[builtins] Introduce proper Float64Cos and Float64Sin.

src/crankshaft/ia32/lithium-codegen-ia32.cc

Index: src/crankshaft/ia32/lithium-codegen-ia32.cc
diff --git a/src/crankshaft/ia32/lithium-codegen-ia32.cc b/src/crankshaft/ia32/lithium-codegen-ia32.cc
index 48a7f3f13558bb0cc33b1c19afdd4389f2121bca..d9ab65f7bfd3fc0c9760b1379b804ce054ee925a 100644
--- a/src/crankshaft/ia32/lithium-codegen-ia32.cc
+++ b/src/crankshaft/ia32/lithium-codegen-ia32.cc
@@ -3421,6 +3421,35 @@ void LCodeGen::DoMathClz32(LMathClz32* instr) {
   __ Lzcnt(result, input);
 }
 
+void LCodeGen::DoMathCos(LMathCos* instr) {
+  XMMRegister input = ToDoubleRegister(instr->value());
+  XMMRegister result = ToDoubleRegister(instr->result());
+  // Pass one double as argument on the stack.
+  __ PrepareCallCFunction(2, eax);
+  __ movsd(Operand(esp, 0 * kDoubleSize), input);
+  __ CallCFunction(ExternalReference::ieee754_cos_function(isolate()), 2);
+  // Return value is in st(0) on ia32.
+  // Store it into the result register.
+  __ sub(esp, Immediate(kDoubleSize));
+  __ fstp_d(Operand(esp, 0));
+  __ movsd(result, Operand(esp, 0));
+  __ add(esp, Immediate(kDoubleSize));
+}
+
+void LCodeGen::DoMathSin(LMathSin* instr) {
+  XMMRegister input = ToDoubleRegister(instr->value());
+  XMMRegister result = ToDoubleRegister(instr->result());
+  // Pass one double as argument on the stack.
+  __ PrepareCallCFunction(2, eax);
+  __ movsd(Operand(esp, 0 * kDoubleSize), input);
+  __ CallCFunction(ExternalReference::ieee754_sin_function(isolate()), 2);
+  // Return value is in st(0) on ia32.
+  // Store it into the result register.
+  __ sub(esp, Immediate(kDoubleSize));
+  __ fstp_d(Operand(esp, 0));
+  __ movsd(result, Operand(esp, 0));
+  __ add(esp, Immediate(kDoubleSize));
+}
 
 void LCodeGen::DoMathExp(LMathExp* instr) {
   XMMRegister input = ToDoubleRegister(instr->value());