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Watched Subcomponents
JDK
JDK-8183533
AArch64: redundant registers saving in arraycopy stubs
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Details
Type:
Enhancement
Resolution:
Fixed
Priority:
P4
Fix Version/s:
10
Affects Version/s:
9
,
10
Component/s:
hotspot
Labels:
c2
openjdk
Subcomponent:
compiler
Resolved In Build:
b21
CPU:
aarch64
Description
In arraycopy stubs, gen_write_ref_array_*_barrier will save all call clobbered registers. Those saves are actually redundant.
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Assignee:
Ningsheng Jian (Inactive)
Reporter:
Ningsheng Jian (Inactive)
Votes:
0
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Watchers:
2
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Dates
Created:
2017-07-04 01:16
Updated:
2017-08-24 22:26
Resolved:
2017-07-20 07:33