// ========== Copyright Header Begin ========================================== // // OpenSPARC T1 Processor File: sparc_tlu_zcmp64.v // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. // // The above named program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public // License version 2 as published by the Free Software Foundation. // // The above named 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 work; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. // // ========== Copyright Header End ============================================ //////////////////////////////////////////////////////////////////////// /* // Module Name: sparc_tlu_zcmp64 // Description: // 64b zero compare */ module sparc_tlu_zcmp64(/*AUTOARG*/ // Outputs zero, // Inputs in ); input [63:0] in; output zero; reg zero; always @ (in) begin if (in == 64'b0) zero = 1'b1; else zero = 1'b0; end endmodule // sparc_tlu_dec64