2 * This file implements the creation of the achitecture specific firm opcodes
3 * and the coresponding node constructors for the $arch assembler irg.
4 * @author Christian Wuerdig
21 #include "irgraph_t.h"
27 #include "firm_common_t.h"
31 #include "../bearch.h"
33 #include "ia32_nodes_attr.h"
34 #include "ia32_new_nodes.h"
35 #include "gen_ia32_regalloc_if.h"
37 #ifdef obstack_chunk_alloc
38 # undef obstack_chunk_alloc
39 # define obstack_chunk_alloc xmalloc
41 # define obstack_chunk_alloc xmalloc
42 # define obstack_chunk_free free
45 extern int obstack_printf(struct obstack *obst, char *fmt, ...);
47 /***********************************************************************************
50 * __| |_ _ _ __ ___ _ __ ___ _ __ _ _ __ | |_ ___ _ __| |_ __ _ ___ ___
51 * / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__| _/ _` |/ __/ _ \
52 * | (_| | |_| | | | | | | |_) | __/ | | | | | | || __/ | | || (_| | (_| __/
53 * \__,_|\__,_|_| |_| |_| .__/ \___|_| |_|_| |_|\__\___|_| |_| \__,_|\___\___|
56 ***********************************************************************************/
59 * Prints a tarval to file F.
60 * @param F output file
62 * @param brackets 1 == print square brackets around tarval
64 static void fprintf_tv(FILE *F, tarval *tv, int brackets) {
66 tarval_snprintf(buf, sizeof(buf), tv);
69 fprintf(F, "[%s]", buf);
71 fprintf(F, "%s", buf);
75 * Returns the name of a SymConst.
76 * @param symc the SymConst
77 * @return name of the SymConst
79 const char *get_sc_name(ir_node *symc) {
80 if (get_irn_opcode(symc) != iro_SymConst)
83 switch (get_SymConst_kind(symc)) {
84 case symconst_addr_name:
85 return get_id_str(get_SymConst_name(symc));
87 case symconst_addr_ent:
88 return get_entity_ld_name(get_SymConst_entity(symc));
91 assert(0 && "Unsupported SymConst");
98 * Returns a string containing the names of all registers within the limited bitset
100 static char *get_limited_regs(const arch_register_req_t *req, char *buf, int max) {
101 bitset_t *bs = bitset_alloca(req->cls->n_regs);
106 req->limited(NULL, bs);
108 for (i = 0; i < req->cls->n_regs; i++) {
109 if (bitset_is_set(bs, i)) {
110 cnt = snprintf(p, max - size, " %s", req->cls->regs[i].name);
112 fprintf(stderr, "dumper problem, exiting\n");
128 * Dumps the register requirements for either in or out.
130 static void dump_reg_req(FILE *F, ir_node *n, const ia32_register_req_t **reqs, int inout) {
131 char *dir = inout ? "out" : "in";
132 int max = inout ? get_ia32_n_res(n) : get_irn_arity(n);
133 char *buf = alloca(1024);
136 memset(buf, 0, 1024);
139 for (i = 0; i < max; i++) {
140 fprintf(F, "%sreq #%d =", dir, i);
142 if (reqs[i]->req.type == arch_register_req_type_none) {
146 if (reqs[i]->req.type & arch_register_req_type_normal) {
147 fprintf(F, " %s", reqs[i]->req.cls->name);
150 if (reqs[i]->req.type & arch_register_req_type_limited) {
151 fprintf(F, " %s", get_limited_regs(&reqs[i]->req, buf, 1024));
154 if (reqs[i]->req.type & arch_register_req_type_should_be_same) {
155 ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->same_pos));
158 if (reqs[i]->req.type & arch_register_req_type_should_be_different) {
159 ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->different_pos));
168 fprintf(F, "%sreq = N/A\n", dir);
173 * Dumper interface for dumping ia32 nodes in vcg.
