merge upstream HEAD

[ghc-hetmet.git] / compiler / cmm / PprC.hs

diff --git a/compiler/cmm/PprC.hs b/compiler/cmm/PprC.hs
index ca6fa74..d363cef 100644 (file)
--- a/compiler/cmm/PprC.hs
+++ b/compiler/cmm/PprC.hs
@@ -105,18 +105,19 @@ pprTop (CmmProc info clbl (ListGraph blocks)) =
         then pprDataExterns info $$
              pprWordArray (entryLblToInfoLbl clbl) info
         else empty) $$
-    (case blocks of
-        [] -> empty
-         -- the first block doesn't get a label:
-        (BasicBlock _ stmts : rest) -> vcat [
+    (vcat [
           blankLine,
           extern_decls,
            (if (externallyVisibleCLabel clbl)
                     then mkFN_ else mkIF_) (pprCLabel clbl) <+> lbrace,
            nest 8 temp_decls,
            nest 8 mkFB_,
-           nest 8 (vcat (map pprStmt stmts)) $$
-              vcat (map pprBBlock rest),
+           case blocks of
+               [] -> empty
+               -- the first block doesn't get a label:
+               (BasicBlock _ stmts : rest) ->
+                    nest 8 (vcat (map pprStmt stmts)) $$
+                       vcat (map pprBBlock rest),
            nest 8 mkFE_,
            rbrace ]
     )
@@ -247,7 +248,7 @@ pprStmt stmt = case stmt of
                 | CmmNeverReturns <- ret ->
                     let myCall = pprCall (pprCLabel lbl) cconv results args safety
                     in (real_fun_proto lbl, myCall)
-                | not (isMathFun lbl) ->
+                | not (isMathFun lbl || isCas lbl) ->
                     let myCall = braces (
                                      pprCFunType (char '*' <> text "ghcFunPtr") cconv results args <> semi
                                   $$ text "ghcFunPtr" <+> equals <+> cast_fn <> semi