Fix Trac #2111: improve error handling for 'rec' in do-notation

[ghc-hetmet.git] / compiler / nativeGen / RegAllocInfo.hs

diff --git a/compiler/nativeGen/RegAllocInfo.hs b/compiler/nativeGen/RegAllocInfo.hs
index b6b2a73..2361e77 100644 (file)
--- a/compiler/nativeGen/RegAllocInfo.hs
+++ b/compiler/nativeGen/RegAllocInfo.hs
@@ -774,7 +774,7 @@ isRegRegMove (MOV _ (OpReg r1) (OpReg r2)) = Just (r1,r2)
 #elif powerpc_TARGET_ARCH
 isRegRegMove (MR dst src) = Just (src,dst)
 #else
-#warning ToDo: isRegRegMove
+#error ToDo: isRegRegMove
 #endif
 isRegRegMove _ = Nothing
 
@@ -814,7 +814,7 @@ mkSpillInstr reg delta slot
                                     RcInteger -> I32;
                                    RcFloat   -> F32;
                                     RcDouble  -> F64}}
-                        in ST sz reg (fpRel (- off_w))
+                        in ST sz reg (fpRel (negate off_w))
 #endif
 #ifdef powerpc_TARGET_ARCH
     let sz = case regClass reg of
@@ -877,6 +877,8 @@ mkRegRegMoveInstr src dst
 #endif
 #elif powerpc_TARGET_ARCH
     = MR dst src
+#else
+#error ToDo: mkRegRegMoveInstr
 #endif
 
 mkBranchInstr