From: Alan Modra <amodra@bigpond.net.au>
Date: Wed, 9 Oct 2002 00:33:12 +0000 (+0000)
Subject: * libgcc2.c (__floatdisf): Properly cure double rounding.
X-Git-Tag: releases/gcc-3.2.1~188
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=926e8f0ff187cc771c25ed1fbca3661af934ff57;p=thirdparty%2Fgcc.git

* libgcc2.c (__floatdisf): Properly cure double rounding.

From-SVN: r57967
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7508be747dad..e0331a12456e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2002-10-09  Alan Modra  <amodra@bigpond.net.au>
+
+	* libgcc2.c (__floatdisf): Properly cure double rounding.
+
 2002-10-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 
 	PR doc/7484
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c
index 4effc46e56e0..dd5eee7dbb52 100644
--- a/gcc/libgcc2.c
+++ b/gcc/libgcc2.c
@@ -1,7 +1,7 @@
 /* More subroutines needed by GCC output code on some machines.  */
 /* Compile this one with gcc.  */
 /* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001  Free Software Foundation, Inc.
+   2000, 2001, 2002  Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -1115,7 +1115,10 @@ __floatdisf (DWtype u)
 	     && u < ((DWtype) 1 << DF_SIZE)))
 	{
 	  if ((UDWtype) u & (REP_BIT - 1))
-	    u |= REP_BIT;
+	    {
+	      u &= ~ (REP_BIT - 1);
+	      u |= REP_BIT;
+	    }
 	}
     }
   f = (Wtype) (u >> WORD_SIZE);