2 * This file implements the creation of the achitecture specific firm opcodes
3 * and the coresponding node constructors for the ia32 assembler irg.
4 * @author Christian Wuerdig
23 #include "irgraph_t.h"
29 #include "firm_common_t.h"
33 #include "../bearch.h"
35 #include "ia32_nodes_attr.h"
36 #include "ia32_new_nodes.h"
37 #include "gen_ia32_regalloc_if.h"
40 * Returns the ident of a SymConst.
41 * @param symc The SymConst
42 * @return The ident of the SymConst
44 static ident *get_sc_ident(ir_node *symc) {
45 assert(get_irn_opcode(symc) == iro_SymConst && "need symconst to get ident");
47 switch (get_SymConst_kind(symc)) {
48 case symconst_addr_name:
49 return get_SymConst_name(symc);
51 case symconst_addr_ent:
52 return get_entity_ld_ident(get_SymConst_entity(symc));
55 assert(0 && "Unsupported SymConst");
63 /***********************************************************************************
66 * __| |_ _ _ __ ___ _ __ ___ _ __ _ _ __ | |_ ___ _ __| |_ __ _ ___ ___
67 * / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__| _/ _` |/ __/ _ \
68 * | (_| | |_| | | | | | | |_) | __/ | | | | | | || __/ | | || (_| | (_| __/
69 * \__,_|\__,_|_| |_| |_| .__/ \___|_| |_|_| |_|\__\___|_| |_| \__,_|\___\___|
72 ***********************************************************************************/
75 * Returns a string containing the names of all registers within the limited bitset
77 static char *get_limited_regs(const arch_register_req_t *req, char *buf, int max) {
78 bitset_t *bs = bitset_alloca(req->cls->n_regs);
83 req->limited(NULL, bs);
85 for (i = 0; i < req->cls->n_regs; i++) {
86 if (bitset_is_set(bs, i)) {
87 cnt = snprintf(p, max - size, " %s", req->cls->regs[i].name);
89 fprintf(stderr, "dumper problem, exiting\n");
105 * Dumps the register requirements for either in or out.
107 static void dump_reg_req(FILE *F, ir_node *n, const ia32_register_req_t **reqs, int inout) {
108 char *dir = inout ? "out" : "in";
109 int max = inout ? get_ia32_n_res(n) : get_irn_arity(n);
110 char *buf = alloca(1024);
113 memset(buf, 0, 1024);
116 for (i = 0; i < max; i++) {
117 fprintf(F, "%sreq #%d =", dir, i);
119 if (reqs[i]->req.type == arch_register_req_type_none) {
123 if (reqs[i]->req.type & arch_register_req_type_normal) {
124 fprintf(F, " %s", reqs[i]->req.cls->name);
127 if (reqs[i]->req.type & arch_register_req_type_limited) {
128 fprintf(F, " %s", get_limited_regs(&reqs[i]->req, buf, 1024));
131 if (reqs[i]->req.type & arch_register_req_type_should_be_same) {
132 ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->same_pos));
135 if (reqs[i]->req.type & arch_register_req_type_should_be_different) {
136 ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->different_pos));
145 fprintf(F, "%sreq = N/A\n", dir);
150 * Dumper interface for dumping ia32 nodes in vcg.
