1 2006-07-19 Eric Christopher <echristo@apple.com>
3 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4 Rewrite dependencies for libgcc_s.1.dylib.
6 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8 * except.c (duplicate_eh_regions_1): Clear next_peer.
10 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
12 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
13 -mlongcall does not guarantee all calls will be long.
14 * doc/extend.texi (long_call/short_call): Document that longcall
15 does not guarantee a long call will be used.
16 (longcall/shortcall): Likewise.
18 2006-07-18 Roger Sayle <roger@eyesopen.com>
21 * expmed.c (expand_shift): Additionally check that the shift_cost
22 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
23 before implementing a LSHIFT_EXPR as a sequence of additions.
24 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
25 middle-end that DImode shifts need to be synthesized by expand.
27 2006-07-18 Diego Novillo <dnovillo@redhat.com>
30 * tree-ssa-operands.c (access_can_touch_variable): Update
32 Return true if ALIAS is .GLOBAL_VAR.
34 2006-07-18 David Daney <ddaney@avtrex.com>
36 * gcc.c (display_help): Fix typo in help text.
38 2006-07-18 Olivier Hainque <hainque@adacore.com>
40 * tree.h (categorize_ctor_elements): Adjust prototype and add
41 descriptive comment, both in accordance with the interface change
43 * varasm.c (constructor_static_from_elts_p): New function.
44 Whether a constructor node is a valid static constant initializer
45 if all its elements are.
46 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
47 * output.h: Declare it.
48 * expr.c (categorize_ctor_elements_1): Return whether the constructor
49 is a valid constant initializer instead of computing the number of
50 non-constant elements. Use constructor_static_from_elts_p for this
51 purpose. Replace the head comment with an indication that this is a
52 helper for categorize_ctor_elements.
53 (categorize_ctor_elements): Same interface change as for the _1
54 helper. Former head comment from this helper moved here, adjusted to
55 account for the interface changes.
56 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
57 (all_zeros_p): Likewise.
58 * gimplify.c (gimplify_init_constructor): Decide whether we can make
59 static versions of the constructor from the categorize_ctor_elements
60 return value instead of the formerly computed number of non-constant
63 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
65 * configure: Regenerate.
66 * Makefile.in (build_libsubdir): New configure substitution
67 (build_libobjdir): New variable.
68 (BUILD_LIBIBERTY): Use it.
70 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
73 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
75 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
78 * c-common.c (handle_weakref_attribute): Ignore attribute in
79 the same conditions the alias attribute is ignored.
81 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
83 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
84 (dbxout_begin_prologue): Increment scope_labelno.
86 2006-07-17 Richard Henderson <rth@redhat.com>
89 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
92 2006-07-17 Roger Sayle <roger@eyesopen.com>
93 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
95 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
96 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
97 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
98 functions such as sbrk, write, etc.. Add function prototypes.
99 Convert function declarations from K&R to ISO C. Cast pointers
100 to "long" and "unsigned long" instead of "int" and "unsigned int".
101 Convert tokens following #endif into comments.
103 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
105 * invoke.texi: Remove mention of f77; Reformat table for
106 inline parameter options correctly; mention that -malign-double
107 is default on x86-64 targets.
109 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
111 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
112 (convert_affine_scev, chrec_convert_aggressive): Use
113 avoid_arithmetics_in_type_p. Do not check for the subtypes
116 2006-07-17 Richard Sandiford <richard@codesourcery.com>
119 * optabs.c (expand_doubleword_shift): Wrap the call to
120 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
122 2006-07-17 Richard Sandiford <richard@codesourcery.com>
125 * optabs.c (expand_binop): Pass next_methods rather than methods
126 to expand_doubleword_shift.
128 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
131 * tree.h (dump_addr): Declare.
132 * print-tree.c (dump_addr): New function.
133 (print_node_brief, print_node): Use it.
134 * print-rtl.c (print_rtx): Likewise.
135 * common.opt (-fdump-noaddr): New option.
136 * doc/invoke.texi (-fdump-noaddr): Document.
137 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
138 (ve_info_hash): Likewise.
140 2006-07-13 Andrew Haley <aph@redhat.com>
142 PR tree-optimization/19505
143 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
144 edge leaving this block, make sure that the destination of this
145 block has only one predecessor.
147 2006-07-17 Richard Guenther <rguenther@suse.de>
149 PR tree-optimization/28238
150 * tree-inline.c (copy_bb): Check if we produced valid
151 gimple copying and substituting a stmt. If not, gimplify
154 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
156 * optabs.c (maybe_encapsulate_block): New function extracted from...
157 (emit_libcall_block): ...here. Invoke it on the block of insns to
158 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
159 (emit_no_conflict_block): Likewise.
161 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
163 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
165 2006-07-15 Roger Sayle <roger@eyesopen.com>
167 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
168 a new NOP_EXPR case of the switch statement.
170 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
173 * stor-layout.c (place_field): Take the bit field with
174 an excessive size into account in the ms-bitfiled case.
177 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
178 the previous bit field.
180 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
183 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
185 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
187 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
188 signal frames correctly even when the signal was installed with
191 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
193 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
194 (dbxout_function_end): Use local label LFBB. Remove hook
196 (dbxout_source_line): Use local label LFBB.
197 (dbxout_block): Likewise.
198 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
199 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
200 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
203 2006-07-13 Janis Johnson <janis187@us.ibm.com>
205 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
207 2006-07-13 Jan Hubicka <jh@suse.cz>
209 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
211 * output.h (align_variable): Declare.
212 * varasm.c (align_variable): Export.
213 * value-prof.c (tree_value_profile_transformations): Recompute iterator
214 when basic block changed.
216 2006-07-13 Nick Clifton <nickc@redhat.com>
218 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
219 walking the LOG_LINKS chain.
221 2006-07-12 Geoffrey Keating <geoffk@apple.com>
223 * doc/invoke.texi (C++ Dialect Options): Explain difference
224 between -fvisibility-inlines-hidden and setting hidden
225 visibility explicitly.
227 2006-07-12 Eric Christopher <echristo@apple.com>
229 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
230 (stmp-lipo): Depend on libgcc.a.
232 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
234 * tree.c: Fix a comment typo.
236 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
238 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
240 (umulhisi3_r): Likewise.
242 2006-07-12 Paolo Carlini <pcarlini@suse.de>
245 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
246 x < 19, vs wchar_t support.
248 2006-07-12 Nick Clifton <nickc@redhat.com>
250 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
253 2006-07-12 Mike Stump <mrs@apple.com>
255 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
257 2006-07-10 Eric Christopher <echristo@apple.com>
259 * config/t-slibgcc-darwin: Rewrite.
261 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
264 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
267 2006-07-08 Matthias Klose <doko@debian.org>
269 * doc/sourcebuild.texi: Fix typo.
271 2006-07-07 Mike Stump <mrs@apple.com>
273 * toplev.c (process_options): Don't give -ffunction-sections may
274 affect debugging warning for Mach-O.
276 2006-07-07 James E Wilson <wilson@specifix.com>
278 * config/mips/mips.md (cpu): Add sb1a.
279 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
280 addition to sb1. Adjust comments to clarify SB-1A differences from
282 (ir_sb1a_load): New. Modify bypasses to use it.
283 (ir_sb1a_simple_alu): Likewise.
284 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
285 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
286 (mips_issue_rate): Add PROCESSOR_SB1A.
287 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
288 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
289 (TARGET_SB1): Add PROCESSOR_SB1A check.
290 (TUNE_SB1): Likewise.
292 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
293 * config/mips/mips.c (mips_store_data_bypass_p): New.
294 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
297 2006-07-08 Paul Brook <paul@codesourcery.com>
300 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
302 2006-07-07 Richard Guenther <rguenther@suse.de>
305 * tree.h (build_one_cst): Declare.
306 * tree.c (build_one_cst): New function.
307 * tree-ssa-math-opts.c (get_constant_one): Remove.
308 (insert_reciprocals): Use build_one_cst.
309 * fold-const.c (fold_plusminus_mult): Likewise.
311 2006-07-07 Roger Sayle <roger@eyesopen.com>
313 * pointer-set.c (pointer_set_destroy): Correct whitespace.
314 * cfgloopanal.c (dump_graph): Likewise.
315 * dojump.c (discard_pending_stack_adjust): Likewise.
316 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
318 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
319 * function.c (finalize_block_changes): Likewise.
320 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
321 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
322 * rtl.c (dump_rtx_statistics): Likewise.
323 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
325 * varray.c (dump_varray_statistics): Likewise.
326 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
327 decode_decimal64, encode_decimal128, decode_decimal128,
328 decimal_real_to_decimal): Likewise.
330 2006-07-07 Richard Guenther <rguenther@suse.de>
332 PR tree-optimization/28187
333 * tree-vrp.c (vrp_operand_equal_p): New function.
334 (vrp_bitmap_equal_p): Likewise.
335 (update_value_range): Use them to compare old and new
338 2006-07-06 Roger Sayle <roger@eyesopen.com>
340 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
341 a default case to switch statement to silence compiler warnings.
343 2006-07-06 Roger Sayle <roger@eyesopen.com>
346 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
347 the configured assembler supports the x87's ffreep mnemonic.
348 * configure: Regenerate.
349 * config.in: Regenerate.
351 * config/i386/i386.c (output_387_ffreep): New function.
352 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
353 (output_387_reg_move): Likewise.
355 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
357 Port to hosts whose 'sort' and 'tail' implementations
358 treat operands with leading '+' as file names, as POSIX
359 has required since 2001. However, make sure the code still
360 works on pre-POSIX hosts.
361 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
362 which says you should use "tail -c +N" rather than "tail +Nc".
363 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
365 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
367 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
370 2006-07-06 David Edelsohn <edelsohn@gnu.org>
373 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
374 PRE_{INC,DEC} of TFmode.
376 2006-07-06 David Edelsohn <edelsohn@gnu.org>
377 Alan Modra <amodra@bigpond.net.au>
380 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
383 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
386 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
387 Remove duplicate gtu.
389 2006-07-05 Jason Merrill <jason@redhat.com>
393 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
394 * c-common.c (handle_packed_attribute): So don't copy it here.
395 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
397 2006-07-05 Mike Stump <mrs@apple.com>
399 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
401 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
404 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
406 2006-07-05 Richard Guenther <rguenther@suse.de>
409 * config/i386/i386.md (*negdf2_1): Restrict pattern to
410 TARGET_SSE2 targets if using SSE math.
411 (*absdf2_1): Likewise.
413 2006-07-05 Richard Guenther <rguenther@suse.de>
415 PR tree-optimization/28162
416 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
417 make sure to convert the operands to the correct type.
419 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
421 PR tree-optimization/28218
423 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
424 to calculate and free the dominator information.
426 2006-07-04 Peter O'Gorman <peter@pogma.com>
428 * mklibgcc.in: chmod 644 before ranlib during install.
430 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
431 J"orn Rennecke <joern.rennecke@st.com>
433 * configure.ac (.eh_frame data check): Use diff -b.
435 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
438 * Makefile.in (BUILD_RTL): Add build/vec.o.
439 (build/gencondmd.o): Filter out -fkeep-inline-functions.
440 (build/genextract): Delete.
441 (build/genautomata): Likewise.
443 2006-07-04 Alan Modra <amodra@bigpond.net.au>
446 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
447 128-bit IBM long doubles for ABI_V4.
449 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
451 * tree.c (range_in_array_bounds_p): New predicate.
452 * tree.h (range_in_array_bounds_p): Declare it.
453 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
454 return a less conservative answer.
455 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
457 (IS_ELEMENT_FOR_GROUP): New macro.
458 (FOR_EACH_ACTUAL_CHILD): Likewise.
459 (next_child_for_group): New helper function.
460 (can_completely_scalarize_p): Take into account groups.
461 (sra_hash_tree): Handle RANGE_EXPR.
462 (sra_elt_eq): Likewise.
463 (lookup_element): Be prepared for handling groups.
464 (is_valid_const_index): Delete.
465 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
466 instead of is_valid_const_index.
467 <ARRAY_RANGE_REF>: New case.
468 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
469 is_valid_const_index.
470 <ARRAY_RANGE_REF>: Do not unconditionally punt.
471 (scan_dump): Dump info for groups too.
472 (decide_instantiation_1): Likewise.
473 (decide_block_copy): Assert that the element is not a group.
474 Propagate decision to groups.
475 (generate_one_element_ref): Handle RANGE_EXPR.
476 (mark_no_warning): Iterate over actual childs.
477 (generate_copy_inout): Likewise.
478 (generate_element_copy): Likewise.
479 (generate_element_zero): Likewise.
480 (generate_element_init_1): Likewise.
481 (dump_sra_elt_name): Handle RANGE_EXPR.
483 2006-07-03 Roger Sayle <roger@eyesopen.com>
485 PR tree-optimization/26251
486 * tree-ssa-threadupdate.c (redirection_block_p): New function.
487 (thread_block): When optimizing for size refuse to thread jumps
488 that would require duplication of blocks other than redirection
491 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
493 * configure.ac: Fix thinko in previous check-in.
494 * configure: Regenerate.
496 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
499 * configure.ac (for lang...): Simplify nesting of conditionals.
500 Test subdir_requires for non-enabled languages. Move processing
501 of lang_opt_files and lang_tree_fiels below that test.
502 * configure: Regenerate.
503 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
505 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
507 * doc/gcov.texi (Invoking Gcov): Add a missing word.
509 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
511 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
514 2006-06-29 Jason Merrill <jason@redhat.com>
521 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
522 * c-common.c (c_determine_visibility): Handle it here.
523 * c-decl.c (finish_decl): Call c_determine_visibility for
525 * flags.h (enum symbol_visibility): Sort from most to least visibility.
527 * varasm.c (default_assemble_visibility): Likewise.
528 * c-common.c (handle_visibility_attribute): Complain about trying
529 to give visibility to an already defined class, or trying to change
530 declared visibility. Always attach the attribute.
535 * attribs.c (decl_attributes): Ignore type-in-place attributes
536 once the type has been defined.
538 2006-06-29 Roger Sayle <roger@eyesopen.com>
541 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
542 to indicate the cpplib has issued an error message for us.
544 2006-06-29 Asher Langton <langton2@llnl.gov>
547 * config/i386/i386.c (ix86_output_function_epilogue): Don't
548 insert a label at the end of an function under Mach-O.
550 2006-06-29 Eric Christopher <echristo@apple.com>
551 Evan Cheng <evan.cheng@apple.com>
553 * predicates.md (vector_all_ones_operand): New.
554 (nonimmediate_or_sse_const_operand): Ditto.
555 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
556 * config/i386/i386.c (standard_sse_constant_opcode): Define.
557 (standard_sse_mode_p): Ditto.
558 (standard_sse_constant_p): Add case for -1 vector.
559 (ix86_expand_vector_move): Try to use.
560 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
561 Call standard_sse_constant_opcode.
562 (*movv4sf_internal): Ditto.
563 (*movv2df_internal): Ditto.
565 2006-06-29 Roger Sayle <roger@eyesopen.com>
567 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
568 of XEXP to extract the operands of a MATCH_CODE rtx.
570 2006-06-28 Andrew Pinski <pinskia@gmail.com>
572 * tree.c (tree_size): Do not waste tail padding in
573 struct tree_string and make the size be the same as
574 build_string will generate.
576 2006-06-28 Jason Merrill <jason@redhat.com>
579 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
580 may_aliases already in the tag's annotations to the bitmap.
582 2006-06-28 Roger Sayle <roger@eyesopen.com>
584 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
586 2006-06-28 Roger Sayle <roger@eyesopen.com>
588 * genpreds.c (generate_switch_p): New function.
589 (add_mode_tests): Push the new mode test down inside an AND expr
590 if this allows the switch-suitable MATCH_CODE to be near the root.
591 (write_match_code_switch): New function to write a MATCH_CODE as
593 (write_predicate_stmts): New function to write a predicate RTX
594 expression as a sequence of statements.
595 (write_one_predicate_function): Use write_predicate_stmts.
596 (write_tm_constrs_h): Likewise.
598 2006-06-26 Fred Fish <fnf@specifix.com>
600 * config/mips/t-sb1: New file.
601 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
604 2006-06-26 DJ Delorie <dj@redhat.com>
606 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
608 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
609 Jayant Sonar <jayants@kpitcummins.com>
610 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
612 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
613 (subsi3, subsi3_1, subsi3_2): New.
614 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
615 * config/m32c/mov.md (SI mov peephole): New.
616 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
617 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
619 2006-06-26 Olivier Hainque <hainque@adacore.com>
621 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
622 a CALL_EXPR target function declaration.
624 2006-06-26 Richard Guenther <rguenther@suse.de>
626 * tree.c (build_string): Do not waste tail padding in
629 2006-06-26 Richard Guenther <rguenther@suse.de>
631 * ggc-page.c (init_ggc): Add missing element to size_lookup
635 2006-06-23 Richard Guenther <rguenther@suse.de>
637 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
638 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
639 alignment requests instead. Add verification code.
640 Add struct tree_function_decl and struct tree_binfo size to
641 extra_order_size_table. Add missing element to size_lookup
644 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
647 * fold-const.c (const_binop): Be prepared for self returning zero.
648 Simplify code handling complex values.
650 2006-06-24 Olivier Hainque <hainque@adacore.com>
652 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
653 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
656 2006-06-24 Olivier Hainque <hainque@adacore.com>
658 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
659 ARRAY_REF, so have the callback called for the low bound expression.
661 2006-06-23 Janis Johnson <janis187@us.ibm.com>
663 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
664 * c-typeck.c (c_common_type): Disallow operations on decimal float
665 types and other float types.
666 * convert.c (convert_to_real): Don't ignore conversions involving
669 2006-06-23 Olivier Hainque <hainque@adacore.com>
671 * tree.c (max_int_size_in_bytes): New function, inspired from
672 code in function.c:assign_temp.
673 * tree.h (max_int_size_in_bytes): Declare.
674 * function.c (assign_temp): Use it.
675 * gimplify.c (create_tmp_var): Relax the assertions on the type
676 properties, not mandating constant size any more.
677 (force_constant_size): New static function.
678 (gimple_add_tmp_var): Use it, forcing variable size to a
679 constant upper bound if it is not constant on entry.
681 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
684 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
685 for initialization and setting of one_only flag to ...
686 (i386_pe_encode_section_info): ...here.
687 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
688 Recheck that the symbol has not been defined.
690 2006-06-23 Richard Guenther <rguenther@suse.de>
692 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
693 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
694 alignment requests instead. Add verification code.
695 Add struct tree_function_decl and struct tree_binfo size to
696 extra_order_size_table. Add missing element to size_lookup
699 2006-06-22 Roger Sayle <roger@eyesopen.com>
700 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
703 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
704 call to lang_hooks.types.type_for_mode returned NULL_TREE.
706 2006-06-23 Ben Elliston <bje@au.ibm.com>
708 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
709 negate dn -- manipulate it directly.
711 2006-06-22 Roger Sayle <roger@eyesopen.com>
712 Steven Bosscher <stevenb.gcc@gmail.com>
715 * reload1.c (gen_reload): Call mark_jump_label on the new insns
716 generated by gen_move_insn to add REG_LABEL notes if necessary.
718 2006-06-22 Bob Wilson <bob.wilson@acm.org>
720 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
721 (leaf_entry): Remove use of MIN_ESA.
723 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
725 PR rtl-optimization/28121
726 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
729 2006-06-21 DJ Delorie <dj@redhat.com>
731 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
733 (mulhisi3_r): Likewise.
735 2006-06-21 Richard Sandiford <richard@codesourcery.com>
738 * coverage.c (coverage_counter_alloc): Leave the index type
740 (coverage_counter_alloc): Use null arguments for operands 2 and 3
743 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
745 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
746 section from the "Options for Code Generation Conventions".
748 2006-06-21 Richard Henderson <rth@redhat.com>
752 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
754 (global_symbolic_operand): Allow weak symbols, even if local_p.
756 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
758 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
759 (find_interesting_uses_address): Punt if above function returns true.
761 2006-06-21 Richard Guenther <rguenther@suse.de>
763 * configure: Regenerated.
765 2006-06-21 Joseph Myers <joseph@codesourcery.com>
767 * config/mips/mips.c (function_arg): Where one part of a
768 complex argument is in registers and the other part in the stack,
769 return a REG not a PARALLEL.
771 2006-06-21 Mark Mitchell <mark@codesourcery.com>
773 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
774 when cross-compiling. Do not substitute libstdcxx_incdir.
775 * configure: Regenerated.
777 2006-06-21 Jakub Jelinek <jakub@redhat.com>
779 * varasm.c (mergeable_string_section): Check for embedded NULs and
780 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
781 rather than TREE_STRING_LENGTH bytes.
783 2006-06-21 Richard Guenther <rguenther@suse.de>
785 * ggc-page.c (extra_order_size_table): Add var_ann_d,
786 tree_ssa_name, bitmap_element and phi_node with 4 arguments
789 2006-06-21 Richrad Guenther <rguenther@suse.de>
791 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
792 Limit iteration over the dominators.
794 2006-06-20 Roger Sayle <roger@eyesopen.com>
796 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
797 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
799 2006-06-20 Richard Guenther <rguenther@suse.de>
800 Michael Matz <matz@suse.de>
802 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
804 * alloc-pool.c (free_alloc_pool_if_empty): New function.
805 * et-forest.h (et_free_pools): Prototype new function.
806 * et-forest.c (et_free_tree_force): Free parent occurrence.
807 (et_free_pools): New function.
808 * dominance.c (free_dominance_info): Free et-forest alloc
811 2006-06-20 Roger Sayle <roger@eyesopen.com>
813 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
814 integer modes, attempt to directly construct an integer constant.
816 * fold-const.c (native_encode_vector): Determine the size of each
817 element from the vector type instead of the first vector element.
819 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
820 if all of its elements/components are constant.
821 (build_constructor_from_list): Likewise.
823 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
825 PR tree-optimization/27331
826 * tree-data-ref.c (free_data_ref): New function.
827 (create_data_ref): Fail if the data reference has unknown access
829 (free_data_refs): Use free_data_ref.
831 2006-06-19 Andrew Pinski <pinskia@gmail.com>
834 * tree-inline.c (setup_one_parameter): Strip useless
835 type conversion before adding it to the IR.
836 (declare_return_variable): Likewise.
838 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
841 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
843 2006-06-19 Mike Stump <mrs@apple.com>
845 * tree.c (variably_modified_type_p): VM arguments don't make the
848 2006-06-19 Richard Guenther <rguenther@suse.de>
850 * tree-ssa-pre.c (try_combine_conversion): Strip useless
851 type conversions after folding.
853 2006-06-19 Richard Guenther <rguenther@suse.de>
855 * ggc-page.c (extra_order_size_tab): Add entries with
856 size of struct function and basic_block.
857 (size_lookup): Extend to cover sizes up to 511.
858 (ggc_alloc_stat): Adjust user.
859 (ggc_pch_count_object): Likewise.
860 (ggc_pch_alloc_object): Likewise.
861 (ggc_pch_write_object): Likewise.
863 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
865 * tree-ssa-loop-niter.c (implies_ge_p): New function.
866 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
869 2006-06-19 Denis Chertykov <denisc@overta.ru>
871 * config/avr/libgcc.S : Correct my wrong previous commit.
873 2006-06-19 Roger Sayle <roger@eyesopen.com>
876 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
877 have stripped a SUBREG from the shift count, so we may need to
878 convert_to_mode back to the type's mode before calling make_tree.
879 Use new_amount instead of amount to avoid expanding a tree twice.
881 2006-06-19 Richard Guenther <rguenther@suse.de>
884 * fold-const.c (operand_equal_p): Check if the argument types
885 have the same precision before stripping NOPs.
887 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
889 Fix PR tree-optimization/27341
890 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
892 * tree-complex.c (pass_lower_complex): Update SMT usage.
894 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
896 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
897 Add a new alternative to the constraint strings. Add move of
898 operand 1 to 3 to the splitter definition.
899 ("doloop_si_long"): Second contraint alternative removed.
901 2006-06-08 Anatoly Sokolov <aesok@post.ru>
903 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
904 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
906 (AVR_HAVE_MOVW) Define.
907 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
908 (ASM_SPEC): Add avr25.
909 (LINK_SPEC): Add avr25.
910 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
911 (base_arch_s): Add new member 'have_movw_lpmx'.
912 (avr_arch_types): Init 'have_movw_lpmx'.
913 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
914 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
915 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
916 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
917 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
919 (avr_file_start): Do not output '.arh' derective.
920 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
921 (__do_copy_data): Use __AVR_HAVE_LPMX__.
922 * config/avr/avr.md (mcu_enhanced): Delete.
923 (mcu_have_movw): Define.
924 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
925 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
926 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
927 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
928 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
929 attiny861 and at86rf401 devices.
931 2006-06-18 Jie Zhang <jie.zhang@analog.com>
933 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
936 2006-06-17 Karl Berry <karl@gnu.org>
938 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
939 doc/gccint.texi, doc/install.texi (@dircategory): Use
940 "Software development" instead of "Programming", following
941 the Free Software Directory.
943 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
945 * config/i386/i386.c (legitimate_tls_address)
946 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
947 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
948 (*tls_dynamic_gnu2_combine_64): Likewise.
950 2006-06-16 Richard Guenther <rguenther@suse.de>
953 * fold-const.c (negate_expr_p): Do not introduce undefined
954 overflow in negating INTEGER_CSTs.
955 (fold_negate_expr): Rename from negate_expr. Revert last
956 change for folding BIT_NOT_EXPR. Change semantics to
957 return NULL_TREE for non-simplified negations. Do not
958 strip type conversions and unify type handling.
959 (negate_expr): New function, wrap around fold_negate_expr
960 but ensure building a tree always. Strip type conversions
961 here, fold to result type.
962 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
964 2006-06-16 Roger Sayle <roger@eyesopen.com>
967 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
968 that (would) return their results in stack registers.
970 2006-06-16 Michael Matz <matz@suse.de>
971 Richard Guenther <rguenther@suse.de>
973 * fold-const.c (fold_truthop): Only return new tree node if
974 we canonicalized something.
976 2006-06-16 Richard Guenther <rguenther@suse.de>
978 * function.h (enum function_frequency): Move declaration
979 out of struct function.
980 (struct function): Move bool fields and the enum to the bitfield
981 section. Reorder elements to avoid padding. Remove unused
982 fields left over from the RTL inliner removal.
983 * function.c (free_after_compilation): Do not zero removed fields.
984 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
985 (ipa-type-escape.o): Likewise.
987 2006-06-16 Richard Guenther <rguenther@suse.de>
989 * cgraph.h (struct cgraph_local_info): Turn bool elements
991 (struct cgraph_node): Likewise.
992 (struct cgraph_varpool_node): Likewise.
994 2006-06-15 Richard Guenther <rguenther@suse.de>
996 * fold-const.c (fold_truth_not_expr): Rename from
997 invert_truthvalue. Give it fold_* semantics to avoid
999 (invert_truthvalue): New function. Wrapper around
1000 fold_truth_not_expr.
1001 (optimize_minmax_comparison): Avoid creating garbage.
1002 (fold_unary): Use fold_truth_not_expr for folding
1004 (fold_ternary): Replace uses of invert_truthvalue with
1005 fold_truth_not_expr where applicable.
1006 * tree.h (fold_truth_not_expr): Prototype.
1008 2006-06-16 Richard Guenther <rguenther@suse.de>
1010 PR tree-optimization/27781
1011 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1012 * ipa-pure-const.c (target.h): Include.
1013 (analyze_function): Do not analyze functions that do not
1016 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1019 * tree-dfa.c (referenced_vars_dup_list): Remove.
1020 (find_referenced_vars): Remove assert.
1021 (referenced_var_check_and_insert): Replace dup list with assert.
1022 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1023 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1025 2006-06-15 Richard Guenther <rguenther@suse.de>
1027 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1028 extra unused identifiers if not dumping.
1029 (create_variable_info_for): Likewise.
1031 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1033 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1034 (derive_constant_upper_bound): Derive more precise upper bound in
1035 common cases. Return type changed to double_int.
1036 (record_estimate): Reflect the changed return type of
1037 derive_constant_upper_bound.
1038 * double-int.c (double_int_zext, double_int_sext): Fix.
1040 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1042 * configure.ac (CFLAGS): Get them from the toplevel or from the
1043 configure invocation.
1044 * configure: Regenerate.
1045 * Makefile.in (CFLAGS): Substitute value provided by configure.
1047 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1050 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1051 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1052 rather than calling add_stmt on it.
1053 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1055 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1058 * reload1.c (reload): Remove registers returned by update_eliminables
1059 from used_spill_regs.
1061 2006-06-13 DJ Delorie <dj@redhat.com>
1063 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1065 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1067 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1068 html__strip_dir, html__mkdir_p. Enhance install-html target.
1069 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1070 * configure: Regenerate.
1072 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1074 * fold-const.c (fold_cond_expr_with_comparison): Check for
1075 Objective-C++ as language in deciding COND_EXPR transformation.
1077 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1080 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1081 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1082 * config/sh/lib1funcs.h (SL, SL1): Define.
1083 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1084 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1085 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1086 (OBJS_Os_4_200): New variable.
1087 ($(T)libgcc-Os-4-200.a): Use it.
1088 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1089 when dividing 1 and/or by 0.
1091 2006-06-13 Roger Sayle <roger@eyesopen.com>
1093 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1094 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1095 * configure: Regenerate.
1097 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1099 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1100 for real instruction.
1102 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1105 * haifa-sched.c (check_cfg): Handle special case.
1107 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1110 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1111 Add debug_info parameter. Chain the vars to the BLOCK instead
1112 of the BIND_EXPR if debug info are requested for them.
1113 (pop_gimplify_context): Adjust for above change.
1114 (gimple_add_tmp_var): Likewise.
1115 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1117 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1118 (convert_local_reference): Likewise.
1119 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1120 (finalize_nesting_tree_1): Request that debug info be emitted
1121 for debug_var_chain.
1123 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1125 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1126 for PR target/27863.
1128 2006-06-13 Richard Guenther <rguenther@suse.de>
1131 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1133 2006-06-13 Richard Guenther <rguenther@suse.de>
1135 PR tree-optimization/27830
1136 * tree-inline.c (copy_body_r): For copying the operand
1137 of an ADDR_EXPR make sure to fold &* afterwards.
1139 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1141 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1142 lvalues in the fb_none case with side-effects.
1144 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1146 * tree-flow.h: Remove the prototype for
1147 compute_phi_arg_on_exit.
1148 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1149 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1152 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1154 * builtins.c (expand_builtin_return_addr): Only use
1155 frame_pointer_rtx when count == 0 and we are expanding
1156 __builtin_return_address.
1158 2006-06-12 Fred Fish <fnf@specifix.com>
1160 * config/mips/mips.c (mips_file_start): Create special section
1161 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1163 2006-06-11 Eric Christopher <echristo@apple.com>
1166 * stor-layout.c (place_field): Remove check for
1167 remaining_in_alignment when aligning at the end of a run.
1169 2006-06-11 Eric Christopher <echristo@apple.com>
1172 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1175 2006-06-11 Roger Sayle <roger@eyesopen.com>
1178 Revert incorrect fix for PR target/27158
1179 2006-05-08 Roger Sayle <roger@eyesopen.com>
1180 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1181 of a reg_equiv_constant if the result is a legitimate constant.
1183 2006-06-11 Roger Sayle <roger@eyesopen.com>
1186 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1187 extract a CONST_VECTOR element and interpret it as an integer.
1188 (vspltis_constant): Use const_vector_elt_as_int instead of the
1189 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1190 * config/rs6000/predicates.md (easy_vector_const): Consider
1191 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1193 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1196 * stor-layout.c (update_alignment_for_field): Don't add extra
1197 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1200 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1202 * config/mips/t-rtems: Add EL/EB multilib variants.
1204 2006-06-09 Mike Stump <mrs@apple.com>
1206 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1208 2006-06-09 David Daney <ddaney@avtrex.com>
1210 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1212 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1214 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1216 2006-06-09 Richard Guenther <rguenther@suse.de>
1218 PR tree-optimization/26998
1219 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1220 of signed types, only TYPE_MIN_VALUE is special, but for both,
1221 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1222 in this case, as is -fwrapv.
1224 2006-06-08 Mike Stump <mrs@apple.com>
1227 * config/darwin.c (darwin_asm_output_anchor): Disable
1228 -fsection-anchors on darwin for now.
1229 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1230 * rs6000/rs6000.c (optimization_options): Likewise.
1232 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1235 * config/i386/i386.c (classify_argument): Skip fields with invalid
1238 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1240 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1241 (cse_insn): Likewise for the stack_pointer_rtx.
1243 2006-06-08 Roger Sayle <roger@eyesopen.com>
1245 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1246 conditions from floating point comparisons.
1248 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1251 * expmed.c (struct alg_hash_entry): Fix type of field T
1252 to match synth_mult argument.
1253 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1255 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1258 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1261 2006-06-08 Richard Guenther <rguenther@suse.de>
1264 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1265 only, if overflow is defined and not trapping.
1266 (negate_expr): Likewise.
1268 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1270 PR tree-optimization/27872
1271 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1272 flag on the new exit edge of the unrolled loop.
1274 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1276 PR rtl-optimization/26449
1277 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1279 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1282 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1283 referenced_variables with matching DECL_UID's.
1284 (find_referenced_vars): Make sure duplicate list is empty to start.
1285 (referenced_var_p): Remove.
1286 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1287 Check if var is in the list, and add if needed. Update the duplicate
1288 list if a different var is in the list with the same DECL_UID.
1289 (add_referenced_var): Call routine to check and insert.
1290 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1291 * tree-flow.h (referenced_vars_dup_list): External declaration.
1293 2006-06-07 Fred Fish <fnf@specifix.com>
1295 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1298 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1301 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1302 the imaginary and real parts of a clobbered register.
1303 Emit insn to set the imaginary part.
1305 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1307 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1308 in lieu of unwind-dw2-fde.c.
1310 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1312 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1314 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1317 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1318 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1319 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1320 V4SImode temporaries and operations instead.
1322 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1324 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1327 2006-06-06 Mike Stump <mrs@apple.com>
1329 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1330 installing during build.
1332 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1334 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1336 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1337 * config/ia64/ia64.c (params.h): New header.
1338 (ia64_optimization_options): New function to adjust parameters.
1339 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1340 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1341 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1343 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1345 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1347 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1350 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1352 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1353 Victor Kaplansky <victork@il.ibm.com>
1355 PR tree-optimization/26360
1356 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1359 2006-06-04 Roger Sayle <roger@eyesopen.com>
1360 Andrew Pinski <pinskia@physics.uc.edu>
1363 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1364 for LABEL_DECL before calling DECL_WEAK.
1367 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1368 LABEL_DECL and PARM_DECL.
1370 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1374 * c-decl.c (grokdeclarator): Disallow variably modified types at
1375 file scope. Avoid marking shared array type of constant size as
1378 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1381 * c-common.c (fold_offsetof_1): Handle static members.
1383 2006-06-04 Eric Christopher <echristo@apple.com>
1385 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1386 (debug_rli): Output value for remaining_in_alignment.
1387 (update_alignment_for_field): Unconditionalize
1388 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1389 extra alignment code.
1390 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1391 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1392 * tree.h (record_layout_info_s): Remove prev_packed.
1393 * doc/extend.texi (ms_struct): Add documentation of format.
1395 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1397 * tree.h: Declare folding_initializer.
1398 * builtins.c (fold_builtin_constant_p): Give definite answer
1399 if folding inside an initializer.
1400 * fold-const.c: Define folding_initializer.
1401 (START_FOLD_INIT): Save and then set folding_initializer.
1402 (END_FOLD_INIT): Restore folding_initializer.
1404 2006-06-04 Richard Guenther <rguenther@suse.de>
1406 PR tree-optimization/27039
1407 * fold-const.c (fold_comparison): Handle pointer comparison
1408 again for all comparison codes. Compare offsets in signed
1410 (fold_binary): Move code from here.
1412 2006-06-03 Roger Sayle <roger@eyesopen.com>
1415 * config/i386/i386.c (construct_container): Split static issued_error
1416 flag into issued_sse_arg_error, issued_sse_ret_error and
1417 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1418 requires the use of x87 registers and the user explicitly
1419 specified the -mno-80387 command line option.
1421 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1423 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1424 HAVE_DECL_SIGALTSTACK.
1426 (segv_handler): Use MC_FLD.
1427 * configure.ac: Check for a sigaltstack declaration.
1428 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1429 * configure: Regenerate.
1430 * config.in: Regenerate.
1432 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1435 * Makefile.in (stmp-fixinc): Fix typo.
1437 2006-06-02 Roger Sayle <roger@eyesopen.com>
1439 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1440 are type correct. Clean-up.
1441 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1442 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1444 2006-06-01 DJ Delorie <dj@redhat.com>
1446 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1447 shift, as we've disabled the "switch" insn that needs it.
1449 2006-06-01 Per Bothner <bothner@bothner.com>
1451 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1452 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1453 * c-ppoutput.c (cb_define): Don't increment line 0.
1455 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1457 * doc/invoke.texi: Add cpu_type power6.
1458 * config.gcc: Add cpu_type power6.
1459 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1460 to power5+ with Altivec.
1461 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1462 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1464 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1466 * config/avr/avr.h (SET_ASM_OP): Define.
1468 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1470 * config/bfin/bfin.c: Fix comment typos.
1472 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1475 * doc/install.texi: Document --enable-bootstrap and
1476 --disable-bootstrap.
1478 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1480 * doc/install.texi: Document that InfoZIP can replace jar.
1482 2006-05-31 Roger Sayle <roger@eyesopen.com>
1484 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1485 isn't available, directly generate the simpler x87 patterns without
1486 the (use (const_int 0)).
1487 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1488 implementation isn't available.
1489 (*negdf2_1): Likewise.
1490 (*negxf2_1): XF mode negation is always done using the x87.
1491 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1493 2006-05-31 Roger Sayle <roger@eyesopen.com>
1495 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1496 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1498 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1500 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1502 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1503 * config/bfin/bfin.c (basic-block.h): Include.
1504 (struct machine_function): New.
1505 (bfin_init_machine_status): New.
1506 (override_options): Initialize init_machine_status.
1507 (bfin_hardware_loop): New.
1508 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1509 (DEF_VEC_P (loop_info)): New.
1510 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1511 (struct loop_info): New.
1512 (loop_info): New typedef.
1513 (struct loop_work): New.
1514 (loop_work): New typedef.
1515 (DEF_VEC_O (loop_work)): New.
1516 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1517 (bfin_dump_loops): New.
1518 (bfin_bb_in_loop): New.
1519 (bfin_scan_loop): New.
1520 (bfin_optimize_loop): New.
1521 (bfin_reorg_loops): New.
1522 (bfin_reorg): Use bfin_reorg_loops.
1523 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1525 (I_REGNO_P): Simplify.
1526 (DP_REGNO_P, DPREG_P): New macros.
1527 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1528 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1529 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1530 Add LT_REGS, LC_REGS, LB_REGS.
1531 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1533 (REGNO_REG_CLASS): Deal with loop registers.
1534 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1536 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1537 New constants for loop registers.
1538 (UNSPEC_LSETUP_END): New.
1539 (seq_insns): New define_attr. Set it for appropriate insns.
1540 (movsi_insn): Add alternatives for move from/to
1541 loop count registers.
1542 (doloop_end): New define_expand.
1543 (loop_end): New define_insn.
1544 (define_split for bad doloop_end): New.
1545 (lsetup_with_autoinit): New define_insn.
1546 (lsetup_without_autoinit): New define_insn.
1547 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1548 * config/bfin/predicates.md (lc_register_operand): New.
1549 (lt_register_operand): New.
1550 (lb_register_operand): New.
1551 (nondp_register_operand): New.
1552 (nondp_reg_or_memory_operand): New.
1553 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1555 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1557 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1558 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1560 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1562 * Makefile.in (CATALOGS): Add po/ prefix.
1563 * configure: Regenerated.
1565 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1568 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1569 a shift operand before calling shift_op. Avoid redundant call of
1572 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1573 DJ Delorie <dj@redhat.com>
1575 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1576 we're inserting is a singlt-bit constant.
1578 2006-05-30 Roger Sayle <roger@eyesopen.com>
1580 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1581 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1583 2006-05-30 Roger Sayle <roger@eyesopen.com>
1585 PR tree-optimization/23452
1586 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1587 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1588 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1589 complex values and with -ffast-math for FP complex values.
1591 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1593 * c-common.h: Remove the prototype for yyparse.
1594 * rtl.h: Remove the prototype for init_loop.
1596 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1598 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1601 2006-05-30 Roger Sayle <roger@eyesopen.com>
1603 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1605 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1606 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1608 2006-05-30 Dirk Mueller <dmueller@suse.de>
1611 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1612 for CONSTANT_CLASS_P expresisons.
1614 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1617 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1619 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1621 PR tree-optimization/27779
1622 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1623 initial_condition instead of CHREC_LEFT.
1625 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1627 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1628 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1629 Make prototypes ISO C90.
1631 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1632 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1634 * see.c (see_analyze_one_def): Correct check.
1635 (see_get_extension_data): Check if extension is parallel.
1636 (see_get_extension_reg): Likewise.
1638 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1641 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1642 into register for (code == GTU).
1644 2006-05-29 Roger Sayle <roger@eyesopen.com>
1646 PR tree-optimization/24964
1647 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1648 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1649 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1650 abs(x)*abs(x) as x*x for scalar floating point modes.
1652 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1655 * lambda-code.c (perfect_nestify): Don't copy statements
1656 in the inner loop: move them to the inner loop header.
1658 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1661 * c-tree.texi: Document OpenMP directives and clauses.
1663 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1665 * varasm.c (globalize_decl): Fix indentation.
1667 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1670 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1671 pass_fre, pass_store_ccp, pass_copy_prop,
1672 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1673 pass_return_slot, pass_object_size, pass_lim,
1674 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1675 pass_loop_prefetch and pass_stdarg.
1677 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1679 * config/bfin/bfin.opt (mfdpic): New option.
1680 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1681 (EXTRA_MULTILIB_PARTS): Likewise.
1682 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1683 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1685 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1686 (CRT_CALL_STATIC_FUNCTION): New.
1687 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1689 (CRT_CALL_STATIC_FUNCTION): New.
1690 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1692 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1693 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1694 (initialize_trampoline): Changed to handle FD-PIC code generation.
1695 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1696 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1697 (override_options): Disallow -mid-shared-library -mfdpic combination.
1698 Can't do unaligned ops if FD-PIC.
1699 Turn off flag_pic if trying to generate non-id-shared-library
1700 non-fdpic code, since it's not supported.
1701 (bfin_assemble_integer): New function.
1702 (TARGET_ASM_INTEGER): Define.
1703 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1705 * config/bfin/crtn.s: Restore them.
1706 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1708 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1709 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1710 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1711 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1712 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1714 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1715 FDPIC_REGS and FDPIC_FPTR_REGS.
1716 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1717 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1718 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1719 (load_funcdescsi): New pattern.
1720 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1721 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1722 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1724 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1726 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1729 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1731 * tree-flow.h: Remove the prototype for add_type_alias.
1732 * tree-ssa-alias.c (add_type_alias): Remove.
1734 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1736 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1737 config/fr30/fr30.md, config/i386/i386-interix.h,
1738 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1739 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1740 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1741 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1742 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1743 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1744 Follow spelling conventions.
1745 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1746 Follow spelling conventions.
1748 2006-05-27 Richard Guenther <rguenther@suse.de>
1751 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1752 to produce a constant of value 1 of generic type.
1754 2006-05-27 Dirk Mueller <dmueller@suse.de>
1756 * cgraphunit.c (decide_is_function_needed): Fix wrong
1759 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1761 PR rtl-optimization/27661
1762 * reload.c (find_reloads): When reloading a VOIDmode constant
1763 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1764 use Pmode as mode of the reload register.
1766 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1768 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1769 is enabled at -O and above.
1771 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1774 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1777 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1780 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1781 for anonymous variables explicitly declared by front ends.
1783 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1785 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1786 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1787 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1788 ref-all pointers, run a finalization pass for them.
1789 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1790 (finalize_ref_all_pointers): New function.
1791 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1792 regular pointer type to a ref-all pointer type.
1793 (get_tmt_for): Return the special memory tag for ref-all pointers.
1795 2006-05-25 Richard Guenther <rguenther@suse.de>
1798 * fold-const.c (fold_binary): Do not look at the stripped
1799 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1801 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1803 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1804 for LT and GT if the computed range is effectively empty.
1806 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1809 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1810 mips_quad_format formats instead of ieee_single_format,
1811 ieee_double_format and ieee_quad_format formats, respectively.
1813 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1815 PR tree-optimization/27639
1816 PR tree-optimization/26719
1817 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1818 call to scev_probably_wraps_p.
1819 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1820 used_in_pointer_arithmetic_p, convert_step): Removed.
1821 (nowrap_type_p): New function.
1822 (scev_probably_wraps_p): Rewritten.
1823 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1824 chrec_convert if chrec_convert_aggressive might have been used.
1825 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1826 scev_direction): New functions.
