+ mwid = self.o.z.m_width
+ msb_a = FPMSBHigh(mwid, len(insel_a.e))
+ msb_b = FPMSBHigh(mwid, len(insel_b.e))
+ m.submodules.norm_pe_a = msb_a
+ m.submodules.norm_pe_b = msb_b
+
+ # connect to msb_a/b module
+ m.d.comb += msb_a.m_in.eq(insel_a.m)
+ m.d.comb += msb_a.e_in.eq(insel_a.e)
+ m.d.comb += msb_b.m_in.eq(insel_b.m)
+ m.d.comb += msb_b.e_in.eq(insel_b.e)
+