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Unified Diff: src/full-codegen/arm64/full-codegen-arm64.cc

Issue 1304633002: Correctify instanceof and make it optimizable. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: REBASE. Add MIPS/MIPS64 ports. Created 5 years, 4 months ago
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Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 9fa5e26f27a9099100e33a995d385249f8e459ce..6d98c15d3cf16f9156d25777ee1ed36b69da910d 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -4798,12 +4798,13 @@ void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
break;
case Token::INSTANCEOF: {
- VisitForStackValue(expr->right());
- InstanceofStub stub(isolate(), InstanceofStub::kNoFlags);
+ VisitForAccumulatorValue(expr->right());
+ __ Pop(x1);
+ InstanceOfStub stub(isolate());
__ CallStub(&stub);
- PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
- // The stub returns 0 for true.
- __ CompareAndSplit(x0, 0, eq, if_true, if_false, fall_through);
+ PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
+ __ CompareRoot(x0, Heap::kTrueValueRootIndex);
+ Split(eq, if_true, if_false, fall_through);
break;
}
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