1 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4 -mlongcall does not guarantee all calls will be long.
5 * doc/extend.texi (long_call/short_call): Document that longcall
6 does not guarantee a long call will be used.
7 (longcall/shortcall): Likewise.
9 2006-07-18 Roger Sayle <roger@eyesopen.com>
12 * expmed.c (expand_shift): Additionally check that the shift_cost
13 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
14 before implementing a LSHIFT_EXPR as a sequence of additions.
15 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
16 middle-end that DImode shifts need to be synthesized by expand.
18 2006-07-18 Diego Novillo <dnovillo@redhat.com>
21 * tree-ssa-operands.c (access_can_touch_variable): Update
23 Return true if ALIAS is .GLOBAL_VAR.
25 2006-07-18 David Daney <ddaney@avtrex.com>
27 * gcc.c (display_help): Fix typo in help text.
29 2006-07-18 Olivier Hainque <hainque@adacore.com>
31 * tree.h (categorize_ctor_elements): Adjust prototype and add
32 descriptive comment, both in accordance with the interface change
34 * varasm.c (constructor_static_from_elts_p): New function.
35 Whether a constructor node is a valid static constant initializer
36 if all its elements are.
37 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
38 * output.h: Declare it.
39 * expr.c (categorize_ctor_elements_1): Return whether the constructor
40 is a valid constant initializer instead of computing the number of
41 non-constant elements. Use constructor_static_from_elts_p for this
42 purpose. Replace the head comment with an indication that this is a
43 helper for categorize_ctor_elements.
44 (categorize_ctor_elements): Same interface change as for the _1
45 helper. Former head comment from this helper moved here, adjusted to
46 account for the interface changes.
47 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
48 (all_zeros_p): Likewise.
49 * gimplify.c (gimplify_init_constructor): Decide whether we can make
50 static versions of the constructor from the categorize_ctor_elements
51 return value instead of the formerly computed number of non-constant
54 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
56 * configure: Regenerate.
57 * Makefile.in (build_libsubdir): New configure substitution
58 (build_libobjdir): New variable.
59 (BUILD_LIBIBERTY): Use it.
61 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
64 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
66 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
69 * c-common.c (handle_weakref_attribute): Ignore attribute in
70 the same conditions the alias attribute is ignored.
72 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
74 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
75 (dbxout_begin_prologue): Increment scope_labelno.
77 2006-07-17 Richard Henderson <rth@redhat.com>
80 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
83 2006-07-17 Roger Sayle <roger@eyesopen.com>
84 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
86 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
87 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
88 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
89 functions such as sbrk, write, etc.. Add function prototypes.
90 Convert function declarations from K&R to ISO C. Cast pointers
91 to "long" and "unsigned long" instead of "int" and "unsigned int".
92 Convert tokens following #endif into comments.
94 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
96 * invoke.texi: Remove mention of f77; Reformat table for
97 inline parameter options correctly; mention that -malign-double
98 is default on x86-64 targets.
100 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
102 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
103 (convert_affine_scev, chrec_convert_aggressive): Use
104 avoid_arithmetics_in_type_p. Do not check for the subtypes
107 2006-07-17 Richard Sandiford <richard@codesourcery.com>
110 * optabs.c (expand_doubleword_shift): Wrap the call to
111 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
113 2006-07-17 Richard Sandiford <richard@codesourcery.com>
116 * optabs.c (expand_binop): Pass next_methods rather than methods
117 to expand_doubleword_shift.
119 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
122 * tree.h (dump_addr): Declare.
123 * print-tree.c (dump_addr): New function.
124 (print_node_brief, print_node): Use it.
125 * print-rtl.c (print_rtx): Likewise.
126 * common.opt (-fdump-noaddr): New option.
127 * doc/invoke.texi (-fdump-noaddr): Document.
128 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
129 (ve_info_hash): Likewise.
131 2006-07-13 Andrew Haley <aph@redhat.com>
133 PR tree-optimization/19505
134 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
135 edge leaving this block, make sure that the destination of this
136 block has only one predecessor.
138 2006-07-17 Richard Guenther <rguenther@suse.de>
140 PR tree-optimization/28238
141 * tree-inline.c (copy_bb): Check if we produced valid
142 gimple copying and substituting a stmt. If not, gimplify
145 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
147 * optabs.c (maybe_encapsulate_block): New function extracted from...
148 (emit_libcall_block): ...here. Invoke it on the block of insns to
149 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
150 (emit_no_conflict_block): Likewise.
152 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
154 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
156 2006-07-15 Roger Sayle <roger@eyesopen.com>
158 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
159 a new NOP_EXPR case of the switch statement.
161 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
164 * stor-layout.c (place_field): Take the bit field with
165 an excessive size into account in the ms-bitfiled case.
168 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
169 the previous bit field.
171 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
174 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
176 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
178 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
179 signal frames correctly even when the signal was installed with
182 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
184 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
185 (dbxout_function_end): Use local label LFBB. Remove hook
187 (dbxout_source_line): Use local label LFBB.
188 (dbxout_block): Likewise.
189 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
190 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
191 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
194 2006-07-13 Janis Johnson <janis187@us.ibm.com>
196 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
198 2006-07-13 Jan Hubicka <jh@suse.cz>
200 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
202 * output.h (align_variable): Declare.
203 * varasm.c (align_variable): Export.
204 * value-prof.c (tree_value_profile_transformations): Recompute iterator
205 when basic block changed.
207 2006-07-13 Nick Clifton <nickc@redhat.com>
209 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
210 walking the LOG_LINKS chain.
212 2006-07-12 Geoffrey Keating <geoffk@apple.com>
214 * doc/invoke.texi (C++ Dialect Options): Explain difference
215 between -fvisibility-inlines-hidden and setting hidden
216 visibility explicitly.
218 2006-07-12 Eric Christopher <echristo@apple.com>
220 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
221 (stmp-lipo): Depend on libgcc.a.
223 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
225 * tree.c: Fix a comment typo.
227 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
229 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
231 (umulhisi3_r): Likewise.
233 2006-07-12 Paolo Carlini <pcarlini@suse.de>
236 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
237 x < 19, vs wchar_t support.
239 2006-07-12 Nick Clifton <nickc@redhat.com>
241 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
244 2006-07-12 Mike Stump <mrs@apple.com>
246 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
248 2006-07-10 Eric Christopher <echristo@apple.com>
250 * config/t-slibgcc-darwin: Rewrite.
252 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
255 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
258 2006-07-08 Matthias Klose <doko@debian.org>
260 * doc/sourcebuild.texi: Fix typo.
262 2006-07-07 Mike Stump <mrs@apple.com>
264 * toplev.c (process_options): Don't give -ffunction-sections may
265 affect debugging warning for Mach-O.
267 2006-07-07 James E Wilson <wilson@specifix.com>
269 * config/mips/mips.md (cpu): Add sb1a.
270 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
271 addition to sb1. Adjust comments to clarify SB-1A differences from
273 (ir_sb1a_load): New. Modify bypasses to use it.
274 (ir_sb1a_simple_alu): Likewise.
275 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
276 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
277 (mips_issue_rate): Add PROCESSOR_SB1A.
278 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
279 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
280 (TARGET_SB1): Add PROCESSOR_SB1A check.
281 (TUNE_SB1): Likewise.
283 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
284 * config/mips/mips.c (mips_store_data_bypass_p): New.
285 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
288 2006-07-08 Paul Brook <paul@codesourcery.com>
291 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
293 2006-07-07 Richard Guenther <rguenther@suse.de>
296 * tree.h (build_one_cst): Declare.
297 * tree.c (build_one_cst): New function.
298 * tree-ssa-math-opts.c (get_constant_one): Remove.
299 (insert_reciprocals): Use build_one_cst.
300 * fold-const.c (fold_plusminus_mult): Likewise.
302 2006-07-07 Roger Sayle <roger@eyesopen.com>
304 * pointer-set.c (pointer_set_destroy): Correct whitespace.
305 * cfgloopanal.c (dump_graph): Likewise.
306 * dojump.c (discard_pending_stack_adjust): Likewise.
307 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
309 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
310 * function.c (finalize_block_changes): Likewise.
311 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
312 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
313 * rtl.c (dump_rtx_statistics): Likewise.
314 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
316 * varray.c (dump_varray_statistics): Likewise.
317 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
318 decode_decimal64, encode_decimal128, decode_decimal128,
319 decimal_real_to_decimal): Likewise.
321 2006-07-07 Richard Guenther <rguenther@suse.de>
323 PR tree-optimization/28187
324 * tree-vrp.c (vrp_operand_equal_p): New function.
325 (vrp_bitmap_equal_p): Likewise.
326 (update_value_range): Use them to compare old and new
329 2006-07-06 Roger Sayle <roger@eyesopen.com>
331 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
332 a default case to switch statement to silence compiler warnings.
334 2006-07-06 Roger Sayle <roger@eyesopen.com>
337 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
338 the configured assembler supports the x87's ffreep mnemonic.
339 * configure: Regenerate.
340 * config.in: Regenerate.
342 * config/i386/i386.c (output_387_ffreep): New function.
343 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
344 (output_387_reg_move): Likewise.
346 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
348 Port to hosts whose 'sort' and 'tail' implementations
349 treat operands with leading '+' as file names, as POSIX
350 has required since 2001. However, make sure the code still
351 works on pre-POSIX hosts.
352 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
353 which says you should use "tail -c +N" rather than "tail +Nc".
354 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
356 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
358 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
361 2006-07-06 David Edelsohn <edelsohn@gnu.org>
364 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
365 PRE_{INC,DEC} of TFmode.
367 2006-07-06 David Edelsohn <edelsohn@gnu.org>
368 Alan Modra <amodra@bigpond.net.au>
371 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
374 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
377 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
378 Remove duplicate gtu.
380 2006-07-05 Jason Merrill <jason@redhat.com>
384 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
385 * c-common.c (handle_packed_attribute): So don't copy it here.
386 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
388 2006-07-05 Mike Stump <mrs@apple.com>
390 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
392 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
395 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
397 2006-07-05 Richard Guenther <rguenther@suse.de>
400 * config/i386/i386.md (*negdf2_1): Restrict pattern to
401 TARGET_SSE2 targets if using SSE math.
402 (*absdf2_1): Likewise.
404 2006-07-05 Richard Guenther <rguenther@suse.de>
406 PR tree-optimization/28162
407 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
408 make sure to convert the operands to the correct type.
410 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
412 PR tree-optimization/28218
414 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
415 to calculate and free the dominator information.
417 2006-07-04 Peter O'Gorman <peter@pogma.com>
419 * mklibgcc.in: chmod 644 before ranlib during install.
421 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
422 J"orn Rennecke <joern.rennecke@st.com>
424 * configure.ac (.eh_frame data check): Use diff -b.
426 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
429 * Makefile.in (BUILD_RTL): Add build/vec.o.
430 (build/gencondmd.o): Filter out -fkeep-inline-functions.
431 (build/genextract): Delete.
432 (build/genautomata): Likewise.
434 2006-07-04 Alan Modra <amodra@bigpond.net.au>
437 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
438 128-bit IBM long doubles for ABI_V4.
440 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
442 * tree.c (range_in_array_bounds_p): New predicate.
443 * tree.h (range_in_array_bounds_p): Declare it.
444 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
445 return a less conservative answer.
446 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
448 (IS_ELEMENT_FOR_GROUP): New macro.
449 (FOR_EACH_ACTUAL_CHILD): Likewise.
450 (next_child_for_group): New helper function.
451 (can_completely_scalarize_p): Take into account groups.
452 (sra_hash_tree): Handle RANGE_EXPR.
453 (sra_elt_eq): Likewise.
454 (lookup_element): Be prepared for handling groups.
455 (is_valid_const_index): Delete.
456 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
457 instead of is_valid_const_index.
458 <ARRAY_RANGE_REF>: New case.
459 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
460 is_valid_const_index.
461 <ARRAY_RANGE_REF>: Do not unconditionally punt.
462 (scan_dump): Dump info for groups too.
463 (decide_instantiation_1): Likewise.
464 (decide_block_copy): Assert that the element is not a group.
465 Propagate decision to groups.
466 (generate_one_element_ref): Handle RANGE_EXPR.
467 (mark_no_warning): Iterate over actual childs.
468 (generate_copy_inout): Likewise.
469 (generate_element_copy): Likewise.
470 (generate_element_zero): Likewise.
471 (generate_element_init_1): Likewise.
472 (dump_sra_elt_name): Handle RANGE_EXPR.
474 2006-07-03 Roger Sayle <roger@eyesopen.com>
476 PR tree-optimization/26251
477 * tree-ssa-threadupdate.c (redirection_block_p): New function.
478 (thread_block): When optimizing for size refuse to thread jumps
479 that would require duplication of blocks other than redirection
482 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
484 * configure.ac: Fix thinko in previous check-in.
485 * configure: Regenerate.
487 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
490 * configure.ac (for lang...): Simplify nesting of conditionals.
491 Test subdir_requires for non-enabled languages. Move processing
492 of lang_opt_files and lang_tree_fiels below that test.
493 * configure: Regenerate.
494 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
496 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
498 * doc/gcov.texi (Invoking Gcov): Add a missing word.
500 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
502 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
505 2006-06-29 Jason Merrill <jason@redhat.com>
512 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
513 * c-common.c (c_determine_visibility): Handle it here.
514 * c-decl.c (finish_decl): Call c_determine_visibility for
516 * flags.h (enum symbol_visibility): Sort from most to least visibility.
518 * varasm.c (default_assemble_visibility): Likewise.
519 * c-common.c (handle_visibility_attribute): Complain about trying
520 to give visibility to an already defined class, or trying to change
521 declared visibility. Always attach the attribute.
526 * attribs.c (decl_attributes): Ignore type-in-place attributes
527 once the type has been defined.
529 2006-06-29 Roger Sayle <roger@eyesopen.com>
532 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
533 to indicate the cpplib has issued an error message for us.
535 2006-06-29 Asher Langton <langton2@llnl.gov>
538 * config/i386/i386.c (ix86_output_function_epilogue): Don't
539 insert a label at the end of an function under Mach-O.
541 2006-06-29 Eric Christopher <echristo@apple.com>
542 Evan Cheng <evan.cheng@apple.com>
544 * predicates.md (vector_all_ones_operand): New.
545 (nonimmediate_or_sse_const_operand): Ditto.
546 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
547 * config/i386/i386.c (standard_sse_constant_opcode): Define.
548 (standard_sse_mode_p): Ditto.
549 (standard_sse_constant_p): Add case for -1 vector.
550 (ix86_expand_vector_move): Try to use.
551 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
552 Call standard_sse_constant_opcode.
553 (*movv4sf_internal): Ditto.
554 (*movv2df_internal): Ditto.
556 2006-06-29 Roger Sayle <roger@eyesopen.com>
558 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
559 of XEXP to extract the operands of a MATCH_CODE rtx.
561 2006-06-28 Andrew Pinski <pinskia@gmail.com>
563 * tree.c (tree_size): Do not waste tail padding in
564 struct tree_string and make the size be the same as
565 build_string will generate.
567 2006-06-28 Jason Merrill <jason@redhat.com>
570 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
571 may_aliases already in the tag's annotations to the bitmap.
573 2006-06-28 Roger Sayle <roger@eyesopen.com>
575 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
577 2006-06-28 Roger Sayle <roger@eyesopen.com>
579 * genpreds.c (generate_switch_p): New function.
580 (add_mode_tests): Push the new mode test down inside an AND expr
581 if this allows the switch-suitable MATCH_CODE to be near the root.
582 (write_match_code_switch): New function to write a MATCH_CODE as
584 (write_predicate_stmts): New function to write a predicate RTX
585 expression as a sequence of statements.
586 (write_one_predicate_function): Use write_predicate_stmts.
587 (write_tm_constrs_h): Likewise.
589 2006-06-26 Fred Fish <fnf@specifix.com>
591 * config/mips/t-sb1: New file.
592 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
595 2006-06-26 DJ Delorie <dj@redhat.com>
597 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
599 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
600 Jayant Sonar <jayants@kpitcummins.com>
601 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
603 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
604 (subsi3, subsi3_1, subsi3_2): New.
605 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
606 * config/m32c/mov.md (SI mov peephole): New.
607 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
608 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
610 2006-06-26 Olivier Hainque <hainque@adacore.com>
612 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
613 a CALL_EXPR target function declaration.
615 2006-06-26 Richard Guenther <rguenther@suse.de>
617 * tree.c (build_string): Do not waste tail padding in
620 2006-06-26 Richard Guenther <rguenther@suse.de>
622 * ggc-page.c (init_ggc): Add missing element to size_lookup
626 2006-06-23 Richard Guenther <rguenther@suse.de>
628 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
629 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
630 alignment requests instead. Add verification code.
631 Add struct tree_function_decl and struct tree_binfo size to
632 extra_order_size_table. Add missing element to size_lookup
635 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
638 * fold-const.c (const_binop): Be prepared for self returning zero.
639 Simplify code handling complex values.
641 2006-06-24 Olivier Hainque <hainque@adacore.com>
643 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
644 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
647 2006-06-24 Olivier Hainque <hainque@adacore.com>
649 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
650 ARRAY_REF, so have the callback called for the low bound expression.
652 2006-06-23 Janis Johnson <janis187@us.ibm.com>
654 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
655 * c-typeck.c (c_common_type): Disallow operations on decimal float
656 types and other float types.
657 * convert.c (convert_to_real): Don't ignore conversions involving
660 2006-06-23 Olivier Hainque <hainque@adacore.com>
662 * tree.c (max_int_size_in_bytes): New function, inspired from
663 code in function.c:assign_temp.
664 * tree.h (max_int_size_in_bytes): Declare.
665 * function.c (assign_temp): Use it.
666 * gimplify.c (create_tmp_var): Relax the assertions on the type
667 properties, not mandating constant size any more.
668 (force_constant_size): New static function.
669 (gimple_add_tmp_var): Use it, forcing variable size to a
670 constant upper bound if it is not constant on entry.
672 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
675 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
676 for initialization and setting of one_only flag to ...
677 (i386_pe_encode_section_info): ...here.
678 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
679 Recheck that the symbol has not been defined.
681 2006-06-23 Richard Guenther <rguenther@suse.de>
683 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
684 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
685 alignment requests instead. Add verification code.
686 Add struct tree_function_decl and struct tree_binfo size to
687 extra_order_size_table. Add missing element to size_lookup
690 2006-06-22 Roger Sayle <roger@eyesopen.com>
691 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
694 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
695 call to lang_hooks.types.type_for_mode returned NULL_TREE.
697 2006-06-23 Ben Elliston <bje@au.ibm.com>
699 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
700 negate dn -- manipulate it directly.
702 2006-06-22 Roger Sayle <roger@eyesopen.com>
703 Steven Bosscher <stevenb.gcc@gmail.com>
706 * reload1.c (gen_reload): Call mark_jump_label on the new insns
707 generated by gen_move_insn to add REG_LABEL notes if necessary.
709 2006-06-22 Bob Wilson <bob.wilson@acm.org>
711 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
712 (leaf_entry): Remove use of MIN_ESA.
714 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
716 PR rtl-optimization/28121
717 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
720 2006-06-21 DJ Delorie <dj@redhat.com>
722 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
724 (mulhisi3_r): Likewise.
726 2006-06-21 Richard Sandiford <richard@codesourcery.com>
729 * coverage.c (coverage_counter_alloc): Leave the index type
731 (coverage_counter_alloc): Use null arguments for operands 2 and 3
734 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
736 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
737 section from the "Options for Code Generation Conventions".
739 2006-06-21 Richard Henderson <rth@redhat.com>
743 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
745 (global_symbolic_operand): Allow weak symbols, even if local_p.
747 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
749 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
750 (find_interesting_uses_address): Punt if above function returns true.
752 2006-06-21 Richard Guenther <rguenther@suse.de>
754 * configure: Regenerated.
756 2006-06-21 Joseph Myers <joseph@codesourcery.com>
758 * config/mips/mips.c (function_arg): Where one part of a
759 complex argument is in registers and the other part in the stack,
760 return a REG not a PARALLEL.
762 2006-06-21 Mark Mitchell <mark@codesourcery.com>
764 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
765 when cross-compiling. Do not substitute libstdcxx_incdir.
766 * configure: Regenerated.
768 2006-06-21 Jakub Jelinek <jakub@redhat.com>
770 * varasm.c (mergeable_string_section): Check for embedded NULs and
771 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
772 rather than TREE_STRING_LENGTH bytes.
774 2006-06-21 Richard Guenther <rguenther@suse.de>
776 * ggc-page.c (extra_order_size_table): Add var_ann_d,
777 tree_ssa_name, bitmap_element and phi_node with 4 arguments
780 2006-06-21 Richrad Guenther <rguenther@suse.de>
782 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
783 Limit iteration over the dominators.
785 2006-06-20 Roger Sayle <roger@eyesopen.com>
787 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
788 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
790 2006-06-20 Richard Guenther <rguenther@suse.de>
791 Michael Matz <matz@suse.de>
793 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
795 * alloc-pool.c (free_alloc_pool_if_empty): New function.
796 * et-forest.h (et_free_pools): Prototype new function.
797 * et-forest.c (et_free_tree_force): Free parent occurrence.
798 (et_free_pools): New function.
799 * dominance.c (free_dominance_info): Free et-forest alloc
802 2006-06-20 Roger Sayle <roger@eyesopen.com>
804 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
805 integer modes, attempt to directly construct an integer constant.
807 * fold-const.c (native_encode_vector): Determine the size of each
808 element from the vector type instead of the first vector element.
810 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
811 if all of its elements/components are constant.
812 (build_constructor_from_list): Likewise.
814 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
816 PR tree-optimization/27331
817 * tree-data-ref.c (free_data_ref): New function.
818 (create_data_ref): Fail if the data reference has unknown access
820 (free_data_refs): Use free_data_ref.
822 2006-06-19 Andrew Pinski <pinskia@gmail.com>
825 * tree-inline.c (setup_one_parameter): Strip useless
826 type conversion before adding it to the IR.
827 (declare_return_variable): Likewise.
829 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
832 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
834 2006-06-19 Mike Stump <mrs@apple.com>
836 * tree.c (variably_modified_type_p): VM arguments don't make the
839 2006-06-19 Richard Guenther <rguenther@suse.de>
841 * tree-ssa-pre.c (try_combine_conversion): Strip useless
842 type conversions after folding.
844 2006-06-19 Richard Guenther <rguenther@suse.de>
846 * ggc-page.c (extra_order_size_tab): Add entries with
847 size of struct function and basic_block.
848 (size_lookup): Extend to cover sizes up to 511.
849 (ggc_alloc_stat): Adjust user.
850 (ggc_pch_count_object): Likewise.
851 (ggc_pch_alloc_object): Likewise.
852 (ggc_pch_write_object): Likewise.
854 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
856 * tree-ssa-loop-niter.c (implies_ge_p): New function.
857 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
860 2006-06-19 Denis Chertykov <denisc@overta.ru>
862 * config/avr/libgcc.S : Correct my wrong previous commit.
864 2006-06-19 Roger Sayle <roger@eyesopen.com>
867 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
868 have stripped a SUBREG from the shift count, so we may need to
869 convert_to_mode back to the type's mode before calling make_tree.
870 Use new_amount instead of amount to avoid expanding a tree twice.
872 2006-06-19 Richard Guenther <rguenther@suse.de>
875 * fold-const.c (operand_equal_p): Check if the argument types
876 have the same precision before stripping NOPs.
878 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
880 Fix PR tree-optimization/27341
881 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
883 * tree-complex.c (pass_lower_complex): Update SMT usage.
885 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
887 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
888 Add a new alternative to the constraint strings. Add move of
889 operand 1 to 3 to the splitter definition.
890 ("doloop_si_long"): Second contraint alternative removed.
892 2006-06-08 Anatoly Sokolov <aesok@post.ru>
894 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
895 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
897 (AVR_HAVE_MOVW) Define.
898 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
899 (ASM_SPEC): Add avr25.
900 (LINK_SPEC): Add avr25.
901 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
902 (base_arch_s): Add new member 'have_movw_lpmx'.
903 (avr_arch_types): Init 'have_movw_lpmx'.
904 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
905 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
906 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
907 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
908 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
910 (avr_file_start): Do not output '.arh' derective.
911 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
912 (__do_copy_data): Use __AVR_HAVE_LPMX__.
913 * config/avr/avr.md (mcu_enhanced): Delete.
914 (mcu_have_movw): Define.
915 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
916 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
917 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
918 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
919 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
920 attiny861 and at86rf401 devices.
922 2006-06-18 Jie Zhang <jie.zhang@analog.com>
924 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
927 2006-06-17 Karl Berry <karl@gnu.org>
929 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
930 doc/gccint.texi, doc/install.texi (@dircategory): Use
931 "Software development" instead of "Programming", following
932 the Free Software Directory.
934 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
936 * config/i386/i386.c (legitimate_tls_address)
937 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
938 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
939 (*tls_dynamic_gnu2_combine_64): Likewise.
941 2006-06-16 Richard Guenther <rguenther@suse.de>
944 * fold-const.c (negate_expr_p): Do not introduce undefined
945 overflow in negating INTEGER_CSTs.
946 (fold_negate_expr): Rename from negate_expr. Revert last
947 change for folding BIT_NOT_EXPR. Change semantics to
948 return NULL_TREE for non-simplified negations. Do not
949 strip type conversions and unify type handling.
950 (negate_expr): New function, wrap around fold_negate_expr
951 but ensure building a tree always. Strip type conversions
952 here, fold to result type.
953 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
955 2006-06-16 Roger Sayle <roger@eyesopen.com>
958 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
959 that (would) return their results in stack registers.
961 2006-06-16 Michael Matz <matz@suse.de>
962 Richard Guenther <rguenther@suse.de>
964 * fold-const.c (fold_truthop): Only return new tree node if
965 we canonicalized something.
967 2006-06-16 Richard Guenther <rguenther@suse.de>
969 * function.h (enum function_frequency): Move declaration
970 out of struct function.
971 (struct function): Move bool fields and the enum to the bitfield
972 section. Reorder elements to avoid padding. Remove unused
973 fields left over from the RTL inliner removal.
974 * function.c (free_after_compilation): Do not zero removed fields.
975 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
976 (ipa-type-escape.o): Likewise.
978 2006-06-16 Richard Guenther <rguenther@suse.de>
980 * cgraph.h (struct cgraph_local_info): Turn bool elements
982 (struct cgraph_node): Likewise.
983 (struct cgraph_varpool_node): Likewise.
985 2006-06-15 Richard Guenther <rguenther@suse.de>
987 * fold-const.c (fold_truth_not_expr): Rename from
988 invert_truthvalue. Give it fold_* semantics to avoid
990 (invert_truthvalue): New function. Wrapper around
992 (optimize_minmax_comparison): Avoid creating garbage.
993 (fold_unary): Use fold_truth_not_expr for folding
995 (fold_ternary): Replace uses of invert_truthvalue with
996 fold_truth_not_expr where applicable.
997 * tree.h (fold_truth_not_expr): Prototype.
999 2006-06-16 Richard Guenther <rguenther@suse.de>
1001 PR tree-optimization/27781
1002 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1003 * ipa-pure-const.c (target.h): Include.
1004 (analyze_function): Do not analyze functions that do not
1007 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1010 * tree-dfa.c (referenced_vars_dup_list): Remove.
1011 (find_referenced_vars): Remove assert.
1012 (referenced_var_check_and_insert): Replace dup list with assert.
1013 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1014 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1016 2006-06-15 Richard Guenther <rguenther@suse.de>
1018 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1019 extra unused identifiers if not dumping.
1020 (create_variable_info_for): Likewise.
1022 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1024 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1025 (derive_constant_upper_bound): Derive more precise upper bound in
1026 common cases. Return type changed to double_int.
1027 (record_estimate): Reflect the changed return type of
1028 derive_constant_upper_bound.
1029 * double-int.c (double_int_zext, double_int_sext): Fix.
1031 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1033 * configure.ac (CFLAGS): Get them from the toplevel or from the
1034 configure invocation.
1035 * configure: Regenerate.
1036 * Makefile.in (CFLAGS): Substitute value provided by configure.
1038 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1041 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1042 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1043 rather than calling add_stmt on it.
1044 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1046 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1049 * reload1.c (reload): Remove registers returned by update_eliminables
1050 from used_spill_regs.
1052 2006-06-13 DJ Delorie <dj@redhat.com>
1054 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1056 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1058 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1059 html__strip_dir, html__mkdir_p. Enhance install-html target.
1060 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1061 * configure: Regenerate.
1063 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1065 * fold-const.c (fold_cond_expr_with_comparison): Check for
1066 Objective-C++ as language in deciding COND_EXPR transformation.
1068 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1071 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1072 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1073 * config/sh/lib1funcs.h (SL, SL1): Define.
1074 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1075 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1076 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1077 (OBJS_Os_4_200): New variable.
1078 ($(T)libgcc-Os-4-200.a): Use it.
1079 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1080 when dividing 1 and/or by 0.
1082 2006-06-13 Roger Sayle <roger@eyesopen.com>
1084 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1085 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1086 * configure: Regenerate.
1088 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1090 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1091 for real instruction.
1093 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1096 * haifa-sched.c (check_cfg): Handle special case.
1098 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1101 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1102 Add debug_info parameter. Chain the vars to the BLOCK instead
1103 of the BIND_EXPR if debug info are requested for them.
1104 (pop_gimplify_context): Adjust for above change.
1105 (gimple_add_tmp_var): Likewise.
1106 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1108 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1109 (convert_local_reference): Likewise.
1110 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1111 (finalize_nesting_tree_1): Request that debug info be emitted
1112 for debug_var_chain.
1114 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1116 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1117 for PR target/27863.
1119 2006-06-13 Richard Guenther <rguenther@suse.de>
1122 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1124 2006-06-13 Richard Guenther <rguenther@suse.de>
1126 PR tree-optimization/27830
1127 * tree-inline.c (copy_body_r): For copying the operand
1128 of an ADDR_EXPR make sure to fold &* afterwards.
1130 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1132 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1133 lvalues in the fb_none case with side-effects.
1135 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1137 * tree-flow.h: Remove the prototype for
1138 compute_phi_arg_on_exit.
1139 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1140 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1143 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1145 * builtins.c (expand_builtin_return_addr): Only use
1146 frame_pointer_rtx when count == 0 and we are expanding
1147 __builtin_return_address.
1149 2006-06-12 Fred Fish <fnf@specifix.com>
1151 * config/mips/mips.c (mips_file_start): Create special section
1152 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1154 2006-06-11 Eric Christopher <echristo@apple.com>
1157 * stor-layout.c (place_field): Remove check for
1158 remaining_in_alignment when aligning at the end of a run.
1160 2006-06-11 Eric Christopher <echristo@apple.com>
1163 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1166 2006-06-11 Roger Sayle <roger@eyesopen.com>
1169 Revert incorrect fix for PR target/27158
1170 2006-05-08 Roger Sayle <roger@eyesopen.com>
1171 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1172 of a reg_equiv_constant if the result is a legitimate constant.
1174 2006-06-11 Roger Sayle <roger@eyesopen.com>
1177 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1178 extract a CONST_VECTOR element and interpret it as an integer.
1179 (vspltis_constant): Use const_vector_elt_as_int instead of the
1180 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1181 * config/rs6000/predicates.md (easy_vector_const): Consider
1182 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1184 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1187 * stor-layout.c (update_alignment_for_field): Don't add extra
1188 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1191 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1193 * config/mips/t-rtems: Add EL/EB multilib variants.
1195 2006-06-09 Mike Stump <mrs@apple.com>
1197 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1199 2006-06-09 David Daney <ddaney@avtrex.com>
1201 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1203 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1205 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1207 2006-06-09 Richard Guenther <rguenther@suse.de>
1209 PR tree-optimization/26998
1210 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1211 of signed types, only TYPE_MIN_VALUE is special, but for both,
1212 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1213 in this case, as is -fwrapv.
1215 2006-06-08 Mike Stump <mrs@apple.com>
1218 * config/darwin.c (darwin_asm_output_anchor): Disable
1219 -fsection-anchors on darwin for now.
1220 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1221 * rs6000/rs6000.c (optimization_options): Likewise.
1223 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1226 * config/i386/i386.c (classify_argument): Skip fields with invalid
1229 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1231 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1232 (cse_insn): Likewise for the stack_pointer_rtx.
1234 2006-06-08 Roger Sayle <roger@eyesopen.com>
1236 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1237 conditions from floating point comparisons.
1239 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1242 * expmed.c (struct alg_hash_entry): Fix type of field T
1243 to match synth_mult argument.
1244 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1246 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1249 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1252 2006-06-08 Richard Guenther <rguenther@suse.de>
1255 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1256 only, if overflow is defined and not trapping.
1257 (negate_expr): Likewise.
1259 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1261 PR tree-optimization/27872
1262 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1263 flag on the new exit edge of the unrolled loop.
1265 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1267 PR rtl-optimization/26449
1268 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1270 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1273 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1274 referenced_variables with matching DECL_UID's.
1275 (find_referenced_vars): Make sure duplicate list is empty to start.
1276 (referenced_var_p): Remove.
1277 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1278 Check if var is in the list, and add if needed. Update the duplicate
1279 list if a different var is in the list with the same DECL_UID.
1280 (add_referenced_var): Call routine to check and insert.
1281 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1282 * tree-flow.h (referenced_vars_dup_list): External declaration.
1284 2006-06-07 Fred Fish <fnf@specifix.com>
1286 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1289 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1292 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1293 the imaginary and real parts of a clobbered register.
1294 Emit insn to set the imaginary part.
1296 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1298 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1299 in lieu of unwind-dw2-fde.c.
1301 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1303 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1305 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1308 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1309 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1310 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1311 V4SImode temporaries and operations instead.
1313 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1315 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1318 2006-06-06 Mike Stump <mrs@apple.com>
1320 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1321 installing during build.
1323 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1325 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1327 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1328 * config/ia64/ia64.c (params.h): New header.
1329 (ia64_optimization_options): New function to adjust parameters.
1330 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1331 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1332 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1334 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1336 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1338 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1341 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1343 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1344 Victor Kaplansky <victork@il.ibm.com>
1346 PR tree-optimization/26360
1347 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1350 2006-06-04 Roger Sayle <roger@eyesopen.com>
1351 Andrew Pinski <pinskia@physics.uc.edu>
1354 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1355 for LABEL_DECL before calling DECL_WEAK.
1358 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1359 LABEL_DECL and PARM_DECL.
1361 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1365 * c-decl.c (grokdeclarator): Disallow variably modified types at
1366 file scope. Avoid marking shared array type of constant size as
1369 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1372 * c-common.c (fold_offsetof_1): Handle static members.
1374 2006-06-04 Eric Christopher <echristo@apple.com>
1376 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1377 (debug_rli): Output value for remaining_in_alignment.
1378 (update_alignment_for_field): Unconditionalize
1379 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1380 extra alignment code.
1381 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1382 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1383 * tree.h (record_layout_info_s): Remove prev_packed.
1384 * doc/extend.texi (ms_struct): Add documentation of format.
1386 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1388 * tree.h: Declare folding_initializer.
1389 * builtins.c (fold_builtin_constant_p): Give definite answer
1390 if folding inside an initializer.
1391 * fold-const.c: Define folding_initializer.
1392 (START_FOLD_INIT): Save and then set folding_initializer.
1393 (END_FOLD_INIT): Restore folding_initializer.
1395 2006-06-04 Richard Guenther <rguenther@suse.de>
1397 PR tree-optimization/27039
1398 * fold-const.c (fold_comparison): Handle pointer comparison
1399 again for all comparison codes. Compare offsets in signed
1401 (fold_binary): Move code from here.
1403 2006-06-03 Roger Sayle <roger@eyesopen.com>
1406 * config/i386/i386.c (construct_container): Split static issued_error
1407 flag into issued_sse_arg_error, issued_sse_ret_error and
1408 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1409 requires the use of x87 registers and the user explicitly
1410 specified the -mno-80387 command line option.
1412 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1414 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1415 HAVE_DECL_SIGALTSTACK.
1417 (segv_handler): Use MC_FLD.
1418 * configure.ac: Check for a sigaltstack declaration.
1419 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1420 * configure: Regenerate.
1421 * config.in: Regenerate.
1423 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1426 * Makefile.in (stmp-fixinc): Fix typo.
1428 2006-06-02 Roger Sayle <roger@eyesopen.com>
1430 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1431 are type correct. Clean-up.
1432 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1433 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1435 2006-06-01 DJ Delorie <dj@redhat.com>
1437 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1438 shift, as we've disabled the "switch" insn that needs it.
1440 2006-06-01 Per Bothner <bothner@bothner.com>
1442 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1443 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1444 * c-ppoutput.c (cb_define): Don't increment line 0.
1446 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1448 * doc/invoke.texi: Add cpu_type power6.
1449 * config.gcc: Add cpu_type power6.
1450 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1451 to power5+ with Altivec.
1452 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1453 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1455 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1457 * config/avr/avr.h (SET_ASM_OP): Define.
1459 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1461 * config/bfin/bfin.c: Fix comment typos.
1463 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1466 * doc/install.texi: Document --enable-bootstrap and
1467 --disable-bootstrap.
1469 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1471 * doc/install.texi: Document that InfoZIP can replace jar.
1473 2006-05-31 Roger Sayle <roger@eyesopen.com>
1475 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1476 isn't available, directly generate the simpler x87 patterns without
1477 the (use (const_int 0)).
1478 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1479 implementation isn't available.
1480 (*negdf2_1): Likewise.
1481 (*negxf2_1): XF mode negation is always done using the x87.
1482 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1484 2006-05-31 Roger Sayle <roger@eyesopen.com>
1486 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1487 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1489 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1491 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1493 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1494 * config/bfin/bfin.c (basic-block.h): Include.
1495 (struct machine_function): New.
1496 (bfin_init_machine_status): New.
1497 (override_options): Initialize init_machine_status.
1498 (bfin_hardware_loop): New.
1499 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1500 (DEF_VEC_P (loop_info)): New.
1501 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1502 (struct loop_info): New.
1503 (loop_info): New typedef.
1504 (struct loop_work): New.
1505 (loop_work): New typedef.
1506 (DEF_VEC_O (loop_work)): New.
1507 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1508 (bfin_dump_loops): New.
1509 (bfin_bb_in_loop): New.
1510 (bfin_scan_loop): New.
1511 (bfin_optimize_loop): New.
1512 (bfin_reorg_loops): New.
1513 (bfin_reorg): Use bfin_reorg_loops.
1514 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1516 (I_REGNO_P): Simplify.
1517 (DP_REGNO_P, DPREG_P): New macros.
1518 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1519 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1520 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1521 Add LT_REGS, LC_REGS, LB_REGS.
1522 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1524 (REGNO_REG_CLASS): Deal with loop registers.
1525 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1527 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1528 New constants for loop registers.
1529 (UNSPEC_LSETUP_END): New.
1530 (seq_insns): New define_attr. Set it for appropriate insns.
1531 (movsi_insn): Add alternatives for move from/to
1532 loop count registers.
1533 (doloop_end): New define_expand.
1534 (loop_end): New define_insn.
1535 (define_split for bad doloop_end): New.
1536 (lsetup_with_autoinit): New define_insn.
1537 (lsetup_without_autoinit): New define_insn.
1538 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1539 * config/bfin/predicates.md (lc_register_operand): New.
1540 (lt_register_operand): New.
1541 (lb_register_operand): New.
1542 (nondp_register_operand): New.
1543 (nondp_reg_or_memory_operand): New.
1544 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1546 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1548 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1549 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1551 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1553 * Makefile.in (CATALOGS): Add po/ prefix.
1554 * configure: Regenerated.
1556 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1559 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1560 a shift operand before calling shift_op. Avoid redundant call of
1563 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1564 DJ Delorie <dj@redhat.com>
1566 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1567 we're inserting is a singlt-bit constant.
1569 2006-05-30 Roger Sayle <roger@eyesopen.com>
1571 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1572 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1574 2006-05-30 Roger Sayle <roger@eyesopen.com>
1576 PR tree-optimization/23452
1577 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1578 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1579 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1580 complex values and with -ffast-math for FP complex values.
1582 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1584 * c-common.h: Remove the prototype for yyparse.
1585 * rtl.h: Remove the prototype for init_loop.
1587 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1589 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1592 2006-05-30 Roger Sayle <roger@eyesopen.com>
1594 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1596 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1597 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1599 2006-05-30 Dirk Mueller <dmueller@suse.de>
1602 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1603 for CONSTANT_CLASS_P expresisons.
1605 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1608 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1610 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1612 PR tree-optimization/27779
1613 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1614 initial_condition instead of CHREC_LEFT.
1616 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1618 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1619 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1620 Make prototypes ISO C90.
1622 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1623 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1625 * see.c (see_analyze_one_def): Correct check.
1626 (see_get_extension_data): Check if extension is parallel.
1627 (see_get_extension_reg): Likewise.
1629 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1632 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1633 into register for (code == GTU).
1635 2006-05-29 Roger Sayle <roger@eyesopen.com>
1637 PR tree-optimization/24964
1638 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1639 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1640 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1641 abs(x)*abs(x) as x*x for scalar floating point modes.
1643 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1646 * lambda-code.c (perfect_nestify): Don't copy statements
1647 in the inner loop: move them to the inner loop header.
1649 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1652 * c-tree.texi: Document OpenMP directives and clauses.
1654 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1656 * varasm.c (globalize_decl): Fix indentation.
1658 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1661 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1662 pass_fre, pass_store_ccp, pass_copy_prop,
1663 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1664 pass_return_slot, pass_object_size, pass_lim,
1665 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1666 pass_loop_prefetch and pass_stdarg.
1668 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1670 * config/bfin/bfin.opt (mfdpic): New option.
1671 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1672 (EXTRA_MULTILIB_PARTS): Likewise.
1673 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1674 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1676 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1677 (CRT_CALL_STATIC_FUNCTION): New.
1678 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1680 (CRT_CALL_STATIC_FUNCTION): New.
1681 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1683 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1684 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1685 (initialize_trampoline): Changed to handle FD-PIC code generation.
1686 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1687 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1688 (override_options): Disallow -mid-shared-library -mfdpic combination.
1689 Can't do unaligned ops if FD-PIC.
1690 Turn off flag_pic if trying to generate non-id-shared-library
1691 non-fdpic code, since it's not supported.
1692 (bfin_assemble_integer): New function.
1693 (TARGET_ASM_INTEGER): Define.
1694 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1696 * config/bfin/crtn.s: Restore them.
1697 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1699 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1700 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1701 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1702 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1703 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1705 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1706 FDPIC_REGS and FDPIC_FPTR_REGS.
1707 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1708 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1709 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1710 (load_funcdescsi): New pattern.
1711 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1712 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1713 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1715 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1717 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1720 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1722 * tree-flow.h: Remove the prototype for add_type_alias.
1723 * tree-ssa-alias.c (add_type_alias): Remove.
1725 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1727 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1728 config/fr30/fr30.md, config/i386/i386-interix.h,
1729 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1730 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1731 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1732 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1733 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1734 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1735 Follow spelling conventions.
1736 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1737 Follow spelling conventions.
1739 2006-05-27 Richard Guenther <rguenther@suse.de>
1742 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1743 to produce a constant of value 1 of generic type.
1745 2006-05-27 Dirk Mueller <dmueller@suse.de>
1747 * cgraphunit.c (decide_is_function_needed): Fix wrong
1750 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1752 PR rtl-optimization/27661
1753 * reload.c (find_reloads): When reloading a VOIDmode constant
1754 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1755 use Pmode as mode of the reload register.
1757 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1759 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1760 is enabled at -O and above.
1762 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1765 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1768 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1771 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1772 for anonymous variables explicitly declared by front ends.
1774 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1776 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1777 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1778 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1779 ref-all pointers, run a finalization pass for them.
1780 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1781 (finalize_ref_all_pointers): New function.
1782 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1783 regular pointer type to a ref-all pointer type.
1784 (get_tmt_for): Return the special memory tag for ref-all pointers.
1786 2006-05-25 Richard Guenther <rguenther@suse.de>
1789 * fold-const.c (fold_binary): Do not look at the stripped
1790 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1792 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1794 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1795 for LT and GT if the computed range is effectively empty.
1797 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1800 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1801 mips_quad_format formats instead of ieee_single_format,
1802 ieee_double_format and ieee_quad_format formats, respectively.
1804 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1806 PR tree-optimization/27639
1807 PR tree-optimization/26719
1808 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1809 call to scev_probably_wraps_p.
1810 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1811 used_in_pointer_arithmetic_p, convert_step): Removed.
1812 (nowrap_type_p): New function.
1813 (scev_probably_wraps_p): Rewritten.
1814 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1815 chrec_convert if chrec_convert_aggressive might have been used.
1816 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1817 scev_direction): New functions.
1818 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1819 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1820 instead of convert_step.
1821 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1822 (convert_step): Declaration removed.
1823 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1825 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1827 * df-core.c: Added to header comments.
1828 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1829 df_ur_bb_info, df_urec_bb_info): Added comments.
