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"
36 #include "gen_ia32_new_nodes.h"
38 #ifdef obstack_chunk_alloc
39 # undef obstack_chunk_alloc
40 # define obstack_chunk_alloc xmalloc
42 # define obstack_chunk_alloc xmalloc
43 # define obstack_chunk_free free
46 extern int obstack_printf(struct obstack *obst, char *fmt, ...);
48 /***********************************************************************************
51 * __| |_ _ _ __ ___ _ __ ___ _ __ _ _ __ | |_ ___ _ __| |_ __ _ ___ ___
52 * / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__| _/ _` |/ __/ _ \
53 * | (_| | |_| | | | | | | |_) | __/ | | | | | | || __/ | | || (_| | (_| __/
54 * \__,_|\__,_|_| |_| |_| .__/ \___|_| |_|_| |_|\__\___|_| |_| \__,_|\___\___|
57 ***********************************************************************************/
60 * Returns the name of a SymConst.
61 * @param symc the SymConst
62 * @return name of the SymConst
64 const char *get_sc_name(ir_node *symc) {
65 if (get_irn_opcode(symc) != iro_SymConst)
68 switch (get_SymConst_kind(symc)) {
69 case symconst_addr_name:
70 return get_id_str(get_SymConst_name(symc));
72 case symconst_addr_ent:
73 return get_entity_ld_name(get_SymConst_entity(symc));
76 assert(0 && "Unsupported SymConst");
83 * Returns a string containing the names of all registers within the limited bitset
85 static char *get_limited_regs(const arch_register_req_t *req, char *buf, int max) {
86 bitset_t *bs = bitset_alloca(req->cls->n_regs);
91 req->limited(NULL, bs);
93 for (i = 0; i < req->cls->n_regs; i++) {
94 if (bitset_is_set(bs, i)) {
95 cnt = snprintf(p, max - size, " %s", req->cls->regs[i].name);
97 fprintf(stderr, "dumper problem, exiting\n");
113 * Dumps the register requirements for either in or out.
115 static void dump_reg_req(FILE *F, ir_node *n, const ia32_register_req_t **reqs, int inout) {
116 char *dir = inout ? "out" : "in";
117 int max = inout ? get_ia32_n_res(n) : get_irn_arity(n);
118 char *buf = alloca(1024);
121 memset(buf, 0, 1024);
124 for (i = 0; i < max; i++) {
125 fprintf(F, "%sreq #%d =", dir, i);
127 if (reqs[i]->req.type == arch_register_req_type_none) {
131 if (reqs[i]->req.type & arch_register_req_type_normal) {
132 fprintf(F, " %s", reqs[i]->req.cls->name);
135 if (reqs[i]->req.type & arch_register_req_type_limited) {
136 fprintf(F, " %s", get_limited_regs(&reqs[i]->req, buf, 1024));
139 if (reqs[i]->req.type & arch_register_req_type_should_be_same) {
140 ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->same_pos));
143 if (reqs[i]->req.type & arch_register_req_type_should_be_different) {
144 ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->different_pos));
153 fprintf(F, "%sreq = N/A\n", dir);
158 * Dumper interface for dumping ia32 nodes in vcg.
