+2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ PR middle-end/40815
+ * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
+ (negate_value): Move code to push elements to broken_up_substracts ...
+ (eliminate_plus_minus_pair): ... here. Push operands that have no
+ negative pair to plus_negates.
+ (repropagate_negates, init_reassoc, fini_reassoc): Update.
+
+2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/install.texi (Configuration): Move description of
+ --enable-lto, --with-libelf*, --enable-gold from Java section to
+ general section.
+
+ * doc/generic.texi (Working with declarations)
+ (Function Properties, C and C++ Trees): Fix typos.
+ * doc/sourcebuild.texi (Top Level): Likewise.
+
+2010-04-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/18624
+ * tree.h (DECL_READ_P): Define.
+ (struct tree_decl_common): Add decl_read_flag.
+ * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
+ a set but not used warning.
+ (merge_decls): Merge DECL_READ_P flag.
+ (finish_decl, build_compound_literal): Set DECL_READ_P flag.
+ (finish_function): Issue -Wunused-but-set-parameter diagnostics.
+ * c-common.c (handle_used_attribute, handle_unused_attribute):
+ Likewise.
+ * c-tree.h (default_function_array_read_conversion, mark_exp_read):
+ New prototypes.
+ * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
+ New functions.
+ (default_conversion, c_process_expr_stmt): Call mark_exp_read.
+ * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
+ c_parser_binary_expression, c_parser_cast_expression,
+ c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
+ Call default_function_array_read_conversion instead of
+ default_function_array_conversion where needed.
+ (c_parser_unary_expression, c_parser_conditional_expression,
+ c_parser_postfix_expression_after_primary, c_parser_initelt):
+ Likewise. Call mark_exp_read where needed.
+ (c_parser_statement_after_labels, c_parser_asm_operands,
+ c_parser_typeof_specifier, c_parser_sizeof_expression,
+ c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
+ where needed.
+ * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
+ New.
+ * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
+ (warn_unused_but_set_parameter): Default to warn_unused
+ && extra_warnings.
+ * doc/invoke.texi: Document -Wunused-but-set-variable and
+ -Wunused-but-set-parameter.
+
+ * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
+ used count variable.
+ * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
+ when operandN variables aren't used in the body of the expander
+ or splitter.
+ * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
+ FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
+ * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
+ * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
+ FOR_EACH_IMM_USE_ON_STMT): Likewise.
+ * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
+ * tree.c (PROCESS_ARG): Likewise.
+
+2010-04-07 Simon Baldwin <simonb@google.com>
+
+ * diagnostic.h (diagnostic_override_option_index): New macro to
+ set a diagnostic's option_index.
+ * c-tree.h (c_cpp_error): Add warning reason argument.
+ * opts.c (_warning_as_error_callback): New.
+ (register_warning_as_error_callback): Store callback for
+ warnings enabled via enable_warning_as_error.
+ (enable_warning_as_error): Call callback, minor code tidy.
+ * opts.h (register_warning_as_error_callback): Declare.
+ * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
+ response to -Werror=.
+ (c_common_init_options): Register warning_as_error_callback in opts.c.
+ * common.opt: Add -Wno-cpp option.
+ * c-common.c (struct reason_option_codes_t): Map cpp warning
+ reason codes to gcc option indexes.
+ * (c_option_controlling_cpp_error): New function, lookup the gcc
+ option index for a cpp warning reason code.
+ * (c_cpp_error): Add warning reason argument, call
+ c_option_controlling_cpp_error for diagnostic_override_option_index.
+ * doc/invoke.texi: Document -Wno-cpp.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ * ipa-reference.c (mark_load): Use get_base_address.
+ (mark_store): Likewise.
+
+ * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
+ inserting GIMPLE_NOPs into the IL.
+ * tree-ssa-structalias.c (get_constraint_for_component_ref):
+ Explicitly strip handled components and indirect references.
+
+ * fold-const.c (fold_unary_loc): Do not strip qualifiers when
+ folding address expressions.
+ * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
+ * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
+ operand_equal_p to compare decls.
+ (ptr_deref_may_alias_decl_p): Likewise.
+ * tree-ssa-operands.c (get_asm_expr_operands): Simplify
+ * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
+ Handle reversed comparison ops.
