Clean up turn_back_am(), panic on unknown arity.

[libfirm] / include / libfirm / tv.h

diff --git a/include/libfirm/tv.h b/include/libfirm/tv.h
index a5ff791..e718649 100644 (file)
--- a/include/libfirm/tv.h
+++ b/include/libfirm/tv.h
@@ -788,6 +788,12 @@ unsigned tarval_ieee754_set_immediate_precision(unsigned bits);
  */
 unsigned tarval_ieee754_get_exact(void);
 
+/**
+ * Return the size of the mantissa in bits (including possible
+ * implicit bits) for the given mode.
+ */
+unsigned tarval_ieee754_get_mantissa_size(const ir_mode *mode);
+
 /**
  * Enable/Disable floating point constant folding.
  */