mirror of
https://github.com/FFmpeg/FFmpeg.git
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616 lines
21 KiB
ArmAsm
616 lines
21 KiB
ArmAsm
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/*
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* Copyright (c) 2017 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/arm/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_copy128_neon, export=1
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ldr r12, [sp]
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sub r1, r1, #96
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sub r3, r3, #96
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1:
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subs r12, r12, #1
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vld1.16 {q0, q1}, [r2]!
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vst1.16 {q0, q1}, [r0, :128]!
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vld1.16 {q2, q3}, [r2]!
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vst1.16 {q2, q3}, [r0, :128]!
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vld1.16 {q8, q9}, [r2]!
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vst1.16 {q8, q9}, [r0, :128]!
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vld1.16 {q10, q11}, [r2], r3
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vst1.16 {q10, q11}, [r0, :128], r1
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bne 1b
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bx lr
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endfunc
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function ff_vp9_avg64_16_neon, export=1
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push {lr}
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ldr r12, [sp, #4]
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sub r1, r1, #96
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sub r3, r3, #96
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mov lr, r0
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1:
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subs r12, r12, #1
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vld1.16 {q8, q9}, [r2]!
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vld1.16 {q0, q1}, [r0, :128]!
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vld1.16 {q10, q11}, [r2]!
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vrhadd.u16 q0, q0, q8
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vld1.16 {q2, q3}, [r0, :128]!
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vrhadd.u16 q1, q1, q9
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vld1.16 {q12, q13}, [r2]!
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vrhadd.u16 q2, q2, q10
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vst1.16 {q0, q1}, [lr, :128]!
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vrhadd.u16 q3, q3, q11
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vld1.16 {q8, q9}, [r0, :128]!
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vst1.16 {q2, q3}, [lr, :128]!
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vrhadd.u16 q8, q8, q12
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vld1.16 {q14, q15}, [r2], r3
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vrhadd.u16 q9, q9, q13
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vld1.16 {q10, q11}, [r0, :128], r1
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vrhadd.u16 q10, q10, q14
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vst1.16 {q8, q9}, [lr, :128]!
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vrhadd.u16 q11, q11, q15
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vst1.16 {q10, q11}, [lr, :128], r1
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bne 1b
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pop {pc}
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endfunc
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function ff_vp9_avg32_16_neon, export=1
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push {lr}
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ldr r12, [sp, #4]
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sub r1, r1, #32
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sub r3, r3, #32
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mov lr, r0
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1:
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subs r12, r12, #1
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vld1.16 {q8, q9}, [r2]!
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vld1.16 {q0, q1}, [r0, :128]!
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vld1.16 {q10, q11}, [r2], r3
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vrhadd.u16 q0, q0, q8
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vld1.16 {q2, q3}, [r0, :128], r1
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vrhadd.u16 q1, q1, q9
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vrhadd.u16 q2, q2, q10
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vst1.16 {q0, q1}, [lr, :128]!
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vrhadd.u16 q3, q3, q11
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vst1.16 {q2, q3}, [lr, :128], r1
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bne 1b
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pop {pc}
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endfunc
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function ff_vp9_avg16_16_neon, export=1
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ldr r12, [sp]
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1:
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subs r12, r12, #1
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vld1.16 {q2, q3}, [r2], r3
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vld1.16 {q0, q1}, [r0, :128]
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vrhadd.u16 q0, q0, q2
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vrhadd.u16 q1, q1, q3
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vst1.16 {q0, q1}, [r0, :128], r1
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bne 1b
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bx lr
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endfunc
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function ff_vp9_avg8_16_neon, export=1
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push {lr}
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ldr r12, [sp, #4]
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mov lr, r0
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1:
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subs r12, r12, #2
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vld1.16 {q2}, [r2], r3
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vld1.16 {q0}, [r0, :128], r1
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vld1.16 {q3}, [r2], r3
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vrhadd.u16 q0, q0, q2
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vld1.16 {q1}, [r0, :128], r1
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vrhadd.u16 q1, q1, q3
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vst1.16 {q0}, [lr, :128], r1
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vst1.16 {q1}, [lr, :128], r1
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bne 1b
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pop {pc}
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endfunc
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function ff_vp9_avg4_16_neon, export=1
