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2012-06-04 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 4f3d3ed..3f66333 100644 (file)
@@ -1,3 +1,739 @@
+2012-06-04  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/53471
+       * dwarf2out.c (dwarf2out_finish): If generating LTO do not
+       create new assembler names.
+
+2012-06-04  Richard Guenther  <rguenther@suse.de>
+
+       Backport from mainline
+       2012-04-25  Jakub Jelinek  <jakub@redhat.com>
+       PR middle-end/52979
+       * stor-layout.c (get_best_mode): Don't return mode with bitsize
+       larger than maxbits.  Don't compute maxbits modulo align.
+       Also check that unit bytes long store at bitpos / unit * unit
+       doesn't affect bits beyond bitregion_end.
+       * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
+       would not fit into bitregion_start ... bitregion_end + 1 bit
+       region.
+       (store_split_bit_field): Decrease unit close to end of bitregion_end
+       if access is restricted in order to avoid mutual recursion.
+
+2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
+
+       Backport from 2012-06-04 mainline r188172
+
+       PR target/46261
+       * config/avr/avr-stdint.h: New file.
+       * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
+       newlib-stdint.h
+
+2012-06-04  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/53550
+       * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
+       is POINTER_TYPE_P, use sizetype as step type instead of type.
+
+2012-06-04  Richard Guenther  <rguenther@suse.de>
+           Eric Botcazou  <ebotcazou@adacore.com>
+
+       Backport from mainline
+       2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
+
+        * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
+        Change type of BITOFFSET to signed.  Make sure the lower bound of
+        the computed range is non-negative by adjusting OFFSET and BITPOS.
+        (expand_assignment): Adjust call to get_bit_range.
+
+       2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+        * expr.c (get_bit_range): Return the null range if the enclosing record
+        is part of a larger bit field.
+
+       2012-03-20  Richard Guenther  <rguenther@suse.de>
+
+        * stor-layout.c (finish_bitfield_representative): Fallback
+        to conservative maximum size if the padding up to the next
+        field cannot be computed as a constant.
+        (finish_bitfield_layout): If we cannot compute the distance
+        between the start of the bitfield representative and the
+        bitfield member start a new representative.
+        * expr.c (get_bit_range): The distance between the start of
+        the bitfield representative and the bitfield member is zero
+        if the field offsets are not constants.
+
+       2012-03-16  Richard Guenther  <rguenther@suse.de>
+
+        * stor-layout.c (finish_bitfield_representative): Fall back
+        to the conservative maximum size if we cannot compute the
+        size of the tail padding.
+
+       2012-03-14  Richard Guenther  <rguenther@suse.de>
+
+       * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
+       * stor-layout.c (start_bitfield_representative): New function.
+       (finish_bitfield_representative): Likewise.
+       (finish_bitfield_layout): Likewise.
+       (finish_record_layout): Call finish_bitfield_layout.
+       * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
+       for QUAL_UNION_TYPE fields.
+       * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
+       Stream DECL_BIT_FIELD_REPRESENTATIVE.
+       * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
+
+       PR middle-end/52080
+       PR middle-end/52097
+       PR middle-end/48124
+       * expr.c (get_bit_range): Unconditionally extract bitrange
+       from DECL_BIT_FIELD_REPRESENTATIVE.
+       (expand_assignment): Adjust call to get_bit_range.
+
+2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR middle-end/53501
+       * fold-const.c (fold_binary_loc): Refine previous change.
+
+2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
+
+       Backport from mainline
+       2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
+
+       PR target/52667
+       * config/sh/sh.c (find_barrier): Add equality check of last_got to
+       avoid going above orig insn.  Update comments.
+
+2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
+
+       Backport from mainline
+       2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       PR target/52642
+       * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
+       prologue for unwinder and profiler.
+
+2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
+
+       Backport from mainline
+       2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
+
+2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
+
+       Backport from mainline
+       2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh.c (sh_dwarf_register_span): Don't apply
+       DBX_REGISTER_NUMBER.
+
+2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
+
+       Backport from mainline
+       2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
+       operand is CONST_INT.  Take COSTS_N_INSNS into account.
+       (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
+       shiftcosts.     
+
+2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/avr.opt (-msp8): Document it.
+       * doc/invoke.texi (AVR Options): Copy from trunk docu.
+
+2012-05-31  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/48493
+       * expr.c (expand_assignment): Do not use movmisalign on
+       non-memory.
+
+2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR target/52999
+       * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
+       (pa_section_type_flags): New.
+       (pa_legitimate_constant_p): Revert previous change.
+
+2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
+
+       Backport from mainline
+       2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
+
+       PR middle-end/53008
+       * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
+       accessed indirectly.
+       (ipa_tm_create_version): Same.
+
+2012-05-30  Jason Merrill  <jason@redhat.com>
+
+       PR c++/53220
+       * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
+       about array compound literals.
