X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libjava%2Fsysdep%2Falpha%2Flocks.h;fp=libjava%2Fsysdep%2Falpha%2Flocks.h;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=1c20249cce393aea1cadc02dfee08f35739e4c77;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libjava/sysdep/alpha/locks.h b/libjava/sysdep/alpha/locks.h deleted file mode 100644 index 1c20249c..00000000 --- a/libjava/sysdep/alpha/locks.h +++ /dev/null @@ -1,53 +0,0 @@ -// locks.h - Thread synchronization primitives. Alpha implementation. - -/* Copyright (C) 2002 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__ - -typedef size_t obj_addr_t; /* Integer type big enough for object */ - /* address. */ - -inline static bool -compare_and_swap(volatile obj_addr_t *addr, - obj_addr_t old, - obj_addr_t new_val) -{ - unsigned long oldval; - char result; - __asm__ __volatile__( - "1:ldq_l %0, %1\n\t" \ - "cmpeq %0, %5, %2\n\t" \ - "beq %2, 2f\n\t" \ - "mov %3, %0\n\t" \ - "stq_c %0, %1\n\t" \ - "bne %0, 2f\n\t" \ - "br 1b\n\t" \ - "2:mb" - : "=&r"(oldval), "=m"(*addr), "=&r"(result) - : "r" (new_val), "m"(*addr), "r"(old) : "memory"); - return (bool) result; -} - -inline static void -release_set(volatile obj_addr_t *addr, obj_addr_t new_val) -{ - __asm__ __volatile__("mb" : : : "memory"); - *(addr) = new_val; -} - -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); -} - -#endif