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diff --git a/source/f128M_mulAdd.c b/source/f128M_mulAdd.c
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+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California
+(Regents).  All Rights Reserved.  Redistribution and use in source and binary
+forms, with or without modification, are permitted provided that the following
+conditions are met:
+
+Redistributions of source code must retain the above copyright notice,
+this list of conditions, and the following two paragraphs of disclaimer.
+Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions, and the following two paragraphs of disclaimer in the
+documentation and/or other materials provided with the distribution.  Neither
+the name of the Regents nor the names of its contributors may be used to
+endorse or promote products derived from this software without specific prior
+written permission.
+
+IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
+SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING
+OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS
+BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED
+HEREUNDER IS PROVIDED "AS IS".  REGENTS HAS NO OBLIGATION TO PROVIDE
+MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
+=============================================================================*/
+
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "softfloat.h"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+void
+ f128M_mulAdd(
+     const float128_t *aPtr,
+     const float128_t *bPtr,
+     const float128_t *cPtr,
+     float128_t *zPtr
+ )
+{
+    const uint64_t *aWPtr, *bWPtr, *cWPtr;
+    uint_fast64_t uiA64, uiA0;
+    uint_fast64_t uiB64, uiB0;
+    uint_fast64_t uiC64, uiC0;
+
+    aWPtr = (const uint64_t *) aPtr;
+    bWPtr = (const uint64_t *) bPtr;
+    cWPtr = (const uint64_t *) cPtr;
+    uiA64 = aWPtr[indexWord( 2, 1 )];
+    uiA0  = aWPtr[indexWord( 2, 0 )];
+    uiB64 = bWPtr[indexWord( 2, 1 )];
+    uiB0  = bWPtr[indexWord( 2, 0 )];
+    uiC64 = cWPtr[indexWord( 2, 1 )];
+    uiC0  = cWPtr[indexWord( 2, 0 )];
+    *zPtr = softfloat_mulAddF128( uiA64, uiA0, uiB64, uiB0, uiC64, uiC0, 0 );
+
+}
+
+#else
+
+void
+ f128M_mulAdd(
+     const float128_t *aPtr,
+     const float128_t *bPtr,
+     const float128_t *cPtr,
+     float128_t *zPtr
+ )
+{
+
+    softfloat_mulAddF128M(
+        (const uint32_t *) aPtr,
+        (const uint32_t *) bPtr,
+        (const uint32_t *) cPtr,
+        (uint32_t *) zPtr,
+        0
+    );
+
+}
+
+#endif
+