Remove write-only bitset.

[r24958]

diff --git a/ir/be/beabi.c b/ir/be/beabi.c
index 8c0b9b5..0b7625c 100644 (file)
--- a/ir/be/beabi.c
+++ b/ir/be/beabi.c
@@ -1710,7 +1710,6 @@ static void modify_irg(be_abi_irg_t *env)
        lower_frame_sels_env_t ctx;
        ir_entity **param_map;
 
-       bitset_t *used_proj_nr;
        DEBUG_ONLY(firm_dbg_module_t *dbg = env->dbg;)
 
        DBG((dbg, LEVEL_1, "introducing abi on %+F\n", irg));
@@ -1741,9 +1740,8 @@ static void modify_irg(be_abi_irg_t *env)
 
        env->regs  = pmap_create();
 
-       used_proj_nr = bitset_alloca(1024);
-       n_params     = get_method_n_params(method_type);
-       args         = obstack_alloc(&env->obst, n_params * sizeof(args[0]));
+       n_params = get_method_n_params(method_type);
+       args     = obstack_alloc(&env->obst, n_params * sizeof(args[0]));
        memset(args, 0, n_params * sizeof(args[0]));
 
        /* Check if a value parameter is transmitted as a register.
@@ -1783,7 +1781,6 @@ static void modify_irg(be_abi_irg_t *env)
 
                        /* For now, associate the register with the old Proj from Start representing that argument. */
                        pmap_insert(env->regs, (void *) arg->reg, args[i]);
-                       bitset_set(used_proj_nr, i);
                        DBG((dbg, LEVEL_2, "\targ #%d -> reg %s\n", i, arg->reg->name));
                }
        }
@@ -1826,7 +1823,6 @@ static void modify_irg(be_abi_irg_t *env)
                        add_type |= arch_register_req_type_produces_sp | arch_register_req_type_ignore;
 
                assert(nr >= 0);
-               bitset_set(used_proj_nr, nr);
                proj = new_r_Proj(irg, reg_params_bl, env->reg_params, mode, nr);
                pmap_insert(env->regs, (void *) reg, proj);
                be_set_constr_single_reg_out(env->reg_params, nr, reg, add_type);