ABM popcount intrinsics.

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / abmintrin.h

diff --git a/gcc/config/i386/abmintrin.h b/gcc/config/i386/abmintrin.h
index 6c77b3c..317bb98 100644 (file)
--- a/gcc/config/i386/abmintrin.h
+++ b/gcc/config/i386/abmintrin.h
@@ -33,4 +33,19 @@
 #define _ABMINTRIN_H_INCLUDED
 
 
+/* Calculate a number of bits set to 1.  */
+extern __inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_popcnt_u32 (unsigned int __X)
+{
+  return __builtin_popcount (__X);
+}
+
+#ifdef __x86_64__
+extern __inline long long  __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_popcnt_u64 (unsigned long long __X)
+{
+  return __builtin_popcountll (__X);
+}
+#endif
+
 #endif /* _ABMINTRIN_H_INCLUDED */