PMOVSXBW

SSE SSE4 x86_64

2 encoding forms.

X86_PMOVSXBW_X86_LEGACY_0F38_20_488685
xmm, xmm[63:0]/m64
X86_LEGACY 20 /r SSE4_1
XED_PMOVSXBW_X86_LEGACY_0F38_20_238654
REG0=XMM_R():w:dq:i16 MEM0:r:q:i8 REG0=XMM_R():w:dq:i16 REG1=XMM_B():r:q:i8
X86_LEGACY 20 0F 38 20 /r SSE4