[turbofan] Advance bytecode offset after lazy deopt.

src/builtins/arm64/builtins-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/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 1288 matching lines @@
   ArrayConstructorStub stub(masm->isolate());
   __ TailCallStub(&stub);
 
   __ bind(&stack_overflow);
   {
     __ TailCallRuntime(Runtime::kThrowStackOverflow);
     __ Unreachable();
   }
 }
 
-void Builtins::Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm) {
+static void Generate_InterpreterEnterBytecode(MacroAssembler* masm) {
   // Set the return address to the correct point in the interpreter entry
   // trampoline.
   Smi* interpreter_entry_return_pc_offset(
       masm->isolate()->heap()->interpreter_entry_return_pc_offset());
   DCHECK_NE(interpreter_entry_return_pc_offset, Smi::kZero);
   __ LoadObject(x1, masm->isolate()->builtins()->InterpreterEntryTrampoline());
   __ Add(lr, x1, Operand(interpreter_entry_return_pc_offset->value() +
                          Code::kHeaderSize - kHeapObjectTag));
 
   // Initialize the dispatch table register.
@@ skipping 20 matching lines @@
   __ SmiUntag(kInterpreterBytecodeOffsetRegister);
 
   // Dispatch to the target bytecode.
   __ Ldrb(x1, MemOperand(kInterpreterBytecodeArrayRegister,
                          kInterpreterBytecodeOffsetRegister));
   __ Mov(x1, Operand(x1, LSL, kPointerSizeLog2));
   __ Ldr(ip0, MemOperand(kInterpreterDispatchTableRegister, x1));
   __ Jump(ip0);
 }
 
+void Builtins::Generate_InterpreterEnterBytecodeAdvance(MacroAssembler* masm) {
+  // Advance the current bytecode offset stored within the given interpreter
+  // stack frame. This simulates what all bytecode handlers do upon completion
+  // of the underlying operation.
+  __ Ldr(x1, MemOperand(fp, InterpreterFrameConstants::kBytecodeArrayFromFp));
+  __ Ldr(x2, MemOperand(fp, InterpreterFrameConstants::kBytecodeOffsetFromFp));
+  __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+  {
+    FrameScope scope(masm, StackFrame::INTERNAL);
+    __ Push(kInterpreterAccumulatorRegister, x1, x2);
+    __ CallRuntime(Runtime::kInterpreterAdvanceBytecodeOffset);
+    __ Mov(x2, x0);  // Result is the new bytecode offset.
+    __ Pop(kInterpreterAccumulatorRegister);
+  }
+  __ Str(x2, MemOperand(fp, InterpreterFrameConstants::kBytecodeOffsetFromFp));
+
+  Generate_InterpreterEnterBytecode(masm);
+}
+
+void Builtins::Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm) {
+  Generate_InterpreterEnterBytecode(masm);
+}
+
 void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : argument count (preserved for callee)
   //  -- x3 : new target (preserved for callee)
   //  -- x1 : target function (preserved for callee)
   // -----------------------------------
   // First lookup code, maybe we don't need to compile!
   Label gotta_call_runtime;
   Label try_shared;
   Label loop_top, loop_bottom;
@@ skipping 1626 matching lines @@
     __ Unreachable();
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM