PPC/s390: [liftoff][mv] Support multi-value returns

Port b931af5d

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

Change-Id: Idb61dd337187a8afd4e3b8705b80dab98eb11fa5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2195796Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#67749}

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

@@ -192,6 +192,12 @@ void LiftoffAssembler::LoadCallerFrameSlot(LiftoffRegister dst,
   bailout(kUnsupportedArchitecture, "LoadCallerFrameSlot");
 }
 
+void LiftoffAssembler::StoreCallerFrameSlot(LiftoffRegister src,
+                                            uint32_t caller_slot_idx,
+                                            ValueType type) {
+  bailout(kUnsupportedArchitecture, "StoreCallerFrameSlot");
+}
+
 void LiftoffAssembler::MoveStackValue(uint32_t dst_offset, uint32_t src_offset,
                                       ValueType type) {
   bailout(kUnsupportedArchitecture, "MoveStackValue");

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

@@ -191,6 +191,12 @@ void LiftoffAssembler::LoadCallerFrameSlot(LiftoffRegister dst,
   bailout(kUnsupportedArchitecture, "LoadCallerFrameSlot");
 }
 
+void LiftoffAssembler::StoreCallerFrameSlot(LiftoffRegister src,
+                                            uint32_t caller_slot_idx,
+                                            ValueType type) {
+  bailout(kUnsupportedArchitecture, "StoreCallerFrameSlot");
+}
+
 void LiftoffAssembler::MoveStackValue(uint32_t dst_offset, uint32_t src_offset,
                                       ValueType type) {
   bailout(kUnsupportedArchitecture, "MoveStackValue");