Auto               54 arch/arc/include/asm/entry-arcv2.h 	;   3. Auto save: (mandatory) Push PC and STAT32 on stack
Auto               56 arch/arc/include/asm/entry-arcv2.h 	;   4. Auto save: (optional) r0-r11, blink, LPE,LPS,LPC, JLI,LDI,EI
Auto              143 arch/arc/include/asm/entry-arcv2.h 	; Auto stack switch works