1 2006-07-20 Roger Sayle <roger@eyesopen.com>
3 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4 if the target assembler is GNU binutils' gas.
5 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6 whether to pass GNU gas or native as command line options.
8 2006-07-20 Jason Merrill <jason@redhat.com>
10 * tree.c (remove_attribute): New fn.
12 2006-07-20 Paul Brook <paul@codesourcery.com>
15 * cse.c (cse_insn): Add destination addresses to hash table. Check if
16 they are invalidated by this instruction.
18 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
21 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
23 2006-07-20 Eric Christopher <echristo@apple.com>
26 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
28 2006-07-19 Eric Christopher <echristo@apple.com>
30 * config/t-slibgcc-darwin (stmp-lipo): Remove.
31 Rewrite dependencies for libgcc_s.1.dylib.
33 2006-07-19 Jakub Jelinek <jakub@redhat.com>
35 * except.c (duplicate_eh_regions_1): Clear next_peer.
37 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
39 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
40 -mlongcall does not guarantee all calls will be long.
41 * doc/extend.texi (long_call/short_call): Document that longcall
42 does not guarantee a long call will be used.
43 (longcall/shortcall): Likewise.
45 2006-07-18 Roger Sayle <roger@eyesopen.com>
48 * expmed.c (expand_shift): Additionally check that the shift_cost
49 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
50 before implementing a LSHIFT_EXPR as a sequence of additions.
51 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
52 middle-end that DImode shifts need to be synthesized by expand.
54 2006-07-18 Diego Novillo <dnovillo@redhat.com>
57 * tree-ssa-operands.c (access_can_touch_variable): Update
59 Return true if ALIAS is .GLOBAL_VAR.
61 2006-07-18 David Daney <ddaney@avtrex.com>
63 * gcc.c (display_help): Fix typo in help text.
65 2006-07-18 Olivier Hainque <hainque@adacore.com>
67 * tree.h (categorize_ctor_elements): Adjust prototype and add
68 descriptive comment, both in accordance with the interface change
70 * varasm.c (constructor_static_from_elts_p): New function.
71 Whether a constructor node is a valid static constant initializer
72 if all its elements are.
73 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
74 * output.h: Declare it.
75 * expr.c (categorize_ctor_elements_1): Return whether the constructor
76 is a valid constant initializer instead of computing the number of
77 non-constant elements. Use constructor_static_from_elts_p for this
78 purpose. Replace the head comment with an indication that this is a
79 helper for categorize_ctor_elements.
80 (categorize_ctor_elements): Same interface change as for the _1
81 helper. Former head comment from this helper moved here, adjusted to
82 account for the interface changes.
83 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
84 (all_zeros_p): Likewise.
85 * gimplify.c (gimplify_init_constructor): Decide whether we can make
86 static versions of the constructor from the categorize_ctor_elements
87 return value instead of the formerly computed number of non-constant
90 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
92 * configure: Regenerate.
93 * Makefile.in (build_libsubdir): New configure substitution
94 (build_libobjdir): New variable.
95 (BUILD_LIBIBERTY): Use it.
97 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
100 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
102 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
105 * c-common.c (handle_weakref_attribute): Ignore attribute in
106 the same conditions the alias attribute is ignored.
108 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
110 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
111 (dbxout_begin_prologue): Increment scope_labelno.
113 2006-07-17 Richard Henderson <rth@redhat.com>
116 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
119 2006-07-17 Roger Sayle <roger@eyesopen.com>
120 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
122 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
123 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
124 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
125 functions such as sbrk, write, etc.. Add function prototypes.
126 Convert function declarations from K&R to ISO C. Cast pointers
127 to "long" and "unsigned long" instead of "int" and "unsigned int".
128 Convert tokens following #endif into comments.
130 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
132 * invoke.texi: Remove mention of f77; Reformat table for
133 inline parameter options correctly; mention that -malign-double
134 is default on x86-64 targets.
136 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
138 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
139 (convert_affine_scev, chrec_convert_aggressive): Use
140 avoid_arithmetics_in_type_p. Do not check for the subtypes
143 2006-07-17 Richard Sandiford <richard@codesourcery.com>
146 * optabs.c (expand_doubleword_shift): Wrap the call to
147 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
149 2006-07-17 Richard Sandiford <richard@codesourcery.com>
152 * optabs.c (expand_binop): Pass next_methods rather than methods
153 to expand_doubleword_shift.
155 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
158 * tree.h (dump_addr): Declare.
159 * print-tree.c (dump_addr): New function.
160 (print_node_brief, print_node): Use it.
161 * print-rtl.c (print_rtx): Likewise.
162 * common.opt (-fdump-noaddr): New option.
163 * doc/invoke.texi (-fdump-noaddr): Document.
164 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
165 (ve_info_hash): Likewise.
167 2006-07-13 Andrew Haley <aph@redhat.com>
169 PR tree-optimization/19505
170 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
171 edge leaving this block, make sure that the destination of this
172 block has only one predecessor.
174 2006-07-17 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/28238
177 * tree-inline.c (copy_bb): Check if we produced valid
178 gimple copying and substituting a stmt. If not, gimplify
181 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
183 * optabs.c (maybe_encapsulate_block): New function extracted from...
184 (emit_libcall_block): ...here. Invoke it on the block of insns to
185 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
186 (emit_no_conflict_block): Likewise.
188 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
190 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
192 2006-07-15 Roger Sayle <roger@eyesopen.com>
194 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
195 a new NOP_EXPR case of the switch statement.
197 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
200 * stor-layout.c (place_field): Take the bit field with
201 an excessive size into account in the ms-bitfiled case.
204 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
205 the previous bit field.
207 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
210 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
212 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
214 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
215 signal frames correctly even when the signal was installed with
218 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
220 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
221 (dbxout_function_end): Use local label LFBB. Remove hook
223 (dbxout_source_line): Use local label LFBB.
224 (dbxout_block): Likewise.
225 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
226 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
227 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
230 2006-07-13 Janis Johnson <janis187@us.ibm.com>
232 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
234 2006-07-13 Jan Hubicka <jh@suse.cz>
236 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
238 * output.h (align_variable): Declare.
239 * varasm.c (align_variable): Export.
240 * value-prof.c (tree_value_profile_transformations): Recompute iterator
241 when basic block changed.
243 2006-07-13 Nick Clifton <nickc@redhat.com>
245 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
246 walking the LOG_LINKS chain.
248 2006-07-12 Geoffrey Keating <geoffk@apple.com>
250 * doc/invoke.texi (C++ Dialect Options): Explain difference
251 between -fvisibility-inlines-hidden and setting hidden
252 visibility explicitly.
254 2006-07-12 Eric Christopher <echristo@apple.com>
256 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
257 (stmp-lipo): Depend on libgcc.a.
259 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
261 * tree.c: Fix a comment typo.
263 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
265 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
267 (umulhisi3_r): Likewise.
269 2006-07-12 Paolo Carlini <pcarlini@suse.de>
272 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
273 x < 19, vs wchar_t support.
275 2006-07-12 Nick Clifton <nickc@redhat.com>
277 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
280 2006-07-12 Mike Stump <mrs@apple.com>
282 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
284 2006-07-10 Eric Christopher <echristo@apple.com>
286 * config/t-slibgcc-darwin: Rewrite.
288 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
291 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
294 2006-07-08 Matthias Klose <doko@debian.org>
296 * doc/sourcebuild.texi: Fix typo.
298 2006-07-07 Mike Stump <mrs@apple.com>
300 * toplev.c (process_options): Don't give -ffunction-sections may
301 affect debugging warning for Mach-O.
303 2006-07-07 James E Wilson <wilson@specifix.com>
305 * config/mips/mips.md (cpu): Add sb1a.
306 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
307 addition to sb1. Adjust comments to clarify SB-1A differences from
309 (ir_sb1a_load): New. Modify bypasses to use it.
310 (ir_sb1a_simple_alu): Likewise.
311 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
312 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
313 (mips_issue_rate): Add PROCESSOR_SB1A.
314 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
315 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
316 (TARGET_SB1): Add PROCESSOR_SB1A check.
317 (TUNE_SB1): Likewise.
319 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
320 * config/mips/mips.c (mips_store_data_bypass_p): New.
321 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
324 2006-07-08 Paul Brook <paul@codesourcery.com>
327 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
329 2006-07-07 Richard Guenther <rguenther@suse.de>
332 * tree.h (build_one_cst): Declare.
333 * tree.c (build_one_cst): New function.
334 * tree-ssa-math-opts.c (get_constant_one): Remove.
335 (insert_reciprocals): Use build_one_cst.
336 * fold-const.c (fold_plusminus_mult): Likewise.
338 2006-07-07 Roger Sayle <roger@eyesopen.com>
340 * pointer-set.c (pointer_set_destroy): Correct whitespace.
341 * cfgloopanal.c (dump_graph): Likewise.
342 * dojump.c (discard_pending_stack_adjust): Likewise.
343 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
345 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
346 * function.c (finalize_block_changes): Likewise.
347 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
348 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
349 * rtl.c (dump_rtx_statistics): Likewise.
350 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
352 * varray.c (dump_varray_statistics): Likewise.
353 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
354 decode_decimal64, encode_decimal128, decode_decimal128,
355 decimal_real_to_decimal): Likewise.
357 2006-07-07 Richard Guenther <rguenther@suse.de>
359 PR tree-optimization/28187
360 * tree-vrp.c (vrp_operand_equal_p): New function.
361 (vrp_bitmap_equal_p): Likewise.
362 (update_value_range): Use them to compare old and new
365 2006-07-06 Roger Sayle <roger@eyesopen.com>
367 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
368 a default case to switch statement to silence compiler warnings.
370 2006-07-06 Roger Sayle <roger@eyesopen.com>
373 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
374 the configured assembler supports the x87's ffreep mnemonic.
375 * configure: Regenerate.
376 * config.in: Regenerate.
378 * config/i386/i386.c (output_387_ffreep): New function.
379 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
380 (output_387_reg_move): Likewise.
382 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
384 Port to hosts whose 'sort' and 'tail' implementations
385 treat operands with leading '+' as file names, as POSIX
386 has required since 2001. However, make sure the code still
387 works on pre-POSIX hosts.
388 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
389 which says you should use "tail -c +N" rather than "tail +Nc".
390 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
392 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
394 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
397 2006-07-06 David Edelsohn <edelsohn@gnu.org>
400 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
401 PRE_{INC,DEC} of TFmode.
403 2006-07-06 David Edelsohn <edelsohn@gnu.org>
404 Alan Modra <amodra@bigpond.net.au>
407 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
410 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
413 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
414 Remove duplicate gtu.
416 2006-07-05 Jason Merrill <jason@redhat.com>
420 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
421 * c-common.c (handle_packed_attribute): So don't copy it here.
422 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
424 2006-07-05 Mike Stump <mrs@apple.com>
426 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
428 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
431 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
433 2006-07-05 Richard Guenther <rguenther@suse.de>
436 * config/i386/i386.md (*negdf2_1): Restrict pattern to
437 TARGET_SSE2 targets if using SSE math.
438 (*absdf2_1): Likewise.
440 2006-07-05 Richard Guenther <rguenther@suse.de>
442 PR tree-optimization/28162
443 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
444 make sure to convert the operands to the correct type.
446 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
448 PR tree-optimization/28218
450 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
451 to calculate and free the dominator information.
453 2006-07-04 Peter O'Gorman <peter@pogma.com>
455 * mklibgcc.in: chmod 644 before ranlib during install.
457 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
458 J"orn Rennecke <joern.rennecke@st.com>
460 * configure.ac (.eh_frame data check): Use diff -b.
462 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
465 * Makefile.in (BUILD_RTL): Add build/vec.o.
466 (build/gencondmd.o): Filter out -fkeep-inline-functions.
467 (build/genextract): Delete.
468 (build/genautomata): Likewise.
470 2006-07-04 Alan Modra <amodra@bigpond.net.au>
473 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
474 128-bit IBM long doubles for ABI_V4.
476 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
478 * tree.c (range_in_array_bounds_p): New predicate.
479 * tree.h (range_in_array_bounds_p): Declare it.
480 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
481 return a less conservative answer.
482 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
484 (IS_ELEMENT_FOR_GROUP): New macro.
485 (FOR_EACH_ACTUAL_CHILD): Likewise.
486 (next_child_for_group): New helper function.
487 (can_completely_scalarize_p): Take into account groups.
488 (sra_hash_tree): Handle RANGE_EXPR.
489 (sra_elt_eq): Likewise.
490 (lookup_element): Be prepared for handling groups.
491 (is_valid_const_index): Delete.
492 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
493 instead of is_valid_const_index.
494 <ARRAY_RANGE_REF>: New case.
495 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
496 is_valid_const_index.
497 <ARRAY_RANGE_REF>: Do not unconditionally punt.
498 (scan_dump): Dump info for groups too.
499 (decide_instantiation_1): Likewise.
500 (decide_block_copy): Assert that the element is not a group.
501 Propagate decision to groups.
502 (generate_one_element_ref): Handle RANGE_EXPR.
503 (mark_no_warning): Iterate over actual childs.
504 (generate_copy_inout): Likewise.
505 (generate_element_copy): Likewise.
506 (generate_element_zero): Likewise.
507 (generate_element_init_1): Likewise.
508 (dump_sra_elt_name): Handle RANGE_EXPR.
510 2006-07-03 Roger Sayle <roger@eyesopen.com>
512 PR tree-optimization/26251
513 * tree-ssa-threadupdate.c (redirection_block_p): New function.
514 (thread_block): When optimizing for size refuse to thread jumps
515 that would require duplication of blocks other than redirection
518 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
520 * configure.ac: Fix thinko in previous check-in.
521 * configure: Regenerate.
523 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
526 * configure.ac (for lang...): Simplify nesting of conditionals.
527 Test subdir_requires for non-enabled languages. Move processing
528 of lang_opt_files and lang_tree_fiels below that test.
529 * configure: Regenerate.
530 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
532 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
534 * doc/gcov.texi (Invoking Gcov): Add a missing word.
536 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
538 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
541 2006-06-29 Jason Merrill <jason@redhat.com>
548 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
549 * c-common.c (c_determine_visibility): Handle it here.
550 * c-decl.c (finish_decl): Call c_determine_visibility for
552 * flags.h (enum symbol_visibility): Sort from most to least visibility.
554 * varasm.c (default_assemble_visibility): Likewise.
555 * c-common.c (handle_visibility_attribute): Complain about trying
556 to give visibility to an already defined class, or trying to change
557 declared visibility. Always attach the attribute.
562 * attribs.c (decl_attributes): Ignore type-in-place attributes
563 once the type has been defined.
565 2006-06-29 Roger Sayle <roger@eyesopen.com>
568 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
569 to indicate the cpplib has issued an error message for us.
571 2006-06-29 Asher Langton <langton2@llnl.gov>
574 * config/i386/i386.c (ix86_output_function_epilogue): Don't
575 insert a label at the end of an function under Mach-O.
577 2006-06-29 Eric Christopher <echristo@apple.com>
578 Evan Cheng <evan.cheng@apple.com>
580 * predicates.md (vector_all_ones_operand): New.
581 (nonimmediate_or_sse_const_operand): Ditto.
582 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
583 * config/i386/i386.c (standard_sse_constant_opcode): Define.
584 (standard_sse_mode_p): Ditto.
585 (standard_sse_constant_p): Add case for -1 vector.
586 (ix86_expand_vector_move): Try to use.
587 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
588 Call standard_sse_constant_opcode.
589 (*movv4sf_internal): Ditto.
590 (*movv2df_internal): Ditto.
592 2006-06-29 Roger Sayle <roger@eyesopen.com>
594 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
595 of XEXP to extract the operands of a MATCH_CODE rtx.
597 2006-06-28 Andrew Pinski <pinskia@gmail.com>
599 * tree.c (tree_size): Do not waste tail padding in
600 struct tree_string and make the size be the same as
601 build_string will generate.
603 2006-06-28 Jason Merrill <jason@redhat.com>
606 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
607 may_aliases already in the tag's annotations to the bitmap.
609 2006-06-28 Roger Sayle <roger@eyesopen.com>
611 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
613 2006-06-28 Roger Sayle <roger@eyesopen.com>
615 * genpreds.c (generate_switch_p): New function.
616 (add_mode_tests): Push the new mode test down inside an AND expr
617 if this allows the switch-suitable MATCH_CODE to be near the root.
618 (write_match_code_switch): New function to write a MATCH_CODE as
620 (write_predicate_stmts): New function to write a predicate RTX
621 expression as a sequence of statements.
622 (write_one_predicate_function): Use write_predicate_stmts.
623 (write_tm_constrs_h): Likewise.
625 2006-06-26 Fred Fish <fnf@specifix.com>
627 * config/mips/t-sb1: New file.
628 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
631 2006-06-26 DJ Delorie <dj@redhat.com>
633 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
635 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
636 Jayant Sonar <jayants@kpitcummins.com>
637 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
639 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
640 (subsi3, subsi3_1, subsi3_2): New.
641 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
642 * config/m32c/mov.md (SI mov peephole): New.
643 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
644 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
646 2006-06-26 Olivier Hainque <hainque@adacore.com>
648 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
649 a CALL_EXPR target function declaration.
651 2006-06-26 Richard Guenther <rguenther@suse.de>
653 * tree.c (build_string): Do not waste tail padding in
656 2006-06-26 Richard Guenther <rguenther@suse.de>
658 * ggc-page.c (init_ggc): Add missing element to size_lookup
662 2006-06-23 Richard Guenther <rguenther@suse.de>
664 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
665 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
666 alignment requests instead. Add verification code.
667 Add struct tree_function_decl and struct tree_binfo size to
668 extra_order_size_table. Add missing element to size_lookup
671 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
674 * fold-const.c (const_binop): Be prepared for self returning zero.
675 Simplify code handling complex values.
677 2006-06-24 Olivier Hainque <hainque@adacore.com>
679 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
680 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
683 2006-06-24 Olivier Hainque <hainque@adacore.com>
685 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
686 ARRAY_REF, so have the callback called for the low bound expression.
688 2006-06-23 Janis Johnson <janis187@us.ibm.com>
690 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
691 * c-typeck.c (c_common_type): Disallow operations on decimal float
692 types and other float types.
693 * convert.c (convert_to_real): Don't ignore conversions involving
696 2006-06-23 Olivier Hainque <hainque@adacore.com>
698 * tree.c (max_int_size_in_bytes): New function, inspired from
699 code in function.c:assign_temp.
700 * tree.h (max_int_size_in_bytes): Declare.
701 * function.c (assign_temp): Use it.
702 * gimplify.c (create_tmp_var): Relax the assertions on the type
703 properties, not mandating constant size any more.
704 (force_constant_size): New static function.
705 (gimple_add_tmp_var): Use it, forcing variable size to a
706 constant upper bound if it is not constant on entry.
708 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
711 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
712 for initialization and setting of one_only flag to ...
713 (i386_pe_encode_section_info): ...here.
714 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
715 Recheck that the symbol has not been defined.
717 2006-06-23 Richard Guenther <rguenther@suse.de>
719 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
720 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
721 alignment requests instead. Add verification code.
722 Add struct tree_function_decl and struct tree_binfo size to
723 extra_order_size_table. Add missing element to size_lookup
726 2006-06-22 Roger Sayle <roger@eyesopen.com>
727 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
730 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
731 call to lang_hooks.types.type_for_mode returned NULL_TREE.
733 2006-06-23 Ben Elliston <bje@au.ibm.com>
735 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
736 negate dn -- manipulate it directly.
738 2006-06-22 Roger Sayle <roger@eyesopen.com>
739 Steven Bosscher <stevenb.gcc@gmail.com>
742 * reload1.c (gen_reload): Call mark_jump_label on the new insns
743 generated by gen_move_insn to add REG_LABEL notes if necessary.
745 2006-06-22 Bob Wilson <bob.wilson@acm.org>
747 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
748 (leaf_entry): Remove use of MIN_ESA.
750 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
752 PR rtl-optimization/28121
753 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
756 2006-06-21 DJ Delorie <dj@redhat.com>
758 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
760 (mulhisi3_r): Likewise.
762 2006-06-21 Richard Sandiford <richard@codesourcery.com>
765 * coverage.c (coverage_counter_alloc): Leave the index type
767 (coverage_counter_alloc): Use null arguments for operands 2 and 3
770 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
772 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
773 section from the "Options for Code Generation Conventions".
775 2006-06-21 Richard Henderson <rth@redhat.com>
779 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
781 (global_symbolic_operand): Allow weak symbols, even if local_p.
783 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
785 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
786 (find_interesting_uses_address): Punt if above function returns true.
788 2006-06-21 Richard Guenther <rguenther@suse.de>
790 * configure: Regenerated.
792 2006-06-21 Joseph Myers <joseph@codesourcery.com>
794 * config/mips/mips.c (function_arg): Where one part of a
795 complex argument is in registers and the other part in the stack,
796 return a REG not a PARALLEL.
798 2006-06-21 Mark Mitchell <mark@codesourcery.com>
800 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
801 when cross-compiling. Do not substitute libstdcxx_incdir.
802 * configure: Regenerated.
804 2006-06-21 Jakub Jelinek <jakub@redhat.com>
806 * varasm.c (mergeable_string_section): Check for embedded NULs and
807 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
808 rather than TREE_STRING_LENGTH bytes.
810 2006-06-21 Richard Guenther <rguenther@suse.de>
812 * ggc-page.c (extra_order_size_table): Add var_ann_d,
813 tree_ssa_name, bitmap_element and phi_node with 4 arguments
816 2006-06-21 Richrad Guenther <rguenther@suse.de>
818 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
819 Limit iteration over the dominators.
821 2006-06-20 Roger Sayle <roger@eyesopen.com>
823 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
824 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
826 2006-06-20 Richard Guenther <rguenther@suse.de>
827 Michael Matz <matz@suse.de>
829 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
831 * alloc-pool.c (free_alloc_pool_if_empty): New function.
832 * et-forest.h (et_free_pools): Prototype new function.
833 * et-forest.c (et_free_tree_force): Free parent occurrence.
834 (et_free_pools): New function.
835 * dominance.c (free_dominance_info): Free et-forest alloc
838 2006-06-20 Roger Sayle <roger@eyesopen.com>
840 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
841 integer modes, attempt to directly construct an integer constant.
843 * fold-const.c (native_encode_vector): Determine the size of each
844 element from the vector type instead of the first vector element.
846 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
847 if all of its elements/components are constant.
848 (build_constructor_from_list): Likewise.
850 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
852 PR tree-optimization/27331
853 * tree-data-ref.c (free_data_ref): New function.
854 (create_data_ref): Fail if the data reference has unknown access
856 (free_data_refs): Use free_data_ref.
858 2006-06-19 Andrew Pinski <pinskia@gmail.com>
861 * tree-inline.c (setup_one_parameter): Strip useless
862 type conversion before adding it to the IR.
863 (declare_return_variable): Likewise.
865 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
868 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
870 2006-06-19 Mike Stump <mrs@apple.com>
872 * tree.c (variably_modified_type_p): VM arguments don't make the
875 2006-06-19 Richard Guenther <rguenther@suse.de>
877 * tree-ssa-pre.c (try_combine_conversion): Strip useless
878 type conversions after folding.
880 2006-06-19 Richard Guenther <rguenther@suse.de>
882 * ggc-page.c (extra_order_size_tab): Add entries with
883 size of struct function and basic_block.
884 (size_lookup): Extend to cover sizes up to 511.
885 (ggc_alloc_stat): Adjust user.
886 (ggc_pch_count_object): Likewise.
887 (ggc_pch_alloc_object): Likewise.
888 (ggc_pch_write_object): Likewise.
890 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
892 * tree-ssa-loop-niter.c (implies_ge_p): New function.
893 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
896 2006-06-19 Denis Chertykov <denisc@overta.ru>
898 * config/avr/libgcc.S : Correct my wrong previous commit.
900 2006-06-19 Roger Sayle <roger@eyesopen.com>
903 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
904 have stripped a SUBREG from the shift count, so we may need to
905 convert_to_mode back to the type's mode before calling make_tree.
906 Use new_amount instead of amount to avoid expanding a tree twice.
908 2006-06-19 Richard Guenther <rguenther@suse.de>
911 * fold-const.c (operand_equal_p): Check if the argument types
912 have the same precision before stripping NOPs.
914 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
916 Fix PR tree-optimization/27341
917 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
919 * tree-complex.c (pass_lower_complex): Update SMT usage.
921 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
923 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
924 Add a new alternative to the constraint strings. Add move of
925 operand 1 to 3 to the splitter definition.
926 ("doloop_si_long"): Second contraint alternative removed.
928 2006-06-08 Anatoly Sokolov <aesok@post.ru>
930 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
931 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
933 (AVR_HAVE_MOVW) Define.
934 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
935 (ASM_SPEC): Add avr25.
936 (LINK_SPEC): Add avr25.
937 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
938 (base_arch_s): Add new member 'have_movw_lpmx'.
939 (avr_arch_types): Init 'have_movw_lpmx'.
940 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
941 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
942 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
943 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
944 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
946 (avr_file_start): Do not output '.arh' derective.
947 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
948 (__do_copy_data): Use __AVR_HAVE_LPMX__.
949 * config/avr/avr.md (mcu_enhanced): Delete.
950 (mcu_have_movw): Define.
951 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
952 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
953 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
954 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
955 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
956 attiny861 and at86rf401 devices.
958 2006-06-18 Jie Zhang <jie.zhang@analog.com>
960 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
963 2006-06-17 Karl Berry <karl@gnu.org>
965 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
966 doc/gccint.texi, doc/install.texi (@dircategory): Use
967 "Software development" instead of "Programming", following
968 the Free Software Directory.
970 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
972 * config/i386/i386.c (legitimate_tls_address)
973 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
974 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
975 (*tls_dynamic_gnu2_combine_64): Likewise.
977 2006-06-16 Richard Guenther <rguenther@suse.de>
980 * fold-const.c (negate_expr_p): Do not introduce undefined
981 overflow in negating INTEGER_CSTs.
982 (fold_negate_expr): Rename from negate_expr. Revert last
983 change for folding BIT_NOT_EXPR. Change semantics to
984 return NULL_TREE for non-simplified negations. Do not
985 strip type conversions and unify type handling.
986 (negate_expr): New function, wrap around fold_negate_expr
987 but ensure building a tree always. Strip type conversions
988 here, fold to result type.
989 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
991 2006-06-16 Roger Sayle <roger@eyesopen.com>
994 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
995 that (would) return their results in stack registers.
997 2006-06-16 Michael Matz <matz@suse.de>
998 Richard Guenther <rguenther@suse.de>
1000 * fold-const.c (fold_truthop): Only return new tree node if
1001 we canonicalized something.
1003 2006-06-16 Richard Guenther <rguenther@suse.de>
1005 * function.h (enum function_frequency): Move declaration
1006 out of struct function.
1007 (struct function): Move bool fields and the enum to the bitfield
1008 section. Reorder elements to avoid padding. Remove unused
1009 fields left over from the RTL inliner removal.
1010 * function.c (free_after_compilation): Do not zero removed fields.
1011 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1012 (ipa-type-escape.o): Likewise.
1014 2006-06-16 Richard Guenther <rguenther@suse.de>
1016 * cgraph.h (struct cgraph_local_info): Turn bool elements
1018 (struct cgraph_node): Likewise.
1019 (struct cgraph_varpool_node): Likewise.
1021 2006-06-15 Richard Guenther <rguenther@suse.de>
1023 * fold-const.c (fold_truth_not_expr): Rename from
1024 invert_truthvalue. Give it fold_* semantics to avoid
1026 (invert_truthvalue): New function. Wrapper around
1027 fold_truth_not_expr.
1028 (optimize_minmax_comparison): Avoid creating garbage.
1029 (fold_unary): Use fold_truth_not_expr for folding
1031 (fold_ternary): Replace uses of invert_truthvalue with
1032 fold_truth_not_expr where applicable.
1033 * tree.h (fold_truth_not_expr): Prototype.
1035 2006-06-16 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/27781
1038 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1039 * ipa-pure-const.c (target.h): Include.
1040 (analyze_function): Do not analyze functions that do not
1043 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1046 * tree-dfa.c (referenced_vars_dup_list): Remove.
1047 (find_referenced_vars): Remove assert.
1048 (referenced_var_check_and_insert): Replace dup list with assert.
1049 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1050 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1052 2006-06-15 Richard Guenther <rguenther@suse.de>
1054 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1055 extra unused identifiers if not dumping.
1056 (create_variable_info_for): Likewise.
1058 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1060 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1061 (derive_constant_upper_bound): Derive more precise upper bound in
1062 common cases. Return type changed to double_int.
1063 (record_estimate): Reflect the changed return type of
1064 derive_constant_upper_bound.
1065 * double-int.c (double_int_zext, double_int_sext): Fix.
1067 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1069 * configure.ac (CFLAGS): Get them from the toplevel or from the
1070 configure invocation.
1071 * configure: Regenerate.
1072 * Makefile.in (CFLAGS): Substitute value provided by configure.
1074 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1077 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1078 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1079 rather than calling add_stmt on it.
1080 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1082 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1085 * reload1.c (reload): Remove registers returned by update_eliminables
1086 from used_spill_regs.
1088 2006-06-13 DJ Delorie <dj@redhat.com>
1090 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1092 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1094 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1095 html__strip_dir, html__mkdir_p. Enhance install-html target.
1096 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1097 * configure: Regenerate.
1099 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1101 * fold-const.c (fold_cond_expr_with_comparison): Check for
1102 Objective-C++ as language in deciding COND_EXPR transformation.
1104 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1107 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1108 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1109 * config/sh/lib1funcs.h (SL, SL1): Define.
1110 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1111 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1112 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1113 (OBJS_Os_4_200): New variable.
1114 ($(T)libgcc-Os-4-200.a): Use it.
1115 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1116 when dividing 1 and/or by 0.
1118 2006-06-13 Roger Sayle <roger@eyesopen.com>
1120 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1121 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1122 * configure: Regenerate.
1124 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1126 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1127 for real instruction.
1129 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1132 * haifa-sched.c (check_cfg): Handle special case.
1134 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1137 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1138 Add debug_info parameter. Chain the vars to the BLOCK instead
1139 of the BIND_EXPR if debug info are requested for them.
1140 (pop_gimplify_context): Adjust for above change.
1141 (gimple_add_tmp_var): Likewise.
1142 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1144 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1145 (convert_local_reference): Likewise.
1146 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1147 (finalize_nesting_tree_1): Request that debug info be emitted
1148 for debug_var_chain.
1150 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1152 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1153 for PR target/27863.
1155 2006-06-13 Richard Guenther <rguenther@suse.de>
1158 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1160 2006-06-13 Richard Guenther <rguenther@suse.de>
1162 PR tree-optimization/27830
1163 * tree-inline.c (copy_body_r): For copying the operand
1164 of an ADDR_EXPR make sure to fold &* afterwards.
1166 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1168 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1169 lvalues in the fb_none case with side-effects.
1171 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1173 * tree-flow.h: Remove the prototype for
1174 compute_phi_arg_on_exit.
1175 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1176 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1179 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1181 * builtins.c (expand_builtin_return_addr): Only use
1182 frame_pointer_rtx when count == 0 and we are expanding
1183 __builtin_return_address.
1185 2006-06-12 Fred Fish <fnf@specifix.com>
1187 * config/mips/mips.c (mips_file_start): Create special section
1188 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1190 2006-06-11 Eric Christopher <echristo@apple.com>
1193 * stor-layout.c (place_field): Remove check for
1194 remaining_in_alignment when aligning at the end of a run.
1196 2006-06-11 Eric Christopher <echristo@apple.com>
1199 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1202 2006-06-11 Roger Sayle <roger@eyesopen.com>
1205 Revert incorrect fix for PR target/27158
1206 2006-05-08 Roger Sayle <roger@eyesopen.com>
1207 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1208 of a reg_equiv_constant if the result is a legitimate constant.
1210 2006-06-11 Roger Sayle <roger@eyesopen.com>
1213 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1214 extract a CONST_VECTOR element and interpret it as an integer.
1215 (vspltis_constant): Use const_vector_elt_as_int instead of the
1216 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1217 * config/rs6000/predicates.md (easy_vector_const): Consider
1218 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1220 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1223 * stor-layout.c (update_alignment_for_field): Don't add extra
1224 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1227 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1229 * config/mips/t-rtems: Add EL/EB multilib variants.
1231 2006-06-09 Mike Stump <mrs@apple.com>
1233 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1235 2006-06-09 David Daney <ddaney@avtrex.com>
1237 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1239 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1241 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1243 2006-06-09 Richard Guenther <rguenther@suse.de>
1245 PR tree-optimization/26998
1246 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1247 of signed types, only TYPE_MIN_VALUE is special, but for both,
1248 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1249 in this case, as is -fwrapv.
1251 2006-06-08 Mike Stump <mrs@apple.com>
1254 * config/darwin.c (darwin_asm_output_anchor): Disable
1255 -fsection-anchors on darwin for now.
1256 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1257 * rs6000/rs6000.c (optimization_options): Likewise.
1259 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1262 * config/i386/i386.c (classify_argument): Skip fields with invalid
1265 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1267 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1268 (cse_insn): Likewise for the stack_pointer_rtx.
1270 2006-06-08 Roger Sayle <roger@eyesopen.com>
1272 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1273 conditions from floating point comparisons.
1275 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1278 * expmed.c (struct alg_hash_entry): Fix type of field T
1279 to match synth_mult argument.
1280 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1282 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1285 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1288 2006-06-08 Richard Guenther <rguenther@suse.de>
1291 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1292 only, if overflow is defined and not trapping.
1293 (negate_expr): Likewise.
1295 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1297 PR tree-optimization/27872
1298 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1299 flag on the new exit edge of the unrolled loop.
1301 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1303 PR rtl-optimization/26449
1304 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1306 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1309 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1310 referenced_variables with matching DECL_UID's.
1311 (find_referenced_vars): Make sure duplicate list is empty to start.
1312 (referenced_var_p): Remove.
1313 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1314 Check if var is in the list, and add if needed. Update the duplicate
1315 list if a different var is in the list with the same DECL_UID.
1316 (add_referenced_var): Call routine to check and insert.
1317 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1318 * tree-flow.h (referenced_vars_dup_list): External declaration.
1320 2006-06-07 Fred Fish <fnf@specifix.com>
1322 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1325 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1328 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1329 the imaginary and real parts of a clobbered register.
1330 Emit insn to set the imaginary part.
1332 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1334 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1335 in lieu of unwind-dw2-fde.c.
1337 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1339 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1341 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1344 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1345 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1346 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1347 V4SImode temporaries and operations instead.
1349 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1351 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1354 2006-06-06 Mike Stump <mrs@apple.com>
1356 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1357 installing during build.
1359 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1361 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1363 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1364 * config/ia64/ia64.c (params.h): New header.
1365 (ia64_optimization_options): New function to adjust parameters.
1366 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1367 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1368 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1370 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1372 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1374 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1377 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1379 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1380 Victor Kaplansky <victork@il.ibm.com>
1382 PR tree-optimization/26360
1383 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1386 2006-06-04 Roger Sayle <roger@eyesopen.com>
1387 Andrew Pinski <pinskia@physics.uc.edu>
1390 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1391 for LABEL_DECL before calling DECL_WEAK.
1394 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1395 LABEL_DECL and PARM_DECL.
1397 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1401 * c-decl.c (grokdeclarator): Disallow variably modified types at
1402 file scope. Avoid marking shared array type of constant size as
1405 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1408 * c-common.c (fold_offsetof_1): Handle static members.
1410 2006-06-04 Eric Christopher <echristo@apple.com>
1412 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1413 (debug_rli): Output value for remaining_in_alignment.
1414 (update_alignment_for_field): Unconditionalize
1415 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1416 extra alignment code.
1417 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1418 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1419 * tree.h (record_layout_info_s): Remove prev_packed.
1420 * doc/extend.texi (ms_struct): Add documentation of format.
1422 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1424 * tree.h: Declare folding_initializer.
1425 * builtins.c (fold_builtin_constant_p): Give definite answer
1426 if folding inside an initializer.
1427 * fold-const.c: Define folding_initializer.
1428 (START_FOLD_INIT): Save and then set folding_initializer.
1429 (END_FOLD_INIT): Restore folding_initializer.
1431 2006-06-04 Richard Guenther <rguenther@suse.de>
1433 PR tree-optimization/27039
1434 * fold-const.c (fold_comparison): Handle pointer comparison
1435 again for all comparison codes. Compare offsets in signed
1437 (fold_binary): Move code from here.
1439 2006-06-03 Roger Sayle <roger@eyesopen.com>
1442 * config/i386/i386.c (construct_container): Split static issued_error
1443 flag into issued_sse_arg_error, issued_sse_ret_error and
1444 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1445 requires the use of x87 registers and the user explicitly
1446 specified the -mno-80387 command line option.
1448 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1450 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1451 HAVE_DECL_SIGALTSTACK.
1453 (segv_handler): Use MC_FLD.
1454 * configure.ac: Check for a sigaltstack declaration.
1455 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1456 * configure: Regenerate.
1457 * config.in: Regenerate.
1459 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1462 * Makefile.in (stmp-fixinc): Fix typo.
1464 2006-06-02 Roger Sayle <roger@eyesopen.com>
1466 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1467 are type correct. Clean-up.
1468 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1469 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1471 2006-06-01 DJ Delorie <dj@redhat.com>
1473 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1474 shift, as we've disabled the "switch" insn that needs it.
1476 2006-06-01 Per Bothner <bothner@bothner.com>
1478 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1479 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1480 * c-ppoutput.c (cb_define): Don't increment line 0.
1482 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1484 * doc/invoke.texi: Add cpu_type power6.
1485 * config.gcc: Add cpu_type power6.
1486 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1487 to power5+ with Altivec.
1488 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1489 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1491 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1493 * config/avr/avr.h (SET_ASM_OP): Define.
1495 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1497 * config/bfin/bfin.c: Fix comment typos.
1499 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1502 * doc/install.texi: Document --enable-bootstrap and
1503 --disable-bootstrap.
1505 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1507 * doc/install.texi: Document that InfoZIP can replace jar.
1509 2006-05-31 Roger Sayle <roger@eyesopen.com>
1511 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1512 isn't available, directly generate the simpler x87 patterns without
1513 the (use (const_int 0)).
1514 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1515 implementation isn't available.
1516 (*negdf2_1): Likewise.
1517 (*negxf2_1): XF mode negation is always done using the x87.
1518 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1520 2006-05-31 Roger Sayle <roger@eyesopen.com>
1522 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1523 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1525 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1527 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1529 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1530 * config/bfin/bfin.c (basic-block.h): Include.
1531 (struct machine_function): New.
1532 (bfin_init_machine_status): New.
1533 (override_options): Initialize init_machine_status.
1534 (bfin_hardware_loop): New.
1535 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1536 (DEF_VEC_P (loop_info)): New.
1537 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1538 (struct loop_info): New.
1539 (loop_info): New typedef.
1540 (struct loop_work): New.
1541 (loop_work): New typedef.
1542 (DEF_VEC_O (loop_work)): New.
1543 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1544 (bfin_dump_loops): New.
1545 (bfin_bb_in_loop): New.
1546 (bfin_scan_loop): New.
1547 (bfin_optimize_loop): New.
1548 (bfin_reorg_loops): New.
1549 (bfin_reorg): Use bfin_reorg_loops.
1550 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1552 (I_REGNO_P): Simplify.
1553 (DP_REGNO_P, DPREG_P): New macros.
1554 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1555 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1556 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1557 Add LT_REGS, LC_REGS, LB_REGS.
1558 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1560 (REGNO_REG_CLASS): Deal with loop registers.
1561 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1563 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1564 New constants for loop registers.
1565 (UNSPEC_LSETUP_END): New.
1566 (seq_insns): New define_attr. Set it for appropriate insns.
1567 (movsi_insn): Add alternatives for move from/to
1568 loop count registers.
1569 (doloop_end): New define_expand.
1570 (loop_end): New define_insn.
1571 (define_split for bad doloop_end): New.
1572 (lsetup_with_autoinit): New define_insn.
1573 (lsetup_without_autoinit): New define_insn.
1574 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1575 * config/bfin/predicates.md (lc_register_operand): New.
1576 (lt_register_operand): New.
1577 (lb_register_operand): New.
1578 (nondp_register_operand): New.
1579 (nondp_reg_or_memory_operand): New.
1580 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1582 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1584 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1585 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1587 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1589 * Makefile.in (CATALOGS): Add po/ prefix.
1590 * configure: Regenerated.
1592 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1595 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1596 a shift operand before calling shift_op. Avoid redundant call of
1599 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1600 DJ Delorie <dj@redhat.com>
1602 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1603 we're inserting is a singlt-bit constant.
1605 2006-05-30 Roger Sayle <roger@eyesopen.com>
1607 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1608 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1610 2006-05-30 Roger Sayle <roger@eyesopen.com>
1612 PR tree-optimization/23452
1613 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1614 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1615 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1616 complex values and with -ffast-math for FP complex values.
1618 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1620 * c-common.h: Remove the prototype for yyparse.
1621 * rtl.h: Remove the prototype for init_loop.
1623 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1625 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1628 2006-05-30 Roger Sayle <roger@eyesopen.com>
1630 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1632 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1633 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1635 2006-05-30 Dirk Mueller <dmueller@suse.de>
1638 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1639 for CONSTANT_CLASS_P expresisons.
1641 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1644 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1646 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1648 PR tree-optimization/27779
1649 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1650 initial_condition instead of CHREC_LEFT.
1652 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1654 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1655 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1656 Make prototypes ISO C90.
1658 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1659 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1661 * see.c (see_analyze_one_def): Correct check.
1662 (see_get_extension_data): Check if extension is parallel.
1663 (see_get_extension_reg): Likewise.
1665 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1668 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1669 into register for (code == GTU).
1671 2006-05-29 Roger Sayle <roger@eyesopen.com>
1673 PR tree-optimization/24964
1674 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1675 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1676 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1677 abs(x)*abs(x) as x*x for scalar floating point modes.
1679 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1682 * lambda-code.c (perfect_nestify): Don't copy statements
1683 in the inner loop: move them to the inner loop header.
1685 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1688 * c-tree.texi: Document OpenMP directives and clauses.
1690 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1692 * varasm.c (globalize_decl): Fix indentation.
1694 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1697 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1698 pass_fre, pass_store_ccp, pass_copy_prop,
1699 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1700 pass_return_slot, pass_object_size, pass_lim,
1701 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1702 pass_loop_prefetch and pass_stdarg.
1704 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1706 * config/bfin/bfin.opt (mfdpic): New option.
1707 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1708 (EXTRA_MULTILIB_PARTS): Likewise.
1709 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1710 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1712 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1713 (CRT_CALL_STATIC_FUNCTION): New.
1714 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1716 (CRT_CALL_STATIC_FUNCTION): New.
1717 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1719 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1720 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1721 (initialize_trampoline): Changed to handle FD-PIC code generation.
1722 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1723 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1724 (override_options): Disallow -mid-shared-library -mfdpic combination.
1725 Can't do unaligned ops if FD-PIC.
1726 Turn off flag_pic if trying to generate non-id-shared-library
1727 non-fdpic code, since it's not supported.
1728 (bfin_assemble_integer): New function.
1729 (TARGET_ASM_INTEGER): Define.
1730 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1732 * config/bfin/crtn.s: Restore them.
1733 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1735 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1736 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1737 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1738 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1739 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1741 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1742 FDPIC_REGS and FDPIC_FPTR_REGS.
1743 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1744 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1745 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1746 (load_funcdescsi): New pattern.
1747 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1748 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1749 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1751 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1753 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1756 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1758 * tree-flow.h: Remove the prototype for add_type_alias.
1759 * tree-ssa-alias.c (add_type_alias): Remove.
1761 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1763 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1764 config/fr30/fr30.md, config/i386/i386-interix.h,
1765 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1766 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1767 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1768 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1769 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1770 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1771 Follow spelling conventions.
1772 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1773 Follow spelling conventions.
1775 2006-05-27 Richard Guenther <rguenther@suse.de>
1778 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1779 to produce a constant of value 1 of generic type.
1781 2006-05-27 Dirk Mueller <dmueller@suse.de>
1783 * cgraphunit.c (decide_is_function_needed): Fix wrong
1786 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1788 PR rtl-optimization/27661
1789 * reload.c (find_reloads): When reloading a VOIDmode constant
1790 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1791 use Pmode as mode of the reload register.
1793 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1795 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1796 is enabled at -O and above.
1798 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1801 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1804 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1807 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1808 for anonymous variables explicitly declared by front ends.
1810 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1812 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1813 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1814 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1815 ref-all pointers, run a finalization pass for them.
1816 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1817 (finalize_ref_all_pointers): New function.
1818 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1819 regular pointer type to a ref-all pointer type.
1820 (get_tmt_for): Return the special memory tag for ref-all pointers.
1822 2006-05-25 Richard Guenther <rguenther@suse.de>
1825 * fold-const.c (fold_binary): Do not look at the stripped
1826 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1828 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1830 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1831 for LT and GT if the computed range is effectively empty.
