Pipeline ML-KEM datapath bottlenecks

sync_rtl/ntt/TB/xsim_run.tcl

@@ -30,12 +30,14 @@ puts "=== Compiling RTL sources ==="
 
 # Barrett modular multiplier (combinational)
 xvlog -sv ${SRC_DIR}/barrett_mul.v
+xvlog -sv ${SRC_DIR}/barrett_mul_pipe.v
 
 # Zeta ROM (combinational)
 xvlog -sv ${SRC_DIR}/zeta_rom.v
 
 # Butterfly unit (combinational, instantiates barrett_mul)
 xvlog -sv ${SRC_DIR}/butterfly_unit.v
+xvlog -sv ${SRC_DIR}/butterfly_unit_pipe.v
 
 # NTT core (FSM-based, instantiates butterfly_unit + zeta_rom + barrett_mul)
 xvlog -sv ${SRC_DIR}/ntt_core.v