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 achitecture specific firm
23 * opcodes and the coresponding node constructors for the ppc assembler
25 * @author Moritz Kroll, Jens Mueller
33 #include "irgraph_t.h"
39 #include "firm_common_t.h"
44 #include "../bearch_t.h"
46 #include "ppc32_nodes_attr.h"
47 #include "ppc32_new_nodes.h"
48 #include "gen_ppc32_regalloc_if.h"
52 /***********************************************************************************
55 * __| |_ _ _ __ ___ _ __ ___ _ __ _ _ __ | |_ ___ _ __| |_ __ _ ___ ___
56 * / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__| _/ _` |/ __/ _ \
57 * | (_| | |_| | | | | | | |_) | __/ | | | | | | || __/ | | || (_| | (_| __/
58 * \__,_|\__,_|_| |_| |_| .__/ \___|_| |_|_| |_|\__\___|_| |_| \__,_|\___\___|
61 ***********************************************************************************/
64 * Dumps the register requirements for either in or out.
66 static void dump_reg_req(FILE *F, ir_node *n, const arch_register_req_t **reqs, int inout) {
67 char *dir = inout ? "out" : "in";
68 int max = inout ? get_ppc32_n_res(n) : get_irn_arity(n);
72 memset(buf, 0, sizeof(buf));
75 for (i = 0; i < max; i++) {
76 fprintf(F, "%sreq #%d =", dir, i);
78 if (reqs[i]->type == arch_register_req_type_none) {
82 if (reqs[i]->type & arch_register_req_type_normal) {
83 fprintf(F, " %s", reqs[i]->cls->name);
86 if (reqs[i]->type & arch_register_req_type_limited) {
88 arch_register_req_format(buf, sizeof(buf), reqs[i], n));
91 if (reqs[i]->type & arch_register_req_type_should_be_same) {
92 const unsigned other = reqs[i]->other_same;
95 ir_fprintf(F, " same as");
96 for (i = 0; 1U << i <= other; ++i) {
97 if (other & (1U << i)) {
98 ir_fprintf(F, " %+F", get_irn_n(n, i));
103 if (reqs[i]->type & arch_register_req_type_must_be_different) {
104 const unsigned other = reqs[i]->other_different;
107 ir_fprintf(F, " different from");
108 for (i = 0; 1U << i <= other; ++i) {
109 if (other & (1U << i)) {
110 ir_fprintf(F, " %+F", get_irn_n(n, i));
120 fprintf(F, "%sreq = N/A\n", dir);
126 * Dumper interface for dumping ppc32 nodes in vcg.
127 * @param n the node to dump
128 * @param F the output file
129 * @param reason indicates which kind of information should be dumped
130 * @return 0 on success or != 0 on failure
132 static int ppc32_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
133 ir_mode *mode = NULL;
137 const arch_register_req_t **reqs;
138 const arch_register_t **slots;
141 case dump_node_opcode_txt:
142 fprintf(F, "%s", get_irn_opname(n));
145 case dump_node_mode_txt:
146 mode = get_irn_mode(n);
149 fprintf(F, "[%s]", get_mode_name(mode));
152 fprintf(F, "[?NOMODE?]");
156 case dump_node_nodeattr_txt:
158 /* TODO: dump some attributes which should show up */
159 /* in node name in dump (e.g. consts or the like) */
163 case dump_node_info_txt:
164 attr = get_ppc32_attr(n);
165 fprintf(F, "=== ppc attr begin ===\n");
167 /* dump IN requirements */
168 if (get_irn_arity(n) > 0) {
169 reqs = get_ppc32_in_req_all(n);
170 dump_reg_req(F, n, reqs, 0);
173 /* dump OUT requirements */
174 if (ARR_LEN(attr->slots) > 0) {
175 reqs = get_ppc32_out_req_all(n);
176 dump_reg_req(F, n, reqs, 1);
179 /* dump assigned registers */
180 slots = get_ppc32_slots(n);
181 if (slots && ARR_LEN(attr->slots) > 0) {
182 for (i = 0; i < ARR_LEN(attr->slots); i++) {
184 fprintf(F, "reg #%d = %s\n", i, slots[i]->name);
187 fprintf(F, "reg #%d = n/a\n", i);
194 fprintf(F, "n_res = %d\n", get_ppc32_n_res(n));
197 fprintf(F, "flags =");
198 if (attr->flags == arch_irn_flags_none) {
202 if (attr->flags & arch_irn_flags_dont_spill) {
203 fprintf(F, " unspillable");
205 if (attr->flags & arch_irn_flags_rematerializable) {
206 fprintf(F, " remat");
209 fprintf(F, " (%d)\n", attr->flags);
211 /* TODO: dump all additional attributes */
213 fprintf(F, "=== ppc attr end ===\n");
214 /* end of: case dump_node_info_txt */
224 /***************************************************************************************************
226 * | | | | | | / / | | | | | | | |
227 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
228 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
229 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
230 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
233 ***************************************************************************************************/
235 ppc32_attr_t *get_ppc32_attr(ir_node *node) {
236 assert(is_ppc32_irn(node) && "need ppc node to get attributes");
237 return (ppc32_attr_t *)get_irn_generic_attr(node);
240 const ppc32_attr_t *get_ppc32_attr_const(const ir_node *node) {
241 assert(is_ppc32_irn(node) && "need ppc node to get attributes");
242 return (const ppc32_attr_t *)get_irn_generic_attr_const(node);
248 * Returns the argument register requirements of a ppc node.
