+2011-12-04 Jérémie Detrey <Jeremie.Detrey@loria.fr>
+
+ PR target/51393
+ * config/i386/avxintrin.h (_mm256_insert_epi64): Declare second
+ parameter as long long.
+
+2011-12-04 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/51351
+ * optabs.c (init_sync_libfuncs): Use "or" rather than "ior"
+ in the external names.
+
+2011-12-03 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Pass -no_pie for
+ non-PIC code when targeting 10.7 or later.
+
+2011-12-03 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
+ Darwin >= 10.
+ (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
+ (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
+
+2011-12-03 Jakub Jelinek <jakub@redhat.com>
+
+ * fold-const.c (fold_unary_loc): Fold VEC_UNPACK_LO_EXPR,
+ VEC_UNPACK_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
+ VEC_UNPACK_FLOAT_HI_EXPR with VECTOR_CST argument.
+ (fold_binary_loc): Fold VEC_PACK_TRUNC_EXPR,
+ VEC_PACK_FIX_TRUNC_EXPR, VEC_WIDEN_MULT_LO_EXPR
+ and VEC_WIDEN_MULT_HI_EXPR with VECTOR_CST arguments.
+
+ PR debug/50317
+ * tree-ssa.c (target_for_debug_bind): Also allow is_gimple_reg_type
+ vars that aren't referenced.
+ (tree-ssa-live.c (remove_unused_locals): Don't clear TREE_ADDRESSABLE
+ of unreferenced local vars.
+ * cfgexpand.c (expand_debug_expr): For DEBUG_IMPLICIT_PTR allow also
+ TREE_ADDRESSABLE vars that satisfy target_for_debug_bind.
+
+2011-12-03 Anatoly Sokolov <aesok@post.ru>
+
+ * config/arm/arm.h (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove.
+ * config/arm/arm-protos.h (aapcs_libcall_value): Remove.
+ * config/arm/arm.c (TARGET_FUNCTION_VALUE_REGNO_P): Define.
+ (arm_libcall_value_1, arm_function_value_regno_p): New function.
+ (arm_function_value, arm_libcall_value): Use arm_libcall_value_1.
+ (aapcs_libcall_value): Make static.
+ (arm_libcall_value): Add static qualifier.
+
+2011-12-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/51387
+ * config/i386/sse.md (mul<mode>3 with VI1_AVX2 iterator): For
+ V32QImode use { 0,2,..,14,32,34,..,46,16,18,..,30,48,50,..,62 }
+ permutation instead of extract even permutation.
+
+2011-12-02 Nathan Sidwell <nathan@acm.org>
+
+ * gcov.c (struct arc_info): Add is_throw field.
+ (struct (block_info): Add exceptional field, reduce flags size to
+ account for it.
+ (struct function_info): Add has_catch field.
+ (struct line_info): Add unexceptional field.
+ (process_file): Call find_exception_blocks if necessary.
+ (read_graph_file): Adjust. Note if an exceptional edge is seen.
+ (find_exception_blocks): New.
+ (add_line_counts): Set line's unexceptional flag if not
+ exceptional.
+ (output_branch_count): Note exceptional arcs, lines and blocks.
+ * gcov-dump.c (tag_arcs): Decode arc flags.
+ * doc/gcov.texi: Document '=====' lines.
+
+2011-12-02 Anatoly Sokolov <aesok@post.ru>
+
+ * config/ia64/ia64.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS,
+ PRINT_OPERAND_PUNCT_VALID_P): Remove macros.
+ * config/ia64/ia64-protos.h (ia64_print_operand,
+ ia64_print_operand_address): Remove.
+ * config/ia64/ia64.c (TARGET_PRINT_OPERAND,
+ TARGET_PRINT_OPERAND_ADDRESS, TARGET_PRINT_OPERAND_PUNCT_VALID_P):
+ Define.
+ (ia64_print_operand_punct_valid_p): New function.
+ (ia64_print_operand, ia64_print_operand_address): Make static.
+
+2011-12-02 Michael Meissner <meissner@the-meissners.org>
+
+ PR target/51390
+ * config/rs6000/rs6000.c (def_builtin): Use the correct field to
+ figure out the function's attributes.
+ (struct builtin_description): Mark mask field as const since we no
+ longer need to modify it for SPE and PAIRED builtins.
+
+2011-12-02 Joseph Myers <joseph@codesourcery.com>
+
+ Revert:
+
+ 2008-09-18 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR rtl-opt/37451
+ * loop-doloop.c (doloop_modify): New argument zero_extend_p and
+ zero extend count after the correction to it is done.
+ (doloop_optimize): Update call to doloop_modify, don't zero extend
+ count before call.
+
+ 2008-11-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR rtl-opt/37782
+ * loop-doloop.c (doloop_modify): Add from_mode argument that says what
+ mode count is in.
+ (doloop_optimize): Update call to doloop_modify.
+
+2011-12-02 Richard Guenther <rguenther@suse.de>
+
+ PR lto/47259
+ * ipa.c (varpool_externally_visible_p): Register variables
+ are always externally visible.
+
+2011-12-02 Sameera Deshpande <sameera.deshpande@arm.com>
+
+ * gimple-pretty-print.c (dump_gimple_call): Dereference fn only if
+ non-NULL.
+
+2011-12-02 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/50622
+ * tree-sra.c (load_assign_lhs_subreplacements): Force gimple operand
+ if both lacc and racc are grp_partial_lhs.
+
+2011-12-01 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/50814.
