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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 12
Affects Version/s: 11, 12
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b14
CPU:

x86

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8213066	11.0.2	Vladimir Kozlov	P4	Resolved	Fixed	b02

Encode AVX 512 instructions as unmasked instruction where mask register is not specified. Currently unmasked instructions are encoded using k1 register, which requires k1 to be initialized properly and also reinitialized across JNI and Runtime calls

backported by

JDK-8213066 Default mask register for avx512 instructions

Resolved

relates to

JDK-8211375 Minimal VM build failures after JDK-8211251 (Default mask register for avx512 instructions)

Resolved

JDK-8211376 Break the PostLoopMultiversioning dependency between MacroAssembler and C2

Open

JDK-8247838 PostLoopMultiversioning is broken and generates incorrect result

Closed

Assignee:: Vladimir Kozlov

Reporter:: Vivek Deshpande (Inactive)

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: 2018-09-27 14:22

Updated:: 2020-06-18 00:42

Resolved:: 2018-10-01 11:59

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