(XADD): Use a scratch register.

diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h b/nptl/sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h
index 76d22c8..c702836 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2008 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
@@ -44,14 +44,16 @@
        mov.l   reg, mem; \
 99:    mov     r1, r15
 
-#define        XADD(reg, mem, old) \
+#define        XADD(reg, mem, old, tmp) \
        .align  2; \
        mova    99f, r0; \
+       nop; \
        mov     r15, r1; \
-       mov     _IMM6, r15; \
+       mov     _IMM8, r15; \
 98:    mov.l   mem, old; \
-       add     old, reg; \
-       mov.l   reg, mem; \
+       mov     reg, tmp; \
+       add     old, tmp; \
+       mov.l   tmp, mem; \
 99:    mov     r1, r15
 
 #define        XCHG(reg, mem, old) \