aboutsummaryrefslogtreecommitdiff
path: root/gcc
AgeCommit message (Collapse)AuthorFilesLines
2011-09-08trans-array.h (gfc_get_scalar_ss): New prototype.Mikael Morin5-70/+50
2011-09-08 Mikael Morin <mikael.morin@sfr.fr> * trans-array.h (gfc_get_scalar_ss): New prototype. * trans-array.c (gfc_get_scalar_ss): New function. (gfc_walk_variable_expr, gfc_walk_op_expr, gfc_walk_elemental_function_args): Re-use gfc_get_scalar_ss. * trans-expr.c (gfc_trans_subarray_assign): Ditto. (gfc_trans_assignment_1): Ditto. * trans-stmt.c (compute_inner_temp_size, gfc_trans_where_assign, gfc_trans_where_3): Ditto. From-SVN: r178697
2011-09-08trans-array.h (gfc_get_temp_ss): New prototype.Mikael Morin4-29/+41
2011-09-08 Mikael Morin <mikael.morin@sfr.fr> * trans-array.h (gfc_get_temp_ss): New prototype. * trans-array.c (gfc_get_temp_ss): New function. (gfc_conv_resolve_dependencies): Re-use gfc_get_temp_ss. (gfc_conv_expr_descriptor): Ditto. * trans-expr.c (gfc_conv_subref_array_arg): Ditto. From-SVN: r178696
2011-09-08trans-array.h (gfc_get_array_ss): New prototype.Mikael Morin6-76/+49
2011-09-08 Mikael Morin <mikael.morin@sfr.fr> * trans-array.h (gfc_get_array_ss): New prototype. * trans-array.c (gfc_get_array_ss): New function. (gfc_walk_variable_expr, gfc_walk_function_expr, gfc_walk_array_constructor): Re-use gfc_get_array_ss. * trans-expr.c (gfc_trans_subarray_assign): Ditto. * trans-intrinsic.c (gfc_walk_intrinsic_bound, gfc_walk_intrinsic_libfunc): Ditto. * trans-io.c (transfer_array_component): Ditto. From-SVN: r178695
2011-09-08re PR c++/50324 ([C++0x] SFINAE does not handle the object creation of an ↵Paolo Carlini4-3/+31
incomplete type) /cp 2011-09-08 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50324 * typeck2.c (digest_init_r): Call complete_type_or_maybe_complain instead of complete_type_or_else. /testsuite 2011-09-08 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50324 * g++.dg/cpp0x/sfinae28.C: New. From-SVN: r178694
2011-09-08PR c++/33255 - Support -Wunused-local-typedefs warningDodji Seketeli15-9/+378
gcc/ * c-decl.c (lookup_name): Use the new maybe_record_typedef_use. (pushdecl): Use the new record_locally_defined_typedef. (store_parm_decls): Allocate cfun->language. (finish_function): Use the new maybe_warn_unused_local_typedefs, and free cfun->language. (c_push_function_context): Allocate cfun->language here only if needed. (c_pop_function_context): Likewise, mark cfun->language for collection only when it should be done. * c-common.c (handle_used_attribute): Don't ignore TYPE_DECL nodes. * c-typeck.c (c_expr_sizeof_type, c_cast_expr): Use the new maybe_record_local_typedef_use. gcc/c-family * c-common.h (struct c_language_function::local_typedefs): New field. (record_locally_defined_typedef, maybe_record_typedef_use) (maybe_warn_unused_local_typedefs): Declare new functions. * c-common.c (record_locally_defined_typedef) (maybe_record_typedef_use) (maybe_warn_unused_local_typedefs): Define new functions. * c.opt: Declare new -Wunused-local-typedefs flag. gcc/cp * name-lookup.c (pushdecl_maybe_friend_1): Use the new record_locally_defined_typedef. * decl.c (finish_function): Use the new maybe_warn_unused_local_typedefs. (grokfield): Use the new record_locally_defined_typedef. * parser.c (lookup_name): Use the new maybe_record_typedef_use. gcc/doc/ * invoke.texi: Update documentation for -Wunused-local-typedefs. gcc/testsuite/ * g++.dg/warn/Wunused-local-typedefs.C: New test file. * c-c++-common/Wunused-local-typedefs.c: Likewise. libstdc++-v3/ * include/ext/bitmap_allocator.h (__detail::__mini_vector::__lower_bound): Remove unused typedef. * src/istream.cc (std::operator>>(basic_istream<char>& __in, basic_string<char>& __str)): Likewise. (std::getline): Likewise. * src/valarray.cc (__valarray_product): Likewise. From-SVN: r178692