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ldr r12, [sp]
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1:
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subs r12, r12, #2
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vld1.16 {d2}, [r2], r3
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vld1.16 {d0}, [r0, :64], r1
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vld1.16 {d3}, [r2], r3
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vrhadd.u16 d0, d0, d2
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vld1.16 {d1}, [r0, :64]
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sub r0, r0, r1
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vrhadd.u16 d1, d1, d3
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vst1.16 {d0}, [r0, :64], r1
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vst1.16 {d1}, [r0, :64], r1
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bne 1b
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bx lr
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endfunc
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@ Helper macros for vmull/vmlal with a constant from either d0 or d1 depending on index
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.macro vmull_lane dst, src, idx
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.if \idx < 4
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vmull.s16 \dst, \src, d0[\idx]
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.else
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vmull.s16 \dst, \src, d1[\idx - 4]
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.endif
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.endm
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.macro vmlal_lane dst, src, idx
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.if \idx < 4
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vmlal.s16 \dst, \src, d0[\idx]
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.else
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vmlal.s16 \dst, \src, d1[\idx - 4]
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.endif
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.endm
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@ Extract a vector from src1-src2 and src3-src4, andmultiply-accumulate
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@ into dst1 and dst3 (or dst1-dst2 and dst3-dst4 for size >= 8)
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.macro extmlal dst1, dst2, dst3, dst4, src1, src2, src3, src4, offset, size
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vext.8 q14, \src1, \src2, #(2*\offset)
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vext.8 q15, \src3, \src4, #(2*\offset)
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vmlal_lane \dst1, d28, \offset
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vmlal_lane \dst3, d30, \offset
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.if \size >= 8
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vmlal_lane \dst2, d29, \offset
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vmlal_lane \dst4, d31, \offset
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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 or 8 pixels in parallel; for larger
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@ widths it will do 8 pixels at a time and loop horizontally.
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@ The actual width (in bytes) is passed in r5, the height in r4 and
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@ the filter coefficients in r12.
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.macro do_8tap_h type, size
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function \type\()_8tap_\size\()h
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sub r2, r2, #6
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add r6, r0, r1
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add r7, r2, r3
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add r1, r1, r1
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add r3, r3, r3
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@ Only size >= 8 loops horizontally and needs
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@ reduced dst stride
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.if \size >= 8
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sub r1, r1, r5
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.endif
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@ size >= 8 loads two qwords and increments r2,
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@ for size 4 it's enough with three dwords and no
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@ postincrement
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.if \size >= 8
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sub r3, r3, r5
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sub r3, r3, #16
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.endif
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@ Load the filter vector
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vld1.16 {q0}, [r12,:128]
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1:
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.if \size >= 8
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mov r12, r5
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.endif
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@ Load src
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.if \size >= 8
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vld1.16 {q8, q9}, [r2]!
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vld1.16 {q10, q11}, [r7]!
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.else
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vld1.16 {d16, d17, d18}, [r2]
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vld1.16 {d20, d21, d22}, [r7]
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.endif
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2:
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vmull.s16 q1, d16, d0[0]
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vmull.s16 q12, d20, d0[0]
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.if \size >= 8
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vmull.s16 q2, d17, d0[0]
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vmull.s16 q13, d21, d0[0]
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.endif
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extmlal q1, q2, q12, q13, q8, q9, q10, q11, 1, \size
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extmlal q1, q2, q12, q13, q8, q9, q10, q11, 2, \size
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extmlal q1, q2, q12, q13, q8, q9, q10, q11, 3, \size
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extmlal q1, q2, q12, q13, q8, q9, q10, q11, 4, \size
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extmlal q1, q2, q12, q13, q8, q9, q10, q11, 5, \size
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extmlal q1, q2, q12, q13, q8, q9, q10, q11, 6, \size
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extmlal q1, q2, q12, q13, q8, q9, q10, q11, 7, \size
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@ Round, shift and saturate.
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@ The vqrshrun takes care of clamping negative values to zero, but
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@ we manually need to do vmin with the max pixel value.