151 * @param n the node to dump
152 * @param F the output file
153 * @param reason indicates which kind of information should be dumped
154 * @return 0 on success or != 0 on failure
156 static int ia32_dump_node(ir_node *n, FILE *F, dump_reason_t reason) {
157 ir_mode *mode = NULL;
159 int i, n_res, am_flav, flags;
160 const ia32_register_req_t **reqs;
161 const arch_register_t **slots;
164 case dump_node_opcode_txt:
165 fprintf(F, "%s", get_irn_opname(n));
168 case dump_node_mode_txt:
169 mode = get_irn_mode(n);
171 if (is_ia32_Ld(n) || is_ia32_St(n)) {
172 mode = get_ia32_ls_mode(n);
175 fprintf(F, "[%s]", mode ? get_mode_name(mode) : "?NOMODE?");
178 case dump_node_nodeattr_txt:
179 if (is_ia32_ImmConst(n) || is_ia32_ImmSymConst(n) || is_ia32_Cnst(n)) {
180 char *pref = is_ia32_ImmSymConst(n) || (get_ia32_op_type(n) == ia32_SymConst) ? "SymC " : "";
181 const char *cnst = get_ia32_cnst(n);
183 fprintf(F, "[%s%s]", pref, cnst ? cnst : "NONE");
186 if (! is_ia32_Lea(n)) {
187 if (is_ia32_AddrModeS(n)) {
188 fprintf(F, "[AM S] ");
190 else if (is_ia32_AddrModeD(n)) {
191 fprintf(F, "[AM D] ");
197 case dump_node_info_txt:
198 n_res = get_ia32_n_res(n);
199 fprintf(F, "=== IA32 attr begin ===\n");
201 /* dump IN requirements */
202 if (get_irn_arity(n) > 0) {
203 reqs = get_ia32_in_req_all(n);
204 dump_reg_req(F, n, reqs, 0);
207 /* dump OUT requirements */
209 reqs = get_ia32_out_req_all(n);
210 dump_reg_req(F, n, reqs, 1);
213 /* dump assigned registers */
214 slots = get_ia32_slots(n);
215 if (slots && n_res > 0) {
216 for (i = 0; i < n_res; i++) {
217 fprintf(F, "reg #%d = %s\n", i, slots[i] ? slots[i]->name : "n/a");
224 switch (get_ia32_op_type(n)) {
226 fprintf(F, "Normal");
232 fprintf(F, "SymConst");
235 fprintf(F, "AM Dest (Load+Store)");
238 fprintf(F, "AM Source (Load)");
241 fprintf(F, "unknown (%d)", get_ia32_op_type(n));
246 /* dump immop type */
247 fprintf(F, "immediate = ");
248 switch (get_ia32_immop_type(n)) {
255 case ia32_ImmSymConst:
256 fprintf(F, "SymConst");
259 fprintf(F, "unknown (%d)", get_ia32_immop_type(n));
264 /* dump supported am */
265 fprintf(F, "AM support = ");
266 switch (get_ia32_am_support(n)) {
271 fprintf(F, "source only (Load)");
274 fprintf(F, "dest only (Load+Store)");
280 fprintf(F, "unknown (%d)", get_ia32_am_support(n));
285 /* dump am flavour */
286 fprintf(F, "AM flavour =");
287 am_flav = get_ia32_am_flavour(n);
288 if (am_flav == ia32_am_N) {
292 if (am_flav & ia32_O) {
295 if (am_flav & ia32_B) {
298 if (am_flav & ia32_I) {
301 if (am_flav & ia32_S) {
305 fprintf(F, " (%d)\n", am_flav);
308 fprintf(F, "AM offset = ");
309 if (get_ia32_am_offs(n)) {
310 fprintf(F, "%s", get_ia32_am_offs(n));
318 fprintf(F, "AM scale = %d\n", get_ia32_am_scale(n));
321 fprintf(F, "pn_code = %ld\n", get_ia32_pncode(n));
324 fprintf(F, "n_res = %d\n", get_ia32_n_res(n));
327 fprintf(F, "use_frame = %d\n", is_ia32_use_frame(n));
330 fprintf(F, "commutative = %d\n", is_ia32_commutative(n));
333 fprintf(F, "emit cl instead of ecx = %d\n", is_ia32_emit_cl(n));
336 fprintf(F, "got loea = %d\n", is_ia32_got_lea(n));
339 fprintf(F, "got reload = %d\n", is_ia32_got_reload(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));
383 fprintf(F, "res_mode = ");
384 if (get_ia32_res_mode(n)) {
385 ir_fprintf(F, "%+F", get_ia32_res_mode(n));
392 fprintf(F, "src_mode = ");
393 if (get_ia32_src_mode(n)) {
394 ir_fprintf(F, "%+F", get_ia32_src_mode(n));
401 fprintf(F, "tgt_mode = ");
402 if (get_ia32_tgt_mode(n)) {
403 ir_fprintf(F, "%+F", get_ia32_tgt_mode(n));
411 /* dump original ir node name */
412 fprintf(F, "orig node = ");
413 if (get_ia32_orig_node(n)) {
414 fprintf(F, "%s", get_ia32_orig_node(n));
422 fprintf(F, "=== IA32 attr end ===\n");
423 /* end of: case dump_node_info_txt */
432 /***************************************************************************************************
434 * | | | | | | / / | | | | | | | |
435 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
436 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
437 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
438 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
441 ***************************************************************************************************/
444 * Returns an ident for the given tarval tv.
