Truncation would also work, but there's only SSSE3 pshufb, no 2-register shuffles as useful as the pack.. instructions until AVX-512. vpblendw could interleave halves of dwords in two different input registers)
Truncation would also work, but there's only SSSE3 pshufb, no 2-register shuffles as useful as the pack.. instructions until AVX-512. vpblendw could interleave halves of dwords in two different input registers)