[builtins] Migrate a bunch of Math builtins to C++.

src/runtime/runtime-maths.cc

 // 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/assembler.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/third_party/fdlibm/fdlibm.h"
 
 namespace v8 {
 namespace internal {
 
 #define RUNTIME_UNARY_MATH(Name, name)                         \
   RUNTIME_FUNCTION(Runtime_Math##Name) {                       \
     HandleScope scope(isolate);                                \
     DCHECK(args.length() == 1);                                \
     isolate->counters()->math_##name##_runtime()->Increment(); \
     CONVERT_DOUBLE_ARG_CHECKED(x, 0);                          \
     return *isolate->factory()->NewHeapNumber(std::name(x));   \
   }
 
-RUNTIME_UNARY_MATH(Acos, acos)
-RUNTIME_UNARY_MATH(Asin, asin)
-RUNTIME_UNARY_MATH(Atan, atan)
 RUNTIME_UNARY_MATH(LogRT, log)
 #undef RUNTIME_UNARY_MATH
 
 
 RUNTIME_FUNCTION(Runtime_DoubleHi) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_DOUBLE_ARG_CHECKED(x, 0);
   uint64_t unsigned64 = double_to_uint64(x);
   uint32_t unsigned32 = static_cast<uint32_t>(unsigned64 >> 32);
@@ skipping 182 matching lines @@
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   isolate->counters()->math_sqrt_runtime()->Increment();
 
   CONVERT_DOUBLE_ARG_CHECKED(x, 0);
   lazily_initialize_fast_sqrt(isolate);
   return *isolate->factory()->NewNumber(fast_sqrt(x, isolate));
 }
 
 
-RUNTIME_FUNCTION(Runtime_MathFround) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_DOUBLE_ARG_CHECKED(x, 0);
-  float xf = DoubleToFloat32(x);
-  return *isolate->factory()->NewNumber(xf);
-}
-
-
 RUNTIME_FUNCTION(Runtime_GenerateRandomNumbers) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   // Random numbers in the snapshot are not really that random.
   DCHECK(!isolate->bootstrapper()->IsActive());
   static const int kState0Offset = 0;
   static const int kState1Offset = 1;
   static const int kRandomBatchSize = 64;
   CONVERT_ARG_HANDLE_CHECKED(Object, maybe_typed_array, 0);
   Handle<JSTypedArray> typed_array;
@@ skipping 27 matching lines @@
     base::RandomNumberGenerator::XorShift128(&state0, &state1);
     array[i] = base::RandomNumberGenerator::ToDouble(state0, state1);
   }
   // Persist current state.
   array[kState0Offset] = uint64_to_double(state0);
   array[kState1Offset] = uint64_to_double(state1);
   return *typed_array;
 }
 }  // namespace internal
 }  // namespace v8