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Diffstat (limited to '3rdparty/softfloat3/bochs_ext/softfloat-extra.h')
-rw-r--r-- | 3rdparty/softfloat3/bochs_ext/softfloat-extra.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/3rdparty/softfloat3/bochs_ext/softfloat-extra.h b/3rdparty/softfloat3/bochs_ext/softfloat-extra.h new file mode 100644 index 00000000000..087656e5a58 --- /dev/null +++ b/3rdparty/softfloat3/bochs_ext/softfloat-extra.h @@ -0,0 +1,68 @@ +/*============================================================================ + +This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3e, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014, 2015, 2016, 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. + +=============================================================================*/ + +#ifndef softfloat_extra_h +#define softfloat_extra_h 1 + +#include "../source/include/internals.h" + +// ======= floatx80 ======= // + +inline bool extF80_isUnsupported(extFloat80_t a) +{ + return ((a.signExp & 0x7FFF) && !(a.signif & uint64_t(0x8000000000000000))); +} + +inline bool extF80_sign(extFloat80_t a) +{ + return signExtF80UI64(a.signExp); +} + +inline int16_t extF80_exp(extFloat80_t a) +{ + return expExtF80UI64(a.signExp); +} + +inline uint64_t extF80_fraction(extFloat80_t a) +{ + return a.signif; +} + +extFloat80_t &floatx80_chs(extFloat80_t ®); + +extFloat80_t packToExtF80(uint16_t signExp, uint64_t sig); +extFloat80_t packToExtF80(bool sign, uint16_t exp, uint64_t sig); + +#endif |