1 /*********************************************************************** 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved. 3 Copyright (c) 2013 Parrot 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 - Redistributions of source code must retain the above copyright notice, 8 this list of conditions and the following disclaimer. 9 - Redistributions in binary form must reproduce the above copyright 10 notice, this list of conditions and the following disclaimer in the 11 documentation and/or other materials provided with the distribution. 12 - Neither the name of Internet Society, IETF or IETF Trust, nor the 13 names of specific contributors, may be used to endorse or promote 14 products derived from this software without specific prior written 15 permission. 16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 POSSIBILITY OF SUCH DAMAGE. 27 ***********************************************************************/ 28 29 #ifndef SILK_MACROS_ARMv5E_H 30 #define SILK_MACROS_ARMv5E_H 31 32 /* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */ 33 #undef silk_SMULWB 34 static OPUS_INLINE opus_int32 silk_SMULWB_armv5e(opus_int32 a, opus_int16 b) 35 { 36 int res; 37 __asm__( 38 "#silk_SMULWB\n\t" 39 "smulwb %0, %1, %2\n\t" 40 : "=r"(res) 41 : "r"(a), "r"(b) 42 ); 43 return res; 44 } 45 #define silk_SMULWB(a, b) (silk_SMULWB_armv5e(a, b)) 46 47 /* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */ 48 #undef silk_SMLAWB 49 static OPUS_INLINE opus_int32 silk_SMLAWB_armv5e(opus_int32 a, opus_int32 b, 50 opus_int16 c) 51 { 52 int res; 53 __asm__( 54 "#silk_SMLAWB\n\t" 55 "smlawb %0, %1, %2, %3\n\t" 56 : "=r"(res) 57 : "r"(b), "r"(c), "r"(a) 58 ); 59 return res; 60 } 61 #define silk_SMLAWB(a, b, c) (silk_SMLAWB_armv5e(a, b, c)) 62 63 /* (a32 * (b32 >> 16)) >> 16 */ 64 #undef silk_SMULWT 65 static OPUS_INLINE opus_int32 silk_SMULWT_armv5e(opus_int32 a, opus_int32 b) 66 { 67 int res; 68 __asm__( 69 "#silk_SMULWT\n\t" 70 "smulwt %0, %1, %2\n\t" 71 : "=r"(res) 72 : "r"(a), "r"(b) 73 ); 74 return res; 75 } 76 #define silk_SMULWT(a, b) (silk_SMULWT_armv5e(a, b)) 77 78 /* a32 + (b32 * (c32 >> 16)) >> 16 */ 79 #undef silk_SMLAWT 80 static OPUS_INLINE opus_int32 silk_SMLAWT_armv5e(opus_int32 a, opus_int32 b, 81 opus_int32 c) 82 { 83 int res; 84 __asm__( 85 "#silk_SMLAWT\n\t" 86 "smlawt %0, %1, %2, %3\n\t" 87 : "=r"(res) 88 : "r"(b), "r"(c), "r"(a) 89 ); 90 return res; 91 } 92 #define silk_SMLAWT(a, b, c) (silk_SMLAWT_armv5e(a, b, c)) 93 94 /* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */ 95 #undef silk_SMULBB 96 static OPUS_INLINE opus_int32 silk_SMULBB_armv5e(opus_int32 a, opus_int32 b) 97 { 98 int res; 99 __asm__( 100 "#silk_SMULBB\n\t" 101 "smulbb %0, %1, %2\n\t" 102 : "=r"(res) 103 : "%r"(a), "r"(b) 104 ); 105 return res; 106 } 107 #define silk_SMULBB(a, b) (silk_SMULBB_armv5e(a, b)) 108 109 /* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */ 110 #undef silk_SMLABB 111 static OPUS_INLINE opus_int32 silk_SMLABB_armv5e(opus_int32 a, opus_int32 b, 112 opus_int32 c) 113 { 114 int res; 115 __asm__( 116 "#silk_SMLABB\n\t" 117 "smlabb %0, %1, %2, %3\n\t" 118 : "=r"(res) 119 : "%r"(b), "r"(c), "r"(a) 120 ); 121 return res; 122 } 123 #define silk_SMLABB(a, b, c) (silk_SMLABB_armv5e(a, b, c)) 124 125 /* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */ 126 #undef silk_SMULBT 127 static OPUS_INLINE opus_int32 silk_SMULBT_armv5e(opus_int32 a, opus_int32 b) 128 { 129 int res; 130 __asm__( 131 "#silk_SMULBT\n\t" 132 "smulbt %0, %1, %2\n\t" 133 : "=r"(res) 134 : "r"(a), "r"(b) 135 ); 136 return res; 137 } 138 #define silk_SMULBT(a, b) (silk_SMULBT_armv5e(a, b)) 139 140 /* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */ 141 #undef silk_SMLABT 142 static OPUS_INLINE opus_int32 silk_SMLABT_armv5e(opus_int32 a, opus_int32 b, 143 opus_int32 c) 144 { 145 int res; 146 __asm__( 147 "#silk_SMLABT\n\t" 148 "smlabt %0, %1, %2, %3\n\t" 149 : "=r"(res) 150 : "r"(b), "r"(c), "r"(a) 151 ); 152 return res; 153 } 154 #define silk_SMLABT(a, b, c) (silk_SMLABT_armv5e(a, b, c)) 155 156 /* add/subtract with output saturated */ 157 #undef silk_ADD_SAT32 158 static OPUS_INLINE opus_int32 silk_ADD_SAT32_armv5e(opus_int32 a, opus_int32 b) 159 { 160 int res; 161 __asm__( 162 "#silk_ADD_SAT32\n\t" 163 "qadd %0, %1, %2\n\t" 164 : "=r"(res) 165 : "%r"(a), "r"(b) 166 ); 167 return res; 168 } 169 #define silk_ADD_SAT32(a, b) (silk_ADD_SAT32_armv5e(a, b)) 170 171 #undef silk_SUB_SAT32 172 static OPUS_INLINE opus_int32 silk_SUB_SAT32_armv5e(opus_int32 a, opus_int32 b) 173 { 174 int res; 175 __asm__( 176 "#silk_SUB_SAT32\n\t" 177 "qsub %0, %1, %2\n\t" 178 : "=r"(res) 179 : "r"(a), "r"(b) 180 ); 181 return res; 182 } 183 #define silk_SUB_SAT32(a, b) (silk_SUB_SAT32_armv5e(a, b)) 184 185 #undef silk_CLZ16 186 static OPUS_INLINE opus_int32 silk_CLZ16_armv5(opus_int16 in16) 187 { 188 int res; 189 __asm__( 190 "#silk_CLZ16\n\t" 191 "clz %0, %1;\n" 192 : "=r"(res) 193 : "r"(in16<<16|0x8000) 194 ); 195 return res; 196 } 197 #define silk_CLZ16(in16) (silk_CLZ16_armv5(in16)) 198 199 #undef silk_CLZ32 200 static OPUS_INLINE opus_int32 silk_CLZ32_armv5(opus_int32 in32) 201 { 202 int res; 203 __asm__( 204 "#silk_CLZ32\n\t" 205 "clz %0, %1\n\t" 206 : "=r"(res) 207 : "r"(in32) 208 ); 209 return res; 210 } 211 #define silk_CLZ32(in32) (silk_CLZ32_armv5(in32)) 212 213 #endif /* SILK_MACROS_ARMv5E_H */ 214
