2 * Copyright (C) 1995-2011 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 arm
25 * @author Oliver Richter, Tobias Gneist
34 #include "irgraph_t.h"
45 #include "arm_nodes_attr.h"
46 #include "arm_new_nodes.h"
47 #include "arm_optimize.h"
50 #include "bearch_arm_t.h"
52 const char *arm_get_fpa_imm_name(long imm_value)
54 static const char *fpa_imm[] = {
64 return fpa_imm[imm_value];
67 static bool arm_has_symconst_attr(const ir_node *node)
69 return is_arm_SymConst(node) || is_arm_FrameAddr(node) || is_arm_Bl(node);
72 static bool has_load_store_attr(const ir_node *node)
74 return is_arm_Ldr(node) || is_arm_Str(node) || is_arm_LinkLdrPC(node)
75 || is_arm_Ldf(node) || is_arm_Stf(node);
78 static bool has_shifter_operand(const ir_node *node)
80 return is_arm_Add(node) || is_arm_And(node) || is_arm_Or(node)
81 || is_arm_Eor(node) || is_arm_Bic(node) || is_arm_Sub(node)
82 || is_arm_Rsb(node) || is_arm_Mov(node) || is_arm_Mvn(node)
83 || is_arm_Cmp(node) || is_arm_Tst(node) || is_arm_LinkMovPC(node);
86 static bool has_cmp_attr(const ir_node *node)
88 return is_arm_Cmp(node) || is_arm_Tst(node);
91 static bool has_farith_attr(const ir_node *node)
93 return is_arm_Adf(node) || is_arm_Muf(node) || is_arm_Suf(node)
94 || is_arm_Dvf(node) || is_arm_Mvf(node) || is_arm_FltX(node);
98 * Dumper interface for dumping arm nodes in vcg.
99 * @param F the output file
100 * @param n the node to dump
101 * @param reason indicates which kind of information should be dumped
103 static void arm_dump_node(FILE *F, ir_node *n, dump_reason_t reason)
106 case dump_node_opcode_txt:
107 fprintf(F, "%s", get_irn_opname(n));
109 if (arm_has_symconst_attr(n)) {
110 const arm_SymConst_attr_t *attr = get_arm_SymConst_attr_const(n);
111 if (attr->entity != NULL) {
113 fputs(get_entity_name(attr->entity), F);
118 case dump_node_mode_txt:
119 /* mode isn't relevant in the backend */
122 case dump_node_nodeattr_txt:
123 /* TODO: dump shift modifiers */
126 case dump_node_info_txt:
127 arch_dump_reqs_and_registers(F, n);
129 if (has_load_store_attr(n)) {
130 const arm_load_store_attr_t *attr
131 = get_arm_load_store_attr_const(n);
132 ir_fprintf(F, "load_store_mode = %+F\n", attr->load_store_mode);
133 ir_fprintf(F, "entity = %+F\n", attr->entity);
134 fprintf(F, "offset = %ld\n", attr->offset);
135 fprintf(F, "is_frame_entity = %s\n",
136 attr->is_frame_entity ? "yes" : "no");
137 fprintf(F, "entity_sign = %s\n",
138 attr->entity_sign ? "yes" : "no");
140 if (has_shifter_operand(n)) {
141 const arm_shifter_operand_t *attr
142 = get_arm_shifter_operand_attr_const(n);
143 switch (attr->shift_modifier) {
147 fprintf(F, "modifier = imm %d ror %d\n",
148 attr->immediate_value, attr->shift_immediate);
150 case ARM_SHF_ASR_IMM:
151 fprintf(F, "modifier = V >>s %d\n", attr->shift_immediate);
153 case ARM_SHF_ASR_REG:
154 fprintf(F, "modifier = V >>s R\n");
156 case ARM_SHF_LSL_IMM:
157 fprintf(F, "modifier = V << %d\n", attr->shift_immediate);
159 case ARM_SHF_LSL_REG:
160 fprintf(F, "modifier = V << R\n");
162 case ARM_SHF_LSR_IMM:
163 fprintf(F, "modifier = V >> %d\n", attr->shift_immediate);
165 case ARM_SHF_LSR_REG:
166 fprintf(F, "modifier = V >> R\n");
168 case ARM_SHF_ROR_IMM:
169 fprintf(F, "modifier = V ROR %d\n", attr->shift_immediate);
171 case ARM_SHF_ROR_REG:
172 fprintf(F, "modifier = V ROR R\n");
175 fprintf(F, "modifier = RRX\n");
178 case ARM_SHF_INVALID:
179 fprintf(F, "modifier = INVALID SHIFT MODIFIER\n");
183 if (has_cmp_attr(n)) {
