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arm: Set predicable on more instructions.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index ac6ef22..bd34b89 100644 (file)
@@ -1,3 +1,630 @@
+2011-12-14  Richard Henderson  <rth@redhat.com>
+
+       * config/arm/arm.md (*addsi3_compare0_scratch): Set predicable.
+       (*compare_negsi_si, *compare_addsi2_op0): Likewise.
+       (*compare_addsi2_op1, *zeroextractsi_compare0_scratch): Likewise.
+       (*compareqi_eq0, *arm_cmpsi_insn, *arm_cmpsi_negshiftsi_si): Likewise.
+
+2011-12-14  Richard Guenther  <rguenther@suse.de>
+
+       * tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for
+       propagating all kinds of constants.
+
+2011-12-14  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/51497
+       * lto-streamer-in.c (lto_read_body): Fixup local types
+       TYPE_CANONICAL and variant chain.
+
+2011-12-14  Richard Guenther  <rguenther@suse.de>
+
+       * tree.c (free_lang_data_in_type): Do not clear fields
+       dependent on debuginfo level setting.
+       (find_decls_types_r): Use TYPE_STUB_DECL rathern than TREE_CHAIN.
+       * tree.h (TYPE_STUB_DECL): Properly check that we access
+       a type.
+
+2011-12-14  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR target/50931
+       * config/avr/avr.md (mulpsi3): New expander.
+       (*umulqihipsi3, *umulhiqipsi3): New insns.
+       (*mulsqipsi3.libgcc, *mulpsi3.libgcc): New insns.
+       (mulsqipsi3, *mulpsi3): New insn-and-splits.
+       (ashlpsi3): Turn to expander.  Move insn code to...
+       (*ashlpsi3): ...this new insn.
+
+2011-12-14  Richard Guenther  <rguenther@suse.de>
+
+       * tree-cfg.c (replace_uses_by): Only mark blocks altered
+       that will make a difference.  Only recompute ADDR_EXPR
+       invariantness if it could possibly have changed.  Do so
+       before folding the statement.
+
+2011-12-13  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * lto-streamer-out.c (write_symbol): Use proper 64-bit host type.
+       * lto-cgraph.c (input_cgraph_opt_section): Use 'int' for offsets.
+       * lto-streamer-in.c (lto_read_body): Likewise.
+       (lto_input_toplevel_asms): Likewise.
+       * lto-section-in.c (lto_create_simple_input_block): Likewise.
+       * ipa-inline-analysis.c (inline_read_section): Likewise.
+       * ipa-prop.c (ipa_prop_read_section): Likewise.
+
+       * df.h (DF_NOTE): Fix typo in comment.
+
+2011-12-13  Aldy Hernandez  <aldyh@redhat.com>
+
+       * trans-mem.c (ipa_tm_create_version_alias): Set DECL_CONTEXT and
+       DECL_LANG_SPECIFIC.
+
+2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+       * regmove.c (fixup_match_2): Only access call_used_regs with hard
+       regs.
+
+2011-12-13  Andrew Pinski  <apinski@cavium.com>
+            Adam Nemet  <anemet@caviumnetworks.com>
+
+       * config/mips/mips-cpus.def: Add Octeon2.
+       * config/mips/mips-tables.opt: Regenerate.
+       * config/mips/mips.md (define_attr "cpu"): Add Octeon2.
+       * config/mips/driver-native.c (host_detect_local_cpu): Support Octeon2.
+       * config/mips/octeon.md (octeon_arith): Add Octeon2.
+       (octeon_condmove): Likewise.
+       (octeon_load): Rename to ..
+       (octeon_load_o1): this.
+       (octeon_load_o2): New reserve.
+       (octeon_cop_o2): New reserve.
+       (octeon_store):  Match Octeon2 also.
+       (octeon_brj): Rename to ..
+       (octeon_brj_o1): this.
+       (octeon_brj_o2): New reserve.
+       (octeon_imul3): Rename to ...
+       (octeon_imul3_o1): this.