159 * @param n the node to dump
160 * @param F the output file
161 * @param reason indicates which kind of information should be dumped
162 * @return 0 on success or != 0 on failure
164 static int dump_node_ia32(ir_node *n, FILE *F, dump_reason_t reason) {
165 ir_mode *mode = NULL;
167 int i, n_res, am_flav, flags;
168 const ia32_register_req_t **reqs;
169 const arch_register_t **slots;
172 case dump_node_opcode_txt:
173 fprintf(F, "%s", get_irn_opname(n));
176 case dump_node_mode_txt:
177 mode = get_irn_mode(n);
179 if (is_ia32_Ld(n) || is_ia32_St(n)) {
180 mode = get_ia32_ls_mode(n);
183 fprintf(F, "[%s]", mode ? get_mode_name(mode) : "?NOMODE?");
186 case dump_node_nodeattr_txt:
187 if (get_ia32_cnst(n)) {
190 if (get_ia32_sc(n)) {
194 fprintf(F, "[%s%s]", pref, get_ia32_cnst(n));
197 if (! is_ia32_Lea(n)) {
198 if (is_ia32_AddrModeS(n)) {
199 fprintf(F, "[AM S] ");
201 else if (is_ia32_AddrModeD(n)) {
202 fprintf(F, "[AM D] ");
208 case dump_node_info_txt:
209 n_res = get_ia32_n_res(n);
210 fprintf(F, "=== IA32 attr begin ===\n");
212 /* dump IN requirements */
213 if (get_irn_arity(n) > 0) {
214 reqs = get_ia32_in_req_all(n);
215 dump_reg_req(F, n, reqs, 0);
218 /* dump OUT requirements */
220 reqs = get_ia32_out_req_all(n);
221 dump_reg_req(F, n, reqs, 1);
224 /* dump assigned registers */
225 slots = get_ia32_slots(n);
226 if (slots && n_res > 0) {
227 for (i = 0; i < n_res; i++) {
228 fprintf(F, "reg #%d = %s\n", i, slots[i] ? slots[i]->name : "n/a");
235 switch (get_ia32_op_type(n)) {
237 fprintf(F, "Normal");
243 fprintf(F, "SymConst");
246 fprintf(F, "AM Dest (Load+Store)");
249 fprintf(F, "AM Source (Load)");
252 fprintf(F, "unknown (%d)", get_ia32_op_type(n));
258 /* dump supported am */
259 fprintf(F, "AM support = ");
260 switch (get_ia32_am_support(n)) {
265 fprintf(F, "source only (Load)");
268 fprintf(F, "dest only (Load+Store)");
274 fprintf(F, "unknown (%d)", get_ia32_am_support(n));
279 /* dump am flavour */
280 fprintf(F, "AM flavour =");
281 am_flav = get_ia32_am_flavour(n);
282 if (am_flav == ia32_am_N) {
286 if (am_flav & ia32_O) {
289 if (am_flav & ia32_B) {
292 if (am_flav & ia32_I) {
295 if (am_flav & ia32_S) {
299 fprintf(F, " (%d)\n", am_flav);
302 fprintf(F, "AM offset = ");
303 if (get_ia32_am_offs(n)) {
304 fprintf(F, "%s", get_ia32_am_offs(n));
312 fprintf(F, "AM scale = %d\n", get_ia32_am_scale(n));
315 fprintf(F, "pn_code = %ld\n", get_ia32_pncode(n));
318 fprintf(F, "n_res = %d\n", get_ia32_n_res(n));
321 fprintf(F, "use_frame = %d\n", is_ia32_use_frame(n));
324 fprintf(F, "commutative = %d\n", is_ia32_commutative(n));
327 fprintf(F, "flags =");
328 flags = get_ia32_flags(n);
329 if (flags == arch_irn_flags_none) {
333 if (flags & arch_irn_flags_dont_spill) {
334 fprintf(F, " unspillable");
336 if (flags & arch_irn_flags_rematerializable) {
337 fprintf(F, " remat");
339 if (flags & arch_irn_flags_ignore) {
340 fprintf(F, " ignore");
343 fprintf(F, " (%d)\n", flags);
345 /* dump frame entity */
346 fprintf(F, "frame entity = ");
347 if (get_ia32_frame_ent(n)) {
348 ir_fprintf(F, "%+F", get_ia32_frame_ent(n));
356 /* dump original ir node name */
357 fprintf(F, "orig node = ");
358 if (get_ia32_orig_node(n)) {
359 fprintf(F, "%s", get_ia32_orig_node(n));
367 fprintf(F, "=== IA32 attr end ===\n");
368 /* end of: case dump_node_info_txt */
377 /***************************************************************************************************
379 * | | | | | | / / | | | | | | | |
380 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
381 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
382 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
383 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
386 ***************************************************************************************************/
388 static char *copy_str(const char *src) {
389 size_t l = strlen(src) + 1;
390 char *dst = xmalloc(l);
391 strncpy(dst, src, l);
396 static char *set_cnst_from_tv(char *cnst, tarval *tv) {
403 assert(tarval_snprintf(cnst, l, tv));
409 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
410 * Firm was made by people hating const :-(
412 ia32_attr_t *get_ia32_attr(const ir_node *node) {
413 assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
414 return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
418 * Gets the type of an ia32 node.
