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author | Andrew Waterman <andrew@sifive.com> | 2018-07-11 01:16:28 -0700 |
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committer | Andrew Waterman <andrew@sifive.com> | 2018-07-11 01:16:28 -0700 |
commit | 5cd8d2b93fad2011fdf8f49a263d77697af35b32 (patch) | |
tree | f6fb9cb6d3bef2aa5c9903511b92e5a6e99e9519 /softfloat/f128M_mulAdd.c | |
parent | 8e69141749065ff957383d2112768f95a33429b6 (diff) | |
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Upgrade to SoftFloat 3e
Diffstat (limited to 'softfloat/f128M_mulAdd.c')
-rw-r--r-- | softfloat/f128M_mulAdd.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/softfloat/f128M_mulAdd.c b/softfloat/f128M_mulAdd.c new file mode 100644 index 0000000..e2f95df --- /dev/null +++ b/softfloat/f128M_mulAdd.c @@ -0,0 +1,92 @@ + +/*============================================================================ + +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 <stdint.h> +#include "platform.h" +#include "internals.h" +#include "softfloat.h" + +#ifdef SOFTFLOAT_FAST_INT64 + +void + f128M_mulAdd( + const float128_t *aPtr, + const float128_t *bPtr, + const float128_t *cPtr, + float128_t *zPtr + ) +{ + const uint64_t *aWPtr, *bWPtr, *cWPtr; + uint_fast64_t uiA64, uiA0; + uint_fast64_t uiB64, uiB0; + uint_fast64_t uiC64, uiC0; + + aWPtr = (const uint64_t *) aPtr; + bWPtr = (const uint64_t *) bPtr; + cWPtr = (const uint64_t *) cPtr; + uiA64 = aWPtr[indexWord( 2, 1 )]; + uiA0 = aWPtr[indexWord( 2, 0 )]; + uiB64 = bWPtr[indexWord( 2, 1 )]; + uiB0 = bWPtr[indexWord( 2, 0 )]; + uiC64 = cWPtr[indexWord( 2, 1 )]; + uiC0 = cWPtr[indexWord( 2, 0 )]; + *zPtr = softfloat_mulAddF128( uiA64, uiA0, uiB64, uiB0, uiC64, uiC0, 0 ); + +} + +#else + +void + f128M_mulAdd( + const float128_t *aPtr, + const float128_t *bPtr, + const float128_t *cPtr, + float128_t *zPtr + ) +{ + + softfloat_mulAddF128M( + (const uint32_t *) aPtr, + (const uint32_t *) bPtr, + (const uint32_t *) cPtr, + (uint32_t *) zPtr, + 0 + ); + +} + +#endif + |