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;
184 const ia32_register_req_t **reqs;
185 const arch_register_t **slots;
188 case dump_node_opcode_txt:
189 fprintf(F, "%s", get_irn_opname(n));
192 case dump_node_mode_txt:
193 mode = get_irn_mode(n);
195 if (is_ia32_Load(n) || is_ia32_Store(n)) {
196 mode = get_ia32_ls_mode(n);
200 fprintf(F, "[%s]", get_mode_name(mode));
203 fprintf(F, "[?NOMODE?]");
207 case dump_node_nodeattr_txt:
208 if (is_ia32_Call(n)) {
209 fprintf(F, "&%s ", get_ia32_sc(n));
211 else if (get_ia32_cnst(n)) {
214 if (get_ia32_sc(n)) {
218 fprintf(F, "[%s%s]", pref, get_ia32_cnst(n));
221 if (! is_ia32_Lea(n)) {
222 if (is_ia32_AddrModeS(n)) {
223 fprintf(F, "[AM S] ");
225 else if (is_ia32_AddrModeD(n)) {
226 fprintf(F, "[AM D] ");
232 case dump_node_info_txt:
233 attr = get_ia32_attr(n);
234 n_res = get_ia32_n_res(n);
235 fprintf(F, "=== IA32 attr begin ===\n");
237 /* dump IN requirements */
238 if (get_irn_arity(n) > 0) {
239 reqs = get_ia32_in_req_all(n);
240 dump_reg_req(F, n, reqs, 0);
243 /* dump OUT requirements */
245 reqs = get_ia32_out_req_all(n);
246 dump_reg_req(F, n, reqs, 1);
249 /* dump assigned registers */
250 slots = get_ia32_slots(n);
251 if (slots && n_res > 0) {
252 for (i = 0; i < n_res; i++) {
254 fprintf(F, "reg #%d = %s\n", i, slots[i]->name);
257 fprintf(F, "reg #%d = n/a\n", i);
265 switch (get_ia32_op_type(n)) {
267 fprintf(F, "Normal");
273 fprintf(F, "SymConst");
276 fprintf(F, "AM Dest (Load+Store)");
279 fprintf(F, "AM Source (Load)");
282 fprintf(F, "unknown (%d)", get_ia32_op_type(n));
288 /* dump supported am */
289 fprintf(F, "AM support = ");
290 switch (get_ia32_am_support(n)) {
295 fprintf(F, "source only (Load)");
298 fprintf(F, "dest only (Load+Store)");
304 fprintf(F, "unknown (%d)", get_ia32_am_support(n));
309 /* dump am flavour */
310 fprintf(F, "AM flavour =");
311 am_flav = get_ia32_am_flavour(n);
312 if (am_flav == ia32_am_N) {
316 if (am_flav & ia32_O) {
319 if (am_flav & ia32_B) {
322 if (am_flav & ia32_I) {
325 if (am_flav & ia32_S) {
329 fprintf(F, " (%d)\n", am_flav);
332 fprintf(F, "AM offset = ");
333 if (get_ia32_am_offs(n)) {
334 fprintf(F, "%s", get_ia32_am_offs(n));
342 fprintf(F, "AM scale = %d\n", get_ia32_am_scale(n));
345 fprintf(F, "pn_code = %d\n", get_ia32_pncode(n));
348 fprintf(F, "n_res = %d\n", get_ia32_n_res(n));
351 fprintf(F, "use_frame = %d\n", is_ia32_use_frame(n));
354 fprintf(F, "commutative = %d\n", is_ia32_commutative(n));
357 fprintf(F, "flags =");
358 flags = get_ia32_flags(n);
359 if (flags == arch_irn_flags_none) {
363 if (flags & arch_irn_flags_dont_spill) {
364 fprintf(F, " unspillable");
366 if (flags & arch_irn_flags_rematerializable) {
367 fprintf(F, " remat");
369 if (flags & arch_irn_flags_ignore) {
370 fprintf(F, " ignore");
373 fprintf(F, " (%d)\n", flags);
375 /* dump frame entity */
376 fprintf(F, "frame entity = ");
377 if (get_ia32_frame_ent(n)) {
378 ir_fprintf(F, "%+F", get_ia32_frame_ent(n));
385 fprintf(F, "=== IA32 attr end ===\n");
386 /* end of: case dump_node_info_txt */
395 /***************************************************************************************************
397 * | | | | | | / / | | | | | | | |
398 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
399 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
400 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
401 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
404 ***************************************************************************************************/
406 static char *copy_str(char *dst, const char *src) {
407 dst = xcalloc(1, strlen(src) + 1);
408 strncpy(dst, src, strlen(src) + 1);
412 static char *set_cnst_from_tv(char *cnst, tarval *tv) {
417 cnst = xcalloc(1, 64);
418 assert(tarval_snprintf(cnst, 63, tv));
423 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
424 * Firm was made by people hating const :-(
426 ia32_attr_t *get_ia32_attr(const ir_node *node) {
427 assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
428 return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
432 * Gets the type of an ia32 node.