420 ia32_op_type_t get_ia32_op_type(const ir_node *node) {
421 ia32_attr_t *attr = get_ia32_attr(node);
422 return attr->data.tp;
426 * Sets the type of an ia32 node.
428 void set_ia32_op_type(ir_node *node, ia32_op_type_t tp) {
429 ia32_attr_t *attr = get_ia32_attr(node);
434 * Gets the supported addrmode of an ia32 node
436 ia32_am_type_t get_ia32_am_support(const ir_node *node) {
437 ia32_attr_t *attr = get_ia32_attr(node);
438 return attr->data.am_support;
442 * Sets the supported addrmode of an ia32 node
444 void set_ia32_am_support(ir_node *node, ia32_am_type_t am_tp) {
445 ia32_attr_t *attr = get_ia32_attr(node);
446 attr->data.am_support = am_tp;
450 * Gets the addrmode flavour of an ia32 node
452 ia32_am_flavour_t get_ia32_am_flavour(const ir_node *node) {
453 ia32_attr_t *attr = get_ia32_attr(node);
454 return attr->data.am_flavour;
458 * Sets the addrmode flavour of an ia32 node
460 void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
461 ia32_attr_t *attr = get_ia32_attr(node);
462 attr->data.am_flavour = am_flavour;
466 * Joins all offsets to one string with adds.
468 char *get_ia32_am_offs(const ir_node *node) {
469 ia32_attr_t *attr = get_ia32_attr(node);
473 if (! attr->am_offs) {
477 size = obstack_object_size(attr->am_offs);
479 res = xmalloc(size + 2);
480 res[0] = attr->data.offs_sign ? '-' : '+';
481 memcpy(&res[1], obstack_base(attr->am_offs), size);
482 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 const 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, const char *sc) {
581 ia32_attr_t *attr = get_ia32_attr(node);
582 attr->sc = copy_str(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 string representation of the internal const.
601 void set_ia32_cnst(ir_node *node, char *cnst) {
602 ia32_attr_t *attr = get_ia32_attr(node);
607 * Sets the uses_frame flag.
609 void set_ia32_use_frame(ir_node *node) {
610 ia32_attr_t *attr = get_ia32_attr(node);
611 attr->data.use_frame = 1;
615 * Clears the uses_frame flag.
617 void clear_ia32_use_frame(ir_node *node) {
618 ia32_attr_t *attr = get_ia32_attr(node);
619 attr->data.use_frame = 0;
623 * Gets the uses_frame flag.
625 int is_ia32_use_frame(const ir_node *node) {
626 ia32_attr_t *attr = get_ia32_attr(node);
627 return attr->data.use_frame;
631 * Sets node to commutative.
633 void set_ia32_commutative(ir_node *node) {
634 ia32_attr_t *attr = get_ia32_attr(node);
635 attr->data.is_commutative = 1;
639 * Sets node to non-commutative.
641 void clear_ia32_commutative(ir_node *node) {
642 ia32_attr_t *attr = get_ia32_attr(node);
643 attr->data.is_commutative = 0;
647 * Checks if node is commutative.
649 int is_ia32_commutative(const ir_node *node) {
650 ia32_attr_t *attr = get_ia32_attr(node);
651 return attr->data.is_commutative;
655 * Gets the mode of the stored/loaded value (only set for Store/Load)
657 ir_mode *get_ia32_ls_mode(const ir_node *node) {
658 ia32_attr_t *attr = get_ia32_attr(node);
659 return attr->ls_mode;
663 * Sets the mode of the stored/loaded value (only set for Store/Load)
665 void set_ia32_ls_mode(ir_node *node, ir_mode *mode) {
666 ia32_attr_t *attr = get_ia32_attr(node);
667 attr->ls_mode = mode;
671 * Gets the mode of the result.
673 ir_mode *get_ia32_res_mode(const ir_node *node) {
674 ia32_attr_t *attr = get_ia32_attr(node);
675 return attr->res_mode;
679 * Sets the mode of the result.
681 void set_ia32_res_mode(ir_node *node, ir_mode *mode) {
682 ia32_attr_t *attr = get_ia32_attr(node);
683 attr->res_mode = mode;
687 * Gets the frame entity assigned to this node;
689 entity *get_ia32_frame_ent(const ir_node *node) {
690 ia32_attr_t *attr = get_ia32_attr(node);
691 return attr->frame_ent;
695 * Sets the frame entity for this node;
697 void set_ia32_frame_ent(ir_node *node, entity *ent) {
698 ia32_attr_t *attr = get_ia32_attr(node);
699 attr->frame_ent = ent;
703 * Returns the argument register requirements of an ia32 node.
