[project @ 2000-01-25 16:57:40 by sewardj]

genCodeInfoTable: put tag value into srt_len field for constr info tables.

diff --git a/ghc/compiler/nativeGen/StixInfo.lhs b/ghc/compiler/nativeGen/StixInfo.lhs
index 61bd8ec..1bfefc3 100644 (file)
--- a/ghc/compiler/nativeGen/StixInfo.lhs
+++ b/ghc/compiler/nativeGen/StixInfo.lhs
@@ -14,7 +14,7 @@ import StgSyn         ( SRT(..) )
 import ClosureInfo     ( closurePtrsSize,
                          closureNonHdrSize, closureSMRep,
                          infoTableLabelFromCI,
-                         infoTblNeedsSRT, getSRTInfo
+                         infoTblNeedsSRT, getSRTInfo, closureSemiTag
                        )
 import PrimRep         ( PrimRep(..) )
 import SMRep           ( SMRep(..), getSMRepClosureTypeInt )
@@ -22,6 +22,7 @@ import Stix           -- all of it
 import UniqSupply      ( returnUs, UniqSM )
 import Outputable      ( int )
 import BitSet          ( intBS )
+import Maybes          ( maybeToBool )
 
 import Bits
 import Word
@@ -68,6 +69,8 @@ genCodeInfoTable (CClosureInfoAndCode cl_info _ _ cl_descr)
        srt = getSRTInfo cl_info             
 
        (srt_label,srt_len)
+           | is_constr
+           = (StInt 0, tag)
            | needs_srt
           = case srt of
                (lbl, SRT off len) -> 
@@ -76,6 +79,10 @@ genCodeInfoTable (CClosureInfoAndCode cl_info _ _ cl_descr)
            | otherwise
            = (StInt 0, 0)
 
+        maybe_tag = closureSemiTag cl_info
+        is_constr = maybeToBool maybe_tag
+        (Just tag) = maybe_tag
+
        layout_info :: Word32
 #ifdef WORDS_BIGENDIAN
        layout_info = (fromInt ptrs `shiftL` 16) .|. fromInt nptrs