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George Steed 776a509891 [AArch64] Unroll ScaleRowDown34_1_Box_NEON 
We can make use of wider instructions for the loads and stores as well
as the URHADD instructions. In addition the duplicated instructions of
the code from the unrolling provides a further small improvement for
little cores with limited out-of-order capability.

Reduction in runtimes observed compared to the existing Neon
implementation:

 Cortex-A55: -23.5%
Cortex-A510: -35.4%
Cortex-A520: -40.5%
 Cortex-A76: -15.1%
Cortex-A715:  -6.2%
Cortex-A720:  -6.2%
  Cortex-X1: -17.9%
  Cortex-X2: -18.4%
  Cortex-X3: -18.3%
  Cortex-X4: -14.0%

Bug: b/42280945
Change-Id: I5905e026a0507870bfc580b702906d6acb4ed6f4
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5725170
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2024-07-19 19:51:45 +00:00
..
compare_common.cc clang-tidy applied 2021-04-01 21:42:47 +00:00
compare_gcc.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
compare_msa.cc use unix line endings 2018-06-20 23:19:59 +00:00
compare_neon64.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
compare_neon.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
compare_win.cc Switch win32 to row_gcc for clangcl. 2021-04-22 19:32:32 +00:00
compare.cc [AArch64] Add Neon implementation of HashDjb2 2024-05-01 19:37:31 +00:00
convert_argb.cc [AArch64] Add SVE2 implementation of RGB24ToARGBRow 2024-07-08 20:12:05 +00:00
convert_from_argb.cc [AArch64] Add I8MM implementation of ARGBToUV444Row 2024-07-16 17:32:52 +00:00
convert_from.cc Change ScalePlane,ScalePlane_16,... to return int 2023-11-03 23:53:24 +00:00
convert_jpeg.cc PlaneScale, UVScale and ARGBScale test 3x and 4x down sample. 2020-10-28 20:41:59 +00:00
convert_to_argb.cc Remove M420 and refactor NV12ToI420 2020-05-26 18:48:00 +00:00
convert_to_i420.cc Fix ConvertToI420 when using YUY2 or UYVY with odd crop_x. 2021-07-19 22:22:22 +00:00
convert.cc [AArch64] Add SVE2 implementations for AYUVTo{UV,VU}Row 2024-06-04 18:18:07 +00:00
cpu_id.cc [AArch64] Enable SME feature detection on Apple Silicon 2024-07-08 16:19:27 +00:00
mjpeg_decoder.cc Add AMXINT8 cpu detect 2024-02-15 21:44:47 +00:00
mjpeg_validate.cc Update to r1732 for more robust jpeg 2019-07-01 22:32:36 +00:00
planar_functions.cc [AArch64] Add SVE2 implementation of RAWToRGB24Row 2024-07-08 15:55:14 +00:00
rotate_any.cc [AArch64] Fix rotate by odd sizes 2024-07-15 18:13:31 +00:00
rotate_argb.cc malloc return 1 for failures and assert for internal functions 2023-12-04 22:55:20 +00:00
rotate_common.cc [AArch64] Use full vectors in TransposeWx{8 => 16}_NEON 2024-05-21 07:46:42 +00:00
rotate_gcc.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
rotate_lsx.cc [AArch64] Use full vectors in TransposeWx{8 => 16}_NEON 2024-05-21 07:46:42 +00:00
rotate_msa.cc cpuid show vector length on ARM and RISCV 2024-07-02 18:10:56 +00:00
rotate_neon64.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
rotate_neon.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
rotate_sme.cc [AArch64] Add SME implementation of TransposeUVWxH 2024-07-19 12:15:40 +00:00
rotate_win.cc Switch win32 to row_gcc for clangcl. 2021-04-22 19:32:32 +00:00
rotate.cc [AArch64] Add SME implementation of TransposeUVWxH 2024-07-19 12:15:40 +00:00
row_any.cc [AArch64] Add I8MM implementation of ARGBToUV444Row 2024-07-16 17:32:52 +00:00
row_common.cc [RVV] Support AR64ToAB64 and RGBA-family color conversions 2023-09-05 22:44:48 +00:00
row_gcc.cc [AArch64] Fix SVE/SME vector length printing in cpuid 2024-07-02 19:44:41 +00:00
row_lasx.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
row_lsx.cc [AArch64] Fix SVE/SME vector length printing in cpuid 2024-07-02 19:44:41 +00:00
row_msa.cc Fix Bugs on mips platform V2. 2022-03-01 13:16:31 +00:00
row_neon64.cc [AArch64] Add I8MM implementation of ARGBToUV444Row 2024-07-16 17:32:52 +00:00
row_neon.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
row_rvv.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
row_sve.cc [AArch64] Unroll {RAW,RGB24}To{ARGB,RGBA}Row_SVE2 2024-07-19 16:01:56 +00:00
row_win.cc Fix tidy warning that uint32_t dither4 should not be const 2023-06-02 00:42:02 +00:00
scale_any.cc [AArch64] Unroll ScaleRowDown34_1_Box_NEON 2024-07-19 19:51:45 +00:00
scale_argb.cc [AArch64] Add SVE implementation for I422ToARGBRow 2024-04-27 18:26:11 +00:00
scale_common.cc Fix warnings for missing prototypes 2023-06-30 17:46:56 +00:00
scale_gcc.cc cpuid show vector length on ARM and RISCV 2024-07-02 18:10:56 +00:00
scale_lsx.cc DetilePlane and unittest for NEON 2022-01-31 20:05:55 +00:00
scale_msa.cc Switch to C99 types 2018-01-23 19:16:05 +00:00
scale_neon64.cc [AArch64] Unroll ScaleRowDown34_1_Box_NEON 2024-07-19 19:51:45 +00:00
scale_neon.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
scale_rgb.cc RGBScale function using 3 steps: RGB24ToARGB, ARGBScale, ARGBToRGB24 2022-03-19 01:44:06 +00:00
scale_rvv.cc Add volatile for gcc inline to avoid being removed 2024-07-02 01:25:24 +00:00
scale_uv.cc Disable RVV ScaleDownBy4 if compiler option is not enabled 2024-06-18 01:52:40 +00:00
scale_win.cc Switch win32 to row_gcc for clangcl. 2021-04-22 19:32:32 +00:00
scale.cc malloc return 1 for failures and assert for internal functions 2023-12-04 22:55:20 +00:00
test.sh Optimze ABGRToI420 for AVX2 2020-06-04 18:24:45 +00:00
video_common.cc Lint cleanup after C99 change CL 2018-01-24 19:16:03 +00:00