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* varasm.c (default_elf_asm_output_limited_string): #ifdef
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 4c7bdd5..389d760 100644 (file)
@@ -1,8 +1,786 @@
+2011-11-11  Jason Merrill  <jason@redhat.com>
+
+       * varasm.c (default_elf_asm_output_limited_string): #ifdef
+       ELF_ASCII_ESCAPES.
+       (default_elf_asm_output_ascii): Likewise.
+
+2011-11-11  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/50762
+       * config/i386/constraints.md (j): New address constraint.
+       * config/i386/predicates.md (lea_address_operand): Redefine as
+       special predicate.
+       * config/i386/i386.md (*lea_3_zext): Use "j" constraint for operand 1.
+       (*lea_4_zext): Ditto.
+
+2011-11-11  David S. Miller  <davem@davemloft.net>
+
+       Revert
+       2011-11-05  David S. Miller  <davem@davemloft.net>
+
+2011-11-11  Jakub Jelinek  <jakub@redhat.com>
+
+       * opts-common.c (generate_canonical_option): Free opt_text
+       it it has been allocated here and not stored anywhere.
+
+       * tree-vect-slp.c (vect_free_slp_tree): Also free SLP_TREE_CHILDREN
+       vector.
+       (vect_create_new_slp_node): Don't allocate node before checking stmt
+       type.
+       (vect_free_oprnd_info): Remove FREE_DEF_STMTS argument, always
+       free def_stmts vectors and additionally free oprnd_info.
+       (vect_build_slp_tree): Adjust callers.  Call it even if
+       stop_recursion.  If vect_create_new_slp_node or
+       vect_build_slp_tree fails, properly handle freeing memory.
+       If it succeeded, clear def_stmts in oprnd_info.
+
+2011-08-12  Dimitrios Apostolou  <jimis@gmx.net>
+
+       * final.c, output.h (fprint_whex, fprint_w, fprint_ul, sprint_ul):
+       New functions serving as fast replacements for fprintf() integer
+       to string conversions. They were used in the following changes.
+       * final.c (sprint_ul_rev): Internal helper for the above.
+       (output_addr_const): case CONST_INT: don't use fprintf().
+       * elfos.h (ASM_GENERATE_INTERNAL_LABEL): Don't use sprintf("%u"),
+       use sprint_ul() and stpcpy() which are much faster.
+       (TARGET_ASM_INTERNAL_LABEL): Define as default_elf_internal_label.
+       (ELF_ASCII_ESCAPES, ELF_STRING_LIMIT): Are the old ESCAPES and
+       STRING_LIMIT macros.
+       (ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII): Macros now just
+       call respective functions that provide the same
+       functionality. Those are default_elf_asm_output_limited_string()
+       and default_elf_asm_output_ascii() in varasm.c.
+       * varasm.c: Fixed some whitespace inconsistencies.
+       (default_elf_asm_output_limited_string)
+       (default_elf_asm_output_ascii): The above macros from elfos.h are
+       implemented here as these functions, avoiding superfluous calls to
+       fprintf().
+       (default_elf_internal_label): Hook for
+       targetm.asm_out.internal_label and ASM_OUTPUT_DEBUG_LABEL.
+       * i386.c: Don't call fprintf("%u") but fprint_ul() instead.
+       * defaults.h (ASM_OUTPUT_LABEL, ASM_OUTPUT_INTERNAL_LABEL):
+       Expanded the macros on multiple lines for readability.
+       (ASM_OUTPUT_LABELREF): Have two calls to fputs() instead of one to
+       asm_fprintf().
+       * dwarf2asm.c (dw2_assemble_integer, dw2_asm_output_data)
+       (dw2_asm_data_uleb128, dw2_asm_delta_uleb128)
+       (dw2_asm_delta_sleb128): Convert fprintf() calls to the new
+       faster functions.
+       * dwarf2out.c (dwarf2out_source_line): Convert fprintf() calls to
+       the new faster functions.
+
+2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
+
+       * doc/extend.texi: Document __atomic_test_and_set and __atomic_clear.
+
+2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
+
+       PR middle-end/51038
+       * builtins.c (expand_builtin_atomic_clear): New.  Expand atomic_clear.
+       (expand_builtin_atomic_test_and_set): New.  Expand atomic test_and_set.
+       (expand_builtin): Add cases for test_and_set and clear.
+       * sync-builtins.def (BUILT_IN_ATOMIC_TEST_AND_SET): New.
+       (BUILT_IN_ATOMIC_CLEAR): New.
+
+2011-11-10  Roberto Agostino Vitillo  <ravitillo@lbl.gov>
+
+       PR debug/50983
+       * dwarf2out.c (set_cur_line_info_table): Restore the last is_stmt
+       value in the current line table.
+
+2011-11-10  Nathan Sidwell  <nathan@acm.org>
+
+       * gcov.c (struct function_info): Make src an index, not a pointer.
+       (struct source_info): Remove index and next source fields.
+       (fn_end): New static var.
+       (sources_index): Remove.
+       (sources): Now a pointer to an array, not a list.
+       (n_sources, a_sources): New.
+       (process_file): Adjust for changes to read_graph_file. Insert
+       functions into source lists and check line numbers here.
+       (generate_results): Only allocate lines for sources with
+       contents.  Adjust for source array.
+       (release_structures): Likewise.
+       (find_source): Return source index, adjust for source array.
+       (read_graph_file): Return function list.  Don't insert into source
+       lists here.
+       (read_count_file): Take list of functions.
+       (solve_flow_graph): Reverse the arc lists here.
+       (add_line_counts): Adjust for source array.
