RFR: 8291302: ARM32: nmethod entry barriers support [v4]
Andrew Haley
aph at openjdk.org
Sat Dec 24 10:09:54 UTC 2022
On Thu, 8 Dec 2022 15:02:18 GMT, Aleksei Voitylov <avoitylov at openjdk.org> wrote:
>> This PR implements nmethod entry barriers for ARM32. It has already been implemented for other ports and is related with JDK-8290025 "Remove the Sweeper".
>
> Aleksei Voitylov has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
>
> - Merge branch 'openjdk:master' into JDK-8291302-3
> - remove membar
> - save float registers
> - 8291302: ARM32: nmethod entry barriers support
src/hotspot/cpu/arm/arm.ad line 294:
> 292:
> 293: if (C->stub_function() == NULL && BarrierSet::barrier_set()->barrier_set_nmethod() != NULL) {
> 294: st->print("ldr t0, [guard]\n\t");
Suggestion:
st->print("ldr t0, [guard]\n\t");
-------------
PR: https://git.openjdk.org/jdk/pull/11442
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