434 ia32_op_type_t get_ia32_op_type(const ir_node *node) {
435 ia32_attr_t *attr = get_ia32_attr(node);
436 return attr->data.tp;
440 * Sets the type of an ia32 node.
442 void set_ia32_op_type(ir_node *node, ia32_op_type_t tp) {
443 ia32_attr_t *attr = get_ia32_attr(node);
448 * Gets the supported addrmode of an ia32 node
450 ia32_am_type_t get_ia32_am_support(const ir_node *node) {
451 ia32_attr_t *attr = get_ia32_attr(node);
452 return attr->data.am_support;
456 * Sets the supported addrmode of an ia32 node
458 void set_ia32_am_support(ir_node *node, ia32_am_type_t am_tp) {
459 ia32_attr_t *attr = get_ia32_attr(node);
460 attr->data.am_support = am_tp;
464 * Gets the addrmode flavour of an ia32 node
466 ia32_am_flavour_t get_ia32_am_flavour(const ir_node *node) {
467 ia32_attr_t *attr = get_ia32_attr(node);
468 return attr->data.am_flavour;
472 * Sets the addrmode flavour of an ia32 node
474 void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
475 ia32_attr_t *attr = get_ia32_attr(node);
476 attr->data.am_flavour = am_flavour;
480 * Joins all offsets to one string with adds.
482 char *get_ia32_am_offs(const ir_node *node) {
483 ia32_attr_t *attr = get_ia32_attr(node);
487 if (! attr->am_offs) {
491 size = obstack_object_size(attr->am_offs);
493 res = xcalloc(1, size + 2);
494 res[0] = attr->data.offs_sign ? '-' : '+';
495 memcpy(&res[1], obstack_base(attr->am_offs), size);
498 res[size + 1] = '\0';
503 * Add an offset for addrmode.
505 static void extend_ia32_am_offs(ir_node *node, char *offset, char op) {
506 ia32_attr_t *attr = get_ia32_attr(node);
511 /* offset could already have an explicit sign */
512 /* -> supersede op if necessary */
513 if (offset[0] == '-' && op == '-') {
516 else if (offset[0] == '-' && op == '+') {
520 /* skip explicit sign */
521 if (offset[0] == '-' || offset[0] == '+') {
525 if (! attr->am_offs) {
526 /* obstack is not initialized */
527 attr->am_offs = xcalloc(1, sizeof(*(attr->am_offs)));
528 obstack_init(attr->am_offs);
530 attr->data.offs_sign = (op == '-') ? 1 : 0;
533 /* If obstack is initialized, connect the new offset with op */
534 obstack_printf(attr->am_offs, "%c", op);
537 obstack_printf(attr->am_offs, "%s", offset);
541 * Add an offset for addrmode.
543 void add_ia32_am_offs(ir_node *node, char *offset) {
544 extend_ia32_am_offs(node, offset, '+');
548 * Sub an offset for addrmode.
550 void sub_ia32_am_offs(ir_node *node, char *offset) {
551 extend_ia32_am_offs(node, offset, '-');
555 * Gets the addr mode const.
557 int get_ia32_am_scale(const ir_node *node) {
558 ia32_attr_t *attr = get_ia32_attr(node);
559 return attr->data.am_scale;
563 * Sets the index register scale for addrmode.
565 void set_ia32_am_scale(ir_node *node, int scale) {
566 ia32_attr_t *attr = get_ia32_attr(node);
567 attr->data.am_scale = scale;
571 * Return the tarval of an immediate operation or NULL in case of SymConst
573 tarval *get_ia32_Immop_tarval(const ir_node *node) {
574 ia32_attr_t *attr = get_ia32_attr(node);
579 * Sets the attributes of an immediate operation to the specified tarval
581 void set_ia32_Immop_tarval(ir_node *node, tarval *tv) {
582 ia32_attr_t *attr = get_ia32_attr(node);
584 attr->cnst = set_cnst_from_tv(attr->cnst, attr->tv);
588 * Return the sc attribute.