184 const arm_cmp_attr_t *attr = get_arm_cmp_attr_const(n);
185 fprintf(F, "cmp_attr =");
186 if (attr->is_unsigned) {
187 fprintf(F, " unsigned");
189 if (attr->ins_permuted) {
190 fprintf(F, " inputs swapped");
194 if (arm_has_symconst_attr(n)) {
195 const arm_SymConst_attr_t *attr = get_arm_SymConst_attr_const(n);
197 fprintf(F, "entity = ");
198 if (attr->entity != NULL) {
199 fprintf(F, "'%s'", get_entity_name(attr->entity));
204 fprintf(F, "frame offset = %d\n", attr->fp_offset);
206 if (has_farith_attr(n)) {
207 const arm_farith_attr_t *attr = get_arm_farith_attr_const(n);
208 ir_fprintf(F, "arithmetic mode = %+F\n", attr->mode);
214 arm_attr_t *get_arm_attr(ir_node *node)
216 assert(is_arm_irn(node) && "need arm node to get attributes");
217 return (arm_attr_t*)get_irn_generic_attr(node);
220 const arm_attr_t *get_arm_attr_const(const ir_node *node)
222 assert(is_arm_irn(node) && "need arm node to get attributes");
223 return (const arm_attr_t*)get_irn_generic_attr_const(node);
226 static bool has_symconst_attr(const ir_node *node)
228 return is_arm_SymConst(node) || is_arm_FrameAddr(node) || is_arm_Bl(node);
231 arm_SymConst_attr_t *get_arm_SymConst_attr(ir_node *node)
233 assert(has_symconst_attr(node));
234 return (arm_SymConst_attr_t*)get_irn_generic_attr(node);
237 const arm_SymConst_attr_t *get_arm_SymConst_attr_const(const ir_node *node)
239 assert(has_symconst_attr(node));
240 return (const arm_SymConst_attr_t*)get_irn_generic_attr_const(node);
243 static const arm_fConst_attr_t *get_arm_fConst_attr_const(const ir_node *node)
245 assert(is_arm_fConst(node));
246 return (const arm_fConst_attr_t*)get_irn_generic_attr_const(node);
249 static arm_fConst_attr_t *get_arm_fConst_attr(ir_node *node)
251 assert(is_arm_fConst(node));
252 return (arm_fConst_attr_t*)get_irn_generic_attr(node);
255 arm_farith_attr_t *get_arm_farith_attr(ir_node *node)
257 assert(has_farith_attr(node));
258 return (arm_farith_attr_t*)get_irn_generic_attr(node);
261 const arm_farith_attr_t *get_arm_farith_attr_const(const ir_node *node)
263 assert(has_farith_attr(node));
264 return (const arm_farith_attr_t*)get_irn_generic_attr_const(node);
267 arm_CondJmp_attr_t *get_arm_CondJmp_attr(ir_node *node)
269 assert(is_arm_B(node));
270 return (arm_CondJmp_attr_t*)get_irn_generic_attr(node);
273 const arm_CondJmp_attr_t *get_arm_CondJmp_attr_const(const ir_node *node)
275 assert(is_arm_B(node));
276 return (const arm_CondJmp_attr_t*)get_irn_generic_attr_const(node);
279 arm_SwitchJmp_attr_t *get_arm_SwitchJmp_attr(ir_node *node)
281 assert(is_arm_SwitchJmp(node));
282 return (arm_SwitchJmp_attr_t*)get_irn_generic_attr(node);
285 const arm_SwitchJmp_attr_t *get_arm_SwitchJmp_attr_const(const ir_node *node)
287 assert(is_arm_SwitchJmp(node));
288 return (const arm_SwitchJmp_attr_t*)get_irn_generic_attr_const(node);
291 arm_CopyB_attr_t *get_arm_CopyB_attr(ir_node *node)
293 assert(is_arm_CopyB(node));
294 return (arm_CopyB_attr_t*)get_irn_generic_attr(node);
297 const arm_CopyB_attr_t *get_arm_CopyB_attr_const(const ir_node *node)
299 assert(is_arm_CopyB(node));
300 return (const arm_CopyB_attr_t*)get_irn_generic_attr_const(node);
303 ir_tarval *get_fConst_value(const ir_node *node)
305 const arm_fConst_attr_t *attr = get_arm_fConst_attr_const(node);
309 void set_fConst_value(ir_node *node, ir_tarval *tv)
311 arm_fConst_attr_t *attr = get_arm_fConst_attr(node);
315 ir_relation get_arm_CondJmp_relation(const ir_node *node)
