date and time created 86/07/20 11:14:40 by sam

[unix-history] / usr / src / sys / tahoe / align / Ashar.c

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


#include "../tahoealign/align.h" 
shar(infop)     process_info *infop;
/*
/*      Shift arithmetic right (longword).
/*
/*******************************/
{
       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 ("  shar    r12,r11,r10");
       asm ("  movpsl  r12");
       New_cc (Register_12);
       write_back (infop, Register_10, operand(infop,2));
}