446 static ident *get_ident_for_tv(tarval *tv) {
448 int len = tarval_snprintf(buf, sizeof(buf), tv);
450 return new_id_from_str(buf);
454 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
455 * Firm was made by people hating const :-(
457 ia32_attr_t *get_ia32_attr(const ir_node *node) {
458 assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
459 return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
463 * Gets the type of an ia32 node.
465 ia32_op_type_t get_ia32_op_type(const ir_node *node) {
466 ia32_attr_t *attr = get_ia32_attr(node);
467 return attr->data.tp;
471 * Sets the type of an ia32 node.
473 void set_ia32_op_type(ir_node *node, ia32_op_type_t tp) {
474 ia32_attr_t *attr = get_ia32_attr(node);
479 * Gets the immediate op type of an ia32 node.
481 ia32_immop_type_t get_ia32_immop_type(const ir_node *node) {
482 ia32_attr_t *attr = get_ia32_attr(node);
483 return attr->data.imm_tp;
487 * Sets the immediate op type of an ia32 node.
489 void set_ia32_immop_type(ir_node *node, ia32_immop_type_t tp) {
490 ia32_attr_t *attr = get_ia32_attr(node);
491 attr->data.imm_tp = tp;
495 * Gets the supported addrmode of an ia32 node
497 ia32_am_type_t get_ia32_am_support(const ir_node *node) {
498 ia32_attr_t *attr = get_ia32_attr(node);
499 return attr->data.am_support;
503 * Sets the supported addrmode of an ia32 node
505 void set_ia32_am_support(ir_node *node, ia32_am_type_t am_tp) {
506 ia32_attr_t *attr = get_ia32_attr(node);
507 attr->data.am_support = am_tp;
511 * Gets the addrmode flavour of an ia32 node
513 ia32_am_flavour_t get_ia32_am_flavour(const ir_node *node) {
514 ia32_attr_t *attr = get_ia32_attr(node);
515 return attr->data.am_flavour;
519 * Sets the addrmode flavour of an ia32 node
521 void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
522 ia32_attr_t *attr = get_ia32_attr(node);
523 attr->data.am_flavour = am_flavour;
527 * Joins all offsets to one string with adds.
529 char *get_ia32_am_offs(const ir_node *node) {
530 ia32_attr_t *attr = get_ia32_attr(node);
534 if (! attr->am_offs) {
538 if (! attr->plain_offs)
539 attr->plain_offs = (struct obstack *)_new_arr_d(get_irg_obstack(get_irn_irg(node)), 1, sizeof(*(attr->plain_offs)));
541 obstack_free(attr->plain_offs, NULL);
543 obstack_init(attr->plain_offs);
545 size = obstack_object_size(attr->am_offs);
547 res = obstack_alloc(attr->plain_offs, size + 2);
548 res[0] = attr->data.offs_sign ? '-' : '+';
549 memcpy(&res[1], obstack_base(attr->am_offs), size);
550 res[size + 1] = '\0';
557 * Add an offset for addrmode.
559 static void extend_ia32_am_offs(ir_node *node, char *offset, char op) {
560 ia32_attr_t *attr = get_ia32_attr(node);
562 if (! offset || strlen(offset) < 1)
565 /* offset could already have an explicit sign */
566 /* -> supersede op if necessary */
567 if (offset[0] == '-' || offset[0] == '+') {
568 if (offset[0] == '-') {
569 op = (op == '-') ? '+' : '-';
572 /* skip explicit sign */
576 if (! attr->am_offs) {
577 /* obstack is not initialized */
578 attr->am_offs = (struct obstack *)_new_arr_d(get_irg_obstack(get_irn_irg(node)), 1, sizeof(*(attr->am_offs)));
579 obstack_init(attr->am_offs);
581 attr->data.offs_sign = (op == '-') ? 1 : 0;
584 /* If obstack is initialized, connect the new offset with op */
585 obstack_printf(attr->am_offs, "%c", op);
588 obstack_printf(attr->am_offs, "%s", offset);
592 * Add an offset for addrmode.
594 void add_ia32_am_offs(ir_node *node, const char *offset) {
595 extend_ia32_am_offs(node, (char *)offset, '+');
599 * Sub an offset for addrmode.
601 void sub_ia32_am_offs(ir_node *node, const char *offset) {
602 extend_ia32_am_offs(node, (char *)offset, '-');
606 * Returns the symconst ident associated to addrmode.
