2008-06-12 Paul Brook <paul@codesourcery.com>

[pf3gnuchains/gcc-fork.git] / gcc / longlong.h

diff --git a/gcc/longlong.h b/gcc/longlong.h
index 38b4c6f..45a95c4 100644 (file)
--- a/gcc/longlong.h
+++ b/gcc/longlong.h
@@ -226,6 +226,12 @@ UDItype __umulsidi3 (USItype, USItype);
 #define UDIV_TIME 100
 #endif /* __arm__ */
 
+#if defined(__arm__)
+/* Let gcc decide how best to implement count_leading_zeros.  */
+#define count_leading_zeros(COUNT,X)   ((COUNT) = __builtin_clz (X))
+#define COUNT_LEADING_ZEROS_0 32
+#endif
+
 #if defined (__CRIS__) && __CRIS_arch_version >= 3
 #define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clz (X))
 #if __CRIS_arch_version >= 8