Andre Vieira 572fc7d2fd [AArch64] Order STP Q's by ascending address ...

This patch adds an AArch64 specific PostRA MachineScheduler to try to schedule
STP Q's to the same base-address in ascending order of offsets. We have found
this to improve performance on Neoverse N1 and should not hurt other AArch64
cores.

Differential Revision: https://reviews.llvm.org/D125377

2022-05-23 09:50:44 +01:00

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