X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=rts%2FPrimOps.cmm;h=55ada8c45c860b53bba31dc987c17b57d3e26348;hp=c666a4207b2a17e20cf5629ba5dc39058115d27a;hb=2b16fa4791b08b02df8461f3b79d0e44d72d0960;hpb=6cd3d0dc3021fb705fa7603f24afcb19b49f8b3b

diff --git a/rts/PrimOps.cmm b/rts/PrimOps.cmm
index c666a42..55ada8c 100644
--- a/rts/PrimOps.cmm
+++ b/rts/PrimOps.cmm
@@ -1455,6 +1455,17 @@ readTVarzh_fast
   RET_P(result);
 }
 
+readTVarIOzh_fast
+{
+    W_ result;
+
+again:
+    result = StgTVar_current_value(R1);
+    if (%INFO_PTR(result) == stg_TREC_HEADER_info) {
+        goto again;
+    }
+    RET_P(result);
+}
 
 writeTVarzh_fast
 {
@@ -2276,3 +2287,25 @@ getApStackValzh_fast
    }
    RET_NP(ok,val);
 }
+
+getSparkzh_fast
+{
+   W_ spark;
+
+#ifndef THREADED_RTS
+   RET_NP(0,ghczmprim_GHCziBool_False_closure);
+#else
+   (spark) = foreign "C" tryStealSpark(MyCapability());
+   if (spark != 0) {
+      RET_NP(1,spark);
+   } else {
+      (spark) = foreign "C" stealWork (MyCapability());
+      if (spark != 0) {
+         RET_NP(1,spark);
+      } else {
+         RET_NP(0,ghczmprim_GHCziBool_False_closure);
+
+      }
+   }
+#endif
+}