1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 49 unchanged lines hidden (view full) --- 58} 59 60/** 61 * Calculate the parity of a value. 1 is for odd parity and 0 is for even. 62 */ 63inline 64bool 65findParity(int width, uint64_t dest) { |
66 dest &= mask(width); |
67 dest ^= (dest >> 32); 68 dest ^= (dest >> 16); 69 dest ^= (dest >> 8); 70 dest ^= (dest >> 4); 71 dest ^= (dest >> 2); 72 dest ^= (dest >> 1); 73 return dest & 1; 74} --- 20 unchanged lines hidden --- |