Negative(gvms).
2481 (gvms): Add Negative(gxcoff).
2482 (gxcoff): Add Negative(gxcoff+).
2483 (gxcoff+): Add Negative(gcoff).
2484 * config/i386/i386.opt (m32): Add Negative(m64).
2485 (m64): Add Negative(m32).
2487 * doc/options.texi: Document the Negative option.
2489 * gcc.c: Include "opts.h".
2490 (main): Call prune_options after expandargv.
2492 * optc-gen.awk: Generate common declarations for all flag
2493 variables in options.c. Output the neg_index field.
2495 * opts.c (find_opt): Moved to ...
2496 * opts-common.c: Here. New file.
2498 * opts.h (cl_option): Add a neg_index field.
2500 (prune_options): Likewise.
2502 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2505 * omp-low.c (expand_omp_parallel): Don't assert
2506 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2507 instead search for it.
2510 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2513 2006-05-16 Andreas Schwab <schwab@suse.de>
2515 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2518 2006-05-15 Roger Sayle <roger@eyesopen.com>
2521 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2522 integer constants other than zero are only legitimate on TARGET_64BIT.
2523 <CONST_VECTOR> Only zero vectors are legitimate.
2524 (ix86_cannot_force_const_mem): Integral and vector constants can
2525 always be put in the constant pool.
2527 2006-05-16 DJ Delorie <dj@redhat.com>
2529 * crtstuff.c (__dso_handle): Set section from
2530 TARGET_LBIGCC_SDATA_SECTION if defined.
2531 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2532 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2534 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2537 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2540 2006-05-16 Ben Elliston <bje@au.ibm.com>
2542 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2544 2006-05-15 Per Bothner <per@bothner.com>
2546 * tree.c: (last_annotated_node): Use source_locus typedef.
2547 This permits bootstrapping with --enable-mapped-location.
2549 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2551 PR tree-optimization/26830
2552 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2553 (info_for_ssa_name, current_info_for_ssa_name_age,
2554 blocks_to_update): New variables.
2555 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2556 (clear_ssa_name_info, initialize_flags_in_bb,
2557 mark_block_for_update): New functions.
2558 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2559 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2560 prepare_def_site_for): Use mark_block_for_update.
2561 (mark_def_interesting): Assert that the processed block is marked in
2562 blocks_to_update. Do not take blocks argument.
2563 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2565 (rewrite_update_init_block, rewrite_update_stmt): Only process
2566 blocks with statements to rewrite.
2567 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2568 (update_ssa): Initialize and free blocks_to_update. Do not
2569 clear flags on statements. Do not use blocks bitmap.
2570 * tree.h (SSA_NAME_AUX): Removed.
2571 (struct tree_ssa_name): Removed aux field.
2572 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2574 2006-05-15 Richard Guenther <rguenther@suse.de>
2576 PR tree-optimization/27603
2577 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2578 Do computations in original type.
2580 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2582 * see.c: Code style changes such as redundant paranthesis,
2583 redundant intialization of local variables etc.
2584 (see_main): Declared now as static.
2585 * doc/invoke.texi: Update that -fsee is not enabled by
2588 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2590 * omp-low.c (check_omp_nesting_restrictions): New function.
2591 (scan_omp_1): Call it.
2594 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2595 construct, return *VAR.
2597 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2599 PR rtl-optimization/27406
2600 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2603 2006-05-14 Roger Sayle <roger@eyesopen.com>
2605 PR rtl-optimization/27538
2606 * combine.c (expand_compound_operation): Call gen_lowpart
2607 before calling simplify_shift_const.
2609 2006-05-14 Roger Sayle <roger@eyesopen.com>
2611 PR rtl-optimization/22563
2612 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2613 a fixed width bitfield, always force the intermediates into psuedos.
2615 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2618 * mkconfig.sh: Use operator = instead of == for test.
2620 2006-05-13 Nick Clifton <nickc@redhat.com>
2622 * dwarf2out.c (dbx_reg_number): Check return value from
2623 LEAF_REG_REMAP and only use it if it is valid.
2624 (multiple_reg_loc_descriptor): Likewise.
2626 2006-05-13 Richard Guenther <rguenther@suse.de>
2628 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2631 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2633 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2634 information attached to non-INSNs such as NOTEs.
2635 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2637 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2639 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2641 * config/s390/s390.md: Adjust comment describing On constraint.
2643 2006-05-11 Jan Hubicka <jh@suse.cz>
2645 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2646 to be output at -O0.
2648 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2651 * fold-const.c (size_binop): Move sanity check for arguments to
2652 the beginning of the function.
2655 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2658 2006-05-11 Richard Guenther <rguenther@suse.de>
2661 * fold-const.c (fold_unary): Handle intermediate conversion
2662 to a pointer type like intermediate conversion to an integer
2663 type in folding of (T1)(T2)var to var.
2664 Match the code to the comment in the final conversion for
2665 (T1)(T2)var to (T1)var regarding to type precision. Rather
2666 than disallow T1 being of pointer type, assert that both T1
2667 and var are of pointer type or not. Make sure not to fall
2668 over the frontends lazyness wrt array to pointer decay though.
2670 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2672 * arm.c (arm_struct_value_rtx): Delete.
2673 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2674 (arm_init_cumulative_args): Always initialize nregs to zero.
2676 2006-05-10 Richard Guenther <rguenther@suse.de>
2678 PR tree-optimization/27532
2679 * tree-object-size.c (plus_expr_object_size): Fix typo.
2681 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2684 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2685 ashrdi_const, ashrdi3): Use a scratch register.
2687 2006-05-10 Richard Guenther <rguenther@suse.de>
2689 PR tree-optimization/27302
2690 * fold-const.c (operand_equal_p): For two comparisons,
2691 try comparison of one comparison code swapped if that yields
2694 2006-05-10 Ben Elliston <bje@au.ibm.com>
2696 * tree-pretty-print.c (pretty_print_string): No need to handle
2697 '\0' as a special character.
2699 * tree.h: Include "hashtab.h".
2700 (iterative_hash_expr): Use hashval_t in its prototype.
2701 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2703 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2706 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2707 (hppa*64*-*-hpux11*): Ditto.
2708 (hppa[12]*-*-hpux11*): Ditto.
2710 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2713 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2715 2006-05-09 Michael Matz <matz@suse.de>
2717 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2718 host_extra_gcc_objs and host_xmake_file.
2719 (<*-*-linux*>): Don't overwrite host_xmake_file.
2720 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2721 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2722 (host_detect_local_cpu): Declare.
2723 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2724 * config/i386/i386.c (override_options): Handle -mtune=native
2726 * config/i386/x-i386: New file.
2727 * config/i386/driver-i386.c: New file.
2728 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2731 2006-05-09 Dirk Mueller <dmueller@suse.de>
2732 Richard Guenther <rguenther@suse.de>
2735 * fold-const.c (fold_read_from_constant_string): Relax check
2736 for matching types to matching modes.
2738 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2740 PR rtl-optimization/27335
2741 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2744 2006-05-08 Chao-ying Fu <fu@mips.com>
2745 Richard Sandiford <richard@codesourcery.com>
2747 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2748 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2749 * config/mips/mips.md (UNSPEC_SCC): New constant.
2750 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2751 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2752 (mips_emit_compare): Use it.
2753 (mips_expand_vcondv2sf): New function.
2755 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2757 Fix PR tree-optimization/27093
2758 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2759 renaming when they become not-used_alone.
2761 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2763 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2764 relocation and relocation stubs.
2766 2006-05-08 Eric Christopher <echristo@apple.com>
2768 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2771 2006-05-08 Jan Hubicka <jh@suse.cz>
2774 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2775 unused static functions are needed.
2777 2006-05-08 Roger Sayle <roger@eyesopen.com>
2780 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2781 of a reg_equiv_constant if the result is a legitimate constant.
2783 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2786 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2787 standard 80387 constants, raise the cost to prevent
2788 compress_float_constant() to generate load from memory.
2790 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2792 * config/arm/constraints.md (c): Fix a typo.
2794 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2797 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2800 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2802 (_mm_mwait): Likewise.
2804 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2806 (sse3_monitor): Make it 32bit only.
2807 (sse3_monitor64): New. 64bit monitor.
2809 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2812 * config/i386/i386.c (classify_argument): Skip fields with invalid
2815 2006-05-07 Richard Guenther <rguenther@suse.de>
2817 PR tree-optimization/27409
2818 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2819 Do not try to find zero-sized subvars.
2821 2006-05-07 Richard Guenther <rguenther@suse.de>
2823 PR tree-optimization/27136
2824 * tree-ssa-loop-niter.c (get_val_for): Correct function
2825 comment, assert requirements.
2826 (loop_niter_by_eval): Stop processing if the iterated
2827 value did not simplify.
2829 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2831 * opts.c (flag_see): remove its setting at -O3.
2833 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2835 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2836 * arm/constraints.md: New file.
2837 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2838 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2839 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2840 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2841 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2842 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2843 * arm.md: Include constraints.md.
2844 (thumb_movsi_insn): Use satisfies_constraint_J.
2845 (movhi, movqi): Use satisfies_constraint_I.
2847 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2849 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2850 for atmeg a645 device.
2852 2006-05-06 Richard Guenther <rguenther@suse.de>
2854 PR tree-optimization/27151
2855 * tree-vect-transform.c (vectorizable_condition): Punt on
2856 values that have a different type than the condition.
2858 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2861 * c-parser.c (c_parser_cast_expression): Only insert casts into
2862 hash table if pointer.
2863 * function.c (used_types_insert_helper): Rename from
2865 (used_types_insert): Call used_types_insert_helper.
2866 * function.h (used_types_insert): Accept only one argument.
2868 2006-05-05 David Edelsohn <edesohn@gnu.org>
2870 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2871 scratch with output modifier.
2873 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2876 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2877 with output modifier.
2879 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2882 * config/mips/mips.c (mips_symbolic_address_p): Return true
2883 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2884 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2886 2006-05-04 Richard Guenther <rguenther@suse.de>
2888 PR tree-optimization/14287
2889 PR tree-optimization/14844
2890 PR tree-optimization/19792
2891 PR tree-optimization/21608
2892 PR tree-optimization/27090
2893 * tree-ssa-pre.c (try_combine_conversion): New function.
2894 (compute_avail): After constructing the value-handle
2895 expression, use try_combine_conversion to combine NOP_EXPRs
2896 with previous value-handle expressions and use the result if it
2899 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2901 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2903 2006-05-04 Jan Hubicka <jh@suse.cz>
2906 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2908 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2910 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2911 that this only matches CONST_INTs. All users changed to VOIDmode
2914 * config/bfin/bfin.c: Include "optabs.h".
2915 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2917 (enum bfin_builtins): Add a number of fractional and vector builtins.
2918 (bfin_init_builtins): Likewise.
2919 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2920 (safe_vector_operand, bfin_expand_binop_builtin,
2921 bfin_expand_unop_builtin): New functions.
2922 (bfin_expand_builtin): Handle the new builtins.
2923 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2926 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2929 * Makefile.in (OBJS-common): Add see.o.
2930 (see.o): Add dependencies.
2931 * common.opt (fsee): New flag for the see optimization was added.
2932 * opts.c (flag_see): Initialized.
2933 * passes.c (init_optimization_passes, pass_see): New pass.
2934 * rtl.h (see_main): Declaration as extern.
2935 * timevar.def (TV_SEE): New.
2936 * tree-pass.h (pass_see): Declaration as extern.
2937 * invoke.texi (-fsee): Document.
2938 * recog.c (validate_simplify_insn): New function.
2939 * recog.h (validate_simplify_insn): Declaration as extern.
2940 * df-problems.c (df_chain_dump): Check for NULL.
2942 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2943 Daniel Berlin <dberlin@dberlin.org>
2945 * cfgrtl.c (insert_insn_bb_end_new): New function.
2946 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2948 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2950 * df.h (struct web_entry): Moved from web.c.
2951 (union_defs): Declaration as extern.
2952 (unionfind_root): Likewise.
2953 (unionfind_union): Likewise.
2954 * web.c (struct web_entry): Moved to df.h.
2955 (unionfind_root): Remove static declaration.
2956 (unionfind_union): Likewise.
2957 (union_defs): Likewise and generalize to use callback function.
2958 (web_main): Update arguments for union_defs function call.
2960 2006-05-04 Richard Guenther <rguenther@suse.de>
2962 PR tree-optimization/26447
2963 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2964 produce SSA_NAME copies before the store stmt to avoid
2965 breaking exception handling.
2967 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2970 * gimplify.c (omp_is_private): If var is shared in some outer context,
2971 return false instead of true. Stop searching on parallel context
2974 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2977 * coverage.c: Use get_gcov_unsigned_t() instead of
2978 unsigned_type_node all over.
2980 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2982 PR tree-optimization/27381
2983 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2984 maintain the same immediate_use links.
2985 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2986 node rather than segfaulting.
2988 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2991 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2992 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2993 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2995 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2997 Fix PR tree-optimization/26626
2998 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3000 * tree-ssa-operands.c (access_can_touch_variable): Allow
3001 typecasting through union pointers.
3003 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3006 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3007 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3008 to find if var will be a global variable even in the nested context.
3009 (omp_copy_decl): Only check for global variable at the end, it might
3010 be overridden in outer contexts.
3011 (scan_sharing_clauses): For global variables don't create a field.
3012 (lower_rec_input_clauses): Do nothing for global shared variables.
3013 Emit a barrier at the end of ILIST if there were any decls in both
3014 firstprivate and lastprivate clauses.
3015 (lower_send_clauses): Do nothing for global variables except for
3018 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3020 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3021 of the correct signedness is returned.
3023 2006-05-02 Jeff Law <law@redhat.com>
3025 PR tree-optimization/27364
3026 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3027 multiply expressions.
3029 2006-05-02 Tom Tromey <tromey@redhat.com>
3031 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3033 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3036 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3037 -mthumb -fPIC are used.
3039 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3040 Joshua Kinard <kumba@gentoo.org>
3043 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3044 with 64-bit pointers.
3046 2006-05-02 Paul Brook <paul@codesourcery.com>
3048 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3050 (create_fix_barrier): Check that a suitable barrier location is
3052 (arm_reorg): Include ftmp->address in allowable range of addresses.
3054 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3057 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3060 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3063 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3064 around RESULT_DECL for result passed by reference.
3065 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3066 * omp-low.c (use_pointer_for_field): Don't look at
3067 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3068 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3069 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3070 time or var for passing by reference for
3071 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3072 TREE_ADDRESSABLE variables when passing by reference.
3074 * omp-low.c (dump_omp_region): Fix output formatting.
3077 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3078 (expand_omp_parallel): Likewise.
3079 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3082 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3083 on statement list containing also constructors and destructors.
3084 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3087 * except.c (duplicate_eh_regions): Fix clearing of
3088 cfun->eh->region_array entries.
3090 2006-05-01 DJ Delorie <dj@redhat.com>
3092 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3094 (gcc_cv_objdump): Likewise.
3095 * configure: Regenerated.
3097 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3100 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3101 templates for case 3 and 4.
3103 2006-05-01 DJ Delorie <dj@redhat.com>
3105 * vec.c: Include bconfig.h when appropriate.
3106 * Makefile.in (build/vec.o): Adjust dependencies.
3107 * mkconfig.sh: Make sure config.h isn't used for build machine
3110 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3112 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3114 (mark_phi_for_rewrite): New function.
3115 (insert_phi_nodes_for, mark_use_interesting): Call
3116 mark_phi_for_rewrite.
3117 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3118 (update_ssa): Initialize and free phis_to_rewrite.
3120 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3122 PR rtl-optimization/27291
3123 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3124 folded to a constant.
3126 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3128 PR tree-optimization/27283
3129 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3130 not whole # of iteration descriptions.
3131 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3132 uses abnormal ssa name.
3133 (niter_for_single_dom_exit): Ditto.
3134 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3135 return just the number of iterations.
3137 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3139 PR tree-optimization/27144
3140 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3141 (record_estimate): Only record constant upper bound.
3142 (infer_loop_bounds_from_undefined): Call
3143 compute_estimated_nb_iterations just once.
3144 (proved_non_wrapping_p): Renamed to ...
3145 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3146 (convert_step_widening, scev_probably_wraps_p): Call
3147 n_of_executions_at_most instead of proved_non_wrapping_p.
3148 (substitute_in_loop_info): Do not replace values in bounds.
3149 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3152 2006-05-01 Richard Henderson <rth@redhat.com>
3155 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3156 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3159 2006-05-01 Roger Sayle <roger@eyesopen.com>
3161 * c-typeck.c (parser_build_binary_op): Don't call the function
3162 unsigned_conversion_warning to spot operand/result type overflow.
3163 (build_binary_op): Instead, call convert_and_check instead of
3164 convert to report the problem when the operands are promoted.
3165 * c-common.c (unsigned_conversion_warning): Make static.
3166 * c-common.h (unsigned_conversion_warning): Delete prototype.
3168 2006-05-01 Richard Guenther <rguenther@suse.de>
3170 PR tree-optimization/26726
3171 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3173 (find_interesting_uses_address): ... we work around here
3174 by folding INDIRECT_REFs in the substituted base.
3176 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3178 * omp-low.c (dump_omp_region): Add newlines.
3180 2006-04-30 Roger Sayle <roger@eyesopen.com>
3182 * common.opt (Woverflow): New command line option.
3183 * c-common.c (constant_expression_warning): Check warn_overflow.
3184 (overflow_waring): Pass OPT_Woverflow to warning.
3185 (unsigned_conversion_warning): Likewise.
3186 (convert_and_check): Likewise.
3187 * doc/invoke.texi: Document new command line option.
3189 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3191 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3192 TARGET_NO_FP_IN_TOC for section anchors.
3193 (optimization_options): Enable section anchors for all
3194 non-"Objective" languages.
3196 2006-04-28 Eric Christopher <echristo@apple.com>
3198 * config/darwin-c.c (darwin_ms_struct): Move this
3199 (darwin_set_default_type_attributes): and this...
3200 * config/darwin.c: ... here.
3201 * config/darwin.h (darwin_ms_struct): Declare.
3203 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3205 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3207 2006-04-28 Roger Sayle <roger@eyesopen.com>
3210 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3211 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3212 an unsigned HOST_WIDE_INT.
3213 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3215 (really_start_incremental_init): No need to call convert because
3216 bitsize_zero_node is already of type bitsizetype.
3217 (push_init_level): Extract the value of constructor_index as an
3218 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3219 (process_init_element): Likewise.
3221 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3223 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3224 value before passing to make_relative_prefix.
3226 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3229 * builtins.c (expand_builtin_memset): Expand val in original mode.
3231 2006-04-27 Eric Christopher <echristo@apple.com>
3233 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3234 with #ifndef/#endif.
3235 * config/darwin-c.c (darwin_ms_struct): New.
3236 (darwin_pragma_ms_struct): Ditto.
3237 (darwin_set_default_type_attributes): Ditto.
3238 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3239 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3240 Register ms_struct pragma.
3241 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3242 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3243 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3244 darwin_set_default_type_attributes if TARGET_MACHO.
3246 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3248 PR tree-optimization/26854
3249 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3250 * doc/tree-ssa.texi: Update immuse iterator documentation.
3251 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3252 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3253 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3254 first_safe_imm_use, next_safe_imm_use): Remove.
3255 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3256 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3257 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3258 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3259 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3260 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3261 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3262 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3263 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3264 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3265 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3266 (perfect_nestify): Use new iterator.
3267 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3269 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3270 (next_imm_name): New field in struct immediate_use_iterator_d.
3271 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3272 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3273 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3274 * tree-cfg.c (replace_uses_by): Use new iterator.
3275 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3276 * tree-ssa-operands.c (correct_use_link): Remove.
3277 (finalize_ssa_use_ops): No longer call correct_use_link.
3279 2006-04-27 Stuart Hastings <stuart@apple.com>
3281 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3282 * config/t-darwin (crt3.o): Use it.
3283 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3284 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3285 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3286 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3287 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3290 2006-04-27 Roger Sayle <roger@eyesopen.com>
3292 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3293 size, force the intermediate into a new pseudo rather instead of
3294 performing both a bitwise AND and a bitwise IOR in memory.
3296 2006-04-27 Richard Guenther <rguenther@suse.de>
3298 PR rtl-optimization/26685
3299 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3300 this one "max-flow-memory-locations".
3302 2006-04-27 Richard Guenther <rguenther@suse.de>
3304 PR tree-optimization/25148
3305 * tree-vrp.c (compare_values): Remove code dealing with
3306 comparisons against type min/max value. Honour overflow
3307 and negative constants in code dealing with comparisons
3308 of plus and minus expressions.
3309 (value_inside_range): Use fold_binary with LE_EXPR and
3310 GE_EXPR rather than compare_values.
3312 2006-04-27 Dirk Mueller <dmueller@suse.de>
3314 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3317 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3319 * basic-block.h (safe_insert_insn_on_edge): Removed.
3320 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3322 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3323 Paolo Bonzini <bonzini@gnu.org>
3326 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3327 (simplify_and_const_int): Same.
3329 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3331 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3333 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3336 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3337 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3338 cgraph_global_info_ready.
3341 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3344 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3345 either decl or init is error_mark_node.
3348 * tree-flow.h (struct omp_region): Add sched_kind.
3349 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3350 instead of extracting omp for data.
3351 (expand_omp_for): Save extracted sched_kind.
3353 2006-04-25 Roger Sayle <roger@eyesopen.com>
3355 * expmed.c (store_bit_field): Also check whether the bitsize is
3356 valid for the machine's "insv" instruction before moving the
3357 target into a pseudo for use with the insv.
3358 * config/i386/predicates.md (const8_operand): New predicate.
3359 * config/i386/i386.md (extv, extzv, insv): Use the new
3360 const8_operand predicate where appropriate.
3362 2006-04-25 DJ Delorie <dj@redhat.com>
3364 * doc/install.texi (Specific): Clarify that this is not a list of
3365 supported hosts or targets.
3367 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3369 PR rtl-optimization/26725
3370 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3371 block's BB_DIRTY flag.
3373 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3375 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3378 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3379 to print an integer.
3381 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3383 * varasm.c (align_variable): New function.
3384 (get_block_for_decl): Apply align_variable to DECL before
3385 calculating section information.
3386 (assemble_variable): Split out alignment computation.
3388 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3390 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3393 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3395 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3396 MODE_PARTIAL_INT mode.
3397 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3398 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3400 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3401 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3403 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3405 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3407 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3408 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3409 MACFLAG_IH): Likewise.
3410 (movstricthi_1): Renamed from "*movstricthi".
3411 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3412 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3413 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3414 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3415 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3416 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3417 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3418 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3419 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3420 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3421 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3422 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3423 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3424 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3425 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3427 * doc/rtl.texi (ss_ashift): Improve wording.
3429 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3431 * dwarf2out.c (verify_marks_clear): New.
3432 (prune_unused_types): Call verify_marks_clear initially, not
3435 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3437 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3438 * doc/rtl.texi: Document them.
3439 * simplify-rtx.c (simplify_unary_operation,
3440 simplify_binary_operation_1): Don't abort when we see them.
3442 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3445 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3446 * configure.ac: Completely disregard languages that are not
3448 * configure: Regenerated.
3450 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3451 Richard Guenther <rguenther@suse.de>
3453 PR tree-optimization/27236
3454 * tree-inline.c (copy_body_r): Make sure to copy
3455 TREE_THIS_VOLATILE flag.
3457 2006-04-24 Richard Guenther <rguenther@suse.de>
3460 * tree-complex.c (update_parameter_components): Don't handle
3461 unused parameters which have no default def.
3463 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3464 Richard Guenther <rguenther@suse.de>
3466 PR tree-optimization/27218
3467 * tree-inline.c (expand_call_inline): Strip useless type
3468 conversions for the return slot address.
3470 2006-04-24 Richard Guenther <rguenther@suse.de>
3472 * cfgloop.h (struct loops): Remove unused field array. Reorder
3474 (LOOP_PREFETCH): Remove.
3476 2006-04-24 Richard Guenther <rguenther@suse.de>
3478 PR tree-optimization/22525
3479 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3480 variable, adjust types of generated expressions.
3482 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3484 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3485 (tree-vect-patterns.o): Likewise.
3487 (cselib.o): Likewise.
3488 (loop-doloop.o): Likewise.
3489 (regclass.o): Likewise.
3490 (reload1.o): Likewise.
3491 (explow.o): Replace target.h with $(TARGET_H).
3492 (ipa-prop.o): Likewise.
3493 (ipa-cp.o): Likewise.
3494 (ipa-inline.o): Likewise.
3495 (reorg.o): Likewise.
3496 (reg-stack.o): Likewise.
3498 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3500 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3502 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3504 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3506 * configure.ac: Completely disregard languages that are not
3508 * configure: Regenerated.
3511 * c-common.h (c_build_bitfield_integer_type): Declare.
3512 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3513 * c-common.c (c_build_bitfield_integer_type): ... here.
3515 2006-04-23 Roger Sayle <roger@eyesopen.com>
3518 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3519 a SImode SUBREG of a floating point register after no_new_pseudos.
3521 2006-04-23 Roger Sayle <roger@eyesopen.com>
3523 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3524 identify potentially eliminable registers to additionally catch
3525 VIRTUAL_INCOMING_ARGS_REGNUM.
3526 (addsi3): Update the conditions on when to use addsi_small_int.
3528 2006-04-23 Roger Sayle <roger@eyesopen.com>
3531 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3532 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3533 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3535 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3537 * fold-const.c (range_predecessor): Use operand_equal_p
3538 as the predicate for equality.
3539 (range_successor): Likewise.
3541 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3544 * config/soft-fp/op-common.h: Fix a typo.
3546 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3549 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3550 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3552 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3554 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3556 * doc/tm.texi: Fix a typo.
3558 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3560 * dwarf2out.c (struct die_struct): Document that die_sib makes
3561 a circular linked list.
3562 (FOR_EACH_CHILD): New.
3563 (reverse_die_lists): Delete.
3564 (reverse_all_dies): Delete.
3565 (add_dwarf_attr): Correct documentation.
3566 (remove_child_with_prev): New.
3567 (remove_child_TAG): Update for change to die_struct, use
3568 remove_child_with_prev.
3569 (add_child_die): Update for change to die_struct.
3570 (splice_child_die): Use remove_child_with_prev and add_child_die.
3571 (print_die): Use FOR_EACH_CHILD.
3572 (die_checksum): Likewise.
3573 (assign_symbol_names): Likewise.
3574 (output_location_lists): Likewise.
3575 (build_abbrev_table): Likewise.
3576 (calc_die_sizes): Likewise.
3577 (mark_dies): Likewise.
3578 (unmark_dies): Likewise.
3579 (unmark_all_dies): Likewise.
3580 (output_die): Likewise.
3581 (prune_unused_types_mark): Likewise.
3582 (prune_unused_types_walk): Likewise.
3583 (same_die_p): Update for change to die_struct.
3584 (break_out_includes): Likewise.
3585 (prune_unused_types_prune): Likewise.
3586 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3587 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3589 (dwarf2out_finish): Don't call reverse_all_dies.
3591 2006-04-21 Eric Christopher <echristo@apple.com>
3593 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3594 in comments and function names.
3596 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3599 * c-typeck.c (digest_init): Robustify.
3601 * c-typeck.c (pop_init_level): Simplify.
3603 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3605 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3607 2006-04-21 Paul Brook <paul@codesourcery.com>
3609 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3610 hardware floating point.
3612 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3614 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3617 2006-04-21 Nick Clifton <nickc@redhat.com>
3619 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3622 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3625 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3626 C++ lang type in traceback table for Objective-C++.
3628 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3630 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3632 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3634 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3637 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3638 were errors. Remove check for erroneous objects.
3640 2006-04-20 Jeff Law <law@redhat.com>
3642 PR tree-optimization/26854
3643 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3644 checking for zero or one use.
3645 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3646 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3647 * tree-ssa-reassoc.c (negate_value): Similarly.
3648 (reassociate_bb): Similarly.
3650 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3652 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3653 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3654 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3656 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3658 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3659 fp regs if the last fp arg doesn't fit in regs.
3661 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3664 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3665 that the last insn has the REG_INC note.
3667 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3668 Nathan Sidwell <nathan@codesourcery.com>
3671 * stor-layout.c (update_alignment_for_field): Do not align
3673 (place_union_field): Place union field at the start of the union.
3674 (place_field): Move ERROR_MARK check later, and use the current
3675 allocation position to maintain monotonicity.
3677 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3679 * dominance.c: Include timevar.h.
3680 (calculate_dominance_info): Use TV_DOMINANCE.
3681 * timevar.def (TV_DOMINANCE): New timevar.
3682 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3684 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3686 PR rtl-optimization/14261
3687 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3688 move would be an INSV insn.
3689 (noce_process_if_block): Don't optimize if the destination is a
3690 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3692 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3694 * config/s390/s390.md: Add comments with the instructions emitted
3695 by an insn pattern if macros are used.
3697 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3699 PR rtl-optimization/26026
3700 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3701 is a known power of two shifted left a variable amount.
3703 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3705 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3706 to hash table twice when the debug_str section has SECTION_MERGE.
3708 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3710 * config/soft-fp: New directory. From glibc.
3711 * config/soft-fp/t-softfp: New.
3712 * config/soft-fp/README: New.
3713 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3714 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3715 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3716 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3717 * config.gcc: Use rs6000/t-fprules-fpbit or
3718 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3720 * config/rs6000/sfp-machine.h: New. Based on glibc.
3721 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3723 * config/rs6000/t-fprules: Remove fp-bit rules.
3724 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3725 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3726 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3727 (softfp_wrap_start, softfp_wrap_end): New.
3729 2006-04-18 DJ Delorie <dj@redhat.com>
3731 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3733 2006-04-18 Devang Patel <dpatel@apple.com>
3735 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3737 2006-04-18 Nick Clifton <nickc@redhat.com>
3739 * config/sh/t-symbian: Add rule to build sh-c.o
3740 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3741 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3742 (sh_symbian_encode_section_info): Likewise.
3744 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3746 * builtins.c (expand_builtin_strcmp): Cover label definition of
3747 do_libcall with HAVE_cmpstrnsi.
3749 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3751 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3753 * function.h (temp_slot_p): New.
3754 (function): Change the type of x_used_temp_slots to
3755 VEC(temp_slot_p,gc) *.
3757 2006-04-18 Nick Clifton <nickc@redhat.com>
3759 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3760 flag_strength_reduce.
3762 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3764 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3768 Partial revert of revision 112637
3769 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3770 Dale Johannesen <dalej@apple.com>
3773 * regclass.c (struct reg_pref): Update documentation.
3774 (regclass): Set prefclass to NO_REGS if memory is the best option.
3775 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3777 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3779 PR tree-optimization/26821
3780 * tree-ssa-math-opts.c (get_constant_one): New.
3781 (insert_reciprocals): Use it.
3783 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3785 * dwarf2out.c (free_AT): Delete.
3786 (remove_AT): Update string ref counts.
3787 (remove_child_TAG): Don't call free_die.
3789 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3790 or DW_TAG_GNU_EINCL.
3791 (prune_unused_types_walk_attribs): Reset string refcounts.
3792 (prune_unused_types_update_strings): New.
3793 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3794 call free_die. Do call prune_unused_types_update_strings.
3795 (prune_unused_types): Empty debug_str_hash.
3797 2006-04-17 Roger Sayle <roger@eyesopen.com>
3799 * expr.c (expand_assignment): Optimize away no-op moves where the
3800 source and destination are equal and have no side-effects.
3802 2006-04-17 Richard Guenther <rguenther@suse.de>
3805 * reload.c (push_reload): Guard calls to get_secondary_mem
3808 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3810 * alias.c (reg_base_value, old_reg_base_value): Change the
3811 type to VEC(rtx,gc) *.
3812 (REG_BASE_VALUE, find_base_value, record_set,
3813 init_alias_analysis): Use VEC instead of VARRAY.
3815 * alias.c (alias_sets): Change the type to
3816 VEC(alias_set_entry,gc) *.
3817 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3818 VEC instead of VARRAY.
3819 (last_alias_set): Remove.
3821 * cgraph.h (cgraph_edge_p): New.
3822 Update the prototype of cgraph_function_versioning.
3823 * cgraphunit.c (cgraph_copy_node_for_versioning,
3824 cgraph_function_versioning): Use VEC instead of VARRAY.
3825 * ipa-cp.c (ipcp_insert_stage): Likewise.
3827 2006-04-16 Roger Sayle <roger@eyesopen.com>
3830 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3831 "A op B" or "A op C", we may need to convert A to the type of B and C.
3833 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3835 * target.h (struct gcc_target): Add mode_rep_extended.
3836 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3837 (init_num_sign_bit_copies_in_rep): Initialize it using
3839 (truncate_to_mode): Use it.
3840 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3841 * targhooks.h (default_mode_rep_extended): Declare it.
3842 * targhooks.c (default_mode_rep_extended): Define it.
3843 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3844 default_mode_rep_extended.
3845 (TARGET_INITIALIZER): Include it.
3846 * doc/tm.texi (Misc): Document it.
3847 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3848 (mips_truncated_to_mode): New function.
3850 2006-04-16 Roger Sayle <roger@eyesopen.com>
3853 * expr.c (compress_float_constant): Copy the narrow constant into
3854 a new pseudo before extending it to its final width.
3856 2006-04-16 Roger Sayle <roger@eyesopen.com>
3857 Andrew Pinski <pinskia@gcc.gnu.org>
3858 Dale Johannesen <dalej@apple.com>
3861 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3862 special case code to implement V8HImode and V16QImode with SSE2.
3864 2006-04-15 Roger Sayle <roger@eyesopen.com>
3866 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3867 trees are constructed with a suitable tree type.
3869 2006-04-15 Roger Sayle <roger@eyesopen.com>
3871 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3872 (integer_onep): Likewise.
3873 (integer_all_onesp): Likewise.
3874 (integer_pow2p): Likewise.
3875 (integer_nonzerop): Likewise.
3876 (real_zerop): Likewise.
3877 (real_onep): Likewise.
3878 (real_twop): Likewise.
3879 (real_minus_onep): Likewise.
3880 (int_size_in_bytes): Likewise.
3881 (host_integerp): Likewise.
3883 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3885 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3886 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3887 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3889 * tree-ssa-structalias.h (alias_info): Remove num_references.
3891 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3893 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3894 (output_bvb patterns): Likewise.
3895 * pa.c (output_bb): Use 'bb' insn for long branch case.
3896 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3897 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3898 1. Correct length operand for alternatives 1 and 2.
3899 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3900 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3902 2006-04-14 Roger Sayle <roger@eyesopen.com>
3904 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3905 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3906 were accidentally reverted by r112959.
3908 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3911 * except.h (eh_region_outermost): New prototype.
3912 * except.c (eh_region_outermost): New function.
3913 * tree-cfg.c (find_outermost_region_in_block): Use it.
3915 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3917 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3919 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3920 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3921 (init_reload, reload): Use VEC instead of VARRAY.
3922 * reload.h: Update the prototype for
3923 reg_equiv_memory_loc_varray.
3925 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3926 Eric Botcazou <ebotcazou@libertysurf.fr>
3928 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3931 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3934 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3935 to expand fallback builtin function call.
3937 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3940 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3941 and emit libcall here in case the builtin fails.
3942 (expand_builtin_strcmp): Always emit the libcall here on failure.
3944 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3946 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3947 * flow.c (reg_n_info): Change the type to
3948 VEC(reg_info_p,heap) *.
3949 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3951 * regs.h (reg_info_p): New.
3952 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3953 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3954 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3957 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3959 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3961 * params.h (MAX_SCHED_READY_INSNS): New macro.
3962 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3963 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3964 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3965 the ready list for 1 cycle during the first scheduling pass.
3966 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3968 2006-04-13 Richard Henderson <rth@redhat.com>
3971 * gimple-low.c (lower_omp_directive): Remove dead code.
3972 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3973 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3974 * omp-low.c (struct omp_region): Move to tree-flow.h.
3975 (root_omp_region): Export.
3976 (omp_regions, lookup_omp_region): Remove.
3977 (determine_parallel_type): Update for struct omp_region changes.
3978 (dump_omp_region): Dump regions with block numbers.
3979 (new_omp_region): Take type and block instead of stmt; malloc
3981 (free_omp_region_1, free_omp_regions): New.
3982 (expand_parallel_call): Take entry_stmt as argument; update for
3983 changes to omp_region.
3984 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3985 (remove_exit_barriers): New.
3986 (expand_omp_parallel): Update for struct omp_region changes.
3987 (expand_omp_synch): Likewise.
3988 (expand_omp): Likewise.
3989 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3990 (expand_omp_for_static_chunk): Likewise.
3991 (expand_omp_for): Likewise.
3992 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3993 (expand_omp_sections): Similarly, with GOMP_sections_end.
3994 (expand_omp_single): New.
3995 (build_omp_regions_1): Update for OMP_CONTINUE.
3996 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3997 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3998 OMP_SECTIONS_SECTIONS.
3999 (lower_omp_single_simple): Don't emit barrier here.
4000 (lower_omp_single_copy): Likewise.
4001 (lower_omp_single): Fix bindings, and lower to straightline now.
4002 (lower_omp_master, lower_omp_ordered): Likewise.
4003 (lower_omp_critical): Likewise.
4004 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4005 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4006 omp edges, free it afterward.
4007 (make_omp_sections_edges): Remove.
4008 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4009 (move_stmt_r): Handle OMP_CONTINUE.
