[PATCH] [AArch64] Enable partial unrolling and runtime unrolling for AArch64 target

[hfinkel at anl.gov]

================
Comment at: lib/Target/AArch64/AArch64TargetTransformInfo.cpp:531
@@ +530,3 @@
+                                         UnrollingPreferences &UP) const {
+  //Disable partial & runtime unrolling on -Os.
+  UP.PartialOptSizeThreshold = 0;
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Add a space in between the // and the D.

http://reviews.llvm.org/D5148