* that require it (not x86 or x86_64).
*/
INLINE_HEADER void
-wb(void) {
+write_barrier(void) {
#if i386_HOST_ARCH || x86_64_HOST_ARCH
__asm__ __volatile__ ("" : : : "memory");
#elif powerpc_HOST_ARCH
{
#if i386_HOST_ARCH || x86_64_HOST_ARCH || powerpc_HOST_ARCH
// This is a strictly ordered write, so we need a wb():
- wb();
+ write_barrier();
p->header.info = info;
#else
RELEASE_SM_LOCK;
#else /* !THREADED_RTS */
-#define wb() /* nothing */
+#define write_barrier() /* nothing */
INLINE_HEADER StgWord
xchg(StgPtr p, StgWord w)
{
Capability *target_cap;
- wb();
+ write_barrier();
target_cap = target->cap;
if (target_cap == cap && (target->flags & TSO_BLOCKEX) == 0) {
// It's on our run queue and not blocking exceptions
dirtyTSO(target); // we modified the blocked_exceptions queue
source->block_info.tso = target;
- wb(); // throwTo_exception *must* be visible if BlockedOnException is.
+ write_barrier(); // throwTo_exception *must* be visible if BlockedOnException is.
source->why_blocked = BlockedOnException;
}
DEBUG_FILL_SLOP(p1); \
LDV_RECORD_DEAD_FILL_SLOP_DYNAMIC(p1); \
StgInd_indirectee(p1) = p2; \
- foreign "C" wb() []; \
+ prim %write_barrier() []; \
bd = Bdescr(p1); \
if (bdescr_gen_no(bd) != 0 :: CInt) { \
foreign "C" recordMutableCap(p1 "ptr", \
and_then; \
}
#else
-#define updateWithIndirection(ind_info, p1, p2, and_then) \
- { \
- bdescr *bd; \
- \
- /* cas(p1, 0, &stg_WHITEHOLE_info); */ \
- ASSERT( (P_)p1 != (P_)p2 && !closure_IND(p1) ); \
- DEBUG_FILL_SLOP(p1); \
- LDV_RECORD_DEAD_FILL_SLOP_DYNAMIC(p1); \
- ((StgInd *)p1)->indirectee = p2; \
- wb(); \
- bd = Bdescr((P_)p1); \
- if (bd->gen_no != 0) { \
- recordMutableGenLock(p1, &generations[bd->gen_no]); \
- SET_INFO(p1, &stg_IND_OLDGEN_info); \
- TICK_UPD_OLD_IND(); \
- and_then; \
- } else { \
- SET_INFO(p1, ind_info); \
- LDV_RECORD_CREATE(p1); \
- TICK_UPD_NEW_IND(); \
- and_then; \
- } \
+#define updateWithIndirection(ind_info, p1, p2, and_then) \
+ { \
+ bdescr *bd; \
+ \
+ /* cas(p1, 0, &stg_WHITEHOLE_info); */ \
+ ASSERT( (P_)p1 != (P_)p2 && !closure_IND(p1) ); \
+ DEBUG_FILL_SLOP(p1); \
+ LDV_RECORD_DEAD_FILL_SLOP_DYNAMIC(p1); \
+ ((StgInd *)p1)->indirectee = p2; \
+ write_barrier(); \
+ bd = Bdescr((P_)p1); \
+ if (bd->gen_no != 0) { \
+ recordMutableGenLock(p1, &generations[bd->gen_no]); \
+ SET_INFO(p1, &stg_IND_OLDGEN_info); \
+ TICK_UPD_OLD_IND(); \
+ and_then; \
+ } else { \
+ SET_INFO(p1, ind_info); \
+ LDV_RECORD_CREATE(p1); \
+ TICK_UPD_NEW_IND(); \
+ and_then; \
+ } \
}
#endif