On Fri, Jun 30, 2023 at 9:29 AM Roger Sayle wrote:
>
>
> This patch implements scalar-to-vector (STV) support for DImode and SImode
> rotations by constant bit counts. Scalar rotations are almost always
> optimal on x86, requiring only one or two instructions, but it is also
> possible to impleme
This patch implements scalar-to-vector (STV) support for DImode and SImode
rotations by constant bit counts. Scalar rotations are almost always
optimal on x86, requiring only one or two instructions, but it is also
possible to implement these efficiently with SSE2, requiring only one
or two instr