+
+2011-11-10  Jakub Jelinek  <jakub@redhat.com>
+
+       PR middle-end/51077
+       * tree-object-size.c (addr_object_size): Check TREE_CODE of
+       MEM_REF's operand rather than code of the MEM_REF itself.
+
+2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
+
+       PR rtl-optimization/51040
+       * optabs.c (expand_atomic_fetch_op): Patchup code for NAND should
+       be AND followed by NOT.
+       * builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND
+       should be AND followed by NOT.
+
+2011-11-10  Jakub Jelinek  <jakub@redhat.com>
+
+       * vec.h (VEC_BASE): If base is at offset 0 in the structure,
+       use &(P)->base even if P is NULL.
+
+       PR rtl-optimization/51023
+       * combine.c (simplify_comparison) <case SIGN_EXTEND>: Don't use
+       val_signbit_known_clear_p for signed comparison narrowing
+       optimization.  Don't check for non-VOIDmode, use
+       HWI_COMPUTABLE_MODE_P macro.
+       <case ZERO_EXTEND>: Don't check for non-VOIDmode.
+       Optimize even when const_op is equal to GET_MODE_MASK (mode),
+       don't optimize if const_op is negative.
+
+2011-11-10  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51042
+       * tree-ssa-pre.c (phi_translate_1): Avoid recursing on
+       self-referential expressions.  Refactor code to avoid duplication.
+
+2011-11-10  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51070
+       * tree-loop-distribution.c (generate_builtin): Do not replace
+       the loop with a builtin if the partition contains statements which
+       results are used outside of the loop.
+       (pass_loop_distribution): Verify and collect.
+
+2011-11-10  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51030
+       * tree-ssa-phiopt.c (jump_function_from_stmt): New function.
+       (value_replacement): Use it to handle trivial non-empty
+       intermediate blocks.
+
+2011-11-10  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/51071
+       * gimple.c (gimple_has_side_effects): Remove checking code
+       that doesn't belong here.
+
+2011-11-10  Ira Rosen  <ira.rosen@linaro.org>
+
+       PR tree-optimization/51058
+       * tree-vect-slp.c (vect_get_constant_vectors): Handle CALL_EXPR.
+
+2011-11-10  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/51000
+       * tree-vect-patterns.c (vect_recog_bool_pattern): If adding
+       a pattern stmt for a bool store, adjust DR_STMT too.
+       Don't handle bool conversions to single bit precision lhs.
+       * tree-vect-stmts.c (vect_remove_stores): If next is a pattern
+       stmt, remove its related stmt and free its stmt_vinfo.
+       (free_stmt_vec_info): Free also pattern stmt's vinfo and
+       pattern def stmt's vinfo.
+       * tree-vect-loop.c (destroy_loop_vec_info): Don't try to
+       free pattern stmt's vinfo here.
+       (vect_transform_loop): When calling vect_remove_stores,
+       do gsi_next first and don't call gsi_remove.  If not strided
+       store, free stmt vinfo for gsi_stmt (si) rather than stmt.
+
+2011-11-09  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/50911
+       * config/i386/i386.c (expand_vec_perm_interleave2): If d->vmode is
+       V4SImode, !TARGET_SSE2 and punpck[lh]* is needed, change dremap.vmode
+       to V4SFmode.
+
+       * function.h (requires_stack_frame_p): New prototype.
+       * function.c (requires_stack_frame_p): No longer static.
+       * config/i386/i386.c (ix86_finalize_stack_realign_flags): If
+       stack_realign_fp was just a conservative guess for a function
+       which doesn't use sp/fp/argp at all, clear frame_pointer_needed
+       and stack realignment.
+
+2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       PR preprocessor/51061
+       * incpath.c (merge_include_chains): Make sure to not pass null
+       pointers to free_path.
+
+2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       * doc/invoke.texi ([Option Summary, C++ Language Options]):
+       Add -Wzero-as-null-pointer-constant.
+
+2011-11-07  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
+
+       * config/arm/arm-cores.def: Add -mcpu=cortex-a7.
+       * config/arm/arm-tables.opt: Regenerate.
+       * config/arm/arm-tune.md: Likewise.
+       * config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex A-7.
+       * doc/invoke.texi: Document -mcpu=cortex-a7.
+
+2011-11-09  Richard Guenther  <rguenther@suse.de>
+
+       Revert
+       2011-11-09  Richard Guenther  <rguenther@suse.de>
+
+       * tree-cfg.c (verify_gimple_call): Verify that
+       gimple_call_cannot_inline_p is returning a conservative
+       correct result according to gimple_check_call_matching_types.
+
+2011-11-09  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51039
+       * tree-cfg.c (verify_gimple_call): Verify that
+       gimple_call_cannot_inline_p is returning a conservative
+       correct result according to gimple_check_call_matching_types.
+       * ipa-inline-analysis.c (estimate_function_body_sizes): Remove
+       code dealing with un-inlinablility.
+       * gimple-streamer-in.c (input_gimple_stmt): Update the
+       non-inlinable flag.
+
+2011-11-09  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51039
+       * tree-inline.c (setup_one_parameter): Always perform a
