diff options
Diffstat (limited to 'lib/libpthread/arch')
| -rw-r--r-- | lib/libpthread/arch/alpha/uthread_machdep_asm.S | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/libpthread/arch/alpha/uthread_machdep_asm.S b/lib/libpthread/arch/alpha/uthread_machdep_asm.S index 0069eda0041..054d8a52d22 100644 --- a/lib/libpthread/arch/alpha/uthread_machdep_asm.S +++ b/lib/libpthread/arch/alpha/uthread_machdep_asm.S @@ -1,4 +1,4 @@ -/* $OpenBSD: uthread_machdep_asm.S,v 1.3 2002/11/29 09:27:34 deraadt Exp $ */ +/* $OpenBSD: uthread_machdep_asm.S,v 1.4 2002/12/12 18:26:18 marc Exp $ */ /* David Leonard, <d@csee.uq.edu.au>. Public domain. */ #include <machine/asm.h> @@ -66,9 +66,12 @@ _thread_machdep_switch: LEAF(_atomic_lock,1) LDGP(pv) -0: ldq_l v0, 0(a0) /* read existing lock value */ + /* NOTE: using ldl_l/stl_c instead of + ldq_l and ldq_c as machine/spinlock.h + defines _spinlock_lock_t as int */ +0: ldl_l v0, 0(a0) /* read existing lock value */ mov 1, t0 /* locked value to store */ - stq_c t0, 0(a0) /* attempt to store, status in t0 */ + stl_c t0, 0(a0) /* attempt to store, status in t0 */ beq t0, 1f /* branch forward to optimise prediction */ mb /* sync with other processors */ RET /* return with v0==0 if lock obtained */ |