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diff --git a/lib/libutils/isoc/arch/arm/softfloat/source/8086-SSE/extF80M_isSignalingNaN.c b/lib/libutils/isoc/arch/arm/softfloat/source/8086-SSE/extF80M_isSignalingNaN.c
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+++ b/lib/libutils/isoc/arch/arm/softfloat/source/8086-SSE/extF80M_isSignalingNaN.c
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+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "softfloat.h"
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+bool extF80M_isSignalingNaN( const extFloat80_t *aPtr )
+{
+ const struct extFloat80M *aSPtr;
+ uint64_t uiA0;
+
+ aSPtr = (const struct extFloat80M *) aPtr;
+ if ( (aSPtr->signExp & 0x7FFF) != 0x7FFF ) return false;
+ uiA0 = aSPtr->signif;
+ return
+ ! (uiA0 & UINT64_C( 0x4000000000000000 ))
+ && (uiA0 & UINT64_C( 0x3FFFFFFFFFFFFFFF));
+
+}
+