X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=arch%2Farch-ia64.h;h=a8bb23a3bca6229d8fb2ca7d3d703e1c578d3c97;hp=9c8b406c1bc3e29bd495f0c5cab699e4e583203a;hb=666bf1234912c3790ff1e6204596891c6ef7180c;hpb=697a606cc0af1c39ac18998c344a522199accb36

diff --git a/arch/arch-ia64.h b/arch/arch-ia64.h
index 9c8b406c..a8bb23a3 100644
--- a/arch/arch-ia64.h
+++ b/arch/arch-ia64.h
@@ -20,5 +20,19 @@
 
 #define nop		asm volatile ("hint @pause" ::: "memory");
 #define read_barrier()	asm volatile ("mf" ::: "memory")
+#define write_barrier()	asm volatile ("mf" ::: "memory")
+
+#define ia64_popcnt(x)							\
+({									\
+	unsigned long ia64_intri_res;					\
+	asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x));		\
+	ia64_intri_res;							\
+})
+
+static inline unsigned long arch_ffz(unsigned long bitmask)
+{
+	return ia64_popcnt(bitmask & (~bitmask - 1));
+}
+#define ARCH_HAVE_FFZ
 
 #endif