1833 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1836 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1837 mips_quad_format formats instead of ieee_single_format,
1838 ieee_double_format and ieee_quad_format formats, respectively.
1840 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1842 PR tree-optimization/27639
1843 PR tree-optimization/26719
1844 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1845 call to scev_probably_wraps_p.
1846 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1847 used_in_pointer_arithmetic_p, convert_step): Removed.
1848 (nowrap_type_p): New function.
1849 (scev_probably_wraps_p): Rewritten.
1850 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1851 chrec_convert if chrec_convert_aggressive might have been used.
1852 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1853 scev_direction): New functions.
1854 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1855 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1856 instead of convert_step.
1857 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1858 (convert_step): Declaration removed.
1859 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1861 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1863 * df-core.c: Added to header comments.
1864 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1865 df_ur_bb_info, df_urec_bb_info): Added comments.
1866 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1867 urec, ri problems): Fixed header comments.
1868 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1869 code from df_rd_transfer_function.
1871 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1873 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1874 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1875 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1877 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1879 * expr.c (undefined_operand_subword_p): New.
1880 (emit_move_multi_word): Do not generate move from undefined bits
1881 of a paradoxical subreg.
1883 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1885 PR rtl-optimization/27736
1886 * combine.c (replaced_rhs_value): New variable.
1887 (combine_instructions): Set it.
1888 (distribute_notes): When distributing a note in replaced_rhs_insn,
1889 check whether the value was used in replaced_rhs_value.
1891 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1894 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1895 add_referenced_var instead of add_referenced_tmp_var.
1896 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1897 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1899 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1900 tree_optimize_tail_calls_1): Use add_referenced_var.
1901 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1902 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1903 Use add_referenced_var.
1904 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1905 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1906 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1907 Use add_referenced_var.
1908 * tree-dfa.c (struct walk_state): Remove.
1909 (find_referenced_vars): Remove walk state and vars_found hash table.
1910 (make_rename_temp): Use add_referenced_var.
1911 (find_vars_r): Pass less parameters to add_referenced_var.
1912 (referenced_var_p): New. Is var in referenced_var hash table.
1913 (referenced_var_insert): Assert var isn't already in hash table.
1914 (add_referenced_var): Don't need walk_state parameter. Add var if it
1915 isn't already in the hash table.
1916 (add_referenced_tmp_var): Remove.
1917 (find_new_referenced_vars_1): Use add_referenced_var.
1918 * tree-ssa-pre.c (create_expression_by_pieces,
1919 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1920 Use add_referenced_var.
1921 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1922 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1923 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1925 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1926 vect_create_data_ref_ptr, vect_create_destination_var,
1927 vect_init_vector, vect_build_loop_niters,
1928 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1929 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1930 Use add_referenced_var.
1931 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1932 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1933 (add_referenced_var): Add prototype.
1934 * tree-ssa-structalias.c (get_constraint_for,
1935 intra_create_variable_infos): Use add_referenced_var.
1937 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1939 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1940 big-endian paradoxical subregs.
1941 * var-tracking.c (struct micro_operation_def): Document that,
1942 for modify micro operations, insn is the subsequent instruction.
1943 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1944 (var_reg_set, var_mem_set): ... new functions.
1945 (add_stores): Record subsequent insn.
1946 (compute_bb_dataflow): Use new functions for MO_USE.
1947 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1948 notes after the insn, and modify notes before the insn known
1949 to be the subsequent one.
1950 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1952 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1955 * config/i386/i386.c (ix86_expand_builtin): Use
1956 gen_sse3_monitor64 for TARGET_64BIT.
1958 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1960 PR rtl-optimization/26375
1961 PR rtl-optimization/26855
1962 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1964 (df_ru_bb_local_compute): Reversed statements and removed bogus
1965 comment explaining why they should be in wrong order.
1966 (df_ru_dump, df_rd_dump): Enhanced debug info.
1967 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1969 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1970 reaching uses and fixed space problem.
1972 2006-05-23 Jan Hubicka <jh@suse.cz>
1974 * cgraphunit.c (decide_is_function_needed): Also nested functions
1975 and functions declared inline can be optimized out at -O0.
1977 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1979 * doc/install.texi (Configuration): Remove reference to CrossGCC
1983 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1986 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1987 ix86_compare_emitted is non-NULL.
1989 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1992 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1995 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1997 PR rtl-optimization/25514
1998 * combine.c (replaced_rhs_insn): New variable.
1999 (combine_instructions): Set replaced_rhs_insn when trying to replace
2000 a SET_SRC with a REG_EQUAL note.
2001 (distribute_notes): Use replaced_rhs_insn when determining the live
2002 range of a REG_DEAD register.
2004 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2005 Anatoly Sokolov <aesok@post.ru>
2007 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2008 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2009 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2010 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2011 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2012 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2013 at90usb647, at90usb1286 and at90usb1287 devices.
2014 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2015 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2017 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2019 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2021 2006-05-22 Richard Guenther <rguenther@suse.de>
2024 2006-01-31 Richard Guenther <rguenther@suse.de>
2025 Paolo Bonzini <bonzini@gnu.org>
2027 * doc/install.texi (--disable-libgcc-math): Document.
2029 2006-05-22 Richard Guenther <rguenther@suse.de>
2032 2006-01-31 Richard Guenther <rguenther@suse.de>
2034 * doc/invoke.texi (-msselibm): Document.
2035 * target.h (expand_library_builtin): New target hook.
2036 * builtins.c (expand_builtin): Use expand_library_builtin.
2037 (default_expand_library_builtin): New function.
2038 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2039 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2040 (link_gcc_math_spec): Declare.
2041 (static_specs): Add link_gcc_math_spec.
2042 * expr.h (default_expand_library_builtin): Declare.
2043 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2044 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2045 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2046 * config/i386/i386.opt (msselibm): New target option.
2047 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2048 (ix86_init_sse_abi_builtins): New function.
2049 (ix86_expand_library_builtin): Likewise.
2050 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2051 (override_options): Handle error conditions wrt -msselibm.
2052 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2053 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2054 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2057 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2060 * c-common.c (self_promoting_args_p): Skip erroneous args.
2063 * c-decl.c (finish_struct): Skip erroneous fields.
2065 2006-05-22 Nick Clifton <nickc@redhat.com>
2067 * config/cris/cris.opt (march): Remove VarExists attribute.
2068 (max-stackframe=): Likewise.
2070 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2072 * doc/rtl.texi: Fix a typo.
2073 * see.c: Fix comment typos.
2075 * tree-ssa-structalias.h (alias_info): Remove num_references.
2077 2006-05-21 Mike Stump <mrs@apple.com>
2079 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2081 (darwin_pragma_options): Use BAD instead.
2082 (darwin_pragma_unused): Likewise.
2083 (darwin_pragma_ms_struct): Likewise.
2085 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2087 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2089 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2091 PR rtl-optimization/27671
2092 * simplify-rtx.c (simplify_relational_operation_1): Fix
2093 simplifications of (eq/ne (xor x y) y) and
2094 (eq/ne (xor x y) x).
2096 PR tree-optimization/26622.
2097 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2100 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2102 * tree-cfg.c: Prune whitespace.
2103 (debug_tree_cfg): Point to correct header containing the
2106 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2109 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2111 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2114 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2115 or sorry count is non zero.
2117 2006-05-20 Andreas Schwab <schwab@suse.de>
2119 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2121 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2122 Kenneth Zadeck <zadeck@naturalbridge.com>
2124 PR rtl-optimization/26855
2126 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2128 (df_scan_alloc): Added code to properly handle multiword hard
2129 registers and add all_blocks parameter.
2130 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2131 code to properly handle multiword hard registers.
2132 (df_rescan_blocks): Added code to remove deleted blocks from
2134 (df_ref_create_structure, df_ref_record): Added code to properly
2136 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2137 and set DF_REF_PARTIAL.
2138 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2139 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2140 (df_scan_add_problem): Added flags parameter.
2141 (df_ref_create_structure): Changed switching structure.
2142 (df_bb_refs_record): Fixed case where duplicate artificial refs
2143 were created. Changed location of flags.
2144 (df_record_entry_block_defs): Added code to make stack pointer
2145 live in entry block. Refined cases where frame pointer is needed.
2146 Changed location of flags.
2147 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2148 (df_set_state): Removed function.
2149 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2150 df_insn_create_insn_record, df_insn_refs_delete,
2151 df_ref_create_structure): Formatting changes.
2152 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2153 df_delete_basic_block): New function.
2154 (df_init): Changed location of flags.
2155 (df_add_problem): Added flags parameter and the way flags are
2157 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2158 debug_df_chain): Improved debugging output.
2159 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2160 (df_refs_chain_dump): Removed df parameter.
2161 (df_iterative_dataflow): Added consistency check.
2162 (df_prune_to_subcfg): Made public.
2163 (df_analyze_problem): Added blocks_to_init parameter and made
2165 (df_ref_record, df_bb_refs_record, df_mark_reg,
2166 df_record_exit_block_uses): Whitespace changes.
2167 (df_dump): Whitespace changes.
2168 * df.h: Some reordering to remove forward references.
2169 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2170 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2171 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2172 (dataflow.flags): New field.
2173 (df.flag): Deleted field.
2174 (df_alloc_function): Added additional bitmap parameter.
2175 (df_dependent_problem_function): New type.
2176 (df_problem.changeable_flags): New field.
2177 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2178 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2179 (df_mw_hardreg): New struct.
2180 (DF_INSN_UID_MWS): New macro.
2181 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2183 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2184 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2185 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2186 (df_set_state): Removed function.
2187 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2188 * df-problems.c (df_chain_dump): Removed df parameter.
2189 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2190 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2192 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2193 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2194 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2195 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2196 DF_REF_MUST_CLOBBER cases.
2197 (df_ru_bb_local_compute_process_def,
2198 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2199 df_lr_bb_local_compute, df_ur_bb_local_compute,
2200 df_chain_create_bb): Made subreg aware.
2201 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2202 df_lr_bb_local_compute, df_lr_bb_local_compute,
2203 df_chain_create_bb): Cleanup to use proper macros.
2204 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2205 code to fixup bitvectors.
2206 (df_ri_alloc): Cleared lifetime.
2207 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2208 df_create_unused_note): New function.
2209 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2210 REG_DEAD and REG_UNUSED notes as well as register information.
2211 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2212 df_chains_dump): Fixed crash if problem was never run.
2213 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2214 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2215 df_ri_add_problem): Processes flags in uniform manner.
2216 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2217 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2218 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2219 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2220 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2221 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2222 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2223 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2224 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2225 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2226 * see.c (see_initialize_data): Ditto.
2227 * final.c (rest_of_clean_state) Added regstack_completed.
2228 * rtl.h (regstack_completed): Ditto.
2229 * reg-stack.c (regstack_completed): Ditto.
2231 2006-05-19 Mike Stump <mrs@apple.com>
2233 * c-tree.h (default_conversion): Remove.
2234 * c-common.h (default_conversion): Add.
2236 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2238 * tree-vrp.c (valid_value_p): New function.
2239 (adjust_range_with_scev): Fail if the value of bound is not
2242 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2244 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2245 (mips_fallback_frame_state): Use syscall numbers to determine
2246 the appropriate li instruction for the current ABI. Only use
2247 __NR_sigreturn for o32.
2249 2006-05-19 Nicolas Setton <setton@adacore.com>
2251 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2252 * langhooks.c (lhd_dwarf_name): New function.
2253 * langhooks-def.h (lhd_dwarf_name): Declare.
2254 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2255 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2256 * ada/misc.c (gnat_dwarf_name): New function.
2257 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2259 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2261 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2263 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2264 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2265 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2266 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2267 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2268 determine the size of Wtype, etc.
2269 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2270 (swfloatfuncs): New variable.
2271 (dwfloatfuncs): Likewise.
2272 (lib2funcs): Remove floating-point conversion functions from
2273 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2274 the set of conversion routines needed. Allow entries to specify
2275 an object name, filename and word size. Update users accordingly.
2276 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2277 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2281 2006-02-08 Roger Sayle <roger@eyesopen.com>
2284 * config/fixtfdi.c: New libgcc source file.
2285 * config/fixunstfdi.c: New source file.
2286 * config/floatditf.c: New source file.
2287 * config/floatunditf.c: New souce file.
2288 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2289 files above instead of config/mips/_tilib.c.
2290 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2292 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2294 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2295 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2297 2006-05-18 Mike Stump <mrs@apple.com>
2299 Fix up vla, vm and [*] sematics.
2305 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2306 (c_vla_unspec_p): Add.
2307 (c_vla_type_p): Add.
2308 * c-decl.c (struct c_scope): Add had_vla_unspec.
2309 (build_array_declarator): Add support for [*].
2310 (grokdeclarator): Likewise.
2311 (grokparms): Likewise.
2312 (get_parm_info): Likewise.
2313 * c-objc-common.c (c_vla_unspec_p): Likewise.
2314 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2315 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2316 typeof when argument is a variably modified type not inside sizeof or alignof.
2317 (c_parser_direct_declarator_inner): Propagate errors.
2318 (c_parser_sizeof_expression): Add support for [*].
2319 (c_parser_parms_declarator): Initialize had_vla_unspec.
2320 (c_parser_parms_list_declarator): Likewise.
2321 * c-typeck.c (c_vla_type_p): Add.
2322 (composite_type): Add support for vla compositing.
2323 (comptypes_internal): Add support for vla compatibility.
2324 (c_expr_sizeof_expr): Evaluate vla arguments.
2325 * tree.c (variably_modified_type_p): Update comment for [*].
2327 2006-05-18 Michael Matz <matz@suse.de>
2330 * config.host: Make assignments to host_xmake_file cumulative.
2331 * config.host (*-darwin*): Test $host, not $target.
2333 2006-05-12 Stuart Hastings <stuart@apple.com>
2335 * config/i386/i386.opt (-mstackrealign): New flag.
2336 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2337 (ix86_handle_cconv_attribute): Emit error when
2338 force_align_arg_pointer attribute collides with too many regparms.
2339 (ix86_function_regparm): Limit regparms when used with
2340 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2341 Support stack-realigning prologue in non-main functions. Emit
2342 warning for nested functions under -mstackrealign, emit error for
2343 nested functions with force_align_arg_pointer attribute.
2344 * doc/extend.texi (force_align_arg_pointer): Document it.
2345 * doc/invoke.texi (-mstackrealign): Document it.
2347 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2349 PR rtl-optimization/27477
2350 * combine.c (try_combine): Don't split a parallel consisting
2351 of two sets into two individual sets if both sets reference
2354 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2356 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2357 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2359 * doc/options.texi (VarExists): Updated.
2361 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2363 * unwind-dw2.c: Add declarations for uw_update_context and
2365 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2366 detected, advance frame state and context once to skip over stub.
2368 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2372 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2373 Call rewrite_into_loop_closed_ssa only when something changed.
2374 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2375 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2376 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2377 Test for perfect_nest_p here. Fix formating.
2378 (replace_uses_equiv_to_x_with_y): Fix formating.
2379 (stmt_uses_op): Removed.
2380 (can_convert_to_perfect_nest): Removed loopivs parameter.
2381 Complete the test by checking the scalar dependences.
2382 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2385 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2388 From Dan Kegel <dank@kegel.com>:
2389 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2391 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2393 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2394 if the element type is variably modified without recursing.
2396 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2399 * tree-loop-linear.c (try_interchange_loops): Test for
2400 no data dependences.
2402 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2404 PR tree-optimization/27548
2405 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2406 range of ssa names that appear on abnormal edges.
2407 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2408 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2410 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2413 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2415 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2418 * tree.h (OMP_PARALLEL_COMBINED): Define.
2419 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2420 (new_omp_context): Add is_combined_parallel argument.
2421 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2422 new_omp_context caller.
2423 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2424 Adjust gimplify_scan_omp_clauses callers.
2425 (omp_is_private): Issue errors if iteration variable is firstprivate
2426 or reduction in the current context.
2427 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2428 on combined parallel workshare constructs.
2430 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2432 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2433 (gcc-options.o): New rule.
2435 * optc-gen.awk: Protect variables for gcc-options.o with
2436 #ifdef GCC_DRIVER/#endif.
2438 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2440 Fix PR tree-optimization/27373
2441 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2442 (forward_propagate_addr_expr): Update call.
2444 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2446 * doc/options.texi: Move the Negative option.
2448 2006-05-16 Richard Guenther <rguenther@suse.de>
2450 PR tree-optimization/22303
2451 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2453 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2454 ccp_fold did not simplify the statement.
2456 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2459 * Makefile.in (GCC_OBJS): New.
2460 (OBJS-common): Add opts-common.o.
2461 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2462 (cpp$(exeext)): Likewise.
2463 (gcc.o): Also depend on opts.h.
2464 (opts-common.o): New.
2466 * common.opt (gcoff): Add Negative(gdwarf-2).
2467 (gdwarf-2): Add Negative(gstabs).
2468 (gstabs): Add Negative(gstabs+).
2469 (gstabs+): Add Negative(gvms).
2470 (gvms): Add Negative(gxcoff).
2471 (gxcoff): Add Negative(gxcoff+).
2472 (gxcoff+): Add Negative(gcoff).
2473 * config/i386/i386.opt (m32): Add Negative(m64).
2474 (m64): Add Negative(m32).
2476 * doc/options.texi: Document the Negative option.
2478 * gcc.c: Include "opts.h".
2479 (main): Call prune_options after expandargv.
2481 * optc-gen.awk: Generate common declarations for all flag
2482 variables in options.c. Output the neg_index field.
2484 * opts.c (find_opt): Moved to ...
2485 * opts-common.c: Here. New file.
2487 * opts.h (cl_option): Add a neg_index field.
2489 (prune_options): Likewise.
2491 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2494 * omp-low.c (expand_omp_parallel): Don't assert
2495 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2496 instead search for it.
2499 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2502 2006-05-16 Andreas Schwab <schwab@suse.de>
2504 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2507 2006-05-15 Roger Sayle <roger@eyesopen.com>
2510 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2511 integer constants other than zero are only legitimate on TARGET_64BIT.
2512 <CONST_VECTOR> Only zero vectors are legitimate.
2513 (ix86_cannot_force_const_mem): Integral and vector constants can
2514 always be put in the constant pool.
2516 2006-05-16 DJ Delorie <dj@redhat.com>
2518 * crtstuff.c (__dso_handle): Set section from
2519 TARGET_LBIGCC_SDATA_SECTION if defined.
2520 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2521 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2523 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2526 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2529 2006-05-16 Ben Elliston <bje@au.ibm.com>
2531 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2533 2006-05-15 Per Bothner <per@bothner.com>
2535 * tree.c: (last_annotated_node): Use source_locus typedef.
2536 This permits bootstrapping with --enable-mapped-location.
2538 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2540 PR tree-optimization/26830
2541 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2542 (info_for_ssa_name, current_info_for_ssa_name_age,
2543 blocks_to_update): New variables.
2544 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2545 (clear_ssa_name_info, initialize_flags_in_bb,
2546 mark_block_for_update): New functions.
2547 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2548 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2549 prepare_def_site_for): Use mark_block_for_update.
2550 (mark_def_interesting): Assert that the processed block is marked in
2551 blocks_to_update. Do not take blocks argument.
2552 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2554 (rewrite_update_init_block, rewrite_update_stmt): Only process
2555 blocks with statements to rewrite.
2556 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2557 (update_ssa): Initialize and free blocks_to_update. Do not
2558 clear flags on statements. Do not use blocks bitmap.
2559 * tree.h (SSA_NAME_AUX): Removed.
2560 (struct tree_ssa_name): Removed aux field.
2561 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2563 2006-05-15 Richard Guenther <rguenther@suse.de>
2565 PR tree-optimization/27603
2566 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2567 Do computations in original type.
2569 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2571 * see.c: Code style changes such as redundant paranthesis,
2572 redundant intialization of local variables etc.
2573 (see_main): Declared now as static.
2574 * doc/invoke.texi: Update that -fsee is not enabled by
2577 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2579 * omp-low.c (check_omp_nesting_restrictions): New function.
2580 (scan_omp_1): Call it.
2583 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2584 construct, return *VAR.
2586 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2588 PR rtl-optimization/27406
2589 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2592 2006-05-14 Roger Sayle <roger@eyesopen.com>
2594 PR rtl-optimization/27538
2595 * combine.c (expand_compound_operation): Call gen_lowpart
2596 before calling simplify_shift_const.
2598 2006-05-14 Roger Sayle <roger@eyesopen.com>
2600 PR rtl-optimization/22563
2601 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2602 a fixed width bitfield, always force the intermediates into psuedos.
2604 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2607 * mkconfig.sh: Use operator = instead of == for test.
2609 2006-05-13 Nick Clifton <nickc@redhat.com>
2611 * dwarf2out.c (dbx_reg_number): Check return value from
2612 LEAF_REG_REMAP and only use it if it is valid.
2613 (multiple_reg_loc_descriptor): Likewise.
2615 2006-05-13 Richard Guenther <rguenther@suse.de>
2617 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2620 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2622 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2623 information attached to non-INSNs such as NOTEs.
2624 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2626 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2628 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2630 * config/s390/s390.md: Adjust comment describing On constraint.
2632 2006-05-11 Jan Hubicka <jh@suse.cz>
2634 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2635 to be output at -O0.
2637 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2640 * fold-const.c (size_binop): Move sanity check for arguments to
2641 the beginning of the function.
2644 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2647 2006-05-11 Richard Guenther <rguenther@suse.de>
2650 * fold-const.c (fold_unary): Handle intermediate conversion
2651 to a pointer type like intermediate conversion to an integer
2652 type in folding of (T1)(T2)var to var.
2653 Match the code to the comment in the final conversion for
2654 (T1)(T2)var to (T1)var regarding to type precision. Rather
2655 than disallow T1 being of pointer type, assert that both T1
2656 and var are of pointer type or not. Make sure not to fall
2657 over the frontends lazyness wrt array to pointer decay though.
2659 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2661 * arm.c (arm_struct_value_rtx): Delete.
2662 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2663 (arm_init_cumulative_args): Always initialize nregs to zero.
2665 2006-05-10 Richard Guenther <rguenther@suse.de>
2667 PR tree-optimization/27532
2668 * tree-object-size.c (plus_expr_object_size): Fix typo.
2670 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2673 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2674 ashrdi_const, ashrdi3): Use a scratch register.
2676 2006-05-10 Richard Guenther <rguenther@suse.de>
2678 PR tree-optimization/27302
2679 * fold-const.c (operand_equal_p): For two comparisons,
2680 try comparison of one comparison code swapped if that yields
2683 2006-05-10 Ben Elliston <bje@au.ibm.com>
2685 * tree-pretty-print.c (pretty_print_string): No need to handle
2686 '\0' as a special character.
2688 * tree.h: Include "hashtab.h".
2689 (iterative_hash_expr): Use hashval_t in its prototype.
2690 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2692 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2695 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2696 (hppa*64*-*-hpux11*): Ditto.
2697 (hppa[12]*-*-hpux11*): Ditto.
2699 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2702 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2704 2006-05-09 Michael Matz <matz@suse.de>
2706 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2707 host_extra_gcc_objs and host_xmake_file.
2708 (<*-*-linux*>): Don't overwrite host_xmake_file.
2709 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2710 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2711 (host_detect_local_cpu): Declare.
2712 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2713 * config/i386/i386.c (override_options): Handle -mtune=native
2715 * config/i386/x-i386: New file.
2716 * config/i386/driver-i386.c: New file.
2717 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2720 2006-05-09 Dirk Mueller <dmueller@suse.de>
2721 Richard Guenther <rguenther@suse.de>
2724 * fold-const.c (fold_read_from_constant_string): Relax check
2725 for matching types to matching modes.
2727 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2729 PR rtl-optimization/27335
2730 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2733 2006-05-08 Chao-ying Fu <fu@mips.com>
2734 Richard Sandiford <richard@codesourcery.com>
2736 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2737 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2738 * config/mips/mips.md (UNSPEC_SCC): New constant.
2739 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2740 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2741 (mips_emit_compare): Use it.
2742 (mips_expand_vcondv2sf): New function.
2744 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2746 Fix PR tree-optimization/27093
2747 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2748 renaming when they become not-used_alone.
2750 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2752 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2753 relocation and relocation stubs.
2755 2006-05-08 Eric Christopher <echristo@apple.com>
2757 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2760 2006-05-08 Jan Hubicka <jh@suse.cz>
2763 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2764 unused static functions are needed.
2766 2006-05-08 Roger Sayle <roger@eyesopen.com>
2769 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2770 of a reg_equiv_constant if the result is a legitimate constant.
2772 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2775 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2776 standard 80387 constants, raise the cost to prevent
2777 compress_float_constant() to generate load from memory.
2779 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2781 * config/arm/constraints.md (c): Fix a typo.
2783 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2786 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2789 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2791 (_mm_mwait): Likewise.
2793 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2795 (sse3_monitor): Make it 32bit only.
2796 (sse3_monitor64): New. 64bit monitor.
2798 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2801 * config/i386/i386.c (classify_argument): Skip fields with invalid
2804 2006-05-07 Richard Guenther <rguenther@suse.de>
2806 PR tree-optimization/27409
2807 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2808 Do not try to find zero-sized subvars.
2810 2006-05-07 Richard Guenther <rguenther@suse.de>
2812 PR tree-optimization/27136
2813 * tree-ssa-loop-niter.c (get_val_for): Correct function
2814 comment, assert requirements.
2815 (loop_niter_by_eval): Stop processing if the iterated
2816 value did not simplify.
2818 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2820 * opts.c (flag_see): remove its setting at -O3.
2822 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2824 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2825 * arm/constraints.md: New file.
2826 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2827 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2828 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2829 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2830 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2831 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2832 * arm.md: Include constraints.md.
2833 (thumb_movsi_insn): Use satisfies_constraint_J.
2834 (movhi, movqi): Use satisfies_constraint_I.
2836 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2838 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2839 for atmeg a645 device.
2841 2006-05-06 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/27151
2844 * tree-vect-transform.c (vectorizable_condition): Punt on
2845 values that have a different type than the condition.
2847 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2850 * c-parser.c (c_parser_cast_expression): Only insert casts into
2851 hash table if pointer.
2852 * function.c (used_types_insert_helper): Rename from
2854 (used_types_insert): Call used_types_insert_helper.
2855 * function.h (used_types_insert): Accept only one argument.
2857 2006-05-05 David Edelsohn <edesohn@gnu.org>
2859 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2860 scratch with output modifier.
2862 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2865 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2866 with output modifier.
2868 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2871 * config/mips/mips.c (mips_symbolic_address_p): Return true
2872 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2873 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2875 2006-05-04 Richard Guenther <rguenther@suse.de>
2877 PR tree-optimization/14287
2878 PR tree-optimization/14844
2879 PR tree-optimization/19792
2880 PR tree-optimization/21608
2881 PR tree-optimization/27090
2882 * tree-ssa-pre.c (try_combine_conversion): New function.
2883 (compute_avail): After constructing the value-handle
2884 expression, use try_combine_conversion to combine NOP_EXPRs
2885 with previous value-handle expressions and use the result if it
2888 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2890 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2892 2006-05-04 Jan Hubicka <jh@suse.cz>
2895 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2897 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2899 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2900 that this only matches CONST_INTs. All users changed to VOIDmode
2903 * config/bfin/bfin.c: Include "optabs.h".
2904 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2906 (enum bfin_builtins): Add a number of fractional and vector builtins.
2907 (bfin_init_builtins): Likewise.
2908 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2909 (safe_vector_operand, bfin_expand_binop_builtin,
2910 bfin_expand_unop_builtin): New functions.
2911 (bfin_expand_builtin): Handle the new builtins.
2912 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2915 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2918 * Makefile.in (OBJS-common): Add see.o.
2919 (see.o): Add dependencies.
2920 * common.opt (fsee): New flag for the see optimization was added.
2921 * opts.c (flag_see): Initialized.
2922 * passes.c (init_optimization_passes, pass_see): New pass.
2923 * rtl.h (see_main): Declaration as extern.
2924 * timevar.def (TV_SEE): New.
2925 * tree-pass.h (pass_see): Declaration as extern.
2926 * invoke.texi (-fsee): Document.
2927 * recog.c (validate_simplify_insn): New function.
2928 * recog.h (validate_simplify_insn): Declaration as extern.
2929 * df-problems.c (df_chain_dump): Check for NULL.
2931 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2932 Daniel Berlin <dberlin@dberlin.org>
2934 * cfgrtl.c (insert_insn_bb_end_new): New function.
2935 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2937 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2939 * df.h (struct web_entry): Moved from web.c.
2940 (union_defs): Declaration as extern.
2941 (unionfind_root): Likewise.
2942 (unionfind_union): Likewise.
2943 * web.c (struct web_entry): Moved to df.h.
2944 (unionfind_root): Remove static declaration.
2945 (unionfind_union): Likewise.
2946 (union_defs): Likewise and generalize to use callback function.
2947 (web_main): Update arguments for union_defs function call.
2949 2006-05-04 Richard Guenther <rguenther@suse.de>
2951 PR tree-optimization/26447
2952 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2953 produce SSA_NAME copies before the store stmt to avoid
2954 breaking exception handling.
2956 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2959 * gimplify.c (omp_is_private): If var is shared in some outer context,
2960 return false instead of true. Stop searching on parallel context
2963 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2966 * coverage.c: Use get_gcov_unsigned_t() instead of
2967 unsigned_type_node all over.
2969 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2971 PR tree-optimization/27381
2972 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2973 maintain the same immediate_use links.
2974 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2975 node rather than segfaulting.
2977 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2980 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2981 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2982 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2984 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2986 Fix PR tree-optimization/26626
2987 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2989 * tree-ssa-operands.c (access_can_touch_variable): Allow
2990 typecasting through union pointers.
2992 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2995 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2996 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2997 to find if var will be a global variable even in the nested context.
2998 (omp_copy_decl): Only check for global variable at the end, it might
2999 be overridden in outer contexts.
3000 (scan_sharing_clauses): For global variables don't create a field.
3001 (lower_rec_input_clauses): Do nothing for global shared variables.
3002 Emit a barrier at the end of ILIST if there were any decls in both
3003 firstprivate and lastprivate clauses.
3004 (lower_send_clauses): Do nothing for global variables except for
3007 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3009 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3010 of the correct signedness is returned.
3012 2006-05-02 Jeff Law <law@redhat.com>
3014 PR tree-optimization/27364
3015 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3016 multiply expressions.
3018 2006-05-02 Tom Tromey <tromey@redhat.com>
3020 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3022 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3025 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3026 -mthumb -fPIC are used.
3028 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3029 Joshua Kinard <kumba@gentoo.org>
3032 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3033 with 64-bit pointers.
3035 2006-05-02 Paul Brook <paul@codesourcery.com>
3037 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3039 (create_fix_barrier): Check that a suitable barrier location is
3041 (arm_reorg): Include ftmp->address in allowable range of addresses.
3043 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3046 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3049 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3052 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3053 around RESULT_DECL for result passed by reference.
3054 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3055 * omp-low.c (use_pointer_for_field): Don't look at
3056 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3057 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3058 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3059 time or var for passing by reference for
3060 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3061 TREE_ADDRESSABLE variables when passing by reference.
3063 * omp-low.c (dump_omp_region): Fix output formatting.
3066 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3067 (expand_omp_parallel): Likewise.
3068 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3071 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3072 on statement list containing also constructors and destructors.
3073 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3076 * except.c (duplicate_eh_regions): Fix clearing of
3077 cfun->eh->region_array entries.
3079 2006-05-01 DJ Delorie <dj@redhat.com>
3081 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3083 (gcc_cv_objdump): Likewise.
3084 * configure: Regenerated.
3086 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3089 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3090 templates for case 3 and 4.
3092 2006-05-01 DJ Delorie <dj@redhat.com>
3094 * vec.c: Include bconfig.h when appropriate.
3095 * Makefile.in (build/vec.o): Adjust dependencies.
3096 * mkconfig.sh: Make sure config.h isn't used for build machine
3099 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3101 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3103 (mark_phi_for_rewrite): New function.
3104 (insert_phi_nodes_for, mark_use_interesting): Call
3105 mark_phi_for_rewrite.
3106 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3107 (update_ssa): Initialize and free phis_to_rewrite.
3109 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3111 PR rtl-optimization/27291
3112 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3113 folded to a constant.
3115 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3117 PR tree-optimization/27283
3118 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3119 not whole # of iteration descriptions.
3120 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3121 uses abnormal ssa name.
3122 (niter_for_single_dom_exit): Ditto.
3123 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3124 return just the number of iterations.
3126 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3128 PR tree-optimization/27144
3129 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3130 (record_estimate): Only record constant upper bound.
3131 (infer_loop_bounds_from_undefined): Call
3132 compute_estimated_nb_iterations just once.
3133 (proved_non_wrapping_p): Renamed to ...
3134 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3135 (convert_step_widening, scev_probably_wraps_p): Call
3136 n_of_executions_at_most instead of proved_non_wrapping_p.
3137 (substitute_in_loop_info): Do not replace values in bounds.
3138 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3141 2006-05-01 Richard Henderson <rth@redhat.com>
3144 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3145 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3148 2006-05-01 Roger Sayle <roger@eyesopen.com>
3150 * c-typeck.c (parser_build_binary_op): Don't call the function
3151 unsigned_conversion_warning to spot operand/result type overflow.
3152 (build_binary_op): Instead, call convert_and_check instead of
3153 convert to report the problem when the operands are promoted.
3154 * c-common.c (unsigned_conversion_warning): Make static.
3155 * c-common.h (unsigned_conversion_warning): Delete prototype.
3157 2006-05-01 Richard Guenther <rguenther@suse.de>
3159 PR tree-optimization/26726
3160 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3162 (find_interesting_uses_address): ... we work around here
3163 by folding INDIRECT_REFs in the substituted base.
3165 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3167 * omp-low.c (dump_omp_region): Add newlines.
3169 2006-04-30 Roger Sayle <roger@eyesopen.com>
3171 * common.opt (Woverflow): New command line option.
3172 * c-common.c (constant_expression_warning): Check warn_overflow.
3173 (overflow_waring): Pass OPT_Woverflow to warning.
3174 (unsigned_conversion_warning): Likewise.
3175 (convert_and_check): Likewise.
3176 * doc/invoke.texi: Document new command line option.
3178 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3180 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3181 TARGET_NO_FP_IN_TOC for section anchors.
3182 (optimization_options): Enable section anchors for all
3183 non-"Objective" languages.
3185 2006-04-28 Eric Christopher <echristo@apple.com>
3187 * config/darwin-c.c (darwin_ms_struct): Move this
3188 (darwin_set_default_type_attributes): and this...
3189 * config/darwin.c: ... here.
3190 * config/darwin.h (darwin_ms_struct): Declare.
3192 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3194 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3196 2006-04-28 Roger Sayle <roger@eyesopen.com>
3199 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3200 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3201 an unsigned HOST_WIDE_INT.
3202 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3204 (really_start_incremental_init): No need to call convert because
3205 bitsize_zero_node is already of type bitsizetype.
3206 (push_init_level): Extract the value of constructor_index as an
3207 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3208 (process_init_element): Likewise.
3210 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3212 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3213 value before passing to make_relative_prefix.
3215 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3218 * builtins.c (expand_builtin_memset): Expand val in original mode.
3220 2006-04-27 Eric Christopher <echristo@apple.com>
3222 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3223 with #ifndef/#endif.
3224 * config/darwin-c.c (darwin_ms_struct): New.
3225 (darwin_pragma_ms_struct): Ditto.
3226 (darwin_set_default_type_attributes): Ditto.
3227 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3228 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3229 Register ms_struct pragma.
3230 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3231 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3232 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3233 darwin_set_default_type_attributes if TARGET_MACHO.
3235 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3237 PR tree-optimization/26854
3238 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3239 * doc/tree-ssa.texi: Update immuse iterator documentation.
3240 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3241 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3242 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3243 first_safe_imm_use, next_safe_imm_use): Remove.
3244 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3245 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3246 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3247 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3248 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3249 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3250 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3251 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3252 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3253 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3254 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3255 (perfect_nestify): Use new iterator.
3256 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3258 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3259 (next_imm_name): New field in struct immediate_use_iterator_d.
3260 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3261 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3262 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3263 * tree-cfg.c (replace_uses_by): Use new iterator.
3264 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3265 * tree-ssa-operands.c (correct_use_link): Remove.
3266 (finalize_ssa_use_ops): No longer call correct_use_link.
3268 2006-04-27 Stuart Hastings <stuart@apple.com>
3270 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3271 * config/t-darwin (crt3.o): Use it.
3272 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3273 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3274 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3275 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3276 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3279 2006-04-27 Roger Sayle <roger@eyesopen.com>
3281 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3282 size, force the intermediate into a new pseudo rather instead of
3283 performing both a bitwise AND and a bitwise IOR in memory.
3285 2006-04-27 Richard Guenther <rguenther@suse.de>
3287 PR rtl-optimization/26685
3288 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3289 this one "max-flow-memory-locations".
3291 2006-04-27 Richard Guenther <rguenther@suse.de>
3293 PR tree-optimization/25148
3294 * tree-vrp.c (compare_values): Remove code dealing with
3295 comparisons against type min/max value. Honour overflow
3296 and negative constants in code dealing with comparisons
3297 of plus and minus expressions.
3298 (value_inside_range): Use fold_binary with LE_EXPR and
3299 GE_EXPR rather than compare_values.
3301 2006-04-27 Dirk Mueller <dmueller@suse.de>
3303 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3306 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3308 * basic-block.h (safe_insert_insn_on_edge): Removed.
3309 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3311 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3312 Paolo Bonzini <bonzini@gnu.org>
3315 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3316 (simplify_and_const_int): Same.
3318 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3320 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3322 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3325 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3326 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3327 cgraph_global_info_ready.
3330 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3333 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3334 either decl or init is error_mark_node.
3337 * tree-flow.h (struct omp_region): Add sched_kind.
3338 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3339 instead of extracting omp for data.
3340 (expand_omp_for): Save extracted sched_kind.
3342 2006-04-25 Roger Sayle <roger@eyesopen.com>
3344 * expmed.c (store_bit_field): Also check whether the bitsize is
3345 valid for the machine's "insv" instruction before moving the
3346 target into a pseudo for use with the insv.
3347 * config/i386/predicates.md (const8_operand): New predicate.
3348 * config/i386/i386.md (extv, extzv, insv): Use the new
3349 const8_operand predicate where appropriate.
3351 2006-04-25 DJ Delorie <dj@redhat.com>
3353 * doc/install.texi (Specific): Clarify that this is not a list of
3354 supported hosts or targets.
3356 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3358 PR rtl-optimization/26725
3359 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3360 block's BB_DIRTY flag.
3362 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3364 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3367 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3368 to print an integer.
3370 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3372 * varasm.c (align_variable): New function.
3373 (get_block_for_decl): Apply align_variable to DECL before
3374 calculating section information.
3375 (assemble_variable): Split out alignment computation.
3377 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3379 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3382 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3384 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3385 MODE_PARTIAL_INT mode.
3386 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3387 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3389 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3390 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3392 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3394 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3396 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3397 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3398 MACFLAG_IH): Likewise.
3399 (movstricthi_1): Renamed from "*movstricthi".
3400 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3401 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3402 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3403 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3404 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3405 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3406 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3407 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3408 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3409 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3410 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3411 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3412 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3413 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3414 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3416 * doc/rtl.texi (ss_ashift): Improve wording.
3418 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3420 * dwarf2out.c (verify_marks_clear): New.
3421 (prune_unused_types): Call verify_marks_clear initially, not
3424 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3426 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3427 * doc/rtl.texi: Document them.
3428 * simplify-rtx.c (simplify_unary_operation,
3429 simplify_binary_operation_1): Don't abort when we see them.
3431 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3434 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3435 * configure.ac: Completely disregard languages that are not
3437 * configure: Regenerated.
3439 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3440 Richard Guenther <rguenther@suse.de>
3442 PR tree-optimization/27236
3443 * tree-inline.c (copy_body_r): Make sure to copy
3444 TREE_THIS_VOLATILE flag.
3446 2006-04-24 Richard Guenther <rguenther@suse.de>
3449 * tree-complex.c (update_parameter_components): Don't handle
3450 unused parameters which have no default def.
3452 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3453 Richard Guenther <rguenther@suse.de>
3455 PR tree-optimization/27218
3456 * tree-inline.c (expand_call_inline): Strip useless type
3457 conversions for the return slot address.
3459 2006-04-24 Richard Guenther <rguenther@suse.de>
3461 * cfgloop.h (struct loops): Remove unused field array. Reorder
3463 (LOOP_PREFETCH): Remove.
3465 2006-04-24 Richard Guenther <rguenther@suse.de>
3467 PR tree-optimization/22525
3468 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3469 variable, adjust types of generated expressions.
3471 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3473 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3474 (tree-vect-patterns.o): Likewise.
3476 (cselib.o): Likewise.
3477 (loop-doloop.o): Likewise.
3478 (regclass.o): Likewise.
3479 (reload1.o): Likewise.
3480 (explow.o): Replace target.h with $(TARGET_H).
3481 (ipa-prop.o): Likewise.
3482 (ipa-cp.o): Likewise.
3483 (ipa-inline.o): Likewise.
3484 (reorg.o): Likewise.
3485 (reg-stack.o): Likewise.
3487 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3489 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3491 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3493 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3495 * configure.ac: Completely disregard languages that are not
3497 * configure: Regenerated.
3500 * c-common.h (c_build_bitfield_integer_type): Declare.
3501 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3502 * c-common.c (c_build_bitfield_integer_type): ... here.
3504 2006-04-23 Roger Sayle <roger@eyesopen.com>
3507 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3508 a SImode SUBREG of a floating point register after no_new_pseudos.
3510 2006-04-23 Roger Sayle <roger@eyesopen.com>
3512 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3513 identify potentially eliminable registers to additionally catch
3514 VIRTUAL_INCOMING_ARGS_REGNUM.
3515 (addsi3): Update the conditions on when to use addsi_small_int.
3517 2006-04-23 Roger Sayle <roger@eyesopen.com>
3520 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3521 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3522 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3524 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3526 * fold-const.c (range_predecessor): Use operand_equal_p
3527 as the predicate for equality.
3528 (range_successor): Likewise.
3530 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3533 * config/soft-fp/op-common.h: Fix a typo.
3535 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3538 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3539 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3541 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3543 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3545 * doc/tm.texi: Fix a typo.
3547 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3549 * dwarf2out.c (struct die_struct): Document that die_sib makes
3550 a circular linked list.
3551 (FOR_EACH_CHILD): New.
3552 (reverse_die_lists): Delete.
3553 (reverse_all_dies): Delete.
3554 (add_dwarf_attr): Correct documentation.
3555 (remove_child_with_prev): New.
3556 (remove_child_TAG): Update for change to die_struct, use
3557 remove_child_with_prev.
3558 (add_child_die): Update for change to die_struct.
3559 (splice_child_die): Use remove_child_with_prev and add_child_die.
3560 (print_die): Use FOR_EACH_CHILD.
3561 (die_checksum): Likewise.
3562 (assign_symbol_names): Likewise.
3563 (output_location_lists): Likewise.
3564 (build_abbrev_table): Likewise.
3565 (calc_die_sizes): Likewise.
3566 (mark_dies): Likewise.
3567 (unmark_dies): Likewise.
3568 (unmark_all_dies): Likewise.
3569 (output_die): Likewise.
3570 (prune_unused_types_mark): Likewise.
3571 (prune_unused_types_walk): Likewise.
3572 (same_die_p): Update for change to die_struct.
3573 (break_out_includes): Likewise.
3574 (prune_unused_types_prune): Likewise.
3575 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3576 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3578 (dwarf2out_finish): Don't call reverse_all_dies.
3580 2006-04-21 Eric Christopher <echristo@apple.com>
3582 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3583 in comments and function names.
3585 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3588 * c-typeck.c (digest_init): Robustify.
3590 * c-typeck.c (pop_init_level): Simplify.
3592 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3594 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3596 2006-04-21 Paul Brook <paul@codesourcery.com>
3598 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3599 hardware floating point.
3601 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3603 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3606 2006-04-21 Nick Clifton <nickc@redhat.com>
3608 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3611 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3614 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3615 C++ lang type in traceback table for Objective-C++.
3617 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3619 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3621 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3623 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3626 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3627 were errors. Remove check for erroneous objects.
3629 2006-04-20 Jeff Law <law@redhat.com>
3631 PR tree-optimization/26854
3632 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3633 checking for zero or one use.
3634 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3635 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3636 * tree-ssa-reassoc.c (negate_value): Similarly.
3637 (reassociate_bb): Similarly.
3639 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3641 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3642 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3643 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3645 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3647 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3648 fp regs if the last fp arg doesn't fit in regs.
3650 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3653 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3654 that the last insn has the REG_INC note.
3656 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3657 Nathan Sidwell <nathan@codesourcery.com>
3660 * stor-layout.c (update_alignment_for_field): Do not align
3662 (place_union_field): Place union field at the start of the union.
3663 (place_field): Move ERROR_MARK check later, and use the current
3664 allocation position to maintain monotonicity.
3666 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3668 * dominance.c: Include timevar.h.
3669 (calculate_dominance_info): Use TV_DOMINANCE.
