Re: [PATCH] Set AVOID_256FMA_CHAINS TO m_GENERIC as it's generally good to new platforms

Any comments? On Wed, Nov 22, 2023 at 12:17 PM liuhongt wrote: > > From: "Zhang, Annita" > > Avoid_fma_chain was enabled in m_SAPPHIRERAPIDS, m_ALDERLAKE and > m_CORE_HYBRID. It can also be enabled in m_GENERIC to improve the > performance of -march=x86-64-v3/v4 with -mtune=generic set by > defa

[PATCH] Set AVOID_256FMA_CHAINS TO m_GENERIC as it's generally good to new platforms

From: "Zhang, Annita" Avoid_fma_chain was enabled in m_SAPPHIRERAPIDS, m_ALDERLAKE and m_CORE_HYBRID. It can also be enabled in m_GENERIC to improve the performance of -march=x86-64-v3/v4 with -mtune=generic set by default. One SPEC2017 benchmark 510.parest_r can improve greatly due to it. From t