1827 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1828 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1829 instead of convert_step.
1830 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1831 (convert_step): Declaration removed.
1832 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1834 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1836 * df-core.c: Added to header comments.
1837 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1838 df_ur_bb_info, df_urec_bb_info): Added comments.
1839 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1840 urec, ri problems): Fixed header comments.
1841 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1842 code from df_rd_transfer_function.
1844 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1846 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1847 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1848 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1850 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1852 * expr.c (undefined_operand_subword_p): New.
1853 (emit_move_multi_word): Do not generate move from undefined bits
1854 of a paradoxical subreg.
1856 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1858 PR rtl-optimization/27736
1859 * combine.c (replaced_rhs_value): New variable.
1860 (combine_instructions): Set it.
1861 (distribute_notes): When distributing a note in replaced_rhs_insn,
1862 check whether the value was used in replaced_rhs_value.
1864 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1867 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1868 add_referenced_var instead of add_referenced_tmp_var.
1869 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1870 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1872 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1873 tree_optimize_tail_calls_1): Use add_referenced_var.
1874 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1875 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1876 Use add_referenced_var.
1877 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1878 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1879 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1880 Use add_referenced_var.
1881 * tree-dfa.c (struct walk_state): Remove.
1882 (find_referenced_vars): Remove walk state and vars_found hash table.
1883 (make_rename_temp): Use add_referenced_var.
1884 (find_vars_r): Pass less parameters to add_referenced_var.
1885 (referenced_var_p): New. Is var in referenced_var hash table.
1886 (referenced_var_insert): Assert var isn't already in hash table.
1887 (add_referenced_var): Don't need walk_state parameter. Add var if it
1888 isn't already in the hash table.
1889 (add_referenced_tmp_var): Remove.
1890 (find_new_referenced_vars_1): Use add_referenced_var.
1891 * tree-ssa-pre.c (create_expression_by_pieces,
1892 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1893 Use add_referenced_var.
1894 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1895 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1896 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1898 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1899 vect_create_data_ref_ptr, vect_create_destination_var,
1900 vect_init_vector, vect_build_loop_niters,
1901 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1902 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1903 Use add_referenced_var.
1904 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1905 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1906 (add_referenced_var): Add prototype.
1907 * tree-ssa-structalias.c (get_constraint_for,
1908 intra_create_variable_infos): Use add_referenced_var.
1910 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1912 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1913 big-endian paradoxical subregs.
1914 * var-tracking.c (struct micro_operation_def): Document that,
1915 for modify micro operations, insn is the subsequent instruction.
1916 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1917 (var_reg_set, var_mem_set): ... new functions.
1918 (add_stores): Record subsequent insn.
1919 (compute_bb_dataflow): Use new functions for MO_USE.
1920 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1921 notes after the insn, and modify notes before the insn known
1922 to be the subsequent one.
1923 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1925 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1928 * config/i386/i386.c (ix86_expand_builtin): Use
1929 gen_sse3_monitor64 for TARGET_64BIT.
1931 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1933 PR rtl-optimization/26375
1934 PR rtl-optimization/26855
1935 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1937 (df_ru_bb_local_compute): Reversed statements and removed bogus
1938 comment explaining why they should be in wrong order.
1939 (df_ru_dump, df_rd_dump): Enhanced debug info.
1940 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1942 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1943 reaching uses and fixed space problem.
1945 2006-05-23 Jan Hubicka <jh@suse.cz>
1947 * cgraphunit.c (decide_is_function_needed): Also nested functions
1948 and functions declared inline can be optimized out at -O0.
1950 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1952 * doc/install.texi (Configuration): Remove reference to CrossGCC
1956 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1959 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1960 ix86_compare_emitted is non-NULL.
1962 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1965 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1968 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1970 PR rtl-optimization/25514
1971 * combine.c (replaced_rhs_insn): New variable.
1972 (combine_instructions): Set replaced_rhs_insn when trying to replace
1973 a SET_SRC with a REG_EQUAL note.
1974 (distribute_notes): Use replaced_rhs_insn when determining the live
1975 range of a REG_DEAD register.
1977 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1978 Anatoly Sokolov <aesok@post.ru>
1980 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1981 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1982 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1983 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1984 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1985 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1986 at90usb647, at90usb1286 and at90usb1287 devices.
1987 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1988 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1990 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1992 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1994 2006-05-22 Richard Guenther <rguenther@suse.de>
1997 2006-01-31 Richard Guenther <rguenther@suse.de>
1998 Paolo Bonzini <bonzini@gnu.org>
2000 * doc/install.texi (--disable-libgcc-math): Document.
2002 2006-05-22 Richard Guenther <rguenther@suse.de>
2005 2006-01-31 Richard Guenther <rguenther@suse.de>
2007 * doc/invoke.texi (-msselibm): Document.
2008 * target.h (expand_library_builtin): New target hook.
2009 * builtins.c (expand_builtin): Use expand_library_builtin.
2010 (default_expand_library_builtin): New function.
2011 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2012 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2013 (link_gcc_math_spec): Declare.
2014 (static_specs): Add link_gcc_math_spec.
2015 * expr.h (default_expand_library_builtin): Declare.
2016 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2017 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2018 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2019 * config/i386/i386.opt (msselibm): New target option.
2020 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2021 (ix86_init_sse_abi_builtins): New function.
2022 (ix86_expand_library_builtin): Likewise.
2023 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2024 (override_options): Handle error conditions wrt -msselibm.
2025 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2026 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2027 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2030 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2033 * c-common.c (self_promoting_args_p): Skip erroneous args.
2036 * c-decl.c (finish_struct): Skip erroneous fields.
2038 2006-05-22 Nick Clifton <nickc@redhat.com>
2040 * config/cris/cris.opt (march): Remove VarExists attribute.
2041 (max-stackframe=): Likewise.
2043 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2045 * doc/rtl.texi: Fix a typo.
2046 * see.c: Fix comment typos.
2048 * tree-ssa-structalias.h (alias_info): Remove num_references.
2050 2006-05-21 Mike Stump <mrs@apple.com>
2052 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2054 (darwin_pragma_options): Use BAD instead.
2055 (darwin_pragma_unused): Likewise.
2056 (darwin_pragma_ms_struct): Likewise.
2058 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2060 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2062 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2064 PR rtl-optimization/27671
2065 * simplify-rtx.c (simplify_relational_operation_1): Fix
2066 simplifications of (eq/ne (xor x y) y) and
2067 (eq/ne (xor x y) x).
2069 PR tree-optimization/26622.
2070 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2073 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2075 * tree-cfg.c: Prune whitespace.
2076 (debug_tree_cfg): Point to correct header containing the
2079 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2082 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2084 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2087 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2088 or sorry count is non zero.
2090 2006-05-20 Andreas Schwab <schwab@suse.de>
2092 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2094 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2095 Kenneth Zadeck <zadeck@naturalbridge.com>
2097 PR rtl-optimization/26855
2099 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2101 (df_scan_alloc): Added code to properly handle multiword hard
2102 registers and add all_blocks parameter.
2103 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2104 code to properly handle multiword hard registers.
2105 (df_rescan_blocks): Added code to remove deleted blocks from
2107 (df_ref_create_structure, df_ref_record): Added code to properly
2109 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2110 and set DF_REF_PARTIAL.
2111 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2112 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2113 (df_scan_add_problem): Added flags parameter.
2114 (df_ref_create_structure): Changed switching structure.
2115 (df_bb_refs_record): Fixed case where duplicate artificial refs
2116 were created. Changed location of flags.
2117 (df_record_entry_block_defs): Added code to make stack pointer
2118 live in entry block. Refined cases where frame pointer is needed.
2119 Changed location of flags.
2120 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2121 (df_set_state): Removed function.
2122 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2123 df_insn_create_insn_record, df_insn_refs_delete,
2124 df_ref_create_structure): Formatting changes.
2125 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2126 df_delete_basic_block): New function.
2127 (df_init): Changed location of flags.
2128 (df_add_problem): Added flags parameter and the way flags are
2130 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2131 debug_df_chain): Improved debugging output.
2132 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2133 (df_refs_chain_dump): Removed df parameter.
2134 (df_iterative_dataflow): Added consistency check.
2135 (df_prune_to_subcfg): Made public.
2136 (df_analyze_problem): Added blocks_to_init parameter and made
2138 (df_ref_record, df_bb_refs_record, df_mark_reg,
2139 df_record_exit_block_uses): Whitespace changes.
2140 (df_dump): Whitespace changes.
2141 * df.h: Some reordering to remove forward references.
2142 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2143 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2144 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2145 (dataflow.flags): New field.
2146 (df.flag): Deleted field.
2147 (df_alloc_function): Added additional bitmap parameter.
2148 (df_dependent_problem_function): New type.
2149 (df_problem.changeable_flags): New field.
2150 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2151 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2152 (df_mw_hardreg): New struct.
2153 (DF_INSN_UID_MWS): New macro.
2154 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2156 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2157 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2158 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2159 (df_set_state): Removed function.
2160 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2161 * df-problems.c (df_chain_dump): Removed df parameter.
2162 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2163 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2165 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2166 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2167 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2168 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2169 DF_REF_MUST_CLOBBER cases.
2170 (df_ru_bb_local_compute_process_def,
2171 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2172 df_lr_bb_local_compute, df_ur_bb_local_compute,
2173 df_chain_create_bb): Made subreg aware.
2174 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2175 df_lr_bb_local_compute, df_lr_bb_local_compute,
2176 df_chain_create_bb): Cleanup to use proper macros.
2177 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2178 code to fixup bitvectors.
2179 (df_ri_alloc): Cleared lifetime.
2180 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2181 df_create_unused_note): New function.
2182 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2183 REG_DEAD and REG_UNUSED notes as well as register information.
2184 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2185 df_chains_dump): Fixed crash if problem was never run.
2186 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2187 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2188 df_ri_add_problem): Processes flags in uniform manner.
2189 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2190 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2191 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2192 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2193 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2194 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2195 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2196 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2197 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2198 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2199 * see.c (see_initialize_data): Ditto.
2200 * final.c (rest_of_clean_state) Added regstack_completed.
2201 * rtl.h (regstack_completed): Ditto.
2202 * reg-stack.c (regstack_completed): Ditto.
2204 2006-05-19 Mike Stump <mrs@apple.com>
2206 * c-tree.h (default_conversion): Remove.
2207 * c-common.h (default_conversion): Add.
2209 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2211 * tree-vrp.c (valid_value_p): New function.
2212 (adjust_range_with_scev): Fail if the value of bound is not
2215 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2217 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2218 (mips_fallback_frame_state): Use syscall numbers to determine
2219 the appropriate li instruction for the current ABI. Only use
2220 __NR_sigreturn for o32.
2222 2006-05-19 Nicolas Setton <setton@adacore.com>
2224 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2225 * langhooks.c (lhd_dwarf_name): New function.
2226 * langhooks-def.h (lhd_dwarf_name): Declare.
2227 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2228 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2229 * ada/misc.c (gnat_dwarf_name): New function.
2230 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2232 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2234 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2236 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2237 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2238 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2239 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2240 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2241 determine the size of Wtype, etc.
2242 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2243 (swfloatfuncs): New variable.
2244 (dwfloatfuncs): Likewise.
2245 (lib2funcs): Remove floating-point conversion functions from
2246 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2247 the set of conversion routines needed. Allow entries to specify
2248 an object name, filename and word size. Update users accordingly.
2249 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2250 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2254 2006-02-08 Roger Sayle <roger@eyesopen.com>
2257 * config/fixtfdi.c: New libgcc source file.
2258 * config/fixunstfdi.c: New source file.
2259 * config/floatditf.c: New source file.
2260 * config/floatunditf.c: New souce file.
2261 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2262 files above instead of config/mips/_tilib.c.
2263 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2265 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2267 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2268 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2270 2006-05-18 Mike Stump <mrs@apple.com>
2272 Fix up vla, vm and [*] sematics.
2278 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2279 (c_vla_unspec_p): Add.
2280 (c_vla_type_p): Add.
2281 * c-decl.c (struct c_scope): Add had_vla_unspec.
2282 (build_array_declarator): Add support for [*].
2283 (grokdeclarator): Likewise.
2284 (grokparms): Likewise.
2285 (get_parm_info): Likewise.
2286 * c-objc-common.c (c_vla_unspec_p): Likewise.
2287 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2288 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2289 typeof when argument is a variably modified type not inside sizeof or alignof.
2290 (c_parser_direct_declarator_inner): Propagate errors.
2291 (c_parser_sizeof_expression): Add support for [*].
2292 (c_parser_parms_declarator): Initialize had_vla_unspec.
2293 (c_parser_parms_list_declarator): Likewise.
2294 * c-typeck.c (c_vla_type_p): Add.
2295 (composite_type): Add support for vla compositing.
2296 (comptypes_internal): Add support for vla compatibility.
2297 (c_expr_sizeof_expr): Evaluate vla arguments.
2298 * tree.c (variably_modified_type_p): Update comment for [*].
2300 2006-05-18 Michael Matz <matz@suse.de>
2303 * config.host: Make assignments to host_xmake_file cumulative.
2304 * config.host (*-darwin*): Test $host, not $target.
2306 2006-05-12 Stuart Hastings <stuart@apple.com>
2308 * config/i386/i386.opt (-mstackrealign): New flag.
2309 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2310 (ix86_handle_cconv_attribute): Emit error when
2311 force_align_arg_pointer attribute collides with too many regparms.
2312 (ix86_function_regparm): Limit regparms when used with
2313 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2314 Support stack-realigning prologue in non-main functions. Emit
2315 warning for nested functions under -mstackrealign, emit error for
2316 nested functions with force_align_arg_pointer attribute.
2317 * doc/extend.texi (force_align_arg_pointer): Document it.
2318 * doc/invoke.texi (-mstackrealign): Document it.
2320 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2322 PR rtl-optimization/27477
2323 * combine.c (try_combine): Don't split a parallel consisting
2324 of two sets into two individual sets if both sets reference
2327 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2329 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2330 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2332 * doc/options.texi (VarExists): Updated.
2334 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2336 * unwind-dw2.c: Add declarations for uw_update_context and
2338 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2339 detected, advance frame state and context once to skip over stub.
2341 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2345 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2346 Call rewrite_into_loop_closed_ssa only when something changed.
2347 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2348 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2349 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2350 Test for perfect_nest_p here. Fix formating.
2351 (replace_uses_equiv_to_x_with_y): Fix formating.
2352 (stmt_uses_op): Removed.
2353 (can_convert_to_perfect_nest): Removed loopivs parameter.
2354 Complete the test by checking the scalar dependences.
2355 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2358 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2361 From Dan Kegel <dank@kegel.com>:
2362 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2364 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2366 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2367 if the element type is variably modified without recursing.
2369 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2372 * tree-loop-linear.c (try_interchange_loops): Test for
2373 no data dependences.
2375 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2377 PR tree-optimization/27548
2378 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2379 range of ssa names that appear on abnormal edges.
2380 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2381 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2383 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2386 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2388 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2391 * tree.h (OMP_PARALLEL_COMBINED): Define.
2392 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2393 (new_omp_context): Add is_combined_parallel argument.
2394 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2395 new_omp_context caller.
2396 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2397 Adjust gimplify_scan_omp_clauses callers.
2398 (omp_is_private): Issue errors if iteration variable is firstprivate
2399 or reduction in the current context.
2400 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2401 on combined parallel workshare constructs.
2403 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2405 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2406 (gcc-options.o): New rule.
2408 * optc-gen.awk: Protect variables for gcc-options.o with
2409 #ifdef GCC_DRIVER/#endif.
2411 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2413 Fix PR tree-optimization/27373
2414 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2415 (forward_propagate_addr_expr): Update call.
2417 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2419 * doc/options.texi: Move the Negative option.
2421 2006-05-16 Richard Guenther <rguenther@suse.de>
2423 PR tree-optimization/22303
2424 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2426 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2427 ccp_fold did not simplify the statement.
2429 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2432 * Makefile.in (GCC_OBJS): New.
2433 (OBJS-common): Add opts-common.o.
2434 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2435 (cpp$(exeext)): Likewise.
2436 (gcc.o): Also depend on opts.h.
2437 (opts-common.o): New.
2439 * common.opt (gcoff): Add Negative(gdwarf-2).
2440 (gdwarf-2): Add Negative(gstabs).
2441 (gstabs): Add Negative(gstabs+).
2442 (gstabs+): Add Negative(gvms).
2443 (gvms): Add Negative(gxcoff).
2444 (gxcoff): Add Negative(gxcoff+).
2445 (gxcoff+): Add Negative(gcoff).
2446 * config/i386/i386.opt (m32): Add Negative(m64).
2447 (m64): Add Negative(m32).
2449 * doc/options.texi: Document the Negative option.
2451 * gcc.c: Include "opts.h".
2452 (main): Call prune_options after expandargv.
2454 * optc-gen.awk: Generate common declarations for all flag
2455 variables in options.c. Output the neg_index field.
2457 * opts.c (find_opt): Moved to ...
2458 * opts-common.c: Here. New file.
2460 * opts.h (cl_option): Add a neg_index field.
2462 (prune_options): Likewise.
2464 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2467 * omp-low.c (expand_omp_parallel): Don't assert
2468 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2469 instead search for it.
2472 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2475 2006-05-16 Andreas Schwab <schwab@suse.de>
2477 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2480 2006-05-15 Roger Sayle <roger@eyesopen.com>
2483 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2484 integer constants other than zero are only legitimate on TARGET_64BIT.
2485 <CONST_VECTOR> Only zero vectors are legitimate.
2486 (ix86_cannot_force_const_mem): Integral and vector constants can
2487 always be put in the constant pool.
2489 2006-05-16 DJ Delorie <dj@redhat.com>
2491 * crtstuff.c (__dso_handle): Set section from
2492 TARGET_LBIGCC_SDATA_SECTION if defined.
2493 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2494 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2496 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2499 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2502 2006-05-16 Ben Elliston <bje@au.ibm.com>
2504 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2506 2006-05-15 Per Bothner <per@bothner.com>
2508 * tree.c: (last_annotated_node): Use source_locus typedef.
2509 This permits bootstrapping with --enable-mapped-location.
2511 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2513 PR tree-optimization/26830
2514 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2515 (info_for_ssa_name, current_info_for_ssa_name_age,
2516 blocks_to_update): New variables.
2517 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2518 (clear_ssa_name_info, initialize_flags_in_bb,
2519 mark_block_for_update): New functions.
2520 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2521 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2522 prepare_def_site_for): Use mark_block_for_update.
2523 (mark_def_interesting): Assert that the processed block is marked in
2524 blocks_to_update. Do not take blocks argument.
2525 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2527 (rewrite_update_init_block, rewrite_update_stmt): Only process
2528 blocks with statements to rewrite.
2529 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2530 (update_ssa): Initialize and free blocks_to_update. Do not
2531 clear flags on statements. Do not use blocks bitmap.
2532 * tree.h (SSA_NAME_AUX): Removed.
2533 (struct tree_ssa_name): Removed aux field.
2534 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2536 2006-05-15 Richard Guenther <rguenther@suse.de>
2538 PR tree-optimization/27603
2539 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2540 Do computations in original type.
2542 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2544 * see.c: Code style changes such as redundant paranthesis,
2545 redundant intialization of local variables etc.
2546 (see_main): Declared now as static.
2547 * doc/invoke.texi: Update that -fsee is not enabled by
2550 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2552 * omp-low.c (check_omp_nesting_restrictions): New function.
2553 (scan_omp_1): Call it.
2556 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2557 construct, return *VAR.
2559 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2561 PR rtl-optimization/27406
2562 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2565 2006-05-14 Roger Sayle <roger@eyesopen.com>
2567 PR rtl-optimization/27538
2568 * combine.c (expand_compound_operation): Call gen_lowpart
2569 before calling simplify_shift_const.
2571 2006-05-14 Roger Sayle <roger@eyesopen.com>
2573 PR rtl-optimization/22563
2574 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2575 a fixed width bitfield, always force the intermediates into psuedos.
2577 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2580 * mkconfig.sh: Use operator = instead of == for test.
2582 2006-05-13 Nick Clifton <nickc@redhat.com>
2584 * dwarf2out.c (dbx_reg_number): Check return value from
2585 LEAF_REG_REMAP and only use it if it is valid.
2586 (multiple_reg_loc_descriptor): Likewise.
2588 2006-05-13 Richard Guenther <rguenther@suse.de>
2590 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2593 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2595 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2596 information attached to non-INSNs such as NOTEs.
2597 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2599 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2601 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2603 * config/s390/s390.md: Adjust comment describing On constraint.
2605 2006-05-11 Jan Hubicka <jh@suse.cz>
2607 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2608 to be output at -O0.
2610 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2613 * fold-const.c (size_binop): Move sanity check for arguments to
2614 the beginning of the function.
2617 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2620 2006-05-11 Richard Guenther <rguenther@suse.de>
2623 * fold-const.c (fold_unary): Handle intermediate conversion
2624 to a pointer type like intermediate conversion to an integer
2625 type in folding of (T1)(T2)var to var.
2626 Match the code to the comment in the final conversion for
2627 (T1)(T2)var to (T1)var regarding to type precision. Rather
2628 than disallow T1 being of pointer type, assert that both T1
2629 and var are of pointer type or not. Make sure not to fall
2630 over the frontends lazyness wrt array to pointer decay though.
2632 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2634 * arm.c (arm_struct_value_rtx): Delete.
2635 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2636 (arm_init_cumulative_args): Always initialize nregs to zero.
2638 2006-05-10 Richard Guenther <rguenther@suse.de>
2640 PR tree-optimization/27532
2641 * tree-object-size.c (plus_expr_object_size): Fix typo.
2643 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2646 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2647 ashrdi_const, ashrdi3): Use a scratch register.
2649 2006-05-10 Richard Guenther <rguenther@suse.de>
2651 PR tree-optimization/27302
2652 * fold-const.c (operand_equal_p): For two comparisons,
2653 try comparison of one comparison code swapped if that yields
2656 2006-05-10 Ben Elliston <bje@au.ibm.com>
2658 * tree-pretty-print.c (pretty_print_string): No need to handle
2659 '\0' as a special character.
2661 * tree.h: Include "hashtab.h".
2662 (iterative_hash_expr): Use hashval_t in its prototype.
2663 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2665 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2668 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2669 (hppa*64*-*-hpux11*): Ditto.
2670 (hppa[12]*-*-hpux11*): Ditto.
2672 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2675 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2677 2006-05-09 Michael Matz <matz@suse.de>
2679 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2680 host_extra_gcc_objs and host_xmake_file.
2681 (<*-*-linux*>): Don't overwrite host_xmake_file.
2682 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2683 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2684 (host_detect_local_cpu): Declare.
2685 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2686 * config/i386/i386.c (override_options): Handle -mtune=native
2688 * config/i386/x-i386: New file.
2689 * config/i386/driver-i386.c: New file.
2690 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2693 2006-05-09 Dirk Mueller <dmueller@suse.de>
2694 Richard Guenther <rguenther@suse.de>
2697 * fold-const.c (fold_read_from_constant_string): Relax check
2698 for matching types to matching modes.
2700 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2702 PR rtl-optimization/27335
2703 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2706 2006-05-08 Chao-ying Fu <fu@mips.com>
2707 Richard Sandiford <richard@codesourcery.com>
2709 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2710 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2711 * config/mips/mips.md (UNSPEC_SCC): New constant.
2712 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2713 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2714 (mips_emit_compare): Use it.
2715 (mips_expand_vcondv2sf): New function.
2717 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2719 Fix PR tree-optimization/27093
2720 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2721 renaming when they become not-used_alone.
2723 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2725 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2726 relocation and relocation stubs.
2728 2006-05-08 Eric Christopher <echristo@apple.com>
2730 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2733 2006-05-08 Jan Hubicka <jh@suse.cz>
2736 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2737 unused static functions are needed.
2739 2006-05-08 Roger Sayle <roger@eyesopen.com>
2742 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2743 of a reg_equiv_constant if the result is a legitimate constant.
2745 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2748 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2749 standard 80387 constants, raise the cost to prevent
2750 compress_float_constant() to generate load from memory.
2752 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2754 * config/arm/constraints.md (c): Fix a typo.
2756 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2759 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2762 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2764 (_mm_mwait): Likewise.
2766 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2768 (sse3_monitor): Make it 32bit only.
2769 (sse3_monitor64): New. 64bit monitor.
2771 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2774 * config/i386/i386.c (classify_argument): Skip fields with invalid
2777 2006-05-07 Richard Guenther <rguenther@suse.de>
2779 PR tree-optimization/27409
2780 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2781 Do not try to find zero-sized subvars.
2783 2006-05-07 Richard Guenther <rguenther@suse.de>
2785 PR tree-optimization/27136
2786 * tree-ssa-loop-niter.c (get_val_for): Correct function
2787 comment, assert requirements.
2788 (loop_niter_by_eval): Stop processing if the iterated
2789 value did not simplify.
2791 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2793 * opts.c (flag_see): remove its setting at -O3.
2795 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2797 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2798 * arm/constraints.md: New file.
2799 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2800 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2801 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2802 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2803 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2804 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2805 * arm.md: Include constraints.md.
2806 (thumb_movsi_insn): Use satisfies_constraint_J.
2807 (movhi, movqi): Use satisfies_constraint_I.
2809 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2811 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2812 for atmeg a645 device.
2814 2006-05-06 Richard Guenther <rguenther@suse.de>
2816 PR tree-optimization/27151
2817 * tree-vect-transform.c (vectorizable_condition): Punt on
2818 values that have a different type than the condition.
2820 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2823 * c-parser.c (c_parser_cast_expression): Only insert casts into
2824 hash table if pointer.
2825 * function.c (used_types_insert_helper): Rename from
2827 (used_types_insert): Call used_types_insert_helper.
2828 * function.h (used_types_insert): Accept only one argument.
2830 2006-05-05 David Edelsohn <edesohn@gnu.org>
2832 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2833 scratch with output modifier.
2835 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2838 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2839 with output modifier.
2841 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2844 * config/mips/mips.c (mips_symbolic_address_p): Return true
2845 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2846 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2848 2006-05-04 Richard Guenther <rguenther@suse.de>
2850 PR tree-optimization/14287
2851 PR tree-optimization/14844
2852 PR tree-optimization/19792
2853 PR tree-optimization/21608
2854 PR tree-optimization/27090
2855 * tree-ssa-pre.c (try_combine_conversion): New function.
2856 (compute_avail): After constructing the value-handle
2857 expression, use try_combine_conversion to combine NOP_EXPRs
2858 with previous value-handle expressions and use the result if it
2861 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2863 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2865 2006-05-04 Jan Hubicka <jh@suse.cz>
2868 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2870 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2872 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2873 that this only matches CONST_INTs. All users changed to VOIDmode
2876 * config/bfin/bfin.c: Include "optabs.h".
2877 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2879 (enum bfin_builtins): Add a number of fractional and vector builtins.
2880 (bfin_init_builtins): Likewise.
2881 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2882 (safe_vector_operand, bfin_expand_binop_builtin,
2883 bfin_expand_unop_builtin): New functions.
2884 (bfin_expand_builtin): Handle the new builtins.
2885 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2888 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2891 * Makefile.in (OBJS-common): Add see.o.
2892 (see.o): Add dependencies.
2893 * common.opt (fsee): New flag for the see optimization was added.
2894 * opts.c (flag_see): Initialized.
2895 * passes.c (init_optimization_passes, pass_see): New pass.
2896 * rtl.h (see_main): Declaration as extern.
2897 * timevar.def (TV_SEE): New.
2898 * tree-pass.h (pass_see): Declaration as extern.
2899 * invoke.texi (-fsee): Document.
2900 * recog.c (validate_simplify_insn): New function.
2901 * recog.h (validate_simplify_insn): Declaration as extern.
2902 * df-problems.c (df_chain_dump): Check for NULL.
2904 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2905 Daniel Berlin <dberlin@dberlin.org>
2907 * cfgrtl.c (insert_insn_bb_end_new): New function.
2908 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2910 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2912 * df.h (struct web_entry): Moved from web.c.
2913 (union_defs): Declaration as extern.
2914 (unionfind_root): Likewise.
2915 (unionfind_union): Likewise.
2916 * web.c (struct web_entry): Moved to df.h.
2917 (unionfind_root): Remove static declaration.
2918 (unionfind_union): Likewise.
2919 (union_defs): Likewise and generalize to use callback function.
2920 (web_main): Update arguments for union_defs function call.
2922 2006-05-04 Richard Guenther <rguenther@suse.de>
2924 PR tree-optimization/26447
2925 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2926 produce SSA_NAME copies before the store stmt to avoid
2927 breaking exception handling.
2929 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2932 * gimplify.c (omp_is_private): If var is shared in some outer context,
2933 return false instead of true. Stop searching on parallel context
2936 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2939 * coverage.c: Use get_gcov_unsigned_t() instead of
2940 unsigned_type_node all over.
2942 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2944 PR tree-optimization/27381
2945 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2946 maintain the same immediate_use links.
2947 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2948 node rather than segfaulting.
2950 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2953 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2954 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2955 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2957 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2959 Fix PR tree-optimization/26626
2960 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2962 * tree-ssa-operands.c (access_can_touch_variable): Allow
2963 typecasting through union pointers.
2965 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2968 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2969 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2970 to find if var will be a global variable even in the nested context.
2971 (omp_copy_decl): Only check for global variable at the end, it might
2972 be overridden in outer contexts.
2973 (scan_sharing_clauses): For global variables don't create a field.
2974 (lower_rec_input_clauses): Do nothing for global shared variables.
2975 Emit a barrier at the end of ILIST if there were any decls in both
2976 firstprivate and lastprivate clauses.
2977 (lower_send_clauses): Do nothing for global variables except for
2980 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2982 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2983 of the correct signedness is returned.
2985 2006-05-02 Jeff Law <law@redhat.com>
2987 PR tree-optimization/27364
2988 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2989 multiply expressions.
2991 2006-05-02 Tom Tromey <tromey@redhat.com>
2993 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2995 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2998 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2999 -mthumb -fPIC are used.
3001 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3002 Joshua Kinard <kumba@gentoo.org>
3005 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3006 with 64-bit pointers.
3008 2006-05-02 Paul Brook <paul@codesourcery.com>
3010 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3012 (create_fix_barrier): Check that a suitable barrier location is
3014 (arm_reorg): Include ftmp->address in allowable range of addresses.
3016 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3019 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3022 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3025 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3026 around RESULT_DECL for result passed by reference.
3027 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3028 * omp-low.c (use_pointer_for_field): Don't look at
3029 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3030 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3031 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3032 time or var for passing by reference for
3033 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3034 TREE_ADDRESSABLE variables when passing by reference.
3036 * omp-low.c (dump_omp_region): Fix output formatting.
3039 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3040 (expand_omp_parallel): Likewise.
3041 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3044 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3045 on statement list containing also constructors and destructors.
3046 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3049 * except.c (duplicate_eh_regions): Fix clearing of
3050 cfun->eh->region_array entries.
3052 2006-05-01 DJ Delorie <dj@redhat.com>
3054 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3056 (gcc_cv_objdump): Likewise.
3057 * configure: Regenerated.
3059 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3062 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3063 templates for case 3 and 4.
3065 2006-05-01 DJ Delorie <dj@redhat.com>
3067 * vec.c: Include bconfig.h when appropriate.
3068 * Makefile.in (build/vec.o): Adjust dependencies.
3069 * mkconfig.sh: Make sure config.h isn't used for build machine
3072 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3074 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3076 (mark_phi_for_rewrite): New function.
3077 (insert_phi_nodes_for, mark_use_interesting): Call
3078 mark_phi_for_rewrite.
3079 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3080 (update_ssa): Initialize and free phis_to_rewrite.
3082 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3084 PR rtl-optimization/27291
3085 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3086 folded to a constant.
3088 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3090 PR tree-optimization/27283
3091 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3092 not whole # of iteration descriptions.
3093 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3094 uses abnormal ssa name.
3095 (niter_for_single_dom_exit): Ditto.
3096 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3097 return just the number of iterations.
3099 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3101 PR tree-optimization/27144
3102 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3103 (record_estimate): Only record constant upper bound.
3104 (infer_loop_bounds_from_undefined): Call
3105 compute_estimated_nb_iterations just once.
3106 (proved_non_wrapping_p): Renamed to ...
3107 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3108 (convert_step_widening, scev_probably_wraps_p): Call
3109 n_of_executions_at_most instead of proved_non_wrapping_p.
3110 (substitute_in_loop_info): Do not replace values in bounds.
3111 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3114 2006-05-01 Richard Henderson <rth@redhat.com>
3117 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3118 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3121 2006-05-01 Roger Sayle <roger@eyesopen.com>
3123 * c-typeck.c (parser_build_binary_op): Don't call the function
3124 unsigned_conversion_warning to spot operand/result type overflow.
3125 (build_binary_op): Instead, call convert_and_check instead of
3126 convert to report the problem when the operands are promoted.
3127 * c-common.c (unsigned_conversion_warning): Make static.
3128 * c-common.h (unsigned_conversion_warning): Delete prototype.
3130 2006-05-01 Richard Guenther <rguenther@suse.de>
3132 PR tree-optimization/26726
3133 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3135 (find_interesting_uses_address): ... we work around here
3136 by folding INDIRECT_REFs in the substituted base.
3138 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3140 * omp-low.c (dump_omp_region): Add newlines.
3142 2006-04-30 Roger Sayle <roger@eyesopen.com>
3144 * common.opt (Woverflow): New command line option.
3145 * c-common.c (constant_expression_warning): Check warn_overflow.
3146 (overflow_waring): Pass OPT_Woverflow to warning.
3147 (unsigned_conversion_warning): Likewise.
3148 (convert_and_check): Likewise.
3149 * doc/invoke.texi: Document new command line option.
3151 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3153 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3154 TARGET_NO_FP_IN_TOC for section anchors.
3155 (optimization_options): Enable section anchors for all
3156 non-"Objective" languages.
3158 2006-04-28 Eric Christopher <echristo@apple.com>
3160 * config/darwin-c.c (darwin_ms_struct): Move this
3161 (darwin_set_default_type_attributes): and this...
3162 * config/darwin.c: ... here.
3163 * config/darwin.h (darwin_ms_struct): Declare.
3165 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3167 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3169 2006-04-28 Roger Sayle <roger@eyesopen.com>
3172 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3173 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3174 an unsigned HOST_WIDE_INT.
3175 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3177 (really_start_incremental_init): No need to call convert because
3178 bitsize_zero_node is already of type bitsizetype.
3179 (push_init_level): Extract the value of constructor_index as an
3180 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3181 (process_init_element): Likewise.
3183 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3185 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3186 value before passing to make_relative_prefix.
3188 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3191 * builtins.c (expand_builtin_memset): Expand val in original mode.
3193 2006-04-27 Eric Christopher <echristo@apple.com>
3195 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3196 with #ifndef/#endif.
3197 * config/darwin-c.c (darwin_ms_struct): New.
3198 (darwin_pragma_ms_struct): Ditto.
3199 (darwin_set_default_type_attributes): Ditto.
3200 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3201 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3202 Register ms_struct pragma.
3203 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3204 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3205 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3206 darwin_set_default_type_attributes if TARGET_MACHO.
3208 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3210 PR tree-optimization/26854
3211 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3212 * doc/tree-ssa.texi: Update immuse iterator documentation.
3213 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3214 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3215 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3216 first_safe_imm_use, next_safe_imm_use): Remove.
3217 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3218 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3219 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3220 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3221 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3222 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3223 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3224 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3225 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3226 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3227 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3228 (perfect_nestify): Use new iterator.
3229 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3231 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3232 (next_imm_name): New field in struct immediate_use_iterator_d.
3233 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3234 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3235 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3236 * tree-cfg.c (replace_uses_by): Use new iterator.
3237 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3238 * tree-ssa-operands.c (correct_use_link): Remove.
3239 (finalize_ssa_use_ops): No longer call correct_use_link.
3241 2006-04-27 Stuart Hastings <stuart@apple.com>
3243 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3244 * config/t-darwin (crt3.o): Use it.
3245 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3246 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3247 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3248 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3249 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3252 2006-04-27 Roger Sayle <roger@eyesopen.com>
3254 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3255 size, force the intermediate into a new pseudo rather instead of
3256 performing both a bitwise AND and a bitwise IOR in memory.
3258 2006-04-27 Richard Guenther <rguenther@suse.de>
3260 PR rtl-optimization/26685
3261 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3262 this one "max-flow-memory-locations".
3264 2006-04-27 Richard Guenther <rguenther@suse.de>
3266 PR tree-optimization/25148
3267 * tree-vrp.c (compare_values): Remove code dealing with
3268 comparisons against type min/max value. Honour overflow
3269 and negative constants in code dealing with comparisons
3270 of plus and minus expressions.
3271 (value_inside_range): Use fold_binary with LE_EXPR and
3272 GE_EXPR rather than compare_values.
3274 2006-04-27 Dirk Mueller <dmueller@suse.de>
3276 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3279 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3281 * basic-block.h (safe_insert_insn_on_edge): Removed.
3282 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3284 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3285 Paolo Bonzini <bonzini@gnu.org>
3288 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3289 (simplify_and_const_int): Same.
3291 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3293 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3295 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3298 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3299 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3300 cgraph_global_info_ready.
3303 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3306 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3307 either decl or init is error_mark_node.
3310 * tree-flow.h (struct omp_region): Add sched_kind.
3311 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3312 instead of extracting omp for data.
3313 (expand_omp_for): Save extracted sched_kind.
3315 2006-04-25 Roger Sayle <roger@eyesopen.com>
3317 * expmed.c (store_bit_field): Also check whether the bitsize is
3318 valid for the machine's "insv" instruction before moving the
3319 target into a pseudo for use with the insv.
3320 * config/i386/predicates.md (const8_operand): New predicate.
3321 * config/i386/i386.md (extv, extzv, insv): Use the new
3322 const8_operand predicate where appropriate.
3324 2006-04-25 DJ Delorie <dj@redhat.com>
3326 * doc/install.texi (Specific): Clarify that this is not a list of
3327 supported hosts or targets.
3329 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3331 PR rtl-optimization/26725
3332 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3333 block's BB_DIRTY flag.
3335 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3337 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3340 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3341 to print an integer.
3343 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3345 * varasm.c (align_variable): New function.
3346 (get_block_for_decl): Apply align_variable to DECL before
3347 calculating section information.
3348 (assemble_variable): Split out alignment computation.
3350 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3352 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3355 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3357 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3358 MODE_PARTIAL_INT mode.
3359 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3360 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3362 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3363 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3365 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3367 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3369 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3370 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3371 MACFLAG_IH): Likewise.
3372 (movstricthi_1): Renamed from "*movstricthi".
3373 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3374 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3375 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3376 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3377 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3378 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3379 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3380 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3381 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3382 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3383 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3384 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3385 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3386 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3387 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3389 * doc/rtl.texi (ss_ashift): Improve wording.
3391 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3393 * dwarf2out.c (verify_marks_clear): New.
3394 (prune_unused_types): Call verify_marks_clear initially, not
3397 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3399 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3400 * doc/rtl.texi: Document them.
3401 * simplify-rtx.c (simplify_unary_operation,
3402 simplify_binary_operation_1): Don't abort when we see them.
3404 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3407 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3408 * configure.ac: Completely disregard languages that are not
3410 * configure: Regenerated.
3412 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3413 Richard Guenther <rguenther@suse.de>
3415 PR tree-optimization/27236
3416 * tree-inline.c (copy_body_r): Make sure to copy
3417 TREE_THIS_VOLATILE flag.
3419 2006-04-24 Richard Guenther <rguenther@suse.de>
3422 * tree-complex.c (update_parameter_components): Don't handle
3423 unused parameters which have no default def.
3425 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3426 Richard Guenther <rguenther@suse.de>
3428 PR tree-optimization/27218
3429 * tree-inline.c (expand_call_inline): Strip useless type
3430 conversions for the return slot address.
3432 2006-04-24 Richard Guenther <rguenther@suse.de>
3434 * cfgloop.h (struct loops): Remove unused field array. Reorder
3436 (LOOP_PREFETCH): Remove.
3438 2006-04-24 Richard Guenther <rguenther@suse.de>
3440 PR tree-optimization/22525
3441 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3442 variable, adjust types of generated expressions.
3444 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3446 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3447 (tree-vect-patterns.o): Likewise.
3449 (cselib.o): Likewise.
3450 (loop-doloop.o): Likewise.
3451 (regclass.o): Likewise.
3452 (reload1.o): Likewise.
3453 (explow.o): Replace target.h with $(TARGET_H).
3454 (ipa-prop.o): Likewise.
3455 (ipa-cp.o): Likewise.
3456 (ipa-inline.o): Likewise.
3457 (reorg.o): Likewise.
3458 (reg-stack.o): Likewise.
3460 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3462 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3464 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3466 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3468 * configure.ac: Completely disregard languages that are not
3470 * configure: Regenerated.
3473 * c-common.h (c_build_bitfield_integer_type): Declare.
3474 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3475 * c-common.c (c_build_bitfield_integer_type): ... here.
3477 2006-04-23 Roger Sayle <roger@eyesopen.com>
3480 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3481 a SImode SUBREG of a floating point register after no_new_pseudos.
3483 2006-04-23 Roger Sayle <roger@eyesopen.com>
3485 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3486 identify potentially eliminable registers to additionally catch
3487 VIRTUAL_INCOMING_ARGS_REGNUM.
3488 (addsi3): Update the conditions on when to use addsi_small_int.
3490 2006-04-23 Roger Sayle <roger@eyesopen.com>
3493 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3494 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3495 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3497 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3499 * fold-const.c (range_predecessor): Use operand_equal_p
3500 as the predicate for equality.
3501 (range_successor): Likewise.
3503 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3506 * config/soft-fp/op-common.h: Fix a typo.
3508 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3511 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3512 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3514 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3516 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3518 * doc/tm.texi: Fix a typo.
3520 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3522 * dwarf2out.c (struct die_struct): Document that die_sib makes
3523 a circular linked list.
3524 (FOR_EACH_CHILD): New.
3525 (reverse_die_lists): Delete.
3526 (reverse_all_dies): Delete.
3527 (add_dwarf_attr): Correct documentation.
3528 (remove_child_with_prev): New.
3529 (remove_child_TAG): Update for change to die_struct, use
3530 remove_child_with_prev.
3531 (add_child_die): Update for change to die_struct.
3532 (splice_child_die): Use remove_child_with_prev and add_child_die.
3533 (print_die): Use FOR_EACH_CHILD.
3534 (die_checksum): Likewise.
3535 (assign_symbol_names): Likewise.
3536 (output_location_lists): Likewise.
3537 (build_abbrev_table): Likewise.
3538 (calc_die_sizes): Likewise.
3539 (mark_dies): Likewise.
3540 (unmark_dies): Likewise.
3541 (unmark_all_dies): Likewise.
3542 (output_die): Likewise.
3543 (prune_unused_types_mark): Likewise.
3544 (prune_unused_types_walk): Likewise.
3545 (same_die_p): Update for change to die_struct.
3546 (break_out_includes): Likewise.
3547 (prune_unused_types_prune): Likewise.
3548 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3549 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3551 (dwarf2out_finish): Don't call reverse_all_dies.
3553 2006-04-21 Eric Christopher <echristo@apple.com>
3555 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3556 in comments and function names.
3558 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3561 * c-typeck.c (digest_init): Robustify.
3563 * c-typeck.c (pop_init_level): Simplify.
3565 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3567 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3569 2006-04-21 Paul Brook <paul@codesourcery.com>
3571 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3572 hardware floating point.
3574 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3576 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3579 2006-04-21 Nick Clifton <nickc@redhat.com>
3581 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3584 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3587 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3588 C++ lang type in traceback table for Objective-C++.
3590 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3592 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3594 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3596 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3599 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3600 were errors. Remove check for erroneous objects.
3602 2006-04-20 Jeff Law <law@redhat.com>
3604 PR tree-optimization/26854
3605 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3606 checking for zero or one use.
3607 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3608 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3609 * tree-ssa-reassoc.c (negate_value): Similarly.
3610 (reassociate_bb): Similarly.
3612 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3614 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3615 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3616 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3618 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3620 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3621 fp regs if the last fp arg doesn't fit in regs.
3623 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3626 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3627 that the last insn has the REG_INC note.
3629 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3630 Nathan Sidwell <nathan@codesourcery.com>
3633 * stor-layout.c (update_alignment_for_field): Do not align
3635 (place_union_field): Place union field at the start of the union.
3636 (place_field): Move ERROR_MARK check later, and use the current
3637 allocation position to maintain monotonicity.
3639 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3641 * dominance.c: Include timevar.h.
3642 (calculate_dominance_info): Use TV_DOMINANCE.
3643 * timevar.def (TV_DOMINANCE): New timevar.
3644 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3646 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3648 PR rtl-optimization/14261
3649 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3650 move would be an INSV insn.
3651 (noce_process_if_block): Don't optimize if the destination is a
3652 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3654 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3656 * config/s390/s390.md: Add comments with the instructions emitted
3657 by an insn pattern if macros are used.
