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 n        the node to dump
  65  * @param F        the output file
  66  * @param reason   indicates which kind of information should be dumped
  67  * @return 0 on success or != 0 on failure
  68  */
  69 static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason)
  70 {
  71         switch (reason) {
  72                 case dump_node_opcode_txt:
  73                         fprintf(F, "%s", get_irn_opname(n));
  74                         break;
  75
  76                 case dump_node_mode_txt:
  77                         break;
  78
  79                 case dump_node_nodeattr_txt:
  80
  81                         if(is_mips_Immediate(n)) {
  82                                 const mips_immediate_attr_t *attr
  83                                         = get_mips_immediate_attr_const(n);
  84                                 switch(attr->imm_type) {
  85                                 case MIPS_IMM_CONST:
  86                                         fprintf(F, " %ld ", attr->val);
  87                                         break;
  88                                 case MIPS_IMM_SYMCONST_LO:
  89                                         fprintf(F, " lo(%s", get_entity_ld_name(attr->entity));
  90                                         if(attr->val != 0) {
  91                                                 fprintf(F, "%+ld", attr->val);
  92                                         }
  93                                         fprintf(F, ") ");
  94                                         break;
  95                                 case MIPS_IMM_SYMCONST_HI:
  96                                         fprintf(F, " hi(%s", get_entity_ld_name(attr->entity));
  97                                         if(attr->val != 0) {
  98                                                 fprintf(F, "%+ld", attr->val);
  99                                         }
 100                                         fprintf(F, ") ");
 101                                         break;
 102                                 default:
 103                                         fprintf(F, " INVALID ");
 104                                         break;
 105                                 }
 106                         }
 107                         break;
 108
 109                 case dump_node_info_txt:
 110                         arch_dump_reqs_and_registers(F, n);
 111                         break;
 112         }
 113
 114         return 0;
 115 }
 116
 117
 118
 119 /***************************************************************************************************
 120  *        _   _                   _       __        _                    _   _               _
 121  *       | | | |                 | |     / /       | |                  | | | |             | |
 122  *   __ _| |_| |_ _ __   ___  ___| |_   / /_ _  ___| |_   _ __ ___   ___| |_| |__   ___   __| |___
 123  *  / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
 124  * | (_| | |_| |_| |    \__ \  __/ |_ / / (_| |  __/ |_  | | | | | |  __/ |_| | | | (_) | (_| \__ \
 125  *  \__,_|\__|\__|_|    |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
 126  *                                        __/ |
 127  *                                       |___/
 128  ***************************************************************************************************/
 129
 130 mips_attr_t *get_mips_attr(ir_node *node)
 131 {
 132         assert(is_mips_irn(node) && "need mips node to get attributes");
 133         return (mips_attr_t *) get_irn_generic_attr(node);
 134 }
 135
 136 const mips_attr_t *get_mips_attr_const(const ir_node *node)
 137 {
 138         assert(is_mips_irn(node) && "need mips node to get attributes");
 139         return get_irn_generic_attr_const(node);
 140 }
 141
 142 const mips_immediate_attr_t *get_mips_immediate_attr_const(const ir_node *node)
 143 {
 144         assert(is_mips_irn(node) && "need mips node to get attributes");
 145         return get_irn_generic_attr_const(node);
 146 }
 147
 148 const mips_load_store_attr_t *get_mips_load_store_attr_const(
 149                 const ir_node *node)
 150 {
 151         assert(is_mips_irn(node) && "need mips node to get attributes");
 152         return get_irn_generic_attr_const(node);
 153 }
 154
 155 /**
 156  * Returns the argument register requirements of a mips node.
 157  */
 158 const arch_register_req_t **get_mips_in_req_all(const ir_node *node)
 159 {
 160         const mips_attr_t *attr = get_mips_attr_const(node);
 161         return attr->in_req;
 162 }
 163
 164 /**
 165  * Returns the argument register requirement at position pos of an mips node.
 166  */
 167 const arch_register_req_t *get_mips_in_req(const ir_node *node, int pos)
 168 {
 169         const mips_attr_t *attr = get_mips_attr_const(node);
 170         return attr->in_req[pos];
 171 }
 172
 173 /**
 174  * Sets the IN register requirements at position pos.
 175  */
 176 void set_mips_req_in(ir_node *node, const arch_register_req_t *req, int pos)
 177 {
 178         mips_attr_t *attr  = get_mips_attr(node);
 179         attr->in_req[pos] = req;
 180 }
 181
 182 /**
 183  * Initializes the nodes attributes.
