From 76eedee08928f035f00f46304d1b49e9502401c1 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 10 Sep 2019 14:26:12 -0700 Subject: Really get rid of 'opt_expr -fine' by being explicit --- techlibs/xilinx/synth_xilinx.cc | 3 --- 1 file changed, 3 deletions(-) (limited to 'techlibs/xilinx') diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 9ad28a933..4ca8a4667 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -325,9 +325,6 @@ struct SynthXilinxPass : public ScriptPass if (!nodsp || help_mode) { // NB: Xilinx multipliers are signed only run("techmap -map +/mul2dsp.v -map +/xilinx/dsp_map.v -D DSP_A_MAXWIDTH=25 -D DSP_A_MAXWIDTH_PARTIAL=18 -D DSP_B_MAXWIDTH=18 -D DSP_SIGNEDONLY=1 -D DSP_NAME=$__MUL25X18", "(skip if '-nodsp')"); - // Necessary for optimising away $shl cells, as well as $add cells - // that have inputs with 1'b0 LSBs - run("opt_expr -fine", " (skip if '-nodsp')"); run("xilinx_dsp", " (skip if '-nodsp')"); run("chtype -set $mul t:$__soft_mul"," (skip if '-nodsp')"); } -- cgit v1.2.3