You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
5.6 KiB
C
97 lines
5.6 KiB
C
/*
|
|
Copyright 2005-2014 Intel Corporation. All Rights Reserved.
|
|
|
|
This file is part of Threading Building Blocks. Threading Building Blocks is free software;
|
|
you can redistribute it and/or modify it under the terms of the GNU General Public License
|
|
version 2 as published by the Free Software Foundation. Threading Building Blocks is
|
|
distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
|
|
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
See the GNU General Public License for more details. You should have received a copy of
|
|
the GNU General Public License along with Threading Building Blocks; if not, write to the
|
|
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
As a special exception, you may use this file as part of a free software library without
|
|
restriction. Specifically, if other files instantiate templates or use macros or inline
|
|
functions from this file, or you compile this file and link it with other files to produce
|
|
an executable, this file does not by itself cause the resulting executable to be covered
|
|
by the GNU General Public License. This exception does not however invalidate any other
|
|
reasons why the executable file might be covered by the GNU General Public License.
|
|
*/
|
|
|
|
#if !defined(__TBB_machine_H) || defined(__TBB_machine_linux_intel64_H)
|
|
#error Do not #include this internal file directly; use public TBB headers instead.
|
|
#endif
|
|
|
|
#define __TBB_machine_linux_intel64_H
|
|
|
|
#include <stdint.h>
|
|
#include "gcc_ia32_common.h"
|
|
|
|
#define __TBB_WORDSIZE 8
|
|
#define __TBB_ENDIANNESS __TBB_ENDIAN_LITTLE
|
|
|
|
#define __TBB_compiler_fence() __asm__ __volatile__("": : :"memory")
|
|
#define __TBB_control_consistency_helper() __TBB_compiler_fence()
|
|
#define __TBB_acquire_consistency_helper() __TBB_compiler_fence()
|
|
#define __TBB_release_consistency_helper() __TBB_compiler_fence()
|
|
|
|
#ifndef __TBB_full_memory_fence
|
|
#define __TBB_full_memory_fence() __asm__ __volatile__("mfence": : :"memory")
|
|
#endif
|
|
|
|
#define __TBB_MACHINE_DEFINE_ATOMICS(S,T,X) \
|
|
static inline T __TBB_machine_cmpswp##S (volatile void *ptr, T value, T comparand ) \
|
|
{ \
|
|
T result; \
|
|
\
|
|
__asm__ __volatile__("lock\ncmpxchg" X " %2,%1" \
|
|
: "=a"(result), "=m"(*(volatile T*)ptr) \
|
|
: "q"(value), "0"(comparand), "m"(*(volatile T*)ptr) \
|
|
: "memory"); \
|
|
return result; \
|
|
} \
|
|
\
|
|
static inline T __TBB_machine_fetchadd##S(volatile void *ptr, T addend) \
|
|
{ \
|
|
T result; \
|
|
__asm__ __volatile__("lock\nxadd" X " %0,%1" \
|
|
: "=r"(result),"=m"(*(volatile T*)ptr) \
|
|
: "0"(addend), "m"(*(volatile T*)ptr) \
|
|
: "memory"); \
|
|
return result; \
|
|
} \
|
|
\
|
|
static inline T __TBB_machine_fetchstore##S(volatile void *ptr, T value) \
|
|
{ \
|
|
T result; \
|
|
__asm__ __volatile__("lock\nxchg" X " %0,%1" \
|
|
: "=r"(result),"=m"(*(volatile T*)ptr) \
|
|
: "0"(value), "m"(*(volatile T*)ptr) \
|
|
: "memory"); \
|
|
return result; \
|
|
} \
|
|
|
|
__TBB_MACHINE_DEFINE_ATOMICS(1,int8_t,"")
|
|
__TBB_MACHINE_DEFINE_ATOMICS(2,int16_t,"")
|
|
__TBB_MACHINE_DEFINE_ATOMICS(4,int32_t,"")
|
|
__TBB_MACHINE_DEFINE_ATOMICS(8,int64_t,"q")
|
|
|
|
#undef __TBB_MACHINE_DEFINE_ATOMICS
|
|
|
|
static inline void __TBB_machine_or( volatile void *ptr, uint64_t value ) {
|
|
__asm__ __volatile__("lock\norq %1,%0" : "=m"(*(volatile uint64_t*)ptr) : "r"(value), "m"(*(volatile uint64_t*)ptr) : "memory");
|
|
}
|
|
|
|
static inline void __TBB_machine_and( volatile void *ptr, uint64_t value ) {
|
|
__asm__ __volatile__("lock\nandq %1,%0" : "=m"(*(volatile uint64_t*)ptr) : "r"(value), "m"(*(volatile uint64_t*)ptr) : "memory");
|
|
}
|
|
|
|
#define __TBB_AtomicOR(P,V) __TBB_machine_or(P,V)
|
|
#define __TBB_AtomicAND(P,V) __TBB_machine_and(P,V)
|
|
|
|
#define __TBB_USE_FETCHSTORE_AS_FULL_FENCED_STORE 1
|
|
#define __TBB_USE_GENERIC_HALF_FENCED_LOAD_STORE 1
|
|
#define __TBB_USE_GENERIC_RELAXED_LOAD_STORE 1
|
|
#define __TBB_USE_GENERIC_SEQUENTIAL_CONSISTENCY_LOAD_STORE 1
|
|
|