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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 12
Affects Version/s: 8u172, 12
Component/s: hotspot
Labels:
Environment:

Zero on ARMv7

Subcomponent:
runtime
Resolved In Build:
b15
OS:

linux

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8212068	11.0.2	Severin Gehwolf	P4	Resolved	Fixed	b01
JDK-8214616	8u211	Severin Gehwolf	P4	Resolved	Fixed	b01
JDK-8212009	8u202	Severin Gehwolf	P4	Resolved	Fixed	b01
JDK-8220869	emb-8u211	Severin Gehwolf	P4	Resolved	Fixed	master

The Zero routine for atomic_copy64 should use the same as is done for JDK 7. JDK 7 Zero maintained at IcedTea uses ldrexd for atomic reads on ARMv7:

https://icedtea.classpath.org/hg/icedtea7-forest/hotspot/rev/b0a871360c6b

The Zero port in latest JDK should use the same.

backported by

JDK-8212009 [Zero] atomic_copy64: Use ldrexd for atomic reads on ARMv7

Resolved

JDK-8212068 [Zero] atomic_copy64: Use ldrexd for atomic reads on ARMv7

Resolved

JDK-8214616 [Zero] atomic_copy64: Use ldrexd for atomic reads on ARMv7

Resolved

JDK-8220869 [Zero] atomic_copy64: Use ldrexd for atomic reads on ARMv7

Resolved

relates to

JDK-8253464 ARM32 Zero: atomic_copy64 is incorrect, breaking volatile stores

Resolved

Assignee:: Severin Gehwolf

Reporter:: Severin Gehwolf

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Created:: 2018-10-02 04:56

Updated:: 2020-09-22 04:44

Resolved:: 2018-10-09 01:51

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