aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/i386/i486/atomicity.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/i386/i486/atomicity.h')
-rw-r--r--sysdeps/i386/i486/atomicity.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/sysdeps/i386/i486/atomicity.h b/sysdeps/i386/i486/atomicity.h
index b30363d707..da7e5f2036 100644
--- a/sysdeps/i386/i486/atomicity.h
+++ b/sysdeps/i386/i486/atomicity.h
@@ -1,5 +1,5 @@
/* Low-level functions for atomic operations. ix86 version, x >= 4.
- Copyright (C) 1997, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -29,7 +29,7 @@ exchange_and_add (volatile uint32_t *mem, uint32_t val)
{
register uint32_t result;
__asm__ __volatile__ ("lock; xaddl %0,%2"
- : "=r" (result) : "0" (val), "m" (*mem) : "memory");
+ : "=r" (result), "=m" (*mem) : "0" (val), "1" (*mem));
return result;
}
@@ -37,8 +37,8 @@ static inline void
__attribute__ ((unused))
atomic_add (volatile uint32_t *mem, int val)
{
- __asm__ __volatile__ ("lock; addl %0,%1"
- : : "ir" (val), "m" (*mem) : "memory");
+ __asm__ __volatile__ ("lock; addl %1,%0"
+ : "=m" (*mem) : "ir" (val), "0" (*mem));
}
static inline char
@@ -50,7 +50,7 @@ compare_and_swap (volatile long int *p, long int oldval, long int newval)
__asm__ __volatile__ ("lock; cmpxchgl %3, %1; sete %0"
: "=q" (ret), "=m" (*p), "=a" (readval)
- : "r" (newval), "m" (*p), "a" (oldval));
+ : "r" (newval), "1" (*p), "a" (oldval));
return ret;
}