simply rewriting this into "res += -x[i]". Avoid changing
gimple instruction for the first simple tests and only do this
if we're allowed to change code at all. */
- if (code == MINUS_EXPR && modify)
+ if (code == MINUS_EXPR
+ && modify
+ && (op1 = gimple_assign_rhs1 (def_stmt))
+ && TREE_CODE (op1) == SSA_NAME
+ && SSA_NAME_DEF_STMT (op1) == phi)
code = PLUS_EXPR;
if (check_reduction
VEC (tree, heap) *vec_oprnds0 = NULL, *vec_oprnds1 = NULL, *vect_defs = NULL;
VEC (gimple, heap) *phis = NULL;
int vec_num;
- tree def0, def1;
+ tree def0, def1, tem;
if (nested_in_vect_loop_p (loop, stmt))
{
reduction variable. */
for (i = 0; i < op_type-1; i++)
{
- tree tem;
-
/* The condition of COND_EXPR is checked in vectorizable_condition(). */
if (i == 0 && code == COND_EXPR)
continue;
}
}
- is_simple_use = vect_is_simple_use (ops[i], loop_vinfo, NULL, &def_stmt,
- &def, &dt);
+ is_simple_use = vect_is_simple_use_1 (ops[i], loop_vinfo, NULL, &def_stmt,
+ &def, &dt, &tem);
+ if (!vectype_in)
+ vectype_in = tem;
gcc_assert (is_simple_use);
gcc_assert (dt == vect_reduction_def
|| dt == vect_nested_cycle