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[0]));
95 if (reqs[i]->other_same[1] != -1)
96 ir_fprintf(F, " or %+F", get_irn_n(n, reqs[i]->other_same[1]));
99 if (reqs[i]->type & arch_register_req_type_should_be_different) {
100 ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->other_different));
108 fprintf(F, "%sreq = N/A\n", dir);
114 * Dumper interface for dumping ppc32 nodes in vcg.
115 * @param n the node to dump
116 * @param F the output file
117 * @param reason indicates which kind of information should be dumped
118 * @return 0 on success or != 0 on failure
120 static int ppc32_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
121 ir_mode *mode = NULL;
125 const arch_register_req_t **reqs;
126 const arch_register_t **slots;
129 case dump_node_opcode_txt:
130 fprintf(F, "%s", get_irn_opname(n));
133 case dump_node_mode_txt:
134 mode = get_irn_mode(n);
137 fprintf(F, "[%s]", get_mode_name(mode));
140 fprintf(F, "[?NOMODE?]");
144 case dump_node_nodeattr_txt:
146 /* TODO: dump some attributes which should show up */
147 /* in node name in dump (e.g. consts or the like) */
151 case dump_node_info_txt:
152 attr = get_ppc32_attr(n);
153 fprintf(F, "=== ppc attr begin ===\n");
155 /* dump IN requirements */
156 if (get_irn_arity(n) > 0) {
157 reqs = get_ppc32_in_req_all(n);
158 dump_reg_req(F, n, reqs, 0);
161 /* dump OUT requirements */
162 if (ARR_LEN(attr->slots) > 0) {
163 reqs = get_ppc32_out_req_all(n);
164 dump_reg_req(F, n, reqs, 1);
167 /* dump assigned registers */
168 slots = get_ppc32_slots(n);
169 if (slots && ARR_LEN(attr->slots) > 0) {
170 for (i = 0; i < ARR_LEN(attr->slots); i++) {
172 fprintf(F, "reg #%d = %s\n", i, slots[i]->name);
175 fprintf(F, "reg #%d = n/a\n", i);
182 fprintf(F, "n_res = %d\n", get_ppc32_n_res(n));
185 fprintf(F, "flags =");
186 if (attr->flags == arch_irn_flags_none) {
190 if (attr->flags & arch_irn_flags_dont_spill) {
191 fprintf(F, " unspillable");
193 if (attr->flags & arch_irn_flags_rematerializable) {
194 fprintf(F, " remat");
196 if (attr->flags & arch_irn_flags_ignore) {
197 fprintf(F, " ignore");
200 fprintf(F, " (%d)\n", attr->flags);
202 /* TODO: dump all additional attributes */
204 fprintf(F, "=== ppc attr end ===\n");
205 /* end of: case dump_node_info_txt */
215 /***************************************************************************************************
217 * | | | | | | / / | | | | | | | |
218 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
219 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
220 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
221 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
224 ***************************************************************************************************/
227 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
228 * Firm was made by people hating const :-(
230 ppc32_attr_t *get_ppc32_attr(const ir_node *node) {
231 assert(is_ppc32_irn(node) && "need ppc node to get attributes");
232 return (ppc32_attr_t *)get_irn_generic_attr((ir_node *)node);
236 * Returns the argument register requirements of a ppc node.
238 const arch_register_req_t **get_ppc32_in_req_all(const ir_node *node) {
239 ppc32_attr_t *attr = get_ppc32_attr(node);
244 * Returns the result register requirements of an ppc node.
246 const arch_register_req_t **get_ppc32_out_req_all(const ir_node *node) {
247 ppc32_attr_t *attr = get_ppc32_attr(node);
248 return attr->out_req;
252 * Returns the argument register requirement at position pos of an ppc node.
254 const arch_register_req_t *get_ppc32_in_req(const ir_node *node, int pos) {
255 ppc32_attr_t *attr = get_ppc32_attr(node);
256 return attr->in_req[pos];
260 * Returns the result register requirement at position pos of an ppc node.