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vqrshrun.s32 d2, q1, #7
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vqrshrun.s32 d24, q12, #7
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.if \size >= 8
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vqrshrun.s32 d3, q2, #7
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vqrshrun.s32 d25, q13, #7
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vmin.u16 q1, q1, q3
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vmin.u16 q12, q12, q3
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.else
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vmin.u16 d2, d2, d6
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vmin.u16 d24, d24, d6
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.endif
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@ Average
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.ifc \type,avg
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.if \size >= 8
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vld1.16 {q14}, [r0,:128]
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vld1.16 {q15}, [r6,:128]
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vrhadd.u16 q1, q1, q14
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vrhadd.u16 q12, q12, q15
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.else
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vld1.16 {d28}, [r0,:64]
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vld1.16 {d30}, [r6,:64]
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vrhadd.u16 d2, d2, d28
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vrhadd.u16 d24, d24, d30
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.endif
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.endif
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@ Store and loop horizontally (for size >= 8)
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.if \size >= 8
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subs r12, r12, #16
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vst1.16 {q1}, [r0,:128]!
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vst1.16 {q12}, [r6,:128]!
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beq 3f
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vmov q8, q9
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vmov q10, q11
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vld1.16 {q9}, [r2]!
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vld1.16 {q11}, [r7]!
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b 2b
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.else @ \size == 4
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vst1.16 {d2}, [r0,:64]
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vst1.16 {d24}, [r6,:64]
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.endif
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3:
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@ Loop vertically
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add r0, r0, r1
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add r6, r6, r1
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add r2, r2, r3
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add r7, r7, r3
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subs r4, r4, #2
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bne 1b
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pop {r4-r7}
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bx lr
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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
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do_8tap_h avg, \size
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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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.macro do_8tap_h_func type, filter, offset, size, bpp
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function ff_vp9_\type\()_\filter\()\size\()_h_\bpp\()_neon, export=1
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push {r4-r7}
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ldr r4, [sp, #16]
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ldr r5, [sp, #20]
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vmvn.u16 q3, #((0xffff << \bpp) & 0xffff)
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movrelx r12, X(ff_vp9_subpel_filters), r6
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add r12, r12, 256*\offset
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add r12, r12, r5, lsl #4
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mov r5, #2*\size
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.if \size >= 8
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b \type\()_8tap_8h
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.else
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b \type\()_8tap_4h
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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, bpp
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do_8tap_h_func put, regular, 1, \size, \bpp
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do_8tap_h_func avg, regular, 1, \size, \bpp
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do_8tap_h_func put, sharp, 2, \size, \bpp
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do_8tap_h_func avg, sharp, 2, \size, \bpp
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do_8tap_h_func put, smooth, 0, \size, \bpp
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do_8tap_h_func avg, smooth, 0, \size, \bpp
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.endm
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.macro do_8tap_h_filters_bpp bpp
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do_8tap_h_filters 64, \bpp
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do_8tap_h_filters 32, \bpp
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do_8tap_h_filters 16, \bpp
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do_8tap_h_filters 8, \bpp
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||
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|
do_8tap_h_filters 4, \bpp
|
||
|
|
.endm
|
||
|
|
|
||
|
|
do_8tap_h_filters_bpp 10
|
||
|
|
do_8tap_h_filters_bpp 12
|
||
|
|
|
||
|
|
.ltorg
|
||
|
|
|
||
|
|
@ Vertical filters
|
||
|
|
|
||
|
|
@ Round, shift and saturate and store qreg1-4
|
||
|
|
.macro do_store4 qreg1, dreg1, qreg2, dreg2, qreg3, dreg3, qreg4, dreg4, tmp1, tmp2, tmp3, tmp4, minreg, type
|
||
|
|
vqrshrun.s32 \dreg1, \qreg1, #7
|
||
|
|
vqrshrun.s32 \dreg2, \qreg2, #7
|
||
|
|
vqrshrun.s32 \dreg3, \qreg3, #7
|
||
|
|
vqrshrun.s32 \dreg4, \qreg4, #7
|
||
|
|
.ifc \type,avg
|
||
|
|
vld1.16 {\tmp1}, [r6,:64], r1
|
||
|
|
vld1.16 {\tmp2}, [r6,:64], r1
|
||
|
|
vld1.16 {\tmp3}, [r6,:64], r1
|
||
|
|
vld1.16 {\tmp4}, [r6,:64], r1
|
||
|
|
.endif
|
||
|
|
vmin.u16 \dreg1, \dreg1, \minreg
|
||
|
|
vmin.u16 \dreg2, \dreg2, \minreg
|
||
|
|
vmin.u16 \dreg3, \dreg3, \minreg
|
||
|
|
vmin.u16 \dreg4, \dreg4, \minreg
|
||
|
|
.ifc \type,avg
|
||
|
|
vrhadd.u16 \dreg1, \dreg1, \tmp1
|
||
|
|
vrhadd.u16 \dreg2, \dreg2, \tmp2
|
||
|
|
vrhadd.u16 \dreg3, \dreg3, \tmp3
|
||
|
|
vrhadd.u16 \dreg4, \dreg4, \tmp4
|
||
|
|
.endif
|
||
|
|
vst1.16 {\dreg1}, [r0,:64], r1
|
||
|
|
vst1.16 {\dreg2}, [r0,:64], r1
|
||
|
|
vst1.16 {\dreg3}, [r0,:64], r1
|
||
|
|
vst1.16 {\dreg4}, [r0,:64], r1
|
||
|
|
.endm
|
||
|
|
|
||
|
|
@ Round, shift and saturate and store qreg1-4
|
||
|
|
@ qreg1-2 belong to one line and qreg3-4 to the second line.
