1 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6 2006-07-20 Eric Christopher <echristo@apple.com>
9 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
11 2006-07-19 Eric Christopher <echristo@apple.com>
13 * config/t-slibgcc-darwin (stmp-lipo): Remove.
14 Rewrite dependencies for libgcc_s.1.dylib.
16 2006-07-19 Jakub Jelinek <jakub@redhat.com>
18 * except.c (duplicate_eh_regions_1): Clear next_peer.
20 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
22 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
23 -mlongcall does not guarantee all calls will be long.
24 * doc/extend.texi (long_call/short_call): Document that longcall
25 does not guarantee a long call will be used.
26 (longcall/shortcall): Likewise.
28 2006-07-18 Roger Sayle <roger@eyesopen.com>
31 * expmed.c (expand_shift): Additionally check that the shift_cost
32 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
33 before implementing a LSHIFT_EXPR as a sequence of additions.
34 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
35 middle-end that DImode shifts need to be synthesized by expand.
37 2006-07-18 Diego Novillo <dnovillo@redhat.com>
40 * tree-ssa-operands.c (access_can_touch_variable): Update
42 Return true if ALIAS is .GLOBAL_VAR.
44 2006-07-18 David Daney <ddaney@avtrex.com>
46 * gcc.c (display_help): Fix typo in help text.
48 2006-07-18 Olivier Hainque <hainque@adacore.com>
50 * tree.h (categorize_ctor_elements): Adjust prototype and add
51 descriptive comment, both in accordance with the interface change
53 * varasm.c (constructor_static_from_elts_p): New function.
54 Whether a constructor node is a valid static constant initializer
55 if all its elements are.
56 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
57 * output.h: Declare it.
58 * expr.c (categorize_ctor_elements_1): Return whether the constructor
59 is a valid constant initializer instead of computing the number of
60 non-constant elements. Use constructor_static_from_elts_p for this
61 purpose. Replace the head comment with an indication that this is a
62 helper for categorize_ctor_elements.
63 (categorize_ctor_elements): Same interface change as for the _1
64 helper. Former head comment from this helper moved here, adjusted to
65 account for the interface changes.
66 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
67 (all_zeros_p): Likewise.
68 * gimplify.c (gimplify_init_constructor): Decide whether we can make
69 static versions of the constructor from the categorize_ctor_elements
70 return value instead of the formerly computed number of non-constant
73 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
75 * configure: Regenerate.
76 * Makefile.in (build_libsubdir): New configure substitution
77 (build_libobjdir): New variable.
78 (BUILD_LIBIBERTY): Use it.
80 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
83 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
85 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
88 * c-common.c (handle_weakref_attribute): Ignore attribute in
89 the same conditions the alias attribute is ignored.
91 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
93 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
94 (dbxout_begin_prologue): Increment scope_labelno.
96 2006-07-17 Richard Henderson <rth@redhat.com>
99 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
102 2006-07-17 Roger Sayle <roger@eyesopen.com>
103 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
105 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
106 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
107 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
108 functions such as sbrk, write, etc.. Add function prototypes.
109 Convert function declarations from K&R to ISO C. Cast pointers
110 to "long" and "unsigned long" instead of "int" and "unsigned int".
111 Convert tokens following #endif into comments.
113 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
115 * invoke.texi: Remove mention of f77; Reformat table for
116 inline parameter options correctly; mention that -malign-double
117 is default on x86-64 targets.
119 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
121 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
122 (convert_affine_scev, chrec_convert_aggressive): Use
123 avoid_arithmetics_in_type_p. Do not check for the subtypes
126 2006-07-17 Richard Sandiford <richard@codesourcery.com>
129 * optabs.c (expand_doubleword_shift): Wrap the call to
130 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
132 2006-07-17 Richard Sandiford <richard@codesourcery.com>
135 * optabs.c (expand_binop): Pass next_methods rather than methods
136 to expand_doubleword_shift.
138 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
141 * tree.h (dump_addr): Declare.
142 * print-tree.c (dump_addr): New function.
143 (print_node_brief, print_node): Use it.
144 * print-rtl.c (print_rtx): Likewise.
145 * common.opt (-fdump-noaddr): New option.
146 * doc/invoke.texi (-fdump-noaddr): Document.
147 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
148 (ve_info_hash): Likewise.
150 2006-07-13 Andrew Haley <aph@redhat.com>
152 PR tree-optimization/19505
153 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
154 edge leaving this block, make sure that the destination of this
155 block has only one predecessor.
157 2006-07-17 Richard Guenther <rguenther@suse.de>
159 PR tree-optimization/28238
160 * tree-inline.c (copy_bb): Check if we produced valid
161 gimple copying and substituting a stmt. If not, gimplify
164 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
166 * optabs.c (maybe_encapsulate_block): New function extracted from...
167 (emit_libcall_block): ...here. Invoke it on the block of insns to
168 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
169 (emit_no_conflict_block): Likewise.
171 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
173 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
175 2006-07-15 Roger Sayle <roger@eyesopen.com>
177 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
178 a new NOP_EXPR case of the switch statement.
180 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
183 * stor-layout.c (place_field): Take the bit field with
184 an excessive size into account in the ms-bitfiled case.
187 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
188 the previous bit field.
190 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
193 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
195 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
197 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
198 signal frames correctly even when the signal was installed with
201 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
203 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
204 (dbxout_function_end): Use local label LFBB. Remove hook
206 (dbxout_source_line): Use local label LFBB.
207 (dbxout_block): Likewise.
208 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
209 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
210 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
213 2006-07-13 Janis Johnson <janis187@us.ibm.com>
215 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
217 2006-07-13 Jan Hubicka <jh@suse.cz>
219 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
221 * output.h (align_variable): Declare.
222 * varasm.c (align_variable): Export.
223 * value-prof.c (tree_value_profile_transformations): Recompute iterator
224 when basic block changed.
226 2006-07-13 Nick Clifton <nickc@redhat.com>
228 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
229 walking the LOG_LINKS chain.
231 2006-07-12 Geoffrey Keating <geoffk@apple.com>
233 * doc/invoke.texi (C++ Dialect Options): Explain difference
234 between -fvisibility-inlines-hidden and setting hidden
235 visibility explicitly.
237 2006-07-12 Eric Christopher <echristo@apple.com>
239 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
240 (stmp-lipo): Depend on libgcc.a.
242 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
244 * tree.c: Fix a comment typo.
246 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
248 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
250 (umulhisi3_r): Likewise.
252 2006-07-12 Paolo Carlini <pcarlini@suse.de>
255 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
256 x < 19, vs wchar_t support.
258 2006-07-12 Nick Clifton <nickc@redhat.com>
260 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
263 2006-07-12 Mike Stump <mrs@apple.com>
265 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
267 2006-07-10 Eric Christopher <echristo@apple.com>
269 * config/t-slibgcc-darwin: Rewrite.
271 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
274 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
277 2006-07-08 Matthias Klose <doko@debian.org>
279 * doc/sourcebuild.texi: Fix typo.
281 2006-07-07 Mike Stump <mrs@apple.com>
283 * toplev.c (process_options): Don't give -ffunction-sections may
284 affect debugging warning for Mach-O.
286 2006-07-07 James E Wilson <wilson@specifix.com>
288 * config/mips/mips.md (cpu): Add sb1a.
289 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
290 addition to sb1. Adjust comments to clarify SB-1A differences from
292 (ir_sb1a_load): New. Modify bypasses to use it.
293 (ir_sb1a_simple_alu): Likewise.
294 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
295 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
296 (mips_issue_rate): Add PROCESSOR_SB1A.
297 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
298 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
299 (TARGET_SB1): Add PROCESSOR_SB1A check.
300 (TUNE_SB1): Likewise.
302 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
303 * config/mips/mips.c (mips_store_data_bypass_p): New.
304 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
307 2006-07-08 Paul Brook <paul@codesourcery.com>
310 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
312 2006-07-07 Richard Guenther <rguenther@suse.de>
315 * tree.h (build_one_cst): Declare.
316 * tree.c (build_one_cst): New function.
317 * tree-ssa-math-opts.c (get_constant_one): Remove.
318 (insert_reciprocals): Use build_one_cst.
319 * fold-const.c (fold_plusminus_mult): Likewise.
321 2006-07-07 Roger Sayle <roger@eyesopen.com>
323 * pointer-set.c (pointer_set_destroy): Correct whitespace.
324 * cfgloopanal.c (dump_graph): Likewise.
325 * dojump.c (discard_pending_stack_adjust): Likewise.
326 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
328 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
329 * function.c (finalize_block_changes): Likewise.
330 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
331 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
332 * rtl.c (dump_rtx_statistics): Likewise.
333 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
335 * varray.c (dump_varray_statistics): Likewise.
336 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
337 decode_decimal64, encode_decimal128, decode_decimal128,
338 decimal_real_to_decimal): Likewise.
340 2006-07-07 Richard Guenther <rguenther@suse.de>
342 PR tree-optimization/28187
343 * tree-vrp.c (vrp_operand_equal_p): New function.
344 (vrp_bitmap_equal_p): Likewise.
345 (update_value_range): Use them to compare old and new
348 2006-07-06 Roger Sayle <roger@eyesopen.com>
350 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
351 a default case to switch statement to silence compiler warnings.
353 2006-07-06 Roger Sayle <roger@eyesopen.com>
356 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
357 the configured assembler supports the x87's ffreep mnemonic.
358 * configure: Regenerate.
359 * config.in: Regenerate.
361 * config/i386/i386.c (output_387_ffreep): New function.
362 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
363 (output_387_reg_move): Likewise.
365 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
367 Port to hosts whose 'sort' and 'tail' implementations
368 treat operands with leading '+' as file names, as POSIX
369 has required since 2001. However, make sure the code still
370 works on pre-POSIX hosts.
371 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
372 which says you should use "tail -c +N" rather than "tail +Nc".
373 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
375 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
377 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
380 2006-07-06 David Edelsohn <edelsohn@gnu.org>
383 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
384 PRE_{INC,DEC} of TFmode.
386 2006-07-06 David Edelsohn <edelsohn@gnu.org>
387 Alan Modra <amodra@bigpond.net.au>
390 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
393 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
396 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
397 Remove duplicate gtu.
399 2006-07-05 Jason Merrill <jason@redhat.com>
403 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
404 * c-common.c (handle_packed_attribute): So don't copy it here.
405 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
407 2006-07-05 Mike Stump <mrs@apple.com>
409 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
411 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
414 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
416 2006-07-05 Richard Guenther <rguenther@suse.de>
419 * config/i386/i386.md (*negdf2_1): Restrict pattern to
420 TARGET_SSE2 targets if using SSE math.
421 (*absdf2_1): Likewise.
423 2006-07-05 Richard Guenther <rguenther@suse.de>
425 PR tree-optimization/28162
426 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
427 make sure to convert the operands to the correct type.
429 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
431 PR tree-optimization/28218
433 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
434 to calculate and free the dominator information.
436 2006-07-04 Peter O'Gorman <peter@pogma.com>
438 * mklibgcc.in: chmod 644 before ranlib during install.
440 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
441 J"orn Rennecke <joern.rennecke@st.com>
443 * configure.ac (.eh_frame data check): Use diff -b.
445 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
448 * Makefile.in (BUILD_RTL): Add build/vec.o.
449 (build/gencondmd.o): Filter out -fkeep-inline-functions.
450 (build/genextract): Delete.
451 (build/genautomata): Likewise.
453 2006-07-04 Alan Modra <amodra@bigpond.net.au>
456 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
457 128-bit IBM long doubles for ABI_V4.
459 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
461 * tree.c (range_in_array_bounds_p): New predicate.
462 * tree.h (range_in_array_bounds_p): Declare it.
463 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
464 return a less conservative answer.
465 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
467 (IS_ELEMENT_FOR_GROUP): New macro.
468 (FOR_EACH_ACTUAL_CHILD): Likewise.
469 (next_child_for_group): New helper function.
470 (can_completely_scalarize_p): Take into account groups.
471 (sra_hash_tree): Handle RANGE_EXPR.
472 (sra_elt_eq): Likewise.
473 (lookup_element): Be prepared for handling groups.
474 (is_valid_const_index): Delete.
475 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
476 instead of is_valid_const_index.
477 <ARRAY_RANGE_REF>: New case.
478 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
479 is_valid_const_index.
480 <ARRAY_RANGE_REF>: Do not unconditionally punt.
481 (scan_dump): Dump info for groups too.
482 (decide_instantiation_1): Likewise.
483 (decide_block_copy): Assert that the element is not a group.
484 Propagate decision to groups.
485 (generate_one_element_ref): Handle RANGE_EXPR.
486 (mark_no_warning): Iterate over actual childs.
487 (generate_copy_inout): Likewise.
488 (generate_element_copy): Likewise.
489 (generate_element_zero): Likewise.
490 (generate_element_init_1): Likewise.
491 (dump_sra_elt_name): Handle RANGE_EXPR.
493 2006-07-03 Roger Sayle <roger@eyesopen.com>
495 PR tree-optimization/26251
496 * tree-ssa-threadupdate.c (redirection_block_p): New function.
497 (thread_block): When optimizing for size refuse to thread jumps
498 that would require duplication of blocks other than redirection
501 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
503 * configure.ac: Fix thinko in previous check-in.
504 * configure: Regenerate.
506 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
509 * configure.ac (for lang...): Simplify nesting of conditionals.
510 Test subdir_requires for non-enabled languages. Move processing
511 of lang_opt_files and lang_tree_fiels below that test.
512 * configure: Regenerate.
513 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
515 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
517 * doc/gcov.texi (Invoking Gcov): Add a missing word.
519 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
521 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
524 2006-06-29 Jason Merrill <jason@redhat.com>
531 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
532 * c-common.c (c_determine_visibility): Handle it here.
533 * c-decl.c (finish_decl): Call c_determine_visibility for
535 * flags.h (enum symbol_visibility): Sort from most to least visibility.
537 * varasm.c (default_assemble_visibility): Likewise.
538 * c-common.c (handle_visibility_attribute): Complain about trying
539 to give visibility to an already defined class, or trying to change
540 declared visibility. Always attach the attribute.
545 * attribs.c (decl_attributes): Ignore type-in-place attributes
546 once the type has been defined.
548 2006-06-29 Roger Sayle <roger@eyesopen.com>
551 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
552 to indicate the cpplib has issued an error message for us.
554 2006-06-29 Asher Langton <langton2@llnl.gov>
557 * config/i386/i386.c (ix86_output_function_epilogue): Don't
558 insert a label at the end of an function under Mach-O.
560 2006-06-29 Eric Christopher <echristo@apple.com>
561 Evan Cheng <evan.cheng@apple.com>
563 * predicates.md (vector_all_ones_operand): New.
564 (nonimmediate_or_sse_const_operand): Ditto.
565 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
566 * config/i386/i386.c (standard_sse_constant_opcode): Define.
567 (standard_sse_mode_p): Ditto.
568 (standard_sse_constant_p): Add case for -1 vector.
569 (ix86_expand_vector_move): Try to use.
570 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
571 Call standard_sse_constant_opcode.
572 (*movv4sf_internal): Ditto.
573 (*movv2df_internal): Ditto.
575 2006-06-29 Roger Sayle <roger@eyesopen.com>
577 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
578 of XEXP to extract the operands of a MATCH_CODE rtx.
580 2006-06-28 Andrew Pinski <pinskia@gmail.com>
582 * tree.c (tree_size): Do not waste tail padding in
583 struct tree_string and make the size be the same as
584 build_string will generate.
586 2006-06-28 Jason Merrill <jason@redhat.com>
589 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
590 may_aliases already in the tag's annotations to the bitmap.
592 2006-06-28 Roger Sayle <roger@eyesopen.com>
594 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
596 2006-06-28 Roger Sayle <roger@eyesopen.com>
598 * genpreds.c (generate_switch_p): New function.
599 (add_mode_tests): Push the new mode test down inside an AND expr
600 if this allows the switch-suitable MATCH_CODE to be near the root.
601 (write_match_code_switch): New function to write a MATCH_CODE as
603 (write_predicate_stmts): New function to write a predicate RTX
604 expression as a sequence of statements.
605 (write_one_predicate_function): Use write_predicate_stmts.
606 (write_tm_constrs_h): Likewise.
608 2006-06-26 Fred Fish <fnf@specifix.com>
610 * config/mips/t-sb1: New file.
611 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
614 2006-06-26 DJ Delorie <dj@redhat.com>
616 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
618 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
619 Jayant Sonar <jayants@kpitcummins.com>
620 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
622 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
623 (subsi3, subsi3_1, subsi3_2): New.
624 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
625 * config/m32c/mov.md (SI mov peephole): New.
626 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
627 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
629 2006-06-26 Olivier Hainque <hainque@adacore.com>
631 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
632 a CALL_EXPR target function declaration.
634 2006-06-26 Richard Guenther <rguenther@suse.de>
636 * tree.c (build_string): Do not waste tail padding in
639 2006-06-26 Richard Guenther <rguenther@suse.de>
641 * ggc-page.c (init_ggc): Add missing element to size_lookup
645 2006-06-23 Richard Guenther <rguenther@suse.de>
647 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
648 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
649 alignment requests instead. Add verification code.
650 Add struct tree_function_decl and struct tree_binfo size to
651 extra_order_size_table. Add missing element to size_lookup
654 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
657 * fold-const.c (const_binop): Be prepared for self returning zero.
658 Simplify code handling complex values.
660 2006-06-24 Olivier Hainque <hainque@adacore.com>
662 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
663 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
666 2006-06-24 Olivier Hainque <hainque@adacore.com>
668 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
669 ARRAY_REF, so have the callback called for the low bound expression.
671 2006-06-23 Janis Johnson <janis187@us.ibm.com>
673 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
674 * c-typeck.c (c_common_type): Disallow operations on decimal float
675 types and other float types.
676 * convert.c (convert_to_real): Don't ignore conversions involving
679 2006-06-23 Olivier Hainque <hainque@adacore.com>
681 * tree.c (max_int_size_in_bytes): New function, inspired from
682 code in function.c:assign_temp.
683 * tree.h (max_int_size_in_bytes): Declare.
684 * function.c (assign_temp): Use it.
685 * gimplify.c (create_tmp_var): Relax the assertions on the type
686 properties, not mandating constant size any more.
687 (force_constant_size): New static function.
688 (gimple_add_tmp_var): Use it, forcing variable size to a
689 constant upper bound if it is not constant on entry.
691 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
694 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
695 for initialization and setting of one_only flag to ...
696 (i386_pe_encode_section_info): ...here.
697 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
698 Recheck that the symbol has not been defined.
700 2006-06-23 Richard Guenther <rguenther@suse.de>
702 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
703 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
704 alignment requests instead. Add verification code.
705 Add struct tree_function_decl and struct tree_binfo size to
706 extra_order_size_table. Add missing element to size_lookup
709 2006-06-22 Roger Sayle <roger@eyesopen.com>
710 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
713 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
714 call to lang_hooks.types.type_for_mode returned NULL_TREE.
716 2006-06-23 Ben Elliston <bje@au.ibm.com>
718 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
719 negate dn -- manipulate it directly.
721 2006-06-22 Roger Sayle <roger@eyesopen.com>
722 Steven Bosscher <stevenb.gcc@gmail.com>
725 * reload1.c (gen_reload): Call mark_jump_label on the new insns
726 generated by gen_move_insn to add REG_LABEL notes if necessary.
728 2006-06-22 Bob Wilson <bob.wilson@acm.org>
730 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
731 (leaf_entry): Remove use of MIN_ESA.
733 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
735 PR rtl-optimization/28121
736 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
739 2006-06-21 DJ Delorie <dj@redhat.com>
741 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
743 (mulhisi3_r): Likewise.
745 2006-06-21 Richard Sandiford <richard@codesourcery.com>
748 * coverage.c (coverage_counter_alloc): Leave the index type
750 (coverage_counter_alloc): Use null arguments for operands 2 and 3
753 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
755 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
756 section from the "Options for Code Generation Conventions".
758 2006-06-21 Richard Henderson <rth@redhat.com>
762 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
764 (global_symbolic_operand): Allow weak symbols, even if local_p.
766 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
768 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
769 (find_interesting_uses_address): Punt if above function returns true.
771 2006-06-21 Richard Guenther <rguenther@suse.de>
773 * configure: Regenerated.
775 2006-06-21 Joseph Myers <joseph@codesourcery.com>
777 * config/mips/mips.c (function_arg): Where one part of a
778 complex argument is in registers and the other part in the stack,
779 return a REG not a PARALLEL.
781 2006-06-21 Mark Mitchell <mark@codesourcery.com>
783 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
784 when cross-compiling. Do not substitute libstdcxx_incdir.
785 * configure: Regenerated.
787 2006-06-21 Jakub Jelinek <jakub@redhat.com>
789 * varasm.c (mergeable_string_section): Check for embedded NULs and
790 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
791 rather than TREE_STRING_LENGTH bytes.
793 2006-06-21 Richard Guenther <rguenther@suse.de>
795 * ggc-page.c (extra_order_size_table): Add var_ann_d,
796 tree_ssa_name, bitmap_element and phi_node with 4 arguments
799 2006-06-21 Richrad Guenther <rguenther@suse.de>
801 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
802 Limit iteration over the dominators.
804 2006-06-20 Roger Sayle <roger@eyesopen.com>
806 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
807 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
809 2006-06-20 Richard Guenther <rguenther@suse.de>
810 Michael Matz <matz@suse.de>
812 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
814 * alloc-pool.c (free_alloc_pool_if_empty): New function.
815 * et-forest.h (et_free_pools): Prototype new function.
816 * et-forest.c (et_free_tree_force): Free parent occurrence.
817 (et_free_pools): New function.
818 * dominance.c (free_dominance_info): Free et-forest alloc
821 2006-06-20 Roger Sayle <roger@eyesopen.com>
823 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
824 integer modes, attempt to directly construct an integer constant.
826 * fold-const.c (native_encode_vector): Determine the size of each
827 element from the vector type instead of the first vector element.
829 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
830 if all of its elements/components are constant.
831 (build_constructor_from_list): Likewise.
833 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
835 PR tree-optimization/27331
836 * tree-data-ref.c (free_data_ref): New function.
837 (create_data_ref): Fail if the data reference has unknown access
839 (free_data_refs): Use free_data_ref.
841 2006-06-19 Andrew Pinski <pinskia@gmail.com>
844 * tree-inline.c (setup_one_parameter): Strip useless
845 type conversion before adding it to the IR.
846 (declare_return_variable): Likewise.
848 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
851 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
853 2006-06-19 Mike Stump <mrs@apple.com>
855 * tree.c (variably_modified_type_p): VM arguments don't make the
858 2006-06-19 Richard Guenther <rguenther@suse.de>
860 * tree-ssa-pre.c (try_combine_conversion): Strip useless
861 type conversions after folding.
863 2006-06-19 Richard Guenther <rguenther@suse.de>
865 * ggc-page.c (extra_order_size_tab): Add entries with
866 size of struct function and basic_block.
867 (size_lookup): Extend to cover sizes up to 511.
868 (ggc_alloc_stat): Adjust user.
869 (ggc_pch_count_object): Likewise.
870 (ggc_pch_alloc_object): Likewise.
871 (ggc_pch_write_object): Likewise.
873 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
875 * tree-ssa-loop-niter.c (implies_ge_p): New function.
876 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
879 2006-06-19 Denis Chertykov <denisc@overta.ru>
881 * config/avr/libgcc.S : Correct my wrong previous commit.
883 2006-06-19 Roger Sayle <roger@eyesopen.com>
886 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
887 have stripped a SUBREG from the shift count, so we may need to
888 convert_to_mode back to the type's mode before calling make_tree.
889 Use new_amount instead of amount to avoid expanding a tree twice.
891 2006-06-19 Richard Guenther <rguenther@suse.de>
894 * fold-const.c (operand_equal_p): Check if the argument types
895 have the same precision before stripping NOPs.
897 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
899 Fix PR tree-optimization/27341
900 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
902 * tree-complex.c (pass_lower_complex): Update SMT usage.
904 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
906 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
907 Add a new alternative to the constraint strings. Add move of
908 operand 1 to 3 to the splitter definition.
909 ("doloop_si_long"): Second contraint alternative removed.
911 2006-06-08 Anatoly Sokolov <aesok@post.ru>
913 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
914 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
916 (AVR_HAVE_MOVW) Define.
917 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
918 (ASM_SPEC): Add avr25.
919 (LINK_SPEC): Add avr25.
920 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
921 (base_arch_s): Add new member 'have_movw_lpmx'.
922 (avr_arch_types): Init 'have_movw_lpmx'.
923 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
924 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
925 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
926 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
927 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
929 (avr_file_start): Do not output '.arh' derective.
930 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
931 (__do_copy_data): Use __AVR_HAVE_LPMX__.
932 * config/avr/avr.md (mcu_enhanced): Delete.
933 (mcu_have_movw): Define.
934 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
935 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
936 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
937 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
938 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
939 attiny861 and at86rf401 devices.
941 2006-06-18 Jie Zhang <jie.zhang@analog.com>
943 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
946 2006-06-17 Karl Berry <karl@gnu.org>
948 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
949 doc/gccint.texi, doc/install.texi (@dircategory): Use
950 "Software development" instead of "Programming", following
951 the Free Software Directory.
953 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
955 * config/i386/i386.c (legitimate_tls_address)
956 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
957 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
958 (*tls_dynamic_gnu2_combine_64): Likewise.
960 2006-06-16 Richard Guenther <rguenther@suse.de>
963 * fold-const.c (negate_expr_p): Do not introduce undefined
964 overflow in negating INTEGER_CSTs.
965 (fold_negate_expr): Rename from negate_expr. Revert last
966 change for folding BIT_NOT_EXPR. Change semantics to
967 return NULL_TREE for non-simplified negations. Do not
968 strip type conversions and unify type handling.
969 (negate_expr): New function, wrap around fold_negate_expr
970 but ensure building a tree always. Strip type conversions
971 here, fold to result type.
972 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
974 2006-06-16 Roger Sayle <roger@eyesopen.com>
977 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
978 that (would) return their results in stack registers.
980 2006-06-16 Michael Matz <matz@suse.de>
981 Richard Guenther <rguenther@suse.de>
983 * fold-const.c (fold_truthop): Only return new tree node if
984 we canonicalized something.
986 2006-06-16 Richard Guenther <rguenther@suse.de>
988 * function.h (enum function_frequency): Move declaration
989 out of struct function.
990 (struct function): Move bool fields and the enum to the bitfield
991 section. Reorder elements to avoid padding. Remove unused
992 fields left over from the RTL inliner removal.
993 * function.c (free_after_compilation): Do not zero removed fields.
994 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
995 (ipa-type-escape.o): Likewise.
997 2006-06-16 Richard Guenther <rguenther@suse.de>
999 * cgraph.h (struct cgraph_local_info): Turn bool elements
1001 (struct cgraph_node): Likewise.
1002 (struct cgraph_varpool_node): Likewise.
1004 2006-06-15 Richard Guenther <rguenther@suse.de>
1006 * fold-const.c (fold_truth_not_expr): Rename from
1007 invert_truthvalue. Give it fold_* semantics to avoid
1009 (invert_truthvalue): New function. Wrapper around
1010 fold_truth_not_expr.
1011 (optimize_minmax_comparison): Avoid creating garbage.
1012 (fold_unary): Use fold_truth_not_expr for folding
1014 (fold_ternary): Replace uses of invert_truthvalue with
1015 fold_truth_not_expr where applicable.
1016 * tree.h (fold_truth_not_expr): Prototype.
1018 2006-06-16 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/27781
1021 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1022 * ipa-pure-const.c (target.h): Include.
1023 (analyze_function): Do not analyze functions that do not
1026 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1029 * tree-dfa.c (referenced_vars_dup_list): Remove.
1030 (find_referenced_vars): Remove assert.
1031 (referenced_var_check_and_insert): Replace dup list with assert.
1032 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1033 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1035 2006-06-15 Richard Guenther <rguenther@suse.de>
1037 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1038 extra unused identifiers if not dumping.
1039 (create_variable_info_for): Likewise.
1041 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1043 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1044 (derive_constant_upper_bound): Derive more precise upper bound in
1045 common cases. Return type changed to double_int.
1046 (record_estimate): Reflect the changed return type of
1047 derive_constant_upper_bound.
1048 * double-int.c (double_int_zext, double_int_sext): Fix.
1050 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1052 * configure.ac (CFLAGS): Get them from the toplevel or from the
1053 configure invocation.
1054 * configure: Regenerate.
1055 * Makefile.in (CFLAGS): Substitute value provided by configure.
1057 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1060 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1061 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1062 rather than calling add_stmt on it.
1063 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1065 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1068 * reload1.c (reload): Remove registers returned by update_eliminables
1069 from used_spill_regs.
1071 2006-06-13 DJ Delorie <dj@redhat.com>
1073 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1075 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1077 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1078 html__strip_dir, html__mkdir_p. Enhance install-html target.
1079 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1080 * configure: Regenerate.
1082 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1084 * fold-const.c (fold_cond_expr_with_comparison): Check for
1085 Objective-C++ as language in deciding COND_EXPR transformation.
1087 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1090 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1091 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1092 * config/sh/lib1funcs.h (SL, SL1): Define.
1093 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1094 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1095 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1096 (OBJS_Os_4_200): New variable.
1097 ($(T)libgcc-Os-4-200.a): Use it.
1098 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1099 when dividing 1 and/or by 0.
1101 2006-06-13 Roger Sayle <roger@eyesopen.com>
1103 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1104 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1105 * configure: Regenerate.
1107 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1109 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1110 for real instruction.
1112 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1115 * haifa-sched.c (check_cfg): Handle special case.
1117 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1120 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1121 Add debug_info parameter. Chain the vars to the BLOCK instead
1122 of the BIND_EXPR if debug info are requested for them.
1123 (pop_gimplify_context): Adjust for above change.
1124 (gimple_add_tmp_var): Likewise.
1125 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1127 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1128 (convert_local_reference): Likewise.
1129 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1130 (finalize_nesting_tree_1): Request that debug info be emitted
1131 for debug_var_chain.
1133 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1135 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1136 for PR target/27863.
1138 2006-06-13 Richard Guenther <rguenther@suse.de>
1141 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1143 2006-06-13 Richard Guenther <rguenther@suse.de>
1145 PR tree-optimization/27830
1146 * tree-inline.c (copy_body_r): For copying the operand
1147 of an ADDR_EXPR make sure to fold &* afterwards.
1149 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1151 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1152 lvalues in the fb_none case with side-effects.
1154 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1156 * tree-flow.h: Remove the prototype for
1157 compute_phi_arg_on_exit.
1158 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1159 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1162 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1164 * builtins.c (expand_builtin_return_addr): Only use
1165 frame_pointer_rtx when count == 0 and we are expanding
1166 __builtin_return_address.
1168 2006-06-12 Fred Fish <fnf@specifix.com>
1170 * config/mips/mips.c (mips_file_start): Create special section
1171 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1173 2006-06-11 Eric Christopher <echristo@apple.com>
1176 * stor-layout.c (place_field): Remove check for
1177 remaining_in_alignment when aligning at the end of a run.
1179 2006-06-11 Eric Christopher <echristo@apple.com>
1182 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1185 2006-06-11 Roger Sayle <roger@eyesopen.com>
1188 Revert incorrect fix for PR target/27158
1189 2006-05-08 Roger Sayle <roger@eyesopen.com>
1190 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1191 of a reg_equiv_constant if the result is a legitimate constant.
1193 2006-06-11 Roger Sayle <roger@eyesopen.com>
1196 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1197 extract a CONST_VECTOR element and interpret it as an integer.
1198 (vspltis_constant): Use const_vector_elt_as_int instead of the
1199 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1200 * config/rs6000/predicates.md (easy_vector_const): Consider
1201 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1203 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1206 * stor-layout.c (update_alignment_for_field): Don't add extra
1207 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1210 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1212 * config/mips/t-rtems: Add EL/EB multilib variants.
1214 2006-06-09 Mike Stump <mrs@apple.com>
1216 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1218 2006-06-09 David Daney <ddaney@avtrex.com>
1220 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1222 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1224 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1226 2006-06-09 Richard Guenther <rguenther@suse.de>
1228 PR tree-optimization/26998
1229 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1230 of signed types, only TYPE_MIN_VALUE is special, but for both,
1231 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1232 in this case, as is -fwrapv.
1234 2006-06-08 Mike Stump <mrs@apple.com>
1237 * config/darwin.c (darwin_asm_output_anchor): Disable
1238 -fsection-anchors on darwin for now.
1239 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1240 * rs6000/rs6000.c (optimization_options): Likewise.
1242 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1245 * config/i386/i386.c (classify_argument): Skip fields with invalid
1248 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1250 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1251 (cse_insn): Likewise for the stack_pointer_rtx.
1253 2006-06-08 Roger Sayle <roger@eyesopen.com>
1255 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1256 conditions from floating point comparisons.
1258 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1261 * expmed.c (struct alg_hash_entry): Fix type of field T
1262 to match synth_mult argument.
1263 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1265 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1268 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1271 2006-06-08 Richard Guenther <rguenther@suse.de>
1274 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1275 only, if overflow is defined and not trapping.
1276 (negate_expr): Likewise.
1278 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1280 PR tree-optimization/27872
1281 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1282 flag on the new exit edge of the unrolled loop.
1284 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1286 PR rtl-optimization/26449
1287 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1289 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1292 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1293 referenced_variables with matching DECL_UID's.
1294 (find_referenced_vars): Make sure duplicate list is empty to start.
1295 (referenced_var_p): Remove.
1296 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1297 Check if var is in the list, and add if needed. Update the duplicate
1298 list if a different var is in the list with the same DECL_UID.
1299 (add_referenced_var): Call routine to check and insert.
1300 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1301 * tree-flow.h (referenced_vars_dup_list): External declaration.
1303 2006-06-07 Fred Fish <fnf@specifix.com>
1305 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1308 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1311 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1312 the imaginary and real parts of a clobbered register.
1313 Emit insn to set the imaginary part.
1315 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1317 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1318 in lieu of unwind-dw2-fde.c.
1320 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1322 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1324 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1327 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1328 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1329 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1330 V4SImode temporaries and operations instead.
1332 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1334 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1337 2006-06-06 Mike Stump <mrs@apple.com>
1339 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1340 installing during build.
1342 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1344 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1346 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1347 * config/ia64/ia64.c (params.h): New header.
1348 (ia64_optimization_options): New function to adjust parameters.
1349 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1350 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1351 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1353 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1355 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1357 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1360 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1362 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1363 Victor Kaplansky <victork@il.ibm.com>
1365 PR tree-optimization/26360
1366 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1369 2006-06-04 Roger Sayle <roger@eyesopen.com>
1370 Andrew Pinski <pinskia@physics.uc.edu>
1373 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1374 for LABEL_DECL before calling DECL_WEAK.
1377 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1378 LABEL_DECL and PARM_DECL.
1380 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1384 * c-decl.c (grokdeclarator): Disallow variably modified types at
1385 file scope. Avoid marking shared array type of constant size as
1388 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1391 * c-common.c (fold_offsetof_1): Handle static members.
1393 2006-06-04 Eric Christopher <echristo@apple.com>
1395 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1396 (debug_rli): Output value for remaining_in_alignment.
1397 (update_alignment_for_field): Unconditionalize
1398 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1399 extra alignment code.
1400 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1401 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1402 * tree.h (record_layout_info_s): Remove prev_packed.
1403 * doc/extend.texi (ms_struct): Add documentation of format.
1405 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1407 * tree.h: Declare folding_initializer.
1408 * builtins.c (fold_builtin_constant_p): Give definite answer
1409 if folding inside an initializer.
1410 * fold-const.c: Define folding_initializer.
1411 (START_FOLD_INIT): Save and then set folding_initializer.
1412 (END_FOLD_INIT): Restore folding_initializer.
1414 2006-06-04 Richard Guenther <rguenther@suse.de>
1416 PR tree-optimization/27039
1417 * fold-const.c (fold_comparison): Handle pointer comparison
1418 again for all comparison codes. Compare offsets in signed
1420 (fold_binary): Move code from here.
1422 2006-06-03 Roger Sayle <roger@eyesopen.com>
1425 * config/i386/i386.c (construct_container): Split static issued_error
1426 flag into issued_sse_arg_error, issued_sse_ret_error and
1427 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1428 requires the use of x87 registers and the user explicitly
1429 specified the -mno-80387 command line option.
1431 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1433 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1434 HAVE_DECL_SIGALTSTACK.
1436 (segv_handler): Use MC_FLD.
1437 * configure.ac: Check for a sigaltstack declaration.
1438 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1439 * configure: Regenerate.
1440 * config.in: Regenerate.
1442 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1445 * Makefile.in (stmp-fixinc): Fix typo.
1447 2006-06-02 Roger Sayle <roger@eyesopen.com>
1449 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1450 are type correct. Clean-up.
1451 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1452 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1454 2006-06-01 DJ Delorie <dj@redhat.com>
1456 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1457 shift, as we've disabled the "switch" insn that needs it.
1459 2006-06-01 Per Bothner <bothner@bothner.com>
1461 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1462 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1463 * c-ppoutput.c (cb_define): Don't increment line 0.
1465 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1467 * doc/invoke.texi: Add cpu_type power6.
1468 * config.gcc: Add cpu_type power6.
1469 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1470 to power5+ with Altivec.
1471 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1472 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1474 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1476 * config/avr/avr.h (SET_ASM_OP): Define.
1478 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1480 * config/bfin/bfin.c: Fix comment typos.
1482 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1485 * doc/install.texi: Document --enable-bootstrap and
1486 --disable-bootstrap.
1488 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1490 * doc/install.texi: Document that InfoZIP can replace jar.
1492 2006-05-31 Roger Sayle <roger@eyesopen.com>
1494 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1495 isn't available, directly generate the simpler x87 patterns without
1496 the (use (const_int 0)).
1497 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1498 implementation isn't available.
1499 (*negdf2_1): Likewise.
1500 (*negxf2_1): XF mode negation is always done using the x87.
1501 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1503 2006-05-31 Roger Sayle <roger@eyesopen.com>
1505 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1506 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1508 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1510 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1512 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1513 * config/bfin/bfin.c (basic-block.h): Include.
1514 (struct machine_function): New.
1515 (bfin_init_machine_status): New.
1516 (override_options): Initialize init_machine_status.
1517 (bfin_hardware_loop): New.
1518 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1519 (DEF_VEC_P (loop_info)): New.
1520 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1521 (struct loop_info): New.
1522 (loop_info): New typedef.
1523 (struct loop_work): New.
1524 (loop_work): New typedef.
1525 (DEF_VEC_O (loop_work)): New.
1526 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1527 (bfin_dump_loops): New.
1528 (bfin_bb_in_loop): New.
1529 (bfin_scan_loop): New.
1530 (bfin_optimize_loop): New.
1531 (bfin_reorg_loops): New.
1532 (bfin_reorg): Use bfin_reorg_loops.
1533 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1535 (I_REGNO_P): Simplify.
1536 (DP_REGNO_P, DPREG_P): New macros.
1537 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1538 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1539 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1540 Add LT_REGS, LC_REGS, LB_REGS.
1541 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1543 (REGNO_REG_CLASS): Deal with loop registers.
1544 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1546 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1547 New constants for loop registers.
1548 (UNSPEC_LSETUP_END): New.
1549 (seq_insns): New define_attr. Set it for appropriate insns.
1550 (movsi_insn): Add alternatives for move from/to
1551 loop count registers.
1552 (doloop_end): New define_expand.
1553 (loop_end): New define_insn.
1554 (define_split for bad doloop_end): New.
1555 (lsetup_with_autoinit): New define_insn.
1556 (lsetup_without_autoinit): New define_insn.
1557 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1558 * config/bfin/predicates.md (lc_register_operand): New.
1559 (lt_register_operand): New.
1560 (lb_register_operand): New.
1561 (nondp_register_operand): New.
1562 (nondp_reg_or_memory_operand): New.
1563 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1565 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1567 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1568 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1570 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1572 * Makefile.in (CATALOGS): Add po/ prefix.
1573 * configure: Regenerated.
1575 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1578 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1579 a shift operand before calling shift_op. Avoid redundant call of
1582 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1583 DJ Delorie <dj@redhat.com>
1585 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1586 we're inserting is a singlt-bit constant.
1588 2006-05-30 Roger Sayle <roger@eyesopen.com>
1590 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1591 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1593 2006-05-30 Roger Sayle <roger@eyesopen.com>
1595 PR tree-optimization/23452
1596 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1597 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1598 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1599 complex values and with -ffast-math for FP complex values.
1601 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1603 * c-common.h: Remove the prototype for yyparse.
1604 * rtl.h: Remove the prototype for init_loop.
1606 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1608 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1611 2006-05-30 Roger Sayle <roger@eyesopen.com>
1613 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1615 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1616 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1618 2006-05-30 Dirk Mueller <dmueller@suse.de>
1621 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1622 for CONSTANT_CLASS_P expresisons.
1624 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1627 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1629 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1631 PR tree-optimization/27779
1632 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1633 initial_condition instead of CHREC_LEFT.
1635 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1637 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1638 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1639 Make prototypes ISO C90.
1641 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1642 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1644 * see.c (see_analyze_one_def): Correct check.
1645 (see_get_extension_data): Check if extension is parallel.
1646 (see_get_extension_reg): Likewise.
1648 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1651 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1652 into register for (code == GTU).
1654 2006-05-29 Roger Sayle <roger@eyesopen.com>
1656 PR tree-optimization/24964
1657 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1658 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1659 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1660 abs(x)*abs(x) as x*x for scalar floating point modes.
1662 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1665 * lambda-code.c (perfect_nestify): Don't copy statements
1666 in the inner loop: move them to the inner loop header.
1668 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1671 * c-tree.texi: Document OpenMP directives and clauses.
1673 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1675 * varasm.c (globalize_decl): Fix indentation.
1677 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1680 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1681 pass_fre, pass_store_ccp, pass_copy_prop,
1682 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1683 pass_return_slot, pass_object_size, pass_lim,
1684 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1685 pass_loop_prefetch and pass_stdarg.
1687 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1689 * config/bfin/bfin.opt (mfdpic): New option.
1690 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1691 (EXTRA_MULTILIB_PARTS): Likewise.
1692 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1693 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1695 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1696 (CRT_CALL_STATIC_FUNCTION): New.
1697 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1699 (CRT_CALL_STATIC_FUNCTION): New.
1700 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1702 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1703 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1704 (initialize_trampoline): Changed to handle FD-PIC code generation.
1705 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1706 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1707 (override_options): Disallow -mid-shared-library -mfdpic combination.
1708 Can't do unaligned ops if FD-PIC.
1709 Turn off flag_pic if trying to generate non-id-shared-library
1710 non-fdpic code, since it's not supported.
1711 (bfin_assemble_integer): New function.
1712 (TARGET_ASM_INTEGER): Define.
1713 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1715 * config/bfin/crtn.s: Restore them.
1716 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1718 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1719 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1720 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1721 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1722 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1724 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1725 FDPIC_REGS and FDPIC_FPTR_REGS.
1726 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1727 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1728 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1729 (load_funcdescsi): New pattern.
1730 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1731 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1732 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1734 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1736 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1739 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1741 * tree-flow.h: Remove the prototype for add_type_alias.
1742 * tree-ssa-alias.c (add_type_alias): Remove.
1744 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1746 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1747 config/fr30/fr30.md, config/i386/i386-interix.h,
1748 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1749 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1750 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1751 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1752 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1753 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1754 Follow spelling conventions.
1755 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1756 Follow spelling conventions.
1758 2006-05-27 Richard Guenther <rguenther@suse.de>
1761 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1762 to produce a constant of value 1 of generic type.
1764 2006-05-27 Dirk Mueller <dmueller@suse.de>
1766 * cgraphunit.c (decide_is_function_needed): Fix wrong
1769 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1771 PR rtl-optimization/27661
1772 * reload.c (find_reloads): When reloading a VOIDmode constant
1773 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1774 use Pmode as mode of the reload register.
1776 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1778 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1779 is enabled at -O and above.
1781 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1784 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1787 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1790 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1791 for anonymous variables explicitly declared by front ends.
1793 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1795 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1796 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1797 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1798 ref-all pointers, run a finalization pass for them.
1799 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1800 (finalize_ref_all_pointers): New function.
1801 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1802 regular pointer type to a ref-all pointer type.
1803 (get_tmt_for): Return the special memory tag for ref-all pointers.
1805 2006-05-25 Richard Guenther <rguenther@suse.de>
1808 * fold-const.c (fold_binary): Do not look at the stripped
1809 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1811 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1813 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1814 for LT and GT if the computed range is effectively empty.
1816 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1819 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1820 mips_quad_format formats instead of ieee_single_format,
1821 ieee_double_format and ieee_quad_format formats, respectively.
1823 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1825 PR tree-optimization/27639
1826 PR tree-optimization/26719
1827 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1828 call to scev_probably_wraps_p.
1829 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1830 used_in_pointer_arithmetic_p, convert_step): Removed.
1831 (nowrap_type_p): New function.
1832 (scev_probably_wraps_p): Rewritten.