2011-09-08Improve AGU stalls avoidance optimization.Enkovich Ilya4-133/+598
2011-09-08 Enkovich Ilya <ilya.enkovich@intel.com> * config/i386/i386-protos.h (ix86_lea_outperforms): New. (ix86_avoid_lea_for_add): Likewise. (ix86_avoid_lea_for_addr): Likewise. (ix86_split_lea_for_addr): Likewise. * config/i386/i386.c (LEA_MAX_STALL): New. (increase_distance): Likewise. (insn_defines_reg): Likewise. (insn_uses_reg_mem): Likewise. (distance_non_agu_define_in_bb): Likewise. (distance_agu_use_in_bb): Likewise. (ix86_lea_outperforms): Likewise. (ix86_ok_to_clobber_flags): Likewise. (ix86_avoid_lea_for_add): Likewise. (ix86_avoid_lea_for_addr): Likewise. (ix86_split_lea_for_addr): Likewise. (distance_non_agu_define): Search in pred BBs added. (distance_agu_use): Search in succ BBs added. (IX86_LEA_PRIORITY): Value changed from 2 to 0. (LEA_SEARCH_THRESHOLD): Now depends on LEA_MAX_STALL. (ix86_lea_for_add_ok): Use ix86_lea_outperforms to make decision. * config/i386/i386.md: Split added to transform non destructive add into move and add. (lea_1): transformed into insn_and_split to avoid AGU stalls. (lea<mode>_2): Likewise. From-SVN: r178689
2011-09-08re PR tree-optimization/50287 (FAIL: ↵Martin Jambor4-7/+132
gcc.c-torture/execute/builtins/vsnprintf-chk.c compilation, -O2 -flto) 2011-09-08 Martin Jambor <mjambor@suse.cz> PR tree-optimization/50287 * ipa-split.c (split_function): Do not create SSA names for non-gimple-registers. * testsuite/gcc.dg/torture/pr50287.c: New test. From-SVN: r178688
2011-09-08re PR tree-optimization/19831 (Missing DSE/malloc/free optimization)Richard Guenther7-1/+169
2011-09-08 Richard Guenther <rguenther@suse.de> PR tree-optimization/19831 * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Also skip builtins with vdefs that do not really store something. (propagate_necessity): For calls to free that we can associate with an allocation function do not mark the freed pointer definition necessary. (eliminate_unnecessary_stmts): Remove a call to free if the associated call to an allocation function is not necessary. * gcc.dg/tree-ssa/pr19831-1.c: New testcase. * gcc.dg/tree-ssa/pr19831-2.c: Likewise. * gcc.dg/tree-ssa/pr19831-3.c: Likewise. * gcc.dg/errno-1.c: Adjust. From-SVN: r178687
2011-09-08re PR tree-optimization/19831 (Missing DSE/malloc/free optimization)Richard Guenther4-10/+45
2011-09-08 Richard Guenther <rguenther@suse.de> PR tree-optimization/19831 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark allocation functions as necessary. * gcc.dg/tree-ssa/ssa-dce-8.c: New testcase. From-SVN: r178683
2011-09-08part of restore of powerpc-darwin Ada bootstrapIain Sandoe2-2/+21
* traceback.c (Darwin) USE_GCC_UNWINDER for Darwin versions >= 8. From-SVN: r178682
2011-09-08make darwin port a little more cross & cross native build friendly.Iain Sandoe6-53/+104
*config/darwin-driver.c (darwin_find_version_from_kernel): New routine cut from ... (darwin_default_min_version): Amended to provide defaults for the cross directory case. (darwin_driver_init): call darwin_default_min_version unconditionally. * config/darwin.h (DEF_MIN_OSX_VERSION): New. * config/darwin9.h: Likewise. * config/darwin10.h: Likewise. * config/rs6000/darwin7.h: Likewise. From-SVN: r178679
2011-09-08re PR fortran/44646 ([F08] Implement DO CONCURRENT)Tobias Burnus16-448/+808
