X86_VEX_X 77 arch/x86/include/asm/insn.h #define X86_VEX_X(vex) ((vex) & 0x40) /* VEX3 Byte1 */ X86_VEX_X 77 tools/arch/x86/include/asm/insn.h #define X86_VEX_X(vex) ((vex) & 0x40) /* VEX3 Byte1 */