+2009-07-20 Nick Clifton <nickc@redhat.com>
+
+ * config.gcc (mips64-*-*): Add definition of tm_defines in order
+ to set MIPS_ABI_DEFAULT.
+ * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
+
+2009-07-20 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-object-size.c (addr_object_size): Handle unions with
+ array in it as last field of structs in __bos (, 1) as __bos (, 0).
+
+ PR tree-optimization/40792
+ * tree.c (build_function_type_skip_args): Remove bogus assert.
+
+2009-07-20 Jan Hubicka <jh@suse.cz>
+ Martin Jambor <mjambor@suse.cz>
+
+ * cgraph.h (combined_args_to_skip): New field.
+ * cgraph.c (cgraph_create_virtual_clone): Properly handle
+ combined_args_to_skip and args_to_skip.
+ * tree-inline.c (update_clone_info): New function.
+ (tree_function_versioning): Call update_clone_info.
+ * cgraphunit.c: (cgraph_materialize_clone): Dump materialized functions.
+ (cgraph_materialize_all_clones): More extensive dumping, working
+ with combined_args_to_skip rather than args_to_skip.
+
+2009-07-20 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vectorizer.h (vectorizable_condition): Add parameters.
+ * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
+ (get_initial_def_for_reduction): Likewise.
+ (vectorizable_reduction): Skip the check of first operand in case
+ of COND_EXPR. Add check that it is outer loop vectorization if
+ nested cycle was detected. Call vectorizable_condition() for
+ COND_EXPR. If reduction epilogue cannot be created do not fail for
+ nested cycles (if it is not double reduction). Assert that there
+ is only one type in the loop in case of COND_EXPR. Call
+ vectorizable_condition() to vectorize COND_EXPR.
+ * tree-vect-stmts.c (vectorizable_condition): Update comment.
+ Add parameters. Allow nested cycles if called from
+ vectorizable_reduction(). Use reduction vector variable if provided.
+ (vect_analyze_stmt): Call vectorizable_reduction() before
+ vectorizable_condition().
+ (vect_transform_stmt): Update call to vectorizable_condition().
+
+2009-07-20 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.opt (-mfmovd): Resurrect and document.
+ * doc/invoke.texi (-mfmovd): Likewise.
+ * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
+
+2009-07-20 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
+ when handling SSA name.
+
+2009-07-19 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/40676
+ * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
+ virtual PHIs in empty BBs.
+
+2009-07-18 Adam Nemet <anemet@caviumnetworks.com>
+
+ * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
+ re-expanded the compound use gen_lowpart instead to convert to the
+ desired mode.
+
+2009-07-18 Adam Nemet <anemet@caviumnetworks.com>
+
+ * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
+ OUTER_CONST arguments.
+ <LSHIFTRT>: Use them to allow widening if the bits shifted in from
+ the new wider mode will be masked off.
+ (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
+
+2009-07-18 Adam Nemet <anemet@caviumnetworks.com>
+
+ * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
+ high-order bits are zero.
+
+2009-07-18 Adam Nemet <anemet@caviumnetworks.com>
+
+ * combine.c (simplify_shift_const_1): Split code to determine
+ shift_mode into ...
+ (try_widen_shift_mode): ... here. Allow widening for ASHIFTRT if the
+ new bits shifted in are identical to the old sign bit.
+
+2009-07-18 Richard Guenther <rguenther@suse.de>
+
+ PR c/40787
+ * gimplify.c (gimplify_call_expr): Reject code using results from
+ functions returning void.
+
+2009-07-18 Richard Sandiford <r.sandiford@uk.ibm.com>
+
+ * doc/md.texi: Document the new PowerPC "es" constraint.
+ Document that "m" can include automodified addresses on this target,
+ and explain how %U must be used. Extend the "Q" and "Z" documentation
+ to suggest "es" as well as "m".
+ * config/rs6000/constraints.md (es): New memory constraint.
+ (Q, Z): Update strings to match new documentation.
+
+2009-07-18 Richard Sandiford <r.sandiford@uk.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
+ offset from virtual_stack_vars_rtx and arg_pointer_rtx.