+       valid gimple type change.
+       (declare_return_variable): Likewise.
+
+2011-11-09  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/rs6000/vector.md (vcondv4sfv4si, vcondv4siv4sf,
+       vconduv4sfv4si): New patterns.
+       * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Handle
+       different dest_mode from comparison mode.
+
+2011-11-09  Richard Guenther  <rguenther@suse.de>
+
+       * gimple-fold.c (canonicalize_constructor_val): Mark
+       address-taken variables addressable.
+
+2011-11-09  Ira Rosen  <ira.rosen@linaro.org>
+
+       PR tree-optimization/51015
+       * tree-vect-loop.c (vect_determine_vectorization_factor): Expect
+       vectype to be set for pattern def stmts.
+
+2011-11-09  Alan Modra  <amodra@gmail.com>
+
+       * function.c (bb_active_p): Delete.
+       (dup_block_and_redirect, active_insn_between): New functions.
+       (convert_jumps_to_returns, emit_return_for_exit): New functions,
+       split out from..
+       (thread_prologue_and_epilogue_insns): ..here.  Delete
+       shadowing variables.  Don't do prologue register clobber tests
+       when shrink wrapping already failed.  Delete all last_bb_active
+       code.  Instead compute tail block candidates for duplicating
+       exit path.  Remove these from antic set.  Duplicate tails when
+       reached from both blocks needing a prologue/epilogue and
+       blocks not needing such.
+       * ifcvt.c (dead_or_predicable): Test both flag_shrink_wrap and
+       HAVE_simple_return.
+       * bb-reorder.c (get_uncond_jump_length): Make global.
+       * bb-reorder.h (get_uncond_jump_length): Declare.
+       * cfgrtl.c (rtl_create_basic_block): Comment typo fix.
+       (rtl_split_edge): Likewise.  Warning fix.
+       (rtl_duplicate_bb): New function.
+       (rtl_cfg_hooks): Enable can_duplicate_block_p and duplicate_block.
+       * Makefile.in (function.o): Update dependencies.
+
+2011-11-08  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+           Georg-Johann Lay  <avr@gjlay.de>
+
+       * doc/tm.texi.in (MODE_CODE_BASE_REG_CLASS): Add address space
+       argument.
+       (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
+       * doc/tm.texi: Regenerate.
+
+       * config/cris/cris.h (MODE_CODE_BASE_REG_CLASS): Add address
+       space argument.
+       (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
+       * config/bfin/bfin.h (MODE_CODE_BASE_REG_CLASS): Likewise.
+       (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
+       * config/avr/avr.h (MODE_CODE_BASE_REG_CLASS): Add address space
+       argument.
+       (REGNO_MODE_CODE_OK_FOR_BASE_P): Ditto.
+       * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
+       (avr_regno_mode_code_ok_for_base_p): Ditto.
+       * config/avr/avr.c (avr_mode_code_base_reg_class): Ditto.
+       (avr_regno_mode_code_ok_for_base_p): Ditto.
+       (avr_reg_ok_for_addr_p): Pass AS down to
+       avr_regno_mode_code_ok_for_base_p.
+
+       * addresses.h (base_reg_class): Add address space argument.
+       Pass to MODE_CODE_BASE_REG_CLASS.
+       (ok_for_base_p_1): Add address space argument.  Pass to
+       REGNO_MODE_CODE_OK_FOR_BASE_P.
+       (regno_ok_for_base_p): Add address space argument.  Pass to
+       ok_for_base_p_1.
+
+       * regrename.c (scan_rtx_address): Add address space argument.
+       Pass address space to regno_ok_for_base_p and base_reg_class.
+       Update recursive calls.
+       (scan_rtx): Pass address space to scan_rtx_address.
+       (build_def_use): Likewise.
+       * regcprop.c (replace_oldest_value_addr): Add address space
+       argument.  Pass to regno_ok_for_base_p and base_reg_class.
+       Update recursive calls.
+       (replace_oldest_value_mem): Pass address space to
+       replace_oldest_value_addr.
+       (copyprop_hardreg_forward_1): Likewise.
+
+       * reload.c (find_reloads_address_1): Add address space argument.
+       Pass address space to base_reg_class and regno_ok_for_base_p.
+       Update recursive calls.
+       (find_reloads_address): Pass address space to base_reg_class,
+       regno_ok_for_base_p, and find_reloads_address_1.
+       (find_reloads): Pass address space to base_reg_class.
+       (find_reloads_subreg_address): Likewise.
+
+       * ira-costs.c (record_reg_classes): Update calls to base_reg_class.
+       (ok_for_base_p_nonstrict): Add address space argument.  Pass to
+       ok_for_base_p_1.
+       (record_address_regs): Add address space argument.  Pass to
+       base_reg_class and ok_for_base_p_nonstrict.  Update recursive calls.
+       (record_operand_costs): Pass address space to record_address_regs.
+       (scan_one_insn): Likewise.
+
+       * caller-save.c (init_caller_save): Update call to base_reg_class.
+       * ira-conflicts.c (ira_build_conflicts): Likewise.
+       * reload1.c (maybe_fix_stack_asms): Likewise.
+
+2011-11-08  Michael Matz  <matz@suse.de>
+
+       * gengtype.c (write_field_root): Avoid out-of-scope access of newv.
+
+       * tree-stdarg.c (execute_optimize_stdarg): Accept clobbers.
+
+       * tree.h (TREE_CLOBBER_P): New macro.
+       * gimple.h (gimple_clobber_p): New inline function.
+       * gimplify.c (gimplify_bind_expr): Add clobbers for all variables
+       that go out of scope and live in memory.
