From: Matthijs Kooijman <matthijs@stdin.nl>
Date: Thu, 24 Jun 2010 12:02:25 +0000 (+0200)
Subject: Really revert all of the recent rotating changes.
X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Fc%CE%BBash.git;a=commitdiff_plain

Really revert all of the recent rotating changes.

Some minor structural and comment changes were left, no functional
changes, though.
---

diff --git a/clash/CLasH/VHDL/Generate.hs b/clash/CLasH/VHDL/Generate.hs
index b6aa8c6..c56bdbe 100644
--- a/clash/CLasH/VHDL/Generate.hs
+++ b/clash/CLasH/VHDL/Generate.hs
@@ -310,9 +310,8 @@ mkConcSm (bndr, expr@(CoreSyn.Case (CoreSyn.Var scrut) _ _ alts)) = do
   -- Compare the (constructor field of the) scrutinee with each of the
   -- alternatives.
   let cond_exprs = map (\x -> cmp AST.:=: x) altcons
-  -- Rotate expressions to the leftso that the expression related to the default case is the last
-  let alts' = (tail alts) ++ [head alts]
-  exprs <- MonadState.lift tsType $ mapM (varToVHDLExpr . (\(_,_,CoreSyn.Var expr) -> expr)) alts' --((tail alts) ++ [head alts])
+  -- Rotate expressions to the left, so that the expression related to the default case is the last
+  exprs <- MonadState.lift tsType $ mapM (varToVHDLExpr . (\(_,_,CoreSyn.Var expr) -> expr)) ((tail alts) ++ [head alts])
   return ([mkAltsAssign (Left bndr) cond_exprs exprs], [])
 
 mkConcSm (_, CoreSyn.Case _ _ _ _) = error "\nVHDL.mkConcSm: Not in normal form: Case statement does not have a simple variable as scrutinee"