assert(cls == env->cls);
- op->regs = bitset_obstack_alloc(obst, env->cls->n_regs);
-
if (type & arch_register_req_type_limited) {
- rbitset_copy_to_bitset(req->limited, op->regs);
+ bitset_t *regs = bitset_obstack_alloc(obst, env->cls->n_regs);
+ rbitset_copy_to_bitset(req->limited, regs);
+ op->regs = regs;
} else {
- arch_put_non_ignore_regs(env->cls, op->regs);
- if (env->ignore_colors)
- bitset_andnot(op->regs, env->ignore_colors);
+ op->regs = env->allocatable_regs;
}
}
return insn;
}
-
-be_insn_env_t *be_insn_env_init(be_insn_env_t *ie, ir_graph *irg,
- const arch_register_class_t *cls,
- struct obstack *obst)
-{
- ie->cls = cls;
- ie->obst = obst;
- ie->ignore_colors = bitset_obstack_alloc(obst, cls->n_regs);
- be_abi_put_ignore_regs(be_get_irg_abi(irg), cls, ie->ignore_colors);
-
- return ie;
-}