http://llvm.org/bugs/show_bug.cgi?id=11330
Bug #: 11330
Summary: llvm-gcc optimizer generates movaps instruction on
non-aligned memory
Product: tools
Version: trunk
Platform: Macintosh
OS/Version: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: llvm-gcc
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 7589
--> http://llvm.org/bugs/attachment.cgi?id=7589
minimal source to repro + xcodeproj
Under certain conditions, llvm-gcc -O2 will generate a movaps instruction on an
unaligned memory address. These are always a result of optimizing
__builtin___memcpy_chk() emitted from memcpy() calls.
An Xcode project with minimal source to reproduce is attached.
clang 3.0 does not have this bug. I'm posting this bug so that you can (1)
admire your progress and/or (2) see if this affects dragonegg.
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