4010 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4011 statement pointers to basic blocks. Add type member.
4012 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4013 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4014 * tree-inline.c (estimate_num_insns_1): Likewise.
4015 * tree-pretty-print.c (dump_generic_node): Likewise.
4016 * tree-ssa-operands.c (get_expr_operands): Likewise.
4017 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4018 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4019 (OMP_CONTINUE): New.
4020 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4021 (OMP_SECTIONS_SECTIONS): Remove.
4022 (OMP_SECTION_LAST): New.
4023 (OMP_RETURN_NOWAIT): New.
4025 2006-04-13 Roger Sayle <roger@eyesopen.com>
4027 * fold-const.c (native_encode_vector, native_interpret_real):
4028 Correct obvious mistakes in the previous check-in.
4030 2006-04-13 Roger Sayle <roger@eyesopen.com>
4032 * fold-const.c (native_encode_expr): New function to encode
4033 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4034 or VECTOR_CST into a specified buffer.
4035 (native_encode_int): New function.
4036 (native_encode_real): New function.
4037 (native_encode_complex): New function.
4038 (native_encode_vector): New function.
4039 (native_interpret_expr): Inverse of native_encode_expr to convert
4040 a target representation into an INTEGER_CST, REAL_CST etc...
4041 (native_interpret_int): New function.
4042 (native_interpret_real): New function.
4043 (native_interpret_complex): New function.
4044 (native_interpret_vector): New function.
4045 (fold_view_convert_expr): New function to constant fold/evaluate
4046 a VIEW_CONVERT_EXPR of a suitable constant expression.
4047 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4048 Change call of build1 to fold_build1 when constructing a
4051 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4052 Ulrich Weigand <uweigand@de.ibm.com>
4055 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4058 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4061 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4062 optimize to lo_sum for DFmode if !TARGET_FPRS.
4064 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4066 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4067 delete_alias_info, compute_flow_sensitive_aliasing,
4068 group_aliases): Use VEC instead of VARRAY.
4069 * tree-ssa-structalias.c (update_alias_info): Likewise.
4070 * tree-ssa-structalias.h (alias_info): Change the type of
4071 processed_ptrs to VEC(tree,heap) *.
4073 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4076 * config/sh/lib1funcs.h: New file, broken out of:
4077 * config/sh/lib1funcs.asm.
4078 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4080 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4081 * config/sh/lib1funcs-Os-4-200.asm: New file.
4082 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4083 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4084 (EXTRA_MULTILIB_PARTS): Include it.
4085 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4086 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4087 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4088 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4091 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4093 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4094 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4095 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4097 * tree-ssa-live.h: Include vecprim.h.
4098 (tree_partition_associator_d): Change the type of
4099 first_partition to VEC(int,heap) *.
4100 (tpa_first_partition): Use VEC instead of VARRAY.
4102 * Makefile.in (GTFILES): Move functions.h after tree.h.
4103 * function.c (reset_block_changes, record_block_change,
4104 check_block_change, free_block_changes): Use VEC instead of
4106 * function.h (function): Change the type of
4107 ib_boundaries_block to VEC(tree,gc) *.
4108 * tree-inline.c (copy_cfg_body): Initialize
4109 ib_boundaries_block to NULL instead of (varray_type) 0.
4111 2006-04-12 Roger Sayle <roger@eyesopen.com>
4113 * expr.c (emit_group_store): Correct operand order in call to
4114 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4115 a SUBREG_BYTE of zero.
4117 2006-04-12 Richard Guenther <rguenther@suse.de>
4119 * profile.c (compute_branch_probabilities): Remove code
4120 encapsulated in !ir_type (), which are remanents of the
4121 removed RTL profiling code.
4122 * rtl-profile.c: Remove.
4124 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4126 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4127 magic NULL_RTX comment.
4128 (function_arg): Store entire fp arg to mem if any part should go
4130 (rs6000_arg_partial_bytes): Adjust for above change.
4132 2006-04-11 Roger Sayle <roger@eyesopen.com>
4134 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4135 if it hasn't been initialized by dwarf2out_init.
4137 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4139 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4140 symbolic constants in branch patterns.
4142 2006-04-11 Roger Sayle <roger@eyesopen.com>
4144 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4146 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4148 PR rtl-optimization/27073
4149 * gcse.c (try_replace_reg): Revert last change. Continue to search
4150 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4153 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4155 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4156 aggregate types other than record and union types.
4157 (function_arg): Likewise.
4158 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4160 (function_value): In 64-bit mode, return objects that require it
4163 2006-04-11 Roger Sayle <roger@eyesopen.com>
4165 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4167 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4169 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4171 2006-04-03 Jeff Law <law@redhat.com>
4174 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4175 alias information too.
4177 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4179 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4181 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4184 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4185 (premark_used_types_helper): New.
4186 (premark_used_types): New.
4187 (gen_subprogram_die): Call premark_used_types.
4188 (prune_unused_types_walk): Do not prune perennial dies.
4189 * function.c (used_types_insert): New.
4190 * function.h (struct function): Add used_types_hash field.
4191 (used_types_insert): Add prototype.
4192 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4193 * c-parser.c (c_parser_cast_expression): Save casted types in used
4196 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4199 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4200 rs6000_explicit_options.float_gprs.
4202 2006-04-10 Roger Sayle <roger@eyesopen.com>
4204 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4205 from ix86_expand_vector_init_low_nonzero. Take an additional
4206 one_var argument indicating which element is non-zero. Support
4207 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4208 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4209 with one_var instead of ix86_expand_vector_init_low_nonzero.
4211 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4213 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4214 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4215 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4216 build/genextract.o): Depend on vecprim.h.
4217 * cfglayout.c, df-problems.c, function.c, genextract.c,
4218 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4219 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4223 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4225 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4226 Declare VECs of this type.
4227 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4228 (remove_children): Delete.
4229 (add_dwarf_attr): Use VEC routines.
4230 (add_AT_flag): Update for changes to add_dwarf_attr.
4231 (add_AT_int): Likewise.
4232 (add_AT_unsigned): Likewise.
4233 (add_AT_long_long): Likewise.
4234 (add_AT_vec): Likewise.
4235 (add_AT_string): Likewise.
4236 (add_AT_die_ref): Likewise.
4237 (add_AT_fde_ref): Likewise.
4238 (add_AT_loc): Likewise.
4239 (add_AT_loc_list): Likewise.
4240 (add_AT_addr): Likewise.
4241 (add_AT_lbl_id): Likewise.
4242 (add_AT_lineptr): Likewise.
4243 (add_AT_macptr): Likewise.
4244 (add_AT_offset): Likewise.
4245 (add_AT_range_list): Likewise.
4246 (get_AT): Use VEC_iterate.
4247 (remove_AT): Use VEC_ordered_remove.
4248 (free_die): Fold remove_children into here; have it use VEC_iterate.
4249 (print_die): Use VEC_iterate on attrs.
4250 (reverse_die_lists): Don't reverse attr lists.
4251 (die_checksum): Use VEC_iterate on attrs.
4252 (same_die_p): Likewise.
4253 (output_location_lists): Likewise.
4254 (build_abbrev_table): Likewise.
4255 (size_of_die): Likewise.
4256 (unmark_all_dies): Likewise.
4257 (output_abbrev_section): Likewise.
4258 (output_die): Likewise.
4259 (prune_unused_types_walk_attribs): Likewise.
4261 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4263 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4265 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4268 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4270 2006-04-09 Roger Sayle <roger@eyesopen.com>
4272 * expr.c (store_constructor): Don't bother clearing target if
4273 we're about to assign a vector to it using vec_init_optab.
4275 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4277 * tree-ssa-alias.c (lhs_may_store_to): New function.
4278 (recalculate_used_alone): Handle LHS of calls.
4280 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4284 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4285 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4286 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4287 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4288 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4289 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4290 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4291 stubs. Add ".align 8" directives before all ".dword" directives.
4292 (GTHREAD_USE_WEAK): Revise comment.
4293 (TARGET_ATTRIBUTE_WEAK): Define.
4294 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4295 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4296 * stublib.c: New file.
4301 * pa.md (cbranch patterns): Revise arguments used in calls to
4302 output_cbranch, output_bb and output_bvd. Add long branch length
4304 (fbranch patterns): Handle long branches.
4305 (jump): Revise length check. Revise arguments for output_lbranch call.
4306 Add long branch length attributes.
4307 (decrement_and_branch_until_zero): Add long branch length attributes.
4308 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4309 Likewise. Revise arguments for output_parallel_addb and
4310 output_parallel_movb calls.
4311 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4312 output_parallel_movb and output_parallel_addb): Update prototypes.
4313 * pa.c (output_cbranch): Revise arguments. Correct handling of
4314 nullification in long branches.
4315 (output_lbranch): Add new argument to control extraction of delay
4317 (output_bb): Handle long branches.
4318 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4319 output_parallel_addb): Likewise.
4321 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4323 PR rtl-optimization/27073
4324 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4327 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4329 * tree.h (tree_memory_tag): Add old_used_alone.
4330 (SMT_OLD_USED_ALONE): New macro.
4331 * tree-ssa-alias.c (recalculate_used_alone): Stop
4332 marking things for renaming unnecessarily.
4334 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4336 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4337 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4338 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4339 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4340 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4341 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4342 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4343 spelling convensions.
4344 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4345 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4346 typos. Follow spelling conventions.
4348 2006-04-07 DJ Delorie <dj@redhat.com>
4350 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4351 passed on the stack.
4352 (m32c_init_cumulative_args): When a function returns a structure,
4353 always pass the pointer to that return area on the stack.
4354 (m32c_function_arg_advance): Don't increment the parameter number
4355 if we're processing the returned structure pointer.
4356 (pushm_info): Reverse order of registers.
4358 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4360 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4361 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4362 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4363 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4365 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4366 chrec_fold_multiply): Same.
4367 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4368 force_expr_to_var_cost): Same.
4369 * tree-mudflap.c (mf_xform_derefs_1): Same.
4370 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4372 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4374 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4375 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4378 2006-04-07 Jan Hubicka <jh@suse.cz>
4380 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4382 2006-04-07 Richard Guenther <rguenther@suse.de>
4384 PR tree-optimization/26135
4385 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4386 loads for store copy-prop.
4387 (copy_prop_visit_stmt): Likewise.
4389 2006-04-05 Robert Millan <robertmh@gnu.org>
4391 * config/i386/linux.h: Add a comment to mark macros that are
4392 being overriden in config/k*bsd-gnu.h.
4393 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4395 * config/knetbsd-gnu.h: Ditto.
4397 2006-04-06 Jan Hubicka <jh@suse.cz>
4401 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4404 2006-04-06 Mike Stump <mrs@apple.com>
4406 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4407 for HAVE_nonlocal_goto to be consistent.
4408 (expand_builtin_nonlocal_goto): Likewise.
4409 (expand_builtin_strcmp): Use #ifdef instead of #if
4410 for HAVE_cmpstrnsi to be consistent.
4412 2006-04-05 DJ Delorie <dj@redhat.com>
4414 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4417 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4419 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4420 got-relative addressing for anything but SImode.
4422 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4423 even if the calling function doesn't modify them.
4425 2006-04-05 Richard Guenther <rguenther@suse.de>
4427 PR tree-optimization/26919
4428 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4429 to cgraph_estimate_size_after_inlining.
4431 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4433 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4435 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4437 PR tree-optimization/26996
4438 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4439 VECTOR_TYPE variables.
4441 2006-04-05 Richard Guenther <rguenther@suse.de>
4443 PR tree-optimization/26763
4444 * fold-const.c (fold_comparison): Move folding of
4445 PTR + CST CMP PTR + CST ...
4446 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4448 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4450 * doc/install.texi (Prerequisites): Refine some wording on
4451 bootstrapping and ksh.
4452 Move the version numbers of DejaGnu here from the testing section
4453 and fix casing of names.
4454 Fix markup and clarify wording for autogen requirements.
4455 Refer to GCJ instead of just java.
4456 Refer to SVN instead of CVS.
4457 Describe diffutils as useful instead of necessary.
4458 (Downloading the source): Refer to SVN instead of CVS.
4459 Adjust a link to our web site accordingly.
4460 (Configuration): Fix casing of Bison.
4461 (Building): Refer to SVN instead of CVS.
4462 Fix a sentence on the use of Bison and remove duplicate (and
4463 incorrect) version number of Bison requirement.
4464 Remove one redundant list of packages needed for building.
4465 (Specific): Avoid reference to CVS.
4467 2006-04-04 Eric Christopher <echristo@apple.com>
4469 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4470 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4471 (rs6000_handle_struct_attribute): New.
4472 (rs6000_ms_bitfield_layout_p): Ditto.
4474 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4476 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4477 NULL for dso parameter to atexit_common.
4479 2006-04-04 Eric Christopher <echristo@apple.com>
4481 * config/i386/i386.c (machopic_output_stub): Output \t
4482 between instructions and operands.
4484 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4486 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4487 satisfies_constraint_[IL] to explicit tests on value.
4489 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4491 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4492 set_nb_iterations_in_loop): Use build_int_cst instead of
4494 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4495 build_int_cst instead of convert.
4497 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4499 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4500 new value 2 for incoming.
4501 * function.c (expand_function_start): Call struct_value_rtx
4503 * config/sparc/sparc.md: Comment updated_return.
4504 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4505 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4506 struct return if sparc_std_struct_return and incoming is 2.
4507 (print_operand): Do not adjust return if
4508 sparc_std_struct_return.
4510 2006-04-04 Roger Sayle <roger@eyesopen.com>
4512 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4513 convert in the middle-end.
4514 * expr.c (store_expr, store_constructor, get_inner_reference,
4515 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4517 * tree.c (build_range_type): Likewise.
4519 2006-04-04 Tom Tromey <tromey@redhat.com>
4521 * doc/install.texi (Prerequisites): Mention jar.
4523 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4525 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4528 2006-04-04 Matthias Klose <doko@debian.org>
4530 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4531 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4534 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4536 * doc/extend.texi (Function Attributes): Rewrite visibility
4537 attribute documentation.
4538 * doc/invoke.texi (C++ Dialect Options): Rewrite
4539 -fvisibility-inlines-hidden documentation to describe something
4540 entirely different, although in practise compatible.
4541 (Code Gen Options): Warn about system headers in -fvisibility=
4544 * doc/extend.texi (Other Builtins): Document that
4545 __builtin_nan is a compile-time constant only when its argument
4548 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4550 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4551 trying to remove TRUNCATE check if all bits outside the new mode
4552 are identical to the sign bit.
4554 2006-04-03 Jeff Law <law@redhat.com>
4556 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4557 and operand scanning in some common cases.
4559 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4560 Dale Johannesen <dalej@apple.com>
4563 * regclass.c (struct reg_pref): Update documentation.
4564 (regclass): Set prefclass to NO_REGS if memory is the best option.
4565 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4566 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4567 into account. For non-registers, equate an empty preferred
4568 reload class to a `!' in the constraint; move the if clause to
4569 do so after those that reject the insn.
4570 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4572 (find_dummy_reload): Likewise.
4573 * doc/tm.texi (Register Classes): Document what it means
4574 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4575 * config/i386/i386.c (ix86_preferred_reload_class): Force
4576 using SSE registers (and return NO_REGS for floating-point
4577 constants) if math is done with SSE.
4578 (ix86_preferred_output_reload_class): New.
4579 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4580 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4581 * config/i386/i386.md: Remove # register preferences.
4583 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4586 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4587 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4588 the type of nb_iter.
4589 (instantiate_parameters_1): Convert the operands before calling
4590 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4591 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4593 2006-04-02 Roger Sayle <roger@eyesopen.com>
4595 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4596 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4598 * dojump.c (do_jump): Likewise.
4599 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4600 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4601 gimplify_boolean_expr): Likewise.
4602 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4603 * varasm.c (array_size_for_constructor): Likewise.
4604 * tree-object-size.c (compute_object_offset): Likewise.
4606 2006-04-02 Roger Sayle <roger@eyesopen.com>
4609 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4610 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4612 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4614 PR tree-optimization/26939
4615 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4617 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4619 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4620 at_stmt. Convert the type of operands before calling
4621 build_polynomial_chrec.
4622 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4624 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4625 (instantiate_parameters_1): Convert the type of operands before calling
4626 build_polynomial_chrec.
4627 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4628 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4629 reset_evolution_in_loop): Insert asserts to check the types of the
4631 (chrec_type): Moved...
4632 (eq_evolutions_p): Use operand_equal_p.
4633 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4634 the types of the operands.
4635 (chrec_type): ...here.
4636 * tree-data-ref.c (create_data_ref): Convert the operands before
4637 calling chrec_replace_initial_condition.
4638 (same_access_functions, analyze_subscript_affine_affine,
4639 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4640 (compute_subscript_distance, analyze_ziv_subscript,
4641 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4642 analyze_miv_subscript): Convert the operands before calling
4643 chrec_fold_minus or chrec_fold_plus.
4645 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4647 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4648 the dependence_relations vector.
4649 (compute_data_dependences_for_loop): Adjust call to
4650 compute_all_dependences.
4652 2006-04-01 Roger Sayle <roger@eyesopen.com>
4653 Richard Henderson <rth@redhat.com>
4655 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4656 gimple_boolify on the condition before calling gimplify_expr.
4658 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4660 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4661 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4662 the frame size. Update to use the new macros.
4663 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4664 * config/xtensa/ieee754-df.S: Likewise.
4666 2006-03-31 Richard Henderson <rth@redhat.com>
4668 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4669 (make_edges): ... here. Control fallthru creation with a local
4670 variable. Do not play with fake edges.
4671 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4672 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4675 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4677 * dwarf2.h (DW64_CIE_ID): Define.
4678 * dwarf2out.c (DWARF_CIE_ID): Define.
4679 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4680 length header. Use DWARF_CIE_ID.
4681 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4682 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4684 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4686 * config/sh/linux-atomic.asm: New file.
4687 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4689 2006-03-31 DJ Delorie <dj@redhat.com>
4691 * config/m32c/cond.md: Set condition flags properly throughout.
4692 * config/m32c/minmax.md: Likewise.
4693 * config/m32c/prologue.md: Likewise.
4694 * config/m32c/bitops.md: Likewise.
4695 * config/m32c/muldiv.md: Likewise.
4696 * config/m32c/mov.md: Likewise.
4697 * config/m32c/addsub.md: Likewise.
4698 * config/m32c/m32c.md: Likewise.
4699 * config/m32c/jump.md: Likewise.
4700 * config/m32c/shift.md: Likewise.
4702 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4703 conditionally output the pattern for this.
4704 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4705 (m32c_compare_redundant): New.
4706 (m32c_output_compare): New.
4707 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4709 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4710 dest, not src. Allow other 4-byte modes.
4712 2006-03-30 Denis Chertykov <denisc@overta.ru>
4714 * doc/md.texi: Refer to avr/constraints.md instead of
4717 2006-03-30 Roger Sayle <roger@eyesopen.com>
4719 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4720 signed vs. unsigned comparison failures on some hosts.
4722 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4725 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4726 change to FLOAT_REGS.
4728 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4729 (rs6000_override_options): Use it.
4730 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4731 only for -mabi=spe/no-spe and -mabi=altivec.
4733 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4735 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4738 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4740 * Makefile.in: Rename docdir to gcc_docdir.
4742 2006-03-30 Roger Sayle <roger@eyesopen.com>
4745 * expr.c (emit_group_store): Optimize group stores into a pseudo
4746 register by using a paradoxical subreg to initialize the destination
4747 if the first or last member of the group specifies a "low part".
4749 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4752 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4753 * target.h (struct gcc_target.speculate_insn): Change type of the
4754 second parameter to 'int'.
4755 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4756 the second operand of the DEPS_LIST.
4757 (copy_DEPS_LIST_list): Update reference to the second operand of the
4759 * rtl.h (alloc_DEPS_LIST): Update signature.
4760 * sched-int.h (ds_t): Change typedef to 'int'.
4761 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4763 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4765 * haifa-sched.c (try_ready): Change condition to restore
4766 non-speculative pattern of the instruction.
4767 (process_insn_depend_be_in_spec): Code to keep probability of the
4768 speculative dependence non-decreasing.
4770 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4772 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4773 (single_move_for_movmem): ... this. Also change all uses.
4774 (bfin_expand_strmov): Renamed to...
4775 (bfin_expand_movmem): ... this. Also change all uses.
4776 * config/bfin/bfin.md (movstrsi): Renamed to...
4777 (movstrsi): ...this.
4779 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4781 PR tree-optimization/26830
4783 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4784 (copy_prop_visit_stmt): Remove write-only variable ann.
4785 (init_copy_prop): Check variable loop depth here. Do not simulate
4786 memory-tag and virtual operand PHIs except for store copy prop.
4788 2006-03-30 Richard Guenther <rguenther@suse.de>
4790 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4791 variants with double arguments.
4793 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4795 * genpreds.c (write_tm_constrs_h): Delete variable p.
4796 * genconditions.c (write_header): Add tm-constrs.h to included
4798 * genpeep.c (main): Add toplev.h to included headers.
4799 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4800 (build/genpeep.o): Add toplev.h dependency.
4801 * config/rs6000/constraints.md: Add "W" constraint.
4803 2006-03-29 Roger Sayle <roger@eyesopen.com>
4805 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4806 sizes by correctly testing whether the size fits a host integer.
4807 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4808 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4809 SImode range for the default sizetype and bitsizetype.
4811 2006-03-29 Roger Sayle <roger@eyesopen.com>
4813 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4814 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4815 quickly if the argument is already of the correct type.
4816 Call fold_build1 instead of build1. Tidy up blank lines.
4818 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4820 * genemit.c (main): Add tm-constrs.h to included headers.
4821 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4822 * genpeep.c (main): Add tm-constrs.h to included headers.
4823 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4824 (write_tm_constrs_h): this and write complete file.
4825 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4826 (write_insn_preds_c): Add tm-constrs.h to included headers.
4827 (gen_constrs): New variable.
4828 (parse_option): Parse "-c".
4829 (main): Invoke write_tm_constrs_h.
4830 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4831 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4832 (object_out_file): Add tm-constrs.h dependency.
4833 (insn-emit.o): Same.
4834 (insn-output.o): Same.
4835 (insn-peep.o): Same.
4836 (insn-preds.o): Same.
4837 (insn-recog.o): Same.
4838 (tm-constsr.h): New target.
4839 (s-constrs-h): New target.
4841 * config/rs6000/constraints.md: New file.
4842 * config/rs6000/rs6000.c: Include tm-constrs.h.
4843 (num_insn_constant_wide): Convert to satisfies_constraint.
4844 (rs6000_rtx_costs): Convert to satisfies_constraint.
4845 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4846 (CONST_OK_FOR_LETTER_P): Delete.
4847 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4848 (EXTRA_CONSTRAINT): Delete.
4849 (EXTRA_MEMORY_CONSTRAINT): Delete.
4850 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4851 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4852 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4853 satisfies_constraint.
4855 * config/i386/i386.c: Include tm-constrs.h.
4857 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4859 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4860 * tree-data-ref.c (find_data_references_in_loop,
4861 compute_data_dependences_for_loop): Use pointers to VEC.
4862 (analyze_all_data_dependences): Adjust calls.
4863 * tree-data-ref.h (find_data_references_in_loop,
4864 compute_data_dependences_for_loop): Adjust declarations.
4865 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4866 compute_data_dependences_for_loop.
4868 2006-03-29 Paul Brook <paul@codesourcery.com>
4870 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4873 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4875 PR tree-optimization/26859
4876 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4878 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4879 for the step after fold_convert.
4881 2006-03-29 Paul Brook <paul@codesourcery.com>
4883 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4884 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4886 2006-03-29 Paul Brook <paul@codesourcery.com>
4889 * targhooks.c (default_narrow_bitfield): New fuction.
4890 * targhooks.h (default_narrow_bitfield): add prototype.
4891 * target.h (gcc_target): Add narrow_volatile_bitfield.
4892 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4893 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4894 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4895 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4897 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4899 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4901 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4902 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4903 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4904 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4905 (s390_function_arg_float): Allow SDmode and DDmode values to be
4906 passed in floating point registers.
4907 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4908 check with SCALAR_FLOAT_MODE_P.
4909 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4911 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4913 PR tree-optimization/25985
4914 * tree-ssa-loop-niter.c (number_of_iterations_le,
4915 number_of_iterations_ne): Make comments more precise.
4916 (number_of_iterations_cond): Add only_exit argument. Use the
4917 fact that signed variables do not overflow only when only_exit
4919 (loop_only_exit_p): New.
4920 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4921 number_of_iterations_cond.
4923 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4925 PR tree-optimization/26643
4926 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4929 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4931 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4932 (divsi3_i4_int): Likewise.
4934 2006-03-28 Roger Sayle <roger@eyesopen.com>
4936 * expr.c (emit_group_store): Only create a new pseudo reg if the
4937 quantity it needs to hold isn't already a suitable pseudo.
4939 2006-03-28 Jeff Law <law@redhat.com>
4941 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4942 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4944 2006-03-28 Roger Sayle <roger@eyesopen.com>
4946 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4947 the equivalent ~X & Y, and the symmetry related transformations.
4948 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4949 ~X & Y, and symmetry related transforms.
4951 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4953 Revert my 2006-03-27 patches.
4955 2006-03-28 Roger Sayle <roger@eyesopen.com>
4957 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4958 ~(T1)X, when T1 and T2 are integer types of the same precision
4959 and (T2)X isn't an extension.
4961 2006-03-28 Jeff Law <law@redhat.com>
4963 PR tree-optimization/26796
4964 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4965 need EH edge cleanups rather than purging them immediately.
4966 (eliminate_degenerate_phis): Handle queued EH cleanups.
4968 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4970 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4973 2006-03-27 Roger Sayle <roger@eyesopen.com>
4976 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4977 cast BIT_NOT_EXPR operand to the correct type.
4979 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4981 * tree-loop-linear.c: Don't include varray.h.
4982 (gather_interchange_stats, try_interchange_loops,
4983 linear_transform_loops): Use VEC instead of VARRAY.
4984 * lambda-mat.c: Don't include varray.h.
4985 * tree-chrec.c: Same.
4986 * lambda-trans.c: Same.
4987 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4988 VEC instead of VARRAY.
4989 * tree-vectorizer.h: Idem.
4990 * tree-data-ref.c (dump_data_references,
4991 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4992 initialize_data_dependence_relation, finalize_ddr_dependent,
4993 compute_all_dependences, find_data_references_in_loop,
4994 compute_data_dependences_for_loop, analyze_all_data_dependences,
4995 free_dependence_relation, free_dependence_relations,
4996 free_data_refs): Idem.
4997 * tree-data-ref.h (data_reference_p, subscript_p): New.
4998 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4999 VEC instead of VARRAY.
5000 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5001 (find_data_references_in_loop, compute_data_dependences_for_loop,
5002 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5003 dump_data_dependence_relations, free_dependence_relations,
5004 free_data_refs): Adjust declaration.
5005 (lambda_transform_legal_p): Move declaration here...
5006 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5007 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5008 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5009 vect_analyze_data_refs): Use VEC instead of VARRAY.
5010 * lambda.h (lambda_transform_legal_p): ...from here.
5011 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5012 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5013 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5014 tree-chrec.o): Don't depend on VARRAY_H.
5016 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5018 * rtl.def (Copyright): Update date.
5019 (DEPS_LIST): Change type of the second operand to 'int'.
5020 * target.h (Copyright): Update date.
5021 (struct gcc_target.speculate_insn): Change type of the second parameter
5023 * lists.c (Copyright): Update date.
5024 (alloc_DEPS_LIST): Change signature. Update reference to the second
5025 operand of the DEPS_LIST.
5026 (copy_DEPS_LIST_list): Update reference to the second operand of the
5028 * rtl.h (Copyright): Update date.
5029 (alloc_DEPS_LIST): Update signature.
5030 * sched-int.h (Copyright): Update date.
5031 (ds_t): Change typedef to 'int'.
5032 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5034 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5036 * haifa-sched.c (Copyright): Update date.
5037 (try_ready): Change condition to restore non-speculative pattern
5039 (process_insn_depend_be_in_spec): Code to keep probability of the
5040 speculative dependence non-decreasing.
5042 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5044 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5045 shut up the compiler.
5047 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5049 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5050 to use lib prefix for target.
5051 ($(T)libic_invalidate_array_4-200.a): Likewise.
5052 ($(T)libic_invalidate_array_4a.a): Likewise.
5054 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5055 J"orn Rennecke <joern.rennecke@st.com>
5057 * superh.opt: New file.
5058 * sh.c (boardtype, osruntime): Remove.
5059 * superh.h (SUBTARGET_OPTIONS): Remove.
5060 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5062 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5063 arguments with ^ and/or [].
5065 * config.gcc (sh-*-*): Add quoting to account for quirk of
5067 Replace == with = in enable_incomplete_targets test.
5069 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5070 with MASK_LITTLE_ENDIAN.
5072 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5073 * config/sh/sh.opt: Added to some comments.
5074 * config/sh/superh.h: Removed some chaff.
5076 * config/sh/sh.opt: Add m4-[1234]00* options.
5077 * config/sh/sh.c (sh_handle_option): Likewise.
5078 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5079 (ic_invalidate_array_4-100.o): New rule.
5080 ($(T)libic_invalidate_array_4-100.a): Likewise.
5081 (ic_invalidate_array_4-200.o): Likewise.
5082 ($(T)libic_invalidate_array_4-200.a): Likewise.
5083 (ic_invalidate_array_4a.o): Likewise.
5084 ($(T)libic_invalidate_array_4a.a): Likewise.
5085 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5086 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5088 * config/sh/crt1.asm: Merged in profiling code.
5089 * config/sh/superh.h (STARTFILE_SPEC): Override.
5090 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5091 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5092 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5094 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5095 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5096 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5098 * sh.opt (mpretend-cmove): New option.
5099 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5100 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5101 (movsicc): Add TARGET_PRETEND_CMOVE code.
5103 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5105 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5106 s390_class_max_nregs): New function prototypes.
5107 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5108 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5109 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5110 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5112 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5114 * dwarf2out.c (add_location_or_const_value_attribute): Call
5115 tree_add_const_value_attribute if nothing else works.
5116 (reference_to_unused): New.
5117 (rtl_for_decl_init): Use reference_to_unused to decide whether
5118 to output an initializer.
5120 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5123 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5124 peephole removing spe frob_di_df_2.
5126 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5128 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5129 (subscript_dependence_tester_1): Declared.
5130 (print_dir_vectors, print_dist_vectors): New.
5131 (debug_data_dependence_relation): New.
5132 (dump_data_dependence_relation): Print more details.
5133 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5134 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5135 (save_dist_v, save_dir_v, add_outer_distances,
5136 build_classic_dist_vector_1): New.
5137 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5138 Don't test for lambda_vector_lexico_pos.
5139 (same_access_functions, add_multivariate_self_dist,
5140 add_other_self_distances, dir_from_dist): New.
5141 (build_classic_dir_vector): Replace implementation almost identical to
5142 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5144 (subscript_dependence_tester_1): New.
5145 (subscript_dependence_tester): Handle the lexicographically negative
5146 distance vectors by recomputing the dependence relation.
5147 (compute_affine_dependence): Remove parameter loop_nest_depth.
5148 (compute_self_dependence): Don't call compute_subscript_distance.
5149 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5150 Add a parameter for the loop_nest.
5151 (find_loop_nest_1, find_loop_nest): New.
5152 (compute_data_dependences_for_loop): Compute the loop nest, and give
5153 up if the nest is not well formed.
5154 * tree-data-ref.h (loop_p): New.
5155 (struct data_dependence_relation): Replace size_vect field with
5156 loop_nest, a vec of loops.
5157 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5158 (DDR_LOOP_NEST): New.
5159 (print_dir_vectors, print_dist_vectors,
5160 debug_data_dependence_relation): Declared.
5161 (index_in_loop_nest): New.
5162 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5163 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5166 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5168 * simplify-rtx.c (simplify_relational_operation): Call
5169 simplify_relational_operation_1 even if mode is VOIDmode.
5171 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5173 PR tree-optimization/26804
5174 * tree.h (DECL_CALL_CLOBBERED): New macro.
5175 (tree_decl_common): Add call_clobbered_flag.
5176 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5177 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5178 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5179 (mark_non_addressable): Ditto.
5180 * tree-ssa.c (verify_call_clobbered): New function.
5181 (verify_alias_info): Use it.
5182 * tree-pass.h (pass_reset_cc_flags): New prototype.
5183 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5184 (reset_cc_flags): New function.
5185 * passes.c (init_optimization_passes): Call reset_cc_flags after
5186 initializing referenced_vars.
5188 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5189 Roger Sayle <roger@eyesopen.com>
5192 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5193 to 1.0 for non-real operands. Implement A / A optimization for
5196 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5198 * config/i386/i386.c (size_cost): Correct the comment for
5199 cost of storing fp registers.
5200 (i386_cost): Likewise.
5201 (i486_cost): Likewise.
5202 (pentium_cost): Likewise.
5203 (pentiumpro_cost): Likewise.
5204 (k6_cost): Likewise.
5205 (athlon_cost): Likewise.
5206 (k8_cost): Likewise.
5207 (pentium4_cost): Likewise.
5208 (nocona_cost): Likewise.
5209 (generic64_cost): Likewise.
5210 (generic32_cost): Likewise.
5212 2006-03-24 Denis Chertykov <denisc@overta.ru>
5214 * config/avr/avr-protos.h (extra_constraint): Delete.
5215 (extra_constraint_Q): New declaration.
5216 * config/avr/constraints.md: New file.
5217 * config/avr/avr.md: Include it.
5218 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5219 (TMP_REGNO, ZERO_REGNO): Likewise.
5220 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5221 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5222 (extra_constraint): Delete.
5223 (extra_constraint_Q): Test for memory constraint 'Q'.
5224 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5225 (REG_CLASS_FROM_LETTER): Delete.
5226 (CONST_OK_FOR_LETTER_P): Delete.
5227 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5228 (EXTRA_CONSTRAINT): Delete.
5229 (TMP_REGNO): Delete.
5230 (ZERO_REGNO): Delete.
5232 2006-03-24 Jeff Law <law@redhat.com>
5234 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5235 directly. Call mark_new_vars_to_rename slightly earlier.
5237 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5239 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5241 (gen_compile_unit_die): Use new language types for Objective-C and
5243 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5244 DW_LANG_C_plus_plus.
5247 * config/t-darwin (crt3.o): Work around bug 26840.
5248 * config/darwin-crt3.c: Rewrite.
5249 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5251 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5253 * doc/invoke.texi: Document -femit-class-debug-always
5254 * common.opt: Add -femit-class-debug-always.
5256 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5258 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5259 index and base register.
5260 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5261 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5262 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5263 REGNO_OK_FOR_INDEX_P.
5264 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5266 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5267 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5268 REG_OK_FOR_BASE_P): Definitions removed.
5270 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5273 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5274 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5275 set yet or weren't marked as local yet.
5277 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5279 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5282 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5284 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5285 (rs6000_legitimate_small_data_p): Delete.
5286 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5287 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5288 and make static. Add forward declaration. Update uses.
5289 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5290 of offsettable_memref_p.
5291 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5292 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5294 2006-03-24 Jeff Law <law@redhat.com>
5296 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5297 around bug in immediate-use iterator.
5299 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5302 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5303 or __LITTLE_ENDIAN__.
5305 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5307 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5308 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5309 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5310 * config/sh/sh.opt (mdiv=): Amend description.
5311 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5312 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5313 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5314 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5315 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5316 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5317 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5318 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5319 TARGET_DIVIDE_CALL_FP.
5321 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5323 * haifa-sched.c (choose_ready): Fix type of the local variable.
5324 Move local variables. Add comment.
5325 (check_reg_live): Change signature. Make callable from debugger.
5326 * sched-int.h (check_reg_live): Update signature.
5327 * sched-ebb.c (check_reg_live): Update parameters.
5328 * sched-rgn.c (check_reg_live): Ditto.
5329 (region_head_or_leaf_p): Check pointer before dereferencing.
5330 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5331 before reload on optimization levels below 1.
5333 2006-03-23 Richard Henderson <rth@redhat.com>
5335 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5339 * config/alpha/predicates.md (local_symbolic_operand): Reject
5342 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5345 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5346 expressions which have overflowed constants.
5348 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5350 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5352 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5354 * cfgloopmanip.c (create_loop_notes): Removed.
5355 * final.c (final_scan_insn): Do not handle loop notes.
5356 * jump.c (squeeze_notes): Ditto.
5357 * cfglayout.c (skip_insns_after_block,
5358 duplicate_insn_chain): Ditto.
5359 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5361 * cfgloop.h (create_loop_notes): Declaration removed.
5363 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5365 * varasm.c (output_constant_pool): Restore fnname and fndecl
5367 (assemble_start_function): Adjust call accordingly.
5368 (assemble_end_function): Likewise.
5370 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5373 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5376 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5378 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5381 * system.h (ICE_EXIT_CODE): New macro.
5382 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5383 (diagnostic_action_after_output): Likewise.
5384 * gcc.c (fatal_ice): New function.
5385 (execute): Use it instead of fatal.
5386 (fancy_abort): Likewise.
5387 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5389 2006-03-22 Jeff Law <law@redhat.com>
5391 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5392 iv_analyze_result returning false.
5394 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5396 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5398 2006-03-22 Richard Henderson <rth@redhat.com>
5401 * except.c (duplicate_eh_regions_0): New.
5402 (duplicate_eh_region_1): Duplicate the children of the node as
5403 well as the node itself. Link them up properly.
