- first real peephole optimisation mov 0, reg -> xor reg, reg when we don't

[libfirm] / ir / be / ia32 / ia32_transform.c

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index 2b93190..901befc 100644 (file)
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -330,10 +330,6 @@ static ir_node *gen_Const(ir_node *node) {
 
                cnst = new_rd_ia32_Const(dbgi, irg, block, NULL, 0, val);
                SET_IA32_ORIG_NODE(cnst, ia32_get_old_node_name(env_cg, node));
-               if(val == 0) {
-                       set_ia32_flags(cnst,
-                                      get_ia32_flags(cnst) | arch_irn_flags_modify_flags);
-               }
 
                /* see above */
                if (get_irg_start_block(irg) == block) {