diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2008-08-03 13:00:44 +0000 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-06-18 00:27:18 +0200 |
| commit | 511300311b1a57ad7279f91ab11d1bcf6fe202da (patch) | |
| tree | 4d0423f6b860a88576e366fcef7b26e6dab92288 /i386/i386/lock.h | |
| parent | a2e1ed839ebd352c3114193c24a61ef2ef72ddff (diff) | |
2008-08-03 Samuel Thibault <samuel.thibault@ens-lyon.org>
* i386/i386/lock.h (_simple_lock_xchg_, bit_lock, bit_unlock): Add
memory clobbers.
* i386/include/mach/i386/cthreads.h (spin_unlock, spin_try_lock): Add
memory clobbers.
Diffstat (limited to 'i386/i386/lock.h')
| -rw-r--r-- | i386/i386/lock.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/i386/i386/lock.h b/i386/i386/lock.h index 2b5c4aa..38a66c8 100644 --- a/i386/i386/lock.h +++ b/i386/i386/lock.h @@ -47,7 +47,7 @@ ({ register int _old_val_; \ asm volatile("xchgl %0, %2" \ : "=r" (_old_val_) \ - : "0" (new_val), "m" (*(lock)) \ + : "0" (new_val), "m" (*(lock) : "memory") \ ); \ _old_val_; \ }) @@ -81,7 +81,7 @@ btsl %0, %1 \n\ jb 0b" \ : \ - : "r" (bit), "m" (*(volatile int *)(l))); \ + : "r" (bit), "m" (*(volatile int *)(l)) : "memory"); \ 0; \ }) @@ -90,7 +90,7 @@ asm volatile(" lock \n\ btrl %0, %1" \ : \ - : "r" (bit), "m" (*(volatile int *)(l))); \ + : "r" (bit), "m" (*(volatile int *)(l)) : "memory"); \ 0; \ }) |