PPC/S390: [wasm-simd] Add definition f64x2 min max

Change-Id: I47f11509a4e0022ec0f50fdfd29f7cc3d4d547bd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1949054Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#65315}

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

@@ -2440,6 +2440,9 @@ void InstructionSelector::VisitI64x2ShrS(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI64x2ShrU(Node* node) { UNIMPLEMENTED(); }
 
+void InstructionSelector::VisitF64x2Min(Node* node) { UNIMPLEMENTED(); }
+
+void InstructionSelector::VisitF64x2Max(Node* node) { UNIMPLEMENTED(); }
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {

src/compiler/backend/s390/instruction-selector-s390.cc

@@ -2863,6 +2863,10 @@ void InstructionSelector::VisitI64x2ShrS(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI64x2ShrU(Node* node) { UNIMPLEMENTED(); }
 
+void InstructionSelector::VisitF64x2Min(Node* node) { UNIMPLEMENTED(); }
+
+void InstructionSelector::VisitF64x2Max(Node* node) { UNIMPLEMENTED(); }
+
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {