nsz Git - libfirm/blob - ir/be/mips/mips_new_nodes.c

   1 /*
   2  * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
   3  *
   4  * This file is part of libFirm.
   5  *
   6  * This file may be distributed and/or modified under the terms of the
   7  * GNU General Public License version 2 as published by the Free Software
   8  * Foundation and appearing in the file LICENSE.GPL included in the
   9  * packaging of this file.
  10  *
  11  * Licensees holding valid libFirm Professional Edition licenses may use
  12  * this file in accordance with the libFirm Commercial License.
  13  * Agreement provided with the Software.
  14  *
  15  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  16  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE.
  18  */
  19
  20 /**
  21  * @file
  22  * @brief    This file implements the creation of the architecture specific firm
  23  *           opcodes and the corresponding node constructors for the MIPS
  24  *           assembler irg.
  25  * @author   Matthias Braun, Mehdi
  26  * @version  $Id$
  27  */
  28 #include "config.h"
  29
  30 #include <stdlib.h>
  31
  32 #include "irprog_t.h"
  33 #include "irgraph_t.h"
  34 #include "irnode_t.h"
  35 #include "irmode_t.h"
  36 #include "ircons_t.h"
  37 #include "iropt_t.h"
  38 #include "irop.h"
  39 #include "irvrfy_t.h"
  40 #include "irprintf.h"
  41 #include "xmalloc.h"
  42
  43 #include "../bearch.h"
  44
  45 #include "mips_nodes_attr.h"
  46 #include "mips_new_nodes.h"
  47 #include "gen_mips_regalloc_if.h"
  48
  49
  50
  51 /***********************************************************************************
  52  *      _                                   _       _             __
  53  *     | |                                 (_)     | |           / _|
  54  *   __| |_   _ _ __ ___  _ __   ___ _ __   _ _ __ | |_ ___ _ __| |_ __ _  ___ ___
  55  *  / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__|  _/ _` |/ __/ _ \
  56  * | (_| | |_| | | | | | | |_) |  __/ |    | | | | | ||  __/ |  | || (_| | (_|  __/
  57  *  \__,_|\__,_|_| |_| |_| .__/ \___|_|    |_|_| |_|\__\___|_|  |_| \__,_|\___\___|
  58  *                       | |
  59  *                       |_|
  60  ***********************************************************************************/
  61
  62 /**
  63  * Dumper interface for dumping mips nodes in vcg.
  64  * @param F        the output file
  65  * @param n        the node to dump
  66  * @param reason   indicates which kind of information should be dumped
  67  */
  68 static void mips_dump_node(FILE *F, ir_node *n, dump_reason_t reason)
  69 {
  70         switch (reason) {
  71                 case dump_node_opcode_txt:
  72                         fprintf(F, "%s", get_irn_opname(n));
  73                         break;
  74
  75                 case dump_node_mode_txt:
  76                         break;
  77
  78                 case dump_node_nodeattr_txt:
  79
  80                         if (is_mips_Immediate(n)) {
  81                                 const mips_immediate_attr_t *attr
  82                                         = get_mips_immediate_attr_const(n);
  83                                 switch (attr->imm_type) {
  84                                 case MIPS_IMM_CONST:
  85                                         fprintf(F, " %ld ", attr->val);
  86                                         break;
  87                                 case MIPS_IMM_SYMCONST_LO:
  88                                         fprintf(F, " lo(%s", get_entity_ld_name(attr->entity));
  89                                         if (attr->val != 0) {
  90                                                 fprintf(F, "%+ld", attr->val);
  91                                         }
  92                                         fprintf(F, ") ");
  93                                         break;
  94                                 case MIPS_IMM_SYMCONST_HI:
  95                                         fprintf(F, " hi(%s", get_entity_ld_name(attr->entity));
  96                                         if (attr->val != 0) {
  97                                                 fprintf(F, "%+ld", attr->val);
  98                                         }
  99                                         fprintf(F, ") ");
 100                                         break;
 101                                 default:
 102                                         fprintf(F, " INVALID ");
 103                                         break;
 104                                 }
 105                         }
 106                         break;
 107
 108                 case dump_node_info_txt:
 109                         arch_dump_reqs_and_registers(F, n);
 110                         break;
 111         }
 112 }
 113
 114
 115
 116 /***************************************************************************************************
 117  *        _   _                   _       __        _                    _   _               _
 118  *       | | | |                 | |     / /       | |                  | | | |             | |
 119  *   __ _| |_| |_ _ __   ___  ___| |_   / /_ _  ___| |_   _ __ ___   ___| |_| |__   ___   __| |___
 120  *  / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
 121  * | (_| | |_| |_| |    \__ \  __/ |_ / / (_| |  __/ |_  | | | | | |  __/ |_| | | | (_) | (_| \__ \
 122  *  \__,_|\__|\__|_|    |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
 123  *                                        __/ |
 124  *                                       |___/
 125  ***************************************************************************************************/
 126
 127 mips_attr_t *get_mips_attr(ir_node *node)
 128 {
 129         assert(is_mips_irn(node) && "need mips node to get attributes");
 130         return (mips_attr_t *) get_irn_generic_attr(node);
 131 }
 132
 133 const mips_attr_t *get_mips_attr_const(const ir_node *node)
 134 {
 135         assert(is_mips_irn(node) && "need mips node to get attributes");
 136         return get_irn_generic_attr_const(node);
 137 }
 138
 139 const mips_immediate_attr_t *get_mips_immediate_attr_const(const ir_node *node)
 140 {
 141         assert(is_mips_irn(node) && "need mips node to get attributes");
 142         return get_irn_generic_attr_const(node);
 143 }
 144
 145 const mips_load_store_attr_t *get_mips_load_store_attr_const(
 146                 const ir_node *node)
 147 {
 148         assert(is_mips_irn(node) && "need mips node to get attributes");
 149         return get_irn_generic_attr_const(node);
 150 }
 151
 152 /**
 153  * Returns the argument register requirements of a mips node.
