panic() instead of assert(0).

[libfirm] / ir / stat / const_stat.c

diff --git a/ir/stat/const_stat.c b/ir/stat/const_stat.c
index fc2c210..ffa88a3 100644 (file)
--- a/ir/stat/const_stat.c
+++ b/ir/stat/const_stat.c
@@ -75,10 +75,12 @@ static float_classify_t classify_float_value(tarval *tv) {
        else if (tarval_is_finite(tv) && tarval_ieee754_zero_mantissa(tv)) {
                int exp = tarval_ieee754_get_exponent(tv);
 
-               if (exp == 1)
-                       return STAT_FC_2;
-               else if (exp == -1)
-                       return STAT_FC_0_5;
+               if (! tarval_is_negative(tv)) {
+                       if (exp == 1)
+                               return STAT_FC_2;
+                       else if (exp == -1)
+                               return STAT_FC_0_5;
+               }
                return STAT_FC_POWER_OF_TWO;
        }
        return STAT_FC_OTHER;