1830 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1831 urec, ri problems): Fixed header comments.
1832 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1833 code from df_rd_transfer_function.
1835 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1837 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1838 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1839 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1841 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1843 * expr.c (undefined_operand_subword_p): New.
1844 (emit_move_multi_word): Do not generate move from undefined bits
1845 of a paradoxical subreg.
1847 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1849 PR rtl-optimization/27736
1850 * combine.c (replaced_rhs_value): New variable.
1851 (combine_instructions): Set it.
1852 (distribute_notes): When distributing a note in replaced_rhs_insn,
1853 check whether the value was used in replaced_rhs_value.
1855 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1858 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1859 add_referenced_var instead of add_referenced_tmp_var.
1860 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1861 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1863 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1864 tree_optimize_tail_calls_1): Use add_referenced_var.
1865 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1866 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1867 Use add_referenced_var.
1868 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1869 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1870 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1871 Use add_referenced_var.
1872 * tree-dfa.c (struct walk_state): Remove.
1873 (find_referenced_vars): Remove walk state and vars_found hash table.
1874 (make_rename_temp): Use add_referenced_var.
1875 (find_vars_r): Pass less parameters to add_referenced_var.
1876 (referenced_var_p): New. Is var in referenced_var hash table.
1877 (referenced_var_insert): Assert var isn't already in hash table.
1878 (add_referenced_var): Don't need walk_state parameter. Add var if it
1879 isn't already in the hash table.
1880 (add_referenced_tmp_var): Remove.
1881 (find_new_referenced_vars_1): Use add_referenced_var.
1882 * tree-ssa-pre.c (create_expression_by_pieces,
1883 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1884 Use add_referenced_var.
1885 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1886 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1887 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1889 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1890 vect_create_data_ref_ptr, vect_create_destination_var,
1891 vect_init_vector, vect_build_loop_niters,
1892 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1893 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1894 Use add_referenced_var.
1895 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1896 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1897 (add_referenced_var): Add prototype.
1898 * tree-ssa-structalias.c (get_constraint_for,
1899 intra_create_variable_infos): Use add_referenced_var.
1901 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1903 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1904 big-endian paradoxical subregs.
1905 * var-tracking.c (struct micro_operation_def): Document that,
1906 for modify micro operations, insn is the subsequent instruction.
1907 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1908 (var_reg_set, var_mem_set): ... new functions.
1909 (add_stores): Record subsequent insn.
1910 (compute_bb_dataflow): Use new functions for MO_USE.
1911 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1912 notes after the insn, and modify notes before the insn known
1913 to be the subsequent one.
1914 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1916 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1919 * config/i386/i386.c (ix86_expand_builtin): Use
1920 gen_sse3_monitor64 for TARGET_64BIT.
1922 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1924 PR rtl-optimization/26375
1925 PR rtl-optimization/26855
1926 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1928 (df_ru_bb_local_compute): Reversed statements and removed bogus
1929 comment explaining why they should be in wrong order.
1930 (df_ru_dump, df_rd_dump): Enhanced debug info.
1931 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1933 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1934 reaching uses and fixed space problem.
1936 2006-05-23 Jan Hubicka <jh@suse.cz>
1938 * cgraphunit.c (decide_is_function_needed): Also nested functions
1939 and functions declared inline can be optimized out at -O0.
1941 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1943 * doc/install.texi (Configuration): Remove reference to CrossGCC
1947 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1950 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1951 ix86_compare_emitted is non-NULL.
1953 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1956 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1959 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1961 PR rtl-optimization/25514
1962 * combine.c (replaced_rhs_insn): New variable.
1963 (combine_instructions): Set replaced_rhs_insn when trying to replace
1964 a SET_SRC with a REG_EQUAL note.
1965 (distribute_notes): Use replaced_rhs_insn when determining the live
1966 range of a REG_DEAD register.
1968 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1969 Anatoly Sokolov <aesok@post.ru>
1971 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1972 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1973 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1974 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1975 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1976 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1977 at90usb647, at90usb1286 and at90usb1287 devices.
1978 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1979 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1981 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1983 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1985 2006-05-22 Richard Guenther <rguenther@suse.de>
1988 2006-01-31 Richard Guenther <rguenther@suse.de>
1989 Paolo Bonzini <bonzini@gnu.org>
1991 * doc/install.texi (--disable-libgcc-math): Document.
1993 2006-05-22 Richard Guenther <rguenther@suse.de>
1996 2006-01-31 Richard Guenther <rguenther@suse.de>
1998 * doc/invoke.texi (-msselibm): Document.
1999 * target.h (expand_library_builtin): New target hook.
2000 * builtins.c (expand_builtin): Use expand_library_builtin.
2001 (default_expand_library_builtin): New function.
2002 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2003 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2004 (link_gcc_math_spec): Declare.
2005 (static_specs): Add link_gcc_math_spec.
2006 * expr.h (default_expand_library_builtin): Declare.
2007 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2008 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2009 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2010 * config/i386/i386.opt (msselibm): New target option.
2011 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2012 (ix86_init_sse_abi_builtins): New function.
2013 (ix86_expand_library_builtin): Likewise.
2014 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2015 (override_options): Handle error conditions wrt -msselibm.
2016 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2017 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2018 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2021 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2024 * c-common.c (self_promoting_args_p): Skip erroneous args.
2027 * c-decl.c (finish_struct): Skip erroneous fields.
2029 2006-05-22 Nick Clifton <nickc@redhat.com>
2031 * config/cris/cris.opt (march): Remove VarExists attribute.
2032 (max-stackframe=): Likewise.
2034 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2036 * doc/rtl.texi: Fix a typo.
2037 * see.c: Fix comment typos.
2039 * tree-ssa-structalias.h (alias_info): Remove num_references.
2041 2006-05-21 Mike Stump <mrs@apple.com>
2043 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2045 (darwin_pragma_options): Use BAD instead.
2046 (darwin_pragma_unused): Likewise.
2047 (darwin_pragma_ms_struct): Likewise.
2049 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2051 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2053 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2055 PR rtl-optimization/27671
2056 * simplify-rtx.c (simplify_relational_operation_1): Fix
2057 simplifications of (eq/ne (xor x y) y) and
2058 (eq/ne (xor x y) x).
2060 PR tree-optimization/26622.
2061 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2064 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2066 * tree-cfg.c: Prune whitespace.
2067 (debug_tree_cfg): Point to correct header containing the
2070 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2073 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2075 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2078 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2079 or sorry count is non zero.
2081 2006-05-20 Andreas Schwab <schwab@suse.de>
2083 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2085 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2086 Kenneth Zadeck <zadeck@naturalbridge.com>
2088 PR rtl-optimization/26855
2090 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2092 (df_scan_alloc): Added code to properly handle multiword hard
2093 registers and add all_blocks parameter.
2094 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2095 code to properly handle multiword hard registers.
2096 (df_rescan_blocks): Added code to remove deleted blocks from
2098 (df_ref_create_structure, df_ref_record): Added code to properly
2100 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2101 and set DF_REF_PARTIAL.
2102 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2103 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2104 (df_scan_add_problem): Added flags parameter.
2105 (df_ref_create_structure): Changed switching structure.
2106 (df_bb_refs_record): Fixed case where duplicate artificial refs
2107 were created. Changed location of flags.
2108 (df_record_entry_block_defs): Added code to make stack pointer
2109 live in entry block. Refined cases where frame pointer is needed.
2110 Changed location of flags.
2111 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2112 (df_set_state): Removed function.
2113 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2114 df_insn_create_insn_record, df_insn_refs_delete,
2115 df_ref_create_structure): Formatting changes.
2116 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2117 df_delete_basic_block): New function.
2118 (df_init): Changed location of flags.
2119 (df_add_problem): Added flags parameter and the way flags are
2121 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2122 debug_df_chain): Improved debugging output.
2123 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2124 (df_refs_chain_dump): Removed df parameter.
2125 (df_iterative_dataflow): Added consistency check.
2126 (df_prune_to_subcfg): Made public.
2127 (df_analyze_problem): Added blocks_to_init parameter and made
2129 (df_ref_record, df_bb_refs_record, df_mark_reg,
2130 df_record_exit_block_uses): Whitespace changes.
2131 (df_dump): Whitespace changes.
2132 * df.h: Some reordering to remove forward references.
2133 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2134 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2135 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2136 (dataflow.flags): New field.
2137 (df.flag): Deleted field.
2138 (df_alloc_function): Added additional bitmap parameter.
2139 (df_dependent_problem_function): New type.
2140 (df_problem.changeable_flags): New field.
2141 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2142 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2143 (df_mw_hardreg): New struct.
2144 (DF_INSN_UID_MWS): New macro.
2145 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2147 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2148 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2149 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2150 (df_set_state): Removed function.
2151 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2152 * df-problems.c (df_chain_dump): Removed df parameter.
2153 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2154 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2156 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2157 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2158 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2159 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2160 DF_REF_MUST_CLOBBER cases.
2161 (df_ru_bb_local_compute_process_def,
2162 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2163 df_lr_bb_local_compute, df_ur_bb_local_compute,
2164 df_chain_create_bb): Made subreg aware.
2165 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2166 df_lr_bb_local_compute, df_lr_bb_local_compute,
2167 df_chain_create_bb): Cleanup to use proper macros.
2168 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2169 code to fixup bitvectors.
2170 (df_ri_alloc): Cleared lifetime.
2171 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2172 df_create_unused_note): New function.
2173 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2174 REG_DEAD and REG_UNUSED notes as well as register information.
2175 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2176 df_chains_dump): Fixed crash if problem was never run.
2177 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2178 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2179 df_ri_add_problem): Processes flags in uniform manner.
2180 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2181 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2182 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2183 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2184 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2185 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2186 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2187 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2188 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2189 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2190 * see.c (see_initialize_data): Ditto.
2191 * final.c (rest_of_clean_state) Added regstack_completed.
2192 * rtl.h (regstack_completed): Ditto.
2193 * reg-stack.c (regstack_completed): Ditto.
2195 2006-05-19 Mike Stump <mrs@apple.com>
2197 * c-tree.h (default_conversion): Remove.
2198 * c-common.h (default_conversion): Add.
2200 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2202 * tree-vrp.c (valid_value_p): New function.
2203 (adjust_range_with_scev): Fail if the value of bound is not
2206 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2208 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2209 (mips_fallback_frame_state): Use syscall numbers to determine
2210 the appropriate li instruction for the current ABI. Only use
2211 __NR_sigreturn for o32.
2213 2006-05-19 Nicolas Setton <setton@adacore.com>
2215 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2216 * langhooks.c (lhd_dwarf_name): New function.
2217 * langhooks-def.h (lhd_dwarf_name): Declare.
2218 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2219 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2220 * ada/misc.c (gnat_dwarf_name): New function.
2221 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2223 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2225 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2227 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2228 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2229 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2230 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2231 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2232 determine the size of Wtype, etc.
2233 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2234 (swfloatfuncs): New variable.
2235 (dwfloatfuncs): Likewise.
2236 (lib2funcs): Remove floating-point conversion functions from
2237 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2238 the set of conversion routines needed. Allow entries to specify
2239 an object name, filename and word size. Update users accordingly.
2240 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2241 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2245 2006-02-08 Roger Sayle <roger@eyesopen.com>
2248 * config/fixtfdi.c: New libgcc source file.
2249 * config/fixunstfdi.c: New source file.
2250 * config/floatditf.c: New source file.
2251 * config/floatunditf.c: New souce file.
2252 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2253 files above instead of config/mips/_tilib.c.
2254 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2256 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2258 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2259 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2261 2006-05-18 Mike Stump <mrs@apple.com>
2263 Fix up vla, vm and [*] sematics.
2269 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2270 (c_vla_unspec_p): Add.
2271 (c_vla_type_p): Add.
2272 * c-decl.c (struct c_scope): Add had_vla_unspec.
2273 (build_array_declarator): Add support for [*].
2274 (grokdeclarator): Likewise.
2275 (grokparms): Likewise.
2276 (get_parm_info): Likewise.
2277 * c-objc-common.c (c_vla_unspec_p): Likewise.
2278 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2279 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2280 typeof when argument is a variably modified type not inside sizeof or alignof.
2281 (c_parser_direct_declarator_inner): Propagate errors.
2282 (c_parser_sizeof_expression): Add support for [*].
2283 (c_parser_parms_declarator): Initialize had_vla_unspec.
2284 (c_parser_parms_list_declarator): Likewise.
2285 * c-typeck.c (c_vla_type_p): Add.
2286 (composite_type): Add support for vla compositing.
2287 (comptypes_internal): Add support for vla compatibility.
2288 (c_expr_sizeof_expr): Evaluate vla arguments.
2289 * tree.c (variably_modified_type_p): Update comment for [*].
2291 2006-05-18 Michael Matz <matz@suse.de>
2294 * config.host: Make assignments to host_xmake_file cumulative.
2295 * config.host (*-darwin*): Test $host, not $target.
2297 2006-05-12 Stuart Hastings <stuart@apple.com>
2299 * config/i386/i386.opt (-mstackrealign): New flag.
2300 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2301 (ix86_handle_cconv_attribute): Emit error when
2302 force_align_arg_pointer attribute collides with too many regparms.
2303 (ix86_function_regparm): Limit regparms when used with
2304 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2305 Support stack-realigning prologue in non-main functions. Emit
2306 warning for nested functions under -mstackrealign, emit error for
2307 nested functions with force_align_arg_pointer attribute.
2308 * doc/extend.texi (force_align_arg_pointer): Document it.
2309 * doc/invoke.texi (-mstackrealign): Document it.
2311 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2313 PR rtl-optimization/27477
2314 * combine.c (try_combine): Don't split a parallel consisting
2315 of two sets into two individual sets if both sets reference
2318 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2320 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2321 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2323 * doc/options.texi (VarExists): Updated.
2325 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2327 * unwind-dw2.c: Add declarations for uw_update_context and
2329 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2330 detected, advance frame state and context once to skip over stub.
2332 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2336 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2337 Call rewrite_into_loop_closed_ssa only when something changed.
2338 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2339 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2340 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2341 Test for perfect_nest_p here. Fix formating.
2342 (replace_uses_equiv_to_x_with_y): Fix formating.
2343 (stmt_uses_op): Removed.
2344 (can_convert_to_perfect_nest): Removed loopivs parameter.
2345 Complete the test by checking the scalar dependences.
2346 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2349 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2352 From Dan Kegel <dank@kegel.com>:
2353 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2355 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2357 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2358 if the element type is variably modified without recursing.
2360 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2363 * tree-loop-linear.c (try_interchange_loops): Test for
2364 no data dependences.
2366 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2368 PR tree-optimization/27548
2369 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2370 range of ssa names that appear on abnormal edges.
2371 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2372 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2374 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2377 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2379 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2382 * tree.h (OMP_PARALLEL_COMBINED): Define.
2383 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2384 (new_omp_context): Add is_combined_parallel argument.
2385 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2386 new_omp_context caller.
2387 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2388 Adjust gimplify_scan_omp_clauses callers.
2389 (omp_is_private): Issue errors if iteration variable is firstprivate
2390 or reduction in the current context.
2391 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2392 on combined parallel workshare constructs.
2394 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2396 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2397 (gcc-options.o): New rule.
2399 * optc-gen.awk: Protect variables for gcc-options.o with
2400 #ifdef GCC_DRIVER/#endif.
2402 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2404 Fix PR tree-optimization/27373
2405 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2406 (forward_propagate_addr_expr): Update call.
2408 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2410 * doc/options.texi: Move the Negative option.
2412 2006-05-16 Richard Guenther <rguenther@suse.de>
2414 PR tree-optimization/22303
2415 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2417 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2418 ccp_fold did not simplify the statement.
2420 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2423 * Makefile.in (GCC_OBJS): New.
2424 (OBJS-common): Add opts-common.o.
2425 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2426 (cpp$(exeext)): Likewise.
2427 (gcc.o): Also depend on opts.h.
2428 (opts-common.o): New.
2430 * common.opt (gcoff): Add Negative(gdwarf-2).
2431 (gdwarf-2): Add Negative(gstabs).
2432 (gstabs): Add Negative(gstabs+).
2433 (gstabs+): Add Negative(gvms).
2434 (gvms): Add Negative(gxcoff).
2435 (gxcoff): Add Negative(gxcoff+).
2436 (gxcoff+): Add Negative(gcoff).
2437 * config/i386/i386.opt (m32): Add Negative(m64).
2438 (m64): Add Negative(m32).
2440 * doc/options.texi: Document the Negative option.
2442 * gcc.c: Include "opts.h".
2443 (main): Call prune_options after expandargv.
2445 * optc-gen.awk: Generate common declarations for all flag
2446 variables in options.c. Output the neg_index field.
2448 * opts.c (find_opt): Moved to ...
2449 * opts-common.c: Here. New file.
2451 * opts.h (cl_option): Add a neg_index field.
2453 (prune_options): Likewise.
2455 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2458 * omp-low.c (expand_omp_parallel): Don't assert
2459 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2460 instead search for it.
2463 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2466 2006-05-16 Andreas Schwab <schwab@suse.de>
2468 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2471 2006-05-15 Roger Sayle <roger@eyesopen.com>
2474 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2475 integer constants other than zero are only legitimate on TARGET_64BIT.
2476 <CONST_VECTOR> Only zero vectors are legitimate.
2477 (ix86_cannot_force_const_mem): Integral and vector constants can
2478 always be put in the constant pool.
2480 2006-05-16 DJ Delorie <dj@redhat.com>
2482 * crtstuff.c (__dso_handle): Set section from
2483 TARGET_LBIGCC_SDATA_SECTION if defined.
2484 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2485 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2487 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2490 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2493 2006-05-16 Ben Elliston <bje@au.ibm.com>
2495 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2497 2006-05-15 Per Bothner <per@bothner.com>
2499 * tree.c: (last_annotated_node): Use source_locus typedef.
2500 This permits bootstrapping with --enable-mapped-location.
2502 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2504 PR tree-optimization/26830
2505 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2506 (info_for_ssa_name, current_info_for_ssa_name_age,
2507 blocks_to_update): New variables.
2508 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2509 (clear_ssa_name_info, initialize_flags_in_bb,
2510 mark_block_for_update): New functions.
2511 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2512 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2513 prepare_def_site_for): Use mark_block_for_update.
2514 (mark_def_interesting): Assert that the processed block is marked in
2515 blocks_to_update. Do not take blocks argument.
2516 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2518 (rewrite_update_init_block, rewrite_update_stmt): Only process
2519 blocks with statements to rewrite.
2520 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2521 (update_ssa): Initialize and free blocks_to_update. Do not
2522 clear flags on statements. Do not use blocks bitmap.
2523 * tree.h (SSA_NAME_AUX): Removed.
2524 (struct tree_ssa_name): Removed aux field.
2525 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2527 2006-05-15 Richard Guenther <rguenther@suse.de>
2529 PR tree-optimization/27603
2530 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2531 Do computations in original type.
2533 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2535 * see.c: Code style changes such as redundant paranthesis,
2536 redundant intialization of local variables etc.
2537 (see_main): Declared now as static.
2538 * doc/invoke.texi: Update that -fsee is not enabled by
2541 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2543 * omp-low.c (check_omp_nesting_restrictions): New function.
2544 (scan_omp_1): Call it.
2547 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2548 construct, return *VAR.
2550 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2552 PR rtl-optimization/27406
2553 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2556 2006-05-14 Roger Sayle <roger@eyesopen.com>
2558 PR rtl-optimization/27538
2559 * combine.c (expand_compound_operation): Call gen_lowpart
2560 before calling simplify_shift_const.
2562 2006-05-14 Roger Sayle <roger@eyesopen.com>
2564 PR rtl-optimization/22563
2565 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2566 a fixed width bitfield, always force the intermediates into psuedos.
2568 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2571 * mkconfig.sh: Use operator = instead of == for test.
2573 2006-05-13 Nick Clifton <nickc@redhat.com>
2575 * dwarf2out.c (dbx_reg_number): Check return value from
2576 LEAF_REG_REMAP and only use it if it is valid.
2577 (multiple_reg_loc_descriptor): Likewise.
2579 2006-05-13 Richard Guenther <rguenther@suse.de>
2581 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2584 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2586 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2587 information attached to non-INSNs such as NOTEs.
2588 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2590 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2592 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2594 * config/s390/s390.md: Adjust comment describing On constraint.
2596 2006-05-11 Jan Hubicka <jh@suse.cz>
2598 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2599 to be output at -O0.
2601 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2604 * fold-const.c (size_binop): Move sanity check for arguments to
2605 the beginning of the function.
2608 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2611 2006-05-11 Richard Guenther <rguenther@suse.de>
2614 * fold-const.c (fold_unary): Handle intermediate conversion
2615 to a pointer type like intermediate conversion to an integer
2616 type in folding of (T1)(T2)var to var.
2617 Match the code to the comment in the final conversion for
2618 (T1)(T2)var to (T1)var regarding to type precision. Rather
2619 than disallow T1 being of pointer type, assert that both T1
2620 and var are of pointer type or not. Make sure not to fall
2621 over the frontends lazyness wrt array to pointer decay though.
2623 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2625 * arm.c (arm_struct_value_rtx): Delete.
2626 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2627 (arm_init_cumulative_args): Always initialize nregs to zero.
2629 2006-05-10 Richard Guenther <rguenther@suse.de>
2631 PR tree-optimization/27532
2632 * tree-object-size.c (plus_expr_object_size): Fix typo.
2634 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2637 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2638 ashrdi_const, ashrdi3): Use a scratch register.
2640 2006-05-10 Richard Guenther <rguenther@suse.de>
2642 PR tree-optimization/27302
2643 * fold-const.c (operand_equal_p): For two comparisons,
2644 try comparison of one comparison code swapped if that yields
2647 2006-05-10 Ben Elliston <bje@au.ibm.com>
2649 * tree-pretty-print.c (pretty_print_string): No need to handle
2650 '\0' as a special character.
2652 * tree.h: Include "hashtab.h".
2653 (iterative_hash_expr): Use hashval_t in its prototype.
2654 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2656 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2659 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2660 (hppa*64*-*-hpux11*): Ditto.
2661 (hppa[12]*-*-hpux11*): Ditto.
2663 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2666 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2668 2006-05-09 Michael Matz <matz@suse.de>
2670 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2671 host_extra_gcc_objs and host_xmake_file.
2672 (<*-*-linux*>): Don't overwrite host_xmake_file.
2673 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2674 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2675 (host_detect_local_cpu): Declare.
2676 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2677 * config/i386/i386.c (override_options): Handle -mtune=native
2679 * config/i386/x-i386: New file.
2680 * config/i386/driver-i386.c: New file.
2681 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2684 2006-05-09 Dirk Mueller <dmueller@suse.de>
2685 Richard Guenther <rguenther@suse.de>
2688 * fold-const.c (fold_read_from_constant_string): Relax check
2689 for matching types to matching modes.
2691 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2693 PR rtl-optimization/27335
2694 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2697 2006-05-08 Chao-ying Fu <fu@mips.com>
2698 Richard Sandiford <richard@codesourcery.com>
2700 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2701 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2702 * config/mips/mips.md (UNSPEC_SCC): New constant.
2703 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2704 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2705 (mips_emit_compare): Use it.
2706 (mips_expand_vcondv2sf): New function.
2708 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2710 Fix PR tree-optimization/27093
2711 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2712 renaming when they become not-used_alone.
2714 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2716 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2717 relocation and relocation stubs.
2719 2006-05-08 Eric Christopher <echristo@apple.com>
2721 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2724 2006-05-08 Jan Hubicka <jh@suse.cz>
2727 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2728 unused static functions are needed.
2730 2006-05-08 Roger Sayle <roger@eyesopen.com>
2733 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2734 of a reg_equiv_constant if the result is a legitimate constant.
2736 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2739 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2740 standard 80387 constants, raise the cost to prevent
2741 compress_float_constant() to generate load from memory.
2743 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2745 * config/arm/constraints.md (c): Fix a typo.
2747 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2750 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2753 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2755 (_mm_mwait): Likewise.
2757 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2759 (sse3_monitor): Make it 32bit only.
2760 (sse3_monitor64): New. 64bit monitor.
2762 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2765 * config/i386/i386.c (classify_argument): Skip fields with invalid
2768 2006-05-07 Richard Guenther <rguenther@suse.de>
2770 PR tree-optimization/27409
2771 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2772 Do not try to find zero-sized subvars.
2774 2006-05-07 Richard Guenther <rguenther@suse.de>
2776 PR tree-optimization/27136
2777 * tree-ssa-loop-niter.c (get_val_for): Correct function
2778 comment, assert requirements.
2779 (loop_niter_by_eval): Stop processing if the iterated
2780 value did not simplify.
2782 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2784 * opts.c (flag_see): remove its setting at -O3.
2786 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2788 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2789 * arm/constraints.md: New file.
2790 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2791 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2792 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2793 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2794 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2795 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2796 * arm.md: Include constraints.md.
2797 (thumb_movsi_insn): Use satisfies_constraint_J.
2798 (movhi, movqi): Use satisfies_constraint_I.
2800 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2802 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2803 for atmeg a645 device.
2805 2006-05-06 Richard Guenther <rguenther@suse.de>
2807 PR tree-optimization/27151
2808 * tree-vect-transform.c (vectorizable_condition): Punt on
2809 values that have a different type than the condition.
2811 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2814 * c-parser.c (c_parser_cast_expression): Only insert casts into
2815 hash table if pointer.
2816 * function.c (used_types_insert_helper): Rename from
2818 (used_types_insert): Call used_types_insert_helper.
2819 * function.h (used_types_insert): Accept only one argument.
2821 2006-05-05 David Edelsohn <edesohn@gnu.org>
2823 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2824 scratch with output modifier.
2826 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2829 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2830 with output modifier.
2832 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2835 * config/mips/mips.c (mips_symbolic_address_p): Return true
2836 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2837 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2839 2006-05-04 Richard Guenther <rguenther@suse.de>
2841 PR tree-optimization/14287
2842 PR tree-optimization/14844
2843 PR tree-optimization/19792
2844 PR tree-optimization/21608
2845 PR tree-optimization/27090
2846 * tree-ssa-pre.c (try_combine_conversion): New function.
2847 (compute_avail): After constructing the value-handle
2848 expression, use try_combine_conversion to combine NOP_EXPRs
2849 with previous value-handle expressions and use the result if it
2852 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2854 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2856 2006-05-04 Jan Hubicka <jh@suse.cz>
2859 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2861 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2863 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2864 that this only matches CONST_INTs. All users changed to VOIDmode
2867 * config/bfin/bfin.c: Include "optabs.h".
2868 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2870 (enum bfin_builtins): Add a number of fractional and vector builtins.
2871 (bfin_init_builtins): Likewise.
2872 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2873 (safe_vector_operand, bfin_expand_binop_builtin,
2874 bfin_expand_unop_builtin): New functions.
2875 (bfin_expand_builtin): Handle the new builtins.
2876 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2879 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2882 * Makefile.in (OBJS-common): Add see.o.
2883 (see.o): Add dependencies.
2884 * common.opt (fsee): New flag for the see optimization was added.
2885 * opts.c (flag_see): Initialized.
2886 * passes.c (init_optimization_passes, pass_see): New pass.
2887 * rtl.h (see_main): Declaration as extern.
2888 * timevar.def (TV_SEE): New.
2889 * tree-pass.h (pass_see): Declaration as extern.
2890 * invoke.texi (-fsee): Document.
2891 * recog.c (validate_simplify_insn): New function.
2892 * recog.h (validate_simplify_insn): Declaration as extern.
2893 * df-problems.c (df_chain_dump): Check for NULL.
2895 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2896 Daniel Berlin <dberlin@dberlin.org>
2898 * cfgrtl.c (insert_insn_bb_end_new): New function.
2899 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2901 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2903 * df.h (struct web_entry): Moved from web.c.
2904 (union_defs): Declaration as extern.
2905 (unionfind_root): Likewise.
2906 (unionfind_union): Likewise.
2907 * web.c (struct web_entry): Moved to df.h.
2908 (unionfind_root): Remove static declaration.
2909 (unionfind_union): Likewise.
2910 (union_defs): Likewise and generalize to use callback function.
2911 (web_main): Update arguments for union_defs function call.
2913 2006-05-04 Richard Guenther <rguenther@suse.de>
2915 PR tree-optimization/26447
2916 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2917 produce SSA_NAME copies before the store stmt to avoid
2918 breaking exception handling.
2920 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2923 * gimplify.c (omp_is_private): If var is shared in some outer context,
2924 return false instead of true. Stop searching on parallel context
2927 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2930 * coverage.c: Use get_gcov_unsigned_t() instead of
2931 unsigned_type_node all over.
2933 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2935 PR tree-optimization/27381
2936 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2937 maintain the same immediate_use links.
2938 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2939 node rather than segfaulting.
2941 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2944 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2945 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2946 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2948 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2950 Fix PR tree-optimization/26626
2951 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2953 * tree-ssa-operands.c (access_can_touch_variable): Allow
2954 typecasting through union pointers.
2956 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2959 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2960 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2961 to find if var will be a global variable even in the nested context.
2962 (omp_copy_decl): Only check for global variable at the end, it might
2963 be overridden in outer contexts.
2964 (scan_sharing_clauses): For global variables don't create a field.
2965 (lower_rec_input_clauses): Do nothing for global shared variables.
2966 Emit a barrier at the end of ILIST if there were any decls in both
2967 firstprivate and lastprivate clauses.
2968 (lower_send_clauses): Do nothing for global variables except for
2971 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2973 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2974 of the correct signedness is returned.
2976 2006-05-02 Jeff Law <law@redhat.com>
2978 PR tree-optimization/27364
2979 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2980 multiply expressions.
2982 2006-05-02 Tom Tromey <tromey@redhat.com>
2984 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2986 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2989 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2990 -mthumb -fPIC are used.
2992 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2993 Joshua Kinard <kumba@gentoo.org>
2996 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2997 with 64-bit pointers.
2999 2006-05-02 Paul Brook <paul@codesourcery.com>
3001 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3003 (create_fix_barrier): Check that a suitable barrier location is
3005 (arm_reorg): Include ftmp->address in allowable range of addresses.
3007 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3010 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3013 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3016 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3017 around RESULT_DECL for result passed by reference.
3018 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3019 * omp-low.c (use_pointer_for_field): Don't look at
3020 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3021 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3022 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3023 time or var for passing by reference for
3024 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3025 TREE_ADDRESSABLE variables when passing by reference.
3027 * omp-low.c (dump_omp_region): Fix output formatting.
3030 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3031 (expand_omp_parallel): Likewise.
3032 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3035 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3036 on statement list containing also constructors and destructors.
3037 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3040 * except.c (duplicate_eh_regions): Fix clearing of
3041 cfun->eh->region_array entries.
3043 2006-05-01 DJ Delorie <dj@redhat.com>
3045 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3047 (gcc_cv_objdump): Likewise.
3048 * configure: Regenerated.
3050 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3053 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3054 templates for case 3 and 4.
3056 2006-05-01 DJ Delorie <dj@redhat.com>
3058 * vec.c: Include bconfig.h when appropriate.
3059 * Makefile.in (build/vec.o): Adjust dependencies.
3060 * mkconfig.sh: Make sure config.h isn't used for build machine
3063 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3065 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3067 (mark_phi_for_rewrite): New function.
3068 (insert_phi_nodes_for, mark_use_interesting): Call
3069 mark_phi_for_rewrite.
3070 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3071 (update_ssa): Initialize and free phis_to_rewrite.
3073 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3075 PR rtl-optimization/27291
3076 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3077 folded to a constant.
3079 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3081 PR tree-optimization/27283
3082 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3083 not whole # of iteration descriptions.
3084 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3085 uses abnormal ssa name.
3086 (niter_for_single_dom_exit): Ditto.
3087 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3088 return just the number of iterations.
3090 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3092 PR tree-optimization/27144
3093 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3094 (record_estimate): Only record constant upper bound.
3095 (infer_loop_bounds_from_undefined): Call
3096 compute_estimated_nb_iterations just once.
3097 (proved_non_wrapping_p): Renamed to ...
3098 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3099 (convert_step_widening, scev_probably_wraps_p): Call
3100 n_of_executions_at_most instead of proved_non_wrapping_p.
3101 (substitute_in_loop_info): Do not replace values in bounds.
3102 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3105 2006-05-01 Richard Henderson <rth@redhat.com>
3108 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3109 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3112 2006-05-01 Roger Sayle <roger@eyesopen.com>
3114 * c-typeck.c (parser_build_binary_op): Don't call the function
3115 unsigned_conversion_warning to spot operand/result type overflow.
3116 (build_binary_op): Instead, call convert_and_check instead of
3117 convert to report the problem when the operands are promoted.
3118 * c-common.c (unsigned_conversion_warning): Make static.
3119 * c-common.h (unsigned_conversion_warning): Delete prototype.
3121 2006-05-01 Richard Guenther <rguenther@suse.de>
3123 PR tree-optimization/26726
3124 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3126 (find_interesting_uses_address): ... we work around here
3127 by folding INDIRECT_REFs in the substituted base.
3129 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3131 * omp-low.c (dump_omp_region): Add newlines.
3133 2006-04-30 Roger Sayle <roger@eyesopen.com>
3135 * common.opt (Woverflow): New command line option.
3136 * c-common.c (constant_expression_warning): Check warn_overflow.
3137 (overflow_waring): Pass OPT_Woverflow to warning.
3138 (unsigned_conversion_warning): Likewise.
3139 (convert_and_check): Likewise.
3140 * doc/invoke.texi: Document new command line option.
3142 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3144 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3145 TARGET_NO_FP_IN_TOC for section anchors.
3146 (optimization_options): Enable section anchors for all
3147 non-"Objective" languages.
3149 2006-04-28 Eric Christopher <echristo@apple.com>
3151 * config/darwin-c.c (darwin_ms_struct): Move this
3152 (darwin_set_default_type_attributes): and this...
3153 * config/darwin.c: ... here.
3154 * config/darwin.h (darwin_ms_struct): Declare.
3156 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3158 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3160 2006-04-28 Roger Sayle <roger@eyesopen.com>
3163 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3164 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3165 an unsigned HOST_WIDE_INT.
3166 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3168 (really_start_incremental_init): No need to call convert because
3169 bitsize_zero_node is already of type bitsizetype.
3170 (push_init_level): Extract the value of constructor_index as an
3171 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3172 (process_init_element): Likewise.
3174 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3176 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3177 value before passing to make_relative_prefix.
3179 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3182 * builtins.c (expand_builtin_memset): Expand val in original mode.
3184 2006-04-27 Eric Christopher <echristo@apple.com>
3186 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3187 with #ifndef/#endif.
3188 * config/darwin-c.c (darwin_ms_struct): New.
3189 (darwin_pragma_ms_struct): Ditto.
3190 (darwin_set_default_type_attributes): Ditto.
3191 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3192 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3193 Register ms_struct pragma.
3194 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3195 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3196 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3197 darwin_set_default_type_attributes if TARGET_MACHO.
3199 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3201 PR tree-optimization/26854
3202 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3203 * doc/tree-ssa.texi: Update immuse iterator documentation.
3204 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3205 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3206 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3207 first_safe_imm_use, next_safe_imm_use): Remove.
3208 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3209 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3210 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3211 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3212 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3213 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3214 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3215 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3216 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3217 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3218 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3219 (perfect_nestify): Use new iterator.
3220 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3222 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3223 (next_imm_name): New field in struct immediate_use_iterator_d.
3224 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3225 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3226 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3227 * tree-cfg.c (replace_uses_by): Use new iterator.
3228 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3229 * tree-ssa-operands.c (correct_use_link): Remove.
3230 (finalize_ssa_use_ops): No longer call correct_use_link.
3232 2006-04-27 Stuart Hastings <stuart@apple.com>
3234 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3235 * config/t-darwin (crt3.o): Use it.
3236 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3237 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3238 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3239 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3240 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3243 2006-04-27 Roger Sayle <roger@eyesopen.com>
3245 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3246 size, force the intermediate into a new pseudo rather instead of
3247 performing both a bitwise AND and a bitwise IOR in memory.
3249 2006-04-27 Richard Guenther <rguenther@suse.de>
3251 PR rtl-optimization/26685
3252 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3253 this one "max-flow-memory-locations".
3255 2006-04-27 Richard Guenther <rguenther@suse.de>
3257 PR tree-optimization/25148
3258 * tree-vrp.c (compare_values): Remove code dealing with
3259 comparisons against type min/max value. Honour overflow
3260 and negative constants in code dealing with comparisons
3261 of plus and minus expressions.
3262 (value_inside_range): Use fold_binary with LE_EXPR and
3263 GE_EXPR rather than compare_values.
3265 2006-04-27 Dirk Mueller <dmueller@suse.de>
3267 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3270 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3272 * basic-block.h (safe_insert_insn_on_edge): Removed.
3273 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3275 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3276 Paolo Bonzini <bonzini@gnu.org>
3279 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3280 (simplify_and_const_int): Same.
3282 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3284 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3286 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3289 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3290 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3291 cgraph_global_info_ready.
3294 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3297 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3298 either decl or init is error_mark_node.
3301 * tree-flow.h (struct omp_region): Add sched_kind.
3302 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3303 instead of extracting omp for data.
3304 (expand_omp_for): Save extracted sched_kind.
3306 2006-04-25 Roger Sayle <roger@eyesopen.com>
3308 * expmed.c (store_bit_field): Also check whether the bitsize is
3309 valid for the machine's "insv" instruction before moving the
3310 target into a pseudo for use with the insv.
3311 * config/i386/predicates.md (const8_operand): New predicate.
3312 * config/i386/i386.md (extv, extzv, insv): Use the new
3313 const8_operand predicate where appropriate.
3315 2006-04-25 DJ Delorie <dj@redhat.com>
3317 * doc/install.texi (Specific): Clarify that this is not a list of
3318 supported hosts or targets.
3320 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3322 PR rtl-optimization/26725
3323 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3324 block's BB_DIRTY flag.
3326 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3328 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3331 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3332 to print an integer.
3334 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3336 * varasm.c (align_variable): New function.
3337 (get_block_for_decl): Apply align_variable to DECL before
3338 calculating section information.
3339 (assemble_variable): Split out alignment computation.
3341 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3343 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3346 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3348 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3349 MODE_PARTIAL_INT mode.
3350 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3351 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3353 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3354 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3356 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3358 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3360 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3361 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3362 MACFLAG_IH): Likewise.
3363 (movstricthi_1): Renamed from "*movstricthi".
3364 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3365 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3366 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3367 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3368 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3369 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3370 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3371 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3372 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3373 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3374 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3375 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3376 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3377 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3378 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3380 * doc/rtl.texi (ss_ashift): Improve wording.
3382 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3384 * dwarf2out.c (verify_marks_clear): New.
3385 (prune_unused_types): Call verify_marks_clear initially, not
3388 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3390 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3391 * doc/rtl.texi: Document them.
3392 * simplify-rtx.c (simplify_unary_operation,
3393 simplify_binary_operation_1): Don't abort when we see them.
3395 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3398 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3399 * configure.ac: Completely disregard languages that are not
3401 * configure: Regenerated.
3403 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3404 Richard Guenther <rguenther@suse.de>
3406 PR tree-optimization/27236
3407 * tree-inline.c (copy_body_r): Make sure to copy
3408 TREE_THIS_VOLATILE flag.
3410 2006-04-24 Richard Guenther <rguenther@suse.de>
3413 * tree-complex.c (update_parameter_components): Don't handle
3414 unused parameters which have no default def.
3416 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3417 Richard Guenther <rguenther@suse.de>
3419 PR tree-optimization/27218
3420 * tree-inline.c (expand_call_inline): Strip useless type
3421 conversions for the return slot address.
3423 2006-04-24 Richard Guenther <rguenther@suse.de>
3425 * cfgloop.h (struct loops): Remove unused field array. Reorder
3427 (LOOP_PREFETCH): Remove.
3429 2006-04-24 Richard Guenther <rguenther@suse.de>
3431 PR tree-optimization/22525
3432 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3433 variable, adjust types of generated expressions.
3435 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3437 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3438 (tree-vect-patterns.o): Likewise.
3440 (cselib.o): Likewise.
3441 (loop-doloop.o): Likewise.
3442 (regclass.o): Likewise.
3443 (reload1.o): Likewise.
3444 (explow.o): Replace target.h with $(TARGET_H).
3445 (ipa-prop.o): Likewise.
3446 (ipa-cp.o): Likewise.
3447 (ipa-inline.o): Likewise.
3448 (reorg.o): Likewise.
3449 (reg-stack.o): Likewise.
3451 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3453 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3455 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3457 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3459 * configure.ac: Completely disregard languages that are not
3461 * configure: Regenerated.
3464 * c-common.h (c_build_bitfield_integer_type): Declare.
3465 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3466 * c-common.c (c_build_bitfield_integer_type): ... here.
3468 2006-04-23 Roger Sayle <roger@eyesopen.com>
3471 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3472 a SImode SUBREG of a floating point register after no_new_pseudos.
3474 2006-04-23 Roger Sayle <roger@eyesopen.com>
3476 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3477 identify potentially eliminable registers to additionally catch
3478 VIRTUAL_INCOMING_ARGS_REGNUM.
3479 (addsi3): Update the conditions on when to use addsi_small_int.
3481 2006-04-23 Roger Sayle <roger@eyesopen.com>
3484 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3485 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3486 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3488 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3490 * fold-const.c (range_predecessor): Use operand_equal_p
3491 as the predicate for equality.
3492 (range_successor): Likewise.
3494 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3497 * config/soft-fp/op-common.h: Fix a typo.
3499 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3502 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3503 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3505 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3507 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3509 * doc/tm.texi: Fix a typo.
3511 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3513 * dwarf2out.c (struct die_struct): Document that die_sib makes
3514 a circular linked list.
3515 (FOR_EACH_CHILD): New.
3516 (reverse_die_lists): Delete.
3517 (reverse_all_dies): Delete.
3518 (add_dwarf_attr): Correct documentation.
3519 (remove_child_with_prev): New.
3520 (remove_child_TAG): Update for change to die_struct, use
3521 remove_child_with_prev.
3522 (add_child_die): Update for change to die_struct.
3523 (splice_child_die): Use remove_child_with_prev and add_child_die.
3524 (print_die): Use FOR_EACH_CHILD.
3525 (die_checksum): Likewise.
3526 (assign_symbol_names): Likewise.
3527 (output_location_lists): Likewise.
3528 (build_abbrev_table): Likewise.
3529 (calc_die_sizes): Likewise.
3530 (mark_dies): Likewise.
3531 (unmark_dies): Likewise.
3532 (unmark_all_dies): Likewise.
3533 (output_die): Likewise.
3534 (prune_unused_types_mark): Likewise.
3535 (prune_unused_types_walk): Likewise.
3536 (same_die_p): Update for change to die_struct.
3537 (break_out_includes): Likewise.
3538 (prune_unused_types_prune): Likewise.
3539 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3540 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3542 (dwarf2out_finish): Don't call reverse_all_dies.
3544 2006-04-21 Eric Christopher <echristo@apple.com>
3546 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3547 in comments and function names.
3549 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3552 * c-typeck.c (digest_init): Robustify.
3554 * c-typeck.c (pop_init_level): Simplify.
3556 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3558 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3560 2006-04-21 Paul Brook <paul@codesourcery.com>
3562 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3563 hardware floating point.
3565 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3567 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3570 2006-04-21 Nick Clifton <nickc@redhat.com>
3572 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3575 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3578 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3579 C++ lang type in traceback table for Objective-C++.
3581 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3583 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3585 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3587 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3590 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3591 were errors. Remove check for erroneous objects.
3593 2006-04-20 Jeff Law <law@redhat.com>
3595 PR tree-optimization/26854
3596 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3597 checking for zero or one use.
3598 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3599 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3600 * tree-ssa-reassoc.c (negate_value): Similarly.
3601 (reassociate_bb): Similarly.
3603 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3605 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3606 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3607 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3609 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3611 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3612 fp regs if the last fp arg doesn't fit in regs.
3614 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3617 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3618 that the last insn has the REG_INC note.
3620 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3621 Nathan Sidwell <nathan@codesourcery.com>
3624 * stor-layout.c (update_alignment_for_field): Do not align
3626 (place_union_field): Place union field at the start of the union.
3627 (place_field): Move ERROR_MARK check later, and use the current
3628 allocation position to maintain monotonicity.
3630 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3632 * dominance.c: Include timevar.h.
3633 (calculate_dominance_info): Use TV_DOMINANCE.
3634 * timevar.def (TV_DOMINANCE): New timevar.
3635 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3637 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3639 PR rtl-optimization/14261
3640 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3641 move would be an INSV insn.
3642 (noce_process_if_block): Don't optimize if the destination is a
3643 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3645 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3647 * config/s390/s390.md: Add comments with the instructions emitted
3648 by an insn pattern if macros are used.
3650 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3652 PR rtl-optimization/26026
3653 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3654 is a known power of two shifted left a variable amount.
3656 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3658 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3659 to hash table twice when the debug_str section has SECTION_MERGE.
