[PATCH 09/31] Add powerpc-specific parity functions

zhaoxiu.zeng
2016-03-27T06:38:30Z

arch/powerpc/include/asm/bitops.h | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index 59abc62..90ee0f2 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -269,8 +269,15 @@ unsigned int __arch_hweight16(unsigned int w);
unsigned int __arch_hweight32(unsigned int w);
unsigned long __arch_hweight64(__u64 w);
#include <asm-generic/bitops/const_hweight.h>
+#define __arch_parity4(w) (__arch_hweight8((w) & 0xf) & 1)
+#define __arch_parity8(w) (__arch_hweight8(w) & 1)
+#define __arch_parity16(w) (__arch_hweight16(w) & 1)
+#define __arch_parity32(w) (__arch_hweight32(w) & 1)
+#define __arch_parity64(w) ((unsigned int)__arch_hweight64(w) & 1)
+#include <asm-generic/bitops/const_parity.h>
#else
#include <asm-generic/bitops/hweight.h>
+#include <asm-generic/bitops/parity.h>
#endif

#include <asm-generic/bitops/find.h>
--
2.5.5