Upstream version 11.40.271.0

[platform/framework/web/crosswalk.git] / src / v8 / src / elements-kind.h

diff --git a/src/v8/src/elements-kind.h b/src/v8/src/elements-kind.h
index a439a43..d2defc8 100644 (file)
--- a/src/v8/src/elements-kind.h
+++ b/src/v8/src/elements-kind.h
@@ -1,34 +1,11 @@
 // Copyright 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.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 #ifndef V8_ELEMENTS_KIND_H_
 #define V8_ELEMENTS_KIND_H_
 
-#include "v8checks.h"
+#include "src/checks.h"
 
 namespace v8 {
 namespace internal {
@@ -51,7 +28,7 @@ enum ElementsKind {
 
   // The "slow" kind.
   DICTIONARY_ELEMENTS,
-  NON_STRICT_ARGUMENTS_ELEMENTS,
+  SLOPPY_ARGUMENTS_ELEMENTS,
   // The "fast" kind for external arrays
   EXTERNAL_INT8_ELEMENTS,
   EXTERNAL_UINT8_ELEMENTS,
@@ -63,6 +40,7 @@ enum ElementsKind {
   EXTERNAL_FLOAT32_ELEMENTS,
   EXTERNAL_FLOAT32x4_ELEMENTS,
   EXTERNAL_FLOAT64_ELEMENTS,
+  EXTERNAL_FLOAT64x2_ELEMENTS,
   EXTERNAL_UINT8_CLAMPED_ELEMENTS,
 
   // Fixed typed arrays
@@ -76,6 +54,7 @@ enum ElementsKind {
   FLOAT32_ELEMENTS,
   FLOAT32x4_ELEMENTS,
   FLOAT64_ELEMENTS,
+  FLOAT64x2_ELEMENTS,
   UINT8_CLAMPED_ELEMENTS,
 
   // Derived constants from ElementsKind
@@ -99,27 +78,38 @@ const int kFastElementsKindPackedToHoley =
     FAST_HOLEY_SMI_ELEMENTS - FAST_SMI_ELEMENTS;
 
 int ElementsKindToShiftSize(ElementsKind elements_kind);
+int GetDefaultHeaderSizeForElementsKind(ElementsKind elements_kind);
 const char* ElementsKindToString(ElementsKind kind);
-void PrintElementsKind(FILE* out, ElementsKind kind);
 
-ElementsKind GetInitialFastElementsKind();
-
-ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index);
+inline ElementsKind GetInitialFastElementsKind() { return FAST_SMI_ELEMENTS; }
 
+ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_number);
 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind);
 
+ElementsKind GetNextTransitionElementsKind(ElementsKind elements_kind);
 
 inline bool IsDictionaryElementsKind(ElementsKind kind) {
   return kind == DICTIONARY_ELEMENTS;
 }
 
 
+inline bool IsSloppyArgumentsElements(ElementsKind kind) {
+  return kind == SLOPPY_ARGUMENTS_ELEMENTS;
+}
+
+
 inline bool IsExternalArrayElementsKind(ElementsKind kind) {
   return kind >= FIRST_EXTERNAL_ARRAY_ELEMENTS_KIND &&
       kind <= LAST_EXTERNAL_ARRAY_ELEMENTS_KIND;
 }
 
 
+inline bool IsTerminalElementsKind(ElementsKind kind) {
+  return kind == TERMINAL_FAST_ELEMENTS_KIND ||
+      IsExternalArrayElementsKind(kind);
+}
+
+
 inline bool IsFixedTypedArrayElementsKind(ElementsKind kind) {
   return kind >= FIRST_FIXED_TYPED_ARRAY_ELEMENTS_KIND &&
       kind <= LAST_FIXED_TYPED_ARRAY_ELEMENTS_KIND;
@@ -127,11 +117,16 @@ inline bool IsFixedTypedArrayElementsKind(ElementsKind kind) {
 
 
 inline bool IsFastElementsKind(ElementsKind kind) {
-  ASSERT(FIRST_FAST_ELEMENTS_KIND == 0);
+  DCHECK(FIRST_FAST_ELEMENTS_KIND == 0);
   return kind <= FAST_HOLEY_DOUBLE_ELEMENTS;
 }
 
 
+inline bool IsTransitionElementsKind(ElementsKind kind) {
+  return IsFastElementsKind(kind) || IsFixedTypedArrayElementsKind(kind);
+}
+
+
 inline bool IsFastDoubleElementsKind(ElementsKind kind) {
   return kind == FAST_DOUBLE_ELEMENTS ||
       kind == FAST_HOLEY_DOUBLE_ELEMENTS;
@@ -149,6 +144,11 @@ inline bool IsExternalFloat32x4ElementsKind(ElementsKind kind) {
 }
 
 
+inline bool IsExternalFloat64x2ElementsKind(ElementsKind kind) {
+  return kind == EXTERNAL_FLOAT64x2_ELEMENTS;
+}
+
+
 inline bool IsExternalInt32x4ElementsKind(ElementsKind kind) {
   return kind == EXTERNAL_INT32x4_ELEMENTS;
 }
@@ -164,6 +164,11 @@ inline bool IsFixedFloat32x4ElementsKind(ElementsKind kind) {
 }
 
 
+inline bool IsFixedFloat64x2ElementsKind(ElementsKind kind) {
+  return kind == FLOAT64x2_ELEMENTS;
+}
+
+
 inline bool IsFixedInt32x4ElementsKind(ElementsKind kind) {
   return kind == INT32x4_ELEMENTS;
 }
@@ -182,6 +187,12 @@ inline bool IsFloat32x4ElementsKind(ElementsKind kind) {
 }
 
 
+inline bool IsFloat64x2ElementsKind(ElementsKind kind) {
+  return IsExternalFloat64x2ElementsKind(kind) ||
+      IsFixedFloat64x2ElementsKind(kind);
+}
+
+
 inline bool IsInt32x4ElementsKind(ElementsKind kind) {
   return IsExternalInt32x4ElementsKind(kind) ||
       IsFixedInt32x4ElementsKind(kind);
@@ -189,7 +200,8 @@ inline bool IsInt32x4ElementsKind(ElementsKind kind) {
 
 
 inline bool IsSIMD128ElementsKind(ElementsKind kind) {
-  return IsFloat32x4ElementsKind(kind) || IsInt32x4ElementsKind(kind);
+  return IsFloat32x4ElementsKind(kind) || IsFloat64x2ElementsKind(kind) ||
+         IsInt32x4ElementsKind(kind);
 }
 
 
@@ -262,7 +274,7 @@ inline ElementsKind GetHoleyElementsKind(ElementsKind packed_kind) {
 
 
 inline ElementsKind FastSmiToObjectElementsKind(ElementsKind from_kind) {
-  ASSERT(IsFastSmiElementsKind(from_kind));
+  DCHECK(IsFastSmiElementsKind(from_kind));
   return (from_kind == FAST_SMI_ELEMENTS)
       ? FAST_ELEMENTS
       : FAST_HOLEY_ELEMENTS;