Re: [PATCH] x86: Disable SSE, AVX and AVX512 during CPUID check

2020-08-22 Thread Uros Bizjak via Gcc-patches
On Sat, Aug 22, 2020 at 6:27 PM H.J. Lu wrote: > > On Fri, Aug 21, 2020 at 9:45 AM H.J. Lu wrote: > > > > On Fri, Aug 21, 2020 at 9:35 AM H.J. Lu wrote: > > > > > > On Fri, Aug 21, 2020 at 9:29 AM Hongtao Liu wrote: > > > > > > > > On Fri, Aug 21, 2020 at 11:50 PM Uros Bizjak wrote: > > > > >

[PATCH] x86: Disable SSE, AVX and AVX512 during CPUID check

2020-08-22 Thread H.J. Lu via Gcc-patches
d be runned. > > > then crashed for illegal instruction. > > > > > > > Please add something like > > > > X86_TUNE_INTER_UNIT_MOVES_FROM_MASK/X86_TUNE_INTER_UNIT_MOVES_TO_MASK > > > > and enable them only for m_CORE_AVX512 (or perhaps m_INTEL).