Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(367)

Unified Diff: src/full-codegen/x64/full-codegen-x64.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
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/full-codegen/mips64/full-codegen-mips64.cc ('k') | src/hydrogen.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
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 f0796f7cb782f60561beb16a66df22b7ae98cf88..715678cc750c30263e1253cf5ade88d6727f6f6f 100644
--- a/src/full-codegen/x64/full-codegen-x64.cc
+++ b/src/full-codegen/x64/full-codegen-x64.cc
@@ -5041,13 +5041,13 @@ void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
break;
case Token::INSTANCEOF: {
- VisitForStackValue(expr->right());
- InstanceofStub stub(isolate(), InstanceofStub::kNoFlags);
+ VisitForAccumulatorValue(expr->right());
+ __ Pop(rdx);
+ InstanceOfStub stub(isolate());
__ CallStub(&stub);
- PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
- __ testp(rax, rax);
- // The stub returns 0 for true.
- Split(zero, if_true, if_false, fall_through);
+ PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
+ __ CompareRoot(rax, Heap::kTrueValueRootIndex);
+ Split(equal, if_true, if_false, fall_through);
break;
}
« no previous file with comments | « src/full-codegen/mips64/full-codegen-mips64.cc ('k') | src/hydrogen.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698