+ * config/rs6000/predicates.md (volatile_mem_operand): Use
+ offsettable_nonstrict_memref_p.
+ * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
+ (*floatunssidf2_internal): Likewise.
+ (*fix_truncdfsi2_internal): Likewise.
+ (*fix_trunctfsi2_internal): Likewise.
+
+2009-07-17 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
+ atmega32u2 devices.
+ * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
+
+2009-07-17 Richard Guenther <rguenther@suse.de>
+
+ PR c/40401
+ * tree-pass.h (pass_diagnose_omp_blocks): Declare.
+ (pass_warn_unused_result): Likewise.
+ (TODO_set_props): Remove.
+ * omp-low.c (diagnose_omp_structured_block_errors): Change to
+ run as a pass.
+ (pass_diagnose_omp_blocks): Define.
+ * c-decl.c (pop_file_scope): Do not finalize the CU here.
+ (c_gimple_diagnostics_recursively): Remove.
+ (finish_function): Do not call it.
+ (c_write_global_declarations): Continue after errors.
+ Finalize the CU here.
+ * c-gimplify.c (c_genericize): Do not gimplify here.
+ * c-common.c (c_warn_unused_result): Move ...
+ * tree-cfg.c (do_warn_unused_result): ... here.
+ (run_warn_unused_result): New function.
+ (gate_warn_unused_result): New function.
+ (pass_warn_unused_result): New pass.
+ * c-common.h (c_warn_unused_result): Remove.
+ * flags.h (flag_warn_unused_result): Declare.
+ * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
+ * opts.c (flag_warn_unused_result): Initialize to false.
+ * toplev.c (compile_file): Add comment.
+ * omp-low.c (create_omp_child_function): Do not register
+ the function with the frontend.
+ (diagnose_omp_structured_block_errors): Prepare to be
+ called as optimization pass.
+ (gate_diagnose_omp_blocks): New function.
+ (pass_diagnose_omp_blocks): New pass.
+ * cgraph.h (cgraph_optimize): Remove.
+ (cgraph_analyze_function): Likewise.
+ * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
+ * cgraphunit.c (cgraph_lower_function): Lower nested functions
+ before their parents here.
+ (cgraph_finalize_function): Not here.
+ (cgraph_analyze_function): Gimplify functions here.
+ (cgraph_finalize_compilation_unit): Continue after errors.
+ Optimize the callgraph from here.
+ (cgraph_optimize): Make static.
+ * langhooks.c (write_global_declarations): Finalize the CU.
+ * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
+ (gimplify_function_tree): Assert we gimplify only once.
+ Set PROP_gimple_any property.
+ * tree-nested.c (gimplify_all_functions): New function.
+ (lower_nested_functions): Gimplify all nested functions.
+ * gimple.h (diagnose_omp_structured_block_errors): Remove.
+ * passes.c (init_optimization_passes): Add pass_warn_unused_result
+ and pass_diagnose_omp_blocks after gimplification. Do not
+ set TODO_set_props on all_lowering_passes.
+ (execute_one_pass): Do not handle TODO_set_props.
+ * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
+ (gimplify.o): Add tree-pass.h dependency.
+ * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
+ (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
+ (unsave_r): Likewise.
+ * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
+ temporary variable.
+
+2009-07-17 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/service.texi (Service): Restore previously removed link,
+ which isn't broken after all.
+
+2009-07-17 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/40321
+ * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
+ PHI nodes to the maximal set.
+ (make_values_for_phi): Add PHI arguments to the maximal set.
+ (execute_pre): Dump PHI_GEN and the maximal set.
+
+2009-07-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/40780
+ * gimplify.c (gimplify_conversion): Don't change non-conversions into
+ VIEW_CONVERT_EXPR.
+
+2009-07-16 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/extend.texi (Nested Functions): Replace broken link with
+ textual reference.
+ * doc/service.texi (Service): Remove broken link.
+
+2009-07-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/40781
+ * builtins.c (expand_builtin_memcmp): Use loc instead of
+ EXPR_LOCATION (exp).
+ (expand_builtin_strncmp): Likewise.
