ARM: Implement DoPower in the lithium code generator.

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index 42a61c2b8d0656cbcafe10167a4873d0df07821a..8094997b03d96fd87012fcb752d2fdf32c599ce1 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -850,12 +850,14 @@ double power_double_double(double x, double y) {
 
 
 ExternalReference ExternalReference::power_double_double_function() {
-  return ExternalReference(Redirect(FUNCTION_ADDR(power_double_double)));
+  return ExternalReference(Redirect(FUNCTION_ADDR(power_double_double),
+                                    FP_RETURN_CALL));
 }
 
 
 ExternalReference ExternalReference::power_double_int_function() {
-  return ExternalReference(Redirect(FUNCTION_ADDR(power_double_int)));
+  return ExternalReference(Redirect(FUNCTION_ADDR(power_double_int),
+                                    FP_RETURN_CALL));
 }