s390x: [liftoff] implement Indirect/CallIndirect

Change-Id: I953d1f9e1789cb6f754b1206edcac752e4f22801
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2749575Reviewed-by: Milad Fa <mfarazma@redhat.com>
Commit-Queue: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73327}

src/wasm/baseline/s390/liftoff-assembler-s390.h

@@ -2836,7 +2836,8 @@ void LiftoffAssembler::TailCallNativeWasmCode(Address addr) {
 void LiftoffAssembler::CallIndirect(const ValueKindSig* sig,
                                     compiler::CallDescriptor* call_descriptor,
                                     Register target) {
-  bailout(kUnsupportedArchitecture, "CallIndirect");
+  DCHECK(target != no_reg);
+  Call(target);
 }
 
 void LiftoffAssembler::TailCallIndirect(Register target) {
@@ -2844,7 +2845,9 @@ void LiftoffAssembler::TailCallIndirect(Register target) {
 }
 
 void LiftoffAssembler::CallRuntimeStub(WasmCode::RuntimeStubId sid) {
-  bailout(kUnsupportedArchitecture, "CallRuntimeStub");
+  // A direct call to a wasm runtime stub defined in this module.
+  // Just encode the stub index. This will be patched at relocation.
+  Call(static_cast<Address>(sid), RelocInfo::WASM_STUB_CALL);
 }
 
 void LiftoffAssembler::AllocateStackSlot(Register addr, uint32_t size) {