3661 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3663 * config/soft-fp: New directory. From glibc.
3664 * config/soft-fp/t-softfp: New.
3665 * config/soft-fp/README: New.
3666 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3667 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3668 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3669 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3670 * config.gcc: Use rs6000/t-fprules-fpbit or
3671 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3673 * config/rs6000/sfp-machine.h: New. Based on glibc.
3674 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3676 * config/rs6000/t-fprules: Remove fp-bit rules.
3677 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3678 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3679 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3680 (softfp_wrap_start, softfp_wrap_end): New.
3682 2006-04-18 DJ Delorie <dj@redhat.com>
3684 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3686 2006-04-18 Devang Patel <dpatel@apple.com>
3688 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3690 2006-04-18 Nick Clifton <nickc@redhat.com>
3692 * config/sh/t-symbian: Add rule to build sh-c.o
3693 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3694 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3695 (sh_symbian_encode_section_info): Likewise.
3697 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3699 * builtins.c (expand_builtin_strcmp): Cover label definition of
3700 do_libcall with HAVE_cmpstrnsi.
3702 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3704 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3706 * function.h (temp_slot_p): New.
3707 (function): Change the type of x_used_temp_slots to
3708 VEC(temp_slot_p,gc) *.
3710 2006-04-18 Nick Clifton <nickc@redhat.com>
3712 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3713 flag_strength_reduce.
3715 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3717 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3721 Partial revert of revision 112637
3722 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3723 Dale Johannesen <dalej@apple.com>
3726 * regclass.c (struct reg_pref): Update documentation.
3727 (regclass): Set prefclass to NO_REGS if memory is the best option.
3728 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3730 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3732 PR tree-optimization/26821
3733 * tree-ssa-math-opts.c (get_constant_one): New.
3734 (insert_reciprocals): Use it.
3736 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3738 * dwarf2out.c (free_AT): Delete.
3739 (remove_AT): Update string ref counts.
3740 (remove_child_TAG): Don't call free_die.
3742 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3743 or DW_TAG_GNU_EINCL.
3744 (prune_unused_types_walk_attribs): Reset string refcounts.
3745 (prune_unused_types_update_strings): New.
3746 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3747 call free_die. Do call prune_unused_types_update_strings.
3748 (prune_unused_types): Empty debug_str_hash.
3750 2006-04-17 Roger Sayle <roger@eyesopen.com>
3752 * expr.c (expand_assignment): Optimize away no-op moves where the
3753 source and destination are equal and have no side-effects.
3755 2006-04-17 Richard Guenther <rguenther@suse.de>
3758 * reload.c (push_reload): Guard calls to get_secondary_mem
3761 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3763 * alias.c (reg_base_value, old_reg_base_value): Change the
3764 type to VEC(rtx,gc) *.
3765 (REG_BASE_VALUE, find_base_value, record_set,
3766 init_alias_analysis): Use VEC instead of VARRAY.
3768 * alias.c (alias_sets): Change the type to
3769 VEC(alias_set_entry,gc) *.
3770 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3771 VEC instead of VARRAY.
3772 (last_alias_set): Remove.
3774 * cgraph.h (cgraph_edge_p): New.
3775 Update the prototype of cgraph_function_versioning.
3776 * cgraphunit.c (cgraph_copy_node_for_versioning,
3777 cgraph_function_versioning): Use VEC instead of VARRAY.
3778 * ipa-cp.c (ipcp_insert_stage): Likewise.
3780 2006-04-16 Roger Sayle <roger@eyesopen.com>
3783 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3784 "A op B" or "A op C", we may need to convert A to the type of B and C.
3786 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3788 * target.h (struct gcc_target): Add mode_rep_extended.
3789 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3790 (init_num_sign_bit_copies_in_rep): Initialize it using
3792 (truncate_to_mode): Use it.
3793 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3794 * targhooks.h (default_mode_rep_extended): Declare it.
3795 * targhooks.c (default_mode_rep_extended): Define it.
3796 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3797 default_mode_rep_extended.
3798 (TARGET_INITIALIZER): Include it.
3799 * doc/tm.texi (Misc): Document it.
3800 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3801 (mips_truncated_to_mode): New function.
3803 2006-04-16 Roger Sayle <roger@eyesopen.com>
3806 * expr.c (compress_float_constant): Copy the narrow constant into
3807 a new pseudo before extending it to its final width.
3809 2006-04-16 Roger Sayle <roger@eyesopen.com>
3810 Andrew Pinski <pinskia@gcc.gnu.org>
3811 Dale Johannesen <dalej@apple.com>
3814 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3815 special case code to implement V8HImode and V16QImode with SSE2.
3817 2006-04-15 Roger Sayle <roger@eyesopen.com>
3819 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3820 trees are constructed with a suitable tree type.
3822 2006-04-15 Roger Sayle <roger@eyesopen.com>
3824 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3825 (integer_onep): Likewise.
3826 (integer_all_onesp): Likewise.
3827 (integer_pow2p): Likewise.
3828 (integer_nonzerop): Likewise.
3829 (real_zerop): Likewise.
3830 (real_onep): Likewise.
3831 (real_twop): Likewise.
3832 (real_minus_onep): Likewise.
3833 (int_size_in_bytes): Likewise.
3834 (host_integerp): Likewise.
3836 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3838 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3839 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3840 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3842 * tree-ssa-structalias.h (alias_info): Remove num_references.
3844 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3846 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3847 (output_bvb patterns): Likewise.
3848 * pa.c (output_bb): Use 'bb' insn for long branch case.
3849 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3850 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3851 1. Correct length operand for alternatives 1 and 2.
3852 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3853 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3855 2006-04-14 Roger Sayle <roger@eyesopen.com>
3857 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3858 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3859 were accidentally reverted by r112959.
3861 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3864 * except.h (eh_region_outermost): New prototype.
3865 * except.c (eh_region_outermost): New function.
3866 * tree-cfg.c (find_outermost_region_in_block): Use it.
3868 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3870 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3872 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3873 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3874 (init_reload, reload): Use VEC instead of VARRAY.
3875 * reload.h: Update the prototype for
3876 reg_equiv_memory_loc_varray.
3878 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3879 Eric Botcazou <ebotcazou@libertysurf.fr>
3881 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3884 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3887 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3888 to expand fallback builtin function call.
3890 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3893 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3894 and emit libcall here in case the builtin fails.
3895 (expand_builtin_strcmp): Always emit the libcall here on failure.
3897 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3899 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3900 * flow.c (reg_n_info): Change the type to
3901 VEC(reg_info_p,heap) *.
3902 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3904 * regs.h (reg_info_p): New.
3905 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3906 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3907 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3910 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3912 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3914 * params.h (MAX_SCHED_READY_INSNS): New macro.
3915 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3916 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3917 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3918 the ready list for 1 cycle during the first scheduling pass.
3919 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3921 2006-04-13 Richard Henderson <rth@redhat.com>
3924 * gimple-low.c (lower_omp_directive): Remove dead code.
3925 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3926 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3927 * omp-low.c (struct omp_region): Move to tree-flow.h.
3928 (root_omp_region): Export.
3929 (omp_regions, lookup_omp_region): Remove.
3930 (determine_parallel_type): Update for struct omp_region changes.
3931 (dump_omp_region): Dump regions with block numbers.
3932 (new_omp_region): Take type and block instead of stmt; malloc
3934 (free_omp_region_1, free_omp_regions): New.
3935 (expand_parallel_call): Take entry_stmt as argument; update for
3936 changes to omp_region.
3937 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3938 (remove_exit_barriers): New.
3939 (expand_omp_parallel): Update for struct omp_region changes.
3940 (expand_omp_synch): Likewise.
3941 (expand_omp): Likewise.
3942 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3943 (expand_omp_for_static_chunk): Likewise.
3944 (expand_omp_for): Likewise.
3945 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3946 (expand_omp_sections): Similarly, with GOMP_sections_end.
3947 (expand_omp_single): New.
3948 (build_omp_regions_1): Update for OMP_CONTINUE.
3949 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3950 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3951 OMP_SECTIONS_SECTIONS.
3952 (lower_omp_single_simple): Don't emit barrier here.
3953 (lower_omp_single_copy): Likewise.
3954 (lower_omp_single): Fix bindings, and lower to straightline now.
3955 (lower_omp_master, lower_omp_ordered): Likewise.
3956 (lower_omp_critical): Likewise.
3957 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3958 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3959 omp edges, free it afterward.
3960 (make_omp_sections_edges): Remove.
3961 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3962 (move_stmt_r): Handle OMP_CONTINUE.
3963 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3964 statement pointers to basic blocks. Add type member.
3965 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3966 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3967 * tree-inline.c (estimate_num_insns_1): Likewise.
3968 * tree-pretty-print.c (dump_generic_node): Likewise.
3969 * tree-ssa-operands.c (get_expr_operands): Likewise.
3970 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3971 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3972 (OMP_CONTINUE): New.
3973 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3974 (OMP_SECTIONS_SECTIONS): Remove.
3975 (OMP_SECTION_LAST): New.
3976 (OMP_RETURN_NOWAIT): New.
3978 2006-04-13 Roger Sayle <roger@eyesopen.com>
3980 * fold-const.c (native_encode_vector, native_interpret_real):
3981 Correct obvious mistakes in the previous check-in.
3983 2006-04-13 Roger Sayle <roger@eyesopen.com>
3985 * fold-const.c (native_encode_expr): New function to encode
3986 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3987 or VECTOR_CST into a specified buffer.
3988 (native_encode_int): New function.
3989 (native_encode_real): New function.
3990 (native_encode_complex): New function.
3991 (native_encode_vector): New function.
3992 (native_interpret_expr): Inverse of native_encode_expr to convert
3993 a target representation into an INTEGER_CST, REAL_CST etc...
3994 (native_interpret_int): New function.
3995 (native_interpret_real): New function.
3996 (native_interpret_complex): New function.
3997 (native_interpret_vector): New function.
3998 (fold_view_convert_expr): New function to constant fold/evaluate
3999 a VIEW_CONVERT_EXPR of a suitable constant expression.
4000 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4001 Change call of build1 to fold_build1 when constructing a
4004 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4005 Ulrich Weigand <uweigand@de.ibm.com>
4008 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4011 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4014 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4015 optimize to lo_sum for DFmode if !TARGET_FPRS.
4017 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4019 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4020 delete_alias_info, compute_flow_sensitive_aliasing,
4021 group_aliases): Use VEC instead of VARRAY.
4022 * tree-ssa-structalias.c (update_alias_info): Likewise.
4023 * tree-ssa-structalias.h (alias_info): Change the type of
4024 processed_ptrs to VEC(tree,heap) *.
4026 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4029 * config/sh/lib1funcs.h: New file, broken out of:
4030 * config/sh/lib1funcs.asm.
4031 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4033 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4034 * config/sh/lib1funcs-Os-4-200.asm: New file.
4035 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4036 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4037 (EXTRA_MULTILIB_PARTS): Include it.
4038 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4039 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4040 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4041 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4044 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4046 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4047 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4048 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4050 * tree-ssa-live.h: Include vecprim.h.
4051 (tree_partition_associator_d): Change the type of
4052 first_partition to VEC(int,heap) *.
4053 (tpa_first_partition): Use VEC instead of VARRAY.
4055 * Makefile.in (GTFILES): Move functions.h after tree.h.
4056 * function.c (reset_block_changes, record_block_change,
4057 check_block_change, free_block_changes): Use VEC instead of
4059 * function.h (function): Change the type of
4060 ib_boundaries_block to VEC(tree,gc) *.
4061 * tree-inline.c (copy_cfg_body): Initialize
4062 ib_boundaries_block to NULL instead of (varray_type) 0.
4064 2006-04-12 Roger Sayle <roger@eyesopen.com>
4066 * expr.c (emit_group_store): Correct operand order in call to
4067 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4068 a SUBREG_BYTE of zero.
4070 2006-04-12 Richard Guenther <rguenther@suse.de>
4072 * profile.c (compute_branch_probabilities): Remove code
4073 encapsulated in !ir_type (), which are remanents of the
4074 removed RTL profiling code.
4075 * rtl-profile.c: Remove.
4077 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4079 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4080 magic NULL_RTX comment.
4081 (function_arg): Store entire fp arg to mem if any part should go
4083 (rs6000_arg_partial_bytes): Adjust for above change.
4085 2006-04-11 Roger Sayle <roger@eyesopen.com>
4087 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4088 if it hasn't been initialized by dwarf2out_init.
4090 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4092 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4093 symbolic constants in branch patterns.
4095 2006-04-11 Roger Sayle <roger@eyesopen.com>
4097 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4099 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4101 PR rtl-optimization/27073
4102 * gcse.c (try_replace_reg): Revert last change. Continue to search
4103 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4106 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4108 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4109 aggregate types other than record and union types.
4110 (function_arg): Likewise.
4111 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4113 (function_value): In 64-bit mode, return objects that require it
4116 2006-04-11 Roger Sayle <roger@eyesopen.com>
4118 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4120 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4122 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4124 2006-04-03 Jeff Law <law@redhat.com>
4127 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4128 alias information too.
4130 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4132 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4134 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4137 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4138 (premark_used_types_helper): New.
4139 (premark_used_types): New.
4140 (gen_subprogram_die): Call premark_used_types.
4141 (prune_unused_types_walk): Do not prune perennial dies.
4142 * function.c (used_types_insert): New.
4143 * function.h (struct function): Add used_types_hash field.
4144 (used_types_insert): Add prototype.
4145 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4146 * c-parser.c (c_parser_cast_expression): Save casted types in used
4149 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4152 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4153 rs6000_explicit_options.float_gprs.
4155 2006-04-10 Roger Sayle <roger@eyesopen.com>
4157 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4158 from ix86_expand_vector_init_low_nonzero. Take an additional
4159 one_var argument indicating which element is non-zero. Support
4160 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4161 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4162 with one_var instead of ix86_expand_vector_init_low_nonzero.
4164 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4166 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4167 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4168 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4169 build/genextract.o): Depend on vecprim.h.
4170 * cfglayout.c, df-problems.c, function.c, genextract.c,
4171 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4172 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4176 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4178 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4179 Declare VECs of this type.
4180 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4181 (remove_children): Delete.
4182 (add_dwarf_attr): Use VEC routines.
4183 (add_AT_flag): Update for changes to add_dwarf_attr.
4184 (add_AT_int): Likewise.
4185 (add_AT_unsigned): Likewise.
4186 (add_AT_long_long): Likewise.
4187 (add_AT_vec): Likewise.
4188 (add_AT_string): Likewise.
4189 (add_AT_die_ref): Likewise.
4190 (add_AT_fde_ref): Likewise.
4191 (add_AT_loc): Likewise.
4192 (add_AT_loc_list): Likewise.
4193 (add_AT_addr): Likewise.
4194 (add_AT_lbl_id): Likewise.
4195 (add_AT_lineptr): Likewise.
4196 (add_AT_macptr): Likewise.
4197 (add_AT_offset): Likewise.
4198 (add_AT_range_list): Likewise.
4199 (get_AT): Use VEC_iterate.
4200 (remove_AT): Use VEC_ordered_remove.
4201 (free_die): Fold remove_children into here; have it use VEC_iterate.
4202 (print_die): Use VEC_iterate on attrs.
4203 (reverse_die_lists): Don't reverse attr lists.
4204 (die_checksum): Use VEC_iterate on attrs.
4205 (same_die_p): Likewise.
4206 (output_location_lists): Likewise.
4207 (build_abbrev_table): Likewise.
4208 (size_of_die): Likewise.
4209 (unmark_all_dies): Likewise.
4210 (output_abbrev_section): Likewise.
4211 (output_die): Likewise.
4212 (prune_unused_types_walk_attribs): Likewise.
4214 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4216 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4218 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4221 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4223 2006-04-09 Roger Sayle <roger@eyesopen.com>
4225 * expr.c (store_constructor): Don't bother clearing target if
4226 we're about to assign a vector to it using vec_init_optab.
4228 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4230 * tree-ssa-alias.c (lhs_may_store_to): New function.
4231 (recalculate_used_alone): Handle LHS of calls.
4233 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4237 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4238 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4239 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4240 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4241 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4242 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4243 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4244 stubs. Add ".align 8" directives before all ".dword" directives.
4245 (GTHREAD_USE_WEAK): Revise comment.
4246 (TARGET_ATTRIBUTE_WEAK): Define.
4247 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4248 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4249 * stublib.c: New file.
4254 * pa.md (cbranch patterns): Revise arguments used in calls to
4255 output_cbranch, output_bb and output_bvd. Add long branch length
4257 (fbranch patterns): Handle long branches.
4258 (jump): Revise length check. Revise arguments for output_lbranch call.
4259 Add long branch length attributes.
4260 (decrement_and_branch_until_zero): Add long branch length attributes.
4261 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4262 Likewise. Revise arguments for output_parallel_addb and
4263 output_parallel_movb calls.
4264 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4265 output_parallel_movb and output_parallel_addb): Update prototypes.
4266 * pa.c (output_cbranch): Revise arguments. Correct handling of
4267 nullification in long branches.
4268 (output_lbranch): Add new argument to control extraction of delay
4270 (output_bb): Handle long branches.
4271 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4272 output_parallel_addb): Likewise.
4274 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4276 PR rtl-optimization/27073
4277 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4280 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4282 * tree.h (tree_memory_tag): Add old_used_alone.
4283 (SMT_OLD_USED_ALONE): New macro.
4284 * tree-ssa-alias.c (recalculate_used_alone): Stop
4285 marking things for renaming unnecessarily.
4287 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4289 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4290 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4291 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4292 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4293 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4294 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4295 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4296 spelling convensions.
4297 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4298 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4299 typos. Follow spelling conventions.
4301 2006-04-07 DJ Delorie <dj@redhat.com>
4303 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4304 passed on the stack.
4305 (m32c_init_cumulative_args): When a function returns a structure,
4306 always pass the pointer to that return area on the stack.
4307 (m32c_function_arg_advance): Don't increment the parameter number
4308 if we're processing the returned structure pointer.
4309 (pushm_info): Reverse order of registers.
4311 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4313 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4314 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4315 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4316 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4318 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4319 chrec_fold_multiply): Same.
4320 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4321 force_expr_to_var_cost): Same.
4322 * tree-mudflap.c (mf_xform_derefs_1): Same.
4323 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4325 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4327 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4328 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4331 2006-04-07 Jan Hubicka <jh@suse.cz>
4333 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4335 2006-04-07 Richard Guenther <rguenther@suse.de>
4337 PR tree-optimization/26135
4338 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4339 loads for store copy-prop.
4340 (copy_prop_visit_stmt): Likewise.
4342 2006-04-05 Robert Millan <robertmh@gnu.org>
4344 * config/i386/linux.h: Add a comment to mark macros that are
4345 being overriden in config/k*bsd-gnu.h.
4346 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4348 * config/knetbsd-gnu.h: Ditto.
4350 2006-04-06 Jan Hubicka <jh@suse.cz>
4354 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4357 2006-04-06 Mike Stump <mrs@apple.com>
4359 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4360 for HAVE_nonlocal_goto to be consistent.
4361 (expand_builtin_nonlocal_goto): Likewise.
4362 (expand_builtin_strcmp): Use #ifdef instead of #if
4363 for HAVE_cmpstrnsi to be consistent.
4365 2006-04-05 DJ Delorie <dj@redhat.com>
4367 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4370 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4372 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4373 got-relative addressing for anything but SImode.
4375 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4376 even if the calling function doesn't modify them.
4378 2006-04-05 Richard Guenther <rguenther@suse.de>
4380 PR tree-optimization/26919
4381 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4382 to cgraph_estimate_size_after_inlining.
4384 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4386 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4388 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4390 PR tree-optimization/26996
4391 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4392 VECTOR_TYPE variables.
4394 2006-04-05 Richard Guenther <rguenther@suse.de>
4396 PR tree-optimization/26763
4397 * fold-const.c (fold_comparison): Move folding of
4398 PTR + CST CMP PTR + CST ...
4399 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4401 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4403 * doc/install.texi (Prerequisites): Refine some wording on
4404 bootstrapping and ksh.
4405 Move the version numbers of DejaGnu here from the testing section
4406 and fix casing of names.
4407 Fix markup and clarify wording for autogen requirements.
4408 Refer to GCJ instead of just java.
4409 Refer to SVN instead of CVS.
4410 Describe diffutils as useful instead of necessary.
4411 (Downloading the source): Refer to SVN instead of CVS.
4412 Adjust a link to our web site accordingly.
4413 (Configuration): Fix casing of Bison.
4414 (Building): Refer to SVN instead of CVS.
4415 Fix a sentence on the use of Bison and remove duplicate (and
4416 incorrect) version number of Bison requirement.
4417 Remove one redundant list of packages needed for building.
4418 (Specific): Avoid reference to CVS.
4420 2006-04-04 Eric Christopher <echristo@apple.com>
4422 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4423 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4424 (rs6000_handle_struct_attribute): New.
4425 (rs6000_ms_bitfield_layout_p): Ditto.
4427 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4429 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4430 NULL for dso parameter to atexit_common.
4432 2006-04-04 Eric Christopher <echristo@apple.com>
4434 * config/i386/i386.c (machopic_output_stub): Output \t
4435 between instructions and operands.
4437 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4439 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4440 satisfies_constraint_[IL] to explicit tests on value.
4442 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4444 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4445 set_nb_iterations_in_loop): Use build_int_cst instead of
4447 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4448 build_int_cst instead of convert.
4450 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4452 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4453 new value 2 for incoming.
4454 * function.c (expand_function_start): Call struct_value_rtx
4456 * config/sparc/sparc.md: Comment updated_return.
4457 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4458 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4459 struct return if sparc_std_struct_return and incoming is 2.
4460 (print_operand): Do not adjust return if
4461 sparc_std_struct_return.
4463 2006-04-04 Roger Sayle <roger@eyesopen.com>
4465 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4466 convert in the middle-end.
4467 * expr.c (store_expr, store_constructor, get_inner_reference,
4468 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4470 * tree.c (build_range_type): Likewise.
4472 2006-04-04 Tom Tromey <tromey@redhat.com>
4474 * doc/install.texi (Prerequisites): Mention jar.
4476 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4478 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4481 2006-04-04 Matthias Klose <doko@debian.org>
4483 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4484 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4487 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4489 * doc/extend.texi (Function Attributes): Rewrite visibility
4490 attribute documentation.
4491 * doc/invoke.texi (C++ Dialect Options): Rewrite
4492 -fvisibility-inlines-hidden documentation to describe something
4493 entirely different, although in practise compatible.
4494 (Code Gen Options): Warn about system headers in -fvisibility=
4497 * doc/extend.texi (Other Builtins): Document that
4498 __builtin_nan is a compile-time constant only when its argument
4501 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4503 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4504 trying to remove TRUNCATE check if all bits outside the new mode
4505 are identical to the sign bit.
4507 2006-04-03 Jeff Law <law@redhat.com>
4509 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4510 and operand scanning in some common cases.
4512 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4513 Dale Johannesen <dalej@apple.com>
4516 * regclass.c (struct reg_pref): Update documentation.
4517 (regclass): Set prefclass to NO_REGS if memory is the best option.
4518 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4519 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4520 into account. For non-registers, equate an empty preferred
4521 reload class to a `!' in the constraint; move the if clause to
4522 do so after those that reject the insn.
4523 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4525 (find_dummy_reload): Likewise.
4526 * doc/tm.texi (Register Classes): Document what it means
4527 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4528 * config/i386/i386.c (ix86_preferred_reload_class): Force
4529 using SSE registers (and return NO_REGS for floating-point
4530 constants) if math is done with SSE.
4531 (ix86_preferred_output_reload_class): New.
4532 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4533 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4534 * config/i386/i386.md: Remove # register preferences.
4536 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4539 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4540 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4541 the type of nb_iter.
4542 (instantiate_parameters_1): Convert the operands before calling
4543 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4544 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4546 2006-04-02 Roger Sayle <roger@eyesopen.com>
4548 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4549 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4551 * dojump.c (do_jump): Likewise.
4552 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4553 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4554 gimplify_boolean_expr): Likewise.
4555 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4556 * varasm.c (array_size_for_constructor): Likewise.
4557 * tree-object-size.c (compute_object_offset): Likewise.
4559 2006-04-02 Roger Sayle <roger@eyesopen.com>
4562 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4563 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4565 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4567 PR tree-optimization/26939
4568 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4570 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4572 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4573 at_stmt. Convert the type of operands before calling
4574 build_polynomial_chrec.
4575 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4577 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4578 (instantiate_parameters_1): Convert the type of operands before calling
4579 build_polynomial_chrec.
4580 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4581 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4582 reset_evolution_in_loop): Insert asserts to check the types of the
4584 (chrec_type): Moved...
4585 (eq_evolutions_p): Use operand_equal_p.
4586 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4587 the types of the operands.
4588 (chrec_type): ...here.
4589 * tree-data-ref.c (create_data_ref): Convert the operands before
4590 calling chrec_replace_initial_condition.
4591 (same_access_functions, analyze_subscript_affine_affine,
4592 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4593 (compute_subscript_distance, analyze_ziv_subscript,
4594 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4595 analyze_miv_subscript): Convert the operands before calling
4596 chrec_fold_minus or chrec_fold_plus.
4598 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4600 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4601 the dependence_relations vector.
4602 (compute_data_dependences_for_loop): Adjust call to
4603 compute_all_dependences.
4605 2006-04-01 Roger Sayle <roger@eyesopen.com>
4606 Richard Henderson <rth@redhat.com>
4608 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4609 gimple_boolify on the condition before calling gimplify_expr.
4611 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4613 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4614 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4615 the frame size. Update to use the new macros.
4616 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4617 * config/xtensa/ieee754-df.S: Likewise.
4619 2006-03-31 Richard Henderson <rth@redhat.com>
4621 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4622 (make_edges): ... here. Control fallthru creation with a local
4623 variable. Do not play with fake edges.
4624 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4625 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4628 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4630 * dwarf2.h (DW64_CIE_ID): Define.
4631 * dwarf2out.c (DWARF_CIE_ID): Define.
4632 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4633 length header. Use DWARF_CIE_ID.
4634 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4635 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4637 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4639 * config/sh/linux-atomic.asm: New file.
4640 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4642 2006-03-31 DJ Delorie <dj@redhat.com>
4644 * config/m32c/cond.md: Set condition flags properly throughout.
4645 * config/m32c/minmax.md: Likewise.
4646 * config/m32c/prologue.md: Likewise.
4647 * config/m32c/bitops.md: Likewise.
4648 * config/m32c/muldiv.md: Likewise.
4649 * config/m32c/mov.md: Likewise.
4650 * config/m32c/addsub.md: Likewise.
4651 * config/m32c/m32c.md: Likewise.
4652 * config/m32c/jump.md: Likewise.
4653 * config/m32c/shift.md: Likewise.
4655 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4656 conditionally output the pattern for this.
4657 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4658 (m32c_compare_redundant): New.
4659 (m32c_output_compare): New.
4660 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4662 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4663 dest, not src. Allow other 4-byte modes.
4665 2006-03-30 Denis Chertykov <denisc@overta.ru>
4667 * doc/md.texi: Refer to avr/constraints.md instead of
4670 2006-03-30 Roger Sayle <roger@eyesopen.com>
4672 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4673 signed vs. unsigned comparison failures on some hosts.
4675 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4678 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4679 change to FLOAT_REGS.
4681 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4682 (rs6000_override_options): Use it.
4683 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4684 only for -mabi=spe/no-spe and -mabi=altivec.
4686 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4688 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4691 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4693 * Makefile.in: Rename docdir to gcc_docdir.
4695 2006-03-30 Roger Sayle <roger@eyesopen.com>
4698 * expr.c (emit_group_store): Optimize group stores into a pseudo
4699 register by using a paradoxical subreg to initialize the destination
4700 if the first or last member of the group specifies a "low part".
4702 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4705 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4706 * target.h (struct gcc_target.speculate_insn): Change type of the
4707 second parameter to 'int'.
4708 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4709 the second operand of the DEPS_LIST.
4710 (copy_DEPS_LIST_list): Update reference to the second operand of the
4712 * rtl.h (alloc_DEPS_LIST): Update signature.
4713 * sched-int.h (ds_t): Change typedef to 'int'.
4714 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4716 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4718 * haifa-sched.c (try_ready): Change condition to restore
4719 non-speculative pattern of the instruction.
4720 (process_insn_depend_be_in_spec): Code to keep probability of the
4721 speculative dependence non-decreasing.
4723 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4725 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4726 (single_move_for_movmem): ... this. Also change all uses.
4727 (bfin_expand_strmov): Renamed to...
4728 (bfin_expand_movmem): ... this. Also change all uses.
4729 * config/bfin/bfin.md (movstrsi): Renamed to...
4730 (movstrsi): ...this.
4732 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4734 PR tree-optimization/26830
4736 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4737 (copy_prop_visit_stmt): Remove write-only variable ann.
4738 (init_copy_prop): Check variable loop depth here. Do not simulate
4739 memory-tag and virtual operand PHIs except for store copy prop.
4741 2006-03-30 Richard Guenther <rguenther@suse.de>
4743 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4744 variants with double arguments.
4746 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4748 * genpreds.c (write_tm_constrs_h): Delete variable p.
4749 * genconditions.c (write_header): Add tm-constrs.h to included
4751 * genpeep.c (main): Add toplev.h to included headers.
4752 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4753 (build/genpeep.o): Add toplev.h dependency.
4754 * config/rs6000/constraints.md: Add "W" constraint.
4756 2006-03-29 Roger Sayle <roger@eyesopen.com>
4758 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4759 sizes by correctly testing whether the size fits a host integer.
4760 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4761 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4762 SImode range for the default sizetype and bitsizetype.
4764 2006-03-29 Roger Sayle <roger@eyesopen.com>
4766 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4767 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4768 quickly if the argument is already of the correct type.
4769 Call fold_build1 instead of build1. Tidy up blank lines.
4771 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4773 * genemit.c (main): Add tm-constrs.h to included headers.
4774 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4775 * genpeep.c (main): Add tm-constrs.h to included headers.
4776 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4777 (write_tm_constrs_h): this and write complete file.
4778 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4779 (write_insn_preds_c): Add tm-constrs.h to included headers.
4780 (gen_constrs): New variable.
4781 (parse_option): Parse "-c".
4782 (main): Invoke write_tm_constrs_h.
4783 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4784 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4785 (object_out_file): Add tm-constrs.h dependency.
4786 (insn-emit.o): Same.
4787 (insn-output.o): Same.
4788 (insn-peep.o): Same.
4789 (insn-preds.o): Same.
4790 (insn-recog.o): Same.
4791 (tm-constsr.h): New target.
4792 (s-constrs-h): New target.
4794 * config/rs6000/constraints.md: New file.
4795 * config/rs6000/rs6000.c: Include tm-constrs.h.
4796 (num_insn_constant_wide): Convert to satisfies_constraint.
4797 (rs6000_rtx_costs): Convert to satisfies_constraint.
4798 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4799 (CONST_OK_FOR_LETTER_P): Delete.
4800 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4801 (EXTRA_CONSTRAINT): Delete.
4802 (EXTRA_MEMORY_CONSTRAINT): Delete.
4803 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4804 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4805 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4806 satisfies_constraint.
4808 * config/i386/i386.c: Include tm-constrs.h.
4810 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4812 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4813 * tree-data-ref.c (find_data_references_in_loop,
4814 compute_data_dependences_for_loop): Use pointers to VEC.
4815 (analyze_all_data_dependences): Adjust calls.
4816 * tree-data-ref.h (find_data_references_in_loop,
4817 compute_data_dependences_for_loop): Adjust declarations.
4818 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4819 compute_data_dependences_for_loop.
4821 2006-03-29 Paul Brook <paul@codesourcery.com>
4823 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4826 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4828 PR tree-optimization/26859
4829 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4831 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4832 for the step after fold_convert.
4834 2006-03-29 Paul Brook <paul@codesourcery.com>
4836 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4837 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4839 2006-03-29 Paul Brook <paul@codesourcery.com>
4842 * targhooks.c (default_narrow_bitfield): New fuction.
4843 * targhooks.h (default_narrow_bitfield): add prototype.
4844 * target.h (gcc_target): Add narrow_volatile_bitfield.
4845 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4846 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4847 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4848 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4850 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4852 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4854 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4855 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4856 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4857 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4858 (s390_function_arg_float): Allow SDmode and DDmode values to be
4859 passed in floating point registers.
4860 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4861 check with SCALAR_FLOAT_MODE_P.
4862 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4864 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4866 PR tree-optimization/25985
4867 * tree-ssa-loop-niter.c (number_of_iterations_le,
4868 number_of_iterations_ne): Make comments more precise.
4869 (number_of_iterations_cond): Add only_exit argument. Use the
4870 fact that signed variables do not overflow only when only_exit
4872 (loop_only_exit_p): New.
4873 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4874 number_of_iterations_cond.
4876 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4878 PR tree-optimization/26643
4879 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4882 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4884 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4885 (divsi3_i4_int): Likewise.
4887 2006-03-28 Roger Sayle <roger@eyesopen.com>
4889 * expr.c (emit_group_store): Only create a new pseudo reg if the
4890 quantity it needs to hold isn't already a suitable pseudo.
4892 2006-03-28 Jeff Law <law@redhat.com>
4894 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4895 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4897 2006-03-28 Roger Sayle <roger@eyesopen.com>
4899 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4900 the equivalent ~X & Y, and the symmetry related transformations.
4901 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4902 ~X & Y, and symmetry related transforms.
4904 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4906 Revert my 2006-03-27 patches.
4908 2006-03-28 Roger Sayle <roger@eyesopen.com>
4910 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4911 ~(T1)X, when T1 and T2 are integer types of the same precision
4912 and (T2)X isn't an extension.
4914 2006-03-28 Jeff Law <law@redhat.com>
4916 PR tree-optimization/26796
4917 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4918 need EH edge cleanups rather than purging them immediately.
4919 (eliminate_degenerate_phis): Handle queued EH cleanups.
4921 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4923 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4926 2006-03-27 Roger Sayle <roger@eyesopen.com>
4929 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4930 cast BIT_NOT_EXPR operand to the correct type.
4932 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4934 * tree-loop-linear.c: Don't include varray.h.
4935 (gather_interchange_stats, try_interchange_loops,
4936 linear_transform_loops): Use VEC instead of VARRAY.
4937 * lambda-mat.c: Don't include varray.h.
4938 * tree-chrec.c: Same.
4939 * lambda-trans.c: Same.
4940 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4941 VEC instead of VARRAY.
4942 * tree-vectorizer.h: Idem.
4943 * tree-data-ref.c (dump_data_references,
4944 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4945 initialize_data_dependence_relation, finalize_ddr_dependent,
4946 compute_all_dependences, find_data_references_in_loop,
4947 compute_data_dependences_for_loop, analyze_all_data_dependences,
4948 free_dependence_relation, free_dependence_relations,
4949 free_data_refs): Idem.
4950 * tree-data-ref.h (data_reference_p, subscript_p): New.
4951 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4952 VEC instead of VARRAY.
4953 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4954 (find_data_references_in_loop, compute_data_dependences_for_loop,
4955 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4956 dump_data_dependence_relations, free_dependence_relations,
4957 free_data_refs): Adjust declaration.
4958 (lambda_transform_legal_p): Move declaration here...
4959 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4960 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4961 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4962 vect_analyze_data_refs): Use VEC instead of VARRAY.
4963 * lambda.h (lambda_transform_legal_p): ...from here.
4964 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4965 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4966 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4967 tree-chrec.o): Don't depend on VARRAY_H.
4969 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4971 * rtl.def (Copyright): Update date.
4972 (DEPS_LIST): Change type of the second operand to 'int'.
4973 * target.h (Copyright): Update date.
4974 (struct gcc_target.speculate_insn): Change type of the second parameter
4976 * lists.c (Copyright): Update date.
4977 (alloc_DEPS_LIST): Change signature. Update reference to the second
4978 operand of the DEPS_LIST.
4979 (copy_DEPS_LIST_list): Update reference to the second operand of the
4981 * rtl.h (Copyright): Update date.
4982 (alloc_DEPS_LIST): Update signature.
4983 * sched-int.h (Copyright): Update date.
4984 (ds_t): Change typedef to 'int'.
4985 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4987 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4989 * haifa-sched.c (Copyright): Update date.
4990 (try_ready): Change condition to restore non-speculative pattern
4992 (process_insn_depend_be_in_spec): Code to keep probability of the
4993 speculative dependence non-decreasing.
4995 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4997 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4998 shut up the compiler.
5000 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5002 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5003 to use lib prefix for target.
5004 ($(T)libic_invalidate_array_4-200.a): Likewise.
5005 ($(T)libic_invalidate_array_4a.a): Likewise.
5007 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5008 J"orn Rennecke <joern.rennecke@st.com>
5010 * superh.opt: New file.
5011 * sh.c (boardtype, osruntime): Remove.
5012 * superh.h (SUBTARGET_OPTIONS): Remove.
5013 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5015 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5016 arguments with ^ and/or [].
5018 * config.gcc (sh-*-*): Add quoting to account for quirk of
5020 Replace == with = in enable_incomplete_targets test.
5022 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5023 with MASK_LITTLE_ENDIAN.
5025 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5026 * config/sh/sh.opt: Added to some comments.
5027 * config/sh/superh.h: Removed some chaff.
5029 * config/sh/sh.opt: Add m4-[1234]00* options.
5030 * config/sh/sh.c (sh_handle_option): Likewise.
5031 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5032 (ic_invalidate_array_4-100.o): New rule.
5033 ($(T)libic_invalidate_array_4-100.a): Likewise.
5034 (ic_invalidate_array_4-200.o): Likewise.
5035 ($(T)libic_invalidate_array_4-200.a): Likewise.
5036 (ic_invalidate_array_4a.o): Likewise.
5037 ($(T)libic_invalidate_array_4a.a): Likewise.
5038 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5039 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5041 * config/sh/crt1.asm: Merged in profiling code.
5042 * config/sh/superh.h (STARTFILE_SPEC): Override.
5043 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5044 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5045 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5047 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5048 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5049 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5051 * sh.opt (mpretend-cmove): New option.
5052 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5053 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5054 (movsicc): Add TARGET_PRETEND_CMOVE code.
5056 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5058 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5059 s390_class_max_nregs): New function prototypes.
5060 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5061 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5062 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5063 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5065 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5067 * dwarf2out.c (add_location_or_const_value_attribute): Call
5068 tree_add_const_value_attribute if nothing else works.
5069 (reference_to_unused): New.
5070 (rtl_for_decl_init): Use reference_to_unused to decide whether
5071 to output an initializer.
5073 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5076 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5077 peephole removing spe frob_di_df_2.
5079 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5081 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5082 (subscript_dependence_tester_1): Declared.
5083 (print_dir_vectors, print_dist_vectors): New.
5084 (debug_data_dependence_relation): New.
5085 (dump_data_dependence_relation): Print more details.
5086 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5087 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5088 (save_dist_v, save_dir_v, add_outer_distances,
5089 build_classic_dist_vector_1): New.
5090 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5091 Don't test for lambda_vector_lexico_pos.
5092 (same_access_functions, add_multivariate_self_dist,
5093 add_other_self_distances, dir_from_dist): New.
5094 (build_classic_dir_vector): Replace implementation almost identical to
5095 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5097 (subscript_dependence_tester_1): New.
5098 (subscript_dependence_tester): Handle the lexicographically negative
5099 distance vectors by recomputing the dependence relation.
5100 (compute_affine_dependence): Remove parameter loop_nest_depth.
5101 (compute_self_dependence): Don't call compute_subscript_distance.
5102 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5103 Add a parameter for the loop_nest.
5104 (find_loop_nest_1, find_loop_nest): New.
5105 (compute_data_dependences_for_loop): Compute the loop nest, and give
5106 up if the nest is not well formed.
5107 * tree-data-ref.h (loop_p): New.
5108 (struct data_dependence_relation): Replace size_vect field with
5109 loop_nest, a vec of loops.
5110 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5111 (DDR_LOOP_NEST): New.
5112 (print_dir_vectors, print_dist_vectors,
5113 debug_data_dependence_relation): Declared.
5114 (index_in_loop_nest): New.
5115 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5116 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5119 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5121 * simplify-rtx.c (simplify_relational_operation): Call
5122 simplify_relational_operation_1 even if mode is VOIDmode.
5124 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5126 PR tree-optimization/26804
5127 * tree.h (DECL_CALL_CLOBBERED): New macro.
5128 (tree_decl_common): Add call_clobbered_flag.
5129 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5130 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5131 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5132 (mark_non_addressable): Ditto.
5133 * tree-ssa.c (verify_call_clobbered): New function.
5134 (verify_alias_info): Use it.
5135 * tree-pass.h (pass_reset_cc_flags): New prototype.
5136 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5137 (reset_cc_flags): New function.
5138 * passes.c (init_optimization_passes): Call reset_cc_flags after
5139 initializing referenced_vars.
5141 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5142 Roger Sayle <roger@eyesopen.com>
5145 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5146 to 1.0 for non-real operands. Implement A / A optimization for
5149 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5151 * config/i386/i386.c (size_cost): Correct the comment for
5152 cost of storing fp registers.
5153 (i386_cost): Likewise.
5154 (i486_cost): Likewise.
5155 (pentium_cost): Likewise.
5156 (pentiumpro_cost): Likewise.
5157 (k6_cost): Likewise.
5158 (athlon_cost): Likewise.
5159 (k8_cost): Likewise.
5160 (pentium4_cost): Likewise.
5161 (nocona_cost): Likewise.
5162 (generic64_cost): Likewise.
5163 (generic32_cost): Likewise.
5165 2006-03-24 Denis Chertykov <denisc@overta.ru>
5167 * config/avr/avr-protos.h (extra_constraint): Delete.
5168 (extra_constraint_Q): New declaration.
5169 * config/avr/constraints.md: New file.
5170 * config/avr/avr.md: Include it.
5171 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5172 (TMP_REGNO, ZERO_REGNO): Likewise.
5173 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5174 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5175 (extra_constraint): Delete.
5176 (extra_constraint_Q): Test for memory constraint 'Q'.
5177 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5178 (REG_CLASS_FROM_LETTER): Delete.
5179 (CONST_OK_FOR_LETTER_P): Delete.
5180 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5181 (EXTRA_CONSTRAINT): Delete.
5182 (TMP_REGNO): Delete.
5183 (ZERO_REGNO): Delete.
5185 2006-03-24 Jeff Law <law@redhat.com>
5187 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5188 directly. Call mark_new_vars_to_rename slightly earlier.
5190 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5192 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5194 (gen_compile_unit_die): Use new language types for Objective-C and
5196 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5197 DW_LANG_C_plus_plus.
5200 * config/t-darwin (crt3.o): Work around bug 26840.
5201 * config/darwin-crt3.c: Rewrite.
5202 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5204 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5206 * doc/invoke.texi: Document -femit-class-debug-always
5207 * common.opt: Add -femit-class-debug-always.
5209 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5211 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5212 index and base register.
5213 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5214 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5215 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5216 REGNO_OK_FOR_INDEX_P.
5217 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5219 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5220 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5221 REG_OK_FOR_BASE_P): Definitions removed.
5223 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5226 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5227 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5228 set yet or weren't marked as local yet.
5230 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5232 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5235 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5237 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5238 (rs6000_legitimate_small_data_p): Delete.
5239 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5240 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5241 and make static. Add forward declaration. Update uses.
5242 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5243 of offsettable_memref_p.
5244 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5245 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5247 2006-03-24 Jeff Law <law@redhat.com>
5249 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5250 around bug in immediate-use iterator.
5252 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5255 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5256 or __LITTLE_ENDIAN__.
5258 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5260 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5261 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5262 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5263 * config/sh/sh.opt (mdiv=): Amend description.
5264 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5265 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5266 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5267 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5268 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5269 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5270 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5271 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5272 TARGET_DIVIDE_CALL_FP.
5274 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5276 * haifa-sched.c (choose_ready): Fix type of the local variable.
5277 Move local variables. Add comment.
5278 (check_reg_live): Change signature. Make callable from debugger.
5279 * sched-int.h (check_reg_live): Update signature.
5280 * sched-ebb.c (check_reg_live): Update parameters.
5281 * sched-rgn.c (check_reg_live): Ditto.
5282 (region_head_or_leaf_p): Check pointer before dereferencing.
5283 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5284 before reload on optimization levels below 1.
5286 2006-03-23 Richard Henderson <rth@redhat.com>
5288 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5292 * config/alpha/predicates.md (local_symbolic_operand): Reject
5295 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5298 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5299 expressions which have overflowed constants.
5301 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5303 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5305 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5307 * cfgloopmanip.c (create_loop_notes): Removed.
5308 * final.c (final_scan_insn): Do not handle loop notes.
5309 * jump.c (squeeze_notes): Ditto.
5310 * cfglayout.c (skip_insns_after_block,
5311 duplicate_insn_chain): Ditto.
5312 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5314 * cfgloop.h (create_loop_notes): Declaration removed.
5316 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5318 * varasm.c (output_constant_pool): Restore fnname and fndecl
5320 (assemble_start_function): Adjust call accordingly.