262 const arch_register_req_t *get_ppc32_out_req(const ir_node *node, int pos) {
263 ppc32_attr_t *attr = get_ppc32_attr(node);
264 return attr->out_req[pos];
268 * Sets the OUT register requirements at position pos.
270 void set_ppc32_req_out(ir_node *node, const arch_register_req_t *req, int pos) {
271 ppc32_attr_t *attr = get_ppc32_attr(node);
272 attr->out_req[pos] = req;
276 * Sets the IN register requirements at position pos.
278 void set_ppc32_req_in(ir_node *node, const arch_register_req_t *req, int pos) {
279 ppc32_attr_t *attr = get_ppc32_attr(node);
280 attr->in_req[pos] = req;
284 * Returns the register flag of an ppc node.
286 arch_irn_flags_t get_ppc32_flags(const ir_node *node) {
287 ppc32_attr_t *attr = get_ppc32_attr(node);
292 * Sets the register flag of an ppc node.
294 void set_ppc32_flags(const ir_node *node, arch_irn_flags_t flags) {
295 ppc32_attr_t *attr = get_ppc32_attr(node);
300 * Returns the result register slots of an ppc node.
302 const arch_register_t **get_ppc32_slots(const ir_node *node) {
303 ppc32_attr_t *attr = get_ppc32_attr(node);
308 * Returns the name of the OUT register at position pos.
310 const char *get_ppc32_out_reg_name(const ir_node *node, int pos) {
311 ppc32_attr_t *attr = get_ppc32_attr(node);
313 assert(is_ppc32_irn(node) && "Not an ppc node.");
314 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
315 assert(attr->slots[pos] && "No register assigned");
317 return arch_register_get_name(attr->slots[pos]);
321 * Returns the index of the OUT register at position pos within its register class.
323 int get_ppc32_out_regnr(const ir_node *node, int pos) {
324 ppc32_attr_t *attr = get_ppc32_attr(node);
326 assert(is_ppc32_irn(node) && "Not an ppc node.");
327 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
328 assert(attr->slots[pos] && "No register assigned");
330 return arch_register_get_index(attr->slots[pos]);
334 * Returns the OUT register at position pos.
336 const arch_register_t *get_ppc32_out_reg(const ir_node *node, int pos) {
337 ppc32_attr_t *attr = get_ppc32_attr(node);
339 assert(is_ppc32_irn(node) && "Not an ppc node.");
340 assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
341 assert(attr->slots[pos] && "No register assigned");
343 return attr->slots[pos];
347 * Returns the number of results.
349 int get_ppc32_n_res(const ir_node *node) {
350 ppc32_attr_t *attr = get_ppc32_attr(node);
351 return ARR_LEN(attr->slots);
355 * Sets the type of the constant (if any)
356 * May be either iro_Const or iro_SymConst
358 /* void set_ppc32_type(const ir_node *node, opcode type) {
359 ppc32_attr_t *attr = get_ppc32_attr(node);
364 * Returns the type of the content (if any)
366 ppc32_attr_content_type get_ppc32_type(const ir_node *node) {
367 ppc32_attr_t *attr = get_ppc32_attr(node);
368 return attr->content_type;
372 * Sets a tarval type content (also updating the content_type)
374 void set_ppc32_constant_tarval(const ir_node *node, tarval *const_tarval) {
375 ppc32_attr_t *attr = get_ppc32_attr(node);
376 attr->content_type = ppc32_ac_Const;
377 attr->data.constant_tarval = const_tarval;
381 * Returns a tarval type constant
383 tarval *get_ppc32_constant_tarval(const ir_node *node) {
384 ppc32_attr_t *attr = get_ppc32_attr(node);
385 return attr->data.constant_tarval;
389 * Sets an ident type constant (also updating the content_type)
391 void set_ppc32_symconst_ident(const ir_node *node, ident *symconst_ident) {
392 ppc32_attr_t *attr = get_ppc32_attr(node);
393 attr->content_type = ppc32_ac_SymConst;
394 attr->data.symconst_ident = symconst_ident;
