[wasm] TrapIf and TrapUnless TurboFan operators implemented on arm64.

src/arm64/macro-assembler-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 2632 matching lines @@
 
 
 void MacroAssembler::EnterFrame(StackFrame::Type type,
                                 bool load_constant_pool_pointer_reg) {
   // Out-of-line constant pool not implemented on arm64.
   UNREACHABLE();
 }
 
 
 void MacroAssembler::EnterFrame(StackFrame::Type type) {
-  DCHECK(jssp.Is(StackPointer()));
   UseScratchRegisterScope temps(this);
   Register type_reg = temps.AcquireX();
   Register code_reg = temps.AcquireX();
 
   if (type == StackFrame::INTERNAL) {
+    DCHECK(jssp.Is(StackPointer()));
     Mov(type_reg, Smi::FromInt(type));
     Push(lr, fp);
     Push(type_reg);
     Mov(code_reg, Operand(CodeObject()));
     Push(code_reg);
     Add(fp, jssp, InternalFrameConstants::kFixedFrameSizeFromFp);
     // jssp[4] : lr
     // jssp[3] : fp
     // jssp[1] : type
     // jssp[0] : [code object]
+  } else if (type == StackFrame::WASM) {
+    DCHECK(csp.Is(StackPointer()));
+    Mov(type_reg, Smi::FromInt(type));
+    Push(xzr, lr);
+    Push(fp, type_reg);
+    Add(fp, csp, TypedFrameConstants::kFixedFrameSizeFromFp);
+    // csp[3] for alignment
+    // csp[2] : lr
+    // csp[1] : fp
+    // csp[0] : type
   } else {
+    DCHECK(jssp.Is(StackPointer()));
     Mov(type_reg, Smi::FromInt(type));
     Push(lr, fp);
     Push(type_reg);
     Add(fp, jssp, TypedFrameConstants::kFixedFrameSizeFromFp);
     // jssp[2] : lr
     // jssp[1] : fp
     // jssp[0] : type
   }
 }
 
@@ skipping 1977 matching lines @@
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64