5321 (assemble_end_function): Likewise.
5323 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5326 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5329 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5331 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5334 * system.h (ICE_EXIT_CODE): New macro.
5335 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5336 (diagnostic_action_after_output): Likewise.
5337 * gcc.c (fatal_ice): New function.
5338 (execute): Use it instead of fatal.
5339 (fancy_abort): Likewise.
5340 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5342 2006-03-22 Jeff Law <law@redhat.com>
5344 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5345 iv_analyze_result returning false.
5347 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5349 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5351 2006-03-22 Richard Henderson <rth@redhat.com>
5354 * except.c (duplicate_eh_regions_0): New.
5355 (duplicate_eh_region_1): Duplicate the children of the node as
5356 well as the node itself. Link them up properly.
5357 (duplicate_eh_region_2): Merge into ...
5358 (duplicate_eh_regions): ... here. Take copy_region argument, and
5359 copy only a sub-tree if asked. Simplify copying and fixup.
5360 (eh_region_outer_p): New.
5361 * except.h (duplicate_eh_regions): Update decl.
5362 (eh_region_outer_p): Declare.
5363 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5364 (lower_omp_master): Likewise.
5365 (lower_omp_ordered): Likewise.
5366 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5367 (move_stmt_r): Use it to remap labels. Handle recursion vs
5368 remap_decls_p properly.
5369 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5370 (find_outermost_region_in_block): New.
5371 (new_label_mapper): New.
5372 (move_sese_region_to_fn): Copy eh information to the new function
5374 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5376 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5379 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5381 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5382 into shared libraries.
5384 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5386 * doc/md.texi: Refer to i386/constraints.md instead of
5388 * config/i386/constraints.md: New file, extracted from...
5389 * config/i386/predicates.md: ...here.
5390 * config/i386/i386.md: Include constraints.md.
5392 2006-03-21 Jason Merrill <jason@redhat.com>
5394 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5397 * expr.c (init_block_move_fn): Force default visibility.
5398 (init_block_clear_fn): Likewise.
5399 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5400 * targhooks.c (default_external_stack_protect_fail): Likewise.
5402 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5404 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5405 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5406 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5407 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5408 (loadgp): Use mips_current_loadgp_style.
5409 (loadgp_noshared): New pattern.
5410 (sibcall_internal): Use MIPS_CALL.
5411 (sibcall_value_internal): Likewise.
5412 (sibcall_value_multiple_internal): Likewise.
5413 (call_internal): Likewise.
5414 (call_value_internal): Likewise.
5415 (call_value_multiple_internal): Likewise.
5416 (call_split): Use MIPS_CALL and add an 'S' constraint.
5417 (call_value_split): Likewise.
5418 (call_value_multiple_split): Likewise.
5419 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5420 (-mshared): New option.
5421 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5422 (mips_current_loadgp_style): Declare.
5423 * config/mips/mips.c (mips_classify_symbol): Avoid using
5424 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5425 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5426 TARGET_ABSOLUTE_ABICALLS.
5427 (override_options): Adjust comments. Improve the warning that is
5428 issued when -mabicalls and -G are used together.
5429 (mips_file_start): Remove comment.
5430 (mips_current_loadgp_style): New function.
5431 (mips_gnu_local_gp): New variable.
5432 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5434 (mips_output_function_prologue): Use mips_current_laodgp_style.
5435 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5436 the cprestore instruction.
5437 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5438 live for TARGET_ABSOLUTE_ABICALLS.
5439 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5440 (ASM_SPEC): Pass down -mshared and -mno-shared.
5441 (MIPS_CALL): New macro.
5442 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5444 * doc/invoke.texi (-mabicalls): Update documentation.
5445 (-mshared): Document.
5447 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5449 * config/ia64/unwind-hpux.c: New file.
5450 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5452 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5455 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5457 2006-03-21 Jeff Law <law@redhat.com>
5459 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5460 type conversions of a VR_VARYING source to a wider type.
5462 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5464 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5465 tm_file on Solaris 10 and later.
5466 (sparc64-*-solaris2*): Likewise.
5467 (sparc-*-solaris2*): Likewise.
5468 * config/sol26.h: Rename to config/sol2-6.h.
5469 * config/sol2-10.h: New file.
5471 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5474 * tree-ssa-pre.c (create_component_ref_by_pieces):
5477 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5480 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5481 return it immediately.
5483 2006-03-21 Michael Matz <matz@suse.de>
5485 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5487 (remove_arc, add_arc): Update num_out_arcs member.
5488 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5490 (cache_presence): New function.
5491 (compare_states_for_equiv): New function.
5492 (state_is_differed): Don't take number of outargs, adjust callers.
5493 Use new invariant for speeding up.
5494 (init_equiv_class): Create initial classes based on sorted
5496 (partition_equiv_class): Don't track out_arcs_num.
5497 (evaluate_equiv_classes): Call cache_presence on all states and
5500 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5502 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5503 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5504 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5505 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5507 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5508 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5509 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5510 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5511 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5513 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5514 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5515 (REGNO_REG_CLASS): ARGP is in PREGS.
5516 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5518 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5519 to deal with those addresses.
5520 * addresses.h: New file.
5521 * caller-save.c: Include "addresses.h".
5522 (init_caller_save): Use new base_reg_class function.
5523 * rtl-factoring.c: Include "addresses.h".
5524 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5525 * recog.c: Include "addresses.h".
5526 (preprocess_constraints): Use new base_reg_class function.
5527 * regrename.c: Include "addresses.h".
5528 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5529 functions. Keep track of a new var INDEX_CODE to compute valid
5531 (replace_oldest_value_addr): Likewise.
5532 (replace_oldest_value_mem): Use base_reg_class.
5533 * reload.c: Include "addresses.h".
5534 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5535 (find_reloads): Use new base_reg_class function.
5536 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5537 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5538 all callers and prototype changed.
5539 * reload1.c: Include "addresses.h".
5540 (maybe_fix_stack_asms): Use base_reg_class.
5541 * regclass.c: Include "addresses.h".
5542 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5543 (init_reg_autoinc): Use new base_reg_class function.
5544 (record_reg_classes): Likewise.
5545 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5546 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5547 Use new args to compute necessary class.
5549 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5550 regrename.o, rtl-factoring.o): Update dependencies.
5551 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5552 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5553 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5554 REG_OK_FOR_INDEX_P): Delete documentation.
5556 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5558 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5559 from V7 to V9 for Solaris 7 and above.
5561 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5563 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5564 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5565 argument pointers may not alias any other storage.
5566 * common.opt: Define option -fargument-noalias-anything.
5567 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5568 alias semantics is specified by flag_argument_noalias > 2.
5570 2006-03-20 Jeff Law <law@redhat.com>
5572 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5573 (pass_phi_only_cprop): Declare.
5574 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5576 * tree-ssa-dom.c (degenerate_phi_result): New function.
5577 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5578 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5579 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5580 (eliminate_degenerate_phis): Likewise.
5581 (pass_phi_only_cprop): New pass descriptor.
5582 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5583 support code. Callers updated.
5584 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5585 (store_copy_prop): Likewise.
5586 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5588 2006-03-20 Jason Merrill <jason@redhat.com>
5591 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5592 (push_visibility, pop_visibility): Likewise.
5593 * c-pragma.h: Declare them.
5595 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5597 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5599 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5600 parameter and use get_ebb_head_tail.
5601 (sh_md_init_global): Adjust uses of find_regmode_weight.
5603 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5605 * function.h (struct function) <x_tail_recursion_reentry>:
5606 Rename to x_stack_check_probe_note.
5607 (tail_recursion_reentry): Rename to stack_check_probe_note.
5608 * function.c: Replace tail_recursion_reentry with
5609 stack_check_probe_note everywhere.
5610 (expand_function_start): Only emit a note for
5611 stack_check_probe_note with -fstack-protect.
5612 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5614 * emit-rtl.c (remove_unnecessary_notes): Remove.
5615 (pass_remove_unnecessary_notes): Remove.
5616 * rtl.h (remove_unnecessary_notes): Remove prototype.
5617 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5618 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5619 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5621 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5624 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5625 (valid_in_set): Handle ARRAY_REF.
5626 Change "if min_variant or VH" to asserts.
5627 (create_component_ref_by_pieces): Handle ARRAY_REF.
5628 (create_expression_by_pieces): Likewise.
5629 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5631 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5633 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5634 is operand of switch, not str[0].
5636 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5638 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5639 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5641 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5643 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5644 end of insn_extra_address_constraint declaration.
5646 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5648 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5649 (no-sum-in-toc): Same.
5650 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5652 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5653 NO_FP_IN_TOC for -fPIC instead of mask.
5655 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5656 (BOOT_LDFLAGS): Delete.
5658 * config/rs6000/t-aix52: Same.
5660 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5661 (stmsi[345678]_power): New.
5663 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5665 * config/ia64/ia64.opt: Add empty line to end of file.
5667 2006-03-17 Richard Guenther <rguenther@suse.de>
5670 * builtins.c (get_pointer_alignment): For component style references
5671 adjust alignment to the component type alignment. Make sure
5672 to adjust alignment for component access of constants.
5674 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5676 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5679 2006-03-17 Paul Brook <paul@codesourcery.com>
5681 * doc/install.texi: Docuemnt --with-mode.
5682 * config.gcc: Add --with-mode for arm*-*-*.
5683 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5685 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5687 * sh.c (max_labelno_before_reorg): New variable.
5688 (sh_reorg): Initialize it.
5689 (find_barrier): Check max_labelno_before_reorg before using
5690 label_to_alignment. Take length of explicit alignment insns
5691 into account. When seeing a UNSPECV_CONST_END, return it.
5693 * sh.c (fixup_mova): Set mode of affected label to QImode.
5694 (untangle_mova): New function.
5695 (find_barrier): Use it. Check mode of label before decrementing
5697 (sh_reorg): Likewise.
5698 Set mode of all insns back to VOIDmode.
5700 * sh.c (MOVA_LABELREF): New macro.
5701 (mova_p, fixup_mova, sh_reorg): Use it.
5702 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5703 ADDR_DIFF_VEC matches mova.
5705 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5707 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5708 with ATTRIBUTE_UNUSED.
5710 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5712 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5713 pointer, instead of assuming it is possible to derive the
5714 correct args size from a call insn.
5716 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5718 * rtl.h (CONST_INT_P): Define.
5719 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5720 instead of GET_CODE(x) == CONST_INT.
5721 (vax_rtx_costs): Likewise.
5722 (vax_output_int_move): Likewise.
5723 (vax_output_int_add): Likewise.
5724 (legitimate_constant_address_p): Likewise.
5725 (index_term_p): Likewise.
5726 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5727 * config/vax/vax.md (and<mode>3): Likewise.
5728 (ashrsi3): Likewise.
5730 (movstricthi): Likewise.
5731 (movstrictqi): Likewise.
5732 (rotrsi3): Likewise.
5733 (five unnamed insns): Likewise.
5735 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5737 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5738 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5739 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5740 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5741 Pass to ASM_OUTPUT_DWARF_OFFSET.
5742 * dwarf2out.c (debug_frame_section): New.
5743 (output_call_frame_info): Use debug_frame_section. Pass it to
5744 dw2_asm_output_offset.
5745 (output_die): Pass appropriate section to dw2_asm_output_offset.
5746 (output_compilation_unit_header): Likewise.
5747 (output_pubnames): Likewise.
5748 (output_aranges): Likewise.
5749 (enum dw_val_class): Break dw_val_class_lbl_offset into
5750 dw_val_class_lineptr and dw_val_class_macptr.
5751 (add_AT_lbl_offset): Delete.
5752 (add_AT_lineptr): New.
5753 (add_AT_macptr): New.
5754 (AT_lbl): Expect a lineptr or macptr.
5755 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5756 (attr_checksum): Likewise.
5757 (same_dw_val_p): Likewise.
5758 (size_of_die): Likewise.
5759 (value_format): Likewise.
5760 (output_die): Likewise.
5761 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5763 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5764 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5765 * config/darwin-protos.h (darwin_file_start): New.
5766 (darwin_asm_output_dwarf_offset): New.
5767 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5768 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5770 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5771 if not EH section; simplify.
5772 (darwin_file_start): New.
5773 (darwin_asm_output_dwarf_offset): New.
5774 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5776 (DEBUG_INFO_SECTION): Likewise.
5777 (DEBUG_ABBREV_SECTION): Likewise.
5778 (DEBUG_ARANGES_SECTION): Likewise.
5779 (DEBUG_MACINFO_SECTION): Likewise.
5780 (DEBUG_LINE_SECTION): Likewise.
5781 (DEBUG_LOC_SECTION): Likewise.
5782 (DEBUG_PUBNAMES_SECTION): Likewise.
5783 (DEBUG_STR_SECTION): Likewise.
5784 (DEBUG_RANGES_SECTION): Likewise.
5785 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5786 (ASM_OUTPUT_DWARF_OFFSET): New.
5788 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5790 * config.gcc (tm_defines): Always add to previous value rather
5793 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5795 * config/mips/predicates.md (splittable_const_int_operand): New,
5796 split from move_operand.
5797 (splittable_symbolic_operand): New.
5798 (move_operand): Add commentary. Use splittable_const_int_operand.
5799 Inline mips_atomic_symbolic_constant_p.
5800 * config/mips/mips.md: Add combine splitters for handling moves
5801 of splittable_const_int_operands and splittable_symbolic_operands.
5802 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5803 (mips_split_symbol): Declare.
5804 (mips_move_integer): Declare.
5805 * config/mips/mips.c (mips_split_p): Make global.
5806 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5807 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5808 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5809 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5810 (mips_offset_within_object_p): Handle block symbols.
5811 (mips_atomic_symbolic_constant_p): Delete.
5812 (mips_cannot_force_const_mem): Return false for constants that
5813 mips_legitimize_move can handle.
5814 (mips_use_blocks_for_constant_p): New function.
5815 (mips_split_symbol): Make global.
5816 (mips_move_integer): Likewise. Add a temporary register argument.
5817 (mips_legitimize_const_move): Use splittable_const_int_operand and
5818 splittable_symbolic_operand.
5819 (mips_use_anchors_for_symbol_p): New function.
5820 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5821 (mips_split_p): Declare.
5823 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5825 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5826 (mips*-*-linux*): Likewise.
5828 2006-03-16 Roger Sayle <roger@eyesopen.com>
5829 Daniel Speyer <dspeyer@wam.umd.edu>
5832 * tree-dump.c (dump_real): New function.
5833 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5834 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5835 (tree-dump.o): Add $(REAL_H) to the dependencies.
5837 2006-03-16 Roger Sayle <roger@eyesopen.com>
5840 * real.c (real_from_string): If the mantissa is zero, don't bother
5841 parsing the exponent as the result should always be zero.
5843 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5845 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5847 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5849 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5850 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5851 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5852 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5853 ia64_sched_finish_global): New static functions to implement
5854 hooks from gcc_target.sched.
5855 (spec_check_no, max_uid, pending_data_specs): New static variables.
5856 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5857 ia64_spec_check_src_p): New static functions.
5858 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5859 (TARGET_SCHED_ADJUST_COST): Removed.
5860 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5861 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5862 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5863 TARGET_SCHED_GEN_CHECK,
5864 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5865 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5866 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5867 Fixed to handle speculation checks.
5868 (rtx_needs_barrier): Fixed to handle speculative loads and
5870 (ia64_variable_issue): Added code to count speculative loads and their
5872 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5874 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5876 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5878 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5879 (ia64_reorg): Reset stops_p to NULL after it is freed.
5880 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5881 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5882 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5884 (data_speculative, control_speculative, check_load): New attributes.
5885 (mov<mode>_advanced, mov<mode>_speculative,
5886 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5887 zero_extend<mode>di2_speculative,
5888 zero_extend<mode>di2_speculative_advanced): New patterns for
5889 data and control speculative loads.
5890 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5892 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5893 New pattern for data and control speculation checks.
5894 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5895 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5896 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5897 Auxiliary definitions for the patterns.
5898 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5899 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5901 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5903 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5904 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5905 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5906 New resource constraints.
5907 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5909 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5910 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5911 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5912 msched-in-control-spec, msched-ldc, msched-control-ldc,
5913 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5914 msched-prefer-non-control-spec-insns,
5915 msched-count-spec-in-critical-path): New flags to tune speculative
5917 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5918 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5919 msched-in-control-spec, msched-ldc, msched-control-ldc,
5920 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5921 msched-prefer-non-control-spec-insns,
5922 msched-count-spec-in-critical-path): Document new flags.
5924 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5926 * target.h (struct spec_info_def): New opaque declaration.
5927 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5928 speculate_insn, needs_block_p, gen_check,
5929 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5930 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5931 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5932 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5933 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5934 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5936 (TARGET_SCHED): Use new macros.
5937 * rtl.h (copy_DEPS_LIST_list): New prototype.
5938 * sched-int.h (struct sched_info): Change signature of new_ready field,
5939 adjust all initializations. New fields: add_remove_insn,
5940 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5941 region_head_or_leaf_p.
5942 (struct spec_info_def): New structure declaration.
5943 (spec_info_t): New typedef.
5944 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5945 recovery_block, orig_pat.
5946 (glat_start, glat_end): New variables declaraions.
5947 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5949 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5950 DETACH_LIFE_INFO, USE_GLAT.
5951 (enum SPEC_SCHED_FLAGS): New enumeration.
5952 (NOTE_NOTE_BB_P): New macro.
5953 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5954 attach_life_info, debug_spec_status, check_reg_live): New functions.
5955 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5956 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5958 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5959 * ddg.c (get_block_head_tail): Adjust all uses.
5960 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5961 (sms_sched_info): Initialize new fields.
5962 (contributes_to_priority): Removed.
5963 * haifa-sched.c (params.h): New include.
5964 (get_block_head_tail): Adjust all uses.
5965 (ISSUE_POINTS): New macro.
5966 (glat_start, glat_end): New global variables.
5967 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5968 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5969 old_last_basic_block, before_recovery, current_sched_info_var,
5970 rgn_n_insns, luid): New static variables.
5971 (insn_cost1): New function. Move logic from insn_cost to here.
5972 (find_insn_reg_weight1): New function. Move logic from
5973 find_insn_reg_weight to here.
5974 (reemit_notes, move_insn, max_issue): Change signature.
5975 (move_insn1): Removed.
5976 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5977 extend_bb): New static functions to support extension of scheduler's
5979 (generate_recovery_code, process_insn_depend_be_in_spec,
5980 begin_speculative_block, add_to_speculative_block,
5981 init_before_recovery, create_recovery_block, create_check_block_twin,
5982 fix_recovery_deps): New static functions to support
5983 generation of recovery code.
5984 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5985 restore_bb_notes, move_block_after_check, move_succs): New static
5986 functions to support ebb scheduling.
5987 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5988 functions to support handling of register live information.
5989 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5990 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5991 add_jump_dependencies): New static functions.
5992 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5993 consistancy checking.
5994 (debug_spec_status): New function to call from debugger.
5995 (priority): Added code to handle speculation checks.
5996 (rank_for_schedule): Added code to distinguish speculative instructions.
5997 (schedule_insn): Added code to handle speculation checks.
5998 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5999 Fixed to handle ebbs.
6000 (move_insn): Added code to handle ebb scheduling.
6001 (max_issue): Added code to use ISSUE_POINTS of instructions.
6002 (choose_ready): Added code to choose between speculative and
6003 non-speculative instructions.
6004 (schedule_block): Added code to handle ebb scheduling and scheduling of
6005 speculative instructions.
6006 (sched_init): Initialize new variables.
6007 (sched_finish): Free new variables. Print statistics.
6008 (try_ready): Added code to handle speculative instructions.
6009 * lists.c (copy_DEPS_LIST_list): New function.
6010 * sched-deps.c (extend_dependency_caches): New function. Move logic
6011 from create_dependency_caches to here.
6012 (get_dep_weak, ds_merge): Make global.
6013 * genattr.c (main): Code to output prototype for
6014 dfa_clear_single_insn_cache.
6015 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6016 (output_dfa_clean_insn_cache_func): Code to output
6017 dfa_clear_single_insn_cache function.
6018 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6020 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6022 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6023 New static variables.
6024 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6025 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6027 (ebb_sched_info): Initialize new fields.
6028 (get_block_head_tail): Adjust all uses.
6029 (compute_jump_reg_dependencies): Fixed to use glat_start.
6030 (schedule_ebb): Code to remove unreachable last block.
6031 (schedule_ebbs): Added code to update register live information.
6032 * sched-rgn.c (region_sched_info): Initialize new fields.
6033 (get_block_head_tail): Adjust all uses.
6034 (last_was_jump): Removed. Adjust users.
6035 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6036 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6037 Implement new hooks.
6038 (check_dead_notes1): New static function.
6039 (struct region): New fields: dont_calc_deps, has_real_ebb.
6040 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6041 (BB_TO_BLOCK): Fixed to handle EBBs.
6042 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6043 (ebb_head): New static variable.
6044 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6045 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6047 (compute_dom_prob_ps): New assertion.
6048 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6049 global_live_at_start.
6050 (init_ready_list): New assertions.
6051 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6052 (new_ready): Add support for BEGIN_CONTROL speculation.
6053 (schedule_insns): Fixed code that updates register live information
6055 (schedule_region): Fixed to handle EBBs.
6056 (init_regions): Use extend_regions and check_dead_notes1.
6057 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6058 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6059 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6060 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6061 TARGET_SCHED_GEN_CHECK,
6062 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6063 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6064 * doc/invoke.texi (max-sched-insn-conflict-delay,
6065 sched-spec-prob-cutoff): Document.
6067 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6069 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6070 inter_tick, queue_index.
6071 (struct sched_info): Change signature of init_ready_list field.
6072 Adjust all initializations.
6073 (RESOLVED_DEPS): New access macro.
6074 (ready_add): Remove prototype.
6075 (try_ready): Add prototype.
6076 * sched-rgn.c (init_ready_list): Use try_ready.
6077 (schedule_region): Initialize
6078 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6079 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6080 (init_ready_list): Use try_ready.
6081 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6082 * lists.c (remove_list_elem): Remove `static'.
6083 (remove_free_INSN_LIST_elem): New function.
6084 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6085 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6086 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6088 (readyp): New variable.
6089 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6090 change_queue_index, resolve_dep): New static functions.
6091 (try_ready): New function. Adjust callers in sched-rgn.c and
6092 sched-ebb.c to use it instead of ready_add.
6093 (clock_var): Move at the begining of file.
6094 (rank_for_schedule): Fix typo.
6095 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6096 (ready_lastpos): Enforce assertion.
6097 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6099 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6100 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6101 (queue_to_ready): Use free_INSN_LIST_list.
6102 (early_queue_to_ready): Fix typo.
6103 (schedule_block): Init readyp. Move init_ready_list call after the
6104 initialization of clock_var. Fix error in rejecting insn by
6105 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6106 that previously corrected INSN_TICKs. Add code for handling
6108 (set_priorities): Fix typo.
6109 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6110 Clarify comment and code that keeps current_sched_info->next_tail
6113 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6115 * sched-rgn.c (extend_rgns): New static function.
6116 (find_rgns): Use it.
6117 (gather_region_statistics, print_region_statistics): New static
6119 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6120 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6122 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6123 Andrey Belevantsev <abel@ispras.ru>
6125 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6126 * lists.c (unused_deps_list): New variable.
6127 (free_list): Add assertions to verify the proper distinguishing
6128 between INSN_LISTs and DEPS_LISTs.
6129 (find_list_elem, remove_list_elem, remove_list_node): New static
6131 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6132 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6133 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6134 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6136 (free_INSN_LIST_node): Likewise.
6137 * modulo-sched.c (current_sched_info): Initialize flags field.
6138 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6139 * rtl.def (DEPS_LIST): Define.
6140 * rtl.h: Declare new functions from lists.c.
6141 * sched-deps.c (spec_dependency_cache): New static variable.
6142 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6143 (add_dependence): Change return type to void. Move the logic to ...
6144 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6145 (delete_all_dependences): Add comment about forward_dependency_cache.
6146 Handle spec_dependency_cache. Handle DEPS_LISTs.
6147 (fixup_sched_groups): Clarify the change of priority of output
6148 and anti dependencies.
6149 (sched_analyze_2): Adjust add_dependence calls to create data
6150 speculative dependence.
6151 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6152 Adjust all callers. Handle DEPS_LISTS.
6153 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6154 presence of speculation.
6155 (init_dependency_caches, free_dependency_caches):
6156 Handle spec_dependency_cache.
6157 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6158 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6159 New static functions.
6160 (add_or_update_back_dep, add_or_update_back_forw_dep,
6161 add_back_forw_dep, delete_back_forw_dep): New functions.
6162 * sched-int.h (ds_t, dw_t): New typedefs.
6163 (struct sched_info): Add new field flags.
6164 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6165 Prototype new sched-deps.c functions.
6166 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6167 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6168 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6169 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6170 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6171 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6173 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6175 * sched-rgn.c (current_sched_info): Initialize flags field.
6176 (schedule_insns): Initialize current_sched_info before the sched_init
6178 * sched-ebb.c (current_sched_info): Initialize flags field.
6179 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6180 Call add_or_update_back_dep instead of add_dependence.
6181 Create control speculative dependencies.
6182 (schedule_insns): Initialize current_sched_info before the sched_init
6185 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6187 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6189 (sh_fallback_frame_state): Likewise.
6191 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6193 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6194 Do switch on default_use_cxa_atexit.
6195 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6196 * config/darwin-crt3.o: New.
6197 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6198 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6199 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6201 * config/rs6000/t-darwin: Move crt2.o building to here.
6202 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6203 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6206 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6208 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6209 from '! xxx' to '!xxx' for coding-style conformance.
6210 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6211 (EXTRA_CONSTRAINT): Likewise.
6212 * config/vax/vax.md (four unnamed insns): Likewise.
6214 2006-03-15 Paul Brook <paul@codesourcery.com>
6216 * config/arm/arm.c (minipool_pad): New.
6217 (add_minipool_forward_ref): Include pool alignment padding in address
6219 (push_minipool_fix): Set minipool_pad.
6220 (minipool_pad): Ditto.
6222 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6224 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6225 instead of GET_CODE() == MEM and REG_P() instead of
6227 (print_operand_address): Likewise.
6228 (vax_address_cost): Likewise.
6229 (vax_rtx_costs): Likewise.
6230 (vax_notice_update_cc): Likewise.
6231 (vax_output_int_add): Likewise.
6232 (INDEX_REGISTER_P): Likewise.
6233 (BASE_REGISTER_P): Likewise.
6234 (nonindexed_address_p): Likewise.
6235 (vax_mode_dependent_address_p): Likewise.
6236 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6237 (PRINT_OPERAND): Likewise.
6238 * config/vax/vax.md (ashlsi3): Likewise.
6239 (ashlsi3): Likewise.
6240 (some more unnamed insns): Likewise.
6242 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6244 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6245 iterator-style macro.
6246 (mark_control_dependent_edges_necessary): Update the use of
6247 EXECUTE_IF_CONTROL_DEPENDENT.
6249 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6251 * config/sh/predicates.md (cache_address_operand): Special.
6252 (ua_address_operand): Likewise.
6254 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6256 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6258 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6260 2006-03-15 Andreas Schwab <schwab@suse.de>
6262 * gensupport.c (identify_predicable_attribute): Don't free p_false
6263 when it is still in use.
6265 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6267 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6268 the default setting here.
6270 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6272 * tree-pass.h (pass_cfg): Remove.
6273 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6274 * passes.c (pass_cfg): Don't run it.
6276 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6278 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6279 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6281 (stack_regs_mentioned): Update the uses of
6282 stack_regs_mentioned_data. Don't access the array beyond its
6284 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6285 Don't include gt-reg-stack.h.
6287 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6288 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6290 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6293 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6296 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6298 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6300 2006-03-14 Richard Guenther <rguenther@suse.de>
6302 PR tree-optimization/26672
6303 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6306 2006-03-14 Richard Guenther <rguenther@suse.de>
6308 PR tree-optimization/26667
6309 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6310 node for the callees. Always allow inlining if it will shrink
6313 2006-03-14 Richard Guenther <rguenther@suse.de>
6316 * builtins.c (get_pointer_alignment): Prefer alignment
6317 information from decls over that from types.
6319 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6322 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6324 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6326 * config/rs6000/rs6000.opt (mdlmzb): New option.
6327 (msched-prolog, msched-epilog): Use Var not Mask.
6328 * doc/invoke.texi (-mdlmzb): Document.
6329 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6331 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6332 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6334 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6336 PR rtl-optimization/25739
6337 * bt-load.c (augment_live_range): Free tos pointer.
6339 * gensupport.c (identify_predicable_attribute): Free
6341 * gcov.c (create_file_names): Free name pointer.
6343 2006-03-13 Roger Sayle <roger@eyesopen.com>
6346 * stmt.c (emit_case_nodes): Handle the case where the index is a
6347 CONST_INT, where the comparison mode is specified by the index type.
6349 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6351 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6354 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6356 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6357 (*branch_fp_inverted): Likewise.
6359 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6362 * omp-low.c (expand_omp_for_generic): Mark istart0
6363 and iend0 as addressable.
6365 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6367 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6369 2006-03-13 Jeff Law <law@redhat.com>
6371 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6372 virtual operands are interesting.
6373 (vrp_visit_stmt): Corresponding changes.
6375 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6377 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6379 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6380 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6381 * config/bfin/crti.S: Use it instead of __PIC__.
6382 * config/bfin/crtn.S: Likewise.
6384 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6385 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6387 Lose 'G' modifier for call operand.
6388 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6389 recognize 'G' modifier.
6391 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6394 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6395 * stmt.c (expand_case): Likewise.
6397 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6399 PR rtl-optimization/26254
6400 * loop-invariant.c (seq_insns_valid_p): New function.
6401 (move_invariant_reg): Only emit new code if it is valid.
6403 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6405 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6407 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6408 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6409 (commit_one_edge_insertion): Do not look for loop notes.
6411 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6413 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6414 flag_test_coverage out of loop.
6416 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6418 * final.c (shorten_branches): Remove outdated comment, and turn
6419 the if branch that guards it to continue.
6421 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6423 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6424 * cfgloop.h (struct loop): Remove unused fields.
6426 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6428 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6429 (-dL, -fdump-rtl-loop2): Update the dump file names
6431 * doc/invoke.texi: Update dump file names.
6433 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6435 * predict.c (estimate_probability): Remove.
6436 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6437 * basic-block.h (estimate_probability): Remove prototype.
6438 * passes.c (finish_optimization_passes): Dump branch prediction or
6439 profiling heuristics to the .profile tree dump.
6440 (init_optimization_passes): Unqueue pass_branch_prob.
6442 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6444 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6446 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6447 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6449 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6451 * function.h (frame_offset_overflow): Declare.
6452 * function.c (frame_offset_overflow): New function.
6453 (assign_stack_local_1): Call it to detect that the offset overflows.
6454 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6456 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6458 * config/sh/sh.c: Include alloc-pool.h.
6459 (label_ref_list_pool): New alloc pool.
6460 (label_ref_list_t): New type for lists of labels.
6461 (struct pool_node): Make wend a label_ref_list_t.
6462 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6464 (dump_table): Likewise.
6465 (sh_reorg): Set up the alloc pool before using add_constant and
6466 dump_table, and destroy it when finishing.
6468 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6470 * config/mips/mips.c: Remove redundant comment.
6472 2006-03-10 Jason Merrill <jason@redhat.com>
6475 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6476 the target was declared 'register'.
6478 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6480 * genpreds.c (write_insn_constraint_len): Change definition of
6481 insn_constraint_len to return size_t to match the declaration.
6483 2006-03-10 DJ Delorie <dj@redhat.com>
6485 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6487 (m32c_expand_insv): Fix test for an AND mask.
6489 2006-03-10 Richard Guenther <rguenther@suse.de>
6492 * builtins.c (get_pointer_alignment): Handle component
6493 references for field alignment.
6495 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6497 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6498 when building with libgloss.
6499 (sh*elf): Implement --without-fp option.
6500 (sh64-superh-linux*): Don't multilib.
6502 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6504 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6506 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6508 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6509 Set it when one of the replacement functions returned true.
6510 Return TODO_cleanup_cfg if cfgchanged is true.
6511 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6513 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6515 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6516 instead of gen_lowpart.
6518 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6520 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6522 (mips_output_order_conditional_branch): Declare.
6523 * config/mips/mips.h (MIPS_BRANCH): New macro.
6524 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6525 for the comparison. Use gen_condjump.
6526 (mips_output_conditional_branch): Rework interface to take the
6527 asm templates for a direct branch and the inverse of a direct branch.
6528 (mips_output_order_conditional_branch): New function.
6529 (mips_builtin_branch_and_move): New function.
6530 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6531 branch condition. Use gen_single_cc as the condition for
6532 __builtin_mips_upper_* or __builtin_mips_lower_*.
6533 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6534 Use VOIDmode for the branch condition.
6535 * config/mips/predicates.md (order_operator): New predicate.
6536 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6537 (branch_fp): Rename to...
6538 (*branch_fp): ...this. Remove mode from comparison operator.
6539 Use new mips_output_conditional_branch interface.
6540 (branch_fp_inverted): Rename to...
6541 (*branch_fp_inverted): ...this and update as for *branch_fp.
6542 (*branch_zero<mode>): Rename to...
6543 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6544 Use mips_output_order_conditional_branch. Only accept ordered
6546 (*branch_zero<mode>_inverted): Rename to...
6547 (*branch_order<mode>_inverted): ...this and update as for
6548 *branch_order<mode>.
6549 (*branch_equality<mode>): Accept zero as the second operand to
6550 the equality operator. Use the new mips_output_conditional_branch
6552 (*branch_equality<mode>_inverted): Likewise.
6553 (condjump): New expander.
6554 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6556 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6557 (bc1any2t, bc1any2f): Likewise.
6558 (single_cc): New expander.
6559 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6561 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6563 * doc/md.texi: Update documentation of MIPS constraints.
6564 * config/mips/constraints.md: New file.
6565 * config/mips/mips.md: Include it.
6566 * config/mips/mips.c (mips_char_to_class): Delete.
6567 (override_options): Don't initialize mips_char_to_class.
6568 * config/mips/mips.h (mips_char_to_class): Delete.
6569 (REG_CLASS_FROM_LETTER): Delete.
6570 (CONST_OK_FOR_LETTER_P): Delete.
6571 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6572 (EXTRA_CONSTRAINT_Y): Delete.
6573 (EXTRA_CONSTRAINT_STR): Delete.
6574 (CONSTRAINT_LEN): Delete.
6575 (EXTRA_MEMORY_CONSTRAINT): Delete.
6577 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6579 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6580 original fn's eh regions.
6582 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6584 * fold-const.c (build_range_check): Make sure to use a valid type to
6585 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6588 (range_predecessor): New static function.
6589 (range_successor): Likewise.
6590 (merge_ranges): Use them to compute predecessors and successors of
6593 2006-03-09 Roger Sayle <roger@eyesopen.com>
6596 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6597 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6599 2006-03-08 DJ Delorie <dj@redhat.com>
6601 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6602 (addpsi3): Expand to include memory operands. Remove
6603 reload-specific splits.
6604 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6605 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6606 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6607 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6608 (shift1_qi, shift1_hi, insv): New.
6609 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6610 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6611 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6613 * config/m32c/m32c-protos.h: Update as needed.
6614 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6615 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6616 Fail for unrecognized R* constraints.
6617 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6618 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6619 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6621 (m32c_init_libfuncs): New.
6622 (m32c_legitimate_address_p): Add debug wrapper.
6623 (m32c_rtx_costs): New.
6624 (m32c_address_cost): New.
6625 (conversions): Add 'B' prefix.
6626 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6627 operands, or word regnames for QI operands. 'B' prints bit
6629 (m32c_expand_setmemhi): New.
6630 (m32c_expand_movmemhi): New.
6631 (m32c_expand_movstr): New.
6632 (m32c_expand_cmpstr): New.
6633 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6634 (m32c_expand_neg_mulpsi3): Handle non-ints.
6635 (m32c_cmp_flg_0): New.
6636 (m32c_expand_movcc): New.
6637 (m32c_expand_insv): New.
6638 (m32c_scc_pattern): New.
6639 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6640 a0/a1 out of SIregs.
6641 (STORE_FLAG_VALUE): New.
6642 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6645 * config/m32c/mov.md: Make constraints more liberal.
6646 (zero_extendqihi2): Optimize r0/r1 case.
6647 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6648 * config/m32c/predicates.md (m32c_any_operand): New.
6649 (m32c_nonimmediate_operand): New.
6650 (m32c_hl_operand): New.
6651 (m32c_r3_operand): New.
6654 (memsym_operand): New.
6655 (memimmed_operand): New.
6656 (a_qi_operand): New.
6657 (m32c_eqne_operator): New.
6658 (m32c_1bit8_operand): New.
6659 (m32c_1bit16_operand): New.
6660 (m32c_1mask8_operand): New.
6661 (m32c_1mask16_operand): New.
6662 * config/m32c/blkmov.md: New file.
6663 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6665 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6667 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6668 unsigned to fix signed/unsigned comparison issue in
6669 DWARF2_FRAME_REG_OUT.
6670 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6671 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6673 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6674 of ptr into the ENABLE_CHECKING section.
6676 2006-03-08 Jeff Law <law@redhat.com>
6678 * tree-vrp.c (infer_value_range): Only count pointer uses
6679 and dereferences if -fdelete-null-pointer-checks is enabled.
6681 * tree-vrp.c (find_assert_locations): Infer value ranges for
6682 single use pointers, but do not create ASSERT_EXPRs for them.
6683 When a non-null range is inferred for a pointer, backwards
6684 propagate that range to other equivalent pointers through the
6687 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6690 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6691 language hook targets.
6692 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6693 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6694 if language hook targets were missing.
6696 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6698 * tree-ssa-opfinalize.h: Removed.
6699 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6701 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6702 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6703 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6704 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6705 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6706 finalize_ssa_v_must_def_ops): New.
6708 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6710 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6713 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6715 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6717 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6718 addresses with offsets; reorganize.
6720 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6721 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6722 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6724 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6727 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6729 2006-03-08 Ben Elliston <bje@au.ibm.com>
6731 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6733 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6736 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6739 2006-03-07 Richard Guenther <rguenther@suse.de>
6741 PR tree-optimization/26587
6742 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6744 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6746 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6748 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6750 * hooks.c (hook_bool_mode_rtx_true): New function.
6751 * hooks.h (hook_bool_mode_rtx_true): Declare.
6752 * toplev.c (compile_file): Call output_shared_constant_pool.
6753 * varasm.c (shared_constant_pool): New variable.
6754 (assemble_start_function, assemble_end_function): Remove arguments
6755 from call to output_constant_pool.
6756 (create_constant_pool): New function, split out from...
6757 (init_varasm_status): ...here.
6758 (force_const_mem): Choose between the shared and per-function constant
6759 pools. Set current_function_uses_const_pool when reusing old entries
6760 as well as when creating new ones.
6761 (mark_constant): Ignore data argument.
6762 (mark_constants): Remove pool argument.
6763 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6764 to decide whether the function uses a constant pool.
6765 (output_constant_pool_contents): New function, split out from...
6766 (output_constant_pool): ...here.
6767 (output_shared_constant_pool): New function.
6768 (init_varasm_once): Initialize shared_constant_pool.
6769 * output.h (output_constant_pool): Delete.
6770 (output_shared_constant_pool): Declare.
6771 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6772 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6774 2006-03-06 Nick Clifton <nickc@redhat.com>
6776 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6777 flag_strength_reduce.
6779 2006-03-06 Ben Elliston <bje@au.ibm.com>
6781 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6782 x86_64-*-linux* configurations.
6784 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6785 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6787 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6789 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6791 * basic-block.h: Remove the extern for
6792 rediscover_loops_after_threading.
6794 * cfgloop.c (cancel_loop): Make it static.
6795 * cfgloop.h: Remove the prototype for cancel_loop.
6797 * flow.c (recompute_reg_usage): Make it static.
6798 * rtl.h: Remove the prototype for recompute_reg_usage.
6800 * function.c (use_return_register): Make it static.
6801 * function.h: Remove the prototype.
6803 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6805 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6807 * recog.h: Remove the prototype for
6808 validate_change_maybe_volatile.
6810 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6812 * rtlanal.c (replace_reg): Remove.
6813 * rtl.h: Remove the prototype for replace_reg.
6815 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6817 * regclass.c (reg_scan_update): Remove.
6818 (reg_scan_mark_refs): Remove the last argument.
6819 * rtl.h: Remove the prototype for reg_scan_update.
6821 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6823 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6824 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6825 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6826 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6827 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6828 loop-invariant.c, omp-low.c, opts.c, passes.c,
6829 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6830 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6831 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6832 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6833 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6834 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6836 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6838 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6839 * dwarf2out.h: Remove the prototype for
6840 dwarf2out_add_library_unit_info.
6842 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6844 * tree.c (add_var_to_bind_expr): Remove.
6845 * tree.h: Remove the prototype for add_var_to_bind_expr.
6847 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6849 * regclass.c (n_non_fixed_regs): Remove.
6850 (init_reg_sets_1, globalize_reg): Remove all uses of
6852 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6854 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6856 * rtlanal.c (insns_safe_to_move_p): Remove.
6857 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6859 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6861 * expmed.c (expand_mult_add): Remove.
6862 * expr.h: Remove the prototype for expand_mult_add.
6864 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6866 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6867 and REG_SAVED_VAL_EXP constants.
6868 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6869 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6870 Handle regs stored by value.
6871 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6872 (execute_cfa_program): Handle DW_CFA_val_offset,
6873 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6874 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6875 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6876 (uw_install_context_1): Handle target regs stored by value.
6878 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6880 * tree-sra.c (tree_sra): Return todoflags;
6881 (generate_one_element): Set TODO_update_smt_usage if needed.
6882 (pass_sra): Remove TODO_update_smt_usage.
6883 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6885 (tree_ssa_forward_propagate_single_use_vars): Return
6886 TODO_update_smt_usage if we need to update SMT usage.
6887 (pass_forwprop): Remove TODO_update_smt_usage.
6889 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6891 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6892 (correct_use_link): Remove reference to get_stmt_operands.
6893 (update_stmt_operands): Likewise.
6894 (get_modify_expr_operands): New function factored out of
6895 parse_ssa_operands and get_expr_operands.
6896 Try to create V_MUST_DEFs for LHS by default.
6897 (get_expr_operands) <case MODIFY_EXPR>: Call
6898 get_modify_expr_operands.
6899 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6900 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6901 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6902 get_modify_expr_operands.
6904 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6906 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6907 * tree-flow.h: Remove the prototype for
6908 referenced_var_lookup_if_exists.
6910 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6912 PR rtl-optimization/26345
6914 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6916 2006-03-03 Roger Sayle <roger@eyesopen.com>
6918 PR tree-optimization/26524
6919 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6920 fold_convert to create a constant of the appropriate type.
6922 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6924 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6925 SYMBOL_REF_IN_BLOCK_P.
6926 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6927 of SYMBOL_FLAG_IN_BLOCK.
6928 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6929 instead of SYMBOL_REF_IN_BLOCK_P.
6930 * explow.c (use_anchored_address): Likewise.
6931 * rtl.c (rtx_size): Likewise.
6932 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6933 instead of SYMBOL_FLAG_IN_BLOCK.
6934 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6935 SYMBOL_REF_IN_BLOCK_P.
6936 (assemble_variable): Likewise.
6937 (output_constant_def_contents): Likewise.
6938 (output_constant_pool): Likewise.
6939 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6940 instead of SYMBOL_FLAG_IN_BLOCK.
6941 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6942 SYMBOL_REF_IN_BLOCK_P.
6943 (SYMBOL_REF_BLOCK): Likewise.
6944 (SYMBOL_REF_OFFSET): Likewise.
6945 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6946 SYMBOL_REF_IN_BLOCK_P.
6947 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6948 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6949 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6950 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6952 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6954 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6956 2006-03-02 Roger Sayle <roger@eyesopen.com>
6958 * simplify-rtx.c (simplify_unary_operation): When simplifying
6959 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6960 that we perform the right shift in the appropriate mode, and
6961 then extend or truncate the result to requested mode.
6963 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6965 * gengtype.c (main): Handle double_int type.
6966 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6967 * double-int.c: New file.
6968 * double-int.h: New file.
6969 * system.h: Include doubleint.h.
6970 * Makefile.in (SYSTEM_H): Include double-int.h.
6971 (double-int.o): Add.
6973 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6976 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6979 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6981 * tree-vrp.c (remove_range_assertions): Do not update statements
6984 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6986 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6988 * gcse.c (rest_of_handle_gcse): Ditto.
6989 * except.c (gate_handle_eh): Ditto.
6990 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6991 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6993 2006-03-02 Eric Christopher <echristo@apple.com>
6995 * config/i386/i386.c (machopic_output_stub): Add indirection to
6998 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7002 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7004 Sun Niagara specific optimizations.
7005 * config.gcc: Recognize niagara as target.
