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-rw-r--r--gcc/tree-vect-loop.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
index 113dc0f..b322213 100644
--- a/gcc/tree-vect-loop.c
+++ b/gcc/tree-vect-loop.c
@@ -1705,8 +1705,13 @@ vect_is_simple_reduction (loop_vec_info loop_info, gimple phi,
return NULL;
}
- op3 = TREE_OPERAND (TREE_OPERAND (gimple_assign_rhs1 (def_stmt), 0), 0);
- op4 = TREE_OPERAND (TREE_OPERAND (gimple_assign_rhs1 (def_stmt), 0), 1);
+ op3 = TREE_OPERAND (gimple_assign_rhs1 (def_stmt), 0);
+ if (COMPARISON_CLASS_P (op3))
+ {
+ op4 = TREE_OPERAND (op3, 1);
+ op3 = TREE_OPERAND (op3, 0);
+ }
+
op1 = TREE_OPERAND (gimple_assign_rhs1 (def_stmt), 1);
op2 = TREE_OPERAND (gimple_assign_rhs1 (def_stmt), 2);
@@ -1750,10 +1755,14 @@ vect_is_simple_reduction (loop_vec_info loop_info, gimple phi,
print_generic_expr (vect_dump, TREE_TYPE (op1), TDF_SLIM);
fprintf (vect_dump, ",");
print_generic_expr (vect_dump, TREE_TYPE (op2), TDF_SLIM);
- if (op3 && op4)
+ if (op3)
{
fprintf (vect_dump, ",");
print_generic_expr (vect_dump, TREE_TYPE (op3), TDF_SLIM);
+ }
+
+ if (op4)
+ {
fprintf (vect_dump, ",");
print_generic_expr (vect_dump, TREE_TYPE (op4), TDF_SLIM);
}