Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

(0.23.0) JITServer on Z build fixes release2 #10702

Merged
merged 4 commits into from
Sep 25, 2020
Merged

(0.23.0) JITServer on Z build fixes release2 #10702

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
6fbe691
Avoid PC-relative instructions for fieldwatch support
dchopra001 Sep 24, 2020
3156e0d
Set isVettedForAOT to true in ArrayStoreCHK evaluator
dchopra001 Sep 24, 2020
1f0a803
Call base implementation of getSystemClassFromClassName
dchopra001 Sep 24, 2020
9fb8ed5
Common up fieldClass definition
dchopra001 Sep 24, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion runtime/compiler/control/JITClientCompilationThread.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -258,7 +258,9 @@ handleServerMessage(JITServer::ClientStream *client, TR_J9VM *fe, JITServer::Mes
auto recv = client->getRecvData<std::string, bool>();
const std::string name = std::get<0>(recv);
bool isVettedForAOT = std::get<1>(recv);
client->write(response, fe->getSystemClassFromClassName(name.c_str(), name.length(), isVettedForAOT));
// Always need non-AOT front-end here, since class validation is done on the server
TR_J9VMBase *fej9 = TR_J9VMBase::get(vmThread->javaVM->jitConfig, vmThread);
client->write(response, fej9->getSystemClassFromClassName(name.c_str(), name.length(), isVettedForAOT));
}
break;
case MessageType::VM_isMethodTracingEnabled:
Expand Down
6 changes: 3 additions & 3 deletions runtime/compiler/z/codegen/J9TreeEvaluator.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4002,10 +4002,10 @@ J9::Z::TreeEvaluator::generateTestAndReportFieldWatchInstructions(TR::CodeGenera
if (isResolved)
{
fieldClassReg = cg->allocateRegister();
if (!(cg->needClassAndMethodPointerRelocations()))
J9Class *fieldClass = static_cast<TR::J9WatchedStaticFieldSnippet *>(dataSnippet)->getFieldClass();
if (!(cg->needClassAndMethodPointerRelocations()) && cg->canUseRelativeLongInstructions(reinterpret_cast<int64_t>(fieldClass)))
{
// For non-AOT (JIT and JITServer) compiles we don't need to use sideEffectRegister here as the class information is available to us at compile time.
J9Class *fieldClass = static_cast<TR::J9WatchedStaticFieldSnippet *>(dataSnippet)->getFieldClass();
TR_ASSERT_FATAL(fieldClass != NULL, "A valid J9Class must be provided for direct rdbar/wrtbar opcodes %p\n", node);
generateRILInstruction(cg, TR::InstOpCode::LARL, node, fieldClassReg, static_cast<void *>(fieldClass));
}
Expand Down Expand Up @@ -4822,7 +4822,7 @@ VMarrayStoreCHKEvaluator(
if (debugObj)
debugObj->addInstructionComment(cursor, "Check if src.type == array.type");

intptr_t objectClass = (intptr_t) fej9->getSystemClassFromClassName("java/lang/Object", 16, !cg->comp()->isOutOfProcessCompilation());
intptr_t objectClass = (intptr_t) fej9->getSystemClassFromClassName("java/lang/Object", 16, true);
/*
* objectClass is used for Object arrays check optimization: when we are storing to Object arrays we can skip all other array store checks
* However, TR_J9SharedCacheVM::getSystemClassFromClassName can return 0 when it's impossible to relocate j9class later for AOT loads
Expand Down