SW_R21             96 arch/nios2/include/asm/entry.h 	stw	r21, SW_R21(sp)
SW_R21            110 arch/nios2/include/asm/entry.h 	ldw	r21, SW_R21(sp)
SW_R21             59 arch/nios2/kernel/asm-offsets.c 	OFFSET(SW_R21, switch_stack, r21);