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

* builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning. From-SVN: r163192

builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning.
* builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning. From-SVN: r163192
d2be8071 · Jakub Jelinek · Jakub Jelinek · 07fd92be · d2be8071 · d2be8071
Commit d2be8071 authored Aug 12, 2010 by Jakub Jelinek Committed by Jakub Jelinek Aug 12, 2010
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gcc/ChangeLog
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gcc/builtins.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+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

--- 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)