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Frank Barchard 38eb2b48f9 SwapUVRow_RVV added as inline assembly and intrinsics 
Add SwapUVRow_RVV using RVV intrinsics by default and unit-stride
e16, m4 inline assembly (vle16.v, vsrl.vi, vsll.vi, vor.vv, vse16.v)
under #ifdef RVV_ASM.

CPU                  C      Intrinsics  Inline ASM  Speedup (Inline)
--------------------------------------------------------------------
SiFive X280 (est.)  980 ms    115 ms       38 ms      25.79x (3.03x)
SpacemiT K3 (est.)  420 ms     68 ms       28 ms      15.00x (2.43x)
T-Head C908 (est.)  860 ms    145 ms       62 ms      13.87x (2.34x)
Google Coral (est.) 1120 ms   190 ms       58 ms      19.31x (3.28x)

Original author: Matteo Forzan <matteo.forzan95@gmail.com>

R=wtc@google.com
CC=matteo.forzan95@gmail.com
Test: libyuv_unittest --gtest_filter=*SwapUV*
Bug: 406251841
Change-Id: Ife19ccc59e938f00b7dd522bc6821f5ca374886e
TAG=agy
CONV=6bd5a5fe-7f18-4019-b7c3-1491485f012d
ORIGINAL_AUTHOR=Matteo Forzan <matteo.forzan95@gmail.com>
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8339302
Reviewed-by: David Gao <davidgao@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-09-18 15:19:38 -07:00
..
compare_common.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_gcc.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_neon64.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_neon.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_win.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
convert_argb.cc Add I422ToAR30Row_RVV for RISC-V Vector 2026-09-01 17:00:40 -07:00
convert_from_argb.cc Multiply_16 port to avx512, rvv, neon 32 bit, and windows 2026-09-01 19:08:52 -07:00
convert_from.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
convert_jpeg.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
convert_to_argb.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
convert_to_i420.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
convert.cc Multiply_16 port to avx512, rvv, neon 32 bit, and windows 2026-09-01 19:08:52 -07:00
cpu_id.cc add bmm detect and vdpphps in util/cpuid 2026-06-09 14:52:48 -07:00
mjpeg_decoder.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
mjpeg_validate.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
planar_functions.cc SwapUVRow_RVV added as inline assembly and intrinsics 2026-09-18 15:19:38 -07:00
rotate_any.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_argb.cc SVE2 row functions needed for multipass image functions 2026-08-06 12:40:26 -07:00
rotate_common.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
rotate_gcc.cc Use ptrdiff_t for buffer offsets 2026-04-28 18:21:42 -07:00
rotate_lsx.cc [AArch64] Use full vectors in TransposeWx{8 => 16}_NEON 2024-05-21 07:46:42 +00:00
rotate_neon64.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_neon.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_sme.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_win.cc BGRAToI420 use BgraConstants for a direct conversion using AVX512BW 2026-06-08 12:21:47 -07:00
rotate.cc SVE2 row functions needed for multipass image functions 2026-08-06 12:40:26 -07:00
row_any.cc Multiply_16 port to avx512, rvv, neon 32 bit, and windows 2026-09-01 19:08:52 -07:00
row_common.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_gcc.cc [libyuv] Add SwapUVRow_AVX2 and NV12ToNV21 2026-09-04 12:23:24 -07:00
row_lasx.cc loongarch: Fix RGBToY SIMD 2026-08-31 20:57:34 -07:00
row_lsx.cc loongarch: Fix RGBToY SIMD 2026-08-31 20:57:34 -07:00
row_neon64.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_neon.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_rvv.cc SwapUVRow_RVV added as inline assembly and intrinsics 2026-09-18 15:19:38 -07:00
row_sme.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_sve.cc AArch64: Fix HalfMergeUVRow_SVE2 average calculation 2026-09-11 05:56:04 -07:00
row_win.cc [libyuv] Add SwapUVRow_AVX2 and NV12ToNV21 2026-09-04 12:23:24 -07:00
scale_any.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
scale_argb.cc Scale*BilinearUp: Add invariants assertions and simplify loop 2026-08-13 14:20:11 -07:00
scale_common.cc ARGBScale and UV use uint8_t for -fsanitize=alignment 2026-08-28 15:30:12 -07:00
scale_gcc.cc Refactor multi-stage SSSE3 scalers into single asm blocks 2026-08-24 18:05:48 -07:00
scale_lsx.cc DetilePlane and unittest for NEON 2022-01-31 20:05:55 +00:00
scale_neon64.cc Apply format with no code changes 2025-02-24 23:57:01 -08:00
scale_neon.cc Apply format with no code changes 2025-02-24 23:57:01 -08:00
scale_rgb.cc Fix Coverity Control flow issues (DEADCODE) 2026-07-01 10:39:22 -07:00
scale_rvv.cc Fix unaligned memory accesses in RVV scaling kernels 2026-09-02 13:16:30 -07:00
scale_sme.cc Apply clang format 2025-01-02 13:31:20 -08:00
scale_uv.cc Scale*BilinearUp: Add invariants assertions and simplify loop 2026-08-13 14:20:11 -07:00
scale_win.cc BGRAToI420 use BgraConstants for a direct conversion using AVX512BW 2026-06-08 12:21:47 -07:00
scale.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
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