1 2006-07-24 Richard Guenther <rguenther@suse.de>
4 * cgraph.c (cgraph_remove_node): Do not check if dumps
6 * cgraphunit.c (cgraph_optimize): Likewise.
8 2006-07-24 Jan Hubicka <jh@suse.cz>
10 PR rtl-optimization/28071
11 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
12 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
13 splitting before first stmt.
15 2006-07-24 Jan Hubicka <jh@suse.cz>
17 PR rtl-optimization/28071
18 * ipa-inline.c (update_caller_keys): Remove edges that
19 are no longer inline candidates.
21 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
24 * dbxout.c (output_used_types_helper, output_used_types): New.
25 (dbxout_symbol): Call output_used_types.
27 2006-07-23 Jan Hubicka <jh@suse.cz>
31 * cgraph.c (cgraph_varpool_nodes): Export.
32 (decide_is_variable_needed): Ignored "used" attribute in
34 * cgraph.h (cgraph_varpool_nodes): Declare.
35 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
38 2006-07-23 Roger Sayle <roger@eyesopen.com>
41 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
42 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
43 the __gthrw form of thr_keycreate.
44 (__gthread_key_delete): Silence the unused argument warning.
46 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
49 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
50 Cache the last found '\0' marker to avoid quadratic behavior.
52 2006-07-23 Jan Hubicka <jh@suse.cz>
54 * i386.md (subsi_3_zext): Fix output template.
56 2006-07-21 Mike Stump <mrs@apple.com>
58 * doc/invoke.texi (C++ Dialect Options): Note that
59 -fvisibility-inlines-hidden doesn't affect explicitly
60 instantiationed inline methods.
62 2006-07-20 Roger Sayle <roger@eyesopen.com>
64 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
65 if the target assembler is GNU binutils' gas.
66 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
67 whether to pass GNU gas or native as command line options.
69 2006-07-20 Jason Merrill <jason@redhat.com>
71 * tree.c (remove_attribute): New fn.
74 2006-07-20 Paul Brook <paul@codesourcery.com>
77 * cse.c (cse_insn): Add destination addresses to hash table. Check if
78 they are invalidated by this instruction.
80 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
83 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
85 2006-07-20 Eric Christopher <echristo@apple.com>
88 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
90 2006-07-19 Eric Christopher <echristo@apple.com>
92 * config/t-slibgcc-darwin (stmp-lipo): Remove.
93 Rewrite dependencies for libgcc_s.1.dylib.
95 2006-07-19 Jakub Jelinek <jakub@redhat.com>
97 * except.c (duplicate_eh_regions_1): Clear next_peer.
99 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
101 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
102 -mlongcall does not guarantee all calls will be long.
103 * doc/extend.texi (long_call/short_call): Document that longcall
104 does not guarantee a long call will be used.
105 (longcall/shortcall): Likewise.
107 2006-07-18 Roger Sayle <roger@eyesopen.com>
110 * expmed.c (expand_shift): Additionally check that the shift_cost
111 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
112 before implementing a LSHIFT_EXPR as a sequence of additions.
113 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
114 middle-end that DImode shifts need to be synthesized by expand.
116 2006-07-18 Diego Novillo <dnovillo@redhat.com>
119 * tree-ssa-operands.c (access_can_touch_variable): Update
121 Return true if ALIAS is .GLOBAL_VAR.
123 2006-07-18 David Daney <ddaney@avtrex.com>
125 * gcc.c (display_help): Fix typo in help text.
127 2006-07-18 Olivier Hainque <hainque@adacore.com>
129 * tree.h (categorize_ctor_elements): Adjust prototype and add
130 descriptive comment, both in accordance with the interface change
132 * varasm.c (constructor_static_from_elts_p): New function.
133 Whether a constructor node is a valid static constant initializer
134 if all its elements are.
135 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
136 * output.h: Declare it.
137 * expr.c (categorize_ctor_elements_1): Return whether the constructor
138 is a valid constant initializer instead of computing the number of
139 non-constant elements. Use constructor_static_from_elts_p for this
140 purpose. Replace the head comment with an indication that this is a
141 helper for categorize_ctor_elements.
142 (categorize_ctor_elements): Same interface change as for the _1
143 helper. Former head comment from this helper moved here, adjusted to
144 account for the interface changes.
145 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
146 (all_zeros_p): Likewise.
147 * gimplify.c (gimplify_init_constructor): Decide whether we can make
148 static versions of the constructor from the categorize_ctor_elements
149 return value instead of the formerly computed number of non-constant
152 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
154 * configure: Regenerate.
155 * Makefile.in (build_libsubdir): New configure substitution
156 (build_libobjdir): New variable.
157 (BUILD_LIBIBERTY): Use it.
159 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
162 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
164 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
167 * c-common.c (handle_weakref_attribute): Ignore attribute in
168 the same conditions the alias attribute is ignored.
170 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
172 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
173 (dbxout_begin_prologue): Increment scope_labelno.
175 2006-07-17 Richard Henderson <rth@redhat.com>
178 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
181 2006-07-17 Roger Sayle <roger@eyesopen.com>
182 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
184 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
185 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
186 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
187 functions such as sbrk, write, etc.. Add function prototypes.
188 Convert function declarations from K&R to ISO C. Cast pointers
189 to "long" and "unsigned long" instead of "int" and "unsigned int".
190 Convert tokens following #endif into comments.
192 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
194 * invoke.texi: Remove mention of f77; Reformat table for
195 inline parameter options correctly; mention that -malign-double
196 is default on x86-64 targets.
198 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
200 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
201 (convert_affine_scev, chrec_convert_aggressive): Use
202 avoid_arithmetics_in_type_p. Do not check for the subtypes
205 2006-07-17 Richard Sandiford <richard@codesourcery.com>
208 * optabs.c (expand_doubleword_shift): Wrap the call to
209 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
211 2006-07-17 Richard Sandiford <richard@codesourcery.com>
214 * optabs.c (expand_binop): Pass next_methods rather than methods
215 to expand_doubleword_shift.
217 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
220 * tree.h (dump_addr): Declare.
221 * print-tree.c (dump_addr): New function.
222 (print_node_brief, print_node): Use it.
223 * print-rtl.c (print_rtx): Likewise.
224 * common.opt (-fdump-noaddr): New option.
225 * doc/invoke.texi (-fdump-noaddr): Document.
226 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
227 (ve_info_hash): Likewise.
229 2006-07-13 Andrew Haley <aph@redhat.com>
231 PR tree-optimization/19505
232 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
233 edge leaving this block, make sure that the destination of this
234 block has only one predecessor.
236 2006-07-17 Richard Guenther <rguenther@suse.de>
238 PR tree-optimization/28238
239 * tree-inline.c (copy_bb): Check if we produced valid
240 gimple copying and substituting a stmt. If not, gimplify
243 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
245 * optabs.c (maybe_encapsulate_block): New function extracted from...
246 (emit_libcall_block): ...here. Invoke it on the block of insns to
247 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
248 (emit_no_conflict_block): Likewise.
250 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
252 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
254 2006-07-15 Roger Sayle <roger@eyesopen.com>
256 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
257 a new NOP_EXPR case of the switch statement.
259 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
262 * stor-layout.c (place_field): Take the bit field with
263 an excessive size into account in the ms-bitfiled case.
266 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
267 the previous bit field.
269 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
272 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
274 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
276 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
277 signal frames correctly even when the signal was installed with
280 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
282 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
283 (dbxout_function_end): Use local label LFBB. Remove hook
285 (dbxout_source_line): Use local label LFBB.
286 (dbxout_block): Likewise.
287 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
288 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
289 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
292 2006-07-13 Janis Johnson <janis187@us.ibm.com>
294 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
296 2006-07-13 Jan Hubicka <jh@suse.cz>
298 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
300 * output.h (align_variable): Declare.
301 * varasm.c (align_variable): Export.
302 * value-prof.c (tree_value_profile_transformations): Recompute iterator
303 when basic block changed.
305 2006-07-13 Nick Clifton <nickc@redhat.com>
307 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
308 walking the LOG_LINKS chain.
310 2006-07-12 Geoffrey Keating <geoffk@apple.com>
312 * doc/invoke.texi (C++ Dialect Options): Explain difference
313 between -fvisibility-inlines-hidden and setting hidden
314 visibility explicitly.
316 2006-07-12 Eric Christopher <echristo@apple.com>
318 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
319 (stmp-lipo): Depend on libgcc.a.
321 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
323 * tree.c: Fix a comment typo.
325 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
327 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
329 (umulhisi3_r): Likewise.
331 2006-07-12 Paolo Carlini <pcarlini@suse.de>
334 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
335 x < 19, vs wchar_t support.
337 2006-07-12 Nick Clifton <nickc@redhat.com>
339 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
342 2006-07-12 Mike Stump <mrs@apple.com>
344 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
346 2006-07-10 Eric Christopher <echristo@apple.com>
348 * config/t-slibgcc-darwin: Rewrite.
350 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
353 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
356 2006-07-08 Matthias Klose <doko@debian.org>
358 * doc/sourcebuild.texi: Fix typo.
360 2006-07-07 Mike Stump <mrs@apple.com>
362 * toplev.c (process_options): Don't give -ffunction-sections may
363 affect debugging warning for Mach-O.
365 2006-07-07 James E Wilson <wilson@specifix.com>
367 * config/mips/mips.md (cpu): Add sb1a.
368 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
369 addition to sb1. Adjust comments to clarify SB-1A differences from
371 (ir_sb1a_load): New. Modify bypasses to use it.
372 (ir_sb1a_simple_alu): Likewise.
373 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
374 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
375 (mips_issue_rate): Add PROCESSOR_SB1A.
376 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
377 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
378 (TARGET_SB1): Add PROCESSOR_SB1A check.
379 (TUNE_SB1): Likewise.
381 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
382 * config/mips/mips.c (mips_store_data_bypass_p): New.
383 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
386 2006-07-08 Paul Brook <paul@codesourcery.com>
389 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
391 2006-07-07 Richard Guenther <rguenther@suse.de>
394 * tree.h (build_one_cst): Declare.
395 * tree.c (build_one_cst): New function.
396 * tree-ssa-math-opts.c (get_constant_one): Remove.
397 (insert_reciprocals): Use build_one_cst.
398 * fold-const.c (fold_plusminus_mult): Likewise.
400 2006-07-07 Roger Sayle <roger@eyesopen.com>
402 * pointer-set.c (pointer_set_destroy): Correct whitespace.
403 * cfgloopanal.c (dump_graph): Likewise.
404 * dojump.c (discard_pending_stack_adjust): Likewise.
405 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
407 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
408 * function.c (finalize_block_changes): Likewise.
409 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
410 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
411 * rtl.c (dump_rtx_statistics): Likewise.
412 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
414 * varray.c (dump_varray_statistics): Likewise.
415 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
416 decode_decimal64, encode_decimal128, decode_decimal128,
417 decimal_real_to_decimal): Likewise.
419 2006-07-07 Richard Guenther <rguenther@suse.de>
421 PR tree-optimization/28187
422 * tree-vrp.c (vrp_operand_equal_p): New function.
423 (vrp_bitmap_equal_p): Likewise.
424 (update_value_range): Use them to compare old and new
427 2006-07-06 Roger Sayle <roger@eyesopen.com>
429 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
430 a default case to switch statement to silence compiler warnings.
432 2006-07-06 Roger Sayle <roger@eyesopen.com>
435 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
436 the configured assembler supports the x87's ffreep mnemonic.
437 * configure: Regenerate.
438 * config.in: Regenerate.
440 * config/i386/i386.c (output_387_ffreep): New function.
441 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
442 (output_387_reg_move): Likewise.
444 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
446 Port to hosts whose 'sort' and 'tail' implementations
447 treat operands with leading '+' as file names, as POSIX
448 has required since 2001. However, make sure the code still
449 works on pre-POSIX hosts.
450 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
451 which says you should use "tail -c +N" rather than "tail +Nc".
452 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
454 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
456 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
459 2006-07-06 David Edelsohn <edelsohn@gnu.org>
462 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
463 PRE_{INC,DEC} of TFmode.
465 2006-07-06 David Edelsohn <edelsohn@gnu.org>
466 Alan Modra <amodra@bigpond.net.au>
469 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
472 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
475 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
476 Remove duplicate gtu.
478 2006-07-05 Jason Merrill <jason@redhat.com>
482 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
483 * c-common.c (handle_packed_attribute): So don't copy it here.
484 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
486 2006-07-05 Mike Stump <mrs@apple.com>
488 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
490 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
493 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
495 2006-07-05 Richard Guenther <rguenther@suse.de>
498 * config/i386/i386.md (*negdf2_1): Restrict pattern to
499 TARGET_SSE2 targets if using SSE math.
500 (*absdf2_1): Likewise.
502 2006-07-05 Richard Guenther <rguenther@suse.de>
504 PR tree-optimization/28162
505 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
506 make sure to convert the operands to the correct type.
508 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
510 PR tree-optimization/28218
512 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
513 to calculate and free the dominator information.
515 2006-07-04 Peter O'Gorman <peter@pogma.com>
517 * mklibgcc.in: chmod 644 before ranlib during install.
519 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
520 J"orn Rennecke <joern.rennecke@st.com>
522 * configure.ac (.eh_frame data check): Use diff -b.
524 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
527 * Makefile.in (BUILD_RTL): Add build/vec.o.
528 (build/gencondmd.o): Filter out -fkeep-inline-functions.
529 (build/genextract): Delete.
530 (build/genautomata): Likewise.
532 2006-07-04 Alan Modra <amodra@bigpond.net.au>
535 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
536 128-bit IBM long doubles for ABI_V4.
538 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
540 * tree.c (range_in_array_bounds_p): New predicate.
541 * tree.h (range_in_array_bounds_p): Declare it.
542 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
543 return a less conservative answer.
544 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
546 (IS_ELEMENT_FOR_GROUP): New macro.
547 (FOR_EACH_ACTUAL_CHILD): Likewise.
548 (next_child_for_group): New helper function.
549 (can_completely_scalarize_p): Take into account groups.
550 (sra_hash_tree): Handle RANGE_EXPR.
551 (sra_elt_eq): Likewise.
552 (lookup_element): Be prepared for handling groups.
553 (is_valid_const_index): Delete.
554 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
555 instead of is_valid_const_index.
556 <ARRAY_RANGE_REF>: New case.
557 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
558 is_valid_const_index.
559 <ARRAY_RANGE_REF>: Do not unconditionally punt.
560 (scan_dump): Dump info for groups too.
561 (decide_instantiation_1): Likewise.
562 (decide_block_copy): Assert that the element is not a group.
563 Propagate decision to groups.
564 (generate_one_element_ref): Handle RANGE_EXPR.
565 (mark_no_warning): Iterate over actual childs.
566 (generate_copy_inout): Likewise.
567 (generate_element_copy): Likewise.
568 (generate_element_zero): Likewise.
569 (generate_element_init_1): Likewise.
570 (dump_sra_elt_name): Handle RANGE_EXPR.
572 2006-07-03 Roger Sayle <roger@eyesopen.com>
574 PR tree-optimization/26251
575 * tree-ssa-threadupdate.c (redirection_block_p): New function.
576 (thread_block): When optimizing for size refuse to thread jumps
577 that would require duplication of blocks other than redirection
580 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
582 * configure.ac: Fix thinko in previous check-in.
583 * configure: Regenerate.
585 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
588 * configure.ac (for lang...): Simplify nesting of conditionals.
589 Test subdir_requires for non-enabled languages. Move processing
590 of lang_opt_files and lang_tree_fiels below that test.
591 * configure: Regenerate.
592 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
594 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
596 * doc/gcov.texi (Invoking Gcov): Add a missing word.
598 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
600 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
603 2006-06-29 Jason Merrill <jason@redhat.com>
610 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
611 * c-common.c (c_determine_visibility): Handle it here.
612 * c-decl.c (finish_decl): Call c_determine_visibility for
614 * flags.h (enum symbol_visibility): Sort from most to least visibility.
616 * varasm.c (default_assemble_visibility): Likewise.
617 * c-common.c (handle_visibility_attribute): Complain about trying
618 to give visibility to an already defined class, or trying to change
619 declared visibility. Always attach the attribute.
624 * attribs.c (decl_attributes): Ignore type-in-place attributes
625 once the type has been defined.
627 2006-06-29 Roger Sayle <roger@eyesopen.com>
630 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
631 to indicate the cpplib has issued an error message for us.
633 2006-06-29 Asher Langton <langton2@llnl.gov>
636 * config/i386/i386.c (ix86_output_function_epilogue): Don't
637 insert a label at the end of an function under Mach-O.
639 2006-06-29 Eric Christopher <echristo@apple.com>
640 Evan Cheng <evan.cheng@apple.com>
642 * predicates.md (vector_all_ones_operand): New.
643 (nonimmediate_or_sse_const_operand): Ditto.
644 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
645 * config/i386/i386.c (standard_sse_constant_opcode): Define.
646 (standard_sse_mode_p): Ditto.
647 (standard_sse_constant_p): Add case for -1 vector.
648 (ix86_expand_vector_move): Try to use.
649 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
650 Call standard_sse_constant_opcode.
651 (*movv4sf_internal): Ditto.
652 (*movv2df_internal): Ditto.
654 2006-06-29 Roger Sayle <roger@eyesopen.com>
656 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
657 of XEXP to extract the operands of a MATCH_CODE rtx.
659 2006-06-28 Andrew Pinski <pinskia@gmail.com>
661 * tree.c (tree_size): Do not waste tail padding in
662 struct tree_string and make the size be the same as
663 build_string will generate.
665 2006-06-28 Jason Merrill <jason@redhat.com>
668 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
669 may_aliases already in the tag's annotations to the bitmap.
671 2006-06-28 Roger Sayle <roger@eyesopen.com>
673 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
675 2006-06-28 Roger Sayle <roger@eyesopen.com>
677 * genpreds.c (generate_switch_p): New function.
678 (add_mode_tests): Push the new mode test down inside an AND expr
679 if this allows the switch-suitable MATCH_CODE to be near the root.
680 (write_match_code_switch): New function to write a MATCH_CODE as
682 (write_predicate_stmts): New function to write a predicate RTX
683 expression as a sequence of statements.
684 (write_one_predicate_function): Use write_predicate_stmts.
685 (write_tm_constrs_h): Likewise.
687 2006-06-26 Fred Fish <fnf@specifix.com>
689 * config/mips/t-sb1: New file.
690 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
693 2006-06-26 DJ Delorie <dj@redhat.com>
695 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
697 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
698 Jayant Sonar <jayants@kpitcummins.com>
699 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
701 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
702 (subsi3, subsi3_1, subsi3_2): New.
703 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
704 * config/m32c/mov.md (SI mov peephole): New.
705 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
706 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
708 2006-06-26 Olivier Hainque <hainque@adacore.com>
710 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
711 a CALL_EXPR target function declaration.
713 2006-06-26 Richard Guenther <rguenther@suse.de>
715 * tree.c (build_string): Do not waste tail padding in
718 2006-06-26 Richard Guenther <rguenther@suse.de>
720 * ggc-page.c (init_ggc): Add missing element to size_lookup
724 2006-06-23 Richard Guenther <rguenther@suse.de>
726 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
727 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
728 alignment requests instead. Add verification code.
729 Add struct tree_function_decl and struct tree_binfo size to
730 extra_order_size_table. Add missing element to size_lookup
733 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
736 * fold-const.c (const_binop): Be prepared for self returning zero.
737 Simplify code handling complex values.
739 2006-06-24 Olivier Hainque <hainque@adacore.com>
741 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
742 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
745 2006-06-24 Olivier Hainque <hainque@adacore.com>
747 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
748 ARRAY_REF, so have the callback called for the low bound expression.
750 2006-06-23 Janis Johnson <janis187@us.ibm.com>
752 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
753 * c-typeck.c (c_common_type): Disallow operations on decimal float
754 types and other float types.
755 * convert.c (convert_to_real): Don't ignore conversions involving
758 2006-06-23 Olivier Hainque <hainque@adacore.com>
760 * tree.c (max_int_size_in_bytes): New function, inspired from
761 code in function.c:assign_temp.
762 * tree.h (max_int_size_in_bytes): Declare.
763 * function.c (assign_temp): Use it.
764 * gimplify.c (create_tmp_var): Relax the assertions on the type
765 properties, not mandating constant size any more.
766 (force_constant_size): New static function.
767 (gimple_add_tmp_var): Use it, forcing variable size to a
768 constant upper bound if it is not constant on entry.
770 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
773 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
774 for initialization and setting of one_only flag to ...
775 (i386_pe_encode_section_info): ...here.
776 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
777 Recheck that the symbol has not been defined.
779 2006-06-23 Richard Guenther <rguenther@suse.de>
781 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
782 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
783 alignment requests instead. Add verification code.
784 Add struct tree_function_decl and struct tree_binfo size to
785 extra_order_size_table. Add missing element to size_lookup
788 2006-06-22 Roger Sayle <roger@eyesopen.com>
789 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
792 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
793 call to lang_hooks.types.type_for_mode returned NULL_TREE.
795 2006-06-23 Ben Elliston <bje@au.ibm.com>
797 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
798 negate dn -- manipulate it directly.
800 2006-06-22 Roger Sayle <roger@eyesopen.com>
801 Steven Bosscher <stevenb.gcc@gmail.com>
804 * reload1.c (gen_reload): Call mark_jump_label on the new insns
805 generated by gen_move_insn to add REG_LABEL notes if necessary.
807 2006-06-22 Bob Wilson <bob.wilson@acm.org>
809 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
810 (leaf_entry): Remove use of MIN_ESA.
812 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
814 PR rtl-optimization/28121
815 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
818 2006-06-21 DJ Delorie <dj@redhat.com>
820 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
822 (mulhisi3_r): Likewise.
824 2006-06-21 Richard Sandiford <richard@codesourcery.com>
827 * coverage.c (coverage_counter_alloc): Leave the index type
829 (coverage_counter_alloc): Use null arguments for operands 2 and 3
832 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
834 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
835 section from the "Options for Code Generation Conventions".
837 2006-06-21 Richard Henderson <rth@redhat.com>
841 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
843 (global_symbolic_operand): Allow weak symbols, even if local_p.
845 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
847 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
848 (find_interesting_uses_address): Punt if above function returns true.
850 2006-06-21 Richard Guenther <rguenther@suse.de>
852 * configure: Regenerated.
854 2006-06-21 Joseph Myers <joseph@codesourcery.com>
856 * config/mips/mips.c (function_arg): Where one part of a
857 complex argument is in registers and the other part in the stack,
858 return a REG not a PARALLEL.
860 2006-06-21 Mark Mitchell <mark@codesourcery.com>
862 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
863 when cross-compiling. Do not substitute libstdcxx_incdir.
864 * configure: Regenerated.
866 2006-06-21 Jakub Jelinek <jakub@redhat.com>
868 * varasm.c (mergeable_string_section): Check for embedded NULs and
869 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
870 rather than TREE_STRING_LENGTH bytes.
872 2006-06-21 Richard Guenther <rguenther@suse.de>
874 * ggc-page.c (extra_order_size_table): Add var_ann_d,
875 tree_ssa_name, bitmap_element and phi_node with 4 arguments
878 2006-06-21 Richrad Guenther <rguenther@suse.de>
880 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
881 Limit iteration over the dominators.
883 2006-06-20 Roger Sayle <roger@eyesopen.com>
885 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
886 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
888 2006-06-20 Richard Guenther <rguenther@suse.de>
889 Michael Matz <matz@suse.de>
891 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
893 * alloc-pool.c (free_alloc_pool_if_empty): New function.
894 * et-forest.h (et_free_pools): Prototype new function.
895 * et-forest.c (et_free_tree_force): Free parent occurrence.
896 (et_free_pools): New function.
897 * dominance.c (free_dominance_info): Free et-forest alloc
900 2006-06-20 Roger Sayle <roger@eyesopen.com>
902 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
903 integer modes, attempt to directly construct an integer constant.
905 * fold-const.c (native_encode_vector): Determine the size of each
906 element from the vector type instead of the first vector element.
908 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
909 if all of its elements/components are constant.
910 (build_constructor_from_list): Likewise.
912 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
914 PR tree-optimization/27331
915 * tree-data-ref.c (free_data_ref): New function.
916 (create_data_ref): Fail if the data reference has unknown access
918 (free_data_refs): Use free_data_ref.
920 2006-06-19 Andrew Pinski <pinskia@gmail.com>
923 * tree-inline.c (setup_one_parameter): Strip useless
924 type conversion before adding it to the IR.
925 (declare_return_variable): Likewise.
927 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
930 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
932 2006-06-19 Mike Stump <mrs@apple.com>
934 * tree.c (variably_modified_type_p): VM arguments don't make the
937 2006-06-19 Richard Guenther <rguenther@suse.de>
939 * tree-ssa-pre.c (try_combine_conversion): Strip useless
940 type conversions after folding.
942 2006-06-19 Richard Guenther <rguenther@suse.de>
944 * ggc-page.c (extra_order_size_tab): Add entries with
945 size of struct function and basic_block.
946 (size_lookup): Extend to cover sizes up to 511.
947 (ggc_alloc_stat): Adjust user.
948 (ggc_pch_count_object): Likewise.
949 (ggc_pch_alloc_object): Likewise.
950 (ggc_pch_write_object): Likewise.
952 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
954 * tree-ssa-loop-niter.c (implies_ge_p): New function.
955 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
958 2006-06-19 Denis Chertykov <denisc@overta.ru>
960 * config/avr/libgcc.S : Correct my wrong previous commit.
962 2006-06-19 Roger Sayle <roger@eyesopen.com>
965 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
966 have stripped a SUBREG from the shift count, so we may need to
967 convert_to_mode back to the type's mode before calling make_tree.
968 Use new_amount instead of amount to avoid expanding a tree twice.
970 2006-06-19 Richard Guenther <rguenther@suse.de>
973 * fold-const.c (operand_equal_p): Check if the argument types
974 have the same precision before stripping NOPs.
976 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
978 Fix PR tree-optimization/27341
979 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
981 * tree-complex.c (pass_lower_complex): Update SMT usage.
983 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
985 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
986 Add a new alternative to the constraint strings. Add move of
987 operand 1 to 3 to the splitter definition.
988 ("doloop_si_long"): Second contraint alternative removed.
990 2006-06-08 Anatoly Sokolov <aesok@post.ru>
992 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
993 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
995 (AVR_HAVE_MOVW) Define.
996 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
997 (ASM_SPEC): Add avr25.
998 (LINK_SPEC): Add avr25.
999 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1000 (base_arch_s): Add new member 'have_movw_lpmx'.
1001 (avr_arch_types): Init 'have_movw_lpmx'.
1002 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1003 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1004 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1005 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1006 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1008 (avr_file_start): Do not output '.arh' derective.
1009 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1010 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1011 * config/avr/avr.md (mcu_enhanced): Delete.
1012 (mcu_have_movw): Define.
1013 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1014 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1015 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1016 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1017 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1018 attiny861 and at86rf401 devices.
1020 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1022 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1025 2006-06-17 Karl Berry <karl@gnu.org>
1027 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1028 doc/gccint.texi, doc/install.texi (@dircategory): Use
1029 "Software development" instead of "Programming", following
1030 the Free Software Directory.
1032 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1034 * config/i386/i386.c (legitimate_tls_address)
1035 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1036 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1037 (*tls_dynamic_gnu2_combine_64): Likewise.
1039 2006-06-16 Richard Guenther <rguenther@suse.de>
1042 * fold-const.c (negate_expr_p): Do not introduce undefined
1043 overflow in negating INTEGER_CSTs.
1044 (fold_negate_expr): Rename from negate_expr. Revert last
1045 change for folding BIT_NOT_EXPR. Change semantics to
1046 return NULL_TREE for non-simplified negations. Do not
1047 strip type conversions and unify type handling.
1048 (negate_expr): New function, wrap around fold_negate_expr
1049 but ensure building a tree always. Strip type conversions
1050 here, fold to result type.
1051 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1053 2006-06-16 Roger Sayle <roger@eyesopen.com>
1056 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1057 that (would) return their results in stack registers.
1059 2006-06-16 Michael Matz <matz@suse.de>
1060 Richard Guenther <rguenther@suse.de>
1062 * fold-const.c (fold_truthop): Only return new tree node if
1063 we canonicalized something.
1065 2006-06-16 Richard Guenther <rguenther@suse.de>
1067 * function.h (enum function_frequency): Move declaration
1068 out of struct function.
1069 (struct function): Move bool fields and the enum to the bitfield
1070 section. Reorder elements to avoid padding. Remove unused
1071 fields left over from the RTL inliner removal.
1072 * function.c (free_after_compilation): Do not zero removed fields.
1073 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1074 (ipa-type-escape.o): Likewise.
1076 2006-06-16 Richard Guenther <rguenther@suse.de>
1078 * cgraph.h (struct cgraph_local_info): Turn bool elements
1080 (struct cgraph_node): Likewise.
1081 (struct cgraph_varpool_node): Likewise.
1083 2006-06-15 Richard Guenther <rguenther@suse.de>
1085 * fold-const.c (fold_truth_not_expr): Rename from
1086 invert_truthvalue. Give it fold_* semantics to avoid
1088 (invert_truthvalue): New function. Wrapper around
1089 fold_truth_not_expr.
1090 (optimize_minmax_comparison): Avoid creating garbage.
1091 (fold_unary): Use fold_truth_not_expr for folding
1093 (fold_ternary): Replace uses of invert_truthvalue with
1094 fold_truth_not_expr where applicable.
1095 * tree.h (fold_truth_not_expr): Prototype.
1097 2006-06-16 Richard Guenther <rguenther@suse.de>
1099 PR tree-optimization/27781
1100 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1101 * ipa-pure-const.c (target.h): Include.
1102 (analyze_function): Do not analyze functions that do not
1105 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1108 * tree-dfa.c (referenced_vars_dup_list): Remove.
1109 (find_referenced_vars): Remove assert.
1110 (referenced_var_check_and_insert): Replace dup list with assert.
1111 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1112 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1114 2006-06-15 Richard Guenther <rguenther@suse.de>
1116 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1117 extra unused identifiers if not dumping.
1118 (create_variable_info_for): Likewise.
1120 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1122 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1123 (derive_constant_upper_bound): Derive more precise upper bound in
1124 common cases. Return type changed to double_int.
1125 (record_estimate): Reflect the changed return type of
1126 derive_constant_upper_bound.
1127 * double-int.c (double_int_zext, double_int_sext): Fix.
1129 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1131 * configure.ac (CFLAGS): Get them from the toplevel or from the
1132 configure invocation.
1133 * configure: Regenerate.
1134 * Makefile.in (CFLAGS): Substitute value provided by configure.
1136 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1139 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1140 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1141 rather than calling add_stmt on it.
1142 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1144 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1147 * reload1.c (reload): Remove registers returned by update_eliminables
1148 from used_spill_regs.
1150 2006-06-13 DJ Delorie <dj@redhat.com>
1152 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1154 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1156 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1157 html__strip_dir, html__mkdir_p. Enhance install-html target.
1158 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1159 * configure: Regenerate.
1161 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1163 * fold-const.c (fold_cond_expr_with_comparison): Check for
1164 Objective-C++ as language in deciding COND_EXPR transformation.
1166 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1169 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1170 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1171 * config/sh/lib1funcs.h (SL, SL1): Define.
1172 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1173 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1174 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1175 (OBJS_Os_4_200): New variable.
1176 ($(T)libgcc-Os-4-200.a): Use it.
1177 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1178 when dividing 1 and/or by 0.
1180 2006-06-13 Roger Sayle <roger@eyesopen.com>
1182 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1183 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1184 * configure: Regenerate.
1186 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1188 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1189 for real instruction.
1191 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1194 * haifa-sched.c (check_cfg): Handle special case.
1196 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1199 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1200 Add debug_info parameter. Chain the vars to the BLOCK instead
1201 of the BIND_EXPR if debug info are requested for them.
1202 (pop_gimplify_context): Adjust for above change.
1203 (gimple_add_tmp_var): Likewise.
1204 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1206 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1207 (convert_local_reference): Likewise.
1208 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1209 (finalize_nesting_tree_1): Request that debug info be emitted
1210 for debug_var_chain.
1212 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1214 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1215 for PR target/27863.
1217 2006-06-13 Richard Guenther <rguenther@suse.de>
1220 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1222 2006-06-13 Richard Guenther <rguenther@suse.de>
1224 PR tree-optimization/27830
1225 * tree-inline.c (copy_body_r): For copying the operand
1226 of an ADDR_EXPR make sure to fold &* afterwards.
1228 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1230 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1231 lvalues in the fb_none case with side-effects.
1233 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1235 * tree-flow.h: Remove the prototype for
1236 compute_phi_arg_on_exit.
1237 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1238 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1241 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1243 * builtins.c (expand_builtin_return_addr): Only use
1244 frame_pointer_rtx when count == 0 and we are expanding
1245 __builtin_return_address.
1247 2006-06-12 Fred Fish <fnf@specifix.com>
1249 * config/mips/mips.c (mips_file_start): Create special section
1250 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1252 2006-06-11 Eric Christopher <echristo@apple.com>
1255 * stor-layout.c (place_field): Remove check for
1256 remaining_in_alignment when aligning at the end of a run.
1258 2006-06-11 Eric Christopher <echristo@apple.com>
1261 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1264 2006-06-11 Roger Sayle <roger@eyesopen.com>
1267 Revert incorrect fix for PR target/27158
1268 2006-05-08 Roger Sayle <roger@eyesopen.com>
1269 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1270 of a reg_equiv_constant if the result is a legitimate constant.
1272 2006-06-11 Roger Sayle <roger@eyesopen.com>
1275 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1276 extract a CONST_VECTOR element and interpret it as an integer.
1277 (vspltis_constant): Use const_vector_elt_as_int instead of the
1278 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1279 * config/rs6000/predicates.md (easy_vector_const): Consider
1280 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1282 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1285 * stor-layout.c (update_alignment_for_field): Don't add extra
1286 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1289 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1291 * config/mips/t-rtems: Add EL/EB multilib variants.
1293 2006-06-09 Mike Stump <mrs@apple.com>
1295 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1297 2006-06-09 David Daney <ddaney@avtrex.com>
1299 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1301 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1303 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1305 2006-06-09 Richard Guenther <rguenther@suse.de>
1307 PR tree-optimization/26998
1308 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1309 of signed types, only TYPE_MIN_VALUE is special, but for both,
1310 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1311 in this case, as is -fwrapv.
1313 2006-06-08 Mike Stump <mrs@apple.com>
1316 * config/darwin.c (darwin_asm_output_anchor): Disable
1317 -fsection-anchors on darwin for now.
1318 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1319 * rs6000/rs6000.c (optimization_options): Likewise.
1321 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1324 * config/i386/i386.c (classify_argument): Skip fields with invalid
1327 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1329 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1330 (cse_insn): Likewise for the stack_pointer_rtx.
1332 2006-06-08 Roger Sayle <roger@eyesopen.com>
1334 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1335 conditions from floating point comparisons.
1337 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1340 * expmed.c (struct alg_hash_entry): Fix type of field T
1341 to match synth_mult argument.
1342 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1344 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1347 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1350 2006-06-08 Richard Guenther <rguenther@suse.de>
1353 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1354 only, if overflow is defined and not trapping.
1355 (negate_expr): Likewise.
1357 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1359 PR tree-optimization/27872
1360 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1361 flag on the new exit edge of the unrolled loop.
1363 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1365 PR rtl-optimization/26449
1366 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1368 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1371 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1372 referenced_variables with matching DECL_UID's.
1373 (find_referenced_vars): Make sure duplicate list is empty to start.
1374 (referenced_var_p): Remove.
1375 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1376 Check if var is in the list, and add if needed. Update the duplicate
1377 list if a different var is in the list with the same DECL_UID.
1378 (add_referenced_var): Call routine to check and insert.
1379 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1380 * tree-flow.h (referenced_vars_dup_list): External declaration.
1382 2006-06-07 Fred Fish <fnf@specifix.com>
1384 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1387 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1390 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1391 the imaginary and real parts of a clobbered register.
1392 Emit insn to set the imaginary part.
1394 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1396 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1397 in lieu of unwind-dw2-fde.c.
1399 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1401 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1403 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1406 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1407 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1408 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1409 V4SImode temporaries and operations instead.
1411 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1413 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1416 2006-06-06 Mike Stump <mrs@apple.com>
1418 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1419 installing during build.
1421 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1423 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1425 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1426 * config/ia64/ia64.c (params.h): New header.
1427 (ia64_optimization_options): New function to adjust parameters.
1428 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1429 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1430 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1432 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1434 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1436 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1439 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1441 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1442 Victor Kaplansky <victork@il.ibm.com>
1444 PR tree-optimization/26360
1445 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1448 2006-06-04 Roger Sayle <roger@eyesopen.com>
1449 Andrew Pinski <pinskia@physics.uc.edu>
1452 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1453 for LABEL_DECL before calling DECL_WEAK.
1456 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1457 LABEL_DECL and PARM_DECL.
1459 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1463 * c-decl.c (grokdeclarator): Disallow variably modified types at
1464 file scope. Avoid marking shared array type of constant size as
1467 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1470 * c-common.c (fold_offsetof_1): Handle static members.
1472 2006-06-04 Eric Christopher <echristo@apple.com>
1474 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1475 (debug_rli): Output value for remaining_in_alignment.
1476 (update_alignment_for_field): Unconditionalize
1477 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1478 extra alignment code.
1479 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1480 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1481 * tree.h (record_layout_info_s): Remove prev_packed.
1482 * doc/extend.texi (ms_struct): Add documentation of format.
1484 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1486 * tree.h: Declare folding_initializer.
1487 * builtins.c (fold_builtin_constant_p): Give definite answer
1488 if folding inside an initializer.
1489 * fold-const.c: Define folding_initializer.
1490 (START_FOLD_INIT): Save and then set folding_initializer.
1491 (END_FOLD_INIT): Restore folding_initializer.
1493 2006-06-04 Richard Guenther <rguenther@suse.de>
1495 PR tree-optimization/27039
1496 * fold-const.c (fold_comparison): Handle pointer comparison
1497 again for all comparison codes. Compare offsets in signed
1499 (fold_binary): Move code from here.
1501 2006-06-03 Roger Sayle <roger@eyesopen.com>
1504 * config/i386/i386.c (construct_container): Split static issued_error
1505 flag into issued_sse_arg_error, issued_sse_ret_error and
1506 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1507 requires the use of x87 registers and the user explicitly
1508 specified the -mno-80387 command line option.
1510 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1512 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1513 HAVE_DECL_SIGALTSTACK.
1515 (segv_handler): Use MC_FLD.
1516 * configure.ac: Check for a sigaltstack declaration.
1517 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1518 * configure: Regenerate.
1519 * config.in: Regenerate.
1521 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1524 * Makefile.in (stmp-fixinc): Fix typo.
1526 2006-06-02 Roger Sayle <roger@eyesopen.com>
1528 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1529 are type correct. Clean-up.
1530 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1531 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1533 2006-06-01 DJ Delorie <dj@redhat.com>
1535 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1536 shift, as we've disabled the "switch" insn that needs it.
1538 2006-06-01 Per Bothner <bothner@bothner.com>
1540 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1541 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1542 * c-ppoutput.c (cb_define): Don't increment line 0.
1544 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1546 * doc/invoke.texi: Add cpu_type power6.
1547 * config.gcc: Add cpu_type power6.
1548 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1549 to power5+ with Altivec.
1550 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1551 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1553 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1555 * config/avr/avr.h (SET_ASM_OP): Define.
1557 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1559 * config/bfin/bfin.c: Fix comment typos.
1561 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1564 * doc/install.texi: Document --enable-bootstrap and
1565 --disable-bootstrap.
1567 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1569 * doc/install.texi: Document that InfoZIP can replace jar.
1571 2006-05-31 Roger Sayle <roger@eyesopen.com>
1573 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1574 isn't available, directly generate the simpler x87 patterns without
1575 the (use (const_int 0)).
1576 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1577 implementation isn't available.
1578 (*negdf2_1): Likewise.
1579 (*negxf2_1): XF mode negation is always done using the x87.
1580 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1582 2006-05-31 Roger Sayle <roger@eyesopen.com>
1584 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1585 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1587 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1589 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1591 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1592 * config/bfin/bfin.c (basic-block.h): Include.
1593 (struct machine_function): New.
1594 (bfin_init_machine_status): New.
1595 (override_options): Initialize init_machine_status.
1596 (bfin_hardware_loop): New.
1597 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1598 (DEF_VEC_P (loop_info)): New.
1599 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1600 (struct loop_info): New.
1601 (loop_info): New typedef.
1602 (struct loop_work): New.
1603 (loop_work): New typedef.
1604 (DEF_VEC_O (loop_work)): New.
1605 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1606 (bfin_dump_loops): New.
1607 (bfin_bb_in_loop): New.
1608 (bfin_scan_loop): New.
1609 (bfin_optimize_loop): New.
1610 (bfin_reorg_loops): New.
1611 (bfin_reorg): Use bfin_reorg_loops.
1612 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1614 (I_REGNO_P): Simplify.
1615 (DP_REGNO_P, DPREG_P): New macros.
1616 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1617 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1618 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1619 Add LT_REGS, LC_REGS, LB_REGS.
1620 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1622 (REGNO_REG_CLASS): Deal with loop registers.
1623 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1625 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1626 New constants for loop registers.
1627 (UNSPEC_LSETUP_END): New.
1628 (seq_insns): New define_attr. Set it for appropriate insns.
1629 (movsi_insn): Add alternatives for move from/to
1630 loop count registers.
1631 (doloop_end): New define_expand.
1632 (loop_end): New define_insn.
1633 (define_split for bad doloop_end): New.
1634 (lsetup_with_autoinit): New define_insn.
1635 (lsetup_without_autoinit): New define_insn.
1636 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1637 * config/bfin/predicates.md (lc_register_operand): New.
1638 (lt_register_operand): New.
1639 (lb_register_operand): New.
1640 (nondp_register_operand): New.
1641 (nondp_reg_or_memory_operand): New.
1642 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1644 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1646 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1647 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1649 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1651 * Makefile.in (CATALOGS): Add po/ prefix.
1652 * configure: Regenerated.
1654 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1657 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1658 a shift operand before calling shift_op. Avoid redundant call of
1661 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1662 DJ Delorie <dj@redhat.com>
1664 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1665 we're inserting is a singlt-bit constant.
1667 2006-05-30 Roger Sayle <roger@eyesopen.com>
1669 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1670 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1672 2006-05-30 Roger Sayle <roger@eyesopen.com>
1674 PR tree-optimization/23452
1675 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1676 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1677 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1678 complex values and with -ffast-math for FP complex values.
1680 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1682 * c-common.h: Remove the prototype for yyparse.
1683 * rtl.h: Remove the prototype for init_loop.
1685 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1687 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1690 2006-05-30 Roger Sayle <roger@eyesopen.com>
1692 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1694 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1695 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1697 2006-05-30 Dirk Mueller <dmueller@suse.de>
1700 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1701 for CONSTANT_CLASS_P expresisons.
1703 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1706 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1708 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1710 PR tree-optimization/27779
1711 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1712 initial_condition instead of CHREC_LEFT.
1714 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1716 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1717 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1718 Make prototypes ISO C90.
1720 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1721 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1723 * see.c (see_analyze_one_def): Correct check.
1724 (see_get_extension_data): Check if extension is parallel.
1725 (see_get_extension_reg): Likewise.
1727 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1730 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1731 into register for (code == GTU).
1733 2006-05-29 Roger Sayle <roger@eyesopen.com>
1735 PR tree-optimization/24964
1736 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1737 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1738 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1739 abs(x)*abs(x) as x*x for scalar floating point modes.
1741 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1744 * lambda-code.c (perfect_nestify): Don't copy statements
1745 in the inner loop: move them to the inner loop header.
1747 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1750 * c-tree.texi: Document OpenMP directives and clauses.
1752 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1754 * varasm.c (globalize_decl): Fix indentation.
1756 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1759 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1760 pass_fre, pass_store_ccp, pass_copy_prop,
1761 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1762 pass_return_slot, pass_object_size, pass_lim,
1763 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1764 pass_loop_prefetch and pass_stdarg.
1766 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1768 * config/bfin/bfin.opt (mfdpic): New option.
1769 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1770 (EXTRA_MULTILIB_PARTS): Likewise.
1771 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1772 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1774 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1775 (CRT_CALL_STATIC_FUNCTION): New.
1776 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1778 (CRT_CALL_STATIC_FUNCTION): New.
1779 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1781 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1782 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1783 (initialize_trampoline): Changed to handle FD-PIC code generation.
1784 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1785 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1786 (override_options): Disallow -mid-shared-library -mfdpic combination.
1787 Can't do unaligned ops if FD-PIC.
1788 Turn off flag_pic if trying to generate non-id-shared-library
1789 non-fdpic code, since it's not supported.
1790 (bfin_assemble_integer): New function.
1791 (TARGET_ASM_INTEGER): Define.
1792 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1794 * config/bfin/crtn.s: Restore them.
1795 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1797 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1798 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1799 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1800 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1801 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1803 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1804 FDPIC_REGS and FDPIC_FPTR_REGS.
1805 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1806 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1807 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1808 (load_funcdescsi): New pattern.
1809 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1810 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1811 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1813 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1815 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1818 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1820 * tree-flow.h: Remove the prototype for add_type_alias.