1833 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1834 chrec_convert if chrec_convert_aggressive might have been used.
1835 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1836 scev_direction): New functions.
1837 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1838 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1839 instead of convert_step.
1840 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1841 (convert_step): Declaration removed.
1842 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1844 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1846 * df-core.c: Added to header comments.
1847 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1848 df_ur_bb_info, df_urec_bb_info): Added comments.
1849 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1850 urec, ri problems): Fixed header comments.
1851 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1852 code from df_rd_transfer_function.
1854 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1856 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1857 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1858 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1860 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1862 * expr.c (undefined_operand_subword_p): New.
1863 (emit_move_multi_word): Do not generate move from undefined bits
1864 of a paradoxical subreg.
1866 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1868 PR rtl-optimization/27736
1869 * combine.c (replaced_rhs_value): New variable.
1870 (combine_instructions): Set it.
1871 (distribute_notes): When distributing a note in replaced_rhs_insn,
1872 check whether the value was used in replaced_rhs_value.
1874 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1877 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1878 add_referenced_var instead of add_referenced_tmp_var.
1879 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1880 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1882 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1883 tree_optimize_tail_calls_1): Use add_referenced_var.
1884 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1885 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1886 Use add_referenced_var.
1887 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1888 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1889 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1890 Use add_referenced_var.
1891 * tree-dfa.c (struct walk_state): Remove.
1892 (find_referenced_vars): Remove walk state and vars_found hash table.
1893 (make_rename_temp): Use add_referenced_var.
1894 (find_vars_r): Pass less parameters to add_referenced_var.
1895 (referenced_var_p): New. Is var in referenced_var hash table.
1896 (referenced_var_insert): Assert var isn't already in hash table.
1897 (add_referenced_var): Don't need walk_state parameter. Add var if it
1898 isn't already in the hash table.
1899 (add_referenced_tmp_var): Remove.
1900 (find_new_referenced_vars_1): Use add_referenced_var.
1901 * tree-ssa-pre.c (create_expression_by_pieces,
1902 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1903 Use add_referenced_var.
1904 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1905 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1906 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1908 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1909 vect_create_data_ref_ptr, vect_create_destination_var,
1910 vect_init_vector, vect_build_loop_niters,
1911 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1912 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1913 Use add_referenced_var.
1914 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1915 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1916 (add_referenced_var): Add prototype.
1917 * tree-ssa-structalias.c (get_constraint_for,
1918 intra_create_variable_infos): Use add_referenced_var.
1920 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1922 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1923 big-endian paradoxical subregs.
1924 * var-tracking.c (struct micro_operation_def): Document that,
1925 for modify micro operations, insn is the subsequent instruction.
1926 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1927 (var_reg_set, var_mem_set): ... new functions.
1928 (add_stores): Record subsequent insn.
1929 (compute_bb_dataflow): Use new functions for MO_USE.
1930 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1931 notes after the insn, and modify notes before the insn known
1932 to be the subsequent one.
1933 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1935 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1938 * config/i386/i386.c (ix86_expand_builtin): Use
1939 gen_sse3_monitor64 for TARGET_64BIT.
1941 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1943 PR rtl-optimization/26375
1944 PR rtl-optimization/26855
1945 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1947 (df_ru_bb_local_compute): Reversed statements and removed bogus
1948 comment explaining why they should be in wrong order.
1949 (df_ru_dump, df_rd_dump): Enhanced debug info.
1950 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1952 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1953 reaching uses and fixed space problem.
1955 2006-05-23 Jan Hubicka <jh@suse.cz>
1957 * cgraphunit.c (decide_is_function_needed): Also nested functions
1958 and functions declared inline can be optimized out at -O0.
1960 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1962 * doc/install.texi (Configuration): Remove reference to CrossGCC
1966 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1969 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1970 ix86_compare_emitted is non-NULL.
1972 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1975 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1978 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1980 PR rtl-optimization/25514
1981 * combine.c (replaced_rhs_insn): New variable.
1982 (combine_instructions): Set replaced_rhs_insn when trying to replace
1983 a SET_SRC with a REG_EQUAL note.
1984 (distribute_notes): Use replaced_rhs_insn when determining the live
1985 range of a REG_DEAD register.
1987 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1988 Anatoly Sokolov <aesok@post.ru>
1990 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1991 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1992 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1993 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1994 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1995 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1996 at90usb647, at90usb1286 and at90usb1287 devices.
1997 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1998 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2000 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2002 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2004 2006-05-22 Richard Guenther <rguenther@suse.de>
2007 2006-01-31 Richard Guenther <rguenther@suse.de>
2008 Paolo Bonzini <bonzini@gnu.org>
2010 * doc/install.texi (--disable-libgcc-math): Document.
2012 2006-05-22 Richard Guenther <rguenther@suse.de>
2015 2006-01-31 Richard Guenther <rguenther@suse.de>
2017 * doc/invoke.texi (-msselibm): Document.
2018 * target.h (expand_library_builtin): New target hook.
2019 * builtins.c (expand_builtin): Use expand_library_builtin.
2020 (default_expand_library_builtin): New function.
2021 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2022 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2023 (link_gcc_math_spec): Declare.
2024 (static_specs): Add link_gcc_math_spec.
2025 * expr.h (default_expand_library_builtin): Declare.
2026 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2027 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2028 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2029 * config/i386/i386.opt (msselibm): New target option.
2030 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2031 (ix86_init_sse_abi_builtins): New function.
2032 (ix86_expand_library_builtin): Likewise.
2033 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2034 (override_options): Handle error conditions wrt -msselibm.
2035 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2036 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2037 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2040 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2043 * c-common.c (self_promoting_args_p): Skip erroneous args.
2046 * c-decl.c (finish_struct): Skip erroneous fields.
2048 2006-05-22 Nick Clifton <nickc@redhat.com>
2050 * config/cris/cris.opt (march): Remove VarExists attribute.
2051 (max-stackframe=): Likewise.
2053 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2055 * doc/rtl.texi: Fix a typo.
2056 * see.c: Fix comment typos.
2058 * tree-ssa-structalias.h (alias_info): Remove num_references.
2060 2006-05-21 Mike Stump <mrs@apple.com>
2062 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2064 (darwin_pragma_options): Use BAD instead.
2065 (darwin_pragma_unused): Likewise.
2066 (darwin_pragma_ms_struct): Likewise.
2068 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2070 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2072 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2074 PR rtl-optimization/27671
2075 * simplify-rtx.c (simplify_relational_operation_1): Fix
2076 simplifications of (eq/ne (xor x y) y) and
2077 (eq/ne (xor x y) x).
2079 PR tree-optimization/26622.
2080 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2083 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2085 * tree-cfg.c: Prune whitespace.
2086 (debug_tree_cfg): Point to correct header containing the
2089 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2092 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2094 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2097 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2098 or sorry count is non zero.
2100 2006-05-20 Andreas Schwab <schwab@suse.de>
2102 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2104 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2105 Kenneth Zadeck <zadeck@naturalbridge.com>
2107 PR rtl-optimization/26855
2109 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2111 (df_scan_alloc): Added code to properly handle multiword hard
2112 registers and add all_blocks parameter.
2113 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2114 code to properly handle multiword hard registers.
2115 (df_rescan_blocks): Added code to remove deleted blocks from
2117 (df_ref_create_structure, df_ref_record): Added code to properly
2119 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2120 and set DF_REF_PARTIAL.
2121 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2122 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2123 (df_scan_add_problem): Added flags parameter.
2124 (df_ref_create_structure): Changed switching structure.
2125 (df_bb_refs_record): Fixed case where duplicate artificial refs
2126 were created. Changed location of flags.
2127 (df_record_entry_block_defs): Added code to make stack pointer
2128 live in entry block. Refined cases where frame pointer is needed.
2129 Changed location of flags.
2130 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2131 (df_set_state): Removed function.
2132 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2133 df_insn_create_insn_record, df_insn_refs_delete,
2134 df_ref_create_structure): Formatting changes.
2135 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2136 df_delete_basic_block): New function.
2137 (df_init): Changed location of flags.
2138 (df_add_problem): Added flags parameter and the way flags are
2140 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2141 debug_df_chain): Improved debugging output.
2142 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2143 (df_refs_chain_dump): Removed df parameter.
2144 (df_iterative_dataflow): Added consistency check.
2145 (df_prune_to_subcfg): Made public.
2146 (df_analyze_problem): Added blocks_to_init parameter and made
2148 (df_ref_record, df_bb_refs_record, df_mark_reg,
2149 df_record_exit_block_uses): Whitespace changes.
2150 (df_dump): Whitespace changes.
2151 * df.h: Some reordering to remove forward references.
2152 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2153 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2154 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2155 (dataflow.flags): New field.
2156 (df.flag): Deleted field.
2157 (df_alloc_function): Added additional bitmap parameter.
2158 (df_dependent_problem_function): New type.
2159 (df_problem.changeable_flags): New field.
2160 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2161 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2162 (df_mw_hardreg): New struct.
2163 (DF_INSN_UID_MWS): New macro.
2164 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2166 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2167 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2168 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2169 (df_set_state): Removed function.
2170 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2171 * df-problems.c (df_chain_dump): Removed df parameter.
2172 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2173 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2175 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2176 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2177 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2178 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2179 DF_REF_MUST_CLOBBER cases.
2180 (df_ru_bb_local_compute_process_def,
2181 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2182 df_lr_bb_local_compute, df_ur_bb_local_compute,
2183 df_chain_create_bb): Made subreg aware.
2184 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2185 df_lr_bb_local_compute, df_lr_bb_local_compute,
2186 df_chain_create_bb): Cleanup to use proper macros.
2187 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2188 code to fixup bitvectors.
2189 (df_ri_alloc): Cleared lifetime.
2190 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2191 df_create_unused_note): New function.
2192 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2193 REG_DEAD and REG_UNUSED notes as well as register information.
2194 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2195 df_chains_dump): Fixed crash if problem was never run.
2196 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2197 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2198 df_ri_add_problem): Processes flags in uniform manner.
2199 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2200 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2201 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2202 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2203 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2204 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2205 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2206 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2207 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2208 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2209 * see.c (see_initialize_data): Ditto.
2210 * final.c (rest_of_clean_state) Added regstack_completed.
2211 * rtl.h (regstack_completed): Ditto.
2212 * reg-stack.c (regstack_completed): Ditto.
2214 2006-05-19 Mike Stump <mrs@apple.com>
2216 * c-tree.h (default_conversion): Remove.
2217 * c-common.h (default_conversion): Add.
2219 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2221 * tree-vrp.c (valid_value_p): New function.
2222 (adjust_range_with_scev): Fail if the value of bound is not
2225 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2227 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2228 (mips_fallback_frame_state): Use syscall numbers to determine
2229 the appropriate li instruction for the current ABI. Only use
2230 __NR_sigreturn for o32.
2232 2006-05-19 Nicolas Setton <setton@adacore.com>
2234 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2235 * langhooks.c (lhd_dwarf_name): New function.
2236 * langhooks-def.h (lhd_dwarf_name): Declare.
2237 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2238 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2239 * ada/misc.c (gnat_dwarf_name): New function.
2240 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2242 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2244 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2246 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2247 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2248 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2249 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2250 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2251 determine the size of Wtype, etc.
2252 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2253 (swfloatfuncs): New variable.
2254 (dwfloatfuncs): Likewise.
2255 (lib2funcs): Remove floating-point conversion functions from
2256 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2257 the set of conversion routines needed. Allow entries to specify
2258 an object name, filename and word size. Update users accordingly.
2259 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2260 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2264 2006-02-08 Roger Sayle <roger@eyesopen.com>
2267 * config/fixtfdi.c: New libgcc source file.
2268 * config/fixunstfdi.c: New source file.
2269 * config/floatditf.c: New source file.
2270 * config/floatunditf.c: New souce file.
2271 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2272 files above instead of config/mips/_tilib.c.
2273 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2275 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2277 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2278 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2280 2006-05-18 Mike Stump <mrs@apple.com>
2282 Fix up vla, vm and [*] sematics.
2288 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2289 (c_vla_unspec_p): Add.
2290 (c_vla_type_p): Add.
2291 * c-decl.c (struct c_scope): Add had_vla_unspec.
2292 (build_array_declarator): Add support for [*].
2293 (grokdeclarator): Likewise.
2294 (grokparms): Likewise.
2295 (get_parm_info): Likewise.
2296 * c-objc-common.c (c_vla_unspec_p): Likewise.
2297 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2298 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2299 typeof when argument is a variably modified type not inside sizeof or alignof.
2300 (c_parser_direct_declarator_inner): Propagate errors.
2301 (c_parser_sizeof_expression): Add support for [*].
2302 (c_parser_parms_declarator): Initialize had_vla_unspec.
2303 (c_parser_parms_list_declarator): Likewise.
2304 * c-typeck.c (c_vla_type_p): Add.
2305 (composite_type): Add support for vla compositing.
2306 (comptypes_internal): Add support for vla compatibility.
2307 (c_expr_sizeof_expr): Evaluate vla arguments.
2308 * tree.c (variably_modified_type_p): Update comment for [*].
2310 2006-05-18 Michael Matz <matz@suse.de>
2313 * config.host: Make assignments to host_xmake_file cumulative.
2314 * config.host (*-darwin*): Test $host, not $target.
2316 2006-05-12 Stuart Hastings <stuart@apple.com>
2318 * config/i386/i386.opt (-mstackrealign): New flag.
2319 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2320 (ix86_handle_cconv_attribute): Emit error when
2321 force_align_arg_pointer attribute collides with too many regparms.
2322 (ix86_function_regparm): Limit regparms when used with
2323 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2324 Support stack-realigning prologue in non-main functions. Emit
2325 warning for nested functions under -mstackrealign, emit error for
2326 nested functions with force_align_arg_pointer attribute.
2327 * doc/extend.texi (force_align_arg_pointer): Document it.
2328 * doc/invoke.texi (-mstackrealign): Document it.
2330 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2332 PR rtl-optimization/27477
2333 * combine.c (try_combine): Don't split a parallel consisting
2334 of two sets into two individual sets if both sets reference
2337 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2339 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2340 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2342 * doc/options.texi (VarExists): Updated.
2344 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2346 * unwind-dw2.c: Add declarations for uw_update_context and
2348 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2349 detected, advance frame state and context once to skip over stub.
2351 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2355 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2356 Call rewrite_into_loop_closed_ssa only when something changed.
2357 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2358 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2359 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2360 Test for perfect_nest_p here. Fix formating.
2361 (replace_uses_equiv_to_x_with_y): Fix formating.
2362 (stmt_uses_op): Removed.
2363 (can_convert_to_perfect_nest): Removed loopivs parameter.
2364 Complete the test by checking the scalar dependences.
2365 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2368 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2371 From Dan Kegel <dank@kegel.com>:
2372 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2374 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2376 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2377 if the element type is variably modified without recursing.
2379 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2382 * tree-loop-linear.c (try_interchange_loops): Test for
2383 no data dependences.
2385 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2387 PR tree-optimization/27548
2388 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2389 range of ssa names that appear on abnormal edges.
2390 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2391 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2393 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2396 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2398 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2401 * tree.h (OMP_PARALLEL_COMBINED): Define.
2402 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2403 (new_omp_context): Add is_combined_parallel argument.
2404 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2405 new_omp_context caller.
2406 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2407 Adjust gimplify_scan_omp_clauses callers.
2408 (omp_is_private): Issue errors if iteration variable is firstprivate
2409 or reduction in the current context.
2410 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2411 on combined parallel workshare constructs.
2413 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2415 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2416 (gcc-options.o): New rule.
2418 * optc-gen.awk: Protect variables for gcc-options.o with
2419 #ifdef GCC_DRIVER/#endif.
2421 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2423 Fix PR tree-optimization/27373
2424 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2425 (forward_propagate_addr_expr): Update call.
2427 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2429 * doc/options.texi: Move the Negative option.
2431 2006-05-16 Richard Guenther <rguenther@suse.de>
2433 PR tree-optimization/22303
2434 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2436 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2437 ccp_fold did not simplify the statement.
2439 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2442 * Makefile.in (GCC_OBJS): New.
2443 (OBJS-common): Add opts-common.o.
2444 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2445 (cpp$(exeext)): Likewise.
2446 (gcc.o): Also depend on opts.h.
2447 (opts-common.o): New.
2449 * common.opt (gcoff): Add Negative(gdwarf-2).
2450 (gdwarf-2): Add Negative(gstabs).
2451 (gstabs): Add Negative(gstabs+).
2452 (gstabs+): Add Negative(gvms).
2453 (gvms): Add Negative(gxcoff).
2454 (gxcoff): Add Negative(gxcoff+).
2455 (gxcoff+): Add Negative(gcoff).
2456 * config/i386/i386.opt (m32): Add Negative(m64).
2457 (m64): Add Negative(m32).
2459 * doc/options.texi: Document the Negative option.
2461 * gcc.c: Include "opts.h".
2462 (main): Call prune_options after expandargv.
2464 * optc-gen.awk: Generate common declarations for all flag
2465 variables in options.c. Output the neg_index field.
2467 * opts.c (find_opt): Moved to ...
2468 * opts-common.c: Here. New file.
2470 * opts.h (cl_option): Add a neg_index field.
2472 (prune_options): Likewise.
2474 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2477 * omp-low.c (expand_omp_parallel): Don't assert
2478 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2479 instead search for it.
2482 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2485 2006-05-16 Andreas Schwab <schwab@suse.de>
2487 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2490 2006-05-15 Roger Sayle <roger@eyesopen.com>
2493 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2494 integer constants other than zero are only legitimate on TARGET_64BIT.
2495 <CONST_VECTOR> Only zero vectors are legitimate.
2496 (ix86_cannot_force_const_mem): Integral and vector constants can
2497 always be put in the constant pool.
2499 2006-05-16 DJ Delorie <dj@redhat.com>
2501 * crtstuff.c (__dso_handle): Set section from
2502 TARGET_LBIGCC_SDATA_SECTION if defined.
2503 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2504 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2506 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2509 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2512 2006-05-16 Ben Elliston <bje@au.ibm.com>
2514 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2516 2006-05-15 Per Bothner <per@bothner.com>
2518 * tree.c: (last_annotated_node): Use source_locus typedef.
2519 This permits bootstrapping with --enable-mapped-location.
2521 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2523 PR tree-optimization/26830
2524 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2525 (info_for_ssa_name, current_info_for_ssa_name_age,
2526 blocks_to_update): New variables.
2527 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2528 (clear_ssa_name_info, initialize_flags_in_bb,
2529 mark_block_for_update): New functions.
2530 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2531 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2532 prepare_def_site_for): Use mark_block_for_update.
2533 (mark_def_interesting): Assert that the processed block is marked in
2534 blocks_to_update. Do not take blocks argument.
2535 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2537 (rewrite_update_init_block, rewrite_update_stmt): Only process
2538 blocks with statements to rewrite.
2539 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2540 (update_ssa): Initialize and free blocks_to_update. Do not
2541 clear flags on statements. Do not use blocks bitmap.
2542 * tree.h (SSA_NAME_AUX): Removed.
2543 (struct tree_ssa_name): Removed aux field.
2544 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2546 2006-05-15 Richard Guenther <rguenther@suse.de>
2548 PR tree-optimization/27603
2549 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2550 Do computations in original type.
2552 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2554 * see.c: Code style changes such as redundant paranthesis,
2555 redundant intialization of local variables etc.
2556 (see_main): Declared now as static.
2557 * doc/invoke.texi: Update that -fsee is not enabled by
2560 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2562 * omp-low.c (check_omp_nesting_restrictions): New function.
2563 (scan_omp_1): Call it.
2566 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2567 construct, return *VAR.
2569 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2571 PR rtl-optimization/27406
2572 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2575 2006-05-14 Roger Sayle <roger@eyesopen.com>
2577 PR rtl-optimization/27538
2578 * combine.c (expand_compound_operation): Call gen_lowpart
2579 before calling simplify_shift_const.
2581 2006-05-14 Roger Sayle <roger@eyesopen.com>
2583 PR rtl-optimization/22563
2584 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2585 a fixed width bitfield, always force the intermediates into psuedos.
2587 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2590 * mkconfig.sh: Use operator = instead of == for test.
2592 2006-05-13 Nick Clifton <nickc@redhat.com>
2594 * dwarf2out.c (dbx_reg_number): Check return value from
2595 LEAF_REG_REMAP and only use it if it is valid.
2596 (multiple_reg_loc_descriptor): Likewise.
2598 2006-05-13 Richard Guenther <rguenther@suse.de>
2600 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2603 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2605 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2606 information attached to non-INSNs such as NOTEs.
2607 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2609 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2611 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2613 * config/s390/s390.md: Adjust comment describing On constraint.
2615 2006-05-11 Jan Hubicka <jh@suse.cz>
2617 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2618 to be output at -O0.
2620 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2623 * fold-const.c (size_binop): Move sanity check for arguments to
2624 the beginning of the function.
2627 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2630 2006-05-11 Richard Guenther <rguenther@suse.de>
2633 * fold-const.c (fold_unary): Handle intermediate conversion
2634 to a pointer type like intermediate conversion to an integer
2635 type in folding of (T1)(T2)var to var.
2636 Match the code to the comment in the final conversion for
2637 (T1)(T2)var to (T1)var regarding to type precision. Rather
2638 than disallow T1 being of pointer type, assert that both T1
2639 and var are of pointer type or not. Make sure not to fall
2640 over the frontends lazyness wrt array to pointer decay though.
2642 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2644 * arm.c (arm_struct_value_rtx): Delete.
2645 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2646 (arm_init_cumulative_args): Always initialize nregs to zero.
2648 2006-05-10 Richard Guenther <rguenther@suse.de>
2650 PR tree-optimization/27532
2651 * tree-object-size.c (plus_expr_object_size): Fix typo.
2653 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2656 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2657 ashrdi_const, ashrdi3): Use a scratch register.
2659 2006-05-10 Richard Guenther <rguenther@suse.de>
2661 PR tree-optimization/27302
2662 * fold-const.c (operand_equal_p): For two comparisons,
2663 try comparison of one comparison code swapped if that yields
2666 2006-05-10 Ben Elliston <bje@au.ibm.com>
2668 * tree-pretty-print.c (pretty_print_string): No need to handle
2669 '\0' as a special character.
2671 * tree.h: Include "hashtab.h".
2672 (iterative_hash_expr): Use hashval_t in its prototype.
2673 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2675 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2678 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2679 (hppa*64*-*-hpux11*): Ditto.
2680 (hppa[12]*-*-hpux11*): Ditto.
2682 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2685 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2687 2006-05-09 Michael Matz <matz@suse.de>
2689 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2690 host_extra_gcc_objs and host_xmake_file.
2691 (<*-*-linux*>): Don't overwrite host_xmake_file.
2692 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2693 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2694 (host_detect_local_cpu): Declare.
2695 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2696 * config/i386/i386.c (override_options): Handle -mtune=native
2698 * config/i386/x-i386: New file.
2699 * config/i386/driver-i386.c: New file.
2700 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2703 2006-05-09 Dirk Mueller <dmueller@suse.de>
2704 Richard Guenther <rguenther@suse.de>
2707 * fold-const.c (fold_read_from_constant_string): Relax check
2708 for matching types to matching modes.
2710 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2712 PR rtl-optimization/27335
2713 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2716 2006-05-08 Chao-ying Fu <fu@mips.com>
2717 Richard Sandiford <richard@codesourcery.com>
2719 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2720 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2721 * config/mips/mips.md (UNSPEC_SCC): New constant.
2722 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2723 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2724 (mips_emit_compare): Use it.
2725 (mips_expand_vcondv2sf): New function.
2727 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2729 Fix PR tree-optimization/27093
2730 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2731 renaming when they become not-used_alone.
2733 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2735 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2736 relocation and relocation stubs.
2738 2006-05-08 Eric Christopher <echristo@apple.com>
2740 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2743 2006-05-08 Jan Hubicka <jh@suse.cz>
2746 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2747 unused static functions are needed.
2749 2006-05-08 Roger Sayle <roger@eyesopen.com>
2752 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2753 of a reg_equiv_constant if the result is a legitimate constant.
2755 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2758 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2759 standard 80387 constants, raise the cost to prevent
2760 compress_float_constant() to generate load from memory.
2762 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2764 * config/arm/constraints.md (c): Fix a typo.
2766 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2769 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2772 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2774 (_mm_mwait): Likewise.
2776 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2778 (sse3_monitor): Make it 32bit only.
2779 (sse3_monitor64): New. 64bit monitor.
2781 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2784 * config/i386/i386.c (classify_argument): Skip fields with invalid
2787 2006-05-07 Richard Guenther <rguenther@suse.de>
2789 PR tree-optimization/27409
2790 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2791 Do not try to find zero-sized subvars.
2793 2006-05-07 Richard Guenther <rguenther@suse.de>
2795 PR tree-optimization/27136
2796 * tree-ssa-loop-niter.c (get_val_for): Correct function
2797 comment, assert requirements.
2798 (loop_niter_by_eval): Stop processing if the iterated
2799 value did not simplify.
2801 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2803 * opts.c (flag_see): remove its setting at -O3.
2805 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2807 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2808 * arm/constraints.md: New file.
2809 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2810 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2811 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2812 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2813 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2814 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2815 * arm.md: Include constraints.md.
2816 (thumb_movsi_insn): Use satisfies_constraint_J.
2817 (movhi, movqi): Use satisfies_constraint_I.
2819 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2821 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2822 for atmeg a645 device.
2824 2006-05-06 Richard Guenther <rguenther@suse.de>
2826 PR tree-optimization/27151
2827 * tree-vect-transform.c (vectorizable_condition): Punt on
2828 values that have a different type than the condition.
2830 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2833 * c-parser.c (c_parser_cast_expression): Only insert casts into
2834 hash table if pointer.
2835 * function.c (used_types_insert_helper): Rename from
2837 (used_types_insert): Call used_types_insert_helper.
2838 * function.h (used_types_insert): Accept only one argument.
2840 2006-05-05 David Edelsohn <edesohn@gnu.org>
2842 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2843 scratch with output modifier.
2845 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2848 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2849 with output modifier.
2851 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2854 * config/mips/mips.c (mips_symbolic_address_p): Return true
2855 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2856 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2858 2006-05-04 Richard Guenther <rguenther@suse.de>
2860 PR tree-optimization/14287
2861 PR tree-optimization/14844
2862 PR tree-optimization/19792
2863 PR tree-optimization/21608
2864 PR tree-optimization/27090
2865 * tree-ssa-pre.c (try_combine_conversion): New function.
2866 (compute_avail): After constructing the value-handle
2867 expression, use try_combine_conversion to combine NOP_EXPRs
2868 with previous value-handle expressions and use the result if it
2871 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2873 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2875 2006-05-04 Jan Hubicka <jh@suse.cz>
2878 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2880 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2882 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2883 that this only matches CONST_INTs. All users changed to VOIDmode
2886 * config/bfin/bfin.c: Include "optabs.h".
2887 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2889 (enum bfin_builtins): Add a number of fractional and vector builtins.
2890 (bfin_init_builtins): Likewise.
2891 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2892 (safe_vector_operand, bfin_expand_binop_builtin,
2893 bfin_expand_unop_builtin): New functions.
2894 (bfin_expand_builtin): Handle the new builtins.
2895 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2898 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2901 * Makefile.in (OBJS-common): Add see.o.
2902 (see.o): Add dependencies.
2903 * common.opt (fsee): New flag for the see optimization was added.
2904 * opts.c (flag_see): Initialized.
2905 * passes.c (init_optimization_passes, pass_see): New pass.
2906 * rtl.h (see_main): Declaration as extern.
2907 * timevar.def (TV_SEE): New.
2908 * tree-pass.h (pass_see): Declaration as extern.
2909 * invoke.texi (-fsee): Document.
2910 * recog.c (validate_simplify_insn): New function.
2911 * recog.h (validate_simplify_insn): Declaration as extern.
2912 * df-problems.c (df_chain_dump): Check for NULL.
2914 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2915 Daniel Berlin <dberlin@dberlin.org>
2917 * cfgrtl.c (insert_insn_bb_end_new): New function.
2918 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2920 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2922 * df.h (struct web_entry): Moved from web.c.
2923 (union_defs): Declaration as extern.
2924 (unionfind_root): Likewise.
2925 (unionfind_union): Likewise.
2926 * web.c (struct web_entry): Moved to df.h.
2927 (unionfind_root): Remove static declaration.
2928 (unionfind_union): Likewise.
2929 (union_defs): Likewise and generalize to use callback function.
2930 (web_main): Update arguments for union_defs function call.
2932 2006-05-04 Richard Guenther <rguenther@suse.de>
2934 PR tree-optimization/26447
2935 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2936 produce SSA_NAME copies before the store stmt to avoid
2937 breaking exception handling.
2939 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2942 * gimplify.c (omp_is_private): If var is shared in some outer context,
2943 return false instead of true. Stop searching on parallel context
2946 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2949 * coverage.c: Use get_gcov_unsigned_t() instead of
2950 unsigned_type_node all over.
2952 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2954 PR tree-optimization/27381
2955 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2956 maintain the same immediate_use links.
2957 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2958 node rather than segfaulting.
2960 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2963 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2964 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2965 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2967 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2969 Fix PR tree-optimization/26626
2970 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2972 * tree-ssa-operands.c (access_can_touch_variable): Allow
2973 typecasting through union pointers.
2975 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2978 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2979 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2980 to find if var will be a global variable even in the nested context.
2981 (omp_copy_decl): Only check for global variable at the end, it might
2982 be overridden in outer contexts.
2983 (scan_sharing_clauses): For global variables don't create a field.
2984 (lower_rec_input_clauses): Do nothing for global shared variables.
2985 Emit a barrier at the end of ILIST if there were any decls in both
2986 firstprivate and lastprivate clauses.
2987 (lower_send_clauses): Do nothing for global variables except for
2990 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2992 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2993 of the correct signedness is returned.
2995 2006-05-02 Jeff Law <law@redhat.com>
2997 PR tree-optimization/27364
2998 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2999 multiply expressions.
3001 2006-05-02 Tom Tromey <tromey@redhat.com>
3003 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3005 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3008 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3009 -mthumb -fPIC are used.
3011 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3012 Joshua Kinard <kumba@gentoo.org>
3015 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3016 with 64-bit pointers.
3018 2006-05-02 Paul Brook <paul@codesourcery.com>
3020 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3022 (create_fix_barrier): Check that a suitable barrier location is
3024 (arm_reorg): Include ftmp->address in allowable range of addresses.
3026 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3029 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3032 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3035 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3036 around RESULT_DECL for result passed by reference.
3037 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3038 * omp-low.c (use_pointer_for_field): Don't look at
3039 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3040 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3041 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3042 time or var for passing by reference for
3043 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3044 TREE_ADDRESSABLE variables when passing by reference.
3046 * omp-low.c (dump_omp_region): Fix output formatting.
3049 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3050 (expand_omp_parallel): Likewise.
3051 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3054 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3055 on statement list containing also constructors and destructors.
3056 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3059 * except.c (duplicate_eh_regions): Fix clearing of
3060 cfun->eh->region_array entries.
3062 2006-05-01 DJ Delorie <dj@redhat.com>
3064 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3066 (gcc_cv_objdump): Likewise.
3067 * configure: Regenerated.
3069 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3072 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3073 templates for case 3 and 4.
3075 2006-05-01 DJ Delorie <dj@redhat.com>
3077 * vec.c: Include bconfig.h when appropriate.
3078 * Makefile.in (build/vec.o): Adjust dependencies.
3079 * mkconfig.sh: Make sure config.h isn't used for build machine
3082 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3084 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3086 (mark_phi_for_rewrite): New function.
3087 (insert_phi_nodes_for, mark_use_interesting): Call
3088 mark_phi_for_rewrite.
3089 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3090 (update_ssa): Initialize and free phis_to_rewrite.
3092 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3094 PR rtl-optimization/27291
3095 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3096 folded to a constant.
3098 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3100 PR tree-optimization/27283
3101 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3102 not whole # of iteration descriptions.
3103 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3104 uses abnormal ssa name.
3105 (niter_for_single_dom_exit): Ditto.
3106 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3107 return just the number of iterations.
3109 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3111 PR tree-optimization/27144
3112 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3113 (record_estimate): Only record constant upper bound.
3114 (infer_loop_bounds_from_undefined): Call
3115 compute_estimated_nb_iterations just once.
3116 (proved_non_wrapping_p): Renamed to ...
3117 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3118 (convert_step_widening, scev_probably_wraps_p): Call
3119 n_of_executions_at_most instead of proved_non_wrapping_p.
3120 (substitute_in_loop_info): Do not replace values in bounds.
3121 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3124 2006-05-01 Richard Henderson <rth@redhat.com>
3127 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3128 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3131 2006-05-01 Roger Sayle <roger@eyesopen.com>
3133 * c-typeck.c (parser_build_binary_op): Don't call the function
3134 unsigned_conversion_warning to spot operand/result type overflow.
3135 (build_binary_op): Instead, call convert_and_check instead of
3136 convert to report the problem when the operands are promoted.
3137 * c-common.c (unsigned_conversion_warning): Make static.
3138 * c-common.h (unsigned_conversion_warning): Delete prototype.
3140 2006-05-01 Richard Guenther <rguenther@suse.de>
3142 PR tree-optimization/26726
3143 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3145 (find_interesting_uses_address): ... we work around here
3146 by folding INDIRECT_REFs in the substituted base.
3148 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3150 * omp-low.c (dump_omp_region): Add newlines.
3152 2006-04-30 Roger Sayle <roger@eyesopen.com>
3154 * common.opt (Woverflow): New command line option.
3155 * c-common.c (constant_expression_warning): Check warn_overflow.
3156 (overflow_waring): Pass OPT_Woverflow to warning.
3157 (unsigned_conversion_warning): Likewise.
3158 (convert_and_check): Likewise.
3159 * doc/invoke.texi: Document new command line option.
3161 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3163 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3164 TARGET_NO_FP_IN_TOC for section anchors.
3165 (optimization_options): Enable section anchors for all
3166 non-"Objective" languages.
3168 2006-04-28 Eric Christopher <echristo@apple.com>
3170 * config/darwin-c.c (darwin_ms_struct): Move this
3171 (darwin_set_default_type_attributes): and this...
3172 * config/darwin.c: ... here.
3173 * config/darwin.h (darwin_ms_struct): Declare.
3175 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3177 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3179 2006-04-28 Roger Sayle <roger@eyesopen.com>
3182 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3183 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3184 an unsigned HOST_WIDE_INT.
3185 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3187 (really_start_incremental_init): No need to call convert because
3188 bitsize_zero_node is already of type bitsizetype.
3189 (push_init_level): Extract the value of constructor_index as an
3190 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3191 (process_init_element): Likewise.
3193 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3195 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3196 value before passing to make_relative_prefix.
3198 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3201 * builtins.c (expand_builtin_memset): Expand val in original mode.
3203 2006-04-27 Eric Christopher <echristo@apple.com>
3205 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3206 with #ifndef/#endif.
3207 * config/darwin-c.c (darwin_ms_struct): New.
3208 (darwin_pragma_ms_struct): Ditto.
3209 (darwin_set_default_type_attributes): Ditto.
3210 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3211 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3212 Register ms_struct pragma.
3213 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3214 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3215 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3216 darwin_set_default_type_attributes if TARGET_MACHO.
3218 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3220 PR tree-optimization/26854
3221 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3222 * doc/tree-ssa.texi: Update immuse iterator documentation.
3223 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3224 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3225 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3226 first_safe_imm_use, next_safe_imm_use): Remove.
3227 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3228 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3229 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3230 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3231 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3232 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3233 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3234 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3235 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3236 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3237 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3238 (perfect_nestify): Use new iterator.
3239 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3241 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3242 (next_imm_name): New field in struct immediate_use_iterator_d.
3243 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3244 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3245 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3246 * tree-cfg.c (replace_uses_by): Use new iterator.
3247 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3248 * tree-ssa-operands.c (correct_use_link): Remove.
3249 (finalize_ssa_use_ops): No longer call correct_use_link.
3251 2006-04-27 Stuart Hastings <stuart@apple.com>
3253 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3254 * config/t-darwin (crt3.o): Use it.
3255 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3256 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3257 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3258 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3259 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3262 2006-04-27 Roger Sayle <roger@eyesopen.com>
3264 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3265 size, force the intermediate into a new pseudo rather instead of
3266 performing both a bitwise AND and a bitwise IOR in memory.
3268 2006-04-27 Richard Guenther <rguenther@suse.de>
3270 PR rtl-optimization/26685
3271 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3272 this one "max-flow-memory-locations".
3274 2006-04-27 Richard Guenther <rguenther@suse.de>
3276 PR tree-optimization/25148
3277 * tree-vrp.c (compare_values): Remove code dealing with
3278 comparisons against type min/max value. Honour overflow
3279 and negative constants in code dealing with comparisons
3280 of plus and minus expressions.
3281 (value_inside_range): Use fold_binary with LE_EXPR and
3282 GE_EXPR rather than compare_values.
3284 2006-04-27 Dirk Mueller <dmueller@suse.de>
3286 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3289 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3291 * basic-block.h (safe_insert_insn_on_edge): Removed.
3292 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3294 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3295 Paolo Bonzini <bonzini@gnu.org>
3298 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3299 (simplify_and_const_int): Same.
3301 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3303 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3305 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3308 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3309 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3310 cgraph_global_info_ready.
3313 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3316 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3317 either decl or init is error_mark_node.
3320 * tree-flow.h (struct omp_region): Add sched_kind.
3321 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3322 instead of extracting omp for data.
3323 (expand_omp_for): Save extracted sched_kind.
3325 2006-04-25 Roger Sayle <roger@eyesopen.com>
3327 * expmed.c (store_bit_field): Also check whether the bitsize is
3328 valid for the machine's "insv" instruction before moving the
3329 target into a pseudo for use with the insv.
3330 * config/i386/predicates.md (const8_operand): New predicate.
3331 * config/i386/i386.md (extv, extzv, insv): Use the new
3332 const8_operand predicate where appropriate.
3334 2006-04-25 DJ Delorie <dj@redhat.com>
3336 * doc/install.texi (Specific): Clarify that this is not a list of
3337 supported hosts or targets.
3339 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3341 PR rtl-optimization/26725
3342 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3343 block's BB_DIRTY flag.
3345 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3347 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3350 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3351 to print an integer.
3353 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3355 * varasm.c (align_variable): New function.
3356 (get_block_for_decl): Apply align_variable to DECL before
3357 calculating section information.
3358 (assemble_variable): Split out alignment computation.
3360 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3362 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3365 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3367 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3368 MODE_PARTIAL_INT mode.
3369 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3370 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3372 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3373 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3375 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3377 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3379 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3380 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3381 MACFLAG_IH): Likewise.
3382 (movstricthi_1): Renamed from "*movstricthi".
3383 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3384 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3385 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3386 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3387 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3388 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3389 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3390 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3391 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3392 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3393 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3394 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3395 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3396 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3397 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3399 * doc/rtl.texi (ss_ashift): Improve wording.
3401 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3403 * dwarf2out.c (verify_marks_clear): New.
3404 (prune_unused_types): Call verify_marks_clear initially, not
3407 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3409 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3410 * doc/rtl.texi: Document them.
3411 * simplify-rtx.c (simplify_unary_operation,
3412 simplify_binary_operation_1): Don't abort when we see them.
3414 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3417 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3418 * configure.ac: Completely disregard languages that are not
3420 * configure: Regenerated.
3422 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3423 Richard Guenther <rguenther@suse.de>
3425 PR tree-optimization/27236
3426 * tree-inline.c (copy_body_r): Make sure to copy
3427 TREE_THIS_VOLATILE flag.
3429 2006-04-24 Richard Guenther <rguenther@suse.de>
3432 * tree-complex.c (update_parameter_components): Don't handle
3433 unused parameters which have no default def.
3435 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3436 Richard Guenther <rguenther@suse.de>
3438 PR tree-optimization/27218
3439 * tree-inline.c (expand_call_inline): Strip useless type
3440 conversions for the return slot address.
3442 2006-04-24 Richard Guenther <rguenther@suse.de>
3444 * cfgloop.h (struct loops): Remove unused field array. Reorder
3446 (LOOP_PREFETCH): Remove.
3448 2006-04-24 Richard Guenther <rguenther@suse.de>
3450 PR tree-optimization/22525
3451 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3452 variable, adjust types of generated expressions.
3454 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3456 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3457 (tree-vect-patterns.o): Likewise.
3459 (cselib.o): Likewise.
3460 (loop-doloop.o): Likewise.
3461 (regclass.o): Likewise.
3462 (reload1.o): Likewise.
3463 (explow.o): Replace target.h with $(TARGET_H).
3464 (ipa-prop.o): Likewise.
3465 (ipa-cp.o): Likewise.
3466 (ipa-inline.o): Likewise.
3467 (reorg.o): Likewise.
3468 (reg-stack.o): Likewise.
3470 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3472 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3474 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3476 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3478 * configure.ac: Completely disregard languages that are not
3480 * configure: Regenerated.
3483 * c-common.h (c_build_bitfield_integer_type): Declare.
3484 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3485 * c-common.c (c_build_bitfield_integer_type): ... here.
3487 2006-04-23 Roger Sayle <roger@eyesopen.com>
3490 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3491 a SImode SUBREG of a floating point register after no_new_pseudos.
3493 2006-04-23 Roger Sayle <roger@eyesopen.com>
3495 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3496 identify potentially eliminable registers to additionally catch
3497 VIRTUAL_INCOMING_ARGS_REGNUM.
3498 (addsi3): Update the conditions on when to use addsi_small_int.
3500 2006-04-23 Roger Sayle <roger@eyesopen.com>
3503 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3504 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3505 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3507 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3509 * fold-const.c (range_predecessor): Use operand_equal_p
3510 as the predicate for equality.
3511 (range_successor): Likewise.
3513 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3516 * config/soft-fp/op-common.h: Fix a typo.
3518 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3521 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3522 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3524 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3526 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3528 * doc/tm.texi: Fix a typo.
3530 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3532 * dwarf2out.c (struct die_struct): Document that die_sib makes
3533 a circular linked list.
3534 (FOR_EACH_CHILD): New.
3535 (reverse_die_lists): Delete.
3536 (reverse_all_dies): Delete.
3537 (add_dwarf_attr): Correct documentation.
3538 (remove_child_with_prev): New.
3539 (remove_child_TAG): Update for change to die_struct, use
3540 remove_child_with_prev.
3541 (add_child_die): Update for change to die_struct.
3542 (splice_child_die): Use remove_child_with_prev and add_child_die.
3543 (print_die): Use FOR_EACH_CHILD.
3544 (die_checksum): Likewise.
3545 (assign_symbol_names): Likewise.
3546 (output_location_lists): Likewise.
3547 (build_abbrev_table): Likewise.
3548 (calc_die_sizes): Likewise.
3549 (mark_dies): Likewise.
3550 (unmark_dies): Likewise.
3551 (unmark_all_dies): Likewise.
3552 (output_die): Likewise.
3553 (prune_unused_types_mark): Likewise.
3554 (prune_unused_types_walk): Likewise.
3555 (same_die_p): Update for change to die_struct.
3556 (break_out_includes): Likewise.
3557 (prune_unused_types_prune): Likewise.
3558 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3559 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3561 (dwarf2out_finish): Don't call reverse_all_dies.
3563 2006-04-21 Eric Christopher <echristo@apple.com>
3565 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3566 in comments and function names.
3568 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3571 * c-typeck.c (digest_init): Robustify.
3573 * c-typeck.c (pop_init_level): Simplify.
3575 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3577 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3579 2006-04-21 Paul Brook <paul@codesourcery.com>
3581 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3582 hardware floating point.
3584 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3586 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3589 2006-04-21 Nick Clifton <nickc@redhat.com>
3591 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3594 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3597 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3598 C++ lang type in traceback table for Objective-C++.
3600 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3602 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3604 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3606 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3609 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3610 were errors. Remove check for erroneous objects.
3612 2006-04-20 Jeff Law <law@redhat.com>
3614 PR tree-optimization/26854
3615 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3616 checking for zero or one use.
3617 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3618 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3619 * tree-ssa-reassoc.c (negate_value): Similarly.
3620 (reassociate_bb): Similarly.
3622 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3624 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3625 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3626 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3628 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3630 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3631 fp regs if the last fp arg doesn't fit in regs.
3633 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3636 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3637 that the last insn has the REG_INC note.
3639 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3640 Nathan Sidwell <nathan@codesourcery.com>
3643 * stor-layout.c (update_alignment_for_field): Do not align
3645 (place_union_field): Place union field at the start of the union.
3646 (place_field): Move ERROR_MARK check later, and use the current
3647 allocation position to maintain monotonicity.
3649 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3651 * dominance.c: Include timevar.h.
3652 (calculate_dominance_info): Use TV_DOMINANCE.
3653 * timevar.def (TV_DOMINANCE): New timevar.
3654 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3656 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3658 PR rtl-optimization/14261
3659 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3660 move would be an INSV insn.