+ * config/sh/sh.c (expand_ashiftrt): Handle TARGET_SH2A same as
+ TARGET_SH3.
+ (shl_sext_kind): Likewise.
+ * config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Likewise.
+ * config/sh/sh.md (ashlsi3_sh2a, ashrsi3_sh2a, lshrsi3_sh2a): Remove.
+ (ashlsi3_std): Handle TARGET_SH2A same as TARGET_SH3.
+ (ashlsi3): Likewise.
+ (ashrsi3_d): Likewise.
+ (lshrsi3_d): Likewise.
+ (lshrsi3): Likewise.
+
+2011-12-01 Diego Novillo <dnovillo@google.com>
+
+ PR bootstrap/51346
+ * ipa-inline.c (can_inline_edge_p): If the edge E has a statement,
+ use the statement's inline indicator instead of E's.
+ Remove consistency check.
+
+2011-12-01 Diego Novillo <dnovillo@google.com>
+
+ PR bootstrap/51346
+ Revert
+
+ 2011-11-29 Diego Novillo <dnovillo@google.com>
+
+ * gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
+ Update field call_stmt_cannot_inline_p from call
+ graph edge, if needed.
+ * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
+
+2011-12-01 Nathan Sidwell <nathan@acm.org>
+
+ PR gcov-profile/51113
+ * coverage.c (build_var): Keep coverage variables static.
+
+2011-12-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51356
+ * tree-vect-patterns.c (vect_recog_bool_pattern): Give up if
+ vectype doesn't have VECTOR_MODE_P.
+
+ PR debug/50317
+ * tree-ssa-dce.c (remove_dead_stmt): Add a debug stmt when removing
+ as unnecessary a store to a variable with gimple reg type.
+ * tree-ssa-live.c (remove_unused_locals): Clear TREE_ADDRESSABLE bit
+ on local unreferenced variables.
+ * cfgexpand.c (expand_gimple_basic_block): Don't emit DEBUG_INSNs
+ for !target_for_debug_bind variables.
+
+2011-12-01 Patrick Marlier <patrick.marlier@gmail.com>
+
+ PR middle-end/51273
+ * cgraph.h (cgraph_call_node_duplication_hooks): Declare.
+ * cgraph.c (cgraph_call_node_duplication_hooks): Make global.
+ * cgraphunit.c (cgraph_copy_node_for_versioning): Call it.
+
+2011-12-01 Andrew Pinski <apinski@cavium.com>
+
+ PR lto/51198
+ * tree.c (free_lang_data_in_decl): Clear FIELD_DECL's
+ DECL_INITIAL also.
+
+2011-12-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51246
+ * tree-predcom.c (replace_ref_with): Handle also clobber on the rhs.
+
+ PR rtl-optimization/51014
+ * loop-unroll.c (apply_opt_in_copies): Ignore label DEBUG_INSNs
+ both from bb and orig_bb.
+
+2011-12-01 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ PR tree-optimization/50802
+ * tree-vrp.c (simplify_conversion_using_ranges): Rewrite test
+ considering what happens to ranges during sign changes and/or
+ intermediate narrowing conversions.
+
+2011-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/50283
+ * config/pa/pa.md (in_branch_delay): Disallow frame related insns.
+ (in_nullified_branch_delay): Likewise.
+ (in_call_delay): Likewise.
+
+2011-11-30 Richard Henderson <rth@redhat.com>
+
+ * predict.c (expr_expected_value_1): Assume compare-and-swap builtin
+ boolean return is true.
+
+2011-11-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/51044
+ * dse.c (emit_inc_dec_insn_before): Ensure new_insn is an instruction
+ rather than just insn body.
+
+ PR target/50725
+ * function.c (thread_prologue_and_epilogue_insns): If
+ stack_realign_drap, add drap_reg to SET_UP_BY_PROLOGUE
+ regset.
+
+ PR middle-end/51089
+ * tree-eh.c (cleanup_empty_eh_merge_phis): Add check to
+ avoid creating duplicate edges here.
+ (cleanup_empty_eh_unsplit): And remove it in the caller.
+
+2011-11-30 Andrew Pinski <apinski@cavium.com>
+
+ PR c/51321
+ * c-parser.c (c_parser_postfix_expression): Check groktypename results
+ before looking at the main variant.
+
+2011-11-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/48721
+ * sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
+ reg_pending_barrier to TRUE_BARRIER.
+
+ PR rtl-optimization/48721
+ * sched-ebb.c (begin_move_insn): Insert empty unreachable
+ block after BARRIER if insn is followed by it.
+
+2011-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sparc-opts.h (enum sparc_memory_model_type): New.
+ * config/sparc/sparc.opt (mmemory-model=): New option.
+ * doc/invoke.texi (Sparc Options): Document it.
+ * config/sparc/sparc.c (sparc_option_override): Provide default
+ for sparc_memory_model.
+ (sparc_emit_membar_for_model): Omit barrier combinations that are
+ implied by the memory model.
+
+2011-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sync.md (I124MODE): New mode iterator.
+ (memory_barrier): Remove.
+ (atomic_exchangesi): New.
+ (swapsi): Rename from *swapsi.
+ (atomic_test_and_set<I124MODE>): New.
+ (ldstubqi): Rename from *ldstubqi, merge with expander.
+ (ldstub<I24MODE>): Rename from *ldstub<I24MODE>, merge with expander.
+ (sync_lock_test_and_setsi): Remove.
+ (sync_lock_test_and_set<I12MODE>): Remove.
