https://bugs.kde.org/show_bug.cgi?id=414278
Bug ID: 414278
Summary: VG_(memcpy) used for overlapping moves
Product: valgrind
Version: 3.15 SVN
Platform: unspecified
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: general
Assignee: jsew...@acm.org
Reporter: jeffersoncarpent...@gmail.com
Target Milestone: ---
Created attachment 124003
--> https://bugs.kde.org/attachment.cgi?id=124003&action=edit
Specify that memcpy supports overlapping moves
This is used to positive effect in some cases for performance of XArray etc.
It would be a good idea to specify that VG_(memcpy) additionally supports
overlapping areas if dest < src, since memcpy explicitly states the contrary.
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