+ * tree-sra.c (asm_visit_addr): Use get_base_address.
+ * ipa-prop.c (visit_store_addr_for_mod_analysis): Use
+ get_base_address.
+ * ipa-reference.c (mark_address): Use get_base_address.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr):
+ Propagate constants everywhere.
+
+2010-04-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/43516
+ * tree.c (MAX_INT_CACHED_PREC): Define.
+ (nonstandard_integer_type_cache): New array.
+ (build_nonstandard_integer_type): Cache results for precision
+ <= MAX_INT_CACHED_PREC.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (-fargument-alias, -fargument-noalias,
+ -fargument-noalias-global, -fargument-noalias-anything): Remove.
+ * common.opt: Likewise.
+ * tree-ssa-structalias.c (intra_create_variable_infos): Adjust
+ comment.
+ * alias.c (base_alias_check): Remove flag_argument_noalias
+ handling.
+ (nonoverlapping_memrefs_p): Likewise.
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
+ * opts.c (common_handle_option): Handle OPT_fargument_alias,
+ OPT_fargument_noalias, OPT_fargument_noalias_anything and
+ OPT_fargument_noalias_global for backward compatibility.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43270
+ * tree-vrp.c (check_array_ref): Fix flexible array member
+ detection.
+ * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
+ * tree-ssa-pre.c (phi_translate_1): Adjust.
+ (fully_constant_expression): Split out vn_reference handling to ...
+ * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
+ Fold reads from constant strings.
+ (vn_reference_lookup): Handle fully constant references.
+ (vn_reference_lookup_pieces): Likewise.
+ * Makefile.in (expmed.o-warn): Add -Wno-error.
+
+2010-04-07 Martin Jambor <mjambor@suse.cz>
+
+ * tree-sra.c (find_param_candidates): Allow scalar va_list types.
+
+2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
+
+ PR driver/41594
+ * gcc.c: Add -static-libstdc++ to list of recognized options.
+
+2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to
+ generic.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/42617
+ * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with
+ pointer bases build simple mem attributes to retain
+ points-to information.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/42617
+ * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
+ preserve points-to related information.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/42617
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
+ discard plain indirect references.
+ * fold-const.c (operand_equal_p): Guard against NULL_TREE
+ type.
+ * tree.c (tree_nop_conversion): Likewise.
+
+2010-04-07 Dodji Seketeli <dodji@redhat.com>
+
+ PR debug/43628
+ * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
+
+2010-04-06 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
+ calling convention attributes on METHOD_TYPEs for w64 ABI, too.
+
+2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-if-conv.c: Fix indentation and comments.
+
+2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-if-conv.c: Sort static functions in topological order.
+
+2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-if-conv.c: Fix indentation and comments.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43519
+ * graphite-clast-to-gimple.c (max_signed_precision_type): Use
+ lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
+ When converting an unsigned type to signed, double its precision.
+ (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
+ (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
+ (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43519
+ * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
+ POINTER_PLUS_EXPR for pointer types.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43519
+ * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
+ * graphite-clast-to-gimple.c: Include langhooks.h.
+ (max_signed_precision_type): New.
+ (max_precision_type): Takes two types as arguments.
+ (precision_for_value): New.
+ (precision_for_interval): New.
+ (gcc_type_for_interval): New.
+ (gcc_type_for_value): New.
+ (gcc_type_for_clast_term): New.
+ (gcc_type_for_clast_red): New.
+ (gcc_type_for_clast_bin): New.
+ (gcc_type_for_clast_expr): Split up into several functions.
+ (gcc_type_for_clast_eq): Rewritten.
+ (compute_bounds_for_level): New.
+ (compute_type_for_level_1): New.
+ (compute_type_for_level): New.
+ (gcc_type_for_cloog_iv): Removed.
+ (gcc_type_for_iv_of_clast_loop): Rewritten.
+ (graphite_create_new_loop): Compute the lower and upper bound types
+ with gcc_type_for_clast_expr.
+ (graphite_create_new_loop_guard): Same.
+ (find_cloog_iv_in_expr): Removed.
+ (compute_cloog_iv_types_1): Removed.