317 const arm_CondJmp_attr_t *attr = get_arm_CondJmp_attr_const(node);
318 return attr->relation;
321 void set_arm_CondJmp_relation(ir_node *node, ir_relation relation)
323 arm_CondJmp_attr_t *attr = get_arm_CondJmp_attr(node);
324 attr->relation = relation;
327 /* Set the ARM machine node attributes to default values. */
328 static void init_arm_attributes(ir_node *node, arch_irn_flags_t flags,
329 const arch_register_req_t ** in_reqs,
330 const be_execution_unit_t ***execution_units,
333 ir_graph *irg = get_irn_irg(node);
334 struct obstack *obst = get_irg_obstack(irg);
335 arm_attr_t *attr = get_arm_attr(node);
336 backend_info_t *info;
337 (void) execution_units;
339 arch_set_irn_flags(node, flags);
340 arch_set_irn_register_reqs_in(node, in_reqs);
341 attr->is_load_store = false;
343 info = be_get_info(node);
344 info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_res);
345 memset(info->out_infos, 0, n_res * sizeof(info->out_infos[0]));
348 static void init_arm_load_store_attributes(ir_node *res, ir_mode *ls_mode,
350 int entity_sign, long offset,
351 bool is_frame_entity)
353 arm_load_store_attr_t *attr = get_arm_load_store_attr(res);
354 attr->load_store_mode = ls_mode;
355 attr->entity = entity;
356 attr->entity_sign = entity_sign;
357 attr->is_frame_entity = is_frame_entity;
358 attr->offset = offset;
359 attr->base.is_load_store = true;
362 static void init_arm_shifter_operand(ir_node *res, unsigned immediate_value,
363 arm_shift_modifier_t shift_modifier,
364 unsigned shift_immediate)
366 arm_shifter_operand_t *attr = get_arm_shifter_operand_attr(res);
367 attr->immediate_value = immediate_value;
368 attr->shift_modifier = shift_modifier;
369 attr->shift_immediate = shift_immediate;
372 static void init_arm_cmp_attr(ir_node *res, bool ins_permuted, bool is_unsigned)
374 arm_cmp_attr_t *attr = get_arm_cmp_attr(res);
375 attr->ins_permuted = ins_permuted;
376 attr->is_unsigned = is_unsigned;
379 static void init_arm_SymConst_attributes(ir_node *res, ir_entity *entity,
382 arm_SymConst_attr_t *attr = get_arm_SymConst_attr(res);
383 attr->entity = entity;
384 attr->fp_offset = symconst_offset;
387 static void init_arm_farith_attributes(ir_node *res, ir_mode *mode)
389 arm_farith_attr_t *attr = get_arm_farith_attr(res);
393 static void init_arm_CopyB_attributes(ir_node *res, unsigned size)
395 arm_CopyB_attr_t *attr = get_arm_CopyB_attr(res);
399 static void init_arm_SwitchJmp_attributes(ir_node *res,
400 const ir_switch_table *table)
402 unsigned n_outs = arch_get_irn_n_outs(res);
405 arm_SwitchJmp_attr_t *attr = get_arm_SwitchJmp_attr(res);
408 for (o = 0; o < n_outs; ++o) {
409 arch_set_irn_register_req_out(res, o, arch_no_register_req);
413 static int cmp_attr_arm(const ir_node *a, const ir_node *b)
420 static int cmp_attr_arm_SymConst(const ir_node *a, const ir_node *b)
422 const arm_SymConst_attr_t *attr_a;
423 const arm_SymConst_attr_t *attr_b;
425 if (cmp_attr_arm(a, b))
428 attr_a = get_arm_SymConst_attr_const(a);
429 attr_b = get_arm_SymConst_attr_const(b);
430 return attr_a->entity != attr_b->entity
431 || attr_a->fp_offset != attr_b->fp_offset;
434 static int cmp_attr_arm_CopyB(const ir_node *a, const ir_node *b)
436 const arm_CopyB_attr_t *attr_a;
437 const arm_CopyB_attr_t *attr_b;
439 if (cmp_attr_arm(a, b))
442 attr_a = get_arm_CopyB_attr_const(a);
443 attr_b = get_arm_CopyB_attr_const(b);
444 return attr_a->size != attr_b->size;
447 static int cmp_attr_arm_CondJmp(const ir_node *a, const ir_node *b)
451 /* never identical */