608 ident *get_ia32_am_sc(const ir_node *node) {
609 ia32_attr_t *attr = get_ia32_attr(node);
614 * Sets the symconst ident associated to addrmode.
616 void set_ia32_am_sc(ir_node *node, ident *sc) {
617 ia32_attr_t *attr = get_ia32_attr(node);
622 * Sets the sign bit for address mode symconst.
624 void set_ia32_am_sc_sign(ir_node *node) {
625 ia32_attr_t *attr = get_ia32_attr(node);
626 attr->data.am_sc_sign = 1;
630 * Clears the sign bit for address mode symconst.
632 void clear_ia32_am_sc_sign(ir_node *node) {
633 ia32_attr_t *attr = get_ia32_attr(node);
634 attr->data.am_sc_sign = 0;
638 * Returns the sign bit for address mode symconst.
640 int is_ia32_am_sc_sign(const ir_node *node) {
641 ia32_attr_t *attr = get_ia32_attr(node);
642 return attr->data.am_sc_sign;
646 * Gets the addr mode const.
648 int get_ia32_am_scale(const ir_node *node) {
649 ia32_attr_t *attr = get_ia32_attr(node);
650 return attr->data.am_scale;
654 * Sets the index register scale for addrmode.
656 void set_ia32_am_scale(ir_node *node, int scale) {
657 ia32_attr_t *attr = get_ia32_attr(node);
658 attr->data.am_scale = scale;
662 * Return the tarval of an immediate operation or NULL in case of SymConst
664 tarval *get_ia32_Immop_tarval(const ir_node *node) {
665 ia32_attr_t *attr = get_ia32_attr(node);
666 return attr->cnst_val.tv;
670 * Sets the attributes of an immediate operation to the specified tarval
672 void set_ia32_Immop_tarval(ir_node *node, tarval *tv) {
673 ia32_attr_t *attr = get_ia32_attr(node);
674 attr->cnst_val.tv = tv;
675 attr->cnst = get_ident_for_tv(tv);
679 * Return the sc attribute.
681 ident *get_ia32_sc(const ir_node *node) {
682 ia32_attr_t *attr = get_ia32_attr(node);
683 return attr->cnst_val.sc;
687 * Sets the sc attribute.
689 void set_ia32_sc(ir_node *node, ident *sc) {
690 ia32_attr_t *attr = get_ia32_attr(node);
691 attr->cnst_val.sc = sc;
692 attr->cnst = attr->cnst_val.sc;
696 * Gets the string representation of the internal const (tv or symconst)
698 const char *get_ia32_cnst(const ir_node *node) {
699 ia32_attr_t *attr = get_ia32_attr(node);
702 return get_id_str(attr->cnst);
706 * Sets the string representation of the internal const.
708 void set_ia32_cnst(ir_node *node, char *cnst) {
709 ia32_attr_t *attr = get_ia32_attr(node);
710 attr->cnst = new_id_from_str(cnst);
714 * Gets the ident representation of the internal const (tv or symconst)
716 ident *get_ia32_id_cnst(const ir_node *node) {
717 ia32_attr_t *attr = get_ia32_attr(node);
722 * Sets the ident representation of the internal const.
724 void set_ia32_id_cnst(ir_node *node, ident *cnst) {
725 ia32_attr_t *attr = get_ia32_attr(node);
730 * Sets the uses_frame flag.
732 void set_ia32_use_frame(ir_node *node) {
733 ia32_attr_t *attr = get_ia32_attr(node);
734 attr->data.use_frame = 1;
738 * Clears the uses_frame flag.
740 void clear_ia32_use_frame(ir_node *node) {
741 ia32_attr_t *attr = get_ia32_attr(node);
742 attr->data.use_frame = 0;
746 * Gets the uses_frame flag.
748 int is_ia32_use_frame(const ir_node *node) {
749 ia32_attr_t *attr = get_ia32_attr(node);
750 return attr->data.use_frame;
754 * Sets node to commutative.
756 void set_ia32_commutative(ir_node *node) {
757 ia32_attr_t *attr = get_ia32_attr(node);
758 attr->data.is_commutative = 1;
762 * Sets node to non-commutative.
764 void clear_ia32_commutative(ir_node *node) {
765 ia32_attr_t *attr = get_ia32_attr(node);
766 attr->data.is_commutative = 0;
770 * Checks if node is commutative.
