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memory_bram: Consider read enable for address expansion register

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-04-02 19:47:50 +01:00
parent aaa2690a56
commit 6acbc016f4
1 changed files with 2 additions and 0 deletions
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2
passes/memory/memory_bram.cc
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@ -957,6 +957,8 @@ grow_read_ports:;
SigSpec addr_ok_q = addr_ok; SigSpec addr_ok_q = addr_ok;
if ((pi.clocks || pi.make_outreg) && !addr_ok.empty()) { if ((pi.clocks || pi.make_outreg) && !addr_ok.empty()) {
addr_ok_q = module->addWire(NEW_ID); addr_ok_q = module->addWire(NEW_ID);
if (!pi.sig_en.empty())
addr_ok = module->Mux(NEW_ID, addr_ok_q, addr_ok, pi.sig_en);
module->addDff(NEW_ID, pi.sig_clock, addr_ok, addr_ok_q, pi.effective_clkpol); module->addDff(NEW_ID, pi.sig_clock, addr_ok, addr_ok_q, pi.effective_clkpol);
} }