diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c181a54de8e..f2df6f65525 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-101-24  Paul Koning  <ni1d@arrl.net>
+
+	* builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
+	WORDS_BIG_ENDIAN. 
+
 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR target/46519
diff --git a/gcc/builtins.c b/gcc/builtins.c
index ec0aecf98ea..5b7b673f90e 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -605,7 +605,7 @@ c_readstr (const char *str, enum machine_mode mode)
       if (WORDS_BIG_ENDIAN)
 	j = GET_MODE_SIZE (mode) - i - 1;
       if (BYTES_BIG_ENDIAN != WORDS_BIG_ENDIAN
-	  && GET_MODE_SIZE (mode) > UNITS_PER_WORD)
+	  && GET_MODE_SIZE (mode) >= UNITS_PER_WORD)
 	j = j + UNITS_PER_WORD - 2 * (j % UNITS_PER_WORD) - 1;
       j *= BITS_PER_UNIT;
       gcc_assert (j < 2 * HOST_BITS_PER_WIDE_INT);