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diff --git a/src/libs/softfloat-3e/source/s_roundPackMToExtF80M.c b/src/libs/softfloat-3e/source/s_roundPackMToExtF80M.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, 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 "softfloat.h"
+
+void
+ softfloat_roundPackMToExtF80M(
+ bool sign,
+ int32_t exp,
+ uint32_t *extSigPtr,
+ uint_fast8_t roundingPrecision,
+ struct extFloat80M *zSPtr
+ SOFTFLOAT_STATE_DECL_COMMA
+ )
+{
+ uint_fast8_t roundingMode;
+ bool roundNearEven;
+ uint64_t sig, roundIncrement, roundMask, roundBits;
+ bool isTiny;
+ uint32_t sigExtra;
+ bool doIncrement;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundingMode = softfloat_roundingMode;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ sig =
+ (uint64_t) extSigPtr[indexWord( 3, 2 )]<<32
+ | extSigPtr[indexWord( 3, 1 )];
+ if ( roundingPrecision == 80 ) goto precision80;
+ if ( roundingPrecision == 64 ) {
+ roundIncrement = UINT64_C( 0x0000000000000400 );
+ roundMask = UINT64_C( 0x00000000000007FF );
+ } else if ( roundingPrecision == 32 ) {
+ roundIncrement = UINT64_C( 0x0000008000000000 );
+ roundMask = UINT64_C( 0x000000FFFFFFFFFF );
+ } else {
+ goto precision80;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( extSigPtr[indexWordLo( 3 )] ) sig |= 1;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? roundMask
+ : 0;
+ }
+ roundBits = sig & roundMask;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x7FFD <= (uint32_t) (exp - 1) ) {
+ if ( exp <= 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess
+ == softfloat_tininess_beforeRounding)
+ || (exp < 0)
+ || (sig <= (uint64_t) (sig + roundIncrement));
+ sig = softfloat_shiftRightJam64( sig, 1 - exp );
+ roundBits = sig & roundMask;
+ if ( roundBits ) {
+ if ( isTiny ) softfloat_raiseFlags( softfloat_flag_underflow SOFTFLOAT_STATE_ARG_COMMA );
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {
+ sig |= roundMask + 1;
+ }
+#endif
+ }
+ sig += roundIncrement;
+ exp = ((sig & UINT64_C( 0x8000000000000000 )) != 0);
+ roundIncrement = roundMask + 1;
+ if ( roundNearEven && (roundBits<<1 == roundIncrement) ) {
+ roundMask |= roundIncrement;
+ }
+ sig &= ~roundMask;
+ goto packReturn;
+ }
+ if (
+ (0x7FFE < exp)
+ || ((exp == 0x7FFE) && ((uint64_t) (sig + roundIncrement) < sig))
+ ) {
+ goto overflow;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( roundBits ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {
+ sig = (sig & ~roundMask) | (roundMask + 1);
+ goto packReturn;
+ }
+#endif
+ }
+ sig += roundIncrement;
+ if ( sig < roundIncrement ) {
+ ++exp;
+ sig = UINT64_C( 0x8000000000000000 );
+ }
+ roundIncrement = roundMask + 1;
+ if ( roundNearEven && (roundBits<<1 == roundIncrement) ) {
+ roundMask |= roundIncrement;
+ }
+ sig &= ~roundMask;
+ goto packReturn;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ precision80:
+ sigExtra = extSigPtr[indexWordLo( 3 )];
+ doIncrement = (0x80000000 <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x7FFD <= (uint32_t) (exp - 1) ) {
+ if ( exp <= 0 ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess
+ == softfloat_tininess_beforeRounding)
+ || (exp < 0)
+ || ! doIncrement
+ || (sig < UINT64_C( 0xFFFFFFFFFFFFFFFF ));
+ softfloat_shiftRightJam96M( extSigPtr, 1 - exp, extSigPtr );
+ exp = 0;
+ sig =
+ (uint64_t) extSigPtr[indexWord( 3, 2 )]<<32
+ | extSigPtr[indexWord( 3, 1 )];
+ sigExtra = extSigPtr[indexWordLo( 3 )];
+ if ( sigExtra ) {
+ if ( isTiny ) softfloat_raiseFlags( softfloat_flag_underflow SOFTFLOAT_STATE_ARG_COMMA );
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {
+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ doIncrement = (0x80000000 <= sigExtra);
+ if (
+ ! roundNearEven
+ && (roundingMode != softfloat_round_near_maxMag)
+ ) {
+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ if ( doIncrement ) {
+ ++sig;
+ sig &= ~(uint64_t) (! (sigExtra & 0x7FFFFFFF) & roundNearEven);
+ exp = ((sig & UINT64_C( 0x8000000000000000 )) != 0);
+ }
+ goto packReturn;
+ }
+ if (
+ (0x7FFE < exp)
+ || ((exp == 0x7FFE) && (sig == UINT64_C( 0xFFFFFFFFFFFFFFFF ))
+ && doIncrement)
+ ) {
+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ roundMask = 0;
+ overflow:
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact
+ SOFTFLOAT_STATE_ARG_COMMA );
+ if (
+ roundNearEven
+ || (roundingMode == softfloat_round_near_maxMag)
+ || (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ) {
+ exp = 0x7FFF;
+ sig = UINT64_C( 0x8000000000000000 );
+ } else {
+ exp = 0x7FFE;
+ sig = ~roundMask;
+ }
+ goto packReturn;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( sigExtra ) {
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {
+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ if ( doIncrement ) {
+ ++sig;
+ if ( ! sig ) {
+ ++exp;
+ sig = UINT64_C( 0x8000000000000000 );
+ } else {
+ sig &= ~(uint64_t) (! (sigExtra & 0x7FFFFFFF) & roundNearEven);
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ packReturn:
+ zSPtr->signExp = packToExtF80UI64( sign, exp );
+ zSPtr->signif = sig;
+
+}
+
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