Blackfin arch: make sure cycles is marked as volatile so gcc doesnt r…

…eorder on us Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
git-mirror · Oct 16, 2008 · 1390da4 · 1390da4
1 parent ed061b7
commit 1390da4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/blackfin/include/asm/timex.h b/arch/blackfin/include/asm/timex.h
@@ -16,7 +16,7 @@ typedef unsigned long long cycles_t;
 static inline cycles_t get_cycles(void)
 {
 	unsigned long tmp, tmp2;
-	__asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
+	__asm__ __volatile__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
 	return tmp | ((cycles_t)tmp2 << 32);
 }