[flac-dev] [PATCH 0/7] PowerPC64 performance improvements

[Anton Blanchard]

The following series adds initial vector support for PowerPC64.
On POWER9, flac --best is about 3.3x faster.

Amitay Isaacs (2):
  Add m4 macro to check for C __attribute__ features
  Check if compiler supports target attribute on ppc64

Anton Blanchard (5):
  configure.ac: Remove SPE detection code
  configure.ac: Add VSX enable/disable
  configure.ac: Fix FLAC__CPU_PPC on little endian, and add
    FLAC__CPU_PPC64
  Add runtime detection of POWER8 and POWER9
  Add VSX optimised versions of autocorrelation loops

 configure.ac                      |  53 +-
 m4/c_attribute.m4                 |  18 +
 src/libFLAC/Makefile.am           |   1 +
 src/libFLAC/cpu.c                 |  31 +
 src/libFLAC/include/private/cpu.h |   6 +
 src/libFLAC/include/private/lpc.h |  14 +
 src/libFLAC/lpc_intrin_vsx.c      | 942 ++++++++++++++++++++++++++++++
 src/libFLAC/stream_encoder.c      |  30 +
 8 files changed, 1086 insertions(+), 9 deletions(-)
 create mode 100644 m4/c_attribute.m4
 create mode 100644 src/libFLAC/lpc_intrin_vsx.c

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2.17.1