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112 lines
3.3 KiB
112 lines
3.3 KiB
/*
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This file is part of FFTS -- The Fastest Fourier Transform in the South
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Copyright (c) 2012, Anthony M. Blake <amb@anthonix.com>
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Copyright (c) 2012, The University of Waikato
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the organization nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL ANTHONY M. BLAKE BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef FFTS_ATTRIBUTES_H
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#define FFTS_ATTRIBUTES_H
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#if defined (_MSC_VER) && (_MSC_VER >= 1020)
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#pragma once
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#endif
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/* Macro definitions for various function/variable attributes */
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#ifdef __GNUC__
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#define GCC_VERSION_AT_LEAST(x,y) \
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(__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y)
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#else
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#define GCC_VERSION_AT_LEAST(x,y) 0
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#endif
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#ifdef __GNUC__
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#define FFTS_ALIGN(x) __attribute__((aligned(x)))
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#elif defined(_MSC_VER)
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#define FFTS_ALIGN(x) __declspec(align(x))
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#else
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#define FFTS_ALIGN(x)
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#endif
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#if GCC_VERSION_AT_LEAST(3,1)
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#define FFTS_ALWAYS_INLINE __attribute__((always_inline)) inline
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#elif defined(_MSC_VER)
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#define FFTS_ALWAYS_INLINE __forceinline
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#else
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#define FFTS_ALWAYS_INLINE inline
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#endif
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#if defined(_MSC_VER)
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#define FFTS_INLINE __inline
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#else
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#define FFTS_INLINE inline
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#endif
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#if defined(__GNUC__)
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#define FFTS_RESTRICT __restrict
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#elif defined(_MSC_VER)
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#define FFTS_RESTRICT __restrict
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#else
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#define FFTS_RESTRICT
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#endif
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#if GCC_VERSION_AT_LEAST(4,5)
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#define FFTS_ASSUME(cond) do { if (!(cond)) __builtin_unreachable(); } while (0)
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#elif defined(_MSC_VER)
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#define FFTS_ASSUME(cond) __assume(cond)
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#else
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#define FFTS_ASSUME(cond)
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#endif
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#if GCC_VERSION_AT_LEAST(4,7)
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#define FFTS_ASSUME_ALIGNED_16(x) __builtin_assume_aligned(x, 16)
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#else
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#define FFTS_ASSUME_ALIGNED_16(x) x
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#endif
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#if GCC_VERSION_AT_LEAST(4,7)
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#define FFTS_ASSUME_ALIGNED_32(x) __builtin_assume_aligned(x, 32)
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#else
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#define FFTS_ASSUME_ALIGNED_32(x) x
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#endif
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#if defined(__GNUC__)
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#define FFTS_LIKELY(cond) __builtin_expect(!!(cond), 1)
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#else
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#define FFTS_LIKELY(cond) cond
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#endif
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#if defined(__GNUC__)
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#define FFTS_UNLIKELY(cond) __builtin_expect(!!(cond), 0)
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#else
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#define FFTS_UNLIKELY(cond) cond
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#endif
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#endif /* FFTS_ATTRIBUTES_H */
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