+ (compute_cloog_iv_types): Removed.
+ (gloog): Do not call compute_cloog_iv_types.
+ * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
+ GBB_CLOOG_IV_TYPES.
+ (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
+ * sese.h (struct gimple_bb): Removed field cloog_iv_types.
+ (GBB_CLOOG_IV_TYPES): Removed.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
+ gimple_phi_num_args of the loop close SSA phi node is equal to 1.
+ (detect_commutative_reduction): Same.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
+ call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
+ argument.
+ * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
+ * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
+ (rewrite_commutative_reductions_out_of_ssa): Same.
+ * passes.c (execute_function_todo): Call verify_ssa for every pass
+ in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
+ * tree-flow.h (verify_loop_closed_ssa): Update declaration.
+ * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
+ with an extra argument.
+ * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
+ verify_ssa only when the extra argument is true.
+ (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
+ with an extra argument.
+ (tree_transform_and_unroll_loop): Same.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ * passes.c (execute_function_todo): Call verify_loop_closed_ssa
+ for all the passes of the LNO having LOOP_CLOSED_SSA.
+ * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
+ * tree-loop-distribution.c (pass_loop_distribution): Same.
+ * tree-pass.h (TODO_verify_loops): Removed.
+ * tree-ssa-loop.c (pass_tree_loop_init): Same.
+ (pass_lim): Same.
+ (pass_tree_unswitch): Same.
+ (pass_predcom): Same.
+ (pass_vectorize): Same.
+ (pass_linear_transform): Same.
+ (pass_graphite_transforms): Same.
+ (pass_iv_canon): Same.
+ (pass_complete_unroll): Same.
+ (pass_complete_unrolli): Same.
+ (pass_parallelize_loops): Same.
+ (pass_loop_prefetch): Same.
+ (pass_iv_optimize): Same.
+
+2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
+
+ PR middle-end/32824
+ * passes.c (init_optimization_passes): Move pass_lim before
+ pass_copy_prop and pass_dce_loop.
+
+2010-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/43667
+ * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
+ instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
+ (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
+ MULTI_* defines for 4 argument vpermil2p* builtins.
+
+2010-04-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
+ * config/i386/i386.c (x86_maybe_negate_const_int): New.
+ (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
+ * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
+ *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
+ *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
+ *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
+ Use x86_maybe_negate_const_int to output insn mnemonic.
+ (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
+ check from instruction predicate. Update comments.
+ * config/i386/sync.md (sync_add<mode>): Use
+ x86_maybe_negate_const_int to output insn mnemonic.
+
+2010-04-06 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/42906
+ * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
+ IGNORE_SELF argument. Set visited_control_parents for fully
+ processed BBs.
+ (find_obviously_necessary_stmts): Update call of
+ mark_control_dependent_edges_necessary.
+ (propagate_necessity): Likewise. Handle PHI edges more curefully.
+
+2010-04-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md: Remove comment about 'e' and 'E'
+ operand modifier.
+
+2010-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43627
+ * tree-vrp.c (extract_range_from_unary_expr): Widenings
+ of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
+ not varying.
+
+2010-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ * BASE-VER: Change to 4.6.0.
+
+ PR target/43638
+ * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
+ handling.
+
+2010-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/43661
+ * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
+
+2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/invoke.texi (Optimize Options): Document that LTO
+ won't remove object access purely due to incompatible
+ declarations.
+
+2010-04-04 Matthias Klose <doko@ubuntu.com>
+
+ * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
+ Initialize variable.
+
+2010-04-03 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/42509
+ * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
+ require a non-NULL MEM_OFFSET.
+
+2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
+ basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
+ collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
+ config/alpha/predicates.md, config/arm/arm.md,
+ config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
+ config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
+ config/darwin9.h, config/darwin.c, config/darwin.h,
+ config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
+ config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
+ config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
+ config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
+ config/mips/mips.md, config/mn10300/mn10300.c,
+ config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
+ config/rs6000/aix.h, config/rs6000/dfp.md,
+ config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
+ config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
+ config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
+ config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
+ config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
+ config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
+ c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
+ diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
+ doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
+ doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
+ fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
+ gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
+ graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
+ graphite-dependences.c, graphite-poly.c, graphite-poly.h,
+ graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
+ graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
+ intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
+ ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
+ ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
+ loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
+ objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
+ opt-functions.awk, opth-gen.awk, params.def, passes.c,
+ postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
+ rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
+ store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
+ tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
+ tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
+ tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
+ tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
+ tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
+ tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
+ tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
+ tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
+ tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
+ tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
+ unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
+
+2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ PR other/43620
+ * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
+ * aclocal.m4: Regenerate.
