diff options
Diffstat (limited to 'src/libs/softfloat-3e/source/ui32_to_extF80M.c')
-rw-r--r-- | src/libs/softfloat-3e/source/ui32_to_extF80M.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/libs/softfloat-3e/source/ui32_to_extF80M.c b/src/libs/softfloat-3e/source/ui32_to_extF80M.c new file mode 100644 index 00000000..9670760f --- /dev/null +++ b/src/libs/softfloat-3e/source/ui32_to_extF80M.c @@ -0,0 +1,75 @@ + +/*============================================================================ + +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, 2016 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 ui32_to_extF80M( uint32_t a, extFloat80_t *zPtr SOFTFLOAT_STATE_DECL_COMMA ) +{ + + *zPtr = ui32_to_extF80( a SOFTFLOAT_STATE_ARG_COMMA ); + +} + +#else + +void ui32_to_extF80M( uint32_t a, extFloat80_t *zPtr SOFTFLOAT_STATE_DECL_COMMA ) +{ + struct extFloat80M *zSPtr; + uint_fast16_t uiZ64; + uint64_t sigZ; + int_fast8_t shiftDist; + SOFTFLOAT_STATE_NOREF(); + + zSPtr = (struct extFloat80M *) zPtr; + uiZ64 = 0; + sigZ = 0; + if ( a ) { + shiftDist = softfloat_countLeadingZeros32( a ); + uiZ64 = packToExtF80UI64( 0, 0x401E - shiftDist ); + sigZ = (uint64_t) (a<<shiftDist)<<32; + } + zSPtr->signExp = uiZ64; + zSPtr->signif = sigZ; + +} + +#endif + |