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ck/include/ck_pr.h

1062 lines
26 KiB

/*
* Copyright 2009-2011 Samy Al Bahra.
* Copyright 2011 David Joseph.
* 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_PR_H
#define _CK_PR_H
#include <ck_cc.h>
#include <ck_limits.h>
#include <ck_stdint.h>
#include <stdbool.h>
#if defined(__x86_64__)
#include "gcc/x86_64/ck_pr.h"
#elif defined(__x86__)
#include "gcc/x86/ck_pr.h"
#elif defined(__sparcv9__)
#include "gcc/sparcv9/ck_pr.h"
#elif defined(__ppc64__)
#include "gcc/ppc64/ck_pr.h"
#elif defined(__GNUC__)
#include "gcc/ck_pr.h"
#else
#error Your platform is unsupported
#endif
#define CK_PR_BIN(K, S, M, T, P, C) \
CK_CC_INLINE static void \
ck_pr_##K##_##S(M *target, T value) \
{ \
T previous; \
C punt; \
punt = ck_pr_load_##S(target); \
previous = (T)punt; \
while (ck_pr_cas_##S##_value(target, \
(C)previous, \
(C)(previous P value), \
&previous) == false) \
ck_pr_stall(); \
\
return; \
}
#define CK_PR_BIN_S(K, S, T, P) CK_PR_BIN(K, S, T, T, P, T)
#if defined(CK_F_PR_LOAD_CHAR) && defined(CK_F_PR_CAS_CHAR_VALUE)
#ifndef CK_F_PR_ADD_CHAR
#define CK_F_PR_ADD_CHAR
CK_PR_BIN_S(add, char, char, +)
#endif /* CK_F_PR_ADD_CHAR */
#ifndef CK_F_PR_SUB_CHAR
#define CK_F_PR_SUB_CHAR
CK_PR_BIN_S(sub, char, char, -)
#endif /* CK_F_PR_SUB_CHAR */
#ifndef CK_F_PR_AND_CHAR
#define CK_F_PR_AND_CHAR
CK_PR_BIN_S(and, char, char, &)
#endif /* CK_F_PR_AND_CHAR */
#ifndef CK_F_PR_XOR_CHAR
#define CK_F_PR_XOR_CHAR
CK_PR_BIN_S(xor, char, char, ^)
#endif /* CK_F_PR_XOR_CHAR */
#ifndef CK_F_PR_OR_CHAR
#define CK_F_PR_OR_CHAR
CK_PR_BIN_S(or, char, char, |)
#endif /* CK_F_PR_OR_CHAR */
#endif /* CK_F_PR_LOAD_CHAR && CK_F_PR_CAS_CHAR_VALUE */
#if defined(CK_F_PR_LOAD_INT) && defined(CK_F_PR_CAS_INT_VALUE)
#ifndef CK_F_PR_ADD_INT
#define CK_F_PR_ADD_INT
CK_PR_BIN_S(add, int, int, +)
#endif /* CK_F_PR_ADD_INT */
#ifndef CK_F_PR_SUB_INT
#define CK_F_PR_SUB_INT
CK_PR_BIN_S(sub, int, int, -)
#endif /* CK_F_PR_SUB_INT */
#ifndef CK_F_PR_AND_INT
#define CK_F_PR_AND_INT
CK_PR_BIN_S(and, int, int, &)
#endif /* CK_F_PR_AND_INT */
#ifndef CK_F_PR_XOR_INT
#define CK_F_PR_XOR_INT
CK_PR_BIN_S(xor, int, int, ^)
#endif /* CK_F_PR_XOR_INT */
#ifndef CK_F_PR_OR_INT
#define CK_F_PR_OR_INT
CK_PR_BIN_S(or, int, int, |)
#endif /* CK_F_PR_OR_INT */
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE)
#ifndef CK_F_PR_ADD_DOUBLE
#define CK_F_PR_ADD_DOUBLE
CK_PR_BIN_S(add, double, double, +)
#endif /* CK_F_PR_ADD_DOUBLE */
#ifndef CK_F_PR_SUB_DOUBLE
#define CK_F_PR_SUB_DOUBLE
CK_PR_BIN_S(sub, double, double, -)
#endif /* CK_F_PR_SUB_DOUBLE */
#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
#ifndef CK_F_PR_ADD_UINT
#define CK_F_PR_ADD_UINT
CK_PR_BIN_S(add, uint, unsigned int, +)
#endif /* CK_F_PR_ADD_UINT */
#ifndef CK_F_PR_SUB_UINT
#define CK_F_PR_SUB_UINT
CK_PR_BIN_S(sub, uint, unsigned int, -)
#endif /* CK_F_PR_SUB_UINT */
#ifndef CK_F_PR_AND_UINT
#define CK_F_PR_AND_UINT
CK_PR_BIN_S(and, uint, unsigned int, &)
