RE: [PATCH] aarch64: modify Ampere CPU tunings on reassociation/FMA

2023-12-01 Thread Di Zhao OS
e: [PATCH] aarch64: modify Ampere CPU tunings on reassociation/FMA > > > > On 30/11/2023 08:27, Di Zhao OS wrote: > > This patch modifies tunings for ampere1/ampere1a/ampere1b, to: > > > > 1. Allow reassociation on FP additions. > > 2. Avoid generating loop-de

Re: [PATCH] aarch64: modify Ampere CPU tunings on reassociation/FMA

2023-11-30 Thread Richard Earnshaw
On 30/11/2023 08:27, Di Zhao OS wrote: This patch modifies tunings for ampere1/ampere1a/ampere1b, to: 1. Allow reassociation on FP additions. 2. Avoid generating loop-dependant FMA chains. Added a tuning option for this. Bootstrapped and tested. Is this ok for trunk? Thanks, Di Zhao gcc/Ch

[PATCH] aarch64: modify Ampere CPU tunings on reassociation/FMA

2023-11-30 Thread Di Zhao OS
This patch modifies tunings for ampere1/ampere1a/ampere1b, to: 1. Allow reassociation on FP additions. 2. Avoid generating loop-dependant FMA chains. Added a tuning option for this. Bootstrapped and tested. Is this ok for trunk? Thanks, Di Zhao gcc/ChangeLog: * config/aarch64/aarch64-t