+2008-03-11 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/35526
+ * expr.c (store_expr): Call emit_block_move if the mode
+ of "temp" RTX is BLKmode.
+
+2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
+ Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31358
+ * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
+ the step with a NULL_TREE.
+ * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
+ to sizetype if type is a pointer type.
+ (add_candidate_1): Don't convert the base and step to
+ the generic type if the orginal type is a pointer type.
+ (add_iv_value_candidates): Use sizetype for the step
+ if type is a pointer type.
+ (cand_value_at): Likewise.
+ * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
+ for pointer types.
+ * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
+ Don't convert the tem affine to the type.
+ (add_elt_to_tree): Use sizetype for the step if a pointer.
+ Use POINTER_PLUS_EXPR for pointers.
+ (aff_combination_to_tree): Use sizetype for the step if a
+ pointer.
+
+2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
+
+ * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
+ Remove commutativity hint.
+
+2008-03-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/35438
+ PR c/35439
+ * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
+ errorneous type. Check that v is a VAR_DECL.
+
+ PR middle-end/35099
+ * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
+
+2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR tree-optimization/35494
+ * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
+ may be overriden at link and run time.
+
+2008-03-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34677
+ * tree-ssa-pre.c (modify_expr_node_pool): Remove.
+ (poolify_tree): Likewise.
+ (modify_expr_template): Likewise.
+ (poolify_modify_stmt): Likewise.
+ (insert_fake_stores): Handle all component-ref style stores
+ in addition to INDIRECT_REF. Also handle complex types.
+ Do not poolify the inserted load.
+ (realify_fake_stores): Do not rebuild the tree but only
+ make it a SSA_NAME copy.
+ (init_pre): Remove initialzation of modify_expr_template.
+ Do not allocate modify_expr_node_pool.
+ (fini_pre): Do not free modify_expr_node_pool.
+
+2008-03-10 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
+ to avoid conflicts.
+
+2008-03-10 Paul Brook <paul@codesourcery.com>
+ Mark Shinwell <shinwell@codesourcery.com>
+
+ * config/arm/cortex-r4.md: New.
+ * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
+ insn attributes.
+ * config/arm/arm.md: Include cortex-r4.md.
+ (insn): Add smmls, sdiv and udiv values.
+ (generic_sched): Don't use generic scheduling for Cortex-R4.
+ (arm_issue_rate): New function.
+ (TARGET_SCHED_ISSUE_RATE): Define.
+
+2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
+
+ * doc/invoke.texi (-ftree-loop-distribution): Add an example.
+
+2008-03-10 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (get_sccvn_value): Simplify.
+ (compute_avail): Do not add stmt uses to AVAIL_OUT.
+
+2008-03-10 Paolo Bonzini <bonzini@gnu.org>
+
+ * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
+ Set default to true.
+
+2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * c.opt (Wsynth): Deprecate.
+ * doc/invoke.texi (Option Summary, Warning Options): Document
+ -Wno-format-contains-nul.
+
+2008-03-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/35496
+ * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
+ ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
+
+2008-03-09 Ira Rosen <irar@il.ibm.com>
+
+ * config/rs6000/rs6000.c (builtin_description): Rename vector
+ left shift operations.
+ * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
+ (altivec_vsl<VI_char>): Rename to ...
+ (ashl<mode>3): ... new name.
+ (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
+ gen_ashlv4si3.
+ (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
+
+2008-03-08 Richard Guenther <rguenther@suse.de>
+
+ * coverage.h (tree_coverage_counter_addr): Declare.
+ * coverage.c (tree_coverage_counter_addr): New function.
+ * tree-profile.c (tree_gen_edge_profiler): Unshare counter
+ before using again.
+ (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
+ (tree_gen_one_value_profiler): Likewise.
+ (tree_gen_ic_profiler): Likewise.
+ (tree_gen_average_profiler): Likewise.
+ (tree_gen_ior_profiler): Likewise.
+
+2008-03-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
+ (vn_binary_op_insert): Likewise.
