Re: [PATCH 1/2] x86: optimize XCHG to MOV for same-register forms

Jan Beulich via Valgrind-developers <valgrind-developers-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Newsgroups gmane.comp.debugging.valgrind.devel,gmane.comp.gnu.binutils
Message-ID <[email protected]> 
On 03.07.2026 06:55, Paul Floyd wrote:
> Would it be possible for gas to only do this transformation if the source and destination registers are different?

When the registers are different, this transformation is invalid to do.

Jan
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