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 Handling of ia32 specific firm opcodes.
23 * @author Christian Wuerdig
26 * This file implements the creation of the achitecture specific firm opcodes
27 * and the coresponding node constructors for the ia32 assembler irg.
36 #include "irgraph_t.h"
42 #include "firm_common_t.h"
47 #include "raw_bitset.h"
50 #include "../bearch_t.h"
52 #include "bearch_ia32_t.h"
53 #include "ia32_nodes_attr.h"
54 #include "ia32_new_nodes.h"
55 #include "gen_ia32_regalloc_if.h"
56 #include "gen_ia32_machine.h"
59 * returns true if a node has x87 registers
61 int ia32_has_x87_register(const ir_node *n) {
62 assert(is_ia32_irn(n) && "Need ia32 node.");
63 return is_irn_machine_user(n, 0);
66 /***********************************************************************************
69 * __| |_ _ _ __ ___ _ __ ___ _ __ _ _ __ | |_ ___ _ __| |_ __ _ ___ ___
70 * / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__| _/ _` |/ __/ _ \
71 * | (_| | |_| | | | | | | |_) | __/ | | | | | | || __/ | | || (_| | (_| __/
72 * \__,_|\__,_|_| |_| |_| .__/ \___|_| |_|_| |_|\__\___|_| |_| \__,_|\___\___|
75 ***********************************************************************************/
78 * Dumps the register requirements for either in or out.
80 static void dump_reg_req(FILE *F, ir_node *n, const arch_register_req_t **reqs,
82 char *dir = inout ? "out" : "in";
83 int max = inout ? get_ia32_n_res(n) : get_irn_arity(n);
87 memset(buf, 0, sizeof(buf));
90 for (i = 0; i < max; i++) {
91 fprintf(F, "%sreq #%d =", dir, i);
93 if (reqs[i]->type == arch_register_req_type_none) {
97 if (reqs[i]->type & arch_register_req_type_normal) {
98 fprintf(F, " %s", reqs[i]->cls->name);
101 if (reqs[i]->type & arch_register_req_type_limited) {
103 arch_register_req_format(buf, sizeof(buf), reqs[i], n));
106 if (reqs[i]->type & arch_register_req_type_should_be_same) {
107 ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->other_same));
110 if (reqs[i]->type & arch_register_req_type_should_be_different) {
111 ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->other_different));
120 fprintf(F, "%sreq = N/A\n", dir);
125 * Dumper interface for dumping ia32 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 ia32_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
132 ir_mode *mode = NULL;
134 int i, n_res, am_flav, flags;
135 const arch_register_req_t **reqs;
136 const arch_register_t **slots;
139 case dump_node_opcode_txt:
140 fprintf(F, "%s", get_irn_opname(n));
143 case dump_node_mode_txt:
144 mode = get_irn_mode(n);
146 if (is_ia32_Ld(n) || is_ia32_St(n)) {
147 mode = get_ia32_ls_mode(n);
150 fprintf(F, "[%s]", mode ? get_mode_name(mode) : "?NOMODE?");
153 case dump_node_nodeattr_txt:
154 if (is_ia32_ImmConst(n) || is_ia32_ImmSymConst(n)) {
155 if(is_ia32_ImmSymConst(n)) {
156 ir_entity *ent = get_ia32_Immop_symconst(n);
157 ident *id = get_entity_ld_ident(ent);
158 fprintf(F, "[SymC %s]", get_id_str(id));
161 tarval *tv = get_ia32_Immop_tarval(n);
163 tarval_snprintf(buf, sizeof(buf), tv);
164 fprintf(F, "[%s]", buf);
168 if (! is_ia32_Lea(n)) {
169 if (is_ia32_AddrModeS(n)) {
170 fprintf(F, "[AM S] ");
172 else if (is_ia32_AddrModeD(n)) {
173 fprintf(F, "[AM D] ");
179 case dump_node_info_txt:
180 n_res = get_ia32_n_res(n);
181 fprintf(F, "=== IA32 attr begin ===\n");
183 /* dump IN requirements */
184 if (get_irn_arity(n) > 0) {
185 reqs = get_ia32_in_req_all(n);
186 dump_reg_req(F, n, reqs, 0);
189 /* dump OUT requirements */
191 reqs = get_ia32_out_req_all(n);
192 dump_reg_req(F, n, reqs, 1);
195 /* dump assigned registers */
196 slots = get_ia32_slots(n);
197 if (slots && n_res > 0) {
198 for (i = 0; i < n_res; i++) {
199 const arch_register_t *reg;
201 /* retrieve "real" x87 register */
202 if (ia32_has_x87_register(n))
203 reg = get_ia32_attr(n)->x87[i + 2];