5404 (duplicate_eh_region_2): Merge into ...
5405 (duplicate_eh_regions): ... here. Take copy_region argument, and
5406 copy only a sub-tree if asked. Simplify copying and fixup.
5407 (eh_region_outer_p): New.
5408 * except.h (duplicate_eh_regions): Update decl.
5409 (eh_region_outer_p): Declare.
5410 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5411 (lower_omp_master): Likewise.
5412 (lower_omp_ordered): Likewise.
5413 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5414 (move_stmt_r): Use it to remap labels. Handle recursion vs
5415 remap_decls_p properly.
5416 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5417 (find_outermost_region_in_block): New.
5418 (new_label_mapper): New.
5419 (move_sese_region_to_fn): Copy eh information to the new function
5421 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5423 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5426 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5428 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5429 into shared libraries.
5431 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5433 * doc/md.texi: Refer to i386/constraints.md instead of
5435 * config/i386/constraints.md: New file, extracted from...
5436 * config/i386/predicates.md: ...here.
5437 * config/i386/i386.md: Include constraints.md.
5439 2006-03-21 Jason Merrill <jason@redhat.com>
5441 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5444 * expr.c (init_block_move_fn): Force default visibility.
5445 (init_block_clear_fn): Likewise.
5446 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5447 * targhooks.c (default_external_stack_protect_fail): Likewise.
5449 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5451 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5452 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5453 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5454 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5455 (loadgp): Use mips_current_loadgp_style.
5456 (loadgp_noshared): New pattern.
5457 (sibcall_internal): Use MIPS_CALL.
5458 (sibcall_value_internal): Likewise.
5459 (sibcall_value_multiple_internal): Likewise.
5460 (call_internal): Likewise.
5461 (call_value_internal): Likewise.
5462 (call_value_multiple_internal): Likewise.
5463 (call_split): Use MIPS_CALL and add an 'S' constraint.
5464 (call_value_split): Likewise.
5465 (call_value_multiple_split): Likewise.
5466 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5467 (-mshared): New option.
5468 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5469 (mips_current_loadgp_style): Declare.
5470 * config/mips/mips.c (mips_classify_symbol): Avoid using
5471 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5472 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5473 TARGET_ABSOLUTE_ABICALLS.
5474 (override_options): Adjust comments. Improve the warning that is
5475 issued when -mabicalls and -G are used together.
5476 (mips_file_start): Remove comment.
5477 (mips_current_loadgp_style): New function.
5478 (mips_gnu_local_gp): New variable.
5479 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5481 (mips_output_function_prologue): Use mips_current_laodgp_style.
5482 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5483 the cprestore instruction.
5484 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5485 live for TARGET_ABSOLUTE_ABICALLS.
5486 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5487 (ASM_SPEC): Pass down -mshared and -mno-shared.
5488 (MIPS_CALL): New macro.
5489 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5491 * doc/invoke.texi (-mabicalls): Update documentation.
5492 (-mshared): Document.
5494 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5496 * config/ia64/unwind-hpux.c: New file.
5497 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5499 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5502 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5504 2006-03-21 Jeff Law <law@redhat.com>
5506 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5507 type conversions of a VR_VARYING source to a wider type.
5509 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5511 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5512 tm_file on Solaris 10 and later.
5513 (sparc64-*-solaris2*): Likewise.
5514 (sparc-*-solaris2*): Likewise.
5515 * config/sol26.h: Rename to config/sol2-6.h.
5516 * config/sol2-10.h: New file.
5518 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5521 * tree-ssa-pre.c (create_component_ref_by_pieces):
5524 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5527 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5528 return it immediately.
5530 2006-03-21 Michael Matz <matz@suse.de>
5532 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5534 (remove_arc, add_arc): Update num_out_arcs member.
5535 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5537 (cache_presence): New function.
5538 (compare_states_for_equiv): New function.
5539 (state_is_differed): Don't take number of outargs, adjust callers.
5540 Use new invariant for speeding up.
5541 (init_equiv_class): Create initial classes based on sorted
5543 (partition_equiv_class): Don't track out_arcs_num.
5544 (evaluate_equiv_classes): Call cache_presence on all states and
5547 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5549 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5550 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5551 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5552 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5554 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5555 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5556 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5557 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5558 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5560 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5561 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5562 (REGNO_REG_CLASS): ARGP is in PREGS.
5563 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5565 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5566 to deal with those addresses.
5567 * addresses.h: New file.
5568 * caller-save.c: Include "addresses.h".
5569 (init_caller_save): Use new base_reg_class function.
5570 * rtl-factoring.c: Include "addresses.h".
5571 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5572 * recog.c: Include "addresses.h".
5573 (preprocess_constraints): Use new base_reg_class function.
5574 * regrename.c: Include "addresses.h".
5575 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5576 functions. Keep track of a new var INDEX_CODE to compute valid
5578 (replace_oldest_value_addr): Likewise.
5579 (replace_oldest_value_mem): Use base_reg_class.
5580 * reload.c: Include "addresses.h".
5581 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5582 (find_reloads): Use new base_reg_class function.
5583 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5584 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5585 all callers and prototype changed.
5586 * reload1.c: Include "addresses.h".
5587 (maybe_fix_stack_asms): Use base_reg_class.
5588 * regclass.c: Include "addresses.h".
5589 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5590 (init_reg_autoinc): Use new base_reg_class function.
5591 (record_reg_classes): Likewise.
5592 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5593 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5594 Use new args to compute necessary class.
5596 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5597 regrename.o, rtl-factoring.o): Update dependencies.
5598 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5599 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5600 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5601 REG_OK_FOR_INDEX_P): Delete documentation.
5603 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5605 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5606 from V7 to V9 for Solaris 7 and above.
5608 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5610 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5611 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5612 argument pointers may not alias any other storage.
5613 * common.opt: Define option -fargument-noalias-anything.
5614 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5615 alias semantics is specified by flag_argument_noalias > 2.
5617 2006-03-20 Jeff Law <law@redhat.com>
5619 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5620 (pass_phi_only_cprop): Declare.
5621 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5623 * tree-ssa-dom.c (degenerate_phi_result): New function.
5624 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5625 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5626 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5627 (eliminate_degenerate_phis): Likewise.
5628 (pass_phi_only_cprop): New pass descriptor.
5629 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5630 support code. Callers updated.
5631 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5632 (store_copy_prop): Likewise.
5633 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5635 2006-03-20 Jason Merrill <jason@redhat.com>
5638 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5639 (push_visibility, pop_visibility): Likewise.
5640 * c-pragma.h: Declare them.
5642 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5644 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5646 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5647 parameter and use get_ebb_head_tail.
5648 (sh_md_init_global): Adjust uses of find_regmode_weight.
5650 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5652 * function.h (struct function) <x_tail_recursion_reentry>:
5653 Rename to x_stack_check_probe_note.
5654 (tail_recursion_reentry): Rename to stack_check_probe_note.
5655 * function.c: Replace tail_recursion_reentry with
5656 stack_check_probe_note everywhere.
5657 (expand_function_start): Only emit a note for
5658 stack_check_probe_note with -fstack-protect.
5659 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5661 * emit-rtl.c (remove_unnecessary_notes): Remove.
5662 (pass_remove_unnecessary_notes): Remove.
5663 * rtl.h (remove_unnecessary_notes): Remove prototype.
5664 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5665 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5666 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5668 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5671 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5672 (valid_in_set): Handle ARRAY_REF.
5673 Change "if min_variant or VH" to asserts.
5674 (create_component_ref_by_pieces): Handle ARRAY_REF.
5675 (create_expression_by_pieces): Likewise.
5676 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5678 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5680 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5681 is operand of switch, not str[0].
5683 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5685 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5686 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5688 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5690 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5691 end of insn_extra_address_constraint declaration.
5693 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5695 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5696 (no-sum-in-toc): Same.
5697 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5699 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5700 NO_FP_IN_TOC for -fPIC instead of mask.
5702 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5703 (BOOT_LDFLAGS): Delete.
5705 * config/rs6000/t-aix52: Same.
5707 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5708 (stmsi[345678]_power): New.
5710 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5712 * config/ia64/ia64.opt: Add empty line to end of file.
5714 2006-03-17 Richard Guenther <rguenther@suse.de>
5717 * builtins.c (get_pointer_alignment): For component style references
5718 adjust alignment to the component type alignment. Make sure
5719 to adjust alignment for component access of constants.
5721 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5723 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5726 2006-03-17 Paul Brook <paul@codesourcery.com>
5728 * doc/install.texi: Docuemnt --with-mode.
5729 * config.gcc: Add --with-mode for arm*-*-*.
5730 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5732 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5734 * sh.c (max_labelno_before_reorg): New variable.
5735 (sh_reorg): Initialize it.
5736 (find_barrier): Check max_labelno_before_reorg before using
5737 label_to_alignment. Take length of explicit alignment insns
5738 into account. When seeing a UNSPECV_CONST_END, return it.
5740 * sh.c (fixup_mova): Set mode of affected label to QImode.
5741 (untangle_mova): New function.
5742 (find_barrier): Use it. Check mode of label before decrementing
5744 (sh_reorg): Likewise.
5745 Set mode of all insns back to VOIDmode.
5747 * sh.c (MOVA_LABELREF): New macro.
5748 (mova_p, fixup_mova, sh_reorg): Use it.
5749 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5750 ADDR_DIFF_VEC matches mova.
5752 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5754 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5755 with ATTRIBUTE_UNUSED.
5757 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5759 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5760 pointer, instead of assuming it is possible to derive the
5761 correct args size from a call insn.
5763 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5765 * rtl.h (CONST_INT_P): Define.
5766 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5767 instead of GET_CODE(x) == CONST_INT.
5768 (vax_rtx_costs): Likewise.
5769 (vax_output_int_move): Likewise.
5770 (vax_output_int_add): Likewise.
5771 (legitimate_constant_address_p): Likewise.
5772 (index_term_p): Likewise.
5773 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5774 * config/vax/vax.md (and<mode>3): Likewise.
5775 (ashrsi3): Likewise.
5777 (movstricthi): Likewise.
5778 (movstrictqi): Likewise.
5779 (rotrsi3): Likewise.
5780 (five unnamed insns): Likewise.
5782 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5784 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5785 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5786 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5787 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5788 Pass to ASM_OUTPUT_DWARF_OFFSET.
5789 * dwarf2out.c (debug_frame_section): New.
5790 (output_call_frame_info): Use debug_frame_section. Pass it to
5791 dw2_asm_output_offset.
5792 (output_die): Pass appropriate section to dw2_asm_output_offset.
5793 (output_compilation_unit_header): Likewise.
5794 (output_pubnames): Likewise.
5795 (output_aranges): Likewise.
5796 (enum dw_val_class): Break dw_val_class_lbl_offset into
5797 dw_val_class_lineptr and dw_val_class_macptr.
5798 (add_AT_lbl_offset): Delete.
5799 (add_AT_lineptr): New.
5800 (add_AT_macptr): New.
5801 (AT_lbl): Expect a lineptr or macptr.
5802 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5803 (attr_checksum): Likewise.
5804 (same_dw_val_p): Likewise.
5805 (size_of_die): Likewise.
5806 (value_format): Likewise.
5807 (output_die): Likewise.
5808 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5810 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5811 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5812 * config/darwin-protos.h (darwin_file_start): New.
5813 (darwin_asm_output_dwarf_offset): New.
5814 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5815 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5817 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5818 if not EH section; simplify.
5819 (darwin_file_start): New.
5820 (darwin_asm_output_dwarf_offset): New.
5821 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5823 (DEBUG_INFO_SECTION): Likewise.
5824 (DEBUG_ABBREV_SECTION): Likewise.
5825 (DEBUG_ARANGES_SECTION): Likewise.
5826 (DEBUG_MACINFO_SECTION): Likewise.
5827 (DEBUG_LINE_SECTION): Likewise.
5828 (DEBUG_LOC_SECTION): Likewise.
5829 (DEBUG_PUBNAMES_SECTION): Likewise.
5830 (DEBUG_STR_SECTION): Likewise.
5831 (DEBUG_RANGES_SECTION): Likewise.
5832 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5833 (ASM_OUTPUT_DWARF_OFFSET): New.
5835 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5837 * config.gcc (tm_defines): Always add to previous value rather
5840 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5842 * config/mips/predicates.md (splittable_const_int_operand): New,
5843 split from move_operand.
5844 (splittable_symbolic_operand): New.
5845 (move_operand): Add commentary. Use splittable_const_int_operand.
5846 Inline mips_atomic_symbolic_constant_p.
5847 * config/mips/mips.md: Add combine splitters for handling moves
5848 of splittable_const_int_operands and splittable_symbolic_operands.
5849 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5850 (mips_split_symbol): Declare.
5851 (mips_move_integer): Declare.
5852 * config/mips/mips.c (mips_split_p): Make global.
5853 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5854 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5855 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5856 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5857 (mips_offset_within_object_p): Handle block symbols.
5858 (mips_atomic_symbolic_constant_p): Delete.
5859 (mips_cannot_force_const_mem): Return false for constants that
5860 mips_legitimize_move can handle.
5861 (mips_use_blocks_for_constant_p): New function.
5862 (mips_split_symbol): Make global.
5863 (mips_move_integer): Likewise. Add a temporary register argument.
5864 (mips_legitimize_const_move): Use splittable_const_int_operand and
5865 splittable_symbolic_operand.
5866 (mips_use_anchors_for_symbol_p): New function.
5867 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5868 (mips_split_p): Declare.
5870 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5872 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5873 (mips*-*-linux*): Likewise.
5875 2006-03-16 Roger Sayle <roger@eyesopen.com>
5876 Daniel Speyer <dspeyer@wam.umd.edu>
5879 * tree-dump.c (dump_real): New function.
5880 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5881 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5882 (tree-dump.o): Add $(REAL_H) to the dependencies.
5884 2006-03-16 Roger Sayle <roger@eyesopen.com>
5887 * real.c (real_from_string): If the mantissa is zero, don't bother
5888 parsing the exponent as the result should always be zero.
5890 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5892 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5894 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5896 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5897 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5898 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5899 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5900 ia64_sched_finish_global): New static functions to implement
5901 hooks from gcc_target.sched.
5902 (spec_check_no, max_uid, pending_data_specs): New static variables.
5903 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5904 ia64_spec_check_src_p): New static functions.
5905 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5906 (TARGET_SCHED_ADJUST_COST): Removed.
5907 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5908 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5909 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5910 TARGET_SCHED_GEN_CHECK,
5911 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5912 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5913 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5914 Fixed to handle speculation checks.
5915 (rtx_needs_barrier): Fixed to handle speculative loads and
5917 (ia64_variable_issue): Added code to count speculative loads and their
5919 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5921 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5923 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5925 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5926 (ia64_reorg): Reset stops_p to NULL after it is freed.
5927 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5928 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5929 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5931 (data_speculative, control_speculative, check_load): New attributes.
5932 (mov<mode>_advanced, mov<mode>_speculative,
5933 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5934 zero_extend<mode>di2_speculative,
5935 zero_extend<mode>di2_speculative_advanced): New patterns for
5936 data and control speculative loads.
5937 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5939 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5940 New pattern for data and control speculation checks.
5941 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5942 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5943 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5944 Auxiliary definitions for the patterns.
5945 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5946 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5948 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5950 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5951 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5952 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5953 New resource constraints.
5954 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5956 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5957 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5958 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5959 msched-in-control-spec, msched-ldc, msched-control-ldc,
5960 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5961 msched-prefer-non-control-spec-insns,
5962 msched-count-spec-in-critical-path): New flags to tune speculative
5964 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5965 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5966 msched-in-control-spec, msched-ldc, msched-control-ldc,
5967 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5968 msched-prefer-non-control-spec-insns,
5969 msched-count-spec-in-critical-path): Document new flags.
5971 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5973 * target.h (struct spec_info_def): New opaque declaration.
5974 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5975 speculate_insn, needs_block_p, gen_check,
5976 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5977 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5978 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5979 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5980 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5981 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5983 (TARGET_SCHED): Use new macros.
5984 * rtl.h (copy_DEPS_LIST_list): New prototype.
5985 * sched-int.h (struct sched_info): Change signature of new_ready field,
5986 adjust all initializations. New fields: add_remove_insn,
5987 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5988 region_head_or_leaf_p.
5989 (struct spec_info_def): New structure declaration.
5990 (spec_info_t): New typedef.
5991 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5992 recovery_block, orig_pat.
5993 (glat_start, glat_end): New variables declaraions.
5994 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5996 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5997 DETACH_LIFE_INFO, USE_GLAT.
5998 (enum SPEC_SCHED_FLAGS): New enumeration.
5999 (NOTE_NOTE_BB_P): New macro.
6000 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6001 attach_life_info, debug_spec_status, check_reg_live): New functions.
6002 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6003 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6005 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6006 * ddg.c (get_block_head_tail): Adjust all uses.
6007 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6008 (sms_sched_info): Initialize new fields.
6009 (contributes_to_priority): Removed.
6010 * haifa-sched.c (params.h): New include.
6011 (get_block_head_tail): Adjust all uses.
6012 (ISSUE_POINTS): New macro.
6013 (glat_start, glat_end): New global variables.
6014 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6015 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6016 old_last_basic_block, before_recovery, current_sched_info_var,
6017 rgn_n_insns, luid): New static variables.
6018 (insn_cost1): New function. Move logic from insn_cost to here.
6019 (find_insn_reg_weight1): New function. Move logic from
6020 find_insn_reg_weight to here.
6021 (reemit_notes, move_insn, max_issue): Change signature.
6022 (move_insn1): Removed.
6023 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6024 extend_bb): New static functions to support extension of scheduler's
6026 (generate_recovery_code, process_insn_depend_be_in_spec,
6027 begin_speculative_block, add_to_speculative_block,
6028 init_before_recovery, create_recovery_block, create_check_block_twin,
6029 fix_recovery_deps): New static functions to support
6030 generation of recovery code.
6031 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6032 restore_bb_notes, move_block_after_check, move_succs): New static
6033 functions to support ebb scheduling.
6034 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6035 functions to support handling of register live information.
6036 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6037 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6038 add_jump_dependencies): New static functions.
6039 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6040 consistancy checking.
6041 (debug_spec_status): New function to call from debugger.
6042 (priority): Added code to handle speculation checks.
6043 (rank_for_schedule): Added code to distinguish speculative instructions.
6044 (schedule_insn): Added code to handle speculation checks.
6045 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6046 Fixed to handle ebbs.
6047 (move_insn): Added code to handle ebb scheduling.
6048 (max_issue): Added code to use ISSUE_POINTS of instructions.
6049 (choose_ready): Added code to choose between speculative and
6050 non-speculative instructions.
6051 (schedule_block): Added code to handle ebb scheduling and scheduling of
6052 speculative instructions.
6053 (sched_init): Initialize new variables.
6054 (sched_finish): Free new variables. Print statistics.
6055 (try_ready): Added code to handle speculative instructions.
6056 * lists.c (copy_DEPS_LIST_list): New function.
6057 * sched-deps.c (extend_dependency_caches): New function. Move logic
6058 from create_dependency_caches to here.
6059 (get_dep_weak, ds_merge): Make global.
6060 * genattr.c (main): Code to output prototype for
6061 dfa_clear_single_insn_cache.
6062 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6063 (output_dfa_clean_insn_cache_func): Code to output
6064 dfa_clear_single_insn_cache function.
6065 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6067 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6069 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6070 New static variables.
6071 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6072 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6074 (ebb_sched_info): Initialize new fields.
6075 (get_block_head_tail): Adjust all uses.
6076 (compute_jump_reg_dependencies): Fixed to use glat_start.
6077 (schedule_ebb): Code to remove unreachable last block.
6078 (schedule_ebbs): Added code to update register live information.
6079 * sched-rgn.c (region_sched_info): Initialize new fields.
6080 (get_block_head_tail): Adjust all uses.
6081 (last_was_jump): Removed. Adjust users.
6082 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6083 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6084 Implement new hooks.
6085 (check_dead_notes1): New static function.
6086 (struct region): New fields: dont_calc_deps, has_real_ebb.
6087 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6088 (BB_TO_BLOCK): Fixed to handle EBBs.
6089 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6090 (ebb_head): New static variable.
6091 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6092 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6094 (compute_dom_prob_ps): New assertion.
6095 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6096 global_live_at_start.
6097 (init_ready_list): New assertions.
6098 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6099 (new_ready): Add support for BEGIN_CONTROL speculation.
6100 (schedule_insns): Fixed code that updates register live information
6102 (schedule_region): Fixed to handle EBBs.
6103 (init_regions): Use extend_regions and check_dead_notes1.
6104 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6105 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6106 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6107 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6108 TARGET_SCHED_GEN_CHECK,
6109 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6110 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6111 * doc/invoke.texi (max-sched-insn-conflict-delay,
6112 sched-spec-prob-cutoff): Document.
6114 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6116 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6117 inter_tick, queue_index.
6118 (struct sched_info): Change signature of init_ready_list field.
6119 Adjust all initializations.
6120 (RESOLVED_DEPS): New access macro.
6121 (ready_add): Remove prototype.
6122 (try_ready): Add prototype.
6123 * sched-rgn.c (init_ready_list): Use try_ready.
6124 (schedule_region): Initialize
6125 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6126 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6127 (init_ready_list): Use try_ready.
6128 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6129 * lists.c (remove_list_elem): Remove `static'.
6130 (remove_free_INSN_LIST_elem): New function.
6131 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6132 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6133 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6135 (readyp): New variable.
6136 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6137 change_queue_index, resolve_dep): New static functions.
6138 (try_ready): New function. Adjust callers in sched-rgn.c and
6139 sched-ebb.c to use it instead of ready_add.
6140 (clock_var): Move at the begining of file.
6141 (rank_for_schedule): Fix typo.
6142 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6143 (ready_lastpos): Enforce assertion.
6144 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6146 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6147 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6148 (queue_to_ready): Use free_INSN_LIST_list.
6149 (early_queue_to_ready): Fix typo.
6150 (schedule_block): Init readyp. Move init_ready_list call after the
6151 initialization of clock_var. Fix error in rejecting insn by
6152 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6153 that previously corrected INSN_TICKs. Add code for handling
6155 (set_priorities): Fix typo.
6156 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6157 Clarify comment and code that keeps current_sched_info->next_tail
6160 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6162 * sched-rgn.c (extend_rgns): New static function.
6163 (find_rgns): Use it.
6164 (gather_region_statistics, print_region_statistics): New static
6166 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6167 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6169 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6170 Andrey Belevantsev <abel@ispras.ru>
6172 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6173 * lists.c (unused_deps_list): New variable.
6174 (free_list): Add assertions to verify the proper distinguishing
6175 between INSN_LISTs and DEPS_LISTs.
6176 (find_list_elem, remove_list_elem, remove_list_node): New static
6178 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6179 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6180 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6181 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6183 (free_INSN_LIST_node): Likewise.
6184 * modulo-sched.c (current_sched_info): Initialize flags field.
6185 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6186 * rtl.def (DEPS_LIST): Define.
6187 * rtl.h: Declare new functions from lists.c.
6188 * sched-deps.c (spec_dependency_cache): New static variable.
6189 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6190 (add_dependence): Change return type to void. Move the logic to ...
6191 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6192 (delete_all_dependences): Add comment about forward_dependency_cache.
6193 Handle spec_dependency_cache. Handle DEPS_LISTs.
6194 (fixup_sched_groups): Clarify the change of priority of output
6195 and anti dependencies.
6196 (sched_analyze_2): Adjust add_dependence calls to create data
6197 speculative dependence.
6198 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6199 Adjust all callers. Handle DEPS_LISTS.
6200 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6201 presence of speculation.
6202 (init_dependency_caches, free_dependency_caches):
6203 Handle spec_dependency_cache.
6204 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6205 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6206 New static functions.
6207 (add_or_update_back_dep, add_or_update_back_forw_dep,
6208 add_back_forw_dep, delete_back_forw_dep): New functions.
6209 * sched-int.h (ds_t, dw_t): New typedefs.
6210 (struct sched_info): Add new field flags.
6211 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6212 Prototype new sched-deps.c functions.
6213 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6214 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6215 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6216 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6217 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6218 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6220 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6222 * sched-rgn.c (current_sched_info): Initialize flags field.
6223 (schedule_insns): Initialize current_sched_info before the sched_init
6225 * sched-ebb.c (current_sched_info): Initialize flags field.
6226 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6227 Call add_or_update_back_dep instead of add_dependence.
6228 Create control speculative dependencies.
6229 (schedule_insns): Initialize current_sched_info before the sched_init
6232 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6234 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6236 (sh_fallback_frame_state): Likewise.
6238 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6240 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6241 Do switch on default_use_cxa_atexit.
6242 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6243 * config/darwin-crt3.o: New.
6244 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6245 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6246 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6248 * config/rs6000/t-darwin: Move crt2.o building to here.
6249 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6250 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6253 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6255 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6256 from '! xxx' to '!xxx' for coding-style conformance.
6257 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6258 (EXTRA_CONSTRAINT): Likewise.
6259 * config/vax/vax.md (four unnamed insns): Likewise.
6261 2006-03-15 Paul Brook <paul@codesourcery.com>
6263 * config/arm/arm.c (minipool_pad): New.
6264 (add_minipool_forward_ref): Include pool alignment padding in address
6266 (push_minipool_fix): Set minipool_pad.
6267 (minipool_pad): Ditto.
6269 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6271 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6272 instead of GET_CODE() == MEM and REG_P() instead of
6274 (print_operand_address): Likewise.
6275 (vax_address_cost): Likewise.
6276 (vax_rtx_costs): Likewise.
6277 (vax_notice_update_cc): Likewise.
6278 (vax_output_int_add): Likewise.
6279 (INDEX_REGISTER_P): Likewise.
6280 (BASE_REGISTER_P): Likewise.
6281 (nonindexed_address_p): Likewise.
6282 (vax_mode_dependent_address_p): Likewise.
6283 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6284 (PRINT_OPERAND): Likewise.
6285 * config/vax/vax.md (ashlsi3): Likewise.
6286 (ashlsi3): Likewise.
6287 (some more unnamed insns): Likewise.
6289 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6291 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6292 iterator-style macro.
6293 (mark_control_dependent_edges_necessary): Update the use of
6294 EXECUTE_IF_CONTROL_DEPENDENT.
6296 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6298 * config/sh/predicates.md (cache_address_operand): Special.
6299 (ua_address_operand): Likewise.
6301 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6303 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6305 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6307 2006-03-15 Andreas Schwab <schwab@suse.de>
6309 * gensupport.c (identify_predicable_attribute): Don't free p_false
6310 when it is still in use.
6312 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6314 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6315 the default setting here.
6317 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6319 * tree-pass.h (pass_cfg): Remove.
6320 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6321 * passes.c (pass_cfg): Don't run it.
6323 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6325 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6326 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6328 (stack_regs_mentioned): Update the uses of
6329 stack_regs_mentioned_data. Don't access the array beyond its
6331 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6332 Don't include gt-reg-stack.h.
6334 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6335 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6337 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6340 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6343 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6345 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6347 2006-03-14 Richard Guenther <rguenther@suse.de>
6349 PR tree-optimization/26672
6350 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6353 2006-03-14 Richard Guenther <rguenther@suse.de>
6355 PR tree-optimization/26667
6356 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6357 node for the callees. Always allow inlining if it will shrink
6360 2006-03-14 Richard Guenther <rguenther@suse.de>
6363 * builtins.c (get_pointer_alignment): Prefer alignment
6364 information from decls over that from types.
6366 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6369 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6371 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6373 * config/rs6000/rs6000.opt (mdlmzb): New option.
6374 (msched-prolog, msched-epilog): Use Var not Mask.
6375 * doc/invoke.texi (-mdlmzb): Document.
6376 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6378 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6379 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6381 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6383 PR rtl-optimization/25739
6384 * bt-load.c (augment_live_range): Free tos pointer.
6386 * gensupport.c (identify_predicable_attribute): Free
6388 * gcov.c (create_file_names): Free name pointer.
6390 2006-03-13 Roger Sayle <roger@eyesopen.com>
6393 * stmt.c (emit_case_nodes): Handle the case where the index is a
6394 CONST_INT, where the comparison mode is specified by the index type.
6396 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6398 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6401 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6403 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6404 (*branch_fp_inverted): Likewise.
6406 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6409 * omp-low.c (expand_omp_for_generic): Mark istart0
6410 and iend0 as addressable.
6412 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6414 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6416 2006-03-13 Jeff Law <law@redhat.com>
6418 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6419 virtual operands are interesting.
6420 (vrp_visit_stmt): Corresponding changes.
6422 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6424 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6426 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6427 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6428 * config/bfin/crti.S: Use it instead of __PIC__.
6429 * config/bfin/crtn.S: Likewise.
6431 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6432 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6434 Lose 'G' modifier for call operand.
6435 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6436 recognize 'G' modifier.
6438 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6441 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6442 * stmt.c (expand_case): Likewise.
6444 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6446 PR rtl-optimization/26254
6447 * loop-invariant.c (seq_insns_valid_p): New function.
6448 (move_invariant_reg): Only emit new code if it is valid.
6450 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6452 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6454 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6455 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6456 (commit_one_edge_insertion): Do not look for loop notes.
6458 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6460 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6461 flag_test_coverage out of loop.
6463 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6465 * final.c (shorten_branches): Remove outdated comment, and turn
6466 the if branch that guards it to continue.
6468 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6470 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6471 * cfgloop.h (struct loop): Remove unused fields.
6473 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6475 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6476 (-dL, -fdump-rtl-loop2): Update the dump file names
6478 * doc/invoke.texi: Update dump file names.
6480 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6482 * predict.c (estimate_probability): Remove.
6483 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6484 * basic-block.h (estimate_probability): Remove prototype.
6485 * passes.c (finish_optimization_passes): Dump branch prediction or
6486 profiling heuristics to the .profile tree dump.
6487 (init_optimization_passes): Unqueue pass_branch_prob.
6489 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6491 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6493 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6494 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6496 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6498 * function.h (frame_offset_overflow): Declare.
6499 * function.c (frame_offset_overflow): New function.
6500 (assign_stack_local_1): Call it to detect that the offset overflows.
6501 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6503 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6505 * config/sh/sh.c: Include alloc-pool.h.
6506 (label_ref_list_pool): New alloc pool.
6507 (label_ref_list_t): New type for lists of labels.
6508 (struct pool_node): Make wend a label_ref_list_t.
6509 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6511 (dump_table): Likewise.
6512 (sh_reorg): Set up the alloc pool before using add_constant and
6513 dump_table, and destroy it when finishing.
6515 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6517 * config/mips/mips.c: Remove redundant comment.
6519 2006-03-10 Jason Merrill <jason@redhat.com>
6522 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6523 the target was declared 'register'.
6525 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6527 * genpreds.c (write_insn_constraint_len): Change definition of
6528 insn_constraint_len to return size_t to match the declaration.
6530 2006-03-10 DJ Delorie <dj@redhat.com>
6532 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6534 (m32c_expand_insv): Fix test for an AND mask.
6536 2006-03-10 Richard Guenther <rguenther@suse.de>
6539 * builtins.c (get_pointer_alignment): Handle component
6540 references for field alignment.
6542 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6544 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6545 when building with libgloss.
6546 (sh*elf): Implement --without-fp option.
6547 (sh64-superh-linux*): Don't multilib.
6549 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6551 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6553 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6555 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6556 Set it when one of the replacement functions returned true.
6557 Return TODO_cleanup_cfg if cfgchanged is true.
6558 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6560 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6562 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6563 instead of gen_lowpart.
6565 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6567 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6569 (mips_output_order_conditional_branch): Declare.
6570 * config/mips/mips.h (MIPS_BRANCH): New macro.
6571 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6572 for the comparison. Use gen_condjump.
6573 (mips_output_conditional_branch): Rework interface to take the
6574 asm templates for a direct branch and the inverse of a direct branch.
6575 (mips_output_order_conditional_branch): New function.
6576 (mips_builtin_branch_and_move): New function.
6577 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6578 branch condition. Use gen_single_cc as the condition for
6579 __builtin_mips_upper_* or __builtin_mips_lower_*.
6580 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6581 Use VOIDmode for the branch condition.
6582 * config/mips/predicates.md (order_operator): New predicate.
6583 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6584 (branch_fp): Rename to...
6585 (*branch_fp): ...this. Remove mode from comparison operator.
6586 Use new mips_output_conditional_branch interface.
6587 (branch_fp_inverted): Rename to...
6588 (*branch_fp_inverted): ...this and update as for *branch_fp.
6589 (*branch_zero<mode>): Rename to...
6590 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6591 Use mips_output_order_conditional_branch. Only accept ordered
6593 (*branch_zero<mode>_inverted): Rename to...
6594 (*branch_order<mode>_inverted): ...this and update as for
6595 *branch_order<mode>.
6596 (*branch_equality<mode>): Accept zero as the second operand to
6597 the equality operator. Use the new mips_output_conditional_branch
6599 (*branch_equality<mode>_inverted): Likewise.
6600 (condjump): New expander.
6601 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6603 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6604 (bc1any2t, bc1any2f): Likewise.
6605 (single_cc): New expander.
6606 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6608 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6610 * doc/md.texi: Update documentation of MIPS constraints.
6611 * config/mips/constraints.md: New file.
6612 * config/mips/mips.md: Include it.
6613 * config/mips/mips.c (mips_char_to_class): Delete.
6614 (override_options): Don't initialize mips_char_to_class.
6615 * config/mips/mips.h (mips_char_to_class): Delete.
6616 (REG_CLASS_FROM_LETTER): Delete.
6617 (CONST_OK_FOR_LETTER_P): Delete.
6618 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6619 (EXTRA_CONSTRAINT_Y): Delete.
6620 (EXTRA_CONSTRAINT_STR): Delete.
6621 (CONSTRAINT_LEN): Delete.
6622 (EXTRA_MEMORY_CONSTRAINT): Delete.
6624 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6626 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6627 original fn's eh regions.
6629 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6631 * fold-const.c (build_range_check): Make sure to use a valid type to
6632 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6635 (range_predecessor): New static function.
6636 (range_successor): Likewise.
6637 (merge_ranges): Use them to compute predecessors and successors of
6640 2006-03-09 Roger Sayle <roger@eyesopen.com>
6643 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6644 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6646 2006-03-08 DJ Delorie <dj@redhat.com>
6648 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6649 (addpsi3): Expand to include memory operands. Remove
6650 reload-specific splits.
6651 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6652 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6653 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6654 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6655 (shift1_qi, shift1_hi, insv): New.
6656 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6657 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6658 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6660 * config/m32c/m32c-protos.h: Update as needed.
6661 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6662 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6663 Fail for unrecognized R* constraints.
6664 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6665 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6666 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6668 (m32c_init_libfuncs): New.
6669 (m32c_legitimate_address_p): Add debug wrapper.
6670 (m32c_rtx_costs): New.
6671 (m32c_address_cost): New.
6672 (conversions): Add 'B' prefix.
6673 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6674 operands, or word regnames for QI operands. 'B' prints bit
6676 (m32c_expand_setmemhi): New.
6677 (m32c_expand_movmemhi): New.
6678 (m32c_expand_movstr): New.
6679 (m32c_expand_cmpstr): New.
6680 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6681 (m32c_expand_neg_mulpsi3): Handle non-ints.
6682 (m32c_cmp_flg_0): New.
6683 (m32c_expand_movcc): New.
6684 (m32c_expand_insv): New.
6685 (m32c_scc_pattern): New.
6686 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6687 a0/a1 out of SIregs.
6688 (STORE_FLAG_VALUE): New.
6689 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6692 * config/m32c/mov.md: Make constraints more liberal.
6693 (zero_extendqihi2): Optimize r0/r1 case.
6694 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6695 * config/m32c/predicates.md (m32c_any_operand): New.
6696 (m32c_nonimmediate_operand): New.
6697 (m32c_hl_operand): New.
6698 (m32c_r3_operand): New.
6701 (memsym_operand): New.
6702 (memimmed_operand): New.
6703 (a_qi_operand): New.
6704 (m32c_eqne_operator): New.
6705 (m32c_1bit8_operand): New.
6706 (m32c_1bit16_operand): New.
6707 (m32c_1mask8_operand): New.
6708 (m32c_1mask16_operand): New.
6709 * config/m32c/blkmov.md: New file.
6710 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6712 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6714 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6715 unsigned to fix signed/unsigned comparison issue in
6716 DWARF2_FRAME_REG_OUT.
6717 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6718 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6720 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6721 of ptr into the ENABLE_CHECKING section.
6723 2006-03-08 Jeff Law <law@redhat.com>
6725 * tree-vrp.c (infer_value_range): Only count pointer uses
6726 and dereferences if -fdelete-null-pointer-checks is enabled.
6728 * tree-vrp.c (find_assert_locations): Infer value ranges for
6729 single use pointers, but do not create ASSERT_EXPRs for them.
6730 When a non-null range is inferred for a pointer, backwards
6731 propagate that range to other equivalent pointers through the
6734 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6737 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6738 language hook targets.
6739 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6740 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6741 if language hook targets were missing.
6743 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6745 * tree-ssa-opfinalize.h: Removed.
6746 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6748 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6749 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6750 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6751 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6752 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6753 finalize_ssa_v_must_def_ops): New.
6755 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6757 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6760 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6762 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6764 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6765 addresses with offsets; reorganize.
