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diff --git a/src/libs/softfloat-3e/source/8086-SSE/s_propagateNaNF128M.c b/src/libs/softfloat-3e/source/8086-SSE/s_propagateNaNF128M.c
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+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3e, 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 "internals.h"
+#include "specialize.h"
+#include "softfloat.h"
+
+/*----------------------------------------------------------------------------
+| Assuming at least one of the two 128-bit floating-point values pointed to by
+| `aWPtr' and `bWPtr' is a NaN, stores the combined NaN result at the location
+| pointed to by `zWPtr'. If either original floating-point value is a
+| signaling NaN, the invalid exception is raised. Each of `aWPtr', `bWPtr',
+| and `zWPtr' points to an array of four 32-bit elements that concatenate in
+| the platform's normal endian order to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_propagateNaNF128M(
+ const uint32_t *aWPtr, const uint32_t *bWPtr, uint32_t *zWPtr SOFTFLOAT_STATE_DECL_COMMA )
+{
+ bool isSigNaNA;
+ const uint32_t *ptr;
+
+ ptr = aWPtr;
+ isSigNaNA = f128M_isSignalingNaN( (const float128_t *) aWPtr );
+ if (
+ isSigNaNA
+ || (bWPtr && f128M_isSignalingNaN( (const float128_t *) bWPtr ))
+ ) {
+ softfloat_raiseFlags( softfloat_flag_invalid SOFTFLOAT_STATE_ARG_COMMA );
+ if ( isSigNaNA ) goto copy;
+ }
+ if ( ! softfloat_isNaNF128M( aWPtr ) ) ptr = bWPtr;
+ copy:
+ zWPtr[indexWordHi( 4 )] = ptr[indexWordHi( 4 )] | 0x00008000;
+ zWPtr[indexWord( 4, 2 )] = ptr[indexWord( 4, 2 )];
+ zWPtr[indexWord( 4, 1 )] = ptr[indexWord( 4, 1 )];
+ zWPtr[indexWord( 4, 0 )] = ptr[indexWord( 4, 0 )];
+
+}
+