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| author | Ben Gamari <ben@smart-cactus.org> | 2022-11-15 15:47:54 -0500 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-12-16 16:12:45 -0500 |
| commit | 82c62074cdf5077efcc31128695eca4e4b9da75b (patch) | |
| tree | 55050631ec9e609604fb98c43a8df7a89caeefa9 | |
| parent | 3d2a7e08aee0c00f0c0b7d6fefcb827ef9a86595 (diff) | |
| download | haskell-82c62074cdf5077efcc31128695eca4e4b9da75b.tar.gz | |
compiler: Use release store in eager blackholing
| -rw-r--r-- | compiler/GHC/StgToCmm/Bind.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/GHC/StgToCmm/Bind.hs b/compiler/GHC/StgToCmm/Bind.hs index 3e9f5a52d5..abe42d90d8 100644 --- a/compiler/GHC/StgToCmm/Bind.hs +++ b/compiler/GHC/StgToCmm/Bind.hs @@ -703,8 +703,8 @@ emitBlackHoleCode node = do whenUpdRemSetEnabled $ emitUpdRemSetPushThunk node emitStore (cmmOffsetW platform node (fixedHdrSizeW profile)) currentTSOExpr -- See Note [Heap memory barriers] in SMP.h. - emitPrimCall [] MO_WriteBarrier [] - emitStore node (CmmReg (CmmGlobal EagerBlackholeInfo)) + let w = wordWidth platform + emitPrimCall [] (MO_AtomicWrite w MemOrderRelease) [node, CmmReg (CmmGlobal EagerBlackholeInfo)] setupUpdate :: ClosureInfo -> LocalReg -> FCode () -> FCode () -- Nota Bene: this function does not change Node (even if it's a CAF), |