6767 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6768 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6769 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6771 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6774 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6776 2006-03-08 Ben Elliston <bje@au.ibm.com>
6778 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6780 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6783 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6786 2006-03-07 Richard Guenther <rguenther@suse.de>
6788 PR tree-optimization/26587
6789 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6791 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6793 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6795 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6797 * hooks.c (hook_bool_mode_rtx_true): New function.
6798 * hooks.h (hook_bool_mode_rtx_true): Declare.
6799 * toplev.c (compile_file): Call output_shared_constant_pool.
6800 * varasm.c (shared_constant_pool): New variable.
6801 (assemble_start_function, assemble_end_function): Remove arguments
6802 from call to output_constant_pool.
6803 (create_constant_pool): New function, split out from...
6804 (init_varasm_status): ...here.
6805 (force_const_mem): Choose between the shared and per-function constant
6806 pools. Set current_function_uses_const_pool when reusing old entries
6807 as well as when creating new ones.
6808 (mark_constant): Ignore data argument.
6809 (mark_constants): Remove pool argument.
6810 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6811 to decide whether the function uses a constant pool.
6812 (output_constant_pool_contents): New function, split out from...
6813 (output_constant_pool): ...here.
6814 (output_shared_constant_pool): New function.
6815 (init_varasm_once): Initialize shared_constant_pool.
6816 * output.h (output_constant_pool): Delete.
6817 (output_shared_constant_pool): Declare.
6818 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6819 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6821 2006-03-06 Nick Clifton <nickc@redhat.com>
6823 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6824 flag_strength_reduce.
6826 2006-03-06 Ben Elliston <bje@au.ibm.com>
6828 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6829 x86_64-*-linux* configurations.
6831 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6832 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6834 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6836 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6838 * basic-block.h: Remove the extern for
6839 rediscover_loops_after_threading.
6841 * cfgloop.c (cancel_loop): Make it static.
6842 * cfgloop.h: Remove the prototype for cancel_loop.
6844 * flow.c (recompute_reg_usage): Make it static.
6845 * rtl.h: Remove the prototype for recompute_reg_usage.
6847 * function.c (use_return_register): Make it static.
6848 * function.h: Remove the prototype.
6850 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6852 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6854 * recog.h: Remove the prototype for
6855 validate_change_maybe_volatile.
6857 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6859 * rtlanal.c (replace_reg): Remove.
6860 * rtl.h: Remove the prototype for replace_reg.
6862 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6864 * regclass.c (reg_scan_update): Remove.
6865 (reg_scan_mark_refs): Remove the last argument.
6866 * rtl.h: Remove the prototype for reg_scan_update.
6868 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6870 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6871 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6872 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6873 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6874 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6875 loop-invariant.c, omp-low.c, opts.c, passes.c,
6876 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6877 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6878 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6879 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6880 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6881 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6883 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6885 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6886 * dwarf2out.h: Remove the prototype for
6887 dwarf2out_add_library_unit_info.
6889 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6891 * tree.c (add_var_to_bind_expr): Remove.
6892 * tree.h: Remove the prototype for add_var_to_bind_expr.
6894 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6896 * regclass.c (n_non_fixed_regs): Remove.
6897 (init_reg_sets_1, globalize_reg): Remove all uses of
6899 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6901 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6903 * rtlanal.c (insns_safe_to_move_p): Remove.
6904 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6906 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6908 * expmed.c (expand_mult_add): Remove.
6909 * expr.h: Remove the prototype for expand_mult_add.
6911 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6913 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6914 and REG_SAVED_VAL_EXP constants.
6915 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6916 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6917 Handle regs stored by value.
6918 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6919 (execute_cfa_program): Handle DW_CFA_val_offset,
6920 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6921 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6922 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6923 (uw_install_context_1): Handle target regs stored by value.
6925 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6927 * tree-sra.c (tree_sra): Return todoflags;
6928 (generate_one_element): Set TODO_update_smt_usage if needed.
6929 (pass_sra): Remove TODO_update_smt_usage.
6930 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6932 (tree_ssa_forward_propagate_single_use_vars): Return
6933 TODO_update_smt_usage if we need to update SMT usage.
6934 (pass_forwprop): Remove TODO_update_smt_usage.
6936 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6938 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6939 (correct_use_link): Remove reference to get_stmt_operands.
6940 (update_stmt_operands): Likewise.
6941 (get_modify_expr_operands): New function factored out of
6942 parse_ssa_operands and get_expr_operands.
6943 Try to create V_MUST_DEFs for LHS by default.
6944 (get_expr_operands) <case MODIFY_EXPR>: Call
6945 get_modify_expr_operands.
6946 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6947 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6948 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6949 get_modify_expr_operands.
6951 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6953 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6954 * tree-flow.h: Remove the prototype for
6955 referenced_var_lookup_if_exists.
6957 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6959 PR rtl-optimization/26345
6961 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6963 2006-03-03 Roger Sayle <roger@eyesopen.com>
6965 PR tree-optimization/26524
6966 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6967 fold_convert to create a constant of the appropriate type.
6969 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6971 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6972 SYMBOL_REF_IN_BLOCK_P.
6973 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6974 of SYMBOL_FLAG_IN_BLOCK.
6975 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6976 instead of SYMBOL_REF_IN_BLOCK_P.
6977 * explow.c (use_anchored_address): Likewise.
6978 * rtl.c (rtx_size): Likewise.
6979 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6980 instead of SYMBOL_FLAG_IN_BLOCK.
6981 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6982 SYMBOL_REF_IN_BLOCK_P.
6983 (assemble_variable): Likewise.
6984 (output_constant_def_contents): Likewise.
6985 (output_constant_pool): Likewise.
6986 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6987 instead of SYMBOL_FLAG_IN_BLOCK.
6988 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6989 SYMBOL_REF_IN_BLOCK_P.
6990 (SYMBOL_REF_BLOCK): Likewise.
6991 (SYMBOL_REF_OFFSET): Likewise.
6992 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6993 SYMBOL_REF_IN_BLOCK_P.
6994 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6995 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6996 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6997 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6999 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7001 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7003 2006-03-02 Roger Sayle <roger@eyesopen.com>
7005 * simplify-rtx.c (simplify_unary_operation): When simplifying
7006 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7007 that we perform the right shift in the appropriate mode, and
7008 then extend or truncate the result to requested mode.
7010 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7012 * gengtype.c (main): Handle double_int type.
7013 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7014 * double-int.c: New file.
7015 * double-int.h: New file.
7016 * system.h: Include doubleint.h.
7017 * Makefile.in (SYSTEM_H): Include double-int.h.
7018 (double-int.o): Add.
7020 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7023 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7026 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7028 * tree-vrp.c (remove_range_assertions): Do not update statements
7031 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7033 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7035 * gcse.c (rest_of_handle_gcse): Ditto.
7036 * except.c (gate_handle_eh): Ditto.
7037 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7038 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7040 2006-03-02 Eric Christopher <echristo@apple.com>
7042 * config/i386/i386.c (machopic_output_stub): Add indirection to
7045 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7049 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7051 Sun Niagara specific optimizations.
7052 * config.gcc: Recognize niagara as target.
7053 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7054 (TARGET_CPU_niagara): Define.
7055 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7056 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7057 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7058 (ASM_CPU_SPEC): Likewise.
7059 (PROCESSOR_NIAGARA): New enum entry.
7060 (REGISTER_MOVE_COST): Handle Niagara.
7061 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7062 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7063 (sparc_override_options): Recognize "niagara", set appropriate
7064 default MASK_* values for it, and align functions to 32-bytes
7065 by default just like ULTRASPARC/ULTRASPARC3.
7066 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7067 (sparc64_initialize_trampoline): Likewise.
7068 (sparc_use_sched_lookahead): Use zero for niagara.
7069 (sparc_issue_rate): Use one for niagara.
7070 * config/sparc/niagara.md: New file.
7071 * config/sparc/sparc.md: Include it.
7072 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7073 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7074 when default cpu is niagara.
7075 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7076 (ASM_CPU_SPEC): Likewise.
7077 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7078 when default cpu is niagara.
7079 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7080 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7081 just like v9/ultrasparc/ultrasparc3.
7082 * doc/invoke.texi: Add documentation for "niagara" and improve
7083 existing documentation for ultrasparc variants.
7085 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7087 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7089 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7091 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7092 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7093 and say that only one is needed.
7094 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7095 * target.h (have_switchable_bss_sections): New hook.
7096 * explow.c (use_anchored_address): Check that the symbol is in a block.
7097 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7098 (bss_noswitch_section): New variables.
7099 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7100 (get_noswitch_section): New function.
7101 (get_block_for_section): Allow SECT to be null.
7102 (unlikely_text_section_p): Use SECTION_STYLE.
7103 (bss_initializer_p): New function.
7104 (get_variable_section): Move earlier in file. Take a new argument,
7105 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7106 Return one of the new *_sections in such cases.
7107 (get_block_for_decl): New function, extracting some logic from
7108 use_blocks_for_decl_p.
7109 (change_symbol_section): Remove in favor of...
7110 (change_symbol_block): ...this new function.
7111 (use_blocks_for_decl_p): Remove checks now performed by
7113 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7114 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7115 (emit_local, emit_bss, emit_common): ...these new functions.
7116 Return true if the alignment was honored.
7117 (emit_tls_common): New function.
7118 (asm_emit_uninitialised): Delete.
7119 (assemble_variable_noswitch): New function, split out from...
7120 (assemble_variable): ...here. Don't make decisions about common
7121 variables here. Globalize all public decls that go into non-common
7122 sections. Check whether SYMBOL_REF_BLOCK is null.
7123 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7124 (output_constant_pool): Likewise.
7125 (init_varasm_once): Initialize the new section variables.
7126 (have_global_bss_p): New function.
7127 (categorize_decl_for_section): Use bss_initializer_p.
7128 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7129 (place_block_symbol): Assert that the symbol must be in a block.
7130 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7131 (TARGET_INITIALIZER): Include it.
7132 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7133 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7134 (SECTION_MACH_DEP): Bump by two.
7135 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7136 (unnamed_section): Mention SECTION_UNNAMED in comment.
7137 (named_section): Likewise SECTION_NAMED.
7138 (noswitch_section_callback): New type.
7139 (noswitch_section): New structure.
7140 (section): Add a noswitch_section alternative.
7141 (SECTION_STYLE): New macro.
7142 (tls_comm_section, comm_section, lcomm_section): Declare.
7143 (bss_noswitch_section, have_global_bss_p): Declare.
7144 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7145 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7147 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7148 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7151 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7153 * tree-vrp.c (execute_vrp): Return value.
7154 * regrename.c (rest_of_handle_regrename): Ditto.
7155 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7156 * tree-complex.c (tree_lower_complex): Ditto.
7157 (tree_lower_complex_O0): Ditto.
7158 * tracer.c (rest_of_handle_tracer): Ditto.
7159 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7160 * postreload.c (rest_of_handle_postreload): Ditto.
7161 * tree-tailcall.c (execute_tail_recursion): Ditto.
7162 (execute_tail_calls): Ditto.
7163 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7164 * tree.h (init_function_for_compilation): Ditto.
7165 * ipa-cp.c (ipcp_driver): Ditto.
7166 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7167 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7168 * final.c (compute_alignments): Ditto.
7169 (rest_of_handle_final): Ditto.
7170 (rest_of_handle_shorten_branches): Ditto.
7171 (rest_of_clean_state): Ditto.
7172 * omp-low.c (execute_expand_omp): Ditto.
7173 (execute_lower_omp): Ditto.
7174 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7175 * ipa-reference.c (static_execute): Ditto.
7176 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7177 * reorg.c (rest_of_handle_delay_slots): Ditto.
7178 (rest_of_handle_machine_reorg): Ditto.
7179 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7180 * flow.c (recompute_reg_usage): Ditto.
7181 (rest_of_handle_remove_death_notes): Ditto.
7182 (rest_of_handle_life): Ditto.
7183 (rest_of_handle_flow2): Ditto.
7184 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7185 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7186 (do_ssa_store_ccp): Ditto.
7187 (execute_fold_all_builtins): Ditto.
7188 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7189 * modulo-sched.c (rest_of_handle_sms): Ditto.
7190 * ipa-pure-const.c (static_execute): Ditto.
7191 * cse.c (rest_of_handle_cse): Ditto.
7192 (rest_of_handle_cse2): Ditto.
7193 * web.c (rest_of_handle_web): Ditto.
7194 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7195 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7196 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7197 * tree-nrv.c (tree_nrv): Ditto.
7198 (execute_return_slot_opt): Ditto.
7199 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7200 (create_structure_vars): Ditto.
7201 * loop-init.c (rtl_loop_init): Ditto.
7202 (rtl_loop_done): Ditto.
7203 (rtl_move_loop_invariants): Ditto.
7204 (rtl_unswitch): Ditto.
7205 (rtl_unroll_and_peel_loops): Ditto.
7206 (rtl_doloop): Ditto.
7207 * gimple-low.c (lower_function_body): Ditto.
7208 (mark_used_blocks): Ditto.
7209 * tree-ssa-sink.c (execute_sink_code): Ditto.
7210 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7211 (cgraph_early_inlining): Ditto.
7212 * global.c (rest_of_handle_global_alloc): Ditto.
7213 * jump.c (cleanup_barriers): Ditto.
7214 (purge_line_number_notes): Ditto.
7215 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7216 (rest_of_handle_if_after_reload): Ditto.
7217 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7218 (tree_ssa_loop_im): Ditto.
7219 (tree_ssa_loop_unswitch): Ditto.
7220 (tree_vectorize): Ditto.
7221 (tree_linear_transform): Ditto.
7222 (tree_ssa_loop_ivcanon): Ditto.
7223 (tree_ssa_empty_loop): Ditto.
7224 (tree_ssa_loop_bounds): Ditto.
7225 (tree_complete_unroll): Ditto.
7226 (tree_ssa_loop_prefetch): Ditto.
7227 (tree_ssa_loop_ivopts): Ditto.
7228 (tree_ssa_loop_done): Ditto.
7229 * predict.c (tree_estimate_probability): Ditto.
7230 * recog.c (split_all_insns_noflow): Ditto.
7231 (rest_of_handle_peephole2): Ditto.
7232 (rest_of_handle_split_all_insns): Ditto.
7233 * tree-eh.c (lower_eh_constructs): Ditto.
7234 * regmove.c (rest_of_handle_regmove): Ditto.
7235 (rest_of_handle_stack_adjustments): Ditto.
7236 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7237 * function.c (instantiate_virtual_regs): Ditto.
7238 (init_function_for_compilation): Ditto.
7239 (rest_of_handle_check_leaf_regs): Ditto.
7240 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7241 (rest_of_handle_gcse): Ditto.
7242 * ipa-type-escape.c (type_escape_execute): Ditto.
7243 * alias.c (rest_of_handle_cfg): Ditto.
7244 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7245 * profile.c (rest_of_handle_branch_prob): Ditto.
7246 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7247 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7248 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7249 * tree-dfa.c (find_referenced_vars): Ditto.
7250 * except.c (set_nothrow_function_flags): Ditto.
7251 (convert_to_eh_region_ranges): Ditto.
7252 (rest_of_handle_eh): Ditto.
7253 * emit-rtl.c (unshare_all_rtl): Ditto.
7254 (remove_unnecessary_notes): Ditto.
7255 * except.h (set_nothrow_function_flags): Ditto.
7256 (convert_to_eh_region_ranges): Ditto.
7257 * cfgexpand.c (tree_expand_cfg): Ditto.
7258 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7259 * tree-ssa-pre.c (do_pre): Ditto.
7260 (execute_fre): Ditto.
7261 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7262 (rest_of_handle_jump2): Ditto.
7263 * tree-sra.c (tree_sra): Ditto.
7264 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7265 (execute_mudflap_function_decls): Ditto.
7266 * tree-ssa-copy.c (do_copy_prop): Ditto.
7267 (do_store_copy_prop): Ditto.
7268 * ipa-prop.h (ipcp_driver): Ditto.
7269 * cfglayout.c (insn_locators_initialize): Ditto.
7270 * tree-ssa-forwprop.c
7271 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7272 * cfglayout.h (insn_locators_initialize): Ditto.
7273 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7274 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7275 (execute_late_warn_uninitialized): Ditto.
7276 * rtl.h (cleanup_barriers): Ditto.
7277 (split_all_insns_noflow): Ditto.
7278 (purge_line_number_notes): Ditto.
7279 (unshare_all_rtl): Ditto.
7280 (remove_unnecessary_notes): Ditto.
7281 (recompute_reg_usage): Ditto.
7282 (variable_tracking_main): Ditto.
7283 * integrate.c (emit_initial_value_sets): Ditto.
7284 * integrate.h (emit_initial_value_sets): Ditto.
7285 * tree-optimize.c (execute_free_datastructures): Ditto
7286 (execute_free_cfg_annotations): Ditto.
7287 (execute_fixup_cfg): Ditto.
7288 (execute_cleanup_cfg_pre_ipa): Ditto.
7289 (execute_cleanup_cfg_post_optimizing): Ditto.
7290 (execute_init_datastructures): Ditto.
7291 * tree-object-size.c (compute_object_sizes): Ditto.
7292 * combine.c (rest_of_handle_combine): Ditto.
7293 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7294 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7295 (rest_of_handle_reorder_blocks): Ditto.
7296 (rest_of_handle_partition_blocks): Ditto.
7297 * var-tracking.c (variable_tracking_main): Ditto.
7298 * tree-profile.c (tree_profiling): Ditto.
7299 * tree-vect-generic.c (expand_vector_operations): Ditto.
7300 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7301 * sched-rgn.c (rest_of_handle_sched): Ditto.
7302 (rest_of_handle_sched2): Ditto.
7303 * basic-block.h (free_bb_insn): Ditto.
7304 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7305 * tree-cfg.c (execute_build_cfg): Ditto.
7306 (remove_useless_stmts): Ditto.
7307 (split_critical_edges): Ditto.
7308 (execute_warn_function_return): Ditto.
7309 (execute_warn_function_noreturn): Ditto.
7310 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7311 * cfgrtl.c (free_bb_for_insn): Ditto.
7312 * passes.c (execute_one_pass): Run additional
7313 todos returned by execute function.
7314 * tree-pass.h (struct tree_opt_pass): Make execute
7317 2006-03-02 Richard Guenther <rguenther@suse.de>
7319 * tree-ssa-alias.c (find_used_portions): Consider taking
7320 the address as making the variable not write-only.
7322 2006-03-02 Nick Clifton <nickc@redhat.com>
7324 * config.gcc (default_use_cxa_atexit): Extend the description of
7325 this configure variable. Set its default value to "yes" for
7326 Linux, NetBSD and ELF targets on the assumption that they will
7327 use C libraries with the __cxa_atexit function.
7329 2006-03-02 Ben Elliston <bje@au.ibm.com>
7331 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7332 parameter as unused to suppress a build warning.
7334 2006-03-02 Ben Elliston <bje@au.ibm.com>
7336 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7339 2006-03-01 Roger Sayle <roger@eyesopen.com>
7342 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7343 declared name, the weak reference name, and the typeof name.
7344 (__gthrw): Avoid expanding the declared name suffix.
7345 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7347 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7349 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7351 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7352 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7353 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7354 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7355 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7356 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7357 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7358 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7359 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7360 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7361 (DW_END_default, DW_END_big, DW_END_little): New.
7362 (DW_END_lo_user, DW_END_hi_user): Define.
7363 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7364 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7365 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7368 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7370 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7372 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7374 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7376 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7378 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7379 to 'symbol_mem_tag'.
7381 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7384 2006-03-01 Roger Sayle <roger@eyesopen.com>
7386 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7388 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7391 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7392 MACHO_DYNAMIC_NO_PIC_P.
7393 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7395 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7398 * config/darwin-protos.h (darwin_asm_output_anchor):
7400 * config/darwin-sections.def (cstring_section):
7401 Add SECTION_MERGE to the flags.
7402 (literal4_section): Likewise.
7403 (literal8_section): Likewise.
7404 (objc_selector_refs_section): Likewise.
7405 (objc_cls_refs_section): Likewise.
7406 * config/darwin.c (darwin_asm_output_anchor): New
7408 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7410 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7412 Fix PR tree-optimization/26443
7413 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7414 to todo and PROP_tmt_usage to properties_destroyed.
7415 * tree-ssa-ccp.c (pass_ccp): Ditto.
7416 (pass_store_ccp): Ditto.
7417 * tree-ssa-dom.c (pass_dominator): Ditto.
7419 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7421 * tree-ssa-operands.c: Cleanup whitespace.
7422 (get_asm_expr_operands): Move before first invocation.
7423 (get_indirect_ref_operands): Likewise.
7424 (get_tmr_operands): Likewise.
7425 (get_call_expr_operands): Likewise.
7426 (append_def): Likewise.
7427 (append_use): Likewise.
7428 (append_v_may_def): Likewise.
7429 (append_v_must_def): Likewise.
7430 (add_call_clobber_ops): Likewise.
7431 (add_call_read_ops): Likewise.
7432 (add_stmt_operand): Likewise.
7433 (add_virtual_operand): Likewise.
7434 (build_ssa_operands): Likewise.
7436 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7441 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7442 with a call expr to ...
7443 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7445 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7447 * tree-vrp.c (extract_range_from_assert): Remove special
7448 handling for types with super-types.
7450 2006-03-01 Ben Elliston <bje@au.ibm.com>
7452 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7453 and powerpc64-*-linux* configurations.
7454 * config/t-dfprules: New file.
7456 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7457 Compile dfp-bit.c from the source directory using -DWIDTH and
7458 $DFP_CFLAGS to control the compilation of that file, rather than
7459 generating width-specific versions in the build directory.
7460 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7461 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7463 2006-02-28 Zack Weinberg <zackw@panix.com>
7465 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7468 2006-02-28 Eric Christopher <echristo@apple.com>
7470 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7471 Set up IN_LIBGCC definition of TARGET_64BIT.
7472 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7474 2006-02-28 Roger Sayle <roger@eyesopen.com>
7477 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7478 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7479 cases via the construction of "expr != 0".
7481 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7483 * alias.c (alias_invariant, alias_invariant_size): Remove.
7484 (record_base_value): Remove.
7485 (memrefs_conflict_p): Don't look at alias_invariant.
7486 (end_alias_analysis): Don't free it.
7487 * alias.h (record_base_value): Remove prototype.
7489 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7490 Adam Nemet <anemet@caviumnetworks.com>
7492 * rtl.h (truncated_to_mode): Declare it.
7493 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7494 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7495 (RTL_HOOKS_INITIALIZER): Include it.
7496 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7497 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7498 reg_truncated_to_mode.
7499 * rtlanal.c (truncated_to_mode): Define it.
7500 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7502 2006-02-28 Jeff Law <law@redhat.com>
7504 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7505 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7506 the range allowed by TYPE_PRECISION.
7508 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7510 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7512 PR tree-optimization/26419
7513 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7516 2006-02-27 Zack Weinberg <zackw@panix.com>
7518 * doc/md.texi: Fix typo in previous change.
7520 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7524 2006-02-27 Zack Weinberg <zackw@panix.com>
7526 * rtl.def (define_constraint, define_register_constraint)
7527 (define_memory_constraint, define_address_constraint): New MD forms.
7528 * gensupport.c (process_rtx): Put define_constraint etc on the
7530 * genpreds.c (process_define_predicate): Adjust comment. Validate
7531 the name, and call validate_exp to validate the expression.
7532 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7533 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7534 all callers changed.
7535 (validate_exp, needs_variable, struct constraint_data)
7536 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7537 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7538 (const_dbl_constraints, constraint_max_namelen)
7539 (have_register_constraints, have_memory_constraints)
7540 (have_address_constraints, have_address_constraints)
7541 (have_extra_constraints, have_const_int_constraints)
7542 (have_const_dbl_constraints, mangle, add_constraint)
7543 (process_define_constraint, process_define_register_constraint)
7544 (write_enum_constraint_num, write_lookup_constraint)
7545 (write_insn_constraint_len, write_regclass_for_constraint)
7546 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7547 (write_insn_extra_memory_constraint)
7548 (write_insn_extra_address_constraint)
7549 (write_satisfies_constraint_fns): New.
7550 (write_tm_preds_h): If we have new-style constraint definitions,
7551 prototype the functions generated from them, and define the
7552 old constraint interface (still used by generic code) in terms of
7554 (write_insn_preds_c): If we have new-style constraint definitions,
7555 generate all relevant functions from those definitions.
7556 (main): Handle define_constraint etc.
7557 * genoutput.c (struct constraint_data, indep_constraints)
7558 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7559 (mdep_constraint_len): New data structures and functions, defined
7560 #ifdef USE_MD_CONSTRAINTS.
7561 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7562 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7563 use new logic to validate operand constraints against constraint
7565 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7567 * defaults.h: If none of the old-style constraint macros are
7568 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7569 old-style macros; and poison REG_CLASS_FROM_LETTER,
7570 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7572 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7573 * doc/md.texi: Document new constraint-definition mechanism and the
7574 C interface it provides. Remove references to old mechanism
7575 elsewhere in the document.
7576 (Machine Constraints): Use pathnames relative to gcc directory,
7577 i.e. config/ARCH/FILE. Change i386 section to refer to
7578 config/i386/predicates.md; update that section to match docstrings.
7579 * doc/tm.texi: Move all documentation of the old constraint-
7580 definition macros to their own section, clearly mark as obsolete.
7582 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7583 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7585 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7586 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7587 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7589 (splits and peepholes): Use satisfies_constraint_*.
7590 * config/i386/i386.c (memory_address_length)
7591 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7593 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7595 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7596 scalar operation to be put back into the loop.
7598 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7601 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7602 (extract_cie_info): Handle S flag in augmentation string.
7603 (execute_cfa_program): If context->signal_frame, execute also
7604 fs->pc == context->ra instructions.
7605 (uw_frame_state_for): If context->signal_frame, don't subtract one
7606 from context->ra to find FDE.
7607 (uw_update_context_1): Set context->signal_frame to
7609 (_Unwind_GetIPInfo): New function.
7610 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7611 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7613 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7614 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7615 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7616 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7617 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7618 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7619 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7620 x86_64_fallback_frame_state): Set fs->signal_frame.
7621 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7622 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7623 (frob_update_context): Likewise. Workaround missing S flag in
7624 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7625 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7626 Remove the psw_addr + 1 hack.
7628 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7630 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7631 with aggregates here.
7632 (find_func_aliases): Remove code for &<aggregate> from here.
7634 2006-02-26 Roger Sayle <roger@eyesopen.com>
7636 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7637 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7638 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7641 2006-02-26 Roger Sayle <roger@eyesopen.com>
7644 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7646 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7648 * opts.c (decode_options): Do not handle flag_strength_reduce.
7649 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7650 and OPT_fstrength_reduce.
7651 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7652 flag_prefetch_loop_arrays for being nonzero.
7653 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7655 (fprefetch-loop-arrays-rtl): Removed.
7656 (flag_prefetch_loop_arrays): Do not specify the value.
7658 * doc/passes.texi: Update documentation of loop optimizer
7660 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7661 -frerun-loop-opt): Remove.
7663 2006-02-26 Richard Guenther <rguenther@suse.de>
7665 PR tree-optimization/26421
7666 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7667 in function calls that are ADDR_EXPRs as using the whole structure.
7669 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7671 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7672 * tree-pass.h (pass_loop_optimize): Remove.
7673 * passes.c (pass_loop_optimize): Never run it.
7674 * toplev.c (backend_init): Don't call init_loop.
7675 * opts.c (flag_loop_optimize_set): Remove.
7676 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7677 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7678 the old RTL loop optimizer when profiling enabled.
7679 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7680 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7681 pre-headers for the sake of the old RTL loop optimizer.
7682 * Makefile.in: Remove all references to loop.o.
7684 * doc/invoke.texi: Remove all references to -floop-optimize
7685 and -frerun-loop-opt.
7687 2006-02-26 Zack Weinberg <zackw@panix.com>
7689 * doc/md.texi (Machine Constraints): Refer to all files with paths
7690 relative to gcc directory (i.e. config/CPU/file). Add missing
7691 @table @code ... @end table to M32C subsection.
7693 2006-02-26 Roger Sayle <roger@eyesopen.com>
7695 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7697 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7699 2006-02-26 Roger Sayle <roger@eyesopen.com>
7700 James A. Morrison <phython@gcc.gnu.org>
7703 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7704 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7705 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7706 signedness of the shift operation.
7708 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7710 PR tree-optimization/26359
7711 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7713 2006-02-25 Roger Sayle <roger@eyesopen.com>
7715 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7716 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7717 as X == 0, and some symmetry related transformations.
7718 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7720 2006-02-25 Roger Sayle <roger@eyesopen.com>
7723 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7724 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7725 symmetry related transformations. Fold (X^C1) == C2 as
7728 2006-02-25 Juergen Weigert <jw@suse.de>
7729 Richard Guenther <rguenther@suse.de>
7731 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7733 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7735 * combine.c (gen_lowpart_or_truncate): Call
7736 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7738 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7740 * doc/invoke.texi: Move -fopenmp description to "Options for
7742 Remove reference to -lgomp.
7744 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7746 * doc/install.texi: Require GNU tar version 1.14.
7748 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7750 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7751 * doc/invoke.texi (C++ Dialect Options): Document
7752 -fno-use-cxa-get-exception-ptr.
7753 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7754 * configure: Regenerate.
7755 * c.opt (fuse-cxa-get-exception-ptr): New.
7756 * c-opts.c (c_common_handle_option): Handle
7757 OPT_fuse_cxa_get_exception_ptr.
7758 * c-common.c (flag_use_cxa_atexit): Update documentation.
7759 (flag_use_cxa_get_exception_ptr): New.
7760 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7761 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7763 (C_COMMON_OVERRIDE_OPTIONS): New.
7765 2006-02-24 Roger Sayle <roger@eyesopen.com>
7768 * combine.c (try_combine): Explicitly check whether GET_CODE is
7769 a SET or a CLOBBER, instead on checking that it isn't a USE.
7771 2006-02-24 Roger Sayle <roger@eyesopen.com>
7773 * fold-const.c (fold_comparison): New subroutine of fold_binary
7774 containing transformations common to both the equality and
7775 ordering relational operators, factored out of fold_binary.
7776 (fold_binary): Separate out the equality operators (EQ_EXPR
7777 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7778 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7779 transformations common to both.
7780 (fold_div_compare): Fix latent bugs in the previously unreachable
7781 LT_EXPR and GE_EXPR cases.
7783 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7785 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7786 decl libname for clog to __clog on AIX.
7788 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7790 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7793 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7794 output traceback table for thunks. Localise rs6000_stack_info call.
7796 2006-02-23 Roger Sayle <roger@eyesopen.com>
7797 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7799 * gthr-posix.h (__gthrw): Fix typo in comment.
7801 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7803 * doc/cpp.texi (Character sets): Document that we do support
7804 input files to be in any character set.
7806 2006-02-23 Jeff Law <law@redhat.com>
7808 * tree.h (PHI_ARG_NONZERO): Remove.
7809 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7810 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7811 node to the new node.
7813 PR tree-optimization/26425
7814 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7815 min/max, then assume its varying.
7817 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7819 PR rtl-optimization/26316
7820 * rtlanal.c (enum may_trap_p_flags): New.
7821 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7822 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7823 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7824 (may_trap_after_code_motion_p): New function.
7825 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7826 (find_invariant_insn): Use may_trap_after_code_motion_p.
7827 * rtl.h (may_trap_after_code_motion_p): Declare.
7829 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7831 * emit-rtl.c (immed_double_const): Cleanup.
7833 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7835 Fix PR tree-optimization/26376
7836 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7839 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7842 * gimplify.c (omp_add_variable): Guard variable size decl test with
7843 DECL_SIZE (decl) check.
7845 2006-02-23 Richard Guenther <rguenther@suse.de>
7848 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7849 like aggregate types.
7851 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7853 * configure.ac: Add --with{,out}-long-double-128 configure option.
7854 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7855 * configure: Rebuilt.
7856 * config.in: Rebuilt.
7857 * doc/install.texi (Options specification): Document
7858 --with-long-double-128.
7860 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7861 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7862 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7863 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7865 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7867 * config/s390/s390.c (override_options): Handle
7868 TARGET_DEFAULT_LONG_DOUBLE_128.
7870 * config/alpha/alpha.c (override_options): Handle
7871 TARGET_DEFAULT_LONG_DOUBLE_128.
7873 * config/sparc/sparc.c (sparc_override_options): Handle
7874 TARGET_DEFAULT_LONG_DOUBLE_128.
7876 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7878 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7879 (real-install-headers-tar, real-install-headers-cpio)
7880 (real-install-headers-cp): New targets.
7882 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7884 * tree.h (variable_section): Delete.
7885 * varasm.c (variable_section): Delete.
7887 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7889 * install.texi: Add notes on install.texi2html.
7890 (Building in parallel): Do not use footnotes.
7892 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7895 * doc/install.texi (Configuration): Document --disable-libgomp.
7897 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7899 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7901 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7903 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7904 (vec_extractv2df_0_sse): New.
7906 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7908 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7909 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7910 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7911 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7912 to the result of the expression.
7913 (def_cfa_1): Adjust.
7914 (frame_pointer_cfa_offset): Rename to...
7915 (frame_pointer_fb_offset): ... this. Adjust all uses.
7916 (convert_cfa_to_loc_list): Rename to...
7917 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7918 Pass it on to build_cfa_loc.
7919 (compute_frame_pointer_to_cfa_displacement): Rename to...
7920 (compute_frame_pointer_to_fb_displacement): ... this. New
7921 offset parameter. Use it in computation.
7922 (gen_subprogram_die): Compute cfa_fb_offset with the new
7923 macro, and use it to compute the fb loc list and the
7926 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7928 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7929 replaced with register_operand.
7930 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7931 non-DREG is expensive.
7932 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7933 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7936 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7938 * doc/install.texi2html: Use set -e.
7940 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7942 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7943 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7944 * doc/invoke.texi (-fshared-data): Delete.
7945 * common.opt (fshared-data): Delete.
7946 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7947 (assemble_static_space): Remove #if 0 code.
7948 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7949 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7950 * config/cris/cris.h: Remove FIXME.
7952 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7954 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7957 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7960 * combine.c (simplify_shift_const_1): Disable nested shifts
7961 optimization for vector shifts.
7963 2006-02-20 Roger Sayle <roger@eyesopen.com>
7965 PR tree-optimization/26361
7966 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7967 of unsigned integer types.
7969 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7971 * tree-chrec.c (eq_evolutions_p): New.
7972 * tree-chrec.h (eq_evolutions_p): Declared.
7973 * tree-data-ref.c: Fix formatting.
7974 (datadep_stats, dependence_stats): New.
7976 (print_direction_vector): New.
7977 (dump_data_dependence_relation): Use print_direction_vector.
7978 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7979 (compute_subscript_distance): Static.
7980 (initialize_data_dependence_relation): Static. Get the number
7981 of loops surrounding the references from the callers, and initialize
7982 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7983 base_object_differ_p analyzers.
7984 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7985 compute_overlap_steps_for_affine_1_2,
7986 analyze_subscript_affine_affine): Count the classified dependences.
7987 Print a message when a test failed.
7988 (can_use_analyze_subscript_affine_affine): New.
7989 (analyze_siv_subscript): Compute the data dependences on symbolic
7990 scevs that verify can_use_analyze_subscript_affine_affine.
7991 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7992 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7993 Handle symbolic scevs.
7994 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7996 (subscript_dependence_tester): Moved...
7997 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7998 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7999 DDR_SIZE_VECT instead of getting it in parameter.
8000 (subscript_dependence_tester): ... here. Take as a parameter
8001 loop_nest_depth. Call build_classic_dist_vector and
8002 build_classic_dir_vector.
8003 (compute_affine_dependence): Update subscript_dependence_tester
8004 parameters. Update datadep_stats counters. Call
8005 compute_subscript_distance.
8006 (compute_self_dependence): Save the dist and dir vectors. Call
8007 compute_subscript_distance.
8008 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8009 (compute_all_dependences): Reorder parameters as they were before
8010 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8011 compute_subscript_distance. Update the use of
8012 compute_affine_dependence and initialize_data_dependence_relation.
8013 (find_data_references_in_loop): Handle COMPONENT_REF.
8014 (compute_data_dependences_for_loop): Initialize dependence_stats.
8015 Don't call build_classic_dist_vector and build_classic_dir_vector.
8016 Update the parameters of initialize_data_dependence_relation and
8017 compute_all_dependences. Print the statistics from datadep_stats.
8018 (analyze_all_data_dependences): Static. Not used until the pass for
8019 checking the data dependences is contributed.
8020 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8021 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8022 (initialize_data_dependence_relation, compute_affine_dependence,
8023 analyze_all_data_dependences, compute_subscript_distance): Removed.
8024 (print_direction_vector): New.
8025 * lambda.h (gcd): ... here.
8026 (lambda_vector_gcd): Moved here from gcd_vector.
8027 * lambda-code.c (gcd, gcd_vector): Removed.
8028 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8029 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8031 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8033 * ipa-type-escape.c: Tidy some comments and white space.
8034 * tree-ssa-operands.c: Likewise.
8036 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8039 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8040 (dump_decl_name): Do not walk the decl tree chains.
8041 * tree-pass.h (TDF_CHAIN): Remove.
8043 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8045 * Makefile.in (C): Remove
8047 (.PHONY): Remove C and PROTO
8049 2006-02-20 Roger Sayle <roger@eyesopen.com>
8052 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8053 deprecated CHAR_TYPE tree code.
