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[ReleaseNotes] Add release notes for Hexagon
author
Krzysztof Parzyszek
<kparzysz@codeaurora.org>
Tue, 14 Aug 2018 19:40:56 +0000
(19:40 +0000)
committer
Krzysztof Parzyszek
<kparzysz@codeaurora.org>
Tue, 14 Aug 2018 19:40:56 +0000
(19:40 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_70@339717
91177308
-0d34-0410-b5e6-
96231b3b80d8
docs/ReleaseNotes.rst
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b/docs/ReleaseNotes.rst
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Changes to the ARM Target
deduce the instruction size, without having to specify it with
e.g. ``.inst.w`` as before.
deduce the instruction size, without having to specify it with
e.g. ``.inst.w`` as before.
+Changes to the Hexagon Target
+-----------------------------
+
+* Hexagon now supports auto-vectorization for HVX. It is disabled by default
+ and can be turned on with ``-fvectorize``. For auto-vectorization to take
+ effect, code genration for HVX needs to be enabled with ``-mhvx``.
+ The complete set of options should include ``-fvectorize``, ``-mhvx``,
+ and ``-mhvx-length={64b|128b}``.
+
+* The support for Hexagon ISA V4 is deprecated and will be removed in the
+ next release.
+
Changes to the MIPS Target
--------------------------
Changes to the MIPS Target
--------------------------