fix last commit

[r26932]

diff --git a/ir/lower/lower_dw.c b/ir/lower/lower_dw.c
index e52cd3d..f751108 100644 (file)
--- a/ir/lower/lower_dw.c
+++ b/ir/lower/lower_dw.c
@@ -1472,7 +1472,8 @@ static void lower_Conv_to_Ll(ir_node *node, lower_env_t *env)
        assert(idx < env->n_entries);
 
        if (mode_is_int(imode) || mode_is_reference(imode)) {
-               if (get_mode_size_bits(imode) == get_mode_size_bits(omode)) {
+               if (imode == env->params->high_signed
+                               || imode == env->params->high_unsigned) {
                        /* a Conv from Lu to Ls or Ls to Lu */
                        int           op_idx   = get_irn_idx(op);
                        node_entry_t *op_entry = env->entries[op_idx];
@@ -1495,6 +1496,8 @@ static void lower_Conv_to_Ll(ir_node *node, lower_env_t *env)
                        if (mode_is_signed(imode)) {
                                int      c       = get_mode_size_bits(low_signed) - 1;
                                ir_node *cnst    = new_Const_long(low_unsigned, c);
+                               if (get_irn_mode(op) != low_signed)
+                                       op = new_rd_Conv(dbg, block, op, low_signed);
                                entry->high_word = new_rd_Shrs(dbg, block, op, cnst,
                                                               low_signed);
                        } else {