+       * tree-ssa-operands.c (get_expr_operands): Transfer volatility also
+       for constructors.
+       * cfgexpand.c (decl_to_stack_part): New static variable.
+       (add_stack_var): Allocate it, and remember mapping.
+       (fini_vars_expansion): Deallocate it.
+       (stack_var_conflict_p): Add early outs.
+       (visit_op, visit_conflict, add_scope_conflicts_1,
+       add_scope_conflicts): New static functions.
+       (expand_used_vars_for_block): Don't call add_stack_var_conflict, tidy.
+       (expand_used_vars): Add scope conflicts.
+       (expand_gimple_stmt_1): Expand clobbers to nothing.
+       (expand_debug_expr): Ditto.
+
+       * tree-pretty-print.c (dump_generic_node): Dump clobbers nicely.
+       * tree-ssa-live.c (remove_unused_locals): Remove clobbers that
+       refer to otherwise unused locals.
+       * tree-sra.c (build_accesses_from_assign): Ignore clobbers.
+       * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Clobbers of
+       SSA names aren't necessary.
+       (propagate_necessity): Accept and ignore constructors on the rhs, tidy.
+       * gimple.c (walk_gimple_op): Accept constructors like mem_rhs.
+       * tree-ssa-structalias.c (find_func_aliases): Clobbers don't store
+       any known value.
+       * tree-ssa-sccvn.c (vn_reference_lookup_3): Ditto, in particular they
+       don't zero-initialize something.
+       * tree-ssa-phiopt.c (cond_if_else_store_replacement_1): Ignore
+       clobber RHS, we don't want PHI nodes with those.
+
+2011-11-08  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX
+       if not TARGET_PREFER_AVX128 return 32-byte integer vectors.
+
+2011-11-08  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/51012
+       * ipa-prop.c (update_indirect_edges_after_inlining): Fixup
+       non-inlinable state.
+       * cgraph.c (cgraph_make_edge_direct): Likewise.
+
+2011-11-08  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR rtl-optimization/47698
+       * ifcvt.c (noce_operand_ok): Move around comment.
+
+2011-11-08  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/50999
+       * lto-opts.c (append_to_collect_gcc_options): Split out from...
+       (lto_write_options): ... here.  Prepend frontend specific flags.
+
+2011-11-08  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/sse.md (*avx_vperm2f128<mode>3_nozero): Emit mask
+       0x12 and 0x20 as vinsert[fi]128 instead of vperm2[fi]128.
+
+       * tree-vect-stmts.c (vectorizable_call): Add SLP_NODE argument.
+       Handle vectorization of SLP calls.
+       (vect_analyze_stmt): Adjust caller, add call to it for SLP too.
+       (vect_transform_stmt): Adjust vectorizable_call caller, remove
+       assertion.
+       * tree-vect-slp.c (vect_get_and_check_slp_defs): For calls start
+       with op_idx 3.
+       (vect_build_slp_tree): Allow CALL_EXPR.
+
+2011-11-08  Richard Guenther  <rguenther@suse.de>
+
+       * gimple-fold.c (canonicalize_constructor_val): Make sure
+       we have referenced vars setup before adding to them.
+
+2011-11-07  Richard Henderson  <rth@redhat.com>
+           Aldy Hernandez  <aldyh@redhat.com>
+           Andrew MacLeod  <amacleod@redhat.com>
+           Torvald Riegel  <triegel@redhat.com>
+
+       Merged from transactional-memory.
+
+       * gtm-builtins.def: New file.
+       * trans-mem.c: New file.
+       * trans-mem.h: New file.
+
+       * opts.c (finish_options): Error out when using -flto and -fgnu-tm.
+
+       * config/i386/i386.c: Define TARGET_VECTORIZE* transactional variants.
+       (ix86_handle_tm_regparm_attribute, struct bdesc_tm,
+       ix86_builtin_tm_load, ix86_builtin_tm_store,
+       ix86_init_tm_builtins): New.
+       (ix86_init_builtins): Initialize TM builtins.
+       (struct ix86_attribute_table): Add "*tm regparm".
+       * config/i386/i386-builtin-types.def (PV2SI): Define.
+       (PCV2SI): Define.
+       Define V2SI_FTYPE_PCV2SI.
+       Define V4SF_FTYPE_PCV4SF.
+       Define V8SF_FTYPE_PCV8SF.
+       Define VOID_PV2SI_V2SI.
+
+       * doc/invoke.texi (C Dialect Options): Document -fgnu-tm and
+       tm-max-aggregate-size.
+       * doc/tm.texi.in: Add TARGET_VECTORIZE_BUILTIN_TM_LOAD and
+       TARGET_VECTORIZE_BUILTIN_TM_STORE hooks.
+       * doc/tm.texi: Regenerate.
+
+       * attribs.c (apply_tm_attr): New.
+       (init_attributes): Allow '*' prefix for overrides.
+       (register_attribute): Likewise.
+       * builtin-attrs.def (ATTR_TM_TMPURE, ATTR_TM_REGPARM): New.
+       (ATTR_TM_NOTHROW_LIST, ATTR_TM_TMPURE_NOTHROW_LIST,
+       ATTR_TM_PURE_TMPURE_NOTHROW_LIST, ATTR_TM_NORETURN_NOTHROW_LIST,
+       ATTR_TM_CONST_NOTHROW_LIST, ATTR_TMPURE_MALLOC_NOTHROW_LIST,
+       ATTR_TMPURE_NOTHROW_LIST): New.
+       * builtin-types.def (BT_FN_I[1248]_VPTR, BT_FN_FLOAT_VPTR,
+       BT_FN_DOUBLE_VPTR, BT_FN_LDOUBLE_VPTR, BT_FN_VOID_VPTR_I[1248],
+       BT_FN_VOID_VPTR_FLOAT, BT_FN_VOID_VPTR_DOUBLE,
+       BT_FN_VOID_VPTR_LDOUBLE, BT_FN_VOID_VPTR_SIZE): New.
+       * builtins.def: Include gtm-builtins.def. Add comments regarding
+       transactional memory synchronization.
+       (DEF_TM_BUILTIN): New.
+       * c-parser.c (struct c_parser): Add in_transaction.
+       (c_parser_transaction, c_parser_transaction_expression,
