ARM: Implement DoPower in the lithium code generator.

src/v8.cc

Index: src/v8.cc
diff --git a/src/v8.cc b/src/v8.cc
index 0ff764934089610e0c9ece0faa48ce72e08e1eb4..945043da9bc23cd100dae7fefea8facbdf0181ad 100644
--- a/src/v8.cc
+++ b/src/v8.cc
@@ -54,7 +54,12 @@ bool V8::Initialize(Deserializer* des) {
   if (has_been_disposed_ || has_fatal_error_) return false;
   if (IsRunning()) return true;
 
+#if defined(V8_TARGET_ARCH_ARM) && !defined(USE_ARM_EABI)
+  use_crankshaft_ = false;
+#else
   use_crankshaft_ = FLAG_crankshaft;
+#endif
+
   // Peephole optimization might interfere with deoptimization.
   FLAG_peephole_optimization = !use_crankshaft_;
   is_running_ = true;