3659 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3661 PR rtl-optimization/26026
3662 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3663 is a known power of two shifted left a variable amount.
3665 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3667 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3668 to hash table twice when the debug_str section has SECTION_MERGE.
3670 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3672 * config/soft-fp: New directory. From glibc.
3673 * config/soft-fp/t-softfp: New.
3674 * config/soft-fp/README: New.
3675 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3676 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3677 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3678 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3679 * config.gcc: Use rs6000/t-fprules-fpbit or
3680 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3682 * config/rs6000/sfp-machine.h: New. Based on glibc.
3683 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3685 * config/rs6000/t-fprules: Remove fp-bit rules.
3686 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3687 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3688 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3689 (softfp_wrap_start, softfp_wrap_end): New.
3691 2006-04-18 DJ Delorie <dj@redhat.com>
3693 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3695 2006-04-18 Devang Patel <dpatel@apple.com>
3697 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3699 2006-04-18 Nick Clifton <nickc@redhat.com>
3701 * config/sh/t-symbian: Add rule to build sh-c.o
3702 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3703 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3704 (sh_symbian_encode_section_info): Likewise.
3706 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3708 * builtins.c (expand_builtin_strcmp): Cover label definition of
3709 do_libcall with HAVE_cmpstrnsi.
3711 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3713 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3715 * function.h (temp_slot_p): New.
3716 (function): Change the type of x_used_temp_slots to
3717 VEC(temp_slot_p,gc) *.
3719 2006-04-18 Nick Clifton <nickc@redhat.com>
3721 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3722 flag_strength_reduce.
3724 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3726 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3730 Partial revert of revision 112637
3731 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3732 Dale Johannesen <dalej@apple.com>
3735 * regclass.c (struct reg_pref): Update documentation.
3736 (regclass): Set prefclass to NO_REGS if memory is the best option.
3737 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3739 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3741 PR tree-optimization/26821
3742 * tree-ssa-math-opts.c (get_constant_one): New.
3743 (insert_reciprocals): Use it.
3745 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3747 * dwarf2out.c (free_AT): Delete.
3748 (remove_AT): Update string ref counts.
3749 (remove_child_TAG): Don't call free_die.
3751 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3752 or DW_TAG_GNU_EINCL.
3753 (prune_unused_types_walk_attribs): Reset string refcounts.
3754 (prune_unused_types_update_strings): New.
3755 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3756 call free_die. Do call prune_unused_types_update_strings.
3757 (prune_unused_types): Empty debug_str_hash.
3759 2006-04-17 Roger Sayle <roger@eyesopen.com>
3761 * expr.c (expand_assignment): Optimize away no-op moves where the
3762 source and destination are equal and have no side-effects.
3764 2006-04-17 Richard Guenther <rguenther@suse.de>
3767 * reload.c (push_reload): Guard calls to get_secondary_mem
3770 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3772 * alias.c (reg_base_value, old_reg_base_value): Change the
3773 type to VEC(rtx,gc) *.
3774 (REG_BASE_VALUE, find_base_value, record_set,
3775 init_alias_analysis): Use VEC instead of VARRAY.
3777 * alias.c (alias_sets): Change the type to
3778 VEC(alias_set_entry,gc) *.
3779 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3780 VEC instead of VARRAY.
3781 (last_alias_set): Remove.
3783 * cgraph.h (cgraph_edge_p): New.
3784 Update the prototype of cgraph_function_versioning.
3785 * cgraphunit.c (cgraph_copy_node_for_versioning,
3786 cgraph_function_versioning): Use VEC instead of VARRAY.
3787 * ipa-cp.c (ipcp_insert_stage): Likewise.
3789 2006-04-16 Roger Sayle <roger@eyesopen.com>
3792 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3793 "A op B" or "A op C", we may need to convert A to the type of B and C.
3795 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3797 * target.h (struct gcc_target): Add mode_rep_extended.
3798 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3799 (init_num_sign_bit_copies_in_rep): Initialize it using
3801 (truncate_to_mode): Use it.
3802 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3803 * targhooks.h (default_mode_rep_extended): Declare it.
3804 * targhooks.c (default_mode_rep_extended): Define it.
3805 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3806 default_mode_rep_extended.
3807 (TARGET_INITIALIZER): Include it.
3808 * doc/tm.texi (Misc): Document it.
3809 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3810 (mips_truncated_to_mode): New function.
3812 2006-04-16 Roger Sayle <roger@eyesopen.com>
3815 * expr.c (compress_float_constant): Copy the narrow constant into
3816 a new pseudo before extending it to its final width.
3818 2006-04-16 Roger Sayle <roger@eyesopen.com>
3819 Andrew Pinski <pinskia@gcc.gnu.org>
3820 Dale Johannesen <dalej@apple.com>
3823 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3824 special case code to implement V8HImode and V16QImode with SSE2.
3826 2006-04-15 Roger Sayle <roger@eyesopen.com>
3828 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3829 trees are constructed with a suitable tree type.
3831 2006-04-15 Roger Sayle <roger@eyesopen.com>
3833 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3834 (integer_onep): Likewise.
3835 (integer_all_onesp): Likewise.
3836 (integer_pow2p): Likewise.
3837 (integer_nonzerop): Likewise.
3838 (real_zerop): Likewise.
3839 (real_onep): Likewise.
3840 (real_twop): Likewise.
3841 (real_minus_onep): Likewise.
3842 (int_size_in_bytes): Likewise.
3843 (host_integerp): Likewise.
3845 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3847 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3848 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3849 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3851 * tree-ssa-structalias.h (alias_info): Remove num_references.
3853 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3855 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3856 (output_bvb patterns): Likewise.
3857 * pa.c (output_bb): Use 'bb' insn for long branch case.
3858 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3859 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3860 1. Correct length operand for alternatives 1 and 2.
3861 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3862 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3864 2006-04-14 Roger Sayle <roger@eyesopen.com>
3866 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3867 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3868 were accidentally reverted by r112959.
3870 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3873 * except.h (eh_region_outermost): New prototype.
3874 * except.c (eh_region_outermost): New function.
3875 * tree-cfg.c (find_outermost_region_in_block): Use it.
3877 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3879 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3881 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3882 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3883 (init_reload, reload): Use VEC instead of VARRAY.
3884 * reload.h: Update the prototype for
3885 reg_equiv_memory_loc_varray.
3887 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3888 Eric Botcazou <ebotcazou@libertysurf.fr>
3890 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3893 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3896 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3897 to expand fallback builtin function call.
3899 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3902 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3903 and emit libcall here in case the builtin fails.
3904 (expand_builtin_strcmp): Always emit the libcall here on failure.
3906 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3908 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3909 * flow.c (reg_n_info): Change the type to
3910 VEC(reg_info_p,heap) *.
3911 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3913 * regs.h (reg_info_p): New.
3914 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3915 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3916 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3919 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3921 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3923 * params.h (MAX_SCHED_READY_INSNS): New macro.
3924 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3925 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3926 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3927 the ready list for 1 cycle during the first scheduling pass.
3928 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3930 2006-04-13 Richard Henderson <rth@redhat.com>
3933 * gimple-low.c (lower_omp_directive): Remove dead code.
3934 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3935 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3936 * omp-low.c (struct omp_region): Move to tree-flow.h.
3937 (root_omp_region): Export.
3938 (omp_regions, lookup_omp_region): Remove.
3939 (determine_parallel_type): Update for struct omp_region changes.
3940 (dump_omp_region): Dump regions with block numbers.
3941 (new_omp_region): Take type and block instead of stmt; malloc
3943 (free_omp_region_1, free_omp_regions): New.
3944 (expand_parallel_call): Take entry_stmt as argument; update for
3945 changes to omp_region.
3946 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3947 (remove_exit_barriers): New.
3948 (expand_omp_parallel): Update for struct omp_region changes.
3949 (expand_omp_synch): Likewise.
3950 (expand_omp): Likewise.
3951 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3952 (expand_omp_for_static_chunk): Likewise.
3953 (expand_omp_for): Likewise.
3954 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3955 (expand_omp_sections): Similarly, with GOMP_sections_end.
3956 (expand_omp_single): New.
3957 (build_omp_regions_1): Update for OMP_CONTINUE.
3958 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3959 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3960 OMP_SECTIONS_SECTIONS.
3961 (lower_omp_single_simple): Don't emit barrier here.
3962 (lower_omp_single_copy): Likewise.
3963 (lower_omp_single): Fix bindings, and lower to straightline now.
3964 (lower_omp_master, lower_omp_ordered): Likewise.
3965 (lower_omp_critical): Likewise.
3966 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3967 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3968 omp edges, free it afterward.
3969 (make_omp_sections_edges): Remove.
3970 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3971 (move_stmt_r): Handle OMP_CONTINUE.
3972 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3973 statement pointers to basic blocks. Add type member.
3974 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3975 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3976 * tree-inline.c (estimate_num_insns_1): Likewise.
3977 * tree-pretty-print.c (dump_generic_node): Likewise.
3978 * tree-ssa-operands.c (get_expr_operands): Likewise.
3979 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3980 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3981 (OMP_CONTINUE): New.
3982 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3983 (OMP_SECTIONS_SECTIONS): Remove.
3984 (OMP_SECTION_LAST): New.
3985 (OMP_RETURN_NOWAIT): New.
3987 2006-04-13 Roger Sayle <roger@eyesopen.com>
3989 * fold-const.c (native_encode_vector, native_interpret_real):
3990 Correct obvious mistakes in the previous check-in.
3992 2006-04-13 Roger Sayle <roger@eyesopen.com>
3994 * fold-const.c (native_encode_expr): New function to encode
3995 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3996 or VECTOR_CST into a specified buffer.
3997 (native_encode_int): New function.
3998 (native_encode_real): New function.
3999 (native_encode_complex): New function.
4000 (native_encode_vector): New function.
4001 (native_interpret_expr): Inverse of native_encode_expr to convert
4002 a target representation into an INTEGER_CST, REAL_CST etc...
4003 (native_interpret_int): New function.
4004 (native_interpret_real): New function.
4005 (native_interpret_complex): New function.
4006 (native_interpret_vector): New function.
4007 (fold_view_convert_expr): New function to constant fold/evaluate
4008 a VIEW_CONVERT_EXPR of a suitable constant expression.
4009 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4010 Change call of build1 to fold_build1 when constructing a
4013 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4014 Ulrich Weigand <uweigand@de.ibm.com>
4017 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4020 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4023 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4024 optimize to lo_sum for DFmode if !TARGET_FPRS.
4026 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4028 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4029 delete_alias_info, compute_flow_sensitive_aliasing,
4030 group_aliases): Use VEC instead of VARRAY.
4031 * tree-ssa-structalias.c (update_alias_info): Likewise.
4032 * tree-ssa-structalias.h (alias_info): Change the type of
4033 processed_ptrs to VEC(tree,heap) *.
4035 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4038 * config/sh/lib1funcs.h: New file, broken out of:
4039 * config/sh/lib1funcs.asm.
4040 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4042 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4043 * config/sh/lib1funcs-Os-4-200.asm: New file.
4044 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4045 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4046 (EXTRA_MULTILIB_PARTS): Include it.
4047 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4048 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4049 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4050 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4053 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4055 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4056 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4057 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4059 * tree-ssa-live.h: Include vecprim.h.
4060 (tree_partition_associator_d): Change the type of
4061 first_partition to VEC(int,heap) *.
4062 (tpa_first_partition): Use VEC instead of VARRAY.
4064 * Makefile.in (GTFILES): Move functions.h after tree.h.
4065 * function.c (reset_block_changes, record_block_change,
4066 check_block_change, free_block_changes): Use VEC instead of
4068 * function.h (function): Change the type of
4069 ib_boundaries_block to VEC(tree,gc) *.
4070 * tree-inline.c (copy_cfg_body): Initialize
4071 ib_boundaries_block to NULL instead of (varray_type) 0.
4073 2006-04-12 Roger Sayle <roger@eyesopen.com>
4075 * expr.c (emit_group_store): Correct operand order in call to
4076 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4077 a SUBREG_BYTE of zero.
4079 2006-04-12 Richard Guenther <rguenther@suse.de>
4081 * profile.c (compute_branch_probabilities): Remove code
4082 encapsulated in !ir_type (), which are remanents of the
4083 removed RTL profiling code.
4084 * rtl-profile.c: Remove.
4086 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4088 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4089 magic NULL_RTX comment.
4090 (function_arg): Store entire fp arg to mem if any part should go
4092 (rs6000_arg_partial_bytes): Adjust for above change.
4094 2006-04-11 Roger Sayle <roger@eyesopen.com>
4096 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4097 if it hasn't been initialized by dwarf2out_init.
4099 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4101 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4102 symbolic constants in branch patterns.
4104 2006-04-11 Roger Sayle <roger@eyesopen.com>
4106 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4108 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4110 PR rtl-optimization/27073
4111 * gcse.c (try_replace_reg): Revert last change. Continue to search
4112 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4115 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4117 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4118 aggregate types other than record and union types.
4119 (function_arg): Likewise.
4120 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4122 (function_value): In 64-bit mode, return objects that require it
4125 2006-04-11 Roger Sayle <roger@eyesopen.com>
4127 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4129 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4131 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4133 2006-04-03 Jeff Law <law@redhat.com>
4136 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4137 alias information too.
4139 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4141 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4143 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4146 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4147 (premark_used_types_helper): New.
4148 (premark_used_types): New.
4149 (gen_subprogram_die): Call premark_used_types.
4150 (prune_unused_types_walk): Do not prune perennial dies.
4151 * function.c (used_types_insert): New.
4152 * function.h (struct function): Add used_types_hash field.
4153 (used_types_insert): Add prototype.
4154 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4155 * c-parser.c (c_parser_cast_expression): Save casted types in used
4158 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4161 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4162 rs6000_explicit_options.float_gprs.
4164 2006-04-10 Roger Sayle <roger@eyesopen.com>
4166 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4167 from ix86_expand_vector_init_low_nonzero. Take an additional
4168 one_var argument indicating which element is non-zero. Support
4169 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4170 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4171 with one_var instead of ix86_expand_vector_init_low_nonzero.
4173 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4175 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4176 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4177 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4178 build/genextract.o): Depend on vecprim.h.
4179 * cfglayout.c, df-problems.c, function.c, genextract.c,
4180 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4181 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4185 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4187 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4188 Declare VECs of this type.
4189 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4190 (remove_children): Delete.
4191 (add_dwarf_attr): Use VEC routines.
4192 (add_AT_flag): Update for changes to add_dwarf_attr.
4193 (add_AT_int): Likewise.
4194 (add_AT_unsigned): Likewise.
4195 (add_AT_long_long): Likewise.
4196 (add_AT_vec): Likewise.
4197 (add_AT_string): Likewise.
4198 (add_AT_die_ref): Likewise.
4199 (add_AT_fde_ref): Likewise.
4200 (add_AT_loc): Likewise.
4201 (add_AT_loc_list): Likewise.
4202 (add_AT_addr): Likewise.
4203 (add_AT_lbl_id): Likewise.
4204 (add_AT_lineptr): Likewise.
4205 (add_AT_macptr): Likewise.
4206 (add_AT_offset): Likewise.
4207 (add_AT_range_list): Likewise.
4208 (get_AT): Use VEC_iterate.
4209 (remove_AT): Use VEC_ordered_remove.
4210 (free_die): Fold remove_children into here; have it use VEC_iterate.
4211 (print_die): Use VEC_iterate on attrs.
4212 (reverse_die_lists): Don't reverse attr lists.
4213 (die_checksum): Use VEC_iterate on attrs.
4214 (same_die_p): Likewise.
4215 (output_location_lists): Likewise.
4216 (build_abbrev_table): Likewise.
4217 (size_of_die): Likewise.
4218 (unmark_all_dies): Likewise.
4219 (output_abbrev_section): Likewise.
4220 (output_die): Likewise.
4221 (prune_unused_types_walk_attribs): Likewise.
4223 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4225 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4227 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4230 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4232 2006-04-09 Roger Sayle <roger@eyesopen.com>
4234 * expr.c (store_constructor): Don't bother clearing target if
4235 we're about to assign a vector to it using vec_init_optab.
4237 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4239 * tree-ssa-alias.c (lhs_may_store_to): New function.
4240 (recalculate_used_alone): Handle LHS of calls.
4242 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4246 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4247 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4248 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4249 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4250 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4251 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4252 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4253 stubs. Add ".align 8" directives before all ".dword" directives.
4254 (GTHREAD_USE_WEAK): Revise comment.
4255 (TARGET_ATTRIBUTE_WEAK): Define.
4256 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4257 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4258 * stublib.c: New file.
4263 * pa.md (cbranch patterns): Revise arguments used in calls to
4264 output_cbranch, output_bb and output_bvd. Add long branch length
4266 (fbranch patterns): Handle long branches.
4267 (jump): Revise length check. Revise arguments for output_lbranch call.
4268 Add long branch length attributes.
4269 (decrement_and_branch_until_zero): Add long branch length attributes.
4270 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4271 Likewise. Revise arguments for output_parallel_addb and
4272 output_parallel_movb calls.
4273 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4274 output_parallel_movb and output_parallel_addb): Update prototypes.
4275 * pa.c (output_cbranch): Revise arguments. Correct handling of
4276 nullification in long branches.
4277 (output_lbranch): Add new argument to control extraction of delay
4279 (output_bb): Handle long branches.
4280 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4281 output_parallel_addb): Likewise.
4283 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4285 PR rtl-optimization/27073
4286 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4289 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4291 * tree.h (tree_memory_tag): Add old_used_alone.
4292 (SMT_OLD_USED_ALONE): New macro.
4293 * tree-ssa-alias.c (recalculate_used_alone): Stop
4294 marking things for renaming unnecessarily.
4296 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4298 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4299 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4300 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4301 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4302 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4303 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4304 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4305 spelling convensions.
4306 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4307 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4308 typos. Follow spelling conventions.
4310 2006-04-07 DJ Delorie <dj@redhat.com>
4312 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4313 passed on the stack.
4314 (m32c_init_cumulative_args): When a function returns a structure,
4315 always pass the pointer to that return area on the stack.
4316 (m32c_function_arg_advance): Don't increment the parameter number
4317 if we're processing the returned structure pointer.
4318 (pushm_info): Reverse order of registers.
4320 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4322 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4323 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4324 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4325 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4327 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4328 chrec_fold_multiply): Same.
4329 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4330 force_expr_to_var_cost): Same.
4331 * tree-mudflap.c (mf_xform_derefs_1): Same.
4332 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4334 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4336 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4337 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4340 2006-04-07 Jan Hubicka <jh@suse.cz>
4342 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4344 2006-04-07 Richard Guenther <rguenther@suse.de>
4346 PR tree-optimization/26135
4347 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4348 loads for store copy-prop.
4349 (copy_prop_visit_stmt): Likewise.
4351 2006-04-05 Robert Millan <robertmh@gnu.org>
4353 * config/i386/linux.h: Add a comment to mark macros that are
4354 being overriden in config/k*bsd-gnu.h.
4355 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4357 * config/knetbsd-gnu.h: Ditto.
4359 2006-04-06 Jan Hubicka <jh@suse.cz>
4363 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4366 2006-04-06 Mike Stump <mrs@apple.com>
4368 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4369 for HAVE_nonlocal_goto to be consistent.
4370 (expand_builtin_nonlocal_goto): Likewise.
4371 (expand_builtin_strcmp): Use #ifdef instead of #if
4372 for HAVE_cmpstrnsi to be consistent.
4374 2006-04-05 DJ Delorie <dj@redhat.com>
4376 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4379 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4381 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4382 got-relative addressing for anything but SImode.
4384 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4385 even if the calling function doesn't modify them.
4387 2006-04-05 Richard Guenther <rguenther@suse.de>
4389 PR tree-optimization/26919
4390 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4391 to cgraph_estimate_size_after_inlining.
4393 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4395 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4397 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4399 PR tree-optimization/26996
4400 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4401 VECTOR_TYPE variables.
4403 2006-04-05 Richard Guenther <rguenther@suse.de>
4405 PR tree-optimization/26763
4406 * fold-const.c (fold_comparison): Move folding of
4407 PTR + CST CMP PTR + CST ...
4408 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4410 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4412 * doc/install.texi (Prerequisites): Refine some wording on
4413 bootstrapping and ksh.
4414 Move the version numbers of DejaGnu here from the testing section
4415 and fix casing of names.
4416 Fix markup and clarify wording for autogen requirements.
4417 Refer to GCJ instead of just java.
4418 Refer to SVN instead of CVS.
4419 Describe diffutils as useful instead of necessary.
4420 (Downloading the source): Refer to SVN instead of CVS.
4421 Adjust a link to our web site accordingly.
4422 (Configuration): Fix casing of Bison.
4423 (Building): Refer to SVN instead of CVS.
4424 Fix a sentence on the use of Bison and remove duplicate (and
4425 incorrect) version number of Bison requirement.
4426 Remove one redundant list of packages needed for building.
4427 (Specific): Avoid reference to CVS.
4429 2006-04-04 Eric Christopher <echristo@apple.com>
4431 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4432 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4433 (rs6000_handle_struct_attribute): New.
4434 (rs6000_ms_bitfield_layout_p): Ditto.
4436 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4438 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4439 NULL for dso parameter to atexit_common.
4441 2006-04-04 Eric Christopher <echristo@apple.com>
4443 * config/i386/i386.c (machopic_output_stub): Output \t
4444 between instructions and operands.
4446 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4448 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4449 satisfies_constraint_[IL] to explicit tests on value.
4451 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4453 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4454 set_nb_iterations_in_loop): Use build_int_cst instead of
4456 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4457 build_int_cst instead of convert.
4459 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4461 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4462 new value 2 for incoming.
4463 * function.c (expand_function_start): Call struct_value_rtx
4465 * config/sparc/sparc.md: Comment updated_return.
4466 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4467 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4468 struct return if sparc_std_struct_return and incoming is 2.
4469 (print_operand): Do not adjust return if
4470 sparc_std_struct_return.
4472 2006-04-04 Roger Sayle <roger@eyesopen.com>
4474 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4475 convert in the middle-end.
4476 * expr.c (store_expr, store_constructor, get_inner_reference,
4477 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4479 * tree.c (build_range_type): Likewise.
4481 2006-04-04 Tom Tromey <tromey@redhat.com>
4483 * doc/install.texi (Prerequisites): Mention jar.
4485 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4487 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4490 2006-04-04 Matthias Klose <doko@debian.org>
4492 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4493 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4496 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4498 * doc/extend.texi (Function Attributes): Rewrite visibility
4499 attribute documentation.
4500 * doc/invoke.texi (C++ Dialect Options): Rewrite
4501 -fvisibility-inlines-hidden documentation to describe something
4502 entirely different, although in practise compatible.
4503 (Code Gen Options): Warn about system headers in -fvisibility=
4506 * doc/extend.texi (Other Builtins): Document that
4507 __builtin_nan is a compile-time constant only when its argument
4510 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4512 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4513 trying to remove TRUNCATE check if all bits outside the new mode
4514 are identical to the sign bit.
4516 2006-04-03 Jeff Law <law@redhat.com>
4518 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4519 and operand scanning in some common cases.
4521 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4522 Dale Johannesen <dalej@apple.com>
4525 * regclass.c (struct reg_pref): Update documentation.
4526 (regclass): Set prefclass to NO_REGS if memory is the best option.
4527 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4528 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4529 into account. For non-registers, equate an empty preferred
4530 reload class to a `!' in the constraint; move the if clause to
4531 do so after those that reject the insn.
4532 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4534 (find_dummy_reload): Likewise.
4535 * doc/tm.texi (Register Classes): Document what it means
4536 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4537 * config/i386/i386.c (ix86_preferred_reload_class): Force
4538 using SSE registers (and return NO_REGS for floating-point
4539 constants) if math is done with SSE.
4540 (ix86_preferred_output_reload_class): New.
4541 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4542 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4543 * config/i386/i386.md: Remove # register preferences.
4545 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4548 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4549 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4550 the type of nb_iter.
4551 (instantiate_parameters_1): Convert the operands before calling
4552 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4553 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4555 2006-04-02 Roger Sayle <roger@eyesopen.com>
4557 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4558 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4560 * dojump.c (do_jump): Likewise.
4561 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4562 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4563 gimplify_boolean_expr): Likewise.
4564 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4565 * varasm.c (array_size_for_constructor): Likewise.
4566 * tree-object-size.c (compute_object_offset): Likewise.
4568 2006-04-02 Roger Sayle <roger@eyesopen.com>
4571 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4572 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4574 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4576 PR tree-optimization/26939
4577 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4579 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4581 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4582 at_stmt. Convert the type of operands before calling
4583 build_polynomial_chrec.
4584 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4586 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4587 (instantiate_parameters_1): Convert the type of operands before calling
4588 build_polynomial_chrec.
4589 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4590 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4591 reset_evolution_in_loop): Insert asserts to check the types of the
4593 (chrec_type): Moved...
4594 (eq_evolutions_p): Use operand_equal_p.
4595 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4596 the types of the operands.
4597 (chrec_type): ...here.
4598 * tree-data-ref.c (create_data_ref): Convert the operands before
4599 calling chrec_replace_initial_condition.
4600 (same_access_functions, analyze_subscript_affine_affine,
4601 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4602 (compute_subscript_distance, analyze_ziv_subscript,
4603 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4604 analyze_miv_subscript): Convert the operands before calling
4605 chrec_fold_minus or chrec_fold_plus.
4607 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4609 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4610 the dependence_relations vector.
4611 (compute_data_dependences_for_loop): Adjust call to
4612 compute_all_dependences.
4614 2006-04-01 Roger Sayle <roger@eyesopen.com>
4615 Richard Henderson <rth@redhat.com>
4617 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4618 gimple_boolify on the condition before calling gimplify_expr.
4620 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4622 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4623 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4624 the frame size. Update to use the new macros.
4625 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4626 * config/xtensa/ieee754-df.S: Likewise.
4628 2006-03-31 Richard Henderson <rth@redhat.com>
4630 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4631 (make_edges): ... here. Control fallthru creation with a local
4632 variable. Do not play with fake edges.
4633 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4634 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4637 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4639 * dwarf2.h (DW64_CIE_ID): Define.
4640 * dwarf2out.c (DWARF_CIE_ID): Define.
4641 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4642 length header. Use DWARF_CIE_ID.
4643 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4644 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4646 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4648 * config/sh/linux-atomic.asm: New file.
4649 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4651 2006-03-31 DJ Delorie <dj@redhat.com>
4653 * config/m32c/cond.md: Set condition flags properly throughout.
4654 * config/m32c/minmax.md: Likewise.
4655 * config/m32c/prologue.md: Likewise.
4656 * config/m32c/bitops.md: Likewise.
4657 * config/m32c/muldiv.md: Likewise.
4658 * config/m32c/mov.md: Likewise.
4659 * config/m32c/addsub.md: Likewise.
4660 * config/m32c/m32c.md: Likewise.
4661 * config/m32c/jump.md: Likewise.
4662 * config/m32c/shift.md: Likewise.
4664 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4665 conditionally output the pattern for this.
4666 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4667 (m32c_compare_redundant): New.
4668 (m32c_output_compare): New.
4669 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4671 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4672 dest, not src. Allow other 4-byte modes.
4674 2006-03-30 Denis Chertykov <denisc@overta.ru>
4676 * doc/md.texi: Refer to avr/constraints.md instead of
4679 2006-03-30 Roger Sayle <roger@eyesopen.com>
4681 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4682 signed vs. unsigned comparison failures on some hosts.
4684 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4687 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4688 change to FLOAT_REGS.
4690 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4691 (rs6000_override_options): Use it.
4692 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4693 only for -mabi=spe/no-spe and -mabi=altivec.
4695 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4697 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4700 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4702 * Makefile.in: Rename docdir to gcc_docdir.
4704 2006-03-30 Roger Sayle <roger@eyesopen.com>
4707 * expr.c (emit_group_store): Optimize group stores into a pseudo
4708 register by using a paradoxical subreg to initialize the destination
4709 if the first or last member of the group specifies a "low part".
4711 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4714 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4715 * target.h (struct gcc_target.speculate_insn): Change type of the
4716 second parameter to 'int'.
4717 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4718 the second operand of the DEPS_LIST.
4719 (copy_DEPS_LIST_list): Update reference to the second operand of the
4721 * rtl.h (alloc_DEPS_LIST): Update signature.
4722 * sched-int.h (ds_t): Change typedef to 'int'.
4723 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4725 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4727 * haifa-sched.c (try_ready): Change condition to restore
4728 non-speculative pattern of the instruction.
4729 (process_insn_depend_be_in_spec): Code to keep probability of the
4730 speculative dependence non-decreasing.
4732 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4734 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4735 (single_move_for_movmem): ... this. Also change all uses.
4736 (bfin_expand_strmov): Renamed to...
4737 (bfin_expand_movmem): ... this. Also change all uses.
4738 * config/bfin/bfin.md (movstrsi): Renamed to...
4739 (movstrsi): ...this.
4741 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4743 PR tree-optimization/26830
4745 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4746 (copy_prop_visit_stmt): Remove write-only variable ann.
4747 (init_copy_prop): Check variable loop depth here. Do not simulate
4748 memory-tag and virtual operand PHIs except for store copy prop.
4750 2006-03-30 Richard Guenther <rguenther@suse.de>
4752 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4753 variants with double arguments.
4755 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4757 * genpreds.c (write_tm_constrs_h): Delete variable p.
4758 * genconditions.c (write_header): Add tm-constrs.h to included
4760 * genpeep.c (main): Add toplev.h to included headers.
4761 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4762 (build/genpeep.o): Add toplev.h dependency.
4763 * config/rs6000/constraints.md: Add "W" constraint.
4765 2006-03-29 Roger Sayle <roger@eyesopen.com>
4767 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4768 sizes by correctly testing whether the size fits a host integer.
4769 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4770 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4771 SImode range for the default sizetype and bitsizetype.
4773 2006-03-29 Roger Sayle <roger@eyesopen.com>
4775 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4776 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4777 quickly if the argument is already of the correct type.
4778 Call fold_build1 instead of build1. Tidy up blank lines.
4780 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4782 * genemit.c (main): Add tm-constrs.h to included headers.
4783 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4784 * genpeep.c (main): Add tm-constrs.h to included headers.
4785 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4786 (write_tm_constrs_h): this and write complete file.
4787 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4788 (write_insn_preds_c): Add tm-constrs.h to included headers.
4789 (gen_constrs): New variable.
4790 (parse_option): Parse "-c".
4791 (main): Invoke write_tm_constrs_h.
4792 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4793 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4794 (object_out_file): Add tm-constrs.h dependency.
4795 (insn-emit.o): Same.
4796 (insn-output.o): Same.
4797 (insn-peep.o): Same.
4798 (insn-preds.o): Same.
4799 (insn-recog.o): Same.
4800 (tm-constsr.h): New target.
4801 (s-constrs-h): New target.
4803 * config/rs6000/constraints.md: New file.
4804 * config/rs6000/rs6000.c: Include tm-constrs.h.
4805 (num_insn_constant_wide): Convert to satisfies_constraint.
4806 (rs6000_rtx_costs): Convert to satisfies_constraint.
4807 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4808 (CONST_OK_FOR_LETTER_P): Delete.
4809 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4810 (EXTRA_CONSTRAINT): Delete.
4811 (EXTRA_MEMORY_CONSTRAINT): Delete.
4812 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4813 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4814 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4815 satisfies_constraint.
4817 * config/i386/i386.c: Include tm-constrs.h.
4819 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4821 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4822 * tree-data-ref.c (find_data_references_in_loop,
4823 compute_data_dependences_for_loop): Use pointers to VEC.
4824 (analyze_all_data_dependences): Adjust calls.
4825 * tree-data-ref.h (find_data_references_in_loop,
4826 compute_data_dependences_for_loop): Adjust declarations.
4827 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4828 compute_data_dependences_for_loop.
4830 2006-03-29 Paul Brook <paul@codesourcery.com>
4832 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4835 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4837 PR tree-optimization/26859
4838 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4840 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4841 for the step after fold_convert.
4843 2006-03-29 Paul Brook <paul@codesourcery.com>
4845 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4846 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4848 2006-03-29 Paul Brook <paul@codesourcery.com>
4851 * targhooks.c (default_narrow_bitfield): New fuction.
4852 * targhooks.h (default_narrow_bitfield): add prototype.
4853 * target.h (gcc_target): Add narrow_volatile_bitfield.
4854 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4855 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4856 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4857 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4859 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4861 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4863 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4864 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4865 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4866 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4867 (s390_function_arg_float): Allow SDmode and DDmode values to be
4868 passed in floating point registers.
4869 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4870 check with SCALAR_FLOAT_MODE_P.
4871 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4873 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4875 PR tree-optimization/25985
4876 * tree-ssa-loop-niter.c (number_of_iterations_le,
4877 number_of_iterations_ne): Make comments more precise.
4878 (number_of_iterations_cond): Add only_exit argument. Use the
4879 fact that signed variables do not overflow only when only_exit
4881 (loop_only_exit_p): New.
4882 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4883 number_of_iterations_cond.
4885 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4887 PR tree-optimization/26643
4888 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4891 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4893 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4894 (divsi3_i4_int): Likewise.
4896 2006-03-28 Roger Sayle <roger@eyesopen.com>
4898 * expr.c (emit_group_store): Only create a new pseudo reg if the
4899 quantity it needs to hold isn't already a suitable pseudo.
4901 2006-03-28 Jeff Law <law@redhat.com>
4903 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4904 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4906 2006-03-28 Roger Sayle <roger@eyesopen.com>
4908 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4909 the equivalent ~X & Y, and the symmetry related transformations.
4910 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4911 ~X & Y, and symmetry related transforms.
4913 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4915 Revert my 2006-03-27 patches.
4917 2006-03-28 Roger Sayle <roger@eyesopen.com>
4919 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4920 ~(T1)X, when T1 and T2 are integer types of the same precision
4921 and (T2)X isn't an extension.
4923 2006-03-28 Jeff Law <law@redhat.com>
4925 PR tree-optimization/26796
4926 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4927 need EH edge cleanups rather than purging them immediately.
4928 (eliminate_degenerate_phis): Handle queued EH cleanups.
4930 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4932 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4935 2006-03-27 Roger Sayle <roger@eyesopen.com>
4938 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4939 cast BIT_NOT_EXPR operand to the correct type.
4941 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4943 * tree-loop-linear.c: Don't include varray.h.
4944 (gather_interchange_stats, try_interchange_loops,
4945 linear_transform_loops): Use VEC instead of VARRAY.
4946 * lambda-mat.c: Don't include varray.h.
4947 * tree-chrec.c: Same.
4948 * lambda-trans.c: Same.
4949 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4950 VEC instead of VARRAY.
4951 * tree-vectorizer.h: Idem.
4952 * tree-data-ref.c (dump_data_references,
4953 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4954 initialize_data_dependence_relation, finalize_ddr_dependent,
4955 compute_all_dependences, find_data_references_in_loop,
4956 compute_data_dependences_for_loop, analyze_all_data_dependences,
4957 free_dependence_relation, free_dependence_relations,
4958 free_data_refs): Idem.
4959 * tree-data-ref.h (data_reference_p, subscript_p): New.
4960 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4961 VEC instead of VARRAY.
4962 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4963 (find_data_references_in_loop, compute_data_dependences_for_loop,
4964 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4965 dump_data_dependence_relations, free_dependence_relations,
4966 free_data_refs): Adjust declaration.
4967 (lambda_transform_legal_p): Move declaration here...
4968 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4969 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4970 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4971 vect_analyze_data_refs): Use VEC instead of VARRAY.
4972 * lambda.h (lambda_transform_legal_p): ...from here.
4973 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4974 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4975 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4976 tree-chrec.o): Don't depend on VARRAY_H.
4978 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4980 * rtl.def (Copyright): Update date.
4981 (DEPS_LIST): Change type of the second operand to 'int'.
4982 * target.h (Copyright): Update date.
4983 (struct gcc_target.speculate_insn): Change type of the second parameter
4985 * lists.c (Copyright): Update date.
4986 (alloc_DEPS_LIST): Change signature. Update reference to the second
4987 operand of the DEPS_LIST.
4988 (copy_DEPS_LIST_list): Update reference to the second operand of the
4990 * rtl.h (Copyright): Update date.
4991 (alloc_DEPS_LIST): Update signature.
4992 * sched-int.h (Copyright): Update date.
4993 (ds_t): Change typedef to 'int'.
4994 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4996 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4998 * haifa-sched.c (Copyright): Update date.
4999 (try_ready): Change condition to restore non-speculative pattern
5001 (process_insn_depend_be_in_spec): Code to keep probability of the
5002 speculative dependence non-decreasing.
5004 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5006 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5007 shut up the compiler.
5009 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5011 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5012 to use lib prefix for target.
5013 ($(T)libic_invalidate_array_4-200.a): Likewise.
5014 ($(T)libic_invalidate_array_4a.a): Likewise.
5016 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5017 J"orn Rennecke <joern.rennecke@st.com>
5019 * superh.opt: New file.
5020 * sh.c (boardtype, osruntime): Remove.
5021 * superh.h (SUBTARGET_OPTIONS): Remove.
5022 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5024 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5025 arguments with ^ and/or [].
5027 * config.gcc (sh-*-*): Add quoting to account for quirk of
5029 Replace == with = in enable_incomplete_targets test.
5031 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5032 with MASK_LITTLE_ENDIAN.
5034 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5035 * config/sh/sh.opt: Added to some comments.
5036 * config/sh/superh.h: Removed some chaff.
5038 * config/sh/sh.opt: Add m4-[1234]00* options.
5039 * config/sh/sh.c (sh_handle_option): Likewise.
5040 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5041 (ic_invalidate_array_4-100.o): New rule.
5042 ($(T)libic_invalidate_array_4-100.a): Likewise.
5043 (ic_invalidate_array_4-200.o): Likewise.
5044 ($(T)libic_invalidate_array_4-200.a): Likewise.
5045 (ic_invalidate_array_4a.o): Likewise.
5046 ($(T)libic_invalidate_array_4a.a): Likewise.
5047 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5048 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5050 * config/sh/crt1.asm: Merged in profiling code.
5051 * config/sh/superh.h (STARTFILE_SPEC): Override.
5052 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5053 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5054 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5056 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5057 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5058 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5060 * sh.opt (mpretend-cmove): New option.
5061 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5062 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5063 (movsicc): Add TARGET_PRETEND_CMOVE code.
5065 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5067 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5068 s390_class_max_nregs): New function prototypes.
5069 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5070 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5071 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5072 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5074 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5076 * dwarf2out.c (add_location_or_const_value_attribute): Call
5077 tree_add_const_value_attribute if nothing else works.
5078 (reference_to_unused): New.
5079 (rtl_for_decl_init): Use reference_to_unused to decide whether
5080 to output an initializer.
5082 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5085 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5086 peephole removing spe frob_di_df_2.
5088 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5090 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5091 (subscript_dependence_tester_1): Declared.
5092 (print_dir_vectors, print_dist_vectors): New.
5093 (debug_data_dependence_relation): New.
5094 (dump_data_dependence_relation): Print more details.
5095 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5096 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5097 (save_dist_v, save_dir_v, add_outer_distances,
5098 build_classic_dist_vector_1): New.
5099 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5100 Don't test for lambda_vector_lexico_pos.
5101 (same_access_functions, add_multivariate_self_dist,
5102 add_other_self_distances, dir_from_dist): New.
5103 (build_classic_dir_vector): Replace implementation almost identical to
5104 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5106 (subscript_dependence_tester_1): New.
5107 (subscript_dependence_tester): Handle the lexicographically negative
5108 distance vectors by recomputing the dependence relation.
5109 (compute_affine_dependence): Remove parameter loop_nest_depth.
5110 (compute_self_dependence): Don't call compute_subscript_distance.
5111 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5112 Add a parameter for the loop_nest.
5113 (find_loop_nest_1, find_loop_nest): New.
5114 (compute_data_dependences_for_loop): Compute the loop nest, and give
5115 up if the nest is not well formed.
5116 * tree-data-ref.h (loop_p): New.
5117 (struct data_dependence_relation): Replace size_vect field with
5118 loop_nest, a vec of loops.
5119 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5120 (DDR_LOOP_NEST): New.
5121 (print_dir_vectors, print_dist_vectors,
5122 debug_data_dependence_relation): Declared.
5123 (index_in_loop_nest): New.
5124 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5125 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5128 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5130 * simplify-rtx.c (simplify_relational_operation): Call
5131 simplify_relational_operation_1 even if mode is VOIDmode.
5133 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5135 PR tree-optimization/26804
5136 * tree.h (DECL_CALL_CLOBBERED): New macro.
5137 (tree_decl_common): Add call_clobbered_flag.
5138 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5139 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5140 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5141 (mark_non_addressable): Ditto.
5142 * tree-ssa.c (verify_call_clobbered): New function.
5143 (verify_alias_info): Use it.
5144 * tree-pass.h (pass_reset_cc_flags): New prototype.
5145 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5146 (reset_cc_flags): New function.
5147 * passes.c (init_optimization_passes): Call reset_cc_flags after
5148 initializing referenced_vars.
5150 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5151 Roger Sayle <roger@eyesopen.com>
5154 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5155 to 1.0 for non-real operands. Implement A / A optimization for
5158 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5160 * config/i386/i386.c (size_cost): Correct the comment for
5161 cost of storing fp registers.
5162 (i386_cost): Likewise.
5163 (i486_cost): Likewise.
5164 (pentium_cost): Likewise.
5165 (pentiumpro_cost): Likewise.
5166 (k6_cost): Likewise.
5167 (athlon_cost): Likewise.
5168 (k8_cost): Likewise.
5169 (pentium4_cost): Likewise.
5170 (nocona_cost): Likewise.
5171 (generic64_cost): Likewise.
5172 (generic32_cost): Likewise.
5174 2006-03-24 Denis Chertykov <denisc@overta.ru>
5176 * config/avr/avr-protos.h (extra_constraint): Delete.
5177 (extra_constraint_Q): New declaration.
5178 * config/avr/constraints.md: New file.
5179 * config/avr/avr.md: Include it.
5180 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5181 (TMP_REGNO, ZERO_REGNO): Likewise.
5182 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5183 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5184 (extra_constraint): Delete.
5185 (extra_constraint_Q): Test for memory constraint 'Q'.
5186 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5187 (REG_CLASS_FROM_LETTER): Delete.
5188 (CONST_OK_FOR_LETTER_P): Delete.
5189 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5190 (EXTRA_CONSTRAINT): Delete.
5191 (TMP_REGNO): Delete.
5192 (ZERO_REGNO): Delete.
5194 2006-03-24 Jeff Law <law@redhat.com>
5196 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5197 directly. Call mark_new_vars_to_rename slightly earlier.
5199 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5201 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5203 (gen_compile_unit_die): Use new language types for Objective-C and
5205 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5206 DW_LANG_C_plus_plus.
5209 * config/t-darwin (crt3.o): Work around bug 26840.
5210 * config/darwin-crt3.c: Rewrite.
5211 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5213 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5215 * doc/invoke.texi: Document -femit-class-debug-always
5216 * common.opt: Add -femit-class-debug-always.
5218 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5220 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5221 index and base register.
5222 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5223 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5224 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5225 REGNO_OK_FOR_INDEX_P.
5226 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5228 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5229 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5230 REG_OK_FOR_BASE_P): Definitions removed.
5232 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5235 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5236 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5237 set yet or weren't marked as local yet.
5239 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5241 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5244 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5246 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5247 (rs6000_legitimate_small_data_p): Delete.
5248 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5249 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5250 and make static. Add forward declaration. Update uses.
5251 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5252 of offsettable_memref_p.
5253 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5254 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5256 2006-03-24 Jeff Law <law@redhat.com>
5258 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5259 around bug in immediate-use iterator.
5261 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5264 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5265 or __LITTLE_ENDIAN__.
5267 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5269 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5270 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5271 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5272 * config/sh/sh.opt (mdiv=): Amend description.
5273 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5274 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5275 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5276 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5277 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5278 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5279 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5280 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5281 TARGET_DIVIDE_CALL_FP.
5283 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5285 * haifa-sched.c (choose_ready): Fix type of the local variable.
5286 Move local variables. Add comment.
5287 (check_reg_live): Change signature. Make callable from debugger.
5288 * sched-int.h (check_reg_live): Update signature.
5289 * sched-ebb.c (check_reg_live): Update parameters.
5290 * sched-rgn.c (check_reg_live): Ditto.
5291 (region_head_or_leaf_p): Check pointer before dereferencing.
5292 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5293 before reload on optimization levels below 1.
5295 2006-03-23 Richard Henderson <rth@redhat.com>
5297 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5301 * config/alpha/predicates.md (local_symbolic_operand): Reject
5304 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5307 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5308 expressions which have overflowed constants.
5310 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5312 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5314 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5316 * cfgloopmanip.c (create_loop_notes): Removed.
5317 * final.c (final_scan_insn): Do not handle loop notes.
5318 * jump.c (squeeze_notes): Ditto.
5319 * cfglayout.c (skip_insns_after_block,
5320 duplicate_insn_chain): Ditto.
5321 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5323 * cfgloop.h (create_loop_notes): Declaration removed.
5325 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5327 * varasm.c (output_constant_pool): Restore fnname and fndecl
5329 (assemble_start_function): Adjust call accordingly.
5330 (assemble_end_function): Likewise.
5332 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5335 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5338 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5340 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5343 * system.h (ICE_EXIT_CODE): New macro.
5344 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5345 (diagnostic_action_after_output): Likewise.
5346 * gcc.c (fatal_ice): New function.
5347 (execute): Use it instead of fatal.
5348 (fancy_abort): Likewise.
5349 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5351 2006-03-22 Jeff Law <law@redhat.com>
5353 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5354 iv_analyze_result returning false.
5356 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5358 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5360 2006-03-22 Richard Henderson <rth@redhat.com>
5363 * except.c (duplicate_eh_regions_0): New.
5364 (duplicate_eh_region_1): Duplicate the children of the node as
5365 well as the node itself. Link them up properly.
5366 (duplicate_eh_region_2): Merge into ...
5367 (duplicate_eh_regions): ... here. Take copy_region argument, and
5368 copy only a sub-tree if asked. Simplify copying and fixup.
5369 (eh_region_outer_p): New.
5370 * except.h (duplicate_eh_regions): Update decl.
5371 (eh_region_outer_p): Declare.
5372 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5373 (lower_omp_master): Likewise.
5374 (lower_omp_ordered): Likewise.
5375 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5376 (move_stmt_r): Use it to remap labels. Handle recursion vs
5377 remap_decls_p properly.
5378 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5379 (find_outermost_region_in_block): New.
5380 (new_label_mapper): New.
5381 (move_sese_region_to_fn): Copy eh information to the new function
5383 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5385 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5388 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5390 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5391 into shared libraries.
5393 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5395 * doc/md.texi: Refer to i386/constraints.md instead of
5397 * config/i386/constraints.md: New file, extracted from...
5398 * config/i386/predicates.md: ...here.
5399 * config/i386/i386.md: Include constraints.md.
5401 2006-03-21 Jason Merrill <jason@redhat.com>
5403 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5406 * expr.c (init_block_move_fn): Force default visibility.
5407 (init_block_clear_fn): Likewise.
5408 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5409 * targhooks.c (default_external_stack_protect_fail): Likewise.
5411 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5413 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5414 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5415 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5416 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5417 (loadgp): Use mips_current_loadgp_style.
5418 (loadgp_noshared): New pattern.
5419 (sibcall_internal): Use MIPS_CALL.
5420 (sibcall_value_internal): Likewise.
5421 (sibcall_value_multiple_internal): Likewise.
5422 (call_internal): Likewise.
5423 (call_value_internal): Likewise.
5424 (call_value_multiple_internal): Likewise.
5425 (call_split): Use MIPS_CALL and add an 'S' constraint.
5426 (call_value_split): Likewise.
5427 (call_value_multiple_split): Likewise.
5428 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5429 (-mshared): New option.
5430 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5431 (mips_current_loadgp_style): Declare.
5432 * config/mips/mips.c (mips_classify_symbol): Avoid using
5433 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5434 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5435 TARGET_ABSOLUTE_ABICALLS.
5436 (override_options): Adjust comments. Improve the warning that is
5437 issued when -mabicalls and -G are used together.
5438 (mips_file_start): Remove comment.
5439 (mips_current_loadgp_style): New function.
5440 (mips_gnu_local_gp): New variable.
5441 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5443 (mips_output_function_prologue): Use mips_current_laodgp_style.
5444 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5445 the cprestore instruction.
5446 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5447 live for TARGET_ABSOLUTE_ABICALLS.
5448 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5449 (ASM_SPEC): Pass down -mshared and -mno-shared.
5450 (MIPS_CALL): New macro.
5451 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5453 * doc/invoke.texi (-mabicalls): Update documentation.
5454 (-mshared): Document.
5456 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5458 * config/ia64/unwind-hpux.c: New file.
5459 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5461 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5464 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5466 2006-03-21 Jeff Law <law@redhat.com>
5468 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5469 type conversions of a VR_VARYING source to a wider type.
5471 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5473 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5474 tm_file on Solaris 10 and later.
5475 (sparc64-*-solaris2*): Likewise.
5476 (sparc-*-solaris2*): Likewise.
5477 * config/sol26.h: Rename to config/sol2-6.h.
5478 * config/sol2-10.h: New file.
5480 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5483 * tree-ssa-pre.c (create_component_ref_by_pieces):
5486 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5489 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5490 return it immediately.
5492 2006-03-21 Michael Matz <matz@suse.de>
5494 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5496 (remove_arc, add_arc): Update num_out_arcs member.
5497 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5499 (cache_presence): New function.
5500 (compare_states_for_equiv): New function.
5501 (state_is_differed): Don't take number of outargs, adjust callers.
5502 Use new invariant for speeding up.
5503 (init_equiv_class): Create initial classes based on sorted
5505 (partition_equiv_class): Don't track out_arcs_num.
5506 (evaluate_equiv_classes): Call cache_presence on all states and
5509 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5511 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5512 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5513 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5514 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5516 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5517 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5518 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5519 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5520 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5522 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5523 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5524 (REGNO_REG_CLASS): ARGP is in PREGS.
5525 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5527 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5528 to deal with those addresses.
5529 * addresses.h: New file.
5530 * caller-save.c: Include "addresses.h".
5531 (init_caller_save): Use new base_reg_class function.
5532 * rtl-factoring.c: Include "addresses.h".
5533 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5534 * recog.c: Include "addresses.h".
5535 (preprocess_constraints): Use new base_reg_class function.
5536 * regrename.c: Include "addresses.h".
5537 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5538 functions. Keep track of a new var INDEX_CODE to compute valid
5540 (replace_oldest_value_addr): Likewise.
5541 (replace_oldest_value_mem): Use base_reg_class.
5542 * reload.c: Include "addresses.h".
5543 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5544 (find_reloads): Use new base_reg_class function.
5545 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5546 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5547 all callers and prototype changed.
5548 * reload1.c: Include "addresses.h".
5549 (maybe_fix_stack_asms): Use base_reg_class.
5550 * regclass.c: Include "addresses.h".
5551 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5552 (init_reg_autoinc): Use new base_reg_class function.
5553 (record_reg_classes): Likewise.
5554 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5555 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5556 Use new args to compute necessary class.
5558 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5559 regrename.o, rtl-factoring.o): Update dependencies.
5560 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5561 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5562 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5563 REG_OK_FOR_INDEX_P): Delete documentation.
5565 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5567 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5568 from V7 to V9 for Solaris 7 and above.
5570 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5572 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5573 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5574 argument pointers may not alias any other storage.
5575 * common.opt: Define option -fargument-noalias-anything.
5576 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5577 alias semantics is specified by flag_argument_noalias > 2.
5579 2006-03-20 Jeff Law <law@redhat.com>
5581 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5582 (pass_phi_only_cprop): Declare.
5583 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5585 * tree-ssa-dom.c (degenerate_phi_result): New function.
5586 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5587 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5588 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5589 (eliminate_degenerate_phis): Likewise.
5590 (pass_phi_only_cprop): New pass descriptor.
5591 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5592 support code. Callers updated.
5593 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5594 (store_copy_prop): Likewise.
5595 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5597 2006-03-20 Jason Merrill <jason@redhat.com>
5600 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5601 (push_visibility, pop_visibility): Likewise.
5602 * c-pragma.h: Declare them.
5604 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5606 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5608 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5609 parameter and use get_ebb_head_tail.
5610 (sh_md_init_global): Adjust uses of find_regmode_weight.
5612 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5614 * function.h (struct function) <x_tail_recursion_reentry>:
5615 Rename to x_stack_check_probe_note.
5616 (tail_recursion_reentry): Rename to stack_check_probe_note.
5617 * function.c: Replace tail_recursion_reentry with
5618 stack_check_probe_note everywhere.
5619 (expand_function_start): Only emit a note for
5620 stack_check_probe_note with -fstack-protect.
5621 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5623 * emit-rtl.c (remove_unnecessary_notes): Remove.
5624 (pass_remove_unnecessary_notes): Remove.
5625 * rtl.h (remove_unnecessary_notes): Remove prototype.
5626 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5627 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5628 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5630 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5633 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5634 (valid_in_set): Handle ARRAY_REF.
5635 Change "if min_variant or VH" to asserts.
5636 (create_component_ref_by_pieces): Handle ARRAY_REF.
5637 (create_expression_by_pieces): Likewise.
5638 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5640 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5642 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5643 is operand of switch, not str[0].
5645 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5647 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5648 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5650 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5652 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5653 end of insn_extra_address_constraint declaration.
5655 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5657 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5658 (no-sum-in-toc): Same.
5659 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5661 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5662 NO_FP_IN_TOC for -fPIC instead of mask.
5664 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5665 (BOOT_LDFLAGS): Delete.
5667 * config/rs6000/t-aix52: Same.
5669 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5670 (stmsi[345678]_power): New.
5672 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5674 * config/ia64/ia64.opt: Add empty line to end of file.
5676 2006-03-17 Richard Guenther <rguenther@suse.de>
5679 * builtins.c (get_pointer_alignment): For component style references
5680 adjust alignment to the component type alignment. Make sure
5681 to adjust alignment for component access of constants.
5683 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5685 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5688 2006-03-17 Paul Brook <paul@codesourcery.com>
5690 * doc/install.texi: Docuemnt --with-mode.
5691 * config.gcc: Add --with-mode for arm*-*-*.
5692 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5694 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5696 * sh.c (max_labelno_before_reorg): New variable.
5697 (sh_reorg): Initialize it.
5698 (find_barrier): Check max_labelno_before_reorg before using
5699 label_to_alignment. Take length of explicit alignment insns
5700 into account. When seeing a UNSPECV_CONST_END, return it.
5702 * sh.c (fixup_mova): Set mode of affected label to QImode.
5703 (untangle_mova): New function.
5704 (find_barrier): Use it. Check mode of label before decrementing
5706 (sh_reorg): Likewise.
5707 Set mode of all insns back to VOIDmode.
5709 * sh.c (MOVA_LABELREF): New macro.
5710 (mova_p, fixup_mova, sh_reorg): Use it.
5711 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5712 ADDR_DIFF_VEC matches mova.
5714 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5716 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5717 with ATTRIBUTE_UNUSED.
5719 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5721 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5722 pointer, instead of assuming it is possible to derive the
5723 correct args size from a call insn.
5725 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5727 * rtl.h (CONST_INT_P): Define.
5728 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5729 instead of GET_CODE(x) == CONST_INT.
5730 (vax_rtx_costs): Likewise.
5731 (vax_output_int_move): Likewise.
5732 (vax_output_int_add): Likewise.
5733 (legitimate_constant_address_p): Likewise.
5734 (index_term_p): Likewise.
5735 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5736 * config/vax/vax.md (and<mode>3): Likewise.
5737 (ashrsi3): Likewise.
5739 (movstricthi): Likewise.
5740 (movstrictqi): Likewise.
5741 (rotrsi3): Likewise.
5742 (five unnamed insns): Likewise.
5744 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5746 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5747 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5748 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5749 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5750 Pass to ASM_OUTPUT_DWARF_OFFSET.
5751 * dwarf2out.c (debug_frame_section): New.
5752 (output_call_frame_info): Use debug_frame_section. Pass it to
5753 dw2_asm_output_offset.
5754 (output_die): Pass appropriate section to dw2_asm_output_offset.
5755 (output_compilation_unit_header): Likewise.
5756 (output_pubnames): Likewise.
5757 (output_aranges): Likewise.
5758 (enum dw_val_class): Break dw_val_class_lbl_offset into
5759 dw_val_class_lineptr and dw_val_class_macptr.
5760 (add_AT_lbl_offset): Delete.
5761 (add_AT_lineptr): New.
5762 (add_AT_macptr): New.
5763 (AT_lbl): Expect a lineptr or macptr.
5764 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5765 (attr_checksum): Likewise.
5766 (same_dw_val_p): Likewise.
5767 (size_of_die): Likewise.
5768 (value_format): Likewise.
5769 (output_die): Likewise.
5770 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5772 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5773 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5774 * config/darwin-protos.h (darwin_file_start): New.
5775 (darwin_asm_output_dwarf_offset): New.
5776 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5777 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5779 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5780 if not EH section; simplify.
5781 (darwin_file_start): New.
5782 (darwin_asm_output_dwarf_offset): New.
5783 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5785 (DEBUG_INFO_SECTION): Likewise.
5786 (DEBUG_ABBREV_SECTION): Likewise.
5787 (DEBUG_ARANGES_SECTION): Likewise.
5788 (DEBUG_MACINFO_SECTION): Likewise.
5789 (DEBUG_LINE_SECTION): Likewise.
5790 (DEBUG_LOC_SECTION): Likewise.
5791 (DEBUG_PUBNAMES_SECTION): Likewise.
5792 (DEBUG_STR_SECTION): Likewise.
5793 (DEBUG_RANGES_SECTION): Likewise.
5794 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5795 (ASM_OUTPUT_DWARF_OFFSET): New.
5797 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5799 * config.gcc (tm_defines): Always add to previous value rather
5802 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5804 * config/mips/predicates.md (splittable_const_int_operand): New,
5805 split from move_operand.
5806 (splittable_symbolic_operand): New.
5807 (move_operand): Add commentary. Use splittable_const_int_operand.
5808 Inline mips_atomic_symbolic_constant_p.
5809 * config/mips/mips.md: Add combine splitters for handling moves
5810 of splittable_const_int_operands and splittable_symbolic_operands.
5811 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5812 (mips_split_symbol): Declare.
5813 (mips_move_integer): Declare.
5814 * config/mips/mips.c (mips_split_p): Make global.
5815 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5816 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5817 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5818 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5819 (mips_offset_within_object_p): Handle block symbols.
5820 (mips_atomic_symbolic_constant_p): Delete.
5821 (mips_cannot_force_const_mem): Return false for constants that
5822 mips_legitimize_move can handle.
5823 (mips_use_blocks_for_constant_p): New function.
5824 (mips_split_symbol): Make global.
5825 (mips_move_integer): Likewise. Add a temporary register argument.
5826 (mips_legitimize_const_move): Use splittable_const_int_operand and
5827 splittable_symbolic_operand.
5828 (mips_use_anchors_for_symbol_p): New function.
5829 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5830 (mips_split_p): Declare.
5832 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5834 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5835 (mips*-*-linux*): Likewise.
5837 2006-03-16 Roger Sayle <roger@eyesopen.com>
5838 Daniel Speyer <dspeyer@wam.umd.edu>
5841 * tree-dump.c (dump_real): New function.
5842 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5843 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5844 (tree-dump.o): Add $(REAL_H) to the dependencies.
5846 2006-03-16 Roger Sayle <roger@eyesopen.com>
5849 * real.c (real_from_string): If the mantissa is zero, don't bother
5850 parsing the exponent as the result should always be zero.
5852 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5854 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5856 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5858 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5859 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5860 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5861 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5862 ia64_sched_finish_global): New static functions to implement
5863 hooks from gcc_target.sched.
5864 (spec_check_no, max_uid, pending_data_specs): New static variables.
5865 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5866 ia64_spec_check_src_p): New static functions.
5867 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5868 (TARGET_SCHED_ADJUST_COST): Removed.
5869 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5870 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5871 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5872 TARGET_SCHED_GEN_CHECK,
5873 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5874 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5875 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5876 Fixed to handle speculation checks.
5877 (rtx_needs_barrier): Fixed to handle speculative loads and
5879 (ia64_variable_issue): Added code to count speculative loads and their
5881 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5883 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5885 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5887 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5888 (ia64_reorg): Reset stops_p to NULL after it is freed.
5889 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5890 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5891 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5893 (data_speculative, control_speculative, check_load): New attributes.
5894 (mov<mode>_advanced, mov<mode>_speculative,
5895 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5896 zero_extend<mode>di2_speculative,
5897 zero_extend<mode>di2_speculative_advanced): New patterns for
5898 data and control speculative loads.
5899 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5901 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5902 New pattern for data and control speculation checks.
5903 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5904 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5905 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5906 Auxiliary definitions for the patterns.
5907 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5908 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5910 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5912 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5913 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5914 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5915 New resource constraints.
5916 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5918 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5919 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5920 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5921 msched-in-control-spec, msched-ldc, msched-control-ldc,
5922 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5923 msched-prefer-non-control-spec-insns,
5924 msched-count-spec-in-critical-path): New flags to tune speculative
5926 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5927 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5928 msched-in-control-spec, msched-ldc, msched-control-ldc,
5929 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5930 msched-prefer-non-control-spec-insns,
5931 msched-count-spec-in-critical-path): Document new flags.
5933 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5935 * target.h (struct spec_info_def): New opaque declaration.
5936 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5937 speculate_insn, needs_block_p, gen_check,
5938 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5939 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5940 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5941 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5942 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5943 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5945 (TARGET_SCHED): Use new macros.
5946 * rtl.h (copy_DEPS_LIST_list): New prototype.
5947 * sched-int.h (struct sched_info): Change signature of new_ready field,
5948 adjust all initializations. New fields: add_remove_insn,
5949 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5950 region_head_or_leaf_p.
5951 (struct spec_info_def): New structure declaration.
5952 (spec_info_t): New typedef.
5953 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5954 recovery_block, orig_pat.
5955 (glat_start, glat_end): New variables declaraions.
5956 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5958 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5959 DETACH_LIFE_INFO, USE_GLAT.
5960 (enum SPEC_SCHED_FLAGS): New enumeration.
5961 (NOTE_NOTE_BB_P): New macro.
5962 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5963 attach_life_info, debug_spec_status, check_reg_live): New functions.
5964 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5965 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5967 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5968 * ddg.c (get_block_head_tail): Adjust all uses.
5969 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5970 (sms_sched_info): Initialize new fields.
5971 (contributes_to_priority): Removed.
5972 * haifa-sched.c (params.h): New include.
5973 (get_block_head_tail): Adjust all uses.
5974 (ISSUE_POINTS): New macro.
5975 (glat_start, glat_end): New global variables.
5976 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5977 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5978 old_last_basic_block, before_recovery, current_sched_info_var,
5979 rgn_n_insns, luid): New static variables.
5980 (insn_cost1): New function. Move logic from insn_cost to here.
5981 (find_insn_reg_weight1): New function. Move logic from
5982 find_insn_reg_weight to here.
5983 (reemit_notes, move_insn, max_issue): Change signature.
5984 (move_insn1): Removed.
5985 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5986 extend_bb): New static functions to support extension of scheduler's
5988 (generate_recovery_code, process_insn_depend_be_in_spec,
5989 begin_speculative_block, add_to_speculative_block,
5990 init_before_recovery, create_recovery_block, create_check_block_twin,
5991 fix_recovery_deps): New static functions to support
5992 generation of recovery code.
5993 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5994 restore_bb_notes, move_block_after_check, move_succs): New static
5995 functions to support ebb scheduling.
5996 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5997 functions to support handling of register live information.
5998 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5999 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6000 add_jump_dependencies): New static functions.
6001 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6002 consistancy checking.
6003 (debug_spec_status): New function to call from debugger.
6004 (priority): Added code to handle speculation checks.
6005 (rank_for_schedule): Added code to distinguish speculative instructions.
6006 (schedule_insn): Added code to handle speculation checks.
6007 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6008 Fixed to handle ebbs.
6009 (move_insn): Added code to handle ebb scheduling.
6010 (max_issue): Added code to use ISSUE_POINTS of instructions.
6011 (choose_ready): Added code to choose between speculative and
6012 non-speculative instructions.
6013 (schedule_block): Added code to handle ebb scheduling and scheduling of
6014 speculative instructions.
6015 (sched_init): Initialize new variables.
6016 (sched_finish): Free new variables. Print statistics.
6017 (try_ready): Added code to handle speculative instructions.
6018 * lists.c (copy_DEPS_LIST_list): New function.
6019 * sched-deps.c (extend_dependency_caches): New function. Move logic
6020 from create_dependency_caches to here.
6021 (get_dep_weak, ds_merge): Make global.
6022 * genattr.c (main): Code to output prototype for
6023 dfa_clear_single_insn_cache.
6024 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6025 (output_dfa_clean_insn_cache_func): Code to output
6026 dfa_clear_single_insn_cache function.
6027 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6029 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6031 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6032 New static variables.
6033 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6034 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6036 (ebb_sched_info): Initialize new fields.
6037 (get_block_head_tail): Adjust all uses.
6038 (compute_jump_reg_dependencies): Fixed to use glat_start.
6039 (schedule_ebb): Code to remove unreachable last block.
6040 (schedule_ebbs): Added code to update register live information.
6041 * sched-rgn.c (region_sched_info): Initialize new fields.
6042 (get_block_head_tail): Adjust all uses.
6043 (last_was_jump): Removed. Adjust users.
6044 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6045 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6046 Implement new hooks.
6047 (check_dead_notes1): New static function.
6048 (struct region): New fields: dont_calc_deps, has_real_ebb.
6049 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6050 (BB_TO_BLOCK): Fixed to handle EBBs.
6051 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6052 (ebb_head): New static variable.
6053 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6054 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6056 (compute_dom_prob_ps): New assertion.
6057 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6058 global_live_at_start.
6059 (init_ready_list): New assertions.
6060 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6061 (new_ready): Add support for BEGIN_CONTROL speculation.
6062 (schedule_insns): Fixed code that updates register live information
6064 (schedule_region): Fixed to handle EBBs.
6065 (init_regions): Use extend_regions and check_dead_notes1.
6066 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6067 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6068 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6069 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6070 TARGET_SCHED_GEN_CHECK,
6071 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6072 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6073 * doc/invoke.texi (max-sched-insn-conflict-delay,
6074 sched-spec-prob-cutoff): Document.
6076 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6078 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6079 inter_tick, queue_index.
6080 (struct sched_info): Change signature of init_ready_list field.
6081 Adjust all initializations.
6082 (RESOLVED_DEPS): New access macro.
6083 (ready_add): Remove prototype.
6084 (try_ready): Add prototype.
6085 * sched-rgn.c (init_ready_list): Use try_ready.
6086 (schedule_region): Initialize
6087 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6088 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6089 (init_ready_list): Use try_ready.
6090 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6091 * lists.c (remove_list_elem): Remove `static'.
6092 (remove_free_INSN_LIST_elem): New function.
6093 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6094 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6095 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6097 (readyp): New variable.
6098 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6099 change_queue_index, resolve_dep): New static functions.
6100 (try_ready): New function. Adjust callers in sched-rgn.c and
6101 sched-ebb.c to use it instead of ready_add.
6102 (clock_var): Move at the begining of file.
6103 (rank_for_schedule): Fix typo.
6104 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6105 (ready_lastpos): Enforce assertion.
6106 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6108 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6109 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6110 (queue_to_ready): Use free_INSN_LIST_list.
6111 (early_queue_to_ready): Fix typo.
6112 (schedule_block): Init readyp. Move init_ready_list call after the
6113 initialization of clock_var. Fix error in rejecting insn by
6114 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6115 that previously corrected INSN_TICKs. Add code for handling
6117 (set_priorities): Fix typo.
6118 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6119 Clarify comment and code that keeps current_sched_info->next_tail
6122 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6124 * sched-rgn.c (extend_rgns): New static function.
6125 (find_rgns): Use it.
6126 (gather_region_statistics, print_region_statistics): New static
6128 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6129 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6131 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6132 Andrey Belevantsev <abel@ispras.ru>
6134 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6135 * lists.c (unused_deps_list): New variable.
6136 (free_list): Add assertions to verify the proper distinguishing
6137 between INSN_LISTs and DEPS_LISTs.
6138 (find_list_elem, remove_list_elem, remove_list_node): New static
6140 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6141 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6142 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6143 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6145 (free_INSN_LIST_node): Likewise.
6146 * modulo-sched.c (current_sched_info): Initialize flags field.
6147 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6148 * rtl.def (DEPS_LIST): Define.
6149 * rtl.h: Declare new functions from lists.c.
6150 * sched-deps.c (spec_dependency_cache): New static variable.
6151 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6152 (add_dependence): Change return type to void. Move the logic to ...
6153 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6154 (delete_all_dependences): Add comment about forward_dependency_cache.
6155 Handle spec_dependency_cache. Handle DEPS_LISTs.
6156 (fixup_sched_groups): Clarify the change of priority of output
6157 and anti dependencies.
6158 (sched_analyze_2): Adjust add_dependence calls to create data
6159 speculative dependence.
6160 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6161 Adjust all callers. Handle DEPS_LISTS.
6162 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6163 presence of speculation.
6164 (init_dependency_caches, free_dependency_caches):
6165 Handle spec_dependency_cache.
6166 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6167 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6168 New static functions.
6169 (add_or_update_back_dep, add_or_update_back_forw_dep,
6170 add_back_forw_dep, delete_back_forw_dep): New functions.
6171 * sched-int.h (ds_t, dw_t): New typedefs.
6172 (struct sched_info): Add new field flags.
6173 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6174 Prototype new sched-deps.c functions.
6175 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6176 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6177 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6178 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6179 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6180 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6182 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6184 * sched-rgn.c (current_sched_info): Initialize flags field.
6185 (schedule_insns): Initialize current_sched_info before the sched_init
6187 * sched-ebb.c (current_sched_info): Initialize flags field.
6188 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6189 Call add_or_update_back_dep instead of add_dependence.
6190 Create control speculative dependencies.
6191 (schedule_insns): Initialize current_sched_info before the sched_init
6194 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6196 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6198 (sh_fallback_frame_state): Likewise.
6200 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6202 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6203 Do switch on default_use_cxa_atexit.
6204 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6205 * config/darwin-crt3.o: New.
6206 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6207 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6208 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6210 * config/rs6000/t-darwin: Move crt2.o building to here.
6211 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6212 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6215 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6217 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6218 from '! xxx' to '!xxx' for coding-style conformance.
6219 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6220 (EXTRA_CONSTRAINT): Likewise.
6221 * config/vax/vax.md (four unnamed insns): Likewise.
6223 2006-03-15 Paul Brook <paul@codesourcery.com>
6225 * config/arm/arm.c (minipool_pad): New.
6226 (add_minipool_forward_ref): Include pool alignment padding in address
6228 (push_minipool_fix): Set minipool_pad.
6229 (minipool_pad): Ditto.
6231 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6233 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6234 instead of GET_CODE() == MEM and REG_P() instead of
6236 (print_operand_address): Likewise.
6237 (vax_address_cost): Likewise.
6238 (vax_rtx_costs): Likewise.
6239 (vax_notice_update_cc): Likewise.
6240 (vax_output_int_add): Likewise.
6241 (INDEX_REGISTER_P): Likewise.
6242 (BASE_REGISTER_P): Likewise.
6243 (nonindexed_address_p): Likewise.
6244 (vax_mode_dependent_address_p): Likewise.
6245 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6246 (PRINT_OPERAND): Likewise.
6247 * config/vax/vax.md (ashlsi3): Likewise.
6248 (ashlsi3): Likewise.
6249 (some more unnamed insns): Likewise.
6251 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6253 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6254 iterator-style macro.
6255 (mark_control_dependent_edges_necessary): Update the use of
6256 EXECUTE_IF_CONTROL_DEPENDENT.
6258 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6260 * config/sh/predicates.md (cache_address_operand): Special.
6261 (ua_address_operand): Likewise.
6263 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6265 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6267 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6269 2006-03-15 Andreas Schwab <schwab@suse.de>
6271 * gensupport.c (identify_predicable_attribute): Don't free p_false
6272 when it is still in use.
6274 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6276 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6277 the default setting here.
6279 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6281 * tree-pass.h (pass_cfg): Remove.
6282 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6283 * passes.c (pass_cfg): Don't run it.
6285 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6287 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6288 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6290 (stack_regs_mentioned): Update the uses of
6291 stack_regs_mentioned_data. Don't access the array beyond its
6293 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6294 Don't include gt-reg-stack.h.
6296 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6297 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6299 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6302 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6305 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6307 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6309 2006-03-14 Richard Guenther <rguenther@suse.de>
6311 PR tree-optimization/26672
6312 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6315 2006-03-14 Richard Guenther <rguenther@suse.de>
6317 PR tree-optimization/26667
6318 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6319 node for the callees. Always allow inlining if it will shrink
6322 2006-03-14 Richard Guenther <rguenther@suse.de>
6325 * builtins.c (get_pointer_alignment): Prefer alignment
6326 information from decls over that from types.
6328 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6331 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6333 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6335 * config/rs6000/rs6000.opt (mdlmzb): New option.
6336 (msched-prolog, msched-epilog): Use Var not Mask.
6337 * doc/invoke.texi (-mdlmzb): Document.
6338 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6340 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6341 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6343 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6345 PR rtl-optimization/25739
6346 * bt-load.c (augment_live_range): Free tos pointer.
6348 * gensupport.c (identify_predicable_attribute): Free
6350 * gcov.c (create_file_names): Free name pointer.
6352 2006-03-13 Roger Sayle <roger@eyesopen.com>
6355 * stmt.c (emit_case_nodes): Handle the case where the index is a
6356 CONST_INT, where the comparison mode is specified by the index type.
6358 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6360 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6363 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6365 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6366 (*branch_fp_inverted): Likewise.
6368 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6371 * omp-low.c (expand_omp_for_generic): Mark istart0
6372 and iend0 as addressable.
6374 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6376 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6378 2006-03-13 Jeff Law <law@redhat.com>
6380 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6381 virtual operands are interesting.
6382 (vrp_visit_stmt): Corresponding changes.
6384 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6386 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6388 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6389 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6390 * config/bfin/crti.S: Use it instead of __PIC__.
6391 * config/bfin/crtn.S: Likewise.
6393 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6394 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6396 Lose 'G' modifier for call operand.
6397 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6398 recognize 'G' modifier.
6400 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6403 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6404 * stmt.c (expand_case): Likewise.
6406 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6408 PR rtl-optimization/26254
6409 * loop-invariant.c (seq_insns_valid_p): New function.
6410 (move_invariant_reg): Only emit new code if it is valid.
6412 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6414 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6416 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6417 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6418 (commit_one_edge_insertion): Do not look for loop notes.
6420 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6422 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6423 flag_test_coverage out of loop.
6425 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6427 * final.c (shorten_branches): Remove outdated comment, and turn
6428 the if branch that guards it to continue.
6430 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6432 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6433 * cfgloop.h (struct loop): Remove unused fields.
6435 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6437 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6438 (-dL, -fdump-rtl-loop2): Update the dump file names
6440 * doc/invoke.texi: Update dump file names.
6442 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6444 * predict.c (estimate_probability): Remove.
6445 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6446 * basic-block.h (estimate_probability): Remove prototype.
6447 * passes.c (finish_optimization_passes): Dump branch prediction or
6448 profiling heuristics to the .profile tree dump.
6449 (init_optimization_passes): Unqueue pass_branch_prob.
6451 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6453 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6455 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6456 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6458 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6460 * function.h (frame_offset_overflow): Declare.
6461 * function.c (frame_offset_overflow): New function.
6462 (assign_stack_local_1): Call it to detect that the offset overflows.
6463 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6465 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6467 * config/sh/sh.c: Include alloc-pool.h.
6468 (label_ref_list_pool): New alloc pool.
6469 (label_ref_list_t): New type for lists of labels.
6470 (struct pool_node): Make wend a label_ref_list_t.
6471 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6473 (dump_table): Likewise.
6474 (sh_reorg): Set up the alloc pool before using add_constant and
6475 dump_table, and destroy it when finishing.
6477 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6479 * config/mips/mips.c: Remove redundant comment.
6481 2006-03-10 Jason Merrill <jason@redhat.com>
6484 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6485 the target was declared 'register'.
6487 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6489 * genpreds.c (write_insn_constraint_len): Change definition of
6490 insn_constraint_len to return size_t to match the declaration.
6492 2006-03-10 DJ Delorie <dj@redhat.com>
6494 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6496 (m32c_expand_insv): Fix test for an AND mask.
6498 2006-03-10 Richard Guenther <rguenther@suse.de>
6501 * builtins.c (get_pointer_alignment): Handle component
6502 references for field alignment.
6504 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6506 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6507 when building with libgloss.
6508 (sh*elf): Implement --without-fp option.
6509 (sh64-superh-linux*): Don't multilib.
6511 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6513 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6515 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6517 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6518 Set it when one of the replacement functions returned true.
6519 Return TODO_cleanup_cfg if cfgchanged is true.
6520 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6522 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6524 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6525 instead of gen_lowpart.
6527 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6529 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6531 (mips_output_order_conditional_branch): Declare.
6532 * config/mips/mips.h (MIPS_BRANCH): New macro.
6533 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6534 for the comparison. Use gen_condjump.
6535 (mips_output_conditional_branch): Rework interface to take the
6536 asm templates for a direct branch and the inverse of a direct branch.
6537 (mips_output_order_conditional_branch): New function.
6538 (mips_builtin_branch_and_move): New function.
6539 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6540 branch condition. Use gen_single_cc as the condition for
6541 __builtin_mips_upper_* or __builtin_mips_lower_*.
6542 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6543 Use VOIDmode for the branch condition.
6544 * config/mips/predicates.md (order_operator): New predicate.
6545 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6546 (branch_fp): Rename to...
6547 (*branch_fp): ...this. Remove mode from comparison operator.
6548 Use new mips_output_conditional_branch interface.
6549 (branch_fp_inverted): Rename to...
6550 (*branch_fp_inverted): ...this and update as for *branch_fp.
6551 (*branch_zero<mode>): Rename to...
6552 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6553 Use mips_output_order_conditional_branch. Only accept ordered
6555 (*branch_zero<mode>_inverted): Rename to...
6556 (*branch_order<mode>_inverted): ...this and update as for
6557 *branch_order<mode>.
6558 (*branch_equality<mode>): Accept zero as the second operand to
6559 the equality operator. Use the new mips_output_conditional_branch
6561 (*branch_equality<mode>_inverted): Likewise.
6562 (condjump): New expander.
6563 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6565 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6566 (bc1any2t, bc1any2f): Likewise.
6567 (single_cc): New expander.
6568 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6570 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6572 * doc/md.texi: Update documentation of MIPS constraints.
6573 * config/mips/constraints.md: New file.
6574 * config/mips/mips.md: Include it.
6575 * config/mips/mips.c (mips_char_to_class): Delete.
6576 (override_options): Don't initialize mips_char_to_class.
6577 * config/mips/mips.h (mips_char_to_class): Delete.
6578 (REG_CLASS_FROM_LETTER): Delete.
6579 (CONST_OK_FOR_LETTER_P): Delete.
6580 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6581 (EXTRA_CONSTRAINT_Y): Delete.
6582 (EXTRA_CONSTRAINT_STR): Delete.
6583 (CONSTRAINT_LEN): Delete.
6584 (EXTRA_MEMORY_CONSTRAINT): Delete.
6586 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6588 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6589 original fn's eh regions.
6591 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6593 * fold-const.c (build_range_check): Make sure to use a valid type to
6594 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6597 (range_predecessor): New static function.
6598 (range_successor): Likewise.
6599 (merge_ranges): Use them to compute predecessors and successors of
6602 2006-03-09 Roger Sayle <roger@eyesopen.com>
6605 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6606 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6608 2006-03-08 DJ Delorie <dj@redhat.com>
6610 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6611 (addpsi3): Expand to include memory operands. Remove
6612 reload-specific splits.
6613 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6614 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6615 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6616 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6617 (shift1_qi, shift1_hi, insv): New.
6618 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6619 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6620 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6622 * config/m32c/m32c-protos.h: Update as needed.
6623 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6624 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6625 Fail for unrecognized R* constraints.
6626 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6627 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6628 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6630 (m32c_init_libfuncs): New.
6631 (m32c_legitimate_address_p): Add debug wrapper.
6632 (m32c_rtx_costs): New.
6633 (m32c_address_cost): New.
6634 (conversions): Add 'B' prefix.
6635 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6636 operands, or word regnames for QI operands. 'B' prints bit
6638 (m32c_expand_setmemhi): New.
6639 (m32c_expand_movmemhi): New.
6640 (m32c_expand_movstr): New.
6641 (m32c_expand_cmpstr): New.
6642 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6643 (m32c_expand_neg_mulpsi3): Handle non-ints.
6644 (m32c_cmp_flg_0): New.
6645 (m32c_expand_movcc): New.
6646 (m32c_expand_insv): New.
6647 (m32c_scc_pattern): New.
6648 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6649 a0/a1 out of SIregs.
6650 (STORE_FLAG_VALUE): New.
6651 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6654 * config/m32c/mov.md: Make constraints more liberal.
6655 (zero_extendqihi2): Optimize r0/r1 case.
6656 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6657 * config/m32c/predicates.md (m32c_any_operand): New.
6658 (m32c_nonimmediate_operand): New.
6659 (m32c_hl_operand): New.
6660 (m32c_r3_operand): New.
6663 (memsym_operand): New.
6664 (memimmed_operand): New.
6665 (a_qi_operand): New.
6666 (m32c_eqne_operator): New.
6667 (m32c_1bit8_operand): New.
6668 (m32c_1bit16_operand): New.
6669 (m32c_1mask8_operand): New.
6670 (m32c_1mask16_operand): New.
6671 * config/m32c/blkmov.md: New file.
6672 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6674 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6676 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6677 unsigned to fix signed/unsigned comparison issue in
6678 DWARF2_FRAME_REG_OUT.
6679 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6680 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6682 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6683 of ptr into the ENABLE_CHECKING section.
6685 2006-03-08 Jeff Law <law@redhat.com>
6687 * tree-vrp.c (infer_value_range): Only count pointer uses
6688 and dereferences if -fdelete-null-pointer-checks is enabled.
6690 * tree-vrp.c (find_assert_locations): Infer value ranges for
6691 single use pointers, but do not create ASSERT_EXPRs for them.
6692 When a non-null range is inferred for a pointer, backwards
6693 propagate that range to other equivalent pointers through the
6696 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6699 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6700 language hook targets.
6701 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6702 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6703 if language hook targets were missing.
6705 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6707 * tree-ssa-opfinalize.h: Removed.
6708 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6710 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6711 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6712 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6713 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6714 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6715 finalize_ssa_v_must_def_ops): New.
6717 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6719 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6722 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6724 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6726 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6727 addresses with offsets; reorganize.
6729 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6730 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6731 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6733 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6736 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6738 2006-03-08 Ben Elliston <bje@au.ibm.com>
6740 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6742 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6745 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6748 2006-03-07 Richard Guenther <rguenther@suse.de>
6750 PR tree-optimization/26587
6751 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6753 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6755 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6757 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6759 * hooks.c (hook_bool_mode_rtx_true): New function.
6760 * hooks.h (hook_bool_mode_rtx_true): Declare.
6761 * toplev.c (compile_file): Call output_shared_constant_pool.
6762 * varasm.c (shared_constant_pool): New variable.
6763 (assemble_start_function, assemble_end_function): Remove arguments
6764 from call to output_constant_pool.
6765 (create_constant_pool): New function, split out from...
6766 (init_varasm_status): ...here.
6767 (force_const_mem): Choose between the shared and per-function constant
6768 pools. Set current_function_uses_const_pool when reusing old entries
6769 as well as when creating new ones.
6770 (mark_constant): Ignore data argument.
6771 (mark_constants): Remove pool argument.
6772 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6773 to decide whether the function uses a constant pool.
6774 (output_constant_pool_contents): New function, split out from...
6775 (output_constant_pool): ...here.
6776 (output_shared_constant_pool): New function.
6777 (init_varasm_once): Initialize shared_constant_pool.
6778 * output.h (output_constant_pool): Delete.
6779 (output_shared_constant_pool): Declare.
6780 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6781 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6783 2006-03-06 Nick Clifton <nickc@redhat.com>
6785 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6786 flag_strength_reduce.
6788 2006-03-06 Ben Elliston <bje@au.ibm.com>
6790 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6791 x86_64-*-linux* configurations.
6793 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6794 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6796 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6798 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6800 * basic-block.h: Remove the extern for
6801 rediscover_loops_after_threading.
6803 * cfgloop.c (cancel_loop): Make it static.
6804 * cfgloop.h: Remove the prototype for cancel_loop.
6806 * flow.c (recompute_reg_usage): Make it static.
6807 * rtl.h: Remove the prototype for recompute_reg_usage.
6809 * function.c (use_return_register): Make it static.
6810 * function.h: Remove the prototype.
6812 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6814 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6816 * recog.h: Remove the prototype for
6817 validate_change_maybe_volatile.
6819 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6821 * rtlanal.c (replace_reg): Remove.
6822 * rtl.h: Remove the prototype for replace_reg.
6824 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6826 * regclass.c (reg_scan_update): Remove.
6827 (reg_scan_mark_refs): Remove the last argument.
6828 * rtl.h: Remove the prototype for reg_scan_update.
6830 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6832 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6833 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6834 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6835 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6836 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6837 loop-invariant.c, omp-low.c, opts.c, passes.c,
6838 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6839 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6840 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6841 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6842 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6843 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6845 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6847 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6848 * dwarf2out.h: Remove the prototype for
6849 dwarf2out_add_library_unit_info.
6851 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6853 * tree.c (add_var_to_bind_expr): Remove.
6854 * tree.h: Remove the prototype for add_var_to_bind_expr.
6856 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6858 * regclass.c (n_non_fixed_regs): Remove.
6859 (init_reg_sets_1, globalize_reg): Remove all uses of
6861 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6863 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6865 * rtlanal.c (insns_safe_to_move_p): Remove.
6866 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6868 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6870 * expmed.c (expand_mult_add): Remove.
6871 * expr.h: Remove the prototype for expand_mult_add.
6873 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6875 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6876 and REG_SAVED_VAL_EXP constants.
6877 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6878 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6879 Handle regs stored by value.
6880 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6881 (execute_cfa_program): Handle DW_CFA_val_offset,
6882 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6883 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6884 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6885 (uw_install_context_1): Handle target regs stored by value.
6887 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6889 * tree-sra.c (tree_sra): Return todoflags;
6890 (generate_one_element): Set TODO_update_smt_usage if needed.
6891 (pass_sra): Remove TODO_update_smt_usage.
6892 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6894 (tree_ssa_forward_propagate_single_use_vars): Return
6895 TODO_update_smt_usage if we need to update SMT usage.
6896 (pass_forwprop): Remove TODO_update_smt_usage.
6898 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6900 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6901 (correct_use_link): Remove reference to get_stmt_operands.
6902 (update_stmt_operands): Likewise.
6903 (get_modify_expr_operands): New function factored out of
6904 parse_ssa_operands and get_expr_operands.
6905 Try to create V_MUST_DEFs for LHS by default.
6906 (get_expr_operands) <case MODIFY_EXPR>: Call
6907 get_modify_expr_operands.
6908 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6909 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6910 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6911 get_modify_expr_operands.
6913 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6915 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6916 * tree-flow.h: Remove the prototype for
6917 referenced_var_lookup_if_exists.
6919 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6921 PR rtl-optimization/26345
6923 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6925 2006-03-03 Roger Sayle <roger@eyesopen.com>
6927 PR tree-optimization/26524
6928 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6929 fold_convert to create a constant of the appropriate type.
6931 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6933 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6934 SYMBOL_REF_IN_BLOCK_P.
6935 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6936 of SYMBOL_FLAG_IN_BLOCK.
6937 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6938 instead of SYMBOL_REF_IN_BLOCK_P.
6939 * explow.c (use_anchored_address): Likewise.
6940 * rtl.c (rtx_size): Likewise.
6941 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6942 instead of SYMBOL_FLAG_IN_BLOCK.
6943 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6944 SYMBOL_REF_IN_BLOCK_P.
6945 (assemble_variable): Likewise.
6946 (output_constant_def_contents): Likewise.
6947 (output_constant_pool): Likewise.
6948 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6949 instead of SYMBOL_FLAG_IN_BLOCK.
6950 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6951 SYMBOL_REF_IN_BLOCK_P.
6952 (SYMBOL_REF_BLOCK): Likewise.
6953 (SYMBOL_REF_OFFSET): Likewise.
6954 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6955 SYMBOL_REF_IN_BLOCK_P.
6956 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6957 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6958 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6959 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6961 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6963 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6965 2006-03-02 Roger Sayle <roger@eyesopen.com>
6967 * simplify-rtx.c (simplify_unary_operation): When simplifying
6968 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6969 that we perform the right shift in the appropriate mode, and
6970 then extend or truncate the result to requested mode.
6972 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6974 * gengtype.c (main): Handle double_int type.
6975 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6976 * double-int.c: New file.
6977 * double-int.h: New file.
6978 * system.h: Include doubleint.h.
6979 * Makefile.in (SYSTEM_H): Include double-int.h.
6980 (double-int.o): Add.
6982 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6985 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6988 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6990 * tree-vrp.c (remove_range_assertions): Do not update statements
6993 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6995 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6997 * gcse.c (rest_of_handle_gcse): Ditto.
6998 * except.c (gate_handle_eh): Ditto.
6999 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7000 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7002 2006-03-02 Eric Christopher <echristo@apple.com>
7004 * config/i386/i386.c (machopic_output_stub): Add indirection to
7007 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7011 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7013 Sun Niagara specific optimizations.