3661 (noce_process_if_block): Don't optimize if the destination is a
3662 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3664 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3666 * config/s390/s390.md: Add comments with the instructions emitted
3667 by an insn pattern if macros are used.
3669 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3671 PR rtl-optimization/26026
3672 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3673 is a known power of two shifted left a variable amount.
3675 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3677 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3678 to hash table twice when the debug_str section has SECTION_MERGE.
3680 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3682 * config/soft-fp: New directory. From glibc.
3683 * config/soft-fp/t-softfp: New.
3684 * config/soft-fp/README: New.
3685 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3686 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3687 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3688 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3689 * config.gcc: Use rs6000/t-fprules-fpbit or
3690 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3692 * config/rs6000/sfp-machine.h: New. Based on glibc.
3693 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3695 * config/rs6000/t-fprules: Remove fp-bit rules.
3696 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3697 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3698 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3699 (softfp_wrap_start, softfp_wrap_end): New.
3701 2006-04-18 DJ Delorie <dj@redhat.com>
3703 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3705 2006-04-18 Devang Patel <dpatel@apple.com>
3707 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3709 2006-04-18 Nick Clifton <nickc@redhat.com>
3711 * config/sh/t-symbian: Add rule to build sh-c.o
3712 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3713 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3714 (sh_symbian_encode_section_info): Likewise.
3716 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3718 * builtins.c (expand_builtin_strcmp): Cover label definition of
3719 do_libcall with HAVE_cmpstrnsi.
3721 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3723 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3725 * function.h (temp_slot_p): New.
3726 (function): Change the type of x_used_temp_slots to
3727 VEC(temp_slot_p,gc) *.
3729 2006-04-18 Nick Clifton <nickc@redhat.com>
3731 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3732 flag_strength_reduce.
3734 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3736 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3740 Partial revert of revision 112637
3741 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3742 Dale Johannesen <dalej@apple.com>
3745 * regclass.c (struct reg_pref): Update documentation.
3746 (regclass): Set prefclass to NO_REGS if memory is the best option.
3747 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3749 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3751 PR tree-optimization/26821
3752 * tree-ssa-math-opts.c (get_constant_one): New.
3753 (insert_reciprocals): Use it.
3755 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3757 * dwarf2out.c (free_AT): Delete.
3758 (remove_AT): Update string ref counts.
3759 (remove_child_TAG): Don't call free_die.
3761 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3762 or DW_TAG_GNU_EINCL.
3763 (prune_unused_types_walk_attribs): Reset string refcounts.
3764 (prune_unused_types_update_strings): New.
3765 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3766 call free_die. Do call prune_unused_types_update_strings.
3767 (prune_unused_types): Empty debug_str_hash.
3769 2006-04-17 Roger Sayle <roger@eyesopen.com>
3771 * expr.c (expand_assignment): Optimize away no-op moves where the
3772 source and destination are equal and have no side-effects.
3774 2006-04-17 Richard Guenther <rguenther@suse.de>
3777 * reload.c (push_reload): Guard calls to get_secondary_mem
3780 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3782 * alias.c (reg_base_value, old_reg_base_value): Change the
3783 type to VEC(rtx,gc) *.
3784 (REG_BASE_VALUE, find_base_value, record_set,
3785 init_alias_analysis): Use VEC instead of VARRAY.
3787 * alias.c (alias_sets): Change the type to
3788 VEC(alias_set_entry,gc) *.
3789 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3790 VEC instead of VARRAY.
3791 (last_alias_set): Remove.
3793 * cgraph.h (cgraph_edge_p): New.
3794 Update the prototype of cgraph_function_versioning.
3795 * cgraphunit.c (cgraph_copy_node_for_versioning,
3796 cgraph_function_versioning): Use VEC instead of VARRAY.
3797 * ipa-cp.c (ipcp_insert_stage): Likewise.
3799 2006-04-16 Roger Sayle <roger@eyesopen.com>
3802 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3803 "A op B" or "A op C", we may need to convert A to the type of B and C.
3805 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3807 * target.h (struct gcc_target): Add mode_rep_extended.
3808 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3809 (init_num_sign_bit_copies_in_rep): Initialize it using
3811 (truncate_to_mode): Use it.
3812 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3813 * targhooks.h (default_mode_rep_extended): Declare it.
3814 * targhooks.c (default_mode_rep_extended): Define it.
3815 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3816 default_mode_rep_extended.
3817 (TARGET_INITIALIZER): Include it.
3818 * doc/tm.texi (Misc): Document it.
3819 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3820 (mips_truncated_to_mode): New function.
3822 2006-04-16 Roger Sayle <roger@eyesopen.com>
3825 * expr.c (compress_float_constant): Copy the narrow constant into
3826 a new pseudo before extending it to its final width.
3828 2006-04-16 Roger Sayle <roger@eyesopen.com>
3829 Andrew Pinski <pinskia@gcc.gnu.org>
3830 Dale Johannesen <dalej@apple.com>
3833 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3834 special case code to implement V8HImode and V16QImode with SSE2.
3836 2006-04-15 Roger Sayle <roger@eyesopen.com>
3838 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3839 trees are constructed with a suitable tree type.
3841 2006-04-15 Roger Sayle <roger@eyesopen.com>
3843 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3844 (integer_onep): Likewise.
3845 (integer_all_onesp): Likewise.
3846 (integer_pow2p): Likewise.
3847 (integer_nonzerop): Likewise.
3848 (real_zerop): Likewise.
3849 (real_onep): Likewise.
3850 (real_twop): Likewise.
3851 (real_minus_onep): Likewise.
3852 (int_size_in_bytes): Likewise.
3853 (host_integerp): Likewise.
3855 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3857 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3858 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3859 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3861 * tree-ssa-structalias.h (alias_info): Remove num_references.
3863 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3865 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3866 (output_bvb patterns): Likewise.
3867 * pa.c (output_bb): Use 'bb' insn for long branch case.
3868 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3869 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3870 1. Correct length operand for alternatives 1 and 2.
3871 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3872 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3874 2006-04-14 Roger Sayle <roger@eyesopen.com>
3876 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3877 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3878 were accidentally reverted by r112959.
3880 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3883 * except.h (eh_region_outermost): New prototype.
3884 * except.c (eh_region_outermost): New function.
3885 * tree-cfg.c (find_outermost_region_in_block): Use it.
3887 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3889 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3891 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3892 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3893 (init_reload, reload): Use VEC instead of VARRAY.
3894 * reload.h: Update the prototype for
3895 reg_equiv_memory_loc_varray.
3897 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3898 Eric Botcazou <ebotcazou@libertysurf.fr>
3900 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3903 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3906 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3907 to expand fallback builtin function call.
3909 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3912 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3913 and emit libcall here in case the builtin fails.
3914 (expand_builtin_strcmp): Always emit the libcall here on failure.
3916 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3918 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3919 * flow.c (reg_n_info): Change the type to
3920 VEC(reg_info_p,heap) *.
3921 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3923 * regs.h (reg_info_p): New.
3924 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3925 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3926 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3929 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3931 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3933 * params.h (MAX_SCHED_READY_INSNS): New macro.
3934 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3935 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3936 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3937 the ready list for 1 cycle during the first scheduling pass.
3938 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3940 2006-04-13 Richard Henderson <rth@redhat.com>
3943 * gimple-low.c (lower_omp_directive): Remove dead code.
3944 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3945 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3946 * omp-low.c (struct omp_region): Move to tree-flow.h.
3947 (root_omp_region): Export.
3948 (omp_regions, lookup_omp_region): Remove.
3949 (determine_parallel_type): Update for struct omp_region changes.
3950 (dump_omp_region): Dump regions with block numbers.
3951 (new_omp_region): Take type and block instead of stmt; malloc
3953 (free_omp_region_1, free_omp_regions): New.
3954 (expand_parallel_call): Take entry_stmt as argument; update for
3955 changes to omp_region.
3956 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3957 (remove_exit_barriers): New.
3958 (expand_omp_parallel): Update for struct omp_region changes.
3959 (expand_omp_synch): Likewise.
3960 (expand_omp): Likewise.
3961 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3962 (expand_omp_for_static_chunk): Likewise.
3963 (expand_omp_for): Likewise.
3964 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3965 (expand_omp_sections): Similarly, with GOMP_sections_end.
3966 (expand_omp_single): New.
3967 (build_omp_regions_1): Update for OMP_CONTINUE.
3968 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3969 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3970 OMP_SECTIONS_SECTIONS.
3971 (lower_omp_single_simple): Don't emit barrier here.
3972 (lower_omp_single_copy): Likewise.
3973 (lower_omp_single): Fix bindings, and lower to straightline now.
3974 (lower_omp_master, lower_omp_ordered): Likewise.
3975 (lower_omp_critical): Likewise.
3976 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3977 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3978 omp edges, free it afterward.
3979 (make_omp_sections_edges): Remove.
3980 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3981 (move_stmt_r): Handle OMP_CONTINUE.
3982 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3983 statement pointers to basic blocks. Add type member.
3984 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3985 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3986 * tree-inline.c (estimate_num_insns_1): Likewise.
3987 * tree-pretty-print.c (dump_generic_node): Likewise.
3988 * tree-ssa-operands.c (get_expr_operands): Likewise.
3989 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3990 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3991 (OMP_CONTINUE): New.
3992 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3993 (OMP_SECTIONS_SECTIONS): Remove.
3994 (OMP_SECTION_LAST): New.
3995 (OMP_RETURN_NOWAIT): New.
3997 2006-04-13 Roger Sayle <roger@eyesopen.com>
3999 * fold-const.c (native_encode_vector, native_interpret_real):
4000 Correct obvious mistakes in the previous check-in.
4002 2006-04-13 Roger Sayle <roger@eyesopen.com>
4004 * fold-const.c (native_encode_expr): New function to encode
4005 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4006 or VECTOR_CST into a specified buffer.
4007 (native_encode_int): New function.
4008 (native_encode_real): New function.
4009 (native_encode_complex): New function.
4010 (native_encode_vector): New function.
4011 (native_interpret_expr): Inverse of native_encode_expr to convert
4012 a target representation into an INTEGER_CST, REAL_CST etc...
4013 (native_interpret_int): New function.
4014 (native_interpret_real): New function.
4015 (native_interpret_complex): New function.
4016 (native_interpret_vector): New function.
4017 (fold_view_convert_expr): New function to constant fold/evaluate
4018 a VIEW_CONVERT_EXPR of a suitable constant expression.
4019 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4020 Change call of build1 to fold_build1 when constructing a
4023 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4024 Ulrich Weigand <uweigand@de.ibm.com>
4027 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4030 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4033 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4034 optimize to lo_sum for DFmode if !TARGET_FPRS.
4036 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4038 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4039 delete_alias_info, compute_flow_sensitive_aliasing,
4040 group_aliases): Use VEC instead of VARRAY.
4041 * tree-ssa-structalias.c (update_alias_info): Likewise.
4042 * tree-ssa-structalias.h (alias_info): Change the type of
4043 processed_ptrs to VEC(tree,heap) *.
4045 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4048 * config/sh/lib1funcs.h: New file, broken out of:
4049 * config/sh/lib1funcs.asm.
4050 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4052 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4053 * config/sh/lib1funcs-Os-4-200.asm: New file.
4054 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4055 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4056 (EXTRA_MULTILIB_PARTS): Include it.
4057 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4058 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4059 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4060 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4063 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4065 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4066 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4067 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4069 * tree-ssa-live.h: Include vecprim.h.
4070 (tree_partition_associator_d): Change the type of
4071 first_partition to VEC(int,heap) *.
4072 (tpa_first_partition): Use VEC instead of VARRAY.
4074 * Makefile.in (GTFILES): Move functions.h after tree.h.
4075 * function.c (reset_block_changes, record_block_change,
4076 check_block_change, free_block_changes): Use VEC instead of
4078 * function.h (function): Change the type of
4079 ib_boundaries_block to VEC(tree,gc) *.
4080 * tree-inline.c (copy_cfg_body): Initialize
4081 ib_boundaries_block to NULL instead of (varray_type) 0.
4083 2006-04-12 Roger Sayle <roger@eyesopen.com>
4085 * expr.c (emit_group_store): Correct operand order in call to
4086 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4087 a SUBREG_BYTE of zero.
4089 2006-04-12 Richard Guenther <rguenther@suse.de>
4091 * profile.c (compute_branch_probabilities): Remove code
4092 encapsulated in !ir_type (), which are remanents of the
4093 removed RTL profiling code.
4094 * rtl-profile.c: Remove.
4096 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4098 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4099 magic NULL_RTX comment.
4100 (function_arg): Store entire fp arg to mem if any part should go
4102 (rs6000_arg_partial_bytes): Adjust for above change.
4104 2006-04-11 Roger Sayle <roger@eyesopen.com>
4106 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4107 if it hasn't been initialized by dwarf2out_init.
4109 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4111 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4112 symbolic constants in branch patterns.
4114 2006-04-11 Roger Sayle <roger@eyesopen.com>
4116 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4118 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4120 PR rtl-optimization/27073
4121 * gcse.c (try_replace_reg): Revert last change. Continue to search
4122 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4125 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4127 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4128 aggregate types other than record and union types.
4129 (function_arg): Likewise.
4130 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4132 (function_value): In 64-bit mode, return objects that require it
4135 2006-04-11 Roger Sayle <roger@eyesopen.com>
4137 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4139 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4141 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4143 2006-04-03 Jeff Law <law@redhat.com>
4146 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4147 alias information too.
4149 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4151 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4153 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4156 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4157 (premark_used_types_helper): New.
4158 (premark_used_types): New.
4159 (gen_subprogram_die): Call premark_used_types.
4160 (prune_unused_types_walk): Do not prune perennial dies.
4161 * function.c (used_types_insert): New.
4162 * function.h (struct function): Add used_types_hash field.
4163 (used_types_insert): Add prototype.
4164 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4165 * c-parser.c (c_parser_cast_expression): Save casted types in used
4168 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4171 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4172 rs6000_explicit_options.float_gprs.
4174 2006-04-10 Roger Sayle <roger@eyesopen.com>
4176 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4177 from ix86_expand_vector_init_low_nonzero. Take an additional
4178 one_var argument indicating which element is non-zero. Support
4179 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4180 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4181 with one_var instead of ix86_expand_vector_init_low_nonzero.
4183 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4185 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4186 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4187 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4188 build/genextract.o): Depend on vecprim.h.
4189 * cfglayout.c, df-problems.c, function.c, genextract.c,
4190 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4191 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4195 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4197 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4198 Declare VECs of this type.
4199 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4200 (remove_children): Delete.
4201 (add_dwarf_attr): Use VEC routines.
4202 (add_AT_flag): Update for changes to add_dwarf_attr.
4203 (add_AT_int): Likewise.
4204 (add_AT_unsigned): Likewise.
4205 (add_AT_long_long): Likewise.
4206 (add_AT_vec): Likewise.
4207 (add_AT_string): Likewise.
4208 (add_AT_die_ref): Likewise.
4209 (add_AT_fde_ref): Likewise.
4210 (add_AT_loc): Likewise.
4211 (add_AT_loc_list): Likewise.
4212 (add_AT_addr): Likewise.
4213 (add_AT_lbl_id): Likewise.
4214 (add_AT_lineptr): Likewise.
4215 (add_AT_macptr): Likewise.
4216 (add_AT_offset): Likewise.
4217 (add_AT_range_list): Likewise.
4218 (get_AT): Use VEC_iterate.
4219 (remove_AT): Use VEC_ordered_remove.
4220 (free_die): Fold remove_children into here; have it use VEC_iterate.
4221 (print_die): Use VEC_iterate on attrs.
4222 (reverse_die_lists): Don't reverse attr lists.
4223 (die_checksum): Use VEC_iterate on attrs.
4224 (same_die_p): Likewise.
4225 (output_location_lists): Likewise.
4226 (build_abbrev_table): Likewise.
4227 (size_of_die): Likewise.
4228 (unmark_all_dies): Likewise.
4229 (output_abbrev_section): Likewise.
4230 (output_die): Likewise.
4231 (prune_unused_types_walk_attribs): Likewise.
4233 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4235 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4237 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4240 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4242 2006-04-09 Roger Sayle <roger@eyesopen.com>
4244 * expr.c (store_constructor): Don't bother clearing target if
4245 we're about to assign a vector to it using vec_init_optab.
4247 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4249 * tree-ssa-alias.c (lhs_may_store_to): New function.
4250 (recalculate_used_alone): Handle LHS of calls.
4252 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4256 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4257 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4258 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4259 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4260 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4261 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4262 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4263 stubs. Add ".align 8" directives before all ".dword" directives.
4264 (GTHREAD_USE_WEAK): Revise comment.
4265 (TARGET_ATTRIBUTE_WEAK): Define.
4266 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4267 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4268 * stublib.c: New file.
4273 * pa.md (cbranch patterns): Revise arguments used in calls to
4274 output_cbranch, output_bb and output_bvd. Add long branch length
4276 (fbranch patterns): Handle long branches.
4277 (jump): Revise length check. Revise arguments for output_lbranch call.
4278 Add long branch length attributes.
4279 (decrement_and_branch_until_zero): Add long branch length attributes.
4280 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4281 Likewise. Revise arguments for output_parallel_addb and
4282 output_parallel_movb calls.
4283 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4284 output_parallel_movb and output_parallel_addb): Update prototypes.
4285 * pa.c (output_cbranch): Revise arguments. Correct handling of
4286 nullification in long branches.
4287 (output_lbranch): Add new argument to control extraction of delay
4289 (output_bb): Handle long branches.
4290 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4291 output_parallel_addb): Likewise.
4293 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4295 PR rtl-optimization/27073
4296 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4299 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4301 * tree.h (tree_memory_tag): Add old_used_alone.
4302 (SMT_OLD_USED_ALONE): New macro.
4303 * tree-ssa-alias.c (recalculate_used_alone): Stop
4304 marking things for renaming unnecessarily.
4306 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4308 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4309 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4310 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4311 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4312 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4313 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4314 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4315 spelling convensions.
4316 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4317 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4318 typos. Follow spelling conventions.
4320 2006-04-07 DJ Delorie <dj@redhat.com>
4322 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4323 passed on the stack.
4324 (m32c_init_cumulative_args): When a function returns a structure,
4325 always pass the pointer to that return area on the stack.
4326 (m32c_function_arg_advance): Don't increment the parameter number
4327 if we're processing the returned structure pointer.
4328 (pushm_info): Reverse order of registers.
4330 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4332 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4333 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4334 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4335 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4337 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4338 chrec_fold_multiply): Same.
4339 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4340 force_expr_to_var_cost): Same.
4341 * tree-mudflap.c (mf_xform_derefs_1): Same.
4342 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4344 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4346 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4347 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4350 2006-04-07 Jan Hubicka <jh@suse.cz>
4352 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4354 2006-04-07 Richard Guenther <rguenther@suse.de>
4356 PR tree-optimization/26135
4357 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4358 loads for store copy-prop.
4359 (copy_prop_visit_stmt): Likewise.
4361 2006-04-05 Robert Millan <robertmh@gnu.org>
4363 * config/i386/linux.h: Add a comment to mark macros that are
4364 being overriden in config/k*bsd-gnu.h.
4365 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4367 * config/knetbsd-gnu.h: Ditto.
4369 2006-04-06 Jan Hubicka <jh@suse.cz>
4373 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4376 2006-04-06 Mike Stump <mrs@apple.com>
4378 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4379 for HAVE_nonlocal_goto to be consistent.
4380 (expand_builtin_nonlocal_goto): Likewise.
4381 (expand_builtin_strcmp): Use #ifdef instead of #if
4382 for HAVE_cmpstrnsi to be consistent.
4384 2006-04-05 DJ Delorie <dj@redhat.com>
4386 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4389 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4391 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4392 got-relative addressing for anything but SImode.
4394 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4395 even if the calling function doesn't modify them.
4397 2006-04-05 Richard Guenther <rguenther@suse.de>
4399 PR tree-optimization/26919
4400 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4401 to cgraph_estimate_size_after_inlining.
4403 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4405 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4407 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4409 PR tree-optimization/26996
4410 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4411 VECTOR_TYPE variables.
4413 2006-04-05 Richard Guenther <rguenther@suse.de>
4415 PR tree-optimization/26763
4416 * fold-const.c (fold_comparison): Move folding of
4417 PTR + CST CMP PTR + CST ...
4418 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4420 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4422 * doc/install.texi (Prerequisites): Refine some wording on
4423 bootstrapping and ksh.
4424 Move the version numbers of DejaGnu here from the testing section
4425 and fix casing of names.
4426 Fix markup and clarify wording for autogen requirements.
4427 Refer to GCJ instead of just java.
4428 Refer to SVN instead of CVS.
4429 Describe diffutils as useful instead of necessary.
4430 (Downloading the source): Refer to SVN instead of CVS.
4431 Adjust a link to our web site accordingly.
4432 (Configuration): Fix casing of Bison.
4433 (Building): Refer to SVN instead of CVS.
4434 Fix a sentence on the use of Bison and remove duplicate (and
4435 incorrect) version number of Bison requirement.
4436 Remove one redundant list of packages needed for building.
4437 (Specific): Avoid reference to CVS.
4439 2006-04-04 Eric Christopher <echristo@apple.com>
4441 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4442 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4443 (rs6000_handle_struct_attribute): New.
4444 (rs6000_ms_bitfield_layout_p): Ditto.
4446 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4448 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4449 NULL for dso parameter to atexit_common.
4451 2006-04-04 Eric Christopher <echristo@apple.com>
4453 * config/i386/i386.c (machopic_output_stub): Output \t
4454 between instructions and operands.
4456 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4458 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4459 satisfies_constraint_[IL] to explicit tests on value.
4461 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4463 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4464 set_nb_iterations_in_loop): Use build_int_cst instead of
4466 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4467 build_int_cst instead of convert.
4469 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4471 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4472 new value 2 for incoming.
4473 * function.c (expand_function_start): Call struct_value_rtx
4475 * config/sparc/sparc.md: Comment updated_return.
4476 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4477 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4478 struct return if sparc_std_struct_return and incoming is 2.
4479 (print_operand): Do not adjust return if
4480 sparc_std_struct_return.
4482 2006-04-04 Roger Sayle <roger@eyesopen.com>
4484 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4485 convert in the middle-end.
4486 * expr.c (store_expr, store_constructor, get_inner_reference,
4487 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4489 * tree.c (build_range_type): Likewise.
4491 2006-04-04 Tom Tromey <tromey@redhat.com>
4493 * doc/install.texi (Prerequisites): Mention jar.
4495 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4497 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4500 2006-04-04 Matthias Klose <doko@debian.org>
4502 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4503 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4506 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4508 * doc/extend.texi (Function Attributes): Rewrite visibility
4509 attribute documentation.
4510 * doc/invoke.texi (C++ Dialect Options): Rewrite
4511 -fvisibility-inlines-hidden documentation to describe something
4512 entirely different, although in practise compatible.
4513 (Code Gen Options): Warn about system headers in -fvisibility=
4516 * doc/extend.texi (Other Builtins): Document that
4517 __builtin_nan is a compile-time constant only when its argument
4520 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4522 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4523 trying to remove TRUNCATE check if all bits outside the new mode
4524 are identical to the sign bit.
4526 2006-04-03 Jeff Law <law@redhat.com>
4528 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4529 and operand scanning in some common cases.
4531 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4532 Dale Johannesen <dalej@apple.com>
4535 * regclass.c (struct reg_pref): Update documentation.
4536 (regclass): Set prefclass to NO_REGS if memory is the best option.
4537 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4538 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4539 into account. For non-registers, equate an empty preferred
4540 reload class to a `!' in the constraint; move the if clause to
4541 do so after those that reject the insn.
4542 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4544 (find_dummy_reload): Likewise.
4545 * doc/tm.texi (Register Classes): Document what it means
4546 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4547 * config/i386/i386.c (ix86_preferred_reload_class): Force
4548 using SSE registers (and return NO_REGS for floating-point
4549 constants) if math is done with SSE.
4550 (ix86_preferred_output_reload_class): New.
4551 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4552 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4553 * config/i386/i386.md: Remove # register preferences.
4555 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4558 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4559 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4560 the type of nb_iter.
4561 (instantiate_parameters_1): Convert the operands before calling
4562 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4563 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4565 2006-04-02 Roger Sayle <roger@eyesopen.com>
4567 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4568 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4570 * dojump.c (do_jump): Likewise.
4571 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4572 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4573 gimplify_boolean_expr): Likewise.
4574 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4575 * varasm.c (array_size_for_constructor): Likewise.
4576 * tree-object-size.c (compute_object_offset): Likewise.
4578 2006-04-02 Roger Sayle <roger@eyesopen.com>
4581 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4582 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4584 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4586 PR tree-optimization/26939
4587 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4589 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4591 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4592 at_stmt. Convert the type of operands before calling
4593 build_polynomial_chrec.
4594 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4596 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4597 (instantiate_parameters_1): Convert the type of operands before calling
4598 build_polynomial_chrec.
4599 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4600 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4601 reset_evolution_in_loop): Insert asserts to check the types of the
4603 (chrec_type): Moved...
4604 (eq_evolutions_p): Use operand_equal_p.
4605 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4606 the types of the operands.
4607 (chrec_type): ...here.
4608 * tree-data-ref.c (create_data_ref): Convert the operands before
4609 calling chrec_replace_initial_condition.
4610 (same_access_functions, analyze_subscript_affine_affine,
4611 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4612 (compute_subscript_distance, analyze_ziv_subscript,
4613 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4614 analyze_miv_subscript): Convert the operands before calling
4615 chrec_fold_minus or chrec_fold_plus.
4617 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4619 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4620 the dependence_relations vector.
4621 (compute_data_dependences_for_loop): Adjust call to
4622 compute_all_dependences.
4624 2006-04-01 Roger Sayle <roger@eyesopen.com>
4625 Richard Henderson <rth@redhat.com>
4627 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4628 gimple_boolify on the condition before calling gimplify_expr.
4630 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4632 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4633 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4634 the frame size. Update to use the new macros.
4635 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4636 * config/xtensa/ieee754-df.S: Likewise.
4638 2006-03-31 Richard Henderson <rth@redhat.com>
4640 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4641 (make_edges): ... here. Control fallthru creation with a local
4642 variable. Do not play with fake edges.
4643 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4644 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4647 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4649 * dwarf2.h (DW64_CIE_ID): Define.
4650 * dwarf2out.c (DWARF_CIE_ID): Define.
4651 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4652 length header. Use DWARF_CIE_ID.
4653 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4654 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4656 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4658 * config/sh/linux-atomic.asm: New file.
4659 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4661 2006-03-31 DJ Delorie <dj@redhat.com>
4663 * config/m32c/cond.md: Set condition flags properly throughout.
4664 * config/m32c/minmax.md: Likewise.
4665 * config/m32c/prologue.md: Likewise.
4666 * config/m32c/bitops.md: Likewise.
4667 * config/m32c/muldiv.md: Likewise.
4668 * config/m32c/mov.md: Likewise.
4669 * config/m32c/addsub.md: Likewise.
4670 * config/m32c/m32c.md: Likewise.
4671 * config/m32c/jump.md: Likewise.
4672 * config/m32c/shift.md: Likewise.
4674 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4675 conditionally output the pattern for this.
4676 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4677 (m32c_compare_redundant): New.
4678 (m32c_output_compare): New.
4679 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4681 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4682 dest, not src. Allow other 4-byte modes.
4684 2006-03-30 Denis Chertykov <denisc@overta.ru>
4686 * doc/md.texi: Refer to avr/constraints.md instead of
4689 2006-03-30 Roger Sayle <roger@eyesopen.com>
4691 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4692 signed vs. unsigned comparison failures on some hosts.
4694 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4697 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4698 change to FLOAT_REGS.
4700 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4701 (rs6000_override_options): Use it.
4702 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4703 only for -mabi=spe/no-spe and -mabi=altivec.
4705 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4707 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4710 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4712 * Makefile.in: Rename docdir to gcc_docdir.
4714 2006-03-30 Roger Sayle <roger@eyesopen.com>
4717 * expr.c (emit_group_store): Optimize group stores into a pseudo
4718 register by using a paradoxical subreg to initialize the destination
4719 if the first or last member of the group specifies a "low part".
4721 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4724 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4725 * target.h (struct gcc_target.speculate_insn): Change type of the
4726 second parameter to 'int'.
4727 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4728 the second operand of the DEPS_LIST.
4729 (copy_DEPS_LIST_list): Update reference to the second operand of the
4731 * rtl.h (alloc_DEPS_LIST): Update signature.
4732 * sched-int.h (ds_t): Change typedef to 'int'.
4733 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4735 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4737 * haifa-sched.c (try_ready): Change condition to restore
4738 non-speculative pattern of the instruction.
4739 (process_insn_depend_be_in_spec): Code to keep probability of the
4740 speculative dependence non-decreasing.
4742 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4744 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4745 (single_move_for_movmem): ... this. Also change all uses.
4746 (bfin_expand_strmov): Renamed to...
4747 (bfin_expand_movmem): ... this. Also change all uses.
4748 * config/bfin/bfin.md (movstrsi): Renamed to...
4749 (movstrsi): ...this.
4751 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4753 PR tree-optimization/26830
4755 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4756 (copy_prop_visit_stmt): Remove write-only variable ann.
4757 (init_copy_prop): Check variable loop depth here. Do not simulate
4758 memory-tag and virtual operand PHIs except for store copy prop.
4760 2006-03-30 Richard Guenther <rguenther@suse.de>
4762 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4763 variants with double arguments.
4765 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4767 * genpreds.c (write_tm_constrs_h): Delete variable p.
4768 * genconditions.c (write_header): Add tm-constrs.h to included
4770 * genpeep.c (main): Add toplev.h to included headers.
4771 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4772 (build/genpeep.o): Add toplev.h dependency.
4773 * config/rs6000/constraints.md: Add "W" constraint.
4775 2006-03-29 Roger Sayle <roger@eyesopen.com>
4777 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4778 sizes by correctly testing whether the size fits a host integer.
4779 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4780 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4781 SImode range for the default sizetype and bitsizetype.
4783 2006-03-29 Roger Sayle <roger@eyesopen.com>
4785 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4786 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4787 quickly if the argument is already of the correct type.
4788 Call fold_build1 instead of build1. Tidy up blank lines.
4790 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4792 * genemit.c (main): Add tm-constrs.h to included headers.
4793 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4794 * genpeep.c (main): Add tm-constrs.h to included headers.
4795 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4796 (write_tm_constrs_h): this and write complete file.
4797 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4798 (write_insn_preds_c): Add tm-constrs.h to included headers.
4799 (gen_constrs): New variable.
4800 (parse_option): Parse "-c".
4801 (main): Invoke write_tm_constrs_h.
4802 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4803 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4804 (object_out_file): Add tm-constrs.h dependency.
4805 (insn-emit.o): Same.
4806 (insn-output.o): Same.
4807 (insn-peep.o): Same.
4808 (insn-preds.o): Same.
4809 (insn-recog.o): Same.
4810 (tm-constsr.h): New target.
4811 (s-constrs-h): New target.
4813 * config/rs6000/constraints.md: New file.
4814 * config/rs6000/rs6000.c: Include tm-constrs.h.
4815 (num_insn_constant_wide): Convert to satisfies_constraint.
4816 (rs6000_rtx_costs): Convert to satisfies_constraint.
4817 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4818 (CONST_OK_FOR_LETTER_P): Delete.
4819 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4820 (EXTRA_CONSTRAINT): Delete.
4821 (EXTRA_MEMORY_CONSTRAINT): Delete.
4822 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4823 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4824 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4825 satisfies_constraint.
4827 * config/i386/i386.c: Include tm-constrs.h.
4829 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4831 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4832 * tree-data-ref.c (find_data_references_in_loop,
4833 compute_data_dependences_for_loop): Use pointers to VEC.
4834 (analyze_all_data_dependences): Adjust calls.
4835 * tree-data-ref.h (find_data_references_in_loop,
4836 compute_data_dependences_for_loop): Adjust declarations.
4837 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4838 compute_data_dependences_for_loop.
4840 2006-03-29 Paul Brook <paul@codesourcery.com>
4842 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4845 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4847 PR tree-optimization/26859
4848 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4850 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4851 for the step after fold_convert.
4853 2006-03-29 Paul Brook <paul@codesourcery.com>
4855 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4856 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4858 2006-03-29 Paul Brook <paul@codesourcery.com>
4861 * targhooks.c (default_narrow_bitfield): New fuction.
4862 * targhooks.h (default_narrow_bitfield): add prototype.
4863 * target.h (gcc_target): Add narrow_volatile_bitfield.
4864 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4865 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4866 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4867 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4869 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4871 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4873 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4874 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4875 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4876 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4877 (s390_function_arg_float): Allow SDmode and DDmode values to be
4878 passed in floating point registers.
4879 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4880 check with SCALAR_FLOAT_MODE_P.
4881 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4883 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4885 PR tree-optimization/25985
4886 * tree-ssa-loop-niter.c (number_of_iterations_le,
4887 number_of_iterations_ne): Make comments more precise.
4888 (number_of_iterations_cond): Add only_exit argument. Use the
4889 fact that signed variables do not overflow only when only_exit
4891 (loop_only_exit_p): New.
4892 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4893 number_of_iterations_cond.
4895 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4897 PR tree-optimization/26643
4898 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4901 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4903 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4904 (divsi3_i4_int): Likewise.
4906 2006-03-28 Roger Sayle <roger@eyesopen.com>
4908 * expr.c (emit_group_store): Only create a new pseudo reg if the
4909 quantity it needs to hold isn't already a suitable pseudo.
4911 2006-03-28 Jeff Law <law@redhat.com>
4913 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4914 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4916 2006-03-28 Roger Sayle <roger@eyesopen.com>
4918 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4919 the equivalent ~X & Y, and the symmetry related transformations.
4920 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4921 ~X & Y, and symmetry related transforms.
4923 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4925 Revert my 2006-03-27 patches.
4927 2006-03-28 Roger Sayle <roger@eyesopen.com>
4929 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4930 ~(T1)X, when T1 and T2 are integer types of the same precision
4931 and (T2)X isn't an extension.
4933 2006-03-28 Jeff Law <law@redhat.com>
4935 PR tree-optimization/26796
4936 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4937 need EH edge cleanups rather than purging them immediately.
4938 (eliminate_degenerate_phis): Handle queued EH cleanups.
4940 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4942 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4945 2006-03-27 Roger Sayle <roger@eyesopen.com>
4948 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4949 cast BIT_NOT_EXPR operand to the correct type.
4951 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4953 * tree-loop-linear.c: Don't include varray.h.
4954 (gather_interchange_stats, try_interchange_loops,
4955 linear_transform_loops): Use VEC instead of VARRAY.
4956 * lambda-mat.c: Don't include varray.h.
4957 * tree-chrec.c: Same.
4958 * lambda-trans.c: Same.
4959 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4960 VEC instead of VARRAY.
4961 * tree-vectorizer.h: Idem.
4962 * tree-data-ref.c (dump_data_references,
4963 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4964 initialize_data_dependence_relation, finalize_ddr_dependent,
4965 compute_all_dependences, find_data_references_in_loop,
4966 compute_data_dependences_for_loop, analyze_all_data_dependences,
4967 free_dependence_relation, free_dependence_relations,
4968 free_data_refs): Idem.
4969 * tree-data-ref.h (data_reference_p, subscript_p): New.
4970 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4971 VEC instead of VARRAY.
4972 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4973 (find_data_references_in_loop, compute_data_dependences_for_loop,
4974 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4975 dump_data_dependence_relations, free_dependence_relations,
4976 free_data_refs): Adjust declaration.
4977 (lambda_transform_legal_p): Move declaration here...
4978 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4979 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4980 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4981 vect_analyze_data_refs): Use VEC instead of VARRAY.
4982 * lambda.h (lambda_transform_legal_p): ...from here.
4983 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4984 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4985 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4986 tree-chrec.o): Don't depend on VARRAY_H.
4988 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4990 * rtl.def (Copyright): Update date.
4991 (DEPS_LIST): Change type of the second operand to 'int'.
4992 * target.h (Copyright): Update date.
4993 (struct gcc_target.speculate_insn): Change type of the second parameter
4995 * lists.c (Copyright): Update date.
4996 (alloc_DEPS_LIST): Change signature. Update reference to the second
4997 operand of the DEPS_LIST.
4998 (copy_DEPS_LIST_list): Update reference to the second operand of the
5000 * rtl.h (Copyright): Update date.
5001 (alloc_DEPS_LIST): Update signature.
5002 * sched-int.h (Copyright): Update date.
5003 (ds_t): Change typedef to 'int'.
5004 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5006 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5008 * haifa-sched.c (Copyright): Update date.
5009 (try_ready): Change condition to restore non-speculative pattern
5011 (process_insn_depend_be_in_spec): Code to keep probability of the
5012 speculative dependence non-decreasing.
5014 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5016 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5017 shut up the compiler.
5019 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5021 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5022 to use lib prefix for target.
5023 ($(T)libic_invalidate_array_4-200.a): Likewise.
5024 ($(T)libic_invalidate_array_4a.a): Likewise.
5026 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5027 J"orn Rennecke <joern.rennecke@st.com>
5029 * superh.opt: New file.
5030 * sh.c (boardtype, osruntime): Remove.
5031 * superh.h (SUBTARGET_OPTIONS): Remove.
5032 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5034 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5035 arguments with ^ and/or [].
5037 * config.gcc (sh-*-*): Add quoting to account for quirk of
5039 Replace == with = in enable_incomplete_targets test.
5041 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5042 with MASK_LITTLE_ENDIAN.
5044 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5045 * config/sh/sh.opt: Added to some comments.
5046 * config/sh/superh.h: Removed some chaff.
5048 * config/sh/sh.opt: Add m4-[1234]00* options.
5049 * config/sh/sh.c (sh_handle_option): Likewise.
5050 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5051 (ic_invalidate_array_4-100.o): New rule.
5052 ($(T)libic_invalidate_array_4-100.a): Likewise.
5053 (ic_invalidate_array_4-200.o): Likewise.
5054 ($(T)libic_invalidate_array_4-200.a): Likewise.
5055 (ic_invalidate_array_4a.o): Likewise.
5056 ($(T)libic_invalidate_array_4a.a): Likewise.
5057 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5058 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5060 * config/sh/crt1.asm: Merged in profiling code.
5061 * config/sh/superh.h (STARTFILE_SPEC): Override.
5062 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5063 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5064 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5066 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5067 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5068 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5070 * sh.opt (mpretend-cmove): New option.
5071 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5072 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5073 (movsicc): Add TARGET_PRETEND_CMOVE code.
5075 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5077 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5078 s390_class_max_nregs): New function prototypes.
5079 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5080 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5081 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5082 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5084 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5086 * dwarf2out.c (add_location_or_const_value_attribute): Call
5087 tree_add_const_value_attribute if nothing else works.
5088 (reference_to_unused): New.
5089 (rtl_for_decl_init): Use reference_to_unused to decide whether
5090 to output an initializer.
5092 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5095 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5096 peephole removing spe frob_di_df_2.
5098 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5100 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5101 (subscript_dependence_tester_1): Declared.
5102 (print_dir_vectors, print_dist_vectors): New.
5103 (debug_data_dependence_relation): New.
5104 (dump_data_dependence_relation): Print more details.
5105 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5106 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5107 (save_dist_v, save_dir_v, add_outer_distances,
5108 build_classic_dist_vector_1): New.
5109 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5110 Don't test for lambda_vector_lexico_pos.
5111 (same_access_functions, add_multivariate_self_dist,
5112 add_other_self_distances, dir_from_dist): New.
5113 (build_classic_dir_vector): Replace implementation almost identical to
5114 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5116 (subscript_dependence_tester_1): New.
5117 (subscript_dependence_tester): Handle the lexicographically negative
5118 distance vectors by recomputing the dependence relation.
5119 (compute_affine_dependence): Remove parameter loop_nest_depth.
5120 (compute_self_dependence): Don't call compute_subscript_distance.
5121 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5122 Add a parameter for the loop_nest.
5123 (find_loop_nest_1, find_loop_nest): New.
5124 (compute_data_dependences_for_loop): Compute the loop nest, and give
5125 up if the nest is not well formed.
5126 * tree-data-ref.h (loop_p): New.
5127 (struct data_dependence_relation): Replace size_vect field with
5128 loop_nest, a vec of loops.
5129 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5130 (DDR_LOOP_NEST): New.
5131 (print_dir_vectors, print_dist_vectors,
5132 debug_data_dependence_relation): Declared.
5133 (index_in_loop_nest): New.
5134 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5135 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5138 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5140 * simplify-rtx.c (simplify_relational_operation): Call
5141 simplify_relational_operation_1 even if mode is VOIDmode.
5143 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5145 PR tree-optimization/26804
5146 * tree.h (DECL_CALL_CLOBBERED): New macro.
5147 (tree_decl_common): Add call_clobbered_flag.
5148 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5149 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5150 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5151 (mark_non_addressable): Ditto.
5152 * tree-ssa.c (verify_call_clobbered): New function.
5153 (verify_alias_info): Use it.
5154 * tree-pass.h (pass_reset_cc_flags): New prototype.
5155 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5156 (reset_cc_flags): New function.
5157 * passes.c (init_optimization_passes): Call reset_cc_flags after
5158 initializing referenced_vars.
5160 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5161 Roger Sayle <roger@eyesopen.com>
5164 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5165 to 1.0 for non-real operands. Implement A / A optimization for
5168 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5170 * config/i386/i386.c (size_cost): Correct the comment for
5171 cost of storing fp registers.
5172 (i386_cost): Likewise.
5173 (i486_cost): Likewise.
5174 (pentium_cost): Likewise.
5175 (pentiumpro_cost): Likewise.
5176 (k6_cost): Likewise.
5177 (athlon_cost): Likewise.
5178 (k8_cost): Likewise.
5179 (pentium4_cost): Likewise.
5180 (nocona_cost): Likewise.
5181 (generic64_cost): Likewise.
5182 (generic32_cost): Likewise.
5184 2006-03-24 Denis Chertykov <denisc@overta.ru>
5186 * config/avr/avr-protos.h (extra_constraint): Delete.
5187 (extra_constraint_Q): New declaration.
5188 * config/avr/constraints.md: New file.
5189 * config/avr/avr.md: Include it.
5190 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5191 (TMP_REGNO, ZERO_REGNO): Likewise.
5192 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5193 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5194 (extra_constraint): Delete.
5195 (extra_constraint_Q): Test for memory constraint 'Q'.
5196 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5197 (REG_CLASS_FROM_LETTER): Delete.
5198 (CONST_OK_FOR_LETTER_P): Delete.
5199 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5200 (EXTRA_CONSTRAINT): Delete.
5201 (TMP_REGNO): Delete.
5202 (ZERO_REGNO): Delete.
5204 2006-03-24 Jeff Law <law@redhat.com>
5206 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5207 directly. Call mark_new_vars_to_rename slightly earlier.
5209 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5211 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5213 (gen_compile_unit_die): Use new language types for Objective-C and
5215 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5216 DW_LANG_C_plus_plus.
5219 * config/t-darwin (crt3.o): Work around bug 26840.
5220 * config/darwin-crt3.c: Rewrite.
5221 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5223 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5225 * doc/invoke.texi: Document -femit-class-debug-always
5226 * common.opt: Add -femit-class-debug-always.
5228 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5230 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5231 index and base register.
5232 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5233 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5234 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5235 REGNO_OK_FOR_INDEX_P.
5236 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5238 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5239 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5240 REG_OK_FOR_BASE_P): Definitions removed.
5242 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5245 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5246 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5247 set yet or weren't marked as local yet.
5249 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5251 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5254 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5256 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5257 (rs6000_legitimate_small_data_p): Delete.
5258 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5259 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5260 and make static. Add forward declaration. Update uses.
5261 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5262 of offsettable_memref_p.
5263 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5264 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5266 2006-03-24 Jeff Law <law@redhat.com>
5268 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5269 around bug in immediate-use iterator.
5271 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5274 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5275 or __LITTLE_ENDIAN__.
5277 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5279 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5280 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5281 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5282 * config/sh/sh.opt (mdiv=): Amend description.
5283 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5284 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5285 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5286 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5287 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5288 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5289 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5290 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5291 TARGET_DIVIDE_CALL_FP.
5293 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5295 * haifa-sched.c (choose_ready): Fix type of the local variable.
5296 Move local variables. Add comment.
5297 (check_reg_live): Change signature. Make callable from debugger.
5298 * sched-int.h (check_reg_live): Update signature.
5299 * sched-ebb.c (check_reg_live): Update parameters.
5300 * sched-rgn.c (check_reg_live): Ditto.
5301 (region_head_or_leaf_p): Check pointer before dereferencing.
5302 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5303 before reload on optimization levels below 1.
5305 2006-03-23 Richard Henderson <rth@redhat.com>
5307 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5311 * config/alpha/predicates.md (local_symbolic_operand): Reject
5314 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5317 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5318 expressions which have overflowed constants.
5320 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5322 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5324 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5326 * cfgloopmanip.c (create_loop_notes): Removed.
5327 * final.c (final_scan_insn): Do not handle loop notes.
5328 * jump.c (squeeze_notes): Ditto.