3670 * timevar.def (TV_DOMINANCE): New timevar.
3671 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3673 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3675 PR rtl-optimization/14261
3676 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3677 move would be an INSV insn.
3678 (noce_process_if_block): Don't optimize if the destination is a
3679 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3681 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3683 * config/s390/s390.md: Add comments with the instructions emitted
3684 by an insn pattern if macros are used.
3686 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3688 PR rtl-optimization/26026
3689 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3690 is a known power of two shifted left a variable amount.
3692 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3694 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3695 to hash table twice when the debug_str section has SECTION_MERGE.
3697 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3699 * config/soft-fp: New directory. From glibc.
3700 * config/soft-fp/t-softfp: New.
3701 * config/soft-fp/README: New.
3702 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3703 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3704 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3705 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3706 * config.gcc: Use rs6000/t-fprules-fpbit or
3707 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3709 * config/rs6000/sfp-machine.h: New. Based on glibc.
3710 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3712 * config/rs6000/t-fprules: Remove fp-bit rules.
3713 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3714 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3715 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3716 (softfp_wrap_start, softfp_wrap_end): New.
3718 2006-04-18 DJ Delorie <dj@redhat.com>
3720 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3722 2006-04-18 Devang Patel <dpatel@apple.com>
3724 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3726 2006-04-18 Nick Clifton <nickc@redhat.com>
3728 * config/sh/t-symbian: Add rule to build sh-c.o
3729 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3730 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3731 (sh_symbian_encode_section_info): Likewise.
3733 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3735 * builtins.c (expand_builtin_strcmp): Cover label definition of
3736 do_libcall with HAVE_cmpstrnsi.
3738 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3740 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3742 * function.h (temp_slot_p): New.
3743 (function): Change the type of x_used_temp_slots to
3744 VEC(temp_slot_p,gc) *.
3746 2006-04-18 Nick Clifton <nickc@redhat.com>
3748 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3749 flag_strength_reduce.
3751 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3753 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3757 Partial revert of revision 112637
3758 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3759 Dale Johannesen <dalej@apple.com>
3762 * regclass.c (struct reg_pref): Update documentation.
3763 (regclass): Set prefclass to NO_REGS if memory is the best option.
3764 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3766 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3768 PR tree-optimization/26821
3769 * tree-ssa-math-opts.c (get_constant_one): New.
3770 (insert_reciprocals): Use it.
3772 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3774 * dwarf2out.c (free_AT): Delete.
3775 (remove_AT): Update string ref counts.
3776 (remove_child_TAG): Don't call free_die.
3778 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3779 or DW_TAG_GNU_EINCL.
3780 (prune_unused_types_walk_attribs): Reset string refcounts.
3781 (prune_unused_types_update_strings): New.
3782 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3783 call free_die. Do call prune_unused_types_update_strings.
3784 (prune_unused_types): Empty debug_str_hash.
3786 2006-04-17 Roger Sayle <roger@eyesopen.com>
3788 * expr.c (expand_assignment): Optimize away no-op moves where the
3789 source and destination are equal and have no side-effects.
3791 2006-04-17 Richard Guenther <rguenther@suse.de>
3794 * reload.c (push_reload): Guard calls to get_secondary_mem
3797 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3799 * alias.c (reg_base_value, old_reg_base_value): Change the
3800 type to VEC(rtx,gc) *.
3801 (REG_BASE_VALUE, find_base_value, record_set,
3802 init_alias_analysis): Use VEC instead of VARRAY.
3804 * alias.c (alias_sets): Change the type to
3805 VEC(alias_set_entry,gc) *.
3806 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3807 VEC instead of VARRAY.
3808 (last_alias_set): Remove.
3810 * cgraph.h (cgraph_edge_p): New.
3811 Update the prototype of cgraph_function_versioning.
3812 * cgraphunit.c (cgraph_copy_node_for_versioning,
3813 cgraph_function_versioning): Use VEC instead of VARRAY.
3814 * ipa-cp.c (ipcp_insert_stage): Likewise.
3816 2006-04-16 Roger Sayle <roger@eyesopen.com>
3819 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3820 "A op B" or "A op C", we may need to convert A to the type of B and C.
3822 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3824 * target.h (struct gcc_target): Add mode_rep_extended.
3825 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3826 (init_num_sign_bit_copies_in_rep): Initialize it using
3828 (truncate_to_mode): Use it.
3829 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3830 * targhooks.h (default_mode_rep_extended): Declare it.
3831 * targhooks.c (default_mode_rep_extended): Define it.
3832 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3833 default_mode_rep_extended.
3834 (TARGET_INITIALIZER): Include it.
3835 * doc/tm.texi (Misc): Document it.
3836 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3837 (mips_truncated_to_mode): New function.
3839 2006-04-16 Roger Sayle <roger@eyesopen.com>
3842 * expr.c (compress_float_constant): Copy the narrow constant into
3843 a new pseudo before extending it to its final width.
3845 2006-04-16 Roger Sayle <roger@eyesopen.com>
3846 Andrew Pinski <pinskia@gcc.gnu.org>
3847 Dale Johannesen <dalej@apple.com>
3850 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3851 special case code to implement V8HImode and V16QImode with SSE2.
3853 2006-04-15 Roger Sayle <roger@eyesopen.com>
3855 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3856 trees are constructed with a suitable tree type.
3858 2006-04-15 Roger Sayle <roger@eyesopen.com>
3860 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3861 (integer_onep): Likewise.
3862 (integer_all_onesp): Likewise.
3863 (integer_pow2p): Likewise.
3864 (integer_nonzerop): Likewise.
3865 (real_zerop): Likewise.
3866 (real_onep): Likewise.
3867 (real_twop): Likewise.
3868 (real_minus_onep): Likewise.
3869 (int_size_in_bytes): Likewise.
3870 (host_integerp): Likewise.
3872 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3874 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3875 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3876 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3878 * tree-ssa-structalias.h (alias_info): Remove num_references.
3880 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3882 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3883 (output_bvb patterns): Likewise.
3884 * pa.c (output_bb): Use 'bb' insn for long branch case.
3885 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3886 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3887 1. Correct length operand for alternatives 1 and 2.
3888 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3889 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3891 2006-04-14 Roger Sayle <roger@eyesopen.com>
3893 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3894 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3895 were accidentally reverted by r112959.
3897 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3900 * except.h (eh_region_outermost): New prototype.
3901 * except.c (eh_region_outermost): New function.
3902 * tree-cfg.c (find_outermost_region_in_block): Use it.
3904 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3906 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3908 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3909 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3910 (init_reload, reload): Use VEC instead of VARRAY.
3911 * reload.h: Update the prototype for
3912 reg_equiv_memory_loc_varray.
3914 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3915 Eric Botcazou <ebotcazou@libertysurf.fr>
3917 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3920 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3923 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3924 to expand fallback builtin function call.
3926 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3929 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3930 and emit libcall here in case the builtin fails.
3931 (expand_builtin_strcmp): Always emit the libcall here on failure.
3933 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3935 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3936 * flow.c (reg_n_info): Change the type to
3937 VEC(reg_info_p,heap) *.
3938 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3940 * regs.h (reg_info_p): New.
3941 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3942 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3943 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3946 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3948 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3950 * params.h (MAX_SCHED_READY_INSNS): New macro.
3951 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3952 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3953 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3954 the ready list for 1 cycle during the first scheduling pass.
3955 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3957 2006-04-13 Richard Henderson <rth@redhat.com>
3960 * gimple-low.c (lower_omp_directive): Remove dead code.
3961 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3962 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3963 * omp-low.c (struct omp_region): Move to tree-flow.h.
3964 (root_omp_region): Export.
3965 (omp_regions, lookup_omp_region): Remove.
3966 (determine_parallel_type): Update for struct omp_region changes.
3967 (dump_omp_region): Dump regions with block numbers.
3968 (new_omp_region): Take type and block instead of stmt; malloc
3970 (free_omp_region_1, free_omp_regions): New.
3971 (expand_parallel_call): Take entry_stmt as argument; update for
3972 changes to omp_region.
3973 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3974 (remove_exit_barriers): New.
3975 (expand_omp_parallel): Update for struct omp_region changes.
3976 (expand_omp_synch): Likewise.
3977 (expand_omp): Likewise.
3978 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3979 (expand_omp_for_static_chunk): Likewise.
3980 (expand_omp_for): Likewise.
3981 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3982 (expand_omp_sections): Similarly, with GOMP_sections_end.
3983 (expand_omp_single): New.
3984 (build_omp_regions_1): Update for OMP_CONTINUE.
3985 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3986 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3987 OMP_SECTIONS_SECTIONS.
3988 (lower_omp_single_simple): Don't emit barrier here.
3989 (lower_omp_single_copy): Likewise.
3990 (lower_omp_single): Fix bindings, and lower to straightline now.
3991 (lower_omp_master, lower_omp_ordered): Likewise.
3992 (lower_omp_critical): Likewise.
3993 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3994 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3995 omp edges, free it afterward.
3996 (make_omp_sections_edges): Remove.
3997 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3998 (move_stmt_r): Handle OMP_CONTINUE.
3999 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4000 statement pointers to basic blocks. Add type member.
4001 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4002 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4003 * tree-inline.c (estimate_num_insns_1): Likewise.
4004 * tree-pretty-print.c (dump_generic_node): Likewise.
4005 * tree-ssa-operands.c (get_expr_operands): Likewise.
4006 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4007 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4008 (OMP_CONTINUE): New.
4009 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4010 (OMP_SECTIONS_SECTIONS): Remove.
4011 (OMP_SECTION_LAST): New.
4012 (OMP_RETURN_NOWAIT): New.
4014 2006-04-13 Roger Sayle <roger@eyesopen.com>
4016 * fold-const.c (native_encode_vector, native_interpret_real):
4017 Correct obvious mistakes in the previous check-in.
4019 2006-04-13 Roger Sayle <roger@eyesopen.com>
4021 * fold-const.c (native_encode_expr): New function to encode
4022 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4023 or VECTOR_CST into a specified buffer.
4024 (native_encode_int): New function.
4025 (native_encode_real): New function.
4026 (native_encode_complex): New function.
4027 (native_encode_vector): New function.
4028 (native_interpret_expr): Inverse of native_encode_expr to convert
4029 a target representation into an INTEGER_CST, REAL_CST etc...
4030 (native_interpret_int): New function.
4031 (native_interpret_real): New function.
4032 (native_interpret_complex): New function.
4033 (native_interpret_vector): New function.
4034 (fold_view_convert_expr): New function to constant fold/evaluate
4035 a VIEW_CONVERT_EXPR of a suitable constant expression.
4036 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4037 Change call of build1 to fold_build1 when constructing a
4040 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4041 Ulrich Weigand <uweigand@de.ibm.com>
4044 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4047 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4050 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4051 optimize to lo_sum for DFmode if !TARGET_FPRS.
4053 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4055 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4056 delete_alias_info, compute_flow_sensitive_aliasing,
4057 group_aliases): Use VEC instead of VARRAY.
4058 * tree-ssa-structalias.c (update_alias_info): Likewise.
4059 * tree-ssa-structalias.h (alias_info): Change the type of
4060 processed_ptrs to VEC(tree,heap) *.
4062 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4065 * config/sh/lib1funcs.h: New file, broken out of:
4066 * config/sh/lib1funcs.asm.
4067 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4069 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4070 * config/sh/lib1funcs-Os-4-200.asm: New file.
4071 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4072 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4073 (EXTRA_MULTILIB_PARTS): Include it.
4074 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4075 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4076 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4077 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4080 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4082 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4083 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4084 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4086 * tree-ssa-live.h: Include vecprim.h.
4087 (tree_partition_associator_d): Change the type of
4088 first_partition to VEC(int,heap) *.
4089 (tpa_first_partition): Use VEC instead of VARRAY.
4091 * Makefile.in (GTFILES): Move functions.h after tree.h.
4092 * function.c (reset_block_changes, record_block_change,
4093 check_block_change, free_block_changes): Use VEC instead of
4095 * function.h (function): Change the type of
4096 ib_boundaries_block to VEC(tree,gc) *.
4097 * tree-inline.c (copy_cfg_body): Initialize
4098 ib_boundaries_block to NULL instead of (varray_type) 0.
4100 2006-04-12 Roger Sayle <roger@eyesopen.com>
4102 * expr.c (emit_group_store): Correct operand order in call to
4103 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4104 a SUBREG_BYTE of zero.
4106 2006-04-12 Richard Guenther <rguenther@suse.de>
4108 * profile.c (compute_branch_probabilities): Remove code
4109 encapsulated in !ir_type (), which are remanents of the
4110 removed RTL profiling code.
4111 * rtl-profile.c: Remove.
4113 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4115 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4116 magic NULL_RTX comment.
4117 (function_arg): Store entire fp arg to mem if any part should go
4119 (rs6000_arg_partial_bytes): Adjust for above change.
4121 2006-04-11 Roger Sayle <roger@eyesopen.com>
4123 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4124 if it hasn't been initialized by dwarf2out_init.
4126 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4128 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4129 symbolic constants in branch patterns.
4131 2006-04-11 Roger Sayle <roger@eyesopen.com>
4133 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4135 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4137 PR rtl-optimization/27073
4138 * gcse.c (try_replace_reg): Revert last change. Continue to search
4139 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4142 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4144 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4145 aggregate types other than record and union types.
4146 (function_arg): Likewise.
4147 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4149 (function_value): In 64-bit mode, return objects that require it
4152 2006-04-11 Roger Sayle <roger@eyesopen.com>
4154 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4156 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4158 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4160 2006-04-03 Jeff Law <law@redhat.com>
4163 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4164 alias information too.
4166 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4168 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4170 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4173 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4174 (premark_used_types_helper): New.
4175 (premark_used_types): New.
4176 (gen_subprogram_die): Call premark_used_types.
4177 (prune_unused_types_walk): Do not prune perennial dies.
4178 * function.c (used_types_insert): New.
4179 * function.h (struct function): Add used_types_hash field.
4180 (used_types_insert): Add prototype.
4181 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4182 * c-parser.c (c_parser_cast_expression): Save casted types in used
4185 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4188 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4189 rs6000_explicit_options.float_gprs.
4191 2006-04-10 Roger Sayle <roger@eyesopen.com>
4193 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4194 from ix86_expand_vector_init_low_nonzero. Take an additional
4195 one_var argument indicating which element is non-zero. Support
4196 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4197 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4198 with one_var instead of ix86_expand_vector_init_low_nonzero.
4200 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4202 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4203 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4204 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4205 build/genextract.o): Depend on vecprim.h.
4206 * cfglayout.c, df-problems.c, function.c, genextract.c,
4207 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4208 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4212 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4214 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4215 Declare VECs of this type.
4216 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4217 (remove_children): Delete.
4218 (add_dwarf_attr): Use VEC routines.
4219 (add_AT_flag): Update for changes to add_dwarf_attr.
4220 (add_AT_int): Likewise.
4221 (add_AT_unsigned): Likewise.
4222 (add_AT_long_long): Likewise.
4223 (add_AT_vec): Likewise.
4224 (add_AT_string): Likewise.
4225 (add_AT_die_ref): Likewise.
4226 (add_AT_fde_ref): Likewise.
4227 (add_AT_loc): Likewise.
4228 (add_AT_loc_list): Likewise.
4229 (add_AT_addr): Likewise.
4230 (add_AT_lbl_id): Likewise.
4231 (add_AT_lineptr): Likewise.
4232 (add_AT_macptr): Likewise.
4233 (add_AT_offset): Likewise.
4234 (add_AT_range_list): Likewise.
4235 (get_AT): Use VEC_iterate.
4236 (remove_AT): Use VEC_ordered_remove.
4237 (free_die): Fold remove_children into here; have it use VEC_iterate.
4238 (print_die): Use VEC_iterate on attrs.
4239 (reverse_die_lists): Don't reverse attr lists.
4240 (die_checksum): Use VEC_iterate on attrs.
4241 (same_die_p): Likewise.
4242 (output_location_lists): Likewise.
4243 (build_abbrev_table): Likewise.
4244 (size_of_die): Likewise.
4245 (unmark_all_dies): Likewise.
4246 (output_abbrev_section): Likewise.
4247 (output_die): Likewise.
4248 (prune_unused_types_walk_attribs): Likewise.
4250 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4252 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4254 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4257 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4259 2006-04-09 Roger Sayle <roger@eyesopen.com>
4261 * expr.c (store_constructor): Don't bother clearing target if
4262 we're about to assign a vector to it using vec_init_optab.
4264 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4266 * tree-ssa-alias.c (lhs_may_store_to): New function.
4267 (recalculate_used_alone): Handle LHS of calls.
4269 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4273 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4274 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4275 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4276 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4277 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4278 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4279 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4280 stubs. Add ".align 8" directives before all ".dword" directives.
4281 (GTHREAD_USE_WEAK): Revise comment.
4282 (TARGET_ATTRIBUTE_WEAK): Define.
4283 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4284 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4285 * stublib.c: New file.
4290 * pa.md (cbranch patterns): Revise arguments used in calls to
4291 output_cbranch, output_bb and output_bvd. Add long branch length
4293 (fbranch patterns): Handle long branches.
4294 (jump): Revise length check. Revise arguments for output_lbranch call.
4295 Add long branch length attributes.
4296 (decrement_and_branch_until_zero): Add long branch length attributes.
4297 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4298 Likewise. Revise arguments for output_parallel_addb and
4299 output_parallel_movb calls.
4300 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4301 output_parallel_movb and output_parallel_addb): Update prototypes.
4302 * pa.c (output_cbranch): Revise arguments. Correct handling of
4303 nullification in long branches.
4304 (output_lbranch): Add new argument to control extraction of delay
4306 (output_bb): Handle long branches.
4307 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4308 output_parallel_addb): Likewise.
4310 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4312 PR rtl-optimization/27073
4313 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4316 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4318 * tree.h (tree_memory_tag): Add old_used_alone.
4319 (SMT_OLD_USED_ALONE): New macro.
4320 * tree-ssa-alias.c (recalculate_used_alone): Stop
4321 marking things for renaming unnecessarily.
4323 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4325 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4326 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4327 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4328 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4329 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4330 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4331 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4332 spelling convensions.
4333 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4334 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4335 typos. Follow spelling conventions.
4337 2006-04-07 DJ Delorie <dj@redhat.com>
4339 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4340 passed on the stack.
4341 (m32c_init_cumulative_args): When a function returns a structure,
4342 always pass the pointer to that return area on the stack.
4343 (m32c_function_arg_advance): Don't increment the parameter number
4344 if we're processing the returned structure pointer.
4345 (pushm_info): Reverse order of registers.
4347 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4349 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4350 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4351 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4352 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4354 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4355 chrec_fold_multiply): Same.
4356 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4357 force_expr_to_var_cost): Same.
4358 * tree-mudflap.c (mf_xform_derefs_1): Same.
4359 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4361 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4363 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4364 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4367 2006-04-07 Jan Hubicka <jh@suse.cz>
4369 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4371 2006-04-07 Richard Guenther <rguenther@suse.de>
4373 PR tree-optimization/26135
4374 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4375 loads for store copy-prop.
4376 (copy_prop_visit_stmt): Likewise.
4378 2006-04-05 Robert Millan <robertmh@gnu.org>
4380 * config/i386/linux.h: Add a comment to mark macros that are
4381 being overriden in config/k*bsd-gnu.h.
4382 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4384 * config/knetbsd-gnu.h: Ditto.
4386 2006-04-06 Jan Hubicka <jh@suse.cz>
4390 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4393 2006-04-06 Mike Stump <mrs@apple.com>
4395 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4396 for HAVE_nonlocal_goto to be consistent.
4397 (expand_builtin_nonlocal_goto): Likewise.
4398 (expand_builtin_strcmp): Use #ifdef instead of #if
4399 for HAVE_cmpstrnsi to be consistent.
4401 2006-04-05 DJ Delorie <dj@redhat.com>
4403 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4406 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4408 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4409 got-relative addressing for anything but SImode.
4411 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4412 even if the calling function doesn't modify them.
4414 2006-04-05 Richard Guenther <rguenther@suse.de>
4416 PR tree-optimization/26919
4417 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4418 to cgraph_estimate_size_after_inlining.
4420 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4422 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4424 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4426 PR tree-optimization/26996
4427 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4428 VECTOR_TYPE variables.
4430 2006-04-05 Richard Guenther <rguenther@suse.de>
4432 PR tree-optimization/26763
4433 * fold-const.c (fold_comparison): Move folding of
4434 PTR + CST CMP PTR + CST ...
4435 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4437 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4439 * doc/install.texi (Prerequisites): Refine some wording on
4440 bootstrapping and ksh.
4441 Move the version numbers of DejaGnu here from the testing section
4442 and fix casing of names.
4443 Fix markup and clarify wording for autogen requirements.
4444 Refer to GCJ instead of just java.
4445 Refer to SVN instead of CVS.
4446 Describe diffutils as useful instead of necessary.
4447 (Downloading the source): Refer to SVN instead of CVS.
4448 Adjust a link to our web site accordingly.
4449 (Configuration): Fix casing of Bison.
4450 (Building): Refer to SVN instead of CVS.
4451 Fix a sentence on the use of Bison and remove duplicate (and
4452 incorrect) version number of Bison requirement.
4453 Remove one redundant list of packages needed for building.
4454 (Specific): Avoid reference to CVS.
4456 2006-04-04 Eric Christopher <echristo@apple.com>
4458 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4459 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4460 (rs6000_handle_struct_attribute): New.
4461 (rs6000_ms_bitfield_layout_p): Ditto.
4463 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4465 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4466 NULL for dso parameter to atexit_common.
4468 2006-04-04 Eric Christopher <echristo@apple.com>
4470 * config/i386/i386.c (machopic_output_stub): Output \t
4471 between instructions and operands.
4473 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4475 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4476 satisfies_constraint_[IL] to explicit tests on value.
4478 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4480 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4481 set_nb_iterations_in_loop): Use build_int_cst instead of
4483 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4484 build_int_cst instead of convert.
4486 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4488 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4489 new value 2 for incoming.
4490 * function.c (expand_function_start): Call struct_value_rtx
4492 * config/sparc/sparc.md: Comment updated_return.
4493 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4494 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4495 struct return if sparc_std_struct_return and incoming is 2.
4496 (print_operand): Do not adjust return if
4497 sparc_std_struct_return.
4499 2006-04-04 Roger Sayle <roger@eyesopen.com>
4501 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4502 convert in the middle-end.
4503 * expr.c (store_expr, store_constructor, get_inner_reference,
4504 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4506 * tree.c (build_range_type): Likewise.
4508 2006-04-04 Tom Tromey <tromey@redhat.com>
4510 * doc/install.texi (Prerequisites): Mention jar.
4512 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4514 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4517 2006-04-04 Matthias Klose <doko@debian.org>
4519 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4520 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4523 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4525 * doc/extend.texi (Function Attributes): Rewrite visibility
4526 attribute documentation.
4527 * doc/invoke.texi (C++ Dialect Options): Rewrite
4528 -fvisibility-inlines-hidden documentation to describe something
4529 entirely different, although in practise compatible.
4530 (Code Gen Options): Warn about system headers in -fvisibility=
4533 * doc/extend.texi (Other Builtins): Document that
4534 __builtin_nan is a compile-time constant only when its argument
4537 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4539 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4540 trying to remove TRUNCATE check if all bits outside the new mode
4541 are identical to the sign bit.
4543 2006-04-03 Jeff Law <law@redhat.com>
4545 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4546 and operand scanning in some common cases.
4548 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4549 Dale Johannesen <dalej@apple.com>
4552 * regclass.c (struct reg_pref): Update documentation.
4553 (regclass): Set prefclass to NO_REGS if memory is the best option.
4554 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4555 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4556 into account. For non-registers, equate an empty preferred
4557 reload class to a `!' in the constraint; move the if clause to
4558 do so after those that reject the insn.
4559 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4561 (find_dummy_reload): Likewise.
4562 * doc/tm.texi (Register Classes): Document what it means
4563 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4564 * config/i386/i386.c (ix86_preferred_reload_class): Force
4565 using SSE registers (and return NO_REGS for floating-point
4566 constants) if math is done with SSE.
4567 (ix86_preferred_output_reload_class): New.
4568 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4569 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4570 * config/i386/i386.md: Remove # register preferences.
4572 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4575 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4576 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4577 the type of nb_iter.
4578 (instantiate_parameters_1): Convert the operands before calling
4579 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4580 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4582 2006-04-02 Roger Sayle <roger@eyesopen.com>
4584 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4585 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4587 * dojump.c (do_jump): Likewise.
4588 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4589 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4590 gimplify_boolean_expr): Likewise.
4591 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4592 * varasm.c (array_size_for_constructor): Likewise.
4593 * tree-object-size.c (compute_object_offset): Likewise.
4595 2006-04-02 Roger Sayle <roger@eyesopen.com>
4598 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4599 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4601 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4603 PR tree-optimization/26939
4604 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4606 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4608 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4609 at_stmt. Convert the type of operands before calling
4610 build_polynomial_chrec.
4611 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4613 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4614 (instantiate_parameters_1): Convert the type of operands before calling
4615 build_polynomial_chrec.
4616 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4617 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4618 reset_evolution_in_loop): Insert asserts to check the types of the
4620 (chrec_type): Moved...
4621 (eq_evolutions_p): Use operand_equal_p.
4622 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4623 the types of the operands.
4624 (chrec_type): ...here.
4625 * tree-data-ref.c (create_data_ref): Convert the operands before
4626 calling chrec_replace_initial_condition.
4627 (same_access_functions, analyze_subscript_affine_affine,
4628 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4629 (compute_subscript_distance, analyze_ziv_subscript,
4630 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4631 analyze_miv_subscript): Convert the operands before calling
4632 chrec_fold_minus or chrec_fold_plus.
4634 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4636 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4637 the dependence_relations vector.
4638 (compute_data_dependences_for_loop): Adjust call to
4639 compute_all_dependences.
4641 2006-04-01 Roger Sayle <roger@eyesopen.com>
4642 Richard Henderson <rth@redhat.com>
4644 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4645 gimple_boolify on the condition before calling gimplify_expr.
4647 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4649 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4650 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4651 the frame size. Update to use the new macros.
4652 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4653 * config/xtensa/ieee754-df.S: Likewise.
4655 2006-03-31 Richard Henderson <rth@redhat.com>
4657 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4658 (make_edges): ... here. Control fallthru creation with a local
4659 variable. Do not play with fake edges.
4660 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4661 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4664 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4666 * dwarf2.h (DW64_CIE_ID): Define.
4667 * dwarf2out.c (DWARF_CIE_ID): Define.
4668 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4669 length header. Use DWARF_CIE_ID.
4670 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4671 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4673 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4675 * config/sh/linux-atomic.asm: New file.
4676 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4678 2006-03-31 DJ Delorie <dj@redhat.com>
4680 * config/m32c/cond.md: Set condition flags properly throughout.
4681 * config/m32c/minmax.md: Likewise.
4682 * config/m32c/prologue.md: Likewise.
4683 * config/m32c/bitops.md: Likewise.
4684 * config/m32c/muldiv.md: Likewise.
4685 * config/m32c/mov.md: Likewise.
4686 * config/m32c/addsub.md: Likewise.
4687 * config/m32c/m32c.md: Likewise.
4688 * config/m32c/jump.md: Likewise.
4689 * config/m32c/shift.md: Likewise.
4691 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4692 conditionally output the pattern for this.
4693 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4694 (m32c_compare_redundant): New.
4695 (m32c_output_compare): New.
4696 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4698 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4699 dest, not src. Allow other 4-byte modes.
4701 2006-03-30 Denis Chertykov <denisc@overta.ru>
4703 * doc/md.texi: Refer to avr/constraints.md instead of
4706 2006-03-30 Roger Sayle <roger@eyesopen.com>
4708 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4709 signed vs. unsigned comparison failures on some hosts.
4711 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4714 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4715 change to FLOAT_REGS.
4717 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4718 (rs6000_override_options): Use it.
4719 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4720 only for -mabi=spe/no-spe and -mabi=altivec.
4722 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4724 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4727 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4729 * Makefile.in: Rename docdir to gcc_docdir.
4731 2006-03-30 Roger Sayle <roger@eyesopen.com>
4734 * expr.c (emit_group_store): Optimize group stores into a pseudo
4735 register by using a paradoxical subreg to initialize the destination
4736 if the first or last member of the group specifies a "low part".
4738 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4741 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4742 * target.h (struct gcc_target.speculate_insn): Change type of the
4743 second parameter to 'int'.
4744 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4745 the second operand of the DEPS_LIST.
4746 (copy_DEPS_LIST_list): Update reference to the second operand of the
4748 * rtl.h (alloc_DEPS_LIST): Update signature.
4749 * sched-int.h (ds_t): Change typedef to 'int'.
4750 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4752 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4754 * haifa-sched.c (try_ready): Change condition to restore
4755 non-speculative pattern of the instruction.
4756 (process_insn_depend_be_in_spec): Code to keep probability of the
4757 speculative dependence non-decreasing.
4759 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4761 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4762 (single_move_for_movmem): ... this. Also change all uses.
4763 (bfin_expand_strmov): Renamed to...
4764 (bfin_expand_movmem): ... this. Also change all uses.
4765 * config/bfin/bfin.md (movstrsi): Renamed to...
4766 (movstrsi): ...this.
4768 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4770 PR tree-optimization/26830
4772 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4773 (copy_prop_visit_stmt): Remove write-only variable ann.
4774 (init_copy_prop): Check variable loop depth here. Do not simulate
4775 memory-tag and virtual operand PHIs except for store copy prop.
4777 2006-03-30 Richard Guenther <rguenther@suse.de>
4779 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4780 variants with double arguments.
4782 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4784 * genpreds.c (write_tm_constrs_h): Delete variable p.
4785 * genconditions.c (write_header): Add tm-constrs.h to included
4787 * genpeep.c (main): Add toplev.h to included headers.
4788 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4789 (build/genpeep.o): Add toplev.h dependency.
4790 * config/rs6000/constraints.md: Add "W" constraint.
4792 2006-03-29 Roger Sayle <roger@eyesopen.com>
4794 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4795 sizes by correctly testing whether the size fits a host integer.
4796 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4797 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4798 SImode range for the default sizetype and bitsizetype.
4800 2006-03-29 Roger Sayle <roger@eyesopen.com>
4802 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4803 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4804 quickly if the argument is already of the correct type.
4805 Call fold_build1 instead of build1. Tidy up blank lines.
4807 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4809 * genemit.c (main): Add tm-constrs.h to included headers.
4810 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4811 * genpeep.c (main): Add tm-constrs.h to included headers.
4812 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4813 (write_tm_constrs_h): this and write complete file.
4814 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4815 (write_insn_preds_c): Add tm-constrs.h to included headers.
4816 (gen_constrs): New variable.
4817 (parse_option): Parse "-c".
4818 (main): Invoke write_tm_constrs_h.
4819 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4820 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4821 (object_out_file): Add tm-constrs.h dependency.
4822 (insn-emit.o): Same.
4823 (insn-output.o): Same.
4824 (insn-peep.o): Same.
4825 (insn-preds.o): Same.
4826 (insn-recog.o): Same.
4827 (tm-constsr.h): New target.
4828 (s-constrs-h): New target.
4830 * config/rs6000/constraints.md: New file.
4831 * config/rs6000/rs6000.c: Include tm-constrs.h.
4832 (num_insn_constant_wide): Convert to satisfies_constraint.
4833 (rs6000_rtx_costs): Convert to satisfies_constraint.
4834 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4835 (CONST_OK_FOR_LETTER_P): Delete.
4836 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4837 (EXTRA_CONSTRAINT): Delete.
4838 (EXTRA_MEMORY_CONSTRAINT): Delete.
4839 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4840 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4841 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4842 satisfies_constraint.
4844 * config/i386/i386.c: Include tm-constrs.h.
4846 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4848 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4849 * tree-data-ref.c (find_data_references_in_loop,
4850 compute_data_dependences_for_loop): Use pointers to VEC.
4851 (analyze_all_data_dependences): Adjust calls.
4852 * tree-data-ref.h (find_data_references_in_loop,
4853 compute_data_dependences_for_loop): Adjust declarations.
4854 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4855 compute_data_dependences_for_loop.
4857 2006-03-29 Paul Brook <paul@codesourcery.com>
4859 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4862 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4864 PR tree-optimization/26859
4865 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4867 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4868 for the step after fold_convert.
4870 2006-03-29 Paul Brook <paul@codesourcery.com>
4872 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4873 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4875 2006-03-29 Paul Brook <paul@codesourcery.com>
4878 * targhooks.c (default_narrow_bitfield): New fuction.
4879 * targhooks.h (default_narrow_bitfield): add prototype.
4880 * target.h (gcc_target): Add narrow_volatile_bitfield.
4881 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4882 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4883 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4884 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4886 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4888 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4890 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4891 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4892 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4893 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4894 (s390_function_arg_float): Allow SDmode and DDmode values to be
4895 passed in floating point registers.
4896 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4897 check with SCALAR_FLOAT_MODE_P.
4898 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4900 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4902 PR tree-optimization/25985
4903 * tree-ssa-loop-niter.c (number_of_iterations_le,
4904 number_of_iterations_ne): Make comments more precise.
4905 (number_of_iterations_cond): Add only_exit argument. Use the
4906 fact that signed variables do not overflow only when only_exit
4908 (loop_only_exit_p): New.
4909 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4910 number_of_iterations_cond.
4912 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4914 PR tree-optimization/26643
4915 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4918 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4920 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4921 (divsi3_i4_int): Likewise.
4923 2006-03-28 Roger Sayle <roger@eyesopen.com>
4925 * expr.c (emit_group_store): Only create a new pseudo reg if the
4926 quantity it needs to hold isn't already a suitable pseudo.
4928 2006-03-28 Jeff Law <law@redhat.com>
4930 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4931 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4933 2006-03-28 Roger Sayle <roger@eyesopen.com>
4935 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4936 the equivalent ~X & Y, and the symmetry related transformations.
4937 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4938 ~X & Y, and symmetry related transforms.
4940 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4942 Revert my 2006-03-27 patches.
4944 2006-03-28 Roger Sayle <roger@eyesopen.com>
4946 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4947 ~(T1)X, when T1 and T2 are integer types of the same precision
4948 and (T2)X isn't an extension.
4950 2006-03-28 Jeff Law <law@redhat.com>
4952 PR tree-optimization/26796
4953 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4954 need EH edge cleanups rather than purging them immediately.
4955 (eliminate_degenerate_phis): Handle queued EH cleanups.
4957 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4959 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4962 2006-03-27 Roger Sayle <roger@eyesopen.com>
4965 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4966 cast BIT_NOT_EXPR operand to the correct type.
4968 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4970 * tree-loop-linear.c: Don't include varray.h.
4971 (gather_interchange_stats, try_interchange_loops,
4972 linear_transform_loops): Use VEC instead of VARRAY.
4973 * lambda-mat.c: Don't include varray.h.
4974 * tree-chrec.c: Same.
4975 * lambda-trans.c: Same.
4976 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4977 VEC instead of VARRAY.
4978 * tree-vectorizer.h: Idem.
4979 * tree-data-ref.c (dump_data_references,
4980 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4981 initialize_data_dependence_relation, finalize_ddr_dependent,
4982 compute_all_dependences, find_data_references_in_loop,
4983 compute_data_dependences_for_loop, analyze_all_data_dependences,
4984 free_dependence_relation, free_dependence_relations,
4985 free_data_refs): Idem.
4986 * tree-data-ref.h (data_reference_p, subscript_p): New.
4987 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4988 VEC instead of VARRAY.
4989 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4990 (find_data_references_in_loop, compute_data_dependences_for_loop,
4991 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4992 dump_data_dependence_relations, free_dependence_relations,
4993 free_data_refs): Adjust declaration.
4994 (lambda_transform_legal_p): Move declaration here...
4995 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4996 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4997 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4998 vect_analyze_data_refs): Use VEC instead of VARRAY.
4999 * lambda.h (lambda_transform_legal_p): ...from here.
5000 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5001 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5002 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5003 tree-chrec.o): Don't depend on VARRAY_H.
5005 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5007 * rtl.def (Copyright): Update date.
5008 (DEPS_LIST): Change type of the second operand to 'int'.
5009 * target.h (Copyright): Update date.
5010 (struct gcc_target.speculate_insn): Change type of the second parameter
5012 * lists.c (Copyright): Update date.
5013 (alloc_DEPS_LIST): Change signature. Update reference to the second
5014 operand of the DEPS_LIST.
5015 (copy_DEPS_LIST_list): Update reference to the second operand of the
5017 * rtl.h (Copyright): Update date.
5018 (alloc_DEPS_LIST): Update signature.
5019 * sched-int.h (Copyright): Update date.
5020 (ds_t): Change typedef to 'int'.
5021 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5023 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5025 * haifa-sched.c (Copyright): Update date.
5026 (try_ready): Change condition to restore non-speculative pattern
5028 (process_insn_depend_be_in_spec): Code to keep probability of the
5029 speculative dependence non-decreasing.
5031 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5033 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5034 shut up the compiler.
5036 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5038 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5039 to use lib prefix for target.
5040 ($(T)libic_invalidate_array_4-200.a): Likewise.
5041 ($(T)libic_invalidate_array_4a.a): Likewise.
5043 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5044 J"orn Rennecke <joern.rennecke@st.com>
5046 * superh.opt: New file.
5047 * sh.c (boardtype, osruntime): Remove.
5048 * superh.h (SUBTARGET_OPTIONS): Remove.
5049 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5051 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5052 arguments with ^ and/or [].
5054 * config.gcc (sh-*-*): Add quoting to account for quirk of
5056 Replace == with = in enable_incomplete_targets test.
5058 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5059 with MASK_LITTLE_ENDIAN.
5061 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5062 * config/sh/sh.opt: Added to some comments.
5063 * config/sh/superh.h: Removed some chaff.
5065 * config/sh/sh.opt: Add m4-[1234]00* options.
5066 * config/sh/sh.c (sh_handle_option): Likewise.
5067 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5068 (ic_invalidate_array_4-100.o): New rule.
5069 ($(T)libic_invalidate_array_4-100.a): Likewise.
5070 (ic_invalidate_array_4-200.o): Likewise.
5071 ($(T)libic_invalidate_array_4-200.a): Likewise.
5072 (ic_invalidate_array_4a.o): Likewise.
5073 ($(T)libic_invalidate_array_4a.a): Likewise.
5074 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5075 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5077 * config/sh/crt1.asm: Merged in profiling code.
5078 * config/sh/superh.h (STARTFILE_SPEC): Override.
5079 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5080 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5081 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5083 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5084 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5085 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5087 * sh.opt (mpretend-cmove): New option.
5088 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5089 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5090 (movsicc): Add TARGET_PRETEND_CMOVE code.
5092 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5094 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5095 s390_class_max_nregs): New function prototypes.
5096 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5097 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5098 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5099 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5101 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5103 * dwarf2out.c (add_location_or_const_value_attribute): Call
5104 tree_add_const_value_attribute if nothing else works.
5105 (reference_to_unused): New.
5106 (rtl_for_decl_init): Use reference_to_unused to decide whether
5107 to output an initializer.
5109 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5112 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5113 peephole removing spe frob_di_df_2.
5115 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5117 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5118 (subscript_dependence_tester_1): Declared.
5119 (print_dir_vectors, print_dist_vectors): New.
5120 (debug_data_dependence_relation): New.
5121 (dump_data_dependence_relation): Print more details.
5122 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5123 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5124 (save_dist_v, save_dir_v, add_outer_distances,
5125 build_classic_dist_vector_1): New.
5126 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5127 Don't test for lambda_vector_lexico_pos.
5128 (same_access_functions, add_multivariate_self_dist,
5129 add_other_self_distances, dir_from_dist): New.
5130 (build_classic_dir_vector): Replace implementation almost identical to
5131 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5133 (subscript_dependence_tester_1): New.
5134 (subscript_dependence_tester): Handle the lexicographically negative
5135 distance vectors by recomputing the dependence relation.
5136 (compute_affine_dependence): Remove parameter loop_nest_depth.
5137 (compute_self_dependence): Don't call compute_subscript_distance.
5138 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5139 Add a parameter for the loop_nest.
5140 (find_loop_nest_1, find_loop_nest): New.
5141 (compute_data_dependences_for_loop): Compute the loop nest, and give
5142 up if the nest is not well formed.
5143 * tree-data-ref.h (loop_p): New.
5144 (struct data_dependence_relation): Replace size_vect field with
5145 loop_nest, a vec of loops.
5146 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5147 (DDR_LOOP_NEST): New.
5148 (print_dir_vectors, print_dist_vectors,
5149 debug_data_dependence_relation): Declared.
5150 (index_in_loop_nest): New.
5151 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5152 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5155 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5157 * simplify-rtx.c (simplify_relational_operation): Call
5158 simplify_relational_operation_1 even if mode is VOIDmode.
5160 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5162 PR tree-optimization/26804
5163 * tree.h (DECL_CALL_CLOBBERED): New macro.
5164 (tree_decl_common): Add call_clobbered_flag.
5165 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5166 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5167 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5168 (mark_non_addressable): Ditto.
5169 * tree-ssa.c (verify_call_clobbered): New function.
5170 (verify_alias_info): Use it.
5171 * tree-pass.h (pass_reset_cc_flags): New prototype.
5172 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5173 (reset_cc_flags): New function.
5174 * passes.c (init_optimization_passes): Call reset_cc_flags after
5175 initializing referenced_vars.
5177 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5178 Roger Sayle <roger@eyesopen.com>
5181 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5182 to 1.0 for non-real operands. Implement A / A optimization for
5185 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5187 * config/i386/i386.c (size_cost): Correct the comment for
5188 cost of storing fp registers.
5189 (i386_cost): Likewise.
5190 (i486_cost): Likewise.
5191 (pentium_cost): Likewise.
5192 (pentiumpro_cost): Likewise.
5193 (k6_cost): Likewise.
5194 (athlon_cost): Likewise.
5195 (k8_cost): Likewise.
5196 (pentium4_cost): Likewise.
5197 (nocona_cost): Likewise.
5198 (generic64_cost): Likewise.
5199 (generic32_cost): Likewise.
5201 2006-03-24 Denis Chertykov <denisc@overta.ru>
5203 * config/avr/avr-protos.h (extra_constraint): Delete.
5204 (extra_constraint_Q): New declaration.
5205 * config/avr/constraints.md: New file.
5206 * config/avr/avr.md: Include it.
5207 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5208 (TMP_REGNO, ZERO_REGNO): Likewise.
5209 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5210 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5211 (extra_constraint): Delete.
5212 (extra_constraint_Q): Test for memory constraint 'Q'.
5213 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5214 (REG_CLASS_FROM_LETTER): Delete.
5215 (CONST_OK_FOR_LETTER_P): Delete.
5216 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5217 (EXTRA_CONSTRAINT): Delete.
5218 (TMP_REGNO): Delete.
5219 (ZERO_REGNO): Delete.
5221 2006-03-24 Jeff Law <law@redhat.com>
5223 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5224 directly. Call mark_new_vars_to_rename slightly earlier.
5226 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5228 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5230 (gen_compile_unit_die): Use new language types for Objective-C and
5232 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5233 DW_LANG_C_plus_plus.
5236 * config/t-darwin (crt3.o): Work around bug 26840.
5237 * config/darwin-crt3.c: Rewrite.
5238 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5240 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5242 * doc/invoke.texi: Document -femit-class-debug-always
5243 * common.opt: Add -femit-class-debug-always.
5245 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5247 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5248 index and base register.
5249 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5250 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5251 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5252 REGNO_OK_FOR_INDEX_P.
5253 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5255 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5256 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5257 REG_OK_FOR_BASE_P): Definitions removed.
5259 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5262 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5263 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5264 set yet or weren't marked as local yet.
5266 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5268 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5271 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5273 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5274 (rs6000_legitimate_small_data_p): Delete.
5275 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5276 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5277 and make static. Add forward declaration. Update uses.
5278 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5279 of offsettable_memref_p.
5280 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5281 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5283 2006-03-24 Jeff Law <law@redhat.com>
5285 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5286 around bug in immediate-use iterator.
5288 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5291 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5292 or __LITTLE_ENDIAN__.
5294 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5296 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5297 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5298 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5299 * config/sh/sh.opt (mdiv=): Amend description.
5300 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5301 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5302 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5303 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5304 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5305 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5306 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5307 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5308 TARGET_DIVIDE_CALL_FP.
5310 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5312 * haifa-sched.c (choose_ready): Fix type of the local variable.
5313 Move local variables. Add comment.
5314 (check_reg_live): Change signature. Make callable from debugger.
5315 * sched-int.h (check_reg_live): Update signature.
5316 * sched-ebb.c (check_reg_live): Update parameters.
5317 * sched-rgn.c (check_reg_live): Ditto.
5318 (region_head_or_leaf_p): Check pointer before dereferencing.
5319 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5320 before reload on optimization levels below 1.
5322 2006-03-23 Richard Henderson <rth@redhat.com>
5324 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5328 * config/alpha/predicates.md (local_symbolic_operand): Reject
5331 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5334 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5335 expressions which have overflowed constants.
