From: Andreas Schwab <schwab@suse.de>
Date: Wed, 2 Apr 2003 09:13:33 +0000 (+0000)
Subject: * real.c (decode_ieee_single): Fix decoding of SNaN bit.
X-Git-Tag: releases/gcc-3.4.0~7521
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f875310e629cffdc8dcd96df933c180755fa292a;p=thirdparty%2Fgcc.git

* real.c (decode_ieee_single): Fix decoding of SNaN bit.

From-SVN: r65161
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a25207869af7..3ec6e47dcb83 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-04-02  Andreas Schwab  <schwab@suse.de>
+
+	* real.c (decode_ieee_single): Fix decoding of SNaN bit.
+
 2003-04-01  Richard Henderson  <rth@redhat.com>
 
         * except.c (convert_from_eh_region_ranges_1): Smash REG_EH_REGION
diff --git a/gcc/real.c b/gcc/real.c
index 74f430c29ae4..c79dd288b62d 100644
--- a/gcc/real.c
+++ b/gcc/real.c
@@ -2705,7 +2705,8 @@ decode_ieee_single (fmt, r, buf)
 	{
 	  r->class = rvc_nan;
 	  r->sign = sign;
-	  r->signalling = ((image >> 22) & 1) ^ fmt->qnan_msb_set;
+	  r->signalling = (((image >> (HOST_BITS_PER_LONG - 2)) & 1)
+			   ^ fmt->qnan_msb_set);
 	  r->sig[SIGSZ-1] = image;
 	}
       else