[turbofan] Advance bytecode offset after lazy deopt.

src/builtins/x64/builtins-x64.cc

 // Copyright 2012 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_X64
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 938 matching lines @@
 
   // Throw stack overflow exception.
   __ bind(&stack_overflow);
   {
     __ TailCallRuntime(Runtime::kThrowStackOverflow);
     // This should be unreachable.
     __ int3();
   }
 }
 
-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);
   __ Move(rbx, masm->isolate()->builtins()->InterpreterEntryTrampoline());
   __ addp(rbx, Immediate(interpreter_entry_return_pc_offset->value() +
                          Code::kHeaderSize - kHeapObjectTag));
   __ Push(rbx);
 
@@ skipping 21 matching lines @@
                     kInterpreterBytecodeOffsetRegister);
 
   // Dispatch to the target bytecode.
   __ movzxbp(rbx, Operand(kInterpreterBytecodeArrayRegister,
                           kInterpreterBytecodeOffsetRegister, times_1, 0));
   __ movp(rbx, Operand(kInterpreterDispatchTableRegister, rbx,
                        times_pointer_size, 0));
   __ jmp(rbx);
 }
 
+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.
+  __ movp(rbx, Operand(rbp, InterpreterFrameConstants::kBytecodeArrayFromFp));
+  __ movp(rdx, Operand(rbp, InterpreterFrameConstants::kBytecodeOffsetFromFp));
+  __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+  {
+    FrameScope scope(masm, StackFrame::INTERNAL);
+    __ Push(kInterpreterAccumulatorRegister);
+    __ Push(rbx);  // First argument is the bytecode array.
+    __ Push(rdx);  // Second argument is the bytecode offset.
+    __ CallRuntime(Runtime::kInterpreterAdvanceBytecodeOffset);
+    __ Move(rdx, rax);  // Result is the new bytecode offset.
+    __ Pop(kInterpreterAccumulatorRegister);
+  }
+  __ movp(Operand(rbp, InterpreterFrameConstants::kBytecodeOffsetFromFp), rdx);
+
+  Generate_InterpreterEnterBytecode(masm);
+}
+
+void Builtins::Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm) {
+  Generate_InterpreterEnterBytecode(masm);
+}
+
 void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax : argument count (preserved for callee)
   //  -- rdx : new target (preserved for callee)
   //  -- rdi : 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 2041 matching lines @@
 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) {
   Generate_OnStackReplacementHelper(masm, true);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64