#endif /* CK_F_PR_AND_UINT */
#ifndef CK_F_PR_XOR_UINT
#define CK_F_PR_XOR_UINT
CK_PR_BIN_S(xor, uint, unsigned int, ^)
#endif /* CK_F_PR_XOR_UINT */
#ifndef CK_F_PR_OR_UINT
#define CK_F_PR_OR_UINT
CK_PR_BIN_S(or, uint, unsigned int, |)
#endif /* CK_F_PR_OR_UINT */
#endif /* CK_F_PR_LOAD_UINT && CK_F_PR_CAS_UINT_VALUE */
#if defined(CK_F_PR_LOAD_PTR) && defined(CK_F_PR_CAS_PTR_VALUE)
#ifndef CK_F_PR_ADD_PTR
#define CK_F_PR_ADD_PTR
CK_PR_BIN(add, ptr, void, uintptr_t, +, void *)
#endif /* CK_F_PR_ADD_PTR */
#ifndef CK_F_PR_SUB_PTR
#define CK_F_PR_SUB_PTR
CK_PR_BIN(sub, ptr, void, uintptr_t, -, void *)
#endif /* CK_F_PR_SUB_PTR */
#ifndef CK_F_PR_AND_PTR
#define CK_F_PR_AND_PTR
CK_PR_BIN(and, ptr, void, uintptr_t, &, void *)
#endif /* CK_F_PR_AND_PTR */
#ifndef CK_F_PR_XOR_PTR
#define CK_F_PR_XOR_PTR
CK_PR_BIN(xor, ptr, void, uintptr_t, ^, void *)
#endif /* CK_F_PR_XOR_PTR */
#ifndef CK_F_PR_OR_PTR
#define CK_F_PR_OR_PTR
CK_PR_BIN(or, ptr, void, uintptr_t, |, void *)
#endif /* CK_F_PR_OR_PTR */
#endif /* CK_F_PR_LOAD_PTR && CK_F_PR_CAS_PTR_VALUE */
#if defined(CK_F_PR_LOAD_64) && defined(CK_F_PR_CAS_64_VALUE)
#ifndef CK_F_PR_ADD_64
#define CK_F_PR_ADD_64
CK_PR_BIN_S(add, 64, uint64_t, +)
#endif /* CK_F_PR_ADD_64 */
#ifndef CK_F_PR_SUB_64
#define CK_F_PR_SUB_64
CK_PR_BIN_S(sub, 64, uint64_t, -)
#endif /* CK_F_PR_SUB_64 */
#ifndef CK_F_PR_AND_64
#define CK_F_PR_AND_64
CK_PR_BIN_S(and, 64, uint64_t, &)
#endif /* CK_F_PR_AND_64 */
#ifndef CK_F_PR_XOR_64
#define CK_F_PR_XOR_64
CK_PR_BIN_S(xor, 64, uint64_t, ^)
#endif /* CK_F_PR_XOR_64 */
#ifndef CK_F_PR_OR_64
#define CK_F_PR_OR_64
CK_PR_BIN_S(or, 64, uint64_t, |)
#endif /* CK_F_PR_OR_64 */
#endif /* CK_F_PR_LOAD_64 && CK_F_PR_CAS_64_VALUE */
#if defined(CK_F_PR_LOAD_32) && defined(CK_F_PR_CAS_32_VALUE)
#ifndef CK_F_PR_ADD_32
#define CK_F_PR_ADD_32
CK_PR_BIN_S(add, 32, uint32_t, +)
#endif /* CK_F_PR_ADD_32 */
#ifndef CK_F_PR_SUB_32
#define CK_F_PR_SUB_32
CK_PR_BIN_S(sub, 32, uint32_t, -)
#endif /* CK_F_PR_SUB_32 */
#ifndef CK_F_PR_AND_32
#define CK_F_PR_AND_32
CK_PR_BIN_S(and, 32, uint32_t, &)
#endif /* CK_F_PR_AND_32 */
#ifndef CK_F_PR_XOR_32
#define CK_F_PR_XOR_32
CK_PR_BIN_S(xor, 32, uint32_t, ^)
#endif /* CK_F_PR_XOR_32 */
#ifndef CK_F_PR_OR_32
#define CK_F_PR_OR_32
CK_PR_BIN_S(or, 32, uint32_t, |)
#endif /* CK_F_PR_OR_32 */
#endif /* CK_F_PR_LOAD_32 && CK_F_PR_CAS_32_VALUE */
#if defined(CK_F_PR_LOAD_16) && defined(CK_F_PR_CAS_16_VALUE)
#ifndef CK_F_PR_ADD_16
#define CK_F_PR_ADD_16
CK_PR_BIN_S(add, 16, uint16_t, +)
#endif /* CK_F_PR_ADD_16 */
#ifndef CK_F_PR_SUB_16
#define CK_F_PR_SUB_16
CK_PR_BIN_S(sub, 16, uint16_t, -)
#endif /* CK_F_PR_SUB_16 */
#ifndef CK_F_PR_AND_16
#define CK_F_PR_AND_16
CK_PR_BIN_S(and, 16, uint16_t, &)
#endif /* CK_F_PR_AND_16 */
#ifndef CK_F_PR_XOR_16
#define CK_F_PR_XOR_16
CK_PR_BIN_S(xor, 16, uint16_t, ^)
#endif /* CK_F_PR_XOR_16 */
#ifndef CK_F_PR_OR_16
#define CK_F_PR_OR_16
CK_PR_BIN_S(or, 16, uint16_t, |)
#endif /* CK_F_PR_OR_16 */
#endif /* CK_F_PR_LOAD_16 && CK_F_PR_CAS_16_VALUE */