1821 * tree-ssa-alias.c (add_type_alias): Remove.
1823 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1825 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1826 config/fr30/fr30.md, config/i386/i386-interix.h,
1827 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1828 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1829 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1830 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1831 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1832 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1833 Follow spelling conventions.
1834 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1835 Follow spelling conventions.
1837 2006-05-27 Richard Guenther <rguenther@suse.de>
1840 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1841 to produce a constant of value 1 of generic type.
1843 2006-05-27 Dirk Mueller <dmueller@suse.de>
1845 * cgraphunit.c (decide_is_function_needed): Fix wrong
1848 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1850 PR rtl-optimization/27661
1851 * reload.c (find_reloads): When reloading a VOIDmode constant
1852 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1853 use Pmode as mode of the reload register.
1855 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1857 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1858 is enabled at -O and above.
1860 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1863 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1866 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1869 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1870 for anonymous variables explicitly declared by front ends.
1872 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1874 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1875 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1876 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1877 ref-all pointers, run a finalization pass for them.
1878 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1879 (finalize_ref_all_pointers): New function.
1880 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1881 regular pointer type to a ref-all pointer type.
1882 (get_tmt_for): Return the special memory tag for ref-all pointers.
1884 2006-05-25 Richard Guenther <rguenther@suse.de>
1887 * fold-const.c (fold_binary): Do not look at the stripped
1888 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1890 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1892 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1893 for LT and GT if the computed range is effectively empty.
1895 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1898 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1899 mips_quad_format formats instead of ieee_single_format,
1900 ieee_double_format and ieee_quad_format formats, respectively.
1902 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1904 PR tree-optimization/27639
1905 PR tree-optimization/26719
1906 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1907 call to scev_probably_wraps_p.
1908 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1909 used_in_pointer_arithmetic_p, convert_step): Removed.
1910 (nowrap_type_p): New function.
1911 (scev_probably_wraps_p): Rewritten.
1912 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1913 chrec_convert if chrec_convert_aggressive might have been used.
1914 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1915 scev_direction): New functions.
1916 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1917 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1918 instead of convert_step.
1919 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1920 (convert_step): Declaration removed.
1921 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1923 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1925 * df-core.c: Added to header comments.
1926 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1927 df_ur_bb_info, df_urec_bb_info): Added comments.
1928 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1929 urec, ri problems): Fixed header comments.
1930 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1931 code from df_rd_transfer_function.
1933 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1935 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1936 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1937 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1939 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1941 * expr.c (undefined_operand_subword_p): New.
1942 (emit_move_multi_word): Do not generate move from undefined bits
1943 of a paradoxical subreg.
1945 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1947 PR rtl-optimization/27736
1948 * combine.c (replaced_rhs_value): New variable.
1949 (combine_instructions): Set it.
1950 (distribute_notes): When distributing a note in replaced_rhs_insn,
1951 check whether the value was used in replaced_rhs_value.
1953 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1956 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1957 add_referenced_var instead of add_referenced_tmp_var.
1958 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1959 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1961 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1962 tree_optimize_tail_calls_1): Use add_referenced_var.
1963 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1964 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1965 Use add_referenced_var.
1966 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1967 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1968 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1969 Use add_referenced_var.
1970 * tree-dfa.c (struct walk_state): Remove.
1971 (find_referenced_vars): Remove walk state and vars_found hash table.
1972 (make_rename_temp): Use add_referenced_var.
1973 (find_vars_r): Pass less parameters to add_referenced_var.
1974 (referenced_var_p): New. Is var in referenced_var hash table.
1975 (referenced_var_insert): Assert var isn't already in hash table.
1976 (add_referenced_var): Don't need walk_state parameter. Add var if it
1977 isn't already in the hash table.
1978 (add_referenced_tmp_var): Remove.
1979 (find_new_referenced_vars_1): Use add_referenced_var.
1980 * tree-ssa-pre.c (create_expression_by_pieces,
1981 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1982 Use add_referenced_var.
1983 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1984 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1985 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1987 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1988 vect_create_data_ref_ptr, vect_create_destination_var,
1989 vect_init_vector, vect_build_loop_niters,
1990 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1991 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1992 Use add_referenced_var.
1993 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1994 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1995 (add_referenced_var): Add prototype.
1996 * tree-ssa-structalias.c (get_constraint_for,
1997 intra_create_variable_infos): Use add_referenced_var.
1999 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2001 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2002 big-endian paradoxical subregs.
2003 * var-tracking.c (struct micro_operation_def): Document that,
2004 for modify micro operations, insn is the subsequent instruction.
2005 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2006 (var_reg_set, var_mem_set): ... new functions.
2007 (add_stores): Record subsequent insn.
2008 (compute_bb_dataflow): Use new functions for MO_USE.
2009 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2010 notes after the insn, and modify notes before the insn known
2011 to be the subsequent one.
2012 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2014 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2017 * config/i386/i386.c (ix86_expand_builtin): Use
2018 gen_sse3_monitor64 for TARGET_64BIT.
2020 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2022 PR rtl-optimization/26375
2023 PR rtl-optimization/26855
2024 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2026 (df_ru_bb_local_compute): Reversed statements and removed bogus
2027 comment explaining why they should be in wrong order.
2028 (df_ru_dump, df_rd_dump): Enhanced debug info.
2029 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2031 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2032 reaching uses and fixed space problem.
2034 2006-05-23 Jan Hubicka <jh@suse.cz>
2036 * cgraphunit.c (decide_is_function_needed): Also nested functions
2037 and functions declared inline can be optimized out at -O0.
2039 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2041 * doc/install.texi (Configuration): Remove reference to CrossGCC
2045 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2048 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2049 ix86_compare_emitted is non-NULL.
2051 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2054 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2057 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2059 PR rtl-optimization/25514
2060 * combine.c (replaced_rhs_insn): New variable.
2061 (combine_instructions): Set replaced_rhs_insn when trying to replace
2062 a SET_SRC with a REG_EQUAL note.
2063 (distribute_notes): Use replaced_rhs_insn when determining the live
2064 range of a REG_DEAD register.
2066 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2067 Anatoly Sokolov <aesok@post.ru>
2069 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2070 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2071 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2072 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2073 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2074 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2075 at90usb647, at90usb1286 and at90usb1287 devices.
2076 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2077 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2079 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2081 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2083 2006-05-22 Richard Guenther <rguenther@suse.de>
2086 2006-01-31 Richard Guenther <rguenther@suse.de>
2087 Paolo Bonzini <bonzini@gnu.org>
2089 * doc/install.texi (--disable-libgcc-math): Document.
2091 2006-05-22 Richard Guenther <rguenther@suse.de>
2094 2006-01-31 Richard Guenther <rguenther@suse.de>
2096 * doc/invoke.texi (-msselibm): Document.
2097 * target.h (expand_library_builtin): New target hook.
2098 * builtins.c (expand_builtin): Use expand_library_builtin.
2099 (default_expand_library_builtin): New function.
2100 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2101 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2102 (link_gcc_math_spec): Declare.
2103 (static_specs): Add link_gcc_math_spec.
2104 * expr.h (default_expand_library_builtin): Declare.
2105 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2106 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2107 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2108 * config/i386/i386.opt (msselibm): New target option.
2109 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2110 (ix86_init_sse_abi_builtins): New function.
2111 (ix86_expand_library_builtin): Likewise.
2112 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2113 (override_options): Handle error conditions wrt -msselibm.
2114 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2115 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2116 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2119 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2122 * c-common.c (self_promoting_args_p): Skip erroneous args.
2125 * c-decl.c (finish_struct): Skip erroneous fields.
2127 2006-05-22 Nick Clifton <nickc@redhat.com>
2129 * config/cris/cris.opt (march): Remove VarExists attribute.
2130 (max-stackframe=): Likewise.
2132 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2134 * doc/rtl.texi: Fix a typo.
2135 * see.c: Fix comment typos.
2137 * tree-ssa-structalias.h (alias_info): Remove num_references.
2139 2006-05-21 Mike Stump <mrs@apple.com>
2141 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2143 (darwin_pragma_options): Use BAD instead.
2144 (darwin_pragma_unused): Likewise.
2145 (darwin_pragma_ms_struct): Likewise.
2147 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2149 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2151 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2153 PR rtl-optimization/27671
2154 * simplify-rtx.c (simplify_relational_operation_1): Fix
2155 simplifications of (eq/ne (xor x y) y) and
2156 (eq/ne (xor x y) x).
2158 PR tree-optimization/26622.
2159 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2162 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2164 * tree-cfg.c: Prune whitespace.
2165 (debug_tree_cfg): Point to correct header containing the
2168 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2171 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2173 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2176 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2177 or sorry count is non zero.
2179 2006-05-20 Andreas Schwab <schwab@suse.de>
2181 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2183 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2184 Kenneth Zadeck <zadeck@naturalbridge.com>
2186 PR rtl-optimization/26855
2188 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2190 (df_scan_alloc): Added code to properly handle multiword hard
2191 registers and add all_blocks parameter.
2192 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2193 code to properly handle multiword hard registers.
2194 (df_rescan_blocks): Added code to remove deleted blocks from
2196 (df_ref_create_structure, df_ref_record): Added code to properly
2198 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2199 and set DF_REF_PARTIAL.
2200 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2201 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2202 (df_scan_add_problem): Added flags parameter.
2203 (df_ref_create_structure): Changed switching structure.
2204 (df_bb_refs_record): Fixed case where duplicate artificial refs
2205 were created. Changed location of flags.
2206 (df_record_entry_block_defs): Added code to make stack pointer
2207 live in entry block. Refined cases where frame pointer is needed.
2208 Changed location of flags.
2209 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2210 (df_set_state): Removed function.
2211 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2212 df_insn_create_insn_record, df_insn_refs_delete,
2213 df_ref_create_structure): Formatting changes.
2214 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2215 df_delete_basic_block): New function.
2216 (df_init): Changed location of flags.
2217 (df_add_problem): Added flags parameter and the way flags are
2219 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2220 debug_df_chain): Improved debugging output.
2221 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2222 (df_refs_chain_dump): Removed df parameter.
2223 (df_iterative_dataflow): Added consistency check.
2224 (df_prune_to_subcfg): Made public.
2225 (df_analyze_problem): Added blocks_to_init parameter and made
2227 (df_ref_record, df_bb_refs_record, df_mark_reg,
2228 df_record_exit_block_uses): Whitespace changes.
2229 (df_dump): Whitespace changes.
2230 * df.h: Some reordering to remove forward references.
2231 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2232 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2233 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2234 (dataflow.flags): New field.
2235 (df.flag): Deleted field.
2236 (df_alloc_function): Added additional bitmap parameter.
2237 (df_dependent_problem_function): New type.
2238 (df_problem.changeable_flags): New field.
2239 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2240 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2241 (df_mw_hardreg): New struct.
2242 (DF_INSN_UID_MWS): New macro.
2243 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2245 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2246 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2247 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2248 (df_set_state): Removed function.
2249 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2250 * df-problems.c (df_chain_dump): Removed df parameter.
2251 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2252 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2254 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2255 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2256 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2257 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2258 DF_REF_MUST_CLOBBER cases.
2259 (df_ru_bb_local_compute_process_def,
2260 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2261 df_lr_bb_local_compute, df_ur_bb_local_compute,
2262 df_chain_create_bb): Made subreg aware.
2263 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2264 df_lr_bb_local_compute, df_lr_bb_local_compute,
2265 df_chain_create_bb): Cleanup to use proper macros.
2266 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2267 code to fixup bitvectors.
2268 (df_ri_alloc): Cleared lifetime.
2269 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2270 df_create_unused_note): New function.
2271 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2272 REG_DEAD and REG_UNUSED notes as well as register information.
2273 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2274 df_chains_dump): Fixed crash if problem was never run.
2275 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2276 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2277 df_ri_add_problem): Processes flags in uniform manner.
2278 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2279 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2280 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2281 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2282 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2283 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2284 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2285 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2286 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2287 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2288 * see.c (see_initialize_data): Ditto.
2289 * final.c (rest_of_clean_state) Added regstack_completed.
2290 * rtl.h (regstack_completed): Ditto.
2291 * reg-stack.c (regstack_completed): Ditto.
2293 2006-05-19 Mike Stump <mrs@apple.com>
2295 * c-tree.h (default_conversion): Remove.
2296 * c-common.h (default_conversion): Add.
2298 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2300 * tree-vrp.c (valid_value_p): New function.
2301 (adjust_range_with_scev): Fail if the value of bound is not
2304 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2306 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2307 (mips_fallback_frame_state): Use syscall numbers to determine
2308 the appropriate li instruction for the current ABI. Only use
2309 __NR_sigreturn for o32.
2311 2006-05-19 Nicolas Setton <setton@adacore.com>
2313 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2314 * langhooks.c (lhd_dwarf_name): New function.
2315 * langhooks-def.h (lhd_dwarf_name): Declare.
2316 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2317 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2318 * ada/misc.c (gnat_dwarf_name): New function.
2319 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2321 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2323 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2325 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2326 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2327 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2328 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2329 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2330 determine the size of Wtype, etc.
2331 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2332 (swfloatfuncs): New variable.
2333 (dwfloatfuncs): Likewise.
2334 (lib2funcs): Remove floating-point conversion functions from
2335 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2336 the set of conversion routines needed. Allow entries to specify
2337 an object name, filename and word size. Update users accordingly.
2338 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2339 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2343 2006-02-08 Roger Sayle <roger@eyesopen.com>
2346 * config/fixtfdi.c: New libgcc source file.
2347 * config/fixunstfdi.c: New source file.
2348 * config/floatditf.c: New source file.
2349 * config/floatunditf.c: New souce file.
2350 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2351 files above instead of config/mips/_tilib.c.
2352 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2354 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2356 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2357 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2359 2006-05-18 Mike Stump <mrs@apple.com>
2361 Fix up vla, vm and [*] sematics.
2367 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2368 (c_vla_unspec_p): Add.
2369 (c_vla_type_p): Add.
2370 * c-decl.c (struct c_scope): Add had_vla_unspec.
2371 (build_array_declarator): Add support for [*].
2372 (grokdeclarator): Likewise.
2373 (grokparms): Likewise.
2374 (get_parm_info): Likewise.
2375 * c-objc-common.c (c_vla_unspec_p): Likewise.
2376 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2377 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2378 typeof when argument is a variably modified type not inside sizeof or alignof.
2379 (c_parser_direct_declarator_inner): Propagate errors.
2380 (c_parser_sizeof_expression): Add support for [*].
2381 (c_parser_parms_declarator): Initialize had_vla_unspec.
2382 (c_parser_parms_list_declarator): Likewise.
2383 * c-typeck.c (c_vla_type_p): Add.
2384 (composite_type): Add support for vla compositing.
2385 (comptypes_internal): Add support for vla compatibility.
2386 (c_expr_sizeof_expr): Evaluate vla arguments.
2387 * tree.c (variably_modified_type_p): Update comment for [*].
2389 2006-05-18 Michael Matz <matz@suse.de>
2392 * config.host: Make assignments to host_xmake_file cumulative.
2393 * config.host (*-darwin*): Test $host, not $target.
2395 2006-05-12 Stuart Hastings <stuart@apple.com>
2397 * config/i386/i386.opt (-mstackrealign): New flag.
2398 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2399 (ix86_handle_cconv_attribute): Emit error when
2400 force_align_arg_pointer attribute collides with too many regparms.
2401 (ix86_function_regparm): Limit regparms when used with
2402 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2403 Support stack-realigning prologue in non-main functions. Emit
2404 warning for nested functions under -mstackrealign, emit error for
2405 nested functions with force_align_arg_pointer attribute.
2406 * doc/extend.texi (force_align_arg_pointer): Document it.
2407 * doc/invoke.texi (-mstackrealign): Document it.
2409 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2411 PR rtl-optimization/27477
2412 * combine.c (try_combine): Don't split a parallel consisting
2413 of two sets into two individual sets if both sets reference
2416 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2418 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2419 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2421 * doc/options.texi (VarExists): Updated.
2423 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2425 * unwind-dw2.c: Add declarations for uw_update_context and
2427 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2428 detected, advance frame state and context once to skip over stub.
2430 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2434 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2435 Call rewrite_into_loop_closed_ssa only when something changed.
2436 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2437 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2438 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2439 Test for perfect_nest_p here. Fix formating.
2440 (replace_uses_equiv_to_x_with_y): Fix formating.
2441 (stmt_uses_op): Removed.
2442 (can_convert_to_perfect_nest): Removed loopivs parameter.
2443 Complete the test by checking the scalar dependences.
2444 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2447 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2450 From Dan Kegel <dank@kegel.com>:
2451 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2453 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2455 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2456 if the element type is variably modified without recursing.
2458 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2461 * tree-loop-linear.c (try_interchange_loops): Test for
2462 no data dependences.
2464 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2466 PR tree-optimization/27548
2467 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2468 range of ssa names that appear on abnormal edges.
2469 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2470 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2472 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2475 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2477 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2480 * tree.h (OMP_PARALLEL_COMBINED): Define.
2481 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2482 (new_omp_context): Add is_combined_parallel argument.
2483 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2484 new_omp_context caller.
2485 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2486 Adjust gimplify_scan_omp_clauses callers.
2487 (omp_is_private): Issue errors if iteration variable is firstprivate
2488 or reduction in the current context.
2489 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2490 on combined parallel workshare constructs.
2492 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2494 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2495 (gcc-options.o): New rule.
2497 * optc-gen.awk: Protect variables for gcc-options.o with
2498 #ifdef GCC_DRIVER/#endif.
2500 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2502 Fix PR tree-optimization/27373
2503 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2504 (forward_propagate_addr_expr): Update call.
2506 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2508 * doc/options.texi: Move the Negative option.
2510 2006-05-16 Richard Guenther <rguenther@suse.de>
2512 PR tree-optimization/22303
2513 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2515 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2516 ccp_fold did not simplify the statement.
2518 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2521 * Makefile.in (GCC_OBJS): New.
2522 (OBJS-common): Add opts-common.o.
2523 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2524 (cpp$(exeext)): Likewise.
2525 (gcc.o): Also depend on opts.h.
2526 (opts-common.o): New.
2528 * common.opt (gcoff): Add Negative(gdwarf-2).
2529 (gdwarf-2): Add Negative(gstabs).
2530 (gstabs): Add Negative(gstabs+).
2531 (gstabs+): Add Negative(gvms).
2532 (gvms): Add Negative(gxcoff).
2533 (gxcoff): Add Negative(gxcoff+).
2534 (gxcoff+): Add Negative(gcoff).
2535 * config/i386/i386.opt (m32): Add Negative(m64).
2536 (m64): Add Negative(m32).
2538 * doc/options.texi: Document the Negative option.
2540 * gcc.c: Include "opts.h".
2541 (main): Call prune_options after expandargv.
2543 * optc-gen.awk: Generate common declarations for all flag
2544 variables in options.c. Output the neg_index field.
2546 * opts.c (find_opt): Moved to ...
2547 * opts-common.c: Here. New file.
2549 * opts.h (cl_option): Add a neg_index field.
2551 (prune_options): Likewise.
2553 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2556 * omp-low.c (expand_omp_parallel): Don't assert
2557 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2558 instead search for it.
2561 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2564 2006-05-16 Andreas Schwab <schwab@suse.de>
2566 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2569 2006-05-15 Roger Sayle <roger@eyesopen.com>
2572 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2573 integer constants other than zero are only legitimate on TARGET_64BIT.
2574 <CONST_VECTOR> Only zero vectors are legitimate.
2575 (ix86_cannot_force_const_mem): Integral and vector constants can
2576 always be put in the constant pool.
2578 2006-05-16 DJ Delorie <dj@redhat.com>
2580 * crtstuff.c (__dso_handle): Set section from
2581 TARGET_LBIGCC_SDATA_SECTION if defined.
2582 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2583 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2585 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2588 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2591 2006-05-16 Ben Elliston <bje@au.ibm.com>
2593 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2595 2006-05-15 Per Bothner <per@bothner.com>
2597 * tree.c: (last_annotated_node): Use source_locus typedef.
2598 This permits bootstrapping with --enable-mapped-location.
2600 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2602 PR tree-optimization/26830
2603 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2604 (info_for_ssa_name, current_info_for_ssa_name_age,
2605 blocks_to_update): New variables.
2606 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2607 (clear_ssa_name_info, initialize_flags_in_bb,
2608 mark_block_for_update): New functions.
2609 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2610 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2611 prepare_def_site_for): Use mark_block_for_update.
2612 (mark_def_interesting): Assert that the processed block is marked in
2613 blocks_to_update. Do not take blocks argument.
2614 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2616 (rewrite_update_init_block, rewrite_update_stmt): Only process
2617 blocks with statements to rewrite.
2618 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2619 (update_ssa): Initialize and free blocks_to_update. Do not
2620 clear flags on statements. Do not use blocks bitmap.
2621 * tree.h (SSA_NAME_AUX): Removed.
2622 (struct tree_ssa_name): Removed aux field.
2623 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2625 2006-05-15 Richard Guenther <rguenther@suse.de>
2627 PR tree-optimization/27603
2628 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2629 Do computations in original type.
2631 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2633 * see.c: Code style changes such as redundant paranthesis,
2634 redundant intialization of local variables etc.
2635 (see_main): Declared now as static.
2636 * doc/invoke.texi: Update that -fsee is not enabled by
2639 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2641 * omp-low.c (check_omp_nesting_restrictions): New function.
2642 (scan_omp_1): Call it.
2645 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2646 construct, return *VAR.
2648 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2650 PR rtl-optimization/27406
2651 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2654 2006-05-14 Roger Sayle <roger@eyesopen.com>
2656 PR rtl-optimization/27538
2657 * combine.c (expand_compound_operation): Call gen_lowpart
2658 before calling simplify_shift_const.
2660 2006-05-14 Roger Sayle <roger@eyesopen.com>
2662 PR rtl-optimization/22563
2663 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2664 a fixed width bitfield, always force the intermediates into psuedos.
2666 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2669 * mkconfig.sh: Use operator = instead of == for test.
2671 2006-05-13 Nick Clifton <nickc@redhat.com>
2673 * dwarf2out.c (dbx_reg_number): Check return value from
2674 LEAF_REG_REMAP and only use it if it is valid.
2675 (multiple_reg_loc_descriptor): Likewise.
2677 2006-05-13 Richard Guenther <rguenther@suse.de>
2679 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2682 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2684 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2685 information attached to non-INSNs such as NOTEs.
2686 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2688 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2690 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2692 * config/s390/s390.md: Adjust comment describing On constraint.
2694 2006-05-11 Jan Hubicka <jh@suse.cz>
2696 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2697 to be output at -O0.
2699 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2702 * fold-const.c (size_binop): Move sanity check for arguments to
2703 the beginning of the function.
2706 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2709 2006-05-11 Richard Guenther <rguenther@suse.de>
2712 * fold-const.c (fold_unary): Handle intermediate conversion
2713 to a pointer type like intermediate conversion to an integer
2714 type in folding of (T1)(T2)var to var.
2715 Match the code to the comment in the final conversion for
2716 (T1)(T2)var to (T1)var regarding to type precision. Rather
2717 than disallow T1 being of pointer type, assert that both T1
2718 and var are of pointer type or not. Make sure not to fall
2719 over the frontends lazyness wrt array to pointer decay though.
2721 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2723 * arm.c (arm_struct_value_rtx): Delete.
2724 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2725 (arm_init_cumulative_args): Always initialize nregs to zero.
2727 2006-05-10 Richard Guenther <rguenther@suse.de>
2729 PR tree-optimization/27532
2730 * tree-object-size.c (plus_expr_object_size): Fix typo.
2732 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2735 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2736 ashrdi_const, ashrdi3): Use a scratch register.
2738 2006-05-10 Richard Guenther <rguenther@suse.de>
2740 PR tree-optimization/27302
2741 * fold-const.c (operand_equal_p): For two comparisons,
2742 try comparison of one comparison code swapped if that yields
2745 2006-05-10 Ben Elliston <bje@au.ibm.com>
2747 * tree-pretty-print.c (pretty_print_string): No need to handle
2748 '\0' as a special character.
2750 * tree.h: Include "hashtab.h".
2751 (iterative_hash_expr): Use hashval_t in its prototype.
2752 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2754 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2757 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2758 (hppa*64*-*-hpux11*): Ditto.
2759 (hppa[12]*-*-hpux11*): Ditto.
2761 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2764 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2766 2006-05-09 Michael Matz <matz@suse.de>
2768 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2769 host_extra_gcc_objs and host_xmake_file.
2770 (<*-*-linux*>): Don't overwrite host_xmake_file.
2771 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2772 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2773 (host_detect_local_cpu): Declare.
2774 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2775 * config/i386/i386.c (override_options): Handle -mtune=native
2777 * config/i386/x-i386: New file.
2778 * config/i386/driver-i386.c: New file.
2779 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2782 2006-05-09 Dirk Mueller <dmueller@suse.de>
2783 Richard Guenther <rguenther@suse.de>
2786 * fold-const.c (fold_read_from_constant_string): Relax check
2787 for matching types to matching modes.
2789 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2791 PR rtl-optimization/27335
2792 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2795 2006-05-08 Chao-ying Fu <fu@mips.com>
2796 Richard Sandiford <richard@codesourcery.com>
2798 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2799 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2800 * config/mips/mips.md (UNSPEC_SCC): New constant.
2801 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2802 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2803 (mips_emit_compare): Use it.
2804 (mips_expand_vcondv2sf): New function.
2806 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2808 Fix PR tree-optimization/27093
2809 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2810 renaming when they become not-used_alone.
2812 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2814 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2815 relocation and relocation stubs.
2817 2006-05-08 Eric Christopher <echristo@apple.com>
2819 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2822 2006-05-08 Jan Hubicka <jh@suse.cz>
2825 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2826 unused static functions are needed.
2828 2006-05-08 Roger Sayle <roger@eyesopen.com>
2831 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2832 of a reg_equiv_constant if the result is a legitimate constant.
2834 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2837 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2838 standard 80387 constants, raise the cost to prevent
2839 compress_float_constant() to generate load from memory.
2841 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2843 * config/arm/constraints.md (c): Fix a typo.
2845 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2848 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2851 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2853 (_mm_mwait): Likewise.
2855 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2857 (sse3_monitor): Make it 32bit only.
2858 (sse3_monitor64): New. 64bit monitor.
2860 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2863 * config/i386/i386.c (classify_argument): Skip fields with invalid
2866 2006-05-07 Richard Guenther <rguenther@suse.de>
2868 PR tree-optimization/27409
2869 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2870 Do not try to find zero-sized subvars.
2872 2006-05-07 Richard Guenther <rguenther@suse.de>
2874 PR tree-optimization/27136
2875 * tree-ssa-loop-niter.c (get_val_for): Correct function
2876 comment, assert requirements.
2877 (loop_niter_by_eval): Stop processing if the iterated
2878 value did not simplify.
2880 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2882 * opts.c (flag_see): remove its setting at -O3.
2884 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2886 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2887 * arm/constraints.md: New file.
2888 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2889 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2890 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2891 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2892 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2893 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2894 * arm.md: Include constraints.md.
2895 (thumb_movsi_insn): Use satisfies_constraint_J.
2896 (movhi, movqi): Use satisfies_constraint_I.
2898 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2900 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2901 for atmeg a645 device.
2903 2006-05-06 Richard Guenther <rguenther@suse.de>
2905 PR tree-optimization/27151
2906 * tree-vect-transform.c (vectorizable_condition): Punt on
2907 values that have a different type than the condition.
2909 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2912 * c-parser.c (c_parser_cast_expression): Only insert casts into
2913 hash table if pointer.
2914 * function.c (used_types_insert_helper): Rename from
2916 (used_types_insert): Call used_types_insert_helper.
2917 * function.h (used_types_insert): Accept only one argument.
2919 2006-05-05 David Edelsohn <edesohn@gnu.org>
2921 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2922 scratch with output modifier.
2924 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2927 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2928 with output modifier.
2930 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2933 * config/mips/mips.c (mips_symbolic_address_p): Return true
2934 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2935 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2937 2006-05-04 Richard Guenther <rguenther@suse.de>
2939 PR tree-optimization/14287
2940 PR tree-optimization/14844
2941 PR tree-optimization/19792
2942 PR tree-optimization/21608
2943 PR tree-optimization/27090
2944 * tree-ssa-pre.c (try_combine_conversion): New function.
2945 (compute_avail): After constructing the value-handle
2946 expression, use try_combine_conversion to combine NOP_EXPRs
2947 with previous value-handle expressions and use the result if it
2950 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2952 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2954 2006-05-04 Jan Hubicka <jh@suse.cz>
2957 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2959 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2961 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2962 that this only matches CONST_INTs. All users changed to VOIDmode
2965 * config/bfin/bfin.c: Include "optabs.h".
2966 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2968 (enum bfin_builtins): Add a number of fractional and vector builtins.
2969 (bfin_init_builtins): Likewise.
2970 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2971 (safe_vector_operand, bfin_expand_binop_builtin,
2972 bfin_expand_unop_builtin): New functions.
2973 (bfin_expand_builtin): Handle the new builtins.
2974 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2977 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2980 * Makefile.in (OBJS-common): Add see.o.
2981 (see.o): Add dependencies.
2982 * common.opt (fsee): New flag for the see optimization was added.
2983 * opts.c (flag_see): Initialized.
2984 * passes.c (init_optimization_passes, pass_see): New pass.
2985 * rtl.h (see_main): Declaration as extern.
2986 * timevar.def (TV_SEE): New.
2987 * tree-pass.h (pass_see): Declaration as extern.
2988 * invoke.texi (-fsee): Document.
2989 * recog.c (validate_simplify_insn): New function.
2990 * recog.h (validate_simplify_insn): Declaration as extern.
2991 * df-problems.c (df_chain_dump): Check for NULL.
2993 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2994 Daniel Berlin <dberlin@dberlin.org>
2996 * cfgrtl.c (insert_insn_bb_end_new): New function.
2997 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2999 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3001 * df.h (struct web_entry): Moved from web.c.
3002 (union_defs): Declaration as extern.
3003 (unionfind_root): Likewise.
3004 (unionfind_union): Likewise.
3005 * web.c (struct web_entry): Moved to df.h.
3006 (unionfind_root): Remove static declaration.
3007 (unionfind_union): Likewise.
3008 (union_defs): Likewise and generalize to use callback function.
3009 (web_main): Update arguments for union_defs function call.
3011 2006-05-04 Richard Guenther <rguenther@suse.de>
3013 PR tree-optimization/26447
3014 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3015 produce SSA_NAME copies before the store stmt to avoid
3016 breaking exception handling.
3018 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3021 * gimplify.c (omp_is_private): If var is shared in some outer context,
3022 return false instead of true. Stop searching on parallel context
3025 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3028 * coverage.c: Use get_gcov_unsigned_t() instead of
3029 unsigned_type_node all over.
3031 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3033 PR tree-optimization/27381
3034 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3035 maintain the same immediate_use links.
3036 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3037 node rather than segfaulting.
3039 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3042 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3043 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3044 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3046 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3048 Fix PR tree-optimization/26626
3049 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3051 * tree-ssa-operands.c (access_can_touch_variable): Allow
3052 typecasting through union pointers.
3054 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3057 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3058 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3059 to find if var will be a global variable even in the nested context.
3060 (omp_copy_decl): Only check for global variable at the end, it might
3061 be overridden in outer contexts.
3062 (scan_sharing_clauses): For global variables don't create a field.
3063 (lower_rec_input_clauses): Do nothing for global shared variables.
3064 Emit a barrier at the end of ILIST if there were any decls in both
3065 firstprivate and lastprivate clauses.
3066 (lower_send_clauses): Do nothing for global variables except for
3069 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3071 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3072 of the correct signedness is returned.
3074 2006-05-02 Jeff Law <law@redhat.com>
3076 PR tree-optimization/27364
3077 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3078 multiply expressions.
3080 2006-05-02 Tom Tromey <tromey@redhat.com>
3082 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3084 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3087 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3088 -mthumb -fPIC are used.
3090 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3091 Joshua Kinard <kumba@gentoo.org>
3094 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3095 with 64-bit pointers.
3097 2006-05-02 Paul Brook <paul@codesourcery.com>
3099 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3101 (create_fix_barrier): Check that a suitable barrier location is
3103 (arm_reorg): Include ftmp->address in allowable range of addresses.
3105 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3108 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3111 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3114 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3115 around RESULT_DECL for result passed by reference.
3116 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3117 * omp-low.c (use_pointer_for_field): Don't look at
3118 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3119 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3120 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3121 time or var for passing by reference for
3122 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3123 TREE_ADDRESSABLE variables when passing by reference.
3125 * omp-low.c (dump_omp_region): Fix output formatting.
3128 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3129 (expand_omp_parallel): Likewise.
3130 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3133 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3134 on statement list containing also constructors and destructors.
3135 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3138 * except.c (duplicate_eh_regions): Fix clearing of
3139 cfun->eh->region_array entries.
3141 2006-05-01 DJ Delorie <dj@redhat.com>
3143 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3145 (gcc_cv_objdump): Likewise.
3146 * configure: Regenerated.
3148 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3151 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3152 templates for case 3 and 4.
3154 2006-05-01 DJ Delorie <dj@redhat.com>
3156 * vec.c: Include bconfig.h when appropriate.
3157 * Makefile.in (build/vec.o): Adjust dependencies.
3158 * mkconfig.sh: Make sure config.h isn't used for build machine
3161 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3163 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3165 (mark_phi_for_rewrite): New function.
3166 (insert_phi_nodes_for, mark_use_interesting): Call
3167 mark_phi_for_rewrite.
3168 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3169 (update_ssa): Initialize and free phis_to_rewrite.
3171 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3173 PR rtl-optimization/27291
3174 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3175 folded to a constant.
3177 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3179 PR tree-optimization/27283
3180 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3181 not whole # of iteration descriptions.
3182 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3183 uses abnormal ssa name.
3184 (niter_for_single_dom_exit): Ditto.
3185 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3186 return just the number of iterations.
3188 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3190 PR tree-optimization/27144
3191 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3192 (record_estimate): Only record constant upper bound.
3193 (infer_loop_bounds_from_undefined): Call
3194 compute_estimated_nb_iterations just once.
3195 (proved_non_wrapping_p): Renamed to ...
3196 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3197 (convert_step_widening, scev_probably_wraps_p): Call
3198 n_of_executions_at_most instead of proved_non_wrapping_p.
3199 (substitute_in_loop_info): Do not replace values in bounds.
3200 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3203 2006-05-01 Richard Henderson <rth@redhat.com>
3206 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3207 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3210 2006-05-01 Roger Sayle <roger@eyesopen.com>
3212 * c-typeck.c (parser_build_binary_op): Don't call the function
3213 unsigned_conversion_warning to spot operand/result type overflow.
3214 (build_binary_op): Instead, call convert_and_check instead of
3215 convert to report the problem when the operands are promoted.
3216 * c-common.c (unsigned_conversion_warning): Make static.
3217 * c-common.h (unsigned_conversion_warning): Delete prototype.
3219 2006-05-01 Richard Guenther <rguenther@suse.de>
3221 PR tree-optimization/26726
3222 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3224 (find_interesting_uses_address): ... we work around here
3225 by folding INDIRECT_REFs in the substituted base.
3227 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3229 * omp-low.c (dump_omp_region): Add newlines.
3231 2006-04-30 Roger Sayle <roger@eyesopen.com>
3233 * common.opt (Woverflow): New command line option.
3234 * c-common.c (constant_expression_warning): Check warn_overflow.
3235 (overflow_waring): Pass OPT_Woverflow to warning.
3236 (unsigned_conversion_warning): Likewise.
3237 (convert_and_check): Likewise.
3238 * doc/invoke.texi: Document new command line option.
3240 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3242 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3243 TARGET_NO_FP_IN_TOC for section anchors.
3244 (optimization_options): Enable section anchors for all
3245 non-"Objective" languages.
3247 2006-04-28 Eric Christopher <echristo@apple.com>
3249 * config/darwin-c.c (darwin_ms_struct): Move this
3250 (darwin_set_default_type_attributes): and this...
3251 * config/darwin.c: ... here.
3252 * config/darwin.h (darwin_ms_struct): Declare.
3254 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3256 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3258 2006-04-28 Roger Sayle <roger@eyesopen.com>
3261 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3262 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3263 an unsigned HOST_WIDE_INT.
3264 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3266 (really_start_incremental_init): No need to call convert because
3267 bitsize_zero_node is already of type bitsizetype.
3268 (push_init_level): Extract the value of constructor_index as an
3269 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3270 (process_init_element): Likewise.
3272 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3274 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3275 value before passing to make_relative_prefix.
3277 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3280 * builtins.c (expand_builtin_memset): Expand val in original mode.
3282 2006-04-27 Eric Christopher <echristo@apple.com>
3284 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3285 with #ifndef/#endif.
3286 * config/darwin-c.c (darwin_ms_struct): New.
3287 (darwin_pragma_ms_struct): Ditto.
3288 (darwin_set_default_type_attributes): Ditto.
3289 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3290 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3291 Register ms_struct pragma.
3292 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3293 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3294 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3295 darwin_set_default_type_attributes if TARGET_MACHO.
3297 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3299 PR tree-optimization/26854
3300 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3301 * doc/tree-ssa.texi: Update immuse iterator documentation.
3302 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3303 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3304 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3305 first_safe_imm_use, next_safe_imm_use): Remove.
3306 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3307 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3308 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3309 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3310 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3311 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3312 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3313 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3314 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3315 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3316 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3317 (perfect_nestify): Use new iterator.
3318 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3320 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3321 (next_imm_name): New field in struct immediate_use_iterator_d.
3322 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3323 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3324 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3325 * tree-cfg.c (replace_uses_by): Use new iterator.
3326 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3327 * tree-ssa-operands.c (correct_use_link): Remove.
3328 (finalize_ssa_use_ops): No longer call correct_use_link.
3330 2006-04-27 Stuart Hastings <stuart@apple.com>
3332 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3333 * config/t-darwin (crt3.o): Use it.
3334 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3335 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3336 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3337 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3338 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3341 2006-04-27 Roger Sayle <roger@eyesopen.com>
3343 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3344 size, force the intermediate into a new pseudo rather instead of
3345 performing both a bitwise AND and a bitwise IOR in memory.
3347 2006-04-27 Richard Guenther <rguenther@suse.de>
3349 PR rtl-optimization/26685
3350 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3351 this one "max-flow-memory-locations".
3353 2006-04-27 Richard Guenther <rguenther@suse.de>
3355 PR tree-optimization/25148
3356 * tree-vrp.c (compare_values): Remove code dealing with
3357 comparisons against type min/max value. Honour overflow
3358 and negative constants in code dealing with comparisons
3359 of plus and minus expressions.
3360 (value_inside_range): Use fold_binary with LE_EXPR and
3361 GE_EXPR rather than compare_values.
3363 2006-04-27 Dirk Mueller <dmueller@suse.de>
3365 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3368 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3370 * basic-block.h (safe_insert_insn_on_edge): Removed.
3371 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3373 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3374 Paolo Bonzini <bonzini@gnu.org>
3377 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3378 (simplify_and_const_int): Same.
3380 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3382 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3384 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3387 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3388 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3389 cgraph_global_info_ready.
3392 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3395 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3396 either decl or init is error_mark_node.
3399 * tree-flow.h (struct omp_region): Add sched_kind.
3400 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3401 instead of extracting omp for data.
3402 (expand_omp_for): Save extracted sched_kind.
3404 2006-04-25 Roger Sayle <roger@eyesopen.com>
3406 * expmed.c (store_bit_field): Also check whether the bitsize is
3407 valid for the machine's "insv" instruction before moving the
3408 target into a pseudo for use with the insv.
3409 * config/i386/predicates.md (const8_operand): New predicate.
3410 * config/i386/i386.md (extv, extzv, insv): Use the new
3411 const8_operand predicate where appropriate.
3413 2006-04-25 DJ Delorie <dj@redhat.com>
3415 * doc/install.texi (Specific): Clarify that this is not a list of
3416 supported hosts or targets.
3418 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3420 PR rtl-optimization/26725
3421 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3422 block's BB_DIRTY flag.
3424 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3426 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3429 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3430 to print an integer.
3432 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3434 * varasm.c (align_variable): New function.
3435 (get_block_for_decl): Apply align_variable to DECL before
3436 calculating section information.
3437 (assemble_variable): Split out alignment computation.
3439 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3441 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3444 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3446 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3447 MODE_PARTIAL_INT mode.
3448 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3449 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3451 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3452 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3454 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3456 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3458 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3459 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3460 MACFLAG_IH): Likewise.
3461 (movstricthi_1): Renamed from "*movstricthi".
3462 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3463 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3464 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3465 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3466 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3467 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3468 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3469 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3470 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3471 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3472 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3473 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3474 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3475 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3476 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3478 * doc/rtl.texi (ss_ashift): Improve wording.
3480 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3482 * dwarf2out.c (verify_marks_clear): New.
3483 (prune_unused_types): Call verify_marks_clear initially, not
3486 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3488 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3489 * doc/rtl.texi: Document them.
3490 * simplify-rtx.c (simplify_unary_operation,
3491 simplify_binary_operation_1): Don't abort when we see them.
3493 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3496 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3497 * configure.ac: Completely disregard languages that are not
3499 * configure: Regenerated.
3501 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3502 Richard Guenther <rguenther@suse.de>
3504 PR tree-optimization/27236
3505 * tree-inline.c (copy_body_r): Make sure to copy
3506 TREE_THIS_VOLATILE flag.
3508 2006-04-24 Richard Guenther <rguenther@suse.de>
3511 * tree-complex.c (update_parameter_components): Don't handle
3512 unused parameters which have no default def.
3514 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3515 Richard Guenther <rguenther@suse.de>
3517 PR tree-optimization/27218
3518 * tree-inline.c (expand_call_inline): Strip useless type
3519 conversions for the return slot address.
3521 2006-04-24 Richard Guenther <rguenther@suse.de>
3523 * cfgloop.h (struct loops): Remove unused field array. Reorder
3525 (LOOP_PREFETCH): Remove.
3527 2006-04-24 Richard Guenther <rguenther@suse.de>
3529 PR tree-optimization/22525
3530 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3531 variable, adjust types of generated expressions.
3533 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3535 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3536 (tree-vect-patterns.o): Likewise.
3538 (cselib.o): Likewise.
3539 (loop-doloop.o): Likewise.
3540 (regclass.o): Likewise.
3541 (reload1.o): Likewise.
3542 (explow.o): Replace target.h with $(TARGET_H).
3543 (ipa-prop.o): Likewise.
3544 (ipa-cp.o): Likewise.
3545 (ipa-inline.o): Likewise.
3546 (reorg.o): Likewise.
3547 (reg-stack.o): Likewise.
3549 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3551 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3553 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3555 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3557 * configure.ac: Completely disregard languages that are not
3559 * configure: Regenerated.
3562 * c-common.h (c_build_bitfield_integer_type): Declare.
3563 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3564 * c-common.c (c_build_bitfield_integer_type): ... here.
3566 2006-04-23 Roger Sayle <roger@eyesopen.com>
3569 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3570 a SImode SUBREG of a floating point register after no_new_pseudos.
3572 2006-04-23 Roger Sayle <roger@eyesopen.com>
3574 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3575 identify potentially eliminable registers to additionally catch
3576 VIRTUAL_INCOMING_ARGS_REGNUM.
3577 (addsi3): Update the conditions on when to use addsi_small_int.
3579 2006-04-23 Roger Sayle <roger@eyesopen.com>
3582 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3583 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3584 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3586 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3588 * fold-const.c (range_predecessor): Use operand_equal_p
3589 as the predicate for equality.
3590 (range_successor): Likewise.
3592 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3595 * config/soft-fp/op-common.h: Fix a typo.
3597 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3600 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3601 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3603 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3605 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3607 * doc/tm.texi: Fix a typo.
3609 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3611 * dwarf2out.c (struct die_struct): Document that die_sib makes
3612 a circular linked list.
3613 (FOR_EACH_CHILD): New.
3614 (reverse_die_lists): Delete.
3615 (reverse_all_dies): Delete.
3616 (add_dwarf_attr): Correct documentation.
3617 (remove_child_with_prev): New.
3618 (remove_child_TAG): Update for change to die_struct, use
3619 remove_child_with_prev.
3620 (add_child_die): Update for change to die_struct.
3621 (splice_child_die): Use remove_child_with_prev and add_child_die.
3622 (print_die): Use FOR_EACH_CHILD.
3623 (die_checksum): Likewise.
3624 (assign_symbol_names): Likewise.
3625 (output_location_lists): Likewise.
3626 (build_abbrev_table): Likewise.
3627 (calc_die_sizes): Likewise.
3628 (mark_dies): Likewise.
3629 (unmark_dies): Likewise.
3630 (unmark_all_dies): Likewise.
3631 (output_die): Likewise.
3632 (prune_unused_types_mark): Likewise.
3633 (prune_unused_types_walk): Likewise.
3634 (same_die_p): Update for change to die_struct.
3635 (break_out_includes): Likewise.
3636 (prune_unused_types_prune): Likewise.
3637 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3638 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3640 (dwarf2out_finish): Don't call reverse_all_dies.
3642 2006-04-21 Eric Christopher <echristo@apple.com>
3644 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3645 in comments and function names.
3647 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3650 * c-typeck.c (digest_init): Robustify.
