| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | /* |
| 3 | * Linux/PA-RISC Project (http://www.parisc-linux.org/) |
| 4 | * |
| 5 | * Floating-point emulation code |
| 6 | * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> |
| 7 | */ |
| 8 | |
| 9 | #ifdef __NO_PA_HDRS |
| 10 | PA header file -- do not include this header file for non-PA builds. |
| 11 | #endif |
| 12 | |
| 13 | |
| 14 | /* amount is assumed to be a constant between 0 and 32 (non-inclusive) */ |
| 15 | #define Shiftdouble(left,right,amount,dest) \ |
| 16 | /* int left, right, amount, dest; */ \ |
| 17 | dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount)) |
| 18 | |
| 19 | /* amount must be less than 32 */ |
| 20 | #define Variableshiftdouble(left,right,amount,dest) \ |
| 21 | /* unsigned int left, right; int amount, dest; */ \ |
| 22 | if (amount == 0) dest = right; \ |
| 23 | else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) | \ |
| 24 | ((unsigned) right >> (amount)) |
| 25 | |
| 26 | /* amount must be between 0 and 32 (non-inclusive) */ |
| 27 | #define Variable_shift_double(left,right,amount,dest) \ |
| 28 | /* unsigned int left, right; int amount, dest; */ \ |
| 29 | dest = (left << (32-(amount))) | ((unsigned) right >> (amount)) |