+ (vn_unary_op_lookup): Likewise.
+ (vn_unary_op_insert): Likewise.
+ (vn_nary_op_lookup): Declare.
+ (vn_nary_op_insert): Likewise.
+ * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
+ and binary hashes, use a single obstack for unary_op_pool
+ and binary_op_pool.
+ (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
+ a single struct vn_nary_op_s. Store tree code length and
+ a variable number of operands.
+ (struct vn_reference_op_struct): Remove unused op2.
+ (vn_reference_op_eq): Do not compare op2.
+ (vn_reference_op_compute_hash): Do not compute hash of op2.
+ (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
+ (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
+ with vn_nary_op_compute_hash.
+ (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
+ (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
+ vn_nary_op_lookup.
+ (vn_unary_op_insert, vn_binary_op_insert): Replace with
+ vn_nary_op_insert.
+ (visit_unary_op): Call nary functions.
+ (visit_binary_op): Likewise.
+ (process_scc): Adjust for struct vn_tables_s changes.
+ (allocate_vn_table): Likewise.
+ (free_vn_table): Likewise.
+ * tree-vn.c (vn_add): Call nary functions.
+ (vn_lookup): Likewise.
+
+2008-03-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/35498
+ * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
+ wdst back after sync_compare_and_swapqhi_internal.
+
+2008-03-08 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/22152
+ * config/i386/i386-modes.def (V1DI): New vector mode.
+ * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
+ * config/i386/mmx.md (MMXMODEI8): New mode iterator.
+ (MMXMODE248): Ditto.
+ (MMXMODE): Add V1DI mode.
+ (mmxvecsize): Change DI mode to V1DI mode.
+ ("mov<mode>): Use MMXMODEI8 mode iterator.
+ ("*mov<mode>_internal_rex64"): Ditto.
+ ("*mov<mode>_internal"): Ditto.
+ ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
+ ("mmx_sub<mode>3"): Ditto.
+ ("mmx_adddi3"): Remove insn pattern.
+ ("mmx_subdi3"): Ditto.
+ ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
+ ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
+ ("mmx_ashl<mode>3"): Ditto.
+ ("mmx_lshrdi3"): Remove insn pattern.
+ ("mmx_ashldi3"): Ditto.
+ * config/i386/i386.c (classify_argument): Handle V1DImode.
+ (function_arg_advance_32): Ditto.
+ (function_arg_32): Ditto.
+ (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
+ mmx_addv1di3 insn pattern.
+ [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
+ [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
+ IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
+ IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
+ Remove definitions of built-in functions.
+ (V1DI_type_node): New node.
+ (v1di_ftype_v1di_int): Ditto.
+ (v1di_ftype_v1di_v1di): Ditto.
+ (v2si_ftype_v2si_si): Ditto.
+ (v4hi_ftype_v4hi_di): Remove node.
+ (v2si_ftype_v2si_di): Ditto.
+ (ix86_init_mmx_sse_builtins): Handle V1DImode.
+ (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
+ Redefine builtins using def_builtin_const with *_ftype_*_int node.
+ (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
+ Add new builtins using def_builtin_const.
+ (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
+ IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
+ IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
+ * config/i386/mmintrin.h (__v1di): New typedef.
+ (_mm_add_si64): Cast arguments to __v1di type.
+ (_mm_sub_si64): Ditto.
+ (_mm_sll_pi16): Cast __count to __v4hi type.
+ (_mm_sll_pi32): Cast __count to __v2si type.
+ (_mm_sll_si64): Cast arguments to __v1di type.
+ (_mm_srl_pi16): Cast __count to __v4hi type.
+ (_mm_srl_pi32): Cast __count to __v2si type.
+ (_mm_srl_si64): Cast arguments to __v1di type.
+ (_mm_sra_pi16): Cast __count to __v4hi type.
+ (_mm_sra_pi32): Cast __count to __v2si type.
+ (_mm_slli_pi16): Use __builtin_ia32_psllwi.
+ (_mm_slli_pi32): Use __builtin_ia32_pslldi.
