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Add arm64 performance counter and enable NEON support.

Description

Add arm64 performance counter and enable NEON support.

  • Enable cycle counter via the PMCCNTR_EL0 register on arm64 for all variants
  • Enable NEON instructions for -float flavor
  • Runtime tested with bench utility in tests directory (./work/fftw-3.3.8/tests/bench if compiling ports) on Orange Pi PC running 13.0-CURRENT r347967

PR: 239511
Submitted by: daniel.engberg.lists@pyret.net
Reviewed by: mikael.urankar@gmail.com
Approved by: jhale (maintainer timeout, 3 months)

Details

Committed
rakucoNov 3 2019, 1:11 PM
Parents
rP516417: Update to 2.3.3
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