X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ir%2Flower%2Flower_mode_b.h;h=3454b5567594ceefea07b302f4fe7a9d4500f62a;hb=8aca33381b3dea1ef0bb6c120f59989075c438d1;hp=9f863253ff60dcd87deeb939ebd0d4a2db88b19d;hpb=f8c684c7e7d9b2ce9fc213f396cfb1ffa5c573ab;p=libfirm diff --git a/ir/lower/lower_mode_b.h b/ir/lower/lower_mode_b.h index 9f863253f..3454b5567 100644 --- a/ir/lower/lower_mode_b.h +++ b/ir/lower/lower_mode_b.h @@ -1,27 +1,12 @@ /* - * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved. - * * This file is part of libFirm. - * - * This file may be distributed and/or modified under the terms of the - * GNU General Public License version 2 as published by the Free Software - * Foundation and appearing in the file LICENSE.GPL included in the - * packaging of this file. - * - * Licensees holding valid libFirm Professional Edition licenses may use - * this file in accordance with the libFirm Commercial License. - * Agreement provided with the Software. - * - * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE - * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE. + * Copyright (C) 2012 University of Karlsruhe. */ /** * @file * @brief lower mode_b operations to something the backend can handle * @author Matthias Braun, Christoph Mallon - * @version $Id$ * * Most machines can't really manipulate mode_b values (which are usually * modeled as cpu flags). So you often have to convert them into machine words @@ -37,28 +22,6 @@ #include "firm_types.h" -/** - * Function which creates a "set" instraction. A "set" instruction takes a - * condition value (a value with mode_b) as input and produces a value in a - * general purpose integer mode. - * Most architectures have special intrinsics for this. But if all else fails - * you can just produces the an if-like construct. - */ -typedef ir_node* (*create_set_func)(ir_node *cond); - -/** - * implementation of create_set_func which produces a cond with control - * flow - */ -ir_node *ir_create_cond_set(ir_node *cond, ir_mode *dest_mode); - -typedef struct lower_mode_b_config_t { - /* mode that is used to transport 0/1 values */ - ir_mode *lowered_mode; - /* callback for creating set-like instructions */ - create_set_func create_set; -} lower_mode_b_config_t; - /** * Lowers mode_b operations to integer arithmetic. After the lowering the only * operations with mode_b are the Projs of Cmps; the only nodes with mode_b @@ -66,9 +29,9 @@ typedef struct lower_mode_b_config_t { * * Example: Psi(a < 0, 1, 0) => a >> 31 * - * @param irg the firm graph to lower - * @param config configuration for mode_b lowerer + * @param irg the firm graph to lower + * @param lowered_mode mode that is used to transport 0/1 values */ -void ir_lower_mode_b(ir_graph *irg, const lower_mode_b_config_t *config); +void ir_lower_mode_b(ir_graph *irg, ir_mode *lowered_mode); #endif