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 ppc assembler
25 * @author Moritz Kroll, Jens Mueller
33 #include "irgraph_t.h"
43 #include "../bearch_t.h"
45 #include "ppc32_nodes_attr.h"
46 #include "ppc32_new_nodes.h"
47 #include "gen_ppc32_regalloc_if.h"
51 /***********************************************************************************
54 * __| |_ _ _ __ ___ _ __ ___ _ __ _ _ __ | |_ ___ _ __| |_ __ _ ___ ___
55 * / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__| _/ _` |/ __/ _ \
56 * | (_| | |_| | | | | | | |_) | __/ | | | | | | || __/ | | || (_| | (_| __/
57 * \__,_|\__,_|_| |_| |_| .__/ \___|_| |_|_| |_|\__\___|_| |_| \__,_|\___\___|
60 ***********************************************************************************/
63 * Dumps the register requirements for either in or out.
65 static void dump_reg_req(FILE *F, ir_node *n, const arch_register_req_t **reqs, int inout) {
66 char *dir = inout ? "out" : "in";
67 int max = inout ? (int) arch_irn_get_n_outs(n) : get_irn_arity(n);
71 memset(buf, 0, sizeof(buf));
74 for (i = 0; i < max; i++) {
75 fprintf(F, "%sreq #%d =", dir, i);
77 if (reqs[i]->type == arch_register_req_type_none) {
81 if (reqs[i]->type & arch_register_req_type_normal) {
82 fprintf(F, " %s", reqs[i]->cls->name);
85 if (reqs[i]->type & arch_register_req_type_limited) {
87 arch_register_req_format(buf, sizeof(buf), reqs[i], n));
90 if (reqs[i]->type & arch_register_req_type_should_be_same) {
91 const unsigned other = reqs[i]->other_same;
94 ir_fprintf(F, " same as");
95 for (i = 0; 1U << i <= other; ++i) {
96 if (other & (1U << i)) {
97 ir_fprintf(F, " %+F", get_irn_n(n, i));
102 if (reqs[i]->type & arch_register_req_type_must_be_different) {
103 const unsigned other = reqs[i]->other_different;
106 ir_fprintf(F, " different from");
107 for (i = 0; 1U << i <= other; ++i) {
108 if (other & (1U << i)) {
109 ir_fprintf(F, " %+F", get_irn_n(n, i));
119 fprintf(F, "%sreq = N/A\n", dir);
125 * Dumper interface for dumping ppc32 nodes in vcg.
126 * @param n the node to dump
127 * @param F the output file
128 * @param reason indicates which kind of information should be dumped
129 * @return 0 on success or != 0 on failure
131 static int ppc32_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
132 ir_mode *mode = NULL;
135 const arch_register_req_t **reqs;
138 case dump_node_opcode_txt:
139 fprintf(F, "%s", get_irn_opname(n));
142 case dump_node_mode_txt:
143 mode = get_irn_mode(n);
146 fprintf(F, "[%s]", get_mode_name(mode));
149 fprintf(F, "[?NOMODE?]");
153 case dump_node_nodeattr_txt:
155 /* TODO: dump some attributes which should show up */
156 /* in node name in dump (e.g. consts or the like) */
160 case dump_node_info_txt:
161 fprintf(F, "=== ppc attr begin ===\n");
163 /* dump IN requirements */
164 if (get_irn_arity(n) > 0) {
165 reqs = get_ppc32_in_req_all(n);
166 dump_reg_req(F, n, reqs, 0);
169 n_res = arch_irn_get_n_outs(n);
171 /* dump OUT requirements */
172 reqs = get_ppc32_out_req_all(n);
173 dump_reg_req(F, n, reqs, 1);
175 /* dump assigned registers */
176 for (i = 0; i < n_res; i++) {
177 const arch_register_t *reg = arch_irn_get_register(n, i);
179 fprintf(F, "reg #%d = %s\n", i, reg ? arch_register_get_name(reg) : "n/a");
185 fprintf(F, "n_res = %d\n", n_res);
188 fprintf(F, "flags =");
189 flags = arch_irn_get_flags(n);
190 if (flags == arch_irn_flags_none) {
194 if (flags & arch_irn_flags_dont_spill) {
195 fprintf(F, " unspillable");
197 if (flags & arch_irn_flags_rematerializable) {
198 fprintf(F, " remat");
200 if (flags & arch_irn_flags_modify_flags) {
201 fprintf(F, " modify_flags");
204 fprintf(F, " (%d)\n", flags);
206 /* TODO: dump all additional attributes */
208 fprintf(F, "=== ppc attr end ===\n");
209 /* end of: case dump_node_info_txt */
219 /***************************************************************************************************
221 * | | | | | | / / | | | | | | | |
222 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
223 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
224 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
225 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
228 ***************************************************************************************************/
230 ppc32_attr_t *get_ppc32_attr(ir_node *node) {
231 assert(is_ppc32_irn(node) && "need ppc node to get attributes");
232 return (ppc32_attr_t *)get_irn_generic_attr(node);
235 const ppc32_attr_t *get_ppc32_attr_const(const ir_node *node) {
236 assert(is_ppc32_irn(node) && "need ppc node to get attributes");
237 return (const ppc32_attr_t *)get_irn_generic_attr_const(node);
243 * Returns the argument register requirements of a ppc node.
245 const arch_register_req_t **get_ppc32_in_req_all(const ir_node *node) {
246 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
251 * Returns the result register requirements of an ppc node.
253 const arch_register_req_t **get_ppc32_out_req_all(const ir_node *node) {
254 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
255 return attr->out_req;
259 * Returns the argument register requirement at position pos of an ppc node.
261 const arch_register_req_t *get_ppc32_in_req(const ir_node *node, int pos) {
262 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
263 return attr->in_req[pos];
267 * Returns the result register requirement at position pos of an ppc node.
