Reviewers: Weiliang, Dmitry Lomov (chromium),
Message:
WL.
PTAL.
Description:
X87: Implement the new semantics for 'super(...)'
original commit message:
Implement the new semantics for 'super(...)'
Per the latest ES6 draft, super(...) translates into a call
to function's prototype.
BUG=
Please review this at https://codereview.chromium.org/642603006/
Base URL: https://chromium.googlesource.com/external/v8.git@bleeding_edge
Affected files (+8, -0 lines):
M src/x87/full-codegen-x87.cc
Index: src/x87/full-codegen-x87.cc
diff --git a/src/x87/full-codegen-x87.cc b/src/x87/full-codegen-x87.cc
index
0c4ddb82154d279813c5ac26b8eab954d7d9f5e3..8ae718f1609c9bdda157cb466bc0f5e3efe85f3e
100644
--- a/src/x87/full-codegen-x87.cc
+++ b/src/x87/full-codegen-x87.cc
@@ -2959,6 +2959,14 @@ void FullCodeGenerator::VisitCall(Call* expr) {
EmitKeyedCallWithLoadIC(expr, property->key());
}
}
+ } else if (call_type == Call::SUPER_CALL) {
+ SuperReference* super_ref = callee->AsSuperReference();
+ DCHECK(super_ref != NULL);
+ __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
+ __ CallRuntime(Runtime::kGetPrototype, 1);
+ __ push(result_register());
+ VisitForStackValue(super_ref->this_var());
+ EmitCall(expr, CallICState::METHOD);
} else {
DCHECK(call_type == Call::OTHER_CALL);
// Call to an arbitrary expression not handled specially above.
--
--
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