174 * @param n the node to dump
175 * @param F the output file
176 * @param reason indicates which kind of information should be dumped
177 * @return 0 on success or != 0 on failure
179 static int dump_node_ia32(ir_node *n, FILE *F, dump_reason_t reason) {
180 ir_mode *mode = NULL;
182 int i, n_res, am_flav, flags;
183 const ia32_register_req_t **reqs;
184 const arch_register_t **slots;
187 case dump_node_opcode_txt:
188 fprintf(F, "%s", get_irn_opname(n));
191 case dump_node_mode_txt:
192 mode = get_irn_mode(n);
194 if (is_ia32_Ld(n) || is_ia32_St(n)) {
195 mode = get_ia32_ls_mode(n);
198 fprintf(F, "[%s]", mode ? get_mode_name(mode) : "?NOMODE?");
201 case dump_node_nodeattr_txt:
202 if (get_ia32_cnst(n)) {
205 if (get_ia32_sc(n)) {
209 fprintf(F, "[%s%s]", pref, get_ia32_cnst(n));
212 if (! is_ia32_Lea(n)) {
213 if (is_ia32_AddrModeS(n)) {
214 fprintf(F, "[AM S] ");
216 else if (is_ia32_AddrModeD(n)) {
217 fprintf(F, "[AM D] ");
223 case dump_node_info_txt:
224 n_res = get_ia32_n_res(n);
225 fprintf(F, "=== IA32 attr begin ===\n");
227 /* dump IN requirements */
228 if (get_irn_arity(n) > 0) {
229 reqs = get_ia32_in_req_all(n);
230 dump_reg_req(F, n, reqs, 0);
233 /* dump OUT requirements */
235 reqs = get_ia32_out_req_all(n);
236 dump_reg_req(F, n, reqs, 1);
239 /* dump assigned registers */
240 slots = get_ia32_slots(n);
241 if (slots && n_res > 0) {
242 for (i = 0; i < n_res; i++) {
243 fprintf(F, "reg #%d = %s\n", i, slots[i] ? slots[i]->name : "n/a");
250 switch (get_ia32_op_type(n)) {
252 fprintf(F, "Normal");
258 fprintf(F, "SymConst");
261 fprintf(F, "AM Dest (Load+Store)");
264 fprintf(F, "AM Source (Load)");
267 fprintf(F, "unknown (%d)", get_ia32_op_type(n));
273 /* dump supported am */
274 fprintf(F, "AM support = ");
275 switch (get_ia32_am_support(n)) {
280 fprintf(F, "source only (Load)");
283 fprintf(F, "dest only (Load+Store)");
289 fprintf(F, "unknown (%d)", get_ia32_am_support(n));
294 /* dump am flavour */
295 fprintf(F, "AM flavour =");
296 am_flav = get_ia32_am_flavour(n);
297 if (am_flav == ia32_am_N) {
301 if (am_flav & ia32_O) {
304 if (am_flav & ia32_B) {
307 if (am_flav & ia32_I) {
310 if (am_flav & ia32_S) {
314 fprintf(F, " (%d)\n", am_flav);
317 fprintf(F, "AM offset = ");
318 if (get_ia32_am_offs(n)) {
319 fprintf(F, "%s", get_ia32_am_offs(n));
327 fprintf(F, "AM scale = %d\n", get_ia32_am_scale(n));
330 fprintf(F, "pn_code = %d\n", get_ia32_pncode(n));
333 fprintf(F, "n_res = %d\n", get_ia32_n_res(n));
336 fprintf(F, "use_frame = %d\n", is_ia32_use_frame(n));
339 fprintf(F, "commutative = %d\n", is_ia32_commutative(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");
358 fprintf(F, " (%d)\n", flags);
360 /* dump frame entity */
361 fprintf(F, "frame entity = ");
362 if (get_ia32_frame_ent(n)) {
363 ir_fprintf(F, "%+F", get_ia32_frame_ent(n));
370 fprintf(F, "=== IA32 attr end ===\n");
371 /* end of: case dump_node_info_txt */
380 /***************************************************************************************************
382 * | | | | | | / / | | | | | | | |
383 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
384 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
385 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
386 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
389 ***************************************************************************************************/
391 static char *copy_str(char *dst, const char *src) {
392 dst = xcalloc(1, strlen(src) + 1);
393 strncpy(dst, src, strlen(src) + 1);
397 static char *set_cnst_from_tv(char *cnst, tarval *tv) {
402 cnst = xcalloc(1, 64);
403 assert(tarval_snprintf(cnst, 63, tv));
408 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
409 * Firm was made by people hating const :-(
411 ia32_attr_t *get_ia32_attr(const ir_node *node) {
412 assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
413 return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
417 * Gets the type of an ia32 node.
