allocateInGen(): increase alloc_blocks (#2747)

[ghc-hetmet.git] / compiler / prelude / primops.txt.pp

diff --git a/compiler/prelude/primops.txt.pp b/compiler/prelude/primops.txt.pp
index 39ae85d..417d42e 100644 (file)
--- a/compiler/prelude/primops.txt.pp
+++ b/compiler/prelude/primops.txt.pp
@@ -1340,6 +1340,13 @@ primop   ReadTVarOp "readTVar#" GenPrimOp
    with
    out_of_line = True
 
+primop ReadTVarIOOp "readTVarIO#" GenPrimOp
+       TVar# s a
+    -> State# s -> (# State# s, a #)
+   {Read contents of {\tt TVar\#} outside an STM transaction}
+   with
+   out_of_line = True
+
 primop WriteTVarOp "writeTVar#" GenPrimOp
        TVar# s a
     -> a