2010-06-25 Sebastian Pop <sebastian.pop@amd.com>
* tree-if-conv.c (insert_gimplified_predicates): Do not insert
statements computing the true predicate.
From-SVN: r161398
2010-06-25 Sebastian Pop <sebastian.pop@amd.com>
* tree-if-conv.c (init_bb_predicate): Initialize the predicate
to boolean_true_node.
(reset_bb_predicate): New.
(predicate_bbs): Call reset_bb_predicate.
From-SVN: r161397
2010-06-25 Sebastian Pop <sebastian.pop@amd.com>
* tree-if-conv.c (combine_blocks): Remove FIXME comment.
(tree_if_conversion): Returns true when something has been changed.
(main_tree_if_conversion): Return TODO_cleanup_cfg when if-conversion
changed something.
From-SVN: r161396
2010-06-25 Sebastian Pop <sebastian.pop@amd.com>
* Makefile.in (tree-if-conv.o): Depends on DBGCNT_H.
* dbgcnt.def (if_conversion_tree): New DEBUG_COUNTER.
* tree-if-conv.c: Include dbgcnt.h.
(tree_if_conversion): Use if_conversion_tree to count the number of
if-convertible loops.
From-SVN: r161395
2010-06-25 Changpeng Fang <changpeng.fang@amd.com>
* common.opt (fprefetch-loop-arrays): Re-define
-fprefetch-loop-arrays as a tri-state option with the initial
value of -1.
* tree-ssa-loop.c (gate_tree_ssa_loop_prefetch): Invoke prefetch
pass only when flag_prefetch_loop_arrays > 0.
* toplev.c (process_options): Note that, with tri-states,
flag_prefetch_loop_arrays>0 means prefetching is enabled.
* config/i386/i386.c (override_options): Enable prefetching at -O3
for a set of CPUs that sw prefetching is helpful.
(software_prefetching_beneficial_p): New. Return TRUE if software
prefetching is beneficial for the given CPU.
From-SVN: r161391
2010-06-25 Martin Jambor <mjambor@suse.cz>
* ipa-prop.h (struct ipa_param_descriptor): Removed the modified flag.
(struct ipa_node_params): Removed the modification_analysis_done flag.
(ipa_is_param_modified): Removed.
(ipa_analyze_node): Declare.
(ipa_compute_jump_functions): Remove declaration.
(ipa_count_arguments): Likewise.
(ipa_detect_param_modifications): Likewise.
(ipa_analyze_params_uses): Likewise.
* ipa-prop.c (struct param_analysis_info): New type.
(visit_store_addr_for_mod_analysis): Removed.
(visit_load_for_mod_analysis): Renamed to visit_ref_for_mod_analysis,
moved down in the file.
(ipa_detect_param_modifications): Merged into ipa_analyze_params_uses.
(ipa_count_arguments): Made static.
(mark_modified): New function.
(is_parm_modified_before_call): New function.
(compute_pass_through_member_ptrs): New parameter parms_info, call
is_parm_modified_before_call instead of ipa_is_param_modified.
(ipa_compute_jump_functions_for_edge): New parameter parms_info, pass
it to compute_pass_through_member_ptrs.
(ipa_compute_jump_functions): New parameter parms_info, pass it to
ipa_compute_jump_functions_for_edge. Call ipa_initialize_node_params
on the callee if it is analyzed. Made static.
(ipa_analyze_indirect_call_uses): New parameter parms_info, call
is_parm_modified_before_call instead of ipa_is_param_modified.
(ipa_analyze_call_uses): New parameter parms_info, pass it to
ipa_analyze_indirect_call_uses.
(ipa_analyze_stmt_uses): New parameter parms_info, pass it to
ipa_analyze_call_uses.
(ipa_analyze_params_uses): New parameter parms_info, pass it to
ipa_analyze_stmt_uses. Also perform the used analysis. Made static.
(ipa_analyze_node): New function.
(ipa_print_node_params): Do not dump the modified flag.
(ipa_write_node_info): Assert uses_analysis_done rather than streaming
it. Do not stream the modified parameter flag.