#if defined(CK_F_PR_LOAD_8) && defined(CK_F_PR_CAS_8_VALUE)
#ifndef CK_F_PR_ADD_8
#define CK_F_PR_ADD_8
CK_PR_BIN_S(add, 8, uint8_t, +)
#endif /* CK_F_PR_ADD_8 */
#ifndef CK_F_PR_SUB_8
#define CK_F_PR_SUB_8
CK_PR_BIN_S(sub, 8, uint8_t, -)
#endif /* CK_F_PR_SUB_8 */
#ifndef CK_F_PR_AND_8
#define CK_F_PR_AND_8
CK_PR_BIN_S(and, 8, uint8_t, &)
#endif /* CK_F_PR_AND_8 */
#ifndef CK_F_PR_XOR_8
#define CK_F_PR_XOR_8
CK_PR_BIN_S(xor, 8, uint8_t, ^)
#endif /* CK_F_PR_XOR_8 */
#ifndef CK_F_PR_OR_8
#define CK_F_PR_OR_8
CK_PR_BIN_S(or, 8, uint8_t, |)
#endif /* CK_F_PR_OR_8 */
#endif /* CK_F_PR_LOAD_8 && CK_F_PR_CAS_8_VALUE */
#undef CK_PR_BIN_S
#undef CK_PR_BIN
#define CK_PR_BTX(K, S, M, T, P, C, R) \
CK_CC_INLINE static bool \
ck_pr_##K##_##S(M *target, unsigned int offset) \
{ \
T previous; \
C punt; \
punt = ck_pr_load_##S(target); \
previous = (T)punt; \
while (ck_pr_cas_##S##_value(target, (C)previous, \
(C)(previous P (R ((T)1 << offset))), &previous) == false) \
ck_pr_stall(); \
return ((previous >> offset) & 1); \
}
#define CK_PR_BTX_S(K, S, T, P, R) CK_PR_BTX(K, S, T, T, P, T, R)
#if defined(CK_F_PR_LOAD_INT) && defined(CK_F_PR_CAS_INT_VALUE)
#ifndef CK_F_PR_BTC_INT
#define CK_F_PR_BTC_INT
CK_PR_BTX_S(btc, int, int, ^,)
#endif /* CK_F_PR_BTC_INT */
#ifndef CK_F_PR_BTR_INT
#define CK_F_PR_BTR_INT
CK_PR_BTX_S(btr, int, int, &, ~)
#endif /* CK_F_PR_BTR_INT */
#ifndef CK_F_PR_BTS_INT
#define CK_F_PR_BTS_INT
CK_PR_BTX_S(bts, int, int, |,)
#endif /* CK_F_PR_BTS_INT */
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
#ifndef CK_F_PR_BTC_UINT
#define CK_F_PR_BTC_UINT
CK_PR_BTX_S(btc, uint, unsigned int, ^,)
#endif /* CK_F_PR_BTC_UINT */
#ifndef CK_F_PR_BTR_UINT
#define CK_F_PR_BTR_UINT
CK_PR_BTX_S(btr, uint, unsigned int, &, ~)
#endif /* CK_F_PR_BTR_UINT */
#ifndef CK_F_PR_BTS_UINT
#define CK_F_PR_BTS_UINT
CK_PR_BTX_S(bts, uint, unsigned int, |,)
#endif /* CK_F_PR_BTS_UINT */
#endif /* CK_F_PR_LOAD_UINT && CK_F_PR_CAS_UINT_VALUE */
#if defined(CK_F_PR_LOAD_PTR) && defined(CK_F_PR_CAS_PTR_VALUE)
#ifndef CK_F_PR_BTC_PTR
#define CK_F_PR_BTC_PTR
CK_PR_BTX(btc, ptr, void, uintptr_t, ^, void *,)
#endif /* CK_F_PR_BTC_PTR */
#ifndef CK_F_PR_BTR_PTR
#define CK_F_PR_BTR_PTR
CK_PR_BTX(btr, ptr, void, uintptr_t, &, void *, ~)
#endif /* CK_F_PR_BTR_PTR */
#ifndef CK_F_PR_BTS_PTR
#define CK_F_PR_BTS_PTR
CK_PR_BTX(bts, ptr, void, uintptr_t, |, void *,)
#endif /* CK_F_PR_BTS_PTR */
#endif /* CK_F_PR_LOAD_PTR && CK_F_PR_CAS_PTR_VALUE */
#if defined(CK_F_PR_LOAD_64) && defined(CK_F_PR_CAS_64_VALUE)
#ifndef CK_F_PR_BTC_64
#define CK_F_PR_BTC_64
CK_PR_BTX_S(btc, 64, uint64_t, ^,)
#endif /* CK_F_PR_BTC_64 */
#ifndef CK_F_PR_BTR_64
#define CK_F_PR_BTR_64
CK_PR_BTX_S(btr, 64, uint64_t, &, ~)
#endif /* CK_F_PR_BTR_64 */
#ifndef CK_F_PR_BTS_64
#define CK_F_PR_BTS_64
CK_PR_BTX_S(bts, 64, uint64_t, |,)
#endif /* CK_F_PR_BTS_64 */
#endif /* CK_F_PR_LOAD_64 && CK_F_PR_CAS_64_VALUE */
#if defined(CK_F_PR_LOAD_32) && defined(CK_F_PR_CAS_32_VALUE)
