X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Farch-ppc.h;h=aed41f9bad6d53d6ee06978f95e8e1d131ce4a8a;hb=92060d6c59f1848e86cd9ddd7550907c79bda3d5;hp=0f043bce5348731a6c5ec3775ded5b027aa715c4;hpb=ddc0cc31a2b75b1c7dde870c8867af11fa44db92;p=fio.git diff --git a/arch/arch-ppc.h b/arch/arch-ppc.h index 0f043bce..aed41f9b 100644 --- a/arch/arch-ppc.h +++ b/arch/arch-ppc.h @@ -33,18 +33,24 @@ #define write_barrier() __asm__ __volatile__ ("sync" : : : "memory") +#ifdef __powerpc64__ +#define PPC_CNTLZL "cntlzd" +#else +#define PPC_CNTLZL "cntlzw" +#endif + static inline int __ilog2(unsigned long bitmask) { int lz; - asm ("cntlzw %0,%1" : "=r" (lz) : "r" (bitmask)); - return 31 - lz; + asm (PPC_CNTLZL " %0,%1" : "=r" (lz) : "r" (bitmask)); + return BITS_PER_LONG - 1 - lz; } static inline int arch_ffz(unsigned long bitmask) { if ((bitmask = ~bitmask) == 0) - return 32; + return BITS_PER_LONG; return __ilog2(bitmask & -bitmask); } @@ -82,6 +88,7 @@ static inline unsigned long long get_cpu_clock(void) return ret; } +#if 0 static void atb_child(void) { arch_flags |= ARCH_FLAG_1; @@ -106,6 +113,7 @@ static void atb_clocktest(void) arch_flags |= ARCH_FLAG_1; } } +#endif #define ARCH_HAVE_INIT extern int tsc_reliable;