PPC/s390: [builtins] Introduce proper Float64Cos and Float64Sin.

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

Index: src/compiler/ppc/code-generator-ppc.cc
diff --git a/src/compiler/ppc/code-generator-ppc.cc b/src/compiler/ppc/code-generator-ppc.cc
index 789e72b5cb3f3ccf453f3c495f761bcf5fb293a6..9ed40a7d7839f635b92e639d569bead8ecd629d4 100644
--- a/src/compiler/ppc/code-generator-ppc.cc
+++ b/src/compiler/ppc/code-generator-ppc.cc
@@ -1263,9 +1263,24 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     case kIeee754Float64Atan2:
       ASSEMBLE_IEEE754_BINOP(atan2);
       break;
+    case kIeee754Float64Cbrt:
+      ASSEMBLE_IEEE754_UNOP(cbrt);
+      break;
+    case kIeee754Float64Sin:
+      ASSEMBLE_IEEE754_UNOP(sin);
+      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;
     case kIeee754Float64Log:
       ASSEMBLE_IEEE754_UNOP(log);
       break;