7014 * config.gcc: Recognize niagara as target.
7015 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7016 (TARGET_CPU_niagara): Define.
7017 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7018 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7019 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7020 (ASM_CPU_SPEC): Likewise.
7021 (PROCESSOR_NIAGARA): New enum entry.
7022 (REGISTER_MOVE_COST): Handle Niagara.
7023 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7024 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7025 (sparc_override_options): Recognize "niagara", set appropriate
7026 default MASK_* values for it, and align functions to 32-bytes
7027 by default just like ULTRASPARC/ULTRASPARC3.
7028 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7029 (sparc64_initialize_trampoline): Likewise.
7030 (sparc_use_sched_lookahead): Use zero for niagara.
7031 (sparc_issue_rate): Use one for niagara.
7032 * config/sparc/niagara.md: New file.
7033 * config/sparc/sparc.md: Include it.
7034 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7035 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7036 when default cpu is niagara.
7037 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7038 (ASM_CPU_SPEC): Likewise.
7039 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7040 when default cpu is niagara.
7041 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7042 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7043 just like v9/ultrasparc/ultrasparc3.
7044 * doc/invoke.texi: Add documentation for "niagara" and improve
7045 existing documentation for ultrasparc variants.
7047 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7049 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7051 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7053 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7054 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7055 and say that only one is needed.
7056 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7057 * target.h (have_switchable_bss_sections): New hook.
7058 * explow.c (use_anchored_address): Check that the symbol is in a block.
7059 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7060 (bss_noswitch_section): New variables.
7061 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7062 (get_noswitch_section): New function.
7063 (get_block_for_section): Allow SECT to be null.
7064 (unlikely_text_section_p): Use SECTION_STYLE.
7065 (bss_initializer_p): New function.
7066 (get_variable_section): Move earlier in file. Take a new argument,
7067 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7068 Return one of the new *_sections in such cases.
7069 (get_block_for_decl): New function, extracting some logic from
7070 use_blocks_for_decl_p.
7071 (change_symbol_section): Remove in favor of...
7072 (change_symbol_block): ...this new function.
7073 (use_blocks_for_decl_p): Remove checks now performed by
7075 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7076 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7077 (emit_local, emit_bss, emit_common): ...these new functions.
7078 Return true if the alignment was honored.
7079 (emit_tls_common): New function.
7080 (asm_emit_uninitialised): Delete.
7081 (assemble_variable_noswitch): New function, split out from...
7082 (assemble_variable): ...here. Don't make decisions about common
7083 variables here. Globalize all public decls that go into non-common
7084 sections. Check whether SYMBOL_REF_BLOCK is null.
7085 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7086 (output_constant_pool): Likewise.
7087 (init_varasm_once): Initialize the new section variables.
7088 (have_global_bss_p): New function.
7089 (categorize_decl_for_section): Use bss_initializer_p.
7090 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7091 (place_block_symbol): Assert that the symbol must be in a block.
7092 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7093 (TARGET_INITIALIZER): Include it.
7094 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7095 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7096 (SECTION_MACH_DEP): Bump by two.
7097 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7098 (unnamed_section): Mention SECTION_UNNAMED in comment.
7099 (named_section): Likewise SECTION_NAMED.
7100 (noswitch_section_callback): New type.
7101 (noswitch_section): New structure.
7102 (section): Add a noswitch_section alternative.
7103 (SECTION_STYLE): New macro.
7104 (tls_comm_section, comm_section, lcomm_section): Declare.
7105 (bss_noswitch_section, have_global_bss_p): Declare.
7106 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7107 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7109 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7110 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7113 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7115 * tree-vrp.c (execute_vrp): Return value.
7116 * regrename.c (rest_of_handle_regrename): Ditto.
7117 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7118 * tree-complex.c (tree_lower_complex): Ditto.
7119 (tree_lower_complex_O0): Ditto.
7120 * tracer.c (rest_of_handle_tracer): Ditto.
7121 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7122 * postreload.c (rest_of_handle_postreload): Ditto.
7123 * tree-tailcall.c (execute_tail_recursion): Ditto.
7124 (execute_tail_calls): Ditto.
7125 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7126 * tree.h (init_function_for_compilation): Ditto.
7127 * ipa-cp.c (ipcp_driver): Ditto.
7128 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7129 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7130 * final.c (compute_alignments): Ditto.
7131 (rest_of_handle_final): Ditto.
7132 (rest_of_handle_shorten_branches): Ditto.
7133 (rest_of_clean_state): Ditto.
7134 * omp-low.c (execute_expand_omp): Ditto.
7135 (execute_lower_omp): Ditto.
7136 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7137 * ipa-reference.c (static_execute): Ditto.
7138 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7139 * reorg.c (rest_of_handle_delay_slots): Ditto.
7140 (rest_of_handle_machine_reorg): Ditto.
7141 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7142 * flow.c (recompute_reg_usage): Ditto.
7143 (rest_of_handle_remove_death_notes): Ditto.
7144 (rest_of_handle_life): Ditto.
7145 (rest_of_handle_flow2): Ditto.
7146 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7147 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7148 (do_ssa_store_ccp): Ditto.
7149 (execute_fold_all_builtins): Ditto.
7150 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7151 * modulo-sched.c (rest_of_handle_sms): Ditto.
7152 * ipa-pure-const.c (static_execute): Ditto.
7153 * cse.c (rest_of_handle_cse): Ditto.
7154 (rest_of_handle_cse2): Ditto.
7155 * web.c (rest_of_handle_web): Ditto.
7156 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7157 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7158 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7159 * tree-nrv.c (tree_nrv): Ditto.
7160 (execute_return_slot_opt): Ditto.
7161 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7162 (create_structure_vars): Ditto.
7163 * loop-init.c (rtl_loop_init): Ditto.
7164 (rtl_loop_done): Ditto.
7165 (rtl_move_loop_invariants): Ditto.
7166 (rtl_unswitch): Ditto.
7167 (rtl_unroll_and_peel_loops): Ditto.
7168 (rtl_doloop): Ditto.
7169 * gimple-low.c (lower_function_body): Ditto.
7170 (mark_used_blocks): Ditto.
7171 * tree-ssa-sink.c (execute_sink_code): Ditto.
7172 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7173 (cgraph_early_inlining): Ditto.
7174 * global.c (rest_of_handle_global_alloc): Ditto.
7175 * jump.c (cleanup_barriers): Ditto.
7176 (purge_line_number_notes): Ditto.
7177 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7178 (rest_of_handle_if_after_reload): Ditto.
7179 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7180 (tree_ssa_loop_im): Ditto.
7181 (tree_ssa_loop_unswitch): Ditto.
7182 (tree_vectorize): Ditto.
7183 (tree_linear_transform): Ditto.
7184 (tree_ssa_loop_ivcanon): Ditto.
7185 (tree_ssa_empty_loop): Ditto.
7186 (tree_ssa_loop_bounds): Ditto.
7187 (tree_complete_unroll): Ditto.
7188 (tree_ssa_loop_prefetch): Ditto.
7189 (tree_ssa_loop_ivopts): Ditto.
7190 (tree_ssa_loop_done): Ditto.
7191 * predict.c (tree_estimate_probability): Ditto.
7192 * recog.c (split_all_insns_noflow): Ditto.
7193 (rest_of_handle_peephole2): Ditto.
7194 (rest_of_handle_split_all_insns): Ditto.
7195 * tree-eh.c (lower_eh_constructs): Ditto.
7196 * regmove.c (rest_of_handle_regmove): Ditto.
7197 (rest_of_handle_stack_adjustments): Ditto.
7198 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7199 * function.c (instantiate_virtual_regs): Ditto.
7200 (init_function_for_compilation): Ditto.
7201 (rest_of_handle_check_leaf_regs): Ditto.
7202 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7203 (rest_of_handle_gcse): Ditto.
7204 * ipa-type-escape.c (type_escape_execute): Ditto.
7205 * alias.c (rest_of_handle_cfg): Ditto.
7206 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7207 * profile.c (rest_of_handle_branch_prob): Ditto.
7208 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7209 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7210 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7211 * tree-dfa.c (find_referenced_vars): Ditto.
7212 * except.c (set_nothrow_function_flags): Ditto.
7213 (convert_to_eh_region_ranges): Ditto.
7214 (rest_of_handle_eh): Ditto.
7215 * emit-rtl.c (unshare_all_rtl): Ditto.
7216 (remove_unnecessary_notes): Ditto.
7217 * except.h (set_nothrow_function_flags): Ditto.
7218 (convert_to_eh_region_ranges): Ditto.
7219 * cfgexpand.c (tree_expand_cfg): Ditto.
7220 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7221 * tree-ssa-pre.c (do_pre): Ditto.
7222 (execute_fre): Ditto.
7223 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7224 (rest_of_handle_jump2): Ditto.
7225 * tree-sra.c (tree_sra): Ditto.
7226 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7227 (execute_mudflap_function_decls): Ditto.
7228 * tree-ssa-copy.c (do_copy_prop): Ditto.
7229 (do_store_copy_prop): Ditto.
7230 * ipa-prop.h (ipcp_driver): Ditto.
7231 * cfglayout.c (insn_locators_initialize): Ditto.
7232 * tree-ssa-forwprop.c
7233 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7234 * cfglayout.h (insn_locators_initialize): Ditto.
7235 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7236 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7237 (execute_late_warn_uninitialized): Ditto.
7238 * rtl.h (cleanup_barriers): Ditto.
7239 (split_all_insns_noflow): Ditto.
7240 (purge_line_number_notes): Ditto.
7241 (unshare_all_rtl): Ditto.
7242 (remove_unnecessary_notes): Ditto.
7243 (recompute_reg_usage): Ditto.
7244 (variable_tracking_main): Ditto.
7245 * integrate.c (emit_initial_value_sets): Ditto.
7246 * integrate.h (emit_initial_value_sets): Ditto.
7247 * tree-optimize.c (execute_free_datastructures): Ditto
7248 (execute_free_cfg_annotations): Ditto.
7249 (execute_fixup_cfg): Ditto.
7250 (execute_cleanup_cfg_pre_ipa): Ditto.
7251 (execute_cleanup_cfg_post_optimizing): Ditto.
7252 (execute_init_datastructures): Ditto.
7253 * tree-object-size.c (compute_object_sizes): Ditto.
7254 * combine.c (rest_of_handle_combine): Ditto.
7255 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7256 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7257 (rest_of_handle_reorder_blocks): Ditto.
7258 (rest_of_handle_partition_blocks): Ditto.
7259 * var-tracking.c (variable_tracking_main): Ditto.
7260 * tree-profile.c (tree_profiling): Ditto.
7261 * tree-vect-generic.c (expand_vector_operations): Ditto.
7262 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7263 * sched-rgn.c (rest_of_handle_sched): Ditto.
7264 (rest_of_handle_sched2): Ditto.
7265 * basic-block.h (free_bb_insn): Ditto.
7266 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7267 * tree-cfg.c (execute_build_cfg): Ditto.
7268 (remove_useless_stmts): Ditto.
7269 (split_critical_edges): Ditto.
7270 (execute_warn_function_return): Ditto.
7271 (execute_warn_function_noreturn): Ditto.
7272 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7273 * cfgrtl.c (free_bb_for_insn): Ditto.
7274 * passes.c (execute_one_pass): Run additional
7275 todos returned by execute function.
7276 * tree-pass.h (struct tree_opt_pass): Make execute
7279 2006-03-02 Richard Guenther <rguenther@suse.de>
7281 * tree-ssa-alias.c (find_used_portions): Consider taking
7282 the address as making the variable not write-only.
7284 2006-03-02 Nick Clifton <nickc@redhat.com>
7286 * config.gcc (default_use_cxa_atexit): Extend the description of
7287 this configure variable. Set its default value to "yes" for
7288 Linux, NetBSD and ELF targets on the assumption that they will
7289 use C libraries with the __cxa_atexit function.
7291 2006-03-02 Ben Elliston <bje@au.ibm.com>
7293 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7294 parameter as unused to suppress a build warning.
7296 2006-03-02 Ben Elliston <bje@au.ibm.com>
7298 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7301 2006-03-01 Roger Sayle <roger@eyesopen.com>
7304 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7305 declared name, the weak reference name, and the typeof name.
7306 (__gthrw): Avoid expanding the declared name suffix.
7307 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7309 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7311 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7313 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7314 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7315 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7316 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7317 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7318 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7319 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7320 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7321 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7322 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7323 (DW_END_default, DW_END_big, DW_END_little): New.
7324 (DW_END_lo_user, DW_END_hi_user): Define.
7325 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7326 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7327 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7330 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7332 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7334 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7336 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7338 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7340 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7341 to 'symbol_mem_tag'.
7343 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7346 2006-03-01 Roger Sayle <roger@eyesopen.com>
7348 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7350 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7353 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7354 MACHO_DYNAMIC_NO_PIC_P.
7355 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7357 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7360 * config/darwin-protos.h (darwin_asm_output_anchor):
7362 * config/darwin-sections.def (cstring_section):
7363 Add SECTION_MERGE to the flags.
7364 (literal4_section): Likewise.
7365 (literal8_section): Likewise.
7366 (objc_selector_refs_section): Likewise.
7367 (objc_cls_refs_section): Likewise.
7368 * config/darwin.c (darwin_asm_output_anchor): New
7370 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7372 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7374 Fix PR tree-optimization/26443
7375 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7376 to todo and PROP_tmt_usage to properties_destroyed.
7377 * tree-ssa-ccp.c (pass_ccp): Ditto.
7378 (pass_store_ccp): Ditto.
7379 * tree-ssa-dom.c (pass_dominator): Ditto.
7381 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7383 * tree-ssa-operands.c: Cleanup whitespace.
7384 (get_asm_expr_operands): Move before first invocation.
7385 (get_indirect_ref_operands): Likewise.
7386 (get_tmr_operands): Likewise.
7387 (get_call_expr_operands): Likewise.
7388 (append_def): Likewise.
7389 (append_use): Likewise.
7390 (append_v_may_def): Likewise.
7391 (append_v_must_def): Likewise.
7392 (add_call_clobber_ops): Likewise.
7393 (add_call_read_ops): Likewise.
7394 (add_stmt_operand): Likewise.
7395 (add_virtual_operand): Likewise.
7396 (build_ssa_operands): Likewise.
7398 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7403 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7404 with a call expr to ...
7405 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7407 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7409 * tree-vrp.c (extract_range_from_assert): Remove special
7410 handling for types with super-types.
7412 2006-03-01 Ben Elliston <bje@au.ibm.com>
7414 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7415 and powerpc64-*-linux* configurations.
7416 * config/t-dfprules: New file.
7418 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7419 Compile dfp-bit.c from the source directory using -DWIDTH and
7420 $DFP_CFLAGS to control the compilation of that file, rather than
7421 generating width-specific versions in the build directory.
7422 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7423 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7425 2006-02-28 Zack Weinberg <zackw@panix.com>
7427 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7430 2006-02-28 Eric Christopher <echristo@apple.com>
7432 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7433 Set up IN_LIBGCC definition of TARGET_64BIT.
7434 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7436 2006-02-28 Roger Sayle <roger@eyesopen.com>
7439 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7440 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7441 cases via the construction of "expr != 0".
7443 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7445 * alias.c (alias_invariant, alias_invariant_size): Remove.
7446 (record_base_value): Remove.
7447 (memrefs_conflict_p): Don't look at alias_invariant.
7448 (end_alias_analysis): Don't free it.
7449 * alias.h (record_base_value): Remove prototype.
7451 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7452 Adam Nemet <anemet@caviumnetworks.com>
7454 * rtl.h (truncated_to_mode): Declare it.
7455 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7456 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7457 (RTL_HOOKS_INITIALIZER): Include it.
7458 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7459 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7460 reg_truncated_to_mode.
7461 * rtlanal.c (truncated_to_mode): Define it.
7462 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7464 2006-02-28 Jeff Law <law@redhat.com>
7466 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7467 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7468 the range allowed by TYPE_PRECISION.
7470 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7472 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7474 PR tree-optimization/26419
7475 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7478 2006-02-27 Zack Weinberg <zackw@panix.com>
7480 * doc/md.texi: Fix typo in previous change.
7482 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7486 2006-02-27 Zack Weinberg <zackw@panix.com>
7488 * rtl.def (define_constraint, define_register_constraint)
7489 (define_memory_constraint, define_address_constraint): New MD forms.
7490 * gensupport.c (process_rtx): Put define_constraint etc on the
7492 * genpreds.c (process_define_predicate): Adjust comment. Validate
7493 the name, and call validate_exp to validate the expression.
7494 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7495 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7496 all callers changed.
7497 (validate_exp, needs_variable, struct constraint_data)
7498 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7499 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7500 (const_dbl_constraints, constraint_max_namelen)
7501 (have_register_constraints, have_memory_constraints)
7502 (have_address_constraints, have_address_constraints)
7503 (have_extra_constraints, have_const_int_constraints)
7504 (have_const_dbl_constraints, mangle, add_constraint)
7505 (process_define_constraint, process_define_register_constraint)
7506 (write_enum_constraint_num, write_lookup_constraint)
7507 (write_insn_constraint_len, write_regclass_for_constraint)
7508 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7509 (write_insn_extra_memory_constraint)
7510 (write_insn_extra_address_constraint)
7511 (write_satisfies_constraint_fns): New.
7512 (write_tm_preds_h): If we have new-style constraint definitions,
7513 prototype the functions generated from them, and define the
7514 old constraint interface (still used by generic code) in terms of
7516 (write_insn_preds_c): If we have new-style constraint definitions,
7517 generate all relevant functions from those definitions.
7518 (main): Handle define_constraint etc.
7519 * genoutput.c (struct constraint_data, indep_constraints)
7520 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7521 (mdep_constraint_len): New data structures and functions, defined
7522 #ifdef USE_MD_CONSTRAINTS.
7523 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7524 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7525 use new logic to validate operand constraints against constraint
7527 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7529 * defaults.h: If none of the old-style constraint macros are
7530 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7531 old-style macros; and poison REG_CLASS_FROM_LETTER,
7532 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7534 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7535 * doc/md.texi: Document new constraint-definition mechanism and the
7536 C interface it provides. Remove references to old mechanism
7537 elsewhere in the document.
7538 (Machine Constraints): Use pathnames relative to gcc directory,
7539 i.e. config/ARCH/FILE. Change i386 section to refer to
7540 config/i386/predicates.md; update that section to match docstrings.
7541 * doc/tm.texi: Move all documentation of the old constraint-
7542 definition macros to their own section, clearly mark as obsolete.
7544 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7545 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7547 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7548 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7549 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7551 (splits and peepholes): Use satisfies_constraint_*.
7552 * config/i386/i386.c (memory_address_length)
7553 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7555 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7557 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7558 scalar operation to be put back into the loop.
7560 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7563 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7564 (extract_cie_info): Handle S flag in augmentation string.
7565 (execute_cfa_program): If context->signal_frame, execute also
7566 fs->pc == context->ra instructions.
7567 (uw_frame_state_for): If context->signal_frame, don't subtract one
7568 from context->ra to find FDE.
7569 (uw_update_context_1): Set context->signal_frame to
7571 (_Unwind_GetIPInfo): New function.
7572 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7573 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7575 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7576 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7577 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7578 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7579 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7580 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7581 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7582 x86_64_fallback_frame_state): Set fs->signal_frame.
7583 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7584 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7585 (frob_update_context): Likewise. Workaround missing S flag in
7586 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7587 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7588 Remove the psw_addr + 1 hack.
7590 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7592 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7593 with aggregates here.
7594 (find_func_aliases): Remove code for &<aggregate> from here.
7596 2006-02-26 Roger Sayle <roger@eyesopen.com>
7598 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7599 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7600 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7603 2006-02-26 Roger Sayle <roger@eyesopen.com>
7606 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7608 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7610 * opts.c (decode_options): Do not handle flag_strength_reduce.
7611 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7612 and OPT_fstrength_reduce.
7613 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7614 flag_prefetch_loop_arrays for being nonzero.
7615 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7617 (fprefetch-loop-arrays-rtl): Removed.
7618 (flag_prefetch_loop_arrays): Do not specify the value.
7620 * doc/passes.texi: Update documentation of loop optimizer
7622 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7623 -frerun-loop-opt): Remove.
7625 2006-02-26 Richard Guenther <rguenther@suse.de>
7627 PR tree-optimization/26421
7628 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7629 in function calls that are ADDR_EXPRs as using the whole structure.
7631 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7633 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7634 * tree-pass.h (pass_loop_optimize): Remove.
7635 * passes.c (pass_loop_optimize): Never run it.
7636 * toplev.c (backend_init): Don't call init_loop.
7637 * opts.c (flag_loop_optimize_set): Remove.
7638 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7639 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7640 the old RTL loop optimizer when profiling enabled.
7641 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7642 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7643 pre-headers for the sake of the old RTL loop optimizer.
7644 * Makefile.in: Remove all references to loop.o.
7646 * doc/invoke.texi: Remove all references to -floop-optimize
7647 and -frerun-loop-opt.
7649 2006-02-26 Zack Weinberg <zackw@panix.com>
7651 * doc/md.texi (Machine Constraints): Refer to all files with paths
7652 relative to gcc directory (i.e. config/CPU/file). Add missing
7653 @table @code ... @end table to M32C subsection.
7655 2006-02-26 Roger Sayle <roger@eyesopen.com>
7657 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7659 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7661 2006-02-26 Roger Sayle <roger@eyesopen.com>
7662 James A. Morrison <phython@gcc.gnu.org>
7665 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7666 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7667 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7668 signedness of the shift operation.
7670 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7672 PR tree-optimization/26359
7673 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7675 2006-02-25 Roger Sayle <roger@eyesopen.com>
7677 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7678 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7679 as X == 0, and some symmetry related transformations.
7680 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7682 2006-02-25 Roger Sayle <roger@eyesopen.com>
7685 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7686 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7687 symmetry related transformations. Fold (X^C1) == C2 as
7690 2006-02-25 Juergen Weigert <jw@suse.de>
7691 Richard Guenther <rguenther@suse.de>
7693 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7695 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7697 * combine.c (gen_lowpart_or_truncate): Call
7698 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7700 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7702 * doc/invoke.texi: Move -fopenmp description to "Options for
7704 Remove reference to -lgomp.
7706 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7708 * doc/install.texi: Require GNU tar version 1.14.
7710 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7712 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7713 * doc/invoke.texi (C++ Dialect Options): Document
7714 -fno-use-cxa-get-exception-ptr.
7715 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7716 * configure: Regenerate.
7717 * c.opt (fuse-cxa-get-exception-ptr): New.
7718 * c-opts.c (c_common_handle_option): Handle
7719 OPT_fuse_cxa_get_exception_ptr.
7720 * c-common.c (flag_use_cxa_atexit): Update documentation.
7721 (flag_use_cxa_get_exception_ptr): New.
7722 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7723 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7725 (C_COMMON_OVERRIDE_OPTIONS): New.
7727 2006-02-24 Roger Sayle <roger@eyesopen.com>
7730 * combine.c (try_combine): Explicitly check whether GET_CODE is
7731 a SET or a CLOBBER, instead on checking that it isn't a USE.
7733 2006-02-24 Roger Sayle <roger@eyesopen.com>
7735 * fold-const.c (fold_comparison): New subroutine of fold_binary
7736 containing transformations common to both the equality and
7737 ordering relational operators, factored out of fold_binary.
7738 (fold_binary): Separate out the equality operators (EQ_EXPR
7739 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7740 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7741 transformations common to both.
7742 (fold_div_compare): Fix latent bugs in the previously unreachable
7743 LT_EXPR and GE_EXPR cases.
7745 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7747 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7748 decl libname for clog to __clog on AIX.
7750 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7752 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7755 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7756 output traceback table for thunks. Localise rs6000_stack_info call.
7758 2006-02-23 Roger Sayle <roger@eyesopen.com>
7759 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7761 * gthr-posix.h (__gthrw): Fix typo in comment.
7763 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7765 * doc/cpp.texi (Character sets): Document that we do support
7766 input files to be in any character set.
7768 2006-02-23 Jeff Law <law@redhat.com>
7770 * tree.h (PHI_ARG_NONZERO): Remove.
7771 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7772 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7773 node to the new node.
7775 PR tree-optimization/26425
7776 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7777 min/max, then assume its varying.
7779 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7781 PR rtl-optimization/26316
7782 * rtlanal.c (enum may_trap_p_flags): New.
7783 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7784 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7785 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7786 (may_trap_after_code_motion_p): New function.
7787 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7788 (find_invariant_insn): Use may_trap_after_code_motion_p.
7789 * rtl.h (may_trap_after_code_motion_p): Declare.
7791 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7793 * emit-rtl.c (immed_double_const): Cleanup.
7795 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7797 Fix PR tree-optimization/26376
7798 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7801 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7804 * gimplify.c (omp_add_variable): Guard variable size decl test with
7805 DECL_SIZE (decl) check.
7807 2006-02-23 Richard Guenther <rguenther@suse.de>
7810 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7811 like aggregate types.
7813 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7815 * configure.ac: Add --with{,out}-long-double-128 configure option.
7816 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7817 * configure: Rebuilt.
7818 * config.in: Rebuilt.
7819 * doc/install.texi (Options specification): Document
7820 --with-long-double-128.
7822 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7823 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7824 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7825 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7827 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7829 * config/s390/s390.c (override_options): Handle
7830 TARGET_DEFAULT_LONG_DOUBLE_128.
7832 * config/alpha/alpha.c (override_options): Handle
7833 TARGET_DEFAULT_LONG_DOUBLE_128.
7835 * config/sparc/sparc.c (sparc_override_options): Handle
7836 TARGET_DEFAULT_LONG_DOUBLE_128.
7838 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7840 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7841 (real-install-headers-tar, real-install-headers-cpio)
7842 (real-install-headers-cp): New targets.
7844 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7846 * tree.h (variable_section): Delete.
7847 * varasm.c (variable_section): Delete.
7849 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7851 * install.texi: Add notes on install.texi2html.
7852 (Building in parallel): Do not use footnotes.
7854 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7857 * doc/install.texi (Configuration): Document --disable-libgomp.
7859 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7861 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7863 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7865 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7866 (vec_extractv2df_0_sse): New.
7868 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7870 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7871 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7872 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7873 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7874 to the result of the expression.
7875 (def_cfa_1): Adjust.
7876 (frame_pointer_cfa_offset): Rename to...
7877 (frame_pointer_fb_offset): ... this. Adjust all uses.
7878 (convert_cfa_to_loc_list): Rename to...
7879 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7880 Pass it on to build_cfa_loc.
7881 (compute_frame_pointer_to_cfa_displacement): Rename to...
7882 (compute_frame_pointer_to_fb_displacement): ... this. New
7883 offset parameter. Use it in computation.
7884 (gen_subprogram_die): Compute cfa_fb_offset with the new
7885 macro, and use it to compute the fb loc list and the
7888 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7890 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7891 replaced with register_operand.
7892 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7893 non-DREG is expensive.
7894 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7895 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7898 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7900 * doc/install.texi2html: Use set -e.
7902 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7904 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7905 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7906 * doc/invoke.texi (-fshared-data): Delete.
7907 * common.opt (fshared-data): Delete.
7908 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7909 (assemble_static_space): Remove #if 0 code.
7910 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7911 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7912 * config/cris/cris.h: Remove FIXME.
7914 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7916 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7919 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7922 * combine.c (simplify_shift_const_1): Disable nested shifts
7923 optimization for vector shifts.
7925 2006-02-20 Roger Sayle <roger@eyesopen.com>
7927 PR tree-optimization/26361
7928 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7929 of unsigned integer types.
7931 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7933 * tree-chrec.c (eq_evolutions_p): New.
7934 * tree-chrec.h (eq_evolutions_p): Declared.
7935 * tree-data-ref.c: Fix formatting.
7936 (datadep_stats, dependence_stats): New.
7938 (print_direction_vector): New.
7939 (dump_data_dependence_relation): Use print_direction_vector.
7940 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7941 (compute_subscript_distance): Static.
7942 (initialize_data_dependence_relation): Static. Get the number
7943 of loops surrounding the references from the callers, and initialize
7944 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7945 base_object_differ_p analyzers.
7946 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7947 compute_overlap_steps_for_affine_1_2,
7948 analyze_subscript_affine_affine): Count the classified dependences.
7949 Print a message when a test failed.
7950 (can_use_analyze_subscript_affine_affine): New.
7951 (analyze_siv_subscript): Compute the data dependences on symbolic
7952 scevs that verify can_use_analyze_subscript_affine_affine.
7953 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7954 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7955 Handle symbolic scevs.
7956 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7958 (subscript_dependence_tester): Moved...
7959 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7960 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7961 DDR_SIZE_VECT instead of getting it in parameter.
7962 (subscript_dependence_tester): ... here. Take as a parameter
7963 loop_nest_depth. Call build_classic_dist_vector and
7964 build_classic_dir_vector.
7965 (compute_affine_dependence): Update subscript_dependence_tester
7966 parameters. Update datadep_stats counters. Call
7967 compute_subscript_distance.
7968 (compute_self_dependence): Save the dist and dir vectors. Call
7969 compute_subscript_distance.
7970 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7971 (compute_all_dependences): Reorder parameters as they were before
7972 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7973 compute_subscript_distance. Update the use of
7974 compute_affine_dependence and initialize_data_dependence_relation.
7975 (find_data_references_in_loop): Handle COMPONENT_REF.
7976 (compute_data_dependences_for_loop): Initialize dependence_stats.
7977 Don't call build_classic_dist_vector and build_classic_dir_vector.
7978 Update the parameters of initialize_data_dependence_relation and
7979 compute_all_dependences. Print the statistics from datadep_stats.
7980 (analyze_all_data_dependences): Static. Not used until the pass for
7981 checking the data dependences is contributed.
7982 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7983 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7984 (initialize_data_dependence_relation, compute_affine_dependence,
7985 analyze_all_data_dependences, compute_subscript_distance): Removed.
7986 (print_direction_vector): New.
7987 * lambda.h (gcd): ... here.
7988 (lambda_vector_gcd): Moved here from gcd_vector.
7989 * lambda-code.c (gcd, gcd_vector): Removed.
7990 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7991 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7993 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7995 * ipa-type-escape.c: Tidy some comments and white space.
7996 * tree-ssa-operands.c: Likewise.
7998 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8001 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8002 (dump_decl_name): Do not walk the decl tree chains.
8003 * tree-pass.h (TDF_CHAIN): Remove.
8005 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8007 * Makefile.in (C): Remove
8009 (.PHONY): Remove C and PROTO
8011 2006-02-20 Roger Sayle <roger@eyesopen.com>
8014 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8015 deprecated CHAR_TYPE tree code.
8017 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8019 * configure.ac (target_list): Add install-info, dvi, html.
8020 * configure: Regenerate.
8022 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8023 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8024 treelang/Make-lang.in: Do not use double-colon rules.
8026 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8028 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8029 (TMT_USED_ALONE): New macro.
8030 * tree-pass.h (PROP_tmt_usage): New property.
8031 (TODO_update_tmt_usage): New todo.
8032 * tree-ssa-alias.c (updating_used_alone): New variable.
8033 (recalculate_used_alone): New function.
8034 (compute_may_aliases): Set updating_used_alone, call
8035 recalculate_used_alone.
8036 * tree-sra.c (pass_sra): Note that this pass destroys
8037 PROP_tmt_usage, and add TODO_update_tmt_usage.
8038 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8039 * tree-flow.h (updating_used_alone): Prototype.
8040 (recalculate_used_alone): Ditto.
8041 * passes.c (execute_todo): Add code to set updating_used_alone,
8042 and call recalculate.
8043 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8044 for clobber if used alone, and add assert to verify used_alone
8047 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8049 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8050 for non tls symbols added.
8051 (legitimize_address): Do nothing for PLUS expressions if one of the
8052 addends is a tls symbol reference.
8054 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8058 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8060 * Makefile.in (BOOTSTRAPPING): New.
8061 (quickstrap): New definition if BOOTSTRAPPING=yes.
8063 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8064 * configure.ac: Substitute all_selected_languages with the languages
8065 that were configured. For all the other variables except
8066 lang_specs_files, include all the languages in the tree.
8067 * configure: Regenerate.
8069 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8070 if there is one. Run the commands to run fixincludes in the same
8073 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8074 * doc/install.texi: Document exact conventions for searching target tools.
8075 Document --with-build-time-tools. Document toplevel bootstrap. Document
8076 something more about building an Ada cross-compiler. Don't list GNU Make
8077 requirements which affect all platforms.
8079 2006-02-19 Roger Sayle <roger@eyesopen.com>
8082 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8083 only equivalent if the have both the same mode and precision.
8085 2006-02-20 Ben Elliston <bje@au.ibm.com>
8087 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8089 2006-02-19 Roger Sayle <roger@eyesopen.com>
8090 Steven Bosscher <stevenb.gcc@gmail.com>
8092 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8093 constant pool references to identify stack mode constants.
8094 * rtlanal.c (constant_pool_constant_p): New predicate to check
8095 whether operand is a floating point constant in the pool.
8096 * rtl.h (constant_pool_constant_p): Prototype here.
8097 * loop.c (scan_loop): Avoid hoisting constants from the constant
8098 pool on STACK_REGS targets.
8099 (load_mems): Likewise.
8100 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8101 loads into x87 registers expensive in terms of register pressure.
8103 2006-02-19 Roger Sayle <roger@eyesopen.com>
8105 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8106 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8108 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8110 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8111 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8113 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8115 * doc/invoke.texi: Document -fipa-pta.
8116 * common.opt: Add ipa-pta option.
8117 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8118 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8119 (do_ds_constraint): Ditto.
8120 (get_constraint_for): Only add to referenced_vars if
8121 referenced_vars exists.
8122 (insert_into_field_list): Rewrite to do this unsorted.
8123 (insert_into_field_list_sorted): Rename old insert_into_field_list
8125 (create_function_info_for): Use insert_into_field_list_sorted.
8126 (create_variable_info_for): Rewrite so it uses unsorted version,
8127 since the field list is sorted.
8128 (intra_create_variable_infos): Only add to referenced_vars if
8129 referenced_vars exists.
8130 (ipa_pta_execute): Init heapvars, and delete when done.
8131 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8133 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8135 * doc/install.texi: Add missing `@samp'.
8137 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8139 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8142 2006-02-18 Mark Wielaard <mark@klomp.org>
8144 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8145 who added new 4.1 features, bug fixes and integration support.
8147 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8150 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8153 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8155 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8156 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8157 (copy_insn_1): Likewise. Don't copy each field individually.
8159 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8161 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8162 * rtl.c (rtx_size): Rename variable to...
8163 (rtx_code_size): ...this.
8164 (rtx_size): New function.
8165 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8166 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8168 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8169 * rtl.h (rtx_code_size): New variable.
8170 (rtx_size): Change from a variable to a function.
8171 (RTX_SIZE): Rename to...
8172 (RTX_CODE_SIZE): ...this.
8175 PR tree-optimization/17106
8176 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8177 (Anchored Addresses): New section.
8178 * doc/invoke.texi (-fsection-anchors): Document.
8179 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8180 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8181 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8182 * hooks.c (hook_bool_mode_rtx_false): New function.
8183 * hooks.h (hook_bool_mode_rtx_false): Declare.
8184 * gengtype.c (create_optional_field): New function.
8185 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8186 SYMBOL_REF_IN_BLOCK_P is true.
8187 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8188 (min_anchor_offset, max_anchor_offset): Likewise.
8189 (use_anchors_for_symbol_p): New hook.
8190 * toplev.c (compile_file): Call output_object_blocks.
8191 (target_supports_section_anchors_p): New function.
8192 (process_options): Check that -fsection-anchors is only used on
8193 targets that support it and when -funit-at-a-time is in effect.
8194 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8195 if the decl doesn't have one.
8196 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8197 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8198 of force_const_mem through use_anchored_address.
8199 (expand_expr_constant): New function.
8200 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8201 calling expand_expr for INDIRECT_REF.
8202 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8203 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8204 * expr.h (use_anchored_address): Declare.
8205 * loop-unroll.c: Don't declare rtx vectors here.
8206 * explow.c: Include output.h.
8207 (validize_mem): Call use_anchored_address.
8208 (use_anchored_address): New function.
8209 * common.opt (-fsection-anchors): New switch.
8210 * varasm.c (object_block_htab, anchor_labelno): New variables.
8211 (hash_section, object_block_entry_eq, object_block_entry_hash)
8212 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8213 (use_blocks_for_decl_p, change_symbol_section): New functions.
8214 (get_variable_section): New function, split out from assemble_variable.
8215 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8216 use_blocks_for_decl_p say so. Use change_symbol_section if the
8217 symbol has already been created.
8218 (assemble_variable_contents): New function, split out from...
8219 (assemble_variable): ...here. Don't output any code for
8220 block symbols; just pass them to place_block_symbol.
8221 Use get_variable_section and assemble_variable_contents.
8222 (get_constant_alignment, get_constant_section, get_constant_size): New
8223 functions, split from output_constant_def_contents.
8224 (build_constant_desc): Create a block symbol if use_object_blocks_p
8225 says so. Or into SYMBOL_REF_FLAGS.
8226 (assemble_constant_contents): New function, split from...
8227 (output_constant_def_contents): ...here. Don't output any code
8228 for block symbols; just pass them to place_section_symbol.
8229 Use get_constant_section and get_constant_alignment.
8230 (force_const_mem): Create a block symbol if use_object_blocks_p and
8231 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8232 (output_constant_pool_1): Add an explicit alignment argument.
8233 Don't switch sections here.
8234 (output_constant_pool): Adjust call to output_constant_pool_1.
8235 Switch sections here instead. Don't output anything for block symbols;
8236 just pass them to place_block_symbol.
8237 (init_varasm_once): Initialize object_block_htab.
8238 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8239 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8240 (place_block_symbol, get_section_anchor, output_object_block)
8241 (output_object_block_htab, output_object_blocks): New functions.
8242 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8243 (TARGET_ASM_OUT): Include it.
8244 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8245 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8246 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8247 (TARGET_INITIALIZER): Include them.
8248 * rtl.c (rtl_check_failed_block_symbol): New function.
8249 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8250 (block_symbol, object_block): New structures.
8251 (rtx_def): Add a block_symbol field to the union.
8252 (BLOCK_SYMBOL_CHECK): New macro.
8253 (rtl_check_failed_block_symbol): Declare.
8254 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8255 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8256 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8257 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8258 * output.h (output_section_symbols): Declare.
8259 (object_block): Name structure.
8260 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8261 (default_use_anchors_for_symbol_p): Declare.
8262 * Makefile.in (RTL_BASE_H): Add vec.h.
8263 (explow.o): Depend on output.h.
8264 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8265 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8266 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8267 (rs6000_use_blocks_for_constant_p): New function.
8269 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8271 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8273 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8276 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8279 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8281 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8285 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8288 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8289 instead of DECL_REGISTER.
8291 2006-02-18 Olivier Hainque <hainque@adacore.com>
8294 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8296 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8299 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8300 * opth-gen.awk: Handle Var and InverseMask together.
8301 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8302 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8303 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8304 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8306 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8307 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8308 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8309 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8310 LINUX_DYNAMIC_LINKER): Define.
8311 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8312 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8314 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8315 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8316 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8318 (TARGET_C99_FUNCTIONS): Don't define.
8319 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8320 GLIBC_DYNAMIC_LINKER.
8321 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8322 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8323 GLIBC_DYNAMIC_LINKER64): Define.
8324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8325 LINUX_DYNAMIC_LINKER64.
8326 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8327 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8328 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8330 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8332 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8333 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8334 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8336 and LINUX_DYNAMIC_LINKER32.
8337 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8339 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8341 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8343 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8344 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8345 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8346 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8347 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8348 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8349 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8350 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8351 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8352 LINUX_DYNAMIC_LINKER): Define.
8353 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8354 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8355 GLIBC_DYNAMIC_LINKER64): Define.
8356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8357 LINUX_DYNAMIC_LINKER64.
8358 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8359 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8360 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8361 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8362 LINUX_DYNAMIC_LINKER): Define.
8363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8364 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8365 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8366 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8367 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8368 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8369 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8370 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8371 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8372 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8374 * doc/invoke.texi (-muclibc): Remove caveat about supported
8377 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8379 * doc/cpp.texi (__TIMESTAMP__): Document.
8381 2006-02-17 Roger Sayle <roger@eyesopen.com>
8384 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8385 C is one less than the width of X (and related transformations).
8386 * simplify-rtx.c (simplify_unary_operation_1): Transform
8387 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8388 depending on STORE_FLAG_VALUE, were C is one less then the
8391 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8393 Fix PR tree-optimization/26341
8394 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8395 about NAME_MEMORY_TAG's.
8397 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8400 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8401 with hardware float support, and software float support. Add fcpy
8402 alternative to hardware patterns. Add alternatives to copy between
8403 general and floating-point registers to the 32-bit pattern.
8404 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8405 secondary reload to load a QI or HI mode constant into a floating
8407 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8408 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8410 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8413 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8415 (load_macho_picbase_di): Likewise.
8417 2006-02-16 Jeff Law <law@redhat.com>
8419 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8420 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8421 (ssa_name_nonzero_p): Likewise.
8422 (get_value_range): Return NULL if VRP is not running.
8423 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8424 VRP routines do not discover a range.
8425 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8426 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8427 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8428 (tree_expr_nonnegative_p): Similarly.
8429 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8430 (restore_nonzero_vars_to_original_value): Remove.
8431 (unsafe_associative_fp_binop): Remove.
8432 (tree_ssa_dominator_optimize): Remove initialization and
8433 finalization of nonzero_vars and nonzero_vars_stack.
8434 (dom_opt_initialize_block): No longer push marker on
8436 (dom_opt_finalize_block): No longer call
8437 restore_nonzero_vars_to_original_value.
8438 (record_equivalences_from_phis): No longer look for
8439 nonzero PHI arguments.
8440 (cprop_into_successor_phis): No longer propagate nonzero
8441 property into PHI arguments. Lose unused argument. Caller
8443 (record_equivalences_from_stmt): No longer record nonzero
8444 values for SSA_NAMEs.
8445 (lookup_avail_expr): No longer use nonzero_vars.
8447 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8448 for sizetype when sizetype is unsigned.
8450 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8452 PR rtl-optimization/25603
8453 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8454 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8455 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8456 with new meaning of SETS.
8458 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8463 * config/linux.opt: New file.
8464 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8465 LINUX_DYNAMIC_LINKER): Define.
8466 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8467 * config.gcc (*-*-linux*): Define extra_options.
8468 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8469 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8470 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8471 GLIBC_DYNAMIC_LINKER.
8472 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8473 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8474 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8475 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8476 * doc/invoke.texi (GNU/Linux Options): New section.
8478 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8480 * config/sparc/sparc.md (setjmp): Rewrite.
8481 (setjmp_32): Delete.
8482 (setjmp_64): Likewise.
8484 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8486 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8489 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8491 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8494 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8496 PR rtl-optimization/26296
8497 * Makefile.in (loop-invariant.c): Add except.h dependency.
8498 * loop-invariant.c: Include except.h.
8499 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8501 2005-02-16 Paul Brook <paul@codesourcery.com>
8503 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8506 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8508 PR rtl-optimization/25636
8509 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8510 when deciding whether an insn is an initializing insn.
8512 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8514 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8515 (tree_code_size): Ditto.
8516 * tree.h (struct tree_memory_tag): Remove parent_var.
8517 (struct tree_struct_field_tag): New.
8520 (union tree_node): Add sft member.
8521 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8523 (create_sft): Add size and offset argument, set SFT_OFFSET and
8525 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8526 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8527 * tree-flow-inline.h (get_subvar_at): Update for
8528 SFT_OFFSET/SFT_SIZE.
8529 (var_can_have_subvars): Ditto.
8530 (overlap_subvar): Ditto.
8531 * print-tree.c (print_node): Print out interesting things for
8533 * tree-flow.h (struct subvar): Remove offset and size members.
8534 * tree-ssa-operands.c (get_expr_operands): Update for
8535 get_indirect_ref_operands changes.
8536 (get_indirect_ref_operands): Call add_virtual_operand instead of
8537 add_stmt_operand. Only recurse on base var if requested.
8538 (access_can_touch_variable): New function.
8539 (add_stmt_operand): Split virtual operand handling into ...
8540 (add_virtual_operand): Here. Add offset, size, and for_clobber
8541 arguments. Prune alias sets.
8542 (add_call_clobber_ops): Call add_virtual_operand.
8544 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8547 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8549 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8550 than TREE_CODE as index into omp_clause_num_ops array.
8552 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8554 PR rtl-optimization/26184
8555 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8557 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8558 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8559 must_precede, must_follow and tobe_scheduled.
8562 * opts.c (common_handle_option): Free new_option pointer.
8563 * df-core.c (df_analyze): Free postorder pointer.
8565 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8567 * Makefile.in: Fix the examples about the use of stamps
8569 2006-02-15 Michael Matz <matz@suse.de>
8573 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8574 influenced by maximum_field_alignment or DECL_PACKED.
