[Bug target/124271] x86/AVX2: missed simplification — low32×low32→u64 vectorized multiply expands to generic u64-mul sequence instead of single vpmuludq

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124271

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Hongtao Liu from comment #9)

One more comment before I forget, I think BYTES_BIG_ENDIAN should be using
vec_widen_mult_odd rather than vec_widen_mult_even .