207 fprintf(F, "reg #%d = %s\n", i, reg ? arch_register_get_name(reg) : "n/a");
214 switch (get_ia32_op_type(n)) {
216 fprintf(F, "Normal");
219 fprintf(F, "AM Dest (Load+Store)");
222 fprintf(F, "AM Source (Load)");
225 fprintf(F, "unknown (%d)", get_ia32_op_type(n));
230 /* dump immop type */
231 fprintf(F, "immediate = ");
232 switch (get_ia32_immop_type(n)) {
239 case ia32_ImmSymConst:
240 fprintf(F, "SymConst");
243 fprintf(F, "unknown (%d)", get_ia32_immop_type(n));
248 /* dump supported am */
249 fprintf(F, "AM support = ");
250 switch (get_ia32_am_support(n)) {
255 fprintf(F, "source only (Load)");
258 fprintf(F, "dest only (Load+Store)");
264 fprintf(F, "unknown (%d)", get_ia32_am_support(n));
269 /* dump am flavour */
270 fprintf(F, "AM flavour =");
271 am_flav = get_ia32_am_flavour(n);
272 if (am_flav == ia32_am_N) {
276 if (am_flav & ia32_O) {
279 if (am_flav & ia32_B) {
282 if (am_flav & ia32_I) {
285 if (am_flav & ia32_S) {
289 fprintf(F, " (%d)\n", am_flav);
292 if(get_ia32_am_offs_int(n) != 0) {
293 fprintf(F, "AM offset = %d\n", get_ia32_am_offs_int(n));
296 /* dump AM symconst */
297 if(get_ia32_am_sc(n) != NULL) {
298 ir_entity *ent = get_ia32_am_sc(n);
299 ident *id = get_entity_ld_ident(ent);
300 fprintf(F, "AM symconst = %s\n", get_id_str(id));
304 fprintf(F, "AM scale = %d\n", get_ia32_am_scale(n));
307 if(is_ia32_SwitchJmp(n)) {
308 fprintf(F, "pn_code = %d\n", get_ia32_pncode(n));
310 if(get_ia32_pncode(n) & ia32_pn_Cmp_Unsigned) {
311 int pnc = get_ia32_pncode(n);
312 fprintf(F, "pn_code = %d (%s, unsigned)\n",
313 pnc, get_pnc_string(pnc & ~ia32_pn_Cmp_Unsigned));
315 fprintf(F, "pn_code = %d (%s)\n", get_ia32_pncode(n),
316 get_pnc_string(get_ia32_pncode(n)));
321 fprintf(F, "n_res = %d\n", get_ia32_n_res(n));
324 fprintf(F, "use_frame = %d\n", is_ia32_use_frame(n));
327 fprintf(F, "commutative = %d\n", is_ia32_commutative(n));
330 fprintf(F, "emit cl instead of ecx = %d\n", is_ia32_emit_cl(n));
333 fprintf(F, "got loea = %d\n", is_ia32_got_lea(n));
336 fprintf(F, "need stackent = %d\n", is_ia32_need_stackent(n));
339 fprintf(F, "latency = %d\n", get_ia32_latency(n));
342 fprintf(F, "flags =");
343 flags = get_ia32_flags(n);
344 if (flags == arch_irn_flags_none) {
348 if (flags & arch_irn_flags_dont_spill) {
349 fprintf(F, " unspillable");
351 if (flags & arch_irn_flags_rematerializable) {
352 fprintf(F, " remat");
354 if (flags & arch_irn_flags_ignore) {
355 fprintf(F, " ignore");
357 if (flags & arch_irn_flags_modify_sp) {
358 fprintf(F, " modify_sp");
361 fprintf(F, " (%d)\n", flags);
363 /* dump frame entity */
364 fprintf(F, "frame entity = ");
365 if (get_ia32_frame_ent(n)) {
366 ir_fprintf(F, "%+F", get_ia32_frame_ent(n));
374 fprintf(F, "ls_mode = ");
375 if (get_ia32_ls_mode(n)) {
376 ir_fprintf(F, "%+F", get_ia32_ls_mode(n));
384 /* dump original ir node name */
385 fprintf(F, "orig node = ");
386 if (get_ia32_orig_node(n)) {
387 fprintf(F, "%s", get_ia32_orig_node(n));
395 fprintf(F, "=== IA32 attr end ===\n");
396 /* end of: case dump_node_info_txt */
405 /***************************************************************************************************
407 * | | | | | | / / | | | | | | | |
408 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
409 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
410 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
411 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
414 ***************************************************************************************************/
417 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
418 * Firm was made by people hating const :-(
420 ia32_attr_t *get_ia32_attr(const ir_node *node) {
421 assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
422 return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
426 * Gets the type of an ia32 node.
428 ia32_op_type_t get_ia32_op_type(const ir_node *node) {
429 ia32_attr_t *attr = get_ia32_attr(node);
430 return attr->data.tp;
434 * Sets the type of an ia32 node.
436 void set_ia32_op_type(ir_node *node, ia32_op_type_t tp) {
437 ia32_attr_t *attr = get_ia32_attr(node);
442 * Gets the immediate op type of an ia32 node.
444 ia32_immop_type_t get_ia32_immop_type(const ir_node *node) {
445 ia32_attr_t *attr = get_ia32_attr(node);
446 return attr->data.imm_tp;
450 * Gets the supported address mode of an ia32 node
452 ia32_am_type_t get_ia32_am_support(const ir_node *node) {
453 ia32_attr_t *attr = get_ia32_attr(node);
454 return attr->data.am_support;
458 * Sets the supported address mode of an ia32 node
460 void set_ia32_am_support(ir_node *node, ia32_am_type_t am_tp) {
461 ia32_attr_t *attr = get_ia32_attr(node);
462 attr->data.am_support = am_tp;
466 * Gets the address mode flavour of an ia32 node
468 ia32_am_flavour_t get_ia32_am_flavour(const ir_node *node) {
469 ia32_attr_t *attr = get_ia32_attr(node);
470 return attr->data.am_flavour;
474 * Sets the address mode flavour of an ia32 node
476 void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
477 ia32_attr_t *attr = get_ia32_attr(node);
478 attr->data.am_flavour = am_flavour;
482 * Gets the address mode offset as int.
484 int get_ia32_am_offs_int(const ir_node *node) {
485 ia32_attr_t *attr = get_ia32_attr(node);
486 return attr->am_offs;
490 * Sets the address mode offset from an int.
492 void set_ia32_am_offs_int(ir_node *node, int offset) {
493 ia32_attr_t *attr = get_ia32_attr(node);
494 attr->am_offs = offset;
497 void add_ia32_am_offs_int(ir_node *node, int offset) {
498 ia32_attr_t *attr = get_ia32_attr(node);
499 attr->am_offs += offset;
503 * Returns the symconst entity associated to address mode.
505 ir_entity *get_ia32_am_sc(const ir_node *node) {
506 ia32_attr_t *attr = get_ia32_attr(node);
511 * Sets the symconst entity associated to address mode.
513 void set_ia32_am_sc(ir_node *node, ir_entity *entity) {
514 ia32_attr_t *attr = get_ia32_attr(node);
515 attr->am_sc = entity;
519 * Sets the sign bit for address mode symconst.
521 void set_ia32_am_sc_sign(ir_node *node) {
522 ia32_attr_t *attr = get_ia32_attr(node);
523 attr->data.am_sc_sign = 1;
527 * Clears the sign bit for address mode symconst.
529 void clear_ia32_am_sc_sign(ir_node *node) {
530 ia32_attr_t *attr = get_ia32_attr(node);
531 attr->data.am_sc_sign = 0;
535 * Returns the sign bit for address mode symconst.
537 int is_ia32_am_sc_sign(const ir_node *node) {
538 ia32_attr_t *attr = get_ia32_attr(node);
539 return attr->data.am_sc_sign;
543 * Gets the addr mode const.
545 int get_ia32_am_scale(const ir_node *node) {
546 ia32_attr_t *attr = get_ia32_attr(node);
547 return attr->data.am_scale;
551 * Sets the index register scale for address mode.