+
+2012-05-30  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/53501
+       * fold-const.c (fold_binary_loc): Make sure to call
+       fold_plusminus_mult_expr with the original sign of operands.
+
+2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * explow.c (probe_stack_range): Restore simple control flow and stop
+       again when the probe cannot be generated if HAVE_check_stack.
+
+2012-05-30  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/53519
+       * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
+       instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
+
+2012-05-29  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/53516
+       * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
+       bitfield accesses.
+       * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
+
+2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+       Backport from mainline
+        2012-05-28  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/53438
+       * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
+
+2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
+
+       Backport from mainline
+       2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
+
+       PR rtl-optimization/52528
+       * combine.c (can_combine_p): Add setting of subst_low_luid
+       before call to expand_field_assignment().
+
+2012-05-26  Martin Jambor  <mjambor@suse.cz>
+
+       Backport from mainline
+       2012-05-23  Martin Jambor  <mjambor@suse.cz>
+
+       * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
+
+2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR lto/52178
+       * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
+       * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
+
+2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
+
+       PR target/53435
+       * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
+       (ix86_expand_vec_perm): Use int mode instead of float.
+
+2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR ada/52362
+       * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
+       gnu_ld variables to yes.
+       * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
+       (HAVE_GNU_AS): Likewise.
+       * config.in: Regenerate.
+       * configure: Likewise.
+
+2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
+
+       Backport from mainline
+        2012-03-12  Richard Guenther  <rguenther@suse.de>
+       * config/arm/arm.c (neon_dereference_pointer): Do not call
+       covert during RTL expansion.
+
+2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+       Backport from mainline
+        2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+       PR target/53385
+       * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
+       relied on signed overflow behavior.
+
+2012-05-24  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/53460
+       * tree-profile.c (tree_profiling): Cleanup the CFG if
+       execute_fixup_cfg requests it.
+
+2012-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/53465
+       * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
+       vr0 into *vr, then vrp_meet that.
+       (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
+       have any equivalences.
+       (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
+       first time.
+
+2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
+       size handling.
+       (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
+       (iterative_hash_gimple_type): Adjust comment.
+       (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
+       domain for an array type instead of the domain type itself.
+
+2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
+
+       Backport from 2012-05-23 mainline r187803
+
+       PR target/53448
+       * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
+       * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
+       ASM_OUTPUT_ALIGN.
+
+2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
+
+       Backport from 2012-05-03 mainline r187075
+
+       * config/i386/driver-i386.c (host_detect_local_cpu): Reset
+       has_fma4 for AMD processors with both fma3 and fma4 support.
+
+2012-05-22  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/53408
+       * tree-vect-loop.c (vectorizable_induction): Properly check
+       the restriction that we cannot handle induction results from
+       the inner loop outside of the outer loop.
+
+2012-05-21  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/53436
+       * omp-low.c (omp_build_component_ref): New function.
+       (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
+
+       PR tree-optimization/53366
+       * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
+       tests if complex_numbers == 2, but there are non-complex number loads
+       too.
+
+       PR tree-optimization/53409
+       * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
+       vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
+
+       PR tree-optimization/53410
+       * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
+       instead of build_int_cst (type, 0) where vector types might be
+       involved.
+
+2012-05-21  Joseph Myers  <joseph@codesourcery.com>
+
+       PR c/53418
+       * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
+       from folded operands before wrapping another around the
+       conditional expression.
+
+2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
+           Patrick Marlier  <patrick.marlier@gmail.com>
+
+       * trans-mem.c (ipa_tm_transform_clone): Transform functions with
+       indirect calls.
+
+2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
+
+       Backport from mainline
+       2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/53416
+       * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
+       (UNSPECV_RDRAND): This.
+       (rdrand<mode>_1): Updated.
+
+2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+       Backport from mainline
+       2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/driver-i386.c (host_detect_local_cpu): Support
+       RDRND, F16C and FSGSBASE.
+
+2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
+
+       Backport from mainline
+       2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree-ssa-pre.c (can_value_number_call): Delete.
+       (compute_avail): Skip all statements with side effects.
+       <GIMPLE_CALL>: Skip calls to internal functions.
+
+2012-05-18  David S. Miller  <davem@davemloft.net>
+
+       Backport r185385 from mainline
+       2012-03-14  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/52584
+       * tree-vect-generic.c (type_for_widest_vector_mode): Take
+       element type instead of mode, use build_vector_type_for_mode
+       instead of the langhook, build a vector of proper signedness.
+       (expand_vector_operations_1): Adjust.
+
+2012-05-18  Olivier Hainque  <hainque@adacore.com>
+
+       * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
+       $(libsubdir) as libexecsubdir.
+
+2012-05-16  Andrew Pinski  <apinski@cavium.com>
+
+       * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
+       GIMPLE_ASSIGN.
