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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libitm/] [config/] [linux/] [sparc/] [futex_bits.h] - Rev 776
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/* Copyright (C) 2012 Free Software Foundation, Inc. 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/>. */ #include <sys/syscall.h> static inline long sys_futex0 (std::atomic<int> *addr, int op, int val) { register long int g1 __asm__ ("g1"); register long int o0 __asm__ ("o0"); register long int o1 __asm__ ("o1"); register long int o2 __asm__ ("o2"); register long int o3 __asm__ ("o3"); long res; g1 = SYS_futex; o0 = (long) addr; o1 = op; o2 = val; o3 = 0; #ifdef __arch64__ __asm volatile ("ta 0x6d" #else __asm volatile ("ta 0x10" #endif : "=r"(g1), "=r"(o0) : "0"(g1), "1"(o0), "r"(o1), "r"(o2), "r"(o3) : "g2", "g3", "g4", "g5", "g6", "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46", "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62", "cc", "memory"); res = o0; if (__builtin_expect ((unsigned long) res >= -515UL, 0)) res =- res; return res; }
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