[PATCH] [AArch64] Improve and enable the SeparateConstOffsetFromGEP for AArch64 backend.

[Hao Liu]

>>! In D5864#58, @jingyue wrote:
> Did you try pinning the benchmark on one CPU? Scheduling can significantly
> disturb the benchmark results. Also, if your CPU has any boosting feature
> (similar to Intel's turbo boost), try disabling that. One of our folks,
> Mark, found that can make benchmarking sensitive too.
> 
> Jingyue



>>! In D5864#58, @jingyue wrote:
> Did you try pinning the benchmark on one CPU? Scheduling can significantly
> disturb the benchmark results. Also, if your CPU has any boosting feature
> (similar to Intel's turbo boost), try disabling that. One of our folks,
> Mark, found that can make benchmarking sensitive too.
> 
> Jingyue

I think SPEC2006 benchmarks always run on one CPU, so I didn't pin to one CPU. For the boosting feature, I tested on an old x86 machine, so I'm not sure about the features. Anyway, I'm not familiar with x86 performance tests, so I think it's better to let other experts to have a try.

Thanks,
-Hao

http://reviews.llvm.org/D5864