5337 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5339 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5341 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5343 * cfgloopmanip.c (create_loop_notes): Removed.
5344 * final.c (final_scan_insn): Do not handle loop notes.
5345 * jump.c (squeeze_notes): Ditto.
5346 * cfglayout.c (skip_insns_after_block,
5347 duplicate_insn_chain): Ditto.
5348 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5350 * cfgloop.h (create_loop_notes): Declaration removed.
5352 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5354 * varasm.c (output_constant_pool): Restore fnname and fndecl
5356 (assemble_start_function): Adjust call accordingly.
5357 (assemble_end_function): Likewise.
5359 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5362 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5365 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5367 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5370 * system.h (ICE_EXIT_CODE): New macro.
5371 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5372 (diagnostic_action_after_output): Likewise.
5373 * gcc.c (fatal_ice): New function.
5374 (execute): Use it instead of fatal.
5375 (fancy_abort): Likewise.
5376 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5378 2006-03-22 Jeff Law <law@redhat.com>
5380 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5381 iv_analyze_result returning false.
5383 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5385 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5387 2006-03-22 Richard Henderson <rth@redhat.com>
5390 * except.c (duplicate_eh_regions_0): New.
5391 (duplicate_eh_region_1): Duplicate the children of the node as
5392 well as the node itself. Link them up properly.
5393 (duplicate_eh_region_2): Merge into ...
5394 (duplicate_eh_regions): ... here. Take copy_region argument, and
5395 copy only a sub-tree if asked. Simplify copying and fixup.
5396 (eh_region_outer_p): New.
5397 * except.h (duplicate_eh_regions): Update decl.
5398 (eh_region_outer_p): Declare.
5399 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5400 (lower_omp_master): Likewise.
5401 (lower_omp_ordered): Likewise.
5402 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5403 (move_stmt_r): Use it to remap labels. Handle recursion vs
5404 remap_decls_p properly.
5405 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5406 (find_outermost_region_in_block): New.
5407 (new_label_mapper): New.
5408 (move_sese_region_to_fn): Copy eh information to the new function
5410 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5412 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5415 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5417 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5418 into shared libraries.
5420 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5422 * doc/md.texi: Refer to i386/constraints.md instead of
5424 * config/i386/constraints.md: New file, extracted from...
5425 * config/i386/predicates.md: ...here.
5426 * config/i386/i386.md: Include constraints.md.
5428 2006-03-21 Jason Merrill <jason@redhat.com>
5430 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5433 * expr.c (init_block_move_fn): Force default visibility.
5434 (init_block_clear_fn): Likewise.
5435 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5436 * targhooks.c (default_external_stack_protect_fail): Likewise.
5438 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5440 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5441 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5442 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5443 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5444 (loadgp): Use mips_current_loadgp_style.
5445 (loadgp_noshared): New pattern.
5446 (sibcall_internal): Use MIPS_CALL.
5447 (sibcall_value_internal): Likewise.
5448 (sibcall_value_multiple_internal): Likewise.
5449 (call_internal): Likewise.
5450 (call_value_internal): Likewise.
5451 (call_value_multiple_internal): Likewise.
5452 (call_split): Use MIPS_CALL and add an 'S' constraint.
5453 (call_value_split): Likewise.
5454 (call_value_multiple_split): Likewise.
5455 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5456 (-mshared): New option.
5457 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5458 (mips_current_loadgp_style): Declare.
5459 * config/mips/mips.c (mips_classify_symbol): Avoid using
5460 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5461 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5462 TARGET_ABSOLUTE_ABICALLS.
5463 (override_options): Adjust comments. Improve the warning that is
5464 issued when -mabicalls and -G are used together.
5465 (mips_file_start): Remove comment.
5466 (mips_current_loadgp_style): New function.
5467 (mips_gnu_local_gp): New variable.
5468 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5470 (mips_output_function_prologue): Use mips_current_laodgp_style.
5471 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5472 the cprestore instruction.
5473 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5474 live for TARGET_ABSOLUTE_ABICALLS.
5475 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5476 (ASM_SPEC): Pass down -mshared and -mno-shared.
5477 (MIPS_CALL): New macro.
5478 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5480 * doc/invoke.texi (-mabicalls): Update documentation.
5481 (-mshared): Document.
5483 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5485 * config/ia64/unwind-hpux.c: New file.
5486 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5488 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5491 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5493 2006-03-21 Jeff Law <law@redhat.com>
5495 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5496 type conversions of a VR_VARYING source to a wider type.
5498 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5500 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5501 tm_file on Solaris 10 and later.
5502 (sparc64-*-solaris2*): Likewise.
5503 (sparc-*-solaris2*): Likewise.
5504 * config/sol26.h: Rename to config/sol2-6.h.
5505 * config/sol2-10.h: New file.
5507 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5510 * tree-ssa-pre.c (create_component_ref_by_pieces):
5513 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5516 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5517 return it immediately.
5519 2006-03-21 Michael Matz <matz@suse.de>
5521 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5523 (remove_arc, add_arc): Update num_out_arcs member.
5524 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5526 (cache_presence): New function.
5527 (compare_states_for_equiv): New function.
5528 (state_is_differed): Don't take number of outargs, adjust callers.
5529 Use new invariant for speeding up.
5530 (init_equiv_class): Create initial classes based on sorted
5532 (partition_equiv_class): Don't track out_arcs_num.
5533 (evaluate_equiv_classes): Call cache_presence on all states and
5536 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5538 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5539 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5540 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5541 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5543 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5544 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5545 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5546 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5547 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5549 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5550 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5551 (REGNO_REG_CLASS): ARGP is in PREGS.
5552 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5554 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5555 to deal with those addresses.
5556 * addresses.h: New file.
5557 * caller-save.c: Include "addresses.h".
5558 (init_caller_save): Use new base_reg_class function.
5559 * rtl-factoring.c: Include "addresses.h".
5560 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5561 * recog.c: Include "addresses.h".
5562 (preprocess_constraints): Use new base_reg_class function.
5563 * regrename.c: Include "addresses.h".
5564 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5565 functions. Keep track of a new var INDEX_CODE to compute valid
5567 (replace_oldest_value_addr): Likewise.
5568 (replace_oldest_value_mem): Use base_reg_class.
5569 * reload.c: Include "addresses.h".
5570 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5571 (find_reloads): Use new base_reg_class function.
5572 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5573 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5574 all callers and prototype changed.
5575 * reload1.c: Include "addresses.h".
5576 (maybe_fix_stack_asms): Use base_reg_class.
5577 * regclass.c: Include "addresses.h".
5578 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5579 (init_reg_autoinc): Use new base_reg_class function.
5580 (record_reg_classes): Likewise.
5581 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5582 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5583 Use new args to compute necessary class.
5585 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5586 regrename.o, rtl-factoring.o): Update dependencies.
5587 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5588 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5589 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5590 REG_OK_FOR_INDEX_P): Delete documentation.
5592 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5594 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5595 from V7 to V9 for Solaris 7 and above.
5597 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5599 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5600 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5601 argument pointers may not alias any other storage.
5602 * common.opt: Define option -fargument-noalias-anything.
5603 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5604 alias semantics is specified by flag_argument_noalias > 2.
5606 2006-03-20 Jeff Law <law@redhat.com>
5608 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5609 (pass_phi_only_cprop): Declare.
5610 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5612 * tree-ssa-dom.c (degenerate_phi_result): New function.
5613 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5614 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5615 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5616 (eliminate_degenerate_phis): Likewise.
5617 (pass_phi_only_cprop): New pass descriptor.
5618 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5619 support code. Callers updated.
5620 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5621 (store_copy_prop): Likewise.
5622 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5624 2006-03-20 Jason Merrill <jason@redhat.com>
5627 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5628 (push_visibility, pop_visibility): Likewise.
5629 * c-pragma.h: Declare them.
5631 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5633 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5635 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5636 parameter and use get_ebb_head_tail.
5637 (sh_md_init_global): Adjust uses of find_regmode_weight.
5639 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5641 * function.h (struct function) <x_tail_recursion_reentry>:
5642 Rename to x_stack_check_probe_note.
5643 (tail_recursion_reentry): Rename to stack_check_probe_note.
5644 * function.c: Replace tail_recursion_reentry with
5645 stack_check_probe_note everywhere.
5646 (expand_function_start): Only emit a note for
5647 stack_check_probe_note with -fstack-protect.
5648 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5650 * emit-rtl.c (remove_unnecessary_notes): Remove.
5651 (pass_remove_unnecessary_notes): Remove.
5652 * rtl.h (remove_unnecessary_notes): Remove prototype.
5653 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5654 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5655 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5657 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5660 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5661 (valid_in_set): Handle ARRAY_REF.
5662 Change "if min_variant or VH" to asserts.
5663 (create_component_ref_by_pieces): Handle ARRAY_REF.
5664 (create_expression_by_pieces): Likewise.
5665 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5667 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5669 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5670 is operand of switch, not str[0].
5672 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5674 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5675 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5677 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5679 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5680 end of insn_extra_address_constraint declaration.
5682 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5684 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5685 (no-sum-in-toc): Same.
5686 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5688 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5689 NO_FP_IN_TOC for -fPIC instead of mask.
5691 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5692 (BOOT_LDFLAGS): Delete.
5694 * config/rs6000/t-aix52: Same.
5696 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5697 (stmsi[345678]_power): New.
5699 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5701 * config/ia64/ia64.opt: Add empty line to end of file.
5703 2006-03-17 Richard Guenther <rguenther@suse.de>
5706 * builtins.c (get_pointer_alignment): For component style references
5707 adjust alignment to the component type alignment. Make sure
5708 to adjust alignment for component access of constants.
5710 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5712 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5715 2006-03-17 Paul Brook <paul@codesourcery.com>
5717 * doc/install.texi: Docuemnt --with-mode.
5718 * config.gcc: Add --with-mode for arm*-*-*.
5719 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5721 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5723 * sh.c (max_labelno_before_reorg): New variable.
5724 (sh_reorg): Initialize it.
5725 (find_barrier): Check max_labelno_before_reorg before using
5726 label_to_alignment. Take length of explicit alignment insns
5727 into account. When seeing a UNSPECV_CONST_END, return it.
5729 * sh.c (fixup_mova): Set mode of affected label to QImode.
5730 (untangle_mova): New function.
5731 (find_barrier): Use it. Check mode of label before decrementing
5733 (sh_reorg): Likewise.
5734 Set mode of all insns back to VOIDmode.
5736 * sh.c (MOVA_LABELREF): New macro.
5737 (mova_p, fixup_mova, sh_reorg): Use it.
5738 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5739 ADDR_DIFF_VEC matches mova.
5741 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5743 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5744 with ATTRIBUTE_UNUSED.
5746 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5748 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5749 pointer, instead of assuming it is possible to derive the
5750 correct args size from a call insn.
5752 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5754 * rtl.h (CONST_INT_P): Define.
5755 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5756 instead of GET_CODE(x) == CONST_INT.
5757 (vax_rtx_costs): Likewise.
5758 (vax_output_int_move): Likewise.
5759 (vax_output_int_add): Likewise.
5760 (legitimate_constant_address_p): Likewise.
5761 (index_term_p): Likewise.
5762 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5763 * config/vax/vax.md (and<mode>3): Likewise.
5764 (ashrsi3): Likewise.
5766 (movstricthi): Likewise.
5767 (movstrictqi): Likewise.
5768 (rotrsi3): Likewise.
5769 (five unnamed insns): Likewise.
5771 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5773 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5774 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5775 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5776 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5777 Pass to ASM_OUTPUT_DWARF_OFFSET.
5778 * dwarf2out.c (debug_frame_section): New.
5779 (output_call_frame_info): Use debug_frame_section. Pass it to
5780 dw2_asm_output_offset.
5781 (output_die): Pass appropriate section to dw2_asm_output_offset.
5782 (output_compilation_unit_header): Likewise.
5783 (output_pubnames): Likewise.
5784 (output_aranges): Likewise.
5785 (enum dw_val_class): Break dw_val_class_lbl_offset into
5786 dw_val_class_lineptr and dw_val_class_macptr.
5787 (add_AT_lbl_offset): Delete.
5788 (add_AT_lineptr): New.
5789 (add_AT_macptr): New.
5790 (AT_lbl): Expect a lineptr or macptr.
5791 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5792 (attr_checksum): Likewise.
5793 (same_dw_val_p): Likewise.
5794 (size_of_die): Likewise.
5795 (value_format): Likewise.
5796 (output_die): Likewise.
5797 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5799 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5800 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5801 * config/darwin-protos.h (darwin_file_start): New.
5802 (darwin_asm_output_dwarf_offset): New.
5803 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5804 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5806 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5807 if not EH section; simplify.
5808 (darwin_file_start): New.
5809 (darwin_asm_output_dwarf_offset): New.
5810 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5812 (DEBUG_INFO_SECTION): Likewise.
5813 (DEBUG_ABBREV_SECTION): Likewise.
5814 (DEBUG_ARANGES_SECTION): Likewise.
5815 (DEBUG_MACINFO_SECTION): Likewise.
5816 (DEBUG_LINE_SECTION): Likewise.
5817 (DEBUG_LOC_SECTION): Likewise.
5818 (DEBUG_PUBNAMES_SECTION): Likewise.
5819 (DEBUG_STR_SECTION): Likewise.
5820 (DEBUG_RANGES_SECTION): Likewise.
5821 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5822 (ASM_OUTPUT_DWARF_OFFSET): New.
5824 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5826 * config.gcc (tm_defines): Always add to previous value rather
5829 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5831 * config/mips/predicates.md (splittable_const_int_operand): New,
5832 split from move_operand.
5833 (splittable_symbolic_operand): New.
5834 (move_operand): Add commentary. Use splittable_const_int_operand.
5835 Inline mips_atomic_symbolic_constant_p.
5836 * config/mips/mips.md: Add combine splitters for handling moves
5837 of splittable_const_int_operands and splittable_symbolic_operands.
5838 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5839 (mips_split_symbol): Declare.
5840 (mips_move_integer): Declare.
5841 * config/mips/mips.c (mips_split_p): Make global.
5842 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5843 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5844 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5845 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5846 (mips_offset_within_object_p): Handle block symbols.
5847 (mips_atomic_symbolic_constant_p): Delete.
5848 (mips_cannot_force_const_mem): Return false for constants that
5849 mips_legitimize_move can handle.
5850 (mips_use_blocks_for_constant_p): New function.
5851 (mips_split_symbol): Make global.
5852 (mips_move_integer): Likewise. Add a temporary register argument.
5853 (mips_legitimize_const_move): Use splittable_const_int_operand and
5854 splittable_symbolic_operand.
5855 (mips_use_anchors_for_symbol_p): New function.
5856 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5857 (mips_split_p): Declare.
5859 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5861 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5862 (mips*-*-linux*): Likewise.
5864 2006-03-16 Roger Sayle <roger@eyesopen.com>
5865 Daniel Speyer <dspeyer@wam.umd.edu>
5868 * tree-dump.c (dump_real): New function.
5869 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5870 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5871 (tree-dump.o): Add $(REAL_H) to the dependencies.
5873 2006-03-16 Roger Sayle <roger@eyesopen.com>
5876 * real.c (real_from_string): If the mantissa is zero, don't bother
5877 parsing the exponent as the result should always be zero.
5879 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5881 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5883 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5885 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5886 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5887 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5888 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5889 ia64_sched_finish_global): New static functions to implement
5890 hooks from gcc_target.sched.
5891 (spec_check_no, max_uid, pending_data_specs): New static variables.
5892 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5893 ia64_spec_check_src_p): New static functions.
5894 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5895 (TARGET_SCHED_ADJUST_COST): Removed.
5896 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5897 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5898 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5899 TARGET_SCHED_GEN_CHECK,
5900 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5901 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5902 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5903 Fixed to handle speculation checks.
5904 (rtx_needs_barrier): Fixed to handle speculative loads and
5906 (ia64_variable_issue): Added code to count speculative loads and their
5908 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5910 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5912 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5914 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5915 (ia64_reorg): Reset stops_p to NULL after it is freed.
5916 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5917 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5918 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5920 (data_speculative, control_speculative, check_load): New attributes.
5921 (mov<mode>_advanced, mov<mode>_speculative,
5922 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5923 zero_extend<mode>di2_speculative,
5924 zero_extend<mode>di2_speculative_advanced): New patterns for
5925 data and control speculative loads.
5926 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5928 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5929 New pattern for data and control speculation checks.
5930 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5931 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5932 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5933 Auxiliary definitions for the patterns.
5934 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5935 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5937 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5939 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5940 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5941 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5942 New resource constraints.
5943 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5945 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5946 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5947 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5948 msched-in-control-spec, msched-ldc, msched-control-ldc,
5949 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5950 msched-prefer-non-control-spec-insns,
5951 msched-count-spec-in-critical-path): New flags to tune speculative
5953 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5954 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5955 msched-in-control-spec, msched-ldc, msched-control-ldc,
5956 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5957 msched-prefer-non-control-spec-insns,
5958 msched-count-spec-in-critical-path): Document new flags.
5960 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5962 * target.h (struct spec_info_def): New opaque declaration.
5963 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5964 speculate_insn, needs_block_p, gen_check,
5965 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5966 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5967 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5968 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5969 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5970 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5972 (TARGET_SCHED): Use new macros.
5973 * rtl.h (copy_DEPS_LIST_list): New prototype.
5974 * sched-int.h (struct sched_info): Change signature of new_ready field,
5975 adjust all initializations. New fields: add_remove_insn,
5976 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5977 region_head_or_leaf_p.
5978 (struct spec_info_def): New structure declaration.
5979 (spec_info_t): New typedef.
5980 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5981 recovery_block, orig_pat.
5982 (glat_start, glat_end): New variables declaraions.
5983 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5985 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5986 DETACH_LIFE_INFO, USE_GLAT.
5987 (enum SPEC_SCHED_FLAGS): New enumeration.
5988 (NOTE_NOTE_BB_P): New macro.
5989 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5990 attach_life_info, debug_spec_status, check_reg_live): New functions.
5991 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5992 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5994 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5995 * ddg.c (get_block_head_tail): Adjust all uses.
5996 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5997 (sms_sched_info): Initialize new fields.
5998 (contributes_to_priority): Removed.
5999 * haifa-sched.c (params.h): New include.
6000 (get_block_head_tail): Adjust all uses.
6001 (ISSUE_POINTS): New macro.
6002 (glat_start, glat_end): New global variables.
6003 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6004 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6005 old_last_basic_block, before_recovery, current_sched_info_var,
6006 rgn_n_insns, luid): New static variables.
6007 (insn_cost1): New function. Move logic from insn_cost to here.
6008 (find_insn_reg_weight1): New function. Move logic from
6009 find_insn_reg_weight to here.
6010 (reemit_notes, move_insn, max_issue): Change signature.
6011 (move_insn1): Removed.
6012 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6013 extend_bb): New static functions to support extension of scheduler's
6015 (generate_recovery_code, process_insn_depend_be_in_spec,
6016 begin_speculative_block, add_to_speculative_block,
6017 init_before_recovery, create_recovery_block, create_check_block_twin,
6018 fix_recovery_deps): New static functions to support
6019 generation of recovery code.
6020 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6021 restore_bb_notes, move_block_after_check, move_succs): New static
6022 functions to support ebb scheduling.
6023 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6024 functions to support handling of register live information.
6025 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6026 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6027 add_jump_dependencies): New static functions.
6028 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6029 consistancy checking.
6030 (debug_spec_status): New function to call from debugger.
6031 (priority): Added code to handle speculation checks.
6032 (rank_for_schedule): Added code to distinguish speculative instructions.
6033 (schedule_insn): Added code to handle speculation checks.
6034 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6035 Fixed to handle ebbs.
6036 (move_insn): Added code to handle ebb scheduling.
6037 (max_issue): Added code to use ISSUE_POINTS of instructions.
6038 (choose_ready): Added code to choose between speculative and
6039 non-speculative instructions.
6040 (schedule_block): Added code to handle ebb scheduling and scheduling of
6041 speculative instructions.
6042 (sched_init): Initialize new variables.
6043 (sched_finish): Free new variables. Print statistics.
6044 (try_ready): Added code to handle speculative instructions.
6045 * lists.c (copy_DEPS_LIST_list): New function.
6046 * sched-deps.c (extend_dependency_caches): New function. Move logic
6047 from create_dependency_caches to here.
6048 (get_dep_weak, ds_merge): Make global.
6049 * genattr.c (main): Code to output prototype for
6050 dfa_clear_single_insn_cache.
6051 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6052 (output_dfa_clean_insn_cache_func): Code to output
6053 dfa_clear_single_insn_cache function.
6054 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6056 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6058 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6059 New static variables.
6060 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6061 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6063 (ebb_sched_info): Initialize new fields.
6064 (get_block_head_tail): Adjust all uses.
6065 (compute_jump_reg_dependencies): Fixed to use glat_start.
6066 (schedule_ebb): Code to remove unreachable last block.
6067 (schedule_ebbs): Added code to update register live information.
6068 * sched-rgn.c (region_sched_info): Initialize new fields.
6069 (get_block_head_tail): Adjust all uses.
6070 (last_was_jump): Removed. Adjust users.
6071 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6072 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6073 Implement new hooks.
6074 (check_dead_notes1): New static function.
6075 (struct region): New fields: dont_calc_deps, has_real_ebb.
6076 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6077 (BB_TO_BLOCK): Fixed to handle EBBs.
6078 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6079 (ebb_head): New static variable.
6080 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6081 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6083 (compute_dom_prob_ps): New assertion.
6084 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6085 global_live_at_start.
6086 (init_ready_list): New assertions.
6087 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6088 (new_ready): Add support for BEGIN_CONTROL speculation.
6089 (schedule_insns): Fixed code that updates register live information
6091 (schedule_region): Fixed to handle EBBs.
6092 (init_regions): Use extend_regions and check_dead_notes1.
6093 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6094 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6095 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6096 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6097 TARGET_SCHED_GEN_CHECK,
6098 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6099 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6100 * doc/invoke.texi (max-sched-insn-conflict-delay,
6101 sched-spec-prob-cutoff): Document.
6103 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6105 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6106 inter_tick, queue_index.
6107 (struct sched_info): Change signature of init_ready_list field.
6108 Adjust all initializations.
6109 (RESOLVED_DEPS): New access macro.
6110 (ready_add): Remove prototype.
6111 (try_ready): Add prototype.
6112 * sched-rgn.c (init_ready_list): Use try_ready.
6113 (schedule_region): Initialize
6114 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6115 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6116 (init_ready_list): Use try_ready.
6117 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6118 * lists.c (remove_list_elem): Remove `static'.
6119 (remove_free_INSN_LIST_elem): New function.
6120 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6121 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6122 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6124 (readyp): New variable.
6125 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6126 change_queue_index, resolve_dep): New static functions.
6127 (try_ready): New function. Adjust callers in sched-rgn.c and
6128 sched-ebb.c to use it instead of ready_add.
6129 (clock_var): Move at the begining of file.
6130 (rank_for_schedule): Fix typo.
6131 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6132 (ready_lastpos): Enforce assertion.
6133 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6135 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6136 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6137 (queue_to_ready): Use free_INSN_LIST_list.
6138 (early_queue_to_ready): Fix typo.
6139 (schedule_block): Init readyp. Move init_ready_list call after the
6140 initialization of clock_var. Fix error in rejecting insn by
6141 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6142 that previously corrected INSN_TICKs. Add code for handling
6144 (set_priorities): Fix typo.
6145 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6146 Clarify comment and code that keeps current_sched_info->next_tail
6149 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6151 * sched-rgn.c (extend_rgns): New static function.
6152 (find_rgns): Use it.
6153 (gather_region_statistics, print_region_statistics): New static
6155 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6156 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6158 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6159 Andrey Belevantsev <abel@ispras.ru>
6161 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6162 * lists.c (unused_deps_list): New variable.
6163 (free_list): Add assertions to verify the proper distinguishing
6164 between INSN_LISTs and DEPS_LISTs.
6165 (find_list_elem, remove_list_elem, remove_list_node): New static
6167 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6168 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6169 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6170 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6172 (free_INSN_LIST_node): Likewise.
6173 * modulo-sched.c (current_sched_info): Initialize flags field.
6174 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6175 * rtl.def (DEPS_LIST): Define.
6176 * rtl.h: Declare new functions from lists.c.
6177 * sched-deps.c (spec_dependency_cache): New static variable.
6178 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6179 (add_dependence): Change return type to void. Move the logic to ...
6180 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6181 (delete_all_dependences): Add comment about forward_dependency_cache.
6182 Handle spec_dependency_cache. Handle DEPS_LISTs.
6183 (fixup_sched_groups): Clarify the change of priority of output
6184 and anti dependencies.
6185 (sched_analyze_2): Adjust add_dependence calls to create data
6186 speculative dependence.
6187 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6188 Adjust all callers. Handle DEPS_LISTS.
6189 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6190 presence of speculation.
6191 (init_dependency_caches, free_dependency_caches):
6192 Handle spec_dependency_cache.
6193 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6194 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6195 New static functions.
6196 (add_or_update_back_dep, add_or_update_back_forw_dep,
6197 add_back_forw_dep, delete_back_forw_dep): New functions.
6198 * sched-int.h (ds_t, dw_t): New typedefs.
6199 (struct sched_info): Add new field flags.
6200 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6201 Prototype new sched-deps.c functions.
6202 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6203 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6204 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6205 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6206 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6207 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6209 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6211 * sched-rgn.c (current_sched_info): Initialize flags field.
6212 (schedule_insns): Initialize current_sched_info before the sched_init
6214 * sched-ebb.c (current_sched_info): Initialize flags field.
6215 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6216 Call add_or_update_back_dep instead of add_dependence.
6217 Create control speculative dependencies.
6218 (schedule_insns): Initialize current_sched_info before the sched_init
6221 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6223 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6225 (sh_fallback_frame_state): Likewise.
6227 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6229 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6230 Do switch on default_use_cxa_atexit.
6231 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6232 * config/darwin-crt3.o: New.
6233 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6234 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6235 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6237 * config/rs6000/t-darwin: Move crt2.o building to here.
6238 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6239 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6242 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6244 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6245 from '! xxx' to '!xxx' for coding-style conformance.
6246 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6247 (EXTRA_CONSTRAINT): Likewise.
6248 * config/vax/vax.md (four unnamed insns): Likewise.
6250 2006-03-15 Paul Brook <paul@codesourcery.com>
6252 * config/arm/arm.c (minipool_pad): New.
6253 (add_minipool_forward_ref): Include pool alignment padding in address
6255 (push_minipool_fix): Set minipool_pad.
6256 (minipool_pad): Ditto.
6258 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6260 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6261 instead of GET_CODE() == MEM and REG_P() instead of
6263 (print_operand_address): Likewise.
6264 (vax_address_cost): Likewise.
6265 (vax_rtx_costs): Likewise.
6266 (vax_notice_update_cc): Likewise.
6267 (vax_output_int_add): Likewise.
6268 (INDEX_REGISTER_P): Likewise.
6269 (BASE_REGISTER_P): Likewise.
6270 (nonindexed_address_p): Likewise.
6271 (vax_mode_dependent_address_p): Likewise.
6272 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6273 (PRINT_OPERAND): Likewise.
6274 * config/vax/vax.md (ashlsi3): Likewise.
6275 (ashlsi3): Likewise.
6276 (some more unnamed insns): Likewise.
6278 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6280 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6281 iterator-style macro.
6282 (mark_control_dependent_edges_necessary): Update the use of
6283 EXECUTE_IF_CONTROL_DEPENDENT.
6285 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6287 * config/sh/predicates.md (cache_address_operand): Special.
6288 (ua_address_operand): Likewise.
6290 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6292 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6294 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6296 2006-03-15 Andreas Schwab <schwab@suse.de>
6298 * gensupport.c (identify_predicable_attribute): Don't free p_false
6299 when it is still in use.
6301 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6303 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6304 the default setting here.
6306 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6308 * tree-pass.h (pass_cfg): Remove.
6309 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6310 * passes.c (pass_cfg): Don't run it.
6312 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6314 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6315 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6317 (stack_regs_mentioned): Update the uses of
6318 stack_regs_mentioned_data. Don't access the array beyond its
6320 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6321 Don't include gt-reg-stack.h.
6323 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6324 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6326 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6329 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6332 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6334 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6336 2006-03-14 Richard Guenther <rguenther@suse.de>
6338 PR tree-optimization/26672
6339 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6342 2006-03-14 Richard Guenther <rguenther@suse.de>
6344 PR tree-optimization/26667
6345 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6346 node for the callees. Always allow inlining if it will shrink
6349 2006-03-14 Richard Guenther <rguenther@suse.de>
6352 * builtins.c (get_pointer_alignment): Prefer alignment
6353 information from decls over that from types.
6355 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6358 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6360 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6362 * config/rs6000/rs6000.opt (mdlmzb): New option.
6363 (msched-prolog, msched-epilog): Use Var not Mask.
6364 * doc/invoke.texi (-mdlmzb): Document.
6365 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6367 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6368 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6370 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6372 PR rtl-optimization/25739
6373 * bt-load.c (augment_live_range): Free tos pointer.
6375 * gensupport.c (identify_predicable_attribute): Free
6377 * gcov.c (create_file_names): Free name pointer.
6379 2006-03-13 Roger Sayle <roger@eyesopen.com>
6382 * stmt.c (emit_case_nodes): Handle the case where the index is a
6383 CONST_INT, where the comparison mode is specified by the index type.
6385 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6387 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6390 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6392 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6393 (*branch_fp_inverted): Likewise.
6395 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6398 * omp-low.c (expand_omp_for_generic): Mark istart0
6399 and iend0 as addressable.
6401 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6403 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6405 2006-03-13 Jeff Law <law@redhat.com>
6407 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6408 virtual operands are interesting.
6409 (vrp_visit_stmt): Corresponding changes.
6411 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6413 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6415 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6416 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6417 * config/bfin/crti.S: Use it instead of __PIC__.
6418 * config/bfin/crtn.S: Likewise.
6420 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6421 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6423 Lose 'G' modifier for call operand.
6424 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6425 recognize 'G' modifier.
6427 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6430 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6431 * stmt.c (expand_case): Likewise.
6433 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6435 PR rtl-optimization/26254
6436 * loop-invariant.c (seq_insns_valid_p): New function.
6437 (move_invariant_reg): Only emit new code if it is valid.
6439 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6441 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6443 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6444 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6445 (commit_one_edge_insertion): Do not look for loop notes.
6447 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6449 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6450 flag_test_coverage out of loop.
6452 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6454 * final.c (shorten_branches): Remove outdated comment, and turn
6455 the if branch that guards it to continue.
6457 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6459 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6460 * cfgloop.h (struct loop): Remove unused fields.
6462 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6464 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6465 (-dL, -fdump-rtl-loop2): Update the dump file names
6467 * doc/invoke.texi: Update dump file names.
6469 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6471 * predict.c (estimate_probability): Remove.
6472 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6473 * basic-block.h (estimate_probability): Remove prototype.
6474 * passes.c (finish_optimization_passes): Dump branch prediction or
6475 profiling heuristics to the .profile tree dump.
6476 (init_optimization_passes): Unqueue pass_branch_prob.
6478 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6480 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6482 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6483 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6485 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6487 * function.h (frame_offset_overflow): Declare.
6488 * function.c (frame_offset_overflow): New function.
6489 (assign_stack_local_1): Call it to detect that the offset overflows.
6490 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6492 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6494 * config/sh/sh.c: Include alloc-pool.h.
6495 (label_ref_list_pool): New alloc pool.
6496 (label_ref_list_t): New type for lists of labels.
6497 (struct pool_node): Make wend a label_ref_list_t.
6498 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6500 (dump_table): Likewise.
6501 (sh_reorg): Set up the alloc pool before using add_constant and
6502 dump_table, and destroy it when finishing.
6504 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6506 * config/mips/mips.c: Remove redundant comment.
6508 2006-03-10 Jason Merrill <jason@redhat.com>
6511 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6512 the target was declared 'register'.
6514 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6516 * genpreds.c (write_insn_constraint_len): Change definition of
6517 insn_constraint_len to return size_t to match the declaration.
6519 2006-03-10 DJ Delorie <dj@redhat.com>
6521 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6523 (m32c_expand_insv): Fix test for an AND mask.
6525 2006-03-10 Richard Guenther <rguenther@suse.de>
6528 * builtins.c (get_pointer_alignment): Handle component
6529 references for field alignment.
6531 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6533 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6534 when building with libgloss.
6535 (sh*elf): Implement --without-fp option.
6536 (sh64-superh-linux*): Don't multilib.
6538 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6540 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6542 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6544 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6545 Set it when one of the replacement functions returned true.
6546 Return TODO_cleanup_cfg if cfgchanged is true.
6547 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6549 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6551 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6552 instead of gen_lowpart.
6554 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6556 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6558 (mips_output_order_conditional_branch): Declare.
6559 * config/mips/mips.h (MIPS_BRANCH): New macro.
6560 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6561 for the comparison. Use gen_condjump.
6562 (mips_output_conditional_branch): Rework interface to take the
6563 asm templates for a direct branch and the inverse of a direct branch.
6564 (mips_output_order_conditional_branch): New function.
6565 (mips_builtin_branch_and_move): New function.
6566 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6567 branch condition. Use gen_single_cc as the condition for
6568 __builtin_mips_upper_* or __builtin_mips_lower_*.
6569 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6570 Use VOIDmode for the branch condition.
6571 * config/mips/predicates.md (order_operator): New predicate.
6572 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6573 (branch_fp): Rename to...
6574 (*branch_fp): ...this. Remove mode from comparison operator.
6575 Use new mips_output_conditional_branch interface.
6576 (branch_fp_inverted): Rename to...
6577 (*branch_fp_inverted): ...this and update as for *branch_fp.
6578 (*branch_zero<mode>): Rename to...
6579 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6580 Use mips_output_order_conditional_branch. Only accept ordered
6582 (*branch_zero<mode>_inverted): Rename to...
6583 (*branch_order<mode>_inverted): ...this and update as for
6584 *branch_order<mode>.
6585 (*branch_equality<mode>): Accept zero as the second operand to
6586 the equality operator. Use the new mips_output_conditional_branch
6588 (*branch_equality<mode>_inverted): Likewise.
6589 (condjump): New expander.
6590 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6592 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6593 (bc1any2t, bc1any2f): Likewise.
6594 (single_cc): New expander.
6595 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6597 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6599 * doc/md.texi: Update documentation of MIPS constraints.
6600 * config/mips/constraints.md: New file.
6601 * config/mips/mips.md: Include it.
6602 * config/mips/mips.c (mips_char_to_class): Delete.
6603 (override_options): Don't initialize mips_char_to_class.
6604 * config/mips/mips.h (mips_char_to_class): Delete.
6605 (REG_CLASS_FROM_LETTER): Delete.
6606 (CONST_OK_FOR_LETTER_P): Delete.
6607 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6608 (EXTRA_CONSTRAINT_Y): Delete.
6609 (EXTRA_CONSTRAINT_STR): Delete.
6610 (CONSTRAINT_LEN): Delete.
6611 (EXTRA_MEMORY_CONSTRAINT): Delete.
6613 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6615 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6616 original fn's eh regions.
6618 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6620 * fold-const.c (build_range_check): Make sure to use a valid type to
6621 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6624 (range_predecessor): New static function.
6625 (range_successor): Likewise.
6626 (merge_ranges): Use them to compute predecessors and successors of
6629 2006-03-09 Roger Sayle <roger@eyesopen.com>
6632 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6633 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6635 2006-03-08 DJ Delorie <dj@redhat.com>
6637 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6638 (addpsi3): Expand to include memory operands. Remove
6639 reload-specific splits.
6640 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6641 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6642 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6643 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6644 (shift1_qi, shift1_hi, insv): New.
6645 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6646 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6647 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6649 * config/m32c/m32c-protos.h: Update as needed.
6650 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6651 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6652 Fail for unrecognized R* constraints.
6653 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6654 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6655 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6657 (m32c_init_libfuncs): New.
6658 (m32c_legitimate_address_p): Add debug wrapper.
6659 (m32c_rtx_costs): New.
6660 (m32c_address_cost): New.
6661 (conversions): Add 'B' prefix.
6662 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6663 operands, or word regnames for QI operands. 'B' prints bit
6665 (m32c_expand_setmemhi): New.
6666 (m32c_expand_movmemhi): New.
6667 (m32c_expand_movstr): New.
6668 (m32c_expand_cmpstr): New.
6669 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6670 (m32c_expand_neg_mulpsi3): Handle non-ints.
6671 (m32c_cmp_flg_0): New.
6672 (m32c_expand_movcc): New.
6673 (m32c_expand_insv): New.
6674 (m32c_scc_pattern): New.
6675 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6676 a0/a1 out of SIregs.
6677 (STORE_FLAG_VALUE): New.
6678 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6681 * config/m32c/mov.md: Make constraints more liberal.
6682 (zero_extendqihi2): Optimize r0/r1 case.
6683 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6684 * config/m32c/predicates.md (m32c_any_operand): New.
6685 (m32c_nonimmediate_operand): New.
6686 (m32c_hl_operand): New.
6687 (m32c_r3_operand): New.
6690 (memsym_operand): New.
6691 (memimmed_operand): New.
6692 (a_qi_operand): New.
6693 (m32c_eqne_operator): New.
6694 (m32c_1bit8_operand): New.
6695 (m32c_1bit16_operand): New.
6696 (m32c_1mask8_operand): New.
6697 (m32c_1mask16_operand): New.
6698 * config/m32c/blkmov.md: New file.
6699 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6701 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6703 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6704 unsigned to fix signed/unsigned comparison issue in
6705 DWARF2_FRAME_REG_OUT.
6706 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6707 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6709 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6710 of ptr into the ENABLE_CHECKING section.
6712 2006-03-08 Jeff Law <law@redhat.com>
6714 * tree-vrp.c (infer_value_range): Only count pointer uses
6715 and dereferences if -fdelete-null-pointer-checks is enabled.
6717 * tree-vrp.c (find_assert_locations): Infer value ranges for
6718 single use pointers, but do not create ASSERT_EXPRs for them.
6719 When a non-null range is inferred for a pointer, backwards
6720 propagate that range to other equivalent pointers through the
6723 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6726 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6727 language hook targets.
6728 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6729 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6730 if language hook targets were missing.
6732 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6734 * tree-ssa-opfinalize.h: Removed.
6735 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6737 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6738 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6739 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6740 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6741 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6742 finalize_ssa_v_must_def_ops): New.
6744 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6746 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6749 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6751 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6753 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6754 addresses with offsets; reorganize.
6756 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6757 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6758 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6760 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6763 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6765 2006-03-08 Ben Elliston <bje@au.ibm.com>
6767 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6769 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6772 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6775 2006-03-07 Richard Guenther <rguenther@suse.de>
6777 PR tree-optimization/26587
6778 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6780 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6782 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6784 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6786 * hooks.c (hook_bool_mode_rtx_true): New function.
6787 * hooks.h (hook_bool_mode_rtx_true): Declare.
6788 * toplev.c (compile_file): Call output_shared_constant_pool.
6789 * varasm.c (shared_constant_pool): New variable.
6790 (assemble_start_function, assemble_end_function): Remove arguments
6791 from call to output_constant_pool.
6792 (create_constant_pool): New function, split out from...
6793 (init_varasm_status): ...here.
6794 (force_const_mem): Choose between the shared and per-function constant
6795 pools. Set current_function_uses_const_pool when reusing old entries
6796 as well as when creating new ones.
6797 (mark_constant): Ignore data argument.
6798 (mark_constants): Remove pool argument.
6799 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6800 to decide whether the function uses a constant pool.
6801 (output_constant_pool_contents): New function, split out from...
6802 (output_constant_pool): ...here.
6803 (output_shared_constant_pool): New function.
6804 (init_varasm_once): Initialize shared_constant_pool.
6805 * output.h (output_constant_pool): Delete.
6806 (output_shared_constant_pool): Declare.
6807 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6808 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6810 2006-03-06 Nick Clifton <nickc@redhat.com>
6812 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6813 flag_strength_reduce.
6815 2006-03-06 Ben Elliston <bje@au.ibm.com>
6817 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6818 x86_64-*-linux* configurations.
6820 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6821 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6823 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6825 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6827 * basic-block.h: Remove the extern for
6828 rediscover_loops_after_threading.
6830 * cfgloop.c (cancel_loop): Make it static.
6831 * cfgloop.h: Remove the prototype for cancel_loop.
6833 * flow.c (recompute_reg_usage): Make it static.
6834 * rtl.h: Remove the prototype for recompute_reg_usage.
6836 * function.c (use_return_register): Make it static.
6837 * function.h: Remove the prototype.
6839 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6841 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6843 * recog.h: Remove the prototype for
6844 validate_change_maybe_volatile.
6846 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6848 * rtlanal.c (replace_reg): Remove.
6849 * rtl.h: Remove the prototype for replace_reg.
6851 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6853 * regclass.c (reg_scan_update): Remove.
6854 (reg_scan_mark_refs): Remove the last argument.
6855 * rtl.h: Remove the prototype for reg_scan_update.
6857 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6859 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6860 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6861 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6862 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6863 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6864 loop-invariant.c, omp-low.c, opts.c, passes.c,
6865 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6866 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6867 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6868 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6869 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6870 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6872 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6874 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6875 * dwarf2out.h: Remove the prototype for
6876 dwarf2out_add_library_unit_info.
6878 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6880 * tree.c (add_var_to_bind_expr): Remove.
6881 * tree.h: Remove the prototype for add_var_to_bind_expr.
6883 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6885 * regclass.c (n_non_fixed_regs): Remove.
6886 (init_reg_sets_1, globalize_reg): Remove all uses of
6888 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6890 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6892 * rtlanal.c (insns_safe_to_move_p): Remove.
6893 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6895 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6897 * expmed.c (expand_mult_add): Remove.
6898 * expr.h: Remove the prototype for expand_mult_add.
6900 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6902 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6903 and REG_SAVED_VAL_EXP constants.
6904 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6905 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6906 Handle regs stored by value.
6907 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6908 (execute_cfa_program): Handle DW_CFA_val_offset,
6909 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6910 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6911 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6912 (uw_install_context_1): Handle target regs stored by value.
6914 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6916 * tree-sra.c (tree_sra): Return todoflags;
6917 (generate_one_element): Set TODO_update_smt_usage if needed.
6918 (pass_sra): Remove TODO_update_smt_usage.
6919 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6921 (tree_ssa_forward_propagate_single_use_vars): Return
6922 TODO_update_smt_usage if we need to update SMT usage.
6923 (pass_forwprop): Remove TODO_update_smt_usage.
6925 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6927 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6928 (correct_use_link): Remove reference to get_stmt_operands.
6929 (update_stmt_operands): Likewise.
6930 (get_modify_expr_operands): New function factored out of
6931 parse_ssa_operands and get_expr_operands.
6932 Try to create V_MUST_DEFs for LHS by default.
6933 (get_expr_operands) <case MODIFY_EXPR>: Call
6934 get_modify_expr_operands.
6935 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6936 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6937 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6938 get_modify_expr_operands.
6940 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6942 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6943 * tree-flow.h: Remove the prototype for
6944 referenced_var_lookup_if_exists.
6946 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6948 PR rtl-optimization/26345
6950 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6952 2006-03-03 Roger Sayle <roger@eyesopen.com>
6954 PR tree-optimization/26524
6955 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6956 fold_convert to create a constant of the appropriate type.
6958 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6960 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6961 SYMBOL_REF_IN_BLOCK_P.
6962 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6963 of SYMBOL_FLAG_IN_BLOCK.
6964 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6965 instead of SYMBOL_REF_IN_BLOCK_P.
6966 * explow.c (use_anchored_address): Likewise.
6967 * rtl.c (rtx_size): Likewise.
6968 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6969 instead of SYMBOL_FLAG_IN_BLOCK.
6970 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6971 SYMBOL_REF_IN_BLOCK_P.
6972 (assemble_variable): Likewise.
6973 (output_constant_def_contents): Likewise.
6974 (output_constant_pool): Likewise.
6975 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6976 instead of SYMBOL_FLAG_IN_BLOCK.
6977 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6978 SYMBOL_REF_IN_BLOCK_P.
6979 (SYMBOL_REF_BLOCK): Likewise.
6980 (SYMBOL_REF_OFFSET): Likewise.
6981 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6982 SYMBOL_REF_IN_BLOCK_P.
6983 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6984 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6985 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6986 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6988 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6990 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6992 2006-03-02 Roger Sayle <roger@eyesopen.com>
6994 * simplify-rtx.c (simplify_unary_operation): When simplifying
6995 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6996 that we perform the right shift in the appropriate mode, and
6997 then extend or truncate the result to requested mode.
6999 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7001 * gengtype.c (main): Handle double_int type.
7002 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7003 * double-int.c: New file.
7004 * double-int.h: New file.
7005 * system.h: Include doubleint.h.
7006 * Makefile.in (SYSTEM_H): Include double-int.h.
7007 (double-int.o): Add.
7009 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7012 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7015 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7017 * tree-vrp.c (remove_range_assertions): Do not update statements
7020 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7022 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7024 * gcse.c (rest_of_handle_gcse): Ditto.
