usr/src/sys/tahoe/align/Amull2.c

/*      Amull2.c        1.1     86/07/20        */

#include "../tahoealign/align.h"
int     zzz1,zzz2,zzz3,zzz4,zzz5;
mull2(infop)    process_info *infop;
/*
/*      Multiply longwords, 2 operands.
/*
/*****************************************/
{
        register        long    Register_12;    /* Has to be first reg ! */
        register        long    result, data0, data1;

        data0 = operand(infop,0)->data;
        data1 = operand(infop,1)->data;
        Register_12=psl;
        Set_psl(r12);   /* restore the user psl */
        result = data0 * data1;
        asm("movpsl     r12");
        New_cc (Register_12);
        write_back (infop,result, operand(infop,1) );
}