Version 3.2.6

src/mips/lithium-mips.h

+// 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// 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.
+
+#ifndef V8_MIPS_LITHIUM_MIPS_H_
+#define V8_MIPS_LITHIUM_MIPS_H_
+
+#include "hydrogen.h"
+#include "lithium-allocator.h"
+#include "lithium.h"
+#include "safepoint-table.h"
+
+// Note: this file was taken from the X64 version. ARM has a partially working
+// lithium implementation, but for now it is not ported to mips.
+
+namespace v8 {
+namespace internal {
+
+// Forward declarations.
+class LCodeGen;
+class LEnvironment;
+class Translation;
+
+class LInstruction: public ZoneObject {
+ public:
+  LInstruction() { }
+  virtual ~LInstruction() { }
+
+  // Predicates should be generated by macro as in lithium-ia32.h.
+  virtual bool IsLabel() const {
+    UNIMPLEMENTED();
+    return false;
+  }
+  virtual bool IsOsrEntry() const {
+    UNIMPLEMENTED();
+    return false;
+  }
+
+  LPointerMap* pointer_map() const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  bool HasPointerMap() const {
+    UNIMPLEMENTED();
+    return false;
+  }
+
+  void set_environment(LEnvironment* env) { UNIMPLEMENTED(); }
+
+  LEnvironment* environment() const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  bool HasEnvironment() const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  virtual void PrintTo(StringStream* stream) const { UNIMPLEMENTED(); }
+
+  virtual bool IsControl() const {
+    UNIMPLEMENTED();
+    return false;
+  }
+
+  void MarkAsCall() { UNIMPLEMENTED(); }
+  void MarkAsSaveDoubles() { UNIMPLEMENTED(); }
+
+  // Interface to the register allocator and iterators.
+  bool IsMarkedAsCall() const {
+    UNIMPLEMENTED();
+    return false;
+  }
+
+  bool IsMarkedAsSaveDoubles() const {
+    UNIMPLEMENTED();
+    return false;
+  }
+
+  virtual bool HasResult() const {
+    UNIMPLEMENTED();
+    return false;
+  }
+
+  virtual LOperand* result() {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  virtual int InputCount() {
+    UNIMPLEMENTED();
+    return 0;
+  }
+
+  virtual LOperand* InputAt(int i) {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  virtual int TempCount() {
+    UNIMPLEMENTED();
+    return 0;
+  }
+
+  virtual LOperand* TempAt(int i) {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  LOperand* FirstInput() {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  LOperand* Output() {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+#ifdef DEBUG
+  void VerifyCall() { UNIMPLEMENTED(); }
+#endif
+};
+
+
+class LGap: public LInstruction {
+ public:
+  explicit LGap(HBasicBlock* block) { }
+
+  HBasicBlock* block() const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  enum InnerPosition {
+    BEFORE,
+    START,
+    END,
+    AFTER,
+    FIRST_INNER_POSITION = BEFORE,
+    LAST_INNER_POSITION = AFTER
+  };
+
+  LParallelMove* GetOrCreateParallelMove(InnerPosition pos) {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  LParallelMove* GetParallelMove(InnerPosition pos)  {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+};
+
+
+class LLabel: public LGap {
+ public:
+  explicit LLabel(HBasicBlock* block) : LGap(block) { }
+};
+
+
+class LOsrEntry: public LInstruction {
+ public:
+  // Function could be generated by a macro as in lithium-ia32.h.
+  static LOsrEntry* cast(LInstruction* instr) {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  LOperand** SpilledRegisterArray() {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+  LOperand** SpilledDoubleRegisterArray() {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  void MarkSpilledRegister(int allocation_index, LOperand* spill_operand) {
+    UNIMPLEMENTED();
+  }
+  void MarkSpilledDoubleRegister(int allocation_index,
+                                 LOperand* spill_operand) {
+    UNIMPLEMENTED();
+  }
+};
+
+
+class LChunk: public ZoneObject {
+ public:
+  explicit LChunk(CompilationInfo* info, HGraph* graph) { }
+
+  HGraph* graph() const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  CompilationInfo* info() const { return NULL; }
+
+  const ZoneList<LPointerMap*>* pointer_maps() const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  LOperand* GetNextSpillSlot(bool double_slot) {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  LConstantOperand* DefineConstantOperand(HConstant* constant) {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  LLabel* GetLabel(int block_id) const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  const ZoneList<LInstruction*>* instructions() const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  int GetParameterStackSlot(int index) const {
+    UNIMPLEMENTED();
+    return 0;
+  }
+
+  void AddGapMove(int index, LOperand* from, LOperand* to) { UNIMPLEMENTED(); }
+
+  LGap* GetGapAt(int index) const {
+    UNIMPLEMENTED();
+    return NULL;
+  }
+
+  bool IsGapAt(int index) const {
+    UNIMPLEMENTED();
+    return false;
+  }
+
+  int NearestGapPos(int index) const {
+    UNIMPLEMENTED();
+    return 0;
+  }
+
+  void MarkEmptyBlocks() { UNIMPLEMENTED(); }
+
+#ifdef DEBUG
+  void Verify() { UNIMPLEMENTED(); }
+#endif
+};
+
+
+class LChunkBuilder BASE_EMBEDDED {
+ public:
+  LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) { }
+
+  // Build the sequence for the graph.
+  LChunk* Build() {
+    UNIMPLEMENTED();
+    return NULL;
+  };
+
+  // Declare methods that deal with the individual node types.
+#define DECLARE_DO(type) LInstruction* Do##type(H##type* node) { \
+    UNIMPLEMENTED(); \
+    return NULL; \
+  }
+  HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
+#undef DECLARE_DO
+
+  DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
+};
+
+
+} }  // namespace v8::internal
+
+#endif  // V8_MIPS_LITHIUM_MIPS_H_