1 2 /*============================================================================ 3 4 This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic 5 Package, Release 3e, by John R. Hauser. 6 7 Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. 8 All rights reserved. 9 10 Redistribution and use in source and binary forms, with or without 11 modification, are permitted provided that the following conditions are met: 12 13 1. Redistributions of source code must retain the above copyright notice, 14 this list of conditions, and the following disclaimer. 15 16 2. Redistributions in binary form must reproduce the above copyright notice, 17 this list of conditions, and the following disclaimer in the documentation 18 and/or other materials provided with the distribution. 19 20 3. Neither the name of the University nor the names of its contributors may 21 be used to endorse or promote products derived from this software without 22 specific prior written permission. 23 24 THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE 27 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 35 =============================================================================*/ 36 37 #ifndef primitiveTypes_h 38 #define primitiveTypes_h 1 39 40 #include <stdint.h> 41 42 #ifdef SOFTFLOAT_FAST_INT64 43 44 #ifdef LITTLEENDIAN 45 struct uint128 { uint64_t v0, v64; }; 46 struct uint64_extra { uint64_t extra, v; }; 47 struct uint128_extra { uint64_t extra; struct uint128 v; }; 48 #else 49 struct uint128 { uint64_t v64, v0; }; 50 struct uint64_extra { uint64_t v, extra; }; 51 struct uint128_extra { struct uint128 v; uint64_t extra; }; 52 #endif 53 54 #endif 55 56 /*---------------------------------------------------------------------------- 57 | These macros are used to isolate the differences in word order between big- 58 | endian and little-endian platforms. 59 *----------------------------------------------------------------------------*/ 60 #ifdef LITTLEENDIAN 61 #define wordIncr 1 62 #define indexWord( total, n ) (n) 63 #define indexWordHi( total ) ((total) - 1) 64 #define indexWordLo( total ) 0 65 #define indexMultiword( total, m, n ) (n) 66 #define indexMultiwordHi( total, n ) ((total) - (n)) 67 #define indexMultiwordLo( total, n ) 0 68 #define indexMultiwordHiBut( total, n ) (n) 69 #define indexMultiwordLoBut( total, n ) 0 70 #define INIT_UINTM4( v3, v2, v1, v0 ) { v0, v1, v2, v3 } 71 #else 72 #define wordIncr -1 73 #define indexWord( total, n ) ((total) - 1 - (n)) 74 #define indexWordHi( total ) 0 75 #define indexWordLo( total ) ((total) - 1) 76 #define indexMultiword( total, m, n ) ((total) - 1 - (m)) 77 #define indexMultiwordHi( total, n ) 0 78 #define indexMultiwordLo( total, n ) ((total) - (n)) 79 #define indexMultiwordHiBut( total, n ) 0 80 #define indexMultiwordLoBut( total, n ) (n) 81 #define INIT_UINTM4( v3, v2, v1, v0 ) { v3, v2, v1, v0 } 82 #endif 83 84 #endif 85 86