First draft of the sh4 port

src/sh4/lithium-codegen-sh4.h

-// Copyright 2012 the V8 project authors. All rights reserved.
+// Copyright 2011-2012 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_ARM_LITHIUM_CODEGEN_ARM_H_
-#define V8_ARM_LITHIUM_CODEGEN_ARM_H_
+#ifndef V8_SH4_LITHIUM_CODEGEN_SH4_H_
+#define V8_SH4_LITHIUM_CODEGEN_SH4_H_
 
-#include "arm/lithium-arm.h"
-#include "arm/lithium-gap-resolver-arm.h"
+#include "sh4/lithium-sh4.h"
+#include "sh4/lithium-gap-resolver-sh4.h"
 #include "deoptimizer.h"
 #include "safepoint-table.h"
 #include "scopes.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class LDeferredCode;
 class SafepointGenerator;
@@ skipping 129 matching lines @@
   bool is_aborted() const { return status_ == ABORTED; }
 
   StrictModeFlag strict_mode_flag() const {
     return info()->is_classic_mode() ? kNonStrictMode : kStrictMode;
   }
 
   LPlatformChunk* chunk() const { return chunk_; }
   Scope* scope() const { return scope_; }
   HGraph* graph() const { return chunk_->graph(); }
 
-  Register scratch0() { return r9; }
-  DwVfpRegister double_scratch0() { return kScratchDoubleReg; }
+  Register scratch0() { UNIMPLEMENTED();
+                        return r9; }
+  DwVfpRegister double_scratch0() { UNIMPLEMENTED();
+                                    return dr8; }
 
   int GetNextEmittedBlock(int block);
   LInstruction* GetNextInstruction();
 
   void EmitClassOfTest(Label* if_true,
                        Label* if_false,
                        Handle<String> class_name,
                        Register input,
                        Register temporary,
                        Register temporary2);
@@ skipping 12 matching lines @@
   bool GenerateBody();
   bool GenerateDeferredCode();
   bool GenerateDeoptJumpTable();
   bool GenerateSafepointTable();
 
   enum SafepointMode {
     RECORD_SIMPLE_SAFEPOINT,
     RECORD_SAFEPOINT_WITH_REGISTERS_AND_NO_ARGUMENTS
   };
 
-  void CallCode(
-      Handle<Code> code,
-      RelocInfo::Mode mode,
-      LInstruction* instr,
-      TargetAddressStorageMode storage_mode = CAN_INLINE_TARGET_ADDRESS);
-
-  void CallCodeGeneric(
-      Handle<Code> code,
-      RelocInfo::Mode mode,
-      LInstruction* instr,
-      SafepointMode safepoint_mode,
-      TargetAddressStorageMode storage_mode = CAN_INLINE_TARGET_ADDRESS);
-
   void CallRuntime(const Runtime::Function* function,
                    int num_arguments,
                    LInstruction* instr);
 
   void CallRuntime(Runtime::FunctionId id,
                    int num_arguments,
                    LInstruction* instr) {
     const Runtime::Function* function = Runtime::FunctionForId(id);
     CallRuntime(function, num_arguments, instr);
   }
@@ skipping 171 matching lines @@
   // Compiler from a set of parallel moves to a sequential list of moves.
   LGapResolver resolver_;
 
   Safepoint::Kind expected_safepoint_kind_;
 
   class PushSafepointRegistersScope BASE_EMBEDDED {
    public:
     PushSafepointRegistersScope(LCodeGen* codegen,
                                 Safepoint::Kind kind)
         : codegen_(codegen) {
-      ASSERT(codegen_->expected_safepoint_kind_ == Safepoint::kSimple);
-      codegen_->expected_safepoint_kind_ = kind;
-
-      switch (codegen_->expected_safepoint_kind_) {
-        case Safepoint::kWithRegisters:
-          codegen_->masm_->PushSafepointRegisters();
-          break;
-        case Safepoint::kWithRegistersAndDoubles:
-          codegen_->masm_->PushSafepointRegistersAndDoubles();
-          break;
-        default:
-          UNREACHABLE();
-      }
+      UNIMPLEMENTED();
     }
 
     ~PushSafepointRegistersScope() {
-      Safepoint::Kind kind = codegen_->expected_safepoint_kind_;
-      ASSERT((kind & Safepoint::kWithRegisters) != 0);
-      switch (kind) {
-        case Safepoint::kWithRegisters:
-          codegen_->masm_->PopSafepointRegisters();
-          break;
-        case Safepoint::kWithRegistersAndDoubles:
-          codegen_->masm_->PopSafepointRegistersAndDoubles();
-          break;
-        default:
-          UNREACHABLE();
-      }
-      codegen_->expected_safepoint_kind_ = Safepoint::kSimple;
+      UNIMPLEMENTED();
     }
 
    private:
     LCodeGen* codegen_;
   };
 
   friend class LDeferredCode;
   friend class LEnvironment;
   friend class SafepointGenerator;
   DISALLOW_COPY_AND_ASSIGN(LCodeGen);
@@ skipping 25 matching lines @@
  private:
   LCodeGen* codegen_;
   Label entry_;
   Label exit_;
   Label* external_exit_;
   int instruction_index_;
 };
 
 } }  // namespace v8::internal
 
-#endif  // V8_ARM_LITHIUM_CODEGEN_ARM_H_
+#endif  // V8_SH4_LITHIUM_CODEGEN_SH4_H_