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Unified Diff: src/x64/full-codegen-x64.cc

Issue 2877018: Refactor type checks in v8natives.js and runtime.js.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 5 months ago
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Index: src/x64/full-codegen-x64.cc
===================================================================
--- src/x64/full-codegen-x64.cc (revision 5085)
+++ src/x64/full-codegen-x64.cc (working copy)
@@ -1991,6 +1991,25 @@
}
+void FullCodeGenerator::EmitIsSpecObject(ZoneList<Expression*>* args) {
+ ASSERT(args->length() == 1);
+
+ VisitForValue(args->at(0), kAccumulator);
+
+ Label materialize_true, materialize_false;
+ Label* if_true = NULL;
+ Label* if_false = NULL;
+ PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false);
+
+ __ JumpIfSmi(rax, if_false);
+ __ CmpObjectType(rax, FIRST_JS_OBJECT_TYPE, rbx);
+ __ j(above_equal, if_true);
+ __ jmp(if_false);
+
+ Apply(context_, if_true, if_false);
+}
+
+
void FullCodeGenerator::EmitIsUndetectableObject(ZoneList<Expression*>* args) {
ASSERT(args->length() == 1);
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