(exact_real_inverse): Declare.

From-SVN: r13003

diff --git a/gcc/real.h b/gcc/real.h
index 9cbc58c30650a73f7ac056592833a3b3109618ff..c57ccc1cff3383de2bd9a726cc5b7314dbdcc295 100644 (file)
--- a/gcc/real.h
+++ b/gcc/real.h
@@ -438,4 +438,7 @@ extern struct rtx_def *immed_real_const_1   PROTO((REAL_VALUE_TYPE,
 #define REAL_VALUE_TO_DECIMAL(r, fmt, s) (sprintf (s, fmt, r))
 #endif
 
+/* Replace R by 1/R in the given machine mode, if the result is exact.  */
+extern int exact_real_inverse PROTO((enum machine_mode, REAL_VALUE_TYPE *));
+
 #endif /* Not REAL_H_INCLUDED */