+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,
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 .