diff --git a/libgcc/soft-fp/floatbitintdd.c b/libgcc/soft-fp/floatbitintdd.c
index 77c5fd75e0e..456557294e7 100644
--- a/libgcc/soft-fp/floatbitintdd.c
+++ b/libgcc/soft-fp/floatbitintdd.c
@@ -114,7 +114,7 @@ __bid_floatbitintdd (const UBILtype *i, SItype iprec)
 			   buf + BITINT_END (q_limbs - 1, 0), q_limbs);
 	  inexact = buf[q_limbs + pow10_limbs];
 	  for (j = 1; j < pow10_limbs; ++j)
-	    inexact |= buf[q_limbs + pow10_limbs + 1];
+	    inexact |= buf[q_limbs + pow10_limbs + j];
 	}
       else
 	{
diff --git a/libgcc/soft-fp/floatbitintsd.c b/libgcc/soft-fp/floatbitintsd.c
index 5c5ed6cfb7e..4901aa82af7 100644
--- a/libgcc/soft-fp/floatbitintsd.c
+++ b/libgcc/soft-fp/floatbitintsd.c
@@ -113,7 +113,7 @@ __bid_floatbitintsd (const UBILtype *i, SItype iprec)
 			   buf + BITINT_END (q_limbs - 1, 0), q_limbs);
 	  inexact = buf[q_limbs + pow10_limbs];
 	  for (j = 1; j < pow10_limbs; ++j)
-	    inexact |= buf[q_limbs + pow10_limbs + 1];
+	    inexact |= buf[q_limbs + pow10_limbs + j];
 	}
       else
 	{
diff --git a/libgcc/soft-fp/floatbitinttd.c b/libgcc/soft-fp/floatbitinttd.c
index 3bc18e20102..5fff339a867 100644
--- a/libgcc/soft-fp/floatbitinttd.c
+++ b/libgcc/soft-fp/floatbitinttd.c
@@ -113,7 +113,7 @@ __bid_floatbitinttd (const UBILtype *i, SItype iprec)
 			   buf + BITINT_END (q_limbs - 1, 0), q_limbs);
 	  inexact = buf[q_limbs + pow10_limbs];
 	  for (j = 1; j < pow10_limbs; ++j)
-	    inexact |= buf[q_limbs + pow10_limbs + 1];
+	    inexact |= buf[q_limbs + pow10_limbs + j];
 	}
       else
 	{