419 ia32_op_type_t get_ia32_op_type(const ir_node *node) {
420 ia32_attr_t *attr = get_ia32_attr(node);
421 return attr->data.tp;
425 * Sets the type of an ia32 node.
427 void set_ia32_op_type(ir_node *node, ia32_op_type_t tp) {
428 ia32_attr_t *attr = get_ia32_attr(node);
433 * Gets the supported addrmode of an ia32 node
435 ia32_am_type_t get_ia32_am_support(const ir_node *node) {
436 ia32_attr_t *attr = get_ia32_attr(node);
437 return attr->data.am_support;
441 * Sets the supported addrmode of an ia32 node
443 void set_ia32_am_support(ir_node *node, ia32_am_type_t am_tp) {
444 ia32_attr_t *attr = get_ia32_attr(node);
445 attr->data.am_support = am_tp;
449 * Gets the addrmode flavour of an ia32 node
451 ia32_am_flavour_t get_ia32_am_flavour(const ir_node *node) {
452 ia32_attr_t *attr = get_ia32_attr(node);
453 return attr->data.am_flavour;
457 * Sets the addrmode flavour of an ia32 node
459 void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
460 ia32_attr_t *attr = get_ia32_attr(node);
461 attr->data.am_flavour = am_flavour;
465 * Joins all offsets to one string with adds.
467 char *get_ia32_am_offs(const ir_node *node) {
468 ia32_attr_t *attr = get_ia32_attr(node);
472 if (! attr->am_offs) {
476 size = obstack_object_size(attr->am_offs);
478 res = xcalloc(1, size + 2);
479 res[0] = attr->data.offs_sign ? '-' : '+';
480 memcpy(&res[1], obstack_base(attr->am_offs), size);
483 res[size + 1] = '\0';
488 * Add an offset for addrmode.
490 static void extend_ia32_am_offs(ir_node *node, char *offset, char op) {
491 ia32_attr_t *attr = get_ia32_attr(node);
496 /* offset could already have an explicit sign */
497 /* -> supersede op if necessary */
498 if (offset[0] == '-' || offset[0] == '+') {
499 if (offset[0] == '-') {
500 op = (op == '-') ? '+' : '-';
503 /* skip explicit sign */
507 if (! attr->am_offs) {
508 /* obstack is not initialized */
509 attr->am_offs = xcalloc(1, sizeof(*(attr->am_offs)));
510 obstack_init(attr->am_offs);
512 attr->data.offs_sign = (op == '-') ? 1 : 0;
515 /* If obstack is initialized, connect the new offset with op */
516 obstack_printf(attr->am_offs, "%c", op);
519 obstack_printf(attr->am_offs, "%s", offset);
523 * Add an offset for addrmode.
525 void add_ia32_am_offs(ir_node *node, char *offset) {
526 extend_ia32_am_offs(node, offset, '+');
530 * Sub an offset for addrmode.
532 void sub_ia32_am_offs(ir_node *node, char *offset) {
533 extend_ia32_am_offs(node, offset, '-');
537 * Gets the addr mode const.
539 int get_ia32_am_scale(const ir_node *node) {
540 ia32_attr_t *attr = get_ia32_attr(node);
541 return attr->data.am_scale;
545 * Sets the index register scale for addrmode.
547 void set_ia32_am_scale(ir_node *node, int scale) {
548 ia32_attr_t *attr = get_ia32_attr(node);
549 attr->data.am_scale = scale;
553 * Return the tarval of an immediate operation or NULL in case of SymConst
555 tarval *get_ia32_Immop_tarval(const ir_node *node) {
556 ia32_attr_t *attr = get_ia32_attr(node);
561 * Sets the attributes of an immediate operation to the specified tarval
563 void set_ia32_Immop_tarval(ir_node *node, tarval *tv) {
564 ia32_attr_t *attr = get_ia32_attr(node);
566 attr->cnst = set_cnst_from_tv(attr->cnst, attr->tv);
570 * Return the sc attribute.
572 char *get_ia32_sc(const ir_node *node) {
573 ia32_attr_t *attr = get_ia32_attr(node);
578 * Sets the sc attribute.