+
+2011-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/constraints.md ("w"): New.
+ * config/sparc/predicates.md (mem_noofs_operand): New.
+ * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Make static.
+ Generate the boolean result of the atomic_compare_exchange.
+ (sparc_expand_compare_and_swap): New.
+ * config/sparc/sync.md (atomic_compare_and_swap<I>): New.
+ (atomic_compare_and_swap<I48MODE>_1): Rename from
+ *sync_compare_and_swap<I48MODE>, use mem_noofs_operand.
+ (*atomic_compare_and_swapdi_v8plus): Rename from
+ *sync_compare_and_swapdi_v8plus, use mem_noofs_operand.
+ (sync_compare_and_swap<I12MODE>): Remove.
+ (sync_compare_and_swap<I48MODE>): Remove.
+
+2011-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/predicates.md (register_or_v9_zero_operand): New.
+ * config/sparc/sparc.md (UNSPEC_ATOMIC): New.
+ * config/sparc/sync.md (atomic_load<I>): New.
+ (atomic_loaddi_1, atomic_store<I>, atomic_storedi_1): New.
+
+2011-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/predicates.md (zero_or_v7_operand): New.
+ * config/sparc/sparc.c (sparc_emit_membar_for_model): New.
+ * config/sparc/sparc-protos.h: Update.
+ * config/sparc/sync.md (mem_thread_fence): New.
+ (memory_barrier): Use sparc_emit_membar_for_model.
+ (membar, *membar_empty, *membar_storestore, *membar_storeload): New.
+ (*membar_v8): Accept and ignore the membar mask.
+ (*membar): Accept and print the membar mask.
+
+2011-11-30 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/arm.c (arm_issue_rate): Cortex-A15 can triple issue.
+ * config/arm/arm.md (mul64): New attribute.
+ (generic_sched): Cortex-A15 is not scheduled generically.
+ (cortex-a15.md): Include.
+ * config/arm/cortex-a15.md: New machine description.
+ * config/arm/t-arm (MD_INCLUDES): Add cortex-a15.md.
+
+2011-11-30 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/t-arm (MD_INCLUDES): Ensure all md files are listed.
+
+2011-11-30 Iain Sandoe <iains@gcc.gnu.org>
+
+ * doc/tm.texi.in (NEXT_OBJC_RUNTIME): Update macro description.
+ * doc/tm.texi: Regenerate.
+ * flags.h (flag_next_runtime): Remove references.
+ * toplev.c: Likewise.
+ * defaults.h (NEXT_OBJC_RUNTIME): Provide default.
+ * gccspec.c (lang_specific_driver): Adjust use of NEXT_OBJC_RUNTIME.
+ * config/darwin.c (darwin_override_options): Provide default
+ Objective-C abi settings and target conflict checks.
+ * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Remove unused
+ code. Adjust indenting.
+
+2011-11-29 Joseph Myers <joseph@codesourcery.com>
+
+ * config/sh/sh.h (enum reg_class, REG_CLASS_NAMES)
+ (REG_CLASS_CONTENTS): Add NON_SP_REGS.
+ (REGCLASS_HAS_GENERAL_REG): Handle NON_SP_REGS.
+ * config/sh/constraints.md (u): New constraint.
+
+2011-11-29 Oleg Endo <oleg.endo@t-online.de>
+
+ PR target/51337
+ * config/sh/sh.c (sh_secondary_reload): Add case when FPUL
+ register is being loaded from a pseudo in memory.
+
+2011-11-29 DJ Delorie <dj@redhat.com>
+
+ * config.gcc (rl78-*-elf): New case.
+ * doc/extend.texi: Add RL78 documentation.
+ * doc/invoke.texi: Likewise.
+ * doc/md.texi: Likewise.
+ * doc/contrib.texi: Add RL78.
+ * doc/install.texi: Add rl78-*-elf.
+ * config/rl78: New directory for the Renesas RL78.
+
+2011-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51247
+ * tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
+ types instead of adding 1 subtract -1 and instead of subtracting 1
+ add -1 to avoid overflows.
+
+2011-11-29 Andrew MacLeod <amacleod@redhat.com>
+
+ PR target/50123
+ * optabs.c (maybe_optimize_fetch_op): New. Look for more optimal
+ instructions for a FECTH_OP or OP_FECTH sequence.
+ (expand_atomic_fetch_op): Call maybe_optimize_fetch_op.
+
+2011-11-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sync.md (UNSPEC_LDA, UNSPEC_STA): New unspecs.
+ (movdi_via_fpu): Remove.
+ (loaddi_via_fpu): New insn pattern.
+ (storedi_via_fpu): Ditto.
+ (atomic_loaddi_fpu): Use loaddi_via_fpu and storedi_via_fpu.
+ (atomic_storedi_fpu): Ditto.
+ * reg-stack.c (get_true_reg): Handle UNSPEC_LDA.
+ (subst_stack_regs_pat): Handle UNSPEC_STA.
+
+2011-11-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*floathi<mode>2_i387_with_temp): Do not
+ allocate scratch memory for alternative 0.
+
+2011-11-29 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000-builtins.def: Completely rewrite builtin
+ handling to centralize more of the builtins in this file. Change
+ some builtin enumerations to be more consistant. Use a new mask
+ to hold the current builtins, including SPE and PAIRED builtins
+ which no longer are set via target_flags masks. Add
+ -mdebug=builtin debug support. For power machines, define all
+ Altivec and VSX buitins when the compiler starts, but don't allow
+ the use of a builtin unless the appropriate switch is used, or
+ #pragma GCC target is used to change the options. If the user
+ uses #pragma GCC target, update the appropriate hardware macros.
+ * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Ditto.
+ * config/rs6000/rs6000.opt (rs6000_builtin_mask): Ditto.
+ * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Ditto.
+ (rs6000_define_or_undefine_macro): Ditto.
+ (rs6000_target_modify_macros): Ditto.
+ (rs6000_cpu_cpp_builtins): Ditto.
+ (altivec_overloaded_builtins): Ditto.
+ (altivec_build_resolved_builtin): Ditto.
+ * config/rs6000/rs6000.c (rs6000_target_modify_macros_ptr): Ditto.
+ (rs6000_builtin_info): Ditto.
+ (def_builtin): Ditto.
+ (enable_mask_for_builtins): Ditto.
+ (DEBUG_FMT_X): Ditto.
+ (rs6000_debug_reg_global): Ditto.
+ (rs6000_builtin_mask_calculate): Ditto.
+ (rs6000_option_override_internal): Ditto.
+ (rs6000_builtin_conversion): Ditto.
+ (rs6000_builtin_vectorized_function): Ditto.
+ (bdesc_3arg): Ditto.
+ (bdesc_dst): Ditto.
+ (bdesc_2arg): Ditto.
+ (builtin_description_predicates): Ditto.
+ (bdesc_altivec_preds): Ditto.
+ (bdesc_spe_predicates): Ditto.
+ (bdesc_spe_evsel): Ditto.
+ (bdesc_paired_preds): Ditto.
+ (bdesc_abs): Ditto.
+ (bdesc_1arg): Ditto.
+ (rs6000_overloaded_builtin_p): Ditto.
+ (rs6000_expand_unop_builtin): Ditto.
+ (bdesc_2arg_spe): Ditto.
+ (spe_expand_builtin): Ditto.
+ (rs6000_invalid_builtin): Ditto.
+ (rs6000_expand_builtin): Ditto.
+ (rs6000_init_builtins): Ditto.
+ (spe_init_builtins): Ditto.
+ (paired_init_builtins): Ditto.
+ (altivec_init_builtins): Ditto.
+ (builtin_function_type): Ditto.
+ (rs6000_common_init_builtins): Ditto.
+ (rs6000_builtin_reciprocal): Ditto.
+ (rs6000_builtin_mask_names): Ditto.
+ (rs6000_pragma_target_parse): Ditto.
+ (rs6000_function_specific_print): Ditto.
+ * config/rs6000/rs6000.h (MASK_DEBUG_BUILTIN): Ditto.
+ (MASK_DEBUG_ALL): Ditto.
+ (TARGET_DEBUG_BUILTIN): Ditto.
+ (TARGET_EXTRA_BUILTINS): Ditto.
+ (REGISTER_TARGET_PRAGMAS): Ditto.
+ (enum rs6000_btc): Ditto.
+ (RS6000_BTC_*): Ditto.
+ (RS6000_BTM_*): Ditto.
+ (enum rs6000_builtins): Ditto.
+ * config/rs6000/rs6000-protos.h (rs6000_overloaded_builtin_p): Ditto.
+ (rs6000_target_modify_macros): Ditto.
+ (rs6000_target_modify_macros_ptr): Ditto.
+
+ * config/rs6000/vector.md (unsfloat<VEC_int><mode>2): Use the
+ standard name for converting vector unsigned values to floating
+ point. Delete the TARGET_VECTORIZE_BUILTIN_CONVERSION hook, which
+ is handled by machine independent code.
+ * config/rs6000/rs6000.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Ditto.
+ (rs6000_builtin_conversion): Ditto.
+
+2011-11-29 Dodji Seketeli <dodji@redhat.com>
+
+ * tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.
+ (maybe_unwind_expanded_macro_loc): Adjust.
+
+2011-11-29 David Edelsohn <dje.gcc@gmail.com>
+ Aldy Hernandez <aldyh@redhat.com>
+
+ * trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl
+ if DECL_ONE_ONLY.
+ (ipa_tm_create_version): Same.
+
+2011-11-29 Bernd Schmidt <bernds@codesourcery.com>
+
+ * haifa-sched.c (recompute_todo_spec): Simplify and correct the
+ code checking for a clobber of a condition register when deciding
+ whether to predicate.
+
+2011-11-29 Diego Novillo <dnovillo@google.com>
+
+ * gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
+ Update field call_stmt_cannot_inline_p from call graph edge, if needed.
+ * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
+
+2011-11-29 Sameera Deshpande <sameera.deshpande@arm.com>
+
+ * config/arm/arm.md (arm_movdi): Update NEG_POOL_RANGE.
+ (movdf_soft_insn): Likewise.
+ * config/arm/fpa.md (thumb2_movdf_fpa): Likewise.
+ * config/arm/neon.md (neon_mov<mode>): Likewise.
+ * config/arm/vfp.md (movdi_vfp): Likewise.
+ (movdi_vfp_cortexa8): Likewise.
+ (movdf_vfp): Likewise.
+
+2011-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/50074
+ * expr.c (expand_expr_addr_expr_1): Don't call force_operand for
+ EXPAND_SUM modifier.
+
+2011-11-29 Ira Rosen <ira.rosen@linaro.org>
+
+ PR tree-optimization/51301
+ * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check that
+ the last statement doesn't convert to a bigger type than the original
+ type of the computation.
