You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
143 lines
3.4 KiB
143 lines
3.4 KiB
/*
|
|
* Copyright 2009-2015 Samy Al Bahra.
|
|
* Copyright 2014 Paul Khuong.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef CK_GCC_CC_H
|
|
#define CK_GCC_CC_H
|
|
|
|
#include <ck_md.h>
|
|
|
|
#ifdef __SUNPRO_C
|
|
#define CK_CC_UNUSED
|
|
#define CK_CC_USED
|
|
#define CK_CC_IMM
|
|
#define CK_CC_IMM_U32
|
|
#else
|
|
#define CK_CC_UNUSED __attribute__((unused))
|
|
#define CK_CC_USED __attribute__((used))
|
|
#define CK_CC_IMM "i"
|
|
#if defined(__x86_64__) || defined(__x86__)
|
|
#define CK_CC_IMM_U32 "Z"
|
|
#define CK_CC_IMM_S32 "e"
|
|
#else
|
|
#define CK_CC_IMM_U32 CK_CC_IMM
|
|
#define CK_CC_IMM_S32 CK_CC_IMM
|
|
#endif /* __x86_64__ || __x86__ */
|
|
#endif
|
|
|
|
#ifdef __OPTIMIZE__
|
|
#define CK_CC_INLINE CK_CC_UNUSED inline
|
|
#else
|
|
#define CK_CC_INLINE CK_CC_UNUSED
|
|
#endif
|
|
|
|
#define CK_CC_FORCE_INLINE CK_CC_UNUSED __attribute__((always_inline)) inline
|
|
#define CK_CC_RESTRICT restrict
|
|
|
|
/*
|
|
* Packed attribute.
|
|
*/
|
|
#define CK_CC_PACKED __attribute__((packed))
|
|
|
|
/*
|
|
* Weak reference.
|
|
*/
|
|
#define CK_CC_WEAKREF __attribute__((weakref))
|
|
|
|
/*
|
|
* Alignment attribute.
|
|
*/
|
|
#define CK_CC_ALIGN(B) __attribute__((aligned(B)))
|
|
|
|
/*
|
|
* Cache align.
|
|
*/
|
|
#define CK_CC_CACHELINE CK_CC_ALIGN(CK_MD_CACHELINE)
|
|
|
|
/*
|
|
* These are functions which should be avoided.
|
|
*/
|
|
#ifdef __freestanding__
|
|
#pragma GCC poison malloc free
|
|
#endif
|
|
|
|
/*
|
|
* Branch execution hints.
|
|
*/
|
|
#define CK_CC_LIKELY(x) (__builtin_expect(!!(x), 1))
|
|
#define CK_CC_UNLIKELY(x) (__builtin_expect(!!(x), 0))
|
|
|
|
/*
|
|
* Some compilers are overly strict regarding aliasing semantics.
|
|
* Unfortunately, in many cases it makes more sense to pay aliasing
|
|
* cost rather than overly expensive register spillage.
|
|
*/
|
|
#define CK_CC_ALIASED __attribute__((__may_alias__))
|
|
|
|
/*
|
|
* Compile-time typeof
|
|
*/
|
|
#define CK_CC_TYPEOF(X, DEFAULT) __typeof__(X)
|
|
|
|
/*
|
|
* Portability wrappers for bitwise ops.
|
|
*/
|
|
|
|
#define CK_F_CC_FFS
|
|
#define CK_F_CC_CLZ
|
|
#define CK_F_CC_CTZ
|
|
#define CK_F_CC_POPCOUNT
|
|
|
|
CK_CC_INLINE static int
|
|
ck_cc_ffs(unsigned int x)
|
|
{
|
|
|
|
return __builtin_ffs(x);
|
|
}
|
|
|
|
CK_CC_INLINE static int
|
|
ck_cc_clz(unsigned int x)
|
|
{
|
|
|
|
return __builtin_clz(x);
|
|
}
|
|
|
|
CK_CC_INLINE static int
|
|
ck_cc_ctz(unsigned int x)
|
|
{
|
|
|
|
return __builtin_ctz(x);
|
|
}
|
|
|
|
CK_CC_INLINE static int
|
|
ck_cc_popcount(unsigned int x)
|
|
{
|
|
|
|
return __builtin_popcount(x);
|
|
}
|
|
|
|
#endif /* CK_GCC_CC_H */
|