590 char *get_ia32_sc(const ir_node *node) {
591 ia32_attr_t *attr = get_ia32_attr(node);
596 * Sets the sc attribute.
598 void set_ia32_sc(ir_node *node, char *sc) {
599 ia32_attr_t *attr = get_ia32_attr(node);
600 attr->sc = copy_str(attr->sc, sc);
605 attr->cnst = attr->sc;
609 * Gets the string representation of the internal const (tv or symconst)
611 char *get_ia32_cnst(const ir_node *node) {
612 ia32_attr_t *attr = get_ia32_attr(node);
617 * Sets the uses_frame flag.
619 void set_ia32_use_frame(ir_node *node) {
620 ia32_attr_t *attr = get_ia32_attr(node);
621 attr->data.use_frame = 1;
625 * Clears the uses_frame flag.
627 void clear_ia32_use_frame(ir_node *node) {
628 ia32_attr_t *attr = get_ia32_attr(node);
629 attr->data.use_frame = 0;
633 * Gets the uses_frame flag.
635 int is_ia32_use_frame(const ir_node *node) {
636 ia32_attr_t *attr = get_ia32_attr(node);
637 return attr->data.use_frame;
641 * Sets node to commutative.
643 void set_ia32_commutative(ir_node *node) {
644 ia32_attr_t *attr = get_ia32_attr(node);
645 attr->data.is_commutative = 1;
649 * Sets node to non-commutative.
651 void clear_ia32_commutative(ir_node *node) {
652 ia32_attr_t *attr = get_ia32_attr(node);
653 attr->data.is_commutative = 0;
657 * Checks if node is commutative.
659 int is_ia32_commutative(const ir_node *node) {
660 ia32_attr_t *attr = get_ia32_attr(node);
662 return attr->data.is_commutative;
666 * Gets the mode of the stored/loaded value (only set for Store/Load)
668 ir_mode *get_ia32_ls_mode(const ir_node *node) {
669 ia32_attr_t *attr = get_ia32_attr(node);
670 return attr->ls_mode;
674 * Sets the mode of the stored/loaded value (only set for Store/Load)
676 void set_ia32_ls_mode(ir_node *node, ir_mode *mode) {
677 ia32_attr_t *attr = get_ia32_attr(node);
678 attr->ls_mode = mode;
682 * Gets the frame entity assigned to this node;
684 entity *get_ia32_frame_ent(const ir_node *node) {
685 ia32_attr_t *attr = get_ia32_attr(node);
686 return attr->frame_ent;
690 * Sets the frame entity for this node;
692 void set_ia32_frame_ent(ir_node *node, entity *ent) {
693 ia32_attr_t *attr = get_ia32_attr(node);
694 attr->frame_ent = ent;
698 * Returns the argument register requirements of an ia32 node.
700 const ia32_register_req_t **get_ia32_in_req_all(const ir_node *node) {
701 ia32_attr_t *attr = get_ia32_attr(node);
706 * Sets the argument register requirements of an ia32 node.
708 void set_ia32_in_req_all(ir_node *node, const ia32_register_req_t **reqs) {
709 ia32_attr_t *attr = get_ia32_attr(node);
714 * Returns the result register requirements of an ia32 node.
716 const ia32_register_req_t **get_ia32_out_req_all(const ir_node *node) {
717 ia32_attr_t *attr = get_ia32_attr(node);
718 return attr->out_req;
722 * Sets the result register requirements of an ia32 node.
724 void set_ia32_out_req_all(ir_node *node, const ia32_register_req_t **reqs) {
725 ia32_attr_t *attr = get_ia32_attr(node);
726 attr->out_req = reqs;
730 * Returns the argument register requirement at position pos of an ia32 node.
732 const ia32_register_req_t *get_ia32_in_req(const ir_node *node, int pos) {
733 ia32_attr_t *attr = get_ia32_attr(node);
734 return attr->in_req[pos];
738 * Returns the result register requirement at position pos of an ia32 node.
