mirror of https://git.ffmpeg.org/ffmpeg.git
Merge commit '846c3d6aca5484904e60946c4fe8b8833bc07f92'
* commit '846c3d6aca5484904e60946c4fe8b8833bc07f92': h264/aarch64: optimize neon loop filter Merged-by: James Almer <jamrial@gmail.com>
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commit
4dc1f06f0c
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@ -54,9 +54,12 @@
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uabd v17.16B, v20.16B, v16.16B // abs(p2 - p0)
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and v21.16B, v21.16B, v28.16B
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uabd v19.16B, v4.16B, v0.16B // abs(q2 - q0)
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and v21.16B, v21.16B, v30.16B // < beta
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shrn v30.8b, v21.8h, #4
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mov x7, v30.d[0]
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cmhi v17.16B, v22.16B, v17.16B // < beta
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and v21.16B, v21.16B, v30.16B
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cmhi v19.16B, v22.16B, v19.16B // < beta
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cbz x7, 9f
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and v17.16B, v17.16B, v21.16B
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and v19.16B, v19.16B, v21.16B
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and v24.16B, v24.16B, v21.16B
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@ -124,7 +127,7 @@ function ff_h264_v_loop_filter_luma_neon, export=1
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st1 {v16.16B}, [x0], x1
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st1 {v0.16B}, [x0], x1
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st1 {v19.16B}, [x0]
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9:
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ret
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endfunc
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@ -174,32 +177,34 @@ function ff_h264_h_loop_filter_luma_neon, export=1
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st1 {v16.S}[3], [x0], x1
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st1 {v0.S}[3], [x0], x1
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st1 {v19.S}[3], [x0], x1
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9:
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ret
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endfunc
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.macro h264_loop_filter_chroma
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dup v22.8B, w2 // alpha
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dup v23.8B, w3 // beta
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uxtl v24.8H, v24.8B
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uabd v26.8B, v16.8B, v0.8B // abs(p0 - q0)
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uxtl v4.8H, v0.8B
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uabd v28.8B, v18.8B, v16.8B // abs(p1 - p0)
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usubw v4.8H, v4.8H, v16.8B
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sli v24.8H, v24.8H, #8
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shl v4.8H, v4.8H, #2
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uabd v30.8B, v2.8B, v0.8B // abs(q1 - q0)
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uaddw v4.8H, v4.8H, v18.8B
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cmhi v26.8B, v22.8B, v26.8B // < alpha
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cmhi v28.8B, v23.8B, v28.8B // < beta
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cmhi v30.8B, v23.8B, v30.8B // < beta
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uxtl v4.8H, v0.8B
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and v26.8B, v26.8B, v28.8B
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usubw v4.8H, v4.8H, v16.8B
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and v26.8B, v26.8B, v30.8B
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shl v4.8H, v4.8H, #2
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mov x2, v26.d[0]
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sli v24.8H, v24.8H, #8
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uaddw v4.8H, v4.8H, v18.8B
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cbz x2, 9f
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usubw v4.8H, v4.8H, v2.8B
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dup v22.8B, w3 // beta
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rshrn v4.8B, v4.8H, #3
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cmhi v28.8B, v22.8B, v28.8B // < beta
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cmhi v30.8B, v22.8B, v30.8B // < beta
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smin v4.8B, v4.8B, v24.8B
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neg v25.8B, v24.8B
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and v26.8B, v26.8B, v28.8B
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smax v4.8B, v4.8B, v25.8B
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and v26.8B, v26.8B, v30.8B
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uxtl v22.8H, v0.8B
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and v4.8B, v4.8B, v26.8B
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uxtl v28.8H, v16.8B
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@ -224,7 +229,7 @@ function ff_h264_v_loop_filter_chroma_neon, export=1
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sub x0, x0, x1, lsl #1
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st1 {v16.8B}, [x0], x1
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st1 {v0.8B}, [x0], x1
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9:
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ret
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endfunc
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@ -257,7 +262,7 @@ function ff_h264_h_loop_filter_chroma_neon, export=1
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st1 {v16.S}[1], [x0], x1
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st1 {v0.S}[1], [x0], x1
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st1 {v2.S}[1], [x0], x1
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9:
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ret
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endfunc
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