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)) |
30 | |