7006 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7007 (TARGET_CPU_niagara): Define.
7008 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7009 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7010 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7011 (ASM_CPU_SPEC): Likewise.
7012 (PROCESSOR_NIAGARA): New enum entry.
7013 (REGISTER_MOVE_COST): Handle Niagara.
7014 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7015 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7016 (sparc_override_options): Recognize "niagara", set appropriate
7017 default MASK_* values for it, and align functions to 32-bytes
7018 by default just like ULTRASPARC/ULTRASPARC3.
7019 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7020 (sparc64_initialize_trampoline): Likewise.
7021 (sparc_use_sched_lookahead): Use zero for niagara.
7022 (sparc_issue_rate): Use one for niagara.
7023 * config/sparc/niagara.md: New file.
7024 * config/sparc/sparc.md: Include it.
7025 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7026 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7027 when default cpu is niagara.
7028 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7029 (ASM_CPU_SPEC): Likewise.
7030 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7031 when default cpu is niagara.
7032 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7033 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7034 just like v9/ultrasparc/ultrasparc3.
7035 * doc/invoke.texi: Add documentation for "niagara" and improve
7036 existing documentation for ultrasparc variants.
7038 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7040 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7042 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7044 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7045 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7046 and say that only one is needed.
7047 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7048 * target.h (have_switchable_bss_sections): New hook.
7049 * explow.c (use_anchored_address): Check that the symbol is in a block.
7050 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7051 (bss_noswitch_section): New variables.
7052 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7053 (get_noswitch_section): New function.
7054 (get_block_for_section): Allow SECT to be null.
7055 (unlikely_text_section_p): Use SECTION_STYLE.
7056 (bss_initializer_p): New function.
7057 (get_variable_section): Move earlier in file. Take a new argument,
7058 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7059 Return one of the new *_sections in such cases.
7060 (get_block_for_decl): New function, extracting some logic from
7061 use_blocks_for_decl_p.
7062 (change_symbol_section): Remove in favor of...
7063 (change_symbol_block): ...this new function.
7064 (use_blocks_for_decl_p): Remove checks now performed by
7066 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7067 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7068 (emit_local, emit_bss, emit_common): ...these new functions.
7069 Return true if the alignment was honored.
7070 (emit_tls_common): New function.
7071 (asm_emit_uninitialised): Delete.
7072 (assemble_variable_noswitch): New function, split out from...
7073 (assemble_variable): ...here. Don't make decisions about common
7074 variables here. Globalize all public decls that go into non-common
7075 sections. Check whether SYMBOL_REF_BLOCK is null.
7076 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7077 (output_constant_pool): Likewise.
7078 (init_varasm_once): Initialize the new section variables.
7079 (have_global_bss_p): New function.
7080 (categorize_decl_for_section): Use bss_initializer_p.
7081 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7082 (place_block_symbol): Assert that the symbol must be in a block.
7083 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7084 (TARGET_INITIALIZER): Include it.
7085 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7086 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7087 (SECTION_MACH_DEP): Bump by two.
7088 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7089 (unnamed_section): Mention SECTION_UNNAMED in comment.
7090 (named_section): Likewise SECTION_NAMED.
7091 (noswitch_section_callback): New type.
7092 (noswitch_section): New structure.
7093 (section): Add a noswitch_section alternative.
7094 (SECTION_STYLE): New macro.
7095 (tls_comm_section, comm_section, lcomm_section): Declare.
7096 (bss_noswitch_section, have_global_bss_p): Declare.
7097 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7098 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7100 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7101 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7104 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7106 * tree-vrp.c (execute_vrp): Return value.
7107 * regrename.c (rest_of_handle_regrename): Ditto.
7108 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7109 * tree-complex.c (tree_lower_complex): Ditto.
7110 (tree_lower_complex_O0): Ditto.
7111 * tracer.c (rest_of_handle_tracer): Ditto.
7112 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7113 * postreload.c (rest_of_handle_postreload): Ditto.
7114 * tree-tailcall.c (execute_tail_recursion): Ditto.
7115 (execute_tail_calls): Ditto.
7116 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7117 * tree.h (init_function_for_compilation): Ditto.
7118 * ipa-cp.c (ipcp_driver): Ditto.
7119 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7120 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7121 * final.c (compute_alignments): Ditto.
7122 (rest_of_handle_final): Ditto.
7123 (rest_of_handle_shorten_branches): Ditto.
7124 (rest_of_clean_state): Ditto.
7125 * omp-low.c (execute_expand_omp): Ditto.
7126 (execute_lower_omp): Ditto.
7127 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7128 * ipa-reference.c (static_execute): Ditto.
7129 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7130 * reorg.c (rest_of_handle_delay_slots): Ditto.
7131 (rest_of_handle_machine_reorg): Ditto.
7132 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7133 * flow.c (recompute_reg_usage): Ditto.
7134 (rest_of_handle_remove_death_notes): Ditto.
7135 (rest_of_handle_life): Ditto.
7136 (rest_of_handle_flow2): Ditto.
7137 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7138 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7139 (do_ssa_store_ccp): Ditto.
7140 (execute_fold_all_builtins): Ditto.
7141 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7142 * modulo-sched.c (rest_of_handle_sms): Ditto.
7143 * ipa-pure-const.c (static_execute): Ditto.
7144 * cse.c (rest_of_handle_cse): Ditto.
7145 (rest_of_handle_cse2): Ditto.
7146 * web.c (rest_of_handle_web): Ditto.
7147 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7148 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7149 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7150 * tree-nrv.c (tree_nrv): Ditto.
7151 (execute_return_slot_opt): Ditto.
7152 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7153 (create_structure_vars): Ditto.
7154 * loop-init.c (rtl_loop_init): Ditto.
7155 (rtl_loop_done): Ditto.
7156 (rtl_move_loop_invariants): Ditto.
7157 (rtl_unswitch): Ditto.
7158 (rtl_unroll_and_peel_loops): Ditto.
7159 (rtl_doloop): Ditto.
7160 * gimple-low.c (lower_function_body): Ditto.
7161 (mark_used_blocks): Ditto.
7162 * tree-ssa-sink.c (execute_sink_code): Ditto.
7163 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7164 (cgraph_early_inlining): Ditto.
7165 * global.c (rest_of_handle_global_alloc): Ditto.
7166 * jump.c (cleanup_barriers): Ditto.
7167 (purge_line_number_notes): Ditto.
7168 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7169 (rest_of_handle_if_after_reload): Ditto.
7170 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7171 (tree_ssa_loop_im): Ditto.
7172 (tree_ssa_loop_unswitch): Ditto.
7173 (tree_vectorize): Ditto.
7174 (tree_linear_transform): Ditto.
7175 (tree_ssa_loop_ivcanon): Ditto.
7176 (tree_ssa_empty_loop): Ditto.
7177 (tree_ssa_loop_bounds): Ditto.
7178 (tree_complete_unroll): Ditto.
7179 (tree_ssa_loop_prefetch): Ditto.
7180 (tree_ssa_loop_ivopts): Ditto.
7181 (tree_ssa_loop_done): Ditto.
7182 * predict.c (tree_estimate_probability): Ditto.
7183 * recog.c (split_all_insns_noflow): Ditto.
7184 (rest_of_handle_peephole2): Ditto.
7185 (rest_of_handle_split_all_insns): Ditto.
7186 * tree-eh.c (lower_eh_constructs): Ditto.
7187 * regmove.c (rest_of_handle_regmove): Ditto.
7188 (rest_of_handle_stack_adjustments): Ditto.
7189 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7190 * function.c (instantiate_virtual_regs): Ditto.
7191 (init_function_for_compilation): Ditto.
7192 (rest_of_handle_check_leaf_regs): Ditto.
7193 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7194 (rest_of_handle_gcse): Ditto.
7195 * ipa-type-escape.c (type_escape_execute): Ditto.
7196 * alias.c (rest_of_handle_cfg): Ditto.
7197 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7198 * profile.c (rest_of_handle_branch_prob): Ditto.
7199 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7200 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7201 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7202 * tree-dfa.c (find_referenced_vars): Ditto.
7203 * except.c (set_nothrow_function_flags): Ditto.
7204 (convert_to_eh_region_ranges): Ditto.
7205 (rest_of_handle_eh): Ditto.
7206 * emit-rtl.c (unshare_all_rtl): Ditto.
7207 (remove_unnecessary_notes): Ditto.
7208 * except.h (set_nothrow_function_flags): Ditto.
7209 (convert_to_eh_region_ranges): Ditto.
7210 * cfgexpand.c (tree_expand_cfg): Ditto.
7211 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7212 * tree-ssa-pre.c (do_pre): Ditto.
7213 (execute_fre): Ditto.
7214 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7215 (rest_of_handle_jump2): Ditto.
7216 * tree-sra.c (tree_sra): Ditto.
7217 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7218 (execute_mudflap_function_decls): Ditto.
7219 * tree-ssa-copy.c (do_copy_prop): Ditto.
7220 (do_store_copy_prop): Ditto.
7221 * ipa-prop.h (ipcp_driver): Ditto.
7222 * cfglayout.c (insn_locators_initialize): Ditto.
7223 * tree-ssa-forwprop.c
7224 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7225 * cfglayout.h (insn_locators_initialize): Ditto.
7226 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7227 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7228 (execute_late_warn_uninitialized): Ditto.
7229 * rtl.h (cleanup_barriers): Ditto.
7230 (split_all_insns_noflow): Ditto.
7231 (purge_line_number_notes): Ditto.
7232 (unshare_all_rtl): Ditto.
7233 (remove_unnecessary_notes): Ditto.
7234 (recompute_reg_usage): Ditto.
7235 (variable_tracking_main): Ditto.
7236 * integrate.c (emit_initial_value_sets): Ditto.
7237 * integrate.h (emit_initial_value_sets): Ditto.
7238 * tree-optimize.c (execute_free_datastructures): Ditto
7239 (execute_free_cfg_annotations): Ditto.
7240 (execute_fixup_cfg): Ditto.
7241 (execute_cleanup_cfg_pre_ipa): Ditto.
7242 (execute_cleanup_cfg_post_optimizing): Ditto.
7243 (execute_init_datastructures): Ditto.
7244 * tree-object-size.c (compute_object_sizes): Ditto.
7245 * combine.c (rest_of_handle_combine): Ditto.
7246 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7247 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7248 (rest_of_handle_reorder_blocks): Ditto.
7249 (rest_of_handle_partition_blocks): Ditto.
7250 * var-tracking.c (variable_tracking_main): Ditto.
7251 * tree-profile.c (tree_profiling): Ditto.
7252 * tree-vect-generic.c (expand_vector_operations): Ditto.
7253 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7254 * sched-rgn.c (rest_of_handle_sched): Ditto.
7255 (rest_of_handle_sched2): Ditto.
7256 * basic-block.h (free_bb_insn): Ditto.
7257 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7258 * tree-cfg.c (execute_build_cfg): Ditto.
7259 (remove_useless_stmts): Ditto.
7260 (split_critical_edges): Ditto.
7261 (execute_warn_function_return): Ditto.
7262 (execute_warn_function_noreturn): Ditto.
7263 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7264 * cfgrtl.c (free_bb_for_insn): Ditto.
7265 * passes.c (execute_one_pass): Run additional
7266 todos returned by execute function.
7267 * tree-pass.h (struct tree_opt_pass): Make execute
7270 2006-03-02 Richard Guenther <rguenther@suse.de>
7272 * tree-ssa-alias.c (find_used_portions): Consider taking
7273 the address as making the variable not write-only.
7275 2006-03-02 Nick Clifton <nickc@redhat.com>
7277 * config.gcc (default_use_cxa_atexit): Extend the description of
7278 this configure variable. Set its default value to "yes" for
7279 Linux, NetBSD and ELF targets on the assumption that they will
7280 use C libraries with the __cxa_atexit function.
7282 2006-03-02 Ben Elliston <bje@au.ibm.com>
7284 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7285 parameter as unused to suppress a build warning.
7287 2006-03-02 Ben Elliston <bje@au.ibm.com>
7289 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7292 2006-03-01 Roger Sayle <roger@eyesopen.com>
7295 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7296 declared name, the weak reference name, and the typeof name.
7297 (__gthrw): Avoid expanding the declared name suffix.
7298 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7300 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7302 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7304 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7305 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7306 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7307 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7308 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7309 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7310 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7311 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7312 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7313 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7314 (DW_END_default, DW_END_big, DW_END_little): New.
7315 (DW_END_lo_user, DW_END_hi_user): Define.
7316 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7317 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7318 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7321 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7323 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7325 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7327 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7329 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7331 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7332 to 'symbol_mem_tag'.
7334 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7337 2006-03-01 Roger Sayle <roger@eyesopen.com>
7339 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7341 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7344 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7345 MACHO_DYNAMIC_NO_PIC_P.
7346 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7348 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7351 * config/darwin-protos.h (darwin_asm_output_anchor):
7353 * config/darwin-sections.def (cstring_section):
7354 Add SECTION_MERGE to the flags.
7355 (literal4_section): Likewise.
7356 (literal8_section): Likewise.
7357 (objc_selector_refs_section): Likewise.
7358 (objc_cls_refs_section): Likewise.
7359 * config/darwin.c (darwin_asm_output_anchor): New
7361 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7363 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7365 Fix PR tree-optimization/26443
7366 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7367 to todo and PROP_tmt_usage to properties_destroyed.
7368 * tree-ssa-ccp.c (pass_ccp): Ditto.
7369 (pass_store_ccp): Ditto.
7370 * tree-ssa-dom.c (pass_dominator): Ditto.
7372 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7374 * tree-ssa-operands.c: Cleanup whitespace.
7375 (get_asm_expr_operands): Move before first invocation.
7376 (get_indirect_ref_operands): Likewise.
7377 (get_tmr_operands): Likewise.
7378 (get_call_expr_operands): Likewise.
7379 (append_def): Likewise.
7380 (append_use): Likewise.
7381 (append_v_may_def): Likewise.
7382 (append_v_must_def): Likewise.
7383 (add_call_clobber_ops): Likewise.
7384 (add_call_read_ops): Likewise.
7385 (add_stmt_operand): Likewise.
7386 (add_virtual_operand): Likewise.
7387 (build_ssa_operands): Likewise.
7389 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7394 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7395 with a call expr to ...
7396 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7398 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7400 * tree-vrp.c (extract_range_from_assert): Remove special
7401 handling for types with super-types.
7403 2006-03-01 Ben Elliston <bje@au.ibm.com>
7405 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7406 and powerpc64-*-linux* configurations.
7407 * config/t-dfprules: New file.
7409 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7410 Compile dfp-bit.c from the source directory using -DWIDTH and
7411 $DFP_CFLAGS to control the compilation of that file, rather than
7412 generating width-specific versions in the build directory.
7413 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7414 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7416 2006-02-28 Zack Weinberg <zackw@panix.com>
7418 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7421 2006-02-28 Eric Christopher <echristo@apple.com>
7423 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7424 Set up IN_LIBGCC definition of TARGET_64BIT.
7425 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7427 2006-02-28 Roger Sayle <roger@eyesopen.com>
7430 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7431 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7432 cases via the construction of "expr != 0".
7434 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7436 * alias.c (alias_invariant, alias_invariant_size): Remove.
7437 (record_base_value): Remove.
7438 (memrefs_conflict_p): Don't look at alias_invariant.
7439 (end_alias_analysis): Don't free it.
7440 * alias.h (record_base_value): Remove prototype.
7442 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7443 Adam Nemet <anemet@caviumnetworks.com>
7445 * rtl.h (truncated_to_mode): Declare it.
7446 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7447 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7448 (RTL_HOOKS_INITIALIZER): Include it.
7449 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7450 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7451 reg_truncated_to_mode.
7452 * rtlanal.c (truncated_to_mode): Define it.
7453 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7455 2006-02-28 Jeff Law <law@redhat.com>
7457 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7458 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7459 the range allowed by TYPE_PRECISION.
7461 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7463 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7465 PR tree-optimization/26419
7466 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7469 2006-02-27 Zack Weinberg <zackw@panix.com>
7471 * doc/md.texi: Fix typo in previous change.
7473 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7477 2006-02-27 Zack Weinberg <zackw@panix.com>
7479 * rtl.def (define_constraint, define_register_constraint)
7480 (define_memory_constraint, define_address_constraint): New MD forms.
7481 * gensupport.c (process_rtx): Put define_constraint etc on the
7483 * genpreds.c (process_define_predicate): Adjust comment. Validate
7484 the name, and call validate_exp to validate the expression.
7485 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7486 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7487 all callers changed.
7488 (validate_exp, needs_variable, struct constraint_data)
7489 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7490 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7491 (const_dbl_constraints, constraint_max_namelen)
7492 (have_register_constraints, have_memory_constraints)
7493 (have_address_constraints, have_address_constraints)
7494 (have_extra_constraints, have_const_int_constraints)
7495 (have_const_dbl_constraints, mangle, add_constraint)
7496 (process_define_constraint, process_define_register_constraint)
7497 (write_enum_constraint_num, write_lookup_constraint)
7498 (write_insn_constraint_len, write_regclass_for_constraint)
7499 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7500 (write_insn_extra_memory_constraint)
7501 (write_insn_extra_address_constraint)
7502 (write_satisfies_constraint_fns): New.
7503 (write_tm_preds_h): If we have new-style constraint definitions,
7504 prototype the functions generated from them, and define the
7505 old constraint interface (still used by generic code) in terms of
7507 (write_insn_preds_c): If we have new-style constraint definitions,
7508 generate all relevant functions from those definitions.
7509 (main): Handle define_constraint etc.
7510 * genoutput.c (struct constraint_data, indep_constraints)
7511 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7512 (mdep_constraint_len): New data structures and functions, defined
7513 #ifdef USE_MD_CONSTRAINTS.
7514 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7515 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7516 use new logic to validate operand constraints against constraint
7518 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7520 * defaults.h: If none of the old-style constraint macros are
7521 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7522 old-style macros; and poison REG_CLASS_FROM_LETTER,
7523 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7525 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7526 * doc/md.texi: Document new constraint-definition mechanism and the
7527 C interface it provides. Remove references to old mechanism
7528 elsewhere in the document.
7529 (Machine Constraints): Use pathnames relative to gcc directory,
7530 i.e. config/ARCH/FILE. Change i386 section to refer to
7531 config/i386/predicates.md; update that section to match docstrings.
7532 * doc/tm.texi: Move all documentation of the old constraint-
7533 definition macros to their own section, clearly mark as obsolete.
7535 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7536 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7538 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7539 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7540 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7542 (splits and peepholes): Use satisfies_constraint_*.
7543 * config/i386/i386.c (memory_address_length)
7544 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7546 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7548 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7549 scalar operation to be put back into the loop.
7551 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7554 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7555 (extract_cie_info): Handle S flag in augmentation string.
7556 (execute_cfa_program): If context->signal_frame, execute also
7557 fs->pc == context->ra instructions.
7558 (uw_frame_state_for): If context->signal_frame, don't subtract one
7559 from context->ra to find FDE.
7560 (uw_update_context_1): Set context->signal_frame to
7562 (_Unwind_GetIPInfo): New function.
7563 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7564 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7566 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7567 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7568 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7569 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7570 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7571 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7572 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7573 x86_64_fallback_frame_state): Set fs->signal_frame.
7574 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7575 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7576 (frob_update_context): Likewise. Workaround missing S flag in
7577 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7578 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7579 Remove the psw_addr + 1 hack.
7581 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7583 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7584 with aggregates here.
7585 (find_func_aliases): Remove code for &<aggregate> from here.
7587 2006-02-26 Roger Sayle <roger@eyesopen.com>
7589 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7590 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7591 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7594 2006-02-26 Roger Sayle <roger@eyesopen.com>
7597 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7599 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7601 * opts.c (decode_options): Do not handle flag_strength_reduce.
7602 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7603 and OPT_fstrength_reduce.
7604 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7605 flag_prefetch_loop_arrays for being nonzero.
7606 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7608 (fprefetch-loop-arrays-rtl): Removed.
7609 (flag_prefetch_loop_arrays): Do not specify the value.
7611 * doc/passes.texi: Update documentation of loop optimizer
7613 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7614 -frerun-loop-opt): Remove.
7616 2006-02-26 Richard Guenther <rguenther@suse.de>
7618 PR tree-optimization/26421
7619 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7620 in function calls that are ADDR_EXPRs as using the whole structure.
7622 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7624 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7625 * tree-pass.h (pass_loop_optimize): Remove.
7626 * passes.c (pass_loop_optimize): Never run it.
7627 * toplev.c (backend_init): Don't call init_loop.
7628 * opts.c (flag_loop_optimize_set): Remove.
7629 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7630 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7631 the old RTL loop optimizer when profiling enabled.
7632 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7633 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7634 pre-headers for the sake of the old RTL loop optimizer.
7635 * Makefile.in: Remove all references to loop.o.
7637 * doc/invoke.texi: Remove all references to -floop-optimize
7638 and -frerun-loop-opt.
7640 2006-02-26 Zack Weinberg <zackw@panix.com>
7642 * doc/md.texi (Machine Constraints): Refer to all files with paths
7643 relative to gcc directory (i.e. config/CPU/file). Add missing
7644 @table @code ... @end table to M32C subsection.
7646 2006-02-26 Roger Sayle <roger@eyesopen.com>
7648 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7650 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7652 2006-02-26 Roger Sayle <roger@eyesopen.com>
7653 James A. Morrison <phython@gcc.gnu.org>
7656 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7657 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7658 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7659 signedness of the shift operation.
7661 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7663 PR tree-optimization/26359
7664 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7666 2006-02-25 Roger Sayle <roger@eyesopen.com>
7668 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7669 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7670 as X == 0, and some symmetry related transformations.
7671 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7673 2006-02-25 Roger Sayle <roger@eyesopen.com>
7676 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7677 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7678 symmetry related transformations. Fold (X^C1) == C2 as
7681 2006-02-25 Juergen Weigert <jw@suse.de>
7682 Richard Guenther <rguenther@suse.de>
7684 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7686 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7688 * combine.c (gen_lowpart_or_truncate): Call
7689 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7691 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7693 * doc/invoke.texi: Move -fopenmp description to "Options for
7695 Remove reference to -lgomp.
7697 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7699 * doc/install.texi: Require GNU tar version 1.14.
7701 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7703 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7704 * doc/invoke.texi (C++ Dialect Options): Document
7705 -fno-use-cxa-get-exception-ptr.
7706 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7707 * configure: Regenerate.
7708 * c.opt (fuse-cxa-get-exception-ptr): New.
7709 * c-opts.c (c_common_handle_option): Handle
7710 OPT_fuse_cxa_get_exception_ptr.
7711 * c-common.c (flag_use_cxa_atexit): Update documentation.
7712 (flag_use_cxa_get_exception_ptr): New.
7713 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7714 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7716 (C_COMMON_OVERRIDE_OPTIONS): New.
7718 2006-02-24 Roger Sayle <roger@eyesopen.com>
7721 * combine.c (try_combine): Explicitly check whether GET_CODE is
7722 a SET or a CLOBBER, instead on checking that it isn't a USE.
7724 2006-02-24 Roger Sayle <roger@eyesopen.com>
7726 * fold-const.c (fold_comparison): New subroutine of fold_binary
7727 containing transformations common to both the equality and
7728 ordering relational operators, factored out of fold_binary.
7729 (fold_binary): Separate out the equality operators (EQ_EXPR
7730 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7731 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7732 transformations common to both.
7733 (fold_div_compare): Fix latent bugs in the previously unreachable
7734 LT_EXPR and GE_EXPR cases.
7736 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7738 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7739 decl libname for clog to __clog on AIX.
7741 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7743 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7746 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7747 output traceback table for thunks. Localise rs6000_stack_info call.
7749 2006-02-23 Roger Sayle <roger@eyesopen.com>
7750 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7752 * gthr-posix.h (__gthrw): Fix typo in comment.
7754 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7756 * doc/cpp.texi (Character sets): Document that we do support
7757 input files to be in any character set.
7759 2006-02-23 Jeff Law <law@redhat.com>
7761 * tree.h (PHI_ARG_NONZERO): Remove.
7762 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7763 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7764 node to the new node.
7766 PR tree-optimization/26425
7767 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7768 min/max, then assume its varying.
7770 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7772 PR rtl-optimization/26316
7773 * rtlanal.c (enum may_trap_p_flags): New.
7774 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7775 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7776 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7777 (may_trap_after_code_motion_p): New function.
7778 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7779 (find_invariant_insn): Use may_trap_after_code_motion_p.
7780 * rtl.h (may_trap_after_code_motion_p): Declare.
7782 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7784 * emit-rtl.c (immed_double_const): Cleanup.
7786 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7788 Fix PR tree-optimization/26376
7789 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7792 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7795 * gimplify.c (omp_add_variable): Guard variable size decl test with
7796 DECL_SIZE (decl) check.
7798 2006-02-23 Richard Guenther <rguenther@suse.de>
7801 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7802 like aggregate types.
7804 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7806 * configure.ac: Add --with{,out}-long-double-128 configure option.
7807 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7808 * configure: Rebuilt.
7809 * config.in: Rebuilt.
7810 * doc/install.texi (Options specification): Document
7811 --with-long-double-128.
7813 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7814 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7815 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7816 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7818 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7820 * config/s390/s390.c (override_options): Handle
7821 TARGET_DEFAULT_LONG_DOUBLE_128.
7823 * config/alpha/alpha.c (override_options): Handle
7824 TARGET_DEFAULT_LONG_DOUBLE_128.
7826 * config/sparc/sparc.c (sparc_override_options): Handle
7827 TARGET_DEFAULT_LONG_DOUBLE_128.
7829 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7831 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7832 (real-install-headers-tar, real-install-headers-cpio)
7833 (real-install-headers-cp): New targets.
7835 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7837 * tree.h (variable_section): Delete.
7838 * varasm.c (variable_section): Delete.
7840 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7842 * install.texi: Add notes on install.texi2html.
7843 (Building in parallel): Do not use footnotes.
7845 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7848 * doc/install.texi (Configuration): Document --disable-libgomp.
7850 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7852 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7854 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7856 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7857 (vec_extractv2df_0_sse): New.
7859 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7861 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7862 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7863 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7864 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7865 to the result of the expression.
7866 (def_cfa_1): Adjust.
7867 (frame_pointer_cfa_offset): Rename to...
7868 (frame_pointer_fb_offset): ... this. Adjust all uses.
7869 (convert_cfa_to_loc_list): Rename to...
7870 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7871 Pass it on to build_cfa_loc.
7872 (compute_frame_pointer_to_cfa_displacement): Rename to...
7873 (compute_frame_pointer_to_fb_displacement): ... this. New
7874 offset parameter. Use it in computation.
7875 (gen_subprogram_die): Compute cfa_fb_offset with the new
7876 macro, and use it to compute the fb loc list and the
7879 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7881 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7882 replaced with register_operand.
7883 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7884 non-DREG is expensive.
7885 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7886 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7889 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7891 * doc/install.texi2html: Use set -e.
7893 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7895 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7896 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7897 * doc/invoke.texi (-fshared-data): Delete.
7898 * common.opt (fshared-data): Delete.
7899 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7900 (assemble_static_space): Remove #if 0 code.
7901 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7902 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7903 * config/cris/cris.h: Remove FIXME.
7905 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7907 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7910 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7913 * combine.c (simplify_shift_const_1): Disable nested shifts
7914 optimization for vector shifts.
7916 2006-02-20 Roger Sayle <roger@eyesopen.com>
7918 PR tree-optimization/26361
7919 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7920 of unsigned integer types.
7922 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7924 * tree-chrec.c (eq_evolutions_p): New.
7925 * tree-chrec.h (eq_evolutions_p): Declared.
7926 * tree-data-ref.c: Fix formatting.
7927 (datadep_stats, dependence_stats): New.
7929 (print_direction_vector): New.
7930 (dump_data_dependence_relation): Use print_direction_vector.
7931 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7932 (compute_subscript_distance): Static.
7933 (initialize_data_dependence_relation): Static. Get the number
7934 of loops surrounding the references from the callers, and initialize
7935 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7936 base_object_differ_p analyzers.
7937 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7938 compute_overlap_steps_for_affine_1_2,
7939 analyze_subscript_affine_affine): Count the classified dependences.
7940 Print a message when a test failed.
7941 (can_use_analyze_subscript_affine_affine): New.
7942 (analyze_siv_subscript): Compute the data dependences on symbolic
7943 scevs that verify can_use_analyze_subscript_affine_affine.
7944 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7945 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7946 Handle symbolic scevs.
7947 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7949 (subscript_dependence_tester): Moved...
7950 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7951 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7952 DDR_SIZE_VECT instead of getting it in parameter.
7953 (subscript_dependence_tester): ... here. Take as a parameter
7954 loop_nest_depth. Call build_classic_dist_vector and
7955 build_classic_dir_vector.
7956 (compute_affine_dependence): Update subscript_dependence_tester
7957 parameters. Update datadep_stats counters. Call
7958 compute_subscript_distance.
7959 (compute_self_dependence): Save the dist and dir vectors. Call
7960 compute_subscript_distance.
7961 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7962 (compute_all_dependences): Reorder parameters as they were before
7963 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7964 compute_subscript_distance. Update the use of
7965 compute_affine_dependence and initialize_data_dependence_relation.
7966 (find_data_references_in_loop): Handle COMPONENT_REF.
7967 (compute_data_dependences_for_loop): Initialize dependence_stats.
7968 Don't call build_classic_dist_vector and build_classic_dir_vector.
7969 Update the parameters of initialize_data_dependence_relation and
7970 compute_all_dependences. Print the statistics from datadep_stats.
7971 (analyze_all_data_dependences): Static. Not used until the pass for
7972 checking the data dependences is contributed.
7973 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7974 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7975 (initialize_data_dependence_relation, compute_affine_dependence,
7976 analyze_all_data_dependences, compute_subscript_distance): Removed.
7977 (print_direction_vector): New.
7978 * lambda.h (gcd): ... here.
7979 (lambda_vector_gcd): Moved here from gcd_vector.
7980 * lambda-code.c (gcd, gcd_vector): Removed.
7981 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7982 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7984 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7986 * ipa-type-escape.c: Tidy some comments and white space.
7987 * tree-ssa-operands.c: Likewise.
7989 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7992 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7993 (dump_decl_name): Do not walk the decl tree chains.
7994 * tree-pass.h (TDF_CHAIN): Remove.
7996 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7998 * Makefile.in (C): Remove
8000 (.PHONY): Remove C and PROTO
8002 2006-02-20 Roger Sayle <roger@eyesopen.com>
8005 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8006 deprecated CHAR_TYPE tree code.
8008 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8010 * configure.ac (target_list): Add install-info, dvi, html.
8011 * configure: Regenerate.
8013 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8014 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8015 treelang/Make-lang.in: Do not use double-colon rules.
8017 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8019 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8020 (TMT_USED_ALONE): New macro.
8021 * tree-pass.h (PROP_tmt_usage): New property.
8022 (TODO_update_tmt_usage): New todo.
8023 * tree-ssa-alias.c (updating_used_alone): New variable.
8024 (recalculate_used_alone): New function.
8025 (compute_may_aliases): Set updating_used_alone, call
8026 recalculate_used_alone.
8027 * tree-sra.c (pass_sra): Note that this pass destroys
8028 PROP_tmt_usage, and add TODO_update_tmt_usage.
8029 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8030 * tree-flow.h (updating_used_alone): Prototype.
8031 (recalculate_used_alone): Ditto.
8032 * passes.c (execute_todo): Add code to set updating_used_alone,
8033 and call recalculate.
8034 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8035 for clobber if used alone, and add assert to verify used_alone
8038 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8040 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8041 for non tls symbols added.
8042 (legitimize_address): Do nothing for PLUS expressions if one of the
8043 addends is a tls symbol reference.
8045 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8049 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8051 * Makefile.in (BOOTSTRAPPING): New.
8052 (quickstrap): New definition if BOOTSTRAPPING=yes.
8054 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8055 * configure.ac: Substitute all_selected_languages with the languages
8056 that were configured. For all the other variables except
8057 lang_specs_files, include all the languages in the tree.
8058 * configure: Regenerate.
8060 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8061 if there is one. Run the commands to run fixincludes in the same
8064 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8065 * doc/install.texi: Document exact conventions for searching target tools.
8066 Document --with-build-time-tools. Document toplevel bootstrap. Document
8067 something more about building an Ada cross-compiler. Don't list GNU Make
8068 requirements which affect all platforms.
8070 2006-02-19 Roger Sayle <roger@eyesopen.com>
8073 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8074 only equivalent if the have both the same mode and precision.
8076 2006-02-20 Ben Elliston <bje@au.ibm.com>
8078 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8080 2006-02-19 Roger Sayle <roger@eyesopen.com>
8081 Steven Bosscher <stevenb.gcc@gmail.com>
8083 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8084 constant pool references to identify stack mode constants.
8085 * rtlanal.c (constant_pool_constant_p): New predicate to check
8086 whether operand is a floating point constant in the pool.
8087 * rtl.h (constant_pool_constant_p): Prototype here.
8088 * loop.c (scan_loop): Avoid hoisting constants from the constant
8089 pool on STACK_REGS targets.
8090 (load_mems): Likewise.
8091 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8092 loads into x87 registers expensive in terms of register pressure.
8094 2006-02-19 Roger Sayle <roger@eyesopen.com>
8096 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8097 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8099 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8101 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8102 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8104 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8106 * doc/invoke.texi: Document -fipa-pta.
8107 * common.opt: Add ipa-pta option.
8108 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8109 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8110 (do_ds_constraint): Ditto.
8111 (get_constraint_for): Only add to referenced_vars if
8112 referenced_vars exists.
8113 (insert_into_field_list): Rewrite to do this unsorted.
8114 (insert_into_field_list_sorted): Rename old insert_into_field_list
8116 (create_function_info_for): Use insert_into_field_list_sorted.
8117 (create_variable_info_for): Rewrite so it uses unsorted version,
8118 since the field list is sorted.
8119 (intra_create_variable_infos): Only add to referenced_vars if
8120 referenced_vars exists.
8121 (ipa_pta_execute): Init heapvars, and delete when done.
8122 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8124 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8126 * doc/install.texi: Add missing `@samp'.
8128 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8130 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8133 2006-02-18 Mark Wielaard <mark@klomp.org>
8135 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8136 who added new 4.1 features, bug fixes and integration support.
8138 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8141 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8144 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8146 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8147 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8148 (copy_insn_1): Likewise. Don't copy each field individually.
8150 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8152 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8153 * rtl.c (rtx_size): Rename variable to...
8154 (rtx_code_size): ...this.
8155 (rtx_size): New function.
8156 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8157 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8159 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8160 * rtl.h (rtx_code_size): New variable.
8161 (rtx_size): Change from a variable to a function.
8162 (RTX_SIZE): Rename to...
8163 (RTX_CODE_SIZE): ...this.
8166 PR tree-optimization/17106
8167 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8168 (Anchored Addresses): New section.
8169 * doc/invoke.texi (-fsection-anchors): Document.
8170 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8171 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8172 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8173 * hooks.c (hook_bool_mode_rtx_false): New function.
8174 * hooks.h (hook_bool_mode_rtx_false): Declare.
8175 * gengtype.c (create_optional_field): New function.
8176 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8177 SYMBOL_REF_IN_BLOCK_P is true.
8178 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8179 (min_anchor_offset, max_anchor_offset): Likewise.
8180 (use_anchors_for_symbol_p): New hook.
8181 * toplev.c (compile_file): Call output_object_blocks.
8182 (target_supports_section_anchors_p): New function.
8183 (process_options): Check that -fsection-anchors is only used on
8184 targets that support it and when -funit-at-a-time is in effect.
8185 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8186 if the decl doesn't have one.
8187 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8188 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8189 of force_const_mem through use_anchored_address.
8190 (expand_expr_constant): New function.
8191 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8192 calling expand_expr for INDIRECT_REF.
8193 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8194 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8195 * expr.h (use_anchored_address): Declare.
8196 * loop-unroll.c: Don't declare rtx vectors here.
8197 * explow.c: Include output.h.
8198 (validize_mem): Call use_anchored_address.
8199 (use_anchored_address): New function.
8200 * common.opt (-fsection-anchors): New switch.
8201 * varasm.c (object_block_htab, anchor_labelno): New variables.
8202 (hash_section, object_block_entry_eq, object_block_entry_hash)
8203 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8204 (use_blocks_for_decl_p, change_symbol_section): New functions.
8205 (get_variable_section): New function, split out from assemble_variable.
8206 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8207 use_blocks_for_decl_p say so. Use change_symbol_section if the
8208 symbol has already been created.
8209 (assemble_variable_contents): New function, split out from...
8210 (assemble_variable): ...here. Don't output any code for
8211 block symbols; just pass them to place_block_symbol.
8212 Use get_variable_section and assemble_variable_contents.
8213 (get_constant_alignment, get_constant_section, get_constant_size): New
8214 functions, split from output_constant_def_contents.
8215 (build_constant_desc): Create a block symbol if use_object_blocks_p
8216 says so. Or into SYMBOL_REF_FLAGS.
8217 (assemble_constant_contents): New function, split from...
8218 (output_constant_def_contents): ...here. Don't output any code
8219 for block symbols; just pass them to place_section_symbol.
8220 Use get_constant_section and get_constant_alignment.
8221 (force_const_mem): Create a block symbol if use_object_blocks_p and
8222 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8223 (output_constant_pool_1): Add an explicit alignment argument.
8224 Don't switch sections here.
8225 (output_constant_pool): Adjust call to output_constant_pool_1.
8226 Switch sections here instead. Don't output anything for block symbols;
8227 just pass them to place_block_symbol.
8228 (init_varasm_once): Initialize object_block_htab.
8229 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8230 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8231 (place_block_symbol, get_section_anchor, output_object_block)
8232 (output_object_block_htab, output_object_blocks): New functions.
8233 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8234 (TARGET_ASM_OUT): Include it.
8235 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8236 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8237 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8238 (TARGET_INITIALIZER): Include them.
8239 * rtl.c (rtl_check_failed_block_symbol): New function.
8240 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8241 (block_symbol, object_block): New structures.
8242 (rtx_def): Add a block_symbol field to the union.
8243 (BLOCK_SYMBOL_CHECK): New macro.
8244 (rtl_check_failed_block_symbol): Declare.
8245 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8246 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8247 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8248 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8249 * output.h (output_section_symbols): Declare.
8250 (object_block): Name structure.
8251 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8252 (default_use_anchors_for_symbol_p): Declare.
8253 * Makefile.in (RTL_BASE_H): Add vec.h.
8254 (explow.o): Depend on output.h.
8255 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8256 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8257 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8258 (rs6000_use_blocks_for_constant_p): New function.
8260 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8262 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8264 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8267 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8270 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8272 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8276 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8279 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8280 instead of DECL_REGISTER.
8282 2006-02-18 Olivier Hainque <hainque@adacore.com>
8285 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8287 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8290 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8291 * opth-gen.awk: Handle Var and InverseMask together.
8292 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8293 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8294 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8295 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8297 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8298 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8299 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8300 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8301 LINUX_DYNAMIC_LINKER): Define.
8302 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8303 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8305 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8306 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8307 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8308 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8309 (TARGET_C99_FUNCTIONS): Don't define.
8310 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8311 GLIBC_DYNAMIC_LINKER.
8312 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8313 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8314 GLIBC_DYNAMIC_LINKER64): Define.
8315 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8316 LINUX_DYNAMIC_LINKER64.
8317 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8318 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8319 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8320 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8321 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8323 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8324 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8325 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8326 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8327 and LINUX_DYNAMIC_LINKER32.
8328 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8330 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8332 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8334 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8335 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8336 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8337 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8338 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8339 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8340 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8341 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8342 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8343 LINUX_DYNAMIC_LINKER): Define.
8344 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8345 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8346 GLIBC_DYNAMIC_LINKER64): Define.
8347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8348 LINUX_DYNAMIC_LINKER64.
8349 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8350 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8351 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8352 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8353 LINUX_DYNAMIC_LINKER): Define.
8354 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8355 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8356 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8357 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8358 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8359 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8360 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8361 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8362 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8363 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8365 * doc/invoke.texi (-muclibc): Remove caveat about supported
8368 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8370 * doc/cpp.texi (__TIMESTAMP__): Document.
8372 2006-02-17 Roger Sayle <roger@eyesopen.com>
8375 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8376 C is one less than the width of X (and related transformations).
8377 * simplify-rtx.c (simplify_unary_operation_1): Transform
8378 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8379 depending on STORE_FLAG_VALUE, were C is one less then the
8382 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8384 Fix PR tree-optimization/26341
8385 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8386 about NAME_MEMORY_TAG's.
8388 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8391 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8392 with hardware float support, and software float support. Add fcpy
8393 alternative to hardware patterns. Add alternatives to copy between
8394 general and floating-point registers to the 32-bit pattern.
8395 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8396 secondary reload to load a QI or HI mode constant into a floating
8398 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8399 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8401 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8404 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8406 (load_macho_picbase_di): Likewise.
8408 2006-02-16 Jeff Law <law@redhat.com>
8410 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8411 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8412 (ssa_name_nonzero_p): Likewise.
8413 (get_value_range): Return NULL if VRP is not running.
8414 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8415 VRP routines do not discover a range.
8416 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8417 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8418 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8419 (tree_expr_nonnegative_p): Similarly.
8420 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8421 (restore_nonzero_vars_to_original_value): Remove.
8422 (unsafe_associative_fp_binop): Remove.
8423 (tree_ssa_dominator_optimize): Remove initialization and
8424 finalization of nonzero_vars and nonzero_vars_stack.
8425 (dom_opt_initialize_block): No longer push marker on
8427 (dom_opt_finalize_block): No longer call
8428 restore_nonzero_vars_to_original_value.
8429 (record_equivalences_from_phis): No longer look for
8430 nonzero PHI arguments.
8431 (cprop_into_successor_phis): No longer propagate nonzero
8432 property into PHI arguments. Lose unused argument. Caller
8434 (record_equivalences_from_stmt): No longer record nonzero
8435 values for SSA_NAMEs.
8436 (lookup_avail_expr): No longer use nonzero_vars.
8438 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8439 for sizetype when sizetype is unsigned.
8441 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8443 PR rtl-optimization/25603
8444 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8445 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8446 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8447 with new meaning of SETS.
8449 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8454 * config/linux.opt: New file.
8455 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8456 LINUX_DYNAMIC_LINKER): Define.
8457 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8458 * config.gcc (*-*-linux*): Define extra_options.
8459 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8460 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8461 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8462 GLIBC_DYNAMIC_LINKER.
8463 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8464 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8465 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8466 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8467 * doc/invoke.texi (GNU/Linux Options): New section.
8469 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8471 * config/sparc/sparc.md (setjmp): Rewrite.
8472 (setjmp_32): Delete.
8473 (setjmp_64): Likewise.
8475 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8477 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8480 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8482 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8485 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8487 PR rtl-optimization/26296
8488 * Makefile.in (loop-invariant.c): Add except.h dependency.
8489 * loop-invariant.c: Include except.h.
8490 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8492 2005-02-16 Paul Brook <paul@codesourcery.com>
8494 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8497 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8499 PR rtl-optimization/25636
8500 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8501 when deciding whether an insn is an initializing insn.
8503 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8505 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8506 (tree_code_size): Ditto.
8507 * tree.h (struct tree_memory_tag): Remove parent_var.
8508 (struct tree_struct_field_tag): New.
8511 (union tree_node): Add sft member.
8512 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8514 (create_sft): Add size and offset argument, set SFT_OFFSET and
8516 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8517 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8518 * tree-flow-inline.h (get_subvar_at): Update for
8519 SFT_OFFSET/SFT_SIZE.
8520 (var_can_have_subvars): Ditto.
8521 (overlap_subvar): Ditto.
8522 * print-tree.c (print_node): Print out interesting things for
8524 * tree-flow.h (struct subvar): Remove offset and size members.
8525 * tree-ssa-operands.c (get_expr_operands): Update for
8526 get_indirect_ref_operands changes.
8527 (get_indirect_ref_operands): Call add_virtual_operand instead of
8528 add_stmt_operand. Only recurse on base var if requested.
8529 (access_can_touch_variable): New function.
8530 (add_stmt_operand): Split virtual operand handling into ...
8531 (add_virtual_operand): Here. Add offset, size, and for_clobber
8532 arguments. Prune alias sets.
8533 (add_call_clobber_ops): Call add_virtual_operand.
8535 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8538 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8540 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8541 than TREE_CODE as index into omp_clause_num_ops array.
8543 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8545 PR rtl-optimization/26184
8546 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8548 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8549 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8550 must_precede, must_follow and tobe_scheduled.
8553 * opts.c (common_handle_option): Free new_option pointer.
8554 * df-core.c (df_analyze): Free postorder pointer.
8556 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8558 * Makefile.in: Fix the examples about the use of stamps
8560 2006-02-15 Michael Matz <matz@suse.de>
8564 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8565 influenced by maximum_field_alignment or DECL_PACKED.
8566 (update_alignment_for_field): Ditto.
8567 (place_field): Ditto.
