diff options
Diffstat (limited to 'gcc-4.4.3/libgomp/config/linux/alpha/futex.h')
-rw-r--r-- | gcc-4.4.3/libgomp/config/linux/alpha/futex.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/gcc-4.4.3/libgomp/config/linux/alpha/futex.h b/gcc-4.4.3/libgomp/config/linux/alpha/futex.h deleted file mode 100644 index a594d1663..000000000 --- a/gcc-4.4.3/libgomp/config/linux/alpha/futex.h +++ /dev/null @@ -1,109 +0,0 @@ -/* Copyright (C) 2005, 2008, 2009 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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, or (at your option) - any later version. - - Libgomp 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/>. */ - -/* Provide target-specific access to the futex system call. */ - -#ifndef SYS_futex -#define SYS_futex 394 -#endif - - -static inline void -futex_wait (int *addr, int val) -{ - register long sc_0 __asm__("$0"); - register long sc_16 __asm__("$16"); - register long sc_17 __asm__("$17"); - register long sc_18 __asm__("$18"); - register long sc_19 __asm__("$19"); - - sc_0 = SYS_futex; - sc_16 = (long) addr; - sc_17 = gomp_futex_wait; - sc_18 = val; - sc_19 = 0; - __asm volatile ("callsys" - : "=r" (sc_0), "=r"(sc_19) - : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18), "1"(sc_19) - : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", - "$22", "$23", "$24", "$25", "$27", "$28", "memory"); - if (__builtin_expect (sc_19, 0) && sc_0 == ENOSYS) - { - gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG; - gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG; - sc_0 = SYS_futex; - sc_17 &= ~FUTEX_PRIVATE_FLAG; - sc_19 = 0; - __asm volatile ("callsys" - : "=r" (sc_0), "=r"(sc_19) - : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18), - "1"(sc_19) - : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", - "$22", "$23", "$24", "$25", "$27", "$28", "memory"); - } -} - -static inline void -futex_wake (int *addr, int count) -{ - register long sc_0 __asm__("$0"); - register long sc_16 __asm__("$16"); - register long sc_17 __asm__("$17"); - register long sc_18 __asm__("$18"); - register long sc_19 __asm__("$19"); - - sc_0 = SYS_futex; - sc_16 = (long) addr; - sc_17 = gomp_futex_wake; - sc_18 = count; - __asm volatile ("callsys" - : "=r" (sc_0), "=r"(sc_19) - : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18) - : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", - "$22", "$23", "$24", "$25", "$27", "$28", "memory"); - if (__builtin_expect (sc_19, 0) && sc_0 == ENOSYS) - { - gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG; - gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG; - sc_0 = SYS_futex; - sc_17 &= ~FUTEX_PRIVATE_FLAG; - __asm volatile ("callsys" - : "=r" (sc_0), "=r"(sc_19) - : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18) - : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", - "$22", "$23", "$24", "$25", "$27", "$28", "memory"); - } -} - -static inline void -cpu_relax (void) -{ - __asm volatile ("" : : : "memory"); -} - -static inline void -atomic_write_barrier (void) -{ - __asm volatile ("wmb" : : : "memory"); -} |