740 const ia32_register_req_t *get_ia32_out_req(const ir_node *node, int pos) {
741 ia32_attr_t *attr = get_ia32_attr(node);
742 return attr->out_req[pos];
746 * Sets the OUT register requirements at position pos.
748 void set_ia32_req_out(ir_node *node, const ia32_register_req_t *req, int pos) {
749 ia32_attr_t *attr = get_ia32_attr(node);
750 attr->out_req[pos] = req;
754 * Sets the IN register requirements at position pos.
756 void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
757 ia32_attr_t *attr = get_ia32_attr(node);
758 attr->in_req[pos] = req;
762 * Returns the register flag of an ia32 node.
764 arch_irn_flags_t get_ia32_flags(const ir_node *node) {
765 ia32_attr_t *attr = get_ia32_attr(node);
766 return attr->data.flags;
770 * Sets the register flag of an ia32 node.
772 void set_ia32_flags(ir_node *node, arch_irn_flags_t flags) {
773 ia32_attr_t *attr = get_ia32_attr(node);
774 attr->data.flags = flags;
778 * Returns the result register slots of an ia32 node.
780 const arch_register_t **get_ia32_slots(const ir_node *node) {
781 ia32_attr_t *attr = get_ia32_attr(node);
786 * Sets the number of results.
788 void set_ia32_n_res(ir_node *node, int n_res) {
789 ia32_attr_t *attr = get_ia32_attr(node);
790 attr->data.n_res = n_res;
794 * Returns the number of results.
796 int get_ia32_n_res(const ir_node *node) {
797 ia32_attr_t *attr = get_ia32_attr(node);
798 return attr->data.n_res;
802 * Returns the flavour of an ia32 node,
804 ia32_op_flavour_t get_ia32_flavour(const ir_node *node) {
805 ia32_attr_t *attr = get_ia32_attr(node);
806 return attr->data.op_flav;
810 * Sets the flavour of an ia32 node to flavour_Div/Mod/DivMod/Mul/Mulh.
812 void set_ia32_flavour(ir_node *node, ia32_op_flavour_t op_flav) {
813 ia32_attr_t *attr = get_ia32_attr(node);
814 attr->data.op_flav = op_flav;
818 * Returns the projnum code.
820 long get_ia32_pncode(const ir_node *node) {
821 ia32_attr_t *attr = get_ia32_attr(node);
822 return attr->pn_code;
826 * Sets the projnum code
828 void set_ia32_pncode(ir_node *node, long code) {
829 ia32_attr_t *attr = get_ia32_attr(node);
830 attr->pn_code = code;
834 /******************************************************************************************************
836 * (_) | | | | | | / _| | | (_)
837 * ___ _ __ ___ ___ _ __ _| | __ _| |_| |_ _ __ | |_ _ _ _ __ ___| |_ _ ___ _ __ ___
838 * / __| '_ \ / _ \/ __| |/ _` | | / _` | __| __| '__| | _| | | | '_ \ / __| __| |/ _ \| '_ \ / __|
839 * \__ \ |_) | __/ (__| | (_| | | | (_| | |_| |_| | | | | |_| | | | | (__| |_| | (_) | | | | \__ \
840 * |___/ .__/ \___|\___|_|\__,_|_| \__,_|\__|\__|_| |_| \__,_|_| |_|\___|\__|_|\___/|_| |_| |___/
843 ******************************************************************************************************/
846 * Gets the type of an ia32_Const.
848 unsigned get_ia32_Const_type(const ir_node *node) {
849 ia32_attr_t *attr = get_ia32_attr(node);
851 assert((is_ia32_Const(node) || is_ia32_fConst(node)) && "Need ia32_Const to get type");
853 return attr->data.tp;
857 * Sets the type of an ia32_Const.
