opd2 197 arch/x86/include/asm/inst.h .macro PFX_REX opd1 opd2 W=0 opd2 203 arch/x86/include/asm/inst.h .macro MODRM mod opd1 opd2 opd2 291 arch/x86/include/asm/inst.h .macro MOVQ_R64_XMM opd1 opd2