+
+2011-11-28 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
+ Handle overlap between retval and oldval. Always compute boolval
+ from CR0 EQ value.
+
+2011-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/50317
+ * tree-ssa.c (execute_update_addresses_taken): Remove
+ var ={v} {CLOBBER} stmts instead of rewriting them into
+ var_N ={v} {CLOBBER}.
+
+ PR middle-end/50907
+ * function.c (convert_jumps_to_returns): When redirecting an edge
+ succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.
+
+ PR tree-optimization/50078
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
+ TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.
+
+ PR tree-optimization/50682
+ * tree-eh.c (maybe_remove_unreachable_handlers): New function.
+ * tree-flow.h (maybe_remove_unreachable_handlers): New prototype.
+ * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it.
+
+2011-11-28 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/extend.texi (AVR Built-in Functions): Add documentation for
+ __builtin_avr_map8 and __builtin_avr_map16.
+
+ * config/avr/avr.md: Document new %t and %T asm output codes.
+ (define_c_enum "unspec"): Add UNSPEC_MAP_BITS.
+ (adjust_len): Add map_bits.
+ (map_bitsqi, map_bitshi): New insns.
+ * config/avr/avr-protos.h (avr_out_map_bits): New.
+ * config/avr/avr-protos.c (print_operand): Implement %t and %T.
+ (adjust_insn_length): Handle ADJUST_LEN_MAP_BITS.
+ (avr_double_int_push_digit): New function.
+ (avr_map, avr_revert_map, avr_swap_map, avr_id_map): New functions.
+ (avr_sig_map, avr_map_hamming_byte): New functions.
+ (avr_out_swap_bits, avr_out_revert_bits, avr_move_bits,
+ avr_out_map_bits): New functions.
+ (enum avr_builtin_id): Add AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+ (avr_init_builtins): Populate __builtin_avr_map8, __builtin_avr_map16.
+ (bdesc_2arg): Add __builtin_avr_map8, __builtin_avr_map16 ...
+ (avr_expand_builtin): ...and expand them.
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
+ __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
+
+2011-11-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR target/51278
+ * config/mips/mips.c (mips_rtx_costs): Handle baddu.
+
+2011-11-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips16_unextended_reference_p): Test for BLKmode.
+
+2011-11-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips-protos.h (mips_emit_binary): Declare.
+ * config/mips/mips.c (mips_emit_binary): Make global.
+ (mips_set_mips16_mode): Turn off -mfix-r4000 in MIPS16 mode.
+ (mips_conditional_register_usage): Don't treat LO and HI as
+ register operands in MIPS16 mode.
+ (mips_mulsidi3_gen_fn): Use {u,}mulsidi3_{32,64}bit_mips16
+ for MIPS16 code.
+ * config/mips/predicates.md (muldiv_target_operand): New predicate.
+ (move_operand): Allow hilo_operand.
+ * config/mips/mips.md (mul<mode>3): Explicitly specify LO as the
+ target of MIPS16 multiplies, then move it into the target register.
+ (mul<mode>3_internal, *macc2, *msac2): Use muldiv_target_operand.
+ (<u>mulsidi3_32bit_mips16): New expander.
+ (<u>mulsidi3_32bit): Use muldiv_target_operand.
+ (<u>mulsidi3_32bit_r4000): Disable for ISA_HAS_DSP.
+ (<u>mulsidi3_64bit): Require !TARGET_MIPS16. Split into
+ <u>mulsidi3_64bit_split.
+ (<u>mulsidi3_64bit_mips16): New expander.
+ (<u>mulsidi3_64bit_split): Likewise, using expansions from
+ two previous define_splits.
+ (<u>mulsidi3_64bit_hilo, *muls<u>_di, <u>msubsidi4): Use
+ muldiv_target_operand.
+ (<su>mulsi3_highpart): Use <su>mulsi3_highpart_split for MIPS16 code.
+ (<su>mulsi3_highpart_internal): Require !TARGET_MIPS16.
+ Split into <su>mulsi3_highpart_split.
+ (<su>mulsi3_highpart_split): New expander.
+ (<su>muldi3_highpart): Turn into a define_expand.
+ Use <su>muldi3_highpart_split for MIPS16 code.
+ (<su>muldi3_highpart_internal): Renamed from <su>muldi3_highpart.
+ Require !TARGET_MIPS16. Split into <su>muldi3_highpart_split.
+ (<su>muldi3_highpart_split): New expander.
+ (<u>mulditi3): Explicitly specify LO as the target of MIPS16
+ multiplies, then move it into the target register.
+ (<u>mulditi3_internal, <u>maddsidi4): Use muldiv_target_operand.
+ (divmod<mode>4, udivmod<mode>4): Turn into define_expands.
+ Use <u>divmod<mode>4_split for MIPS16 code, then explicitly
+ move LO into operand 0.
+ (divmod<mode>4_internal, udivmod<mode>4_internal): Renamed
+ from <u>divmod<mode>4. Use muldiv_target_operand.
+ Require !TARGET_MIPS16. Split into <u>divmod<mode>4_split.
+ (<u>divmod<mode>4_split): New expander.
+ (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): Use muldiv_target_operand.
+ (mfhi<GPR:mode>_<HILO:mode>): Use hilo_operand.
+
+2011-11-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set
+ and x_operand_reg_set.
+ (accessible_reg_set, operand_reg_set): New macros.
+ * reginfo.c (init_reg_sets): Initialize accessible_reg_set and
+ operand_reg_set.
+ (saved_accessible_reg_set, saved_operand_reg_set): New variables.
