Commit 92f3b69a authored by Craig Topper's avatar Craig Topper
Browse files

More x86 release notes. 

llvm-svn: 310501
parent d55dcea6

llvm/docs/ReleaseNotes.rst

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@@ -117,6 +117,18 @@ Changes to the X86 Target 


* Added support for AMD Lightweight Profiling (LWP) instructions.



* Avoid using slow LEA instructions.



* Use alternative sequences for multiply by constant.



* Improved lowering of strided shuffles.



* Improved the AVX512 cost model used by the vectorizer.



* Fix scalar code performance when AVX512 is enabled by making i1's illegal.



* Fixed many inline assembly bugs.



Changes to the AMDGPU Target

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