Index: src/arm/full-codegen-arm.cc |
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc |
index e24dd1890d4df79199c59faec8ae069ebb91990c..ab54d0b22003b76acc120c852b42da34d53a9682 100644 |
--- a/src/arm/full-codegen-arm.cc |
+++ b/src/arm/full-codegen-arm.cc |
@@ -3574,6 +3574,39 @@ void FullCodeGenerator::EmitFastAsciiArrayJoin(ZoneList<Expression*>* args) { |
} |
+void FullCodeGenerator::EmitIsNativeOrStrictMode(ZoneList<Expression*>* args) { |
+ ASSERT(args->length() == 1); |
+ |
+ // Load the function into r0. |
+ VisitForAccumulatorValue(args->at(0)); |
+ |
+ // Prepare for the test. |
+ Label materialize_true, materialize_false; |
+ Label* if_true = NULL; |
+ Label* if_false = NULL; |
+ Label* fall_through = NULL; |
+ context()->PrepareTest(&materialize_true, &materialize_false, |
+ &if_true, &if_false, &fall_through); |
+ |
+ // Test for strict mode function. |
+ __ ldr(r1, FieldMemOperand(r0, JSFunction::kSharedFunctionInfoOffset)); |
+ __ ldr(r1, FieldMemOperand(r1, SharedFunctionInfo::kCompilerHintsOffset)); |
+ __ tst(r1, Operand(1 << (SharedFunctionInfo::kStrictModeFunction + |
+ kSmiTagSize))); |
+ __ b(ne, if_true); |
+ |
+ // Test for native function. |
+ __ tst(r1, Operand(1 << (SharedFunctionInfo::kNative + kSmiTagSize))); |
+ __ b(ne, if_true); |
+ |
+ // Not native or strict-mode function. |
+ __ b(if_false); |
+ |
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false); |
+ context()->Plug(if_true, if_false); |
+} |
+ |
+ |
void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) { |
Handle<String> name = expr->name(); |
if (name->length() > 0 && name->Get(0) == '_') { |