[turbofan] Add Float32(Max|Min) machine operators.

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index 3fd48aea33625add726fb64765ecb53c98e778fd..39c3314888d8e6e2e87eac456397d0bb0611dbf7 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -1363,11 +1363,21 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
                        0, 2);
       break;
     }
+    case kArm64Float32Max: {
+      __ Fmax(i.OutputFloat32Register(), i.InputFloat32Register(0),
+              i.InputFloat32Register(1));
+      break;
+    }
     case kArm64Float64Max: {
       __ Fmax(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
               i.InputDoubleRegister(1));
       break;
     }
+    case kArm64Float32Min: {
+      __ Fmin(i.OutputFloat32Register(), i.InputFloat32Register(0),
+              i.InputFloat32Register(1));
+      break;
+    }
     case kArm64Float64Min: {
       __ Fmin(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
               i.InputDoubleRegister(1));