__r18 639 arch/alpha/kernel/core_marvel.c register unsigned long __r18 __asm__("$18") = rtc_access->data; __r18 643 arch/alpha/kernel/core_marvel.c : "=r"(__r16), "=r"(__r17), "=r"(__r18), "=r"(__r0) __r18 644 arch/alpha/kernel/core_marvel.c : "i"(PAL_cserve), "0"(__r16), "1"(__r17), "2"(__r18)