> 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 three additional commits since the last revision: - Revert "Remove tests from ProblemList files." This reverts commit a373a9edba14c381fca07087e97a480311bfec51. - Merge branch 'JDK-8313800-2' of https://github.com/theRealAph/jdk into JDK-8313800-2 - Remove tests from ProblemList files. ------------- Changes: - all: https://git.openjdk.org/jdk/pull/15624/files - new: https://git.openjdk.org/jdk/pull/15624/files/a8d14946..1ca538da Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=15624&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15624&range=01-02 Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/15624.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/15624/head:pull/15624 PR: https://git.openjdk.org/jdk/pull/15624
