[aarch64-port-dev ] RFR: aarch64: backports to JDK 7

[Edward Nevill]

Hi,

Please review the following backports to JDK 7

http://cr.openjdk.java.net/~enevill/jdk7_backports_1511/

Tested with jtreg hotspot & langtools. Results the same before and after.

Hotspot: Test results: passed: 297; failed: 12; error: 2
Langtools: Test results: passed: 1,971; failed: 1; error: 2

Summary of the changesets below.

Thanks,
Ed.

---
enevill at arm64:~/icedtea7-forest/hotspot$ hg outgoing
comparing with ssh://enevill@icedtea.classpath.org/hg/icedtea7-forest/hotspot
running ssh enevill at icedtea.classpath.org 'hg -R hg/icedtea7-forest/hotspot serve --stdio'
searching for changes
changeset:   6380:5b6efbae9fea
user:        aph
date:        Wed Nov 04 13:38:38 2015 +0100
files:       src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp
description:
8138966: Intermittent SEGV running ParallelGC
Summary: Add necessary memory fences so that the parallel threads are unable to observe partially filled block tables.
Reviewed-by: tschatzl


changeset:   6381:c7679d143590
user:        enevill
date:        Thu Nov 19 15:15:20 2015 +0000
files:       src/cpu/aarch64/vm/assembler_aarch64.cpp
description:
8143067: aarch64: guarantee failure in javac
Summary: Fix adrp going out of range during code relocation
Reviewed-by: aph, kvn


changeset:   6382:eeb4a3ec4563
tag:         tip
user:        hshi
date:        Tue Nov 24 09:02:26 2015 +0000
files:       src/cpu/aarch64/vm/interp_masm_aarch64.cpp
description:
8143285: aarch64: Missing load acquire when checking if ConstantPoolCacheEntry is resolved
Reviewed-by: roland, aph
---