X86_SIB_INDEX 66 arch/x86/include/asm/insn.h #define X86_SIB_INDEX(sib) (((sib) & 0x38) >> 3) X86_SIB_INDEX 66 tools/arch/x86/include/asm/insn.h #define X86_SIB_INDEX(sib) (((sib) & 0x38) >> 3)