/* * ARM NEON optimised audio functions * Copyright (c) 2008 Mans Rullgard * * 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/arm/asm.S" function ff_vector_clipf_neon, export=1 VFP vdup.32 q1, d0[1] VFP vdup.32 q0, d0[0] NOVFP vdup.32 q0, r2 NOVFP vdup.32 q1, r3 NOVFP ldr r2, [sp] vld1.f32 {q2},[r1,:128]! vmin.f32 q10, q2, q1 vld1.f32 {q3},[r1,:128]! vmin.f32 q11, q3, q1 1: vmax.f32 q8, q10, q0 vmax.f32 q9, q11, q0 subs r2, r2, #8 beq 2f vld1.f32 {q2},[r1,:128]! vmin.f32 q10, q2, q1 vld1.f32 {q3},[r1,:128]! vmin.f32 q11, q3, q1 vst1.f32 {q8},[r0,:128]! vst1.f32 {q9},[r0,:128]! b 1b 2: vst1.f32 {q8},[r0,:128]! vst1.f32 {q9},[r0,:128]! bx lr endfunc function ff_vector_clip_int32_neon, export=1 vdup.32 q0, r2 vdup.32 q1, r3 ldr r2, [sp] 1: vld1.32 {q2-q3}, [r1,:128]! vmin.s32 q2, q2, q1 vmin.s32 q3, q3, q1 vmax.s32 q2, q2, q0 vmax.s32 q3, q3, q0 vst1.32 {q2-q3}, [r0,:128]! subs r2, r2, #8 bgt 1b bx lr endfunc