Index: ia32intrin.h
===================================================================
--- ia32intrin.h	(revision 212190)
+++ ia32intrin.h	(working copy)
@@ -256,11 +256,7 @@
 
 #define _bswap64(a)		__bswapq(a)
 #define _popcnt64(a)		__popcntq(a)
-#define _lrotl(a,b)		__rolq((a), (b))
-#define _lrotr(a,b)		__rorq((a), (b))
 #else
-#define _lrotl(a,b)		__rold((a), (b))
-#define _lrotr(a,b)		__rord((a), (b))
 
 /* Read flags register */
 extern __inline unsigned int
@@ -280,6 +276,15 @@
 
 #endif
 
+/* on LP64 systems, longs are 64bits.  Use the appropriate rotate function */
+#ifdef __LP64__
+#define _lrotl(a,b)		__rolq((a), (b))
+#define _lrotr(a,b)		__rorq((a), (b))
+#else
+#define _lrotl(a,b)		__rold((a), (b))
+#define _lrotr(a,b)		__rord((a), (b))
+#endif
+
 #define _bit_scan_forward(a)	__bsfd(a)
 #define _bit_scan_reverse(a)	__bsrd(a)
 #define _bswap(a)		__bswapd(a)