5329 * cfglayout.c (skip_insns_after_block,
5330 duplicate_insn_chain): Ditto.
5331 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5333 * cfgloop.h (create_loop_notes): Declaration removed.
5335 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5337 * varasm.c (output_constant_pool): Restore fnname and fndecl
5339 (assemble_start_function): Adjust call accordingly.
5340 (assemble_end_function): Likewise.
5342 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5345 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5348 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5350 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5353 * system.h (ICE_EXIT_CODE): New macro.
5354 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5355 (diagnostic_action_after_output): Likewise.
5356 * gcc.c (fatal_ice): New function.
5357 (execute): Use it instead of fatal.
5358 (fancy_abort): Likewise.
5359 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5361 2006-03-22 Jeff Law <law@redhat.com>
5363 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5364 iv_analyze_result returning false.
5366 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5368 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5370 2006-03-22 Richard Henderson <rth@redhat.com>
5373 * except.c (duplicate_eh_regions_0): New.
5374 (duplicate_eh_region_1): Duplicate the children of the node as
5375 well as the node itself. Link them up properly.
5376 (duplicate_eh_region_2): Merge into ...
5377 (duplicate_eh_regions): ... here. Take copy_region argument, and
5378 copy only a sub-tree if asked. Simplify copying and fixup.
5379 (eh_region_outer_p): New.
5380 * except.h (duplicate_eh_regions): Update decl.
5381 (eh_region_outer_p): Declare.
5382 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5383 (lower_omp_master): Likewise.
5384 (lower_omp_ordered): Likewise.
5385 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5386 (move_stmt_r): Use it to remap labels. Handle recursion vs
5387 remap_decls_p properly.
5388 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5389 (find_outermost_region_in_block): New.
5390 (new_label_mapper): New.
5391 (move_sese_region_to_fn): Copy eh information to the new function
5393 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5395 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5398 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5400 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5401 into shared libraries.
5403 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5405 * doc/md.texi: Refer to i386/constraints.md instead of
5407 * config/i386/constraints.md: New file, extracted from...
5408 * config/i386/predicates.md: ...here.
5409 * config/i386/i386.md: Include constraints.md.
5411 2006-03-21 Jason Merrill <jason@redhat.com>
5413 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5416 * expr.c (init_block_move_fn): Force default visibility.
5417 (init_block_clear_fn): Likewise.
5418 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5419 * targhooks.c (default_external_stack_protect_fail): Likewise.
5421 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5423 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5424 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5425 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5426 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5427 (loadgp): Use mips_current_loadgp_style.
5428 (loadgp_noshared): New pattern.
5429 (sibcall_internal): Use MIPS_CALL.
5430 (sibcall_value_internal): Likewise.
5431 (sibcall_value_multiple_internal): Likewise.
5432 (call_internal): Likewise.
5433 (call_value_internal): Likewise.
5434 (call_value_multiple_internal): Likewise.
5435 (call_split): Use MIPS_CALL and add an 'S' constraint.
5436 (call_value_split): Likewise.
5437 (call_value_multiple_split): Likewise.
5438 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5439 (-mshared): New option.
5440 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5441 (mips_current_loadgp_style): Declare.
5442 * config/mips/mips.c (mips_classify_symbol): Avoid using
5443 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5444 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5445 TARGET_ABSOLUTE_ABICALLS.
5446 (override_options): Adjust comments. Improve the warning that is
5447 issued when -mabicalls and -G are used together.
5448 (mips_file_start): Remove comment.
5449 (mips_current_loadgp_style): New function.
5450 (mips_gnu_local_gp): New variable.
5451 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5453 (mips_output_function_prologue): Use mips_current_laodgp_style.
5454 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5455 the cprestore instruction.
5456 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5457 live for TARGET_ABSOLUTE_ABICALLS.
5458 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5459 (ASM_SPEC): Pass down -mshared and -mno-shared.
5460 (MIPS_CALL): New macro.
5461 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5463 * doc/invoke.texi (-mabicalls): Update documentation.
5464 (-mshared): Document.
5466 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5468 * config/ia64/unwind-hpux.c: New file.
5469 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5471 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5474 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5476 2006-03-21 Jeff Law <law@redhat.com>
5478 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5479 type conversions of a VR_VARYING source to a wider type.
5481 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5483 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5484 tm_file on Solaris 10 and later.
5485 (sparc64-*-solaris2*): Likewise.
5486 (sparc-*-solaris2*): Likewise.
5487 * config/sol26.h: Rename to config/sol2-6.h.
5488 * config/sol2-10.h: New file.
5490 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5493 * tree-ssa-pre.c (create_component_ref_by_pieces):
5496 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5499 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5500 return it immediately.
5502 2006-03-21 Michael Matz <matz@suse.de>
5504 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5506 (remove_arc, add_arc): Update num_out_arcs member.
5507 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5509 (cache_presence): New function.
5510 (compare_states_for_equiv): New function.
5511 (state_is_differed): Don't take number of outargs, adjust callers.
5512 Use new invariant for speeding up.
5513 (init_equiv_class): Create initial classes based on sorted
5515 (partition_equiv_class): Don't track out_arcs_num.
5516 (evaluate_equiv_classes): Call cache_presence on all states and
5519 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5521 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5522 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5523 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5524 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5526 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5527 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5528 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5529 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5530 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5532 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5533 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5534 (REGNO_REG_CLASS): ARGP is in PREGS.
5535 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5537 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5538 to deal with those addresses.
5539 * addresses.h: New file.
5540 * caller-save.c: Include "addresses.h".
5541 (init_caller_save): Use new base_reg_class function.
5542 * rtl-factoring.c: Include "addresses.h".
5543 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5544 * recog.c: Include "addresses.h".
5545 (preprocess_constraints): Use new base_reg_class function.
5546 * regrename.c: Include "addresses.h".
5547 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5548 functions. Keep track of a new var INDEX_CODE to compute valid
5550 (replace_oldest_value_addr): Likewise.
5551 (replace_oldest_value_mem): Use base_reg_class.
5552 * reload.c: Include "addresses.h".
5553 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5554 (find_reloads): Use new base_reg_class function.
5555 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5556 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5557 all callers and prototype changed.
5558 * reload1.c: Include "addresses.h".
5559 (maybe_fix_stack_asms): Use base_reg_class.
5560 * regclass.c: Include "addresses.h".
5561 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5562 (init_reg_autoinc): Use new base_reg_class function.
5563 (record_reg_classes): Likewise.
5564 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5565 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5566 Use new args to compute necessary class.
5568 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5569 regrename.o, rtl-factoring.o): Update dependencies.
5570 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5571 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5572 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5573 REG_OK_FOR_INDEX_P): Delete documentation.
5575 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5577 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5578 from V7 to V9 for Solaris 7 and above.
5580 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5582 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5583 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5584 argument pointers may not alias any other storage.
5585 * common.opt: Define option -fargument-noalias-anything.
5586 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5587 alias semantics is specified by flag_argument_noalias > 2.
5589 2006-03-20 Jeff Law <law@redhat.com>
5591 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5592 (pass_phi_only_cprop): Declare.
5593 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5595 * tree-ssa-dom.c (degenerate_phi_result): New function.
5596 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5597 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5598 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5599 (eliminate_degenerate_phis): Likewise.
5600 (pass_phi_only_cprop): New pass descriptor.
5601 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5602 support code. Callers updated.
5603 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5604 (store_copy_prop): Likewise.
5605 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5607 2006-03-20 Jason Merrill <jason@redhat.com>
5610 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5611 (push_visibility, pop_visibility): Likewise.
5612 * c-pragma.h: Declare them.
5614 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5616 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5618 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5619 parameter and use get_ebb_head_tail.
5620 (sh_md_init_global): Adjust uses of find_regmode_weight.
5622 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5624 * function.h (struct function) <x_tail_recursion_reentry>:
5625 Rename to x_stack_check_probe_note.
5626 (tail_recursion_reentry): Rename to stack_check_probe_note.
5627 * function.c: Replace tail_recursion_reentry with
5628 stack_check_probe_note everywhere.
5629 (expand_function_start): Only emit a note for
5630 stack_check_probe_note with -fstack-protect.
5631 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5633 * emit-rtl.c (remove_unnecessary_notes): Remove.
5634 (pass_remove_unnecessary_notes): Remove.
5635 * rtl.h (remove_unnecessary_notes): Remove prototype.
5636 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5637 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5638 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5640 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5643 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5644 (valid_in_set): Handle ARRAY_REF.
5645 Change "if min_variant or VH" to asserts.
5646 (create_component_ref_by_pieces): Handle ARRAY_REF.
5647 (create_expression_by_pieces): Likewise.
5648 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5650 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5652 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5653 is operand of switch, not str[0].
5655 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5657 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5658 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5660 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5662 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5663 end of insn_extra_address_constraint declaration.
5665 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5667 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5668 (no-sum-in-toc): Same.
5669 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5671 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5672 NO_FP_IN_TOC for -fPIC instead of mask.
5674 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5675 (BOOT_LDFLAGS): Delete.
5677 * config/rs6000/t-aix52: Same.
5679 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5680 (stmsi[345678]_power): New.
5682 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5684 * config/ia64/ia64.opt: Add empty line to end of file.
5686 2006-03-17 Richard Guenther <rguenther@suse.de>
5689 * builtins.c (get_pointer_alignment): For component style references
5690 adjust alignment to the component type alignment. Make sure
5691 to adjust alignment for component access of constants.
5693 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5695 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5698 2006-03-17 Paul Brook <paul@codesourcery.com>
5700 * doc/install.texi: Docuemnt --with-mode.
5701 * config.gcc: Add --with-mode for arm*-*-*.
5702 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5704 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5706 * sh.c (max_labelno_before_reorg): New variable.
5707 (sh_reorg): Initialize it.
5708 (find_barrier): Check max_labelno_before_reorg before using
5709 label_to_alignment. Take length of explicit alignment insns
5710 into account. When seeing a UNSPECV_CONST_END, return it.
5712 * sh.c (fixup_mova): Set mode of affected label to QImode.
5713 (untangle_mova): New function.
5714 (find_barrier): Use it. Check mode of label before decrementing
5716 (sh_reorg): Likewise.
5717 Set mode of all insns back to VOIDmode.
5719 * sh.c (MOVA_LABELREF): New macro.
5720 (mova_p, fixup_mova, sh_reorg): Use it.
5721 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5722 ADDR_DIFF_VEC matches mova.
5724 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5726 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5727 with ATTRIBUTE_UNUSED.
5729 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5731 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5732 pointer, instead of assuming it is possible to derive the
5733 correct args size from a call insn.
5735 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5737 * rtl.h (CONST_INT_P): Define.
5738 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5739 instead of GET_CODE(x) == CONST_INT.
5740 (vax_rtx_costs): Likewise.
5741 (vax_output_int_move): Likewise.
5742 (vax_output_int_add): Likewise.
5743 (legitimate_constant_address_p): Likewise.
5744 (index_term_p): Likewise.
5745 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5746 * config/vax/vax.md (and<mode>3): Likewise.
5747 (ashrsi3): Likewise.
5749 (movstricthi): Likewise.
5750 (movstrictqi): Likewise.
5751 (rotrsi3): Likewise.
5752 (five unnamed insns): Likewise.
5754 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5756 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5757 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5758 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5759 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5760 Pass to ASM_OUTPUT_DWARF_OFFSET.
5761 * dwarf2out.c (debug_frame_section): New.
5762 (output_call_frame_info): Use debug_frame_section. Pass it to
5763 dw2_asm_output_offset.
5764 (output_die): Pass appropriate section to dw2_asm_output_offset.
5765 (output_compilation_unit_header): Likewise.
5766 (output_pubnames): Likewise.
5767 (output_aranges): Likewise.
5768 (enum dw_val_class): Break dw_val_class_lbl_offset into
5769 dw_val_class_lineptr and dw_val_class_macptr.
5770 (add_AT_lbl_offset): Delete.
5771 (add_AT_lineptr): New.
5772 (add_AT_macptr): New.
5773 (AT_lbl): Expect a lineptr or macptr.
5774 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5775 (attr_checksum): Likewise.
5776 (same_dw_val_p): Likewise.
5777 (size_of_die): Likewise.
5778 (value_format): Likewise.
5779 (output_die): Likewise.
5780 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5782 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5783 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5784 * config/darwin-protos.h (darwin_file_start): New.
5785 (darwin_asm_output_dwarf_offset): New.
5786 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5787 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5789 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5790 if not EH section; simplify.
5791 (darwin_file_start): New.
5792 (darwin_asm_output_dwarf_offset): New.
5793 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5795 (DEBUG_INFO_SECTION): Likewise.
5796 (DEBUG_ABBREV_SECTION): Likewise.
5797 (DEBUG_ARANGES_SECTION): Likewise.
5798 (DEBUG_MACINFO_SECTION): Likewise.
5799 (DEBUG_LINE_SECTION): Likewise.
5800 (DEBUG_LOC_SECTION): Likewise.
5801 (DEBUG_PUBNAMES_SECTION): Likewise.
5802 (DEBUG_STR_SECTION): Likewise.
5803 (DEBUG_RANGES_SECTION): Likewise.
5804 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5805 (ASM_OUTPUT_DWARF_OFFSET): New.
5807 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5809 * config.gcc (tm_defines): Always add to previous value rather
5812 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5814 * config/mips/predicates.md (splittable_const_int_operand): New,
5815 split from move_operand.
5816 (splittable_symbolic_operand): New.
5817 (move_operand): Add commentary. Use splittable_const_int_operand.
5818 Inline mips_atomic_symbolic_constant_p.
5819 * config/mips/mips.md: Add combine splitters for handling moves
5820 of splittable_const_int_operands and splittable_symbolic_operands.
5821 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5822 (mips_split_symbol): Declare.
5823 (mips_move_integer): Declare.
5824 * config/mips/mips.c (mips_split_p): Make global.
5825 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5826 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5827 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5828 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5829 (mips_offset_within_object_p): Handle block symbols.
5830 (mips_atomic_symbolic_constant_p): Delete.
5831 (mips_cannot_force_const_mem): Return false for constants that
5832 mips_legitimize_move can handle.
5833 (mips_use_blocks_for_constant_p): New function.
5834 (mips_split_symbol): Make global.
5835 (mips_move_integer): Likewise. Add a temporary register argument.
5836 (mips_legitimize_const_move): Use splittable_const_int_operand and
5837 splittable_symbolic_operand.
5838 (mips_use_anchors_for_symbol_p): New function.
5839 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5840 (mips_split_p): Declare.
5842 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5844 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5845 (mips*-*-linux*): Likewise.
5847 2006-03-16 Roger Sayle <roger@eyesopen.com>
5848 Daniel Speyer <dspeyer@wam.umd.edu>
5851 * tree-dump.c (dump_real): New function.
5852 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5853 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5854 (tree-dump.o): Add $(REAL_H) to the dependencies.
5856 2006-03-16 Roger Sayle <roger@eyesopen.com>
5859 * real.c (real_from_string): If the mantissa is zero, don't bother
5860 parsing the exponent as the result should always be zero.
5862 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5864 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5866 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5868 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5869 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5870 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5871 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5872 ia64_sched_finish_global): New static functions to implement
5873 hooks from gcc_target.sched.
5874 (spec_check_no, max_uid, pending_data_specs): New static variables.
5875 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5876 ia64_spec_check_src_p): New static functions.
5877 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5878 (TARGET_SCHED_ADJUST_COST): Removed.
5879 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5880 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5881 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5882 TARGET_SCHED_GEN_CHECK,
5883 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5884 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5885 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5886 Fixed to handle speculation checks.
5887 (rtx_needs_barrier): Fixed to handle speculative loads and
5889 (ia64_variable_issue): Added code to count speculative loads and their
5891 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5893 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5895 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5897 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5898 (ia64_reorg): Reset stops_p to NULL after it is freed.
5899 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5900 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5901 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5903 (data_speculative, control_speculative, check_load): New attributes.
5904 (mov<mode>_advanced, mov<mode>_speculative,
5905 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5906 zero_extend<mode>di2_speculative,
5907 zero_extend<mode>di2_speculative_advanced): New patterns for
5908 data and control speculative loads.
5909 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5911 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5912 New pattern for data and control speculation checks.
5913 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5914 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5915 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5916 Auxiliary definitions for the patterns.
5917 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5918 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5920 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5922 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5923 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5924 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5925 New resource constraints.
5926 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5928 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5929 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5930 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5931 msched-in-control-spec, msched-ldc, msched-control-ldc,
5932 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5933 msched-prefer-non-control-spec-insns,
5934 msched-count-spec-in-critical-path): New flags to tune speculative
5936 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5937 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5938 msched-in-control-spec, msched-ldc, msched-control-ldc,
5939 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5940 msched-prefer-non-control-spec-insns,
5941 msched-count-spec-in-critical-path): Document new flags.
5943 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5945 * target.h (struct spec_info_def): New opaque declaration.
5946 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5947 speculate_insn, needs_block_p, gen_check,
5948 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5949 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5950 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5951 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5952 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5953 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5955 (TARGET_SCHED): Use new macros.
5956 * rtl.h (copy_DEPS_LIST_list): New prototype.
5957 * sched-int.h (struct sched_info): Change signature of new_ready field,
5958 adjust all initializations. New fields: add_remove_insn,
5959 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5960 region_head_or_leaf_p.
5961 (struct spec_info_def): New structure declaration.
5962 (spec_info_t): New typedef.
5963 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5964 recovery_block, orig_pat.
5965 (glat_start, glat_end): New variables declaraions.
5966 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5968 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5969 DETACH_LIFE_INFO, USE_GLAT.
5970 (enum SPEC_SCHED_FLAGS): New enumeration.
5971 (NOTE_NOTE_BB_P): New macro.
5972 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5973 attach_life_info, debug_spec_status, check_reg_live): New functions.
5974 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5975 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5977 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5978 * ddg.c (get_block_head_tail): Adjust all uses.
5979 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5980 (sms_sched_info): Initialize new fields.
5981 (contributes_to_priority): Removed.
5982 * haifa-sched.c (params.h): New include.
5983 (get_block_head_tail): Adjust all uses.
5984 (ISSUE_POINTS): New macro.
5985 (glat_start, glat_end): New global variables.
5986 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5987 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5988 old_last_basic_block, before_recovery, current_sched_info_var,
5989 rgn_n_insns, luid): New static variables.
5990 (insn_cost1): New function. Move logic from insn_cost to here.
5991 (find_insn_reg_weight1): New function. Move logic from
5992 find_insn_reg_weight to here.
5993 (reemit_notes, move_insn, max_issue): Change signature.
5994 (move_insn1): Removed.
5995 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5996 extend_bb): New static functions to support extension of scheduler's
5998 (generate_recovery_code, process_insn_depend_be_in_spec,
5999 begin_speculative_block, add_to_speculative_block,
6000 init_before_recovery, create_recovery_block, create_check_block_twin,
6001 fix_recovery_deps): New static functions to support
6002 generation of recovery code.
6003 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6004 restore_bb_notes, move_block_after_check, move_succs): New static
6005 functions to support ebb scheduling.
6006 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6007 functions to support handling of register live information.
6008 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6009 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6010 add_jump_dependencies): New static functions.
6011 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6012 consistancy checking.
6013 (debug_spec_status): New function to call from debugger.
6014 (priority): Added code to handle speculation checks.
6015 (rank_for_schedule): Added code to distinguish speculative instructions.
6016 (schedule_insn): Added code to handle speculation checks.
6017 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6018 Fixed to handle ebbs.
6019 (move_insn): Added code to handle ebb scheduling.
6020 (max_issue): Added code to use ISSUE_POINTS of instructions.
6021 (choose_ready): Added code to choose between speculative and
6022 non-speculative instructions.
6023 (schedule_block): Added code to handle ebb scheduling and scheduling of
6024 speculative instructions.
6025 (sched_init): Initialize new variables.
6026 (sched_finish): Free new variables. Print statistics.
6027 (try_ready): Added code to handle speculative instructions.
6028 * lists.c (copy_DEPS_LIST_list): New function.
6029 * sched-deps.c (extend_dependency_caches): New function. Move logic
6030 from create_dependency_caches to here.
6031 (get_dep_weak, ds_merge): Make global.
6032 * genattr.c (main): Code to output prototype for
6033 dfa_clear_single_insn_cache.
6034 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6035 (output_dfa_clean_insn_cache_func): Code to output
6036 dfa_clear_single_insn_cache function.
6037 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6039 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6041 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6042 New static variables.
6043 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6044 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6046 (ebb_sched_info): Initialize new fields.
6047 (get_block_head_tail): Adjust all uses.
6048 (compute_jump_reg_dependencies): Fixed to use glat_start.
6049 (schedule_ebb): Code to remove unreachable last block.
6050 (schedule_ebbs): Added code to update register live information.
6051 * sched-rgn.c (region_sched_info): Initialize new fields.
6052 (get_block_head_tail): Adjust all uses.
6053 (last_was_jump): Removed. Adjust users.
6054 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6055 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6056 Implement new hooks.
6057 (check_dead_notes1): New static function.
6058 (struct region): New fields: dont_calc_deps, has_real_ebb.
6059 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6060 (BB_TO_BLOCK): Fixed to handle EBBs.
6061 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6062 (ebb_head): New static variable.
6063 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6064 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6066 (compute_dom_prob_ps): New assertion.
6067 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6068 global_live_at_start.
6069 (init_ready_list): New assertions.
6070 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6071 (new_ready): Add support for BEGIN_CONTROL speculation.
6072 (schedule_insns): Fixed code that updates register live information
6074 (schedule_region): Fixed to handle EBBs.
6075 (init_regions): Use extend_regions and check_dead_notes1.
6076 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6077 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6078 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6079 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6080 TARGET_SCHED_GEN_CHECK,
6081 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6082 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6083 * doc/invoke.texi (max-sched-insn-conflict-delay,
6084 sched-spec-prob-cutoff): Document.
6086 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6088 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6089 inter_tick, queue_index.
6090 (struct sched_info): Change signature of init_ready_list field.
6091 Adjust all initializations.
6092 (RESOLVED_DEPS): New access macro.
6093 (ready_add): Remove prototype.
6094 (try_ready): Add prototype.
6095 * sched-rgn.c (init_ready_list): Use try_ready.
6096 (schedule_region): Initialize
6097 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6098 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6099 (init_ready_list): Use try_ready.
6100 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6101 * lists.c (remove_list_elem): Remove `static'.
6102 (remove_free_INSN_LIST_elem): New function.
6103 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6104 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6105 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6107 (readyp): New variable.
6108 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6109 change_queue_index, resolve_dep): New static functions.
6110 (try_ready): New function. Adjust callers in sched-rgn.c and
6111 sched-ebb.c to use it instead of ready_add.
6112 (clock_var): Move at the begining of file.
6113 (rank_for_schedule): Fix typo.
6114 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6115 (ready_lastpos): Enforce assertion.
6116 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6118 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6119 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6120 (queue_to_ready): Use free_INSN_LIST_list.
6121 (early_queue_to_ready): Fix typo.
6122 (schedule_block): Init readyp. Move init_ready_list call after the
6123 initialization of clock_var. Fix error in rejecting insn by
6124 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6125 that previously corrected INSN_TICKs. Add code for handling
6127 (set_priorities): Fix typo.
6128 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6129 Clarify comment and code that keeps current_sched_info->next_tail
6132 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6134 * sched-rgn.c (extend_rgns): New static function.
6135 (find_rgns): Use it.
6136 (gather_region_statistics, print_region_statistics): New static
6138 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6139 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6141 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6142 Andrey Belevantsev <abel@ispras.ru>
6144 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6145 * lists.c (unused_deps_list): New variable.
6146 (free_list): Add assertions to verify the proper distinguishing
6147 between INSN_LISTs and DEPS_LISTs.
6148 (find_list_elem, remove_list_elem, remove_list_node): New static
6150 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6151 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6152 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6153 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6155 (free_INSN_LIST_node): Likewise.
6156 * modulo-sched.c (current_sched_info): Initialize flags field.
6157 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6158 * rtl.def (DEPS_LIST): Define.
6159 * rtl.h: Declare new functions from lists.c.
6160 * sched-deps.c (spec_dependency_cache): New static variable.
6161 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6162 (add_dependence): Change return type to void. Move the logic to ...
6163 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6164 (delete_all_dependences): Add comment about forward_dependency_cache.
6165 Handle spec_dependency_cache. Handle DEPS_LISTs.
6166 (fixup_sched_groups): Clarify the change of priority of output
6167 and anti dependencies.
6168 (sched_analyze_2): Adjust add_dependence calls to create data
6169 speculative dependence.
6170 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6171 Adjust all callers. Handle DEPS_LISTS.
6172 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6173 presence of speculation.
6174 (init_dependency_caches, free_dependency_caches):
6175 Handle spec_dependency_cache.
6176 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6177 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6178 New static functions.
6179 (add_or_update_back_dep, add_or_update_back_forw_dep,
6180 add_back_forw_dep, delete_back_forw_dep): New functions.
6181 * sched-int.h (ds_t, dw_t): New typedefs.
6182 (struct sched_info): Add new field flags.
6183 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6184 Prototype new sched-deps.c functions.
6185 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6186 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6187 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6188 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6189 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6190 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6192 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6194 * sched-rgn.c (current_sched_info): Initialize flags field.
6195 (schedule_insns): Initialize current_sched_info before the sched_init
6197 * sched-ebb.c (current_sched_info): Initialize flags field.
6198 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6199 Call add_or_update_back_dep instead of add_dependence.
6200 Create control speculative dependencies.
6201 (schedule_insns): Initialize current_sched_info before the sched_init
6204 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6206 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6208 (sh_fallback_frame_state): Likewise.
6210 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6212 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6213 Do switch on default_use_cxa_atexit.
6214 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6215 * config/darwin-crt3.o: New.
6216 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6217 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6218 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6220 * config/rs6000/t-darwin: Move crt2.o building to here.
6221 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6222 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6225 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6227 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6228 from '! xxx' to '!xxx' for coding-style conformance.
6229 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6230 (EXTRA_CONSTRAINT): Likewise.
6231 * config/vax/vax.md (four unnamed insns): Likewise.
6233 2006-03-15 Paul Brook <paul@codesourcery.com>
6235 * config/arm/arm.c (minipool_pad): New.
6236 (add_minipool_forward_ref): Include pool alignment padding in address
6238 (push_minipool_fix): Set minipool_pad.
6239 (minipool_pad): Ditto.
6241 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6243 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6244 instead of GET_CODE() == MEM and REG_P() instead of
6246 (print_operand_address): Likewise.
6247 (vax_address_cost): Likewise.
6248 (vax_rtx_costs): Likewise.
6249 (vax_notice_update_cc): Likewise.
6250 (vax_output_int_add): Likewise.
6251 (INDEX_REGISTER_P): Likewise.
6252 (BASE_REGISTER_P): Likewise.
6253 (nonindexed_address_p): Likewise.
6254 (vax_mode_dependent_address_p): Likewise.
6255 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6256 (PRINT_OPERAND): Likewise.
6257 * config/vax/vax.md (ashlsi3): Likewise.
6258 (ashlsi3): Likewise.
6259 (some more unnamed insns): Likewise.
6261 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6263 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6264 iterator-style macro.
6265 (mark_control_dependent_edges_necessary): Update the use of
6266 EXECUTE_IF_CONTROL_DEPENDENT.
6268 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6270 * config/sh/predicates.md (cache_address_operand): Special.
6271 (ua_address_operand): Likewise.
6273 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6275 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6277 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6279 2006-03-15 Andreas Schwab <schwab@suse.de>
6281 * gensupport.c (identify_predicable_attribute): Don't free p_false
6282 when it is still in use.
6284 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6286 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6287 the default setting here.
6289 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6291 * tree-pass.h (pass_cfg): Remove.
6292 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6293 * passes.c (pass_cfg): Don't run it.
6295 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6297 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6298 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6300 (stack_regs_mentioned): Update the uses of
6301 stack_regs_mentioned_data. Don't access the array beyond its
6303 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6304 Don't include gt-reg-stack.h.
6306 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6307 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6309 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6312 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6315 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6317 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6319 2006-03-14 Richard Guenther <rguenther@suse.de>
6321 PR tree-optimization/26672
6322 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6325 2006-03-14 Richard Guenther <rguenther@suse.de>
6327 PR tree-optimization/26667
6328 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6329 node for the callees. Always allow inlining if it will shrink
6332 2006-03-14 Richard Guenther <rguenther@suse.de>
6335 * builtins.c (get_pointer_alignment): Prefer alignment
6336 information from decls over that from types.
6338 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6341 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6343 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6345 * config/rs6000/rs6000.opt (mdlmzb): New option.
6346 (msched-prolog, msched-epilog): Use Var not Mask.
6347 * doc/invoke.texi (-mdlmzb): Document.
6348 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6350 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6351 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6353 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6355 PR rtl-optimization/25739
6356 * bt-load.c (augment_live_range): Free tos pointer.
6358 * gensupport.c (identify_predicable_attribute): Free
6360 * gcov.c (create_file_names): Free name pointer.
6362 2006-03-13 Roger Sayle <roger@eyesopen.com>
6365 * stmt.c (emit_case_nodes): Handle the case where the index is a
6366 CONST_INT, where the comparison mode is specified by the index type.
6368 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6370 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6373 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6375 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6376 (*branch_fp_inverted): Likewise.
6378 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6381 * omp-low.c (expand_omp_for_generic): Mark istart0
6382 and iend0 as addressable.
6384 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6386 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6388 2006-03-13 Jeff Law <law@redhat.com>
6390 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6391 virtual operands are interesting.
6392 (vrp_visit_stmt): Corresponding changes.
6394 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6396 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6398 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6399 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6400 * config/bfin/crti.S: Use it instead of __PIC__.
6401 * config/bfin/crtn.S: Likewise.
6403 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6404 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6406 Lose 'G' modifier for call operand.
6407 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6408 recognize 'G' modifier.
6410 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6413 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6414 * stmt.c (expand_case): Likewise.
6416 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6418 PR rtl-optimization/26254
6419 * loop-invariant.c (seq_insns_valid_p): New function.
6420 (move_invariant_reg): Only emit new code if it is valid.
6422 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6424 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6426 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6427 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6428 (commit_one_edge_insertion): Do not look for loop notes.
6430 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6432 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6433 flag_test_coverage out of loop.
6435 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6437 * final.c (shorten_branches): Remove outdated comment, and turn
6438 the if branch that guards it to continue.
6440 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6442 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6443 * cfgloop.h (struct loop): Remove unused fields.
6445 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6447 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6448 (-dL, -fdump-rtl-loop2): Update the dump file names
6450 * doc/invoke.texi: Update dump file names.
6452 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6454 * predict.c (estimate_probability): Remove.
6455 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6456 * basic-block.h (estimate_probability): Remove prototype.
6457 * passes.c (finish_optimization_passes): Dump branch prediction or
6458 profiling heuristics to the .profile tree dump.
6459 (init_optimization_passes): Unqueue pass_branch_prob.
6461 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6463 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6465 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6466 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6468 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6470 * function.h (frame_offset_overflow): Declare.
6471 * function.c (frame_offset_overflow): New function.
6472 (assign_stack_local_1): Call it to detect that the offset overflows.
6473 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6475 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6477 * config/sh/sh.c: Include alloc-pool.h.
6478 (label_ref_list_pool): New alloc pool.
6479 (label_ref_list_t): New type for lists of labels.
6480 (struct pool_node): Make wend a label_ref_list_t.
6481 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6483 (dump_table): Likewise.
6484 (sh_reorg): Set up the alloc pool before using add_constant and
6485 dump_table, and destroy it when finishing.
6487 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6489 * config/mips/mips.c: Remove redundant comment.
6491 2006-03-10 Jason Merrill <jason@redhat.com>
6494 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6495 the target was declared 'register'.
6497 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6499 * genpreds.c (write_insn_constraint_len): Change definition of
6500 insn_constraint_len to return size_t to match the declaration.
6502 2006-03-10 DJ Delorie <dj@redhat.com>
6504 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6506 (m32c_expand_insv): Fix test for an AND mask.
6508 2006-03-10 Richard Guenther <rguenther@suse.de>
6511 * builtins.c (get_pointer_alignment): Handle component
6512 references for field alignment.
6514 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6516 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6517 when building with libgloss.
6518 (sh*elf): Implement --without-fp option.
6519 (sh64-superh-linux*): Don't multilib.
6521 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6523 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6525 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6527 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6528 Set it when one of the replacement functions returned true.
6529 Return TODO_cleanup_cfg if cfgchanged is true.
6530 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6532 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6534 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6535 instead of gen_lowpart.
6537 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6539 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6541 (mips_output_order_conditional_branch): Declare.
6542 * config/mips/mips.h (MIPS_BRANCH): New macro.
6543 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6544 for the comparison. Use gen_condjump.
6545 (mips_output_conditional_branch): Rework interface to take the
6546 asm templates for a direct branch and the inverse of a direct branch.
6547 (mips_output_order_conditional_branch): New function.
6548 (mips_builtin_branch_and_move): New function.
6549 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6550 branch condition. Use gen_single_cc as the condition for
6551 __builtin_mips_upper_* or __builtin_mips_lower_*.
6552 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6553 Use VOIDmode for the branch condition.
6554 * config/mips/predicates.md (order_operator): New predicate.
6555 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6556 (branch_fp): Rename to...
6557 (*branch_fp): ...this. Remove mode from comparison operator.
6558 Use new mips_output_conditional_branch interface.
6559 (branch_fp_inverted): Rename to...
6560 (*branch_fp_inverted): ...this and update as for *branch_fp.
6561 (*branch_zero<mode>): Rename to...
6562 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6563 Use mips_output_order_conditional_branch. Only accept ordered
6565 (*branch_zero<mode>_inverted): Rename to...
6566 (*branch_order<mode>_inverted): ...this and update as for
6567 *branch_order<mode>.
6568 (*branch_equality<mode>): Accept zero as the second operand to
6569 the equality operator. Use the new mips_output_conditional_branch
6571 (*branch_equality<mode>_inverted): Likewise.
6572 (condjump): New expander.
6573 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6575 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6576 (bc1any2t, bc1any2f): Likewise.
6577 (single_cc): New expander.
6578 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6580 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6582 * doc/md.texi: Update documentation of MIPS constraints.
6583 * config/mips/constraints.md: New file.
6584 * config/mips/mips.md: Include it.
6585 * config/mips/mips.c (mips_char_to_class): Delete.
6586 (override_options): Don't initialize mips_char_to_class.
6587 * config/mips/mips.h (mips_char_to_class): Delete.
6588 (REG_CLASS_FROM_LETTER): Delete.
6589 (CONST_OK_FOR_LETTER_P): Delete.
6590 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6591 (EXTRA_CONSTRAINT_Y): Delete.
6592 (EXTRA_CONSTRAINT_STR): Delete.
6593 (CONSTRAINT_LEN): Delete.
6594 (EXTRA_MEMORY_CONSTRAINT): Delete.
6596 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6598 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6599 original fn's eh regions.
6601 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6603 * fold-const.c (build_range_check): Make sure to use a valid type to
6604 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6607 (range_predecessor): New static function.
6608 (range_successor): Likewise.
6609 (merge_ranges): Use them to compute predecessors and successors of
6612 2006-03-09 Roger Sayle <roger@eyesopen.com>
6615 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6616 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6618 2006-03-08 DJ Delorie <dj@redhat.com>
6620 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6621 (addpsi3): Expand to include memory operands. Remove
6622 reload-specific splits.
6623 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6624 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6625 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6626 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6627 (shift1_qi, shift1_hi, insv): New.
6628 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6629 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6630 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6632 * config/m32c/m32c-protos.h: Update as needed.
6633 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6634 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6635 Fail for unrecognized R* constraints.
6636 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6637 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6638 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6640 (m32c_init_libfuncs): New.
6641 (m32c_legitimate_address_p): Add debug wrapper.
6642 (m32c_rtx_costs): New.
6643 (m32c_address_cost): New.
6644 (conversions): Add 'B' prefix.
6645 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6646 operands, or word regnames for QI operands. 'B' prints bit
6648 (m32c_expand_setmemhi): New.
6649 (m32c_expand_movmemhi): New.
6650 (m32c_expand_movstr): New.
6651 (m32c_expand_cmpstr): New.
6652 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6653 (m32c_expand_neg_mulpsi3): Handle non-ints.
6654 (m32c_cmp_flg_0): New.
6655 (m32c_expand_movcc): New.
6656 (m32c_expand_insv): New.
6657 (m32c_scc_pattern): New.
6658 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6659 a0/a1 out of SIregs.
6660 (STORE_FLAG_VALUE): New.
6661 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6664 * config/m32c/mov.md: Make constraints more liberal.
6665 (zero_extendqihi2): Optimize r0/r1 case.
6666 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6667 * config/m32c/predicates.md (m32c_any_operand): New.
6668 (m32c_nonimmediate_operand): New.
6669 (m32c_hl_operand): New.
6670 (m32c_r3_operand): New.
6673 (memsym_operand): New.
6674 (memimmed_operand): New.
6675 (a_qi_operand): New.
6676 (m32c_eqne_operator): New.
6677 (m32c_1bit8_operand): New.
6678 (m32c_1bit16_operand): New.
6679 (m32c_1mask8_operand): New.
6680 (m32c_1mask16_operand): New.
6681 * config/m32c/blkmov.md: New file.
6682 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6684 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6686 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6687 unsigned to fix signed/unsigned comparison issue in
6688 DWARF2_FRAME_REG_OUT.
6689 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6690 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6692 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6693 of ptr into the ENABLE_CHECKING section.
6695 2006-03-08 Jeff Law <law@redhat.com>
6697 * tree-vrp.c (infer_value_range): Only count pointer uses
6698 and dereferences if -fdelete-null-pointer-checks is enabled.
6700 * tree-vrp.c (find_assert_locations): Infer value ranges for
6701 single use pointers, but do not create ASSERT_EXPRs for them.
6702 When a non-null range is inferred for a pointer, backwards
6703 propagate that range to other equivalent pointers through the
6706 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6709 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6710 language hook targets.
6711 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6712 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6713 if language hook targets were missing.
6715 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6717 * tree-ssa-opfinalize.h: Removed.
6718 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6720 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6721 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6722 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6723 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6724 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6725 finalize_ssa_v_must_def_ops): New.
6727 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6729 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6732 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6734 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6736 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6737 addresses with offsets; reorganize.
6739 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6740 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6741 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6743 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6746 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6748 2006-03-08 Ben Elliston <bje@au.ibm.com>
6750 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6752 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6755 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6758 2006-03-07 Richard Guenther <rguenther@suse.de>
6760 PR tree-optimization/26587
6761 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6763 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6765 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6767 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6769 * hooks.c (hook_bool_mode_rtx_true): New function.
6770 * hooks.h (hook_bool_mode_rtx_true): Declare.
6771 * toplev.c (compile_file): Call output_shared_constant_pool.
6772 * varasm.c (shared_constant_pool): New variable.
6773 (assemble_start_function, assemble_end_function): Remove arguments
6774 from call to output_constant_pool.
6775 (create_constant_pool): New function, split out from...
6776 (init_varasm_status): ...here.
6777 (force_const_mem): Choose between the shared and per-function constant
6778 pools. Set current_function_uses_const_pool when reusing old entries
6779 as well as when creating new ones.
6780 (mark_constant): Ignore data argument.
6781 (mark_constants): Remove pool argument.
6782 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6783 to decide whether the function uses a constant pool.
6784 (output_constant_pool_contents): New function, split out from...
6785 (output_constant_pool): ...here.
6786 (output_shared_constant_pool): New function.
6787 (init_varasm_once): Initialize shared_constant_pool.
6788 * output.h (output_constant_pool): Delete.
6789 (output_shared_constant_pool): Declare.
6790 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6791 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6793 2006-03-06 Nick Clifton <nickc@redhat.com>
6795 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6796 flag_strength_reduce.
6798 2006-03-06 Ben Elliston <bje@au.ibm.com>
6800 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6801 x86_64-*-linux* configurations.
6803 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6804 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6806 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6808 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6810 * basic-block.h: Remove the extern for
6811 rediscover_loops_after_threading.
6813 * cfgloop.c (cancel_loop): Make it static.
6814 * cfgloop.h: Remove the prototype for cancel_loop.
6816 * flow.c (recompute_reg_usage): Make it static.
6817 * rtl.h: Remove the prototype for recompute_reg_usage.
6819 * function.c (use_return_register): Make it static.
6820 * function.h: Remove the prototype.
6822 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6824 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6826 * recog.h: Remove the prototype for
6827 validate_change_maybe_volatile.
6829 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6831 * rtlanal.c (replace_reg): Remove.
6832 * rtl.h: Remove the prototype for replace_reg.
6834 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6836 * regclass.c (reg_scan_update): Remove.
6837 (reg_scan_mark_refs): Remove the last argument.
6838 * rtl.h: Remove the prototype for reg_scan_update.
6840 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6842 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6843 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6844 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6845 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6846 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6847 loop-invariant.c, omp-low.c, opts.c, passes.c,
6848 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6849 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6850 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6851 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6852 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6853 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6855 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6857 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6858 * dwarf2out.h: Remove the prototype for
6859 dwarf2out_add_library_unit_info.
6861 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6863 * tree.c (add_var_to_bind_expr): Remove.
6864 * tree.h: Remove the prototype for add_var_to_bind_expr.
6866 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6868 * regclass.c (n_non_fixed_regs): Remove.
6869 (init_reg_sets_1, globalize_reg): Remove all uses of
6871 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6873 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6875 * rtlanal.c (insns_safe_to_move_p): Remove.
6876 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6878 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6880 * expmed.c (expand_mult_add): Remove.
6881 * expr.h: Remove the prototype for expand_mult_add.
6883 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6885 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6886 and REG_SAVED_VAL_EXP constants.
6887 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6888 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6889 Handle regs stored by value.
6890 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6891 (execute_cfa_program): Handle DW_CFA_val_offset,
6892 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6893 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6894 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6895 (uw_install_context_1): Handle target regs stored by value.
6897 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6899 * tree-sra.c (tree_sra): Return todoflags;
6900 (generate_one_element): Set TODO_update_smt_usage if needed.
6901 (pass_sra): Remove TODO_update_smt_usage.
6902 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6904 (tree_ssa_forward_propagate_single_use_vars): Return
6905 TODO_update_smt_usage if we need to update SMT usage.
6906 (pass_forwprop): Remove TODO_update_smt_usage.
6908 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6910 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6911 (correct_use_link): Remove reference to get_stmt_operands.
6912 (update_stmt_operands): Likewise.
6913 (get_modify_expr_operands): New function factored out of
6914 parse_ssa_operands and get_expr_operands.
6915 Try to create V_MUST_DEFs for LHS by default.
6916 (get_expr_operands) <case MODIFY_EXPR>: Call
6917 get_modify_expr_operands.
6918 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6919 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6920 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6921 get_modify_expr_operands.
6923 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6925 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6926 * tree-flow.h: Remove the prototype for
6927 referenced_var_lookup_if_exists.
6929 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6931 PR rtl-optimization/26345
6933 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6935 2006-03-03 Roger Sayle <roger@eyesopen.com>
6937 PR tree-optimization/26524
6938 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6939 fold_convert to create a constant of the appropriate type.
6941 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6943 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6944 SYMBOL_REF_IN_BLOCK_P.
6945 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6946 of SYMBOL_FLAG_IN_BLOCK.
6947 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6948 instead of SYMBOL_REF_IN_BLOCK_P.
6949 * explow.c (use_anchored_address): Likewise.
6950 * rtl.c (rtx_size): Likewise.
6951 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6952 instead of SYMBOL_FLAG_IN_BLOCK.
6953 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6954 SYMBOL_REF_IN_BLOCK_P.
6955 (assemble_variable): Likewise.
6956 (output_constant_def_contents): Likewise.
6957 (output_constant_pool): Likewise.
6958 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6959 instead of SYMBOL_FLAG_IN_BLOCK.
6960 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6961 SYMBOL_REF_IN_BLOCK_P.
6962 (SYMBOL_REF_BLOCK): Likewise.
6963 (SYMBOL_REF_OFFSET): Likewise.
6964 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6965 SYMBOL_REF_IN_BLOCK_P.
6966 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6967 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6968 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6969 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6971 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6973 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6975 2006-03-02 Roger Sayle <roger@eyesopen.com>
6977 * simplify-rtx.c (simplify_unary_operation): When simplifying
6978 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6979 that we perform the right shift in the appropriate mode, and
6980 then extend or truncate the result to requested mode.
6982 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6984 * gengtype.c (main): Handle double_int type.
6985 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6986 * double-int.c: New file.
6987 * double-int.h: New file.
6988 * system.h: Include doubleint.h.
6989 * Makefile.in (SYSTEM_H): Include double-int.h.
6990 (double-int.o): Add.
6992 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6995 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6998 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7000 * tree-vrp.c (remove_range_assertions): Do not update statements
7003 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7005 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7007 * gcse.c (rest_of_handle_gcse): Ditto.
7008 * except.c (gate_handle_eh): Ditto.
7009 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7010 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7012 2006-03-02 Eric Christopher <echristo@apple.com>
7014 * config/i386/i386.c (machopic_output_stub): Add indirection to
7017 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7021 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7023 Sun Niagara specific optimizations.
7024 * config.gcc: Recognize niagara as target.
7025 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7026 (TARGET_CPU_niagara): Define.
7027 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7028 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7029 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7030 (ASM_CPU_SPEC): Likewise.
7031 (PROCESSOR_NIAGARA): New enum entry.
7032 (REGISTER_MOVE_COST): Handle Niagara.
7033 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7034 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7035 (sparc_override_options): Recognize "niagara", set appropriate
7036 default MASK_* values for it, and align functions to 32-bytes
7037 by default just like ULTRASPARC/ULTRASPARC3.
7038 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7039 (sparc64_initialize_trampoline): Likewise.
7040 (sparc_use_sched_lookahead): Use zero for niagara.
7041 (sparc_issue_rate): Use one for niagara.
7042 * config/sparc/niagara.md: New file.
7043 * config/sparc/sparc.md: Include it.
7044 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7045 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7046 when default cpu is niagara.
7047 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7048 (ASM_CPU_SPEC): Likewise.
7049 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7050 when default cpu is niagara.
7051 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7052 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7053 just like v9/ultrasparc/ultrasparc3.
7054 * doc/invoke.texi: Add documentation for "niagara" and improve
7055 existing documentation for ultrasparc variants.
7057 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7059 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7061 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7063 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7064 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7065 and say that only one is needed.
7066 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7067 * target.h (have_switchable_bss_sections): New hook.
7068 * explow.c (use_anchored_address): Check that the symbol is in a block.
7069 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7070 (bss_noswitch_section): New variables.
7071 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7072 (get_noswitch_section): New function.
7073 (get_block_for_section): Allow SECT to be null.
7074 (unlikely_text_section_p): Use SECTION_STYLE.
7075 (bss_initializer_p): New function.
7076 (get_variable_section): Move earlier in file. Take a new argument,
7077 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7078 Return one of the new *_sections in such cases.
7079 (get_block_for_decl): New function, extracting some logic from
7080 use_blocks_for_decl_p.
7081 (change_symbol_section): Remove in favor of...
7082 (change_symbol_block): ...this new function.
7083 (use_blocks_for_decl_p): Remove checks now performed by
7085 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7086 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7087 (emit_local, emit_bss, emit_common): ...these new functions.
7088 Return true if the alignment was honored.
7089 (emit_tls_common): New function.
7090 (asm_emit_uninitialised): Delete.
7091 (assemble_variable_noswitch): New function, split out from...
7092 (assemble_variable): ...here. Don't make decisions about common
7093 variables here. Globalize all public decls that go into non-common
7094 sections. Check whether SYMBOL_REF_BLOCK is null.
7095 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7096 (output_constant_pool): Likewise.
7097 (init_varasm_once): Initialize the new section variables.
7098 (have_global_bss_p): New function.
7099 (categorize_decl_for_section): Use bss_initializer_p.
7100 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7101 (place_block_symbol): Assert that the symbol must be in a block.
7102 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7103 (TARGET_INITIALIZER): Include it.
7104 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7105 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7106 (SECTION_MACH_DEP): Bump by two.
7107 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7108 (unnamed_section): Mention SECTION_UNNAMED in comment.
7109 (named_section): Likewise SECTION_NAMED.
7110 (noswitch_section_callback): New type.
7111 (noswitch_section): New structure.
7112 (section): Add a noswitch_section alternative.
7113 (SECTION_STYLE): New macro.
7114 (tls_comm_section, comm_section, lcomm_section): Declare.
7115 (bss_noswitch_section, have_global_bss_p): Declare.
7116 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7117 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7119 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7120 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7123 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7125 * tree-vrp.c (execute_vrp): Return value.
7126 * regrename.c (rest_of_handle_regrename): Ditto.
7127 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7128 * tree-complex.c (tree_lower_complex): Ditto.
7129 (tree_lower_complex_O0): Ditto.
7130 * tracer.c (rest_of_handle_tracer): Ditto.
7131 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7132 * postreload.c (rest_of_handle_postreload): Ditto.
7133 * tree-tailcall.c (execute_tail_recursion): Ditto.
7134 (execute_tail_calls): Ditto.
7135 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7136 * tree.h (init_function_for_compilation): Ditto.
7137 * ipa-cp.c (ipcp_driver): Ditto.
7138 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7139 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7140 * final.c (compute_alignments): Ditto.
7141 (rest_of_handle_final): Ditto.
7142 (rest_of_handle_shorten_branches): Ditto.
7143 (rest_of_clean_state): Ditto.
7144 * omp-low.c (execute_expand_omp): Ditto.
7145 (execute_lower_omp): Ditto.
7146 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7147 * ipa-reference.c (static_execute): Ditto.
7148 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7149 * reorg.c (rest_of_handle_delay_slots): Ditto.
7150 (rest_of_handle_machine_reorg): Ditto.
7151 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7152 * flow.c (recompute_reg_usage): Ditto.
7153 (rest_of_handle_remove_death_notes): Ditto.
7154 (rest_of_handle_life): Ditto.
7155 (rest_of_handle_flow2): Ditto.
7156 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7157 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7158 (do_ssa_store_ccp): Ditto.
7159 (execute_fold_all_builtins): Ditto.
7160 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7161 * modulo-sched.c (rest_of_handle_sms): Ditto.
7162 * ipa-pure-const.c (static_execute): Ditto.
7163 * cse.c (rest_of_handle_cse): Ditto.
7164 (rest_of_handle_cse2): Ditto.
7165 * web.c (rest_of_handle_web): Ditto.
7166 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7167 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7168 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7169 * tree-nrv.c (tree_nrv): Ditto.
7170 (execute_return_slot_opt): Ditto.
7171 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7172 (create_structure_vars): Ditto.
7173 * loop-init.c (rtl_loop_init): Ditto.
7174 (rtl_loop_done): Ditto.
7175 (rtl_move_loop_invariants): Ditto.
7176 (rtl_unswitch): Ditto.
7177 (rtl_unroll_and_peel_loops): Ditto.
7178 (rtl_doloop): Ditto.
7179 * gimple-low.c (lower_function_body): Ditto.
7180 (mark_used_blocks): Ditto.
7181 * tree-ssa-sink.c (execute_sink_code): Ditto.
7182 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7183 (cgraph_early_inlining): Ditto.
7184 * global.c (rest_of_handle_global_alloc): Ditto.
7185 * jump.c (cleanup_barriers): Ditto.
7186 (purge_line_number_notes): Ditto.
7187 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7188 (rest_of_handle_if_after_reload): Ditto.
7189 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7190 (tree_ssa_loop_im): Ditto.
7191 (tree_ssa_loop_unswitch): Ditto.
7192 (tree_vectorize): Ditto.
7193 (tree_linear_transform): Ditto.
7194 (tree_ssa_loop_ivcanon): Ditto.
7195 (tree_ssa_empty_loop): Ditto.
7196 (tree_ssa_loop_bounds): Ditto.
7197 (tree_complete_unroll): Ditto.
7198 (tree_ssa_loop_prefetch): Ditto.
7199 (tree_ssa_loop_ivopts): Ditto.
7200 (tree_ssa_loop_done): Ditto.
7201 * predict.c (tree_estimate_probability): Ditto.
7202 * recog.c (split_all_insns_noflow): Ditto.
7203 (rest_of_handle_peephole2): Ditto.
7204 (rest_of_handle_split_all_insns): Ditto.
7205 * tree-eh.c (lower_eh_constructs): Ditto.
7206 * regmove.c (rest_of_handle_regmove): Ditto.
7207 (rest_of_handle_stack_adjustments): Ditto.
7208 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7209 * function.c (instantiate_virtual_regs): Ditto.
7210 (init_function_for_compilation): Ditto.
7211 (rest_of_handle_check_leaf_regs): Ditto.
7212 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7213 (rest_of_handle_gcse): Ditto.
7214 * ipa-type-escape.c (type_escape_execute): Ditto.
7215 * alias.c (rest_of_handle_cfg): Ditto.
7216 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7217 * profile.c (rest_of_handle_branch_prob): Ditto.
7218 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7219 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7220 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7221 * tree-dfa.c (find_referenced_vars): Ditto.
7222 * except.c (set_nothrow_function_flags): Ditto.
7223 (convert_to_eh_region_ranges): Ditto.
7224 (rest_of_handle_eh): Ditto.
7225 * emit-rtl.c (unshare_all_rtl): Ditto.
7226 (remove_unnecessary_notes): Ditto.
7227 * except.h (set_nothrow_function_flags): Ditto.
7228 (convert_to_eh_region_ranges): Ditto.
7229 * cfgexpand.c (tree_expand_cfg): Ditto.
7230 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7231 * tree-ssa-pre.c (do_pre): Ditto.
7232 (execute_fre): Ditto.
7233 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7234 (rest_of_handle_jump2): Ditto.
7235 * tree-sra.c (tree_sra): Ditto.
7236 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7237 (execute_mudflap_function_decls): Ditto.
7238 * tree-ssa-copy.c (do_copy_prop): Ditto.
7239 (do_store_copy_prop): Ditto.
7240 * ipa-prop.h (ipcp_driver): Ditto.
7241 * cfglayout.c (insn_locators_initialize): Ditto.
7242 * tree-ssa-forwprop.c
7243 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7244 * cfglayout.h (insn_locators_initialize): Ditto.
7245 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7246 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7247 (execute_late_warn_uninitialized): Ditto.
7248 * rtl.h (cleanup_barriers): Ditto.
7249 (split_all_insns_noflow): Ditto.
7250 (purge_line_number_notes): Ditto.
7251 (unshare_all_rtl): Ditto.
7252 (remove_unnecessary_notes): Ditto.
7253 (recompute_reg_usage): Ditto.
7254 (variable_tracking_main): Ditto.
7255 * integrate.c (emit_initial_value_sets): Ditto.
7256 * integrate.h (emit_initial_value_sets): Ditto.
7257 * tree-optimize.c (execute_free_datastructures): Ditto
7258 (execute_free_cfg_annotations): Ditto.
7259 (execute_fixup_cfg): Ditto.
7260 (execute_cleanup_cfg_pre_ipa): Ditto.
7261 (execute_cleanup_cfg_post_optimizing): Ditto.
7262 (execute_init_datastructures): Ditto.
7263 * tree-object-size.c (compute_object_sizes): Ditto.
7264 * combine.c (rest_of_handle_combine): Ditto.
7265 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7266 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7267 (rest_of_handle_reorder_blocks): Ditto.
7268 (rest_of_handle_partition_blocks): Ditto.
7269 * var-tracking.c (variable_tracking_main): Ditto.
7270 * tree-profile.c (tree_profiling): Ditto.
7271 * tree-vect-generic.c (expand_vector_operations): Ditto.
7272 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7273 * sched-rgn.c (rest_of_handle_sched): Ditto.
7274 (rest_of_handle_sched2): Ditto.
7275 * basic-block.h (free_bb_insn): Ditto.
7276 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7277 * tree-cfg.c (execute_build_cfg): Ditto.
7278 (remove_useless_stmts): Ditto.
7279 (split_critical_edges): Ditto.
7280 (execute_warn_function_return): Ditto.
7281 (execute_warn_function_noreturn): Ditto.
7282 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7283 * cfgrtl.c (free_bb_for_insn): Ditto.
7284 * passes.c (execute_one_pass): Run additional
7285 todos returned by execute function.
7286 * tree-pass.h (struct tree_opt_pass): Make execute
7289 2006-03-02 Richard Guenther <rguenther@suse.de>
7291 * tree-ssa-alias.c (find_used_portions): Consider taking
7292 the address as making the variable not write-only.
7294 2006-03-02 Nick Clifton <nickc@redhat.com>
7296 * config.gcc (default_use_cxa_atexit): Extend the description of
7297 this configure variable. Set its default value to "yes" for
7298 Linux, NetBSD and ELF targets on the assumption that they will
7299 use C libraries with the __cxa_atexit function.
7301 2006-03-02 Ben Elliston <bje@au.ibm.com>
7303 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7304 parameter as unused to suppress a build warning.
7306 2006-03-02 Ben Elliston <bje@au.ibm.com>
7308 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7311 2006-03-01 Roger Sayle <roger@eyesopen.com>
7314 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7315 declared name, the weak reference name, and the typeof name.
7316 (__gthrw): Avoid expanding the declared name suffix.
7317 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7319 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7321 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7323 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7324 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7325 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7326 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7327 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7328 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7329 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7330 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7331 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7332 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7333 (DW_END_default, DW_END_big, DW_END_little): New.
7334 (DW_END_lo_user, DW_END_hi_user): Define.
7335 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7336 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7337 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7340 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7342 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7344 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7346 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7348 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7350 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7351 to 'symbol_mem_tag'.
7353 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7356 2006-03-01 Roger Sayle <roger@eyesopen.com>
7358 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7360 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7363 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7364 MACHO_DYNAMIC_NO_PIC_P.
7365 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7367 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7370 * config/darwin-protos.h (darwin_asm_output_anchor):
7372 * config/darwin-sections.def (cstring_section):
7373 Add SECTION_MERGE to the flags.
7374 (literal4_section): Likewise.
7375 (literal8_section): Likewise.
7376 (objc_selector_refs_section): Likewise.
7377 (objc_cls_refs_section): Likewise.
7378 * config/darwin.c (darwin_asm_output_anchor): New
7380 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7382 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7384 Fix PR tree-optimization/26443
7385 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7386 to todo and PROP_tmt_usage to properties_destroyed.
7387 * tree-ssa-ccp.c (pass_ccp): Ditto.
7388 (pass_store_ccp): Ditto.
7389 * tree-ssa-dom.c (pass_dominator): Ditto.
7391 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7393 * tree-ssa-operands.c: Cleanup whitespace.
7394 (get_asm_expr_operands): Move before first invocation.
7395 (get_indirect_ref_operands): Likewise.
7396 (get_tmr_operands): Likewise.
7397 (get_call_expr_operands): Likewise.
7398 (append_def): Likewise.
7399 (append_use): Likewise.
7400 (append_v_may_def): Likewise.
7401 (append_v_must_def): Likewise.
7402 (add_call_clobber_ops): Likewise.
7403 (add_call_read_ops): Likewise.
7404 (add_stmt_operand): Likewise.
7405 (add_virtual_operand): Likewise.
7406 (build_ssa_operands): Likewise.
7408 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7413 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7414 with a call expr to ...
7415 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7417 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7419 * tree-vrp.c (extract_range_from_assert): Remove special
7420 handling for types with super-types.
7422 2006-03-01 Ben Elliston <bje@au.ibm.com>
7424 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7425 and powerpc64-*-linux* configurations.
7426 * config/t-dfprules: New file.
7428 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7429 Compile dfp-bit.c from the source directory using -DWIDTH and
7430 $DFP_CFLAGS to control the compilation of that file, rather than
7431 generating width-specific versions in the build directory.
7432 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7433 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7435 2006-02-28 Zack Weinberg <zackw@panix.com>
7437 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7440 2006-02-28 Eric Christopher <echristo@apple.com>
7442 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7443 Set up IN_LIBGCC definition of TARGET_64BIT.
7444 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7446 2006-02-28 Roger Sayle <roger@eyesopen.com>
7449 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7450 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7451 cases via the construction of "expr != 0".
7453 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7455 * alias.c (alias_invariant, alias_invariant_size): Remove.
7456 (record_base_value): Remove.
7457 (memrefs_conflict_p): Don't look at alias_invariant.
7458 (end_alias_analysis): Don't free it.
7459 * alias.h (record_base_value): Remove prototype.
7461 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7462 Adam Nemet <anemet@caviumnetworks.com>
7464 * rtl.h (truncated_to_mode): Declare it.
7465 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7466 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7467 (RTL_HOOKS_INITIALIZER): Include it.
7468 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7469 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7470 reg_truncated_to_mode.
7471 * rtlanal.c (truncated_to_mode): Define it.
7472 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7474 2006-02-28 Jeff Law <law@redhat.com>
7476 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7477 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7478 the range allowed by TYPE_PRECISION.
7480 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7482 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7484 PR tree-optimization/26419
7485 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7488 2006-02-27 Zack Weinberg <zackw@panix.com>
7490 * doc/md.texi: Fix typo in previous change.
7492 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7496 2006-02-27 Zack Weinberg <zackw@panix.com>
7498 * rtl.def (define_constraint, define_register_constraint)
7499 (define_memory_constraint, define_address_constraint): New MD forms.
7500 * gensupport.c (process_rtx): Put define_constraint etc on the
7502 * genpreds.c (process_define_predicate): Adjust comment. Validate
7503 the name, and call validate_exp to validate the expression.
7504 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7505 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7506 all callers changed.
7507 (validate_exp, needs_variable, struct constraint_data)
7508 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7509 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7510 (const_dbl_constraints, constraint_max_namelen)
7511 (have_register_constraints, have_memory_constraints)
7512 (have_address_constraints, have_address_constraints)
7513 (have_extra_constraints, have_const_int_constraints)
7514 (have_const_dbl_constraints, mangle, add_constraint)
7515 (process_define_constraint, process_define_register_constraint)
7516 (write_enum_constraint_num, write_lookup_constraint)
7517 (write_insn_constraint_len, write_regclass_for_constraint)
7518 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7519 (write_insn_extra_memory_constraint)
7520 (write_insn_extra_address_constraint)
7521 (write_satisfies_constraint_fns): New.
7522 (write_tm_preds_h): If we have new-style constraint definitions,
7523 prototype the functions generated from them, and define the
7524 old constraint interface (still used by generic code) in terms of
7526 (write_insn_preds_c): If we have new-style constraint definitions,
7527 generate all relevant functions from those definitions.
7528 (main): Handle define_constraint etc.
7529 * genoutput.c (struct constraint_data, indep_constraints)
7530 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7531 (mdep_constraint_len): New data structures and functions, defined
7532 #ifdef USE_MD_CONSTRAINTS.
7533 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7534 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7535 use new logic to validate operand constraints against constraint
7537 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7539 * defaults.h: If none of the old-style constraint macros are
7540 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7541 old-style macros; and poison REG_CLASS_FROM_LETTER,
7542 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7544 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7545 * doc/md.texi: Document new constraint-definition mechanism and the
7546 C interface it provides. Remove references to old mechanism
7547 elsewhere in the document.
7548 (Machine Constraints): Use pathnames relative to gcc directory,
7549 i.e. config/ARCH/FILE. Change i386 section to refer to
7550 config/i386/predicates.md; update that section to match docstrings.
7551 * doc/tm.texi: Move all documentation of the old constraint-
7552 definition macros to their own section, clearly mark as obsolete.
7554 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7555 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7557 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7558 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7559 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7561 (splits and peepholes): Use satisfies_constraint_*.
7562 * config/i386/i386.c (memory_address_length)
7563 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7565 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7567 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7568 scalar operation to be put back into the loop.
7570 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7573 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7574 (extract_cie_info): Handle S flag in augmentation string.
7575 (execute_cfa_program): If context->signal_frame, execute also
7576 fs->pc == context->ra instructions.
7577 (uw_frame_state_for): If context->signal_frame, don't subtract one
7578 from context->ra to find FDE.
7579 (uw_update_context_1): Set context->signal_frame to
7581 (_Unwind_GetIPInfo): New function.
7582 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7583 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7585 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7586 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7587 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7588 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7589 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7590 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7591 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7592 x86_64_fallback_frame_state): Set fs->signal_frame.
7593 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7594 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7595 (frob_update_context): Likewise. Workaround missing S flag in
7596 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7597 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7598 Remove the psw_addr + 1 hack.
7600 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7602 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7603 with aggregates here.
7604 (find_func_aliases): Remove code for &<aggregate> from here.
7606 2006-02-26 Roger Sayle <roger@eyesopen.com>
7608 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7609 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7610 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7613 2006-02-26 Roger Sayle <roger@eyesopen.com>
7616 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7618 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7620 * opts.c (decode_options): Do not handle flag_strength_reduce.
7621 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7622 and OPT_fstrength_reduce.
7623 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7624 flag_prefetch_loop_arrays for being nonzero.
7625 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7627 (fprefetch-loop-arrays-rtl): Removed.
7628 (flag_prefetch_loop_arrays): Do not specify the value.
7630 * doc/passes.texi: Update documentation of loop optimizer
7632 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7633 -frerun-loop-opt): Remove.
7635 2006-02-26 Richard Guenther <rguenther@suse.de>
7637 PR tree-optimization/26421
7638 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7639 in function calls that are ADDR_EXPRs as using the whole structure.
7641 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7643 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7644 * tree-pass.h (pass_loop_optimize): Remove.
7645 * passes.c (pass_loop_optimize): Never run it.
7646 * toplev.c (backend_init): Don't call init_loop.
7647 * opts.c (flag_loop_optimize_set): Remove.
7648 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7649 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7650 the old RTL loop optimizer when profiling enabled.
7651 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7652 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7653 pre-headers for the sake of the old RTL loop optimizer.
7654 * Makefile.in: Remove all references to loop.o.
7656 * doc/invoke.texi: Remove all references to -floop-optimize
7657 and -frerun-loop-opt.
7659 2006-02-26 Zack Weinberg <zackw@panix.com>
7661 * doc/md.texi (Machine Constraints): Refer to all files with paths
7662 relative to gcc directory (i.e. config/CPU/file). Add missing
7663 @table @code ... @end table to M32C subsection.
7665 2006-02-26 Roger Sayle <roger@eyesopen.com>
7667 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7669 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7671 2006-02-26 Roger Sayle <roger@eyesopen.com>
7672 James A. Morrison <phython@gcc.gnu.org>
7675 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7676 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7677 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7678 signedness of the shift operation.
7680 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7682 PR tree-optimization/26359
7683 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7685 2006-02-25 Roger Sayle <roger@eyesopen.com>
7687 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7688 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7689 as X == 0, and some symmetry related transformations.
7690 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7692 2006-02-25 Roger Sayle <roger@eyesopen.com>
7695 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7696 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7697 symmetry related transformations. Fold (X^C1) == C2 as
7700 2006-02-25 Juergen Weigert <jw@suse.de>
7701 Richard Guenther <rguenther@suse.de>
7703 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7705 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7707 * combine.c (gen_lowpart_or_truncate): Call
7708 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7710 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7712 * doc/invoke.texi: Move -fopenmp description to "Options for
7714 Remove reference to -lgomp.
7716 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7718 * doc/install.texi: Require GNU tar version 1.14.
7720 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7722 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7723 * doc/invoke.texi (C++ Dialect Options): Document
7724 -fno-use-cxa-get-exception-ptr.
7725 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7726 * configure: Regenerate.
7727 * c.opt (fuse-cxa-get-exception-ptr): New.
7728 * c-opts.c (c_common_handle_option): Handle
7729 OPT_fuse_cxa_get_exception_ptr.
7730 * c-common.c (flag_use_cxa_atexit): Update documentation.
7731 (flag_use_cxa_get_exception_ptr): New.
7732 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7733 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7735 (C_COMMON_OVERRIDE_OPTIONS): New.
7737 2006-02-24 Roger Sayle <roger@eyesopen.com>
7740 * combine.c (try_combine): Explicitly check whether GET_CODE is
7741 a SET or a CLOBBER, instead on checking that it isn't a USE.
7743 2006-02-24 Roger Sayle <roger@eyesopen.com>
7745 * fold-const.c (fold_comparison): New subroutine of fold_binary
7746 containing transformations common to both the equality and
7747 ordering relational operators, factored out of fold_binary.
7748 (fold_binary): Separate out the equality operators (EQ_EXPR
7749 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7750 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7751 transformations common to both.
7752 (fold_div_compare): Fix latent bugs in the previously unreachable
7753 LT_EXPR and GE_EXPR cases.
7755 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7757 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7758 decl libname for clog to __clog on AIX.
7760 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7762 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7765 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7766 output traceback table for thunks. Localise rs6000_stack_info call.
7768 2006-02-23 Roger Sayle <roger@eyesopen.com>
7769 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7771 * gthr-posix.h (__gthrw): Fix typo in comment.
7773 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7775 * doc/cpp.texi (Character sets): Document that we do support
7776 input files to be in any character set.
7778 2006-02-23 Jeff Law <law@redhat.com>
7780 * tree.h (PHI_ARG_NONZERO): Remove.
7781 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7782 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7783 node to the new node.
7785 PR tree-optimization/26425
7786 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7787 min/max, then assume its varying.
7789 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7791 PR rtl-optimization/26316
7792 * rtlanal.c (enum may_trap_p_flags): New.
7793 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7794 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7795 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7796 (may_trap_after_code_motion_p): New function.
7797 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7798 (find_invariant_insn): Use may_trap_after_code_motion_p.
7799 * rtl.h (may_trap_after_code_motion_p): Declare.
7801 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7803 * emit-rtl.c (immed_double_const): Cleanup.
7805 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7807 Fix PR tree-optimization/26376
7808 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7811 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7814 * gimplify.c (omp_add_variable): Guard variable size decl test with
7815 DECL_SIZE (decl) check.
7817 2006-02-23 Richard Guenther <rguenther@suse.de>
7820 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7821 like aggregate types.
7823 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7825 * configure.ac: Add --with{,out}-long-double-128 configure option.
7826 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7827 * configure: Rebuilt.
7828 * config.in: Rebuilt.
7829 * doc/install.texi (Options specification): Document
7830 --with-long-double-128.
7832 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7833 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7834 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7835 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7837 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7839 * config/s390/s390.c (override_options): Handle
7840 TARGET_DEFAULT_LONG_DOUBLE_128.
7842 * config/alpha/alpha.c (override_options): Handle
7843 TARGET_DEFAULT_LONG_DOUBLE_128.
7845 * config/sparc/sparc.c (sparc_override_options): Handle
7846 TARGET_DEFAULT_LONG_DOUBLE_128.
7848 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7850 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7851 (real-install-headers-tar, real-install-headers-cpio)
7852 (real-install-headers-cp): New targets.
7854 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7856 * tree.h (variable_section): Delete.
7857 * varasm.c (variable_section): Delete.
7859 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7861 * install.texi: Add notes on install.texi2html.
7862 (Building in parallel): Do not use footnotes.
7864 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7867 * doc/install.texi (Configuration): Document --disable-libgomp.
7869 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7871 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7873 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7875 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7876 (vec_extractv2df_0_sse): New.
7878 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7880 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7881 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7882 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7883 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7884 to the result of the expression.
7885 (def_cfa_1): Adjust.
7886 (frame_pointer_cfa_offset): Rename to...
7887 (frame_pointer_fb_offset): ... this. Adjust all uses.
7888 (convert_cfa_to_loc_list): Rename to...
7889 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7890 Pass it on to build_cfa_loc.
7891 (compute_frame_pointer_to_cfa_displacement): Rename to...
7892 (compute_frame_pointer_to_fb_displacement): ... this. New
7893 offset parameter. Use it in computation.
7894 (gen_subprogram_die): Compute cfa_fb_offset with the new
7895 macro, and use it to compute the fb loc list and the
7898 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7900 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7901 replaced with register_operand.
7902 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7903 non-DREG is expensive.
7904 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7905 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7908 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7910 * doc/install.texi2html: Use set -e.
7912 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7914 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7915 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7916 * doc/invoke.texi (-fshared-data): Delete.
7917 * common.opt (fshared-data): Delete.
7918 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7919 (assemble_static_space): Remove #if 0 code.
7920 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7921 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7922 * config/cris/cris.h: Remove FIXME.
7924 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7926 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7929 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7932 * combine.c (simplify_shift_const_1): Disable nested shifts
7933 optimization for vector shifts.
7935 2006-02-20 Roger Sayle <roger@eyesopen.com>
7937 PR tree-optimization/26361
7938 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7939 of unsigned integer types.
7941 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7943 * tree-chrec.c (eq_evolutions_p): New.
7944 * tree-chrec.h (eq_evolutions_p): Declared.
7945 * tree-data-ref.c: Fix formatting.
7946 (datadep_stats, dependence_stats): New.
7948 (print_direction_vector): New.
7949 (dump_data_dependence_relation): Use print_direction_vector.
7950 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7951 (compute_subscript_distance): Static.
7952 (initialize_data_dependence_relation): Static. Get the number
7953 of loops surrounding the references from the callers, and initialize
7954 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7955 base_object_differ_p analyzers.
7956 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7957 compute_overlap_steps_for_affine_1_2,
7958 analyze_subscript_affine_affine): Count the classified dependences.
7959 Print a message when a test failed.
7960 (can_use_analyze_subscript_affine_affine): New.
7961 (analyze_siv_subscript): Compute the data dependences on symbolic
7962 scevs that verify can_use_analyze_subscript_affine_affine.
7963 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7964 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7965 Handle symbolic scevs.
7966 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7968 (subscript_dependence_tester): Moved...
7969 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7970 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7971 DDR_SIZE_VECT instead of getting it in parameter.
7972 (subscript_dependence_tester): ... here. Take as a parameter
7973 loop_nest_depth. Call build_classic_dist_vector and
7974 build_classic_dir_vector.
7975 (compute_affine_dependence): Update subscript_dependence_tester
7976 parameters. Update datadep_stats counters. Call
7977 compute_subscript_distance.
7978 (compute_self_dependence): Save the dist and dir vectors. Call
7979 compute_subscript_distance.
7980 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7981 (compute_all_dependences): Reorder parameters as they were before
7982 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7983 compute_subscript_distance. Update the use of
7984 compute_affine_dependence and initialize_data_dependence_relation.
7985 (find_data_references_in_loop): Handle COMPONENT_REF.
7986 (compute_data_dependences_for_loop): Initialize dependence_stats.
7987 Don't call build_classic_dist_vector and build_classic_dir_vector.
7988 Update the parameters of initialize_data_dependence_relation and
7989 compute_all_dependences. Print the statistics from datadep_stats.
7990 (analyze_all_data_dependences): Static. Not used until the pass for
7991 checking the data dependences is contributed.
7992 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7993 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7994 (initialize_data_dependence_relation, compute_affine_dependence,
7995 analyze_all_data_dependences, compute_subscript_distance): Removed.
7996 (print_direction_vector): New.
7997 * lambda.h (gcd): ... here.
7998 (lambda_vector_gcd): Moved here from gcd_vector.
7999 * lambda-code.c (gcd, gcd_vector): Removed.
8000 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8001 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8003 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8005 * ipa-type-escape.c: Tidy some comments and white space.
8006 * tree-ssa-operands.c: Likewise.
8008 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8011 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8012 (dump_decl_name): Do not walk the decl tree chains.
8013 * tree-pass.h (TDF_CHAIN): Remove.
8015 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8017 * Makefile.in (C): Remove
8019 (.PHONY): Remove C and PROTO
8021 2006-02-20 Roger Sayle <roger@eyesopen.com>
8024 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8025 deprecated CHAR_TYPE tree code.
8027 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8029 * configure.ac (target_list): Add install-info, dvi, html.
8030 * configure: Regenerate.
8032 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8033 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8034 treelang/Make-lang.in: Do not use double-colon rules.
8036 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8038 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8039 (TMT_USED_ALONE): New macro.
8040 * tree-pass.h (PROP_tmt_usage): New property.
8041 (TODO_update_tmt_usage): New todo.
8042 * tree-ssa-alias.c (updating_used_alone): New variable.
8043 (recalculate_used_alone): New function.
8044 (compute_may_aliases): Set updating_used_alone, call
8045 recalculate_used_alone.
8046 * tree-sra.c (pass_sra): Note that this pass destroys
8047 PROP_tmt_usage, and add TODO_update_tmt_usage.
8048 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8049 * tree-flow.h (updating_used_alone): Prototype.
8050 (recalculate_used_alone): Ditto.
8051 * passes.c (execute_todo): Add code to set updating_used_alone,
8052 and call recalculate.
8053 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8054 for clobber if used alone, and add assert to verify used_alone
8057 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8059 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8060 for non tls symbols added.
8061 (legitimize_address): Do nothing for PLUS expressions if one of the
8062 addends is a tls symbol reference.
8064 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8068 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8070 * Makefile.in (BOOTSTRAPPING): New.
8071 (quickstrap): New definition if BOOTSTRAPPING=yes.
8073 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8074 * configure.ac: Substitute all_selected_languages with the languages
8075 that were configured. For all the other variables except
8076 lang_specs_files, include all the languages in the tree.
8077 * configure: Regenerate.
8079 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8080 if there is one. Run the commands to run fixincludes in the same
8083 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8084 * doc/install.texi: Document exact conventions for searching target tools.
8085 Document --with-build-time-tools. Document toplevel bootstrap. Document
8086 something more about building an Ada cross-compiler. Don't list GNU Make
8087 requirements which affect all platforms.
8089 2006-02-19 Roger Sayle <roger@eyesopen.com>
8092 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8093 only equivalent if the have both the same mode and precision.
8095 2006-02-20 Ben Elliston <bje@au.ibm.com>
8097 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8099 2006-02-19 Roger Sayle <roger@eyesopen.com>
8100 Steven Bosscher <stevenb.gcc@gmail.com>
8102 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8103 constant pool references to identify stack mode constants.
8104 * rtlanal.c (constant_pool_constant_p): New predicate to check
8105 whether operand is a floating point constant in the pool.
8106 * rtl.h (constant_pool_constant_p): Prototype here.
8107 * loop.c (scan_loop): Avoid hoisting constants from the constant
8108 pool on STACK_REGS targets.
8109 (load_mems): Likewise.
8110 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8111 loads into x87 registers expensive in terms of register pressure.
8113 2006-02-19 Roger Sayle <roger@eyesopen.com>
8115 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8116 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8118 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8120 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8121 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8123 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8125 * doc/invoke.texi: Document -fipa-pta.
8126 * common.opt: Add ipa-pta option.
8127 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8128 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8129 (do_ds_constraint): Ditto.
8130 (get_constraint_for): Only add to referenced_vars if
8131 referenced_vars exists.
8132 (insert_into_field_list): Rewrite to do this unsorted.
8133 (insert_into_field_list_sorted): Rename old insert_into_field_list
8135 (create_function_info_for): Use insert_into_field_list_sorted.
8136 (create_variable_info_for): Rewrite so it uses unsorted version,
8137 since the field list is sorted.
8138 (intra_create_variable_infos): Only add to referenced_vars if
8139 referenced_vars exists.
8140 (ipa_pta_execute): Init heapvars, and delete when done.
8141 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8143 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8145 * doc/install.texi: Add missing `@samp'.
8147 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8149 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8152 2006-02-18 Mark Wielaard <mark@klomp.org>
8154 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8155 who added new 4.1 features, bug fixes and integration support.
8157 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8160 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8163 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8165 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8166 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8167 (copy_insn_1): Likewise. Don't copy each field individually.
8169 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8171 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8172 * rtl.c (rtx_size): Rename variable to...
8173 (rtx_code_size): ...this.
8174 (rtx_size): New function.
8175 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8176 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8178 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8179 * rtl.h (rtx_code_size): New variable.
8180 (rtx_size): Change from a variable to a function.
8181 (RTX_SIZE): Rename to...
8182 (RTX_CODE_SIZE): ...this.
8185 PR tree-optimization/17106
8186 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8187 (Anchored Addresses): New section.
8188 * doc/invoke.texi (-fsection-anchors): Document.
8189 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8190 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8191 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8192 * hooks.c (hook_bool_mode_rtx_false): New function.
8193 * hooks.h (hook_bool_mode_rtx_false): Declare.
8194 * gengtype.c (create_optional_field): New function.
8195 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8196 SYMBOL_REF_IN_BLOCK_P is true.
8197 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8198 (min_anchor_offset, max_anchor_offset): Likewise.
8199 (use_anchors_for_symbol_p): New hook.
8200 * toplev.c (compile_file): Call output_object_blocks.
8201 (target_supports_section_anchors_p): New function.
8202 (process_options): Check that -fsection-anchors is only used on
8203 targets that support it and when -funit-at-a-time is in effect.
8204 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8205 if the decl doesn't have one.
8206 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8207 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8208 of force_const_mem through use_anchored_address.
8209 (expand_expr_constant): New function.
8210 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8211 calling expand_expr for INDIRECT_REF.
8212 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8213 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8214 * expr.h (use_anchored_address): Declare.
8215 * loop-unroll.c: Don't declare rtx vectors here.
8216 * explow.c: Include output.h.
8217 (validize_mem): Call use_anchored_address.
8218 (use_anchored_address): New function.
8219 * common.opt (-fsection-anchors): New switch.
8220 * varasm.c (object_block_htab, anchor_labelno): New variables.
8221 (hash_section, object_block_entry_eq, object_block_entry_hash)
8222 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8223 (use_blocks_for_decl_p, change_symbol_section): New functions.
8224 (get_variable_section): New function, split out from assemble_variable.
8225 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8226 use_blocks_for_decl_p say so. Use change_symbol_section if the
8227 symbol has already been created.
8228 (assemble_variable_contents): New function, split out from...
8229 (assemble_variable): ...here. Don't output any code for
8230 block symbols; just pass them to place_block_symbol.
8231 Use get_variable_section and assemble_variable_contents.
8232 (get_constant_alignment, get_constant_section, get_constant_size): New
8233 functions, split from output_constant_def_contents.
8234 (build_constant_desc): Create a block symbol if use_object_blocks_p
8235 says so. Or into SYMBOL_REF_FLAGS.
8236 (assemble_constant_contents): New function, split from...
8237 (output_constant_def_contents): ...here. Don't output any code
8238 for block symbols; just pass them to place_section_symbol.
8239 Use get_constant_section and get_constant_alignment.
8240 (force_const_mem): Create a block symbol if use_object_blocks_p and
8241 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8242 (output_constant_pool_1): Add an explicit alignment argument.
8243 Don't switch sections here.
8244 (output_constant_pool): Adjust call to output_constant_pool_1.
8245 Switch sections here instead. Don't output anything for block symbols;
8246 just pass them to place_block_symbol.
8247 (init_varasm_once): Initialize object_block_htab.
8248 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8249 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8250 (place_block_symbol, get_section_anchor, output_object_block)
8251 (output_object_block_htab, output_object_blocks): New functions.
8252 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8253 (TARGET_ASM_OUT): Include it.
8254 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8255 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8256 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8257 (TARGET_INITIALIZER): Include them.
8258 * rtl.c (rtl_check_failed_block_symbol): New function.
8259 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8260 (block_symbol, object_block): New structures.
8261 (rtx_def): Add a block_symbol field to the union.
8262 (BLOCK_SYMBOL_CHECK): New macro.
8263 (rtl_check_failed_block_symbol): Declare.
8264 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8265 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8266 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8267 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8268 * output.h (output_section_symbols): Declare.
8269 (object_block): Name structure.
8270 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8271 (default_use_anchors_for_symbol_p): Declare.
8272 * Makefile.in (RTL_BASE_H): Add vec.h.
8273 (explow.o): Depend on output.h.
8274 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8275 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8276 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8277 (rs6000_use_blocks_for_constant_p): New function.
8279 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8281 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8283 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8286 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8289 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8291 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8295 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8298 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8299 instead of DECL_REGISTER.
8301 2006-02-18 Olivier Hainque <hainque@adacore.com>
8304 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8306 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8309 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8310 * opth-gen.awk: Handle Var and InverseMask together.
8311 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8312 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8313 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8314 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8316 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8317 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8318 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8319 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8320 LINUX_DYNAMIC_LINKER): Define.
8321 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8322 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8324 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8325 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8326 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8327 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8328 (TARGET_C99_FUNCTIONS): Don't define.
8329 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8330 GLIBC_DYNAMIC_LINKER.
8331 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8332 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8333 GLIBC_DYNAMIC_LINKER64): Define.
8334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8335 LINUX_DYNAMIC_LINKER64.
8336 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8337 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8338 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8339 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8340 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8341 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8342 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8343 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8344 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8346 and LINUX_DYNAMIC_LINKER32.
8347 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8349 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8350 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8351 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8353 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8354 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8355 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8356 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8357 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8358 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8359 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8360 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8361 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8362 LINUX_DYNAMIC_LINKER): Define.
8363 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8364 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8365 GLIBC_DYNAMIC_LINKER64): Define.
8366 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8367 LINUX_DYNAMIC_LINKER64.
8368 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8369 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8370 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8371 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8372 LINUX_DYNAMIC_LINKER): Define.
8373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8374 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8375 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8376 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8377 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8378 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8379 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8380 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8381 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8382 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8383 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8384 * doc/invoke.texi (-muclibc): Remove caveat about supported
8387 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8389 * doc/cpp.texi (__TIMESTAMP__): Document.
8391 2006-02-17 Roger Sayle <roger@eyesopen.com>
8394 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8395 C is one less than the width of X (and related transformations).
8396 * simplify-rtx.c (simplify_unary_operation_1): Transform
8397 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8398 depending on STORE_FLAG_VALUE, were C is one less then the
8401 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8403 Fix PR tree-optimization/26341
8404 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8405 about NAME_MEMORY_TAG's.
8407 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8410 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8411 with hardware float support, and software float support. Add fcpy
8412 alternative to hardware patterns. Add alternatives to copy between
8413 general and floating-point registers to the 32-bit pattern.
8414 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8415 secondary reload to load a QI or HI mode constant into a floating
8417 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8418 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8420 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8423 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8425 (load_macho_picbase_di): Likewise.
8427 2006-02-16 Jeff Law <law@redhat.com>
8429 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8430 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8431 (ssa_name_nonzero_p): Likewise.
8432 (get_value_range): Return NULL if VRP is not running.
8433 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8434 VRP routines do not discover a range.
8435 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8436 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8437 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8438 (tree_expr_nonnegative_p): Similarly.
8439 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8440 (restore_nonzero_vars_to_original_value): Remove.
8441 (unsafe_associative_fp_binop): Remove.
8442 (tree_ssa_dominator_optimize): Remove initialization and
8443 finalization of nonzero_vars and nonzero_vars_stack.
8444 (dom_opt_initialize_block): No longer push marker on
8446 (dom_opt_finalize_block): No longer call
8447 restore_nonzero_vars_to_original_value.
8448 (record_equivalences_from_phis): No longer look for
8449 nonzero PHI arguments.
8450 (cprop_into_successor_phis): No longer propagate nonzero
8451 property into PHI arguments. Lose unused argument. Caller
8453 (record_equivalences_from_stmt): No longer record nonzero
8454 values for SSA_NAMEs.
8455 (lookup_avail_expr): No longer use nonzero_vars.
8457 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8458 for sizetype when sizetype is unsigned.
8460 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8462 PR rtl-optimization/25603
8463 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8464 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8465 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8466 with new meaning of SETS.
8468 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8473 * config/linux.opt: New file.
8474 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8475 LINUX_DYNAMIC_LINKER): Define.
8476 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8477 * config.gcc (*-*-linux*): Define extra_options.
8478 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8479 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8480 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8481 GLIBC_DYNAMIC_LINKER.
8482 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8483 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8484 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8486 * doc/invoke.texi (GNU/Linux Options): New section.
8488 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8490 * config/sparc/sparc.md (setjmp): Rewrite.
8491 (setjmp_32): Delete.
8492 (setjmp_64): Likewise.
8494 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8496 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8499 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8501 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8504 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8506 PR rtl-optimization/26296
8507 * Makefile.in (loop-invariant.c): Add except.h dependency.
8508 * loop-invariant.c: Include except.h.
8509 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8511 2005-02-16 Paul Brook <paul@codesourcery.com>
8513 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8516 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8518 PR rtl-optimization/25636
8519 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8520 when deciding whether an insn is an initializing insn.
8522 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8524 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8525 (tree_code_size): Ditto.
8526 * tree.h (struct tree_memory_tag): Remove parent_var.
8527 (struct tree_struct_field_tag): New.
8530 (union tree_node): Add sft member.
8531 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8533 (create_sft): Add size and offset argument, set SFT_OFFSET and
8535 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8536 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8537 * tree-flow-inline.h (get_subvar_at): Update for
8538 SFT_OFFSET/SFT_SIZE.
8539 (var_can_have_subvars): Ditto.
8540 (overlap_subvar): Ditto.
8541 * print-tree.c (print_node): Print out interesting things for
8543 * tree-flow.h (struct subvar): Remove offset and size members.
8544 * tree-ssa-operands.c (get_expr_operands): Update for
8545 get_indirect_ref_operands changes.
8546 (get_indirect_ref_operands): Call add_virtual_operand instead of
8547 add_stmt_operand. Only recurse on base var if requested.
8548 (access_can_touch_variable): New function.
8549 (add_stmt_operand): Split virtual operand handling into ...
8550 (add_virtual_operand): Here. Add offset, size, and for_clobber
8551 arguments. Prune alias sets.
8552 (add_call_clobber_ops): Call add_virtual_operand.
8554 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8557 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8559 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8560 than TREE_CODE as index into omp_clause_num_ops array.
8562 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8564 PR rtl-optimization/26184
8565 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8567 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8568 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8569 must_precede, must_follow and tobe_scheduled.
8572 * opts.c (common_handle_option): Free new_option pointer.
8573 * df-core.c (df_analyze): Free postorder pointer.
8575 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8577 * Makefile.in: Fix the examples about the use of stamps
8579 2006-02-15 Michael Matz <matz@suse.de>
8583 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8584 influenced by maximum_field_alignment or DECL_PACKED.
