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

1.1       root        1: #include "../machine/alignment.h" 
                      2: aobleq(infop)  process_info *infop;
                      3: /*
                      4: /*     Add one, branch if less or equal.
                      5: /*     Can't use real HW opcodes since we don't want to branch here.
                      6: /*
                      7: /*******************************************/
                      8: {
                      9:        register long limit, index, new_address, complement;
                     10: 
                     11:        limit = operand(infop,0)->data;
                     12:        index = operand(infop,1)->data;
                     13:        complement =  limit + ~index;
                     14:        if ( complement < 0){ carry_0; negative_1;} else{negative_0; carry_1;}
                     15:        if ( complement == 0) zero_1; else zero_0;
                     16:        overflow_0;  
                     17:        write_back (infop, index+1, operand(infop,1));
                     18:        new_address = operand(infop,2)->address;
                     19:        if (!negative || zero) pc = new_address;
                     20: }

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