------- Comment #2 from hubicka at ucw dot cz 2006-11-30 14:11 -------
Subject: Re: [4.3 Regression] bcopy is wrongly converted to memcpy
Hi,
there is nice typo on the check validating the transformation. I am
testing the patch and will commit it as obvious if it passes.
Honza
Index: builtins.c
===================================================================
--- builtins.c (revision 119360)
+++ builtins.c (working copy)
@@ -8176,7 +8176,7 @@ fold_builtin_memory_op (tree arglist, tr
if (dest_align && src_align
&& (readonly_data_expr (src)
|| (host_integerp (len, 1)
- && (MIN (src_align, dest_align) / BITS_PER_UNIT <=
+ && (MIN (src_align, dest_align) / BITS_PER_UNIT >=
tree_low_cst (len, 1)))))
{
tree fn = implicit_built_in_decls[BUILT_IN_MEMCPY];
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30028