+       (octeon_imul3_o2): New reserve.
+       (octeon_imul): Rename to ...
+       (octeon_imul_o1): this.
+       (octeon_imul_o2): New reserve.
+       (octeon_mfhilo): Rename to ...
+       (octeon_mfhilo_o1): This.
+       (octeon_mfhilo_o2): New reserve.
+       (octeon_imadd): Rename to ...
+       (octeon_imadd_o1): this.
+       (octeon_imadd_o2): New reserve.
+       (octeon_idiv): Rename to ..
+       (octeon_idiv_o1): This.
+       (octeon_idiv_o2_si): New reserve.
+       (octeon_idiv_o2_di): Likewise.
+       (octeon_unknown): Match Octeon2 also.
+       * config/mips/mips.c (mips_rtx_cost_data): Add Octeon2 cost data.
+       (mips_issue_rate): Octeon2 can issue 2 at a time.
+       * config/mips/mips.h (TARGET_OCTEON): Match Octeon2 also.
+       (TARGET_OCTEON2): New define.
+       (TUNE_OCTEON): Match Octeon2 also.
+
+2011-12-13  Richard Henderson  <rth@redhat.com>
+
+       * config/sparc/tso.h: New file.
+       * config.gcc (sparc-*-linux*, sparc*-*-solaris2*): Use it.
+       * config/sparc/sparc.c (sparc_option_override): Honor
+       SUBTARGET_DEFAULT_MEMORY_MODEL.
+       * config/sparc/sparc.h (SUBTARGET_DEFAULT_MEMORY_MODEL): New.
+
+2011-12-13  Aldy Hernandez  <aldyh@redhat.com>
+
+       PR middle-end/51443
+       * trans-mem.c (struct diagnose_tm): Remove saw_unsafe.
+       (diagnose_tm_1): Same.
+       (ipa_tm_execute): Do not test tm_may_enter_irr before we set it.
+       (ipa_tm_scan_irr_function): Return gracefully when no
+       DECL_STRUCT_FUNCTION.
+       (ipa_tm_scan_irr_block): Believe the user on TM attributes.
+
+2011-12-13  Martin Jambor  <mjambor@suse.cz>
+
+       PR middle-end/50628
+       * tree-sra.c (propagate_subaccesses_across_link): Do not propagate
+       sub-accesses of scalar accesses.
+
+2011-12-13  Martin Jambor  <mjambor@suse.cz>
+
+       PR tree-optimization/51362
+       * ipa-cp.c (estimate_local_effects): When estimated size of a
+       specialized clone is zero, bump it to one.
+
+2011-12-13  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/48354
+       * tree.c (find_decls_types_r): Also walk DECL_ORIGINAL_TYPE.
+       * tree-streamer-in.c (lto_input_ts_decl_non_common_tree_pointers):
+       Stream DECL_ORIGINAL_TYPE.
+       * tree-streamer-out.c (write_ts_decl_non_common_tree_pointers):
+       Likewise.
+
+2011-12-13  Jakub Jelinek  <jakub@redhat.com>
+
+       Revert
+       2011-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/51481
+       * gimple-fold.c (gimple_fold_call): Call
+       maybe_clean_or_replace_eh_stmt.  Avoid optimization if stmt has EH
+       edges, but gimple_fold_builtin result can't throw.
+
+2011-12-13  Jakub Jelinek  <jakub@redhat.com>
+           Michael Matz  <matz@suse.de>
+
+       PR tree-optimization/51117
+       * tree-eh.c (sink_clobbers): New function.
+       (execute_lower_eh_dispatch): Call it for BBs ending with
+       internally throwing RESX.
+       * cfgexpand.c (add_scope_conflicts_1): Add all conflicts only
+       at the first real instruction.
+
+2011-12-13  Tristan Gingold  <gingold@adacore.com>
+
+       * final.c (final_scan_insn): Guard the call to begin_epilogue
+       debug hook.
+
+2011-12-13  Tristan Gingold  <gingold@adacore.com>
+
+       * vmsdbgout.c (vmsdbgout_write_source_line): New function.