250 const arch_register_req_t **get_ppc32_in_req_all(const ir_node *node) {
251 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
256 * Returns the result register requirements of an ppc node.
258 const arch_register_req_t **get_ppc32_out_req_all(const ir_node *node) {
259 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
260 return attr->out_req;
264 * Returns the argument register requirement at position pos of an ppc node.
266 const arch_register_req_t *get_ppc32_in_req(const ir_node *node, int pos) {
267 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
268 return attr->in_req[pos];
272 * Returns the result register requirement at position pos of an ppc node.
274 const arch_register_req_t *get_ppc32_out_req(const ir_node *node, int pos) {
275 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
276 return attr->out_req[pos];
280 * Sets the OUT register requirements at position pos.
282 void set_ppc32_req_out(ir_node *node, const arch_register_req_t *req, int pos) {
283 ppc32_attr_t *attr = get_ppc32_attr(node);
284 attr->out_req[pos] = req;
288 * Sets the IN register requirements at position pos.
290 void set_ppc32_req_in(ir_node *node, const arch_register_req_t *req, int pos) {
291 ppc32_attr_t *attr = get_ppc32_attr(node);
292 attr->in_req[pos] = req;
296 * Returns the register flag of an ppc node.
298 arch_irn_flags_t get_ppc32_flags(const ir_node *node) {
299 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
304 * Sets the register flag of an ppc node.
306 void set_ppc32_flags(ir_node *node, arch_irn_flags_t flags) {
307 ppc32_attr_t *attr = get_ppc32_attr(node);
312 * Returns the result register slots of an ppc node.
314 const arch_register_t **get_ppc32_slots(const ir_node *node) {
315 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
320 * Returns the name of the OUT register at position pos.
322 const char *get_ppc32_out_reg_name(const ir_node *node, int pos) {
323 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
325 assert(is_ppc32_irn(node) && "Not an ppc node.");
326 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
327 assert(attr->slots[pos] && "No register assigned");
329 return arch_register_get_name(attr->slots[pos]);
333 * Returns the index of the OUT register at position pos within its register class.
335 int get_ppc32_out_regnr(const ir_node *node, int pos) {
336 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
338 assert(is_ppc32_irn(node) && "Not an ppc node.");
339 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
340 assert(attr->slots[pos] && "No register assigned");
342 return arch_register_get_index(attr->slots[pos]);
346 * Returns the OUT register at position pos.
348 const arch_register_t *get_ppc32_out_reg(const ir_node *node, int pos) {
349 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
351 assert(is_ppc32_irn(node) && "Not an ppc node.");
352 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
353 assert(attr->slots[pos] && "No register assigned");
355 return attr->slots[pos];
359 * Returns the number of results.
