[builtins] Introduce proper Float64Cos and Float64Sin.

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index 56d49b3245edecd89a466e3d444f93190e49d2a5..3a6302d74ac1a50ef7e583b9ecf73f0f6286e402 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -813,9 +813,18 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     case kIeee754Float64Atan2:
       ASSEMBLE_IEEE754_BINOP(atan2);
       break;
+    case kIeee754Float64Cos:
+      ASSEMBLE_IEEE754_UNOP(cos);
+      break;
+    case kIeee754Float64Cbrt:
+      ASSEMBLE_IEEE754_UNOP(cbrt);
+      break;
     case kIeee754Float64Exp:
       ASSEMBLE_IEEE754_UNOP(exp);
       break;
+    case kIeee754Float64Expm1:
+      ASSEMBLE_IEEE754_UNOP(expm1);
+      break;
     case kIeee754Float64Atanh:
       ASSEMBLE_IEEE754_UNOP(atanh);
       break;
@@ -831,11 +840,8 @@ 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 kArm64Float32RoundDown:
       __ Frintm(i.OutputFloat32Register(), i.InputFloat32Register(0));