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Watched Subcomponents
JDK
JDK-8281803
AArch64: Optimize masked vector NOT/AND_NOT for SVE
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Details
Type:
Enhancement
Resolution:
Fixed
Priority:
P4
Fix Version/s:
19
Affects Version/s:
19
Component/s:
hotspot
Labels:
C2
performance
vectorapi
Subcomponent:
compiler
Resolved In Build:
b11
CPU:
aarch64
OS:
linux
Description
SVE supports predicated vector not/bic instructions that can be used for masked vector NOT/AND_NOT APIs. We can generate one single instruction for these operations by adding optimized match rules for SVE.
Attachments
Issue Links
links to
Commit
openjdk/jdk/1eec16b4
Review
openjdk/jdk/7486
Activity
People
Assignee:
Xiaohong Gong
Reporter:
Xiaohong Gong
Votes
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0
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Watchers:
3
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Dates
Created:
2022-02-14 23:11
Updated:
2022-02-23 17:48
Resolved:
2022-02-16 21:46