From 359b6a7f8aec3736451f5179deb98f173fbff0dd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20Storsj=C3=B6?= Date: Mon, 8 Apr 2024 13:57:05 +0300 Subject: [PATCH] aarch64/ac3dsp: simplify the end of ff_ac3_sum_square_butterfly_float_neon Before: Cortex A53 A72 A78 M1 ac3_sum_square_bufferfly_float_neon: 1005.7 516.5 224.5 194.0 After: ac3_sum_square_bufferfly_float_neon: 981.7 504.5 223.2 189.5 Signed-off-by: J. Dekker --- libavcodec/aarch64/ac3dsp_neon.S | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/libavcodec/aarch64/ac3dsp_neon.S b/libavcodec/aarch64/ac3dsp_neon.S index 20beb6cc50..7e97cc39f7 100644 --- a/libavcodec/aarch64/ac3dsp_neon.S +++ b/libavcodec/aarch64/ac3dsp_neon.S @@ -103,17 +103,9 @@ function ff_ac3_sum_square_butterfly_float_neon, export=1 fmla v3.4s, v17.4s, v17.4s subs w3, w3, #4 b.gt 1b - faddp v0.4s, v0.4s, v0.4s - faddp v0.2s, v0.2s, v0.2s - st1 {v0.s}[0], [x0], #4 - faddp v1.4s, v1.4s, v1.4s - faddp v1.2s, v1.2s, v1.2s - st1 {v1.s}[0], [x0], #4 - faddp v2.4s, v2.4s, v2.4s - faddp v2.2s, v2.2s, v2.2s - st1 {v2.s}[0], [x0], #4 - faddp v3.4s, v3.4s, v3.4s - faddp v3.2s, v3.2s, v3.2s - st1 {v3.s}[0], [x0] + faddp v0.4s, v0.4s, v1.4s + faddp v2.4s, v2.4s, v3.4s + faddp v0.4s, v0.4s, v2.4s + st1 {v0.4s}, [x0] ret endfunc