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