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_mips.h b/compiler/optimizing/code_generator_mips.h
index ae5fe5b..b02a216 100644
--- a/compiler/optimizing/code_generator_mips.h
+++ b/compiler/optimizing/code_generator_mips.h
@@ -246,8 +246,9 @@
                       bool value_can_be_null);
   void HandleFieldGet(HInstruction* instruction, const FieldInfo& field_info, uint32_t dex_pc);
 
-  void GenerateMinMax(LocationSummary* locations, bool is_min, bool isR6, DataType::Type type);
+  void GenerateMinMaxInt(LocationSummary* locations, bool is_min, bool isR6, DataType::Type type);
   void GenerateMinMaxFP(LocationSummary* locations, bool is_min, bool isR6, DataType::Type type);
+  void GenerateMinMax(HBinaryOperation*, bool is_min);
   void GenerateAbsFP(LocationSummary* locations, DataType::Type type, bool isR2OrNewer, bool isR6);
 
   // Generate a heap reference load using one register `out`: