2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
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.
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.
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
22 * @brief This file implements the creation of the architecture specific firm
23 * opcodes and the corresponding node constructors for the MIPS
25 * @author Matthias Braun, Mehdi
35 #include "irgraph_t.h"
41 #include "firm_common_t.h"
46 #include "../bearch_t.h"
48 #include "mips_nodes_attr.h"
49 #include "mips_new_nodes.h"
50 #include "gen_mips_regalloc_if.h"
54 /***********************************************************************************
57 * __| |_ _ _ __ ___ _ __ ___ _ __ _ _ __ | |_ ___ _ __| |_ __ _ ___ ___
58 * / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__| _/ _` |/ __/ _ \
59 * | (_| | |_| | | | | | | |_) | __/ | | | | | | || __/ | | || (_| | (_| __/
60 * \__,_|\__,_|_| |_| |_| .__/ \___|_| |_|_| |_|\__\___|_| |_| \__,_|\___\___|
63 ***********************************************************************************/
66 * Dumps the register requirements for either in or out.
68 static void dump_reg_req(FILE *F, ir_node *n, const arch_register_req_t **reqs,
71 const mips_attr_t *attr = get_mips_attr_const(n);
72 char *dir = inout ? "out" : "in";
73 int max = inout ? ARR_LEN(attr->slots) : get_irn_arity(n);
77 memset(buf, 0, sizeof(buf));
80 for (i = 0; i < max; i++) {
81 fprintf(F, "%sreq #%d =", dir, i);
83 if (reqs[i]->type == arch_register_req_type_none) {
87 if (reqs[i]->type & arch_register_req_type_normal) {
88 fprintf(F, " %s", reqs[i]->cls->name);
91 if (reqs[i]->type & arch_register_req_type_limited) {
93 arch_register_req_format(buf, sizeof(buf), reqs[i], n));
96 if (reqs[i]->type & arch_register_req_type_should_be_same) {
97 const unsigned other = reqs[i]->other_same;
100 ir_fprintf(F, " same as");
101 for (i = 0; 1U << i <= other; ++i) {
102 if (other & (1U << i)) {
103 ir_fprintf(F, " %+F", i);
108 if (reqs[i]->type & arch_register_req_type_must_be_different) {
109 const unsigned other = reqs[i]->other_different;
112 ir_fprintf(F, " different from");
113 for (i = 0; 1U << i <= other; ++i) {
114 if (other & (1U << i)) {
115 ir_fprintf(F, " %+F", i);
125 fprintf(F, "%sreq = N/A\n", dir);
131 * Dumper interface for dumping mips nodes in vcg.
132 * @param n the node to dump
133 * @param F the output file
134 * @param reason indicates which kind of information should be dumped
135 * @return 0 on success or != 0 on failure
137 static int mips_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
140 const mips_attr_t *attr = get_mips_attr_const(n);
141 const arch_register_req_t **reqs;
142 const arch_register_t **slots;
145 case dump_node_opcode_txt:
146 fprintf(F, "%s", get_irn_opname(n));
149 case dump_node_mode_txt:
152 case dump_node_nodeattr_txt:
154 if(is_mips_Immediate(n)) {
155 const mips_immediate_attr_t *attr
156 = get_mips_immediate_attr_const(n);
157 switch(attr->imm_type) {
159 fprintf(F, " %ld ", attr->val);
161 case MIPS_IMM_SYMCONST_LO:
162 fprintf(F, " lo(%s", get_entity_ld_name(attr->entity));
164 fprintf(F, "%+ld", attr->val);
168 case MIPS_IMM_SYMCONST_HI:
169 fprintf(F, " hi(%s", get_entity_ld_name(attr->entity));
171 fprintf(F, "%+ld", attr->val);
176 fprintf(F, " INVALID ");
182 case dump_node_info_txt:
183 attr = get_mips_attr(n);
184 fprintf(F, "=== mips attr begin ===\n");
186 /* dump IN requirements */
187 if (get_irn_arity(n) > 0) {
188 reqs = get_mips_in_req_all(n);
189 dump_reg_req(F, n, reqs, 0);
192 /* dump OUT requirements */
193 if (ARR_LEN(attr->slots) > 0) {
194 reqs = get_mips_out_req_all(n);
195 dump_reg_req(F, n, reqs, 1);
198 /* dump assigned registers */
199 slots = get_mips_slots(n);
