Re: [PATCH RESEND] x86/asm/32: Modernize _memcpy()

From: Dave Hansen
Date: Tue Dec 16 2025 - 11:38:12 EST


On 12/16/25 08:30, Uros Bizjak wrote:
> I don't think that additional subtraction outweighs a move from EAX to
> a temporary.

There are basically two ways this can end up:

1. None of these small changes (like an extra subtraction) matters in
the end, and this is a debate about nothing. The simplest code wins.
2. It matters and can be shown with some data.

Unfortunately, I see a lot more gazing into crystal balls than data
collection right now.