+tarval *get_tarval_minus_inf(ir_mode *mode)
+{
+ ANNOUNCE();
+ assert(mode);
+
+ if (get_mode_n_vector_elems(mode) > 1) {
+ /* vector arithmetic not implemented yet */
+ return tarval_bad;
+ }
+
+ if (get_mode_sort(mode) == irms_float_number) {
+ switch(get_mode_size_bits(mode))
+ {
+ case 32:
+ fc_get_minusinf(8, 23, NULL);
+ break;
+ case 64:
+ fc_get_minusinf(11, 52, NULL);
+ break;
+ case 80:
+ fc_get_minusinf(15, 64, NULL);
+ break;
+ }
+ return get_tarval(fc_get_buffer(), fc_get_buffer_length(), mode);
+ }
+ else {
+ assert(0 && "tarval is not floating point");
+ return tarval_bad;
+ }
+}
+