200 if (slots && ARR_LEN(attr->slots) > 0) {
201 for (i = 0; i < ARR_LEN(attr->slots); i++) {
203 fprintf(F, "reg #%d = %s\n", i, slots[i]->name);
206 fprintf(F, "reg #%d = n/a\n", i);
213 fprintf(F, "n_res = %d\n", ARR_LEN(attr->slots));
216 fprintf(F, "flags =");
217 if (attr->flags == arch_irn_flags_none) {
221 if (attr->flags & arch_irn_flags_dont_spill) {
222 fprintf(F, " unspillable");
224 if (attr->flags & arch_irn_flags_rematerializable) {
225 fprintf(F, " remat");
227 if (attr->flags & arch_irn_flags_ignore) {
228 fprintf(F, " ignore");
231 fprintf(F, " (%d)\n", attr->flags);
233 fprintf(F, "=== mips attr end ===\n");
234 /* end of: case dump_node_info_txt */
244 /***************************************************************************************************
246 * | | | | | | / / | | | | | | | |
247 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
248 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
249 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
250 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
253 ***************************************************************************************************/
255 mips_attr_t *get_mips_attr(ir_node *node)
257 assert(is_mips_irn(node) && "need mips node to get attributes");
258 return (mips_attr_t *) get_irn_generic_attr(node);
261 const mips_attr_t *get_mips_attr_const(const ir_node *node)
263 assert(is_mips_irn(node) && "need mips node to get attributes");
264 return get_irn_generic_attr_const(node);
267 const mips_immediate_attr_t *get_mips_immediate_attr_const(const ir_node *node)
269 assert(is_mips_irn(node) && "need mips node to get attributes");
270 return get_irn_generic_attr_const(node);
273 const mips_load_store_attr_t *get_mips_load_store_attr_const(
276 assert(is_mips_irn(node) && "need mips node to get attributes");
277 return get_irn_generic_attr_const(node);
281 * Returns the argument register requirements of a mips node.
283 const arch_register_req_t **get_mips_in_req_all(const ir_node *node)
285 const mips_attr_t *attr = get_mips_attr_const(node);
290 * Returns the result register requirements of an mips node.
292 const arch_register_req_t **get_mips_out_req_all(const ir_node *node)
294 const mips_attr_t *attr = get_mips_attr_const(node);
295 return attr->out_req;
299 * Returns the argument register requirement at position pos of an mips node.
301 const arch_register_req_t *get_mips_in_req(const ir_node *node, int pos)
303 const mips_attr_t *attr = get_mips_attr_const(node);
304 return attr->in_req[pos];
308 * Returns the result register requirement at position pos of an mips node.
310 const arch_register_req_t *get_mips_out_req(const ir_node *node, int pos)
312 const mips_attr_t *attr = get_mips_attr_const(node);
313 return attr->out_req[pos];
317 * Sets the OUT register requirements at position pos.
319 void set_mips_req_out(ir_node *node, const arch_register_req_t *req, int pos)
321 mips_attr_t *attr = get_mips_attr(node);
322 attr->out_req[pos] = req;
326 * Sets the IN register requirements at position pos.
328 void set_mips_req_in(ir_node *node, const arch_register_req_t *req, int pos)
330 mips_attr_t *attr = get_mips_attr(node);
331 attr->in_req[pos] = req;
335 * Returns the register flag of an mips node.
337 arch_irn_flags_t get_mips_flags(const ir_node *node)
339 const mips_attr_t *attr = get_mips_attr_const(node);
344 * Sets the register flag of an mips node.
346 void set_mips_flags(ir_node *node, arch_irn_flags_t flags)
348 mips_attr_t *attr = get_mips_attr(node);
353 * Returns the result register slots of an mips node.
355 const arch_register_t **get_mips_slots(const ir_node *node)
357 const mips_attr_t *attr = get_mips_attr_const(node);
362 * Returns the name of the OUT register at position pos.