8055 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8057 * configure.ac (target_list): Add install-info, dvi, html.
8058 * configure: Regenerate.
8060 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8061 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8062 treelang/Make-lang.in: Do not use double-colon rules.
8064 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8066 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8067 (TMT_USED_ALONE): New macro.
8068 * tree-pass.h (PROP_tmt_usage): New property.
8069 (TODO_update_tmt_usage): New todo.
8070 * tree-ssa-alias.c (updating_used_alone): New variable.
8071 (recalculate_used_alone): New function.
8072 (compute_may_aliases): Set updating_used_alone, call
8073 recalculate_used_alone.
8074 * tree-sra.c (pass_sra): Note that this pass destroys
8075 PROP_tmt_usage, and add TODO_update_tmt_usage.
8076 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8077 * tree-flow.h (updating_used_alone): Prototype.
8078 (recalculate_used_alone): Ditto.
8079 * passes.c (execute_todo): Add code to set updating_used_alone,
8080 and call recalculate.
8081 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8082 for clobber if used alone, and add assert to verify used_alone
8085 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8087 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8088 for non tls symbols added.
8089 (legitimize_address): Do nothing for PLUS expressions if one of the
8090 addends is a tls symbol reference.
8092 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8096 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8098 * Makefile.in (BOOTSTRAPPING): New.
8099 (quickstrap): New definition if BOOTSTRAPPING=yes.
8101 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8102 * configure.ac: Substitute all_selected_languages with the languages
8103 that were configured. For all the other variables except
8104 lang_specs_files, include all the languages in the tree.
8105 * configure: Regenerate.
8107 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8108 if there is one. Run the commands to run fixincludes in the same
8111 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8112 * doc/install.texi: Document exact conventions for searching target tools.
8113 Document --with-build-time-tools. Document toplevel bootstrap. Document
8114 something more about building an Ada cross-compiler. Don't list GNU Make
8115 requirements which affect all platforms.
8117 2006-02-19 Roger Sayle <roger@eyesopen.com>
8120 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8121 only equivalent if the have both the same mode and precision.
8123 2006-02-20 Ben Elliston <bje@au.ibm.com>
8125 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8127 2006-02-19 Roger Sayle <roger@eyesopen.com>
8128 Steven Bosscher <stevenb.gcc@gmail.com>
8130 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8131 constant pool references to identify stack mode constants.
8132 * rtlanal.c (constant_pool_constant_p): New predicate to check
8133 whether operand is a floating point constant in the pool.
8134 * rtl.h (constant_pool_constant_p): Prototype here.
8135 * loop.c (scan_loop): Avoid hoisting constants from the constant
8136 pool on STACK_REGS targets.
8137 (load_mems): Likewise.
8138 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8139 loads into x87 registers expensive in terms of register pressure.
8141 2006-02-19 Roger Sayle <roger@eyesopen.com>
8143 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8144 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8146 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8148 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8149 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8151 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8153 * doc/invoke.texi: Document -fipa-pta.
8154 * common.opt: Add ipa-pta option.
8155 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8156 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8157 (do_ds_constraint): Ditto.
8158 (get_constraint_for): Only add to referenced_vars if
8159 referenced_vars exists.
8160 (insert_into_field_list): Rewrite to do this unsorted.
8161 (insert_into_field_list_sorted): Rename old insert_into_field_list
8163 (create_function_info_for): Use insert_into_field_list_sorted.
8164 (create_variable_info_for): Rewrite so it uses unsorted version,
8165 since the field list is sorted.
8166 (intra_create_variable_infos): Only add to referenced_vars if
8167 referenced_vars exists.
8168 (ipa_pta_execute): Init heapvars, and delete when done.
8169 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8171 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8173 * doc/install.texi: Add missing `@samp'.
8175 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8177 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8180 2006-02-18 Mark Wielaard <mark@klomp.org>
8182 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8183 who added new 4.1 features, bug fixes and integration support.
8185 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8188 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8191 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8193 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8194 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8195 (copy_insn_1): Likewise. Don't copy each field individually.
8197 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8199 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8200 * rtl.c (rtx_size): Rename variable to...
8201 (rtx_code_size): ...this.
8202 (rtx_size): New function.
8203 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8204 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8206 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8207 * rtl.h (rtx_code_size): New variable.
8208 (rtx_size): Change from a variable to a function.
8209 (RTX_SIZE): Rename to...
8210 (RTX_CODE_SIZE): ...this.
8213 PR tree-optimization/17106
8214 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8215 (Anchored Addresses): New section.
8216 * doc/invoke.texi (-fsection-anchors): Document.
8217 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8218 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8219 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8220 * hooks.c (hook_bool_mode_rtx_false): New function.
8221 * hooks.h (hook_bool_mode_rtx_false): Declare.
8222 * gengtype.c (create_optional_field): New function.
8223 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8224 SYMBOL_REF_IN_BLOCK_P is true.
8225 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8226 (min_anchor_offset, max_anchor_offset): Likewise.
8227 (use_anchors_for_symbol_p): New hook.
8228 * toplev.c (compile_file): Call output_object_blocks.
8229 (target_supports_section_anchors_p): New function.
8230 (process_options): Check that -fsection-anchors is only used on
8231 targets that support it and when -funit-at-a-time is in effect.
8232 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8233 if the decl doesn't have one.
8234 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8235 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8236 of force_const_mem through use_anchored_address.
8237 (expand_expr_constant): New function.
8238 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8239 calling expand_expr for INDIRECT_REF.
8240 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8241 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8242 * expr.h (use_anchored_address): Declare.
8243 * loop-unroll.c: Don't declare rtx vectors here.
8244 * explow.c: Include output.h.
8245 (validize_mem): Call use_anchored_address.
8246 (use_anchored_address): New function.
8247 * common.opt (-fsection-anchors): New switch.
8248 * varasm.c (object_block_htab, anchor_labelno): New variables.
8249 (hash_section, object_block_entry_eq, object_block_entry_hash)
8250 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8251 (use_blocks_for_decl_p, change_symbol_section): New functions.
8252 (get_variable_section): New function, split out from assemble_variable.
8253 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8254 use_blocks_for_decl_p say so. Use change_symbol_section if the
8255 symbol has already been created.
8256 (assemble_variable_contents): New function, split out from...
8257 (assemble_variable): ...here. Don't output any code for
8258 block symbols; just pass them to place_block_symbol.
8259 Use get_variable_section and assemble_variable_contents.
8260 (get_constant_alignment, get_constant_section, get_constant_size): New
8261 functions, split from output_constant_def_contents.
8262 (build_constant_desc): Create a block symbol if use_object_blocks_p
8263 says so. Or into SYMBOL_REF_FLAGS.
8264 (assemble_constant_contents): New function, split from...
8265 (output_constant_def_contents): ...here. Don't output any code
8266 for block symbols; just pass them to place_section_symbol.
8267 Use get_constant_section and get_constant_alignment.
8268 (force_const_mem): Create a block symbol if use_object_blocks_p and
8269 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8270 (output_constant_pool_1): Add an explicit alignment argument.
8271 Don't switch sections here.
8272 (output_constant_pool): Adjust call to output_constant_pool_1.
8273 Switch sections here instead. Don't output anything for block symbols;
8274 just pass them to place_block_symbol.
8275 (init_varasm_once): Initialize object_block_htab.
8276 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8277 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8278 (place_block_symbol, get_section_anchor, output_object_block)
8279 (output_object_block_htab, output_object_blocks): New functions.
8280 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8281 (TARGET_ASM_OUT): Include it.
8282 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8283 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8284 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8285 (TARGET_INITIALIZER): Include them.
8286 * rtl.c (rtl_check_failed_block_symbol): New function.
8287 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8288 (block_symbol, object_block): New structures.
8289 (rtx_def): Add a block_symbol field to the union.
8290 (BLOCK_SYMBOL_CHECK): New macro.
8291 (rtl_check_failed_block_symbol): Declare.
8292 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8293 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8294 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8295 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8296 * output.h (output_section_symbols): Declare.
8297 (object_block): Name structure.
8298 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8299 (default_use_anchors_for_symbol_p): Declare.
8300 * Makefile.in (RTL_BASE_H): Add vec.h.
8301 (explow.o): Depend on output.h.
8302 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8303 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8304 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8305 (rs6000_use_blocks_for_constant_p): New function.
8307 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8309 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8311 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8314 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8317 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8319 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8323 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8326 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8327 instead of DECL_REGISTER.
8329 2006-02-18 Olivier Hainque <hainque@adacore.com>
8332 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8334 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8337 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8338 * opth-gen.awk: Handle Var and InverseMask together.
8339 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8340 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8341 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8342 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8344 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8345 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8346 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8347 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8348 LINUX_DYNAMIC_LINKER): Define.
8349 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8350 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8352 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8353 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8354 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8355 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8356 (TARGET_C99_FUNCTIONS): Don't define.
8357 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8358 GLIBC_DYNAMIC_LINKER.
8359 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8360 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8361 GLIBC_DYNAMIC_LINKER64): Define.
8362 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8363 LINUX_DYNAMIC_LINKER64.
8364 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8365 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8366 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8368 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8369 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8370 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8371 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8372 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8374 and LINUX_DYNAMIC_LINKER32.
8375 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8376 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8377 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8379 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8381 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8382 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8383 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8384 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8385 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8386 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8387 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8388 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8389 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8390 LINUX_DYNAMIC_LINKER): Define.
8391 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8392 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8393 GLIBC_DYNAMIC_LINKER64): Define.
8394 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8395 LINUX_DYNAMIC_LINKER64.
8396 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8397 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8398 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8399 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8400 LINUX_DYNAMIC_LINKER): Define.
8401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8402 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8403 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8404 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8405 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8406 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8407 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8408 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8409 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8410 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8411 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8412 * doc/invoke.texi (-muclibc): Remove caveat about supported
8415 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8417 * doc/cpp.texi (__TIMESTAMP__): Document.
8419 2006-02-17 Roger Sayle <roger@eyesopen.com>
8422 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8423 C is one less than the width of X (and related transformations).
8424 * simplify-rtx.c (simplify_unary_operation_1): Transform
8425 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8426 depending on STORE_FLAG_VALUE, were C is one less then the
8429 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8431 Fix PR tree-optimization/26341
8432 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8433 about NAME_MEMORY_TAG's.
8435 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8438 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8439 with hardware float support, and software float support. Add fcpy
8440 alternative to hardware patterns. Add alternatives to copy between
8441 general and floating-point registers to the 32-bit pattern.
8442 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8443 secondary reload to load a QI or HI mode constant into a floating
8445 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8446 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8448 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8451 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8453 (load_macho_picbase_di): Likewise.
8455 2006-02-16 Jeff Law <law@redhat.com>
8457 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8458 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8459 (ssa_name_nonzero_p): Likewise.
8460 (get_value_range): Return NULL if VRP is not running.
8461 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8462 VRP routines do not discover a range.
8463 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8464 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8465 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8466 (tree_expr_nonnegative_p): Similarly.
8467 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8468 (restore_nonzero_vars_to_original_value): Remove.
8469 (unsafe_associative_fp_binop): Remove.
8470 (tree_ssa_dominator_optimize): Remove initialization and
8471 finalization of nonzero_vars and nonzero_vars_stack.
8472 (dom_opt_initialize_block): No longer push marker on
8474 (dom_opt_finalize_block): No longer call
8475 restore_nonzero_vars_to_original_value.
8476 (record_equivalences_from_phis): No longer look for
8477 nonzero PHI arguments.
8478 (cprop_into_successor_phis): No longer propagate nonzero
8479 property into PHI arguments. Lose unused argument. Caller
8481 (record_equivalences_from_stmt): No longer record nonzero
8482 values for SSA_NAMEs.
8483 (lookup_avail_expr): No longer use nonzero_vars.
8485 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8486 for sizetype when sizetype is unsigned.
8488 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8490 PR rtl-optimization/25603
8491 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8492 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8493 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8494 with new meaning of SETS.
8496 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8501 * config/linux.opt: New file.
8502 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8503 LINUX_DYNAMIC_LINKER): Define.
8504 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8505 * config.gcc (*-*-linux*): Define extra_options.
8506 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8507 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8508 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8509 GLIBC_DYNAMIC_LINKER.
8510 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8511 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8512 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8514 * doc/invoke.texi (GNU/Linux Options): New section.
8516 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8518 * config/sparc/sparc.md (setjmp): Rewrite.
8519 (setjmp_32): Delete.
8520 (setjmp_64): Likewise.
8522 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8524 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8527 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8529 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8532 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8534 PR rtl-optimization/26296
8535 * Makefile.in (loop-invariant.c): Add except.h dependency.
8536 * loop-invariant.c: Include except.h.
8537 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8539 2005-02-16 Paul Brook <paul@codesourcery.com>
8541 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8544 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8546 PR rtl-optimization/25636
8547 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8548 when deciding whether an insn is an initializing insn.
8550 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8552 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8553 (tree_code_size): Ditto.
8554 * tree.h (struct tree_memory_tag): Remove parent_var.
8555 (struct tree_struct_field_tag): New.
8558 (union tree_node): Add sft member.
8559 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8561 (create_sft): Add size and offset argument, set SFT_OFFSET and
8563 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8564 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8565 * tree-flow-inline.h (get_subvar_at): Update for
8566 SFT_OFFSET/SFT_SIZE.
8567 (var_can_have_subvars): Ditto.
8568 (overlap_subvar): Ditto.
8569 * print-tree.c (print_node): Print out interesting things for
8571 * tree-flow.h (struct subvar): Remove offset and size members.
8572 * tree-ssa-operands.c (get_expr_operands): Update for
8573 get_indirect_ref_operands changes.
8574 (get_indirect_ref_operands): Call add_virtual_operand instead of
8575 add_stmt_operand. Only recurse on base var if requested.
8576 (access_can_touch_variable): New function.
8577 (add_stmt_operand): Split virtual operand handling into ...
8578 (add_virtual_operand): Here. Add offset, size, and for_clobber
8579 arguments. Prune alias sets.
8580 (add_call_clobber_ops): Call add_virtual_operand.
8582 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8585 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8587 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8588 than TREE_CODE as index into omp_clause_num_ops array.
8590 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8592 PR rtl-optimization/26184
8593 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8595 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8596 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8597 must_precede, must_follow and tobe_scheduled.
8600 * opts.c (common_handle_option): Free new_option pointer.
8601 * df-core.c (df_analyze): Free postorder pointer.
8603 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8605 * Makefile.in: Fix the examples about the use of stamps
8607 2006-02-15 Michael Matz <matz@suse.de>
8611 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8612 influenced by maximum_field_alignment or DECL_PACKED.
8613 (update_alignment_for_field): Ditto.
8614 (place_field): Ditto.
8615 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8618 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8620 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8621 (debug_flow_info): Pass it.
8622 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8623 * bb-reorder.c (reorder_basic_blocks): Likewise.
8624 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8625 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8626 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8627 * gcse.c (gcse_main, bypass_jumps): Likewise.
8628 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8629 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8630 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8631 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8632 * rtl.h (dump_flow_info): Adjust prototype.
8633 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8634 * var-tracking.c (variable_tracking_main): Likewise.
8635 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8636 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8639 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8641 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8644 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8646 PR tree-optimization/26209
8647 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8648 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8650 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8652 2006-02-14 Roger Sayle <roger@eyesopen.com>
8655 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8656 (X,Y) and the corresponding symmetry related transformations.
8657 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8658 (X,Y) and its symmetry related transformations.
8660 2006-02-14 Roger Sayle <roger@eyesopen.com>
8662 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8665 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8667 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8669 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8672 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8673 support COMDAT group.
8674 * configure: Regenerate.
8676 2006-02-14 Roger Sayle <roger@eyesopen.com>
8681 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8683 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8685 Fix PR tree-optimization/26260
8687 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8689 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8690 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8691 * tree-ssa-structalias.c (create_variable_info_for): Use
8692 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8694 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8696 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8698 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8699 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8700 of the ending condition.
8701 * tree-ssa-loop-manip.c: Include params.h.
8702 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8703 tree_unroll_loop): New functions.
8704 * tree-pass.h (pass_loop_prefetch): Declare.
8705 * loop.c (rest_of_handle_loop_optimize): Test for
8706 -fprefetch-loop-arrays-rtl.
8707 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8708 * timevar.def (TV_TREE_PREFETCH): New timevar.
8709 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8710 pass_loop_prefetch): New.
8711 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8712 (cleanup_tree_cfg_loop): Call scev_reset.
8713 * common.opt (fprefetch-loop-arrays-rtl): Add.
8714 * tree-ssa-loop-prefetch.c: New file.
8715 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8716 (new_temp_expr_table): Initialize expr_vars.
8717 (free_temp_expr_table): Cleanup expr_vars.
8718 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8719 expressions from being merged into one.
8720 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8721 (struct tree_niter_desc): Add control, bound and cmp fields.
8722 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8724 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8725 (tree-cfgcleanup.o): Add SCEV_H dependency.
8726 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8727 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8729 2006-02-14 Richard Guenther <rguenther@suse.de>
8731 PR tree-optimization/26258
8732 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8733 in PHI argument processing.
8735 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8737 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8738 new expression in the requested machine mode.
8740 2006-02-13 Roger Sayle <roger@eyesopen.com>
8742 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8743 directly, instead let do_compare_rtx_and_jump handle this for us.
8744 * expr.c (expand_expr_real_1): Likewise.
8745 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8746 before do_jump_by_parts_greater.
8747 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8748 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8750 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8752 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8754 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8756 PR rtl-optimization/26235
8757 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8758 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8761 2006-02-13 Jeff Law <law@redhat.com>
8763 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8766 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8769 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8770 twice if decl is a builtin. When trying again, call get_callee_fndecl
8771 first to verify it is still a builtin.
8773 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8775 * dwarf2out.c (base_type_die): Don't add AT_name here.
8776 (subrange_type_die): Don't add AT_name here.
8777 (modified_type_die): Rearrange code flow. Do add AT_name here.
8779 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8781 PR rtl-optimization/26247
8782 PR rtl-optimization/26248
8783 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8785 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8787 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8788 * config/fixtfdi.c: Likewise.
8789 * config/fixunstfdi.c: Likewise.
8790 * config/floatditf.c: Likewise.
8792 2006-02-13 Roger Sayle <roger@eyesopen.com>
8795 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8796 into (X,C2) if C1 is a subset of the bits of C2. Transform
8797 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8799 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8801 2006-02-13 Josh Conner <jconner@apple.com>
8804 * varasm.c (function_section): Check for section name before
8805 calling select_section on targets that define
8806 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8807 unlikely_text_section instead of hot_function_section if
8808 first_function_block_is_cold.
8810 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8813 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8815 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8817 PR rtl-optimization/26222
8818 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8819 after tree->rtl expansion.
8820 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8821 before passing it to emit_move_insn.
8823 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8825 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8827 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8828 Clarify documentation.
8829 * c-common.h (warn_write_strings): Remove.
8830 * c-common.c (warn_write_strings): Likewise.
8831 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8834 2006-02-12 Roger Sayle <roger@eyesopen.com>
8837 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8838 (do_jump_parts_zero_rtx): New function renamed from
8839 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8840 (do_jump_parts_equality_rtx): New function split out from
8841 do_jump_parts_equality. Old implementation renamed as above.
8842 Call do_jump_parts_zero_rtx if either operand is zero.
8843 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8844 do all of the heavy lifting.
8845 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8846 calling either do_jump_by_parts_greater_rtx or
8847 do_jump_by_parts_equality_rtx.
8848 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8849 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8850 moved to do_compare_rtx_and_jump, call it directly.
8851 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8852 mode argument. Call do_compare_rtx_and_jump.
8853 (emit_case_nodes): Update calls to do_jump_if_equal.
8855 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8857 PR rtl-optimization/26225
8858 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8860 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8862 PR rtl-optimization/26232
8863 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8865 2006-02-11 Jason Merrill <jason@redhat.com>
8868 * tree-inline.c (declare_return_variable): Just don't use the
8869 modify target if it's a gimple complex reg and the return slot
8872 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8874 * doc/contrib.texi: Update my entry.
8876 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8878 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8880 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8882 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8885 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8887 * doc/invoke.texi (-floop-optimize2): Removed.
8888 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8889 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8890 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8891 * common.opt (floop-optimize2): Removed.
8892 (fmove-loop-invariants): Enabled by default.
8894 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8896 * tree-if-conv.c (combine_blocks): Free the result of
8897 get_loop_exit_edges.
8899 2006-02-10 Jeff Law <law@redhat.com>
8901 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8903 PR tree-optimization/26213
8904 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8905 loop trying to follow SSA_NAME_VALUE chains.
8907 2006-02-10 Richard Guenther <rguenther@suse.de>
8909 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8910 deal with structures that end in implicitly variable sized arrays.
8912 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8914 PR rtl-optimization/24762
8915 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8918 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8920 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8921 (struct ivopts_data): Add regs_used field.
8922 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8923 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8924 instead of loop_data->regs_used;
8925 (free_loop_data): Do not free aux fields for loops.
8926 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8927 and tree_ssa_iv_optimize_finalize.
8929 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8931 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8933 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8936 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8937 computing the effective result type.
8939 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8942 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8943 (tree_overlaps_hard_reg_set): Declare.
8944 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8945 type and signature to match function type expected by walk_tree.
8946 (tree_overlaps_hard_reg_set): New function.
8947 (decl_conflicts_with_clobbers_p): Rename to:
8948 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8949 Use tree_overlaps_hard_reg_set. Changed caller.
8950 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8951 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8952 * cris.c (cris_md_asm_clobbers): Likewise.
8954 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8956 * reload1.c (emit_input_reload_insns): Delete code that tries to
8957 inherit using find_equiv_reg.
8959 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8961 * c-common.h (flag_const_strings): Don't declare.
8962 * c-common.c (flag_const_strings): Remove.
8963 * c.opt (fconst_strings): Remove.
8964 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8965 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8966 (c_common_init_options): Don't set flag_const_strings.
8967 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8969 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8971 * arm.md (tlobits_cbranch): New pattern.
8972 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8973 testing a single bit.
8975 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8978 * tree-ssa-pre.c (create_component_ref_by_pieces):
8979 Handle RETURN_DECL like VAR_DECL.
8981 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8984 * fold-const.c (fold_indirect_ref_1): Fold
8985 "*(foo *)&complexfoo" to "__real__ complexfoo"
8986 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8988 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8990 * tree-flow-inline.h (var_can_have_subvars):
8991 Volatile variables should not have subvariables.
8993 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8996 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8997 multiplying unsigned values.
9000 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9002 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9004 2006-02-08 Jason Merrill <jason@redhat.com>
9007 * tree.def: Elaborate on difference from MODIFY_EXPR.
9008 * doc/c-tree.texi (INIT_EXPR): Likewise.
9009 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9010 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9011 (gimplify_target_expr): Likewise.
9012 (gimplify_cond_expr): Remove target handling.
9013 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9014 (gimplify_expr): Clobber it here.
9015 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9016 Do return slot optimization if we have an INIT_EXPR.
9019 * tree-inline.c (declare_return_variable): Also clear
9020 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9023 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9026 * gimplify.c (gimplify_one_sizepos): Fix typo.
9028 2006-02-08 Jeff Law <law@redhat.com>
9030 PR tree-optimization/21417
9031 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9032 across a backedge if the control statement at the end of the
9033 block is data dependent on other statements in the same block.
9034 (record_temporary_equivalences_from_stmts): Remove over-conservative
9035 test for threading across backedges.
9037 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9038 control statement, handle all three special cases in the same
9039 manner as they all have the same desired solution. No longer
9040 special case edge flag updating when the post dominator is
9043 2006-02-08 Roger Sayle <roger@eyesopen.com>
9045 * tree.def (CHAR_TYPE): Remove.
9046 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9047 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9048 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9049 (gen_string_type_die): Delete unreachable function.
9051 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9052 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9053 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9054 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9055 * builtins.c (type_to_class): Likewise.
9056 * fold-const.c (fold_convert, build_range_check,
9057 merge_ranges): Likewise.
9058 * expr.c (count_type_elements): Likewise.
9059 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9060 * stor-layout.c (layout_type): Likewise.
9061 * ipa-type-escape.c (type_to_consider): Likewise.
9062 * gimplify.c (omp_firstprivatize_type_sizes,
9063 gimplify_type_sizes): Likewise.
9064 * explow.c (promote_mode): Likewise.
9065 * tree-sra.c (is_sra_scalar_type): Likewise.
9066 * varasm.c (output_constant): Likewise.
9067 * tree-inline.c (remap_type_1): Likewise.
9068 * convert.c (convert_to_pointer, convert_to_real,
9069 convert_to_integer, convert_to_complex): Likewise.
9071 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9073 * df-scan.c (df_def_record_1): A set destination may
9074 be a parallel regardless of mode.
9076 2006-02-08 Roger Sayle <roger@eyesopen.com>
9079 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9080 * config/mips/_tilib.c: Remove.
9081 * config/fixtfdi.c: New libgcc source file.
9082 * config/fixunstfdi.c: New source file.
9083 * config/floatditf.c: New source file.
9084 * config/floatunditf.c: New souce file.
9085 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9086 files above instead of config/mips/_tilib.c.
9087 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9089 2006-02-08 Jeff Law <law@redhat.com>
9091 PR tree-optimization/26169
9092 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9095 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9097 * df.h (DF_REG_SIZE): Return the length of the initialized
9100 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9102 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9103 __muldf3): Return a correctly signed zero.
9105 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9107 * passes.c (register_one_dump_file): Accept the current properties
9108 instead of pass number. Adjust call to dump_register. Remove
9110 (register_dump_files): Now a wrapper around...
9111 (register_dump_files_1): ... this one. Do not modify the pass
9113 (next_pass_1): Cosmetic fix.
9114 (execute_todo): Keep second parameter only. Use curr_properties
9115 instead of fetching it from the pass structure. Check and set
9117 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9118 instead of fetching it from the pass structure. Fix calls to
9119 execute_todo. Update curr_properties and initialize .vcg RTL dump
9120 after running the pass. Reset last_verified.
9121 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9123 (FIRST_AUTO_NUMBERED_DUMP): New.
9124 (dump_register): Remove "num" parameter, assign it within the
9126 (get_dump_file_name): Modify template for dumps.
9127 * tree-dump.h (dump_register): Adjust prototype.
9128 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9129 (PROP_trees): Add PROP_gimple_lomp.
9130 (TODO_set_props): New.
9131 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9132 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9133 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9135 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9137 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9138 (sparc64-*-linux*): Likewise.
9139 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9140 * config/sparc/t-linux: New file.
9141 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9142 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9143 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9144 -m32 -mlong-double-128.
9146 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9147 * config/alpha/t-linux: New file.
9148 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9150 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9151 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9152 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9153 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9154 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9155 (CPP_ARCH32_SPEC): Remove.
9157 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9159 PR tree-optimization/26145
9160 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9163 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9166 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9167 >= 240000 when generating code for SOM runtime.
9168 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9169 to $$dyncall when generating code for SOM runtime..
9171 2006-02-07 Dirk Mueller <dmueller@suse.com>
9174 * doc/invoke.texi (-Wsequence-point): Update documentation
9175 that -Wsequence-point is implemented for C++ as well.
9177 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9179 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9180 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9181 (LIB_SPEC): Likewise.
9182 * doc/invoke.texi (SPARC options): Document -pthread.
9184 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9186 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9189 2006-02-07 Roger Sayle <roger@eyesopen.com>
9191 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9192 Correct comment describing BOOLEAN_TYPE.
9194 2006-02-07 Dirk Mueller <dmueller@suse.com>
9196 * c.opt: C++ frontend supports -Wdiv-by-zero.
9197 * c-opts.c (c_common_handle_option): Remove dead case.
9199 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9201 * configure.ac (TLS assembler check): Do not enable TLS by
9202 default on SPARC/Solaris before version 10.
9203 * configure: Regenerate.
9205 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9207 * doc/invoke.texi (xl-compat): Document conversion and support
9210 2006-02-07 Jeff Law <law@redhat.com>
9212 * tree-vrp.c (find_conditional_asserts): Update comments.
9213 (simplify_stmt_for_jump_threading): New.
9214 (identify_jump_threads, finalize_jump_threads): New.
9215 (vrp_finalize): Call identify_jump_threads.
9216 (execute_vrp): Call finalize_jump_threads.
9217 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9218 (vrp_element, vrp_data, vrp_element_p): Remove.
9219 (vrp_hash_elt, vrp_variables_stack): Remove.
9220 (vrp_hash, vrp_eq, record_range): Remove.
9221 (simplify_cond_and_lookup_avail_expr): Remove.
9222 (extract_range_from_cond): Remove.
9223 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9224 (simplify_stmt_for_jump_threading): New.
9225 (dom_thread_across_edge): New wrapper.
9226 (tree_ssa_dominator_optimize): No longer initialize or
9227 finalize any of the VRP datastructures. Remove iteration
9228 step and simplify as a result of removal of iteration step.
9229 (pass_dominator): Perform a cfg cleanup after DOM.
9230 (dom_opt_finalize_block): Use the new common routines
9231 for threading jumps. Simplify stack management slightly.
9232 No longer need to unwind VRP state.
9233 (record_equivalences_from_incoming_edge): No longer record
9235 (eliminate_redundant_computations): No longer call
9236 simplify_cond_and_lookup_avail_expr.
9237 * tree-flow.h (potentially_threadable_block): Prototype.
9238 (thread_across_edge): Likewise.
9239 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9240 (tree-ssa-threadedge.o): Add dependencies.
9241 * tree-ssa-threadedge.c: New file.
9242 * passes.c (init_optimization_passes): Merge PHIs before
9243 calling VRP. Run VRP again late in the SSA optimization pipeline.
9245 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9247 * df-core.c (df_set_blocks): Do not dereference function pointers.
9248 (df_finish1): Likewise.
9249 (df_hybrid_search_forward): Likewise.
9250 (df_hybrid_search_backward): Likewise.
9251 (df_iterative_dataflow): Likewise.
9252 (df_analyze_problem): Likewise.
9253 (df_compact_blocks): Likewise.
9254 (df_dump): Likewise.
9255 * df-scan.c (df_rescan_blocks): Likewise.
9256 (df_record_entry_block_defs): Likewise.
9258 * genconditions.c (write_conditions): Guard the definition of
9259 'insn_conditions' with the check on GCC version.
9260 (write_writer): Guard the traversal 'insn_conditions' with
9261 the check on GCC version.
9263 2006-02-07 Richard Guenther <rguenther@suse.de>
9267 2006-01-30 Richard Guenther <rguenther@suse.de>
9269 * gimplify.c (gimplify_target_expr): Handle easy cases
9270 without creating a temporary.
9272 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9274 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9275 use of float in probability computations. Use edge probabilities
9276 in place of statically computed probabilities.
9277 (min_spec_prob): New static variable.
9278 (schedule_insns): Initialize it.
9279 (GET_SRC_PROB): Removed.
9280 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9282 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9285 * config/ia64/unwind-ia64.c: Revert last change.
9286 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9287 (INCOMING_FRAME_SP_OFFSET): Define.
9289 2006-02-06 Roger Sayle <roger@eyesopen.com>
9291 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9293 2006-02-07 Ben Elliston <bje@au.ibm.com>
9295 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9296 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9297 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9298 (ix86_return_in_memory): Handle TDmode.
9299 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9300 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9302 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9304 * reorg.c (dbr_schedule): Use dump_file instead of file.
9306 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9309 * config/ia64/predicates.md (extr_len_operand): New predicate.
9310 * config/ia64/ia64.md (extv): Tighten constraints.
9312 (*tbit_and_2): Ditto.
9313 (*tbit_and_3): Ditto.
9314 (*tbit_or_2): Ditto.
9315 (*tbit_or_3): Ditto.
9319 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9322 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9324 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9326 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9327 loop_optimizer_init and loop_optimizer_finalize
9328 * tree-ssa-sink.c (execute_sink_code): Ditto.
9329 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9330 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9331 tree_ssa_loop_done): Ditto.
9332 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9333 * sched-ebb.c: Include output.h.
9334 (schedule_ebbs): Do not use dump argument.
9335 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9336 * loop.c (loop_dump_stream): Removed.
9337 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9339 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9340 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9341 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9342 loop_iterations, strength_reduce, record_biv, record_giv,
9343 final_giv_value, check_final_value, check_ext_dependent_givs,
9344 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9345 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9346 dump_file instead of loop_dump_stream.
9347 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9349 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9351 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9352 * haifa-sched.c: Include output.h
9353 (schedule_insns, sched_init): Do not use dump argument.
9354 * mode-switching.c (optimize_mode_switching): Ditto.
9355 * modulo-sched.c (stats_file): Removed.
9356 (print_node_sched_params): Do not call argument dump_file.
9357 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9358 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9360 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9362 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9363 rtl_loop_init, rtl_loop_done): Ditto.
9364 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9365 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9367 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9368 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9369 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9370 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9371 * emit-rtl.c (renumber_insns): Ditto.
9372 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9373 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9374 * regclass.c (regclass): Ditto.
9375 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9376 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9377 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9378 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9380 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9381 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9383 * gcse.c (gcse_file, debug_stderr): Removed.
9384 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9385 rest_of_handle_gcse): Do not use dump argument.
9386 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9387 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9388 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9389 compute_code_hoist_vbeinout, compute_code_hoist_data,
9390 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9391 compute_store_table, build_store_vectors, insert_insn_start_bb,
9392 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9393 store_motion): Use dump_file instead of gcse_file.
9394 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9395 * profile.c (profile_dump_file): Removed.
9396 (branch_prob): Use dump_file instead of profile_dump_file.
9397 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9399 * tree-ssa-copy.c (dump_copy_of): Ditto.
9400 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9401 dump file to life_analysis.
9402 * bt-load.c (branch_target_load_optimize): Ditto.
9403 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9405 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9406 regclass, dbr_schedule): Declaration changed.
9407 * sched-int.h (sched_init): Declaration changed.
9408 * tree-profile.c (tree_profile_dump_file): Removed.
9409 (tree_profile_hooks): Removed profile_dump_file hook.
9410 * rtl-profile (rtl_profile_dump_file): Removed.
9411 (rtl_profile_hooks): emoved profile_dump_file hook.
9412 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9414 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9415 * tree-cfg.c (build_tree_cfg): Ditto.
9416 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9417 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9418 Declaration changed.
9419 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9420 life_analysis and schedule_insns.
9421 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9423 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9425 * config/mips/mips.c (mips_reorg): Ditto.
9426 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9429 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9431 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9432 (s390_mangle_fundamental_type): New.
9433 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9436 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9437 (alpha_mangle_fundamental_type): New.
9438 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9441 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9443 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9445 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9446 (sparc_mangle_fundamental_type): New.
9448 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9450 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9451 (s390x-*-linux*): Likewise.
9452 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9453 * config/s390/t-linux: New file.
9455 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9457 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9458 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9460 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9462 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9463 (ANTIC_SAFE_LOADS): New macro.
9464 (find_or_generate_expression): Add prototype.
9465 (set_contains_value): Allow null set for sake of not always having
9466 to allocate ANTIC_SAFE_LOADS.
9467 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9468 Allow COMPONENT_REF too.
9469 (valid_in_set): Allow COMPONENT_REF.
9470 Check ANTIC_SAFE_LOADS too.
9471 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9472 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9474 (can_PRE_operation): Add COMPONENT_REF.
9475 (create_component_ref_by_pieces): New function.
9476 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9477 (insert_aux): Move AGGREGATE_TYPE_P check here.
9478 (compute_avail): Set bb local stmt uids.
9479 (pass_pre): Use TODO_update_ssa_only_virtuals.
9481 2006-02-06 Ben Elliston <bje@au.ibm.com>
9483 * configure.ac: Unconditionally disable decimal float by default.
9484 * configure: Regenerate.
9486 2006-02-06 Ben Elliston <bje@au.ibm.com>
9488 * read-rtl.c (read_name): Terminate reading on EOF.
9490 2006-02-06 Ben Elliston <bje@au.ibm.com>
9492 * dfp.c (decimal_real_arithmetic): Change second argument type
9493 from int to enum tree_code. Do not always return true, but now
9494 return result of any call to decimal_do helper functions.
9495 * dfp.h (decimal_real_arithmetic): Update prototype.
9497 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9499 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9501 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9504 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9507 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9509 * tree-vrp.c (cfg_loops): Removed.
9510 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9511 Use current_loops instead of cfg_loops. Pass flags to
9512 loop_optimizer_init.
9513 * cfgloopmanip.c (fix_loop_structure): Update only available
9515 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9516 loop_optimizer_init.
9517 * modulo-sched.c (build_loops_structure): Removed.
9518 (sms_schedule): Use loop_optimizer_init.
9519 * loop-init.c (loop_optimizer_init): Use flags to determine
9520 which properties of loops to prepare.
9521 (rtl_loop_init): Pass flags to loop_optimizer_init.
9522 * tree-ssa-sink.c (execute_sink_code): Ditto.
9523 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9524 * tree-ssa-pre.c (init_pre): Ditto.
9525 * cfgloop.h (LOOPS_NORMAL): New.
9526 (loop_optimizer_init): Declaration changed.
9528 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9530 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9531 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9533 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9535 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9537 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9538 * pa/t-pa64: Delete quadlib.c rule.
9539 * pa/x-ada: Revert last change.
9540 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9542 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9544 PR rtl-optimization/26087
9545 * rtlanal.c (canonicalize_condition): Do not cross basic block
9548 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9551 * config/ia64/ia64.c: Include debug.h.
