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

Issue 1288923002: Revert of [runtime] Remove useless IN builtin. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 4 months ago
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Index: src/full-codegen/x64/full-codegen-x64.cc
diff --git a/src/full-codegen/x64/full-codegen-x64.cc b/src/full-codegen/x64/full-codegen-x64.cc
index 354b52bcf944516bb44a152a28975cefe79c41f1..eda5207026b8fdff1484eb837f9252ace5646311 100644
--- a/src/full-codegen/x64/full-codegen-x64.cc
+++ b/src/full-codegen/x64/full-codegen-x64.cc
@@ -3230,6 +3230,27 @@
PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
__ JumpIfSmi(rax, if_true);
__ jmp(if_false);
+
+ context()->Plug(if_true, if_false);
+}
+
+
+void FullCodeGenerator::EmitIsNonNegativeSmi(CallRuntime* expr) {
+ ZoneList<Expression*>* args = expr->arguments();
+ DCHECK(args->length() == 1);
+
+ VisitForAccumulatorValue(args->at(0));
+
+ 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);
+
+ PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
+ Condition non_negative_smi = masm()->CheckNonNegativeSmi(rax);
+ Split(non_negative_smi, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
}
@@ -5013,7 +5034,7 @@
switch (op) {
case Token::IN:
VisitForStackValue(expr->right());
- __ CallRuntime(Runtime::kHasProperty, 2);
+ __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION);
PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
__ CompareRoot(rax, Heap::kTrueValueRootIndex);
Split(equal, if_true, if_false, fall_through);
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