211096 2020-04-27 14:51:45 -0700 compilePeepHoleBigInt32Branch needs to handle all conditions 2020-04-27 17:35:50 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=210922 InRadar P2 Normal --- 1 ryanhaddad saam ews-watchlist keith_miller mark.lam msaboff saam tzagallo webkit-bot-watchers-bugzilla webkit-bug-importer ysuzuki oldest_to_newest 1646240 0 ryanhaddad 2020-04-27 14:51:45 -0700 The following assertion failure is seen with microbenchmarks/sunspider-sha1-big-int.js on the debug JSC bot: ASSERTION FAILED: mode == ManualOperandSpeculation || edge.useKind() == UntypedUse /Volumes/Data/slave/catalina-debug/build/Source/JavaScriptCore/dfg/DFGSpeculativeJIT.h(1765) : JSC::DFG::JSValueOperand::JSValueOperand(JSC::DFG::SpeculativeJIT *, JSC::DFG::Edge, JSC::DFG::OperandSpeculationMode) 1 0x10161da39 WTFCrash 2 0x101d9ef1b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x1018202ed JSC::DFG::JSValueOperand::JSValueOperand(JSC::DFG::SpeculativeJIT*, JSC::DFG::Edge, JSC::DFG::OperandSpeculationMode) 4 0x1017945bb JSC::DFG::JSValueOperand::JSValueOperand(JSC::DFG::SpeculativeJIT*, JSC::DFG::Edge, JSC::DFG::OperandSpeculationMode) 5 0x10179b419 JSC::DFG::SpeculativeJIT::nonSpeculativePeepholeBranch(JSC::DFG::Node*, JSC::DFG::Node*, JSC::MacroAssemblerX86Common::RelationalCondition, unsigned long (*)(JSC::JSGlobalObject*, long long, long long)) 6 0x10179b075 JSC::DFG::SpeculativeJIT::compilePeepHoleBranch(JSC::DFG::Node*, JSC::MacroAssemblerX86Common::RelationalCondition, JSC::MacroAssemblerX86Common::DoubleCondition, unsigned long (*)(JSC::JSGlobalObject*, long long, long long)) 7 0x1017c2c28 JSC::DFG::SpeculativeJIT::compare(JSC::DFG::Node*, JSC::MacroAssemblerX86Common::RelationalCondition, JSC::MacroAssemblerX86Common::DoubleCondition, unsigned long (*)(JSC::JSGlobalObject*, long long, long long)) 8 0x10196ff0b JSC::DFG::SpeculativeJIT::compile(JSC::DFG::Node*) 9 0x10179c91a JSC::DFG::SpeculativeJIT::compileCurrentBlock() 10 0x10179e688 JSC::DFG::SpeculativeJIT::compile() 11 0x1024f99c6 JSC::DFG::JITCompiler::compileBody() 12 0x1024fcc07 JSC::DFG::JITCompiler::compileFunction() 13 0x1025aaecd JSC::DFG::Plan::compileInThreadImpl() 14 0x1025a87c8 JSC::DFG::Plan::compileInThread(JSC::DFG::ThreadData*) 15 0x10270929e JSC::DFG::Worklist::ThreadBody::work() 16 0x1016344b3 WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0::operator()() const 17 0x10163409e WTF::Detail::CallableWrapper<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0, void>::call() 18 0x101648012 WTF::Function<void ()>::operator()() const 19 0x1016ffcc8 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) 20 0x10170d158 WTF::wtfThreadEntryPoint(void*) 21 0x7fff68d17109 _pthread_start 22 0x7fff68d12b8b thread_start https://build.webkit.org/builders/Apple-Catalina-Debug-JSC-Tests/builds/765/steps/jscore-test/logs/stdio 1646242 1 webkit-bug-importer 2020-04-27 14:52:13 -0700 <rdar://problem/62469971> 1646245 2 ryanhaddad 2020-04-27 14:56:41 -0700 This test was added with https://trac.webkit.org/changeset/260683/webkit 1646281 3 397756 saam 2020-04-27 15:55:09 -0700 Created attachment 397756 patch 1646283 4 397756 ysuzuki 2020-04-27 15:58:39 -0700 Comment on attachment 397756 patch View in context: https://bugs.webkit.org/attachment.cgi?id=397756&action=review r=me > Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp:1782 > I recommend putting GPRReg op1GPR = op1.gpr(); GPRReg op2GPR = op2.gpr(); And use op1GPR and op2GPR. 1646287 5 397757 saam 2020-04-27 16:07:34 -0700 Created attachment 397757 patch for landing 1646327 6 ews-feeder 2020-04-27 17:35:49 -0700 Committed r260802: <https://trac.webkit.org/changeset/260802> All reviewed patches have been landed. Closing bug and clearing flags on attachment 397757. 397756 2020-04-27 15:55:09 -0700 2020-04-27 16:07:34 -0700 patch a-backup.diff text/plain 3952 saam SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMjYwNzkzKQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDI0IEBA CisyMDIwLTA0LTI3ICBTYWFtIEJhcmF0aSAgPHNiYXJhdGlAYXBwbGUuY29tPgorCisgICAgICAg IGNvbXBpbGVQZWVwSG9sZUJpZ0ludDMyQnJhbmNoIG5lZWRzIHRvIGhhbmRsZSBhbGwgY29uZGl0 aW9ucworICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjEx MDk2CisgICAgICAgIDxyZGFyOi8vcHJvYmxlbS82MjQ2OTk3MT4KKworICAgICAgICBSZXZpZXdl ZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBXZSB3ZXJlIGZhbGxpbmcgdGhyb3VnaCB0 byB0aGUgZ2VuZXJpYyBwYXRoIGZvciBhbGwgY29uZGl0aW9ucyB3aGljaAorICAgICAgICB3ZXJl bid0IEVxdWFsL05vdEVxdWFsLiBUaGUgZ2VuZXJpYyBwYXRoIGRvZXMgbm90IGRvIHNwZWN1bGF0 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