+
+2010-04-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43629
+ * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
+ if we have seen a constant value.
+
+2010-04-02 Joseph Myers <joseph@codesourcery.com>
+
+ * read-rtl.c (read_rtx_1): Give an error for EOF while looking for
+ ']'.
+
+2010-04-02 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/43469
+ * arm.c (legitimize_tls_address): Adjust call to
+ gen_tls_load_dot_plus_four.
+ (arm_note_pic_base): New function.
+ (arm_cannot_copy_insn_p): Use it.
+ * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
+ constraint.
+
+2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ PR bootstrap/43531
+
+ Revert:
+ 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * Makefile.in ($(out_object_file)): Depend on
+ gt-$(basename $(notdir $(out_file))).h.
+
+2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config.gcc (lm32-*-rtems*): Add t-lm32.
+
+2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
+
+ * config.gcc: Add lm32-*-rtems*.
+ * config/lm32/rtems.h: New file.
+
+2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR target/42609
+ * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
+
+2010-04-01 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (output_compilation_unit_header): For
+ -gdwarf-4 use version 4 instead of version 3.
+ (output_line_info): For version 4 and above emit additional
+ maximum ops per insn header field.
+ (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
+
+ * dwarf2out.c (is_c_family, is_java): Remove.
+ (lower_bound_default): New function.
+ (add_bound_info, gen_descr_array_type_die): Use it.
+
+2010-04-01 Dodji Seketeli <dodji@redhat.com>
+
+ PR debug/43325
+ * dwarf2out.c (gen_variable_die): Allow debug info for variable
+ re-declaration when it happens in a function.
+
+2010-04-01 Aldy Hernandez <aldyh@redhat.com>
+
+ * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
+ (cgraph_remove_function_insertion_hook): Same.
+ (cgraph_call_function_insertion_hooks): Same.
+
+2010-04-01 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/43614
+ * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
+ and TREE_THIS_VOLATILE.
+ (copy_ref_info): Likewise.
+ * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
+ * tree.c (build6_stat): Ignore side-effects of all but arg5
+ for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
+ TARGET_MEM_REF.
+
+2010-04-01 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43607
+ * ipa-type-escape.c (check_call): Do not access non-existing
+ arguments.
+
+2010-04-01 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/43602
+ Revert
+ 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
+ Jack Howarth <howarth@bromo.med.uc.edu>
+
+ * tree-profile.c (tree_init_ic_make_global_vars): Make static
+ variables TLS.
+
+2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Prerequisites): Document libelf usability on
+ IRIX 5/6 and Solaris 2.
+ (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
+ Update GNU as, GNU ld requirements.
+ (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
+ Document Sun Studio compiler download.
+ Update and simplify as, ld recommendations.
+ (Specific, *-*-solaris2.7): Note obsoletion, removal.
+
+2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
+ with_tune_32 to pentium4.
+
+2010-04-01 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
+
+2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
+ obsoletion, removal.
+ Update IDO URL.
+ Document GNU as requirement.
+ Update configure requirements.
+ (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
+ removal.
+ Recomment IRIX 6.5.18+.
+ Document IDF/IDL requirement.
+ Document GNU as requirement.
+ Document GNU ld bootstrap failure.
+ Remove freeware.sgi.com reference.
+
+2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
+ UNIX V4.0, V5.0 obsoletion, removal.
+ Remove --with-gc=simple reference.
+ Update VM requirements during bootstrap.
+ Remove -oldas bootstrap description.
+ Update binutils reference.
+ Remove comparison failure note.
+
+2010-03-31 Richard Guenther <rguenther@suse.de>
+ Zdenek Dvorak <ook@ucw.cz>
+ Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43464
+ * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
+ with multiple arguments.