8585 (update_alignment_for_field): Ditto.
8586 (place_field): Ditto.
8587 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8590 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8592 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8593 (debug_flow_info): Pass it.
8594 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8595 * bb-reorder.c (reorder_basic_blocks): Likewise.
8596 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8597 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8598 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8599 * gcse.c (gcse_main, bypass_jumps): Likewise.
8600 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8601 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8602 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8603 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8604 * rtl.h (dump_flow_info): Adjust prototype.
8605 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8606 * var-tracking.c (variable_tracking_main): Likewise.
8607 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8608 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8611 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8613 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8616 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8618 PR tree-optimization/26209
8619 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8620 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8622 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8624 2006-02-14 Roger Sayle <roger@eyesopen.com>
8627 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8628 (X,Y) and the corresponding symmetry related transformations.
8629 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8630 (X,Y) and its symmetry related transformations.
8632 2006-02-14 Roger Sayle <roger@eyesopen.com>
8634 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8637 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8639 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8641 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8644 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8645 support COMDAT group.
8646 * configure: Regenerate.
8648 2006-02-14 Roger Sayle <roger@eyesopen.com>
8653 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8655 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8657 Fix PR tree-optimization/26260
8659 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8661 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8662 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8663 * tree-ssa-structalias.c (create_variable_info_for): Use
8664 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8666 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8668 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8670 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8671 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8672 of the ending condition.
8673 * tree-ssa-loop-manip.c: Include params.h.
8674 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8675 tree_unroll_loop): New functions.
8676 * tree-pass.h (pass_loop_prefetch): Declare.
8677 * loop.c (rest_of_handle_loop_optimize): Test for
8678 -fprefetch-loop-arrays-rtl.
8679 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8680 * timevar.def (TV_TREE_PREFETCH): New timevar.
8681 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8682 pass_loop_prefetch): New.
8683 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8684 (cleanup_tree_cfg_loop): Call scev_reset.
8685 * common.opt (fprefetch-loop-arrays-rtl): Add.
8686 * tree-ssa-loop-prefetch.c: New file.
8687 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8688 (new_temp_expr_table): Initialize expr_vars.
8689 (free_temp_expr_table): Cleanup expr_vars.
8690 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8691 expressions from being merged into one.
8692 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8693 (struct tree_niter_desc): Add control, bound and cmp fields.
8694 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8696 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8697 (tree-cfgcleanup.o): Add SCEV_H dependency.
8698 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8699 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8701 2006-02-14 Richard Guenther <rguenther@suse.de>
8703 PR tree-optimization/26258
8704 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8705 in PHI argument processing.
8707 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8709 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8710 new expression in the requested machine mode.
8712 2006-02-13 Roger Sayle <roger@eyesopen.com>
8714 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8715 directly, instead let do_compare_rtx_and_jump handle this for us.
8716 * expr.c (expand_expr_real_1): Likewise.
8717 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8718 before do_jump_by_parts_greater.
8719 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8720 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8722 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8724 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8726 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8728 PR rtl-optimization/26235
8729 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8730 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8733 2006-02-13 Jeff Law <law@redhat.com>
8735 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8738 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8741 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8742 twice if decl is a builtin. When trying again, call get_callee_fndecl
8743 first to verify it is still a builtin.
8745 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8747 * dwarf2out.c (base_type_die): Don't add AT_name here.
8748 (subrange_type_die): Don't add AT_name here.
8749 (modified_type_die): Rearrange code flow. Do add AT_name here.
8751 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8753 PR rtl-optimization/26247
8754 PR rtl-optimization/26248
8755 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8757 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8759 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8760 * config/fixtfdi.c: Likewise.
8761 * config/fixunstfdi.c: Likewise.
8762 * config/floatditf.c: Likewise.
8764 2006-02-13 Roger Sayle <roger@eyesopen.com>
8767 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8768 into (X,C2) if C1 is a subset of the bits of C2. Transform
8769 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8771 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8773 2006-02-13 Josh Conner <jconner@apple.com>
8776 * varasm.c (function_section): Check for section name before
8777 calling select_section on targets that define
8778 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8779 unlikely_text_section instead of hot_function_section if
8780 first_function_block_is_cold.
8782 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8785 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8787 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8789 PR rtl-optimization/26222
8790 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8791 after tree->rtl expansion.
8792 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8793 before passing it to emit_move_insn.
8795 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8797 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8799 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8800 Clarify documentation.
8801 * c-common.h (warn_write_strings): Remove.
8802 * c-common.c (warn_write_strings): Likewise.
8803 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8806 2006-02-12 Roger Sayle <roger@eyesopen.com>
8809 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8810 (do_jump_parts_zero_rtx): New function renamed from
8811 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8812 (do_jump_parts_equality_rtx): New function split out from
8813 do_jump_parts_equality. Old implementation renamed as above.
8814 Call do_jump_parts_zero_rtx if either operand is zero.
8815 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8816 do all of the heavy lifting.
8817 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8818 calling either do_jump_by_parts_greater_rtx or
8819 do_jump_by_parts_equality_rtx.
8820 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8821 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8822 moved to do_compare_rtx_and_jump, call it directly.
8823 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8824 mode argument. Call do_compare_rtx_and_jump.
8825 (emit_case_nodes): Update calls to do_jump_if_equal.
8827 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8829 PR rtl-optimization/26225
8830 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8832 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8834 PR rtl-optimization/26232
8835 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8837 2006-02-11 Jason Merrill <jason@redhat.com>
8840 * tree-inline.c (declare_return_variable): Just don't use the
8841 modify target if it's a gimple complex reg and the return slot
8844 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8846 * doc/contrib.texi: Update my entry.
8848 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8850 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8852 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8854 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8857 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8859 * doc/invoke.texi (-floop-optimize2): Removed.
8860 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8861 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8862 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8863 * common.opt (floop-optimize2): Removed.
8864 (fmove-loop-invariants): Enabled by default.
8866 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8868 * tree-if-conv.c (combine_blocks): Free the result of
8869 get_loop_exit_edges.
8871 2006-02-10 Jeff Law <law@redhat.com>
8873 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8875 PR tree-optimization/26213
8876 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8877 loop trying to follow SSA_NAME_VALUE chains.
8879 2006-02-10 Richard Guenther <rguenther@suse.de>
8881 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8882 deal with structures that end in implicitly variable sized arrays.
8884 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8886 PR rtl-optimization/24762
8887 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8890 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8892 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8893 (struct ivopts_data): Add regs_used field.
8894 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8895 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8896 instead of loop_data->regs_used;
8897 (free_loop_data): Do not free aux fields for loops.
8898 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8899 and tree_ssa_iv_optimize_finalize.
8901 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8903 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8905 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8908 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8909 computing the effective result type.
8911 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8914 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8915 (tree_overlaps_hard_reg_set): Declare.
8916 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8917 type and signature to match function type expected by walk_tree.
8918 (tree_overlaps_hard_reg_set): New function.
8919 (decl_conflicts_with_clobbers_p): Rename to:
8920 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8921 Use tree_overlaps_hard_reg_set. Changed caller.
8922 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8923 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8924 * cris.c (cris_md_asm_clobbers): Likewise.
8926 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8928 * reload1.c (emit_input_reload_insns): Delete code that tries to
8929 inherit using find_equiv_reg.
8931 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8933 * c-common.h (flag_const_strings): Don't declare.
8934 * c-common.c (flag_const_strings): Remove.
8935 * c.opt (fconst_strings): Remove.
8936 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8937 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8938 (c_common_init_options): Don't set flag_const_strings.
8939 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8941 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8943 * arm.md (tlobits_cbranch): New pattern.
8944 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8945 testing a single bit.
8947 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8950 * tree-ssa-pre.c (create_component_ref_by_pieces):
8951 Handle RETURN_DECL like VAR_DECL.
8953 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8956 * fold-const.c (fold_indirect_ref_1): Fold
8957 "*(foo *)&complexfoo" to "__real__ complexfoo"
8958 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8960 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8962 * tree-flow-inline.h (var_can_have_subvars):
8963 Volatile variables should not have subvariables.
8965 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8968 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8969 multiplying unsigned values.
8972 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8974 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8976 2006-02-08 Jason Merrill <jason@redhat.com>
8979 * tree.def: Elaborate on difference from MODIFY_EXPR.
8980 * doc/c-tree.texi (INIT_EXPR): Likewise.
8981 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8982 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8983 (gimplify_target_expr): Likewise.
8984 (gimplify_cond_expr): Remove target handling.
8985 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8986 (gimplify_expr): Clobber it here.
8987 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8988 Do return slot optimization if we have an INIT_EXPR.
8991 * tree-inline.c (declare_return_variable): Also clear
8992 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8995 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8998 * gimplify.c (gimplify_one_sizepos): Fix typo.
9000 2006-02-08 Jeff Law <law@redhat.com>
9002 PR tree-optimization/21417
9003 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9004 across a backedge if the control statement at the end of the
9005 block is data dependent on other statements in the same block.
9006 (record_temporary_equivalences_from_stmts): Remove over-conservative
9007 test for threading across backedges.
9009 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9010 control statement, handle all three special cases in the same
9011 manner as they all have the same desired solution. No longer
9012 special case edge flag updating when the post dominator is
9015 2006-02-08 Roger Sayle <roger@eyesopen.com>
9017 * tree.def (CHAR_TYPE): Remove.
9018 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9019 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9020 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9021 (gen_string_type_die): Delete unreachable function.
9023 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9024 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9025 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9026 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9027 * builtins.c (type_to_class): Likewise.
9028 * fold-const.c (fold_convert, build_range_check,
9029 merge_ranges): Likewise.
9030 * expr.c (count_type_elements): Likewise.
9031 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9032 * stor-layout.c (layout_type): Likewise.
9033 * ipa-type-escape.c (type_to_consider): Likewise.
9034 * gimplify.c (omp_firstprivatize_type_sizes,
9035 gimplify_type_sizes): Likewise.
9036 * explow.c (promote_mode): Likewise.
9037 * tree-sra.c (is_sra_scalar_type): Likewise.
9038 * varasm.c (output_constant): Likewise.
9039 * tree-inline.c (remap_type_1): Likewise.
9040 * convert.c (convert_to_pointer, convert_to_real,
9041 convert_to_integer, convert_to_complex): Likewise.
9043 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9045 * df-scan.c (df_def_record_1): A set destination may
9046 be a parallel regardless of mode.
9048 2006-02-08 Roger Sayle <roger@eyesopen.com>
9051 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9052 * config/mips/_tilib.c: Remove.
9053 * config/fixtfdi.c: New libgcc source file.
9054 * config/fixunstfdi.c: New source file.
9055 * config/floatditf.c: New source file.
9056 * config/floatunditf.c: New souce file.
9057 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9058 files above instead of config/mips/_tilib.c.
9059 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9061 2006-02-08 Jeff Law <law@redhat.com>
9063 PR tree-optimization/26169
9064 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9067 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9069 * df.h (DF_REG_SIZE): Return the length of the initialized
9072 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9074 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9075 __muldf3): Return a correctly signed zero.
9077 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9079 * passes.c (register_one_dump_file): Accept the current properties
9080 instead of pass number. Adjust call to dump_register. Remove
9082 (register_dump_files): Now a wrapper around...
9083 (register_dump_files_1): ... this one. Do not modify the pass
9085 (next_pass_1): Cosmetic fix.
9086 (execute_todo): Keep second parameter only. Use curr_properties
9087 instead of fetching it from the pass structure. Check and set
9089 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9090 instead of fetching it from the pass structure. Fix calls to
9091 execute_todo. Update curr_properties and initialize .vcg RTL dump
9092 after running the pass. Reset last_verified.
9093 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9095 (FIRST_AUTO_NUMBERED_DUMP): New.
9096 (dump_register): Remove "num" parameter, assign it within the
9098 (get_dump_file_name): Modify template for dumps.
9099 * tree-dump.h (dump_register): Adjust prototype.
9100 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9101 (PROP_trees): Add PROP_gimple_lomp.
9102 (TODO_set_props): New.
9103 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9104 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9105 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9107 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9109 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9110 (sparc64-*-linux*): Likewise.
9111 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9112 * config/sparc/t-linux: New file.
9113 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9114 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9115 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9116 -m32 -mlong-double-128.
9118 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9119 * config/alpha/t-linux: New file.
9120 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9122 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9123 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9124 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9125 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9126 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9127 (CPP_ARCH32_SPEC): Remove.
9129 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9131 PR tree-optimization/26145
9132 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9135 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9138 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9139 >= 240000 when generating code for SOM runtime.
9140 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9141 to $$dyncall when generating code for SOM runtime..
9143 2006-02-07 Dirk Mueller <dmueller@suse.com>
9146 * doc/invoke.texi (-Wsequence-point): Update documentation
9147 that -Wsequence-point is implemented for C++ as well.
9149 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9151 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9152 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9153 (LIB_SPEC): Likewise.
9154 * doc/invoke.texi (SPARC options): Document -pthread.
9156 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9158 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9161 2006-02-07 Roger Sayle <roger@eyesopen.com>
9163 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9164 Correct comment describing BOOLEAN_TYPE.
9166 2006-02-07 Dirk Mueller <dmueller@suse.com>
9168 * c.opt: C++ frontend supports -Wdiv-by-zero.
9169 * c-opts.c (c_common_handle_option): Remove dead case.
9171 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9173 * configure.ac (TLS assembler check): Do not enable TLS by
9174 default on SPARC/Solaris before version 10.
9175 * configure: Regenerate.
9177 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9179 * doc/invoke.texi (xl-compat): Document conversion and support
9182 2006-02-07 Jeff Law <law@redhat.com>
9184 * tree-vrp.c (find_conditional_asserts): Update comments.
9185 (simplify_stmt_for_jump_threading): New.
9186 (identify_jump_threads, finalize_jump_threads): New.
9187 (vrp_finalize): Call identify_jump_threads.
9188 (execute_vrp): Call finalize_jump_threads.
9189 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9190 (vrp_element, vrp_data, vrp_element_p): Remove.
9191 (vrp_hash_elt, vrp_variables_stack): Remove.
9192 (vrp_hash, vrp_eq, record_range): Remove.
9193 (simplify_cond_and_lookup_avail_expr): Remove.
9194 (extract_range_from_cond): Remove.
9195 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9196 (simplify_stmt_for_jump_threading): New.
9197 (dom_thread_across_edge): New wrapper.
9198 (tree_ssa_dominator_optimize): No longer initialize or
9199 finalize any of the VRP datastructures. Remove iteration
9200 step and simplify as a result of removal of iteration step.
9201 (pass_dominator): Perform a cfg cleanup after DOM.
9202 (dom_opt_finalize_block): Use the new common routines
9203 for threading jumps. Simplify stack management slightly.
9204 No longer need to unwind VRP state.
9205 (record_equivalences_from_incoming_edge): No longer record
9207 (eliminate_redundant_computations): No longer call
9208 simplify_cond_and_lookup_avail_expr.
9209 * tree-flow.h (potentially_threadable_block): Prototype.
9210 (thread_across_edge): Likewise.
9211 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9212 (tree-ssa-threadedge.o): Add dependencies.
9213 * tree-ssa-threadedge.c: New file.
9214 * passes.c (init_optimization_passes): Merge PHIs before
9215 calling VRP. Run VRP again late in the SSA optimization pipeline.
9217 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9219 * df-core.c (df_set_blocks): Do not dereference function pointers.
9220 (df_finish1): Likewise.
9221 (df_hybrid_search_forward): Likewise.
9222 (df_hybrid_search_backward): Likewise.
9223 (df_iterative_dataflow): Likewise.
9224 (df_analyze_problem): Likewise.
9225 (df_compact_blocks): Likewise.
9226 (df_dump): Likewise.
9227 * df-scan.c (df_rescan_blocks): Likewise.
9228 (df_record_entry_block_defs): Likewise.
9230 * genconditions.c (write_conditions): Guard the definition of
9231 'insn_conditions' with the check on GCC version.
9232 (write_writer): Guard the traversal 'insn_conditions' with
9233 the check on GCC version.
9235 2006-02-07 Richard Guenther <rguenther@suse.de>
9239 2006-01-30 Richard Guenther <rguenther@suse.de>
9241 * gimplify.c (gimplify_target_expr): Handle easy cases
9242 without creating a temporary.
9244 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9246 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9247 use of float in probability computations. Use edge probabilities
9248 in place of statically computed probabilities.
9249 (min_spec_prob): New static variable.
9250 (schedule_insns): Initialize it.
9251 (GET_SRC_PROB): Removed.
9252 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9254 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9257 * config/ia64/unwind-ia64.c: Revert last change.
9258 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9259 (INCOMING_FRAME_SP_OFFSET): Define.
9261 2006-02-06 Roger Sayle <roger@eyesopen.com>
9263 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9265 2006-02-07 Ben Elliston <bje@au.ibm.com>
9267 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9268 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9269 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9270 (ix86_return_in_memory): Handle TDmode.
9271 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9272 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9274 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9276 * reorg.c (dbr_schedule): Use dump_file instead of file.
9278 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9281 * config/ia64/predicates.md (extr_len_operand): New predicate.
9282 * config/ia64/ia64.md (extv): Tighten constraints.
9284 (*tbit_and_2): Ditto.
9285 (*tbit_and_3): Ditto.
9286 (*tbit_or_2): Ditto.
9287 (*tbit_or_3): Ditto.
9291 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9294 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9296 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9298 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9299 loop_optimizer_init and loop_optimizer_finalize
9300 * tree-ssa-sink.c (execute_sink_code): Ditto.
9301 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9302 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9303 tree_ssa_loop_done): Ditto.
9304 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9305 * sched-ebb.c: Include output.h.
9306 (schedule_ebbs): Do not use dump argument.
9307 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9308 * loop.c (loop_dump_stream): Removed.
9309 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9311 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9312 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9313 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9314 loop_iterations, strength_reduce, record_biv, record_giv,
9315 final_giv_value, check_final_value, check_ext_dependent_givs,
9316 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9317 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9318 dump_file instead of loop_dump_stream.
9319 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9321 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9323 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9324 * haifa-sched.c: Include output.h
9325 (schedule_insns, sched_init): Do not use dump argument.
9326 * mode-switching.c (optimize_mode_switching): Ditto.
9327 * modulo-sched.c (stats_file): Removed.
9328 (print_node_sched_params): Do not call argument dump_file.
9329 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9330 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9332 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9334 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9335 rtl_loop_init, rtl_loop_done): Ditto.
9336 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9337 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9339 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9340 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9341 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9342 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9343 * emit-rtl.c (renumber_insns): Ditto.
9344 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9345 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9346 * regclass.c (regclass): Ditto.
9347 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9348 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9349 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9350 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9352 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9353 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9355 * gcse.c (gcse_file, debug_stderr): Removed.
9356 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9357 rest_of_handle_gcse): Do not use dump argument.
9358 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9359 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9360 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9361 compute_code_hoist_vbeinout, compute_code_hoist_data,
9362 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9363 compute_store_table, build_store_vectors, insert_insn_start_bb,
9364 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9365 store_motion): Use dump_file instead of gcse_file.
9366 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9367 * profile.c (profile_dump_file): Removed.
9368 (branch_prob): Use dump_file instead of profile_dump_file.
9369 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9371 * tree-ssa-copy.c (dump_copy_of): Ditto.
9372 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9373 dump file to life_analysis.
9374 * bt-load.c (branch_target_load_optimize): Ditto.
9375 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9377 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9378 regclass, dbr_schedule): Declaration changed.
9379 * sched-int.h (sched_init): Declaration changed.
9380 * tree-profile.c (tree_profile_dump_file): Removed.
9381 (tree_profile_hooks): Removed profile_dump_file hook.
9382 * rtl-profile (rtl_profile_dump_file): Removed.
9383 (rtl_profile_hooks): emoved profile_dump_file hook.
9384 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9386 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9387 * tree-cfg.c (build_tree_cfg): Ditto.
9388 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9389 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9390 Declaration changed.
9391 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9392 life_analysis and schedule_insns.
9393 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9395 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9397 * config/mips/mips.c (mips_reorg): Ditto.
9398 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9401 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9403 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9404 (s390_mangle_fundamental_type): New.
9405 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9408 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9409 (alpha_mangle_fundamental_type): New.
9410 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9413 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9415 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9417 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9418 (sparc_mangle_fundamental_type): New.
9420 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9422 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9423 (s390x-*-linux*): Likewise.
9424 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9425 * config/s390/t-linux: New file.
9427 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9429 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9430 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9432 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9434 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9435 (ANTIC_SAFE_LOADS): New macro.
9436 (find_or_generate_expression): Add prototype.
9437 (set_contains_value): Allow null set for sake of not always having
9438 to allocate ANTIC_SAFE_LOADS.
9439 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9440 Allow COMPONENT_REF too.
9441 (valid_in_set): Allow COMPONENT_REF.
9442 Check ANTIC_SAFE_LOADS too.
9443 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9444 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9446 (can_PRE_operation): Add COMPONENT_REF.
9447 (create_component_ref_by_pieces): New function.
9448 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9449 (insert_aux): Move AGGREGATE_TYPE_P check here.
9450 (compute_avail): Set bb local stmt uids.
9451 (pass_pre): Use TODO_update_ssa_only_virtuals.
9453 2006-02-06 Ben Elliston <bje@au.ibm.com>
9455 * configure.ac: Unconditionally disable decimal float by default.
9456 * configure: Regenerate.
9458 2006-02-06 Ben Elliston <bje@au.ibm.com>
9460 * read-rtl.c (read_name): Terminate reading on EOF.
9462 2006-02-06 Ben Elliston <bje@au.ibm.com>
9464 * dfp.c (decimal_real_arithmetic): Change second argument type
9465 from int to enum tree_code. Do not always return true, but now
9466 return result of any call to decimal_do helper functions.
9467 * dfp.h (decimal_real_arithmetic): Update prototype.
9469 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9471 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9473 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9476 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9479 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9481 * tree-vrp.c (cfg_loops): Removed.
9482 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9483 Use current_loops instead of cfg_loops. Pass flags to
9484 loop_optimizer_init.
9485 * cfgloopmanip.c (fix_loop_structure): Update only available
9487 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9488 loop_optimizer_init.
9489 * modulo-sched.c (build_loops_structure): Removed.
9490 (sms_schedule): Use loop_optimizer_init.
9491 * loop-init.c (loop_optimizer_init): Use flags to determine
9492 which properties of loops to prepare.
9493 (rtl_loop_init): Pass flags to loop_optimizer_init.
9494 * tree-ssa-sink.c (execute_sink_code): Ditto.
9495 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9496 * tree-ssa-pre.c (init_pre): Ditto.
9497 * cfgloop.h (LOOPS_NORMAL): New.
9498 (loop_optimizer_init): Declaration changed.
9500 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9502 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9503 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9505 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9507 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9509 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9510 * pa/t-pa64: Delete quadlib.c rule.
9511 * pa/x-ada: Revert last change.
9512 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9514 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9516 PR rtl-optimization/26087
9517 * rtlanal.c (canonicalize_condition): Do not cross basic block
9520 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9523 * config/ia64/ia64.c: Include debug.h.
9524 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9525 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9526 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9527 (process_epilogue, process_set, process_for_unwind_directive):
9528 Output unwind info only if requested. Add CFA info if requested.
9529 Add new arguments as needed. Adjust callers.
9530 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9532 (DWARF2_FRAME_INFO): Define to zero.
9533 * config/ia64/unwind-ia64.c: Remove code that compensated for
9534 the CFA offset error fixed above.
9535 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9536 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9537 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9538 -funwind-tables and -fexceptions to enable frame info.
9539 (dwarf2out_frame_init): Define initial CFA even if
9540 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9541 DWARF2_UNWIND_INFO is nonzero, not just defined.
9542 (dwarf2out_frame_finish): Output non-EH call frame info only
9543 if DWARF2_FRAME_INFO is nonzero.
9544 (convert_cfa_to_loc_list,
9545 compute_frame_pointer_to_cfa_displacement): Define even if
9546 unwind info is not supported.
9547 (gen_subprogram_die): Use the above unconditionally. Remove
9548 legacy alternate code.
9549 * toplev.c (compile_file): Compile in call to
9550 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9551 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9553 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9554 Jakub Jelinek <jakub@redhat.com>
9556 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9557 IBM extended float format long double as "g" on powerpc*-linux.
9559 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9562 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9563 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9565 2006-02-03 Jason Merrill <jason@redhat.com>
9568 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9571 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9572 on the return slot if it's an NRV.
9574 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9576 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9577 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9578 rewrite_use): Do not handle USE_OUTER.
9579 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9580 add_iv_outer_candidates, may_replace_final_value,
9581 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9582 (find_interesting_uses_op): Functionality of
9583 find_interesting_uses_outer_or_nonlin moved here.
9584 (find_interesting_uses_outside): Use find_interesting_uses_op.
9586 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9589 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9591 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9592 Ulrich Weigand <uweigand@de.ibm.com>
9595 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9596 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9597 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9598 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9600 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9601 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9602 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9603 Define secondary reloads for TFmode moves.
9604 (constant_modes): Add TFmode.
9605 (NR_C_MODES): Set to 8.
9606 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9608 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9609 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9610 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9611 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9612 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9613 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9614 (FPR mode macro): Add TFmode.
9615 (DSF mode macro): New.
9616 (<de>, <dee> mode attributes): Removed.
9617 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9618 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9619 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9620 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9621 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9622 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9623 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9624 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9625 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9626 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9627 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9628 "*negabs<mode>2", "sqrt<mode>2"):
9629 Changed <de> to <xde>. R constraint replaced by <Rf>.
9630 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9632 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9633 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9634 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9636 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9637 "extenddftf2", "extendsftf2"): New expanders.
9638 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9639 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9640 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9641 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9643 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9644 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9645 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9646 __floatditf): Add a GCC_4.1.0 symbol version tag.
9647 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9650 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9653 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9654 Use targetm.binds_local_p instead of TREE_PUBLIC.
9656 2006-02-02 Roger Sayle <roger@eyesopen.com>
9658 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9659 on INTEGER_TYPEs to indicate that it denotes a character type.
9660 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9661 signed_char_type_node, unsigned_char_type_node and char_type_node.
9662 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9663 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9664 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9666 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9667 Daniel Berlin <dberlin@dberlin.org>
9669 * tree-tailcall.c (arg_needs_copy_p): New function.
9670 (eliminate_tail_call): Use arg_needs_copy_p.
9671 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9672 (add_virtual_phis): New function.
9674 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9676 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9677 #ignore instead of #scratch for %g7 .register directive.
9679 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9681 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9684 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9686 * flow.c (calculate_global_regs_live): Assert that there aren't any
9689 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9691 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9693 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9694 bsi_after_labels iterator.
9695 * tree-if-conv.c (find_phi_replacement_condition,
9696 replace_phi_with_cond_modify_expr): Likewise.
9697 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9698 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9700 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9702 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9704 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9707 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9708 array after growing it.
9710 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9713 * fold-const.c (fold_checksum_tree): Change type of buf.
9715 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9717 * reload.c (push_secondary_reload): Initialize t_icode.
9719 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9721 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9722 -msoft-float -mlong-double-128 only issue a warning, but don't
9723 swich to DFmode long double.
9725 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9727 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9728 has a constant equivalent, iterate over equivalents for arg0,
9729 calling simplify_relational_operation and if there's a result
9730 cheaper than X, apply fold_rtx and return the result.
9732 2006-02-01 Jan Hubicka <jh@suse.cz>
9734 * opts.c (no_unit_at_a_time_default): New global variable.
9735 (decode_options): Use it.
9736 * opts.h (no_unit_at_a_time_default): Declare.
9738 2006-02-01 Paul Brook <paul@codesourcery.com>
9740 * function.c (assign_parm_setup_reg): Use function argument promotion
9742 * expr.c (expand_expr_real_1): Use function argument promotion rules
9745 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9747 * gcc.c (process_command): Change j to 'unsigned int'.
9749 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9752 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9753 Use the corrected index for the character
9754 out of the string constant.
9756 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9758 * mode-switching.c (optimize_mode_switching): Fix size
9759 allocated for bb_info[n_entities].
9761 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9763 * gcc.c (main): Correct type that is allocated for
9764 explicit_link_files.
9766 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9768 * config/s390/s390.c (init_alignment_context): Set
9769 ALIAS_SET_MEMORY_BARRIER on the MEM.
9770 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9772 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9775 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9777 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9780 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9782 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9783 * regrename.c: Ditto.
9784 * tree-ssa-loop-im.c: Ditto.
9785 * tree-dump.c: Ditto.
9786 * tree-complex.c: Ditto.
9787 * genrecog.c: Ditto.
9788 * tree-ssa-threadupdate.c: Ditto.
9790 * java/class.c: Ditto.
9791 * java/jcf-parse.c: Ditto.
9792 * java/resource.c: Ditto.
9793 * java/except.c: Ditto.
9794 * java/jvspec.c: Ditto.
9795 * java/jcf-write.c: Ditto.
9796 * java/jcf-path.c: Ditto.
9797 * java/gjavah.c: Ditto.
9798 * java/zextract.c: Ditto.
9799 * java/jcf-io.c: Ditto.
9800 * java/jcf.h: Ditto.
9801 * java/buffer.c: Ditto.
9802 * java/lang.c: Ditto.
9803 * java/parse-scan.y: Ditto.
9804 * java/lex.c: Ditto.
9805 * java/lex.h: Ditto.
9806 * cfgloopmanip.c: Ditto.
9807 * postreload-gcse.c: Ditto.
9808 * tree-ssa-loop-manip.c: Ditto.
9809 * postreload.c: Ditto.
9810 * tree-ssa-loop-ch.c: Ditto.
9814 * diagnostic.c: Ditto.
9816 * genoutput.c: Ditto.
9818 * cfghooks.c: Ditto.
9819 * cfgloopanal.c: Ditto.
9820 * objc/objc-act.c: Ditto.
9822 * genextract.c: Ditto.
9823 * genautomata.c: Ditto.
9824 * pretty-print.c: Ditto.
9826 * cgraphunit.c: Ditto.
9829 * haifa-sched.c: Ditto.
9830 * dominance.c: Ditto.
9832 * tree-ssa-loop-ivopts.c: Ditto.
9834 * mode-switching.c: Ditto.
9835 * modulo-sched.c: Ditto.
9837 * ipa-pure-const.c: Ditto.
9839 * fix-header.c: Ditto.
9841 * tree-stdarg.c: Ditto.
9842 * ipa-utils.c: Ditto.
9843 * loop-init.c: Ditto.
9844 * ipa-inline.c: Ditto.
9847 * alloc-pool.c: Ditto.
9848 * dwarf2out.c: Ditto.
9850 * genattrtab.c: Ditto.
9851 * tree-ssa-loop-ivcanon.c: Ditto.
9855 * fortran/gfortranspec.c: Ditto.
9857 * local-alloc.c: Ditto.
9858 * langhooks.c: Ditto.
9859 * function.c: Ditto.
9860 * tree-vectorizer.c: Ditto.
9862 * ipa-type-escape.c: Ditto.
9864 * tree-if-conv.c: Ditto.
9867 * tree-data-ref.c: Ditto.
9868 * loop-unroll.c: Ditto.
9869 * treelang/treetree.c: Ditto.
9872 * ggc-common.c: Ditto.
9874 * coverage.c: Ditto.
9876 * tree-cfgcleanup.c: Ditto.
9877 * tree-ssa-pre.c: Ditto.
9878 * cfgcleanup.c: Ditto.
9879 * loop-invariant.c: Ditto.
9881 * ipa-prop.c: Ditto.
9882 * print-tree.c: Ditto.
9883 * conflict.c: Ditto.
9884 * ggc-page.c: Ditto.
9885 * sched-deps.c: Ditto.
9886 * regclass.c: Ditto.
9887 * tree-object-size.c: Ditto.
9889 * bb-reorder.c: Ditto.
9890 * resource.c: Ditto.
9891 * var-tracking.c: Ditto.
9893 * df-problems.c: Ditto.
9894 * reg-stack.c: Ditto.
9897 * sched-rgn.c: Ditto.
9898 * tree-ssa-structalias.c: Ditto.
9899 * tree-ssa-reassoc.c: Ditto.
9900 * config/darwin-c.c: Ditto.
9901 * config/darwin.c: Ditto.
9902 * config/arm/arm.c: Ditto.
9904 * collect2.c: Ditto.
9907 2006-01-31 Nicolas Pitre <nico@cam.org>
9909 * arm.md (smaxsi3): Make aware of smax_m1.
9912 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9914 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9916 2006-01-31 Richard Guenther <rguenther@suse.de>
9918 * doc/invoke.texi (-msselibm): Document.
9919 * target.h (expand_library_builtin): New target hook.
9920 * builtins.c (expand_builtin): Use expand_library_builtin.
9921 (default_expand_library_builtin): New function.
9922 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9923 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9924 (link_gcc_math_spec): Declare.
9925 (static_specs): Add link_gcc_math_spec.
9926 * expr.h (default_expand_library_builtin): Declare.
9927 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9928 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9929 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9930 * config/i386/i386.opt (msselibm): New target option.
9931 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9932 (ix86_init_sse_abi_builtins): New function.
9933 (ix86_expand_library_builtin): Likewise.
9934 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9935 (override_options): Handle error conditions wrt -msselibm.
9936 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9937 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9938 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9941 2006-01-31 Richard Guenther <rguenther@suse.de>
9942 Paolo Bonzini <bonzini@gnu.org>
9944 * doc/install.texi (--disable-libgcc-math): Document.
9946 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9948 * expr.h (expand_normal): new inline function.
9949 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9951 * dwarf2out.c: use it.
9956 * config/sparc/sparc.c: use it.
9957 * config/i386/i386.c: use it.
9958 * config/rs6000/rs6000.c: use it.
9959 * config/arm/arm.c: use it.
9960 * config/mips/mips.c: use it.
9961 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9963 2006-01-30 Roger Sayle <roger@eyesopen.com>
9965 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9966 argv to the appropriate type.
9968 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9970 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9973 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9976 * config/s390/s390.c (struct machine_function): New flag
9977 decomposed_literal_pool_addresses_ok_p.
9978 (s390_reorg): Set it before final stage of literal pool transforms.
9979 (s390_decompose_address): Only accept displacements of the form
9980 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9982 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9984 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9985 the comparison routine return.
9987 2006-01-30 Michael Matz <matz@suse.de>
9989 * global.c (find_reg): Only evict for global regs.
9990 Take n_refs into account and dump more info.
9992 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9995 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9996 (pragma_trap, pragma_nosave_low_regs): Likewise.
9997 (current_function_anonymous_args): Likewise.
9998 (sh_deferred_function_attributes): New variable.
9999 (sh_deferred_function_attributes_tail): Likewise.
10000 (print_operand): For '@', look up trap_exit attribute.
10001 (calc_live_regs): Look up trapa_handler attribute. For trapa
10002 handlers, save/restore fpscr, but don't do any other
10003 interrupt-specific saves.
10004 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10005 Fix check for partially saved registers to check for SHmedia.
10006 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10007 (sh_output_function_epilogue): Don't clear any of the removed
10009 (sh_insert_attributes): Don't check pragma_interrupt.
10010 Insert deferred attributes. Check that interrupt attribute is
10011 present for other attributes that require its presence.
10012 (sh_attribute_table): Add new attributes trapa_handler and
10014 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10015 Don't check for pragma_interrupt. Don't store argument.
10016 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10017 (sh_deferred_function_attributes): Declare.
10018 (sh_deferred_function_attributes_tail): Likewise.
10019 * sh.md (sp_switch_1): Add operand. Change generator caller.
10020 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10021 (*return_i): Don't use when trap_exit attribute is in effect.
10022 (*return_trapa): New insn pattern.
10023 * sh-c.c: New file.
10024 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10025 setting c_target_objs and cxx_target_objs.
10026 * t-sh: Add rule for sh-c.o.
10028 2006-01-30 Richard Guenther <rguenther@suse.de>
10031 * gimplify.c (gimplify_target_expr): Handle easy cases
10032 without creating a temporary.
10034 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10036 * vec.h (safe_grow): Remove duplicated line.
10038 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10041 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10042 (expand_omp): ... here.
10043 (expand_omp_parallel): Only remove barriers for combined
10044 parallel+workshare constructs.
10046 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10050 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10051 * tree.c (build_qualified_type): Chain the new type to the original
10052 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10053 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10054 (build_pointer_type_for_mode): Only return unqualified types.
10055 (build_reference_type_for_mode): Likewise.
10057 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10059 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10060 * Makefile.in (CXX_COMPAT_WARN): Define.
10061 * configure: Regenerate.
10063 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10066 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10069 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10071 * toplev.c: Fix thinko.
10073 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10074 Marcin Dalecki <martin@dalecki.de>
10076 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10077 (push_srcloc): Use XNEW.
10078 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10080 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10082 * df-core.c (df_set_blocks): Deleted all variable.
10084 2006-01-28 Ian Lance Taylor <ian@airs.com>
10086 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10087 cgraph_output_pending_asms.
10089 2006-01-28 Zack Weinberg <zackw@panix.com>
10091 * c.opt: Add -W(no-)overlength-strings.
10092 * doc/invoke.texi: Document it.
10093 * c-opts.c (c_common_handle_option): -pedantic implies
10094 -Woverlength-strings, if not explicitly disabled already.
10095 (c_common_post_options): -Woverlength-strings defaults to off, and
10096 is always off for C++.
10097 * c-common.c (fix_string_type): Issue warning about strings longer
10098 than is portable only if warn_overlength_strings. Rearrange code
10099 a little for clarity.
10100 * configure.in: Check for -Wno-overlength-strings as well before
10101 enabling -pedantic in stage 1.
10102 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10103 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10105 * genconditions.c (write_header, write_one_condition)
10106 (write_conditions, write_writer): Consolidate very long strings
10107 that were broken up to fit in C89 portable limit. Don't use
10108 printf when fputs will do.
10110 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10112 * combine.c (simplify_comparison <AND>): Check
10113 TRULY_NOOP_TRUNCATION before start using a subreg.
10115 * config/mips/mips.md (*branch_zero<mode>,
10116 *branch_zero<mode>_inverted, *branch_equality<mode>,
10117 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10118 Remove mode check from comparisons.
10120 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10122 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10124 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10126 * expmed.c (const_mult_add_overflow_p): Remove.
10127 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10129 * recog.c (validate_replace_rtx_subexp): Remove.
10130 * recog.h: Remove the prototype for
10131 validate_replace_rtx_subexp.
10133 * integrate.h: Remove the prototype for
10134 copy_decl_for_inlining.
10135 * rtl.h: Remove the prototype for mark_constant_function.
10136 * tree-vectorizer.h: Remove the prototype for
10137 vect_strip_conversion.
10139 * modulo-sched.c (create_partial_schedule,
10140 free_partial_schedule, reset_partial_schedule): Make them
10143 * hooks.c (hook_bool_rtx_int_false): Remove.
10144 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10146 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10148 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10149 and -mlong-double-128 are incompatible.
10150 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10151 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10152 (TARGET_LIBGCC2_CFLAGS): Define.
10153 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10154 (TARGET_LIBGCC2_CFLAGS): Same.
10155 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10157 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10160 * c-typeck.c (build_binary_op): Perform implicit casts of
10161 operands before shortening them.
10163 * cfgloopmanip.c (split_loop_bb): Remove.
10164 * cfgloop.h: Remove the prototype for split_loop_bb.
10166 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10167 * cfgloop.h: Remove the prototype for
10168 flow_loop_outside_edge_p.
10170 * emit-rtl.c (init_virtual_regs): Make it static.
10171 * function.h: Remove the prototype for init_virtual_regs.
10173 * recog.c (peephole2_optimize): Make it static.
10174 * recog.h: Remove the prototype for peephole2_optimize.
10176 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10178 * df-scan.c (df_record_entry_block_defs): Check if
10179 INCOMING_RETURN_ADDR_RTX is defined.
10181 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10182 Kenneth Zadeck <zadeck@naturalbridge.com>
10184 PR rtl-optimization/24762
10185 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10186 * targhooks.c (hook_void_bitmap): New hook prototype.
10187 * targhoohs.h (hook_void_bitmap): Ditto.
10188 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10189 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10190 * target.h (live_on_entry): New function pointer.
10191 * df-scan.c (df_all_hard_regs): Removed.
10192 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10193 (df_scan_free_internal): Added df->entry_block_defs.
10194 (df_scan_alloc): Ditto.
10195 (df_scan_dump): Ditto.
10196 (df_uses_record): Plumbed flag field properly thru calls.
10197 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10198 This part fixes PR24762.
10199 (df_bb_refs_record): Added code to make the frame and arg
10200 pointers live in EH blocks.
10201 (df_refs_record): Added call to df_record_entry_block_defs.
10202 (df_record_entry_block_defs): New function.
10203 * df-core.c: Added comments to describe new artifical defs.
10204 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10205 (entry_block_defs): New field in struct df.
10206 (df_all_hard_regs): Deleted.
10207 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10208 * df-problems.c (df_ru_bb_local_compute_process_def):
10209 Added code to handle artifical defs in the entry to a function.
10210 (df_ru_bb_local_compute): Ditto.
10211 (df_rd_bb_local_compute_process_def): Ditto.
10212 (df_rd_bb_local_compute): Ditto.
10213 (df_lr_bb_local_compute): Ditto.
10214 (df_ur_bb_local_compute): Ditto.
10215 (df_urec_bb_local_compute): Ditto.
10216 (df_chain_create_bb): Ditto.
10217 (df_ur_local_finalize): Removed entry.
10218 (df_urec_init): Ditto.
10219 (df_urec_local_finalize): Ditto.
10220 (df_ri_bb_compute): Added detection of last use of pseudos.
10221 * Makefile.in (df-scan.o): Updated dependencies.
10222 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10223 * config/mips/mips.c (mips_set_live_on_entry): Added.
10224 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10226 * dce.c (marked_insn_p): Added code to handle artifical defs.
10228 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10230 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10232 (_mm_cvtsi128_si64): Likewise.
10233 (_mm_cvtsd_si64): Likewise.
10234 (_mm_cvttsd_si64): Likewise.
10235 (_mm_cvtsi64_sd): Likewise.
10236 (_mm_cvtsi64_si128): Likewise.
10237 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10238 (_mm_cvtsi64_m64): Likewise.
10239 (_m_to_int64): Likewise.
10240 (_mm_cvtm64_si64): Likewise.
10241 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10242 (_mm_cvttss_si64): Likewise.
10243 (_mm_cvtsi64_ss): Likewise.
10244 (_mm_cvtss_f32): Likewise.
10246 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10248 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10249 for pragma redefine_extname.
10251 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10254 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10255 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10256 -mno-minimal-toc to previous content.
10257 (bispecs): Remove goal.
10258 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10259 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10260 compatibility aliases on powerpc-*-*gnu*.
10261 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10262 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10263 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10264 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10265 (ldblspecs): New goal.
10266 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10267 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10269 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10270 L_sf_to_tf or L_df_to_tf is defined.
10272 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10273 Alan Modra <amodra@bigpond.net.au>
10276 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10277 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10278 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10279 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10280 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10281 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10282 (rs6000_override_options): Initialize rs6000_ieeequad.
10283 Initialize TFmode format to ibm_extended_format if not
10285 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10287 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10288 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10289 (function_arg_advance): IBM long double passed in two FPRs, not
10291 (function_arg): IBM long double passed in FPRs.
10292 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10293 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10294 Only multireg GPR aligned.
10295 (rs6000_init_libfuncs): Enable IBM long double functions if not
10297 (rs6000_generate_compare): Use IBM long double compare if not
10299 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10300 (TARGET_IEEEQUAD): Define.
10301 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10302 not TARGET_IEEEQUAD.
10303 * config/rs6000/rs6000.md: Enable TFmode patterns if
10305 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10306 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10307 and -mlong-double-128 are incompatible.
10308 * doc/invoke.texi (-mabi): Collect options together. Add
10309 ibmlongdouble and ieeelongdouble.
10311 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10313 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10315 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10316 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10317 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10318 * rtl.h (rtunion_def): Remove rt_ptr.
10320 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10321 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10322 * config/i386/winnt.c (i386_pe_mark_dllexport)
10323 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10325 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10327 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10329 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10333 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10334 pthread_key_delete. From John David Anglin. gthrw-ify
10335 pthread_getunique_np only if it it's not a macro. Delete
10337 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10338 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10339 __gthread_objc_condition_signal, __gthread_key_delete): Add
10340 "__attribute__ ((__unused__))" to unused arguments.
10341 (__gthread_recursive_mutex_init_function): Add missing return.
10342 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10343 gthr-posix95.h: Use macro-based approach for name redirection
10344 on targets missing weakref.
10346 2006-01-26 Zack Weinberg <zackw@panix.com>
10348 * genconditions.c (write_header): In generated code, #ifdef out
10349 all includes and fake declarations, except includes of bconfig.h
10350 and system.h, unless GCC_VERSION >= 3001. Do not include
10351 gensupport.h in any case.
10352 (write_conditions): Generate a definition of struct c_test. Add
10353 a comment to the generated #endif.
