[Arch] Force empty tiles at corners for tileable I/O arch example
<row type="io" starty="H-2" priority="100"/>
<!-- A column of I/O in the W-2 column -->
<col type="io" startx="W-2" priority="100"/>
+ <!-- Bottom-left corner should be empty -->
+ <single type="EMPTY" x="0" y="0" priority="101"/>
+ <!-- Top-left corner should be empty -->
+ <single type="EMPTY" x="0" y="H-2" priority="101"/>
+ <!-- Bottom-right corner should be empty -->
+ <single type="EMPTY" x="W-2" y="0" priority="101"/>
<!--Fill with 'clb'-->
<fill type="clb" priority="10"/>
</auto_layout>
<row type="io" starty="H-2" priority="100"/>
<!-- A column of I/O in the W-2 column -->
<col type="io" startx="W-2" priority="100"/>
+ <!-- Bottom-left corner should be empty -->
+ <single type="EMPTY" x="0" y="0" priority="101"/>
+ <!-- Top-left corner should be empty -->
+ <single type="EMPTY" x="0" y="H-2" priority="101"/>
+ <!-- Bottom-right corner should be empty -->
+ <single type="EMPTY" x="W-2" y="0" priority="101"/>
<!--Fill with 'clb'-->
<fill type="clb" priority="10"/>
</fixed_layout>