#ifndef CK_F_PR_BTC_32
#define CK_F_PR_BTC_32
CK_PR_BTX_S(btc, 32, uint32_t, ^,)
#endif /* CK_F_PR_BTC_32 */
#ifndef CK_F_PR_BTR_32
#define CK_F_PR_BTR_32
CK_PR_BTX_S(btr, 32, uint32_t, &, ~)
#endif /* CK_F_PR_BTR_32 */
#ifndef CK_F_PR_BTS_32
#define CK_F_PR_BTS_32
CK_PR_BTX_S(bts, 32, uint32_t, |,)
#endif /* CK_F_PR_BTS_32 */
#endif /* CK_F_PR_LOAD_32 && CK_F_PR_CAS_32_VALUE */
#if defined(CK_F_PR_LOAD_16) && defined(CK_F_PR_CAS_16_VALUE)
#ifndef CK_F_PR_BTC_16
#define CK_F_PR_BTC_16
CK_PR_BTX_S(btc, 16, uint16_t, ^,)
#endif /* CK_F_PR_BTC_16 */
#ifndef CK_F_PR_BTR_16
#define CK_F_PR_BTR_16
CK_PR_BTX_S(btr, 16, uint16_t, &, ~)
#endif /* CK_F_PR_BTR_16 */
#ifndef CK_F_PR_BTS_16
#define CK_F_PR_BTS_16
CK_PR_BTX_S(bts, 16, uint16_t, |,)
#endif /* CK_F_PR_BTS_16 */
#endif /* CK_F_PR_LOAD_16 && CK_F_PR_CAS_16_VALUE */
#undef CK_PR_BTX_S
#undef CK_PR_BTX
#define CK_PR_UNARY(K, X, S, M, T) \
CK_CC_INLINE static void \
ck_pr_##K##_##S(M *target) \
{ \
ck_pr_##X##_##S(target, (T)1); \
return; \
}
#define CK_PR_UNARY_Z(K, S, M, T, P, C, Z) \
CK_CC_INLINE static void \
ck_pr_##K##_##S##_zero(M *target, bool *zero) \
{ \
T previous; \
C punt; \
punt = (C)ck_pr_load_##S(target); \
previous = (T)punt; \
while (ck_pr_cas_##S##_value(target, \
(C)previous, \
(C)(previous P 1), \
&previous) == false) \
ck_pr_stall(); \
*zero = previous == (T)Z; \
return; \
}
#define CK_PR_UNARY_S(K, X, S, M) CK_PR_UNARY(K, X, S, M, M)
#define CK_PR_UNARY_Z_S(K, S, M, P, Z) CK_PR_UNARY_Z(K, S, M, M, P, M, Z)
#if defined(CK_F_PR_LOAD_CHAR) && defined(CK_F_PR_CAS_CHAR_VALUE)
#ifndef CK_F_PR_INC_CHAR
#define CK_F_PR_INC_CHAR
CK_PR_UNARY_S(inc, add, char, char)
#endif /* CK_F_PR_INC_CHAR */
#ifndef CK_F_PR_INC_CHAR_ZERO
#define CK_F_PR_INC_CHAR_ZERO
CK_PR_UNARY_Z_S(inc, char, char, +, -1)
#endif /* CK_F_PR_INC_CHAR_ZERO */
#ifndef CK_F_PR_DEC_CHAR
#define CK_F_PR_DEC_CHAR
CK_PR_UNARY_S(dec, sub, char, char)
#endif /* CK_F_PR_DEC_CHAR */
#ifndef CK_F_PR_DEC_CHAR_ZERO
#define CK_F_PR_DEC_CHAR_ZERO
CK_PR_UNARY_Z_S(dec, char, char, -, 1)
#endif /* CK_F_PR_DEC_CHAR_ZERO */
#endif /* CK_F_PR_LOAD_CHAR && CK_F_PR_CAS_CHAR_VALUE */
#if defined(CK_F_PR_LOAD_INT) && defined(CK_F_PR_CAS_INT_VALUE)
#ifndef CK_F_PR_INC_INT
#define CK_F_PR_INC_INT
CK_PR_UNARY_S(inc, add, int, int)
#endif /* CK_F_PR_INC_INT */
#ifndef CK_F_PR_INC_INT_ZERO
#define CK_F_PR_INC_INT_ZERO
CK_PR_UNARY_Z_S(inc, int, int, +, -1)
#endif /* CK_F_PR_INC_INT_ZERO */
#ifndef CK_F_PR_DEC_INT
#define CK_F_PR_DEC_INT
CK_PR_UNARY_S(dec, sub, int, int)
#endif /* CK_F_PR_DEC_INT */
#ifndef CK_F_PR_DEC_INT_ZERO
#define CK_F_PR_DEC_INT_ZERO
CK_PR_UNARY_Z_S(dec, int, int, -, 1)
#endif /* CK_F_PR_DEC_INT_ZERO */
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE)
#ifndef CK_F_PR_INC_DOUBLE
#define CK_F_PR_INC_DOUBLE
CK_PR_UNARY_S(inc, add, double, double)
#endif /* CK_F_PR_INC_DOUBLE */
#ifndef CK_F_PR_DEC_DOUBLE
#define CK_F_PR_DEC_DOUBLE
CK_PR_UNARY_S(dec, sub, double, double)
#endif /* CK_F_PR_DEC_DOUBLE */
#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
#ifndef CK_F_PR_INC_UINT
#define CK_F_PR_INC_UINT
CK_PR_UNARY_S(inc, add, uint, unsigned int)
#endif /* CK_F_PR_INC_UINT */
#ifndef CK_F_PR_INC_UINT_ZERO
#define CK_F_PR_INC_UINT_ZERO
CK_PR_UNARY_Z_S(inc, uint, unsigned int, +, UINT_MAX)
#endif /* CK_F_PR_INC_UINT_ZERO */
#ifndef CK_F_PR_DEC_UINT
#define CK_F_PR_DEC_UINT
CK_PR_UNARY_S(dec, sub, uint, unsigned int)
#endif /* CK_F_PR_DEC_UINT */
#ifndef CK_F_PR_DEC_UINT_ZERO
#define CK_F_PR_DEC_UINT_ZERO
CK_PR_UNARY_Z_S(dec, uint, unsigned int, -, 1)
#endif /* CK_F_PR_DEC_UINT_ZERO */
#endif /* CK_F_PR_LOAD_UINT && CK_F_PR_CAS_UINT_VALUE */
#if defined(CK_F_PR_LOAD_PTR) && defined(CK_F_PR_CAS_PTR_VALUE)
#ifndef CK_F_PR_INC_PTR
#define CK_F_PR_INC_PTR
CK_PR_UNARY(inc, add, ptr, void, uintptr_t)
#endif /* CK_F_PR_INC_PTR */
#ifndef CK_F_PR_INC_PTR_ZERO
#define CK_F_PR_INC_PTR_ZERO
CK_PR_UNARY_Z(inc, ptr, void, uintptr_t, +, void *, UINT_MAX)
#endif /* CK_F_PR_INC_PTR_ZERO */
#ifndef CK_F_PR_DEC_PTR
#define CK_F_PR_DEC_PTR
CK_PR_UNARY(dec, sub, ptr, void, uintptr_t)
#endif /* CK_F_PR_DEC_PTR */
#ifndef CK_F_PR_DEC_PTR_ZERO
#define CK_F_PR_DEC_PTR_ZERO
CK_PR_UNARY_Z(dec, ptr, void, uintptr_t, -, void *, 1)
#endif /* CK_F_PR_DEC_PTR_ZERO */
#endif /* CK_F_PR_LOAD_PTR && CK_F_PR_CAS_PTR_VALUE */
#if defined(CK_F_PR_LOAD_64) && defined(CK_F_PR_CAS_64_VALUE)
#ifndef CK_F_PR_INC_64
#define CK_F_PR_INC_64
CK_PR_UNARY_S(inc, add, 64, uint64_t)
#endif /* CK_F_PR_INC_64 */
#ifndef CK_F_PR_INC_64_ZERO
#define CK_F_PR_INC_64_ZERO
CK_PR_UNARY_Z_S(inc, 64, uint64_t, +, UINT64_MAX)
#endif /* CK_F_PR_INC_64_ZERO */
#ifndef CK_F_PR_DEC_64
#define CK_F_PR_DEC_64
CK_PR_UNARY_S(dec, sub, 64, uint64_t)
#endif /* CK_F_PR_DEC_64 */
#ifndef CK_F_PR_DEC_64_ZERO
#define CK_F_PR_DEC_64_ZERO
CK_PR_UNARY_Z_S(dec, 64, uint64_t, -, 1)
#endif /* CK_F_PR_DEC_64_ZERO */
#endif /* CK_F_PR_LOAD_64 && CK_F_PR_CAS_64_VALUE */
#if defined(CK_F_PR_LOAD_32) && defined(CK_F_PR_CAS_32_VALUE)
#ifndef CK_F_PR_INC_32
#define CK_F_PR_INC_32
CK_PR_UNARY_S(inc, add, 32, uint32_t)
#endif /* CK_F_PR_INC_32 */
#ifndef CK_F_PR_INC_32_ZERO
#define CK_F_PR_INC_32_ZERO
CK_PR_UNARY_Z_S(inc, 32, uint32_t, +, UINT32_MAX)
#endif /* CK_F_PR_INC_32_ZERO */
#ifndef CK_F_PR_DEC_32
#define CK_F_PR_DEC_32
CK_PR_UNARY_S(dec, sub, 32, uint32_t)
#endif /* CK_F_PR_DEC_32 */
#ifndef CK_F_PR_DEC_32_ZERO
#define CK_F_PR_DEC_32_ZERO
CK_PR_UNARY_Z_S(dec, 32, uint32_t, -, 1)
#endif /* CK_F_PR_DEC_32_ZERO */
#endif /* CK_F_PR_LOAD_32 && CK_F_PR_CAS_32_VALUE */
#if defined(CK_F_PR_LOAD_16) && defined(CK_F_PR_CAS_16_VALUE)
#ifndef CK_F_PR_INC_16
#define CK_F_PR_INC_16
CK_PR_UNARY_S(inc, add, 16, uint16_t)
#endif /* CK_F_PR_INC_16 */
#ifndef CK_F_PR_INC_16_ZERO
#define CK_F_PR_INC_16_ZERO
CK_PR_UNARY_Z_S(inc, 16, uint16_t, +, UINT16_MAX)
#endif /* CK_F_PR_INC_16_ZERO */
#ifndef CK_F_PR_DEC_16
#define CK_F_PR_DEC_16
CK_PR_UNARY_S(dec, sub, 16, uint16_t)
#endif /* CK_F_PR_DEC_16 */
#ifndef CK_F_PR_DEC_16_ZERO