3652 * c-typeck.c (pop_init_level): Simplify.
3654 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3656 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3658 2006-04-21 Paul Brook <paul@codesourcery.com>
3660 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3661 hardware floating point.
3663 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3665 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3668 2006-04-21 Nick Clifton <nickc@redhat.com>
3670 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3673 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3676 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3677 C++ lang type in traceback table for Objective-C++.
3679 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3681 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3683 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3685 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3688 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3689 were errors. Remove check for erroneous objects.
3691 2006-04-20 Jeff Law <law@redhat.com>
3693 PR tree-optimization/26854
3694 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3695 checking for zero or one use.
3696 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3697 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3698 * tree-ssa-reassoc.c (negate_value): Similarly.
3699 (reassociate_bb): Similarly.
3701 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3703 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3704 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3705 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3707 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3709 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3710 fp regs if the last fp arg doesn't fit in regs.
3712 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3715 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3716 that the last insn has the REG_INC note.
3718 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3719 Nathan Sidwell <nathan@codesourcery.com>
3722 * stor-layout.c (update_alignment_for_field): Do not align
3724 (place_union_field): Place union field at the start of the union.
3725 (place_field): Move ERROR_MARK check later, and use the current
3726 allocation position to maintain monotonicity.
3728 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3730 * dominance.c: Include timevar.h.
3731 (calculate_dominance_info): Use TV_DOMINANCE.
3732 * timevar.def (TV_DOMINANCE): New timevar.
3733 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3735 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3737 PR rtl-optimization/14261
3738 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3739 move would be an INSV insn.
3740 (noce_process_if_block): Don't optimize if the destination is a
3741 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3743 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3745 * config/s390/s390.md: Add comments with the instructions emitted
3746 by an insn pattern if macros are used.
3748 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3750 PR rtl-optimization/26026
3751 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3752 is a known power of two shifted left a variable amount.
3754 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3756 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3757 to hash table twice when the debug_str section has SECTION_MERGE.
3759 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3761 * config/soft-fp: New directory. From glibc.
3762 * config/soft-fp/t-softfp: New.
3763 * config/soft-fp/README: New.
3764 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3765 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3766 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3767 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3768 * config.gcc: Use rs6000/t-fprules-fpbit or
3769 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3771 * config/rs6000/sfp-machine.h: New. Based on glibc.
3772 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3774 * config/rs6000/t-fprules: Remove fp-bit rules.
3775 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3776 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3777 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3778 (softfp_wrap_start, softfp_wrap_end): New.
3780 2006-04-18 DJ Delorie <dj@redhat.com>
3782 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3784 2006-04-18 Devang Patel <dpatel@apple.com>
3786 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3788 2006-04-18 Nick Clifton <nickc@redhat.com>
3790 * config/sh/t-symbian: Add rule to build sh-c.o
3791 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3792 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3793 (sh_symbian_encode_section_info): Likewise.
3795 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3797 * builtins.c (expand_builtin_strcmp): Cover label definition of
3798 do_libcall with HAVE_cmpstrnsi.
3800 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3802 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3804 * function.h (temp_slot_p): New.
3805 (function): Change the type of x_used_temp_slots to
3806 VEC(temp_slot_p,gc) *.
3808 2006-04-18 Nick Clifton <nickc@redhat.com>
3810 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3811 flag_strength_reduce.
3813 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3815 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3819 Partial revert of revision 112637
3820 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3821 Dale Johannesen <dalej@apple.com>
3824 * regclass.c (struct reg_pref): Update documentation.
3825 (regclass): Set prefclass to NO_REGS if memory is the best option.
3826 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3828 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3830 PR tree-optimization/26821
3831 * tree-ssa-math-opts.c (get_constant_one): New.
3832 (insert_reciprocals): Use it.
3834 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3836 * dwarf2out.c (free_AT): Delete.
3837 (remove_AT): Update string ref counts.
3838 (remove_child_TAG): Don't call free_die.
3840 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3841 or DW_TAG_GNU_EINCL.
3842 (prune_unused_types_walk_attribs): Reset string refcounts.
3843 (prune_unused_types_update_strings): New.
3844 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3845 call free_die. Do call prune_unused_types_update_strings.
3846 (prune_unused_types): Empty debug_str_hash.
3848 2006-04-17 Roger Sayle <roger@eyesopen.com>
3850 * expr.c (expand_assignment): Optimize away no-op moves where the
3851 source and destination are equal and have no side-effects.
3853 2006-04-17 Richard Guenther <rguenther@suse.de>
3856 * reload.c (push_reload): Guard calls to get_secondary_mem
3859 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3861 * alias.c (reg_base_value, old_reg_base_value): Change the
3862 type to VEC(rtx,gc) *.
3863 (REG_BASE_VALUE, find_base_value, record_set,
3864 init_alias_analysis): Use VEC instead of VARRAY.
3866 * alias.c (alias_sets): Change the type to
3867 VEC(alias_set_entry,gc) *.
3868 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3869 VEC instead of VARRAY.
3870 (last_alias_set): Remove.
3872 * cgraph.h (cgraph_edge_p): New.
3873 Update the prototype of cgraph_function_versioning.
3874 * cgraphunit.c (cgraph_copy_node_for_versioning,
3875 cgraph_function_versioning): Use VEC instead of VARRAY.
3876 * ipa-cp.c (ipcp_insert_stage): Likewise.
3878 2006-04-16 Roger Sayle <roger@eyesopen.com>
3881 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3882 "A op B" or "A op C", we may need to convert A to the type of B and C.
3884 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3886 * target.h (struct gcc_target): Add mode_rep_extended.
3887 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3888 (init_num_sign_bit_copies_in_rep): Initialize it using
3890 (truncate_to_mode): Use it.
3891 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3892 * targhooks.h (default_mode_rep_extended): Declare it.
3893 * targhooks.c (default_mode_rep_extended): Define it.
3894 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3895 default_mode_rep_extended.
3896 (TARGET_INITIALIZER): Include it.
3897 * doc/tm.texi (Misc): Document it.
3898 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3899 (mips_truncated_to_mode): New function.
3901 2006-04-16 Roger Sayle <roger@eyesopen.com>
3904 * expr.c (compress_float_constant): Copy the narrow constant into
3905 a new pseudo before extending it to its final width.
3907 2006-04-16 Roger Sayle <roger@eyesopen.com>
3908 Andrew Pinski <pinskia@gcc.gnu.org>
3909 Dale Johannesen <dalej@apple.com>
3912 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3913 special case code to implement V8HImode and V16QImode with SSE2.
3915 2006-04-15 Roger Sayle <roger@eyesopen.com>
3917 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3918 trees are constructed with a suitable tree type.
3920 2006-04-15 Roger Sayle <roger@eyesopen.com>
3922 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3923 (integer_onep): Likewise.
3924 (integer_all_onesp): Likewise.
3925 (integer_pow2p): Likewise.
3926 (integer_nonzerop): Likewise.
3927 (real_zerop): Likewise.
3928 (real_onep): Likewise.
3929 (real_twop): Likewise.
3930 (real_minus_onep): Likewise.
3931 (int_size_in_bytes): Likewise.
3932 (host_integerp): Likewise.
3934 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3936 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3937 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3938 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3940 * tree-ssa-structalias.h (alias_info): Remove num_references.
3942 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3944 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3945 (output_bvb patterns): Likewise.
3946 * pa.c (output_bb): Use 'bb' insn for long branch case.
3947 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3948 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3949 1. Correct length operand for alternatives 1 and 2.
3950 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3951 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3953 2006-04-14 Roger Sayle <roger@eyesopen.com>
3955 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3956 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3957 were accidentally reverted by r112959.
3959 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3962 * except.h (eh_region_outermost): New prototype.
3963 * except.c (eh_region_outermost): New function.
3964 * tree-cfg.c (find_outermost_region_in_block): Use it.
3966 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3968 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3970 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3971 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3972 (init_reload, reload): Use VEC instead of VARRAY.
3973 * reload.h: Update the prototype for
3974 reg_equiv_memory_loc_varray.
3976 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3977 Eric Botcazou <ebotcazou@libertysurf.fr>
3979 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3982 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3985 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3986 to expand fallback builtin function call.
3988 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3991 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3992 and emit libcall here in case the builtin fails.
3993 (expand_builtin_strcmp): Always emit the libcall here on failure.
3995 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3997 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3998 * flow.c (reg_n_info): Change the type to
3999 VEC(reg_info_p,heap) *.
4000 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4002 * regs.h (reg_info_p): New.
4003 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4004 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4005 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4008 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4010 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4012 * params.h (MAX_SCHED_READY_INSNS): New macro.
4013 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4014 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4015 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4016 the ready list for 1 cycle during the first scheduling pass.
4017 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4019 2006-04-13 Richard Henderson <rth@redhat.com>
4022 * gimple-low.c (lower_omp_directive): Remove dead code.
4023 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4024 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4025 * omp-low.c (struct omp_region): Move to tree-flow.h.
4026 (root_omp_region): Export.
4027 (omp_regions, lookup_omp_region): Remove.
4028 (determine_parallel_type): Update for struct omp_region changes.
4029 (dump_omp_region): Dump regions with block numbers.
4030 (new_omp_region): Take type and block instead of stmt; malloc
4032 (free_omp_region_1, free_omp_regions): New.
4033 (expand_parallel_call): Take entry_stmt as argument; update for
4034 changes to omp_region.
4035 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4036 (remove_exit_barriers): New.
4037 (expand_omp_parallel): Update for struct omp_region changes.
4038 (expand_omp_synch): Likewise.
4039 (expand_omp): Likewise.
4040 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4041 (expand_omp_for_static_chunk): Likewise.
4042 (expand_omp_for): Likewise.
4043 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4044 (expand_omp_sections): Similarly, with GOMP_sections_end.
4045 (expand_omp_single): New.
4046 (build_omp_regions_1): Update for OMP_CONTINUE.
4047 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4048 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4049 OMP_SECTIONS_SECTIONS.
4050 (lower_omp_single_simple): Don't emit barrier here.
4051 (lower_omp_single_copy): Likewise.
4052 (lower_omp_single): Fix bindings, and lower to straightline now.
4053 (lower_omp_master, lower_omp_ordered): Likewise.
4054 (lower_omp_critical): Likewise.
4055 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4056 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4057 omp edges, free it afterward.
4058 (make_omp_sections_edges): Remove.
4059 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4060 (move_stmt_r): Handle OMP_CONTINUE.
4061 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4062 statement pointers to basic blocks. Add type member.
4063 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4064 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4065 * tree-inline.c (estimate_num_insns_1): Likewise.
4066 * tree-pretty-print.c (dump_generic_node): Likewise.
4067 * tree-ssa-operands.c (get_expr_operands): Likewise.
4068 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4069 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4070 (OMP_CONTINUE): New.
4071 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4072 (OMP_SECTIONS_SECTIONS): Remove.
4073 (OMP_SECTION_LAST): New.
4074 (OMP_RETURN_NOWAIT): New.
4076 2006-04-13 Roger Sayle <roger@eyesopen.com>
4078 * fold-const.c (native_encode_vector, native_interpret_real):
4079 Correct obvious mistakes in the previous check-in.
4081 2006-04-13 Roger Sayle <roger@eyesopen.com>
4083 * fold-const.c (native_encode_expr): New function to encode
4084 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4085 or VECTOR_CST into a specified buffer.
4086 (native_encode_int): New function.
4087 (native_encode_real): New function.
4088 (native_encode_complex): New function.
4089 (native_encode_vector): New function.
4090 (native_interpret_expr): Inverse of native_encode_expr to convert
4091 a target representation into an INTEGER_CST, REAL_CST etc...
4092 (native_interpret_int): New function.
4093 (native_interpret_real): New function.
4094 (native_interpret_complex): New function.
4095 (native_interpret_vector): New function.
4096 (fold_view_convert_expr): New function to constant fold/evaluate
4097 a VIEW_CONVERT_EXPR of a suitable constant expression.
4098 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4099 Change call of build1 to fold_build1 when constructing a
4102 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4103 Ulrich Weigand <uweigand@de.ibm.com>
4106 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4109 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4112 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4113 optimize to lo_sum for DFmode if !TARGET_FPRS.
4115 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4117 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4118 delete_alias_info, compute_flow_sensitive_aliasing,
4119 group_aliases): Use VEC instead of VARRAY.
4120 * tree-ssa-structalias.c (update_alias_info): Likewise.
4121 * tree-ssa-structalias.h (alias_info): Change the type of
4122 processed_ptrs to VEC(tree,heap) *.
4124 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4127 * config/sh/lib1funcs.h: New file, broken out of:
4128 * config/sh/lib1funcs.asm.
4129 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4131 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4132 * config/sh/lib1funcs-Os-4-200.asm: New file.
4133 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4134 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4135 (EXTRA_MULTILIB_PARTS): Include it.
4136 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4137 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4138 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4139 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4142 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4144 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4145 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4146 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4148 * tree-ssa-live.h: Include vecprim.h.
4149 (tree_partition_associator_d): Change the type of
4150 first_partition to VEC(int,heap) *.
4151 (tpa_first_partition): Use VEC instead of VARRAY.
4153 * Makefile.in (GTFILES): Move functions.h after tree.h.
4154 * function.c (reset_block_changes, record_block_change,
4155 check_block_change, free_block_changes): Use VEC instead of
4157 * function.h (function): Change the type of
4158 ib_boundaries_block to VEC(tree,gc) *.
4159 * tree-inline.c (copy_cfg_body): Initialize
4160 ib_boundaries_block to NULL instead of (varray_type) 0.
4162 2006-04-12 Roger Sayle <roger@eyesopen.com>
4164 * expr.c (emit_group_store): Correct operand order in call to
4165 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4166 a SUBREG_BYTE of zero.
4168 2006-04-12 Richard Guenther <rguenther@suse.de>
4170 * profile.c (compute_branch_probabilities): Remove code
4171 encapsulated in !ir_type (), which are remanents of the
4172 removed RTL profiling code.
4173 * rtl-profile.c: Remove.
4175 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4177 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4178 magic NULL_RTX comment.
4179 (function_arg): Store entire fp arg to mem if any part should go
4181 (rs6000_arg_partial_bytes): Adjust for above change.
4183 2006-04-11 Roger Sayle <roger@eyesopen.com>
4185 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4186 if it hasn't been initialized by dwarf2out_init.
4188 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4190 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4191 symbolic constants in branch patterns.
4193 2006-04-11 Roger Sayle <roger@eyesopen.com>
4195 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4197 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4199 PR rtl-optimization/27073
4200 * gcse.c (try_replace_reg): Revert last change. Continue to search
4201 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4204 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4206 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4207 aggregate types other than record and union types.
4208 (function_arg): Likewise.
4209 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4211 (function_value): In 64-bit mode, return objects that require it
4214 2006-04-11 Roger Sayle <roger@eyesopen.com>
4216 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4218 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4220 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4222 2006-04-03 Jeff Law <law@redhat.com>
4225 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4226 alias information too.
4228 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4230 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4232 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4235 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4236 (premark_used_types_helper): New.
4237 (premark_used_types): New.
4238 (gen_subprogram_die): Call premark_used_types.
4239 (prune_unused_types_walk): Do not prune perennial dies.
4240 * function.c (used_types_insert): New.
4241 * function.h (struct function): Add used_types_hash field.
4242 (used_types_insert): Add prototype.
4243 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4244 * c-parser.c (c_parser_cast_expression): Save casted types in used
4247 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4250 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4251 rs6000_explicit_options.float_gprs.
4253 2006-04-10 Roger Sayle <roger@eyesopen.com>
4255 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4256 from ix86_expand_vector_init_low_nonzero. Take an additional
4257 one_var argument indicating which element is non-zero. Support
4258 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4259 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4260 with one_var instead of ix86_expand_vector_init_low_nonzero.
4262 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4264 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4265 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4266 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4267 build/genextract.o): Depend on vecprim.h.
4268 * cfglayout.c, df-problems.c, function.c, genextract.c,
4269 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4270 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4274 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4276 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4277 Declare VECs of this type.
4278 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4279 (remove_children): Delete.
4280 (add_dwarf_attr): Use VEC routines.
4281 (add_AT_flag): Update for changes to add_dwarf_attr.
4282 (add_AT_int): Likewise.
4283 (add_AT_unsigned): Likewise.
4284 (add_AT_long_long): Likewise.
4285 (add_AT_vec): Likewise.
4286 (add_AT_string): Likewise.
4287 (add_AT_die_ref): Likewise.
4288 (add_AT_fde_ref): Likewise.
4289 (add_AT_loc): Likewise.
4290 (add_AT_loc_list): Likewise.
4291 (add_AT_addr): Likewise.
4292 (add_AT_lbl_id): Likewise.
4293 (add_AT_lineptr): Likewise.
4294 (add_AT_macptr): Likewise.
4295 (add_AT_offset): Likewise.
4296 (add_AT_range_list): Likewise.
4297 (get_AT): Use VEC_iterate.
4298 (remove_AT): Use VEC_ordered_remove.
4299 (free_die): Fold remove_children into here; have it use VEC_iterate.
4300 (print_die): Use VEC_iterate on attrs.
4301 (reverse_die_lists): Don't reverse attr lists.
4302 (die_checksum): Use VEC_iterate on attrs.
4303 (same_die_p): Likewise.
4304 (output_location_lists): Likewise.
4305 (build_abbrev_table): Likewise.
4306 (size_of_die): Likewise.
4307 (unmark_all_dies): Likewise.
4308 (output_abbrev_section): Likewise.
4309 (output_die): Likewise.
4310 (prune_unused_types_walk_attribs): Likewise.
4312 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4314 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4316 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4319 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4321 2006-04-09 Roger Sayle <roger@eyesopen.com>
4323 * expr.c (store_constructor): Don't bother clearing target if
4324 we're about to assign a vector to it using vec_init_optab.
4326 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4328 * tree-ssa-alias.c (lhs_may_store_to): New function.
4329 (recalculate_used_alone): Handle LHS of calls.
4331 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4335 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4336 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4337 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4338 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4339 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4340 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4341 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4342 stubs. Add ".align 8" directives before all ".dword" directives.
4343 (GTHREAD_USE_WEAK): Revise comment.
4344 (TARGET_ATTRIBUTE_WEAK): Define.
4345 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4346 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4347 * stublib.c: New file.
4352 * pa.md (cbranch patterns): Revise arguments used in calls to
4353 output_cbranch, output_bb and output_bvd. Add long branch length
4355 (fbranch patterns): Handle long branches.
4356 (jump): Revise length check. Revise arguments for output_lbranch call.
4357 Add long branch length attributes.
4358 (decrement_and_branch_until_zero): Add long branch length attributes.
4359 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4360 Likewise. Revise arguments for output_parallel_addb and
4361 output_parallel_movb calls.
4362 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4363 output_parallel_movb and output_parallel_addb): Update prototypes.
4364 * pa.c (output_cbranch): Revise arguments. Correct handling of
4365 nullification in long branches.
4366 (output_lbranch): Add new argument to control extraction of delay
4368 (output_bb): Handle long branches.
4369 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4370 output_parallel_addb): Likewise.
4372 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4374 PR rtl-optimization/27073
4375 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4378 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4380 * tree.h (tree_memory_tag): Add old_used_alone.
4381 (SMT_OLD_USED_ALONE): New macro.
4382 * tree-ssa-alias.c (recalculate_used_alone): Stop
4383 marking things for renaming unnecessarily.
4385 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4387 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4388 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4389 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4390 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4391 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4392 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4393 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4394 spelling convensions.
4395 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4396 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4397 typos. Follow spelling conventions.
4399 2006-04-07 DJ Delorie <dj@redhat.com>
4401 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4402 passed on the stack.
4403 (m32c_init_cumulative_args): When a function returns a structure,
4404 always pass the pointer to that return area on the stack.
4405 (m32c_function_arg_advance): Don't increment the parameter number
4406 if we're processing the returned structure pointer.
4407 (pushm_info): Reverse order of registers.
4409 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4411 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4412 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4413 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4414 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4416 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4417 chrec_fold_multiply): Same.
4418 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4419 force_expr_to_var_cost): Same.
4420 * tree-mudflap.c (mf_xform_derefs_1): Same.
4421 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4423 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4425 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4426 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4429 2006-04-07 Jan Hubicka <jh@suse.cz>
4431 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4433 2006-04-07 Richard Guenther <rguenther@suse.de>
4435 PR tree-optimization/26135
4436 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4437 loads for store copy-prop.
4438 (copy_prop_visit_stmt): Likewise.
4440 2006-04-05 Robert Millan <robertmh@gnu.org>
4442 * config/i386/linux.h: Add a comment to mark macros that are
4443 being overriden in config/k*bsd-gnu.h.
4444 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4446 * config/knetbsd-gnu.h: Ditto.
4448 2006-04-06 Jan Hubicka <jh@suse.cz>
4452 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4455 2006-04-06 Mike Stump <mrs@apple.com>
4457 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4458 for HAVE_nonlocal_goto to be consistent.
4459 (expand_builtin_nonlocal_goto): Likewise.
4460 (expand_builtin_strcmp): Use #ifdef instead of #if
4461 for HAVE_cmpstrnsi to be consistent.
4463 2006-04-05 DJ Delorie <dj@redhat.com>
4465 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4468 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4470 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4471 got-relative addressing for anything but SImode.
4473 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4474 even if the calling function doesn't modify them.
4476 2006-04-05 Richard Guenther <rguenther@suse.de>
4478 PR tree-optimization/26919
4479 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4480 to cgraph_estimate_size_after_inlining.
4482 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4484 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4486 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4488 PR tree-optimization/26996
4489 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4490 VECTOR_TYPE variables.
4492 2006-04-05 Richard Guenther <rguenther@suse.de>
4494 PR tree-optimization/26763
4495 * fold-const.c (fold_comparison): Move folding of
4496 PTR + CST CMP PTR + CST ...
4497 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4499 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4501 * doc/install.texi (Prerequisites): Refine some wording on
4502 bootstrapping and ksh.
4503 Move the version numbers of DejaGnu here from the testing section
4504 and fix casing of names.
4505 Fix markup and clarify wording for autogen requirements.
4506 Refer to GCJ instead of just java.
4507 Refer to SVN instead of CVS.
4508 Describe diffutils as useful instead of necessary.
4509 (Downloading the source): Refer to SVN instead of CVS.
4510 Adjust a link to our web site accordingly.
4511 (Configuration): Fix casing of Bison.
4512 (Building): Refer to SVN instead of CVS.
4513 Fix a sentence on the use of Bison and remove duplicate (and
4514 incorrect) version number of Bison requirement.
4515 Remove one redundant list of packages needed for building.
4516 (Specific): Avoid reference to CVS.
4518 2006-04-04 Eric Christopher <echristo@apple.com>
4520 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4521 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4522 (rs6000_handle_struct_attribute): New.
4523 (rs6000_ms_bitfield_layout_p): Ditto.
4525 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4527 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4528 NULL for dso parameter to atexit_common.
4530 2006-04-04 Eric Christopher <echristo@apple.com>
4532 * config/i386/i386.c (machopic_output_stub): Output \t
4533 between instructions and operands.
4535 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4537 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4538 satisfies_constraint_[IL] to explicit tests on value.
4540 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4542 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4543 set_nb_iterations_in_loop): Use build_int_cst instead of
4545 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4546 build_int_cst instead of convert.
4548 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4550 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4551 new value 2 for incoming.
4552 * function.c (expand_function_start): Call struct_value_rtx
4554 * config/sparc/sparc.md: Comment updated_return.
4555 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4556 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4557 struct return if sparc_std_struct_return and incoming is 2.
4558 (print_operand): Do not adjust return if
4559 sparc_std_struct_return.
4561 2006-04-04 Roger Sayle <roger@eyesopen.com>
4563 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4564 convert in the middle-end.
4565 * expr.c (store_expr, store_constructor, get_inner_reference,
4566 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4568 * tree.c (build_range_type): Likewise.
4570 2006-04-04 Tom Tromey <tromey@redhat.com>
4572 * doc/install.texi (Prerequisites): Mention jar.
4574 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4576 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4579 2006-04-04 Matthias Klose <doko@debian.org>
4581 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4582 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4585 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4587 * doc/extend.texi (Function Attributes): Rewrite visibility
4588 attribute documentation.
4589 * doc/invoke.texi (C++ Dialect Options): Rewrite
4590 -fvisibility-inlines-hidden documentation to describe something
4591 entirely different, although in practise compatible.
4592 (Code Gen Options): Warn about system headers in -fvisibility=
4595 * doc/extend.texi (Other Builtins): Document that
4596 __builtin_nan is a compile-time constant only when its argument
4599 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4601 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4602 trying to remove TRUNCATE check if all bits outside the new mode
4603 are identical to the sign bit.
4605 2006-04-03 Jeff Law <law@redhat.com>
4607 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4608 and operand scanning in some common cases.
4610 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4611 Dale Johannesen <dalej@apple.com>
4614 * regclass.c (struct reg_pref): Update documentation.
4615 (regclass): Set prefclass to NO_REGS if memory is the best option.
4616 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4617 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4618 into account. For non-registers, equate an empty preferred
4619 reload class to a `!' in the constraint; move the if clause to
4620 do so after those that reject the insn.
4621 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4623 (find_dummy_reload): Likewise.
4624 * doc/tm.texi (Register Classes): Document what it means
4625 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4626 * config/i386/i386.c (ix86_preferred_reload_class): Force
4627 using SSE registers (and return NO_REGS for floating-point
4628 constants) if math is done with SSE.
4629 (ix86_preferred_output_reload_class): New.
4630 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4631 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4632 * config/i386/i386.md: Remove # register preferences.
4634 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4637 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4638 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4639 the type of nb_iter.
4640 (instantiate_parameters_1): Convert the operands before calling
4641 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4642 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4644 2006-04-02 Roger Sayle <roger@eyesopen.com>
4646 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4647 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4649 * dojump.c (do_jump): Likewise.
4650 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4651 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4652 gimplify_boolean_expr): Likewise.
4653 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4654 * varasm.c (array_size_for_constructor): Likewise.
4655 * tree-object-size.c (compute_object_offset): Likewise.
4657 2006-04-02 Roger Sayle <roger@eyesopen.com>
4660 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4661 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4663 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4665 PR tree-optimization/26939
4666 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4668 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4670 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4671 at_stmt. Convert the type of operands before calling
4672 build_polynomial_chrec.
4673 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4675 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4676 (instantiate_parameters_1): Convert the type of operands before calling
4677 build_polynomial_chrec.
4678 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4679 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4680 reset_evolution_in_loop): Insert asserts to check the types of the
4682 (chrec_type): Moved...
4683 (eq_evolutions_p): Use operand_equal_p.
4684 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4685 the types of the operands.
4686 (chrec_type): ...here.
4687 * tree-data-ref.c (create_data_ref): Convert the operands before
4688 calling chrec_replace_initial_condition.
4689 (same_access_functions, analyze_subscript_affine_affine,
4690 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4691 (compute_subscript_distance, analyze_ziv_subscript,
4692 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4693 analyze_miv_subscript): Convert the operands before calling
4694 chrec_fold_minus or chrec_fold_plus.
4696 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4698 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4699 the dependence_relations vector.
4700 (compute_data_dependences_for_loop): Adjust call to
4701 compute_all_dependences.
4703 2006-04-01 Roger Sayle <roger@eyesopen.com>
4704 Richard Henderson <rth@redhat.com>
4706 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4707 gimple_boolify on the condition before calling gimplify_expr.
4709 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4711 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4712 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4713 the frame size. Update to use the new macros.
4714 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4715 * config/xtensa/ieee754-df.S: Likewise.
4717 2006-03-31 Richard Henderson <rth@redhat.com>
4719 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4720 (make_edges): ... here. Control fallthru creation with a local
4721 variable. Do not play with fake edges.
4722 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4723 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4726 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4728 * dwarf2.h (DW64_CIE_ID): Define.
4729 * dwarf2out.c (DWARF_CIE_ID): Define.
4730 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4731 length header. Use DWARF_CIE_ID.
4732 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4733 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4735 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4737 * config/sh/linux-atomic.asm: New file.
4738 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4740 2006-03-31 DJ Delorie <dj@redhat.com>
4742 * config/m32c/cond.md: Set condition flags properly throughout.
4743 * config/m32c/minmax.md: Likewise.
4744 * config/m32c/prologue.md: Likewise.
4745 * config/m32c/bitops.md: Likewise.
4746 * config/m32c/muldiv.md: Likewise.
4747 * config/m32c/mov.md: Likewise.
4748 * config/m32c/addsub.md: Likewise.
4749 * config/m32c/m32c.md: Likewise.
4750 * config/m32c/jump.md: Likewise.
4751 * config/m32c/shift.md: Likewise.
4753 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4754 conditionally output the pattern for this.
4755 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4756 (m32c_compare_redundant): New.
4757 (m32c_output_compare): New.
4758 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4760 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4761 dest, not src. Allow other 4-byte modes.
4763 2006-03-30 Denis Chertykov <denisc@overta.ru>
4765 * doc/md.texi: Refer to avr/constraints.md instead of
4768 2006-03-30 Roger Sayle <roger@eyesopen.com>
4770 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4771 signed vs. unsigned comparison failures on some hosts.
4773 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4776 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4777 change to FLOAT_REGS.
4779 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4780 (rs6000_override_options): Use it.
4781 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4782 only for -mabi=spe/no-spe and -mabi=altivec.
4784 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4786 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4789 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4791 * Makefile.in: Rename docdir to gcc_docdir.
4793 2006-03-30 Roger Sayle <roger@eyesopen.com>
4796 * expr.c (emit_group_store): Optimize group stores into a pseudo
4797 register by using a paradoxical subreg to initialize the destination
4798 if the first or last member of the group specifies a "low part".
4800 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4803 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4804 * target.h (struct gcc_target.speculate_insn): Change type of the
4805 second parameter to 'int'.
4806 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4807 the second operand of the DEPS_LIST.
4808 (copy_DEPS_LIST_list): Update reference to the second operand of the
4810 * rtl.h (alloc_DEPS_LIST): Update signature.
4811 * sched-int.h (ds_t): Change typedef to 'int'.
4812 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4814 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4816 * haifa-sched.c (try_ready): Change condition to restore
4817 non-speculative pattern of the instruction.
4818 (process_insn_depend_be_in_spec): Code to keep probability of the
4819 speculative dependence non-decreasing.
4821 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4823 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4824 (single_move_for_movmem): ... this. Also change all uses.
4825 (bfin_expand_strmov): Renamed to...
4826 (bfin_expand_movmem): ... this. Also change all uses.
4827 * config/bfin/bfin.md (movstrsi): Renamed to...
4828 (movstrsi): ...this.
4830 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4832 PR tree-optimization/26830
4834 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4835 (copy_prop_visit_stmt): Remove write-only variable ann.
4836 (init_copy_prop): Check variable loop depth here. Do not simulate
4837 memory-tag and virtual operand PHIs except for store copy prop.
4839 2006-03-30 Richard Guenther <rguenther@suse.de>
4841 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4842 variants with double arguments.
4844 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4846 * genpreds.c (write_tm_constrs_h): Delete variable p.
4847 * genconditions.c (write_header): Add tm-constrs.h to included
4849 * genpeep.c (main): Add toplev.h to included headers.
4850 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4851 (build/genpeep.o): Add toplev.h dependency.
4852 * config/rs6000/constraints.md: Add "W" constraint.
4854 2006-03-29 Roger Sayle <roger@eyesopen.com>
4856 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4857 sizes by correctly testing whether the size fits a host integer.
4858 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4859 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4860 SImode range for the default sizetype and bitsizetype.
4862 2006-03-29 Roger Sayle <roger@eyesopen.com>
4864 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4865 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4866 quickly if the argument is already of the correct type.
4867 Call fold_build1 instead of build1. Tidy up blank lines.
4869 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4871 * genemit.c (main): Add tm-constrs.h to included headers.
4872 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4873 * genpeep.c (main): Add tm-constrs.h to included headers.
4874 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4875 (write_tm_constrs_h): this and write complete file.
4876 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4877 (write_insn_preds_c): Add tm-constrs.h to included headers.
4878 (gen_constrs): New variable.
4879 (parse_option): Parse "-c".
4880 (main): Invoke write_tm_constrs_h.
4881 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4882 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4883 (object_out_file): Add tm-constrs.h dependency.
4884 (insn-emit.o): Same.
4885 (insn-output.o): Same.
4886 (insn-peep.o): Same.
4887 (insn-preds.o): Same.
4888 (insn-recog.o): Same.
4889 (tm-constsr.h): New target.
4890 (s-constrs-h): New target.
4892 * config/rs6000/constraints.md: New file.
4893 * config/rs6000/rs6000.c: Include tm-constrs.h.
4894 (num_insn_constant_wide): Convert to satisfies_constraint.
4895 (rs6000_rtx_costs): Convert to satisfies_constraint.
4896 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4897 (CONST_OK_FOR_LETTER_P): Delete.
4898 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4899 (EXTRA_CONSTRAINT): Delete.
4900 (EXTRA_MEMORY_CONSTRAINT): Delete.
4901 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4902 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4903 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4904 satisfies_constraint.
4906 * config/i386/i386.c: Include tm-constrs.h.
4908 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4910 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4911 * tree-data-ref.c (find_data_references_in_loop,
4912 compute_data_dependences_for_loop): Use pointers to VEC.
4913 (analyze_all_data_dependences): Adjust calls.
4914 * tree-data-ref.h (find_data_references_in_loop,
4915 compute_data_dependences_for_loop): Adjust declarations.
4916 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4917 compute_data_dependences_for_loop.
4919 2006-03-29 Paul Brook <paul@codesourcery.com>
4921 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4924 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4926 PR tree-optimization/26859
4927 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4929 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4930 for the step after fold_convert.
4932 2006-03-29 Paul Brook <paul@codesourcery.com>
4934 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4935 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4937 2006-03-29 Paul Brook <paul@codesourcery.com>
4940 * targhooks.c (default_narrow_bitfield): New fuction.
4941 * targhooks.h (default_narrow_bitfield): add prototype.
4942 * target.h (gcc_target): Add narrow_volatile_bitfield.
4943 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4944 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4945 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4946 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4948 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4950 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4952 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4953 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4954 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4955 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4956 (s390_function_arg_float): Allow SDmode and DDmode values to be
4957 passed in floating point registers.
4958 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4959 check with SCALAR_FLOAT_MODE_P.
4960 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4962 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4964 PR tree-optimization/25985
4965 * tree-ssa-loop-niter.c (number_of_iterations_le,
4966 number_of_iterations_ne): Make comments more precise.
4967 (number_of_iterations_cond): Add only_exit argument. Use the
4968 fact that signed variables do not overflow only when only_exit
4970 (loop_only_exit_p): New.
4971 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4972 number_of_iterations_cond.
4974 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4976 PR tree-optimization/26643
4977 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4980 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4982 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4983 (divsi3_i4_int): Likewise.
4985 2006-03-28 Roger Sayle <roger@eyesopen.com>
4987 * expr.c (emit_group_store): Only create a new pseudo reg if the
4988 quantity it needs to hold isn't already a suitable pseudo.
4990 2006-03-28 Jeff Law <law@redhat.com>
4992 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4993 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4995 2006-03-28 Roger Sayle <roger@eyesopen.com>
4997 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4998 the equivalent ~X & Y, and the symmetry related transformations.
4999 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5000 ~X & Y, and symmetry related transforms.
5002 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5004 Revert my 2006-03-27 patches.
5006 2006-03-28 Roger Sayle <roger@eyesopen.com>
5008 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5009 ~(T1)X, when T1 and T2 are integer types of the same precision
5010 and (T2)X isn't an extension.
5012 2006-03-28 Jeff Law <law@redhat.com>
5014 PR tree-optimization/26796
5015 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5016 need EH edge cleanups rather than purging them immediately.
5017 (eliminate_degenerate_phis): Handle queued EH cleanups.
5019 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5021 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5024 2006-03-27 Roger Sayle <roger@eyesopen.com>
5027 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5028 cast BIT_NOT_EXPR operand to the correct type.
5030 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5032 * tree-loop-linear.c: Don't include varray.h.
5033 (gather_interchange_stats, try_interchange_loops,
5034 linear_transform_loops): Use VEC instead of VARRAY.
5035 * lambda-mat.c: Don't include varray.h.
5036 * tree-chrec.c: Same.
5037 * lambda-trans.c: Same.
5038 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5039 VEC instead of VARRAY.
5040 * tree-vectorizer.h: Idem.
5041 * tree-data-ref.c (dump_data_references,
5042 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5043 initialize_data_dependence_relation, finalize_ddr_dependent,
5044 compute_all_dependences, find_data_references_in_loop,
5045 compute_data_dependences_for_loop, analyze_all_data_dependences,
5046 free_dependence_relation, free_dependence_relations,
5047 free_data_refs): Idem.
5048 * tree-data-ref.h (data_reference_p, subscript_p): New.
5049 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5050 VEC instead of VARRAY.
5051 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5052 (find_data_references_in_loop, compute_data_dependences_for_loop,
5053 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5054 dump_data_dependence_relations, free_dependence_relations,
5055 free_data_refs): Adjust declaration.
5056 (lambda_transform_legal_p): Move declaration here...
5057 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5058 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5059 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5060 vect_analyze_data_refs): Use VEC instead of VARRAY.
5061 * lambda.h (lambda_transform_legal_p): ...from here.
5062 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5063 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5064 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5065 tree-chrec.o): Don't depend on VARRAY_H.
5067 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5069 * rtl.def (Copyright): Update date.
5070 (DEPS_LIST): Change type of the second operand to 'int'.
5071 * target.h (Copyright): Update date.
5072 (struct gcc_target.speculate_insn): Change type of the second parameter
5074 * lists.c (Copyright): Update date.
5075 (alloc_DEPS_LIST): Change signature. Update reference to the second
5076 operand of the DEPS_LIST.
5077 (copy_DEPS_LIST_list): Update reference to the second operand of the
5079 * rtl.h (Copyright): Update date.
5080 (alloc_DEPS_LIST): Update signature.
5081 * sched-int.h (Copyright): Update date.
5082 (ds_t): Change typedef to 'int'.
5083 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5085 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5087 * haifa-sched.c (Copyright): Update date.
5088 (try_ready): Change condition to restore non-speculative pattern
5090 (process_insn_depend_be_in_spec): Code to keep probability of the
5091 speculative dependence non-decreasing.
5093 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5095 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5096 shut up the compiler.
5098 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5100 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5101 to use lib prefix for target.
5102 ($(T)libic_invalidate_array_4-200.a): Likewise.
5103 ($(T)libic_invalidate_array_4a.a): Likewise.
5105 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5106 J"orn Rennecke <joern.rennecke@st.com>
5108 * superh.opt: New file.
5109 * sh.c (boardtype, osruntime): Remove.
5110 * superh.h (SUBTARGET_OPTIONS): Remove.
5111 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5113 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5114 arguments with ^ and/or [].
5116 * config.gcc (sh-*-*): Add quoting to account for quirk of
5118 Replace == with = in enable_incomplete_targets test.
5120 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5121 with MASK_LITTLE_ENDIAN.
5123 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5124 * config/sh/sh.opt: Added to some comments.
5125 * config/sh/superh.h: Removed some chaff.
5127 * config/sh/sh.opt: Add m4-[1234]00* options.
5128 * config/sh/sh.c (sh_handle_option): Likewise.
5129 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5130 (ic_invalidate_array_4-100.o): New rule.
5131 ($(T)libic_invalidate_array_4-100.a): Likewise.
5132 (ic_invalidate_array_4-200.o): Likewise.
5133 ($(T)libic_invalidate_array_4-200.a): Likewise.
5134 (ic_invalidate_array_4a.o): Likewise.
5135 ($(T)libic_invalidate_array_4a.a): Likewise.
5136 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5137 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5139 * config/sh/crt1.asm: Merged in profiling code.
5140 * config/sh/superh.h (STARTFILE_SPEC): Override.
5141 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5142 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5143 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5145 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5146 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5147 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5149 * sh.opt (mpretend-cmove): New option.
5150 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5151 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5152 (movsicc): Add TARGET_PRETEND_CMOVE code.
5154 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5156 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5157 s390_class_max_nregs): New function prototypes.
5158 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5159 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5160 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5161 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5163 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5165 * dwarf2out.c (add_location_or_const_value_attribute): Call
5166 tree_add_const_value_attribute if nothing else works.
5167 (reference_to_unused): New.
5168 (rtl_for_decl_init): Use reference_to_unused to decide whether
5169 to output an initializer.
5171 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5174 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5175 peephole removing spe frob_di_df_2.
5177 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5179 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5180 (subscript_dependence_tester_1): Declared.
5181 (print_dir_vectors, print_dist_vectors): New.
5182 (debug_data_dependence_relation): New.
5183 (dump_data_dependence_relation): Print more details.
5184 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5185 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5186 (save_dist_v, save_dir_v, add_outer_distances,
5187 build_classic_dist_vector_1): New.
5188 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5189 Don't test for lambda_vector_lexico_pos.
5190 (same_access_functions, add_multivariate_self_dist,
5191 add_other_self_distances, dir_from_dist): New.
5192 (build_classic_dir_vector): Replace implementation almost identical to
5193 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5195 (subscript_dependence_tester_1): New.
5196 (subscript_dependence_tester): Handle the lexicographically negative
5197 distance vectors by recomputing the dependence relation.
5198 (compute_affine_dependence): Remove parameter loop_nest_depth.
5199 (compute_self_dependence): Don't call compute_subscript_distance.
5200 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5201 Add a parameter for the loop_nest.
5202 (find_loop_nest_1, find_loop_nest): New.
5203 (compute_data_dependences_for_loop): Compute the loop nest, and give
5204 up if the nest is not well formed.
5205 * tree-data-ref.h (loop_p): New.
5206 (struct data_dependence_relation): Replace size_vect field with
5207 loop_nest, a vec of loops.
5208 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5209 (DDR_LOOP_NEST): New.
5210 (print_dir_vectors, print_dist_vectors,
5211 debug_data_dependence_relation): Declared.
5212 (index_in_loop_nest): New.
5213 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5214 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5217 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5219 * simplify-rtx.c (simplify_relational_operation): Call
5220 simplify_relational_operation_1 even if mode is VOIDmode.
5222 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5224 PR tree-optimization/26804
5225 * tree.h (DECL_CALL_CLOBBERED): New macro.
5226 (tree_decl_common): Add call_clobbered_flag.
5227 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5228 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5229 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5230 (mark_non_addressable): Ditto.
5231 * tree-ssa.c (verify_call_clobbered): New function.
5232 (verify_alias_info): Use it.
5233 * tree-pass.h (pass_reset_cc_flags): New prototype.
5234 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5235 (reset_cc_flags): New function.
5236 * passes.c (init_optimization_passes): Call reset_cc_flags after
5237 initializing referenced_vars.
5239 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5240 Roger Sayle <roger@eyesopen.com>
5243 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5244 to 1.0 for non-real operands. Implement A / A optimization for
5247 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5249 * config/i386/i386.c (size_cost): Correct the comment for
5250 cost of storing fp registers.
5251 (i386_cost): Likewise.
5252 (i486_cost): Likewise.
5253 (pentium_cost): Likewise.
5254 (pentiumpro_cost): Likewise.
5255 (k6_cost): Likewise.
5256 (athlon_cost): Likewise.
5257 (k8_cost): Likewise.
5258 (pentium4_cost): Likewise.
5259 (nocona_cost): Likewise.
5260 (generic64_cost): Likewise.
5261 (generic32_cost): Likewise.
5263 2006-03-24 Denis Chertykov <denisc@overta.ru>
5265 * config/avr/avr-protos.h (extra_constraint): Delete.
5266 (extra_constraint_Q): New declaration.
5267 * config/avr/constraints.md: New file.
5268 * config/avr/avr.md: Include it.
5269 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5270 (TMP_REGNO, ZERO_REGNO): Likewise.
5271 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5272 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5273 (extra_constraint): Delete.
5274 (extra_constraint_Q): Test for memory constraint 'Q'.
5275 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5276 (REG_CLASS_FROM_LETTER): Delete.
5277 (CONST_OK_FOR_LETTER_P): Delete.
5278 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5279 (EXTRA_CONSTRAINT): Delete.
5280 (TMP_REGNO): Delete.
5281 (ZERO_REGNO): Delete.
5283 2006-03-24 Jeff Law <law@redhat.com>
5285 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5286 directly. Call mark_new_vars_to_rename slightly earlier.
5288 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5290 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5292 (gen_compile_unit_die): Use new language types for Objective-C and
5294 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5295 DW_LANG_C_plus_plus.
5298 * config/t-darwin (crt3.o): Work around bug 26840.
5299 * config/darwin-crt3.c: Rewrite.
5300 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5302 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5304 * doc/invoke.texi: Document -femit-class-debug-always
5305 * common.opt: Add -femit-class-debug-always.
5307 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5309 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5310 index and base register.
5311 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5312 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5313 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5314 REGNO_OK_FOR_INDEX_P.
5315 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5317 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5318 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5319 REG_OK_FOR_BASE_P): Definitions removed.
5321 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5324 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5325 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5326 set yet or weren't marked as local yet.
5328 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5330 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5333 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5335 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5336 (rs6000_legitimate_small_data_p): Delete.
5337 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5338 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5339 and make static. Add forward declaration. Update uses.
5340 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5341 of offsettable_memref_p.
5342 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5343 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5345 2006-03-24 Jeff Law <law@redhat.com>
5347 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5348 around bug in immediate-use iterator.
5350 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5353 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5354 or __LITTLE_ENDIAN__.
5356 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5358 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5359 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5360 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5361 * config/sh/sh.opt (mdiv=): Amend description.
5362 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5363 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5364 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5365 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5366 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5367 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5368 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5369 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5370 TARGET_DIVIDE_CALL_FP.
5372 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5374 * haifa-sched.c (choose_ready): Fix type of the local variable.
5375 Move local variables. Add comment.
5376 (check_reg_live): Change signature. Make callable from debugger.
5377 * sched-int.h (check_reg_live): Update signature.
5378 * sched-ebb.c (check_reg_live): Update parameters.
5379 * sched-rgn.c (check_reg_live): Ditto.
5380 (region_head_or_leaf_p): Check pointer before dereferencing.
5381 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5382 before reload on optimization levels below 1.
5384 2006-03-23 Richard Henderson <rth@redhat.com>
5386 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5390 * config/alpha/predicates.md (local_symbolic_operand): Reject
5393 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5396 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5397 expressions which have overflowed constants.
5399 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5401 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5403 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5405 * cfgloopmanip.c (create_loop_notes): Removed.
5406 * final.c (final_scan_insn): Do not handle loop notes.
5407 * jump.c (squeeze_notes): Ditto.
5408 * cfglayout.c (skip_insns_after_block,
5409 duplicate_insn_chain): Ditto.
5410 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5412 * cfgloop.h (create_loop_notes): Declaration removed.
5414 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5416 * varasm.c (output_constant_pool): Restore fnname and fndecl
5418 (assemble_start_function): Adjust call accordingly.
5419 (assemble_end_function): Likewise.
5421 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5424 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5427 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5429 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5432 * system.h (ICE_EXIT_CODE): New macro.
5433 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5434 (diagnostic_action_after_output): Likewise.
5435 * gcc.c (fatal_ice): New function.
5436 (execute): Use it instead of fatal.
5437 (fancy_abort): Likewise.
5438 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5440 2006-03-22 Jeff Law <law@redhat.com>
5442 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5443 iv_analyze_result returning false.
5445 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5447 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5449 2006-03-22 Richard Henderson <rth@redhat.com>
5452 * except.c (duplicate_eh_regions_0): New.
5453 (duplicate_eh_region_1): Duplicate the children of the node as
5454 well as the node itself. Link them up properly.
5455 (duplicate_eh_region_2): Merge into ...
5456 (duplicate_eh_regions): ... here. Take copy_region argument, and
5457 copy only a sub-tree if asked. Simplify copying and fixup.
5458 (eh_region_outer_p): New.
5459 * except.h (duplicate_eh_regions): Update decl.
5460 (eh_region_outer_p): Declare.
5461 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5462 (lower_omp_master): Likewise.
5463 (lower_omp_ordered): Likewise.
5464 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5465 (move_stmt_r): Use it to remap labels. Handle recursion vs
5466 remap_decls_p properly.
5467 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5468 (find_outermost_region_in_block): New.
5469 (new_label_mapper): New.
5470 (move_sese_region_to_fn): Copy eh information to the new function
5472 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5474 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5477 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5479 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5480 into shared libraries.
5482 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5484 * doc/md.texi: Refer to i386/constraints.md instead of
5486 * config/i386/constraints.md: New file, extracted from...
5487 * config/i386/predicates.md: ...here.
5488 * config/i386/i386.md: Include constraints.md.
5490 2006-03-21 Jason Merrill <jason@redhat.com>
5492 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5495 * expr.c (init_block_move_fn): Force default visibility.
5496 (init_block_clear_fn): Likewise.
5497 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5498 * targhooks.c (default_external_stack_protect_fail): Likewise.
5500 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5502 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5503 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5504 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5505 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5506 (loadgp): Use mips_current_loadgp_style.
5507 (loadgp_noshared): New pattern.
5508 (sibcall_internal): Use MIPS_CALL.
5509 (sibcall_value_internal): Likewise.
5510 (sibcall_value_multiple_internal): Likewise.
5511 (call_internal): Likewise.
5512 (call_value_internal): Likewise.
5513 (call_value_multiple_internal): Likewise.
5514 (call_split): Use MIPS_CALL and add an 'S' constraint.
5515 (call_value_split): Likewise.
5516 (call_value_multiple_split): Likewise.
5517 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5518 (-mshared): New option.
5519 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5520 (mips_current_loadgp_style): Declare.
5521 * config/mips/mips.c (mips_classify_symbol): Avoid using
5522 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5523 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5524 TARGET_ABSOLUTE_ABICALLS.
5525 (override_options): Adjust comments. Improve the warning that is
5526 issued when -mabicalls and -G are used together.
5527 (mips_file_start): Remove comment.
5528 (mips_current_loadgp_style): New function.
5529 (mips_gnu_local_gp): New variable.
5530 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5532 (mips_output_function_prologue): Use mips_current_laodgp_style.
5533 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5534 the cprestore instruction.
5535 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5536 live for TARGET_ABSOLUTE_ABICALLS.
5537 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5538 (ASM_SPEC): Pass down -mshared and -mno-shared.
5539 (MIPS_CALL): New macro.
5540 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5542 * doc/invoke.texi (-mabicalls): Update documentation.
5543 (-mshared): Document.
5545 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5547 * config/ia64/unwind-hpux.c: New file.
5548 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5550 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5553 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5555 2006-03-21 Jeff Law <law@redhat.com>
5557 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5558 type conversions of a VR_VARYING source to a wider type.
5560 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5562 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5563 tm_file on Solaris 10 and later.
5564 (sparc64-*-solaris2*): Likewise.
5565 (sparc-*-solaris2*): Likewise.
5566 * config/sol26.h: Rename to config/sol2-6.h.
5567 * config/sol2-10.h: New file.
5569 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5572 * tree-ssa-pre.c (create_component_ref_by_pieces):
5575 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5578 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5579 return it immediately.
5581 2006-03-21 Michael Matz <matz@suse.de>
5583 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5585 (remove_arc, add_arc): Update num_out_arcs member.
5586 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5588 (cache_presence): New function.
5589 (compare_states_for_equiv): New function.
5590 (state_is_differed): Don't take number of outargs, adjust callers.
5591 Use new invariant for speeding up.
5592 (init_equiv_class): Create initial classes based on sorted
5594 (partition_equiv_class): Don't track out_arcs_num.
5595 (evaluate_equiv_classes): Call cache_presence on all states and
5598 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5600 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5601 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5602 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5603 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5605 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5606 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5607 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5608 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5609 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5611 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5612 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5613 (REGNO_REG_CLASS): ARGP is in PREGS.
5614 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5616 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5617 to deal with those addresses.
5618 * addresses.h: New file.
5619 * caller-save.c: Include "addresses.h".
5620 (init_caller_save): Use new base_reg_class function.
5621 * rtl-factoring.c: Include "addresses.h".
5622 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5623 * recog.c: Include "addresses.h".
5624 (preprocess_constraints): Use new base_reg_class function.
5625 * regrename.c: Include "addresses.h".
5626 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5627 functions. Keep track of a new var INDEX_CODE to compute valid
5629 (replace_oldest_value_addr): Likewise.
5630 (replace_oldest_value_mem): Use base_reg_class.
5631 * reload.c: Include "addresses.h".
5632 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5633 (find_reloads): Use new base_reg_class function.
5634 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5635 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5636 all callers and prototype changed.
5637 * reload1.c: Include "addresses.h".
5638 (maybe_fix_stack_asms): Use base_reg_class.
5639 * regclass.c: Include "addresses.h".
5640 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5641 (init_reg_autoinc): Use new base_reg_class function.
5642 (record_reg_classes): Likewise.
5643 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5644 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5645 Use new args to compute necessary class.
5647 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5648 regrename.o, rtl-factoring.o): Update dependencies.
5649 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5650 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5651 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5652 REG_OK_FOR_INDEX_P): Delete documentation.
5654 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5656 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5657 from V7 to V9 for Solaris 7 and above.
5659 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5661 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5662 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5663 argument pointers may not alias any other storage.
5664 * common.opt: Define option -fargument-noalias-anything.
5665 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5666 alias semantics is specified by flag_argument_noalias > 2.
5668 2006-03-20 Jeff Law <law@redhat.com>
5670 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5671 (pass_phi_only_cprop): Declare.
5672 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5674 * tree-ssa-dom.c (degenerate_phi_result): New function.
5675 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5676 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5677 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5678 (eliminate_degenerate_phis): Likewise.
5679 (pass_phi_only_cprop): New pass descriptor.
5680 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5681 support code. Callers updated.
5682 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5683 (store_copy_prop): Likewise.
5684 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5686 2006-03-20 Jason Merrill <jason@redhat.com>
5689 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5690 (push_visibility, pop_visibility): Likewise.
5691 * c-pragma.h: Declare them.
5693 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5695 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5697 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5698 parameter and use get_ebb_head_tail.
5699 (sh_md_init_global): Adjust uses of find_regmode_weight.
5701 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5703 * function.h (struct function) <x_tail_recursion_reentry>:
5704 Rename to x_stack_check_probe_note.
5705 (tail_recursion_reentry): Rename to stack_check_probe_note.
5706 * function.c: Replace tail_recursion_reentry with
5707 stack_check_probe_note everywhere.
5708 (expand_function_start): Only emit a note for
5709 stack_check_probe_note with -fstack-protect.
5710 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5712 * emit-rtl.c (remove_unnecessary_notes): Remove.
5713 (pass_remove_unnecessary_notes): Remove.
5714 * rtl.h (remove_unnecessary_notes): Remove prototype.
5715 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5716 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5717 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5719 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5722 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5723 (valid_in_set): Handle ARRAY_REF.
5724 Change "if min_variant or VH" to asserts.
5725 (create_component_ref_by_pieces): Handle ARRAY_REF.
5726 (create_expression_by_pieces): Likewise.
5727 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5729 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5731 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5732 is operand of switch, not str[0].
5734 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5736 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5737 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5739 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5741 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5742 end of insn_extra_address_constraint declaration.
5744 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5746 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5747 (no-sum-in-toc): Same.
5748 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5750 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5751 NO_FP_IN_TOC for -fPIC instead of mask.
5753 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5754 (BOOT_LDFLAGS): Delete.
5756 * config/rs6000/t-aix52: Same.
5758 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5759 (stmsi[345678]_power): New.
5761 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5763 * config/ia64/ia64.opt: Add empty line to end of file.
5765 2006-03-17 Richard Guenther <rguenther@suse.de>
5768 * builtins.c (get_pointer_alignment): For component style references
5769 adjust alignment to the component type alignment. Make sure
5770 to adjust alignment for component access of constants.
5772 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5774 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5777 2006-03-17 Paul Brook <paul@codesourcery.com>
5779 * doc/install.texi: Docuemnt --with-mode.
5780 * config.gcc: Add --with-mode for arm*-*-*.
5781 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5783 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5785 * sh.c (max_labelno_before_reorg): New variable.
5786 (sh_reorg): Initialize it.
5787 (find_barrier): Check max_labelno_before_reorg before using
5788 label_to_alignment. Take length of explicit alignment insns
5789 into account. When seeing a UNSPECV_CONST_END, return it.
5791 * sh.c (fixup_mova): Set mode of affected label to QImode.
5792 (untangle_mova): New function.
5793 (find_barrier): Use it. Check mode of label before decrementing
5795 (sh_reorg): Likewise.
5796 Set mode of all insns back to VOIDmode.
5798 * sh.c (MOVA_LABELREF): New macro.
5799 (mova_p, fixup_mova, sh_reorg): Use it.
5800 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5801 ADDR_DIFF_VEC matches mova.
5803 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5805 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5806 with ATTRIBUTE_UNUSED.
5808 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5810 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5811 pointer, instead of assuming it is possible to derive the
5812 correct args size from a call insn.
5814 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5816 * rtl.h (CONST_INT_P): Define.
5817 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5818 instead of GET_CODE(x) == CONST_INT.
5819 (vax_rtx_costs): Likewise.
5820 (vax_output_int_move): Likewise.
5821 (vax_output_int_add): Likewise.
5822 (legitimate_constant_address_p): Likewise.
5823 (index_term_p): Likewise.
5824 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5825 * config/vax/vax.md (and<mode>3): Likewise.
5826 (ashrsi3): Likewise.
5828 (movstricthi): Likewise.
5829 (movstrictqi): Likewise.
5830 (rotrsi3): Likewise.
5831 (five unnamed insns): Likewise.
5833 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5835 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5836 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5837 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5838 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5839 Pass to ASM_OUTPUT_DWARF_OFFSET.
5840 * dwarf2out.c (debug_frame_section): New.
5841 (output_call_frame_info): Use debug_frame_section. Pass it to
5842 dw2_asm_output_offset.
5843 (output_die): Pass appropriate section to dw2_asm_output_offset.
5844 (output_compilation_unit_header): Likewise.
5845 (output_pubnames): Likewise.
5846 (output_aranges): Likewise.
5847 (enum dw_val_class): Break dw_val_class_lbl_offset into
5848 dw_val_class_lineptr and dw_val_class_macptr.
5849 (add_AT_lbl_offset): Delete.
5850 (add_AT_lineptr): New.
5851 (add_AT_macptr): New.
5852 (AT_lbl): Expect a lineptr or macptr.
5853 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5854 (attr_checksum): Likewise.
5855 (same_dw_val_p): Likewise.
5856 (size_of_die): Likewise.
5857 (value_format): Likewise.
5858 (output_die): Likewise.
5859 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5861 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5862 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5863 * config/darwin-protos.h (darwin_file_start): New.
5864 (darwin_asm_output_dwarf_offset): New.
5865 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5866 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5868 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5869 if not EH section; simplify.
5870 (darwin_file_start): New.
5871 (darwin_asm_output_dwarf_offset): New.
5872 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5874 (DEBUG_INFO_SECTION): Likewise.
5875 (DEBUG_ABBREV_SECTION): Likewise.
5876 (DEBUG_ARANGES_SECTION): Likewise.
5877 (DEBUG_MACINFO_SECTION): Likewise.
5878 (DEBUG_LINE_SECTION): Likewise.
5879 (DEBUG_LOC_SECTION): Likewise.
5880 (DEBUG_PUBNAMES_SECTION): Likewise.
5881 (DEBUG_STR_SECTION): Likewise.
5882 (DEBUG_RANGES_SECTION): Likewise.
5883 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5884 (ASM_OUTPUT_DWARF_OFFSET): New.
5886 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5888 * config.gcc (tm_defines): Always add to previous value rather
5891 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5893 * config/mips/predicates.md (splittable_const_int_operand): New,
5894 split from move_operand.
5895 (splittable_symbolic_operand): New.
5896 (move_operand): Add commentary. Use splittable_const_int_operand.
5897 Inline mips_atomic_symbolic_constant_p.
5898 * config/mips/mips.md: Add combine splitters for handling moves
5899 of splittable_const_int_operands and splittable_symbolic_operands.
5900 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5901 (mips_split_symbol): Declare.
5902 (mips_move_integer): Declare.
5903 * config/mips/mips.c (mips_split_p): Make global.
5904 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5905 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5906 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5907 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5908 (mips_offset_within_object_p): Handle block symbols.
5909 (mips_atomic_symbolic_constant_p): Delete.
5910 (mips_cannot_force_const_mem): Return false for constants that
5911 mips_legitimize_move can handle.
5912 (mips_use_blocks_for_constant_p): New function.
5913 (mips_split_symbol): Make global.
5914 (mips_move_integer): Likewise. Add a temporary register argument.
5915 (mips_legitimize_const_move): Use splittable_const_int_operand and
5916 splittable_symbolic_operand.
5917 (mips_use_anchors_for_symbol_p): New function.
5918 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5919 (mips_split_p): Declare.
5921 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5923 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5924 (mips*-*-linux*): Likewise.
5926 2006-03-16 Roger Sayle <roger@eyesopen.com>
5927 Daniel Speyer <dspeyer@wam.umd.edu>
5930 * tree-dump.c (dump_real): New function.
5931 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5932 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5933 (tree-dump.o): Add $(REAL_H) to the dependencies.
5935 2006-03-16 Roger Sayle <roger@eyesopen.com>
5938 * real.c (real_from_string): If the mantissa is zero, don't bother
5939 parsing the exponent as the result should always be zero.
5941 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5943 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5945 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5947 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5948 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5949 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5950 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5951 ia64_sched_finish_global): New static functions to implement
5952 hooks from gcc_target.sched.
5953 (spec_check_no, max_uid, pending_data_specs): New static variables.
5954 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5955 ia64_spec_check_src_p): New static functions.
5956 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5957 (TARGET_SCHED_ADJUST_COST): Removed.
5958 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5959 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5960 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5961 TARGET_SCHED_GEN_CHECK,
5962 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5963 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5964 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5965 Fixed to handle speculation checks.
5966 (rtx_needs_barrier): Fixed to handle speculative loads and
5968 (ia64_variable_issue): Added code to count speculative loads and their
5970 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5972 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5974 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5976 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5977 (ia64_reorg): Reset stops_p to NULL after it is freed.
5978 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5979 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5980 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5982 (data_speculative, control_speculative, check_load): New attributes.
5983 (mov<mode>_advanced, mov<mode>_speculative,
5984 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5985 zero_extend<mode>di2_speculative,
5986 zero_extend<mode>di2_speculative_advanced): New patterns for
5987 data and control speculative loads.
5988 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5990 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5991 New pattern for data and control speculation checks.
5992 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5993 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5994 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5995 Auxiliary definitions for the patterns.
5996 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5997 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5999 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6001 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6002 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6003 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6004 New resource constraints.
6005 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6007 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6008 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6009 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6010 msched-in-control-spec, msched-ldc, msched-control-ldc,
6011 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6012 msched-prefer-non-control-spec-insns,
6013 msched-count-spec-in-critical-path): New flags to tune speculative
6015 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6016 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6017 msched-in-control-spec, msched-ldc, msched-control-ldc,
6018 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6019 msched-prefer-non-control-spec-insns,
6020 msched-count-spec-in-critical-path): Document new flags.
6022 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6024 * target.h (struct spec_info_def): New opaque declaration.
6025 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6026 speculate_insn, needs_block_p, gen_check,
6027 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6028 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6029 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6030 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6031 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6032 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6034 (TARGET_SCHED): Use new macros.
6035 * rtl.h (copy_DEPS_LIST_list): New prototype.
6036 * sched-int.h (struct sched_info): Change signature of new_ready field,
6037 adjust all initializations. New fields: add_remove_insn,
6038 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6039 region_head_or_leaf_p.
6040 (struct spec_info_def): New structure declaration.
6041 (spec_info_t): New typedef.
6042 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6043 recovery_block, orig_pat.
6044 (glat_start, glat_end): New variables declaraions.
6045 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6047 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6048 DETACH_LIFE_INFO, USE_GLAT.
6049 (enum SPEC_SCHED_FLAGS): New enumeration.
6050 (NOTE_NOTE_BB_P): New macro.
6051 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6052 attach_life_info, debug_spec_status, check_reg_live): New functions.
6053 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6054 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6056 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6057 * ddg.c (get_block_head_tail): Adjust all uses.
6058 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6059 (sms_sched_info): Initialize new fields.
6060 (contributes_to_priority): Removed.
6061 * haifa-sched.c (params.h): New include.
6062 (get_block_head_tail): Adjust all uses.
6063 (ISSUE_POINTS): New macro.
6064 (glat_start, glat_end): New global variables.
6065 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6066 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6067 old_last_basic_block, before_recovery, current_sched_info_var,
6068 rgn_n_insns, luid): New static variables.
6069 (insn_cost1): New function. Move logic from insn_cost to here.
6070 (find_insn_reg_weight1): New function. Move logic from
6071 find_insn_reg_weight to here.
6072 (reemit_notes, move_insn, max_issue): Change signature.
6073 (move_insn1): Removed.
6074 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6075 extend_bb): New static functions to support extension of scheduler's
6077 (generate_recovery_code, process_insn_depend_be_in_spec,
6078 begin_speculative_block, add_to_speculative_block,
6079 init_before_recovery, create_recovery_block, create_check_block_twin,
6080 fix_recovery_deps): New static functions to support
6081 generation of recovery code.
6082 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6083 restore_bb_notes, move_block_after_check, move_succs): New static
6084 functions to support ebb scheduling.
6085 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6086 functions to support handling of register live information.
6087 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6088 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6089 add_jump_dependencies): New static functions.
6090 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6091 consistancy checking.
6092 (debug_spec_status): New function to call from debugger.
6093 (priority): Added code to handle speculation checks.
6094 (rank_for_schedule): Added code to distinguish speculative instructions.
6095 (schedule_insn): Added code to handle speculation checks.
6096 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6097 Fixed to handle ebbs.
6098 (move_insn): Added code to handle ebb scheduling.
6099 (max_issue): Added code to use ISSUE_POINTS of instructions.
6100 (choose_ready): Added code to choose between speculative and
6101 non-speculative instructions.
6102 (schedule_block): Added code to handle ebb scheduling and scheduling of
6103 speculative instructions.
6104 (sched_init): Initialize new variables.
6105 (sched_finish): Free new variables. Print statistics.
6106 (try_ready): Added code to handle speculative instructions.
6107 * lists.c (copy_DEPS_LIST_list): New function.
6108 * sched-deps.c (extend_dependency_caches): New function. Move logic
6109 from create_dependency_caches to here.
6110 (get_dep_weak, ds_merge): Make global.
6111 * genattr.c (main): Code to output prototype for
6112 dfa_clear_single_insn_cache.
6113 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6114 (output_dfa_clean_insn_cache_func): Code to output
6115 dfa_clear_single_insn_cache function.
6116 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6118 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6120 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6121 New static variables.
6122 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6123 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6125 (ebb_sched_info): Initialize new fields.
6126 (get_block_head_tail): Adjust all uses.
6127 (compute_jump_reg_dependencies): Fixed to use glat_start.
6128 (schedule_ebb): Code to remove unreachable last block.
6129 (schedule_ebbs): Added code to update register live information.
6130 * sched-rgn.c (region_sched_info): Initialize new fields.
6131 (get_block_head_tail): Adjust all uses.
6132 (last_was_jump): Removed. Adjust users.
6133 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6134 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6135 Implement new hooks.
6136 (check_dead_notes1): New static function.
6137 (struct region): New fields: dont_calc_deps, has_real_ebb.
6138 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6139 (BB_TO_BLOCK): Fixed to handle EBBs.
6140 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6141 (ebb_head): New static variable.
6142 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6143 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6145 (compute_dom_prob_ps): New assertion.
6146 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6147 global_live_at_start.
6148 (init_ready_list): New assertions.
6149 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6150 (new_ready): Add support for BEGIN_CONTROL speculation.
6151 (schedule_insns): Fixed code that updates register live information
6153 (schedule_region): Fixed to handle EBBs.
6154 (init_regions): Use extend_regions and check_dead_notes1.
6155 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6156 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6157 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6158 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6159 TARGET_SCHED_GEN_CHECK,
6160 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6161 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6162 * doc/invoke.texi (max-sched-insn-conflict-delay,
6163 sched-spec-prob-cutoff): Document.
6165 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6167 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6168 inter_tick, queue_index.
6169 (struct sched_info): Change signature of init_ready_list field.
6170 Adjust all initializations.
6171 (RESOLVED_DEPS): New access macro.
6172 (ready_add): Remove prototype.
6173 (try_ready): Add prototype.
6174 * sched-rgn.c (init_ready_list): Use try_ready.
6175 (schedule_region): Initialize
6176 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6177 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6178 (init_ready_list): Use try_ready.
6179 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6180 * lists.c (remove_list_elem): Remove `static'.
6181 (remove_free_INSN_LIST_elem): New function.
6182 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6183 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6184 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6186 (readyp): New variable.
6187 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6188 change_queue_index, resolve_dep): New static functions.
6189 (try_ready): New function. Adjust callers in sched-rgn.c and
6190 sched-ebb.c to use it instead of ready_add.
6191 (clock_var): Move at the begining of file.
6192 (rank_for_schedule): Fix typo.
6193 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6194 (ready_lastpos): Enforce assertion.
6195 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6197 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6198 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6199 (queue_to_ready): Use free_INSN_LIST_list.
6200 (early_queue_to_ready): Fix typo.
6201 (schedule_block): Init readyp. Move init_ready_list call after the
6202 initialization of clock_var. Fix error in rejecting insn by
6203 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6204 that previously corrected INSN_TICKs. Add code for handling
6206 (set_priorities): Fix typo.
6207 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6208 Clarify comment and code that keeps current_sched_info->next_tail
6211 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6213 * sched-rgn.c (extend_rgns): New static function.
6214 (find_rgns): Use it.
6215 (gather_region_statistics, print_region_statistics): New static
6217 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6218 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6220 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6221 Andrey Belevantsev <abel@ispras.ru>
6223 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6224 * lists.c (unused_deps_list): New variable.
6225 (free_list): Add assertions to verify the proper distinguishing
6226 between INSN_LISTs and DEPS_LISTs.
6227 (find_list_elem, remove_list_elem, remove_list_node): New static
6229 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6230 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6231 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6232 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6234 (free_INSN_LIST_node): Likewise.
6235 * modulo-sched.c (current_sched_info): Initialize flags field.
6236 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6237 * rtl.def (DEPS_LIST): Define.
6238 * rtl.h: Declare new functions from lists.c.
6239 * sched-deps.c (spec_dependency_cache): New static variable.
6240 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6241 (add_dependence): Change return type to void. Move the logic to ...
6242 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6243 (delete_all_dependences): Add comment about forward_dependency_cache.
6244 Handle spec_dependency_cache. Handle DEPS_LISTs.
6245 (fixup_sched_groups): Clarify the change of priority of output
6246 and anti dependencies.
6247 (sched_analyze_2): Adjust add_dependence calls to create data
6248 speculative dependence.
6249 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6250 Adjust all callers. Handle DEPS_LISTS.
6251 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6252 presence of speculation.
6253 (init_dependency_caches, free_dependency_caches):
6254 Handle spec_dependency_cache.
6255 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6256 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6257 New static functions.
6258 (add_or_update_back_dep, add_or_update_back_forw_dep,
6259 add_back_forw_dep, delete_back_forw_dep): New functions.
6260 * sched-int.h (ds_t, dw_t): New typedefs.
6261 (struct sched_info): Add new field flags.
6262 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6263 Prototype new sched-deps.c functions.
6264 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6265 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6266 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6267 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6268 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6269 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6271 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6273 * sched-rgn.c (current_sched_info): Initialize flags field.
6274 (schedule_insns): Initialize current_sched_info before the sched_init
6276 * sched-ebb.c (current_sched_info): Initialize flags field.
6277 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6278 Call add_or_update_back_dep instead of add_dependence.
6279 Create control speculative dependencies.
6280 (schedule_insns): Initialize current_sched_info before the sched_init
6283 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6285 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6287 (sh_fallback_frame_state): Likewise.
6289 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6291 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6292 Do switch on default_use_cxa_atexit.
6293 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6294 * config/darwin-crt3.o: New.
6295 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6296 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6297 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6299 * config/rs6000/t-darwin: Move crt2.o building to here.
6300 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6301 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6304 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6306 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6307 from '! xxx' to '!xxx' for coding-style conformance.
6308 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6309 (EXTRA_CONSTRAINT): Likewise.
6310 * config/vax/vax.md (four unnamed insns): Likewise.
6312 2006-03-15 Paul Brook <paul@codesourcery.com>
6314 * config/arm/arm.c (minipool_pad): New.
6315 (add_minipool_forward_ref): Include pool alignment padding in address
6317 (push_minipool_fix): Set minipool_pad.
6318 (minipool_pad): Ditto.
6320 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6322 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6323 instead of GET_CODE() == MEM and REG_P() instead of
6325 (print_operand_address): Likewise.
6326 (vax_address_cost): Likewise.
6327 (vax_rtx_costs): Likewise.
6328 (vax_notice_update_cc): Likewise.
6329 (vax_output_int_add): Likewise.
6330 (INDEX_REGISTER_P): Likewise.
6331 (BASE_REGISTER_P): Likewise.
6332 (nonindexed_address_p): Likewise.
6333 (vax_mode_dependent_address_p): Likewise.
6334 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6335 (PRINT_OPERAND): Likewise.
6336 * config/vax/vax.md (ashlsi3): Likewise.
6337 (ashlsi3): Likewise.
6338 (some more unnamed insns): Likewise.
6340 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6342 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6343 iterator-style macro.
6344 (mark_control_dependent_edges_necessary): Update the use of
6345 EXECUTE_IF_CONTROL_DEPENDENT.
6347 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6349 * config/sh/predicates.md (cache_address_operand): Special.
6350 (ua_address_operand): Likewise.
6352 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6354 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6356 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6358 2006-03-15 Andreas Schwab <schwab@suse.de>
6360 * gensupport.c (identify_predicable_attribute): Don't free p_false
6361 when it is still in use.
6363 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6365 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6366 the default setting here.
6368 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6370 * tree-pass.h (pass_cfg): Remove.
6371 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6372 * passes.c (pass_cfg): Don't run it.
6374 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6376 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6377 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6379 (stack_regs_mentioned): Update the uses of
6380 stack_regs_mentioned_data. Don't access the array beyond its
6382 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6383 Don't include gt-reg-stack.h.
6385 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6386 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6388 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6391 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6394 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6396 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6398 2006-03-14 Richard Guenther <rguenther@suse.de>
6400 PR tree-optimization/26672
6401 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6404 2006-03-14 Richard Guenther <rguenther@suse.de>
6406 PR tree-optimization/26667
6407 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6408 node for the callees. Always allow inlining if it will shrink
6411 2006-03-14 Richard Guenther <rguenther@suse.de>
6414 * builtins.c (get_pointer_alignment): Prefer alignment
6415 information from decls over that from types.
6417 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6420 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6422 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6424 * config/rs6000/rs6000.opt (mdlmzb): New option.
6425 (msched-prolog, msched-epilog): Use Var not Mask.
6426 * doc/invoke.texi (-mdlmzb): Document.
6427 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6429 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6430 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6432 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6434 PR rtl-optimization/25739
6435 * bt-load.c (augment_live_range): Free tos pointer.
6437 * gensupport.c (identify_predicable_attribute): Free
6439 * gcov.c (create_file_names): Free name pointer.
6441 2006-03-13 Roger Sayle <roger@eyesopen.com>
6444 * stmt.c (emit_case_nodes): Handle the case where the index is a
6445 CONST_INT, where the comparison mode is specified by the index type.
6447 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6449 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6452 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6454 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6455 (*branch_fp_inverted): Likewise.
6457 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6460 * omp-low.c (expand_omp_for_generic): Mark istart0
6461 and iend0 as addressable.
6463 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6465 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6467 2006-03-13 Jeff Law <law@redhat.com>
6469 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6470 virtual operands are interesting.
6471 (vrp_visit_stmt): Corresponding changes.
6473 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6475 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6477 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6478 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6479 * config/bfin/crti.S: Use it instead of __PIC__.
6480 * config/bfin/crtn.S: Likewise.
6482 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6483 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6485 Lose 'G' modifier for call operand.
6486 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6487 recognize 'G' modifier.
6489 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6492 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6493 * stmt.c (expand_case): Likewise.
6495 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6497 PR rtl-optimization/26254
6498 * loop-invariant.c (seq_insns_valid_p): New function.
6499 (move_invariant_reg): Only emit new code if it is valid.
6501 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6503 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6505 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6506 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6507 (commit_one_edge_insertion): Do not look for loop notes.
6509 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6511 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6512 flag_test_coverage out of loop.
6514 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6516 * final.c (shorten_branches): Remove outdated comment, and turn
6517 the if branch that guards it to continue.
6519 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6521 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6522 * cfgloop.h (struct loop): Remove unused fields.
6524 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6526 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6527 (-dL, -fdump-rtl-loop2): Update the dump file names
6529 * doc/invoke.texi: Update dump file names.
6531 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6533 * predict.c (estimate_probability): Remove.
6534 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6535 * basic-block.h (estimate_probability): Remove prototype.
6536 * passes.c (finish_optimization_passes): Dump branch prediction or
6537 profiling heuristics to the .profile tree dump.
6538 (init_optimization_passes): Unqueue pass_branch_prob.
6540 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6542 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6544 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6545 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6547 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6549 * function.h (frame_offset_overflow): Declare.
6550 * function.c (frame_offset_overflow): New function.
6551 (assign_stack_local_1): Call it to detect that the offset overflows.
6552 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6554 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6556 * config/sh/sh.c: Include alloc-pool.h.
6557 (label_ref_list_pool): New alloc pool.
6558 (label_ref_list_t): New type for lists of labels.
6559 (struct pool_node): Make wend a label_ref_list_t.
6560 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6562 (dump_table): Likewise.
6563 (sh_reorg): Set up the alloc pool before using add_constant and
6564 dump_table, and destroy it when finishing.
6566 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6568 * config/mips/mips.c: Remove redundant comment.
6570 2006-03-10 Jason Merrill <jason@redhat.com>
6573 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6574 the target was declared 'register'.
6576 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6578 * genpreds.c (write_insn_constraint_len): Change definition of
6579 insn_constraint_len to return size_t to match the declaration.
6581 2006-03-10 DJ Delorie <dj@redhat.com>
6583 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6585 (m32c_expand_insv): Fix test for an AND mask.
6587 2006-03-10 Richard Guenther <rguenther@suse.de>
6590 * builtins.c (get_pointer_alignment): Handle component
6591 references for field alignment.
6593 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6595 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6596 when building with libgloss.
6597 (sh*elf): Implement --without-fp option.
6598 (sh64-superh-linux*): Don't multilib.
6600 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6602 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6604 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6606 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6607 Set it when one of the replacement functions returned true.
6608 Return TODO_cleanup_cfg if cfgchanged is true.
6609 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6611 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6613 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6614 instead of gen_lowpart.
6616 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6618 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6620 (mips_output_order_conditional_branch): Declare.
6621 * config/mips/mips.h (MIPS_BRANCH): New macro.
6622 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6623 for the comparison. Use gen_condjump.
6624 (mips_output_conditional_branch): Rework interface to take the
6625 asm templates for a direct branch and the inverse of a direct branch.
6626 (mips_output_order_conditional_branch): New function.
6627 (mips_builtin_branch_and_move): New function.
6628 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6629 branch condition. Use gen_single_cc as the condition for
6630 __builtin_mips_upper_* or __builtin_mips_lower_*.
6631 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6632 Use VOIDmode for the branch condition.
6633 * config/mips/predicates.md (order_operator): New predicate.
6634 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6635 (branch_fp): Rename to...
6636 (*branch_fp): ...this. Remove mode from comparison operator.
6637 Use new mips_output_conditional_branch interface.
6638 (branch_fp_inverted): Rename to...
6639 (*branch_fp_inverted): ...this and update as for *branch_fp.
6640 (*branch_zero<mode>): Rename to...
6641 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6642 Use mips_output_order_conditional_branch. Only accept ordered
6644 (*branch_zero<mode>_inverted): Rename to...
6645 (*branch_order<mode>_inverted): ...this and update as for
6646 *branch_order<mode>.
6647 (*branch_equality<mode>): Accept zero as the second operand to
6648 the equality operator. Use the new mips_output_conditional_branch
6650 (*branch_equality<mode>_inverted): Likewise.
6651 (condjump): New expander.
6652 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6654 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6655 (bc1any2t, bc1any2f): Likewise.
6656 (single_cc): New expander.
6657 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6659 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6661 * doc/md.texi: Update documentation of MIPS constraints.
6662 * config/mips/constraints.md: New file.
6663 * config/mips/mips.md: Include it.
6664 * config/mips/mips.c (mips_char_to_class): Delete.
6665 (override_options): Don't initialize mips_char_to_class.
6666 * config/mips/mips.h (mips_char_to_class): Delete.
6667 (REG_CLASS_FROM_LETTER): Delete.
6668 (CONST_OK_FOR_LETTER_P): Delete.
6669 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6670 (EXTRA_CONSTRAINT_Y): Delete.
6671 (EXTRA_CONSTRAINT_STR): Delete.
6672 (CONSTRAINT_LEN): Delete.
6673 (EXTRA_MEMORY_CONSTRAINT): Delete.
6675 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6677 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6678 original fn's eh regions.
6680 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6682 * fold-const.c (build_range_check): Make sure to use a valid type to
6683 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6686 (range_predecessor): New static function.
6687 (range_successor): Likewise.
6688 (merge_ranges): Use them to compute predecessors and successors of
6691 2006-03-09 Roger Sayle <roger@eyesopen.com>
6694 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6695 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6697 2006-03-08 DJ Delorie <dj@redhat.com>
6699 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6700 (addpsi3): Expand to include memory operands. Remove
6701 reload-specific splits.
6702 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6703 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6704 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6705 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6706 (shift1_qi, shift1_hi, insv): New.
6707 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6708 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6709 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6711 * config/m32c/m32c-protos.h: Update as needed.
6712 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6713 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6714 Fail for unrecognized R* constraints.
6715 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6716 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6717 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6719 (m32c_init_libfuncs): New.
6720 (m32c_legitimate_address_p): Add debug wrapper.
6721 (m32c_rtx_costs): New.
6722 (m32c_address_cost): New.
6723 (conversions): Add 'B' prefix.
6724 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6725 operands, or word regnames for QI operands. 'B' prints bit
6727 (m32c_expand_setmemhi): New.
6728 (m32c_expand_movmemhi): New.
6729 (m32c_expand_movstr): New.
6730 (m32c_expand_cmpstr): New.
6731 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6732 (m32c_expand_neg_mulpsi3): Handle non-ints.
6733 (m32c_cmp_flg_0): New.
6734 (m32c_expand_movcc): New.
6735 (m32c_expand_insv): New.
6736 (m32c_scc_pattern): New.
6737 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6738 a0/a1 out of SIregs.
6739 (STORE_FLAG_VALUE): New.
6740 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6743 * config/m32c/mov.md: Make constraints more liberal.
6744 (zero_extendqihi2): Optimize r0/r1 case.
6745 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6746 * config/m32c/predicates.md (m32c_any_operand): New.
6747 (m32c_nonimmediate_operand): New.
6748 (m32c_hl_operand): New.
6749 (m32c_r3_operand): New.
6752 (memsym_operand): New.
6753 (memimmed_operand): New.
6754 (a_qi_operand): New.
6755 (m32c_eqne_operator): New.
6756 (m32c_1bit8_operand): New.
6757 (m32c_1bit16_operand): New.
6758 (m32c_1mask8_operand): New.
6759 (m32c_1mask16_operand): New.
6760 * config/m32c/blkmov.md: New file.
6761 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6763 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6765 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6766 unsigned to fix signed/unsigned comparison issue in
6767 DWARF2_FRAME_REG_OUT.
6768 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6769 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6771 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6772 of ptr into the ENABLE_CHECKING section.
6774 2006-03-08 Jeff Law <law@redhat.com>
6776 * tree-vrp.c (infer_value_range): Only count pointer uses
6777 and dereferences if -fdelete-null-pointer-checks is enabled.
6779 * tree-vrp.c (find_assert_locations): Infer value ranges for
6780 single use pointers, but do not create ASSERT_EXPRs for them.
6781 When a non-null range is inferred for a pointer, backwards
6782 propagate that range to other equivalent pointers through the
6785 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6788 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6789 language hook targets.
6790 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6791 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6792 if language hook targets were missing.
6794 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6796 * tree-ssa-opfinalize.h: Removed.
6797 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6799 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6800 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6801 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6802 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6803 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6804 finalize_ssa_v_must_def_ops): New.
6806 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6808 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6811 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6813 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6815 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6816 addresses with offsets; reorganize.
6818 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6819 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6820 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6822 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6825 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6827 2006-03-08 Ben Elliston <bje@au.ibm.com>
6829 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6831 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6834 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6837 2006-03-07 Richard Guenther <rguenther@suse.de>
6839 PR tree-optimization/26587
6840 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6842 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6844 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6846 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6848 * hooks.c (hook_bool_mode_rtx_true): New function.
6849 * hooks.h (hook_bool_mode_rtx_true): Declare.
6850 * toplev.c (compile_file): Call output_shared_constant_pool.
6851 * varasm.c (shared_constant_pool): New variable.
6852 (assemble_start_function, assemble_end_function): Remove arguments
6853 from call to output_constant_pool.
6854 (create_constant_pool): New function, split out from...
6855 (init_varasm_status): ...here.
6856 (force_const_mem): Choose between the shared and per-function constant
6857 pools. Set current_function_uses_const_pool when reusing old entries
6858 as well as when creating new ones.
6859 (mark_constant): Ignore data argument.
6860 (mark_constants): Remove pool argument.
6861 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6862 to decide whether the function uses a constant pool.
6863 (output_constant_pool_contents): New function, split out from...
6864 (output_constant_pool): ...here.
6865 (output_shared_constant_pool): New function.
6866 (init_varasm_once): Initialize shared_constant_pool.
6867 * output.h (output_constant_pool): Delete.
6868 (output_shared_constant_pool): Declare.
6869 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6870 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6872 2006-03-06 Nick Clifton <nickc@redhat.com>
6874 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6875 flag_strength_reduce.
6877 2006-03-06 Ben Elliston <bje@au.ibm.com>
6879 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6880 x86_64-*-linux* configurations.
6882 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6883 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6885 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6887 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6889 * basic-block.h: Remove the extern for
6890 rediscover_loops_after_threading.
6892 * cfgloop.c (cancel_loop): Make it static.
6893 * cfgloop.h: Remove the prototype for cancel_loop.
6895 * flow.c (recompute_reg_usage): Make it static.
6896 * rtl.h: Remove the prototype for recompute_reg_usage.
6898 * function.c (use_return_register): Make it static.
6899 * function.h: Remove the prototype.
6901 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6903 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6905 * recog.h: Remove the prototype for
6906 validate_change_maybe_volatile.
6908 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6910 * rtlanal.c (replace_reg): Remove.
6911 * rtl.h: Remove the prototype for replace_reg.
6913 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6915 * regclass.c (reg_scan_update): Remove.
6916 (reg_scan_mark_refs): Remove the last argument.
6917 * rtl.h: Remove the prototype for reg_scan_update.
6919 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6921 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6922 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6923 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6924 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6925 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6926 loop-invariant.c, omp-low.c, opts.c, passes.c,
6927 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6928 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6929 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6930 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6931 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6932 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6934 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6936 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6937 * dwarf2out.h: Remove the prototype for
6938 dwarf2out_add_library_unit_info.
6940 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6942 * tree.c (add_var_to_bind_expr): Remove.
6943 * tree.h: Remove the prototype for add_var_to_bind_expr.
6945 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6947 * regclass.c (n_non_fixed_regs): Remove.
6948 (init_reg_sets_1, globalize_reg): Remove all uses of
6950 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6952 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6954 * rtlanal.c (insns_safe_to_move_p): Remove.
6955 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6957 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6959 * expmed.c (expand_mult_add): Remove.
6960 * expr.h: Remove the prototype for expand_mult_add.
6962 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6964 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6965 and REG_SAVED_VAL_EXP constants.
6966 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6967 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6968 Handle regs stored by value.
6969 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6970 (execute_cfa_program): Handle DW_CFA_val_offset,
6971 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6972 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6973 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6974 (uw_install_context_1): Handle target regs stored by value.
6976 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6978 * tree-sra.c (tree_sra): Return todoflags;
6979 (generate_one_element): Set TODO_update_smt_usage if needed.
6980 (pass_sra): Remove TODO_update_smt_usage.
6981 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6983 (tree_ssa_forward_propagate_single_use_vars): Return
6984 TODO_update_smt_usage if we need to update SMT usage.
6985 (pass_forwprop): Remove TODO_update_smt_usage.
6987 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6989 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6990 (correct_use_link): Remove reference to get_stmt_operands.
6991 (update_stmt_operands): Likewise.
6992 (get_modify_expr_operands): New function factored out of
6993 parse_ssa_operands and get_expr_operands.
6994 Try to create V_MUST_DEFs for LHS by default.
6995 (get_expr_operands) <case MODIFY_EXPR>: Call
6996 get_modify_expr_operands.
6997 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6998 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6999 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7000 get_modify_expr_operands.
7002 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7004 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7005 * tree-flow.h: Remove the prototype for
7006 referenced_var_lookup_if_exists.
7008 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7010 PR rtl-optimization/26345
7012 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7014 2006-03-03 Roger Sayle <roger@eyesopen.com>
7016 PR tree-optimization/26524
7017 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7018 fold_convert to create a constant of the appropriate type.
7020 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7022 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7023 SYMBOL_REF_IN_BLOCK_P.
7024 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7025 of SYMBOL_FLAG_IN_BLOCK.
7026 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7027 instead of SYMBOL_REF_IN_BLOCK_P.
7028 * explow.c (use_anchored_address): Likewise.
7029 * rtl.c (rtx_size): Likewise.
7030 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7031 instead of SYMBOL_FLAG_IN_BLOCK.
7032 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7033 SYMBOL_REF_IN_BLOCK_P.
7034 (assemble_variable): Likewise.
7035 (output_constant_def_contents): Likewise.
7036 (output_constant_pool): Likewise.
7037 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7038 instead of SYMBOL_FLAG_IN_BLOCK.
7039 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7040 SYMBOL_REF_IN_BLOCK_P.
7041 (SYMBOL_REF_BLOCK): Likewise.
7042 (SYMBOL_REF_OFFSET): Likewise.
