SIMD plumbing

runtime/vm/isolate.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/thread.h"
@@ skipping 12 matching lines @@
 class Debugger;
 class HandleScope;
 class HandleVisitor;
 class Heap;
 class ICData;
 class LongJump;
 class MessageHandler;
 class Mutex;
 class ObjectPointerVisitor;
 class ObjectStore;
+class RawInstance;
 class RawArray;
 class RawContext;
 class RawDouble;
 class RawMint;
 class RawInteger;
 class RawError;
 class Simulator;
 class StackResource;
 class StackZone;
 class StubCode;
+class RawFloat32x4;
+class RawUint32x4;
 
 
-// Used by the deoptimization infrastructure to defer allocation of Double
+// Used by the deoptimization infrastructure to defer allocation of unboxed
 // objects until frame is fully rewritten and GC is safe.
-// See callers of Isolate::DeferDoubleMaterialization.
-class DeferredDouble {
+// See callers of Isolate::DeferObjectMaterialization.
+class DeferredObject {
  public:
-  DeferredDouble(double value, RawDouble** slot, DeferredDouble* next)
-      : value_(value), slot_(slot), next_(next) { }
+  DeferredObject(RawInstance** slot, DeferredObject* next)
+      : slot_(slot), next_(next) { }
+  virtual ~DeferredObject() { }
+
+  RawInstance** slot() const { return slot_; }
+  DeferredObject* next() const { return next_; }
+
+  virtual void Materialize() = 0;
+
+ private:
+  RawInstance** const slot_;
+  DeferredObject* const next_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeferredObject);
+};
+
+
+class DeferredDouble : public DeferredObject {
+ public:
+  DeferredDouble(double value, RawInstance** slot, DeferredObject* next)
+      : DeferredObject(slot, next), value_(value) { }
+
+  virtual void Materialize();
 
   double value() const { return value_; }
-  RawDouble** slot() const { return slot_; }
-  DeferredDouble* next() const { return next_; }
 
  private:
   const double value_;
-  RawDouble** const slot_;
-  DeferredDouble* const next_;
 
   DISALLOW_COPY_AND_ASSIGN(DeferredDouble);
 };
 
 
-class DeferredMint {
+class DeferredMint : public DeferredObject {
  public:
-  DeferredMint(int64_t value, RawMint** slot, DeferredMint* next)
-      : value_(value), slot_(slot), next_(next) { }
+  DeferredMint(int64_t value, RawInstance** slot, DeferredObject* next)
+      : DeferredObject(slot, next), value_(value) { }
+
+  virtual void Materialize();
 
   int64_t value() const { return value_; }
-  RawMint** slot() const { return slot_; }
-  DeferredMint* next() const { return next_; }
 
  private:
   const int64_t value_;
-  RawMint** const slot_;
-  DeferredMint* const next_;
 
   DISALLOW_COPY_AND_ASSIGN(DeferredMint);
 };
 
 
+class DeferredFloat32x4 : public DeferredObject {
+ public:
+  DeferredFloat32x4(simd128_value_t value, RawInstance** slot,
+                    DeferredObject* next)
+      : DeferredObject(slot, next), value_(value) { }
+
+  virtual void Materialize();
+
+  simd128_value_t value() const { return value_; }
+
+ private:
+  const simd128_value_t value_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeferredFloat32x4);
+};
+
+
+class DeferredUint32x4 : public DeferredObject {
+ public:
+  DeferredUint32x4(simd128_value_t value, RawInstance** slot,
+                   DeferredObject* next)
+      : DeferredObject(slot, next), value_(value) { }
+
+  virtual void Materialize();
+
+  simd128_value_t value() const { return value_; }
+
+ private:
+  const simd128_value_t value_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeferredUint32x4);
+};
+
+
 class Isolate : public BaseIsolate {
  public:
   ~Isolate();
 
   static inline Isolate* Current() {
     return reinterpret_cast<Isolate*>(Thread::GetThreadLocal(isolate_key));
   }
 
   static void SetCurrent(Isolate* isolate);
 
