Fixed reading infinity floats from strings

[libfirm] / ir / tv / fltcalc.c

diff --git a/ir/tv/fltcalc.c b/ir/tv/fltcalc.c
index 412bbd8..41a02d7 100644 (file)
--- a/ir/tv/fltcalc.c
+++ b/ir/tv/fltcalc.c
@@ -1228,6 +1228,12 @@ fp_value *fc_cast(const fp_value *value, const ieee_descriptor_t *desc, fp_value
                else
                        return fc_get_snan(desc, result);
        }
+       else if(value->desc.clss == INF) {
+               if (value->sign == 0)
+                       return fc_get_plusinf(desc, result);
+               else
+                       return fc_get_minusinf(desc, result);
+       }
 
        /* set the descriptor of the new value */
        result->desc.exponent_size = desc->exponent_size;