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/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
This file is part of the GNU Transactional Memory Library (libitm).
Libitm is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Libitm 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
namespace GTM HIDDEN {
/* ??? This doesn't work for Win64. */
typedef struct gtm_jmpbuf
{
void *cfa;
#ifdef __x86_64__
unsigned long long rbx;
unsigned long long rbp;
unsigned long long r12;
unsigned long long r13;
unsigned long long r14;
unsigned long long r15;
unsigned long long rip;
#else
unsigned long ebx;
unsigned long esi;
unsigned long edi;
unsigned long ebp;
unsigned long eip;
#endif
} gtm_jmpbuf;
/* x86 doesn't require strict alignment for the basic types. */
#define STRICT_ALIGNMENT 0
/* x86 uses a fixed page size of 4K. */
#define PAGE_SIZE 4096
#define FIXED_PAGE_SIZE 1
/* The size of one line in hardware caches (in bytes). */
#define HW_CACHELINE_SIZE 64
static inline void
cpu_relax (void)
{
__builtin_ia32_pause ();
}
} // namespace GTM
// We'll be using some of the cpu builtins, and their associated types.
#ifndef __cplusplus
/* ??? It's broken for C++. */
#include <x86intrin.h>
#else
# ifdef __SSE2__
# include <emmintrin.h>
# elif defined(__SSE__)
# include <xmmintrin.h>
# endif
# ifdef __AVX__
# include <immintrin.h>
# endif
#endif
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