7043 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7044 SYMBOL_REF_IN_BLOCK_P.
7045 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7046 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7047 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7048 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7050 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7052 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7054 2006-03-02 Roger Sayle <roger@eyesopen.com>
7056 * simplify-rtx.c (simplify_unary_operation): When simplifying
7057 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7058 that we perform the right shift in the appropriate mode, and
7059 then extend or truncate the result to requested mode.
7061 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7063 * gengtype.c (main): Handle double_int type.
7064 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7065 * double-int.c: New file.
7066 * double-int.h: New file.
7067 * system.h: Include doubleint.h.
7068 * Makefile.in (SYSTEM_H): Include double-int.h.
7069 (double-int.o): Add.
7071 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7074 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7077 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7079 * tree-vrp.c (remove_range_assertions): Do not update statements
7082 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7084 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7086 * gcse.c (rest_of_handle_gcse): Ditto.
7087 * except.c (gate_handle_eh): Ditto.
7088 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7089 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7091 2006-03-02 Eric Christopher <echristo@apple.com>
7093 * config/i386/i386.c (machopic_output_stub): Add indirection to
7096 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7100 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7102 Sun Niagara specific optimizations.
7103 * config.gcc: Recognize niagara as target.
7104 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7105 (TARGET_CPU_niagara): Define.
7106 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7107 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7108 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7109 (ASM_CPU_SPEC): Likewise.
7110 (PROCESSOR_NIAGARA): New enum entry.
7111 (REGISTER_MOVE_COST): Handle Niagara.
7112 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7113 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7114 (sparc_override_options): Recognize "niagara", set appropriate
7115 default MASK_* values for it, and align functions to 32-bytes
7116 by default just like ULTRASPARC/ULTRASPARC3.
7117 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7118 (sparc64_initialize_trampoline): Likewise.
7119 (sparc_use_sched_lookahead): Use zero for niagara.
7120 (sparc_issue_rate): Use one for niagara.
7121 * config/sparc/niagara.md: New file.
7122 * config/sparc/sparc.md: Include it.
7123 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7124 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7125 when default cpu is niagara.
7126 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7127 (ASM_CPU_SPEC): Likewise.
7128 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7129 when default cpu is niagara.
7130 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7131 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7132 just like v9/ultrasparc/ultrasparc3.
7133 * doc/invoke.texi: Add documentation for "niagara" and improve
7134 existing documentation for ultrasparc variants.
7136 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7138 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7140 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7142 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7143 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7144 and say that only one is needed.
7145 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7146 * target.h (have_switchable_bss_sections): New hook.
7147 * explow.c (use_anchored_address): Check that the symbol is in a block.
7148 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7149 (bss_noswitch_section): New variables.
7150 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7151 (get_noswitch_section): New function.
7152 (get_block_for_section): Allow SECT to be null.
7153 (unlikely_text_section_p): Use SECTION_STYLE.
7154 (bss_initializer_p): New function.
7155 (get_variable_section): Move earlier in file. Take a new argument,
7156 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7157 Return one of the new *_sections in such cases.
7158 (get_block_for_decl): New function, extracting some logic from
7159 use_blocks_for_decl_p.
7160 (change_symbol_section): Remove in favor of...
7161 (change_symbol_block): ...this new function.
7162 (use_blocks_for_decl_p): Remove checks now performed by
7164 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7165 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7166 (emit_local, emit_bss, emit_common): ...these new functions.
7167 Return true if the alignment was honored.
7168 (emit_tls_common): New function.
7169 (asm_emit_uninitialised): Delete.
7170 (assemble_variable_noswitch): New function, split out from...
7171 (assemble_variable): ...here. Don't make decisions about common
7172 variables here. Globalize all public decls that go into non-common
7173 sections. Check whether SYMBOL_REF_BLOCK is null.
7174 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7175 (output_constant_pool): Likewise.
7176 (init_varasm_once): Initialize the new section variables.
7177 (have_global_bss_p): New function.
7178 (categorize_decl_for_section): Use bss_initializer_p.
7179 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7180 (place_block_symbol): Assert that the symbol must be in a block.
7181 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7182 (TARGET_INITIALIZER): Include it.
7183 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7184 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7185 (SECTION_MACH_DEP): Bump by two.
7186 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7187 (unnamed_section): Mention SECTION_UNNAMED in comment.
7188 (named_section): Likewise SECTION_NAMED.
7189 (noswitch_section_callback): New type.
7190 (noswitch_section): New structure.
7191 (section): Add a noswitch_section alternative.
7192 (SECTION_STYLE): New macro.
7193 (tls_comm_section, comm_section, lcomm_section): Declare.
7194 (bss_noswitch_section, have_global_bss_p): Declare.
7195 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7196 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7198 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7199 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7202 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7204 * tree-vrp.c (execute_vrp): Return value.
7205 * regrename.c (rest_of_handle_regrename): Ditto.
7206 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7207 * tree-complex.c (tree_lower_complex): Ditto.
7208 (tree_lower_complex_O0): Ditto.
7209 * tracer.c (rest_of_handle_tracer): Ditto.
7210 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7211 * postreload.c (rest_of_handle_postreload): Ditto.
7212 * tree-tailcall.c (execute_tail_recursion): Ditto.
7213 (execute_tail_calls): Ditto.
7214 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7215 * tree.h (init_function_for_compilation): Ditto.
7216 * ipa-cp.c (ipcp_driver): Ditto.
7217 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7218 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7219 * final.c (compute_alignments): Ditto.
7220 (rest_of_handle_final): Ditto.
7221 (rest_of_handle_shorten_branches): Ditto.
7222 (rest_of_clean_state): Ditto.
7223 * omp-low.c (execute_expand_omp): Ditto.
7224 (execute_lower_omp): Ditto.
7225 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7226 * ipa-reference.c (static_execute): Ditto.
7227 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7228 * reorg.c (rest_of_handle_delay_slots): Ditto.
7229 (rest_of_handle_machine_reorg): Ditto.
7230 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7231 * flow.c (recompute_reg_usage): Ditto.
7232 (rest_of_handle_remove_death_notes): Ditto.
7233 (rest_of_handle_life): Ditto.
7234 (rest_of_handle_flow2): Ditto.
7235 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7236 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7237 (do_ssa_store_ccp): Ditto.
7238 (execute_fold_all_builtins): Ditto.
7239 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7240 * modulo-sched.c (rest_of_handle_sms): Ditto.
7241 * ipa-pure-const.c (static_execute): Ditto.
7242 * cse.c (rest_of_handle_cse): Ditto.
7243 (rest_of_handle_cse2): Ditto.
7244 * web.c (rest_of_handle_web): Ditto.
7245 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7246 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7247 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7248 * tree-nrv.c (tree_nrv): Ditto.
7249 (execute_return_slot_opt): Ditto.
7250 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7251 (create_structure_vars): Ditto.
7252 * loop-init.c (rtl_loop_init): Ditto.
7253 (rtl_loop_done): Ditto.
7254 (rtl_move_loop_invariants): Ditto.
7255 (rtl_unswitch): Ditto.
7256 (rtl_unroll_and_peel_loops): Ditto.
7257 (rtl_doloop): Ditto.
7258 * gimple-low.c (lower_function_body): Ditto.
7259 (mark_used_blocks): Ditto.
7260 * tree-ssa-sink.c (execute_sink_code): Ditto.
7261 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7262 (cgraph_early_inlining): Ditto.
7263 * global.c (rest_of_handle_global_alloc): Ditto.
7264 * jump.c (cleanup_barriers): Ditto.
7265 (purge_line_number_notes): Ditto.
7266 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7267 (rest_of_handle_if_after_reload): Ditto.
7268 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7269 (tree_ssa_loop_im): Ditto.
7270 (tree_ssa_loop_unswitch): Ditto.
7271 (tree_vectorize): Ditto.
7272 (tree_linear_transform): Ditto.
7273 (tree_ssa_loop_ivcanon): Ditto.
7274 (tree_ssa_empty_loop): Ditto.
7275 (tree_ssa_loop_bounds): Ditto.
7276 (tree_complete_unroll): Ditto.
7277 (tree_ssa_loop_prefetch): Ditto.
7278 (tree_ssa_loop_ivopts): Ditto.
7279 (tree_ssa_loop_done): Ditto.
7280 * predict.c (tree_estimate_probability): Ditto.
7281 * recog.c (split_all_insns_noflow): Ditto.
7282 (rest_of_handle_peephole2): Ditto.
7283 (rest_of_handle_split_all_insns): Ditto.
7284 * tree-eh.c (lower_eh_constructs): Ditto.
7285 * regmove.c (rest_of_handle_regmove): Ditto.
7286 (rest_of_handle_stack_adjustments): Ditto.
7287 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7288 * function.c (instantiate_virtual_regs): Ditto.
7289 (init_function_for_compilation): Ditto.
7290 (rest_of_handle_check_leaf_regs): Ditto.
7291 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7292 (rest_of_handle_gcse): Ditto.
7293 * ipa-type-escape.c (type_escape_execute): Ditto.
7294 * alias.c (rest_of_handle_cfg): Ditto.
7295 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7296 * profile.c (rest_of_handle_branch_prob): Ditto.
7297 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7298 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7299 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7300 * tree-dfa.c (find_referenced_vars): Ditto.
7301 * except.c (set_nothrow_function_flags): Ditto.
7302 (convert_to_eh_region_ranges): Ditto.
7303 (rest_of_handle_eh): Ditto.
7304 * emit-rtl.c (unshare_all_rtl): Ditto.
7305 (remove_unnecessary_notes): Ditto.
7306 * except.h (set_nothrow_function_flags): Ditto.
7307 (convert_to_eh_region_ranges): Ditto.
7308 * cfgexpand.c (tree_expand_cfg): Ditto.
7309 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7310 * tree-ssa-pre.c (do_pre): Ditto.
7311 (execute_fre): Ditto.
7312 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7313 (rest_of_handle_jump2): Ditto.
7314 * tree-sra.c (tree_sra): Ditto.
7315 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7316 (execute_mudflap_function_decls): Ditto.
7317 * tree-ssa-copy.c (do_copy_prop): Ditto.
7318 (do_store_copy_prop): Ditto.
7319 * ipa-prop.h (ipcp_driver): Ditto.
7320 * cfglayout.c (insn_locators_initialize): Ditto.
7321 * tree-ssa-forwprop.c
7322 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7323 * cfglayout.h (insn_locators_initialize): Ditto.
7324 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7325 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7326 (execute_late_warn_uninitialized): Ditto.
7327 * rtl.h (cleanup_barriers): Ditto.
7328 (split_all_insns_noflow): Ditto.
7329 (purge_line_number_notes): Ditto.
7330 (unshare_all_rtl): Ditto.
7331 (remove_unnecessary_notes): Ditto.
7332 (recompute_reg_usage): Ditto.
7333 (variable_tracking_main): Ditto.
7334 * integrate.c (emit_initial_value_sets): Ditto.
7335 * integrate.h (emit_initial_value_sets): Ditto.
7336 * tree-optimize.c (execute_free_datastructures): Ditto
7337 (execute_free_cfg_annotations): Ditto.
7338 (execute_fixup_cfg): Ditto.
7339 (execute_cleanup_cfg_pre_ipa): Ditto.
7340 (execute_cleanup_cfg_post_optimizing): Ditto.
7341 (execute_init_datastructures): Ditto.
7342 * tree-object-size.c (compute_object_sizes): Ditto.
7343 * combine.c (rest_of_handle_combine): Ditto.
7344 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7345 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7346 (rest_of_handle_reorder_blocks): Ditto.
7347 (rest_of_handle_partition_blocks): Ditto.
7348 * var-tracking.c (variable_tracking_main): Ditto.
7349 * tree-profile.c (tree_profiling): Ditto.
7350 * tree-vect-generic.c (expand_vector_operations): Ditto.
7351 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7352 * sched-rgn.c (rest_of_handle_sched): Ditto.
7353 (rest_of_handle_sched2): Ditto.
7354 * basic-block.h (free_bb_insn): Ditto.
7355 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7356 * tree-cfg.c (execute_build_cfg): Ditto.
7357 (remove_useless_stmts): Ditto.
7358 (split_critical_edges): Ditto.
7359 (execute_warn_function_return): Ditto.
7360 (execute_warn_function_noreturn): Ditto.
7361 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7362 * cfgrtl.c (free_bb_for_insn): Ditto.
7363 * passes.c (execute_one_pass): Run additional
7364 todos returned by execute function.
7365 * tree-pass.h (struct tree_opt_pass): Make execute
7368 2006-03-02 Richard Guenther <rguenther@suse.de>
7370 * tree-ssa-alias.c (find_used_portions): Consider taking
7371 the address as making the variable not write-only.
7373 2006-03-02 Nick Clifton <nickc@redhat.com>
7375 * config.gcc (default_use_cxa_atexit): Extend the description of
7376 this configure variable. Set its default value to "yes" for
7377 Linux, NetBSD and ELF targets on the assumption that they will
7378 use C libraries with the __cxa_atexit function.
7380 2006-03-02 Ben Elliston <bje@au.ibm.com>
7382 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7383 parameter as unused to suppress a build warning.
7385 2006-03-02 Ben Elliston <bje@au.ibm.com>
7387 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7390 2006-03-01 Roger Sayle <roger@eyesopen.com>
7393 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7394 declared name, the weak reference name, and the typeof name.
7395 (__gthrw): Avoid expanding the declared name suffix.
7396 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7398 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7400 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7402 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7403 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7404 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7405 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7406 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7407 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7408 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7409 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7410 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7411 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7412 (DW_END_default, DW_END_big, DW_END_little): New.
7413 (DW_END_lo_user, DW_END_hi_user): Define.
7414 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7415 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7416 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7419 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7421 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7423 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7425 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7427 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7429 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7430 to 'symbol_mem_tag'.
7432 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7435 2006-03-01 Roger Sayle <roger@eyesopen.com>
7437 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7439 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7442 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7443 MACHO_DYNAMIC_NO_PIC_P.
7444 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7446 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7449 * config/darwin-protos.h (darwin_asm_output_anchor):
7451 * config/darwin-sections.def (cstring_section):
7452 Add SECTION_MERGE to the flags.
7453 (literal4_section): Likewise.
7454 (literal8_section): Likewise.
7455 (objc_selector_refs_section): Likewise.
7456 (objc_cls_refs_section): Likewise.
7457 * config/darwin.c (darwin_asm_output_anchor): New
7459 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7461 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7463 Fix PR tree-optimization/26443
7464 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7465 to todo and PROP_tmt_usage to properties_destroyed.
7466 * tree-ssa-ccp.c (pass_ccp): Ditto.
7467 (pass_store_ccp): Ditto.
7468 * tree-ssa-dom.c (pass_dominator): Ditto.
7470 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7472 * tree-ssa-operands.c: Cleanup whitespace.
7473 (get_asm_expr_operands): Move before first invocation.
7474 (get_indirect_ref_operands): Likewise.
7475 (get_tmr_operands): Likewise.
7476 (get_call_expr_operands): Likewise.
7477 (append_def): Likewise.
7478 (append_use): Likewise.
7479 (append_v_may_def): Likewise.
7480 (append_v_must_def): Likewise.
7481 (add_call_clobber_ops): Likewise.
7482 (add_call_read_ops): Likewise.
7483 (add_stmt_operand): Likewise.
7484 (add_virtual_operand): Likewise.
7485 (build_ssa_operands): Likewise.
7487 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7492 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7493 with a call expr to ...
7494 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7496 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7498 * tree-vrp.c (extract_range_from_assert): Remove special
7499 handling for types with super-types.
7501 2006-03-01 Ben Elliston <bje@au.ibm.com>
7503 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7504 and powerpc64-*-linux* configurations.
7505 * config/t-dfprules: New file.
7507 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7508 Compile dfp-bit.c from the source directory using -DWIDTH and
7509 $DFP_CFLAGS to control the compilation of that file, rather than
7510 generating width-specific versions in the build directory.
7511 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7512 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7514 2006-02-28 Zack Weinberg <zackw@panix.com>
7516 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7519 2006-02-28 Eric Christopher <echristo@apple.com>
7521 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7522 Set up IN_LIBGCC definition of TARGET_64BIT.
7523 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7525 2006-02-28 Roger Sayle <roger@eyesopen.com>
7528 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7529 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7530 cases via the construction of "expr != 0".
7532 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7534 * alias.c (alias_invariant, alias_invariant_size): Remove.
7535 (record_base_value): Remove.
7536 (memrefs_conflict_p): Don't look at alias_invariant.
7537 (end_alias_analysis): Don't free it.
7538 * alias.h (record_base_value): Remove prototype.
7540 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7541 Adam Nemet <anemet@caviumnetworks.com>
7543 * rtl.h (truncated_to_mode): Declare it.
7544 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7545 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7546 (RTL_HOOKS_INITIALIZER): Include it.
7547 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7548 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7549 reg_truncated_to_mode.
7550 * rtlanal.c (truncated_to_mode): Define it.
7551 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7553 2006-02-28 Jeff Law <law@redhat.com>
7555 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7556 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7557 the range allowed by TYPE_PRECISION.
7559 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7561 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7563 PR tree-optimization/26419
7564 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7567 2006-02-27 Zack Weinberg <zackw@panix.com>
7569 * doc/md.texi: Fix typo in previous change.
7571 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7575 2006-02-27 Zack Weinberg <zackw@panix.com>
7577 * rtl.def (define_constraint, define_register_constraint)
7578 (define_memory_constraint, define_address_constraint): New MD forms.
7579 * gensupport.c (process_rtx): Put define_constraint etc on the
7581 * genpreds.c (process_define_predicate): Adjust comment. Validate
7582 the name, and call validate_exp to validate the expression.
7583 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7584 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7585 all callers changed.
7586 (validate_exp, needs_variable, struct constraint_data)
7587 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7588 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7589 (const_dbl_constraints, constraint_max_namelen)
7590 (have_register_constraints, have_memory_constraints)
7591 (have_address_constraints, have_address_constraints)
7592 (have_extra_constraints, have_const_int_constraints)
7593 (have_const_dbl_constraints, mangle, add_constraint)
7594 (process_define_constraint, process_define_register_constraint)
7595 (write_enum_constraint_num, write_lookup_constraint)
7596 (write_insn_constraint_len, write_regclass_for_constraint)
7597 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7598 (write_insn_extra_memory_constraint)
7599 (write_insn_extra_address_constraint)
7600 (write_satisfies_constraint_fns): New.
7601 (write_tm_preds_h): If we have new-style constraint definitions,
7602 prototype the functions generated from them, and define the
7603 old constraint interface (still used by generic code) in terms of
7605 (write_insn_preds_c): If we have new-style constraint definitions,
7606 generate all relevant functions from those definitions.
7607 (main): Handle define_constraint etc.
7608 * genoutput.c (struct constraint_data, indep_constraints)
7609 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7610 (mdep_constraint_len): New data structures and functions, defined
7611 #ifdef USE_MD_CONSTRAINTS.
7612 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7613 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7614 use new logic to validate operand constraints against constraint
7616 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7618 * defaults.h: If none of the old-style constraint macros are
7619 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7620 old-style macros; and poison REG_CLASS_FROM_LETTER,
7621 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7623 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7624 * doc/md.texi: Document new constraint-definition mechanism and the
7625 C interface it provides. Remove references to old mechanism
7626 elsewhere in the document.
7627 (Machine Constraints): Use pathnames relative to gcc directory,
7628 i.e. config/ARCH/FILE. Change i386 section to refer to
7629 config/i386/predicates.md; update that section to match docstrings.
7630 * doc/tm.texi: Move all documentation of the old constraint-
7631 definition macros to their own section, clearly mark as obsolete.
7633 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7634 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7636 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7637 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7638 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7640 (splits and peepholes): Use satisfies_constraint_*.
7641 * config/i386/i386.c (memory_address_length)
7642 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7644 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7646 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7647 scalar operation to be put back into the loop.
7649 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7652 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7653 (extract_cie_info): Handle S flag in augmentation string.
7654 (execute_cfa_program): If context->signal_frame, execute also
7655 fs->pc == context->ra instructions.
7656 (uw_frame_state_for): If context->signal_frame, don't subtract one
7657 from context->ra to find FDE.
7658 (uw_update_context_1): Set context->signal_frame to
7660 (_Unwind_GetIPInfo): New function.
7661 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7662 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7664 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7665 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7666 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7667 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7668 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7669 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7670 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7671 x86_64_fallback_frame_state): Set fs->signal_frame.
7672 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7673 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7674 (frob_update_context): Likewise. Workaround missing S flag in
7675 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7676 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7677 Remove the psw_addr + 1 hack.
7679 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7681 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7682 with aggregates here.
7683 (find_func_aliases): Remove code for &<aggregate> from here.
7685 2006-02-26 Roger Sayle <roger@eyesopen.com>
7687 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7688 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7689 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7692 2006-02-26 Roger Sayle <roger@eyesopen.com>
7695 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7697 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7699 * opts.c (decode_options): Do not handle flag_strength_reduce.
7700 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7701 and OPT_fstrength_reduce.
7702 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7703 flag_prefetch_loop_arrays for being nonzero.
7704 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7706 (fprefetch-loop-arrays-rtl): Removed.
7707 (flag_prefetch_loop_arrays): Do not specify the value.
7709 * doc/passes.texi: Update documentation of loop optimizer
7711 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7712 -frerun-loop-opt): Remove.
7714 2006-02-26 Richard Guenther <rguenther@suse.de>
7716 PR tree-optimization/26421
7717 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7718 in function calls that are ADDR_EXPRs as using the whole structure.
7720 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7722 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7723 * tree-pass.h (pass_loop_optimize): Remove.
7724 * passes.c (pass_loop_optimize): Never run it.
7725 * toplev.c (backend_init): Don't call init_loop.
7726 * opts.c (flag_loop_optimize_set): Remove.
7727 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7728 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7729 the old RTL loop optimizer when profiling enabled.
7730 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7731 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7732 pre-headers for the sake of the old RTL loop optimizer.
7733 * Makefile.in: Remove all references to loop.o.
7735 * doc/invoke.texi: Remove all references to -floop-optimize
7736 and -frerun-loop-opt.
7738 2006-02-26 Zack Weinberg <zackw@panix.com>
7740 * doc/md.texi (Machine Constraints): Refer to all files with paths
7741 relative to gcc directory (i.e. config/CPU/file). Add missing
7742 @table @code ... @end table to M32C subsection.
7744 2006-02-26 Roger Sayle <roger@eyesopen.com>
7746 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7748 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7750 2006-02-26 Roger Sayle <roger@eyesopen.com>
7751 James A. Morrison <phython@gcc.gnu.org>
7754 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7755 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7756 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7757 signedness of the shift operation.
7759 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7761 PR tree-optimization/26359
7762 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7764 2006-02-25 Roger Sayle <roger@eyesopen.com>
7766 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7767 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7768 as X == 0, and some symmetry related transformations.
7769 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7771 2006-02-25 Roger Sayle <roger@eyesopen.com>
7774 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7775 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7776 symmetry related transformations. Fold (X^C1) == C2 as
7779 2006-02-25 Juergen Weigert <jw@suse.de>
7780 Richard Guenther <rguenther@suse.de>
7782 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7784 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7786 * combine.c (gen_lowpart_or_truncate): Call
7787 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7789 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7791 * doc/invoke.texi: Move -fopenmp description to "Options for
7793 Remove reference to -lgomp.
7795 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7797 * doc/install.texi: Require GNU tar version 1.14.
7799 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7801 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7802 * doc/invoke.texi (C++ Dialect Options): Document
7803 -fno-use-cxa-get-exception-ptr.
7804 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7805 * configure: Regenerate.
7806 * c.opt (fuse-cxa-get-exception-ptr): New.
7807 * c-opts.c (c_common_handle_option): Handle
7808 OPT_fuse_cxa_get_exception_ptr.
7809 * c-common.c (flag_use_cxa_atexit): Update documentation.
7810 (flag_use_cxa_get_exception_ptr): New.
7811 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7812 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7814 (C_COMMON_OVERRIDE_OPTIONS): New.
7816 2006-02-24 Roger Sayle <roger@eyesopen.com>
7819 * combine.c (try_combine): Explicitly check whether GET_CODE is
7820 a SET or a CLOBBER, instead on checking that it isn't a USE.
7822 2006-02-24 Roger Sayle <roger@eyesopen.com>
7824 * fold-const.c (fold_comparison): New subroutine of fold_binary
7825 containing transformations common to both the equality and
7826 ordering relational operators, factored out of fold_binary.
7827 (fold_binary): Separate out the equality operators (EQ_EXPR
7828 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7829 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7830 transformations common to both.
7831 (fold_div_compare): Fix latent bugs in the previously unreachable
7832 LT_EXPR and GE_EXPR cases.
7834 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7836 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7837 decl libname for clog to __clog on AIX.
7839 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7841 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7844 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7845 output traceback table for thunks. Localise rs6000_stack_info call.
7847 2006-02-23 Roger Sayle <roger@eyesopen.com>
7848 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7850 * gthr-posix.h (__gthrw): Fix typo in comment.
7852 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7854 * doc/cpp.texi (Character sets): Document that we do support
7855 input files to be in any character set.
7857 2006-02-23 Jeff Law <law@redhat.com>
7859 * tree.h (PHI_ARG_NONZERO): Remove.
7860 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7861 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7862 node to the new node.
7864 PR tree-optimization/26425
7865 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7866 min/max, then assume its varying.
7868 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7870 PR rtl-optimization/26316
7871 * rtlanal.c (enum may_trap_p_flags): New.
7872 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7873 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7874 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7875 (may_trap_after_code_motion_p): New function.
7876 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7877 (find_invariant_insn): Use may_trap_after_code_motion_p.
7878 * rtl.h (may_trap_after_code_motion_p): Declare.
7880 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7882 * emit-rtl.c (immed_double_const): Cleanup.
7884 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7886 Fix PR tree-optimization/26376
7887 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7890 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7893 * gimplify.c (omp_add_variable): Guard variable size decl test with
7894 DECL_SIZE (decl) check.
7896 2006-02-23 Richard Guenther <rguenther@suse.de>
7899 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7900 like aggregate types.
7902 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7904 * configure.ac: Add --with{,out}-long-double-128 configure option.
7905 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7906 * configure: Rebuilt.
7907 * config.in: Rebuilt.
7908 * doc/install.texi (Options specification): Document
7909 --with-long-double-128.
7911 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7912 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7913 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7914 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7916 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7918 * config/s390/s390.c (override_options): Handle
7919 TARGET_DEFAULT_LONG_DOUBLE_128.
7921 * config/alpha/alpha.c (override_options): Handle
7922 TARGET_DEFAULT_LONG_DOUBLE_128.
7924 * config/sparc/sparc.c (sparc_override_options): Handle
7925 TARGET_DEFAULT_LONG_DOUBLE_128.
7927 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7929 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7930 (real-install-headers-tar, real-install-headers-cpio)
7931 (real-install-headers-cp): New targets.
7933 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7935 * tree.h (variable_section): Delete.
7936 * varasm.c (variable_section): Delete.
7938 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7940 * install.texi: Add notes on install.texi2html.
7941 (Building in parallel): Do not use footnotes.
7943 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7946 * doc/install.texi (Configuration): Document --disable-libgomp.
7948 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7950 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7952 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7954 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7955 (vec_extractv2df_0_sse): New.
7957 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7959 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7960 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7961 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7962 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7963 to the result of the expression.
7964 (def_cfa_1): Adjust.
7965 (frame_pointer_cfa_offset): Rename to...
7966 (frame_pointer_fb_offset): ... this. Adjust all uses.
7967 (convert_cfa_to_loc_list): Rename to...
7968 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7969 Pass it on to build_cfa_loc.
7970 (compute_frame_pointer_to_cfa_displacement): Rename to...
7971 (compute_frame_pointer_to_fb_displacement): ... this. New
7972 offset parameter. Use it in computation.
7973 (gen_subprogram_die): Compute cfa_fb_offset with the new
7974 macro, and use it to compute the fb loc list and the
7977 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7979 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7980 replaced with register_operand.
7981 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7982 non-DREG is expensive.
7983 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7984 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7987 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7989 * doc/install.texi2html: Use set -e.
7991 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7993 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7994 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7995 * doc/invoke.texi (-fshared-data): Delete.
7996 * common.opt (fshared-data): Delete.
7997 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7998 (assemble_static_space): Remove #if 0 code.
7999 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8000 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8001 * config/cris/cris.h: Remove FIXME.
8003 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8005 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8008 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8011 * combine.c (simplify_shift_const_1): Disable nested shifts
8012 optimization for vector shifts.
8014 2006-02-20 Roger Sayle <roger@eyesopen.com>
8016 PR tree-optimization/26361
8017 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8018 of unsigned integer types.
8020 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8022 * tree-chrec.c (eq_evolutions_p): New.
8023 * tree-chrec.h (eq_evolutions_p): Declared.
8024 * tree-data-ref.c: Fix formatting.
8025 (datadep_stats, dependence_stats): New.
8027 (print_direction_vector): New.
8028 (dump_data_dependence_relation): Use print_direction_vector.
8029 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8030 (compute_subscript_distance): Static.
8031 (initialize_data_dependence_relation): Static. Get the number
8032 of loops surrounding the references from the callers, and initialize
8033 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8034 base_object_differ_p analyzers.
8035 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8036 compute_overlap_steps_for_affine_1_2,
8037 analyze_subscript_affine_affine): Count the classified dependences.
8038 Print a message when a test failed.
8039 (can_use_analyze_subscript_affine_affine): New.
8040 (analyze_siv_subscript): Compute the data dependences on symbolic
8041 scevs that verify can_use_analyze_subscript_affine_affine.
8042 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8043 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8044 Handle symbolic scevs.
8045 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8047 (subscript_dependence_tester): Moved...
8048 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8049 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8050 DDR_SIZE_VECT instead of getting it in parameter.
8051 (subscript_dependence_tester): ... here. Take as a parameter
8052 loop_nest_depth. Call build_classic_dist_vector and
8053 build_classic_dir_vector.
8054 (compute_affine_dependence): Update subscript_dependence_tester
8055 parameters. Update datadep_stats counters. Call
8056 compute_subscript_distance.
8057 (compute_self_dependence): Save the dist and dir vectors. Call
8058 compute_subscript_distance.
8059 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8060 (compute_all_dependences): Reorder parameters as they were before
8061 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8062 compute_subscript_distance. Update the use of
8063 compute_affine_dependence and initialize_data_dependence_relation.
8064 (find_data_references_in_loop): Handle COMPONENT_REF.
8065 (compute_data_dependences_for_loop): Initialize dependence_stats.
8066 Don't call build_classic_dist_vector and build_classic_dir_vector.
8067 Update the parameters of initialize_data_dependence_relation and
8068 compute_all_dependences. Print the statistics from datadep_stats.
8069 (analyze_all_data_dependences): Static. Not used until the pass for
8070 checking the data dependences is contributed.
8071 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8072 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8073 (initialize_data_dependence_relation, compute_affine_dependence,
8074 analyze_all_data_dependences, compute_subscript_distance): Removed.
8075 (print_direction_vector): New.
8076 * lambda.h (gcd): ... here.
8077 (lambda_vector_gcd): Moved here from gcd_vector.
8078 * lambda-code.c (gcd, gcd_vector): Removed.
8079 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8080 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8082 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8084 * ipa-type-escape.c: Tidy some comments and white space.
8085 * tree-ssa-operands.c: Likewise.
8087 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8090 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8091 (dump_decl_name): Do not walk the decl tree chains.
8092 * tree-pass.h (TDF_CHAIN): Remove.
8094 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8096 * Makefile.in (C): Remove
8098 (.PHONY): Remove C and PROTO
8100 2006-02-20 Roger Sayle <roger@eyesopen.com>
8103 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8104 deprecated CHAR_TYPE tree code.
8106 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8108 * configure.ac (target_list): Add install-info, dvi, html.
8109 * configure: Regenerate.
8111 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8112 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8113 treelang/Make-lang.in: Do not use double-colon rules.
8115 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8117 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8118 (TMT_USED_ALONE): New macro.
8119 * tree-pass.h (PROP_tmt_usage): New property.
8120 (TODO_update_tmt_usage): New todo.
8121 * tree-ssa-alias.c (updating_used_alone): New variable.
8122 (recalculate_used_alone): New function.
8123 (compute_may_aliases): Set updating_used_alone, call
8124 recalculate_used_alone.
8125 * tree-sra.c (pass_sra): Note that this pass destroys
8126 PROP_tmt_usage, and add TODO_update_tmt_usage.
8127 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8128 * tree-flow.h (updating_used_alone): Prototype.
8129 (recalculate_used_alone): Ditto.
8130 * passes.c (execute_todo): Add code to set updating_used_alone,
8131 and call recalculate.
8132 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8133 for clobber if used alone, and add assert to verify used_alone
8136 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8138 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8139 for non tls symbols added.
8140 (legitimize_address): Do nothing for PLUS expressions if one of the
8141 addends is a tls symbol reference.
8143 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8147 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8149 * Makefile.in (BOOTSTRAPPING): New.
8150 (quickstrap): New definition if BOOTSTRAPPING=yes.
8152 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8153 * configure.ac: Substitute all_selected_languages with the languages
8154 that were configured. For all the other variables except
8155 lang_specs_files, include all the languages in the tree.
8156 * configure: Regenerate.
8158 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8159 if there is one. Run the commands to run fixincludes in the same
8162 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8163 * doc/install.texi: Document exact conventions for searching target tools.
8164 Document --with-build-time-tools. Document toplevel bootstrap. Document
8165 something more about building an Ada cross-compiler. Don't list GNU Make
8166 requirements which affect all platforms.
8168 2006-02-19 Roger Sayle <roger@eyesopen.com>
8171 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8172 only equivalent if the have both the same mode and precision.
8174 2006-02-20 Ben Elliston <bje@au.ibm.com>
8176 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8178 2006-02-19 Roger Sayle <roger@eyesopen.com>
8179 Steven Bosscher <stevenb.gcc@gmail.com>
8181 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8182 constant pool references to identify stack mode constants.
8183 * rtlanal.c (constant_pool_constant_p): New predicate to check
8184 whether operand is a floating point constant in the pool.
8185 * rtl.h (constant_pool_constant_p): Prototype here.
8186 * loop.c (scan_loop): Avoid hoisting constants from the constant
8187 pool on STACK_REGS targets.
8188 (load_mems): Likewise.
8189 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8190 loads into x87 registers expensive in terms of register pressure.
8192 2006-02-19 Roger Sayle <roger@eyesopen.com>
8194 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8195 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8197 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8199 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8200 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8202 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8204 * doc/invoke.texi: Document -fipa-pta.
8205 * common.opt: Add ipa-pta option.
8206 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8207 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8208 (do_ds_constraint): Ditto.
8209 (get_constraint_for): Only add to referenced_vars if
8210 referenced_vars exists.
8211 (insert_into_field_list): Rewrite to do this unsorted.
8212 (insert_into_field_list_sorted): Rename old insert_into_field_list
8214 (create_function_info_for): Use insert_into_field_list_sorted.
8215 (create_variable_info_for): Rewrite so it uses unsorted version,
8216 since the field list is sorted.
8217 (intra_create_variable_infos): Only add to referenced_vars if
8218 referenced_vars exists.
8219 (ipa_pta_execute): Init heapvars, and delete when done.
8220 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8222 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8224 * doc/install.texi: Add missing `@samp'.
8226 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8228 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8231 2006-02-18 Mark Wielaard <mark@klomp.org>
8233 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8234 who added new 4.1 features, bug fixes and integration support.
8236 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8239 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8242 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8244 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8245 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8246 (copy_insn_1): Likewise. Don't copy each field individually.
8248 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8250 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8251 * rtl.c (rtx_size): Rename variable to...
8252 (rtx_code_size): ...this.
8253 (rtx_size): New function.
8254 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8255 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8257 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8258 * rtl.h (rtx_code_size): New variable.
8259 (rtx_size): Change from a variable to a function.
8260 (RTX_SIZE): Rename to...
8261 (RTX_CODE_SIZE): ...this.
8264 PR tree-optimization/17106
8265 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8266 (Anchored Addresses): New section.
8267 * doc/invoke.texi (-fsection-anchors): Document.
8268 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8269 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8270 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8271 * hooks.c (hook_bool_mode_rtx_false): New function.
8272 * hooks.h (hook_bool_mode_rtx_false): Declare.
8273 * gengtype.c (create_optional_field): New function.
8274 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8275 SYMBOL_REF_IN_BLOCK_P is true.
8276 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8277 (min_anchor_offset, max_anchor_offset): Likewise.
8278 (use_anchors_for_symbol_p): New hook.
8279 * toplev.c (compile_file): Call output_object_blocks.
8280 (target_supports_section_anchors_p): New function.
8281 (process_options): Check that -fsection-anchors is only used on
8282 targets that support it and when -funit-at-a-time is in effect.
8283 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8284 if the decl doesn't have one.
8285 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8286 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8287 of force_const_mem through use_anchored_address.
8288 (expand_expr_constant): New function.
8289 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8290 calling expand_expr for INDIRECT_REF.
8291 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8292 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8293 * expr.h (use_anchored_address): Declare.
8294 * loop-unroll.c: Don't declare rtx vectors here.
8295 * explow.c: Include output.h.
8296 (validize_mem): Call use_anchored_address.
8297 (use_anchored_address): New function.
8298 * common.opt (-fsection-anchors): New switch.
8299 * varasm.c (object_block_htab, anchor_labelno): New variables.
8300 (hash_section, object_block_entry_eq, object_block_entry_hash)
8301 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8302 (use_blocks_for_decl_p, change_symbol_section): New functions.
8303 (get_variable_section): New function, split out from assemble_variable.
8304 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8305 use_blocks_for_decl_p say so. Use change_symbol_section if the
8306 symbol has already been created.
8307 (assemble_variable_contents): New function, split out from...
8308 (assemble_variable): ...here. Don't output any code for
8309 block symbols; just pass them to place_block_symbol.
8310 Use get_variable_section and assemble_variable_contents.
8311 (get_constant_alignment, get_constant_section, get_constant_size): New
8312 functions, split from output_constant_def_contents.
8313 (build_constant_desc): Create a block symbol if use_object_blocks_p
8314 says so. Or into SYMBOL_REF_FLAGS.
8315 (assemble_constant_contents): New function, split from...
8316 (output_constant_def_contents): ...here. Don't output any code
8317 for block symbols; just pass them to place_section_symbol.
8318 Use get_constant_section and get_constant_alignment.
8319 (force_const_mem): Create a block symbol if use_object_blocks_p and
8320 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8321 (output_constant_pool_1): Add an explicit alignment argument.
8322 Don't switch sections here.
8323 (output_constant_pool): Adjust call to output_constant_pool_1.
8324 Switch sections here instead. Don't output anything for block symbols;
8325 just pass them to place_block_symbol.
8326 (init_varasm_once): Initialize object_block_htab.
8327 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8328 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8329 (place_block_symbol, get_section_anchor, output_object_block)
8330 (output_object_block_htab, output_object_blocks): New functions.
8331 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8332 (TARGET_ASM_OUT): Include it.
8333 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8334 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8335 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8336 (TARGET_INITIALIZER): Include them.
8337 * rtl.c (rtl_check_failed_block_symbol): New function.
8338 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8339 (block_symbol, object_block): New structures.
8340 (rtx_def): Add a block_symbol field to the union.
8341 (BLOCK_SYMBOL_CHECK): New macro.
8342 (rtl_check_failed_block_symbol): Declare.
8343 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8344 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8345 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8346 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8347 * output.h (output_section_symbols): Declare.
8348 (object_block): Name structure.
8349 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8350 (default_use_anchors_for_symbol_p): Declare.
8351 * Makefile.in (RTL_BASE_H): Add vec.h.
8352 (explow.o): Depend on output.h.
8353 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8354 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8355 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8356 (rs6000_use_blocks_for_constant_p): New function.
8358 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8360 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8362 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8365 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8368 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8370 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8374 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8377 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8378 instead of DECL_REGISTER.
8380 2006-02-18 Olivier Hainque <hainque@adacore.com>
8383 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8385 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8388 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8389 * opth-gen.awk: Handle Var and InverseMask together.
8390 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8391 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8392 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8393 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8395 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8396 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8397 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8398 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8399 LINUX_DYNAMIC_LINKER): Define.
8400 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8401 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8403 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8404 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8405 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8407 (TARGET_C99_FUNCTIONS): Don't define.
8408 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8409 GLIBC_DYNAMIC_LINKER.
8410 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8411 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8412 GLIBC_DYNAMIC_LINKER64): Define.
8413 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8414 LINUX_DYNAMIC_LINKER64.
8415 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8416 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8417 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8418 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8419 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8420 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8421 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8422 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8423 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8425 and LINUX_DYNAMIC_LINKER32.
8426 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8427 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8428 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8429 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8430 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8432 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8433 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8434 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8435 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8436 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8437 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8438 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8439 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8440 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8441 LINUX_DYNAMIC_LINKER): Define.
8442 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8443 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8444 GLIBC_DYNAMIC_LINKER64): Define.
8445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8446 LINUX_DYNAMIC_LINKER64.
8447 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8448 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8449 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8450 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8451 LINUX_DYNAMIC_LINKER): Define.
8452 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8453 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8454 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8455 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8456 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8457 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8458 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8459 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8460 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8461 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8462 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8463 * doc/invoke.texi (-muclibc): Remove caveat about supported
8466 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8468 * doc/cpp.texi (__TIMESTAMP__): Document.
8470 2006-02-17 Roger Sayle <roger@eyesopen.com>
8473 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8474 C is one less than the width of X (and related transformations).
8475 * simplify-rtx.c (simplify_unary_operation_1): Transform
8476 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8477 depending on STORE_FLAG_VALUE, were C is one less then the
8480 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8482 Fix PR tree-optimization/26341
8483 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8484 about NAME_MEMORY_TAG's.
8486 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8489 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8490 with hardware float support, and software float support. Add fcpy
8491 alternative to hardware patterns. Add alternatives to copy between
8492 general and floating-point registers to the 32-bit pattern.
8493 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8494 secondary reload to load a QI or HI mode constant into a floating
8496 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8497 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8499 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8502 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8504 (load_macho_picbase_di): Likewise.
8506 2006-02-16 Jeff Law <law@redhat.com>
8508 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8509 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8510 (ssa_name_nonzero_p): Likewise.
8511 (get_value_range): Return NULL if VRP is not running.
8512 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8513 VRP routines do not discover a range.
8514 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8515 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8516 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8517 (tree_expr_nonnegative_p): Similarly.
8518 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8519 (restore_nonzero_vars_to_original_value): Remove.
8520 (unsafe_associative_fp_binop): Remove.
8521 (tree_ssa_dominator_optimize): Remove initialization and
8522 finalization of nonzero_vars and nonzero_vars_stack.
8523 (dom_opt_initialize_block): No longer push marker on
8525 (dom_opt_finalize_block): No longer call
8526 restore_nonzero_vars_to_original_value.
8527 (record_equivalences_from_phis): No longer look for
8528 nonzero PHI arguments.
8529 (cprop_into_successor_phis): No longer propagate nonzero
8530 property into PHI arguments. Lose unused argument. Caller
8532 (record_equivalences_from_stmt): No longer record nonzero
8533 values for SSA_NAMEs.
8534 (lookup_avail_expr): No longer use nonzero_vars.
8536 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8537 for sizetype when sizetype is unsigned.
8539 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8541 PR rtl-optimization/25603
8542 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8543 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8544 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8545 with new meaning of SETS.
8547 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8552 * config/linux.opt: New file.
8553 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8554 LINUX_DYNAMIC_LINKER): Define.
8555 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8556 * config.gcc (*-*-linux*): Define extra_options.
8557 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8558 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8559 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8560 GLIBC_DYNAMIC_LINKER.
8561 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8562 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8563 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8565 * doc/invoke.texi (GNU/Linux Options): New section.
8567 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8569 * config/sparc/sparc.md (setjmp): Rewrite.
8570 (setjmp_32): Delete.
8571 (setjmp_64): Likewise.
8573 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8575 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8578 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8580 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8583 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8585 PR rtl-optimization/26296
8586 * Makefile.in (loop-invariant.c): Add except.h dependency.
8587 * loop-invariant.c: Include except.h.
8588 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8590 2005-02-16 Paul Brook <paul@codesourcery.com>
8592 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8595 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8597 PR rtl-optimization/25636
8598 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8599 when deciding whether an insn is an initializing insn.
8601 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8603 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8604 (tree_code_size): Ditto.
8605 * tree.h (struct tree_memory_tag): Remove parent_var.
8606 (struct tree_struct_field_tag): New.
8609 (union tree_node): Add sft member.
8610 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8612 (create_sft): Add size and offset argument, set SFT_OFFSET and
8614 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8615 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8616 * tree-flow-inline.h (get_subvar_at): Update for
8617 SFT_OFFSET/SFT_SIZE.
8618 (var_can_have_subvars): Ditto.
8619 (overlap_subvar): Ditto.
8620 * print-tree.c (print_node): Print out interesting things for
8622 * tree-flow.h (struct subvar): Remove offset and size members.
8623 * tree-ssa-operands.c (get_expr_operands): Update for
8624 get_indirect_ref_operands changes.
8625 (get_indirect_ref_operands): Call add_virtual_operand instead of
8626 add_stmt_operand. Only recurse on base var if requested.
