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Diffstat (limited to 'testsuite/synth/issue2273/comb_mltplr_rtl.vhd')
| -rw-r--r-- | testsuite/synth/issue2273/comb_mltplr_rtl.vhd | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/testsuite/synth/issue2273/comb_mltplr_rtl.vhd b/testsuite/synth/issue2273/comb_mltplr_rtl.vhd new file mode 100644 index 000000000..8e7e52677 --- /dev/null +++ b/testsuite/synth/issue2273/comb_mltplr_rtl.vhd @@ -0,0 +1,88 @@ +------------------------------------------------------------------------------- +-- -- +-- X X XXXXXX XXXXXX XXXXXX XXXXXX X -- +-- XX XX X X X X X X X XX -- +-- X X X X X X X X X X X X -- +-- X X X X X X X X X X X X -- +-- X X X X XXXXXX X X XXXXXX X -- +-- X X X X X X X X X -- +-- X X X X X X X X X -- +-- X X X X X X X X X X -- +-- X X XXXXXX XXXXXX XXXXXX XXXXXX X -- +-- -- +-- -- +-- O R E G A N O S Y S T E M S -- +-- -- +-- Design & Consulting -- +-- -- +------------------------------------------------------------------------------- +-- -- +-- Web: http://www.oregano.at/ -- +-- -- +-- Contact: mc8051@oregano.at -- +-- -- +------------------------------------------------------------------------------- +-- -- +-- MC8051 - VHDL 8051 Microcontroller IP Core -- +-- Copyright (C) 2001 OREGANO SYSTEMS -- +-- -- +-- This library is free software; you can redistribute it and/or -- +-- modify it under the terms of the GNU Lesser General Public -- +-- License as published by the Free Software Foundation; either -- +-- version 2.1 of the License, or (at your option) any later version. -- +-- -- +-- This library 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 -- +-- Lesser General Public License for more details. -- +-- -- +-- Full details of the license can be found in the file LGPL.TXT. -- +-- -- +-- You should have received a copy of the GNU Lesser General Public -- +-- License along with this library; if not, write to the Free Software -- +-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -- +-- -- +------------------------------------------------------------------------------- +-- +-- +-- Author: Roland Höller +-- +-- Filename: comb_mltplr_rtl.vhd +-- +-- Date of Creation: Mon Aug 9 12:14:48 1999 +-- +-- Version: $Revision: 1.4 $ +-- +-- Date of Latest Version: $Date: 2002-01-07 12:17:44 $ +-- +-- +-- Description: Multiplier with parameteriseable data width. Realised +-- using combinational logic only. +-- +-- +-- +-- +------------------------------------------------------------------------------- +architecture rtl of comb_mltplr is + +begin -- rtl + + -- purpose: Multiply the multiplicand with the multiplicator. + -- type : combinational + -- inputs : dvdnd_i, dvsor_i + -- outputs: product_o + p_mltply: process (mltplctr_i, mltplcnd_i) + + variable v_product : unsigned(DWIDTH*2-1 downto 0); + + begin -- process p_divide + + v_product := conv_unsigned(unsigned(mltplctr_i) + * unsigned(mltplcnd_i),DWIDTH*2); + product_o <= std_logic_vector(v_product); + + end process p_mltply; + +end rtl; + + |