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Diffstat (limited to 'include/asm-s390/timex.h')
-rw-r--r--include/asm-s390/timex.h19
1 files changed, 10 insertions, 9 deletions
diff --git a/include/asm-s390/timex.h b/include/asm-s390/timex.h
index 5d0332a4c2b..4df4a41029a 100644
--- a/include/asm-s390/timex.h
+++ b/include/asm-s390/timex.h
@@ -15,20 +15,21 @@
typedef unsigned long long cycles_t;
-static inline cycles_t get_cycles(void)
-{
- cycles_t cycles;
-
- __asm__ __volatile__ ("stck 0(%1)" : "=m" (cycles) : "a" (&cycles) : "cc");
- return cycles >> 2;
-}
-
static inline unsigned long long get_clock (void)
{
unsigned long long clk;
- __asm__ __volatile__ ("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+ asm volatile("stck %0" : "=Q" (clk) : : "cc");
+#else /* __GNUC__ */
+ asm volatile("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
+#endif /* __GNUC__ */
return clk;
}
+static inline cycles_t get_cycles(void)
+{
+ return (cycles_t) get_clock() >> 2;
+}
+
#endif