commit 8ffc1fa556eb92f50a0bd3d5eab56435fff206f6
author Aart Bik <ajcbik@google.com> Wed Feb 17 15:13:56 2016 -0800
committer Aart Bik <ajcbik@google.com> Wed Feb 17 16:01:21 2016 -0800
tree 9ab530e9d65f4f91b6c2d278408c01a0d161038d
parent f598e2f183f496065597267a6fc142aa9a56e7c4

Set bias on != comparison for isNaN.

Change-Id: I83969ecf7252b5e001bdd501c4ca31e7d0608854

compiler/optimizing/instruction_simplifier.cc

diff --git a/compiler/optimizing/instruction_simplifier.cc b/compiler/optimizing/instruction_simplifier.cc
index c448153..13d3f75 100644
--- a/compiler/optimizing/instruction_simplifier.cc
+++ b/compiler/optimizing/instruction_simplifier.cc
@@ -1558,6 +1558,7 @@
   // IsNaN(x) is the same as x != x.
   HInstruction* x = invoke->InputAt(0);
   HCondition* condition = new (GetGraph()->GetArena()) HNotEqual(x, x, dex_pc);
+  condition->SetBias(ComparisonBias::kLtBias);
   invoke->GetBlock()->ReplaceAndRemoveInstructionWith(invoke, condition);
 }