diff options
Diffstat (limited to 'compiler/codeGen')
| -rw-r--r-- | compiler/codeGen/StgCmmBind.hs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/codeGen/StgCmmBind.hs b/compiler/codeGen/StgCmmBind.hs index 6e6e6ac791..68a79878d3 100644 --- a/compiler/codeGen/StgCmmBind.hs +++ b/compiler/codeGen/StgCmmBind.hs @@ -632,6 +632,7 @@ emitBlackHoleCode node = do when eager_blackholing $ do emitStore (cmmOffsetW dflags node (fixedHdrSizeW dflags)) currentTSOExpr + -- See Note [Heap memory barriers] in SMP.h. emitPrimCall [] MO_WriteBarrier [] emitStore node (CmmReg (CmmGlobal EagerBlackholeInfo)) |