455 static int cmp_attr_arm_SwitchJmp(const ir_node *a, const ir_node *b)
459 /* never identical */
463 static int cmp_attr_arm_fConst(const ir_node *a, const ir_node *b)
465 const arm_fConst_attr_t *attr_a;
466 const arm_fConst_attr_t *attr_b;
468 if (cmp_attr_arm(a, b))
471 attr_a = get_arm_fConst_attr_const(a);
472 attr_b = get_arm_fConst_attr_const(b);
474 return attr_a->tv != attr_b->tv;
478 arm_load_store_attr_t *get_arm_load_store_attr(ir_node *node)
480 return (arm_load_store_attr_t*) get_irn_generic_attr(node);
483 const arm_load_store_attr_t *get_arm_load_store_attr_const(const ir_node *node)
485 return (const arm_load_store_attr_t*) get_irn_generic_attr_const(node);
488 arm_shifter_operand_t *get_arm_shifter_operand_attr(ir_node *node)
490 return (arm_shifter_operand_t*) get_irn_generic_attr(node);
493 const arm_shifter_operand_t *get_arm_shifter_operand_attr_const(
496 return (const arm_shifter_operand_t*) get_irn_generic_attr_const(node);
499 arm_cmp_attr_t *get_arm_cmp_attr(ir_node *node)
501 return (arm_cmp_attr_t*) get_irn_generic_attr(node);
504 const arm_cmp_attr_t *get_arm_cmp_attr_const(const ir_node *node)
506 return (const arm_cmp_attr_t*) get_irn_generic_attr_const(node);
509 static int cmp_attr_arm_load_store(const ir_node *a, const ir_node *b)
511 const arm_load_store_attr_t *attr_a;
512 const arm_load_store_attr_t *attr_b;
514 if (cmp_attr_arm(a, b))
517 attr_a = get_arm_load_store_attr_const(a);
518 attr_b = get_arm_load_store_attr_const(b);
519 if (attr_a->entity != attr_b->entity
520 || attr_a->entity_sign != attr_b->entity_sign
521 || attr_a->offset != attr_b->offset)
527 static int cmp_attr_arm_shifter_operand(const ir_node *a, const ir_node *b)
529 const arm_shifter_operand_t *attr_a;
530 const arm_shifter_operand_t *attr_b;
532 if (cmp_attr_arm(a, b))
535 attr_a = get_arm_shifter_operand_attr_const(a);
536 attr_b = get_arm_shifter_operand_attr_const(b);
537 if (attr_a->shift_modifier != attr_b->shift_modifier
538 || attr_a->immediate_value != attr_b->immediate_value
539 || attr_a->shift_immediate != attr_b->shift_immediate)
545 static int cmp_attr_arm_cmp(const ir_node *a, const ir_node *b)
547 const arm_cmp_attr_t *attr_a;
548 const arm_cmp_attr_t *attr_b;
550 if (cmp_attr_arm(a, b))
553 attr_a = get_arm_cmp_attr_const(a);
554 attr_b = get_arm_cmp_attr_const(b);
555 if (attr_a->ins_permuted != attr_b->ins_permuted
556 || attr_a->is_unsigned != attr_b->is_unsigned)
561 static int cmp_attr_arm_farith(const ir_node *a, const ir_node *b)
563 const arm_farith_attr_t *attr_a;
564 const arm_farith_attr_t *attr_b;
566 if (cmp_attr_arm(a, b))
569 attr_a = get_arm_farith_attr_const(a);
570 attr_b = get_arm_farith_attr_const(b);
571 return attr_a->mode != attr_b->mode;
574 /** copies the ARM attributes of a node. */
575 static void arm_copy_attr(ir_graph *irg, const ir_node *old_node,
578 struct obstack *obst = get_irg_obstack(irg);
579 const arm_attr_t *attr_old = get_arm_attr_const(old_node);
580 arm_attr_t *attr_new = get_arm_attr(new_node);
581 backend_info_t *old_info = be_get_info(old_node);
582 backend_info_t *new_info = be_get_info(new_node);
584 /* copy the attributes */
585 memcpy(attr_new, attr_old, get_op_attr_size(get_irn_op(old_node)));
588 new_info->flags = old_info->flags;
589 new_info->out_infos =
590 DUP_ARR_D(reg_out_info_t, obst, old_info->out_infos);
591 new_info->in_reqs = old_info->in_reqs;
595 /* Include the generated constructor functions */
596 #include "gen_arm_new_nodes.c.inl"