| /* |
| * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| * Copyright (c) 2014 Janne Grunau <janne-libav@jannau.net> |
| * |
| * 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 "config.h" |
| #include "libavutil/aarch64/asm.S" |
| |
| function swri_oldapi_conv_flt_to_s16_neon, export=1 |
| subs x2, x2, #8 |
| ld1 {v0.4s}, [x1], #16 |
| fcvtzs v4.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x1], #16 |
| fcvtzs v5.4s, v1.4s, #31 |
| b.eq 3f |
| ands x12, x2, #~15 |
| b.eq 2f |
| 1: subs x12, x12, #16 |
| sqrshrn v4.4h, v4.4s, #16 |
| ld1 {v2.4s}, [x1], #16 |
| fcvtzs v6.4s, v2.4s, #31 |
| sqrshrn2 v4.8h, v5.4s, #16 |
| ld1 {v3.4s}, [x1], #16 |
| fcvtzs v7.4s, v3.4s, #31 |
| sqrshrn v6.4h, v6.4s, #16 |
| st1 {v4.8h}, [x0], #16 |
| sqrshrn2 v6.8h, v7.4s, #16 |
| ld1 {v0.4s}, [x1], #16 |
| fcvtzs v4.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x1], #16 |
| fcvtzs v5.4s, v1.4s, #31 |
| st1 {v6.8h}, [x0], #16 |
| b.ne 1b |
| ands x2, x2, #15 |
| b.eq 3f |
| 2: ld1 {v2.4s}, [x1], #16 |
| sqrshrn v4.4h, v4.4s, #16 |
| fcvtzs v6.4s, v2.4s, #31 |
| ld1 {v3.4s}, [x1], #16 |
| sqrshrn2 v4.8h, v5.4s, #16 |
| fcvtzs v7.4s, v3.4s, #31 |
| sqrshrn v6.4h, v6.4s, #16 |
| st1 {v4.8h}, [x0], #16 |
| sqrshrn2 v6.8h, v7.4s, #16 |
| st1 {v6.8h}, [x0] |
| ret |
| 3: sqrshrn v4.4h, v4.4s, #16 |
| sqrshrn2 v4.8h, v5.4s, #16 |
| st1 {v4.8h}, [x0] |
| ret |
| endfunc |
| |
| function swri_oldapi_conv_fltp_to_s16_2ch_neon, export=1 |
| ldp x4, x5, [x1] |
| subs x2, x2, #8 |
| ld1 {v0.4s}, [x4], #16 |
| fcvtzs v4.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x4], #16 |
| fcvtzs v5.4s, v1.4s, #31 |
| ld1 {v2.4s}, [x5], #16 |
| fcvtzs v6.4s, v2.4s, #31 |
| ld1 {v3.4s}, [x5], #16 |
| fcvtzs v7.4s, v3.4s, #31 |
| b.eq 3f |
| ands x12, x2, #~15 |
| b.eq 2f |
| 1: subs x12, x12, #16 |
| ld1 {v16.4s}, [x4], #16 |
| fcvtzs v20.4s, v16.4s, #31 |
| sri v6.4s, v4.4s, #16 |
| ld1 {v17.4s}, [x4], #16 |
| fcvtzs v21.4s, v17.4s, #31 |
| ld1 {v18.4s}, [x5], #16 |
| fcvtzs v22.4s, v18.4s, #31 |
| ld1 {v19.4s}, [x5], #16 |
| sri v7.4s, v5.4s, #16 |
| st1 {v6.4s}, [x0], #16 |
| fcvtzs v23.4s, v19.4s, #31 |
| st1 {v7.4s}, [x0], #16 |
| sri v22.4s, v20.4s, #16 |
| ld1 {v0.4s}, [x4], #16 |