364 const char *get_mips_out_reg_name(const ir_node *node, int pos)
366 const mips_attr_t *attr = get_mips_attr_const(node);
368 assert(is_mips_irn(node) && "Not an mips node.");
369 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
370 assert(attr->slots[pos] && "No register assigned");
372 return arch_register_get_name(attr->slots[pos]);
376 * Returns the index of the OUT register at position pos within its register class.
378 int get_mips_out_regnr(const ir_node *node, int pos)
380 const mips_attr_t *attr = get_mips_attr_const(node);
382 assert(is_mips_irn(node) && "Not an mips node.");
383 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
384 assert(attr->slots[pos] && "No register assigned");
386 return arch_register_get_index(attr->slots[pos]);
390 * Returns the OUT register at position pos.
392 const arch_register_t *get_mips_out_reg(const ir_node *node, int pos)
394 const mips_attr_t *attr = get_mips_attr_const(node);
396 assert(is_mips_irn(node) && "Not an mips node.");
397 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
398 assert(attr->slots[pos] && "No register assigned");
400 return attr->slots[pos];
404 * Initializes the nodes attributes.
406 static void init_mips_attributes(ir_node *node, arch_irn_flags_t flags,
407 const arch_register_req_t **in_reqs,
408 const arch_register_req_t **out_reqs,
409 const be_execution_unit_t ***execution_units,
412 ir_graph *irg = get_irn_irg(node);
413 struct obstack *obst = get_irg_obstack(irg);
414 mips_attr_t *attr = get_mips_attr(node);
415 (void) execution_units;
418 attr->out_req = out_reqs;
419 attr->in_req = in_reqs;
421 attr->slots = NEW_ARR_D(const arch_register_t*, obst, n_res);
422 memset(attr->slots, 0, n_res * sizeof(attr->slots[0]));
425 static void init_mips_immediate_attributes(ir_node *node,
426 mips_immediate_type_t type,
427 ir_entity *entity, long val)
429 mips_immediate_attr_t *attr = get_irn_generic_attr(node);
431 attr->imm_type = type;
432 attr->entity = entity;
436 static void init_mips_load_store_attributes(ir_node *node, ir_entity *entity,
439 mips_load_store_attr_t *attr = get_irn_generic_attr(node);
440 attr->stack_entity = entity;
441 attr->offset = offset;
444 static int mips_compare_nodes_attr(ir_node *node_a, ir_node *node_b)
446 const mips_attr_t *a = get_mips_attr_const(node_a);
447 const mips_attr_t *b = get_mips_attr_const(node_b);
449 if(a->flags != b->flags)
451 if(ARR_LEN(a->slots) != ARR_LEN(b->slots))
453 if(a->switch_default_pn != b->switch_default_pn)
459 static int mips_compare_immediate_attr(ir_node *node_a, ir_node *node_b)
461 const mips_immediate_attr_t *a = get_mips_immediate_attr_const(node_a);
462 const mips_immediate_attr_t *b = get_mips_immediate_attr_const(node_b);
464 if(a->attr.flags != b->attr.flags)
472 static int mips_compare_load_store_attr(ir_node *node_a, ir_node *node_b)
474 const mips_load_store_attr_t *a = get_mips_load_store_attr_const(node_a);
475 const mips_load_store_attr_t *b = get_mips_load_store_attr_const(node_b);
477 if(mips_compare_nodes_attr(node_a, node_b))
479 if(a->stack_entity != b->stack_entity)
481 if(a->offset != b->offset)
487 static void mips_copy_attr(const ir_node *old_node , ir_node *new_node)
489 ir_graph *irg = get_irn_irg(new_node);
490 struct obstack *obst = get_irg_obstack(irg);
491 const mips_attr_t *attr_old = get_mips_attr_const(old_node);
492 mips_attr_t *attr_new = get_mips_attr(new_node);
494 /* copy the attributes */
495 memcpy(attr_new, attr_old, get_op_attr_size(get_irn_op(old_node)));
497 /* copy register assignments */
498 attr_new->slots = DUP_ARR_D(arch_register_t*, obst, attr_old->slots);
501 /***************************************************************************************
504 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
505 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
506 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
507 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
509 ***************************************************************************************/
511 /* Include the generated constructor functions */
512 #include "gen_mips_new_nodes.c.inl"