ARM: Improve the code generated for HCondition with a constant input

Test: m test-art-target-run-test-409-materialized-condition
Test: m test-art-target-run-test-570-checker-select
Change-Id: Ie3418fbac1d2ecb4d7fc847d4722758e1e01bc2e

1 files changed, 8 insertions, 1 deletions

diff --git a/compiler/optimizing/code_generator_arm.h b/compiler/optimizing/code_generator_arm.h
index 86f2f21df7..dedb63921a 100644
--- a/compiler/optimizing/code_generator_arm.h
+++ b/compiler/optimizing/code_generator_arm.h
@@ -299,7 +299,6 @@ class InstructionCodeGeneratorARM : public InstructionCodeGenerator {
   void GenerateCompareTestAndBranch(HCondition* condition,
                                     Label* true_target,
                                     Label* false_target);
-  void GenerateLongComparesAndJumps(HCondition* cond, Label* true_label, Label* false_label);
   void DivRemOneOrMinusOne(HBinaryOperation* instruction);
   void DivRemByPowerOfTwo(HBinaryOperation* instruction);
   void GenerateDivRemWithAnyConstant(HBinaryOperation* instruction);
@@ -604,6 +603,14 @@ class CodeGeneratorARM : public CodeGenerator {
   void GenerateImplicitNullCheck(HNullCheck* instruction) OVERRIDE;
   void GenerateExplicitNullCheck(HNullCheck* instruction) OVERRIDE;
 
+  // `temp` is an extra temporary register that is used for some conditions;
+  // callers may not specify it, in which case the method will use a scratch
+  // register instead.
+  void GenerateConditionWithZero(IfCondition condition,
+                                 Register out,
+                                 Register in,
+                                 Register temp = kNoRegister);
+
  private:
   Register GetInvokeStaticOrDirectExtraParameter(HInvokeStaticOrDirect* invoke, Register temp);