Starting in 2013.1, the Vivado Synthesis tool does support LUT combining by default.
To disable LUT combining, use -no_lc switch either via the Synthesis settings window within VIvado IDE or by passing it to the synth_design Tcl command.
| AR# 52305 | |
|---|---|
| Date | 04/03/2013 |
| Status | Active |
| Type | Known Issues |
| Tools | |