2 * Copyright (C) 1995-2007 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 achitecture specific firm
23 * opcodes and the coresponding node constructors for the ppc assembler
25 * @author Moritz Kroll, Jens Mueller
35 #include "irgraph_t.h"
41 #include "firm_common_t.h"
46 #include "../bearch_t.h"
48 #include "ppc32_nodes_attr.h"
49 #include "ppc32_new_nodes.h"
50 #include "gen_ppc32_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, int inout) {
69 char *dir = inout ? "out" : "in";
70 int max = inout ? get_ppc32_n_res(n) : get_irn_arity(n);
74 memset(buf, 0, sizeof(buf));
77 for (i = 0; i < max; i++) {
78 fprintf(F, "%sreq #%d =", dir, i);
80 if (reqs[i]->type == arch_register_req_type_none) {
84 if (reqs[i]->type & arch_register_req_type_normal) {
85 fprintf(F, " %s", reqs[i]->cls->name);
88 if (reqs[i]->type & arch_register_req_type_limited) {
90 arch_register_req_format(buf, sizeof(buf), reqs[i], n));
93 if (reqs[i]->type & arch_register_req_type_should_be_same) {
94 ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->other_same));
97 if (reqs[i]->type & arch_register_req_type_should_be_different) {
98 ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->other_different));
106 fprintf(F, "%sreq = N/A\n", dir);
112 * Dumper interface for dumping ppc32 nodes in vcg.
113 * @param n the node to dump
114 * @param F the output file
115 * @param reason indicates which kind of information should be dumped
116 * @return 0 on success or != 0 on failure
118 static int ppc32_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
119 ir_mode *mode = NULL;
123 const arch_register_req_t **reqs;
124 const arch_register_t **slots;
127 case dump_node_opcode_txt:
128 fprintf(F, "%s", get_irn_opname(n));
131 case dump_node_mode_txt:
132 mode = get_irn_mode(n);
135 fprintf(F, "[%s]", get_mode_name(mode));
138 fprintf(F, "[?NOMODE?]");
142 case dump_node_nodeattr_txt:
144 /* TODO: dump some attributes which should show up */
145 /* in node name in dump (e.g. consts or the like) */
149 case dump_node_info_txt:
150 attr = get_ppc32_attr(n);
151 fprintf(F, "=== ppc attr begin ===\n");
153 /* dump IN requirements */
154 if (get_irn_arity(n) > 0) {
155 reqs = get_ppc32_in_req_all(n);
156 dump_reg_req(F, n, reqs, 0);
159 /* dump OUT requirements */
160 if (ARR_LEN(attr->slots) > 0) {
161 reqs = get_ppc32_out_req_all(n);
162 dump_reg_req(F, n, reqs, 1);
165 /* dump assigned registers */
166 slots = get_ppc32_slots(n);
167 if (slots && ARR_LEN(attr->slots) > 0) {
168 for (i = 0; i < ARR_LEN(attr->slots); i++) {
170 fprintf(F, "reg #%d = %s\n", i, slots[i]->name);
173 fprintf(F, "reg #%d = n/a\n", i);
180 fprintf(F, "n_res = %d\n", get_ppc32_n_res(n));
183 fprintf(F, "flags =");
184 if (attr->flags == arch_irn_flags_none) {
188 if (attr->flags & arch_irn_flags_dont_spill) {
189 fprintf(F, " unspillable");
191 if (attr->flags & arch_irn_flags_rematerializable) {
192 fprintf(F, " remat");
194 if (attr->flags & arch_irn_flags_ignore) {
195 fprintf(F, " ignore");
198 fprintf(F, " (%d)\n", attr->flags);
200 /* TODO: dump all additional attributes */
202 fprintf(F, "=== ppc attr end ===\n");
203 /* end of: case dump_node_info_txt */
213 /***************************************************************************************************
215 * | | | | | | / / | | | | | | | |
216 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
217 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
218 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
219 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
222 ***************************************************************************************************/
225 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
226 * Firm was made by people hating const :-(
228 ppc32_attr_t *get_ppc32_attr(const ir_node *node) {
229 assert(is_ppc32_irn(node) && "need ppc node to get attributes");
230 return (ppc32_attr_t *)get_irn_generic_attr((ir_node *)node);
234 * Returns the argument register requirements of a ppc node.
