Factor out some platform-independent code into the shared cfg.cc.

src/x64/cfg-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 85 matching lines @@
     StackCheckStub stub;
     __ CallStub(&stub);
     __ jmp(&deferred_exit);
   }
 }
 
 
 void ExitNode::Compile(MacroAssembler* masm) {
   ASSERT(!is_marked());
   is_marked_ = true;
-
   Comment cmnt(masm, "[ ExitNode");
   if (FLAG_trace) {
     __ push(rax);
     __ CallRuntime(Runtime::kTraceExit, 1);
   }
   __ RecordJSReturn();
   __ movq(rsp, rbp);
   __ pop(rbp);
   int count = CfgGlobals::current()->fun()->scope()->num_parameters();
   __ ret((count + 1) * kPointerSize);
   // Add padding that will be overwritten by a debugger breakpoint.
   // "movq rsp, rbp; pop rbp" has length 5.  "ret k" has length 2.
   const int kPadding = Debug::kX64JSReturnSequenceLength - 5 - 2;
   for (int i = 0; i < kPadding; ++i) {
     __ int3();
   }
 }
 
 
-void PositionInstr::Compile(MacroAssembler* masm) {
-  if (FLAG_debug_info && pos_ != RelocInfo::kNoPosition) {
-    __ RecordStatementPosition(pos_);
-    __ RecordPosition(pos_);
-  }
-}
-
-
-void MoveInstr::Compile(MacroAssembler* masm) {
-  location()->Move(masm, value());
-}
-
-
 void BinaryOpInstr::Compile(MacroAssembler* masm) {
   // The right-hand value should not be on the stack---if it is a
   // compiler-generated temporary it is in the accumulator.
   ASSERT(!value1()->is_on_stack());
 
   Comment cmnt(masm, "[ BinaryOpInstr");
   // We can overwrite one of the operands if it is a temporary.
   OverwriteMode mode = NO_OVERWRITE;
   if (value0()->is_temporary()) {
     mode = OVERWRITE_LEFT;
@@ skipping 55 matching lines @@
 void SlotLocation::Get(MacroAssembler* masm, Register reg) {
   __ movq(reg, ToOperand(this));
 }
 
 
 void SlotLocation::Set(MacroAssembler* masm, Register reg) {
   __ movq(ToOperand(this), reg);
 }
 
 
+void SlotLocation::Push(MacroAssembler* masm) {
+  __ push(ToOperand(this));
+}
+
+
 void SlotLocation::Move(MacroAssembler* masm, Value* value) {
   // We dispatch to the value because in some cases (temp or constant) we
   // can use special instruction sequences.
   value->MoveToSlot(masm, this);
 }
 
 
 void SlotLocation::MoveToSlot(MacroAssembler* masm, SlotLocation* loc) {
   __ movq(kScratchRegister, ToOperand(this));
   __ movq(ToOperand(loc), kScratchRegister);
 }
 
 
-void SlotLocation::Push(MacroAssembler* masm) {
-  __ push(ToOperand(this));
-}
-
-
 void TempLocation::Get(MacroAssembler* masm, Register reg) {
   switch (where_) {
     case ACCUMULATOR:
       if (!reg.is(rax)) __ movq(reg, rax);
       break;
     case STACK:
       __ pop(reg);
       break;
     case NOT_ALLOCATED:
       UNREACHABLE();
@@ skipping 51 matching lines @@
       break;
     case NOT_ALLOCATED:
       UNREACHABLE();
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal