Re: [FFmpeg-devel] [PATCH] aarch64: ac3dsp: Simplify the end of ff_ac3_sum_square_butterfly_float_neon
Martin Storsjö writes: > Before: Cortex A53 A72 A78 > ac3_sum_square_bufferfly_float_neon: 1005.7 516.5 224.5 > After: > ac3_sum_square_bufferfly_float_neon: 981.7 504.5 223.2 > --- > 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 > fmlav3.4s, v17.4s, v17.4s > subsw3, w3, #4 > b.gt1b > -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 Thanks, LGTM. Pushed with M1 benchmark on Linux. -- jd ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-devel] [PATCH] aarch64: ac3dsp: Simplify the end of ff_ac3_sum_square_butterfly_float_neon
Before: Cortex A53 A72 A78 ac3_sum_square_bufferfly_float_neon: 1005.7 516.5 224.5 After: ac3_sum_square_bufferfly_float_neon: 981.7 504.5 223.2 --- 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 fmlav3.4s, v17.4s, v17.4s subsw3, w3, #4 b.gt1b -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 -- 2.39.3 (Apple Git-146) ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".