PPC/s390: [turbofan] Add Float32(Max|Min) machine operators.

src/compiler/ppc/instruction-selector-ppc.cc

Index: src/compiler/ppc/instruction-selector-ppc.cc
diff --git a/src/compiler/ppc/instruction-selector-ppc.cc b/src/compiler/ppc/instruction-selector-ppc.cc
index d1bd936609719bc2284591c4111666391a125275..bad8ded1310344173c08549dea05455cb0c10477 100644
--- a/src/compiler/ppc/instruction-selector-ppc.cc
+++ b/src/compiler/ppc/instruction-selector-ppc.cc
@@ -1310,6 +1310,9 @@ void InstructionSelector::VisitFloat64Mod(Node* node) {
        g.UseFixed(node->InputAt(1), d2))->MarkAsCall();
 }
 
+void InstructionSelector::VisitFloat32Max(Node* node) {
+  VisitRRR(this, kPPC_MaxDouble | MiscField::encode(1), node);
+}
 
 void InstructionSelector::VisitFloat64Max(Node* node) {
   VisitRRR(this, kPPC_MaxDouble, node);
@@ -1320,6 +1323,9 @@ void InstructionSelector::VisitFloat64SilenceNaN(Node* node) {
   VisitRR(this, kPPC_Float64SilenceNaN, node);
 }
 
+void InstructionSelector::VisitFloat32Min(Node* node) {
+  VisitRRR(this, kPPC_MinDouble | MiscField::encode(1), node);
+}
 
 void InstructionSelector::VisitFloat64Min(Node* node) {
   VisitRRR(this, kPPC_MinDouble, node);