X86_MODRM_REG 62 arch/x86/include/asm/insn.h #define X86_MODRM_REG(modrm) (((modrm) & 0x38) >> 3) X86_MODRM_REG 62 tools/arch/x86/include/asm/insn.h #define X86_MODRM_REG(modrm) (((modrm) & 0x38) >> 3)