[builtins] Introduce proper Float64Cos and Float64Sin.

src/compiler/arm/code-generator-arm.cc

Index: src/compiler/arm/code-generator-arm.cc
diff --git a/src/compiler/arm/code-generator-arm.cc b/src/compiler/arm/code-generator-arm.cc
index c344d052e6653cee79efa725a51f550e8b416b01..14433ff7bc9734187fc507c37912d3abd69150ea 100644
--- a/src/compiler/arm/code-generator-arm.cc
+++ b/src/compiler/arm/code-generator-arm.cc
@@ -709,9 +709,18 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     case kIeee754Float64Atan2:
       ASSEMBLE_IEEE754_BINOP(atan2);
       break;
+    case kIeee754Float64Cbrt:
+      ASSEMBLE_IEEE754_UNOP(cbrt);
+      break;
+    case kIeee754Float64Cos:
+      ASSEMBLE_IEEE754_UNOP(cos);
+      break;
     case kIeee754Float64Exp:
       ASSEMBLE_IEEE754_UNOP(exp);
       break;
+    case kIeee754Float64Expm1:
+      ASSEMBLE_IEEE754_UNOP(expm1);
+      break;
     case kIeee754Float64Atanh:
       ASSEMBLE_IEEE754_UNOP(atanh);
       break;
@@ -727,11 +736,8 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     case kIeee754Float64Log10:
       ASSEMBLE_IEEE754_UNOP(log10);
       break;
-    case kIeee754Float64Cbrt:
-      ASSEMBLE_IEEE754_UNOP(cbrt);
-      break;
-    case kIeee754Float64Expm1:
-      ASSEMBLE_IEEE754_UNOP(expm1);
+    case kIeee754Float64Sin:
+      ASSEMBLE_IEEE754_UNOP(sin);
       break;
     case kArmAdd:
       __ add(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1),