1 2006-07-18 David Daney <ddaney@avtrex.com>
3 * gcc.c (display_help): Fix typo in help text.
5 2006-07-18 Olivier Hainque <hainque@adacore.com>
7 * tree.h (categorize_ctor_elements): Adjust prototype and add
8 descriptive comment, both in accordance with the interface change
10 * varasm.c (constructor_static_from_elts_p): New function.
11 Whether a constructor node is a valid static constant initializer
12 if all its elements are.
13 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
14 * output.h: Declare it.
15 * expr.c (categorize_ctor_elements_1): Return whether the constructor
16 is a valid constant initializer instead of computing the number of
17 non-constant elements. Use constructor_static_from_elts_p for this
18 purpose. Replace the head comment with an indication that this is a
19 helper for categorize_ctor_elements.
20 (categorize_ctor_elements): Same interface change as for the _1
21 helper. Former head comment from this helper moved here, adjusted to
22 account for the interface changes.
23 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
24 (all_zeros_p): Likewise.
25 * gimplify.c (gimplify_init_constructor): Decide whether we can make
26 static versions of the constructor from the categorize_ctor_elements
27 return value instead of the formerly computed number of non-constant
30 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
32 * configure: Regenerate.
33 * Makefile.in (build_libsubdir): New configure substitution
34 (build_libobjdir): New variable.
35 (BUILD_LIBIBERTY): Use it.
37 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
40 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
42 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
45 * c-common.c (handle_weakref_attribute): Ignore attribute in
46 the same conditions the alias attribute is ignored.
48 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
50 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
51 (dbxout_begin_prologue): Increment scope_labelno.
53 2006-07-17 Richard Henderson <rth@redhat.com>
56 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
59 2006-07-17 Roger Sayle <roger@eyesopen.com>
60 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
62 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
63 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
64 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
65 functions such as sbrk, write, etc.. Add function prototypes.
66 Convert function declarations from K&R to ISO C. Cast pointers
67 to "long" and "unsigned long" instead of "int" and "unsigned int".
68 Convert tokens following #endif into comments.
70 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
72 * invoke.texi: Remove mention of f77; Reformat table for
73 inline parameter options correctly; mention that -malign-double
74 is default on x86-64 targets.
76 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
78 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
79 (convert_affine_scev, chrec_convert_aggressive): Use
80 avoid_arithmetics_in_type_p. Do not check for the subtypes
83 2006-07-17 Richard Sandiford <richard@codesourcery.com>
86 * optabs.c (expand_doubleword_shift): Wrap the call to
87 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
89 2006-07-17 Richard Sandiford <richard@codesourcery.com>
92 * optabs.c (expand_binop): Pass next_methods rather than methods
93 to expand_doubleword_shift.
95 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
98 * tree.h (dump_addr): Declare.
99 * print-tree.c (dump_addr): New function.
100 (print_node_brief, print_node): Use it.
101 * print-rtl.c (print_rtx): Likewise.
102 * common.opt (-fdump-noaddr): New option.
103 * doc/invoke.texi (-fdump-noaddr): Document.
104 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
105 (ve_info_hash): Likewise.
107 2006-07-13 Andrew Haley <aph@redhat.com>
109 PR tree-optimization/19505
110 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
111 edge leaving this block, make sure that the destination of this
112 block has only one predecessor.
114 2006-07-17 Richard Guenther <rguenther@suse.de>
116 PR tree-optimization/28238
117 * tree-inline.c (copy_bb): Check if we produced valid
118 gimple copying and substituting a stmt. If not, gimplify
121 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
123 * optabs.c (maybe_encapsulate_block): New function extracted from...
124 (emit_libcall_block): ...here. Invoke it on the block of insns to
125 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
126 (emit_no_conflict_block): Likewise.
128 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
130 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
132 2006-07-15 Roger Sayle <roger@eyesopen.com>
134 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
135 a new NOP_EXPR case of the switch statement.
137 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
140 * stor-layout.c (place_field): Take the bit field with
141 an excessive size into account in the ms-bitfiled case.
144 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
145 the previous bit field.
147 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
150 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
152 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
154 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
155 signal frames correctly even when the signal was installed with
158 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
160 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
161 (dbxout_function_end): Use local label LFBB. Remove hook
163 (dbxout_source_line): Use local label LFBB.
164 (dbxout_block): Likewise.
165 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
166 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
167 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
170 2006-07-13 Janis Johnson <janis187@us.ibm.com>
172 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
174 2006-07-13 Jan Hubicka <jh@suse.cz>
176 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
178 * output.h (align_variable): Declare.
179 * varasm.c (align_variable): Export.
180 * value-prof.c (tree_value_profile_transformations): Recompute iterator
181 when basic block changed.
183 2006-07-13 Nick Clifton <nickc@redhat.com>
185 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
186 walking the LOG_LINKS chain.
188 2006-07-12 Geoffrey Keating <geoffk@apple.com>
190 * doc/invoke.texi (C++ Dialect Options): Explain difference
191 between -fvisibility-inlines-hidden and setting hidden
192 visibility explicitly.
194 2006-07-12 Eric Christopher <echristo@apple.com>
196 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
197 (stmp-lipo): Depend on libgcc.a.
199 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
201 * tree.c: Fix a comment typo.
203 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
205 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
207 (umulhisi3_r): Likewise.
209 2006-07-12 Paolo Carlini <pcarlini@suse.de>
212 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
213 x < 19, vs wchar_t support.
215 2006-07-12 Nick Clifton <nickc@redhat.com>
217 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
220 2006-07-12 Mike Stump <mrs@apple.com>
222 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
224 2006-07-10 Eric Christopher <echristo@apple.com>
226 * config/t-slibgcc-darwin: Rewrite.
228 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
231 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
234 2006-07-08 Matthias Klose <doko@debian.org>
236 * doc/sourcebuild.texi: Fix typo.
238 2006-07-07 Mike Stump <mrs@apple.com>
240 * toplev.c (process_options): Don't give -ffunction-sections may
241 affect debugging warning for Mach-O.
243 2006-07-07 James E Wilson <wilson@specifix.com>
245 * config/mips/mips.md (cpu): Add sb1a.
246 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
247 addition to sb1. Adjust comments to clarify SB-1A differences from
249 (ir_sb1a_load): New. Modify bypasses to use it.
250 (ir_sb1a_simple_alu): Likewise.
251 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
252 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
253 (mips_issue_rate): Add PROCESSOR_SB1A.
254 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
255 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
256 (TARGET_SB1): Add PROCESSOR_SB1A check.
257 (TUNE_SB1): Likewise.
259 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
260 * config/mips/mips.c (mips_store_data_bypass_p): New.
261 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
264 2006-07-08 Paul Brook <paul@codesourcery.com>
267 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
269 2006-07-07 Richard Guenther <rguenther@suse.de>
272 * tree.h (build_one_cst): Declare.
273 * tree.c (build_one_cst): New function.
274 * tree-ssa-math-opts.c (get_constant_one): Remove.
275 (insert_reciprocals): Use build_one_cst.
276 * fold-const.c (fold_plusminus_mult): Likewise.
278 2006-07-07 Roger Sayle <roger@eyesopen.com>
280 * pointer-set.c (pointer_set_destroy): Correct whitespace.
281 * cfgloopanal.c (dump_graph): Likewise.
282 * dojump.c (discard_pending_stack_adjust): Likewise.
283 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
285 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
286 * function.c (finalize_block_changes): Likewise.
287 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
288 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
289 * rtl.c (dump_rtx_statistics): Likewise.
290 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
292 * varray.c (dump_varray_statistics): Likewise.
293 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
294 decode_decimal64, encode_decimal128, decode_decimal128,
295 decimal_real_to_decimal): Likewise.
297 2006-07-07 Richard Guenther <rguenther@suse.de>
299 PR tree-optimization/28187
300 * tree-vrp.c (vrp_operand_equal_p): New function.
301 (vrp_bitmap_equal_p): Likewise.
302 (update_value_range): Use them to compare old and new
305 2006-07-06 Roger Sayle <roger@eyesopen.com>
307 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
308 a default case to switch statement to silence compiler warnings.
310 2006-07-06 Roger Sayle <roger@eyesopen.com>
313 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
314 the configured assembler supports the x87's ffreep mnemonic.
315 * configure: Regenerate.
316 * config.in: Regenerate.
318 * config/i386/i386.c (output_387_ffreep): New function.
319 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
320 (output_387_reg_move): Likewise.
322 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
324 Port to hosts whose 'sort' and 'tail' implementations
325 treat operands with leading '+' as file names, as POSIX
326 has required since 2001. However, make sure the code still
327 works on pre-POSIX hosts.
328 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
329 which says you should use "tail -c +N" rather than "tail +Nc".
330 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
332 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
334 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
337 2006-07-06 David Edelsohn <edelsohn@gnu.org>
340 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
341 PRE_{INC,DEC} of TFmode.
343 2006-07-06 David Edelsohn <edelsohn@gnu.org>
344 Alan Modra <amodra@bigpond.net.au>
347 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
350 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
353 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
354 Remove duplicate gtu.
356 2006-07-05 Jason Merrill <jason@redhat.com>
360 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
361 * c-common.c (handle_packed_attribute): So don't copy it here.
362 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
364 2006-07-05 Mike Stump <mrs@apple.com>
366 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
368 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
371 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
373 2006-07-05 Richard Guenther <rguenther@suse.de>
376 * config/i386/i386.md (*negdf2_1): Restrict pattern to
377 TARGET_SSE2 targets if using SSE math.
378 (*absdf2_1): Likewise.
380 2006-07-05 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/28162
383 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
384 make sure to convert the operands to the correct type.
386 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
388 PR tree-optimization/28218
390 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
391 to calculate and free the dominator information.
393 2006-07-04 Peter O'Gorman <peter@pogma.com>
395 * mklibgcc.in: chmod 644 before ranlib during install.
397 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
398 J"orn Rennecke <joern.rennecke@st.com>
400 * configure.ac (.eh_frame data check): Use diff -b.
402 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
405 * Makefile.in (BUILD_RTL): Add build/vec.o.
406 (build/gencondmd.o): Filter out -fkeep-inline-functions.
407 (build/genextract): Delete.
408 (build/genautomata): Likewise.
410 2006-07-04 Alan Modra <amodra@bigpond.net.au>
413 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
414 128-bit IBM long doubles for ABI_V4.
416 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
418 * tree.c (range_in_array_bounds_p): New predicate.
419 * tree.h (range_in_array_bounds_p): Declare it.
420 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
421 return a less conservative answer.
422 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
424 (IS_ELEMENT_FOR_GROUP): New macro.
425 (FOR_EACH_ACTUAL_CHILD): Likewise.
426 (next_child_for_group): New helper function.
427 (can_completely_scalarize_p): Take into account groups.
428 (sra_hash_tree): Handle RANGE_EXPR.
429 (sra_elt_eq): Likewise.
430 (lookup_element): Be prepared for handling groups.
431 (is_valid_const_index): Delete.
432 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
433 instead of is_valid_const_index.
434 <ARRAY_RANGE_REF>: New case.
435 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
436 is_valid_const_index.
437 <ARRAY_RANGE_REF>: Do not unconditionally punt.
438 (scan_dump): Dump info for groups too.
439 (decide_instantiation_1): Likewise.
440 (decide_block_copy): Assert that the element is not a group.
441 Propagate decision to groups.
442 (generate_one_element_ref): Handle RANGE_EXPR.
443 (mark_no_warning): Iterate over actual childs.
444 (generate_copy_inout): Likewise.
445 (generate_element_copy): Likewise.
446 (generate_element_zero): Likewise.
447 (generate_element_init_1): Likewise.
448 (dump_sra_elt_name): Handle RANGE_EXPR.
450 2006-07-03 Roger Sayle <roger@eyesopen.com>
452 PR tree-optimization/26251
453 * tree-ssa-threadupdate.c (redirection_block_p): New function.
454 (thread_block): When optimizing for size refuse to thread jumps
455 that would require duplication of blocks other than redirection
458 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
460 * configure.ac: Fix thinko in previous check-in.
461 * configure: Regenerate.
463 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
466 * configure.ac (for lang...): Simplify nesting of conditionals.
467 Test subdir_requires for non-enabled languages. Move processing
468 of lang_opt_files and lang_tree_fiels below that test.
469 * configure: Regenerate.
470 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
472 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
474 * doc/gcov.texi (Invoking Gcov): Add a missing word.
476 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
478 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
481 2006-06-29 Jason Merrill <jason@redhat.com>
488 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
489 * c-common.c (c_determine_visibility): Handle it here.
490 * c-decl.c (finish_decl): Call c_determine_visibility for
492 * flags.h (enum symbol_visibility): Sort from most to least visibility.
494 * varasm.c (default_assemble_visibility): Likewise.
495 * c-common.c (handle_visibility_attribute): Complain about trying
496 to give visibility to an already defined class, or trying to change
497 declared visibility. Always attach the attribute.
502 * attribs.c (decl_attributes): Ignore type-in-place attributes
503 once the type has been defined.
505 2006-06-29 Roger Sayle <roger@eyesopen.com>
508 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
509 to indicate the cpplib has issued an error message for us.
511 2006-06-29 Asher Langton <langton2@llnl.gov>
514 * config/i386/i386.c (ix86_output_function_epilogue): Don't
515 insert a label at the end of an function under Mach-O.
517 2006-06-29 Eric Christopher <echristo@apple.com>
518 Evan Cheng <evan.cheng@apple.com>
520 * predicates.md (vector_all_ones_operand): New.
521 (nonimmediate_or_sse_const_operand): Ditto.
522 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
523 * config/i386/i386.c (standard_sse_constant_opcode): Define.
524 (standard_sse_mode_p): Ditto.
525 (standard_sse_constant_p): Add case for -1 vector.
526 (ix86_expand_vector_move): Try to use.
527 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
528 Call standard_sse_constant_opcode.
529 (*movv4sf_internal): Ditto.
530 (*movv2df_internal): Ditto.
532 2006-06-29 Roger Sayle <roger@eyesopen.com>
534 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
535 of XEXP to extract the operands of a MATCH_CODE rtx.
537 2006-06-28 Andrew Pinski <pinskia@gmail.com>
539 * tree.c (tree_size): Do not waste tail padding in
540 struct tree_string and make the size be the same as
541 build_string will generate.
543 2006-06-28 Jason Merrill <jason@redhat.com>
546 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
547 may_aliases already in the tag's annotations to the bitmap.
549 2006-06-28 Roger Sayle <roger@eyesopen.com>
551 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
553 2006-06-28 Roger Sayle <roger@eyesopen.com>
555 * genpreds.c (generate_switch_p): New function.
556 (add_mode_tests): Push the new mode test down inside an AND expr
557 if this allows the switch-suitable MATCH_CODE to be near the root.
558 (write_match_code_switch): New function to write a MATCH_CODE as
560 (write_predicate_stmts): New function to write a predicate RTX
561 expression as a sequence of statements.
562 (write_one_predicate_function): Use write_predicate_stmts.
563 (write_tm_constrs_h): Likewise.
565 2006-06-26 Fred Fish <fnf@specifix.com>
567 * config/mips/t-sb1: New file.
568 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
571 2006-06-26 DJ Delorie <dj@redhat.com>
573 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
575 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
576 Jayant Sonar <jayants@kpitcummins.com>
577 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
579 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
580 (subsi3, subsi3_1, subsi3_2): New.
581 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
582 * config/m32c/mov.md (SI mov peephole): New.
583 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
584 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
586 2006-06-26 Olivier Hainque <hainque@adacore.com>
588 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
589 a CALL_EXPR target function declaration.
591 2006-06-26 Richard Guenther <rguenther@suse.de>
593 * tree.c (build_string): Do not waste tail padding in
596 2006-06-26 Richard Guenther <rguenther@suse.de>
598 * ggc-page.c (init_ggc): Add missing element to size_lookup
602 2006-06-23 Richard Guenther <rguenther@suse.de>
604 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
605 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
606 alignment requests instead. Add verification code.
607 Add struct tree_function_decl and struct tree_binfo size to
608 extra_order_size_table. Add missing element to size_lookup
611 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
614 * fold-const.c (const_binop): Be prepared for self returning zero.
615 Simplify code handling complex values.
617 2006-06-24 Olivier Hainque <hainque@adacore.com>
619 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
620 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
623 2006-06-24 Olivier Hainque <hainque@adacore.com>
625 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
626 ARRAY_REF, so have the callback called for the low bound expression.
628 2006-06-23 Janis Johnson <janis187@us.ibm.com>
630 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
631 * c-typeck.c (c_common_type): Disallow operations on decimal float
632 types and other float types.
633 * convert.c (convert_to_real): Don't ignore conversions involving
636 2006-06-23 Olivier Hainque <hainque@adacore.com>
638 * tree.c (max_int_size_in_bytes): New function, inspired from
639 code in function.c:assign_temp.
640 * tree.h (max_int_size_in_bytes): Declare.
641 * function.c (assign_temp): Use it.
642 * gimplify.c (create_tmp_var): Relax the assertions on the type
643 properties, not mandating constant size any more.
644 (force_constant_size): New static function.
645 (gimple_add_tmp_var): Use it, forcing variable size to a
646 constant upper bound if it is not constant on entry.
648 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
651 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
652 for initialization and setting of one_only flag to ...
653 (i386_pe_encode_section_info): ...here.
654 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
655 Recheck that the symbol has not been defined.
657 2006-06-23 Richard Guenther <rguenther@suse.de>
659 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
660 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
661 alignment requests instead. Add verification code.
662 Add struct tree_function_decl and struct tree_binfo size to
663 extra_order_size_table. Add missing element to size_lookup
666 2006-06-22 Roger Sayle <roger@eyesopen.com>
667 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
670 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
671 call to lang_hooks.types.type_for_mode returned NULL_TREE.
673 2006-06-23 Ben Elliston <bje@au.ibm.com>
675 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
676 negate dn -- manipulate it directly.
678 2006-06-22 Roger Sayle <roger@eyesopen.com>
679 Steven Bosscher <stevenb.gcc@gmail.com>
682 * reload1.c (gen_reload): Call mark_jump_label on the new insns
683 generated by gen_move_insn to add REG_LABEL notes if necessary.
685 2006-06-22 Bob Wilson <bob.wilson@acm.org>
687 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
688 (leaf_entry): Remove use of MIN_ESA.
690 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
692 PR rtl-optimization/28121
693 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
696 2006-06-21 DJ Delorie <dj@redhat.com>
698 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
700 (mulhisi3_r): Likewise.
702 2006-06-21 Richard Sandiford <richard@codesourcery.com>
705 * coverage.c (coverage_counter_alloc): Leave the index type
707 (coverage_counter_alloc): Use null arguments for operands 2 and 3
710 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
712 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
713 section from the "Options for Code Generation Conventions".
715 2006-06-21 Richard Henderson <rth@redhat.com>
719 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
721 (global_symbolic_operand): Allow weak symbols, even if local_p.
723 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
725 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
726 (find_interesting_uses_address): Punt if above function returns true.
728 2006-06-21 Richard Guenther <rguenther@suse.de>
730 * configure: Regenerated.
732 2006-06-21 Joseph Myers <joseph@codesourcery.com>
734 * config/mips/mips.c (function_arg): Where one part of a
735 complex argument is in registers and the other part in the stack,
736 return a REG not a PARALLEL.
738 2006-06-21 Mark Mitchell <mark@codesourcery.com>
740 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
741 when cross-compiling. Do not substitute libstdcxx_incdir.
742 * configure: Regenerated.
744 2006-06-21 Jakub Jelinek <jakub@redhat.com>
746 * varasm.c (mergeable_string_section): Check for embedded NULs and
747 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
748 rather than TREE_STRING_LENGTH bytes.
750 2006-06-21 Richard Guenther <rguenther@suse.de>
752 * ggc-page.c (extra_order_size_table): Add var_ann_d,
753 tree_ssa_name, bitmap_element and phi_node with 4 arguments
756 2006-06-21 Richrad Guenther <rguenther@suse.de>
758 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
759 Limit iteration over the dominators.
761 2006-06-20 Roger Sayle <roger@eyesopen.com>
763 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
764 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
766 2006-06-20 Richard Guenther <rguenther@suse.de>
767 Michael Matz <matz@suse.de>
769 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
771 * alloc-pool.c (free_alloc_pool_if_empty): New function.
772 * et-forest.h (et_free_pools): Prototype new function.
773 * et-forest.c (et_free_tree_force): Free parent occurrence.
774 (et_free_pools): New function.
775 * dominance.c (free_dominance_info): Free et-forest alloc
778 2006-06-20 Roger Sayle <roger@eyesopen.com>
780 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
781 integer modes, attempt to directly construct an integer constant.
783 * fold-const.c (native_encode_vector): Determine the size of each
784 element from the vector type instead of the first vector element.
786 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
787 if all of its elements/components are constant.
788 (build_constructor_from_list): Likewise.
790 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
792 PR tree-optimization/27331
793 * tree-data-ref.c (free_data_ref): New function.
794 (create_data_ref): Fail if the data reference has unknown access
796 (free_data_refs): Use free_data_ref.
798 2006-06-19 Andrew Pinski <pinskia@gmail.com>
801 * tree-inline.c (setup_one_parameter): Strip useless
802 type conversion before adding it to the IR.
803 (declare_return_variable): Likewise.
805 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
808 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
810 2006-06-19 Mike Stump <mrs@apple.com>
812 * tree.c (variably_modified_type_p): VM arguments don't make the
815 2006-06-19 Richard Guenther <rguenther@suse.de>
817 * tree-ssa-pre.c (try_combine_conversion): Strip useless
818 type conversions after folding.
820 2006-06-19 Richard Guenther <rguenther@suse.de>
822 * ggc-page.c (extra_order_size_tab): Add entries with
823 size of struct function and basic_block.
824 (size_lookup): Extend to cover sizes up to 511.
825 (ggc_alloc_stat): Adjust user.
826 (ggc_pch_count_object): Likewise.
827 (ggc_pch_alloc_object): Likewise.
828 (ggc_pch_write_object): Likewise.
830 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
832 * tree-ssa-loop-niter.c (implies_ge_p): New function.
833 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
836 2006-06-19 Denis Chertykov <denisc@overta.ru>
838 * config/avr/libgcc.S : Correct my wrong previous commit.
840 2006-06-19 Roger Sayle <roger@eyesopen.com>
843 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
844 have stripped a SUBREG from the shift count, so we may need to
845 convert_to_mode back to the type's mode before calling make_tree.
846 Use new_amount instead of amount to avoid expanding a tree twice.
848 2006-06-19 Richard Guenther <rguenther@suse.de>
851 * fold-const.c (operand_equal_p): Check if the argument types
852 have the same precision before stripping NOPs.
854 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
856 Fix PR tree-optimization/27341
857 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
859 * tree-complex.c (pass_lower_complex): Update SMT usage.
861 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
863 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
864 Add a new alternative to the constraint strings. Add move of
865 operand 1 to 3 to the splitter definition.
866 ("doloop_si_long"): Second contraint alternative removed.
868 2006-06-08 Anatoly Sokolov <aesok@post.ru>
870 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
871 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
873 (AVR_HAVE_MOVW) Define.
874 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
875 (ASM_SPEC): Add avr25.
876 (LINK_SPEC): Add avr25.
877 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
878 (base_arch_s): Add new member 'have_movw_lpmx'.
879 (avr_arch_types): Init 'have_movw_lpmx'.
880 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
881 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
882 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
883 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
884 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
886 (avr_file_start): Do not output '.arh' derective.
887 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
888 (__do_copy_data): Use __AVR_HAVE_LPMX__.
889 * config/avr/avr.md (mcu_enhanced): Delete.
890 (mcu_have_movw): Define.
891 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
892 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
893 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
894 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
895 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
896 attiny861 and at86rf401 devices.
898 2006-06-18 Jie Zhang <jie.zhang@analog.com>
900 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
903 2006-06-17 Karl Berry <karl@gnu.org>
905 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
906 doc/gccint.texi, doc/install.texi (@dircategory): Use
907 "Software development" instead of "Programming", following
908 the Free Software Directory.
910 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
912 * config/i386/i386.c (legitimate_tls_address)
913 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
914 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
915 (*tls_dynamic_gnu2_combine_64): Likewise.
917 2006-06-16 Richard Guenther <rguenther@suse.de>
920 * fold-const.c (negate_expr_p): Do not introduce undefined
921 overflow in negating INTEGER_CSTs.
922 (fold_negate_expr): Rename from negate_expr. Revert last
923 change for folding BIT_NOT_EXPR. Change semantics to
924 return NULL_TREE for non-simplified negations. Do not
925 strip type conversions and unify type handling.
926 (negate_expr): New function, wrap around fold_negate_expr
927 but ensure building a tree always. Strip type conversions
928 here, fold to result type.
929 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
931 2006-06-16 Roger Sayle <roger@eyesopen.com>
934 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
935 that (would) return their results in stack registers.
937 2006-06-16 Michael Matz <matz@suse.de>
938 Richard Guenther <rguenther@suse.de>
940 * fold-const.c (fold_truthop): Only return new tree node if
941 we canonicalized something.
943 2006-06-16 Richard Guenther <rguenther@suse.de>
945 * function.h (enum function_frequency): Move declaration
946 out of struct function.
947 (struct function): Move bool fields and the enum to the bitfield
948 section. Reorder elements to avoid padding. Remove unused
949 fields left over from the RTL inliner removal.
950 * function.c (free_after_compilation): Do not zero removed fields.
951 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
952 (ipa-type-escape.o): Likewise.
954 2006-06-16 Richard Guenther <rguenther@suse.de>
956 * cgraph.h (struct cgraph_local_info): Turn bool elements
958 (struct cgraph_node): Likewise.
959 (struct cgraph_varpool_node): Likewise.
961 2006-06-15 Richard Guenther <rguenther@suse.de>
963 * fold-const.c (fold_truth_not_expr): Rename from
964 invert_truthvalue. Give it fold_* semantics to avoid
966 (invert_truthvalue): New function. Wrapper around
968 (optimize_minmax_comparison): Avoid creating garbage.
969 (fold_unary): Use fold_truth_not_expr for folding
971 (fold_ternary): Replace uses of invert_truthvalue with
972 fold_truth_not_expr where applicable.
973 * tree.h (fold_truth_not_expr): Prototype.
975 2006-06-16 Richard Guenther <rguenther@suse.de>
977 PR tree-optimization/27781
978 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
979 * ipa-pure-const.c (target.h): Include.
980 (analyze_function): Do not analyze functions that do not
983 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
986 * tree-dfa.c (referenced_vars_dup_list): Remove.
987 (find_referenced_vars): Remove assert.
988 (referenced_var_check_and_insert): Replace dup list with assert.
989 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
990 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
992 2006-06-15 Richard Guenther <rguenther@suse.de>
994 * tree-ssa-structalias.c (alias_get_name): Avoid creating
995 extra unused identifiers if not dumping.
996 (create_variable_info_for): Likewise.
998 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1000 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1001 (derive_constant_upper_bound): Derive more precise upper bound in
1002 common cases. Return type changed to double_int.
1003 (record_estimate): Reflect the changed return type of
1004 derive_constant_upper_bound.
1005 * double-int.c (double_int_zext, double_int_sext): Fix.
1007 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1009 * configure.ac (CFLAGS): Get them from the toplevel or from the
1010 configure invocation.
1011 * configure: Regenerate.
1012 * Makefile.in (CFLAGS): Substitute value provided by configure.
1014 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1017 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1018 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1019 rather than calling add_stmt on it.
1020 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1022 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1025 * reload1.c (reload): Remove registers returned by update_eliminables
1026 from used_spill_regs.
1028 2006-06-13 DJ Delorie <dj@redhat.com>
1030 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1032 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1034 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1035 html__strip_dir, html__mkdir_p. Enhance install-html target.
1036 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1037 * configure: Regenerate.
1039 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1041 * fold-const.c (fold_cond_expr_with_comparison): Check for
1042 Objective-C++ as language in deciding COND_EXPR transformation.
1044 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1047 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1048 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1049 * config/sh/lib1funcs.h (SL, SL1): Define.
1050 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1051 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1052 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1053 (OBJS_Os_4_200): New variable.
1054 ($(T)libgcc-Os-4-200.a): Use it.
1055 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1056 when dividing 1 and/or by 0.
1058 2006-06-13 Roger Sayle <roger@eyesopen.com>
1060 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1061 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1062 * configure: Regenerate.
1064 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1066 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1067 for real instruction.
1069 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1072 * haifa-sched.c (check_cfg): Handle special case.
1074 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1077 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1078 Add debug_info parameter. Chain the vars to the BLOCK instead
1079 of the BIND_EXPR if debug info are requested for them.
1080 (pop_gimplify_context): Adjust for above change.
1081 (gimple_add_tmp_var): Likewise.
1082 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1084 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1085 (convert_local_reference): Likewise.
1086 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1087 (finalize_nesting_tree_1): Request that debug info be emitted
1088 for debug_var_chain.
1090 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1092 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1093 for PR target/27863.
1095 2006-06-13 Richard Guenther <rguenther@suse.de>
1098 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1100 2006-06-13 Richard Guenther <rguenther@suse.de>
1102 PR tree-optimization/27830
1103 * tree-inline.c (copy_body_r): For copying the operand
1104 of an ADDR_EXPR make sure to fold &* afterwards.
1106 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1108 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1109 lvalues in the fb_none case with side-effects.
1111 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1113 * tree-flow.h: Remove the prototype for
1114 compute_phi_arg_on_exit.
1115 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1116 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1119 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1121 * builtins.c (expand_builtin_return_addr): Only use
1122 frame_pointer_rtx when count == 0 and we are expanding
1123 __builtin_return_address.
1125 2006-06-12 Fred Fish <fnf@specifix.com>
1127 * config/mips/mips.c (mips_file_start): Create special section
1128 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1130 2006-06-11 Eric Christopher <echristo@apple.com>
1133 * stor-layout.c (place_field): Remove check for
1134 remaining_in_alignment when aligning at the end of a run.
1136 2006-06-11 Eric Christopher <echristo@apple.com>
1139 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1142 2006-06-11 Roger Sayle <roger@eyesopen.com>
1145 Revert incorrect fix for PR target/27158
1146 2006-05-08 Roger Sayle <roger@eyesopen.com>
1147 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1148 of a reg_equiv_constant if the result is a legitimate constant.
1150 2006-06-11 Roger Sayle <roger@eyesopen.com>
1153 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1154 extract a CONST_VECTOR element and interpret it as an integer.
1155 (vspltis_constant): Use const_vector_elt_as_int instead of the
1156 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1157 * config/rs6000/predicates.md (easy_vector_const): Consider
1158 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1160 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1163 * stor-layout.c (update_alignment_for_field): Don't add extra
1164 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1167 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1169 * config/mips/t-rtems: Add EL/EB multilib variants.
1171 2006-06-09 Mike Stump <mrs@apple.com>
1173 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1175 2006-06-09 David Daney <ddaney@avtrex.com>
1177 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1179 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1181 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1183 2006-06-09 Richard Guenther <rguenther@suse.de>
1185 PR tree-optimization/26998
1186 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1187 of signed types, only TYPE_MIN_VALUE is special, but for both,
1188 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1189 in this case, as is -fwrapv.
1191 2006-06-08 Mike Stump <mrs@apple.com>
1194 * config/darwin.c (darwin_asm_output_anchor): Disable
1195 -fsection-anchors on darwin for now.
1196 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1197 * rs6000/rs6000.c (optimization_options): Likewise.
1199 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1202 * config/i386/i386.c (classify_argument): Skip fields with invalid
1205 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1207 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1208 (cse_insn): Likewise for the stack_pointer_rtx.
1210 2006-06-08 Roger Sayle <roger@eyesopen.com>
1212 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1213 conditions from floating point comparisons.
1215 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1218 * expmed.c (struct alg_hash_entry): Fix type of field T
1219 to match synth_mult argument.
1220 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1222 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1225 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1228 2006-06-08 Richard Guenther <rguenther@suse.de>
1231 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1232 only, if overflow is defined and not trapping.
1233 (negate_expr): Likewise.
1235 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1237 PR tree-optimization/27872
1238 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1239 flag on the new exit edge of the unrolled loop.
1241 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1243 PR rtl-optimization/26449
1244 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1246 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1249 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1250 referenced_variables with matching DECL_UID's.
1251 (find_referenced_vars): Make sure duplicate list is empty to start.
1252 (referenced_var_p): Remove.
1253 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1254 Check if var is in the list, and add if needed. Update the duplicate
1255 list if a different var is in the list with the same DECL_UID.
1256 (add_referenced_var): Call routine to check and insert.
1257 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1258 * tree-flow.h (referenced_vars_dup_list): External declaration.
1260 2006-06-07 Fred Fish <fnf@specifix.com>
1262 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1265 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1268 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1269 the imaginary and real parts of a clobbered register.
1270 Emit insn to set the imaginary part.
1272 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1274 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1275 in lieu of unwind-dw2-fde.c.
1277 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1279 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1281 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1284 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1285 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1286 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1287 V4SImode temporaries and operations instead.
1289 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1291 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1294 2006-06-06 Mike Stump <mrs@apple.com>
1296 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1297 installing during build.
1299 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1301 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1303 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1304 * config/ia64/ia64.c (params.h): New header.
1305 (ia64_optimization_options): New function to adjust parameters.
1306 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1307 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1308 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1310 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1312 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1314 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1317 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1319 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1320 Victor Kaplansky <victork@il.ibm.com>
1322 PR tree-optimization/26360
1323 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1326 2006-06-04 Roger Sayle <roger@eyesopen.com>
1327 Andrew Pinski <pinskia@physics.uc.edu>
1330 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1331 for LABEL_DECL before calling DECL_WEAK.
1334 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1335 LABEL_DECL and PARM_DECL.
1337 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1341 * c-decl.c (grokdeclarator): Disallow variably modified types at
1342 file scope. Avoid marking shared array type of constant size as
1345 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1348 * c-common.c (fold_offsetof_1): Handle static members.
1350 2006-06-04 Eric Christopher <echristo@apple.com>
1352 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1353 (debug_rli): Output value for remaining_in_alignment.
1354 (update_alignment_for_field): Unconditionalize
1355 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1356 extra alignment code.
1357 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1358 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1359 * tree.h (record_layout_info_s): Remove prev_packed.
1360 * doc/extend.texi (ms_struct): Add documentation of format.
1362 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1364 * tree.h: Declare folding_initializer.
1365 * builtins.c (fold_builtin_constant_p): Give definite answer
1366 if folding inside an initializer.
1367 * fold-const.c: Define folding_initializer.
1368 (START_FOLD_INIT): Save and then set folding_initializer.
1369 (END_FOLD_INIT): Restore folding_initializer.
1371 2006-06-04 Richard Guenther <rguenther@suse.de>
1373 PR tree-optimization/27039
1374 * fold-const.c (fold_comparison): Handle pointer comparison
1375 again for all comparison codes. Compare offsets in signed
1377 (fold_binary): Move code from here.
1379 2006-06-03 Roger Sayle <roger@eyesopen.com>
1382 * config/i386/i386.c (construct_container): Split static issued_error
1383 flag into issued_sse_arg_error, issued_sse_ret_error and
1384 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1385 requires the use of x87 registers and the user explicitly
1386 specified the -mno-80387 command line option.
1388 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1390 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1391 HAVE_DECL_SIGALTSTACK.
1393 (segv_handler): Use MC_FLD.
1394 * configure.ac: Check for a sigaltstack declaration.
1395 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1396 * configure: Regenerate.
1397 * config.in: Regenerate.
1399 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1402 * Makefile.in (stmp-fixinc): Fix typo.
1404 2006-06-02 Roger Sayle <roger@eyesopen.com>
1406 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1407 are type correct. Clean-up.
1408 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1409 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1411 2006-06-01 DJ Delorie <dj@redhat.com>
1413 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1414 shift, as we've disabled the "switch" insn that needs it.
1416 2006-06-01 Per Bothner <bothner@bothner.com>
1418 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1419 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1420 * c-ppoutput.c (cb_define): Don't increment line 0.
1422 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1424 * doc/invoke.texi: Add cpu_type power6.
1425 * config.gcc: Add cpu_type power6.
1426 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1427 to power5+ with Altivec.
1428 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1429 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1431 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1433 * config/avr/avr.h (SET_ASM_OP): Define.
1435 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1437 * config/bfin/bfin.c: Fix comment typos.
1439 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1442 * doc/install.texi: Document --enable-bootstrap and
1443 --disable-bootstrap.
1445 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1447 * doc/install.texi: Document that InfoZIP can replace jar.
1449 2006-05-31 Roger Sayle <roger@eyesopen.com>
1451 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1452 isn't available, directly generate the simpler x87 patterns without
1453 the (use (const_int 0)).
1454 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1455 implementation isn't available.
1456 (*negdf2_1): Likewise.
1457 (*negxf2_1): XF mode negation is always done using the x87.
1458 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1460 2006-05-31 Roger Sayle <roger@eyesopen.com>
1462 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1463 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1465 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1467 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1469 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1470 * config/bfin/bfin.c (basic-block.h): Include.
1471 (struct machine_function): New.
1472 (bfin_init_machine_status): New.
1473 (override_options): Initialize init_machine_status.
1474 (bfin_hardware_loop): New.
1475 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1476 (DEF_VEC_P (loop_info)): New.
1477 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1478 (struct loop_info): New.
1479 (loop_info): New typedef.
1480 (struct loop_work): New.
1481 (loop_work): New typedef.
1482 (DEF_VEC_O (loop_work)): New.
1483 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1484 (bfin_dump_loops): New.
1485 (bfin_bb_in_loop): New.
1486 (bfin_scan_loop): New.
1487 (bfin_optimize_loop): New.
1488 (bfin_reorg_loops): New.
1489 (bfin_reorg): Use bfin_reorg_loops.
1490 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1492 (I_REGNO_P): Simplify.
1493 (DP_REGNO_P, DPREG_P): New macros.
1494 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1495 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1496 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1497 Add LT_REGS, LC_REGS, LB_REGS.
1498 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1500 (REGNO_REG_CLASS): Deal with loop registers.
1501 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1503 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1504 New constants for loop registers.
1505 (UNSPEC_LSETUP_END): New.
1506 (seq_insns): New define_attr. Set it for appropriate insns.
1507 (movsi_insn): Add alternatives for move from/to
1508 loop count registers.
1509 (doloop_end): New define_expand.
1510 (loop_end): New define_insn.
1511 (define_split for bad doloop_end): New.
1512 (lsetup_with_autoinit): New define_insn.
1513 (lsetup_without_autoinit): New define_insn.
1514 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1515 * config/bfin/predicates.md (lc_register_operand): New.
1516 (lt_register_operand): New.
1517 (lb_register_operand): New.
1518 (nondp_register_operand): New.
1519 (nondp_reg_or_memory_operand): New.
1520 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1522 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1524 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1525 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1527 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1529 * Makefile.in (CATALOGS): Add po/ prefix.
1530 * configure: Regenerated.
1532 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1535 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1536 a shift operand before calling shift_op. Avoid redundant call of
1539 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1540 DJ Delorie <dj@redhat.com>
1542 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1543 we're inserting is a singlt-bit constant.
1545 2006-05-30 Roger Sayle <roger@eyesopen.com>
1547 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1548 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1550 2006-05-30 Roger Sayle <roger@eyesopen.com>
1552 PR tree-optimization/23452
1553 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1554 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1555 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1556 complex values and with -ffast-math for FP complex values.
1558 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1560 * c-common.h: Remove the prototype for yyparse.
1561 * rtl.h: Remove the prototype for init_loop.
1563 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1565 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1568 2006-05-30 Roger Sayle <roger@eyesopen.com>
1570 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1572 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1573 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1575 2006-05-30 Dirk Mueller <dmueller@suse.de>
1578 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1579 for CONSTANT_CLASS_P expresisons.
1581 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1584 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1586 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1588 PR tree-optimization/27779
1589 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1590 initial_condition instead of CHREC_LEFT.
1592 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1594 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1595 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1596 Make prototypes ISO C90.
1598 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1599 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1601 * see.c (see_analyze_one_def): Correct check.
1602 (see_get_extension_data): Check if extension is parallel.
1603 (see_get_extension_reg): Likewise.
1605 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1608 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1609 into register for (code == GTU).
1611 2006-05-29 Roger Sayle <roger@eyesopen.com>
1613 PR tree-optimization/24964
1614 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1615 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1616 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1617 abs(x)*abs(x) as x*x for scalar floating point modes.
1619 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1622 * lambda-code.c (perfect_nestify): Don't copy statements
1623 in the inner loop: move them to the inner loop header.
1625 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1628 * c-tree.texi: Document OpenMP directives and clauses.
1630 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1632 * varasm.c (globalize_decl): Fix indentation.
1634 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1637 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1638 pass_fre, pass_store_ccp, pass_copy_prop,
1639 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1640 pass_return_slot, pass_object_size, pass_lim,
1641 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1642 pass_loop_prefetch and pass_stdarg.
1644 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1646 * config/bfin/bfin.opt (mfdpic): New option.
1647 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1648 (EXTRA_MULTILIB_PARTS): Likewise.
1649 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1650 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1652 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1653 (CRT_CALL_STATIC_FUNCTION): New.
1654 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1656 (CRT_CALL_STATIC_FUNCTION): New.
1657 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1659 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1660 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1661 (initialize_trampoline): Changed to handle FD-PIC code generation.
1662 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1663 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1664 (override_options): Disallow -mid-shared-library -mfdpic combination.
1665 Can't do unaligned ops if FD-PIC.
1666 Turn off flag_pic if trying to generate non-id-shared-library
1667 non-fdpic code, since it's not supported.
1668 (bfin_assemble_integer): New function.
1669 (TARGET_ASM_INTEGER): Define.
1670 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1672 * config/bfin/crtn.s: Restore them.
1673 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1675 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1676 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1677 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1678 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1679 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1681 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1682 FDPIC_REGS and FDPIC_FPTR_REGS.
1683 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1684 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1685 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1686 (load_funcdescsi): New pattern.
1687 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1688 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1689 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1691 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1693 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1696 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1698 * tree-flow.h: Remove the prototype for add_type_alias.
1699 * tree-ssa-alias.c (add_type_alias): Remove.
1701 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1703 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1704 config/fr30/fr30.md, config/i386/i386-interix.h,
1705 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1706 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1707 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1708 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1709 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1710 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1711 Follow spelling conventions.
1712 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1713 Follow spelling conventions.
1715 2006-05-27 Richard Guenther <rguenther@suse.de>
1718 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1719 to produce a constant of value 1 of generic type.
1721 2006-05-27 Dirk Mueller <dmueller@suse.de>
1723 * cgraphunit.c (decide_is_function_needed): Fix wrong
1726 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1728 PR rtl-optimization/27661
1729 * reload.c (find_reloads): When reloading a VOIDmode constant
1730 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1731 use Pmode as mode of the reload register.
1733 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1735 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1736 is enabled at -O and above.
1738 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1741 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1744 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1747 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1748 for anonymous variables explicitly declared by front ends.
1750 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1752 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1753 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1754 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1755 ref-all pointers, run a finalization pass for them.
1756 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1757 (finalize_ref_all_pointers): New function.
1758 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1759 regular pointer type to a ref-all pointer type.
1760 (get_tmt_for): Return the special memory tag for ref-all pointers.
1762 2006-05-25 Richard Guenther <rguenther@suse.de>
1765 * fold-const.c (fold_binary): Do not look at the stripped
1766 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1768 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1770 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1771 for LT and GT if the computed range is effectively empty.
1773 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1776 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1777 mips_quad_format formats instead of ieee_single_format,
1778 ieee_double_format and ieee_quad_format formats, respectively.
1780 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1782 PR tree-optimization/27639
1783 PR tree-optimization/26719
1784 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1785 call to scev_probably_wraps_p.
1786 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1787 used_in_pointer_arithmetic_p, convert_step): Removed.
1788 (nowrap_type_p): New function.
1789 (scev_probably_wraps_p): Rewritten.
1790 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1791 chrec_convert if chrec_convert_aggressive might have been used.
1792 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1793 scev_direction): New functions.
1794 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1795 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1796 instead of convert_step.
1797 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1798 (convert_step): Declaration removed.
1799 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1801 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1803 * df-core.c: Added to header comments.
1804 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1805 df_ur_bb_info, df_urec_bb_info): Added comments.
1806 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1807 urec, ri problems): Fixed header comments.
1808 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1809 code from df_rd_transfer_function.
1811 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1813 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1814 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1815 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1817 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1819 * expr.c (undefined_operand_subword_p): New.
1820 (emit_move_multi_word): Do not generate move from undefined bits
1821 of a paradoxical subreg.
1823 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1825 PR rtl-optimization/27736
1826 * combine.c (replaced_rhs_value): New variable.
1827 (combine_instructions): Set it.
1828 (distribute_notes): When distributing a note in replaced_rhs_insn,
1829 check whether the value was used in replaced_rhs_value.
1831 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1834 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1835 add_referenced_var instead of add_referenced_tmp_var.
