[llvm-bugs] [Bug 27100] Optimize memset for AVX2

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Apr 1 10:45:55 PDT 2016


Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Sanjay Patel <spatel+llvm at rotateright.com> ---
http://reviews.llvm.org/rL265161 - this should handle the final (16-byte) case
in the original problem description.

There is an open question about when it would be better to use a memop version
of a broadcast instruction to perform the splat. We should probably fork that
off of bug 27141.

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