[llvm-branch-commits] [llvm-branch] r310501 - More x86 release notes.

[Craig Topper via llvm-branch-commits]

Author: ctopper
Date: Wed Aug  9 10:53:58 2017
New Revision: 310501

URL: http://llvm.org/viewvc/llvm-project?rev=310501&view=rev
Log:
More x86 release notes.

Modified:
    llvm/branches/release_50/docs/ReleaseNotes.rst

Modified: llvm/branches/release_50/docs/ReleaseNotes.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/release_50/docs/ReleaseNotes.rst?rev=310501&r1=310500&r2=310501&view=diff
==============================================================================
--- llvm/branches/release_50/docs/ReleaseNotes.rst (original)
+++ llvm/branches/release_50/docs/ReleaseNotes.rst Wed Aug  9 10:53:58 2017
@@ -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
 -----------------------------