|
||
|
|
@ dreg1-2 == qreg1, dreg3-4 == qreg2.
|
||
|
|
.macro do_store8 qreg1, qreg2, qreg3, qreg4, dreg1, dreg2, dreg3, dreg4, minreg, type
|
||
|
|
vqrshrun.s32 \dreg1, \qreg1, #7
|
||
|
|
vqrshrun.s32 \dreg2, \qreg2, #7
|
||
|
|
vqrshrun.s32 \dreg3, \qreg3, #7
|
||
|
|
vqrshrun.s32 \dreg4, \qreg4, #7
|
||
|
|
.ifc \type,avg
|
||
|
|
vld1.16 {\qreg3}, [r6,:128], r1
|
||
|
|
vld1.16 {\qreg4}, [r6,:128], r1
|
||
|
|
.endif
|
||
|
|
vmin.u16 \qreg1, \qreg1, \minreg
|
||
|
|
vmin.u16 \qreg2, \qreg2, \minreg
|
||
|
|
.ifc \type,avg
|
||
|
|
vrhadd.u16 \qreg1, \qreg1, \qreg3
|
||
|
|
vrhadd.u16 \qreg2, \qreg2, \qreg4
|
||
|
|
.endif
|
||
|
|
vst1.16 {\qreg1}, [r0,:128], r1
|
||
|
|
vst1.16 {\qreg2}, [r0,:128], r1
|
||
|
|
.endm
|
||
|
|
|
||
|
|
@ Evaluate the filter twice in parallel, from the inputs src1-src9 into dst1-dst2
|
||
|
|
@ (src1-src8 into dst1, src2-src9 into dst2).
|
||
|
|
.macro convolve4 dst1, dst2, src1, src2, src3, src4, src5, src6, src7, src8, src9, tmp1, tmp2
|
||
|
|
vmull.s16 \dst1, \src1, d0[0]
|
||
|
|
vmull.s16 \dst2, \src2, d0[0]
|
||
|
|
vmull.s16 \tmp1, \src2, d0[1]
|
||
|
|
vmull.s16 \tmp2, \src3, d0[1]
|
||
|
|
vmlal.s16 \dst1, \src3, d0[2]
|
||
|
|
vmlal.s16 \dst2, \src4, d0[2]
|
||
|
|
vmlal.s16 \tmp1, \src4, d0[3]
|
||
|
|
vmlal.s16 \tmp2, \src5, d0[3]
|
||
|
|
vmlal.s16 \dst1, \src5, d1[0]
|
||
|
|
vmlal.s16 \dst2, \src6, d1[0]
|
||
|
|
vmlal.s16 \tmp1, \src6, d1[1]
|
||
|
|
vmlal.s16 \tmp2, \src7, d1[1]
|
||
|
|
vmlal.s16 \dst1, \src7, d1[2]
|
||
|
|
vmlal.s16 \dst2, \src8, d1[2]
|
||
|
|
vmlal.s16 \tmp1, \src8, d1[3]
|
||
|
|
vmlal.s16 \tmp2, \src9, d1[3]
|
||
|
|
vadd.s32 \dst1, \dst1, \tmp1
|
||
|
|
vadd.s32 \dst2, \dst2, \tmp2
|
||
|
|
.endm
|
||
|
|
|
||
|
|
@ Evaluate the filter twice in parallel. This does the same as convolve4 above,
|
||
|
|
@ but with double width (two input/output registers per row).