+ (save_register_info): Save them.
+ (restore_register_info): Restore them.
+ (init_reg_sets_1): Limit operand_reg_set to accessible_reg_set.
+ Remove NO_REGS registers from operand_reg_set. Treat members
+ of operand_reg_set as fixed.
+ * recog.c (general_operand): Check operand_reg_set rather than NO_REGS.
+ (register_operand, nonmemory_operand): Likewise.
+ * varasm.c (make_decl_rtl): Always use DECL_MODE as the mode of
+ register variables. Check accessible_reg_set and operand_reg_set.
+ * config/mips/mips.c (mips_conditional_register_usage): Remove
+ inaccessible register from accessible_reg_set, rather than just
+ making them fixed.
+
+2011-11-27 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * config/pa/pa-linux.h (TARGET_GAS): Remove comment.
+
+2011-11-26 Richard Henderson <rth@redhat.com>
+
+ * config/arm/arm.c (arm_init_libfuncs): Call init_sync_libfuncs
+ for Linux.
+
+2011-11-26 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (expand_atomic_fetch_op): Always return result.
+
+ * optabs.c (init_sync_libfuncs_1): Include max in iteration.
+
+ * omp-low.c (expand_omp_atomic): Assume anything aligned to
+ BIGGEST_ALIGNMENT is aligned.
+
+2011-11-26 Richard Henderson <rth@redhat.com>
+
+ * config/m68k/m68k.md (UNSPECV_CAS_1, UNSPECV_CAS_2): New.
+ (UNSPECV_TAS_1, UNSPECV_TAS_2): New.
+ (I): New mode iterator.
+ (xz): New mode attribute.
+ * config/m68k/sync.md: New file.
+
+ * config/m68k/linux.h (TARGET_INIT_LIBFUNCS): New.
+ * config/m68k/m68k.c (m68k_init_sync_libfuncs): New.
+
+2011-11-26 Nathan Sidwell <nathan@acm.org>
+
+ PR gcov-profile/51297
+ * gcov.c (main): Allocate initial names and sources arrays.
+ (find_source): Don't check for null name or source arrays here.
+
+2011-11-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/49912
+ * cfgrtl.c (rtl_verify_flow_info_1): Ignore also EDGE_PRESERVE bit
+ when counting n_branch.
+
+2011-11-26 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sync.md (movdi_via_fpu): Add %Z insn suffixes.
+
+2011-11-26 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ PR middle-end/50074
+ * calls.c (mem_overlaps_already_clobbered_arg_p):
+ Return false if no outgoing arguments have been stored so far.
+
+2011-11-25 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (print_operand): Support code = 'i' for CONST_INT.
+
+2011-11-24 Andrew MacLeod <amacleod@redhat.com>
+
+ PR other/51011
+ * tree.h (is_builtin_name): No longer external.
+ * builtins.c (is_builtin_name): Make static.
+ * varasm.c (incorporeal_function_p): __sync and __atomic external calls
+ are not incorporeal and may need asm label processing.
+
+2011-11-25 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/50566
+ * config/avr/avr-protos.h (avr_log_t): Add field .builtin.
+ * config/avr/avr-log.c (avr_log_set_avr_log): Initialize it.
+ Don't bypass TARGET_ALL_DEBUG. Print self-info with ?.
+ (avr_log_vadump): Support %D and %X to print double_int.
+ (avr_double_int_pop_digit): New static function.
+ (avr_dump_double_int_hex): New static function.
+
+2011-11-24 Enkovich Ilya <ilya.enkovich@intel.com>
+
+ PR target/51287
+ * config/i386/i386.c (distance_non_agu_define_in_bb): Fix insn
+ attr check.
+
+2011-11-24 Andrew MacLeod <amacleod@redhat.com>
+
+ * optab.c (maybe_emit_atomic_exchange): New. Try to emit an
+ atomic_exchange pattern.
+ (maybe_emit_sync_lock_test_and_set): New. Try to emit an exchange
+ using __sync_lock_test_and_set.
+ (maybe_emit_compare_and_swap_exchange_loop): New. Try to emit an
+ exchange using a compare_and_swap loop.
+ (expand_sync_lock_test_and_set): New. Expand sync_lock_test_and_set.
+ (expand_atomic_test_and_set): New. Expand test_and_set operation.
+ (expand_atomic_exchange): Use new maybe_emit_* functions.
+ (expand_atomic_store): Use new maybe_emit_* functions.
+ * builtins.c (expand_builtin_sync_lock_test_and_set): Call
+ expand_sync_lock_test_and_set routine.
+ (expand_builtin_atomic_exchange): Remove parameter from call.
+ (expand_builtin_atomic_clear): Use atomic_clear pattern if present.
+ (expand_builtin_atomic_test_and_set): Add target and simply call
+ expand_atomic_test_and_set.
+ (expand_builtin): Add target to expand_builtin_atomic_test_and_set.
+ * expr.h (expand_atomic_exchange): Add parameter.
+ (expand_sync_lock_test_and_set): New prototype.
+ (expand_atomic_test_and_set, expand_atomic_clear): New prototypes.
+
+2011-11-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/51134
+ * config/i386/i386.h (processor_costs): Revert revision 181357.
+ * config/i386/i386.c (cost models): Likewise.
+ (core_cost): Likewise.
+ (promote_duplicated_reg): Likewise.
+ (promote_duplicated_reg_to_size): Likewise.
+ (processor_target): Likewise.
