SW_R20             95 arch/nios2/include/asm/entry.h 	stw	r20, SW_R20(sp)
SW_R20            109 arch/nios2/include/asm/entry.h 	ldw	r20, SW_R20(sp)
SW_R20             58 arch/nios2/kernel/asm-offsets.c 	OFFSET(SW_R20, switch_stack, r20);