+       (vmsdbgout_end_prologue): Call vmsdbgout_write_source_line.
+       (vmsdbgout_begin_epilogue): Likewise.
+       (vmsdbgout_end_epilogue): Likewise.
+       (vmsdbgout_source_line): Move code to vmsdbgout_write_source_line.
+
+2011-12-13  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/51481
+       * tree-cfg.c (replace_uses_by): Pass proper arguments to
+       maybe_clean_or_replace_eh_stmt.
+
+2011-12-13  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51519
+       * ipa-inline.c (edge_badness): Use edge growth in non-guessed
+       branch probability case as well.
+
+2011-12-13  Revital Eres  <revital.eres@linaro.org>
+
+       * modulo-sched.c (mark_loop_unsched): Free bbs.
+
+2011-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/51495
+       * function.c (thread_prologue_and_epilogue_insns): Don't add
+       to bb_tail basic blocks that have EDGE_COMPLEX predecessor edges
+       from basic blocks not needing prologue.
+
+       PR tree-optimization/51481
+       * gimple-fold.c (gimple_fold_call): Call
+       maybe_clean_or_replace_eh_stmt.  Avoid optimization if stmt has EH
+       edges, but gimple_fold_builtin result can't throw.
+
+2011-12-12  Vladimir Makarov  <vmakarov@redhat.com>
+
+       PR rtl-optimization/21617
+       * ira-color.c (bucket_allocno_compare_func): Don't compare
+       allocno classes.  Compare number of hard registers needed.
+
+2011-12-12  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR tree-optimization/50569
+       * tree-sra.c (build_ref_for_model): Replicate a chain of COMPONENT_REFs
+       in the expression of MODEL instead of just the last one.
+
+2011-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR middle-end/51510
+       * calls.c (internal_arg_pointer_based_exp_scan): Don't use
+       VEC_safe_grow_cleared if idx is smaller than VEC_length.
+
+2011-12-12  Richard Sandiford  <richard.sandiford@linaro.org>
+
+       PR middle-end/50873
+       * optabs.c (maybe_legitimize_operand_same_code): Use copy_to_mode_reg
+       instead of force_reg.  Do nothing if the address is already a
+       non-virtual pseudo register.
+
+2011-12-12  Torvald Riegel  <triegel@redhat.com>
+
+       * gimplify.c (voidify_wrapper_expr): Add default handling for
+       outermost wrapper.
+
+2011-12-12  Torvald Riegel  <triegel@redhat.com>
+
+       * tree-ssa-tail-merge.c (gimple_equal_p): Don't treat transaction
+       commits as equal.
+
+2011-12-12  Iain Sandoe  <iains@gcc.gnu.org>
+
+       * config/darwin-sections.def (zobj_const_data_section): Fix over-
+       length section name.
+
+2011-12-11  Richard Henderson  <rth@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_expand_interleave): Use
+       BYTES_BIG_ENDIAN, not TARGET_BIG_ENDIAN.
+
+2011-12-11  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/51485
+       * tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
+       DRs in call stmts.
+
+2011-12-11  Patrick Marlier  <patrick.marlier@gmail.com>
+
+       * trans-mem.c (ipa_tm_transform_calls_redirect): Do not remove
+       edge.
+
+2011-12-10  Richard Henderson  <rth@redhat.com>
+
+       * config/rs6000/altivec.md (altivec_vmrghb): Rewrite pattern as
+       vec_select + vec_concat.
+       (altivec_vmrghh, altivec_vmrghw, altivec_vmrghsf, altivec_vmrglb,
+       altivec_vmrglh, altivec_vmrglw, altivec_vmrglsf): Likewise.
+       (vec_perm_constv16qi): New.
+       (vec_extract_evenv4si, vec_extract_evenv4sf, vpkuhum_nomode,
+       vpkuwum_nomode, vec_extract_oddv8hi, vec_extract_oddv16qi,
+       vec_interleave_high<VI>, vec_interleave_low<VI>): Remove.
