Merge bleeding_edge 17696:18016.

src/trig-table.h

 // Copyright 2013 the V8 project authors. All rights reserved.
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 // 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.
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 //       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
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 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#ifndef V8_HYDROGEN_INFER_TYPES_H_
-#define V8_HYDROGEN_INFER_TYPES_H_
+#ifndef V8_TRIG_TABLE_H_
+#define V8_TRIG_TABLE_H_
 
-#include "hydrogen.h"
 
 namespace v8 {
 namespace internal {
 
-
-class HInferTypesPhase : public HPhase {
+class TrigonometricLookupTable : public AllStatic {
  public:
-  explicit HInferTypesPhase(HGraph* graph)
-      : HPhase("H_Inferring types", graph), worklist_(8, zone()),
-        in_worklist_(graph->GetMaximumValueID(), zone()) { }
-
-  void Run() {
-    InferTypes(0, graph()->blocks()->length() - 1);
+  // Casting away const-ness to use as argument for typed array constructor.
+  static void* sin_table() {
+    return const_cast<double*>(&kSinTable[0]);
   }
 
+  static void* cos_x_interval_table() {
+    return const_cast<double*>(&kCosXIntervalTable[0]);
+  }
+
+  static double samples_over_pi_half() { return kSamplesOverPiHalf; }
+  static int samples() { return kSamples; }
+  static int table_num_bytes() { return kTableSize * sizeof(*kSinTable); }
+  static int table_size() { return kTableSize; }
+
  private:
-  void InferTypes(int from_inclusive, int to_inclusive);
-
-  ZoneList<HValue*> worklist_;
-  BitVector in_worklist_;
-
-  DISALLOW_COPY_AND_ASSIGN(HInferTypesPhase);
+  static const double kSinTable[];
+  static const double kCosXIntervalTable[];
+  static const int kSamples;
+  static const int kTableSize;
+  static const double kSamplesOverPiHalf;
 };
 
-
 } }  // namespace v8::internal
 
-#endif  // V8_HYDROGEN_INFER_TYPES_H_
+#endif  // V8_TRIG_TABLE_H_