conflict_t c;
DBG((dbg, LEVEL_4, "\t %+F -- %+F\n", n1, n2));
conflict_t c;
DBG((dbg, LEVEL_4, "\t %+F -- %+F\n", n1, n2));
if (n1!=n2 && nodes_interfere(qn->ou->co->cenv, n1, n2))
return 1;
/* search for recoloring conflicts */
if (n1!=n2 && nodes_interfere(qn->ou->co->cenv, n1, n2))
return 1;
/* search for recoloring conflicts */
arch_get_allocatable_regs(aenv, ou->nodes[0], -1, pos_regs);
arch_get_allocatable_regs(aenv, ou->nodes[0], -1, pos_regs);
bitset_andnot(pos_regs, ou->co->cenv->ignore_colors);
assert(bitset_popcnt(pos_regs) != 0 && "No register is allowed for this node !!?");
bitset_andnot(pos_regs, ou->co->cenv->ignore_colors);
assert(bitset_popcnt(pos_regs) != 0 && "No register is allowed for this node !!?");