_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);