553 void set_ia32_am_scale(ir_node *node, int scale) {
554 ia32_attr_t *attr = get_ia32_attr(node);
555 attr->data.am_scale = scale;
559 * Return the tarval of an immediate operation or NULL in case of SymConst
561 tarval *get_ia32_Immop_tarval(const ir_node *node) {
562 ia32_attr_t *attr = get_ia32_attr(node);
563 assert(attr->data.imm_tp == ia32_ImmConst);
564 return attr->cnst_val.tv;
568 * Sets the attributes of an immediate operation to the specified tarval
570 void set_ia32_Immop_tarval(ir_node *node, tarval *tv) {
571 ia32_attr_t *attr = get_ia32_attr(node);
572 attr->data.imm_tp = ia32_ImmConst;
573 attr->cnst_val.tv = tv;
576 void set_ia32_Immop_symconst(ir_node *node, ir_entity *entity) {
577 ia32_attr_t *attr = get_ia32_attr(node);
578 attr->data.imm_tp = ia32_ImmSymConst;
579 attr->cnst_val.sc = entity;
582 ir_entity *get_ia32_Immop_symconst(const ir_node *node) {
583 ia32_attr_t *attr = get_ia32_attr(node);
584 assert(attr->data.imm_tp == ia32_ImmSymConst);
585 return attr->cnst_val.sc;
589 * Sets the uses_frame flag.
591 void set_ia32_use_frame(ir_node *node) {
592 ia32_attr_t *attr = get_ia32_attr(node);
593 attr->data.use_frame = 1;
597 * Clears the uses_frame flag.
599 void clear_ia32_use_frame(ir_node *node) {
600 ia32_attr_t *attr = get_ia32_attr(node);
601 attr->data.use_frame = 0;
605 * Gets the uses_frame flag.
607 int is_ia32_use_frame(const ir_node *node) {
608 ia32_attr_t *attr = get_ia32_attr(node);
609 return attr->data.use_frame;
613 * Sets node to commutative.
615 void set_ia32_commutative(ir_node *node) {
616 ia32_attr_t *attr = get_ia32_attr(node);
617 attr->data.is_commutative = 1;
621 * Sets node to non-commutative.
623 void clear_ia32_commutative(ir_node *node) {
624 ia32_attr_t *attr = get_ia32_attr(node);
625 attr->data.is_commutative = 0;
629 * Checks if node is commutative.
631 int is_ia32_commutative(const ir_node *node) {
632 ia32_attr_t *attr = get_ia32_attr(node);
633 return attr->data.is_commutative;
639 void set_ia32_emit_cl(ir_node *node) {
640 ia32_attr_t *attr = get_ia32_attr(node);
641 attr->data.emit_cl = 1;
645 * Clears node emit_cl.
647 void clear_ia32_emit_cl(ir_node *node) {
648 ia32_attr_t *attr = get_ia32_attr(node);
649 attr->data.emit_cl = 0;
653 * Checks if node needs %cl.
655 int is_ia32_emit_cl(const ir_node *node) {
656 ia32_attr_t *attr = get_ia32_attr(node);
657 return attr->data.emit_cl;
663 void set_ia32_got_lea(ir_node *node) {
664 ia32_attr_t *attr = get_ia32_attr(node);
665 attr->data.got_lea = 1;
669 * Clears node got_lea.
671 void clear_ia32_got_lea(ir_node *node) {
672 ia32_attr_t *attr = get_ia32_attr(node);
673 attr->data.got_lea = 0;
677 * Checks if node got lea.
679 int is_ia32_got_lea(const ir_node *node) {
680 ia32_attr_t *attr = get_ia32_attr(node);
681 return attr->data.got_lea;
684 void set_ia32_need_stackent(ir_node *node) {
685 ia32_attr_t *attr = get_ia32_attr(node);
686 attr->data.need_stackent = 1;
689 void clear_ia32_need_stackent(ir_node *node) {
690 ia32_attr_t *attr = get_ia32_attr(node);
691 attr->data.need_stackent = 0;
694 int is_ia32_need_stackent(const ir_node *node) {
695 ia32_attr_t *attr = get_ia32_attr(node);
696 return attr->data.need_stackent;
700 * Gets the mode of the stored/loaded value (only set for Store/Load)
702 ir_mode *get_ia32_ls_mode(const ir_node *node) {
703 ia32_attr_t *attr = get_ia32_attr(node);
704 return attr->ls_mode;
708 * Sets the mode of the stored/loaded value (only set for Store/Load)
710 void set_ia32_ls_mode(ir_node *node, ir_mode *mode) {
711 ia32_attr_t *attr = get_ia32_attr(node);
712 attr->ls_mode = mode;
716 * Gets the frame entity assigned to this node.
718 ir_entity *get_ia32_frame_ent(const ir_node *node) {
719 ia32_attr_t *attr = get_ia32_attr(node);
720 return attr->frame_ent;
724 * Sets the frame entity for this node.
726 void set_ia32_frame_ent(ir_node *node, ir_entity *ent) {
727 ia32_attr_t *attr = get_ia32_attr(node);
728 attr->frame_ent = ent;
730 set_ia32_use_frame(node);
732 clear_ia32_use_frame(node);
737 * Gets the instruction latency.
739 unsigned get_ia32_latency(const ir_node *node) {
740 ia32_attr_t *attr = get_ia32_attr(node);
741 return attr->latency;
745 * Sets the instruction latency.
747 void set_ia32_latency(ir_node *node, unsigned latency) {
748 ia32_attr_t *attr = get_ia32_attr(node);
749 attr->latency = latency;
753 * Returns the argument register requirements of an ia32 node.
755 const arch_register_req_t **get_ia32_in_req_all(const ir_node *node) {
756 ia32_attr_t *attr = get_ia32_attr(node);
761 * Sets the argument register requirements of an ia32 node.
763 void set_ia32_in_req_all(ir_node *node, const arch_register_req_t **reqs) {
764 ia32_attr_t *attr = get_ia32_attr(node);
769 * Returns the result register requirements of an ia32 node.
771 const arch_register_req_t **get_ia32_out_req_all(const ir_node *node) {
772 ia32_attr_t *attr = get_ia32_attr(node);
773 return attr->out_req;
777 * Sets the result register requirements of an ia32 node.
779 void set_ia32_out_req_all(ir_node *node, const arch_register_req_t **reqs) {
780 ia32_attr_t *attr = get_ia32_attr(node);
781 attr->out_req = reqs;
785 * Returns the argument register requirement at position pos of an ia32 node.
787 const arch_register_req_t *get_ia32_in_req(const ir_node *node, int pos) {
788 ia32_attr_t *attr = get_ia32_attr(node);
789 if(attr->in_req == NULL)
790 return arch_no_register_req;
792 return attr->in_req[pos];
796 * Returns the result register requirement at position pos of an ia32 node.
798 const arch_register_req_t *get_ia32_out_req(const ir_node *node, int pos) {
799 ia32_attr_t *attr = get_ia32_attr(node);
800 if(attr->out_req == NULL)
801 return arch_no_register_req;
803 return attr->out_req[pos];
807 * Sets the OUT register requirements at position pos.
809 void set_ia32_req_out(ir_node *node, const arch_register_req_t *req, int pos) {
810 ia32_attr_t *attr = get_ia32_attr(node);
811 attr->out_req[pos] = req;
815 * Sets the IN register requirements at position pos.
817 void set_ia32_req_in(ir_node *node, const arch_register_req_t *req, int pos) {
818 ia32_attr_t *attr = get_ia32_attr(node);
819 attr->in_req[pos] = req;
823 * Returns the register flag of an ia32 node.
825 arch_irn_flags_t get_ia32_flags(const ir_node *node) {
826 ia32_attr_t *attr = get_ia32_attr(node);
827 return attr->data.flags;
831 * Sets the register flag of an ia32 node.
833 void set_ia32_flags(ir_node *node, arch_irn_flags_t flags) {
834 ia32_attr_t *attr = get_ia32_attr(node);
835 attr->data.flags = flags;
839 * Returns the result register slots of an ia32 node.
841 const arch_register_t **get_ia32_slots(const ir_node *node) {
842 ia32_attr_t *attr = get_ia32_attr(node);
847 * Sets the number of results.
849 void set_ia32_n_res(ir_node *node, int n_res) {
850 ia32_attr_t *attr = get_ia32_attr(node);
851 attr->data.n_res = n_res;
855 * Returns the number of results.
857 int get_ia32_n_res(const ir_node *node) {
858 ia32_attr_t *attr = get_ia32_attr(node);
859 return attr->data.n_res;
863 * Returns the flavour of an ia32 node,
865 ia32_op_flavour_t get_ia32_flavour(const ir_node *node) {
866 ia32_attr_t *attr = get_ia32_attr(node);
867 return attr->data.op_flav;
871 * Sets the flavour of an ia32 node to flavour_Div/Mod/DivMod/Mul/Mulh.
873 void set_ia32_flavour(ir_node *node, ia32_op_flavour_t op_flav) {
874 ia32_attr_t *attr = get_ia32_attr(node);
875 attr->data.op_flav = op_flav;
879 * Returns the projnum code.
881 pn_Cmp get_ia32_pncode(const ir_node *node) {
882 ia32_attr_t *attr = get_ia32_attr(node);
883 return attr->pn_code;
887 * Sets the projnum code
889 void set_ia32_pncode(ir_node *node, pn_Cmp code) {
890 ia32_attr_t *attr = get_ia32_attr(node);
891 attr->pn_code = code;
895 * Sets the flags for the n'th out.
897 void set_ia32_out_flags(ir_node *node, arch_irn_flags_t flags, int pos) {
898 ia32_attr_t *attr = get_ia32_attr(node);
899 assert(pos < (int) attr->data.n_res && "Invalid OUT position.");
900 attr->out_flags[pos] = flags;
904 * Gets the flags for the n'th out.
906 arch_irn_flags_t get_ia32_out_flags(const ir_node *node, int pos) {
907 ia32_attr_t *attr = get_ia32_attr(node);
908 return pos < (int)attr->data.n_res ? attr->out_flags[pos] : arch_irn_flags_none;
912 * Get the list of available execution units.
914 const be_execution_unit_t ***get_ia32_exec_units(const ir_node *node) {
915 ia32_attr_t *attr = get_ia32_attr(node);
916 return attr->exec_units;
920 * Get the exception label attribute.
922 unsigned get_ia32_exc_label(const ir_node *node) {
923 ia32_attr_t *attr = get_ia32_attr(node);
924 return attr->data.except_label;
928 * Set the exception label attribute.
930 void set_ia32_exc_label(ir_node *node, unsigned flag) {
931 ia32_attr_t *attr = get_ia32_attr(node);
932 attr->data.except_label = flag;
938 * Returns the name of the original ir node.
940 const char *get_ia32_orig_node(const ir_node *node) {
941 ia32_attr_t *attr = get_ia32_attr(node);
942 return attr->orig_node;
946 * Sets the name of the original ir node.
948 void set_ia32_orig_node(ir_node *node, const char *name) {
949 ia32_attr_t *attr = get_ia32_attr(node);
950 attr->orig_node = name;
955 /******************************************************************************************************
957 * (_) | | | | | | / _| | | (_)
958 * ___ _ __ ___ ___ _ __ _| | __ _| |_| |_ _ __ | |_ _ _ _ __ ___| |_ _ ___ _ __ ___
959 * / __| '_ \ / _ \/ __| |/ _` | | / _` | __| __| '__| | _| | | | '_ \ / __| __| |/ _ \| '_ \ / __|
960 * \__ \ |_) | __/ (__| | (_| | | | (_| | |_| |_| | | | | |_| | | | | (__| |_| | (_) | | | | \__ \
961 * |___/ .__/ \___|\___|_|\__,_|_| \__,_|\__|\__|_| |_| \__,_|_| |_|\___|\__|_|\___/|_| |_| |___/
964 ******************************************************************************************************/
967 * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
969 void copy_ia32_Immop_attr(ir_node *node, ir_node *from) {
970 ia32_immop_type_t immop_type = get_ia32_immop_type(from);
972 if(immop_type == ia32_ImmConst) {
973 set_ia32_Immop_tarval(node, get_ia32_Immop_tarval(from));
974 } else if(immop_type == ia32_ImmSymConst) {
975 set_ia32_Immop_symconst(node, get_ia32_Immop_symconst(from));
977 ia32_attr_t *attr = get_ia32_attr(node);
978 assert(immop_type == ia32_ImmNone);
979 attr->data.imm_tp = ia32_ImmNone;