| sri v23.4s, v21.4s, #16 |
| st1 {v22.4s}, [x0], #16 |
| fcvtzs v4.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x4], #16 |
| fcvtzs v5.4s, v1.4s, #31 |
| ld1 {v2.4s}, [x5], #16 |
| fcvtzs v6.4s, v2.4s, #31 |
| ld1 {v3.4s}, [x5], #16 |
| fcvtzs v7.4s, v3.4s, #31 |
| st1 {v23.4s}, [x0], #16 |
| b.ne 1b |
| ands x2, x2, #15 |
| b.eq 3f |
| 2: sri v6.4s, v4.4s, #16 |
| ld1 {v0.4s}, [x4], #16 |
| fcvtzs v0.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x4], #16 |
| fcvtzs v1.4s, v1.4s, #31 |
| ld1 {v2.4s}, [x5], #16 |
| fcvtzs v2.4s, v2.4s, #31 |
| sri v7.4s, v5.4s, #16 |
| ld1 {v3.4s}, [x5], #16 |
| fcvtzs v3.4s, v3.4s, #31 |
| sri v2.4s, v0.4s, #16 |
| st1 {v6.4s,v7.4s}, [x0], #32 |
| sri v3.4s, v1.4s, #16 |
| st1 {v2.4s,v3.4s}, [x0], #32 |
| ret |
| 3: sri v6.4s, v4.4s, #16 |
| sri v7.4s, v5.4s, #16 |
| st1 {v6.4s,v7.4s}, [x0] |
| ret |
| endfunc |
| |
| function swri_oldapi_conv_fltp_to_s16_nch_neon, export=1 |
| cmp w3, #2 |
| b.eq X(swri_oldapi_conv_fltp_to_s16_2ch_neon) |
| b.gt 1f |
| ldr x1, [x1] |
| b X(swri_oldapi_conv_flt_to_s16_neon) |
| 1: |
| cmp w3, #4 |
| lsl x12, x3, #1 |
| b.lt 4f |
| |
| 5: // 4 channels |
| ldp x4, x5, [x1], #16 |
| ldp x6, x7, [x1], #16 |
| mov w9, w2 |
| mov x8, x0 |
| ld1 {v4.4s}, [x4], #16 |
| fcvtzs v4.4s, v4.4s, #31 |
| ld1 {v5.4s}, [x5], #16 |
| fcvtzs v5.4s, v5.4s, #31 |
| ld1 {v6.4s}, [x6], #16 |
| fcvtzs v6.4s, v6.4s, #31 |
| ld1 {v7.4s}, [x7], #16 |
| fcvtzs v7.4s, v7.4s, #31 |
| 6: |
| subs w9, w9, #8 |
| ld1 {v0.4s}, [x4], #16 |
| fcvtzs v0.4s, v0.4s, #31 |
| sri v5.4s, v4.4s, #16 |
| ld1 {v1.4s}, [x5], #16 |
| fcvtzs v1.4s, v1.4s, #31 |
| sri v7.4s, v6.4s, #16 |
| ld1 {v2.4s}, [x6], #16 |
| fcvtzs v2.4s, v2.4s, #31 |
| zip1 v16.4s, v5.4s, v7.4s |
| ld1 {v3.4s}, [x7], #16 |
| fcvtzs v3.4s, v3.4s, #31 |
| zip2 v17.4s, v5.4s, v7.4s |
| st1 {v16.d}[0], [x8], x12 |
| sri v1.4s, v0.4s, #16 |
| st1 {v16.d}[1], [x8], x12 |
| sri v3.4s, v2.4s, #16 |
| st1 {v17.d}[0], [x8], x12 |
| zip1 v18.4s, v1.4s, v3.4s |
| st1 {v17.d}[1], [x8], x12 |
| zip2 v19.4s, v1.4s, v3.4s |
| b.eq 7f |
| ld1 {v4.4s}, [x4], #16 |
| fcvtzs v4.4s, v4.4s, #31 |
| st1 {v18.d}[0], [x8], x12 |
| ld1 {v5.4s}, [x5], #16 |
| fcvtzs v5.4s, v5.4s, #31 |
