X64 Crankshaft: Add LTemplatedInstruction and some derived classes to lithium...

src/x64/lithium-x64.cc

 // Copyright 2011 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 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "x64/lithium-x64.h"
 #include "x64/lithium-codegen-x64.h"
 
 namespace v8 {
 namespace internal {
 
+LOsrEntry::LOsrEntry() {
+  for (int i = 0; i < Register::kNumAllocatableRegisters; ++i) {
+    register_spills_[i] = NULL;
+  }
+  for (int i = 0; i < DoubleRegister::kNumAllocatableRegisters; ++i) {
+    double_register_spills_[i] = NULL;
+  }
+}
+
+
+void LOsrEntry::MarkSpilledRegister(int allocation_index,
+                                    LOperand* spill_operand) {
+  ASSERT(spill_operand->IsStackSlot());
+  ASSERT(register_spills_[allocation_index] == NULL);
+  register_spills_[allocation_index] = spill_operand;
+}
+
+
+void LOsrEntry::MarkSpilledDoubleRegister(int allocation_index,
+                                          LOperand* spill_operand) {
+  ASSERT(spill_operand->IsDoubleStackSlot());
+  ASSERT(double_register_spills_[allocation_index] == NULL);
+  double_register_spills_[allocation_index] = spill_operand;
+}
+
+
+void LOsrEntry::CompileToNative(LCodeGen* generator) {
+  UNIMPLEMENTED();
+  // Implement in lithium-codegen-x64.cc.
+}
+
+
+void LInstruction::PrintTo(StringStream* stream) {
+  stream->Add("%s ", this->Mnemonic());
+  if (HasResult()) {
+    LTemplateInstruction<1>::cast(this)->result()->PrintTo(stream);
+    stream->Add(" ");
+  }
+  PrintDataTo(stream);
+
+  if (HasEnvironment()) {
+    stream->Add(" ");
+    // environment()->PrintTo(stream);

[Lasse Reichstein, 2011/01/11 11:23:20]

What is this commented code?

+  }
+
+  if (HasPointerMap()) {
+    stream->Add(" ");
+    //pointer_map()->PrintTo(stream);

[Lasse Reichstein, 2011/01/11 11:23:20]

Ditto?

+  }
+}
+
+
+void LLabel::PrintDataTo(StringStream* stream) {
+  LGap::PrintDataTo(stream);
+  LLabel* rep = replacement();
+  if (rep != NULL) {
+    stream->Add(" Dead block replaced with B%d", rep->block_id());
+  }
+}
+
+
 bool LGap::IsRedundant() const {
   for (int i = 0; i < 4; i++) {
     if (parallel_moves_[i] != NULL && !parallel_moves_[i]->IsRedundant()) {
       return false;
     }
   }
 
   return true;
 }
 
 
-void LGap::PrintDataTo(StringStream* stream) const {
+void LGap::PrintDataTo(StringStream* stream) {
   for (int i = 0; i < 4; i++) {
     stream->Add("(");
     if (parallel_moves_[i] != NULL) {
       parallel_moves_[i]->PrintDataTo(stream);
     }
     stream->Add(") ");
   }
 }
 
 
+void LGoto::PrintDataTo(StringStream* stream) {
+  stream->Add("B%d", block_id());
+}
+
+
 LChunk* LChunkBuilder::Build() {
   ASSERT(is_unused());
   chunk_ = new LChunk(graph());
   HPhase phase("Building chunk", chunk_);
   status_ = BUILDING;
   const ZoneList<HBasicBlock*>* blocks = graph()->blocks();
   for (int i = 0; i < blocks->length(); i++) {
     HBasicBlock* next = NULL;
     if (i < blocks->length() - 1) next = blocks->at(i + 1);
     DoBasicBlock(blocks->at(i), next);
@@ skipping 18 matching lines @@
 }
 
 
 void LChunkBuilder::DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block) {
   ASSERT(is_building());
   Abort("Lithium not implemented on x64.");
 }
 
 
 } }  // namespace v8::internal