8575 (update_alignment_for_field): Ditto.
8576 (place_field): Ditto.
8577 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8580 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8582 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8583 (debug_flow_info): Pass it.
8584 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8585 * bb-reorder.c (reorder_basic_blocks): Likewise.
8586 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8587 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8588 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8589 * gcse.c (gcse_main, bypass_jumps): Likewise.
8590 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8591 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8592 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8593 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8594 * rtl.h (dump_flow_info): Adjust prototype.
8595 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8596 * var-tracking.c (variable_tracking_main): Likewise.
8597 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8598 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8601 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8603 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8606 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8608 PR tree-optimization/26209
8609 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8610 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8612 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8614 2006-02-14 Roger Sayle <roger@eyesopen.com>
8617 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8618 (X,Y) and the corresponding symmetry related transformations.
8619 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8620 (X,Y) and its symmetry related transformations.
8622 2006-02-14 Roger Sayle <roger@eyesopen.com>
8624 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8627 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8629 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8631 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8634 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8635 support COMDAT group.
8636 * configure: Regenerate.
8638 2006-02-14 Roger Sayle <roger@eyesopen.com>
8643 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8645 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8647 Fix PR tree-optimization/26260
8649 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8651 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8652 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8653 * tree-ssa-structalias.c (create_variable_info_for): Use
8654 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8656 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8658 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8660 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8661 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8662 of the ending condition.
8663 * tree-ssa-loop-manip.c: Include params.h.
8664 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8665 tree_unroll_loop): New functions.
8666 * tree-pass.h (pass_loop_prefetch): Declare.
8667 * loop.c (rest_of_handle_loop_optimize): Test for
8668 -fprefetch-loop-arrays-rtl.
8669 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8670 * timevar.def (TV_TREE_PREFETCH): New timevar.
8671 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8672 pass_loop_prefetch): New.
8673 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8674 (cleanup_tree_cfg_loop): Call scev_reset.
8675 * common.opt (fprefetch-loop-arrays-rtl): Add.
8676 * tree-ssa-loop-prefetch.c: New file.
8677 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8678 (new_temp_expr_table): Initialize expr_vars.
8679 (free_temp_expr_table): Cleanup expr_vars.
8680 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8681 expressions from being merged into one.
8682 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8683 (struct tree_niter_desc): Add control, bound and cmp fields.
8684 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8686 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8687 (tree-cfgcleanup.o): Add SCEV_H dependency.
8688 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8689 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8691 2006-02-14 Richard Guenther <rguenther@suse.de>
8693 PR tree-optimization/26258
8694 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8695 in PHI argument processing.
8697 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8699 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8700 new expression in the requested machine mode.
8702 2006-02-13 Roger Sayle <roger@eyesopen.com>
8704 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8705 directly, instead let do_compare_rtx_and_jump handle this for us.
8706 * expr.c (expand_expr_real_1): Likewise.
8707 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8708 before do_jump_by_parts_greater.
8709 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8710 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8712 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8714 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8716 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8718 PR rtl-optimization/26235
8719 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8720 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8723 2006-02-13 Jeff Law <law@redhat.com>
8725 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8728 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8731 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8732 twice if decl is a builtin. When trying again, call get_callee_fndecl
8733 first to verify it is still a builtin.
8735 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8737 * dwarf2out.c (base_type_die): Don't add AT_name here.
8738 (subrange_type_die): Don't add AT_name here.
8739 (modified_type_die): Rearrange code flow. Do add AT_name here.
8741 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8743 PR rtl-optimization/26247
8744 PR rtl-optimization/26248
8745 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8747 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8749 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8750 * config/fixtfdi.c: Likewise.
8751 * config/fixunstfdi.c: Likewise.
8752 * config/floatditf.c: Likewise.
8754 2006-02-13 Roger Sayle <roger@eyesopen.com>
8757 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8758 into (X,C2) if C1 is a subset of the bits of C2. Transform
8759 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8761 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8763 2006-02-13 Josh Conner <jconner@apple.com>
8766 * varasm.c (function_section): Check for section name before
8767 calling select_section on targets that define
8768 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8769 unlikely_text_section instead of hot_function_section if
8770 first_function_block_is_cold.
8772 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8775 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8777 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8779 PR rtl-optimization/26222
8780 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8781 after tree->rtl expansion.
8782 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8783 before passing it to emit_move_insn.
8785 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8787 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8789 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8790 Clarify documentation.
8791 * c-common.h (warn_write_strings): Remove.
8792 * c-common.c (warn_write_strings): Likewise.
8793 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8796 2006-02-12 Roger Sayle <roger@eyesopen.com>
8799 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8800 (do_jump_parts_zero_rtx): New function renamed from
8801 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8802 (do_jump_parts_equality_rtx): New function split out from
8803 do_jump_parts_equality. Old implementation renamed as above.
8804 Call do_jump_parts_zero_rtx if either operand is zero.
8805 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8806 do all of the heavy lifting.
8807 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8808 calling either do_jump_by_parts_greater_rtx or
8809 do_jump_by_parts_equality_rtx.
8810 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8811 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8812 moved to do_compare_rtx_and_jump, call it directly.
8813 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8814 mode argument. Call do_compare_rtx_and_jump.
8815 (emit_case_nodes): Update calls to do_jump_if_equal.
8817 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8819 PR rtl-optimization/26225
8820 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8822 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8824 PR rtl-optimization/26232
8825 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8827 2006-02-11 Jason Merrill <jason@redhat.com>
8830 * tree-inline.c (declare_return_variable): Just don't use the
8831 modify target if it's a gimple complex reg and the return slot
8834 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8836 * doc/contrib.texi: Update my entry.
8838 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8840 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8842 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8844 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8847 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8849 * doc/invoke.texi (-floop-optimize2): Removed.
8850 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8851 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8852 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8853 * common.opt (floop-optimize2): Removed.
8854 (fmove-loop-invariants): Enabled by default.
8856 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8858 * tree-if-conv.c (combine_blocks): Free the result of
8859 get_loop_exit_edges.
8861 2006-02-10 Jeff Law <law@redhat.com>
8863 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8865 PR tree-optimization/26213
8866 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8867 loop trying to follow SSA_NAME_VALUE chains.
8869 2006-02-10 Richard Guenther <rguenther@suse.de>
8871 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8872 deal with structures that end in implicitly variable sized arrays.
8874 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8876 PR rtl-optimization/24762
8877 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8880 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8882 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8883 (struct ivopts_data): Add regs_used field.
8884 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8885 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8886 instead of loop_data->regs_used;
8887 (free_loop_data): Do not free aux fields for loops.
8888 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8889 and tree_ssa_iv_optimize_finalize.
8891 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8893 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8895 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8898 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8899 computing the effective result type.
8901 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8904 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8905 (tree_overlaps_hard_reg_set): Declare.
8906 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8907 type and signature to match function type expected by walk_tree.
8908 (tree_overlaps_hard_reg_set): New function.
8909 (decl_conflicts_with_clobbers_p): Rename to:
8910 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8911 Use tree_overlaps_hard_reg_set. Changed caller.
8912 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8913 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8914 * cris.c (cris_md_asm_clobbers): Likewise.
8916 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8918 * reload1.c (emit_input_reload_insns): Delete code that tries to
8919 inherit using find_equiv_reg.
8921 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8923 * c-common.h (flag_const_strings): Don't declare.
8924 * c-common.c (flag_const_strings): Remove.
8925 * c.opt (fconst_strings): Remove.
8926 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8927 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8928 (c_common_init_options): Don't set flag_const_strings.
8929 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8931 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8933 * arm.md (tlobits_cbranch): New pattern.
8934 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8935 testing a single bit.
8937 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8940 * tree-ssa-pre.c (create_component_ref_by_pieces):
8941 Handle RETURN_DECL like VAR_DECL.
8943 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8946 * fold-const.c (fold_indirect_ref_1): Fold
8947 "*(foo *)&complexfoo" to "__real__ complexfoo"
8948 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8950 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8952 * tree-flow-inline.h (var_can_have_subvars):
8953 Volatile variables should not have subvariables.
8955 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8958 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8959 multiplying unsigned values.
8962 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8964 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8966 2006-02-08 Jason Merrill <jason@redhat.com>
8969 * tree.def: Elaborate on difference from MODIFY_EXPR.
8970 * doc/c-tree.texi (INIT_EXPR): Likewise.
8971 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8972 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8973 (gimplify_target_expr): Likewise.
8974 (gimplify_cond_expr): Remove target handling.
8975 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8976 (gimplify_expr): Clobber it here.
8977 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8978 Do return slot optimization if we have an INIT_EXPR.
8981 * tree-inline.c (declare_return_variable): Also clear
8982 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8985 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8988 * gimplify.c (gimplify_one_sizepos): Fix typo.
8990 2006-02-08 Jeff Law <law@redhat.com>
8992 PR tree-optimization/21417
8993 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8994 across a backedge if the control statement at the end of the
8995 block is data dependent on other statements in the same block.
8996 (record_temporary_equivalences_from_stmts): Remove over-conservative
8997 test for threading across backedges.
8999 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9000 control statement, handle all three special cases in the same
9001 manner as they all have the same desired solution. No longer
9002 special case edge flag updating when the post dominator is
9005 2006-02-08 Roger Sayle <roger@eyesopen.com>
9007 * tree.def (CHAR_TYPE): Remove.
9008 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9009 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9010 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9011 (gen_string_type_die): Delete unreachable function.
9013 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9014 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9015 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9016 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9017 * builtins.c (type_to_class): Likewise.
9018 * fold-const.c (fold_convert, build_range_check,
9019 merge_ranges): Likewise.
9020 * expr.c (count_type_elements): Likewise.
9021 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9022 * stor-layout.c (layout_type): Likewise.
9023 * ipa-type-escape.c (type_to_consider): Likewise.
9024 * gimplify.c (omp_firstprivatize_type_sizes,
9025 gimplify_type_sizes): Likewise.
9026 * explow.c (promote_mode): Likewise.
9027 * tree-sra.c (is_sra_scalar_type): Likewise.
9028 * varasm.c (output_constant): Likewise.
9029 * tree-inline.c (remap_type_1): Likewise.
9030 * convert.c (convert_to_pointer, convert_to_real,
9031 convert_to_integer, convert_to_complex): Likewise.
9033 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9035 * df-scan.c (df_def_record_1): A set destination may
9036 be a parallel regardless of mode.
9038 2006-02-08 Roger Sayle <roger@eyesopen.com>
9041 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9042 * config/mips/_tilib.c: Remove.
9043 * config/fixtfdi.c: New libgcc source file.
9044 * config/fixunstfdi.c: New source file.
9045 * config/floatditf.c: New source file.
9046 * config/floatunditf.c: New souce file.
9047 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9048 files above instead of config/mips/_tilib.c.
9049 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9051 2006-02-08 Jeff Law <law@redhat.com>
9053 PR tree-optimization/26169
9054 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9057 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9059 * df.h (DF_REG_SIZE): Return the length of the initialized
9062 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9064 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9065 __muldf3): Return a correctly signed zero.
9067 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9069 * passes.c (register_one_dump_file): Accept the current properties
9070 instead of pass number. Adjust call to dump_register. Remove
9072 (register_dump_files): Now a wrapper around...
9073 (register_dump_files_1): ... this one. Do not modify the pass
9075 (next_pass_1): Cosmetic fix.
9076 (execute_todo): Keep second parameter only. Use curr_properties
9077 instead of fetching it from the pass structure. Check and set
9079 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9080 instead of fetching it from the pass structure. Fix calls to
9081 execute_todo. Update curr_properties and initialize .vcg RTL dump
9082 after running the pass. Reset last_verified.
9083 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9085 (FIRST_AUTO_NUMBERED_DUMP): New.
9086 (dump_register): Remove "num" parameter, assign it within the
9088 (get_dump_file_name): Modify template for dumps.
9089 * tree-dump.h (dump_register): Adjust prototype.
9090 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9091 (PROP_trees): Add PROP_gimple_lomp.
9092 (TODO_set_props): New.
9093 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9094 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9095 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9097 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9099 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9100 (sparc64-*-linux*): Likewise.
9101 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9102 * config/sparc/t-linux: New file.
9103 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9104 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9105 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9106 -m32 -mlong-double-128.
9108 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9109 * config/alpha/t-linux: New file.
9110 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9112 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9113 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9114 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9115 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9116 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9117 (CPP_ARCH32_SPEC): Remove.
9119 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9121 PR tree-optimization/26145
9122 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9125 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9128 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9129 >= 240000 when generating code for SOM runtime.
9130 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9131 to $$dyncall when generating code for SOM runtime..
9133 2006-02-07 Dirk Mueller <dmueller@suse.com>
9136 * doc/invoke.texi (-Wsequence-point): Update documentation
9137 that -Wsequence-point is implemented for C++ as well.
9139 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9141 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9142 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9143 (LIB_SPEC): Likewise.
9144 * doc/invoke.texi (SPARC options): Document -pthread.
9146 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9148 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9151 2006-02-07 Roger Sayle <roger@eyesopen.com>
9153 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9154 Correct comment describing BOOLEAN_TYPE.
9156 2006-02-07 Dirk Mueller <dmueller@suse.com>
9158 * c.opt: C++ frontend supports -Wdiv-by-zero.
9159 * c-opts.c (c_common_handle_option): Remove dead case.
9161 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9163 * configure.ac (TLS assembler check): Do not enable TLS by
9164 default on SPARC/Solaris before version 10.
9165 * configure: Regenerate.
9167 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9169 * doc/invoke.texi (xl-compat): Document conversion and support
9172 2006-02-07 Jeff Law <law@redhat.com>
9174 * tree-vrp.c (find_conditional_asserts): Update comments.
9175 (simplify_stmt_for_jump_threading): New.
9176 (identify_jump_threads, finalize_jump_threads): New.
9177 (vrp_finalize): Call identify_jump_threads.
9178 (execute_vrp): Call finalize_jump_threads.
9179 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9180 (vrp_element, vrp_data, vrp_element_p): Remove.
9181 (vrp_hash_elt, vrp_variables_stack): Remove.
9182 (vrp_hash, vrp_eq, record_range): Remove.
9183 (simplify_cond_and_lookup_avail_expr): Remove.
9184 (extract_range_from_cond): Remove.
9185 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9186 (simplify_stmt_for_jump_threading): New.
9187 (dom_thread_across_edge): New wrapper.
9188 (tree_ssa_dominator_optimize): No longer initialize or
9189 finalize any of the VRP datastructures. Remove iteration
9190 step and simplify as a result of removal of iteration step.
9191 (pass_dominator): Perform a cfg cleanup after DOM.
9192 (dom_opt_finalize_block): Use the new common routines
9193 for threading jumps. Simplify stack management slightly.
9194 No longer need to unwind VRP state.
9195 (record_equivalences_from_incoming_edge): No longer record
9197 (eliminate_redundant_computations): No longer call
9198 simplify_cond_and_lookup_avail_expr.
9199 * tree-flow.h (potentially_threadable_block): Prototype.
9200 (thread_across_edge): Likewise.
9201 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9202 (tree-ssa-threadedge.o): Add dependencies.
9203 * tree-ssa-threadedge.c: New file.
9204 * passes.c (init_optimization_passes): Merge PHIs before
9205 calling VRP. Run VRP again late in the SSA optimization pipeline.
9207 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9209 * df-core.c (df_set_blocks): Do not dereference function pointers.
9210 (df_finish1): Likewise.
9211 (df_hybrid_search_forward): Likewise.
9212 (df_hybrid_search_backward): Likewise.
9213 (df_iterative_dataflow): Likewise.
9214 (df_analyze_problem): Likewise.
9215 (df_compact_blocks): Likewise.
9216 (df_dump): Likewise.
9217 * df-scan.c (df_rescan_blocks): Likewise.
9218 (df_record_entry_block_defs): Likewise.
9220 * genconditions.c (write_conditions): Guard the definition of
9221 'insn_conditions' with the check on GCC version.
9222 (write_writer): Guard the traversal 'insn_conditions' with
9223 the check on GCC version.
9225 2006-02-07 Richard Guenther <rguenther@suse.de>
9229 2006-01-30 Richard Guenther <rguenther@suse.de>
9231 * gimplify.c (gimplify_target_expr): Handle easy cases
9232 without creating a temporary.
9234 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9236 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9237 use of float in probability computations. Use edge probabilities
9238 in place of statically computed probabilities.
9239 (min_spec_prob): New static variable.
9240 (schedule_insns): Initialize it.
9241 (GET_SRC_PROB): Removed.
9242 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9244 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9247 * config/ia64/unwind-ia64.c: Revert last change.
9248 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9249 (INCOMING_FRAME_SP_OFFSET): Define.
9251 2006-02-06 Roger Sayle <roger@eyesopen.com>
9253 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9255 2006-02-07 Ben Elliston <bje@au.ibm.com>
9257 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9258 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9259 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9260 (ix86_return_in_memory): Handle TDmode.
9261 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9262 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9264 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9266 * reorg.c (dbr_schedule): Use dump_file instead of file.
9268 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9271 * config/ia64/predicates.md (extr_len_operand): New predicate.
9272 * config/ia64/ia64.md (extv): Tighten constraints.
9274 (*tbit_and_2): Ditto.
9275 (*tbit_and_3): Ditto.
9276 (*tbit_or_2): Ditto.
9277 (*tbit_or_3): Ditto.
9281 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9284 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9286 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9288 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9289 loop_optimizer_init and loop_optimizer_finalize
9290 * tree-ssa-sink.c (execute_sink_code): Ditto.
9291 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9292 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9293 tree_ssa_loop_done): Ditto.
9294 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9295 * sched-ebb.c: Include output.h.
9296 (schedule_ebbs): Do not use dump argument.
9297 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9298 * loop.c (loop_dump_stream): Removed.
9299 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9301 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9302 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9303 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9304 loop_iterations, strength_reduce, record_biv, record_giv,
9305 final_giv_value, check_final_value, check_ext_dependent_givs,
9306 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9307 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9308 dump_file instead of loop_dump_stream.
9309 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9311 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9313 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9314 * haifa-sched.c: Include output.h
9315 (schedule_insns, sched_init): Do not use dump argument.
9316 * mode-switching.c (optimize_mode_switching): Ditto.
9317 * modulo-sched.c (stats_file): Removed.
9318 (print_node_sched_params): Do not call argument dump_file.
9319 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9320 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9322 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9324 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9325 rtl_loop_init, rtl_loop_done): Ditto.
9326 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9327 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9329 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9330 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9331 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9332 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9333 * emit-rtl.c (renumber_insns): Ditto.
9334 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9335 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9336 * regclass.c (regclass): Ditto.
9337 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9338 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9339 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9340 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9342 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9343 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9345 * gcse.c (gcse_file, debug_stderr): Removed.
9346 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9347 rest_of_handle_gcse): Do not use dump argument.
9348 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9349 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9350 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9351 compute_code_hoist_vbeinout, compute_code_hoist_data,
9352 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9353 compute_store_table, build_store_vectors, insert_insn_start_bb,
9354 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9355 store_motion): Use dump_file instead of gcse_file.
9356 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9357 * profile.c (profile_dump_file): Removed.
9358 (branch_prob): Use dump_file instead of profile_dump_file.
9359 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9361 * tree-ssa-copy.c (dump_copy_of): Ditto.
9362 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9363 dump file to life_analysis.
9364 * bt-load.c (branch_target_load_optimize): Ditto.
9365 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9367 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9368 regclass, dbr_schedule): Declaration changed.
9369 * sched-int.h (sched_init): Declaration changed.
9370 * tree-profile.c (tree_profile_dump_file): Removed.
9371 (tree_profile_hooks): Removed profile_dump_file hook.
9372 * rtl-profile (rtl_profile_dump_file): Removed.
9373 (rtl_profile_hooks): emoved profile_dump_file hook.
9374 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9376 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9377 * tree-cfg.c (build_tree_cfg): Ditto.
9378 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9379 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9380 Declaration changed.
9381 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9382 life_analysis and schedule_insns.
9383 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9385 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9387 * config/mips/mips.c (mips_reorg): Ditto.
9388 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9391 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9393 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9394 (s390_mangle_fundamental_type): New.
9395 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9398 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9399 (alpha_mangle_fundamental_type): New.
9400 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9403 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9405 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9407 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9408 (sparc_mangle_fundamental_type): New.
9410 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9412 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9413 (s390x-*-linux*): Likewise.
9414 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9415 * config/s390/t-linux: New file.
9417 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9419 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9420 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9422 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9424 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9425 (ANTIC_SAFE_LOADS): New macro.
9426 (find_or_generate_expression): Add prototype.
9427 (set_contains_value): Allow null set for sake of not always having
9428 to allocate ANTIC_SAFE_LOADS.
9429 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9430 Allow COMPONENT_REF too.
9431 (valid_in_set): Allow COMPONENT_REF.
9432 Check ANTIC_SAFE_LOADS too.
9433 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9434 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9436 (can_PRE_operation): Add COMPONENT_REF.
9437 (create_component_ref_by_pieces): New function.
9438 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9439 (insert_aux): Move AGGREGATE_TYPE_P check here.
9440 (compute_avail): Set bb local stmt uids.
9441 (pass_pre): Use TODO_update_ssa_only_virtuals.
9443 2006-02-06 Ben Elliston <bje@au.ibm.com>
9445 * configure.ac: Unconditionally disable decimal float by default.
9446 * configure: Regenerate.
9448 2006-02-06 Ben Elliston <bje@au.ibm.com>
9450 * read-rtl.c (read_name): Terminate reading on EOF.
9452 2006-02-06 Ben Elliston <bje@au.ibm.com>
9454 * dfp.c (decimal_real_arithmetic): Change second argument type
9455 from int to enum tree_code. Do not always return true, but now
9456 return result of any call to decimal_do helper functions.
9457 * dfp.h (decimal_real_arithmetic): Update prototype.
9459 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9461 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9463 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9466 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9469 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9471 * tree-vrp.c (cfg_loops): Removed.
9472 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9473 Use current_loops instead of cfg_loops. Pass flags to
9474 loop_optimizer_init.
9475 * cfgloopmanip.c (fix_loop_structure): Update only available
9477 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9478 loop_optimizer_init.
9479 * modulo-sched.c (build_loops_structure): Removed.
9480 (sms_schedule): Use loop_optimizer_init.
9481 * loop-init.c (loop_optimizer_init): Use flags to determine
9482 which properties of loops to prepare.
9483 (rtl_loop_init): Pass flags to loop_optimizer_init.
9484 * tree-ssa-sink.c (execute_sink_code): Ditto.
9485 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9486 * tree-ssa-pre.c (init_pre): Ditto.
9487 * cfgloop.h (LOOPS_NORMAL): New.
9488 (loop_optimizer_init): Declaration changed.
9490 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9492 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9493 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9495 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9497 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9499 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9500 * pa/t-pa64: Delete quadlib.c rule.
9501 * pa/x-ada: Revert last change.
9502 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9504 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9506 PR rtl-optimization/26087
9507 * rtlanal.c (canonicalize_condition): Do not cross basic block
9510 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9513 * config/ia64/ia64.c: Include debug.h.
9514 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9515 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9516 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9517 (process_epilogue, process_set, process_for_unwind_directive):
9518 Output unwind info only if requested. Add CFA info if requested.
9519 Add new arguments as needed. Adjust callers.
9520 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9522 (DWARF2_FRAME_INFO): Define to zero.
9523 * config/ia64/unwind-ia64.c: Remove code that compensated for
9524 the CFA offset error fixed above.
9525 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9526 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9527 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9528 -funwind-tables and -fexceptions to enable frame info.
9529 (dwarf2out_frame_init): Define initial CFA even if
9530 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9531 DWARF2_UNWIND_INFO is nonzero, not just defined.
9532 (dwarf2out_frame_finish): Output non-EH call frame info only
9533 if DWARF2_FRAME_INFO is nonzero.
9534 (convert_cfa_to_loc_list,
9535 compute_frame_pointer_to_cfa_displacement): Define even if
9536 unwind info is not supported.
9537 (gen_subprogram_die): Use the above unconditionally. Remove
9538 legacy alternate code.
9539 * toplev.c (compile_file): Compile in call to
9540 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9541 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9543 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9544 Jakub Jelinek <jakub@redhat.com>
9546 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9547 IBM extended float format long double as "g" on powerpc*-linux.
9549 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9552 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9553 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9555 2006-02-03 Jason Merrill <jason@redhat.com>
9558 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9561 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9562 on the return slot if it's an NRV.
9564 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9566 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9567 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9568 rewrite_use): Do not handle USE_OUTER.
9569 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9570 add_iv_outer_candidates, may_replace_final_value,
9571 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9572 (find_interesting_uses_op): Functionality of
9573 find_interesting_uses_outer_or_nonlin moved here.
9574 (find_interesting_uses_outside): Use find_interesting_uses_op.
9576 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9579 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9581 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9582 Ulrich Weigand <uweigand@de.ibm.com>
9585 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9586 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9587 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9588 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9590 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9591 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9592 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9593 Define secondary reloads for TFmode moves.
9594 (constant_modes): Add TFmode.
9595 (NR_C_MODES): Set to 8.
9596 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9598 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9599 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9600 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9601 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9602 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9603 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9604 (FPR mode macro): Add TFmode.
9605 (DSF mode macro): New.
9606 (<de>, <dee> mode attributes): Removed.
9607 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9608 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9609 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9610 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9611 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9612 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9613 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9614 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9615 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9616 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9617 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9618 "*negabs<mode>2", "sqrt<mode>2"):
9619 Changed <de> to <xde>. R constraint replaced by <Rf>.
9620 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9622 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9623 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9624 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9626 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9627 "extenddftf2", "extendsftf2"): New expanders.
9628 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9629 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9630 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9631 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9633 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9634 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9635 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9636 __floatditf): Add a GCC_4.1.0 symbol version tag.
9637 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9640 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9643 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9644 Use targetm.binds_local_p instead of TREE_PUBLIC.
9646 2006-02-02 Roger Sayle <roger@eyesopen.com>
9648 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9649 on INTEGER_TYPEs to indicate that it denotes a character type.
9650 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9651 signed_char_type_node, unsigned_char_type_node and char_type_node.
9652 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9653 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9654 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9656 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9657 Daniel Berlin <dberlin@dberlin.org>
9659 * tree-tailcall.c (arg_needs_copy_p): New function.
9660 (eliminate_tail_call): Use arg_needs_copy_p.
9661 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9662 (add_virtual_phis): New function.
9664 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9666 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9667 #ignore instead of #scratch for %g7 .register directive.
9669 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9671 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9674 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9676 * flow.c (calculate_global_regs_live): Assert that there aren't any
9679 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9681 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9683 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9684 bsi_after_labels iterator.
9685 * tree-if-conv.c (find_phi_replacement_condition,
9686 replace_phi_with_cond_modify_expr): Likewise.
9687 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9688 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9690 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9692 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9694 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9697 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9698 array after growing it.
9700 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9703 * fold-const.c (fold_checksum_tree): Change type of buf.
9705 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9707 * reload.c (push_secondary_reload): Initialize t_icode.
9709 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9711 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9712 -msoft-float -mlong-double-128 only issue a warning, but don't
9713 swich to DFmode long double.
9715 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9717 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9718 has a constant equivalent, iterate over equivalents for arg0,
9719 calling simplify_relational_operation and if there's a result
9720 cheaper than X, apply fold_rtx and return the result.
9722 2006-02-01 Jan Hubicka <jh@suse.cz>
9724 * opts.c (no_unit_at_a_time_default): New global variable.
9725 (decode_options): Use it.
9726 * opts.h (no_unit_at_a_time_default): Declare.
9728 2006-02-01 Paul Brook <paul@codesourcery.com>
9730 * function.c (assign_parm_setup_reg): Use function argument promotion
9732 * expr.c (expand_expr_real_1): Use function argument promotion rules
9735 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9737 * gcc.c (process_command): Change j to 'unsigned int'.
9739 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9742 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9743 Use the corrected index for the character
9744 out of the string constant.
9746 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9748 * mode-switching.c (optimize_mode_switching): Fix size
9749 allocated for bb_info[n_entities].
9751 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9753 * gcc.c (main): Correct type that is allocated for
9754 explicit_link_files.
9756 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9758 * config/s390/s390.c (init_alignment_context): Set
9759 ALIAS_SET_MEMORY_BARRIER on the MEM.
9760 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9762 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9765 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9767 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9770 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9772 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9773 * regrename.c: Ditto.
9774 * tree-ssa-loop-im.c: Ditto.
9775 * tree-dump.c: Ditto.
9776 * tree-complex.c: Ditto.
9777 * genrecog.c: Ditto.
9778 * tree-ssa-threadupdate.c: Ditto.
9780 * java/class.c: Ditto.
9781 * java/jcf-parse.c: Ditto.
9782 * java/resource.c: Ditto.
9783 * java/except.c: Ditto.
9784 * java/jvspec.c: Ditto.
9785 * java/jcf-write.c: Ditto.
9786 * java/jcf-path.c: Ditto.
9787 * java/gjavah.c: Ditto.
9788 * java/zextract.c: Ditto.
9789 * java/jcf-io.c: Ditto.
9790 * java/jcf.h: Ditto.
9791 * java/buffer.c: Ditto.
9792 * java/lang.c: Ditto.
9793 * java/parse-scan.y: Ditto.
9794 * java/lex.c: Ditto.
9795 * java/lex.h: Ditto.
9796 * cfgloopmanip.c: Ditto.
9797 * postreload-gcse.c: Ditto.
9798 * tree-ssa-loop-manip.c: Ditto.
9799 * postreload.c: Ditto.
9800 * tree-ssa-loop-ch.c: Ditto.
9804 * diagnostic.c: Ditto.
9806 * genoutput.c: Ditto.
9808 * cfghooks.c: Ditto.
9809 * cfgloopanal.c: Ditto.
9810 * objc/objc-act.c: Ditto.
9812 * genextract.c: Ditto.
9813 * genautomata.c: Ditto.
9814 * pretty-print.c: Ditto.
9816 * cgraphunit.c: Ditto.
9819 * haifa-sched.c: Ditto.
9820 * dominance.c: Ditto.
9822 * tree-ssa-loop-ivopts.c: Ditto.
9824 * mode-switching.c: Ditto.
9825 * modulo-sched.c: Ditto.
9827 * ipa-pure-const.c: Ditto.
9829 * fix-header.c: Ditto.
9831 * tree-stdarg.c: Ditto.
9832 * ipa-utils.c: Ditto.
9833 * loop-init.c: Ditto.
9834 * ipa-inline.c: Ditto.
9837 * alloc-pool.c: Ditto.
9838 * dwarf2out.c: Ditto.
9840 * genattrtab.c: Ditto.
9841 * tree-ssa-loop-ivcanon.c: Ditto.
9845 * fortran/gfortranspec.c: Ditto.
9847 * local-alloc.c: Ditto.
9848 * langhooks.c: Ditto.
9849 * function.c: Ditto.
9850 * tree-vectorizer.c: Ditto.
9852 * ipa-type-escape.c: Ditto.
9854 * tree-if-conv.c: Ditto.
9857 * tree-data-ref.c: Ditto.
9858 * loop-unroll.c: Ditto.
9859 * treelang/treetree.c: Ditto.
9862 * ggc-common.c: Ditto.
9864 * coverage.c: Ditto.
9866 * tree-cfgcleanup.c: Ditto.
9867 * tree-ssa-pre.c: Ditto.
9868 * cfgcleanup.c: Ditto.
9869 * loop-invariant.c: Ditto.
9871 * ipa-prop.c: Ditto.
9872 * print-tree.c: Ditto.
9873 * conflict.c: Ditto.
9874 * ggc-page.c: Ditto.
9875 * sched-deps.c: Ditto.
9876 * regclass.c: Ditto.
9877 * tree-object-size.c: Ditto.
9879 * bb-reorder.c: Ditto.
9880 * resource.c: Ditto.
9881 * var-tracking.c: Ditto.
9883 * df-problems.c: Ditto.
9884 * reg-stack.c: Ditto.
9887 * sched-rgn.c: Ditto.
9888 * tree-ssa-structalias.c: Ditto.
9889 * tree-ssa-reassoc.c: Ditto.
9890 * config/darwin-c.c: Ditto.
9891 * config/darwin.c: Ditto.
9892 * config/arm/arm.c: Ditto.
9894 * collect2.c: Ditto.
9897 2006-01-31 Nicolas Pitre <nico@cam.org>
9899 * arm.md (smaxsi3): Make aware of smax_m1.
9902 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9904 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9906 2006-01-31 Richard Guenther <rguenther@suse.de>
9908 * doc/invoke.texi (-msselibm): Document.
9909 * target.h (expand_library_builtin): New target hook.
9910 * builtins.c (expand_builtin): Use expand_library_builtin.
9911 (default_expand_library_builtin): New function.
9912 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9913 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9914 (link_gcc_math_spec): Declare.
9915 (static_specs): Add link_gcc_math_spec.
9916 * expr.h (default_expand_library_builtin): Declare.
9917 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9918 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9919 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9920 * config/i386/i386.opt (msselibm): New target option.
9921 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9922 (ix86_init_sse_abi_builtins): New function.
9923 (ix86_expand_library_builtin): Likewise.
9924 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9925 (override_options): Handle error conditions wrt -msselibm.
9926 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9927 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9928 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9931 2006-01-31 Richard Guenther <rguenther@suse.de>
9932 Paolo Bonzini <bonzini@gnu.org>
9934 * doc/install.texi (--disable-libgcc-math): Document.
9936 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9938 * expr.h (expand_normal): new inline function.
9939 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9941 * dwarf2out.c: use it.
9946 * config/sparc/sparc.c: use it.
9947 * config/i386/i386.c: use it.
9948 * config/rs6000/rs6000.c: use it.
9949 * config/arm/arm.c: use it.
9950 * config/mips/mips.c: use it.
9951 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9953 2006-01-30 Roger Sayle <roger@eyesopen.com>
9955 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9956 argv to the appropriate type.
9958 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9960 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9963 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9966 * config/s390/s390.c (struct machine_function): New flag
9967 decomposed_literal_pool_addresses_ok_p.
9968 (s390_reorg): Set it before final stage of literal pool transforms.
9969 (s390_decompose_address): Only accept displacements of the form
9970 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9972 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9974 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9975 the comparison routine return.
9977 2006-01-30 Michael Matz <matz@suse.de>
9979 * global.c (find_reg): Only evict for global regs.
9980 Take n_refs into account and dump more info.
9982 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9985 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9986 (pragma_trap, pragma_nosave_low_regs): Likewise.
9987 (current_function_anonymous_args): Likewise.
9988 (sh_deferred_function_attributes): New variable.
9989 (sh_deferred_function_attributes_tail): Likewise.
9990 (print_operand): For '@', look up trap_exit attribute.
9991 (calc_live_regs): Look up trapa_handler attribute. For trapa
9992 handlers, save/restore fpscr, but don't do any other
9993 interrupt-specific saves.
9994 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9995 Fix check for partially saved registers to check for SHmedia.
9996 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9997 (sh_output_function_epilogue): Don't clear any of the removed
9999 (sh_insert_attributes): Don't check pragma_interrupt.
10000 Insert deferred attributes. Check that interrupt attribute is
10001 present for other attributes that require its presence.
10002 (sh_attribute_table): Add new attributes trapa_handler and
10004 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10005 Don't check for pragma_interrupt. Don't store argument.
10006 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10007 (sh_deferred_function_attributes): Declare.
10008 (sh_deferred_function_attributes_tail): Likewise.
10009 * sh.md (sp_switch_1): Add operand. Change generator caller.
10010 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10011 (*return_i): Don't use when trap_exit attribute is in effect.
10012 (*return_trapa): New insn pattern.
10013 * sh-c.c: New file.
10014 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10015 setting c_target_objs and cxx_target_objs.
10016 * t-sh: Add rule for sh-c.o.
10018 2006-01-30 Richard Guenther <rguenther@suse.de>
10021 * gimplify.c (gimplify_target_expr): Handle easy cases
10022 without creating a temporary.
10024 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10026 * vec.h (safe_grow): Remove duplicated line.
10028 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10031 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10032 (expand_omp): ... here.
10033 (expand_omp_parallel): Only remove barriers for combined
10034 parallel+workshare constructs.
10036 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10040 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10041 * tree.c (build_qualified_type): Chain the new type to the original
10042 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10043 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10044 (build_pointer_type_for_mode): Only return unqualified types.
10045 (build_reference_type_for_mode): Likewise.
10047 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10049 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10050 * Makefile.in (CXX_COMPAT_WARN): Define.
10051 * configure: Regenerate.
10053 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10056 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10059 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10061 * toplev.c: Fix thinko.
10063 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10064 Marcin Dalecki <martin@dalecki.de>
10066 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10067 (push_srcloc): Use XNEW.
10068 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10070 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10072 * df-core.c (df_set_blocks): Deleted all variable.
10074 2006-01-28 Ian Lance Taylor <ian@airs.com>
10076 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10077 cgraph_output_pending_asms.
10079 2006-01-28 Zack Weinberg <zackw@panix.com>
10081 * c.opt: Add -W(no-)overlength-strings.
10082 * doc/invoke.texi: Document it.
10083 * c-opts.c (c_common_handle_option): -pedantic implies
10084 -Woverlength-strings, if not explicitly disabled already.
10085 (c_common_post_options): -Woverlength-strings defaults to off, and
10086 is always off for C++.
10087 * c-common.c (fix_string_type): Issue warning about strings longer
10088 than is portable only if warn_overlength_strings. Rearrange code
10089 a little for clarity.
10090 * configure.in: Check for -Wno-overlength-strings as well before
10091 enabling -pedantic in stage 1.
10092 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10093 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10095 * genconditions.c (write_header, write_one_condition)
10096 (write_conditions, write_writer): Consolidate very long strings
10097 that were broken up to fit in C89 portable limit. Don't use
10098 printf when fputs will do.
10100 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10102 * combine.c (simplify_comparison <AND>): Check
10103 TRULY_NOOP_TRUNCATION before start using a subreg.
10105 * config/mips/mips.md (*branch_zero<mode>,
10106 *branch_zero<mode>_inverted, *branch_equality<mode>,
10107 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10108 Remove mode check from comparisons.
10110 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10112 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10114 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10116 * expmed.c (const_mult_add_overflow_p): Remove.
10117 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10119 * recog.c (validate_replace_rtx_subexp): Remove.
10120 * recog.h: Remove the prototype for
10121 validate_replace_rtx_subexp.
10123 * integrate.h: Remove the prototype for
10124 copy_decl_for_inlining.
10125 * rtl.h: Remove the prototype for mark_constant_function.
10126 * tree-vectorizer.h: Remove the prototype for
10127 vect_strip_conversion.
10129 * modulo-sched.c (create_partial_schedule,
10130 free_partial_schedule, reset_partial_schedule): Make them
10133 * hooks.c (hook_bool_rtx_int_false): Remove.
10134 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10136 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10138 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10139 and -mlong-double-128 are incompatible.
10140 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10141 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10142 (TARGET_LIBGCC2_CFLAGS): Define.
10143 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10144 (TARGET_LIBGCC2_CFLAGS): Same.
10145 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10147 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10150 * c-typeck.c (build_binary_op): Perform implicit casts of
10151 operands before shortening them.
10153 * cfgloopmanip.c (split_loop_bb): Remove.
10154 * cfgloop.h: Remove the prototype for split_loop_bb.
10156 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10157 * cfgloop.h: Remove the prototype for
10158 flow_loop_outside_edge_p.
10160 * emit-rtl.c (init_virtual_regs): Make it static.
10161 * function.h: Remove the prototype for init_virtual_regs.
10163 * recog.c (peephole2_optimize): Make it static.
10164 * recog.h: Remove the prototype for peephole2_optimize.
10166 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10168 * df-scan.c (df_record_entry_block_defs): Check if
10169 INCOMING_RETURN_ADDR_RTX is defined.
10171 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10172 Kenneth Zadeck <zadeck@naturalbridge.com>
10174 PR rtl-optimization/24762
10175 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10176 * targhooks.c (hook_void_bitmap): New hook prototype.
10177 * targhoohs.h (hook_void_bitmap): Ditto.
10178 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10179 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10180 * target.h (live_on_entry): New function pointer.
10181 * df-scan.c (df_all_hard_regs): Removed.
10182 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10183 (df_scan_free_internal): Added df->entry_block_defs.
10184 (df_scan_alloc): Ditto.
10185 (df_scan_dump): Ditto.
10186 (df_uses_record): Plumbed flag field properly thru calls.
10187 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10188 This part fixes PR24762.
10189 (df_bb_refs_record): Added code to make the frame and arg
10190 pointers live in EH blocks.
10191 (df_refs_record): Added call to df_record_entry_block_defs.
10192 (df_record_entry_block_defs): New function.
10193 * df-core.c: Added comments to describe new artifical defs.
10194 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10195 (entry_block_defs): New field in struct df.
10196 (df_all_hard_regs): Deleted.
10197 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10198 * df-problems.c (df_ru_bb_local_compute_process_def):
10199 Added code to handle artifical defs in the entry to a function.
10200 (df_ru_bb_local_compute): Ditto.
10201 (df_rd_bb_local_compute_process_def): Ditto.
10202 (df_rd_bb_local_compute): Ditto.
10203 (df_lr_bb_local_compute): Ditto.
10204 (df_ur_bb_local_compute): Ditto.
10205 (df_urec_bb_local_compute): Ditto.
10206 (df_chain_create_bb): Ditto.
10207 (df_ur_local_finalize): Removed entry.
10208 (df_urec_init): Ditto.
10209 (df_urec_local_finalize): Ditto.
10210 (df_ri_bb_compute): Added detection of last use of pseudos.
10211 * Makefile.in (df-scan.o): Updated dependencies.
10212 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10213 * config/mips/mips.c (mips_set_live_on_entry): Added.
10214 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10216 * dce.c (marked_insn_p): Added code to handle artifical defs.
10218 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10220 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10222 (_mm_cvtsi128_si64): Likewise.
10223 (_mm_cvtsd_si64): Likewise.
10224 (_mm_cvttsd_si64): Likewise.
10225 (_mm_cvtsi64_sd): Likewise.
10226 (_mm_cvtsi64_si128): Likewise.
10227 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10228 (_mm_cvtsi64_m64): Likewise.
10229 (_m_to_int64): Likewise.
10230 (_mm_cvtm64_si64): Likewise.
10231 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10232 (_mm_cvttss_si64): Likewise.
10233 (_mm_cvtsi64_ss): Likewise.
10234 (_mm_cvtss_f32): Likewise.
10236 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10238 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10239 for pragma redefine_extname.
10241 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10244 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10245 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10246 -mno-minimal-toc to previous content.
10247 (bispecs): Remove goal.
10248 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10249 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10250 compatibility aliases on powerpc-*-*gnu*.
10251 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10252 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10253 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10254 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10255 (ldblspecs): New goal.
10256 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10257 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10259 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10260 L_sf_to_tf or L_df_to_tf is defined.
10262 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10263 Alan Modra <amodra@bigpond.net.au>
10266 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10267 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10268 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10269 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10270 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10271 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10272 (rs6000_override_options): Initialize rs6000_ieeequad.
10273 Initialize TFmode format to ibm_extended_format if not
10275 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10277 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10278 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10279 (function_arg_advance): IBM long double passed in two FPRs, not
10281 (function_arg): IBM long double passed in FPRs.
10282 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10283 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10284 Only multireg GPR aligned.
10285 (rs6000_init_libfuncs): Enable IBM long double functions if not
10287 (rs6000_generate_compare): Use IBM long double compare if not
10289 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10290 (TARGET_IEEEQUAD): Define.
10291 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10292 not TARGET_IEEEQUAD.
10293 * config/rs6000/rs6000.md: Enable TFmode patterns if
10295 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10296 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10297 and -mlong-double-128 are incompatible.
10298 * doc/invoke.texi (-mabi): Collect options together. Add
10299 ibmlongdouble and ieeelongdouble.
10301 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10303 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10305 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10306 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10307 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10308 * rtl.h (rtunion_def): Remove rt_ptr.
10310 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10311 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10312 * config/i386/winnt.c (i386_pe_mark_dllexport)
10313 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10315 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10317 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10319 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10323 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10324 pthread_key_delete. From John David Anglin. gthrw-ify
10325 pthread_getunique_np only if it it's not a macro. Delete
10327 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10328 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10329 __gthread_objc_condition_signal, __gthread_key_delete): Add
10330 "__attribute__ ((__unused__))" to unused arguments.
10331 (__gthread_recursive_mutex_init_function): Add missing return.
10332 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10333 gthr-posix95.h: Use macro-based approach for name redirection
10334 on targets missing weakref.
10336 2006-01-26 Zack Weinberg <zackw@panix.com>
10338 * genconditions.c (write_header): In generated code, #ifdef out
10339 all includes and fake declarations, except includes of bconfig.h
10340 and system.h, unless GCC_VERSION >= 3001. Do not include
10341 gensupport.h in any case.
10342 (write_conditions): Generate a definition of struct c_test. Add
10343 a comment to the generated #endif.
10344 (write_one_condition): Escape backslashes in string too.