580 void set_ia32_sc(ir_node *node, char *sc) {
581 ia32_attr_t *attr = get_ia32_attr(node);
582 attr->sc = copy_str(attr->sc, sc);
587 attr->cnst = attr->sc;
591 * Gets the string representation of the internal const (tv or symconst)
593 char *get_ia32_cnst(const ir_node *node) {
594 ia32_attr_t *attr = get_ia32_attr(node);
599 * Sets the uses_frame flag.
601 void set_ia32_use_frame(ir_node *node) {
602 ia32_attr_t *attr = get_ia32_attr(node);
603 attr->data.use_frame = 1;
607 * Clears the uses_frame flag.
609 void clear_ia32_use_frame(ir_node *node) {
610 ia32_attr_t *attr = get_ia32_attr(node);
611 attr->data.use_frame = 0;
615 * Gets the uses_frame flag.
617 int is_ia32_use_frame(const ir_node *node) {
618 ia32_attr_t *attr = get_ia32_attr(node);
619 return attr->data.use_frame;
623 * Sets node to commutative.
625 void set_ia32_commutative(ir_node *node) {
626 ia32_attr_t *attr = get_ia32_attr(node);
627 attr->data.is_commutative = 1;
631 * Sets node to non-commutative.
633 void clear_ia32_commutative(ir_node *node) {
634 ia32_attr_t *attr = get_ia32_attr(node);
635 attr->data.is_commutative = 0;
639 * Checks if node is commutative.
641 int is_ia32_commutative(const ir_node *node) {
642 ia32_attr_t *attr = get_ia32_attr(node);
643 return attr->data.is_commutative;
647 * Gets the mode of the stored/loaded value (only set for Store/Load)
649 ir_mode *get_ia32_ls_mode(const ir_node *node) {
650 ia32_attr_t *attr = get_ia32_attr(node);
651 return attr->ls_mode;
655 * Sets the mode of the stored/loaded value (only set for Store/Load)
657 void set_ia32_ls_mode(ir_node *node, ir_mode *mode) {
658 ia32_attr_t *attr = get_ia32_attr(node);
659 attr->ls_mode = mode;
663 * Gets the frame entity assigned to this node;
665 entity *get_ia32_frame_ent(const ir_node *node) {
666 ia32_attr_t *attr = get_ia32_attr(node);
667 return attr->frame_ent;
671 * Sets the frame entity for this node;
673 void set_ia32_frame_ent(ir_node *node, entity *ent) {
674 ia32_attr_t *attr = get_ia32_attr(node);
675 attr->frame_ent = ent;
679 * Returns the argument register requirements of an ia32 node.
681 const ia32_register_req_t **get_ia32_in_req_all(const ir_node *node) {
682 ia32_attr_t *attr = get_ia32_attr(node);
687 * Sets the argument register requirements of an ia32 node.
689 void set_ia32_in_req_all(ir_node *node, const ia32_register_req_t **reqs) {
690 ia32_attr_t *attr = get_ia32_attr(node);
695 * Returns the result register requirements of an ia32 node.
697 const ia32_register_req_t **get_ia32_out_req_all(const ir_node *node) {
698 ia32_attr_t *attr = get_ia32_attr(node);
699 return attr->out_req;
703 * Sets the result register requirements of an ia32 node.
705 void set_ia32_out_req_all(ir_node *node, const ia32_register_req_t **reqs) {
706 ia32_attr_t *attr = get_ia32_attr(node);
707 attr->out_req = reqs;
711 * Returns the argument register requirement at position pos of an ia32 node.
713 const ia32_register_req_t *get_ia32_in_req(const ir_node *node, int pos) {
714 ia32_attr_t *attr = get_ia32_attr(node);
715 return attr->in_req[pos];
719 * Returns the result register requirement at position pos of an ia32 node.
721 const ia32_register_req_t *get_ia32_out_req(const ir_node *node, int pos) {
722 ia32_attr_t *attr = get_ia32_attr(node);
723 return attr->out_req[pos];
727 * Sets the OUT register requirements at position pos.
729 void set_ia32_req_out(ir_node *node, const ia32_register_req_t *req, int pos) {
730 ia32_attr_t *attr = get_ia32_attr(node);
731 attr->out_req[pos] = req;
735 * Sets the IN register requirements at position pos.
737 void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
738 ia32_attr_t *attr = get_ia32_attr(node);
739 attr->in_req[pos] = req;
743 * Returns the register flag of an ia32 node.
