mirror of
https://github.com/FFmpeg/FFmpeg.git
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ac6cb8ae5b
Fold the field lengths into the macro.
This makes the macro invocations much more readable, when the
lines are shorter.
This also makes it easier to use only half the registers within
the macro.
This is cherrypicked from libav commit
5e0c2158fb.
Signed-off-by: Martin Storsjö <martin@martin.st>
677 lines
24 KiB
ArmAsm
677 lines
24 KiB
ArmAsm
/*
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* Copyright (c) 2016 Google Inc.
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/aarch64/asm.S"
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// All public functions in this file have the following signature:
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// typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
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// const uint8_t *ref, ptrdiff_t ref_stride,
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// int h, int mx, int my);
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function ff_vp9_copy64_aarch64, export=1
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1:
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ldp x5, x6, [x2]
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ldp x7, x8, [x2, #16]
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stp x5, x6, [x0]
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ldp x9, x10, [x2, #32]
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stp x7, x8, [x0, #16]
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subs w4, w4, #1
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ldp x11, x12, [x2, #48]
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stp x9, x10, [x0, #32]
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stp x11, x12, [x0, #48]
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add x2, x2, x3
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add x0, x0, x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_avg64_neon, export=1
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mov x5, x0
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1:
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ld1 {v4.16b, v5.16b, v6.16b, v7.16b}, [x2], x3
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ld1 {v0.16b, v1.16b, v2.16b, v3.16b}, [x0], x1
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ld1 {v20.16b, v21.16b, v22.16b, v23.16b}, [x2], x3
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urhadd v0.16b, v0.16b, v4.16b
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urhadd v1.16b, v1.16b, v5.16b
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ld1 {v16.16b, v17.16b, v18.16b, v19.16b}, [x0], x1
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urhadd v2.16b, v2.16b, v6.16b
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urhadd v3.16b, v3.16b, v7.16b
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subs w4, w4, #2
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urhadd v16.16b, v16.16b, v20.16b
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urhadd v17.16b, v17.16b, v21.16b
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st1 {v0.16b, v1.16b, v2.16b, v3.16b}, [x5], x1
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urhadd v18.16b, v18.16b, v22.16b
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urhadd v19.16b, v19.16b, v23.16b
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st1 {v16.16b, v17.16b, v18.16b, v19.16b}, [x5], x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_copy32_aarch64, export=1
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1:
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ldp x5, x6, [x2]
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ldp x7, x8, [x2, #16]
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stp x5, x6, [x0]
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subs w4, w4, #1
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stp x7, x8, [x0, #16]
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add x2, x2, x3
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add x0, x0, x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_avg32_neon, export=1
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1:
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ld1 {v2.16b, v3.16b}, [x2], x3
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ld1 {v0.16b, v1.16b}, [x0]
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urhadd v0.16b, v0.16b, v2.16b
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urhadd v1.16b, v1.16b, v3.16b
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subs w4, w4, #1
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st1 {v0.16b, v1.16b}, [x0], x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_copy16_neon, export=1
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add x5, x0, x1
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lsl x1, x1, #1
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add x6, x2, x3
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lsl x3, x3, #1
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1:
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ld1 {v0.16b}, [x2], x3
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ld1 {v1.16b}, [x6], x3
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ld1 {v2.16b}, [x2], x3
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ld1 {v3.16b}, [x6], x3
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subs w4, w4, #4
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st1 {v0.16b}, [x0], x1
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st1 {v1.16b}, [x5], x1
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st1 {v2.16b}, [x0], x1
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st1 {v3.16b}, [x5], x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_avg16_neon, export=1
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mov x5, x0
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1:
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ld1 {v2.16b}, [x2], x3
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ld1 {v0.16b}, [x0], x1
