Hi Richard,
> Please file a bugreport so this issue doesn't get lost.
I was struggling to reproduce it on a recent toolchain, but I managed to take
one of the gcc test cases and recreate it I think. I submitted
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117383
Thanks,
Anton
On Thu, Oct 31, 2024 at 3:55 AM Anton Blanchard via Gcc wrote:
>
> Hi,
>
> I think gcc is relying on undefined behaviour with the vcompress instruction.
> Unfortunately my test case isn't reproducing on mainline, but gcc looks to
> use the fields between the last mask selected field and vl while s
> Hi,
>
> I think gcc is relying on undefined behaviour with the vcompress instruction.
> Unfortunately my test case isn't reproducing on mainline, but gcc looks to
> use the fields between the last mask selected field and vl while setting
> tail agnostic.
>
> This thread explains how vcompress is
Hi,
I think gcc is relying on undefined behaviour with the vcompress instruction.
Unfortunately my test case isn't reproducing on mainline, but gcc looks to
use the fields between the last mask selected field and vl while setting
tail agnostic.
This thread explains how vcompress is different in t