984 * Copy the attributes from a Firm Const/SymConst to an ia32_Const
986 void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
987 assert(is_ia32_Cnst(ia32_cnst) && "Need ia32_Const to set Const attr");
989 switch (get_irn_opcode(cnst)) {
991 set_ia32_Const_tarval(ia32_cnst, get_Const_tarval(cnst));
994 assert(get_SymConst_kind(cnst) == symconst_addr_ent);
995 set_ia32_Immop_symconst(ia32_cnst, get_SymConst_entity(cnst));
998 assert(0 && "Unknown Const NYI");
1001 assert(0 && "Cannot create ia32_Const for this opcode");
1005 void set_ia32_Const_tarval(ir_node *ia32_cnst, tarval *tv) {
1007 if(mode_is_reference(get_tarval_mode(tv))) {
1008 if(tarval_is_null(tv)) {
1009 tv = get_tarval_null(mode_Iu);
1013 if(!tarval_is_long(tv))
1014 panic("Can't convert reference tarval to mode_Iu at %+F", ia32_cnst);
1015 val = get_tarval_long(tv);
1016 tv = new_tarval_from_long(val, mode_Iu);
1019 tv = tarval_convert_to(tv, mode_Iu);
1022 tv = tarval_convert_to(tv, mode_Iu);
1025 assert(tv != get_tarval_bad() && tv != get_tarval_undefined()
1027 set_ia32_Immop_tarval(ia32_cnst, tv);
1032 * Sets the AddrMode(S|D) attribute
1034 void set_ia32_AddrMode(ir_node *node, char direction) {
1035 ia32_attr_t *attr = get_ia32_attr(node);
1037 switch (direction) {
1039 attr->data.tp = ia32_AddrModeD;
1042 attr->data.tp = ia32_AddrModeS;
1045 assert(0 && "wrong AM type");
1050 * Returns whether or not the node is an immediate operation with Const.
1052 int is_ia32_ImmConst(const ir_node *node) {
1053 ia32_attr_t *attr = get_ia32_attr(node);
1054 return (attr->data.imm_tp == ia32_ImmConst);
1058 * Returns whether or not the node is an immediate operation with SymConst.
1060 int is_ia32_ImmSymConst(const ir_node *node) {
1061 ia32_attr_t *attr = get_ia32_attr(node);
1062 return (attr->data.imm_tp == ia32_ImmSymConst);
1066 * Returns whether or not the node is an AddrModeS node.
1068 int is_ia32_AddrModeS(const ir_node *node) {
1069 ia32_attr_t *attr = get_ia32_attr(node);
1070 return (attr->data.tp == ia32_AddrModeS);
1074 * Returns whether or not the node is an AddrModeD node.
1076 int is_ia32_AddrModeD(const ir_node *node) {
1077 ia32_attr_t *attr = get_ia32_attr(node);
1078 return (attr->data.tp == ia32_AddrModeD);
1082 * Checks if node is a Load or xLoad/vfLoad.
1084 int is_ia32_Ld(const ir_node *node) {
1085 int op = get_ia32_irn_opcode(node);
1086 return op == iro_ia32_Load ||
1087 op == iro_ia32_xLoad ||
1088 op == iro_ia32_vfld ||
1093 * Checks if node is a Store or xStore/vfStore.
1095 int is_ia32_St(const ir_node *node) {
1096 int op = get_ia32_irn_opcode(node);
1097 return op == iro_ia32_Store ||
1098 op == iro_ia32_Store8Bit ||
1099 op == iro_ia32_xStore ||
1100 op == iro_ia32_vfst ||
1101 op == iro_ia32_fst ||
1102 op == iro_ia32_fstp;
1106 * Checks if node is a Const or xConst/vfConst.
1108 int is_ia32_Cnst(const ir_node *node) {
1109 int op = get_ia32_irn_opcode(node);
1110 return op == iro_ia32_Const || op == iro_ia32_xConst || op == iro_ia32_vfConst;
1114 * Returns the name of the OUT register at position pos.
1116 const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
1117 ia32_attr_t *attr = get_ia32_attr(node);
1119 assert(pos < (int) attr->data.n_res && "Invalid OUT position.");
1120 assert(attr->slots[pos] && "No register assigned");
1122 return arch_register_get_name(attr->slots[pos]);
1126 * Returns the index of the OUT register at position pos within its register class.