9552 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9553 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9554 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9555 (process_epilogue, process_set, process_for_unwind_directive):
9556 Output unwind info only if requested. Add CFA info if requested.
9557 Add new arguments as needed. Adjust callers.
9558 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9560 (DWARF2_FRAME_INFO): Define to zero.
9561 * config/ia64/unwind-ia64.c: Remove code that compensated for
9562 the CFA offset error fixed above.
9563 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9564 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9565 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9566 -funwind-tables and -fexceptions to enable frame info.
9567 (dwarf2out_frame_init): Define initial CFA even if
9568 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9569 DWARF2_UNWIND_INFO is nonzero, not just defined.
9570 (dwarf2out_frame_finish): Output non-EH call frame info only
9571 if DWARF2_FRAME_INFO is nonzero.
9572 (convert_cfa_to_loc_list,
9573 compute_frame_pointer_to_cfa_displacement): Define even if
9574 unwind info is not supported.
9575 (gen_subprogram_die): Use the above unconditionally. Remove
9576 legacy alternate code.
9577 * toplev.c (compile_file): Compile in call to
9578 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9579 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9581 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9582 Jakub Jelinek <jakub@redhat.com>
9584 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9585 IBM extended float format long double as "g" on powerpc*-linux.
9587 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9590 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9591 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9593 2006-02-03 Jason Merrill <jason@redhat.com>
9596 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9599 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9600 on the return slot if it's an NRV.
9602 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9604 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9605 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9606 rewrite_use): Do not handle USE_OUTER.
9607 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9608 add_iv_outer_candidates, may_replace_final_value,
9609 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9610 (find_interesting_uses_op): Functionality of
9611 find_interesting_uses_outer_or_nonlin moved here.
9612 (find_interesting_uses_outside): Use find_interesting_uses_op.
9614 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9617 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9619 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9620 Ulrich Weigand <uweigand@de.ibm.com>
9623 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9624 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9625 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9626 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9628 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9629 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9630 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9631 Define secondary reloads for TFmode moves.
9632 (constant_modes): Add TFmode.
9633 (NR_C_MODES): Set to 8.
9634 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9636 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9637 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9638 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9639 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9640 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9641 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9642 (FPR mode macro): Add TFmode.
9643 (DSF mode macro): New.
9644 (<de>, <dee> mode attributes): Removed.
9645 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9646 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9647 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9648 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9649 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9650 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9651 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9652 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9653 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9654 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9655 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9656 "*negabs<mode>2", "sqrt<mode>2"):
9657 Changed <de> to <xde>. R constraint replaced by <Rf>.
9658 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9660 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9661 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9662 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9664 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9665 "extenddftf2", "extendsftf2"): New expanders.
9666 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9667 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9668 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9669 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9671 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9672 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9673 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9674 __floatditf): Add a GCC_4.1.0 symbol version tag.
9675 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9678 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9681 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9682 Use targetm.binds_local_p instead of TREE_PUBLIC.
9684 2006-02-02 Roger Sayle <roger@eyesopen.com>
9686 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9687 on INTEGER_TYPEs to indicate that it denotes a character type.
9688 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9689 signed_char_type_node, unsigned_char_type_node and char_type_node.
9690 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9691 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9692 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9694 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9695 Daniel Berlin <dberlin@dberlin.org>
9697 * tree-tailcall.c (arg_needs_copy_p): New function.
9698 (eliminate_tail_call): Use arg_needs_copy_p.
9699 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9700 (add_virtual_phis): New function.
9702 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9704 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9705 #ignore instead of #scratch for %g7 .register directive.
9707 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9709 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9712 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9714 * flow.c (calculate_global_regs_live): Assert that there aren't any
9717 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9719 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9721 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9722 bsi_after_labels iterator.
9723 * tree-if-conv.c (find_phi_replacement_condition,
9724 replace_phi_with_cond_modify_expr): Likewise.
9725 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9726 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9728 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9730 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9732 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9735 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9736 array after growing it.
9738 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9741 * fold-const.c (fold_checksum_tree): Change type of buf.
9743 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9745 * reload.c (push_secondary_reload): Initialize t_icode.
9747 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9749 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9750 -msoft-float -mlong-double-128 only issue a warning, but don't
9751 swich to DFmode long double.
9753 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9755 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9756 has a constant equivalent, iterate over equivalents for arg0,
9757 calling simplify_relational_operation and if there's a result
9758 cheaper than X, apply fold_rtx and return the result.
9760 2006-02-01 Jan Hubicka <jh@suse.cz>
9762 * opts.c (no_unit_at_a_time_default): New global variable.
9763 (decode_options): Use it.
9764 * opts.h (no_unit_at_a_time_default): Declare.
9766 2006-02-01 Paul Brook <paul@codesourcery.com>
9768 * function.c (assign_parm_setup_reg): Use function argument promotion
9770 * expr.c (expand_expr_real_1): Use function argument promotion rules
9773 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9775 * gcc.c (process_command): Change j to 'unsigned int'.
9777 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9780 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9781 Use the corrected index for the character
9782 out of the string constant.
9784 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9786 * mode-switching.c (optimize_mode_switching): Fix size
9787 allocated for bb_info[n_entities].
9789 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9791 * gcc.c (main): Correct type that is allocated for
9792 explicit_link_files.
9794 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9796 * config/s390/s390.c (init_alignment_context): Set
9797 ALIAS_SET_MEMORY_BARRIER on the MEM.
9798 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9800 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9803 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9805 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9808 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9810 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9811 * regrename.c: Ditto.
9812 * tree-ssa-loop-im.c: Ditto.
9813 * tree-dump.c: Ditto.
9814 * tree-complex.c: Ditto.
9815 * genrecog.c: Ditto.
9816 * tree-ssa-threadupdate.c: Ditto.
9818 * java/class.c: Ditto.
9819 * java/jcf-parse.c: Ditto.
9820 * java/resource.c: Ditto.
9821 * java/except.c: Ditto.
9822 * java/jvspec.c: Ditto.
9823 * java/jcf-write.c: Ditto.
9824 * java/jcf-path.c: Ditto.
9825 * java/gjavah.c: Ditto.
9826 * java/zextract.c: Ditto.
9827 * java/jcf-io.c: Ditto.
9828 * java/jcf.h: Ditto.
9829 * java/buffer.c: Ditto.
9830 * java/lang.c: Ditto.
9831 * java/parse-scan.y: Ditto.
9832 * java/lex.c: Ditto.
9833 * java/lex.h: Ditto.
9834 * cfgloopmanip.c: Ditto.
9835 * postreload-gcse.c: Ditto.
9836 * tree-ssa-loop-manip.c: Ditto.
9837 * postreload.c: Ditto.
9838 * tree-ssa-loop-ch.c: Ditto.
9842 * diagnostic.c: Ditto.
9844 * genoutput.c: Ditto.
9846 * cfghooks.c: Ditto.
9847 * cfgloopanal.c: Ditto.
9848 * objc/objc-act.c: Ditto.
9850 * genextract.c: Ditto.
9851 * genautomata.c: Ditto.
9852 * pretty-print.c: Ditto.
9854 * cgraphunit.c: Ditto.
9857 * haifa-sched.c: Ditto.
9858 * dominance.c: Ditto.
9860 * tree-ssa-loop-ivopts.c: Ditto.
9862 * mode-switching.c: Ditto.
9863 * modulo-sched.c: Ditto.
9865 * ipa-pure-const.c: Ditto.
9867 * fix-header.c: Ditto.
9869 * tree-stdarg.c: Ditto.
9870 * ipa-utils.c: Ditto.
9871 * loop-init.c: Ditto.
9872 * ipa-inline.c: Ditto.
9875 * alloc-pool.c: Ditto.
9876 * dwarf2out.c: Ditto.
9878 * genattrtab.c: Ditto.
9879 * tree-ssa-loop-ivcanon.c: Ditto.
9883 * fortran/gfortranspec.c: Ditto.
9885 * local-alloc.c: Ditto.
9886 * langhooks.c: Ditto.
9887 * function.c: Ditto.
9888 * tree-vectorizer.c: Ditto.
9890 * ipa-type-escape.c: Ditto.
9892 * tree-if-conv.c: Ditto.
9895 * tree-data-ref.c: Ditto.
9896 * loop-unroll.c: Ditto.
9897 * treelang/treetree.c: Ditto.
9900 * ggc-common.c: Ditto.
9902 * coverage.c: Ditto.
9904 * tree-cfgcleanup.c: Ditto.
9905 * tree-ssa-pre.c: Ditto.
9906 * cfgcleanup.c: Ditto.
9907 * loop-invariant.c: Ditto.
9909 * ipa-prop.c: Ditto.
9910 * print-tree.c: Ditto.
9911 * conflict.c: Ditto.
9912 * ggc-page.c: Ditto.
9913 * sched-deps.c: Ditto.
9914 * regclass.c: Ditto.
9915 * tree-object-size.c: Ditto.
9917 * bb-reorder.c: Ditto.
9918 * resource.c: Ditto.
9919 * var-tracking.c: Ditto.
9921 * df-problems.c: Ditto.
9922 * reg-stack.c: Ditto.
9925 * sched-rgn.c: Ditto.
9926 * tree-ssa-structalias.c: Ditto.
9927 * tree-ssa-reassoc.c: Ditto.
9928 * config/darwin-c.c: Ditto.
9929 * config/darwin.c: Ditto.
9930 * config/arm/arm.c: Ditto.
9932 * collect2.c: Ditto.
9935 2006-01-31 Nicolas Pitre <nico@cam.org>
9937 * arm.md (smaxsi3): Make aware of smax_m1.
9940 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9942 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9944 2006-01-31 Richard Guenther <rguenther@suse.de>
9946 * doc/invoke.texi (-msselibm): Document.
9947 * target.h (expand_library_builtin): New target hook.
9948 * builtins.c (expand_builtin): Use expand_library_builtin.
9949 (default_expand_library_builtin): New function.
9950 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9951 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9952 (link_gcc_math_spec): Declare.
9953 (static_specs): Add link_gcc_math_spec.
9954 * expr.h (default_expand_library_builtin): Declare.
9955 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9956 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9957 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9958 * config/i386/i386.opt (msselibm): New target option.
9959 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9960 (ix86_init_sse_abi_builtins): New function.
9961 (ix86_expand_library_builtin): Likewise.
9962 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9963 (override_options): Handle error conditions wrt -msselibm.
9964 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9965 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9966 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9969 2006-01-31 Richard Guenther <rguenther@suse.de>
9970 Paolo Bonzini <bonzini@gnu.org>
9972 * doc/install.texi (--disable-libgcc-math): Document.
9974 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9976 * expr.h (expand_normal): new inline function.
9977 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9979 * dwarf2out.c: use it.
9984 * config/sparc/sparc.c: use it.
9985 * config/i386/i386.c: use it.
9986 * config/rs6000/rs6000.c: use it.
9987 * config/arm/arm.c: use it.
9988 * config/mips/mips.c: use it.
9989 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9991 2006-01-30 Roger Sayle <roger@eyesopen.com>
9993 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9994 argv to the appropriate type.
9996 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9998 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10001 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10004 * config/s390/s390.c (struct machine_function): New flag
10005 decomposed_literal_pool_addresses_ok_p.
10006 (s390_reorg): Set it before final stage of literal pool transforms.
10007 (s390_decompose_address): Only accept displacements of the form
10008 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10010 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10012 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10013 the comparison routine return.
10015 2006-01-30 Michael Matz <matz@suse.de>
10017 * global.c (find_reg): Only evict for global regs.
10018 Take n_refs into account and dump more info.
10020 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10023 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10024 (pragma_trap, pragma_nosave_low_regs): Likewise.
10025 (current_function_anonymous_args): Likewise.
10026 (sh_deferred_function_attributes): New variable.
10027 (sh_deferred_function_attributes_tail): Likewise.
10028 (print_operand): For '@', look up trap_exit attribute.
10029 (calc_live_regs): Look up trapa_handler attribute. For trapa
10030 handlers, save/restore fpscr, but don't do any other
10031 interrupt-specific saves.
10032 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10033 Fix check for partially saved registers to check for SHmedia.
10034 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10035 (sh_output_function_epilogue): Don't clear any of the removed
10037 (sh_insert_attributes): Don't check pragma_interrupt.
10038 Insert deferred attributes. Check that interrupt attribute is
10039 present for other attributes that require its presence.
10040 (sh_attribute_table): Add new attributes trapa_handler and
10042 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10043 Don't check for pragma_interrupt. Don't store argument.
10044 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10045 (sh_deferred_function_attributes): Declare.
10046 (sh_deferred_function_attributes_tail): Likewise.
10047 * sh.md (sp_switch_1): Add operand. Change generator caller.
10048 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10049 (*return_i): Don't use when trap_exit attribute is in effect.
10050 (*return_trapa): New insn pattern.
10051 * sh-c.c: New file.
10052 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10053 setting c_target_objs and cxx_target_objs.
10054 * t-sh: Add rule for sh-c.o.
10056 2006-01-30 Richard Guenther <rguenther@suse.de>
10059 * gimplify.c (gimplify_target_expr): Handle easy cases
10060 without creating a temporary.
10062 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10064 * vec.h (safe_grow): Remove duplicated line.
10066 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10069 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10070 (expand_omp): ... here.
10071 (expand_omp_parallel): Only remove barriers for combined
10072 parallel+workshare constructs.
10074 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10078 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10079 * tree.c (build_qualified_type): Chain the new type to the original
10080 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10081 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10082 (build_pointer_type_for_mode): Only return unqualified types.
10083 (build_reference_type_for_mode): Likewise.
10085 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10087 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10088 * Makefile.in (CXX_COMPAT_WARN): Define.
10089 * configure: Regenerate.
10091 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10094 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10097 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10099 * toplev.c: Fix thinko.
10101 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10102 Marcin Dalecki <martin@dalecki.de>
10104 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10105 (push_srcloc): Use XNEW.
10106 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10108 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10110 * df-core.c (df_set_blocks): Deleted all variable.
10112 2006-01-28 Ian Lance Taylor <ian@airs.com>
10114 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10115 cgraph_output_pending_asms.
10117 2006-01-28 Zack Weinberg <zackw@panix.com>
10119 * c.opt: Add -W(no-)overlength-strings.
10120 * doc/invoke.texi: Document it.
10121 * c-opts.c (c_common_handle_option): -pedantic implies
10122 -Woverlength-strings, if not explicitly disabled already.
10123 (c_common_post_options): -Woverlength-strings defaults to off, and
10124 is always off for C++.
10125 * c-common.c (fix_string_type): Issue warning about strings longer
10126 than is portable only if warn_overlength_strings. Rearrange code
10127 a little for clarity.
10128 * configure.in: Check for -Wno-overlength-strings as well before
10129 enabling -pedantic in stage 1.
10130 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10131 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10133 * genconditions.c (write_header, write_one_condition)
10134 (write_conditions, write_writer): Consolidate very long strings
10135 that were broken up to fit in C89 portable limit. Don't use
10136 printf when fputs will do.
10138 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10140 * combine.c (simplify_comparison <AND>): Check
10141 TRULY_NOOP_TRUNCATION before start using a subreg.
10143 * config/mips/mips.md (*branch_zero<mode>,
10144 *branch_zero<mode>_inverted, *branch_equality<mode>,
10145 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10146 Remove mode check from comparisons.
10148 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10150 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10152 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10154 * expmed.c (const_mult_add_overflow_p): Remove.
10155 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10157 * recog.c (validate_replace_rtx_subexp): Remove.
10158 * recog.h: Remove the prototype for
10159 validate_replace_rtx_subexp.
10161 * integrate.h: Remove the prototype for
10162 copy_decl_for_inlining.
10163 * rtl.h: Remove the prototype for mark_constant_function.
10164 * tree-vectorizer.h: Remove the prototype for
10165 vect_strip_conversion.
10167 * modulo-sched.c (create_partial_schedule,
10168 free_partial_schedule, reset_partial_schedule): Make them
10171 * hooks.c (hook_bool_rtx_int_false): Remove.
10172 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10174 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10176 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10177 and -mlong-double-128 are incompatible.
10178 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10179 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10180 (TARGET_LIBGCC2_CFLAGS): Define.
10181 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10182 (TARGET_LIBGCC2_CFLAGS): Same.
10183 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10185 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10188 * c-typeck.c (build_binary_op): Perform implicit casts of
10189 operands before shortening them.
10191 * cfgloopmanip.c (split_loop_bb): Remove.
10192 * cfgloop.h: Remove the prototype for split_loop_bb.
10194 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10195 * cfgloop.h: Remove the prototype for
10196 flow_loop_outside_edge_p.
10198 * emit-rtl.c (init_virtual_regs): Make it static.
10199 * function.h: Remove the prototype for init_virtual_regs.
10201 * recog.c (peephole2_optimize): Make it static.
10202 * recog.h: Remove the prototype for peephole2_optimize.
10204 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10206 * df-scan.c (df_record_entry_block_defs): Check if
10207 INCOMING_RETURN_ADDR_RTX is defined.
10209 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10210 Kenneth Zadeck <zadeck@naturalbridge.com>
10212 PR rtl-optimization/24762
10213 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10214 * targhooks.c (hook_void_bitmap): New hook prototype.
10215 * targhoohs.h (hook_void_bitmap): Ditto.
10216 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10217 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10218 * target.h (live_on_entry): New function pointer.
10219 * df-scan.c (df_all_hard_regs): Removed.
10220 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10221 (df_scan_free_internal): Added df->entry_block_defs.
10222 (df_scan_alloc): Ditto.
10223 (df_scan_dump): Ditto.
10224 (df_uses_record): Plumbed flag field properly thru calls.
10225 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10226 This part fixes PR24762.
10227 (df_bb_refs_record): Added code to make the frame and arg
10228 pointers live in EH blocks.
10229 (df_refs_record): Added call to df_record_entry_block_defs.
10230 (df_record_entry_block_defs): New function.
10231 * df-core.c: Added comments to describe new artifical defs.
10232 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10233 (entry_block_defs): New field in struct df.
10234 (df_all_hard_regs): Deleted.
10235 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10236 * df-problems.c (df_ru_bb_local_compute_process_def):
10237 Added code to handle artifical defs in the entry to a function.
10238 (df_ru_bb_local_compute): Ditto.
10239 (df_rd_bb_local_compute_process_def): Ditto.
10240 (df_rd_bb_local_compute): Ditto.
10241 (df_lr_bb_local_compute): Ditto.
10242 (df_ur_bb_local_compute): Ditto.
10243 (df_urec_bb_local_compute): Ditto.
10244 (df_chain_create_bb): Ditto.
10245 (df_ur_local_finalize): Removed entry.
10246 (df_urec_init): Ditto.
10247 (df_urec_local_finalize): Ditto.
10248 (df_ri_bb_compute): Added detection of last use of pseudos.
10249 * Makefile.in (df-scan.o): Updated dependencies.
10250 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10251 * config/mips/mips.c (mips_set_live_on_entry): Added.
10252 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10254 * dce.c (marked_insn_p): Added code to handle artifical defs.
10256 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10258 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10260 (_mm_cvtsi128_si64): Likewise.
10261 (_mm_cvtsd_si64): Likewise.
10262 (_mm_cvttsd_si64): Likewise.
10263 (_mm_cvtsi64_sd): Likewise.
10264 (_mm_cvtsi64_si128): Likewise.
10265 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10266 (_mm_cvtsi64_m64): Likewise.
10267 (_m_to_int64): Likewise.
10268 (_mm_cvtm64_si64): Likewise.
10269 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10270 (_mm_cvttss_si64): Likewise.
10271 (_mm_cvtsi64_ss): Likewise.
10272 (_mm_cvtss_f32): Likewise.
10274 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10276 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10277 for pragma redefine_extname.
10279 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10282 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10283 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10284 -mno-minimal-toc to previous content.
10285 (bispecs): Remove goal.
10286 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10287 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10288 compatibility aliases on powerpc-*-*gnu*.
10289 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10290 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10291 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10292 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10293 (ldblspecs): New goal.
10294 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10295 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10297 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10298 L_sf_to_tf or L_df_to_tf is defined.
10300 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10301 Alan Modra <amodra@bigpond.net.au>
10304 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10305 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10306 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10307 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10308 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10309 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10310 (rs6000_override_options): Initialize rs6000_ieeequad.
10311 Initialize TFmode format to ibm_extended_format if not
10313 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10315 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10316 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10317 (function_arg_advance): IBM long double passed in two FPRs, not
10319 (function_arg): IBM long double passed in FPRs.
10320 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10321 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10322 Only multireg GPR aligned.
10323 (rs6000_init_libfuncs): Enable IBM long double functions if not
10325 (rs6000_generate_compare): Use IBM long double compare if not
10327 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10328 (TARGET_IEEEQUAD): Define.
10329 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10330 not TARGET_IEEEQUAD.
10331 * config/rs6000/rs6000.md: Enable TFmode patterns if
10333 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10334 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10335 and -mlong-double-128 are incompatible.
10336 * doc/invoke.texi (-mabi): Collect options together. Add
10337 ibmlongdouble and ieeelongdouble.
10339 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10341 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10343 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10344 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10345 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10346 * rtl.h (rtunion_def): Remove rt_ptr.
10348 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10349 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10350 * config/i386/winnt.c (i386_pe_mark_dllexport)
10351 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10353 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10355 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10357 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10361 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10362 pthread_key_delete. From John David Anglin. gthrw-ify
10363 pthread_getunique_np only if it it's not a macro. Delete
10365 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10366 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10367 __gthread_objc_condition_signal, __gthread_key_delete): Add
10368 "__attribute__ ((__unused__))" to unused arguments.
10369 (__gthread_recursive_mutex_init_function): Add missing return.
10370 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10371 gthr-posix95.h: Use macro-based approach for name redirection
10372 on targets missing weakref.
10374 2006-01-26 Zack Weinberg <zackw@panix.com>
10376 * genconditions.c (write_header): In generated code, #ifdef out
10377 all includes and fake declarations, except includes of bconfig.h
10378 and system.h, unless GCC_VERSION >= 3001. Do not include
10379 gensupport.h in any case.
10380 (write_conditions): Generate a definition of struct c_test. Add
10381 a comment to the generated #endif.
10382 (write_one_condition): Escape backslashes in string too.
10383 (write_writer): Generated code must escape backslashes and quote
10384 marks (but not newlines) in the strings it writes.
10385 * Makefile.in (build/gencondmd.o): Update dependencies.
10387 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10390 * Makefile.in (insn-automata.o): Add header file dependencies.
10391 * genautomata.c: Add includes.
10393 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10396 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10398 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10400 * configure.ac: Expect target tools paths to be passed from the toplevel
10401 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10403 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10405 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10408 * c.opt (Wpointer-sign): Init to -1.
10409 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10410 OPT_pedantic, to 0 otherwise.
10411 * doc/invoke.texi: Update.
10413 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10415 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10416 constants provided by 80387 instructions in the destination mode.
10418 2006-01-26 Richard Guenther <rguenther@suse.de>
10419 Andrew Pinski <pinskia@physics.uc.edu>
10422 partial PR tree-opt/17064
10423 * tree-ssa-structalias.c (intra_create_variable_infos):
10424 Create heap variables for incoming parameters if
10425 flag_argument_noalias > 1.
10426 (find_what_p_points_to): Look through default defs of
10429 2006-01-26 Jeff Law <law@redhat.com>
10432 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10433 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10434 within the VR_RANGE, use the VR_RANGE as the result, not the
10436 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10437 bounds for the type.
10439 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10441 * tree-ssa-alias.c (maybe_create_global_var): Change
10442 subvar walking to an assertion that we don't have subvar'd variables.
10444 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10447 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10448 Use a new variable, inner. PARM_DECLs are always non-weak.
10450 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10452 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10453 --disable-checking.
10455 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10457 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10459 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10461 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10462 (smax_insn, smin_insn, smax_0, smin_0): New.
10464 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10467 * config/cris/cris.c (cris_order_for_addsi3): New function.
10468 * config/cris/cris-protos.h: Prototype it.
10469 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10470 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10471 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10472 (split for "op.S1 [rx=rx+i],ry (swapped)")
10473 (split for "op(s|u).S1 [rx=rx+i],ry")
10474 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10475 Apply cris_order_for_addsi3 when generating addsi3 insns.
10477 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10479 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10480 (TREE_BLOCK): Add call to EXPR_CHECK.
10482 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10485 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10486 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10487 (dump_omp_clauses): ... here.
10488 (dump_generic_node): Handle OMP_CLAUSE.
10489 * tree.c (omp_clause_num_ops): New.
10490 (omp_clause_code_name): New.
10491 (tree_code_size): Handle OMP_CLAUSE.
10492 (tree_size): Likewise.
10493 (make_node): Document handling of OMP_CLAUSE.
10494 (tree_node_structure): Handle OMP_CLAUSE.
10495 (omp_clause_check_failed): New.
10496 (omp_clause_range_check_failed): New.
10497 (omp_clause_operand_check_failed): New.
10498 (build_omp_clause): New.
10499 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10500 * tree.h (enum omp_clause_code): Declare.
10501 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10502 (OMP_CLAUSE_RANGE_CHECK): Define.
10503 (OMP_CLAUSE_ELT_CHECK): Define.
10504 (omp_clause_check_failed): Declare.
10505 (omp_clause_operand_check_failed): Declare.
10506 (omp_clause_range_check_failed): Declare.
10507 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10508 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10509 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10510 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10511 (OMP_CLAUSE_IF_EXPR): Likewise.
10512 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10513 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10514 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10515 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10516 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10517 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10518 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10519 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10520 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10521 (OMP_CLAUSE_CODE): Define.
10522 (OMP_CLAUSE_SET_CODE): Define.
10523 (OMP_CLAUSE_CODE): Define.
10524 (OMP_CLAUSE_OPERAND): Define.
10525 (struct tree_omp_clause): Declare.
10526 (union tree_node): Add field 'omp_clause'.
10527 * treestruct.def (TS_OMP_CLAUSE): Define.
10528 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10529 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10530 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10531 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10532 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10533 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10534 (OMP_CLAUSE): Define.
10535 * print-tree.c (print_node): Handle OMP_CLAUSE.
10536 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10537 * c-typeck.c: Likewise.
10538 * gimplify.c: Likewise.
10539 * c-omp.c: Likewise.
10540 * tree-nested.c: Likewise.
10541 * tree-inline.c: Likewise.
10542 * c-parser.c: Likewise.
10543 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10546 2006-01-25 Roger Sayle <roger@eyesopen.com>
10548 PR rtl-optimization/25703
10549 * combine.c (try_combine): Handle zero_extract and strict_low_part
10550 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10552 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10554 * global.c: Fix comment typos.
10556 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10559 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10560 Use output_addr_const instead of assemble_name.
10562 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10564 * Makefile.in (sched-vis.o): Update dependencies.
10565 * haifa-sched.c (sched_finish): Clear current_sched_info.
10566 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10567 (dump_flow_info): Call it.
10568 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10570 * basic-block.h (dump_bb_info): Declare.
10571 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10572 option, and apply options only for dump files whose TDF_RTL,
10573 TDF_TREE, or TDF_IPA bits match.
10574 * rtl.h: Declare new functions exported from sched-vis.c.
10575 * sched-vis.c: Enable also if scheduling is not used.
10576 (print_value): Print the mode of registers if not inside scheduling.
10577 (print_insn): Make it work outside the scheduler. Beautify the output
10579 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10581 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10583 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10584 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10585 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10586 depending on the value of CONSTANT_POOL_ADDRESS_P.
10587 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10589 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10590 rather than SYMBOL_REF_DECL.
10591 (rtx_constant_pool): Remove const_rtx_sym_htab.
10592 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10593 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10594 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10595 Remove handling of const_rtx_sym_htab.
10596 (find_pool_constant): Delete.
10597 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10598 rather than find_pool_constant.
10599 (get_pool_constant_for_function): Delete.
10600 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10601 find_pool_constant.
10602 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10603 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10604 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10605 (SYMBOL_REF_CONSTANT): New macro.
10606 (get_pool_constant_for_function): Delete.
10607 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10608 rather than SYMBOL_REF_DECL.
10609 (i386_pe_mark_dllimport): Likewise.
10610 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10611 rather than SYMBOL_REF_DECL.
10612 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10613 (machopic_indirect_call_target): Likewise.
10615 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10617 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10619 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10621 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10623 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10625 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10627 2006-01-24 David Daney <ddaney@avtrex.com>
10630 * configure.ac (enable_tls): New enable option.
10631 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10632 * configure: Regenerate.
10633 * doc/install.texi (--enable-tls): Document new option.
10634 (--disable-tls): Ditto.
10636 2006-01-24 Richard Henderson <rth@redehat.com>
10638 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10639 * alias.c (true_dependence): Respect it.
10640 (canon_true_dependence, write_dependence_p): Likewise.
10641 * builtins.c (get_builtin_sync_mem): Set it.
10643 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10645 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10648 2006-01-24 DJ Delorie <dj@redhat.com>
10650 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10651 for storing constants in single-bit bitfields.
10653 2006-01-25 Ben Elliston <bje@au.ibm.com>
10655 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10657 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10660 * tree-ssa-pre.c (phi_translate): Return NULL
10661 for AGGREGATE_TYPE's.
10663 2006-01-24 Zack Weinberg <zackw@panix.com>
10665 * genautomata.c (process_state_for_insn_equiv_partition):
10666 Use xcalloc for insn_arcs_array.
10667 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10668 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10670 2006-01-24 Richard Henderson <rth@redhat.com>
10672 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10673 update all callers.
10675 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10677 PR rtl-optimization/25890
10678 PR rtl-optimization/25905
10679 * combine.c (expand_compound_operation, expand_field_assignment):
10680 Fail if the bitfield's final position is out of bounds.
10682 2006-01-24 Ian Lance Taylor <ian@airs.com>
10684 PR middle-end/25930
10685 * cgraphunit.c (cgraph_output_in_order): Don't clear
10686 cgraph_asm_nodes until after asm strings have been output.
10688 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10690 * fix-header.c (read_scan_file): Add new parameter imultilib when
10691 calling register_include_chains.
10693 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10695 * omp-low.c: Update documentation.
10697 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10698 Daniel Berlin <dberlin@dberlin.org>
10702 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10703 return from the function.
10705 2006-01-22 Zack Weinberg <zackw@panix.com>
10707 * rtl.def (match_code): Add second argument.
10708 * genpreds.c (write_extract_subexp): New function.
10709 (write_match_code): Add path argument. Use write_extract_subexp.
10710 (write_predicate_expr): Pass path to write_match_code.
10711 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10712 not perform a mode test.
10713 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10714 a subexpression does not constrain the top-level code set.
10715 * read-rtl.c (read_rtx_variadic): New function.
10716 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10717 * doc/md.texi: Document new notation.
10718 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10719 (cmpsi_operand): ... here, using new notation.
10721 2006-01-22 Zack Weinberg <zackw@panix.com>
10723 * varray.c: Remove GENERATOR_FILE #ifdefs.
10725 2006-01-22 Zack Weinberg <zackw@panix.com>
10727 * genautomata.c (output_reserved_units_table): Emit nothing if
10728 description->query_units_num is zero. Remove extra blank line.
10729 (output_cpu_unit_reservation_p): Short circuit
10730 if description->query_units_num is zero.
10732 2006-01-22 Zack Weinberg <zackw@panix.com>
10734 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10735 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10736 nor any of the random handful of variables that used to be necessary
10737 when this program was linked with rtlanal.o. Prune set of forward
10738 function declarations.
10739 (struct attr_desc): Remove static_p field.
10740 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10741 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10742 (attr_string): Do not read the character one past the length of
10744 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10745 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10746 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10747 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10748 (make_automaton_attrs): New.
10749 (main): Do not call into genautomata. Call local gen_bypass
10750 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10751 Remove special case for insn_alts.
10752 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10753 varray.h (leftover from previous change). Prune set of forward
10754 function declarations. Remove state_alts fields from all
10755 structures. Remove state_alts_table from struct automaton.
10756 Make everything except main static. Do not maintain num_dfa_decls.
10757 Do not maintain state_alts fields of various structures.
10758 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10759 (add_arc): Remove state_alts argument. All callers updated.
10760 (output_reserved_units_table): Emit #ifdef here...
10761 (output_tables): ...not here. Don't generate state_alts tables.
10762 (expand_automata): Don't generate attributes.
10763 (write_automata): Don't generate state_alts functions.
10764 (main): New function.
10765 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10766 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10767 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10768 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10769 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10770 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10771 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10772 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10774 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10775 * genattrtab.h: Delete file.
10776 * Makefile.in (OBJS-common): Add insn-automata.o.
10777 (insn-automata.o): New rule.
10778 (simple_generated_c): Add insn-automata.c.
10779 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10780 (genprogmd): Add automata.
10781 (build/genattrtab): Needs no extra objects nor libraries.
10782 (build/genautomata): Needs build/vec.o and -lm.
10784 2006-01-22 Zack Weinberg <zackw@panix.com>
10786 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10787 (output_dfa_max_issue_rate, locked_states_num): Delete.
10788 (struct automaton): Add locked_states field.
10789 (output_dead_lock_vect): Save number of locked states in
10790 automaton->locked_states. If it is zero, don't print anything.
10791 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10792 (output_internal_dead_lock_func): Only test the dead_lock_vect
10793 for automata that have locked states.
10794 (output_statistics): Always print the number of locked states for
10795 each automaton. Calculate total number of locked states here.
10796 (write_automata): Don't call output_dfa_max_issue_rate.
10797 * genattrtab.c: Define length_unit_log as a const variable.
10798 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10799 max_insn_queue_index const.
10800 * final.c (length_unit_log): Declare const.
10801 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10803 2006-01-22 Zack Weinberg <zackw@panix.com>
10805 * genautomata.c: Include vec.h, not varray.h.
10806 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10807 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10808 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10809 VEC_* macros operating on appropriately typed vectors, or to
10810 malloced arrays when the size is known in advance. Const-ify
10811 many char* variables and function arguments. No functional changes.
10812 * Makefile.in (build/varray.o): Delete rule.
10813 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10814 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10816 2006-01-22 Zack Weinberg <zackw@panix.com>
10818 * gensupport.c: Define get_insn_name and record_insn_name here.
10819 (read_md_rtx): Call record_insn_name as appropriate.
10820 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10821 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10822 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10824 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10825 (BUILD_VARRAY): Delete.
10826 (genprognormal): Rename genprogmd. Fold in all programs from
10827 genprognoprint; also attrtab.
10828 (build/genattrtab): Just mention genautomata.o and varray.o.
10829 Reorganize a bit, add comments to make the categories clearer.
10831 2006-01-22 Zack Weinberg <zackw@panix.com>
10833 * genconditions.c (condition_table, add_condition): Delete.
10834 (write_conditions): Don't emit n_insn_conditions nor
10835 insn_elision_unavailable. Issue the gcc version #ifdef here,
10836 inside the table, with no #else clause ...
10837 (write_header): ...not here.
10838 (write_writer): New function.
10839 (main): Don't initialize condition_table. Use add_c_test.
10841 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10842 files on the command line.
10843 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10844 Return -1 if there is no entry in the table, don't abort.
10845 (add_c_test, traverse_c_tests): New functions.
10846 * gensupport.h (insn_elision_unavailable, insn_conditions)
10847 (n_insn_conditions): Delete declarations.
10848 (add_c_test, traverse_c_tests): Declare.
10849 * read-rtl.c: Include gensupport.h.
10850 (read_conditions): New function.
10851 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10852 (read_rtx_1): If we get EOF when we were looking for an initial
10853 open paren, return 0. Call read_conditions when appropriate.
10854 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10855 dummy-conditions.o. Eliminate references to insn-conditions.o,
10856 or change them to build/gencondmd.o, as appropriate. Remove
10857 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10858 from $(simple_generated_c). For all files remaining in those
10859 two lists, add insn-conditions.md to the generator command line.
10860 Give insn-constants.h/s-constants their own rules. Add rules
10861 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10862 (build/read-rtl.o): Depend on gensupport.h.
10863 (genprognormal): Include preds.
10864 (genprogearly): Rename genprognoprint; only difference is now that
10865 they don't link with $(BUILD_PRINT).
10866 * dummy-conditions.c: Delete.
10868 2006-01-22 Zack Weinberg <zackw@panix.com>
10870 * genextract.c: Don't include insn-config.h. Do include vec.h.
10871 Declare vectors of int, char, and locstr.
10872 (locstr): New typedef.
10873 (struct extraction): Make all array fields into bare pointers.
10874 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10875 (insn_code_number): Delete.
10876 (accum_extract): New struct.
10877 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10878 (gen_insn): Take insn_code_number as an argument. Use an
10879 accum_extract structure instead of loading data directly into
10880 a struct extraction, and having to know how big it might get.
10881 (walk_rtx): Operate entirely on an accum_extract structure.
10882 (print_path): Avoid unnecessary use of printf.
10883 (print_header): New function, split out of main. Distinguish
10884 more carefully between an unrecognizable insn and an insn that
10885 has the code number of a define_expand.
10886 (main): Pass insn_code_number to gen_insn. Call print_header
10887 only after parsing. Avoid unnecessary use of printf.
10888 * Makefile.in (build/vec.o): New rule.
10889 (build/genextract): Depend on build/vec.o.
10890 (build/genextract.o): Don't depend on insn-config.h.
10892 2006-01-22 Zack Weinberg <zackw@panix.com>
10894 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10895 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10896 practical. Eliminate per-generator-program link rules.
10898 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10900 PR middle-end/24437
10901 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10902 with a call expr to ...