+       c_parser_transaction_cancel, c_parser_transaction_attributes): New.
+       (c_parser_attribute_any_word): Split out from c_parser_attributes.
+       (c_parser_statement_after_labels): Handle RID_TRANSACTION*.
+       (c_parser_unary_expression): Same.
+       * c-tree.h (c_finish_transaction): Declare.
+       * c-typeck.c (c_finish_transaction): New.
+       (build_function_call_vec): Call tm_malloc_replacement.
+       * calls.c (is_tm_builtin): New.
+       (flags_from_decl_or_type): Add ECF_TM_BUILTIN and ECF_TM_PURE.
+       * cfgbuild.c (make_edges): Add edges for REG_TM notes.
+       * cfgexpand.c (expand_call_stmt): Call
+       mark_transaction_restart_calls.
+       (gimple_expand_cfg): Free the tm_restart map.
+       (mark_transaction_restart_calls): New.
+       * cfgrtl.c (purge_dead_edges): Look for REG_TM notes.
+       * cgraph.c (dump_cgraph_node): Handle tm_clone.
+       * cgraph.h (struct cgraph_node): Add tm_clone field.
+       (decl_is_tm_clone): New.
+       (struct cgraph_local_info): Add tm_may_enter_irr.
+       (cgraph_copy_node_for_versioning): Declare.
+       * cgraphunit.c (cgraph_copy_node_for_versioning): Export;
+       copy analyzed from old version.
+       * combine.c (distribute_notes): Handle REG_TM notes.
+       * common.opt: Add -fgnu-tm.
+       * crtstuff.c (__TMC_LIST__, __TMC_END__): New.
+       (__do_global_dtors_aux): Deregister clone table.
+       (frame_dummy): Register clone table.
+       * emit-rtl.c (try_split): Handle REG_TM. Early return if no function
+       body.
+       * gimple-low.c (lower_stmt): Handle GIMPLE_EH_ELSE and
+       GIMPLE_TRANSACTION.
+       (gimple_stmt_may_fallthru): Handle GIMPLE_EH_ELSE.
+       * gimple-pretty-print.c: Include trans-mem.h.
+       (dump_gimple_fmt): Add %x.
+       (dump_gimple_call): Dump arguments for calls to _ITM_beginTransaction.
+       (dump_gimple_eh_else, dump_gimple_transaction): New.
+       (dump_gimple_stmt): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
+       * gimple.c (gimple_build_eh_else, gimple_build_transaction): New.
+       (walk_gimple_seq): Honor removed_stmt. Document usage of removed_stmt
+       field.
+       (walk_gimple_op): Handle GIMPLE_TRANSACTION.
+       (walk_gimple_stmt): Initialize and honor removed_stmt.
+       Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
+       (gimple_copy): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
+       * gimple.def (GIMPLE_TRANSACTION, GIMPLE_EH_ELSE): New.
+       * gimple.h (struct gimple_statement_eh_else,
+       gimple_statement_transaction, GTMA_*): New.
+       (gimple_statement_d): Add gimple_statement_eh_else and
+       gimple_transaction.
+       (gimple_build_eh_else, gimple_build_transaction,
+       gimple_fold_call, diagnose_tm_safe_errors): Declare.
+       (get_call_expr_in): Remove prototype.
+       (gimple_has_substatements): Add GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
+       (gimple_eh_else_n_body, gimple_eh_else_e_body,
+       gimple_eh_else_set_n_body, gimple_eh_else_set_e_body,
+       gimple_transaction_body, gimple_transaction_label,
+       gimple_transaction_label_ptr, gimple_transaction_subcode,
+       gimple_transaction_set_body, gimple_transaction_set_label,
+       gimple_transaction_set_subcode): New.
+       (struct walk_stmt_info): Use BOOL_BITFIELD; add removed_stmt.
+       * gimplify.c (create_tmp_var_name): Use clean_symbol_name.
+       (voidify_wrapper_expr): Handle TRANSACTION_EXPR.
+       (gimplify_transaction): New.
+       (gimplify_expr): Handle TRANSACTION_EXPR.
+       * gsstruct.def (GSS_EH_ELSE, GSS_TRANSACTION): New.
+       * ipa-inline.c (can_inline_edge_p): Do not inline TM safe calling
+       TM pure functions.
+       * Makefile.in: Add trans-mem.o and dependencies.
+       (BUILTINS_DEF): Add gtm-builtins.def.
+       (gimple-pretty-print.o): Depend on TRANS_MEM_H.
+       (GTFILES): Add trans-mem.c.
+       * omp-low.c (WALK_SUBSTMTS): Add GIMPLE_TRANSACTION.
+       * output.h (record_tm_clone_pair, finish_tm_clone_pairs,
+       get_tm_clone_pair): Declare.
+       * params.def (PARAM_TM_MAX_AGGREGATE_SIZE): New.
+       * passes.c (init_optimization_passes): Place transactional memory
+       passes.
+       * print-tree.c (print_node): Dump tm-clone.
+       * recog.c (peep2_attempt): Handle REG_TM.
+       * reg-notes.def (TM): New.
+       * rtlanal.c (alloc_reg_note): Handle REG_TM.
+       * target.def (builtin_tm_load, builtin_tm_store): New.
+       * targhooks.c (default_builtin_tm_load_store): New.
+       * targhooks.h (default_builtin_tm_load_store): Declare.
+       * timevar.def (TV_TRANS_MEM): New.
+       * toplev.c (compile_file): Call finish_tm_clone_pairs.
+       * tree-cfg.c (make_edges): Handle GIMPLE_TRANSACTION.
+       (cleanup_dead_labels): Handle GIMPLE_TRANSACTION. Avoid unnecessary
+       writes into the statements to update labels.
+       (is_ctrl_altering_stmt): Add TM ending statements. Handle
+       GIMPLE_TRANSACTION.
+       (verify_gimple_transaction): New.
+       (verify_gimple_stmt): Handle GIMPLE_TRANSACTION.
+       (verify_gimple_in_seq_2): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
+       (gimple_redirect_edge_and_branch): Handle TM_TRANSACTION.
+       (dump_function_to_file): Display [tm-clone] if applicable.
