Bug ID: JDK-7119644 Increase superword's vector size up to 256 bits

JDK-7119644 : Increase superword's vector size up to 256 bits

Type: Enhancement
Component: hotspot
Sub-Component: compiler
Affected Version: 8-pool

Priority: P3
Status: Resolved
Resolution: Fixed
OS: generic
CPU: x86

Submitted: 2011-12-09
Updated: 2016-06-28
Resolved: 2012-07-03

Versions (Unresolved/Resolved/Fixed)

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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

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JDK 7	JDK 8	Other
7u40Fixed	8Fixed	hs24Fixed

Related Reports

Relates :	JDK-7177923 - SIGBUS on sparc in compiled code for java.util.Calendar.clear()
Relates :	JDK-8160425 - Vectorization with signalling NaN returns wrong result
Relates :	JDK-8041351 - Crash in src/share/vm/opto/loopnode.cpp:3215 - assert(!had_error) failed: bad dominance
Relates :	JDK-7199010 - incorrect vector alignment

Description

Increase superword's vector size up to 256-bits for YMM AVX registers. Current size is 64 bits.

Comments

EVALUATION http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/8c92982cbbc4

29-06-2012

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/8c92982cbbc4

15-06-2012