10354 (write_one_condition): Escape backslashes in string too.
10355 (write_writer): Generated code must escape backslashes and quote
10356 marks (but not newlines) in the strings it writes.
10357 * Makefile.in (build/gencondmd.o): Update dependencies.
10359 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10362 * Makefile.in (insn-automata.o): Add header file dependencies.
10363 * genautomata.c: Add includes.
10365 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10368 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10370 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10372 * configure.ac: Expect target tools paths to be passed from the toplevel
10373 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10375 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10377 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10380 * c.opt (Wpointer-sign): Init to -1.
10381 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10382 OPT_pedantic, to 0 otherwise.
10383 * doc/invoke.texi: Update.
10385 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10387 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10388 constants provided by 80387 instructions in the destination mode.
10390 2006-01-26 Richard Guenther <rguenther@suse.de>
10391 Andrew Pinski <pinskia@physics.uc.edu>
10394 partial PR tree-opt/17064
10395 * tree-ssa-structalias.c (intra_create_variable_infos):
10396 Create heap variables for incoming parameters if
10397 flag_argument_noalias > 1.
10398 (find_what_p_points_to): Look through default defs of
10401 2006-01-26 Jeff Law <law@redhat.com>
10404 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10405 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10406 within the VR_RANGE, use the VR_RANGE as the result, not the
10408 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10409 bounds for the type.
10411 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10413 * tree-ssa-alias.c (maybe_create_global_var): Change
10414 subvar walking to an assertion that we don't have subvar'd variables.
10416 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10419 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10420 Use a new variable, inner. PARM_DECLs are always non-weak.
10422 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10424 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10425 --disable-checking.
10427 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10429 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10431 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10433 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10434 (smax_insn, smin_insn, smax_0, smin_0): New.
10436 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10439 * config/cris/cris.c (cris_order_for_addsi3): New function.
10440 * config/cris/cris-protos.h: Prototype it.
10441 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10442 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10443 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10444 (split for "op.S1 [rx=rx+i],ry (swapped)")
10445 (split for "op(s|u).S1 [rx=rx+i],ry")
10446 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10447 Apply cris_order_for_addsi3 when generating addsi3 insns.
10449 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10451 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10452 (TREE_BLOCK): Add call to EXPR_CHECK.
10454 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10457 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10458 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10459 (dump_omp_clauses): ... here.
10460 (dump_generic_node): Handle OMP_CLAUSE.
10461 * tree.c (omp_clause_num_ops): New.
10462 (omp_clause_code_name): New.
10463 (tree_code_size): Handle OMP_CLAUSE.
10464 (tree_size): Likewise.
10465 (make_node): Document handling of OMP_CLAUSE.
10466 (tree_node_structure): Handle OMP_CLAUSE.
10467 (omp_clause_check_failed): New.
10468 (omp_clause_range_check_failed): New.
10469 (omp_clause_operand_check_failed): New.
10470 (build_omp_clause): New.
10471 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10472 * tree.h (enum omp_clause_code): Declare.
10473 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10474 (OMP_CLAUSE_RANGE_CHECK): Define.
10475 (OMP_CLAUSE_ELT_CHECK): Define.
10476 (omp_clause_check_failed): Declare.
10477 (omp_clause_operand_check_failed): Declare.
10478 (omp_clause_range_check_failed): Declare.
10479 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10480 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10481 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10482 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10483 (OMP_CLAUSE_IF_EXPR): Likewise.
10484 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10485 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10486 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10487 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10488 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10489 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10490 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10491 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10492 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10493 (OMP_CLAUSE_CODE): Define.
10494 (OMP_CLAUSE_SET_CODE): Define.
10495 (OMP_CLAUSE_CODE): Define.
10496 (OMP_CLAUSE_OPERAND): Define.
10497 (struct tree_omp_clause): Declare.
10498 (union tree_node): Add field 'omp_clause'.
10499 * treestruct.def (TS_OMP_CLAUSE): Define.
10500 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10501 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10502 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10503 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10504 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10505 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10506 (OMP_CLAUSE): Define.
10507 * print-tree.c (print_node): Handle OMP_CLAUSE.
10508 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10509 * c-typeck.c: Likewise.
10510 * gimplify.c: Likewise.
10511 * c-omp.c: Likewise.
10512 * tree-nested.c: Likewise.
10513 * tree-inline.c: Likewise.
10514 * c-parser.c: Likewise.
10515 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10518 2006-01-25 Roger Sayle <roger@eyesopen.com>
10520 PR rtl-optimization/25703
10521 * combine.c (try_combine): Handle zero_extract and strict_low_part
10522 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10524 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10526 * global.c: Fix comment typos.
10528 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10531 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10532 Use output_addr_const instead of assemble_name.
10534 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10536 * Makefile.in (sched-vis.o): Update dependencies.
10537 * haifa-sched.c (sched_finish): Clear current_sched_info.
10538 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10539 (dump_flow_info): Call it.
10540 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10542 * basic-block.h (dump_bb_info): Declare.
10543 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10544 option, and apply options only for dump files whose TDF_RTL,
10545 TDF_TREE, or TDF_IPA bits match.
10546 * rtl.h: Declare new functions exported from sched-vis.c.
10547 * sched-vis.c: Enable also if scheduling is not used.
10548 (print_value): Print the mode of registers if not inside scheduling.
10549 (print_insn): Make it work outside the scheduler. Beautify the output
10551 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10553 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10555 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10556 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10557 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10558 depending on the value of CONSTANT_POOL_ADDRESS_P.
10559 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10561 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10562 rather than SYMBOL_REF_DECL.
10563 (rtx_constant_pool): Remove const_rtx_sym_htab.
10564 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10565 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10566 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10567 Remove handling of const_rtx_sym_htab.
10568 (find_pool_constant): Delete.
10569 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10570 rather than find_pool_constant.
10571 (get_pool_constant_for_function): Delete.
10572 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10573 find_pool_constant.
10574 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10575 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10576 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10577 (SYMBOL_REF_CONSTANT): New macro.
10578 (get_pool_constant_for_function): Delete.
10579 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10580 rather than SYMBOL_REF_DECL.
10581 (i386_pe_mark_dllimport): Likewise.
10582 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10583 rather than SYMBOL_REF_DECL.
10584 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10585 (machopic_indirect_call_target): Likewise.
10587 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10589 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10591 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10593 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10595 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10597 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10599 2006-01-24 David Daney <ddaney@avtrex.com>
10602 * configure.ac (enable_tls): New enable option.
10603 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10604 * configure: Regenerate.
10605 * doc/install.texi (--enable-tls): Document new option.
10606 (--disable-tls): Ditto.
10608 2006-01-24 Richard Henderson <rth@redehat.com>
10610 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10611 * alias.c (true_dependence): Respect it.
10612 (canon_true_dependence, write_dependence_p): Likewise.
10613 * builtins.c (get_builtin_sync_mem): Set it.
10615 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10617 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10620 2006-01-24 DJ Delorie <dj@redhat.com>
10622 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10623 for storing constants in single-bit bitfields.
10625 2006-01-25 Ben Elliston <bje@au.ibm.com>
10627 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10629 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10632 * tree-ssa-pre.c (phi_translate): Return NULL
10633 for AGGREGATE_TYPE's.
10635 2006-01-24 Zack Weinberg <zackw@panix.com>
10637 * genautomata.c (process_state_for_insn_equiv_partition):
10638 Use xcalloc for insn_arcs_array.
10639 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10640 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10642 2006-01-24 Richard Henderson <rth@redhat.com>
10644 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10645 update all callers.
10647 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10649 PR rtl-optimization/25890
10650 PR rtl-optimization/25905
10651 * combine.c (expand_compound_operation, expand_field_assignment):
10652 Fail if the bitfield's final position is out of bounds.
10654 2006-01-24 Ian Lance Taylor <ian@airs.com>
10656 PR middle-end/25930
10657 * cgraphunit.c (cgraph_output_in_order): Don't clear
10658 cgraph_asm_nodes until after asm strings have been output.
10660 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10662 * fix-header.c (read_scan_file): Add new parameter imultilib when
10663 calling register_include_chains.
10665 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10667 * omp-low.c: Update documentation.
10669 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10670 Daniel Berlin <dberlin@dberlin.org>
10674 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10675 return from the function.
10677 2006-01-22 Zack Weinberg <zackw@panix.com>
10679 * rtl.def (match_code): Add second argument.
10680 * genpreds.c (write_extract_subexp): New function.
10681 (write_match_code): Add path argument. Use write_extract_subexp.
10682 (write_predicate_expr): Pass path to write_match_code.
10683 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10684 not perform a mode test.
10685 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10686 a subexpression does not constrain the top-level code set.
10687 * read-rtl.c (read_rtx_variadic): New function.
10688 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10689 * doc/md.texi: Document new notation.
10690 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10691 (cmpsi_operand): ... here, using new notation.
10693 2006-01-22 Zack Weinberg <zackw@panix.com>
10695 * varray.c: Remove GENERATOR_FILE #ifdefs.
10697 2006-01-22 Zack Weinberg <zackw@panix.com>
10699 * genautomata.c (output_reserved_units_table): Emit nothing if
10700 description->query_units_num is zero. Remove extra blank line.
10701 (output_cpu_unit_reservation_p): Short circuit
10702 if description->query_units_num is zero.
10704 2006-01-22 Zack Weinberg <zackw@panix.com>
10706 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10707 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10708 nor any of the random handful of variables that used to be necessary
10709 when this program was linked with rtlanal.o. Prune set of forward
10710 function declarations.
10711 (struct attr_desc): Remove static_p field.
10712 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10713 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10714 (attr_string): Do not read the character one past the length of
10716 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10717 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10718 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10719 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10720 (make_automaton_attrs): New.
10721 (main): Do not call into genautomata. Call local gen_bypass
10722 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10723 Remove special case for insn_alts.
10724 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10725 varray.h (leftover from previous change). Prune set of forward
10726 function declarations. Remove state_alts fields from all
10727 structures. Remove state_alts_table from struct automaton.
10728 Make everything except main static. Do not maintain num_dfa_decls.
10729 Do not maintain state_alts fields of various structures.
10730 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10731 (add_arc): Remove state_alts argument. All callers updated.
10732 (output_reserved_units_table): Emit #ifdef here...
10733 (output_tables): ...not here. Don't generate state_alts tables.
10734 (expand_automata): Don't generate attributes.
10735 (write_automata): Don't generate state_alts functions.
10736 (main): New function.
10737 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10738 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10739 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10740 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10741 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10742 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10743 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10744 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10746 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10747 * genattrtab.h: Delete file.
10748 * Makefile.in (OBJS-common): Add insn-automata.o.
10749 (insn-automata.o): New rule.
10750 (simple_generated_c): Add insn-automata.c.
10751 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10752 (genprogmd): Add automata.
10753 (build/genattrtab): Needs no extra objects nor libraries.
10754 (build/genautomata): Needs build/vec.o and -lm.
10756 2006-01-22 Zack Weinberg <zackw@panix.com>
10758 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10759 (output_dfa_max_issue_rate, locked_states_num): Delete.
10760 (struct automaton): Add locked_states field.
10761 (output_dead_lock_vect): Save number of locked states in
10762 automaton->locked_states. If it is zero, don't print anything.
10763 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10764 (output_internal_dead_lock_func): Only test the dead_lock_vect
10765 for automata that have locked states.
10766 (output_statistics): Always print the number of locked states for
10767 each automaton. Calculate total number of locked states here.
10768 (write_automata): Don't call output_dfa_max_issue_rate.
10769 * genattrtab.c: Define length_unit_log as a const variable.
10770 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10771 max_insn_queue_index const.
10772 * final.c (length_unit_log): Declare const.
10773 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10775 2006-01-22 Zack Weinberg <zackw@panix.com>
10777 * genautomata.c: Include vec.h, not varray.h.
10778 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10779 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10780 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10781 VEC_* macros operating on appropriately typed vectors, or to
10782 malloced arrays when the size is known in advance. Const-ify
10783 many char* variables and function arguments. No functional changes.
10784 * Makefile.in (build/varray.o): Delete rule.
10785 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10786 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10788 2006-01-22 Zack Weinberg <zackw@panix.com>
10790 * gensupport.c: Define get_insn_name and record_insn_name here.
10791 (read_md_rtx): Call record_insn_name as appropriate.
10792 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10793 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10794 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10796 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10797 (BUILD_VARRAY): Delete.
10798 (genprognormal): Rename genprogmd. Fold in all programs from
10799 genprognoprint; also attrtab.
10800 (build/genattrtab): Just mention genautomata.o and varray.o.
10801 Reorganize a bit, add comments to make the categories clearer.
10803 2006-01-22 Zack Weinberg <zackw@panix.com>
10805 * genconditions.c (condition_table, add_condition): Delete.
10806 (write_conditions): Don't emit n_insn_conditions nor
10807 insn_elision_unavailable. Issue the gcc version #ifdef here,
10808 inside the table, with no #else clause ...
10809 (write_header): ...not here.
10810 (write_writer): New function.
10811 (main): Don't initialize condition_table. Use add_c_test.
10813 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10814 files on the command line.
10815 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10816 Return -1 if there is no entry in the table, don't abort.
10817 (add_c_test, traverse_c_tests): New functions.
10818 * gensupport.h (insn_elision_unavailable, insn_conditions)
10819 (n_insn_conditions): Delete declarations.
10820 (add_c_test, traverse_c_tests): Declare.
10821 * read-rtl.c: Include gensupport.h.
10822 (read_conditions): New function.
10823 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10824 (read_rtx_1): If we get EOF when we were looking for an initial
10825 open paren, return 0. Call read_conditions when appropriate.
10826 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10827 dummy-conditions.o. Eliminate references to insn-conditions.o,
10828 or change them to build/gencondmd.o, as appropriate. Remove
10829 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10830 from $(simple_generated_c). For all files remaining in those
10831 two lists, add insn-conditions.md to the generator command line.
10832 Give insn-constants.h/s-constants their own rules. Add rules
10833 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10834 (build/read-rtl.o): Depend on gensupport.h.
10835 (genprognormal): Include preds.
10836 (genprogearly): Rename genprognoprint; only difference is now that
10837 they don't link with $(BUILD_PRINT).
10838 * dummy-conditions.c: Delete.
10840 2006-01-22 Zack Weinberg <zackw@panix.com>
10842 * genextract.c: Don't include insn-config.h. Do include vec.h.
10843 Declare vectors of int, char, and locstr.
10844 (locstr): New typedef.
10845 (struct extraction): Make all array fields into bare pointers.
10846 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10847 (insn_code_number): Delete.
10848 (accum_extract): New struct.
10849 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10850 (gen_insn): Take insn_code_number as an argument. Use an
10851 accum_extract structure instead of loading data directly into
10852 a struct extraction, and having to know how big it might get.
10853 (walk_rtx): Operate entirely on an accum_extract structure.
10854 (print_path): Avoid unnecessary use of printf.
10855 (print_header): New function, split out of main. Distinguish
10856 more carefully between an unrecognizable insn and an insn that
10857 has the code number of a define_expand.
10858 (main): Pass insn_code_number to gen_insn. Call print_header
10859 only after parsing. Avoid unnecessary use of printf.
10860 * Makefile.in (build/vec.o): New rule.
10861 (build/genextract): Depend on build/vec.o.
10862 (build/genextract.o): Don't depend on insn-config.h.
10864 2006-01-22 Zack Weinberg <zackw@panix.com>
10866 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10867 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10868 practical. Eliminate per-generator-program link rules.
10870 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10872 PR middle-end/24437
10873 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10874 with a call expr to ...
10875 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10877 2006-01-23 Richard Guenther <rguenther@suse.de>
10879 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10880 before make_edge with conditional EDGE_TRUE_VALUE.
10882 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10883 Jan Hubicka <jh@suse.cz>
10884 Richard Guenther <rguenther@suse.de>
10886 PR rtl-optimization/25654
10887 * cfgexpand.c (aggregate_contains_union_type): New function.
10888 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10889 for structure variables that contain a union type.
10891 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10893 * gengtype.c (new_structure): Return the structure.
10894 (create_option): Add an extra "next" argument.
10895 (create_field): New function.
10896 (adjust_field_rtx_def): Use create_option and create_field.
10897 Remove a now-unnecessary call to find_structure.
10898 (adjust_field_tree_def): Likewise.
10899 (note_yacc_type): Remove an unnecessary call to find_structure.
10900 * gengtype.h (new_structure): Return the structure.
10901 (create_option): Add an extra argument.
10902 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10903 (option): Adjust calls to create_option.
10905 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10907 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10909 2006-01-22 Paul Brook <paul@codesourcery.com>
10910 Peter Barada <peter@the-baradas.com>
10912 * config/m68k/m68k.md: Add Coldfire FPU support.
10913 Define FP mode macro and associated attributes.
10914 Use it for float mode patterns.
10915 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10916 (LIBCALL_VALUE): Use m68k_libcall_value.
10917 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10918 (m68k_function_value): Ditto.
10919 (emit_move_sequence): Ditto.
10920 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10921 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10922 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10923 (MULTILIB_EXCEPTIONS): Ditto.
10924 * config/m68k/m68k.opt: Add mcfv4e.
10925 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10926 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10927 (m68k_output_function_prologue): Save ColdFire FPU registers.
10928 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10929 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10930 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10931 ColdFire FPU registers.
10932 (m68k_libcall_value, m68k_function_value): New functions.
10933 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10934 (LIBCALL_VALUE): Use m68k_libcall_value.
10935 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10936 (MASK_COLDFIRE): Add MASK_CFV4E.
10937 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10938 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10939 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10940 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10941 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10942 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10943 * doc/invoke.tex: Document -mcfv4e on m68k.
10945 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10947 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10950 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10953 * c-opts.c (c_common_handle_option): Don't include
10954 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10955 * doc/invoke.texi (C++ Dialect Options): Document that
10956 -Wnon-virtual-dtor is no longer included in -Wall.
10958 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10960 * gcov.c (print_version), gcov-dump.c (print_version),
10961 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10964 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10966 * df-scan.c (problem_SCAN): Added NULL reset function.
10967 (df_scan_reset_blocks): Added code to call reset block function
10968 (df_bb_refs_delete) Fixed comment.
10969 (df_insn_refs_delete): Made tolerant of deleting non existent info
10970 for dataflow problems that need to be reset.
10971 * df-core.c (df_set_blocks): Ditto.
10972 * df.h (struct df_problem): Added reset_fun.
10973 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10974 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10975 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10976 functions to clear out all references to def-use or use-def chains.
10978 2006-01-21 Ben Elliston <bje@au.ibm.com>
10980 * varasm.c (assemble_real): Initialise data array.
10982 2006-01-20 Paul Brook <paul@codesourcery.com>
10984 Merge from csl-arm-branch.
10985 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10986 * config/arm/arm.md (movdi): Force operands[1] to a register
10987 if we have a non-register source.
10988 (*arm_movdi, *movdf_soft_insn): Require that one of the
10989 operands be a register.
10990 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10991 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10993 2006-01-20 DJ Delorie <dj@redhat.com>
10995 * varasm.c (initializer_constant_valid_p): Allow pointers
10996 initialized from integer constants of lesser precision.
10997 (output_constant): Allow non-int-sized pointer modes to be
10998 initialized from integer constants.
11000 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11003 * cppdefault.h (struct default_include): Add multilib flag.
11004 * cppdefault.c (cpp_include_defaults): Set it.
11005 * c.opt (-imultilib): New option.
11006 * c-opts.c (imultilib): New.
11007 (c_common_handle_option): Handle -imultilib.
11008 (c_common_post_options): Likewise.
11009 * c-incpath.c (add_standard_paths, register_include_chains):
11011 * c-incpath.h (register_include_chains): Add extra parameter.
11012 * gcc.c (do_spec_1): Generate -imultilib option.
11013 (The Specs Language): Update %I description.
11014 (process_command): Update copyright notice.
11015 * doc/cppopts.texi (-imultilib): Document.
11016 * doc/invoke.texi (-imultilib): Include in option summary.
11017 (%I): Update specs documentation.
11019 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11021 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11023 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11025 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11028 2006-01-20 Richard Guenther <rguenther@suse.de>
11029 Steven Bosscher <stevenb.gcc@gmail.com>
11031 PR rtl-optimization/24626
11032 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11033 EDGE_TRUE_VALUE if in RTL mode.
11036 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11037 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11039 2006-01-20 Dirk Mueller <dmueller@suse.com>
11042 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11043 instead of a special NOP marker.
11044 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11045 NOP marker handling.
11046 * c-common.h (empty_body_warning): Add forward declaration.
11047 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11048 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11050 2006-01-20 Paul Brook <paul@codesourcery.com>
11052 * Makefile.in (lang_checks): Keep going if mkdir fails.
11054 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11056 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11057 be able to clean out basic block when not necessary.
11058 (df_scan_free): Fixed to properly delete information if df is
11059 unused before calling df_finish.
11060 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11061 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11063 (df_bb_refs_delete): New function.
11064 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11065 * df-core.c (df_set_blocks): Added code to properly clean out
11066 unused blocks if they are not part of the blocks to consider.
11067 Added additional null check.
11068 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11069 be able to clean out basic block when not necessary
11070 * df.h (df_free_bb_function): Ditto.
11071 (df_bb_refs_delete): New function.
11072 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11073 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11074 basic block parameter to be able to clean out basic block when not
11076 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11077 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11078 Fixed to properly delete information if df is unused before
11081 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11083 PR rtl-optimization/25799
11084 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11085 Corrected confluence operator to remove bits from op2 before oring
11086 with op1 rather than removing bits from op1.
11087 (df_ru_transfer_function): Corrected test on wrong bitmap which
11088 caused infinite loop. Both of these problems were introduced in
11089 the dataflow rewrite.
11091 2006-01-19 DJ Delorie <dj@redhat.com>
11093 * reload1.c (find_reload_regs): Note the details of reload
11094 failures in the dump file.
11095 (spill_failure): Likewise.
11097 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11099 * loop-iv.c: Include df.h and hashtab.h.
11100 (enum iv_grd_result): New enum.
11101 (DF_REF_IV, DF_REF_IV_SET): New macros.
11102 (struct biv_entry): New.
11103 (df, bivs): New global variables.
11104 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11105 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11107 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11108 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11109 analyzed_for_bivness_p, record_biv): New functions.
11110 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11111 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11112 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11114 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11116 (iv_number_of_iterations): Use new interface to iv analysis.
11117 * loop-unroll.c: Do not include varray.h.
11118 (analyze_iv_to_split_insn): Use new interface to iv
11120 * loop-unswitch.c (may_unswitch_on): Ditto.
11121 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11123 (df_bb_modify): Realloc tables to the new index.
11124 (df_find_use): New function.
11125 * df.h (df_find_use): Declare.
11126 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11128 * cfgloop.h (struct rtx_iv): Remove analysed field.
11129 (iv_get_reaching_def): Removed.
11130 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11131 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11132 (loop-iv.o): Add df.h and hashtab.h dependency.
11133 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11135 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11138 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11140 (__floatundisf, __floatundidf): Likewise.
11141 * libgcc2.h (IS_IBM_EXTENDED): Define.
11143 2006-01-19 DJ Delorie <dj@redhat.com>
11145 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11147 2006-01-19 Paul Brook <paul@codesourcery.com>
11149 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11150 as nothrow when unwinding tables are disabled.
11152 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11155 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11156 of bit-field" when in system header.
11158 2006-01-19 DJ Delorie <dj@redhat.com>
11160 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11161 the 16 bit shift limit of the m16c.
11163 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11166 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11167 * config/i386/i386.c (output_set_got): Output the label if we have one
11168 for the TARGET_DEEP_BRANCH_PREDICTION case.
11170 2006-01-19 Jan Hubicka <jh@suse.cz>
11171 H.J. Lu <hongjiu.lu@intel.com>
11172 Evandro Menezes <evandro.menezes@amd.com>
11174 * invoke.texi (generic): Document
11176 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11177 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11178 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11179 (x86_use_incdec, x86_pad_returns): New variables
11180 (TARGET_CPU_DEFAULT_generic): New constant
11181 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11182 (enum processor_type): Add generic32 and generic64.
11183 * i386.md (cpu attribute): Add generic32/generic64
11184 (movhi splitter): Behave sanely when both partial_reg_dependency and
11185 partial_reg_stall are set.
11186 (K8 splitters): Enable for generic as well.
11187 * predicates.md (incdec_operand): Use TARGET_INCDEC
11188 (aligned_operand): Avoid memory mismatch stalls.
11189 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11190 * ppro.md: Enable for generic32
11191 * i386.c (generic64_cost, generic32_cost): New.
11192 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11193 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11194 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11195 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11196 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11197 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11198 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11199 x86_accumulate_outgoing_args, x86_prologue_using_move,
11200 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11201 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11202 Enable for generic.
11203 (x86_use_incdec, x86_pad_returns): New.
11204 (override_options): Add generic32 and generic64, translate "generic"
11205 to generic32/generic64 and "i686" to "generic32", refuse
11206 "generic32"/"generic64" as arch target.
11207 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11208 (ix86_reorg): Honor PAD_RETURNS.
11210 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11212 * tree-pretty-print.c (dump_generic_node): Handle
11213 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11214 * cgraph.c (cgraph_expand_queue): Rename from
11215 cgraph_analyze_queue. Update all users.
11216 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11217 cgraph_expand_queue.
11218 (cgraph_expand_all_functions): Likewise.
11219 (cgraph_finalize_pending_functions): Remove. Update callers.
11221 * tree.h (OMP_DIRECTIVE_P): Define.
11222 (OMP_PARALLEL_FN): Define.
11223 (OMP_PARALLEL_DATA_ARG): Define.
11224 (OMP_SECTIONS_SECTIONS): Define.
11225 * tree-pass.h (pass_expand_omp): Declare.
11226 * omp-low.c (struct omp_region): Declare.
11227 (struct omp_context): Remove fields 'parallel_type',
11228 'parallel_start_ix' and 'parallel_start_additional_args'.
11230 (struct omp_for_data): Rename from struct expand_omp_for_data.
11231 (omp_regions): New static variable.
11232 (root_omp_region): New static variable.
11233 (find_omp_clause): Make static.
11234 (is_in_combined_parallel_ctx): Remove.
11235 (is_combined_parallel): New.
11236 (extract_omp_for_data): Move earlier in the file.
11237 (workshare_safe_to_combine_p): New.
11238 (get_ws_args_for): New.
11239 (determine_parallel_type): Move earlier in the file.
11240 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11242 (omp_copy_decl): Likewise.
11243 (create_omp_child_function): Likewise.
11244 (lookup_omp_region): New.
11245 (dump_omp_region): New.
11246 (debug_omp_region): New.
11247 (debug_all_omp_regions): New.
11248 (new_omp_region): New.
11249 (scan_omp_parallel): If parallel_nesting_level > 1, the
11250 directive is nested within another parallel directive.
11251 Set OMP_PARALLEL_FN.
11252 (scan_omp_for): Do not try to handle combined parallel+for
11254 Remove FIXME comment.
11255 (scan_omp_nested): Remove.
11256 (scan_omp_1): Do not call scan_omp_nested when
11257 parallel_nesting_level is > 1.
11258 Do not change the DECL_CONTEXT of local variables found.
11259 (lookup_decl_in_outer_ctx): New.
11260 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11261 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11262 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11263 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11264 If CTX is nested, lookup VAR in the outer context when
11265 building copy assignment.
11266 (lower_send_clauses): Rename from expand_send_clauses.
11267 If CTX is nested, lookup VAR in the outer context when
11268 building copy assignments.
11269 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11270 If CTX is nested, lookup VAR in the outer context when
11271 building copy assignments.
11272 (expand_parallel_call): Rename from build_parallel_call.
11273 Handle combined parallel+workshare cases.
11274 Re-implement to emit code into the CFG.
11276 (expand_omp_parallel): Re-implement to emit code into the CFG.
11277 Call move_sese_region_to_fn to outline the sub-graph
11278 containing the parallel region.
11279 (expand_omp_for_1): Remove.
11280 (expand_omp_for_generic): Re-implement to emit code into the
11282 (expand_omp_for_static_nochunk): Likewise.
11283 (expand_omp_for_static_chunk): Likewise.
11284 (expand_omp_for): Likewise.
11285 (expand_omp_sections): Likewise.
11286 (remove_exit_barriers): New.
11287 (expand_omp_synch): New.
11289 (build_omp_regions_1): New.
11290 (build_omp_regions): New.
11291 (execute_expand_omp): New.
11292 (gate_expand_omp): New.
11293 (pass_expand_omp): Define.
11294 (lower_omp_sections): Rename from expand_omp_sections.
11295 Set OMP_SECTIONS_SECTIONS.
11296 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11297 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11298 (lower_omp_single): Rename from expand_omp_simple.
11299 (lower_omp_master): Rename from expand_omp_master.
11300 (lower_omp_ordered): Rename from expand_omp_ordered.
11301 (lower_omp_critical): Rename from expand_omp_critical.
11302 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11303 (lower_omp_for): Re-implement.
11304 (lower_omp_parallel): Re-implement.
11305 (lower_regimplify): Rename from expand_regimplify.
11306 (lower_omp_1): Rename from expand_omp_1.
11307 If there are syntax errors in the program, replace every
11308 OpenMP directive with NOP.
11309 Call lower_omp_* instead of expand_omp_*.
11310 (lower_omp): Rename from expand_omp.
11312 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11313 * tree-gimple.h (enum omp_parallel_type): Remove.
11314 (gimple_boolify): Declare extern.
11315 (find_omp_clause, determine_parallel_type): Remove.
11317 * gimple-low.c (lower_omp_directive): New.
11318 (lower_stmt): Call it.
11319 (record_vars_into): Move from ...
11320 (record_vars): ... here.
11321 Call record_vars_into with current_function_decl.
11323 * gimplify.c (struct gimplify_ctx): Remove fields
11324 combined_pre_p and combined_ctxp. Update users.
11325 (get_formal_tmp_var): Add documentation.
11326 (gimple_boolify): Make extern.
11327 (gimplify_expr_in_ctx): Remove. Update callers.
11328 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11329 will always be a BIND_EXPR.
11330 (gimplify_expr): Handle OMP_RETURN_EXPR.
11331 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11332 (OMP_PARALLEL): Add 3 operands.
11333 (OMP_SECTIONS): Add 1 operand.
11334 (OMP_RETURN_EXPR): Define.
11336 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11337 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11338 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11339 creating a circular free list.
11340 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11342 * tree-flow.h (move_sese_region_to_fn): Declare.
11343 (record_vars_into): Declare.
11344 * tree-cfg.c (make_omp_sections_edges): New.
11345 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11346 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11347 OMP_SECTIONS and OMP_SECTION.
11348 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11349 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11350 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11351 (gather_blocks_in_sese_region): New.
11352 (struct move_stmt_d): Declare.
11353 (move_stmt_r): New.
11354 (move_block_to_fn): New.
11355 (move_sese_region_to_fn): New.
11357 * passes.c (init_optimization_passes): Schedule
11358 pass_expand_omp after pass_init_datastructures.
11360 * tree-ssa-operands.c (get_expr_operands): Handle
11361 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11362 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11364 2006-01-19 Jeff Law <law@redhat.com>
11366 * tree-vrp.c (extract_range_from_assert): Refine the result range
11367 if the variable referenced by the ASSERT_EXPR has a range and
11368 either the tentative result range or the previous range is a
11371 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11373 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11375 2006-01-19 Jan Hubicka <jh@suse.cz>
11377 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11379 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11381 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11382 (expand_compound_operation, expand_field_assignment): Fail if the
11383 bit lengths of an extract operation are out of range.
11384 (make_extraction): Compute wanted_inner_mode based on the position
11385 and length of the extraction. Make it extraction_mode for non-constant
11386 positions, and do not modify offset in that case. When generating a
11387 new MEM, use a mode that can hold the extraction while keeping correct
11388 alignment. Remove code that supported MEMs wrapped by USEs.
11389 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11391 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11393 * config/s390/s390.md ("Y", "y"): New mode attribute.
11394 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11395 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11396 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11397 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11398 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11399 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11400 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11401 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11402 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11403 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11404 "addsi3", "subsi3"): Insn patterns removed.
11405 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11406 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11407 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11408 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11409 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11410 "*sub<mode>3_cconly2"): New insn patterns.
11411 ("addsi3", "subsi3"): New expanders.
11413 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11415 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11416 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11417 existing STMT_VINFO_VECTYPE if available.
11418 (vect_mark_relevant): Add special handling for stmts that are
11419 marked as STMT_VINFO_IN_PATTERN_P.
11420 (vect_analyze_loop): Call vect_pattern_recog.
11421 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11422 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11424 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11425 (vect_recog_func_ptr): New function-pointer type.
11426 * tree-vect-patterns.c: New file.
11427 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11428 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11429 (vect_pattern_recog_1): New functions.
11430 (vect_pattern_recog_funcs): New array of function pointers.
11432 * tree-vectorizer.h (ternary_op): New enum value.
11433 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11434 declaration. Revised documentation. Removed redundant dump prints.
11435 Removed redundant argument. Added support for reduction patterns.
11436 (vectorizable_reduction): Added support for reduction patterns.
11437 (vect_transform_stmt): Added support for patterns.
11439 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11440 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11441 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11442 (expand_widen_pattern_expr): New function.
11443 (init_optabs): Initialize new optabs udot_prod_optab,
11445 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11446 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11447 (expand_widen_pattern_expr): New function declaration.
11448 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11450 * tree-inline.c (estimate_num_insns_1): Added cases for new
11451 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11452 * tree-pretty-print.c (dump_generic_node): Likewise.
11453 (op_prio): Likewise.
11454 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11455 * tree-ssa-operands.c (get_expr_operands): Added case for
11457 * tree-vect-patterns.c (widened_name_p): New function.
11458 (vect_recog_dot_prod_pattern): Added function implementation.
11459 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11460 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11461 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11462 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11464 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11465 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11466 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11467 (init_optabs): Initialize new optabs widen_ssum_optab,
11469 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11470 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11471 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11472 use instead of type of def.
11473 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11474 function implementation.
11475 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11476 widen_ssumv8hi): New.
11478 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11481 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11484 * c-decl.c (add_flexible_array_elts_to_size): New function.
11485 (finish_decl): Use it.
11487 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11489 * diagnostic.h: Include options.h.
11490 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11491 dependancies for diagnostic.h.
11492 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11494 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11496 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11497 (ssa_ro_call_cache_valid): Ditto.
11498 * tree-ssa-alias.c (sort_tags_by_id): New function.
11499 (init_transitive_clobber_worklist): Ditto.
11500 (add_to_worklist): Ditto.
11501 (mark_aliases_call_clobbered): Ditto.
11502 (compute_tag_properties): Ditto.
11503 (set_initial_properties): Ditto.
11504 (compute_call_clobbered): Ditto.
11505 (compute_may_aliases): Call compute_call_clobbered and grouping.
11506 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11507 (compute_flow_insensitive_aliasing): Grouping now happens in our
11509 (setup_pointers_and_addressables): Remove clobbering related code.
11510 (add_may_alias): Ditto.
11511 (replace_may_alias): Ditto.
11512 (get_nmt_for): Ditto.
11513 (create_global_var):
11514 (is_escape_site): Return an escape_type enumeration.
11515 * tree-flow-inline.h (is_call_clobbered): Global var does not
11516 imply call clobbered.
11517 (mark_call_clobbered): Take a reason for marking this. Remove
11518 marking of globalness, and cache invalidation.
11519 (clear_call_clobbered): Remove cache invalidation code.
11520 * tree-dfa.c (dump_variable): If details is on, dump the reason
11522 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11524 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11525 (struct var_ann_d): Ditto.
11526 (enum escape_type): New.
11527 (mark_call_clobbered): Adjust prototype.
11528 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11529 are never call clobbered.
11530 Record reasons for escaping.
11531 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11532 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11533 (ssa_ro_call_cache_valid): Ditto.
11534 (clobbered_v_may_defs): Ditto.
11535 (clobbered_vuses): Ditto.
11536 (ro_call_vuses): Ditto.
11537 (clobber_stats): New.
11538 (init_ssa_operands): Zero out clobber stats.
11539 (fini_ssa_operands): Print out clobber stats.
11540 (get_call_expr_operands): Pass callee fndecl to
11541 add_call_read_ops).
11542 (add_call_clobber_ops): Remove use of cache.
11543 Add use of PURE_CONST information.
11544 (add_call_read_ops): Remove use of cache.
11545 Add use of static not_read information.
11547 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11549 Introduce TLS descriptors for i386 and x86_64.
11550 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11551 (TARGET_ANY_GNU_TLS): New macro.
11552 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11553 (struct machine_function): Add tls_descriptor_call_expanded_p.
11554 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11555 (ix86_current_function_calls_tls_descriptor): Likewise.
11556 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11557 (override_options): Introduce gnu2 tls dialect.
11558 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11560 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11562 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11563 (ix86_init_machine_status): Initialize new field.
11564 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11565 (ix86_tls_module_base): New.
11566 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11567 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11568 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11569 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11570 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11571 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11572 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11573 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11574 * config/i386/predicates.md (tls_modbase_operand): New.
11575 (tp_or_register_operand): New.
11577 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11579 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11580 (look_for_address_of): Ditto.
11581 (ipa_init): Walk the function decls.
11582 (static_execute): Don't set readonly on FUNCTION_DECL's.
11584 2006-01-18 Roger Sayle <roger@eyesopen.com>
11586 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11587 for shifts where the source and destination registers are different.
11589 2006-01-18 Paul Brook <paul@codesourcery.com>
11591 Merge from csl-arm-branch.
11592 2005-03-14 Julian Brown <julian@codesourcery.com>
11593 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11594 (aeabi_llsl): Likewise.
11595 (ashrdi3): Likewise.
11596 (aeabi_lasr): Likewise.
11597 (lshrdi3): Likewise.
11598 (aeabi_llsr): Likewise.
11599 2005-03-10 Julian Brown <julian@codesourcery.com>
11600 * config.gcc: Disable shared libgcc for SymbianOS.
11601 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11603 2006-01-18 DJ Delorie <dj@redhat.com>
11605 * c-pragma.c (handle_pragma_diagnostic): New.
11606 (init_pragma): Register it.
11607 * doc/extend.texi: Document it.
11609 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11610 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11611 (diagnostic_context): Add classify_diagnostic[].
11612 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11613 as errors if they're overridden to DK_WARNING.
11614 (diagnostic_initialize): Initialize classify_diagnostic[].
11615 (diagnostic_set_kind_override): New.
11616 (diagnostic_report_diagnostic): Check for kind changes.
11617 * opts.c (common_handle_option): Take lang_mask. Update callers.
11618 Handle OPT_Werror_.
11619 * common.opt (Werror=): New.
11620 * doc/invoke.texi: Document -Werror=*
11622 2006-01-18 Jeff Law <law@redhat.com>
11624 * tree-vrp.c (test_for_singularity): Correct test for new
11625 min limit. Use operand_equal_p rather than pointer equality
11626 for testing if new min/max values are equal.
11628 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11629 using range information until after propagation and folding.
11631 2006-01-18 Richard Henderson <rth@redhat.com>
11632 Aldy Hernandez <aldyh@redhat.com>
11633 Jakub Jelinek <jakub@redhat.com>
11634 Diego Novillo <dnovillo@redhat.com>
11636 * omp-low.c: New file.
11637 * c-omp.c: New file.
11639 2006-01-18 Richard Henderson <rth@redhat.com>
11640 Jakub Jelinek <jakub@redhat.com>
11641 Diego Novillo <dnovillo@redhat.com>
11643 * doc/invoke.texi: Document -fopenmp.
11644 * tree-dump.h (debug_function): Declare.
11645 * hooks.c (hook_bool_tree_bool_false): New function.
11646 (hook_tree_tree_null): Remove.
11647 (hook_tree_tree_tree_null): New.
11648 * hooks.h: Update to match.
11649 * tree-pretty-print.c (debug_tree_chain): New.
11650 (print_generic_expr): Handle TDF_CHAIN.
11651 (dump_generic_node): Handle BLOCK.
11652 Do not abort with incomplete SWITCH_EXPRs.
11653 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11654 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11655 print space after directive name.
11656 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11657 Handle OMP_MASTER and OMP_ORDERED.
11658 Handle printing of OMP_BODY just in one place, goto
11659 dump_omp_body in the rest of OMP_* nodes that have
11661 Don't handle clause nodes here. Update omp statements to
11662 use dump_omp_clauses.
11663 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11664 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11665 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11666 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11667 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11668 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11669 Adjust output for GOMP_PARALLEL.
11670 (dump_omp_clauses): New.
11671 (print_declaration): Dump DECL_VALUE_EXPR.
11672 (op_symbol_1): Split out of op_symbol.
11673 (dumping_stmts): Remove. Update all users.
11674 * cgraph.c (cgraph_analyze_queue): New.
11675 (cgraph_add_new_function): New.
11676 * cgraph.h (cgraph_analyze_queue): Declare.
11677 (cgraph_add_new_function): Declare.
11678 (cgraph_lower_function): Remove.
11679 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11680 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11681 and TYPE_P nodes in its default clause.
11682 (empty_body_p): New.
11683 (tree_range_check_failed): New.
11684 (build5_stat): New.
11685 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11686 OMP_CLAUSE_REDUCTION_MERGE,
11687 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11688 OMP_CLAUSE_PRIVATE_DEBUG,
11689 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11690 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11691 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11692 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11693 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11694 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11695 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11696 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11697 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11698 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11699 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11700 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11701 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11702 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11703 (TREE_RANGE_CHECK): New.
11704 (empty_body_p): Declare.
11705 (enum omp_clause_default_kind): New.
11706 (build_string_literal): Declare.
11707 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11708 (build5_stat, build5): Declare.
11709 * tree-pass.h (TDF_CHAIN): Define.
11710 * tree-pass.h (PROP_gimple_lomp): Define.
11711 (pass_lower_omp): Declare.
11712 * diagnostic.h (debug_tree_chain): Declare.
11713 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11715 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11716 * builtins.c (build_string_literal): Make extern.
11717 * gcc.c (include_spec_function): New.
11718 (static_spec_functions): Add it.
11719 (main): Move load of libgomp.spec ...
11720 (LINK_COMMAND_SPEC): ... here.
11721 (link_gomp_spec): New.
11722 (static_specs): Include it.
11723 (LINK_COMMAND_SPEC): Add link_gomp.
11724 (GOMP_SELF_SPECS): New.
11725 (driver_self_specs): Include it.
11726 (switch_matches): Don't mark inline.
11727 (main): Load libgomp.spec.
11728 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11729 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11730 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11731 * tree-gimple.h (enum omp_parallel): Declare.
11732 (determine_parallel_type): Declare.
11733 (omp_firstprivatize_variable): Declare.
11734 (omp_reduction_init): Declare.
11735 (diagnose_omp_structured_block_errors): Declare.
11736 (struct walk_stmt_info): Add want_return_expr.
11737 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11738 (find_omp_clause): Declare.
11739 (insert_field_into_struct): Declare.
11740 (struct walk_stmt_info): Move from tree-nested.c
11741 (walk_stmts): Declare.
11742 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11744 * cgraphunit.c (cgraph_lower_function): Make static.
11745 (cgraph_finalize_pending_functions): New.
11746 (cgraph_finalize_function): Call it.
11747 (cgraph_finalize_compilation_unit): Likewise.
11748 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11749 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11750 (BT_FN_UINT_UINT): New.
11751 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11752 DEF_FUNCTION_TYPE_VAR_4): Document.
11753 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11754 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11755 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11756 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11757 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11758 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11759 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11760 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11761 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11762 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11763 into separate files.
11764 (DEF_GOMP_BUILTIN): New.
11765 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11766 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11767 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11768 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11769 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11770 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11771 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11772 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11773 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11774 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11775 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11776 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11777 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11778 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11779 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11780 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11781 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11782 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11783 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11784 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11785 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11786 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11787 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11788 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11789 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11790 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11791 * sync-builtins.def: New file, moved from builtins.def.
11792 * omp-builtins.def: New file, moved from builtins.def.
11793 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11794 * gimple-low.c (lower_function_body): Clear data.
11795 (lower_stmt): Do not handle COMPOUND_EXPR.
11796 Remove call to print_node_brief.
11797 * c-tree.h (c_finish_omp_clauses): New prototype.
11798 (C_DECL_THREADPRIVATE_P): Define.
11799 (lookup_name_no_remap, c_omp_remap_private): Remove
11800 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11801 (check_for_loop_decls): Update decl.
11802 (lookup_name_no_remap, c_omp_remap_private): Declare.
11803 (build_indirect_ref, build_modify_expr, pushdecl,
11804 pushdecl_top_level): Move to c-common.h.
11805 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11806 before the switch, but just in the 2 places that need it.
11807 * c-decl.c (diagnose_mismatched_decls): Do not check for
11808 mismatched thread-local attributes when OLDDECL is marked
11809 threadprivate and NEWDECL has no thread-local attributes.
11810 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11811 (c_gimple_diagnostics_recursively): Rename from
11812 c_warn_unused_result_recursively. Invoke
11813 diagnose_omp_structured_block_errors.
