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

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

#include "../tahoealign/align.h"
shal(infop)     process_info *infop;
/*
/*      Shift arithmetic left (longword).
/*      Checks for overflow.
/*
/*******************************/
{
        register        long    Register_12;    /* Has to be first reg ! */
        register        long    Register_11;
        register        long    Register_10;

        Register_12 = operand(infop,0)->data;
        Register_11 = operand(infop,1)->data;
        Register_10=psl;
        Set_psl(r10);   /* restore the user psl */
        asm ("  shal    r12,r11,r10");
        asm ("  movpsl  r12");
        New_cc (Register_12);
        write_back (infop, Register_10, operand(infop,2));
}