mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
synced 2026-02-22 16:04:00 +00:00
515.43.04
This commit is contained in:
Andy Ritger
208
src/common/softfloat/source/8086-SSE/specialize.h
Normal file
208
src/common/softfloat/source/8086-SSE/specialize.h
Normal file
@@ -0,0 +1,208 @@
|
||||
|
||||
/*============================================================================
|
||||
|
||||
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
|
||||
Package, Release 3d, 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.
|
||||
|
||||
=============================================================================*/
|
||||
|
||||
#ifndef specialize_h
|
||||
#define specialize_h 1
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include "softfloat_types.h"
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Default value for `softfloat_detectTininess'.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define init_detectTininess softfloat_tininess_afterRounding
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The values to return on conversions to 32-bit integer formats that raise an
|
||||
| invalid exception.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define ui32_fromPosOverflow 0xFFFFFFFF
|
||||
#define ui32_fromNegOverflow 0
|
||||
#define ui32_fromNaN 0xFFFFFFFF
|
||||
#define i32_fromPosOverflow 0x7FFFFFFF
|
||||
#define i32_fromNegOverflow (-0x7FFFFFFF - 1)
|
||||
#define i32_fromNaN 0x7FFFFFFF
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The values to return on conversions to 64-bit integer formats that raise an
|
||||
| invalid exception.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define ui64_fromPosOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
|
||||
#define ui64_fromNegOverflow 0
|
||||
#define ui64_fromNaN UINT64_C( 0xFFFFFFFFFFFFFFFF )
|
||||
#define i64_fromPosOverflow UINT64_C( 0x7FFFFFFFFFFFFFFF )
|
||||
#define i64_fromNegOverflow (-UINT64_C( 0x7FFFFFFFFFFFFFFF ) - 1)
|
||||
#define i64_fromNaN UINT64_C( 0x7FFFFFFFFFFFFFFF )
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| "Common NaN" structure, used to transfer NaN representations from one format
|
||||
| to another.
|
||||
*----------------------------------------------------------------------------*/
|
||||
struct commonNaN {
|
||||
bool sign;
|
||||
#ifdef LITTLEENDIAN
|
||||
uint64_t v0, v64;
|
||||
#else
|
||||
uint64_t v64, v0;
|
||||
#endif
|
||||
};
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The bit pattern for a default generated 16-bit floating-point NaN.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define defaultNaNF16UI 0xFE00
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Returns true when 16-bit unsigned integer `uiA' has the bit pattern of a
|
||||
| 16-bit floating-point signaling NaN.
|
||||
| Note: This macro evaluates its argument more than once.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define softfloat_isSigNaNF16UI( uiA ) ((((uiA) & 0x7E00) == 0x7C00) && ((uiA) & 0x01FF))
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point
|
||||
| NaN, and returns the bit pattern of this value as an unsigned integer.
|
||||
*----------------------------------------------------------------------------*/
|
||||
uint_fast16_t softfloat_commonNaNToF16UI( const struct commonNaN *aPtr );
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The bit pattern for a default generated 32-bit floating-point NaN.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define defaultNaNF32UI 0xFFC00000
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Returns true when 32-bit unsigned integer `uiA' has the bit pattern of a
|
||||
| 32-bit floating-point signaling NaN.
|
||||
| Note: This macro evaluates its argument more than once.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define softfloat_isSigNaNF32UI( uiA ) ((((uiA) & 0x7FC00000) == 0x7F800000) && ((uiA) & 0x003FFFFF))
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Assuming `uiA' has the bit pattern of a 32-bit floating-point NaN, converts
|
||||
| this NaN to the common NaN form, and stores the resulting common NaN at the
|
||||
| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
|
||||
| exception is raised.
|
||||
*----------------------------------------------------------------------------*/
|
||||
void softfloat_f32UIToCommonNaN( uint_fast32_t uiA, struct commonNaN *zPtr );
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Converts the common NaN pointed to by `aPtr' into a 32-bit floating-point
|
||||
| NaN, and returns the bit pattern of this value as an unsigned integer.