8568 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8571 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8573 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8574 (debug_flow_info): Pass it.
8575 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8576 * bb-reorder.c (reorder_basic_blocks): Likewise.
8577 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8578 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8579 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8580 * gcse.c (gcse_main, bypass_jumps): Likewise.
8581 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8582 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8583 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8584 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8585 * rtl.h (dump_flow_info): Adjust prototype.
8586 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8587 * var-tracking.c (variable_tracking_main): Likewise.
8588 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8589 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8592 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8594 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8597 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8599 PR tree-optimization/26209
8600 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8601 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8603 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8605 2006-02-14 Roger Sayle <roger@eyesopen.com>
8608 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8609 (X,Y) and the corresponding symmetry related transformations.
8610 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8611 (X,Y) and its symmetry related transformations.
8613 2006-02-14 Roger Sayle <roger@eyesopen.com>
8615 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8618 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8620 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8622 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8625 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8626 support COMDAT group.
8627 * configure: Regenerate.
8629 2006-02-14 Roger Sayle <roger@eyesopen.com>
8634 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8636 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8638 Fix PR tree-optimization/26260
8640 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8642 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8643 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8644 * tree-ssa-structalias.c (create_variable_info_for): Use
8645 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8647 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8649 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8651 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8652 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8653 of the ending condition.
8654 * tree-ssa-loop-manip.c: Include params.h.
8655 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8656 tree_unroll_loop): New functions.
8657 * tree-pass.h (pass_loop_prefetch): Declare.
8658 * loop.c (rest_of_handle_loop_optimize): Test for
8659 -fprefetch-loop-arrays-rtl.
8660 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8661 * timevar.def (TV_TREE_PREFETCH): New timevar.
8662 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8663 pass_loop_prefetch): New.
8664 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8665 (cleanup_tree_cfg_loop): Call scev_reset.
8666 * common.opt (fprefetch-loop-arrays-rtl): Add.
8667 * tree-ssa-loop-prefetch.c: New file.
8668 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8669 (new_temp_expr_table): Initialize expr_vars.
8670 (free_temp_expr_table): Cleanup expr_vars.
8671 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8672 expressions from being merged into one.
8673 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8674 (struct tree_niter_desc): Add control, bound and cmp fields.
8675 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8677 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8678 (tree-cfgcleanup.o): Add SCEV_H dependency.
8679 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8680 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8682 2006-02-14 Richard Guenther <rguenther@suse.de>
8684 PR tree-optimization/26258
8685 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8686 in PHI argument processing.
8688 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8690 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8691 new expression in the requested machine mode.
8693 2006-02-13 Roger Sayle <roger@eyesopen.com>
8695 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8696 directly, instead let do_compare_rtx_and_jump handle this for us.
8697 * expr.c (expand_expr_real_1): Likewise.
8698 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8699 before do_jump_by_parts_greater.
8700 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8701 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8703 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8705 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8707 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8709 PR rtl-optimization/26235
8710 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8711 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8714 2006-02-13 Jeff Law <law@redhat.com>
8716 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8719 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8722 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8723 twice if decl is a builtin. When trying again, call get_callee_fndecl
8724 first to verify it is still a builtin.
8726 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8728 * dwarf2out.c (base_type_die): Don't add AT_name here.
8729 (subrange_type_die): Don't add AT_name here.
8730 (modified_type_die): Rearrange code flow. Do add AT_name here.
8732 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8734 PR rtl-optimization/26247
8735 PR rtl-optimization/26248
8736 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8738 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8740 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8741 * config/fixtfdi.c: Likewise.
8742 * config/fixunstfdi.c: Likewise.
8743 * config/floatditf.c: Likewise.
8745 2006-02-13 Roger Sayle <roger@eyesopen.com>
8748 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8749 into (X,C2) if C1 is a subset of the bits of C2. Transform
8750 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8752 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8754 2006-02-13 Josh Conner <jconner@apple.com>
8757 * varasm.c (function_section): Check for section name before
8758 calling select_section on targets that define
8759 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8760 unlikely_text_section instead of hot_function_section if
8761 first_function_block_is_cold.
8763 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8766 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8768 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8770 PR rtl-optimization/26222
8771 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8772 after tree->rtl expansion.
8773 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8774 before passing it to emit_move_insn.
8776 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8778 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8780 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8781 Clarify documentation.
8782 * c-common.h (warn_write_strings): Remove.
8783 * c-common.c (warn_write_strings): Likewise.
8784 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8787 2006-02-12 Roger Sayle <roger@eyesopen.com>
8790 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8791 (do_jump_parts_zero_rtx): New function renamed from
8792 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8793 (do_jump_parts_equality_rtx): New function split out from
8794 do_jump_parts_equality. Old implementation renamed as above.
8795 Call do_jump_parts_zero_rtx if either operand is zero.
8796 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8797 do all of the heavy lifting.
8798 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8799 calling either do_jump_by_parts_greater_rtx or
8800 do_jump_by_parts_equality_rtx.
8801 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8802 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8803 moved to do_compare_rtx_and_jump, call it directly.
8804 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8805 mode argument. Call do_compare_rtx_and_jump.
8806 (emit_case_nodes): Update calls to do_jump_if_equal.
8808 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8810 PR rtl-optimization/26225
8811 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8813 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8815 PR rtl-optimization/26232
8816 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8818 2006-02-11 Jason Merrill <jason@redhat.com>
8821 * tree-inline.c (declare_return_variable): Just don't use the
8822 modify target if it's a gimple complex reg and the return slot
8825 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8827 * doc/contrib.texi: Update my entry.
8829 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8831 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8833 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8835 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8838 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8840 * doc/invoke.texi (-floop-optimize2): Removed.
8841 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8842 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8843 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8844 * common.opt (floop-optimize2): Removed.
8845 (fmove-loop-invariants): Enabled by default.
8847 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8849 * tree-if-conv.c (combine_blocks): Free the result of
8850 get_loop_exit_edges.
8852 2006-02-10 Jeff Law <law@redhat.com>
8854 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8856 PR tree-optimization/26213
8857 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8858 loop trying to follow SSA_NAME_VALUE chains.
8860 2006-02-10 Richard Guenther <rguenther@suse.de>
8862 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8863 deal with structures that end in implicitly variable sized arrays.
8865 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8867 PR rtl-optimization/24762
8868 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8871 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8873 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8874 (struct ivopts_data): Add regs_used field.
8875 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8876 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8877 instead of loop_data->regs_used;
8878 (free_loop_data): Do not free aux fields for loops.
8879 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8880 and tree_ssa_iv_optimize_finalize.
8882 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8884 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8886 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8889 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8890 computing the effective result type.
8892 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8895 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8896 (tree_overlaps_hard_reg_set): Declare.
8897 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8898 type and signature to match function type expected by walk_tree.
8899 (tree_overlaps_hard_reg_set): New function.
8900 (decl_conflicts_with_clobbers_p): Rename to:
8901 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8902 Use tree_overlaps_hard_reg_set. Changed caller.
8903 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8904 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8905 * cris.c (cris_md_asm_clobbers): Likewise.
8907 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8909 * reload1.c (emit_input_reload_insns): Delete code that tries to
8910 inherit using find_equiv_reg.
8912 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8914 * c-common.h (flag_const_strings): Don't declare.
8915 * c-common.c (flag_const_strings): Remove.
8916 * c.opt (fconst_strings): Remove.
8917 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8918 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8919 (c_common_init_options): Don't set flag_const_strings.
8920 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8922 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8924 * arm.md (tlobits_cbranch): New pattern.
8925 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8926 testing a single bit.
8928 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8931 * tree-ssa-pre.c (create_component_ref_by_pieces):
8932 Handle RETURN_DECL like VAR_DECL.
8934 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8937 * fold-const.c (fold_indirect_ref_1): Fold
8938 "*(foo *)&complexfoo" to "__real__ complexfoo"
8939 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8941 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8943 * tree-flow-inline.h (var_can_have_subvars):
8944 Volatile variables should not have subvariables.
8946 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8949 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8950 multiplying unsigned values.
8953 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8955 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8957 2006-02-08 Jason Merrill <jason@redhat.com>
8960 * tree.def: Elaborate on difference from MODIFY_EXPR.
8961 * doc/c-tree.texi (INIT_EXPR): Likewise.
8962 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8963 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8964 (gimplify_target_expr): Likewise.
8965 (gimplify_cond_expr): Remove target handling.
8966 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8967 (gimplify_expr): Clobber it here.
8968 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8969 Do return slot optimization if we have an INIT_EXPR.
8972 * tree-inline.c (declare_return_variable): Also clear
8973 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8976 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8979 * gimplify.c (gimplify_one_sizepos): Fix typo.
8981 2006-02-08 Jeff Law <law@redhat.com>
8983 PR tree-optimization/21417
8984 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8985 across a backedge if the control statement at the end of the
8986 block is data dependent on other statements in the same block.
8987 (record_temporary_equivalences_from_stmts): Remove over-conservative
8988 test for threading across backedges.
8990 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8991 control statement, handle all three special cases in the same
8992 manner as they all have the same desired solution. No longer
8993 special case edge flag updating when the post dominator is
8996 2006-02-08 Roger Sayle <roger@eyesopen.com>
8998 * tree.def (CHAR_TYPE): Remove.
8999 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9000 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9001 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9002 (gen_string_type_die): Delete unreachable function.
9004 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9005 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9006 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9007 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9008 * builtins.c (type_to_class): Likewise.
9009 * fold-const.c (fold_convert, build_range_check,
9010 merge_ranges): Likewise.
9011 * expr.c (count_type_elements): Likewise.
9012 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9013 * stor-layout.c (layout_type): Likewise.
9014 * ipa-type-escape.c (type_to_consider): Likewise.
9015 * gimplify.c (omp_firstprivatize_type_sizes,
9016 gimplify_type_sizes): Likewise.
9017 * explow.c (promote_mode): Likewise.
9018 * tree-sra.c (is_sra_scalar_type): Likewise.
9019 * varasm.c (output_constant): Likewise.
9020 * tree-inline.c (remap_type_1): Likewise.
9021 * convert.c (convert_to_pointer, convert_to_real,
9022 convert_to_integer, convert_to_complex): Likewise.
9024 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9026 * df-scan.c (df_def_record_1): A set destination may
9027 be a parallel regardless of mode.
9029 2006-02-08 Roger Sayle <roger@eyesopen.com>
9032 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9033 * config/mips/_tilib.c: Remove.
9034 * config/fixtfdi.c: New libgcc source file.
9035 * config/fixunstfdi.c: New source file.
9036 * config/floatditf.c: New source file.
9037 * config/floatunditf.c: New souce file.
9038 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9039 files above instead of config/mips/_tilib.c.
9040 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9042 2006-02-08 Jeff Law <law@redhat.com>
9044 PR tree-optimization/26169
9045 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9048 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9050 * df.h (DF_REG_SIZE): Return the length of the initialized
9053 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9055 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9056 __muldf3): Return a correctly signed zero.
9058 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9060 * passes.c (register_one_dump_file): Accept the current properties
9061 instead of pass number. Adjust call to dump_register. Remove
9063 (register_dump_files): Now a wrapper around...
9064 (register_dump_files_1): ... this one. Do not modify the pass
9066 (next_pass_1): Cosmetic fix.
9067 (execute_todo): Keep second parameter only. Use curr_properties
9068 instead of fetching it from the pass structure. Check and set
9070 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9071 instead of fetching it from the pass structure. Fix calls to
9072 execute_todo. Update curr_properties and initialize .vcg RTL dump
9073 after running the pass. Reset last_verified.
9074 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9076 (FIRST_AUTO_NUMBERED_DUMP): New.
9077 (dump_register): Remove "num" parameter, assign it within the
9079 (get_dump_file_name): Modify template for dumps.
9080 * tree-dump.h (dump_register): Adjust prototype.
9081 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9082 (PROP_trees): Add PROP_gimple_lomp.
9083 (TODO_set_props): New.
9084 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9085 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9086 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9088 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9090 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9091 (sparc64-*-linux*): Likewise.
9092 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9093 * config/sparc/t-linux: New file.
9094 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9095 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9096 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9097 -m32 -mlong-double-128.
9099 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9100 * config/alpha/t-linux: New file.
9101 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9103 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9104 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9105 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9106 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9107 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9108 (CPP_ARCH32_SPEC): Remove.
9110 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9112 PR tree-optimization/26145
9113 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9116 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9119 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9120 >= 240000 when generating code for SOM runtime.
9121 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9122 to $$dyncall when generating code for SOM runtime..
9124 2006-02-07 Dirk Mueller <dmueller@suse.com>
9127 * doc/invoke.texi (-Wsequence-point): Update documentation
9128 that -Wsequence-point is implemented for C++ as well.
9130 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9132 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9133 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9134 (LIB_SPEC): Likewise.
9135 * doc/invoke.texi (SPARC options): Document -pthread.
9137 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9139 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9142 2006-02-07 Roger Sayle <roger@eyesopen.com>
9144 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9145 Correct comment describing BOOLEAN_TYPE.
9147 2006-02-07 Dirk Mueller <dmueller@suse.com>
9149 * c.opt: C++ frontend supports -Wdiv-by-zero.
9150 * c-opts.c (c_common_handle_option): Remove dead case.
9152 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9154 * configure.ac (TLS assembler check): Do not enable TLS by
9155 default on SPARC/Solaris before version 10.
9156 * configure: Regenerate.
9158 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9160 * doc/invoke.texi (xl-compat): Document conversion and support
9163 2006-02-07 Jeff Law <law@redhat.com>
9165 * tree-vrp.c (find_conditional_asserts): Update comments.
9166 (simplify_stmt_for_jump_threading): New.
9167 (identify_jump_threads, finalize_jump_threads): New.
9168 (vrp_finalize): Call identify_jump_threads.
9169 (execute_vrp): Call finalize_jump_threads.
9170 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9171 (vrp_element, vrp_data, vrp_element_p): Remove.
9172 (vrp_hash_elt, vrp_variables_stack): Remove.
9173 (vrp_hash, vrp_eq, record_range): Remove.
9174 (simplify_cond_and_lookup_avail_expr): Remove.
9175 (extract_range_from_cond): Remove.
9176 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9177 (simplify_stmt_for_jump_threading): New.
9178 (dom_thread_across_edge): New wrapper.
9179 (tree_ssa_dominator_optimize): No longer initialize or
9180 finalize any of the VRP datastructures. Remove iteration
9181 step and simplify as a result of removal of iteration step.
9182 (pass_dominator): Perform a cfg cleanup after DOM.
9183 (dom_opt_finalize_block): Use the new common routines
9184 for threading jumps. Simplify stack management slightly.
9185 No longer need to unwind VRP state.
9186 (record_equivalences_from_incoming_edge): No longer record
9188 (eliminate_redundant_computations): No longer call
9189 simplify_cond_and_lookup_avail_expr.
9190 * tree-flow.h (potentially_threadable_block): Prototype.
9191 (thread_across_edge): Likewise.
9192 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9193 (tree-ssa-threadedge.o): Add dependencies.
9194 * tree-ssa-threadedge.c: New file.
9195 * passes.c (init_optimization_passes): Merge PHIs before
9196 calling VRP. Run VRP again late in the SSA optimization pipeline.
9198 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9200 * df-core.c (df_set_blocks): Do not dereference function pointers.
9201 (df_finish1): Likewise.
9202 (df_hybrid_search_forward): Likewise.
9203 (df_hybrid_search_backward): Likewise.
9204 (df_iterative_dataflow): Likewise.
9205 (df_analyze_problem): Likewise.
9206 (df_compact_blocks): Likewise.
9207 (df_dump): Likewise.
9208 * df-scan.c (df_rescan_blocks): Likewise.
9209 (df_record_entry_block_defs): Likewise.
9211 * genconditions.c (write_conditions): Guard the definition of
9212 'insn_conditions' with the check on GCC version.
9213 (write_writer): Guard the traversal 'insn_conditions' with
9214 the check on GCC version.
9216 2006-02-07 Richard Guenther <rguenther@suse.de>
9220 2006-01-30 Richard Guenther <rguenther@suse.de>
9222 * gimplify.c (gimplify_target_expr): Handle easy cases
9223 without creating a temporary.
9225 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9227 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9228 use of float in probability computations. Use edge probabilities
9229 in place of statically computed probabilities.
9230 (min_spec_prob): New static variable.
9231 (schedule_insns): Initialize it.
9232 (GET_SRC_PROB): Removed.
9233 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9235 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9238 * config/ia64/unwind-ia64.c: Revert last change.
9239 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9240 (INCOMING_FRAME_SP_OFFSET): Define.
9242 2006-02-06 Roger Sayle <roger@eyesopen.com>
9244 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9246 2006-02-07 Ben Elliston <bje@au.ibm.com>
9248 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9249 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9250 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9251 (ix86_return_in_memory): Handle TDmode.
9252 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9253 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9255 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9257 * reorg.c (dbr_schedule): Use dump_file instead of file.
9259 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9262 * config/ia64/predicates.md (extr_len_operand): New predicate.
9263 * config/ia64/ia64.md (extv): Tighten constraints.
9265 (*tbit_and_2): Ditto.
9266 (*tbit_and_3): Ditto.
9267 (*tbit_or_2): Ditto.
9268 (*tbit_or_3): Ditto.
9272 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9275 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9277 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9279 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9280 loop_optimizer_init and loop_optimizer_finalize
9281 * tree-ssa-sink.c (execute_sink_code): Ditto.
9282 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9283 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9284 tree_ssa_loop_done): Ditto.
9285 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9286 * sched-ebb.c: Include output.h.
9287 (schedule_ebbs): Do not use dump argument.
9288 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9289 * loop.c (loop_dump_stream): Removed.
9290 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9292 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9293 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9294 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9295 loop_iterations, strength_reduce, record_biv, record_giv,
9296 final_giv_value, check_final_value, check_ext_dependent_givs,
9297 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9298 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9299 dump_file instead of loop_dump_stream.
9300 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9302 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9304 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9305 * haifa-sched.c: Include output.h
9306 (schedule_insns, sched_init): Do not use dump argument.
9307 * mode-switching.c (optimize_mode_switching): Ditto.
9308 * modulo-sched.c (stats_file): Removed.
9309 (print_node_sched_params): Do not call argument dump_file.
9310 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9311 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9313 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9315 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9316 rtl_loop_init, rtl_loop_done): Ditto.
9317 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9318 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9320 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9321 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9322 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9323 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9324 * emit-rtl.c (renumber_insns): Ditto.
9325 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9326 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9327 * regclass.c (regclass): Ditto.
9328 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9329 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9330 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9331 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9333 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9334 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9336 * gcse.c (gcse_file, debug_stderr): Removed.
9337 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9338 rest_of_handle_gcse): Do not use dump argument.
9339 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9340 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9341 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9342 compute_code_hoist_vbeinout, compute_code_hoist_data,
9343 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9344 compute_store_table, build_store_vectors, insert_insn_start_bb,
9345 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9346 store_motion): Use dump_file instead of gcse_file.
9347 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9348 * profile.c (profile_dump_file): Removed.
9349 (branch_prob): Use dump_file instead of profile_dump_file.
9350 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9352 * tree-ssa-copy.c (dump_copy_of): Ditto.
9353 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9354 dump file to life_analysis.
9355 * bt-load.c (branch_target_load_optimize): Ditto.
9356 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9358 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9359 regclass, dbr_schedule): Declaration changed.
9360 * sched-int.h (sched_init): Declaration changed.
9361 * tree-profile.c (tree_profile_dump_file): Removed.
9362 (tree_profile_hooks): Removed profile_dump_file hook.
9363 * rtl-profile (rtl_profile_dump_file): Removed.
9364 (rtl_profile_hooks): emoved profile_dump_file hook.
9365 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9367 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9368 * tree-cfg.c (build_tree_cfg): Ditto.
9369 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9370 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9371 Declaration changed.
9372 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9373 life_analysis and schedule_insns.
9374 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9376 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9378 * config/mips/mips.c (mips_reorg): Ditto.
9379 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9382 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9384 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9385 (s390_mangle_fundamental_type): New.
9386 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9389 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9390 (alpha_mangle_fundamental_type): New.
9391 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9394 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9396 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9398 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9399 (sparc_mangle_fundamental_type): New.
9401 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9403 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9404 (s390x-*-linux*): Likewise.
9405 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9406 * config/s390/t-linux: New file.
9408 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9410 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9411 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9413 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9415 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9416 (ANTIC_SAFE_LOADS): New macro.
9417 (find_or_generate_expression): Add prototype.
9418 (set_contains_value): Allow null set for sake of not always having
9419 to allocate ANTIC_SAFE_LOADS.
9420 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9421 Allow COMPONENT_REF too.
9422 (valid_in_set): Allow COMPONENT_REF.
9423 Check ANTIC_SAFE_LOADS too.
9424 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9425 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9427 (can_PRE_operation): Add COMPONENT_REF.
9428 (create_component_ref_by_pieces): New function.
9429 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9430 (insert_aux): Move AGGREGATE_TYPE_P check here.
9431 (compute_avail): Set bb local stmt uids.
9432 (pass_pre): Use TODO_update_ssa_only_virtuals.
9434 2006-02-06 Ben Elliston <bje@au.ibm.com>
9436 * configure.ac: Unconditionally disable decimal float by default.
9437 * configure: Regenerate.
9439 2006-02-06 Ben Elliston <bje@au.ibm.com>
9441 * read-rtl.c (read_name): Terminate reading on EOF.
9443 2006-02-06 Ben Elliston <bje@au.ibm.com>
9445 * dfp.c (decimal_real_arithmetic): Change second argument type
9446 from int to enum tree_code. Do not always return true, but now
9447 return result of any call to decimal_do helper functions.
9448 * dfp.h (decimal_real_arithmetic): Update prototype.
9450 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9452 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9454 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9457 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9460 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9462 * tree-vrp.c (cfg_loops): Removed.
9463 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9464 Use current_loops instead of cfg_loops. Pass flags to
9465 loop_optimizer_init.
9466 * cfgloopmanip.c (fix_loop_structure): Update only available
9468 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9469 loop_optimizer_init.
9470 * modulo-sched.c (build_loops_structure): Removed.
9471 (sms_schedule): Use loop_optimizer_init.
9472 * loop-init.c (loop_optimizer_init): Use flags to determine
9473 which properties of loops to prepare.
9474 (rtl_loop_init): Pass flags to loop_optimizer_init.
9475 * tree-ssa-sink.c (execute_sink_code): Ditto.
9476 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9477 * tree-ssa-pre.c (init_pre): Ditto.
9478 * cfgloop.h (LOOPS_NORMAL): New.
9479 (loop_optimizer_init): Declaration changed.
9481 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9483 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9484 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9486 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9488 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9490 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9491 * pa/t-pa64: Delete quadlib.c rule.
9492 * pa/x-ada: Revert last change.
9493 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9495 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9497 PR rtl-optimization/26087
9498 * rtlanal.c (canonicalize_condition): Do not cross basic block
9501 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9504 * config/ia64/ia64.c: Include debug.h.
9505 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9506 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9507 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9508 (process_epilogue, process_set, process_for_unwind_directive):
9509 Output unwind info only if requested. Add CFA info if requested.
9510 Add new arguments as needed. Adjust callers.
9511 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9513 (DWARF2_FRAME_INFO): Define to zero.
9514 * config/ia64/unwind-ia64.c: Remove code that compensated for
9515 the CFA offset error fixed above.
9516 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9517 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9518 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9519 -funwind-tables and -fexceptions to enable frame info.
9520 (dwarf2out_frame_init): Define initial CFA even if
9521 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9522 DWARF2_UNWIND_INFO is nonzero, not just defined.
9523 (dwarf2out_frame_finish): Output non-EH call frame info only
9524 if DWARF2_FRAME_INFO is nonzero.
9525 (convert_cfa_to_loc_list,
9526 compute_frame_pointer_to_cfa_displacement): Define even if
9527 unwind info is not supported.
9528 (gen_subprogram_die): Use the above unconditionally. Remove
9529 legacy alternate code.
9530 * toplev.c (compile_file): Compile in call to
9531 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9532 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9534 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9535 Jakub Jelinek <jakub@redhat.com>
9537 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9538 IBM extended float format long double as "g" on powerpc*-linux.
9540 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9543 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9544 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9546 2006-02-03 Jason Merrill <jason@redhat.com>
9549 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9552 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9553 on the return slot if it's an NRV.
9555 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9557 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9558 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9559 rewrite_use): Do not handle USE_OUTER.
9560 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9561 add_iv_outer_candidates, may_replace_final_value,
9562 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9563 (find_interesting_uses_op): Functionality of
9564 find_interesting_uses_outer_or_nonlin moved here.
9565 (find_interesting_uses_outside): Use find_interesting_uses_op.
9567 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9570 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9572 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9573 Ulrich Weigand <uweigand@de.ibm.com>
9576 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9577 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9578 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9579 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9581 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9582 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9583 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9584 Define secondary reloads for TFmode moves.
9585 (constant_modes): Add TFmode.
9586 (NR_C_MODES): Set to 8.
9587 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9589 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9590 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9591 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9592 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9593 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9594 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9595 (FPR mode macro): Add TFmode.
9596 (DSF mode macro): New.
9597 (<de>, <dee> mode attributes): Removed.
9598 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9599 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9600 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9601 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9602 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9603 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9604 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9605 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9606 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9607 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9608 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9609 "*negabs<mode>2", "sqrt<mode>2"):
9610 Changed <de> to <xde>. R constraint replaced by <Rf>.
9611 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9613 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9614 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9615 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9617 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9618 "extenddftf2", "extendsftf2"): New expanders.
9619 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9620 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9621 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9622 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9624 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9625 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9626 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9627 __floatditf): Add a GCC_4.1.0 symbol version tag.
9628 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9631 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9634 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9635 Use targetm.binds_local_p instead of TREE_PUBLIC.
9637 2006-02-02 Roger Sayle <roger@eyesopen.com>
9639 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9640 on INTEGER_TYPEs to indicate that it denotes a character type.
9641 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9642 signed_char_type_node, unsigned_char_type_node and char_type_node.
9643 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9644 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9645 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9647 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9648 Daniel Berlin <dberlin@dberlin.org>
9650 * tree-tailcall.c (arg_needs_copy_p): New function.
9651 (eliminate_tail_call): Use arg_needs_copy_p.
9652 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9653 (add_virtual_phis): New function.
9655 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9657 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9658 #ignore instead of #scratch for %g7 .register directive.
9660 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9662 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9665 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9667 * flow.c (calculate_global_regs_live): Assert that there aren't any
9670 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9672 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9674 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9675 bsi_after_labels iterator.
9676 * tree-if-conv.c (find_phi_replacement_condition,
9677 replace_phi_with_cond_modify_expr): Likewise.
9678 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9679 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9681 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9683 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9685 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9688 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9689 array after growing it.
9691 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9694 * fold-const.c (fold_checksum_tree): Change type of buf.
9696 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9698 * reload.c (push_secondary_reload): Initialize t_icode.
9700 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9702 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9703 -msoft-float -mlong-double-128 only issue a warning, but don't
9704 swich to DFmode long double.
9706 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9708 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9709 has a constant equivalent, iterate over equivalents for arg0,
9710 calling simplify_relational_operation and if there's a result
9711 cheaper than X, apply fold_rtx and return the result.
9713 2006-02-01 Jan Hubicka <jh@suse.cz>
9715 * opts.c (no_unit_at_a_time_default): New global variable.
9716 (decode_options): Use it.
9717 * opts.h (no_unit_at_a_time_default): Declare.
9719 2006-02-01 Paul Brook <paul@codesourcery.com>
9721 * function.c (assign_parm_setup_reg): Use function argument promotion
9723 * expr.c (expand_expr_real_1): Use function argument promotion rules
9726 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9728 * gcc.c (process_command): Change j to 'unsigned int'.
9730 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9733 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9734 Use the corrected index for the character
9735 out of the string constant.
9737 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9739 * mode-switching.c (optimize_mode_switching): Fix size
9740 allocated for bb_info[n_entities].
9742 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9744 * gcc.c (main): Correct type that is allocated for
9745 explicit_link_files.
9747 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9749 * config/s390/s390.c (init_alignment_context): Set
9750 ALIAS_SET_MEMORY_BARRIER on the MEM.
9751 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9753 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9756 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9758 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9761 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9763 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9764 * regrename.c: Ditto.
9765 * tree-ssa-loop-im.c: Ditto.
9766 * tree-dump.c: Ditto.
9767 * tree-complex.c: Ditto.
9768 * genrecog.c: Ditto.
9769 * tree-ssa-threadupdate.c: Ditto.
9771 * java/class.c: Ditto.
9772 * java/jcf-parse.c: Ditto.
9773 * java/resource.c: Ditto.
9774 * java/except.c: Ditto.
9775 * java/jvspec.c: Ditto.
9776 * java/jcf-write.c: Ditto.
9777 * java/jcf-path.c: Ditto.
9778 * java/gjavah.c: Ditto.
9779 * java/zextract.c: Ditto.
9780 * java/jcf-io.c: Ditto.
9781 * java/jcf.h: Ditto.
9782 * java/buffer.c: Ditto.
9783 * java/lang.c: Ditto.
9784 * java/parse-scan.y: Ditto.
9785 * java/lex.c: Ditto.
9786 * java/lex.h: Ditto.
9787 * cfgloopmanip.c: Ditto.
9788 * postreload-gcse.c: Ditto.
9789 * tree-ssa-loop-manip.c: Ditto.
9790 * postreload.c: Ditto.
9791 * tree-ssa-loop-ch.c: Ditto.
9795 * diagnostic.c: Ditto.
9797 * genoutput.c: Ditto.
9799 * cfghooks.c: Ditto.
9800 * cfgloopanal.c: Ditto.
9801 * objc/objc-act.c: Ditto.
9803 * genextract.c: Ditto.
9804 * genautomata.c: Ditto.
9805 * pretty-print.c: Ditto.
9807 * cgraphunit.c: Ditto.
9810 * haifa-sched.c: Ditto.
9811 * dominance.c: Ditto.
9813 * tree-ssa-loop-ivopts.c: Ditto.
9815 * mode-switching.c: Ditto.
9816 * modulo-sched.c: Ditto.
9818 * ipa-pure-const.c: Ditto.
9820 * fix-header.c: Ditto.
9822 * tree-stdarg.c: Ditto.
9823 * ipa-utils.c: Ditto.
9824 * loop-init.c: Ditto.
9825 * ipa-inline.c: Ditto.
9828 * alloc-pool.c: Ditto.
9829 * dwarf2out.c: Ditto.
9831 * genattrtab.c: Ditto.
9832 * tree-ssa-loop-ivcanon.c: Ditto.
9836 * fortran/gfortranspec.c: Ditto.
9838 * local-alloc.c: Ditto.
9839 * langhooks.c: Ditto.
9840 * function.c: Ditto.
9841 * tree-vectorizer.c: Ditto.
9843 * ipa-type-escape.c: Ditto.
9845 * tree-if-conv.c: Ditto.
9848 * tree-data-ref.c: Ditto.
9849 * loop-unroll.c: Ditto.
9850 * treelang/treetree.c: Ditto.
9853 * ggc-common.c: Ditto.
9855 * coverage.c: Ditto.
9857 * tree-cfgcleanup.c: Ditto.
9858 * tree-ssa-pre.c: Ditto.
9859 * cfgcleanup.c: Ditto.
9860 * loop-invariant.c: Ditto.
9862 * ipa-prop.c: Ditto.
9863 * print-tree.c: Ditto.
9864 * conflict.c: Ditto.
9865 * ggc-page.c: Ditto.
9866 * sched-deps.c: Ditto.
9867 * regclass.c: Ditto.
9868 * tree-object-size.c: Ditto.
9870 * bb-reorder.c: Ditto.
9871 * resource.c: Ditto.
9872 * var-tracking.c: Ditto.
9874 * df-problems.c: Ditto.
9875 * reg-stack.c: Ditto.
9878 * sched-rgn.c: Ditto.
9879 * tree-ssa-structalias.c: Ditto.
9880 * tree-ssa-reassoc.c: Ditto.
9881 * config/darwin-c.c: Ditto.
9882 * config/darwin.c: Ditto.
9883 * config/arm/arm.c: Ditto.
9885 * collect2.c: Ditto.
9888 2006-01-31 Nicolas Pitre <nico@cam.org>
9890 * arm.md (smaxsi3): Make aware of smax_m1.
9893 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9895 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9897 2006-01-31 Richard Guenther <rguenther@suse.de>
9899 * doc/invoke.texi (-msselibm): Document.
9900 * target.h (expand_library_builtin): New target hook.
9901 * builtins.c (expand_builtin): Use expand_library_builtin.
9902 (default_expand_library_builtin): New function.
9903 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9904 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9905 (link_gcc_math_spec): Declare.
9906 (static_specs): Add link_gcc_math_spec.
9907 * expr.h (default_expand_library_builtin): Declare.
9908 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9909 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9910 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9911 * config/i386/i386.opt (msselibm): New target option.
9912 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9913 (ix86_init_sse_abi_builtins): New function.
9914 (ix86_expand_library_builtin): Likewise.
9915 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9916 (override_options): Handle error conditions wrt -msselibm.
9917 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9918 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9919 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9922 2006-01-31 Richard Guenther <rguenther@suse.de>
9923 Paolo Bonzini <bonzini@gnu.org>
9925 * doc/install.texi (--disable-libgcc-math): Document.
9927 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9929 * expr.h (expand_normal): new inline function.
9930 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9932 * dwarf2out.c: use it.
9937 * config/sparc/sparc.c: use it.
9938 * config/i386/i386.c: use it.
9939 * config/rs6000/rs6000.c: use it.
9940 * config/arm/arm.c: use it.
9941 * config/mips/mips.c: use it.
9942 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9944 2006-01-30 Roger Sayle <roger@eyesopen.com>
9946 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9947 argv to the appropriate type.
9949 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9951 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9954 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9957 * config/s390/s390.c (struct machine_function): New flag
9958 decomposed_literal_pool_addresses_ok_p.
9959 (s390_reorg): Set it before final stage of literal pool transforms.
9960 (s390_decompose_address): Only accept displacements of the form
9961 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9963 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9965 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9966 the comparison routine return.
9968 2006-01-30 Michael Matz <matz@suse.de>
9970 * global.c (find_reg): Only evict for global regs.
9971 Take n_refs into account and dump more info.
9973 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9976 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9977 (pragma_trap, pragma_nosave_low_regs): Likewise.
9978 (current_function_anonymous_args): Likewise.
9979 (sh_deferred_function_attributes): New variable.
9980 (sh_deferred_function_attributes_tail): Likewise.
9981 (print_operand): For '@', look up trap_exit attribute.
9982 (calc_live_regs): Look up trapa_handler attribute. For trapa
9983 handlers, save/restore fpscr, but don't do any other
9984 interrupt-specific saves.
9985 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9986 Fix check for partially saved registers to check for SHmedia.
9987 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9988 (sh_output_function_epilogue): Don't clear any of the removed
9990 (sh_insert_attributes): Don't check pragma_interrupt.
9991 Insert deferred attributes. Check that interrupt attribute is
9992 present for other attributes that require its presence.
9993 (sh_attribute_table): Add new attributes trapa_handler and
9995 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9996 Don't check for pragma_interrupt. Don't store argument.
9997 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9998 (sh_deferred_function_attributes): Declare.
9999 (sh_deferred_function_attributes_tail): Likewise.
10000 * sh.md (sp_switch_1): Add operand. Change generator caller.
10001 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10002 (*return_i): Don't use when trap_exit attribute is in effect.
10003 (*return_trapa): New insn pattern.
10004 * sh-c.c: New file.
10005 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10006 setting c_target_objs and cxx_target_objs.
10007 * t-sh: Add rule for sh-c.o.
10009 2006-01-30 Richard Guenther <rguenther@suse.de>
10012 * gimplify.c (gimplify_target_expr): Handle easy cases
10013 without creating a temporary.
10015 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10017 * vec.h (safe_grow): Remove duplicated line.
10019 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10022 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10023 (expand_omp): ... here.
10024 (expand_omp_parallel): Only remove barriers for combined
10025 parallel+workshare constructs.
10027 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10031 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10032 * tree.c (build_qualified_type): Chain the new type to the original
10033 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10034 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10035 (build_pointer_type_for_mode): Only return unqualified types.
10036 (build_reference_type_for_mode): Likewise.
10038 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10040 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10041 * Makefile.in (CXX_COMPAT_WARN): Define.
10042 * configure: Regenerate.
10044 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10047 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10050 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10052 * toplev.c: Fix thinko.
10054 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10055 Marcin Dalecki <martin@dalecki.de>
10057 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10058 (push_srcloc): Use XNEW.
10059 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10061 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10063 * df-core.c (df_set_blocks): Deleted all variable.
10065 2006-01-28 Ian Lance Taylor <ian@airs.com>
10067 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10068 cgraph_output_pending_asms.
10070 2006-01-28 Zack Weinberg <zackw@panix.com>
10072 * c.opt: Add -W(no-)overlength-strings.
10073 * doc/invoke.texi: Document it.
10074 * c-opts.c (c_common_handle_option): -pedantic implies
10075 -Woverlength-strings, if not explicitly disabled already.
10076 (c_common_post_options): -Woverlength-strings defaults to off, and
10077 is always off for C++.
10078 * c-common.c (fix_string_type): Issue warning about strings longer
10079 than is portable only if warn_overlength_strings. Rearrange code
10080 a little for clarity.
10081 * configure.in: Check for -Wno-overlength-strings as well before
10082 enabling -pedantic in stage 1.
10083 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10084 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10086 * genconditions.c (write_header, write_one_condition)
10087 (write_conditions, write_writer): Consolidate very long strings
10088 that were broken up to fit in C89 portable limit. Don't use
10089 printf when fputs will do.
10091 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10093 * combine.c (simplify_comparison <AND>): Check
10094 TRULY_NOOP_TRUNCATION before start using a subreg.
10096 * config/mips/mips.md (*branch_zero<mode>,
10097 *branch_zero<mode>_inverted, *branch_equality<mode>,
10098 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10099 Remove mode check from comparisons.
10101 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10103 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10105 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10107 * expmed.c (const_mult_add_overflow_p): Remove.
10108 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10110 * recog.c (validate_replace_rtx_subexp): Remove.
10111 * recog.h: Remove the prototype for
10112 validate_replace_rtx_subexp.
10114 * integrate.h: Remove the prototype for
10115 copy_decl_for_inlining.
10116 * rtl.h: Remove the prototype for mark_constant_function.
10117 * tree-vectorizer.h: Remove the prototype for
10118 vect_strip_conversion.
10120 * modulo-sched.c (create_partial_schedule,
10121 free_partial_schedule, reset_partial_schedule): Make them
10124 * hooks.c (hook_bool_rtx_int_false): Remove.
10125 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10127 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10129 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10130 and -mlong-double-128 are incompatible.
10131 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10132 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10133 (TARGET_LIBGCC2_CFLAGS): Define.
10134 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10135 (TARGET_LIBGCC2_CFLAGS): Same.
10136 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10138 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10141 * c-typeck.c (build_binary_op): Perform implicit casts of
10142 operands before shortening them.
10144 * cfgloopmanip.c (split_loop_bb): Remove.
10145 * cfgloop.h: Remove the prototype for split_loop_bb.
10147 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10148 * cfgloop.h: Remove the prototype for
10149 flow_loop_outside_edge_p.
10151 * emit-rtl.c (init_virtual_regs): Make it static.
10152 * function.h: Remove the prototype for init_virtual_regs.
10154 * recog.c (peephole2_optimize): Make it static.
10155 * recog.h: Remove the prototype for peephole2_optimize.
10157 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10159 * df-scan.c (df_record_entry_block_defs): Check if
10160 INCOMING_RETURN_ADDR_RTX is defined.
10162 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10163 Kenneth Zadeck <zadeck@naturalbridge.com>
10165 PR rtl-optimization/24762
10166 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10167 * targhooks.c (hook_void_bitmap): New hook prototype.
10168 * targhoohs.h (hook_void_bitmap): Ditto.
10169 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10170 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10171 * target.h (live_on_entry): New function pointer.
10172 * df-scan.c (df_all_hard_regs): Removed.
10173 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10174 (df_scan_free_internal): Added df->entry_block_defs.
10175 (df_scan_alloc): Ditto.
10176 (df_scan_dump): Ditto.
10177 (df_uses_record): Plumbed flag field properly thru calls.
10178 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10179 This part fixes PR24762.
10180 (df_bb_refs_record): Added code to make the frame and arg
10181 pointers live in EH blocks.
10182 (df_refs_record): Added call to df_record_entry_block_defs.
10183 (df_record_entry_block_defs): New function.
10184 * df-core.c: Added comments to describe new artifical defs.
10185 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10186 (entry_block_defs): New field in struct df.
10187 (df_all_hard_regs): Deleted.
10188 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10189 * df-problems.c (df_ru_bb_local_compute_process_def):
10190 Added code to handle artifical defs in the entry to a function.
10191 (df_ru_bb_local_compute): Ditto.
10192 (df_rd_bb_local_compute_process_def): Ditto.
10193 (df_rd_bb_local_compute): Ditto.
10194 (df_lr_bb_local_compute): Ditto.
10195 (df_ur_bb_local_compute): Ditto.
10196 (df_urec_bb_local_compute): Ditto.
10197 (df_chain_create_bb): Ditto.
10198 (df_ur_local_finalize): Removed entry.
10199 (df_urec_init): Ditto.
10200 (df_urec_local_finalize): Ditto.
10201 (df_ri_bb_compute): Added detection of last use of pseudos.
10202 * Makefile.in (df-scan.o): Updated dependencies.
10203 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10204 * config/mips/mips.c (mips_set_live_on_entry): Added.
10205 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10207 * dce.c (marked_insn_p): Added code to handle artifical defs.
10209 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10211 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10213 (_mm_cvtsi128_si64): Likewise.
10214 (_mm_cvtsd_si64): Likewise.
10215 (_mm_cvttsd_si64): Likewise.
10216 (_mm_cvtsi64_sd): Likewise.
10217 (_mm_cvtsi64_si128): Likewise.
10218 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10219 (_mm_cvtsi64_m64): Likewise.
10220 (_m_to_int64): Likewise.
10221 (_mm_cvtm64_si64): Likewise.
10222 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10223 (_mm_cvttss_si64): Likewise.
10224 (_mm_cvtsi64_ss): Likewise.
10225 (_mm_cvtss_f32): Likewise.
10227 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10229 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10230 for pragma redefine_extname.
10232 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10235 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10236 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10237 -mno-minimal-toc to previous content.
10238 (bispecs): Remove goal.
10239 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10240 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10241 compatibility aliases on powerpc-*-*gnu*.
10242 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10243 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10244 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10245 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10246 (ldblspecs): New goal.
10247 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10248 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10250 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10251 L_sf_to_tf or L_df_to_tf is defined.
10253 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10254 Alan Modra <amodra@bigpond.net.au>
10257 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10258 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10259 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10260 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10261 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10262 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10263 (rs6000_override_options): Initialize rs6000_ieeequad.
10264 Initialize TFmode format to ibm_extended_format if not
10266 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10268 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10269 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10270 (function_arg_advance): IBM long double passed in two FPRs, not
10272 (function_arg): IBM long double passed in FPRs.
10273 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10274 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10275 Only multireg GPR aligned.
10276 (rs6000_init_libfuncs): Enable IBM long double functions if not
10278 (rs6000_generate_compare): Use IBM long double compare if not
10280 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10281 (TARGET_IEEEQUAD): Define.
10282 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10283 not TARGET_IEEEQUAD.
10284 * config/rs6000/rs6000.md: Enable TFmode patterns if
10286 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10287 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10288 and -mlong-double-128 are incompatible.
10289 * doc/invoke.texi (-mabi): Collect options together. Add
10290 ibmlongdouble and ieeelongdouble.
10292 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10294 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10296 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10297 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10298 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10299 * rtl.h (rtunion_def): Remove rt_ptr.
10301 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10302 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10303 * config/i386/winnt.c (i386_pe_mark_dllexport)
10304 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10306 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10308 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10310 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10314 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10315 pthread_key_delete. From John David Anglin. gthrw-ify
10316 pthread_getunique_np only if it it's not a macro. Delete
10318 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10319 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10320 __gthread_objc_condition_signal, __gthread_key_delete): Add
10321 "__attribute__ ((__unused__))" to unused arguments.
10322 (__gthread_recursive_mutex_init_function): Add missing return.
10323 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10324 gthr-posix95.h: Use macro-based approach for name redirection
10325 on targets missing weakref.
10327 2006-01-26 Zack Weinberg <zackw@panix.com>
10329 * genconditions.c (write_header): In generated code, #ifdef out
10330 all includes and fake declarations, except includes of bconfig.h
10331 and system.h, unless GCC_VERSION >= 3001. Do not include
10332 gensupport.h in any case.
10333 (write_conditions): Generate a definition of struct c_test. Add
10334 a comment to the generated #endif.
10335 (write_one_condition): Escape backslashes in string too.
10336 (write_writer): Generated code must escape backslashes and quote
10337 marks (but not newlines) in the strings it writes.
10338 * Makefile.in (build/gencondmd.o): Update dependencies.
10340 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10343 * Makefile.in (insn-automata.o): Add header file dependencies.
10344 * genautomata.c: Add includes.
10346 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10349 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10351 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10353 * configure.ac: Expect target tools paths to be passed from the toplevel
10354 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10356 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10358 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10361 * c.opt (Wpointer-sign): Init to -1.
10362 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10363 OPT_pedantic, to 0 otherwise.
10364 * doc/invoke.texi: Update.
10366 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10368 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10369 constants provided by 80387 instructions in the destination mode.
10371 2006-01-26 Richard Guenther <rguenther@suse.de>
10372 Andrew Pinski <pinskia@physics.uc.edu>
10375 partial PR tree-opt/17064
10376 * tree-ssa-structalias.c (intra_create_variable_infos):
10377 Create heap variables for incoming parameters if
10378 flag_argument_noalias > 1.
10379 (find_what_p_points_to): Look through default defs of
10382 2006-01-26 Jeff Law <law@redhat.com>
10385 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10386 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10387 within the VR_RANGE, use the VR_RANGE as the result, not the
10389 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10390 bounds for the type.
10392 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10394 * tree-ssa-alias.c (maybe_create_global_var): Change
10395 subvar walking to an assertion that we don't have subvar'd variables.
10397 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10400 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10401 Use a new variable, inner. PARM_DECLs are always non-weak.
10403 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10405 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10406 --disable-checking.
10408 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10410 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10412 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10414 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10415 (smax_insn, smin_insn, smax_0, smin_0): New.
10417 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10420 * config/cris/cris.c (cris_order_for_addsi3): New function.
10421 * config/cris/cris-protos.h: Prototype it.
10422 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10423 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10424 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10425 (split for "op.S1 [rx=rx+i],ry (swapped)")
10426 (split for "op(s|u).S1 [rx=rx+i],ry")
10427 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10428 Apply cris_order_for_addsi3 when generating addsi3 insns.
10430 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10432 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10433 (TREE_BLOCK): Add call to EXPR_CHECK.
10435 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10438 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10439 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10440 (dump_omp_clauses): ... here.
10441 (dump_generic_node): Handle OMP_CLAUSE.
10442 * tree.c (omp_clause_num_ops): New.
10443 (omp_clause_code_name): New.
10444 (tree_code_size): Handle OMP_CLAUSE.
10445 (tree_size): Likewise.
10446 (make_node): Document handling of OMP_CLAUSE.
10447 (tree_node_structure): Handle OMP_CLAUSE.
10448 (omp_clause_check_failed): New.
10449 (omp_clause_range_check_failed): New.
10450 (omp_clause_operand_check_failed): New.
10451 (build_omp_clause): New.
10452 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10453 * tree.h (enum omp_clause_code): Declare.
10454 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10455 (OMP_CLAUSE_RANGE_CHECK): Define.
10456 (OMP_CLAUSE_ELT_CHECK): Define.
10457 (omp_clause_check_failed): Declare.
10458 (omp_clause_operand_check_failed): Declare.
10459 (omp_clause_range_check_failed): Declare.
10460 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10461 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10462 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10463 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10464 (OMP_CLAUSE_IF_EXPR): Likewise.
10465 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10466 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10467 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10468 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10469 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10470 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10471 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10472 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10473 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10474 (OMP_CLAUSE_CODE): Define.
10475 (OMP_CLAUSE_SET_CODE): Define.
10476 (OMP_CLAUSE_CODE): Define.
10477 (OMP_CLAUSE_OPERAND): Define.
10478 (struct tree_omp_clause): Declare.
10479 (union tree_node): Add field 'omp_clause'.
10480 * treestruct.def (TS_OMP_CLAUSE): Define.
10481 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10482 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10483 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10484 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10485 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10486 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10487 (OMP_CLAUSE): Define.
10488 * print-tree.c (print_node): Handle OMP_CLAUSE.
10489 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10490 * c-typeck.c: Likewise.
10491 * gimplify.c: Likewise.
10492 * c-omp.c: Likewise.
10493 * tree-nested.c: Likewise.
10494 * tree-inline.c: Likewise.
10495 * c-parser.c: Likewise.
10496 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10499 2006-01-25 Roger Sayle <roger@eyesopen.com>
10501 PR rtl-optimization/25703
10502 * combine.c (try_combine): Handle zero_extract and strict_low_part
10503 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10505 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10507 * global.c: Fix comment typos.
10509 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10512 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10513 Use output_addr_const instead of assemble_name.
10515 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10517 * Makefile.in (sched-vis.o): Update dependencies.
10518 * haifa-sched.c (sched_finish): Clear current_sched_info.
10519 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10520 (dump_flow_info): Call it.
10521 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10523 * basic-block.h (dump_bb_info): Declare.
10524 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10525 option, and apply options only for dump files whose TDF_RTL,
10526 TDF_TREE, or TDF_IPA bits match.
10527 * rtl.h: Declare new functions exported from sched-vis.c.
10528 * sched-vis.c: Enable also if scheduling is not used.
10529 (print_value): Print the mode of registers if not inside scheduling.
10530 (print_insn): Make it work outside the scheduler. Beautify the output
10532 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10534 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10536 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10537 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10538 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10539 depending on the value of CONSTANT_POOL_ADDRESS_P.
10540 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10542 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10543 rather than SYMBOL_REF_DECL.
10544 (rtx_constant_pool): Remove const_rtx_sym_htab.
10545 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10546 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10547 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10548 Remove handling of const_rtx_sym_htab.
10549 (find_pool_constant): Delete.
10550 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10551 rather than find_pool_constant.
10552 (get_pool_constant_for_function): Delete.
10553 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10554 find_pool_constant.
10555 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10556 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10557 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10558 (SYMBOL_REF_CONSTANT): New macro.
10559 (get_pool_constant_for_function): Delete.
10560 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10561 rather than SYMBOL_REF_DECL.
10562 (i386_pe_mark_dllimport): Likewise.
10563 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10564 rather than SYMBOL_REF_DECL.
10565 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10566 (machopic_indirect_call_target): Likewise.
10568 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10570 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10572 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10574 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10576 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10578 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10580 2006-01-24 David Daney <ddaney@avtrex.com>
10583 * configure.ac (enable_tls): New enable option.
10584 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10585 * configure: Regenerate.
10586 * doc/install.texi (--enable-tls): Document new option.
10587 (--disable-tls): Ditto.
10589 2006-01-24 Richard Henderson <rth@redehat.com>
10591 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10592 * alias.c (true_dependence): Respect it.
10593 (canon_true_dependence, write_dependence_p): Likewise.
10594 * builtins.c (get_builtin_sync_mem): Set it.
10596 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10598 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10601 2006-01-24 DJ Delorie <dj@redhat.com>
10603 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10604 for storing constants in single-bit bitfields.
10606 2006-01-25 Ben Elliston <bje@au.ibm.com>
10608 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10610 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10613 * tree-ssa-pre.c (phi_translate): Return NULL
10614 for AGGREGATE_TYPE's.
10616 2006-01-24 Zack Weinberg <zackw@panix.com>
10618 * genautomata.c (process_state_for_insn_equiv_partition):
10619 Use xcalloc for insn_arcs_array.
10620 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10621 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10623 2006-01-24 Richard Henderson <rth@redhat.com>
10625 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10626 update all callers.
10628 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10630 PR rtl-optimization/25890
10631 PR rtl-optimization/25905
10632 * combine.c (expand_compound_operation, expand_field_assignment):
10633 Fail if the bitfield's final position is out of bounds.
10635 2006-01-24 Ian Lance Taylor <ian@airs.com>
10637 PR middle-end/25930
10638 * cgraphunit.c (cgraph_output_in_order): Don't clear
10639 cgraph_asm_nodes until after asm strings have been output.
10641 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10643 * fix-header.c (read_scan_file): Add new parameter imultilib when
10644 calling register_include_chains.
10646 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10648 * omp-low.c: Update documentation.
10650 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10651 Daniel Berlin <dberlin@dberlin.org>
10655 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10656 return from the function.
10658 2006-01-22 Zack Weinberg <zackw@panix.com>
10660 * rtl.def (match_code): Add second argument.
10661 * genpreds.c (write_extract_subexp): New function.
10662 (write_match_code): Add path argument. Use write_extract_subexp.
10663 (write_predicate_expr): Pass path to write_match_code.
10664 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10665 not perform a mode test.
10666 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10667 a subexpression does not constrain the top-level code set.
10668 * read-rtl.c (read_rtx_variadic): New function.
10669 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10670 * doc/md.texi: Document new notation.
10671 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10672 (cmpsi_operand): ... here, using new notation.
10674 2006-01-22 Zack Weinberg <zackw@panix.com>
10676 * varray.c: Remove GENERATOR_FILE #ifdefs.
10678 2006-01-22 Zack Weinberg <zackw@panix.com>
10680 * genautomata.c (output_reserved_units_table): Emit nothing if
10681 description->query_units_num is zero. Remove extra blank line.
10682 (output_cpu_unit_reservation_p): Short circuit
10683 if description->query_units_num is zero.
10685 2006-01-22 Zack Weinberg <zackw@panix.com>
10687 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10688 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10689 nor any of the random handful of variables that used to be necessary
10690 when this program was linked with rtlanal.o. Prune set of forward
10691 function declarations.
10692 (struct attr_desc): Remove static_p field.
10693 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10694 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10695 (attr_string): Do not read the character one past the length of
10697 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10698 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10699 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10700 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10701 (make_automaton_attrs): New.
10702 (main): Do not call into genautomata. Call local gen_bypass
10703 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10704 Remove special case for insn_alts.
10705 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10706 varray.h (leftover from previous change). Prune set of forward
10707 function declarations. Remove state_alts fields from all
10708 structures. Remove state_alts_table from struct automaton.
10709 Make everything except main static. Do not maintain num_dfa_decls.
10710 Do not maintain state_alts fields of various structures.
10711 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10712 (add_arc): Remove state_alts argument. All callers updated.
10713 (output_reserved_units_table): Emit #ifdef here...
10714 (output_tables): ...not here. Don't generate state_alts tables.
10715 (expand_automata): Don't generate attributes.
10716 (write_automata): Don't generate state_alts functions.
10717 (main): New function.
10718 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10719 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10720 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10721 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10722 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10723 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10724 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10725 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10727 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10728 * genattrtab.h: Delete file.
10729 * Makefile.in (OBJS-common): Add insn-automata.o.
10730 (insn-automata.o): New rule.
10731 (simple_generated_c): Add insn-automata.c.
10732 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10733 (genprogmd): Add automata.
10734 (build/genattrtab): Needs no extra objects nor libraries.
10735 (build/genautomata): Needs build/vec.o and -lm.
10737 2006-01-22 Zack Weinberg <zackw@panix.com>
10739 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10740 (output_dfa_max_issue_rate, locked_states_num): Delete.
10741 (struct automaton): Add locked_states field.
10742 (output_dead_lock_vect): Save number of locked states in
10743 automaton->locked_states. If it is zero, don't print anything.
10744 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10745 (output_internal_dead_lock_func): Only test the dead_lock_vect
10746 for automata that have locked states.
10747 (output_statistics): Always print the number of locked states for
10748 each automaton. Calculate total number of locked states here.
10749 (write_automata): Don't call output_dfa_max_issue_rate.
10750 * genattrtab.c: Define length_unit_log as a const variable.
10751 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10752 max_insn_queue_index const.
10753 * final.c (length_unit_log): Declare const.
10754 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10756 2006-01-22 Zack Weinberg <zackw@panix.com>
10758 * genautomata.c: Include vec.h, not varray.h.
10759 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10760 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10761 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10762 VEC_* macros operating on appropriately typed vectors, or to
10763 malloced arrays when the size is known in advance. Const-ify
10764 many char* variables and function arguments. No functional changes.
10765 * Makefile.in (build/varray.o): Delete rule.
10766 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10767 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10769 2006-01-22 Zack Weinberg <zackw@panix.com>
10771 * gensupport.c: Define get_insn_name and record_insn_name here.
10772 (read_md_rtx): Call record_insn_name as appropriate.
10773 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10774 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10775 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10777 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10778 (BUILD_VARRAY): Delete.
10779 (genprognormal): Rename genprogmd. Fold in all programs from
10780 genprognoprint; also attrtab.
10781 (build/genattrtab): Just mention genautomata.o and varray.o.
10782 Reorganize a bit, add comments to make the categories clearer.
10784 2006-01-22 Zack Weinberg <zackw@panix.com>
10786 * genconditions.c (condition_table, add_condition): Delete.
10787 (write_conditions): Don't emit n_insn_conditions nor
10788 insn_elision_unavailable. Issue the gcc version #ifdef here,
10789 inside the table, with no #else clause ...
10790 (write_header): ...not here.
10791 (write_writer): New function.
10792 (main): Don't initialize condition_table. Use add_c_test.
10794 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10795 files on the command line.
10796 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10797 Return -1 if there is no entry in the table, don't abort.
10798 (add_c_test, traverse_c_tests): New functions.
10799 * gensupport.h (insn_elision_unavailable, insn_conditions)
10800 (n_insn_conditions): Delete declarations.
10801 (add_c_test, traverse_c_tests): Declare.
10802 * read-rtl.c: Include gensupport.h.
10803 (read_conditions): New function.
10804 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10805 (read_rtx_1): If we get EOF when we were looking for an initial
10806 open paren, return 0. Call read_conditions when appropriate.
10807 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10808 dummy-conditions.o. Eliminate references to insn-conditions.o,
10809 or change them to build/gencondmd.o, as appropriate. Remove
10810 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10811 from $(simple_generated_c). For all files remaining in those
10812 two lists, add insn-conditions.md to the generator command line.
10813 Give insn-constants.h/s-constants their own rules. Add rules
10814 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10815 (build/read-rtl.o): Depend on gensupport.h.
10816 (genprognormal): Include preds.
10817 (genprogearly): Rename genprognoprint; only difference is now that
10818 they don't link with $(BUILD_PRINT).
10819 * dummy-conditions.c: Delete.
10821 2006-01-22 Zack Weinberg <zackw@panix.com>
10823 * genextract.c: Don't include insn-config.h. Do include vec.h.
10824 Declare vectors of int, char, and locstr.
10825 (locstr): New typedef.
10826 (struct extraction): Make all array fields into bare pointers.
10827 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10828 (insn_code_number): Delete.
10829 (accum_extract): New struct.
10830 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10831 (gen_insn): Take insn_code_number as an argument. Use an
10832 accum_extract structure instead of loading data directly into
10833 a struct extraction, and having to know how big it might get.
10834 (walk_rtx): Operate entirely on an accum_extract structure.
10835 (print_path): Avoid unnecessary use of printf.
10836 (print_header): New function, split out of main. Distinguish
10837 more carefully between an unrecognizable insn and an insn that
10838 has the code number of a define_expand.
10839 (main): Pass insn_code_number to gen_insn. Call print_header
10840 only after parsing. Avoid unnecessary use of printf.
10841 * Makefile.in (build/vec.o): New rule.
10842 (build/genextract): Depend on build/vec.o.
10843 (build/genextract.o): Don't depend on insn-config.h.
10845 2006-01-22 Zack Weinberg <zackw@panix.com>
10847 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10848 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10849 practical. Eliminate per-generator-program link rules.
10851 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10853 PR middle-end/24437
10854 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10855 with a call expr to ...
10856 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10858 2006-01-23 Richard Guenther <rguenther@suse.de>
10860 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10861 before make_edge with conditional EDGE_TRUE_VALUE.
10863 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10864 Jan Hubicka <jh@suse.cz>
10865 Richard Guenther <rguenther@suse.de>
10867 PR rtl-optimization/25654
10868 * cfgexpand.c (aggregate_contains_union_type): New function.
10869 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10870 for structure variables that contain a union type.
10872 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10874 * gengtype.c (new_structure): Return the structure.
10875 (create_option): Add an extra "next" argument.
10876 (create_field): New function.
10877 (adjust_field_rtx_def): Use create_option and create_field.
10878 Remove a now-unnecessary call to find_structure.
10879 (adjust_field_tree_def): Likewise.
10880 (note_yacc_type): Remove an unnecessary call to find_structure.
10881 * gengtype.h (new_structure): Return the structure.
10882 (create_option): Add an extra argument.
10883 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10884 (option): Adjust calls to create_option.
10886 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10888 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10890 2006-01-22 Paul Brook <paul@codesourcery.com>
10891 Peter Barada <peter@the-baradas.com>
10893 * config/m68k/m68k.md: Add Coldfire FPU support.
10894 Define FP mode macro and associated attributes.
10895 Use it for float mode patterns.
10896 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10897 (LIBCALL_VALUE): Use m68k_libcall_value.
10898 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10899 (m68k_function_value): Ditto.
10900 (emit_move_sequence): Ditto.
10901 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10902 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10903 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10904 (MULTILIB_EXCEPTIONS): Ditto.
10905 * config/m68k/m68k.opt: Add mcfv4e.
10906 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10907 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10908 (m68k_output_function_prologue): Save ColdFire FPU registers.
10909 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10910 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10911 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10912 ColdFire FPU registers.
10913 (m68k_libcall_value, m68k_function_value): New functions.
10914 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10915 (LIBCALL_VALUE): Use m68k_libcall_value.
10916 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10917 (MASK_COLDFIRE): Add MASK_CFV4E.
10918 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10919 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10920 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10921 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10922 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10923 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10924 * doc/invoke.tex: Document -mcfv4e on m68k.
10926 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10928 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10931 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10934 * c-opts.c (c_common_handle_option): Don't include
10935 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10936 * doc/invoke.texi (C++ Dialect Options): Document that
10937 -Wnon-virtual-dtor is no longer included in -Wall.
10939 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10941 * gcov.c (print_version), gcov-dump.c (print_version),
10942 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10945 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10947 * df-scan.c (problem_SCAN): Added NULL reset function.
10948 (df_scan_reset_blocks): Added code to call reset block function
10949 (df_bb_refs_delete) Fixed comment.
10950 (df_insn_refs_delete): Made tolerant of deleting non existent info
10951 for dataflow problems that need to be reset.
10952 * df-core.c (df_set_blocks): Ditto.
10953 * df.h (struct df_problem): Added reset_fun.
10954 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10955 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10956 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10957 functions to clear out all references to def-use or use-def chains.
10959 2006-01-21 Ben Elliston <bje@au.ibm.com>
10961 * varasm.c (assemble_real): Initialise data array.
10963 2006-01-20 Paul Brook <paul@codesourcery.com>
10965 Merge from csl-arm-branch.
10966 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10967 * config/arm/arm.md (movdi): Force operands[1] to a register
10968 if we have a non-register source.
10969 (*arm_movdi, *movdf_soft_insn): Require that one of the
10970 operands be a register.
10971 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10972 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10974 2006-01-20 DJ Delorie <dj@redhat.com>
10976 * varasm.c (initializer_constant_valid_p): Allow pointers
10977 initialized from integer constants of lesser precision.
10978 (output_constant): Allow non-int-sized pointer modes to be
10979 initialized from integer constants.
10981 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10984 * cppdefault.h (struct default_include): Add multilib flag.
10985 * cppdefault.c (cpp_include_defaults): Set it.
10986 * c.opt (-imultilib): New option.
10987 * c-opts.c (imultilib): New.
10988 (c_common_handle_option): Handle -imultilib.
10989 (c_common_post_options): Likewise.
10990 * c-incpath.c (add_standard_paths, register_include_chains):
10992 * c-incpath.h (register_include_chains): Add extra parameter.
10993 * gcc.c (do_spec_1): Generate -imultilib option.
10994 (The Specs Language): Update %I description.
10995 (process_command): Update copyright notice.
10996 * doc/cppopts.texi (-imultilib): Document.
10997 * doc/invoke.texi (-imultilib): Include in option summary.
10998 (%I): Update specs documentation.
11000 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11002 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11004 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11006 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11009 2006-01-20 Richard Guenther <rguenther@suse.de>
11010 Steven Bosscher <stevenb.gcc@gmail.com>
11012 PR rtl-optimization/24626
11013 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11014 EDGE_TRUE_VALUE if in RTL mode.
11017 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11018 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11020 2006-01-20 Dirk Mueller <dmueller@suse.com>
11023 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11024 instead of a special NOP marker.
11025 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11026 NOP marker handling.
11027 * c-common.h (empty_body_warning): Add forward declaration.
11028 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11029 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11031 2006-01-20 Paul Brook <paul@codesourcery.com>
11033 * Makefile.in (lang_checks): Keep going if mkdir fails.
11035 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11037 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11038 be able to clean out basic block when not necessary.
11039 (df_scan_free): Fixed to properly delete information if df is
11040 unused before calling df_finish.
11041 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11042 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11044 (df_bb_refs_delete): New function.
11045 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11046 * df-core.c (df_set_blocks): Added code to properly clean out
11047 unused blocks if they are not part of the blocks to consider.
11048 Added additional null check.
11049 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11050 be able to clean out basic block when not necessary
11051 * df.h (df_free_bb_function): Ditto.
11052 (df_bb_refs_delete): New function.
11053 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11054 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11055 basic block parameter to be able to clean out basic block when not
11057 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11058 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11059 Fixed to properly delete information if df is unused before
11062 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11064 PR rtl-optimization/25799
11065 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11066 Corrected confluence operator to remove bits from op2 before oring
11067 with op1 rather than removing bits from op1.
11068 (df_ru_transfer_function): Corrected test on wrong bitmap which
11069 caused infinite loop. Both of these problems were introduced in
11070 the dataflow rewrite.
11072 2006-01-19 DJ Delorie <dj@redhat.com>
11074 * reload1.c (find_reload_regs): Note the details of reload
11075 failures in the dump file.
11076 (spill_failure): Likewise.
11078 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11080 * loop-iv.c: Include df.h and hashtab.h.
11081 (enum iv_grd_result): New enum.
11082 (DF_REF_IV, DF_REF_IV_SET): New macros.
11083 (struct biv_entry): New.
11084 (df, bivs): New global variables.
11085 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11086 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11088 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11089 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11090 analyzed_for_bivness_p, record_biv): New functions.
11091 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11092 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11093 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11095 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11097 (iv_number_of_iterations): Use new interface to iv analysis.
11098 * loop-unroll.c: Do not include varray.h.
11099 (analyze_iv_to_split_insn): Use new interface to iv
11101 * loop-unswitch.c (may_unswitch_on): Ditto.
11102 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11104 (df_bb_modify): Realloc tables to the new index.
11105 (df_find_use): New function.
11106 * df.h (df_find_use): Declare.
11107 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11109 * cfgloop.h (struct rtx_iv): Remove analysed field.
11110 (iv_get_reaching_def): Removed.
11111 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11112 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11113 (loop-iv.o): Add df.h and hashtab.h dependency.
11114 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11116 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11119 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11121 (__floatundisf, __floatundidf): Likewise.
11122 * libgcc2.h (IS_IBM_EXTENDED): Define.
11124 2006-01-19 DJ Delorie <dj@redhat.com>
11126 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11128 2006-01-19 Paul Brook <paul@codesourcery.com>
11130 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11131 as nothrow when unwinding tables are disabled.
11133 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11136 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11137 of bit-field" when in system header.
11139 2006-01-19 DJ Delorie <dj@redhat.com>
11141 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11142 the 16 bit shift limit of the m16c.
11144 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11147 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11148 * config/i386/i386.c (output_set_got): Output the label if we have one
11149 for the TARGET_DEEP_BRANCH_PREDICTION case.
11151 2006-01-19 Jan Hubicka <jh@suse.cz>
11152 H.J. Lu <hongjiu.lu@intel.com>
11153 Evandro Menezes <evandro.menezes@amd.com>
11155 * invoke.texi (generic): Document
11157 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11158 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11159 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11160 (x86_use_incdec, x86_pad_returns): New variables
11161 (TARGET_CPU_DEFAULT_generic): New constant
11162 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11163 (enum processor_type): Add generic32 and generic64.
11164 * i386.md (cpu attribute): Add generic32/generic64
11165 (movhi splitter): Behave sanely when both partial_reg_dependency and
11166 partial_reg_stall are set.
11167 (K8 splitters): Enable for generic as well.
11168 * predicates.md (incdec_operand): Use TARGET_INCDEC
11169 (aligned_operand): Avoid memory mismatch stalls.
11170 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11171 * ppro.md: Enable for generic32
11172 * i386.c (generic64_cost, generic32_cost): New.
11173 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11174 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11175 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11176 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11177 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11178 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11179 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11180 x86_accumulate_outgoing_args, x86_prologue_using_move,
11181 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11182 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11183 Enable for generic.
11184 (x86_use_incdec, x86_pad_returns): New.
11185 (override_options): Add generic32 and generic64, translate "generic"
11186 to generic32/generic64 and "i686" to "generic32", refuse
11187 "generic32"/"generic64" as arch target.
11188 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11189 (ix86_reorg): Honor PAD_RETURNS.
11191 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11193 * tree-pretty-print.c (dump_generic_node): Handle
11194 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11195 * cgraph.c (cgraph_expand_queue): Rename from
11196 cgraph_analyze_queue. Update all users.
11197 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11198 cgraph_expand_queue.
11199 (cgraph_expand_all_functions): Likewise.
11200 (cgraph_finalize_pending_functions): Remove. Update callers.
11202 * tree.h (OMP_DIRECTIVE_P): Define.
11203 (OMP_PARALLEL_FN): Define.
11204 (OMP_PARALLEL_DATA_ARG): Define.
11205 (OMP_SECTIONS_SECTIONS): Define.
11206 * tree-pass.h (pass_expand_omp): Declare.
11207 * omp-low.c (struct omp_region): Declare.
11208 (struct omp_context): Remove fields 'parallel_type',
11209 'parallel_start_ix' and 'parallel_start_additional_args'.
11211 (struct omp_for_data): Rename from struct expand_omp_for_data.
11212 (omp_regions): New static variable.
11213 (root_omp_region): New static variable.
11214 (find_omp_clause): Make static.
11215 (is_in_combined_parallel_ctx): Remove.
11216 (is_combined_parallel): New.
11217 (extract_omp_for_data): Move earlier in the file.
11218 (workshare_safe_to_combine_p): New.
11219 (get_ws_args_for): New.
11220 (determine_parallel_type): Move earlier in the file.
11221 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11223 (omp_copy_decl): Likewise.
11224 (create_omp_child_function): Likewise.
11225 (lookup_omp_region): New.
11226 (dump_omp_region): New.
11227 (debug_omp_region): New.
11228 (debug_all_omp_regions): New.
11229 (new_omp_region): New.
11230 (scan_omp_parallel): If parallel_nesting_level > 1, the
11231 directive is nested within another parallel directive.
11232 Set OMP_PARALLEL_FN.
11233 (scan_omp_for): Do not try to handle combined parallel+for
11235 Remove FIXME comment.
11236 (scan_omp_nested): Remove.
11237 (scan_omp_1): Do not call scan_omp_nested when
11238 parallel_nesting_level is > 1.
11239 Do not change the DECL_CONTEXT of local variables found.
11240 (lookup_decl_in_outer_ctx): New.
11241 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11242 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11243 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11244 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11245 If CTX is nested, lookup VAR in the outer context when
11246 building copy assignment.
11247 (lower_send_clauses): Rename from expand_send_clauses.
11248 If CTX is nested, lookup VAR in the outer context when
11249 building copy assignments.
11250 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11251 If CTX is nested, lookup VAR in the outer context when
11252 building copy assignments.
11253 (expand_parallel_call): Rename from build_parallel_call.
11254 Handle combined parallel+workshare cases.
11255 Re-implement to emit code into the CFG.
11257 (expand_omp_parallel): Re-implement to emit code into the CFG.
11258 Call move_sese_region_to_fn to outline the sub-graph
11259 containing the parallel region.
11260 (expand_omp_for_1): Remove.
11261 (expand_omp_for_generic): Re-implement to emit code into the
11263 (expand_omp_for_static_nochunk): Likewise.
11264 (expand_omp_for_static_chunk): Likewise.
11265 (expand_omp_for): Likewise.
11266 (expand_omp_sections): Likewise.
11267 (remove_exit_barriers): New.
11268 (expand_omp_synch): New.
11270 (build_omp_regions_1): New.
11271 (build_omp_regions): New.
11272 (execute_expand_omp): New.
11273 (gate_expand_omp): New.
11274 (pass_expand_omp): Define.
11275 (lower_omp_sections): Rename from expand_omp_sections.
11276 Set OMP_SECTIONS_SECTIONS.
11277 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11278 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11279 (lower_omp_single): Rename from expand_omp_simple.
11280 (lower_omp_master): Rename from expand_omp_master.
11281 (lower_omp_ordered): Rename from expand_omp_ordered.
11282 (lower_omp_critical): Rename from expand_omp_critical.
11283 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11284 (lower_omp_for): Re-implement.
11285 (lower_omp_parallel): Re-implement.
11286 (lower_regimplify): Rename from expand_regimplify.
11287 (lower_omp_1): Rename from expand_omp_1.
11288 If there are syntax errors in the program, replace every
11289 OpenMP directive with NOP.
11290 Call lower_omp_* instead of expand_omp_*.
11291 (lower_omp): Rename from expand_omp.
11293 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11294 * tree-gimple.h (enum omp_parallel_type): Remove.
11295 (gimple_boolify): Declare extern.
11296 (find_omp_clause, determine_parallel_type): Remove.
11298 * gimple-low.c (lower_omp_directive): New.
11299 (lower_stmt): Call it.
11300 (record_vars_into): Move from ...
11301 (record_vars): ... here.
11302 Call record_vars_into with current_function_decl.
11304 * gimplify.c (struct gimplify_ctx): Remove fields
11305 combined_pre_p and combined_ctxp. Update users.
11306 (get_formal_tmp_var): Add documentation.
11307 (gimple_boolify): Make extern.
11308 (gimplify_expr_in_ctx): Remove. Update callers.
11309 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11310 will always be a BIND_EXPR.
11311 (gimplify_expr): Handle OMP_RETURN_EXPR.
11312 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11313 (OMP_PARALLEL): Add 3 operands.
11314 (OMP_SECTIONS): Add 1 operand.
11315 (OMP_RETURN_EXPR): Define.
11317 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11318 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11319 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11320 creating a circular free list.
11321 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11323 * tree-flow.h (move_sese_region_to_fn): Declare.
11324 (record_vars_into): Declare.
11325 * tree-cfg.c (make_omp_sections_edges): New.
11326 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11327 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11328 OMP_SECTIONS and OMP_SECTION.
11329 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11330 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11331 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11332 (gather_blocks_in_sese_region): New.
11333 (struct move_stmt_d): Declare.
11334 (move_stmt_r): New.
11335 (move_block_to_fn): New.
11336 (move_sese_region_to_fn): New.
11338 * passes.c (init_optimization_passes): Schedule
11339 pass_expand_omp after pass_init_datastructures.
11341 * tree-ssa-operands.c (get_expr_operands): Handle
11342 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11343 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11345 2006-01-19 Jeff Law <law@redhat.com>
11347 * tree-vrp.c (extract_range_from_assert): Refine the result range
11348 if the variable referenced by the ASSERT_EXPR has a range and
11349 either the tentative result range or the previous range is a
11352 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11354 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11356 2006-01-19 Jan Hubicka <jh@suse.cz>
11358 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11360 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11362 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11363 (expand_compound_operation, expand_field_assignment): Fail if the
11364 bit lengths of an extract operation are out of range.
11365 (make_extraction): Compute wanted_inner_mode based on the position
11366 and length of the extraction. Make it extraction_mode for non-constant
11367 positions, and do not modify offset in that case. When generating a
11368 new MEM, use a mode that can hold the extraction while keeping correct
11369 alignment. Remove code that supported MEMs wrapped by USEs.
11370 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11372 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11374 * config/s390/s390.md ("Y", "y"): New mode attribute.
11375 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11376 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11377 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11378 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11379 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11380 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11381 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11382 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11383 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11384 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11385 "addsi3", "subsi3"): Insn patterns removed.
11386 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11387 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11388 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11389 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11390 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11391 "*sub<mode>3_cconly2"): New insn patterns.
11392 ("addsi3", "subsi3"): New expanders.
11394 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11396 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11397 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11398 existing STMT_VINFO_VECTYPE if available.
11399 (vect_mark_relevant): Add special handling for stmts that are
11400 marked as STMT_VINFO_IN_PATTERN_P.
11401 (vect_analyze_loop): Call vect_pattern_recog.
11402 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11403 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11405 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11406 (vect_recog_func_ptr): New function-pointer type.
11407 * tree-vect-patterns.c: New file.
11408 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11409 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11410 (vect_pattern_recog_1): New functions.
11411 (vect_pattern_recog_funcs): New array of function pointers.
11413 * tree-vectorizer.h (ternary_op): New enum value.
11414 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11415 declaration. Revised documentation. Removed redundant dump prints.
11416 Removed redundant argument. Added support for reduction patterns.
11417 (vectorizable_reduction): Added support for reduction patterns.
11418 (vect_transform_stmt): Added support for patterns.
11420 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11421 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11422 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11423 (expand_widen_pattern_expr): New function.
11424 (init_optabs): Initialize new optabs udot_prod_optab,
11426 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11427 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11428 (expand_widen_pattern_expr): New function declaration.
11429 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11431 * tree-inline.c (estimate_num_insns_1): Added cases for new
11432 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11433 * tree-pretty-print.c (dump_generic_node): Likewise.
11434 (op_prio): Likewise.
11435 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11436 * tree-ssa-operands.c (get_expr_operands): Added case for
11438 * tree-vect-patterns.c (widened_name_p): New function.
11439 (vect_recog_dot_prod_pattern): Added function implementation.
11440 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11441 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11442 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11443 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11445 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11446 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11447 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11448 (init_optabs): Initialize new optabs widen_ssum_optab,
11450 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11451 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11452 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11453 use instead of type of def.
11454 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11455 function implementation.
11456 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11457 widen_ssumv8hi): New.
11459 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11462 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11465 * c-decl.c (add_flexible_array_elts_to_size): New function.
11466 (finish_decl): Use it.
11468 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11470 * diagnostic.h: Include options.h.
11471 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11472 dependancies for diagnostic.h.
11473 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11475 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11477 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11478 (ssa_ro_call_cache_valid): Ditto.
11479 * tree-ssa-alias.c (sort_tags_by_id): New function.
11480 (init_transitive_clobber_worklist): Ditto.
11481 (add_to_worklist): Ditto.
11482 (mark_aliases_call_clobbered): Ditto.
11483 (compute_tag_properties): Ditto.
11484 (set_initial_properties): Ditto.
11485 (compute_call_clobbered): Ditto.
11486 (compute_may_aliases): Call compute_call_clobbered and grouping.
11487 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11488 (compute_flow_insensitive_aliasing): Grouping now happens in our
11490 (setup_pointers_and_addressables): Remove clobbering related code.
11491 (add_may_alias): Ditto.
11492 (replace_may_alias): Ditto.
11493 (get_nmt_for): Ditto.
11494 (create_global_var):
11495 (is_escape_site): Return an escape_type enumeration.
11496 * tree-flow-inline.h (is_call_clobbered): Global var does not
11497 imply call clobbered.
11498 (mark_call_clobbered): Take a reason for marking this. Remove
11499 marking of globalness, and cache invalidation.
11500 (clear_call_clobbered): Remove cache invalidation code.
11501 * tree-dfa.c (dump_variable): If details is on, dump the reason
11503 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11505 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11506 (struct var_ann_d): Ditto.
11507 (enum escape_type): New.
11508 (mark_call_clobbered): Adjust prototype.
11509 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11510 are never call clobbered.
11511 Record reasons for escaping.
11512 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11513 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11514 (ssa_ro_call_cache_valid): Ditto.
11515 (clobbered_v_may_defs): Ditto.
11516 (clobbered_vuses): Ditto.
11517 (ro_call_vuses): Ditto.
11518 (clobber_stats): New.
11519 (init_ssa_operands): Zero out clobber stats.
11520 (fini_ssa_operands): Print out clobber stats.
11521 (get_call_expr_operands): Pass callee fndecl to
11522 add_call_read_ops).
11523 (add_call_clobber_ops): Remove use of cache.
11524 Add use of PURE_CONST information.
11525 (add_call_read_ops): Remove use of cache.
11526 Add use of static not_read information.
11528 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11530 Introduce TLS descriptors for i386 and x86_64.
11531 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11532 (TARGET_ANY_GNU_TLS): New macro.
11533 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11534 (struct machine_function): Add tls_descriptor_call_expanded_p.
11535 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11536 (ix86_current_function_calls_tls_descriptor): Likewise.
11537 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11538 (override_options): Introduce gnu2 tls dialect.
11539 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11541 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11543 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11544 (ix86_init_machine_status): Initialize new field.
11545 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11546 (ix86_tls_module_base): New.
11547 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11548 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11549 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11550 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11551 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11552 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11553 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11554 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11555 * config/i386/predicates.md (tls_modbase_operand): New.
11556 (tp_or_register_operand): New.
11558 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11560 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11561 (look_for_address_of): Ditto.
11562 (ipa_init): Walk the function decls.
11563 (static_execute): Don't set readonly on FUNCTION_DECL's.
11565 2006-01-18 Roger Sayle <roger@eyesopen.com>
11567 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11568 for shifts where the source and destination registers are different.
11570 2006-01-18 Paul Brook <paul@codesourcery.com>
11572 Merge from csl-arm-branch.
11573 2005-03-14 Julian Brown <julian@codesourcery.com>
11574 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11575 (aeabi_llsl): Likewise.
11576 (ashrdi3): Likewise.
11577 (aeabi_lasr): Likewise.
11578 (lshrdi3): Likewise.
11579 (aeabi_llsr): Likewise.
11580 2005-03-10 Julian Brown <julian@codesourcery.com>
11581 * config.gcc: Disable shared libgcc for SymbianOS.
11582 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11584 2006-01-18 DJ Delorie <dj@redhat.com>
11586 * c-pragma.c (handle_pragma_diagnostic): New.
11587 (init_pragma): Register it.
11588 * doc/extend.texi: Document it.
11590 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11591 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11592 (diagnostic_context): Add classify_diagnostic[].
11593 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11594 as errors if they're overridden to DK_WARNING.
11595 (diagnostic_initialize): Initialize classify_diagnostic[].
11596 (diagnostic_set_kind_override): New.
11597 (diagnostic_report_diagnostic): Check for kind changes.
11598 * opts.c (common_handle_option): Take lang_mask. Update callers.
11599 Handle OPT_Werror_.
11600 * common.opt (Werror=): New.
11601 * doc/invoke.texi: Document -Werror=*
11603 2006-01-18 Jeff Law <law@redhat.com>
11605 * tree-vrp.c (test_for_singularity): Correct test for new
11606 min limit. Use operand_equal_p rather than pointer equality
11607 for testing if new min/max values are equal.
11609 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11610 using range information until after propagation and folding.
11612 2006-01-18 Richard Henderson <rth@redhat.com>
11613 Aldy Hernandez <aldyh@redhat.com>
11614 Jakub Jelinek <jakub@redhat.com>
11615 Diego Novillo <dnovillo@redhat.com>
11617 * omp-low.c: New file.
11618 * c-omp.c: New file.
11620 2006-01-18 Richard Henderson <rth@redhat.com>
11621 Jakub Jelinek <jakub@redhat.com>
11622 Diego Novillo <dnovillo@redhat.com>
11624 * doc/invoke.texi: Document -fopenmp.
11625 * tree-dump.h (debug_function): Declare.
11626 * hooks.c (hook_bool_tree_bool_false): New function.
11627 (hook_tree_tree_null): Remove.
11628 (hook_tree_tree_tree_null): New.
11629 * hooks.h: Update to match.
11630 * tree-pretty-print.c (debug_tree_chain): New.
11631 (print_generic_expr): Handle TDF_CHAIN.
11632 (dump_generic_node): Handle BLOCK.
11633 Do not abort with incomplete SWITCH_EXPRs.
11634 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11635 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11636 print space after directive name.
11637 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11638 Handle OMP_MASTER and OMP_ORDERED.
11639 Handle printing of OMP_BODY just in one place, goto
11640 dump_omp_body in the rest of OMP_* nodes that have
11642 Don't handle clause nodes here. Update omp statements to
11643 use dump_omp_clauses.
11644 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11645 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11646 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11647 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11648 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11649 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11650 Adjust output for GOMP_PARALLEL.
11651 (dump_omp_clauses): New.
11652 (print_declaration): Dump DECL_VALUE_EXPR.
11653 (op_symbol_1): Split out of op_symbol.
11654 (dumping_stmts): Remove. Update all users.
11655 * cgraph.c (cgraph_analyze_queue): New.
11656 (cgraph_add_new_function): New.
11657 * cgraph.h (cgraph_analyze_queue): Declare.
11658 (cgraph_add_new_function): Declare.
11659 (cgraph_lower_function): Remove.
11660 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11661 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11662 and TYPE_P nodes in its default clause.
11663 (empty_body_p): New.
11664 (tree_range_check_failed): New.
11665 (build5_stat): New.
11666 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11667 OMP_CLAUSE_REDUCTION_MERGE,
11668 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11669 OMP_CLAUSE_PRIVATE_DEBUG,
11670 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11671 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11672 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11673 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11674 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11675 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11676 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11677 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11678 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11679 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11680 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11681 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11682 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11683 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11684 (TREE_RANGE_CHECK): New.
11685 (empty_body_p): Declare.
11686 (enum omp_clause_default_kind): New.
11687 (build_string_literal): Declare.
11688 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11689 (build5_stat, build5): Declare.
11690 * tree-pass.h (TDF_CHAIN): Define.
11691 * tree-pass.h (PROP_gimple_lomp): Define.
11692 (pass_lower_omp): Declare.
11693 * diagnostic.h (debug_tree_chain): Declare.
11694 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11696 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11697 * builtins.c (build_string_literal): Make extern.
11698 * gcc.c (include_spec_function): New.
11699 (static_spec_functions): Add it.
11700 (main): Move load of libgomp.spec ...
11701 (LINK_COMMAND_SPEC): ... here.
11702 (link_gomp_spec): New.
11703 (static_specs): Include it.
11704 (LINK_COMMAND_SPEC): Add link_gomp.
11705 (GOMP_SELF_SPECS): New.
11706 (driver_self_specs): Include it.
11707 (switch_matches): Don't mark inline.
11708 (main): Load libgomp.spec.
11709 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11710 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11711 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11712 * tree-gimple.h (enum omp_parallel): Declare.
11713 (determine_parallel_type): Declare.
11714 (omp_firstprivatize_variable): Declare.
11715 (omp_reduction_init): Declare.
11716 (diagnose_omp_structured_block_errors): Declare.
11717 (struct walk_stmt_info): Add want_return_expr.
11718 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11719 (find_omp_clause): Declare.
11720 (insert_field_into_struct): Declare.
11721 (struct walk_stmt_info): Move from tree-nested.c
11722 (walk_stmts): Declare.
11723 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11725 * cgraphunit.c (cgraph_lower_function): Make static.
11726 (cgraph_finalize_pending_functions): New.
11727 (cgraph_finalize_function): Call it.
11728 (cgraph_finalize_compilation_unit): Likewise.
11729 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11730 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11731 (BT_FN_UINT_UINT): New.
11732 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11733 DEF_FUNCTION_TYPE_VAR_4): Document.
11734 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11735 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11736 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11737 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11738 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11739 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11740 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11741 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11742 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11743 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11744 into separate files.
11745 (DEF_GOMP_BUILTIN): New.
11746 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11747 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11748 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11749 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11750 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11751 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11752 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11753 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11754 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11755 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11756 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11757 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11758 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11759 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11760 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11761 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11762 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11763 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11764 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11765 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11766 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11767 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11768 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11769 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11770 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11771 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11772 * sync-builtins.def: New file, moved from builtins.def.
11773 * omp-builtins.def: New file, moved from builtins.def.
11774 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11775 * gimple-low.c (lower_function_body): Clear data.
11776 (lower_stmt): Do not handle COMPOUND_EXPR.
11777 Remove call to print_node_brief.
11778 * c-tree.h (c_finish_omp_clauses): New prototype.
11779 (C_DECL_THREADPRIVATE_P): Define.
11780 (lookup_name_no_remap, c_omp_remap_private): Remove
11781 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11782 (check_for_loop_decls): Update decl.
11783 (lookup_name_no_remap, c_omp_remap_private): Declare.
11784 (build_indirect_ref, build_modify_expr, pushdecl,
11785 pushdecl_top_level): Move to c-common.h.
11786 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11787 before the switch, but just in the 2 places that need it.
11788 * c-decl.c (diagnose_mismatched_decls): Do not check for
11789 mismatched thread-local attributes when OLDDECL is marked
11790 threadprivate and NEWDECL has no thread-local attributes.
11791 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11792 (c_gimple_diagnostics_recursively): Rename from
11793 c_warn_unused_result_recursively. Invoke
11794 diagnose_omp_structured_block_errors.
11795 (check_for_loop_decls): Return a singular decl found.
