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Type: Bug
Resolution: Fixed
Priority: P3
Fix Version/s: 19
Affects Version/s: 11, 17, 18, 19
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b13
CPU:

x86

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8284261	18.0.2	Tobias Hartmann	P3	Resolved	Fixed	b02
JDK-8283833	17.0.4-oracle	Tobias Hartmann	P3	Resolved	Fixed	b01
JDK-8284145	17.0.4	Martin Doerr	P3	Resolved	Fixed	b01
JDK-8284056	11.0.16-oracle	Tobias Hartmann	P3	Resolved	Fixed	b02
JDK-8284514	11.0.16	Goetz Lindenmaier	P3	Resolved	Fixed	b01

The current evbroadcasti32x4 method in assembler_x86.cpp has it requiring AVX512DQ and creating the opcode with an Op/En as T2. According to the Intel SDM, this form of the vbroadcasti32x4 only requires AVX512F (change to VM_Version::supports_evex()) and should use an Op / En value of T4.

backported by

JDK-8283833 Minor corrections to evbroadcasti32x4 intrinsic on x86

Resolved

JDK-8284056 Minor corrections to evbroadcasti32x4 intrinsic on x86

Resolved

JDK-8284145 Minor corrections to evbroadcasti32x4 intrinsic on x86

Resolved

JDK-8284261 Minor corrections to evbroadcasti32x4 intrinsic on x86

Resolved

JDK-8284514 Minor corrections to evbroadcasti32x4 intrinsic on x86

Resolved

relates to

JDK-8245512 CRC32 optimization using AVX512 instructions

Resolved

links to

Commit openjdk/jdk11u-dev/6aa09f0f

Commit openjdk/jdk17u-dev/f883f516

Commit openjdk/jdk18u/1417c0f6

Commit openjdk/jdk/8b45dbda

Review openjdk/jdk11u-dev/1011

Review openjdk/jdk17u-dev/304

Review openjdk/jdk18u/62

Review openjdk/jdk/7732

(1 relates to, 8 links to)

Assignee:: Jamil Nimeh

Reporter:: Jamil Nimeh

Votes:: 0 Vote for this issue

Watchers:: 6 Start watching this issue

Created:: 2022-02-23 08:18

Updated:: 2022-04-07 01:38

Resolved:: 2022-03-07 21:53

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