8627 (access_can_touch_variable): New function.
8628 (add_stmt_operand): Split virtual operand handling into ...
8629 (add_virtual_operand): Here. Add offset, size, and for_clobber
8630 arguments. Prune alias sets.
8631 (add_call_clobber_ops): Call add_virtual_operand.
8633 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8636 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8638 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8639 than TREE_CODE as index into omp_clause_num_ops array.
8641 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8643 PR rtl-optimization/26184
8644 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8646 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8647 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8648 must_precede, must_follow and tobe_scheduled.
8651 * opts.c (common_handle_option): Free new_option pointer.
8652 * df-core.c (df_analyze): Free postorder pointer.
8654 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8656 * Makefile.in: Fix the examples about the use of stamps
8658 2006-02-15 Michael Matz <matz@suse.de>
8662 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8663 influenced by maximum_field_alignment or DECL_PACKED.
8664 (update_alignment_for_field): Ditto.
8665 (place_field): Ditto.
8666 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8669 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8671 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8672 (debug_flow_info): Pass it.
8673 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8674 * bb-reorder.c (reorder_basic_blocks): Likewise.
8675 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8676 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8677 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8678 * gcse.c (gcse_main, bypass_jumps): Likewise.
8679 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8680 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8681 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8682 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8683 * rtl.h (dump_flow_info): Adjust prototype.
8684 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8685 * var-tracking.c (variable_tracking_main): Likewise.
8686 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8687 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8690 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8692 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8695 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8697 PR tree-optimization/26209
8698 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8699 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8701 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8703 2006-02-14 Roger Sayle <roger@eyesopen.com>
8706 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8707 (X,Y) and the corresponding symmetry related transformations.
8708 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8709 (X,Y) and its symmetry related transformations.
8711 2006-02-14 Roger Sayle <roger@eyesopen.com>
8713 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8716 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8718 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8720 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8723 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8724 support COMDAT group.
8725 * configure: Regenerate.
8727 2006-02-14 Roger Sayle <roger@eyesopen.com>
8732 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8734 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8736 Fix PR tree-optimization/26260
8738 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8740 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8741 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8742 * tree-ssa-structalias.c (create_variable_info_for): Use
8743 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8745 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8747 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8749 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8750 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8751 of the ending condition.
8752 * tree-ssa-loop-manip.c: Include params.h.
8753 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8754 tree_unroll_loop): New functions.
8755 * tree-pass.h (pass_loop_prefetch): Declare.
8756 * loop.c (rest_of_handle_loop_optimize): Test for
8757 -fprefetch-loop-arrays-rtl.
8758 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8759 * timevar.def (TV_TREE_PREFETCH): New timevar.
8760 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8761 pass_loop_prefetch): New.
8762 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8763 (cleanup_tree_cfg_loop): Call scev_reset.
8764 * common.opt (fprefetch-loop-arrays-rtl): Add.
8765 * tree-ssa-loop-prefetch.c: New file.
8766 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8767 (new_temp_expr_table): Initialize expr_vars.
8768 (free_temp_expr_table): Cleanup expr_vars.
8769 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8770 expressions from being merged into one.
8771 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8772 (struct tree_niter_desc): Add control, bound and cmp fields.
8773 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8775 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8776 (tree-cfgcleanup.o): Add SCEV_H dependency.
8777 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8778 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8780 2006-02-14 Richard Guenther <rguenther@suse.de>
8782 PR tree-optimization/26258
8783 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8784 in PHI argument processing.
8786 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8788 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8789 new expression in the requested machine mode.
8791 2006-02-13 Roger Sayle <roger@eyesopen.com>
8793 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8794 directly, instead let do_compare_rtx_and_jump handle this for us.
8795 * expr.c (expand_expr_real_1): Likewise.
8796 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8797 before do_jump_by_parts_greater.
8798 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8799 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8801 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8803 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8805 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8807 PR rtl-optimization/26235
8808 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8809 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8812 2006-02-13 Jeff Law <law@redhat.com>
8814 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8817 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8820 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8821 twice if decl is a builtin. When trying again, call get_callee_fndecl
8822 first to verify it is still a builtin.
8824 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8826 * dwarf2out.c (base_type_die): Don't add AT_name here.
8827 (subrange_type_die): Don't add AT_name here.
8828 (modified_type_die): Rearrange code flow. Do add AT_name here.
8830 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8832 PR rtl-optimization/26247
8833 PR rtl-optimization/26248
8834 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8836 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8838 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8839 * config/fixtfdi.c: Likewise.
8840 * config/fixunstfdi.c: Likewise.
8841 * config/floatditf.c: Likewise.
8843 2006-02-13 Roger Sayle <roger@eyesopen.com>
8846 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8847 into (X,C2) if C1 is a subset of the bits of C2. Transform
8848 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8850 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8852 2006-02-13 Josh Conner <jconner@apple.com>
8855 * varasm.c (function_section): Check for section name before
8856 calling select_section on targets that define
8857 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8858 unlikely_text_section instead of hot_function_section if
8859 first_function_block_is_cold.
8861 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8864 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8866 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8868 PR rtl-optimization/26222
8869 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8870 after tree->rtl expansion.
8871 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8872 before passing it to emit_move_insn.
8874 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8876 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8878 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8879 Clarify documentation.
8880 * c-common.h (warn_write_strings): Remove.
8881 * c-common.c (warn_write_strings): Likewise.
8882 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8885 2006-02-12 Roger Sayle <roger@eyesopen.com>
8888 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8889 (do_jump_parts_zero_rtx): New function renamed from
8890 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8891 (do_jump_parts_equality_rtx): New function split out from
8892 do_jump_parts_equality. Old implementation renamed as above.
8893 Call do_jump_parts_zero_rtx if either operand is zero.
8894 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8895 do all of the heavy lifting.
8896 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8897 calling either do_jump_by_parts_greater_rtx or
8898 do_jump_by_parts_equality_rtx.
8899 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8900 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8901 moved to do_compare_rtx_and_jump, call it directly.
8902 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8903 mode argument. Call do_compare_rtx_and_jump.
8904 (emit_case_nodes): Update calls to do_jump_if_equal.
8906 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8908 PR rtl-optimization/26225
8909 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8911 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8913 PR rtl-optimization/26232
8914 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8916 2006-02-11 Jason Merrill <jason@redhat.com>
8919 * tree-inline.c (declare_return_variable): Just don't use the
8920 modify target if it's a gimple complex reg and the return slot
8923 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8925 * doc/contrib.texi: Update my entry.
8927 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8929 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8931 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8933 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8936 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8938 * doc/invoke.texi (-floop-optimize2): Removed.
8939 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8940 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8941 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8942 * common.opt (floop-optimize2): Removed.
8943 (fmove-loop-invariants): Enabled by default.
8945 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8947 * tree-if-conv.c (combine_blocks): Free the result of
8948 get_loop_exit_edges.
8950 2006-02-10 Jeff Law <law@redhat.com>
8952 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8954 PR tree-optimization/26213
8955 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8956 loop trying to follow SSA_NAME_VALUE chains.
8958 2006-02-10 Richard Guenther <rguenther@suse.de>
8960 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8961 deal with structures that end in implicitly variable sized arrays.
8963 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8965 PR rtl-optimization/24762
8966 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8969 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8971 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8972 (struct ivopts_data): Add regs_used field.
8973 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8974 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8975 instead of loop_data->regs_used;
8976 (free_loop_data): Do not free aux fields for loops.
8977 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8978 and tree_ssa_iv_optimize_finalize.
8980 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8982 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8984 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8987 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8988 computing the effective result type.
8990 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8993 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8994 (tree_overlaps_hard_reg_set): Declare.
8995 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8996 type and signature to match function type expected by walk_tree.
8997 (tree_overlaps_hard_reg_set): New function.
8998 (decl_conflicts_with_clobbers_p): Rename to:
8999 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9000 Use tree_overlaps_hard_reg_set. Changed caller.
9001 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9002 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9003 * cris.c (cris_md_asm_clobbers): Likewise.
9005 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9007 * reload1.c (emit_input_reload_insns): Delete code that tries to
9008 inherit using find_equiv_reg.
9010 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9012 * c-common.h (flag_const_strings): Don't declare.
9013 * c-common.c (flag_const_strings): Remove.
9014 * c.opt (fconst_strings): Remove.
9015 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9016 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9017 (c_common_init_options): Don't set flag_const_strings.
9018 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9020 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9022 * arm.md (tlobits_cbranch): New pattern.
9023 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9024 testing a single bit.
9026 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9029 * tree-ssa-pre.c (create_component_ref_by_pieces):
9030 Handle RETURN_DECL like VAR_DECL.
9032 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9035 * fold-const.c (fold_indirect_ref_1): Fold
9036 "*(foo *)&complexfoo" to "__real__ complexfoo"
9037 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9039 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9041 * tree-flow-inline.h (var_can_have_subvars):
9042 Volatile variables should not have subvariables.
9044 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9047 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9048 multiplying unsigned values.
9051 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9053 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9055 2006-02-08 Jason Merrill <jason@redhat.com>
9058 * tree.def: Elaborate on difference from MODIFY_EXPR.
9059 * doc/c-tree.texi (INIT_EXPR): Likewise.
9060 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9061 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9062 (gimplify_target_expr): Likewise.
9063 (gimplify_cond_expr): Remove target handling.
9064 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9065 (gimplify_expr): Clobber it here.
9066 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9067 Do return slot optimization if we have an INIT_EXPR.
9070 * tree-inline.c (declare_return_variable): Also clear
9071 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9074 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9077 * gimplify.c (gimplify_one_sizepos): Fix typo.
9079 2006-02-08 Jeff Law <law@redhat.com>
9081 PR tree-optimization/21417
9082 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9083 across a backedge if the control statement at the end of the
9084 block is data dependent on other statements in the same block.
9085 (record_temporary_equivalences_from_stmts): Remove over-conservative
9086 test for threading across backedges.
9088 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9089 control statement, handle all three special cases in the same
9090 manner as they all have the same desired solution. No longer
9091 special case edge flag updating when the post dominator is
9094 2006-02-08 Roger Sayle <roger@eyesopen.com>
9096 * tree.def (CHAR_TYPE): Remove.
9097 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9098 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9099 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9100 (gen_string_type_die): Delete unreachable function.
9102 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9103 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9104 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9105 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9106 * builtins.c (type_to_class): Likewise.
9107 * fold-const.c (fold_convert, build_range_check,
9108 merge_ranges): Likewise.
9109 * expr.c (count_type_elements): Likewise.
9110 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9111 * stor-layout.c (layout_type): Likewise.
9112 * ipa-type-escape.c (type_to_consider): Likewise.
9113 * gimplify.c (omp_firstprivatize_type_sizes,
9114 gimplify_type_sizes): Likewise.
9115 * explow.c (promote_mode): Likewise.
9116 * tree-sra.c (is_sra_scalar_type): Likewise.
9117 * varasm.c (output_constant): Likewise.
9118 * tree-inline.c (remap_type_1): Likewise.
9119 * convert.c (convert_to_pointer, convert_to_real,
9120 convert_to_integer, convert_to_complex): Likewise.
9122 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9124 * df-scan.c (df_def_record_1): A set destination may
9125 be a parallel regardless of mode.
9127 2006-02-08 Roger Sayle <roger@eyesopen.com>
9130 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9131 * config/mips/_tilib.c: Remove.
9132 * config/fixtfdi.c: New libgcc source file.
9133 * config/fixunstfdi.c: New source file.
9134 * config/floatditf.c: New source file.
9135 * config/floatunditf.c: New souce file.
9136 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9137 files above instead of config/mips/_tilib.c.
9138 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9140 2006-02-08 Jeff Law <law@redhat.com>
9142 PR tree-optimization/26169
9143 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9146 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9148 * df.h (DF_REG_SIZE): Return the length of the initialized
9151 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9153 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9154 __muldf3): Return a correctly signed zero.
9156 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9158 * passes.c (register_one_dump_file): Accept the current properties
9159 instead of pass number. Adjust call to dump_register. Remove
9161 (register_dump_files): Now a wrapper around...
9162 (register_dump_files_1): ... this one. Do not modify the pass
9164 (next_pass_1): Cosmetic fix.
9165 (execute_todo): Keep second parameter only. Use curr_properties
9166 instead of fetching it from the pass structure. Check and set
9168 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9169 instead of fetching it from the pass structure. Fix calls to
9170 execute_todo. Update curr_properties and initialize .vcg RTL dump
9171 after running the pass. Reset last_verified.
9172 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9174 (FIRST_AUTO_NUMBERED_DUMP): New.
9175 (dump_register): Remove "num" parameter, assign it within the
9177 (get_dump_file_name): Modify template for dumps.
9178 * tree-dump.h (dump_register): Adjust prototype.
9179 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9180 (PROP_trees): Add PROP_gimple_lomp.
9181 (TODO_set_props): New.
9182 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9183 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9184 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9186 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9188 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9189 (sparc64-*-linux*): Likewise.
9190 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9191 * config/sparc/t-linux: New file.
9192 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9193 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9194 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9195 -m32 -mlong-double-128.
9197 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9198 * config/alpha/t-linux: New file.
9199 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9201 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9202 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9203 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9204 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9205 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9206 (CPP_ARCH32_SPEC): Remove.
9208 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9210 PR tree-optimization/26145
9211 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9214 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9217 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9218 >= 240000 when generating code for SOM runtime.
9219 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9220 to $$dyncall when generating code for SOM runtime..
9222 2006-02-07 Dirk Mueller <dmueller@suse.com>
9225 * doc/invoke.texi (-Wsequence-point): Update documentation
9226 that -Wsequence-point is implemented for C++ as well.
9228 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9230 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9231 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9232 (LIB_SPEC): Likewise.
9233 * doc/invoke.texi (SPARC options): Document -pthread.
9235 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9237 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9240 2006-02-07 Roger Sayle <roger@eyesopen.com>
9242 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9243 Correct comment describing BOOLEAN_TYPE.
9245 2006-02-07 Dirk Mueller <dmueller@suse.com>
9247 * c.opt: C++ frontend supports -Wdiv-by-zero.
9248 * c-opts.c (c_common_handle_option): Remove dead case.
9250 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9252 * configure.ac (TLS assembler check): Do not enable TLS by
9253 default on SPARC/Solaris before version 10.
9254 * configure: Regenerate.
9256 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9258 * doc/invoke.texi (xl-compat): Document conversion and support
9261 2006-02-07 Jeff Law <law@redhat.com>
9263 * tree-vrp.c (find_conditional_asserts): Update comments.
9264 (simplify_stmt_for_jump_threading): New.
9265 (identify_jump_threads, finalize_jump_threads): New.
9266 (vrp_finalize): Call identify_jump_threads.
9267 (execute_vrp): Call finalize_jump_threads.
9268 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9269 (vrp_element, vrp_data, vrp_element_p): Remove.
9270 (vrp_hash_elt, vrp_variables_stack): Remove.
9271 (vrp_hash, vrp_eq, record_range): Remove.
9272 (simplify_cond_and_lookup_avail_expr): Remove.
9273 (extract_range_from_cond): Remove.
9274 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9275 (simplify_stmt_for_jump_threading): New.
9276 (dom_thread_across_edge): New wrapper.
9277 (tree_ssa_dominator_optimize): No longer initialize or
9278 finalize any of the VRP datastructures. Remove iteration
9279 step and simplify as a result of removal of iteration step.
9280 (pass_dominator): Perform a cfg cleanup after DOM.
9281 (dom_opt_finalize_block): Use the new common routines
9282 for threading jumps. Simplify stack management slightly.
9283 No longer need to unwind VRP state.
9284 (record_equivalences_from_incoming_edge): No longer record
9286 (eliminate_redundant_computations): No longer call
9287 simplify_cond_and_lookup_avail_expr.
9288 * tree-flow.h (potentially_threadable_block): Prototype.
9289 (thread_across_edge): Likewise.
9290 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9291 (tree-ssa-threadedge.o): Add dependencies.
9292 * tree-ssa-threadedge.c: New file.
9293 * passes.c (init_optimization_passes): Merge PHIs before
9294 calling VRP. Run VRP again late in the SSA optimization pipeline.
9296 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9298 * df-core.c (df_set_blocks): Do not dereference function pointers.
9299 (df_finish1): Likewise.
9300 (df_hybrid_search_forward): Likewise.
9301 (df_hybrid_search_backward): Likewise.
9302 (df_iterative_dataflow): Likewise.
9303 (df_analyze_problem): Likewise.
9304 (df_compact_blocks): Likewise.
9305 (df_dump): Likewise.
9306 * df-scan.c (df_rescan_blocks): Likewise.
9307 (df_record_entry_block_defs): Likewise.
9309 * genconditions.c (write_conditions): Guard the definition of
9310 'insn_conditions' with the check on GCC version.
9311 (write_writer): Guard the traversal 'insn_conditions' with
9312 the check on GCC version.
9314 2006-02-07 Richard Guenther <rguenther@suse.de>
9318 2006-01-30 Richard Guenther <rguenther@suse.de>
9320 * gimplify.c (gimplify_target_expr): Handle easy cases
9321 without creating a temporary.
9323 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9325 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9326 use of float in probability computations. Use edge probabilities
9327 in place of statically computed probabilities.
9328 (min_spec_prob): New static variable.
9329 (schedule_insns): Initialize it.
9330 (GET_SRC_PROB): Removed.
9331 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9333 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9336 * config/ia64/unwind-ia64.c: Revert last change.
9337 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9338 (INCOMING_FRAME_SP_OFFSET): Define.
9340 2006-02-06 Roger Sayle <roger@eyesopen.com>
9342 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9344 2006-02-07 Ben Elliston <bje@au.ibm.com>
9346 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9347 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9348 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9349 (ix86_return_in_memory): Handle TDmode.
9350 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9351 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9353 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9355 * reorg.c (dbr_schedule): Use dump_file instead of file.
9357 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9360 * config/ia64/predicates.md (extr_len_operand): New predicate.
9361 * config/ia64/ia64.md (extv): Tighten constraints.
9363 (*tbit_and_2): Ditto.
9364 (*tbit_and_3): Ditto.
9365 (*tbit_or_2): Ditto.
9366 (*tbit_or_3): Ditto.
9370 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9373 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9375 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9377 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9378 loop_optimizer_init and loop_optimizer_finalize
9379 * tree-ssa-sink.c (execute_sink_code): Ditto.
9380 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9381 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9382 tree_ssa_loop_done): Ditto.
9383 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9384 * sched-ebb.c: Include output.h.
9385 (schedule_ebbs): Do not use dump argument.
9386 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9387 * loop.c (loop_dump_stream): Removed.
9388 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9390 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9391 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9392 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9393 loop_iterations, strength_reduce, record_biv, record_giv,
9394 final_giv_value, check_final_value, check_ext_dependent_givs,
9395 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9396 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9397 dump_file instead of loop_dump_stream.
9398 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9400 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9402 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9403 * haifa-sched.c: Include output.h
9404 (schedule_insns, sched_init): Do not use dump argument.
9405 * mode-switching.c (optimize_mode_switching): Ditto.
9406 * modulo-sched.c (stats_file): Removed.
9407 (print_node_sched_params): Do not call argument dump_file.
9408 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9409 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9411 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9413 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9414 rtl_loop_init, rtl_loop_done): Ditto.
9415 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9416 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9418 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9419 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9420 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9421 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9422 * emit-rtl.c (renumber_insns): Ditto.
9423 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9424 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9425 * regclass.c (regclass): Ditto.
9426 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9427 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9428 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9429 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9431 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9432 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9434 * gcse.c (gcse_file, debug_stderr): Removed.
9435 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9436 rest_of_handle_gcse): Do not use dump argument.
9437 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9438 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9439 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9440 compute_code_hoist_vbeinout, compute_code_hoist_data,
9441 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9442 compute_store_table, build_store_vectors, insert_insn_start_bb,
9443 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9444 store_motion): Use dump_file instead of gcse_file.
9445 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9446 * profile.c (profile_dump_file): Removed.
9447 (branch_prob): Use dump_file instead of profile_dump_file.
9448 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9450 * tree-ssa-copy.c (dump_copy_of): Ditto.
9451 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9452 dump file to life_analysis.
9453 * bt-load.c (branch_target_load_optimize): Ditto.
9454 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9456 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9457 regclass, dbr_schedule): Declaration changed.
9458 * sched-int.h (sched_init): Declaration changed.
9459 * tree-profile.c (tree_profile_dump_file): Removed.
9460 (tree_profile_hooks): Removed profile_dump_file hook.
9461 * rtl-profile (rtl_profile_dump_file): Removed.
9462 (rtl_profile_hooks): emoved profile_dump_file hook.
9463 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9465 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9466 * tree-cfg.c (build_tree_cfg): Ditto.
9467 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9468 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9469 Declaration changed.
9470 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9471 life_analysis and schedule_insns.
9472 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9474 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9476 * config/mips/mips.c (mips_reorg): Ditto.
9477 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9480 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9482 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9483 (s390_mangle_fundamental_type): New.
9484 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9487 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9488 (alpha_mangle_fundamental_type): New.
9489 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9492 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9494 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9496 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9497 (sparc_mangle_fundamental_type): New.
9499 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9501 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9502 (s390x-*-linux*): Likewise.
9503 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9504 * config/s390/t-linux: New file.
9506 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9508 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9509 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9511 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9513 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9514 (ANTIC_SAFE_LOADS): New macro.
9515 (find_or_generate_expression): Add prototype.
9516 (set_contains_value): Allow null set for sake of not always having
9517 to allocate ANTIC_SAFE_LOADS.
9518 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9519 Allow COMPONENT_REF too.
9520 (valid_in_set): Allow COMPONENT_REF.
9521 Check ANTIC_SAFE_LOADS too.
9522 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9523 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9525 (can_PRE_operation): Add COMPONENT_REF.
9526 (create_component_ref_by_pieces): New function.
9527 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9528 (insert_aux): Move AGGREGATE_TYPE_P check here.
9529 (compute_avail): Set bb local stmt uids.
9530 (pass_pre): Use TODO_update_ssa_only_virtuals.
9532 2006-02-06 Ben Elliston <bje@au.ibm.com>
9534 * configure.ac: Unconditionally disable decimal float by default.
9535 * configure: Regenerate.
9537 2006-02-06 Ben Elliston <bje@au.ibm.com>
9539 * read-rtl.c (read_name): Terminate reading on EOF.
9541 2006-02-06 Ben Elliston <bje@au.ibm.com>
9543 * dfp.c (decimal_real_arithmetic): Change second argument type
9544 from int to enum tree_code. Do not always return true, but now
9545 return result of any call to decimal_do helper functions.
9546 * dfp.h (decimal_real_arithmetic): Update prototype.
9548 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9550 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9552 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9555 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9558 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9560 * tree-vrp.c (cfg_loops): Removed.
9561 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9562 Use current_loops instead of cfg_loops. Pass flags to
9563 loop_optimizer_init.
9564 * cfgloopmanip.c (fix_loop_structure): Update only available
9566 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9567 loop_optimizer_init.
9568 * modulo-sched.c (build_loops_structure): Removed.
9569 (sms_schedule): Use loop_optimizer_init.
9570 * loop-init.c (loop_optimizer_init): Use flags to determine
9571 which properties of loops to prepare.
9572 (rtl_loop_init): Pass flags to loop_optimizer_init.
9573 * tree-ssa-sink.c (execute_sink_code): Ditto.
9574 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9575 * tree-ssa-pre.c (init_pre): Ditto.
9576 * cfgloop.h (LOOPS_NORMAL): New.
9577 (loop_optimizer_init): Declaration changed.
9579 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9581 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9582 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9584 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9586 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9588 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9589 * pa/t-pa64: Delete quadlib.c rule.
9590 * pa/x-ada: Revert last change.
9591 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9593 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9595 PR rtl-optimization/26087
9596 * rtlanal.c (canonicalize_condition): Do not cross basic block
9599 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9602 * config/ia64/ia64.c: Include debug.h.
9603 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9604 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9605 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9606 (process_epilogue, process_set, process_for_unwind_directive):
9607 Output unwind info only if requested. Add CFA info if requested.
9608 Add new arguments as needed. Adjust callers.
9609 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9611 (DWARF2_FRAME_INFO): Define to zero.
9612 * config/ia64/unwind-ia64.c: Remove code that compensated for
9613 the CFA offset error fixed above.
9614 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9615 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9616 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9617 -funwind-tables and -fexceptions to enable frame info.
9618 (dwarf2out_frame_init): Define initial CFA even if
9619 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9620 DWARF2_UNWIND_INFO is nonzero, not just defined.
9621 (dwarf2out_frame_finish): Output non-EH call frame info only
9622 if DWARF2_FRAME_INFO is nonzero.
9623 (convert_cfa_to_loc_list,
9624 compute_frame_pointer_to_cfa_displacement): Define even if
9625 unwind info is not supported.
9626 (gen_subprogram_die): Use the above unconditionally. Remove
9627 legacy alternate code.
9628 * toplev.c (compile_file): Compile in call to
9629 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9630 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9632 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9633 Jakub Jelinek <jakub@redhat.com>
9635 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9636 IBM extended float format long double as "g" on powerpc*-linux.
9638 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9641 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9642 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9644 2006-02-03 Jason Merrill <jason@redhat.com>
9647 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9650 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9651 on the return slot if it's an NRV.
9653 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9655 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9656 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9657 rewrite_use): Do not handle USE_OUTER.
9658 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9659 add_iv_outer_candidates, may_replace_final_value,
9660 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9661 (find_interesting_uses_op): Functionality of
9662 find_interesting_uses_outer_or_nonlin moved here.
9663 (find_interesting_uses_outside): Use find_interesting_uses_op.
9665 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9668 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9670 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9671 Ulrich Weigand <uweigand@de.ibm.com>
9674 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9675 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9676 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9677 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9679 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9680 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9681 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9682 Define secondary reloads for TFmode moves.
9683 (constant_modes): Add TFmode.
9684 (NR_C_MODES): Set to 8.
9685 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9687 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9688 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9689 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9690 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9691 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9692 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9693 (FPR mode macro): Add TFmode.
9694 (DSF mode macro): New.
9695 (<de>, <dee> mode attributes): Removed.
9696 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9697 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9698 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9699 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9700 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9701 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9702 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9703 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9704 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9705 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9706 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9707 "*negabs<mode>2", "sqrt<mode>2"):
9708 Changed <de> to <xde>. R constraint replaced by <Rf>.
9709 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9711 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9712 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9713 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9715 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9716 "extenddftf2", "extendsftf2"): New expanders.
9717 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9718 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9719 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9720 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9722 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9723 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9724 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9725 __floatditf): Add a GCC_4.1.0 symbol version tag.
9726 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9729 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9732 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9733 Use targetm.binds_local_p instead of TREE_PUBLIC.
9735 2006-02-02 Roger Sayle <roger@eyesopen.com>
9737 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9738 on INTEGER_TYPEs to indicate that it denotes a character type.
9739 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9740 signed_char_type_node, unsigned_char_type_node and char_type_node.
9741 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9742 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9743 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9745 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9746 Daniel Berlin <dberlin@dberlin.org>
9748 * tree-tailcall.c (arg_needs_copy_p): New function.
9749 (eliminate_tail_call): Use arg_needs_copy_p.
9750 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9751 (add_virtual_phis): New function.
9753 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9755 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9756 #ignore instead of #scratch for %g7 .register directive.
9758 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9760 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9763 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9765 * flow.c (calculate_global_regs_live): Assert that there aren't any
9768 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9770 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9772 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9773 bsi_after_labels iterator.
9774 * tree-if-conv.c (find_phi_replacement_condition,
9775 replace_phi_with_cond_modify_expr): Likewise.
9776 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9777 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9779 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9781 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9783 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9786 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9787 array after growing it.
9789 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9792 * fold-const.c (fold_checksum_tree): Change type of buf.
9794 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9796 * reload.c (push_secondary_reload): Initialize t_icode.
9798 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9800 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9801 -msoft-float -mlong-double-128 only issue a warning, but don't
9802 swich to DFmode long double.
9804 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9806 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9807 has a constant equivalent, iterate over equivalents for arg0,
9808 calling simplify_relational_operation and if there's a result
9809 cheaper than X, apply fold_rtx and return the result.
9811 2006-02-01 Jan Hubicka <jh@suse.cz>
9813 * opts.c (no_unit_at_a_time_default): New global variable.
9814 (decode_options): Use it.
9815 * opts.h (no_unit_at_a_time_default): Declare.
9817 2006-02-01 Paul Brook <paul@codesourcery.com>
9819 * function.c (assign_parm_setup_reg): Use function argument promotion
9821 * expr.c (expand_expr_real_1): Use function argument promotion rules
9824 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9826 * gcc.c (process_command): Change j to 'unsigned int'.
9828 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9831 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9832 Use the corrected index for the character
9833 out of the string constant.
9835 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9837 * mode-switching.c (optimize_mode_switching): Fix size
9838 allocated for bb_info[n_entities].
9840 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9842 * gcc.c (main): Correct type that is allocated for
9843 explicit_link_files.
9845 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9847 * config/s390/s390.c (init_alignment_context): Set
9848 ALIAS_SET_MEMORY_BARRIER on the MEM.
9849 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9851 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9854 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9856 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9859 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9861 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9862 * regrename.c: Ditto.
9863 * tree-ssa-loop-im.c: Ditto.
9864 * tree-dump.c: Ditto.
9865 * tree-complex.c: Ditto.
9866 * genrecog.c: Ditto.
9867 * tree-ssa-threadupdate.c: Ditto.
9869 * java/class.c: Ditto.
9870 * java/jcf-parse.c: Ditto.
9871 * java/resource.c: Ditto.
9872 * java/except.c: Ditto.
9873 * java/jvspec.c: Ditto.
9874 * java/jcf-write.c: Ditto.
9875 * java/jcf-path.c: Ditto.
9876 * java/gjavah.c: Ditto.
9877 * java/zextract.c: Ditto.
9878 * java/jcf-io.c: Ditto.
9879 * java/jcf.h: Ditto.
9880 * java/buffer.c: Ditto.
9881 * java/lang.c: Ditto.
9882 * java/parse-scan.y: Ditto.
9883 * java/lex.c: Ditto.
9884 * java/lex.h: Ditto.
9885 * cfgloopmanip.c: Ditto.
9886 * postreload-gcse.c: Ditto.
9887 * tree-ssa-loop-manip.c: Ditto.
9888 * postreload.c: Ditto.
9889 * tree-ssa-loop-ch.c: Ditto.
9893 * diagnostic.c: Ditto.
9895 * genoutput.c: Ditto.
9897 * cfghooks.c: Ditto.
9898 * cfgloopanal.c: Ditto.
9899 * objc/objc-act.c: Ditto.
9901 * genextract.c: Ditto.
9902 * genautomata.c: Ditto.
9903 * pretty-print.c: Ditto.
9905 * cgraphunit.c: Ditto.
9908 * haifa-sched.c: Ditto.
9909 * dominance.c: Ditto.
9911 * tree-ssa-loop-ivopts.c: Ditto.
9913 * mode-switching.c: Ditto.
9914 * modulo-sched.c: Ditto.
9916 * ipa-pure-const.c: Ditto.
9918 * fix-header.c: Ditto.
9920 * tree-stdarg.c: Ditto.
9921 * ipa-utils.c: Ditto.
9922 * loop-init.c: Ditto.
9923 * ipa-inline.c: Ditto.
9926 * alloc-pool.c: Ditto.
9927 * dwarf2out.c: Ditto.
9929 * genattrtab.c: Ditto.
9930 * tree-ssa-loop-ivcanon.c: Ditto.
9934 * fortran/gfortranspec.c: Ditto.
9936 * local-alloc.c: Ditto.
9937 * langhooks.c: Ditto.
9938 * function.c: Ditto.
9939 * tree-vectorizer.c: Ditto.
9941 * ipa-type-escape.c: Ditto.
9943 * tree-if-conv.c: Ditto.
9946 * tree-data-ref.c: Ditto.
9947 * loop-unroll.c: Ditto.
9948 * treelang/treetree.c: Ditto.
9951 * ggc-common.c: Ditto.
9953 * coverage.c: Ditto.
9955 * tree-cfgcleanup.c: Ditto.
9956 * tree-ssa-pre.c: Ditto.
9957 * cfgcleanup.c: Ditto.
9958 * loop-invariant.c: Ditto.
9960 * ipa-prop.c: Ditto.
9961 * print-tree.c: Ditto.
9962 * conflict.c: Ditto.
9963 * ggc-page.c: Ditto.
9964 * sched-deps.c: Ditto.
9965 * regclass.c: Ditto.
9966 * tree-object-size.c: Ditto.
9968 * bb-reorder.c: Ditto.
9969 * resource.c: Ditto.
9970 * var-tracking.c: Ditto.
9972 * df-problems.c: Ditto.
9973 * reg-stack.c: Ditto.
9976 * sched-rgn.c: Ditto.
9977 * tree-ssa-structalias.c: Ditto.
9978 * tree-ssa-reassoc.c: Ditto.
9979 * config/darwin-c.c: Ditto.
9980 * config/darwin.c: Ditto.
9981 * config/arm/arm.c: Ditto.
9983 * collect2.c: Ditto.
9986 2006-01-31 Nicolas Pitre <nico@cam.org>
9988 * arm.md (smaxsi3): Make aware of smax_m1.
9991 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9993 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9995 2006-01-31 Richard Guenther <rguenther@suse.de>
9997 * doc/invoke.texi (-msselibm): Document.
9998 * target.h (expand_library_builtin): New target hook.
9999 * builtins.c (expand_builtin): Use expand_library_builtin.
10000 (default_expand_library_builtin): New function.
10001 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10002 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10003 (link_gcc_math_spec): Declare.
10004 (static_specs): Add link_gcc_math_spec.
10005 * expr.h (default_expand_library_builtin): Declare.
10006 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10007 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10008 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10009 * config/i386/i386.opt (msselibm): New target option.
10010 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10011 (ix86_init_sse_abi_builtins): New function.
10012 (ix86_expand_library_builtin): Likewise.
10013 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10014 (override_options): Handle error conditions wrt -msselibm.
10015 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10016 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10017 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10020 2006-01-31 Richard Guenther <rguenther@suse.de>
10021 Paolo Bonzini <bonzini@gnu.org>
10023 * doc/install.texi (--disable-libgcc-math): Document.
10025 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10027 * expr.h (expand_normal): new inline function.
10028 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10029 * dojump.c: use it.
10030 * dwarf2out.c: use it.
10033 * expmed.c: use it.
10034 * except.c: use it.
10035 * config/sparc/sparc.c: use it.
10036 * config/i386/i386.c: use it.
10037 * config/rs6000/rs6000.c: use it.
10038 * config/arm/arm.c: use it.
10039 * config/mips/mips.c: use it.
10040 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10042 2006-01-30 Roger Sayle <roger@eyesopen.com>
10044 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10045 argv to the appropriate type.
10047 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10049 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10052 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10055 * config/s390/s390.c (struct machine_function): New flag
10056 decomposed_literal_pool_addresses_ok_p.
10057 (s390_reorg): Set it before final stage of literal pool transforms.
10058 (s390_decompose_address): Only accept displacements of the form
10059 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10061 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10063 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10064 the comparison routine return.
10066 2006-01-30 Michael Matz <matz@suse.de>
10068 * global.c (find_reg): Only evict for global regs.
10069 Take n_refs into account and dump more info.
10071 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10074 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10075 (pragma_trap, pragma_nosave_low_regs): Likewise.
10076 (current_function_anonymous_args): Likewise.
10077 (sh_deferred_function_attributes): New variable.
10078 (sh_deferred_function_attributes_tail): Likewise.
10079 (print_operand): For '@', look up trap_exit attribute.
10080 (calc_live_regs): Look up trapa_handler attribute. For trapa
10081 handlers, save/restore fpscr, but don't do any other
10082 interrupt-specific saves.
10083 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10084 Fix check for partially saved registers to check for SHmedia.
10085 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10086 (sh_output_function_epilogue): Don't clear any of the removed
10088 (sh_insert_attributes): Don't check pragma_interrupt.
10089 Insert deferred attributes. Check that interrupt attribute is
10090 present for other attributes that require its presence.
10091 (sh_attribute_table): Add new attributes trapa_handler and
10093 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10094 Don't check for pragma_interrupt. Don't store argument.
10095 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10096 (sh_deferred_function_attributes): Declare.
10097 (sh_deferred_function_attributes_tail): Likewise.
10098 * sh.md (sp_switch_1): Add operand. Change generator caller.
10099 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10100 (*return_i): Don't use when trap_exit attribute is in effect.
10101 (*return_trapa): New insn pattern.
10102 * sh-c.c: New file.
10103 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10104 setting c_target_objs and cxx_target_objs.
10105 * t-sh: Add rule for sh-c.o.
10107 2006-01-30 Richard Guenther <rguenther@suse.de>
10110 * gimplify.c (gimplify_target_expr): Handle easy cases
10111 without creating a temporary.
10113 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10115 * vec.h (safe_grow): Remove duplicated line.
10117 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10120 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10121 (expand_omp): ... here.
10122 (expand_omp_parallel): Only remove barriers for combined
10123 parallel+workshare constructs.
10125 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10129 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10130 * tree.c (build_qualified_type): Chain the new type to the original
10131 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10132 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10133 (build_pointer_type_for_mode): Only return unqualified types.
10134 (build_reference_type_for_mode): Likewise.
10136 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10138 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10139 * Makefile.in (CXX_COMPAT_WARN): Define.
10140 * configure: Regenerate.
10142 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10145 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10148 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10150 * toplev.c: Fix thinko.
10152 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10153 Marcin Dalecki <martin@dalecki.de>
10155 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10156 (push_srcloc): Use XNEW.
10157 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10159 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10161 * df-core.c (df_set_blocks): Deleted all variable.
10163 2006-01-28 Ian Lance Taylor <ian@airs.com>
10165 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10166 cgraph_output_pending_asms.
10168 2006-01-28 Zack Weinberg <zackw@panix.com>
10170 * c.opt: Add -W(no-)overlength-strings.
10171 * doc/invoke.texi: Document it.
10172 * c-opts.c (c_common_handle_option): -pedantic implies
10173 -Woverlength-strings, if not explicitly disabled already.
10174 (c_common_post_options): -Woverlength-strings defaults to off, and
10175 is always off for C++.
10176 * c-common.c (fix_string_type): Issue warning about strings longer
10177 than is portable only if warn_overlength_strings. Rearrange code
10178 a little for clarity.
10179 * configure.in: Check for -Wno-overlength-strings as well before
10180 enabling -pedantic in stage 1.
10181 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10182 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10184 * genconditions.c (write_header, write_one_condition)
10185 (write_conditions, write_writer): Consolidate very long strings
10186 that were broken up to fit in C89 portable limit. Don't use
10187 printf when fputs will do.
10189 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10191 * combine.c (simplify_comparison <AND>): Check
10192 TRULY_NOOP_TRUNCATION before start using a subreg.
10194 * config/mips/mips.md (*branch_zero<mode>,
10195 *branch_zero<mode>_inverted, *branch_equality<mode>,
10196 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10197 Remove mode check from comparisons.
10199 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10201 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10203 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10205 * expmed.c (const_mult_add_overflow_p): Remove.
10206 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10208 * recog.c (validate_replace_rtx_subexp): Remove.
10209 * recog.h: Remove the prototype for
10210 validate_replace_rtx_subexp.
10212 * integrate.h: Remove the prototype for
10213 copy_decl_for_inlining.
10214 * rtl.h: Remove the prototype for mark_constant_function.
10215 * tree-vectorizer.h: Remove the prototype for
10216 vect_strip_conversion.
10218 * modulo-sched.c (create_partial_schedule,
10219 free_partial_schedule, reset_partial_schedule): Make them
10222 * hooks.c (hook_bool_rtx_int_false): Remove.
10223 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10225 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10227 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10228 and -mlong-double-128 are incompatible.
10229 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10230 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10231 (TARGET_LIBGCC2_CFLAGS): Define.
10232 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10233 (TARGET_LIBGCC2_CFLAGS): Same.
10234 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10236 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10239 * c-typeck.c (build_binary_op): Perform implicit casts of
10240 operands before shortening them.
10242 * cfgloopmanip.c (split_loop_bb): Remove.
10243 * cfgloop.h: Remove the prototype for split_loop_bb.
10245 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10246 * cfgloop.h: Remove the prototype for
10247 flow_loop_outside_edge_p.
10249 * emit-rtl.c (init_virtual_regs): Make it static.
10250 * function.h: Remove the prototype for init_virtual_regs.
10252 * recog.c (peephole2_optimize): Make it static.
10253 * recog.h: Remove the prototype for peephole2_optimize.
10255 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10257 * df-scan.c (df_record_entry_block_defs): Check if
10258 INCOMING_RETURN_ADDR_RTX is defined.
10260 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10261 Kenneth Zadeck <zadeck@naturalbridge.com>
10263 PR rtl-optimization/24762
10264 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10265 * targhooks.c (hook_void_bitmap): New hook prototype.
10266 * targhoohs.h (hook_void_bitmap): Ditto.
10267 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10268 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10269 * target.h (live_on_entry): New function pointer.
10270 * df-scan.c (df_all_hard_regs): Removed.
10271 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10272 (df_scan_free_internal): Added df->entry_block_defs.
10273 (df_scan_alloc): Ditto.
10274 (df_scan_dump): Ditto.
10275 (df_uses_record): Plumbed flag field properly thru calls.
10276 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10277 This part fixes PR24762.
10278 (df_bb_refs_record): Added code to make the frame and arg
10279 pointers live in EH blocks.
10280 (df_refs_record): Added call to df_record_entry_block_defs.
10281 (df_record_entry_block_defs): New function.
10282 * df-core.c: Added comments to describe new artifical defs.
10283 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10284 (entry_block_defs): New field in struct df.
10285 (df_all_hard_regs): Deleted.
10286 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10287 * df-problems.c (df_ru_bb_local_compute_process_def):
10288 Added code to handle artifical defs in the entry to a function.
10289 (df_ru_bb_local_compute): Ditto.
10290 (df_rd_bb_local_compute_process_def): Ditto.
10291 (df_rd_bb_local_compute): Ditto.
10292 (df_lr_bb_local_compute): Ditto.
10293 (df_ur_bb_local_compute): Ditto.
10294 (df_urec_bb_local_compute): Ditto.
10295 (df_chain_create_bb): Ditto.
10296 (df_ur_local_finalize): Removed entry.
10297 (df_urec_init): Ditto.
10298 (df_urec_local_finalize): Ditto.
10299 (df_ri_bb_compute): Added detection of last use of pseudos.
10300 * Makefile.in (df-scan.o): Updated dependencies.
10301 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10302 * config/mips/mips.c (mips_set_live_on_entry): Added.
10303 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10305 * dce.c (marked_insn_p): Added code to handle artifical defs.
10307 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10309 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10311 (_mm_cvtsi128_si64): Likewise.
10312 (_mm_cvtsd_si64): Likewise.
10313 (_mm_cvttsd_si64): Likewise.
10314 (_mm_cvtsi64_sd): Likewise.
10315 (_mm_cvtsi64_si128): Likewise.
10316 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10317 (_mm_cvtsi64_m64): Likewise.
10318 (_m_to_int64): Likewise.
10319 (_mm_cvtm64_si64): Likewise.
10320 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10321 (_mm_cvttss_si64): Likewise.
10322 (_mm_cvtsi64_ss): Likewise.
10323 (_mm_cvtss_f32): Likewise.
10325 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10327 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10328 for pragma redefine_extname.
10330 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10333 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10334 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10335 -mno-minimal-toc to previous content.
10336 (bispecs): Remove goal.
10337 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10338 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10339 compatibility aliases on powerpc-*-*gnu*.
10340 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10341 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10342 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10343 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10344 (ldblspecs): New goal.
10345 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10346 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10348 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10349 L_sf_to_tf or L_df_to_tf is defined.
10351 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10352 Alan Modra <amodra@bigpond.net.au>
10355 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10356 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10357 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10358 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10359 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10360 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10361 (rs6000_override_options): Initialize rs6000_ieeequad.
10362 Initialize TFmode format to ibm_extended_format if not
10364 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10366 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10367 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10368 (function_arg_advance): IBM long double passed in two FPRs, not
10370 (function_arg): IBM long double passed in FPRs.
10371 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10372 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10373 Only multireg GPR aligned.
10374 (rs6000_init_libfuncs): Enable IBM long double functions if not
10376 (rs6000_generate_compare): Use IBM long double compare if not
10378 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10379 (TARGET_IEEEQUAD): Define.
10380 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10381 not TARGET_IEEEQUAD.
10382 * config/rs6000/rs6000.md: Enable TFmode patterns if
10384 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10385 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10386 and -mlong-double-128 are incompatible.
10387 * doc/invoke.texi (-mabi): Collect options together. Add
10388 ibmlongdouble and ieeelongdouble.
10390 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10392 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10394 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10395 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10396 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10397 * rtl.h (rtunion_def): Remove rt_ptr.
10399 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10400 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10401 * config/i386/winnt.c (i386_pe_mark_dllexport)
10402 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10404 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10406 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10408 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10412 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10413 pthread_key_delete. From John David Anglin. gthrw-ify
10414 pthread_getunique_np only if it it's not a macro. Delete
10416 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10417 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10418 __gthread_objc_condition_signal, __gthread_key_delete): Add
10419 "__attribute__ ((__unused__))" to unused arguments.
