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From: zengzhaoxiu@163.com
To: linux-kernel@vger.kernel.org
Cc: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>, Richard Henderson <rth@twiddle.net>,
        Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
        Matt Turner <mattst88@gmail.com>, linux-alpha@vger.kernel.org
Subject: [PATCH V3 03/29] Add alpha-specific parity functions
Date: Thu, 14 Apr 2016 11:05:23 +0800
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From: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>

Signed-off-by: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
---
 arch/alpha/include/asm/bitops.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
index 4bdfbd4..95a43fa 100644
--- a/arch/alpha/include/asm/bitops.h
+++ b/arch/alpha/include/asm/bitops.h
@@ -421,11 +421,38 @@ static inline unsigned int __arch_hweight8(unsigned int w)
 {
 	return __arch_hweight64(w & 0xff);
 }
+
+static inline unsigned int __arch_parity64(unsigned long w)
+{
+	return (unsigned int)__kernel_ctpop(w) & 1;
+}
+
+static inline unsigned int __arch_parity32(unsigned int w)
+{
+	return __arch_parity64(w);
+}
+
+static inline unsigned int __arch_parity16(unsigned int w)
+{
+	return __arch_parity64(w & 0xffff);
+}
+
+static inline unsigned int __arch_parity8(unsigned int w)
+{
+	return __arch_parity64(w & 0xff);
+}
+
+static inline unsigned int __arch_parity4(unsigned int w)
+{
+	return __arch_parity64(w & 0xf);
+}
 #else
 #include <asm-generic/bitops/arch_hweight.h>
+#include <asm-generic/bitops/arch_parity.h>
 #endif
 
 #include <asm-generic/bitops/const_hweight.h>
+#include <asm-generic/bitops/const_parity.h>
 
 #endif /* __KERNEL__ */
 
-- 
2.5.0