1836 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1837 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1839 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1840 tree_optimize_tail_calls_1): Use add_referenced_var.
1841 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1842 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1843 Use add_referenced_var.
1844 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1845 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1846 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1847 Use add_referenced_var.
1848 * tree-dfa.c (struct walk_state): Remove.
1849 (find_referenced_vars): Remove walk state and vars_found hash table.
1850 (make_rename_temp): Use add_referenced_var.
1851 (find_vars_r): Pass less parameters to add_referenced_var.
1852 (referenced_var_p): New. Is var in referenced_var hash table.
1853 (referenced_var_insert): Assert var isn't already in hash table.
1854 (add_referenced_var): Don't need walk_state parameter. Add var if it
1855 isn't already in the hash table.
1856 (add_referenced_tmp_var): Remove.
1857 (find_new_referenced_vars_1): Use add_referenced_var.
1858 * tree-ssa-pre.c (create_expression_by_pieces,
1859 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1860 Use add_referenced_var.
1861 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1862 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1863 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1865 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1866 vect_create_data_ref_ptr, vect_create_destination_var,
1867 vect_init_vector, vect_build_loop_niters,
1868 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1869 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1870 Use add_referenced_var.
1871 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1872 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1873 (add_referenced_var): Add prototype.
1874 * tree-ssa-structalias.c (get_constraint_for,
1875 intra_create_variable_infos): Use add_referenced_var.
1877 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1879 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1880 big-endian paradoxical subregs.
1881 * var-tracking.c (struct micro_operation_def): Document that,
1882 for modify micro operations, insn is the subsequent instruction.
1883 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1884 (var_reg_set, var_mem_set): ... new functions.
1885 (add_stores): Record subsequent insn.
1886 (compute_bb_dataflow): Use new functions for MO_USE.
1887 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1888 notes after the insn, and modify notes before the insn known
1889 to be the subsequent one.
1890 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1892 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1895 * config/i386/i386.c (ix86_expand_builtin): Use
1896 gen_sse3_monitor64 for TARGET_64BIT.
1898 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1900 PR rtl-optimization/26375
1901 PR rtl-optimization/26855
1902 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1904 (df_ru_bb_local_compute): Reversed statements and removed bogus
1905 comment explaining why they should be in wrong order.
1906 (df_ru_dump, df_rd_dump): Enhanced debug info.
1907 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1909 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1910 reaching uses and fixed space problem.
1912 2006-05-23 Jan Hubicka <jh@suse.cz>
1914 * cgraphunit.c (decide_is_function_needed): Also nested functions
1915 and functions declared inline can be optimized out at -O0.
1917 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1919 * doc/install.texi (Configuration): Remove reference to CrossGCC
1923 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1926 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1927 ix86_compare_emitted is non-NULL.
1929 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1932 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1935 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1937 PR rtl-optimization/25514
1938 * combine.c (replaced_rhs_insn): New variable.
1939 (combine_instructions): Set replaced_rhs_insn when trying to replace
1940 a SET_SRC with a REG_EQUAL note.
1941 (distribute_notes): Use replaced_rhs_insn when determining the live
1942 range of a REG_DEAD register.
1944 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1945 Anatoly Sokolov <aesok@post.ru>
1947 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1948 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1949 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1950 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1951 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1952 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1953 at90usb647, at90usb1286 and at90usb1287 devices.
1954 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1955 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1957 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1959 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1961 2006-05-22 Richard Guenther <rguenther@suse.de>
1964 2006-01-31 Richard Guenther <rguenther@suse.de>
1965 Paolo Bonzini <bonzini@gnu.org>
1967 * doc/install.texi (--disable-libgcc-math): Document.
1969 2006-05-22 Richard Guenther <rguenther@suse.de>
1972 2006-01-31 Richard Guenther <rguenther@suse.de>
1974 * doc/invoke.texi (-msselibm): Document.
1975 * target.h (expand_library_builtin): New target hook.
1976 * builtins.c (expand_builtin): Use expand_library_builtin.
1977 (default_expand_library_builtin): New function.
1978 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1979 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1980 (link_gcc_math_spec): Declare.
1981 (static_specs): Add link_gcc_math_spec.
1982 * expr.h (default_expand_library_builtin): Declare.
1983 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1984 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1985 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1986 * config/i386/i386.opt (msselibm): New target option.
1987 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1988 (ix86_init_sse_abi_builtins): New function.
1989 (ix86_expand_library_builtin): Likewise.
1990 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1991 (override_options): Handle error conditions wrt -msselibm.
1992 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1993 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1994 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1997 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2000 * c-common.c (self_promoting_args_p): Skip erroneous args.
2003 * c-decl.c (finish_struct): Skip erroneous fields.
2005 2006-05-22 Nick Clifton <nickc@redhat.com>
2007 * config/cris/cris.opt (march): Remove VarExists attribute.
2008 (max-stackframe=): Likewise.
2010 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2012 * doc/rtl.texi: Fix a typo.
2013 * see.c: Fix comment typos.
2015 * tree-ssa-structalias.h (alias_info): Remove num_references.
2017 2006-05-21 Mike Stump <mrs@apple.com>
2019 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2021 (darwin_pragma_options): Use BAD instead.
2022 (darwin_pragma_unused): Likewise.
2023 (darwin_pragma_ms_struct): Likewise.
2025 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2027 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2029 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2031 PR rtl-optimization/27671
2032 * simplify-rtx.c (simplify_relational_operation_1): Fix
2033 simplifications of (eq/ne (xor x y) y) and
2034 (eq/ne (xor x y) x).
2036 PR tree-optimization/26622.
2037 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2040 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2042 * tree-cfg.c: Prune whitespace.
2043 (debug_tree_cfg): Point to correct header containing the
2046 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2049 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2051 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2054 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2055 or sorry count is non zero.
2057 2006-05-20 Andreas Schwab <schwab@suse.de>
2059 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2061 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2062 Kenneth Zadeck <zadeck@naturalbridge.com>
2064 PR rtl-optimization/26855
2066 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2068 (df_scan_alloc): Added code to properly handle multiword hard
2069 registers and add all_blocks parameter.
2070 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2071 code to properly handle multiword hard registers.
2072 (df_rescan_blocks): Added code to remove deleted blocks from
2074 (df_ref_create_structure, df_ref_record): Added code to properly
2076 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2077 and set DF_REF_PARTIAL.
2078 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2079 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2080 (df_scan_add_problem): Added flags parameter.
2081 (df_ref_create_structure): Changed switching structure.
2082 (df_bb_refs_record): Fixed case where duplicate artificial refs
2083 were created. Changed location of flags.
2084 (df_record_entry_block_defs): Added code to make stack pointer
2085 live in entry block. Refined cases where frame pointer is needed.
2086 Changed location of flags.
2087 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2088 (df_set_state): Removed function.
2089 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2090 df_insn_create_insn_record, df_insn_refs_delete,
2091 df_ref_create_structure): Formatting changes.
2092 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2093 df_delete_basic_block): New function.
2094 (df_init): Changed location of flags.
2095 (df_add_problem): Added flags parameter and the way flags are
2097 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2098 debug_df_chain): Improved debugging output.
2099 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2100 (df_refs_chain_dump): Removed df parameter.
2101 (df_iterative_dataflow): Added consistency check.
2102 (df_prune_to_subcfg): Made public.
2103 (df_analyze_problem): Added blocks_to_init parameter and made
2105 (df_ref_record, df_bb_refs_record, df_mark_reg,
2106 df_record_exit_block_uses): Whitespace changes.
2107 (df_dump): Whitespace changes.
2108 * df.h: Some reordering to remove forward references.
2109 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2110 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2111 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2112 (dataflow.flags): New field.
2113 (df.flag): Deleted field.
2114 (df_alloc_function): Added additional bitmap parameter.
2115 (df_dependent_problem_function): New type.
2116 (df_problem.changeable_flags): New field.
2117 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2118 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2119 (df_mw_hardreg): New struct.
2120 (DF_INSN_UID_MWS): New macro.
2121 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2123 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2124 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2125 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2126 (df_set_state): Removed function.
2127 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2128 * df-problems.c (df_chain_dump): Removed df parameter.
2129 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2130 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2132 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2133 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2134 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2135 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2136 DF_REF_MUST_CLOBBER cases.
2137 (df_ru_bb_local_compute_process_def,
2138 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2139 df_lr_bb_local_compute, df_ur_bb_local_compute,
2140 df_chain_create_bb): Made subreg aware.
2141 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2142 df_lr_bb_local_compute, df_lr_bb_local_compute,
2143 df_chain_create_bb): Cleanup to use proper macros.
2144 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2145 code to fixup bitvectors.
2146 (df_ri_alloc): Cleared lifetime.
2147 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2148 df_create_unused_note): New function.
2149 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2150 REG_DEAD and REG_UNUSED notes as well as register information.
2151 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2152 df_chains_dump): Fixed crash if problem was never run.
2153 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2154 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2155 df_ri_add_problem): Processes flags in uniform manner.
2156 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2157 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2158 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2159 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2160 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2161 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2162 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2163 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2164 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2165 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2166 * see.c (see_initialize_data): Ditto.
2167 * final.c (rest_of_clean_state) Added regstack_completed.
2168 * rtl.h (regstack_completed): Ditto.
2169 * reg-stack.c (regstack_completed): Ditto.
2171 2006-05-19 Mike Stump <mrs@apple.com>
2173 * c-tree.h (default_conversion): Remove.
2174 * c-common.h (default_conversion): Add.
2176 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2178 * tree-vrp.c (valid_value_p): New function.
2179 (adjust_range_with_scev): Fail if the value of bound is not
2182 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2184 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2185 (mips_fallback_frame_state): Use syscall numbers to determine
2186 the appropriate li instruction for the current ABI. Only use
2187 __NR_sigreturn for o32.
2189 2006-05-19 Nicolas Setton <setton@adacore.com>
2191 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2192 * langhooks.c (lhd_dwarf_name): New function.
2193 * langhooks-def.h (lhd_dwarf_name): Declare.
2194 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2195 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2196 * ada/misc.c (gnat_dwarf_name): New function.
2197 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2199 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2201 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2203 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2204 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2205 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2206 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2207 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2208 determine the size of Wtype, etc.
2209 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2210 (swfloatfuncs): New variable.
2211 (dwfloatfuncs): Likewise.
2212 (lib2funcs): Remove floating-point conversion functions from
2213 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2214 the set of conversion routines needed. Allow entries to specify
2215 an object name, filename and word size. Update users accordingly.
2216 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2217 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2221 2006-02-08 Roger Sayle <roger@eyesopen.com>
2224 * config/fixtfdi.c: New libgcc source file.
2225 * config/fixunstfdi.c: New source file.
2226 * config/floatditf.c: New source file.
2227 * config/floatunditf.c: New souce file.
2228 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2229 files above instead of config/mips/_tilib.c.
2230 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2232 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2234 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2235 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2237 2006-05-18 Mike Stump <mrs@apple.com>
2239 Fix up vla, vm and [*] sematics.
2245 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2246 (c_vla_unspec_p): Add.
2247 (c_vla_type_p): Add.
2248 * c-decl.c (struct c_scope): Add had_vla_unspec.
2249 (build_array_declarator): Add support for [*].
2250 (grokdeclarator): Likewise.
2251 (grokparms): Likewise.
2252 (get_parm_info): Likewise.
2253 * c-objc-common.c (c_vla_unspec_p): Likewise.
2254 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2255 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2256 typeof when argument is a variably modified type not inside sizeof or alignof.
2257 (c_parser_direct_declarator_inner): Propagate errors.
2258 (c_parser_sizeof_expression): Add support for [*].
2259 (c_parser_parms_declarator): Initialize had_vla_unspec.
2260 (c_parser_parms_list_declarator): Likewise.
2261 * c-typeck.c (c_vla_type_p): Add.
2262 (composite_type): Add support for vla compositing.
2263 (comptypes_internal): Add support for vla compatibility.
2264 (c_expr_sizeof_expr): Evaluate vla arguments.
2265 * tree.c (variably_modified_type_p): Update comment for [*].
2267 2006-05-18 Michael Matz <matz@suse.de>
2270 * config.host: Make assignments to host_xmake_file cumulative.
2271 * config.host (*-darwin*): Test $host, not $target.
2273 2006-05-12 Stuart Hastings <stuart@apple.com>
2275 * config/i386/i386.opt (-mstackrealign): New flag.
2276 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2277 (ix86_handle_cconv_attribute): Emit error when
2278 force_align_arg_pointer attribute collides with too many regparms.
2279 (ix86_function_regparm): Limit regparms when used with
2280 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2281 Support stack-realigning prologue in non-main functions. Emit
2282 warning for nested functions under -mstackrealign, emit error for
2283 nested functions with force_align_arg_pointer attribute.
2284 * doc/extend.texi (force_align_arg_pointer): Document it.
2285 * doc/invoke.texi (-mstackrealign): Document it.
2287 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2289 PR rtl-optimization/27477
2290 * combine.c (try_combine): Don't split a parallel consisting
2291 of two sets into two individual sets if both sets reference
2294 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2296 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2297 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2299 * doc/options.texi (VarExists): Updated.
2301 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2303 * unwind-dw2.c: Add declarations for uw_update_context and
2305 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2306 detected, advance frame state and context once to skip over stub.
2308 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2312 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2313 Call rewrite_into_loop_closed_ssa only when something changed.
2314 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2315 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2316 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2317 Test for perfect_nest_p here. Fix formating.
2318 (replace_uses_equiv_to_x_with_y): Fix formating.
2319 (stmt_uses_op): Removed.
2320 (can_convert_to_perfect_nest): Removed loopivs parameter.
2321 Complete the test by checking the scalar dependences.
2322 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2325 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2328 From Dan Kegel <dank@kegel.com>:
2329 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2331 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2333 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2334 if the element type is variably modified without recursing.
2336 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2339 * tree-loop-linear.c (try_interchange_loops): Test for
2340 no data dependences.
2342 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2344 PR tree-optimization/27548
2345 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2346 range of ssa names that appear on abnormal edges.
2347 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2348 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2350 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2353 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2355 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2358 * tree.h (OMP_PARALLEL_COMBINED): Define.
2359 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2360 (new_omp_context): Add is_combined_parallel argument.
2361 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2362 new_omp_context caller.
2363 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2364 Adjust gimplify_scan_omp_clauses callers.
2365 (omp_is_private): Issue errors if iteration variable is firstprivate
2366 or reduction in the current context.
2367 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2368 on combined parallel workshare constructs.
2370 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2372 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2373 (gcc-options.o): New rule.
2375 * optc-gen.awk: Protect variables for gcc-options.o with
2376 #ifdef GCC_DRIVER/#endif.
2378 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2380 Fix PR tree-optimization/27373
2381 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2382 (forward_propagate_addr_expr): Update call.
2384 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2386 * doc/options.texi: Move the Negative option.
2388 2006-05-16 Richard Guenther <rguenther@suse.de>
2390 PR tree-optimization/22303
2391 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2393 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2394 ccp_fold did not simplify the statement.
2396 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2399 * Makefile.in (GCC_OBJS): New.
2400 (OBJS-common): Add opts-common.o.
2401 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2402 (cpp$(exeext)): Likewise.
2403 (gcc.o): Also depend on opts.h.
2404 (opts-common.o): New.
2406 * common.opt (gcoff): Add Negative(gdwarf-2).
2407 (gdwarf-2): Add Negative(gstabs).
2408 (gstabs): Add Negative(gstabs+).
2409 (gstabs+): Add Negative(gvms).
2410 (gvms): Add Negative(gxcoff).
2411 (gxcoff): Add Negative(gxcoff+).
2412 (gxcoff+): Add Negative(gcoff).
2413 * config/i386/i386.opt (m32): Add Negative(m64).
2414 (m64): Add Negative(m32).
2416 * doc/options.texi: Document the Negative option.
2418 * gcc.c: Include "opts.h".
2419 (main): Call prune_options after expandargv.
2421 * optc-gen.awk: Generate common declarations for all flag
2422 variables in options.c. Output the neg_index field.
2424 * opts.c (find_opt): Moved to ...
2425 * opts-common.c: Here. New file.
2427 * opts.h (cl_option): Add a neg_index field.
2429 (prune_options): Likewise.
2431 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2434 * omp-low.c (expand_omp_parallel): Don't assert
2435 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2436 instead search for it.
2439 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2442 2006-05-16 Andreas Schwab <schwab@suse.de>
2444 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2447 2006-05-15 Roger Sayle <roger@eyesopen.com>
2450 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2451 integer constants other than zero are only legitimate on TARGET_64BIT.
2452 <CONST_VECTOR> Only zero vectors are legitimate.
2453 (ix86_cannot_force_const_mem): Integral and vector constants can
2454 always be put in the constant pool.
2456 2006-05-16 DJ Delorie <dj@redhat.com>
2458 * crtstuff.c (__dso_handle): Set section from
2459 TARGET_LBIGCC_SDATA_SECTION if defined.
2460 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2461 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2463 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2466 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2469 2006-05-16 Ben Elliston <bje@au.ibm.com>
2471 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2473 2006-05-15 Per Bothner <per@bothner.com>
2475 * tree.c: (last_annotated_node): Use source_locus typedef.
2476 This permits bootstrapping with --enable-mapped-location.
2478 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2480 PR tree-optimization/26830
2481 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2482 (info_for_ssa_name, current_info_for_ssa_name_age,
2483 blocks_to_update): New variables.
2484 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2485 (clear_ssa_name_info, initialize_flags_in_bb,
2486 mark_block_for_update): New functions.
2487 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2488 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2489 prepare_def_site_for): Use mark_block_for_update.
2490 (mark_def_interesting): Assert that the processed block is marked in
2491 blocks_to_update. Do not take blocks argument.
2492 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2494 (rewrite_update_init_block, rewrite_update_stmt): Only process
2495 blocks with statements to rewrite.
2496 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2497 (update_ssa): Initialize and free blocks_to_update. Do not
2498 clear flags on statements. Do not use blocks bitmap.
2499 * tree.h (SSA_NAME_AUX): Removed.
2500 (struct tree_ssa_name): Removed aux field.
2501 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2503 2006-05-15 Richard Guenther <rguenther@suse.de>
2505 PR tree-optimization/27603
2506 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2507 Do computations in original type.
2509 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2511 * see.c: Code style changes such as redundant paranthesis,
2512 redundant intialization of local variables etc.
2513 (see_main): Declared now as static.
2514 * doc/invoke.texi: Update that -fsee is not enabled by
2517 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2519 * omp-low.c (check_omp_nesting_restrictions): New function.
2520 (scan_omp_1): Call it.
2523 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2524 construct, return *VAR.
2526 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2528 PR rtl-optimization/27406
2529 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2532 2006-05-14 Roger Sayle <roger@eyesopen.com>
2534 PR rtl-optimization/27538
2535 * combine.c (expand_compound_operation): Call gen_lowpart
2536 before calling simplify_shift_const.
2538 2006-05-14 Roger Sayle <roger@eyesopen.com>
2540 PR rtl-optimization/22563
2541 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2542 a fixed width bitfield, always force the intermediates into psuedos.
2544 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2547 * mkconfig.sh: Use operator = instead of == for test.
2549 2006-05-13 Nick Clifton <nickc@redhat.com>
2551 * dwarf2out.c (dbx_reg_number): Check return value from
2552 LEAF_REG_REMAP and only use it if it is valid.
2553 (multiple_reg_loc_descriptor): Likewise.
2555 2006-05-13 Richard Guenther <rguenther@suse.de>
2557 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2560 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2562 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2563 information attached to non-INSNs such as NOTEs.
2564 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2566 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2568 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2570 * config/s390/s390.md: Adjust comment describing On constraint.
2572 2006-05-11 Jan Hubicka <jh@suse.cz>
2574 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2575 to be output at -O0.
2577 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2580 * fold-const.c (size_binop): Move sanity check for arguments to
2581 the beginning of the function.
2584 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2587 2006-05-11 Richard Guenther <rguenther@suse.de>
2590 * fold-const.c (fold_unary): Handle intermediate conversion
2591 to a pointer type like intermediate conversion to an integer
2592 type in folding of (T1)(T2)var to var.
2593 Match the code to the comment in the final conversion for
2594 (T1)(T2)var to (T1)var regarding to type precision. Rather
2595 than disallow T1 being of pointer type, assert that both T1
2596 and var are of pointer type or not. Make sure not to fall
2597 over the frontends lazyness wrt array to pointer decay though.
2599 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2601 * arm.c (arm_struct_value_rtx): Delete.
2602 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2603 (arm_init_cumulative_args): Always initialize nregs to zero.
2605 2006-05-10 Richard Guenther <rguenther@suse.de>
2607 PR tree-optimization/27532
2608 * tree-object-size.c (plus_expr_object_size): Fix typo.
2610 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2613 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2614 ashrdi_const, ashrdi3): Use a scratch register.
2616 2006-05-10 Richard Guenther <rguenther@suse.de>
2618 PR tree-optimization/27302
2619 * fold-const.c (operand_equal_p): For two comparisons,
2620 try comparison of one comparison code swapped if that yields
2623 2006-05-10 Ben Elliston <bje@au.ibm.com>
2625 * tree-pretty-print.c (pretty_print_string): No need to handle
2626 '\0' as a special character.
2628 * tree.h: Include "hashtab.h".
2629 (iterative_hash_expr): Use hashval_t in its prototype.
2630 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2632 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2635 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2636 (hppa*64*-*-hpux11*): Ditto.
2637 (hppa[12]*-*-hpux11*): Ditto.
2639 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2642 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2644 2006-05-09 Michael Matz <matz@suse.de>
2646 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2647 host_extra_gcc_objs and host_xmake_file.
2648 (<*-*-linux*>): Don't overwrite host_xmake_file.
2649 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2650 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2651 (host_detect_local_cpu): Declare.
2652 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2653 * config/i386/i386.c (override_options): Handle -mtune=native
2655 * config/i386/x-i386: New file.
2656 * config/i386/driver-i386.c: New file.
2657 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2660 2006-05-09 Dirk Mueller <dmueller@suse.de>
2661 Richard Guenther <rguenther@suse.de>
2664 * fold-const.c (fold_read_from_constant_string): Relax check
2665 for matching types to matching modes.
2667 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2669 PR rtl-optimization/27335
2670 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2673 2006-05-08 Chao-ying Fu <fu@mips.com>
2674 Richard Sandiford <richard@codesourcery.com>
2676 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2677 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2678 * config/mips/mips.md (UNSPEC_SCC): New constant.
2679 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2680 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2681 (mips_emit_compare): Use it.
2682 (mips_expand_vcondv2sf): New function.
2684 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2686 Fix PR tree-optimization/27093
2687 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2688 renaming when they become not-used_alone.
2690 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2692 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2693 relocation and relocation stubs.
2695 2006-05-08 Eric Christopher <echristo@apple.com>
2697 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2700 2006-05-08 Jan Hubicka <jh@suse.cz>
2703 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2704 unused static functions are needed.
2706 2006-05-08 Roger Sayle <roger@eyesopen.com>
2709 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2710 of a reg_equiv_constant if the result is a legitimate constant.
2712 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2715 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2716 standard 80387 constants, raise the cost to prevent
2717 compress_float_constant() to generate load from memory.
2719 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2721 * config/arm/constraints.md (c): Fix a typo.
2723 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2726 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2729 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2731 (_mm_mwait): Likewise.
2733 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2735 (sse3_monitor): Make it 32bit only.
2736 (sse3_monitor64): New. 64bit monitor.
2738 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2741 * config/i386/i386.c (classify_argument): Skip fields with invalid
2744 2006-05-07 Richard Guenther <rguenther@suse.de>
2746 PR tree-optimization/27409
2747 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2748 Do not try to find zero-sized subvars.
2750 2006-05-07 Richard Guenther <rguenther@suse.de>
2752 PR tree-optimization/27136
2753 * tree-ssa-loop-niter.c (get_val_for): Correct function
2754 comment, assert requirements.
2755 (loop_niter_by_eval): Stop processing if the iterated
2756 value did not simplify.
2758 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2760 * opts.c (flag_see): remove its setting at -O3.
2762 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2764 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2765 * arm/constraints.md: New file.
2766 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2767 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2768 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2769 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2770 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2771 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2772 * arm.md: Include constraints.md.
2773 (thumb_movsi_insn): Use satisfies_constraint_J.
2774 (movhi, movqi): Use satisfies_constraint_I.
2776 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2778 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2779 for atmeg a645 device.
2781 2006-05-06 Richard Guenther <rguenther@suse.de>
2783 PR tree-optimization/27151
2784 * tree-vect-transform.c (vectorizable_condition): Punt on
2785 values that have a different type than the condition.
2787 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2790 * c-parser.c (c_parser_cast_expression): Only insert casts into
2791 hash table if pointer.
2792 * function.c (used_types_insert_helper): Rename from
2794 (used_types_insert): Call used_types_insert_helper.
2795 * function.h (used_types_insert): Accept only one argument.
2797 2006-05-05 David Edelsohn <edesohn@gnu.org>
2799 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2800 scratch with output modifier.
2802 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2805 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2806 with output modifier.
2808 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2811 * config/mips/mips.c (mips_symbolic_address_p): Return true
2812 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2813 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2815 2006-05-04 Richard Guenther <rguenther@suse.de>
2817 PR tree-optimization/14287
2818 PR tree-optimization/14844
2819 PR tree-optimization/19792
2820 PR tree-optimization/21608
2821 PR tree-optimization/27090
2822 * tree-ssa-pre.c (try_combine_conversion): New function.
2823 (compute_avail): After constructing the value-handle
2824 expression, use try_combine_conversion to combine NOP_EXPRs
2825 with previous value-handle expressions and use the result if it
2828 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2830 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2832 2006-05-04 Jan Hubicka <jh@suse.cz>
2835 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2837 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2839 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2840 that this only matches CONST_INTs. All users changed to VOIDmode
2843 * config/bfin/bfin.c: Include "optabs.h".
2844 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2846 (enum bfin_builtins): Add a number of fractional and vector builtins.
2847 (bfin_init_builtins): Likewise.
2848 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2849 (safe_vector_operand, bfin_expand_binop_builtin,
2850 bfin_expand_unop_builtin): New functions.
2851 (bfin_expand_builtin): Handle the new builtins.
2852 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2855 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2858 * Makefile.in (OBJS-common): Add see.o.
2859 (see.o): Add dependencies.
2860 * common.opt (fsee): New flag for the see optimization was added.
2861 * opts.c (flag_see): Initialized.
2862 * passes.c (init_optimization_passes, pass_see): New pass.
2863 * rtl.h (see_main): Declaration as extern.
2864 * timevar.def (TV_SEE): New.
2865 * tree-pass.h (pass_see): Declaration as extern.
2866 * invoke.texi (-fsee): Document.
2867 * recog.c (validate_simplify_insn): New function.
2868 * recog.h (validate_simplify_insn): Declaration as extern.
2869 * df-problems.c (df_chain_dump): Check for NULL.
2871 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2872 Daniel Berlin <dberlin@dberlin.org>
2874 * cfgrtl.c (insert_insn_bb_end_new): New function.
2875 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2877 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2879 * df.h (struct web_entry): Moved from web.c.
2880 (union_defs): Declaration as extern.
2881 (unionfind_root): Likewise.
2882 (unionfind_union): Likewise.
2883 * web.c (struct web_entry): Moved to df.h.
2884 (unionfind_root): Remove static declaration.
2885 (unionfind_union): Likewise.
2886 (union_defs): Likewise and generalize to use callback function.
2887 (web_main): Update arguments for union_defs function call.
2889 2006-05-04 Richard Guenther <rguenther@suse.de>
2891 PR tree-optimization/26447
2892 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2893 produce SSA_NAME copies before the store stmt to avoid
2894 breaking exception handling.
2896 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2899 * gimplify.c (omp_is_private): If var is shared in some outer context,
2900 return false instead of true. Stop searching on parallel context
2903 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2906 * coverage.c: Use get_gcov_unsigned_t() instead of
2907 unsigned_type_node all over.
2909 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2911 PR tree-optimization/27381
2912 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2913 maintain the same immediate_use links.
2914 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2915 node rather than segfaulting.
2917 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2920 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2921 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2922 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2924 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2926 Fix PR tree-optimization/26626
2927 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2929 * tree-ssa-operands.c (access_can_touch_variable): Allow
2930 typecasting through union pointers.
2932 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2935 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2936 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2937 to find if var will be a global variable even in the nested context.
2938 (omp_copy_decl): Only check for global variable at the end, it might
2939 be overridden in outer contexts.
2940 (scan_sharing_clauses): For global variables don't create a field.
2941 (lower_rec_input_clauses): Do nothing for global shared variables.
2942 Emit a barrier at the end of ILIST if there were any decls in both
2943 firstprivate and lastprivate clauses.
2944 (lower_send_clauses): Do nothing for global variables except for
2947 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2949 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2950 of the correct signedness is returned.
2952 2006-05-02 Jeff Law <law@redhat.com>
2954 PR tree-optimization/27364
2955 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2956 multiply expressions.
2958 2006-05-02 Tom Tromey <tromey@redhat.com>
2960 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2962 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2965 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2966 -mthumb -fPIC are used.
2968 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2969 Joshua Kinard <kumba@gentoo.org>
2972 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2973 with 64-bit pointers.
2975 2006-05-02 Paul Brook <paul@codesourcery.com>
2977 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2979 (create_fix_barrier): Check that a suitable barrier location is
2981 (arm_reorg): Include ftmp->address in allowable range of addresses.
2983 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2986 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2989 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2992 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2993 around RESULT_DECL for result passed by reference.
2994 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2995 * omp-low.c (use_pointer_for_field): Don't look at
2996 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2997 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2998 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2999 time or var for passing by reference for
3000 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3001 TREE_ADDRESSABLE variables when passing by reference.
3003 * omp-low.c (dump_omp_region): Fix output formatting.
3006 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3007 (expand_omp_parallel): Likewise.
3008 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3011 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3012 on statement list containing also constructors and destructors.
3013 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3016 * except.c (duplicate_eh_regions): Fix clearing of
3017 cfun->eh->region_array entries.
3019 2006-05-01 DJ Delorie <dj@redhat.com>
3021 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3023 (gcc_cv_objdump): Likewise.
3024 * configure: Regenerated.
3026 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3029 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3030 templates for case 3 and 4.
3032 2006-05-01 DJ Delorie <dj@redhat.com>
3034 * vec.c: Include bconfig.h when appropriate.
3035 * Makefile.in (build/vec.o): Adjust dependencies.
3036 * mkconfig.sh: Make sure config.h isn't used for build machine
3039 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3041 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3043 (mark_phi_for_rewrite): New function.
3044 (insert_phi_nodes_for, mark_use_interesting): Call
3045 mark_phi_for_rewrite.
3046 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3047 (update_ssa): Initialize and free phis_to_rewrite.
3049 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3051 PR rtl-optimization/27291
3052 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3053 folded to a constant.
3055 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3057 PR tree-optimization/27283
3058 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3059 not whole # of iteration descriptions.
3060 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3061 uses abnormal ssa name.
3062 (niter_for_single_dom_exit): Ditto.
3063 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3064 return just the number of iterations.
3066 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3068 PR tree-optimization/27144
3069 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3070 (record_estimate): Only record constant upper bound.
3071 (infer_loop_bounds_from_undefined): Call
3072 compute_estimated_nb_iterations just once.
3073 (proved_non_wrapping_p): Renamed to ...
3074 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3075 (convert_step_widening, scev_probably_wraps_p): Call
3076 n_of_executions_at_most instead of proved_non_wrapping_p.
3077 (substitute_in_loop_info): Do not replace values in bounds.
3078 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3081 2006-05-01 Richard Henderson <rth@redhat.com>
3084 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3085 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3088 2006-05-01 Roger Sayle <roger@eyesopen.com>
3090 * c-typeck.c (parser_build_binary_op): Don't call the function
3091 unsigned_conversion_warning to spot operand/result type overflow.
3092 (build_binary_op): Instead, call convert_and_check instead of
3093 convert to report the problem when the operands are promoted.
3094 * c-common.c (unsigned_conversion_warning): Make static.
3095 * c-common.h (unsigned_conversion_warning): Delete prototype.
3097 2006-05-01 Richard Guenther <rguenther@suse.de>
3099 PR tree-optimization/26726
3100 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3102 (find_interesting_uses_address): ... we work around here
3103 by folding INDIRECT_REFs in the substituted base.
3105 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3107 * omp-low.c (dump_omp_region): Add newlines.
3109 2006-04-30 Roger Sayle <roger@eyesopen.com>
3111 * common.opt (Woverflow): New command line option.
3112 * c-common.c (constant_expression_warning): Check warn_overflow.
3113 (overflow_waring): Pass OPT_Woverflow to warning.
3114 (unsigned_conversion_warning): Likewise.
3115 (convert_and_check): Likewise.
3116 * doc/invoke.texi: Document new command line option.
3118 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3120 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3121 TARGET_NO_FP_IN_TOC for section anchors.
3122 (optimization_options): Enable section anchors for all
3123 non-"Objective" languages.
3125 2006-04-28 Eric Christopher <echristo@apple.com>
3127 * config/darwin-c.c (darwin_ms_struct): Move this
3128 (darwin_set_default_type_attributes): and this...
3129 * config/darwin.c: ... here.
3130 * config/darwin.h (darwin_ms_struct): Declare.
3132 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3134 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3136 2006-04-28 Roger Sayle <roger@eyesopen.com>
3139 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3140 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3141 an unsigned HOST_WIDE_INT.
3142 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3144 (really_start_incremental_init): No need to call convert because
3145 bitsize_zero_node is already of type bitsizetype.
3146 (push_init_level): Extract the value of constructor_index as an
3147 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3148 (process_init_element): Likewise.
3150 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3152 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3153 value before passing to make_relative_prefix.
3155 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3158 * builtins.c (expand_builtin_memset): Expand val in original mode.
3160 2006-04-27 Eric Christopher <echristo@apple.com>
3162 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3163 with #ifndef/#endif.
3164 * config/darwin-c.c (darwin_ms_struct): New.
3165 (darwin_pragma_ms_struct): Ditto.
3166 (darwin_set_default_type_attributes): Ditto.
3167 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3168 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3169 Register ms_struct pragma.
3170 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3171 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3172 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3173 darwin_set_default_type_attributes if TARGET_MACHO.
3175 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3177 PR tree-optimization/26854
3178 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3179 * doc/tree-ssa.texi: Update immuse iterator documentation.
3180 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3181 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3182 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3183 first_safe_imm_use, next_safe_imm_use): Remove.
3184 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3185 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3186 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3187 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3188 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3189 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3190 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3191 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3192 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3193 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3194 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3195 (perfect_nestify): Use new iterator.
3196 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3198 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3199 (next_imm_name): New field in struct immediate_use_iterator_d.
3200 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3201 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3202 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3203 * tree-cfg.c (replace_uses_by): Use new iterator.
3204 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3205 * tree-ssa-operands.c (correct_use_link): Remove.
3206 (finalize_ssa_use_ops): No longer call correct_use_link.
3208 2006-04-27 Stuart Hastings <stuart@apple.com>
3210 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3211 * config/t-darwin (crt3.o): Use it.
3212 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3213 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3214 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3215 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3216 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3219 2006-04-27 Roger Sayle <roger@eyesopen.com>
3221 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3222 size, force the intermediate into a new pseudo rather instead of
3223 performing both a bitwise AND and a bitwise IOR in memory.
3225 2006-04-27 Richard Guenther <rguenther@suse.de>
3227 PR rtl-optimization/26685
3228 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3229 this one "max-flow-memory-locations".
3231 2006-04-27 Richard Guenther <rguenther@suse.de>
3233 PR tree-optimization/25148
3234 * tree-vrp.c (compare_values): Remove code dealing with
3235 comparisons against type min/max value. Honour overflow
3236 and negative constants in code dealing with comparisons
3237 of plus and minus expressions.
3238 (value_inside_range): Use fold_binary with LE_EXPR and
3239 GE_EXPR rather than compare_values.
3241 2006-04-27 Dirk Mueller <dmueller@suse.de>
3243 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3246 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3248 * basic-block.h (safe_insert_insn_on_edge): Removed.
3249 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3251 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3252 Paolo Bonzini <bonzini@gnu.org>
3255 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3256 (simplify_and_const_int): Same.
3258 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3260 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3262 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3265 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3266 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3267 cgraph_global_info_ready.
3270 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3273 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3274 either decl or init is error_mark_node.
3277 * tree-flow.h (struct omp_region): Add sched_kind.
3278 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3279 instead of extracting omp for data.
3280 (expand_omp_for): Save extracted sched_kind.
3282 2006-04-25 Roger Sayle <roger@eyesopen.com>
3284 * expmed.c (store_bit_field): Also check whether the bitsize is
3285 valid for the machine's "insv" instruction before moving the
3286 target into a pseudo for use with the insv.
3287 * config/i386/predicates.md (const8_operand): New predicate.
3288 * config/i386/i386.md (extv, extzv, insv): Use the new
3289 const8_operand predicate where appropriate.
3291 2006-04-25 DJ Delorie <dj@redhat.com>
3293 * doc/install.texi (Specific): Clarify that this is not a list of
3294 supported hosts or targets.
3296 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3298 PR rtl-optimization/26725
3299 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3300 block's BB_DIRTY flag.
3302 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3304 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3307 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3308 to print an integer.
3310 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3312 * varasm.c (align_variable): New function.
3313 (get_block_for_decl): Apply align_variable to DECL before
3314 calculating section information.
3315 (assemble_variable): Split out alignment computation.
3317 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3319 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3322 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3324 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3325 MODE_PARTIAL_INT mode.
3326 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3327 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3329 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3330 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3332 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3334 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3336 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3337 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3338 MACFLAG_IH): Likewise.
3339 (movstricthi_1): Renamed from "*movstricthi".
3340 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3341 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3342 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3343 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3344 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3345 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3346 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3347 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3348 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3349 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3350 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3351 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3352 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3353 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3354 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3356 * doc/rtl.texi (ss_ashift): Improve wording.
3358 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3360 * dwarf2out.c (verify_marks_clear): New.
3361 (prune_unused_types): Call verify_marks_clear initially, not
3364 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3366 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3367 * doc/rtl.texi: Document them.
3368 * simplify-rtx.c (simplify_unary_operation,
3369 simplify_binary_operation_1): Don't abort when we see them.
3371 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3374 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3375 * configure.ac: Completely disregard languages that are not
3377 * configure: Regenerated.
3379 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3380 Richard Guenther <rguenther@suse.de>
3382 PR tree-optimization/27236
3383 * tree-inline.c (copy_body_r): Make sure to copy
3384 TREE_THIS_VOLATILE flag.
3386 2006-04-24 Richard Guenther <rguenther@suse.de>
3389 * tree-complex.c (update_parameter_components): Don't handle
3390 unused parameters which have no default def.
3392 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3393 Richard Guenther <rguenther@suse.de>
3395 PR tree-optimization/27218
3396 * tree-inline.c (expand_call_inline): Strip useless type
3397 conversions for the return slot address.
3399 2006-04-24 Richard Guenther <rguenther@suse.de>
3401 * cfgloop.h (struct loops): Remove unused field array. Reorder
3403 (LOOP_PREFETCH): Remove.
3405 2006-04-24 Richard Guenther <rguenther@suse.de>
3407 PR tree-optimization/22525
3408 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3409 variable, adjust types of generated expressions.
3411 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3413 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3414 (tree-vect-patterns.o): Likewise.
3416 (cselib.o): Likewise.
3417 (loop-doloop.o): Likewise.
3418 (regclass.o): Likewise.
3419 (reload1.o): Likewise.
3420 (explow.o): Replace target.h with $(TARGET_H).
3421 (ipa-prop.o): Likewise.
3422 (ipa-cp.o): Likewise.
3423 (ipa-inline.o): Likewise.
3424 (reorg.o): Likewise.
3425 (reg-stack.o): Likewise.
3427 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3429 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3431 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3433 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3435 * configure.ac: Completely disregard languages that are not
3437 * configure: Regenerated.
3440 * c-common.h (c_build_bitfield_integer_type): Declare.
3441 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3442 * c-common.c (c_build_bitfield_integer_type): ... here.
3444 2006-04-23 Roger Sayle <roger@eyesopen.com>
3447 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3448 a SImode SUBREG of a floating point register after no_new_pseudos.
3450 2006-04-23 Roger Sayle <roger@eyesopen.com>
3452 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3453 identify potentially eliminable registers to additionally catch
3454 VIRTUAL_INCOMING_ARGS_REGNUM.
3455 (addsi3): Update the conditions on when to use addsi_small_int.
3457 2006-04-23 Roger Sayle <roger@eyesopen.com>
3460 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3461 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3462 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3464 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3466 * fold-const.c (range_predecessor): Use operand_equal_p
3467 as the predicate for equality.
3468 (range_successor): Likewise.
3470 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3473 * config/soft-fp/op-common.h: Fix a typo.
3475 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3478 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3479 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3481 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3483 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3485 * doc/tm.texi: Fix a typo.
3487 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3489 * dwarf2out.c (struct die_struct): Document that die_sib makes
3490 a circular linked list.
3491 (FOR_EACH_CHILD): New.
3492 (reverse_die_lists): Delete.
3493 (reverse_all_dies): Delete.
3494 (add_dwarf_attr): Correct documentation.
3495 (remove_child_with_prev): New.
3496 (remove_child_TAG): Update for change to die_struct, use
3497 remove_child_with_prev.
3498 (add_child_die): Update for change to die_struct.
3499 (splice_child_die): Use remove_child_with_prev and add_child_die.
3500 (print_die): Use FOR_EACH_CHILD.
3501 (die_checksum): Likewise.
3502 (assign_symbol_names): Likewise.
3503 (output_location_lists): Likewise.
3504 (build_abbrev_table): Likewise.
3505 (calc_die_sizes): Likewise.
3506 (mark_dies): Likewise.
3507 (unmark_dies): Likewise.
3508 (unmark_all_dies): Likewise.
3509 (output_die): Likewise.
3510 (prune_unused_types_mark): Likewise.
3511 (prune_unused_types_walk): Likewise.
3512 (same_die_p): Update for change to die_struct.
3513 (break_out_includes): Likewise.
3514 (prune_unused_types_prune): Likewise.
3515 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3516 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3518 (dwarf2out_finish): Don't call reverse_all_dies.
3520 2006-04-21 Eric Christopher <echristo@apple.com>
3522 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3523 in comments and function names.
3525 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3528 * c-typeck.c (digest_init): Robustify.
3530 * c-typeck.c (pop_init_level): Simplify.
3532 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3534 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3536 2006-04-21 Paul Brook <paul@codesourcery.com>
3538 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3539 hardware floating point.
3541 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3543 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3546 2006-04-21 Nick Clifton <nickc@redhat.com>
3548 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3551 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3554 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3555 C++ lang type in traceback table for Objective-C++.
3557 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3559 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3561 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3563 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3566 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3567 were errors. Remove check for erroneous objects.
3569 2006-04-20 Jeff Law <law@redhat.com>
3571 PR tree-optimization/26854
3572 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3573 checking for zero or one use.
3574 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3575 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3576 * tree-ssa-reassoc.c (negate_value): Similarly.
3577 (reassociate_bb): Similarly.
3579 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3581 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3582 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3583 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3585 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3587 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3588 fp regs if the last fp arg doesn't fit in regs.
3590 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3593 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3594 that the last insn has the REG_INC note.
3596 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3597 Nathan Sidwell <nathan@codesourcery.com>
3600 * stor-layout.c (update_alignment_for_field): Do not align
3602 (place_union_field): Place union field at the start of the union.
3603 (place_field): Move ERROR_MARK check later, and use the current
3604 allocation position to maintain monotonicity.
3606 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3608 * dominance.c: Include timevar.h.
3609 (calculate_dominance_info): Use TV_DOMINANCE.
3610 * timevar.def (TV_DOMINANCE): New timevar.
3611 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3613 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3615 PR rtl-optimization/14261
3616 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3617 move would be an INSV insn.
3618 (noce_process_if_block): Don't optimize if the destination is a
3619 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3621 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3623 * config/s390/s390.md: Add comments with the instructions emitted
3624 by an insn pattern if macros are used.
3626 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3628 PR rtl-optimization/26026
3629 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3630 is a known power of two shifted left a variable amount.
3632 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3634 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3635 to hash table twice when the debug_str section has SECTION_MERGE.
3637 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3639 * config/soft-fp: New directory. From glibc.
3640 * config/soft-fp/t-softfp: New.
3641 * config/soft-fp/README: New.
3642 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3643 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3644 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3645 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3646 * config.gcc: Use rs6000/t-fprules-fpbit or
3647 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3649 * config/rs6000/sfp-machine.h: New. Based on glibc.
3650 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3652 * config/rs6000/t-fprules: Remove fp-bit rules.
3653 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3654 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3655 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3656 (softfp_wrap_start, softfp_wrap_end): New.
