vectoriser: fix warning

[ghc-hetmet.git] / rts / PrimOps.cmm

diff --git a/rts/PrimOps.cmm b/rts/PrimOps.cmm
index 3c7dbdd..0cf26b2 100644 (file)
--- a/rts/PrimOps.cmm
+++ b/rts/PrimOps.cmm
@@ -34,7 +34,7 @@ import pthread_mutex_unlock;
 import base_ControlziExceptionziBase_nestedAtomically_closure;
 import EnterCriticalSection;
 import LeaveCriticalSection;
-import ghczmprim_GHCziBool_False_closure;
+import ghczmprim_GHCziTypes_False_closure;
 #if !defined(mingw32_HOST_OS)
 import sm_mutex;
 #endif
@@ -109,6 +109,11 @@ stg_newAlignedPinnedByteArrayzh
     n = R1;
     alignment = R2;
 
+    /* we always supply at least word-aligned memory, so there's no
+       need to allow extra space for alignment if the requirement is less
+       than a word.  This also prevents mischief with alignment == 0. */
+    if (alignment <= SIZEOF_W) { alignment = 1; }
+
     bytes = n;
 
     /* payload_words is what we will tell the profiler we had to allocate */
@@ -1318,7 +1323,7 @@ loop2:
     foreign "C" tryWakeupThread_(MyCapability() "ptr", tso) [];
     
     unlockClosure(mvar, stg_MVAR_DIRTY_info);
-    RET_P(val);
+    RET_NP(1,val);
 }
 
 
@@ -1447,7 +1452,7 @@ loop:
        /* No further takes, the MVar is now full. */
        StgMVar_value(mvar) = val;
        unlockClosure(mvar, stg_MVAR_DIRTY_info);
-       jump %ENTRY_CODE(Sp(0));
+        RET_N(1);
     }
     if (StgHeader_info(q) == stg_IND_info ||
         StgHeader_info(q) == stg_MSG_NULL_info) {
@@ -1485,7 +1490,7 @@ loop2:
     foreign "C" tryWakeupThread_(MyCapability() "ptr", tso) [];
 
     unlockClosure(mvar, stg_MVAR_DIRTY_info);
-    jump %ENTRY_CODE(Sp(0));
+    RET_N(1);
 }
 
 
@@ -2009,13 +2014,13 @@ stg_getSparkzh
    W_ spark;
 
 #ifndef THREADED_RTS
-   RET_NP(0,ghczmprim_GHCziBool_False_closure);
+   RET_NP(0,ghczmprim_GHCziTypes_False_closure);
 #else
    (spark) = foreign "C" findSpark(MyCapability());
    if (spark != 0) {
       RET_NP(1,spark);
    } else {
-      RET_NP(0,ghczmprim_GHCziBool_False_closure);
+      RET_NP(0,ghczmprim_GHCziTypes_False_closure);
    }
 #endif
 }