+       * config/rs6000/paired.md (paired_merge00): Rewrite pattern as
+       vec_select + vec_concat.
+       (paired_merge10, paired_merge01, paired_merge11): Likewise.
+       (vec_perm_constv2sf): New.
+       (vec_interleave_highv2sf, vec_interleave_lowv2sf,
+       vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
+       * config/rs6000/spe.md (spe_evmergehi): Rewrite pattern as
+       vec_select + vec_concat.
+       (spe_evmergehilo, spe_evmergelo, spe_evmergelohi): New.
+       (vec_perm_constv2si): New.
+       * config/rs6000/vector.md (vec_interleave_highv4sf,
+       vec_interleave_lowv4sf, vec_interleave_high<VEC_64>,
+       vec_interleave_low<VEC_64>): Remove.
+       * config/rs6000/vsx.md (VS_double): New mode attribute.
+       (UNSPEC_VSX_XXPERMDI): Remove.
+       (vsx_xxpermdi_<VSX_L>_1): Rewrite pattern as vec_select + vec_concat.
+       (vsx_xxmrghw_<VSX_W>, vsx_xxmrglw_<VSX_W>): Likewise.
+       (vsx_xxpermdi_<VSX_L>): Change to expander.
+       (vec_perm_const<VSX_D>): New.
+       (vsx_mergel_<VSX_D>, vsx_mergeh_<VSX_D>): New.
+       * config/rs6000/predicates.md (const_0_to_1_operand): New.
+       (const_2_to_3_operand): New.
+       * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
+       (altivec_expand_vec_perm_const): New.
+       (rs6000_expand_vec_perm_const_1, rs6000_expand_vec_perm_const): New.
+       (rs6000_vectorize_vec_perm_const_ok): New.
+       (rs6000_do_expand_vec_perm): New.
+       (rs6000_expand_extract_even, rs6000_expand_interleave): New.
+       * config/rs6000/rs6000-builtin.def (VEC_MERGE*): Update rtx codes.
+       * config/rs6000/rs6000-modes.def: Add double-wide vector modes.
+       * config/rs6000/rs6000-protos.h: Update.
+
+2011-12-10  Richard Henderson  <rth@redhat.com>
+
+       * expr.c (expand_expr_real_2) [VEC_PERM_EXPR]: Avoid passing a
+       CONST_INT to expand_vec_perm as the selector.
+       * optabs.c (expand_vec_perm): Assert the selector is of a proper mode.
+
+2011-12-10  Richard Henderson  <rth@redhat.com>
+
+       * genmodes.c (struct mode_data): Remove wider_2x member.
+       (blank_mode): Adjust initializer.
+       (calc_wider_mode): Use XALLOCAVEC.
+       (emit_move_wider): Select double-width same-element vectors for
+       2xwider vectors.
+       * machmode.h (GET_MODE_2XWIDER_MODE): Update documentation.
+       * config/i386/i386.c (doublesize_vector_mode): Remove.
+       (expand_vselect_vconcat): Use GET_MODE_2XWIDER_MODE instead.
+
+2011-12-10  Joern Rennecke  <joern.rennecke@embecosm.com>
+
+       * config/epiphany/epiphany.h (USE_LOAD_POST_INCREMENT): Define.
+       (USE_LOAD_POST_DECREMENT, USE_STORE_POST_INCREMENT): Likewise.
+       (USE_STORE_POST_DECREMENT): Likewise.
+
+       * config/epiphany/epiphany.h (EPIPHANY_RETURN_REGNO): New macro,
+       broken out of ..
+       (INCOMING_RETURN_ADDR_RTX) .. this.  Use EPIPHANY_RETURN_REGNO.
+       (DWARF_FRAME_RETURN_COLUMN): New macro.
+
+       * config/epiphany/epiphany-protos.h (epiphany_start_function): Declare.
+       * config/epiphany/epiphany.c (epiphany_handle_interrupt_attribute):
+       Split "timer" value into "timer0" and "timer1".
