Modify the hwint_master and hwint_slave macros in mpx386.s so the operations now performed by the save function are performed inline. What is the cost in code size? Can you measure an increase in performance?

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06514 ! Note this is a macro, it just looks like a subroutine. 06515 #define hwint_master (irq) 06516 06517 06518 06519 06520 06521 06522 06523 06524 06525 0: 06526 06527 06528 06529 ! Each of these entry points is an expansion of the hwint_master macro call push call pop cmp jz inb orb outb movb outb ret save (_irq_handlers+4*irq) _intr_handle ecx (_irq_actids+4*irq), Of INT_CTLMASK al, [1<