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authordnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4>2013-11-01 20:31:32 +0000
committerdnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4>2013-11-01 20:31:32 +0000
commite85cf4e5d0d8c9388d3eaaaa606b5db4e9ed62e8 (patch)
tree9b926d72ddfbc7904a373e59872f1d07b4e4e417 /gcc/tree-ssa-phiopt.c
parentd3af0a3acf4b64d04df69c244c047c1294f72b38 (diff)
downloadgcc-e85cf4e5d0d8c9388d3eaaaa606b5db4e9ed62e8.tar.gz
Replace some heap vectors with stack vectors.
From http://gcc.gnu.org/ml/gcc-patches/2013-10/msg02735.html This patch is pretty dull, it just replaces a bunch of things of the form vec<T> x; x.create (N); // N is a constant blah blah x.release (); by stack_vec<T, N> x; blah blah 2013-11-01 Trevor Saunders <tsaunders@mozilla.com> gcc/ * function.c (reorder_blocks): Convert block_stack to a stack_vec. * gimplify.c (gimplify_compound_lval): Likewise. * graphite-clast-to-gimple.c (gloog): Likewise. * graphite-dependences.c (loop_is_parallel_p): Likewise. * graphite-scop-detection.c (scopdet_basic_block_info): Likewise. (limit_scop); Likewise. (build_scops): Likewise. (dot_scop): Likewise. * graphite-sese-to-poly.c (sese_dom_walker): Likewise. (build_scop_drs): Likewise. (insert_stmts): Likewise. (insert_out_of_ssa_copy): Likewise. (remove_phi): Likewise. (rewrite_commutative_reductions_out_of_ssa_close_phi): Likewise. * hw-doloop.c (discover_loop): Likewise. * tree-call-cdce.c (shrink_wrap_one_built_in_call): Likewise. * tree-dfa.c (dump_enumerated_decls): Likewise. * tree-if-conv.c (if_convertable_loop_p): Likewise. * tree-inline.c (tree_function_versioning): Likewise. * tree-loop-distribution.c (build_rdg): Likewise. (rdg_flag_vertex_and_dependent): Likewise. (distribute_loop): Likewise. * tree-parloops.c (loop_parallel_p): Likewise. (eliminate_local_variables): Likewise. (separate_decls_in_region): Likewise. * tree-predcom.c (tree_predictive_commoning_loop): Likewise. * tree-ssa-phiopt.c (cond_if_else_store_replacement): Likewise. * tree-ssa-uncprop.c (uncprop_dom_walker): Likewise. * tree-vect-loop.c (vect_analyze_scaler_cycles_1): Likewise. * tree-vect-patterns.c (vect_pattern_recog): Likewise. * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise. (vectorizable_condition): Likewise. gcc/cp/ * semantics.c (build_anon_member_initialization): Convert fields to be a stack_vec. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204301 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
-rw-r--r--gcc/tree-ssa-phiopt.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c
index 87aa28cbfff..ef114a01a6d 100644
--- a/gcc/tree-ssa-phiopt.c
+++ b/gcc/tree-ssa-phiopt.c
@@ -1680,7 +1680,6 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb,
data_reference_p then_dr, else_dr;
int i, j;
tree then_lhs, else_lhs;
- vec<gimple> then_stores, else_stores;
basic_block blocks[3];
if (MAX_STORES_TO_SINK == 0)
@@ -1707,8 +1706,7 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb,
}
/* Find pairs of stores with equal LHS. */
- then_stores.create (1);
- else_stores.create (1);
+ stack_vec<gimple, 1> then_stores, else_stores;
FOR_EACH_VEC_ELT (then_datarefs, i, then_dr)
{
if (DR_IS_READ (then_dr))
@@ -1746,8 +1744,6 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb,
{
free_data_refs (then_datarefs);
free_data_refs (else_datarefs);
- then_stores.release ();
- else_stores.release ();
return false;
}
@@ -1763,8 +1759,6 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb,
free_dependence_relations (else_ddrs);
free_data_refs (then_datarefs);
free_data_refs (else_datarefs);
- then_stores.release ();
- else_stores.release ();
return false;
}
blocks[0] = then_bb;
@@ -1790,8 +1784,6 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb,
free_dependence_relations (else_ddrs);
free_data_refs (then_datarefs);
free_data_refs (else_datarefs);
- then_stores.release ();
- else_stores.release ();
return false;
}
}
@@ -1814,8 +1806,6 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb,
free_dependence_relations (else_ddrs);
free_data_refs (then_datarefs);
free_data_refs (else_datarefs);
- then_stores.release ();
- else_stores.release ();
return false;
}
}
@@ -1833,8 +1823,6 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb,
free_dependence_relations (else_ddrs);
free_data_refs (then_datarefs);
free_data_refs (else_datarefs);
- then_stores.release ();
- else_stores.release ();
return ok;
}