[PATCH] D21212: Add documentation for RenderScript changes

[Pirama Arumuga Nainar via cfe-commits]

pirama updated this revision to Diff 60394.
pirama added a comment.

Expand description of RenderScript kernel functions.


http://reviews.llvm.org/D21212

Files:
  docs/ReleaseNotes.rst
  include/clang/Basic/Attr.td
  include/clang/Basic/AttrDocs.td

Index: include/clang/Basic/AttrDocs.td
===================================================================
--- include/clang/Basic/AttrDocs.td
+++ include/clang/Basic/AttrDocs.td
@@ -2433,3 +2433,18 @@
 See :doc:`LTOVisibility`.
   }];
 }
+
+def RenderScriptKernelAttributeDocs : Documentation {
+  let Category = DocCatFunction;
+  let Content = [{
+``__attribute__((kernel))`` is used to mark a ``kernel`` function in
+RenderScript.
+
+In RenderScript, ``kernel`` functions are used to express data-parallel
+computation.  The RenderScript runtime efficiently parallelizes ``kernel``
+functions to run on computational resources such as multi-core CPUs and GPUs.
+See the RenderScript_ documentation for more information.
+
+.. _RenderScript: https://developer.android.com/guide/topics/renderscript/compute.html
+  }];
+}
Index: include/clang/Basic/Attr.td
===================================================================
--- include/clang/Basic/Attr.td
+++ include/clang/Basic/Attr.td
@@ -731,7 +731,7 @@
 def Kernel : Attr {
   let Spellings = [GNU<"kernel">];
   let Subjects = SubjectList<[Function]>;
-  let Documentation = [Undocumented];
+  let Documentation = [RenderScriptKernelAttributeDocs];
 }
 
 def Deprecated : InheritableAttr {
Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -84,6 +84,11 @@
 ---------------------------
 The -faltivec and -maltivec flags no longer silently include altivec.h on Power platforms.
 
+`RenderScript
+<https://developer.android.com/guide/topics/renderscript/compute.html>`_
+support added to the Frontend and enabled by the '-x renderscript' option or
+the '.rs' file extension.
+
 ...
 
 C11 Feature Support


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