11796 * langhooks.c (lhd_omp_predetermined_sharing): Return
11797 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11798 (lhd_omp_firstprivatize_type_sizes): New.
11799 (lhd_omp_assignment): New.
11800 (lhd_omp_predetermined_sharing): New.
11801 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11802 (struct lang_hooks_for_types): Add
11803 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11804 omp_predetermined_sharing, omp_disregard_value_expr,
11805 omp_private_debug_clause, omp_clause_default_ctor,
11806 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11807 (c_finish_omp_clauses): New.
11808 (c_finish_bc_stmt): Diagnose break within omp for.
11809 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11810 (build_unary_op): Return error_mark after reporting
11812 (build_modify_expr): Likewise.
11813 * gimplify.c: Include optabs.h and pointer-set.h.
11814 (enum gimplify_omp_var_data): Declare.
11815 (struct gimplify_omp_ctx): Declare.
11816 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11818 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11819 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11820 (splay_tree_compare_decl_uid): New.
11821 (new_omp_context): New.
11822 (delete_omp_context): New.
11823 (gimple_add_tmp_var): Call omp_add_variable.
11824 (gimplify_bind_expr): Likewise.
11825 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11826 true, disregard DECL_VALUE_EXPR on the decl if any.
11827 (gimplify_expr_in_ctx): New.
11828 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11829 omp_add_variable, omp_notice_variable, omp_is_private
11830 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11831 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11832 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11833 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11834 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11835 gimplify_omp_atomic): New.
11836 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11837 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11838 OMP_CRITICAL and OMP_ATOMIC.
11839 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11840 * c-pragma.h (enum pragma_kind): Add
11841 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11842 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11843 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11844 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11845 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11846 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11847 PRAGMA_OMP_THREADPRIVATE.
11848 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11849 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11850 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11851 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11852 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11853 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11854 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11855 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11856 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11857 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11858 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11859 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11860 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11862 (struct nesting_info): Add field_map,
11863 suppress_expansion, debug_var_chain.
11864 (create_nesting_tree): Initialize them.
11865 (lookup_field_for_decl): Use field_map.
11866 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11867 (convert_local_omp_clauses): New.
11868 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11869 (walk_body): Split out of walk_function.
11870 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11871 (convert_nonlocal_reference): Handle omp statements.
11872 (convert_local_reference): Likewise.
11873 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11874 (unnest_nesting_tree): New.
11875 (lower_nested_functions): Call it.
11876 (insert_field_into_struct): Make extern.
11877 (struct walk_stmt_info): Move to tree-gimple.h.
11878 (walk_stmts): Make extern.
11879 * omp-builtins.def: New file.
11880 * tree-iterator.c (expr_only): Clarify comment.
11881 * c-common.h (pushdecl_top_level, pushdecl,
11882 build_modify_expr, build_indirect_ref,
11883 c_finish_omp_master, c_finish_omp_critical,
11884 c_finish_omp_ordered, c_finish_omp_barrier,
11885 c_finish_omp_atomic, c_finish_omp_flush,
11886 c_finish_omp_for, c_split_parallel_clauses,
11887 omp_clause_default_kind, c_omp_sharing_predetermined,
11888 c_omp_remap_decl): Declare.
11889 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11890 (OBJS-common): Add omp-low.o.
11891 (c-omp.o, omp-low.o): Add.
11892 (gimplify.o): Add dependency on $(OPTABS_H).
11893 (GTFILES): Add omp-low.c.
11894 (gt-stringpool.h): Add.
11895 * tree-cfg.c (set_bb_for_stmt): Do not update the
11896 block-to-labels map if we are currently expanding to RTL.
11897 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11899 Handle IDENTIFIER_NODE.
11900 (tree_verify_flow_info): Do not ICE when emitting error
11901 messages about invalid labels.
11902 (dump_function_to_file): Reset CFUN before emitting the body
11904 (debug_function): New.
11905 * passes.c (init_optimization_passes): Schedule
11907 * langhooks-def.h (lhd_omp_predetermined_sharing,
11908 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11910 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11911 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11912 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11913 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11914 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11915 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11916 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11917 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11918 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11919 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11920 (LANG_HOOK_DECLS): Use them.
11922 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11923 Richard Henderson <rth@redhat.com>
11924 Jakub Jelinek <jakub@redhat.com>
11925 Diego Novillo <dnovillo@redhat.com>
11927 * c-parser.c (pragma_omp_clause): Define.
11928 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11929 (c_parser_compound_statement): Likewise.
11930 (c_parser_statement): Likewise.
11931 (c_parser_pragma): Handle omp pragmas.
11932 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11933 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11934 (c_parser_omp_clause_name, check_no_duplicate_clause,
11935 c_parser_omp_variable_list,
11936 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11937 c_parser_omp_clause_copyprivate,
11938 c_parser_omp_clause_default,
11939 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11940 c_parser_omp_clause_lastprivate,
11941 c_parser_omp_clause_nowait,
11942 c_parser_omp_clause_num_threads,
11943 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11944 c_parser_omp_clause_reduction,
11945 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11946 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11947 c_parser_omp_atomic, c_parser_omp_barrier,
11948 c_parser_omp_critical, c_parser_omp_flush,
11949 c_parser_omp_for_loop, c_parser_omp_for,
11950 c_parser_omp_master, c_parser_omp_ordered,
11951 c_parser_omp_sections_scope, c_parser_omp_sections,
11952 c_parser_omp_parallel, c_parser_omp_single,
11953 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11954 * c-pragma.c (init_pragma): Do omp pragma registration here.
11955 * c.opt (fopenmp): New flag.
11957 2006-01-18 Eric Christopher <echristo@apple.com>
11959 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11960 * config/darwin.h (GOMP_SELF_SPECS): Define.
11962 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11964 * rtl.h: Remove the prototype for reg_alloc.
11966 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11969 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11970 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11971 sjlj and dwarf2 exception handling.
11972 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11973 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11974 * pa/pa.c (function_value): Treat complex and vector types as
11976 (function_arg): Likewise. Only pass scalar floats in the floating
11977 point argument registers.
11978 * pa/t-slibgcc-dwarf-ver: New file.
11979 * pa/t-slibgcc-sjlj-ver: New file.
11980 * pa/t-slibgcc-elf-ver: Delete file.
11982 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11984 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11985 unlikely_test_section_p test.
11987 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11989 * mode-switching.c (optimize_mode_switching): Make it static.
11990 * basic-block.h: Remove the prototype for
11991 optimize_mode_switching.
11993 * modulo-sched.c (sms_schedule): Make it static.
11994 * rtl.h: Remove the prototype for sms_schedule.
11996 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11997 * rtl.h: Remove the prototype for gcse_after_reload_main.
11999 * reg-stack.c (reg_to_stack): Make it static.
12000 * rtl.h: Remove the prototype for reg_to_stack.
12002 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12004 * rtl.h: Remove the prototypes for regrename_optimize and
12005 copyprop_hardreg_forward.
12007 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12009 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12010 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12011 Test against the appropriate null constant for the mode.
12012 If 'fixup_overlap' is true, swap the operands if they overlap.
12013 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12014 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12015 alpha_split_tmode_pair and adjust for above change.
12016 * config/alpha/alpha.md (movtf_internal): Adjust call to
12017 alpha_split_tfmode_pair and rely on it to swap the operands.
12018 (movti_internal): New insn and post-reload splitter.
12019 (movti): New expander.
12021 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12023 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12026 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12028 * rtlanal.c (global_reg_mentioned_p_1,
12029 global_reg_mentioned_p): Remove.
12030 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12032 * flow.c (initialize_uninitialized_subregs): Make it static.
12033 * rtl.h: Remove the prototype for
12034 initialize_uninitialized_subregs.
12036 * function.c (instantiate_virtual_regs): Make it static.
12037 * function.h: Remove the prototype for
12038 instantiate_virtual_regs.
12040 * regmove.c (regmove_optimize, combine_stack_adjustments):
12042 * rtl.h: Remove the prototypes for regmove_optimize and
12043 combine_stack_adjustments.
12045 2006-01-17 Roger Sayle <roger@eyesopen.com>
12047 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12048 (size_cost): Encode costs in bytes so that a reg-reg addition is
12049 equivalent to COSTS_N_INSNS(1).
12050 (override_options): Use the size_cost.branch_cost as the default
12051 ix86_branch_cost when optimizing for size.
12053 2006-01-18 Ben Elliston <bje@au.ibm.com>
12055 * Makefile.in (D32PBIT_FUNCS): New.
12056 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12057 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12058 D64PBIT_FUNCS and D128PBIT_FUNCS.
12059 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12060 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12062 (decnumber_dep): Define.
12063 * doc/libgcc.texi (Decimal float library routines): New node.
12064 * config/dfp-bit.h, config/dfp-bit.c: New files.
12066 2006-01-18 Ben Elliston <bje@au.ibm.com>
12068 * expr.c (emit_move_change_mode): Always adjust addresses, not
12069 just during reload. Copy replacements only during reload.
12070 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12071 emit_move_via_integer.
12073 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12075 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12076 instead of $(srcdir) and ${srcdir}.
12078 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12081 PR middle-end/11135
12082 * arm.h (struct machine_function): Add pic_reg.
12083 * arm.c (arm_pic_register): Make unsigned.
12084 (arm_override_options): Only set arm_pic_register if
12085 TARGET_SINGLE_PIC_BASE.
12086 (use_return_insn): Only test for a pic register if it is fixed.
12087 (arm_compute_save_reg0_reg12_mask): Likewise.
12088 (thumb_compute_save_reg_mask): Likewise.
12089 (legitimate_pic_operand): Factor out some known invariants.
12090 (legitimize_pic_address): If we don't have a fixed pic register,
12091 then set up a pseudo in the function entry sequence. Handle the
12092 pic base being in a pseudo.
12093 (arm_load_pic_register): Handle the pic register being in a pseudo.
12094 (arm_expand_prologue): Only set up the pic register if it is fixed.
12095 (thumb_expand_prologue): Likewise.
12096 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12097 (pic_load_addr_based_insn): Likewise.
12098 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12101 2006-01-18 Ben Elliston <bje@au.ibm.com>
12103 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12104 decimal float modes for all floating point registers.
12106 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12107 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12109 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12112 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12113 even when the pointer is not NULL.
12115 2006-01-16 Ian Lance Taylor <ian@airs.com>
12117 * common.opt (ftoplevel-reorder): New option.
12118 * cgraph.c (cgraph_asm_nodes): New global variable.
12119 (cgraph_asm_last_node): New static variable.
12120 (cgraph_order): New global variable.
12121 (cgraph_create_node): Set new order field.
12122 (cgraph_varpool_node): Likewise.
12123 (decide_is_variable_needed): Return true if not
12124 flag_toplevel_reorder.
12125 (cgraph_add_asm_node): New function.
12126 * cgraph.h (struct cgraph_node): Add order field.
12127 (struct cgraph_varpool_node): Add order field.
12128 (struct cgraph_asm_node): Define.
12129 (cgraph_asm_nodes, cgraph_order): Declare.
12130 (cgraph_add_asm_node): Declare.
12131 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12133 (cgraph_varpool_assemble_pending_decls): Call it.
12134 (cgraph_output_pending_asms): New static function.
12135 (cgraph_finalize_compilation_unit): Call it.
12136 (struct cgraph_order_sort): Define.
12137 (cgraph_output_in_order): New static function.
12138 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12139 !flag_toplevel_reorder case.
12140 * c-parser.c: Include "cgraph.h".
12141 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12143 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12144 than -fno-unit-at-a-time.
12145 * doc/invoke.texi (Option Summary): Mention
12146 -fno-toplevel-reorder.
12147 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12148 -funit-at-a-time documentation.
12150 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12151 Kazu Hirata <kazu@codesourcery.com>
12153 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12155 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12157 * Makefile.in (FUNCTION_H): New. Use it instead of
12158 function.h throughout the file.
12159 * function.h: Include tree.h.
12161 2006-01-17 Ben Elliston <bje@au.ibm.com>
12163 * recog.c: Separate some functions with whitespace.
12165 2006-01-16 Richard Henderson <rth@redhat.com>
12167 Merge from gomp branch:
12168 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12169 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12170 and rename from struct inline_data. Rename callee* to dst*;
12171 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12172 transform_new_cfg, transform_return_to_modify, and
12173 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12175 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12176 (copy_decl_for_dup): Remove.
12177 * tree-inline.c (struct inline_data): Move to header.
12178 (insert_decl_map): Export.
12179 (remap_decl): Update for member name changes. Use copy_decl hook.
12180 Allow for replacement to be a non-decl. Remove dead code.
12181 (remap_type_1): Check for existing mapping.
12182 (remap_type): Export.
12183 (remap_decls): Update for member name changes.
12184 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12185 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12186 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12187 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12188 (tree_function_versioning, build_duplicate_type): Likewise.
12189 (copy_body_r): Likewise. Export.
12190 (copy_decl_for_dup): Split into ...
12191 (copy_decl_for_dup_finish, copy_decl_to_var,
12192 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12193 (replace_ref_tree, inlining_p): Remove.
12195 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12197 * ifcvt.c (if_convert): Make it static.
12198 * rtl.h: Remove the prototype for if_convert.
12200 * local-alloc.c (local_alloc): Make it static.
12201 * rtl.h: Remove the prototype for local_alloc.
12203 * loop.c (loop_optimize): Make it static.
12204 * cfgloop.h: Remove the prototype for loop_optimize.
12207 2006-01-16 DJ Delorie <dj@redhat.com>
12209 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12212 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12214 * pa.md: Disparage copies between general and floating-point registers
12215 in 32-bit move patterns.
12217 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12220 * Makefile.in (check-%): Depend on site.exp instead of
12221 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12224 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12226 * global.c (global_alloc): Make it static.
12227 * rtl.h: Remove the prototype for global_alloc.
12229 2006-01-16 Richard Guenther <rguenther@suse.de>
12231 * tree-ssa-alias.c (struct used_part): Add write_only field.
12232 (get_or_create_used_part_for): Initialize it to true.
12233 (create_overlap_variables_for): Don't create structure variables
12234 for structures that only are written to.
12235 (find_used_portions): Handle MODIFY_EXPR to track whether a
12236 structure is only written to.
12238 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12240 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12242 * basic-block.h: Remove the prototype for
12243 partition_hot_cold_basic_blocks.
12245 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12247 * cppspec.c (lang_specific_spec_functions): Remove.
12248 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12249 * gcc.h (lang_specific_spec_functions): Remove.
12250 * gccspec.c (lang_specific_spec_functions): Remove.
12252 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12254 * combine.c (record_value_for_reg): Invalidate registers
12256 (record_dead_and_set_regs_1): Likewise, by passing them to
12257 record_value_for_reg.
12258 (record_dead_and_set_regs): Invalidate stores made by a
12259 call. We do not combine across a call, but we still
12260 relied on equivalences.
12262 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12264 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12265 vrp_int_const_binop returning non-constant nodes.
12267 2006-01-16 Paul Brook <paul@codesourcery.com>
12269 * config/m68k/m68k.c (output_move_const_into_data_reg):
12270 Output correct mnemonic for mvz and mvs.
12272 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12274 * rtl-factoring.c: Add sequence abstraction algorithm.
12275 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12276 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12278 (block_has_preserve_label): New function.
12279 * common.opt: Register new pass.
12280 * Makefile.in: Ditto.
12282 * timevar.def: Ditto.
12283 * tree-pass.h: Ditto.
12284 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12285 * rtl.h (make_jump_insn_raw): Add forward decl.
12286 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12288 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12289 Roger Sayle <roger@eyesopen.com>
12291 * fold-const.c (fold_minmax): New static function.
12292 (fold_binary) <MIN_EXPR>: Call it.
12293 <MAX_EXPR>: Likewise.
12294 * stor-layout.c (place_field): Use DECL_SIZE consistently
12295 in the computation of the new record size.
12297 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12299 * cse.c (cse_condition_code_reg): Make it static.
12300 * rtl.h: Remove the prototype for cse_condition_code_reg.
12302 * combine.c (combine_instructions): Make it static.
12303 * rtl.h: Remove the prototype for combine_instructions.
12305 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12308 * tree.c (get_file_function_name_long): Concatenate the first global
12309 object name with a string derived from the input filename of the object
12312 2006-01-16 Ben Elliston <bje@au.ibm.com>
12314 * config/i386/winnt-stubs.c: Update FSF address.
12315 * config/xtensa/ieee754-df.S: Ditto.
12316 * config/xtensa/ieee754-sf.S: Ditto.
12318 2006-01-14 Ian Lance Taylor <ian@airs.com>
12320 * ifcvt.c (noce_init_if_info): New static function, broken out of
12321 noce_process_if_block.
12322 (noce_process_if_block): Call noce_init_if_info.
12323 (check_cond_move_block): New static function.
12324 (cond_move_process_if_block): New static function.
12325 (process_if_block): Call cond_move_process_if_block.
12327 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12329 * cselib.c (hash_table): Rename to cselib_hash_table.
12330 (cselib_clear_table, discard_useless_values,
12331 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12332 cselib_init, cselib_finish): Adjust uses of hash_table.
12334 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12336 PR tree-optimization/25485
12337 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12338 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12339 is known to be false and true, respectively.
12341 2006-01-14 Richard Guenther <rguenther@suse.de>
12343 PR tree-optimization/22548
12344 PR tree-optimization/22555
12345 PR tree-optimization/22501
12346 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12347 * params.def (salias-max-array-elements): New parameter.
12348 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12349 * doc/invoke.texi (salias-max-array-elements): Document.
12350 * tree-flow-inline.h (var_can_have_subvars): We also handle
12352 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12354 * tree-ssa-structalias.c (params.h): Include.
12355 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12356 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12357 (get_constraint_for): For ADDR_EXPR operating on something
12358 containing an ARRAY_REF, add all subvars to the solution.
12359 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12360 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12361 for creating MUST_DEFs.
12362 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12364 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12366 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12368 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12369 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12370 number_of_iterations_le): New functions.
12371 (number_of_iterations_special): Removed.
12372 (number_of_iterations_exit): Do not use number_of_iterations_special.
12373 * tree.c (unsigned_type_for): Always return integer type.
12375 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12376 Richard Guenther <rguenther@suse.de>
12378 PR rtl-optimization/24257
12379 * gcse.c (find_moveable_store): Only consider a store movable
12380 when the SET_SRC of the insn can be assigned to a register.
12382 2006-01-14 Ian Lance Taylor <ian@airs.com>
12384 * tree.c (tree_not_class_check_failed): New function.
12385 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12386 (tree_not_class_check_failed): Declare.
12388 2006-01-13 Ian Lance Taylor <ian@airs.com>
12390 * reload1.c (do_output_reload): Add assertion rejecting a
12393 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12395 * combine.c (struct reg_stat): Add new fields truncation_label and
12397 (record_value_for_reg): Reset truncated_to_mode.
12398 (record_truncated_value): New function.
12399 (check_promoted_subreg): Call it. Rename to check_conversions.
12400 (combine_instructions): Rename check_promoted_subreg to
12402 (reg_truncated_to_mode): New function.
12403 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12404 (gen_lowpart_or_truncate): New function.
12405 (force_to_mode): Use it instead of gen_lowpart.
12407 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12409 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12410 VAR is a tag, not its type tag.
12412 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12414 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12415 alternatives to match style of other entries.
12416 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12418 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12420 PR tree-optimization/25771
12421 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12424 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12427 * tree-inline.c (declare_return_variable): If the return variable
12428 was marked as a non gimple complex, set the return slot variable
12429 to be a non gimple comple variable.
12431 2006-01-13 Richard Guenther <rguenther@suse.de>
12433 * builtins.c (expand_builtin_sincos): New function.
12434 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12436 (expand_builtin): Expand sincos using expand_builtin_sincos.
12438 2006-01-12 DJ Delorie <dj@redhat.com>
12440 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12441 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12442 so that constant shifts can be split.
12443 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12444 (m32c_valid_pointer_mode): Make static.
12445 (shift_gen_func_for): New.
12446 (m32c_prepare_shift): Use it. Split large const shifts into
12448 * config/m32c/predicates.md (shiftcount_operand): Allow more
12450 (longshiftcount_operand): New.
12451 * doc/md.texi (Machine Constraints): Document In6.
12453 2006-01-13 Ben Elliston <bje@au.ibm.com>
12455 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12456 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12459 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12461 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12462 to try to avoid clobbering pieces of structures when we know
12463 something about the whole structure.
12464 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12466 2006-01-13 Ben Elliston <bje@au.ibm.com>
12468 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12469 return in memory, as this is no limitation is no longer present.
12471 2006-01-12 DJ Delorie <dj@redhat.com>
12473 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12474 mova with fb, and for fb+0 -> An.
12476 * config/m32c/mov.md (peephole2): Fix enabling logic.
12478 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12479 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12480 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12481 FINI_ARRAY_SECTION_ASM_OP): Define.
12483 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12485 (m32c_legitimize_reload_address): New logic to reload FB to An.
12486 (m32c_output_reg_push): Add newline.
12487 (m32c_output_reg_pop): Likewise.
12489 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12491 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12493 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12495 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12497 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12499 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12502 2006-01-11 Ben Elliston <bje@au.ibm.com>
12504 * rtlanal.c (find_reg_note): Assert insn is not null.
12506 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12508 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12511 2006-01-11 Jeff Law <law@redhat.com>
12513 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12515 (mark_threaded_blocks, register_jump_thread): New functions.
12516 (thread_through_all_blocks): Remove unwanted argument. No
12517 longer rely on e->aux to communicate thread target info.
12518 Call mark_threaded_blocks. Release the threaded_blocks
12519 bitmap and threaded_edges vector when complete.
12520 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12521 (threaded_blocks): Remove.
12522 (tree_ssa_dominator_optimize): Remove initialization and
12523 finalization of threaded_blocks. Simplify call to
12524 thread_through_all_blocks.
12525 (thread_across_edge): Call register_jump_thread rather than
12526 storing thread information into e->aux.
12527 (free_all_edge_infos): Simplify now that e->aux is no longer
12528 used to communicate with thread_through_all_blocks.
12529 * tree-flow.h (thread_through_all_blocks): Update prototype.
12530 (register_jump_thread): Prototype.
12532 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12534 * df-core.c (df_compact_blocks, df_bb_replace): Use
12535 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12537 2006-01-11 Richard Guenther <rguenther@suse.de>
12539 PR tree-optimization/25734
12540 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12541 stop propagation after successful propagation to the LHS.
12543 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12545 * basic-block.h (control_flow_graph): Change the type of
12546 x_basic_block_info to VEC(basic_block,gc) *.
12547 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12549 (SET_BASIC_BLOCK): New.
12550 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12551 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12552 * cfgbuild.c (find_basic_blocks): Likewise.
12553 * cfglayout.c (fixup_reorder_chain): Likewise.
12554 * cfgrtl.c (create_basic_block_structure,
12555 rtl_create_basic_block): Likewise.
12556 * ifcvt.c (find_if_case_1): Likewise.
12557 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12560 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12562 * Makefile.in: Removed rotted odf.c entry.
12564 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12567 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12568 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12569 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12570 output pattern modifier, not %e.
12571 * config/cris/cris.c (cris_op_str): Update comment about pattern
12573 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12574 before falling through into...
12575 <case 'E'>: Redefined from old 'e' case.
12577 2006-01-11 Jan Hubicka <jh@suse.cz>
12580 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12582 2006-01-11 Jan Hubicka <jh@suse.cz>
12584 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12585 * i386.c (x86_decompose_lea): Kill.
12586 (ix86_rtx_costs): Kill.
12588 2006-01-11 Jan Hubicka <jh@suse.cz>
12590 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12591 * cgraph.h (cgraph_node): Add inline_decl.
12592 (cgraph_insert_node_to_hashtable): Declare.
12593 (save_inline_function_body): Declare.
12594 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12596 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12597 (cgraph_function_versioning): Update call of tree_function_versioning.
12598 (save_inline_function_body): New function.
12599 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12600 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12601 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12602 (cgraph_default_inline_p): Likewise.
12603 (cgraph_decide_inlining_incrementally): Likewise.
12604 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12605 (copy_bb): Kill saving; do updating of clones.
12606 (copy_cfg_body): Kill saving.
12607 (initialize_inlined-parameters): Likewise.
12608 (expand_call_inline): Likewise.
12610 (tree_function_versioning): New parameter "update_clones".
12611 (inlining_p): Kill saving.
12612 * tree-inline.h (tree_function_versioning): Update prototype.
12613 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12616 2006-01-11 Ian Lance Taylor <ian@airs.com>
12618 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12619 Allow undoing set of machine mode.
12620 (do_SUBST): Use enums instead of is_int.
12621 (do_SUBST_MODE): New function.
12622 (SUBST_MODE): New macro.
12623 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12624 reg and trying to replace reg_regno_rtx with a new register.
12625 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12626 (simplify_set): Use SUBST_MODE.
12627 (distribute_notes): Remove code that tried to update reg notes
12628 for regno_reg_rtx changes.
12630 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12632 PR tree-optimization/23109
12633 PR tree-optimization/23948
12634 PR tree-optimization/24123
12636 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12637 * tree-cfg.c (single_noncomplex_succ): New.
12638 * tree-flow.h (single_noncomplex_succ): Declare it.
12639 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12640 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12641 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12642 insert_bb, register_division_in, insert_reciprocals,
12643 replace_reciprocal, free_bb): New.
12644 (execute_cse_reciprocals_1): Rewritten.
12645 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12646 Do not commit any edge insertion. Always compute dominators and
12647 create the allocation pool.
12648 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12649 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12650 * targhooks.c (default_min_divistions_for_recip_mul): New.
12651 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12652 * passes.c (init_optimization_passes): Run recip after tree loop
12654 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12656 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12657 Kenneth Zadeck <zadeck@naturalbridge.com>
12659 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12660 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12661 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12662 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12663 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12664 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12665 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12666 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12667 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12668 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12669 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12670 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12671 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12672 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12673 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12674 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12675 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12676 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12677 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12678 DF_SCAN_POST_ALLOC): New macros.
12679 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12680 df_free_bb_function, df_local_compute_function, df_init_function,
12681 df_dataflow_function, df_confluence_function_0,
12682 df_confluence_function_n, df_transfer_function,
12683 df_finalizer_function, df_free_function, df_dump_problem_function,
12684 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12685 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12686 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12687 df_urec_bb_info, ) New types.
12688 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12690 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12691 df_analyze_simple_change_some_blocks,
12692 df_analyze_simple_change_one_block, df_compact_blocks,
12693 df_bb_replace, df_bb_regno_last_use_find,
12694 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12695 df_insn_regno_def_p, df_find_def, df_find_use,
12696 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12697 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12698 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12699 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12700 debug_df_chain, df_get_dependent_problem, df_chain_create,
12701 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12702 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12703 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12704 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12705 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12706 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12707 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12708 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12709 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12710 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12711 df_reorganize_refs, df_set_state, df_hard_reg_init,
12712 df_read_modify_subreg_p) New public functions.
12713 * df-core.c: The core dataflow solver and glue routines for rtl
12715 (df_init, df_add_problem, df_set_blocks, df_finish,
12716 df_hybrid_search_forward, df_hybrid_search_backward,
12717 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12718 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12719 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12720 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12721 df_reg_defined, df_find_use, df_reg_used, df_dump,
12722 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12723 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12724 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12725 debug_df_useno, reset_df_after_reload): New functions.
12726 * df-scan.c: The scanning fuctions, once in df.c, completely
12727 rewritten so that they now fully model the functionality of
12728 register usage at the backend.
12729 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12730 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12731 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12732 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12733 df_get_artificial_defs, df_get_artificial_uses,
12734 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12735 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12736 df_refs_delete, df_reorganize_refs, df_set_state,
12737 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12738 df_def_record_1, df_defs_record, df_uses_record,
12739 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12740 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12741 df_record_exit_block_uses, df_hard_reg_init): New functions.
12743 * df-problems.c: Seven concrete dataflow problems that use the
12744 scanning in df-scan.c and are solved by the engine in df-core.c.
12745 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12746 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12747 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12748 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12749 df_ru_free_bb_info, df_ru_alloc,
12750 df_ru_bb_local_compute_process_def,
12751 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12752 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12753 df_ru_transfer_function, df_ru_free, df_ru_dump,
12754 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12755 df_rd_free_bb_info, df_rd_alloc,
12756 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12757 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12758 df_rd_transfer_function, df_rd_free, df_rd_dump,
12759 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12760 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12761 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12762 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12763 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12764 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12765 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12766 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12767 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12768 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12769 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12770 df_urec_mark_reg_use_for_earlyclobber,
12771 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12772 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12773 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12774 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12775 df_chain_create_bb_process_use, df_chain_create_bb,
12776 df_chain_finalize, df_chain_free, df_chains_dump,
12777 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12778 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12779 df_reg_lifetime): New functions.
12780 * df.c: Deleted file.
12781 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12782 consistent with new df api.
12783 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12784 rest_of_handle_sms): Ditto.
12785 * web.c (unionfind_union, union_defs, entry_register, web_main):
12787 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12788 invariant_expr_equal_p, find_defs, check_dependencies,
12789 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12790 free_inv_motion_data, move_loop_invariants): Ditto.
12791 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12792 Update dependencies.
12793 (odf.c): Added defective entry that was deleted later in day.
12794 * sched-deps.c (sched_analyze_1): Ditto.
12796 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12798 * tree-ssa-operands.c (get_expr_operands): Record addressable
12799 variables directly. Do not call add_stmt_operands for CONST_DECLs
12801 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12802 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12804 2006-01-11 Ben Elliston <bje@au.ibm.com>
12806 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12807 function returns true in the positive case.
12809 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12812 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12813 for SI, DI, SF and DF modes. Add alternatives to copy between
12814 general and floating point registers to the 32-bit patterns.
12815 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12816 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12817 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12818 generating 64-bit code.
12819 * config/pa/pa.c (output_move_double): Handle copies between general
12820 and floating registers.
12822 2006-01-10 Stuart Hastings <stuart@apple.com>
12824 * config/i386/i386.md (set_got): Update.
12825 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12826 (builtin_setjmp_receiver): Mach-O support.
12827 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12828 (GOT_SYMBOL_NAME): Define.
12829 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12830 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12831 * config/i386/i386.c (override_options): Revise for Darwin.
12832 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12833 support. (darwin_x86_file_end): New. (output_set_got): Add label
12834 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12835 * config/i386/i386-protos.h (output_set_got): Likewise.
12836 * config/darwin.c (machopic_legitimize_pic_address): Update
12839 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12841 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12842 when MODE isn't BLKmode.
12844 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12846 PR rtl-optimization/25367
12847 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12849 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12852 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12853 for a negative bound.
12855 2006-01-10 Richard Guenther <rguenther@suse.de>
12857 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12858 Never override with anything constraint.
12860 2006-01-10 Jan Beulich <jbeulich@novell.com>
12862 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12863 256 bits when optimize_size.
12865 2006-01-10 Jan Beulich <jbeulich@novell.com>
12867 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12869 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12870 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12873 2006-01-10 Ben Elliston <bje@au.ibm.com>
12875 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12877 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12878 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12879 (USE_FP_FOR_ARG): Reject decimal float modes.
12880 (function_arg_advance): Likewise.
12881 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12882 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12883 point types in AltiVec vectors.
12884 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12885 (rs6000_libcall_value): Likewise.
12887 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12889 * config/xtensa/ieee754-df.S: New file.
12890 * config/xtensa/ieee754-sf.S: New file.
12891 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12892 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12893 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12895 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12897 * config/sh/predicates.md (binary_float_operator,
12898 binary_logical_operator, commutative_float_operator,
12899 equality_comparison_operator, greater_comparison_operator,
12900 less_comparison_operator, logical_operator,
12901 noncommutative_float_operator, shift_operator,
12902 symbol_ref_operand, unary_float_operator): Remove redundant
12905 2006-01-09 Jeff Law <law@redhat.com>
12907 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12908 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12909 now unused arguments. Callers updated.
12910 (eliminate_redundant_computations): Remove now unused arguments,
12912 (local_fold): Remove, no longer used.
12913 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12915 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12916 (simplify_cond): New function.
12917 (forward_propagate_into_cond): Call simplify_cond.
12919 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12921 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12922 (*vec_extractv2di_1_sse): New.
12924 2006-01-09 Ben Elliston <bje@au.ibm.com>
12926 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12928 2006-01-08 Richard Guenther <rguenther@suse.de>
12930 * tree-ssa-structalias.c (get_constraint_for): Remove
12931 anyoffset argument.
12932 (get_constraint_for_component_ref): Likewise.
12933 (do_deref): Likewise.
12934 (get_constraint_for): Likewise.
12935 (do_structure_copy): Likewise.
12936 (handle_ptr_arith): Likewise.
12937 (find_func_aliases): Likewise. Remove unused need_anyoffset
12940 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12941 Kaz Kojima <kkojima@gcc.gnu.org>
12943 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12944 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12945 (EXTRA_CONSTRAINT_C16): Remove.
12946 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12947 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12948 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12949 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12950 constants of SHmedia. Handle nested constant expressions of
12952 (andcosts): Fix the costs for SHmedia constants.
12953 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12954 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12955 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12956 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12957 (movv4hi_i, movv2si_i): Likewise.
12958 (movsi_const): Adjust the second operand of ior so to match with
12959 the Csu constraint.
12960 (movdi_const, movdi_const_32bit): Likewise.
12961 (movdi_const_16bit+1): Don't sign-extend LOW.
12962 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12964 (*double_shori): Fix the split condition. Use GEN_INT instead
12965 of get_int_mode calls. Mask lower 16-bit of the argument of
12967 (sym2GOTPLT): Remove.
12968 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12970 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12971 instead of EXTRA_CONSTRAINT_C16.
12973 2006-01-07 Ian Lance Taylor <ian@airs.com>
12974 David Edelsohn <edelsohn@gnu.org>
12976 PR rtl-optimization/25662
12977 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12978 for constant operands instead of simplify_gen_binary.
12979 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12980 after trying simplify_binary_operation
12982 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12984 * tree.c (iterative_hash_expr): Hash decls based on UID.
12986 2006-01-06 Eric Christopher <echristo@apple.com>
12988 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12989 (TARGET_UNWIND_EMIT): Fix spelling.
12990 * target.h (gcc_target): Add except_table_label.
12991 * except.c (output_function_exception_table): Use.
12992 * varasm.c (default_emit_except_table_label): New.
12993 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12995 (asm_out): Add here.
12996 * output.h (default_emit_except_table_label): Prototype.
12997 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12998 * config/darwin.c (darwin_emit_except_table_label): Define.
12999 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13001 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13003 PR tree-optimization/18527
13004 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13005 number_of_iterations_special, number_of_iterations_exit):
13006 Move base and step of an iv to a single structure. Add
13007 no_overflow flag, and use it in # of iterations analysis.
13008 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13009 folded_casts argument.
13010 (simple_iv): Pass base and step in a structure. Set no_overflow
13012 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13013 Evaluate expensiveness of computing # of iterations instead of
13014 the final expression.
13015 * tree-scalar-evolution.h (affine_iv): New structure.
13016 (simple_iv): Declaration changed.
13017 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13018 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13019 find_givs_in_stmt): Changed due to simple_iv change.
13021 2006-01-06 Jeff Law <law@redhat.com>
13024 * tree-cfg.c (bsi_replace): Rename final argument from
13025 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13026 change (stmt -> orig_stmt).
13027 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13028 (bsi_remove): Add new argument. Remove EH information
13030 (verify_eh_throw_table_statements): New function.
13031 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13033 * tree-optimize.c (execute_free_cfg_annotations): Verify
13034 the EH throw statement table after removing annotations.
13035 * except.h (verify_eh_throw_table_statements): Prototype.
13036 * tree-flow.h (bsi_remove): Update prototype.
13037 * tree-vrp.c (remove_range_assertions): Add new argument to
13039 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13040 * tree-complex.c (expand_complex_div_wide): Likewise.
13041 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13042 * tree-tailcall.c (eliminate_tailcall): Likewise.
13043 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13044 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13045 * tree-nrv.c (tree_nrv): Likewise.
13046 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13047 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13048 (combine_blocks): Likewise.
13049 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13050 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13051 (cleanup_control_flow): Likewise.
13052 (remove_forwarder_block): Likewise.
13053 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13054 * tree-sra.c (sra_replace): Likewise.
13055 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13056 (forward_propagate_single_use_vars): Likewise.
13057 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13058 * tree-inline.c (expand_call_inline): Likewise.
13059 * tree-vect-transform.c (vect_transform_loop): Likewise.
13060 * tree-outof-ssa.c (rewrite_trees): Likewise.
13061 * tree-cfg.c (make_goto_expr_edges): Likewise.
13062 (cleanup_dead_labels): Likewise.
13063 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13064 (bsi_move_before, bsi_move_after): Likewise.
13065 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13066 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13068 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13071 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13073 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13074 on non gimple variables. Also add checks at the top for decls and
13076 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13078 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13079 and IMAGPART_EXPR for creating MUST_DEFs.
13080 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13081 and NAME_MEMORY_TAG separately from the DECLs.
13083 2006-01-06 Richard Guenther <rguenther@suse.de>
13085 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13086 annotation, if necessary.
13087 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13088 redundant calls to update_stmt.
13089 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13092 2006-01-05 Richard Henderson <rth@redhat.com>
13094 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13096 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13098 * c-typeck.c: Update copyright date.
13100 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13102 * c-typeck.c (build_c_cast): Always warn when casting
13103 from a pointer to an integer of different size, even if
13104 the node was constant.
13106 2006-01-05 Richard Guenther <rguenther@suse.de>
13108 PR tree-optimization/22555
13109 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13110 if one structure field is an array.
13111 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13112 operands even if we found a subvar, but ignore VOPs in this
13114 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13116 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13118 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13120 PR middle-end/24998
13121 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13123 2006-01-05 Richard Guenther <rguenther@suse.de>
13124 Diego Novillo <dnovillo@redhat.com>
13126 * tree-pass.h (TODO_remove_unused_locals): Define.
13127 * gimple-low.c (expand_var_p, remove_useless_vars,
13128 pass_remove_useless_vars): Remove. Update all users.
13129 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13130 (remove_unused_locals): New function.
13131 * tree-flow.h (remove_unused_locals): Declare.
13132 * passes.c (execute_todo): Call remove_unused_locals if
13133 TODO_remove_unused_locals is set.
13134 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13135 * tree-ssa-dce.c (pass_dce): Likewise.
13136 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13138 2006-01-05 Richard Guenther <rguenther@suse.de>
13140 * tree-flow.h (struct fieldoff): Decompose field to
13141 type, size and decl.
13142 * tree-ssa-alias.c (create_sft): Take type as parameter.
13143 (create_overlap_variables_for): Store type, size and decl
13144 in the fieldoff structure.
13145 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13146 of struct fieldoff.
13147 (push_fields_onto_fieldstack): Likewise.
13148 (create_variable_info_for): Likewise. Use offset for the
13149 SFT name if the decl is not available.
13151 2006-01-04 Paul Brook <paul@codesourcery.com>
13153 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13155 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13157 * lambda-code.c (can_put_in_inner_loop): Relax
13159 (can_put_after_inner_loop): New function.
13160 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13161 (perfect_nestify): Change to make copies and modify uses.
13163 2006-01-04 Richard Henderson <rth@redhat.com>
13165 Merge from gomp branch:
13166 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13167 via integer constant.
13168 (pragma_lex): Remove.
13169 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13170 rather than parsing it.
13171 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13172 handle_pragma_extern_prefix): Add %< %> quotes.
13173 (registered_pragmas): New.
13174 (c_register_pragma_1): New.
13175 (c_register_pragma): Use it.
13176 (c_register_pragma_with_expansion): Likewise.
13177 (c_invoke_pragma_handler): New.
13178 (init_pragma): Use cpp_register_deferred_pragma directly for
13180 * c-pragma.h (enum pragma_kind): New.
13181 (pragma_handler): New.
13182 (c_invoke_pragma_handler): Declare.
13183 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13185 * c-common.h (c_common_pch_pragma): Update decl.
13186 * Makefile.in (c-parser.o): Update dependencies.
13187 (GTFILES): Add c-pragma.h.
13188 * c-parser.c (struct c_token): Add pragma_kind.
13189 (struct c_parser): Add in_pragma.
13190 (c_lex_one_token): Always initialize keyword and pragma_kind.
13191 Extract data for CPP_PRAGMA.
13192 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13193 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13194 Don't allow CPP_PRAGMA_EOL if in_pragma.
13195 (c_parser_consume_pragma): New.
13196 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13197 (c_parser_skip_to_end_of_parameter): Likewise.
13198 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13199 (c_parser_skip_to_pragma_eol): New.
13200 (c_parser_external_declaration): Handle CPP_PRAGMA.
13201 (c_parser_compound_statement_nostart): Likewise.
13202 (c_parser_statement_after_labels): Likewise.
13203 (c_parser_pragma): New.
13204 (pragma_lex): Likewise.
13205 (c_parser_pragma_pch_preprocess): New.
13206 (c_parser_new): Merge into ...
13207 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13209 2006-01-04 Jeff Law <law@redhat.com>
13212 * tree-cfg.c (bsi_replace): Remove the original statement
13213 from the EH throw statement table.
13215 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13217 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13218 make the prototype extern "C" and add throw ().
13221 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13222 and pos non-negative and pos + len <= 32.
13223 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13224 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13225 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13228 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13229 as well as sizes not multiple of component size.
13232 * function.c (instantiate_expr): New function.
13233 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13234 walk its DECL_VALUE_EXPR with instantiate_expr.
13236 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13237 DW_OP_deref{,_size} if address isn't going to be added.
13239 2006-01-04 Ben Elliston <bje@au.ibm.com>
13241 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13242 * config/fp-bit.c: Likewise.
13244 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13246 * dominance.c: Add comment about why we use DFS numbering
13249 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13250 Richard Henderson <rth@redhat.com>
13252 Merge from gomp-branch:
13253 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13254 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13256 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13258 PR rtl-optimization/25578
13259 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13260 pass a parameter to simplify_shift_const if changing ASHIFTRT
13263 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13265 * builtins.c (get_builtin_sync_mem): New function.
13266 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13267 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13268 Call get_builtin_sync_mem to generate mem rtx.
13270 2006-01-03 Richard Guenther <rguenther@suse.de>
13273 * stmt.c (add_case_node): Make sure to clear overflow flags
13276 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13278 Merge from gomp-branch.
13279 * config/sparc/sync.md: New file.
13280 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13281 UNSPECV_LDSTUB): New constants.
13282 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13283 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13284 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13287 2006-01-03 Roger Sayle <roger@eyesopen.com>
13289 * combine.c (reg_subword_p): New predicate to test whether the
13290 destination of a set refers to a subword/piece of a register.
13291 (try_combine): Generalize the code to merge the setting of a
13292 pseudo to a constant followed by a set of a subword of that
13293 register to a constant.
13295 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13297 * basic-block.h (control_flow_graph): Change the type of
13298 x_label_to_block_map to VEC(basic_block,gc) *.
13299 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13300 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13302 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13303 VEC(basic_block,heap) *.
13304 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13305 ssa_prop_fini): Adjust the uses of cfg_blocks.
13307 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13309 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13311 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13312 hashing trees instead of a pointer hash.
13313 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13314 compare for MEM_EXPR.
13316 PR rtl-optimization/25130
13317 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13318 when comparing MEMs for GCSE
13320 2006-01-03 Ben Elliston <bje@au.ibm.com>
13322 * targhooks.h (default_decimal_float_supported_p): Declare.
13323 * targhooks.c (default_decimal_float_supported_p): Define.
13324 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13325 `default_decimal_float_supported_p'.
13326 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13328 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13330 * combine.c (apply_distributive_law <SUBREG>): Check
13331 TRULY_NOOP_TRUNCATION.
13333 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13335 * dwarf2out.c (have_switched_text_section): Delete.
13336 (have_multiple_function_sections): New.
13337 (have_location_lists): Make 'bool'.
13338 (add_AT_loc_list): Use 'true' not '1'.
13339 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13340 (output_loc_list): Use have_multiple_function_sections.
13341 (output_ranges): Likewise.
13342 (dwarf2out_begin_function): Set have_multiple_function_sections if
13344 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13345 Check function_section rather than DECL_SECTION_NAME.
13346 (dwarf2out_finish): Use have_multiple_function_sections.
13347 Don't clear have_location_lists.
13349 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13350 Jan Hubicka <jh@suse.cz>
13352 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13353 case of conditional jump jumping to the next instruction.
13354 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13355 cases of conditional jump jumping to the next instruction.
13357 2006-01-02 Jan Hubicka <jh@suse.cz>
13359 * i386.c (*_cost): Add COSTS_N_INSNS.
13360 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13362 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13365 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13367 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13369 * config/arm/arm.c (all_fpus): Fix comment typo.
13370 * config/darwin.c: Likewise.
13371 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13372 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13373 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13375 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13377 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13378 (rs6000_split_compare_and_swapqhi): New.
13379 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13380 (sync_compare_and_swapqhi_internal): New.
13381 * config/rs6000/rs6000-protos.h: Declare.