10903 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10905 2006-01-23 Richard Guenther <rguenther@suse.de>
10907 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10908 before make_edge with conditional EDGE_TRUE_VALUE.
10910 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10911 Jan Hubicka <jh@suse.cz>
10912 Richard Guenther <rguenther@suse.de>
10914 PR rtl-optimization/25654
10915 * cfgexpand.c (aggregate_contains_union_type): New function.
10916 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10917 for structure variables that contain a union type.
10919 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10921 * gengtype.c (new_structure): Return the structure.
10922 (create_option): Add an extra "next" argument.
10923 (create_field): New function.
10924 (adjust_field_rtx_def): Use create_option and create_field.
10925 Remove a now-unnecessary call to find_structure.
10926 (adjust_field_tree_def): Likewise.
10927 (note_yacc_type): Remove an unnecessary call to find_structure.
10928 * gengtype.h (new_structure): Return the structure.
10929 (create_option): Add an extra argument.
10930 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10931 (option): Adjust calls to create_option.
10933 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10935 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10937 2006-01-22 Paul Brook <paul@codesourcery.com>
10938 Peter Barada <peter@the-baradas.com>
10940 * config/m68k/m68k.md: Add Coldfire FPU support.
10941 Define FP mode macro and associated attributes.
10942 Use it for float mode patterns.
10943 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10944 (LIBCALL_VALUE): Use m68k_libcall_value.
10945 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10946 (m68k_function_value): Ditto.
10947 (emit_move_sequence): Ditto.
10948 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10949 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10950 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10951 (MULTILIB_EXCEPTIONS): Ditto.
10952 * config/m68k/m68k.opt: Add mcfv4e.
10953 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10954 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10955 (m68k_output_function_prologue): Save ColdFire FPU registers.
10956 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10957 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10958 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10959 ColdFire FPU registers.
10960 (m68k_libcall_value, m68k_function_value): New functions.
10961 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10962 (LIBCALL_VALUE): Use m68k_libcall_value.
10963 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10964 (MASK_COLDFIRE): Add MASK_CFV4E.
10965 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10966 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10967 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10968 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10969 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10970 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10971 * doc/invoke.tex: Document -mcfv4e on m68k.
10973 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10975 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10978 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10981 * c-opts.c (c_common_handle_option): Don't include
10982 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10983 * doc/invoke.texi (C++ Dialect Options): Document that
10984 -Wnon-virtual-dtor is no longer included in -Wall.
10986 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10988 * gcov.c (print_version), gcov-dump.c (print_version),
10989 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10992 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10994 * df-scan.c (problem_SCAN): Added NULL reset function.
10995 (df_scan_reset_blocks): Added code to call reset block function
10996 (df_bb_refs_delete) Fixed comment.
10997 (df_insn_refs_delete): Made tolerant of deleting non existent info
10998 for dataflow problems that need to be reset.
10999 * df-core.c (df_set_blocks): Ditto.
11000 * df.h (struct df_problem): Added reset_fun.
11001 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11002 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11003 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11004 functions to clear out all references to def-use or use-def chains.
11006 2006-01-21 Ben Elliston <bje@au.ibm.com>
11008 * varasm.c (assemble_real): Initialise data array.
11010 2006-01-20 Paul Brook <paul@codesourcery.com>
11012 Merge from csl-arm-branch.
11013 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11014 * config/arm/arm.md (movdi): Force operands[1] to a register
11015 if we have a non-register source.
11016 (*arm_movdi, *movdf_soft_insn): Require that one of the
11017 operands be a register.
11018 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11019 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11021 2006-01-20 DJ Delorie <dj@redhat.com>
11023 * varasm.c (initializer_constant_valid_p): Allow pointers
11024 initialized from integer constants of lesser precision.
11025 (output_constant): Allow non-int-sized pointer modes to be
11026 initialized from integer constants.
11028 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11031 * cppdefault.h (struct default_include): Add multilib flag.
11032 * cppdefault.c (cpp_include_defaults): Set it.
11033 * c.opt (-imultilib): New option.
11034 * c-opts.c (imultilib): New.
11035 (c_common_handle_option): Handle -imultilib.
11036 (c_common_post_options): Likewise.
11037 * c-incpath.c (add_standard_paths, register_include_chains):
11039 * c-incpath.h (register_include_chains): Add extra parameter.
11040 * gcc.c (do_spec_1): Generate -imultilib option.
11041 (The Specs Language): Update %I description.
11042 (process_command): Update copyright notice.
11043 * doc/cppopts.texi (-imultilib): Document.
11044 * doc/invoke.texi (-imultilib): Include in option summary.
11045 (%I): Update specs documentation.
11047 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11049 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11051 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11053 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11056 2006-01-20 Richard Guenther <rguenther@suse.de>
11057 Steven Bosscher <stevenb.gcc@gmail.com>
11059 PR rtl-optimization/24626
11060 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11061 EDGE_TRUE_VALUE if in RTL mode.
11064 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11065 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11067 2006-01-20 Dirk Mueller <dmueller@suse.com>
11070 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11071 instead of a special NOP marker.
11072 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11073 NOP marker handling.
11074 * c-common.h (empty_body_warning): Add forward declaration.
11075 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11076 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11078 2006-01-20 Paul Brook <paul@codesourcery.com>
11080 * Makefile.in (lang_checks): Keep going if mkdir fails.
11082 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11084 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11085 be able to clean out basic block when not necessary.
11086 (df_scan_free): Fixed to properly delete information if df is
11087 unused before calling df_finish.
11088 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11089 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11091 (df_bb_refs_delete): New function.
11092 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11093 * df-core.c (df_set_blocks): Added code to properly clean out
11094 unused blocks if they are not part of the blocks to consider.
11095 Added additional null check.
11096 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11097 be able to clean out basic block when not necessary
11098 * df.h (df_free_bb_function): Ditto.
11099 (df_bb_refs_delete): New function.
11100 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11101 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11102 basic block parameter to be able to clean out basic block when not
11104 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11105 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11106 Fixed to properly delete information if df is unused before
11109 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11111 PR rtl-optimization/25799
11112 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11113 Corrected confluence operator to remove bits from op2 before oring
11114 with op1 rather than removing bits from op1.
11115 (df_ru_transfer_function): Corrected test on wrong bitmap which
11116 caused infinite loop. Both of these problems were introduced in
11117 the dataflow rewrite.
11119 2006-01-19 DJ Delorie <dj@redhat.com>
11121 * reload1.c (find_reload_regs): Note the details of reload
11122 failures in the dump file.
11123 (spill_failure): Likewise.
11125 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11127 * loop-iv.c: Include df.h and hashtab.h.
11128 (enum iv_grd_result): New enum.
11129 (DF_REF_IV, DF_REF_IV_SET): New macros.
11130 (struct biv_entry): New.
11131 (df, bivs): New global variables.
11132 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11133 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11135 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11136 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11137 analyzed_for_bivness_p, record_biv): New functions.
11138 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11139 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11140 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11142 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11144 (iv_number_of_iterations): Use new interface to iv analysis.
11145 * loop-unroll.c: Do not include varray.h.
11146 (analyze_iv_to_split_insn): Use new interface to iv
11148 * loop-unswitch.c (may_unswitch_on): Ditto.
11149 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11151 (df_bb_modify): Realloc tables to the new index.
11152 (df_find_use): New function.
11153 * df.h (df_find_use): Declare.
11154 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11156 * cfgloop.h (struct rtx_iv): Remove analysed field.
11157 (iv_get_reaching_def): Removed.
11158 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11159 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11160 (loop-iv.o): Add df.h and hashtab.h dependency.
11161 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11163 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11166 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11168 (__floatundisf, __floatundidf): Likewise.
11169 * libgcc2.h (IS_IBM_EXTENDED): Define.
11171 2006-01-19 DJ Delorie <dj@redhat.com>
11173 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11175 2006-01-19 Paul Brook <paul@codesourcery.com>
11177 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11178 as nothrow when unwinding tables are disabled.
11180 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11183 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11184 of bit-field" when in system header.
11186 2006-01-19 DJ Delorie <dj@redhat.com>
11188 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11189 the 16 bit shift limit of the m16c.
11191 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11194 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11195 * config/i386/i386.c (output_set_got): Output the label if we have one
11196 for the TARGET_DEEP_BRANCH_PREDICTION case.
11198 2006-01-19 Jan Hubicka <jh@suse.cz>
11199 H.J. Lu <hongjiu.lu@intel.com>
11200 Evandro Menezes <evandro.menezes@amd.com>
11202 * invoke.texi (generic): Document
11204 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11205 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11206 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11207 (x86_use_incdec, x86_pad_returns): New variables
11208 (TARGET_CPU_DEFAULT_generic): New constant
11209 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11210 (enum processor_type): Add generic32 and generic64.
11211 * i386.md (cpu attribute): Add generic32/generic64
11212 (movhi splitter): Behave sanely when both partial_reg_dependency and
11213 partial_reg_stall are set.
11214 (K8 splitters): Enable for generic as well.
11215 * predicates.md (incdec_operand): Use TARGET_INCDEC
11216 (aligned_operand): Avoid memory mismatch stalls.
11217 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11218 * ppro.md: Enable for generic32
11219 * i386.c (generic64_cost, generic32_cost): New.
11220 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11221 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11222 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11223 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11224 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11225 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11226 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11227 x86_accumulate_outgoing_args, x86_prologue_using_move,
11228 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11229 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11230 Enable for generic.
11231 (x86_use_incdec, x86_pad_returns): New.
11232 (override_options): Add generic32 and generic64, translate "generic"
11233 to generic32/generic64 and "i686" to "generic32", refuse
11234 "generic32"/"generic64" as arch target.
11235 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11236 (ix86_reorg): Honor PAD_RETURNS.
11238 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11240 * tree-pretty-print.c (dump_generic_node): Handle
11241 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11242 * cgraph.c (cgraph_expand_queue): Rename from
11243 cgraph_analyze_queue. Update all users.
11244 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11245 cgraph_expand_queue.
11246 (cgraph_expand_all_functions): Likewise.
11247 (cgraph_finalize_pending_functions): Remove. Update callers.
11249 * tree.h (OMP_DIRECTIVE_P): Define.
11250 (OMP_PARALLEL_FN): Define.
11251 (OMP_PARALLEL_DATA_ARG): Define.
11252 (OMP_SECTIONS_SECTIONS): Define.
11253 * tree-pass.h (pass_expand_omp): Declare.
11254 * omp-low.c (struct omp_region): Declare.
11255 (struct omp_context): Remove fields 'parallel_type',
11256 'parallel_start_ix' and 'parallel_start_additional_args'.
11258 (struct omp_for_data): Rename from struct expand_omp_for_data.
11259 (omp_regions): New static variable.
11260 (root_omp_region): New static variable.
11261 (find_omp_clause): Make static.
11262 (is_in_combined_parallel_ctx): Remove.
11263 (is_combined_parallel): New.
11264 (extract_omp_for_data): Move earlier in the file.
11265 (workshare_safe_to_combine_p): New.
11266 (get_ws_args_for): New.
11267 (determine_parallel_type): Move earlier in the file.
11268 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11270 (omp_copy_decl): Likewise.
11271 (create_omp_child_function): Likewise.
11272 (lookup_omp_region): New.
11273 (dump_omp_region): New.
11274 (debug_omp_region): New.
11275 (debug_all_omp_regions): New.
11276 (new_omp_region): New.
11277 (scan_omp_parallel): If parallel_nesting_level > 1, the
11278 directive is nested within another parallel directive.
11279 Set OMP_PARALLEL_FN.
11280 (scan_omp_for): Do not try to handle combined parallel+for
11282 Remove FIXME comment.
11283 (scan_omp_nested): Remove.
11284 (scan_omp_1): Do not call scan_omp_nested when
11285 parallel_nesting_level is > 1.
11286 Do not change the DECL_CONTEXT of local variables found.
11287 (lookup_decl_in_outer_ctx): New.
11288 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11289 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11290 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11291 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11292 If CTX is nested, lookup VAR in the outer context when
11293 building copy assignment.
11294 (lower_send_clauses): Rename from expand_send_clauses.
11295 If CTX is nested, lookup VAR in the outer context when
11296 building copy assignments.
11297 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11298 If CTX is nested, lookup VAR in the outer context when
11299 building copy assignments.
11300 (expand_parallel_call): Rename from build_parallel_call.
11301 Handle combined parallel+workshare cases.
11302 Re-implement to emit code into the CFG.
11304 (expand_omp_parallel): Re-implement to emit code into the CFG.
11305 Call move_sese_region_to_fn to outline the sub-graph
11306 containing the parallel region.
11307 (expand_omp_for_1): Remove.
11308 (expand_omp_for_generic): Re-implement to emit code into the
11310 (expand_omp_for_static_nochunk): Likewise.
11311 (expand_omp_for_static_chunk): Likewise.
11312 (expand_omp_for): Likewise.
11313 (expand_omp_sections): Likewise.
11314 (remove_exit_barriers): New.
11315 (expand_omp_synch): New.
11317 (build_omp_regions_1): New.
11318 (build_omp_regions): New.
11319 (execute_expand_omp): New.
11320 (gate_expand_omp): New.
11321 (pass_expand_omp): Define.
11322 (lower_omp_sections): Rename from expand_omp_sections.
11323 Set OMP_SECTIONS_SECTIONS.
11324 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11325 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11326 (lower_omp_single): Rename from expand_omp_simple.
11327 (lower_omp_master): Rename from expand_omp_master.
11328 (lower_omp_ordered): Rename from expand_omp_ordered.
11329 (lower_omp_critical): Rename from expand_omp_critical.
11330 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11331 (lower_omp_for): Re-implement.
11332 (lower_omp_parallel): Re-implement.
11333 (lower_regimplify): Rename from expand_regimplify.
11334 (lower_omp_1): Rename from expand_omp_1.
11335 If there are syntax errors in the program, replace every
11336 OpenMP directive with NOP.
11337 Call lower_omp_* instead of expand_omp_*.
11338 (lower_omp): Rename from expand_omp.
11340 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11341 * tree-gimple.h (enum omp_parallel_type): Remove.
11342 (gimple_boolify): Declare extern.
11343 (find_omp_clause, determine_parallel_type): Remove.
11345 * gimple-low.c (lower_omp_directive): New.
11346 (lower_stmt): Call it.
11347 (record_vars_into): Move from ...
11348 (record_vars): ... here.
11349 Call record_vars_into with current_function_decl.
11351 * gimplify.c (struct gimplify_ctx): Remove fields
11352 combined_pre_p and combined_ctxp. Update users.
11353 (get_formal_tmp_var): Add documentation.
11354 (gimple_boolify): Make extern.
11355 (gimplify_expr_in_ctx): Remove. Update callers.
11356 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11357 will always be a BIND_EXPR.
11358 (gimplify_expr): Handle OMP_RETURN_EXPR.
11359 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11360 (OMP_PARALLEL): Add 3 operands.
11361 (OMP_SECTIONS): Add 1 operand.
11362 (OMP_RETURN_EXPR): Define.
11364 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11365 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11366 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11367 creating a circular free list.
11368 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11370 * tree-flow.h (move_sese_region_to_fn): Declare.
11371 (record_vars_into): Declare.
11372 * tree-cfg.c (make_omp_sections_edges): New.
11373 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11374 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11375 OMP_SECTIONS and OMP_SECTION.
11376 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11377 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11378 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11379 (gather_blocks_in_sese_region): New.
11380 (struct move_stmt_d): Declare.
11381 (move_stmt_r): New.
11382 (move_block_to_fn): New.
11383 (move_sese_region_to_fn): New.
11385 * passes.c (init_optimization_passes): Schedule
11386 pass_expand_omp after pass_init_datastructures.
11388 * tree-ssa-operands.c (get_expr_operands): Handle
11389 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11390 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11392 2006-01-19 Jeff Law <law@redhat.com>
11394 * tree-vrp.c (extract_range_from_assert): Refine the result range
11395 if the variable referenced by the ASSERT_EXPR has a range and
11396 either the tentative result range or the previous range is a
11399 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11401 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11403 2006-01-19 Jan Hubicka <jh@suse.cz>
11405 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11407 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11409 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11410 (expand_compound_operation, expand_field_assignment): Fail if the
11411 bit lengths of an extract operation are out of range.
11412 (make_extraction): Compute wanted_inner_mode based on the position
11413 and length of the extraction. Make it extraction_mode for non-constant
11414 positions, and do not modify offset in that case. When generating a
11415 new MEM, use a mode that can hold the extraction while keeping correct
11416 alignment. Remove code that supported MEMs wrapped by USEs.
11417 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11419 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11421 * config/s390/s390.md ("Y", "y"): New mode attribute.
11422 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11423 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11424 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11425 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11426 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11427 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11428 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11429 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11430 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11431 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11432 "addsi3", "subsi3"): Insn patterns removed.
11433 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11434 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11435 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11436 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11437 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11438 "*sub<mode>3_cconly2"): New insn patterns.
11439 ("addsi3", "subsi3"): New expanders.
11441 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11443 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11444 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11445 existing STMT_VINFO_VECTYPE if available.
11446 (vect_mark_relevant): Add special handling for stmts that are
11447 marked as STMT_VINFO_IN_PATTERN_P.
11448 (vect_analyze_loop): Call vect_pattern_recog.
11449 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11450 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11452 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11453 (vect_recog_func_ptr): New function-pointer type.
11454 * tree-vect-patterns.c: New file.
11455 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11456 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11457 (vect_pattern_recog_1): New functions.
11458 (vect_pattern_recog_funcs): New array of function pointers.
11460 * tree-vectorizer.h (ternary_op): New enum value.
11461 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11462 declaration. Revised documentation. Removed redundant dump prints.
11463 Removed redundant argument. Added support for reduction patterns.
11464 (vectorizable_reduction): Added support for reduction patterns.
11465 (vect_transform_stmt): Added support for patterns.
11467 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11468 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11469 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11470 (expand_widen_pattern_expr): New function.
11471 (init_optabs): Initialize new optabs udot_prod_optab,
11473 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11474 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11475 (expand_widen_pattern_expr): New function declaration.
11476 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11478 * tree-inline.c (estimate_num_insns_1): Added cases for new
11479 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11480 * tree-pretty-print.c (dump_generic_node): Likewise.
11481 (op_prio): Likewise.
11482 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11483 * tree-ssa-operands.c (get_expr_operands): Added case for
11485 * tree-vect-patterns.c (widened_name_p): New function.
11486 (vect_recog_dot_prod_pattern): Added function implementation.
11487 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11488 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11489 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11490 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11492 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11493 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11494 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11495 (init_optabs): Initialize new optabs widen_ssum_optab,
11497 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11498 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11499 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11500 use instead of type of def.
11501 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11502 function implementation.
11503 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11504 widen_ssumv8hi): New.
11506 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11509 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11512 * c-decl.c (add_flexible_array_elts_to_size): New function.
11513 (finish_decl): Use it.
11515 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11517 * diagnostic.h: Include options.h.
11518 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11519 dependancies for diagnostic.h.
11520 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11522 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11524 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11525 (ssa_ro_call_cache_valid): Ditto.
11526 * tree-ssa-alias.c (sort_tags_by_id): New function.
11527 (init_transitive_clobber_worklist): Ditto.
11528 (add_to_worklist): Ditto.
11529 (mark_aliases_call_clobbered): Ditto.
11530 (compute_tag_properties): Ditto.
11531 (set_initial_properties): Ditto.
11532 (compute_call_clobbered): Ditto.
11533 (compute_may_aliases): Call compute_call_clobbered and grouping.
11534 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11535 (compute_flow_insensitive_aliasing): Grouping now happens in our
11537 (setup_pointers_and_addressables): Remove clobbering related code.
11538 (add_may_alias): Ditto.
11539 (replace_may_alias): Ditto.
11540 (get_nmt_for): Ditto.
11541 (create_global_var):
11542 (is_escape_site): Return an escape_type enumeration.
11543 * tree-flow-inline.h (is_call_clobbered): Global var does not
11544 imply call clobbered.
11545 (mark_call_clobbered): Take a reason for marking this. Remove
11546 marking of globalness, and cache invalidation.
11547 (clear_call_clobbered): Remove cache invalidation code.
11548 * tree-dfa.c (dump_variable): If details is on, dump the reason
11550 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11552 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11553 (struct var_ann_d): Ditto.
11554 (enum escape_type): New.
11555 (mark_call_clobbered): Adjust prototype.
11556 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11557 are never call clobbered.
11558 Record reasons for escaping.
11559 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11560 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11561 (ssa_ro_call_cache_valid): Ditto.
11562 (clobbered_v_may_defs): Ditto.
11563 (clobbered_vuses): Ditto.
11564 (ro_call_vuses): Ditto.
11565 (clobber_stats): New.
11566 (init_ssa_operands): Zero out clobber stats.
11567 (fini_ssa_operands): Print out clobber stats.
11568 (get_call_expr_operands): Pass callee fndecl to
11569 add_call_read_ops).
11570 (add_call_clobber_ops): Remove use of cache.
11571 Add use of PURE_CONST information.
11572 (add_call_read_ops): Remove use of cache.
11573 Add use of static not_read information.
11575 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11577 Introduce TLS descriptors for i386 and x86_64.
11578 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11579 (TARGET_ANY_GNU_TLS): New macro.
11580 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11581 (struct machine_function): Add tls_descriptor_call_expanded_p.
11582 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11583 (ix86_current_function_calls_tls_descriptor): Likewise.
11584 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11585 (override_options): Introduce gnu2 tls dialect.
11586 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11588 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11590 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11591 (ix86_init_machine_status): Initialize new field.
11592 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11593 (ix86_tls_module_base): New.
11594 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11595 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11596 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11597 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11598 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11599 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11600 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11601 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11602 * config/i386/predicates.md (tls_modbase_operand): New.
11603 (tp_or_register_operand): New.
11605 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11607 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11608 (look_for_address_of): Ditto.
11609 (ipa_init): Walk the function decls.
11610 (static_execute): Don't set readonly on FUNCTION_DECL's.
11612 2006-01-18 Roger Sayle <roger@eyesopen.com>
11614 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11615 for shifts where the source and destination registers are different.
11617 2006-01-18 Paul Brook <paul@codesourcery.com>
11619 Merge from csl-arm-branch.
11620 2005-03-14 Julian Brown <julian@codesourcery.com>
11621 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11622 (aeabi_llsl): Likewise.
11623 (ashrdi3): Likewise.
11624 (aeabi_lasr): Likewise.
11625 (lshrdi3): Likewise.
11626 (aeabi_llsr): Likewise.
11627 2005-03-10 Julian Brown <julian@codesourcery.com>
11628 * config.gcc: Disable shared libgcc for SymbianOS.
11629 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11631 2006-01-18 DJ Delorie <dj@redhat.com>
11633 * c-pragma.c (handle_pragma_diagnostic): New.
11634 (init_pragma): Register it.
11635 * doc/extend.texi: Document it.
11637 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11638 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11639 (diagnostic_context): Add classify_diagnostic[].
11640 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11641 as errors if they're overridden to DK_WARNING.
11642 (diagnostic_initialize): Initialize classify_diagnostic[].
11643 (diagnostic_set_kind_override): New.
11644 (diagnostic_report_diagnostic): Check for kind changes.
11645 * opts.c (common_handle_option): Take lang_mask. Update callers.
11646 Handle OPT_Werror_.
11647 * common.opt (Werror=): New.
11648 * doc/invoke.texi: Document -Werror=*
11650 2006-01-18 Jeff Law <law@redhat.com>
11652 * tree-vrp.c (test_for_singularity): Correct test for new
11653 min limit. Use operand_equal_p rather than pointer equality
11654 for testing if new min/max values are equal.
11656 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11657 using range information until after propagation and folding.
11659 2006-01-18 Richard Henderson <rth@redhat.com>
11660 Aldy Hernandez <aldyh@redhat.com>
11661 Jakub Jelinek <jakub@redhat.com>
11662 Diego Novillo <dnovillo@redhat.com>
11664 * omp-low.c: New file.
11665 * c-omp.c: New file.
11667 2006-01-18 Richard Henderson <rth@redhat.com>
11668 Jakub Jelinek <jakub@redhat.com>
11669 Diego Novillo <dnovillo@redhat.com>
11671 * doc/invoke.texi: Document -fopenmp.
11672 * tree-dump.h (debug_function): Declare.
11673 * hooks.c (hook_bool_tree_bool_false): New function.
11674 (hook_tree_tree_null): Remove.
11675 (hook_tree_tree_tree_null): New.
11676 * hooks.h: Update to match.
11677 * tree-pretty-print.c (debug_tree_chain): New.
11678 (print_generic_expr): Handle TDF_CHAIN.
11679 (dump_generic_node): Handle BLOCK.
11680 Do not abort with incomplete SWITCH_EXPRs.
11681 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11682 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11683 print space after directive name.
11684 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11685 Handle OMP_MASTER and OMP_ORDERED.
11686 Handle printing of OMP_BODY just in one place, goto
11687 dump_omp_body in the rest of OMP_* nodes that have
11689 Don't handle clause nodes here. Update omp statements to
11690 use dump_omp_clauses.
11691 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11692 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11693 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11694 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11695 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11696 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11697 Adjust output for GOMP_PARALLEL.
11698 (dump_omp_clauses): New.
11699 (print_declaration): Dump DECL_VALUE_EXPR.
11700 (op_symbol_1): Split out of op_symbol.
11701 (dumping_stmts): Remove. Update all users.
11702 * cgraph.c (cgraph_analyze_queue): New.
11703 (cgraph_add_new_function): New.
11704 * cgraph.h (cgraph_analyze_queue): Declare.
11705 (cgraph_add_new_function): Declare.
11706 (cgraph_lower_function): Remove.
11707 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11708 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11709 and TYPE_P nodes in its default clause.
11710 (empty_body_p): New.
11711 (tree_range_check_failed): New.
11712 (build5_stat): New.
11713 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11714 OMP_CLAUSE_REDUCTION_MERGE,
11715 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11716 OMP_CLAUSE_PRIVATE_DEBUG,
11717 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11718 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11719 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11720 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11721 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11722 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11723 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11724 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11725 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11726 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11727 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11728 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11729 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11730 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11731 (TREE_RANGE_CHECK): New.
11732 (empty_body_p): Declare.
11733 (enum omp_clause_default_kind): New.
11734 (build_string_literal): Declare.
11735 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11736 (build5_stat, build5): Declare.
11737 * tree-pass.h (TDF_CHAIN): Define.
11738 * tree-pass.h (PROP_gimple_lomp): Define.
11739 (pass_lower_omp): Declare.
11740 * diagnostic.h (debug_tree_chain): Declare.
11741 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11743 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11744 * builtins.c (build_string_literal): Make extern.
11745 * gcc.c (include_spec_function): New.
11746 (static_spec_functions): Add it.
11747 (main): Move load of libgomp.spec ...
11748 (LINK_COMMAND_SPEC): ... here.
11749 (link_gomp_spec): New.
11750 (static_specs): Include it.
11751 (LINK_COMMAND_SPEC): Add link_gomp.
11752 (GOMP_SELF_SPECS): New.
11753 (driver_self_specs): Include it.
11754 (switch_matches): Don't mark inline.
11755 (main): Load libgomp.spec.
11756 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11757 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11758 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11759 * tree-gimple.h (enum omp_parallel): Declare.
11760 (determine_parallel_type): Declare.
11761 (omp_firstprivatize_variable): Declare.
11762 (omp_reduction_init): Declare.
11763 (diagnose_omp_structured_block_errors): Declare.
11764 (struct walk_stmt_info): Add want_return_expr.
11765 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11766 (find_omp_clause): Declare.
11767 (insert_field_into_struct): Declare.
11768 (struct walk_stmt_info): Move from tree-nested.c
11769 (walk_stmts): Declare.
11770 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11772 * cgraphunit.c (cgraph_lower_function): Make static.
11773 (cgraph_finalize_pending_functions): New.
11774 (cgraph_finalize_function): Call it.
11775 (cgraph_finalize_compilation_unit): Likewise.
11776 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11777 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11778 (BT_FN_UINT_UINT): New.
11779 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11780 DEF_FUNCTION_TYPE_VAR_4): Document.
11781 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11782 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11783 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11784 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11785 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11786 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11787 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11788 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11789 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11790 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11791 into separate files.
11792 (DEF_GOMP_BUILTIN): New.
11793 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11794 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11795 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11796 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11797 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11798 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11799 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11800 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11801 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11802 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11803 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11804 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11805 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11806 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11807 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11808 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11809 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11810 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11811 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11812 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11813 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11814 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11815 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11816 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11817 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11818 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11819 * sync-builtins.def: New file, moved from builtins.def.
11820 * omp-builtins.def: New file, moved from builtins.def.
11821 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11822 * gimple-low.c (lower_function_body): Clear data.
11823 (lower_stmt): Do not handle COMPOUND_EXPR.
11824 Remove call to print_node_brief.
11825 * c-tree.h (c_finish_omp_clauses): New prototype.
11826 (C_DECL_THREADPRIVATE_P): Define.
11827 (lookup_name_no_remap, c_omp_remap_private): Remove
11828 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11829 (check_for_loop_decls): Update decl.
11830 (lookup_name_no_remap, c_omp_remap_private): Declare.
11831 (build_indirect_ref, build_modify_expr, pushdecl,
11832 pushdecl_top_level): Move to c-common.h.
11833 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11834 before the switch, but just in the 2 places that need it.
11835 * c-decl.c (diagnose_mismatched_decls): Do not check for
11836 mismatched thread-local attributes when OLDDECL is marked
11837 threadprivate and NEWDECL has no thread-local attributes.
11838 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11839 (c_gimple_diagnostics_recursively): Rename from
11840 c_warn_unused_result_recursively. Invoke
11841 diagnose_omp_structured_block_errors.
11842 (check_for_loop_decls): Return a singular decl found.
11843 * langhooks.c (lhd_omp_predetermined_sharing): Return
11844 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11845 (lhd_omp_firstprivatize_type_sizes): New.
11846 (lhd_omp_assignment): New.
11847 (lhd_omp_predetermined_sharing): New.
11848 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11849 (struct lang_hooks_for_types): Add
11850 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11851 omp_predetermined_sharing, omp_disregard_value_expr,
11852 omp_private_debug_clause, omp_clause_default_ctor,
11853 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11854 (c_finish_omp_clauses): New.
11855 (c_finish_bc_stmt): Diagnose break within omp for.
11856 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11857 (build_unary_op): Return error_mark after reporting
11859 (build_modify_expr): Likewise.
11860 * gimplify.c: Include optabs.h and pointer-set.h.
11861 (enum gimplify_omp_var_data): Declare.
11862 (struct gimplify_omp_ctx): Declare.
11863 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11865 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11866 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11867 (splay_tree_compare_decl_uid): New.
11868 (new_omp_context): New.
11869 (delete_omp_context): New.
11870 (gimple_add_tmp_var): Call omp_add_variable.
11871 (gimplify_bind_expr): Likewise.
11872 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11873 true, disregard DECL_VALUE_EXPR on the decl if any.
11874 (gimplify_expr_in_ctx): New.
11875 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11876 omp_add_variable, omp_notice_variable, omp_is_private
11877 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11878 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11879 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11880 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11881 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11882 gimplify_omp_atomic): New.
11883 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11884 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11885 OMP_CRITICAL and OMP_ATOMIC.
11886 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11887 * c-pragma.h (enum pragma_kind): Add
11888 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11889 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11890 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11891 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11892 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11893 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11894 PRAGMA_OMP_THREADPRIVATE.
11895 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11896 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11897 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11898 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11899 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11900 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11901 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11902 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11903 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11904 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11905 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11906 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11907 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11909 (struct nesting_info): Add field_map,
11910 suppress_expansion, debug_var_chain.
11911 (create_nesting_tree): Initialize them.
11912 (lookup_field_for_decl): Use field_map.
11913 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11914 (convert_local_omp_clauses): New.
11915 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11916 (walk_body): Split out of walk_function.
11917 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11918 (convert_nonlocal_reference): Handle omp statements.
11919 (convert_local_reference): Likewise.
11920 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11921 (unnest_nesting_tree): New.
11922 (lower_nested_functions): Call it.
11923 (insert_field_into_struct): Make extern.
11924 (struct walk_stmt_info): Move to tree-gimple.h.
11925 (walk_stmts): Make extern.
11926 * omp-builtins.def: New file.
11927 * tree-iterator.c (expr_only): Clarify comment.
11928 * c-common.h (pushdecl_top_level, pushdecl,
11929 build_modify_expr, build_indirect_ref,
11930 c_finish_omp_master, c_finish_omp_critical,
11931 c_finish_omp_ordered, c_finish_omp_barrier,
11932 c_finish_omp_atomic, c_finish_omp_flush,
11933 c_finish_omp_for, c_split_parallel_clauses,
11934 omp_clause_default_kind, c_omp_sharing_predetermined,
11935 c_omp_remap_decl): Declare.
11936 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11937 (OBJS-common): Add omp-low.o.
11938 (c-omp.o, omp-low.o): Add.
11939 (gimplify.o): Add dependency on $(OPTABS_H).
11940 (GTFILES): Add omp-low.c.
11941 (gt-stringpool.h): Add.
11942 * tree-cfg.c (set_bb_for_stmt): Do not update the
11943 block-to-labels map if we are currently expanding to RTL.
11944 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11946 Handle IDENTIFIER_NODE.
11947 (tree_verify_flow_info): Do not ICE when emitting error
11948 messages about invalid labels.
11949 (dump_function_to_file): Reset CFUN before emitting the body
11951 (debug_function): New.
11952 * passes.c (init_optimization_passes): Schedule
11954 * langhooks-def.h (lhd_omp_predetermined_sharing,
11955 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11957 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11958 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11959 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11960 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11961 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11962 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11963 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11964 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11965 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11966 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11967 (LANG_HOOK_DECLS): Use them.
11969 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11970 Richard Henderson <rth@redhat.com>
11971 Jakub Jelinek <jakub@redhat.com>
11972 Diego Novillo <dnovillo@redhat.com>
11974 * c-parser.c (pragma_omp_clause): Define.
11975 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11976 (c_parser_compound_statement): Likewise.
11977 (c_parser_statement): Likewise.
11978 (c_parser_pragma): Handle omp pragmas.
11979 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11980 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11981 (c_parser_omp_clause_name, check_no_duplicate_clause,
11982 c_parser_omp_variable_list,
11983 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11984 c_parser_omp_clause_copyprivate,
11985 c_parser_omp_clause_default,
11986 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11987 c_parser_omp_clause_lastprivate,
11988 c_parser_omp_clause_nowait,
11989 c_parser_omp_clause_num_threads,
11990 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11991 c_parser_omp_clause_reduction,
11992 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11993 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11994 c_parser_omp_atomic, c_parser_omp_barrier,
11995 c_parser_omp_critical, c_parser_omp_flush,
11996 c_parser_omp_for_loop, c_parser_omp_for,
11997 c_parser_omp_master, c_parser_omp_ordered,
11998 c_parser_omp_sections_scope, c_parser_omp_sections,
11999 c_parser_omp_parallel, c_parser_omp_single,
12000 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12001 * c-pragma.c (init_pragma): Do omp pragma registration here.
12002 * c.opt (fopenmp): New flag.
12004 2006-01-18 Eric Christopher <echristo@apple.com>
12006 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12007 * config/darwin.h (GOMP_SELF_SPECS): Define.
12009 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12011 * rtl.h: Remove the prototype for reg_alloc.
12013 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12016 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12017 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12018 sjlj and dwarf2 exception handling.
12019 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12020 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12021 * pa/pa.c (function_value): Treat complex and vector types as
12023 (function_arg): Likewise. Only pass scalar floats in the floating
12024 point argument registers.
12025 * pa/t-slibgcc-dwarf-ver: New file.
12026 * pa/t-slibgcc-sjlj-ver: New file.
12027 * pa/t-slibgcc-elf-ver: Delete file.
12029 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12031 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12032 unlikely_test_section_p test.
12034 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12036 * mode-switching.c (optimize_mode_switching): Make it static.
12037 * basic-block.h: Remove the prototype for
12038 optimize_mode_switching.
12040 * modulo-sched.c (sms_schedule): Make it static.
12041 * rtl.h: Remove the prototype for sms_schedule.
12043 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12044 * rtl.h: Remove the prototype for gcse_after_reload_main.
12046 * reg-stack.c (reg_to_stack): Make it static.
12047 * rtl.h: Remove the prototype for reg_to_stack.
12049 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12051 * rtl.h: Remove the prototypes for regrename_optimize and
12052 copyprop_hardreg_forward.
12054 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12056 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12057 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12058 Test against the appropriate null constant for the mode.
12059 If 'fixup_overlap' is true, swap the operands if they overlap.
12060 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12061 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12062 alpha_split_tmode_pair and adjust for above change.
12063 * config/alpha/alpha.md (movtf_internal): Adjust call to
12064 alpha_split_tfmode_pair and rely on it to swap the operands.
12065 (movti_internal): New insn and post-reload splitter.
12066 (movti): New expander.
12068 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12070 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12073 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12075 * rtlanal.c (global_reg_mentioned_p_1,
12076 global_reg_mentioned_p): Remove.
12077 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12079 * flow.c (initialize_uninitialized_subregs): Make it static.
12080 * rtl.h: Remove the prototype for
12081 initialize_uninitialized_subregs.
12083 * function.c (instantiate_virtual_regs): Make it static.
12084 * function.h: Remove the prototype for
12085 instantiate_virtual_regs.