7025 * except.c (gate_handle_eh): Ditto.
7026 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7027 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7029 2006-03-02 Eric Christopher <echristo@apple.com>
7031 * config/i386/i386.c (machopic_output_stub): Add indirection to
7034 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7038 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7040 Sun Niagara specific optimizations.
7041 * config.gcc: Recognize niagara as target.
7042 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7043 (TARGET_CPU_niagara): Define.
7044 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7045 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7046 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7047 (ASM_CPU_SPEC): Likewise.
7048 (PROCESSOR_NIAGARA): New enum entry.
7049 (REGISTER_MOVE_COST): Handle Niagara.
7050 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7051 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7052 (sparc_override_options): Recognize "niagara", set appropriate
7053 default MASK_* values for it, and align functions to 32-bytes
7054 by default just like ULTRASPARC/ULTRASPARC3.
7055 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7056 (sparc64_initialize_trampoline): Likewise.
7057 (sparc_use_sched_lookahead): Use zero for niagara.
7058 (sparc_issue_rate): Use one for niagara.
7059 * config/sparc/niagara.md: New file.
7060 * config/sparc/sparc.md: Include it.
7061 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7062 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7063 when default cpu is niagara.
7064 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7065 (ASM_CPU_SPEC): Likewise.
7066 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7067 when default cpu is niagara.
7068 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7069 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7070 just like v9/ultrasparc/ultrasparc3.
7071 * doc/invoke.texi: Add documentation for "niagara" and improve
7072 existing documentation for ultrasparc variants.
7074 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7076 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7078 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7080 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7081 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7082 and say that only one is needed.
7083 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7084 * target.h (have_switchable_bss_sections): New hook.
7085 * explow.c (use_anchored_address): Check that the symbol is in a block.
7086 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7087 (bss_noswitch_section): New variables.
7088 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7089 (get_noswitch_section): New function.
7090 (get_block_for_section): Allow SECT to be null.
7091 (unlikely_text_section_p): Use SECTION_STYLE.
7092 (bss_initializer_p): New function.
7093 (get_variable_section): Move earlier in file. Take a new argument,
7094 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7095 Return one of the new *_sections in such cases.
7096 (get_block_for_decl): New function, extracting some logic from
7097 use_blocks_for_decl_p.
7098 (change_symbol_section): Remove in favor of...
7099 (change_symbol_block): ...this new function.
7100 (use_blocks_for_decl_p): Remove checks now performed by
7102 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7103 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7104 (emit_local, emit_bss, emit_common): ...these new functions.
7105 Return true if the alignment was honored.
7106 (emit_tls_common): New function.
7107 (asm_emit_uninitialised): Delete.
7108 (assemble_variable_noswitch): New function, split out from...
7109 (assemble_variable): ...here. Don't make decisions about common
7110 variables here. Globalize all public decls that go into non-common
7111 sections. Check whether SYMBOL_REF_BLOCK is null.
7112 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7113 (output_constant_pool): Likewise.
7114 (init_varasm_once): Initialize the new section variables.
7115 (have_global_bss_p): New function.
7116 (categorize_decl_for_section): Use bss_initializer_p.
7117 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7118 (place_block_symbol): Assert that the symbol must be in a block.
7119 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7120 (TARGET_INITIALIZER): Include it.
7121 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7122 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7123 (SECTION_MACH_DEP): Bump by two.
7124 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7125 (unnamed_section): Mention SECTION_UNNAMED in comment.
7126 (named_section): Likewise SECTION_NAMED.
7127 (noswitch_section_callback): New type.
7128 (noswitch_section): New structure.
7129 (section): Add a noswitch_section alternative.
7130 (SECTION_STYLE): New macro.
7131 (tls_comm_section, comm_section, lcomm_section): Declare.
7132 (bss_noswitch_section, have_global_bss_p): Declare.
7133 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7134 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7136 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7137 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7140 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7142 * tree-vrp.c (execute_vrp): Return value.
7143 * regrename.c (rest_of_handle_regrename): Ditto.
7144 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7145 * tree-complex.c (tree_lower_complex): Ditto.
7146 (tree_lower_complex_O0): Ditto.
7147 * tracer.c (rest_of_handle_tracer): Ditto.
7148 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7149 * postreload.c (rest_of_handle_postreload): Ditto.
7150 * tree-tailcall.c (execute_tail_recursion): Ditto.
7151 (execute_tail_calls): Ditto.
7152 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7153 * tree.h (init_function_for_compilation): Ditto.
7154 * ipa-cp.c (ipcp_driver): Ditto.
7155 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7156 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7157 * final.c (compute_alignments): Ditto.
7158 (rest_of_handle_final): Ditto.
7159 (rest_of_handle_shorten_branches): Ditto.
7160 (rest_of_clean_state): Ditto.
7161 * omp-low.c (execute_expand_omp): Ditto.
7162 (execute_lower_omp): Ditto.
7163 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7164 * ipa-reference.c (static_execute): Ditto.
7165 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7166 * reorg.c (rest_of_handle_delay_slots): Ditto.
7167 (rest_of_handle_machine_reorg): Ditto.
7168 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7169 * flow.c (recompute_reg_usage): Ditto.
7170 (rest_of_handle_remove_death_notes): Ditto.
7171 (rest_of_handle_life): Ditto.
7172 (rest_of_handle_flow2): Ditto.
7173 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7174 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7175 (do_ssa_store_ccp): Ditto.
7176 (execute_fold_all_builtins): Ditto.
7177 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7178 * modulo-sched.c (rest_of_handle_sms): Ditto.
7179 * ipa-pure-const.c (static_execute): Ditto.
7180 * cse.c (rest_of_handle_cse): Ditto.
7181 (rest_of_handle_cse2): Ditto.
7182 * web.c (rest_of_handle_web): Ditto.
7183 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7184 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7185 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7186 * tree-nrv.c (tree_nrv): Ditto.
7187 (execute_return_slot_opt): Ditto.
7188 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7189 (create_structure_vars): Ditto.
7190 * loop-init.c (rtl_loop_init): Ditto.
7191 (rtl_loop_done): Ditto.
7192 (rtl_move_loop_invariants): Ditto.
7193 (rtl_unswitch): Ditto.
7194 (rtl_unroll_and_peel_loops): Ditto.
7195 (rtl_doloop): Ditto.
7196 * gimple-low.c (lower_function_body): Ditto.
7197 (mark_used_blocks): Ditto.
7198 * tree-ssa-sink.c (execute_sink_code): Ditto.
7199 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7200 (cgraph_early_inlining): Ditto.
7201 * global.c (rest_of_handle_global_alloc): Ditto.
7202 * jump.c (cleanup_barriers): Ditto.
7203 (purge_line_number_notes): Ditto.
7204 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7205 (rest_of_handle_if_after_reload): Ditto.
7206 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7207 (tree_ssa_loop_im): Ditto.
7208 (tree_ssa_loop_unswitch): Ditto.
7209 (tree_vectorize): Ditto.
7210 (tree_linear_transform): Ditto.
7211 (tree_ssa_loop_ivcanon): Ditto.
7212 (tree_ssa_empty_loop): Ditto.
7213 (tree_ssa_loop_bounds): Ditto.
7214 (tree_complete_unroll): Ditto.
7215 (tree_ssa_loop_prefetch): Ditto.
7216 (tree_ssa_loop_ivopts): Ditto.
7217 (tree_ssa_loop_done): Ditto.
7218 * predict.c (tree_estimate_probability): Ditto.
7219 * recog.c (split_all_insns_noflow): Ditto.
7220 (rest_of_handle_peephole2): Ditto.
7221 (rest_of_handle_split_all_insns): Ditto.
7222 * tree-eh.c (lower_eh_constructs): Ditto.
7223 * regmove.c (rest_of_handle_regmove): Ditto.
7224 (rest_of_handle_stack_adjustments): Ditto.
7225 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7226 * function.c (instantiate_virtual_regs): Ditto.
7227 (init_function_for_compilation): Ditto.
7228 (rest_of_handle_check_leaf_regs): Ditto.
7229 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7230 (rest_of_handle_gcse): Ditto.
7231 * ipa-type-escape.c (type_escape_execute): Ditto.
7232 * alias.c (rest_of_handle_cfg): Ditto.
7233 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7234 * profile.c (rest_of_handle_branch_prob): Ditto.
7235 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7236 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7237 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7238 * tree-dfa.c (find_referenced_vars): Ditto.
7239 * except.c (set_nothrow_function_flags): Ditto.
7240 (convert_to_eh_region_ranges): Ditto.
7241 (rest_of_handle_eh): Ditto.
7242 * emit-rtl.c (unshare_all_rtl): Ditto.
7243 (remove_unnecessary_notes): Ditto.
7244 * except.h (set_nothrow_function_flags): Ditto.
7245 (convert_to_eh_region_ranges): Ditto.
7246 * cfgexpand.c (tree_expand_cfg): Ditto.
7247 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7248 * tree-ssa-pre.c (do_pre): Ditto.
7249 (execute_fre): Ditto.
7250 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7251 (rest_of_handle_jump2): Ditto.
7252 * tree-sra.c (tree_sra): Ditto.
7253 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7254 (execute_mudflap_function_decls): Ditto.
7255 * tree-ssa-copy.c (do_copy_prop): Ditto.
7256 (do_store_copy_prop): Ditto.
7257 * ipa-prop.h (ipcp_driver): Ditto.
7258 * cfglayout.c (insn_locators_initialize): Ditto.
7259 * tree-ssa-forwprop.c
7260 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7261 * cfglayout.h (insn_locators_initialize): Ditto.
7262 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7263 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7264 (execute_late_warn_uninitialized): Ditto.
7265 * rtl.h (cleanup_barriers): Ditto.
7266 (split_all_insns_noflow): Ditto.
7267 (purge_line_number_notes): Ditto.
7268 (unshare_all_rtl): Ditto.
7269 (remove_unnecessary_notes): Ditto.
7270 (recompute_reg_usage): Ditto.
7271 (variable_tracking_main): Ditto.
7272 * integrate.c (emit_initial_value_sets): Ditto.
7273 * integrate.h (emit_initial_value_sets): Ditto.
7274 * tree-optimize.c (execute_free_datastructures): Ditto
7275 (execute_free_cfg_annotations): Ditto.
7276 (execute_fixup_cfg): Ditto.
7277 (execute_cleanup_cfg_pre_ipa): Ditto.
7278 (execute_cleanup_cfg_post_optimizing): Ditto.
7279 (execute_init_datastructures): Ditto.
7280 * tree-object-size.c (compute_object_sizes): Ditto.
7281 * combine.c (rest_of_handle_combine): Ditto.
7282 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7283 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7284 (rest_of_handle_reorder_blocks): Ditto.
7285 (rest_of_handle_partition_blocks): Ditto.
7286 * var-tracking.c (variable_tracking_main): Ditto.
7287 * tree-profile.c (tree_profiling): Ditto.
7288 * tree-vect-generic.c (expand_vector_operations): Ditto.
7289 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7290 * sched-rgn.c (rest_of_handle_sched): Ditto.
7291 (rest_of_handle_sched2): Ditto.
7292 * basic-block.h (free_bb_insn): Ditto.
7293 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7294 * tree-cfg.c (execute_build_cfg): Ditto.
7295 (remove_useless_stmts): Ditto.
7296 (split_critical_edges): Ditto.
7297 (execute_warn_function_return): Ditto.
7298 (execute_warn_function_noreturn): Ditto.
7299 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7300 * cfgrtl.c (free_bb_for_insn): Ditto.
7301 * passes.c (execute_one_pass): Run additional
7302 todos returned by execute function.
7303 * tree-pass.h (struct tree_opt_pass): Make execute
7306 2006-03-02 Richard Guenther <rguenther@suse.de>
7308 * tree-ssa-alias.c (find_used_portions): Consider taking
7309 the address as making the variable not write-only.
7311 2006-03-02 Nick Clifton <nickc@redhat.com>
7313 * config.gcc (default_use_cxa_atexit): Extend the description of
7314 this configure variable. Set its default value to "yes" for
7315 Linux, NetBSD and ELF targets on the assumption that they will
7316 use C libraries with the __cxa_atexit function.
7318 2006-03-02 Ben Elliston <bje@au.ibm.com>
7320 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7321 parameter as unused to suppress a build warning.
7323 2006-03-02 Ben Elliston <bje@au.ibm.com>
7325 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7328 2006-03-01 Roger Sayle <roger@eyesopen.com>
7331 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7332 declared name, the weak reference name, and the typeof name.
7333 (__gthrw): Avoid expanding the declared name suffix.
7334 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7336 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7338 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7340 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7341 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7342 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7343 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7344 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7345 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7346 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7347 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7348 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7349 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7350 (DW_END_default, DW_END_big, DW_END_little): New.
7351 (DW_END_lo_user, DW_END_hi_user): Define.
7352 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7353 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7354 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7357 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7359 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7361 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7363 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7365 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7367 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7368 to 'symbol_mem_tag'.
7370 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7373 2006-03-01 Roger Sayle <roger@eyesopen.com>
7375 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7377 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7380 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7381 MACHO_DYNAMIC_NO_PIC_P.
7382 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7384 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7387 * config/darwin-protos.h (darwin_asm_output_anchor):
7389 * config/darwin-sections.def (cstring_section):
7390 Add SECTION_MERGE to the flags.
7391 (literal4_section): Likewise.
7392 (literal8_section): Likewise.
7393 (objc_selector_refs_section): Likewise.
7394 (objc_cls_refs_section): Likewise.
7395 * config/darwin.c (darwin_asm_output_anchor): New
7397 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7399 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7401 Fix PR tree-optimization/26443
7402 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7403 to todo and PROP_tmt_usage to properties_destroyed.
7404 * tree-ssa-ccp.c (pass_ccp): Ditto.
7405 (pass_store_ccp): Ditto.
7406 * tree-ssa-dom.c (pass_dominator): Ditto.
7408 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7410 * tree-ssa-operands.c: Cleanup whitespace.
7411 (get_asm_expr_operands): Move before first invocation.
7412 (get_indirect_ref_operands): Likewise.
7413 (get_tmr_operands): Likewise.
7414 (get_call_expr_operands): Likewise.
7415 (append_def): Likewise.
7416 (append_use): Likewise.
7417 (append_v_may_def): Likewise.
7418 (append_v_must_def): Likewise.
7419 (add_call_clobber_ops): Likewise.
7420 (add_call_read_ops): Likewise.
7421 (add_stmt_operand): Likewise.
7422 (add_virtual_operand): Likewise.
7423 (build_ssa_operands): Likewise.
7425 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7430 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7431 with a call expr to ...
7432 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7434 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7436 * tree-vrp.c (extract_range_from_assert): Remove special
7437 handling for types with super-types.
7439 2006-03-01 Ben Elliston <bje@au.ibm.com>
7441 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7442 and powerpc64-*-linux* configurations.
7443 * config/t-dfprules: New file.
7445 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7446 Compile dfp-bit.c from the source directory using -DWIDTH and
7447 $DFP_CFLAGS to control the compilation of that file, rather than
7448 generating width-specific versions in the build directory.
7449 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7450 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7452 2006-02-28 Zack Weinberg <zackw@panix.com>
7454 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7457 2006-02-28 Eric Christopher <echristo@apple.com>
7459 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7460 Set up IN_LIBGCC definition of TARGET_64BIT.
7461 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7463 2006-02-28 Roger Sayle <roger@eyesopen.com>
7466 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7467 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7468 cases via the construction of "expr != 0".
7470 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7472 * alias.c (alias_invariant, alias_invariant_size): Remove.
7473 (record_base_value): Remove.
7474 (memrefs_conflict_p): Don't look at alias_invariant.
7475 (end_alias_analysis): Don't free it.
7476 * alias.h (record_base_value): Remove prototype.
7478 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7479 Adam Nemet <anemet@caviumnetworks.com>
7481 * rtl.h (truncated_to_mode): Declare it.
7482 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7483 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7484 (RTL_HOOKS_INITIALIZER): Include it.
7485 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7486 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7487 reg_truncated_to_mode.
7488 * rtlanal.c (truncated_to_mode): Define it.
7489 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7491 2006-02-28 Jeff Law <law@redhat.com>
7493 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7494 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7495 the range allowed by TYPE_PRECISION.
7497 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7499 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7501 PR tree-optimization/26419
7502 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7505 2006-02-27 Zack Weinberg <zackw@panix.com>
7507 * doc/md.texi: Fix typo in previous change.
7509 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7513 2006-02-27 Zack Weinberg <zackw@panix.com>
7515 * rtl.def (define_constraint, define_register_constraint)
7516 (define_memory_constraint, define_address_constraint): New MD forms.
7517 * gensupport.c (process_rtx): Put define_constraint etc on the
7519 * genpreds.c (process_define_predicate): Adjust comment. Validate
7520 the name, and call validate_exp to validate the expression.
7521 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7522 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7523 all callers changed.
7524 (validate_exp, needs_variable, struct constraint_data)
7525 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7526 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7527 (const_dbl_constraints, constraint_max_namelen)
7528 (have_register_constraints, have_memory_constraints)
7529 (have_address_constraints, have_address_constraints)
7530 (have_extra_constraints, have_const_int_constraints)
7531 (have_const_dbl_constraints, mangle, add_constraint)
7532 (process_define_constraint, process_define_register_constraint)
7533 (write_enum_constraint_num, write_lookup_constraint)
7534 (write_insn_constraint_len, write_regclass_for_constraint)
7535 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7536 (write_insn_extra_memory_constraint)
7537 (write_insn_extra_address_constraint)
7538 (write_satisfies_constraint_fns): New.
7539 (write_tm_preds_h): If we have new-style constraint definitions,
7540 prototype the functions generated from them, and define the
7541 old constraint interface (still used by generic code) in terms of
7543 (write_insn_preds_c): If we have new-style constraint definitions,
7544 generate all relevant functions from those definitions.
7545 (main): Handle define_constraint etc.
7546 * genoutput.c (struct constraint_data, indep_constraints)
7547 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7548 (mdep_constraint_len): New data structures and functions, defined
7549 #ifdef USE_MD_CONSTRAINTS.
7550 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7551 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7552 use new logic to validate operand constraints against constraint
7554 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7556 * defaults.h: If none of the old-style constraint macros are
7557 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7558 old-style macros; and poison REG_CLASS_FROM_LETTER,
7559 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7561 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7562 * doc/md.texi: Document new constraint-definition mechanism and the
7563 C interface it provides. Remove references to old mechanism
7564 elsewhere in the document.
7565 (Machine Constraints): Use pathnames relative to gcc directory,
7566 i.e. config/ARCH/FILE. Change i386 section to refer to
7567 config/i386/predicates.md; update that section to match docstrings.
7568 * doc/tm.texi: Move all documentation of the old constraint-
7569 definition macros to their own section, clearly mark as obsolete.
7571 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7572 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7574 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7575 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7576 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7578 (splits and peepholes): Use satisfies_constraint_*.
7579 * config/i386/i386.c (memory_address_length)
7580 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7582 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7584 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7585 scalar operation to be put back into the loop.
7587 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7590 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7591 (extract_cie_info): Handle S flag in augmentation string.
7592 (execute_cfa_program): If context->signal_frame, execute also
7593 fs->pc == context->ra instructions.
7594 (uw_frame_state_for): If context->signal_frame, don't subtract one
7595 from context->ra to find FDE.
7596 (uw_update_context_1): Set context->signal_frame to
7598 (_Unwind_GetIPInfo): New function.
7599 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7600 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7602 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7603 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7604 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7605 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7606 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7607 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7608 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7609 x86_64_fallback_frame_state): Set fs->signal_frame.
7610 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7611 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7612 (frob_update_context): Likewise. Workaround missing S flag in
7613 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7614 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7615 Remove the psw_addr + 1 hack.
7617 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7619 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7620 with aggregates here.
7621 (find_func_aliases): Remove code for &<aggregate> from here.
7623 2006-02-26 Roger Sayle <roger@eyesopen.com>
7625 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7626 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7627 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7630 2006-02-26 Roger Sayle <roger@eyesopen.com>
7633 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7635 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7637 * opts.c (decode_options): Do not handle flag_strength_reduce.
7638 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7639 and OPT_fstrength_reduce.
7640 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7641 flag_prefetch_loop_arrays for being nonzero.
7642 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7644 (fprefetch-loop-arrays-rtl): Removed.
7645 (flag_prefetch_loop_arrays): Do not specify the value.
7647 * doc/passes.texi: Update documentation of loop optimizer
7649 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7650 -frerun-loop-opt): Remove.
7652 2006-02-26 Richard Guenther <rguenther@suse.de>
7654 PR tree-optimization/26421
7655 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7656 in function calls that are ADDR_EXPRs as using the whole structure.
7658 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7660 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7661 * tree-pass.h (pass_loop_optimize): Remove.
7662 * passes.c (pass_loop_optimize): Never run it.
7663 * toplev.c (backend_init): Don't call init_loop.
7664 * opts.c (flag_loop_optimize_set): Remove.
7665 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7666 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7667 the old RTL loop optimizer when profiling enabled.
7668 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7669 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7670 pre-headers for the sake of the old RTL loop optimizer.
7671 * Makefile.in: Remove all references to loop.o.
7673 * doc/invoke.texi: Remove all references to -floop-optimize
7674 and -frerun-loop-opt.
7676 2006-02-26 Zack Weinberg <zackw@panix.com>
7678 * doc/md.texi (Machine Constraints): Refer to all files with paths
7679 relative to gcc directory (i.e. config/CPU/file). Add missing
7680 @table @code ... @end table to M32C subsection.
7682 2006-02-26 Roger Sayle <roger@eyesopen.com>
7684 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7686 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7688 2006-02-26 Roger Sayle <roger@eyesopen.com>
7689 James A. Morrison <phython@gcc.gnu.org>
7692 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7693 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7694 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7695 signedness of the shift operation.
7697 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7699 PR tree-optimization/26359
7700 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7702 2006-02-25 Roger Sayle <roger@eyesopen.com>
7704 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7705 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7706 as X == 0, and some symmetry related transformations.
7707 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7709 2006-02-25 Roger Sayle <roger@eyesopen.com>
7712 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7713 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7714 symmetry related transformations. Fold (X^C1) == C2 as
7717 2006-02-25 Juergen Weigert <jw@suse.de>
7718 Richard Guenther <rguenther@suse.de>
7720 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7722 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7724 * combine.c (gen_lowpart_or_truncate): Call
7725 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7727 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7729 * doc/invoke.texi: Move -fopenmp description to "Options for
7731 Remove reference to -lgomp.
7733 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7735 * doc/install.texi: Require GNU tar version 1.14.
7737 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7739 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7740 * doc/invoke.texi (C++ Dialect Options): Document
7741 -fno-use-cxa-get-exception-ptr.
7742 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7743 * configure: Regenerate.
7744 * c.opt (fuse-cxa-get-exception-ptr): New.
7745 * c-opts.c (c_common_handle_option): Handle
7746 OPT_fuse_cxa_get_exception_ptr.
7747 * c-common.c (flag_use_cxa_atexit): Update documentation.
7748 (flag_use_cxa_get_exception_ptr): New.
7749 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7750 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7752 (C_COMMON_OVERRIDE_OPTIONS): New.
7754 2006-02-24 Roger Sayle <roger@eyesopen.com>
7757 * combine.c (try_combine): Explicitly check whether GET_CODE is
7758 a SET or a CLOBBER, instead on checking that it isn't a USE.
7760 2006-02-24 Roger Sayle <roger@eyesopen.com>
7762 * fold-const.c (fold_comparison): New subroutine of fold_binary
7763 containing transformations common to both the equality and
7764 ordering relational operators, factored out of fold_binary.
7765 (fold_binary): Separate out the equality operators (EQ_EXPR
7766 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7767 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7768 transformations common to both.
7769 (fold_div_compare): Fix latent bugs in the previously unreachable
7770 LT_EXPR and GE_EXPR cases.
7772 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7774 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7775 decl libname for clog to __clog on AIX.
7777 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7779 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7782 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7783 output traceback table for thunks. Localise rs6000_stack_info call.
7785 2006-02-23 Roger Sayle <roger@eyesopen.com>
7786 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7788 * gthr-posix.h (__gthrw): Fix typo in comment.
7790 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7792 * doc/cpp.texi (Character sets): Document that we do support
7793 input files to be in any character set.
7795 2006-02-23 Jeff Law <law@redhat.com>
7797 * tree.h (PHI_ARG_NONZERO): Remove.
7798 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7799 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7800 node to the new node.
7802 PR tree-optimization/26425
7803 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7804 min/max, then assume its varying.
7806 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7808 PR rtl-optimization/26316
7809 * rtlanal.c (enum may_trap_p_flags): New.
7810 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7811 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7812 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7813 (may_trap_after_code_motion_p): New function.
7814 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7815 (find_invariant_insn): Use may_trap_after_code_motion_p.
7816 * rtl.h (may_trap_after_code_motion_p): Declare.
7818 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7820 * emit-rtl.c (immed_double_const): Cleanup.
7822 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7824 Fix PR tree-optimization/26376
7825 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7828 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7831 * gimplify.c (omp_add_variable): Guard variable size decl test with
7832 DECL_SIZE (decl) check.
7834 2006-02-23 Richard Guenther <rguenther@suse.de>
7837 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7838 like aggregate types.
7840 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7842 * configure.ac: Add --with{,out}-long-double-128 configure option.
7843 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7844 * configure: Rebuilt.
7845 * config.in: Rebuilt.
7846 * doc/install.texi (Options specification): Document
7847 --with-long-double-128.
7849 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7850 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7851 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7852 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7854 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7856 * config/s390/s390.c (override_options): Handle
7857 TARGET_DEFAULT_LONG_DOUBLE_128.
7859 * config/alpha/alpha.c (override_options): Handle
7860 TARGET_DEFAULT_LONG_DOUBLE_128.
7862 * config/sparc/sparc.c (sparc_override_options): Handle
7863 TARGET_DEFAULT_LONG_DOUBLE_128.
7865 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7867 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7868 (real-install-headers-tar, real-install-headers-cpio)
7869 (real-install-headers-cp): New targets.
7871 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7873 * tree.h (variable_section): Delete.
7874 * varasm.c (variable_section): Delete.
7876 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7878 * install.texi: Add notes on install.texi2html.
7879 (Building in parallel): Do not use footnotes.
7881 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7884 * doc/install.texi (Configuration): Document --disable-libgomp.
7886 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7888 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7890 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7892 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7893 (vec_extractv2df_0_sse): New.
7895 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7897 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7898 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7899 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7900 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7901 to the result of the expression.
7902 (def_cfa_1): Adjust.
7903 (frame_pointer_cfa_offset): Rename to...
7904 (frame_pointer_fb_offset): ... this. Adjust all uses.
7905 (convert_cfa_to_loc_list): Rename to...
7906 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7907 Pass it on to build_cfa_loc.
7908 (compute_frame_pointer_to_cfa_displacement): Rename to...
7909 (compute_frame_pointer_to_fb_displacement): ... this. New
7910 offset parameter. Use it in computation.
7911 (gen_subprogram_die): Compute cfa_fb_offset with the new
7912 macro, and use it to compute the fb loc list and the
7915 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7917 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7918 replaced with register_operand.
7919 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7920 non-DREG is expensive.
7921 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7922 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7925 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7927 * doc/install.texi2html: Use set -e.
7929 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7931 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7932 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7933 * doc/invoke.texi (-fshared-data): Delete.
7934 * common.opt (fshared-data): Delete.
7935 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7936 (assemble_static_space): Remove #if 0 code.
7937 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7938 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7939 * config/cris/cris.h: Remove FIXME.
7941 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7943 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7946 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7949 * combine.c (simplify_shift_const_1): Disable nested shifts
7950 optimization for vector shifts.
7952 2006-02-20 Roger Sayle <roger@eyesopen.com>
7954 PR tree-optimization/26361
7955 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7956 of unsigned integer types.
7958 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7960 * tree-chrec.c (eq_evolutions_p): New.
7961 * tree-chrec.h (eq_evolutions_p): Declared.
7962 * tree-data-ref.c: Fix formatting.
7963 (datadep_stats, dependence_stats): New.
7965 (print_direction_vector): New.
7966 (dump_data_dependence_relation): Use print_direction_vector.
7967 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7968 (compute_subscript_distance): Static.
7969 (initialize_data_dependence_relation): Static. Get the number
7970 of loops surrounding the references from the callers, and initialize
7971 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7972 base_object_differ_p analyzers.
7973 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7974 compute_overlap_steps_for_affine_1_2,
7975 analyze_subscript_affine_affine): Count the classified dependences.
7976 Print a message when a test failed.
7977 (can_use_analyze_subscript_affine_affine): New.
7978 (analyze_siv_subscript): Compute the data dependences on symbolic
7979 scevs that verify can_use_analyze_subscript_affine_affine.
7980 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7981 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7982 Handle symbolic scevs.
7983 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7985 (subscript_dependence_tester): Moved...
7986 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7987 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7988 DDR_SIZE_VECT instead of getting it in parameter.
7989 (subscript_dependence_tester): ... here. Take as a parameter
7990 loop_nest_depth. Call build_classic_dist_vector and
7991 build_classic_dir_vector.
7992 (compute_affine_dependence): Update subscript_dependence_tester
7993 parameters. Update datadep_stats counters. Call
7994 compute_subscript_distance.
7995 (compute_self_dependence): Save the dist and dir vectors. Call
7996 compute_subscript_distance.
7997 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7998 (compute_all_dependences): Reorder parameters as they were before
7999 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8000 compute_subscript_distance. Update the use of
8001 compute_affine_dependence and initialize_data_dependence_relation.
8002 (find_data_references_in_loop): Handle COMPONENT_REF.
8003 (compute_data_dependences_for_loop): Initialize dependence_stats.
8004 Don't call build_classic_dist_vector and build_classic_dir_vector.
8005 Update the parameters of initialize_data_dependence_relation and
8006 compute_all_dependences. Print the statistics from datadep_stats.
8007 (analyze_all_data_dependences): Static. Not used until the pass for
8008 checking the data dependences is contributed.
8009 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8010 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8011 (initialize_data_dependence_relation, compute_affine_dependence,
8012 analyze_all_data_dependences, compute_subscript_distance): Removed.
8013 (print_direction_vector): New.
8014 * lambda.h (gcd): ... here.
8015 (lambda_vector_gcd): Moved here from gcd_vector.
8016 * lambda-code.c (gcd, gcd_vector): Removed.
8017 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8018 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8020 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8022 * ipa-type-escape.c: Tidy some comments and white space.
8023 * tree-ssa-operands.c: Likewise.
8025 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8028 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8029 (dump_decl_name): Do not walk the decl tree chains.
8030 * tree-pass.h (TDF_CHAIN): Remove.
8032 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8034 * Makefile.in (C): Remove
8036 (.PHONY): Remove C and PROTO
8038 2006-02-20 Roger Sayle <roger@eyesopen.com>
8041 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8042 deprecated CHAR_TYPE tree code.
8044 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8046 * configure.ac (target_list): Add install-info, dvi, html.
8047 * configure: Regenerate.
8049 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8050 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8051 treelang/Make-lang.in: Do not use double-colon rules.
8053 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8055 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8056 (TMT_USED_ALONE): New macro.
8057 * tree-pass.h (PROP_tmt_usage): New property.
8058 (TODO_update_tmt_usage): New todo.
8059 * tree-ssa-alias.c (updating_used_alone): New variable.
8060 (recalculate_used_alone): New function.
8061 (compute_may_aliases): Set updating_used_alone, call
8062 recalculate_used_alone.
8063 * tree-sra.c (pass_sra): Note that this pass destroys
8064 PROP_tmt_usage, and add TODO_update_tmt_usage.
8065 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8066 * tree-flow.h (updating_used_alone): Prototype.
8067 (recalculate_used_alone): Ditto.
8068 * passes.c (execute_todo): Add code to set updating_used_alone,
8069 and call recalculate.
8070 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8071 for clobber if used alone, and add assert to verify used_alone
8074 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8076 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8077 for non tls symbols added.
8078 (legitimize_address): Do nothing for PLUS expressions if one of the
8079 addends is a tls symbol reference.
8081 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8085 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8087 * Makefile.in (BOOTSTRAPPING): New.
8088 (quickstrap): New definition if BOOTSTRAPPING=yes.
8090 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8091 * configure.ac: Substitute all_selected_languages with the languages
8092 that were configured. For all the other variables except
8093 lang_specs_files, include all the languages in the tree.
8094 * configure: Regenerate.
8096 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8097 if there is one. Run the commands to run fixincludes in the same
8100 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8101 * doc/install.texi: Document exact conventions for searching target tools.
8102 Document --with-build-time-tools. Document toplevel bootstrap. Document
8103 something more about building an Ada cross-compiler. Don't list GNU Make
8104 requirements which affect all platforms.
8106 2006-02-19 Roger Sayle <roger@eyesopen.com>
8109 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8110 only equivalent if the have both the same mode and precision.
8112 2006-02-20 Ben Elliston <bje@au.ibm.com>
8114 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8116 2006-02-19 Roger Sayle <roger@eyesopen.com>
8117 Steven Bosscher <stevenb.gcc@gmail.com>
8119 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8120 constant pool references to identify stack mode constants.
8121 * rtlanal.c (constant_pool_constant_p): New predicate to check
8122 whether operand is a floating point constant in the pool.
8123 * rtl.h (constant_pool_constant_p): Prototype here.
8124 * loop.c (scan_loop): Avoid hoisting constants from the constant
8125 pool on STACK_REGS targets.
8126 (load_mems): Likewise.
8127 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8128 loads into x87 registers expensive in terms of register pressure.
8130 2006-02-19 Roger Sayle <roger@eyesopen.com>
8132 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8133 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8135 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8137 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8138 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8140 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8142 * doc/invoke.texi: Document -fipa-pta.
8143 * common.opt: Add ipa-pta option.
8144 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8145 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8146 (do_ds_constraint): Ditto.
8147 (get_constraint_for): Only add to referenced_vars if
8148 referenced_vars exists.
8149 (insert_into_field_list): Rewrite to do this unsorted.
8150 (insert_into_field_list_sorted): Rename old insert_into_field_list
8152 (create_function_info_for): Use insert_into_field_list_sorted.
8153 (create_variable_info_for): Rewrite so it uses unsorted version,
8154 since the field list is sorted.
8155 (intra_create_variable_infos): Only add to referenced_vars if
8156 referenced_vars exists.
8157 (ipa_pta_execute): Init heapvars, and delete when done.
8158 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8160 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8162 * doc/install.texi: Add missing `@samp'.
8164 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8166 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8169 2006-02-18 Mark Wielaard <mark@klomp.org>
8171 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8172 who added new 4.1 features, bug fixes and integration support.
8174 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8177 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8180 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8182 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8183 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8184 (copy_insn_1): Likewise. Don't copy each field individually.
8186 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8188 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8189 * rtl.c (rtx_size): Rename variable to...
8190 (rtx_code_size): ...this.
8191 (rtx_size): New function.
8192 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8193 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8195 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8196 * rtl.h (rtx_code_size): New variable.
8197 (rtx_size): Change from a variable to a function.
8198 (RTX_SIZE): Rename to...
8199 (RTX_CODE_SIZE): ...this.
8202 PR tree-optimization/17106
8203 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8204 (Anchored Addresses): New section.
8205 * doc/invoke.texi (-fsection-anchors): Document.
8206 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8207 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8208 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8209 * hooks.c (hook_bool_mode_rtx_false): New function.
8210 * hooks.h (hook_bool_mode_rtx_false): Declare.
8211 * gengtype.c (create_optional_field): New function.
8212 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8213 SYMBOL_REF_IN_BLOCK_P is true.
8214 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8215 (min_anchor_offset, max_anchor_offset): Likewise.
8216 (use_anchors_for_symbol_p): New hook.
8217 * toplev.c (compile_file): Call output_object_blocks.
8218 (target_supports_section_anchors_p): New function.
8219 (process_options): Check that -fsection-anchors is only used on
8220 targets that support it and when -funit-at-a-time is in effect.
8221 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8222 if the decl doesn't have one.
8223 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8224 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8225 of force_const_mem through use_anchored_address.
8226 (expand_expr_constant): New function.
8227 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8228 calling expand_expr for INDIRECT_REF.
8229 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8230 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8231 * expr.h (use_anchored_address): Declare.
8232 * loop-unroll.c: Don't declare rtx vectors here.
8233 * explow.c: Include output.h.
8234 (validize_mem): Call use_anchored_address.
8235 (use_anchored_address): New function.
8236 * common.opt (-fsection-anchors): New switch.
8237 * varasm.c (object_block_htab, anchor_labelno): New variables.
8238 (hash_section, object_block_entry_eq, object_block_entry_hash)
8239 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8240 (use_blocks_for_decl_p, change_symbol_section): New functions.
8241 (get_variable_section): New function, split out from assemble_variable.
8242 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8243 use_blocks_for_decl_p say so. Use change_symbol_section if the
8244 symbol has already been created.
8245 (assemble_variable_contents): New function, split out from...
8246 (assemble_variable): ...here. Don't output any code for
8247 block symbols; just pass them to place_block_symbol.
8248 Use get_variable_section and assemble_variable_contents.
8249 (get_constant_alignment, get_constant_section, get_constant_size): New
8250 functions, split from output_constant_def_contents.
8251 (build_constant_desc): Create a block symbol if use_object_blocks_p
8252 says so. Or into SYMBOL_REF_FLAGS.
8253 (assemble_constant_contents): New function, split from...
8254 (output_constant_def_contents): ...here. Don't output any code
8255 for block symbols; just pass them to place_section_symbol.
8256 Use get_constant_section and get_constant_alignment.
8257 (force_const_mem): Create a block symbol if use_object_blocks_p and
8258 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8259 (output_constant_pool_1): Add an explicit alignment argument.
8260 Don't switch sections here.
8261 (output_constant_pool): Adjust call to output_constant_pool_1.
8262 Switch sections here instead. Don't output anything for block symbols;
8263 just pass them to place_block_symbol.
8264 (init_varasm_once): Initialize object_block_htab.
8265 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8266 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8267 (place_block_symbol, get_section_anchor, output_object_block)
8268 (output_object_block_htab, output_object_blocks): New functions.
8269 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8270 (TARGET_ASM_OUT): Include it.
8271 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8272 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8273 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8274 (TARGET_INITIALIZER): Include them.
8275 * rtl.c (rtl_check_failed_block_symbol): New function.
8276 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8277 (block_symbol, object_block): New structures.
8278 (rtx_def): Add a block_symbol field to the union.
8279 (BLOCK_SYMBOL_CHECK): New macro.
8280 (rtl_check_failed_block_symbol): Declare.
8281 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8282 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8283 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8284 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8285 * output.h (output_section_symbols): Declare.
8286 (object_block): Name structure.
8287 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8288 (default_use_anchors_for_symbol_p): Declare.
8289 * Makefile.in (RTL_BASE_H): Add vec.h.
8290 (explow.o): Depend on output.h.
8291 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8292 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8293 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8294 (rs6000_use_blocks_for_constant_p): New function.
8296 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8298 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8300 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8303 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8306 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8308 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8312 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8315 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8316 instead of DECL_REGISTER.
8318 2006-02-18 Olivier Hainque <hainque@adacore.com>
8321 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8323 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8326 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8327 * opth-gen.awk: Handle Var and InverseMask together.
8328 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8329 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8330 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8331 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8333 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8334 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8335 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8336 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8337 LINUX_DYNAMIC_LINKER): Define.
8338 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8339 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8341 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8342 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8343 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8344 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8345 (TARGET_C99_FUNCTIONS): Don't define.
8346 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8347 GLIBC_DYNAMIC_LINKER.
8348 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8349 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8350 GLIBC_DYNAMIC_LINKER64): Define.
8351 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8352 LINUX_DYNAMIC_LINKER64.
8353 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8354 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8355 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8357 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8358 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8359 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8360 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8361 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8362 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8363 and LINUX_DYNAMIC_LINKER32.
8364 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8365 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8366 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8368 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8370 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8371 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8372 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8373 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8374 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8375 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8376 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8377 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8378 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8379 LINUX_DYNAMIC_LINKER): Define.
8380 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8381 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8382 GLIBC_DYNAMIC_LINKER64): Define.
8383 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8384 LINUX_DYNAMIC_LINKER64.
8385 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8386 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8387 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8388 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8389 LINUX_DYNAMIC_LINKER): Define.
8390 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8391 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8392 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8393 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8394 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8395 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8396 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8397 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8398 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8399 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8400 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8401 * doc/invoke.texi (-muclibc): Remove caveat about supported
8404 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8406 * doc/cpp.texi (__TIMESTAMP__): Document.
8408 2006-02-17 Roger Sayle <roger@eyesopen.com>
8411 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8412 C is one less than the width of X (and related transformations).
8413 * simplify-rtx.c (simplify_unary_operation_1): Transform
8414 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8415 depending on STORE_FLAG_VALUE, were C is one less then the
8418 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8420 Fix PR tree-optimization/26341
8421 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8422 about NAME_MEMORY_TAG's.
8424 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8427 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8428 with hardware float support, and software float support. Add fcpy
8429 alternative to hardware patterns. Add alternatives to copy between
8430 general and floating-point registers to the 32-bit pattern.
8431 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8432 secondary reload to load a QI or HI mode constant into a floating
8434 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8435 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8437 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8440 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8442 (load_macho_picbase_di): Likewise.
8444 2006-02-16 Jeff Law <law@redhat.com>
8446 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8447 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8448 (ssa_name_nonzero_p): Likewise.
8449 (get_value_range): Return NULL if VRP is not running.
8450 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8451 VRP routines do not discover a range.
8452 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8453 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8454 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8455 (tree_expr_nonnegative_p): Similarly.
8456 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8457 (restore_nonzero_vars_to_original_value): Remove.
8458 (unsafe_associative_fp_binop): Remove.
8459 (tree_ssa_dominator_optimize): Remove initialization and
8460 finalization of nonzero_vars and nonzero_vars_stack.
8461 (dom_opt_initialize_block): No longer push marker on
8463 (dom_opt_finalize_block): No longer call
8464 restore_nonzero_vars_to_original_value.
8465 (record_equivalences_from_phis): No longer look for
8466 nonzero PHI arguments.
8467 (cprop_into_successor_phis): No longer propagate nonzero
8468 property into PHI arguments. Lose unused argument. Caller
8470 (record_equivalences_from_stmt): No longer record nonzero
8471 values for SSA_NAMEs.
8472 (lookup_avail_expr): No longer use nonzero_vars.
8474 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8475 for sizetype when sizetype is unsigned.
8477 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8479 PR rtl-optimization/25603
8480 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8481 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8482 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8483 with new meaning of SETS.
8485 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8490 * config/linux.opt: New file.
8491 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8492 LINUX_DYNAMIC_LINKER): Define.
8493 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8494 * config.gcc (*-*-linux*): Define extra_options.
8495 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8496 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8497 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8498 GLIBC_DYNAMIC_LINKER.
8499 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8500 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8501 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8503 * doc/invoke.texi (GNU/Linux Options): New section.
8505 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8507 * config/sparc/sparc.md (setjmp): Rewrite.
8508 (setjmp_32): Delete.
8509 (setjmp_64): Likewise.
8511 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8513 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8516 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8518 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8521 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8523 PR rtl-optimization/26296
8524 * Makefile.in (loop-invariant.c): Add except.h dependency.
8525 * loop-invariant.c: Include except.h.
8526 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8528 2005-02-16 Paul Brook <paul@codesourcery.com>
8530 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8533 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8535 PR rtl-optimization/25636
8536 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8537 when deciding whether an insn is an initializing insn.
8539 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8541 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8542 (tree_code_size): Ditto.
8543 * tree.h (struct tree_memory_tag): Remove parent_var.
8544 (struct tree_struct_field_tag): New.
8547 (union tree_node): Add sft member.
8548 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8550 (create_sft): Add size and offset argument, set SFT_OFFSET and
8552 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8553 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8554 * tree-flow-inline.h (get_subvar_at): Update for
8555 SFT_OFFSET/SFT_SIZE.
8556 (var_can_have_subvars): Ditto.
8557 (overlap_subvar): Ditto.
8558 * print-tree.c (print_node): Print out interesting things for
8560 * tree-flow.h (struct subvar): Remove offset and size members.
8561 * tree-ssa-operands.c (get_expr_operands): Update for
8562 get_indirect_ref_operands changes.
8563 (get_indirect_ref_operands): Call add_virtual_operand instead of
8564 add_stmt_operand. Only recurse on base var if requested.
8565 (access_can_touch_variable): New function.
8566 (add_stmt_operand): Split virtual operand handling into ...
8567 (add_virtual_operand): Here. Add offset, size, and for_clobber
8568 arguments. Prune alias sets.
8569 (add_call_clobber_ops): Call add_virtual_operand.
8571 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8574 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8576 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8577 than TREE_CODE as index into omp_clause_num_ops array.
8579 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8581 PR rtl-optimization/26184
8582 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8584 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8585 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8586 must_precede, must_follow and tobe_scheduled.
8589 * opts.c (common_handle_option): Free new_option pointer.
8590 * df-core.c (df_analyze): Free postorder pointer.
