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1 /* Copyright (c) 2010 Xiph.Org Foundation
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2 * Copyright (c) 2013 Parrot */
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3 /*
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4 Redistribution and use in source and binary forms, with or without
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5 modification, are permitted provided that the following conditions
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6 are met:
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7
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8 - Redistributions of source code must retain the above copyright
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9 notice, this list of conditions and the following disclaimer.
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10
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11 - Redistributions in binary form must reproduce the above copyright
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12 notice, this list of conditions and the following disclaimer in the
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13 documentation and/or other materials provided with the distribution.
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14
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15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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16 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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17 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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18 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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19 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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23 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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24 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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26 */
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27
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28 #ifndef CPU_SUPPORT_H
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29 #define CPU_SUPPORT_H
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30
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31 #include "opus_types.h"
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32 #include "opus_defines.h"
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33
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34 #if defined(OPUS_HAVE_RTCD) && \
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35 (defined(OPUS_ARM_ASM) || defined(OPUS_ARM_MAY_HAVE_NEON_INTR))
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36 #include "arm/armcpu.h"
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37
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38 /* We currently support 4 ARM variants:
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39 * arch[0] -> ARMv4
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40 * arch[1] -> ARMv5E
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41 * arch[2] -> ARMv6
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42 * arch[3] -> NEON
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43 */
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44 #define OPUS_ARCHMASK 3
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45
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46 #elif (defined(OPUS_X86_MAY_HAVE_SSE) && !defined(OPUS_X86_PRESUME_SSE)) || \
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47 (defined(OPUS_X86_MAY_HAVE_SSE2) && !defined(OPUS_X86_PRESUME_SSE2)) || \
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48 (defined(OPUS_X86_MAY_HAVE_SSE4_1) && !defined(OPUS_X86_PRESUME_SSE4_1)) || \
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49 (defined(OPUS_X86_MAY_HAVE_AVX) && !defined(OPUS_X86_PRESUME_AVX))
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50
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51 #include "x86/x86cpu.h"
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52 /* We currently support 5 x86 variants:
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53 * arch[0] -> non-sse
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54 * arch[1] -> sse
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55 * arch[2] -> sse2
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56 * arch[3] -> sse4.1
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57 * arch[4] -> avx
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58 */
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59 #define OPUS_ARCHMASK 7
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60 int opus_select_arch(void);
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61
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62 #else
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63 #define OPUS_ARCHMASK 0
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64
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65 static OPUS_INLINE int opus_select_arch(void)
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66 {
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67 return 0;
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68 }
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69 #endif
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70 #endif
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