+ (expand_set_or_movmem_via_loop_with_iter): Likewise.
+ (expand_set_or_movmem_via_loop): Likewise.
+ (emit_strset): Likewise.
+ (expand_movmem_epilogue): Likewise.
+ (expand_setmem_epilogue): Likewise.
+ (expand_movmem_prologue): Likewise.
+ (expand_setmem_prologue): Likewise.
+ (expand_constant_movmem_prologue): Likewise.
+ (expand_constant_setmem_prologue): Likewise.
+ (decide_alg): Likewise.
+ (decide_alignment): Likewise.
+ (ix86_expand_movmem): Likewise.
+ (ix86_expand_setmem): Likewise.
+ (ix86_slow_unaligned_access): Likewise.
+ * config/i386/i386.md (strset): Likewise.
+ * config/i386/sse.md (vec_dupv4si): Likewise.
+ (vec_dupv2di): Likewise.
+
+2011-11-24 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (*rotlhi2.15): Set length to 4.
+
+2011-11-24 Razya Ladelsky <razya@il.ibm.com>
+
+ * tree-data-ref.c (initialize_data_dependence_relation): Update
+ comment for the self dependence case.
+ (compute_self_dependence): Remove.
+ * tree-vect-data-refs.c (vect_analyze_data_refs): Remove call to
+ compute_self_dependenc.
+
+2011-11-24 Alan Modra <amodra@gmail.com>
+
+ * c-decl.c (warn_if_shadowing): Don't warn if shadowed
+ identifier is from system header.
+
+2011-11-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/51261
+ * config/i386/i386.c (decide_alg): Initialize *dynamic_check
+ even if !optimize.
+
+2011-11-23 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/48455
+ * doc/invoke.texi (-fira-region): Document default values.
+
+ * flags-types.h (enum ira_region): Add new value
+ IRA_REGION_AUTODETECT.
+
+ * common.opt (fira-region): Set up initial value to
+ IRA_REGION_AUTODETECT.
+
+ * toplev.c (process_options): Set up flag_ira_region depending on
+ -O options.
+
+ * ira.c (ira.c): Remove optimize guard for ira_build.
+
+2011-11-23 Chung-Lin Tang <cltang@codesourcery.com>
+
+ PR rtl-optimization/50496
+ * jump.c (redirect_jump): Assert fail on nlabel == NULL_RTX
+ only after epilogue is created. Add comments.
+
+2011-11-22 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (ia64_expand_atomic_op): Add model parameter.
+ Generate the barrier required for the memory model.
+ (rtx_needs_barrier): Handle UNSPEC_FETCHADD_REL, UNSPEC_CMPXCHG_REL.
+ * config/ia64/ia64-protos.h: Update.
+ * config/ia64/ia64.md (UNSPEC_FETCHADD_REL): New.
+ (UNSPEC_CMPXCHG_REL): New.
+ * config/ia64/sync.md (mem_thread_fence): New.
+ (atomic_load<IMODE>, atomic_store<IMODE>): New.
+ (atomic_compare_and_swap<IMODE>): New.
+ (cmpxchg_acq_<I124MODE>, cmpxchg_acq_di): New.
+ (atomic_exchange<IMODE>): New.
+ (xchg_acq_<IMODE>): Rename from sync_lock_test_and_set<IMODE>.
+ (atomic_<FETCHOP><IMODE>, atomic_nand<IMODE>): New.
+ (atomic_fetch_<FETCHOP><IMODE>, atomic_fetch_nand<IMODE>): New.
+ (atomic_<FETCHOP>_fetch<IMODE>, atomic_nand_fetch<IMODE>): New.
+ (fetchadd_rel_<I48MODE>): New.
+ (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): Remove.
+ (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): Remove.
+ (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): Remove.
+ (sync_compare_and_swap<IMODE>): Remove.
+ (sync_lock_release<IMODE>): Remove.
+
+ * config/ia64/ia64.md: Use define_c_enum for UNSPEC_*
+ and UNSPECV_* constants.
+
+2011-11-22 Tom de Vries <tom@codesourcery.com>
+
+ PR rtl-optimization/50764
+ * sched-deps.c (sched_analyze_insn): Make sure frame-related insns are
+ not moved past preceding jump.
+
+2011-11-22 Jeff Law <law@redhat.com>
+
+ * doc/contrib.texi: Add entry for David Binderman.
+
+2011-11-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * postreload.c (reload_combine): Mark reg_state as invalid at
+ volatile insns if there has been a use already.
+
+2011-11-21 Aldy Hernandez <aldyh@redhat.com>
+
+ * opts.c (finish_options): Do not fail for -fgnu-tm.
+ * gimple-streamer-out.c (output_gimple_stmt): Handle
+ GIMPLE_TRANSACTION.
+ * gimple-streamer-in.c (input_gimple_stmt): Same.
+ * lto-cgraph.c (input_overwrite_node): Read tm_clone bit.
+ (lto_output_node): Write tm_clone bit.
+
2011-11-22 Ian Lance Taylor <iant@google.com>
* doc/install.texi (Configuration): Correct doc of
PR c++/51264
* tree.c (iterative_hash_expr): Remove break after return.
-
+
2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
* target.def (tm_clone_table_section): New hook.
2011-11-17 Richard Henderson <rth@redhat.com>
+ * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
+ new pseudo for target after convert_modes.
+ (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.
+
+2011-11-17 Richard Henderson <rth@redhat.com>
+
* builtins.c (expand_builtin_mem_thread_fence): Remove.
