From 07b78716af6a9d7c9fd1e94d9baf94a52c873947 Mon Sep 17 00:00:00 2001 From: Andrew Haley Date: Fri, 30 Sep 2016 16:24:48 +0000 Subject: Makefile.def: Remove libjava. 2016-09-30 Andrew Haley * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662 --- libjava/sysdep/alpha/locks.h | 66 -------------------------------------------- 1 file changed, 66 deletions(-) delete mode 100644 libjava/sysdep/alpha/locks.h (limited to 'libjava/sysdep/alpha') diff --git a/libjava/sysdep/alpha/locks.h b/libjava/sysdep/alpha/locks.h deleted file mode 100644 index 993afca..0000000 --- a/libjava/sysdep/alpha/locks.h +++ /dev/null @@ -1,66 +0,0 @@ -// locks.h - Thread synchronization primitives. Alpha implementation. - -/* Copyright (C) 2002, 2011 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 size_t obj_addr_t; - -// 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 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. -inline static void -read_barrier() -{ - __asm__ __volatile__("mb" : : : "memory"); -} - -// Ensure that prior stores to memory are completed with respect to other -// processors. -inline static void -write_barrier() -{ - __asm__ __volatile__("wmb" : : : "memory"); -} - -#endif -- cgit v1.1