gdb/tui: Link source and assembler scrolling .... again

[deliverable/binutils-gdb.git] / gas / atof-generic.c

diff --git a/gas/atof-generic.c b/gas/atof-generic.c
index 345ccef2c1c32c7acbf98acca48109f2ae62adcc..6dfd61bb81df6c9030e3f2d702f5b42eb87684c8 100644 (file)
--- a/gas/atof-generic.c
+++ b/gas/atof-generic.c
@@ -1,5 +1,5 @@
 /* atof_generic.c - turn a string of digits into a Flonum
-   Copyright (C) 1987-2019 Free Software Foundation, Inc.
+   Copyright (C) 1987-2020 Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -347,11 +347,12 @@ atof_generic (/* return pointer to just AFTER number we read.  */
                   - address_of_generic_floating_point_number->low
                   + 1);        /* Number of destination littlenums.  */
 
-      /* Includes guard bits (two littlenums worth) */
-      maximum_useful_digits = (((precision - 2))
-                              * ( (LITTLENUM_NUMBER_OF_BITS))
-                              * 1000000 / 3321928)
-       + 2;                    /* 2 :: guard digits.  */
+      /* precision includes two littlenums worth of guard bits,
+        so this gives us 10 decimal guard digits here.  */
+      maximum_useful_digits = (precision
+                              * LITTLENUM_NUMBER_OF_BITS
+                              * 1000000 / 3321928
+                              + 1);    /* round up.  */
 
       if (number_of_digits_available > maximum_useful_digits)
        {