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-rw-r--r--gcc-4.4.3/libgomp/config/linux/sparc/futex.h108
1 files changed, 0 insertions, 108 deletions
diff --git a/gcc-4.4.3/libgomp/config/linux/sparc/futex.h b/gcc-4.4.3/libgomp/config/linux/sparc/futex.h
deleted file mode 100644
index 214b786f7..000000000
--- a/gcc-4.4.3/libgomp/config/linux/sparc/futex.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/* Copyright (C) 2005, 2008, 2009 Free Software Foundation, Inc.
- Contributed by Jakub Jelinek <jakub@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. */
-
-#include <sys/syscall.h>
-
-static inline long
-sys_futex0 (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");
-
- g1 = SYS_futex;
- o0 = (long) addr;
- o1 = op;
- o2 = val;
- o3 = 0;
-
-#ifdef __arch64__
-# define SYSCALL_STRING "ta\t0x6d; bcs,a,pt %%xcc, 1f; sub %%g0, %%o0, %%o0; 1:"
-#else
-# define SYSCALL_STRING "ta\t0x10; bcs,a 1f; sub %%g0, %%o0, %%o0; 1:"
-#endif
-
- __asm volatile (SYSCALL_STRING
- : "=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",
-#ifdef __arch64__
- "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",
- "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
-#endif
- "cc", "memory");
- return o0;
-}
-
-static inline void
-futex_wait (int *addr, int val)
-{
- long err = sys_futex0 (addr, gomp_futex_wait, val);
- if (__builtin_expect (err == ENOSYS, 0))
- {
- gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
- gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
- sys_futex0 (addr, gomp_futex_wait, val);
- }
-}
-
-static inline void
-futex_wake (int *addr, int count)
-{
- long err = sys_futex0 (addr, gomp_futex_wake, count);
- if (__builtin_expect (err == ENOSYS, 0))
- {
- gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
- gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
- sys_futex0 (addr, gomp_futex_wake, count);
- }
-}
-
-static inline void
-cpu_relax (void)
-{
-#if defined __arch64__ || defined __sparc_v9__
- __asm volatile ("membar #LoadLoad" : : : "memory");
-#else
- __asm volatile ("" : : : "memory");
-#endif
-}
-
-static inline void
-atomic_write_barrier (void)
-{
-#if defined __arch64__ || defined __sparc_v9__
- __asm volatile ("membar #StoreStore" : : : "memory");
-#else
- __sync_synchronize ();
-#endif
-}