[project @ 2000-01-25 16:58:57 by sewardj]

amodeToStix, GET_TAG: implement correctly for little-endian-32 and
supply implementation for big-endian-32.  Definitely won't work on
64-bit platforms.

diff --git a/ghc/compiler/nativeGen/StixPrim.lhs b/ghc/compiler/nativeGen/StixPrim.lhs
index 8508a31..8cb3594 100644 (file)
--- a/ghc/compiler/nativeGen/StixPrim.lhs
+++ b/ghc/compiler/nativeGen/StixPrim.lhs
@@ -380,10 +380,18 @@ amodeToStix (CMacroExpr _ macro [arg])
   = case macro of
       ENTRY_CODE -> amodeToStix arg
       ARG_TAG    -> amodeToStix arg -- just an integer no. of words
-      GET_TAG    -> StPrim SrlOp 
-                       [StInd WordRep (StPrim IntSubOp [amodeToStix arg,
-                                                        StInt 1]),
+      GET_TAG    -> 
+#ifdef WORDS_BIGENDIAN
+                    StPrim AndOp 
+                       [StInd WordRep (StIndex PtrRep (amodeToStix arg)
+                                                (StInt (toInteger (-1)))),
+                        StInt 65535]
+#else
+                    StPrim SrlOp 
+                       [StInd WordRep (StIndex PtrRep (amodeToStix arg)
+                                                (StInt (toInteger (-1)))),
                         StInt 16]
+#endif
       UPD_FRAME_UPDATEE
          -> StInd PtrRep (StIndex PtrRep (amodeToStix arg) 
                                          (StInt (toInteger uF_UPDATEE)))