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PR/35535 CVS commit: src/common/lib/libc/arch/x86_64/string
The following reply was made to PR port-amd64/35535; it has been noted by GNATS.
From: David Laight <dsl%netbsd.org@localhost>
Subject: PR/35535 CVS commit: src/common/lib/libc/arch/x86_64/string
Date: Sun, 22 Nov 2009 17:25:48 +0000
Module Name: src
Committed By: dsl
Date: Sun Nov 22 17:25:47 UTC 2009
Align to the destination buffer.
This probably costs 1 clock (on modern cpus) in the normal case.
But gives a big benefit when the destination is misaligned.
In particular when the source has the same misalignment - although
that may not be a gain on Nehalem!
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/common/lib/libc/arch/x86_64/string/bcopy.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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