(ipa_read_node_info): Set uses_analysis_done to 1 instead of streaming
it. Do not stream the modified parameter flag.
* ipa-cp.c (ipcp_analyze_node): Removed.
(ipcp_init_stage): Iterate only once over the nodes, analyze each one
with only a call to ipa_analyze_node.
* ipa-inline.c (inline_indirect_intraprocedural_analysis): Analyze the
node with only a call to ipa_analyze_node.
* testsuite/g++.dg/ipa/iinline-3.C: New test.
* testsuite/gcc.dg/ipa/modif-1.c: Removed.
From-SVN: r161384
2010-06-25 Martin Jambor <mjambor@suse.cz>
* ipa-prop.c (determine_cst_member_ptr): Ignore non-clobbering
statements instead of bailing out on them.
(ipa_analyze_indirect_call_uses): Do not require that loads from the
parameter are in the same BB as the condition. Update comments.
* testsuite/g++.dg/ipa/iinline-2.C: New test.
From-SVN: r161377
PR middle-end/43866
* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): If stmt is always
true or always false, return NULL_TREE.
(tree_unswitch_single_loop): Optimize conditions even when reaching
max-unswitch-level parameter. If num > 0, optimize first all conditions
using entry checks, then do still reachable block discovery and consider
only conditions in still reachable basic blocks in the loop.
* gfortran.dg/pr43866.f90: New test.
From-SVN: r161375
PR tree-optimization/44539
* tree-cfgcleanup.c (fixup_noreturn_call): Call update_stmt even when
the call doesn't have LHS, but has VDEF.
* gcc.dg/pr44539.c: New test.
From-SVN: r161374
2010-06-25 Paolo Carlini <paolo.carlini@oracle.com>
* include/profile/impl/profiler_trace.h: Uglify it to __it, use
everywhere std::size_t instead of size_t.
From-SVN: r161368
PR target/43902
* tree-pretty-print.c (dump_generic_node, op_code_prio): Add
WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
* optabs.c (optab_for_tree_code): Likewise.
(expand_widen_pattern_expr): Likewise.
* tree-ssa-math-opts.c (convert_mult_to_widen): New function, broken
out of execute_optimize_widening_mul.
(convert_plusminus_to_widen): New function.
(execute_optimize_widening_mul): Use the two new functions.
* expr.c (expand_expr_real_2): Add support for GIMPLE_TERNARY_RHS.
Remove code to generate widening multiply-accumulate. Add support
for WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
* gimple-pretty-print.c (dump_ternary_rhs): New function.
(dump_gimple_assign): Call it when appropriate.
* tree.def (WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR): New codes.
* cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
(expand_gimple_stmt_1): Likewise.
(expand_debug_expr): Support WIDEN_MULT_PLUS_EXPR and
WIDEN_MULT_MINUS_EXPR.
* tree-ssa-operands.c (get_expr_operands): Likewise.
* tree-inline.c (estimate_operator_cost): Likewise.
* gimple.c (extract_ops_from_tree_1): Renamed from
extract_ops_from_tree. Add new arg for a third operand; fill it.
(gimple_build_assign_stat): Support operations with three operands.
(gimple_build_assign_with_ops_stat): Likewise.
(gimple_assign_set_rhs_from_tree): Likewise.
(gimple_assign_set_rhs_with_ops_1): Renamed from
gimple_assign_set_rhs_with_ops. Add new arg for a third operand.
(get_gimple_rhs_num_ops): Support GIMPLE_TERNARY_RHS.
(get_gimple_rhs_num_ops): Handle WIDEN_MULT_PLUS_EXPR and
WIDEN_MULT_MINUS_EXPR.
* gimple.h (enum gimple_rhs_class): Add GIMPLE_TERNARY_RHS.
(extract_ops_from_tree_1): Adjust declaration.
(gimple_assign_set_rhs_with_ops_1): Likewise.
(gimple_build_assign_with_ops): Pass NULL for last operand.
(gimple_build_assign_with_ops3): New macro.
(gimple_assign_rhs3, gimple_assign_rhs3_ptr, gimple_assign_set_rhs3,
gimple_assign_set_rhs_with_ops, extract_ops_from_tree): New inline
functions.