| st1 {v18.d}[1], [x8], x12 |
| ld1 {v6.4s}, [x6], #16 |
| fcvtzs v6.4s, v6.4s, #31 |
| st1 {v19.d}[0], [x8], x12 |
| ld1 {v7.4s}, [x7], #16 |
| fcvtzs v7.4s, v7.4s, #31 |
| st1 {v19.d}[1], [x8], x12 |
| b 6b |
| 7: |
| st1 {v18.d}[0], [x8], x12 |
| st1 {v18.d}[1], [x8], x12 |
| st1 {v19.d}[0], [x8], x12 |
| st1 {v19.d}[1], [x8], x12 |
| subs w3, w3, #4 |
| b.eq end |
| cmp w3, #4 |
| add x0, x0, #8 |
| b.ge 5b |
| |
| 4: // 2 channels |
| cmp w3, #2 |
| b.lt 4f |
| ldp x4, x5, [x1], #16 |
| mov w9, w2 |
| mov x8, x0 |
| tst w9, #8 |
| ld1 {v4.4s}, [x4], #16 |
| fcvtzs v4.4s, v4.4s, #31 |
| ld1 {v5.4s}, [x5], #16 |
| fcvtzs v5.4s, v5.4s, #31 |
| ld1 {v6.4s}, [x4], #16 |
| fcvtzs v6.4s, v6.4s, #31 |
| ld1 {v7.4s}, [x5], #16 |
| fcvtzs v7.4s, v7.4s, #31 |
| b.eq 6f |
| subs w9, w9, #8 |
| b.eq 7f |
| sri v5.4s, v4.4s, #16 |
| ld1 {v4.4s}, [x4], #16 |
| fcvtzs v4.4s, v4.4s, #31 |
| st1 {v5.s}[0], [x8], x12 |
| sri v7.4s, v6.4s, #16 |
| st1 {v5.s}[1], [x8], x12 |
| ld1 {v6.4s}, [x4], #16 |
| fcvtzs v6.4s, v6.4s, #31 |
| st1 {v5.s}[2], [x8], x12 |
| st1 {v5.s}[3], [x8], x12 |
| st1 {v7.s}[0], [x8], x12 |
| st1 {v7.s}[1], [x8], x12 |
| ld1 {v5.4s}, [x5], #16 |
| fcvtzs v5.4s, v5.4s, #31 |
| st1 {v7.s}[2], [x8], x12 |
| st1 {v7.s}[3], [x8], x12 |
| ld1 {v7.4s}, [x5], #16 |
| fcvtzs v7.4s, v7.4s, #31 |
| 6: |
| subs w9, w9, #16 |
| ld1 {v0.4s}, [x4], #16 |
| sri v5.4s, v4.4s, #16 |
| fcvtzs v0.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x5], #16 |
| sri v7.4s, v6.4s, #16 |
| st1 {v5.s}[0], [x8], x12 |
| st1 {v5.s}[1], [x8], x12 |
| fcvtzs v1.4s, v1.4s, #31 |
| st1 {v5.s}[2], [x8], x12 |
| st1 {v5.s}[3], [x8], x12 |
| ld1 {v2.4s}, [x4], #16 |
| st1 {v7.s}[0], [x8], x12 |
| fcvtzs v2.4s, v2.4s, #31 |
| st1 {v7.s}[1], [x8], x12 |
| ld1 {v3.4s}, [x5], #16 |
| st1 {v7.s}[2], [x8], x12 |
| fcvtzs v3.4s, v3.4s, #31 |
| st1 {v7.s}[3], [x8], x12 |
| sri v1.4s, v0.4s, #16 |
| sri v3.4s, v2.4s, #16 |
| b.eq 6f |
| ld1 {v4.4s}, [x4], #16 |
| st1 {v1.s}[0], [x8], x12 |
| fcvtzs v4.4s, v4.4s, #31 |
| st1 {v1.s}[1], [x8], x12 |
| ld1 {v5.4s}, [x5], #16 |
| st1 {v1.s}[2], [x8], x12 |
| fcvtzs v5.4s, v5.4s, #31 |
| st1 {v1.s}[3], [x8], x12 |
| ld1 {v6.4s}, [x4], #16 |
| st1 {v3.s}[0], [x8], x12 |
