Skip to content

8329597: C2: Intrinsify Reference.clear #20139

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

Closed
wants to merge 19 commits into from
Closed

8329597: C2: Intrinsify Reference.clear #20139

Changes from 1 commit
Commits
Show all changes
19 commits
Select commit Hold shift + click to select a range
ba820da
Crude prototype, still failing the tests
shipilev Apr 3, 2024
e04d9e1
Fixing the conditions, fixing the tests
shipilev Jul 17, 2024
de2176f
More touchups
shipilev Jul 17, 2024
e262e93
Tests work
shipilev Jul 17, 2024
79ece90
More precise barriers
shipilev Jul 17, 2024
437f232
Amend the test case for guaranteing it works under different compilat…
shipilev Jul 19, 2024
7e2bb4a
Merge branch 'master' into JDK-8329597-intrinsify-reference-clear
shipilev Sep 30, 2024
cba0a8e
Attempt at implementing ZGC AArch64 parts
shipilev Sep 30, 2024
35424c0
Tighten up comments in Reference javadoc
shipilev Sep 30, 2024
8ba681a
Fix other arches
shipilev Sep 30, 2024
4fe4a91
Also dispatch to slow-path on other arches
shipilev Sep 30, 2024
18b11ca
Merge branch 'master' into JDK-8329597-intrinsify-reference-clear
shipilev Oct 3, 2024
d23cb78
Review comments
shipilev Oct 3, 2024
0bac3b7
Merge branch 'master' into JDK-8329597-intrinsify-reference-clear
shipilev Oct 3, 2024
c333830
Reconcile with late barrier expansion in G1
shipilev Oct 3, 2024
cf808b9
More precise bit-unmasks
shipilev Oct 6, 2024
7fb2d02
Merge branch 'master' into JDK-8329597-intrinsify-reference-clear
shipilev Oct 9, 2024
9f7ad7a
Simplify: just do keep alive checks
shipilev Oct 9, 2024
479781d
Export in JVMCI too
shipilev Oct 15, 2024
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: 2 additions & 2 deletions src/hotspot/share/gc/g1/c2/g1BarrierSetC2.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -343,8 +343,8 @@ Node* G1BarrierSetC2::store_at_resolved(C2Access& access, C2AccessValue& val) co
// otherwise we need a post-store barrier.
C2ParseAccess &parse_access = static_cast<C2ParseAccess &>(access);
if (val.node() == parse_access.kit()->null()) {
access.set_barrier_data(access.barrier_data() & !G1C2BarrierPre);
access.set_barrier_data(access.barrier_data() & !G1C2BarrierPost);
access.set_barrier_data(access.barrier_data() & ~G1C2BarrierPre);
access.set_barrier_data(access.barrier_data() & ~G1C2BarrierPost);
}
}
return BarrierSetC2::store_at_resolved(access, val);
Expand Down