8592 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8594 * Makefile.in: Fix the examples about the use of stamps
8596 2006-02-15 Michael Matz <matz@suse.de>
8600 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8601 influenced by maximum_field_alignment or DECL_PACKED.
8602 (update_alignment_for_field): Ditto.
8603 (place_field): Ditto.
8604 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8607 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8609 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8610 (debug_flow_info): Pass it.
8611 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8612 * bb-reorder.c (reorder_basic_blocks): Likewise.
8613 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8614 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8615 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8616 * gcse.c (gcse_main, bypass_jumps): Likewise.
8617 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8618 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8619 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8620 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8621 * rtl.h (dump_flow_info): Adjust prototype.
8622 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8623 * var-tracking.c (variable_tracking_main): Likewise.
8624 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8625 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8628 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8630 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8633 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8635 PR tree-optimization/26209
8636 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8637 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8639 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8641 2006-02-14 Roger Sayle <roger@eyesopen.com>
8644 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8645 (X,Y) and the corresponding symmetry related transformations.
8646 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8647 (X,Y) and its symmetry related transformations.
8649 2006-02-14 Roger Sayle <roger@eyesopen.com>
8651 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8654 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8656 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8658 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8661 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8662 support COMDAT group.
8663 * configure: Regenerate.
8665 2006-02-14 Roger Sayle <roger@eyesopen.com>
8670 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8672 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8674 Fix PR tree-optimization/26260
8676 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8678 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8679 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8680 * tree-ssa-structalias.c (create_variable_info_for): Use
8681 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8683 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8685 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8687 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8688 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8689 of the ending condition.
8690 * tree-ssa-loop-manip.c: Include params.h.
8691 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8692 tree_unroll_loop): New functions.
8693 * tree-pass.h (pass_loop_prefetch): Declare.
8694 * loop.c (rest_of_handle_loop_optimize): Test for
8695 -fprefetch-loop-arrays-rtl.
8696 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8697 * timevar.def (TV_TREE_PREFETCH): New timevar.
8698 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8699 pass_loop_prefetch): New.
8700 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8701 (cleanup_tree_cfg_loop): Call scev_reset.
8702 * common.opt (fprefetch-loop-arrays-rtl): Add.
8703 * tree-ssa-loop-prefetch.c: New file.
8704 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8705 (new_temp_expr_table): Initialize expr_vars.
8706 (free_temp_expr_table): Cleanup expr_vars.
8707 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8708 expressions from being merged into one.
8709 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8710 (struct tree_niter_desc): Add control, bound and cmp fields.
8711 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8713 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8714 (tree-cfgcleanup.o): Add SCEV_H dependency.
8715 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8716 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8718 2006-02-14 Richard Guenther <rguenther@suse.de>
8720 PR tree-optimization/26258
8721 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8722 in PHI argument processing.
8724 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8726 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8727 new expression in the requested machine mode.
8729 2006-02-13 Roger Sayle <roger@eyesopen.com>
8731 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8732 directly, instead let do_compare_rtx_and_jump handle this for us.
8733 * expr.c (expand_expr_real_1): Likewise.
8734 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8735 before do_jump_by_parts_greater.
8736 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8737 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8739 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8741 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8743 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8745 PR rtl-optimization/26235
8746 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8747 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8750 2006-02-13 Jeff Law <law@redhat.com>
8752 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8755 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8758 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8759 twice if decl is a builtin. When trying again, call get_callee_fndecl
8760 first to verify it is still a builtin.
8762 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8764 * dwarf2out.c (base_type_die): Don't add AT_name here.
8765 (subrange_type_die): Don't add AT_name here.
8766 (modified_type_die): Rearrange code flow. Do add AT_name here.
8768 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8770 PR rtl-optimization/26247
8771 PR rtl-optimization/26248
8772 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8774 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8776 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8777 * config/fixtfdi.c: Likewise.
8778 * config/fixunstfdi.c: Likewise.
8779 * config/floatditf.c: Likewise.
8781 2006-02-13 Roger Sayle <roger@eyesopen.com>
8784 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8785 into (X,C2) if C1 is a subset of the bits of C2. Transform
8786 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8788 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8790 2006-02-13 Josh Conner <jconner@apple.com>
8793 * varasm.c (function_section): Check for section name before
8794 calling select_section on targets that define
8795 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8796 unlikely_text_section instead of hot_function_section if
8797 first_function_block_is_cold.
8799 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8802 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8804 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8806 PR rtl-optimization/26222
8807 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8808 after tree->rtl expansion.
8809 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8810 before passing it to emit_move_insn.
8812 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8814 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8816 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8817 Clarify documentation.
8818 * c-common.h (warn_write_strings): Remove.
8819 * c-common.c (warn_write_strings): Likewise.
8820 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8823 2006-02-12 Roger Sayle <roger@eyesopen.com>
8826 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8827 (do_jump_parts_zero_rtx): New function renamed from
8828 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8829 (do_jump_parts_equality_rtx): New function split out from
8830 do_jump_parts_equality. Old implementation renamed as above.
8831 Call do_jump_parts_zero_rtx if either operand is zero.
8832 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8833 do all of the heavy lifting.
8834 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8835 calling either do_jump_by_parts_greater_rtx or
8836 do_jump_by_parts_equality_rtx.
8837 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8838 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8839 moved to do_compare_rtx_and_jump, call it directly.
8840 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8841 mode argument. Call do_compare_rtx_and_jump.
8842 (emit_case_nodes): Update calls to do_jump_if_equal.
8844 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8846 PR rtl-optimization/26225
8847 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8849 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8851 PR rtl-optimization/26232
8852 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8854 2006-02-11 Jason Merrill <jason@redhat.com>
8857 * tree-inline.c (declare_return_variable): Just don't use the
8858 modify target if it's a gimple complex reg and the return slot
8861 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8863 * doc/contrib.texi: Update my entry.
8865 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8867 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8869 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8871 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8874 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8876 * doc/invoke.texi (-floop-optimize2): Removed.
8877 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8878 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8879 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8880 * common.opt (floop-optimize2): Removed.
8881 (fmove-loop-invariants): Enabled by default.
8883 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8885 * tree-if-conv.c (combine_blocks): Free the result of
8886 get_loop_exit_edges.
8888 2006-02-10 Jeff Law <law@redhat.com>
8890 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8892 PR tree-optimization/26213
8893 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8894 loop trying to follow SSA_NAME_VALUE chains.
8896 2006-02-10 Richard Guenther <rguenther@suse.de>
8898 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8899 deal with structures that end in implicitly variable sized arrays.
8901 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8903 PR rtl-optimization/24762
8904 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8907 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8909 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8910 (struct ivopts_data): Add regs_used field.
8911 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8912 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8913 instead of loop_data->regs_used;
8914 (free_loop_data): Do not free aux fields for loops.
8915 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8916 and tree_ssa_iv_optimize_finalize.
8918 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8920 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8922 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8925 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8926 computing the effective result type.
8928 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8931 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8932 (tree_overlaps_hard_reg_set): Declare.
8933 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8934 type and signature to match function type expected by walk_tree.
8935 (tree_overlaps_hard_reg_set): New function.
8936 (decl_conflicts_with_clobbers_p): Rename to:
8937 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8938 Use tree_overlaps_hard_reg_set. Changed caller.
8939 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8940 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8941 * cris.c (cris_md_asm_clobbers): Likewise.
8943 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8945 * reload1.c (emit_input_reload_insns): Delete code that tries to
8946 inherit using find_equiv_reg.
8948 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8950 * c-common.h (flag_const_strings): Don't declare.
8951 * c-common.c (flag_const_strings): Remove.
8952 * c.opt (fconst_strings): Remove.
8953 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8954 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8955 (c_common_init_options): Don't set flag_const_strings.
8956 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8958 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8960 * arm.md (tlobits_cbranch): New pattern.
8961 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8962 testing a single bit.
8964 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8967 * tree-ssa-pre.c (create_component_ref_by_pieces):
8968 Handle RETURN_DECL like VAR_DECL.
8970 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8973 * fold-const.c (fold_indirect_ref_1): Fold
8974 "*(foo *)&complexfoo" to "__real__ complexfoo"
8975 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8977 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8979 * tree-flow-inline.h (var_can_have_subvars):
8980 Volatile variables should not have subvariables.
8982 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8985 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8986 multiplying unsigned values.
8989 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8991 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8993 2006-02-08 Jason Merrill <jason@redhat.com>
8996 * tree.def: Elaborate on difference from MODIFY_EXPR.
8997 * doc/c-tree.texi (INIT_EXPR): Likewise.
8998 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8999 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9000 (gimplify_target_expr): Likewise.
9001 (gimplify_cond_expr): Remove target handling.
9002 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9003 (gimplify_expr): Clobber it here.
9004 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9005 Do return slot optimization if we have an INIT_EXPR.
9008 * tree-inline.c (declare_return_variable): Also clear
9009 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9012 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9015 * gimplify.c (gimplify_one_sizepos): Fix typo.
9017 2006-02-08 Jeff Law <law@redhat.com>
9019 PR tree-optimization/21417
9020 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9021 across a backedge if the control statement at the end of the
9022 block is data dependent on other statements in the same block.
9023 (record_temporary_equivalences_from_stmts): Remove over-conservative
9024 test for threading across backedges.
9026 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9027 control statement, handle all three special cases in the same
9028 manner as they all have the same desired solution. No longer
9029 special case edge flag updating when the post dominator is
9032 2006-02-08 Roger Sayle <roger@eyesopen.com>
9034 * tree.def (CHAR_TYPE): Remove.
9035 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9036 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9037 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9038 (gen_string_type_die): Delete unreachable function.
9040 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9041 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9042 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9043 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9044 * builtins.c (type_to_class): Likewise.
9045 * fold-const.c (fold_convert, build_range_check,
9046 merge_ranges): Likewise.
9047 * expr.c (count_type_elements): Likewise.
9048 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9049 * stor-layout.c (layout_type): Likewise.
9050 * ipa-type-escape.c (type_to_consider): Likewise.
9051 * gimplify.c (omp_firstprivatize_type_sizes,
9052 gimplify_type_sizes): Likewise.
9053 * explow.c (promote_mode): Likewise.
9054 * tree-sra.c (is_sra_scalar_type): Likewise.
9055 * varasm.c (output_constant): Likewise.
9056 * tree-inline.c (remap_type_1): Likewise.
9057 * convert.c (convert_to_pointer, convert_to_real,
9058 convert_to_integer, convert_to_complex): Likewise.
9060 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9062 * df-scan.c (df_def_record_1): A set destination may
9063 be a parallel regardless of mode.
9065 2006-02-08 Roger Sayle <roger@eyesopen.com>
9068 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9069 * config/mips/_tilib.c: Remove.
9070 * config/fixtfdi.c: New libgcc source file.
9071 * config/fixunstfdi.c: New source file.
9072 * config/floatditf.c: New source file.
9073 * config/floatunditf.c: New souce file.
9074 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9075 files above instead of config/mips/_tilib.c.
9076 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9078 2006-02-08 Jeff Law <law@redhat.com>
9080 PR tree-optimization/26169
9081 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9084 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9086 * df.h (DF_REG_SIZE): Return the length of the initialized
9089 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9091 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9092 __muldf3): Return a correctly signed zero.
9094 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9096 * passes.c (register_one_dump_file): Accept the current properties
9097 instead of pass number. Adjust call to dump_register. Remove
9099 (register_dump_files): Now a wrapper around...
9100 (register_dump_files_1): ... this one. Do not modify the pass
9102 (next_pass_1): Cosmetic fix.
9103 (execute_todo): Keep second parameter only. Use curr_properties
9104 instead of fetching it from the pass structure. Check and set
9106 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9107 instead of fetching it from the pass structure. Fix calls to
9108 execute_todo. Update curr_properties and initialize .vcg RTL dump
9109 after running the pass. Reset last_verified.
9110 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9112 (FIRST_AUTO_NUMBERED_DUMP): New.
9113 (dump_register): Remove "num" parameter, assign it within the
9115 (get_dump_file_name): Modify template for dumps.
9116 * tree-dump.h (dump_register): Adjust prototype.
9117 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9118 (PROP_trees): Add PROP_gimple_lomp.
9119 (TODO_set_props): New.
9120 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9121 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9122 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9124 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9126 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9127 (sparc64-*-linux*): Likewise.
9128 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9129 * config/sparc/t-linux: New file.
9130 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9131 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9132 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9133 -m32 -mlong-double-128.
9135 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9136 * config/alpha/t-linux: New file.
9137 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9139 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9140 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9141 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9142 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9143 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9144 (CPP_ARCH32_SPEC): Remove.
9146 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9148 PR tree-optimization/26145
9149 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9152 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9155 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9156 >= 240000 when generating code for SOM runtime.
9157 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9158 to $$dyncall when generating code for SOM runtime..
9160 2006-02-07 Dirk Mueller <dmueller@suse.com>
9163 * doc/invoke.texi (-Wsequence-point): Update documentation
9164 that -Wsequence-point is implemented for C++ as well.
9166 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9168 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9169 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9170 (LIB_SPEC): Likewise.
9171 * doc/invoke.texi (SPARC options): Document -pthread.
9173 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9175 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9178 2006-02-07 Roger Sayle <roger@eyesopen.com>
9180 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9181 Correct comment describing BOOLEAN_TYPE.
9183 2006-02-07 Dirk Mueller <dmueller@suse.com>
9185 * c.opt: C++ frontend supports -Wdiv-by-zero.
9186 * c-opts.c (c_common_handle_option): Remove dead case.
9188 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9190 * configure.ac (TLS assembler check): Do not enable TLS by
9191 default on SPARC/Solaris before version 10.
9192 * configure: Regenerate.
9194 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9196 * doc/invoke.texi (xl-compat): Document conversion and support
9199 2006-02-07 Jeff Law <law@redhat.com>
9201 * tree-vrp.c (find_conditional_asserts): Update comments.
9202 (simplify_stmt_for_jump_threading): New.
9203 (identify_jump_threads, finalize_jump_threads): New.
9204 (vrp_finalize): Call identify_jump_threads.
9205 (execute_vrp): Call finalize_jump_threads.
9206 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9207 (vrp_element, vrp_data, vrp_element_p): Remove.
9208 (vrp_hash_elt, vrp_variables_stack): Remove.
9209 (vrp_hash, vrp_eq, record_range): Remove.
9210 (simplify_cond_and_lookup_avail_expr): Remove.
9211 (extract_range_from_cond): Remove.
9212 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9213 (simplify_stmt_for_jump_threading): New.
9214 (dom_thread_across_edge): New wrapper.
9215 (tree_ssa_dominator_optimize): No longer initialize or
9216 finalize any of the VRP datastructures. Remove iteration
9217 step and simplify as a result of removal of iteration step.
9218 (pass_dominator): Perform a cfg cleanup after DOM.
9219 (dom_opt_finalize_block): Use the new common routines
9220 for threading jumps. Simplify stack management slightly.
9221 No longer need to unwind VRP state.
9222 (record_equivalences_from_incoming_edge): No longer record
9224 (eliminate_redundant_computations): No longer call
9225 simplify_cond_and_lookup_avail_expr.
9226 * tree-flow.h (potentially_threadable_block): Prototype.
9227 (thread_across_edge): Likewise.
9228 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9229 (tree-ssa-threadedge.o): Add dependencies.
9230 * tree-ssa-threadedge.c: New file.
9231 * passes.c (init_optimization_passes): Merge PHIs before
9232 calling VRP. Run VRP again late in the SSA optimization pipeline.
9234 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9236 * df-core.c (df_set_blocks): Do not dereference function pointers.
9237 (df_finish1): Likewise.
9238 (df_hybrid_search_forward): Likewise.
9239 (df_hybrid_search_backward): Likewise.
9240 (df_iterative_dataflow): Likewise.
9241 (df_analyze_problem): Likewise.
9242 (df_compact_blocks): Likewise.
9243 (df_dump): Likewise.
9244 * df-scan.c (df_rescan_blocks): Likewise.
9245 (df_record_entry_block_defs): Likewise.
9247 * genconditions.c (write_conditions): Guard the definition of
9248 'insn_conditions' with the check on GCC version.
9249 (write_writer): Guard the traversal 'insn_conditions' with
9250 the check on GCC version.
9252 2006-02-07 Richard Guenther <rguenther@suse.de>
9256 2006-01-30 Richard Guenther <rguenther@suse.de>
9258 * gimplify.c (gimplify_target_expr): Handle easy cases
9259 without creating a temporary.
9261 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9263 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9264 use of float in probability computations. Use edge probabilities
9265 in place of statically computed probabilities.
9266 (min_spec_prob): New static variable.
9267 (schedule_insns): Initialize it.
9268 (GET_SRC_PROB): Removed.
9269 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9271 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9274 * config/ia64/unwind-ia64.c: Revert last change.
9275 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9276 (INCOMING_FRAME_SP_OFFSET): Define.
9278 2006-02-06 Roger Sayle <roger@eyesopen.com>
9280 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9282 2006-02-07 Ben Elliston <bje@au.ibm.com>
9284 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9285 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9286 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9287 (ix86_return_in_memory): Handle TDmode.
9288 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9289 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9291 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9293 * reorg.c (dbr_schedule): Use dump_file instead of file.
9295 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9298 * config/ia64/predicates.md (extr_len_operand): New predicate.
9299 * config/ia64/ia64.md (extv): Tighten constraints.
9301 (*tbit_and_2): Ditto.
9302 (*tbit_and_3): Ditto.
9303 (*tbit_or_2): Ditto.
9304 (*tbit_or_3): Ditto.
9308 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9311 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9313 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9315 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9316 loop_optimizer_init and loop_optimizer_finalize
9317 * tree-ssa-sink.c (execute_sink_code): Ditto.
9318 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9319 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9320 tree_ssa_loop_done): Ditto.
9321 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9322 * sched-ebb.c: Include output.h.
9323 (schedule_ebbs): Do not use dump argument.
9324 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9325 * loop.c (loop_dump_stream): Removed.
9326 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9328 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9329 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9330 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9331 loop_iterations, strength_reduce, record_biv, record_giv,
9332 final_giv_value, check_final_value, check_ext_dependent_givs,
9333 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9334 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9335 dump_file instead of loop_dump_stream.
9336 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9338 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9340 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9341 * haifa-sched.c: Include output.h
9342 (schedule_insns, sched_init): Do not use dump argument.
9343 * mode-switching.c (optimize_mode_switching): Ditto.
9344 * modulo-sched.c (stats_file): Removed.
9345 (print_node_sched_params): Do not call argument dump_file.
9346 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9347 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9349 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9351 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9352 rtl_loop_init, rtl_loop_done): Ditto.
9353 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9354 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9356 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9357 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9358 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9359 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9360 * emit-rtl.c (renumber_insns): Ditto.
9361 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9362 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9363 * regclass.c (regclass): Ditto.
9364 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9365 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9366 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9367 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9369 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9370 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9372 * gcse.c (gcse_file, debug_stderr): Removed.
9373 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9374 rest_of_handle_gcse): Do not use dump argument.
9375 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9376 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9377 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9378 compute_code_hoist_vbeinout, compute_code_hoist_data,
9379 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9380 compute_store_table, build_store_vectors, insert_insn_start_bb,
9381 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9382 store_motion): Use dump_file instead of gcse_file.
9383 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9384 * profile.c (profile_dump_file): Removed.
9385 (branch_prob): Use dump_file instead of profile_dump_file.
9386 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9388 * tree-ssa-copy.c (dump_copy_of): Ditto.
9389 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9390 dump file to life_analysis.
9391 * bt-load.c (branch_target_load_optimize): Ditto.
9392 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9394 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9395 regclass, dbr_schedule): Declaration changed.
9396 * sched-int.h (sched_init): Declaration changed.
9397 * tree-profile.c (tree_profile_dump_file): Removed.
9398 (tree_profile_hooks): Removed profile_dump_file hook.
9399 * rtl-profile (rtl_profile_dump_file): Removed.
9400 (rtl_profile_hooks): emoved profile_dump_file hook.
9401 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9403 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9404 * tree-cfg.c (build_tree_cfg): Ditto.
9405 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9406 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9407 Declaration changed.
9408 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9409 life_analysis and schedule_insns.
9410 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9412 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9414 * config/mips/mips.c (mips_reorg): Ditto.
9415 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9418 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9420 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9421 (s390_mangle_fundamental_type): New.
9422 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9425 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9426 (alpha_mangle_fundamental_type): New.
9427 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9430 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9432 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9434 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9435 (sparc_mangle_fundamental_type): New.
9437 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9439 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9440 (s390x-*-linux*): Likewise.
9441 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9442 * config/s390/t-linux: New file.
9444 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9446 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9447 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9449 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9451 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9452 (ANTIC_SAFE_LOADS): New macro.
9453 (find_or_generate_expression): Add prototype.
9454 (set_contains_value): Allow null set for sake of not always having
9455 to allocate ANTIC_SAFE_LOADS.
9456 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9457 Allow COMPONENT_REF too.
9458 (valid_in_set): Allow COMPONENT_REF.
9459 Check ANTIC_SAFE_LOADS too.
9460 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9461 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9463 (can_PRE_operation): Add COMPONENT_REF.
9464 (create_component_ref_by_pieces): New function.
9465 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9466 (insert_aux): Move AGGREGATE_TYPE_P check here.
9467 (compute_avail): Set bb local stmt uids.
9468 (pass_pre): Use TODO_update_ssa_only_virtuals.
9470 2006-02-06 Ben Elliston <bje@au.ibm.com>
9472 * configure.ac: Unconditionally disable decimal float by default.
9473 * configure: Regenerate.
9475 2006-02-06 Ben Elliston <bje@au.ibm.com>
9477 * read-rtl.c (read_name): Terminate reading on EOF.
9479 2006-02-06 Ben Elliston <bje@au.ibm.com>
9481 * dfp.c (decimal_real_arithmetic): Change second argument type
9482 from int to enum tree_code. Do not always return true, but now
9483 return result of any call to decimal_do helper functions.
9484 * dfp.h (decimal_real_arithmetic): Update prototype.
9486 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9488 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9490 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9493 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9496 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9498 * tree-vrp.c (cfg_loops): Removed.
9499 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9500 Use current_loops instead of cfg_loops. Pass flags to
9501 loop_optimizer_init.
9502 * cfgloopmanip.c (fix_loop_structure): Update only available
9504 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9505 loop_optimizer_init.
9506 * modulo-sched.c (build_loops_structure): Removed.
9507 (sms_schedule): Use loop_optimizer_init.
9508 * loop-init.c (loop_optimizer_init): Use flags to determine
9509 which properties of loops to prepare.
9510 (rtl_loop_init): Pass flags to loop_optimizer_init.
9511 * tree-ssa-sink.c (execute_sink_code): Ditto.
9512 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9513 * tree-ssa-pre.c (init_pre): Ditto.
9514 * cfgloop.h (LOOPS_NORMAL): New.
9515 (loop_optimizer_init): Declaration changed.
9517 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9519 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9520 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9522 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9524 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9526 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9527 * pa/t-pa64: Delete quadlib.c rule.
9528 * pa/x-ada: Revert last change.
9529 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9531 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9533 PR rtl-optimization/26087
9534 * rtlanal.c (canonicalize_condition): Do not cross basic block
9537 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9540 * config/ia64/ia64.c: Include debug.h.
9541 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9542 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9543 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9544 (process_epilogue, process_set, process_for_unwind_directive):
9545 Output unwind info only if requested. Add CFA info if requested.
9546 Add new arguments as needed. Adjust callers.
9547 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9549 (DWARF2_FRAME_INFO): Define to zero.
9550 * config/ia64/unwind-ia64.c: Remove code that compensated for
9551 the CFA offset error fixed above.
9552 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9553 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9554 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9555 -funwind-tables and -fexceptions to enable frame info.
9556 (dwarf2out_frame_init): Define initial CFA even if
9557 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9558 DWARF2_UNWIND_INFO is nonzero, not just defined.
9559 (dwarf2out_frame_finish): Output non-EH call frame info only
9560 if DWARF2_FRAME_INFO is nonzero.
9561 (convert_cfa_to_loc_list,
9562 compute_frame_pointer_to_cfa_displacement): Define even if
9563 unwind info is not supported.
9564 (gen_subprogram_die): Use the above unconditionally. Remove
9565 legacy alternate code.
9566 * toplev.c (compile_file): Compile in call to
9567 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9568 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9570 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9571 Jakub Jelinek <jakub@redhat.com>
9573 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9574 IBM extended float format long double as "g" on powerpc*-linux.
9576 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9579 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9580 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9582 2006-02-03 Jason Merrill <jason@redhat.com>
9585 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9588 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9589 on the return slot if it's an NRV.
9591 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9593 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9594 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9595 rewrite_use): Do not handle USE_OUTER.
9596 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9597 add_iv_outer_candidates, may_replace_final_value,
9598 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9599 (find_interesting_uses_op): Functionality of
9600 find_interesting_uses_outer_or_nonlin moved here.
9601 (find_interesting_uses_outside): Use find_interesting_uses_op.
9603 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9606 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9608 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9609 Ulrich Weigand <uweigand@de.ibm.com>
9612 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9613 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9614 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9615 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9617 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9618 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9619 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9620 Define secondary reloads for TFmode moves.
9621 (constant_modes): Add TFmode.
9622 (NR_C_MODES): Set to 8.
9623 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9625 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9626 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9627 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9628 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9629 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9630 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9631 (FPR mode macro): Add TFmode.
9632 (DSF mode macro): New.
9633 (<de>, <dee> mode attributes): Removed.
9634 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9635 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9636 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9637 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9638 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9639 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9640 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9641 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9642 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9643 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9644 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9645 "*negabs<mode>2", "sqrt<mode>2"):
9646 Changed <de> to <xde>. R constraint replaced by <Rf>.
9647 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9649 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9650 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9651 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9653 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9654 "extenddftf2", "extendsftf2"): New expanders.
9655 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9656 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9657 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9658 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9660 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9661 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9662 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9663 __floatditf): Add a GCC_4.1.0 symbol version tag.
9664 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9667 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9670 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9671 Use targetm.binds_local_p instead of TREE_PUBLIC.
9673 2006-02-02 Roger Sayle <roger@eyesopen.com>
9675 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9676 on INTEGER_TYPEs to indicate that it denotes a character type.
9677 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9678 signed_char_type_node, unsigned_char_type_node and char_type_node.
9679 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9680 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9681 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9683 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9684 Daniel Berlin <dberlin@dberlin.org>
9686 * tree-tailcall.c (arg_needs_copy_p): New function.
9687 (eliminate_tail_call): Use arg_needs_copy_p.
9688 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9689 (add_virtual_phis): New function.
9691 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9693 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9694 #ignore instead of #scratch for %g7 .register directive.
9696 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9698 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9701 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9703 * flow.c (calculate_global_regs_live): Assert that there aren't any
9706 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9708 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9710 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9711 bsi_after_labels iterator.
9712 * tree-if-conv.c (find_phi_replacement_condition,
9713 replace_phi_with_cond_modify_expr): Likewise.
9714 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9715 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9717 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9719 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9721 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9724 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9725 array after growing it.
9727 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9730 * fold-const.c (fold_checksum_tree): Change type of buf.
9732 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9734 * reload.c (push_secondary_reload): Initialize t_icode.
9736 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9738 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9739 -msoft-float -mlong-double-128 only issue a warning, but don't
9740 swich to DFmode long double.
9742 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9744 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9745 has a constant equivalent, iterate over equivalents for arg0,
9746 calling simplify_relational_operation and if there's a result
9747 cheaper than X, apply fold_rtx and return the result.
9749 2006-02-01 Jan Hubicka <jh@suse.cz>
9751 * opts.c (no_unit_at_a_time_default): New global variable.
9752 (decode_options): Use it.
9753 * opts.h (no_unit_at_a_time_default): Declare.
9755 2006-02-01 Paul Brook <paul@codesourcery.com>
9757 * function.c (assign_parm_setup_reg): Use function argument promotion
9759 * expr.c (expand_expr_real_1): Use function argument promotion rules
9762 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9764 * gcc.c (process_command): Change j to 'unsigned int'.
9766 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9769 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9770 Use the corrected index for the character
9771 out of the string constant.
9773 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9775 * mode-switching.c (optimize_mode_switching): Fix size
9776 allocated for bb_info[n_entities].
9778 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9780 * gcc.c (main): Correct type that is allocated for
9781 explicit_link_files.
9783 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9785 * config/s390/s390.c (init_alignment_context): Set
9786 ALIAS_SET_MEMORY_BARRIER on the MEM.
9787 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9789 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9792 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9794 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9797 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9799 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9800 * regrename.c: Ditto.
9801 * tree-ssa-loop-im.c: Ditto.
9802 * tree-dump.c: Ditto.
9803 * tree-complex.c: Ditto.
9804 * genrecog.c: Ditto.
9805 * tree-ssa-threadupdate.c: Ditto.
9807 * java/class.c: Ditto.
9808 * java/jcf-parse.c: Ditto.
9809 * java/resource.c: Ditto.
9810 * java/except.c: Ditto.
9811 * java/jvspec.c: Ditto.
9812 * java/jcf-write.c: Ditto.
9813 * java/jcf-path.c: Ditto.
9814 * java/gjavah.c: Ditto.
9815 * java/zextract.c: Ditto.
9816 * java/jcf-io.c: Ditto.
9817 * java/jcf.h: Ditto.
9818 * java/buffer.c: Ditto.
9819 * java/lang.c: Ditto.
9820 * java/parse-scan.y: Ditto.
9821 * java/lex.c: Ditto.
9822 * java/lex.h: Ditto.
9823 * cfgloopmanip.c: Ditto.
9824 * postreload-gcse.c: Ditto.
9825 * tree-ssa-loop-manip.c: Ditto.
9826 * postreload.c: Ditto.
9827 * tree-ssa-loop-ch.c: Ditto.
9831 * diagnostic.c: Ditto.
9833 * genoutput.c: Ditto.
9835 * cfghooks.c: Ditto.
9836 * cfgloopanal.c: Ditto.
9837 * objc/objc-act.c: Ditto.
9839 * genextract.c: Ditto.
9840 * genautomata.c: Ditto.
9841 * pretty-print.c: Ditto.
9843 * cgraphunit.c: Ditto.
9846 * haifa-sched.c: Ditto.
9847 * dominance.c: Ditto.
9849 * tree-ssa-loop-ivopts.c: Ditto.
9851 * mode-switching.c: Ditto.
9852 * modulo-sched.c: Ditto.
9854 * ipa-pure-const.c: Ditto.
9856 * fix-header.c: Ditto.
9858 * tree-stdarg.c: Ditto.
9859 * ipa-utils.c: Ditto.
9860 * loop-init.c: Ditto.
9861 * ipa-inline.c: Ditto.
9864 * alloc-pool.c: Ditto.
9865 * dwarf2out.c: Ditto.
9867 * genattrtab.c: Ditto.
9868 * tree-ssa-loop-ivcanon.c: Ditto.
9872 * fortran/gfortranspec.c: Ditto.
9874 * local-alloc.c: Ditto.
9875 * langhooks.c: Ditto.
9876 * function.c: Ditto.
9877 * tree-vectorizer.c: Ditto.
9879 * ipa-type-escape.c: Ditto.
9881 * tree-if-conv.c: Ditto.
9884 * tree-data-ref.c: Ditto.
9885 * loop-unroll.c: Ditto.
9886 * treelang/treetree.c: Ditto.
9889 * ggc-common.c: Ditto.
9891 * coverage.c: Ditto.
9893 * tree-cfgcleanup.c: Ditto.
9894 * tree-ssa-pre.c: Ditto.
9895 * cfgcleanup.c: Ditto.
9896 * loop-invariant.c: Ditto.
9898 * ipa-prop.c: Ditto.
9899 * print-tree.c: Ditto.
9900 * conflict.c: Ditto.
9901 * ggc-page.c: Ditto.
9902 * sched-deps.c: Ditto.
9903 * regclass.c: Ditto.
9904 * tree-object-size.c: Ditto.
9906 * bb-reorder.c: Ditto.
9907 * resource.c: Ditto.
9908 * var-tracking.c: Ditto.
9910 * df-problems.c: Ditto.
9911 * reg-stack.c: Ditto.
9914 * sched-rgn.c: Ditto.
9915 * tree-ssa-structalias.c: Ditto.
9916 * tree-ssa-reassoc.c: Ditto.
9917 * config/darwin-c.c: Ditto.
9918 * config/darwin.c: Ditto.
9919 * config/arm/arm.c: Ditto.
9921 * collect2.c: Ditto.
9924 2006-01-31 Nicolas Pitre <nico@cam.org>
9926 * arm.md (smaxsi3): Make aware of smax_m1.
9929 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9931 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9933 2006-01-31 Richard Guenther <rguenther@suse.de>
9935 * doc/invoke.texi (-msselibm): Document.
9936 * target.h (expand_library_builtin): New target hook.
9937 * builtins.c (expand_builtin): Use expand_library_builtin.
9938 (default_expand_library_builtin): New function.
9939 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9940 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9941 (link_gcc_math_spec): Declare.
9942 (static_specs): Add link_gcc_math_spec.
9943 * expr.h (default_expand_library_builtin): Declare.
9944 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9945 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9946 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9947 * config/i386/i386.opt (msselibm): New target option.
9948 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9949 (ix86_init_sse_abi_builtins): New function.
9950 (ix86_expand_library_builtin): Likewise.
9951 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9952 (override_options): Handle error conditions wrt -msselibm.
9953 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9954 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9955 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9958 2006-01-31 Richard Guenther <rguenther@suse.de>
9959 Paolo Bonzini <bonzini@gnu.org>
9961 * doc/install.texi (--disable-libgcc-math): Document.
9963 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9965 * expr.h (expand_normal): new inline function.
9966 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9968 * dwarf2out.c: use it.
9973 * config/sparc/sparc.c: use it.
9974 * config/i386/i386.c: use it.
9975 * config/rs6000/rs6000.c: use it.
9976 * config/arm/arm.c: use it.
9977 * config/mips/mips.c: use it.
9978 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9980 2006-01-30 Roger Sayle <roger@eyesopen.com>
9982 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9983 argv to the appropriate type.
9985 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9987 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9990 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9993 * config/s390/s390.c (struct machine_function): New flag
9994 decomposed_literal_pool_addresses_ok_p.
9995 (s390_reorg): Set it before final stage of literal pool transforms.
9996 (s390_decompose_address): Only accept displacements of the form
9997 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9999 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10001 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10002 the comparison routine return.
10004 2006-01-30 Michael Matz <matz@suse.de>
10006 * global.c (find_reg): Only evict for global regs.
10007 Take n_refs into account and dump more info.
10009 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10012 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10013 (pragma_trap, pragma_nosave_low_regs): Likewise.
10014 (current_function_anonymous_args): Likewise.
10015 (sh_deferred_function_attributes): New variable.
10016 (sh_deferred_function_attributes_tail): Likewise.
10017 (print_operand): For '@', look up trap_exit attribute.
10018 (calc_live_regs): Look up trapa_handler attribute. For trapa
10019 handlers, save/restore fpscr, but don't do any other
10020 interrupt-specific saves.
10021 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10022 Fix check for partially saved registers to check for SHmedia.
10023 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10024 (sh_output_function_epilogue): Don't clear any of the removed
10026 (sh_insert_attributes): Don't check pragma_interrupt.
10027 Insert deferred attributes. Check that interrupt attribute is
10028 present for other attributes that require its presence.
10029 (sh_attribute_table): Add new attributes trapa_handler and
10031 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10032 Don't check for pragma_interrupt. Don't store argument.
10033 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10034 (sh_deferred_function_attributes): Declare.
10035 (sh_deferred_function_attributes_tail): Likewise.
10036 * sh.md (sp_switch_1): Add operand. Change generator caller.
10037 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10038 (*return_i): Don't use when trap_exit attribute is in effect.
10039 (*return_trapa): New insn pattern.
10040 * sh-c.c: New file.
10041 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10042 setting c_target_objs and cxx_target_objs.
10043 * t-sh: Add rule for sh-c.o.
10045 2006-01-30 Richard Guenther <rguenther@suse.de>
10048 * gimplify.c (gimplify_target_expr): Handle easy cases
10049 without creating a temporary.
10051 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10053 * vec.h (safe_grow): Remove duplicated line.
10055 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10058 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10059 (expand_omp): ... here.
10060 (expand_omp_parallel): Only remove barriers for combined
10061 parallel+workshare constructs.
10063 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10067 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10068 * tree.c (build_qualified_type): Chain the new type to the original
10069 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10070 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10071 (build_pointer_type_for_mode): Only return unqualified types.
10072 (build_reference_type_for_mode): Likewise.
10074 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10076 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10077 * Makefile.in (CXX_COMPAT_WARN): Define.
10078 * configure: Regenerate.
10080 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10083 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10086 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10088 * toplev.c: Fix thinko.
10090 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10091 Marcin Dalecki <martin@dalecki.de>
10093 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10094 (push_srcloc): Use XNEW.
10095 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10097 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10099 * df-core.c (df_set_blocks): Deleted all variable.
10101 2006-01-28 Ian Lance Taylor <ian@airs.com>
10103 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10104 cgraph_output_pending_asms.
10106 2006-01-28 Zack Weinberg <zackw@panix.com>
10108 * c.opt: Add -W(no-)overlength-strings.
10109 * doc/invoke.texi: Document it.
10110 * c-opts.c (c_common_handle_option): -pedantic implies
10111 -Woverlength-strings, if not explicitly disabled already.
10112 (c_common_post_options): -Woverlength-strings defaults to off, and
10113 is always off for C++.
10114 * c-common.c (fix_string_type): Issue warning about strings longer
10115 than is portable only if warn_overlength_strings. Rearrange code
10116 a little for clarity.
10117 * configure.in: Check for -Wno-overlength-strings as well before
10118 enabling -pedantic in stage 1.
10119 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10120 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10122 * genconditions.c (write_header, write_one_condition)
10123 (write_conditions, write_writer): Consolidate very long strings
10124 that were broken up to fit in C89 portable limit. Don't use
10125 printf when fputs will do.
10127 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10129 * combine.c (simplify_comparison <AND>): Check
10130 TRULY_NOOP_TRUNCATION before start using a subreg.
10132 * config/mips/mips.md (*branch_zero<mode>,
10133 *branch_zero<mode>_inverted, *branch_equality<mode>,
10134 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10135 Remove mode check from comparisons.
10137 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10139 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10141 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10143 * expmed.c (const_mult_add_overflow_p): Remove.
10144 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10146 * recog.c (validate_replace_rtx_subexp): Remove.
10147 * recog.h: Remove the prototype for
10148 validate_replace_rtx_subexp.
10150 * integrate.h: Remove the prototype for
10151 copy_decl_for_inlining.
10152 * rtl.h: Remove the prototype for mark_constant_function.
10153 * tree-vectorizer.h: Remove the prototype for
10154 vect_strip_conversion.
10156 * modulo-sched.c (create_partial_schedule,
10157 free_partial_schedule, reset_partial_schedule): Make them
10160 * hooks.c (hook_bool_rtx_int_false): Remove.
10161 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10163 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10165 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10166 and -mlong-double-128 are incompatible.
10167 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10168 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10169 (TARGET_LIBGCC2_CFLAGS): Define.
10170 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10171 (TARGET_LIBGCC2_CFLAGS): Same.
10172 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10174 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10177 * c-typeck.c (build_binary_op): Perform implicit casts of
10178 operands before shortening them.
10180 * cfgloopmanip.c (split_loop_bb): Remove.
10181 * cfgloop.h: Remove the prototype for split_loop_bb.
10183 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10184 * cfgloop.h: Remove the prototype for
10185 flow_loop_outside_edge_p.
10187 * emit-rtl.c (init_virtual_regs): Make it static.
10188 * function.h: Remove the prototype for init_virtual_regs.
10190 * recog.c (peephole2_optimize): Make it static.
10191 * recog.h: Remove the prototype for peephole2_optimize.
10193 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10195 * df-scan.c (df_record_entry_block_defs): Check if
10196 INCOMING_RETURN_ADDR_RTX is defined.
10198 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10199 Kenneth Zadeck <zadeck@naturalbridge.com>
10201 PR rtl-optimization/24762
10202 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10203 * targhooks.c (hook_void_bitmap): New hook prototype.
10204 * targhoohs.h (hook_void_bitmap): Ditto.
10205 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10206 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10207 * target.h (live_on_entry): New function pointer.
10208 * df-scan.c (df_all_hard_regs): Removed.
10209 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10210 (df_scan_free_internal): Added df->entry_block_defs.
10211 (df_scan_alloc): Ditto.
10212 (df_scan_dump): Ditto.
10213 (df_uses_record): Plumbed flag field properly thru calls.
10214 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10215 This part fixes PR24762.
10216 (df_bb_refs_record): Added code to make the frame and arg
10217 pointers live in EH blocks.
10218 (df_refs_record): Added call to df_record_entry_block_defs.
10219 (df_record_entry_block_defs): New function.
10220 * df-core.c: Added comments to describe new artifical defs.
10221 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10222 (entry_block_defs): New field in struct df.
10223 (df_all_hard_regs): Deleted.
10224 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10225 * df-problems.c (df_ru_bb_local_compute_process_def):
10226 Added code to handle artifical defs in the entry to a function.
10227 (df_ru_bb_local_compute): Ditto.
10228 (df_rd_bb_local_compute_process_def): Ditto.
10229 (df_rd_bb_local_compute): Ditto.
10230 (df_lr_bb_local_compute): Ditto.
10231 (df_ur_bb_local_compute): Ditto.
10232 (df_urec_bb_local_compute): Ditto.
10233 (df_chain_create_bb): Ditto.
10234 (df_ur_local_finalize): Removed entry.
10235 (df_urec_init): Ditto.
10236 (df_urec_local_finalize): Ditto.
10237 (df_ri_bb_compute): Added detection of last use of pseudos.
10238 * Makefile.in (df-scan.o): Updated dependencies.
10239 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10240 * config/mips/mips.c (mips_set_live_on_entry): Added.
10241 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10243 * dce.c (marked_insn_p): Added code to handle artifical defs.
10245 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10247 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10249 (_mm_cvtsi128_si64): Likewise.
10250 (_mm_cvtsd_si64): Likewise.
10251 (_mm_cvttsd_si64): Likewise.
10252 (_mm_cvtsi64_sd): Likewise.
10253 (_mm_cvtsi64_si128): Likewise.
10254 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10255 (_mm_cvtsi64_m64): Likewise.
10256 (_m_to_int64): Likewise.
10257 (_mm_cvtm64_si64): Likewise.
10258 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10259 (_mm_cvttss_si64): Likewise.
10260 (_mm_cvtsi64_ss): Likewise.
10261 (_mm_cvtss_f32): Likewise.
10263 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10265 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10266 for pragma redefine_extname.
10268 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10271 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10272 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10273 -mno-minimal-toc to previous content.
10274 (bispecs): Remove goal.
10275 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10276 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10277 compatibility aliases on powerpc-*-*gnu*.
10278 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10279 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10280 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10281 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10282 (ldblspecs): New goal.
10283 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10284 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10286 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10287 L_sf_to_tf or L_df_to_tf is defined.
10289 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10290 Alan Modra <amodra@bigpond.net.au>
10293 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10294 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10295 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10296 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10297 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10298 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10299 (rs6000_override_options): Initialize rs6000_ieeequad.
10300 Initialize TFmode format to ibm_extended_format if not
10302 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10304 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10305 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10306 (function_arg_advance): IBM long double passed in two FPRs, not
10308 (function_arg): IBM long double passed in FPRs.
10309 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10310 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10311 Only multireg GPR aligned.
10312 (rs6000_init_libfuncs): Enable IBM long double functions if not
10314 (rs6000_generate_compare): Use IBM long double compare if not
10316 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10317 (TARGET_IEEEQUAD): Define.
10318 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10319 not TARGET_IEEEQUAD.
10320 * config/rs6000/rs6000.md: Enable TFmode patterns if
10322 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10323 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10324 and -mlong-double-128 are incompatible.
10325 * doc/invoke.texi (-mabi): Collect options together. Add
10326 ibmlongdouble and ieeelongdouble.
10328 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10330 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10332 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10333 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10334 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10335 * rtl.h (rtunion_def): Remove rt_ptr.
10337 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10338 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10339 * config/i386/winnt.c (i386_pe_mark_dllexport)
10340 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10342 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10344 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10346 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10350 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10351 pthread_key_delete. From John David Anglin. gthrw-ify
10352 pthread_getunique_np only if it it's not a macro. Delete
10354 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10355 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10356 __gthread_objc_condition_signal, __gthread_key_delete): Add
10357 "__attribute__ ((__unused__))" to unused arguments.
10358 (__gthread_recursive_mutex_init_function): Add missing return.
10359 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10360 gthr-posix95.h: Use macro-based approach for name redirection
10361 on targets missing weakref.
10363 2006-01-26 Zack Weinberg <zackw@panix.com>
10365 * genconditions.c (write_header): In generated code, #ifdef out
10366 all includes and fake declarations, except includes of bconfig.h
10367 and system.h, unless GCC_VERSION >= 3001. Do not include
10368 gensupport.h in any case.