+
+2009-07-17 Aldy Hernandez <aldyh@redhat.com>
+ Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR 40435
+ * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
+ builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
+ tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
+ c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
+ calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
+ tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
+ tree-inline.c, c-common.c, c-common.h, gimple.c,
+ tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
+ convert.c: Add location argument to fold_{unary,binary,ternary},
+ fold_build[123], build_call_expr, build_size_arg,
+ build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
+ fold_build1_initializer, fold_build2_initializer,
+ fold_build3_initializer, fold_build_call_array,
+ fold_build_call_array_initializer, fold_single_bit_test,
+ omit_one_operand, omit_two_operands, invert_truthvalue,
+ fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
+ combine_comparisons, fold_builtin_*, fold_call_expr,
+ build_range_check, maybe_fold_offset_to_address, round_up,
+ round_down.
+
+2009-07-16 Jason Merrill <jason@redhat.com>
+
+ PR libstdc++/37907
+ * c-common.c (c_common_reswords): Add __is_standard_layout
+ and __is_trivial.
+ * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
+ * doc/implement-cxx.texi: New.
+ * doc/gcc.texi: Include it.
+
+2009-07-16 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
+ compares that may be indirectly affected by previous instructions.
+
+2009-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (do_mpc_arg2): New.
+ (fold_builtin_2): Fold builtin cpow.
+ * real.h (HAVE_mpc_pow): New.
+
+2009-07-16 Bingfeng Mei <bmei@broadcom.com>
+
+ * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
+ comparison to skip unprofitable schedule
+
+2009-07-16 Simon Baldwin <simonb@google.com>
+
+ * gcc.c (option_map): New flag -no-canonical-prefixes.
+ * (display_help): Print help text for new flag.
+ * (process_command): Move options translation and language specifics
+ and handle new flag early. Use it to set a function pointer to a
+ prefix builder. Replace make_relative_prefix calls with calls to
+ the function pointed to. Ignore new flag in regular options handling.
+ * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
+
+2009-07-15 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.md (sibcall_internal): Change register to avoid
+ argument registers.
+ (sibcall_value_internal): Likewise.
+
+2009-07-15 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/40710
+ * resource.c (mark_target_live_regs): Reset DF problem to LR.
+
+2009-07-15 Adam Nemet <anemet@caviumnetworks.com>
+
+ * config/mips/mips.md (*extenddi_truncate<mode>,
+ *extendsi_truncate<mode>): Change type attribute to move_type
+ with shift_shift. Split out code handling exts from here ...
+ (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
+ pattern.
+ (*extendhi_truncateqi): Change type attribute to move_type with
+ shift_shift. Split out code handling exts from here ...
+ (*extendhi_truncateqi_exts): ... to this new pattern.
+
+2009-07-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
+ instead of "and" with inverted sign bit mask value. Use
+ "nonimmediate_operand" for operand 1 and operand 2 predicate.
+ Allocate registers only for operand 4 and operand 5.
+
+2009-07-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/40747
+ * fold-const.c (fold_cond_expr_with_comparison): When folding
+ < and <= to MIN, make sure the MIN uses the same type as the
+ comparison's operands.
+
+2009-07-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (ior_xor): New code iterator.
+ (split for ior/xor with shift and zero-extend): New split pattern.
+ * arm/predicates.md (subreg_lowpart_operator): New special predicate.
+
+2009-07-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
+ offset member.
+
+2009-07-15 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/40753
+ * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
+
+2009-07-15 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
+ handle 2.6.30 kernel.
+
+2009-07-15 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.md (sibcall_internal): Change register to allow
+ for 24-bit addresses.
+ (sibcall_value_internal): Likewise.
+
+2009-07-14 Ghassan Shobaki <ghassan.shobaki@amd.com>
+
+ * doc/invoke.texi: Added descriptions of the scheduling heuristics
+ that are enabled/disabled by the flags introduced by a previous patch.
+
+2009-07-14 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.md (sibcall_internal): Include non-toggling
+ non-jmp case.
+ (sibcall_value_internal): Likewise.
