diff options
| author | Andreas Schwab <schwab@linux-m68k.org> | 2015-01-25 22:09:05 +0100 |
|---|---|---|
| committer | Andreas Schwab <schwab@linux-m68k.org> | 2015-01-25 23:36:02 +0100 |
| commit | 45819cbca186a7d04889e3d1fc469c2780b28a0e (patch) | |
| tree | 5b5f6e018e7224c2f2e59df3d51f8acdc510e6b8 | |
| parent | 403cc231e64a4f0b3e7273404320883ca9267f0e (diff) | |
m68k/coldfire: avoid warning about volatile register variables
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/coldfire/bits/atomic.h | 19 |
2 files changed, 13 insertions, 10 deletions
@@ -1,5 +1,9 @@ 2015-01-25 Andreas Schwab <schwab@linux-m68k.org> + * sysdeps/unix/sysv/linux/m68k/coldfire/bits/atomic.h + (atomic_compare_and_exchange_val_acq): Use uint32_t for the + register variables. + * sysdeps/m68k/m680x0/fpu/fraiseexcpt.c (__feraiseexcept): Use libm_hidden_def. diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/bits/atomic.h b/sysdeps/unix/sysv/linux/m68k/coldfire/bits/atomic.h index 8454a8cf26..6e069edabe 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/bits/atomic.h +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/bits/atomic.h @@ -50,9 +50,9 @@ typedef uintmax_t uatomic_max_t; __typeof (mem) _mem = mem; \ __typeof (oldval) _oldval = oldval; \ __typeof (newval) _newval = newval; \ - register __typeof (mem) _a0 asm ("a0") = _mem; \ - register __typeof (oldval) _d0 asm ("d0") = _oldval; \ - register __typeof (newval) _d1 asm ("d1") = _newval; \ + register uint32_t *_a0 asm ("a0") = (uint32_t *) _mem; \ + register uint32_t _d0 asm ("d0") = (uint32_t) _oldval; \ + register uint32_t _d1 asm ("d1") = (uint32_t) _newval; \ void *tmp; \ \ asm ("movel #_GLOBAL_OFFSET_TABLE_@GOTPC, %2\n\t" \ @@ -63,7 +63,7 @@ typedef uintmax_t uatomic_max_t; "jsr (%2)\n\t" \ : "+d" (_d0), "+m" (*_a0), "=&a" (tmp) \ : "a" (_a0), "d" (_d1)); \ - _d0; \ + (__typeof (oldval)) _d0; \ }) #else # define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ @@ -73,16 +73,15 @@ typedef uintmax_t uatomic_max_t; __typeof (mem) _mem = mem; \ __typeof (oldval) _oldval = oldval; \ __typeof (newval) _newval = newval; \ - register __typeof (oldval) _d0 asm ("d0") \ - = (__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; \ + register uint32_t _d0 asm ("d0") = SYS_ify (atomic_cmpxchg_32); \ + register uint32_t *_a0 asm ("a0") = (uint32_t *) _mem; \ + register uint32_t _d2 asm ("d2") = (uint32_t) _oldval; \ + register uint32_t _d1 asm ("d1") = (uint32_t) _newval; \ \ asm ("trap #0" \ : "+d" (_d0), "+m" (*_a0) \ : "a" (_a0), "d" (_d2), "d" (_d1)); \ - _d0; \ + (__typeof (oldval)) _d0; \ }) #endif |