10369 (write_conditions): Generate a definition of struct c_test. Add
10370 a comment to the generated #endif.
10371 (write_one_condition): Escape backslashes in string too.
10372 (write_writer): Generated code must escape backslashes and quote
10373 marks (but not newlines) in the strings it writes.
10374 * Makefile.in (build/gencondmd.o): Update dependencies.
10376 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10379 * Makefile.in (insn-automata.o): Add header file dependencies.
10380 * genautomata.c: Add includes.
10382 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10385 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10387 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10389 * configure.ac: Expect target tools paths to be passed from the toplevel
10390 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10392 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10394 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10397 * c.opt (Wpointer-sign): Init to -1.
10398 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10399 OPT_pedantic, to 0 otherwise.
10400 * doc/invoke.texi: Update.
10402 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10404 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10405 constants provided by 80387 instructions in the destination mode.
10407 2006-01-26 Richard Guenther <rguenther@suse.de>
10408 Andrew Pinski <pinskia@physics.uc.edu>
10411 partial PR tree-opt/17064
10412 * tree-ssa-structalias.c (intra_create_variable_infos):
10413 Create heap variables for incoming parameters if
10414 flag_argument_noalias > 1.
10415 (find_what_p_points_to): Look through default defs of
10418 2006-01-26 Jeff Law <law@redhat.com>
10421 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10422 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10423 within the VR_RANGE, use the VR_RANGE as the result, not the
10425 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10426 bounds for the type.
10428 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10430 * tree-ssa-alias.c (maybe_create_global_var): Change
10431 subvar walking to an assertion that we don't have subvar'd variables.
10433 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10436 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10437 Use a new variable, inner. PARM_DECLs are always non-weak.
10439 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10441 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10442 --disable-checking.
10444 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10446 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10448 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10450 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10451 (smax_insn, smin_insn, smax_0, smin_0): New.
10453 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10456 * config/cris/cris.c (cris_order_for_addsi3): New function.
10457 * config/cris/cris-protos.h: Prototype it.
10458 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10459 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10460 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10461 (split for "op.S1 [rx=rx+i],ry (swapped)")
10462 (split for "op(s|u).S1 [rx=rx+i],ry")
10463 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10464 Apply cris_order_for_addsi3 when generating addsi3 insns.
10466 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10468 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10469 (TREE_BLOCK): Add call to EXPR_CHECK.
10471 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10474 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10475 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10476 (dump_omp_clauses): ... here.
10477 (dump_generic_node): Handle OMP_CLAUSE.
10478 * tree.c (omp_clause_num_ops): New.
10479 (omp_clause_code_name): New.
10480 (tree_code_size): Handle OMP_CLAUSE.
10481 (tree_size): Likewise.
10482 (make_node): Document handling of OMP_CLAUSE.
10483 (tree_node_structure): Handle OMP_CLAUSE.
10484 (omp_clause_check_failed): New.
10485 (omp_clause_range_check_failed): New.
10486 (omp_clause_operand_check_failed): New.
10487 (build_omp_clause): New.
10488 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10489 * tree.h (enum omp_clause_code): Declare.
10490 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10491 (OMP_CLAUSE_RANGE_CHECK): Define.
10492 (OMP_CLAUSE_ELT_CHECK): Define.
10493 (omp_clause_check_failed): Declare.
10494 (omp_clause_operand_check_failed): Declare.
10495 (omp_clause_range_check_failed): Declare.
10496 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10497 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10498 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10499 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10500 (OMP_CLAUSE_IF_EXPR): Likewise.
10501 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10502 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10503 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10504 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10505 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10506 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10507 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10508 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10509 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10510 (OMP_CLAUSE_CODE): Define.
10511 (OMP_CLAUSE_SET_CODE): Define.
10512 (OMP_CLAUSE_CODE): Define.
10513 (OMP_CLAUSE_OPERAND): Define.
10514 (struct tree_omp_clause): Declare.
10515 (union tree_node): Add field 'omp_clause'.
10516 * treestruct.def (TS_OMP_CLAUSE): Define.
10517 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10518 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10519 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10520 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10521 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10522 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10523 (OMP_CLAUSE): Define.
10524 * print-tree.c (print_node): Handle OMP_CLAUSE.
10525 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10526 * c-typeck.c: Likewise.
10527 * gimplify.c: Likewise.
10528 * c-omp.c: Likewise.
10529 * tree-nested.c: Likewise.
10530 * tree-inline.c: Likewise.
10531 * c-parser.c: Likewise.
10532 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10535 2006-01-25 Roger Sayle <roger@eyesopen.com>
10537 PR rtl-optimization/25703
10538 * combine.c (try_combine): Handle zero_extract and strict_low_part
10539 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10541 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10543 * global.c: Fix comment typos.
10545 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10548 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10549 Use output_addr_const instead of assemble_name.
10551 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10553 * Makefile.in (sched-vis.o): Update dependencies.
10554 * haifa-sched.c (sched_finish): Clear current_sched_info.
10555 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10556 (dump_flow_info): Call it.
10557 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10559 * basic-block.h (dump_bb_info): Declare.
10560 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10561 option, and apply options only for dump files whose TDF_RTL,
10562 TDF_TREE, or TDF_IPA bits match.
10563 * rtl.h: Declare new functions exported from sched-vis.c.
10564 * sched-vis.c: Enable also if scheduling is not used.
10565 (print_value): Print the mode of registers if not inside scheduling.
10566 (print_insn): Make it work outside the scheduler. Beautify the output
10568 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10570 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10572 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10573 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10574 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10575 depending on the value of CONSTANT_POOL_ADDRESS_P.
10576 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10578 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10579 rather than SYMBOL_REF_DECL.
10580 (rtx_constant_pool): Remove const_rtx_sym_htab.
10581 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10582 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10583 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10584 Remove handling of const_rtx_sym_htab.
10585 (find_pool_constant): Delete.
10586 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10587 rather than find_pool_constant.
10588 (get_pool_constant_for_function): Delete.
10589 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10590 find_pool_constant.
10591 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10592 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10593 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10594 (SYMBOL_REF_CONSTANT): New macro.
10595 (get_pool_constant_for_function): Delete.
10596 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10597 rather than SYMBOL_REF_DECL.
10598 (i386_pe_mark_dllimport): Likewise.
10599 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10600 rather than SYMBOL_REF_DECL.
10601 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10602 (machopic_indirect_call_target): Likewise.
10604 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10606 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10608 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10610 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10612 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10614 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10616 2006-01-24 David Daney <ddaney@avtrex.com>
10619 * configure.ac (enable_tls): New enable option.
10620 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10621 * configure: Regenerate.
10622 * doc/install.texi (--enable-tls): Document new option.
10623 (--disable-tls): Ditto.
10625 2006-01-24 Richard Henderson <rth@redehat.com>
10627 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10628 * alias.c (true_dependence): Respect it.
10629 (canon_true_dependence, write_dependence_p): Likewise.
10630 * builtins.c (get_builtin_sync_mem): Set it.
10632 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10634 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10637 2006-01-24 DJ Delorie <dj@redhat.com>
10639 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10640 for storing constants in single-bit bitfields.
10642 2006-01-25 Ben Elliston <bje@au.ibm.com>
10644 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10646 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10649 * tree-ssa-pre.c (phi_translate): Return NULL
10650 for AGGREGATE_TYPE's.
10652 2006-01-24 Zack Weinberg <zackw@panix.com>
10654 * genautomata.c (process_state_for_insn_equiv_partition):
10655 Use xcalloc for insn_arcs_array.
10656 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10657 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10659 2006-01-24 Richard Henderson <rth@redhat.com>
10661 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10662 update all callers.
10664 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10666 PR rtl-optimization/25890
10667 PR rtl-optimization/25905
10668 * combine.c (expand_compound_operation, expand_field_assignment):
10669 Fail if the bitfield's final position is out of bounds.
10671 2006-01-24 Ian Lance Taylor <ian@airs.com>
10673 PR middle-end/25930
10674 * cgraphunit.c (cgraph_output_in_order): Don't clear
10675 cgraph_asm_nodes until after asm strings have been output.
10677 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10679 * fix-header.c (read_scan_file): Add new parameter imultilib when
10680 calling register_include_chains.
10682 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10684 * omp-low.c: Update documentation.
10686 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10687 Daniel Berlin <dberlin@dberlin.org>
10691 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10692 return from the function.
10694 2006-01-22 Zack Weinberg <zackw@panix.com>
10696 * rtl.def (match_code): Add second argument.
10697 * genpreds.c (write_extract_subexp): New function.
10698 (write_match_code): Add path argument. Use write_extract_subexp.
10699 (write_predicate_expr): Pass path to write_match_code.
10700 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10701 not perform a mode test.
10702 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10703 a subexpression does not constrain the top-level code set.
10704 * read-rtl.c (read_rtx_variadic): New function.
10705 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10706 * doc/md.texi: Document new notation.
10707 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10708 (cmpsi_operand): ... here, using new notation.
10710 2006-01-22 Zack Weinberg <zackw@panix.com>
10712 * varray.c: Remove GENERATOR_FILE #ifdefs.
10714 2006-01-22 Zack Weinberg <zackw@panix.com>
10716 * genautomata.c (output_reserved_units_table): Emit nothing if
10717 description->query_units_num is zero. Remove extra blank line.
10718 (output_cpu_unit_reservation_p): Short circuit
10719 if description->query_units_num is zero.
10721 2006-01-22 Zack Weinberg <zackw@panix.com>
10723 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10724 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10725 nor any of the random handful of variables that used to be necessary
10726 when this program was linked with rtlanal.o. Prune set of forward
10727 function declarations.
10728 (struct attr_desc): Remove static_p field.
10729 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10730 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10731 (attr_string): Do not read the character one past the length of
10733 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10734 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10735 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10736 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10737 (make_automaton_attrs): New.
10738 (main): Do not call into genautomata. Call local gen_bypass
10739 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10740 Remove special case for insn_alts.
10741 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10742 varray.h (leftover from previous change). Prune set of forward
10743 function declarations. Remove state_alts fields from all
10744 structures. Remove state_alts_table from struct automaton.
10745 Make everything except main static. Do not maintain num_dfa_decls.
10746 Do not maintain state_alts fields of various structures.
10747 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10748 (add_arc): Remove state_alts argument. All callers updated.
10749 (output_reserved_units_table): Emit #ifdef here...
10750 (output_tables): ...not here. Don't generate state_alts tables.
10751 (expand_automata): Don't generate attributes.
10752 (write_automata): Don't generate state_alts functions.
10753 (main): New function.
10754 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10755 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10756 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10757 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10758 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10759 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10760 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10761 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10763 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10764 * genattrtab.h: Delete file.
10765 * Makefile.in (OBJS-common): Add insn-automata.o.
10766 (insn-automata.o): New rule.
10767 (simple_generated_c): Add insn-automata.c.
10768 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10769 (genprogmd): Add automata.
10770 (build/genattrtab): Needs no extra objects nor libraries.
10771 (build/genautomata): Needs build/vec.o and -lm.
10773 2006-01-22 Zack Weinberg <zackw@panix.com>
10775 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10776 (output_dfa_max_issue_rate, locked_states_num): Delete.
10777 (struct automaton): Add locked_states field.
10778 (output_dead_lock_vect): Save number of locked states in
10779 automaton->locked_states. If it is zero, don't print anything.
10780 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10781 (output_internal_dead_lock_func): Only test the dead_lock_vect
10782 for automata that have locked states.
10783 (output_statistics): Always print the number of locked states for
10784 each automaton. Calculate total number of locked states here.
10785 (write_automata): Don't call output_dfa_max_issue_rate.
10786 * genattrtab.c: Define length_unit_log as a const variable.
10787 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10788 max_insn_queue_index const.
10789 * final.c (length_unit_log): Declare const.
10790 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10792 2006-01-22 Zack Weinberg <zackw@panix.com>
10794 * genautomata.c: Include vec.h, not varray.h.
10795 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10796 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10797 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10798 VEC_* macros operating on appropriately typed vectors, or to
10799 malloced arrays when the size is known in advance. Const-ify
10800 many char* variables and function arguments. No functional changes.
10801 * Makefile.in (build/varray.o): Delete rule.
10802 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10803 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10805 2006-01-22 Zack Weinberg <zackw@panix.com>
10807 * gensupport.c: Define get_insn_name and record_insn_name here.
10808 (read_md_rtx): Call record_insn_name as appropriate.
10809 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10810 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10811 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10813 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10814 (BUILD_VARRAY): Delete.
10815 (genprognormal): Rename genprogmd. Fold in all programs from
10816 genprognoprint; also attrtab.
10817 (build/genattrtab): Just mention genautomata.o and varray.o.
10818 Reorganize a bit, add comments to make the categories clearer.
10820 2006-01-22 Zack Weinberg <zackw@panix.com>
10822 * genconditions.c (condition_table, add_condition): Delete.
10823 (write_conditions): Don't emit n_insn_conditions nor
10824 insn_elision_unavailable. Issue the gcc version #ifdef here,
10825 inside the table, with no #else clause ...
10826 (write_header): ...not here.
10827 (write_writer): New function.
10828 (main): Don't initialize condition_table. Use add_c_test.
10830 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10831 files on the command line.
10832 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10833 Return -1 if there is no entry in the table, don't abort.
10834 (add_c_test, traverse_c_tests): New functions.
10835 * gensupport.h (insn_elision_unavailable, insn_conditions)
10836 (n_insn_conditions): Delete declarations.
10837 (add_c_test, traverse_c_tests): Declare.
10838 * read-rtl.c: Include gensupport.h.
10839 (read_conditions): New function.
10840 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10841 (read_rtx_1): If we get EOF when we were looking for an initial
10842 open paren, return 0. Call read_conditions when appropriate.
10843 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10844 dummy-conditions.o. Eliminate references to insn-conditions.o,
10845 or change them to build/gencondmd.o, as appropriate. Remove
10846 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10847 from $(simple_generated_c). For all files remaining in those
10848 two lists, add insn-conditions.md to the generator command line.
10849 Give insn-constants.h/s-constants their own rules. Add rules
10850 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10851 (build/read-rtl.o): Depend on gensupport.h.
10852 (genprognormal): Include preds.
10853 (genprogearly): Rename genprognoprint; only difference is now that
10854 they don't link with $(BUILD_PRINT).
10855 * dummy-conditions.c: Delete.
10857 2006-01-22 Zack Weinberg <zackw@panix.com>
10859 * genextract.c: Don't include insn-config.h. Do include vec.h.
10860 Declare vectors of int, char, and locstr.
10861 (locstr): New typedef.
10862 (struct extraction): Make all array fields into bare pointers.
10863 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10864 (insn_code_number): Delete.
10865 (accum_extract): New struct.
10866 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10867 (gen_insn): Take insn_code_number as an argument. Use an
10868 accum_extract structure instead of loading data directly into
10869 a struct extraction, and having to know how big it might get.
10870 (walk_rtx): Operate entirely on an accum_extract structure.
10871 (print_path): Avoid unnecessary use of printf.
10872 (print_header): New function, split out of main. Distinguish
10873 more carefully between an unrecognizable insn and an insn that
10874 has the code number of a define_expand.
10875 (main): Pass insn_code_number to gen_insn. Call print_header
10876 only after parsing. Avoid unnecessary use of printf.
10877 * Makefile.in (build/vec.o): New rule.
10878 (build/genextract): Depend on build/vec.o.
10879 (build/genextract.o): Don't depend on insn-config.h.
10881 2006-01-22 Zack Weinberg <zackw@panix.com>
10883 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10884 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10885 practical. Eliminate per-generator-program link rules.
10887 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10889 PR middle-end/24437
10890 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10891 with a call expr to ...
10892 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10894 2006-01-23 Richard Guenther <rguenther@suse.de>
10896 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10897 before make_edge with conditional EDGE_TRUE_VALUE.
10899 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10900 Jan Hubicka <jh@suse.cz>
10901 Richard Guenther <rguenther@suse.de>
10903 PR rtl-optimization/25654
10904 * cfgexpand.c (aggregate_contains_union_type): New function.
10905 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10906 for structure variables that contain a union type.
10908 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10910 * gengtype.c (new_structure): Return the structure.
10911 (create_option): Add an extra "next" argument.
10912 (create_field): New function.
10913 (adjust_field_rtx_def): Use create_option and create_field.
10914 Remove a now-unnecessary call to find_structure.
10915 (adjust_field_tree_def): Likewise.
10916 (note_yacc_type): Remove an unnecessary call to find_structure.
10917 * gengtype.h (new_structure): Return the structure.
10918 (create_option): Add an extra argument.
10919 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10920 (option): Adjust calls to create_option.
10922 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10924 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10926 2006-01-22 Paul Brook <paul@codesourcery.com>
10927 Peter Barada <peter@the-baradas.com>
10929 * config/m68k/m68k.md: Add Coldfire FPU support.
10930 Define FP mode macro and associated attributes.
10931 Use it for float mode patterns.
10932 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10933 (LIBCALL_VALUE): Use m68k_libcall_value.
10934 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10935 (m68k_function_value): Ditto.
10936 (emit_move_sequence): Ditto.
10937 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10938 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10939 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10940 (MULTILIB_EXCEPTIONS): Ditto.
10941 * config/m68k/m68k.opt: Add mcfv4e.
10942 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10943 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10944 (m68k_output_function_prologue): Save ColdFire FPU registers.
10945 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10946 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10947 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10948 ColdFire FPU registers.
10949 (m68k_libcall_value, m68k_function_value): New functions.
10950 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10951 (LIBCALL_VALUE): Use m68k_libcall_value.
10952 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10953 (MASK_COLDFIRE): Add MASK_CFV4E.
10954 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10955 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10956 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10957 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10958 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10959 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10960 * doc/invoke.tex: Document -mcfv4e on m68k.
10962 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10964 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10967 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10970 * c-opts.c (c_common_handle_option): Don't include
10971 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10972 * doc/invoke.texi (C++ Dialect Options): Document that
10973 -Wnon-virtual-dtor is no longer included in -Wall.
10975 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10977 * gcov.c (print_version), gcov-dump.c (print_version),
10978 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10981 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10983 * df-scan.c (problem_SCAN): Added NULL reset function.
10984 (df_scan_reset_blocks): Added code to call reset block function
10985 (df_bb_refs_delete) Fixed comment.
10986 (df_insn_refs_delete): Made tolerant of deleting non existent info
10987 for dataflow problems that need to be reset.
10988 * df-core.c (df_set_blocks): Ditto.
10989 * df.h (struct df_problem): Added reset_fun.
10990 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10991 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10992 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10993 functions to clear out all references to def-use or use-def chains.
10995 2006-01-21 Ben Elliston <bje@au.ibm.com>
10997 * varasm.c (assemble_real): Initialise data array.
10999 2006-01-20 Paul Brook <paul@codesourcery.com>
11001 Merge from csl-arm-branch.
11002 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11003 * config/arm/arm.md (movdi): Force operands[1] to a register
11004 if we have a non-register source.
11005 (*arm_movdi, *movdf_soft_insn): Require that one of the
11006 operands be a register.
11007 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11008 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11010 2006-01-20 DJ Delorie <dj@redhat.com>
11012 * varasm.c (initializer_constant_valid_p): Allow pointers
11013 initialized from integer constants of lesser precision.
11014 (output_constant): Allow non-int-sized pointer modes to be
11015 initialized from integer constants.
11017 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11020 * cppdefault.h (struct default_include): Add multilib flag.
11021 * cppdefault.c (cpp_include_defaults): Set it.
11022 * c.opt (-imultilib): New option.
11023 * c-opts.c (imultilib): New.
11024 (c_common_handle_option): Handle -imultilib.
11025 (c_common_post_options): Likewise.
11026 * c-incpath.c (add_standard_paths, register_include_chains):
11028 * c-incpath.h (register_include_chains): Add extra parameter.
11029 * gcc.c (do_spec_1): Generate -imultilib option.
11030 (The Specs Language): Update %I description.
11031 (process_command): Update copyright notice.
11032 * doc/cppopts.texi (-imultilib): Document.
11033 * doc/invoke.texi (-imultilib): Include in option summary.
11034 (%I): Update specs documentation.
11036 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11038 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11040 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11042 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11045 2006-01-20 Richard Guenther <rguenther@suse.de>
11046 Steven Bosscher <stevenb.gcc@gmail.com>
11048 PR rtl-optimization/24626
11049 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11050 EDGE_TRUE_VALUE if in RTL mode.
11053 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11054 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11056 2006-01-20 Dirk Mueller <dmueller@suse.com>
11059 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11060 instead of a special NOP marker.
11061 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11062 NOP marker handling.
11063 * c-common.h (empty_body_warning): Add forward declaration.
11064 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11065 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11067 2006-01-20 Paul Brook <paul@codesourcery.com>
11069 * Makefile.in (lang_checks): Keep going if mkdir fails.
11071 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11073 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11074 be able to clean out basic block when not necessary.
11075 (df_scan_free): Fixed to properly delete information if df is
11076 unused before calling df_finish.
11077 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11078 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11080 (df_bb_refs_delete): New function.
11081 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11082 * df-core.c (df_set_blocks): Added code to properly clean out
11083 unused blocks if they are not part of the blocks to consider.
11084 Added additional null check.
11085 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11086 be able to clean out basic block when not necessary
11087 * df.h (df_free_bb_function): Ditto.
11088 (df_bb_refs_delete): New function.
11089 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11090 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11091 basic block parameter to be able to clean out basic block when not
11093 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11094 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11095 Fixed to properly delete information if df is unused before
11098 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11100 PR rtl-optimization/25799
11101 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11102 Corrected confluence operator to remove bits from op2 before oring
11103 with op1 rather than removing bits from op1.
11104 (df_ru_transfer_function): Corrected test on wrong bitmap which
11105 caused infinite loop. Both of these problems were introduced in
11106 the dataflow rewrite.
11108 2006-01-19 DJ Delorie <dj@redhat.com>
11110 * reload1.c (find_reload_regs): Note the details of reload
11111 failures in the dump file.
11112 (spill_failure): Likewise.
11114 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11116 * loop-iv.c: Include df.h and hashtab.h.
11117 (enum iv_grd_result): New enum.
11118 (DF_REF_IV, DF_REF_IV_SET): New macros.
11119 (struct biv_entry): New.
11120 (df, bivs): New global variables.
11121 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11122 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11124 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11125 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11126 analyzed_for_bivness_p, record_biv): New functions.
11127 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11128 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11129 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11131 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11133 (iv_number_of_iterations): Use new interface to iv analysis.
11134 * loop-unroll.c: Do not include varray.h.
11135 (analyze_iv_to_split_insn): Use new interface to iv
11137 * loop-unswitch.c (may_unswitch_on): Ditto.
11138 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11140 (df_bb_modify): Realloc tables to the new index.
11141 (df_find_use): New function.
11142 * df.h (df_find_use): Declare.
11143 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11145 * cfgloop.h (struct rtx_iv): Remove analysed field.
11146 (iv_get_reaching_def): Removed.
11147 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11148 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11149 (loop-iv.o): Add df.h and hashtab.h dependency.
11150 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11152 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11155 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11157 (__floatundisf, __floatundidf): Likewise.
11158 * libgcc2.h (IS_IBM_EXTENDED): Define.
11160 2006-01-19 DJ Delorie <dj@redhat.com>
11162 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11164 2006-01-19 Paul Brook <paul@codesourcery.com>
11166 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11167 as nothrow when unwinding tables are disabled.
11169 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11172 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11173 of bit-field" when in system header.
11175 2006-01-19 DJ Delorie <dj@redhat.com>
11177 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11178 the 16 bit shift limit of the m16c.
11180 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11183 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11184 * config/i386/i386.c (output_set_got): Output the label if we have one
11185 for the TARGET_DEEP_BRANCH_PREDICTION case.
11187 2006-01-19 Jan Hubicka <jh@suse.cz>
11188 H.J. Lu <hongjiu.lu@intel.com>
11189 Evandro Menezes <evandro.menezes@amd.com>
11191 * invoke.texi (generic): Document
11193 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11194 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11195 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11196 (x86_use_incdec, x86_pad_returns): New variables
11197 (TARGET_CPU_DEFAULT_generic): New constant
11198 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11199 (enum processor_type): Add generic32 and generic64.
11200 * i386.md (cpu attribute): Add generic32/generic64
11201 (movhi splitter): Behave sanely when both partial_reg_dependency and
11202 partial_reg_stall are set.
11203 (K8 splitters): Enable for generic as well.
11204 * predicates.md (incdec_operand): Use TARGET_INCDEC
11205 (aligned_operand): Avoid memory mismatch stalls.
11206 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11207 * ppro.md: Enable for generic32
11208 * i386.c (generic64_cost, generic32_cost): New.
11209 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11210 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11211 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11212 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11213 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11214 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11215 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11216 x86_accumulate_outgoing_args, x86_prologue_using_move,
11217 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11218 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11219 Enable for generic.
11220 (x86_use_incdec, x86_pad_returns): New.
11221 (override_options): Add generic32 and generic64, translate "generic"
11222 to generic32/generic64 and "i686" to "generic32", refuse
11223 "generic32"/"generic64" as arch target.
11224 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11225 (ix86_reorg): Honor PAD_RETURNS.
11227 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11229 * tree-pretty-print.c (dump_generic_node): Handle
11230 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11231 * cgraph.c (cgraph_expand_queue): Rename from
11232 cgraph_analyze_queue. Update all users.
11233 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11234 cgraph_expand_queue.
11235 (cgraph_expand_all_functions): Likewise.
11236 (cgraph_finalize_pending_functions): Remove. Update callers.
11238 * tree.h (OMP_DIRECTIVE_P): Define.
11239 (OMP_PARALLEL_FN): Define.
11240 (OMP_PARALLEL_DATA_ARG): Define.
11241 (OMP_SECTIONS_SECTIONS): Define.
11242 * tree-pass.h (pass_expand_omp): Declare.
11243 * omp-low.c (struct omp_region): Declare.
11244 (struct omp_context): Remove fields 'parallel_type',
11245 'parallel_start_ix' and 'parallel_start_additional_args'.
11247 (struct omp_for_data): Rename from struct expand_omp_for_data.
11248 (omp_regions): New static variable.
11249 (root_omp_region): New static variable.
11250 (find_omp_clause): Make static.
11251 (is_in_combined_parallel_ctx): Remove.
11252 (is_combined_parallel): New.
11253 (extract_omp_for_data): Move earlier in the file.
11254 (workshare_safe_to_combine_p): New.
11255 (get_ws_args_for): New.
11256 (determine_parallel_type): Move earlier in the file.
11257 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11259 (omp_copy_decl): Likewise.
11260 (create_omp_child_function): Likewise.
11261 (lookup_omp_region): New.
11262 (dump_omp_region): New.
11263 (debug_omp_region): New.
11264 (debug_all_omp_regions): New.
11265 (new_omp_region): New.
11266 (scan_omp_parallel): If parallel_nesting_level > 1, the
11267 directive is nested within another parallel directive.
11268 Set OMP_PARALLEL_FN.
11269 (scan_omp_for): Do not try to handle combined parallel+for
11271 Remove FIXME comment.
11272 (scan_omp_nested): Remove.
11273 (scan_omp_1): Do not call scan_omp_nested when
11274 parallel_nesting_level is > 1.
11275 Do not change the DECL_CONTEXT of local variables found.
11276 (lookup_decl_in_outer_ctx): New.
11277 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11278 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11279 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11280 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11281 If CTX is nested, lookup VAR in the outer context when
11282 building copy assignment.
11283 (lower_send_clauses): Rename from expand_send_clauses.
11284 If CTX is nested, lookup VAR in the outer context when
11285 building copy assignments.
11286 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11287 If CTX is nested, lookup VAR in the outer context when
11288 building copy assignments.
11289 (expand_parallel_call): Rename from build_parallel_call.
11290 Handle combined parallel+workshare cases.
11291 Re-implement to emit code into the CFG.
11293 (expand_omp_parallel): Re-implement to emit code into the CFG.
11294 Call move_sese_region_to_fn to outline the sub-graph
11295 containing the parallel region.
11296 (expand_omp_for_1): Remove.
11297 (expand_omp_for_generic): Re-implement to emit code into the
11299 (expand_omp_for_static_nochunk): Likewise.
11300 (expand_omp_for_static_chunk): Likewise.
11301 (expand_omp_for): Likewise.
11302 (expand_omp_sections): Likewise.
11303 (remove_exit_barriers): New.
11304 (expand_omp_synch): New.
11306 (build_omp_regions_1): New.
11307 (build_omp_regions): New.
11308 (execute_expand_omp): New.
11309 (gate_expand_omp): New.
11310 (pass_expand_omp): Define.
11311 (lower_omp_sections): Rename from expand_omp_sections.
11312 Set OMP_SECTIONS_SECTIONS.
11313 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11314 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11315 (lower_omp_single): Rename from expand_omp_simple.
11316 (lower_omp_master): Rename from expand_omp_master.
11317 (lower_omp_ordered): Rename from expand_omp_ordered.
11318 (lower_omp_critical): Rename from expand_omp_critical.
11319 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11320 (lower_omp_for): Re-implement.
11321 (lower_omp_parallel): Re-implement.
11322 (lower_regimplify): Rename from expand_regimplify.
11323 (lower_omp_1): Rename from expand_omp_1.
11324 If there are syntax errors in the program, replace every
11325 OpenMP directive with NOP.
11326 Call lower_omp_* instead of expand_omp_*.
11327 (lower_omp): Rename from expand_omp.
11329 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11330 * tree-gimple.h (enum omp_parallel_type): Remove.
11331 (gimple_boolify): Declare extern.
11332 (find_omp_clause, determine_parallel_type): Remove.
11334 * gimple-low.c (lower_omp_directive): New.
11335 (lower_stmt): Call it.
11336 (record_vars_into): Move from ...
11337 (record_vars): ... here.
11338 Call record_vars_into with current_function_decl.
11340 * gimplify.c (struct gimplify_ctx): Remove fields
11341 combined_pre_p and combined_ctxp. Update users.
11342 (get_formal_tmp_var): Add documentation.
11343 (gimple_boolify): Make extern.
11344 (gimplify_expr_in_ctx): Remove. Update callers.
11345 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11346 will always be a BIND_EXPR.
11347 (gimplify_expr): Handle OMP_RETURN_EXPR.
11348 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11349 (OMP_PARALLEL): Add 3 operands.
11350 (OMP_SECTIONS): Add 1 operand.
11351 (OMP_RETURN_EXPR): Define.
11353 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11354 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11355 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11356 creating a circular free list.
11357 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11359 * tree-flow.h (move_sese_region_to_fn): Declare.
11360 (record_vars_into): Declare.
11361 * tree-cfg.c (make_omp_sections_edges): New.
11362 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11363 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11364 OMP_SECTIONS and OMP_SECTION.
11365 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11366 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11367 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11368 (gather_blocks_in_sese_region): New.
11369 (struct move_stmt_d): Declare.
11370 (move_stmt_r): New.
11371 (move_block_to_fn): New.
11372 (move_sese_region_to_fn): New.
11374 * passes.c (init_optimization_passes): Schedule
11375 pass_expand_omp after pass_init_datastructures.
11377 * tree-ssa-operands.c (get_expr_operands): Handle
11378 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11379 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11381 2006-01-19 Jeff Law <law@redhat.com>
11383 * tree-vrp.c (extract_range_from_assert): Refine the result range
11384 if the variable referenced by the ASSERT_EXPR has a range and
11385 either the tentative result range or the previous range is a
11388 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11390 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11392 2006-01-19 Jan Hubicka <jh@suse.cz>
11394 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11396 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11398 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11399 (expand_compound_operation, expand_field_assignment): Fail if the
11400 bit lengths of an extract operation are out of range.
11401 (make_extraction): Compute wanted_inner_mode based on the position
11402 and length of the extraction. Make it extraction_mode for non-constant
11403 positions, and do not modify offset in that case. When generating a
11404 new MEM, use a mode that can hold the extraction while keeping correct
11405 alignment. Remove code that supported MEMs wrapped by USEs.
11406 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11408 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11410 * config/s390/s390.md ("Y", "y"): New mode attribute.
11411 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11412 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11413 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11414 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11415 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11416 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11417 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11418 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11419 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11420 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11421 "addsi3", "subsi3"): Insn patterns removed.
11422 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11423 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11424 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11425 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11426 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11427 "*sub<mode>3_cconly2"): New insn patterns.
11428 ("addsi3", "subsi3"): New expanders.
11430 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11432 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11433 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11434 existing STMT_VINFO_VECTYPE if available.
11435 (vect_mark_relevant): Add special handling for stmts that are
11436 marked as STMT_VINFO_IN_PATTERN_P.
11437 (vect_analyze_loop): Call vect_pattern_recog.
11438 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11439 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11441 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11442 (vect_recog_func_ptr): New function-pointer type.
11443 * tree-vect-patterns.c: New file.
11444 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11445 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11446 (vect_pattern_recog_1): New functions.
11447 (vect_pattern_recog_funcs): New array of function pointers.
11449 * tree-vectorizer.h (ternary_op): New enum value.
11450 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11451 declaration. Revised documentation. Removed redundant dump prints.
11452 Removed redundant argument. Added support for reduction patterns.
11453 (vectorizable_reduction): Added support for reduction patterns.
11454 (vect_transform_stmt): Added support for patterns.
11456 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11457 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11458 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11459 (expand_widen_pattern_expr): New function.
11460 (init_optabs): Initialize new optabs udot_prod_optab,
11462 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11463 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11464 (expand_widen_pattern_expr): New function declaration.
11465 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11467 * tree-inline.c (estimate_num_insns_1): Added cases for new
11468 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11469 * tree-pretty-print.c (dump_generic_node): Likewise.
11470 (op_prio): Likewise.
11471 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11472 * tree-ssa-operands.c (get_expr_operands): Added case for
11474 * tree-vect-patterns.c (widened_name_p): New function.
11475 (vect_recog_dot_prod_pattern): Added function implementation.
11476 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11477 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11478 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11479 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11481 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11482 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11483 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11484 (init_optabs): Initialize new optabs widen_ssum_optab,
11486 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11487 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11488 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11489 use instead of type of def.
11490 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11491 function implementation.
11492 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11493 widen_ssumv8hi): New.
11495 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11498 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11501 * c-decl.c (add_flexible_array_elts_to_size): New function.
11502 (finish_decl): Use it.
11504 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11506 * diagnostic.h: Include options.h.
11507 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11508 dependancies for diagnostic.h.
11509 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11511 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11513 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11514 (ssa_ro_call_cache_valid): Ditto.
11515 * tree-ssa-alias.c (sort_tags_by_id): New function.
11516 (init_transitive_clobber_worklist): Ditto.
11517 (add_to_worklist): Ditto.
11518 (mark_aliases_call_clobbered): Ditto.
11519 (compute_tag_properties): Ditto.
11520 (set_initial_properties): Ditto.
11521 (compute_call_clobbered): Ditto.
11522 (compute_may_aliases): Call compute_call_clobbered and grouping.
11523 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11524 (compute_flow_insensitive_aliasing): Grouping now happens in our
11526 (setup_pointers_and_addressables): Remove clobbering related code.
11527 (add_may_alias): Ditto.
11528 (replace_may_alias): Ditto.
11529 (get_nmt_for): Ditto.
11530 (create_global_var):
11531 (is_escape_site): Return an escape_type enumeration.
11532 * tree-flow-inline.h (is_call_clobbered): Global var does not
11533 imply call clobbered.
11534 (mark_call_clobbered): Take a reason for marking this. Remove
11535 marking of globalness, and cache invalidation.
11536 (clear_call_clobbered): Remove cache invalidation code.
11537 * tree-dfa.c (dump_variable): If details is on, dump the reason
11539 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11541 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11542 (struct var_ann_d): Ditto.
11543 (enum escape_type): New.
11544 (mark_call_clobbered): Adjust prototype.
11545 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11546 are never call clobbered.
11547 Record reasons for escaping.
11548 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11549 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11550 (ssa_ro_call_cache_valid): Ditto.
11551 (clobbered_v_may_defs): Ditto.
11552 (clobbered_vuses): Ditto.
11553 (ro_call_vuses): Ditto.
11554 (clobber_stats): New.
11555 (init_ssa_operands): Zero out clobber stats.
11556 (fini_ssa_operands): Print out clobber stats.
11557 (get_call_expr_operands): Pass callee fndecl to
11558 add_call_read_ops).
11559 (add_call_clobber_ops): Remove use of cache.
11560 Add use of PURE_CONST information.
11561 (add_call_read_ops): Remove use of cache.
11562 Add use of static not_read information.
11564 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11566 Introduce TLS descriptors for i386 and x86_64.
11567 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11568 (TARGET_ANY_GNU_TLS): New macro.
11569 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11570 (struct machine_function): Add tls_descriptor_call_expanded_p.
11571 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11572 (ix86_current_function_calls_tls_descriptor): Likewise.
11573 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11574 (override_options): Introduce gnu2 tls dialect.
11575 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11577 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11579 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11580 (ix86_init_machine_status): Initialize new field.
11581 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11582 (ix86_tls_module_base): New.
11583 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11584 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11585 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11586 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11587 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11588 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11589 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11590 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11591 * config/i386/predicates.md (tls_modbase_operand): New.
11592 (tp_or_register_operand): New.
11594 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11596 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11597 (look_for_address_of): Ditto.
11598 (ipa_init): Walk the function decls.
11599 (static_execute): Don't set readonly on FUNCTION_DECL's.
11601 2006-01-18 Roger Sayle <roger@eyesopen.com>
11603 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11604 for shifts where the source and destination registers are different.
11606 2006-01-18 Paul Brook <paul@codesourcery.com>
11608 Merge from csl-arm-branch.
11609 2005-03-14 Julian Brown <julian@codesourcery.com>
11610 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11611 (aeabi_llsl): Likewise.
11612 (ashrdi3): Likewise.
11613 (aeabi_lasr): Likewise.
11614 (lshrdi3): Likewise.
11615 (aeabi_llsr): Likewise.
11616 2005-03-10 Julian Brown <julian@codesourcery.com>
11617 * config.gcc: Disable shared libgcc for SymbianOS.
11618 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11620 2006-01-18 DJ Delorie <dj@redhat.com>
11622 * c-pragma.c (handle_pragma_diagnostic): New.
11623 (init_pragma): Register it.
11624 * doc/extend.texi: Document it.
11626 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11627 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11628 (diagnostic_context): Add classify_diagnostic[].
11629 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11630 as errors if they're overridden to DK_WARNING.
11631 (diagnostic_initialize): Initialize classify_diagnostic[].
11632 (diagnostic_set_kind_override): New.
11633 (diagnostic_report_diagnostic): Check for kind changes.
11634 * opts.c (common_handle_option): Take lang_mask. Update callers.
11635 Handle OPT_Werror_.
11636 * common.opt (Werror=): New.
11637 * doc/invoke.texi: Document -Werror=*
11639 2006-01-18 Jeff Law <law@redhat.com>
11641 * tree-vrp.c (test_for_singularity): Correct test for new
11642 min limit. Use operand_equal_p rather than pointer equality
11643 for testing if new min/max values are equal.
11645 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11646 using range information until after propagation and folding.
11648 2006-01-18 Richard Henderson <rth@redhat.com>
11649 Aldy Hernandez <aldyh@redhat.com>
11650 Jakub Jelinek <jakub@redhat.com>
11651 Diego Novillo <dnovillo@redhat.com>
11653 * omp-low.c: New file.
11654 * c-omp.c: New file.
11656 2006-01-18 Richard Henderson <rth@redhat.com>
11657 Jakub Jelinek <jakub@redhat.com>
11658 Diego Novillo <dnovillo@redhat.com>
11660 * doc/invoke.texi: Document -fopenmp.
11661 * tree-dump.h (debug_function): Declare.
11662 * hooks.c (hook_bool_tree_bool_false): New function.
11663 (hook_tree_tree_null): Remove.
11664 (hook_tree_tree_tree_null): New.
11665 * hooks.h: Update to match.
11666 * tree-pretty-print.c (debug_tree_chain): New.
11667 (print_generic_expr): Handle TDF_CHAIN.
11668 (dump_generic_node): Handle BLOCK.
11669 Do not abort with incomplete SWITCH_EXPRs.
11670 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11671 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11672 print space after directive name.
11673 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11674 Handle OMP_MASTER and OMP_ORDERED.
11675 Handle printing of OMP_BODY just in one place, goto
11676 dump_omp_body in the rest of OMP_* nodes that have
11678 Don't handle clause nodes here. Update omp statements to
11679 use dump_omp_clauses.
11680 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11681 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11682 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11683 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11684 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11685 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11686 Adjust output for GOMP_PARALLEL.
11687 (dump_omp_clauses): New.
11688 (print_declaration): Dump DECL_VALUE_EXPR.
11689 (op_symbol_1): Split out of op_symbol.
11690 (dumping_stmts): Remove. Update all users.
11691 * cgraph.c (cgraph_analyze_queue): New.
11692 (cgraph_add_new_function): New.
11693 * cgraph.h (cgraph_analyze_queue): Declare.
11694 (cgraph_add_new_function): Declare.
11695 (cgraph_lower_function): Remove.
11696 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11697 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11698 and TYPE_P nodes in its default clause.
11699 (empty_body_p): New.
11700 (tree_range_check_failed): New.
11701 (build5_stat): New.
11702 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11703 OMP_CLAUSE_REDUCTION_MERGE,
11704 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11705 OMP_CLAUSE_PRIVATE_DEBUG,
11706 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11707 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11708 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11709 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11710 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11711 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11712 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11713 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11714 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11715 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11716 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11717 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11718 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11719 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11720 (TREE_RANGE_CHECK): New.
11721 (empty_body_p): Declare.
11722 (enum omp_clause_default_kind): New.
11723 (build_string_literal): Declare.
11724 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11725 (build5_stat, build5): Declare.
11726 * tree-pass.h (TDF_CHAIN): Define.
11727 * tree-pass.h (PROP_gimple_lomp): Define.
11728 (pass_lower_omp): Declare.
11729 * diagnostic.h (debug_tree_chain): Declare.
11730 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11732 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11733 * builtins.c (build_string_literal): Make extern.
11734 * gcc.c (include_spec_function): New.
11735 (static_spec_functions): Add it.
11736 (main): Move load of libgomp.spec ...
11737 (LINK_COMMAND_SPEC): ... here.
11738 (link_gomp_spec): New.
11739 (static_specs): Include it.
11740 (LINK_COMMAND_SPEC): Add link_gomp.
11741 (GOMP_SELF_SPECS): New.
11742 (driver_self_specs): Include it.
11743 (switch_matches): Don't mark inline.
11744 (main): Load libgomp.spec.
11745 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11746 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11747 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11748 * tree-gimple.h (enum omp_parallel): Declare.
11749 (determine_parallel_type): Declare.
11750 (omp_firstprivatize_variable): Declare.
11751 (omp_reduction_init): Declare.
11752 (diagnose_omp_structured_block_errors): Declare.
11753 (struct walk_stmt_info): Add want_return_expr.
11754 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11755 (find_omp_clause): Declare.
11756 (insert_field_into_struct): Declare.
11757 (struct walk_stmt_info): Move from tree-nested.c
11758 (walk_stmts): Declare.
11759 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11761 * cgraphunit.c (cgraph_lower_function): Make static.
11762 (cgraph_finalize_pending_functions): New.
11763 (cgraph_finalize_function): Call it.
11764 (cgraph_finalize_compilation_unit): Likewise.
11765 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11766 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11767 (BT_FN_UINT_UINT): New.
11768 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11769 DEF_FUNCTION_TYPE_VAR_4): Document.
11770 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11771 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11772 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11773 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11774 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11775 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11776 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11777 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11778 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11779 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11780 into separate files.
11781 (DEF_GOMP_BUILTIN): New.
11782 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11783 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11784 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11785 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11786 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11787 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11788 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11789 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11790 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11791 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11792 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11793 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11794 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11795 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11796 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11797 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11798 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11799 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11800 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11801 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11802 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11803 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11804 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11805 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11806 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11807 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11808 * sync-builtins.def: New file, moved from builtins.def.
11809 * omp-builtins.def: New file, moved from builtins.def.
11810 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11811 * gimple-low.c (lower_function_body): Clear data.
11812 (lower_stmt): Do not handle COMPOUND_EXPR.
11813 Remove call to print_node_brief.
11814 * c-tree.h (c_finish_omp_clauses): New prototype.
11815 (C_DECL_THREADPRIVATE_P): Define.
11816 (lookup_name_no_remap, c_omp_remap_private): Remove
11817 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11818 (check_for_loop_decls): Update decl.
11819 (lookup_name_no_remap, c_omp_remap_private): Declare.
11820 (build_indirect_ref, build_modify_expr, pushdecl,
11821 pushdecl_top_level): Move to c-common.h.
11822 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11823 before the switch, but just in the 2 places that need it.
11824 * c-decl.c (diagnose_mismatched_decls): Do not check for
11825 mismatched thread-local attributes when OLDDECL is marked
11826 threadprivate and NEWDECL has no thread-local attributes.
11827 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11828 (c_gimple_diagnostics_recursively): Rename from
11829 c_warn_unused_result_recursively. Invoke
11830 diagnose_omp_structured_block_errors.