+       Handle page_miss, message and wand.  Don't handle static_flag.
+       Adjust warning text.
+       (epiphany_start_function): New function.
+       (epiphany_compute_function_type): Split "timer" value into "timer0"
+       and "timer1".  Handle page_miss, message and wand.
+       Don't handle static_flag.
+       (epiphany_expand_epilogue): Don't use frame_insn for status / iret
+       restore.
+       * config/epiphany/epiphany.h: ASM_DECLARE_FUNCTION_NAME: Define.
+       (enum epiphany_function_type):
+       Split EPIPHANY_FUNCTION_TIMER value into EPIPHANY_FUNCTION_TIMER0
+       and EPIPHANY_FUNCTION_TIMER1.
+       Remove EPIPHANY_FUNCTION_ILINK1 and EPIPHANY_FUNCTION_ILINK2 values.
+       Add EPIPHANY_FUNCTION_PAGE_MISS and EPIPHANY_FUNCTION_MESSAGE values.
+       Rename EPIPHANY_FUNCTION_STATIC_FLAG to EPIPHANY_FUNCTION_WAND.
+
+2011-12-10  Nathan Sidwell  <nathan@acm.org>
+
+       PR gcov-profile/51449
+       * coverage.c (coverage_end_function): Always process the coverage
+       variables.
+
+2011-12-09  Aldy Hernandez  <aldyh@redhat.com>
+
+       PR/51291
+       * tree.c (build_common_builtin_nodes): Do not use TM_PURE
+       attribute unless language has support for TM.
+       * config/i386/i386.c (ix86_init_tm_builtins): Exit gracefully in
+       the absence of TM builtins.
+
+2011-12-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gimple-fold.c (gimple_fold_stmt_to_constant_1) <GIMPLE_UNARY_RHS>:
+       Also check the TYPE_MODE to recognize useless pointer conversions.
+
+2011-12-09  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/51117
+       * tree-eh.c (optimize_clobbers): Don't remove just one
+       clobber, but all consecutive clobbers before RESX.
+       Use gimple_clobber_p predicate.
+
+2011-12-09  Michael Meissner  <meissner@the-meissners.org>
+
+       * config/rs6000/rs6000.c (altivec_expand_builtin): Call
+       expand_call to return a valid funciton instead of return
+       cosnt0_rtx/NULL_RTX if there was an error with the builtin.
+       (altivec_expand_ld_builtin): Ditto.
+       (rs6000_inner_target_options): If VSX is selected as a target
+       attribute or pragma, enable ALTIVEC also.
+       (rs6000_pragma_target_parse): Call rs6000_option_override_internal
+       to do all of the standard processing when switching options,
+       including redefining appropriate macros.
+
+       PR rtl-optimization/51469
+       * varasm.c (default_binds_local_p_1): If the symbol is a gnu
+       indirect function, mark the symbol as non-local.
+
+2011-12-09  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR bootstrap/51479
+       * Makefile.in (errors.o): Restored.
+
+2011-12-09  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/48042
+       * tree.c (free_lang_data_in_decl): Remove freeing conditional
+       on debuginfo level.
+
+2011-12-09  Joern Rennecke  <joern.rennecke@embecosm.com>
+
+       PR middle-end/40154
+       * emit-rtl.c (set_dst_reg_note): New function.
+       * rtl.h (set_dst_reg_note): Declare.
+       * optabs.c (expand_binop, expand_absneg_bit): Use set_dst_reg_note.
+       (emit_libcall_block, expand_fix): Likewise.
+       * function.c (assign_parm_setup_reg, expand_function_start): Likewise.
+       * expmed.c (expand_mult_const, expand_divmod): Likewise.
+       * reload1.c (gen_reload): Likewise.
+
+       * dse.c (get_stored_val, get_call_args): Use gen_int_mode.
+       * expmed.c (expand_divmod): Likewise.
+       * combine.c (simplify_if_then_else): Likewise.
