On Wed, Sep 4, 2024 at 9:32 AM Levy Hsu <ad...@levyhsu.com> wrote: > > Hi > > This change adds BFmode support to the ix86_preferred_simd_mode function > enhancing SIMD vectorization for BF16 operations. The update ensures > optimized usage of SIMD capabilities improving performance and aligning > vector sizes with processor capabilities. > > Bootstrapped and tested on x86-64-pc-linux-gnu. > Ok for trunk? Ok. > > gcc/ChangeLog: > > * config/i386/i386.cc (ix86_preferred_simd_mode): Add BFmode Support. > --- > gcc/config/i386/i386.cc | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc > index 7af9ceca429..aea138c85ad 100644 > --- a/gcc/config/i386/i386.cc > +++ b/gcc/config/i386/i386.cc > @@ -24570,6 +24570,14 @@ ix86_preferred_simd_mode (scalar_mode mode) > } > return word_mode; > > + case E_BFmode: > + if (TARGET_AVX512F && TARGET_EVEX512 && !TARGET_PREFER_AVX256) > + return V32BFmode; > + else if (TARGET_AVX && !TARGET_PREFER_AVX128) > + return V16BFmode; > + else > + return V8BFmode; > + > case E_SFmode: > if (TARGET_AVX512F && TARGET_EVEX512 && !TARGET_PREFER_AVX256) > return V16SFmode; > -- > 2.31.1 >
-- BR, Hongtao