+       * tree-eh.c (struct_ptr_eq): Make inline and move to tree.h.
+       (struct_ptr_hash): Same.
+       (collect_finally_tree): Handle GIMPLE_EH_ELSE.
+       (replace_goto_queue_1): Likewise.
+       (get_eh_else): New.
+       (honor_protect_cleanup_actions): Handle GIMPLE_EH_ELSE.
+       (lower_try_finally_nofallthru): Likewise.
+       (lower_try_finally_onedest): Likewise.
+       (lower_try_finally_copy): Likewise.
+       (lower_try_finally_switch): Likewise.
+       (lower_try_finally): Likewise.
+       (decide_copy_try_finally): Likewise.
+       (lower_eh_constructs_2): Likewise.
+       (refactor_eh_r): Likewise.
+       * tree-flow.h (struct gimple_df): Add tm_restart field.
+       Define tm_restart_node.
+       * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_TRANSACTION.
+       (estimate_num_insns): Likewise.
+       (init_inline_once): Init tm_cost.
+       * tree-inline.h (struct eni_weights_d): Add tm_cost.
+       * tree-pass.h (pass_diagnose_tm_blocks, pass_lower_tm, pass_tm_init,
+       pass_tm_mark, pass_tm_memopt, pass_tm_edges, pass_ipa_tm): Declare.
+       * tree-pretty-print.c (dump_generic_node): Handle TRANSACTION_EXPR.
+       * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
+       BUILT_IN_TM_MEMSET, BUILT_IN_TM_MEMCPY, BUILT_IN_TM_MEMMOVE.
+       Add support for TM vector loads.  Add support for TM logging builtins.
+       (call_may_clobber_ref_p_1): Add support for vector stores.
+       * tree-ssa-structalias.c (find_func_aliases): Add support for TM
+       vector stores and loads. Handle BUILT_IN_TM_MEMSET,
+       BUILT_IN_TM_MEMCPY, BUILT_IN_TM_MEMMOVE.
+       * tree.c (strip_invariant_refs): Moved from gimple.c to here.
+       (local_define_builtin): Handle ECF_TM_PURE.
+       (build_common_builtin_nodes): Set __builtin_eh_pointer to ECF_TM_PURE.
+       * tree.def (TRANSACTION_EXPR): New.
+       * tree.h (strip_invariant_refs): Moved from gimple.h to here.
+       (TRANSACTION_EXPR_BODY, TRANSACTION_EXPR_CHECK,
+       TRANSACTION_EXPR_OUTER, TRANSACTION_EXPR_RELAXED,
+       BUILTIN_TM_LOAD_STORE_P, BUILTIN_TM_LOAD_P, BUILTIN_TM_STORE_P,
+       CASE_BUILT_IN_TM_LOAD, CASE_BUILT_IN_TM_STORE): New.
+       (ECF_TM_PURE, ECF_TM_BUILTIN): New.
+       (struct tree_function_decl): Add tm_clone_flag.
+       (struct_ptr_eq, struct_ptr_hash): New.
+       (apply_tm_attr): Declare.
+       (is_tm_safe_or_pure): New.
+       (build_tm_abort_call, is_tm_safe, is_tm_pure,
+       is_tm_may_cancel_outer, is_tm_ending_fndecl, record_tm_replacement,
+       tm_malloc_replacement): Declare.
+       * varasm.c (tm_clone_hash): New.
+       (record_tm_clone_pair, finish_tm_clone_pairs, get_tm_clone_pair,
+       dump_tm_clone_to_vec, dump_tm_clone_pairs, tm_alias_pair_cmp): New.
+       (struct tm_alias_pair): New.  Declare VEC types for object.
+
+2011-11-07  Richard Henderson  <rth@redhat.com>
+
+       * optabs.h (OTI_sync_compare_and_swap, OTI_sync_lock_test_and_set,
+       OTI_sync_old_add, OTI_sync_old_sub, OTI_sync_old_ior,
+       OTI_sync_old_and, OTI_sync_old_xor, OTI_sync_old_nand,
+       OTI_sync_new_add, OTI_sync_new_sub, OTI_sync_new_ior,
+       OTI_sync_new_and, OTI_sync_new_xor, OTI_sync_new_nand): Move and
+       rename from the direct_optab_index enum.
+       (sync_compare_and_swap_optab, sync_lock_test_and_set_optab,
+       sync_old_add_optab, sync_old_sub_optab, sync_old_ior_optab,
+       sync_old_and_optab, sync_old_xor_optab, sync_old_nand_optab,
+       sync_new_add_optab, sync_new_sub_optab, sync_new_ior_optab,
+       sync_new_and_optab, sync_new_xor_optab, sync_new_nand_optab): Read
+       from the optab_table, not the direct_optab_table.
+       (init_sync_libfuncs): Declare.
+       (can_compare_and_swap_p): Update parameters.
+       * optabs.c (init_sync_libfuncs_1, init_sync_libfuncs): New.
+       (can_compare_and_swap_p): Add allow_libcall parameter; if true,
+       test for the legacy compare-and-swap libcall.
+       (expand_atomic_exchange): Use the legacy test-and-set libcall.
+       (expand_atomic_compare_and_swap): Use the legacy CAS libcall.
+       (struct atomic_op_functions): Update for optab type changes.
+       (maybe_emit_op): Likewise.
+       (expand_atomic_fetch_op): Use the legacy fetch-op libcalls.
+       * builtins.c (fold_builtin_atomic_always_lock_free): Update call
+       to can_compare_and_swap_p.
+       * omp-low.c (expand_omp_atomic_fetch_op): Likewise.
+       (expand_omp_atomic_pipeline): Likewise.
+       * genopinit.c (optabs): Make sync_old_*_optab, sync_new_*_optab,
+       sync_compare_and_swap_optab, sync_lock_test_and_set_optab regular
+       optabs.
+       * doc/md.texi (sync_compare_and_swap): Update docs for libcalls.
+
+2011-11-07  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386-bultin-types.def (V8SI_FTYPE_V4DF_V4DF): Add.
+       * config/i386/i386.c (enum ix86_builtins): Add
+       IX86_BUILTIN_VEC_PACK_SFIX256.
+       (bdesc_args): Add __builtin_ia32_vec_pack_sfix256.
+       (ix86_expand_args_builtin): Handle V8SI_FTYPE_V4DF_V4DF.
+       (ix86_builtin_vectorized_function): Also vectorize lrint using
+       256-bit vectors for -mavx.
+
+2011-11-07  Anatoly Sokolov  <aesok@post.ru>
+
+       * config/cris/constraints.md: New file.