+
+2011-12-09  Kai Tietz  <ktietz@redhat.com>
+
+       * ira-color.c (print_hard_regs_subforest): Use
+       HOST_WIDEST_INT_PRINT_DEC instead of %lld.
+       (allocno_hard_regs): Change type of cost member
+       to HOST_WIDEST_INT.
+       (add_allocno_hard_regs): Change type of argument cost
+       to HOST_WIDEST_INT.
+       * ira-conflict.c (build_conflict_bit_table): Replace use
+       of long-long by HOST_WIDEST_INT.
+
+2011-12-09  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR target/51425
+       * config/avr/avr.md (config/avr/avr.md, *sbix_branch_tmp): Use
+       zero_extract:QIHI instead of zero_extract:HI.
+
+2011-12-09  Jakub Jelinek  <jakub@redhat.com>
+           Andrew Pinski  <apinski@cavium.com>
+
+       PR tree-optimization/51117
+       * tree-eh.c (optimize_clobbers): New function.
+       (execute_lower_eh_dispatch): Call it.
+
+2011-12-09  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51482
+       * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
+       Make sure to only create REAL_TYPE and INTEGER_TYPE component
+       vectors.
+
+2011-12-09  Kai Tietz  <ktietz@redhat.com>
+
+       * implicit-zee.c (num_realized): Change type to long.
+       (num_ze_opportunities): Likewise.
+
+2011-12-08  Andrew Pinski  <apinski@cavium.com>
+
+       * config/mips/mips-cpus.def (octeon+): New CPU.
+       * config/mips/mips-tables.opt: Regenerate.
+       * config/mips/mips.h (MIPS_CPP_SET_PROCESSOR): Emit '+' as 'P'.
+
+2011-12-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+       PR middle-end/39976
+       * tree-ssa-dom.c (enum expr_kind): Add EXPR_PHI.
+       (struct hashable_expr): Add struct phi field.
+       (initialize_hash_element): Handle phis; change to use XCNEWVEC.
+       (hashable_expr_equal_p): Handle phis.
+       (iterative_hash_hashable_expr): Likewise.
+       (print_expr_hash_elt): Likewise.
+       (free_expr_hash_elt): Likewise.
+       (dom_opt_enter_block): Create equivalences from redundant phis.
+       (eliminate_redundant_computations): Handle redundant phis.
+       (lookup_avail_expr): Handle phis.
+
+2011-12-08  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/51466
+       * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also copy
+       TREE_SIDE_EFFECTS.
+
+2011-12-08  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-operands.c (add_stmt_operand): Do not mark stmts
+       volatile when processing operands of an ADDR_EXPR.
+       (get_indirect_ref_operands): Likewise.
+       (get_tmr_operands): Likewise.
+       (get_expr_operands): Likewise.
+
+2011-12-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+       PR target/50395
+       * config/s390/s390.c (s390_mainpool_finish): Emit the jump over
+       the literal pool as jump insn.
+
+2011-12-08  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/49772
+       * tree-inline.c (optimize_inline_calls): Remove bail out
+       on errors.
+
+2011-12-08  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/50747
+       * lto-streamer-out.c (produce_symtab): Remove asserts.
+
+2011-12-08  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/49945
+       * lto-streamer-out.c (tree_is_indexable): Localize variably
+       modified types and their FIELD_DECLs.
+
+2011-12-08  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR tree-optimization/51315
+       * tree.h (get_object_or_type_alignment): Declare.
+       * expr.c (get_object_or_type_alignment): Move to...
+       * builtins.c (get_object_or_type_alignment): ...here.  Add assertion.
+       * tree-sra.c (tree_non_mode_aligned_mem_p): Rename to...
+       (tree_non_aligned_mem_p): ...this.  Add ALIGN parameter.  Look into
+       MEM_REFs and use get_object_or_type_alignment for them.
+       (build_accesses_from_assign): Adjust for above change.
+       (access_precludes_ipa_sra_p): Likewise.
