[PyPy-issue] [issue663] [PATCH] Avoid XCHG

David Edelsohn pypy-dev-issue at codespeak.net
Mon Mar 7 19:12:10 CET 2011


New submission from David Edelsohn <dje.gcc at gmail.com>:

Convert use of XCHG to pairs of MOV because atomic semantics add extra expense
and don't pair well for dispatch.

----------
assignedto: edelsohn
effort: easy
files: assembler.patch
messages: 2270
nosy: edelsohn, pypy-issue
priority: feature
release: ???
status: testing
title: [PATCH] Avoid XCHG

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PyPy development tracker <pypy-dev-issue at codespeak.net>
<https://codespeak.net/issue/pypy-dev/issue663>
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