+ (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
+ (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
+ (_mm_srli_pi32): Use __builtin_ia32_psrldi.
+ (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
+ (_mm_srai_pi16): Use __builtin_ia32_psrawi.
+ (_mm_srai_pi32): Use __builtin_ia32_psradi.
+ * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
+ * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
+ __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
+ __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
+
+2008-03-07 Joseph Myers <joseph@codesourcery.com>
+
+ * doc/include/texinfo.tex: Update to version 2008-03-07.10.
+
+2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
+
+ PR target/35373
+ * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
+ reg+const addressing for Altivec modes. Don't generate reg+reg
+ addressing for TFmode or TDmode quantities.
+
+2008-03-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * c-common.c (vector_types_convertible_p): Call langhook
+ instead of comptypes.
+
+2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/35402
+ * tree-ssa-ccp.c (get_symbol_constant_value): Handle
+ integral and scalar float variables which have a
+ NULL DECL_INITIAL.
+
+2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
+ dwarf_register_span hook when emitting unwind information for
+ register-to-memory saves.
+ * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
+ (rs6000_frame_related): Remove call to spe_synthesize_frame.
+
+2008-03-06 Jakub Jelinek <jakub@redhat.com>
+
+ * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
+ for the same VAR_DECL.
+
+2008-03-06 Tom Tromey <tromey@redhat.com>
+
+ * treelang: Delete.
+ * doc/standards.texi (Standards): Don't mention treelang.
+ * doc/invoke.texi (Overall Options): Don't mention treelang.
+ * doc/install.texi (Prerequisites): Don't mention bison or
+ treelang.
+ (Configuration): Don't mention treelang.
+ (Building): Likewise.
+ * doc/frontends.texi (G++ and GCC): Don't mention treelang.
+
+2008-03-06 Paolo Bonzini <bonzini@gnu.org>
+
+ * simplify-rtx.c (simplify_subreg): Remove useless shifts from
+ word-extractions out of a multi-word object.
+
+2008-03-06 Richard Guenther <rguenther@suse.de>
+
+ * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
+ * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
+ result type and precision.
+ * expr.c (get_inner_reference): Set unsignedp based on the result
+ type of BIT_FIELD_REF.
+ * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
+ * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
+ (try_instantiate_multiple_fields): Likewise. Use the correct type
+ for BIT_FIELD_REF.
+ (sra_build_assignment): Likewise.
+ (sra_build_elt_assignment): Likewise.
+ (sra_explode_bitfield_assignment): Likewise.
+ * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
+ set BIT_FIELD_REF_UNSIGNED.
+ (vectorizable_load): Likewise.
+
+2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * cse.c (cse_extended_basic_block): Invalidate artificial defs
+ at bb start.
+
+2008-03-06 Richard Guenther <rguenther@suse.de>
+
+ * alias.c (struct alias_set_entry): Move has_zero_child field
+ to pack with alias_set.
+
+2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386-modes.def: Use 4 byte alignment on DI for
+ 32bit host.
+
+2008-03-05 Ian Lance Taylor <iant@google.com>
+
+ * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
+
+2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * fwprop.c (update_df): Support width and offset parameters of
+ df_ref_create.
+ * ra-conflict.c (mark_reg_store, clear_reg_in_live,
+ global_conflicts): Change DF_REF_EXTRACT to either
+ DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
+ DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
+ * df-scan.c (df_ref_record, df_defs_record,
+ df_ref_create_structure, df_def_record_1, df_uses_record,
+ df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
+ df_bb_refs_collect, df_entry_block_defs_collect,
+ df_exit_block_uses_collect): Support new width and offset fields.
+ (ref_extract_pool): New storage pool.
+ (df_free_ref): New function.
+ (df_reg_chain_unlink, df_free_collection_rec,
+ df_sort_and_compress_refs): Call df_free_ref.
+ (df_ref_equal_p, df_ref_compare): Compare offset and width fields
+ of df_ref_extract.
