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diff --git a/src/libs/softfloat-3e/source/f128M_sub.c b/src/libs/softfloat-3e/source/f128M_sub.c
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+++ b/src/libs/softfloat-3e/source/f128M_sub.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 "softfloat.h"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+void
+ f128M_sub( const float128_t *aPtr, const float128_t *bPtr, float128_t *zPtr SOFTFLOAT_STATE_DECL_COMMA )
+{
+    const uint64_t *aWPtr, *bWPtr;
+    uint_fast64_t uiA64, uiA0;
+    bool signA;
+    uint_fast64_t uiB64, uiB0;
+    bool signB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 2)
+    float128_t
+        (*magsFuncPtr)(
+            uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast64_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+#endif
+
+    aWPtr = (const uint64_t *) aPtr;
+    bWPtr = (const uint64_t *) bPtr;
+    uiA64 = aWPtr[indexWord( 2, 1 )];
+    uiA0  = aWPtr[indexWord( 2, 0 )];
+    signA = signF128UI64( uiA64 );
+    uiB64 = bWPtr[indexWord( 2, 1 )];
+    uiB0  = bWPtr[indexWord( 2, 0 )];
+    signB = signF128UI64( uiB64 );
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+    if ( signA == signB ) {
+        *zPtr = softfloat_subMagsF128( uiA64, uiA0, uiB64, uiB0, signA SOFTFLOAT_STATE_ARG_COMMA );
+    } else {
+        *zPtr = softfloat_addMagsF128( uiA64, uiA0, uiB64, uiB0, signA SOFTFLOAT_STATE_ARG_COMMA );
+    }
+#else
+    magsFuncPtr =
+        (signA == signB) ? softfloat_subMagsF128 : softfloat_addMagsF128;
+    *zPtr = (*magsFuncPtr)( uiA64, uiA0, uiB64, uiB0, signA SOFTFLOAT_STATE_ARG_COMMA );
+#endif
+
+}
+
+#else
+
+void
+ f128M_sub( const float128_t *aPtr, const float128_t *bPtr, float128_t *zPtr SOFTFLOAT_STATE_DECL_COMMA )
+{
+
+    softfloat_addF128M(
+        (const uint32_t *) aPtr,
+        (const uint32_t *) bPtr,
+        (uint32_t *) zPtr,
+        true
+        SOFTFLOAT_STATE_ARG_COMMA
+    );
+
+}
+
+#endif
+