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ld1 {v3.16b}, [x2], x3
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urhadd v0.16b, v0.16b, v2.16b
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ld1 {v1.16b}, [x0], x1
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urhadd v1.16b, v1.16b, v3.16b
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subs w4, w4, #2
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st1 {v0.16b}, [x5], x1
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st1 {v1.16b}, [x5], x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_copy8_neon, export=1
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1:
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ld1 {v0.8b}, [x2], x3
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ld1 {v1.8b}, [x2], x3
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subs w4, w4, #2
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st1 {v0.8b}, [x0], x1
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st1 {v1.8b}, [x0], x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_avg8_neon, export=1
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mov x5, x0
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1:
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ld1 {v2.8b}, [x2], x3
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ld1 {v0.8b}, [x0], x1
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ld1 {v3.8b}, [x2], x3
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urhadd v0.8b, v0.8b, v2.8b
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ld1 {v1.8b}, [x0], x1
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urhadd v1.8b, v1.8b, v3.8b
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subs w4, w4, #2
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st1 {v0.8b}, [x5], x1
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st1 {v1.8b}, [x5], x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_copy4_neon, export=1
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1:
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ld1 {v0.s}[0], [x2], x3
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ld1 {v1.s}[0], [x2], x3
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st1 {v0.s}[0], [x0], x1
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ld1 {v2.s}[0], [x2], x3
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st1 {v1.s}[0], [x0], x1
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ld1 {v3.s}[0], [x2], x3
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subs w4, w4, #4
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st1 {v2.s}[0], [x0], x1
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st1 {v3.s}[0], [x0], x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_avg4_neon, export=1
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mov x5, x0
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1:
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ld1 {v2.s}[0], [x2], x3
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ld1 {v0.s}[0], [x0], x1
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ld1 {v2.s}[1], [x2], x3
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ld1 {v0.s}[1], [x0], x1
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ld1 {v3.s}[0], [x2], x3
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ld1 {v1.s}[0], [x0], x1
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ld1 {v3.s}[1], [x2], x3
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ld1 {v1.s}[1], [x0], x1
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subs w4, w4, #4
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urhadd v0.8b, v0.8b, v2.8b
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urhadd v1.8b, v1.8b, v3.8b
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st1 {v0.s}[0], [x5], x1
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st1 {v0.s}[1], [x5], x1
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st1 {v1.s}[0], [x5], x1
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st1 {v1.s}[1], [x5], x1
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b.ne 1b
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ret
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endfunc
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// Extract a vector from src1-src2 and src4-src5 (src1-src3 and src4-src6
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// for size >= 16), and multiply-accumulate into dst1 and dst3 (or
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// dst1-dst2 and dst3-dst4 for size >= 16)
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.macro extmla dst1, dst2, dst3, dst4, src1, src2, src3, src4, src5, src6, offset, size
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ext v20.16b, \src1\().16b, \src2\().16b, #(2*\offset)
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ext v22.16b, \src4\().16b, \src5\().16b, #(2*\offset)
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.if \size >= 16
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mla \dst1\().8h, v20.8h, v0.h[\offset]
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ext v21.16b, \src2\().16b, \src3\().16b, #(2*\offset)
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mla \dst3\().8h, v22.8h, v0.h[\offset]
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ext v23.16b, \src5\().16b, \src6\().16b, #(2*\offset)
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mla \dst2\().8h, v21.8h, v0.h[\offset]
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mla \dst4\().8h, v23.8h, v0.h[\offset]
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.else
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mla \dst1\().8h, v20.8h, v0.h[\offset]
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mla \dst3\().8h, v22.8h, v0.h[\offset]
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.endif
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.endm
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// The same as above, but don't accumulate straight into the
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// destination, but use a temp register and accumulate with saturation.
