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diff --git a/src/libs/softfloat-3e/source/s_subMagsF32.c b/src/libs/softfloat-3e/source/s_subMagsF32.c
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+++ b/src/libs/softfloat-3e/source/s_subMagsF32.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, 2015, 2016 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"
+
+float32_t softfloat_subMagsF32( uint_fast32_t uiA, uint_fast32_t uiB SOFTFLOAT_STATE_DECL_COMMA )
+{
+ int_fast16_t expA;
+ uint_fast32_t sigA;
+ int_fast16_t expB;
+ uint_fast32_t sigB;
+ int_fast16_t expDiff;
+ uint_fast32_t uiZ;
+ int_fast32_t sigDiff;
+ bool signZ;
+ int_fast8_t shiftDist;
+ int_fast16_t expZ;
+ uint_fast32_t sigX, sigY;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expF32UI( uiA );
+ sigA = fracF32UI( uiA );
+ expB = expF32UI( uiB );
+ sigB = fracF32UI( uiB );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( ! expDiff ) {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA | sigB ) goto propagateNaN;
+ softfloat_raiseFlags( softfloat_flag_invalid SOFTFLOAT_STATE_ARG_COMMA );
+ uiZ = defaultNaNF32UI;
+ goto uiZ;
+ }
+ sigDiff = sigA - sigB;
+ if ( ! sigDiff ) {
+ uiZ =
+ packToF32UI(
+ (softfloat_roundingMode == softfloat_round_min), 0, 0 );
+ goto uiZ;
+ }
+ if ( expA ) --expA;
+ signZ = signF32UI( uiA );
+ if ( sigDiff < 0 ) {
+ signZ = ! signZ;
+ sigDiff = -sigDiff;
+ }
+ shiftDist = softfloat_countLeadingZeros32( sigDiff ) - 8;
+ expZ = expA - shiftDist;
+ if ( expZ < 0 ) {
+ shiftDist = expA;
+ expZ = 0;
+ }
+ uiZ = packToF32UI( signZ, expZ, sigDiff<<shiftDist );
+ goto uiZ;
+ } else {
+ /*--------------------------------------------------------------------
+ *--------------------------------------------------------------------*/
+ signZ = signF32UI( uiA );
+ sigA <<= 7;
+ sigB <<= 7;
+ if ( expDiff < 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ signZ = ! signZ;
+ if ( expB == 0xFF ) {
+ if ( sigB ) goto propagateNaN;
+ uiZ = packToF32UI( signZ, 0xFF, 0 );
+ goto uiZ;
+ }
+ expZ = expB - 1;
+ sigX = sigB | 0x40000000;
+ sigY = sigA + (expA ? 0x40000000 : sigA);
+ expDiff = -expDiff;
+ } else {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ if ( expA == 0xFF ) {
+ if ( sigA ) goto propagateNaN;
+ uiZ = uiA;
+ goto uiZ;
+ }
+ expZ = expA - 1;
+ sigX = sigA | 0x40000000;
+ sigY = sigB + (expB ? 0x40000000 : sigB);
+ }
+ return
+ softfloat_normRoundPackToF32(
+ signZ, expZ, sigX - softfloat_shiftRightJam32( sigY, expDiff ) SOFTFLOAT_STATE_ARG_COMMA
+ );
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNF32UI( uiA, uiB SOFTFLOAT_STATE_ARG_COMMA );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+