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authorDorit Nuzman <dorit@il.ibm.com>2005-09-19 14:54:28 +0000
committerDorit Nuzman <dorit@gcc.gnu.org>2005-09-19 14:54:28 +0000
commit3c7d0735f564a48ea13b5246c5675cabaf53d0c6 (patch)
tree2900f810d56e7c95c656926bb2065f9957bcf714 /gcc/tree-vectorizer.c
parent99c09897c242936f17490c0340ac272fc90b67f0 (diff)
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tree-ssa-operands.c (swap_tree_operands): Export.
* tree-ssa-operands.c (swap_tree_operands): Export. * tree.h (swap_tree_operands): Declare. * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED. Call swap_tree_operands. From-SVN: r104421
Diffstat (limited to 'gcc/tree-vectorizer.c')
-rw-r--r--gcc/tree-vectorizer.c18
1 files changed, 3 insertions, 15 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c
index 1e415cb..bc0f11e 100644
--- a/gcc/tree-vectorizer.c
+++ b/gcc/tree-vectorizer.c
@@ -1787,8 +1787,7 @@ reduction_code_for_scalar_code (enum tree_code code,
Conditions 2,3 are tested in vect_mark_stmts_to_be_vectorized. */
tree
-vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED,
- tree phi ATTRIBUTE_UNUSED)
+vect_is_simple_reduction (struct loop *loop, tree phi)
{
edge latch_e = loop_latch_edge (loop);
tree loop_arg = PHI_ARG_DEF_FROM_EDGE (phi, latch_e);
@@ -1930,9 +1929,6 @@ vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED,
&& flow_bb_inside_loop_p (loop, bb_for_stmt (def2))
&& def1 == phi)
{
- use_operand_p use;
- ssa_op_iter iter;
-
/* Swap operands (just for simplicity - so that the rest of the code
can assume that the reduction variable is always the last (second)
argument). */
@@ -1941,16 +1937,8 @@ vect_is_simple_reduction (struct loop *loop ATTRIBUTE_UNUSED,
fprintf (vect_dump, "detected reduction: need to swap operands:");
print_generic_expr (vect_dump, operation, TDF_SLIM);
}
-
- /* CHECKME */
- FOR_EACH_SSA_USE_OPERAND (use, def_stmt, iter, SSA_OP_USE)
- {
- tree tuse = USE_FROM_PTR (use);
- if (tuse == op1)
- SET_USE (use, op2);
- else if (tuse == op2)
- SET_USE (use, op1);
- }
+ swap_tree_operands (def_stmt, &TREE_OPERAND (operation, 0),
+ &TREE_OPERAND (operation, 1));
return def_stmt;
}
else