PSUBB

MMX PENTIUMMMX x86_64

4 encoding forms.

X86_PSUBB_X86_LEGACY_0F_F8_242698
mm, mm/m64
X86_LEGACY F8 /r MMX
X86_PSUBB_X86_LEGACY_0F_F8_898451
xmm, xmm/m128
X86_LEGACY F8 /r SSE2
XED_PSUBB_X86_LEGACY_0F_F8_914156
REG0=XMM_R():rw:dq MEM0:r:dq REG0=XMM_R():rw:dq REG1=XMM_B():r:dq
X86_LEGACY F8 0F F8 /r SSE2
XED_PSUBB_X86_LEGACY_0F_F8_941112
REG0=MMX_R():rw:q MEM0:r:q REG0=MMX_R():rw:q REG1=MMX_B():r:q
X86_LEGACY F8 0F F8 /r PENTIUMMMX