|
||||
*----------------------------------------------------------------------------*/
|
||||
uint_fast32_t softfloat_commonNaNToF32UI( const struct commonNaN *aPtr );
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Interpreting `uiA' and `uiB' as the bit patterns of two 32-bit floating-
|
||||
| point values, at least one of which is a NaN, returns the bit pattern of
|
||||
| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
|
||||
| signaling NaN, the invalid exception is raised.
|
||||
*----------------------------------------------------------------------------*/
|
||||
uint_fast32_t
|
||||
softfloat_propagateNaNF32UI( uint_fast32_t uiA, uint_fast32_t uiB );
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The bit pattern for a default generated 64-bit floating-point NaN.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define defaultNaNF64UI UINT64_C( 0xFFF8000000000000 )
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Returns true when 64-bit unsigned integer `uiA' has the bit pattern of a
|
||||
| 64-bit floating-point signaling NaN.
|
||||
| Note: This macro evaluates its argument more than once.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define softfloat_isSigNaNF64UI( uiA ) ((((uiA) & UINT64_C( 0x7FF8000000000000 )) == UINT64_C( 0x7FF0000000000000 )) && ((uiA) & UINT64_C( 0x0007FFFFFFFFFFFF )))
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Assuming `uiA' has the bit pattern of a 64-bit floating-point NaN, converts
|
||||
| this NaN to the common NaN form, and stores the resulting common NaN at the
|
||||
| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
|
||||
| exception is raised.
|
||||
*----------------------------------------------------------------------------*/
|
||||
void softfloat_f64UIToCommonNaN( uint_fast64_t uiA, struct commonNaN *zPtr );
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Converts the common NaN pointed to by `aPtr' into a 64-bit floating-point
|
||||
| NaN, and returns the bit pattern of this value as an unsigned integer.
|
||||
*----------------------------------------------------------------------------*/
|
||||
uint_fast64_t softfloat_commonNaNToF64UI( const struct commonNaN *aPtr );
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Interpreting `uiA' and `uiB' as the bit patterns of two 64-bit floating-
|
||||
| point values, at least one of which is a NaN, returns the bit pattern of
|
||||
| the combined NaN result. If either `uiA' or `uiB' has the pattern of a
|
||||
| signaling NaN, the invalid exception is raised.
|
||||
*----------------------------------------------------------------------------*/
|
||||
uint_fast64_t
|
||||
softfloat_propagateNaNF64UI( uint_fast64_t uiA, uint_fast64_t uiB );
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The bit pattern for a default generated 80-bit extended floating-point NaN.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define defaultNaNExtF80UI64 0xFFFF
|
||||
#define defaultNaNExtF80UI0 UINT64_C( 0xC000000000000000 )
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Returns true when the 80-bit unsigned integer formed from concatenating
|
||||
| 16-bit `uiA64' and 64-bit `uiA0' has the bit pattern of an 80-bit extended
|
||||
| floating-point signaling NaN.
|
||||
| Note: This macro evaluates its arguments more than once.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define softfloat_isSigNaNExtF80UI( uiA64, uiA0 ) ((((uiA64) & 0x7FFF) == 0x7FFF) && ! ((uiA0) & UINT64_C( 0x4000000000000000 )) && ((uiA0) & UINT64_C( 0x3FFFFFFFFFFFFFFF )))
|
||||
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The following functions are needed only when `SOFTFLOAT_FAST_INT64' is
|
||||
| defined.
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The bit pattern for a default generated 128-bit floating-point NaN.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define defaultNaNF128UI64 UINT64_C( 0xFFFF800000000000 )
|
||||
#define defaultNaNF128UI0 UINT64_C( 0 )
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| Returns true when the 128-bit unsigned integer formed from concatenating
|
||||
| 64-bit `uiA64' and 64-bit `uiA0' has the bit pattern of a 128-bit floating-
|
||||
| point signaling NaN.
|
||||
| Note: This macro evaluates its arguments more than once.
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define softfloat_isSigNaNF128UI( uiA64, uiA0 ) ((((uiA64) & UINT64_C( 0x7FFF800000000000 )) == UINT64_C( 0x7FFF000000000000 )) && ((uiA0) || ((uiA64) & UINT64_C( 0x00007FFFFFFFFFFF ))))
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user