Post interrupts - computer architecture, Computer Engineering

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Post interrupts - computer architecture:

Post interrupts

Exact interrupts
examine interrupt bit on entering WB
Longer latency

Handle immediately

interrupt may take place in order different from sequential CPU
not completely precise
May cause implementation headaches!

Other complications

odd bits of state (for instance :CC)
early-writes (for instance auto increment)
out-of-order execution
dynamic scheduling
instruction buffers and prefetch logic

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