3658 2006-04-18 DJ Delorie <dj@redhat.com>
3660 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3662 2006-04-18 Devang Patel <dpatel@apple.com>
3664 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3666 2006-04-18 Nick Clifton <nickc@redhat.com>
3668 * config/sh/t-symbian: Add rule to build sh-c.o
3669 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3670 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3671 (sh_symbian_encode_section_info): Likewise.
3673 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3675 * builtins.c (expand_builtin_strcmp): Cover label definition of
3676 do_libcall with HAVE_cmpstrnsi.
3678 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3680 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3682 * function.h (temp_slot_p): New.
3683 (function): Change the type of x_used_temp_slots to
3684 VEC(temp_slot_p,gc) *.
3686 2006-04-18 Nick Clifton <nickc@redhat.com>
3688 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3689 flag_strength_reduce.
3691 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3693 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3697 Partial revert of revision 112637
3698 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3699 Dale Johannesen <dalej@apple.com>
3702 * regclass.c (struct reg_pref): Update documentation.
3703 (regclass): Set prefclass to NO_REGS if memory is the best option.
3704 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3706 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3708 PR tree-optimization/26821
3709 * tree-ssa-math-opts.c (get_constant_one): New.
3710 (insert_reciprocals): Use it.
3712 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3714 * dwarf2out.c (free_AT): Delete.
3715 (remove_AT): Update string ref counts.
3716 (remove_child_TAG): Don't call free_die.
3718 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3719 or DW_TAG_GNU_EINCL.
3720 (prune_unused_types_walk_attribs): Reset string refcounts.
3721 (prune_unused_types_update_strings): New.
3722 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3723 call free_die. Do call prune_unused_types_update_strings.
3724 (prune_unused_types): Empty debug_str_hash.
3726 2006-04-17 Roger Sayle <roger@eyesopen.com>
3728 * expr.c (expand_assignment): Optimize away no-op moves where the
3729 source and destination are equal and have no side-effects.
3731 2006-04-17 Richard Guenther <rguenther@suse.de>
3734 * reload.c (push_reload): Guard calls to get_secondary_mem
3737 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3739 * alias.c (reg_base_value, old_reg_base_value): Change the
3740 type to VEC(rtx,gc) *.
3741 (REG_BASE_VALUE, find_base_value, record_set,
3742 init_alias_analysis): Use VEC instead of VARRAY.
3744 * alias.c (alias_sets): Change the type to
3745 VEC(alias_set_entry,gc) *.
3746 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3747 VEC instead of VARRAY.
3748 (last_alias_set): Remove.
3750 * cgraph.h (cgraph_edge_p): New.
3751 Update the prototype of cgraph_function_versioning.
3752 * cgraphunit.c (cgraph_copy_node_for_versioning,
3753 cgraph_function_versioning): Use VEC instead of VARRAY.
3754 * ipa-cp.c (ipcp_insert_stage): Likewise.
3756 2006-04-16 Roger Sayle <roger@eyesopen.com>
3759 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3760 "A op B" or "A op C", we may need to convert A to the type of B and C.
3762 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3764 * target.h (struct gcc_target): Add mode_rep_extended.
3765 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3766 (init_num_sign_bit_copies_in_rep): Initialize it using
3768 (truncate_to_mode): Use it.
3769 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3770 * targhooks.h (default_mode_rep_extended): Declare it.
3771 * targhooks.c (default_mode_rep_extended): Define it.
3772 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3773 default_mode_rep_extended.
3774 (TARGET_INITIALIZER): Include it.
3775 * doc/tm.texi (Misc): Document it.
3776 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3777 (mips_truncated_to_mode): New function.
3779 2006-04-16 Roger Sayle <roger@eyesopen.com>
3782 * expr.c (compress_float_constant): Copy the narrow constant into
3783 a new pseudo before extending it to its final width.
3785 2006-04-16 Roger Sayle <roger@eyesopen.com>
3786 Andrew Pinski <pinskia@gcc.gnu.org>
3787 Dale Johannesen <dalej@apple.com>
3790 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3791 special case code to implement V8HImode and V16QImode with SSE2.
3793 2006-04-15 Roger Sayle <roger@eyesopen.com>
3795 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3796 trees are constructed with a suitable tree type.
3798 2006-04-15 Roger Sayle <roger@eyesopen.com>
3800 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3801 (integer_onep): Likewise.
3802 (integer_all_onesp): Likewise.
3803 (integer_pow2p): Likewise.
3804 (integer_nonzerop): Likewise.
3805 (real_zerop): Likewise.
3806 (real_onep): Likewise.
3807 (real_twop): Likewise.
3808 (real_minus_onep): Likewise.
3809 (int_size_in_bytes): Likewise.
3810 (host_integerp): Likewise.
3812 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3814 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3815 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3816 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3818 * tree-ssa-structalias.h (alias_info): Remove num_references.
3820 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3822 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3823 (output_bvb patterns): Likewise.
3824 * pa.c (output_bb): Use 'bb' insn for long branch case.
3825 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3826 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3827 1. Correct length operand for alternatives 1 and 2.
3828 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3829 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3831 2006-04-14 Roger Sayle <roger@eyesopen.com>
3833 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3834 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3835 were accidentally reverted by r112959.
3837 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3840 * except.h (eh_region_outermost): New prototype.
3841 * except.c (eh_region_outermost): New function.
3842 * tree-cfg.c (find_outermost_region_in_block): Use it.
3844 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3846 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3848 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3849 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3850 (init_reload, reload): Use VEC instead of VARRAY.
3851 * reload.h: Update the prototype for
3852 reg_equiv_memory_loc_varray.
3854 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3855 Eric Botcazou <ebotcazou@libertysurf.fr>
3857 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3860 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3863 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3864 to expand fallback builtin function call.
3866 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3869 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3870 and emit libcall here in case the builtin fails.
3871 (expand_builtin_strcmp): Always emit the libcall here on failure.
3873 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3875 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3876 * flow.c (reg_n_info): Change the type to
3877 VEC(reg_info_p,heap) *.
3878 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3880 * regs.h (reg_info_p): New.
3881 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3882 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3883 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3886 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3888 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3890 * params.h (MAX_SCHED_READY_INSNS): New macro.
3891 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3892 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3893 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3894 the ready list for 1 cycle during the first scheduling pass.
3895 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3897 2006-04-13 Richard Henderson <rth@redhat.com>
3900 * gimple-low.c (lower_omp_directive): Remove dead code.
3901 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3902 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3903 * omp-low.c (struct omp_region): Move to tree-flow.h.
3904 (root_omp_region): Export.
3905 (omp_regions, lookup_omp_region): Remove.
3906 (determine_parallel_type): Update for struct omp_region changes.
3907 (dump_omp_region): Dump regions with block numbers.
3908 (new_omp_region): Take type and block instead of stmt; malloc
3910 (free_omp_region_1, free_omp_regions): New.
3911 (expand_parallel_call): Take entry_stmt as argument; update for
3912 changes to omp_region.
3913 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3914 (remove_exit_barriers): New.
3915 (expand_omp_parallel): Update for struct omp_region changes.
3916 (expand_omp_synch): Likewise.
3917 (expand_omp): Likewise.
3918 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3919 (expand_omp_for_static_chunk): Likewise.
3920 (expand_omp_for): Likewise.
3921 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3922 (expand_omp_sections): Similarly, with GOMP_sections_end.
3923 (expand_omp_single): New.
3924 (build_omp_regions_1): Update for OMP_CONTINUE.
3925 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3926 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3927 OMP_SECTIONS_SECTIONS.
3928 (lower_omp_single_simple): Don't emit barrier here.
3929 (lower_omp_single_copy): Likewise.
3930 (lower_omp_single): Fix bindings, and lower to straightline now.
3931 (lower_omp_master, lower_omp_ordered): Likewise.
3932 (lower_omp_critical): Likewise.
3933 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3934 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3935 omp edges, free it afterward.
3936 (make_omp_sections_edges): Remove.
3937 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3938 (move_stmt_r): Handle OMP_CONTINUE.
3939 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3940 statement pointers to basic blocks. Add type member.
3941 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3942 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3943 * tree-inline.c (estimate_num_insns_1): Likewise.
3944 * tree-pretty-print.c (dump_generic_node): Likewise.
3945 * tree-ssa-operands.c (get_expr_operands): Likewise.
3946 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3947 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3948 (OMP_CONTINUE): New.
3949 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3950 (OMP_SECTIONS_SECTIONS): Remove.
3951 (OMP_SECTION_LAST): New.
3952 (OMP_RETURN_NOWAIT): New.
3954 2006-04-13 Roger Sayle <roger@eyesopen.com>
3956 * fold-const.c (native_encode_vector, native_interpret_real):
3957 Correct obvious mistakes in the previous check-in.
3959 2006-04-13 Roger Sayle <roger@eyesopen.com>
3961 * fold-const.c (native_encode_expr): New function to encode
3962 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3963 or VECTOR_CST into a specified buffer.
3964 (native_encode_int): New function.
3965 (native_encode_real): New function.
3966 (native_encode_complex): New function.
3967 (native_encode_vector): New function.
3968 (native_interpret_expr): Inverse of native_encode_expr to convert
3969 a target representation into an INTEGER_CST, REAL_CST etc...
3970 (native_interpret_int): New function.
3971 (native_interpret_real): New function.
3972 (native_interpret_complex): New function.
3973 (native_interpret_vector): New function.
3974 (fold_view_convert_expr): New function to constant fold/evaluate
3975 a VIEW_CONVERT_EXPR of a suitable constant expression.
3976 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3977 Change call of build1 to fold_build1 when constructing a
3980 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3981 Ulrich Weigand <uweigand@de.ibm.com>
3984 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3987 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3990 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3991 optimize to lo_sum for DFmode if !TARGET_FPRS.
3993 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3995 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3996 delete_alias_info, compute_flow_sensitive_aliasing,
3997 group_aliases): Use VEC instead of VARRAY.
3998 * tree-ssa-structalias.c (update_alias_info): Likewise.
3999 * tree-ssa-structalias.h (alias_info): Change the type of
4000 processed_ptrs to VEC(tree,heap) *.
4002 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4005 * config/sh/lib1funcs.h: New file, broken out of:
4006 * config/sh/lib1funcs.asm.
4007 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4009 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4010 * config/sh/lib1funcs-Os-4-200.asm: New file.
4011 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4012 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4013 (EXTRA_MULTILIB_PARTS): Include it.
4014 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4015 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4016 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4017 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4020 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4022 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4023 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4024 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4026 * tree-ssa-live.h: Include vecprim.h.
4027 (tree_partition_associator_d): Change the type of
4028 first_partition to VEC(int,heap) *.
4029 (tpa_first_partition): Use VEC instead of VARRAY.
4031 * Makefile.in (GTFILES): Move functions.h after tree.h.
4032 * function.c (reset_block_changes, record_block_change,
4033 check_block_change, free_block_changes): Use VEC instead of
4035 * function.h (function): Change the type of
4036 ib_boundaries_block to VEC(tree,gc) *.
4037 * tree-inline.c (copy_cfg_body): Initialize
4038 ib_boundaries_block to NULL instead of (varray_type) 0.
4040 2006-04-12 Roger Sayle <roger@eyesopen.com>
4042 * expr.c (emit_group_store): Correct operand order in call to
4043 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4044 a SUBREG_BYTE of zero.
4046 2006-04-12 Richard Guenther <rguenther@suse.de>
4048 * profile.c (compute_branch_probabilities): Remove code
4049 encapsulated in !ir_type (), which are remanents of the
4050 removed RTL profiling code.
4051 * rtl-profile.c: Remove.
4053 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4055 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4056 magic NULL_RTX comment.
4057 (function_arg): Store entire fp arg to mem if any part should go
4059 (rs6000_arg_partial_bytes): Adjust for above change.
4061 2006-04-11 Roger Sayle <roger@eyesopen.com>
4063 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4064 if it hasn't been initialized by dwarf2out_init.
4066 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4068 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4069 symbolic constants in branch patterns.
4071 2006-04-11 Roger Sayle <roger@eyesopen.com>
4073 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4075 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4077 PR rtl-optimization/27073
4078 * gcse.c (try_replace_reg): Revert last change. Continue to search
4079 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4082 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4084 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4085 aggregate types other than record and union types.
4086 (function_arg): Likewise.
4087 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4089 (function_value): In 64-bit mode, return objects that require it
4092 2006-04-11 Roger Sayle <roger@eyesopen.com>
4094 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4096 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4098 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4100 2006-04-03 Jeff Law <law@redhat.com>
4103 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4104 alias information too.
4106 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4108 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4110 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4113 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4114 (premark_used_types_helper): New.
4115 (premark_used_types): New.
4116 (gen_subprogram_die): Call premark_used_types.
4117 (prune_unused_types_walk): Do not prune perennial dies.
4118 * function.c (used_types_insert): New.
4119 * function.h (struct function): Add used_types_hash field.
4120 (used_types_insert): Add prototype.
4121 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4122 * c-parser.c (c_parser_cast_expression): Save casted types in used
4125 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4128 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4129 rs6000_explicit_options.float_gprs.
4131 2006-04-10 Roger Sayle <roger@eyesopen.com>
4133 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4134 from ix86_expand_vector_init_low_nonzero. Take an additional
4135 one_var argument indicating which element is non-zero. Support
4136 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4137 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4138 with one_var instead of ix86_expand_vector_init_low_nonzero.
4140 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4142 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4143 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4144 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4145 build/genextract.o): Depend on vecprim.h.
4146 * cfglayout.c, df-problems.c, function.c, genextract.c,
4147 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4148 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4152 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4154 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4155 Declare VECs of this type.
4156 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4157 (remove_children): Delete.
4158 (add_dwarf_attr): Use VEC routines.
4159 (add_AT_flag): Update for changes to add_dwarf_attr.
4160 (add_AT_int): Likewise.
4161 (add_AT_unsigned): Likewise.
4162 (add_AT_long_long): Likewise.
4163 (add_AT_vec): Likewise.
4164 (add_AT_string): Likewise.
4165 (add_AT_die_ref): Likewise.
4166 (add_AT_fde_ref): Likewise.
4167 (add_AT_loc): Likewise.
4168 (add_AT_loc_list): Likewise.
4169 (add_AT_addr): Likewise.
4170 (add_AT_lbl_id): Likewise.
4171 (add_AT_lineptr): Likewise.
4172 (add_AT_macptr): Likewise.
4173 (add_AT_offset): Likewise.
4174 (add_AT_range_list): Likewise.
4175 (get_AT): Use VEC_iterate.
4176 (remove_AT): Use VEC_ordered_remove.
4177 (free_die): Fold remove_children into here; have it use VEC_iterate.
4178 (print_die): Use VEC_iterate on attrs.
4179 (reverse_die_lists): Don't reverse attr lists.
4180 (die_checksum): Use VEC_iterate on attrs.
4181 (same_die_p): Likewise.
4182 (output_location_lists): Likewise.
4183 (build_abbrev_table): Likewise.
4184 (size_of_die): Likewise.
4185 (unmark_all_dies): Likewise.
4186 (output_abbrev_section): Likewise.
4187 (output_die): Likewise.
4188 (prune_unused_types_walk_attribs): Likewise.
4190 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4192 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4194 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4197 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4199 2006-04-09 Roger Sayle <roger@eyesopen.com>
4201 * expr.c (store_constructor): Don't bother clearing target if
4202 we're about to assign a vector to it using vec_init_optab.
4204 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4206 * tree-ssa-alias.c (lhs_may_store_to): New function.
4207 (recalculate_used_alone): Handle LHS of calls.
4209 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4213 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4214 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4215 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4216 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4217 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4218 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4219 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4220 stubs. Add ".align 8" directives before all ".dword" directives.
4221 (GTHREAD_USE_WEAK): Revise comment.
4222 (TARGET_ATTRIBUTE_WEAK): Define.
4223 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4224 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4225 * stublib.c: New file.
4230 * pa.md (cbranch patterns): Revise arguments used in calls to
4231 output_cbranch, output_bb and output_bvd. Add long branch length
4233 (fbranch patterns): Handle long branches.
4234 (jump): Revise length check. Revise arguments for output_lbranch call.
4235 Add long branch length attributes.
4236 (decrement_and_branch_until_zero): Add long branch length attributes.
4237 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4238 Likewise. Revise arguments for output_parallel_addb and
4239 output_parallel_movb calls.
4240 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4241 output_parallel_movb and output_parallel_addb): Update prototypes.
4242 * pa.c (output_cbranch): Revise arguments. Correct handling of
4243 nullification in long branches.
4244 (output_lbranch): Add new argument to control extraction of delay
4246 (output_bb): Handle long branches.
4247 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4248 output_parallel_addb): Likewise.
4250 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4252 PR rtl-optimization/27073
4253 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4256 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4258 * tree.h (tree_memory_tag): Add old_used_alone.
4259 (SMT_OLD_USED_ALONE): New macro.
4260 * tree-ssa-alias.c (recalculate_used_alone): Stop
4261 marking things for renaming unnecessarily.
4263 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4265 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4266 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4267 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4268 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4269 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4270 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4271 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4272 spelling convensions.
4273 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4274 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4275 typos. Follow spelling conventions.
4277 2006-04-07 DJ Delorie <dj@redhat.com>
4279 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4280 passed on the stack.
4281 (m32c_init_cumulative_args): When a function returns a structure,
4282 always pass the pointer to that return area on the stack.
4283 (m32c_function_arg_advance): Don't increment the parameter number
4284 if we're processing the returned structure pointer.
4285 (pushm_info): Reverse order of registers.
4287 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4289 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4290 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4291 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4292 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4294 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4295 chrec_fold_multiply): Same.
4296 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4297 force_expr_to_var_cost): Same.
4298 * tree-mudflap.c (mf_xform_derefs_1): Same.
4299 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4301 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4303 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4304 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4307 2006-04-07 Jan Hubicka <jh@suse.cz>
4309 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4311 2006-04-07 Richard Guenther <rguenther@suse.de>
4313 PR tree-optimization/26135
4314 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4315 loads for store copy-prop.
4316 (copy_prop_visit_stmt): Likewise.
4318 2006-04-05 Robert Millan <robertmh@gnu.org>
4320 * config/i386/linux.h: Add a comment to mark macros that are
4321 being overriden in config/k*bsd-gnu.h.
4322 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4324 * config/knetbsd-gnu.h: Ditto.
4326 2006-04-06 Jan Hubicka <jh@suse.cz>
4330 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4333 2006-04-06 Mike Stump <mrs@apple.com>
4335 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4336 for HAVE_nonlocal_goto to be consistent.
4337 (expand_builtin_nonlocal_goto): Likewise.
4338 (expand_builtin_strcmp): Use #ifdef instead of #if
4339 for HAVE_cmpstrnsi to be consistent.
4341 2006-04-05 DJ Delorie <dj@redhat.com>
4343 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4346 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4348 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4349 got-relative addressing for anything but SImode.
4351 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4352 even if the calling function doesn't modify them.
4354 2006-04-05 Richard Guenther <rguenther@suse.de>
4356 PR tree-optimization/26919
4357 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4358 to cgraph_estimate_size_after_inlining.
4360 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4362 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4364 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4366 PR tree-optimization/26996
4367 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4368 VECTOR_TYPE variables.
4370 2006-04-05 Richard Guenther <rguenther@suse.de>
4372 PR tree-optimization/26763
4373 * fold-const.c (fold_comparison): Move folding of
4374 PTR + CST CMP PTR + CST ...
4375 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4377 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4379 * doc/install.texi (Prerequisites): Refine some wording on
4380 bootstrapping and ksh.
4381 Move the version numbers of DejaGnu here from the testing section
4382 and fix casing of names.
4383 Fix markup and clarify wording for autogen requirements.
4384 Refer to GCJ instead of just java.
4385 Refer to SVN instead of CVS.
4386 Describe diffutils as useful instead of necessary.
4387 (Downloading the source): Refer to SVN instead of CVS.
4388 Adjust a link to our web site accordingly.
4389 (Configuration): Fix casing of Bison.
4390 (Building): Refer to SVN instead of CVS.
4391 Fix a sentence on the use of Bison and remove duplicate (and
4392 incorrect) version number of Bison requirement.
4393 Remove one redundant list of packages needed for building.
4394 (Specific): Avoid reference to CVS.
4396 2006-04-04 Eric Christopher <echristo@apple.com>
4398 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4399 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4400 (rs6000_handle_struct_attribute): New.
4401 (rs6000_ms_bitfield_layout_p): Ditto.
4403 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4405 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4406 NULL for dso parameter to atexit_common.
4408 2006-04-04 Eric Christopher <echristo@apple.com>
4410 * config/i386/i386.c (machopic_output_stub): Output \t
4411 between instructions and operands.
4413 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4415 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4416 satisfies_constraint_[IL] to explicit tests on value.
4418 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4420 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4421 set_nb_iterations_in_loop): Use build_int_cst instead of
4423 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4424 build_int_cst instead of convert.
4426 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4428 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4429 new value 2 for incoming.
4430 * function.c (expand_function_start): Call struct_value_rtx
4432 * config/sparc/sparc.md: Comment updated_return.
4433 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4434 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4435 struct return if sparc_std_struct_return and incoming is 2.
4436 (print_operand): Do not adjust return if
4437 sparc_std_struct_return.
4439 2006-04-04 Roger Sayle <roger@eyesopen.com>
4441 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4442 convert in the middle-end.
4443 * expr.c (store_expr, store_constructor, get_inner_reference,
4444 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4446 * tree.c (build_range_type): Likewise.
4448 2006-04-04 Tom Tromey <tromey@redhat.com>
4450 * doc/install.texi (Prerequisites): Mention jar.
4452 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4454 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4457 2006-04-04 Matthias Klose <doko@debian.org>
4459 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4460 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4463 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4465 * doc/extend.texi (Function Attributes): Rewrite visibility
4466 attribute documentation.
4467 * doc/invoke.texi (C++ Dialect Options): Rewrite
4468 -fvisibility-inlines-hidden documentation to describe something
4469 entirely different, although in practise compatible.
4470 (Code Gen Options): Warn about system headers in -fvisibility=
4473 * doc/extend.texi (Other Builtins): Document that
4474 __builtin_nan is a compile-time constant only when its argument
4477 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4479 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4480 trying to remove TRUNCATE check if all bits outside the new mode
4481 are identical to the sign bit.
4483 2006-04-03 Jeff Law <law@redhat.com>
4485 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4486 and operand scanning in some common cases.
4488 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4489 Dale Johannesen <dalej@apple.com>
4492 * regclass.c (struct reg_pref): Update documentation.
4493 (regclass): Set prefclass to NO_REGS if memory is the best option.
4494 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4495 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4496 into account. For non-registers, equate an empty preferred
4497 reload class to a `!' in the constraint; move the if clause to
4498 do so after those that reject the insn.
4499 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4501 (find_dummy_reload): Likewise.
4502 * doc/tm.texi (Register Classes): Document what it means
4503 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4504 * config/i386/i386.c (ix86_preferred_reload_class): Force
4505 using SSE registers (and return NO_REGS for floating-point
4506 constants) if math is done with SSE.
4507 (ix86_preferred_output_reload_class): New.
4508 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4509 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4510 * config/i386/i386.md: Remove # register preferences.
4512 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4515 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4516 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4517 the type of nb_iter.
4518 (instantiate_parameters_1): Convert the operands before calling
4519 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4520 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4522 2006-04-02 Roger Sayle <roger@eyesopen.com>
4524 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4525 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4527 * dojump.c (do_jump): Likewise.
4528 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4529 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4530 gimplify_boolean_expr): Likewise.
4531 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4532 * varasm.c (array_size_for_constructor): Likewise.
4533 * tree-object-size.c (compute_object_offset): Likewise.
4535 2006-04-02 Roger Sayle <roger@eyesopen.com>
4538 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4539 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4541 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4543 PR tree-optimization/26939
4544 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4546 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4548 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4549 at_stmt. Convert the type of operands before calling
4550 build_polynomial_chrec.
4551 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4553 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4554 (instantiate_parameters_1): Convert the type of operands before calling
4555 build_polynomial_chrec.
4556 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4557 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4558 reset_evolution_in_loop): Insert asserts to check the types of the
4560 (chrec_type): Moved...
4561 (eq_evolutions_p): Use operand_equal_p.
4562 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4563 the types of the operands.
4564 (chrec_type): ...here.
4565 * tree-data-ref.c (create_data_ref): Convert the operands before
4566 calling chrec_replace_initial_condition.
4567 (same_access_functions, analyze_subscript_affine_affine,
4568 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4569 (compute_subscript_distance, analyze_ziv_subscript,
4570 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4571 analyze_miv_subscript): Convert the operands before calling
4572 chrec_fold_minus or chrec_fold_plus.
4574 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4576 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4577 the dependence_relations vector.
4578 (compute_data_dependences_for_loop): Adjust call to
4579 compute_all_dependences.
4581 2006-04-01 Roger Sayle <roger@eyesopen.com>
4582 Richard Henderson <rth@redhat.com>
4584 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4585 gimple_boolify on the condition before calling gimplify_expr.
4587 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4589 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4590 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4591 the frame size. Update to use the new macros.
4592 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4593 * config/xtensa/ieee754-df.S: Likewise.
4595 2006-03-31 Richard Henderson <rth@redhat.com>
4597 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4598 (make_edges): ... here. Control fallthru creation with a local
4599 variable. Do not play with fake edges.
4600 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4601 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4604 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4606 * dwarf2.h (DW64_CIE_ID): Define.
4607 * dwarf2out.c (DWARF_CIE_ID): Define.
4608 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4609 length header. Use DWARF_CIE_ID.
4610 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4611 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4613 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4615 * config/sh/linux-atomic.asm: New file.
4616 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4618 2006-03-31 DJ Delorie <dj@redhat.com>
4620 * config/m32c/cond.md: Set condition flags properly throughout.
4621 * config/m32c/minmax.md: Likewise.
4622 * config/m32c/prologue.md: Likewise.
4623 * config/m32c/bitops.md: Likewise.
4624 * config/m32c/muldiv.md: Likewise.
4625 * config/m32c/mov.md: Likewise.
4626 * config/m32c/addsub.md: Likewise.
4627 * config/m32c/m32c.md: Likewise.
4628 * config/m32c/jump.md: Likewise.
4629 * config/m32c/shift.md: Likewise.
4631 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4632 conditionally output the pattern for this.
4633 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4634 (m32c_compare_redundant): New.
4635 (m32c_output_compare): New.
4636 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4638 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4639 dest, not src. Allow other 4-byte modes.
4641 2006-03-30 Denis Chertykov <denisc@overta.ru>
4643 * doc/md.texi: Refer to avr/constraints.md instead of
4646 2006-03-30 Roger Sayle <roger@eyesopen.com>
4648 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4649 signed vs. unsigned comparison failures on some hosts.
4651 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4654 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4655 change to FLOAT_REGS.
4657 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4658 (rs6000_override_options): Use it.
4659 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4660 only for -mabi=spe/no-spe and -mabi=altivec.
4662 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4664 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4667 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4669 * Makefile.in: Rename docdir to gcc_docdir.
4671 2006-03-30 Roger Sayle <roger@eyesopen.com>
4674 * expr.c (emit_group_store): Optimize group stores into a pseudo
4675 register by using a paradoxical subreg to initialize the destination
4676 if the first or last member of the group specifies a "low part".
4678 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4681 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4682 * target.h (struct gcc_target.speculate_insn): Change type of the
4683 second parameter to 'int'.
4684 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4685 the second operand of the DEPS_LIST.
4686 (copy_DEPS_LIST_list): Update reference to the second operand of the
4688 * rtl.h (alloc_DEPS_LIST): Update signature.
4689 * sched-int.h (ds_t): Change typedef to 'int'.
4690 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4692 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4694 * haifa-sched.c (try_ready): Change condition to restore
4695 non-speculative pattern of the instruction.
4696 (process_insn_depend_be_in_spec): Code to keep probability of the
4697 speculative dependence non-decreasing.
4699 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4701 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4702 (single_move_for_movmem): ... this. Also change all uses.
4703 (bfin_expand_strmov): Renamed to...
4704 (bfin_expand_movmem): ... this. Also change all uses.
4705 * config/bfin/bfin.md (movstrsi): Renamed to...
4706 (movstrsi): ...this.
4708 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4710 PR tree-optimization/26830
4712 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4713 (copy_prop_visit_stmt): Remove write-only variable ann.
4714 (init_copy_prop): Check variable loop depth here. Do not simulate
4715 memory-tag and virtual operand PHIs except for store copy prop.
4717 2006-03-30 Richard Guenther <rguenther@suse.de>
4719 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4720 variants with double arguments.
4722 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4724 * genpreds.c (write_tm_constrs_h): Delete variable p.
4725 * genconditions.c (write_header): Add tm-constrs.h to included
4727 * genpeep.c (main): Add toplev.h to included headers.
4728 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4729 (build/genpeep.o): Add toplev.h dependency.
4730 * config/rs6000/constraints.md: Add "W" constraint.
4732 2006-03-29 Roger Sayle <roger@eyesopen.com>
4734 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4735 sizes by correctly testing whether the size fits a host integer.
4736 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4737 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4738 SImode range for the default sizetype and bitsizetype.
4740 2006-03-29 Roger Sayle <roger@eyesopen.com>
4742 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4743 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4744 quickly if the argument is already of the correct type.
4745 Call fold_build1 instead of build1. Tidy up blank lines.
4747 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4749 * genemit.c (main): Add tm-constrs.h to included headers.
4750 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4751 * genpeep.c (main): Add tm-constrs.h to included headers.
4752 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4753 (write_tm_constrs_h): this and write complete file.
4754 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4755 (write_insn_preds_c): Add tm-constrs.h to included headers.
4756 (gen_constrs): New variable.
4757 (parse_option): Parse "-c".
4758 (main): Invoke write_tm_constrs_h.
4759 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4760 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4761 (object_out_file): Add tm-constrs.h dependency.
4762 (insn-emit.o): Same.
4763 (insn-output.o): Same.
4764 (insn-peep.o): Same.
4765 (insn-preds.o): Same.
4766 (insn-recog.o): Same.
4767 (tm-constsr.h): New target.
4768 (s-constrs-h): New target.
4770 * config/rs6000/constraints.md: New file.
4771 * config/rs6000/rs6000.c: Include tm-constrs.h.
4772 (num_insn_constant_wide): Convert to satisfies_constraint.
4773 (rs6000_rtx_costs): Convert to satisfies_constraint.
4774 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4775 (CONST_OK_FOR_LETTER_P): Delete.
4776 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4777 (EXTRA_CONSTRAINT): Delete.
4778 (EXTRA_MEMORY_CONSTRAINT): Delete.
4779 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4780 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4781 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4782 satisfies_constraint.
4784 * config/i386/i386.c: Include tm-constrs.h.
4786 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4788 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4789 * tree-data-ref.c (find_data_references_in_loop,
4790 compute_data_dependences_for_loop): Use pointers to VEC.
4791 (analyze_all_data_dependences): Adjust calls.
4792 * tree-data-ref.h (find_data_references_in_loop,
4793 compute_data_dependences_for_loop): Adjust declarations.
4794 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4795 compute_data_dependences_for_loop.
4797 2006-03-29 Paul Brook <paul@codesourcery.com>
4799 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4802 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4804 PR tree-optimization/26859
4805 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4807 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4808 for the step after fold_convert.
4810 2006-03-29 Paul Brook <paul@codesourcery.com>
4812 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4813 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4815 2006-03-29 Paul Brook <paul@codesourcery.com>
4818 * targhooks.c (default_narrow_bitfield): New fuction.
4819 * targhooks.h (default_narrow_bitfield): add prototype.
4820 * target.h (gcc_target): Add narrow_volatile_bitfield.
4821 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4822 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4823 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4824 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4826 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4828 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4830 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4831 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4832 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4833 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4834 (s390_function_arg_float): Allow SDmode and DDmode values to be
4835 passed in floating point registers.
4836 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4837 check with SCALAR_FLOAT_MODE_P.
4838 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4840 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4842 PR tree-optimization/25985
4843 * tree-ssa-loop-niter.c (number_of_iterations_le,
4844 number_of_iterations_ne): Make comments more precise.
4845 (number_of_iterations_cond): Add only_exit argument. Use the
4846 fact that signed variables do not overflow only when only_exit
4848 (loop_only_exit_p): New.
4849 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4850 number_of_iterations_cond.
4852 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4854 PR tree-optimization/26643
4855 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4858 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4860 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4861 (divsi3_i4_int): Likewise.
4863 2006-03-28 Roger Sayle <roger@eyesopen.com>
4865 * expr.c (emit_group_store): Only create a new pseudo reg if the
4866 quantity it needs to hold isn't already a suitable pseudo.
4868 2006-03-28 Jeff Law <law@redhat.com>
4870 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4871 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4873 2006-03-28 Roger Sayle <roger@eyesopen.com>
4875 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4876 the equivalent ~X & Y, and the symmetry related transformations.
4877 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4878 ~X & Y, and symmetry related transforms.
4880 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4882 Revert my 2006-03-27 patches.
4884 2006-03-28 Roger Sayle <roger@eyesopen.com>
4886 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4887 ~(T1)X, when T1 and T2 are integer types of the same precision
4888 and (T2)X isn't an extension.
4890 2006-03-28 Jeff Law <law@redhat.com>
4892 PR tree-optimization/26796
4893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4894 need EH edge cleanups rather than purging them immediately.
4895 (eliminate_degenerate_phis): Handle queued EH cleanups.
4897 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4899 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4902 2006-03-27 Roger Sayle <roger@eyesopen.com>
4905 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4906 cast BIT_NOT_EXPR operand to the correct type.
4908 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4910 * tree-loop-linear.c: Don't include varray.h.
4911 (gather_interchange_stats, try_interchange_loops,
4912 linear_transform_loops): Use VEC instead of VARRAY.
4913 * lambda-mat.c: Don't include varray.h.
4914 * tree-chrec.c: Same.
4915 * lambda-trans.c: Same.
4916 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4917 VEC instead of VARRAY.
4918 * tree-vectorizer.h: Idem.
4919 * tree-data-ref.c (dump_data_references,
4920 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4921 initialize_data_dependence_relation, finalize_ddr_dependent,
4922 compute_all_dependences, find_data_references_in_loop,
4923 compute_data_dependences_for_loop, analyze_all_data_dependences,
4924 free_dependence_relation, free_dependence_relations,
4925 free_data_refs): Idem.
4926 * tree-data-ref.h (data_reference_p, subscript_p): New.
4927 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4928 VEC instead of VARRAY.
4929 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4930 (find_data_references_in_loop, compute_data_dependences_for_loop,
4931 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4932 dump_data_dependence_relations, free_dependence_relations,
4933 free_data_refs): Adjust declaration.
4934 (lambda_transform_legal_p): Move declaration here...
4935 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4936 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4937 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4938 vect_analyze_data_refs): Use VEC instead of VARRAY.
4939 * lambda.h (lambda_transform_legal_p): ...from here.
4940 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4941 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4942 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4943 tree-chrec.o): Don't depend on VARRAY_H.
4945 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4947 * rtl.def (Copyright): Update date.
4948 (DEPS_LIST): Change type of the second operand to 'int'.
4949 * target.h (Copyright): Update date.
4950 (struct gcc_target.speculate_insn): Change type of the second parameter
4952 * lists.c (Copyright): Update date.
4953 (alloc_DEPS_LIST): Change signature. Update reference to the second
4954 operand of the DEPS_LIST.
4955 (copy_DEPS_LIST_list): Update reference to the second operand of the
4957 * rtl.h (Copyright): Update date.
4958 (alloc_DEPS_LIST): Update signature.
4959 * sched-int.h (Copyright): Update date.
4960 (ds_t): Change typedef to 'int'.
4961 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4963 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4965 * haifa-sched.c (Copyright): Update date.
4966 (try_ready): Change condition to restore non-speculative pattern
4968 (process_insn_depend_be_in_spec): Code to keep probability of the
4969 speculative dependence non-decreasing.
4971 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4973 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4974 shut up the compiler.
4976 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4978 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4979 to use lib prefix for target.
4980 ($(T)libic_invalidate_array_4-200.a): Likewise.
4981 ($(T)libic_invalidate_array_4a.a): Likewise.
4983 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4984 J"orn Rennecke <joern.rennecke@st.com>
4986 * superh.opt: New file.
4987 * sh.c (boardtype, osruntime): Remove.
4988 * superh.h (SUBTARGET_OPTIONS): Remove.
4989 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4991 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4992 arguments with ^ and/or [].
4994 * config.gcc (sh-*-*): Add quoting to account for quirk of
4996 Replace == with = in enable_incomplete_targets test.
4998 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4999 with MASK_LITTLE_ENDIAN.
5001 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5002 * config/sh/sh.opt: Added to some comments.
5003 * config/sh/superh.h: Removed some chaff.
5005 * config/sh/sh.opt: Add m4-[1234]00* options.
5006 * config/sh/sh.c (sh_handle_option): Likewise.
5007 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5008 (ic_invalidate_array_4-100.o): New rule.
5009 ($(T)libic_invalidate_array_4-100.a): Likewise.
5010 (ic_invalidate_array_4-200.o): Likewise.
5011 ($(T)libic_invalidate_array_4-200.a): Likewise.
5012 (ic_invalidate_array_4a.o): Likewise.
5013 ($(T)libic_invalidate_array_4a.a): Likewise.
5014 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5015 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5017 * config/sh/crt1.asm: Merged in profiling code.
5018 * config/sh/superh.h (STARTFILE_SPEC): Override.
5019 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5020 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5021 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5023 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5024 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5025 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5027 * sh.opt (mpretend-cmove): New option.
5028 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5029 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5030 (movsicc): Add TARGET_PRETEND_CMOVE code.
5032 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5034 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5035 s390_class_max_nregs): New function prototypes.
5036 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5037 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5038 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5039 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5041 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5043 * dwarf2out.c (add_location_or_const_value_attribute): Call
5044 tree_add_const_value_attribute if nothing else works.
5045 (reference_to_unused): New.
5046 (rtl_for_decl_init): Use reference_to_unused to decide whether
5047 to output an initializer.
5049 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5052 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5053 peephole removing spe frob_di_df_2.
5055 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5057 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5058 (subscript_dependence_tester_1): Declared.
5059 (print_dir_vectors, print_dist_vectors): New.
5060 (debug_data_dependence_relation): New.
5061 (dump_data_dependence_relation): Print more details.
5062 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5063 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5064 (save_dist_v, save_dir_v, add_outer_distances,
5065 build_classic_dist_vector_1): New.
5066 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5067 Don't test for lambda_vector_lexico_pos.
5068 (same_access_functions, add_multivariate_self_dist,
5069 add_other_self_distances, dir_from_dist): New.
5070 (build_classic_dir_vector): Replace implementation almost identical to
5071 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5073 (subscript_dependence_tester_1): New.
5074 (subscript_dependence_tester): Handle the lexicographically negative
5075 distance vectors by recomputing the dependence relation.
5076 (compute_affine_dependence): Remove parameter loop_nest_depth.
5077 (compute_self_dependence): Don't call compute_subscript_distance.
5078 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5079 Add a parameter for the loop_nest.
5080 (find_loop_nest_1, find_loop_nest): New.
5081 (compute_data_dependences_for_loop): Compute the loop nest, and give
5082 up if the nest is not well formed.
5083 * tree-data-ref.h (loop_p): New.
5084 (struct data_dependence_relation): Replace size_vect field with
5085 loop_nest, a vec of loops.
5086 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5087 (DDR_LOOP_NEST): New.
5088 (print_dir_vectors, print_dist_vectors,
5089 debug_data_dependence_relation): Declared.
5090 (index_in_loop_nest): New.
5091 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5092 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5095 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5097 * simplify-rtx.c (simplify_relational_operation): Call
5098 simplify_relational_operation_1 even if mode is VOIDmode.
5100 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5102 PR tree-optimization/26804
5103 * tree.h (DECL_CALL_CLOBBERED): New macro.
5104 (tree_decl_common): Add call_clobbered_flag.
5105 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5106 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5107 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5108 (mark_non_addressable): Ditto.
5109 * tree-ssa.c (verify_call_clobbered): New function.
5110 (verify_alias_info): Use it.
5111 * tree-pass.h (pass_reset_cc_flags): New prototype.
5112 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5113 (reset_cc_flags): New function.
5114 * passes.c (init_optimization_passes): Call reset_cc_flags after
5115 initializing referenced_vars.
5117 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5118 Roger Sayle <roger@eyesopen.com>
5121 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5122 to 1.0 for non-real operands. Implement A / A optimization for
5125 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5127 * config/i386/i386.c (size_cost): Correct the comment for
5128 cost of storing fp registers.
5129 (i386_cost): Likewise.
5130 (i486_cost): Likewise.
5131 (pentium_cost): Likewise.
5132 (pentiumpro_cost): Likewise.
5133 (k6_cost): Likewise.
5134 (athlon_cost): Likewise.
5135 (k8_cost): Likewise.
5136 (pentium4_cost): Likewise.
5137 (nocona_cost): Likewise.
5138 (generic64_cost): Likewise.
5139 (generic32_cost): Likewise.
5141 2006-03-24 Denis Chertykov <denisc@overta.ru>
5143 * config/avr/avr-protos.h (extra_constraint): Delete.
5144 (extra_constraint_Q): New declaration.
5145 * config/avr/constraints.md: New file.
5146 * config/avr/avr.md: Include it.
5147 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5148 (TMP_REGNO, ZERO_REGNO): Likewise.
5149 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5150 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5151 (extra_constraint): Delete.
5152 (extra_constraint_Q): Test for memory constraint 'Q'.
5153 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5154 (REG_CLASS_FROM_LETTER): Delete.
5155 (CONST_OK_FOR_LETTER_P): Delete.
5156 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5157 (EXTRA_CONSTRAINT): Delete.
5158 (TMP_REGNO): Delete.
5159 (ZERO_REGNO): Delete.
5161 2006-03-24 Jeff Law <law@redhat.com>
5163 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5164 directly. Call mark_new_vars_to_rename slightly earlier.
5166 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5168 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5170 (gen_compile_unit_die): Use new language types for Objective-C and
5172 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5173 DW_LANG_C_plus_plus.
5176 * config/t-darwin (crt3.o): Work around bug 26840.
5177 * config/darwin-crt3.c: Rewrite.
5178 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5180 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5182 * doc/invoke.texi: Document -femit-class-debug-always
5183 * common.opt: Add -femit-class-debug-always.
5185 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5187 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5188 index and base register.
5189 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5190 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5191 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5192 REGNO_OK_FOR_INDEX_P.
5193 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5195 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5196 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5197 REG_OK_FOR_BASE_P): Definitions removed.
5199 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5202 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5203 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5204 set yet or weren't marked as local yet.
5206 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5208 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5211 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5213 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5214 (rs6000_legitimate_small_data_p): Delete.
5215 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5216 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5217 and make static. Add forward declaration. Update uses.
5218 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5219 of offsettable_memref_p.
5220 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5221 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5223 2006-03-24 Jeff Law <law@redhat.com>
5225 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5226 around bug in immediate-use iterator.
5228 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5231 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5232 or __LITTLE_ENDIAN__.
5234 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5236 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5237 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5238 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5239 * config/sh/sh.opt (mdiv=): Amend description.
5240 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5241 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5242 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5243 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5244 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5245 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5246 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5247 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5248 TARGET_DIVIDE_CALL_FP.
5250 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5252 * haifa-sched.c (choose_ready): Fix type of the local variable.
5253 Move local variables. Add comment.
5254 (check_reg_live): Change signature. Make callable from debugger.
5255 * sched-int.h (check_reg_live): Update signature.
5256 * sched-ebb.c (check_reg_live): Update parameters.
5257 * sched-rgn.c (check_reg_live): Ditto.
5258 (region_head_or_leaf_p): Check pointer before dereferencing.
5259 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5260 before reload on optimization levels below 1.
5262 2006-03-23 Richard Henderson <rth@redhat.com>
5264 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5268 * config/alpha/predicates.md (local_symbolic_operand): Reject
5271 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5274 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5275 expressions which have overflowed constants.
5277 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5279 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5281 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5283 * cfgloopmanip.c (create_loop_notes): Removed.
5284 * final.c (final_scan_insn): Do not handle loop notes.
5285 * jump.c (squeeze_notes): Ditto.
5286 * cfglayout.c (skip_insns_after_block,
5287 duplicate_insn_chain): Ditto.
5288 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5290 * cfgloop.h (create_loop_notes): Declaration removed.
5292 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5294 * varasm.c (output_constant_pool): Restore fnname and fndecl
5296 (assemble_start_function): Adjust call accordingly.
5297 (assemble_end_function): Likewise.
5299 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5302 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5305 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5307 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5310 * system.h (ICE_EXIT_CODE): New macro.
5311 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5312 (diagnostic_action_after_output): Likewise.
5313 * gcc.c (fatal_ice): New function.
5314 (execute): Use it instead of fatal.
5315 (fancy_abort): Likewise.