+ (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
+
+2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c (print_pddr): Call print_pdr with an
+ extra argument.
+ * graphite-poly.c (debug_pdr): Add an extra argument for the
+ verbosity level.
+ (print_pdr): Same.
+ (print_pbb_domain): Same.
+ (print_pbb): Same.
+ (print_scop_context): Same.
+ (print_scop): Same.
+ (print_cloog): Same.
+ (debug_pbb_domain): Same.
+ (debug_pbb): Same.
+ (print_pdrs): Same.
+ (debug_pdrs): Same.
+ (debug_scop_context): Same.
+ (debug_scop): Same.
+ (debug_cloog): Same.
+ (print_scop_params): Same.
+ (debug_scop_params): Same.
+ (print_iteration_domain): Same.
+ (print_iteration_domains): Same.
+ (debug_iteration_domain): Same.
+ (debug_iteration_domains): Same.
+ (print_scattering_function): Same.
+ (print_scattering_functions): Same.
+ (debug_scattering_function): Same.
+ (debug_scattering_functions): Same.
+ * graphite-poly.h (debug_pdr): Update declaration.
+ (print_pdr): Same.
+ (print_pbb_domain): Same.
+ (print_pbb): Same.
+ (print_scop_context): Same.
+ (print_scop): Same.
+ (print_cloog): Same.
+ (debug_pbb_domain): Same.
+ (debug_pbb): Same.
+ (print_pdrs): Same.
+ (debug_pdrs): Same.
+ (debug_scop_context): Same.
+ (debug_scop): Same.
+ (debug_cloog): Same.
+ (print_scop_params): Same.
+ (debug_scop_params): Same.
+ (print_iteration_domain): Same.
+ (print_iteration_domains): Same.
+ (debug_iteration_domain): Same.
+ (debug_iteration_domains): Same.
+ (print_scattering_function): Same.
+ (print_scattering_functions): Same.
+ (debug_scattering_function): Same.
+ (debug_scattering_functions): Same.
+
+2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-poly.c (print_scattering_function_1): New.
+ (print_scattering_function): Call it.
+ (print_scop_params): Remove spaces at the end of lines.
+ (print_cloog): New.
+ (debug_cloog): New.
+ * graphite-poly.h (print_cloog): Declared.
+ (debug_cloog): Declared.
+
+2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
+ in loop->header.
+ * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
+ * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
+ * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
+ to switch between adding the IV bump in loop->latch or in loop->header.
+
+2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-poly.c (print_scattering_function): Pretty print following
+ the scoplib format.
+ (print_pdr): Same.
+ (print_pbb_domain): Same.
+ (dump_gbb_cases): Same.
+ (dump_gbb_conditions): Same.
+ (print_pdrs): Same.
+ (print_pbb): Same.
+ (print_scop_params): Same.
+ (print_scop_context): Same.
+ (print_scop): Same.
+ (print_pbb_body): New.
+ (lst_indent_to): New.
+ (print_lst): Start new lines with a #.
+ * graphite-poly.h (pbb_bb): New.
+ (pbb_index): Use pbb_bb.
+ * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
+ disjuncts.
+ * tree-data-ref.c (dump_data_reference): Start new lines with a #.
+
+2010-03-31 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (size_of_die): For -gdwarf-4 use
+ uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
+ and 0 instead of 1 for dw_val_class_flag.
+ (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
+ dw_val_class_range_list, dw_val_class_loc_list,
+ dw_val_class_lineptr and dw_val_class_macptr, use
+ DW_FORM_flag_present for dw_val_class_flag and
+ DW_FORM_exprloc for dw_val_class_loc.
+ (output_die): For -gdwarf-4 print dw_val_class_loc
+ size as uleb128 instead of 1 or 2 bytes and don't print
+ anything for dw_val_class_flag.
+
+ * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
+ instead of cselib_lookup following by tweaking locs->setting_insn.
+
+ PR bootstrap/43596
+ * cselib.c (cselib_process_insn): Clear cselib_current_insn
+ even before returning from label, setjmp call or volatile asm
+ handling.
+
+2010-03-31 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/43600
+ * cgraphunit.c (cgraph_output_in_order): Do not allocate
+ temporary data on stack.
