1 files changed, 0 insertions, 72 deletions
diff --git a/deps/v8/src/runtime/runtime-maths.cc b/deps/v8/src/runtime/runtime-maths.cc
deleted file mode 100644
index 7695c14657..0000000000
--- a/deps/v8/src/runtime/runtime-maths.cc
+++ /dev/null
@@ -1,72 +0,0 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/runtime/runtime-utils.h"
-
-#include "src/arguments.h"
-#include "src/base/utils/random-number-generator.h"
-#include "src/bootstrapper.h"
-#include "src/counters.h"
-#include "src/double.h"
-#include "src/objects-inl.h"
-
-namespace v8 {
-namespace internal {
-
-RUNTIME_FUNCTION(Runtime_GenerateRandomNumbers) {
-  HandleScope scope(isolate);
-  DCHECK_EQ(0, args.length());
-
-  Handle<Context> native_context = isolate->native_context();
-  DCHECK_EQ(0, native_context->math_random_index()->value());
-
-  static const int kCacheSize = 64;
-  static const int kState0Offset = kCacheSize - 1;
-  static const int kState1Offset = kState0Offset - 1;
-  // The index is decremented before used to access the cache.
-  static const int kInitialIndex = kState1Offset;
-
-  Handle<FixedDoubleArray> cache;
-  uint64_t state0 = 0;
-  uint64_t state1 = 0;
-  if (native_context->math_random_cache()->IsFixedDoubleArray()) {
-    cache = Handle<FixedDoubleArray>(
-        FixedDoubleArray::cast(native_context->math_random_cache()), isolate);
-    state0 = double_to_uint64(cache->get_scalar(kState0Offset));
-    state1 = double_to_uint64(cache->get_scalar(kState1Offset));
-  } else {
-    cache = Handle<FixedDoubleArray>::cast(
-        isolate->factory()->NewFixedDoubleArray(kCacheSize, TENURED));
-    native_context->set_math_random_cache(*cache);
-    // Initialize state if not yet initialized. If a fixed random seed was
-    // requested, use it to reset our state the first time a script asks for
-    // random numbers in this context. This ensures the script sees a consistent
-    // sequence.
-    if (FLAG_random_seed != 0) {
-      state0 = FLAG_random_seed;
-      state1 = FLAG_random_seed;
-    } else {
-      while (state0 == 0 || state1 == 0) {
-        isolate->random_number_generator()->NextBytes(&state0, sizeof(state0));
-        isolate->random_number_generator()->NextBytes(&state1, sizeof(state1));
-      }
-    }
-  }
-
-  DisallowHeapAllocation no_gc;
-  FixedDoubleArray* raw_cache = *cache;
-  // Create random numbers.
-  for (int i = 0; i < kInitialIndex; i++) {
-    // Generate random numbers using xorshift128+.
-    base::RandomNumberGenerator::XorShift128(&state0, &state1);
-    raw_cache->set(i, base::RandomNumberGenerator::ToDouble(state0, state1));
-  }
-
-  // Persist current state.
-  raw_cache->set(kState0Offset, uint64_to_double(state0));
-  raw_cache->set(kState1Offset, uint64_to_double(state1));
-  return Smi::FromInt(kInitialIndex);
-}
-}  // namespace internal
-}  // namespace v8