1cabdff1aSopenharmony_ci/* 2cabdff1aSopenharmony_ci * ARM NEON optimised DSP functions 3cabdff1aSopenharmony_ci * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> 4cabdff1aSopenharmony_ci * 5cabdff1aSopenharmony_ci * This file is part of FFmpeg. 6cabdff1aSopenharmony_ci * 7cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or 8cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public 9cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either 10cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version. 11cabdff1aSopenharmony_ci * 12cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful, 13cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of 14cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15cabdff1aSopenharmony_ci * Lesser General Public License for more details. 16cabdff1aSopenharmony_ci * 17cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public 18cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software 19cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20cabdff1aSopenharmony_ci */ 21cabdff1aSopenharmony_ci 22cabdff1aSopenharmony_ci#include "libavutil/arm/asm.S" 23cabdff1aSopenharmony_ci 24cabdff1aSopenharmony_cifunction ff_vorbis_inverse_coupling_neon, export=1 25cabdff1aSopenharmony_ci vmov.i32 q10, #1<<31 26cabdff1aSopenharmony_ci subs r2, r2, #4 27cabdff1aSopenharmony_ci mov r3, r0 28cabdff1aSopenharmony_ci mov r12, r1 29cabdff1aSopenharmony_ci beq 3f 30cabdff1aSopenharmony_ci 31cabdff1aSopenharmony_ci vld1.32 {d24-d25},[r1,:128]! 32cabdff1aSopenharmony_ci vld1.32 {d22-d23},[r0,:128]! 33cabdff1aSopenharmony_ci vcle.s32 q8, q12, #0 34cabdff1aSopenharmony_ci vand q9, q11, q10 35cabdff1aSopenharmony_ci veor q12, q12, q9 36cabdff1aSopenharmony_ci vand q2, q12, q8 37cabdff1aSopenharmony_ci vbic q3, q12, q8 38cabdff1aSopenharmony_ci vadd.f32 q12, q11, q2 39cabdff1aSopenharmony_ci vsub.f32 q11, q11, q3 40cabdff1aSopenharmony_ci1: vld1.32 {d2-d3}, [r1,:128]! 41cabdff1aSopenharmony_ci vld1.32 {d0-d1}, [r0,:128]! 42cabdff1aSopenharmony_ci vcle.s32 q8, q1, #0 43cabdff1aSopenharmony_ci vand q9, q0, q10 44cabdff1aSopenharmony_ci veor q1, q1, q9 45cabdff1aSopenharmony_ci vst1.32 {d24-d25},[r3, :128]! 46cabdff1aSopenharmony_ci vst1.32 {d22-d23},[r12,:128]! 47cabdff1aSopenharmony_ci vand q2, q1, q8 48cabdff1aSopenharmony_ci vbic q3, q1, q8 49cabdff1aSopenharmony_ci vadd.f32 q1, q0, q2 50cabdff1aSopenharmony_ci vsub.f32 q0, q0, q3 51cabdff1aSopenharmony_ci subs r2, r2, #8 52cabdff1aSopenharmony_ci ble 2f 53cabdff1aSopenharmony_ci vld1.32 {d24-d25},[r1,:128]! 54cabdff1aSopenharmony_ci vld1.32 {d22-d23},[r0,:128]! 55cabdff1aSopenharmony_ci vcle.s32 q8, q12, #0 56cabdff1aSopenharmony_ci vand q9, q11, q10 57cabdff1aSopenharmony_ci veor q12, q12, q9 58cabdff1aSopenharmony_ci vst1.32 {d2-d3}, [r3, :128]! 59cabdff1aSopenharmony_ci vst1.32 {d0-d1}, [r12,:128]! 60cabdff1aSopenharmony_ci vand q2, q12, q8 61cabdff1aSopenharmony_ci vbic q3, q12, q8 62cabdff1aSopenharmony_ci vadd.f32 q12, q11, q2 63cabdff1aSopenharmony_ci vsub.f32 q11, q11, q3 64cabdff1aSopenharmony_ci b 1b 65cabdff1aSopenharmony_ci 66cabdff1aSopenharmony_ci2: vst1.32 {d2-d3}, [r3, :128]! 67cabdff1aSopenharmony_ci vst1.32 {d0-d1}, [r12,:128]! 68cabdff1aSopenharmony_ci it lt 69cabdff1aSopenharmony_ci bxlt lr 70cabdff1aSopenharmony_ci 71cabdff1aSopenharmony_ci3: vld1.32 {d2-d3}, [r1,:128] 72cabdff1aSopenharmony_ci vld1.32 {d0-d1}, [r0,:128] 73cabdff1aSopenharmony_ci vcle.s32 q8, q1, #0 74cabdff1aSopenharmony_ci vand q9, q0, q10 75cabdff1aSopenharmony_ci veor q1, q1, q9 76cabdff1aSopenharmony_ci vand q2, q1, q8 77cabdff1aSopenharmony_ci vbic q3, q1, q8 78cabdff1aSopenharmony_ci vadd.f32 q1, q0, q2 79cabdff1aSopenharmony_ci vsub.f32 q0, q0, q3 80cabdff1aSopenharmony_ci vst1.32 {d2-d3}, [r0,:128]! 81cabdff1aSopenharmony_ci vst1.32 {d0-d1}, [r1,:128]! 82cabdff1aSopenharmony_ci bx lr 83cabdff1aSopenharmony_ciendfunc 84