shorten _mm256_cmp[gl]t_epu32 implementation by using vxorps instead of the 128-bit vpxor
shorten _mm256_cmp[gl]t_epu32 implementation by using vxorps instead of the 128-bit vpxor

chr-engwer/Vc,VcDevel/Vc,chr-engwer/Vc,VcDevel/Vc,VcDevel/Vc,VcDevel/Vc,chr-engwer/Vc