Re: bswap is slow on SPARC

Michael <[email protected]> Wed, 26 Nov 2025 09:10:32 -0500

Newsgroups	gmane.os.netbsd.ports.sparc,gmane.os.netbsd.ports.sparc64
Message-ID	<20251126091026.6b4a8fd1@bushmills>

Hello,

On Wed, 26 Nov 2025 04:27:00 +0000
Taylor R Campbell <[email protected]> wrote:

> (Not to mention that for sparc64, I bet we can use the little-endian
> address space identifier to recover almost all of the performance
> without changing anything.)

SuperSPARC II has a PTE bit for that. Not a clue which other 32bit
SPARCs implement it, if any.

have fun
Michael