PACKSSWB

MMX PENTIUMMMX x86_64

4 encoding forms.

X86_PACKSSWB_X86_LEGACY_0F_63_898451
xmm, xmm/m128
X86_LEGACY 63 /r SSE2
XED_PACKSSWB_X86_LEGACY_0F_63_645552
REG0=MMX_R():rw:q:i16 REG1=MMX_B():r:q:i16
X86_LEGACY 63 /r PENTIUMMMX
XED_PACKSSWB_X86_LEGACY_0F_63_874425
REG0=MMX_R():rw:q:i16 MEM0:r:q:i16
X86_LEGACY 63 /r PENTIUMMMX
XED_PACKSSWB_X86_LEGACY_0F_63_964955
REG0=XMM_R():rw:dq:i16 MEM0:r:dq:i16 REG0=XMM_R():rw:dq:i16 REG1=XMM_B():r:dq:i16
X86_LEGACY 63 0F 63 /r SSE2