#define CK_F_PR_DEC_16_ZERO
CK_PR_UNARY_Z_S(dec, 16, uint16_t, -, 1)
#endif /* CK_F_PR_DEC_16_ZERO */
#endif /* CK_F_PR_LOAD_16 && CK_F_PR_CAS_16_VALUE */
#if defined(CK_F_PR_LOAD_8) && defined(CK_F_PR_CAS_8_VALUE)
#ifndef CK_F_PR_INC_8
#define CK_F_PR_INC_8
CK_PR_UNARY_S(inc, add, 8, uint8_t)
#endif /* CK_F_PR_INC_8 */
#ifndef CK_F_PR_INC_8_ZERO
#define CK_F_PR_INC_8_ZERO
CK_PR_UNARY_Z_S(inc, 8, uint8_t, +, UINT8_MAX)
#endif /* CK_F_PR_INC_8_ZERO */
#ifndef CK_F_PR_DEC_8
#define CK_F_PR_DEC_8
CK_PR_UNARY_S(dec, sub, 8, uint8_t)
#endif /* CK_F_PR_DEC_8 */
#ifndef CK_F_PR_DEC_8_ZERO
#define CK_F_PR_DEC_8_ZERO
CK_PR_UNARY_Z_S(dec, 8, uint8_t, -, 1)
#endif /* CK_F_PR_DEC_8_ZERO */
#endif /* CK_F_PR_LOAD_8 && CK_F_PR_CAS_8_VALUE */
#undef CK_PR_UNARY_Z_S
#undef CK_PR_UNARY_S
#undef CK_PR_UNARY_Z
#undef CK_PR_UNARY
#define CK_PR_N(K, S, M, T, P, C) \
CK_CC_INLINE static void \
ck_pr_##K##_##S(M *target) \
{ \
T previous; \
C punt; \
punt = (C)ck_pr_load_##S(target); \
previous = (T)punt; \
while (ck_pr_cas_##S##_value(target, \
(C)previous, \
(C)(P previous), \
&previous) == false) \
ck_pr_stall(); \
\
return; \
}
#define CK_PR_N_Z(S, M, T, C) \
CK_CC_INLINE static void \
ck_pr_neg_##S##_zero(M *target, bool *zero) \
{ \
T previous; \
C punt; \
punt = (C)ck_pr_load_##S(target); \
previous = (T)punt; \
while (ck_pr_cas_##S##_value(target, \
(C)previous, \
(C)(-previous), \
&previous) == false) \
ck_pr_stall(); \
\
*zero = previous == 0; \
return; \
}
#define CK_PR_N_S(K, S, M, P) CK_PR_N(K, S, M, M, P, M)
#define CK_PR_N_Z_S(S, M) CK_PR_N_Z(S, M, M, M)
#if defined(CK_F_PR_LOAD_CHAR) && defined(CK_F_PR_CAS_CHAR_VALUE)
#ifndef CK_F_PR_NOT_CHAR
#define CK_F_PR_NOT_CHAR
CK_PR_N_S(not, char, char, ~)
#endif /* CK_F_PR_NOT_CHAR */
#ifndef CK_F_PR_NEG_CHAR
#define CK_F_PR_NEG_CHAR
CK_PR_N_S(neg, char, char, -)
#endif /* CK_F_PR_NEG_CHAR */
#ifndef CK_F_PR_NEG_CHAR_ZERO
#define CK_F_PR_NEG_CHAR_ZERO
CK_PR_N_Z_S(char, char)
#endif /* CK_F_PR_NEG_CHAR_ZERO */
#endif /* CK_F_PR_LOAD_CHAR && CK_F_PR_CAS_CHAR_VALUE */
#if defined(CK_F_PR_LOAD_INT) && defined(CK_F_PR_CAS_INT_VALUE)
#ifndef CK_F_PR_NOT_INT
#define CK_F_PR_NOT_INT
CK_PR_N_S(not, int, int, ~)
#endif /* CK_F_PR_NOT_INT */
#ifndef CK_F_PR_NEG_INT
#define CK_F_PR_NEG_INT
CK_PR_N_S(neg, int, int, -)
#endif /* CK_F_PR_NEG_INT */
#ifndef CK_F_PR_NEG_INT_ZERO
#define CK_F_PR_NEG_INT_ZERO
CK_PR_N_Z_S(int, int)
#endif /* CK_F_PR_NEG_INT_ZERO */
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE)
#ifndef CK_F_PR_NEG_DOUBLE
#define CK_F_PR_NEG_DOUBLE
CK_PR_N_S(neg, double, double, -)
#endif /* CK_F_PR_NEG_DOUBLE */
#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
#ifndef CK_F_PR_NOT_UINT
#define CK_F_PR_NOT_UINT
CK_PR_N_S(not, uint, unsigned int, ~)
#endif /* CK_F_PR_NOT_UINT */
#ifndef CK_F_PR_NEG_UINT
#define CK_F_PR_NEG_UINT
CK_PR_N_S(neg, uint, unsigned int, -)
#endif /* CK_F_PR_NEG_UINT */
#ifndef CK_F_PR_NEG_UINT_ZERO
#define CK_F_PR_NEG_UINT_ZERO
CK_PR_N_Z_S(uint, unsigned int)