(expand_builtin_mem_signal_fence): Remove.
(expand_builtin_atomic_thread_fence): Use expand_mem_thread_fence.
(duplicate_insns_of_cycles): Use register indices directly,
rather than finding instructions using PREV_INSN. Use ps_reg_move.
(sms_schedule): Call schedule_reg_moves before committing to
- a partial schedule. Try the next ii if the schedule fails.
+ a partial schedule. Try the next ii if the schedule fails.
Use apply_reg_moves instead of generate_reg_moves. Adjust
call to print_node_sched_params. Free node_sched_param_vec
instead of node_sched_params.
(remove_duplicate_close_phi): Detect and repair creation of
duplicate close-phis for a containing loop.
-2011-09-27
Andi Kleen <ak@linux.intel.com>
+2011-09-27
Andi Kleen <ak@linux.intel.com>
* gcc.c (get_local_tick). Rename to get_random_number. Read from
/dev/urandom. Add getpid call.
(compare_debug_dump_opt_spec_function): Drop getpid call.
-2011-09-26
Andi Kleen <ak@linux.intel.com>
+2011-09-26
Andi Kleen <ak@linux.intel.com>
* toplev.c (init_local_tick): Try reading random seed
from /dev/urandom.
-2011-09-26
Andi Kleen <ak@linux.intel.com>
+2011-09-26
Andi Kleen <ak@linux.intel.com>
* hwint.h (HOST_WIDE_INT_PRINT_HEX_PURE): Add.
* lto-streamer.c (lto_get_section_name): Remove crc32_string.
HImode by 1 in the case of multiplying with a CONST_INT.
Record cost of *ashiftqihi2.signx.1 in case ASHIFT:QI.
-2011-09-15 Jan Hubicka <jh@suse.cz>
+2011-09-15 Jan Hubicka <jh@suse.cz>
PR lto/50430
* gimple-fold.c (gimple_get_virt_method_for_binfo): Do not ICE on
error_mark_node in the DECL_INITIAL of vtable.
-2011-09-15 Diego Novillo <dnovillo@google.com>
+2011-09-15 Diego Novillo <dnovillo@google.com>
* Makefile.in (SYSROOT_CFLAGS_FOR_TARGET): Define from
@SYSROOT_CFLAGS_FOR_TARGET@.
separately.
* tree-ssa-uninit.c (warn_uninitialized_phi): Adjust.
-2011-08-11 Kazuhiro Inaoka <kazuhiro.inaoka.ud@renesas.com>
+2011-08-11 Kazuhiro Inaoka <kazuhiro.inaoka.ud@renesas.com>
* config/rx/rx.md (movsicc): Allow register to register transfers.
(*movsicc): Likewise.
(*stcc_reg): New pattern. Works for any comparison but only for
register transfers.
-2011-08-11 Diego Novillo <dnovillo@google.com>
+2011-08-11 Diego Novillo <dnovillo@google.com>
* tree-streamer-out.c (lto_output_ts_decl_with_vis_tree_pointers):
Call stream_write_tree instead of output_record_start.
* tree-sra.c (access_precludes_ipa_sra_p): Also check access
memory alignment.
-2011-08-08 Diego Novillo <dnovillo@google.com>
+2011-08-08 Diego Novillo <dnovillo@google.com>
* Makefile.in (LTO_STREAMER_H): Add DIAGNOSTIC_H.
(DATA_STREAMER_H): New.
(TARGET_INSTANTIATE_DECLS): New define.
2011-08-06 Paolo Bonzini <bonzini@gnu.org>
- Mikael Morin <mikael.morin@sfr.fr>
+ Mikael Morin <mikael.morin@sfr.fr>
* Makefile.in (INCLUDES_FOR_TARGET): New.
(LIBGCC2_CFLAGS): Use it.
* config/arm/arm.c (arm_set_fixed_optab_libfunc): Constify
maybe_suffix.
-2011-08-03 David Li <davidxl@google.com>
+2011-08-03 David Li <davidxl@google.com>
* tree-optimize.c (execute_fixup_cfg): Fix up entry
outgoing edge counts after inlining.
-2011-08-03 David Li <davidxl@google.com>
+2011-08-03 David Li <davidxl@google.com>
* profile.c (compute_branch_probabilities): Compute
function frequency after profile annotation.
* config/arm/neon.md (vec_pack_trunc): Set the lengths
correctly for the case with Quad vectors.
-2011-06-13 Jakub Jelinek <jakub@redhat.com>
- Ira Rosen <ira.rosen@linaro.org>
+2011-06-13 Jakub Jelinek <jakub@redhat.com>
+ Ira Rosen <ira.rosen@linaro.org>
PR tree-optimization/49352
* tree-vect-loop.c (vect_is_slp_reduction): Don't count debug uses at
* calls.c (emit_call_1): Prefer the __builtin declaration of
builtin functions.
-2011-06-03 Diego Novillo <dnovillo@google.com>
+2011-06-03 Diego Novillo <dnovillo@google.com>
* lto-streamer-in.c (unpack_value_fields): Remove unneeded asserts.
(lto_input_tree_pointers): Likewise.
* config/m68k/m68k.c (m68k_expand_prologue): Set
current_function_static_stack_size.
-2011-05-02 Jan Hubicka <jh@suse.cz>
+2011-05-02 Jan Hubicka <jh@suse.cz>
* lto-streamer.c (lto_streamer_cache_insert_1,
lto_streamer_cache_lookup, lto_streamer_cache_create,
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