Sander de Smalen 318c69de52 Reland "[AArch64] Define high bits of FPR and GPR registers (take 2) (#114827)" ...

The issue with slow compile-time was caused by an assert in
AArch64RegisterInfo.cpp. The assert invokes 'checkAllSuperRegsMarked'
after adding all the reserved registers. This call gets very expensive
after adding the _HI registers due to the way the function searches
in the 'Exception' list, which is expected to be a small list but isn't
(the patch added 190 _HI regs).

It was possible to rewrite the code in such a way that the _HI registers
are marked as reserved after the check. This makes the problem go away
entirely and restores compile-time to what it was before (tested for
`check-runtimes`, which previously showed a ~5x slowdown).

This reverts commits:
  1434d2ab215e3ea9c5f34689d056edd3d4423a78
  2704647fb7986673b89cef1def729e3b022e2607

2024-11-27 13:31:59 +00:00

..

HardwareUnits

Reland "[AArch64] Define high bits of FPR and GPR registers (take 2) (#114827)"

2024-11-27 13:31:59 +00:00

Stages

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CMakeLists.txt

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CodeEmitter.cpp

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Context.cpp

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CustomBehaviour.cpp

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HWEventListener.cpp

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IncrementalSourceMgr.cpp

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InstrBuilder.cpp

[MCA] Avoid repeated hash lookups (NFC) (#110622)

2024-10-01 00:30:33 -07:00

Instruction.cpp

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Pipeline.cpp

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Support.cpp

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View.cpp

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