236 const arch_register_req_t **get_ppc32_in_req_all(const ir_node *node) {
237 ppc32_attr_t *attr = get_ppc32_attr(node);
242 * Returns the result register requirements of an ppc node.
244 const arch_register_req_t **get_ppc32_out_req_all(const ir_node *node) {
245 ppc32_attr_t *attr = get_ppc32_attr(node);
246 return attr->out_req;
250 * Returns the argument register requirement at position pos of an ppc node.
252 const arch_register_req_t *get_ppc32_in_req(const ir_node *node, int pos) {
253 ppc32_attr_t *attr = get_ppc32_attr(node);
254 return attr->in_req[pos];
258 * Returns the result register requirement at position pos of an ppc node.
260 const arch_register_req_t *get_ppc32_out_req(const ir_node *node, int pos) {
261 ppc32_attr_t *attr = get_ppc32_attr(node);
262 return attr->out_req[pos];
266 * Sets the OUT register requirements at position pos.
268 void set_ppc32_req_out(ir_node *node, const arch_register_req_t *req, int pos) {
269 ppc32_attr_t *attr = get_ppc32_attr(node);
270 attr->out_req[pos] = req;
274 * Sets the IN register requirements at position pos.
276 void set_ppc32_req_in(ir_node *node, const arch_register_req_t *req, int pos) {
277 ppc32_attr_t *attr = get_ppc32_attr(node);
278 attr->in_req[pos] = req;
282 * Returns the register flag of an ppc node.
284 arch_irn_flags_t get_ppc32_flags(const ir_node *node) {
285 ppc32_attr_t *attr = get_ppc32_attr(node);
290 * Sets the register flag of an ppc node.
292 void set_ppc32_flags(const ir_node *node, arch_irn_flags_t flags) {
293 ppc32_attr_t *attr = get_ppc32_attr(node);
298 * Returns the result register slots of an ppc node.
300 const arch_register_t **get_ppc32_slots(const ir_node *node) {
301 ppc32_attr_t *attr = get_ppc32_attr(node);
306 * Returns the name of the OUT register at position pos.
308 const char *get_ppc32_out_reg_name(const ir_node *node, int pos) {
309 ppc32_attr_t *attr = get_ppc32_attr(node);
311 assert(is_ppc32_irn(node) && "Not an ppc node.");
312 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
313 assert(attr->slots[pos] && "No register assigned");
315 return arch_register_get_name(attr->slots[pos]);
319 * Returns the index of the OUT register at position pos within its register class.
321 int get_ppc32_out_regnr(const ir_node *node, int pos) {
322 ppc32_attr_t *attr = get_ppc32_attr(node);
324 assert(is_ppc32_irn(node) && "Not an ppc node.");
325 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
326 assert(attr->slots[pos] && "No register assigned");
328 return arch_register_get_index(attr->slots[pos]);
332 * Returns the OUT register at position pos.
334 const arch_register_t *get_ppc32_out_reg(const ir_node *node, int pos) {
335 ppc32_attr_t *attr = get_ppc32_attr(node);
337 assert(is_ppc32_irn(node) && "Not an ppc node.");
338 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
339 assert(attr->slots[pos] && "No register assigned");
341 return attr->slots[pos];
345 * Returns the number of results.
