Index: src/x64/stub-cache-x64.cc |
diff --git a/src/x64/stub-cache-x64.cc b/src/x64/stub-cache-x64.cc |
index bbe6eac9b9b04a69973b8e0bbc84081fe740887f..a6acd9791e499dc942d798e4c0d18f5b7298f575 100644 |
--- a/src/x64/stub-cache-x64.cc |
+++ b/src/x64/stub-cache-x64.cc |
@@ -2424,6 +2424,52 @@ Handle<Code> StoreStubCompiler::CompileStoreCallback( |
} |
+Handle<Code> StoreStubCompiler::CompileStoreViaSetter( |
+ Handle<JSObject> receiver, |
+ Handle<JSFunction> setter, |
+ Handle<String> name) { |
+ // ----------- S t a t e ------------- |
+ // -- rax : value |
+ // -- rcx : name |
+ // -- rdx : receiver |
+ // -- rsp[0] : return address |
+ // ----------------------------------- |
+ Label miss; |
+ |
+ // Check that the map of the object hasn't changed. |
+ __ CheckMap(rdx, Handle<Map>(receiver->map()), &miss, DO_SMI_CHECK, |
+ ALLOW_ELEMENT_TRANSITION_MAPS); |
+ |
+ { |
+ FrameScope scope(masm(), StackFrame::INTERNAL); |
+ |
+ // Save value register, so we can restore it later. |
+ __ push(rax); |
+ |
+ // Call the JavaScript getter with the receiver and the value on the stack. |
+ __ push(rdx); |
+ __ push(rax); |
+ ParameterCount actual(1); |
+ __ InvokeFunction(setter, actual, CALL_FUNCTION, NullCallWrapper(), |
+ CALL_AS_METHOD); |
+ |
+ // We have to return the passed value, not the return value of the setter. |
+ __ pop(rax); |
+ |
+ // Restore context register. |
+ __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); |
+ } |
+ __ ret(0); |
+ |
+ __ bind(&miss); |
+ Handle<Code> ic = isolate()->builtins()->StoreIC_Miss(); |
+ __ Jump(ic, RelocInfo::CODE_TARGET); |
+ |
+ // Return the generated code. |
+ return GetCode(CALLBACKS, name); |
+} |
+ |
+ |
Handle<Code> StoreStubCompiler::CompileStoreInterceptor( |
Handle<JSObject> receiver, |
Handle<String> name) { |