[PATCH] D36965: [RelNotes, AArch64] Mention improved instruction fusion and fun alignment.
Florian Hahn via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 23 02:12:46 PDT 2017
fhahn updated this revision to Diff 112314.
fhahn added a comment.
rebased
https://reviews.llvm.org/D36965
Files:
docs/ReleaseNotes.rst
Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -80,6 +80,14 @@
Changes to the Arm Targets
--------------------------
+During this release the AArch64 target has:
+
+ * Made instruction fusion more aggressive, resulting in speedups
+ for code making use of AArch64 AES instructions. AES fusion has been
+ enabled for most Cortex-A cores and the AArch64MacroFusion pass was moved
+ to the generic MacroFusion pass.
+ * Added preferred function alignments for most Cortex-A cores.
+
During this release the ARM target has:
* Improved mixed ARM/Thumb code generation. Some cases in which wrong
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