BSD 4_3_Tahoe development
[unix-history] / usr / src / sys / tahoealign / Amull2.c
CommitLineData
c8cccbb7
C
1/* Amull2.c 1.1 86/07/20 */
2
3#include "../tahoealign/align.h"
4int zzz1,zzz2,zzz3,zzz4,zzz5;
5mull2(infop) process_info *infop;
6/*
7/* Multiply longwords, 2 operands.
8/*
9/*****************************************/
10{
11 register long Register_12; /* Has to be first reg ! */
12 register long result, data0, data1;
13
14 data0 = operand(infop,0)->data;
15 data1 = operand(infop,1)->data;
16 Register_12=psl;
17 Set_psl(r12); /* restore the user psl */
18 result = data0 * data1;
19 asm("movpsl r12");
20 New_cc (Register_12);
21 write_back (infop,result, operand(infop,1) );
22}