diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2a8c140182..69dbe9f078 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2000-05-03  Ian Lance Taylor  <ian@zembu.com>
+
+	* config/atof-ieee.c (gen_to_words): When adding carry back in,
+	don't permit lp to become less than the words array.
+
 2000-05-03  Rodney Brown  <RodneyBrown@pmsc.com>
 
 	config/tc-mcore.c (md_apply_fix3): BFD_RELOC_MCORE_PCREL_IMM11BY2
diff --git a/gas/config/atof-ieee.c b/gas/config/atof-ieee.c
index dcda1bcb6a..2e3c0dc6d0 100644
--- a/gas/config/atof-ieee.c
+++ b/gas/config/atof-ieee.c
@@ -1,5 +1,5 @@
 /* atof_ieee.c - turn a Flonum into an IEEE floating point number
-   Copyright (C) 1987, 92, 93, 94, 95, 96, 97, 98, 1999
+   Copyright (C) 1987, 92, 93, 94, 95, 96, 97, 98, 99, 2000
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -624,11 +624,13 @@ gen_to_words (words, precision, exponent_bits)
 	 don't get a sticky sign bit after shifting right, and that
 	 permits us to propagate the carry without any masking of bits.
 	 #endif */
-      for (carry = 1, lp--; carry && (lp >= words); lp--)
+      for (carry = 1, lp--; carry; lp--)
 	{
 	  carry = *lp + carry;
 	  *lp = carry;
 	  carry >>= LITTLENUM_NUMBER_OF_BITS;
+	  if (lp == words)
+	    break;
 	}
       if (precision == X_PRECISION && exponent_bits == 15)
 	{