5316 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5318 2006-03-22 Jeff Law <law@redhat.com>
5320 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5321 iv_analyze_result returning false.
5323 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5325 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5327 2006-03-22 Richard Henderson <rth@redhat.com>
5330 * except.c (duplicate_eh_regions_0): New.
5331 (duplicate_eh_region_1): Duplicate the children of the node as
5332 well as the node itself. Link them up properly.
5333 (duplicate_eh_region_2): Merge into ...
5334 (duplicate_eh_regions): ... here. Take copy_region argument, and
5335 copy only a sub-tree if asked. Simplify copying and fixup.
5336 (eh_region_outer_p): New.
5337 * except.h (duplicate_eh_regions): Update decl.
5338 (eh_region_outer_p): Declare.
5339 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5340 (lower_omp_master): Likewise.
5341 (lower_omp_ordered): Likewise.
5342 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5343 (move_stmt_r): Use it to remap labels. Handle recursion vs
5344 remap_decls_p properly.
5345 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5346 (find_outermost_region_in_block): New.
5347 (new_label_mapper): New.
5348 (move_sese_region_to_fn): Copy eh information to the new function
5350 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5352 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5355 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5357 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5358 into shared libraries.
5360 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5362 * doc/md.texi: Refer to i386/constraints.md instead of
5364 * config/i386/constraints.md: New file, extracted from...
5365 * config/i386/predicates.md: ...here.
5366 * config/i386/i386.md: Include constraints.md.
5368 2006-03-21 Jason Merrill <jason@redhat.com>
5370 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5373 * expr.c (init_block_move_fn): Force default visibility.
5374 (init_block_clear_fn): Likewise.
5375 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5376 * targhooks.c (default_external_stack_protect_fail): Likewise.
5378 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5380 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5381 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5382 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5383 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5384 (loadgp): Use mips_current_loadgp_style.
5385 (loadgp_noshared): New pattern.
5386 (sibcall_internal): Use MIPS_CALL.
5387 (sibcall_value_internal): Likewise.
5388 (sibcall_value_multiple_internal): Likewise.
5389 (call_internal): Likewise.
5390 (call_value_internal): Likewise.
5391 (call_value_multiple_internal): Likewise.
5392 (call_split): Use MIPS_CALL and add an 'S' constraint.
5393 (call_value_split): Likewise.
5394 (call_value_multiple_split): Likewise.
5395 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5396 (-mshared): New option.
5397 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5398 (mips_current_loadgp_style): Declare.
5399 * config/mips/mips.c (mips_classify_symbol): Avoid using
5400 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5401 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5402 TARGET_ABSOLUTE_ABICALLS.
5403 (override_options): Adjust comments. Improve the warning that is
5404 issued when -mabicalls and -G are used together.
5405 (mips_file_start): Remove comment.
5406 (mips_current_loadgp_style): New function.
5407 (mips_gnu_local_gp): New variable.
5408 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5410 (mips_output_function_prologue): Use mips_current_laodgp_style.
5411 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5412 the cprestore instruction.
5413 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5414 live for TARGET_ABSOLUTE_ABICALLS.
5415 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5416 (ASM_SPEC): Pass down -mshared and -mno-shared.
5417 (MIPS_CALL): New macro.
5418 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5420 * doc/invoke.texi (-mabicalls): Update documentation.
5421 (-mshared): Document.
5423 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5425 * config/ia64/unwind-hpux.c: New file.
5426 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5428 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5431 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5433 2006-03-21 Jeff Law <law@redhat.com>
5435 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5436 type conversions of a VR_VARYING source to a wider type.
5438 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5440 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5441 tm_file on Solaris 10 and later.
5442 (sparc64-*-solaris2*): Likewise.
5443 (sparc-*-solaris2*): Likewise.
5444 * config/sol26.h: Rename to config/sol2-6.h.
5445 * config/sol2-10.h: New file.
5447 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5450 * tree-ssa-pre.c (create_component_ref_by_pieces):
5453 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5456 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5457 return it immediately.
5459 2006-03-21 Michael Matz <matz@suse.de>
5461 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5463 (remove_arc, add_arc): Update num_out_arcs member.
5464 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5466 (cache_presence): New function.
5467 (compare_states_for_equiv): New function.
5468 (state_is_differed): Don't take number of outargs, adjust callers.
5469 Use new invariant for speeding up.
5470 (init_equiv_class): Create initial classes based on sorted
5472 (partition_equiv_class): Don't track out_arcs_num.
5473 (evaluate_equiv_classes): Call cache_presence on all states and
5476 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5478 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5479 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5480 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5481 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5483 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5484 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5485 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5486 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5487 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5489 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5490 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5491 (REGNO_REG_CLASS): ARGP is in PREGS.
5492 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5494 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5495 to deal with those addresses.
5496 * addresses.h: New file.
5497 * caller-save.c: Include "addresses.h".
5498 (init_caller_save): Use new base_reg_class function.
5499 * rtl-factoring.c: Include "addresses.h".
5500 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5501 * recog.c: Include "addresses.h".
5502 (preprocess_constraints): Use new base_reg_class function.
5503 * regrename.c: Include "addresses.h".
5504 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5505 functions. Keep track of a new var INDEX_CODE to compute valid
5507 (replace_oldest_value_addr): Likewise.
5508 (replace_oldest_value_mem): Use base_reg_class.
5509 * reload.c: Include "addresses.h".
5510 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5511 (find_reloads): Use new base_reg_class function.
5512 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5513 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5514 all callers and prototype changed.
5515 * reload1.c: Include "addresses.h".
5516 (maybe_fix_stack_asms): Use base_reg_class.
5517 * regclass.c: Include "addresses.h".
5518 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5519 (init_reg_autoinc): Use new base_reg_class function.
5520 (record_reg_classes): Likewise.
5521 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5522 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5523 Use new args to compute necessary class.
5525 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5526 regrename.o, rtl-factoring.o): Update dependencies.
5527 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5528 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5529 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5530 REG_OK_FOR_INDEX_P): Delete documentation.
5532 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5534 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5535 from V7 to V9 for Solaris 7 and above.
5537 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5539 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5540 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5541 argument pointers may not alias any other storage.
5542 * common.opt: Define option -fargument-noalias-anything.
5543 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5544 alias semantics is specified by flag_argument_noalias > 2.
5546 2006-03-20 Jeff Law <law@redhat.com>
5548 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5549 (pass_phi_only_cprop): Declare.
5550 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5552 * tree-ssa-dom.c (degenerate_phi_result): New function.
5553 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5554 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5555 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5556 (eliminate_degenerate_phis): Likewise.
5557 (pass_phi_only_cprop): New pass descriptor.
5558 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5559 support code. Callers updated.
5560 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5561 (store_copy_prop): Likewise.
5562 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5564 2006-03-20 Jason Merrill <jason@redhat.com>
5567 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5568 (push_visibility, pop_visibility): Likewise.
5569 * c-pragma.h: Declare them.
5571 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5573 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5575 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5576 parameter and use get_ebb_head_tail.
5577 (sh_md_init_global): Adjust uses of find_regmode_weight.
5579 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5581 * function.h (struct function) <x_tail_recursion_reentry>:
5582 Rename to x_stack_check_probe_note.
5583 (tail_recursion_reentry): Rename to stack_check_probe_note.
5584 * function.c: Replace tail_recursion_reentry with
5585 stack_check_probe_note everywhere.
5586 (expand_function_start): Only emit a note for
5587 stack_check_probe_note with -fstack-protect.
5588 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5590 * emit-rtl.c (remove_unnecessary_notes): Remove.
5591 (pass_remove_unnecessary_notes): Remove.
5592 * rtl.h (remove_unnecessary_notes): Remove prototype.
5593 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5594 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5595 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5597 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5600 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5601 (valid_in_set): Handle ARRAY_REF.
5602 Change "if min_variant or VH" to asserts.
5603 (create_component_ref_by_pieces): Handle ARRAY_REF.
5604 (create_expression_by_pieces): Likewise.
5605 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5607 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5609 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5610 is operand of switch, not str[0].
5612 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5614 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5615 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5617 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5619 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5620 end of insn_extra_address_constraint declaration.
5622 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5624 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5625 (no-sum-in-toc): Same.
5626 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5628 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5629 NO_FP_IN_TOC for -fPIC instead of mask.
5631 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5632 (BOOT_LDFLAGS): Delete.
5634 * config/rs6000/t-aix52: Same.
5636 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5637 (stmsi[345678]_power): New.
5639 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5641 * config/ia64/ia64.opt: Add empty line to end of file.
5643 2006-03-17 Richard Guenther <rguenther@suse.de>
5646 * builtins.c (get_pointer_alignment): For component style references
5647 adjust alignment to the component type alignment. Make sure
5648 to adjust alignment for component access of constants.
5650 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5652 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5655 2006-03-17 Paul Brook <paul@codesourcery.com>
5657 * doc/install.texi: Docuemnt --with-mode.
5658 * config.gcc: Add --with-mode for arm*-*-*.
5659 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5661 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5663 * sh.c (max_labelno_before_reorg): New variable.
5664 (sh_reorg): Initialize it.
5665 (find_barrier): Check max_labelno_before_reorg before using
5666 label_to_alignment. Take length of explicit alignment insns
5667 into account. When seeing a UNSPECV_CONST_END, return it.
5669 * sh.c (fixup_mova): Set mode of affected label to QImode.
5670 (untangle_mova): New function.
5671 (find_barrier): Use it. Check mode of label before decrementing
5673 (sh_reorg): Likewise.
5674 Set mode of all insns back to VOIDmode.
5676 * sh.c (MOVA_LABELREF): New macro.
5677 (mova_p, fixup_mova, sh_reorg): Use it.
5678 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5679 ADDR_DIFF_VEC matches mova.
5681 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5683 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5684 with ATTRIBUTE_UNUSED.
5686 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5688 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5689 pointer, instead of assuming it is possible to derive the
5690 correct args size from a call insn.
5692 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5694 * rtl.h (CONST_INT_P): Define.
5695 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5696 instead of GET_CODE(x) == CONST_INT.
5697 (vax_rtx_costs): Likewise.
5698 (vax_output_int_move): Likewise.
5699 (vax_output_int_add): Likewise.
5700 (legitimate_constant_address_p): Likewise.
5701 (index_term_p): Likewise.
5702 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5703 * config/vax/vax.md (and<mode>3): Likewise.
5704 (ashrsi3): Likewise.
5706 (movstricthi): Likewise.
5707 (movstrictqi): Likewise.
5708 (rotrsi3): Likewise.
5709 (five unnamed insns): Likewise.
5711 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5713 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5714 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5715 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5716 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5717 Pass to ASM_OUTPUT_DWARF_OFFSET.
5718 * dwarf2out.c (debug_frame_section): New.
5719 (output_call_frame_info): Use debug_frame_section. Pass it to
5720 dw2_asm_output_offset.
5721 (output_die): Pass appropriate section to dw2_asm_output_offset.
5722 (output_compilation_unit_header): Likewise.
5723 (output_pubnames): Likewise.
5724 (output_aranges): Likewise.
5725 (enum dw_val_class): Break dw_val_class_lbl_offset into
5726 dw_val_class_lineptr and dw_val_class_macptr.
5727 (add_AT_lbl_offset): Delete.
5728 (add_AT_lineptr): New.
5729 (add_AT_macptr): New.
5730 (AT_lbl): Expect a lineptr or macptr.
5731 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5732 (attr_checksum): Likewise.
5733 (same_dw_val_p): Likewise.
5734 (size_of_die): Likewise.
5735 (value_format): Likewise.
5736 (output_die): Likewise.
5737 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5739 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5740 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5741 * config/darwin-protos.h (darwin_file_start): New.
5742 (darwin_asm_output_dwarf_offset): New.
5743 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5744 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5746 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5747 if not EH section; simplify.
5748 (darwin_file_start): New.
5749 (darwin_asm_output_dwarf_offset): New.
5750 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5752 (DEBUG_INFO_SECTION): Likewise.
5753 (DEBUG_ABBREV_SECTION): Likewise.
5754 (DEBUG_ARANGES_SECTION): Likewise.
5755 (DEBUG_MACINFO_SECTION): Likewise.
5756 (DEBUG_LINE_SECTION): Likewise.
5757 (DEBUG_LOC_SECTION): Likewise.
5758 (DEBUG_PUBNAMES_SECTION): Likewise.
5759 (DEBUG_STR_SECTION): Likewise.
5760 (DEBUG_RANGES_SECTION): Likewise.
5761 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5762 (ASM_OUTPUT_DWARF_OFFSET): New.
5764 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5766 * config.gcc (tm_defines): Always add to previous value rather
5769 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5771 * config/mips/predicates.md (splittable_const_int_operand): New,
5772 split from move_operand.
5773 (splittable_symbolic_operand): New.
5774 (move_operand): Add commentary. Use splittable_const_int_operand.
5775 Inline mips_atomic_symbolic_constant_p.
5776 * config/mips/mips.md: Add combine splitters for handling moves
5777 of splittable_const_int_operands and splittable_symbolic_operands.
5778 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5779 (mips_split_symbol): Declare.
5780 (mips_move_integer): Declare.
5781 * config/mips/mips.c (mips_split_p): Make global.
5782 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5783 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5784 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5785 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5786 (mips_offset_within_object_p): Handle block symbols.
5787 (mips_atomic_symbolic_constant_p): Delete.
5788 (mips_cannot_force_const_mem): Return false for constants that
5789 mips_legitimize_move can handle.
5790 (mips_use_blocks_for_constant_p): New function.
5791 (mips_split_symbol): Make global.
5792 (mips_move_integer): Likewise. Add a temporary register argument.
5793 (mips_legitimize_const_move): Use splittable_const_int_operand and
5794 splittable_symbolic_operand.
5795 (mips_use_anchors_for_symbol_p): New function.
5796 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5797 (mips_split_p): Declare.
5799 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5801 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5802 (mips*-*-linux*): Likewise.
5804 2006-03-16 Roger Sayle <roger@eyesopen.com>
5805 Daniel Speyer <dspeyer@wam.umd.edu>
5808 * tree-dump.c (dump_real): New function.
5809 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5810 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5811 (tree-dump.o): Add $(REAL_H) to the dependencies.
5813 2006-03-16 Roger Sayle <roger@eyesopen.com>
5816 * real.c (real_from_string): If the mantissa is zero, don't bother
5817 parsing the exponent as the result should always be zero.
5819 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5821 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5823 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5825 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5826 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5827 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5828 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5829 ia64_sched_finish_global): New static functions to implement
5830 hooks from gcc_target.sched.
5831 (spec_check_no, max_uid, pending_data_specs): New static variables.
5832 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5833 ia64_spec_check_src_p): New static functions.
5834 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5835 (TARGET_SCHED_ADJUST_COST): Removed.
5836 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5837 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5838 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5839 TARGET_SCHED_GEN_CHECK,
5840 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5841 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5842 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5843 Fixed to handle speculation checks.
5844 (rtx_needs_barrier): Fixed to handle speculative loads and
5846 (ia64_variable_issue): Added code to count speculative loads and their
5848 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5850 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5852 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5854 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5855 (ia64_reorg): Reset stops_p to NULL after it is freed.
5856 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5857 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5858 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5860 (data_speculative, control_speculative, check_load): New attributes.
5861 (mov<mode>_advanced, mov<mode>_speculative,
5862 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5863 zero_extend<mode>di2_speculative,
5864 zero_extend<mode>di2_speculative_advanced): New patterns for
5865 data and control speculative loads.
5866 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5868 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5869 New pattern for data and control speculation checks.
5870 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5871 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5872 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5873 Auxiliary definitions for the patterns.
5874 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5875 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5877 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5879 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5880 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5881 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5882 New resource constraints.
5883 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5885 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5886 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5887 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5888 msched-in-control-spec, msched-ldc, msched-control-ldc,
5889 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5890 msched-prefer-non-control-spec-insns,
5891 msched-count-spec-in-critical-path): New flags to tune speculative
5893 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5894 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5895 msched-in-control-spec, msched-ldc, msched-control-ldc,
5896 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5897 msched-prefer-non-control-spec-insns,
5898 msched-count-spec-in-critical-path): Document new flags.
5900 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5902 * target.h (struct spec_info_def): New opaque declaration.
5903 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5904 speculate_insn, needs_block_p, gen_check,
5905 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5906 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5907 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5908 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5909 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5910 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5912 (TARGET_SCHED): Use new macros.
5913 * rtl.h (copy_DEPS_LIST_list): New prototype.
5914 * sched-int.h (struct sched_info): Change signature of new_ready field,
5915 adjust all initializations. New fields: add_remove_insn,
5916 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5917 region_head_or_leaf_p.
5918 (struct spec_info_def): New structure declaration.
5919 (spec_info_t): New typedef.
5920 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5921 recovery_block, orig_pat.
5922 (glat_start, glat_end): New variables declaraions.
5923 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5925 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5926 DETACH_LIFE_INFO, USE_GLAT.
5927 (enum SPEC_SCHED_FLAGS): New enumeration.
5928 (NOTE_NOTE_BB_P): New macro.
5929 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5930 attach_life_info, debug_spec_status, check_reg_live): New functions.
5931 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5932 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5934 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5935 * ddg.c (get_block_head_tail): Adjust all uses.
5936 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5937 (sms_sched_info): Initialize new fields.
5938 (contributes_to_priority): Removed.
5939 * haifa-sched.c (params.h): New include.
5940 (get_block_head_tail): Adjust all uses.
5941 (ISSUE_POINTS): New macro.
5942 (glat_start, glat_end): New global variables.
5943 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5944 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5945 old_last_basic_block, before_recovery, current_sched_info_var,
5946 rgn_n_insns, luid): New static variables.
5947 (insn_cost1): New function. Move logic from insn_cost to here.
5948 (find_insn_reg_weight1): New function. Move logic from
5949 find_insn_reg_weight to here.
5950 (reemit_notes, move_insn, max_issue): Change signature.
5951 (move_insn1): Removed.
5952 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5953 extend_bb): New static functions to support extension of scheduler's
5955 (generate_recovery_code, process_insn_depend_be_in_spec,
5956 begin_speculative_block, add_to_speculative_block,
5957 init_before_recovery, create_recovery_block, create_check_block_twin,
5958 fix_recovery_deps): New static functions to support
5959 generation of recovery code.
5960 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5961 restore_bb_notes, move_block_after_check, move_succs): New static
5962 functions to support ebb scheduling.
5963 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5964 functions to support handling of register live information.
5965 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5966 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5967 add_jump_dependencies): New static functions.
5968 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5969 consistancy checking.
5970 (debug_spec_status): New function to call from debugger.
5971 (priority): Added code to handle speculation checks.
5972 (rank_for_schedule): Added code to distinguish speculative instructions.
5973 (schedule_insn): Added code to handle speculation checks.
5974 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5975 Fixed to handle ebbs.
5976 (move_insn): Added code to handle ebb scheduling.
5977 (max_issue): Added code to use ISSUE_POINTS of instructions.
5978 (choose_ready): Added code to choose between speculative and
5979 non-speculative instructions.
5980 (schedule_block): Added code to handle ebb scheduling and scheduling of
5981 speculative instructions.
5982 (sched_init): Initialize new variables.
5983 (sched_finish): Free new variables. Print statistics.
5984 (try_ready): Added code to handle speculative instructions.
5985 * lists.c (copy_DEPS_LIST_list): New function.
5986 * sched-deps.c (extend_dependency_caches): New function. Move logic
5987 from create_dependency_caches to here.
5988 (get_dep_weak, ds_merge): Make global.
5989 * genattr.c (main): Code to output prototype for
5990 dfa_clear_single_insn_cache.
5991 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5992 (output_dfa_clean_insn_cache_func): Code to output
5993 dfa_clear_single_insn_cache function.
5994 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5996 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5998 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5999 New static variables.
6000 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6001 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6003 (ebb_sched_info): Initialize new fields.
6004 (get_block_head_tail): Adjust all uses.
6005 (compute_jump_reg_dependencies): Fixed to use glat_start.
6006 (schedule_ebb): Code to remove unreachable last block.
6007 (schedule_ebbs): Added code to update register live information.
6008 * sched-rgn.c (region_sched_info): Initialize new fields.
6009 (get_block_head_tail): Adjust all uses.
6010 (last_was_jump): Removed. Adjust users.
6011 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6012 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6013 Implement new hooks.
6014 (check_dead_notes1): New static function.
6015 (struct region): New fields: dont_calc_deps, has_real_ebb.
6016 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6017 (BB_TO_BLOCK): Fixed to handle EBBs.
6018 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6019 (ebb_head): New static variable.
6020 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6021 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6023 (compute_dom_prob_ps): New assertion.
6024 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6025 global_live_at_start.
6026 (init_ready_list): New assertions.
6027 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6028 (new_ready): Add support for BEGIN_CONTROL speculation.
6029 (schedule_insns): Fixed code that updates register live information
6031 (schedule_region): Fixed to handle EBBs.
6032 (init_regions): Use extend_regions and check_dead_notes1.
6033 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6034 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6035 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6036 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6037 TARGET_SCHED_GEN_CHECK,
6038 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6039 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6040 * doc/invoke.texi (max-sched-insn-conflict-delay,
6041 sched-spec-prob-cutoff): Document.
6043 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6045 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6046 inter_tick, queue_index.
6047 (struct sched_info): Change signature of init_ready_list field.
6048 Adjust all initializations.
6049 (RESOLVED_DEPS): New access macro.
6050 (ready_add): Remove prototype.
6051 (try_ready): Add prototype.
6052 * sched-rgn.c (init_ready_list): Use try_ready.
6053 (schedule_region): Initialize
6054 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6055 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6056 (init_ready_list): Use try_ready.
6057 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6058 * lists.c (remove_list_elem): Remove `static'.
6059 (remove_free_INSN_LIST_elem): New function.
6060 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6061 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6062 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6064 (readyp): New variable.
6065 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6066 change_queue_index, resolve_dep): New static functions.
6067 (try_ready): New function. Adjust callers in sched-rgn.c and
6068 sched-ebb.c to use it instead of ready_add.
6069 (clock_var): Move at the begining of file.
6070 (rank_for_schedule): Fix typo.
6071 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6072 (ready_lastpos): Enforce assertion.
6073 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6075 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6076 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6077 (queue_to_ready): Use free_INSN_LIST_list.
6078 (early_queue_to_ready): Fix typo.
6079 (schedule_block): Init readyp. Move init_ready_list call after the
6080 initialization of clock_var. Fix error in rejecting insn by
6081 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6082 that previously corrected INSN_TICKs. Add code for handling
6084 (set_priorities): Fix typo.
6085 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6086 Clarify comment and code that keeps current_sched_info->next_tail
6089 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6091 * sched-rgn.c (extend_rgns): New static function.
6092 (find_rgns): Use it.
6093 (gather_region_statistics, print_region_statistics): New static
6095 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6096 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6098 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6099 Andrey Belevantsev <abel@ispras.ru>
6101 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6102 * lists.c (unused_deps_list): New variable.
6103 (free_list): Add assertions to verify the proper distinguishing
6104 between INSN_LISTs and DEPS_LISTs.
6105 (find_list_elem, remove_list_elem, remove_list_node): New static
6107 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6108 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6109 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6110 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6112 (free_INSN_LIST_node): Likewise.
6113 * modulo-sched.c (current_sched_info): Initialize flags field.
6114 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6115 * rtl.def (DEPS_LIST): Define.
6116 * rtl.h: Declare new functions from lists.c.
6117 * sched-deps.c (spec_dependency_cache): New static variable.
6118 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6119 (add_dependence): Change return type to void. Move the logic to ...
6120 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6121 (delete_all_dependences): Add comment about forward_dependency_cache.
6122 Handle spec_dependency_cache. Handle DEPS_LISTs.
6123 (fixup_sched_groups): Clarify the change of priority of output
6124 and anti dependencies.
6125 (sched_analyze_2): Adjust add_dependence calls to create data
6126 speculative dependence.
6127 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6128 Adjust all callers. Handle DEPS_LISTS.
6129 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6130 presence of speculation.
6131 (init_dependency_caches, free_dependency_caches):
6132 Handle spec_dependency_cache.
6133 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6134 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6135 New static functions.
6136 (add_or_update_back_dep, add_or_update_back_forw_dep,
6137 add_back_forw_dep, delete_back_forw_dep): New functions.
6138 * sched-int.h (ds_t, dw_t): New typedefs.
6139 (struct sched_info): Add new field flags.
6140 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6141 Prototype new sched-deps.c functions.
6142 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6143 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6144 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6145 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6146 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6147 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6149 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6151 * sched-rgn.c (current_sched_info): Initialize flags field.
6152 (schedule_insns): Initialize current_sched_info before the sched_init
6154 * sched-ebb.c (current_sched_info): Initialize flags field.
6155 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6156 Call add_or_update_back_dep instead of add_dependence.
6157 Create control speculative dependencies.
6158 (schedule_insns): Initialize current_sched_info before the sched_init
6161 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6163 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6165 (sh_fallback_frame_state): Likewise.
6167 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6169 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6170 Do switch on default_use_cxa_atexit.
6171 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6172 * config/darwin-crt3.o: New.
6173 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6174 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6175 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6177 * config/rs6000/t-darwin: Move crt2.o building to here.
6178 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6179 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6182 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6184 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6185 from '! xxx' to '!xxx' for coding-style conformance.
6186 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6187 (EXTRA_CONSTRAINT): Likewise.
6188 * config/vax/vax.md (four unnamed insns): Likewise.
6190 2006-03-15 Paul Brook <paul@codesourcery.com>
6192 * config/arm/arm.c (minipool_pad): New.
6193 (add_minipool_forward_ref): Include pool alignment padding in address
6195 (push_minipool_fix): Set minipool_pad.
6196 (minipool_pad): Ditto.
6198 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6200 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6201 instead of GET_CODE() == MEM and REG_P() instead of
6203 (print_operand_address): Likewise.
6204 (vax_address_cost): Likewise.
6205 (vax_rtx_costs): Likewise.
6206 (vax_notice_update_cc): Likewise.
6207 (vax_output_int_add): Likewise.
6208 (INDEX_REGISTER_P): Likewise.
6209 (BASE_REGISTER_P): Likewise.
6210 (nonindexed_address_p): Likewise.
6211 (vax_mode_dependent_address_p): Likewise.
6212 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6213 (PRINT_OPERAND): Likewise.
6214 * config/vax/vax.md (ashlsi3): Likewise.
6215 (ashlsi3): Likewise.
6216 (some more unnamed insns): Likewise.
6218 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6220 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6221 iterator-style macro.
6222 (mark_control_dependent_edges_necessary): Update the use of
6223 EXECUTE_IF_CONTROL_DEPENDENT.
6225 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6227 * config/sh/predicates.md (cache_address_operand): Special.
6228 (ua_address_operand): Likewise.
6230 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6232 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6234 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6236 2006-03-15 Andreas Schwab <schwab@suse.de>
6238 * gensupport.c (identify_predicable_attribute): Don't free p_false
6239 when it is still in use.
6241 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6243 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6244 the default setting here.
6246 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6248 * tree-pass.h (pass_cfg): Remove.
6249 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6250 * passes.c (pass_cfg): Don't run it.
6252 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6254 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6255 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6257 (stack_regs_mentioned): Update the uses of
6258 stack_regs_mentioned_data. Don't access the array beyond its
6260 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6261 Don't include gt-reg-stack.h.
6263 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6264 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6266 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6269 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6272 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6274 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6276 2006-03-14 Richard Guenther <rguenther@suse.de>
6278 PR tree-optimization/26672
6279 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6282 2006-03-14 Richard Guenther <rguenther@suse.de>
6284 PR tree-optimization/26667
6285 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6286 node for the callees. Always allow inlining if it will shrink
6289 2006-03-14 Richard Guenther <rguenther@suse.de>
6292 * builtins.c (get_pointer_alignment): Prefer alignment
6293 information from decls over that from types.
6295 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6298 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6300 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6302 * config/rs6000/rs6000.opt (mdlmzb): New option.
6303 (msched-prolog, msched-epilog): Use Var not Mask.
6304 * doc/invoke.texi (-mdlmzb): Document.
6305 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6307 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6308 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6310 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6312 PR rtl-optimization/25739
6313 * bt-load.c (augment_live_range): Free tos pointer.
6315 * gensupport.c (identify_predicable_attribute): Free
6317 * gcov.c (create_file_names): Free name pointer.
6319 2006-03-13 Roger Sayle <roger@eyesopen.com>
6322 * stmt.c (emit_case_nodes): Handle the case where the index is a
6323 CONST_INT, where the comparison mode is specified by the index type.
6325 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6327 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6330 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6332 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6333 (*branch_fp_inverted): Likewise.
6335 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6338 * omp-low.c (expand_omp_for_generic): Mark istart0
6339 and iend0 as addressable.
6341 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6343 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6345 2006-03-13 Jeff Law <law@redhat.com>
6347 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6348 virtual operands are interesting.
6349 (vrp_visit_stmt): Corresponding changes.
6351 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6353 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6355 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6356 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6357 * config/bfin/crti.S: Use it instead of __PIC__.
6358 * config/bfin/crtn.S: Likewise.
6360 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6361 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6363 Lose 'G' modifier for call operand.
6364 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6365 recognize 'G' modifier.
6367 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6370 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6371 * stmt.c (expand_case): Likewise.
6373 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6375 PR rtl-optimization/26254
6376 * loop-invariant.c (seq_insns_valid_p): New function.
6377 (move_invariant_reg): Only emit new code if it is valid.
6379 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6381 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6383 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6384 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6385 (commit_one_edge_insertion): Do not look for loop notes.
6387 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6389 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6390 flag_test_coverage out of loop.
6392 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6394 * final.c (shorten_branches): Remove outdated comment, and turn
6395 the if branch that guards it to continue.
6397 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6399 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6400 * cfgloop.h (struct loop): Remove unused fields.
6402 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6404 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6405 (-dL, -fdump-rtl-loop2): Update the dump file names
6407 * doc/invoke.texi: Update dump file names.
6409 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6411 * predict.c (estimate_probability): Remove.
6412 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6413 * basic-block.h (estimate_probability): Remove prototype.
6414 * passes.c (finish_optimization_passes): Dump branch prediction or
6415 profiling heuristics to the .profile tree dump.
6416 (init_optimization_passes): Unqueue pass_branch_prob.
6418 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6420 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6422 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6423 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6425 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6427 * function.h (frame_offset_overflow): Declare.
6428 * function.c (frame_offset_overflow): New function.
6429 (assign_stack_local_1): Call it to detect that the offset overflows.
6430 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6432 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6434 * config/sh/sh.c: Include alloc-pool.h.
6435 (label_ref_list_pool): New alloc pool.
6436 (label_ref_list_t): New type for lists of labels.
6437 (struct pool_node): Make wend a label_ref_list_t.
6438 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6440 (dump_table): Likewise.
6441 (sh_reorg): Set up the alloc pool before using add_constant and
6442 dump_table, and destroy it when finishing.
6444 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6446 * config/mips/mips.c: Remove redundant comment.
6448 2006-03-10 Jason Merrill <jason@redhat.com>
6451 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6452 the target was declared 'register'.
6454 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6456 * genpreds.c (write_insn_constraint_len): Change definition of
6457 insn_constraint_len to return size_t to match the declaration.
6459 2006-03-10 DJ Delorie <dj@redhat.com>
6461 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6463 (m32c_expand_insv): Fix test for an AND mask.
6465 2006-03-10 Richard Guenther <rguenther@suse.de>
6468 * builtins.c (get_pointer_alignment): Handle component
6469 references for field alignment.
6471 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6473 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6474 when building with libgloss.
6475 (sh*elf): Implement --without-fp option.
6476 (sh64-superh-linux*): Don't multilib.
6478 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6480 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6482 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6484 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6485 Set it when one of the replacement functions returned true.
6486 Return TODO_cleanup_cfg if cfgchanged is true.
6487 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6489 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6491 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6492 instead of gen_lowpart.
6494 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6496 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6498 (mips_output_order_conditional_branch): Declare.
6499 * config/mips/mips.h (MIPS_BRANCH): New macro.
6500 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6501 for the comparison. Use gen_condjump.
6502 (mips_output_conditional_branch): Rework interface to take the
6503 asm templates for a direct branch and the inverse of a direct branch.
6504 (mips_output_order_conditional_branch): New function.
6505 (mips_builtin_branch_and_move): New function.
6506 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6507 branch condition. Use gen_single_cc as the condition for
6508 __builtin_mips_upper_* or __builtin_mips_lower_*.
6509 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6510 Use VOIDmode for the branch condition.
6511 * config/mips/predicates.md (order_operator): New predicate.
6512 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6513 (branch_fp): Rename to...
6514 (*branch_fp): ...this. Remove mode from comparison operator.
6515 Use new mips_output_conditional_branch interface.
6516 (branch_fp_inverted): Rename to...
6517 (*branch_fp_inverted): ...this and update as for *branch_fp.
6518 (*branch_zero<mode>): Rename to...
6519 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6520 Use mips_output_order_conditional_branch. Only accept ordered
6522 (*branch_zero<mode>_inverted): Rename to...
6523 (*branch_order<mode>_inverted): ...this and update as for
6524 *branch_order<mode>.
6525 (*branch_equality<mode>): Accept zero as the second operand to
6526 the equality operator. Use the new mips_output_conditional_branch
6528 (*branch_equality<mode>_inverted): Likewise.
6529 (condjump): New expander.
6530 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6532 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6533 (bc1any2t, bc1any2f): Likewise.
6534 (single_cc): New expander.
6535 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6537 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6539 * doc/md.texi: Update documentation of MIPS constraints.
6540 * config/mips/constraints.md: New file.
6541 * config/mips/mips.md: Include it.
6542 * config/mips/mips.c (mips_char_to_class): Delete.
6543 (override_options): Don't initialize mips_char_to_class.
6544 * config/mips/mips.h (mips_char_to_class): Delete.
6545 (REG_CLASS_FROM_LETTER): Delete.
6546 (CONST_OK_FOR_LETTER_P): Delete.
6547 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6548 (EXTRA_CONSTRAINT_Y): Delete.
6549 (EXTRA_CONSTRAINT_STR): Delete.
6550 (CONSTRAINT_LEN): Delete.
6551 (EXTRA_MEMORY_CONSTRAINT): Delete.
6553 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6555 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6556 original fn's eh regions.
6558 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6560 * fold-const.c (build_range_check): Make sure to use a valid type to
6561 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6564 (range_predecessor): New static function.
6565 (range_successor): Likewise.
6566 (merge_ranges): Use them to compute predecessors and successors of
6569 2006-03-09 Roger Sayle <roger@eyesopen.com>
6572 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6573 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6575 2006-03-08 DJ Delorie <dj@redhat.com>
6577 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6578 (addpsi3): Expand to include memory operands. Remove
6579 reload-specific splits.
6580 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6581 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6582 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6583 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6584 (shift1_qi, shift1_hi, insv): New.
6585 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6586 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6587 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6589 * config/m32c/m32c-protos.h: Update as needed.
6590 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6591 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6592 Fail for unrecognized R* constraints.
6593 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6594 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6595 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6597 (m32c_init_libfuncs): New.
6598 (m32c_legitimate_address_p): Add debug wrapper.
6599 (m32c_rtx_costs): New.
6600 (m32c_address_cost): New.
6601 (conversions): Add 'B' prefix.
6602 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6603 operands, or word regnames for QI operands. 'B' prints bit
6605 (m32c_expand_setmemhi): New.
6606 (m32c_expand_movmemhi): New.
6607 (m32c_expand_movstr): New.
6608 (m32c_expand_cmpstr): New.
6609 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6610 (m32c_expand_neg_mulpsi3): Handle non-ints.
6611 (m32c_cmp_flg_0): New.
6612 (m32c_expand_movcc): New.
6613 (m32c_expand_insv): New.
6614 (m32c_scc_pattern): New.
6615 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6616 a0/a1 out of SIregs.
6617 (STORE_FLAG_VALUE): New.
6618 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6621 * config/m32c/mov.md: Make constraints more liberal.
6622 (zero_extendqihi2): Optimize r0/r1 case.
6623 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6624 * config/m32c/predicates.md (m32c_any_operand): New.
6625 (m32c_nonimmediate_operand): New.
6626 (m32c_hl_operand): New.
6627 (m32c_r3_operand): New.
6630 (memsym_operand): New.
6631 (memimmed_operand): New.
6632 (a_qi_operand): New.
6633 (m32c_eqne_operator): New.
6634 (m32c_1bit8_operand): New.
6635 (m32c_1bit16_operand): New.
6636 (m32c_1mask8_operand): New.
6637 (m32c_1mask16_operand): New.
6638 * config/m32c/blkmov.md: New file.
6639 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6641 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6643 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6644 unsigned to fix signed/unsigned comparison issue in
6645 DWARF2_FRAME_REG_OUT.
6646 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6647 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6649 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6650 of ptr into the ENABLE_CHECKING section.
6652 2006-03-08 Jeff Law <law@redhat.com>
6654 * tree-vrp.c (infer_value_range): Only count pointer uses
6655 and dereferences if -fdelete-null-pointer-checks is enabled.
6657 * tree-vrp.c (find_assert_locations): Infer value ranges for
6658 single use pointers, but do not create ASSERT_EXPRs for them.
6659 When a non-null range is inferred for a pointer, backwards
6660 propagate that range to other equivalent pointers through the
6663 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6666 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6667 language hook targets.
6668 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6669 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6670 if language hook targets were missing.
6672 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6674 * tree-ssa-opfinalize.h: Removed.
6675 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6677 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6678 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6679 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6680 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6681 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6682 finalize_ssa_v_must_def_ops): New.
6684 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6686 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6689 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6691 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6693 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6694 addresses with offsets; reorganize.
6696 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6697 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6698 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6700 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6703 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6705 2006-03-08 Ben Elliston <bje@au.ibm.com>
6707 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6709 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6712 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6715 2006-03-07 Richard Guenther <rguenther@suse.de>
6717 PR tree-optimization/26587
6718 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6720 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6722 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6724 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6726 * hooks.c (hook_bool_mode_rtx_true): New function.
6727 * hooks.h (hook_bool_mode_rtx_true): Declare.
6728 * toplev.c (compile_file): Call output_shared_constant_pool.
6729 * varasm.c (shared_constant_pool): New variable.
6730 (assemble_start_function, assemble_end_function): Remove arguments
6731 from call to output_constant_pool.
6732 (create_constant_pool): New function, split out from...
6733 (init_varasm_status): ...here.
6734 (force_const_mem): Choose between the shared and per-function constant
6735 pools. Set current_function_uses_const_pool when reusing old entries
6736 as well as when creating new ones.
6737 (mark_constant): Ignore data argument.
6738 (mark_constants): Remove pool argument.
6739 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6740 to decide whether the function uses a constant pool.
6741 (output_constant_pool_contents): New function, split out from...
6742 (output_constant_pool): ...here.
6743 (output_shared_constant_pool): New function.
6744 (init_varasm_once): Initialize shared_constant_pool.
6745 * output.h (output_constant_pool): Delete.
6746 (output_shared_constant_pool): Declare.
6747 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6748 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6750 2006-03-06 Nick Clifton <nickc@redhat.com>
6752 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6753 flag_strength_reduce.
6755 2006-03-06 Ben Elliston <bje@au.ibm.com>
6757 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6758 x86_64-*-linux* configurations.
6760 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6761 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6763 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6765 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6767 * basic-block.h: Remove the extern for
6768 rediscover_loops_after_threading.
6770 * cfgloop.c (cancel_loop): Make it static.
6771 * cfgloop.h: Remove the prototype for cancel_loop.
6773 * flow.c (recompute_reg_usage): Make it static.
6774 * rtl.h: Remove the prototype for recompute_reg_usage.
6776 * function.c (use_return_register): Make it static.
6777 * function.h: Remove the prototype.
6779 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6781 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6783 * recog.h: Remove the prototype for
6784 validate_change_maybe_volatile.
6786 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6788 * rtlanal.c (replace_reg): Remove.
6789 * rtl.h: Remove the prototype for replace_reg.
6791 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6793 * regclass.c (reg_scan_update): Remove.
6794 (reg_scan_mark_refs): Remove the last argument.
6795 * rtl.h: Remove the prototype for reg_scan_update.
6797 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6799 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6800 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6801 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6802 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6803 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6804 loop-invariant.c, omp-low.c, opts.c, passes.c,
6805 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6806 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6807 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6808 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6809 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6810 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6812 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6814 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6815 * dwarf2out.h: Remove the prototype for
6816 dwarf2out_add_library_unit_info.
6818 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6820 * tree.c (add_var_to_bind_expr): Remove.
6821 * tree.h: Remove the prototype for add_var_to_bind_expr.
6823 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6825 * regclass.c (n_non_fixed_regs): Remove.
6826 (init_reg_sets_1, globalize_reg): Remove all uses of
6828 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6830 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6832 * rtlanal.c (insns_safe_to_move_p): Remove.
6833 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6835 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6837 * expmed.c (expand_mult_add): Remove.
6838 * expr.h: Remove the prototype for expand_mult_add.
6840 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6842 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6843 and REG_SAVED_VAL_EXP constants.
6844 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6845 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6846 Handle regs stored by value.
6847 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6848 (execute_cfa_program): Handle DW_CFA_val_offset,
6849 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6850 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6851 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6852 (uw_install_context_1): Handle target regs stored by value.
6854 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6856 * tree-sra.c (tree_sra): Return todoflags;
6857 (generate_one_element): Set TODO_update_smt_usage if needed.
6858 (pass_sra): Remove TODO_update_smt_usage.
6859 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6861 (tree_ssa_forward_propagate_single_use_vars): Return
6862 TODO_update_smt_usage if we need to update SMT usage.
6863 (pass_forwprop): Remove TODO_update_smt_usage.
6865 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6867 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6868 (correct_use_link): Remove reference to get_stmt_operands.
6869 (update_stmt_operands): Likewise.
6870 (get_modify_expr_operands): New function factored out of
6871 parse_ssa_operands and get_expr_operands.
6872 Try to create V_MUST_DEFs for LHS by default.
6873 (get_expr_operands) <case MODIFY_EXPR>: Call
6874 get_modify_expr_operands.
6875 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6876 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6877 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6878 get_modify_expr_operands.
6880 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6882 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6883 * tree-flow.h: Remove the prototype for
6884 referenced_var_lookup_if_exists.
6886 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6888 PR rtl-optimization/26345
6890 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6892 2006-03-03 Roger Sayle <roger@eyesopen.com>
6894 PR tree-optimization/26524
6895 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6896 fold_convert to create a constant of the appropriate type.
6898 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6900 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6901 SYMBOL_REF_IN_BLOCK_P.
6902 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6903 of SYMBOL_FLAG_IN_BLOCK.
6904 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6905 instead of SYMBOL_REF_IN_BLOCK_P.
6906 * explow.c (use_anchored_address): Likewise.
6907 * rtl.c (rtx_size): Likewise.
6908 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6909 instead of SYMBOL_FLAG_IN_BLOCK.
6910 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6911 SYMBOL_REF_IN_BLOCK_P.
6912 (assemble_variable): Likewise.
6913 (output_constant_def_contents): Likewise.
6914 (output_constant_pool): Likewise.
6915 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6916 instead of SYMBOL_FLAG_IN_BLOCK.
6917 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6918 SYMBOL_REF_IN_BLOCK_P.
6919 (SYMBOL_REF_BLOCK): Likewise.
6920 (SYMBOL_REF_OFFSET): Likewise.
6921 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6922 SYMBOL_REF_IN_BLOCK_P.
6923 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6924 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6925 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6926 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6928 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6930 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6932 2006-03-02 Roger Sayle <roger@eyesopen.com>
6934 * simplify-rtx.c (simplify_unary_operation): When simplifying
6935 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6936 that we perform the right shift in the appropriate mode, and
6937 then extend or truncate the result to requested mode.
6939 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6941 * gengtype.c (main): Handle double_int type.
6942 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6943 * double-int.c: New file.
6944 * double-int.h: New file.
6945 * system.h: Include doubleint.h.
6946 * Makefile.in (SYSTEM_H): Include double-int.h.
6947 (double-int.o): Add.
6949 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6952 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6955 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6957 * tree-vrp.c (remove_range_assertions): Do not update statements
6960 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6962 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6964 * gcse.c (rest_of_handle_gcse): Ditto.
6965 * except.c (gate_handle_eh): Ditto.
6966 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6967 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6969 2006-03-02 Eric Christopher <echristo@apple.com>
6971 * config/i386/i386.c (machopic_output_stub): Add indirection to
6974 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6978 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6980 Sun Niagara specific optimizations.
6981 * config.gcc: Recognize niagara as target.
6982 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6983 (TARGET_CPU_niagara): Define.
6984 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6985 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6986 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6987 (ASM_CPU_SPEC): Likewise.
6988 (PROCESSOR_NIAGARA): New enum entry.
6989 (REGISTER_MOVE_COST): Handle Niagara.
