Optimizing: Clean up after HRor.

Change-Id: I96bd7fa2e8bdccb87a3380d063dad0dd57fed9d7
diff --git a/compiler/optimizing/instruction_simplifier.cc b/compiler/optimizing/instruction_simplifier.cc
index 6946265..e1b13c5 100644
--- a/compiler/optimizing/instruction_simplifier.cc
+++ b/compiler/optimizing/instruction_simplifier.cc
@@ -211,7 +211,7 @@
 
 // Try to replace a binary operation flanked by one UShr and one Shl with a bitfield rotation.
 bool InstructionSimplifierVisitor::TryReplaceWithRotate(HBinaryOperation* op) {
-  // This simplification is currently supported on ARM and ARM64.
+  // This simplification is currently supported on x86, x86_64, ARM and ARM64.
   // TODO: Implement it for MIPS/64.
   const InstructionSet instruction_set = GetGraph()->GetInstructionSet();
   switch (instruction_set) {
@@ -1268,7 +1268,7 @@
 void InstructionSimplifierVisitor::SimplifyRotate(HInvoke* invoke, bool is_left) {
   DCHECK(invoke->IsInvokeStaticOrDirect());
   DCHECK_EQ(invoke->GetOriginalInvokeType(), InvokeType::kStatic);
-  // This simplification is currently supported on ARM and ARM64.
+  // This simplification is currently supported on x86, x86_64, ARM and ARM64.
   // TODO: Implement it for MIPS/64.
   const InstructionSet instruction_set = GetGraph()->GetInstructionSet();
   switch (instruction_set) {