From d3a6cf3ae7ed0ce23e95db1fb1a5c6c2b72fc5a2 Mon Sep 17 00:00:00 2001 From: Adam Greig Date: Thu, 22 Apr 2021 04:56:46 +0100 Subject: Only set CIBOUT_BYP on MULTs that are not feeding an ALU. --- ecp5/bitstream.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc index 80543078..7db0e020 100644 --- a/ecp5/bitstream.cc +++ b/ecp5/bitstream.cc @@ -1171,7 +1171,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex tg.config.add_enum(dsp + ".RESETMODE", str_or_default(ci->params, ctx->id("RESETMODE"), "SYNC")); tg.config.add_enum(dsp + ".MODE", "MULT18X18D"); - if (str_or_default(ci->params, ctx->id("REG_OUTPUT_CLK"), "NONE") == "NONE") + if (str_or_default(ci->params, ctx->id("REG_OUTPUT_CLK"), "NONE") == "NONE" && ci->constr_parent == nullptr) tg.config.add_enum(dsp + ".CIBOUT_BYP", "ON"); if (loc.z < 4) -- cgit v1.2.3