EXTRQ

SSE SSE4A x86_64

2 encoding forms.

X86_EXTRQ_X86_LEGACY_0F_78_185600
xmm, imm8, imm8
X86_LEGACY 78 /0 SSE4A
X86_EXTRQ_X86_LEGACY_0F_79_299189
xmm, xmm
X86_LEGACY 79 /r SSE4A