10420 (__gthread_recursive_mutex_init_function): Add missing return.
10421 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10422 gthr-posix95.h: Use macro-based approach for name redirection
10423 on targets missing weakref.
10425 2006-01-26 Zack Weinberg <zackw@panix.com>
10427 * genconditions.c (write_header): In generated code, #ifdef out
10428 all includes and fake declarations, except includes of bconfig.h
10429 and system.h, unless GCC_VERSION >= 3001. Do not include
10430 gensupport.h in any case.
10431 (write_conditions): Generate a definition of struct c_test. Add
10432 a comment to the generated #endif.
10433 (write_one_condition): Escape backslashes in string too.
10434 (write_writer): Generated code must escape backslashes and quote
10435 marks (but not newlines) in the strings it writes.
10436 * Makefile.in (build/gencondmd.o): Update dependencies.
10438 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10441 * Makefile.in (insn-automata.o): Add header file dependencies.
10442 * genautomata.c: Add includes.
10444 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10447 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10449 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10451 * configure.ac: Expect target tools paths to be passed from the toplevel
10452 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10454 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10456 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10459 * c.opt (Wpointer-sign): Init to -1.
10460 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10461 OPT_pedantic, to 0 otherwise.
10462 * doc/invoke.texi: Update.
10464 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10466 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10467 constants provided by 80387 instructions in the destination mode.
10469 2006-01-26 Richard Guenther <rguenther@suse.de>
10470 Andrew Pinski <pinskia@physics.uc.edu>
10473 partial PR tree-opt/17064
10474 * tree-ssa-structalias.c (intra_create_variable_infos):
10475 Create heap variables for incoming parameters if
10476 flag_argument_noalias > 1.
10477 (find_what_p_points_to): Look through default defs of
10480 2006-01-26 Jeff Law <law@redhat.com>
10483 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10484 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10485 within the VR_RANGE, use the VR_RANGE as the result, not the
10487 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10488 bounds for the type.
10490 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10492 * tree-ssa-alias.c (maybe_create_global_var): Change
10493 subvar walking to an assertion that we don't have subvar'd variables.
10495 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10498 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10499 Use a new variable, inner. PARM_DECLs are always non-weak.
10501 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10503 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10504 --disable-checking.
10506 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10508 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10510 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10512 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10513 (smax_insn, smin_insn, smax_0, smin_0): New.
10515 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10518 * config/cris/cris.c (cris_order_for_addsi3): New function.
10519 * config/cris/cris-protos.h: Prototype it.
10520 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10521 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10522 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10523 (split for "op.S1 [rx=rx+i],ry (swapped)")
10524 (split for "op(s|u).S1 [rx=rx+i],ry")
10525 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10526 Apply cris_order_for_addsi3 when generating addsi3 insns.
10528 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10530 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10531 (TREE_BLOCK): Add call to EXPR_CHECK.
10533 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10536 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10537 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10538 (dump_omp_clauses): ... here.
10539 (dump_generic_node): Handle OMP_CLAUSE.
10540 * tree.c (omp_clause_num_ops): New.
10541 (omp_clause_code_name): New.
10542 (tree_code_size): Handle OMP_CLAUSE.
10543 (tree_size): Likewise.
10544 (make_node): Document handling of OMP_CLAUSE.
10545 (tree_node_structure): Handle OMP_CLAUSE.
10546 (omp_clause_check_failed): New.
10547 (omp_clause_range_check_failed): New.
10548 (omp_clause_operand_check_failed): New.
10549 (build_omp_clause): New.
10550 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10551 * tree.h (enum omp_clause_code): Declare.
10552 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10553 (OMP_CLAUSE_RANGE_CHECK): Define.
10554 (OMP_CLAUSE_ELT_CHECK): Define.
10555 (omp_clause_check_failed): Declare.
10556 (omp_clause_operand_check_failed): Declare.
10557 (omp_clause_range_check_failed): Declare.
10558 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10559 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10560 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10561 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10562 (OMP_CLAUSE_IF_EXPR): Likewise.
10563 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10564 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10565 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10566 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10567 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10568 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10569 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10570 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10571 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10572 (OMP_CLAUSE_CODE): Define.
10573 (OMP_CLAUSE_SET_CODE): Define.
10574 (OMP_CLAUSE_CODE): Define.
10575 (OMP_CLAUSE_OPERAND): Define.
10576 (struct tree_omp_clause): Declare.
10577 (union tree_node): Add field 'omp_clause'.
10578 * treestruct.def (TS_OMP_CLAUSE): Define.
10579 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10580 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10581 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10582 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10583 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10584 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10585 (OMP_CLAUSE): Define.
10586 * print-tree.c (print_node): Handle OMP_CLAUSE.
10587 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10588 * c-typeck.c: Likewise.
10589 * gimplify.c: Likewise.
10590 * c-omp.c: Likewise.
10591 * tree-nested.c: Likewise.
10592 * tree-inline.c: Likewise.
10593 * c-parser.c: Likewise.
10594 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10597 2006-01-25 Roger Sayle <roger@eyesopen.com>
10599 PR rtl-optimization/25703
10600 * combine.c (try_combine): Handle zero_extract and strict_low_part
10601 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10603 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10605 * global.c: Fix comment typos.
10607 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10610 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10611 Use output_addr_const instead of assemble_name.
10613 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10615 * Makefile.in (sched-vis.o): Update dependencies.
10616 * haifa-sched.c (sched_finish): Clear current_sched_info.
10617 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10618 (dump_flow_info): Call it.
10619 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10621 * basic-block.h (dump_bb_info): Declare.
10622 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10623 option, and apply options only for dump files whose TDF_RTL,
10624 TDF_TREE, or TDF_IPA bits match.
10625 * rtl.h: Declare new functions exported from sched-vis.c.
10626 * sched-vis.c: Enable also if scheduling is not used.
10627 (print_value): Print the mode of registers if not inside scheduling.
10628 (print_insn): Make it work outside the scheduler. Beautify the output
10630 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10632 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10634 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10635 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10636 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10637 depending on the value of CONSTANT_POOL_ADDRESS_P.
10638 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10640 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10641 rather than SYMBOL_REF_DECL.
10642 (rtx_constant_pool): Remove const_rtx_sym_htab.
10643 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10644 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10645 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10646 Remove handling of const_rtx_sym_htab.
10647 (find_pool_constant): Delete.
10648 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10649 rather than find_pool_constant.
10650 (get_pool_constant_for_function): Delete.
10651 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10652 find_pool_constant.
10653 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10654 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10655 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10656 (SYMBOL_REF_CONSTANT): New macro.
10657 (get_pool_constant_for_function): Delete.
10658 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10659 rather than SYMBOL_REF_DECL.
10660 (i386_pe_mark_dllimport): Likewise.
10661 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10662 rather than SYMBOL_REF_DECL.
10663 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10664 (machopic_indirect_call_target): Likewise.
10666 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10668 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10670 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10672 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10674 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10676 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10678 2006-01-24 David Daney <ddaney@avtrex.com>
10681 * configure.ac (enable_tls): New enable option.
10682 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10683 * configure: Regenerate.
10684 * doc/install.texi (--enable-tls): Document new option.
10685 (--disable-tls): Ditto.
10687 2006-01-24 Richard Henderson <rth@redehat.com>
10689 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10690 * alias.c (true_dependence): Respect it.
10691 (canon_true_dependence, write_dependence_p): Likewise.
10692 * builtins.c (get_builtin_sync_mem): Set it.
10694 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10696 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10699 2006-01-24 DJ Delorie <dj@redhat.com>
10701 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10702 for storing constants in single-bit bitfields.
10704 2006-01-25 Ben Elliston <bje@au.ibm.com>
10706 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10708 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10711 * tree-ssa-pre.c (phi_translate): Return NULL
10712 for AGGREGATE_TYPE's.
10714 2006-01-24 Zack Weinberg <zackw@panix.com>
10716 * genautomata.c (process_state_for_insn_equiv_partition):
10717 Use xcalloc for insn_arcs_array.
10718 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10719 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10721 2006-01-24 Richard Henderson <rth@redhat.com>
10723 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10724 update all callers.
10726 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10728 PR rtl-optimization/25890
10729 PR rtl-optimization/25905
10730 * combine.c (expand_compound_operation, expand_field_assignment):
10731 Fail if the bitfield's final position is out of bounds.
10733 2006-01-24 Ian Lance Taylor <ian@airs.com>
10735 PR middle-end/25930
10736 * cgraphunit.c (cgraph_output_in_order): Don't clear
10737 cgraph_asm_nodes until after asm strings have been output.
10739 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10741 * fix-header.c (read_scan_file): Add new parameter imultilib when
10742 calling register_include_chains.
10744 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10746 * omp-low.c: Update documentation.
10748 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10749 Daniel Berlin <dberlin@dberlin.org>
10753 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10754 return from the function.
10756 2006-01-22 Zack Weinberg <zackw@panix.com>
10758 * rtl.def (match_code): Add second argument.
10759 * genpreds.c (write_extract_subexp): New function.
10760 (write_match_code): Add path argument. Use write_extract_subexp.
10761 (write_predicate_expr): Pass path to write_match_code.
10762 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10763 not perform a mode test.
10764 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10765 a subexpression does not constrain the top-level code set.
10766 * read-rtl.c (read_rtx_variadic): New function.
10767 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10768 * doc/md.texi: Document new notation.
10769 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10770 (cmpsi_operand): ... here, using new notation.
10772 2006-01-22 Zack Weinberg <zackw@panix.com>
10774 * varray.c: Remove GENERATOR_FILE #ifdefs.
10776 2006-01-22 Zack Weinberg <zackw@panix.com>
10778 * genautomata.c (output_reserved_units_table): Emit nothing if
10779 description->query_units_num is zero. Remove extra blank line.
10780 (output_cpu_unit_reservation_p): Short circuit
10781 if description->query_units_num is zero.
10783 2006-01-22 Zack Weinberg <zackw@panix.com>
10785 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10786 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10787 nor any of the random handful of variables that used to be necessary
10788 when this program was linked with rtlanal.o. Prune set of forward
10789 function declarations.
10790 (struct attr_desc): Remove static_p field.
10791 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10792 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10793 (attr_string): Do not read the character one past the length of
10795 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10796 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10797 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10798 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10799 (make_automaton_attrs): New.
10800 (main): Do not call into genautomata. Call local gen_bypass
10801 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10802 Remove special case for insn_alts.
10803 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10804 varray.h (leftover from previous change). Prune set of forward
10805 function declarations. Remove state_alts fields from all
10806 structures. Remove state_alts_table from struct automaton.
10807 Make everything except main static. Do not maintain num_dfa_decls.
10808 Do not maintain state_alts fields of various structures.
10809 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10810 (add_arc): Remove state_alts argument. All callers updated.
10811 (output_reserved_units_table): Emit #ifdef here...
10812 (output_tables): ...not here. Don't generate state_alts tables.
10813 (expand_automata): Don't generate attributes.
10814 (write_automata): Don't generate state_alts functions.
10815 (main): New function.
10816 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10817 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10818 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10819 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10820 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10821 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10822 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10823 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10825 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10826 * genattrtab.h: Delete file.
10827 * Makefile.in (OBJS-common): Add insn-automata.o.
10828 (insn-automata.o): New rule.
10829 (simple_generated_c): Add insn-automata.c.
10830 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10831 (genprogmd): Add automata.
10832 (build/genattrtab): Needs no extra objects nor libraries.
10833 (build/genautomata): Needs build/vec.o and -lm.
10835 2006-01-22 Zack Weinberg <zackw@panix.com>
10837 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10838 (output_dfa_max_issue_rate, locked_states_num): Delete.
10839 (struct automaton): Add locked_states field.
10840 (output_dead_lock_vect): Save number of locked states in
10841 automaton->locked_states. If it is zero, don't print anything.
10842 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10843 (output_internal_dead_lock_func): Only test the dead_lock_vect
10844 for automata that have locked states.
10845 (output_statistics): Always print the number of locked states for
10846 each automaton. Calculate total number of locked states here.
10847 (write_automata): Don't call output_dfa_max_issue_rate.
10848 * genattrtab.c: Define length_unit_log as a const variable.
10849 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10850 max_insn_queue_index const.
10851 * final.c (length_unit_log): Declare const.
10852 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10854 2006-01-22 Zack Weinberg <zackw@panix.com>
10856 * genautomata.c: Include vec.h, not varray.h.
10857 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10858 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10859 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10860 VEC_* macros operating on appropriately typed vectors, or to
10861 malloced arrays when the size is known in advance. Const-ify
10862 many char* variables and function arguments. No functional changes.
10863 * Makefile.in (build/varray.o): Delete rule.
10864 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10865 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10867 2006-01-22 Zack Weinberg <zackw@panix.com>
10869 * gensupport.c: Define get_insn_name and record_insn_name here.
10870 (read_md_rtx): Call record_insn_name as appropriate.
10871 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10872 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10873 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10875 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10876 (BUILD_VARRAY): Delete.
10877 (genprognormal): Rename genprogmd. Fold in all programs from
10878 genprognoprint; also attrtab.
10879 (build/genattrtab): Just mention genautomata.o and varray.o.
10880 Reorganize a bit, add comments to make the categories clearer.
10882 2006-01-22 Zack Weinberg <zackw@panix.com>
10884 * genconditions.c (condition_table, add_condition): Delete.
10885 (write_conditions): Don't emit n_insn_conditions nor
10886 insn_elision_unavailable. Issue the gcc version #ifdef here,
10887 inside the table, with no #else clause ...
10888 (write_header): ...not here.
10889 (write_writer): New function.
10890 (main): Don't initialize condition_table. Use add_c_test.
10892 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10893 files on the command line.
10894 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10895 Return -1 if there is no entry in the table, don't abort.
10896 (add_c_test, traverse_c_tests): New functions.
10897 * gensupport.h (insn_elision_unavailable, insn_conditions)
10898 (n_insn_conditions): Delete declarations.
10899 (add_c_test, traverse_c_tests): Declare.
10900 * read-rtl.c: Include gensupport.h.
10901 (read_conditions): New function.
10902 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10903 (read_rtx_1): If we get EOF when we were looking for an initial
10904 open paren, return 0. Call read_conditions when appropriate.
10905 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10906 dummy-conditions.o. Eliminate references to insn-conditions.o,
10907 or change them to build/gencondmd.o, as appropriate. Remove
10908 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10909 from $(simple_generated_c). For all files remaining in those
10910 two lists, add insn-conditions.md to the generator command line.
10911 Give insn-constants.h/s-constants their own rules. Add rules
10912 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10913 (build/read-rtl.o): Depend on gensupport.h.
10914 (genprognormal): Include preds.
10915 (genprogearly): Rename genprognoprint; only difference is now that
10916 they don't link with $(BUILD_PRINT).
10917 * dummy-conditions.c: Delete.
10919 2006-01-22 Zack Weinberg <zackw@panix.com>
10921 * genextract.c: Don't include insn-config.h. Do include vec.h.
10922 Declare vectors of int, char, and locstr.
10923 (locstr): New typedef.
10924 (struct extraction): Make all array fields into bare pointers.
10925 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10926 (insn_code_number): Delete.
10927 (accum_extract): New struct.
10928 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10929 (gen_insn): Take insn_code_number as an argument. Use an
10930 accum_extract structure instead of loading data directly into
10931 a struct extraction, and having to know how big it might get.
10932 (walk_rtx): Operate entirely on an accum_extract structure.
10933 (print_path): Avoid unnecessary use of printf.
10934 (print_header): New function, split out of main. Distinguish
10935 more carefully between an unrecognizable insn and an insn that
10936 has the code number of a define_expand.
10937 (main): Pass insn_code_number to gen_insn. Call print_header
10938 only after parsing. Avoid unnecessary use of printf.
10939 * Makefile.in (build/vec.o): New rule.
10940 (build/genextract): Depend on build/vec.o.
10941 (build/genextract.o): Don't depend on insn-config.h.
10943 2006-01-22 Zack Weinberg <zackw@panix.com>
10945 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10946 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10947 practical. Eliminate per-generator-program link rules.
10949 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10951 PR middle-end/24437
10952 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10953 with a call expr to ...
10954 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10956 2006-01-23 Richard Guenther <rguenther@suse.de>
10958 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10959 before make_edge with conditional EDGE_TRUE_VALUE.
10961 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10962 Jan Hubicka <jh@suse.cz>
10963 Richard Guenther <rguenther@suse.de>
10965 PR rtl-optimization/25654
10966 * cfgexpand.c (aggregate_contains_union_type): New function.
10967 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10968 for structure variables that contain a union type.
10970 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10972 * gengtype.c (new_structure): Return the structure.
10973 (create_option): Add an extra "next" argument.
10974 (create_field): New function.
10975 (adjust_field_rtx_def): Use create_option and create_field.
10976 Remove a now-unnecessary call to find_structure.
10977 (adjust_field_tree_def): Likewise.
10978 (note_yacc_type): Remove an unnecessary call to find_structure.
10979 * gengtype.h (new_structure): Return the structure.
10980 (create_option): Add an extra argument.
10981 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10982 (option): Adjust calls to create_option.
10984 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10986 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10988 2006-01-22 Paul Brook <paul@codesourcery.com>
10989 Peter Barada <peter@the-baradas.com>
10991 * config/m68k/m68k.md: Add Coldfire FPU support.
10992 Define FP mode macro and associated attributes.
10993 Use it for float mode patterns.
10994 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10995 (LIBCALL_VALUE): Use m68k_libcall_value.
10996 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10997 (m68k_function_value): Ditto.
10998 (emit_move_sequence): Ditto.
10999 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11000 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11001 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11002 (MULTILIB_EXCEPTIONS): Ditto.
11003 * config/m68k/m68k.opt: Add mcfv4e.
11004 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11005 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11006 (m68k_output_function_prologue): Save ColdFire FPU registers.
11007 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11008 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11009 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11010 ColdFire FPU registers.
11011 (m68k_libcall_value, m68k_function_value): New functions.
11012 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11013 (LIBCALL_VALUE): Use m68k_libcall_value.
11014 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11015 (MASK_COLDFIRE): Add MASK_CFV4E.
11016 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11017 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11018 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11019 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11020 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11021 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11022 * doc/invoke.tex: Document -mcfv4e on m68k.
11024 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11026 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11029 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11032 * c-opts.c (c_common_handle_option): Don't include
11033 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11034 * doc/invoke.texi (C++ Dialect Options): Document that
11035 -Wnon-virtual-dtor is no longer included in -Wall.
11037 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11039 * gcov.c (print_version), gcov-dump.c (print_version),
11040 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11043 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11045 * df-scan.c (problem_SCAN): Added NULL reset function.
11046 (df_scan_reset_blocks): Added code to call reset block function
11047 (df_bb_refs_delete) Fixed comment.
11048 (df_insn_refs_delete): Made tolerant of deleting non existent info
11049 for dataflow problems that need to be reset.
11050 * df-core.c (df_set_blocks): Ditto.
11051 * df.h (struct df_problem): Added reset_fun.
11052 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11053 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11054 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11055 functions to clear out all references to def-use or use-def chains.
11057 2006-01-21 Ben Elliston <bje@au.ibm.com>
11059 * varasm.c (assemble_real): Initialise data array.
11061 2006-01-20 Paul Brook <paul@codesourcery.com>
11063 Merge from csl-arm-branch.
11064 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11065 * config/arm/arm.md (movdi): Force operands[1] to a register
11066 if we have a non-register source.
11067 (*arm_movdi, *movdf_soft_insn): Require that one of the
11068 operands be a register.
11069 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11070 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11072 2006-01-20 DJ Delorie <dj@redhat.com>
11074 * varasm.c (initializer_constant_valid_p): Allow pointers
11075 initialized from integer constants of lesser precision.
11076 (output_constant): Allow non-int-sized pointer modes to be
11077 initialized from integer constants.
11079 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11082 * cppdefault.h (struct default_include): Add multilib flag.
11083 * cppdefault.c (cpp_include_defaults): Set it.
11084 * c.opt (-imultilib): New option.
11085 * c-opts.c (imultilib): New.
11086 (c_common_handle_option): Handle -imultilib.
11087 (c_common_post_options): Likewise.
11088 * c-incpath.c (add_standard_paths, register_include_chains):
11090 * c-incpath.h (register_include_chains): Add extra parameter.
11091 * gcc.c (do_spec_1): Generate -imultilib option.
11092 (The Specs Language): Update %I description.
11093 (process_command): Update copyright notice.
11094 * doc/cppopts.texi (-imultilib): Document.
11095 * doc/invoke.texi (-imultilib): Include in option summary.
11096 (%I): Update specs documentation.
11098 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11100 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11102 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11104 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11107 2006-01-20 Richard Guenther <rguenther@suse.de>
11108 Steven Bosscher <stevenb.gcc@gmail.com>
11110 PR rtl-optimization/24626
11111 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11112 EDGE_TRUE_VALUE if in RTL mode.
11115 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11116 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11118 2006-01-20 Dirk Mueller <dmueller@suse.com>
11121 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11122 instead of a special NOP marker.
11123 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11124 NOP marker handling.
11125 * c-common.h (empty_body_warning): Add forward declaration.
11126 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11127 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11129 2006-01-20 Paul Brook <paul@codesourcery.com>
11131 * Makefile.in (lang_checks): Keep going if mkdir fails.
11133 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11135 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11136 be able to clean out basic block when not necessary.
11137 (df_scan_free): Fixed to properly delete information if df is
11138 unused before calling df_finish.
11139 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11140 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11142 (df_bb_refs_delete): New function.
11143 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11144 * df-core.c (df_set_blocks): Added code to properly clean out
11145 unused blocks if they are not part of the blocks to consider.
11146 Added additional null check.
11147 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11148 be able to clean out basic block when not necessary
11149 * df.h (df_free_bb_function): Ditto.
11150 (df_bb_refs_delete): New function.
11151 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11152 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11153 basic block parameter to be able to clean out basic block when not
11155 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11156 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11157 Fixed to properly delete information if df is unused before
11160 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11162 PR rtl-optimization/25799
11163 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11164 Corrected confluence operator to remove bits from op2 before oring
11165 with op1 rather than removing bits from op1.
11166 (df_ru_transfer_function): Corrected test on wrong bitmap which
11167 caused infinite loop. Both of these problems were introduced in
11168 the dataflow rewrite.
11170 2006-01-19 DJ Delorie <dj@redhat.com>
11172 * reload1.c (find_reload_regs): Note the details of reload
11173 failures in the dump file.
11174 (spill_failure): Likewise.
11176 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11178 * loop-iv.c: Include df.h and hashtab.h.
11179 (enum iv_grd_result): New enum.
11180 (DF_REF_IV, DF_REF_IV_SET): New macros.
11181 (struct biv_entry): New.
11182 (df, bivs): New global variables.
11183 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11184 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11186 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11187 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11188 analyzed_for_bivness_p, record_biv): New functions.
11189 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11190 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11191 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11193 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11195 (iv_number_of_iterations): Use new interface to iv analysis.
11196 * loop-unroll.c: Do not include varray.h.
11197 (analyze_iv_to_split_insn): Use new interface to iv
11199 * loop-unswitch.c (may_unswitch_on): Ditto.
11200 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11202 (df_bb_modify): Realloc tables to the new index.
11203 (df_find_use): New function.
11204 * df.h (df_find_use): Declare.
11205 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11207 * cfgloop.h (struct rtx_iv): Remove analysed field.
11208 (iv_get_reaching_def): Removed.
11209 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11210 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11211 (loop-iv.o): Add df.h and hashtab.h dependency.
11212 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11214 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11217 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11219 (__floatundisf, __floatundidf): Likewise.
11220 * libgcc2.h (IS_IBM_EXTENDED): Define.
11222 2006-01-19 DJ Delorie <dj@redhat.com>
11224 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11226 2006-01-19 Paul Brook <paul@codesourcery.com>
11228 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11229 as nothrow when unwinding tables are disabled.
11231 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11234 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11235 of bit-field" when in system header.
11237 2006-01-19 DJ Delorie <dj@redhat.com>
11239 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11240 the 16 bit shift limit of the m16c.
11242 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11245 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11246 * config/i386/i386.c (output_set_got): Output the label if we have one
11247 for the TARGET_DEEP_BRANCH_PREDICTION case.
11249 2006-01-19 Jan Hubicka <jh@suse.cz>
11250 H.J. Lu <hongjiu.lu@intel.com>
11251 Evandro Menezes <evandro.menezes@amd.com>
11253 * invoke.texi (generic): Document
11255 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11256 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11257 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11258 (x86_use_incdec, x86_pad_returns): New variables
11259 (TARGET_CPU_DEFAULT_generic): New constant
11260 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11261 (enum processor_type): Add generic32 and generic64.
11262 * i386.md (cpu attribute): Add generic32/generic64
11263 (movhi splitter): Behave sanely when both partial_reg_dependency and
11264 partial_reg_stall are set.
11265 (K8 splitters): Enable for generic as well.
11266 * predicates.md (incdec_operand): Use TARGET_INCDEC
11267 (aligned_operand): Avoid memory mismatch stalls.
11268 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11269 * ppro.md: Enable for generic32
11270 * i386.c (generic64_cost, generic32_cost): New.
11271 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11272 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11273 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11274 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11275 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11276 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11277 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11278 x86_accumulate_outgoing_args, x86_prologue_using_move,
11279 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11280 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11281 Enable for generic.
11282 (x86_use_incdec, x86_pad_returns): New.
11283 (override_options): Add generic32 and generic64, translate "generic"
11284 to generic32/generic64 and "i686" to "generic32", refuse
11285 "generic32"/"generic64" as arch target.
11286 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11287 (ix86_reorg): Honor PAD_RETURNS.
11289 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11291 * tree-pretty-print.c (dump_generic_node): Handle
11292 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11293 * cgraph.c (cgraph_expand_queue): Rename from
11294 cgraph_analyze_queue. Update all users.
11295 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11296 cgraph_expand_queue.
11297 (cgraph_expand_all_functions): Likewise.
11298 (cgraph_finalize_pending_functions): Remove. Update callers.
11300 * tree.h (OMP_DIRECTIVE_P): Define.
11301 (OMP_PARALLEL_FN): Define.
11302 (OMP_PARALLEL_DATA_ARG): Define.
11303 (OMP_SECTIONS_SECTIONS): Define.
11304 * tree-pass.h (pass_expand_omp): Declare.
11305 * omp-low.c (struct omp_region): Declare.
11306 (struct omp_context): Remove fields 'parallel_type',
11307 'parallel_start_ix' and 'parallel_start_additional_args'.
11309 (struct omp_for_data): Rename from struct expand_omp_for_data.
11310 (omp_regions): New static variable.
11311 (root_omp_region): New static variable.
11312 (find_omp_clause): Make static.
11313 (is_in_combined_parallel_ctx): Remove.
11314 (is_combined_parallel): New.
11315 (extract_omp_for_data): Move earlier in the file.
11316 (workshare_safe_to_combine_p): New.
11317 (get_ws_args_for): New.
11318 (determine_parallel_type): Move earlier in the file.
11319 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11321 (omp_copy_decl): Likewise.
11322 (create_omp_child_function): Likewise.
11323 (lookup_omp_region): New.
11324 (dump_omp_region): New.
11325 (debug_omp_region): New.
11326 (debug_all_omp_regions): New.
11327 (new_omp_region): New.
11328 (scan_omp_parallel): If parallel_nesting_level > 1, the
11329 directive is nested within another parallel directive.
11330 Set OMP_PARALLEL_FN.
11331 (scan_omp_for): Do not try to handle combined parallel+for
11333 Remove FIXME comment.
11334 (scan_omp_nested): Remove.
11335 (scan_omp_1): Do not call scan_omp_nested when
11336 parallel_nesting_level is > 1.
11337 Do not change the DECL_CONTEXT of local variables found.
11338 (lookup_decl_in_outer_ctx): New.
11339 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11340 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11341 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11342 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11343 If CTX is nested, lookup VAR in the outer context when
11344 building copy assignment.
11345 (lower_send_clauses): Rename from expand_send_clauses.
11346 If CTX is nested, lookup VAR in the outer context when
11347 building copy assignments.
11348 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11349 If CTX is nested, lookup VAR in the outer context when
11350 building copy assignments.
11351 (expand_parallel_call): Rename from build_parallel_call.
11352 Handle combined parallel+workshare cases.
11353 Re-implement to emit code into the CFG.
11355 (expand_omp_parallel): Re-implement to emit code into the CFG.
11356 Call move_sese_region_to_fn to outline the sub-graph
11357 containing the parallel region.
11358 (expand_omp_for_1): Remove.
11359 (expand_omp_for_generic): Re-implement to emit code into the
11361 (expand_omp_for_static_nochunk): Likewise.
11362 (expand_omp_for_static_chunk): Likewise.
11363 (expand_omp_for): Likewise.
11364 (expand_omp_sections): Likewise.
11365 (remove_exit_barriers): New.
11366 (expand_omp_synch): New.
11368 (build_omp_regions_1): New.
11369 (build_omp_regions): New.
11370 (execute_expand_omp): New.
11371 (gate_expand_omp): New.
11372 (pass_expand_omp): Define.
11373 (lower_omp_sections): Rename from expand_omp_sections.
11374 Set OMP_SECTIONS_SECTIONS.
11375 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11376 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11377 (lower_omp_single): Rename from expand_omp_simple.
11378 (lower_omp_master): Rename from expand_omp_master.
11379 (lower_omp_ordered): Rename from expand_omp_ordered.
11380 (lower_omp_critical): Rename from expand_omp_critical.
11381 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11382 (lower_omp_for): Re-implement.
11383 (lower_omp_parallel): Re-implement.
11384 (lower_regimplify): Rename from expand_regimplify.
11385 (lower_omp_1): Rename from expand_omp_1.
11386 If there are syntax errors in the program, replace every
11387 OpenMP directive with NOP.
11388 Call lower_omp_* instead of expand_omp_*.
11389 (lower_omp): Rename from expand_omp.
11391 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11392 * tree-gimple.h (enum omp_parallel_type): Remove.
11393 (gimple_boolify): Declare extern.
11394 (find_omp_clause, determine_parallel_type): Remove.
11396 * gimple-low.c (lower_omp_directive): New.
11397 (lower_stmt): Call it.
11398 (record_vars_into): Move from ...
11399 (record_vars): ... here.
11400 Call record_vars_into with current_function_decl.
11402 * gimplify.c (struct gimplify_ctx): Remove fields
11403 combined_pre_p and combined_ctxp. Update users.
11404 (get_formal_tmp_var): Add documentation.
11405 (gimple_boolify): Make extern.
11406 (gimplify_expr_in_ctx): Remove. Update callers.
11407 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11408 will always be a BIND_EXPR.
11409 (gimplify_expr): Handle OMP_RETURN_EXPR.
11410 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11411 (OMP_PARALLEL): Add 3 operands.
11412 (OMP_SECTIONS): Add 1 operand.
11413 (OMP_RETURN_EXPR): Define.
11415 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11416 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11417 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11418 creating a circular free list.
11419 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11421 * tree-flow.h (move_sese_region_to_fn): Declare.
11422 (record_vars_into): Declare.
11423 * tree-cfg.c (make_omp_sections_edges): New.
11424 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11425 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11426 OMP_SECTIONS and OMP_SECTION.
11427 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11428 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11429 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11430 (gather_blocks_in_sese_region): New.
11431 (struct move_stmt_d): Declare.
11432 (move_stmt_r): New.
11433 (move_block_to_fn): New.
11434 (move_sese_region_to_fn): New.
11436 * passes.c (init_optimization_passes): Schedule
11437 pass_expand_omp after pass_init_datastructures.
11439 * tree-ssa-operands.c (get_expr_operands): Handle
11440 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11441 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11443 2006-01-19 Jeff Law <law@redhat.com>
11445 * tree-vrp.c (extract_range_from_assert): Refine the result range
11446 if the variable referenced by the ASSERT_EXPR has a range and
11447 either the tentative result range or the previous range is a
11450 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11452 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11454 2006-01-19 Jan Hubicka <jh@suse.cz>
11456 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11458 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11460 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11461 (expand_compound_operation, expand_field_assignment): Fail if the
11462 bit lengths of an extract operation are out of range.
11463 (make_extraction): Compute wanted_inner_mode based on the position
11464 and length of the extraction. Make it extraction_mode for non-constant
11465 positions, and do not modify offset in that case. When generating a
11466 new MEM, use a mode that can hold the extraction while keeping correct
11467 alignment. Remove code that supported MEMs wrapped by USEs.
11468 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11470 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11472 * config/s390/s390.md ("Y", "y"): New mode attribute.
11473 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11474 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11475 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11476 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11477 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11478 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11479 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11480 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11481 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11482 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11483 "addsi3", "subsi3"): Insn patterns removed.
11484 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11485 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11486 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11487 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11488 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11489 "*sub<mode>3_cconly2"): New insn patterns.
11490 ("addsi3", "subsi3"): New expanders.
11492 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11494 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11495 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11496 existing STMT_VINFO_VECTYPE if available.
11497 (vect_mark_relevant): Add special handling for stmts that are
11498 marked as STMT_VINFO_IN_PATTERN_P.
11499 (vect_analyze_loop): Call vect_pattern_recog.
11500 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11501 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11503 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11504 (vect_recog_func_ptr): New function-pointer type.
11505 * tree-vect-patterns.c: New file.
11506 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11507 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11508 (vect_pattern_recog_1): New functions.
11509 (vect_pattern_recog_funcs): New array of function pointers.
11511 * tree-vectorizer.h (ternary_op): New enum value.
11512 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11513 declaration. Revised documentation. Removed redundant dump prints.
11514 Removed redundant argument. Added support for reduction patterns.
11515 (vectorizable_reduction): Added support for reduction patterns.
11516 (vect_transform_stmt): Added support for patterns.
11518 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11519 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11520 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11521 (expand_widen_pattern_expr): New function.
11522 (init_optabs): Initialize new optabs udot_prod_optab,
11524 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11525 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11526 (expand_widen_pattern_expr): New function declaration.
11527 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11529 * tree-inline.c (estimate_num_insns_1): Added cases for new
11530 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11531 * tree-pretty-print.c (dump_generic_node): Likewise.
11532 (op_prio): Likewise.
11533 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11534 * tree-ssa-operands.c (get_expr_operands): Added case for
11536 * tree-vect-patterns.c (widened_name_p): New function.
11537 (vect_recog_dot_prod_pattern): Added function implementation.
11538 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11539 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11540 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11541 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11543 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11544 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11545 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11546 (init_optabs): Initialize new optabs widen_ssum_optab,
11548 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11549 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11550 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11551 use instead of type of def.
11552 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11553 function implementation.
11554 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11555 widen_ssumv8hi): New.
11557 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11560 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11563 * c-decl.c (add_flexible_array_elts_to_size): New function.
11564 (finish_decl): Use it.
11566 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11568 * diagnostic.h: Include options.h.
11569 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11570 dependancies for diagnostic.h.
11571 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11573 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11575 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11576 (ssa_ro_call_cache_valid): Ditto.
11577 * tree-ssa-alias.c (sort_tags_by_id): New function.
11578 (init_transitive_clobber_worklist): Ditto.
11579 (add_to_worklist): Ditto.
11580 (mark_aliases_call_clobbered): Ditto.
11581 (compute_tag_properties): Ditto.
11582 (set_initial_properties): Ditto.
11583 (compute_call_clobbered): Ditto.
11584 (compute_may_aliases): Call compute_call_clobbered and grouping.
11585 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11586 (compute_flow_insensitive_aliasing): Grouping now happens in our
11588 (setup_pointers_and_addressables): Remove clobbering related code.
11589 (add_may_alias): Ditto.
11590 (replace_may_alias): Ditto.
11591 (get_nmt_for): Ditto.
11592 (create_global_var):
11593 (is_escape_site): Return an escape_type enumeration.
11594 * tree-flow-inline.h (is_call_clobbered): Global var does not
11595 imply call clobbered.
11596 (mark_call_clobbered): Take a reason for marking this. Remove
11597 marking of globalness, and cache invalidation.
11598 (clear_call_clobbered): Remove cache invalidation code.
11599 * tree-dfa.c (dump_variable): If details is on, dump the reason
11601 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11603 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11604 (struct var_ann_d): Ditto.
11605 (enum escape_type): New.
11606 (mark_call_clobbered): Adjust prototype.
11607 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11608 are never call clobbered.
11609 Record reasons for escaping.
11610 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11611 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11612 (ssa_ro_call_cache_valid): Ditto.
11613 (clobbered_v_may_defs): Ditto.
11614 (clobbered_vuses): Ditto.
11615 (ro_call_vuses): Ditto.
11616 (clobber_stats): New.
11617 (init_ssa_operands): Zero out clobber stats.
11618 (fini_ssa_operands): Print out clobber stats.
11619 (get_call_expr_operands): Pass callee fndecl to
11620 add_call_read_ops).
11621 (add_call_clobber_ops): Remove use of cache.
11622 Add use of PURE_CONST information.
11623 (add_call_read_ops): Remove use of cache.
11624 Add use of static not_read information.
11626 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11628 Introduce TLS descriptors for i386 and x86_64.
11629 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11630 (TARGET_ANY_GNU_TLS): New macro.
11631 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11632 (struct machine_function): Add tls_descriptor_call_expanded_p.
11633 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11634 (ix86_current_function_calls_tls_descriptor): Likewise.
11635 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11636 (override_options): Introduce gnu2 tls dialect.
11637 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11639 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11641 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11642 (ix86_init_machine_status): Initialize new field.
11643 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11644 (ix86_tls_module_base): New.
11645 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11646 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11647 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11648 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11649 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11650 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11651 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11652 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11653 * config/i386/predicates.md (tls_modbase_operand): New.
11654 (tp_or_register_operand): New.
11656 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11658 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11659 (look_for_address_of): Ditto.
11660 (ipa_init): Walk the function decls.
11661 (static_execute): Don't set readonly on FUNCTION_DECL's.
11663 2006-01-18 Roger Sayle <roger@eyesopen.com>
11665 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11666 for shifts where the source and destination registers are different.
11668 2006-01-18 Paul Brook <paul@codesourcery.com>
11670 Merge from csl-arm-branch.
11671 2005-03-14 Julian Brown <julian@codesourcery.com>
11672 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11673 (aeabi_llsl): Likewise.
11674 (ashrdi3): Likewise.
11675 (aeabi_lasr): Likewise.
11676 (lshrdi3): Likewise.
11677 (aeabi_llsr): Likewise.
11678 2005-03-10 Julian Brown <julian@codesourcery.com>
11679 * config.gcc: Disable shared libgcc for SymbianOS.
11680 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11682 2006-01-18 DJ Delorie <dj@redhat.com>
11684 * c-pragma.c (handle_pragma_diagnostic): New.
11685 (init_pragma): Register it.
11686 * doc/extend.texi: Document it.
11688 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11689 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11690 (diagnostic_context): Add classify_diagnostic[].
11691 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11692 as errors if they're overridden to DK_WARNING.
11693 (diagnostic_initialize): Initialize classify_diagnostic[].
11694 (diagnostic_set_kind_override): New.
11695 (diagnostic_report_diagnostic): Check for kind changes.
11696 * opts.c (common_handle_option): Take lang_mask. Update callers.
11697 Handle OPT_Werror_.
11698 * common.opt (Werror=): New.
11699 * doc/invoke.texi: Document -Werror=*
11701 2006-01-18 Jeff Law <law@redhat.com>
11703 * tree-vrp.c (test_for_singularity): Correct test for new
11704 min limit. Use operand_equal_p rather than pointer equality
11705 for testing if new min/max values are equal.
11707 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11708 using range information until after propagation and folding.
11710 2006-01-18 Richard Henderson <rth@redhat.com>
11711 Aldy Hernandez <aldyh@redhat.com>
11712 Jakub Jelinek <jakub@redhat.com>
11713 Diego Novillo <dnovillo@redhat.com>
11715 * omp-low.c: New file.
11716 * c-omp.c: New file.
11718 2006-01-18 Richard Henderson <rth@redhat.com>
11719 Jakub Jelinek <jakub@redhat.com>
11720 Diego Novillo <dnovillo@redhat.com>
11722 * doc/invoke.texi: Document -fopenmp.
11723 * tree-dump.h (debug_function): Declare.
11724 * hooks.c (hook_bool_tree_bool_false): New function.
11725 (hook_tree_tree_null): Remove.
11726 (hook_tree_tree_tree_null): New.
11727 * hooks.h: Update to match.
11728 * tree-pretty-print.c (debug_tree_chain): New.
11729 (print_generic_expr): Handle TDF_CHAIN.
11730 (dump_generic_node): Handle BLOCK.
11731 Do not abort with incomplete SWITCH_EXPRs.
11732 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11733 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11734 print space after directive name.
11735 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11736 Handle OMP_MASTER and OMP_ORDERED.
11737 Handle printing of OMP_BODY just in one place, goto
11738 dump_omp_body in the rest of OMP_* nodes that have
11740 Don't handle clause nodes here. Update omp statements to
11741 use dump_omp_clauses.
11742 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11743 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11744 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11745 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11746 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11747 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11748 Adjust output for GOMP_PARALLEL.
11749 (dump_omp_clauses): New.
11750 (print_declaration): Dump DECL_VALUE_EXPR.
11751 (op_symbol_1): Split out of op_symbol.
11752 (dumping_stmts): Remove. Update all users.
11753 * cgraph.c (cgraph_analyze_queue): New.
11754 (cgraph_add_new_function): New.
11755 * cgraph.h (cgraph_analyze_queue): Declare.
11756 (cgraph_add_new_function): Declare.
11757 (cgraph_lower_function): Remove.
11758 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11759 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11760 and TYPE_P nodes in its default clause.
11761 (empty_body_p): New.
11762 (tree_range_check_failed): New.
11763 (build5_stat): New.
11764 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11765 OMP_CLAUSE_REDUCTION_MERGE,
11766 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11767 OMP_CLAUSE_PRIVATE_DEBUG,
11768 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11769 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11770 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11771 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11772 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11773 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11774 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11775 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11776 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11777 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11778 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11779 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11780 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11781 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11782 (TREE_RANGE_CHECK): New.
11783 (empty_body_p): Declare.
11784 (enum omp_clause_default_kind): New.
11785 (build_string_literal): Declare.
11786 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11787 (build5_stat, build5): Declare.
11788 * tree-pass.h (TDF_CHAIN): Define.
11789 * tree-pass.h (PROP_gimple_lomp): Define.
11790 (pass_lower_omp): Declare.
11791 * diagnostic.h (debug_tree_chain): Declare.
11792 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11794 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11795 * builtins.c (build_string_literal): Make extern.
11796 * gcc.c (include_spec_function): New.
11797 (static_spec_functions): Add it.
11798 (main): Move load of libgomp.spec ...
11799 (LINK_COMMAND_SPEC): ... here.
11800 (link_gomp_spec): New.
11801 (static_specs): Include it.
11802 (LINK_COMMAND_SPEC): Add link_gomp.
11803 (GOMP_SELF_SPECS): New.
11804 (driver_self_specs): Include it.
11805 (switch_matches): Don't mark inline.
11806 (main): Load libgomp.spec.
11807 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11808 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11809 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11810 * tree-gimple.h (enum omp_parallel): Declare.
11811 (determine_parallel_type): Declare.
11812 (omp_firstprivatize_variable): Declare.
11813 (omp_reduction_init): Declare.
11814 (diagnose_omp_structured_block_errors): Declare.
11815 (struct walk_stmt_info): Add want_return_expr.
11816 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11817 (find_omp_clause): Declare.
11818 (insert_field_into_struct): Declare.
11819 (struct walk_stmt_info): Move from tree-nested.c
11820 (walk_stmts): Declare.
11821 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11823 * cgraphunit.c (cgraph_lower_function): Make static.
11824 (cgraph_finalize_pending_functions): New.
11825 (cgraph_finalize_function): Call it.
11826 (cgraph_finalize_compilation_unit): Likewise.
11827 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11828 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11829 (BT_FN_UINT_UINT): New.
11830 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11831 DEF_FUNCTION_TYPE_VAR_4): Document.
11832 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11833 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11834 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11835 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11836 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11837 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11838 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11839 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11840 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11841 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11842 into separate files.
11843 (DEF_GOMP_BUILTIN): New.
11844 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11845 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11846 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11847 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11848 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11849 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11850 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11851 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11852 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11853 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11854 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11855 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11856 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11857 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11858 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11859 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11860 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11861 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11862 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11863 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11864 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11865 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11866 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11867 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11868 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11869 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11870 * sync-builtins.def: New file, moved from builtins.def.
11871 * omp-builtins.def: New file, moved from builtins.def.
11872 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11873 * gimple-low.c (lower_function_body): Clear data.
11874 (lower_stmt): Do not handle COMPOUND_EXPR.
11875 Remove call to print_node_brief.
11876 * c-tree.h (c_finish_omp_clauses): New prototype.
11877 (C_DECL_THREADPRIVATE_P): Define.
11878 (lookup_name_no_remap, c_omp_remap_private): Remove
11879 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11880 (check_for_loop_decls): Update decl.
11881 (lookup_name_no_remap, c_omp_remap_private): Declare.
11882 (build_indirect_ref, build_modify_expr, pushdecl,
11883 pushdecl_top_level): Move to c-common.h.
11884 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11885 before the switch, but just in the 2 places that need it.
11886 * c-decl.c (diagnose_mismatched_decls): Do not check for
11887 mismatched thread-local attributes when OLDDECL is marked
11888 threadprivate and NEWDECL has no thread-local attributes.
