cannam@154: /* Copyright (c) 2010 Xiph.Org Foundation
cannam@154:  * Copyright (c) 2013 Parrot */
cannam@154: /*
cannam@154:    Redistribution and use in source and binary forms, with or without
cannam@154:    modification, are permitted provided that the following conditions
cannam@154:    are met:
cannam@154: 
cannam@154:    - Redistributions of source code must retain the above copyright
cannam@154:    notice, this list of conditions and the following disclaimer.
cannam@154: 
cannam@154:    - Redistributions in binary form must reproduce the above copyright
cannam@154:    notice, this list of conditions and the following disclaimer in the
cannam@154:    documentation and/or other materials provided with the distribution.
cannam@154: 
cannam@154:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
cannam@154:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
cannam@154:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
cannam@154:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
cannam@154:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
cannam@154:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
cannam@154:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
cannam@154:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
cannam@154:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
cannam@154:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
cannam@154:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cannam@154: */
cannam@154: 
cannam@154: #ifndef CPU_SUPPORT_H
cannam@154: #define CPU_SUPPORT_H
cannam@154: 
cannam@154: #include "opus_types.h"
cannam@154: #include "opus_defines.h"
cannam@154: 
cannam@154: #if defined(OPUS_HAVE_RTCD) && \
cannam@154:   (defined(OPUS_ARM_ASM) || defined(OPUS_ARM_MAY_HAVE_NEON_INTR))
cannam@154: #include "arm/armcpu.h"
cannam@154: 
cannam@154: /* We currently support 4 ARM variants:
cannam@154:  * arch[0] -> ARMv4
cannam@154:  * arch[1] -> ARMv5E
cannam@154:  * arch[2] -> ARMv6
cannam@154:  * arch[3] -> NEON
cannam@154:  */
cannam@154: #define OPUS_ARCHMASK 3
cannam@154: 
cannam@154: #elif (defined(OPUS_X86_MAY_HAVE_SSE) && !defined(OPUS_X86_PRESUME_SSE)) || \
cannam@154:   (defined(OPUS_X86_MAY_HAVE_SSE2) && !defined(OPUS_X86_PRESUME_SSE2)) || \
cannam@154:   (defined(OPUS_X86_MAY_HAVE_SSE4_1) && !defined(OPUS_X86_PRESUME_SSE4_1)) || \
cannam@154:   (defined(OPUS_X86_MAY_HAVE_AVX) && !defined(OPUS_X86_PRESUME_AVX))
cannam@154: 
cannam@154: #include "x86/x86cpu.h"
cannam@154: /* We currently support 5 x86 variants:
cannam@154:  * arch[0] -> non-sse
cannam@154:  * arch[1] -> sse
cannam@154:  * arch[2] -> sse2
cannam@154:  * arch[3] -> sse4.1
cannam@154:  * arch[4] -> avx
cannam@154:  */
cannam@154: #define OPUS_ARCHMASK 7
cannam@154: int opus_select_arch(void);
cannam@154: 
cannam@154: #else
cannam@154: #define OPUS_ARCHMASK 0
cannam@154: 
cannam@154: static OPUS_INLINE int opus_select_arch(void)
cannam@154: {
cannam@154:   return 0;
cannam@154: }
cannam@154: #endif
cannam@154: #endif