#endif /* CK_F_PR_NEG_UINT_ZERO */
#endif /* CK_F_PR_LOAD_UINT && CK_F_PR_CAS_UINT_VALUE */
#if defined(CK_F_PR_LOAD_PTR) && defined(CK_F_PR_CAS_PTR_VALUE)
#ifndef CK_F_PR_NOT_PTR
#define CK_F_PR_NOT_PTR
CK_PR_N(not, ptr, void, uintptr_t, ~, void *)
#endif /* CK_F_PR_NOT_PTR */
#ifndef CK_F_PR_NEG_PTR
#define CK_F_PR_NEG_PTR
CK_PR_N(neg, ptr, void, uintptr_t, -, void *)
#endif /* CK_F_PR_NEG_PTR */
#ifndef CK_F_PR_NEG_PTR_ZERO
#define CK_F_PR_NEG_PTR_ZERO
CK_PR_N_Z(ptr, void, uintptr_t, void *)
#endif /* CK_F_PR_NEG_PTR_ZERO */
#endif /* CK_F_PR_LOAD_PTR && CK_F_PR_CAS_PTR_VALUE */
#if defined(CK_F_PR_LOAD_64) && defined(CK_F_PR_CAS_64_VALUE)
#ifndef CK_F_PR_NOT_64
#define CK_F_PR_NOT_64
CK_PR_N_S(not, 64, uint64_t, ~)
#endif /* CK_F_PR_NOT_64 */
#ifndef CK_F_PR_NEG_64
#define CK_F_PR_NEG_64
CK_PR_N_S(neg, 64, uint64_t, -)
#endif /* CK_F_PR_NEG_64 */
#ifndef CK_F_PR_NEG_64_ZERO
#define CK_F_PR_NEG_64_ZERO
CK_PR_N_Z_S(64, uint64_t)
#endif /* CK_F_PR_NEG_64_ZERO */
#endif /* CK_F_PR_LOAD_64 && CK_F_PR_CAS_64_VALUE */
#if defined(CK_F_PR_LOAD_32) && defined(CK_F_PR_CAS_32_VALUE)
#ifndef CK_F_PR_NOT_32
#define CK_F_PR_NOT_32
CK_PR_N_S(not, 32, uint32_t, ~)
#endif /* CK_F_PR_NOT_32 */
#ifndef CK_F_PR_NEG_32
#define CK_F_PR_NEG_32
CK_PR_N_S(neg, 32, uint32_t, -)
#endif /* CK_F_PR_NEG_32 */
#ifndef CK_F_PR_NEG_32_ZERO
#define CK_F_PR_NEG_32_ZERO
CK_PR_N_Z_S(32, uint32_t)
#endif /* CK_F_PR_NEG_32_ZERO */
#endif /* CK_F_PR_LOAD_32 && CK_F_PR_CAS_32_VALUE */
#if defined(CK_F_PR_LOAD_16) && defined(CK_F_PR_CAS_16_VALUE)
#ifndef CK_F_PR_NOT_16
#define CK_F_PR_NOT_16
CK_PR_N_S(not, 16, uint16_t, ~)
#endif /* CK_F_PR_NOT_16 */
#ifndef CK_F_PR_NEG_16
#define CK_F_PR_NEG_16
CK_PR_N_S(neg, 16, uint16_t, -)
#endif /* CK_F_PR_NEG_16 */
#ifndef CK_F_PR_NEG_16_ZERO
#define CK_F_PR_NEG_16_ZERO
CK_PR_N_Z_S(16, uint16_t)
#endif /* CK_F_PR_NEG_16_ZERO */
#endif /* CK_F_PR_LOAD_16 && CK_F_PR_CAS_16_VALUE */
#if defined(CK_F_PR_LOAD_8) && defined(CK_F_PR_CAS_8_VALUE)
#ifndef CK_F_PR_NOT_8
#define CK_F_PR_NOT_8
CK_PR_N_S(not, 8, uint8_t, ~)
#endif /* CK_F_PR_NOT_8 */
#ifndef CK_F_PR_NEG_8
#define CK_F_PR_NEG_8
CK_PR_N_S(neg, 8, uint8_t, -)
#endif /* CK_F_PR_NEG_8 */
#ifndef CK_F_PR_NEG_8_ZERO
#define CK_F_PR_NEG_8_ZERO
CK_PR_N_Z_S(8, uint8_t)
#endif /* CK_F_PR_NEG_8_ZERO */
#endif /* CK_F_PR_LOAD_8 && CK_F_PR_CAS_8_VALUE */
#undef CK_PR_N_Z_S
#undef CK_PR_N_S
#undef CK_PR_N_Z
#undef CK_PR_N
#define CK_PR_FAA(S, M, T, C) \
CK_CC_INLINE static C \
ck_pr_faa_##S(M *target, T delta) \
{ \
T previous; \
C punt; \
punt = (C)ck_pr_load_##S(target); \
previous = (T)punt; \
while (ck_pr_cas_##S##_value(target, \
(C)previous, \
(C)(previous + delta), \
&previous) == false) \
ck_pr_stall(); \
\
return ((C)previous); \
}
#define CK_PR_FAS(S, M, C) \
CK_CC_INLINE static C \
ck_pr_fas_##S(M *target, C update) \
{ \
C previous; \
previous = ck_pr_load_##S(target); \
while (ck_pr_cas_##S##_value(target, \
previous, \
update, \
&previous) == false) \
ck_pr_stall(); \
\
return (previous); \
}
