Take advantage of Cmaskzero and Cmasknotzero.

git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1825 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 4 insertions, 1 deletions

diff --git a/backend/Selection.v b/backend/Selection.v
index 2d6c901..ef627d7 100644
--- a/backend/Selection.v
+++ b/backend/Selection.v
@@ -62,6 +62,9 @@ Definition is_compare_eq_zero (c: condition) : bool :=
   | _ => false
   end.
 
+Definition condexpr_of_expr_base (e: expr) : condexpr :=
+  let (c, args) := cond_of_expr e in CEcond c args.
+
 Fixpoint condexpr_of_expr (e: expr) : condexpr :=
   match e with
   | Eop (Ointconst n) Enil =>
@@ -78,7 +81,7 @@ Fixpoint condexpr_of_expr (e: expr) : condexpr :=
   | Econdition ce e1 e2 =>
       CEcondition ce (condexpr_of_expr e1) (condexpr_of_expr e2)
   | _ =>
-      CEcond (Ccompuimm Cne Int.zero) (e:::Enil)
+      condexpr_of_expr_base e
   end.
 
 (** Conversion of loads and stores *)