10345 (write_writer): Generated code must escape backslashes and quote
10346 marks (but not newlines) in the strings it writes.
10347 * Makefile.in (build/gencondmd.o): Update dependencies.
10349 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10352 * Makefile.in (insn-automata.o): Add header file dependencies.
10353 * genautomata.c: Add includes.
10355 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10358 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10360 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10362 * configure.ac: Expect target tools paths to be passed from the toplevel
10363 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10365 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10367 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10370 * c.opt (Wpointer-sign): Init to -1.
10371 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10372 OPT_pedantic, to 0 otherwise.
10373 * doc/invoke.texi: Update.
10375 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10377 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10378 constants provided by 80387 instructions in the destination mode.
10380 2006-01-26 Richard Guenther <rguenther@suse.de>
10381 Andrew Pinski <pinskia@physics.uc.edu>
10384 partial PR tree-opt/17064
10385 * tree-ssa-structalias.c (intra_create_variable_infos):
10386 Create heap variables for incoming parameters if
10387 flag_argument_noalias > 1.
10388 (find_what_p_points_to): Look through default defs of
10391 2006-01-26 Jeff Law <law@redhat.com>
10394 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10395 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10396 within the VR_RANGE, use the VR_RANGE as the result, not the
10398 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10399 bounds for the type.
10401 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10403 * tree-ssa-alias.c (maybe_create_global_var): Change
10404 subvar walking to an assertion that we don't have subvar'd variables.
10406 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10409 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10410 Use a new variable, inner. PARM_DECLs are always non-weak.
10412 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10414 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10415 --disable-checking.
10417 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10419 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10421 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10423 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10424 (smax_insn, smin_insn, smax_0, smin_0): New.
10426 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10429 * config/cris/cris.c (cris_order_for_addsi3): New function.
10430 * config/cris/cris-protos.h: Prototype it.
10431 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10432 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10433 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10434 (split for "op.S1 [rx=rx+i],ry (swapped)")
10435 (split for "op(s|u).S1 [rx=rx+i],ry")
10436 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10437 Apply cris_order_for_addsi3 when generating addsi3 insns.
10439 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10441 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10442 (TREE_BLOCK): Add call to EXPR_CHECK.
10444 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10447 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10448 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10449 (dump_omp_clauses): ... here.
10450 (dump_generic_node): Handle OMP_CLAUSE.
10451 * tree.c (omp_clause_num_ops): New.
10452 (omp_clause_code_name): New.
10453 (tree_code_size): Handle OMP_CLAUSE.
10454 (tree_size): Likewise.
10455 (make_node): Document handling of OMP_CLAUSE.
10456 (tree_node_structure): Handle OMP_CLAUSE.
10457 (omp_clause_check_failed): New.
10458 (omp_clause_range_check_failed): New.
10459 (omp_clause_operand_check_failed): New.
10460 (build_omp_clause): New.
10461 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10462 * tree.h (enum omp_clause_code): Declare.
10463 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10464 (OMP_CLAUSE_RANGE_CHECK): Define.
10465 (OMP_CLAUSE_ELT_CHECK): Define.
10466 (omp_clause_check_failed): Declare.
10467 (omp_clause_operand_check_failed): Declare.
10468 (omp_clause_range_check_failed): Declare.
10469 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10470 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10471 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10472 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10473 (OMP_CLAUSE_IF_EXPR): Likewise.
10474 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10475 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10476 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10477 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10478 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10479 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10480 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10481 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10482 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10483 (OMP_CLAUSE_CODE): Define.
10484 (OMP_CLAUSE_SET_CODE): Define.
10485 (OMP_CLAUSE_CODE): Define.
10486 (OMP_CLAUSE_OPERAND): Define.
10487 (struct tree_omp_clause): Declare.
10488 (union tree_node): Add field 'omp_clause'.
10489 * treestruct.def (TS_OMP_CLAUSE): Define.
10490 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10491 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10492 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10493 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10494 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10495 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10496 (OMP_CLAUSE): Define.
10497 * print-tree.c (print_node): Handle OMP_CLAUSE.
10498 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10499 * c-typeck.c: Likewise.
10500 * gimplify.c: Likewise.
10501 * c-omp.c: Likewise.
10502 * tree-nested.c: Likewise.
10503 * tree-inline.c: Likewise.
10504 * c-parser.c: Likewise.
10505 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10508 2006-01-25 Roger Sayle <roger@eyesopen.com>
10510 PR rtl-optimization/25703
10511 * combine.c (try_combine): Handle zero_extract and strict_low_part
10512 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10514 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10516 * global.c: Fix comment typos.
10518 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10521 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10522 Use output_addr_const instead of assemble_name.
10524 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10526 * Makefile.in (sched-vis.o): Update dependencies.
10527 * haifa-sched.c (sched_finish): Clear current_sched_info.
10528 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10529 (dump_flow_info): Call it.
10530 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10532 * basic-block.h (dump_bb_info): Declare.
10533 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10534 option, and apply options only for dump files whose TDF_RTL,
10535 TDF_TREE, or TDF_IPA bits match.
10536 * rtl.h: Declare new functions exported from sched-vis.c.
10537 * sched-vis.c: Enable also if scheduling is not used.
10538 (print_value): Print the mode of registers if not inside scheduling.
10539 (print_insn): Make it work outside the scheduler. Beautify the output
10541 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10543 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10545 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10546 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10547 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10548 depending on the value of CONSTANT_POOL_ADDRESS_P.
10549 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10551 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10552 rather than SYMBOL_REF_DECL.
10553 (rtx_constant_pool): Remove const_rtx_sym_htab.
10554 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10555 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10556 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10557 Remove handling of const_rtx_sym_htab.
10558 (find_pool_constant): Delete.
10559 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10560 rather than find_pool_constant.
10561 (get_pool_constant_for_function): Delete.
10562 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10563 find_pool_constant.
10564 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10565 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10566 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10567 (SYMBOL_REF_CONSTANT): New macro.
10568 (get_pool_constant_for_function): Delete.
10569 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10570 rather than SYMBOL_REF_DECL.
10571 (i386_pe_mark_dllimport): Likewise.
10572 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10573 rather than SYMBOL_REF_DECL.
10574 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10575 (machopic_indirect_call_target): Likewise.
10577 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10579 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10581 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10583 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10585 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10587 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10589 2006-01-24 David Daney <ddaney@avtrex.com>
10592 * configure.ac (enable_tls): New enable option.
10593 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10594 * configure: Regenerate.
10595 * doc/install.texi (--enable-tls): Document new option.
10596 (--disable-tls): Ditto.
10598 2006-01-24 Richard Henderson <rth@redehat.com>
10600 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10601 * alias.c (true_dependence): Respect it.
10602 (canon_true_dependence, write_dependence_p): Likewise.
10603 * builtins.c (get_builtin_sync_mem): Set it.
10605 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10607 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10610 2006-01-24 DJ Delorie <dj@redhat.com>
10612 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10613 for storing constants in single-bit bitfields.
10615 2006-01-25 Ben Elliston <bje@au.ibm.com>
10617 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10619 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10622 * tree-ssa-pre.c (phi_translate): Return NULL
10623 for AGGREGATE_TYPE's.
10625 2006-01-24 Zack Weinberg <zackw@panix.com>
10627 * genautomata.c (process_state_for_insn_equiv_partition):
10628 Use xcalloc for insn_arcs_array.
10629 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10630 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10632 2006-01-24 Richard Henderson <rth@redhat.com>
10634 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10635 update all callers.
10637 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10639 PR rtl-optimization/25890
10640 PR rtl-optimization/25905
10641 * combine.c (expand_compound_operation, expand_field_assignment):
10642 Fail if the bitfield's final position is out of bounds.
10644 2006-01-24 Ian Lance Taylor <ian@airs.com>
10646 PR middle-end/25930
10647 * cgraphunit.c (cgraph_output_in_order): Don't clear
10648 cgraph_asm_nodes until after asm strings have been output.
10650 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10652 * fix-header.c (read_scan_file): Add new parameter imultilib when
10653 calling register_include_chains.
10655 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10657 * omp-low.c: Update documentation.
10659 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10660 Daniel Berlin <dberlin@dberlin.org>
10664 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10665 return from the function.
10667 2006-01-22 Zack Weinberg <zackw@panix.com>
10669 * rtl.def (match_code): Add second argument.
10670 * genpreds.c (write_extract_subexp): New function.
10671 (write_match_code): Add path argument. Use write_extract_subexp.
10672 (write_predicate_expr): Pass path to write_match_code.
10673 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10674 not perform a mode test.
10675 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10676 a subexpression does not constrain the top-level code set.
10677 * read-rtl.c (read_rtx_variadic): New function.
10678 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10679 * doc/md.texi: Document new notation.
10680 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10681 (cmpsi_operand): ... here, using new notation.
10683 2006-01-22 Zack Weinberg <zackw@panix.com>
10685 * varray.c: Remove GENERATOR_FILE #ifdefs.
10687 2006-01-22 Zack Weinberg <zackw@panix.com>
10689 * genautomata.c (output_reserved_units_table): Emit nothing if
10690 description->query_units_num is zero. Remove extra blank line.
10691 (output_cpu_unit_reservation_p): Short circuit
10692 if description->query_units_num is zero.
10694 2006-01-22 Zack Weinberg <zackw@panix.com>
10696 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10697 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10698 nor any of the random handful of variables that used to be necessary
10699 when this program was linked with rtlanal.o. Prune set of forward
10700 function declarations.
10701 (struct attr_desc): Remove static_p field.
10702 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10703 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10704 (attr_string): Do not read the character one past the length of
10706 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10707 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10708 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10709 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10710 (make_automaton_attrs): New.
10711 (main): Do not call into genautomata. Call local gen_bypass
10712 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10713 Remove special case for insn_alts.
10714 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10715 varray.h (leftover from previous change). Prune set of forward
10716 function declarations. Remove state_alts fields from all
10717 structures. Remove state_alts_table from struct automaton.
10718 Make everything except main static. Do not maintain num_dfa_decls.
10719 Do not maintain state_alts fields of various structures.
10720 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10721 (add_arc): Remove state_alts argument. All callers updated.
10722 (output_reserved_units_table): Emit #ifdef here...
10723 (output_tables): ...not here. Don't generate state_alts tables.
10724 (expand_automata): Don't generate attributes.
10725 (write_automata): Don't generate state_alts functions.
10726 (main): New function.
10727 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10728 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10729 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10730 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10731 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10732 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10733 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10734 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10736 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10737 * genattrtab.h: Delete file.
10738 * Makefile.in (OBJS-common): Add insn-automata.o.
10739 (insn-automata.o): New rule.
10740 (simple_generated_c): Add insn-automata.c.
10741 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10742 (genprogmd): Add automata.
10743 (build/genattrtab): Needs no extra objects nor libraries.
10744 (build/genautomata): Needs build/vec.o and -lm.
10746 2006-01-22 Zack Weinberg <zackw@panix.com>
10748 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10749 (output_dfa_max_issue_rate, locked_states_num): Delete.
10750 (struct automaton): Add locked_states field.
10751 (output_dead_lock_vect): Save number of locked states in
10752 automaton->locked_states. If it is zero, don't print anything.
10753 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10754 (output_internal_dead_lock_func): Only test the dead_lock_vect
10755 for automata that have locked states.
10756 (output_statistics): Always print the number of locked states for
10757 each automaton. Calculate total number of locked states here.
10758 (write_automata): Don't call output_dfa_max_issue_rate.
10759 * genattrtab.c: Define length_unit_log as a const variable.
10760 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10761 max_insn_queue_index const.
10762 * final.c (length_unit_log): Declare const.
10763 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10765 2006-01-22 Zack Weinberg <zackw@panix.com>
10767 * genautomata.c: Include vec.h, not varray.h.
10768 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10769 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10770 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10771 VEC_* macros operating on appropriately typed vectors, or to
10772 malloced arrays when the size is known in advance. Const-ify
10773 many char* variables and function arguments. No functional changes.
10774 * Makefile.in (build/varray.o): Delete rule.
10775 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10776 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10778 2006-01-22 Zack Weinberg <zackw@panix.com>
10780 * gensupport.c: Define get_insn_name and record_insn_name here.
10781 (read_md_rtx): Call record_insn_name as appropriate.
10782 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10783 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10784 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10786 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10787 (BUILD_VARRAY): Delete.
10788 (genprognormal): Rename genprogmd. Fold in all programs from
10789 genprognoprint; also attrtab.
10790 (build/genattrtab): Just mention genautomata.o and varray.o.
10791 Reorganize a bit, add comments to make the categories clearer.
10793 2006-01-22 Zack Weinberg <zackw@panix.com>
10795 * genconditions.c (condition_table, add_condition): Delete.
10796 (write_conditions): Don't emit n_insn_conditions nor
10797 insn_elision_unavailable. Issue the gcc version #ifdef here,
10798 inside the table, with no #else clause ...
10799 (write_header): ...not here.
10800 (write_writer): New function.
10801 (main): Don't initialize condition_table. Use add_c_test.
10803 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10804 files on the command line.
10805 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10806 Return -1 if there is no entry in the table, don't abort.
10807 (add_c_test, traverse_c_tests): New functions.
10808 * gensupport.h (insn_elision_unavailable, insn_conditions)
10809 (n_insn_conditions): Delete declarations.
10810 (add_c_test, traverse_c_tests): Declare.
10811 * read-rtl.c: Include gensupport.h.
10812 (read_conditions): New function.
10813 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10814 (read_rtx_1): If we get EOF when we were looking for an initial
10815 open paren, return 0. Call read_conditions when appropriate.
10816 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10817 dummy-conditions.o. Eliminate references to insn-conditions.o,
10818 or change them to build/gencondmd.o, as appropriate. Remove
10819 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10820 from $(simple_generated_c). For all files remaining in those
10821 two lists, add insn-conditions.md to the generator command line.
10822 Give insn-constants.h/s-constants their own rules. Add rules
10823 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10824 (build/read-rtl.o): Depend on gensupport.h.
10825 (genprognormal): Include preds.
10826 (genprogearly): Rename genprognoprint; only difference is now that
10827 they don't link with $(BUILD_PRINT).
10828 * dummy-conditions.c: Delete.
10830 2006-01-22 Zack Weinberg <zackw@panix.com>
10832 * genextract.c: Don't include insn-config.h. Do include vec.h.
10833 Declare vectors of int, char, and locstr.
10834 (locstr): New typedef.
10835 (struct extraction): Make all array fields into bare pointers.
10836 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10837 (insn_code_number): Delete.
10838 (accum_extract): New struct.
10839 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10840 (gen_insn): Take insn_code_number as an argument. Use an
10841 accum_extract structure instead of loading data directly into
10842 a struct extraction, and having to know how big it might get.
10843 (walk_rtx): Operate entirely on an accum_extract structure.
10844 (print_path): Avoid unnecessary use of printf.
10845 (print_header): New function, split out of main. Distinguish
10846 more carefully between an unrecognizable insn and an insn that
10847 has the code number of a define_expand.
10848 (main): Pass insn_code_number to gen_insn. Call print_header
10849 only after parsing. Avoid unnecessary use of printf.
10850 * Makefile.in (build/vec.o): New rule.
10851 (build/genextract): Depend on build/vec.o.
10852 (build/genextract.o): Don't depend on insn-config.h.
10854 2006-01-22 Zack Weinberg <zackw@panix.com>
10856 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10857 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10858 practical. Eliminate per-generator-program link rules.
10860 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10862 PR middle-end/24437
10863 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10864 with a call expr to ...
10865 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10867 2006-01-23 Richard Guenther <rguenther@suse.de>
10869 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10870 before make_edge with conditional EDGE_TRUE_VALUE.
10872 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10873 Jan Hubicka <jh@suse.cz>
10874 Richard Guenther <rguenther@suse.de>
10876 PR rtl-optimization/25654
10877 * cfgexpand.c (aggregate_contains_union_type): New function.
10878 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10879 for structure variables that contain a union type.
10881 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10883 * gengtype.c (new_structure): Return the structure.
10884 (create_option): Add an extra "next" argument.
10885 (create_field): New function.
10886 (adjust_field_rtx_def): Use create_option and create_field.
10887 Remove a now-unnecessary call to find_structure.
10888 (adjust_field_tree_def): Likewise.
10889 (note_yacc_type): Remove an unnecessary call to find_structure.
10890 * gengtype.h (new_structure): Return the structure.
10891 (create_option): Add an extra argument.
10892 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10893 (option): Adjust calls to create_option.
10895 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10897 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10899 2006-01-22 Paul Brook <paul@codesourcery.com>
10900 Peter Barada <peter@the-baradas.com>
10902 * config/m68k/m68k.md: Add Coldfire FPU support.
10903 Define FP mode macro and associated attributes.
10904 Use it for float mode patterns.
10905 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10906 (LIBCALL_VALUE): Use m68k_libcall_value.
10907 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10908 (m68k_function_value): Ditto.
10909 (emit_move_sequence): Ditto.
10910 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10911 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10912 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10913 (MULTILIB_EXCEPTIONS): Ditto.
10914 * config/m68k/m68k.opt: Add mcfv4e.
10915 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10916 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10917 (m68k_output_function_prologue): Save ColdFire FPU registers.
10918 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10919 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10920 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10921 ColdFire FPU registers.
10922 (m68k_libcall_value, m68k_function_value): New functions.
10923 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10924 (LIBCALL_VALUE): Use m68k_libcall_value.
10925 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10926 (MASK_COLDFIRE): Add MASK_CFV4E.
10927 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10928 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10929 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10930 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10931 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10932 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10933 * doc/invoke.tex: Document -mcfv4e on m68k.
10935 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10937 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10940 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10943 * c-opts.c (c_common_handle_option): Don't include
10944 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10945 * doc/invoke.texi (C++ Dialect Options): Document that
10946 -Wnon-virtual-dtor is no longer included in -Wall.
10948 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10950 * gcov.c (print_version), gcov-dump.c (print_version),
10951 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10954 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10956 * df-scan.c (problem_SCAN): Added NULL reset function.
10957 (df_scan_reset_blocks): Added code to call reset block function
10958 (df_bb_refs_delete) Fixed comment.
10959 (df_insn_refs_delete): Made tolerant of deleting non existent info
10960 for dataflow problems that need to be reset.
10961 * df-core.c (df_set_blocks): Ditto.
10962 * df.h (struct df_problem): Added reset_fun.
10963 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10964 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10965 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10966 functions to clear out all references to def-use or use-def chains.
10968 2006-01-21 Ben Elliston <bje@au.ibm.com>
10970 * varasm.c (assemble_real): Initialise data array.
10972 2006-01-20 Paul Brook <paul@codesourcery.com>
10974 Merge from csl-arm-branch.
10975 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10976 * config/arm/arm.md (movdi): Force operands[1] to a register
10977 if we have a non-register source.
10978 (*arm_movdi, *movdf_soft_insn): Require that one of the
10979 operands be a register.
10980 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10981 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10983 2006-01-20 DJ Delorie <dj@redhat.com>
10985 * varasm.c (initializer_constant_valid_p): Allow pointers
10986 initialized from integer constants of lesser precision.
10987 (output_constant): Allow non-int-sized pointer modes to be
10988 initialized from integer constants.
10990 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10993 * cppdefault.h (struct default_include): Add multilib flag.
10994 * cppdefault.c (cpp_include_defaults): Set it.
10995 * c.opt (-imultilib): New option.
10996 * c-opts.c (imultilib): New.
10997 (c_common_handle_option): Handle -imultilib.
10998 (c_common_post_options): Likewise.
10999 * c-incpath.c (add_standard_paths, register_include_chains):
11001 * c-incpath.h (register_include_chains): Add extra parameter.
11002 * gcc.c (do_spec_1): Generate -imultilib option.
11003 (The Specs Language): Update %I description.
11004 (process_command): Update copyright notice.
11005 * doc/cppopts.texi (-imultilib): Document.
11006 * doc/invoke.texi (-imultilib): Include in option summary.
11007 (%I): Update specs documentation.
11009 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11011 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11013 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11015 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11018 2006-01-20 Richard Guenther <rguenther@suse.de>
11019 Steven Bosscher <stevenb.gcc@gmail.com>
11021 PR rtl-optimization/24626
11022 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11023 EDGE_TRUE_VALUE if in RTL mode.
11026 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11027 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11029 2006-01-20 Dirk Mueller <dmueller@suse.com>
11032 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11033 instead of a special NOP marker.
11034 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11035 NOP marker handling.
11036 * c-common.h (empty_body_warning): Add forward declaration.
11037 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11038 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11040 2006-01-20 Paul Brook <paul@codesourcery.com>
11042 * Makefile.in (lang_checks): Keep going if mkdir fails.
11044 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11046 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11047 be able to clean out basic block when not necessary.
11048 (df_scan_free): Fixed to properly delete information if df is
11049 unused before calling df_finish.
11050 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11051 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11053 (df_bb_refs_delete): New function.
11054 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11055 * df-core.c (df_set_blocks): Added code to properly clean out
11056 unused blocks if they are not part of the blocks to consider.
11057 Added additional null check.
11058 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11059 be able to clean out basic block when not necessary
11060 * df.h (df_free_bb_function): Ditto.
11061 (df_bb_refs_delete): New function.
11062 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11063 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11064 basic block parameter to be able to clean out basic block when not
11066 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11067 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11068 Fixed to properly delete information if df is unused before
11071 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11073 PR rtl-optimization/25799
11074 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11075 Corrected confluence operator to remove bits from op2 before oring
11076 with op1 rather than removing bits from op1.
11077 (df_ru_transfer_function): Corrected test on wrong bitmap which
11078 caused infinite loop. Both of these problems were introduced in
11079 the dataflow rewrite.
11081 2006-01-19 DJ Delorie <dj@redhat.com>
11083 * reload1.c (find_reload_regs): Note the details of reload
11084 failures in the dump file.
11085 (spill_failure): Likewise.
11087 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11089 * loop-iv.c: Include df.h and hashtab.h.
11090 (enum iv_grd_result): New enum.
11091 (DF_REF_IV, DF_REF_IV_SET): New macros.
11092 (struct biv_entry): New.
11093 (df, bivs): New global variables.
11094 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11095 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11097 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11098 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11099 analyzed_for_bivness_p, record_biv): New functions.
11100 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11101 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11102 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11104 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11106 (iv_number_of_iterations): Use new interface to iv analysis.
11107 * loop-unroll.c: Do not include varray.h.
11108 (analyze_iv_to_split_insn): Use new interface to iv
11110 * loop-unswitch.c (may_unswitch_on): Ditto.
11111 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11113 (df_bb_modify): Realloc tables to the new index.
11114 (df_find_use): New function.
11115 * df.h (df_find_use): Declare.
11116 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11118 * cfgloop.h (struct rtx_iv): Remove analysed field.
11119 (iv_get_reaching_def): Removed.
11120 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11121 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11122 (loop-iv.o): Add df.h and hashtab.h dependency.
11123 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11125 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11128 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11130 (__floatundisf, __floatundidf): Likewise.
11131 * libgcc2.h (IS_IBM_EXTENDED): Define.
11133 2006-01-19 DJ Delorie <dj@redhat.com>
11135 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11137 2006-01-19 Paul Brook <paul@codesourcery.com>
11139 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11140 as nothrow when unwinding tables are disabled.
11142 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11145 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11146 of bit-field" when in system header.
11148 2006-01-19 DJ Delorie <dj@redhat.com>
11150 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11151 the 16 bit shift limit of the m16c.
11153 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11156 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11157 * config/i386/i386.c (output_set_got): Output the label if we have one
11158 for the TARGET_DEEP_BRANCH_PREDICTION case.
11160 2006-01-19 Jan Hubicka <jh@suse.cz>
11161 H.J. Lu <hongjiu.lu@intel.com>
11162 Evandro Menezes <evandro.menezes@amd.com>
11164 * invoke.texi (generic): Document
11166 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11167 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11168 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11169 (x86_use_incdec, x86_pad_returns): New variables
11170 (TARGET_CPU_DEFAULT_generic): New constant
11171 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11172 (enum processor_type): Add generic32 and generic64.
11173 * i386.md (cpu attribute): Add generic32/generic64
11174 (movhi splitter): Behave sanely when both partial_reg_dependency and
11175 partial_reg_stall are set.
11176 (K8 splitters): Enable for generic as well.
11177 * predicates.md (incdec_operand): Use TARGET_INCDEC
11178 (aligned_operand): Avoid memory mismatch stalls.
11179 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11180 * ppro.md: Enable for generic32
11181 * i386.c (generic64_cost, generic32_cost): New.
11182 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11183 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11184 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11185 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11186 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11187 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11188 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11189 x86_accumulate_outgoing_args, x86_prologue_using_move,
11190 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11191 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11192 Enable for generic.
11193 (x86_use_incdec, x86_pad_returns): New.
11194 (override_options): Add generic32 and generic64, translate "generic"
11195 to generic32/generic64 and "i686" to "generic32", refuse
11196 "generic32"/"generic64" as arch target.
11197 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11198 (ix86_reorg): Honor PAD_RETURNS.
11200 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11202 * tree-pretty-print.c (dump_generic_node): Handle
11203 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11204 * cgraph.c (cgraph_expand_queue): Rename from
11205 cgraph_analyze_queue. Update all users.
11206 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11207 cgraph_expand_queue.
11208 (cgraph_expand_all_functions): Likewise.
11209 (cgraph_finalize_pending_functions): Remove. Update callers.
11211 * tree.h (OMP_DIRECTIVE_P): Define.
11212 (OMP_PARALLEL_FN): Define.
11213 (OMP_PARALLEL_DATA_ARG): Define.
11214 (OMP_SECTIONS_SECTIONS): Define.
11215 * tree-pass.h (pass_expand_omp): Declare.
11216 * omp-low.c (struct omp_region): Declare.
11217 (struct omp_context): Remove fields 'parallel_type',
11218 'parallel_start_ix' and 'parallel_start_additional_args'.
11220 (struct omp_for_data): Rename from struct expand_omp_for_data.
11221 (omp_regions): New static variable.
11222 (root_omp_region): New static variable.
11223 (find_omp_clause): Make static.
11224 (is_in_combined_parallel_ctx): Remove.
11225 (is_combined_parallel): New.
11226 (extract_omp_for_data): Move earlier in the file.
11227 (workshare_safe_to_combine_p): New.
11228 (get_ws_args_for): New.
11229 (determine_parallel_type): Move earlier in the file.
11230 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11232 (omp_copy_decl): Likewise.
11233 (create_omp_child_function): Likewise.
11234 (lookup_omp_region): New.
11235 (dump_omp_region): New.
11236 (debug_omp_region): New.
11237 (debug_all_omp_regions): New.
11238 (new_omp_region): New.
11239 (scan_omp_parallel): If parallel_nesting_level > 1, the
11240 directive is nested within another parallel directive.
11241 Set OMP_PARALLEL_FN.
11242 (scan_omp_for): Do not try to handle combined parallel+for
11244 Remove FIXME comment.
11245 (scan_omp_nested): Remove.
11246 (scan_omp_1): Do not call scan_omp_nested when
11247 parallel_nesting_level is > 1.
11248 Do not change the DECL_CONTEXT of local variables found.
11249 (lookup_decl_in_outer_ctx): New.
11250 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11251 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11252 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11253 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11254 If CTX is nested, lookup VAR in the outer context when
11255 building copy assignment.
11256 (lower_send_clauses): Rename from expand_send_clauses.
11257 If CTX is nested, lookup VAR in the outer context when
11258 building copy assignments.
11259 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11260 If CTX is nested, lookup VAR in the outer context when
11261 building copy assignments.
11262 (expand_parallel_call): Rename from build_parallel_call.
11263 Handle combined parallel+workshare cases.
11264 Re-implement to emit code into the CFG.
11266 (expand_omp_parallel): Re-implement to emit code into the CFG.
11267 Call move_sese_region_to_fn to outline the sub-graph
11268 containing the parallel region.
11269 (expand_omp_for_1): Remove.
11270 (expand_omp_for_generic): Re-implement to emit code into the
11272 (expand_omp_for_static_nochunk): Likewise.
11273 (expand_omp_for_static_chunk): Likewise.
11274 (expand_omp_for): Likewise.
11275 (expand_omp_sections): Likewise.
11276 (remove_exit_barriers): New.
11277 (expand_omp_synch): New.
11279 (build_omp_regions_1): New.
11280 (build_omp_regions): New.
11281 (execute_expand_omp): New.
11282 (gate_expand_omp): New.
11283 (pass_expand_omp): Define.
11284 (lower_omp_sections): Rename from expand_omp_sections.
11285 Set OMP_SECTIONS_SECTIONS.
11286 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11287 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11288 (lower_omp_single): Rename from expand_omp_simple.
11289 (lower_omp_master): Rename from expand_omp_master.
11290 (lower_omp_ordered): Rename from expand_omp_ordered.
11291 (lower_omp_critical): Rename from expand_omp_critical.
11292 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11293 (lower_omp_for): Re-implement.
11294 (lower_omp_parallel): Re-implement.
11295 (lower_regimplify): Rename from expand_regimplify.
11296 (lower_omp_1): Rename from expand_omp_1.
11297 If there are syntax errors in the program, replace every
11298 OpenMP directive with NOP.
11299 Call lower_omp_* instead of expand_omp_*.
11300 (lower_omp): Rename from expand_omp.
11302 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11303 * tree-gimple.h (enum omp_parallel_type): Remove.
11304 (gimple_boolify): Declare extern.
11305 (find_omp_clause, determine_parallel_type): Remove.
11307 * gimple-low.c (lower_omp_directive): New.
11308 (lower_stmt): Call it.
11309 (record_vars_into): Move from ...
11310 (record_vars): ... here.
11311 Call record_vars_into with current_function_decl.
11313 * gimplify.c (struct gimplify_ctx): Remove fields
11314 combined_pre_p and combined_ctxp. Update users.
11315 (get_formal_tmp_var): Add documentation.
11316 (gimple_boolify): Make extern.
11317 (gimplify_expr_in_ctx): Remove. Update callers.
11318 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11319 will always be a BIND_EXPR.
11320 (gimplify_expr): Handle OMP_RETURN_EXPR.
11321 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11322 (OMP_PARALLEL): Add 3 operands.
11323 (OMP_SECTIONS): Add 1 operand.
11324 (OMP_RETURN_EXPR): Define.
11326 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11327 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11328 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11329 creating a circular free list.
11330 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11332 * tree-flow.h (move_sese_region_to_fn): Declare.
11333 (record_vars_into): Declare.
11334 * tree-cfg.c (make_omp_sections_edges): New.
11335 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11336 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11337 OMP_SECTIONS and OMP_SECTION.
11338 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11339 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11340 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11341 (gather_blocks_in_sese_region): New.
11342 (struct move_stmt_d): Declare.
11343 (move_stmt_r): New.
11344 (move_block_to_fn): New.
11345 (move_sese_region_to_fn): New.
11347 * passes.c (init_optimization_passes): Schedule
11348 pass_expand_omp after pass_init_datastructures.
11350 * tree-ssa-operands.c (get_expr_operands): Handle
11351 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11352 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11354 2006-01-19 Jeff Law <law@redhat.com>
11356 * tree-vrp.c (extract_range_from_assert): Refine the result range
11357 if the variable referenced by the ASSERT_EXPR has a range and
11358 either the tentative result range or the previous range is a
11361 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11363 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11365 2006-01-19 Jan Hubicka <jh@suse.cz>
11367 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11369 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11371 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11372 (expand_compound_operation, expand_field_assignment): Fail if the
11373 bit lengths of an extract operation are out of range.
11374 (make_extraction): Compute wanted_inner_mode based on the position
11375 and length of the extraction. Make it extraction_mode for non-constant
11376 positions, and do not modify offset in that case. When generating a
11377 new MEM, use a mode that can hold the extraction while keeping correct
11378 alignment. Remove code that supported MEMs wrapped by USEs.
11379 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11381 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11383 * config/s390/s390.md ("Y", "y"): New mode attribute.
11384 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11385 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11386 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11387 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11388 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11389 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11390 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11391 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11392 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11393 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11394 "addsi3", "subsi3"): Insn patterns removed.
11395 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11396 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11397 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11398 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11399 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11400 "*sub<mode>3_cconly2"): New insn patterns.
11401 ("addsi3", "subsi3"): New expanders.
11403 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11405 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11406 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11407 existing STMT_VINFO_VECTYPE if available.
11408 (vect_mark_relevant): Add special handling for stmts that are
11409 marked as STMT_VINFO_IN_PATTERN_P.
11410 (vect_analyze_loop): Call vect_pattern_recog.
11411 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11412 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11414 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11415 (vect_recog_func_ptr): New function-pointer type.
11416 * tree-vect-patterns.c: New file.
11417 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11418 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11419 (vect_pattern_recog_1): New functions.
11420 (vect_pattern_recog_funcs): New array of function pointers.
11422 * tree-vectorizer.h (ternary_op): New enum value.
11423 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11424 declaration. Revised documentation. Removed redundant dump prints.
11425 Removed redundant argument. Added support for reduction patterns.
11426 (vectorizable_reduction): Added support for reduction patterns.
11427 (vect_transform_stmt): Added support for patterns.
11429 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11430 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11431 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11432 (expand_widen_pattern_expr): New function.
11433 (init_optabs): Initialize new optabs udot_prod_optab,
11435 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11436 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11437 (expand_widen_pattern_expr): New function declaration.
11438 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11440 * tree-inline.c (estimate_num_insns_1): Added cases for new
11441 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11442 * tree-pretty-print.c (dump_generic_node): Likewise.
11443 (op_prio): Likewise.
11444 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11445 * tree-ssa-operands.c (get_expr_operands): Added case for
11447 * tree-vect-patterns.c (widened_name_p): New function.
11448 (vect_recog_dot_prod_pattern): Added function implementation.
11449 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11450 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11451 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11452 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11454 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11455 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11456 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11457 (init_optabs): Initialize new optabs widen_ssum_optab,
11459 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11460 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11461 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11462 use instead of type of def.
11463 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11464 function implementation.
11465 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11466 widen_ssumv8hi): New.
11468 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11471 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11474 * c-decl.c (add_flexible_array_elts_to_size): New function.
11475 (finish_decl): Use it.
11477 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11479 * diagnostic.h: Include options.h.
11480 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11481 dependancies for diagnostic.h.
11482 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11484 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11486 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11487 (ssa_ro_call_cache_valid): Ditto.
11488 * tree-ssa-alias.c (sort_tags_by_id): New function.
11489 (init_transitive_clobber_worklist): Ditto.
11490 (add_to_worklist): Ditto.
11491 (mark_aliases_call_clobbered): Ditto.
11492 (compute_tag_properties): Ditto.
11493 (set_initial_properties): Ditto.
11494 (compute_call_clobbered): Ditto.
11495 (compute_may_aliases): Call compute_call_clobbered and grouping.
11496 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11497 (compute_flow_insensitive_aliasing): Grouping now happens in our
11499 (setup_pointers_and_addressables): Remove clobbering related code.
11500 (add_may_alias): Ditto.
11501 (replace_may_alias): Ditto.
11502 (get_nmt_for): Ditto.
11503 (create_global_var):
11504 (is_escape_site): Return an escape_type enumeration.
11505 * tree-flow-inline.h (is_call_clobbered): Global var does not
11506 imply call clobbered.
11507 (mark_call_clobbered): Take a reason for marking this. Remove
11508 marking of globalness, and cache invalidation.
11509 (clear_call_clobbered): Remove cache invalidation code.
11510 * tree-dfa.c (dump_variable): If details is on, dump the reason
11512 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11514 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11515 (struct var_ann_d): Ditto.
11516 (enum escape_type): New.
11517 (mark_call_clobbered): Adjust prototype.
11518 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11519 are never call clobbered.
11520 Record reasons for escaping.
11521 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11522 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11523 (ssa_ro_call_cache_valid): Ditto.
11524 (clobbered_v_may_defs): Ditto.
11525 (clobbered_vuses): Ditto.
11526 (ro_call_vuses): Ditto.
11527 (clobber_stats): New.
11528 (init_ssa_operands): Zero out clobber stats.
11529 (fini_ssa_operands): Print out clobber stats.
11530 (get_call_expr_operands): Pass callee fndecl to
11531 add_call_read_ops).
11532 (add_call_clobber_ops): Remove use of cache.
11533 Add use of PURE_CONST information.
11534 (add_call_read_ops): Remove use of cache.
11535 Add use of static not_read information.
11537 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11539 Introduce TLS descriptors for i386 and x86_64.
11540 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11541 (TARGET_ANY_GNU_TLS): New macro.
11542 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11543 (struct machine_function): Add tls_descriptor_call_expanded_p.
11544 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11545 (ix86_current_function_calls_tls_descriptor): Likewise.
11546 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11547 (override_options): Introduce gnu2 tls dialect.
11548 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11550 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11552 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11553 (ix86_init_machine_status): Initialize new field.
11554 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11555 (ix86_tls_module_base): New.
11556 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11557 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11558 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11559 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11560 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11561 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11562 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11563 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11564 * config/i386/predicates.md (tls_modbase_operand): New.
11565 (tp_or_register_operand): New.
11567 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11569 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11570 (look_for_address_of): Ditto.
11571 (ipa_init): Walk the function decls.
11572 (static_execute): Don't set readonly on FUNCTION_DECL's.
11574 2006-01-18 Roger Sayle <roger@eyesopen.com>
11576 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11577 for shifts where the source and destination registers are different.
11579 2006-01-18 Paul Brook <paul@codesourcery.com>
11581 Merge from csl-arm-branch.
11582 2005-03-14 Julian Brown <julian@codesourcery.com>
11583 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11584 (aeabi_llsl): Likewise.
11585 (ashrdi3): Likewise.
11586 (aeabi_lasr): Likewise.
11587 (lshrdi3): Likewise.
11588 (aeabi_llsr): Likewise.
11589 2005-03-10 Julian Brown <julian@codesourcery.com>
11590 * config.gcc: Disable shared libgcc for SymbianOS.
11591 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11593 2006-01-18 DJ Delorie <dj@redhat.com>
11595 * c-pragma.c (handle_pragma_diagnostic): New.
11596 (init_pragma): Register it.
11597 * doc/extend.texi: Document it.
11599 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11600 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11601 (diagnostic_context): Add classify_diagnostic[].
11602 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11603 as errors if they're overridden to DK_WARNING.
11604 (diagnostic_initialize): Initialize classify_diagnostic[].
11605 (diagnostic_set_kind_override): New.
11606 (diagnostic_report_diagnostic): Check for kind changes.
11607 * opts.c (common_handle_option): Take lang_mask. Update callers.
11608 Handle OPT_Werror_.
11609 * common.opt (Werror=): New.
11610 * doc/invoke.texi: Document -Werror=*
11612 2006-01-18 Jeff Law <law@redhat.com>
11614 * tree-vrp.c (test_for_singularity): Correct test for new
11615 min limit. Use operand_equal_p rather than pointer equality
11616 for testing if new min/max values are equal.
11618 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11619 using range information until after propagation and folding.
11621 2006-01-18 Richard Henderson <rth@redhat.com>
11622 Aldy Hernandez <aldyh@redhat.com>
11623 Jakub Jelinek <jakub@redhat.com>
11624 Diego Novillo <dnovillo@redhat.com>
11626 * omp-low.c: New file.
11627 * c-omp.c: New file.
11629 2006-01-18 Richard Henderson <rth@redhat.com>
11630 Jakub Jelinek <jakub@redhat.com>
11631 Diego Novillo <dnovillo@redhat.com>
11633 * doc/invoke.texi: Document -fopenmp.
11634 * tree-dump.h (debug_function): Declare.
11635 * hooks.c (hook_bool_tree_bool_false): New function.
11636 (hook_tree_tree_null): Remove.
11637 (hook_tree_tree_tree_null): New.
11638 * hooks.h: Update to match.
11639 * tree-pretty-print.c (debug_tree_chain): New.
11640 (print_generic_expr): Handle TDF_CHAIN.
11641 (dump_generic_node): Handle BLOCK.
11642 Do not abort with incomplete SWITCH_EXPRs.
11643 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11644 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11645 print space after directive name.
11646 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11647 Handle OMP_MASTER and OMP_ORDERED.
11648 Handle printing of OMP_BODY just in one place, goto
11649 dump_omp_body in the rest of OMP_* nodes that have
11651 Don't handle clause nodes here. Update omp statements to
11652 use dump_omp_clauses.
11653 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11654 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11655 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11656 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11657 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11658 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11659 Adjust output for GOMP_PARALLEL.
11660 (dump_omp_clauses): New.
11661 (print_declaration): Dump DECL_VALUE_EXPR.
11662 (op_symbol_1): Split out of op_symbol.
11663 (dumping_stmts): Remove. Update all users.
11664 * cgraph.c (cgraph_analyze_queue): New.
11665 (cgraph_add_new_function): New.
11666 * cgraph.h (cgraph_analyze_queue): Declare.
11667 (cgraph_add_new_function): Declare.
11668 (cgraph_lower_function): Remove.
11669 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11670 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11671 and TYPE_P nodes in its default clause.
11672 (empty_body_p): New.
11673 (tree_range_check_failed): New.
11674 (build5_stat): New.
11675 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11676 OMP_CLAUSE_REDUCTION_MERGE,
11677 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11678 OMP_CLAUSE_PRIVATE_DEBUG,
11679 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11680 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11681 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11682 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11683 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11684 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11685 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11686 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11687 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11688 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11689 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11690 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11691 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11692 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11693 (TREE_RANGE_CHECK): New.
11694 (empty_body_p): Declare.
11695 (enum omp_clause_default_kind): New.
11696 (build_string_literal): Declare.
11697 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11698 (build5_stat, build5): Declare.
11699 * tree-pass.h (TDF_CHAIN): Define.
11700 * tree-pass.h (PROP_gimple_lomp): Define.
11701 (pass_lower_omp): Declare.
11702 * diagnostic.h (debug_tree_chain): Declare.
11703 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11705 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11706 * builtins.c (build_string_literal): Make extern.
11707 * gcc.c (include_spec_function): New.
11708 (static_spec_functions): Add it.
11709 (main): Move load of libgomp.spec ...
11710 (LINK_COMMAND_SPEC): ... here.
11711 (link_gomp_spec): New.
11712 (static_specs): Include it.
11713 (LINK_COMMAND_SPEC): Add link_gomp.
11714 (GOMP_SELF_SPECS): New.
11715 (driver_self_specs): Include it.
11716 (switch_matches): Don't mark inline.
11717 (main): Load libgomp.spec.
11718 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11719 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11720 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11721 * tree-gimple.h (enum omp_parallel): Declare.
11722 (determine_parallel_type): Declare.
11723 (omp_firstprivatize_variable): Declare.
11724 (omp_reduction_init): Declare.
11725 (diagnose_omp_structured_block_errors): Declare.
11726 (struct walk_stmt_info): Add want_return_expr.
11727 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11728 (find_omp_clause): Declare.
11729 (insert_field_into_struct): Declare.
11730 (struct walk_stmt_info): Move from tree-nested.c
11731 (walk_stmts): Declare.
11732 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11734 * cgraphunit.c (cgraph_lower_function): Make static.
11735 (cgraph_finalize_pending_functions): New.
11736 (cgraph_finalize_function): Call it.
11737 (cgraph_finalize_compilation_unit): Likewise.
11738 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11739 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11740 (BT_FN_UINT_UINT): New.
11741 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11742 DEF_FUNCTION_TYPE_VAR_4): Document.
11743 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11744 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11745 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11746 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11747 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11748 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11749 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11750 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11751 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11752 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11753 into separate files.
11754 (DEF_GOMP_BUILTIN): New.
11755 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11756 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11757 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11758 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11759 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11760 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11761 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11762 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11763 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11764 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11765 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11766 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11767 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11768 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11769 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11770 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11771 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11772 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11773 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11774 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11775 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11776 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11777 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11778 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11779 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11780 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11781 * sync-builtins.def: New file, moved from builtins.def.
11782 * omp-builtins.def: New file, moved from builtins.def.
11783 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11784 * gimple-low.c (lower_function_body): Clear data.
11785 (lower_stmt): Do not handle COMPOUND_EXPR.
11786 Remove call to print_node_brief.
11787 * c-tree.h (c_finish_omp_clauses): New prototype.
11788 (C_DECL_THREADPRIVATE_P): Define.
11789 (lookup_name_no_remap, c_omp_remap_private): Remove
11790 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11791 (check_for_loop_decls): Update decl.
11792 (lookup_name_no_remap, c_omp_remap_private): Declare.
11793 (build_indirect_ref, build_modify_expr, pushdecl,
11794 pushdecl_top_level): Move to c-common.h.
11795 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11796 before the switch, but just in the 2 places that need it.
11797 * c-decl.c (diagnose_mismatched_decls): Do not check for
11798 mismatched thread-local attributes when OLDDECL is marked
11799 threadprivate and NEWDECL has no thread-local attributes.
11800 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11801 (c_gimple_diagnostics_recursively): Rename from
11802 c_warn_unused_result_recursively. Invoke
11803 diagnose_omp_structured_block_errors.
11804 (check_for_loop_decls): Return a singular decl found.
