commit f0e3937b87453234d0d7970b8712082062709b8d
author Nicolas Geoffray <ngeoffray@google.com> Wed Nov 12 17:50:07 2014 +0000
committer Nicolas Geoffray <ngeoffray@google.com> Wed Nov 12 17:55:24 2014 +0000
tree e552c1173ee90fea1d2ba11cc08878efe65ba0be
parent 59321e0e10ea09694efecf6154704e2743b9bffd

Do a parallel move in BoundsCheckSlowPath.

The two locations of the index and length could overlap,
so we need a parallel move. Also factorize the code for
doing a parallel move based on two locations.

Change-Id: Iee8b3459e2eed6704d45e9a564fb2cd050741ea4

compiler/optimizing/code_generator.cc

diff --git a/compiler/optimizing/code_generator.cc b/compiler/optimizing/code_generator.cc
index 9d17263..6b5ec1d 100644
--- a/compiler/optimizing/code_generator.cc
+++ b/compiler/optimizing/code_generator.cc
@@ -632,4 +632,13 @@
   }
 }
 
+void CodeGenerator::EmitParallelMoves(Location from1, Location to1, Location from2, Location to2) {
+  MoveOperands move1(from1, to1, nullptr);
+  MoveOperands move2(from2, to2, nullptr);
+  HParallelMove parallel_move(GetGraph()->GetArena());
+  parallel_move.AddMove(&move1);
+  parallel_move.AddMove(&move2);
+  GetMoveResolver()->EmitNativeCode(&parallel_move);
+}
+
 }  // namespace art