+2010-04-27 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/43812
+ * ipa.c (dissolve_same_comdat_group_list): New function.
+ (function_and_variable_visibility): Call
+ dissolve_same_comdat_group_list when comdat group contains external or
+ newly local nodes.
+ * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
+ lists are circular and that they contain only DECL_ONE_ONLY nodes.
+
+2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
+
+ * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
+ (const_hash_1) <VECTOR_CST>: New case.
+ (compare_constant) <VECTOR_CST>: Likewise.
+ <ADDR_EXPR>: Deal with LABEL_REFs.
+ (copy_constant) <VECTOR_CST>: New case.
+
+2010-04-27 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_propagate_frequency): New function.
+ * cgraph.h (cgraph_propagate_frequency): Declare.
+ * ipa-inline.c (cgraph_clone_inlined_nodes): Call
+ cgraph_propagate_frequency.
+
+2010-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
+
+2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR target/40657
+ * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
+ (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
+ here to determine which regs to push and how much stack to reserve.
+
+2010-04-27 Jie Zhang <jie@codesourcery.com>
+
+ * doc/gimple.texi (gimple_statement_with_ops): Remove
+ addresses_taken field.
+ (gimple_statement_with_memory_ops): Likewise.
+
+2010-04-27 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (eni_inlining_weights): Remove.
+ (estimate_num_insns): Special case more builtins.
+
+2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
+
+ PR c/32207
+ * c-typeck.c (build_binary_op): Move forward check for comparison
+ pointer with null pointer constant and adjust the diagnostic message.
+
+2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR lto/42776
+ * configure.ac (gcc_cv_as_section_has_align): Set if installed
+ binutils supports extended .section directive needed by LTO, or
+ warn if older binutils found.
+ (LTO_BINARY_READER): New AC_SUBST'd variable.
+ (LTO_USE_LIBELF): Likewise.
+ * gcc/config.gcc (lto_binary_reader): New target-specific configure
+ variable.
+ * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
+ (LTO_USE_LIBELF): Likewise.
+ * configure: Regenerate.
+
+ * collect2.c (is_elf): Rename from this ...
+ (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
+ object files in addition to ELF-formatted ones.
+ (scan_prog_file): Caller updated. Also allow for LTO info marker
+ symbol to be prefixed or not by an extra underscore.
+
+ * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
+ * config/i386/winnt.c: Also #include lto-streamer.h
+ (i386_pe_asm_named_section): Specify 1-byte section alignment for
+ LTO named sections.
+ (i386_pe_asm_output_aligned_decl_common): Add comment.
+ (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
+
+2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
+
+ PR target/43889
+ * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
+ Add missing earlyclobber for second alternative.
+
+2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
+
+ * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
+ bits for artificial defs at the top of the block.
+ * fwprop.c (single_def_use_enter_block): Don't call it.
+
+2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ PR 43715
+ * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
+ instead of "$gcc_cv_objdump -T".
+ Use "-undefined dynamic_lookup" on darwin.
+ * gcc/configure: Regenerate.
+
+2010-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/43893
+ * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
+
+2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
+
+ * c-parser.c (struct c_token): Move location field up.
+ * c-tree.h (struct c_typespec): Move expr_const_operands field up.
+ (struct c_declspecs): Convert typespec_word, storage_class, and
+ default_int_p into bitfields.
+ (struct c_declarator): Move loc field up.
+
+2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
+
+ * cfgloop.h (struct loop): Move can_be_parallel field up.
+ * ipa-prop.h (struct ip_node_params): Move bitfields up.
+ * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
+ down.
+ (struct iv_cand): Convert pos field into a bitfield.
+ * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
+ field up.
+ (struct _stmt_vec_info): Shuffle fields for better packing.
+
+2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * varasm.c (IN_NAMED_SECTION): Remove guard.
+ * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
+ (IN_NAMED_SECTION_P): ...this.
+ (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
+ (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
+
+2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
+ Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
+ of shadowing it. Fix comments.
+
+2010-04-26 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_create_node): Set node frequency to normal.
+ (cgraph_clone_node): Copy function frequency.
+ * cgraph.h (node_frequency): New enum
+ (struct cgraph_node): Add.
+ * final.c (rest_of_clean_state): Update.
+ * lto-cgraph.c (lto_output_node): Output node frequency.
+ (input_overwrite_node): Input node frequency.
+ * tre-ssa-loop-ivopts (computation_cost): Update.
+ * lto-streamer-out.c (output_function): Do not output function
+ frequency.
+ * predict.c (maybe_hot_frequency_p): Update and handle functions
+ executed once.
+ (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
+ attribute lookup.
+ (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
+ (compute_function_frequency): Set noreturn functions to be executed
+ once.
+ (choose_function_section): Update.
+ * lto-streamer-in.c (input_function): Do not input function frequency.
+ * function.c (allocate_struct_function): Do not initialize function
+ frequency.
+ * function.h (function_frequency): Remove.
+ (struct function): Remove function frequency.
+ * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
+ (try_update): Update.
+ * tree-inline.c (initialize_cfun): Do not update function frequency.
+ * passes.c (pass_init_dump_file): Update.
+ * i386.c (ix86_compute_frame_layout): Update.
+ (ix86_pad_returns): Update.
+
+2010-04-26 Jie Zhang <jie@codesourcery.com>
+
+ PR tree-optimization/43833
+ * tree-vrp.c (range_int_cst_p): New.
+ (range_int_cst_singleton_p): New.
+ (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
+ when both operands are constants. Use range_int_cst_p in
+ BIT_IOR_EXPR case.
+
2010-04-26 Jan Hubicka <jh@suse.cz>
* cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
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