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From: Aurelien Jarno <aurelien@aurel32.net>
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Date: Sat, 13 Dec 2008 11:46:16 +0000
Subject: [Qemu-devel] [6002] softfloat-native: add float32_is_nan()
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Revision: 6002
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6002
Author:   aurel32
Date:     2008-12-13 11:46:15 +0000 (Sat, 13 Dec 2008)

Log Message:
-----------
softfloat-native: add float32_is_nan()

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

Modified Paths:
--------------
    trunk/fpu/softfloat-native.c
    trunk/fpu/softfloat-native.h

Modified: trunk/fpu/softfloat-native.c
===================================================================
--- trunk/fpu/softfloat-native.c	2008-12-13 11:37:02 UTC (rev 6001)
+++ trunk/fpu/softfloat-native.c	2008-12-13 11:46:15 UTC (rev 6002)
@@ -250,6 +250,15 @@
     return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
 }
 
+int float32_is_nan( float32 a1 )
+{
+    float32u u;
+    uint64_t a;
+    u.f = a1;
+    a = u.i;
+    return ( 0xFF800000 < ( a<<1 ) );
+}
+
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE double-precision conversion routines.
 *----------------------------------------------------------------------------*/

Modified: trunk/fpu/softfloat-native.h
===================================================================
--- trunk/fpu/softfloat-native.h	2008-12-13 11:37:02 UTC (rev 6001)
+++ trunk/fpu/softfloat-native.h	2008-12-13 11:46:15 UTC (rev 6002)
@@ -246,6 +246,7 @@
 int float32_compare( float32, float32 STATUS_PARAM );
 int float32_compare_quiet( float32, float32 STATUS_PARAM );
 int float32_is_signaling_nan( float32 );
+int float32_is_nan( float32 );
 
 INLINE float32 float32_abs(float32 a)
 {