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| /* | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| #include "libavutil/aarch64/asm.S" | |
| function ff_ps_add_squares_neon, export=1 | |
| 1: ld1 {v0.4S,v1.4S}, [x1], #32 | |
| fmul v0.4S, v0.4S, v0.4S | |
| fmul v1.4S, v1.4S, v1.4S | |
| faddp v2.4S, v0.4S, v1.4S | |
| ld1 {v3.4S}, [x0] | |
| fadd v3.4S, v3.4S, v2.4S | |
| st1 {v3.4S}, [x0], #16 | |
| subs w2, w2, #4 | |
| b.gt 1b | |
| ret | |
| endfunc | |
| function ff_ps_mul_pair_single_neon, export=1 | |
| 1: ld1 {v0.4S,v1.4S}, [x1], #32 | |
| ld1 {v2.4S}, [x2], #16 | |
| zip1 v3.4S, v2.4S, v2.4S | |
| zip2 v4.4S, v2.4S, v2.4S | |
| fmul v0.4S, v0.4S, v3.4S | |
| fmul v1.4S, v1.4S, v4.4S | |
| st1 {v0.4S,v1.4S}, [x0], #32 | |
| subs w3, w3, #4 | |
| b.gt 1b | |
| ret | |
| endfunc | |
| function ff_ps_stereo_interpolate_neon, export=1 | |
| ld1 {v0.4S}, [x2] | |
| ld1 {v1.4S}, [x3] | |
| zip1 v4.4S, v0.4S, v0.4S | |
| zip2 v5.4S, v0.4S, v0.4S | |
| zip1 v6.4S, v1.4S, v1.4S | |
| zip2 v7.4S, v1.4S, v1.4S | |
| 1: ld1 {v2.2S}, [x0] | |
| ld1 {v3.2S}, [x1] | |
| fadd v4.4S, v4.4S, v6.4S | |
| fadd v5.4S, v5.4S, v7.4S | |
| mov v2.D[1], v2.D[0] | |
| mov v3.D[1], v3.D[0] | |
| fmul v2.4S, v2.4S, v4.4S | |
| fmla v2.4S, v3.4S, v5.4S | |
| st1 {v2.D}[0], [x0], #8 | |
| st1 {v2.D}[1], [x1], #8 | |
| subs w4, w4, #1 | |
| b.gt 1b | |
| ret | |
| endfunc | |
| function ff_ps_stereo_interpolate_ipdopd_neon, export=1 | |
| ld1 {v0.4S,v1.4S}, [x2] | |
| ld1 {v6.4S,v7.4S}, [x3] | |
| fneg v2.4S, v1.4S | |
| fneg v3.4S, v7.4S | |
| zip1 v16.4S, v0.4S, v0.4S | |
| zip2 v17.4S, v0.4S, v0.4S | |
| zip1 v18.4S, v2.4S, v1.4S | |
| zip2 v19.4S, v2.4S, v1.4S | |
| zip1 v20.4S, v6.4S, v6.4S | |
| zip2 v21.4S, v6.4S, v6.4S | |
| zip1 v22.4S, v3.4S, v7.4S | |
| zip2 v23.4S, v3.4S, v7.4S | |
| 1: ld1 {v2.2S}, [x0] | |
| ld1 {v3.2S}, [x1] | |
| fadd v16.4S, v16.4S, v20.4S | |
| fadd v17.4S, v17.4S, v21.4S | |
| mov v2.D[1], v2.D[0] | |
| mov v3.D[1], v3.D[0] | |
| fmul v4.4S, v2.4S, v16.4S | |
| fmla v4.4S, v3.4S, v17.4S | |
| fadd v18.4S, v18.4S, v22.4S | |
| fadd v19.4S, v19.4S, v23.4S | |
| ext v2.16B, v2.16B, v2.16B, #4 | |
| ext v3.16B, v3.16B, v3.16B, #4 | |
| fmla v4.4S, v2.4S, v18.4S | |
| fmla v4.4S, v3.4S, v19.4S | |
| st1 {v4.D}[0], [x0], #8 | |
| st1 {v4.D}[1], [x1], #8 | |
| subs w4, w4, #1 | |
| b.gt 1b | |
| ret | |
| endfunc | |
| function ff_ps_hybrid_analysis_neon, export=1 | |
| lsl x3, x3, #3 | |
| ld2 {v0.4S,v1.4S}, [x1], #32 | |
| ld2 {v2.2S,v3.2S}, [x1], #16 | |
| ld1 {v24.2S}, [x1], #8 | |
| ld2 {v4.2S,v5.2S}, [x1], #16 | |
| ld2 {v6.4S,v7.4S}, [x1] | |
| rev64 v6.4S, v6.4S | |
| rev64 v7.4S, v7.4S | |
| ext v6.16B, v6.16B, v6.16B, #8 | |
| ext v7.16B, v7.16B, v7.16B, #8 | |
| rev64 v4.2S, v4.2S | |
| rev64 v5.2S, v5.2S | |
| mov v2.D[1], v3.D[0] | |
| mov v4.D[1], v5.D[0] | |
| mov v5.D[1], v2.D[0] | |
| mov v3.D[1], v4.D[0] | |
| fadd v16.4S, v0.4S, v6.4S | |
| fadd v17.4S, v1.4S, v7.4S | |
| fsub v18.4S, v1.4S, v7.4S | |
| fsub v19.4S, v0.4S, v6.4S | |
| fadd v22.4S, v2.4S, v4.4S | |
| fsub v23.4S, v5.4S, v3.4S | |
| trn1 v20.2D, v22.2D, v23.2D // {re4+re8, re5+re7, im8-im4, im7-im5} | |
| trn2 v21.2D, v22.2D, v23.2D // {im4+im8, im5+im7, re4-re8, re5-re7} | |
| 1: ld2 {v2.4S,v3.4S}, [x2], #32 | |
| ld2 {v4.2S,v5.2S}, [x2], #16 | |
| ld1 {v6.2S}, [x2], #8 | |
| add x2, x2, #8 | |
| mov v4.D[1], v5.D[0] | |
| mov v6.S[1], v6.S[0] | |
| fmul v6.2S, v6.2S, v24.2S | |
| fmul v0.4S, v2.4S, v16.4S | |
| fmul v1.4S, v2.4S, v17.4S | |
| fmls v0.4S, v3.4S, v18.4S | |
| fmla v1.4S, v3.4S, v19.4S | |
| fmla v0.4S, v4.4S, v20.4S | |
| fmla v1.4S, v4.4S, v21.4S | |
| faddp v0.4S, v0.4S, v1.4S | |
| faddp v0.4S, v0.4S, v0.4S | |
| fadd v0.2S, v0.2S, v6.2S | |
| st1 {v0.2S}, [x0], x3 | |
| subs w4, w4, #1 | |
| b.gt 1b | |
| ret | |
| endfunc | |