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_HAVE_RTCD) && \
47 ((defined(OPUS_X86_MAY_HAVE_SSE) && !defined(OPUS_X86_PRESUME_SSE)) || \
48 (defined(OPUS_X86_MAY_HAVE_SSE2) && !defined(OPUS_X86_PRESUME_SSE2)) || \
49 (defined(OPUS_X86_MAY_HAVE_SSE4_1) && !defined(OPUS_X86_PRESUME_SSE4_1)) || \
50 (defined(OPUS_X86_MAY_HAVE_AVX) && !defined(OPUS_X86_PRESUME_AVX)))
51
52 #include "x86/x86cpu.h"
53 /* We currently support 5 x86 variants:
54 * arch[0] -> non-sse
55 * arch[1] -> sse
56 * arch[2] -> sse2
57 * arch[3] -> sse4.1
58 * arch[4] -> avx
59 */
60 #define OPUS_ARCHMASK 7
61 int opus_select_arch(void);
62
63 #else
64 #define OPUS_ARCHMASK 0
65
opus_select_arch(void)66 static OPUS_INLINE int opus_select_arch(void)
67 {
68 return 0;
69 }
70 #endif
71 #endif
72