1128 int get_ia32_out_regnr(const ir_node *node, int pos) {
1129 ia32_attr_t *attr = get_ia32_attr(node);
1131 assert(pos < (int) attr->data.n_res && "Invalid OUT position.");
1132 assert(attr->slots[pos] && "No register assigned");
1134 return arch_register_get_index(attr->slots[pos]);
1138 * Returns the OUT register at position pos.
1140 const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
1141 ia32_attr_t *attr = get_ia32_attr(node);
1143 assert(pos < (int) attr->data.n_res && "Invalid OUT position.");
1144 assert(attr->slots[pos] && "No register assigned");
1146 return attr->slots[pos];
1150 * Initializes the nodes attributes.
1152 void init_ia32_attributes(ir_node *node, arch_irn_flags_t flags,
1153 const arch_register_req_t **in_reqs,
1154 const arch_register_req_t **out_reqs,
1155 const be_execution_unit_t ***execution_units,
1156 int n_res, unsigned latency)
1158 ia32_attr_t *attr = get_ia32_attr(node);
1160 set_ia32_flags(node, flags);
1161 set_ia32_in_req_all(node, in_reqs);
1162 set_ia32_out_req_all(node, out_reqs);
1163 set_ia32_latency(node, latency);
1164 set_ia32_n_res(node, n_res);
1166 attr->exec_units = execution_units;
1168 attr->out_flags = NEW_ARR_D(int, get_irg_obstack(get_irn_irg(node)), n_res);
1169 memset(attr->out_flags, 0, n_res * sizeof(attr->out_flags[0]));
1171 memset((void *)attr->slots, 0, n_res * sizeof(attr->slots[0]));
1174 ir_node *get_ia32_result_proj(const ir_node *node)
1176 const ir_edge_t *edge;
1178 foreach_out_edge(node, edge) {
1179 ir_node *proj = get_edge_src_irn(edge);
1180 if(get_Proj_proj(proj) == 0) {
1187 /***************************************************************************************
1190 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
1191 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
1192 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
1193 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
1195 ***************************************************************************************/
1197 /* default compare operation to compare attributes */
1198 int ia32_compare_attr(ia32_attr_t *a, ia32_attr_t *b) {
1199 if (a->data.tp != b->data.tp
1200 || a->data.imm_tp != b->data.imm_tp)
1203 if (a->data.imm_tp == ia32_ImmConst
1204 && a->cnst_val.tv != b->cnst_val.tv)
1207 if (a->data.imm_tp == ia32_ImmSymConst
1208 && a->cnst_val.sc != b->cnst_val.sc)
1211 if (a->data.am_flavour != b->data.am_flavour
1212 || a->data.am_scale != b->data.am_scale
1213 || a->data.am_sc_sign != b->data.am_sc_sign
1214 || a->am_offs != b->am_offs
1215 || a->am_sc != b->am_sc
1216 || a->ls_mode != b->ls_mode)
1219 if (a->data.use_frame != b->data.use_frame
1220 || a->data.use_frame != b->data.use_frame
1221 || a->frame_ent != b->frame_ent)
1224 if(a->pn_code != b->pn_code)
1227 if (a->data.tp != b->data.tp
1228 || a->data.op_flav != b->data.op_flav)
1231 if (a->data.except_label != b->data.except_label)
1237 /* copies the ia32 attributes */
1238 static void ia32_copy_attr(const ir_node *old_node, ir_node *new_node) {
1239 ia32_attr_t *attr_old = get_ia32_attr(old_node);
1240 ia32_attr_t *attr_new = get_ia32_attr(new_node);
1242 /* copy the attributes */
1243 memcpy(attr_new, attr_old, get_op_attr_size(get_irn_op(old_node)));
1245 /* copy out flags */
1246 attr_new->out_flags =
1247 DUP_ARR_D(int, get_irg_obstack(get_irn_irg(new_node)), attr_old->out_flags);
1250 /* Include the generated constructor functions */
1251 #include "gen_ia32_new_nodes.c.inl"
1254 * Registers the ia32_copy_attr function for all ia32 opcodes.
1256 void ia32_register_copy_attr_func(void) {
1259 for (i = get_irp_n_opcodes() - 1; i >= 0; --i) {
1260 ir_op *op = get_irp_opcode(i);
1262 op->ops.copy_attr = ia32_copy_attr;