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.macro extmulqadd dst1, dst2, dst3, dst4, src1, src2, src3, src4, src5, src6, offset, size
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ext v20.16b, \src1\().16b, \src2\().16b, #(2*\offset)
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ext v22.16b, \src4\().16b, \src5\().16b, #(2*\offset)
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.if \size >= 16
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mul v20.8h, v20.8h, v0.h[\offset]
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ext v21.16b, \src2\().16b, \src3\().16b, #(2*\offset)
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mul v22.8h, v22.8h, v0.h[\offset]
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ext v23.16b, \src5\().16b, \src6\().16b, #(2*\offset)
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mul v21.8h, v21.8h, v0.h[\offset]
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mul v23.8h, v23.8h, v0.h[\offset]
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.else
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mul v20.8h, v20.8h, v0.h[\offset]
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mul v22.8h, v22.8h, v0.h[\offset]
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.endif
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sqadd \dst1\().8h, \dst1\().8h, v20.8h
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sqadd \dst3\().8h, \dst3\().8h, v22.8h
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.if \size >= 16
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sqadd \dst2\().8h, \dst2\().8h, v21.8h
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sqadd \dst4\().8h, \dst4\().8h, v23.8h
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.endif
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.endm
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// Instantiate a horizontal filter function for the given size.
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// This can work on 4, 8 or 16 pixels in parallel; for larger
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// widths it will do 16 pixels at a time and loop horizontally.
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// The actual width is passed in x5, the height in w4 and the
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// filter coefficients in x9. idx2 is the index of the largest
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// filter coefficient (3 or 4) and idx1 is the other one of them.
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.macro do_8tap_h type, size, idx1, idx2
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function \type\()_8tap_\size\()h_\idx1\idx2
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sub x2, x2, #3
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add x6, x0, x1
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add x7, x2, x3
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add x1, x1, x1
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add x3, x3, x3
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// Only size >= 16 loops horizontally and needs
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// reduced dst stride
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.if \size >= 16
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sub x1, x1, x5
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.endif
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// size >= 16 loads two qwords and increments x2,
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// for size 4/8 it's enough with one qword and no
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// postincrement
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.if \size >= 16
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sub x3, x3, x5
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sub x3, x3, #8
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.endif
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// Load the filter vector
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ld1 {v0.8h}, [x9]
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1:
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.if \size >= 16
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mov x9, x5
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.endif
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// Load src
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.if \size >= 16
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ld1 {v4.8b, v5.8b, v6.8b}, [x2], #24
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ld1 {v16.8b, v17.8b, v18.8b}, [x7], #24
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.else
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ld1 {v4.8b, v5.8b}, [x2]
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ld1 {v16.8b, v17.8b}, [x7]
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.endif
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uxtl v4.8h, v4.8b
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uxtl v5.8h, v5.8b
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uxtl v16.8h, v16.8b
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uxtl v17.8h, v17.8b
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.if \size >= 16
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uxtl v6.8h, v6.8b
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uxtl v18.8h, v18.8b
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.endif
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2:
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// Accumulate, adding idx2 last with a separate
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// saturating add. The positive filter coefficients
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// for all indices except idx2 must add up to less
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// than 127 for this not to overflow.
