[PATCH] D10972: Add missing builtins to altivec.h for ABI compliance (vol. 3)

[Bill Schmidt]

wschmidt accepted this revision.
wschmidt added a comment.
This revision is now accepted and ready to land.

LGTM with additional commentary to explain what's going on. :)  Thanks.


================
Comment at: lib/Basic/Targets.cpp:1341
@@ +1340,3 @@
+  }
+  Features[Name] = Enabled;
+}
----------------
After chatting with you on IRC, the above logic is correct but it is still pretty hard to understand.  Please add a few more comments to explain the various scenarios.


Repository:
  rL LLVM

http://reviews.llvm.org/D10972