Richard Biener writes:
> On Thu, Feb 3, 2022 at 11:52 AM Richard Sandiford via Gcc-patches
> wrote:
>>
>> After the fix for PR102659, the vectoriser can no longer group
>> conditional accesses of the form:
>>
>> for (int i = 0; i < n; ++i)
>> if (...)
>> ...a[i * 2] + a[i * 2 + 1]...;
On Thu, Feb 3, 2022 at 11:52 AM Richard Sandiford via Gcc-patches
wrote:
>
> After the fix for PR102659, the vectoriser can no longer group
> conditional accesses of the form:
>
> for (int i = 0; i < n; ++i)
> if (...)
> ...a[i * 2] + a[i * 2 + 1]...;
>
> on LP64 targets. It has to tr
After the fix for PR102659, the vectoriser can no longer group
conditional accesses of the form:
for (int i = 0; i < n; ++i)
if (...)
...a[i * 2] + a[i * 2 + 1]...;
on LP64 targets. It has to treat them as two independent
gathers instead.
This was causing failures in the sve mask_st