347 int get_ppc32_n_res(const ir_node *node) {
348 ppc32_attr_t *attr = get_ppc32_attr(node);
349 return ARR_LEN(attr->slots);
353 * Sets the type of the constant (if any)
354 * May be either iro_Const or iro_SymConst
356 /* void set_ppc32_type(const ir_node *node, opcode type) {
357 ppc32_attr_t *attr = get_ppc32_attr(node);
362 * Returns the type of the content (if any)
364 ppc32_attr_content_type get_ppc32_type(const ir_node *node) {
365 ppc32_attr_t *attr = get_ppc32_attr(node);
366 return attr->content_type;
370 * Sets a tarval type content (also updating the content_type)
372 void set_ppc32_constant_tarval(const ir_node *node, tarval *const_tarval) {
373 ppc32_attr_t *attr = get_ppc32_attr(node);
374 attr->content_type = ppc32_ac_Const;
375 attr->data.constant_tarval = const_tarval;
379 * Returns a tarval type constant
381 tarval *get_ppc32_constant_tarval(const ir_node *node) {
382 ppc32_attr_t *attr = get_ppc32_attr(node);
383 return attr->data.constant_tarval;
387 * Sets an ident type constant (also updating the content_type)
389 void set_ppc32_symconst_ident(const ir_node *node, ident *symconst_ident) {
390 ppc32_attr_t *attr = get_ppc32_attr(node);
391 attr->content_type = ppc32_ac_SymConst;
392 attr->data.symconst_ident = symconst_ident;
396 * Returns an ident type constant
398 ident *get_ppc32_symconst_ident(const ir_node *node) {
399 ppc32_attr_t *attr = get_ppc32_attr(node);
400 return attr->data.symconst_ident;
405 * Sets an entity (also updating the content_type)
407 void set_ppc32_frame_entity(const ir_node *node, ir_entity *ent) {
408 ppc32_attr_t *attr = get_ppc32_attr(node);
409 attr->content_type = ppc32_ac_FrameEntity;
410 attr->data.frame_entity = ent;
416 ir_entity *get_ppc32_frame_entity(const ir_node *node) {
417 ppc32_attr_t *attr = get_ppc32_attr(node);
418 return attr->data.frame_entity;
422 * Sets a Rlwimi const (also updating the content_type)
424 void set_ppc32_rlwimi_const(const ir_node *node, unsigned shift, unsigned maskA, unsigned maskB) {
425 ppc32_attr_t *attr = get_ppc32_attr(node);
426 attr->content_type = ppc32_ac_RlwimiConst;
427 attr->data.rlwimi_const.shift = shift;
428 attr->data.rlwimi_const.maskA = maskA;
429 attr->data.rlwimi_const.maskB = maskB;
433 * Returns the rlwimi const structure
435 rlwimi_const_t *get_ppc32_rlwimi_const(const ir_node *node) {
436 ppc32_attr_t *attr = get_ppc32_attr(node);
437 return &attr->data.rlwimi_const;
441 * Sets a Proj number (also updating the content_type)
443 void set_ppc32_proj_nr(const ir_node *node, int proj_nr) {
444 ppc32_attr_t *attr = get_ppc32_attr(node);
445 attr->content_type = ppc32_ac_BranchProj;
446 attr->data.proj_nr = proj_nr;
450 * Returns the proj number
452 int get_ppc32_proj_nr(const ir_node *node) {
453 ppc32_attr_t *attr = get_ppc32_attr(node);
454 return attr->data.proj_nr;
458 * Sets an offset for a memory access (also updating the content_type)
460 void set_ppc32_offset(const ir_node *node, int offset) {
461 ppc32_attr_t *attr = get_ppc32_attr(node);
462 attr->content_type = ppc32_ac_Offset;
463 attr->data.offset = offset;
469 int get_ppc32_offset(const ir_node *node) {
470 ppc32_attr_t *attr = get_ppc32_attr(node);
471 return attr->data.offset;
475 * Sets the offset mode (ppc32_ao_None, ppc32_ao_Lo16, ppc32_ao_Hi16 or ppc32_ao_Ha16)
477 void set_ppc32_offset_mode(const ir_node *node, ppc32_attr_offset_mode mode) {
478 ppc32_attr_t *attr = get_ppc32_attr(node);
479 attr->offset_mode = mode;
483 * Returns the offset mode
485 ppc32_attr_offset_mode get_ppc32_offset_mode(const ir_node *node) {
486 ppc32_attr_t *attr = get_ppc32_attr(node);
487 return attr->offset_mode;
492 * Initializes ppc specific node attributes
494 void init_ppc32_attributes(ir_node *node, int flags,
495 const arch_register_req_t **in_reqs, const arch_register_req_t **out_reqs,
496 const be_execution_unit_t ***execution_units,
497 int n_res, unsigned latency) {
498 ir_graph *irg = get_irn_irg(node);
499 struct obstack *obst = get_irg_obstack(irg);
500 ppc32_attr_t *attr = get_ppc32_attr(node);
501 (void) execution_units;
505 attr->in_req = in_reqs;
506 attr->out_req = out_reqs;
508 attr->content_type = ppc32_ac_None;
509 attr->offset_mode = ppc32_ao_Illegal;
510 attr->data.empty = NULL;
512 attr->slots = NEW_ARR_D(const arch_register_t*, obst, n_res);
513 memset(attr->slots, 0, n_res * sizeof(attr->slots[0]));
517 /***************************************************************************************
520 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
521 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
522 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
523 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
525 ***************************************************************************************/
527 /* Include the generated constructor functions */
528 #include "gen_ppc32_new_nodes.c.inl"