#define CK_PR_FAA_S(S, M) CK_PR_FAA(S, M, M, M)
#define CK_PR_FAS_S(S, M) CK_PR_FAS(S, M, M)
#if defined(CK_F_PR_LOAD_CHAR) && defined(CK_F_PR_CAS_CHAR_VALUE)
#ifndef CK_F_PR_FAA_CHAR
#define CK_F_PR_FAA_CHAR
CK_PR_FAA_S(char, char)
#endif /* CK_F_PR_FAA_CHAR */
#ifndef CK_F_PR_FAS_CHAR
#define CK_F_PR_FAS_CHAR
CK_PR_FAS_S(char, char)
#endif /* CK_F_PR_FAS_CHAR */
#endif /* CK_F_PR_LOAD_CHAR && CK_F_PR_CAS_CHAR_VALUE */
#if defined(CK_F_PR_LOAD_INT) && defined(CK_F_PR_CAS_INT_VALUE)
#ifndef CK_F_PR_FAA_INT
#define CK_F_PR_FAA_INT
CK_PR_FAA_S(int, int)
#endif /* CK_F_PR_FAA_INT */
#ifndef CK_F_PR_FAS_INT
#define CK_F_PR_FAS_INT
CK_PR_FAS_S(int, int)
#endif /* CK_F_PR_FAS_INT */
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE)
#ifndef CK_F_PR_FAA_DOUBLE
#define CK_F_PR_FAA_DOUBLE
CK_PR_FAA_S(double, double)
#endif /* CK_F_PR_FAA_DOUBLE */
#ifndef CK_F_PR_FAS_DOUBLE
#define CK_F_PR_FAS_DOUBLE
CK_PR_FAS_S(double, double)
#endif /* CK_F_PR_FAS_DOUBLE */
#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
#ifndef CK_F_PR_FAA_UINT
#define CK_F_PR_FAA_UINT
CK_PR_FAA_S(uint, unsigned int)
#endif /* CK_F_PR_FAA_UINT */
#ifndef CK_F_PR_FAS_UINT
#define CK_F_PR_FAS_UINT
CK_PR_FAS_S(uint, unsigned int)
#endif /* CK_F_PR_FAS_UINT */
#endif /* CK_F_PR_LOAD_UINT && CK_F_PR_CAS_UINT_VALUE */
#if defined(CK_F_PR_LOAD_PTR) && defined(CK_F_PR_CAS_PTR_VALUE)
#ifndef CK_F_PR_FAA_PTR
#define CK_F_PR_FAA_PTR
CK_PR_FAA(ptr, void, uintptr_t, void *)
#endif /* CK_F_PR_FAA_PTR */
#ifndef CK_F_PR_FAS_PTR
#define CK_F_PR_FAS_PTR
CK_PR_FAS(ptr, void, void *)
#endif /* CK_F_PR_FAS_PTR */
#endif /* CK_F_PR_LOAD_PTR && CK_F_PR_CAS_PTR_VALUE */
#if defined(CK_F_PR_LOAD_64) && defined(CK_F_PR_CAS_64_VALUE)
#ifndef CK_F_PR_FAA_64
#define CK_F_PR_FAA_64
CK_PR_FAA_S(64, uint64_t)
#endif /* CK_F_PR_FAA_64 */
#ifndef CK_F_PR_FAS_64
#define CK_F_PR_FAS_64
CK_PR_FAS_S(64, uint64_t)
#endif /* CK_F_PR_FAS_64 */
#endif /* CK_F_PR_LOAD_64 && CK_F_PR_CAS_64_VALUE */
#if defined(CK_F_PR_LOAD_32) && defined(CK_F_PR_CAS_32_VALUE)
#ifndef CK_F_PR_FAA_32
#define CK_F_PR_FAA_32
CK_PR_FAA_S(32, uint32_t)
#endif /* CK_F_PR_FAA_32 */
#ifndef CK_F_PR_FAS_32
#define CK_F_PR_FAS_32
CK_PR_FAS_S(32, uint32_t)
#endif /* CK_F_PR_FAS_32 */
#endif /* CK_F_PR_LOAD_32 && CK_F_PR_CAS_32_VALUE */
#if defined(CK_F_PR_LOAD_16) && defined(CK_F_PR_CAS_16_VALUE)
#ifndef CK_F_PR_FAA_16
#define CK_F_PR_FAA_16
CK_PR_FAA_S(16, uint16_t)
#endif /* CK_F_PR_FAA_16 */
#ifndef CK_F_PR_FAS_16
#define CK_F_PR_FAS_16
CK_PR_FAS_S(16, uint16_t)
#endif /* CK_F_PR_FAS_16 */
#endif /* CK_F_PR_LOAD_16 && CK_F_PR_CAS_16_VALUE */
#if defined(CK_F_PR_LOAD_8) && defined(CK_F_PR_CAS_8_VALUE)
#ifndef CK_F_PR_FAA_8
#define CK_F_PR_FAA_8
CK_PR_FAA_S(8, uint8_t)
#endif /* CK_F_PR_FAA_8 */
#ifndef CK_F_PR_FAS_8
#define CK_F_PR_FAS_8
CK_PR_FAS_S(8, uint8_t)
#endif /* CK_F_PR_FAS_8 */
#endif /* CK_F_PR_LOAD_8 && CK_F_PR_CAS_8_VALUE */
#undef CK_PR_FAA_S
#undef CK_PR_FAS_S
#undef CK_PR_FAA
#undef CK_PR_FAS
#endif /* _CK_PR_H */