859 void set_ia32_Const_type(ir_node *node, int type) {
860 ia32_attr_t *attr = get_ia32_attr(node);
862 assert((is_ia32_Const(node) || is_ia32_fConst(node)) && "Need ia32_Const to set type");
863 assert((type == ia32_Const || type == ia32_SymConst) && "Unsupported ia32_Const type");
865 attr->data.tp = type;
869 * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
871 void set_ia32_Immop_attr(ir_node *node, ir_node *cnst) {
872 ia32_attr_t *na = get_ia32_attr(node);
873 ia32_attr_t *ca = get_ia32_attr(cnst);
875 assert((is_ia32_Const(cnst) || is_ia32_fConst(cnst)) && "Need ia32_Const to set Immop attr");
880 na->sc = copy_str(na->sc, ca->sc);
884 na->cnst = set_cnst_from_tv(na->cnst, na->tv);
890 * Copy the attributes from a Const to an ia32_Const
892 void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
893 ia32_attr_t *attr = get_ia32_attr(ia32_cnst);
895 assert((is_ia32_Const(ia32_cnst) || is_ia32_fConst(ia32_cnst)) && "Need ia32_Const to set Const attr");
897 switch (get_irn_opcode(cnst)) {
899 attr->data.tp = ia32_Const;
900 attr->tv = get_Const_tarval(cnst);
901 attr->cnst = set_cnst_from_tv(attr->cnst, attr->tv);
904 attr->data.tp = ia32_SymConst;
906 attr->sc = copy_str(attr->sc, get_sc_name(cnst));
907 attr->cnst = attr->sc;
910 assert(0 && "Unknown Const NYI");
913 assert(0 && "Cannot create ia32_Const for this opcode");
918 * Sets the AddrMode(S|D) attribute
920 void set_ia32_AddrMode(ir_node *node, char direction) {
921 ia32_attr_t *attr = get_ia32_attr(node);
925 attr->data.tp = ia32_AddrModeD;
928 attr->data.tp = ia32_AddrModeS;
931 assert(0 && "wrong AM type");
936 * Returns whether or not the node is an AddrModeS node.
938 int is_ia32_AddrModeS(const ir_node *node) {
939 ia32_attr_t *attr = get_ia32_attr(node);
940 return (attr->data.tp == ia32_AddrModeS);
944 * Returns whether or not the node is an AddrModeD node.
946 int is_ia32_AddrModeD(const ir_node *node) {
947 ia32_attr_t *attr = get_ia32_attr(node);
948 return (attr->data.tp == ia32_AddrModeD);
952 * Checks if node is a Load or fLoad.
954 int is_ia32_Ld(const ir_node *node) {
955 return is_ia32_Load(node) || is_ia32_fLoad(node);
959 * Checks if node is a Store or fStore.
961 int is_ia32_St(const ir_node *node) {
962 return is_ia32_Store(node) || is_ia32_fStore(node);
966 * Returns the name of the OUT register at position pos.
968 const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
969 ia32_attr_t *attr = get_ia32_attr(node);
971 assert(is_ia32_irn(node) && "Not an ia32 node.");
972 assert(pos < attr->data.n_res && "Invalid OUT position.");
973 assert(attr->slots[pos] && "No register assigned");
975 return arch_register_get_name(attr->slots[pos]);
979 * Returns the index of the OUT register at position pos within its register class.
981 int get_ia32_out_regnr(const ir_node *node, int pos) {
982 ia32_attr_t *attr = get_ia32_attr(node);
984 assert(is_ia32_irn(node) && "Not an ia32 node.");
985 assert(pos < attr->data.n_res && "Invalid OUT position.");
986 assert(attr->slots[pos] && "No register assigned");
988 return arch_register_get_index(attr->slots[pos]);
992 * Returns the OUT register at position pos.
994 const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
995 ia32_attr_t *attr = get_ia32_attr(node);
997 assert(is_ia32_irn(node) && "Not an ia32 node.");
998 assert(pos < attr->data.n_res && "Invalid OUT position.");
999 assert(attr->slots[pos] && "No register assigned");
1001 return attr->slots[pos];
1005 * Allocates num register slots for node.
1007 void alloc_ia32_reg_slots(ir_node *node, int num) {
1008 ia32_attr_t *attr = get_ia32_attr(node);
1011 attr->slots = xcalloc(num, sizeof(attr->slots[0]));
1021 * Initializes the nodes attributes.
1023 void init_ia32_attributes(ir_node *node, arch_irn_flags_t flags, const ia32_register_req_t **in_reqs,
1024 const ia32_register_req_t **out_reqs, int n_res)
1026 set_ia32_flags(node, flags);
1027 set_ia32_in_req_all(node, in_reqs);
1028 set_ia32_out_req_all(node, out_reqs);
1029 alloc_ia32_reg_slots(node, n_res);
1032 /***************************************************************************************
1035 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
1036 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
1037 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
1038 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
1040 ***************************************************************************************/
1042 /* Include the generated constructor functions */
1043 #include "gen_ia32_new_nodes.c.inl"