+
+2009-07-14 Taras Glek <tglek@mozilla.com>
+ Rafael Espindola <espindola@google.com>
+
+ * doc/sourcebuild.texi: Document install-plugin target.
+ * configure.ac: Added install-plugin target to language makefiles.
+ * configure: Regenerate.
+ * Makefile.in: (install-plugin): Install more headers,
+ depend on lang.install-plugin.
+
+2009-07-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
+ translation.
+
+2009-07-14 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.c (mep_vliw_jmp_match): New function.
+ * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
+ * config/mep/mep.md (sibcall_internal): Change test from
+ mep_vliw_mode_match to mep_vliw_jmp_match.
+ (sibcall_value_internal): Likewise.
+
+2009-07-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (copysign<mode>3): New expander.
+ * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
+ * config/i386/i386.c (ix86_build_signbit_mask): Make public.
+ Use ix86_build_const_vector.
+ (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
+ IX86_BUILTIN_CPYSGNPD.
+ (builtin_description): Add __builtin_ia32_copysignps and
+ __builtin_ia32_copysignpd.
+ (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
+ and BUILT_IN_COPYSIGNF.
+
+2009-07-13 Jason Merrill <jason@redhat.com>
+
+ * builtins.c (can_trust_pointer_alignment): New fn.
+ (get_pointer_alignment): Factor it out from here.
+ * tree.h: Declare it.
+
+2009-07-14 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/predicates.md (offsettable_mem_operand): Test
+ RTX_AUTOINC class.
+
+2009-07-14 Dodji Seketeli <dodji@redhat.com>
+
+ PR debug/40705
+ PR c++/403057
+ * dwarf2.out.c (gen_type_die_with_usage): Added comment.
+
+2009-07-14 Richard Guenther <rguenther@suse.de>
+ Andrey Belevantsev <abel@ispras.ru>
+
+ PR middle-end/40745
+ * cfgexpand.c (partition_stack_vars): Do not bother to update
+ alias information when not optimizing.
+
+2009-07-14 Richard Guenther <rguenther@suse.de>
+ Andrey Belevantsev <abel@ispras.ru>
+
+ * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
+ (pt_solution_set): Likewise.
+ * tree-ssa-alias.c (refs_may_alias_p_1): Export.
+ * tree-ssa-structalias.c (pt_solution_set): New function.
+ * final.c (rest_of_clean_state): Free SSA data structures.
+ * print-rtl.c (print_decl_name): Remove.
+ (print_mem_expr): Implement in terms of print_generic_expr.
+ * alias.c (ao_ref_from_mem): New function.
+ (rtx_refs_may_alias_p): Likewise.
+ (true_dependence): Query alias-export info.
+ (canon_true_dependence): Likewise.
+ (write_dependence_p): Likewise.
+ * tree-dfa.c (get_ref_base_and_extent): For void types leave
+ size unknown.
+ * emit-rtl.c (component_ref_for_mem_expr): Remove.
+ (mem_expr_equal_p): Use operand_equal_p.
+ (set_mem_attributes_minus_bitpos): Do not use
+ component_ref_for_mem_expr.
+ * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
+ (update_alias_info_with_stack_vars): Likewise.
+ (partition_stack_vars): Call update_alias_info_with_stack_vars.
+ * tree-ssa.c (delete_tree_ssa): Do not release SSA names
+ explicitly nor clear stmt operands.
+ Free the decl-to-pointer map.
+ * tree-optimize.c (execute_free_datastructures): Do not free
+ SSA data structures here.
+ * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
+ * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
+ (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
+ dependencies.
+ (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
+
+2009-07-13 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
+ unrolling at the right iteration count.
+
+ * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
+ calculations.
+
+2009-07-13 Ghassan Shobaki <ghassan.shobaki@amd.com>
+
+ * haifa-sched.c (rank_for_schedule): Introduced flags to
+ enable/disable individual scheduling heuristics.
+ * common.opt: Introduced flags to enable/disable individual
+ heuristics in the scheduler.
+ * doc/invoke.texi: Introduced flags to enable/disable individual
+ heuristics in the scheduler.
+
2009-07-13 Kai Tietz <kai.tietz@onevision.com>
* config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
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