From: Krzysztof Pyrkosz via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Krzysztof Pyrkosz <ffmpeg@szaka.eu>
Subject: [FFmpeg-devel] [PATCH] avutil/aarch64/float_dsp_neon: Refactor ff_vector_fmac_scalar_neon
Date: Sun, 19 Jan 2025 16:04:40 +0100
Message-ID: <20250119150440.26868-2-ffmpeg@szaka.eu> (raw)
In-Reply-To: <20250119150440.26868-1-ffmpeg@szaka.eu>
---
libavutil/aarch64/float_dsp_neon.S | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/libavutil/aarch64/float_dsp_neon.S b/libavutil/aarch64/float_dsp_neon.S
index 35e2715b87..b21f34c084 100644
--- a/libavutil/aarch64/float_dsp_neon.S
+++ b/libavutil/aarch64/float_dsp_neon.S
@@ -40,18 +40,17 @@ function ff_vector_fmul_neon, export=1
endfunc
function ff_vector_fmac_scalar_neon, export=1
- mov x3, #-32
1: subs w2, w2, #16
- ld1 {v16.4s, v17.4s}, [x0], #32
- ld1 {v18.4s, v19.4s}, [x0], x3
- ld1 {v4.4s, v5.4s}, [x1], #32
- ld1 {v6.4s, v7.4s}, [x1], #32
+ ldp q16, q17, [x0]
+ ldp q4, q5, [x1], #32
fmla v16.4s, v4.4s, v0.s[0]
fmla v17.4s, v5.4s, v0.s[0]
+ stp q16, q17, [x0], #32
+ ldp q18, q19, [x0]
+ ldp q6, q7, [x1], #32
fmla v18.4s, v6.4s, v0.s[0]
fmla v19.4s, v7.4s, v0.s[0]
- st1 {v16.4s, v17.4s}, [x0], #32
- st1 {v18.4s, v19.4s}, [x0], #32
+ stp q18, q19, [x0], #32
b.ne 1b
ret
endfunc
--
2.45.2
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next prev parent reply other threads:[~2025-01-19 15:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-19 15:04 [FFmpeg-devel] " Krzysztof Pyrkosz via ffmpeg-devel
2025-01-19 15:04 ` Krzysztof Pyrkosz via ffmpeg-devel [this message]
2025-01-19 16:04 ` [FFmpeg-devel] [PATCH] " Lynne
2025-01-19 20:41 ` Martin Storsjö
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