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| author | Rémi Denis-Courmont <remi@remlab.net> | 2024-05-16 19:43:38 +0300 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2024-05-19 18:37:33 +0300 |
| commit | 463c573e6b6489c588bee90124d5cf92db8ccaaa (patch) | |
| tree | f2f69679f179b58de16bc6796b8ec1e1a63fc551 | |
| parent | 233066e85adbb3eb4d385369325a2ad44a625df2 (diff) | |
| download | ffmpeg-463c573e6b6489c588bee90124d5cf92db8ccaaa.tar.gz | |
lavc/huffyuvdsp: optimise RVV vtype for add_hfyu_left_pred_bgr32
T-Head C908:
add_hfyu_left_pred_bgr32_c: 237.5
add_hfyu_left_pred_bgr32_rvv_i32: 173.5 (before)
add_hfyu_left_pred_bgr32_rvv_i32: 110.0 (after)
| -rw-r--r-- | libavcodec/riscv/huffyuvdsp_init.c | 3 | ||||
| -rw-r--r-- | libavcodec/riscv/huffyuvdsp_rvv.S | 6 |
2 files changed, 6 insertions, 3 deletions
diff --git a/libavcodec/riscv/huffyuvdsp_init.c b/libavcodec/riscv/huffyuvdsp_init.c index b49b3dc097..79e93e213f 100644 --- a/libavcodec/riscv/huffyuvdsp_init.c +++ b/libavcodec/riscv/huffyuvdsp_init.c @@ -35,7 +35,8 @@ av_cold void ff_huffyuvdsp_init_riscv(HuffYUVDSPContext *c, if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) { c->add_int16 = ff_add_int16_rvv; - c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_rvv; + if (flags & AV_CPU_FLAG_RVB_BASIC) + c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_rvv; } #endif } diff --git a/libavcodec/riscv/huffyuvdsp_rvv.S b/libavcodec/riscv/huffyuvdsp_rvv.S index 9c4434907d..d334f5c6d0 100644 --- a/libavcodec/riscv/huffyuvdsp_rvv.S +++ b/libavcodec/riscv/huffyuvdsp_rvv.S @@ -36,8 +36,10 @@ func ff_add_int16_rvv, zve32x ret endfunc -func ff_add_hfyu_left_pred_bgr32_rvv, zve32x - vsetivli zero, 4, e8, m1, ta, ma +func ff_add_hfyu_left_pred_bgr32_rvv, zve32x, zbb + vtype_ivli t1, 4, e8, ta, ma + li t0, 4 + vsetvl zero, t0, t1 vle8.v v8, (a3) sh2add a2, a2, a1 1: |