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mul v1.8h, v4.8h, v0.h[0]
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mul v24.8h, v16.8h, v0.h[0]
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.if \size >= 16
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mul v2.8h, v5.8h, v0.h[0]
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mul v25.8h, v17.8h, v0.h[0]
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.endif
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extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 1, \size
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extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 2, \size
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extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, \idx1, \size
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extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 5, \size
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extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 6, \size
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extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 7, \size
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extmulqadd v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, \idx2, \size
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// Round, shift and saturate
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sqrshrun v1.8b, v1.8h, #7
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sqrshrun v24.8b, v24.8h, #7
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.if \size >= 16
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sqrshrun2 v1.16b, v2.8h, #7
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sqrshrun2 v24.16b, v25.8h, #7
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.endif
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// Average
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.ifc \type,avg
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.if \size >= 16
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ld1 {v2.16b}, [x0]
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ld1 {v3.16b}, [x6]
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urhadd v1.16b, v1.16b, v2.16b
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urhadd v24.16b, v24.16b, v3.16b
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.elseif \size == 8
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ld1 {v2.8b}, [x0]
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ld1 {v3.8b}, [x6]
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urhadd v1.8b, v1.8b, v2.8b
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urhadd v24.8b, v24.8b, v3.8b
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.else
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ld1 {v2.s}[0], [x0]
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ld1 {v3.s}[0], [x6]
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urhadd v1.8b, v1.8b, v2.8b
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urhadd v24.8b, v24.8b, v3.8b
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.endif
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.endif
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// Store and loop horizontally (for size >= 16)
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.if \size >= 16
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subs x9, x9, #16
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st1 {v1.16b}, [x0], #16
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st1 {v24.16b}, [x6], #16
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beq 3f
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mov v4.16b, v6.16b
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mov v16.16b, v18.16b
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ld1 {v6.16b}, [x2], #16
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ld1 {v18.16b}, [x7], #16
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uxtl v5.8h, v6.8b
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uxtl2 v6.8h, v6.16b
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uxtl v17.8h, v18.8b
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uxtl2 v18.8h, v18.16b
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b 2b
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.elseif \size == 8
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st1 {v1.8b}, [x0]
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st1 {v24.8b}, [x6]
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.else // \size == 4
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st1 {v1.s}[0], [x0]
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st1 {v24.s}[0], [x6]
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.endif
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3:
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// Loop vertically
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add x0, x0, x1
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add x6, x6, x1
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add x2, x2, x3
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add x7, x7, x3
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subs w4, w4, #2
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b.ne 1b
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ret
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endfunc
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.endm
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.macro do_8tap_h_size size
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do_8tap_h put, \size, 3, 4
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do_8tap_h avg, \size, 3, 4
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do_8tap_h put, \size, 4, 3
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do_8tap_h avg, \size, 4, 3
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.endm
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do_8tap_h_size 4
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do_8tap_h_size 8
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do_8tap_h_size 16
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.macro do_8tap_h_func type, filter, offset, size
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function ff_vp9_\type\()_\filter\()\size\()_h_neon, export=1
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movrel x6, X(ff_vp9_subpel_filters), 256*\offset
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cmp w5, #8
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add x9, x6, w5, uxtw #4
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mov x5, #\size
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.if \size >= 16
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bge \type\()_8tap_16h_34
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b \type\()_8tap_16h_43
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.else
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bge \type\()_8tap_\size\()h_34
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b \type\()_8tap_\size\()h_43
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.endif
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endfunc
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.endm
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.macro do_8tap_h_filters size
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do_8tap_h_func put, regular, 1, \size
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do_8tap_h_func avg, regular, 1, \size
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do_8tap_h_func put, sharp, 2, \size
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do_8tap_h_func avg, sharp, 2, \size
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do_8tap_h_func put, smooth, 0, \size
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do_8tap_h_func avg, smooth, 0, \size
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.endm
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do_8tap_h_filters 64
