diff options
Diffstat (limited to 'cfrontend/Csem.v')
| -rw-r--r-- | cfrontend/Csem.v | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/cfrontend/Csem.v b/cfrontend/Csem.v index 6e35c2f0..5f8bbf14 100644 --- a/cfrontend/Csem.v +++ b/cfrontend/Csem.v @@ -40,8 +40,9 @@ Inductive is_false: val -> type -> Prop := is_false (Vint Int.zero) (Tint sz sg) | is_false_pointer: forall t, is_false (Vint Int.zero) (Tpointer t) - | is_false_float: forall sz, - is_false (Vfloat Float.zero) (Tfloat sz). + | is_false_float: forall sz f, + Float.cmp Ceq f Float.zero = true -> + is_false (Vfloat f) (Tfloat sz). Inductive is_true: val -> type -> Prop := | is_true_int_int: forall n sz sg, @@ -55,7 +56,7 @@ Inductive is_true: val -> type -> Prop := | is_true_pointer_pointer: forall b ofs t, is_true (Vptr b ofs) (Tpointer t) | is_true_float: forall f sz, - f <> Float.zero -> + Float.cmp Ceq f Float.zero = false -> is_true (Vfloat f) (Tfloat sz). Inductive bool_of_val : val -> type -> val -> Prop := |