2000-04-11 Andreas Jaeger <aj@suse.de>

	* sysdeps/mips/pt-machine.h (MEMORY_BARRIER): Define.
	(__compare_and_swap): Mark as modifying memory.
2000-04-11  Andreas Jaeger  <aj@suse.de>

	* sysdeps/mips/pt-machine.h (MEMORY_BARRIER): Define.
	(__compare_and_swap): Mark as modifying memory.

diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 48a24b1..e81ec47 100644 (file)
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,8 @@
+2000-04-11  Andreas Jaeger  <aj@suse.de>
+
+       * sysdeps/mips/pt-machine.h (MEMORY_BARRIER): Define.
+       (__compare_and_swap): Mark as modifying memory.
+
 2000-04-11  Geoff Keating  <geoffk@cygnus.com>
 
        * sysdeps/powerpc/pt-machine.h (MEMORY_BARRIER): Don't be

diff --git a/linuxthreads/sysdeps/mips/pt-machine.h b/linuxthreads/sysdeps/mips/pt-machine.h
index 5273923..50765b1 100644 (file)
--- a/linuxthreads/sysdeps/mips/pt-machine.h
+++ b/linuxthreads/sysdeps/mips/pt-machine.h
@@ -1,8 +1,8 @@
 /* Machine-dependent pthreads configuration and inline functions.
 
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ralf Baechle <ralf@gnu.ai.mit.edu>.
+   Contributed by Ralf Baechle <ralf@gnu.org>.
    Based on the Alpha version by Richard Henderson <rth@tamu.edu>.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,6 +30,9 @@
 # define PT_EI extern inline
 #endif
 
+/* Memory barrier.  */
+#define MEMORY_BARRIER() __asm__ ("" : : : "memory")
+
 
 /* Spinlock implementation; required.  */
 PT_EI long int
@@ -84,7 +87,8 @@ __compare_and_swap (long int *p, long int oldval, long int newval)
        "2:\t.set\tmips0\n\t"
        "/* End compare & swap */"
        : "=&r"(ret), "=m"(*p)
-       : "r"(oldval), "r"(newval), "m"(*p));
+       : "r"(oldval), "r"(newval), "m"(*p)
+       : "memory");
 
   return ret;
 }