gcc/fortran/ 2011-09-08 Tobias Burnus <burnus@net-b.de> PR fortran/44646 * decl.c (gfc_match_entry, gfc_match_end): Handle * COMP_DO_CONCURRENT. * dump-parse-tree.c (show_code_node): Handle EXEC_DO_CONCURRENT. * gfortran.h (gfc_exec_op): Add EXEC_DO_CONCURRENT. * match.c (gfc_match_critical, match_exit_cycle, * gfc_match_stopcode, lock_unlock_statement, sync_statement, gfc_match_allocate, gfc_match_deallocate, gfc_match_return): Add DO CONCURRENT diagnostic. (gfc_match_do): Match DO CONCURRENT. (match_derived_type_spec, match_type_spec, gfc_free_forall_iterator, match_forall_iterator, match_forall_header, match_simple_forall, gfc_match_forall): Move up in the file. * parse.c (check_do_closure, parse_do_block): Handle do * concurrent. * parse.h (gfc_compile_state): Add COMP_DO_CONCURRENT. * resolve.c (do_concurrent_flag): New global variable. (resolve_function, pure_subroutine, resolve_branch, gfc_resolve_blocks, resolve_code, resolve_types): Add do concurrent diagnostic. * st.c (gfc_free_statement): Handle EXEC_DO_CONCURRENT. * trans-stmt.c (gfc_trans_do_concurrent): New function. (gfc_trans_forall_1): Handle do concurrent. * trans-stmt.h (gfc_trans_do_concurrent): New function * prototype. * trans.c (trans_code): Call it. * frontend-passes.c (gfc_code_walker): Handle * EXEC_DO_CONCURRENT. gcc/testsuite/ 2011-09-08 Tobias Burnus <burnus@net-b.de> PR fortran/44646 * gfortran.dg/do_concurrent_1.f90: New. * gfortran.dg/do_concurrent_2.f90: New. From-SVN: r178677
2011-09-08re PR target/50310 (ICE: in gen_vcondv2div2df, at config/i386/sse.md:1435 ↵Jakub Jelinek5-1/+164
with -O -ftree-vectorize and __builtin_isunordered()) PR target/50310 * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Return code early if TARGET_AVX. (ix86_expand_fp_vcond): Handle LTGT and UNEQ. * gcc.c-torture/execute/ieee/pr50310.c: New test. * gcc.dg/pr50310-2.c: New test. From-SVN: r178673
2011-09-08Daily bump.GCC Administrator1-1/+1
From-SVN: r178669
2011-09-08re PR fortran/48095 ([OOP] Invalid assignment to procedure pointer component ↵Janus Weil7-7/+130
not rejected) 2011-09-07 Janus Weil <janus@gcc.gnu.org> PR fortran/48095 * primary.c (gfc_match_structure_constructor): Handle parsing of procedure pointers components in structure constructors. * resolve.c (resolve_structure_cons): Check interface of procedure pointer components. Changed wording of some error messages. 2011-09-07 Janus Weil <janus@gcc.gnu.org> PR fortran/48095 * gfortran.dg/derived_constructor_comps_2.f90: Modified. * gfortran.dg/impure_constructor_1.f90: Modified. * gfortran.dg/proc_ptr_comp_33.f90: New. From-SVN: r178665
2011-09-07re PR target/50310 (ICE: in gen_vcondv2div2df, at config/i386/sse.md:1435 ↵Jakub Jelinek4-13/+43
with -O -ftree-vectorize and __builtin_isunordered()) * config/i386/sse.md (sseinsnmode): Remove 32-byte integer vector duplicates. PR target/50310 * config/i386/sse.md (*andnot<mode>3, *<code><mode>3): Fix up "mode" attribute computation. * gcc.dg/pr50310-1.c: New test. From-SVN: r178659
2011-09-07bb-reorder.c (insert_section_boundary_note): Don't check ↵Bernd Schmidt2-16/+23
optimize_function_for_speed_p. * bb-reorder.c (insert_section_boundary_note): Don't check optimize_function_for_speed_p. (gate_handle_partition_blocks): Do it here instead. (gate_handle_reorder_blocks): Move preliminary checks here ... (rest_of_handle_reorder_blocks): ... from here. From-SVN: r178657
2011-09-07re PR tree-optimization/48571 (Missed data-dependence for (bogus?) ↵Georg-Johann Lay2-2/+10
reconstructed array-refs) PR middle-end/48571 * gcc.c-torture/execute/pr48571-1.c (bar): Use offsets sizeof(int) instead of 4. From-SVN: r178655
2011-09-07re PR c++/50309 ([C++0x] ICE: tree check: expected tree_list, have ↵Paolo Carlini4-2/+21
error_mark in comp_except_specs, at cp/typeck.c:1014 on empty noexcept) /cp 2011-09-07 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50309 * decl.c (grokdeclarator): Check u.function.exception_specification for error_mark_node. /testsuite 2011-09-07 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50309 * g++.dg/cpp0x/noexcept14.C: New. From-SVN: r178654
