From 7909432b3cffdcb31c0953279d862f820a738ec4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20Storsj=C3=B6?= Date: Wed, 28 Sep 2022 11:29:57 +0300 Subject: [PATCH 1/2] aarch64: me_cmp: Improve scheduling in ff_pix_abs8_y2_neon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Before: Cortex A53 A72 A73 pix_abs_1_2_neon: 73.7 31.0 25.7 After: pix_abs_1_2_neon: 61.7 30.2 24.7 Signed-off-by: Martin Storsjö --- libavcodec/aarch64/me_cmp_neon.S | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/libavcodec/aarch64/me_cmp_neon.S b/libavcodec/aarch64/me_cmp_neon.S index a900ae2190..7f2b7c754f 100644 --- a/libavcodec/aarch64/me_cmp_neon.S +++ b/libavcodec/aarch64/me_cmp_neon.S @@ -193,21 +193,20 @@ function ff_pix_abs8_y2_neon, export=1 1: ld1 {v2.8b}, [x2], x3 ld1 {v0.8b}, [x1], x3 - ld1 {v6.8b}, [x1], x3 urhadd v30.8b, v1.8b, v2.8b ld1 {v5.8b}, [x2], x3 - ld1 {v21.8b}, [x1], x3 + ld1 {v6.8b}, [x1], x3 uabal v26.8h, v0.8b, v30.8b urhadd v29.8b, v2.8b, v5.8b ld1 {v20.8b}, [x2], x3 - ld1 {v24.8b}, [x1], x3 + ld1 {v21.8b}, [x1], x3 uabal v26.8h, v6.8b, v29.8b urhadd v28.8b, v5.8b, v20.8b - uabal v26.8h, v21.8b, v28.8b - ld1 {v23.8b}, [x2], x3 - mov v1.8b, v23.8b + ld1 {v1.8b}, [x2], x3 + ld1 {v24.8b}, [x1], x3 + urhadd v27.8b, v20.8b, v1.8b sub w4, w4, #4 - urhadd v27.8b, v20.8b, v23.8b + uabal v26.8h, v21.8b, v28.8b cmp w4, #4 uabal v26.8h, v24.8b, v27.8b -- 2.25.1