[PATCH] x86-64: Use 32-bit zero idiom for shorter encoding

[Carlos O'Donell]

On 2/7/26 10:41 AM, George Hu wrote:
> Replace the 64-bit zero idiom with the 32-bit form. In 64-bit mode,
> zeroing the lower 32 bits of a GPR implicitly clears the entire
> register. The 32-bit encoding is one byte shorter while preserving
> identical semantics.

Do you intend to assign copyright to the FSF or use DCO?

Please see: https://sourceware.org/glibc/wiki/Contribution%20checklist

-- 
Cheers,
Carlos.