11831 (check_for_loop_decls): Return a singular decl found.
11832 * langhooks.c (lhd_omp_predetermined_sharing): Return
11833 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11834 (lhd_omp_firstprivatize_type_sizes): New.
11835 (lhd_omp_assignment): New.
11836 (lhd_omp_predetermined_sharing): New.
11837 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11838 (struct lang_hooks_for_types): Add
11839 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11840 omp_predetermined_sharing, omp_disregard_value_expr,
11841 omp_private_debug_clause, omp_clause_default_ctor,
11842 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11843 (c_finish_omp_clauses): New.
11844 (c_finish_bc_stmt): Diagnose break within omp for.
11845 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11846 (build_unary_op): Return error_mark after reporting
11848 (build_modify_expr): Likewise.
11849 * gimplify.c: Include optabs.h and pointer-set.h.
11850 (enum gimplify_omp_var_data): Declare.
11851 (struct gimplify_omp_ctx): Declare.
11852 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11854 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11855 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11856 (splay_tree_compare_decl_uid): New.
11857 (new_omp_context): New.
11858 (delete_omp_context): New.
11859 (gimple_add_tmp_var): Call omp_add_variable.
11860 (gimplify_bind_expr): Likewise.
11861 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11862 true, disregard DECL_VALUE_EXPR on the decl if any.
11863 (gimplify_expr_in_ctx): New.
11864 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11865 omp_add_variable, omp_notice_variable, omp_is_private
11866 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11867 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11868 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11869 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11870 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11871 gimplify_omp_atomic): New.
11872 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11873 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11874 OMP_CRITICAL and OMP_ATOMIC.
11875 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11876 * c-pragma.h (enum pragma_kind): Add
11877 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11878 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11879 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11880 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11881 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11882 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11883 PRAGMA_OMP_THREADPRIVATE.
11884 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11885 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11886 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11887 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11888 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11889 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11890 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11891 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11892 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11893 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11894 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11895 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11896 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11898 (struct nesting_info): Add field_map,
11899 suppress_expansion, debug_var_chain.
11900 (create_nesting_tree): Initialize them.
11901 (lookup_field_for_decl): Use field_map.
11902 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11903 (convert_local_omp_clauses): New.
11904 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11905 (walk_body): Split out of walk_function.
11906 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11907 (convert_nonlocal_reference): Handle omp statements.
11908 (convert_local_reference): Likewise.
11909 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11910 (unnest_nesting_tree): New.
11911 (lower_nested_functions): Call it.
11912 (insert_field_into_struct): Make extern.
11913 (struct walk_stmt_info): Move to tree-gimple.h.
11914 (walk_stmts): Make extern.
11915 * omp-builtins.def: New file.
11916 * tree-iterator.c (expr_only): Clarify comment.
11917 * c-common.h (pushdecl_top_level, pushdecl,
11918 build_modify_expr, build_indirect_ref,
11919 c_finish_omp_master, c_finish_omp_critical,
11920 c_finish_omp_ordered, c_finish_omp_barrier,
11921 c_finish_omp_atomic, c_finish_omp_flush,
11922 c_finish_omp_for, c_split_parallel_clauses,
11923 omp_clause_default_kind, c_omp_sharing_predetermined,
11924 c_omp_remap_decl): Declare.
11925 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11926 (OBJS-common): Add omp-low.o.
11927 (c-omp.o, omp-low.o): Add.
11928 (gimplify.o): Add dependency on $(OPTABS_H).
11929 (GTFILES): Add omp-low.c.
11930 (gt-stringpool.h): Add.
11931 * tree-cfg.c (set_bb_for_stmt): Do not update the
11932 block-to-labels map if we are currently expanding to RTL.
11933 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11935 Handle IDENTIFIER_NODE.
11936 (tree_verify_flow_info): Do not ICE when emitting error
11937 messages about invalid labels.
11938 (dump_function_to_file): Reset CFUN before emitting the body
11940 (debug_function): New.
11941 * passes.c (init_optimization_passes): Schedule
11943 * langhooks-def.h (lhd_omp_predetermined_sharing,
11944 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11946 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11947 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11948 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11949 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11950 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11951 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11952 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11953 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11954 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11955 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11956 (LANG_HOOK_DECLS): Use them.
11958 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11959 Richard Henderson <rth@redhat.com>
11960 Jakub Jelinek <jakub@redhat.com>
11961 Diego Novillo <dnovillo@redhat.com>
11963 * c-parser.c (pragma_omp_clause): Define.
11964 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11965 (c_parser_compound_statement): Likewise.
11966 (c_parser_statement): Likewise.
11967 (c_parser_pragma): Handle omp pragmas.
11968 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11969 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11970 (c_parser_omp_clause_name, check_no_duplicate_clause,
11971 c_parser_omp_variable_list,
11972 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11973 c_parser_omp_clause_copyprivate,
11974 c_parser_omp_clause_default,
11975 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11976 c_parser_omp_clause_lastprivate,
11977 c_parser_omp_clause_nowait,
11978 c_parser_omp_clause_num_threads,
11979 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11980 c_parser_omp_clause_reduction,
11981 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11982 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11983 c_parser_omp_atomic, c_parser_omp_barrier,
11984 c_parser_omp_critical, c_parser_omp_flush,
11985 c_parser_omp_for_loop, c_parser_omp_for,
11986 c_parser_omp_master, c_parser_omp_ordered,
11987 c_parser_omp_sections_scope, c_parser_omp_sections,
11988 c_parser_omp_parallel, c_parser_omp_single,
11989 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11990 * c-pragma.c (init_pragma): Do omp pragma registration here.
11991 * c.opt (fopenmp): New flag.
11993 2006-01-18 Eric Christopher <echristo@apple.com>
11995 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11996 * config/darwin.h (GOMP_SELF_SPECS): Define.
11998 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12000 * rtl.h: Remove the prototype for reg_alloc.
12002 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12005 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12006 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12007 sjlj and dwarf2 exception handling.
12008 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12009 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12010 * pa/pa.c (function_value): Treat complex and vector types as
12012 (function_arg): Likewise. Only pass scalar floats in the floating
12013 point argument registers.
12014 * pa/t-slibgcc-dwarf-ver: New file.
12015 * pa/t-slibgcc-sjlj-ver: New file.
12016 * pa/t-slibgcc-elf-ver: Delete file.
12018 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12020 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12021 unlikely_test_section_p test.
12023 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12025 * mode-switching.c (optimize_mode_switching): Make it static.
12026 * basic-block.h: Remove the prototype for
12027 optimize_mode_switching.
12029 * modulo-sched.c (sms_schedule): Make it static.
12030 * rtl.h: Remove the prototype for sms_schedule.
12032 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12033 * rtl.h: Remove the prototype for gcse_after_reload_main.
12035 * reg-stack.c (reg_to_stack): Make it static.
12036 * rtl.h: Remove the prototype for reg_to_stack.
12038 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12040 * rtl.h: Remove the prototypes for regrename_optimize and
12041 copyprop_hardreg_forward.
12043 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12045 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12046 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12047 Test against the appropriate null constant for the mode.
12048 If 'fixup_overlap' is true, swap the operands if they overlap.
12049 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12050 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12051 alpha_split_tmode_pair and adjust for above change.
12052 * config/alpha/alpha.md (movtf_internal): Adjust call to
12053 alpha_split_tfmode_pair and rely on it to swap the operands.
12054 (movti_internal): New insn and post-reload splitter.
12055 (movti): New expander.
12057 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12059 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12062 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12064 * rtlanal.c (global_reg_mentioned_p_1,
12065 global_reg_mentioned_p): Remove.
12066 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12068 * flow.c (initialize_uninitialized_subregs): Make it static.
12069 * rtl.h: Remove the prototype for
12070 initialize_uninitialized_subregs.
12072 * function.c (instantiate_virtual_regs): Make it static.
12073 * function.h: Remove the prototype for
12074 instantiate_virtual_regs.
12076 * regmove.c (regmove_optimize, combine_stack_adjustments):
12078 * rtl.h: Remove the prototypes for regmove_optimize and
12079 combine_stack_adjustments.
12081 2006-01-17 Roger Sayle <roger@eyesopen.com>
12083 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12084 (size_cost): Encode costs in bytes so that a reg-reg addition is
12085 equivalent to COSTS_N_INSNS(1).
12086 (override_options): Use the size_cost.branch_cost as the default
12087 ix86_branch_cost when optimizing for size.
12089 2006-01-18 Ben Elliston <bje@au.ibm.com>
12091 * Makefile.in (D32PBIT_FUNCS): New.
12092 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12093 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12094 D64PBIT_FUNCS and D128PBIT_FUNCS.
12095 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12096 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12098 (decnumber_dep): Define.
12099 * doc/libgcc.texi (Decimal float library routines): New node.
12100 * config/dfp-bit.h, config/dfp-bit.c: New files.
12102 2006-01-18 Ben Elliston <bje@au.ibm.com>
12104 * expr.c (emit_move_change_mode): Always adjust addresses, not
12105 just during reload. Copy replacements only during reload.
12106 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12107 emit_move_via_integer.
12109 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12111 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12112 instead of $(srcdir) and ${srcdir}.
12114 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12117 PR middle-end/11135
12118 * arm.h (struct machine_function): Add pic_reg.
12119 * arm.c (arm_pic_register): Make unsigned.
12120 (arm_override_options): Only set arm_pic_register if
12121 TARGET_SINGLE_PIC_BASE.
12122 (use_return_insn): Only test for a pic register if it is fixed.
12123 (arm_compute_save_reg0_reg12_mask): Likewise.
12124 (thumb_compute_save_reg_mask): Likewise.
12125 (legitimate_pic_operand): Factor out some known invariants.
12126 (legitimize_pic_address): If we don't have a fixed pic register,
12127 then set up a pseudo in the function entry sequence. Handle the
12128 pic base being in a pseudo.
12129 (arm_load_pic_register): Handle the pic register being in a pseudo.
12130 (arm_expand_prologue): Only set up the pic register if it is fixed.
12131 (thumb_expand_prologue): Likewise.
12132 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12133 (pic_load_addr_based_insn): Likewise.
12134 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12137 2006-01-18 Ben Elliston <bje@au.ibm.com>
12139 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12140 decimal float modes for all floating point registers.
12142 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12143 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12145 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12148 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12149 even when the pointer is not NULL.
12151 2006-01-16 Ian Lance Taylor <ian@airs.com>
12153 * common.opt (ftoplevel-reorder): New option.
12154 * cgraph.c (cgraph_asm_nodes): New global variable.
12155 (cgraph_asm_last_node): New static variable.
12156 (cgraph_order): New global variable.
12157 (cgraph_create_node): Set new order field.
12158 (cgraph_varpool_node): Likewise.
12159 (decide_is_variable_needed): Return true if not
12160 flag_toplevel_reorder.
12161 (cgraph_add_asm_node): New function.
12162 * cgraph.h (struct cgraph_node): Add order field.
12163 (struct cgraph_varpool_node): Add order field.
12164 (struct cgraph_asm_node): Define.
12165 (cgraph_asm_nodes, cgraph_order): Declare.
12166 (cgraph_add_asm_node): Declare.
12167 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12169 (cgraph_varpool_assemble_pending_decls): Call it.
12170 (cgraph_output_pending_asms): New static function.
12171 (cgraph_finalize_compilation_unit): Call it.
12172 (struct cgraph_order_sort): Define.
12173 (cgraph_output_in_order): New static function.
12174 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12175 !flag_toplevel_reorder case.
12176 * c-parser.c: Include "cgraph.h".
12177 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12179 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12180 than -fno-unit-at-a-time.
12181 * doc/invoke.texi (Option Summary): Mention
12182 -fno-toplevel-reorder.
12183 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12184 -funit-at-a-time documentation.
12186 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12187 Kazu Hirata <kazu@codesourcery.com>
12189 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12191 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12193 * Makefile.in (FUNCTION_H): New. Use it instead of
12194 function.h throughout the file.
12195 * function.h: Include tree.h.
12197 2006-01-17 Ben Elliston <bje@au.ibm.com>
12199 * recog.c: Separate some functions with whitespace.
12201 2006-01-16 Richard Henderson <rth@redhat.com>
12203 Merge from gomp branch:
12204 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12205 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12206 and rename from struct inline_data. Rename callee* to dst*;
12207 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12208 transform_new_cfg, transform_return_to_modify, and
12209 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12211 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12212 (copy_decl_for_dup): Remove.
12213 * tree-inline.c (struct inline_data): Move to header.
12214 (insert_decl_map): Export.
12215 (remap_decl): Update for member name changes. Use copy_decl hook.
12216 Allow for replacement to be a non-decl. Remove dead code.
12217 (remap_type_1): Check for existing mapping.
12218 (remap_type): Export.
12219 (remap_decls): Update for member name changes.
12220 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12221 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12222 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12223 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12224 (tree_function_versioning, build_duplicate_type): Likewise.
12225 (copy_body_r): Likewise. Export.
12226 (copy_decl_for_dup): Split into ...
12227 (copy_decl_for_dup_finish, copy_decl_to_var,
12228 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12229 (replace_ref_tree, inlining_p): Remove.
12231 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12233 * ifcvt.c (if_convert): Make it static.
12234 * rtl.h: Remove the prototype for if_convert.
12236 * local-alloc.c (local_alloc): Make it static.
12237 * rtl.h: Remove the prototype for local_alloc.
12239 * loop.c (loop_optimize): Make it static.
12240 * cfgloop.h: Remove the prototype for loop_optimize.
12243 2006-01-16 DJ Delorie <dj@redhat.com>
12245 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12248 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12250 * pa.md: Disparage copies between general and floating-point registers
12251 in 32-bit move patterns.
12253 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12256 * Makefile.in (check-%): Depend on site.exp instead of
12257 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12260 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12262 * global.c (global_alloc): Make it static.
12263 * rtl.h: Remove the prototype for global_alloc.
12265 2006-01-16 Richard Guenther <rguenther@suse.de>
12267 * tree-ssa-alias.c (struct used_part): Add write_only field.
12268 (get_or_create_used_part_for): Initialize it to true.
12269 (create_overlap_variables_for): Don't create structure variables
12270 for structures that only are written to.
12271 (find_used_portions): Handle MODIFY_EXPR to track whether a
12272 structure is only written to.
12274 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12276 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12278 * basic-block.h: Remove the prototype for
12279 partition_hot_cold_basic_blocks.
12281 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12283 * cppspec.c (lang_specific_spec_functions): Remove.
12284 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12285 * gcc.h (lang_specific_spec_functions): Remove.
12286 * gccspec.c (lang_specific_spec_functions): Remove.
12288 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12290 * combine.c (record_value_for_reg): Invalidate registers
12292 (record_dead_and_set_regs_1): Likewise, by passing them to
12293 record_value_for_reg.
12294 (record_dead_and_set_regs): Invalidate stores made by a
12295 call. We do not combine across a call, but we still
12296 relied on equivalences.
12298 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12300 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12301 vrp_int_const_binop returning non-constant nodes.
12303 2006-01-16 Paul Brook <paul@codesourcery.com>
12305 * config/m68k/m68k.c (output_move_const_into_data_reg):
12306 Output correct mnemonic for mvz and mvs.
12308 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12310 * rtl-factoring.c: Add sequence abstraction algorithm.
12311 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12312 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12314 (block_has_preserve_label): New function.
12315 * common.opt: Register new pass.
12316 * Makefile.in: Ditto.
12318 * timevar.def: Ditto.
12319 * tree-pass.h: Ditto.
12320 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12321 * rtl.h (make_jump_insn_raw): Add forward decl.
12322 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12324 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12325 Roger Sayle <roger@eyesopen.com>
12327 * fold-const.c (fold_minmax): New static function.
12328 (fold_binary) <MIN_EXPR>: Call it.
12329 <MAX_EXPR>: Likewise.
12330 * stor-layout.c (place_field): Use DECL_SIZE consistently
12331 in the computation of the new record size.
12333 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12335 * cse.c (cse_condition_code_reg): Make it static.
12336 * rtl.h: Remove the prototype for cse_condition_code_reg.
12338 * combine.c (combine_instructions): Make it static.
12339 * rtl.h: Remove the prototype for combine_instructions.
12341 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12344 * tree.c (get_file_function_name_long): Concatenate the first global
12345 object name with a string derived from the input filename of the object
12348 2006-01-16 Ben Elliston <bje@au.ibm.com>
12350 * config/i386/winnt-stubs.c: Update FSF address.
12351 * config/xtensa/ieee754-df.S: Ditto.
12352 * config/xtensa/ieee754-sf.S: Ditto.
12354 2006-01-14 Ian Lance Taylor <ian@airs.com>
12356 * ifcvt.c (noce_init_if_info): New static function, broken out of
12357 noce_process_if_block.
12358 (noce_process_if_block): Call noce_init_if_info.
12359 (check_cond_move_block): New static function.
12360 (cond_move_process_if_block): New static function.
12361 (process_if_block): Call cond_move_process_if_block.
12363 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12365 * cselib.c (hash_table): Rename to cselib_hash_table.
12366 (cselib_clear_table, discard_useless_values,
12367 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12368 cselib_init, cselib_finish): Adjust uses of hash_table.
12370 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12372 PR tree-optimization/25485
12373 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12374 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12375 is known to be false and true, respectively.
12377 2006-01-14 Richard Guenther <rguenther@suse.de>
12379 PR tree-optimization/22548
12380 PR tree-optimization/22555
12381 PR tree-optimization/22501
12382 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12383 * params.def (salias-max-array-elements): New parameter.
12384 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12385 * doc/invoke.texi (salias-max-array-elements): Document.
12386 * tree-flow-inline.h (var_can_have_subvars): We also handle
12388 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12390 * tree-ssa-structalias.c (params.h): Include.
12391 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12392 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12393 (get_constraint_for): For ADDR_EXPR operating on something
12394 containing an ARRAY_REF, add all subvars to the solution.
12395 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12396 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12397 for creating MUST_DEFs.
12398 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12400 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12402 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12404 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12405 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12406 number_of_iterations_le): New functions.
12407 (number_of_iterations_special): Removed.
12408 (number_of_iterations_exit): Do not use number_of_iterations_special.
12409 * tree.c (unsigned_type_for): Always return integer type.
12411 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12412 Richard Guenther <rguenther@suse.de>
12414 PR rtl-optimization/24257
12415 * gcse.c (find_moveable_store): Only consider a store movable
12416 when the SET_SRC of the insn can be assigned to a register.
12418 2006-01-14 Ian Lance Taylor <ian@airs.com>
12420 * tree.c (tree_not_class_check_failed): New function.
12421 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12422 (tree_not_class_check_failed): Declare.
12424 2006-01-13 Ian Lance Taylor <ian@airs.com>
12426 * reload1.c (do_output_reload): Add assertion rejecting a
12429 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12431 * combine.c (struct reg_stat): Add new fields truncation_label and
12433 (record_value_for_reg): Reset truncated_to_mode.
12434 (record_truncated_value): New function.
12435 (check_promoted_subreg): Call it. Rename to check_conversions.
12436 (combine_instructions): Rename check_promoted_subreg to
12438 (reg_truncated_to_mode): New function.
12439 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12440 (gen_lowpart_or_truncate): New function.
12441 (force_to_mode): Use it instead of gen_lowpart.
12443 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12445 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12446 VAR is a tag, not its type tag.
12448 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12450 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12451 alternatives to match style of other entries.
12452 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12454 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12456 PR tree-optimization/25771
12457 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12460 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12463 * tree-inline.c (declare_return_variable): If the return variable
12464 was marked as a non gimple complex, set the return slot variable
12465 to be a non gimple comple variable.
12467 2006-01-13 Richard Guenther <rguenther@suse.de>
12469 * builtins.c (expand_builtin_sincos): New function.
12470 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12472 (expand_builtin): Expand sincos using expand_builtin_sincos.
12474 2006-01-12 DJ Delorie <dj@redhat.com>
12476 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12477 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12478 so that constant shifts can be split.
12479 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12480 (m32c_valid_pointer_mode): Make static.
12481 (shift_gen_func_for): New.
12482 (m32c_prepare_shift): Use it. Split large const shifts into
12484 * config/m32c/predicates.md (shiftcount_operand): Allow more
12486 (longshiftcount_operand): New.
12487 * doc/md.texi (Machine Constraints): Document In6.
12489 2006-01-13 Ben Elliston <bje@au.ibm.com>
12491 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12492 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12495 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12497 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12498 to try to avoid clobbering pieces of structures when we know
12499 something about the whole structure.
12500 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12502 2006-01-13 Ben Elliston <bje@au.ibm.com>
12504 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12505 return in memory, as this is no limitation is no longer present.
12507 2006-01-12 DJ Delorie <dj@redhat.com>
12509 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12510 mova with fb, and for fb+0 -> An.
12512 * config/m32c/mov.md (peephole2): Fix enabling logic.
12514 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12515 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12516 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12517 FINI_ARRAY_SECTION_ASM_OP): Define.
12519 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12521 (m32c_legitimize_reload_address): New logic to reload FB to An.
12522 (m32c_output_reg_push): Add newline.
12523 (m32c_output_reg_pop): Likewise.
12525 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12527 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12529 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12531 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12533 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12535 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12538 2006-01-11 Ben Elliston <bje@au.ibm.com>
12540 * rtlanal.c (find_reg_note): Assert insn is not null.
12542 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12544 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12547 2006-01-11 Jeff Law <law@redhat.com>
12549 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12551 (mark_threaded_blocks, register_jump_thread): New functions.
12552 (thread_through_all_blocks): Remove unwanted argument. No
12553 longer rely on e->aux to communicate thread target info.
12554 Call mark_threaded_blocks. Release the threaded_blocks
12555 bitmap and threaded_edges vector when complete.
12556 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12557 (threaded_blocks): Remove.
12558 (tree_ssa_dominator_optimize): Remove initialization and
12559 finalization of threaded_blocks. Simplify call to
12560 thread_through_all_blocks.
12561 (thread_across_edge): Call register_jump_thread rather than
12562 storing thread information into e->aux.
12563 (free_all_edge_infos): Simplify now that e->aux is no longer
12564 used to communicate with thread_through_all_blocks.
12565 * tree-flow.h (thread_through_all_blocks): Update prototype.
12566 (register_jump_thread): Prototype.
12568 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12570 * df-core.c (df_compact_blocks, df_bb_replace): Use
12571 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12573 2006-01-11 Richard Guenther <rguenther@suse.de>
12575 PR tree-optimization/25734
12576 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12577 stop propagation after successful propagation to the LHS.
12579 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12581 * basic-block.h (control_flow_graph): Change the type of
12582 x_basic_block_info to VEC(basic_block,gc) *.
12583 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12585 (SET_BASIC_BLOCK): New.
12586 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12587 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12588 * cfgbuild.c (find_basic_blocks): Likewise.
12589 * cfglayout.c (fixup_reorder_chain): Likewise.
12590 * cfgrtl.c (create_basic_block_structure,
12591 rtl_create_basic_block): Likewise.
12592 * ifcvt.c (find_if_case_1): Likewise.
12593 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12596 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12598 * Makefile.in: Removed rotted odf.c entry.
12600 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12603 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12604 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12605 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12606 output pattern modifier, not %e.
12607 * config/cris/cris.c (cris_op_str): Update comment about pattern
12609 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12610 before falling through into...
12611 <case 'E'>: Redefined from old 'e' case.
12613 2006-01-11 Jan Hubicka <jh@suse.cz>
12616 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12618 2006-01-11 Jan Hubicka <jh@suse.cz>
12620 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12621 * i386.c (x86_decompose_lea): Kill.
12622 (ix86_rtx_costs): Kill.
12624 2006-01-11 Jan Hubicka <jh@suse.cz>
12626 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12627 * cgraph.h (cgraph_node): Add inline_decl.
12628 (cgraph_insert_node_to_hashtable): Declare.
12629 (save_inline_function_body): Declare.
12630 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12632 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12633 (cgraph_function_versioning): Update call of tree_function_versioning.
12634 (save_inline_function_body): New function.
12635 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12636 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12637 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12638 (cgraph_default_inline_p): Likewise.
12639 (cgraph_decide_inlining_incrementally): Likewise.
12640 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12641 (copy_bb): Kill saving; do updating of clones.
12642 (copy_cfg_body): Kill saving.
12643 (initialize_inlined-parameters): Likewise.
12644 (expand_call_inline): Likewise.
12646 (tree_function_versioning): New parameter "update_clones".
12647 (inlining_p): Kill saving.
12648 * tree-inline.h (tree_function_versioning): Update prototype.
12649 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12652 2006-01-11 Ian Lance Taylor <ian@airs.com>
12654 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12655 Allow undoing set of machine mode.
12656 (do_SUBST): Use enums instead of is_int.
12657 (do_SUBST_MODE): New function.
12658 (SUBST_MODE): New macro.
12659 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12660 reg and trying to replace reg_regno_rtx with a new register.
12661 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12662 (simplify_set): Use SUBST_MODE.
12663 (distribute_notes): Remove code that tried to update reg notes
12664 for regno_reg_rtx changes.
12666 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12668 PR tree-optimization/23109
12669 PR tree-optimization/23948
12670 PR tree-optimization/24123
12672 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12673 * tree-cfg.c (single_noncomplex_succ): New.
12674 * tree-flow.h (single_noncomplex_succ): Declare it.
12675 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12676 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12677 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12678 insert_bb, register_division_in, insert_reciprocals,
12679 replace_reciprocal, free_bb): New.
12680 (execute_cse_reciprocals_1): Rewritten.
12681 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12682 Do not commit any edge insertion. Always compute dominators and
12683 create the allocation pool.
12684 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12685 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12686 * targhooks.c (default_min_divistions_for_recip_mul): New.
12687 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12688 * passes.c (init_optimization_passes): Run recip after tree loop
12690 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12692 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12693 Kenneth Zadeck <zadeck@naturalbridge.com>
12695 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12696 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12697 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12698 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12699 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12700 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12701 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12702 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12703 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12704 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12705 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12706 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12707 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12708 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12709 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12710 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12711 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12712 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12713 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12714 DF_SCAN_POST_ALLOC): New macros.
12715 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12716 df_free_bb_function, df_local_compute_function, df_init_function,
12717 df_dataflow_function, df_confluence_function_0,
12718 df_confluence_function_n, df_transfer_function,
12719 df_finalizer_function, df_free_function, df_dump_problem_function,
12720 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12721 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12722 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12723 df_urec_bb_info, ) New types.
12724 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12726 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12727 df_analyze_simple_change_some_blocks,
12728 df_analyze_simple_change_one_block, df_compact_blocks,
12729 df_bb_replace, df_bb_regno_last_use_find,
12730 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12731 df_insn_regno_def_p, df_find_def, df_find_use,
12732 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12733 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12734 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12735 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12736 debug_df_chain, df_get_dependent_problem, df_chain_create,
12737 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12738 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12739 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12740 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12741 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12742 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12743 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12744 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12745 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12746 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12747 df_reorganize_refs, df_set_state, df_hard_reg_init,
12748 df_read_modify_subreg_p) New public functions.
12749 * df-core.c: The core dataflow solver and glue routines for rtl
12751 (df_init, df_add_problem, df_set_blocks, df_finish,
12752 df_hybrid_search_forward, df_hybrid_search_backward,
12753 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12754 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12755 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12756 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12757 df_reg_defined, df_find_use, df_reg_used, df_dump,
12758 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12759 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12760 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12761 debug_df_useno, reset_df_after_reload): New functions.
12762 * df-scan.c: The scanning fuctions, once in df.c, completely
12763 rewritten so that they now fully model the functionality of
12764 register usage at the backend.
12765 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12766 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12767 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12768 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12769 df_get_artificial_defs, df_get_artificial_uses,
12770 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12771 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12772 df_refs_delete, df_reorganize_refs, df_set_state,
12773 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12774 df_def_record_1, df_defs_record, df_uses_record,
12775 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12776 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12777 df_record_exit_block_uses, df_hard_reg_init): New functions.
12779 * df-problems.c: Seven concrete dataflow problems that use the
12780 scanning in df-scan.c and are solved by the engine in df-core.c.
12781 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12782 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12783 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12784 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12785 df_ru_free_bb_info, df_ru_alloc,
12786 df_ru_bb_local_compute_process_def,
12787 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12788 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12789 df_ru_transfer_function, df_ru_free, df_ru_dump,
12790 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12791 df_rd_free_bb_info, df_rd_alloc,
12792 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12793 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12794 df_rd_transfer_function, df_rd_free, df_rd_dump,
12795 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12796 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12797 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12798 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12799 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12800 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12801 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12802 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12803 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12804 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12805 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12806 df_urec_mark_reg_use_for_earlyclobber,
12807 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12808 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12809 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12810 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12811 df_chain_create_bb_process_use, df_chain_create_bb,
12812 df_chain_finalize, df_chain_free, df_chains_dump,
12813 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12814 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12815 df_reg_lifetime): New functions.
12816 * df.c: Deleted file.
12817 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12818 consistent with new df api.
12819 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12820 rest_of_handle_sms): Ditto.
12821 * web.c (unionfind_union, union_defs, entry_register, web_main):
12823 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12824 invariant_expr_equal_p, find_defs, check_dependencies,
12825 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12826 free_inv_motion_data, move_loop_invariants): Ditto.
12827 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12828 Update dependencies.
12829 (odf.c): Added defective entry that was deleted later in day.
12830 * sched-deps.c (sched_analyze_1): Ditto.
12832 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12834 * tree-ssa-operands.c (get_expr_operands): Record addressable
12835 variables directly. Do not call add_stmt_operands for CONST_DECLs
12837 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12838 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12840 2006-01-11 Ben Elliston <bje@au.ibm.com>
12842 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12843 function returns true in the positive case.
12845 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12848 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12849 for SI, DI, SF and DF modes. Add alternatives to copy between
12850 general and floating point registers to the 32-bit patterns.
12851 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12852 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12853 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12854 generating 64-bit code.
12855 * config/pa/pa.c (output_move_double): Handle copies between general
12856 and floating registers.
12858 2006-01-10 Stuart Hastings <stuart@apple.com>
12860 * config/i386/i386.md (set_got): Update.
12861 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12862 (builtin_setjmp_receiver): Mach-O support.
12863 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12864 (GOT_SYMBOL_NAME): Define.
12865 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12866 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12867 * config/i386/i386.c (override_options): Revise for Darwin.
12868 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12869 support. (darwin_x86_file_end): New. (output_set_got): Add label
12870 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12871 * config/i386/i386-protos.h (output_set_got): Likewise.
12872 * config/darwin.c (machopic_legitimize_pic_address): Update
12875 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12877 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12878 when MODE isn't BLKmode.
12880 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12882 PR rtl-optimization/25367
12883 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12885 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12888 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12889 for a negative bound.
12891 2006-01-10 Richard Guenther <rguenther@suse.de>
12893 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12894 Never override with anything constraint.
12896 2006-01-10 Jan Beulich <jbeulich@novell.com>
12898 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12899 256 bits when optimize_size.
12901 2006-01-10 Jan Beulich <jbeulich@novell.com>
12903 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12905 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12906 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12909 2006-01-10 Ben Elliston <bje@au.ibm.com>
12911 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12913 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12914 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12915 (USE_FP_FOR_ARG): Reject decimal float modes.
12916 (function_arg_advance): Likewise.
12917 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12918 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12919 point types in AltiVec vectors.
12920 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12921 (rs6000_libcall_value): Likewise.
12923 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12925 * config/xtensa/ieee754-df.S: New file.
12926 * config/xtensa/ieee754-sf.S: New file.
12927 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12928 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12929 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12931 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12933 * config/sh/predicates.md (binary_float_operator,
12934 binary_logical_operator, commutative_float_operator,
12935 equality_comparison_operator, greater_comparison_operator,
12936 less_comparison_operator, logical_operator,
12937 noncommutative_float_operator, shift_operator,
12938 symbol_ref_operand, unary_float_operator): Remove redundant
12941 2006-01-09 Jeff Law <law@redhat.com>
12943 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12944 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12945 now unused arguments. Callers updated.
12946 (eliminate_redundant_computations): Remove now unused arguments,
12948 (local_fold): Remove, no longer used.
12949 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12951 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12952 (simplify_cond): New function.
12953 (forward_propagate_into_cond): Call simplify_cond.
12955 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12957 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12958 (*vec_extractv2di_1_sse): New.
12960 2006-01-09 Ben Elliston <bje@au.ibm.com>
12962 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12964 2006-01-08 Richard Guenther <rguenther@suse.de>
12966 * tree-ssa-structalias.c (get_constraint_for): Remove
12967 anyoffset argument.
12968 (get_constraint_for_component_ref): Likewise.
12969 (do_deref): Likewise.
12970 (get_constraint_for): Likewise.
12971 (do_structure_copy): Likewise.
12972 (handle_ptr_arith): Likewise.
12973 (find_func_aliases): Likewise. Remove unused need_anyoffset
12976 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12977 Kaz Kojima <kkojima@gcc.gnu.org>
12979 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12980 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12981 (EXTRA_CONSTRAINT_C16): Remove.
12982 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12983 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12984 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12985 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12986 constants of SHmedia. Handle nested constant expressions of
12988 (andcosts): Fix the costs for SHmedia constants.
12989 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12990 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12991 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12992 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12993 (movv4hi_i, movv2si_i): Likewise.
12994 (movsi_const): Adjust the second operand of ior so to match with
12995 the Csu constraint.
12996 (movdi_const, movdi_const_32bit): Likewise.
12997 (movdi_const_16bit+1): Don't sign-extend LOW.
12998 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13000 (*double_shori): Fix the split condition. Use GEN_INT instead
13001 of get_int_mode calls. Mask lower 16-bit of the argument of
13003 (sym2GOTPLT): Remove.
13004 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13006 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13007 instead of EXTRA_CONSTRAINT_C16.
13009 2006-01-07 Ian Lance Taylor <ian@airs.com>
13010 David Edelsohn <edelsohn@gnu.org>
13012 PR rtl-optimization/25662
13013 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13014 for constant operands instead of simplify_gen_binary.
13015 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13016 after trying simplify_binary_operation
13018 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13020 * tree.c (iterative_hash_expr): Hash decls based on UID.
13022 2006-01-06 Eric Christopher <echristo@apple.com>
13024 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13025 (TARGET_UNWIND_EMIT): Fix spelling.
13026 * target.h (gcc_target): Add except_table_label.
13027 * except.c (output_function_exception_table): Use.
13028 * varasm.c (default_emit_except_table_label): New.
13029 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13031 (asm_out): Add here.
13032 * output.h (default_emit_except_table_label): Prototype.
13033 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13034 * config/darwin.c (darwin_emit_except_table_label): Define.
13035 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13037 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13039 PR tree-optimization/18527
13040 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13041 number_of_iterations_special, number_of_iterations_exit):
13042 Move base and step of an iv to a single structure. Add
13043 no_overflow flag, and use it in # of iterations analysis.
13044 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13045 folded_casts argument.
13046 (simple_iv): Pass base and step in a structure. Set no_overflow
13048 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13049 Evaluate expensiveness of computing # of iterations instead of
13050 the final expression.
13051 * tree-scalar-evolution.h (affine_iv): New structure.
13052 (simple_iv): Declaration changed.
13053 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13054 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13055 find_givs_in_stmt): Changed due to simple_iv change.
13057 2006-01-06 Jeff Law <law@redhat.com>
13060 * tree-cfg.c (bsi_replace): Rename final argument from
13061 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13062 change (stmt -> orig_stmt).
13063 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13064 (bsi_remove): Add new argument. Remove EH information
13066 (verify_eh_throw_table_statements): New function.
13067 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13069 * tree-optimize.c (execute_free_cfg_annotations): Verify
13070 the EH throw statement table after removing annotations.
13071 * except.h (verify_eh_throw_table_statements): Prototype.
13072 * tree-flow.h (bsi_remove): Update prototype.
13073 * tree-vrp.c (remove_range_assertions): Add new argument to
13075 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13076 * tree-complex.c (expand_complex_div_wide): Likewise.
13077 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13078 * tree-tailcall.c (eliminate_tailcall): Likewise.
13079 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13080 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13081 * tree-nrv.c (tree_nrv): Likewise.
13082 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13083 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13084 (combine_blocks): Likewise.
13085 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13086 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13087 (cleanup_control_flow): Likewise.
13088 (remove_forwarder_block): Likewise.
13089 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13090 * tree-sra.c (sra_replace): Likewise.
13091 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13092 (forward_propagate_single_use_vars): Likewise.
13093 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13094 * tree-inline.c (expand_call_inline): Likewise.
13095 * tree-vect-transform.c (vect_transform_loop): Likewise.
13096 * tree-outof-ssa.c (rewrite_trees): Likewise.
13097 * tree-cfg.c (make_goto_expr_edges): Likewise.
13098 (cleanup_dead_labels): Likewise.
13099 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13100 (bsi_move_before, bsi_move_after): Likewise.
13101 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13102 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13104 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13107 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13109 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13110 on non gimple variables. Also add checks at the top for decls and
13112 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13114 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13115 and IMAGPART_EXPR for creating MUST_DEFs.
13116 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13117 and NAME_MEMORY_TAG separately from the DECLs.
13119 2006-01-06 Richard Guenther <rguenther@suse.de>
13121 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13122 annotation, if necessary.
13123 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13124 redundant calls to update_stmt.
13125 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13128 2006-01-05 Richard Henderson <rth@redhat.com>
13130 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13132 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13134 * c-typeck.c: Update copyright date.
13136 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13138 * c-typeck.c (build_c_cast): Always warn when casting
13139 from a pointer to an integer of different size, even if
13140 the node was constant.
13142 2006-01-05 Richard Guenther <rguenther@suse.de>
13144 PR tree-optimization/22555
13145 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13146 if one structure field is an array.
13147 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13148 operands even if we found a subvar, but ignore VOPs in this
13150 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13152 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13154 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13156 PR middle-end/24998
13157 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13159 2006-01-05 Richard Guenther <rguenther@suse.de>
13160 Diego Novillo <dnovillo@redhat.com>
13162 * tree-pass.h (TODO_remove_unused_locals): Define.
13163 * gimple-low.c (expand_var_p, remove_useless_vars,
13164 pass_remove_useless_vars): Remove. Update all users.
13165 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13166 (remove_unused_locals): New function.
13167 * tree-flow.h (remove_unused_locals): Declare.
13168 * passes.c (execute_todo): Call remove_unused_locals if
13169 TODO_remove_unused_locals is set.
13170 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13171 * tree-ssa-dce.c (pass_dce): Likewise.
13172 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13174 2006-01-05 Richard Guenther <rguenther@suse.de>
13176 * tree-flow.h (struct fieldoff): Decompose field to
13177 type, size and decl.
13178 * tree-ssa-alias.c (create_sft): Take type as parameter.
13179 (create_overlap_variables_for): Store type, size and decl
13180 in the fieldoff structure.
13181 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13182 of struct fieldoff.
13183 (push_fields_onto_fieldstack): Likewise.
13184 (create_variable_info_for): Likewise. Use offset for the
13185 SFT name if the decl is not available.
13187 2006-01-04 Paul Brook <paul@codesourcery.com>
13189 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13191 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13193 * lambda-code.c (can_put_in_inner_loop): Relax
13195 (can_put_after_inner_loop): New function.
13196 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13197 (perfect_nestify): Change to make copies and modify uses.
13199 2006-01-04 Richard Henderson <rth@redhat.com>
13201 Merge from gomp branch:
13202 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13203 via integer constant.
13204 (pragma_lex): Remove.
13205 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13206 rather than parsing it.
13207 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13208 handle_pragma_extern_prefix): Add %< %> quotes.
13209 (registered_pragmas): New.
13210 (c_register_pragma_1): New.
13211 (c_register_pragma): Use it.
13212 (c_register_pragma_with_expansion): Likewise.
13213 (c_invoke_pragma_handler): New.
13214 (init_pragma): Use cpp_register_deferred_pragma directly for
13216 * c-pragma.h (enum pragma_kind): New.
13217 (pragma_handler): New.
13218 (c_invoke_pragma_handler): Declare.
13219 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13221 * c-common.h (c_common_pch_pragma): Update decl.
13222 * Makefile.in (c-parser.o): Update dependencies.
13223 (GTFILES): Add c-pragma.h.
13224 * c-parser.c (struct c_token): Add pragma_kind.
13225 (struct c_parser): Add in_pragma.
13226 (c_lex_one_token): Always initialize keyword and pragma_kind.
13227 Extract data for CPP_PRAGMA.
13228 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13229 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13230 Don't allow CPP_PRAGMA_EOL if in_pragma.
13231 (c_parser_consume_pragma): New.
13232 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13233 (c_parser_skip_to_end_of_parameter): Likewise.
13234 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13235 (c_parser_skip_to_pragma_eol): New.
13236 (c_parser_external_declaration): Handle CPP_PRAGMA.
13237 (c_parser_compound_statement_nostart): Likewise.
13238 (c_parser_statement_after_labels): Likewise.
13239 (c_parser_pragma): New.
13240 (pragma_lex): Likewise.
13241 (c_parser_pragma_pch_preprocess): New.
13242 (c_parser_new): Merge into ...
13243 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13245 2006-01-04 Jeff Law <law@redhat.com>
13248 * tree-cfg.c (bsi_replace): Remove the original statement
13249 from the EH throw statement table.
13251 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13253 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13254 make the prototype extern "C" and add throw ().
13257 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13258 and pos non-negative and pos + len <= 32.
13259 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13260 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13261 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13264 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13265 as well as sizes not multiple of component size.
13268 * function.c (instantiate_expr): New function.
13269 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13270 walk its DECL_VALUE_EXPR with instantiate_expr.
13272 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13273 DW_OP_deref{,_size} if address isn't going to be added.
13275 2006-01-04 Ben Elliston <bje@au.ibm.com>
13277 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13278 * config/fp-bit.c: Likewise.
13280 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13282 * dominance.c: Add comment about why we use DFS numbering
13285 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13286 Richard Henderson <rth@redhat.com>
13288 Merge from gomp-branch:
13289 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13290 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13292 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13294 PR rtl-optimization/25578
13295 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13296 pass a parameter to simplify_shift_const if changing ASHIFTRT
13299 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13301 * builtins.c (get_builtin_sync_mem): New function.
13302 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13303 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13304 Call get_builtin_sync_mem to generate mem rtx.
13306 2006-01-03 Richard Guenther <rguenther@suse.de>
13309 * stmt.c (add_case_node): Make sure to clear overflow flags
13312 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13314 Merge from gomp-branch.
13315 * config/sparc/sync.md: New file.
13316 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13317 UNSPECV_LDSTUB): New constants.
13318 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13319 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13320 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13323 2006-01-03 Roger Sayle <roger@eyesopen.com>
13325 * combine.c (reg_subword_p): New predicate to test whether the
13326 destination of a set refers to a subword/piece of a register.
13327 (try_combine): Generalize the code to merge the setting of a
13328 pseudo to a constant followed by a set of a subword of that
13329 register to a constant.
13331 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13333 * basic-block.h (control_flow_graph): Change the type of
13334 x_label_to_block_map to VEC(basic_block,gc) *.
13335 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13336 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13338 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13339 VEC(basic_block,heap) *.
13340 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13341 ssa_prop_fini): Adjust the uses of cfg_blocks.
13343 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13345 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13347 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13348 hashing trees instead of a pointer hash.
13349 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13350 compare for MEM_EXPR.
13352 PR rtl-optimization/25130
13353 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13354 when comparing MEMs for GCSE
13356 2006-01-03 Ben Elliston <bje@au.ibm.com>
13358 * targhooks.h (default_decimal_float_supported_p): Declare.
13359 * targhooks.c (default_decimal_float_supported_p): Define.
13360 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13361 `default_decimal_float_supported_p'.
13362 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13364 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13366 * combine.c (apply_distributive_law <SUBREG>): Check
13367 TRULY_NOOP_TRUNCATION.
13369 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13371 * dwarf2out.c (have_switched_text_section): Delete.
13372 (have_multiple_function_sections): New.
13373 (have_location_lists): Make 'bool'.
13374 (add_AT_loc_list): Use 'true' not '1'.
13375 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13376 (output_loc_list): Use have_multiple_function_sections.
13377 (output_ranges): Likewise.
13378 (dwarf2out_begin_function): Set have_multiple_function_sections if
13380 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13381 Check function_section rather than DECL_SECTION_NAME.
13382 (dwarf2out_finish): Use have_multiple_function_sections.
13383 Don't clear have_location_lists.
13385 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13386 Jan Hubicka <jh@suse.cz>
13388 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13389 case of conditional jump jumping to the next instruction.
13390 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13391 cases of conditional jump jumping to the next instruction.
13393 2006-01-02 Jan Hubicka <jh@suse.cz>
13395 * i386.c (*_cost): Add COSTS_N_INSNS.
13396 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13398 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13401 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13403 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13405 * config/arm/arm.c (all_fpus): Fix comment typo.
13406 * config/darwin.c: Likewise.
13407 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13408 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13409 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13411 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13413 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13414 (rs6000_split_compare_and_swapqhi): New.
13415 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13416 (sync_compare_and_swapqhi_internal): New.
13417 * config/rs6000/rs6000-protos.h: Declare.