[builtins] Unify Atanh, Cbrt and Expm1 as exports from flibm.

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 a5333762c79127acc717911c2dcc4d40f59ab399..56d49b3245edecd89a466e3d444f93190e49d2a5 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -816,6 +816,9 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     case kIeee754Float64Exp:
       ASSEMBLE_IEEE754_UNOP(exp);
       break;
+    case kIeee754Float64Atanh:
+      ASSEMBLE_IEEE754_UNOP(atanh);
+      break;
     case kIeee754Float64Log:
       ASSEMBLE_IEEE754_UNOP(log);
       break;
@@ -828,6 +831,12 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     case kIeee754Float64Log10:
       ASSEMBLE_IEEE754_UNOP(log10);
       break;
+    case kIeee754Float64Cbrt:
+      ASSEMBLE_IEEE754_UNOP(cbrt);
+      break;
+    case kIeee754Float64Expm1:
+      ASSEMBLE_IEEE754_UNOP(expm1);
+      break;
     case kArm64Float32RoundDown:
       __ Frintm(i.OutputFloat32Register(), i.InputFloat32Register(0));
       break;