On Mon, 18 Feb 2013, Jakub Jelinek wrote:
> Hi!
>
> On the following testcase, a = a / 8; looks like reasonable reduction
> statement, but we pattern recognize it as
> patt_1 = a < 0 ? 7 : 0;
> patt_2 = a + patt_1;
> a = patt2 >> 3;
> and in the first pattern stmt the reduction operand is in the
Hi!
On the following testcase, a = a / 8; looks like reasonable reduction
statement, but we pattern recognize it as
patt_1 = a < 0 ? 7 : 0;
patt_2 = a + patt_1;
a = patt2 >> 3;
and in the first pattern stmt the reduction operand is in the condition of
COND_EXPR, not operands as vectorizable_reduct