11805 * langhooks.c (lhd_omp_predetermined_sharing): Return
11806 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11807 (lhd_omp_firstprivatize_type_sizes): New.
11808 (lhd_omp_assignment): New.
11809 (lhd_omp_predetermined_sharing): New.
11810 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11811 (struct lang_hooks_for_types): Add
11812 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11813 omp_predetermined_sharing, omp_disregard_value_expr,
11814 omp_private_debug_clause, omp_clause_default_ctor,
11815 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11816 (c_finish_omp_clauses): New.
11817 (c_finish_bc_stmt): Diagnose break within omp for.
11818 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11819 (build_unary_op): Return error_mark after reporting
11821 (build_modify_expr): Likewise.
11822 * gimplify.c: Include optabs.h and pointer-set.h.
11823 (enum gimplify_omp_var_data): Declare.
11824 (struct gimplify_omp_ctx): Declare.
11825 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11827 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11828 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11829 (splay_tree_compare_decl_uid): New.
11830 (new_omp_context): New.
11831 (delete_omp_context): New.
11832 (gimple_add_tmp_var): Call omp_add_variable.
11833 (gimplify_bind_expr): Likewise.
11834 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11835 true, disregard DECL_VALUE_EXPR on the decl if any.
11836 (gimplify_expr_in_ctx): New.
11837 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11838 omp_add_variable, omp_notice_variable, omp_is_private
11839 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11840 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11841 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11842 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11843 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11844 gimplify_omp_atomic): New.
11845 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11846 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11847 OMP_CRITICAL and OMP_ATOMIC.
11848 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11849 * c-pragma.h (enum pragma_kind): Add
11850 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11851 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11852 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11853 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11854 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11855 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11856 PRAGMA_OMP_THREADPRIVATE.
11857 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11858 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11859 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11860 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11861 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11862 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11863 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11864 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11865 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11866 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11867 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11868 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11869 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11871 (struct nesting_info): Add field_map,
11872 suppress_expansion, debug_var_chain.
11873 (create_nesting_tree): Initialize them.
11874 (lookup_field_for_decl): Use field_map.
11875 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11876 (convert_local_omp_clauses): New.
11877 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11878 (walk_body): Split out of walk_function.
11879 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11880 (convert_nonlocal_reference): Handle omp statements.
11881 (convert_local_reference): Likewise.
11882 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11883 (unnest_nesting_tree): New.
11884 (lower_nested_functions): Call it.
11885 (insert_field_into_struct): Make extern.
11886 (struct walk_stmt_info): Move to tree-gimple.h.
11887 (walk_stmts): Make extern.
11888 * omp-builtins.def: New file.
11889 * tree-iterator.c (expr_only): Clarify comment.
11890 * c-common.h (pushdecl_top_level, pushdecl,
11891 build_modify_expr, build_indirect_ref,
11892 c_finish_omp_master, c_finish_omp_critical,
11893 c_finish_omp_ordered, c_finish_omp_barrier,
11894 c_finish_omp_atomic, c_finish_omp_flush,
11895 c_finish_omp_for, c_split_parallel_clauses,
11896 omp_clause_default_kind, c_omp_sharing_predetermined,
11897 c_omp_remap_decl): Declare.
11898 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11899 (OBJS-common): Add omp-low.o.
11900 (c-omp.o, omp-low.o): Add.
11901 (gimplify.o): Add dependency on $(OPTABS_H).
11902 (GTFILES): Add omp-low.c.
11903 (gt-stringpool.h): Add.
11904 * tree-cfg.c (set_bb_for_stmt): Do not update the
11905 block-to-labels map if we are currently expanding to RTL.
11906 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11908 Handle IDENTIFIER_NODE.
11909 (tree_verify_flow_info): Do not ICE when emitting error
11910 messages about invalid labels.
11911 (dump_function_to_file): Reset CFUN before emitting the body
11913 (debug_function): New.
11914 * passes.c (init_optimization_passes): Schedule
11916 * langhooks-def.h (lhd_omp_predetermined_sharing,
11917 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11919 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11920 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11921 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11922 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11923 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11924 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11925 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11926 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11927 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11928 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11929 (LANG_HOOK_DECLS): Use them.
11931 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11932 Richard Henderson <rth@redhat.com>
11933 Jakub Jelinek <jakub@redhat.com>
11934 Diego Novillo <dnovillo@redhat.com>
11936 * c-parser.c (pragma_omp_clause): Define.
11937 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11938 (c_parser_compound_statement): Likewise.
11939 (c_parser_statement): Likewise.
11940 (c_parser_pragma): Handle omp pragmas.
11941 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11942 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11943 (c_parser_omp_clause_name, check_no_duplicate_clause,
11944 c_parser_omp_variable_list,
11945 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11946 c_parser_omp_clause_copyprivate,
11947 c_parser_omp_clause_default,
11948 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11949 c_parser_omp_clause_lastprivate,
11950 c_parser_omp_clause_nowait,
11951 c_parser_omp_clause_num_threads,
11952 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11953 c_parser_omp_clause_reduction,
11954 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11955 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11956 c_parser_omp_atomic, c_parser_omp_barrier,
11957 c_parser_omp_critical, c_parser_omp_flush,
11958 c_parser_omp_for_loop, c_parser_omp_for,
11959 c_parser_omp_master, c_parser_omp_ordered,
11960 c_parser_omp_sections_scope, c_parser_omp_sections,
11961 c_parser_omp_parallel, c_parser_omp_single,
11962 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11963 * c-pragma.c (init_pragma): Do omp pragma registration here.
11964 * c.opt (fopenmp): New flag.
11966 2006-01-18 Eric Christopher <echristo@apple.com>
11968 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11969 * config/darwin.h (GOMP_SELF_SPECS): Define.
11971 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11973 * rtl.h: Remove the prototype for reg_alloc.
11975 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11978 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11979 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11980 sjlj and dwarf2 exception handling.
11981 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11982 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11983 * pa/pa.c (function_value): Treat complex and vector types as
11985 (function_arg): Likewise. Only pass scalar floats in the floating
11986 point argument registers.
11987 * pa/t-slibgcc-dwarf-ver: New file.
11988 * pa/t-slibgcc-sjlj-ver: New file.
11989 * pa/t-slibgcc-elf-ver: Delete file.
11991 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11993 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11994 unlikely_test_section_p test.
11996 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11998 * mode-switching.c (optimize_mode_switching): Make it static.
11999 * basic-block.h: Remove the prototype for
12000 optimize_mode_switching.
12002 * modulo-sched.c (sms_schedule): Make it static.
12003 * rtl.h: Remove the prototype for sms_schedule.
12005 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12006 * rtl.h: Remove the prototype for gcse_after_reload_main.
12008 * reg-stack.c (reg_to_stack): Make it static.
12009 * rtl.h: Remove the prototype for reg_to_stack.
12011 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12013 * rtl.h: Remove the prototypes for regrename_optimize and
12014 copyprop_hardreg_forward.
12016 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12018 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12019 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12020 Test against the appropriate null constant for the mode.
12021 If 'fixup_overlap' is true, swap the operands if they overlap.
12022 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12023 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12024 alpha_split_tmode_pair and adjust for above change.
12025 * config/alpha/alpha.md (movtf_internal): Adjust call to
12026 alpha_split_tfmode_pair and rely on it to swap the operands.
12027 (movti_internal): New insn and post-reload splitter.
12028 (movti): New expander.
12030 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12032 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12035 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12037 * rtlanal.c (global_reg_mentioned_p_1,
12038 global_reg_mentioned_p): Remove.
12039 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12041 * flow.c (initialize_uninitialized_subregs): Make it static.
12042 * rtl.h: Remove the prototype for
12043 initialize_uninitialized_subregs.
12045 * function.c (instantiate_virtual_regs): Make it static.
12046 * function.h: Remove the prototype for
12047 instantiate_virtual_regs.
12049 * regmove.c (regmove_optimize, combine_stack_adjustments):
12051 * rtl.h: Remove the prototypes for regmove_optimize and
12052 combine_stack_adjustments.
12054 2006-01-17 Roger Sayle <roger@eyesopen.com>
12056 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12057 (size_cost): Encode costs in bytes so that a reg-reg addition is
12058 equivalent to COSTS_N_INSNS(1).
12059 (override_options): Use the size_cost.branch_cost as the default
12060 ix86_branch_cost when optimizing for size.
12062 2006-01-18 Ben Elliston <bje@au.ibm.com>
12064 * Makefile.in (D32PBIT_FUNCS): New.
12065 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12066 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12067 D64PBIT_FUNCS and D128PBIT_FUNCS.
12068 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12069 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12071 (decnumber_dep): Define.
12072 * doc/libgcc.texi (Decimal float library routines): New node.
12073 * config/dfp-bit.h, config/dfp-bit.c: New files.
12075 2006-01-18 Ben Elliston <bje@au.ibm.com>
12077 * expr.c (emit_move_change_mode): Always adjust addresses, not
12078 just during reload. Copy replacements only during reload.
12079 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12080 emit_move_via_integer.
12082 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12084 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12085 instead of $(srcdir) and ${srcdir}.
12087 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12090 PR middle-end/11135
12091 * arm.h (struct machine_function): Add pic_reg.
12092 * arm.c (arm_pic_register): Make unsigned.
12093 (arm_override_options): Only set arm_pic_register if
12094 TARGET_SINGLE_PIC_BASE.
12095 (use_return_insn): Only test for a pic register if it is fixed.
12096 (arm_compute_save_reg0_reg12_mask): Likewise.
12097 (thumb_compute_save_reg_mask): Likewise.
12098 (legitimate_pic_operand): Factor out some known invariants.
12099 (legitimize_pic_address): If we don't have a fixed pic register,
12100 then set up a pseudo in the function entry sequence. Handle the
12101 pic base being in a pseudo.
12102 (arm_load_pic_register): Handle the pic register being in a pseudo.
12103 (arm_expand_prologue): Only set up the pic register if it is fixed.
12104 (thumb_expand_prologue): Likewise.
12105 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12106 (pic_load_addr_based_insn): Likewise.
12107 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12110 2006-01-18 Ben Elliston <bje@au.ibm.com>
12112 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12113 decimal float modes for all floating point registers.
12115 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12116 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12118 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12121 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12122 even when the pointer is not NULL.
12124 2006-01-16 Ian Lance Taylor <ian@airs.com>
12126 * common.opt (ftoplevel-reorder): New option.
12127 * cgraph.c (cgraph_asm_nodes): New global variable.
12128 (cgraph_asm_last_node): New static variable.
12129 (cgraph_order): New global variable.
12130 (cgraph_create_node): Set new order field.
12131 (cgraph_varpool_node): Likewise.
12132 (decide_is_variable_needed): Return true if not
12133 flag_toplevel_reorder.
12134 (cgraph_add_asm_node): New function.
12135 * cgraph.h (struct cgraph_node): Add order field.
12136 (struct cgraph_varpool_node): Add order field.
12137 (struct cgraph_asm_node): Define.
12138 (cgraph_asm_nodes, cgraph_order): Declare.
12139 (cgraph_add_asm_node): Declare.
12140 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12142 (cgraph_varpool_assemble_pending_decls): Call it.
12143 (cgraph_output_pending_asms): New static function.
12144 (cgraph_finalize_compilation_unit): Call it.
12145 (struct cgraph_order_sort): Define.
12146 (cgraph_output_in_order): New static function.
12147 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12148 !flag_toplevel_reorder case.
12149 * c-parser.c: Include "cgraph.h".
12150 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12152 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12153 than -fno-unit-at-a-time.
12154 * doc/invoke.texi (Option Summary): Mention
12155 -fno-toplevel-reorder.
12156 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12157 -funit-at-a-time documentation.
12159 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12160 Kazu Hirata <kazu@codesourcery.com>
12162 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12164 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12166 * Makefile.in (FUNCTION_H): New. Use it instead of
12167 function.h throughout the file.
12168 * function.h: Include tree.h.
12170 2006-01-17 Ben Elliston <bje@au.ibm.com>
12172 * recog.c: Separate some functions with whitespace.
12174 2006-01-16 Richard Henderson <rth@redhat.com>
12176 Merge from gomp branch:
12177 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12178 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12179 and rename from struct inline_data. Rename callee* to dst*;
12180 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12181 transform_new_cfg, transform_return_to_modify, and
12182 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12184 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12185 (copy_decl_for_dup): Remove.
12186 * tree-inline.c (struct inline_data): Move to header.
12187 (insert_decl_map): Export.
12188 (remap_decl): Update for member name changes. Use copy_decl hook.
12189 Allow for replacement to be a non-decl. Remove dead code.
12190 (remap_type_1): Check for existing mapping.
12191 (remap_type): Export.
12192 (remap_decls): Update for member name changes.
12193 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12194 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12195 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12196 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12197 (tree_function_versioning, build_duplicate_type): Likewise.
12198 (copy_body_r): Likewise. Export.
12199 (copy_decl_for_dup): Split into ...
12200 (copy_decl_for_dup_finish, copy_decl_to_var,
12201 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12202 (replace_ref_tree, inlining_p): Remove.
12204 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12206 * ifcvt.c (if_convert): Make it static.
12207 * rtl.h: Remove the prototype for if_convert.
12209 * local-alloc.c (local_alloc): Make it static.
12210 * rtl.h: Remove the prototype for local_alloc.
12212 * loop.c (loop_optimize): Make it static.
12213 * cfgloop.h: Remove the prototype for loop_optimize.
12216 2006-01-16 DJ Delorie <dj@redhat.com>
12218 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12221 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12223 * pa.md: Disparage copies between general and floating-point registers
12224 in 32-bit move patterns.
12226 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12229 * Makefile.in (check-%): Depend on site.exp instead of
12230 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12233 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12235 * global.c (global_alloc): Make it static.
12236 * rtl.h: Remove the prototype for global_alloc.
12238 2006-01-16 Richard Guenther <rguenther@suse.de>
12240 * tree-ssa-alias.c (struct used_part): Add write_only field.
12241 (get_or_create_used_part_for): Initialize it to true.
12242 (create_overlap_variables_for): Don't create structure variables
12243 for structures that only are written to.
12244 (find_used_portions): Handle MODIFY_EXPR to track whether a
12245 structure is only written to.
12247 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12249 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12251 * basic-block.h: Remove the prototype for
12252 partition_hot_cold_basic_blocks.
12254 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12256 * cppspec.c (lang_specific_spec_functions): Remove.
12257 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12258 * gcc.h (lang_specific_spec_functions): Remove.
12259 * gccspec.c (lang_specific_spec_functions): Remove.
12261 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12263 * combine.c (record_value_for_reg): Invalidate registers
12265 (record_dead_and_set_regs_1): Likewise, by passing them to
12266 record_value_for_reg.
12267 (record_dead_and_set_regs): Invalidate stores made by a
12268 call. We do not combine across a call, but we still
12269 relied on equivalences.
12271 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12273 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12274 vrp_int_const_binop returning non-constant nodes.
12276 2006-01-16 Paul Brook <paul@codesourcery.com>
12278 * config/m68k/m68k.c (output_move_const_into_data_reg):
12279 Output correct mnemonic for mvz and mvs.
12281 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12283 * rtl-factoring.c: Add sequence abstraction algorithm.
12284 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12285 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12287 (block_has_preserve_label): New function.
12288 * common.opt: Register new pass.
12289 * Makefile.in: Ditto.
12291 * timevar.def: Ditto.
12292 * tree-pass.h: Ditto.
12293 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12294 * rtl.h (make_jump_insn_raw): Add forward decl.
12295 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12297 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12298 Roger Sayle <roger@eyesopen.com>
12300 * fold-const.c (fold_minmax): New static function.
12301 (fold_binary) <MIN_EXPR>: Call it.
12302 <MAX_EXPR>: Likewise.
12303 * stor-layout.c (place_field): Use DECL_SIZE consistently
12304 in the computation of the new record size.
12306 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12308 * cse.c (cse_condition_code_reg): Make it static.
12309 * rtl.h: Remove the prototype for cse_condition_code_reg.
12311 * combine.c (combine_instructions): Make it static.
12312 * rtl.h: Remove the prototype for combine_instructions.
12314 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12317 * tree.c (get_file_function_name_long): Concatenate the first global
12318 object name with a string derived from the input filename of the object
12321 2006-01-16 Ben Elliston <bje@au.ibm.com>
12323 * config/i386/winnt-stubs.c: Update FSF address.
12324 * config/xtensa/ieee754-df.S: Ditto.
12325 * config/xtensa/ieee754-sf.S: Ditto.
12327 2006-01-14 Ian Lance Taylor <ian@airs.com>
12329 * ifcvt.c (noce_init_if_info): New static function, broken out of
12330 noce_process_if_block.
12331 (noce_process_if_block): Call noce_init_if_info.
12332 (check_cond_move_block): New static function.
12333 (cond_move_process_if_block): New static function.
12334 (process_if_block): Call cond_move_process_if_block.
12336 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12338 * cselib.c (hash_table): Rename to cselib_hash_table.
12339 (cselib_clear_table, discard_useless_values,
12340 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12341 cselib_init, cselib_finish): Adjust uses of hash_table.
12343 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12345 PR tree-optimization/25485
12346 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12347 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12348 is known to be false and true, respectively.
12350 2006-01-14 Richard Guenther <rguenther@suse.de>
12352 PR tree-optimization/22548
12353 PR tree-optimization/22555
12354 PR tree-optimization/22501
12355 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12356 * params.def (salias-max-array-elements): New parameter.
12357 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12358 * doc/invoke.texi (salias-max-array-elements): Document.
12359 * tree-flow-inline.h (var_can_have_subvars): We also handle
12361 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12363 * tree-ssa-structalias.c (params.h): Include.
12364 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12365 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12366 (get_constraint_for): For ADDR_EXPR operating on something
12367 containing an ARRAY_REF, add all subvars to the solution.
12368 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12369 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12370 for creating MUST_DEFs.
12371 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12373 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12375 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12377 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12378 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12379 number_of_iterations_le): New functions.
12380 (number_of_iterations_special): Removed.
12381 (number_of_iterations_exit): Do not use number_of_iterations_special.
12382 * tree.c (unsigned_type_for): Always return integer type.
12384 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12385 Richard Guenther <rguenther@suse.de>
12387 PR rtl-optimization/24257
12388 * gcse.c (find_moveable_store): Only consider a store movable
12389 when the SET_SRC of the insn can be assigned to a register.
12391 2006-01-14 Ian Lance Taylor <ian@airs.com>
12393 * tree.c (tree_not_class_check_failed): New function.
12394 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12395 (tree_not_class_check_failed): Declare.
12397 2006-01-13 Ian Lance Taylor <ian@airs.com>
12399 * reload1.c (do_output_reload): Add assertion rejecting a
12402 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12404 * combine.c (struct reg_stat): Add new fields truncation_label and
12406 (record_value_for_reg): Reset truncated_to_mode.
12407 (record_truncated_value): New function.
12408 (check_promoted_subreg): Call it. Rename to check_conversions.
12409 (combine_instructions): Rename check_promoted_subreg to
12411 (reg_truncated_to_mode): New function.
12412 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12413 (gen_lowpart_or_truncate): New function.
12414 (force_to_mode): Use it instead of gen_lowpart.
12416 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12418 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12419 VAR is a tag, not its type tag.
12421 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12423 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12424 alternatives to match style of other entries.
12425 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12427 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12429 PR tree-optimization/25771
12430 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12433 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12436 * tree-inline.c (declare_return_variable): If the return variable
12437 was marked as a non gimple complex, set the return slot variable
12438 to be a non gimple comple variable.
12440 2006-01-13 Richard Guenther <rguenther@suse.de>
12442 * builtins.c (expand_builtin_sincos): New function.
12443 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12445 (expand_builtin): Expand sincos using expand_builtin_sincos.
12447 2006-01-12 DJ Delorie <dj@redhat.com>
12449 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12450 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12451 so that constant shifts can be split.
12452 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12453 (m32c_valid_pointer_mode): Make static.
12454 (shift_gen_func_for): New.
12455 (m32c_prepare_shift): Use it. Split large const shifts into
12457 * config/m32c/predicates.md (shiftcount_operand): Allow more
12459 (longshiftcount_operand): New.
12460 * doc/md.texi (Machine Constraints): Document In6.
12462 2006-01-13 Ben Elliston <bje@au.ibm.com>
12464 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12465 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12468 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12470 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12471 to try to avoid clobbering pieces of structures when we know
12472 something about the whole structure.
12473 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12475 2006-01-13 Ben Elliston <bje@au.ibm.com>
12477 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12478 return in memory, as this is no limitation is no longer present.
12480 2006-01-12 DJ Delorie <dj@redhat.com>
12482 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12483 mova with fb, and for fb+0 -> An.
12485 * config/m32c/mov.md (peephole2): Fix enabling logic.
12487 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12488 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12489 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12490 FINI_ARRAY_SECTION_ASM_OP): Define.
12492 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12494 (m32c_legitimize_reload_address): New logic to reload FB to An.
12495 (m32c_output_reg_push): Add newline.
12496 (m32c_output_reg_pop): Likewise.
12498 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12500 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12502 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12504 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12506 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12508 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12511 2006-01-11 Ben Elliston <bje@au.ibm.com>
12513 * rtlanal.c (find_reg_note): Assert insn is not null.
12515 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12517 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12520 2006-01-11 Jeff Law <law@redhat.com>
12522 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12524 (mark_threaded_blocks, register_jump_thread): New functions.
12525 (thread_through_all_blocks): Remove unwanted argument. No
12526 longer rely on e->aux to communicate thread target info.
12527 Call mark_threaded_blocks. Release the threaded_blocks
12528 bitmap and threaded_edges vector when complete.
12529 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12530 (threaded_blocks): Remove.
12531 (tree_ssa_dominator_optimize): Remove initialization and
12532 finalization of threaded_blocks. Simplify call to
12533 thread_through_all_blocks.
12534 (thread_across_edge): Call register_jump_thread rather than
12535 storing thread information into e->aux.
12536 (free_all_edge_infos): Simplify now that e->aux is no longer
12537 used to communicate with thread_through_all_blocks.
12538 * tree-flow.h (thread_through_all_blocks): Update prototype.
12539 (register_jump_thread): Prototype.
12541 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12543 * df-core.c (df_compact_blocks, df_bb_replace): Use
12544 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12546 2006-01-11 Richard Guenther <rguenther@suse.de>
12548 PR tree-optimization/25734
12549 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12550 stop propagation after successful propagation to the LHS.
12552 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12554 * basic-block.h (control_flow_graph): Change the type of
12555 x_basic_block_info to VEC(basic_block,gc) *.
12556 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12558 (SET_BASIC_BLOCK): New.
12559 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12560 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12561 * cfgbuild.c (find_basic_blocks): Likewise.
12562 * cfglayout.c (fixup_reorder_chain): Likewise.
12563 * cfgrtl.c (create_basic_block_structure,
12564 rtl_create_basic_block): Likewise.
12565 * ifcvt.c (find_if_case_1): Likewise.
12566 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12569 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12571 * Makefile.in: Removed rotted odf.c entry.
12573 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12576 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12577 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12578 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12579 output pattern modifier, not %e.
12580 * config/cris/cris.c (cris_op_str): Update comment about pattern
12582 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12583 before falling through into...
12584 <case 'E'>: Redefined from old 'e' case.
12586 2006-01-11 Jan Hubicka <jh@suse.cz>
12589 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12591 2006-01-11 Jan Hubicka <jh@suse.cz>
12593 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12594 * i386.c (x86_decompose_lea): Kill.
12595 (ix86_rtx_costs): Kill.
12597 2006-01-11 Jan Hubicka <jh@suse.cz>
12599 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12600 * cgraph.h (cgraph_node): Add inline_decl.
12601 (cgraph_insert_node_to_hashtable): Declare.
12602 (save_inline_function_body): Declare.
12603 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12605 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12606 (cgraph_function_versioning): Update call of tree_function_versioning.
12607 (save_inline_function_body): New function.
12608 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12609 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12610 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12611 (cgraph_default_inline_p): Likewise.
12612 (cgraph_decide_inlining_incrementally): Likewise.
12613 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12614 (copy_bb): Kill saving; do updating of clones.
12615 (copy_cfg_body): Kill saving.
12616 (initialize_inlined-parameters): Likewise.
12617 (expand_call_inline): Likewise.
12619 (tree_function_versioning): New parameter "update_clones".
12620 (inlining_p): Kill saving.
12621 * tree-inline.h (tree_function_versioning): Update prototype.
12622 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12625 2006-01-11 Ian Lance Taylor <ian@airs.com>
12627 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12628 Allow undoing set of machine mode.
12629 (do_SUBST): Use enums instead of is_int.
12630 (do_SUBST_MODE): New function.
12631 (SUBST_MODE): New macro.
12632 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12633 reg and trying to replace reg_regno_rtx with a new register.
12634 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12635 (simplify_set): Use SUBST_MODE.
12636 (distribute_notes): Remove code that tried to update reg notes
12637 for regno_reg_rtx changes.
12639 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12641 PR tree-optimization/23109
12642 PR tree-optimization/23948
12643 PR tree-optimization/24123
12645 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12646 * tree-cfg.c (single_noncomplex_succ): New.
12647 * tree-flow.h (single_noncomplex_succ): Declare it.
12648 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12649 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12650 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12651 insert_bb, register_division_in, insert_reciprocals,
12652 replace_reciprocal, free_bb): New.
12653 (execute_cse_reciprocals_1): Rewritten.
12654 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12655 Do not commit any edge insertion. Always compute dominators and
12656 create the allocation pool.
12657 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12658 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12659 * targhooks.c (default_min_divistions_for_recip_mul): New.
12660 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12661 * passes.c (init_optimization_passes): Run recip after tree loop
12663 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12665 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12666 Kenneth Zadeck <zadeck@naturalbridge.com>
12668 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12669 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12670 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12671 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12672 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12673 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12674 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12675 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12676 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12677 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12678 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12679 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12680 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12681 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12682 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12683 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12684 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12685 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12686 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12687 DF_SCAN_POST_ALLOC): New macros.
12688 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12689 df_free_bb_function, df_local_compute_function, df_init_function,
12690 df_dataflow_function, df_confluence_function_0,
12691 df_confluence_function_n, df_transfer_function,
12692 df_finalizer_function, df_free_function, df_dump_problem_function,
12693 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12694 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12695 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12696 df_urec_bb_info, ) New types.
12697 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12699 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12700 df_analyze_simple_change_some_blocks,
12701 df_analyze_simple_change_one_block, df_compact_blocks,
12702 df_bb_replace, df_bb_regno_last_use_find,
12703 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12704 df_insn_regno_def_p, df_find_def, df_find_use,
12705 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12706 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12707 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12708 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12709 debug_df_chain, df_get_dependent_problem, df_chain_create,
12710 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12711 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12712 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12713 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12714 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12715 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12716 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12717 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12718 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12719 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12720 df_reorganize_refs, df_set_state, df_hard_reg_init,
12721 df_read_modify_subreg_p) New public functions.
12722 * df-core.c: The core dataflow solver and glue routines for rtl
12724 (df_init, df_add_problem, df_set_blocks, df_finish,
12725 df_hybrid_search_forward, df_hybrid_search_backward,
12726 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12727 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12728 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12729 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12730 df_reg_defined, df_find_use, df_reg_used, df_dump,
12731 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12732 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12733 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12734 debug_df_useno, reset_df_after_reload): New functions.
12735 * df-scan.c: The scanning fuctions, once in df.c, completely
12736 rewritten so that they now fully model the functionality of
12737 register usage at the backend.
12738 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12739 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12740 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12741 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12742 df_get_artificial_defs, df_get_artificial_uses,
12743 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12744 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12745 df_refs_delete, df_reorganize_refs, df_set_state,
12746 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12747 df_def_record_1, df_defs_record, df_uses_record,
12748 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12749 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12750 df_record_exit_block_uses, df_hard_reg_init): New functions.
12752 * df-problems.c: Seven concrete dataflow problems that use the
12753 scanning in df-scan.c and are solved by the engine in df-core.c.
12754 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12755 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12756 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12757 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12758 df_ru_free_bb_info, df_ru_alloc,
12759 df_ru_bb_local_compute_process_def,
12760 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12761 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12762 df_ru_transfer_function, df_ru_free, df_ru_dump,
12763 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12764 df_rd_free_bb_info, df_rd_alloc,
12765 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12766 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12767 df_rd_transfer_function, df_rd_free, df_rd_dump,
12768 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12769 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12770 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12771 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12772 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12773 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12774 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12775 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12776 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12777 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12778 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12779 df_urec_mark_reg_use_for_earlyclobber,
12780 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12781 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12782 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12783 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12784 df_chain_create_bb_process_use, df_chain_create_bb,
12785 df_chain_finalize, df_chain_free, df_chains_dump,
12786 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12787 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12788 df_reg_lifetime): New functions.
12789 * df.c: Deleted file.
12790 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12791 consistent with new df api.
12792 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12793 rest_of_handle_sms): Ditto.
12794 * web.c (unionfind_union, union_defs, entry_register, web_main):
12796 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12797 invariant_expr_equal_p, find_defs, check_dependencies,
12798 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12799 free_inv_motion_data, move_loop_invariants): Ditto.
12800 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12801 Update dependencies.
12802 (odf.c): Added defective entry that was deleted later in day.
12803 * sched-deps.c (sched_analyze_1): Ditto.
12805 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12807 * tree-ssa-operands.c (get_expr_operands): Record addressable
12808 variables directly. Do not call add_stmt_operands for CONST_DECLs
12810 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12811 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12813 2006-01-11 Ben Elliston <bje@au.ibm.com>
12815 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12816 function returns true in the positive case.
12818 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12821 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12822 for SI, DI, SF and DF modes. Add alternatives to copy between
12823 general and floating point registers to the 32-bit patterns.
12824 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12825 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12826 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12827 generating 64-bit code.
12828 * config/pa/pa.c (output_move_double): Handle copies between general
12829 and floating registers.
12831 2006-01-10 Stuart Hastings <stuart@apple.com>
12833 * config/i386/i386.md (set_got): Update.
12834 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12835 (builtin_setjmp_receiver): Mach-O support.
12836 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12837 (GOT_SYMBOL_NAME): Define.
12838 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12839 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12840 * config/i386/i386.c (override_options): Revise for Darwin.
12841 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12842 support. (darwin_x86_file_end): New. (output_set_got): Add label
12843 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12844 * config/i386/i386-protos.h (output_set_got): Likewise.
12845 * config/darwin.c (machopic_legitimize_pic_address): Update
12848 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12850 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12851 when MODE isn't BLKmode.
12853 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12855 PR rtl-optimization/25367
12856 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12858 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12861 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12862 for a negative bound.
12864 2006-01-10 Richard Guenther <rguenther@suse.de>
12866 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12867 Never override with anything constraint.
12869 2006-01-10 Jan Beulich <jbeulich@novell.com>
12871 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12872 256 bits when optimize_size.
12874 2006-01-10 Jan Beulich <jbeulich@novell.com>
12876 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12878 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12879 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12882 2006-01-10 Ben Elliston <bje@au.ibm.com>
12884 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12886 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12887 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12888 (USE_FP_FOR_ARG): Reject decimal float modes.
12889 (function_arg_advance): Likewise.
12890 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12891 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12892 point types in AltiVec vectors.
12893 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12894 (rs6000_libcall_value): Likewise.
12896 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12898 * config/xtensa/ieee754-df.S: New file.
12899 * config/xtensa/ieee754-sf.S: New file.
12900 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12901 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12902 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12904 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12906 * config/sh/predicates.md (binary_float_operator,
12907 binary_logical_operator, commutative_float_operator,
12908 equality_comparison_operator, greater_comparison_operator,
12909 less_comparison_operator, logical_operator,
12910 noncommutative_float_operator, shift_operator,
12911 symbol_ref_operand, unary_float_operator): Remove redundant
12914 2006-01-09 Jeff Law <law@redhat.com>
12916 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12917 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12918 now unused arguments. Callers updated.
12919 (eliminate_redundant_computations): Remove now unused arguments,
12921 (local_fold): Remove, no longer used.
12922 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12924 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12925 (simplify_cond): New function.
12926 (forward_propagate_into_cond): Call simplify_cond.
12928 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12930 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12931 (*vec_extractv2di_1_sse): New.
12933 2006-01-09 Ben Elliston <bje@au.ibm.com>
12935 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12937 2006-01-08 Richard Guenther <rguenther@suse.de>
12939 * tree-ssa-structalias.c (get_constraint_for): Remove
12940 anyoffset argument.
12941 (get_constraint_for_component_ref): Likewise.
12942 (do_deref): Likewise.
12943 (get_constraint_for): Likewise.
12944 (do_structure_copy): Likewise.
12945 (handle_ptr_arith): Likewise.
12946 (find_func_aliases): Likewise. Remove unused need_anyoffset
12949 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12950 Kaz Kojima <kkojima@gcc.gnu.org>
12952 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12953 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12954 (EXTRA_CONSTRAINT_C16): Remove.
12955 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12956 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12957 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12958 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12959 constants of SHmedia. Handle nested constant expressions of
12961 (andcosts): Fix the costs for SHmedia constants.
12962 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12963 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12964 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12965 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12966 (movv4hi_i, movv2si_i): Likewise.
12967 (movsi_const): Adjust the second operand of ior so to match with
12968 the Csu constraint.
12969 (movdi_const, movdi_const_32bit): Likewise.
12970 (movdi_const_16bit+1): Don't sign-extend LOW.
12971 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12973 (*double_shori): Fix the split condition. Use GEN_INT instead
12974 of get_int_mode calls. Mask lower 16-bit of the argument of
12976 (sym2GOTPLT): Remove.
12977 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12979 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12980 instead of EXTRA_CONSTRAINT_C16.
12982 2006-01-07 Ian Lance Taylor <ian@airs.com>
12983 David Edelsohn <edelsohn@gnu.org>
12985 PR rtl-optimization/25662
12986 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12987 for constant operands instead of simplify_gen_binary.
12988 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12989 after trying simplify_binary_operation
12991 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12993 * tree.c (iterative_hash_expr): Hash decls based on UID.
12995 2006-01-06 Eric Christopher <echristo@apple.com>
12997 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12998 (TARGET_UNWIND_EMIT): Fix spelling.
12999 * target.h (gcc_target): Add except_table_label.
13000 * except.c (output_function_exception_table): Use.
13001 * varasm.c (default_emit_except_table_label): New.
13002 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13004 (asm_out): Add here.
13005 * output.h (default_emit_except_table_label): Prototype.
13006 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13007 * config/darwin.c (darwin_emit_except_table_label): Define.
13008 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13010 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13012 PR tree-optimization/18527
13013 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13014 number_of_iterations_special, number_of_iterations_exit):
13015 Move base and step of an iv to a single structure. Add
13016 no_overflow flag, and use it in # of iterations analysis.
13017 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13018 folded_casts argument.
13019 (simple_iv): Pass base and step in a structure. Set no_overflow
13021 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13022 Evaluate expensiveness of computing # of iterations instead of
13023 the final expression.
13024 * tree-scalar-evolution.h (affine_iv): New structure.
13025 (simple_iv): Declaration changed.
13026 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13027 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13028 find_givs_in_stmt): Changed due to simple_iv change.
13030 2006-01-06 Jeff Law <law@redhat.com>
13033 * tree-cfg.c (bsi_replace): Rename final argument from
13034 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13035 change (stmt -> orig_stmt).
13036 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13037 (bsi_remove): Add new argument. Remove EH information
13039 (verify_eh_throw_table_statements): New function.
13040 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13042 * tree-optimize.c (execute_free_cfg_annotations): Verify
13043 the EH throw statement table after removing annotations.
13044 * except.h (verify_eh_throw_table_statements): Prototype.
13045 * tree-flow.h (bsi_remove): Update prototype.
13046 * tree-vrp.c (remove_range_assertions): Add new argument to
13048 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13049 * tree-complex.c (expand_complex_div_wide): Likewise.
13050 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13051 * tree-tailcall.c (eliminate_tailcall): Likewise.
13052 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13053 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13054 * tree-nrv.c (tree_nrv): Likewise.
13055 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13056 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13057 (combine_blocks): Likewise.
13058 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13059 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13060 (cleanup_control_flow): Likewise.
13061 (remove_forwarder_block): Likewise.
13062 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13063 * tree-sra.c (sra_replace): Likewise.
13064 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13065 (forward_propagate_single_use_vars): Likewise.
13066 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13067 * tree-inline.c (expand_call_inline): Likewise.
13068 * tree-vect-transform.c (vect_transform_loop): Likewise.
13069 * tree-outof-ssa.c (rewrite_trees): Likewise.
13070 * tree-cfg.c (make_goto_expr_edges): Likewise.
13071 (cleanup_dead_labels): Likewise.
13072 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13073 (bsi_move_before, bsi_move_after): Likewise.
13074 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13075 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13077 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13080 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13082 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13083 on non gimple variables. Also add checks at the top for decls and
13085 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13087 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13088 and IMAGPART_EXPR for creating MUST_DEFs.
13089 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13090 and NAME_MEMORY_TAG separately from the DECLs.
13092 2006-01-06 Richard Guenther <rguenther@suse.de>
13094 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13095 annotation, if necessary.
13096 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13097 redundant calls to update_stmt.
13098 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13101 2006-01-05 Richard Henderson <rth@redhat.com>
13103 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13105 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13107 * c-typeck.c: Update copyright date.
13109 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13111 * c-typeck.c (build_c_cast): Always warn when casting
13112 from a pointer to an integer of different size, even if
13113 the node was constant.
13115 2006-01-05 Richard Guenther <rguenther@suse.de>
13117 PR tree-optimization/22555
13118 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13119 if one structure field is an array.
13120 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13121 operands even if we found a subvar, but ignore VOPs in this
13123 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13125 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13127 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13129 PR middle-end/24998
13130 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13132 2006-01-05 Richard Guenther <rguenther@suse.de>
13133 Diego Novillo <dnovillo@redhat.com>
13135 * tree-pass.h (TODO_remove_unused_locals): Define.
13136 * gimple-low.c (expand_var_p, remove_useless_vars,
13137 pass_remove_useless_vars): Remove. Update all users.
13138 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13139 (remove_unused_locals): New function.
13140 * tree-flow.h (remove_unused_locals): Declare.
13141 * passes.c (execute_todo): Call remove_unused_locals if
13142 TODO_remove_unused_locals is set.
13143 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13144 * tree-ssa-dce.c (pass_dce): Likewise.
13145 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13147 2006-01-05 Richard Guenther <rguenther@suse.de>
13149 * tree-flow.h (struct fieldoff): Decompose field to
13150 type, size and decl.
13151 * tree-ssa-alias.c (create_sft): Take type as parameter.
13152 (create_overlap_variables_for): Store type, size and decl
13153 in the fieldoff structure.
13154 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13155 of struct fieldoff.
13156 (push_fields_onto_fieldstack): Likewise.
13157 (create_variable_info_for): Likewise. Use offset for the
13158 SFT name if the decl is not available.
13160 2006-01-04 Paul Brook <paul@codesourcery.com>
13162 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13164 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13166 * lambda-code.c (can_put_in_inner_loop): Relax
13168 (can_put_after_inner_loop): New function.
13169 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13170 (perfect_nestify): Change to make copies and modify uses.
13172 2006-01-04 Richard Henderson <rth@redhat.com>
13174 Merge from gomp branch:
13175 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13176 via integer constant.
13177 (pragma_lex): Remove.
13178 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13179 rather than parsing it.
13180 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13181 handle_pragma_extern_prefix): Add %< %> quotes.
13182 (registered_pragmas): New.
13183 (c_register_pragma_1): New.
13184 (c_register_pragma): Use it.
13185 (c_register_pragma_with_expansion): Likewise.
13186 (c_invoke_pragma_handler): New.
13187 (init_pragma): Use cpp_register_deferred_pragma directly for
13189 * c-pragma.h (enum pragma_kind): New.
13190 (pragma_handler): New.
13191 (c_invoke_pragma_handler): Declare.
13192 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13194 * c-common.h (c_common_pch_pragma): Update decl.
13195 * Makefile.in (c-parser.o): Update dependencies.
13196 (GTFILES): Add c-pragma.h.
13197 * c-parser.c (struct c_token): Add pragma_kind.
13198 (struct c_parser): Add in_pragma.
13199 (c_lex_one_token): Always initialize keyword and pragma_kind.
13200 Extract data for CPP_PRAGMA.
13201 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13202 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13203 Don't allow CPP_PRAGMA_EOL if in_pragma.
13204 (c_parser_consume_pragma): New.
13205 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13206 (c_parser_skip_to_end_of_parameter): Likewise.
13207 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13208 (c_parser_skip_to_pragma_eol): New.
13209 (c_parser_external_declaration): Handle CPP_PRAGMA.
13210 (c_parser_compound_statement_nostart): Likewise.
13211 (c_parser_statement_after_labels): Likewise.
13212 (c_parser_pragma): New.
13213 (pragma_lex): Likewise.
13214 (c_parser_pragma_pch_preprocess): New.
13215 (c_parser_new): Merge into ...
13216 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13218 2006-01-04 Jeff Law <law@redhat.com>
13221 * tree-cfg.c (bsi_replace): Remove the original statement
13222 from the EH throw statement table.
13224 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13226 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13227 make the prototype extern "C" and add throw ().
13230 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13231 and pos non-negative and pos + len <= 32.
13232 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13233 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13234 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13237 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13238 as well as sizes not multiple of component size.
13241 * function.c (instantiate_expr): New function.
13242 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13243 walk its DECL_VALUE_EXPR with instantiate_expr.
13245 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13246 DW_OP_deref{,_size} if address isn't going to be added.
13248 2006-01-04 Ben Elliston <bje@au.ibm.com>
13250 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13251 * config/fp-bit.c: Likewise.
13253 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13255 * dominance.c: Add comment about why we use DFS numbering
13258 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13259 Richard Henderson <rth@redhat.com>
13261 Merge from gomp-branch:
13262 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13263 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13265 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13267 PR rtl-optimization/25578
13268 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13269 pass a parameter to simplify_shift_const if changing ASHIFTRT
13272 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13274 * builtins.c (get_builtin_sync_mem): New function.
13275 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13276 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13277 Call get_builtin_sync_mem to generate mem rtx.
13279 2006-01-03 Richard Guenther <rguenther@suse.de>
13282 * stmt.c (add_case_node): Make sure to clear overflow flags
13285 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13287 Merge from gomp-branch.
13288 * config/sparc/sync.md: New file.
13289 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13290 UNSPECV_LDSTUB): New constants.
13291 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13292 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13293 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13296 2006-01-03 Roger Sayle <roger@eyesopen.com>
13298 * combine.c (reg_subword_p): New predicate to test whether the
13299 destination of a set refers to a subword/piece of a register.
13300 (try_combine): Generalize the code to merge the setting of a
13301 pseudo to a constant followed by a set of a subword of that
13302 register to a constant.
13304 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13306 * basic-block.h (control_flow_graph): Change the type of
13307 x_label_to_block_map to VEC(basic_block,gc) *.
13308 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13309 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13311 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13312 VEC(basic_block,heap) *.
13313 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13314 ssa_prop_fini): Adjust the uses of cfg_blocks.
13316 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13318 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13320 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13321 hashing trees instead of a pointer hash.
13322 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13323 compare for MEM_EXPR.
13325 PR rtl-optimization/25130
13326 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13327 when comparing MEMs for GCSE
13329 2006-01-03 Ben Elliston <bje@au.ibm.com>
13331 * targhooks.h (default_decimal_float_supported_p): Declare.
13332 * targhooks.c (default_decimal_float_supported_p): Define.
13333 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13334 `default_decimal_float_supported_p'.
13335 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13337 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13339 * combine.c (apply_distributive_law <SUBREG>): Check
13340 TRULY_NOOP_TRUNCATION.
13342 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13344 * dwarf2out.c (have_switched_text_section): Delete.
13345 (have_multiple_function_sections): New.
13346 (have_location_lists): Make 'bool'.
13347 (add_AT_loc_list): Use 'true' not '1'.
13348 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13349 (output_loc_list): Use have_multiple_function_sections.
13350 (output_ranges): Likewise.
13351 (dwarf2out_begin_function): Set have_multiple_function_sections if
13353 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13354 Check function_section rather than DECL_SECTION_NAME.
13355 (dwarf2out_finish): Use have_multiple_function_sections.
13356 Don't clear have_location_lists.
13358 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13359 Jan Hubicka <jh@suse.cz>
13361 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13362 case of conditional jump jumping to the next instruction.
13363 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13364 cases of conditional jump jumping to the next instruction.
13366 2006-01-02 Jan Hubicka <jh@suse.cz>
13368 * i386.c (*_cost): Add COSTS_N_INSNS.
13369 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13371 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13374 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13376 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13378 * config/arm/arm.c (all_fpus): Fix comment typo.
13379 * config/darwin.c: Likewise.
13380 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13381 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13382 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13384 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13386 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13387 (rs6000_split_compare_and_swapqhi): New.
13388 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13389 (sync_compare_and_swapqhi_internal): New.
13390 * config/rs6000/rs6000-protos.h: Declare.