2011-09-07re PR c++/50298 ([C++0x][constexpr] References cannot be bound to static ↵Jason Merrill4-0/+27
constexpr reference members) PR c++/50298 * parser.c (cp_parser_member_declaration): Don't require a constant rvalue here in C++0x. From-SVN: r178652
2011-09-07pt.c (type_unification_real): Correct complain arg for tsubsting default ↵Jason Merrill4-5/+14
template args. * pt.c (type_unification_real): Correct complain arg for tsubsting default template args. From-SVN: r178651
2011-09-07* pt.c (tsubst_aggr_type): Check TYPE_P before tsubsting.Jason Merrill2-3/+6
From-SVN: r178650
2011-09-07section1.c: Don't xfail for avr.Georg-Johann Lay2-1/+5
* gcc.dg/section1.c: Don't xfail for avr. From-SVN: r178649
2011-09-07re PR testsuite/50322 ([avr]: fail: gcc.dg/tree-ssa/ivopts-lt.c)Georg-Johann Lay2-2/+8
PR tree-optimization/50322 * gcc.dg/tree-ssa/ivopts-lt.c: Add xfails for avr. From-SVN: r178646
2011-09-07regrename.c (struct du_head): Make nregs signed.Bernd Schmidt4-75/+549
* regrename.c (struct du_head): Make nregs signed. (closed_chains): Remove. (create_new_chain): Return the new chain. (chain_from_id): New static function. (dump_def_use_chain): Change argument to be an int, indicating the first ID to print. All callers changed. (merge_overlapping_regs): Use chain_from_id. Assert that chains don't conflict with themselves. (rename_chains): Take no argument. Iterate over id_to_chain rather to find chains to rename. Clear tick before the main loop. (struct incoming_reg_info): New struct. (struct bb_rename_info): New struct. (init_rename_info, set_incoming_from_chain, merge_chains): New static functions. (regrename_analyze): New static function, broken out of regrename_optimize. Record and make use of open chain information at basic block boundaries, and merge chains where possible. (scan_rtx_reg): Make this_nregs signed. Don't update closed_chains. (build_def_use): Return a bool to indicate success. All callers changed. Don't initialize global data here. (regrename_optimize): Move most code out of here into regrename_analyze. * regs.h (add_range_to_hard_reg_set, remove_range_from_hard_reg_set, range_overlaps_hard_reg_set_p, range_in_hard_reg_set_p): New static inline functions. * vec.h (FOR_EACH_VEC_ELT_FROM): New macro. From-SVN: r178645
2011-09-07pr49911.C: Added flag -fstrict-enums.Martin Jambor2-1/+5
2011-09-07 Martin Jambor <mjambor@suse.cz> * g++.dg/tree-ssa/pr49911.C: Added flag -fstrict-enums. From-SVN: r178642
2011-09-07re PR middle-end/50301 (416.gamess in SPEC CPU 2006 failed to build with LTO)Martin Jambor2-1/+17
2011-09-07 Martin Jambor <mjambor@suse.cz> PR middle-end/50301 * ipa-cp.c (find_more_values_for_callers_subset): Check jump function index bounds. (perhaps_add_new_callers): Likewise. From-SVN: r178640
2011-09-07re PR tree-optimization/49911 (SRA + DOM + VRP + -fstrict-enums incorrectly ↵Martin Jambor4-2/+66
remove predicate) 2011-09-07 Martin Jambor <mjambor@suse.cz> PR tree-optimization/49911 * tree-sra.c (analyze_access_subtree): Change type of to-be-replaced enumerations to the corresponding plain integer type. * testsuite/g++.dg/tree-ssa/pr49911.C: New test. From-SVN: r178639
2011-09-07re PR tree-optimization/50319 (if-conversion produces unvectorizable conditions)Richard Guenther2-31/+38
2011-09-07 Richard Guenther <rguenther@suse.de> PR tree-optimization/50319 * tree-if-conv.c (set_bb_predicate): Assert we only set canonical predicates. (add_to_predicate_list): Simplify. Allow TRUTH_NOT_EXPR around canonical predicates. (predicate_bbs): Do not re-gimplify already canonical predicates. Properly unshare them though. (find_phi_replacement_condition): Simplify. From-SVN: r178638
