164 lines
4.5 KiB
C
164 lines
4.5 KiB
C
/*
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Copyright (c) 2013-2014 Anton Titov.
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Copyright (c) 2013-2014 pCloud Ltd. 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
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are met: Redistributions of source code must retain the above
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copyright notice, this list of conditions and the following
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disclaimer. Redistributions in binary form must reproduce the
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above copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution. Neither the name of pCloud Ltd nor the
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names of its contributors may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL pCloud
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Ltd BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGE.
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*/
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#ifndef _PSYNC_COMPILER_H
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#define _PSYNC_COMPILER_H
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#if defined(_MSC_VER)
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#include <mmintrin.h>
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#endif
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#if !defined(__has_attribute)
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#if defined(__GNUC__)
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#define __has_attribute(x) 1
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#else
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#define __has_attribute(x) 0
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#endif
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#else
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#if defined(__GNUC__) && !__has_attribute(malloc)
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#undef __has_attribute
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#define __has_attribute(x) 1
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#endif
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#endif
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#ifndef __has_builtin
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#if defined(__GNUC__)
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#define __has_builtin(x) 1
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#else
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#define __has_builtin(x) 0
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#endif
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#endif
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#if __has_builtin(__builtin_expect)
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#define likely(expr) __builtin_expect(!!(expr), 1)
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#define unlikely(expr) __builtin_expect(!!(expr), 0)
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#else
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#define likely(expr) (expr)
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#define unlikely(expr) (expr)
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#endif
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#if __has_builtin(__builtin_prefetch)
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#define psync_prefetch(expr) __builtin_prefetch(expr)
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#elif defined(_MSC_VER)
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#define psync_prefetch(expr) _mm_prefetch((char *)(expr), _MM_HINT_T0)
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#else
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#define psync_prefetch(expr) ((void)0)
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#endif
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#if defined(_MSC_VER)
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#define PSYNC_THREAD __declspec(thread)
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#define PSYNC_NOINLINE __declspec(noinline)
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#else
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#if __has_attribute(noinline)
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#define PSYNC_NOINLINE __attribute__((noinline))
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#else
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#define PSYNC_NOINLINE
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#endif
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#define PSYNC_THREAD __thread
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#endif
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#if __has_attribute(malloc)
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#define PSYNC_MALLOC __attribute__((malloc))
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#else
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#define PSYNC_MALLOC
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#endif
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#if __has_attribute(sentinel)
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#define PSYNC_SENTINEL __attribute__((sentinel))
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#else
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#define PSYNC_SENTINEL
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#endif
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#if __has_attribute(pure)
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#define PSYNC_PURE __attribute__((pure))
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#else
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#define PSYNC_PURE
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#endif
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#if __has_attribute(const)
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#define PSYNC_CONST __attribute__((const))
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#else
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#define PSYNC_CONST
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#endif
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#if __has_attribute(cold)
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#define PSYNC_COLD __attribute__((cold))
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#else
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#define PSYNC_COLD
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#endif
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#if __has_attribute(format)
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#define PSYNC_FORMAT(a, b, c) __attribute__((format(a, b, c)))
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#else
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#define PSYNC_FORMAT(a, b, c)
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#endif
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#if __has_attribute(nonnull)
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#define PSYNC_NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
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#else
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#define PSYNC_NONNULL(...)
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#endif
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#if __has_attribute(packed)
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#define PSYNC_PACKED_STRUCT struct __attribute__((packed))
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#elif defined(_MSC_VER)
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#define PSYNC_PACKED_STRUCT __declspec(align(1)) struct
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#else
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#define PSYNC_PACKED_STRUCT struct
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#endif
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#if _MSC_VER >= 1500 && _MSC_VER < 1600
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#define inline __inline
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#define restrict __restrict
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#elif __GNUC__ >= 3
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#define inline __inline
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#define restrict __restrict
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#elif __STDC_VERSION__ != 199901L
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#define inline
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#define restrict
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#endif
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#if defined(__clang__) || defined(_MSC_VER)
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#define psync_alignof __alignof
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#elif defined(__GNUC__)
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#define psync_alignof __alignof__
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#else
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#define psync_alignof(t) \
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offsetof( \
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struct { \
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char a; \
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t b; \
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}, \
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b)
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#endif
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#endif
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