* winbase.h (ilockincr): YA correction to ensure correct operation with no

optimization.
(ilockdecr): Ditto.

1 files changed, 4 insertions, 4 deletions

diff --git a/winsup/cygwin/winbase.h b/winsup/cygwin/winbase.h
index 3d1f202ec..0411afd7b 100644
--- a/winsup/cygwin/winbase.h
+++ b/winsup/cygwin/winbase.h
@@ -9,9 +9,9 @@ ilockincr (long *m)
   register int __res;
   __asm__ __volatile__ ("\n\
 	movl	$1,%0\n\
-	lock	xadd %0,%1\n\
+	lock	xadd %0,%2\n\
 	inc	%0\n\
-	": "=a" (__res), "+m" (*m): : "cc");
+	": "=a" (__res), "=m" (*m): "m" (m): "cc");
   return __res;
 }
 
@@ -21,9 +21,9 @@ ilockdecr (long *m)
   register int __res;
   __asm__ __volatile__ ("\n\
 	movl	$0xffffffff,%0\n\
-	lock	xadd %0,%1\n\
+	lock	xadd %0,%2\n\
 	dec	%0\n\
-	": "=a" (__res), "+m" (*m):  : "cc");
+	": "=a" (__res), "=m" (*m): "m" (m): "cc");
   return __res;
 }