+ (df_ref_create_structure): Allocate df_ref_extract if offset and
+ width fields are used.
+ (df_def_record_1): Get offset and width from ZERO_EXTRACT.
+ (df_uses_record): Get offset and width from ZERO_EXTRACT
+ and SIGN_EXTRACT.
+ * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
+ DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
+ DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
+ * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
+ DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
+ DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
+ (df_ref_extract): New structure.
+ (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
+ (df_ref_create): Add width and offset parameters.
+
+2008-03-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (get_constraint_for_component_ref):
+ Use ranges_overlap_p.
+ (offset_overlaps_with_access): Rename
+ to ranges_overlap_p and move ...
+ * tree-flow-inline.h (ranges_overlap_p): ... here.
+
+ * tree.h (get_inner_reference, handled_component_p): Update
+ comments.
+
+ * tree.h (record_component_aliases, get_alias_set,
+ alias_sets_conflict_p, alias_sets_must_conflict_p,
+ objects_must_conflict_p): Move declarations ...
+ * alias.h (record_component_aliases, get_alias_set,
+ alias_sets_conflict_p, alias_sets_must_conflict_p,
+ objects_must_conflict_p): ... here.
+ Include coretypes.h.
+ * Makefile.in (ALIAS_H): Add coretypes.h dependency.
+
+2008-03-05 Aldy Hernandez <aldyh@redhat.com>
+
+ * cfg.c: Include tree-flow.h.
+ (remove_edge_raw): Call redirect_edge_var_map_clear.
+ (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
+ * tree-flow-inline.h (redirect_edge_var_map_def): New.
+ (redirect_edge_var_map_result): New.
+ * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
+ PENDING_STMT use with redirect_edge_var_map_*.
+ * tree-ssa.c (edge_var_maps): New definition.
+ (redirect_edge_var_map_add): New.
+ (redirect_edge_var_map_clear): New.
+ (redirect_edge_var_map_dup): New.
+ (redirect_edge_var_map_vector): New.
+ (redirect_edge_var_map_destroy): New.
+ (ssa_redirect_edge): Replace PENDING_STMT use with
+ redirect_edge_var_map_*.
+ (flush_pending_stmts): Same.
+ (delete_tree_ssa): Destroy edge var map.
+ * tree-flow.h (struct _edge_var_map): New.
+ Define edge_var_map vector type.
+ Declare redirect_edge_var_map_* prototypes.
+ * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
+ * tree-cfg.c (reinstall_phi_args): Replace
+ PENDING_STMT use with redirect_edge_var_map_*.
+
+2008-03-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/35472
+ * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
+ whose single use_stmt has a overlapping set of loaded and
+ stored symbols as that use_stmt might be a noop assignment then.
+
+2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
+
+ * gthr-rtems.h: Implement __gthread_mutex_destroy.
+
+2008-03-05 Richard Guenther <rguenther@suse.de>
+
+ PR c++/35336
+ * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
+ should be constants.
+ * tree-cfg.c (verify_expr): Verify it.
+ * fold-const.c (fold_truthop): Remove code generating
+ BIT_FIELD_REFs of structure bases.
+ (fold_binary): Likewise.
+ (fold_ternary): Position and size of BIT_FIELD_REFs are
+ always host integers.
+ (make_bit_field_ref): Remove.
+ (optimize_bit_field_compare): Remove.
+ (all_ones_mask_p): Remove.
+
+2008-03-05 Gabor Loki <loki@gcc.gnu.org>
+
+ PR gcc/33009
+ * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
+ (split_block_and_df_analyze): New. Split basic block and rebuild
+ dataflow.
+ (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
+ SPLIT_BLOCK.
+ (split_pattern_seq): Likewise.
+ (erase_matching_seqs): Likewise.
+ (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
+
+2008-03-04 Geoff Keating <geoffk@apple.com>
+
+ * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
+ declaration and code.
+ (tree_invalid_nonnegative_warnv_p): Likewise.
+
+2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
+
+ * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
+ examples. Truncate option-names then causing overfull hbox.
