[project @ 2005-05-10 13:25:41 by simonmar]

[ghc-hetmet.git] / ghc / includes / Cmm.h

diff --git a/ghc/includes/Cmm.h b/ghc/includes/Cmm.h
index e989a00..415dc4c 100644 (file)
--- a/ghc/includes/Cmm.h
+++ b/ghc/includes/Cmm.h
@@ -317,8 +317,11 @@
    HP_CHK_GEN(alloc,liveness,reentry);                 \
    TICK_ALLOC_HEAP_NOCTR(alloc);
 
+// allocateLocal() allocates from the nursery, so we check to see
+// whether the nursery is nearly empty in any function that uses
+// allocateLocal() - this includes many of the primops.
 #define MAYBE_GC(liveness,reentry)                     \
-   if (CInt[alloc_blocks] >= CInt[alloc_blocks_lim]) { \
+   if (bdescr_link(CurrentNursery) == NULL) {          \
        R9  = liveness;                                 \
         R10 = reentry;                                 \
         jump stg_gc_gen_hp;                            \