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(parent: c281018) | patch
x86-64: remove unnecessary spill/reload of rbx from memcpy
authorJan Beulich <jbeulich@novell.com>
Thu, 12 Mar 2009 10:47:13 +0000 (10:47 +0000)
committerIngo Molnar <mingo@elte.hu>
Thu, 12 Mar 2009 11:04:47 +0000 (12:04 +0100)
commitdd1ef4ec4721ddc0a1f2b73a4f67930cb320665c
tree75cdd414ecdcfe7d2abc72da8444f54631a00e4etree | snapshot
parentc2810188c1b810c68139608a207befae0a4f1e69commit | diff
x86-64: remove unnecessary spill/reload of rbx from memcpy

Impact: micro-optimization

This should slightly improve its performance.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <49B8F641.76E4.0078.0@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/lib/memcpy_64.S diff | blob | history
John Crispins staging tree