On Fri, 8 Sep 2023 12:34:39 GMT, Andrew Haley <a...@openjdk.org> wrote:
>> This PR fixes a specific problem caused by using r29/rfp to unwind Java >> code. For some time we have treated r29 as a callee-saved scratch register, >> and it is freely used by C2-generated code. Therefore, any code in SA that >> uses getFP() in a compiled frame is very likely to come to grief. >> >> I believe this is the root cause of 8313800, but it's very hard to prove >> that because because it's something of an intermittent fault. > > Andrew Haley has updated the pull request incrementally with one additional > commit since the last revision: > > Duplicated comment Marked as reviewed by cjplummer (Reviewer). ------------- PR Review: https://git.openjdk.org/jdk/pull/15624#pullrequestreview-1620709638