772 int is_ia32_commutative(const ir_node *node) {
773 ia32_attr_t *attr = get_ia32_attr(node);
774 return attr->data.is_commutative;
780 void set_ia32_emit_cl(ir_node *node) {
781 ia32_attr_t *attr = get_ia32_attr(node);
782 attr->data.emit_cl = 1;
786 * Clears node emit_cl.
788 void clear_ia32_emit_cl(ir_node *node) {
789 ia32_attr_t *attr = get_ia32_attr(node);
790 attr->data.emit_cl = 0;
794 * Checks if node needs %cl.
796 int is_ia32_emit_cl(const ir_node *node) {
797 ia32_attr_t *attr = get_ia32_attr(node);
798 return attr->data.emit_cl;
804 void set_ia32_got_lea(ir_node *node) {
805 ia32_attr_t *attr = get_ia32_attr(node);
806 attr->data.got_lea = 1;
810 * Clears node got_lea.
812 void clear_ia32_got_lea(ir_node *node) {
813 ia32_attr_t *attr = get_ia32_attr(node);
814 attr->data.got_lea = 0;
818 * Checks if node got lea.
820 int is_ia32_got_lea(const ir_node *node) {
821 ia32_attr_t *attr = get_ia32_attr(node);
822 return attr->data.got_lea;
826 * Sets node got_reload.
828 void set_ia32_got_reload(ir_node *node) {
829 ia32_attr_t *attr = get_ia32_attr(node);
830 attr->data.got_reload = 1;
834 * Clears node got_reload.
836 void clear_ia32_got_reload(ir_node *node) {
837 ia32_attr_t *attr = get_ia32_attr(node);
838 attr->data.got_reload = 0;
842 * Checks if node got reload.
844 int is_ia32_got_reload(const ir_node *node) {
845 ia32_attr_t *attr = get_ia32_attr(node);
846 return attr->data.got_reload;
850 * Gets the mode of the stored/loaded value (only set for Store/Load)
852 ir_mode *get_ia32_ls_mode(const ir_node *node) {
853 ia32_attr_t *attr = get_ia32_attr(node);
854 return attr->ls_mode;
858 * Sets the mode of the stored/loaded value (only set for Store/Load)
860 void set_ia32_ls_mode(ir_node *node, ir_mode *mode) {
861 ia32_attr_t *attr = get_ia32_attr(node);
862 attr->ls_mode = mode;
866 * Gets the mode of the result.
868 ir_mode *get_ia32_res_mode(const ir_node *node) {
869 ia32_attr_t *attr = get_ia32_attr(node);
870 return attr->res_mode;
874 * Sets the mode of the result.
876 void set_ia32_res_mode(ir_node *node, ir_mode *mode) {
877 ia32_attr_t *attr = get_ia32_attr(node);
878 attr->res_mode = mode;
882 * Gets the source mode of conversion.
884 ir_mode *get_ia32_src_mode(const ir_node *node) {
885 ia32_attr_t *attr = get_ia32_attr(node);
886 return attr->src_mode;
890 * Sets the source mode of conversion.
892 void set_ia32_src_mode(ir_node *node, ir_mode *mode) {
893 ia32_attr_t *attr = get_ia32_attr(node);
894 attr->src_mode = mode;
898 * Gets the target mode of conversion.
900 ir_mode *get_ia32_tgt_mode(const ir_node *node) {
901 ia32_attr_t *attr = get_ia32_attr(node);
902 return attr->tgt_mode;
906 * Sets the target mode of conversion.
908 void set_ia32_tgt_mode(ir_node *node, ir_mode *mode) {
909 ia32_attr_t *attr = get_ia32_attr(node);
910 attr->tgt_mode = mode;
914 * Gets the frame entity assigned to this node.
916 entity *get_ia32_frame_ent(const ir_node *node) {
917 ia32_attr_t *attr = get_ia32_attr(node);
918 return attr->frame_ent;
922 * Sets the frame entity for this node.
924 void set_ia32_frame_ent(ir_node *node, entity *ent) {
925 ia32_attr_t *attr = get_ia32_attr(node);
926 attr->frame_ent = ent;
927 set_ia32_use_frame(node);
931 * Returns the argument register requirements of an ia32 node.
933 const ia32_register_req_t **get_ia32_in_req_all(const ir_node *node) {
934 ia32_attr_t *attr = get_ia32_attr(node);
939 * Sets the argument register requirements of an ia32 node.
941 void set_ia32_in_req_all(ir_node *node, const ia32_register_req_t **reqs) {
942 ia32_attr_t *attr = get_ia32_attr(node);
947 * Returns the result register requirements of an ia32 node.