 184  */
 185 static void init_mips_attributes(ir_node *node, arch_irn_flags_t flags,
 186                                  const arch_register_req_t **in_reqs,
 187                                  const be_execution_unit_t ***execution_units,
 188                                  int n_res)
 189 {
 190         ir_graph       *irg  = get_irn_irg(node);
 191         struct obstack *obst = get_irg_obstack(irg);
 192         mips_attr_t    *attr = get_mips_attr(node);
 193         backend_info_t *info;
 194         (void) execution_units;
 195
 196         arch_irn_set_flags(node, flags);
 197         attr->in_req  = in_reqs;
 198
 199         info            = be_get_info(node);
 200         info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_res);
 201         memset(info->out_infos, 0, n_res * sizeof(info->out_infos[0]));
 202 }
 203
 204 static void init_mips_immediate_attributes(ir_node *node,
 205                                            mips_immediate_type_t type,
 206                                            ir_entity *entity, long val)
 207 {
 208         mips_immediate_attr_t *attr = get_irn_generic_attr(node);
 209
 210         attr->imm_type = type;
 211         attr->entity   = entity;
 212         attr->val      = val;
 213 }
 214
 215 static void init_mips_load_store_attributes(ir_node *node, ir_entity *entity,
 216                                             long offset)
 217 {
 218         mips_load_store_attr_t *attr = get_irn_generic_attr(node);
 219         attr->stack_entity = entity;
 220         attr->offset       = offset;
 221 }
 222
 223 static int mips_compare_nodes_attr(ir_node *node_a, ir_node *node_b)
 224 {
 225         const mips_attr_t *a = get_mips_attr_const(node_a);
 226         const mips_attr_t *b = get_mips_attr_const(node_b);
 227
 228         if(a->switch_default_pn != b->switch_default_pn)
 229                 return 1;
 230
 231         return 0;
 232 }
 233
 234 static int mips_compare_immediate_attr(ir_node *node_a, ir_node *node_b)
 235 {
 236         const mips_immediate_attr_t *a = get_mips_immediate_attr_const(node_a);
 237         const mips_immediate_attr_t *b = get_mips_immediate_attr_const(node_b);
 238
 239         if(a->val != b->val)
 240                 return 1;
 241
 242         return 0;
 243 }
 244
 245 static int mips_compare_load_store_attr(ir_node *node_a, ir_node *node_b)
 246 {
 247         const mips_load_store_attr_t *a = get_mips_load_store_attr_const(node_a);
 248         const mips_load_store_attr_t *b = get_mips_load_store_attr_const(node_b);
 249
 250         if(mips_compare_nodes_attr(node_a, node_b))
 251                 return 1;
 252         if(a->stack_entity != b->stack_entity)
 253                 return 1;
 254         if(a->offset != b->offset)
 255                 return 1;
 256
 257         return 0;
 258 }
 259
 260 static void mips_copy_attr(const ir_node *old_node , ir_node *new_node)
 261 {
 262         ir_graph          *irg      = get_irn_irg(new_node);
 263         struct obstack    *obst     = get_irg_obstack(irg);
 264         const mips_attr_t *attr_old = get_mips_attr_const(old_node);
 265         mips_attr_t       *attr_new = get_mips_attr(new_node);
 266         backend_info_t    *old_info = be_get_info(old_node);
 267         backend_info_t    *new_info = be_get_info(new_node);
 268
 269         /* copy the attributes */
 270         memcpy(attr_new, attr_old, get_op_attr_size(get_irn_op(old_node)));
 271
 272         /* copy out flags */
 273         new_info->out_infos =
 274                 DUP_ARR_D(reg_out_info_t, obst, old_info->out_infos);
 275 }
 276
 277 /***************************************************************************************
 278  *                  _                            _                   _
 279  *                 | |                          | |                 | |
 280  *  _ __   ___   __| | ___    ___ ___  _ __  ___| |_ _ __ _   _  ___| |_ ___  _ __ ___
 281  * | '_ \ / _ \ / _` |/ _ \  / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
 282  * | | | | (_) | (_| |  __/ | (_| (_) | | | \__ \ |_| |  | |_| | (__| || (_) | |  \__ \
 283  * |_| |_|\___/ \__,_|\___|  \___\___/|_| |_|___/\__|_|   \__,_|\___|\__\___/|_|  |___/
 284  *
 285  ***************************************************************************************/
 286
 287 /* Include the generated constructor functions */
 288 #include "gen_mips_new_nodes.c.inl"