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do_8tap_h_filters 32
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do_8tap_h_filters 16
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do_8tap_h_filters 8
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do_8tap_h_filters 4
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// Vertical filters
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// Round, shift and saturate and store reg1-reg2 over 4 lines
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.macro do_store4 reg1, reg2, tmp1, tmp2, type
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sqrshrun \reg1\().8b, \reg1\().8h, #7
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sqrshrun \reg2\().8b, \reg2\().8h, #7
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.ifc \type,avg
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ld1 {\tmp1\().s}[0], [x7], x1
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ld1 {\tmp2\().s}[0], [x7], x1
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ld1 {\tmp1\().s}[1], [x7], x1
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ld1 {\tmp2\().s}[1], [x7], x1
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urhadd \reg1\().8b, \reg1\().8b, \tmp1\().8b
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urhadd \reg2\().8b, \reg2\().8b, \tmp2\().8b
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.endif
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st1 {\reg1\().s}[0], [x0], x1
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st1 {\reg2\().s}[0], [x0], x1
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st1 {\reg1\().s}[1], [x0], x1
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st1 {\reg2\().s}[1], [x0], x1
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.endm
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// Round, shift and saturate and store reg1-4
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.macro do_store reg1, reg2, reg3, reg4, tmp1, tmp2, tmp3, tmp4, type
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sqrshrun \reg1\().8b, \reg1\().8h, #7
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sqrshrun \reg2\().8b, \reg2\().8h, #7
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sqrshrun \reg3\().8b, \reg3\().8h, #7
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sqrshrun \reg4\().8b, \reg4\().8h, #7
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.ifc \type,avg
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ld1 {\tmp1\().8b}, [x7], x1
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ld1 {\tmp2\().8b}, [x7], x1
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ld1 {\tmp3\().8b}, [x7], x1
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ld1 {\tmp4\().8b}, [x7], x1
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urhadd \reg1\().8b, \reg1\().8b, \tmp1\().8b
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urhadd \reg2\().8b, \reg2\().8b, \tmp2\().8b
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urhadd \reg3\().8b, \reg3\().8b, \tmp3\().8b
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urhadd \reg4\().8b, \reg4\().8b, \tmp4\().8b
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.endif
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st1 {\reg1\().8b}, [x0], x1
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st1 {\reg2\().8b}, [x0], x1
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st1 {\reg3\().8b}, [x0], x1
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st1 {\reg4\().8b}, [x0], x1
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.endm
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// Evaluate the filter twice in parallel, from the inputs src1-src9 into dst1-dst2
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// (src1-src8 into dst1, src2-src9 into dst2), adding idx2 separately
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// at the end with saturation. Indices 0 and 7 always have negative or zero
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// coefficients, so they can be accumulated into tmp1-tmp2 together with the
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// largest coefficient.
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.macro convolve dst1, dst2, src1, src2, src3, src4, src5, src6, src7, src8, src9, idx1, idx2, tmp1, tmp2
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mul \dst1\().8h, \src2\().8h, v0.h[1]
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mul \dst2\().8h, \src3\().8h, v0.h[1]
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mul \tmp1\().8h, \src1\().8h, v0.h[0]
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mul \tmp2\().8h, \src2\().8h, v0.h[0]
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mla \dst1\().8h, \src3\().8h, v0.h[2]
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mla \dst2\().8h, \src4\().8h, v0.h[2]
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.if \idx1 == 3
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mla \dst1\().8h, \src4\().8h, v0.h[3]
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mla \dst2\().8h, \src5\().8h, v0.h[3]
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.else
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mla \dst1\().8h, \src5\().8h, v0.h[4]
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mla \dst2\().8h, \src6\().8h, v0.h[4]
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.endif
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mla \dst1\().8h, \src6\().8h, v0.h[5]
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mla \dst2\().8h, \src7\().8h, v0.h[5]
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mla \tmp1\().8h, \src8\().8h, v0.h[7]
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mla \tmp2\().8h, \src9\().8h, v0.h[7]
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mla \dst1\().8h, \src7\().8h, v0.h[6]
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mla \dst2\().8h, \src8\().8h, v0.h[6]
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.if \idx2 == 3
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mla \tmp1\().8h, \src4\().8h, v0.h[3]
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mla \tmp2\().8h, \src5\().8h, v0.h[3]
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.else
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mla \tmp1\().8h, \src5\().8h, v0.h[4]
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mla \tmp2\().8h, \src6\().8h, v0.h[4]
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.endif
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sqadd \dst1\().8h, \dst1\().8h, \tmp1\().8h
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sqadd \dst2\().8h, \dst2\().8h, \tmp2\().8h
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.endm
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// Load pixels and extend them to 16 bit
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.macro loadl dst1, dst2, dst3, dst4
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ld1 {v1.8b}, [x2], x3
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ld1 {v2.8b}, [x2], x3
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ld1 {v3.8b}, [x2], x3
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.ifnb \dst4
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ld1 {v4.8b}, [x2], x3
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.endif
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uxtl \dst1\().8h, v1.8b
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uxtl \dst2\().8h, v2.8b
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uxtl \dst3\().8h, v3.8b
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.ifnb \dst4
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uxtl \dst4\().8h, v4.8b
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.endif
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.endm
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// Instantiate a vertical filter function for filtering 8 pixels at a time.
