Remove unncessary fromIntegral calls

compiler/cmm/CmmInfo.hs

@@ -245,7 +245,7 @@ mkLiveness uniq live =
 
     small_bitmap = case bitmap of 
 		   []  -> 0
-		   [b] -> fromIntegral b
+                   [b] -> b
 		   _   -> panic "mkLiveness"
     small_liveness =
         fromIntegral (length bits) .|. (small_bitmap `shiftL` bITMAP_BITS_SHIFT)

compiler/codeGen/CgCallConv.hs

@@ -150,7 +150,7 @@ mkLiveness name size bits
   = let
         small_bits = case bits of 
 			[]  -> 0
-			[b] -> fromIntegral b
+                        [b] -> b
 			_   -> panic "livenessToAddrMode"
     in
     return (smallLiveness size small_bits)

compiler/codeGen/CgHpc.hs

@@ -29,7 +29,7 @@ cgTickBox :: Module -> Int -> Code
 cgTickBox mod n = do
        let tick_box = (cmmIndex W64
                        (CmmLit $ CmmLabel $ mkHpcTicksLabel $ mod)
-                       (fromIntegral n)
+                       n
                       )
        stmtsC [ CmmStore tick_box
                          (CmmMachOp (MO_Add W64)

compiler/codeGen/StgCmmHpc.hs

@@ -32,7 +32,7 @@ mkTickBox mod n
   where
     tick_box = cmmIndex W64
                         (CmmLit $ CmmLabel $ mkHpcTicksLabel $ mod)
-                        (fromIntegral n)
+                        n
 
 initHpc :: Module -> HpcInfo -> FCode CmmAGraph
 -- Emit top-level tables for HPC and return code to initialise

compiler/codeGen/StgCmmLayout.hs

@@ -400,7 +400,7 @@ mkLiveness name size bits
   = let
         small_bits = case bits of 
 			[]  -> 0
-			[b] -> fromIntegral b
+                        [b] -> b
 			_   -> panic "livenessToAddrMode"
     in
     return (smallLiveness size small_bits)

compiler/ghci/ByteCodeGen.lhs

@@ -298,7 +298,7 @@ schemeER_wrk d p rhs
    | Just (tickInfo, (_annot, newRhs)) <- isTickedExp' rhs = do 
         code <- schemeE d 0 p newRhs 
         arr <- getBreakArray 
-        let idOffSets = getVarOffSets (fromIntegral d) p tickInfo 
+        let idOffSets = getVarOffSets d p tickInfo
         let tickNumber = tickInfo_number tickInfo
         let breakInfo = BreakInfo 
                         { breakInfo_module = tickInfo_module tickInfo

compiler/nativeGen/RegAlloc/Linear/PPC/FreeRegs.hs

@@ -32,8 +32,8 @@ noFreeRegs = FreeRegs 0 0
 
 releaseReg :: RealReg -> FreeRegs -> FreeRegs
 releaseReg (RealRegSingle r) (FreeRegs g f)
-    | r > 31    = FreeRegs g (f .|. (1 `shiftL` (fromIntegral r - 32)))
-    | otherwise = FreeRegs (g .|. (1 `shiftL` fromIntegral r)) f
+    | r > 31    = FreeRegs g (f .|. (1 `shiftL` (r - 32)))
+    | otherwise = FreeRegs (g .|. (1 `shiftL` r)) f
 
 releaseReg _ _
 	= panic "RegAlloc.Linear.PPC.releaseReg: bad reg"
@@ -53,8 +53,8 @@ getFreeRegs cls (FreeRegs g f)
 
 allocateReg :: RealReg -> FreeRegs -> FreeRegs
 allocateReg (RealRegSingle r) (FreeRegs g f) 
-    | r > 31    = FreeRegs g (f .&. complement (1 `shiftL` (fromIntegral r - 32)))
-    | otherwise = FreeRegs (g .&. complement (1 `shiftL` fromIntegral r)) f
+    | r > 31    = FreeRegs g (f .&. complement (1 `shiftL` (r - 32)))
+    | otherwise = FreeRegs (g .&. complement (1 `shiftL` r)) f
 
 allocateReg _ _
 	= panic "RegAlloc.Linear.PPC.allocateReg: bad reg"

compiler/nativeGen/RegAlloc/Linear/X86/FreeRegs.hs

@@ -47,7 +47,7 @@ getFreeRegs cls f = go f 0
 
 allocateReg :: RealReg -> FreeRegs -> FreeRegs
 allocateReg (RealRegSingle r) f 
-	= f .&. complement (1 `shiftL` fromIntegral r)
+        = f .&. complement (1 `shiftL` r)
 
 allocateReg _ _
 	= panic "RegAlloc.Linear.X86.FreeRegs.allocateReg: no reg"