[FFmpeg-devel] [PATCHv2 0/5] RISC-V scalar and Zbb support

[Rémi Denis-Courmont]

The following changes since commit d9e3cb7e73c77ccddc4d29ed5c1be3920f72c226:

  avfilter/vf_scale: overwrite the width and height expressions with the original values (2022-09-06 10:10:42 -0300)

are available in the Git repository at:

  https://git.remlab.net/git/ffmpeg.git 

for you to fetch changes up to 0b31c3c3b1b9edef4107c5f7ddd4f3e0598dd21c:

  lavu/riscv: add <intmath.h> optimisations (2022-09-06 19:35:41 +0300)

This collects the previous three patchsets (Zbb-CLZ, Zbb-REV and RDCYCLE) and
adds bit weight, clipping and the barest amount of documentation.

----------------------------------------------------------------
Rémi Denis-Courmont (5):
      doc: reference the RISC-V specification
      lavu/riscv: AV_READ_TIME cycle counter
      configure/riscv: detect fast CLZ
      lavu/riscv: byte-swap operations
      lavu/riscv: add <intmath.h> optimisations

 configure                 |  6 +++
 doc/optimization.txt      |  5 +++
 libavutil/bswap.h         |  2 +
 libavutil/intmath.h       |  5 ++-
 libavutil/riscv/bswap.h   | 74 +++++++++++++++++++++++++++++++++++
 libavutil/riscv/intmath.h | 99 +++++++++++++++++++++++++++++++++++++++++++++++
 libavutil/riscv/timer.h   | 53 +++++++++++++++++++++++++
 libavutil/timer.h         |  2 +
 8 files changed, 244 insertions(+), 2 deletions(-)
 create mode 100644 libavutil/riscv/bswap.h
 create mode 100644 libavutil/riscv/intmath.h
 create mode 100644 libavutil/riscv/timer.h

-- 
Rémi Denis-Courmont
http://www.remlab.net/