PPC/s390: [wasm-gc] Liftoff support part 2

Port 5e18ab50

Original Commit Message:

    This adds support for the following instructions:
    br_on_null, ref.as_non_null, br_on_cast, i31.new

R=jkummerow@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: Ia234f2749e401feeaf68e6b7f0b1ba2403eaa77d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2593648Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#71774}

src/codegen/ppc/macro-assembler-ppc.cc

@@ -1925,7 +1925,7 @@ void TurboAssembler::Abort(AbortReason reason) {
   // will not return here
 }
 
-void MacroAssembler::LoadMap(Register destination, Register object) {
+void TurboAssembler::LoadMap(Register destination, Register object) {
   LoadTaggedPointerField(destination,
                          FieldMemOperand(object, HeapObject::kMapOffset));
 }

src/codegen/ppc/macro-assembler-ppc.h

@@ -600,6 +600,8 @@ class V8_EXPORT_PRIVATE TurboAssembler : public TurboAssemblerBase {
   void JumpIfEqual(Register x, int32_t y, Label* dest);
   void JumpIfLessThan(Register x, int32_t y, Label* dest);
 
+  void LoadMap(Register destination, Register object);
+
 #if V8_TARGET_ARCH_PPC64
   inline void TestIfInt32(Register value, Register scratch,
                           CRegister cr = cr7) {
@@ -773,8 +775,6 @@ class V8_EXPORT_PRIVATE MacroAssembler : public TurboAssembler {
   void LeaveExitFrame(bool save_doubles, Register argument_count,
                       bool argument_count_is_length = false);
 
-  void LoadMap(Register destination, Register object);
-
   // Load the global proxy from the current context.
   void LoadGlobalProxy(Register dst) {
     LoadNativeContextSlot(Context::GLOBAL_PROXY_INDEX, dst);

src/codegen/s390/macro-assembler-s390.cc

@@ -1959,7 +1959,7 @@ void TurboAssembler::Abort(AbortReason reason) {
   // will not return here
 }
 
-void MacroAssembler::LoadMap(Register destination, Register object) {
+void TurboAssembler::LoadMap(Register destination, Register object) {
   LoadTaggedPointerField(destination,
                          FieldMemOperand(object, HeapObject::kMapOffset));
 }

src/codegen/s390/macro-assembler-s390.h

@@ -72,6 +72,8 @@ class V8_EXPORT_PRIVATE TurboAssembler : public TurboAssemblerBase {
   void JumpIfEqual(Register x, int32_t y, Label* dest);
   void JumpIfLessThan(Register x, int32_t y, Label* dest);
 
+  void LoadMap(Register destination, Register object);
+
   void Call(Register target);
   void Call(Address target, RelocInfo::Mode rmode, Condition cond = al);
   void Call(Handle<Code> code, RelocInfo::Mode rmode = RelocInfo::CODE_TARGET,
@@ -1156,8 +1158,6 @@ class V8_EXPORT_PRIVATE MacroAssembler : public TurboAssembler {
   void LeaveExitFrame(bool save_doubles, Register argument_count,
                       bool argument_count_is_length = false);
 
-  void LoadMap(Register destination, Register object);
-
   // Load the global proxy from the current context.
   void LoadGlobalProxy(Register dst) {
     LoadNativeContextSlot(Context::GLOBAL_PROXY_INDEX, dst);

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

@@ -335,7 +335,7 @@ void LiftoffAssembler::FillStackSlotsWithZero(int start, int size) {
   }
 
 UNIMPLEMENTED_I32_BINOP_I(i32_add)
-UNIMPLEMENTED_I32_BINOP(i32_sub)
+UNIMPLEMENTED_I32_BINOP_I(i32_sub)
 UNIMPLEMENTED_I32_BINOP(i32_mul)
 UNIMPLEMENTED_I32_BINOP_I(i32_and)
 UNIMPLEMENTED_I32_BINOP_I(i32_or)
@@ -522,6 +522,12 @@ void LiftoffAssembler::emit_cond_jump(LiftoffCondition liftoff_cond,
   bailout(kUnsupportedArchitecture, "emit_cond_jump");
 }
 
+void LiftoffAssembler::emit_i32_cond_jumpi(LiftoffCondition liftoff_cond,
+                                           Label* label, Register lhs,
+                                           int32_t imm) {
+  bailout(kUnsupportedArchitecture, "emit_i32_cond_jumpi");
+}
+
 void LiftoffAssembler::emit_i32_eqz(Register dst, Register src) {
   bailout(kUnsupportedArchitecture, "emit_i32_eqz");
 }
@@ -569,6 +575,11 @@ void LiftoffAssembler::LoadTransform(LiftoffRegister dst, Register src_addr,
   bailout(kSimd, "Load transform unimplemented");
 }
 
+void LiftoffAssembler::emit_smi_check(Register obj, Label* target,
+                                      SmiCheckMode mode) {
+  bailout(kUnsupportedArchitecture, "emit_smi_check");
+}
+
 void LiftoffAssembler::emit_i8x16_swizzle(LiftoffRegister dst,
                                           LiftoffRegister lhs,
                                           LiftoffRegister rhs) {

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

@@ -383,7 +383,7 @@ void LiftoffAssembler::FillStackSlotsWithZero(int start, int size) {
   }
 
 UNIMPLEMENTED_I32_BINOP_I(i32_add)
-UNIMPLEMENTED_I32_BINOP(i32_sub)
+UNIMPLEMENTED_I32_BINOP_I(i32_sub)
 UNIMPLEMENTED_I32_BINOP(i32_mul)
 UNIMPLEMENTED_I32_BINOP_I(i32_and)
 UNIMPLEMENTED_I32_BINOP_I(i32_or)
@@ -631,6 +631,12 @@ void LiftoffAssembler::emit_cond_jump(LiftoffCondition liftoff_cond,
   b(cond, label);
 }
 
+void LiftoffAssembler::emit_i32_cond_jumpi(LiftoffCondition liftoff_cond,
+                                           Label* label, Register lhs,
+                                           int32_t imm) {
+  bailout(kUnsupportedArchitecture, "emit_i32_cond_jumpi");
+}
+
 void LiftoffAssembler::emit_i32_eqz(Register dst, Register src) {
   bailout(kUnsupportedArchitecture, "emit_i32_eqz");
 }
@@ -695,6 +701,11 @@ bool LiftoffAssembler::emit_select(LiftoffRegister dst, Register condition,
   return false;
 }
 
+void LiftoffAssembler::emit_smi_check(Register obj, Label* target,
+                                      SmiCheckMode mode) {
+  bailout(kUnsupportedArchitecture, "emit_smi_check");
+}
+
 void LiftoffAssembler::LoadTransform(LiftoffRegister dst, Register src_addr,
                                      Register offset_reg, uintptr_t offset_imm,
                                      LoadType type,