|
||
|
|
.macro convolve8 dst1, dst2, dst3, dst4, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10, src11, src12, src13, src14, src15, src16, src17, src18
|
||
|
|
vmull.s16 \dst1, \src1, d0[0]
|
||
|
|
vmull.s16 \dst2, \src2, d0[0]
|
||
|
|
vmull.s16 \dst3, \src3, d0[0]
|
||
|
|
vmull.s16 \dst4, \src4, d0[0]
|
||
|
|
vmlal.s16 \dst1, \src3, d0[1]
|
||
|
|
vmlal.s16 \dst2, \src4, d0[1]
|
||
|
|
vmlal.s16 \dst3, \src5, d0[1]
|
||
|
|
vmlal.s16 \dst4, \src6, d0[1]
|
||
|
|
vmlal.s16 \dst1, \src5, d0[2]
|
||
|
|
vmlal.s16 \dst2, \src6, d0[2]
|
||
|
|
vmlal.s16 \dst3, \src7, d0[2]
|
||
|
|
vmlal.s16 \dst4, \src8, d0[2]
|
||
|
|
vmlal.s16 \dst1, \src7, d0[3]
|
||
|
|
vmlal.s16 \dst2, \src8, d0[3]
|
||
|
|
vmlal.s16 \dst3, \src9, d0[3]
|
||
|
|
vmlal.s16 \dst4, \src10, d0[3]
|
||
|
|
vmlal.s16 \dst1, \src9, d1[0]
|
||
|
|
vmlal.s16 \dst2, \src10, d1[0]
|
||
|
|
vmlal.s16 \dst3, \src11, d1[0]
|
||
|
|
vmlal.s16 \dst4, \src12, d1[0]
|
||
|
|
vmlal.s16 \dst1, \src11, d1[1]
|
||
|
|
vmlal.s16 \dst2, \src12, d1[1]
|
||
|
|
vmlal.s16 \dst3, \src13, d1[1]
|
||
|
|
vmlal.s16 \dst4, \src14, d1[1]
|
||
|
|
vmlal.s16 \dst1, \src13, d1[2]
|
||
|
|
vmlal.s16 \dst2, \src14, d1[2]
|
||
|
|
vmlal.s16 \dst3, \src15, d1[2]
|
||
|
|
vmlal.s16 \dst4, \src16, d1[2]
|
||
|
|
vmlal.s16 \dst1, \src15, d1[3]
|
||
|
|
vmlal.s16 \dst2, \src16, d1[3]
|
||
|
|
vmlal.s16 \dst3, \src17, d1[3]
|
||
|
|
vmlal.s16 \dst4, \src18, d1[3]
|
||
|
|
.endm
|
||
|
|
|
||
|
|
@ Instantiate a vertical filter function for filtering 8 pixels at a time.
|
||
|
|
@ The height is passed in r4, the width in r5 and the filter coefficients
|
||
|
|
@ in r12.
