https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81389
--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to rockeet from comment #3)
> @Martin Liška Yes, my use case is:
>
> __m128i key128 = { key }; // key is an unsigned char
> int idx = _mm_cmpestri(key128, 1,
> *(const __m128i*)(data), // don't require memory align
> len,
> _SIDD_UBYTE_OPS|_SIDD_CMP_EQUAL_ORDERED|_SIDD_LEAST_SIGNIFICANT);
>
> // ....
You should load the unaligned data using one of the loadu intrinsics and pass
that to _mm_cmpestri. When optimizing, it should generate the code you want,
but in a safe way.