* tree-cfg.c (verify_gimple_assign_ternary): New static function.
(verify_gimple_assign): Call it.
* doc/gimple.texi (Manipulating operands): Document GIMPLE_TERNARY_RHS.
(Tuple specific accessors, subsection GIMPLE_ASSIGN): Document new
functions for dealing with three-operand statements.
* tree.c (commutative_ternary_tree_code): New function.
* tree.h (commutative_ternary_tree_code): Declare it.
* tree-vrp.c (gimple_assign_nonnegative_warnv_p): Return false for ternary
statements.
(gimple_assign_nonzero_warnv_p): Likewise.
* tree-ssa-sccvn.c (stmt_has_constants): Handle GIMPLE_TERNARY_RHS.
* tree-ssa-ccp.c (get_rhs_assign_op_for_ccp): New static function.
(ccp_fold): Use it. Handle GIMPLE_TERNARY_RHS.
* tree-ssa-dom.c (enum expr_kind): Add EXPR_TERNARY.
(struct hashtable_expr): New member ternary in the union.
(initialize_hash_element): Handle GIMPLE_TERNARY_RHS.
(hashable_expr_equal_p): Fix indentation. Handle EXPR_TERNARY.
(iterative_hash_hashable_expr): Likewise.
(print_expr_hash_elt): Handle EXPR_TERNARY.
* gimple-fold.c (fold_gimple_assign): Handle GIMPLE_TERNARY_RHS.
* tree-ssa-threadedge.c (fold_assignment_stmt): Remove useless break
statements. Handle GIMPLE_TERNARY_RHS.
testsuite/
PR target/43902
* gcc.target/mips/madd-9.c: New test.
From-SVN: r161366
gcc/
2010-06-25 Shujing Zhao <pearly.zhao@oracle.com>
PR c/44517
* c-parser.c (c_parser_parms_list_declarator): Return NULL if one of
parameters are not good.
(c_parser_parameter_declaration): Error unknown type name if the type
name can't start declaration specifiers.
gcc/testsuite/
2010-06-25 Shujing Zhao <pearly.zhao@oracle.com>
PR c/44517
* gcc.dg/noncompile/pr44517.c: New.
* gcc.dg/noncompile/990416-1.c: Adjust expected error.
From-SVN: r161363
* ira-int.h (struct live_range, live_range_t): Renamed from struct
ira_allocno_live_range and allocno_live_range_t; all uses changed.
* ira-build.c (live_range_pool): Renamed from allocno_live_range_pool.
All uses changed.
From-SVN: r161350
* ira-build.c (merge_hard_reg_conflicts): New function.
(create_cap_allocno, copy_info_to_removed_store_destinations,
propagate_some_info_from_allocno, propagate_allocno_info): Use it.
(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
(remove_unnecessary_allocnos, remove_low_level_allocnos)
copy_nifo_to_removed_store_destination): Use them.
* ira-lives.c (make_hard_regno_born): New function, split out of
make_regno_born.
(make_allocno_born): Likewise.
(make_hard_regno_dead): New function, split out of make_regno_dead.
(make_allocno_dead): Likewise.
(inc_register_pressure): New function, split out of set_allocno_live.
(dec_register_pressure): New function, split out of clear_allocno_live.
(mark_pseudo_regno_live): New function, split out of mark_reg_live.
(mark_hard_reg_live): Likewise. Use inc_register_pressure.
(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
(mark_hard_reg_dead): Likewise. Use dec_register_pressure.
(make_pseudo_conflict): Use mark_pseudo_regno_dead and
mark_pseudo_regno_live.
(process_bb_node_lives): Use mark_pseudo_regno_live,
make_hard_regno_born and make_allocno_dead.
(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
set_allocno_live, clear_allocno_live): Delete functions.
From-SVN: r161346
2010-06-24 Steve Ellcey <sje@cup.hp.com>
PR testsuite/43283
* gcc.dg/lto/20091216-1_0.c: Use newline instead of semicolon
and add argument to nop for IA64.
From-SVN: r161342