diff options
Diffstat (limited to 'src/libs/softfloat-3e/source/ARM-VFPv2/s_propagateNaNF128UI.c')
-rw-r--r-- | src/libs/softfloat-3e/source/ARM-VFPv2/s_propagateNaNF128UI.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/libs/softfloat-3e/source/ARM-VFPv2/s_propagateNaNF128UI.c b/src/libs/softfloat-3e/source/ARM-VFPv2/s_propagateNaNF128UI.c new file mode 100644 index 00000000..e97e9797 --- /dev/null +++ b/src/libs/softfloat-3e/source/ARM-VFPv2/s_propagateNaNF128UI.c @@ -0,0 +1,84 @@ + +/*============================================================================ + +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, 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 "specialize.h" +#include "softfloat.h" + +/*---------------------------------------------------------------------------- +| Interpreting the unsigned integer formed from concatenating 'uiA64' and +| 'uiA0' as a 128-bit floating-point value, and likewise interpreting the +| unsigned integer formed from concatenating 'uiB64' and 'uiB0' as another +| 128-bit floating-point value, and assuming at least on of these floating- +| point values is a NaN, returns the bit pattern of the combined NaN result. +| If either original floating-point value is a signaling NaN, the invalid +| exception is raised. +*----------------------------------------------------------------------------*/ +struct uint128 + softfloat_propagateNaNF128UI( + uint_fast64_t uiA64, + uint_fast64_t uiA0, + uint_fast64_t uiB64, + uint_fast64_t uiB0 + SOFTFLOAT_STATE_DECL_COMMA + ) +{ + bool isSigNaNA; + struct uint128 uiZ; + + isSigNaNA = softfloat_isSigNaNF128UI( uiA64, uiA0 ); + if ( isSigNaNA || softfloat_isSigNaNF128UI( uiB64, uiB0 ) ) { + softfloat_raiseFlags( softfloat_flag_invalid SOFTFLOAT_STATE_ARG_COMMA ); + if ( isSigNaNA ) goto returnNonsigA; + goto returnNonsigB; + } + if ( isNaNF128UI( uiA64, uiA0 ) ) { + returnNonsigA: + uiZ.v64 = uiA64; + uiZ.v0 = uiA0; + } else { + returnNonsigB: + uiZ.v64 = uiB64; + uiZ.v0 = uiB0; + } + uiZ.v64 |= UINT64_C( 0x0000800000000000 ); + return uiZ; + +} + |