builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning.

	* builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare
	warning.

From-SVN: r163192

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8e062b9d55aa4c4d4377c8d3c9fe9ee0810b76fe..09da08d61763a45433a56bef14f52f93ddf4c42c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-08-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare
+       warning.
+
 2010-08-12  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/45232

diff --git a/gcc/builtins.c b/gcc/builtins.c
index ad5d6aae048f738b9e667687534c93d12d1f06d3..9a79adbece27beb3bedd20af54a52913382343bf 100644 (file)
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -8399,7 +8399,7 @@ fold_builtin_memory_op (location_t loc, tree dest, tree src,
          if (readonly_data_expr (src)
              || (host_integerp (len, 1)
                  && (MIN (src_align, dest_align) / BITS_PER_UNIT
-                     >= tree_low_cst (len, 1))))
+                     >= (unsigned HOST_WIDE_INT) tree_low_cst (len, 1))))
            {
              tree fn = implicit_built_in_decls[BUILT_IN_MEMCPY];
              if (!fn)