JDK-8188139 : PPC64: Superword Level Parallelization with VSX
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 10
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: ppc
  • Submitted: 2017-09-29
  • Updated: 2022-07-11
  • Resolved: 2017-10-04
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JDK 10 JDK 11
10 b31Fixed 11Fixed
Related Reports
Relates :  
JDK-8289856 - [PPC64] SIGSEGV in C2Compiler::init_c2_runtime() after JDK-8289060
Relates :  
JDK-8210497 - [PPC64] Vector registers not saved across safepoint
Relates :  
JDK-8188757 - PPC64: Need to disable VSR52-63 in ppc.ad
Relates :  
JDK-8188802 - PPC64: Failure on assert(lrgmask.is_aligned_sets(RegMask::SlotsPerVecX))
Relates :  
JDK-8290082 - [PPC64] ZGC C2 load barrier stub needs to preserve vector registers
Description
There is no support with VSX for Superword Level Parallelization in PPC.
Comments
URL: http://hg.openjdk.java.net/jdk10/master/rev/2dcbf51d0431 User: jwilhelm Date: 2017-11-04 02:58:06 +0000
04-11-2017
Dear all, Please have a look at the link below. There were later discussions to revise code. I am not sure why our discussions were not in the archive. http://mail.openjdk.java.net/pipermail/ppc-aix-port-dev/2017-October/003210.html Latest webrev is http://cr.openjdk.java.net/~mhorie/8188139/webrev.04/
04-10-2017
URL: http://hg.openjdk.java.net/jdk10/hs/rev/2dcbf51d0431 User: kvn Date: 2017-10-04 01:56:55 +0000
04-10-2017