+
+2011-12-08  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/48437
+       * lto-streamer-out.c (tree_is_indexable): Exclude block-local
+       extern declarations.
+
+2011-12-07  Andrew Pinski  <apinski@cavium.com>
+
+       PR middle-end/45416
+       * expr.c (do_store_flag): Rewrite code that looks for BIT_AND_EXPR for
+       SSA-expand.
+
+2011-12-07  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/50823
+       * ipa-inline.c (edge_badness): Do not account for the number of
+       remaining calls.
+
+2011-12-07  Martin Jambor  <mjambor@suse.cz>
+
+       PR tree-optimization/50744
+       * ipa-cp.c (good_cloning_opportunity_p): Assert size_cost is positive,
+       compute evaluation in HOST_WIDEST_INT.
+       (safe_add): New function
+       (propagate_effects): Use safe_add to accumulate effects.
+
+2011-12-06  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+       * config/rs6000/rtems.h: Switch to using global_options_set
+       in SUBSUBTARGET_OVERRIDE_OPTIONS.
+
+2011-12-06  David S. Miller  <davem@davemloft.net>
+
+       * config/sparc/visintrin.h: Add appropriate __VIS__ cpp protection.
+
+2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/avr.c (avr_file_start): Fix missing ,
+
+2011-12-06  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/51354
+       * config/i386/i386.c (ix86_emit_leave): Call ix86_add_cfa_restore_note
+       unconditionally.
+
+2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
+
+       Forward-port from gcc-4_6-branch r181936 2011-12-02.
+       * config/avr/avr-mcus.def (avr_mcu_types): ATtiny4313 and
+       AT86RF401 have a 16-bit SP (their manual is bogus).
+
+2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
+
+       Forward-port from gcc-4_6-branch r181936 2011-12-02.
+
+       PR target/51002
+       * config/avr/avr.md (movhi_sp_r): Set insn condition to
+       !AVR_HAVE_8BIT_SP.
+       * config/avr/avr.c (output_movhi): Use "clr%B0" instead of "in
+       %B0,__SP_H__" if AVR_HAVE_8BIT_SP.
+       (avr_file_start): Only print "__SP_H__ = 0x3e" if !AVR_HAVE_8BIT_SP.
+
+2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR target/51409
+       PR target/49868
+       * config/avr/avr.h (ADDR_SPACE_PGM, ADDR_SPACE_PGM1,
+       ADDR_SPACE_PGM2, ADDR_SPACE_PGM3, ADDR_SPACE_PGM4,
+       ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): Write as enum.
+       (avr_addrspace_t): New typedef.
+       (avr_addrspace): New declaration.
+       * config/avr/avr-c.c (avr_toupper): New static function.
+       (avr_register_target_pragmas, avr_cpu_cpp_builtins): Use
+       avr_addrspace to get address space information.
+       * config/avr/avr.c (avr_addrspace): New variable.
+       (avr_out_lpm, avr_pgm_check_var_decl, avr_insert_attributes,
+       avr_asm_named_section, avr_section_type_flags,
+       avr_asm_select_section, avr_addr_space_address_mode, 
+       avr_addr_space_convert, avr_emit_movmemhi): Use it.
+       (avr_addr_space_pointer_mode): Forward to avr_addr_space_address_mode.
+       (avr_pgm_segment): Remove.
+
+2011-12-06  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/50601
+       * varasm.c (assemble_alias): Move DECL_EXTERNAL implementation
+       quirk adjustjment ...
+       * passes.c (rest_of_decl_compilation): ... here.
+
+2011-12-06  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/51436
+       * gimple-fold.c (gimplify_and_update_call_from_tree): Guard
+       vdef check for the fact we do not have virtual operands when
+       not optimizing.
+
+2011-12-06  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51245
+       * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
+       New function.
+       (vn_reference_lookup_3): Use it.  Properly valueize all refs
+       we create.
+
 2011-12-06  Iain Sandoe  <iains@gcc.gnu.org>
 
        * config/rs6000/rs6000.c (darwin_rs6000_override_options): Initialize