From: Eddie Hung <eddie@fpgeh.com>
Date: Tue, 10 Sep 2019 21:09:21 +0000 (-0700)
Subject: Revert "Remove "opt_expr -fine" call"
X-Git-Tag: working-ls180~1039^2~153
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8514e7c32ebfb2ce35619063b1507416f01bd3b4;p=yosys.git

Revert "Remove "opt_expr -fine" call"

This reverts commit bfda921d0317bfb4cb6fc9de8a556c2258b709bc.
---

diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index af8ee2368..2cf0bd4f9 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -325,6 +325,7 @@ 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')");
+				run("opt_expr -fine", "                 (skip if '-nodsp')");
 				run("wreduce", "                        (skip if '-nodsp')");
 				run("xilinx_dsp", "                     (skip if '-nodsp')");
 				run("chtype -set $mul t:$__soft_mul","  (skip if '-nodsp')");