[builtins] Introduce proper Float64Cos and Float64Sin.

test/cctest/compiler/test-run-machops.cc

Index: test/cctest/compiler/test-run-machops.cc
diff --git a/test/cctest/compiler/test-run-machops.cc b/test/cctest/compiler/test-run-machops.cc
index 62af9b248fba701a2a3e6f97ee74e8a2d650edfb..5c1ff380c5d69055a92d8667268e2a6bd84e8caf 100644
--- a/test/cctest/compiler/test-run-machops.cc
+++ b/test/cctest/compiler/test-run-machops.cc
@@ -5529,6 +5529,14 @@ TEST(RunFloat64Atanh) {
   FOR_FLOAT64_INPUTS(i) { CHECK_DOUBLE_EQ(ieee754::atanh(*i), m.Call(*i)); }
 }
 
+TEST(RunFloat64Cos) {
+  BufferedRawMachineAssemblerTester<double> m(MachineType::Float64());
+  m.Return(m.Float64Cos(m.Parameter(0)));
+  CHECK(std::isnan(m.Call(std::numeric_limits<double>::quiet_NaN())));
+  CHECK(std::isnan(m.Call(std::numeric_limits<double>::signaling_NaN())));
+  FOR_FLOAT64_INPUTS(i) { CHECK_DOUBLE_EQ(ieee754::cos(*i), m.Call(*i)); }
+}
+
 TEST(RunFloat64Exp) {
   BufferedRawMachineAssemblerTester<double> m(MachineType::Float64());
   m.Return(m.Float64Exp(m.Parameter(0)));
@@ -5623,6 +5631,14 @@ TEST(RunFloat64Cbrt) {
   FOR_FLOAT64_INPUTS(i) { CHECK_DOUBLE_EQ(ieee754::cbrt(*i), m.Call(*i)); }
 }
 
+TEST(RunFloat64Sin) {
+  BufferedRawMachineAssemblerTester<double> m(MachineType::Float64());
+  m.Return(m.Float64Sin(m.Parameter(0)));
+  CHECK(std::isnan(m.Call(std::numeric_limits<double>::quiet_NaN())));
+  CHECK(std::isnan(m.Call(std::numeric_limits<double>::signaling_NaN())));
+  FOR_FLOAT64_INPUTS(i) { CHECK_DOUBLE_EQ(ieee754::sin(*i), m.Call(*i)); }
+}
+
 static double two_30 = 1 << 30;             // 2^30 is a smi boundary.
 static double two_52 = two_30 * (1 << 22);  // 2^52 is a precision boundary.
 static double kValues[] = {0.1,