745 arch_irn_flags_t get_ia32_flags(const ir_node *node) {
746 ia32_attr_t *attr = get_ia32_attr(node);
747 return attr->data.flags;
751 * Sets the register flag of an ia32 node.
753 void set_ia32_flags(ir_node *node, arch_irn_flags_t flags) {
754 ia32_attr_t *attr = get_ia32_attr(node);
755 attr->data.flags = flags;
759 * Returns the result register slots of an ia32 node.
761 const arch_register_t **get_ia32_slots(const ir_node *node) {
762 ia32_attr_t *attr = get_ia32_attr(node);
767 * Sets the number of results.
769 void set_ia32_n_res(ir_node *node, int n_res) {
770 ia32_attr_t *attr = get_ia32_attr(node);
771 attr->data.n_res = n_res;
775 * Returns the number of results.
777 int get_ia32_n_res(const ir_node *node) {
778 ia32_attr_t *attr = get_ia32_attr(node);
779 return attr->data.n_res;
783 * Returns the flavour of an ia32 node,
785 ia32_op_flavour_t get_ia32_flavour(const ir_node *node) {
786 ia32_attr_t *attr = get_ia32_attr(node);
787 return attr->data.op_flav;
791 * Sets the flavour of an ia32 node to flavour_Div/Mod/DivMod/Mul/Mulh.
793 void set_ia32_flavour(ir_node *node, ia32_op_flavour_t op_flav) {
794 ia32_attr_t *attr = get_ia32_attr(node);
795 attr->data.op_flav = op_flav;
799 * Returns the projnum code.
801 long get_ia32_pncode(const ir_node *node) {
802 ia32_attr_t *attr = get_ia32_attr(node);
803 return attr->pn_code;
807 * Sets the projnum code
809 void set_ia32_pncode(ir_node *node, long code) {
810 ia32_attr_t *attr = get_ia32_attr(node);
811 attr->pn_code = code;
815 /******************************************************************************************************
817 * (_) | | | | | | / _| | | (_)
818 * ___ _ __ ___ ___ _ __ _| | __ _| |_| |_ _ __ | |_ _ _ _ __ ___| |_ _ ___ _ __ ___
819 * / __| '_ \ / _ \/ __| |/ _` | | / _` | __| __| '__| | _| | | | '_ \ / __| __| |/ _ \| '_ \ / __|
820 * \__ \ |_) | __/ (__| | (_| | | | (_| | |_| |_| | | | | |_| | | | | (__| |_| | (_) | | | | \__ \
821 * |___/ .__/ \___|\___|_|\__,_|_| \__,_|\__|\__|_| |_| \__,_|_| |_|\___|\__|_|\___/|_| |_| |___/
824 ******************************************************************************************************/
827 * Gets the type of an ia32_Const.
829 unsigned get_ia32_Const_type(const ir_node *node) {
830 ia32_attr_t *attr = get_ia32_attr(node);
832 assert(is_ia32_Cnst(node) && "Need ia32_Const to get type");
834 return attr->data.tp;
838 * Sets the type of an ia32_Const.
840 void set_ia32_Const_type(ir_node *node, int type) {
841 ia32_attr_t *attr = get_ia32_attr(node);
843 assert(is_ia32_Cnst(node) && "Need ia32_Const to set type");
844 assert((type == ia32_Const || type == ia32_SymConst) && "Unsupported ia32_Const type");
846 attr->data.tp = type;
850 * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
852 void set_ia32_Immop_attr(ir_node *node, ir_node *cnst) {
853 ia32_attr_t *na = get_ia32_attr(node);
854 ia32_attr_t *ca = get_ia32_attr(cnst);
856 assert(is_ia32_Cnst(cnst) && "Need ia32_Const to set Immop attr");
861 na->sc = copy_str(na->sc, ca->sc);
865 na->cnst = set_cnst_from_tv(na->cnst, na->tv);
871 * Copy the attributes from a Const to an ia32_Const
873 void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
874 ia32_attr_t *attr = get_ia32_attr(ia32_cnst);
876 assert(is_ia32_Cnst(ia32_cnst) && "Need ia32_Const to set Const attr");
878 switch (get_irn_opcode(cnst)) {
880 attr->data.tp = ia32_Const;
881 attr->tv = get_Const_tarval(cnst);
882 attr->cnst = set_cnst_from_tv(attr->cnst, attr->tv);
885 attr->data.tp = ia32_SymConst;
887 attr->sc = copy_str(attr->sc, get_sc_name(cnst));
888 attr->cnst = attr->sc;
891 assert(0 && "Unknown Const NYI");
894 assert(0 && "Cannot create ia32_Const for this opcode");
899 * Sets the AddrMode(S|D) attribute
901 void set_ia32_AddrMode(ir_node *node, char direction) {
902 ia32_attr_t *attr = get_ia32_attr(node);
906 attr->data.tp = ia32_AddrModeD;
909 attr->data.tp = ia32_AddrModeS;
912 assert(0 && "wrong AM type");
917 * Returns whether or not the node is an AddrModeS node.