+       * config/cris/cris.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
+       CRIS_CONST_OK_FOR_LETTER_P, CONST_OK_FOR_CONSTRAINT_P,
+       CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_MEMORY_CONSTRAINT,
+       EXTRA_CONSTRAINT, EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_R,
+       EXTRA_CONSTRAINT_T, EXTRA_CONSTRAINT_S, EXTRA_CONSTRAINT_U): Remove.
+       * config/cris/cris.c: Incule "tm-constrs.h".
+       (cris_print_operand): Use satisfies_constraint_O.
+       (cris_normal_notice_update_cc, cris_rtx_costs): Use
+       satisfies_constraint_I.
+       (cris_address_cost): Use satisfies_constraint_L.
+       * config/cris/cris.md: Include "constraints.md".
+       (*mov_side<mode>, *mov_sidesisf, *mov_side<mode>_mem,
+       *mov_sidesisf_mem, *clear_side<mode>, *ext_sideqihi,
+       *ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>,
+       *extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side,
+       *extop<mode>si_swap_side): Use satisfies_constraint_N and
+       satisfies_constraint_J.
+       (moversideqi movemsideqi mover2side peephole2): Use
+       satisfies_constraint_N and satisfies_constraint_J.
+       (andu peephole2): Use satisfies_constraint_I and
+       satisfies_constraint_O.
+
+2011-11-07  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
+       BUILT_IN_IRINT, BUILT_IN_IRINTF, BUILT_IN_LLRINT and BUILT_IN_LLRINTF.
+
+2011-11-07  Andrew MacLeod  <amacleod@redhat.com>
+
+       * optabs.c (get_atomic_op_for_code): Fill in optab table at runtime so
+       SWITCHABLE_TARGET can change the values during compilation.
+       (expand_atomic_fetch_op): Handle parameter change ripples for
+       get_atomic_op_for_code call.
+
+2011-11-07  Andrew MacLeod  <amacleod@redhat.com>
+
+       * doc/extend.texi: Docuemnt behaviour change for __atomic_exchange and
+       __atomic_store.
+       * optabs.c (expand_atomic_exchange): Expand to __sync_lock_test_and_set
+       only when originated from that builtin.
+       (expand_atomic_store): Expand to __sync_lock_release when originated
+       from that builtin.
+       * builtins.c (expand_builtin_sync_lock_test_and_set): Add flag that
+       expand_atomic_exchange call originated from here.
+       (expand_builtin_sync_lock_release): Add flag that expand_atomic_store
+       call originated from here.
+       (expand_builtin_atomic_exchange): Add origination flag.
+       (expand_builtin_atomic_store): Add origination flag.
+       * expr.h (expand_atomic_exchange, expand_atomic_store): Add boolean
+       parameters to indicate implementation fall back options.
+
+2011-11-07  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/avr.c (output_reload_in_const): Can handle CONSTANT_P
+       now, not only CONST_INT and CONST_DOUBLE.
+       (output_movqi): Use output_reload_in_const.
+       (output_reload_inhi): Ditto.
+       (output_reload_insisf): Move assertion to output_reload_in_const.
+       (avr_out_reload_inpsi): Ditto.
+
+2011-11-07  Nathan Sidwell  <nathan@acm.org>
+
+       * gcov.c (object_summary): Replace with ...
+       (object_runs): ... this.
+       (process_file): Remove functions with no data.
+       (generate_results): Ignore files with no lines.
+       (release_function): New helper, broken out of ...
+       (release_structures): ... here.  Use it.
+       (read_count_file): Adjust for new data file format.
+       (output_lines): Use object_runs.
+       * gcov-io.h (GCOV_TAG_OBJECT_SUMMARY): Obsolete.
+       (struct gcov_ctr_info): Move definition.
+       (struct gcov_fn_info): Add key field, use gcov_ctr_info for
+       trailing array.
+       (struct gcov_info): Add merge function array, remove mask and
+       counts.  Trailing array is array of pointers to function info.
+       * coverage.c (struct function_list): Replace counter numbers with
+       counter arrays.  Add fndecl field.  GTYify.
+       (counts_entry): Remove chain workspace.
+       (functions_head): GTYify.
+       (prg_n_ctrs): Remove.
+       (fn_v_ctrs): New.
+       (tree_ctr_tables): Remove.
+       (read_counts_file): Cope with blank entries and expect program
+       summaries before functions.  Don't warn on missing entries.
+       (coverage_counter_alloc): Allocate individual function arrays.
+       (tree_coverage_counter_ref, tree_coverage_counter_addr): Adjust
+       for individual function arrays.
+       (coverage_end_function): GTYify function list object. Finalize
+       function's counter arrays.
+       (build_var): New.  Create a counter-related variable with
+       appropriate linkage.
+       (build_fn_info_type): Adjust for new runtime structure.
+       (build_fn_info_value): Rename to ...
+       (build_fn_info): ... here.  Build new format data.
+       (build_ctr_info_type, build_ctr_info_value): Remove.
+       (build_info_type): New. Build new format data structure.
+       (build_info): Adjust for new format data.
+       (create_coverage): Likewise.
+       * gcov-dump.c (tag_function): Recognize placeholders.
+
+2011-11-07  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/constraints.md (Cm2): New constraint for int -2.
+       * config/avr/avr.md (addqi3): Use it. New alternatives for +/-2.
+       (*negqihi2): New insn.
+
 2011-11-07  H.J. Lu  <hongjiu.lu@intel.com>
 
