https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92611
--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Richard Biener from comment #1)
> I think Richard laid ground for this to work on x86 (it needs AVX512?),
AVX512 is not needed.
> not sure what is needed in the backend here to make V4QI -> V4SI conversions
> vectorized?
There're many expressions depends on type promotion.
Such like
void foo(int *__restrict dst, char *__restrict src1,
char *__restrict src2)
{
for(int x = 0; x < 4; x++ )
dst[x] = src1[x] + src2[x];
}
And I think it also affects pr92492.