949 const ia32_register_req_t **get_ia32_out_req_all(const ir_node *node) {
950 ia32_attr_t *attr = get_ia32_attr(node);
951 return attr->out_req;
955 * Sets the result register requirements of an ia32 node.
957 void set_ia32_out_req_all(ir_node *node, const ia32_register_req_t **reqs) {
958 ia32_attr_t *attr = get_ia32_attr(node);
959 attr->out_req = reqs;
963 * Returns the argument register requirement at position pos of an ia32 node.
965 const ia32_register_req_t *get_ia32_in_req(const ir_node *node, int pos) {
966 ia32_attr_t *attr = get_ia32_attr(node);
967 return attr->in_req[pos];
971 * Returns the result register requirement at position pos of an ia32 node.
973 const ia32_register_req_t *get_ia32_out_req(const ir_node *node, int pos) {
974 ia32_attr_t *attr = get_ia32_attr(node);
975 return attr->out_req[pos];
979 * Sets the OUT register requirements at position pos.
981 void set_ia32_req_out(ir_node *node, const ia32_register_req_t *req, int pos) {
982 ia32_attr_t *attr = get_ia32_attr(node);
983 attr->out_req[pos] = req;
987 * Sets the IN register requirements at position pos.
989 void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
990 ia32_attr_t *attr = get_ia32_attr(node);
991 attr->in_req[pos] = req;
995 * Returns the register flag of an ia32 node.
997 arch_irn_flags_t get_ia32_flags(const ir_node *node) {
998 ia32_attr_t *attr = get_ia32_attr(node);
999 return attr->data.flags;
1003 * Sets the register flag of an ia32 node.
1005 void set_ia32_flags(ir_node *node, arch_irn_flags_t flags) {
1006 ia32_attr_t *attr = get_ia32_attr(node);
1007 attr->data.flags = flags;
1011 * Returns the result register slots of an ia32 node.
1013 const arch_register_t **get_ia32_slots(const ir_node *node) {
1014 ia32_attr_t *attr = get_ia32_attr(node);
1019 * Sets the number of results.
1021 void set_ia32_n_res(ir_node *node, int n_res) {
1022 ia32_attr_t *attr = get_ia32_attr(node);
1023 attr->data.n_res = n_res;
1027 * Returns the number of results.
1029 int get_ia32_n_res(const ir_node *node) {
1030 ia32_attr_t *attr = get_ia32_attr(node);
1031 return attr->data.n_res;
1035 * Returns the flavour of an ia32 node,
1037 ia32_op_flavour_t get_ia32_flavour(const ir_node *node) {
1038 ia32_attr_t *attr = get_ia32_attr(node);
1039 return attr->data.op_flav;
1043 * Sets the flavour of an ia32 node to flavour_Div/Mod/DivMod/Mul/Mulh.
1045 void set_ia32_flavour(ir_node *node, ia32_op_flavour_t op_flav) {
1046 ia32_attr_t *attr = get_ia32_attr(node);
1047 attr->data.op_flav = op_flav;
1051 * Returns the projnum code.
1053 long get_ia32_pncode(const ir_node *node) {
1054 ia32_attr_t *attr = get_ia32_attr(node);
1055 return attr->pn_code;
1059 * Sets the projnum code
1061 void set_ia32_pncode(ir_node *node, long code) {
1062 ia32_attr_t *attr = get_ia32_attr(node);
1063 attr->pn_code = code;
1069 * Returns the name of the original ir node.
1071 const char *get_ia32_orig_node(const ir_node *node) {
1072 ia32_attr_t *attr = get_ia32_attr(node);
1073 return attr->orig_node;
1077 * Sets the name of the original ir node.
1079 void set_ia32_orig_node(ir_node *node, const char *name) {
1080 ia32_attr_t *attr = get_ia32_attr(node);
1081 attr->orig_node = name;
1086 /******************************************************************************************************
1088 * (_) | | | | | | / _| | | (_)
1089 * ___ _ __ ___ ___ _ __ _| | __ _| |_| |_ _ __ | |_ _ _ _ __ ___| |_ _ ___ _ __ ___
1090 * / __| '_ \ / _ \/ __| |/ _` | | / _` | __| __| '__| | _| | | | '_ \ / __| __| |/ _ \| '_ \ / __|
1091 * \__ \ |_) | __/ (__| | (_| | | | (_| | |_| |_| | | | | |_| | | | | (__| |_| | (_) | | | | \__ \
1092 * |___/ .__/ \___|\___|_|\__,_|_| \__,_|\__|\__|_| |_| \__,_|_| |_|\___|\__|_|\___/|_| |_| |___/
1095 ******************************************************************************************************/
1098 * Gets the type of an ia32_Const.
