[Bug 3774] New: [IcedTea7] Backport latest AArch64 fixes to release branch for 2.6.21

bugzilla-daemon at icedtea.classpath.org bugzilla-daemon at icedtea.classpath.org
Thu Feb 6 02:31:46 UTC 2020


            Bug ID: 3774
           Summary: [IcedTea7] Backport latest AArch64 fixes to release
                    branch for 2.6.21
           Product: IcedTea
           Version: 2.x-hg
          Hardware: aarch64
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: IcedTea
          Assignee: gnu.andrew at redhat.com
          Reporter: gnu.andrew at redhat.com
                CC: unassigned at icedtea.classpath.org

Recent 8u backports may be applicable to the 7 code as well:

changeset:   11415:09d4b646f756
parent:      11398:02145a45eff6
user:        fyang
date:        Tue Nov 12 17:54:52 2019 +0800
summary:     8233839: aarch64: missing memory barrier in NewObjectArrayStub and

changeset:   11513:9495a9f80d99
user:        aph
date:        Thu Sep 24 12:04:57 2015 +0200
summary:     8135018: AARCH64: Missing memory barriers for CMS collector

The following requires the optimisation of volatile puts/gets which is not
present in IcedTea 2.x:

changeset:   11398:02145a45eff6
user:        roland
date:        Mon Nov 05 12:53:55 2018 +0100
summary:     8209835: Aarch64: elide barriers on all volatile operations

changeset:   8823:17b38ca19e23
user:        adinn
date:        Thu Oct 08 11:06:07 2015 -0400
summary:     Backport optimization of volatile puts/gets and CAS to use

The following supports mainline 8073108 support which is not present in 7u:

changeset:   11535:c81fd2ed614a
tag:         aarch64-shenandoah-jdk8u242-b07
user:        ascarpino
date:        Mon Jan 13 05:52:26 2020 +0000
summary:     8073108: [AArch64] Use x86 and SPARC CPU instructions for GHASH

Equivalent of bug 2852, bug 3204, bug 3320, bug 3521, bug 3669, bug 3726 and
bug 3772 for earlier IcedTea 2.x releases.

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