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Annotation of 43BSDTahoe/sys/tahoealign/Asub3.c, revision 1.1.1.1

1.1       root        1: /*     Asub3.c 1.1     86/07/20        */
                      2: 
                      3: #include "../tahoealign/align.h" 
                      4: sub3(infop)    process_info *infop;
                      5: /*
                      6: /*     Subtract , 3 operands.
                      7: /*
                      8: /*****************************************/
                      9: {
                     10: 
                     11:        register        long    Register_12;    /* Has to be first reg ! */
                     12:        register        long    data0, data1, result;
                     13: 
                     14:        data0 = operand(infop,0)->data; 
                     15:        data1 = operand(infop,1)->data; 
                     16:        Register_12=psl;
                     17:        Set_psl(r12);   /* restore the user psl */
                     18:        result = data1 - data0;         /* 32 bits of true result */
                     19:        asm ("  movpsl  r12");
                     20:        New_cc (Register_12);
                     21:        write_back (infop,result, operand(infop,2) );
                     22: }

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