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Annotation of 43BSDReno/sys/tahoealign/Acasel.c, revision 1.1.1.1

1.1       root        1: /*     Acasel.c        1.1     86/07/20        */
                      2: 
                      3: #include "../tahoealign/align.h" 
                      4: casel(infop)   process_info *infop;
                      5: /*
                      6: /*     Case (longword).
                      7: /*     Can't use real HW opcode, don't want to branch out !
                      8: /*
                      9: /***********************************/
                     10: {
                     11:        register long selector, base;
                     12:        register unsigned temporary, limit;
                     13: 
                     14:        selector = operand(infop,0)->data;
                     15:        base = operand(infop,1)->data;
                     16:        limit = operand(infop,2)->data;
                     17:        if (pc & 1) pc += 1;    /* Displacements are aligned ! */
                     18:        temporary = selector - base;
                     19:        if (temporary <= limit)
                     20:                pc = pc + get_word (infop, (char *)(pc + 2*temporary) );
                     21:        else pc = pc + limit*2 + 2;
                     22: }

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