1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Linux/PA-RISC Project (http://www.parisc-linux.org/) 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Floating-point emulation code 6*4882a593Smuzhiyun * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifdef __NO_PA_HDRS 10*4882a593Smuzhiyun PA header file -- do not include this header file for non-PA builds. 11*4882a593Smuzhiyun #endif 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* amount is assumed to be a constant between 0 and 32 (non-inclusive) */ 15*4882a593Smuzhiyun #define Shiftdouble(left,right,amount,dest) \ 16*4882a593Smuzhiyun /* int left, right, amount, dest; */ \ 17*4882a593Smuzhiyun dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount)) 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* amount must be less than 32 */ 20*4882a593Smuzhiyun #define Variableshiftdouble(left,right,amount,dest) \ 21*4882a593Smuzhiyun /* unsigned int left, right; int amount, dest; */ \ 22*4882a593Smuzhiyun if (amount == 0) dest = right; \ 23*4882a593Smuzhiyun else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) | \ 24*4882a593Smuzhiyun ((unsigned) right >> (amount)) 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* amount must be between 0 and 32 (non-inclusive) */ 27*4882a593Smuzhiyun #define Variable_shift_double(left,right,amount,dest) \ 28*4882a593Smuzhiyun /* unsigned int left, right; int amount, dest; */ \ 29*4882a593Smuzhiyun dest = (left << (32-(amount))) | ((unsigned) right >> (amount)) 30