705 const ia32_register_req_t **get_ia32_in_req_all(const ir_node *node) {
706 ia32_attr_t *attr = get_ia32_attr(node);
711 * Sets the argument register requirements of an ia32 node.
713 void set_ia32_in_req_all(ir_node *node, const ia32_register_req_t **reqs) {
714 ia32_attr_t *attr = get_ia32_attr(node);
719 * Returns the result register requirements of an ia32 node.
721 const ia32_register_req_t **get_ia32_out_req_all(const ir_node *node) {
722 ia32_attr_t *attr = get_ia32_attr(node);
723 return attr->out_req;
727 * Sets the result register requirements of an ia32 node.
729 void set_ia32_out_req_all(ir_node *node, const ia32_register_req_t **reqs) {
730 ia32_attr_t *attr = get_ia32_attr(node);
731 attr->out_req = reqs;
735 * Returns the argument register requirement at position pos of an ia32 node.
737 const ia32_register_req_t *get_ia32_in_req(const ir_node *node, int pos) {
738 ia32_attr_t *attr = get_ia32_attr(node);
739 return attr->in_req[pos];
743 * Returns the result register requirement at position pos of an ia32 node.
745 const ia32_register_req_t *get_ia32_out_req(const ir_node *node, int pos) {
746 ia32_attr_t *attr = get_ia32_attr(node);
747 return attr->out_req[pos];
751 * Sets the OUT register requirements at position pos.
753 void set_ia32_req_out(ir_node *node, const ia32_register_req_t *req, int pos) {
754 ia32_attr_t *attr = get_ia32_attr(node);
755 attr->out_req[pos] = req;
759 * Sets the IN register requirements at position pos.
761 void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
762 ia32_attr_t *attr = get_ia32_attr(node);
763 attr->in_req[pos] = req;
767 * Returns the register flag of an ia32 node.
769 arch_irn_flags_t get_ia32_flags(const ir_node *node) {
770 ia32_attr_t *attr = get_ia32_attr(node);
771 return attr->data.flags;
775 * Sets the register flag of an ia32 node.
777 void set_ia32_flags(ir_node *node, arch_irn_flags_t flags) {
778 ia32_attr_t *attr = get_ia32_attr(node);
779 attr->data.flags = flags;
783 * Returns the result register slots of an ia32 node.
785 const arch_register_t **get_ia32_slots(const ir_node *node) {
786 ia32_attr_t *attr = get_ia32_attr(node);
791 * Sets the number of results.
793 void set_ia32_n_res(ir_node *node, int n_res) {
794 ia32_attr_t *attr = get_ia32_attr(node);
795 attr->data.n_res = n_res;
799 * Returns the number of results.
801 int get_ia32_n_res(const ir_node *node) {
802 ia32_attr_t *attr = get_ia32_attr(node);
803 return attr->data.n_res;
807 * Returns the flavour of an ia32 node,
809 ia32_op_flavour_t get_ia32_flavour(const ir_node *node) {
810 ia32_attr_t *attr = get_ia32_attr(node);
811 return attr->data.op_flav;
815 * Sets the flavour of an ia32 node to flavour_Div/Mod/DivMod/Mul/Mulh.
817 void set_ia32_flavour(ir_node *node, ia32_op_flavour_t op_flav) {
818 ia32_attr_t *attr = get_ia32_attr(node);
819 attr->data.op_flav = op_flav;
823 * Returns the projnum code.
825 long get_ia32_pncode(const ir_node *node) {
826 ia32_attr_t *attr = get_ia32_attr(node);
827 return attr->pn_code;
831 * Sets the projnum code
833 void set_ia32_pncode(ir_node *node, long code) {
834 ia32_attr_t *attr = get_ia32_attr(node);
835 attr->pn_code = code;
841 * Returns the name of the original ir node.
843 const char *get_ia32_orig_node(const ir_node *node) {
844 ia32_attr_t *attr = get_ia32_attr(node);
845 return attr->orig_node;
849 * Sets the name of the original ir node.
851 void set_ia32_orig_node(ir_node *node, const char *name) {
852 ia32_attr_t *attr = get_ia32_attr(node);
853 attr->orig_node = name;
858 /******************************************************************************************************
860 * (_) | | | | | | / _| | | (_)
861 * ___ _ __ ___ ___ _ __ _| | __ _| |_| |_ _ __ | |_ _ _ _ __ ___| |_ _ ___ _ __ ___
862 * / __| '_ \ / _ \/ __| |/ _` | | / _` | __| __| '__| | _| | | | '_ \ / __| __| |/ _ \| '_ \ / __|
863 * \__ \ |_) | __/ (__| | (_| | | | (_| | |_| |_| | | | | |_| | | | | (__| |_| | (_) | | | | \__ \
864 * |___/ .__/ \___|\___|_|\__,_|_| \__,_|\__|\__|_| |_| \__,_|_| |_|\___|\__|_|\___/|_| |_| |___/
867 ******************************************************************************************************/
870 * Gets the type of an ia32_Const.
872 unsigned get_ia32_Const_type(const ir_node *node) {
873 ia32_attr_t *attr = get_ia32_attr(node);
875 assert(is_ia32_Cnst(node) && "Need ia32_Const to get type");
877 return attr->data.tp;
881 * Sets the type of an ia32_Const.
883 void set_ia32_Const_type(ir_node *node, int type) {
884 ia32_attr_t *attr = get_ia32_attr(node);
886 assert(is_ia32_Cnst(node) && "Need ia32_Const to set type");
887 assert((type == ia32_Const || type == ia32_SymConst) && "Unsupported ia32_Const type");
889 attr->data.tp = type;
893 * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
895 void set_ia32_Immop_attr(ir_node *node, ir_node *cnst) {
896 ia32_attr_t *na = get_ia32_attr(node);
897 ia32_attr_t *ca = get_ia32_attr(cnst);
899 assert(is_ia32_Cnst(cnst) && "Need ia32_Const to set Immop attr");
904 na->sc = copy_str(ca->sc);
908 na->cnst = set_cnst_from_tv(na->cnst, na->tv);
914 * Copy the attributes from Immop to an Immop
916 void copy_ia32_Immop_attr(ir_node *node, ir_node *src)
918 ia32_attr_t *na = get_ia32_attr(node);
919 ia32_attr_t *ca = get_ia32_attr(src);
921 assert(get_ia32_cnst(src) != NULL);
925 na->sc = copy_str(ca->sc);
929 na->cnst = set_cnst_from_tv(na->cnst, na->tv);
935 * Copy the attributes from a Const to an ia32_Const
937 void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
938 ia32_attr_t *attr = get_ia32_attr(ia32_cnst);
940 assert(is_ia32_Cnst(ia32_cnst) && "Need ia32_Const to set Const attr");
942 switch (get_irn_opcode(cnst)) {
944 attr->data.tp = ia32_Const;
945 attr->tv = get_Const_tarval(cnst);
946 attr->cnst = set_cnst_from_tv(attr->cnst, attr->tv);
949 attr->data.tp = ia32_SymConst;
951 attr->sc = copy_str(get_sc_name(cnst));
952 attr->cnst = attr->sc;
955 assert(0 && "Unknown Const NYI");
958 assert(0 && "Cannot create ia32_Const for this opcode");
963 * Sets the AddrMode(S|D) attribute
965 void set_ia32_AddrMode(ir_node *node, char direction) {
966 ia32_attr_t *attr = get_ia32_attr(node);
970 attr->data.tp = ia32_AddrModeD;
973 attr->data.tp = ia32_AddrModeS;
976 assert(0 && "wrong AM type");
981 * Returns whether or not the node is an AddrModeS node.
983 int is_ia32_AddrModeS(const ir_node *node) {
984 ia32_attr_t *attr = get_ia32_attr(node);
985 return (attr->data.tp == ia32_AddrModeS);
989 * Returns whether or not the node is an AddrModeD node.
991 int is_ia32_AddrModeD(const ir_node *node) {
992 ia32_attr_t *attr = get_ia32_attr(node);
993 return (attr->data.tp == ia32_AddrModeD);
997 * Checks if node is a Load or fLoad.