+
+2012-05-16  David S. Miller  <davem@davemloft.net>
+
+       * jump.c (delete_related_insns): If we remove a CALL, make sure
+       we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
+
+2012-05-16  Richard Henderson  <rth@redhat.com>
+
+       PR debug/52727
+       * combine-stack-adj.c (prev_active_insn_bb): New.
+       (next_active_insn_bb): New.
+       (force_move_args_size_note): New.
+       (combine_stack_adjustments_for_block): Use it.
+
+2012-05-16  Olivier Hainque  <hainque@adacore.com>
+
+       * Makefile.in (install-no-fixedincludes): New target, former toplevel
+       gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
+       Add comments and improve stamp preservation across the whole sequence.
+       (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
+
+2012-05-16  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/53364
+       * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
+       detect a view-conversion of the decl.
+
+2012-05-15  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/53358
+       * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
+       that operands[2] is either immediate, or q_regs_operand.
+
+2012-05-15  Bin Cheng  <bin.cheng@arm.com>
+
+       Backport r187139 from mainline.
+       2012-05-04  Bin Cheng  <bin.cheng@arm.com>
+
+       PR rtl-optimization/52804
+       * reload1.c (reload_reg_reaches_end_p): Check whether successor
+       reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
+       of current one with type RELOAD_FOR_INPADDR_ADDRESS.
+       Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
+       RELOAD_FOR_OUTADDR_ADDRESS.
+
+2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/46098
+       * config/i386/i386.c (ix86_expand_special_args_builtin): Always
+       generate target register for "load" class builtins.
+
+       Revert:
+       2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/46098
+       * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
+       Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
+       (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
+       (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
+       (<sse>_movu<ssemodesuffix>): New expander.
+       (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
+       (avx_movdqu<avxmodesuffix>): New expander.
+       (*sse2_movdqu): Rename from sse2_movdqu.
+       (sse2_movdqu): New expander.
+
+2012-05-14  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
+       lineno 1 the same as lineno 0 before first start file directive.
+       (optimize_macinfo_range): Likewise.
+
+       * dwarf2out.c (have_macinfo): Define.
+       (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
+       attribute, don't force empty compilation unit and don't emit any
+       .debug_macinfo/.debug_macro section if macinfo_table is empty.
+
+2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
+
+       Backport from mainline
+       2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
+       ORDERED and UNORDERED conditions.
+
+2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * function.c (requires_stack_frame_p): If the function can throw
+       non-call exceptions, return true if the insn can throw internally.
+
+2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
+       DECL_ORIGINAL_TYPE if it is present.
+
+2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
+
+       Backport from 2012-05-12 mainline r187342.
+
+       PR target/53256
+       * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
+       * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
+       * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
+       * config/avr/avr.c (avr_asm_declare_function_name): Remove.
+       (expand_prologue): Move initialization of cfun->machine->is_naked,
+       is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
+       (avr_set_current_function): ...this new static function.
+       (TARGET_SET_CURRENT_FUNCTION): New define.
+       (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
+       checking attributes of current_function_decl.
+       (avr_regs_to_save): Ditto.
+       (signal_function_p): Rename to avr_signal_function_p.
+       (interrupt_function_p): Rename to avr_interrupt_function_p.
+
+       * doc/extend.texi (Function Attributes): Better explanation of
+       'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
+       alphabetical order.
+
+2012-05-09  Matthias Klose  <doko@ubuntu.com>
+
+       * gcc-ar.c (main): Don't check for execute bits for the plugin.
+
+2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
+
+       PR target/53272
+       * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
+       when a constant source operand matches an "I" constraint, the "no
+       CC0 change" applies to a register-destination only, not a
+       strict_low_part-destination.
+
+2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
+
+       Backport from mainline:
+       2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
+
+       * config/arm/sync.md (sync_optab): Change ior attribute to "or".
+
+2012-05-07  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/53239
+       * tree-vrp.c (get_value_range): Set VR of
+       SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
+       to nonnull.
+
+2012-05-07  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/53195
+       * tree-inline.c (setup_one_parameter): Properly add referenced
+       vars from the parameters new known value.
+
+2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       Backport from mainline:
+       2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR target/52999
+       * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
+       in constant pool.
+
+2012-05-04  Ian Lance Taylor  <iant@google.com>
+
+       * tree-vect-patterns.c (vect_single_imm_use): Correct return
+       values from false to NULL.
+
+2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
+
+       Backport from mainline
+       2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/53228
+       * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
+       (TARGET_CMOV): Rename from TARGET_CMOVE.
+       (TARGET_CMOVE): New define.
+       * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
+       Do not set TARGET_CMOVE here.