2011-09-07re PR target/49030 (ICE in get_arm_condition_code, at config/arm/arm.c:17180)Richard Sandiford6-20/+65
gcc/ PR target/49030 * config/arm/arm-protos.h (maybe_get_arm_condition_code): Declare. * config/arm/arm.c (maybe_get_arm_condition_code): New function, reusing the old code from get_arm_condition_code. Return ARM_NV for invalid comparison codes. (get_arm_condition_code): Redefine in terms of maybe_get_arm_condition_code. * config/arm/predicates.md (arm_comparison_operator): Use maybe_get_arm_condition_code. gcc/testsuite/ PR target/49030 * gcc.dg/torture/pr49030.c: New test. From-SVN: r178636
2011-09-07re PR fortran/50288 (FAIL: gfortran.dg/class_45b.f03)Janus Weil4-18/+12
2011-09-07 Janus Weil <janus@gcc.gnu.org> PR fortran/50288 * gfortran.dg/class_4c.f03: Modified ("dg-do link" and "dg-final"). * gfortran.dg/class_4d.f03: Deleted. * gfortran.dg/class_45b.f03: Modififed ("dg-do link"). From-SVN: r178635
2011-09-07tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Canonicalize ↵Richard Guenther4-3/+63
negated predicates by swapping edges. 2011-09-07 Richard Guenther <rguenther@suse.de> * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Canonicalize negated predicates by swapping edges. (forward_propagate_into_cond): Likewise. * gcc.dg/tree-ssa/forwprop-16.c: New testcase. From-SVN: r178634
2011-09-07re PR tree-optimization/50213 (Regression in space-optimized code relative ↵Richard Guenther4-15/+29
to 4.5.x) 2011-09-07 Richard Guenther <rguenther@suse.de> PR tree-optimization/50213 * tree-flow.h (simple_iv_increment_p): Declare. * tree-ssa-dom.c (simple_iv_increment_p): Export. Also handle POINTER_PLUS_EXPR. * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Do not propagate simple IV counter increments. From-SVN: r178633
2011-09-07restore powerpc-darwin Ada boostrap.Iain Sandoe5-3/+172
gcc: * config/rs6000/rs6000.c (compute_save_world_info): Test cfun->has_nonlocal_label to determine if the out-of-line save world call may be used. ada: * gcc-interface/Makefile.in (darwin): Provide powerpc64 system implementation. * system-darwin-ppc64.ads: New file. From-SVN: r178630
2011-09-07re PR tree-optimization/46021 (3 tree-ssa tests XPASS almost everywhere)Jiangning Liu2-1/+6
2011-09-07 Jiangning Liu <jiangning.liu@arm.com> PR tree-optimization/46021 * gcc.dg/tree-ssa/20040204-1.c: Don't XFAIL on arm*-*-*. From-SVN: r178628
2011-09-07mn10300.c (mn10300_insert_setlb_lcc): Set the jump label on the parallel ↵Nick Clifton2-0/+6
part of the insn. * config/mn10300/mn10300.c (mn10300_insert_setlb_lcc): Set the jump label on the parallel part of the insn. From-SVN: r178626
2011-09-07re PR rtl-optimization/50191 (Strange debug insn produced for TOC compiling ↵Jakub Jelinek2-7/+17
416.gamess with profile-generate) PR debug/50191 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Try avoid_constant_pool_reference first instead of last. From-SVN: r178625
2011-09-07Daily bump.GCC Administrator1-1/+1
From-SVN: r178623
2011-09-06Update documentation about tm_p.hMichael Meissner2-2/+15
From-SVN: r178618
2011-09-06Fix altivec-17.C to match current compiler error messageMichael Meissner2-1/+5
From-SVN: r178614
2011-09-06Fix typoEric Botcazou1-1/+1
From-SVN: r178612
2011-09-06re PR middle-end/50266 (ICE in decode_addr_const)Eric Botcazou4-1/+46
PR middle-end/50266 * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Fold offsetof-like computations. From-SVN: r178611
2011-09-06i386.c (ix86_function_value_regno_p): Use AX_REG.Uros Bizjak4-17/+29
