Minor cleanup of MIN/MAX code.

Rationale:
Share the type dispatching code better.

Bug: b/65164101

Test: test-art-host,target
Change-Id: Ib06c915d570fd0a53f7734cdb316d2d16310db74
diff --git a/compiler/optimizing/code_generator_x86.h b/compiler/optimizing/code_generator_x86.h
index 82496d1..d5abf2a 100644
--- a/compiler/optimizing/code_generator_x86.h
+++ b/compiler/optimizing/code_generator_x86.h
@@ -225,8 +225,9 @@
   void GenerateShlLong(const Location& loc, int shift);
   void GenerateShrLong(const Location& loc, int shift);
   void GenerateUShrLong(const Location& loc, int shift);
-  void GenerateMinMax(LocationSummary* locations, bool is_min, DataType::Type type);
+  void GenerateMinMaxInt(LocationSummary* locations, bool is_min, DataType::Type type);
   void GenerateMinMaxFP(LocationSummary* locations, bool is_min, DataType::Type type);
+  void GenerateMinMax(HBinaryOperation* minmax, bool is_min);
 
   void HandleFieldSet(HInstruction* instruction,
                       const FieldInfo& field_info,