919 int is_ia32_AddrModeS(const ir_node *node) {
920 ia32_attr_t *attr = get_ia32_attr(node);
921 return (attr->data.tp == ia32_AddrModeS);
925 * Returns whether or not the node is an AddrModeD node.
927 int is_ia32_AddrModeD(const ir_node *node) {
928 ia32_attr_t *attr = get_ia32_attr(node);
929 return (attr->data.tp == ia32_AddrModeD);
933 * Checks if node is a Load or fLoad.
935 int is_ia32_Ld(const ir_node *node) {
936 return is_ia32_Load(node) || is_ia32_fLoad(node);
940 * Checks if node is a Store or fStore.
942 int is_ia32_St(const ir_node *node) {
943 return is_ia32_Store(node) || is_ia32_fStore(node);
947 * Checks if node is a Const or fConst.
949 int is_ia32_Cnst(const ir_node *node) {
950 return is_ia32_Const(node) || is_ia32_fConst(node);
954 * Returns the name of the OUT register at position pos.
956 const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
957 ia32_attr_t *attr = get_ia32_attr(node);
959 assert(is_ia32_irn(node) && "Not an ia32 node.");
960 assert(pos < attr->data.n_res && "Invalid OUT position.");
961 assert(attr->slots[pos] && "No register assigned");
963 return arch_register_get_name(attr->slots[pos]);
967 * Returns the index of the OUT register at position pos within its register class.
969 int get_ia32_out_regnr(const ir_node *node, int pos) {
970 ia32_attr_t *attr = get_ia32_attr(node);
972 assert(is_ia32_irn(node) && "Not an ia32 node.");
973 assert(pos < attr->data.n_res && "Invalid OUT position.");
974 assert(attr->slots[pos] && "No register assigned");
976 return arch_register_get_index(attr->slots[pos]);
980 * Returns the OUT register at position pos.
982 const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
983 ia32_attr_t *attr = get_ia32_attr(node);
985 assert(is_ia32_irn(node) && "Not an ia32 node.");
986 assert(pos < attr->data.n_res && "Invalid OUT position.");
987 assert(attr->slots[pos] && "No register assigned");
989 return attr->slots[pos];
993 * Allocates num register slots for node.
995 void alloc_ia32_reg_slots(ir_node *node, int num) {
996 ia32_attr_t *attr = get_ia32_attr(node);
999 attr->slots = xcalloc(num, sizeof(attr->slots[0]));
1005 attr->data.n_res = num;
1009 * Initializes the nodes attributes.
1011 void init_ia32_attributes(ir_node *node, arch_irn_flags_t flags, const ia32_register_req_t **in_reqs,
1012 const ia32_register_req_t **out_reqs, int n_res)
1014 set_ia32_flags(node, flags);
1015 set_ia32_in_req_all(node, in_reqs);
1016 set_ia32_out_req_all(node, out_reqs);
1017 alloc_ia32_reg_slots(node, n_res);
1020 /***************************************************************************************
1023 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
1024 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
1025 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
1026 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
1028 ***************************************************************************************/
1030 /* default compare operation to compare immediate ops */
1031 int ia32_compare_immop_attr(ia32_attr_t *a, ia32_attr_t *b) {
1032 if (a->data.tp == b->data.tp) {
1033 if (! a->cnst || ! b->cnst)
1036 return strcmp(a->cnst, b->cnst);
1042 /* Include the generated constructor functions */
1043 #include "gen_ia32_new_nodes.c.inl"