+
+2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
+ (PUSHSECTION_ASM_OP): Remove.
+ (POPSECTION_ASM_OP): Remove.
+ (PUSHSECTION_FORMAT): Remove.
+ * config/sol2.h (PUSHSECTION_FORMAT): Define.
+ * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
+ * config/sol2.c (solaris_output_init_fini): Use it.
+
+2010-03-31 Jie Zhang <jie@codesourcery.com>
+
+ PR 43574
+ * opt-functions.awk (var_type_struct): Use signed char type
+ for simple variables.
+
+2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/sol2.c: Include output.h.
+ (solaris_assemble_visibility): New function.
+ * config/t-sol2 (sol2.o): Add output.h dependency.
+ * config/sol2-protos.h (solaris_assemble_visibility): Declare.
+ * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
+ Redefine.
+
+2010-03-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/43580
+ * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
+ V2SImode or XFmode on PRE_DEC.
+
+ PR debug/43557
+ * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
+ BLKmode.
+
+2010-03-31 Jie Zhang <jie@codesourcery.com>
+
+ PR 43562
+ * reload.h (caller_save_initialized_p): Declare.
+ * toplev.c (backend_init_target): Don't call
+ init_caller_save but set caller_save_initialized_p to false.
+ * caller-save.c (caller_save_initialized_p): Define.
+ (init_caller_save): Check caller_save_initialized_p.
+ * ira.c (ira): Call init_caller_save if flag_caller_saves.
+
+2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR target/39048
+ * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
+ and soft-fp/t-softfp to tmake_file.
+ * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
+ (LIBGCC2_TF_CEXT): Define.
+ (TF_SIZE): Define.
+
+2010-03-30 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/42977
+ * cselib.c (n_useless_values): Document handling of debug locs.
+ (n_useless_debug_values, n_debug_values): New variables.
+ (new_elt_loc_list): Don't add to debug values, keep count.
+ (promote_debug_loc): New.
+ (cselib_reset_table): Zero new variables.
+ (entry_and_rtx_equal_p): Promote debug locs.
+ (discard_useless_locs): Increment n_useless_debug_values for
+ debug values.
+ (remove_useless_values): Adjust n_useless_values and n_debug_values
+ with n_useless_debug_values.
+ (add_mem_for_addr): Promote debug locs.
+ (cselib_lookup_mem): Likewise.
+ (cselib_lookup_addr): Renamed to...
+ (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
+ (cselib_log_lookup): ... this. Turn into...
+ (cselib_lookup_addr): ... new wrapper.
+ (cselib_lookup_from_insn): New.
+ (cselib_invalidate_regno): Increment n_useless_debug_values for
+ debug values.
+ (cselib_invalidate_mem): Likewise.
+ (cselib_process_insn): Take n_deleted and n_debug_values into
+ account to guard remove_useless_value call.
+ (cselib_finish): Zero n_useless_debug_values.
+ * cselib.h (cselib_lookup_from_insn): Declare.
+ * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
+ (sched_analyze_2): Likewise.
+
+2010-03-30 Jakub Jelinek <jakub@redhat.com>
+
+ * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
+ functions.
+ (adjust_mems): Replace narrowing SUBREG of expression containing
+ just PLUS, MINUS, MULT and ASHIFT of registers and constants
+ with operations in the narrower mode.
+
+ PR debug/43593
+ * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
+ regs_invalidated_by_call instead all call_used_reg_set registers.
+
+2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43430
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
+ pointer comparisons with types_compatible_p.
+ * tree-vect-stmts.c (vectorizable_call): Same.
+ (vectorizable_condition): Same.
+
2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2010-03-28 Duncan Sands <baldrick@free.fr>
- * Makefile.in (PLUGIN_HEADERS): Add except.h.
+ * Makefile.in (PLUGIN_HEADERS): Add except.h.
2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2010-03-29 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43560
- * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p
- parameter.
- (can_sm_ref_p): Treat stores to readonly locations as
- trapping.
+ * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
+ (can_sm_ref_p): Treat stores to readonly locations as trapping.
2010-03-29 Jie Zhang <jie@codesourcery.com>