fixed assure constraint (skip Proj)

[r12702]

diff --git a/ir/be/belower.c b/ir/be/belower.c
index 6a16a0b..c83744d 100644 (file)
--- a/ir/be/belower.c
+++ b/ir/be/belower.c
@@ -516,7 +516,7 @@ static int get_n_out_edges(const ir_node *irn) {
        return cnt;
 }
 
-static ir_node *belower_skip_proj(ir_node *irn) {
+static INLINE ir_node *belower_skip_proj(ir_node *irn) {
        while(is_Proj(irn))
                irn = get_Proj_pred(irn);
        return irn;
@@ -622,7 +622,7 @@ static void assure_different_constraints(ir_node *irn, constraint_env_t *env) {
        req = arch_get_register_req(env->birg->main_env->arch_env, irn, -1);
 
        if (arch_register_req_is(req, should_be_different)) {
-               ir_node *different_from = get_irn_n(irn, req->other_different);
+               ir_node *different_from = get_irn_n(belower_skip_proj(irn), req->other_different);
                gen_assure_different_pattern(irn, different_from, env);
        } else if (arch_register_req_is(req, should_be_different_from_all)) {
                int i, n = get_irn_arity(belower_skip_proj(irn));