显示的warning如下:
Options: timingDriven clkGateAware ignoreScan ignoreSpare pinGuide gp=slow
Begin checking placement ...
Overlapping with other instance: 2
Orientation Violation: 1
Placement Blockage Violation: 1
*info: Placed = 26575
*info: Unplaced = 0
Placement Density:60.03%(804332/1339785)
*ERROR*: Found placement violations in postRoute mode
*Info*: Fix the placement violations and reroute the design
*Info*: Command refinePlace may be used to fix the placement violations
根据提示需要做 refinePlace ,但是refinePlace不能解决问题。