[llvm-bugs] [Bug 52057] Failure to avoid using SIMD excessively on small vectors

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Oct 20 12:44:03 PDT 2021


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

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

--- Comment #6 from Sanjay Patel <spatel+llvm at rotateright.com> ---
This example should be fixed after:

But as noted in the commit message, the transform isn't completely general. So
if you have other code like this that still has problems, please do file
another bug.

There's also a difference in the x86 codegen vs. gcc, so if the motivating
program for this example is still slower, that might be another bug.

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