Merge branch 'master' of ssh://brick.kernel.dk/data/git/fio

[fio.git] / arch / arch-x86_64.h

diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h
index 457714c80506cebc0c81f5e88ceca537643ac83c..6dbeee06a6ed2999de25909287b6431828b30107 100644 (file)
--- a/arch/arch-x86_64.h
+++ b/arch/arch-x86_64.h
@@ -38,7 +38,17 @@ static inline unsigned int arch_ffz(unsigned int bitmask)
        __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
        return bitmask;
 }
        __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
        return bitmask;
 }

+
+static inline unsigned long long get_cpu_clock(void)
+{
+       unsigned int lo, hi;
+
+       __asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
+       return ((unsigned long long) hi << 32ULL) | lo;
+}
+

 #define ARCH_HAVE_FFZ
 #define ARCH_HAVE_FFZ

-#define ARCH_HAVE_SSE
+#define ARCH_HAVE_SSE4_2
+#define ARCH_HAVE_CPU_CLOCK

 
 #endif
 
 #endif