1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun #include <linux/module.h> 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #include "libgcc.h" 5*4882a593Smuzhiyun __ashrdi3(long long u,word_type b)6*4882a593Smuzhiyunlong long __ashrdi3(long long u, word_type b) 7*4882a593Smuzhiyun { 8*4882a593Smuzhiyun DWunion uu, w; 9*4882a593Smuzhiyun word_type bm; 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun if (b == 0) 12*4882a593Smuzhiyun return u; 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun uu.ll = u; 15*4882a593Smuzhiyun bm = 32 - b; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun if (bm <= 0) { 18*4882a593Smuzhiyun /* w.s.high = 1..1 or 0..0 */ 19*4882a593Smuzhiyun w.s.high = 20*4882a593Smuzhiyun uu.s.high >> 31; 21*4882a593Smuzhiyun w.s.low = uu.s.high >> -bm; 22*4882a593Smuzhiyun } else { 23*4882a593Smuzhiyun const unsigned int carries = (unsigned int) uu.s.high << bm; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun w.s.high = uu.s.high >> b; 26*4882a593Smuzhiyun w.s.low = ((unsigned int) uu.s.low >> b) | carries; 27*4882a593Smuzhiyun } 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun return w.ll; 30*4882a593Smuzhiyun } 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun EXPORT_SYMBOL(__ashrdi3); 33