https://sourceforge.net/p/libhdlfltp/bugs/Recent changes to bugsenSat, 18 Apr 2009 13:17:36 -0000https://sourceforge.net/p/libhdlfltp/bugs/1/<div class="markdown_content"><p>When I tried to compile the projest using the libhdlfltp witgh Quartus 8.0, I've got the following errors:</p> <p>Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[8]" at syn_arit.vhd(1111)<br /> Error (10029): Constant driver at syn_arit.vhd(1111)<br /> Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[7]" at syn_arit.vhd(1111)<br /> Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[6]" at syn_arit.vhd(1111)<br /> Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[5]" at syn_arit.vhd(1111)<br /> Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[4]" at syn_arit.vhd(1111)<br /> Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[3]" at syn_arit.vhd(1111)<br /> Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[2]" at syn_arit.vhd(1111)<br /> Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[1]" at syn_arit.vhd(1111)<br /> Error (10028): Can't resolve multiple constant drivers for net "eRn1_11[0]" at syn_arit.vhd(1111)<br /> Error: Can't elaborate user hierarchy "Mul_Clk:FPMul_1|FPMul_Clk:\wreg:mulreg"<br /> Error: Quartus II Analysis &amp; Synthesis was unsuccessful. 11 errors, 17 warnings<br /> Error: Processing ended: Sat Apr 18 15:11:31 2009<br /> Error: Elapsed time: 00:00:04<br /> Error: Total CPU time (on all processors): 00:00:04<br /> Error: Quartus II Full Compilation was unsuccessful. 12 errors, 17 warning</p> <p>Tracking down the problem, I have found that the reason is the duplicate line in file pkg_libhdlm/fpmul_clk.vhd<br /> It contains two identical lines:</p> <p>line 102: eRn1_11 &lt;= eRn0_11 - ("00" &amp; (wE-2 downto 1 =&gt; '1') &amp; (not fRn0_11(2*wF+1)));<br /> line 107: eRn1_11 &lt;= eRn0_11 - ("00" &amp; (wE-2 downto 1 =&gt; '1') &amp; (not fRn0_11(2*wF+1)));</p> <p>When I commented out the second line, project compiled cleanly.<br /> What's interesting, is that the same source without modifications compiled succesfully with Xilinx ISE.</p></div>AnonymousSat, 18 Apr 2009 13:17:36 -0000https://sourceforge.net7f796a08f2ab481e8e20e5c13e175142b413b122