X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fincludes%2FStg.h;h=a63b7ec2d6f43d980375f2fd9b90c9238c7a3620;hb=3034a6c8cfb50e2b5af4ef57c419986039b53a94;hp=9977d57a6ed7601975fc0067e34dd7edb7609ab4;hpb=a31c721ced404143e4f49e6c325f92148a6a0dc4;p=ghc-hetmet.git

diff --git a/ghc/includes/Stg.h b/ghc/includes/Stg.h
index 9977d57..a63b7ec 100644
--- a/ghc/includes/Stg.h
+++ b/ghc/includes/Stg.h
@@ -367,6 +367,24 @@ INLINE_HEADER StgInt64 PK_Int64(W_ p_src[])
 #endif
 
 /* -----------------------------------------------------------------------------
+   Write-combining store
+   -------------------------------------------------------------------------- */
+
+INLINE_HEADER void
+wcStore (StgPtr p, StgWord w)
+{
+#ifdef x86_64_HOST_ARCH    
+    __asm__(
+	"movnti\t%1, %0"
+	: "=m" (*p)
+	: "r" (w)
+	);
+#else
+      *p = w;
+#endif
+}
+
+/* -----------------------------------------------------------------------------
    Integer multiply with overflow
    -------------------------------------------------------------------------- */