+
+2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/35222
+ * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
+ on hpux10.
+ * configure: Rebuilt.
+
+2008-03-04 Rafael Espindola <espindola@google.com>
+
+ * fold-const.c (tree_simple_nonnegative_warnv_p): New.
+ (tree_unary_nonnegative_warnv_p): New.
+ (tree_binary_nonnegative_warnv_p): New.
+ (tree_single_nonnegative_warnv_p): New.
+ (tree_invalid_nonnegative_warnv_p): New.
+ (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
+
+2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 28322
+ * opts.c (handle_option): Postpone 'unknown option' errors only for
+ warning options.
+
+2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/35453
+ * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
+ (_SIDD_XXX): This.
+
+2008-03-04 Rafael Espindola <espindola@google.com>
+
+ * fold-const.c (tree_unary_nonzero_warnv_p): New.
+ (tree_binary_nonzero_warnv_p): New.
+ (tree_single_nonzero_warnv_p): New.
+ (tree_expr_nonzero_warnv_p): Redefine using the new functions.
+
+2008-03-04 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/35456
+ * fold-const.c (fold_cond_expr_with_comparison): Prevent
+ transformations for modes that have signed zeros.
+ * ifcvt.c (noce_try_abs): Ditto.
+
+2008-03-04 Joseph Myers <joseph@codesourcery.com>
+
+ * config/i386/i386.c (override_options): Force
+ -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
+
+2008-03-04 Jan Hubicka <jh@suse.cz>
+
+ PR c++/35262
+ * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
+ in last commit.
+
+2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
+ label to probe the stack.
+
+2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
+ (__gthr_win32_mutex_destroy): Declare.
+ [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
+ __gthr_win32_mutex_destroy.
+ * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
+
+2008-03-03 Jan Hubicka <jh@suse.cz>
+
+ PR c++/35262
+ * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
+ aggressive on inlining cold calls.
+
+2008-03-03 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
+ struct copies into the expression table.
+ (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
+ (try_to_simplify): Likewise.
+ * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
+ integral and pointer arguments which do not change the
+ precision to NOP_EXPRs.
+ * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
+ VIEW_CONVERT_EXPR case.
+
+2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
+ defined in a loop at depth 0 is invariant.
+ * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
+ * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
+ be called at loop depth 0.
+
+2008-03-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR driver/35420
+ * gcc.c (process_command): Update copyright notice dates.
+ * gcov.c (print_version): Likewise.
+ * gcov-dump.c (print_version): Likewise.
+ * mips-tfile.c (main): Likewise.
+ * mips-tdump.c (main): Likewise.
+
+2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 24924
+ * c-common.c (flag_permissive): Delete.
+ (constant_expression_warnings): Check flags first.
+ (constant_expression_error): New.
+ * c-common.h (flag_permissive): Delete.
+ (constant_expression_error): Declare.
+ * flags.h (flag_permissive): Declare. Update description.
+ * diagnostic.c (pedwarn): Update.
+ (permerror): New.
+ * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
+ (permissive_error_kind): New.
+ * toplev.c (flag_permissive): Define. Update description.
+ * toplev.h (permissive_error_kind): Declare.
+ * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
+ (pedwarn_c90): Use pedantic_warning_kind.
+ * c-opts.c (c_common_post_options): flag_permissive does not affect
+ flag_pedantic_errors.
+
+2008-03-02 Joseph Myers <joseph@codesourcery.com>
+
+ * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
+ __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
+ __absvsi2, __absvDI2): Use unsigned arithmetic.
+
+2008-03-02 Andi Kleen <ak@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ * struct-equiv.c: Remove file.
+ * cfg_cleanup.c (condjump_equiv_p): Remove.
+ * Makefile.in (OBJS-common): Remove struct-equiv.o.
+ (struct-equiv.o): Remove rule.
+ * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
+ insns_match_p, struct_equiv_block_eq, struct_equiv_init,
+ rtx_equiv_p, condjump_equiv_p): Remove prototypes.