| fcvtzs v6.4s, v6.4s, #31 |
| st1 {v3.s}[1], [x8], x12 |
| ld1 {v7.4s}, [x5], #16 |
| st1 {v3.s}[2], [x8], x12 |
| fcvtzs v7.4s, v7.4s, #31 |
| st1 {v3.s}[3], [x8], x12 |
| b.gt 6b |
| 6: |
| st1 {v1.s}[0], [x8], x12 |
| st1 {v1.s}[1], [x8], x12 |
| st1 {v1.s}[2], [x8], x12 |
| st1 {v1.s}[3], [x8], x12 |
| st1 {v3.s}[0], [x8], x12 |
| st1 {v3.s}[1], [x8], x12 |
| st1 {v3.s}[2], [x8], x12 |
| st1 {v3.s}[3], [x8], x12 |
| b 8f |
| 7: |
| sri v5.4s, v4.4s, #16 |
| sri v7.4s, v6.4s, #16 |
| st1 {v5.s}[0], [x8], x12 |
| st1 {v5.s}[1], [x8], x12 |
| st1 {v5.s}[2], [x8], x12 |
| st1 {v5.s}[3], [x8], x12 |
| st1 {v7.s}[0], [x8], x12 |
| st1 {v7.s}[1], [x8], x12 |
| st1 {v7.s}[2], [x8], x12 |
| st1 {v7.s}[3], [x8], x12 |
| 8: |
| subs w3, w3, #2 |
| add x0, x0, #4 |
| b.eq end |
| |
| 4: // 1 channel |
| ldr x4, [x1] |
| tst w2, #8 |
| mov w9, w2 |
| mov x5, x0 |
| ld1 {v0.4s}, [x4], #16 |
| fcvtzs v0.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x4], #16 |
| fcvtzs v1.4s, v1.4s, #31 |
| b.ne 8f |
| 6: |
| subs w9, w9, #16 |
| ld1 {v2.4s}, [x4], #16 |
| fcvtzs v2.4s, v2.4s, #31 |
| ld1 {v3.4s}, [x4], #16 |
| fcvtzs v3.4s, v3.4s, #31 |
| st1 {v0.h}[1], [x5], x12 |
| st1 {v0.h}[3], [x5], x12 |
| st1 {v0.h}[5], [x5], x12 |
| st1 {v0.h}[7], [x5], x12 |
| st1 {v1.h}[1], [x5], x12 |
| st1 {v1.h}[3], [x5], x12 |
| st1 {v1.h}[5], [x5], x12 |
| st1 {v1.h}[7], [x5], x12 |
| b.eq 7f |
| ld1 {v0.4s}, [x4], #16 |
| fcvtzs v0.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x4], #16 |
| fcvtzs v1.4s, v1.4s, #31 |
| 7: |
| st1 {v2.h}[1], [x5], x12 |
| st1 {v2.h}[3], [x5], x12 |
| st1 {v2.h}[5], [x5], x12 |
| st1 {v2.h}[7], [x5], x12 |
| st1 {v3.h}[1], [x5], x12 |
| st1 {v3.h}[3], [x5], x12 |
| st1 {v3.h}[5], [x5], x12 |
| st1 {v3.h}[7], [x5], x12 |
| b.gt 6b |
| ret |
| 8: |
| subs w9, w9, #8 |
| st1 {v0.h}[1], [x5], x12 |
| st1 {v0.h}[3], [x5], x12 |
| st1 {v0.h}[5], [x5], x12 |
| st1 {v0.h}[7], [x5], x12 |
| st1 {v1.h}[1], [x5], x12 |
| st1 {v1.h}[3], [x5], x12 |
| st1 {v1.h}[5], [x5], x12 |
| st1 {v1.h}[7], [x5], x12 |
| b.eq end |
| ld1 {v0.4s}, [x4], #16 |
| fcvtzs v0.4s, v0.4s, #31 |
| ld1 {v1.4s}, [x4], #16 |
| fcvtzs v1.4s, v1.4s, #31 |
| b 6b |
| end: |
| ret |
| endfunc |