11814 (check_for_loop_decls): Return a singular decl found.
11815 * langhooks.c (lhd_omp_predetermined_sharing): Return
11816 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11817 (lhd_omp_firstprivatize_type_sizes): New.
11818 (lhd_omp_assignment): New.
11819 (lhd_omp_predetermined_sharing): New.
11820 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11821 (struct lang_hooks_for_types): Add
11822 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11823 omp_predetermined_sharing, omp_disregard_value_expr,
11824 omp_private_debug_clause, omp_clause_default_ctor,
11825 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11826 (c_finish_omp_clauses): New.
11827 (c_finish_bc_stmt): Diagnose break within omp for.
11828 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11829 (build_unary_op): Return error_mark after reporting
11831 (build_modify_expr): Likewise.
11832 * gimplify.c: Include optabs.h and pointer-set.h.
11833 (enum gimplify_omp_var_data): Declare.
11834 (struct gimplify_omp_ctx): Declare.
11835 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11837 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11838 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11839 (splay_tree_compare_decl_uid): New.
11840 (new_omp_context): New.
11841 (delete_omp_context): New.
11842 (gimple_add_tmp_var): Call omp_add_variable.
11843 (gimplify_bind_expr): Likewise.
11844 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11845 true, disregard DECL_VALUE_EXPR on the decl if any.
11846 (gimplify_expr_in_ctx): New.
11847 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11848 omp_add_variable, omp_notice_variable, omp_is_private
11849 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11850 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11851 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11852 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11853 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11854 gimplify_omp_atomic): New.
11855 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11856 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11857 OMP_CRITICAL and OMP_ATOMIC.
11858 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11859 * c-pragma.h (enum pragma_kind): Add
11860 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11861 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11862 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11863 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11864 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11865 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11866 PRAGMA_OMP_THREADPRIVATE.
11867 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11868 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11869 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11870 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11871 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11872 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11873 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11874 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11875 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11876 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11877 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11878 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11879 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11881 (struct nesting_info): Add field_map,
11882 suppress_expansion, debug_var_chain.
11883 (create_nesting_tree): Initialize them.
11884 (lookup_field_for_decl): Use field_map.
11885 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11886 (convert_local_omp_clauses): New.
11887 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11888 (walk_body): Split out of walk_function.
11889 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11890 (convert_nonlocal_reference): Handle omp statements.
11891 (convert_local_reference): Likewise.
11892 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11893 (unnest_nesting_tree): New.
11894 (lower_nested_functions): Call it.
11895 (insert_field_into_struct): Make extern.
11896 (struct walk_stmt_info): Move to tree-gimple.h.
11897 (walk_stmts): Make extern.
11898 * omp-builtins.def: New file.
11899 * tree-iterator.c (expr_only): Clarify comment.
11900 * c-common.h (pushdecl_top_level, pushdecl,
11901 build_modify_expr, build_indirect_ref,
11902 c_finish_omp_master, c_finish_omp_critical,
11903 c_finish_omp_ordered, c_finish_omp_barrier,
11904 c_finish_omp_atomic, c_finish_omp_flush,
11905 c_finish_omp_for, c_split_parallel_clauses,
11906 omp_clause_default_kind, c_omp_sharing_predetermined,
11907 c_omp_remap_decl): Declare.
11908 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11909 (OBJS-common): Add omp-low.o.
11910 (c-omp.o, omp-low.o): Add.
11911 (gimplify.o): Add dependency on $(OPTABS_H).
11912 (GTFILES): Add omp-low.c.
11913 (gt-stringpool.h): Add.
11914 * tree-cfg.c (set_bb_for_stmt): Do not update the
11915 block-to-labels map if we are currently expanding to RTL.
11916 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11918 Handle IDENTIFIER_NODE.
11919 (tree_verify_flow_info): Do not ICE when emitting error
11920 messages about invalid labels.
11921 (dump_function_to_file): Reset CFUN before emitting the body
11923 (debug_function): New.
11924 * passes.c (init_optimization_passes): Schedule
11926 * langhooks-def.h (lhd_omp_predetermined_sharing,
11927 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11929 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11930 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11931 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11932 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11933 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11934 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11935 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11936 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11937 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11938 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11939 (LANG_HOOK_DECLS): Use them.
11941 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11942 Richard Henderson <rth@redhat.com>
11943 Jakub Jelinek <jakub@redhat.com>
11944 Diego Novillo <dnovillo@redhat.com>
11946 * c-parser.c (pragma_omp_clause): Define.
11947 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11948 (c_parser_compound_statement): Likewise.
11949 (c_parser_statement): Likewise.
11950 (c_parser_pragma): Handle omp pragmas.
11951 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11952 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11953 (c_parser_omp_clause_name, check_no_duplicate_clause,
11954 c_parser_omp_variable_list,
11955 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11956 c_parser_omp_clause_copyprivate,
11957 c_parser_omp_clause_default,
11958 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11959 c_parser_omp_clause_lastprivate,
11960 c_parser_omp_clause_nowait,
11961 c_parser_omp_clause_num_threads,
11962 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11963 c_parser_omp_clause_reduction,
11964 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11965 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11966 c_parser_omp_atomic, c_parser_omp_barrier,
11967 c_parser_omp_critical, c_parser_omp_flush,
11968 c_parser_omp_for_loop, c_parser_omp_for,
11969 c_parser_omp_master, c_parser_omp_ordered,
11970 c_parser_omp_sections_scope, c_parser_omp_sections,
11971 c_parser_omp_parallel, c_parser_omp_single,
11972 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11973 * c-pragma.c (init_pragma): Do omp pragma registration here.
11974 * c.opt (fopenmp): New flag.
11976 2006-01-18 Eric Christopher <echristo@apple.com>
11978 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11979 * config/darwin.h (GOMP_SELF_SPECS): Define.
11981 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11983 * rtl.h: Remove the prototype for reg_alloc.
11985 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11988 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11989 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11990 sjlj and dwarf2 exception handling.
11991 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11992 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11993 * pa/pa.c (function_value): Treat complex and vector types as
11995 (function_arg): Likewise. Only pass scalar floats in the floating
11996 point argument registers.
11997 * pa/t-slibgcc-dwarf-ver: New file.
11998 * pa/t-slibgcc-sjlj-ver: New file.
11999 * pa/t-slibgcc-elf-ver: Delete file.
12001 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12003 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12004 unlikely_test_section_p test.
12006 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12008 * mode-switching.c (optimize_mode_switching): Make it static.
12009 * basic-block.h: Remove the prototype for
12010 optimize_mode_switching.
12012 * modulo-sched.c (sms_schedule): Make it static.
12013 * rtl.h: Remove the prototype for sms_schedule.
12015 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12016 * rtl.h: Remove the prototype for gcse_after_reload_main.
12018 * reg-stack.c (reg_to_stack): Make it static.
12019 * rtl.h: Remove the prototype for reg_to_stack.
12021 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12023 * rtl.h: Remove the prototypes for regrename_optimize and
12024 copyprop_hardreg_forward.
12026 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12028 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12029 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12030 Test against the appropriate null constant for the mode.
12031 If 'fixup_overlap' is true, swap the operands if they overlap.
12032 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12033 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12034 alpha_split_tmode_pair and adjust for above change.
12035 * config/alpha/alpha.md (movtf_internal): Adjust call to
12036 alpha_split_tfmode_pair and rely on it to swap the operands.
12037 (movti_internal): New insn and post-reload splitter.
12038 (movti): New expander.
12040 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12042 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12045 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12047 * rtlanal.c (global_reg_mentioned_p_1,
12048 global_reg_mentioned_p): Remove.
12049 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12051 * flow.c (initialize_uninitialized_subregs): Make it static.
12052 * rtl.h: Remove the prototype for
12053 initialize_uninitialized_subregs.
12055 * function.c (instantiate_virtual_regs): Make it static.
12056 * function.h: Remove the prototype for
12057 instantiate_virtual_regs.
12059 * regmove.c (regmove_optimize, combine_stack_adjustments):
12061 * rtl.h: Remove the prototypes for regmove_optimize and
12062 combine_stack_adjustments.
12064 2006-01-17 Roger Sayle <roger@eyesopen.com>
12066 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12067 (size_cost): Encode costs in bytes so that a reg-reg addition is
12068 equivalent to COSTS_N_INSNS(1).
12069 (override_options): Use the size_cost.branch_cost as the default
12070 ix86_branch_cost when optimizing for size.
12072 2006-01-18 Ben Elliston <bje@au.ibm.com>
12074 * Makefile.in (D32PBIT_FUNCS): New.
12075 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12076 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12077 D64PBIT_FUNCS and D128PBIT_FUNCS.
12078 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12079 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12081 (decnumber_dep): Define.
12082 * doc/libgcc.texi (Decimal float library routines): New node.
12083 * config/dfp-bit.h, config/dfp-bit.c: New files.
12085 2006-01-18 Ben Elliston <bje@au.ibm.com>
12087 * expr.c (emit_move_change_mode): Always adjust addresses, not
12088 just during reload. Copy replacements only during reload.
12089 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12090 emit_move_via_integer.
12092 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12094 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12095 instead of $(srcdir) and ${srcdir}.
12097 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12100 PR middle-end/11135
12101 * arm.h (struct machine_function): Add pic_reg.
12102 * arm.c (arm_pic_register): Make unsigned.
12103 (arm_override_options): Only set arm_pic_register if
12104 TARGET_SINGLE_PIC_BASE.
12105 (use_return_insn): Only test for a pic register if it is fixed.
12106 (arm_compute_save_reg0_reg12_mask): Likewise.
12107 (thumb_compute_save_reg_mask): Likewise.
12108 (legitimate_pic_operand): Factor out some known invariants.
12109 (legitimize_pic_address): If we don't have a fixed pic register,
12110 then set up a pseudo in the function entry sequence. Handle the
12111 pic base being in a pseudo.
12112 (arm_load_pic_register): Handle the pic register being in a pseudo.
12113 (arm_expand_prologue): Only set up the pic register if it is fixed.
12114 (thumb_expand_prologue): Likewise.
12115 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12116 (pic_load_addr_based_insn): Likewise.
12117 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12120 2006-01-18 Ben Elliston <bje@au.ibm.com>
12122 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12123 decimal float modes for all floating point registers.
12125 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12126 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12128 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12131 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12132 even when the pointer is not NULL.
12134 2006-01-16 Ian Lance Taylor <ian@airs.com>
12136 * common.opt (ftoplevel-reorder): New option.
12137 * cgraph.c (cgraph_asm_nodes): New global variable.
12138 (cgraph_asm_last_node): New static variable.
12139 (cgraph_order): New global variable.
12140 (cgraph_create_node): Set new order field.
12141 (cgraph_varpool_node): Likewise.
12142 (decide_is_variable_needed): Return true if not
12143 flag_toplevel_reorder.
12144 (cgraph_add_asm_node): New function.
12145 * cgraph.h (struct cgraph_node): Add order field.
12146 (struct cgraph_varpool_node): Add order field.
12147 (struct cgraph_asm_node): Define.
12148 (cgraph_asm_nodes, cgraph_order): Declare.
12149 (cgraph_add_asm_node): Declare.
12150 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12152 (cgraph_varpool_assemble_pending_decls): Call it.
12153 (cgraph_output_pending_asms): New static function.
12154 (cgraph_finalize_compilation_unit): Call it.
12155 (struct cgraph_order_sort): Define.
12156 (cgraph_output_in_order): New static function.
12157 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12158 !flag_toplevel_reorder case.
12159 * c-parser.c: Include "cgraph.h".
12160 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12162 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12163 than -fno-unit-at-a-time.
12164 * doc/invoke.texi (Option Summary): Mention
12165 -fno-toplevel-reorder.
12166 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12167 -funit-at-a-time documentation.
12169 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12170 Kazu Hirata <kazu@codesourcery.com>
12172 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12174 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12176 * Makefile.in (FUNCTION_H): New. Use it instead of
12177 function.h throughout the file.
12178 * function.h: Include tree.h.
12180 2006-01-17 Ben Elliston <bje@au.ibm.com>
12182 * recog.c: Separate some functions with whitespace.
12184 2006-01-16 Richard Henderson <rth@redhat.com>
12186 Merge from gomp branch:
12187 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12188 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12189 and rename from struct inline_data. Rename callee* to dst*;
12190 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12191 transform_new_cfg, transform_return_to_modify, and
12192 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12194 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12195 (copy_decl_for_dup): Remove.
12196 * tree-inline.c (struct inline_data): Move to header.
12197 (insert_decl_map): Export.
12198 (remap_decl): Update for member name changes. Use copy_decl hook.
12199 Allow for replacement to be a non-decl. Remove dead code.
12200 (remap_type_1): Check for existing mapping.
12201 (remap_type): Export.
12202 (remap_decls): Update for member name changes.
12203 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12204 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12205 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12206 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12207 (tree_function_versioning, build_duplicate_type): Likewise.
12208 (copy_body_r): Likewise. Export.
12209 (copy_decl_for_dup): Split into ...
12210 (copy_decl_for_dup_finish, copy_decl_to_var,
12211 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12212 (replace_ref_tree, inlining_p): Remove.
12214 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12216 * ifcvt.c (if_convert): Make it static.
12217 * rtl.h: Remove the prototype for if_convert.
12219 * local-alloc.c (local_alloc): Make it static.
12220 * rtl.h: Remove the prototype for local_alloc.
12222 * loop.c (loop_optimize): Make it static.
12223 * cfgloop.h: Remove the prototype for loop_optimize.
12226 2006-01-16 DJ Delorie <dj@redhat.com>
12228 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12231 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12233 * pa.md: Disparage copies between general and floating-point registers
12234 in 32-bit move patterns.
12236 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12239 * Makefile.in (check-%): Depend on site.exp instead of
12240 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12243 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12245 * global.c (global_alloc): Make it static.
12246 * rtl.h: Remove the prototype for global_alloc.
12248 2006-01-16 Richard Guenther <rguenther@suse.de>
12250 * tree-ssa-alias.c (struct used_part): Add write_only field.
12251 (get_or_create_used_part_for): Initialize it to true.
12252 (create_overlap_variables_for): Don't create structure variables
12253 for structures that only are written to.
12254 (find_used_portions): Handle MODIFY_EXPR to track whether a
12255 structure is only written to.
12257 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12259 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12261 * basic-block.h: Remove the prototype for
12262 partition_hot_cold_basic_blocks.
12264 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12266 * cppspec.c (lang_specific_spec_functions): Remove.
12267 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12268 * gcc.h (lang_specific_spec_functions): Remove.
12269 * gccspec.c (lang_specific_spec_functions): Remove.
12271 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12273 * combine.c (record_value_for_reg): Invalidate registers
12275 (record_dead_and_set_regs_1): Likewise, by passing them to
12276 record_value_for_reg.
12277 (record_dead_and_set_regs): Invalidate stores made by a
12278 call. We do not combine across a call, but we still
12279 relied on equivalences.
12281 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12283 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12284 vrp_int_const_binop returning non-constant nodes.
12286 2006-01-16 Paul Brook <paul@codesourcery.com>
12288 * config/m68k/m68k.c (output_move_const_into_data_reg):
12289 Output correct mnemonic for mvz and mvs.
12291 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12293 * rtl-factoring.c: Add sequence abstraction algorithm.
12294 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12295 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12297 (block_has_preserve_label): New function.
12298 * common.opt: Register new pass.
12299 * Makefile.in: Ditto.
12301 * timevar.def: Ditto.
12302 * tree-pass.h: Ditto.
12303 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12304 * rtl.h (make_jump_insn_raw): Add forward decl.
12305 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12307 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12308 Roger Sayle <roger@eyesopen.com>
12310 * fold-const.c (fold_minmax): New static function.
12311 (fold_binary) <MIN_EXPR>: Call it.
12312 <MAX_EXPR>: Likewise.
12313 * stor-layout.c (place_field): Use DECL_SIZE consistently
12314 in the computation of the new record size.
12316 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12318 * cse.c (cse_condition_code_reg): Make it static.
12319 * rtl.h: Remove the prototype for cse_condition_code_reg.
12321 * combine.c (combine_instructions): Make it static.
12322 * rtl.h: Remove the prototype for combine_instructions.
12324 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12327 * tree.c (get_file_function_name_long): Concatenate the first global
12328 object name with a string derived from the input filename of the object
12331 2006-01-16 Ben Elliston <bje@au.ibm.com>
12333 * config/i386/winnt-stubs.c: Update FSF address.
12334 * config/xtensa/ieee754-df.S: Ditto.
12335 * config/xtensa/ieee754-sf.S: Ditto.
12337 2006-01-14 Ian Lance Taylor <ian@airs.com>
12339 * ifcvt.c (noce_init_if_info): New static function, broken out of
12340 noce_process_if_block.
12341 (noce_process_if_block): Call noce_init_if_info.
12342 (check_cond_move_block): New static function.
12343 (cond_move_process_if_block): New static function.
12344 (process_if_block): Call cond_move_process_if_block.
12346 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12348 * cselib.c (hash_table): Rename to cselib_hash_table.
12349 (cselib_clear_table, discard_useless_values,
12350 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12351 cselib_init, cselib_finish): Adjust uses of hash_table.
12353 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12355 PR tree-optimization/25485
12356 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12357 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12358 is known to be false and true, respectively.
12360 2006-01-14 Richard Guenther <rguenther@suse.de>
12362 PR tree-optimization/22548
12363 PR tree-optimization/22555
12364 PR tree-optimization/22501
12365 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12366 * params.def (salias-max-array-elements): New parameter.
12367 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12368 * doc/invoke.texi (salias-max-array-elements): Document.
12369 * tree-flow-inline.h (var_can_have_subvars): We also handle
12371 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12373 * tree-ssa-structalias.c (params.h): Include.
12374 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12375 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12376 (get_constraint_for): For ADDR_EXPR operating on something
12377 containing an ARRAY_REF, add all subvars to the solution.
12378 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12379 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12380 for creating MUST_DEFs.
12381 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12383 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12385 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12387 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12388 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12389 number_of_iterations_le): New functions.
12390 (number_of_iterations_special): Removed.
12391 (number_of_iterations_exit): Do not use number_of_iterations_special.
12392 * tree.c (unsigned_type_for): Always return integer type.
12394 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12395 Richard Guenther <rguenther@suse.de>
12397 PR rtl-optimization/24257
12398 * gcse.c (find_moveable_store): Only consider a store movable
12399 when the SET_SRC of the insn can be assigned to a register.
12401 2006-01-14 Ian Lance Taylor <ian@airs.com>
12403 * tree.c (tree_not_class_check_failed): New function.
12404 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12405 (tree_not_class_check_failed): Declare.
12407 2006-01-13 Ian Lance Taylor <ian@airs.com>
12409 * reload1.c (do_output_reload): Add assertion rejecting a
12412 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12414 * combine.c (struct reg_stat): Add new fields truncation_label and
12416 (record_value_for_reg): Reset truncated_to_mode.
12417 (record_truncated_value): New function.
12418 (check_promoted_subreg): Call it. Rename to check_conversions.
12419 (combine_instructions): Rename check_promoted_subreg to
12421 (reg_truncated_to_mode): New function.
12422 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12423 (gen_lowpart_or_truncate): New function.
12424 (force_to_mode): Use it instead of gen_lowpart.
12426 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12428 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12429 VAR is a tag, not its type tag.
12431 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12433 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12434 alternatives to match style of other entries.
12435 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12437 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12439 PR tree-optimization/25771
12440 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12443 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12446 * tree-inline.c (declare_return_variable): If the return variable
12447 was marked as a non gimple complex, set the return slot variable
12448 to be a non gimple comple variable.
12450 2006-01-13 Richard Guenther <rguenther@suse.de>
12452 * builtins.c (expand_builtin_sincos): New function.
12453 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12455 (expand_builtin): Expand sincos using expand_builtin_sincos.
12457 2006-01-12 DJ Delorie <dj@redhat.com>
12459 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12460 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12461 so that constant shifts can be split.
12462 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12463 (m32c_valid_pointer_mode): Make static.
12464 (shift_gen_func_for): New.
12465 (m32c_prepare_shift): Use it. Split large const shifts into
12467 * config/m32c/predicates.md (shiftcount_operand): Allow more
12469 (longshiftcount_operand): New.
12470 * doc/md.texi (Machine Constraints): Document In6.
12472 2006-01-13 Ben Elliston <bje@au.ibm.com>
12474 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12475 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12478 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12480 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12481 to try to avoid clobbering pieces of structures when we know
12482 something about the whole structure.
12483 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12485 2006-01-13 Ben Elliston <bje@au.ibm.com>
12487 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12488 return in memory, as this is no limitation is no longer present.
12490 2006-01-12 DJ Delorie <dj@redhat.com>
12492 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12493 mova with fb, and for fb+0 -> An.
12495 * config/m32c/mov.md (peephole2): Fix enabling logic.
12497 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12498 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12499 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12500 FINI_ARRAY_SECTION_ASM_OP): Define.
12502 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12504 (m32c_legitimize_reload_address): New logic to reload FB to An.
12505 (m32c_output_reg_push): Add newline.
12506 (m32c_output_reg_pop): Likewise.
12508 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12510 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12512 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12514 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12516 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12518 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12521 2006-01-11 Ben Elliston <bje@au.ibm.com>
12523 * rtlanal.c (find_reg_note): Assert insn is not null.
12525 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12527 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12530 2006-01-11 Jeff Law <law@redhat.com>
12532 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12534 (mark_threaded_blocks, register_jump_thread): New functions.
12535 (thread_through_all_blocks): Remove unwanted argument. No
12536 longer rely on e->aux to communicate thread target info.
12537 Call mark_threaded_blocks. Release the threaded_blocks
12538 bitmap and threaded_edges vector when complete.
12539 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12540 (threaded_blocks): Remove.
12541 (tree_ssa_dominator_optimize): Remove initialization and
12542 finalization of threaded_blocks. Simplify call to
12543 thread_through_all_blocks.
12544 (thread_across_edge): Call register_jump_thread rather than
12545 storing thread information into e->aux.
12546 (free_all_edge_infos): Simplify now that e->aux is no longer
12547 used to communicate with thread_through_all_blocks.
12548 * tree-flow.h (thread_through_all_blocks): Update prototype.
12549 (register_jump_thread): Prototype.
12551 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12553 * df-core.c (df_compact_blocks, df_bb_replace): Use
12554 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12556 2006-01-11 Richard Guenther <rguenther@suse.de>
12558 PR tree-optimization/25734
12559 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12560 stop propagation after successful propagation to the LHS.
12562 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12564 * basic-block.h (control_flow_graph): Change the type of
12565 x_basic_block_info to VEC(basic_block,gc) *.
12566 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12568 (SET_BASIC_BLOCK): New.
12569 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12570 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12571 * cfgbuild.c (find_basic_blocks): Likewise.
12572 * cfglayout.c (fixup_reorder_chain): Likewise.
12573 * cfgrtl.c (create_basic_block_structure,
12574 rtl_create_basic_block): Likewise.
12575 * ifcvt.c (find_if_case_1): Likewise.
12576 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12579 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12581 * Makefile.in: Removed rotted odf.c entry.
12583 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12586 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12587 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12588 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12589 output pattern modifier, not %e.
12590 * config/cris/cris.c (cris_op_str): Update comment about pattern
12592 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12593 before falling through into...
12594 <case 'E'>: Redefined from old 'e' case.
12596 2006-01-11 Jan Hubicka <jh@suse.cz>
12599 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12601 2006-01-11 Jan Hubicka <jh@suse.cz>
12603 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12604 * i386.c (x86_decompose_lea): Kill.
12605 (ix86_rtx_costs): Kill.
12607 2006-01-11 Jan Hubicka <jh@suse.cz>
12609 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12610 * cgraph.h (cgraph_node): Add inline_decl.
12611 (cgraph_insert_node_to_hashtable): Declare.
12612 (save_inline_function_body): Declare.
12613 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12615 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12616 (cgraph_function_versioning): Update call of tree_function_versioning.
12617 (save_inline_function_body): New function.
12618 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12619 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12620 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12621 (cgraph_default_inline_p): Likewise.
12622 (cgraph_decide_inlining_incrementally): Likewise.
12623 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12624 (copy_bb): Kill saving; do updating of clones.
12625 (copy_cfg_body): Kill saving.
12626 (initialize_inlined-parameters): Likewise.
12627 (expand_call_inline): Likewise.
12629 (tree_function_versioning): New parameter "update_clones".
12630 (inlining_p): Kill saving.
12631 * tree-inline.h (tree_function_versioning): Update prototype.
12632 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12635 2006-01-11 Ian Lance Taylor <ian@airs.com>
12637 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12638 Allow undoing set of machine mode.
12639 (do_SUBST): Use enums instead of is_int.
12640 (do_SUBST_MODE): New function.
12641 (SUBST_MODE): New macro.
12642 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12643 reg and trying to replace reg_regno_rtx with a new register.
12644 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12645 (simplify_set): Use SUBST_MODE.
12646 (distribute_notes): Remove code that tried to update reg notes
12647 for regno_reg_rtx changes.
12649 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12651 PR tree-optimization/23109
12652 PR tree-optimization/23948
12653 PR tree-optimization/24123
12655 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12656 * tree-cfg.c (single_noncomplex_succ): New.
12657 * tree-flow.h (single_noncomplex_succ): Declare it.
12658 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12659 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12660 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12661 insert_bb, register_division_in, insert_reciprocals,
12662 replace_reciprocal, free_bb): New.
12663 (execute_cse_reciprocals_1): Rewritten.
12664 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12665 Do not commit any edge insertion. Always compute dominators and
12666 create the allocation pool.
12667 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12668 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12669 * targhooks.c (default_min_divistions_for_recip_mul): New.
12670 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12671 * passes.c (init_optimization_passes): Run recip after tree loop
12673 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12675 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12676 Kenneth Zadeck <zadeck@naturalbridge.com>
12678 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12679 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12680 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12681 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12682 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12683 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12684 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12685 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12686 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12687 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12688 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12689 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12690 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12691 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12692 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12693 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12694 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12695 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12696 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12697 DF_SCAN_POST_ALLOC): New macros.
12698 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12699 df_free_bb_function, df_local_compute_function, df_init_function,
12700 df_dataflow_function, df_confluence_function_0,
12701 df_confluence_function_n, df_transfer_function,
12702 df_finalizer_function, df_free_function, df_dump_problem_function,
12703 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12704 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12705 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12706 df_urec_bb_info, ) New types.
12707 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12709 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12710 df_analyze_simple_change_some_blocks,
12711 df_analyze_simple_change_one_block, df_compact_blocks,
12712 df_bb_replace, df_bb_regno_last_use_find,
12713 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12714 df_insn_regno_def_p, df_find_def, df_find_use,
12715 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12716 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12717 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12718 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12719 debug_df_chain, df_get_dependent_problem, df_chain_create,
12720 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12721 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12722 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12723 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12724 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12725 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12726 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12727 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12728 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12729 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12730 df_reorganize_refs, df_set_state, df_hard_reg_init,
12731 df_read_modify_subreg_p) New public functions.
12732 * df-core.c: The core dataflow solver and glue routines for rtl
12734 (df_init, df_add_problem, df_set_blocks, df_finish,
12735 df_hybrid_search_forward, df_hybrid_search_backward,
12736 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12737 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12738 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12739 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12740 df_reg_defined, df_find_use, df_reg_used, df_dump,
12741 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12742 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12743 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12744 debug_df_useno, reset_df_after_reload): New functions.
12745 * df-scan.c: The scanning fuctions, once in df.c, completely
12746 rewritten so that they now fully model the functionality of
12747 register usage at the backend.
12748 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12749 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12750 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12751 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12752 df_get_artificial_defs, df_get_artificial_uses,
12753 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12754 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12755 df_refs_delete, df_reorganize_refs, df_set_state,
12756 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12757 df_def_record_1, df_defs_record, df_uses_record,
12758 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12759 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12760 df_record_exit_block_uses, df_hard_reg_init): New functions.
12762 * df-problems.c: Seven concrete dataflow problems that use the
12763 scanning in df-scan.c and are solved by the engine in df-core.c.
12764 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12765 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12766 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12767 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12768 df_ru_free_bb_info, df_ru_alloc,
12769 df_ru_bb_local_compute_process_def,
12770 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12771 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12772 df_ru_transfer_function, df_ru_free, df_ru_dump,
12773 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12774 df_rd_free_bb_info, df_rd_alloc,
12775 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12776 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12777 df_rd_transfer_function, df_rd_free, df_rd_dump,
12778 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12779 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12780 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12781 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12782 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12783 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12784 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12785 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12786 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12787 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12788 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12789 df_urec_mark_reg_use_for_earlyclobber,
12790 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12791 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12792 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12793 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12794 df_chain_create_bb_process_use, df_chain_create_bb,
12795 df_chain_finalize, df_chain_free, df_chains_dump,
12796 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12797 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12798 df_reg_lifetime): New functions.
12799 * df.c: Deleted file.
12800 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12801 consistent with new df api.
12802 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12803 rest_of_handle_sms): Ditto.
12804 * web.c (unionfind_union, union_defs, entry_register, web_main):
12806 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12807 invariant_expr_equal_p, find_defs, check_dependencies,
12808 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12809 free_inv_motion_data, move_loop_invariants): Ditto.
12810 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12811 Update dependencies.
12812 (odf.c): Added defective entry that was deleted later in day.
12813 * sched-deps.c (sched_analyze_1): Ditto.
12815 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12817 * tree-ssa-operands.c (get_expr_operands): Record addressable
12818 variables directly. Do not call add_stmt_operands for CONST_DECLs
12820 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12821 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12823 2006-01-11 Ben Elliston <bje@au.ibm.com>
12825 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12826 function returns true in the positive case.
12828 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12831 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12832 for SI, DI, SF and DF modes. Add alternatives to copy between
12833 general and floating point registers to the 32-bit patterns.
12834 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12835 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12836 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12837 generating 64-bit code.
12838 * config/pa/pa.c (output_move_double): Handle copies between general
12839 and floating registers.
12841 2006-01-10 Stuart Hastings <stuart@apple.com>
12843 * config/i386/i386.md (set_got): Update.
12844 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12845 (builtin_setjmp_receiver): Mach-O support.
12846 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12847 (GOT_SYMBOL_NAME): Define.
12848 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12849 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12850 * config/i386/i386.c (override_options): Revise for Darwin.
12851 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12852 support. (darwin_x86_file_end): New. (output_set_got): Add label
12853 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12854 * config/i386/i386-protos.h (output_set_got): Likewise.
12855 * config/darwin.c (machopic_legitimize_pic_address): Update
12858 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12860 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12861 when MODE isn't BLKmode.
12863 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12865 PR rtl-optimization/25367
12866 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12868 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12871 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12872 for a negative bound.
12874 2006-01-10 Richard Guenther <rguenther@suse.de>
12876 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12877 Never override with anything constraint.
12879 2006-01-10 Jan Beulich <jbeulich@novell.com>
12881 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12882 256 bits when optimize_size.
12884 2006-01-10 Jan Beulich <jbeulich@novell.com>
12886 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12888 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12889 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12892 2006-01-10 Ben Elliston <bje@au.ibm.com>
12894 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12896 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12897 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12898 (USE_FP_FOR_ARG): Reject decimal float modes.
12899 (function_arg_advance): Likewise.
12900 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12901 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12902 point types in AltiVec vectors.
12903 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12904 (rs6000_libcall_value): Likewise.
12906 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12908 * config/xtensa/ieee754-df.S: New file.
12909 * config/xtensa/ieee754-sf.S: New file.
12910 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12911 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12912 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12914 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12916 * config/sh/predicates.md (binary_float_operator,
12917 binary_logical_operator, commutative_float_operator,
12918 equality_comparison_operator, greater_comparison_operator,
12919 less_comparison_operator, logical_operator,
12920 noncommutative_float_operator, shift_operator,
12921 symbol_ref_operand, unary_float_operator): Remove redundant
12924 2006-01-09 Jeff Law <law@redhat.com>
12926 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12927 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12928 now unused arguments. Callers updated.
12929 (eliminate_redundant_computations): Remove now unused arguments,
12931 (local_fold): Remove, no longer used.
12932 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12934 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12935 (simplify_cond): New function.
12936 (forward_propagate_into_cond): Call simplify_cond.
12938 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12940 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12941 (*vec_extractv2di_1_sse): New.
12943 2006-01-09 Ben Elliston <bje@au.ibm.com>
12945 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12947 2006-01-08 Richard Guenther <rguenther@suse.de>
12949 * tree-ssa-structalias.c (get_constraint_for): Remove
12950 anyoffset argument.
12951 (get_constraint_for_component_ref): Likewise.
12952 (do_deref): Likewise.
12953 (get_constraint_for): Likewise.
12954 (do_structure_copy): Likewise.
12955 (handle_ptr_arith): Likewise.
12956 (find_func_aliases): Likewise. Remove unused need_anyoffset
12959 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12960 Kaz Kojima <kkojima@gcc.gnu.org>
12962 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12963 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12964 (EXTRA_CONSTRAINT_C16): Remove.
12965 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12966 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12967 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12968 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12969 constants of SHmedia. Handle nested constant expressions of
12971 (andcosts): Fix the costs for SHmedia constants.
12972 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12973 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12974 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12975 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12976 (movv4hi_i, movv2si_i): Likewise.
12977 (movsi_const): Adjust the second operand of ior so to match with
12978 the Csu constraint.
12979 (movdi_const, movdi_const_32bit): Likewise.
12980 (movdi_const_16bit+1): Don't sign-extend LOW.
12981 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12983 (*double_shori): Fix the split condition. Use GEN_INT instead
12984 of get_int_mode calls. Mask lower 16-bit of the argument of
12986 (sym2GOTPLT): Remove.
12987 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12989 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12990 instead of EXTRA_CONSTRAINT_C16.
12992 2006-01-07 Ian Lance Taylor <ian@airs.com>
12993 David Edelsohn <edelsohn@gnu.org>
12995 PR rtl-optimization/25662
12996 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12997 for constant operands instead of simplify_gen_binary.
12998 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12999 after trying simplify_binary_operation
13001 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13003 * tree.c (iterative_hash_expr): Hash decls based on UID.
13005 2006-01-06 Eric Christopher <echristo@apple.com>
13007 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13008 (TARGET_UNWIND_EMIT): Fix spelling.
13009 * target.h (gcc_target): Add except_table_label.
13010 * except.c (output_function_exception_table): Use.
13011 * varasm.c (default_emit_except_table_label): New.
13012 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13014 (asm_out): Add here.
13015 * output.h (default_emit_except_table_label): Prototype.
13016 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13017 * config/darwin.c (darwin_emit_except_table_label): Define.
13018 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13020 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13022 PR tree-optimization/18527
13023 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13024 number_of_iterations_special, number_of_iterations_exit):
13025 Move base and step of an iv to a single structure. Add
13026 no_overflow flag, and use it in # of iterations analysis.
13027 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13028 folded_casts argument.
13029 (simple_iv): Pass base and step in a structure. Set no_overflow
13031 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13032 Evaluate expensiveness of computing # of iterations instead of
13033 the final expression.
13034 * tree-scalar-evolution.h (affine_iv): New structure.
13035 (simple_iv): Declaration changed.
13036 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13037 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13038 find_givs_in_stmt): Changed due to simple_iv change.
13040 2006-01-06 Jeff Law <law@redhat.com>
13043 * tree-cfg.c (bsi_replace): Rename final argument from
13044 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13045 change (stmt -> orig_stmt).
13046 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13047 (bsi_remove): Add new argument. Remove EH information
13049 (verify_eh_throw_table_statements): New function.
13050 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13052 * tree-optimize.c (execute_free_cfg_annotations): Verify
13053 the EH throw statement table after removing annotations.
13054 * except.h (verify_eh_throw_table_statements): Prototype.
13055 * tree-flow.h (bsi_remove): Update prototype.
13056 * tree-vrp.c (remove_range_assertions): Add new argument to
13058 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13059 * tree-complex.c (expand_complex_div_wide): Likewise.
13060 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13061 * tree-tailcall.c (eliminate_tailcall): Likewise.
13062 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13063 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13064 * tree-nrv.c (tree_nrv): Likewise.
13065 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13066 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13067 (combine_blocks): Likewise.
13068 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13069 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13070 (cleanup_control_flow): Likewise.
13071 (remove_forwarder_block): Likewise.
13072 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13073 * tree-sra.c (sra_replace): Likewise.
13074 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13075 (forward_propagate_single_use_vars): Likewise.
13076 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13077 * tree-inline.c (expand_call_inline): Likewise.
13078 * tree-vect-transform.c (vect_transform_loop): Likewise.
13079 * tree-outof-ssa.c (rewrite_trees): Likewise.
13080 * tree-cfg.c (make_goto_expr_edges): Likewise.
13081 (cleanup_dead_labels): Likewise.
13082 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13083 (bsi_move_before, bsi_move_after): Likewise.
13084 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13085 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13087 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13090 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13092 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13093 on non gimple variables. Also add checks at the top for decls and
13095 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13097 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13098 and IMAGPART_EXPR for creating MUST_DEFs.
13099 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13100 and NAME_MEMORY_TAG separately from the DECLs.
13102 2006-01-06 Richard Guenther <rguenther@suse.de>
13104 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13105 annotation, if necessary.
13106 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13107 redundant calls to update_stmt.
13108 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13111 2006-01-05 Richard Henderson <rth@redhat.com>
13113 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13115 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13117 * c-typeck.c: Update copyright date.
13119 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13121 * c-typeck.c (build_c_cast): Always warn when casting
13122 from a pointer to an integer of different size, even if
13123 the node was constant.
13125 2006-01-05 Richard Guenther <rguenther@suse.de>
13127 PR tree-optimization/22555
13128 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13129 if one structure field is an array.
13130 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13131 operands even if we found a subvar, but ignore VOPs in this
13133 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13135 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13137 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13139 PR middle-end/24998
13140 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13142 2006-01-05 Richard Guenther <rguenther@suse.de>
13143 Diego Novillo <dnovillo@redhat.com>
13145 * tree-pass.h (TODO_remove_unused_locals): Define.
13146 * gimple-low.c (expand_var_p, remove_useless_vars,
13147 pass_remove_useless_vars): Remove. Update all users.
13148 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13149 (remove_unused_locals): New function.
13150 * tree-flow.h (remove_unused_locals): Declare.
13151 * passes.c (execute_todo): Call remove_unused_locals if
13152 TODO_remove_unused_locals is set.
13153 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13154 * tree-ssa-dce.c (pass_dce): Likewise.
13155 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13157 2006-01-05 Richard Guenther <rguenther@suse.de>
13159 * tree-flow.h (struct fieldoff): Decompose field to
13160 type, size and decl.
13161 * tree-ssa-alias.c (create_sft): Take type as parameter.
13162 (create_overlap_variables_for): Store type, size and decl
13163 in the fieldoff structure.
13164 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13165 of struct fieldoff.
13166 (push_fields_onto_fieldstack): Likewise.
13167 (create_variable_info_for): Likewise. Use offset for the
13168 SFT name if the decl is not available.
13170 2006-01-04 Paul Brook <paul@codesourcery.com>
13172 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13174 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13176 * lambda-code.c (can_put_in_inner_loop): Relax
13178 (can_put_after_inner_loop): New function.
13179 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13180 (perfect_nestify): Change to make copies and modify uses.
13182 2006-01-04 Richard Henderson <rth@redhat.com>
13184 Merge from gomp branch:
13185 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13186 via integer constant.
13187 (pragma_lex): Remove.
13188 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13189 rather than parsing it.
13190 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13191 handle_pragma_extern_prefix): Add %< %> quotes.
13192 (registered_pragmas): New.
13193 (c_register_pragma_1): New.
13194 (c_register_pragma): Use it.
13195 (c_register_pragma_with_expansion): Likewise.
13196 (c_invoke_pragma_handler): New.
13197 (init_pragma): Use cpp_register_deferred_pragma directly for
13199 * c-pragma.h (enum pragma_kind): New.
13200 (pragma_handler): New.
13201 (c_invoke_pragma_handler): Declare.
13202 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13204 * c-common.h (c_common_pch_pragma): Update decl.
13205 * Makefile.in (c-parser.o): Update dependencies.
13206 (GTFILES): Add c-pragma.h.
13207 * c-parser.c (struct c_token): Add pragma_kind.
13208 (struct c_parser): Add in_pragma.
13209 (c_lex_one_token): Always initialize keyword and pragma_kind.
13210 Extract data for CPP_PRAGMA.
13211 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13212 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13213 Don't allow CPP_PRAGMA_EOL if in_pragma.
13214 (c_parser_consume_pragma): New.
13215 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13216 (c_parser_skip_to_end_of_parameter): Likewise.
13217 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13218 (c_parser_skip_to_pragma_eol): New.
13219 (c_parser_external_declaration): Handle CPP_PRAGMA.
13220 (c_parser_compound_statement_nostart): Likewise.
13221 (c_parser_statement_after_labels): Likewise.
13222 (c_parser_pragma): New.
13223 (pragma_lex): Likewise.
13224 (c_parser_pragma_pch_preprocess): New.
13225 (c_parser_new): Merge into ...
13226 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13228 2006-01-04 Jeff Law <law@redhat.com>
13231 * tree-cfg.c (bsi_replace): Remove the original statement
13232 from the EH throw statement table.
13234 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13236 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13237 make the prototype extern "C" and add throw ().
13240 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13241 and pos non-negative and pos + len <= 32.
13242 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13243 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13244 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13247 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13248 as well as sizes not multiple of component size.
13251 * function.c (instantiate_expr): New function.
13252 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13253 walk its DECL_VALUE_EXPR with instantiate_expr.
13255 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13256 DW_OP_deref{,_size} if address isn't going to be added.
13258 2006-01-04 Ben Elliston <bje@au.ibm.com>
13260 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13261 * config/fp-bit.c: Likewise.
13263 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13265 * dominance.c: Add comment about why we use DFS numbering
13268 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13269 Richard Henderson <rth@redhat.com>
13271 Merge from gomp-branch:
13272 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13273 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13275 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13277 PR rtl-optimization/25578
13278 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13279 pass a parameter to simplify_shift_const if changing ASHIFTRT
13282 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13284 * builtins.c (get_builtin_sync_mem): New function.
13285 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13286 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13287 Call get_builtin_sync_mem to generate mem rtx.
13289 2006-01-03 Richard Guenther <rguenther@suse.de>
13292 * stmt.c (add_case_node): Make sure to clear overflow flags
13295 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13297 Merge from gomp-branch.
13298 * config/sparc/sync.md: New file.
13299 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13300 UNSPECV_LDSTUB): New constants.
13301 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13302 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13303 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13306 2006-01-03 Roger Sayle <roger@eyesopen.com>
13308 * combine.c (reg_subword_p): New predicate to test whether the
13309 destination of a set refers to a subword/piece of a register.
13310 (try_combine): Generalize the code to merge the setting of a
13311 pseudo to a constant followed by a set of a subword of that
13312 register to a constant.
13314 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13316 * basic-block.h (control_flow_graph): Change the type of
13317 x_label_to_block_map to VEC(basic_block,gc) *.
13318 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13319 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13321 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13322 VEC(basic_block,heap) *.
13323 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13324 ssa_prop_fini): Adjust the uses of cfg_blocks.
13326 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13328 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13330 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13331 hashing trees instead of a pointer hash.
13332 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13333 compare for MEM_EXPR.
13335 PR rtl-optimization/25130
13336 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13337 when comparing MEMs for GCSE
13339 2006-01-03 Ben Elliston <bje@au.ibm.com>
13341 * targhooks.h (default_decimal_float_supported_p): Declare.
13342 * targhooks.c (default_decimal_float_supported_p): Define.
13343 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13344 `default_decimal_float_supported_p'.
13345 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13347 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13349 * combine.c (apply_distributive_law <SUBREG>): Check
13350 TRULY_NOOP_TRUNCATION.
13352 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13354 * dwarf2out.c (have_switched_text_section): Delete.
13355 (have_multiple_function_sections): New.
13356 (have_location_lists): Make 'bool'.
13357 (add_AT_loc_list): Use 'true' not '1'.
13358 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13359 (output_loc_list): Use have_multiple_function_sections.
13360 (output_ranges): Likewise.
13361 (dwarf2out_begin_function): Set have_multiple_function_sections if
13363 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13364 Check function_section rather than DECL_SECTION_NAME.
13365 (dwarf2out_finish): Use have_multiple_function_sections.
13366 Don't clear have_location_lists.
13368 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13369 Jan Hubicka <jh@suse.cz>
13371 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13372 case of conditional jump jumping to the next instruction.
13373 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13374 cases of conditional jump jumping to the next instruction.
13376 2006-01-02 Jan Hubicka <jh@suse.cz>
13378 * i386.c (*_cost): Add COSTS_N_INSNS.
13379 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13381 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13384 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13386 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13388 * config/arm/arm.c (all_fpus): Fix comment typo.
13389 * config/darwin.c: Likewise.
13390 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13391 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13392 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13394 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13396 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13397 (rs6000_split_compare_and_swapqhi): New.
13398 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13399 (sync_compare_and_swapqhi_internal): New.
13400 * config/rs6000/rs6000-protos.h: Declare.