6990 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6991 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6992 (sparc_override_options): Recognize "niagara", set appropriate
6993 default MASK_* values for it, and align functions to 32-bytes
6994 by default just like ULTRASPARC/ULTRASPARC3.
6995 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6996 (sparc64_initialize_trampoline): Likewise.
6997 (sparc_use_sched_lookahead): Use zero for niagara.
6998 (sparc_issue_rate): Use one for niagara.
6999 * config/sparc/niagara.md: New file.
7000 * config/sparc/sparc.md: Include it.
7001 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7002 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7003 when default cpu is niagara.
7004 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7005 (ASM_CPU_SPEC): Likewise.
7006 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7007 when default cpu is niagara.
7008 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7009 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7010 just like v9/ultrasparc/ultrasparc3.
7011 * doc/invoke.texi: Add documentation for "niagara" and improve
7012 existing documentation for ultrasparc variants.
7014 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7016 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7018 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7020 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7021 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7022 and say that only one is needed.
7023 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7024 * target.h (have_switchable_bss_sections): New hook.
7025 * explow.c (use_anchored_address): Check that the symbol is in a block.
7026 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7027 (bss_noswitch_section): New variables.
7028 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7029 (get_noswitch_section): New function.
7030 (get_block_for_section): Allow SECT to be null.
7031 (unlikely_text_section_p): Use SECTION_STYLE.
7032 (bss_initializer_p): New function.
7033 (get_variable_section): Move earlier in file. Take a new argument,
7034 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7035 Return one of the new *_sections in such cases.
7036 (get_block_for_decl): New function, extracting some logic from
7037 use_blocks_for_decl_p.
7038 (change_symbol_section): Remove in favor of...
7039 (change_symbol_block): ...this new function.
7040 (use_blocks_for_decl_p): Remove checks now performed by
7042 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7043 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7044 (emit_local, emit_bss, emit_common): ...these new functions.
7045 Return true if the alignment was honored.
7046 (emit_tls_common): New function.
7047 (asm_emit_uninitialised): Delete.
7048 (assemble_variable_noswitch): New function, split out from...
7049 (assemble_variable): ...here. Don't make decisions about common
7050 variables here. Globalize all public decls that go into non-common
7051 sections. Check whether SYMBOL_REF_BLOCK is null.
7052 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7053 (output_constant_pool): Likewise.
7054 (init_varasm_once): Initialize the new section variables.
7055 (have_global_bss_p): New function.
7056 (categorize_decl_for_section): Use bss_initializer_p.
7057 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7058 (place_block_symbol): Assert that the symbol must be in a block.
7059 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7060 (TARGET_INITIALIZER): Include it.
7061 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7062 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7063 (SECTION_MACH_DEP): Bump by two.
7064 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7065 (unnamed_section): Mention SECTION_UNNAMED in comment.
7066 (named_section): Likewise SECTION_NAMED.
7067 (noswitch_section_callback): New type.
7068 (noswitch_section): New structure.
7069 (section): Add a noswitch_section alternative.
7070 (SECTION_STYLE): New macro.
7071 (tls_comm_section, comm_section, lcomm_section): Declare.
7072 (bss_noswitch_section, have_global_bss_p): Declare.
7073 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7074 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7076 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7077 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7080 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7082 * tree-vrp.c (execute_vrp): Return value.
7083 * regrename.c (rest_of_handle_regrename): Ditto.
7084 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7085 * tree-complex.c (tree_lower_complex): Ditto.
7086 (tree_lower_complex_O0): Ditto.
7087 * tracer.c (rest_of_handle_tracer): Ditto.
7088 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7089 * postreload.c (rest_of_handle_postreload): Ditto.
7090 * tree-tailcall.c (execute_tail_recursion): Ditto.
7091 (execute_tail_calls): Ditto.
7092 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7093 * tree.h (init_function_for_compilation): Ditto.
7094 * ipa-cp.c (ipcp_driver): Ditto.
7095 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7096 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7097 * final.c (compute_alignments): Ditto.
7098 (rest_of_handle_final): Ditto.
7099 (rest_of_handle_shorten_branches): Ditto.
7100 (rest_of_clean_state): Ditto.
7101 * omp-low.c (execute_expand_omp): Ditto.
7102 (execute_lower_omp): Ditto.
7103 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7104 * ipa-reference.c (static_execute): Ditto.
7105 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7106 * reorg.c (rest_of_handle_delay_slots): Ditto.
7107 (rest_of_handle_machine_reorg): Ditto.
7108 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7109 * flow.c (recompute_reg_usage): Ditto.
7110 (rest_of_handle_remove_death_notes): Ditto.
7111 (rest_of_handle_life): Ditto.
7112 (rest_of_handle_flow2): Ditto.
7113 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7114 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7115 (do_ssa_store_ccp): Ditto.
7116 (execute_fold_all_builtins): Ditto.
7117 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7118 * modulo-sched.c (rest_of_handle_sms): Ditto.
7119 * ipa-pure-const.c (static_execute): Ditto.
7120 * cse.c (rest_of_handle_cse): Ditto.
7121 (rest_of_handle_cse2): Ditto.
7122 * web.c (rest_of_handle_web): Ditto.
7123 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7124 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7125 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7126 * tree-nrv.c (tree_nrv): Ditto.
7127 (execute_return_slot_opt): Ditto.
7128 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7129 (create_structure_vars): Ditto.
7130 * loop-init.c (rtl_loop_init): Ditto.
7131 (rtl_loop_done): Ditto.
7132 (rtl_move_loop_invariants): Ditto.
7133 (rtl_unswitch): Ditto.
7134 (rtl_unroll_and_peel_loops): Ditto.
7135 (rtl_doloop): Ditto.
7136 * gimple-low.c (lower_function_body): Ditto.
7137 (mark_used_blocks): Ditto.
7138 * tree-ssa-sink.c (execute_sink_code): Ditto.
7139 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7140 (cgraph_early_inlining): Ditto.
7141 * global.c (rest_of_handle_global_alloc): Ditto.
7142 * jump.c (cleanup_barriers): Ditto.
7143 (purge_line_number_notes): Ditto.
7144 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7145 (rest_of_handle_if_after_reload): Ditto.
7146 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7147 (tree_ssa_loop_im): Ditto.
7148 (tree_ssa_loop_unswitch): Ditto.
7149 (tree_vectorize): Ditto.
7150 (tree_linear_transform): Ditto.
7151 (tree_ssa_loop_ivcanon): Ditto.
7152 (tree_ssa_empty_loop): Ditto.
7153 (tree_ssa_loop_bounds): Ditto.
7154 (tree_complete_unroll): Ditto.
7155 (tree_ssa_loop_prefetch): Ditto.
7156 (tree_ssa_loop_ivopts): Ditto.
7157 (tree_ssa_loop_done): Ditto.
7158 * predict.c (tree_estimate_probability): Ditto.
7159 * recog.c (split_all_insns_noflow): Ditto.
7160 (rest_of_handle_peephole2): Ditto.
7161 (rest_of_handle_split_all_insns): Ditto.
7162 * tree-eh.c (lower_eh_constructs): Ditto.
7163 * regmove.c (rest_of_handle_regmove): Ditto.
7164 (rest_of_handle_stack_adjustments): Ditto.
7165 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7166 * function.c (instantiate_virtual_regs): Ditto.
7167 (init_function_for_compilation): Ditto.
7168 (rest_of_handle_check_leaf_regs): Ditto.
7169 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7170 (rest_of_handle_gcse): Ditto.
7171 * ipa-type-escape.c (type_escape_execute): Ditto.
7172 * alias.c (rest_of_handle_cfg): Ditto.
7173 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7174 * profile.c (rest_of_handle_branch_prob): Ditto.
7175 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7176 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7177 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7178 * tree-dfa.c (find_referenced_vars): Ditto.
7179 * except.c (set_nothrow_function_flags): Ditto.
7180 (convert_to_eh_region_ranges): Ditto.
7181 (rest_of_handle_eh): Ditto.
7182 * emit-rtl.c (unshare_all_rtl): Ditto.
7183 (remove_unnecessary_notes): Ditto.
7184 * except.h (set_nothrow_function_flags): Ditto.
7185 (convert_to_eh_region_ranges): Ditto.
7186 * cfgexpand.c (tree_expand_cfg): Ditto.
7187 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7188 * tree-ssa-pre.c (do_pre): Ditto.
7189 (execute_fre): Ditto.
7190 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7191 (rest_of_handle_jump2): Ditto.
7192 * tree-sra.c (tree_sra): Ditto.
7193 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7194 (execute_mudflap_function_decls): Ditto.
7195 * tree-ssa-copy.c (do_copy_prop): Ditto.
7196 (do_store_copy_prop): Ditto.
7197 * ipa-prop.h (ipcp_driver): Ditto.
7198 * cfglayout.c (insn_locators_initialize): Ditto.
7199 * tree-ssa-forwprop.c
7200 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7201 * cfglayout.h (insn_locators_initialize): Ditto.
7202 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7203 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7204 (execute_late_warn_uninitialized): Ditto.
7205 * rtl.h (cleanup_barriers): Ditto.
7206 (split_all_insns_noflow): Ditto.
7207 (purge_line_number_notes): Ditto.
7208 (unshare_all_rtl): Ditto.
7209 (remove_unnecessary_notes): Ditto.
7210 (recompute_reg_usage): Ditto.
7211 (variable_tracking_main): Ditto.
7212 * integrate.c (emit_initial_value_sets): Ditto.
7213 * integrate.h (emit_initial_value_sets): Ditto.
7214 * tree-optimize.c (execute_free_datastructures): Ditto
7215 (execute_free_cfg_annotations): Ditto.
7216 (execute_fixup_cfg): Ditto.
7217 (execute_cleanup_cfg_pre_ipa): Ditto.
7218 (execute_cleanup_cfg_post_optimizing): Ditto.
7219 (execute_init_datastructures): Ditto.
7220 * tree-object-size.c (compute_object_sizes): Ditto.
7221 * combine.c (rest_of_handle_combine): Ditto.
7222 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7223 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7224 (rest_of_handle_reorder_blocks): Ditto.
7225 (rest_of_handle_partition_blocks): Ditto.
7226 * var-tracking.c (variable_tracking_main): Ditto.
7227 * tree-profile.c (tree_profiling): Ditto.
7228 * tree-vect-generic.c (expand_vector_operations): Ditto.
7229 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7230 * sched-rgn.c (rest_of_handle_sched): Ditto.
7231 (rest_of_handle_sched2): Ditto.
7232 * basic-block.h (free_bb_insn): Ditto.
7233 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7234 * tree-cfg.c (execute_build_cfg): Ditto.
7235 (remove_useless_stmts): Ditto.
7236 (split_critical_edges): Ditto.
7237 (execute_warn_function_return): Ditto.
7238 (execute_warn_function_noreturn): Ditto.
7239 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7240 * cfgrtl.c (free_bb_for_insn): Ditto.
7241 * passes.c (execute_one_pass): Run additional
7242 todos returned by execute function.
7243 * tree-pass.h (struct tree_opt_pass): Make execute
7246 2006-03-02 Richard Guenther <rguenther@suse.de>
7248 * tree-ssa-alias.c (find_used_portions): Consider taking
7249 the address as making the variable not write-only.
7251 2006-03-02 Nick Clifton <nickc@redhat.com>
7253 * config.gcc (default_use_cxa_atexit): Extend the description of
7254 this configure variable. Set its default value to "yes" for
7255 Linux, NetBSD and ELF targets on the assumption that they will
7256 use C libraries with the __cxa_atexit function.
7258 2006-03-02 Ben Elliston <bje@au.ibm.com>
7260 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7261 parameter as unused to suppress a build warning.
7263 2006-03-02 Ben Elliston <bje@au.ibm.com>
7265 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7268 2006-03-01 Roger Sayle <roger@eyesopen.com>
7271 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7272 declared name, the weak reference name, and the typeof name.
7273 (__gthrw): Avoid expanding the declared name suffix.
7274 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7276 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7278 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7280 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7281 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7282 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7283 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7284 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7285 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7286 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7287 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7288 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7289 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7290 (DW_END_default, DW_END_big, DW_END_little): New.
7291 (DW_END_lo_user, DW_END_hi_user): Define.
7292 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7293 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7294 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7297 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7299 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7301 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7303 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7305 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7307 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7308 to 'symbol_mem_tag'.
7310 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7313 2006-03-01 Roger Sayle <roger@eyesopen.com>
7315 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7317 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7320 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7321 MACHO_DYNAMIC_NO_PIC_P.
7322 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7324 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7327 * config/darwin-protos.h (darwin_asm_output_anchor):
7329 * config/darwin-sections.def (cstring_section):
7330 Add SECTION_MERGE to the flags.
7331 (literal4_section): Likewise.
7332 (literal8_section): Likewise.
7333 (objc_selector_refs_section): Likewise.
7334 (objc_cls_refs_section): Likewise.
7335 * config/darwin.c (darwin_asm_output_anchor): New
7337 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7339 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7341 Fix PR tree-optimization/26443
7342 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7343 to todo and PROP_tmt_usage to properties_destroyed.
7344 * tree-ssa-ccp.c (pass_ccp): Ditto.
7345 (pass_store_ccp): Ditto.
7346 * tree-ssa-dom.c (pass_dominator): Ditto.
7348 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7350 * tree-ssa-operands.c: Cleanup whitespace.
7351 (get_asm_expr_operands): Move before first invocation.
7352 (get_indirect_ref_operands): Likewise.
7353 (get_tmr_operands): Likewise.
7354 (get_call_expr_operands): Likewise.
7355 (append_def): Likewise.
7356 (append_use): Likewise.
7357 (append_v_may_def): Likewise.
7358 (append_v_must_def): Likewise.
7359 (add_call_clobber_ops): Likewise.
7360 (add_call_read_ops): Likewise.
7361 (add_stmt_operand): Likewise.
7362 (add_virtual_operand): Likewise.
7363 (build_ssa_operands): Likewise.
7365 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7370 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7371 with a call expr to ...
7372 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7374 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7376 * tree-vrp.c (extract_range_from_assert): Remove special
7377 handling for types with super-types.
7379 2006-03-01 Ben Elliston <bje@au.ibm.com>
7381 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7382 and powerpc64-*-linux* configurations.
7383 * config/t-dfprules: New file.
7385 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7386 Compile dfp-bit.c from the source directory using -DWIDTH and
7387 $DFP_CFLAGS to control the compilation of that file, rather than
7388 generating width-specific versions in the build directory.
7389 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7390 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7392 2006-02-28 Zack Weinberg <zackw@panix.com>
7394 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7397 2006-02-28 Eric Christopher <echristo@apple.com>
7399 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7400 Set up IN_LIBGCC definition of TARGET_64BIT.
7401 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7403 2006-02-28 Roger Sayle <roger@eyesopen.com>
7406 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7407 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7408 cases via the construction of "expr != 0".
7410 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7412 * alias.c (alias_invariant, alias_invariant_size): Remove.
7413 (record_base_value): Remove.
7414 (memrefs_conflict_p): Don't look at alias_invariant.
7415 (end_alias_analysis): Don't free it.
7416 * alias.h (record_base_value): Remove prototype.
7418 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7419 Adam Nemet <anemet@caviumnetworks.com>
7421 * rtl.h (truncated_to_mode): Declare it.
7422 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7423 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7424 (RTL_HOOKS_INITIALIZER): Include it.
7425 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7426 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7427 reg_truncated_to_mode.
7428 * rtlanal.c (truncated_to_mode): Define it.
7429 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7431 2006-02-28 Jeff Law <law@redhat.com>
7433 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7434 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7435 the range allowed by TYPE_PRECISION.
7437 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7439 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7441 PR tree-optimization/26419
7442 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7445 2006-02-27 Zack Weinberg <zackw@panix.com>
7447 * doc/md.texi: Fix typo in previous change.
7449 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7453 2006-02-27 Zack Weinberg <zackw@panix.com>
7455 * rtl.def (define_constraint, define_register_constraint)
7456 (define_memory_constraint, define_address_constraint): New MD forms.
7457 * gensupport.c (process_rtx): Put define_constraint etc on the
7459 * genpreds.c (process_define_predicate): Adjust comment. Validate
7460 the name, and call validate_exp to validate the expression.
7461 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7462 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7463 all callers changed.
7464 (validate_exp, needs_variable, struct constraint_data)
7465 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7466 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7467 (const_dbl_constraints, constraint_max_namelen)
7468 (have_register_constraints, have_memory_constraints)
7469 (have_address_constraints, have_address_constraints)
7470 (have_extra_constraints, have_const_int_constraints)
7471 (have_const_dbl_constraints, mangle, add_constraint)
7472 (process_define_constraint, process_define_register_constraint)
7473 (write_enum_constraint_num, write_lookup_constraint)
7474 (write_insn_constraint_len, write_regclass_for_constraint)
7475 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7476 (write_insn_extra_memory_constraint)
7477 (write_insn_extra_address_constraint)
7478 (write_satisfies_constraint_fns): New.
7479 (write_tm_preds_h): If we have new-style constraint definitions,
7480 prototype the functions generated from them, and define the
7481 old constraint interface (still used by generic code) in terms of
7483 (write_insn_preds_c): If we have new-style constraint definitions,
7484 generate all relevant functions from those definitions.
7485 (main): Handle define_constraint etc.
7486 * genoutput.c (struct constraint_data, indep_constraints)
7487 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7488 (mdep_constraint_len): New data structures and functions, defined
7489 #ifdef USE_MD_CONSTRAINTS.
7490 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7491 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7492 use new logic to validate operand constraints against constraint
7494 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7496 * defaults.h: If none of the old-style constraint macros are
7497 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7498 old-style macros; and poison REG_CLASS_FROM_LETTER,
7499 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7501 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7502 * doc/md.texi: Document new constraint-definition mechanism and the
7503 C interface it provides. Remove references to old mechanism
7504 elsewhere in the document.
7505 (Machine Constraints): Use pathnames relative to gcc directory,
7506 i.e. config/ARCH/FILE. Change i386 section to refer to
7507 config/i386/predicates.md; update that section to match docstrings.
7508 * doc/tm.texi: Move all documentation of the old constraint-
7509 definition macros to their own section, clearly mark as obsolete.
7511 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7512 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7514 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7515 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7516 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7518 (splits and peepholes): Use satisfies_constraint_*.
7519 * config/i386/i386.c (memory_address_length)
7520 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7522 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7524 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7525 scalar operation to be put back into the loop.
7527 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7530 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7531 (extract_cie_info): Handle S flag in augmentation string.
7532 (execute_cfa_program): If context->signal_frame, execute also
7533 fs->pc == context->ra instructions.
7534 (uw_frame_state_for): If context->signal_frame, don't subtract one
7535 from context->ra to find FDE.
7536 (uw_update_context_1): Set context->signal_frame to
7538 (_Unwind_GetIPInfo): New function.
7539 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7540 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7542 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7543 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7544 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7545 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7546 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7547 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7548 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7549 x86_64_fallback_frame_state): Set fs->signal_frame.
7550 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7551 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7552 (frob_update_context): Likewise. Workaround missing S flag in
7553 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7554 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7555 Remove the psw_addr + 1 hack.
7557 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7559 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7560 with aggregates here.
7561 (find_func_aliases): Remove code for &<aggregate> from here.
7563 2006-02-26 Roger Sayle <roger@eyesopen.com>
7565 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7566 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7567 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7570 2006-02-26 Roger Sayle <roger@eyesopen.com>
7573 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7575 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7577 * opts.c (decode_options): Do not handle flag_strength_reduce.
7578 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7579 and OPT_fstrength_reduce.
7580 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7581 flag_prefetch_loop_arrays for being nonzero.
7582 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7584 (fprefetch-loop-arrays-rtl): Removed.
7585 (flag_prefetch_loop_arrays): Do not specify the value.
7587 * doc/passes.texi: Update documentation of loop optimizer
7589 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7590 -frerun-loop-opt): Remove.
7592 2006-02-26 Richard Guenther <rguenther@suse.de>
7594 PR tree-optimization/26421
7595 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7596 in function calls that are ADDR_EXPRs as using the whole structure.
7598 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7600 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7601 * tree-pass.h (pass_loop_optimize): Remove.
7602 * passes.c (pass_loop_optimize): Never run it.
7603 * toplev.c (backend_init): Don't call init_loop.
7604 * opts.c (flag_loop_optimize_set): Remove.
7605 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7606 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7607 the old RTL loop optimizer when profiling enabled.
7608 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7609 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7610 pre-headers for the sake of the old RTL loop optimizer.
7611 * Makefile.in: Remove all references to loop.o.
7613 * doc/invoke.texi: Remove all references to -floop-optimize
7614 and -frerun-loop-opt.
7616 2006-02-26 Zack Weinberg <zackw@panix.com>
7618 * doc/md.texi (Machine Constraints): Refer to all files with paths
7619 relative to gcc directory (i.e. config/CPU/file). Add missing
7620 @table @code ... @end table to M32C subsection.
7622 2006-02-26 Roger Sayle <roger@eyesopen.com>
7624 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7626 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7628 2006-02-26 Roger Sayle <roger@eyesopen.com>
7629 James A. Morrison <phython@gcc.gnu.org>
7632 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7633 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7634 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7635 signedness of the shift operation.
7637 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7639 PR tree-optimization/26359
7640 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7642 2006-02-25 Roger Sayle <roger@eyesopen.com>
7644 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7645 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7646 as X == 0, and some symmetry related transformations.
7647 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7649 2006-02-25 Roger Sayle <roger@eyesopen.com>
7652 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7653 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7654 symmetry related transformations. Fold (X^C1) == C2 as
7657 2006-02-25 Juergen Weigert <jw@suse.de>
7658 Richard Guenther <rguenther@suse.de>
7660 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7662 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7664 * combine.c (gen_lowpart_or_truncate): Call
7665 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7667 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7669 * doc/invoke.texi: Move -fopenmp description to "Options for
7671 Remove reference to -lgomp.
7673 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7675 * doc/install.texi: Require GNU tar version 1.14.
7677 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7679 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7680 * doc/invoke.texi (C++ Dialect Options): Document
7681 -fno-use-cxa-get-exception-ptr.
7682 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7683 * configure: Regenerate.
7684 * c.opt (fuse-cxa-get-exception-ptr): New.
7685 * c-opts.c (c_common_handle_option): Handle
7686 OPT_fuse_cxa_get_exception_ptr.
7687 * c-common.c (flag_use_cxa_atexit): Update documentation.
7688 (flag_use_cxa_get_exception_ptr): New.
7689 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7690 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7692 (C_COMMON_OVERRIDE_OPTIONS): New.
7694 2006-02-24 Roger Sayle <roger@eyesopen.com>
7697 * combine.c (try_combine): Explicitly check whether GET_CODE is
7698 a SET or a CLOBBER, instead on checking that it isn't a USE.
7700 2006-02-24 Roger Sayle <roger@eyesopen.com>
7702 * fold-const.c (fold_comparison): New subroutine of fold_binary
7703 containing transformations common to both the equality and
7704 ordering relational operators, factored out of fold_binary.
7705 (fold_binary): Separate out the equality operators (EQ_EXPR
7706 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7707 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7708 transformations common to both.
7709 (fold_div_compare): Fix latent bugs in the previously unreachable
7710 LT_EXPR and GE_EXPR cases.
7712 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7714 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7715 decl libname for clog to __clog on AIX.
7717 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7719 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7722 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7723 output traceback table for thunks. Localise rs6000_stack_info call.
7725 2006-02-23 Roger Sayle <roger@eyesopen.com>
7726 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7728 * gthr-posix.h (__gthrw): Fix typo in comment.
7730 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7732 * doc/cpp.texi (Character sets): Document that we do support
7733 input files to be in any character set.
7735 2006-02-23 Jeff Law <law@redhat.com>
7737 * tree.h (PHI_ARG_NONZERO): Remove.
7738 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7739 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7740 node to the new node.
7742 PR tree-optimization/26425
7743 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7744 min/max, then assume its varying.
7746 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7748 PR rtl-optimization/26316
7749 * rtlanal.c (enum may_trap_p_flags): New.
7750 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7751 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7752 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7753 (may_trap_after_code_motion_p): New function.
7754 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7755 (find_invariant_insn): Use may_trap_after_code_motion_p.
7756 * rtl.h (may_trap_after_code_motion_p): Declare.
7758 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7760 * emit-rtl.c (immed_double_const): Cleanup.
7762 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7764 Fix PR tree-optimization/26376
7765 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7768 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7771 * gimplify.c (omp_add_variable): Guard variable size decl test with
7772 DECL_SIZE (decl) check.
7774 2006-02-23 Richard Guenther <rguenther@suse.de>
7777 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7778 like aggregate types.
7780 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7782 * configure.ac: Add --with{,out}-long-double-128 configure option.
7783 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7784 * configure: Rebuilt.
7785 * config.in: Rebuilt.
7786 * doc/install.texi (Options specification): Document
7787 --with-long-double-128.
7789 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7790 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7791 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7792 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7794 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7796 * config/s390/s390.c (override_options): Handle
7797 TARGET_DEFAULT_LONG_DOUBLE_128.
7799 * config/alpha/alpha.c (override_options): Handle
7800 TARGET_DEFAULT_LONG_DOUBLE_128.
7802 * config/sparc/sparc.c (sparc_override_options): Handle
7803 TARGET_DEFAULT_LONG_DOUBLE_128.
7805 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7807 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7808 (real-install-headers-tar, real-install-headers-cpio)
7809 (real-install-headers-cp): New targets.
7811 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7813 * tree.h (variable_section): Delete.
7814 * varasm.c (variable_section): Delete.
7816 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7818 * install.texi: Add notes on install.texi2html.
7819 (Building in parallel): Do not use footnotes.
7821 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7824 * doc/install.texi (Configuration): Document --disable-libgomp.
7826 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7828 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7830 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7832 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7833 (vec_extractv2df_0_sse): New.
7835 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7837 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7838 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7839 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7840 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7841 to the result of the expression.
7842 (def_cfa_1): Adjust.
7843 (frame_pointer_cfa_offset): Rename to...
7844 (frame_pointer_fb_offset): ... this. Adjust all uses.
7845 (convert_cfa_to_loc_list): Rename to...
7846 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7847 Pass it on to build_cfa_loc.
7848 (compute_frame_pointer_to_cfa_displacement): Rename to...
7849 (compute_frame_pointer_to_fb_displacement): ... this. New
7850 offset parameter. Use it in computation.
7851 (gen_subprogram_die): Compute cfa_fb_offset with the new
7852 macro, and use it to compute the fb loc list and the
7855 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7857 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7858 replaced with register_operand.
7859 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7860 non-DREG is expensive.
7861 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7862 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7865 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7867 * doc/install.texi2html: Use set -e.
7869 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7871 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7872 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7873 * doc/invoke.texi (-fshared-data): Delete.
7874 * common.opt (fshared-data): Delete.
7875 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7876 (assemble_static_space): Remove #if 0 code.
7877 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7878 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7879 * config/cris/cris.h: Remove FIXME.
7881 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7883 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7886 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7889 * combine.c (simplify_shift_const_1): Disable nested shifts
7890 optimization for vector shifts.
7892 2006-02-20 Roger Sayle <roger@eyesopen.com>
7894 PR tree-optimization/26361
7895 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7896 of unsigned integer types.
7898 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7900 * tree-chrec.c (eq_evolutions_p): New.
7901 * tree-chrec.h (eq_evolutions_p): Declared.
7902 * tree-data-ref.c: Fix formatting.
7903 (datadep_stats, dependence_stats): New.
7905 (print_direction_vector): New.
7906 (dump_data_dependence_relation): Use print_direction_vector.
7907 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7908 (compute_subscript_distance): Static.
7909 (initialize_data_dependence_relation): Static. Get the number
7910 of loops surrounding the references from the callers, and initialize
7911 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7912 base_object_differ_p analyzers.
7913 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7914 compute_overlap_steps_for_affine_1_2,
7915 analyze_subscript_affine_affine): Count the classified dependences.
7916 Print a message when a test failed.
7917 (can_use_analyze_subscript_affine_affine): New.
7918 (analyze_siv_subscript): Compute the data dependences on symbolic
7919 scevs that verify can_use_analyze_subscript_affine_affine.
7920 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7921 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7922 Handle symbolic scevs.
7923 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7925 (subscript_dependence_tester): Moved...
7926 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7927 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7928 DDR_SIZE_VECT instead of getting it in parameter.
7929 (subscript_dependence_tester): ... here. Take as a parameter
7930 loop_nest_depth. Call build_classic_dist_vector and
7931 build_classic_dir_vector.
7932 (compute_affine_dependence): Update subscript_dependence_tester
7933 parameters. Update datadep_stats counters. Call
7934 compute_subscript_distance.
7935 (compute_self_dependence): Save the dist and dir vectors. Call
7936 compute_subscript_distance.
7937 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7938 (compute_all_dependences): Reorder parameters as they were before
7939 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7940 compute_subscript_distance. Update the use of
7941 compute_affine_dependence and initialize_data_dependence_relation.
7942 (find_data_references_in_loop): Handle COMPONENT_REF.
7943 (compute_data_dependences_for_loop): Initialize dependence_stats.
7944 Don't call build_classic_dist_vector and build_classic_dir_vector.
7945 Update the parameters of initialize_data_dependence_relation and
7946 compute_all_dependences. Print the statistics from datadep_stats.
7947 (analyze_all_data_dependences): Static. Not used until the pass for
7948 checking the data dependences is contributed.
7949 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7950 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7951 (initialize_data_dependence_relation, compute_affine_dependence,
7952 analyze_all_data_dependences, compute_subscript_distance): Removed.
7953 (print_direction_vector): New.
7954 * lambda.h (gcd): ... here.
7955 (lambda_vector_gcd): Moved here from gcd_vector.
7956 * lambda-code.c (gcd, gcd_vector): Removed.
7957 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7958 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7960 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7962 * ipa-type-escape.c: Tidy some comments and white space.
7963 * tree-ssa-operands.c: Likewise.
7965 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7968 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7969 (dump_decl_name): Do not walk the decl tree chains.
7970 * tree-pass.h (TDF_CHAIN): Remove.
7972 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7974 * Makefile.in (C): Remove
7976 (.PHONY): Remove C and PROTO
7978 2006-02-20 Roger Sayle <roger@eyesopen.com>
7981 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7982 deprecated CHAR_TYPE tree code.
7984 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7986 * configure.ac (target_list): Add install-info, dvi, html.
7987 * configure: Regenerate.
7989 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7990 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7991 treelang/Make-lang.in: Do not use double-colon rules.
7993 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7995 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7996 (TMT_USED_ALONE): New macro.
7997 * tree-pass.h (PROP_tmt_usage): New property.
7998 (TODO_update_tmt_usage): New todo.
7999 * tree-ssa-alias.c (updating_used_alone): New variable.
8000 (recalculate_used_alone): New function.
8001 (compute_may_aliases): Set updating_used_alone, call
8002 recalculate_used_alone.
8003 * tree-sra.c (pass_sra): Note that this pass destroys
8004 PROP_tmt_usage, and add TODO_update_tmt_usage.
8005 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8006 * tree-flow.h (updating_used_alone): Prototype.
8007 (recalculate_used_alone): Ditto.
8008 * passes.c (execute_todo): Add code to set updating_used_alone,
8009 and call recalculate.
8010 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8011 for clobber if used alone, and add assert to verify used_alone
8014 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8016 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8017 for non tls symbols added.
8018 (legitimize_address): Do nothing for PLUS expressions if one of the
8019 addends is a tls symbol reference.
8021 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8025 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8027 * Makefile.in (BOOTSTRAPPING): New.
8028 (quickstrap): New definition if BOOTSTRAPPING=yes.
8030 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8031 * configure.ac: Substitute all_selected_languages with the languages
8032 that were configured. For all the other variables except
8033 lang_specs_files, include all the languages in the tree.
8034 * configure: Regenerate.
8036 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8037 if there is one. Run the commands to run fixincludes in the same
8040 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8041 * doc/install.texi: Document exact conventions for searching target tools.
8042 Document --with-build-time-tools. Document toplevel bootstrap. Document
8043 something more about building an Ada cross-compiler. Don't list GNU Make
8044 requirements which affect all platforms.
8046 2006-02-19 Roger Sayle <roger@eyesopen.com>
8049 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8050 only equivalent if the have both the same mode and precision.
8052 2006-02-20 Ben Elliston <bje@au.ibm.com>
8054 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8056 2006-02-19 Roger Sayle <roger@eyesopen.com>
8057 Steven Bosscher <stevenb.gcc@gmail.com>
8059 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8060 constant pool references to identify stack mode constants.
8061 * rtlanal.c (constant_pool_constant_p): New predicate to check
8062 whether operand is a floating point constant in the pool.
8063 * rtl.h (constant_pool_constant_p): Prototype here.
8064 * loop.c (scan_loop): Avoid hoisting constants from the constant
8065 pool on STACK_REGS targets.
8066 (load_mems): Likewise.
8067 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8068 loads into x87 registers expensive in terms of register pressure.
8070 2006-02-19 Roger Sayle <roger@eyesopen.com>
8072 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8073 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8075 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8077 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8078 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8080 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8082 * doc/invoke.texi: Document -fipa-pta.
8083 * common.opt: Add ipa-pta option.
8084 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8085 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8086 (do_ds_constraint): Ditto.
8087 (get_constraint_for): Only add to referenced_vars if
8088 referenced_vars exists.
8089 (insert_into_field_list): Rewrite to do this unsorted.
8090 (insert_into_field_list_sorted): Rename old insert_into_field_list
8092 (create_function_info_for): Use insert_into_field_list_sorted.
8093 (create_variable_info_for): Rewrite so it uses unsorted version,
8094 since the field list is sorted.
8095 (intra_create_variable_infos): Only add to referenced_vars if
8096 referenced_vars exists.
8097 (ipa_pta_execute): Init heapvars, and delete when done.
8098 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8100 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8102 * doc/install.texi: Add missing `@samp'.
8104 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8106 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8109 2006-02-18 Mark Wielaard <mark@klomp.org>
8111 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8112 who added new 4.1 features, bug fixes and integration support.
8114 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8117 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8120 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8122 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8123 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8124 (copy_insn_1): Likewise. Don't copy each field individually.
8126 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8128 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8129 * rtl.c (rtx_size): Rename variable to...
8130 (rtx_code_size): ...this.
8131 (rtx_size): New function.
8132 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8133 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8135 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8136 * rtl.h (rtx_code_size): New variable.
8137 (rtx_size): Change from a variable to a function.
8138 (RTX_SIZE): Rename to...
8139 (RTX_CODE_SIZE): ...this.
8142 PR tree-optimization/17106
8143 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8144 (Anchored Addresses): New section.
8145 * doc/invoke.texi (-fsection-anchors): Document.
8146 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8147 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8148 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8149 * hooks.c (hook_bool_mode_rtx_false): New function.
8150 * hooks.h (hook_bool_mode_rtx_false): Declare.
8151 * gengtype.c (create_optional_field): New function.
8152 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8153 SYMBOL_REF_IN_BLOCK_P is true.
8154 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8155 (min_anchor_offset, max_anchor_offset): Likewise.
8156 (use_anchors_for_symbol_p): New hook.
8157 * toplev.c (compile_file): Call output_object_blocks.
8158 (target_supports_section_anchors_p): New function.
8159 (process_options): Check that -fsection-anchors is only used on
8160 targets that support it and when -funit-at-a-time is in effect.
8161 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8162 if the decl doesn't have one.
8163 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8164 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8165 of force_const_mem through use_anchored_address.
8166 (expand_expr_constant): New function.
8167 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8168 calling expand_expr for INDIRECT_REF.
8169 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8170 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8171 * expr.h (use_anchored_address): Declare.
8172 * loop-unroll.c: Don't declare rtx vectors here.
8173 * explow.c: Include output.h.
8174 (validize_mem): Call use_anchored_address.
8175 (use_anchored_address): New function.
8176 * common.opt (-fsection-anchors): New switch.
8177 * varasm.c (object_block_htab, anchor_labelno): New variables.
8178 (hash_section, object_block_entry_eq, object_block_entry_hash)
8179 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8180 (use_blocks_for_decl_p, change_symbol_section): New functions.
8181 (get_variable_section): New function, split out from assemble_variable.
8182 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8183 use_blocks_for_decl_p say so. Use change_symbol_section if the
8184 symbol has already been created.
8185 (assemble_variable_contents): New function, split out from...
8186 (assemble_variable): ...here. Don't output any code for
8187 block symbols; just pass them to place_block_symbol.
8188 Use get_variable_section and assemble_variable_contents.
8189 (get_constant_alignment, get_constant_section, get_constant_size): New
8190 functions, split from output_constant_def_contents.
8191 (build_constant_desc): Create a block symbol if use_object_blocks_p
8192 says so. Or into SYMBOL_REF_FLAGS.
8193 (assemble_constant_contents): New function, split from...
8194 (output_constant_def_contents): ...here. Don't output any code
8195 for block symbols; just pass them to place_section_symbol.
8196 Use get_constant_section and get_constant_alignment.
8197 (force_const_mem): Create a block symbol if use_object_blocks_p and
8198 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8199 (output_constant_pool_1): Add an explicit alignment argument.
8200 Don't switch sections here.
8201 (output_constant_pool): Adjust call to output_constant_pool_1.
8202 Switch sections here instead. Don't output anything for block symbols;
8203 just pass them to place_block_symbol.
8204 (init_varasm_once): Initialize object_block_htab.
8205 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8206 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8207 (place_block_symbol, get_section_anchor, output_object_block)
8208 (output_object_block_htab, output_object_blocks): New functions.
8209 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8210 (TARGET_ASM_OUT): Include it.
8211 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8212 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8213 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8214 (TARGET_INITIALIZER): Include them.
8215 * rtl.c (rtl_check_failed_block_symbol): New function.
8216 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8217 (block_symbol, object_block): New structures.
8218 (rtx_def): Add a block_symbol field to the union.
8219 (BLOCK_SYMBOL_CHECK): New macro.
8220 (rtl_check_failed_block_symbol): Declare.
8221 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8222 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8223 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8224 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8225 * output.h (output_section_symbols): Declare.
8226 (object_block): Name structure.
8227 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8228 (default_use_anchors_for_symbol_p): Declare.
8229 * Makefile.in (RTL_BASE_H): Add vec.h.
8230 (explow.o): Depend on output.h.
8231 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8232 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8233 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8234 (rs6000_use_blocks_for_constant_p): New function.
8236 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8238 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8240 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8243 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8246 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8248 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8252 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8255 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8256 instead of DECL_REGISTER.
8258 2006-02-18 Olivier Hainque <hainque@adacore.com>
8261 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8263 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8266 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8267 * opth-gen.awk: Handle Var and InverseMask together.
8268 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8269 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8270 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8271 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8273 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8274 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8275 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8276 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8277 LINUX_DYNAMIC_LINKER): Define.
8278 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8279 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8281 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8282 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8283 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8284 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8285 (TARGET_C99_FUNCTIONS): Don't define.
8286 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8287 GLIBC_DYNAMIC_LINKER.
8288 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8289 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8290 GLIBC_DYNAMIC_LINKER64): Define.
8291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8292 LINUX_DYNAMIC_LINKER64.
8293 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8295 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8297 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8298 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8299 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8300 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8301 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8303 and LINUX_DYNAMIC_LINKER32.
8304 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8305 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8306 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8307 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8308 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8310 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8311 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8312 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8313 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8314 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8315 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8316 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8317 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8318 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8319 LINUX_DYNAMIC_LINKER): Define.
8320 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8321 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8322 GLIBC_DYNAMIC_LINKER64): Define.
8323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8324 LINUX_DYNAMIC_LINKER64.
8325 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8326 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8327 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8328 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8329 LINUX_DYNAMIC_LINKER): Define.
8330 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8331 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8332 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8333 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8334 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8335 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8336 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8337 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8338 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8339 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8341 * doc/invoke.texi (-muclibc): Remove caveat about supported
8344 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8346 * doc/cpp.texi (__TIMESTAMP__): Document.
8348 2006-02-17 Roger Sayle <roger@eyesopen.com>
8351 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8352 C is one less than the width of X (and related transformations).
8353 * simplify-rtx.c (simplify_unary_operation_1): Transform
8354 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8355 depending on STORE_FLAG_VALUE, were C is one less then the
8358 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8360 Fix PR tree-optimization/26341
8361 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8362 about NAME_MEMORY_TAG's.
8364 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8367 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8368 with hardware float support, and software float support. Add fcpy
8369 alternative to hardware patterns. Add alternatives to copy between
8370 general and floating-point registers to the 32-bit pattern.
8371 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8372 secondary reload to load a QI or HI mode constant into a floating
8374 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8375 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8377 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8380 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8382 (load_macho_picbase_di): Likewise.
8384 2006-02-16 Jeff Law <law@redhat.com>
8386 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8387 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8388 (ssa_name_nonzero_p): Likewise.
8389 (get_value_range): Return NULL if VRP is not running.
8390 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8391 VRP routines do not discover a range.
8392 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8393 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8394 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8395 (tree_expr_nonnegative_p): Similarly.
8396 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8397 (restore_nonzero_vars_to_original_value): Remove.
8398 (unsafe_associative_fp_binop): Remove.
8399 (tree_ssa_dominator_optimize): Remove initialization and
8400 finalization of nonzero_vars and nonzero_vars_stack.
8401 (dom_opt_initialize_block): No longer push marker on
8403 (dom_opt_finalize_block): No longer call
8404 restore_nonzero_vars_to_original_value.
8405 (record_equivalences_from_phis): No longer look for
8406 nonzero PHI arguments.
8407 (cprop_into_successor_phis): No longer propagate nonzero
8408 property into PHI arguments. Lose unused argument. Caller
8410 (record_equivalences_from_stmt): No longer record nonzero
8411 values for SSA_NAMEs.
8412 (lookup_avail_expr): No longer use nonzero_vars.
8414 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8415 for sizetype when sizetype is unsigned.
8417 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8419 PR rtl-optimization/25603
8420 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8421 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8422 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8423 with new meaning of SETS.
8425 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8430 * config/linux.opt: New file.
8431 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8432 LINUX_DYNAMIC_LINKER): Define.
8433 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8434 * config.gcc (*-*-linux*): Define extra_options.
8435 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8436 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8437 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8438 GLIBC_DYNAMIC_LINKER.
8439 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8440 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8441 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8443 * doc/invoke.texi (GNU/Linux Options): New section.
8445 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8447 * config/sparc/sparc.md (setjmp): Rewrite.
8448 (setjmp_32): Delete.
8449 (setjmp_64): Likewise.
8451 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8453 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8456 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8458 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8461 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8463 PR rtl-optimization/26296
8464 * Makefile.in (loop-invariant.c): Add except.h dependency.
8465 * loop-invariant.c: Include except.h.
8466 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8468 2005-02-16 Paul Brook <paul@codesourcery.com>
8470 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8473 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8475 PR rtl-optimization/25636
8476 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8477 when deciding whether an insn is an initializing insn.
8479 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8481 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8482 (tree_code_size): Ditto.
8483 * tree.h (struct tree_memory_tag): Remove parent_var.
8484 (struct tree_struct_field_tag): New.
8487 (union tree_node): Add sft member.
8488 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8490 (create_sft): Add size and offset argument, set SFT_OFFSET and
8492 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8493 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8494 * tree-flow-inline.h (get_subvar_at): Update for
8495 SFT_OFFSET/SFT_SIZE.
8496 (var_can_have_subvars): Ditto.
8497 (overlap_subvar): Ditto.
8498 * print-tree.c (print_node): Print out interesting things for
8500 * tree-flow.h (struct subvar): Remove offset and size members.
8501 * tree-ssa-operands.c (get_expr_operands): Update for
8502 get_indirect_ref_operands changes.
8503 (get_indirect_ref_operands): Call add_virtual_operand instead of
8504 add_stmt_operand. Only recurse on base var if requested.
8505 (access_can_touch_variable): New function.
8506 (add_stmt_operand): Split virtual operand handling into ...
8507 (add_virtual_operand): Here. Add offset, size, and for_clobber
8508 arguments. Prune alias sets.
8509 (add_call_clobber_ops): Call add_virtual_operand.
8511 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8514 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8516 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8517 than TREE_CODE as index into omp_clause_num_ops array.
8519 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8521 PR rtl-optimization/26184
8522 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8524 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8525 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8526 must_precede, must_follow and tobe_scheduled.
8529 * opts.c (common_handle_option): Free new_option pointer.
8530 * df-core.c (df_analyze): Free postorder pointer.
8532 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8534 * Makefile.in: Fix the examples about the use of stamps
8536 2006-02-15 Michael Matz <matz@suse.de>
8540 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8541 influenced by maximum_field_alignment or DECL_PACKED.
8542 (update_alignment_for_field): Ditto.
8543 (place_field): Ditto.
8544 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8547 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8549 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8550 (debug_flow_info): Pass it.
8551 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8552 * bb-reorder.c (reorder_basic_blocks): Likewise.
8553 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8554 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8555 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8556 * gcse.c (gcse_main, bypass_jumps): Likewise.