|
||
|
|
.macro do_8tap_8v type
|
||
|
|
function \type\()_8tap_8v
|
||
|
|
sub r2, r2, r3, lsl #1
|
||
|
|
sub r2, r2, r3
|
||
|
|
vld1.16 {q0}, [r12, :128]
|
||
|
|
1:
|
||
|
|
.ifc \type,avg
|
||
|
|
mov r6, r0
|
||
|
|
.endif
|
||
|
|
mov r12, r4
|
||
|
|
|
||
|
|
vld1.16 {q5}, [r2], r3
|
||
|
|
vld1.16 {q6}, [r2], r3
|
||
|
|
vld1.16 {q7}, [r2], r3
|
||
|
|
vld1.16 {q8}, [r2], r3
|
||
|
|
vld1.16 {q9}, [r2], r3
|
||
|
|
vld1.16 {q10}, [r2], r3
|
||
|
|
vld1.16 {q11}, [r2], r3
|
||
|
|
2:
|
||
|
|
vld1.16 {q12}, [r2], r3
|
||
|
|
vld1.16 {q13}, [r2], r3
|
||
|
|
vld1.16 {q14}, [r2], r3
|
||
|
|
vld1.16 {q15}, [r2], r3
|
||
|
|
convolve8 q2, q3, q4, q5, d10, d11, d12, d13, d14, d15, d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27
|
||
|
|
do_store8 q2, q3, q4, q5, d4, d5, d6, d7, q1, \type
|
||
|
|
convolve8 q2, q3, q4, q5, d14, d15, d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31
|
||
|
|
do_store8 q2, q3, q4, q5, d4, d5, d6, d7, q1, \type
|
||
|
|
|
||
|
|
subs r12, r12, #4
|
||
|
|
beq 8f
|
||
|
|
|
||
|
|
vld1.16 {q4}, [r2], r3
|
||
|
|
vld1.16 {q5}, [r2], r3
|
||
|
|
vld1.16 {q6}, [r2], r3
|
||
|
|
vld1.16 {q7}, [r2], r3
|
||
|
|
convolve8 q2, q3, q8, q9, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31, d8, d9, d10, d11
|
||
|
|
do_store8 q2, q3, q8, q9, d4, d5, d6, d7, q1, \type
|
||
|
|
convolve8 q2, q3, q8, q9, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31, d8, d9, d10, d11, d12, d13, d14, d15
|
||
|
|
do_store8 q2, q3, q8, q9, d4, d5, d6, d7, q1, \type
|
||
|
|
|
||
|
|
subs r12, r12, #4
|
||
|
|
beq 8f
|
||
|
|
|
||
|
|
vld1.16 {q8}, [r2], r3
|
||
|
|
vld1.16 {q9}, [r2], r3
|
||
|
|
vld1.16 {q10}, [r2], r3
|
||
|
|
vld1.16 {q11}, [r2], r3
|
||
|
|
convolve8 q2, q3, q12, q13, d26, d27, d28, d29, d30, d31, d8, d9, d10, d11, d12, d13, d14, d15, d16, d17, d18, d19
|
||
|
|
do_store8 q2, q3, q12, q13, d4, d5, d6, d7, q1, \type
|
||
|
|
convolve8 q2, q3, q12, q13, d30, d31, d8, d9, d10, d11, d12, d13, d14, d15, d16, d17, d18, d19, d20, d21, d22, d23
|
||
|
|
do_store8 q2, q3, q12, q13, d4, d5, d6, d7, q1, \type
|
||
|
|
|
||
|
|
subs r12, r12, #4
|
||
|
|
bne 2b
|
||
|
|
|
||
|
|
8:
|
||
|
|
subs r5, r5, #8
|
||
|
|
beq 9f
|
||
|
|
@ r0 -= h * dst_stride
|
||
|
|
mls r0, r1, r4, r0
|
||
|
|
@ r2 -= h * src_stride
|
||
|
|
mls r2, r3, r4, r2
|
||
|
|
@ r2 -= 8 * src_stride
|
||
|
|
sub r2, r2, r3, lsl #3
|
||
|
|
@ r2 += 1 * src_stride
|
||
|
|
add r2, r2, r3
|
||
|
|
add r2, r2, #16
|
||
|
|
add r0, r0, #16
|
||
|
|
b 1b
|
||
|
|
9:
|
||
|
|
vpop {q4-q7}
|
||
|
|
pop {r4-r6}
|
||
|
|
bx lr
|
||
|
|
endfunc
|
||
|
|
.endm
|
||
|
|
|
||
|
|
do_8tap_8v put
|
||
|
|
do_8tap_8v avg
|
||
|
|
|
||
|
|
@ Instantiate a vertical filter function for filtering a 4 pixels wide
|
||
|
|
@ slice. This only is designed to work for 4 or 8 output lines.