398 * Returns an ident type constant
400 ident *get_ppc32_symconst_ident(const ir_node *node) {
401 ppc32_attr_t *attr = get_ppc32_attr(node);
402 return attr->data.symconst_ident;
407 * Sets an entity (also updating the content_type)
409 void set_ppc32_frame_entity(const ir_node *node, ir_entity *ent) {
410 ppc32_attr_t *attr = get_ppc32_attr(node);
411 attr->content_type = ppc32_ac_FrameEntity;
412 attr->data.frame_entity = ent;
418 ir_entity *get_ppc32_frame_entity(const ir_node *node) {
419 ppc32_attr_t *attr = get_ppc32_attr(node);
420 return attr->data.frame_entity;
424 * Sets a Rlwimi const (also updating the content_type)
426 void set_ppc32_rlwimi_const(const ir_node *node, unsigned shift, unsigned maskA, unsigned maskB) {
427 ppc32_attr_t *attr = get_ppc32_attr(node);
428 attr->content_type = ppc32_ac_RlwimiConst;
429 attr->data.rlwimi_const.shift = shift;
430 attr->data.rlwimi_const.maskA = maskA;
431 attr->data.rlwimi_const.maskB = maskB;
435 * Returns the rlwimi const structure
437 rlwimi_const_t *get_ppc32_rlwimi_const(const ir_node *node) {
438 ppc32_attr_t *attr = get_ppc32_attr(node);
439 return &attr->data.rlwimi_const;
443 * Sets a Proj number (also updating the content_type)
445 void set_ppc32_proj_nr(const ir_node *node, int proj_nr) {
446 ppc32_attr_t *attr = get_ppc32_attr(node);
447 attr->content_type = ppc32_ac_BranchProj;
448 attr->data.proj_nr = proj_nr;
452 * Returns the proj number
454 int get_ppc32_proj_nr(const ir_node *node) {
455 ppc32_attr_t *attr = get_ppc32_attr(node);
456 return attr->data.proj_nr;
460 * Sets an offset for a memory access (also updating the content_type)
462 void set_ppc32_offset(const ir_node *node, int offset) {
463 ppc32_attr_t *attr = get_ppc32_attr(node);
464 attr->content_type = ppc32_ac_Offset;
465 attr->data.offset = offset;
471 int get_ppc32_offset(const ir_node *node) {
472 ppc32_attr_t *attr = get_ppc32_attr(node);
473 return attr->data.offset;
477 * Sets the offset mode (ppc32_ao_None, ppc32_ao_Lo16, ppc32_ao_Hi16 or ppc32_ao_Ha16)
479 void set_ppc32_offset_mode(const ir_node *node, ppc32_attr_offset_mode mode) {
480 ppc32_attr_t *attr = get_ppc32_attr(node);
481 attr->offset_mode = mode;
485 * Returns the offset mode
487 ppc32_attr_offset_mode get_ppc32_offset_mode(const ir_node *node) {
488 ppc32_attr_t *attr = get_ppc32_attr(node);
489 return attr->offset_mode;
494 * Initializes ppc specific node attributes
496 void init_ppc32_attributes(ir_node *node, int flags,
497 const arch_register_req_t **in_reqs, const arch_register_req_t **out_reqs,
498 const be_execution_unit_t ***execution_units,
499 int n_res, unsigned latency) {
500 ir_graph *irg = get_irn_irg(node);
501 struct obstack *obst = get_irg_obstack(irg);
502 ppc32_attr_t *attr = get_ppc32_attr(node);
503 (void) execution_units;
507 attr->in_req = in_reqs;
508 attr->out_req = out_reqs;
510 attr->content_type = ppc32_ac_None;
511 attr->offset_mode = ppc32_ao_Illegal;
512 attr->data.empty = NULL;
514 attr->slots = NEW_ARR_D(const arch_register_t*, obst, n_res);
515 memset(attr->slots, 0, n_res * sizeof(attr->slots[0]));
519 /***************************************************************************************
522 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
523 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
524 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
525 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
527 ***************************************************************************************/
529 /* Include the generated constructor functions */
530 #include "gen_ppc32_new_nodes.c.inl"