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// The height is passed in x4, the width in x5 and the filter coefficients
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// in x6. idx2 is the index of the largest filter coefficient (3 or 4)
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// and idx1 is the other one of them.
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.macro do_8tap_8v type, idx1, idx2
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function \type\()_8tap_8v_\idx1\idx2
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sub x2, x2, x3, lsl #1
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sub x2, x2, x3
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ld1 {v0.8h}, [x6]
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1:
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.ifc \type,avg
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mov x7, x0
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.endif
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mov x6, x4
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loadl v17, v18, v19
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loadl v20, v21, v22, v23
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2:
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loadl v24, v25, v26, v27
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convolve v1, v2, v17, v18, v19, v20, v21, v22, v23, v24, v25, \idx1, \idx2, v5, v6
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convolve v3, v4, v19, v20, v21, v22, v23, v24, v25, v26, v27, \idx1, \idx2, v5, v6
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do_store v1, v2, v3, v4, v5, v6, v7, v28, \type
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subs x6, x6, #4
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b.eq 8f
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loadl v16, v17, v18, v19
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convolve v1, v2, v21, v22, v23, v24, v25, v26, v27, v16, v17, \idx1, \idx2, v5, v6
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convolve v3, v4, v23, v24, v25, v26, v27, v16, v17, v18, v19, \idx1, \idx2, v5, v6
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do_store v1, v2, v3, v4, v5, v6, v7, v28, \type
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subs x6, x6, #4
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b.eq 8f
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loadl v20, v21, v22, v23
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convolve v1, v2, v25, v26, v27, v16, v17, v18, v19, v20, v21, \idx1, \idx2, v5, v6
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convolve v3, v4, v27, v16, v17, v18, v19, v20, v21, v22, v23, \idx1, \idx2, v5, v6
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do_store v1, v2, v3, v4, v5, v6, v7, v28, \type
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subs x6, x6, #4
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b.ne 2b
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8:
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subs x5, x5, #8
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b.eq 9f
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// x0 -= h * dst_stride
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msub x0, x1, x4, x0
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// x2 -= h * src_stride
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msub x2, x3, x4, x2
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// x2 -= 8 * src_stride
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sub x2, x2, x3, lsl #3
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// x2 += 1 * src_stride
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add x2, x2, x3
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add x2, x2, #8
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add x0, x0, #8
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b 1b
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9:
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ret
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endfunc
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.endm
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do_8tap_8v put, 3, 4
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do_8tap_8v put, 4, 3
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do_8tap_8v avg, 3, 4
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do_8tap_8v avg, 4, 3
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// Instantiate a vertical filter function for filtering a 4 pixels wide
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// slice. The first half of the registers contain one row, while the second
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// half of a register contains the second-next row (also stored in the first
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// half of the register two steps ahead). The convolution does two outputs
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// at a time; the output of v17-v24 into one, and v18-v25 into another one.
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// The first half of first output is the first output row, the first half
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// of the other output is the second output row. The second halves of the
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// registers are rows 3 and 4.
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// This only is designed to work for 4 or 8 output lines.
