fix

[libfirm] / ir / tv / strcalc.h

diff --git a/ir/tv/strcalc.h b/ir/tv/strcalc.h
index dedcfbf..c23307c 100644 (file)
--- a/ir/tv/strcalc.h
+++ b/ir/tv/strcalc.h
@@ -163,7 +163,7 @@ void sc_rot(const void *value1, const void *value2, int radius, int sign, void *
 const void *sc_get_buffer(void);
 int sc_get_buffer_length(void);
 
-void sign_extend(char *calc_buffer, ir_mode *mode);
+void sign_extend(void *buffer, ir_mode *mode);
 
 /** create an value form a string representation */
 void sc_val_from_str(const char *str, unsigned int len, void *buffer, ir_mode *mode);
@@ -189,6 +189,14 @@ int sc_get_lowest_set_bit(const void *value);
 int sc_is_zero(const void *value);
 int sc_is_negative(const void *value);
 int sc_had_carry(void);
+
+/**
+ * Return the bits of a tarval at a given byte-offset.
+ *
+ * @param value     the value
+ * @param len       number of valid bits in the value
+ * @param byte_ofs  the byte offset
+ */
 unsigned char sc_sub_bits(const void *value, int len, unsigned byte_ofs);
 
 /**