1/* 2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> 3 * 4 * This file is part of Libav. 5 * 6 * Libav is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * Libav is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with Libav; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#ifndef AVCODEC_ARM_AAC_H 22#define AVCODEC_ARM_AAC_H 23 24#include "config.h" 25 26#if HAVE_NEON && HAVE_INLINE_ASM 27 28#define VMUL2 VMUL2 29static inline float *VMUL2(float *dst, const float *v, unsigned idx, 30 const float *scale) 31{ 32 unsigned v0, v1; 33 __asm__ ("ubfx %0, %6, #0, #4 \n\t" 34 "ubfx %1, %6, #4, #4 \n\t" 35 "ldr %0, [%5, %0, lsl #2] \n\t" 36 "ldr %1, [%5, %1, lsl #2] \n\t" 37 "vld1.32 {d1[]}, [%7,:32] \n\t" 38 "vmov d0, %0, %1 \n\t" 39 "vmul.f32 d0, d0, d1 \n\t" 40 "vst1.32 {d0}, [%2,:64]! \n\t" 41 : "=&r"(v0), "=&r"(v1), "+r"(dst), "=m"(dst[0]), "=m"(dst[1]) 42 : "r"(v), "r"(idx), "r"(scale) 43 : "d0", "d1"); 44 return dst; 45} 46 47#define VMUL4 VMUL4 48static inline float *VMUL4(float *dst, const float *v, unsigned idx, 49 const float *scale) 50{ 51 unsigned v0, v1, v2, v3; 52 __asm__ ("ubfx %0, %10, #0, #2 \n\t" 53 "ubfx %1, %10, #2, #2 \n\t" 54 "ldr %0, [%9, %0, lsl #2] \n\t" 55 "ubfx %2, %10, #4, #2 \n\t" 56 "ldr %1, [%9, %1, lsl #2] \n\t" 57 "ubfx %3, %10, #6, #2 \n\t" 58 "ldr %2, [%9, %2, lsl #2] \n\t" 59 "vmov d0, %0, %1 \n\t" 60 "ldr %3, [%9, %3, lsl #2] \n\t" 61 "vld1.32 {d2[],d3[]},[%11,:32] \n\t" 62 "vmov d1, %2, %3 \n\t" 63 "vmul.f32 q0, q0, q1 \n\t" 64 "vst1.32 {q0}, [%4,:128]! \n\t" 65 : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), 66 "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) 67 : "r"(v), "r"(idx), "r"(scale) 68 : "d0", "d1", "d2", "d3"); 69 return dst; 70} 71 72#define VMUL2S VMUL2S 73static inline float *VMUL2S(float *dst, const float *v, unsigned idx, 74 unsigned sign, const float *scale) 75{ 76 unsigned v0, v1, v2, v3; 77 __asm__ ("ubfx %0, %8, #0, #4 \n\t" 78 "ubfx %1, %8, #4, #4 \n\t" 79 "ldr %0, [%7, %0, lsl #2] \n\t" 80 "lsl %2, %10, #30 \n\t" 81 "ldr %1, [%7, %1, lsl #2] \n\t" 82 "lsl %3, %10, #31 \n\t" 83 "vmov d0, %0, %1 \n\t" 84 "bic %2, %2, #1<<30 \n\t" 85 "vld1.32 {d1[]}, [%9,:32] \n\t" 86 "vmov d2, %2, %3 \n\t" 87 "veor d0, d0, d2 \n\t" 88 "vmul.f32 d0, d0, d1 \n\t" 89 "vst1.32 {d0}, [%4,:64]! \n\t" 90 : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), 91 "=m"(dst[0]), "=m"(dst[1]) 92 : "r"(v), "r"(idx), "r"(scale), "r"(sign) 93 : "d0", "d1", "d2"); 94 return dst; 95} 96 97#define VMUL4S VMUL4S 98static inline float *VMUL4S(float *dst, const float *v, unsigned idx, 99 unsigned sign, const float *scale) 100{ 101 unsigned v0, v1, v2, v3, nz; 102 __asm__ ("vld1.32 {d2[],d3[]},[%13,:32] \n\t" 103 "ubfx %0, %12, #0, #2 \n\t" 104 "ubfx %1, %12, #2, #2 \n\t" 105 "ldr %0, [%11,%0, lsl #2] \n\t" 106 "ubfx %2, %12, #4, #2 \n\t" 107 "ldr %1, [%11,%1, lsl #2] \n\t" 108 "ubfx %3, %12, #6, #2 \n\t" 109 "ldr %2, [%11,%2, lsl #2] \n\t" 110 "vmov d0, %0, %1 \n\t" 111 "ldr %3, [%11,%3, lsl #2] \n\t" 112 "lsr %6, %12, #12 \n\t" 113 "rbit %6, %6 \n\t" 114 "vmov d1, %2, %3 \n\t" 115 "lsls %6, %6, #1 \n\t" 116 "and %0, %5, #1<<31 \n\t" 117 "it cs \n\t" 118 "lslcs %5, %5, #1 \n\t" 119 "lsls %6, %6, #1 \n\t" 120 "and %1, %5, #1<<31 \n\t" 121 "it cs \n\t" 122 "lslcs %5, %5, #1 \n\t" 123 "lsls %6, %6, #1 \n\t" 124 "and %2, %5, #1<<31 \n\t" 125 "it cs \n\t" 126 "lslcs %5, %5, #1 \n\t" 127 "vmov d4, %0, %1 \n\t" 128 "and %3, %5, #1<<31 \n\t" 129 "vmov d5, %2, %3 \n\t" 130 "veor q0, q0, q2 \n\t" 131 "vmul.f32 q0, q0, q1 \n\t" 132 "vst1.32 {q0}, [%4,:128]! \n\t" 133 : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), 134 "+r"(sign), "=r"(nz), 135 "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) 136 : "r"(v), "r"(idx), "r"(scale) 137 : "cc", "d0", "d1", "d2", "d3", "d4", "d5"); 138 return dst; 139} 140 141#endif /* HAVE_NEON && HAVE_INLINE_ASM */ 142 143#endif /* AVCODEC_ARM_AAC_H */ 144