PSHUFB
SSSE3
128-bit XMM
Preset:
Identity
Reverse
Broadcast [0]
Rotate +4
Zero all
Pack evens
Packed byte shuffle — dst[i] = src[mask[i] & 0x0F], or 0x00 if mask[i] bit 7 is set
src
click a byte to edit
mask
left-click: cycle 0–15 · right-click: toggle 0x80
dst
Hover over any cell to inspect the shuffle.