1100 unsigned get_ia32_Const_type(const ir_node *node) {
1101 ia32_attr_t *attr = get_ia32_attr(node);
1103 assert(is_ia32_Cnst(node) && "Need ia32_Const to get type");
1105 return attr->data.tp;
1109 * Sets the type of an ia32_Const.
1111 void set_ia32_Const_type(ir_node *node, int type) {
1112 ia32_attr_t *attr = get_ia32_attr(node);
1114 assert(is_ia32_Cnst(node) && "Need ia32_Const to set type");
1115 assert((type == ia32_Const || type == ia32_SymConst) && "Unsupported ia32_Const type");
1117 attr->data.tp = type;
1121 * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
1123 void set_ia32_Immop_attr(ir_node *node, ir_node *cnst) {
1124 ia32_attr_t *na = get_ia32_attr(node);
1125 ia32_attr_t *ca = get_ia32_attr(cnst);
1127 switch(get_ia32_Const_type(cnst)) {
1129 na->cnst_val.tv = ca->cnst_val.tv;
1130 na->cnst = ca->cnst;
1131 set_ia32_immop_type(node, ia32_ImmConst);
1134 na->cnst_val.sc = ca->cnst_val.sc;
1135 na->cnst = na->cnst_val.sc;
1136 set_ia32_immop_type(node, ia32_ImmSymConst);
1139 assert(0 && "Need ia32_Const to set Immop attr");
1144 * Copy the attributes from Immop to an Immop
1146 void copy_ia32_Immop_attr(ir_node *dst, ir_node *src) {
1147 ia32_attr_t *da = get_ia32_attr(dst);
1148 ia32_attr_t *sa = get_ia32_attr(src);
1150 switch(get_ia32_immop_type(src)) {
1152 da->cnst_val.tv = sa->cnst_val.tv;
1153 da->cnst = sa->cnst;
1154 set_ia32_immop_type(dst, ia32_ImmConst);
1156 case ia32_ImmSymConst:
1157 da->cnst_val.sc = sa->cnst_val.sc;
1158 da->cnst = sa->cnst;
1159 set_ia32_immop_type(dst, ia32_ImmSymConst);
1162 assert(0 && "Need Immop to copy Immop attr");
1167 * Copy the attributes from a Firm Const to an ia32_Const
1169 void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
1170 ia32_attr_t *attr = get_ia32_attr(ia32_cnst);
1173 assert(is_ia32_Cnst(ia32_cnst) && "Need ia32_Const to set Const attr");
1175 switch (get_irn_opcode(cnst)) {
1177 attr->data.tp = ia32_Const;
1178 attr->cnst_val.tv = get_Const_tarval(cnst);
1179 mode = get_tarval_mode(attr->cnst_val.tv);
1180 if (mode_is_reference(mode) &&
1181 get_mode_null(mode) == attr->cnst_val.tv)
1182 attr->cnst_val.tv = get_mode_null(mode_Is);
1183 attr->cnst = get_ident_for_tv(attr->cnst_val.tv);
1186 attr->data.tp = ia32_SymConst;
1187 attr->cnst_val.sc = get_sc_ident(cnst);
1188 attr->cnst = attr->cnst_val.sc;
1191 assert(0 && "Unknown Const NYI");
1194 assert(0 && "Cannot create ia32_Const for this opcode");
1199 * Sets the AddrMode(S|D) attribute
1201 void set_ia32_AddrMode(ir_node *node, char direction) {
1202 ia32_attr_t *attr = get_ia32_attr(node);
1204 switch (direction) {
1206 attr->data.tp = ia32_AddrModeD;
1209 attr->data.tp = ia32_AddrModeS;
1212 assert(0 && "wrong AM type");
1217 * Returns whether or not the node is an immediate operation with Const.
1219 int is_ia32_ImmConst(const ir_node *node) {
1220 ia32_attr_t *attr = get_ia32_attr(node);
1221 return (attr->data.imm_tp == ia32_ImmConst);
1225 * Returns whether or not the node is an immediate operation with SymConst.
