Re: [RFC][AARCH64][PATCH 2/5]: Add number of hw prefetchers available to cpu_prefetch_tune

2017-09-16 Thread Kugan Vivekanandarajah
Hi Andrew, On 15 September 2017 at 13:20, Andrew Pinski wrote: > On Thu, Sep 14, 2017 at 6:28 PM, Kugan Vivekanandarajah > wrote: >> This patch adds number of hw prefetchers available to >> cpu_prefetch_tune so it can be used in loop

Re: [RFC][AARCH64][PATCH 2/5]: Add number of hw prefetchers available to cpu_prefetch_tune

2017-09-14 Thread Andrew Pinski
On Thu, Sep 14, 2017 at 6:28 PM, Kugan Vivekanandarajah wrote: > This patch adds number of hw prefetchers available to > cpu_prefetch_tune so it can be used in loop unrolling decisions. Can you explain the difference between this and num_slots

[RFC][AARCH64][PATCH 2/5]: Add number of hw prefetchers available to cpu_prefetch_tune

2017-09-14 Thread Kugan Vivekanandarajah
This patch adds number of hw prefetchers available to cpu_prefetch_tune so it can be used in loop unrolling decisions. Thanks, Kugan gcc/ChangeLog: 2017-09-12 Kugan Vivekanandarajah * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune): Add new field