8557 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8558 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8559 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8560 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8561 * rtl.h (dump_flow_info): Adjust prototype.
8562 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8563 * var-tracking.c (variable_tracking_main): Likewise.
8564 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8565 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8568 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8570 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8573 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8575 PR tree-optimization/26209
8576 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8577 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8579 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8581 2006-02-14 Roger Sayle <roger@eyesopen.com>
8584 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8585 (X,Y) and the corresponding symmetry related transformations.
8586 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8587 (X,Y) and its symmetry related transformations.
8589 2006-02-14 Roger Sayle <roger@eyesopen.com>
8591 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8594 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8596 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8598 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8601 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8602 support COMDAT group.
8603 * configure: Regenerate.
8605 2006-02-14 Roger Sayle <roger@eyesopen.com>
8610 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8612 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8614 Fix PR tree-optimization/26260
8616 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8618 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8619 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8620 * tree-ssa-structalias.c (create_variable_info_for): Use
8621 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8623 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8625 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8627 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8628 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8629 of the ending condition.
8630 * tree-ssa-loop-manip.c: Include params.h.
8631 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8632 tree_unroll_loop): New functions.
8633 * tree-pass.h (pass_loop_prefetch): Declare.
8634 * loop.c (rest_of_handle_loop_optimize): Test for
8635 -fprefetch-loop-arrays-rtl.
8636 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8637 * timevar.def (TV_TREE_PREFETCH): New timevar.
8638 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8639 pass_loop_prefetch): New.
8640 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8641 (cleanup_tree_cfg_loop): Call scev_reset.
8642 * common.opt (fprefetch-loop-arrays-rtl): Add.
8643 * tree-ssa-loop-prefetch.c: New file.
8644 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8645 (new_temp_expr_table): Initialize expr_vars.
8646 (free_temp_expr_table): Cleanup expr_vars.
8647 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8648 expressions from being merged into one.
8649 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8650 (struct tree_niter_desc): Add control, bound and cmp fields.
8651 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8653 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8654 (tree-cfgcleanup.o): Add SCEV_H dependency.
8655 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8656 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8658 2006-02-14 Richard Guenther <rguenther@suse.de>
8660 PR tree-optimization/26258
8661 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8662 in PHI argument processing.
8664 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8666 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8667 new expression in the requested machine mode.
8669 2006-02-13 Roger Sayle <roger@eyesopen.com>
8671 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8672 directly, instead let do_compare_rtx_and_jump handle this for us.
8673 * expr.c (expand_expr_real_1): Likewise.
8674 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8675 before do_jump_by_parts_greater.
8676 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8677 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8679 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8681 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8683 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8685 PR rtl-optimization/26235
8686 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8687 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8690 2006-02-13 Jeff Law <law@redhat.com>
8692 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8695 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8698 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8699 twice if decl is a builtin. When trying again, call get_callee_fndecl
8700 first to verify it is still a builtin.
8702 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8704 * dwarf2out.c (base_type_die): Don't add AT_name here.
8705 (subrange_type_die): Don't add AT_name here.
8706 (modified_type_die): Rearrange code flow. Do add AT_name here.
8708 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8710 PR rtl-optimization/26247
8711 PR rtl-optimization/26248
8712 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8714 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8716 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8717 * config/fixtfdi.c: Likewise.
8718 * config/fixunstfdi.c: Likewise.
8719 * config/floatditf.c: Likewise.
8721 2006-02-13 Roger Sayle <roger@eyesopen.com>
8724 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8725 into (X,C2) if C1 is a subset of the bits of C2. Transform
8726 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8728 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8730 2006-02-13 Josh Conner <jconner@apple.com>
8733 * varasm.c (function_section): Check for section name before
8734 calling select_section on targets that define
8735 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8736 unlikely_text_section instead of hot_function_section if
8737 first_function_block_is_cold.
8739 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8742 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8744 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8746 PR rtl-optimization/26222
8747 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8748 after tree->rtl expansion.
8749 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8750 before passing it to emit_move_insn.
8752 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8754 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8756 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8757 Clarify documentation.
8758 * c-common.h (warn_write_strings): Remove.
8759 * c-common.c (warn_write_strings): Likewise.
8760 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8763 2006-02-12 Roger Sayle <roger@eyesopen.com>
8766 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8767 (do_jump_parts_zero_rtx): New function renamed from
8768 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8769 (do_jump_parts_equality_rtx): New function split out from
8770 do_jump_parts_equality. Old implementation renamed as above.
8771 Call do_jump_parts_zero_rtx if either operand is zero.
8772 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8773 do all of the heavy lifting.
8774 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8775 calling either do_jump_by_parts_greater_rtx or
8776 do_jump_by_parts_equality_rtx.
8777 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8778 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8779 moved to do_compare_rtx_and_jump, call it directly.
8780 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8781 mode argument. Call do_compare_rtx_and_jump.
8782 (emit_case_nodes): Update calls to do_jump_if_equal.
8784 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8786 PR rtl-optimization/26225
8787 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8789 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8791 PR rtl-optimization/26232
8792 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8794 2006-02-11 Jason Merrill <jason@redhat.com>
8797 * tree-inline.c (declare_return_variable): Just don't use the
8798 modify target if it's a gimple complex reg and the return slot
8801 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8803 * doc/contrib.texi: Update my entry.
8805 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8807 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8809 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8811 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8814 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8816 * doc/invoke.texi (-floop-optimize2): Removed.
8817 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8818 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8819 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8820 * common.opt (floop-optimize2): Removed.
8821 (fmove-loop-invariants): Enabled by default.
8823 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8825 * tree-if-conv.c (combine_blocks): Free the result of
8826 get_loop_exit_edges.
8828 2006-02-10 Jeff Law <law@redhat.com>
8830 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8832 PR tree-optimization/26213
8833 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8834 loop trying to follow SSA_NAME_VALUE chains.
8836 2006-02-10 Richard Guenther <rguenther@suse.de>
8838 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8839 deal with structures that end in implicitly variable sized arrays.
8841 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8843 PR rtl-optimization/24762
8844 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8847 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8849 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8850 (struct ivopts_data): Add regs_used field.
8851 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8852 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8853 instead of loop_data->regs_used;
8854 (free_loop_data): Do not free aux fields for loops.
8855 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8856 and tree_ssa_iv_optimize_finalize.
8858 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8860 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8862 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8865 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8866 computing the effective result type.
8868 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8871 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8872 (tree_overlaps_hard_reg_set): Declare.
8873 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8874 type and signature to match function type expected by walk_tree.
8875 (tree_overlaps_hard_reg_set): New function.
8876 (decl_conflicts_with_clobbers_p): Rename to:
8877 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8878 Use tree_overlaps_hard_reg_set. Changed caller.
8879 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8880 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8881 * cris.c (cris_md_asm_clobbers): Likewise.
8883 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8885 * reload1.c (emit_input_reload_insns): Delete code that tries to
8886 inherit using find_equiv_reg.
8888 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8890 * c-common.h (flag_const_strings): Don't declare.
8891 * c-common.c (flag_const_strings): Remove.
8892 * c.opt (fconst_strings): Remove.
8893 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8894 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8895 (c_common_init_options): Don't set flag_const_strings.
8896 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8898 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8900 * arm.md (tlobits_cbranch): New pattern.
8901 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8902 testing a single bit.
8904 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8907 * tree-ssa-pre.c (create_component_ref_by_pieces):
8908 Handle RETURN_DECL like VAR_DECL.
8910 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8913 * fold-const.c (fold_indirect_ref_1): Fold
8914 "*(foo *)&complexfoo" to "__real__ complexfoo"
8915 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8917 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8919 * tree-flow-inline.h (var_can_have_subvars):
8920 Volatile variables should not have subvariables.
8922 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8925 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8926 multiplying unsigned values.
8929 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8931 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8933 2006-02-08 Jason Merrill <jason@redhat.com>
8936 * tree.def: Elaborate on difference from MODIFY_EXPR.
8937 * doc/c-tree.texi (INIT_EXPR): Likewise.
8938 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8939 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8940 (gimplify_target_expr): Likewise.
8941 (gimplify_cond_expr): Remove target handling.
8942 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8943 (gimplify_expr): Clobber it here.
8944 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8945 Do return slot optimization if we have an INIT_EXPR.
8948 * tree-inline.c (declare_return_variable): Also clear
8949 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8952 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8955 * gimplify.c (gimplify_one_sizepos): Fix typo.
8957 2006-02-08 Jeff Law <law@redhat.com>
8959 PR tree-optimization/21417
8960 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8961 across a backedge if the control statement at the end of the
8962 block is data dependent on other statements in the same block.
8963 (record_temporary_equivalences_from_stmts): Remove over-conservative
8964 test for threading across backedges.
8966 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8967 control statement, handle all three special cases in the same
8968 manner as they all have the same desired solution. No longer
8969 special case edge flag updating when the post dominator is
8972 2006-02-08 Roger Sayle <roger@eyesopen.com>
8974 * tree.def (CHAR_TYPE): Remove.
8975 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8976 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8977 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8978 (gen_string_type_die): Delete unreachable function.
8980 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8981 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8982 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8983 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8984 * builtins.c (type_to_class): Likewise.
8985 * fold-const.c (fold_convert, build_range_check,
8986 merge_ranges): Likewise.
8987 * expr.c (count_type_elements): Likewise.
8988 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8989 * stor-layout.c (layout_type): Likewise.
8990 * ipa-type-escape.c (type_to_consider): Likewise.
8991 * gimplify.c (omp_firstprivatize_type_sizes,
8992 gimplify_type_sizes): Likewise.
8993 * explow.c (promote_mode): Likewise.
8994 * tree-sra.c (is_sra_scalar_type): Likewise.
8995 * varasm.c (output_constant): Likewise.
8996 * tree-inline.c (remap_type_1): Likewise.
8997 * convert.c (convert_to_pointer, convert_to_real,
8998 convert_to_integer, convert_to_complex): Likewise.
9000 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9002 * df-scan.c (df_def_record_1): A set destination may
9003 be a parallel regardless of mode.
9005 2006-02-08 Roger Sayle <roger@eyesopen.com>
9008 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9009 * config/mips/_tilib.c: Remove.
9010 * config/fixtfdi.c: New libgcc source file.
9011 * config/fixunstfdi.c: New source file.
9012 * config/floatditf.c: New source file.
9013 * config/floatunditf.c: New souce file.
9014 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9015 files above instead of config/mips/_tilib.c.
9016 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9018 2006-02-08 Jeff Law <law@redhat.com>
9020 PR tree-optimization/26169
9021 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9024 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9026 * df.h (DF_REG_SIZE): Return the length of the initialized
9029 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9031 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9032 __muldf3): Return a correctly signed zero.
9034 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9036 * passes.c (register_one_dump_file): Accept the current properties
9037 instead of pass number. Adjust call to dump_register. Remove
9039 (register_dump_files): Now a wrapper around...
9040 (register_dump_files_1): ... this one. Do not modify the pass
9042 (next_pass_1): Cosmetic fix.
9043 (execute_todo): Keep second parameter only. Use curr_properties
9044 instead of fetching it from the pass structure. Check and set
9046 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9047 instead of fetching it from the pass structure. Fix calls to
9048 execute_todo. Update curr_properties and initialize .vcg RTL dump
9049 after running the pass. Reset last_verified.
9050 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9052 (FIRST_AUTO_NUMBERED_DUMP): New.
9053 (dump_register): Remove "num" parameter, assign it within the
9055 (get_dump_file_name): Modify template for dumps.
9056 * tree-dump.h (dump_register): Adjust prototype.
9057 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9058 (PROP_trees): Add PROP_gimple_lomp.
9059 (TODO_set_props): New.
9060 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9061 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9062 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9064 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9066 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9067 (sparc64-*-linux*): Likewise.
9068 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9069 * config/sparc/t-linux: New file.
9070 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9071 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9072 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9073 -m32 -mlong-double-128.
9075 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9076 * config/alpha/t-linux: New file.
9077 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9079 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9080 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9081 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9082 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9083 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9084 (CPP_ARCH32_SPEC): Remove.
9086 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9088 PR tree-optimization/26145
9089 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9092 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9095 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9096 >= 240000 when generating code for SOM runtime.
9097 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9098 to $$dyncall when generating code for SOM runtime..
9100 2006-02-07 Dirk Mueller <dmueller@suse.com>
9103 * doc/invoke.texi (-Wsequence-point): Update documentation
9104 that -Wsequence-point is implemented for C++ as well.
9106 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9108 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9109 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9110 (LIB_SPEC): Likewise.
9111 * doc/invoke.texi (SPARC options): Document -pthread.
9113 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9115 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9118 2006-02-07 Roger Sayle <roger@eyesopen.com>
9120 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9121 Correct comment describing BOOLEAN_TYPE.
9123 2006-02-07 Dirk Mueller <dmueller@suse.com>
9125 * c.opt: C++ frontend supports -Wdiv-by-zero.
9126 * c-opts.c (c_common_handle_option): Remove dead case.
9128 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9130 * configure.ac (TLS assembler check): Do not enable TLS by
9131 default on SPARC/Solaris before version 10.
9132 * configure: Regenerate.
9134 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9136 * doc/invoke.texi (xl-compat): Document conversion and support
9139 2006-02-07 Jeff Law <law@redhat.com>
9141 * tree-vrp.c (find_conditional_asserts): Update comments.
9142 (simplify_stmt_for_jump_threading): New.
9143 (identify_jump_threads, finalize_jump_threads): New.
9144 (vrp_finalize): Call identify_jump_threads.
9145 (execute_vrp): Call finalize_jump_threads.
9146 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9147 (vrp_element, vrp_data, vrp_element_p): Remove.
9148 (vrp_hash_elt, vrp_variables_stack): Remove.
9149 (vrp_hash, vrp_eq, record_range): Remove.
9150 (simplify_cond_and_lookup_avail_expr): Remove.
9151 (extract_range_from_cond): Remove.
9152 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9153 (simplify_stmt_for_jump_threading): New.
9154 (dom_thread_across_edge): New wrapper.
9155 (tree_ssa_dominator_optimize): No longer initialize or
9156 finalize any of the VRP datastructures. Remove iteration
9157 step and simplify as a result of removal of iteration step.
9158 (pass_dominator): Perform a cfg cleanup after DOM.
9159 (dom_opt_finalize_block): Use the new common routines
9160 for threading jumps. Simplify stack management slightly.
9161 No longer need to unwind VRP state.
9162 (record_equivalences_from_incoming_edge): No longer record
9164 (eliminate_redundant_computations): No longer call
9165 simplify_cond_and_lookup_avail_expr.
9166 * tree-flow.h (potentially_threadable_block): Prototype.
9167 (thread_across_edge): Likewise.
9168 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9169 (tree-ssa-threadedge.o): Add dependencies.
9170 * tree-ssa-threadedge.c: New file.
9171 * passes.c (init_optimization_passes): Merge PHIs before
9172 calling VRP. Run VRP again late in the SSA optimization pipeline.
9174 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9176 * df-core.c (df_set_blocks): Do not dereference function pointers.
9177 (df_finish1): Likewise.
9178 (df_hybrid_search_forward): Likewise.
9179 (df_hybrid_search_backward): Likewise.
9180 (df_iterative_dataflow): Likewise.
9181 (df_analyze_problem): Likewise.
9182 (df_compact_blocks): Likewise.
9183 (df_dump): Likewise.
9184 * df-scan.c (df_rescan_blocks): Likewise.
9185 (df_record_entry_block_defs): Likewise.
9187 * genconditions.c (write_conditions): Guard the definition of
9188 'insn_conditions' with the check on GCC version.
9189 (write_writer): Guard the traversal 'insn_conditions' with
9190 the check on GCC version.
9192 2006-02-07 Richard Guenther <rguenther@suse.de>
9196 2006-01-30 Richard Guenther <rguenther@suse.de>
9198 * gimplify.c (gimplify_target_expr): Handle easy cases
9199 without creating a temporary.
9201 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9203 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9204 use of float in probability computations. Use edge probabilities
9205 in place of statically computed probabilities.
9206 (min_spec_prob): New static variable.
9207 (schedule_insns): Initialize it.
9208 (GET_SRC_PROB): Removed.
9209 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9211 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9214 * config/ia64/unwind-ia64.c: Revert last change.
9215 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9216 (INCOMING_FRAME_SP_OFFSET): Define.
9218 2006-02-06 Roger Sayle <roger@eyesopen.com>
9220 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9222 2006-02-07 Ben Elliston <bje@au.ibm.com>
9224 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9225 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9226 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9227 (ix86_return_in_memory): Handle TDmode.
9228 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9229 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9231 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9233 * reorg.c (dbr_schedule): Use dump_file instead of file.
9235 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9238 * config/ia64/predicates.md (extr_len_operand): New predicate.
9239 * config/ia64/ia64.md (extv): Tighten constraints.
9241 (*tbit_and_2): Ditto.
9242 (*tbit_and_3): Ditto.
9243 (*tbit_or_2): Ditto.
9244 (*tbit_or_3): Ditto.
9248 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9251 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9253 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9255 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9256 loop_optimizer_init and loop_optimizer_finalize
9257 * tree-ssa-sink.c (execute_sink_code): Ditto.
9258 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9259 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9260 tree_ssa_loop_done): Ditto.
9261 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9262 * sched-ebb.c: Include output.h.
9263 (schedule_ebbs): Do not use dump argument.
9264 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9265 * loop.c (loop_dump_stream): Removed.
9266 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9268 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9269 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9270 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9271 loop_iterations, strength_reduce, record_biv, record_giv,
9272 final_giv_value, check_final_value, check_ext_dependent_givs,
9273 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9274 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9275 dump_file instead of loop_dump_stream.
9276 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9278 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9280 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9281 * haifa-sched.c: Include output.h
9282 (schedule_insns, sched_init): Do not use dump argument.
9283 * mode-switching.c (optimize_mode_switching): Ditto.
9284 * modulo-sched.c (stats_file): Removed.
9285 (print_node_sched_params): Do not call argument dump_file.
9286 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9287 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9289 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9291 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9292 rtl_loop_init, rtl_loop_done): Ditto.
9293 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9294 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9296 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9297 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9298 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9299 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9300 * emit-rtl.c (renumber_insns): Ditto.
9301 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9302 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9303 * regclass.c (regclass): Ditto.
9304 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9305 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9306 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9307 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9309 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9310 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9312 * gcse.c (gcse_file, debug_stderr): Removed.
9313 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9314 rest_of_handle_gcse): Do not use dump argument.
9315 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9316 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9317 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9318 compute_code_hoist_vbeinout, compute_code_hoist_data,
9319 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9320 compute_store_table, build_store_vectors, insert_insn_start_bb,
9321 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9322 store_motion): Use dump_file instead of gcse_file.
9323 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9324 * profile.c (profile_dump_file): Removed.
9325 (branch_prob): Use dump_file instead of profile_dump_file.
9326 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9328 * tree-ssa-copy.c (dump_copy_of): Ditto.
9329 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9330 dump file to life_analysis.
9331 * bt-load.c (branch_target_load_optimize): Ditto.
9332 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9334 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9335 regclass, dbr_schedule): Declaration changed.
9336 * sched-int.h (sched_init): Declaration changed.
9337 * tree-profile.c (tree_profile_dump_file): Removed.
9338 (tree_profile_hooks): Removed profile_dump_file hook.
9339 * rtl-profile (rtl_profile_dump_file): Removed.
9340 (rtl_profile_hooks): emoved profile_dump_file hook.
9341 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9343 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9344 * tree-cfg.c (build_tree_cfg): Ditto.
9345 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9346 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9347 Declaration changed.
9348 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9349 life_analysis and schedule_insns.
9350 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9352 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9354 * config/mips/mips.c (mips_reorg): Ditto.
9355 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9358 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9360 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9361 (s390_mangle_fundamental_type): New.
9362 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9365 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9366 (alpha_mangle_fundamental_type): New.
9367 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9370 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9372 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9374 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9375 (sparc_mangle_fundamental_type): New.
9377 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9379 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9380 (s390x-*-linux*): Likewise.
9381 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9382 * config/s390/t-linux: New file.
9384 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9386 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9387 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9389 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9391 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9392 (ANTIC_SAFE_LOADS): New macro.
9393 (find_or_generate_expression): Add prototype.
9394 (set_contains_value): Allow null set for sake of not always having
9395 to allocate ANTIC_SAFE_LOADS.
9396 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9397 Allow COMPONENT_REF too.
9398 (valid_in_set): Allow COMPONENT_REF.
9399 Check ANTIC_SAFE_LOADS too.
9400 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9401 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9403 (can_PRE_operation): Add COMPONENT_REF.
9404 (create_component_ref_by_pieces): New function.
9405 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9406 (insert_aux): Move AGGREGATE_TYPE_P check here.
9407 (compute_avail): Set bb local stmt uids.
9408 (pass_pre): Use TODO_update_ssa_only_virtuals.
9410 2006-02-06 Ben Elliston <bje@au.ibm.com>
9412 * configure.ac: Unconditionally disable decimal float by default.
9413 * configure: Regenerate.
9415 2006-02-06 Ben Elliston <bje@au.ibm.com>
9417 * read-rtl.c (read_name): Terminate reading on EOF.
9419 2006-02-06 Ben Elliston <bje@au.ibm.com>
9421 * dfp.c (decimal_real_arithmetic): Change second argument type
9422 from int to enum tree_code. Do not always return true, but now
9423 return result of any call to decimal_do helper functions.
9424 * dfp.h (decimal_real_arithmetic): Update prototype.
9426 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9428 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9430 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9433 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9436 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9438 * tree-vrp.c (cfg_loops): Removed.
9439 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9440 Use current_loops instead of cfg_loops. Pass flags to
9441 loop_optimizer_init.
9442 * cfgloopmanip.c (fix_loop_structure): Update only available
9444 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9445 loop_optimizer_init.
9446 * modulo-sched.c (build_loops_structure): Removed.
9447 (sms_schedule): Use loop_optimizer_init.
9448 * loop-init.c (loop_optimizer_init): Use flags to determine
9449 which properties of loops to prepare.
9450 (rtl_loop_init): Pass flags to loop_optimizer_init.
9451 * tree-ssa-sink.c (execute_sink_code): Ditto.
9452 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9453 * tree-ssa-pre.c (init_pre): Ditto.
9454 * cfgloop.h (LOOPS_NORMAL): New.
9455 (loop_optimizer_init): Declaration changed.
9457 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9459 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9460 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9462 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9464 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9466 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9467 * pa/t-pa64: Delete quadlib.c rule.
9468 * pa/x-ada: Revert last change.
9469 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9471 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9473 PR rtl-optimization/26087
9474 * rtlanal.c (canonicalize_condition): Do not cross basic block
9477 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9480 * config/ia64/ia64.c: Include debug.h.
9481 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9482 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9483 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9484 (process_epilogue, process_set, process_for_unwind_directive):
9485 Output unwind info only if requested. Add CFA info if requested.
9486 Add new arguments as needed. Adjust callers.
9487 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9489 (DWARF2_FRAME_INFO): Define to zero.
9490 * config/ia64/unwind-ia64.c: Remove code that compensated for
9491 the CFA offset error fixed above.
9492 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9493 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9494 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9495 -funwind-tables and -fexceptions to enable frame info.
9496 (dwarf2out_frame_init): Define initial CFA even if
9497 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9498 DWARF2_UNWIND_INFO is nonzero, not just defined.
9499 (dwarf2out_frame_finish): Output non-EH call frame info only
9500 if DWARF2_FRAME_INFO is nonzero.
9501 (convert_cfa_to_loc_list,
9502 compute_frame_pointer_to_cfa_displacement): Define even if
9503 unwind info is not supported.
9504 (gen_subprogram_die): Use the above unconditionally. Remove
9505 legacy alternate code.
9506 * toplev.c (compile_file): Compile in call to
9507 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9508 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9510 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9511 Jakub Jelinek <jakub@redhat.com>
9513 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9514 IBM extended float format long double as "g" on powerpc*-linux.
9516 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9519 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9520 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9522 2006-02-03 Jason Merrill <jason@redhat.com>
9525 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9528 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9529 on the return slot if it's an NRV.
9531 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9533 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9534 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9535 rewrite_use): Do not handle USE_OUTER.
9536 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9537 add_iv_outer_candidates, may_replace_final_value,
9538 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9539 (find_interesting_uses_op): Functionality of
9540 find_interesting_uses_outer_or_nonlin moved here.
9541 (find_interesting_uses_outside): Use find_interesting_uses_op.
9543 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9546 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9548 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9549 Ulrich Weigand <uweigand@de.ibm.com>
9552 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9553 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9554 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9555 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9557 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9558 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9559 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9560 Define secondary reloads for TFmode moves.
9561 (constant_modes): Add TFmode.
9562 (NR_C_MODES): Set to 8.
9563 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9565 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9566 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9567 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9568 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9569 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9570 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9571 (FPR mode macro): Add TFmode.
9572 (DSF mode macro): New.
9573 (<de>, <dee> mode attributes): Removed.
9574 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9575 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9576 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9577 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9578 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9579 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9580 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9581 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9582 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9583 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9584 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9585 "*negabs<mode>2", "sqrt<mode>2"):
9586 Changed <de> to <xde>. R constraint replaced by <Rf>.
9587 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9589 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9590 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9591 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9593 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9594 "extenddftf2", "extendsftf2"): New expanders.
9595 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9596 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9597 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9598 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9600 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9601 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9602 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9603 __floatditf): Add a GCC_4.1.0 symbol version tag.
9604 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9607 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9610 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9611 Use targetm.binds_local_p instead of TREE_PUBLIC.
9613 2006-02-02 Roger Sayle <roger@eyesopen.com>
9615 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9616 on INTEGER_TYPEs to indicate that it denotes a character type.
9617 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9618 signed_char_type_node, unsigned_char_type_node and char_type_node.
9619 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9620 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9621 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9623 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9624 Daniel Berlin <dberlin@dberlin.org>
9626 * tree-tailcall.c (arg_needs_copy_p): New function.
9627 (eliminate_tail_call): Use arg_needs_copy_p.
9628 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9629 (add_virtual_phis): New function.
9631 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9633 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9634 #ignore instead of #scratch for %g7 .register directive.
9636 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9638 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9641 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9643 * flow.c (calculate_global_regs_live): Assert that there aren't any
9646 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9648 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9650 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9651 bsi_after_labels iterator.
9652 * tree-if-conv.c (find_phi_replacement_condition,
9653 replace_phi_with_cond_modify_expr): Likewise.
9654 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9655 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9657 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9659 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9661 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9664 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9665 array after growing it.
9667 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9670 * fold-const.c (fold_checksum_tree): Change type of buf.
9672 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9674 * reload.c (push_secondary_reload): Initialize t_icode.
9676 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9678 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9679 -msoft-float -mlong-double-128 only issue a warning, but don't
9680 swich to DFmode long double.
9682 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9684 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9685 has a constant equivalent, iterate over equivalents for arg0,
9686 calling simplify_relational_operation and if there's a result
9687 cheaper than X, apply fold_rtx and return the result.
9689 2006-02-01 Jan Hubicka <jh@suse.cz>
9691 * opts.c (no_unit_at_a_time_default): New global variable.
9692 (decode_options): Use it.
9693 * opts.h (no_unit_at_a_time_default): Declare.
9695 2006-02-01 Paul Brook <paul@codesourcery.com>
9697 * function.c (assign_parm_setup_reg): Use function argument promotion
9699 * expr.c (expand_expr_real_1): Use function argument promotion rules
9702 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9704 * gcc.c (process_command): Change j to 'unsigned int'.
9706 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9709 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9710 Use the corrected index for the character
9711 out of the string constant.
9713 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9715 * mode-switching.c (optimize_mode_switching): Fix size
9716 allocated for bb_info[n_entities].
9718 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9720 * gcc.c (main): Correct type that is allocated for
9721 explicit_link_files.
9723 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9725 * config/s390/s390.c (init_alignment_context): Set
9726 ALIAS_SET_MEMORY_BARRIER on the MEM.
9727 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9729 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9732 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9734 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9737 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9739 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9740 * regrename.c: Ditto.
9741 * tree-ssa-loop-im.c: Ditto.
9742 * tree-dump.c: Ditto.
9743 * tree-complex.c: Ditto.
9744 * genrecog.c: Ditto.
9745 * tree-ssa-threadupdate.c: Ditto.
9747 * java/class.c: Ditto.
9748 * java/jcf-parse.c: Ditto.
9749 * java/resource.c: Ditto.
9750 * java/except.c: Ditto.
9751 * java/jvspec.c: Ditto.
9752 * java/jcf-write.c: Ditto.
9753 * java/jcf-path.c: Ditto.
9754 * java/gjavah.c: Ditto.
9755 * java/zextract.c: Ditto.
9756 * java/jcf-io.c: Ditto.
9757 * java/jcf.h: Ditto.
9758 * java/buffer.c: Ditto.
9759 * java/lang.c: Ditto.
9760 * java/parse-scan.y: Ditto.
9761 * java/lex.c: Ditto.
9762 * java/lex.h: Ditto.
9763 * cfgloopmanip.c: Ditto.
9764 * postreload-gcse.c: Ditto.
9765 * tree-ssa-loop-manip.c: Ditto.
9766 * postreload.c: Ditto.
9767 * tree-ssa-loop-ch.c: Ditto.
9771 * diagnostic.c: Ditto.
9773 * genoutput.c: Ditto.
9775 * cfghooks.c: Ditto.
9776 * cfgloopanal.c: Ditto.
9777 * objc/objc-act.c: Ditto.
9779 * genextract.c: Ditto.
9780 * genautomata.c: Ditto.
9781 * pretty-print.c: Ditto.
9783 * cgraphunit.c: Ditto.
9786 * haifa-sched.c: Ditto.
9787 * dominance.c: Ditto.
9789 * tree-ssa-loop-ivopts.c: Ditto.
9791 * mode-switching.c: Ditto.
9792 * modulo-sched.c: Ditto.
9794 * ipa-pure-const.c: Ditto.
9796 * fix-header.c: Ditto.
9798 * tree-stdarg.c: Ditto.
9799 * ipa-utils.c: Ditto.
9800 * loop-init.c: Ditto.
9801 * ipa-inline.c: Ditto.
9804 * alloc-pool.c: Ditto.
9805 * dwarf2out.c: Ditto.
9807 * genattrtab.c: Ditto.
9808 * tree-ssa-loop-ivcanon.c: Ditto.
9812 * fortran/gfortranspec.c: Ditto.
9814 * local-alloc.c: Ditto.
9815 * langhooks.c: Ditto.
9816 * function.c: Ditto.
9817 * tree-vectorizer.c: Ditto.
9819 * ipa-type-escape.c: Ditto.
9821 * tree-if-conv.c: Ditto.
9824 * tree-data-ref.c: Ditto.
9825 * loop-unroll.c: Ditto.
9826 * treelang/treetree.c: Ditto.
9829 * ggc-common.c: Ditto.
9831 * coverage.c: Ditto.
9833 * tree-cfgcleanup.c: Ditto.
9834 * tree-ssa-pre.c: Ditto.
9835 * cfgcleanup.c: Ditto.
9836 * loop-invariant.c: Ditto.
9838 * ipa-prop.c: Ditto.
9839 * print-tree.c: Ditto.
9840 * conflict.c: Ditto.
9841 * ggc-page.c: Ditto.
9842 * sched-deps.c: Ditto.
9843 * regclass.c: Ditto.
9844 * tree-object-size.c: Ditto.
9846 * bb-reorder.c: Ditto.
9847 * resource.c: Ditto.
9848 * var-tracking.c: Ditto.
9850 * df-problems.c: Ditto.
9851 * reg-stack.c: Ditto.
9854 * sched-rgn.c: Ditto.
9855 * tree-ssa-structalias.c: Ditto.
9856 * tree-ssa-reassoc.c: Ditto.
9857 * config/darwin-c.c: Ditto.
9858 * config/darwin.c: Ditto.
9859 * config/arm/arm.c: Ditto.
9861 * collect2.c: Ditto.
9864 2006-01-31 Nicolas Pitre <nico@cam.org>
9866 * arm.md (smaxsi3): Make aware of smax_m1.
9869 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9871 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9873 2006-01-31 Richard Guenther <rguenther@suse.de>
9875 * doc/invoke.texi (-msselibm): Document.
9876 * target.h (expand_library_builtin): New target hook.
9877 * builtins.c (expand_builtin): Use expand_library_builtin.
9878 (default_expand_library_builtin): New function.
9879 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9880 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9881 (link_gcc_math_spec): Declare.
9882 (static_specs): Add link_gcc_math_spec.
9883 * expr.h (default_expand_library_builtin): Declare.
9884 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9885 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9886 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9887 * config/i386/i386.opt (msselibm): New target option.
9888 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9889 (ix86_init_sse_abi_builtins): New function.
9890 (ix86_expand_library_builtin): Likewise.
9891 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9892 (override_options): Handle error conditions wrt -msselibm.
9893 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9894 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9895 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9898 2006-01-31 Richard Guenther <rguenther@suse.de>
9899 Paolo Bonzini <bonzini@gnu.org>
9901 * doc/install.texi (--disable-libgcc-math): Document.
9903 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9905 * expr.h (expand_normal): new inline function.
9906 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9908 * dwarf2out.c: use it.
9913 * config/sparc/sparc.c: use it.
9914 * config/i386/i386.c: use it.
9915 * config/rs6000/rs6000.c: use it.
9916 * config/arm/arm.c: use it.
9917 * config/mips/mips.c: use it.
9918 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9920 2006-01-30 Roger Sayle <roger@eyesopen.com>
9922 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9923 argv to the appropriate type.
9925 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9927 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9930 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9933 * config/s390/s390.c (struct machine_function): New flag
9934 decomposed_literal_pool_addresses_ok_p.
9935 (s390_reorg): Set it before final stage of literal pool transforms.
9936 (s390_decompose_address): Only accept displacements of the form
9937 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9939 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9941 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9942 the comparison routine return.
9944 2006-01-30 Michael Matz <matz@suse.de>
9946 * global.c (find_reg): Only evict for global regs.
9947 Take n_refs into account and dump more info.
9949 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9952 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9953 (pragma_trap, pragma_nosave_low_regs): Likewise.
9954 (current_function_anonymous_args): Likewise.
9955 (sh_deferred_function_attributes): New variable.
9956 (sh_deferred_function_attributes_tail): Likewise.
9957 (print_operand): For '@', look up trap_exit attribute.
9958 (calc_live_regs): Look up trapa_handler attribute. For trapa
9959 handlers, save/restore fpscr, but don't do any other
9960 interrupt-specific saves.
9961 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9962 Fix check for partially saved registers to check for SHmedia.
9963 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9964 (sh_output_function_epilogue): Don't clear any of the removed
9966 (sh_insert_attributes): Don't check pragma_interrupt.
9967 Insert deferred attributes. Check that interrupt attribute is
9968 present for other attributes that require its presence.
9969 (sh_attribute_table): Add new attributes trapa_handler and
9971 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9972 Don't check for pragma_interrupt. Don't store argument.
9973 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9974 (sh_deferred_function_attributes): Declare.
9975 (sh_deferred_function_attributes_tail): Likewise.
9976 * sh.md (sp_switch_1): Add operand. Change generator caller.
9977 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9978 (*return_i): Don't use when trap_exit attribute is in effect.
9979 (*return_trapa): New insn pattern.
9981 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9982 setting c_target_objs and cxx_target_objs.
9983 * t-sh: Add rule for sh-c.o.
9985 2006-01-30 Richard Guenther <rguenther@suse.de>
9988 * gimplify.c (gimplify_target_expr): Handle easy cases
9989 without creating a temporary.
9991 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9993 * vec.h (safe_grow): Remove duplicated line.
9995 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9998 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9999 (expand_omp): ... here.
10000 (expand_omp_parallel): Only remove barriers for combined
10001 parallel+workshare constructs.
10003 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10007 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10008 * tree.c (build_qualified_type): Chain the new type to the original
10009 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10010 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10011 (build_pointer_type_for_mode): Only return unqualified types.
10012 (build_reference_type_for_mode): Likewise.
10014 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10016 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10017 * Makefile.in (CXX_COMPAT_WARN): Define.
10018 * configure: Regenerate.
10020 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10023 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10026 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10028 * toplev.c: Fix thinko.
10030 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10031 Marcin Dalecki <martin@dalecki.de>
10033 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10034 (push_srcloc): Use XNEW.
10035 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10037 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10039 * df-core.c (df_set_blocks): Deleted all variable.
10041 2006-01-28 Ian Lance Taylor <ian@airs.com>
10043 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10044 cgraph_output_pending_asms.
10046 2006-01-28 Zack Weinberg <zackw@panix.com>
10048 * c.opt: Add -W(no-)overlength-strings.
10049 * doc/invoke.texi: Document it.
10050 * c-opts.c (c_common_handle_option): -pedantic implies
10051 -Woverlength-strings, if not explicitly disabled already.
10052 (c_common_post_options): -Woverlength-strings defaults to off, and
10053 is always off for C++.
10054 * c-common.c (fix_string_type): Issue warning about strings longer
10055 than is portable only if warn_overlength_strings. Rearrange code
10056 a little for clarity.
10057 * configure.in: Check for -Wno-overlength-strings as well before
10058 enabling -pedantic in stage 1.
10059 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10060 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10062 * genconditions.c (write_header, write_one_condition)
10063 (write_conditions, write_writer): Consolidate very long strings
10064 that were broken up to fit in C89 portable limit. Don't use
10065 printf when fputs will do.
10067 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10069 * combine.c (simplify_comparison <AND>): Check
10070 TRULY_NOOP_TRUNCATION before start using a subreg.
10072 * config/mips/mips.md (*branch_zero<mode>,
10073 *branch_zero<mode>_inverted, *branch_equality<mode>,
10074 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10075 Remove mode check from comparisons.
10077 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10079 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10081 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10083 * expmed.c (const_mult_add_overflow_p): Remove.
10084 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10086 * recog.c (validate_replace_rtx_subexp): Remove.
10087 * recog.h: Remove the prototype for
10088 validate_replace_rtx_subexp.
10090 * integrate.h: Remove the prototype for
10091 copy_decl_for_inlining.
10092 * rtl.h: Remove the prototype for mark_constant_function.
10093 * tree-vectorizer.h: Remove the prototype for
10094 vect_strip_conversion.
10096 * modulo-sched.c (create_partial_schedule,
10097 free_partial_schedule, reset_partial_schedule): Make them
10100 * hooks.c (hook_bool_rtx_int_false): Remove.
10101 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10103 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10105 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10106 and -mlong-double-128 are incompatible.
10107 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10108 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10109 (TARGET_LIBGCC2_CFLAGS): Define.
10110 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10111 (TARGET_LIBGCC2_CFLAGS): Same.
10112 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10114 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10117 * c-typeck.c (build_binary_op): Perform implicit casts of
10118 operands before shortening them.
10120 * cfgloopmanip.c (split_loop_bb): Remove.
10121 * cfgloop.h: Remove the prototype for split_loop_bb.
10123 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10124 * cfgloop.h: Remove the prototype for
10125 flow_loop_outside_edge_p.
10127 * emit-rtl.c (init_virtual_regs): Make it static.
10128 * function.h: Remove the prototype for init_virtual_regs.
10130 * recog.c (peephole2_optimize): Make it static.
10131 * recog.h: Remove the prototype for peephole2_optimize.
10133 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10135 * df-scan.c (df_record_entry_block_defs): Check if
10136 INCOMING_RETURN_ADDR_RTX is defined.
10138 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10139 Kenneth Zadeck <zadeck@naturalbridge.com>
10141 PR rtl-optimization/24762
10142 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10143 * targhooks.c (hook_void_bitmap): New hook prototype.
10144 * targhoohs.h (hook_void_bitmap): Ditto.
10145 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10146 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10147 * target.h (live_on_entry): New function pointer.
10148 * df-scan.c (df_all_hard_regs): Removed.
10149 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10150 (df_scan_free_internal): Added df->entry_block_defs.
10151 (df_scan_alloc): Ditto.
10152 (df_scan_dump): Ditto.
10153 (df_uses_record): Plumbed flag field properly thru calls.
10154 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10155 This part fixes PR24762.
10156 (df_bb_refs_record): Added code to make the frame and arg
10157 pointers live in EH blocks.
10158 (df_refs_record): Added call to df_record_entry_block_defs.
10159 (df_record_entry_block_defs): New function.
10160 * df-core.c: Added comments to describe new artifical defs.
10161 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10162 (entry_block_defs): New field in struct df.
10163 (df_all_hard_regs): Deleted.
10164 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10165 * df-problems.c (df_ru_bb_local_compute_process_def):
10166 Added code to handle artifical defs in the entry to a function.
10167 (df_ru_bb_local_compute): Ditto.
10168 (df_rd_bb_local_compute_process_def): Ditto.
10169 (df_rd_bb_local_compute): Ditto.
10170 (df_lr_bb_local_compute): Ditto.
10171 (df_ur_bb_local_compute): Ditto.
10172 (df_urec_bb_local_compute): Ditto.
10173 (df_chain_create_bb): Ditto.
10174 (df_ur_local_finalize): Removed entry.
10175 (df_urec_init): Ditto.
10176 (df_urec_local_finalize): Ditto.
10177 (df_ri_bb_compute): Added detection of last use of pseudos.
10178 * Makefile.in (df-scan.o): Updated dependencies.
10179 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10180 * config/mips/mips.c (mips_set_live_on_entry): Added.
10181 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10183 * dce.c (marked_insn_p): Added code to handle artifical defs.
10185 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10187 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10189 (_mm_cvtsi128_si64): Likewise.
10190 (_mm_cvtsd_si64): Likewise.
10191 (_mm_cvttsd_si64): Likewise.
10192 (_mm_cvtsi64_sd): Likewise.
10193 (_mm_cvtsi64_si128): Likewise.
10194 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10195 (_mm_cvtsi64_m64): Likewise.
10196 (_m_to_int64): Likewise.
10197 (_mm_cvtm64_si64): Likewise.
10198 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10199 (_mm_cvttss_si64): Likewise.
10200 (_mm_cvtsi64_ss): Likewise.
10201 (_mm_cvtss_f32): Likewise.
10203 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10205 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10206 for pragma redefine_extname.
10208 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10211 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10212 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10213 -mno-minimal-toc to previous content.
10214 (bispecs): Remove goal.
10215 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10216 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10217 compatibility aliases on powerpc-*-*gnu*.
10218 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10219 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10220 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10221 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10222 (ldblspecs): New goal.
10223 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10224 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10226 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10227 L_sf_to_tf or L_df_to_tf is defined.
10229 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10230 Alan Modra <amodra@bigpond.net.au>
10233 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10234 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10235 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10236 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10237 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10238 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10239 (rs6000_override_options): Initialize rs6000_ieeequad.
10240 Initialize TFmode format to ibm_extended_format if not
10242 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10244 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10245 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10246 (function_arg_advance): IBM long double passed in two FPRs, not
10248 (function_arg): IBM long double passed in FPRs.
10249 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10250 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10251 Only multireg GPR aligned.
10252 (rs6000_init_libfuncs): Enable IBM long double functions if not
10254 (rs6000_generate_compare): Use IBM long double compare if not
10256 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10257 (TARGET_IEEEQUAD): Define.
10258 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10259 not TARGET_IEEEQUAD.
10260 * config/rs6000/rs6000.md: Enable TFmode patterns if
10262 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10263 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10264 and -mlong-double-128 are incompatible.
10265 * doc/invoke.texi (-mabi): Collect options together. Add
10266 ibmlongdouble and ieeelongdouble.
10268 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10270 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10272 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10273 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10274 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10275 * rtl.h (rtunion_def): Remove rt_ptr.
10277 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10278 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10279 * config/i386/winnt.c (i386_pe_mark_dllexport)
10280 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10282 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10284 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10286 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10290 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10291 pthread_key_delete. From John David Anglin. gthrw-ify
10292 pthread_getunique_np only if it it's not a macro. Delete
10294 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10295 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10296 __gthread_objc_condition_signal, __gthread_key_delete): Add
10297 "__attribute__ ((__unused__))" to unused arguments.
10298 (__gthread_recursive_mutex_init_function): Add missing return.
10299 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10300 gthr-posix95.h: Use macro-based approach for name redirection
10301 on targets missing weakref.
10303 2006-01-26 Zack Weinberg <zackw@panix.com>
10305 * genconditions.c (write_header): In generated code, #ifdef out
10306 all includes and fake declarations, except includes of bconfig.h
10307 and system.h, unless GCC_VERSION >= 3001. Do not include
10308 gensupport.h in any case.
10309 (write_conditions): Generate a definition of struct c_test. Add
10310 a comment to the generated #endif.
10311 (write_one_condition): Escape backslashes in string too.
10312 (write_writer): Generated code must escape backslashes and quote
10313 marks (but not newlines) in the strings it writes.
10314 * Makefile.in (build/gencondmd.o): Update dependencies.
10316 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10319 * Makefile.in (insn-automata.o): Add header file dependencies.
