mirror of
https://github.com/steveicarus/iverilog.git
synced 2026-08-28 16:53:45 +02:00
By adding ivtest to the iverilog source tree, it is easier to keep the regression test synchronized with the source that is being tested. This should be especially helpful for PRs that add a new feature, and have a matching ivtest PR with the regression test for that feature.
71 lines
2.1 KiB
Verilog
71 lines
2.1 KiB
Verilog
/*
|
|
* Copyright (c) 2001 Brendan J Simon
|
|
*
|
|
* This source code is free software; you can redistribute it
|
|
* and/or modify it in source code form under the terms of the GNU
|
|
* General Public License as published by the Free Software
|
|
* Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
|
*/
|
|
|
|
//****************************************************************************
|
|
//
|
|
// MODULE : parameter_test
|
|
//
|
|
// DESCRIPTION : Test module to demonstrate parameter evaluation bug.
|
|
//
|
|
// AUTHOR : Brendan J Simon ([email protected])
|
|
//
|
|
// DATE : Monday 5th January 2001.
|
|
//
|
|
// NOTES : It seems that Icarus Verilog 0.4 does not evaluate
|
|
// moderately complex parameter statements properly.
|
|
//
|
|
//****************************************************************************
|
|
|
|
module parameter_test;
|
|
|
|
|
|
parameter foo_size = 32 * 6;
|
|
parameter foo_lsb = 0;
|
|
|
|
`ifdef GOOD_CODE
|
|
parameter foo_msb_temp = foo_lsb + foo_size;
|
|
parameter foo_msb = foo_msb_temp - 1;
|
|
`else
|
|
parameter foo_msb = foo_lsb + foo_size - 1;
|
|
`endif
|
|
|
|
|
|
// These complex statements work;
|
|
parameter temp0 = 1 + 2 + 3 + 4 + 5;
|
|
parameter temp1 = 1 + 2 + 3 + 4 + 5 - 1;
|
|
|
|
reg [foo_msb:foo_lsb] foo;
|
|
integer i;
|
|
|
|
|
|
initial begin
|
|
for (i=0; i<foo_size; i=i+1) begin
|
|
foo[i] = 1;
|
|
end
|
|
$write("foo = %0h\n", foo);
|
|
$finish(0);
|
|
end
|
|
|
|
|
|
endmodule
|
|
|
|
//****************************************************************************
|
|
// EOF : parameter_test
|
|
//****************************************************************************
|