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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 19
Affects Version/s: 8, 11, 17, 18, 19
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b05

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8283259	18.0.2	Aleksey Shipilev	P4	Resolved	Fixed	b02
JDK-8283155	17.0.4-oracle	Tobias Hartmann	P4	Resolved	Fixed	b01
JDK-8283040	17.0.4	Aleksey Shipilev	P4	Resolved	Fixed	b01
JDK-8283156	11.0.16-oracle	Tobias Hartmann	P4	Resolved	Fixed	b01
JDK-8283039	11.0.16	Aleksey Shipilev	P4	Resolved	Fixed	b01

Got the SIGILLs on some machines when testing ~~JDK-8279621~~. That patch started using shorter vpxor versions on UseAVX = 1 path, which tried to use VEX.256-encoded vpxor instruction that is only available on AVX2. This should be at very least asserted in assembler code.

backported by

JDK-8283039 x86: AVX2 versions of vpxor should be asserted

Resolved

JDK-8283040 x86: AVX2 versions of vpxor should be asserted

Resolved

JDK-8283155 x86: AVX2 versions of vpxor should be asserted

Resolved

JDK-8283156 x86: AVX2 versions of vpxor should be asserted

Resolved

JDK-8283259 x86: AVX2 versions of vpxor should be asserted

Resolved

relates to

JDK-8005419 Improve intrinsics code performance on x86 by using AVX2

Resolved

JDK-8279621 x86_64 arraycopy stubs should use 256-bit copies with AVX=1

Closed

links to

Commit openjdk/jdk11u-dev/11231206

Commit openjdk/jdk17u-dev/5edb9822

Commit openjdk/jdk18u/6b5706a8

Commit openjdk/jdk/2bbeae3f

Review openjdk/jdk11u-dev/872

Review openjdk/jdk17u-dev/226

Review openjdk/jdk18u/39

Review openjdk/jdk/7005

(2 relates to, 8 links to)

Assignee:: Aleksey Shipilev

Reporter:: Aleksey Shipilev

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 2022-01-10 02:16

Updated:: 2022-03-16 05:27

Resolved:: 2022-01-11 02:29

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