1227 int is_ia32_ImmSymConst(const ir_node *node) {
1228 ia32_attr_t *attr = get_ia32_attr(node);
1229 return (attr->data.imm_tp == ia32_ImmSymConst);
1233 * Returns whether or not the node is an AddrModeS node.
1235 int is_ia32_AddrModeS(const ir_node *node) {
1236 ia32_attr_t *attr = get_ia32_attr(node);
1237 return (attr->data.tp == ia32_AddrModeS);
1241 * Returns whether or not the node is an AddrModeD node.
1243 int is_ia32_AddrModeD(const ir_node *node) {
1244 ia32_attr_t *attr = get_ia32_attr(node);
1245 return (attr->data.tp == ia32_AddrModeD);
1249 * Checks if node is a Load or xLoad/vfLoad.
1251 int is_ia32_Ld(const ir_node *node) {
1252 return is_ia32_Load(node) || is_ia32_xLoad(node) || is_ia32_vfld(node) || is_ia32_fld(node);
1256 * Checks if node is a Store or xStore/vfStore.
1258 int is_ia32_St(const ir_node *node) {
1259 return is_ia32_Store(node) || is_ia32_xStore(node) || is_ia32_vfst(node) || is_ia32_fst(node) || is_ia32_fstp(node);
1263 * Checks if node is a Const or xConst/vfConst.
1265 int is_ia32_Cnst(const ir_node *node) {
1266 return is_ia32_Const(node) || is_ia32_xConst(node) || is_ia32_vfConst(node);
1270 * Returns the name of the OUT register at position pos.
1272 const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
1273 ia32_attr_t *attr = get_ia32_attr(node);
1275 assert(is_ia32_irn(node) && "Not an ia32 node.");
1276 assert(pos < (int) attr->data.n_res && "Invalid OUT position.");
1277 assert(attr->slots[pos] && "No register assigned");
1279 return arch_register_get_name(attr->slots[pos]);
1283 * Returns the index of the OUT register at position pos within its register class.
1285 int get_ia32_out_regnr(const ir_node *node, int pos) {
1286 ia32_attr_t *attr = get_ia32_attr(node);
1288 assert(is_ia32_irn(node) && "Not an ia32 node.");
1289 assert(pos < (int) attr->data.n_res && "Invalid OUT position.");
1290 assert(attr->slots[pos] && "No register assigned");
1292 return arch_register_get_index(attr->slots[pos]);
1296 * Returns the OUT register at position pos.
1298 const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
1299 ia32_attr_t *attr = get_ia32_attr(node);
1301 assert(is_ia32_irn(node) && "Not an ia32 node.");
1302 assert(pos < (int) attr->data.n_res && "Invalid OUT position.");
1303 assert(attr->slots[pos] && "No register assigned");
1305 return attr->slots[pos];
1309 * Initializes the nodes attributes.
1311 void init_ia32_attributes(ir_node *node, arch_irn_flags_t flags, const ia32_register_req_t **in_reqs,
1312 const ia32_register_req_t **out_reqs, int n_res)
1314 ia32_attr_t *attr = get_ia32_attr(node);
1315 set_ia32_flags(node, flags);
1316 set_ia32_in_req_all(node, in_reqs);
1317 set_ia32_out_req_all(node, out_reqs);
1319 attr->data.n_res = n_res;
1320 memset((void *)attr->slots, 0, n_res * sizeof(attr->slots[0]));
1323 /***************************************************************************************
1326 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
1327 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
1328 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
1329 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
1331 ***************************************************************************************/
1333 /* default compare operation to compare immediate ops */
1334 int ia32_compare_immop_attr(ia32_attr_t *a, ia32_attr_t *b) {
1337 if (a->data.tp == b->data.tp) {
1338 equ = (a->cnst == b->cnst);
1339 equ = equ ? (a->data.use_frame == b->data.use_frame) : 0;
1341 if (equ && a->data.use_frame && b->data.use_frame)
1342 equ = (a->frame_ent == b->frame_ent);
1348 /* compare converts */
1349 int ia32_compare_conv_attr(ia32_attr_t *a, ia32_attr_t *b) {
1350 int equ = ! ia32_compare_immop_attr(a, b);
1352 equ = equ ? (a->src_mode == b->src_mode) && (a->tgt_mode == b->tgt_mode) : equ;
1357 /* Include the generated constructor functions */
1358 #include "gen_ia32_new_nodes.c.inl"