        * dwarf2cfi.c (dwarf2out_frame_debug_expr): Check
-       HARD_FRAME_POINTER_REGNUM instead of hard_frame_pointer_rtx
-       in Rule 18.
+       HARD_FRAME_POINTER_REGNUM instead of hard_frame_pointer_rtx in Rule 18.
 
 2011-11-07  Jakub Jelinek  <jakub@redhat.com>
 
        * tree-data-ref.h (initialize_data_dependence_relation,
        compute_self_dependence): New prototypes.
        * tree-vect-data-refs.c (vect_check_gather): New function.
-       (vect_analyze_data_refs): Detect possible gather load data
-       refs.
+       (vect_analyze_data_refs): Detect possible gather load data refs.
        * tree-vectorizer.h (struct _stmt_vec_info): Add gather_p field.
        (STMT_VINFO_GATHER_P): Define.
        (vect_check_gather): New prototype.
        (avx2_gathersi<mode>, *avx2_gathersi<mode>): Use <VEC_GATHER_IDXSI>
        instead of <VEC_GATHER_MODE>.
        (avx2_gatherdi<mode>): Use <VEC_GATHER_IDXDI> instead of
-       <<AVXMODE48P_DI> and <VEC_GATHER_SRCDI> instead of VEC_GATHER_MODE
+       <AVXMODE48P_DI> and <VEC_GATHER_SRCDI> instead of VEC_GATHER_MODE
        on src and mask operands.
        (*avx2_gatherdi<mode>): Likewise.  Use VEC_GATHER_MODE iterator
        instead of AVXMODE48P_DI.
 
 2011-11-07  Uros Bizjak  <ubizjak@gmail.com>
 
-       * config/i386/f16cintrin: Remove extra _X86INTRIN_H_INCLUDED check.
+       * config/i386/f16cintrin.h: Remove extra _X86INTRIN_H_INCLUDED check.
 
 2011-11-07  Tristan Gingold  <gingold@adacore.com>
 
 2011-11-07  Sergey Ostanevich  <sergos.gnu@gmail.com>
 
        PR rtl-optimization/47698
-       * ifconv.c (noce_operand_ok): prevent CMOV generation for volatile mem.
+       * ifcvt.c (noce_operand_ok): Return false for mems with side effects.
 
 2011-11-07  Tristan Gingold  <gingold@adacore.com>
 
        * Makefile.in (USER_H): Add stdalign.h.
 
 2011-11-06  Joern Rennecke  <joern.rennecke@embecosm.com>
-           Eric Botcazou  <ebotcazou@adacore.com>
 
        * regset.h (fixed_reg_set_regset): Declare.
        * dse.c: Include regset.h .
 
 2011-11-6  Richard Guenther  <rguenther@suse.de>
 
-       * ipa-prop.c (ipa_modify_call_arguments): Re-compute
-       inlinable flag.
+       * ipa-prop.c (ipa_modify_call_arguments): Re-compute inlinable flag.
 
 2011-11-06  Ira Rosen  <ira.rosen@linaro.org>