@@ skipping 207 matching lines @@
     return file_close_callback_;
   }
 
   intptr_t* deopt_cpu_registers_copy() const {
     return deopt_cpu_registers_copy_;
   }
   void set_deopt_cpu_registers_copy(intptr_t* value) {
     ASSERT((value == NULL) || (deopt_cpu_registers_copy_ == NULL));
     deopt_cpu_registers_copy_ = value;
   }
-  double* deopt_fpu_registers_copy() const {
+  fpu_register_t* deopt_fpu_registers_copy() const {
     return deopt_fpu_registers_copy_;
   }
-  void set_deopt_fpu_registers_copy(double* value) {
+  void set_deopt_fpu_registers_copy(fpu_register_t* value) {
     ASSERT((value == NULL) || (deopt_fpu_registers_copy_ == NULL));
     deopt_fpu_registers_copy_ = value;
   }
   intptr_t* deopt_frame_copy() const { return deopt_frame_copy_; }
   void SetDeoptFrameCopy(intptr_t* value, intptr_t size) {
     ASSERT((value == NULL) || (size > 0));
     ASSERT((value == NULL) || (deopt_frame_copy_ == NULL));
     deopt_frame_copy_ = value;
     deopt_frame_copy_size_ = size;
   }
   intptr_t deopt_frame_copy_size() const { return deopt_frame_copy_size_; }
 
   void DeferDoubleMaterialization(double value, RawDouble** slot) {
-    deferred_doubles_ = new DeferredDouble(value, slot, deferred_doubles_);
+    deferred_objects_ = new DeferredDouble(
+        value,
+        reinterpret_cast<RawInstance**>(slot),
+        deferred_objects_);
   }
 
   void DeferMintMaterialization(int64_t value, RawMint** slot) {
-    deferred_mints_ = new DeferredMint(value, slot, deferred_mints_);
+    deferred_objects_ = new DeferredMint(value,
+                                         reinterpret_cast<RawInstance**>(slot),
+                                         deferred_objects_);
   }
 
-  DeferredDouble* DetachDeferredDoubles() {
-    DeferredDouble* list = deferred_doubles_;
-    deferred_doubles_ = NULL;
+  void DeferFloat32x4Materialization(simd128_value_t value,
+                                     RawFloat32x4** slot) {
+    deferred_objects_ = new DeferredFloat32x4(
+        value,
+        reinterpret_cast<RawInstance**>(slot),
+        deferred_objects_);
+  }
+
+  void DeferUint32x4Materialization(simd128_value_t value,
+                                    RawUint32x4** slot) {
+    deferred_objects_ = new DeferredUint32x4(
+        value,
+        reinterpret_cast<RawInstance**>(slot),
+        deferred_objects_);
+  }
+
+  DeferredObject* DetachDeferredObjects() {
+    DeferredObject* list = deferred_objects_;
+    deferred_objects_ = NULL;
     return list;
   }
 
-  DeferredMint* DetachDeferredMints() {
-    DeferredMint* list = deferred_mints_;
-    deferred_mints_ = NULL;
-    return list;
-  }
-
   static char* GetStatus(const char* request);
 
  private:
   Isolate();
 
   void BuildName(const char* name_prefix);
   void PrintInvokedFunctions();
 
   static ThreadLocalKey isolate_key;
   StoreBufferBlock store_buffer_block_;
@@ skipping 21 matching lines @@
   Mutex* mutex_;  // protects stack_limit_ and saved_stack_limit_.
   uword stack_limit_;
   uword saved_stack_limit_;
   MessageHandler* message_handler_;
   uword spawn_data_;
   GcPrologueCallbacks gc_prologue_callbacks_;
   GcEpilogueCallbacks gc_epilogue_callbacks_;
 
   // Deoptimization support.
   intptr_t* deopt_cpu_registers_copy_;
-  double* deopt_fpu_registers_copy_;
+  fpu_register_t* deopt_fpu_registers_copy_;
   intptr_t* deopt_frame_copy_;
   intptr_t deopt_frame_copy_size_;
-  DeferredDouble* deferred_doubles_;
-  DeferredMint* deferred_mints_;
+  DeferredObject* deferred_objects_;
 
   static Dart_IsolateCreateCallback create_callback_;
   static Dart_IsolateInterruptCallback interrupt_callback_;
   static Dart_IsolateUnhandledExceptionCallback unhandled_exception_callback_;
   static Dart_IsolateShutdownCallback shutdown_callback_;
   static Dart_FileOpenCallback file_open_callback_;
   static Dart_FileWriteCallback file_write_callback_;
   static Dart_FileCloseCallback file_close_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Isolate);
@@ skipping 59 matching lines @@
   Isolate* new_isolate_;
   Isolate* saved_isolate_;
   uword saved_stack_limit_;
 
   DISALLOW_COPY_AND_ASSIGN(SwitchIsolateScope);
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_