361 int get_ppc32_n_res(const ir_node *node) {
362 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
363 return ARR_LEN(attr->slots);
367 * Sets the type of the constant (if any)
368 * May be either iro_Const or iro_SymConst
370 /* void set_ppc32_type(const ir_node *node, opcode type) {
371 ppc32_attr_t *attr = get_ppc32_attr(node);
376 * Returns the type of the content (if any)
378 ppc32_attr_content_type get_ppc32_type(const ir_node *node) {
379 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
380 return attr->content_type;
384 * Sets a tarval type content (also updating the content_type)
386 void set_ppc32_constant_tarval(ir_node *node, tarval *const_tarval) {
387 ppc32_attr_t *attr = get_ppc32_attr(node);
388 attr->content_type = ppc32_ac_Const;
389 attr->data.constant_tarval = const_tarval;
393 * Returns a tarval type constant
395 tarval *get_ppc32_constant_tarval(const ir_node *node) {
396 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
397 return attr->data.constant_tarval;
401 * Sets an ident type constant (also updating the content_type)
403 void set_ppc32_symconst_ident(ir_node *node, ident *symconst_ident) {
404 ppc32_attr_t *attr = get_ppc32_attr(node);
405 attr->content_type = ppc32_ac_SymConst;
406 attr->data.symconst_ident = symconst_ident;
410 * Returns an ident type constant
412 ident *get_ppc32_symconst_ident(const ir_node *node) {
413 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
414 return attr->data.symconst_ident;
419 * Sets an entity (also updating the content_type)
421 void set_ppc32_frame_entity(ir_node *node, ir_entity *ent) {
422 ppc32_attr_t *attr = get_ppc32_attr(node);
423 attr->content_type = ppc32_ac_FrameEntity;
424 attr->data.frame_entity = ent;
430 ir_entity *get_ppc32_frame_entity(const ir_node *node) {
431 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
432 return attr->data.frame_entity;
436 * Sets a Rlwimi const (also updating the content_type)
438 void set_ppc32_rlwimi_const(ir_node *node, unsigned shift, unsigned maskA, unsigned maskB) {
439 ppc32_attr_t *attr = get_ppc32_attr(node);
440 attr->content_type = ppc32_ac_RlwimiConst;
441 attr->data.rlwimi_const.shift = shift;
442 attr->data.rlwimi_const.maskA = maskA;
443 attr->data.rlwimi_const.maskB = maskB;
447 * Returns the rlwimi const structure
449 const rlwimi_const_t *get_ppc32_rlwimi_const(const ir_node *node) {
450 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
451 return &attr->data.rlwimi_const;
455 * Sets a Proj number (also updating the content_type)
457 void set_ppc32_proj_nr(ir_node *node, int proj_nr) {
458 ppc32_attr_t *attr = get_ppc32_attr(node);
459 attr->content_type = ppc32_ac_BranchProj;
460 attr->data.proj_nr = proj_nr;
464 * Returns the proj number
466 int get_ppc32_proj_nr(const ir_node *node) {
467 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
468 return attr->data.proj_nr;
472 * Sets an offset for a memory access (also updating the content_type)
474 void set_ppc32_offset(ir_node *node, int offset) {
475 ppc32_attr_t *attr = get_ppc32_attr(node);
476 attr->content_type = ppc32_ac_Offset;
477 attr->data.offset = offset;
483 int get_ppc32_offset(const ir_node *node) {
484 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
485 return attr->data.offset;
489 * Sets the offset mode (ppc32_ao_None, ppc32_ao_Lo16, ppc32_ao_Hi16 or ppc32_ao_Ha16)
491 void set_ppc32_offset_mode(ir_node *node, ppc32_attr_offset_mode mode) {
492 ppc32_attr_t *attr = get_ppc32_attr(node);
493 attr->offset_mode = mode;
497 * Returns the offset mode
499 ppc32_attr_offset_mode get_ppc32_offset_mode(const ir_node *node) {
500 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
501 return attr->offset_mode;
506 * Initializes ppc specific node attributes
508 void init_ppc32_attributes(ir_node *node, int flags,
509 const arch_register_req_t **in_reqs, const arch_register_req_t **out_reqs,
510 const be_execution_unit_t ***execution_units,
512 ir_graph *irg = get_irn_irg(node);
513 struct obstack *obst = get_irg_obstack(irg);
514 ppc32_attr_t *attr = get_ppc32_attr(node);
515 (void) execution_units;
518 attr->in_req = in_reqs;
519 attr->out_req = out_reqs;
521 attr->content_type = ppc32_ac_None;
522 attr->offset_mode = ppc32_ao_Illegal;
523 attr->data.empty = NULL;
525 attr->slots = NEW_ARR_D(const arch_register_t*, obst, n_res);
526 memset(attr->slots, 0, n_res * sizeof(attr->slots[0]));
530 /***************************************************************************************
533 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
534 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
535 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
536 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
538 ***************************************************************************************/
540 /* Include the generated constructor functions */
541 #include "gen_ppc32_new_nodes.c.inl"