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Annotation of cci/sys/tahoe/Asub2.c, revision 1.1.1.1

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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