+
+2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
+
+       Backport from mainline:
+
+       2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
+
+       PR tree-optimization/52633
+       * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
+       vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
+       (vect_recog_over_widening_pattern): Remove handling of code that was
+       already detected as over-widening pattern.  Remove special handling
+       of "unsigned" cases.  Instead, support general case of conversion
+       of the shift result to another type.
+
+       2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
+
+       * tree-vect-patterns.c (vect_single_imm_use): New function.
+       (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
+       (vect_recog_over_widening_pattern): Likewise.
+       (vect_recog_widen_shift_pattern): Likewise.
+
+       2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
+
+       PR tree-optimization/52870
+       * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
+       presumed pattern statement is within the same loop or basic block.
+
+2012-05-04  Richard Guenther  <rguenther@suse.de>
+
+       * common.opt (flto-report): Do not mark as Optimization.
+
+2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR target/48496
+       * recog.c (constrain_operands): If extra constraints are present, also
+       accept pseudo-registers with equivalent memory locations during reload.
+
+2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+       Backport from the mainline
+       2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+       PR target/53199
+       * config/rs6000/rs6000.md (bswapdi splitters): If
+       -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
+       default) is used, generate an alternate sequence that does not
+       depend on using indexed addressing.
+
+2012-05-03  David S. Miller  <davem@davemloft.net>
+
+       PR target/52684
+       * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
+       MEM directly into a libcall, mark it's MEM_EXPR as addressable.
+       (sparc_emit_float_lib_cmp): Likewise.
+
+2012-05-04  Martin Jambor  <mjambor@suse.cz>
+
+       Backport from mainline
+       2012-05-02  Martin Jambor  <mjambor@suse.cz>
+
+       PR lto/52605
+       * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
+       of a variable when the contect is a function.
+
+2012-05-03  Jakub Jelinek  <jakub@redhat.com>
+
+       PR plugins/53126
+       * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
+       append program name to it and pass that as first argument
+       to make_relative_prefix.  Always pass standard_libexec_prefix
+       as last argument to make_relative_prefix.  If
+       make_relative_prefix returns NULL, fall back to
+       standard_libexec_prefix.
+
+       PR debug/53174
+       * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
+       removed.
+
+       PR target/53187
+       * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
+       mode, return that mode.
+
+2012-05-03  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/53144
+       * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
+       Rename to ...
+       (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
+       with SSA name values.
+       (vn_reference_lookup_3): Adjust callers.
+
+2012-05-02  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/53163
+       * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
+       return value from compute_all_dependences.
+
+       PR rtl-optimization/53160
+       * ree.c (combine_reaching_defs): Handle the case where cand->insn
+       has been modified by ree pass already.
+
+2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
+
+       Backport from mainline
+       2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR middle-end/53136
+       * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
+       calls to cgraph_node_name in xstrdup.
+       (ipa_make_edge_direct_to_target): Ditto.
+       * tree-sra.c (convert_callers_for_node): Ditto.
+       * lto-symtab.c (lto_cgraph_replace_node): Ditto.
+       * ipa-cp.c (perhaps_add_new_callers): Ditto.
+       * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
+       (cgraph_materialize_all_clones): Ditto.
+       * ipa-inline.c (report_inline_failed_reason): Ditto.
+       (want_early_inline_function_p): Ditto.
+       (edge_badness): Ditto.
+       (update_edge_key): Ditto.
+       (flatten_function): Ditto.
+       (ipa_inline): Ditto.
+       (inline_always_inline_functions): Ditto.
+       (early_inline_small_functions): Ditto.
+
+2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
+
+       Backport from mainline
+       2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
+
+       * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
+       Introduce emul_name to select the right linker emulation for
+       powerpc64-*-freebsd*.
+       * configure: Regenerate.
+       * config.gcc: Add bits to support powerpc64-*-freebsd*.
+       * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
+       * config/rs6000/freebsd64.h: New file.
+       * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
+       POWERPC_FREEBSD.
+       (rs6000_savres_strategy): Likewise.
+       (rs6000_savres_routine_name): Likewise.
+       (rs6000_elf_file_end): Likewise.
+       * config/rs6000/t-freebsd64: New file.
+       * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
+       rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
+
+2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
+
+       Backport from mainline
+       2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR target/53138
+       * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
+
+2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
+       predicate to discriminate types.
+
+2012-04-27  Richard Guenther  <rguenther@suse.de>
+
+       PR c/51527
+       * convert.c (convert_to_integer): Avoid infinite recursion for
+       target-defined built-in types.
+
+2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
+
+       PR target/53120
+       * config/cris/cris.md ("*andhi_lowpart_v32")
+       ("*andqi_lowpart_v32"): Change first input-only operand from
+       a (match_operand ...) to (match_dup 0).  Drop alternatives with
+       const_int-matching constraints for redundancy.
+       ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
+       three-operand alternative.
+
 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
 
        Backport from mainline