_IA64_REG_SP       50 arch/ia64/include/uapi/asm/gcc_intrin.h 	    case _IA64_REG_SP:							\
_IA64_REG_SP       88 arch/ia64/include/uapi/asm/gcc_intrin.h 	case _IA64_REG_SP:							\
_IA64_REG_SP      455 arch/ia64/kernel/irq_ia64.c 		sp = ia64_getreg(_IA64_REG_SP);