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In ARM7 and ARM9 PC=current + 8, but in the cortex-A7(8-stage pipeline) the PC is also the same value(PC=current +8), how does this work?

In ARM7 and ARM9 PC=current + 8, but in the cortex-A7(8-stage pipeline) the PC is also the same value(PC=current +8), how does this work?

I think the cortex-A7 has 8-stage pipeline, the PC value is also current+8(this is back-forward for old design), but how it works?