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.macro do_8tap_4v type, idx1, idx2
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function \type\()_8tap_4v_\idx1\idx2
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sub x2, x2, x3, lsl #1
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sub x2, x2, x3
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ld1 {v0.8h}, [x6]
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.ifc \type,avg
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mov x7, x0
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.endif
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ld1 {v1.s}[0], [x2], x3
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ld1 {v2.s}[0], [x2], x3
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ld1 {v3.s}[0], [x2], x3
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|
ld1 {v4.s}[0], [x2], x3
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ld1 {v5.s}[0], [x2], x3
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ld1 {v6.s}[0], [x2], x3
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trn1 v1.2s, v1.2s, v3.2s
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ld1 {v7.s}[0], [x2], x3
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trn1 v2.2s, v2.2s, v4.2s
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ld1 {v26.s}[0], [x2], x3
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uxtl v17.8h, v1.8b
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|
trn1 v3.2s, v3.2s, v5.2s
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|
ld1 {v27.s}[0], [x2], x3
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|
uxtl v18.8h, v2.8b
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|
trn1 v4.2s, v4.2s, v6.2s
|
|
ld1 {v28.s}[0], [x2], x3
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|
uxtl v19.8h, v3.8b
|
|
trn1 v5.2s, v5.2s, v7.2s
|
|
ld1 {v29.s}[0], [x2], x3
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|
uxtl v20.8h, v4.8b
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|
trn1 v6.2s, v6.2s, v26.2s
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|
uxtl v21.8h, v5.8b
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|
trn1 v7.2s, v7.2s, v27.2s
|
|
uxtl v22.8h, v6.8b
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|
trn1 v26.2s, v26.2s, v28.2s
|
|
uxtl v23.8h, v7.8b
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|
trn1 v27.2s, v27.2s, v29.2s
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uxtl v24.8h, v26.8b
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uxtl v25.8h, v27.8b
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|
|
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convolve v1, v2, v17, v18, v19, v20, v21, v22, v23, v24, v25, \idx1, \idx2, v3, v4
|
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do_store4 v1, v2, v5, v6, \type
|
|
|
|
subs x4, x4, #4
|
|
b.eq 9f
|
|
|
|
ld1 {v1.s}[0], [x2], x3
|
|
ld1 {v2.s}[0], [x2], x3
|
|
trn1 v28.2s, v28.2s, v1.2s
|
|
trn1 v29.2s, v29.2s, v2.2s
|
|
ld1 {v1.s}[1], [x2], x3
|
|
uxtl v26.8h, v28.8b
|
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ld1 {v2.s}[1], [x2], x3
|
|
uxtl v27.8h, v29.8b
|
|
uxtl v28.8h, v1.8b
|
|
uxtl v29.8h, v2.8b
|
|
|
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convolve v1, v2, v21, v22, v23, v24, v25, v26, v27, v28, v29, \idx1, \idx2, v3, v4
|
|
do_store4 v1, v2, v5, v6, \type
|
|
|
|
9:
|
|
ret
|
|
endfunc
|
|
.endm
|
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|
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do_8tap_4v put, 3, 4
|
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do_8tap_4v put, 4, 3
|
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do_8tap_4v avg, 3, 4
|
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do_8tap_4v avg, 4, 3
|
|
|
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|
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.macro do_8tap_v_func type, filter, offset, size
|
|
function ff_vp9_\type\()_\filter\()\size\()_v_neon, export=1
|
|
uxtw x4, w4
|
|
movrel x5, X(ff_vp9_subpel_filters), 256*\offset
|
|
cmp w6, #8
|
|
add x6, x5, w6, uxtw #4
|
|
mov x5, #\size
|
|
.if \size >= 8
|
|
b.ge \type\()_8tap_8v_34
|
|
b \type\()_8tap_8v_43
|
|
.else
|
|
b.ge \type\()_8tap_4v_34
|
|
b \type\()_8tap_4v_43
|
|
.endif
|
|
endfunc
|
|
.endm
|
|
|
|
.macro do_8tap_v_filters size
|
|
do_8tap_v_func put, regular, 1, \size
|
|
do_8tap_v_func avg, regular, 1, \size
|
|
do_8tap_v_func put, sharp, 2, \size
|
|
do_8tap_v_func avg, sharp, 2, \size
|
|
do_8tap_v_func put, smooth, 0, \size
|
|
do_8tap_v_func avg, smooth, 0, \size
|
|
.endm
|
|
|
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do_8tap_v_filters 64
|
|
do_8tap_v_filters 32
|
|
do_8tap_v_filters 16
|
|
do_8tap_v_filters 8
|
|
do_8tap_v_filters 4
|