[builtins] Introduce proper Float64Cos and Float64Sin.

src/crankshaft/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 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/crankshaft/arm64/lithium-codegen-arm64.h"
 
 #include "src/arm64/frames-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 3528 matching lines @@
   // represent, encoded as a double.
   __ Mov(result_bits, double_to_rawbits(0x80000000));
   __ B(deferred->allocation_entry());
 
   __ Bind(deferred->exit());
   __ Str(result_bits, FieldMemOperand(result, HeapNumber::kValueOffset));
 
   __ Bind(&done);
 }
 
+void LCodeGen::DoMathCos(LMathCos* instr) {
+  DCHECK(instr->IsMarkedAsCall());
+  DCHECK(ToDoubleRegister(instr->value()).is(d0));
+  __ CallCFunction(ExternalReference::ieee754_cos_function(isolate()), 0, 1);
+  DCHECK(ToDoubleRegister(instr->result()).Is(d0));
+}
+
+void LCodeGen::DoMathSin(LMathSin* instr) {
+  DCHECK(instr->IsMarkedAsCall());
+  DCHECK(ToDoubleRegister(instr->value()).is(d0));
+  __ CallCFunction(ExternalReference::ieee754_sin_function(isolate()), 0, 1);
+  DCHECK(ToDoubleRegister(instr->result()).Is(d0));
+}
 
 void LCodeGen::DoMathExp(LMathExp* instr) {
   DCHECK(instr->IsMarkedAsCall());
   DCHECK(ToDoubleRegister(instr->value()).is(d0));
   __ CallCFunction(ExternalReference::ieee754_exp_function(isolate()), 0, 1);
   DCHECK(ToDoubleRegister(instr->result()).Is(d0));
 }
 
 
 void LCodeGen::DoMathFloorD(LMathFloorD* instr) {
@@ skipping 2173 matching lines @@
   // Index is equal to negated out of object property index plus 1.
   __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ Ldr(result, FieldMemOperand(result,
                                  FixedArray::kHeaderSize - kPointerSize));
   __ Bind(deferred->exit());
   __ Bind(&done);
 }
 
 }  // namespace internal
 }  // namespace v8