SL_R12             40 arch/powerpc/kernel/swsusp_32.S #define SL_R12		0xb4	/* r12 to r31 */
SL_R12             37 arch/powerpc/kernel/swsusp_booke.S #define SL_R12		0x44	/* r12 to r31 */
SL_R12             47 arch/powerpc/platforms/powermac/sleep.S #define SL_R12		0xb0	/* r12 to r31 */