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m68k/cf: avoid warning in non-shared atomic_compare_and_exchange_val_acq

This commit is contained in:
Andreas Schwab 2012-08-08 10:39:05 +02:00
parent bf9b740a11
commit 3b7d2b398e
2 changed files with 12 additions and 6 deletions
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6
ports/ChangeLog.m68k
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@ -1,3 +1,9 @@
2012-08-08 Andreas Schwab <schwab@linux-m68k.org>
* sysdeps/unix/sysv/linux/m68k/coldfire/nptl/bits/atomic.h
(atomic_compare_and_exchange_val_acq) [!SHARED]: Add cast to avoid
warning.
2012-08-07 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/m68k/configure.in (arch_minimum_kernel):

12
ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/bits/atomic.h
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@ -1,4 +1,4 @@
/* Copyright (C) 2010 Free Software Foundation, Inc.
/* Copyright (C) 2010-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
@ -42,8 +42,8 @@ typedef uintmax_t uatomic_max_t;
#ifdef SHARED
# define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
({ \
/* Use temporary variables to workaround call-clobberness of */ \
/* the registers. */ \
/* Use temporary variables to workaround call-clobberness of \
the registers. */ \
__typeof (mem) _mem = mem; \
__typeof (oldval) _oldval = oldval; \
__typeof (newval) _newval = newval; \
@ -65,13 +65,13 @@ typedef uintmax_t uatomic_max_t;
#else
# define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
({ \
/* Use temporary variables to workaround call-clobberness of */ \
/* the registers. */ \
/* Use temporary variables to workaround call-clobberness of \
the registers. */ \
__typeof (mem) _mem = mem; \
__typeof (oldval) _oldval = oldval; \
__typeof (newval) _newval = newval; \
register __typeof (oldval) _d0 asm ("d0") \
= SYS_ify (atomic_cmpxchg_32); \
= (__typeof (oldval)) SYS_ify (atomic_cmpxchg_32); \
register __typeof (mem) _a0 asm ("a0") = _mem; \
register __typeof (oldval) _d2 asm ("d2") = _oldval; \
register __typeof (newval) _d1 asm ("d1") = _newval; \