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From: "Rémi Denis-Courmont" <remi@remlab.net>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCHv4 4/4] lavc/huffyuvdsp: optimise RVV vtype for add_hfyu_left_pred_bgr32
Date: Thu, 16 May 2024 19:48:40 +0300
Message-ID: <20240516164840.19025-4-remi@remlab.net> (raw)
In-Reply-To: <20240516164840.19025-1-remi@remlab.net>

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)
---
 libavcodec/riscv/huffyuvdsp_rvv.S | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

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:
-- 
2.43.0

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  parent reply	other threads:[~2024-05-16 16:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-16 16:48 [FFmpeg-devel] [PATCHv4 1/4] lavu/riscv: add assembler macros for adjusting vector LMUL Rémi Denis-Courmont
2024-05-16 16:48 ` [FFmpeg-devel] [PATCHv4 2/4] lavc/flacdsp: optimise RVV vector type for lpc16 Rémi Denis-Courmont
2024-05-16 16:48 ` [FFmpeg-devel] [PATCHv4 3/4] lavc/flacdsp: optimise RVV vector type for lpc32 Rémi Denis-Courmont
2024-05-16 16:48 ` Rémi Denis-Courmont [this message]
2024-05-16 17:14   ` [FFmpeg-devel] [PATCHv4 4/4] lavc/huffyuvdsp: optimise RVV vtype for add_hfyu_left_pred_bgr32 Rémi Denis-Courmont

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