date and time created 86/07/20 11:14:28 by sam
[unix-history] / usr / src / sys / tahoe / align / Amull3.c
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28586faa
SL
1/* Amull3.c 1.1 86/07/20 */
2
3#include "../tahoealign/align.h"
4mull3(infop) process_info *infop;
5/*
6/* Multiply longwords, 3 operands.
7/*
8/*****************************************/
9{
10 register long Register_12; /* Has to be first reg ! */
11 register long result, data0, data1;
12
13 data0 = operand(infop,0)->data;
14 data1 = operand(infop,1)->data;
15 Register_12=psl;
16 Set_psl(r12); /* restore the user psl */
17 result = data0 * data1;
18 asm (" movpsl r12");
19 New_cc (Register_12);
20 write_back (infop,result, operand(infop,2) );
21}