1 /* Copyright (c) 2010 Xiph.Org Foundation 2 * Copyright (c) 2013 Parrot */ 3 /* 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 8 - Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 11 - Redistributions in binary form must reproduce the above copyright 12 notice, this list of conditions and the following disclaimer in the 13 documentation and/or other materials provided with the distribution. 14 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 19 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 23 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 24 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef CPU_SUPPORT_H 29 #define CPU_SUPPORT_H 30 31 #include "opus_types.h" 32 #include "opus_defines.h" 33 34 #if defined(OPUS_HAVE_RTCD) && \ 35 (defined(OPUS_ARM_ASM) || defined(OPUS_ARM_MAY_HAVE_NEON_INTR)) 36 #include "arm/armcpu.h" 37 38 /* We currently support 4 ARM variants: 39 * arch[0] -> ARMv4 40 * arch[1] -> ARMv5E 41 * arch[2] -> ARMv6 42 * arch[3] -> NEON 43 */ 44 #define OPUS_ARCHMASK 3 45 46 #elif (defined(OPUS_X86_MAY_HAVE_SSE) && !defined(OPUS_X86_PRESUME_SSE)) || \ 47 (defined(OPUS_X86_MAY_HAVE_SSE2) && !defined(OPUS_X86_PRESUME_SSE2)) || \ 48 (defined(OPUS_X86_MAY_HAVE_SSE4_1) && !defined(OPUS_X86_PRESUME_SSE4_1)) || \ 49 (defined(OPUS_X86_MAY_HAVE_AVX) && !defined(OPUS_X86_PRESUME_AVX)) 50 51 #include "x86/x86cpu.h" 52 /* We currently support 5 x86 variants: 53 * arch[0] -> non-sse 54 * arch[1] -> sse 55 * arch[2] -> sse2 56 * arch[3] -> sse4.1 57 * arch[4] -> avx 58 */ 59 #define OPUS_ARCHMASK 7 60 int opus_select_arch(void); 61 62 #else 63 #define OPUS_ARCHMASK 0 64 65 static OPUS_INLINE int opus_select_arch(void) 66 { 67 return 0; 68 } 69 #endif 70 #endif 71