 154  */
 155 const arch_register_req_t **get_mips_in_req_all(const ir_node *node)
 156 {
 157         const mips_attr_t *attr = get_mips_attr_const(node);
 158         return attr->in_req;
 159 }
 160
 161 /**
 162  * Returns the argument register requirement at position pos of an mips node.
 163  */
 164 const arch_register_req_t *get_mips_in_req(const ir_node *node, int pos)
 165 {
 166         const mips_attr_t *attr = get_mips_attr_const(node);
 167         return attr->in_req[pos];
 168 }
 169
 170 /**
 171  * Sets the IN register requirements at position pos.
 172  */
 173 void set_mips_req_in(ir_node *node, const arch_register_req_t *req, int pos)
 174 {
 175         mips_attr_t *attr  = get_mips_attr(node);
 176         attr->in_req[pos] = req;
 177 }
 178
 179 /**
 180  * Initializes the nodes attributes.
 181  */
 182 static void init_mips_attributes(ir_node *node, arch_irn_flags_t flags,
 183                                  const arch_register_req_t **in_reqs,
 184                                  const be_execution_unit_t ***execution_units,
 185                                  int n_res)
 186 {
 187         ir_graph       *irg  = get_irn_irg(node);
 188         struct obstack *obst = get_irg_obstack(irg);
 189         mips_attr_t    *attr = get_mips_attr(node);
 190         backend_info_t *info;
 191         (void) execution_units;
 192
 193         arch_irn_set_flags(node, flags);
 194         attr->in_req  = in_reqs;
 195
 196         info            = be_get_info(node);
 197         info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_res);
 198         memset(info->out_infos, 0, n_res * sizeof(info->out_infos[0]));
 199 }
 200
 201 static void init_mips_immediate_attributes(ir_node *node,
 202                                            mips_immediate_type_t type,
 203                                            ir_entity *entity, long val)
 204 {
 205         mips_immediate_attr_t *attr = get_irn_generic_attr(node);
 206
 207         attr->imm_type = type;
 208         attr->entity   = entity;
 209         attr->val      = val;
 210 }
 211
 212 static void init_mips_load_store_attributes(ir_node *node, ir_entity *entity,
 213                                             long offset)
 214 {
 215         mips_load_store_attr_t *attr = get_irn_generic_attr(node);
 216         attr->stack_entity = entity;
 217         attr->offset       = offset;
 218 }
 219
 220 static int mips_compare_nodes_attr(ir_node *node_a, ir_node *node_b)
 221 {
 222         const mips_attr_t *a = get_mips_attr_const(node_a);
 223         const mips_attr_t *b = get_mips_attr_const(node_b);
 224
 225         if (a->switch_default_pn != b->switch_default_pn)
 226                 return 1;
 227
 228         return 0;
 229 }
 230
 231 static int mips_compare_immediate_attr(ir_node *node_a, ir_node *node_b)
 232 {
 233         const mips_immediate_attr_t *a = get_mips_immediate_attr_const(node_a);
 234         const mips_immediate_attr_t *b = get_mips_immediate_attr_const(node_b);
 235
 236         if (a->val != b->val)
 237                 return 1;
 238
 239         return 0;
 240 }
 241
 242 static int mips_compare_load_store_attr(ir_node *node_a, ir_node *node_b)
 243 {
 244         const mips_load_store_attr_t *a = get_mips_load_store_attr_const(node_a);
 245         const mips_load_store_attr_t *b = get_mips_load_store_attr_const(node_b);
 246
 247         if (mips_compare_nodes_attr(node_a, node_b))
 248                 return 1;
 249         if (a->stack_entity != b->stack_entity)
 250                 return 1;
 251         if (a->offset != b->offset)
 252                 return 1;
 253
 254         return 0;
 255 }
 256
 257 static void mips_copy_attr(ir_graph *irg, const ir_node *old_node,
 258                            ir_node *new_node)
 259 {
 260         struct obstack    *obst     = get_irg_obstack(irg);
 261         const mips_attr_t *attr_old = get_mips_attr_const(old_node);
 262         mips_attr_t       *attr_new = get_mips_attr(new_node);
 263         backend_info_t    *old_info = be_get_info(old_node);
 264         backend_info_t    *new_info = be_get_info(new_node);
 265
 266         /* copy the attributes */
 267         memcpy(attr_new, attr_old, get_op_attr_size(get_irn_op(old_node)));
 268
 269         /* copy out flags */
 270         new_info->out_infos =
 271                 DUP_ARR_D(reg_out_info_t, obst, old_info->out_infos);
 272 }
 273
 274 /***************************************************************************************
 275  *                  _                            _                   _
 276  *                 | |                          | |                 | |
 277  *  _ __   ___   __| | ___    ___ ___  _ __  ___| |_ _ __ _   _  ___| |_ ___  _ __ ___
 278  * | '_ \ / _ \ / _` |/ _ \  / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
 279  * | | | | (_) | (_| |  __/ | (_| (_) | | | \__ \ |_| |  | |_| | (__| || (_) | |  \__ \
 280  * |_| |_|\___/ \__,_|\___|  \___\___/|_| |_|___/\__|_|   \__,_|\___|\__\___/|_|  |___/
 281  *
 282  ***************************************************************************************/
 283
 284 /* Include the generated constructor functions */
 285 #include "gen_mips_new_nodes.c.inl"