269 const arch_register_req_t *get_ppc32_out_req(const ir_node *node, int pos) {
270 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
271 return attr->out_req[pos];
275 * Sets the OUT register requirements at position pos.
277 void set_ppc32_req_out(ir_node *node, const arch_register_req_t *req, int pos) {
278 ppc32_attr_t *attr = get_ppc32_attr(node);
279 attr->out_req[pos] = req;
283 * Sets the IN register requirements at position pos.
285 void set_ppc32_req_in(ir_node *node, const arch_register_req_t *req, int pos) {
286 ppc32_attr_t *attr = get_ppc32_attr(node);
287 attr->in_req[pos] = req;
291 * Sets the type of the constant (if any)
292 * May be either iro_Const or iro_SymConst
294 /* void set_ppc32_type(const ir_node *node, opcode type) {
295 ppc32_attr_t *attr = get_ppc32_attr(node);
300 * Returns the type of the content (if any)
302 ppc32_attr_content_type get_ppc32_type(const ir_node *node) {
303 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
304 return attr->content_type;
308 * Sets a tarval type content (also updating the content_type)
310 void set_ppc32_constant_tarval(ir_node *node, tarval *const_tarval) {
311 ppc32_attr_t *attr = get_ppc32_attr(node);
312 attr->content_type = ppc32_ac_Const;
313 attr->data.constant_tarval = const_tarval;
317 * Returns a tarval type constant
319 tarval *get_ppc32_constant_tarval(const ir_node *node) {
320 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
321 return attr->data.constant_tarval;
325 * Sets an ident type constant (also updating the content_type)
327 void set_ppc32_symconst_ident(ir_node *node, ident *symconst_ident) {
328 ppc32_attr_t *attr = get_ppc32_attr(node);
329 attr->content_type = ppc32_ac_SymConst;
330 attr->data.symconst_ident = symconst_ident;
334 * Returns an ident type constant
336 ident *get_ppc32_symconst_ident(const ir_node *node) {
337 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
338 return attr->data.symconst_ident;
343 * Sets an entity (also updating the content_type)
345 void set_ppc32_frame_entity(ir_node *node, ir_entity *ent) {
346 ppc32_attr_t *attr = get_ppc32_attr(node);
347 attr->content_type = ppc32_ac_FrameEntity;
348 attr->data.frame_entity = ent;
354 ir_entity *get_ppc32_frame_entity(const ir_node *node) {
355 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
356 return attr->data.frame_entity;
360 * Sets a Rlwimi const (also updating the content_type)
362 void set_ppc32_rlwimi_const(ir_node *node, unsigned shift, unsigned maskA, unsigned maskB) {
363 ppc32_attr_t *attr = get_ppc32_attr(node);
364 attr->content_type = ppc32_ac_RlwimiConst;
365 attr->data.rlwimi_const.shift = shift;
366 attr->data.rlwimi_const.maskA = maskA;
367 attr->data.rlwimi_const.maskB = maskB;
371 * Returns the rlwimi const structure
373 const rlwimi_const_t *get_ppc32_rlwimi_const(const ir_node *node) {
374 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
375 return &attr->data.rlwimi_const;
379 * Sets a Proj number (also updating the content_type)
381 void set_ppc32_proj_nr(ir_node *node, int proj_nr) {
382 ppc32_attr_t *attr = get_ppc32_attr(node);
383 attr->content_type = ppc32_ac_BranchProj;
384 attr->data.proj_nr = proj_nr;
388 * Returns the proj number
390 int get_ppc32_proj_nr(const ir_node *node) {
391 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
392 return attr->data.proj_nr;
396 * Sets an offset for a memory access (also updating the content_type)
398 void set_ppc32_offset(ir_node *node, int offset) {
399 ppc32_attr_t *attr = get_ppc32_attr(node);
400 attr->content_type = ppc32_ac_Offset;
401 attr->data.offset = offset;
407 int get_ppc32_offset(const ir_node *node) {
408 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
409 return attr->data.offset;
413 * Sets the offset mode (ppc32_ao_None, ppc32_ao_Lo16, ppc32_ao_Hi16 or ppc32_ao_Ha16)
415 void set_ppc32_offset_mode(ir_node *node, ppc32_attr_offset_mode mode) {
416 ppc32_attr_t *attr = get_ppc32_attr(node);
417 attr->offset_mode = mode;
421 * Returns the offset mode
423 ppc32_attr_offset_mode get_ppc32_offset_mode(const ir_node *node) {
424 const ppc32_attr_t *attr = get_ppc32_attr_const(node);
425 return attr->offset_mode;
430 * Initializes ppc specific node attributes
432 void init_ppc32_attributes(ir_node *node, int flags,
433 const arch_register_req_t **in_reqs, const arch_register_req_t **out_reqs,
434 const be_execution_unit_t ***execution_units,
436 ir_graph *irg = get_irn_irg(node);
437 struct obstack *obst = get_irg_obstack(irg);
438 ppc32_attr_t *attr = get_ppc32_attr(node);
439 backend_info_t *info;
440 (void) execution_units;
442 arch_irn_set_flags(node, flags);
443 attr->in_req = in_reqs;
444 attr->out_req = out_reqs;
446 attr->content_type = ppc32_ac_None;
447 attr->offset_mode = ppc32_ao_Illegal;
448 attr->data.empty = NULL;
450 info = be_get_info(node);
451 info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_res);
452 memset(info->out_infos, 0, n_res * sizeof(info->out_infos[0]));
456 /***************************************************************************************
459 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
460 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
461 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
462 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
464 ***************************************************************************************/
466 /* Include the generated constructor functions */
467 #include "gen_ppc32_new_nodes.c.inl"