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Annotation of cci/sys/tahoe/Asub2.c, revision 1.1

1.1     ! root        1: #include "../machine/alignment.h" 
        !             2: sub2(infop)    process_info *infop;
        !             3: /*
        !             4: /*     Subtract , 2 operands.
        !             5: /*
        !             6: /*****************************************/
        !             7: {
        !             8: 
        !             9:        register        long    Register_12;    /* Has to be first reg ! */
        !            10:        register        long    data0, data1, result;
        !            11: 
        !            12:        data0 = operand(infop,0)->data; 
        !            13:        data1 = operand(infop,1)->data; 
        !            14:        Register_12=psl;
        !            15:        Set_psl(r12);   /* restore the user psl */
        !            16:        result = data1 - data0;         /* 32 bits of true result */
        !            17:        asm ("  movpsl  r12");
        !            18:        New_cc (Register_12);
        !            19:        write_back (infop,result, operand(infop,1) );
        !            20: }

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