10320 * genautomata.c: Add includes.
10322 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10325 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10327 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10329 * configure.ac: Expect target tools paths to be passed from the toplevel
10330 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10332 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10334 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10337 * c.opt (Wpointer-sign): Init to -1.
10338 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10339 OPT_pedantic, to 0 otherwise.
10340 * doc/invoke.texi: Update.
10342 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10344 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10345 constants provided by 80387 instructions in the destination mode.
10347 2006-01-26 Richard Guenther <rguenther@suse.de>
10348 Andrew Pinski <pinskia@physics.uc.edu>
10351 partial PR tree-opt/17064
10352 * tree-ssa-structalias.c (intra_create_variable_infos):
10353 Create heap variables for incoming parameters if
10354 flag_argument_noalias > 1.
10355 (find_what_p_points_to): Look through default defs of
10358 2006-01-26 Jeff Law <law@redhat.com>
10361 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10362 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10363 within the VR_RANGE, use the VR_RANGE as the result, not the
10365 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10366 bounds for the type.
10368 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10370 * tree-ssa-alias.c (maybe_create_global_var): Change
10371 subvar walking to an assertion that we don't have subvar'd variables.
10373 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10376 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10377 Use a new variable, inner. PARM_DECLs are always non-weak.
10379 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10381 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10382 --disable-checking.
10384 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10386 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10388 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10390 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10391 (smax_insn, smin_insn, smax_0, smin_0): New.
10393 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10396 * config/cris/cris.c (cris_order_for_addsi3): New function.
10397 * config/cris/cris-protos.h: Prototype it.
10398 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10399 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10400 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10401 (split for "op.S1 [rx=rx+i],ry (swapped)")
10402 (split for "op(s|u).S1 [rx=rx+i],ry")
10403 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10404 Apply cris_order_for_addsi3 when generating addsi3 insns.
10406 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10408 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10409 (TREE_BLOCK): Add call to EXPR_CHECK.
10411 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10414 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10415 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10416 (dump_omp_clauses): ... here.
10417 (dump_generic_node): Handle OMP_CLAUSE.
10418 * tree.c (omp_clause_num_ops): New.
10419 (omp_clause_code_name): New.
10420 (tree_code_size): Handle OMP_CLAUSE.
10421 (tree_size): Likewise.
10422 (make_node): Document handling of OMP_CLAUSE.
10423 (tree_node_structure): Handle OMP_CLAUSE.
10424 (omp_clause_check_failed): New.
10425 (omp_clause_range_check_failed): New.
10426 (omp_clause_operand_check_failed): New.
10427 (build_omp_clause): New.
10428 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10429 * tree.h (enum omp_clause_code): Declare.
10430 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10431 (OMP_CLAUSE_RANGE_CHECK): Define.
10432 (OMP_CLAUSE_ELT_CHECK): Define.
10433 (omp_clause_check_failed): Declare.
10434 (omp_clause_operand_check_failed): Declare.
10435 (omp_clause_range_check_failed): Declare.
10436 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10437 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10438 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10439 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10440 (OMP_CLAUSE_IF_EXPR): Likewise.
10441 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10442 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10443 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10444 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10445 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10446 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10447 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10448 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10449 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10450 (OMP_CLAUSE_CODE): Define.
10451 (OMP_CLAUSE_SET_CODE): Define.
10452 (OMP_CLAUSE_CODE): Define.
10453 (OMP_CLAUSE_OPERAND): Define.
10454 (struct tree_omp_clause): Declare.
10455 (union tree_node): Add field 'omp_clause'.
10456 * treestruct.def (TS_OMP_CLAUSE): Define.
10457 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10458 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10459 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10460 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10461 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10462 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10463 (OMP_CLAUSE): Define.
10464 * print-tree.c (print_node): Handle OMP_CLAUSE.
10465 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10466 * c-typeck.c: Likewise.
10467 * gimplify.c: Likewise.
10468 * c-omp.c: Likewise.
10469 * tree-nested.c: Likewise.
10470 * tree-inline.c: Likewise.
10471 * c-parser.c: Likewise.
10472 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10475 2006-01-25 Roger Sayle <roger@eyesopen.com>
10477 PR rtl-optimization/25703
10478 * combine.c (try_combine): Handle zero_extract and strict_low_part
10479 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10481 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10483 * global.c: Fix comment typos.
10485 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10488 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10489 Use output_addr_const instead of assemble_name.
10491 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10493 * Makefile.in (sched-vis.o): Update dependencies.
10494 * haifa-sched.c (sched_finish): Clear current_sched_info.
10495 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10496 (dump_flow_info): Call it.
10497 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10499 * basic-block.h (dump_bb_info): Declare.
10500 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10501 option, and apply options only for dump files whose TDF_RTL,
10502 TDF_TREE, or TDF_IPA bits match.
10503 * rtl.h: Declare new functions exported from sched-vis.c.
10504 * sched-vis.c: Enable also if scheduling is not used.
10505 (print_value): Print the mode of registers if not inside scheduling.
10506 (print_insn): Make it work outside the scheduler. Beautify the output
10508 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10510 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10512 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10513 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10514 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10515 depending on the value of CONSTANT_POOL_ADDRESS_P.
10516 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10518 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10519 rather than SYMBOL_REF_DECL.
10520 (rtx_constant_pool): Remove const_rtx_sym_htab.
10521 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10522 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10523 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10524 Remove handling of const_rtx_sym_htab.
10525 (find_pool_constant): Delete.
10526 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10527 rather than find_pool_constant.
10528 (get_pool_constant_for_function): Delete.
10529 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10530 find_pool_constant.
10531 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10532 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10533 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10534 (SYMBOL_REF_CONSTANT): New macro.
10535 (get_pool_constant_for_function): Delete.
10536 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10537 rather than SYMBOL_REF_DECL.
10538 (i386_pe_mark_dllimport): Likewise.
10539 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10540 rather than SYMBOL_REF_DECL.
10541 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10542 (machopic_indirect_call_target): Likewise.
10544 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10546 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10548 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10550 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10552 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10554 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10556 2006-01-24 David Daney <ddaney@avtrex.com>
10559 * configure.ac (enable_tls): New enable option.
10560 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10561 * configure: Regenerate.
10562 * doc/install.texi (--enable-tls): Document new option.
10563 (--disable-tls): Ditto.
10565 2006-01-24 Richard Henderson <rth@redehat.com>
10567 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10568 * alias.c (true_dependence): Respect it.
10569 (canon_true_dependence, write_dependence_p): Likewise.
10570 * builtins.c (get_builtin_sync_mem): Set it.
10572 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10574 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10577 2006-01-24 DJ Delorie <dj@redhat.com>
10579 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10580 for storing constants in single-bit bitfields.
10582 2006-01-25 Ben Elliston <bje@au.ibm.com>
10584 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10586 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10589 * tree-ssa-pre.c (phi_translate): Return NULL
10590 for AGGREGATE_TYPE's.
10592 2006-01-24 Zack Weinberg <zackw@panix.com>
10594 * genautomata.c (process_state_for_insn_equiv_partition):
10595 Use xcalloc for insn_arcs_array.
10596 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10597 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10599 2006-01-24 Richard Henderson <rth@redhat.com>
10601 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10602 update all callers.
10604 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10606 PR rtl-optimization/25890
10607 PR rtl-optimization/25905
10608 * combine.c (expand_compound_operation, expand_field_assignment):
10609 Fail if the bitfield's final position is out of bounds.
10611 2006-01-24 Ian Lance Taylor <ian@airs.com>
10613 PR middle-end/25930
10614 * cgraphunit.c (cgraph_output_in_order): Don't clear
10615 cgraph_asm_nodes until after asm strings have been output.
10617 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10619 * fix-header.c (read_scan_file): Add new parameter imultilib when
10620 calling register_include_chains.
10622 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10624 * omp-low.c: Update documentation.
10626 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10627 Daniel Berlin <dberlin@dberlin.org>
10631 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10632 return from the function.
10634 2006-01-22 Zack Weinberg <zackw@panix.com>
10636 * rtl.def (match_code): Add second argument.
10637 * genpreds.c (write_extract_subexp): New function.
10638 (write_match_code): Add path argument. Use write_extract_subexp.
10639 (write_predicate_expr): Pass path to write_match_code.
10640 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10641 not perform a mode test.
10642 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10643 a subexpression does not constrain the top-level code set.
10644 * read-rtl.c (read_rtx_variadic): New function.
10645 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10646 * doc/md.texi: Document new notation.
10647 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10648 (cmpsi_operand): ... here, using new notation.
10650 2006-01-22 Zack Weinberg <zackw@panix.com>
10652 * varray.c: Remove GENERATOR_FILE #ifdefs.
10654 2006-01-22 Zack Weinberg <zackw@panix.com>
10656 * genautomata.c (output_reserved_units_table): Emit nothing if
10657 description->query_units_num is zero. Remove extra blank line.
10658 (output_cpu_unit_reservation_p): Short circuit
10659 if description->query_units_num is zero.
10661 2006-01-22 Zack Weinberg <zackw@panix.com>
10663 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10664 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10665 nor any of the random handful of variables that used to be necessary
10666 when this program was linked with rtlanal.o. Prune set of forward
10667 function declarations.
10668 (struct attr_desc): Remove static_p field.
10669 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10670 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10671 (attr_string): Do not read the character one past the length of
10673 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10674 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10675 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10676 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10677 (make_automaton_attrs): New.
10678 (main): Do not call into genautomata. Call local gen_bypass
10679 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10680 Remove special case for insn_alts.
10681 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10682 varray.h (leftover from previous change). Prune set of forward
10683 function declarations. Remove state_alts fields from all
10684 structures. Remove state_alts_table from struct automaton.
10685 Make everything except main static. Do not maintain num_dfa_decls.
10686 Do not maintain state_alts fields of various structures.
10687 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10688 (add_arc): Remove state_alts argument. All callers updated.
10689 (output_reserved_units_table): Emit #ifdef here...
10690 (output_tables): ...not here. Don't generate state_alts tables.
10691 (expand_automata): Don't generate attributes.
10692 (write_automata): Don't generate state_alts functions.
10693 (main): New function.
10694 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10695 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10696 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10697 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10698 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10699 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10700 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10701 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10703 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10704 * genattrtab.h: Delete file.
10705 * Makefile.in (OBJS-common): Add insn-automata.o.
10706 (insn-automata.o): New rule.
10707 (simple_generated_c): Add insn-automata.c.
10708 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10709 (genprogmd): Add automata.
10710 (build/genattrtab): Needs no extra objects nor libraries.
10711 (build/genautomata): Needs build/vec.o and -lm.
10713 2006-01-22 Zack Weinberg <zackw@panix.com>
10715 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10716 (output_dfa_max_issue_rate, locked_states_num): Delete.
10717 (struct automaton): Add locked_states field.
10718 (output_dead_lock_vect): Save number of locked states in
10719 automaton->locked_states. If it is zero, don't print anything.
10720 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10721 (output_internal_dead_lock_func): Only test the dead_lock_vect
10722 for automata that have locked states.
10723 (output_statistics): Always print the number of locked states for
10724 each automaton. Calculate total number of locked states here.
10725 (write_automata): Don't call output_dfa_max_issue_rate.
10726 * genattrtab.c: Define length_unit_log as a const variable.
10727 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10728 max_insn_queue_index const.
10729 * final.c (length_unit_log): Declare const.
10730 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10732 2006-01-22 Zack Weinberg <zackw@panix.com>
10734 * genautomata.c: Include vec.h, not varray.h.
10735 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10736 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10737 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10738 VEC_* macros operating on appropriately typed vectors, or to
10739 malloced arrays when the size is known in advance. Const-ify
10740 many char* variables and function arguments. No functional changes.
10741 * Makefile.in (build/varray.o): Delete rule.
10742 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10743 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10745 2006-01-22 Zack Weinberg <zackw@panix.com>
10747 * gensupport.c: Define get_insn_name and record_insn_name here.
10748 (read_md_rtx): Call record_insn_name as appropriate.
10749 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10750 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10751 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10753 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10754 (BUILD_VARRAY): Delete.
10755 (genprognormal): Rename genprogmd. Fold in all programs from
10756 genprognoprint; also attrtab.
10757 (build/genattrtab): Just mention genautomata.o and varray.o.
10758 Reorganize a bit, add comments to make the categories clearer.
10760 2006-01-22 Zack Weinberg <zackw@panix.com>
10762 * genconditions.c (condition_table, add_condition): Delete.
10763 (write_conditions): Don't emit n_insn_conditions nor
10764 insn_elision_unavailable. Issue the gcc version #ifdef here,
10765 inside the table, with no #else clause ...
10766 (write_header): ...not here.
10767 (write_writer): New function.
10768 (main): Don't initialize condition_table. Use add_c_test.
10770 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10771 files on the command line.
10772 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10773 Return -1 if there is no entry in the table, don't abort.
10774 (add_c_test, traverse_c_tests): New functions.
10775 * gensupport.h (insn_elision_unavailable, insn_conditions)
10776 (n_insn_conditions): Delete declarations.
10777 (add_c_test, traverse_c_tests): Declare.
10778 * read-rtl.c: Include gensupport.h.
10779 (read_conditions): New function.
10780 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10781 (read_rtx_1): If we get EOF when we were looking for an initial
10782 open paren, return 0. Call read_conditions when appropriate.
10783 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10784 dummy-conditions.o. Eliminate references to insn-conditions.o,
10785 or change them to build/gencondmd.o, as appropriate. Remove
10786 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10787 from $(simple_generated_c). For all files remaining in those
10788 two lists, add insn-conditions.md to the generator command line.
10789 Give insn-constants.h/s-constants their own rules. Add rules
10790 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10791 (build/read-rtl.o): Depend on gensupport.h.
10792 (genprognormal): Include preds.
10793 (genprogearly): Rename genprognoprint; only difference is now that
10794 they don't link with $(BUILD_PRINT).
10795 * dummy-conditions.c: Delete.
10797 2006-01-22 Zack Weinberg <zackw@panix.com>
10799 * genextract.c: Don't include insn-config.h. Do include vec.h.
10800 Declare vectors of int, char, and locstr.
10801 (locstr): New typedef.
10802 (struct extraction): Make all array fields into bare pointers.
10803 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10804 (insn_code_number): Delete.
10805 (accum_extract): New struct.
10806 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10807 (gen_insn): Take insn_code_number as an argument. Use an
10808 accum_extract structure instead of loading data directly into
10809 a struct extraction, and having to know how big it might get.
10810 (walk_rtx): Operate entirely on an accum_extract structure.
10811 (print_path): Avoid unnecessary use of printf.
10812 (print_header): New function, split out of main. Distinguish
10813 more carefully between an unrecognizable insn and an insn that
10814 has the code number of a define_expand.
10815 (main): Pass insn_code_number to gen_insn. Call print_header
10816 only after parsing. Avoid unnecessary use of printf.
10817 * Makefile.in (build/vec.o): New rule.
10818 (build/genextract): Depend on build/vec.o.
10819 (build/genextract.o): Don't depend on insn-config.h.
10821 2006-01-22 Zack Weinberg <zackw@panix.com>
10823 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10824 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10825 practical. Eliminate per-generator-program link rules.
10827 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10829 PR middle-end/24437
10830 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10831 with a call expr to ...
10832 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10834 2006-01-23 Richard Guenther <rguenther@suse.de>
10836 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10837 before make_edge with conditional EDGE_TRUE_VALUE.
10839 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10840 Jan Hubicka <jh@suse.cz>
10841 Richard Guenther <rguenther@suse.de>
10843 PR rtl-optimization/25654
10844 * cfgexpand.c (aggregate_contains_union_type): New function.
10845 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10846 for structure variables that contain a union type.
10848 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10850 * gengtype.c (new_structure): Return the structure.
10851 (create_option): Add an extra "next" argument.
10852 (create_field): New function.
10853 (adjust_field_rtx_def): Use create_option and create_field.
10854 Remove a now-unnecessary call to find_structure.
10855 (adjust_field_tree_def): Likewise.
10856 (note_yacc_type): Remove an unnecessary call to find_structure.
10857 * gengtype.h (new_structure): Return the structure.
10858 (create_option): Add an extra argument.
10859 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10860 (option): Adjust calls to create_option.
10862 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10864 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10866 2006-01-22 Paul Brook <paul@codesourcery.com>
10867 Peter Barada <peter@the-baradas.com>
10869 * config/m68k/m68k.md: Add Coldfire FPU support.
10870 Define FP mode macro and associated attributes.
10871 Use it for float mode patterns.
10872 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10873 (LIBCALL_VALUE): Use m68k_libcall_value.
10874 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10875 (m68k_function_value): Ditto.
10876 (emit_move_sequence): Ditto.
10877 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10878 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10879 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10880 (MULTILIB_EXCEPTIONS): Ditto.
10881 * config/m68k/m68k.opt: Add mcfv4e.
10882 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10883 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10884 (m68k_output_function_prologue): Save ColdFire FPU registers.
10885 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10886 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10887 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10888 ColdFire FPU registers.
10889 (m68k_libcall_value, m68k_function_value): New functions.
10890 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10891 (LIBCALL_VALUE): Use m68k_libcall_value.
10892 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10893 (MASK_COLDFIRE): Add MASK_CFV4E.
10894 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10895 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10896 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10897 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10898 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10899 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10900 * doc/invoke.tex: Document -mcfv4e on m68k.
10902 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10904 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10907 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10910 * c-opts.c (c_common_handle_option): Don't include
10911 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10912 * doc/invoke.texi (C++ Dialect Options): Document that
10913 -Wnon-virtual-dtor is no longer included in -Wall.
10915 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10917 * gcov.c (print_version), gcov-dump.c (print_version),
10918 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10921 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10923 * df-scan.c (problem_SCAN): Added NULL reset function.
10924 (df_scan_reset_blocks): Added code to call reset block function
10925 (df_bb_refs_delete) Fixed comment.
10926 (df_insn_refs_delete): Made tolerant of deleting non existent info
10927 for dataflow problems that need to be reset.
10928 * df-core.c (df_set_blocks): Ditto.
10929 * df.h (struct df_problem): Added reset_fun.
10930 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10931 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10932 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10933 functions to clear out all references to def-use or use-def chains.
10935 2006-01-21 Ben Elliston <bje@au.ibm.com>
10937 * varasm.c (assemble_real): Initialise data array.
10939 2006-01-20 Paul Brook <paul@codesourcery.com>
10941 Merge from csl-arm-branch.
10942 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10943 * config/arm/arm.md (movdi): Force operands[1] to a register
10944 if we have a non-register source.
10945 (*arm_movdi, *movdf_soft_insn): Require that one of the
10946 operands be a register.
10947 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10948 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10950 2006-01-20 DJ Delorie <dj@redhat.com>
10952 * varasm.c (initializer_constant_valid_p): Allow pointers
10953 initialized from integer constants of lesser precision.
10954 (output_constant): Allow non-int-sized pointer modes to be
10955 initialized from integer constants.
10957 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10960 * cppdefault.h (struct default_include): Add multilib flag.
10961 * cppdefault.c (cpp_include_defaults): Set it.
10962 * c.opt (-imultilib): New option.
10963 * c-opts.c (imultilib): New.
10964 (c_common_handle_option): Handle -imultilib.
10965 (c_common_post_options): Likewise.
10966 * c-incpath.c (add_standard_paths, register_include_chains):
10968 * c-incpath.h (register_include_chains): Add extra parameter.
10969 * gcc.c (do_spec_1): Generate -imultilib option.
10970 (The Specs Language): Update %I description.
10971 (process_command): Update copyright notice.
10972 * doc/cppopts.texi (-imultilib): Document.
10973 * doc/invoke.texi (-imultilib): Include in option summary.
10974 (%I): Update specs documentation.
10976 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10978 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10980 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10982 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10985 2006-01-20 Richard Guenther <rguenther@suse.de>
10986 Steven Bosscher <stevenb.gcc@gmail.com>
10988 PR rtl-optimization/24626
10989 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10990 EDGE_TRUE_VALUE if in RTL mode.
10993 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10994 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10996 2006-01-20 Dirk Mueller <dmueller@suse.com>
10999 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11000 instead of a special NOP marker.
11001 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11002 NOP marker handling.
11003 * c-common.h (empty_body_warning): Add forward declaration.
11004 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11005 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11007 2006-01-20 Paul Brook <paul@codesourcery.com>
11009 * Makefile.in (lang_checks): Keep going if mkdir fails.
11011 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11013 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11014 be able to clean out basic block when not necessary.
11015 (df_scan_free): Fixed to properly delete information if df is
11016 unused before calling df_finish.
11017 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11018 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11020 (df_bb_refs_delete): New function.
11021 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11022 * df-core.c (df_set_blocks): Added code to properly clean out
11023 unused blocks if they are not part of the blocks to consider.
11024 Added additional null check.
11025 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11026 be able to clean out basic block when not necessary
11027 * df.h (df_free_bb_function): Ditto.
11028 (df_bb_refs_delete): New function.
11029 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11030 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11031 basic block parameter to be able to clean out basic block when not
11033 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11034 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11035 Fixed to properly delete information if df is unused before
11038 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11040 PR rtl-optimization/25799
11041 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11042 Corrected confluence operator to remove bits from op2 before oring
11043 with op1 rather than removing bits from op1.
11044 (df_ru_transfer_function): Corrected test on wrong bitmap which
11045 caused infinite loop. Both of these problems were introduced in
11046 the dataflow rewrite.
11048 2006-01-19 DJ Delorie <dj@redhat.com>
11050 * reload1.c (find_reload_regs): Note the details of reload
11051 failures in the dump file.
11052 (spill_failure): Likewise.
11054 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11056 * loop-iv.c: Include df.h and hashtab.h.
11057 (enum iv_grd_result): New enum.
11058 (DF_REF_IV, DF_REF_IV_SET): New macros.
11059 (struct biv_entry): New.
11060 (df, bivs): New global variables.
11061 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11062 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11064 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11065 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11066 analyzed_for_bivness_p, record_biv): New functions.
11067 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11068 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11069 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11071 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11073 (iv_number_of_iterations): Use new interface to iv analysis.
11074 * loop-unroll.c: Do not include varray.h.
11075 (analyze_iv_to_split_insn): Use new interface to iv
11077 * loop-unswitch.c (may_unswitch_on): Ditto.
11078 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11080 (df_bb_modify): Realloc tables to the new index.
11081 (df_find_use): New function.
11082 * df.h (df_find_use): Declare.
11083 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11085 * cfgloop.h (struct rtx_iv): Remove analysed field.
11086 (iv_get_reaching_def): Removed.
11087 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11088 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11089 (loop-iv.o): Add df.h and hashtab.h dependency.
11090 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11092 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11095 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11097 (__floatundisf, __floatundidf): Likewise.
11098 * libgcc2.h (IS_IBM_EXTENDED): Define.
11100 2006-01-19 DJ Delorie <dj@redhat.com>
11102 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11104 2006-01-19 Paul Brook <paul@codesourcery.com>
11106 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11107 as nothrow when unwinding tables are disabled.
11109 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11112 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11113 of bit-field" when in system header.
11115 2006-01-19 DJ Delorie <dj@redhat.com>
11117 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11118 the 16 bit shift limit of the m16c.
11120 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11123 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11124 * config/i386/i386.c (output_set_got): Output the label if we have one
11125 for the TARGET_DEEP_BRANCH_PREDICTION case.
11127 2006-01-19 Jan Hubicka <jh@suse.cz>
11128 H.J. Lu <hongjiu.lu@intel.com>
11129 Evandro Menezes <evandro.menezes@amd.com>
11131 * invoke.texi (generic): Document
11133 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11134 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11135 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11136 (x86_use_incdec, x86_pad_returns): New variables
11137 (TARGET_CPU_DEFAULT_generic): New constant
11138 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11139 (enum processor_type): Add generic32 and generic64.
11140 * i386.md (cpu attribute): Add generic32/generic64
11141 (movhi splitter): Behave sanely when both partial_reg_dependency and
11142 partial_reg_stall are set.
11143 (K8 splitters): Enable for generic as well.
11144 * predicates.md (incdec_operand): Use TARGET_INCDEC
11145 (aligned_operand): Avoid memory mismatch stalls.
11146 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11147 * ppro.md: Enable for generic32
11148 * i386.c (generic64_cost, generic32_cost): New.
11149 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11150 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11151 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11152 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11153 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11154 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11155 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11156 x86_accumulate_outgoing_args, x86_prologue_using_move,
11157 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11158 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11159 Enable for generic.
11160 (x86_use_incdec, x86_pad_returns): New.
11161 (override_options): Add generic32 and generic64, translate "generic"
11162 to generic32/generic64 and "i686" to "generic32", refuse
11163 "generic32"/"generic64" as arch target.
11164 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11165 (ix86_reorg): Honor PAD_RETURNS.
11167 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11169 * tree-pretty-print.c (dump_generic_node): Handle
11170 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11171 * cgraph.c (cgraph_expand_queue): Rename from
11172 cgraph_analyze_queue. Update all users.
11173 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11174 cgraph_expand_queue.
11175 (cgraph_expand_all_functions): Likewise.
11176 (cgraph_finalize_pending_functions): Remove. Update callers.
11178 * tree.h (OMP_DIRECTIVE_P): Define.
11179 (OMP_PARALLEL_FN): Define.
11180 (OMP_PARALLEL_DATA_ARG): Define.
11181 (OMP_SECTIONS_SECTIONS): Define.
11182 * tree-pass.h (pass_expand_omp): Declare.
11183 * omp-low.c (struct omp_region): Declare.
11184 (struct omp_context): Remove fields 'parallel_type',
11185 'parallel_start_ix' and 'parallel_start_additional_args'.
11187 (struct omp_for_data): Rename from struct expand_omp_for_data.
11188 (omp_regions): New static variable.
11189 (root_omp_region): New static variable.
11190 (find_omp_clause): Make static.
11191 (is_in_combined_parallel_ctx): Remove.
11192 (is_combined_parallel): New.
11193 (extract_omp_for_data): Move earlier in the file.
11194 (workshare_safe_to_combine_p): New.
11195 (get_ws_args_for): New.
11196 (determine_parallel_type): Move earlier in the file.
11197 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11199 (omp_copy_decl): Likewise.
11200 (create_omp_child_function): Likewise.
11201 (lookup_omp_region): New.
11202 (dump_omp_region): New.
11203 (debug_omp_region): New.
11204 (debug_all_omp_regions): New.
11205 (new_omp_region): New.
11206 (scan_omp_parallel): If parallel_nesting_level > 1, the
11207 directive is nested within another parallel directive.
11208 Set OMP_PARALLEL_FN.
11209 (scan_omp_for): Do not try to handle combined parallel+for
11211 Remove FIXME comment.
11212 (scan_omp_nested): Remove.
11213 (scan_omp_1): Do not call scan_omp_nested when
11214 parallel_nesting_level is > 1.
11215 Do not change the DECL_CONTEXT of local variables found.
11216 (lookup_decl_in_outer_ctx): New.
11217 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11218 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11219 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11220 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11221 If CTX is nested, lookup VAR in the outer context when
11222 building copy assignment.
11223 (lower_send_clauses): Rename from expand_send_clauses.
11224 If CTX is nested, lookup VAR in the outer context when
11225 building copy assignments.
11226 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11227 If CTX is nested, lookup VAR in the outer context when
11228 building copy assignments.
11229 (expand_parallel_call): Rename from build_parallel_call.
11230 Handle combined parallel+workshare cases.
11231 Re-implement to emit code into the CFG.
11233 (expand_omp_parallel): Re-implement to emit code into the CFG.
11234 Call move_sese_region_to_fn to outline the sub-graph
11235 containing the parallel region.
11236 (expand_omp_for_1): Remove.
11237 (expand_omp_for_generic): Re-implement to emit code into the
11239 (expand_omp_for_static_nochunk): Likewise.
11240 (expand_omp_for_static_chunk): Likewise.
11241 (expand_omp_for): Likewise.
11242 (expand_omp_sections): Likewise.
11243 (remove_exit_barriers): New.
11244 (expand_omp_synch): New.
11246 (build_omp_regions_1): New.
11247 (build_omp_regions): New.
11248 (execute_expand_omp): New.
11249 (gate_expand_omp): New.
11250 (pass_expand_omp): Define.
11251 (lower_omp_sections): Rename from expand_omp_sections.
11252 Set OMP_SECTIONS_SECTIONS.
11253 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11254 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11255 (lower_omp_single): Rename from expand_omp_simple.
11256 (lower_omp_master): Rename from expand_omp_master.
11257 (lower_omp_ordered): Rename from expand_omp_ordered.
11258 (lower_omp_critical): Rename from expand_omp_critical.
11259 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11260 (lower_omp_for): Re-implement.
11261 (lower_omp_parallel): Re-implement.
11262 (lower_regimplify): Rename from expand_regimplify.
11263 (lower_omp_1): Rename from expand_omp_1.
11264 If there are syntax errors in the program, replace every
11265 OpenMP directive with NOP.
11266 Call lower_omp_* instead of expand_omp_*.
11267 (lower_omp): Rename from expand_omp.
11269 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11270 * tree-gimple.h (enum omp_parallel_type): Remove.
11271 (gimple_boolify): Declare extern.
11272 (find_omp_clause, determine_parallel_type): Remove.
11274 * gimple-low.c (lower_omp_directive): New.
11275 (lower_stmt): Call it.
11276 (record_vars_into): Move from ...
11277 (record_vars): ... here.
11278 Call record_vars_into with current_function_decl.
11280 * gimplify.c (struct gimplify_ctx): Remove fields
11281 combined_pre_p and combined_ctxp. Update users.
11282 (get_formal_tmp_var): Add documentation.
11283 (gimple_boolify): Make extern.
11284 (gimplify_expr_in_ctx): Remove. Update callers.
11285 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11286 will always be a BIND_EXPR.
11287 (gimplify_expr): Handle OMP_RETURN_EXPR.
11288 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11289 (OMP_PARALLEL): Add 3 operands.
11290 (OMP_SECTIONS): Add 1 operand.
11291 (OMP_RETURN_EXPR): Define.
11293 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11294 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11295 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11296 creating a circular free list.
11297 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11299 * tree-flow.h (move_sese_region_to_fn): Declare.
11300 (record_vars_into): Declare.
11301 * tree-cfg.c (make_omp_sections_edges): New.
11302 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11303 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11304 OMP_SECTIONS and OMP_SECTION.
11305 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11306 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11307 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11308 (gather_blocks_in_sese_region): New.
11309 (struct move_stmt_d): Declare.
11310 (move_stmt_r): New.
11311 (move_block_to_fn): New.
11312 (move_sese_region_to_fn): New.
11314 * passes.c (init_optimization_passes): Schedule
11315 pass_expand_omp after pass_init_datastructures.
11317 * tree-ssa-operands.c (get_expr_operands): Handle
11318 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11319 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11321 2006-01-19 Jeff Law <law@redhat.com>
11323 * tree-vrp.c (extract_range_from_assert): Refine the result range
11324 if the variable referenced by the ASSERT_EXPR has a range and
11325 either the tentative result range or the previous range is a
11328 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11330 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11332 2006-01-19 Jan Hubicka <jh@suse.cz>
11334 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11336 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11338 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11339 (expand_compound_operation, expand_field_assignment): Fail if the
11340 bit lengths of an extract operation are out of range.
11341 (make_extraction): Compute wanted_inner_mode based on the position
11342 and length of the extraction. Make it extraction_mode for non-constant
11343 positions, and do not modify offset in that case. When generating a
11344 new MEM, use a mode that can hold the extraction while keeping correct
11345 alignment. Remove code that supported MEMs wrapped by USEs.
11346 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11348 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11350 * config/s390/s390.md ("Y", "y"): New mode attribute.
11351 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11352 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11353 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11354 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11355 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11356 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11357 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11358 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11359 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11360 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11361 "addsi3", "subsi3"): Insn patterns removed.
11362 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11363 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11364 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11365 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11366 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11367 "*sub<mode>3_cconly2"): New insn patterns.
11368 ("addsi3", "subsi3"): New expanders.
11370 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11372 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11373 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11374 existing STMT_VINFO_VECTYPE if available.
11375 (vect_mark_relevant): Add special handling for stmts that are
11376 marked as STMT_VINFO_IN_PATTERN_P.
11377 (vect_analyze_loop): Call vect_pattern_recog.
11378 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11379 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11381 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11382 (vect_recog_func_ptr): New function-pointer type.
11383 * tree-vect-patterns.c: New file.
11384 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11385 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11386 (vect_pattern_recog_1): New functions.
11387 (vect_pattern_recog_funcs): New array of function pointers.
11389 * tree-vectorizer.h (ternary_op): New enum value.
11390 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11391 declaration. Revised documentation. Removed redundant dump prints.
11392 Removed redundant argument. Added support for reduction patterns.
11393 (vectorizable_reduction): Added support for reduction patterns.
11394 (vect_transform_stmt): Added support for patterns.
11396 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11397 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11398 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11399 (expand_widen_pattern_expr): New function.
11400 (init_optabs): Initialize new optabs udot_prod_optab,
11402 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11403 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11404 (expand_widen_pattern_expr): New function declaration.
11405 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11407 * tree-inline.c (estimate_num_insns_1): Added cases for new
11408 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11409 * tree-pretty-print.c (dump_generic_node): Likewise.
11410 (op_prio): Likewise.
11411 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11412 * tree-ssa-operands.c (get_expr_operands): Added case for
11414 * tree-vect-patterns.c (widened_name_p): New function.
11415 (vect_recog_dot_prod_pattern): Added function implementation.
11416 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11417 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11418 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11419 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11421 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11422 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11423 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11424 (init_optabs): Initialize new optabs widen_ssum_optab,
11426 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11427 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11428 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11429 use instead of type of def.
11430 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11431 function implementation.
11432 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11433 widen_ssumv8hi): New.
11435 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11438 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11441 * c-decl.c (add_flexible_array_elts_to_size): New function.
11442 (finish_decl): Use it.
11444 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11446 * diagnostic.h: Include options.h.
11447 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11448 dependancies for diagnostic.h.
11449 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11451 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11453 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11454 (ssa_ro_call_cache_valid): Ditto.
11455 * tree-ssa-alias.c (sort_tags_by_id): New function.
11456 (init_transitive_clobber_worklist): Ditto.
11457 (add_to_worklist): Ditto.
11458 (mark_aliases_call_clobbered): Ditto.
11459 (compute_tag_properties): Ditto.
11460 (set_initial_properties): Ditto.
11461 (compute_call_clobbered): Ditto.
11462 (compute_may_aliases): Call compute_call_clobbered and grouping.
11463 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11464 (compute_flow_insensitive_aliasing): Grouping now happens in our
11466 (setup_pointers_and_addressables): Remove clobbering related code.
11467 (add_may_alias): Ditto.
11468 (replace_may_alias): Ditto.
11469 (get_nmt_for): Ditto.
11470 (create_global_var):
11471 (is_escape_site): Return an escape_type enumeration.
11472 * tree-flow-inline.h (is_call_clobbered): Global var does not
11473 imply call clobbered.
11474 (mark_call_clobbered): Take a reason for marking this. Remove
11475 marking of globalness, and cache invalidation.
11476 (clear_call_clobbered): Remove cache invalidation code.
11477 * tree-dfa.c (dump_variable): If details is on, dump the reason
11479 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11481 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11482 (struct var_ann_d): Ditto.
11483 (enum escape_type): New.
11484 (mark_call_clobbered): Adjust prototype.
11485 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11486 are never call clobbered.
11487 Record reasons for escaping.
11488 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11489 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11490 (ssa_ro_call_cache_valid): Ditto.
11491 (clobbered_v_may_defs): Ditto.
11492 (clobbered_vuses): Ditto.
11493 (ro_call_vuses): Ditto.
11494 (clobber_stats): New.
11495 (init_ssa_operands): Zero out clobber stats.
11496 (fini_ssa_operands): Print out clobber stats.
11497 (get_call_expr_operands): Pass callee fndecl to
11498 add_call_read_ops).
11499 (add_call_clobber_ops): Remove use of cache.
11500 Add use of PURE_CONST information.
11501 (add_call_read_ops): Remove use of cache.
11502 Add use of static not_read information.
11504 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11506 Introduce TLS descriptors for i386 and x86_64.
11507 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11508 (TARGET_ANY_GNU_TLS): New macro.
11509 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11510 (struct machine_function): Add tls_descriptor_call_expanded_p.
11511 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11512 (ix86_current_function_calls_tls_descriptor): Likewise.
11513 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11514 (override_options): Introduce gnu2 tls dialect.
11515 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11517 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11519 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11520 (ix86_init_machine_status): Initialize new field.
11521 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11522 (ix86_tls_module_base): New.
11523 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11524 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11525 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11526 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11527 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11528 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11529 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11530 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11531 * config/i386/predicates.md (tls_modbase_operand): New.
11532 (tp_or_register_operand): New.
11534 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11536 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11537 (look_for_address_of): Ditto.
11538 (ipa_init): Walk the function decls.
11539 (static_execute): Don't set readonly on FUNCTION_DECL's.
11541 2006-01-18 Roger Sayle <roger@eyesopen.com>
11543 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11544 for shifts where the source and destination registers are different.
11546 2006-01-18 Paul Brook <paul@codesourcery.com>
11548 Merge from csl-arm-branch.
11549 2005-03-14 Julian Brown <julian@codesourcery.com>
11550 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11551 (aeabi_llsl): Likewise.
11552 (ashrdi3): Likewise.
11553 (aeabi_lasr): Likewise.
11554 (lshrdi3): Likewise.
11555 (aeabi_llsr): Likewise.
11556 2005-03-10 Julian Brown <julian@codesourcery.com>
11557 * config.gcc: Disable shared libgcc for SymbianOS.
11558 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11560 2006-01-18 DJ Delorie <dj@redhat.com>
11562 * c-pragma.c (handle_pragma_diagnostic): New.
11563 (init_pragma): Register it.
11564 * doc/extend.texi: Document it.
11566 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11567 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11568 (diagnostic_context): Add classify_diagnostic[].
11569 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11570 as errors if they're overridden to DK_WARNING.
11571 (diagnostic_initialize): Initialize classify_diagnostic[].
11572 (diagnostic_set_kind_override): New.
11573 (diagnostic_report_diagnostic): Check for kind changes.
11574 * opts.c (common_handle_option): Take lang_mask. Update callers.
11575 Handle OPT_Werror_.
11576 * common.opt (Werror=): New.
11577 * doc/invoke.texi: Document -Werror=*
11579 2006-01-18 Jeff Law <law@redhat.com>
11581 * tree-vrp.c (test_for_singularity): Correct test for new
11582 min limit. Use operand_equal_p rather than pointer equality
11583 for testing if new min/max values are equal.
11585 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11586 using range information until after propagation and folding.
11588 2006-01-18 Richard Henderson <rth@redhat.com>
11589 Aldy Hernandez <aldyh@redhat.com>
11590 Jakub Jelinek <jakub@redhat.com>
11591 Diego Novillo <dnovillo@redhat.com>
11593 * omp-low.c: New file.
11594 * c-omp.c: New file.
11596 2006-01-18 Richard Henderson <rth@redhat.com>
11597 Jakub Jelinek <jakub@redhat.com>
11598 Diego Novillo <dnovillo@redhat.com>
11600 * doc/invoke.texi: Document -fopenmp.
11601 * tree-dump.h (debug_function): Declare.
11602 * hooks.c (hook_bool_tree_bool_false): New function.
11603 (hook_tree_tree_null): Remove.
11604 (hook_tree_tree_tree_null): New.
11605 * hooks.h: Update to match.
11606 * tree-pretty-print.c (debug_tree_chain): New.
11607 (print_generic_expr): Handle TDF_CHAIN.
11608 (dump_generic_node): Handle BLOCK.
11609 Do not abort with incomplete SWITCH_EXPRs.
11610 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11611 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11612 print space after directive name.
11613 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11614 Handle OMP_MASTER and OMP_ORDERED.
11615 Handle printing of OMP_BODY just in one place, goto
11616 dump_omp_body in the rest of OMP_* nodes that have
11618 Don't handle clause nodes here. Update omp statements to
11619 use dump_omp_clauses.
11620 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11621 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11622 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11623 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11624 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11625 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11626 Adjust output for GOMP_PARALLEL.
11627 (dump_omp_clauses): New.
11628 (print_declaration): Dump DECL_VALUE_EXPR.
11629 (op_symbol_1): Split out of op_symbol.
11630 (dumping_stmts): Remove. Update all users.
11631 * cgraph.c (cgraph_analyze_queue): New.
11632 (cgraph_add_new_function): New.
11633 * cgraph.h (cgraph_analyze_queue): Declare.
11634 (cgraph_add_new_function): Declare.
11635 (cgraph_lower_function): Remove.
11636 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11637 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11638 and TYPE_P nodes in its default clause.
11639 (empty_body_p): New.
11640 (tree_range_check_failed): New.
11641 (build5_stat): New.
11642 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11643 OMP_CLAUSE_REDUCTION_MERGE,
11644 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11645 OMP_CLAUSE_PRIVATE_DEBUG,
11646 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11647 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11648 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11649 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11650 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11651 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11652 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11653 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11654 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11655 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11656 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11657 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11658 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11659 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11660 (TREE_RANGE_CHECK): New.
11661 (empty_body_p): Declare.
11662 (enum omp_clause_default_kind): New.
11663 (build_string_literal): Declare.
11664 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11665 (build5_stat, build5): Declare.
11666 * tree-pass.h (TDF_CHAIN): Define.
11667 * tree-pass.h (PROP_gimple_lomp): Define.
11668 (pass_lower_omp): Declare.
11669 * diagnostic.h (debug_tree_chain): Declare.
11670 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11672 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11673 * builtins.c (build_string_literal): Make extern.
11674 * gcc.c (include_spec_function): New.
11675 (static_spec_functions): Add it.
11676 (main): Move load of libgomp.spec ...
11677 (LINK_COMMAND_SPEC): ... here.
11678 (link_gomp_spec): New.
11679 (static_specs): Include it.
11680 (LINK_COMMAND_SPEC): Add link_gomp.
11681 (GOMP_SELF_SPECS): New.
11682 (driver_self_specs): Include it.
11683 (switch_matches): Don't mark inline.
11684 (main): Load libgomp.spec.
11685 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11686 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11687 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11688 * tree-gimple.h (enum omp_parallel): Declare.
11689 (determine_parallel_type): Declare.
11690 (omp_firstprivatize_variable): Declare.
11691 (omp_reduction_init): Declare.
11692 (diagnose_omp_structured_block_errors): Declare.
11693 (struct walk_stmt_info): Add want_return_expr.
11694 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11695 (find_omp_clause): Declare.
11696 (insert_field_into_struct): Declare.
11697 (struct walk_stmt_info): Move from tree-nested.c
11698 (walk_stmts): Declare.
11699 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11701 * cgraphunit.c (cgraph_lower_function): Make static.
11702 (cgraph_finalize_pending_functions): New.
11703 (cgraph_finalize_function): Call it.
11704 (cgraph_finalize_compilation_unit): Likewise.
11705 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11706 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11707 (BT_FN_UINT_UINT): New.
11708 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11709 DEF_FUNCTION_TYPE_VAR_4): Document.
11710 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11711 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11712 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11713 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11714 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11715 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11716 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11717 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11718 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11719 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11720 into separate files.
11721 (DEF_GOMP_BUILTIN): New.
11722 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11723 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11724 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11725 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11726 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11727 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11728 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11729 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11730 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11731 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11732 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11733 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11734 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11735 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11736 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11737 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11738 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11739 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11740 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11741 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11742 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11743 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11744 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11745 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11746 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11747 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11748 * sync-builtins.def: New file, moved from builtins.def.
11749 * omp-builtins.def: New file, moved from builtins.def.
11750 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11751 * gimple-low.c (lower_function_body): Clear data.
11752 (lower_stmt): Do not handle COMPOUND_EXPR.
11753 Remove call to print_node_brief.
11754 * c-tree.h (c_finish_omp_clauses): New prototype.
11755 (C_DECL_THREADPRIVATE_P): Define.
11756 (lookup_name_no_remap, c_omp_remap_private): Remove
11757 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11758 (check_for_loop_decls): Update decl.
11759 (lookup_name_no_remap, c_omp_remap_private): Declare.
11760 (build_indirect_ref, build_modify_expr, pushdecl,
11761 pushdecl_top_level): Move to c-common.h.
11762 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11763 before the switch, but just in the 2 places that need it.
11764 * c-decl.c (diagnose_mismatched_decls): Do not check for
11765 mismatched thread-local attributes when OLDDECL is marked
11766 threadprivate and NEWDECL has no thread-local attributes.
11767 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11768 (c_gimple_diagnostics_recursively): Rename from
11769 c_warn_unused_result_recursively. Invoke
11770 diagnose_omp_structured_block_errors.
11771 (check_for_loop_decls): Return a singular decl found.
11772 * langhooks.c (lhd_omp_predetermined_sharing): Return
11773 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11774 (lhd_omp_firstprivatize_type_sizes): New.
