PPC/s390: [wasm-simd] Implement v8x16.swizzle for arm

Port a0b95232

R=zhin@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I41e950820d526f1471505ec06c223459a5adf2ea
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1867972Reviewed-by: Zhi An Ng <zhin@chromium.org>
Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#64393}

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

@@ -2398,6 +2398,8 @@ void InstructionSelector::VisitI8x16Mul(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitS8x16Shuffle(Node* node) { UNIMPLEMENTED(); }
 
+void InstructionSelector::VisitS8x16Swizzle(Node* node) { UNIMPLEMENTED(); }
+
 void InstructionSelector::VisitF64x2Splat(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitF64x2ExtractLane(Node* node) { UNIMPLEMENTED(); }

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

@@ -2814,6 +2814,8 @@ void InstructionSelector::VisitI8x16Mul(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitS8x16Shuffle(Node* node) { UNIMPLEMENTED(); }
 
+void InstructionSelector::VisitS8x16Swizzle(Node* node) { UNIMPLEMENTED(); }
+
 void InstructionSelector::VisitF64x2Splat(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitF64x2ExtractLane(Node* node) { UNIMPLEMENTED(); }