999 int is_ia32_Ld(const ir_node *node) {
1000 return is_ia32_Load(node) || is_ia32_fLoad(node);
1004 * Checks if node is a Store or fStore.
1006 int is_ia32_St(const ir_node *node) {
1007 return is_ia32_Store(node) || is_ia32_fStore(node);
1011 * Checks if node is a Const or fConst.
1013 int is_ia32_Cnst(const ir_node *node) {
1014 return is_ia32_Const(node) || is_ia32_fConst(node);
1018 * Returns the name of the OUT register at position pos.
1020 const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
1021 ia32_attr_t *attr = get_ia32_attr(node);
1023 assert(is_ia32_irn(node) && "Not an ia32 node.");
1024 assert(pos < attr->data.n_res && "Invalid OUT position.");
1025 assert(attr->slots[pos] && "No register assigned");
1027 return arch_register_get_name(attr->slots[pos]);
1031 * Returns the index of the OUT register at position pos within its register class.
1033 int get_ia32_out_regnr(const ir_node *node, int pos) {
1034 ia32_attr_t *attr = get_ia32_attr(node);
1036 assert(is_ia32_irn(node) && "Not an ia32 node.");
1037 assert(pos < attr->data.n_res && "Invalid OUT position.");
1038 assert(attr->slots[pos] && "No register assigned");
1040 return arch_register_get_index(attr->slots[pos]);
1044 * Returns the OUT register at position pos.
1046 const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
1047 ia32_attr_t *attr = get_ia32_attr(node);
1049 assert(is_ia32_irn(node) && "Not an ia32 node.");
1050 assert(pos < attr->data.n_res && "Invalid OUT position.");
1051 assert(attr->slots[pos] && "No register assigned");
1053 return attr->slots[pos];
1057 * Allocates num register slots for node.
1059 void alloc_ia32_reg_slots(ir_node *node, int num) {
1060 ia32_attr_t *attr = get_ia32_attr(node);
1063 attr->slots = xcalloc(num, sizeof(attr->slots[0]));
1069 attr->data.n_res = num;
1073 * Initializes the nodes attributes.
1075 void init_ia32_attributes(ir_node *node, arch_irn_flags_t flags, const ia32_register_req_t **in_reqs,
1076 const ia32_register_req_t **out_reqs, int n_res)
1078 set_ia32_flags(node, flags);
1079 set_ia32_in_req_all(node, in_reqs);
1080 set_ia32_out_req_all(node, out_reqs);
1081 alloc_ia32_reg_slots(node, n_res);
1084 /***************************************************************************************
1087 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
1088 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
1089 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
1090 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
1092 ***************************************************************************************/
1094 /* default compare operation to compare immediate ops */
1095 int ia32_compare_immop_attr(ia32_attr_t *a, ia32_attr_t *b) {
1096 if (a->data.tp == b->data.tp) {
1097 if (! (a->cnst && b->cnst))
1100 return strcmp(a->cnst, b->cnst);
1106 /* copies the ia32 attributes */
1107 static void ia32_copy_attr(const ir_node *old_node, ir_node *new_node) {
1108 ia32_attr_t *attr_old = get_ia32_attr(old_node);
1109 ia32_attr_t *attr_new = get_ia32_attr(new_node);
1110 int n_res = get_ia32_n_res(old_node);
1112 /* copy the attributes */
1113 memcpy(attr_new, attr_old, sizeof(*attr_new));
1115 /* copy the register slots */
1116 attr_new->slots = NEW_ARR_D(arch_register_t *, get_irg_obstack(get_irn_irg(new_node)), n_res);
1117 memcpy((void *)attr_new->slots, (void *)attr_old->slots, sizeof(attr_new->slots[0]) * n_res);
1120 void ia32_register_copy_attr_func(void) {
1121 unsigned i, f = get_ia32_opcode_first(), l = get_ia32_opcode_last();
1123 for (i = f; i < l; i++) {
1124 ir_op *op = get_irp_opcode(i);
1125 op->ops.copy_attr = ia32_copy_attr;
1129 static void ia32_register_additional_opcodes(int n) {
1130 /* we don't need any additional opcodes */
1133 /* Include the generated constructor functions */
1134 #include "gen_ia32_new_nodes.c.inl"