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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, 2017 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"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+void f16_to_f128M( float16_t a, float128_t *zPtr SOFTFLOAT_STATE_DECL_COMMA )
+{
+
+ *zPtr = f16_to_f128( a SOFTFLOAT_STATE_ARG_COMMA );
+
+}
+
+#else
+
+void f16_to_f128M( float16_t a, float128_t *zPtr SOFTFLOAT_STATE_DECL_COMMA )
+{
+ uint32_t *zWPtr;
+ union ui16_f16 uA;
+ uint16_t uiA;
+ bool sign;
+ int_fast8_t exp;
+ uint16_t frac;
+ struct commonNaN commonNaN;
+ uint32_t uiZ96;
+ struct exp8_sig16 normExpSig;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zWPtr = (uint32_t *) zPtr;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF16UI( uiA );
+ exp = expF16UI( uiA );
+ frac = fracF16UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x1F ) {
+ if ( frac ) {
+ softfloat_f16UIToCommonNaN( uiA, &commonNaN SOFTFLOAT_STATE_ARG_COMMA );
+ softfloat_commonNaNToF128M( &commonNaN, zWPtr );
+ return;
+ }
+ uiZ96 = packToF128UI96( sign, 0x7FFF, 0 );
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! exp ) {
+ if ( ! frac ) {
+ uiZ96 = packToF128UI96( sign, 0, 0 );
+ goto uiZ;
+ }
+ normExpSig = softfloat_normSubnormalF16Sig( frac );
+ exp = normExpSig.exp - 1;
+ frac = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ96 = packToF128UI96( sign, exp + 0x3FF0, (uint32_t) frac<<6 );
+ uiZ:
+ zWPtr[indexWord( 4, 3 )] = uiZ96;
+ zWPtr[indexWord( 4, 2 )] = 0;
+ zWPtr[indexWord( 4, 1 )] = 0;
+ zWPtr[indexWord( 4, 0 )] = 0;
+
+}
+
+#endif
+