1 /*- 2 * Copyright (c) 1986 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Computer Consoles Inc. 7 * 8 * %sccs.include.redist.c% 9 * 10 * @(#)Ashrq.c 7.1 (Berkeley) 12/06/90 11 */ 12 13 #include "align.h" 14 shrq(infop) process_info *infop; 15 /* 16 /* Shift right quadword. 17 /* 18 /********************************/ 19 { 20 register long Register_12; /* Has to be first reg ! */ 21 register long Register_11; 22 register long Register_10; 23 register long *Register_9; 24 quadword result; 25 26 Register_12 = operand(infop,0)->data; /* Counter */ 27 Register_9 = &operand(infop,1)->data; /* Source */ 28 29 Register_10=psl; 30 Set_psl(r10); /* restore the user psl */ 31 asm (" shrq r12,(r9),r10"); 32 asm (" movpsl r12"); 33 New_cc (Register_12); 34 result.high = Register_10; 35 result.low = Register_11; 36 write_quadword (infop, result, operand(infop,2)); 37 } 38