2011-09-06 Uros Bizjak <ubizjak@gmail.com> * config/i386/i386.c (ix86_function_value_regno_p): Use AX_REG. (function_value_32): Do not check TARGET_MMX, TARGET_SSE or TARGET_AVX. testsuite/ChangeLog: 2011-09-06 Uros Bizjak <ubizjak@gmail.com> * gcc.target/i386/builtin-apply-mmx.c: Require ia32 effective target. From-SVN: r178610
2011-09-06* config/darwin10.h Remove duplicate LIB_SPEC.Iain Sandoe2-3/+4
From-SVN: r178609
2011-09-06Makefile.in (gnatlib-shared-darwin): Remove reference to "-lm".Iain Sandoe2-1/+6
* gcc-interface/Makefile.in (gnatlib-shared-darwin): Remove reference to "-lm". From-SVN: r178608
2011-09-06Makefile.in (darwin, SO_OPTS): Provide architecture size switches to the ↵Iain Sandoe2-1/+8
link phase for shared libs. * gcc-interface/Makefile.in (darwin, SO_OPTS): Provide architecture size switches to the link phase for shared libs. From-SVN: r178606
2011-09-06Makefile.in (x86_64 darwin arch): Adjust LIBGNAT_TARGET_PAIRS for x86 and ↵Iain Sandoe2-5/+11
x86_64 variants. * gcc-interface/Makefile.in (x86_64 darwin arch): Adjust LIBGNAT_TARGET_PAIRS for x86 and x86_64 variants. From-SVN: r178605
2011-09-06re PR c++/50296 (New C++ test failures)Jason Merrill6-34/+27
PR c++/50296 * semantics.c (register_constexpr_fundef): Call is_valid_constexpr_fn. (cx_check_missing_mem_inits): Handle bases and empty trivial members. (validate_constexpr_fundecl): Remove. * decl.c (start_preparsed_function): Don't call it. * cp-tree.h: Don't declare it. From-SVN: r178604
2011-09-06PR middle-end/44382: Tree reassociation improvementEnkovich Ilya15-49/+425
gcc/ 2011-09-06 Enkovich Ilya <ilya.enkovich@intel.com> PR middle-end/44382 * target.def (reassociation_width): New hook. * doc/tm.texi.in (reassociation_width): Likewise. * doc/tm.texi (reassociation_width): Likewise. * doc/invoke.texi (tree-reassoc-width): New param documented. * hooks.h (hook_int_uint_mode_1): New default hook. * hooks.c (hook_int_uint_mode_1): Likewise. * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_REASSOC_INT_TO_PARALLEL and X86_TUNE_REASSOC_FP_TO_PARALLEL. (TARGET_REASSOC_INT_TO_PARALLEL): New. (TARGET_REASSOC_FP_TO_PARALLEL): Likewise. * config/i386/i386.c (initial_ix86_tune_features): Add X86_TUNE_REASSOC_INT_TO_PARALLEL and X86_TUNE_REASSOC_FP_TO_PARALLEL. (ix86_reassociation_width) implementation of new hook for i386 target. * params.def (PARAM_TREE_REASSOC_WIDTH): New param added. * tree-ssa-reassoc.c (get_required_cycles): New function. (get_reassociation_width): Likewise. (swap_ops_for_binary_stmt): Likewise. (rewrite_expr_tree_parallel): Likewise. (rewrite_expr_tree): Refactored. Part of code moved into swap_ops_for_binary_stmt. (reassociate_bb): Now checks reassociation width to be used and call rewrite_expr_tree_parallel instead of rewrite_expr_tree if needed. gcc/testsuite/ 2011-09-06 Enkovich Ilya <ilya.enkovich@intel.com> * gcc.dg/tree-ssa/pr38533.c (dg-options): Added option --param tree-reassoc-width=1. * gcc.dg/tree-ssa/reassoc-24.c: New test. * gcc.dg/tree-ssa/reassoc-25.c: Likewise. From-SVN: r178602
2011-09-06re PR target/47025 (Dead stores in variadic functions not eliminated)Richard Guenther4-16/+51
2011-09-06 Richard Guenther <rguenther@suse.de> PR tree-optimization/47025 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): BUILT_IN_VA_END uses nothing. (call_may_clobber_ref_p_1): BUILT_IN_VA_END is a barrier like BUILT_IN_FREE. (stmt_kills_ref_p_1): BUILT_IN_VA_END kills what its argument definitely points to. * tree-ssa-structalias.c (find_func_aliases_for_builtin_call): BUILT_IN_VA_START doesn't let its va_list argument escape. * tree-ssa-dce.c (propagate_necessity): BUILT_IN_VA_END does not make any previous stores necessary. From-SVN: r178601
generated by cgit v1.1 at 2025-09-20 18:43:28 +0000