11889 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11890 (c_gimple_diagnostics_recursively): Rename from
11891 c_warn_unused_result_recursively. Invoke
11892 diagnose_omp_structured_block_errors.
11893 (check_for_loop_decls): Return a singular decl found.
11894 * langhooks.c (lhd_omp_predetermined_sharing): Return
11895 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11896 (lhd_omp_firstprivatize_type_sizes): New.
11897 (lhd_omp_assignment): New.
11898 (lhd_omp_predetermined_sharing): New.
11899 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11900 (struct lang_hooks_for_types): Add
11901 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11902 omp_predetermined_sharing, omp_disregard_value_expr,
11903 omp_private_debug_clause, omp_clause_default_ctor,
11904 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11905 (c_finish_omp_clauses): New.
11906 (c_finish_bc_stmt): Diagnose break within omp for.
11907 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11908 (build_unary_op): Return error_mark after reporting
11910 (build_modify_expr): Likewise.
11911 * gimplify.c: Include optabs.h and pointer-set.h.
11912 (enum gimplify_omp_var_data): Declare.
11913 (struct gimplify_omp_ctx): Declare.
11914 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11916 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11917 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11918 (splay_tree_compare_decl_uid): New.
11919 (new_omp_context): New.
11920 (delete_omp_context): New.
11921 (gimple_add_tmp_var): Call omp_add_variable.
11922 (gimplify_bind_expr): Likewise.
11923 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11924 true, disregard DECL_VALUE_EXPR on the decl if any.
11925 (gimplify_expr_in_ctx): New.
11926 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11927 omp_add_variable, omp_notice_variable, omp_is_private
11928 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11929 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11930 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11931 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11932 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11933 gimplify_omp_atomic): New.
11934 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11935 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11936 OMP_CRITICAL and OMP_ATOMIC.
11937 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11938 * c-pragma.h (enum pragma_kind): Add
11939 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11940 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11941 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11942 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11943 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11944 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11945 PRAGMA_OMP_THREADPRIVATE.
11946 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11947 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11948 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11949 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11950 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11951 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11952 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11953 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11954 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11955 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11956 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11957 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11958 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11960 (struct nesting_info): Add field_map,
11961 suppress_expansion, debug_var_chain.
11962 (create_nesting_tree): Initialize them.
11963 (lookup_field_for_decl): Use field_map.
11964 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11965 (convert_local_omp_clauses): New.
11966 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11967 (walk_body): Split out of walk_function.
11968 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11969 (convert_nonlocal_reference): Handle omp statements.
11970 (convert_local_reference): Likewise.
11971 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11972 (unnest_nesting_tree): New.
11973 (lower_nested_functions): Call it.
11974 (insert_field_into_struct): Make extern.
11975 (struct walk_stmt_info): Move to tree-gimple.h.
11976 (walk_stmts): Make extern.
11977 * omp-builtins.def: New file.
11978 * tree-iterator.c (expr_only): Clarify comment.
11979 * c-common.h (pushdecl_top_level, pushdecl,
11980 build_modify_expr, build_indirect_ref,
11981 c_finish_omp_master, c_finish_omp_critical,
11982 c_finish_omp_ordered, c_finish_omp_barrier,
11983 c_finish_omp_atomic, c_finish_omp_flush,
11984 c_finish_omp_for, c_split_parallel_clauses,
11985 omp_clause_default_kind, c_omp_sharing_predetermined,
11986 c_omp_remap_decl): Declare.
11987 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11988 (OBJS-common): Add omp-low.o.
11989 (c-omp.o, omp-low.o): Add.
11990 (gimplify.o): Add dependency on $(OPTABS_H).
11991 (GTFILES): Add omp-low.c.
11992 (gt-stringpool.h): Add.
11993 * tree-cfg.c (set_bb_for_stmt): Do not update the
11994 block-to-labels map if we are currently expanding to RTL.
11995 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11997 Handle IDENTIFIER_NODE.
11998 (tree_verify_flow_info): Do not ICE when emitting error
11999 messages about invalid labels.
12000 (dump_function_to_file): Reset CFUN before emitting the body
12002 (debug_function): New.
12003 * passes.c (init_optimization_passes): Schedule
12005 * langhooks-def.h (lhd_omp_predetermined_sharing,
12006 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12008 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12009 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12010 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12011 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12012 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12013 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12014 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12015 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12016 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12017 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12018 (LANG_HOOK_DECLS): Use them.
12020 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12021 Richard Henderson <rth@redhat.com>
12022 Jakub Jelinek <jakub@redhat.com>
12023 Diego Novillo <dnovillo@redhat.com>
12025 * c-parser.c (pragma_omp_clause): Define.
12026 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12027 (c_parser_compound_statement): Likewise.
12028 (c_parser_statement): Likewise.
12029 (c_parser_pragma): Handle omp pragmas.
12030 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12031 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12032 (c_parser_omp_clause_name, check_no_duplicate_clause,
12033 c_parser_omp_variable_list,
12034 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12035 c_parser_omp_clause_copyprivate,
12036 c_parser_omp_clause_default,
12037 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12038 c_parser_omp_clause_lastprivate,
12039 c_parser_omp_clause_nowait,
12040 c_parser_omp_clause_num_threads,
12041 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12042 c_parser_omp_clause_reduction,
12043 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12044 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12045 c_parser_omp_atomic, c_parser_omp_barrier,
12046 c_parser_omp_critical, c_parser_omp_flush,
12047 c_parser_omp_for_loop, c_parser_omp_for,
12048 c_parser_omp_master, c_parser_omp_ordered,
12049 c_parser_omp_sections_scope, c_parser_omp_sections,
12050 c_parser_omp_parallel, c_parser_omp_single,
12051 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12052 * c-pragma.c (init_pragma): Do omp pragma registration here.
12053 * c.opt (fopenmp): New flag.
12055 2006-01-18 Eric Christopher <echristo@apple.com>
12057 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12058 * config/darwin.h (GOMP_SELF_SPECS): Define.
12060 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12062 * rtl.h: Remove the prototype for reg_alloc.
12064 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12067 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12068 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12069 sjlj and dwarf2 exception handling.
12070 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12071 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12072 * pa/pa.c (function_value): Treat complex and vector types as
12074 (function_arg): Likewise. Only pass scalar floats in the floating
12075 point argument registers.
12076 * pa/t-slibgcc-dwarf-ver: New file.
12077 * pa/t-slibgcc-sjlj-ver: New file.
12078 * pa/t-slibgcc-elf-ver: Delete file.
12080 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12082 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12083 unlikely_test_section_p test.
12085 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12087 * mode-switching.c (optimize_mode_switching): Make it static.
12088 * basic-block.h: Remove the prototype for
12089 optimize_mode_switching.
12091 * modulo-sched.c (sms_schedule): Make it static.
12092 * rtl.h: Remove the prototype for sms_schedule.
12094 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12095 * rtl.h: Remove the prototype for gcse_after_reload_main.
12097 * reg-stack.c (reg_to_stack): Make it static.
12098 * rtl.h: Remove the prototype for reg_to_stack.
12100 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12102 * rtl.h: Remove the prototypes for regrename_optimize and
12103 copyprop_hardreg_forward.
12105 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12107 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12108 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12109 Test against the appropriate null constant for the mode.
12110 If 'fixup_overlap' is true, swap the operands if they overlap.
12111 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12112 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12113 alpha_split_tmode_pair and adjust for above change.
12114 * config/alpha/alpha.md (movtf_internal): Adjust call to
12115 alpha_split_tfmode_pair and rely on it to swap the operands.
12116 (movti_internal): New insn and post-reload splitter.
12117 (movti): New expander.
12119 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12121 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12124 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12126 * rtlanal.c (global_reg_mentioned_p_1,
12127 global_reg_mentioned_p): Remove.
12128 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12130 * flow.c (initialize_uninitialized_subregs): Make it static.
12131 * rtl.h: Remove the prototype for
12132 initialize_uninitialized_subregs.
12134 * function.c (instantiate_virtual_regs): Make it static.
12135 * function.h: Remove the prototype for
12136 instantiate_virtual_regs.
12138 * regmove.c (regmove_optimize, combine_stack_adjustments):
12140 * rtl.h: Remove the prototypes for regmove_optimize and
12141 combine_stack_adjustments.
12143 2006-01-17 Roger Sayle <roger@eyesopen.com>
12145 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12146 (size_cost): Encode costs in bytes so that a reg-reg addition is
12147 equivalent to COSTS_N_INSNS(1).
12148 (override_options): Use the size_cost.branch_cost as the default
12149 ix86_branch_cost when optimizing for size.
12151 2006-01-18 Ben Elliston <bje@au.ibm.com>
12153 * Makefile.in (D32PBIT_FUNCS): New.
12154 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12155 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12156 D64PBIT_FUNCS and D128PBIT_FUNCS.
12157 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12158 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12160 (decnumber_dep): Define.
12161 * doc/libgcc.texi (Decimal float library routines): New node.
12162 * config/dfp-bit.h, config/dfp-bit.c: New files.
12164 2006-01-18 Ben Elliston <bje@au.ibm.com>
12166 * expr.c (emit_move_change_mode): Always adjust addresses, not
12167 just during reload. Copy replacements only during reload.
12168 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12169 emit_move_via_integer.
12171 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12173 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12174 instead of $(srcdir) and ${srcdir}.
12176 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12179 PR middle-end/11135
12180 * arm.h (struct machine_function): Add pic_reg.
12181 * arm.c (arm_pic_register): Make unsigned.
12182 (arm_override_options): Only set arm_pic_register if
12183 TARGET_SINGLE_PIC_BASE.
12184 (use_return_insn): Only test for a pic register if it is fixed.
12185 (arm_compute_save_reg0_reg12_mask): Likewise.
12186 (thumb_compute_save_reg_mask): Likewise.
12187 (legitimate_pic_operand): Factor out some known invariants.
12188 (legitimize_pic_address): If we don't have a fixed pic register,
12189 then set up a pseudo in the function entry sequence. Handle the
12190 pic base being in a pseudo.
12191 (arm_load_pic_register): Handle the pic register being in a pseudo.
12192 (arm_expand_prologue): Only set up the pic register if it is fixed.
12193 (thumb_expand_prologue): Likewise.
12194 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12195 (pic_load_addr_based_insn): Likewise.
12196 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12199 2006-01-18 Ben Elliston <bje@au.ibm.com>
12201 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12202 decimal float modes for all floating point registers.
12204 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12205 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12207 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12210 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12211 even when the pointer is not NULL.
12213 2006-01-16 Ian Lance Taylor <ian@airs.com>
12215 * common.opt (ftoplevel-reorder): New option.
12216 * cgraph.c (cgraph_asm_nodes): New global variable.
12217 (cgraph_asm_last_node): New static variable.
12218 (cgraph_order): New global variable.
12219 (cgraph_create_node): Set new order field.
12220 (cgraph_varpool_node): Likewise.
12221 (decide_is_variable_needed): Return true if not
12222 flag_toplevel_reorder.
12223 (cgraph_add_asm_node): New function.
12224 * cgraph.h (struct cgraph_node): Add order field.
12225 (struct cgraph_varpool_node): Add order field.
12226 (struct cgraph_asm_node): Define.
12227 (cgraph_asm_nodes, cgraph_order): Declare.
12228 (cgraph_add_asm_node): Declare.
12229 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12231 (cgraph_varpool_assemble_pending_decls): Call it.
12232 (cgraph_output_pending_asms): New static function.
12233 (cgraph_finalize_compilation_unit): Call it.
12234 (struct cgraph_order_sort): Define.
12235 (cgraph_output_in_order): New static function.
12236 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12237 !flag_toplevel_reorder case.
12238 * c-parser.c: Include "cgraph.h".
12239 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12241 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12242 than -fno-unit-at-a-time.
12243 * doc/invoke.texi (Option Summary): Mention
12244 -fno-toplevel-reorder.
12245 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12246 -funit-at-a-time documentation.
12248 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12249 Kazu Hirata <kazu@codesourcery.com>
12251 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12253 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12255 * Makefile.in (FUNCTION_H): New. Use it instead of
12256 function.h throughout the file.
12257 * function.h: Include tree.h.
12259 2006-01-17 Ben Elliston <bje@au.ibm.com>
12261 * recog.c: Separate some functions with whitespace.
12263 2006-01-16 Richard Henderson <rth@redhat.com>
12265 Merge from gomp branch:
12266 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12267 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12268 and rename from struct inline_data. Rename callee* to dst*;
12269 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12270 transform_new_cfg, transform_return_to_modify, and
12271 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12273 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12274 (copy_decl_for_dup): Remove.
12275 * tree-inline.c (struct inline_data): Move to header.
12276 (insert_decl_map): Export.
12277 (remap_decl): Update for member name changes. Use copy_decl hook.
12278 Allow for replacement to be a non-decl. Remove dead code.
12279 (remap_type_1): Check for existing mapping.
12280 (remap_type): Export.
12281 (remap_decls): Update for member name changes.
12282 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12283 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12284 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12285 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12286 (tree_function_versioning, build_duplicate_type): Likewise.
12287 (copy_body_r): Likewise. Export.
12288 (copy_decl_for_dup): Split into ...
12289 (copy_decl_for_dup_finish, copy_decl_to_var,
12290 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12291 (replace_ref_tree, inlining_p): Remove.
12293 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12295 * ifcvt.c (if_convert): Make it static.
12296 * rtl.h: Remove the prototype for if_convert.
12298 * local-alloc.c (local_alloc): Make it static.
12299 * rtl.h: Remove the prototype for local_alloc.
12301 * loop.c (loop_optimize): Make it static.
12302 * cfgloop.h: Remove the prototype for loop_optimize.
12305 2006-01-16 DJ Delorie <dj@redhat.com>
12307 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12310 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12312 * pa.md: Disparage copies between general and floating-point registers
12313 in 32-bit move patterns.
12315 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12318 * Makefile.in (check-%): Depend on site.exp instead of
12319 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12322 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12324 * global.c (global_alloc): Make it static.
12325 * rtl.h: Remove the prototype for global_alloc.
12327 2006-01-16 Richard Guenther <rguenther@suse.de>
12329 * tree-ssa-alias.c (struct used_part): Add write_only field.
12330 (get_or_create_used_part_for): Initialize it to true.
12331 (create_overlap_variables_for): Don't create structure variables
12332 for structures that only are written to.
12333 (find_used_portions): Handle MODIFY_EXPR to track whether a
12334 structure is only written to.
12336 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12338 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12340 * basic-block.h: Remove the prototype for
12341 partition_hot_cold_basic_blocks.
12343 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12345 * cppspec.c (lang_specific_spec_functions): Remove.
12346 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12347 * gcc.h (lang_specific_spec_functions): Remove.
12348 * gccspec.c (lang_specific_spec_functions): Remove.
12350 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12352 * combine.c (record_value_for_reg): Invalidate registers
12354 (record_dead_and_set_regs_1): Likewise, by passing them to
12355 record_value_for_reg.
12356 (record_dead_and_set_regs): Invalidate stores made by a
12357 call. We do not combine across a call, but we still
12358 relied on equivalences.
12360 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12362 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12363 vrp_int_const_binop returning non-constant nodes.
12365 2006-01-16 Paul Brook <paul@codesourcery.com>
12367 * config/m68k/m68k.c (output_move_const_into_data_reg):
12368 Output correct mnemonic for mvz and mvs.
12370 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12372 * rtl-factoring.c: Add sequence abstraction algorithm.
12373 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12374 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12376 (block_has_preserve_label): New function.
12377 * common.opt: Register new pass.
12378 * Makefile.in: Ditto.
12380 * timevar.def: Ditto.
12381 * tree-pass.h: Ditto.
12382 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12383 * rtl.h (make_jump_insn_raw): Add forward decl.
12384 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12386 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12387 Roger Sayle <roger@eyesopen.com>
12389 * fold-const.c (fold_minmax): New static function.
12390 (fold_binary) <MIN_EXPR>: Call it.
12391 <MAX_EXPR>: Likewise.
12392 * stor-layout.c (place_field): Use DECL_SIZE consistently
12393 in the computation of the new record size.
12395 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12397 * cse.c (cse_condition_code_reg): Make it static.
12398 * rtl.h: Remove the prototype for cse_condition_code_reg.
12400 * combine.c (combine_instructions): Make it static.
12401 * rtl.h: Remove the prototype for combine_instructions.
12403 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12406 * tree.c (get_file_function_name_long): Concatenate the first global
12407 object name with a string derived from the input filename of the object
12410 2006-01-16 Ben Elliston <bje@au.ibm.com>
12412 * config/i386/winnt-stubs.c: Update FSF address.
12413 * config/xtensa/ieee754-df.S: Ditto.
12414 * config/xtensa/ieee754-sf.S: Ditto.
12416 2006-01-14 Ian Lance Taylor <ian@airs.com>
12418 * ifcvt.c (noce_init_if_info): New static function, broken out of
12419 noce_process_if_block.
12420 (noce_process_if_block): Call noce_init_if_info.
12421 (check_cond_move_block): New static function.
12422 (cond_move_process_if_block): New static function.
12423 (process_if_block): Call cond_move_process_if_block.
12425 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12427 * cselib.c (hash_table): Rename to cselib_hash_table.
12428 (cselib_clear_table, discard_useless_values,
12429 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12430 cselib_init, cselib_finish): Adjust uses of hash_table.
12432 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12434 PR tree-optimization/25485
12435 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12436 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12437 is known to be false and true, respectively.
12439 2006-01-14 Richard Guenther <rguenther@suse.de>
12441 PR tree-optimization/22548
12442 PR tree-optimization/22555
12443 PR tree-optimization/22501
12444 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12445 * params.def (salias-max-array-elements): New parameter.
12446 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12447 * doc/invoke.texi (salias-max-array-elements): Document.
12448 * tree-flow-inline.h (var_can_have_subvars): We also handle
12450 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12452 * tree-ssa-structalias.c (params.h): Include.
12453 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12454 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12455 (get_constraint_for): For ADDR_EXPR operating on something
12456 containing an ARRAY_REF, add all subvars to the solution.
12457 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12458 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12459 for creating MUST_DEFs.
12460 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12462 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12464 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12466 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12467 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12468 number_of_iterations_le): New functions.
12469 (number_of_iterations_special): Removed.
12470 (number_of_iterations_exit): Do not use number_of_iterations_special.
12471 * tree.c (unsigned_type_for): Always return integer type.
12473 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12474 Richard Guenther <rguenther@suse.de>
12476 PR rtl-optimization/24257
12477 * gcse.c (find_moveable_store): Only consider a store movable
12478 when the SET_SRC of the insn can be assigned to a register.
12480 2006-01-14 Ian Lance Taylor <ian@airs.com>
12482 * tree.c (tree_not_class_check_failed): New function.
12483 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12484 (tree_not_class_check_failed): Declare.
12486 2006-01-13 Ian Lance Taylor <ian@airs.com>
12488 * reload1.c (do_output_reload): Add assertion rejecting a
12491 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12493 * combine.c (struct reg_stat): Add new fields truncation_label and
12495 (record_value_for_reg): Reset truncated_to_mode.
12496 (record_truncated_value): New function.
12497 (check_promoted_subreg): Call it. Rename to check_conversions.
12498 (combine_instructions): Rename check_promoted_subreg to
12500 (reg_truncated_to_mode): New function.
12501 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12502 (gen_lowpart_or_truncate): New function.
12503 (force_to_mode): Use it instead of gen_lowpart.
12505 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12507 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12508 VAR is a tag, not its type tag.
12510 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12512 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12513 alternatives to match style of other entries.
12514 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12516 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12518 PR tree-optimization/25771
12519 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12522 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12525 * tree-inline.c (declare_return_variable): If the return variable
12526 was marked as a non gimple complex, set the return slot variable
12527 to be a non gimple comple variable.
12529 2006-01-13 Richard Guenther <rguenther@suse.de>
12531 * builtins.c (expand_builtin_sincos): New function.
12532 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12534 (expand_builtin): Expand sincos using expand_builtin_sincos.
12536 2006-01-12 DJ Delorie <dj@redhat.com>
12538 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12539 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12540 so that constant shifts can be split.
12541 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12542 (m32c_valid_pointer_mode): Make static.
12543 (shift_gen_func_for): New.
12544 (m32c_prepare_shift): Use it. Split large const shifts into
12546 * config/m32c/predicates.md (shiftcount_operand): Allow more
12548 (longshiftcount_operand): New.
12549 * doc/md.texi (Machine Constraints): Document In6.
12551 2006-01-13 Ben Elliston <bje@au.ibm.com>
12553 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12554 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12557 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12559 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12560 to try to avoid clobbering pieces of structures when we know
12561 something about the whole structure.
12562 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12564 2006-01-13 Ben Elliston <bje@au.ibm.com>
12566 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12567 return in memory, as this is no limitation is no longer present.
12569 2006-01-12 DJ Delorie <dj@redhat.com>
12571 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12572 mova with fb, and for fb+0 -> An.
12574 * config/m32c/mov.md (peephole2): Fix enabling logic.
12576 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12577 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12578 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12579 FINI_ARRAY_SECTION_ASM_OP): Define.
12581 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12583 (m32c_legitimize_reload_address): New logic to reload FB to An.
12584 (m32c_output_reg_push): Add newline.
12585 (m32c_output_reg_pop): Likewise.
12587 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12589 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12591 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12593 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12595 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12597 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12600 2006-01-11 Ben Elliston <bje@au.ibm.com>
12602 * rtlanal.c (find_reg_note): Assert insn is not null.
12604 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12606 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12609 2006-01-11 Jeff Law <law@redhat.com>
12611 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12613 (mark_threaded_blocks, register_jump_thread): New functions.
12614 (thread_through_all_blocks): Remove unwanted argument. No
12615 longer rely on e->aux to communicate thread target info.
12616 Call mark_threaded_blocks. Release the threaded_blocks
12617 bitmap and threaded_edges vector when complete.
12618 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12619 (threaded_blocks): Remove.
12620 (tree_ssa_dominator_optimize): Remove initialization and
12621 finalization of threaded_blocks. Simplify call to
12622 thread_through_all_blocks.
12623 (thread_across_edge): Call register_jump_thread rather than
12624 storing thread information into e->aux.
12625 (free_all_edge_infos): Simplify now that e->aux is no longer
12626 used to communicate with thread_through_all_blocks.
12627 * tree-flow.h (thread_through_all_blocks): Update prototype.
12628 (register_jump_thread): Prototype.
12630 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12632 * df-core.c (df_compact_blocks, df_bb_replace): Use
12633 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12635 2006-01-11 Richard Guenther <rguenther@suse.de>
12637 PR tree-optimization/25734
12638 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12639 stop propagation after successful propagation to the LHS.
12641 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12643 * basic-block.h (control_flow_graph): Change the type of
12644 x_basic_block_info to VEC(basic_block,gc) *.
12645 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12647 (SET_BASIC_BLOCK): New.
12648 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12649 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12650 * cfgbuild.c (find_basic_blocks): Likewise.
12651 * cfglayout.c (fixup_reorder_chain): Likewise.
12652 * cfgrtl.c (create_basic_block_structure,
12653 rtl_create_basic_block): Likewise.
12654 * ifcvt.c (find_if_case_1): Likewise.
12655 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12658 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12660 * Makefile.in: Removed rotted odf.c entry.
12662 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12665 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12666 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12667 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12668 output pattern modifier, not %e.
12669 * config/cris/cris.c (cris_op_str): Update comment about pattern
12671 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12672 before falling through into...
12673 <case 'E'>: Redefined from old 'e' case.
12675 2006-01-11 Jan Hubicka <jh@suse.cz>
12678 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12680 2006-01-11 Jan Hubicka <jh@suse.cz>
12682 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12683 * i386.c (x86_decompose_lea): Kill.
12684 (ix86_rtx_costs): Kill.
12686 2006-01-11 Jan Hubicka <jh@suse.cz>
12688 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12689 * cgraph.h (cgraph_node): Add inline_decl.
12690 (cgraph_insert_node_to_hashtable): Declare.
12691 (save_inline_function_body): Declare.
12692 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12694 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12695 (cgraph_function_versioning): Update call of tree_function_versioning.
12696 (save_inline_function_body): New function.
12697 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12698 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12699 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12700 (cgraph_default_inline_p): Likewise.
12701 (cgraph_decide_inlining_incrementally): Likewise.
12702 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12703 (copy_bb): Kill saving; do updating of clones.
12704 (copy_cfg_body): Kill saving.
12705 (initialize_inlined-parameters): Likewise.
12706 (expand_call_inline): Likewise.
12708 (tree_function_versioning): New parameter "update_clones".
12709 (inlining_p): Kill saving.
12710 * tree-inline.h (tree_function_versioning): Update prototype.
12711 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12714 2006-01-11 Ian Lance Taylor <ian@airs.com>
12716 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12717 Allow undoing set of machine mode.
12718 (do_SUBST): Use enums instead of is_int.
12719 (do_SUBST_MODE): New function.
12720 (SUBST_MODE): New macro.
12721 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12722 reg and trying to replace reg_regno_rtx with a new register.
12723 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12724 (simplify_set): Use SUBST_MODE.
12725 (distribute_notes): Remove code that tried to update reg notes
12726 for regno_reg_rtx changes.
12728 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12730 PR tree-optimization/23109
12731 PR tree-optimization/23948
12732 PR tree-optimization/24123
12734 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12735 * tree-cfg.c (single_noncomplex_succ): New.
12736 * tree-flow.h (single_noncomplex_succ): Declare it.
12737 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12738 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12739 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12740 insert_bb, register_division_in, insert_reciprocals,
12741 replace_reciprocal, free_bb): New.
12742 (execute_cse_reciprocals_1): Rewritten.
12743 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12744 Do not commit any edge insertion. Always compute dominators and
12745 create the allocation pool.
12746 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12747 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12748 * targhooks.c (default_min_divistions_for_recip_mul): New.
12749 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12750 * passes.c (init_optimization_passes): Run recip after tree loop
12752 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12754 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12755 Kenneth Zadeck <zadeck@naturalbridge.com>
12757 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12758 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12759 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12760 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12761 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12762 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12763 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12764 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12765 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12766 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12767 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12768 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12769 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12770 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12771 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12772 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12773 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12774 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12775 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12776 DF_SCAN_POST_ALLOC): New macros.
12777 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12778 df_free_bb_function, df_local_compute_function, df_init_function,
12779 df_dataflow_function, df_confluence_function_0,
12780 df_confluence_function_n, df_transfer_function,
12781 df_finalizer_function, df_free_function, df_dump_problem_function,
12782 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12783 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12784 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12785 df_urec_bb_info, ) New types.
12786 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12788 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12789 df_analyze_simple_change_some_blocks,
12790 df_analyze_simple_change_one_block, df_compact_blocks,
12791 df_bb_replace, df_bb_regno_last_use_find,
12792 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12793 df_insn_regno_def_p, df_find_def, df_find_use,
12794 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12795 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12796 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12797 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12798 debug_df_chain, df_get_dependent_problem, df_chain_create,
12799 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12800 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12801 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12802 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12803 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12804 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12805 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12806 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12807 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12808 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12809 df_reorganize_refs, df_set_state, df_hard_reg_init,
12810 df_read_modify_subreg_p) New public functions.
12811 * df-core.c: The core dataflow solver and glue routines for rtl
12813 (df_init, df_add_problem, df_set_blocks, df_finish,
12814 df_hybrid_search_forward, df_hybrid_search_backward,
12815 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12816 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12817 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12818 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12819 df_reg_defined, df_find_use, df_reg_used, df_dump,
12820 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12821 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12822 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12823 debug_df_useno, reset_df_after_reload): New functions.
12824 * df-scan.c: The scanning fuctions, once in df.c, completely
12825 rewritten so that they now fully model the functionality of
12826 register usage at the backend.
12827 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12828 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12829 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12830 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12831 df_get_artificial_defs, df_get_artificial_uses,
12832 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12833 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12834 df_refs_delete, df_reorganize_refs, df_set_state,
12835 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12836 df_def_record_1, df_defs_record, df_uses_record,
12837 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12838 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12839 df_record_exit_block_uses, df_hard_reg_init): New functions.
12841 * df-problems.c: Seven concrete dataflow problems that use the
12842 scanning in df-scan.c and are solved by the engine in df-core.c.
12843 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12844 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12845 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12846 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12847 df_ru_free_bb_info, df_ru_alloc,
12848 df_ru_bb_local_compute_process_def,
12849 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12850 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12851 df_ru_transfer_function, df_ru_free, df_ru_dump,
12852 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12853 df_rd_free_bb_info, df_rd_alloc,
12854 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12855 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12856 df_rd_transfer_function, df_rd_free, df_rd_dump,
12857 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12858 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12859 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12860 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12861 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12862 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12863 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12864 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12865 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12866 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12867 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12868 df_urec_mark_reg_use_for_earlyclobber,
12869 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12870 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12871 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12872 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12873 df_chain_create_bb_process_use, df_chain_create_bb,
12874 df_chain_finalize, df_chain_free, df_chains_dump,
12875 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12876 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12877 df_reg_lifetime): New functions.
12878 * df.c: Deleted file.
12879 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12880 consistent with new df api.
12881 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12882 rest_of_handle_sms): Ditto.
12883 * web.c (unionfind_union, union_defs, entry_register, web_main):
12885 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12886 invariant_expr_equal_p, find_defs, check_dependencies,
12887 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12888 free_inv_motion_data, move_loop_invariants): Ditto.
12889 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12890 Update dependencies.
12891 (odf.c): Added defective entry that was deleted later in day.
12892 * sched-deps.c (sched_analyze_1): Ditto.
12894 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12896 * tree-ssa-operands.c (get_expr_operands): Record addressable
12897 variables directly. Do not call add_stmt_operands for CONST_DECLs
12899 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12900 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12902 2006-01-11 Ben Elliston <bje@au.ibm.com>
12904 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12905 function returns true in the positive case.
12907 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12910 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12911 for SI, DI, SF and DF modes. Add alternatives to copy between
12912 general and floating point registers to the 32-bit patterns.
12913 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12914 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12915 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12916 generating 64-bit code.
12917 * config/pa/pa.c (output_move_double): Handle copies between general
12918 and floating registers.
12920 2006-01-10 Stuart Hastings <stuart@apple.com>
12922 * config/i386/i386.md (set_got): Update.
12923 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12924 (builtin_setjmp_receiver): Mach-O support.
12925 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12926 (GOT_SYMBOL_NAME): Define.
12927 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12928 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12929 * config/i386/i386.c (override_options): Revise for Darwin.
12930 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12931 support. (darwin_x86_file_end): New. (output_set_got): Add label
12932 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12933 * config/i386/i386-protos.h (output_set_got): Likewise.
12934 * config/darwin.c (machopic_legitimize_pic_address): Update
12937 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12939 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12940 when MODE isn't BLKmode.
12942 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12944 PR rtl-optimization/25367
12945 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12947 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12950 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12951 for a negative bound.
12953 2006-01-10 Richard Guenther <rguenther@suse.de>
12955 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12956 Never override with anything constraint.
12958 2006-01-10 Jan Beulich <jbeulich@novell.com>
12960 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12961 256 bits when optimize_size.
12963 2006-01-10 Jan Beulich <jbeulich@novell.com>
12965 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12967 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12968 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12971 2006-01-10 Ben Elliston <bje@au.ibm.com>
12973 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12975 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12976 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12977 (USE_FP_FOR_ARG): Reject decimal float modes.
12978 (function_arg_advance): Likewise.
12979 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12980 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12981 point types in AltiVec vectors.
12982 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12983 (rs6000_libcall_value): Likewise.
12985 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12987 * config/xtensa/ieee754-df.S: New file.
12988 * config/xtensa/ieee754-sf.S: New file.
12989 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12990 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12991 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12993 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12995 * config/sh/predicates.md (binary_float_operator,
12996 binary_logical_operator, commutative_float_operator,
12997 equality_comparison_operator, greater_comparison_operator,
12998 less_comparison_operator, logical_operator,
12999 noncommutative_float_operator, shift_operator,
13000 symbol_ref_operand, unary_float_operator): Remove redundant
13003 2006-01-09 Jeff Law <law@redhat.com>
13005 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13006 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13007 now unused arguments. Callers updated.
13008 (eliminate_redundant_computations): Remove now unused arguments,
13010 (local_fold): Remove, no longer used.
13011 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13013 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13014 (simplify_cond): New function.
13015 (forward_propagate_into_cond): Call simplify_cond.
13017 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13019 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13020 (*vec_extractv2di_1_sse): New.
13022 2006-01-09 Ben Elliston <bje@au.ibm.com>
13024 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13026 2006-01-08 Richard Guenther <rguenther@suse.de>
13028 * tree-ssa-structalias.c (get_constraint_for): Remove
13029 anyoffset argument.
13030 (get_constraint_for_component_ref): Likewise.
13031 (do_deref): Likewise.
13032 (get_constraint_for): Likewise.
13033 (do_structure_copy): Likewise.
13034 (handle_ptr_arith): Likewise.
13035 (find_func_aliases): Likewise. Remove unused need_anyoffset
13038 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13039 Kaz Kojima <kkojima@gcc.gnu.org>
13041 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13042 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13043 (EXTRA_CONSTRAINT_C16): Remove.
13044 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13045 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13046 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13047 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13048 constants of SHmedia. Handle nested constant expressions of
13050 (andcosts): Fix the costs for SHmedia constants.
13051 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13052 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13053 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13054 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13055 (movv4hi_i, movv2si_i): Likewise.
13056 (movsi_const): Adjust the second operand of ior so to match with
13057 the Csu constraint.
13058 (movdi_const, movdi_const_32bit): Likewise.
13059 (movdi_const_16bit+1): Don't sign-extend LOW.
13060 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13062 (*double_shori): Fix the split condition. Use GEN_INT instead
13063 of get_int_mode calls. Mask lower 16-bit of the argument of
13065 (sym2GOTPLT): Remove.
13066 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13068 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13069 instead of EXTRA_CONSTRAINT_C16.
13071 2006-01-07 Ian Lance Taylor <ian@airs.com>
13072 David Edelsohn <edelsohn@gnu.org>
13074 PR rtl-optimization/25662
13075 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13076 for constant operands instead of simplify_gen_binary.
13077 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13078 after trying simplify_binary_operation
13080 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13082 * tree.c (iterative_hash_expr): Hash decls based on UID.
13084 2006-01-06 Eric Christopher <echristo@apple.com>
13086 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13087 (TARGET_UNWIND_EMIT): Fix spelling.
13088 * target.h (gcc_target): Add except_table_label.
13089 * except.c (output_function_exception_table): Use.
13090 * varasm.c (default_emit_except_table_label): New.
13091 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13093 (asm_out): Add here.
13094 * output.h (default_emit_except_table_label): Prototype.
13095 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13096 * config/darwin.c (darwin_emit_except_table_label): Define.
13097 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13099 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13101 PR tree-optimization/18527
13102 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13103 number_of_iterations_special, number_of_iterations_exit):
13104 Move base and step of an iv to a single structure. Add
13105 no_overflow flag, and use it in # of iterations analysis.
13106 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13107 folded_casts argument.
13108 (simple_iv): Pass base and step in a structure. Set no_overflow
13110 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13111 Evaluate expensiveness of computing # of iterations instead of
13112 the final expression.
13113 * tree-scalar-evolution.h (affine_iv): New structure.
13114 (simple_iv): Declaration changed.
13115 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13116 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13117 find_givs_in_stmt): Changed due to simple_iv change.
13119 2006-01-06 Jeff Law <law@redhat.com>
13122 * tree-cfg.c (bsi_replace): Rename final argument from
13123 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13124 change (stmt -> orig_stmt).
13125 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13126 (bsi_remove): Add new argument. Remove EH information
13128 (verify_eh_throw_table_statements): New function.
13129 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13131 * tree-optimize.c (execute_free_cfg_annotations): Verify
13132 the EH throw statement table after removing annotations.
13133 * except.h (verify_eh_throw_table_statements): Prototype.
13134 * tree-flow.h (bsi_remove): Update prototype.
13135 * tree-vrp.c (remove_range_assertions): Add new argument to
13137 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13138 * tree-complex.c (expand_complex_div_wide): Likewise.
13139 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13140 * tree-tailcall.c (eliminate_tailcall): Likewise.
13141 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13142 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13143 * tree-nrv.c (tree_nrv): Likewise.
13144 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13145 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13146 (combine_blocks): Likewise.
13147 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13148 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13149 (cleanup_control_flow): Likewise.
13150 (remove_forwarder_block): Likewise.
13151 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13152 * tree-sra.c (sra_replace): Likewise.
13153 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13154 (forward_propagate_single_use_vars): Likewise.
13155 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13156 * tree-inline.c (expand_call_inline): Likewise.
13157 * tree-vect-transform.c (vect_transform_loop): Likewise.
13158 * tree-outof-ssa.c (rewrite_trees): Likewise.
13159 * tree-cfg.c (make_goto_expr_edges): Likewise.
13160 (cleanup_dead_labels): Likewise.
13161 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13162 (bsi_move_before, bsi_move_after): Likewise.
13163 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13164 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13166 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13169 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13171 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13172 on non gimple variables. Also add checks at the top for decls and
13174 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13176 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13177 and IMAGPART_EXPR for creating MUST_DEFs.
13178 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13179 and NAME_MEMORY_TAG separately from the DECLs.
13181 2006-01-06 Richard Guenther <rguenther@suse.de>
13183 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13184 annotation, if necessary.
13185 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13186 redundant calls to update_stmt.
13187 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13190 2006-01-05 Richard Henderson <rth@redhat.com>
13192 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13194 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13196 * c-typeck.c: Update copyright date.
13198 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13200 * c-typeck.c (build_c_cast): Always warn when casting
13201 from a pointer to an integer of different size, even if
13202 the node was constant.
13204 2006-01-05 Richard Guenther <rguenther@suse.de>
13206 PR tree-optimization/22555
13207 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13208 if one structure field is an array.
13209 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13210 operands even if we found a subvar, but ignore VOPs in this
13212 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13214 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13216 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13218 PR middle-end/24998
13219 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13221 2006-01-05 Richard Guenther <rguenther@suse.de>
13222 Diego Novillo <dnovillo@redhat.com>
13224 * tree-pass.h (TODO_remove_unused_locals): Define.
13225 * gimple-low.c (expand_var_p, remove_useless_vars,
13226 pass_remove_useless_vars): Remove. Update all users.
13227 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13228 (remove_unused_locals): New function.
13229 * tree-flow.h (remove_unused_locals): Declare.
13230 * passes.c (execute_todo): Call remove_unused_locals if
13231 TODO_remove_unused_locals is set.
13232 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13233 * tree-ssa-dce.c (pass_dce): Likewise.
13234 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13236 2006-01-05 Richard Guenther <rguenther@suse.de>
13238 * tree-flow.h (struct fieldoff): Decompose field to
13239 type, size and decl.
13240 * tree-ssa-alias.c (create_sft): Take type as parameter.
13241 (create_overlap_variables_for): Store type, size and decl
13242 in the fieldoff structure.
13243 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13244 of struct fieldoff.
13245 (push_fields_onto_fieldstack): Likewise.
13246 (create_variable_info_for): Likewise. Use offset for the
13247 SFT name if the decl is not available.
13249 2006-01-04 Paul Brook <paul@codesourcery.com>
13251 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13253 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13255 * lambda-code.c (can_put_in_inner_loop): Relax
13257 (can_put_after_inner_loop): New function.
13258 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13259 (perfect_nestify): Change to make copies and modify uses.
13261 2006-01-04 Richard Henderson <rth@redhat.com>
13263 Merge from gomp branch:
13264 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13265 via integer constant.
13266 (pragma_lex): Remove.
13267 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13268 rather than parsing it.
13269 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13270 handle_pragma_extern_prefix): Add %< %> quotes.
13271 (registered_pragmas): New.
13272 (c_register_pragma_1): New.
13273 (c_register_pragma): Use it.
13274 (c_register_pragma_with_expansion): Likewise.
13275 (c_invoke_pragma_handler): New.
13276 (init_pragma): Use cpp_register_deferred_pragma directly for
13278 * c-pragma.h (enum pragma_kind): New.
13279 (pragma_handler): New.
13280 (c_invoke_pragma_handler): Declare.
13281 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13283 * c-common.h (c_common_pch_pragma): Update decl.
13284 * Makefile.in (c-parser.o): Update dependencies.
13285 (GTFILES): Add c-pragma.h.
13286 * c-parser.c (struct c_token): Add pragma_kind.
13287 (struct c_parser): Add in_pragma.
13288 (c_lex_one_token): Always initialize keyword and pragma_kind.
13289 Extract data for CPP_PRAGMA.
13290 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13291 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13292 Don't allow CPP_PRAGMA_EOL if in_pragma.
13293 (c_parser_consume_pragma): New.
13294 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13295 (c_parser_skip_to_end_of_parameter): Likewise.
13296 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13297 (c_parser_skip_to_pragma_eol): New.
13298 (c_parser_external_declaration): Handle CPP_PRAGMA.
13299 (c_parser_compound_statement_nostart): Likewise.
13300 (c_parser_statement_after_labels): Likewise.
13301 (c_parser_pragma): New.
13302 (pragma_lex): Likewise.
13303 (c_parser_pragma_pch_preprocess): New.
13304 (c_parser_new): Merge into ...
13305 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13307 2006-01-04 Jeff Law <law@redhat.com>
13310 * tree-cfg.c (bsi_replace): Remove the original statement
13311 from the EH throw statement table.
13313 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13315 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13316 make the prototype extern "C" and add throw ().
13319 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13320 and pos non-negative and pos + len <= 32.
13321 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13322 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13323 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13326 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13327 as well as sizes not multiple of component size.
13330 * function.c (instantiate_expr): New function.
13331 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13332 walk its DECL_VALUE_EXPR with instantiate_expr.
13334 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13335 DW_OP_deref{,_size} if address isn't going to be added.
13337 2006-01-04 Ben Elliston <bje@au.ibm.com>
13339 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13340 * config/fp-bit.c: Likewise.
13342 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13344 * dominance.c: Add comment about why we use DFS numbering
13347 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13348 Richard Henderson <rth@redhat.com>
13350 Merge from gomp-branch:
13351 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13352 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13354 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13356 PR rtl-optimization/25578
13357 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13358 pass a parameter to simplify_shift_const if changing ASHIFTRT
13361 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13363 * builtins.c (get_builtin_sync_mem): New function.
13364 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13365 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13366 Call get_builtin_sync_mem to generate mem rtx.
13368 2006-01-03 Richard Guenther <rguenther@suse.de>
13371 * stmt.c (add_case_node): Make sure to clear overflow flags
13374 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13376 Merge from gomp-branch.
13377 * config/sparc/sync.md: New file.
13378 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13379 UNSPECV_LDSTUB): New constants.
13380 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13381 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13382 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13385 2006-01-03 Roger Sayle <roger@eyesopen.com>
13387 * combine.c (reg_subword_p): New predicate to test whether the
13388 destination of a set refers to a subword/piece of a register.
13389 (try_combine): Generalize the code to merge the setting of a
13390 pseudo to a constant followed by a set of a subword of that
13391 register to a constant.
13393 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13395 * basic-block.h (control_flow_graph): Change the type of
13396 x_label_to_block_map to VEC(basic_block,gc) *.
13397 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13398 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13400 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13401 VEC(basic_block,heap) *.
13402 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13403 ssa_prop_fini): Adjust the uses of cfg_blocks.
13405 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13407 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13409 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13410 hashing trees instead of a pointer hash.
13411 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13412 compare for MEM_EXPR.
13414 PR rtl-optimization/25130
13415 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13416 when comparing MEMs for GCSE
13418 2006-01-03 Ben Elliston <bje@au.ibm.com>
13420 * targhooks.h (default_decimal_float_supported_p): Declare.
13421 * targhooks.c (default_decimal_float_supported_p): Define.
13422 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13423 `default_decimal_float_supported_p'.
13424 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13426 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13428 * combine.c (apply_distributive_law <SUBREG>): Check
13429 TRULY_NOOP_TRUNCATION.
13431 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13433 * dwarf2out.c (have_switched_text_section): Delete.
13434 (have_multiple_function_sections): New.
13435 (have_location_lists): Make 'bool'.
13436 (add_AT_loc_list): Use 'true' not '1'.
13437 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13438 (output_loc_list): Use have_multiple_function_sections.
13439 (output_ranges): Likewise.
13440 (dwarf2out_begin_function): Set have_multiple_function_sections if
13442 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13443 Check function_section rather than DECL_SECTION_NAME.
13444 (dwarf2out_finish): Use have_multiple_function_sections.
13445 Don't clear have_location_lists.
13447 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13448 Jan Hubicka <jh@suse.cz>
13450 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13451 case of conditional jump jumping to the next instruction.
13452 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13453 cases of conditional jump jumping to the next instruction.
13455 2006-01-02 Jan Hubicka <jh@suse.cz>
13457 * i386.c (*_cost): Add COSTS_N_INSNS.
13458 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13460 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13463 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13465 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13467 * config/arm/arm.c (all_fpus): Fix comment typo.
13468 * config/darwin.c: Likewise.
13469 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13470 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13471 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13473 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13475 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13476 (rs6000_split_compare_and_swapqhi): New.
13477 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13478 (sync_compare_and_swapqhi_internal): New.
13479 * config/rs6000/rs6000-protos.h: Declare.