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-rw-r--r--ChangeLog3
-rw-r--r--sysdeps/ieee754/dbl-64/mpa.c5
2 files changed, 6 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index d61c22207a..bca6ba7a3f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2015-05-21  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/ieee754/dbl-64/mpa.c (norm): Remove if condition on
+	(p == 4) case.
+
 	* conform/linknamespace.pl (@whitelist): Add re_syntax_options.
 	* conform/Makefile (test-xfail-UNIX98/regex.h/linknamespace):
 	Remove variable.
diff --git a/sysdeps/ieee754/dbl-64/mpa.c b/sysdeps/ieee754/dbl-64/mpa.c
index 7d6b0c5a23..7b52da91d5 100644
--- a/sysdeps/ieee754/dbl-64/mpa.c
+++ b/sysdeps/ieee754/dbl-64/mpa.c
@@ -119,7 +119,8 @@ __cpy (const mp_no *x, mp_no *y, int p)
 
 #ifndef NO___MP_DBL
 /* Convert a multiple precision number *X into a double precision
-   number *Y, normalized case  (|x| >= 2**(-1022))).  */
+   number *Y, normalized case (|x| >= 2**(-1022))).  X has precision
+   P, which is positive.  */
 static void
 norm (const mp_no *x, double *y, int p)
 {
@@ -135,7 +136,7 @@ norm (const mp_no *x, double *y, int p)
 	c = X[1] + R * X[2];
       else if (p == 3)
 	c = X[1] + R * (X[2] + R * X[3]);
-      else if (p == 4)
+      else /* p == 4.  */
 	c = (X[1] + R * X[2]) + R * R * (X[3] + R * X[4]);
     }
   else