12087 * regmove.c (regmove_optimize, combine_stack_adjustments):
12089 * rtl.h: Remove the prototypes for regmove_optimize and
12090 combine_stack_adjustments.
12092 2006-01-17 Roger Sayle <roger@eyesopen.com>
12094 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12095 (size_cost): Encode costs in bytes so that a reg-reg addition is
12096 equivalent to COSTS_N_INSNS(1).
12097 (override_options): Use the size_cost.branch_cost as the default
12098 ix86_branch_cost when optimizing for size.
12100 2006-01-18 Ben Elliston <bje@au.ibm.com>
12102 * Makefile.in (D32PBIT_FUNCS): New.
12103 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12104 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12105 D64PBIT_FUNCS and D128PBIT_FUNCS.
12106 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12107 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12109 (decnumber_dep): Define.
12110 * doc/libgcc.texi (Decimal float library routines): New node.
12111 * config/dfp-bit.h, config/dfp-bit.c: New files.
12113 2006-01-18 Ben Elliston <bje@au.ibm.com>
12115 * expr.c (emit_move_change_mode): Always adjust addresses, not
12116 just during reload. Copy replacements only during reload.
12117 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12118 emit_move_via_integer.
12120 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12122 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12123 instead of $(srcdir) and ${srcdir}.
12125 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12128 PR middle-end/11135
12129 * arm.h (struct machine_function): Add pic_reg.
12130 * arm.c (arm_pic_register): Make unsigned.
12131 (arm_override_options): Only set arm_pic_register if
12132 TARGET_SINGLE_PIC_BASE.
12133 (use_return_insn): Only test for a pic register if it is fixed.
12134 (arm_compute_save_reg0_reg12_mask): Likewise.
12135 (thumb_compute_save_reg_mask): Likewise.
12136 (legitimate_pic_operand): Factor out some known invariants.
12137 (legitimize_pic_address): If we don't have a fixed pic register,
12138 then set up a pseudo in the function entry sequence. Handle the
12139 pic base being in a pseudo.
12140 (arm_load_pic_register): Handle the pic register being in a pseudo.
12141 (arm_expand_prologue): Only set up the pic register if it is fixed.
12142 (thumb_expand_prologue): Likewise.
12143 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12144 (pic_load_addr_based_insn): Likewise.
12145 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12148 2006-01-18 Ben Elliston <bje@au.ibm.com>
12150 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12151 decimal float modes for all floating point registers.
12153 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12154 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12156 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12159 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12160 even when the pointer is not NULL.
12162 2006-01-16 Ian Lance Taylor <ian@airs.com>
12164 * common.opt (ftoplevel-reorder): New option.
12165 * cgraph.c (cgraph_asm_nodes): New global variable.
12166 (cgraph_asm_last_node): New static variable.
12167 (cgraph_order): New global variable.
12168 (cgraph_create_node): Set new order field.
12169 (cgraph_varpool_node): Likewise.
12170 (decide_is_variable_needed): Return true if not
12171 flag_toplevel_reorder.
12172 (cgraph_add_asm_node): New function.
12173 * cgraph.h (struct cgraph_node): Add order field.
12174 (struct cgraph_varpool_node): Add order field.
12175 (struct cgraph_asm_node): Define.
12176 (cgraph_asm_nodes, cgraph_order): Declare.
12177 (cgraph_add_asm_node): Declare.
12178 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12180 (cgraph_varpool_assemble_pending_decls): Call it.
12181 (cgraph_output_pending_asms): New static function.
12182 (cgraph_finalize_compilation_unit): Call it.
12183 (struct cgraph_order_sort): Define.
12184 (cgraph_output_in_order): New static function.
12185 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12186 !flag_toplevel_reorder case.
12187 * c-parser.c: Include "cgraph.h".
12188 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12190 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12191 than -fno-unit-at-a-time.
12192 * doc/invoke.texi (Option Summary): Mention
12193 -fno-toplevel-reorder.
12194 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12195 -funit-at-a-time documentation.
12197 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12198 Kazu Hirata <kazu@codesourcery.com>
12200 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12202 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12204 * Makefile.in (FUNCTION_H): New. Use it instead of
12205 function.h throughout the file.
12206 * function.h: Include tree.h.
12208 2006-01-17 Ben Elliston <bje@au.ibm.com>
12210 * recog.c: Separate some functions with whitespace.
12212 2006-01-16 Richard Henderson <rth@redhat.com>
12214 Merge from gomp branch:
12215 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12216 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12217 and rename from struct inline_data. Rename callee* to dst*;
12218 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12219 transform_new_cfg, transform_return_to_modify, and
12220 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12222 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12223 (copy_decl_for_dup): Remove.
12224 * tree-inline.c (struct inline_data): Move to header.
12225 (insert_decl_map): Export.
12226 (remap_decl): Update for member name changes. Use copy_decl hook.
12227 Allow for replacement to be a non-decl. Remove dead code.
12228 (remap_type_1): Check for existing mapping.
12229 (remap_type): Export.
12230 (remap_decls): Update for member name changes.
12231 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12232 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12233 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12234 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12235 (tree_function_versioning, build_duplicate_type): Likewise.
12236 (copy_body_r): Likewise. Export.
12237 (copy_decl_for_dup): Split into ...
12238 (copy_decl_for_dup_finish, copy_decl_to_var,
12239 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12240 (replace_ref_tree, inlining_p): Remove.
12242 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12244 * ifcvt.c (if_convert): Make it static.
12245 * rtl.h: Remove the prototype for if_convert.
12247 * local-alloc.c (local_alloc): Make it static.
12248 * rtl.h: Remove the prototype for local_alloc.
12250 * loop.c (loop_optimize): Make it static.
12251 * cfgloop.h: Remove the prototype for loop_optimize.
12254 2006-01-16 DJ Delorie <dj@redhat.com>
12256 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12259 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12261 * pa.md: Disparage copies between general and floating-point registers
12262 in 32-bit move patterns.
12264 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12267 * Makefile.in (check-%): Depend on site.exp instead of
12268 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12271 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12273 * global.c (global_alloc): Make it static.
12274 * rtl.h: Remove the prototype for global_alloc.
12276 2006-01-16 Richard Guenther <rguenther@suse.de>
12278 * tree-ssa-alias.c (struct used_part): Add write_only field.
12279 (get_or_create_used_part_for): Initialize it to true.
12280 (create_overlap_variables_for): Don't create structure variables
12281 for structures that only are written to.
12282 (find_used_portions): Handle MODIFY_EXPR to track whether a
12283 structure is only written to.
12285 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12287 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12289 * basic-block.h: Remove the prototype for
12290 partition_hot_cold_basic_blocks.
12292 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12294 * cppspec.c (lang_specific_spec_functions): Remove.
12295 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12296 * gcc.h (lang_specific_spec_functions): Remove.
12297 * gccspec.c (lang_specific_spec_functions): Remove.
12299 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12301 * combine.c (record_value_for_reg): Invalidate registers
12303 (record_dead_and_set_regs_1): Likewise, by passing them to
12304 record_value_for_reg.
12305 (record_dead_and_set_regs): Invalidate stores made by a
12306 call. We do not combine across a call, but we still
12307 relied on equivalences.
12309 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12311 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12312 vrp_int_const_binop returning non-constant nodes.
12314 2006-01-16 Paul Brook <paul@codesourcery.com>
12316 * config/m68k/m68k.c (output_move_const_into_data_reg):
12317 Output correct mnemonic for mvz and mvs.
12319 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12321 * rtl-factoring.c: Add sequence abstraction algorithm.
12322 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12323 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12325 (block_has_preserve_label): New function.
12326 * common.opt: Register new pass.
12327 * Makefile.in: Ditto.
12329 * timevar.def: Ditto.
12330 * tree-pass.h: Ditto.
12331 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12332 * rtl.h (make_jump_insn_raw): Add forward decl.
12333 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12335 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12336 Roger Sayle <roger@eyesopen.com>
12338 * fold-const.c (fold_minmax): New static function.
12339 (fold_binary) <MIN_EXPR>: Call it.
12340 <MAX_EXPR>: Likewise.
12341 * stor-layout.c (place_field): Use DECL_SIZE consistently
12342 in the computation of the new record size.
12344 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12346 * cse.c (cse_condition_code_reg): Make it static.
12347 * rtl.h: Remove the prototype for cse_condition_code_reg.
12349 * combine.c (combine_instructions): Make it static.
12350 * rtl.h: Remove the prototype for combine_instructions.
12352 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12355 * tree.c (get_file_function_name_long): Concatenate the first global
12356 object name with a string derived from the input filename of the object
12359 2006-01-16 Ben Elliston <bje@au.ibm.com>
12361 * config/i386/winnt-stubs.c: Update FSF address.
12362 * config/xtensa/ieee754-df.S: Ditto.
12363 * config/xtensa/ieee754-sf.S: Ditto.
12365 2006-01-14 Ian Lance Taylor <ian@airs.com>
12367 * ifcvt.c (noce_init_if_info): New static function, broken out of
12368 noce_process_if_block.
12369 (noce_process_if_block): Call noce_init_if_info.
12370 (check_cond_move_block): New static function.
12371 (cond_move_process_if_block): New static function.
12372 (process_if_block): Call cond_move_process_if_block.
12374 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12376 * cselib.c (hash_table): Rename to cselib_hash_table.
12377 (cselib_clear_table, discard_useless_values,
12378 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12379 cselib_init, cselib_finish): Adjust uses of hash_table.
12381 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12383 PR tree-optimization/25485
12384 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12385 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12386 is known to be false and true, respectively.
12388 2006-01-14 Richard Guenther <rguenther@suse.de>
12390 PR tree-optimization/22548
12391 PR tree-optimization/22555
12392 PR tree-optimization/22501
12393 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12394 * params.def (salias-max-array-elements): New parameter.
12395 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12396 * doc/invoke.texi (salias-max-array-elements): Document.
12397 * tree-flow-inline.h (var_can_have_subvars): We also handle
12399 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12401 * tree-ssa-structalias.c (params.h): Include.
12402 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12403 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12404 (get_constraint_for): For ADDR_EXPR operating on something
12405 containing an ARRAY_REF, add all subvars to the solution.
12406 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12407 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12408 for creating MUST_DEFs.
12409 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12411 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12413 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12415 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12416 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12417 number_of_iterations_le): New functions.
12418 (number_of_iterations_special): Removed.
12419 (number_of_iterations_exit): Do not use number_of_iterations_special.
12420 * tree.c (unsigned_type_for): Always return integer type.
12422 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12423 Richard Guenther <rguenther@suse.de>
12425 PR rtl-optimization/24257
12426 * gcse.c (find_moveable_store): Only consider a store movable
12427 when the SET_SRC of the insn can be assigned to a register.
12429 2006-01-14 Ian Lance Taylor <ian@airs.com>
12431 * tree.c (tree_not_class_check_failed): New function.
12432 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12433 (tree_not_class_check_failed): Declare.
12435 2006-01-13 Ian Lance Taylor <ian@airs.com>
12437 * reload1.c (do_output_reload): Add assertion rejecting a
12440 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12442 * combine.c (struct reg_stat): Add new fields truncation_label and
12444 (record_value_for_reg): Reset truncated_to_mode.
12445 (record_truncated_value): New function.
12446 (check_promoted_subreg): Call it. Rename to check_conversions.
12447 (combine_instructions): Rename check_promoted_subreg to
12449 (reg_truncated_to_mode): New function.
12450 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12451 (gen_lowpart_or_truncate): New function.
12452 (force_to_mode): Use it instead of gen_lowpart.
12454 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12456 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12457 VAR is a tag, not its type tag.
12459 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12461 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12462 alternatives to match style of other entries.
12463 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12465 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12467 PR tree-optimization/25771
12468 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12471 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12474 * tree-inline.c (declare_return_variable): If the return variable
12475 was marked as a non gimple complex, set the return slot variable
12476 to be a non gimple comple variable.
12478 2006-01-13 Richard Guenther <rguenther@suse.de>
12480 * builtins.c (expand_builtin_sincos): New function.
12481 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12483 (expand_builtin): Expand sincos using expand_builtin_sincos.
12485 2006-01-12 DJ Delorie <dj@redhat.com>
12487 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12488 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12489 so that constant shifts can be split.
12490 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12491 (m32c_valid_pointer_mode): Make static.
12492 (shift_gen_func_for): New.
12493 (m32c_prepare_shift): Use it. Split large const shifts into
12495 * config/m32c/predicates.md (shiftcount_operand): Allow more
12497 (longshiftcount_operand): New.
12498 * doc/md.texi (Machine Constraints): Document In6.
12500 2006-01-13 Ben Elliston <bje@au.ibm.com>
12502 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12503 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12506 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12508 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12509 to try to avoid clobbering pieces of structures when we know
12510 something about the whole structure.
12511 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12513 2006-01-13 Ben Elliston <bje@au.ibm.com>
12515 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12516 return in memory, as this is no limitation is no longer present.
12518 2006-01-12 DJ Delorie <dj@redhat.com>
12520 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12521 mova with fb, and for fb+0 -> An.
12523 * config/m32c/mov.md (peephole2): Fix enabling logic.
12525 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12526 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12527 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12528 FINI_ARRAY_SECTION_ASM_OP): Define.
12530 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12532 (m32c_legitimize_reload_address): New logic to reload FB to An.
12533 (m32c_output_reg_push): Add newline.
12534 (m32c_output_reg_pop): Likewise.
12536 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12538 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12540 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12542 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12544 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12546 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12549 2006-01-11 Ben Elliston <bje@au.ibm.com>
12551 * rtlanal.c (find_reg_note): Assert insn is not null.
12553 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12555 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12558 2006-01-11 Jeff Law <law@redhat.com>
12560 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12562 (mark_threaded_blocks, register_jump_thread): New functions.
12563 (thread_through_all_blocks): Remove unwanted argument. No
12564 longer rely on e->aux to communicate thread target info.
12565 Call mark_threaded_blocks. Release the threaded_blocks
12566 bitmap and threaded_edges vector when complete.
12567 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12568 (threaded_blocks): Remove.
12569 (tree_ssa_dominator_optimize): Remove initialization and
12570 finalization of threaded_blocks. Simplify call to
12571 thread_through_all_blocks.
12572 (thread_across_edge): Call register_jump_thread rather than
12573 storing thread information into e->aux.
12574 (free_all_edge_infos): Simplify now that e->aux is no longer
12575 used to communicate with thread_through_all_blocks.
12576 * tree-flow.h (thread_through_all_blocks): Update prototype.
12577 (register_jump_thread): Prototype.
12579 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12581 * df-core.c (df_compact_blocks, df_bb_replace): Use
12582 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12584 2006-01-11 Richard Guenther <rguenther@suse.de>
12586 PR tree-optimization/25734
12587 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12588 stop propagation after successful propagation to the LHS.
12590 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12592 * basic-block.h (control_flow_graph): Change the type of
12593 x_basic_block_info to VEC(basic_block,gc) *.
12594 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12596 (SET_BASIC_BLOCK): New.
12597 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12598 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12599 * cfgbuild.c (find_basic_blocks): Likewise.
12600 * cfglayout.c (fixup_reorder_chain): Likewise.
12601 * cfgrtl.c (create_basic_block_structure,
12602 rtl_create_basic_block): Likewise.
12603 * ifcvt.c (find_if_case_1): Likewise.
12604 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12607 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12609 * Makefile.in: Removed rotted odf.c entry.
12611 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12614 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12615 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12616 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12617 output pattern modifier, not %e.
12618 * config/cris/cris.c (cris_op_str): Update comment about pattern
12620 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12621 before falling through into...
12622 <case 'E'>: Redefined from old 'e' case.
12624 2006-01-11 Jan Hubicka <jh@suse.cz>
12627 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12629 2006-01-11 Jan Hubicka <jh@suse.cz>
12631 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12632 * i386.c (x86_decompose_lea): Kill.
12633 (ix86_rtx_costs): Kill.
12635 2006-01-11 Jan Hubicka <jh@suse.cz>
12637 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12638 * cgraph.h (cgraph_node): Add inline_decl.
12639 (cgraph_insert_node_to_hashtable): Declare.
12640 (save_inline_function_body): Declare.
12641 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12643 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12644 (cgraph_function_versioning): Update call of tree_function_versioning.
12645 (save_inline_function_body): New function.
12646 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12647 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12648 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12649 (cgraph_default_inline_p): Likewise.
12650 (cgraph_decide_inlining_incrementally): Likewise.
12651 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12652 (copy_bb): Kill saving; do updating of clones.
12653 (copy_cfg_body): Kill saving.
12654 (initialize_inlined-parameters): Likewise.
12655 (expand_call_inline): Likewise.
12657 (tree_function_versioning): New parameter "update_clones".
12658 (inlining_p): Kill saving.
12659 * tree-inline.h (tree_function_versioning): Update prototype.
12660 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12663 2006-01-11 Ian Lance Taylor <ian@airs.com>
12665 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12666 Allow undoing set of machine mode.
12667 (do_SUBST): Use enums instead of is_int.
12668 (do_SUBST_MODE): New function.
12669 (SUBST_MODE): New macro.
12670 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12671 reg and trying to replace reg_regno_rtx with a new register.
12672 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12673 (simplify_set): Use SUBST_MODE.
12674 (distribute_notes): Remove code that tried to update reg notes
12675 for regno_reg_rtx changes.
12677 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12679 PR tree-optimization/23109
12680 PR tree-optimization/23948
12681 PR tree-optimization/24123
12683 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12684 * tree-cfg.c (single_noncomplex_succ): New.
12685 * tree-flow.h (single_noncomplex_succ): Declare it.
12686 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12687 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12688 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12689 insert_bb, register_division_in, insert_reciprocals,
12690 replace_reciprocal, free_bb): New.
12691 (execute_cse_reciprocals_1): Rewritten.
12692 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12693 Do not commit any edge insertion. Always compute dominators and
12694 create the allocation pool.
12695 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12696 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12697 * targhooks.c (default_min_divistions_for_recip_mul): New.
12698 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12699 * passes.c (init_optimization_passes): Run recip after tree loop
12701 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12703 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12704 Kenneth Zadeck <zadeck@naturalbridge.com>
12706 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12707 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12708 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12709 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12710 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12711 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12712 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12713 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12714 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12715 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12716 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12717 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12718 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12719 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12720 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12721 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12722 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12723 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12724 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12725 DF_SCAN_POST_ALLOC): New macros.
12726 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12727 df_free_bb_function, df_local_compute_function, df_init_function,
12728 df_dataflow_function, df_confluence_function_0,
12729 df_confluence_function_n, df_transfer_function,
12730 df_finalizer_function, df_free_function, df_dump_problem_function,
12731 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12732 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12733 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12734 df_urec_bb_info, ) New types.
12735 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12737 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12738 df_analyze_simple_change_some_blocks,
12739 df_analyze_simple_change_one_block, df_compact_blocks,
12740 df_bb_replace, df_bb_regno_last_use_find,
12741 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12742 df_insn_regno_def_p, df_find_def, df_find_use,
12743 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12744 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12745 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12746 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12747 debug_df_chain, df_get_dependent_problem, df_chain_create,
12748 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12749 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12750 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12751 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12752 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12753 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12754 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12755 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12756 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12757 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12758 df_reorganize_refs, df_set_state, df_hard_reg_init,
12759 df_read_modify_subreg_p) New public functions.
12760 * df-core.c: The core dataflow solver and glue routines for rtl
12762 (df_init, df_add_problem, df_set_blocks, df_finish,
12763 df_hybrid_search_forward, df_hybrid_search_backward,
12764 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12765 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12766 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12767 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12768 df_reg_defined, df_find_use, df_reg_used, df_dump,
12769 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12770 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12771 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12772 debug_df_useno, reset_df_after_reload): New functions.
12773 * df-scan.c: The scanning fuctions, once in df.c, completely
12774 rewritten so that they now fully model the functionality of
12775 register usage at the backend.
12776 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12777 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12778 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12779 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12780 df_get_artificial_defs, df_get_artificial_uses,
12781 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12782 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12783 df_refs_delete, df_reorganize_refs, df_set_state,
12784 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12785 df_def_record_1, df_defs_record, df_uses_record,
12786 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12787 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12788 df_record_exit_block_uses, df_hard_reg_init): New functions.
12790 * df-problems.c: Seven concrete dataflow problems that use the
12791 scanning in df-scan.c and are solved by the engine in df-core.c.
12792 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12793 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12794 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12795 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12796 df_ru_free_bb_info, df_ru_alloc,
12797 df_ru_bb_local_compute_process_def,
12798 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12799 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12800 df_ru_transfer_function, df_ru_free, df_ru_dump,
12801 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12802 df_rd_free_bb_info, df_rd_alloc,
12803 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12804 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12805 df_rd_transfer_function, df_rd_free, df_rd_dump,
12806 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12807 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12808 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12809 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12810 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12811 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12812 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12813 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12814 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12815 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12816 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12817 df_urec_mark_reg_use_for_earlyclobber,
12818 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12819 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12820 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12821 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12822 df_chain_create_bb_process_use, df_chain_create_bb,
12823 df_chain_finalize, df_chain_free, df_chains_dump,
12824 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12825 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12826 df_reg_lifetime): New functions.
12827 * df.c: Deleted file.
12828 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12829 consistent with new df api.
12830 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12831 rest_of_handle_sms): Ditto.
12832 * web.c (unionfind_union, union_defs, entry_register, web_main):
12834 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12835 invariant_expr_equal_p, find_defs, check_dependencies,
12836 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12837 free_inv_motion_data, move_loop_invariants): Ditto.
12838 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12839 Update dependencies.
12840 (odf.c): Added defective entry that was deleted later in day.
12841 * sched-deps.c (sched_analyze_1): Ditto.
12843 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12845 * tree-ssa-operands.c (get_expr_operands): Record addressable
12846 variables directly. Do not call add_stmt_operands for CONST_DECLs
12848 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12849 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12851 2006-01-11 Ben Elliston <bje@au.ibm.com>
12853 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12854 function returns true in the positive case.
12856 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12859 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12860 for SI, DI, SF and DF modes. Add alternatives to copy between
12861 general and floating point registers to the 32-bit patterns.
12862 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12863 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12864 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12865 generating 64-bit code.
12866 * config/pa/pa.c (output_move_double): Handle copies between general
12867 and floating registers.
12869 2006-01-10 Stuart Hastings <stuart@apple.com>
12871 * config/i386/i386.md (set_got): Update.
12872 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12873 (builtin_setjmp_receiver): Mach-O support.
12874 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12875 (GOT_SYMBOL_NAME): Define.
12876 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12877 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12878 * config/i386/i386.c (override_options): Revise for Darwin.
12879 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12880 support. (darwin_x86_file_end): New. (output_set_got): Add label
12881 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12882 * config/i386/i386-protos.h (output_set_got): Likewise.
12883 * config/darwin.c (machopic_legitimize_pic_address): Update
12886 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12888 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12889 when MODE isn't BLKmode.
12891 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12893 PR rtl-optimization/25367
12894 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12896 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12899 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12900 for a negative bound.
12902 2006-01-10 Richard Guenther <rguenther@suse.de>
12904 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12905 Never override with anything constraint.
12907 2006-01-10 Jan Beulich <jbeulich@novell.com>
12909 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12910 256 bits when optimize_size.
12912 2006-01-10 Jan Beulich <jbeulich@novell.com>
12914 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12916 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12917 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12920 2006-01-10 Ben Elliston <bje@au.ibm.com>
12922 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12924 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12925 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12926 (USE_FP_FOR_ARG): Reject decimal float modes.
12927 (function_arg_advance): Likewise.
12928 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12929 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12930 point types in AltiVec vectors.
12931 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12932 (rs6000_libcall_value): Likewise.
12934 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12936 * config/xtensa/ieee754-df.S: New file.
12937 * config/xtensa/ieee754-sf.S: New file.
12938 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12939 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12940 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12942 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12944 * config/sh/predicates.md (binary_float_operator,
12945 binary_logical_operator, commutative_float_operator,
12946 equality_comparison_operator, greater_comparison_operator,
12947 less_comparison_operator, logical_operator,
12948 noncommutative_float_operator, shift_operator,
12949 symbol_ref_operand, unary_float_operator): Remove redundant
12952 2006-01-09 Jeff Law <law@redhat.com>
12954 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12955 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12956 now unused arguments. Callers updated.
12957 (eliminate_redundant_computations): Remove now unused arguments,
12959 (local_fold): Remove, no longer used.
12960 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12962 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12963 (simplify_cond): New function.
12964 (forward_propagate_into_cond): Call simplify_cond.
12966 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12968 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12969 (*vec_extractv2di_1_sse): New.
12971 2006-01-09 Ben Elliston <bje@au.ibm.com>
12973 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12975 2006-01-08 Richard Guenther <rguenther@suse.de>
12977 * tree-ssa-structalias.c (get_constraint_for): Remove
12978 anyoffset argument.
12979 (get_constraint_for_component_ref): Likewise.
12980 (do_deref): Likewise.
12981 (get_constraint_for): Likewise.
12982 (do_structure_copy): Likewise.
12983 (handle_ptr_arith): Likewise.
12984 (find_func_aliases): Likewise. Remove unused need_anyoffset
12987 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12988 Kaz Kojima <kkojima@gcc.gnu.org>
12990 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12991 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12992 (EXTRA_CONSTRAINT_C16): Remove.
12993 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12994 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12995 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12996 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12997 constants of SHmedia. Handle nested constant expressions of
12999 (andcosts): Fix the costs for SHmedia constants.
13000 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13001 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13002 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13003 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13004 (movv4hi_i, movv2si_i): Likewise.
13005 (movsi_const): Adjust the second operand of ior so to match with
13006 the Csu constraint.
13007 (movdi_const, movdi_const_32bit): Likewise.
13008 (movdi_const_16bit+1): Don't sign-extend LOW.
13009 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13011 (*double_shori): Fix the split condition. Use GEN_INT instead
13012 of get_int_mode calls. Mask lower 16-bit of the argument of
13014 (sym2GOTPLT): Remove.
13015 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13017 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13018 instead of EXTRA_CONSTRAINT_C16.
13020 2006-01-07 Ian Lance Taylor <ian@airs.com>
13021 David Edelsohn <edelsohn@gnu.org>
13023 PR rtl-optimization/25662
13024 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13025 for constant operands instead of simplify_gen_binary.
13026 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13027 after trying simplify_binary_operation
13029 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13031 * tree.c (iterative_hash_expr): Hash decls based on UID.
13033 2006-01-06 Eric Christopher <echristo@apple.com>
13035 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13036 (TARGET_UNWIND_EMIT): Fix spelling.
13037 * target.h (gcc_target): Add except_table_label.
13038 * except.c (output_function_exception_table): Use.
13039 * varasm.c (default_emit_except_table_label): New.
13040 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13042 (asm_out): Add here.
13043 * output.h (default_emit_except_table_label): Prototype.
13044 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13045 * config/darwin.c (darwin_emit_except_table_label): Define.
13046 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13048 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13050 PR tree-optimization/18527
13051 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13052 number_of_iterations_special, number_of_iterations_exit):
13053 Move base and step of an iv to a single structure. Add
13054 no_overflow flag, and use it in # of iterations analysis.
13055 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13056 folded_casts argument.
13057 (simple_iv): Pass base and step in a structure. Set no_overflow
13059 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13060 Evaluate expensiveness of computing # of iterations instead of
13061 the final expression.
13062 * tree-scalar-evolution.h (affine_iv): New structure.
13063 (simple_iv): Declaration changed.
13064 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13065 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13066 find_givs_in_stmt): Changed due to simple_iv change.
13068 2006-01-06 Jeff Law <law@redhat.com>
13071 * tree-cfg.c (bsi_replace): Rename final argument from
13072 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13073 change (stmt -> orig_stmt).
13074 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13075 (bsi_remove): Add new argument. Remove EH information
13077 (verify_eh_throw_table_statements): New function.
13078 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13080 * tree-optimize.c (execute_free_cfg_annotations): Verify
13081 the EH throw statement table after removing annotations.
13082 * except.h (verify_eh_throw_table_statements): Prototype.
13083 * tree-flow.h (bsi_remove): Update prototype.
13084 * tree-vrp.c (remove_range_assertions): Add new argument to
13086 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13087 * tree-complex.c (expand_complex_div_wide): Likewise.
13088 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13089 * tree-tailcall.c (eliminate_tailcall): Likewise.
13090 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13091 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13092 * tree-nrv.c (tree_nrv): Likewise.
13093 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13094 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13095 (combine_blocks): Likewise.
13096 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13097 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13098 (cleanup_control_flow): Likewise.
13099 (remove_forwarder_block): Likewise.
13100 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13101 * tree-sra.c (sra_replace): Likewise.
13102 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13103 (forward_propagate_single_use_vars): Likewise.
13104 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13105 * tree-inline.c (expand_call_inline): Likewise.
13106 * tree-vect-transform.c (vect_transform_loop): Likewise.
13107 * tree-outof-ssa.c (rewrite_trees): Likewise.
13108 * tree-cfg.c (make_goto_expr_edges): Likewise.
13109 (cleanup_dead_labels): Likewise.
13110 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13111 (bsi_move_before, bsi_move_after): Likewise.
13112 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13113 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13115 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13118 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13120 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13121 on non gimple variables. Also add checks at the top for decls and
13123 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13125 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13126 and IMAGPART_EXPR for creating MUST_DEFs.
13127 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13128 and NAME_MEMORY_TAG separately from the DECLs.
13130 2006-01-06 Richard Guenther <rguenther@suse.de>
13132 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13133 annotation, if necessary.
13134 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13135 redundant calls to update_stmt.
13136 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13139 2006-01-05 Richard Henderson <rth@redhat.com>
13141 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13143 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13145 * c-typeck.c: Update copyright date.
13147 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13149 * c-typeck.c (build_c_cast): Always warn when casting
13150 from a pointer to an integer of different size, even if
13151 the node was constant.
13153 2006-01-05 Richard Guenther <rguenther@suse.de>
13155 PR tree-optimization/22555
13156 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13157 if one structure field is an array.
13158 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13159 operands even if we found a subvar, but ignore VOPs in this
13161 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13163 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13165 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13167 PR middle-end/24998
13168 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13170 2006-01-05 Richard Guenther <rguenther@suse.de>
13171 Diego Novillo <dnovillo@redhat.com>
13173 * tree-pass.h (TODO_remove_unused_locals): Define.
13174 * gimple-low.c (expand_var_p, remove_useless_vars,
13175 pass_remove_useless_vars): Remove. Update all users.
13176 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13177 (remove_unused_locals): New function.
13178 * tree-flow.h (remove_unused_locals): Declare.
13179 * passes.c (execute_todo): Call remove_unused_locals if
13180 TODO_remove_unused_locals is set.
13181 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13182 * tree-ssa-dce.c (pass_dce): Likewise.
13183 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13185 2006-01-05 Richard Guenther <rguenther@suse.de>
13187 * tree-flow.h (struct fieldoff): Decompose field to
13188 type, size and decl.
13189 * tree-ssa-alias.c (create_sft): Take type as parameter.
13190 (create_overlap_variables_for): Store type, size and decl
13191 in the fieldoff structure.
13192 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13193 of struct fieldoff.
13194 (push_fields_onto_fieldstack): Likewise.
13195 (create_variable_info_for): Likewise. Use offset for the
13196 SFT name if the decl is not available.
13198 2006-01-04 Paul Brook <paul@codesourcery.com>
13200 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13202 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13204 * lambda-code.c (can_put_in_inner_loop): Relax
13206 (can_put_after_inner_loop): New function.
13207 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13208 (perfect_nestify): Change to make copies and modify uses.
13210 2006-01-04 Richard Henderson <rth@redhat.com>
13212 Merge from gomp branch:
13213 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13214 via integer constant.
13215 (pragma_lex): Remove.
13216 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13217 rather than parsing it.
13218 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13219 handle_pragma_extern_prefix): Add %< %> quotes.
13220 (registered_pragmas): New.
13221 (c_register_pragma_1): New.
13222 (c_register_pragma): Use it.
13223 (c_register_pragma_with_expansion): Likewise.
13224 (c_invoke_pragma_handler): New.
13225 (init_pragma): Use cpp_register_deferred_pragma directly for
13227 * c-pragma.h (enum pragma_kind): New.
13228 (pragma_handler): New.
13229 (c_invoke_pragma_handler): Declare.
13230 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13232 * c-common.h (c_common_pch_pragma): Update decl.
13233 * Makefile.in (c-parser.o): Update dependencies.
13234 (GTFILES): Add c-pragma.h.
13235 * c-parser.c (struct c_token): Add pragma_kind.
13236 (struct c_parser): Add in_pragma.
13237 (c_lex_one_token): Always initialize keyword and pragma_kind.
13238 Extract data for CPP_PRAGMA.
13239 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13240 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13241 Don't allow CPP_PRAGMA_EOL if in_pragma.
13242 (c_parser_consume_pragma): New.
13243 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13244 (c_parser_skip_to_end_of_parameter): Likewise.
13245 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13246 (c_parser_skip_to_pragma_eol): New.
13247 (c_parser_external_declaration): Handle CPP_PRAGMA.
13248 (c_parser_compound_statement_nostart): Likewise.
13249 (c_parser_statement_after_labels): Likewise.
13250 (c_parser_pragma): New.
13251 (pragma_lex): Likewise.
13252 (c_parser_pragma_pch_preprocess): New.
13253 (c_parser_new): Merge into ...
13254 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13256 2006-01-04 Jeff Law <law@redhat.com>
13259 * tree-cfg.c (bsi_replace): Remove the original statement
13260 from the EH throw statement table.
13262 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13264 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13265 make the prototype extern "C" and add throw ().
13268 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13269 and pos non-negative and pos + len <= 32.
13270 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13271 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13272 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13275 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13276 as well as sizes not multiple of component size.
13279 * function.c (instantiate_expr): New function.
13280 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13281 walk its DECL_VALUE_EXPR with instantiate_expr.
13283 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13284 DW_OP_deref{,_size} if address isn't going to be added.
13286 2006-01-04 Ben Elliston <bje@au.ibm.com>
13288 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13289 * config/fp-bit.c: Likewise.
13291 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13293 * dominance.c: Add comment about why we use DFS numbering
13296 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13297 Richard Henderson <rth@redhat.com>
13299 Merge from gomp-branch:
13300 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13301 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13303 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13305 PR rtl-optimization/25578
13306 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13307 pass a parameter to simplify_shift_const if changing ASHIFTRT
13310 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13312 * builtins.c (get_builtin_sync_mem): New function.
13313 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13314 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13315 Call get_builtin_sync_mem to generate mem rtx.
13317 2006-01-03 Richard Guenther <rguenther@suse.de>
13320 * stmt.c (add_case_node): Make sure to clear overflow flags
13323 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13325 Merge from gomp-branch.
13326 * config/sparc/sync.md: New file.
13327 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13328 UNSPECV_LDSTUB): New constants.
13329 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13330 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13331 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13334 2006-01-03 Roger Sayle <roger@eyesopen.com>
13336 * combine.c (reg_subword_p): New predicate to test whether the
13337 destination of a set refers to a subword/piece of a register.
13338 (try_combine): Generalize the code to merge the setting of a
13339 pseudo to a constant followed by a set of a subword of that
13340 register to a constant.
13342 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13344 * basic-block.h (control_flow_graph): Change the type of
13345 x_label_to_block_map to VEC(basic_block,gc) *.
13346 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13347 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13349 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13350 VEC(basic_block,heap) *.
13351 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13352 ssa_prop_fini): Adjust the uses of cfg_blocks.
13354 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13356 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13358 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13359 hashing trees instead of a pointer hash.
13360 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13361 compare for MEM_EXPR.
13363 PR rtl-optimization/25130
13364 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13365 when comparing MEMs for GCSE
13367 2006-01-03 Ben Elliston <bje@au.ibm.com>
13369 * targhooks.h (default_decimal_float_supported_p): Declare.
13370 * targhooks.c (default_decimal_float_supported_p): Define.
13371 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13372 `default_decimal_float_supported_p'.
13373 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13375 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13377 * combine.c (apply_distributive_law <SUBREG>): Check
13378 TRULY_NOOP_TRUNCATION.
13380 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13382 * dwarf2out.c (have_switched_text_section): Delete.
13383 (have_multiple_function_sections): New.
13384 (have_location_lists): Make 'bool'.
13385 (add_AT_loc_list): Use 'true' not '1'.
13386 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13387 (output_loc_list): Use have_multiple_function_sections.
13388 (output_ranges): Likewise.
13389 (dwarf2out_begin_function): Set have_multiple_function_sections if
13391 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13392 Check function_section rather than DECL_SECTION_NAME.
13393 (dwarf2out_finish): Use have_multiple_function_sections.
13394 Don't clear have_location_lists.
13396 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13397 Jan Hubicka <jh@suse.cz>
13399 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13400 case of conditional jump jumping to the next instruction.
13401 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13402 cases of conditional jump jumping to the next instruction.
13404 2006-01-02 Jan Hubicka <jh@suse.cz>
13406 * i386.c (*_cost): Add COSTS_N_INSNS.
13407 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13409 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13412 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13414 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13416 * config/arm/arm.c (all_fpus): Fix comment typo.
13417 * config/darwin.c: Likewise.
13418 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13419 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13420 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13422 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13424 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13425 (rs6000_split_compare_and_swapqhi): New.
13426 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13427 (sync_compare_and_swapqhi_internal): New.
13428 * config/rs6000/rs6000-protos.h: Declare.