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[Bug libc/16462] memcpy corrupted the data
- From: "aj at suse dot de" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 17 Jan 2014 07:35:55 +0000
- Subject: [Bug libc/16462] memcpy corrupted the data
- Auto-submitted: auto-generated
- References: <bug-16462-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=16462
Andreas Jaeger <aj at suse dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |aj at suse dot de
--- Comment #5 from Andreas Jaeger <aj at suse dot de> ---
Change is:
Faster memcpy on x64.
We add new memcpy version that uses unaligned loads which are fast
on modern processors. This allows second improvement which is avoiding
computed jump which is relatively expensive operation.
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