11775 (lhd_omp_assignment): New.
11776 (lhd_omp_predetermined_sharing): New.
11777 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11778 (struct lang_hooks_for_types): Add
11779 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11780 omp_predetermined_sharing, omp_disregard_value_expr,
11781 omp_private_debug_clause, omp_clause_default_ctor,
11782 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11783 (c_finish_omp_clauses): New.
11784 (c_finish_bc_stmt): Diagnose break within omp for.
11785 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11786 (build_unary_op): Return error_mark after reporting
11788 (build_modify_expr): Likewise.
11789 * gimplify.c: Include optabs.h and pointer-set.h.
11790 (enum gimplify_omp_var_data): Declare.
11791 (struct gimplify_omp_ctx): Declare.
11792 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11794 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11795 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11796 (splay_tree_compare_decl_uid): New.
11797 (new_omp_context): New.
11798 (delete_omp_context): New.
11799 (gimple_add_tmp_var): Call omp_add_variable.
11800 (gimplify_bind_expr): Likewise.
11801 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11802 true, disregard DECL_VALUE_EXPR on the decl if any.
11803 (gimplify_expr_in_ctx): New.
11804 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11805 omp_add_variable, omp_notice_variable, omp_is_private
11806 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11807 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11808 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11809 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11810 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11811 gimplify_omp_atomic): New.
11812 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11813 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11814 OMP_CRITICAL and OMP_ATOMIC.
11815 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11816 * c-pragma.h (enum pragma_kind): Add
11817 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11818 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11819 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11820 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11821 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11822 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11823 PRAGMA_OMP_THREADPRIVATE.
11824 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11825 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11826 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11827 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11828 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11829 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11830 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11831 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11832 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11833 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11834 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11835 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11836 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11838 (struct nesting_info): Add field_map,
11839 suppress_expansion, debug_var_chain.
11840 (create_nesting_tree): Initialize them.
11841 (lookup_field_for_decl): Use field_map.
11842 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11843 (convert_local_omp_clauses): New.
11844 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11845 (walk_body): Split out of walk_function.
11846 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11847 (convert_nonlocal_reference): Handle omp statements.
11848 (convert_local_reference): Likewise.
11849 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11850 (unnest_nesting_tree): New.
11851 (lower_nested_functions): Call it.
11852 (insert_field_into_struct): Make extern.
11853 (struct walk_stmt_info): Move to tree-gimple.h.
11854 (walk_stmts): Make extern.
11855 * omp-builtins.def: New file.
11856 * tree-iterator.c (expr_only): Clarify comment.
11857 * c-common.h (pushdecl_top_level, pushdecl,
11858 build_modify_expr, build_indirect_ref,
11859 c_finish_omp_master, c_finish_omp_critical,
11860 c_finish_omp_ordered, c_finish_omp_barrier,
11861 c_finish_omp_atomic, c_finish_omp_flush,
11862 c_finish_omp_for, c_split_parallel_clauses,
11863 omp_clause_default_kind, c_omp_sharing_predetermined,
11864 c_omp_remap_decl): Declare.
11865 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11866 (OBJS-common): Add omp-low.o.
11867 (c-omp.o, omp-low.o): Add.
11868 (gimplify.o): Add dependency on $(OPTABS_H).
11869 (GTFILES): Add omp-low.c.
11870 (gt-stringpool.h): Add.
11871 * tree-cfg.c (set_bb_for_stmt): Do not update the
11872 block-to-labels map if we are currently expanding to RTL.
11873 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11875 Handle IDENTIFIER_NODE.
11876 (tree_verify_flow_info): Do not ICE when emitting error
11877 messages about invalid labels.
11878 (dump_function_to_file): Reset CFUN before emitting the body
11880 (debug_function): New.
11881 * passes.c (init_optimization_passes): Schedule
11883 * langhooks-def.h (lhd_omp_predetermined_sharing,
11884 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11886 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11887 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11888 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11889 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11890 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11891 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11892 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11893 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11894 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11895 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11896 (LANG_HOOK_DECLS): Use them.
11898 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11899 Richard Henderson <rth@redhat.com>
11900 Jakub Jelinek <jakub@redhat.com>
11901 Diego Novillo <dnovillo@redhat.com>
11903 * c-parser.c (pragma_omp_clause): Define.
11904 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11905 (c_parser_compound_statement): Likewise.
11906 (c_parser_statement): Likewise.
11907 (c_parser_pragma): Handle omp pragmas.
11908 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11909 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11910 (c_parser_omp_clause_name, check_no_duplicate_clause,
11911 c_parser_omp_variable_list,
11912 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11913 c_parser_omp_clause_copyprivate,
11914 c_parser_omp_clause_default,
11915 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11916 c_parser_omp_clause_lastprivate,
11917 c_parser_omp_clause_nowait,
11918 c_parser_omp_clause_num_threads,
11919 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11920 c_parser_omp_clause_reduction,
11921 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11922 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11923 c_parser_omp_atomic, c_parser_omp_barrier,
11924 c_parser_omp_critical, c_parser_omp_flush,
11925 c_parser_omp_for_loop, c_parser_omp_for,
11926 c_parser_omp_master, c_parser_omp_ordered,
11927 c_parser_omp_sections_scope, c_parser_omp_sections,
11928 c_parser_omp_parallel, c_parser_omp_single,
11929 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11930 * c-pragma.c (init_pragma): Do omp pragma registration here.
11931 * c.opt (fopenmp): New flag.
11933 2006-01-18 Eric Christopher <echristo@apple.com>
11935 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11936 * config/darwin.h (GOMP_SELF_SPECS): Define.
11938 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11940 * rtl.h: Remove the prototype for reg_alloc.
11942 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11945 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11946 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11947 sjlj and dwarf2 exception handling.
11948 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11949 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11950 * pa/pa.c (function_value): Treat complex and vector types as
11952 (function_arg): Likewise. Only pass scalar floats in the floating
11953 point argument registers.
11954 * pa/t-slibgcc-dwarf-ver: New file.
11955 * pa/t-slibgcc-sjlj-ver: New file.
11956 * pa/t-slibgcc-elf-ver: Delete file.
11958 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11960 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11961 unlikely_test_section_p test.
11963 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11965 * mode-switching.c (optimize_mode_switching): Make it static.
11966 * basic-block.h: Remove the prototype for
11967 optimize_mode_switching.
11969 * modulo-sched.c (sms_schedule): Make it static.
11970 * rtl.h: Remove the prototype for sms_schedule.
11972 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11973 * rtl.h: Remove the prototype for gcse_after_reload_main.
11975 * reg-stack.c (reg_to_stack): Make it static.
11976 * rtl.h: Remove the prototype for reg_to_stack.
11978 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11980 * rtl.h: Remove the prototypes for regrename_optimize and
11981 copyprop_hardreg_forward.
11983 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11985 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11986 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11987 Test against the appropriate null constant for the mode.
11988 If 'fixup_overlap' is true, swap the operands if they overlap.
11989 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11990 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11991 alpha_split_tmode_pair and adjust for above change.
11992 * config/alpha/alpha.md (movtf_internal): Adjust call to
11993 alpha_split_tfmode_pair and rely on it to swap the operands.
11994 (movti_internal): New insn and post-reload splitter.
11995 (movti): New expander.
11997 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11999 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12002 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12004 * rtlanal.c (global_reg_mentioned_p_1,
12005 global_reg_mentioned_p): Remove.
12006 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12008 * flow.c (initialize_uninitialized_subregs): Make it static.
12009 * rtl.h: Remove the prototype for
12010 initialize_uninitialized_subregs.
12012 * function.c (instantiate_virtual_regs): Make it static.
12013 * function.h: Remove the prototype for
12014 instantiate_virtual_regs.
12016 * regmove.c (regmove_optimize, combine_stack_adjustments):
12018 * rtl.h: Remove the prototypes for regmove_optimize and
12019 combine_stack_adjustments.
12021 2006-01-17 Roger Sayle <roger@eyesopen.com>
12023 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12024 (size_cost): Encode costs in bytes so that a reg-reg addition is
12025 equivalent to COSTS_N_INSNS(1).
12026 (override_options): Use the size_cost.branch_cost as the default
12027 ix86_branch_cost when optimizing for size.
12029 2006-01-18 Ben Elliston <bje@au.ibm.com>
12031 * Makefile.in (D32PBIT_FUNCS): New.
12032 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12033 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12034 D64PBIT_FUNCS and D128PBIT_FUNCS.
12035 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12036 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12038 (decnumber_dep): Define.
12039 * doc/libgcc.texi (Decimal float library routines): New node.
12040 * config/dfp-bit.h, config/dfp-bit.c: New files.
12042 2006-01-18 Ben Elliston <bje@au.ibm.com>
12044 * expr.c (emit_move_change_mode): Always adjust addresses, not
12045 just during reload. Copy replacements only during reload.
12046 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12047 emit_move_via_integer.
12049 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12051 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12052 instead of $(srcdir) and ${srcdir}.
12054 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12057 PR middle-end/11135
12058 * arm.h (struct machine_function): Add pic_reg.
12059 * arm.c (arm_pic_register): Make unsigned.
12060 (arm_override_options): Only set arm_pic_register if
12061 TARGET_SINGLE_PIC_BASE.
12062 (use_return_insn): Only test for a pic register if it is fixed.
12063 (arm_compute_save_reg0_reg12_mask): Likewise.
12064 (thumb_compute_save_reg_mask): Likewise.
12065 (legitimate_pic_operand): Factor out some known invariants.
12066 (legitimize_pic_address): If we don't have a fixed pic register,
12067 then set up a pseudo in the function entry sequence. Handle the
12068 pic base being in a pseudo.
12069 (arm_load_pic_register): Handle the pic register being in a pseudo.
12070 (arm_expand_prologue): Only set up the pic register if it is fixed.
12071 (thumb_expand_prologue): Likewise.
12072 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12073 (pic_load_addr_based_insn): Likewise.
12074 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12077 2006-01-18 Ben Elliston <bje@au.ibm.com>
12079 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12080 decimal float modes for all floating point registers.
12082 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12083 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12085 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12088 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12089 even when the pointer is not NULL.
12091 2006-01-16 Ian Lance Taylor <ian@airs.com>
12093 * common.opt (ftoplevel-reorder): New option.
12094 * cgraph.c (cgraph_asm_nodes): New global variable.
12095 (cgraph_asm_last_node): New static variable.
12096 (cgraph_order): New global variable.
12097 (cgraph_create_node): Set new order field.
12098 (cgraph_varpool_node): Likewise.
12099 (decide_is_variable_needed): Return true if not
12100 flag_toplevel_reorder.
12101 (cgraph_add_asm_node): New function.
12102 * cgraph.h (struct cgraph_node): Add order field.
12103 (struct cgraph_varpool_node): Add order field.
12104 (struct cgraph_asm_node): Define.
12105 (cgraph_asm_nodes, cgraph_order): Declare.
12106 (cgraph_add_asm_node): Declare.
12107 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12109 (cgraph_varpool_assemble_pending_decls): Call it.
12110 (cgraph_output_pending_asms): New static function.
12111 (cgraph_finalize_compilation_unit): Call it.
12112 (struct cgraph_order_sort): Define.
12113 (cgraph_output_in_order): New static function.
12114 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12115 !flag_toplevel_reorder case.
12116 * c-parser.c: Include "cgraph.h".
12117 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12119 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12120 than -fno-unit-at-a-time.
12121 * doc/invoke.texi (Option Summary): Mention
12122 -fno-toplevel-reorder.
12123 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12124 -funit-at-a-time documentation.
12126 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12127 Kazu Hirata <kazu@codesourcery.com>
12129 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12131 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12133 * Makefile.in (FUNCTION_H): New. Use it instead of
12134 function.h throughout the file.
12135 * function.h: Include tree.h.
12137 2006-01-17 Ben Elliston <bje@au.ibm.com>
12139 * recog.c: Separate some functions with whitespace.
12141 2006-01-16 Richard Henderson <rth@redhat.com>
12143 Merge from gomp branch:
12144 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12145 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12146 and rename from struct inline_data. Rename callee* to dst*;
12147 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12148 transform_new_cfg, transform_return_to_modify, and
12149 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12151 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12152 (copy_decl_for_dup): Remove.
12153 * tree-inline.c (struct inline_data): Move to header.
12154 (insert_decl_map): Export.
12155 (remap_decl): Update for member name changes. Use copy_decl hook.
12156 Allow for replacement to be a non-decl. Remove dead code.
12157 (remap_type_1): Check for existing mapping.
12158 (remap_type): Export.
12159 (remap_decls): Update for member name changes.
12160 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12161 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12162 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12163 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12164 (tree_function_versioning, build_duplicate_type): Likewise.
12165 (copy_body_r): Likewise. Export.
12166 (copy_decl_for_dup): Split into ...
12167 (copy_decl_for_dup_finish, copy_decl_to_var,
12168 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12169 (replace_ref_tree, inlining_p): Remove.
12171 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12173 * ifcvt.c (if_convert): Make it static.
12174 * rtl.h: Remove the prototype for if_convert.
12176 * local-alloc.c (local_alloc): Make it static.
12177 * rtl.h: Remove the prototype for local_alloc.
12179 * loop.c (loop_optimize): Make it static.
12180 * cfgloop.h: Remove the prototype for loop_optimize.
12183 2006-01-16 DJ Delorie <dj@redhat.com>
12185 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12188 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12190 * pa.md: Disparage copies between general and floating-point registers
12191 in 32-bit move patterns.
12193 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12196 * Makefile.in (check-%): Depend on site.exp instead of
12197 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12200 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12202 * global.c (global_alloc): Make it static.
12203 * rtl.h: Remove the prototype for global_alloc.
12205 2006-01-16 Richard Guenther <rguenther@suse.de>
12207 * tree-ssa-alias.c (struct used_part): Add write_only field.
12208 (get_or_create_used_part_for): Initialize it to true.
12209 (create_overlap_variables_for): Don't create structure variables
12210 for structures that only are written to.
12211 (find_used_portions): Handle MODIFY_EXPR to track whether a
12212 structure is only written to.
12214 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12216 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12218 * basic-block.h: Remove the prototype for
12219 partition_hot_cold_basic_blocks.
12221 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12223 * cppspec.c (lang_specific_spec_functions): Remove.
12224 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12225 * gcc.h (lang_specific_spec_functions): Remove.
12226 * gccspec.c (lang_specific_spec_functions): Remove.
12228 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12230 * combine.c (record_value_for_reg): Invalidate registers
12232 (record_dead_and_set_regs_1): Likewise, by passing them to
12233 record_value_for_reg.
12234 (record_dead_and_set_regs): Invalidate stores made by a
12235 call. We do not combine across a call, but we still
12236 relied on equivalences.
12238 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12240 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12241 vrp_int_const_binop returning non-constant nodes.
12243 2006-01-16 Paul Brook <paul@codesourcery.com>
12245 * config/m68k/m68k.c (output_move_const_into_data_reg):
12246 Output correct mnemonic for mvz and mvs.
12248 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12250 * rtl-factoring.c: Add sequence abstraction algorithm.
12251 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12252 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12254 (block_has_preserve_label): New function.
12255 * common.opt: Register new pass.
12256 * Makefile.in: Ditto.
12258 * timevar.def: Ditto.
12259 * tree-pass.h: Ditto.
12260 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12261 * rtl.h (make_jump_insn_raw): Add forward decl.
12262 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12264 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12265 Roger Sayle <roger@eyesopen.com>
12267 * fold-const.c (fold_minmax): New static function.
12268 (fold_binary) <MIN_EXPR>: Call it.
12269 <MAX_EXPR>: Likewise.
12270 * stor-layout.c (place_field): Use DECL_SIZE consistently
12271 in the computation of the new record size.
12273 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12275 * cse.c (cse_condition_code_reg): Make it static.
12276 * rtl.h: Remove the prototype for cse_condition_code_reg.
12278 * combine.c (combine_instructions): Make it static.
12279 * rtl.h: Remove the prototype for combine_instructions.
12281 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12284 * tree.c (get_file_function_name_long): Concatenate the first global
12285 object name with a string derived from the input filename of the object
12288 2006-01-16 Ben Elliston <bje@au.ibm.com>
12290 * config/i386/winnt-stubs.c: Update FSF address.
12291 * config/xtensa/ieee754-df.S: Ditto.
12292 * config/xtensa/ieee754-sf.S: Ditto.
12294 2006-01-14 Ian Lance Taylor <ian@airs.com>
12296 * ifcvt.c (noce_init_if_info): New static function, broken out of
12297 noce_process_if_block.
12298 (noce_process_if_block): Call noce_init_if_info.
12299 (check_cond_move_block): New static function.
12300 (cond_move_process_if_block): New static function.
12301 (process_if_block): Call cond_move_process_if_block.
12303 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12305 * cselib.c (hash_table): Rename to cselib_hash_table.
12306 (cselib_clear_table, discard_useless_values,
12307 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12308 cselib_init, cselib_finish): Adjust uses of hash_table.
12310 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12312 PR tree-optimization/25485
12313 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12314 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12315 is known to be false and true, respectively.
12317 2006-01-14 Richard Guenther <rguenther@suse.de>
12319 PR tree-optimization/22548
12320 PR tree-optimization/22555
12321 PR tree-optimization/22501
12322 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12323 * params.def (salias-max-array-elements): New parameter.
12324 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12325 * doc/invoke.texi (salias-max-array-elements): Document.
12326 * tree-flow-inline.h (var_can_have_subvars): We also handle
12328 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12330 * tree-ssa-structalias.c (params.h): Include.
12331 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12332 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12333 (get_constraint_for): For ADDR_EXPR operating on something
12334 containing an ARRAY_REF, add all subvars to the solution.
12335 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12336 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12337 for creating MUST_DEFs.
12338 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12340 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12342 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12344 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12345 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12346 number_of_iterations_le): New functions.
12347 (number_of_iterations_special): Removed.
12348 (number_of_iterations_exit): Do not use number_of_iterations_special.
12349 * tree.c (unsigned_type_for): Always return integer type.
12351 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12352 Richard Guenther <rguenther@suse.de>
12354 PR rtl-optimization/24257
12355 * gcse.c (find_moveable_store): Only consider a store movable
12356 when the SET_SRC of the insn can be assigned to a register.
12358 2006-01-14 Ian Lance Taylor <ian@airs.com>
12360 * tree.c (tree_not_class_check_failed): New function.
12361 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12362 (tree_not_class_check_failed): Declare.
12364 2006-01-13 Ian Lance Taylor <ian@airs.com>
12366 * reload1.c (do_output_reload): Add assertion rejecting a
12369 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12371 * combine.c (struct reg_stat): Add new fields truncation_label and
12373 (record_value_for_reg): Reset truncated_to_mode.
12374 (record_truncated_value): New function.
12375 (check_promoted_subreg): Call it. Rename to check_conversions.
12376 (combine_instructions): Rename check_promoted_subreg to
12378 (reg_truncated_to_mode): New function.
12379 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12380 (gen_lowpart_or_truncate): New function.
12381 (force_to_mode): Use it instead of gen_lowpart.
12383 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12385 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12386 VAR is a tag, not its type tag.
12388 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12390 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12391 alternatives to match style of other entries.
12392 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12394 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12396 PR tree-optimization/25771
12397 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12400 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12403 * tree-inline.c (declare_return_variable): If the return variable
12404 was marked as a non gimple complex, set the return slot variable
12405 to be a non gimple comple variable.
12407 2006-01-13 Richard Guenther <rguenther@suse.de>
12409 * builtins.c (expand_builtin_sincos): New function.
12410 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12412 (expand_builtin): Expand sincos using expand_builtin_sincos.
12414 2006-01-12 DJ Delorie <dj@redhat.com>
12416 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12417 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12418 so that constant shifts can be split.
12419 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12420 (m32c_valid_pointer_mode): Make static.
12421 (shift_gen_func_for): New.
12422 (m32c_prepare_shift): Use it. Split large const shifts into
12424 * config/m32c/predicates.md (shiftcount_operand): Allow more
12426 (longshiftcount_operand): New.
12427 * doc/md.texi (Machine Constraints): Document In6.
12429 2006-01-13 Ben Elliston <bje@au.ibm.com>
12431 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12432 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12435 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12437 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12438 to try to avoid clobbering pieces of structures when we know
12439 something about the whole structure.
12440 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12442 2006-01-13 Ben Elliston <bje@au.ibm.com>
12444 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12445 return in memory, as this is no limitation is no longer present.
12447 2006-01-12 DJ Delorie <dj@redhat.com>
12449 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12450 mova with fb, and for fb+0 -> An.
12452 * config/m32c/mov.md (peephole2): Fix enabling logic.
12454 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12455 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12456 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12457 FINI_ARRAY_SECTION_ASM_OP): Define.
12459 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12461 (m32c_legitimize_reload_address): New logic to reload FB to An.
12462 (m32c_output_reg_push): Add newline.
12463 (m32c_output_reg_pop): Likewise.
12465 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12467 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12469 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12471 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12473 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12475 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12478 2006-01-11 Ben Elliston <bje@au.ibm.com>
12480 * rtlanal.c (find_reg_note): Assert insn is not null.
12482 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12484 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12487 2006-01-11 Jeff Law <law@redhat.com>
12489 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12491 (mark_threaded_blocks, register_jump_thread): New functions.
12492 (thread_through_all_blocks): Remove unwanted argument. No
12493 longer rely on e->aux to communicate thread target info.
12494 Call mark_threaded_blocks. Release the threaded_blocks
12495 bitmap and threaded_edges vector when complete.
12496 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12497 (threaded_blocks): Remove.
12498 (tree_ssa_dominator_optimize): Remove initialization and
12499 finalization of threaded_blocks. Simplify call to
12500 thread_through_all_blocks.
12501 (thread_across_edge): Call register_jump_thread rather than
12502 storing thread information into e->aux.
12503 (free_all_edge_infos): Simplify now that e->aux is no longer
12504 used to communicate with thread_through_all_blocks.
12505 * tree-flow.h (thread_through_all_blocks): Update prototype.
12506 (register_jump_thread): Prototype.
12508 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12510 * df-core.c (df_compact_blocks, df_bb_replace): Use
12511 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12513 2006-01-11 Richard Guenther <rguenther@suse.de>
12515 PR tree-optimization/25734
12516 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12517 stop propagation after successful propagation to the LHS.
12519 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12521 * basic-block.h (control_flow_graph): Change the type of
12522 x_basic_block_info to VEC(basic_block,gc) *.
12523 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12525 (SET_BASIC_BLOCK): New.
12526 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12527 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12528 * cfgbuild.c (find_basic_blocks): Likewise.
12529 * cfglayout.c (fixup_reorder_chain): Likewise.
12530 * cfgrtl.c (create_basic_block_structure,
12531 rtl_create_basic_block): Likewise.
12532 * ifcvt.c (find_if_case_1): Likewise.
12533 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12536 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12538 * Makefile.in: Removed rotted odf.c entry.
12540 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12543 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12544 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12545 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12546 output pattern modifier, not %e.
12547 * config/cris/cris.c (cris_op_str): Update comment about pattern
12549 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12550 before falling through into...
12551 <case 'E'>: Redefined from old 'e' case.
12553 2006-01-11 Jan Hubicka <jh@suse.cz>
12556 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12558 2006-01-11 Jan Hubicka <jh@suse.cz>
12560 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12561 * i386.c (x86_decompose_lea): Kill.
12562 (ix86_rtx_costs): Kill.
12564 2006-01-11 Jan Hubicka <jh@suse.cz>
12566 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12567 * cgraph.h (cgraph_node): Add inline_decl.
12568 (cgraph_insert_node_to_hashtable): Declare.
12569 (save_inline_function_body): Declare.
12570 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12572 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12573 (cgraph_function_versioning): Update call of tree_function_versioning.
12574 (save_inline_function_body): New function.
12575 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12576 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12577 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12578 (cgraph_default_inline_p): Likewise.
12579 (cgraph_decide_inlining_incrementally): Likewise.
12580 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12581 (copy_bb): Kill saving; do updating of clones.
12582 (copy_cfg_body): Kill saving.
12583 (initialize_inlined-parameters): Likewise.
12584 (expand_call_inline): Likewise.
12586 (tree_function_versioning): New parameter "update_clones".
12587 (inlining_p): Kill saving.
12588 * tree-inline.h (tree_function_versioning): Update prototype.
12589 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12592 2006-01-11 Ian Lance Taylor <ian@airs.com>
12594 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12595 Allow undoing set of machine mode.
12596 (do_SUBST): Use enums instead of is_int.
12597 (do_SUBST_MODE): New function.
12598 (SUBST_MODE): New macro.
12599 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12600 reg and trying to replace reg_regno_rtx with a new register.
12601 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12602 (simplify_set): Use SUBST_MODE.
12603 (distribute_notes): Remove code that tried to update reg notes
12604 for regno_reg_rtx changes.
12606 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12608 PR tree-optimization/23109
12609 PR tree-optimization/23948
12610 PR tree-optimization/24123
12612 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12613 * tree-cfg.c (single_noncomplex_succ): New.
12614 * tree-flow.h (single_noncomplex_succ): Declare it.
12615 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12616 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12617 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12618 insert_bb, register_division_in, insert_reciprocals,
12619 replace_reciprocal, free_bb): New.
12620 (execute_cse_reciprocals_1): Rewritten.
12621 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12622 Do not commit any edge insertion. Always compute dominators and
12623 create the allocation pool.
12624 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12625 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12626 * targhooks.c (default_min_divistions_for_recip_mul): New.
12627 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12628 * passes.c (init_optimization_passes): Run recip after tree loop
12630 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12632 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12633 Kenneth Zadeck <zadeck@naturalbridge.com>
12635 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12636 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12637 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12638 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12639 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12640 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12641 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12642 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12643 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12644 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12645 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12646 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12647 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12648 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12649 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12650 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12651 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12652 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12653 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12654 DF_SCAN_POST_ALLOC): New macros.
12655 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12656 df_free_bb_function, df_local_compute_function, df_init_function,
12657 df_dataflow_function, df_confluence_function_0,
12658 df_confluence_function_n, df_transfer_function,
12659 df_finalizer_function, df_free_function, df_dump_problem_function,
12660 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12661 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12662 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12663 df_urec_bb_info, ) New types.
12664 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12666 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12667 df_analyze_simple_change_some_blocks,
12668 df_analyze_simple_change_one_block, df_compact_blocks,
12669 df_bb_replace, df_bb_regno_last_use_find,
12670 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12671 df_insn_regno_def_p, df_find_def, df_find_use,
12672 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12673 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12674 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12675 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12676 debug_df_chain, df_get_dependent_problem, df_chain_create,
12677 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12678 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12679 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12680 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12681 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12682 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12683 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12684 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12685 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12686 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12687 df_reorganize_refs, df_set_state, df_hard_reg_init,
12688 df_read_modify_subreg_p) New public functions.
12689 * df-core.c: The core dataflow solver and glue routines for rtl
12691 (df_init, df_add_problem, df_set_blocks, df_finish,
12692 df_hybrid_search_forward, df_hybrid_search_backward,
12693 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12694 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12695 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12696 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12697 df_reg_defined, df_find_use, df_reg_used, df_dump,
12698 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12699 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12700 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12701 debug_df_useno, reset_df_after_reload): New functions.
12702 * df-scan.c: The scanning fuctions, once in df.c, completely
12703 rewritten so that they now fully model the functionality of
12704 register usage at the backend.
12705 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12706 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12707 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12708 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12709 df_get_artificial_defs, df_get_artificial_uses,
12710 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12711 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12712 df_refs_delete, df_reorganize_refs, df_set_state,
12713 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12714 df_def_record_1, df_defs_record, df_uses_record,
12715 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12716 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12717 df_record_exit_block_uses, df_hard_reg_init): New functions.
12719 * df-problems.c: Seven concrete dataflow problems that use the
12720 scanning in df-scan.c and are solved by the engine in df-core.c.
12721 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12722 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12723 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12724 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12725 df_ru_free_bb_info, df_ru_alloc,
12726 df_ru_bb_local_compute_process_def,
12727 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12728 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12729 df_ru_transfer_function, df_ru_free, df_ru_dump,
12730 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12731 df_rd_free_bb_info, df_rd_alloc,
12732 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12733 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12734 df_rd_transfer_function, df_rd_free, df_rd_dump,
12735 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12736 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12737 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12738 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12739 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12740 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12741 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12742 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12743 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12744 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12745 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12746 df_urec_mark_reg_use_for_earlyclobber,
12747 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12748 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12749 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12750 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12751 df_chain_create_bb_process_use, df_chain_create_bb,
12752 df_chain_finalize, df_chain_free, df_chains_dump,
12753 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12754 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12755 df_reg_lifetime): New functions.
12756 * df.c: Deleted file.
12757 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12758 consistent with new df api.
12759 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12760 rest_of_handle_sms): Ditto.
12761 * web.c (unionfind_union, union_defs, entry_register, web_main):
12763 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12764 invariant_expr_equal_p, find_defs, check_dependencies,
12765 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12766 free_inv_motion_data, move_loop_invariants): Ditto.
12767 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12768 Update dependencies.
12769 (odf.c): Added defective entry that was deleted later in day.
12770 * sched-deps.c (sched_analyze_1): Ditto.
12772 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12774 * tree-ssa-operands.c (get_expr_operands): Record addressable
12775 variables directly. Do not call add_stmt_operands for CONST_DECLs
12777 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12778 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12780 2006-01-11 Ben Elliston <bje@au.ibm.com>
12782 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12783 function returns true in the positive case.
12785 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12788 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12789 for SI, DI, SF and DF modes. Add alternatives to copy between
12790 general and floating point registers to the 32-bit patterns.
12791 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12792 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12793 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12794 generating 64-bit code.
12795 * config/pa/pa.c (output_move_double): Handle copies between general
12796 and floating registers.
12798 2006-01-10 Stuart Hastings <stuart@apple.com>
12800 * config/i386/i386.md (set_got): Update.
12801 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12802 (builtin_setjmp_receiver): Mach-O support.
12803 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12804 (GOT_SYMBOL_NAME): Define.
12805 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12806 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12807 * config/i386/i386.c (override_options): Revise for Darwin.
12808 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12809 support. (darwin_x86_file_end): New. (output_set_got): Add label
12810 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12811 * config/i386/i386-protos.h (output_set_got): Likewise.
12812 * config/darwin.c (machopic_legitimize_pic_address): Update
12815 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12817 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12818 when MODE isn't BLKmode.
12820 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12822 PR rtl-optimization/25367
12823 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12825 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12828 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12829 for a negative bound.
12831 2006-01-10 Richard Guenther <rguenther@suse.de>
12833 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12834 Never override with anything constraint.
12836 2006-01-10 Jan Beulich <jbeulich@novell.com>
12838 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12839 256 bits when optimize_size.
12841 2006-01-10 Jan Beulich <jbeulich@novell.com>
12843 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12845 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12846 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12849 2006-01-10 Ben Elliston <bje@au.ibm.com>
12851 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12853 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12854 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12855 (USE_FP_FOR_ARG): Reject decimal float modes.
12856 (function_arg_advance): Likewise.
12857 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12858 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12859 point types in AltiVec vectors.
12860 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12861 (rs6000_libcall_value): Likewise.
12863 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12865 * config/xtensa/ieee754-df.S: New file.
12866 * config/xtensa/ieee754-sf.S: New file.
12867 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12868 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12869 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12871 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12873 * config/sh/predicates.md (binary_float_operator,
12874 binary_logical_operator, commutative_float_operator,
12875 equality_comparison_operator, greater_comparison_operator,
12876 less_comparison_operator, logical_operator,
12877 noncommutative_float_operator, shift_operator,
12878 symbol_ref_operand, unary_float_operator): Remove redundant
12881 2006-01-09 Jeff Law <law@redhat.com>
12883 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12884 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12885 now unused arguments. Callers updated.
12886 (eliminate_redundant_computations): Remove now unused arguments,
12888 (local_fold): Remove, no longer used.
12889 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12891 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12892 (simplify_cond): New function.
12893 (forward_propagate_into_cond): Call simplify_cond.
12895 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12897 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12898 (*vec_extractv2di_1_sse): New.
12900 2006-01-09 Ben Elliston <bje@au.ibm.com>
12902 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12904 2006-01-08 Richard Guenther <rguenther@suse.de>
12906 * tree-ssa-structalias.c (get_constraint_for): Remove
12907 anyoffset argument.
12908 (get_constraint_for_component_ref): Likewise.
12909 (do_deref): Likewise.
12910 (get_constraint_for): Likewise.
12911 (do_structure_copy): Likewise.
12912 (handle_ptr_arith): Likewise.
12913 (find_func_aliases): Likewise. Remove unused need_anyoffset
12916 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12917 Kaz Kojima <kkojima@gcc.gnu.org>
12919 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12920 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12921 (EXTRA_CONSTRAINT_C16): Remove.
12922 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12923 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12924 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12925 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12926 constants of SHmedia. Handle nested constant expressions of
12928 (andcosts): Fix the costs for SHmedia constants.
12929 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12930 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12931 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12932 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12933 (movv4hi_i, movv2si_i): Likewise.
12934 (movsi_const): Adjust the second operand of ior so to match with
12935 the Csu constraint.
12936 (movdi_const, movdi_const_32bit): Likewise.
12937 (movdi_const_16bit+1): Don't sign-extend LOW.
12938 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12940 (*double_shori): Fix the split condition. Use GEN_INT instead
12941 of get_int_mode calls. Mask lower 16-bit of the argument of
12943 (sym2GOTPLT): Remove.
12944 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12946 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12947 instead of EXTRA_CONSTRAINT_C16.
12949 2006-01-07 Ian Lance Taylor <ian@airs.com>
12950 David Edelsohn <edelsohn@gnu.org>
12952 PR rtl-optimization/25662
12953 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12954 for constant operands instead of simplify_gen_binary.
12955 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12956 after trying simplify_binary_operation
12958 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12960 * tree.c (iterative_hash_expr): Hash decls based on UID.
12962 2006-01-06 Eric Christopher <echristo@apple.com>
12964 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12965 (TARGET_UNWIND_EMIT): Fix spelling.
12966 * target.h (gcc_target): Add except_table_label.
12967 * except.c (output_function_exception_table): Use.
12968 * varasm.c (default_emit_except_table_label): New.
12969 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12971 (asm_out): Add here.
12972 * output.h (default_emit_except_table_label): Prototype.
12973 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12974 * config/darwin.c (darwin_emit_except_table_label): Define.
12975 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12977 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12979 PR tree-optimization/18527
12980 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12981 number_of_iterations_special, number_of_iterations_exit):
12982 Move base and step of an iv to a single structure. Add
12983 no_overflow flag, and use it in # of iterations analysis.
12984 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12985 folded_casts argument.
12986 (simple_iv): Pass base and step in a structure. Set no_overflow
12988 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12989 Evaluate expensiveness of computing # of iterations instead of
12990 the final expression.
12991 * tree-scalar-evolution.h (affine_iv): New structure.
12992 (simple_iv): Declaration changed.
12993 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12994 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12995 find_givs_in_stmt): Changed due to simple_iv change.
12997 2006-01-06 Jeff Law <law@redhat.com>
13000 * tree-cfg.c (bsi_replace): Rename final argument from
13001 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13002 change (stmt -> orig_stmt).
13003 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13004 (bsi_remove): Add new argument. Remove EH information
13006 (verify_eh_throw_table_statements): New function.
13007 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13009 * tree-optimize.c (execute_free_cfg_annotations): Verify
13010 the EH throw statement table after removing annotations.
13011 * except.h (verify_eh_throw_table_statements): Prototype.
13012 * tree-flow.h (bsi_remove): Update prototype.
13013 * tree-vrp.c (remove_range_assertions): Add new argument to
13015 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13016 * tree-complex.c (expand_complex_div_wide): Likewise.
13017 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13018 * tree-tailcall.c (eliminate_tailcall): Likewise.
13019 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13020 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13021 * tree-nrv.c (tree_nrv): Likewise.
13022 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13023 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13024 (combine_blocks): Likewise.
13025 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13026 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13027 (cleanup_control_flow): Likewise.
13028 (remove_forwarder_block): Likewise.
13029 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13030 * tree-sra.c (sra_replace): Likewise.
13031 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13032 (forward_propagate_single_use_vars): Likewise.
13033 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13034 * tree-inline.c (expand_call_inline): Likewise.
13035 * tree-vect-transform.c (vect_transform_loop): Likewise.
13036 * tree-outof-ssa.c (rewrite_trees): Likewise.
13037 * tree-cfg.c (make_goto_expr_edges): Likewise.
13038 (cleanup_dead_labels): Likewise.
13039 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13040 (bsi_move_before, bsi_move_after): Likewise.
13041 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13042 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13044 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13047 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13049 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13050 on non gimple variables. Also add checks at the top for decls and
13052 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13054 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13055 and IMAGPART_EXPR for creating MUST_DEFs.
13056 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13057 and NAME_MEMORY_TAG separately from the DECLs.
13059 2006-01-06 Richard Guenther <rguenther@suse.de>
13061 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13062 annotation, if necessary.
13063 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13064 redundant calls to update_stmt.
13065 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13068 2006-01-05 Richard Henderson <rth@redhat.com>
13070 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13072 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13074 * c-typeck.c: Update copyright date.
13076 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13078 * c-typeck.c (build_c_cast): Always warn when casting
13079 from a pointer to an integer of different size, even if
13080 the node was constant.
13082 2006-01-05 Richard Guenther <rguenther@suse.de>
13084 PR tree-optimization/22555
13085 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13086 if one structure field is an array.
13087 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13088 operands even if we found a subvar, but ignore VOPs in this
13090 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13092 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13094 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13096 PR middle-end/24998
13097 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13099 2006-01-05 Richard Guenther <rguenther@suse.de>
13100 Diego Novillo <dnovillo@redhat.com>
13102 * tree-pass.h (TODO_remove_unused_locals): Define.
13103 * gimple-low.c (expand_var_p, remove_useless_vars,
13104 pass_remove_useless_vars): Remove. Update all users.
13105 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13106 (remove_unused_locals): New function.
13107 * tree-flow.h (remove_unused_locals): Declare.
13108 * passes.c (execute_todo): Call remove_unused_locals if
13109 TODO_remove_unused_locals is set.
13110 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13111 * tree-ssa-dce.c (pass_dce): Likewise.
13112 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13114 2006-01-05 Richard Guenther <rguenther@suse.de>
13116 * tree-flow.h (struct fieldoff): Decompose field to
13117 type, size and decl.
13118 * tree-ssa-alias.c (create_sft): Take type as parameter.
13119 (create_overlap_variables_for): Store type, size and decl
13120 in the fieldoff structure.
13121 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13122 of struct fieldoff.
13123 (push_fields_onto_fieldstack): Likewise.
13124 (create_variable_info_for): Likewise. Use offset for the
13125 SFT name if the decl is not available.
13127 2006-01-04 Paul Brook <paul@codesourcery.com>
13129 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13131 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13133 * lambda-code.c (can_put_in_inner_loop): Relax
13135 (can_put_after_inner_loop): New function.
13136 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13137 (perfect_nestify): Change to make copies and modify uses.
13139 2006-01-04 Richard Henderson <rth@redhat.com>
13141 Merge from gomp branch:
13142 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13143 via integer constant.
13144 (pragma_lex): Remove.
13145 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13146 rather than parsing it.
13147 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13148 handle_pragma_extern_prefix): Add %< %> quotes.
13149 (registered_pragmas): New.
13150 (c_register_pragma_1): New.
13151 (c_register_pragma): Use it.
13152 (c_register_pragma_with_expansion): Likewise.
13153 (c_invoke_pragma_handler): New.
13154 (init_pragma): Use cpp_register_deferred_pragma directly for
13156 * c-pragma.h (enum pragma_kind): New.
13157 (pragma_handler): New.
13158 (c_invoke_pragma_handler): Declare.
13159 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13161 * c-common.h (c_common_pch_pragma): Update decl.
13162 * Makefile.in (c-parser.o): Update dependencies.
13163 (GTFILES): Add c-pragma.h.
13164 * c-parser.c (struct c_token): Add pragma_kind.
13165 (struct c_parser): Add in_pragma.
13166 (c_lex_one_token): Always initialize keyword and pragma_kind.
13167 Extract data for CPP_PRAGMA.
13168 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13169 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13170 Don't allow CPP_PRAGMA_EOL if in_pragma.
13171 (c_parser_consume_pragma): New.
13172 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13173 (c_parser_skip_to_end_of_parameter): Likewise.
13174 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13175 (c_parser_skip_to_pragma_eol): New.
13176 (c_parser_external_declaration): Handle CPP_PRAGMA.
13177 (c_parser_compound_statement_nostart): Likewise.
13178 (c_parser_statement_after_labels): Likewise.
13179 (c_parser_pragma): New.
13180 (pragma_lex): Likewise.
13181 (c_parser_pragma_pch_preprocess): New.
13182 (c_parser_new): Merge into ...
13183 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13185 2006-01-04 Jeff Law <law@redhat.com>
13188 * tree-cfg.c (bsi_replace): Remove the original statement
13189 from the EH throw statement table.
13191 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13193 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13194 make the prototype extern "C" and add throw ().
13197 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13198 and pos non-negative and pos + len <= 32.
13199 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13200 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13201 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13204 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13205 as well as sizes not multiple of component size.
13208 * function.c (instantiate_expr): New function.
13209 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13210 walk its DECL_VALUE_EXPR with instantiate_expr.
13212 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13213 DW_OP_deref{,_size} if address isn't going to be added.
13215 2006-01-04 Ben Elliston <bje@au.ibm.com>
13217 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13218 * config/fp-bit.c: Likewise.
13220 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13222 * dominance.c: Add comment about why we use DFS numbering
13225 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13226 Richard Henderson <rth@redhat.com>
13228 Merge from gomp-branch:
13229 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13230 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13232 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13234 PR rtl-optimization/25578
13235 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13236 pass a parameter to simplify_shift_const if changing ASHIFTRT
13239 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13241 * builtins.c (get_builtin_sync_mem): New function.
13242 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13243 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13244 Call get_builtin_sync_mem to generate mem rtx.
13246 2006-01-03 Richard Guenther <rguenther@suse.de>
13249 * stmt.c (add_case_node): Make sure to clear overflow flags
13252 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13254 Merge from gomp-branch.
13255 * config/sparc/sync.md: New file.
13256 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13257 UNSPECV_LDSTUB): New constants.
13258 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13259 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13260 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13263 2006-01-03 Roger Sayle <roger@eyesopen.com>
13265 * combine.c (reg_subword_p): New predicate to test whether the
13266 destination of a set refers to a subword/piece of a register.
13267 (try_combine): Generalize the code to merge the setting of a
13268 pseudo to a constant followed by a set of a subword of that
13269 register to a constant.
13271 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13273 * basic-block.h (control_flow_graph): Change the type of
13274 x_label_to_block_map to VEC(basic_block,gc) *.
13275 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13276 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13278 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13279 VEC(basic_block,heap) *.
13280 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13281 ssa_prop_fini): Adjust the uses of cfg_blocks.
13283 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13285 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13287 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13288 hashing trees instead of a pointer hash.
13289 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13290 compare for MEM_EXPR.
13292 PR rtl-optimization/25130
13293 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13294 when comparing MEMs for GCSE
13296 2006-01-03 Ben Elliston <bje@au.ibm.com>
13298 * targhooks.h (default_decimal_float_supported_p): Declare.
13299 * targhooks.c (default_decimal_float_supported_p): Define.
13300 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13301 `default_decimal_float_supported_p'.
13302 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13304 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13306 * combine.c (apply_distributive_law <SUBREG>): Check
13307 TRULY_NOOP_TRUNCATION.
13309 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13311 * dwarf2out.c (have_switched_text_section): Delete.
13312 (have_multiple_function_sections): New.
13313 (have_location_lists): Make 'bool'.
13314 (add_AT_loc_list): Use 'true' not '1'.
13315 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13316 (output_loc_list): Use have_multiple_function_sections.
13317 (output_ranges): Likewise.
13318 (dwarf2out_begin_function): Set have_multiple_function_sections if
13320 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13321 Check function_section rather than DECL_SECTION_NAME.
13322 (dwarf2out_finish): Use have_multiple_function_sections.
13323 Don't clear have_location_lists.
13325 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13326 Jan Hubicka <jh@suse.cz>
13328 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13329 case of conditional jump jumping to the next instruction.
13330 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13331 cases of conditional jump jumping to the next instruction.
13333 2006-01-02 Jan Hubicka <jh@suse.cz>
13335 * i386.c (*_cost): Add COSTS_N_INSNS.
13336 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13338 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13341 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13343 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13345 * config/arm/arm.c (all_fpus): Fix comment typo.
13346 * config/darwin.c: Likewise.
13347 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13348 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13349 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13351 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13353 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13354 (rs6000_split_compare_and_swapqhi): New.
13355 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13356 (sync_compare_and_swapqhi_internal): New.
13357 * config/rs6000/rs6000-protos.h: Declare.