1626 TIME_LINEAR_SCAN(timer_allocate_registers); |
1626 TIME_LINEAR_SCAN(timer_allocate_registers); |
1627 |
1627 |
1628 Interval* precolored_cpu_intervals, *not_precolored_cpu_intervals; |
1628 Interval* precolored_cpu_intervals, *not_precolored_cpu_intervals; |
1629 Interval* precolored_fpu_intervals, *not_precolored_fpu_intervals; |
1629 Interval* precolored_fpu_intervals, *not_precolored_fpu_intervals; |
1630 |
1630 |
1631 create_unhandled_lists(&precolored_cpu_intervals, ¬_precolored_cpu_intervals, is_precolored_cpu_interval, is_virtual_cpu_interval); |
|
1632 if (has_fpu_registers()) { |
|
1633 create_unhandled_lists(&precolored_fpu_intervals, ¬_precolored_fpu_intervals, is_precolored_fpu_interval, is_virtual_fpu_interval); |
|
1634 #ifdef ASSERT |
|
1635 } else { |
|
1636 // fpu register allocation is omitted because no virtual fpu registers are present |
|
1637 // just check this again... |
|
1638 create_unhandled_lists(&precolored_fpu_intervals, ¬_precolored_fpu_intervals, is_precolored_fpu_interval, is_virtual_fpu_interval); |
|
1639 assert(not_precolored_fpu_intervals == Interval::end(), "missed an uncolored fpu interval"); |
|
1640 #endif |
|
1641 } |
|
1642 |
|
1643 // allocate cpu registers |
1631 // allocate cpu registers |
|
1632 create_unhandled_lists(&precolored_cpu_intervals, ¬_precolored_cpu_intervals, |
|
1633 is_precolored_cpu_interval, is_virtual_cpu_interval); |
|
1634 |
|
1635 // allocate fpu registers |
|
1636 create_unhandled_lists(&precolored_fpu_intervals, ¬_precolored_fpu_intervals, |
|
1637 is_precolored_fpu_interval, is_virtual_fpu_interval); |
|
1638 |
|
1639 // the fpu interval allocation cannot be moved down below with the fpu section as |
|
1640 // the cpu_lsw.walk() changes interval positions. |
|
1641 |
1644 LinearScanWalker cpu_lsw(this, precolored_cpu_intervals, not_precolored_cpu_intervals); |
1642 LinearScanWalker cpu_lsw(this, precolored_cpu_intervals, not_precolored_cpu_intervals); |
1645 cpu_lsw.walk(); |
1643 cpu_lsw.walk(); |
1646 cpu_lsw.finish_allocation(); |
1644 cpu_lsw.finish_allocation(); |
1647 |
1645 |
1648 if (has_fpu_registers()) { |
1646 if (has_fpu_registers()) { |
1649 // allocate fpu registers |
|
1650 LinearScanWalker fpu_lsw(this, precolored_fpu_intervals, not_precolored_fpu_intervals); |
1647 LinearScanWalker fpu_lsw(this, precolored_fpu_intervals, not_precolored_fpu_intervals); |
1651 fpu_lsw.walk(); |
1648 fpu_lsw.walk(); |
1652 fpu_lsw.finish_allocation(); |
1649 fpu_lsw.finish_allocation(); |
1653 } |
1650 } |
1654 } |
1651 } |