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a76b409dd0
libavcodec/aarch64/vc1dsp_neon.S is skipped here, as it intentionally uses a layered indentation style to visually show how different unrolled/interleaved phases fit together. Signed-off-by: Martin Storsjö <martin@martin.st>
149 lines
5.8 KiB
ArmAsm
149 lines
5.8 KiB
ArmAsm
/*
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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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function ff_ps_add_squares_neon, export=1
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1: ld1 {v0.4s,v1.4s}, [x1], #32
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fmul v0.4s, v0.4s, v0.4s
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fmul v1.4s, v1.4s, v1.4s
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faddp v2.4s, v0.4s, v1.4s
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ld1 {v3.4s}, [x0]
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fadd v3.4s, v3.4s, v2.4s
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st1 {v3.4s}, [x0], #16
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subs w2, w2, #4
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b.gt 1b
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ret
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endfunc
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function ff_ps_mul_pair_single_neon, export=1
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1: ld1 {v0.4s,v1.4s}, [x1], #32
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ld1 {v2.4s}, [x2], #16
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zip1 v3.4s, v2.4s, v2.4s
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zip2 v4.4s, v2.4s, v2.4s
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fmul v0.4s, v0.4s, v3.4s
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fmul v1.4s, v1.4s, v4.4s
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st1 {v0.4s,v1.4s}, [x0], #32
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subs w3, w3, #4
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b.gt 1b
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ret
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endfunc
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function ff_ps_stereo_interpolate_neon, export=1
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ld1 {v0.4s}, [x2]
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ld1 {v1.4s}, [x3]
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zip1 v4.4s, v0.4s, v0.4s
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zip2 v5.4s, v0.4s, v0.4s
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zip1 v6.4s, v1.4s, v1.4s
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zip2 v7.4s, v1.4s, v1.4s
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1: ld1 {v2.2s}, [x0]
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ld1 {v3.2s}, [x1]
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fadd v4.4s, v4.4s, v6.4s
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fadd v5.4s, v5.4s, v7.4s
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mov v2.d[1], v2.d[0]
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mov v3.d[1], v3.d[0]
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fmul v2.4s, v2.4s, v4.4s
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fmla v2.4s, v3.4s, v5.4s
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st1 {v2.d}[0], [x0], #8
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st1 {v2.d}[1], [x1], #8
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subs w4, w4, #1
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b.gt 1b
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ret
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endfunc
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function ff_ps_stereo_interpolate_ipdopd_neon, export=1
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ld1 {v0.4s,v1.4s}, [x2]
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ld1 {v6.4s,v7.4s}, [x3]
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fneg v2.4s, v1.4s
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fneg v3.4s, v7.4s
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zip1 v16.4s, v0.4s, v0.4s
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zip2 v17.4s, v0.4s, v0.4s
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zip1 v18.4s, v2.4s, v1.4s
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zip2 v19.4s, v2.4s, v1.4s
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zip1 v20.4s, v6.4s, v6.4s
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zip2 v21.4s, v6.4s, v6.4s
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zip1 v22.4s, v3.4s, v7.4s
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zip2 v23.4s, v3.4s, v7.4s
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1: ld1 {v2.2s}, [x0]
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ld1 {v3.2s}, [x1]
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fadd v16.4s, v16.4s, v20.4s
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fadd v17.4s, v17.4s, v21.4s
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mov v2.d[1], v2.d[0]
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mov v3.d[1], v3.d[0]
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fmul v4.4s, v2.4s, v16.4s
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fmla v4.4s, v3.4s, v17.4s
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fadd v18.4s, v18.4s, v22.4s
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fadd v19.4s, v19.4s, v23.4s
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ext v2.16b, v2.16b, v2.16b, #4
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ext v3.16b, v3.16b, v3.16b, #4
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fmla v4.4s, v2.4s, v18.4s
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fmla v4.4s, v3.4s, v19.4s
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st1 {v4.d}[0], [x0], #8
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st1 {v4.d}[1], [x1], #8
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subs w4, w4, #1
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b.gt 1b
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ret
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endfunc
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function ff_ps_hybrid_analysis_neon, export=1
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lsl x3, x3, #3
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ld2 {v0.4s,v1.4s}, [x1], #32
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ld2 {v2.2s,v3.2s}, [x1], #16
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ld1 {v24.2s}, [x1], #8
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ld2 {v4.2s,v5.2s}, [x1], #16
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ld2 {v6.4s,v7.4s}, [x1]
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rev64 v6.4s, v6.4s
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rev64 v7.4s, v7.4s
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ext v6.16b, v6.16b, v6.16b, #8
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ext v7.16b, v7.16b, v7.16b, #8
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rev64 v4.2s, v4.2s
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rev64 v5.2s, v5.2s
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mov v2.d[1], v3.d[0]
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mov v4.d[1], v5.d[0]
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mov v5.d[1], v2.d[0]
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mov v3.d[1], v4.d[0]
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fadd v16.4s, v0.4s, v6.4s
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fadd v17.4s, v1.4s, v7.4s
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fsub v18.4s, v1.4s, v7.4s
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fsub v19.4s, v0.4s, v6.4s
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fadd v22.4s, v2.4s, v4.4s
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fsub v23.4s, v5.4s, v3.4s
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trn1 v20.2d, v22.2d, v23.2d // {re4+re8, re5+re7, im8-im4, im7-im5}
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trn2 v21.2d, v22.2d, v23.2d // {im4+im8, im5+im7, re4-re8, re5-re7}
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1: ld2 {v2.4s,v3.4s}, [x2], #32
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ld2 {v4.2s,v5.2s}, [x2], #16
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ld1 {v6.2s}, [x2], #8
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add x2, x2, #8
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mov v4.d[1], v5.d[0]
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mov v6.s[1], v6.s[0]
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fmul v6.2s, v6.2s, v24.2s
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fmul v0.4s, v2.4s, v16.4s
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fmul v1.4s, v2.4s, v17.4s
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fmls v0.4s, v3.4s, v18.4s
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fmla v1.4s, v3.4s, v19.4s
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fmla v0.4s, v4.4s, v20.4s
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fmla v1.4s, v4.4s, v21.4s
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faddp v0.4s, v0.4s, v1.4s
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faddp v0.4s, v0.4s, v0.4s
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fadd v0.2s, v0.2s, v6.2s
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st1 {v0.2s}, [x0], x3
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subs w4, w4, #1
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b.gt 1b
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ret
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endfunc
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