Re: x86: making better use of vpternlog{d,q}

2023-05-25 Thread Jan Beulich via Gcc
On 24.05.2023 11:01, Hongtao Liu wrote: > On Wed, May 24, 2023 at 3:58 PM Jan Beulich via Gcc wrote: >> >> Hello, >> >> for a couple of years I was meaning to extend the use of these AVX512F >> insns beyond the pretty minimalistic ones there are so far. Now that I've >> got around to at least draf

Re: x86: making better use of vpternlog{d,q}

2023-05-24 Thread Hongtao Liu via Gcc
On Wed, May 24, 2023 at 3:58 PM Jan Beulich via Gcc wrote: > > Hello, > > for a couple of years I was meaning to extend the use of these AVX512F > insns beyond the pretty minimalistic ones there are so far. Now that I've > got around to at least draft something, I ran into a couple of issues I > c

x86: making better use of vpternlog{d,q}

2023-05-24 Thread Jan Beulich via Gcc
Hello, for a couple of years I was meaning to extend the use of these AVX512F insns beyond the pretty minimalistic ones there are so far. Now that I've got around to at least draft something, I ran into a couple of issues I cannot explain. I'd like to start with understanding the unexpected effect