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| author | Andrew Haley <aph@redhat.com> | 2016-09-30 16:24:48 +0000 |
|---|---|---|
| committer | Andrew Haley <aph@gcc.gnu.org> | 2016-09-30 16:24:48 +0000 |
| commit | 07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch) | |
| tree | 3f22b3241c513ad168c8353805614ae1249410f4 /libjava/sysdep/mips/locks.h | |
| parent | eae993948bae8b788c53772bcb9217c063716f93 (diff) | |
| download | gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.zip gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.gz gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.bz2 | |
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com>
* Makefile.def: Remove libjava.
* Makefile.tpl: Likewise.
* Makefile.in: Regenerate.
* configure.ac: Likewise.
* configure: Likewise.
* gcc/java: Remove.
* libjava: Likewise.
From-SVN: r240662
Diffstat (limited to 'libjava/sysdep/mips/locks.h')
| -rw-r--r-- | libjava/sysdep/mips/locks.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/libjava/sysdep/mips/locks.h b/libjava/sysdep/mips/locks.h deleted file mode 100644 index c8e30cf..0000000 --- a/libjava/sysdep/mips/locks.h +++ /dev/null @@ -1,68 +0,0 @@ -// locks.h - Thread synchronization primitives. MIPS implementation. - -/* Copyright (C) 2003 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -#ifndef __SYSDEP_LOCKS_H__ -#define __SYSDEP_LOCKS_H__ - -/* Integer type big enough for object address. */ -typedef unsigned obj_addr_t __attribute__((__mode__(__pointer__))); - - -// Atomically replace *addr by new_val if it was initially equal to old. -// Return true if the comparison succeeded. -// Assumed to have acquire semantics, i.e. later memory operations -// cannot execute before the compare_and_swap finishes. -inline static bool -compare_and_swap(volatile obj_addr_t *addr, - obj_addr_t old, - obj_addr_t new_val) -{ - return __sync_bool_compare_and_swap(addr, old, new_val); -} - -// Set *addr to new_val with release semantics, i.e. making sure -// that prior loads and stores complete before this -// assignment. -inline static void -release_set(volatile obj_addr_t *addr, obj_addr_t new_val) -{ - __sync_synchronize(); - *(addr) = new_val; -} - -// Compare_and_swap with release semantics instead of acquire semantics. -// On many architecture, the operation makes both guarantees, so the -// implementation can be the same. -inline static bool -compare_and_swap_release(volatile obj_addr_t *addr, - obj_addr_t old, - obj_addr_t new_val) -{ - return __sync_bool_compare_and_swap(addr, old, new_val); -} - -// Ensure that subsequent instructions do not execute on stale -// data that was loaded from memory before the barrier. -// On X86, the hardware ensures that reads are properly ordered. -inline static void -read_barrier() -{ - __sync_synchronize(); -} - -// Ensure that prior stores to memory are completed with respect to other -// processors. -inline static void -write_barrier() -{ - __sync_synchronize(); -} - -#endif // __SYSDEP_LOCKS_H__ |