From: H.J. Lu <hjl.tools@gmail.com>
Date: Mon, 14 May 2012 12:04:11 +0000 (-0700)
Subject: Use __builtin_clzll on int64 in __logb
X-Git-Tag: glibc-2.16-tps~359
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c044d724dc0fb61ba194d853b266f4a4dbd1329d;p=thirdparty%2Fglibc.git

Use __builtin_clzll on int64 in __logb
---

diff --git a/ChangeLog b/ChangeLog
index 5824961e960..56e19afabed 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-05-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c (__logb): Replace
+	__builtin_clzl with __builtin_clzll.
+
 2012-05-14  H.J. Lu  <hongjiu.lu@intel.com>
 
 	[BZ #14104]
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c
index 474eeef36b4..185dd05be38 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c
@@ -36,7 +36,7 @@ __logb (double x)
     return x * x;
   if (__builtin_expect (ex == 0, 0))
     {
-      int m = (ix == 0) ? 0 : __builtin_clzl (ix);
+      int m = (ix == 0) ? 0 : __builtin_clzll (ix);
       return -1022.0 + (double)(11 -m);
     }
   return (double) (ex - 1023);