On Thu, Jun 27, 2019 at 12:11 PM Jan Beulich <jbeul...@suse.com> wrote:
>
> Without these constraints asm() can't make use of mask registers.
asm should be deprecated. We have intrinsics for this purpose.
Uros.
> gcc/
> 2019-06-27 Jan Beulich <jbeul...@suse.com>
>
> * config/i386/constraints.md: Remove @internal from "k" and
> "Yk".
>
> --- a/gcc/config/i386/constraints.md
> +++ b/gcc/config/i386/constraints.md
> @@ -79,10 +79,10 @@
> "Second from top of 80387 floating-point stack (@code{%st(1)}).")
>
> (define_register_constraint "Yk" "TARGET_AVX512F ? MASK_REGS : NO_REGS"
> -"@internal Any mask register that can be used as predicate, i.e. k1-k7.")
> +"Any mask register that can be used as predicate, i.e. k1-k7.")
>
> (define_register_constraint "k" "TARGET_AVX512F ? ALL_MASK_REGS : NO_REGS"
> -"@internal Any mask register.")
> +"Any mask register.")
>
> ;; Vector registers (also used for plain floating point nowadays).
> (define_register_constraint "y" "TARGET_MMX ? MMX_REGS : NO_REGS"
>
>
