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authorIngo Molnar <mingo@elte.hu>2010-08-31 09:45:21 +0200
committerIngo Molnar <mingo@elte.hu>2010-08-31 09:45:46 +0200
commitdaab7fc734a53fdeaf844b7c03053118ad1769da (patch)
tree575deb3cdcc6dda562acaed6f7c29bc81ae01cf2 /arch/mips/include/asm/arch_hweight.h
parent774ea0bcb27f57b6fd521b3b6c43237782fed4b9 (diff)
parent2bfc96a127bc1cc94d26bfaa40159966064f9c8c (diff)
Merge commit 'v2.6.36-rc3' into x86/memblock
Conflicts: arch/x86/kernel/trampoline.c mm/memblock.c Merge reason: Resolve the conflicts, update to latest upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/mips/include/asm/arch_hweight.h')
-rw-r--r--arch/mips/include/asm/arch_hweight.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/mips/include/asm/arch_hweight.h b/arch/mips/include/asm/arch_hweight.h
new file mode 100644
index 00000000000..712a7445ee9
--- /dev/null
+++ b/arch/mips/include/asm/arch_hweight.h
@@ -0,0 +1,38 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+#ifndef _ASM_ARCH_HWEIGHT_H
+#define _ASM_ARCH_HWEIGHT_H
+
+#ifdef ARCH_HAS_USABLE_BUILTIN_POPCOUNT
+
+#include <asm/types.h>
+
+static inline unsigned int __arch_hweight32(unsigned int w)
+{
+ return __builtin_popcount(w);
+}
+
+static inline unsigned int __arch_hweight16(unsigned int w)
+{
+ return __builtin_popcount(w & 0xffff);
+}
+
+static inline unsigned int __arch_hweight8(unsigned int w)
+{
+ return __builtin_popcount(w & 0xff);
+}
+
+static inline unsigned long __arch_hweight64(__u64 w)
+{
+ return __builtin_popcountll(w);
+}
+
+#else
+#include <asm-generic/bitops/arch_hweight.h>
+#endif
+
+#endif /* _ASM_ARCH_HWEIGHT_H */