Use be_emit_irprintf("%T", x) instead of be_emit_tarval().

[libfirm] / ir / be / bessaconstr.c

diff --git a/ir/be/bessaconstr.c b/ir/be/bessaconstr.c
index 0cb6df9..59d03b9 100644 (file)
--- a/ir/be/bessaconstr.c
+++ b/ir/be/bessaconstr.c
@@ -245,7 +245,7 @@ static ir_node *insert_dummy_phi(be_ssa_construction_env_t *env, ir_node *block)
        for (i = 0; i < n_preds; ++i) {
                ins[i] = dummy;
        }
-       phi = be_new_Phi(block, n_preds, ins, env->mode, env->phi_cls);
+       phi = be_new_Phi(block, n_preds, ins, env->mode, env->phi_req);
        sched_add_after(block, phi);
        ARR_APP1(ir_node*, env->new_phis, phi);
 
@@ -458,6 +458,24 @@ void be_ssa_construction_destroy(be_ssa_construction_env_t *env)
        stat_ev_ctx_pop("bessaconstr");
 }
 
+static void determine_phi_req(be_ssa_construction_env_t *env, ir_node *value)
+{
+       const arch_register_req_t *req   = arch_get_irn_register_req(value);
+       env->mode = get_irn_mode(value);
+       if (req->width == 1) {
+               env->phi_req = req->cls->class_req;
+       } else {
+               /* construct a new register req... */
+               ir_graph            *irg     = get_irn_irg(value);
+               struct obstack      *obst    = be_get_be_obst(irg);
+               arch_register_req_t *new_req = OALLOCZ(obst, arch_register_req_t);
+               new_req->cls   = req->cls;
+               new_req->type  = req->type & arch_register_req_type_aligned;
+               new_req->width = req->width;
+               env->phi_req = new_req;
+       }
+}
+
 void be_ssa_construction_add_copy(be_ssa_construction_env_t *env,
                                   ir_node *copy)
 {
@@ -466,8 +484,7 @@ void be_ssa_construction_add_copy(be_ssa_construction_env_t *env,
        assert(env->iterated_domfront_calculated == 0);
 
        if (env->mode == NULL) {
-               env->mode    = get_irn_mode(copy);
-               env->phi_cls = arch_get_irn_reg_class(copy);
+               determine_phi_req(env, copy);
        } else {
                assert(env->mode == get_irn_mode(copy));
        }
@@ -488,8 +505,7 @@ void be_ssa_construction_add_copies(be_ssa_construction_env_t *env,
        assert(env->iterated_domfront_calculated == 0);
 
        if (env->mode == NULL) {
-               env->mode    = get_irn_mode(copies[0]);
-               env->phi_cls = arch_get_irn_reg_class(copies[0]);
+               determine_phi_req(env, copies[0]);
        }
 
        for (i = 0; i < copies_len; ++i) {