|
||
|
|
.macro do_8tap_4v type
|
||
|
|
function \type\()_8tap_4v
|
||
|
|
sub r2, r2, r3, lsl #1
|
||
|
|
sub r2, r2, r3
|
||
|
|
vld1.16 {q0}, [r12, :128]
|
||
|
|
.ifc \type,avg
|
||
|
|
mov r6, r0
|
||
|
|
.endif
|
||
|
|
|
||
|
|
vld1.16 {d16}, [r2], r3
|
||
|
|
vld1.16 {d17}, [r2], r3
|
||
|
|
vld1.16 {d18}, [r2], r3
|
||
|
|
vld1.16 {d19}, [r2], r3
|
||
|
|
vld1.16 {d20}, [r2], r3
|
||
|
|
vld1.16 {d21}, [r2], r3
|
||
|
|
vld1.16 {d22}, [r2], r3
|
||
|
|
vld1.16 {d23}, [r2], r3
|
||
|
|
vld1.16 {d24}, [r2], r3
|
||
|
|
vld1.16 {d25}, [r2], r3
|
||
|
|
vld1.16 {d26}, [r2], r3
|
||
|
|
convolve4 q2, q3, d16, d17, d18, d19, d20, d21, d22, d23, d24, q14, q15
|
||
|
|
convolve4 q14, q15, d18, d19, d20, d21, d22, d23, d24, d25, d26, q8, q9
|
||
|
|
do_store4 q2, d4, q3, d6, q14, d28, q15, d30, d5, d7, d29, d31, d2, \type
|
||
|
|
|
||
|
|
subs r4, r4, #4
|
||
|
|
beq 9f
|
||
|
|
|
||
|
|
vld1.16 {d27}, [r2], r3
|
||
|
|
vld1.16 {d28}, [r2], r3
|
||
|
|
vld1.16 {d29}, [r2], r3
|
||
|
|
vld1.16 {d30}, [r2], r3
|
||
|
|
convolve4 q2, q3, d20, d21, d22, d23, d24, d25, d26, d27, d28, q8, q9
|
||
|
|
convolve4 q8, q9, d22, d23, d24, d25, d26, d27, d28, d29, d30, q10, q11
|
||
|
|
do_store4 q2, d4, q3, d6, q8, d16, q9, d18, d5, d7, d17, d19, d2, \type
|
||
|
|
|
||
|
|
9:
|
||
|
|
pop {r4-r6}
|
||
|
|
bx lr
|
||
|
|
endfunc
|
||
|
|
.endm
|
||
|
|
|
||
|
|
do_8tap_4v put
|
||
|
|
do_8tap_4v avg
|
||
|
|
|
||
|
|
.macro do_8tap_v_func type, filter, offset, size, bpp
|
||
|
|
function ff_vp9_\type\()_\filter\()\size\()_v_\bpp\()_neon, export=1
|
||
|
|
push {r4-r6}
|
||
|
|
ldr r4, [sp, #12]
|
||
|
|
ldr r5, [sp, #20]
|
||
|
|
.if \size >= 8
|
||
|
|
vpush {q4-q7}
|
||
|
|
.endif
|
||
|
|
vmvn.u16 q1, #((0xffff << \bpp) & 0xffff)
|
||
|
|
movrelx r12, X(ff_vp9_subpel_filters), r6
|
||
|
|
add r12, r12, 256*\offset
|
||
|
|
add r12, r12, r5, lsl #4
|
||
|
|
mov r5, #\size
|
||
|
|
.if \size >= 8
|
||
|
|
b \type\()_8tap_8v
|
||
|
|
.else
|
||
|
|
b \type\()_8tap_4v
|
||
|
|
.endif
|
||
|
|
endfunc
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro do_8tap_v_filters size, bpp
|
||
|
|
do_8tap_v_func put, regular, 1, \size, \bpp
|
||
|
|
do_8tap_v_func avg, regular, 1, \size, \bpp
|
||
|
|
do_8tap_v_func put, sharp, 2, \size, \bpp
|
||
|
|
do_8tap_v_func avg, sharp, 2, \size, \bpp
|
||
|
|
do_8tap_v_func put, smooth, 0, \size, \bpp
|
||
|
|
do_8tap_v_func avg, smooth, 0, \size, \bpp
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro do_8tap_v_filters_bpp bpp
|
||
|
|
do_8tap_v_filters 64, \bpp
|
||
|
|
do_8tap_v_filters 32, \bpp
|
||
|
|
do_8tap_v_filters 16, \bpp
|
||
|
|
do_8tap_v_filters 8, \bpp
|
||
|
|
do_8tap_v_filters 4, \bpp
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||
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|
.endm
|
||
|
|
|
||
|
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do_8tap_v_filters_bpp 10
|
||
|
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do_8tap_v_filters_bpp 12
|