+
+2008-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * ifcvt.c (noce_process_if_block): Try to handle only the then
+ block if the else block exists but isn't suitable.
+
+2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR gcc/35063
+ * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
+ * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
+ regression from previous patch.
+
+2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR gcc/35063
+ * gthr.h: Add __gthread_mutex_destroy as a function that must be
+ implemented.
+ * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
+ * gthr-single.h (__gthread_mutex_destroy): Likewise.
+ * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
+ * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
+ * gthr-nks.h (__gthread_mutex_destroy): Likewise.
+ * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
+ * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
+ (__gthread_mutex_destroy_function): Rename to
+ __gthread_mutex_destroy.
+ * gthr-dce.h (__gthread_mutex_destroy): Call
+ pthread_mutex_destroy.
+ * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
+ * gthr-posix.h (__gthread_mutex_destroy): Likewise.
+ * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
+
+2008-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * df-scan.c (df_ref_chain_change_bb): Simplify.
+ (df_insn_change_bb): Add new_bb argument. Simplify. Call
+ set_block_for_insn if there's any change.
+ * df.h ((df_insn_change_bb): Fix prototype.
+ * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
+ df_insn_change_bb, don't call set_block_for_insn.
+ * emit-rtl.c (reorder_insns): Likewise.
+ * haifa-sched.c (move_insn): Likewise.
+
+2008-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
+
+2008-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-flow-inline.h (next_readonly_imm_use): Return
+ NULL_USE_OPERAND_P after the end.
+
+2008-03-01 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/35411
+ * tree-sra.c (sra_build_assignment): Split conversion to
+ final type to a separate statement if we are not assigning
+ to a register.
+
+2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
+
+ * fold-const.c (fold_convertible_p): Correct the logic to follow
+ that in fold_convert().
+
+2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
+
+ PR c++/35315
+ * tree-inline.c (build_duplicate_type): When we make a
+ duplicate type, make it unique in the canonical types system.
+
+2008-02-29 Tom Tromey <tromey@redhat.com>
+
+ * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
+ input_file_stack_history, input_file_stack_restored): Remove.
+ (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
+ * input.h (struct file_stack): Remove.
+ (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
+ (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
+ Likewise.
+ * diagnostic.h (struct diagnostic_context) <last_module>: Change
+ type.
+ (diagnostic_last_module_changed): Add 'map' argument.
+ (diagnostic_set_last_function): Likewise.
+ * diagnostic.c (undiagnostic_report_current_module): Iterate using
+ line map, not input_file_stack.
+ * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
+
+2008-02-29 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
+
+2008-02-29 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/ieee754-df.S (muldf3): Use RET macros.
+
2008-02-29 Richard Guenther <rguenther@suse.de>
* tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
struct rdg_vertex_info, rdg_vertex_for_stmt): New.
(create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
(stmts_from_loop): Skip LABEL_EXPR.
- (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
+ (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
+ New.
(build_rdg): Initialize rdg->indices htab.
(free_rdg, stores_from_loop, ref_base_address,
rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
* tree-data-ref.h: Depend on tree-chrec.h.
(debug_data_dependence_relations, free_data_ref): Declared.
(same_access_functions): ... here.
- (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
+ (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
+ New.
(struct rdg_vertex): Add has_mem_write and has_mem_reads.
(RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
(struct rdg_edge): Add level.
(RDGE_LEVEL): New.
(free_rdg, stores_from_loop, remove_similar_memory_refs,
- rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
+ rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
+ Declared.
(rdg_has_similar_memory_accesses): New.
* tree-vect-analyze.c: Remove unused static decls.
* lambda.h (dependence_level): New.
(OPTION_MASK_ISA_SSE5_UNSET): Likewise.
(OPTION_MASK_ISA_SSE4): Removed.
(ix86_handle_option): Turn on bits in ix86_isa_flags and
- ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
- -mXXX.
+ ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
(override_options): Don't turn on implied SSE/MMX bits in
ix86_isa_flags.
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