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
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));
247 /* dump supported am */
248 fprintf(F, "AM support = ");
249 switch (get_ia32_am_support(n)) {
254 fprintf(F, "source only (Load)");
257 fprintf(F, "dest only (Load+Store)");
263 fprintf(F, "unknown (%d)", get_ia32_am_support(n));
268 /* dump am flavour */
269 fprintf(F, "AM flavour =");
270 am_flav = get_ia32_am_flavour(n);
271 if (am_flav == ia32_am_N) {
275 if (am_flav & ia32_O) {
278 if (am_flav & ia32_B) {
281 if (am_flav & ia32_I) {
284 if (am_flav & ia32_S) {
288 fprintf(F, " (%d)\n", am_flav);
291 fprintf(F, "AM offset = ");
292 if (get_ia32_am_offs(n)) {
293 fprintf(F, "%s", get_ia32_am_offs(n));
301 fprintf(F, "AM scale = %d\n", get_ia32_am_scale(n));
304 fprintf(F, "pn_code = %ld\n", get_ia32_pncode(n));
307 fprintf(F, "n_res = %d\n", get_ia32_n_res(n));
310 fprintf(F, "use_frame = %d\n", is_ia32_use_frame(n));
313 fprintf(F, "commutative = %d\n", is_ia32_commutative(n));
316 fprintf(F, "flags =");
317 flags = get_ia32_flags(n);
318 if (flags == arch_irn_flags_none) {
322 if (flags & arch_irn_flags_dont_spill) {
323 fprintf(F, " unspillable");
325 if (flags & arch_irn_flags_rematerializable) {
326 fprintf(F, " remat");
328 if (flags & arch_irn_flags_ignore) {
329 fprintf(F, " ignore");
332 fprintf(F, " (%d)\n", flags);
334 /* dump frame entity */
335 fprintf(F, "frame entity = ");
336 if (get_ia32_frame_ent(n)) {
337 ir_fprintf(F, "%+F", get_ia32_frame_ent(n));
345 /* dump original ir node name */
346 fprintf(F, "orig node = ");
347 if (get_ia32_orig_node(n)) {
348 fprintf(F, "%s", get_ia32_orig_node(n));
356 fprintf(F, "=== IA32 attr end ===\n");
357 /* end of: case dump_node_info_txt */
366 /***************************************************************************************************
368 * | | | | | | / / | | | | | | | |
369 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
370 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
371 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
372 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
375 ***************************************************************************************************/
378 * Returns an ident for the given tarval tv.
380 static ident *get_ident_for_tv(tarval *tv) {
383 assert(tarval_snprintf(buf, sizeof(buf), tv));
384 return new_id_from_str(buf);
388 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
389 * Firm was made by people hating const :-(
391 ia32_attr_t *get_ia32_attr(const ir_node *node) {
392 assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
393 return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
397 * Gets the type of an ia32 node.
399 ia32_op_type_t get_ia32_op_type(const ir_node *node) {
400 ia32_attr_t *attr = get_ia32_attr(node);
401 return attr->data.tp;
405 * Sets the type of an ia32 node.
407 void set_ia32_op_type(ir_node *node, ia32_op_type_t tp) {
408 ia32_attr_t *attr = get_ia32_attr(node);
413 * Gets the immediate op type of an ia32 node.
415 ia32_immop_type_t get_ia32_immop_type(const ir_node *node) {
416 ia32_attr_t *attr = get_ia32_attr(node);
417 return attr->data.imm_tp;
421 * Sets the immediate op type of an ia32 node.
423 void set_ia32_immop_type(ir_node *node, ia32_immop_type_t tp) {
424 ia32_attr_t *attr = get_ia32_attr(node);
425 attr->data.imm_tp = tp;
429 * Gets the supported addrmode of an ia32 node
431 ia32_am_type_t get_ia32_am_support(const ir_node *node) {
432 ia32_attr_t *attr = get_ia32_attr(node);
433 return attr->data.am_support;
437 * Sets the supported addrmode of an ia32 node
439 void set_ia32_am_support(ir_node *node, ia32_am_type_t am_tp) {
440 ia32_attr_t *attr = get_ia32_attr(node);
441 attr->data.am_support = am_tp;
445 * Gets the addrmode flavour of an ia32 node
447 ia32_am_flavour_t get_ia32_am_flavour(const ir_node *node) {
448 ia32_attr_t *attr = get_ia32_attr(node);
449 return attr->data.am_flavour;
453 * Sets the addrmode flavour of an ia32 node
455 void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
456 ia32_attr_t *attr = get_ia32_attr(node);
457 attr->data.am_flavour = am_flavour;
461 * Joins all offsets to one string with adds.
463 char *get_ia32_am_offs(const ir_node *node) {
464 ia32_attr_t *attr = get_ia32_attr(node);
468 if (! attr->am_offs) {
472 size = obstack_object_size(attr->am_offs);
474 res = xmalloc(size + 2);
475 res[0] = attr->data.offs_sign ? '-' : '+';
476 memcpy(&res[1], obstack_base(attr->am_offs), size);
477 res[size + 1] = '\0';
484 * Add an offset for addrmode.
486 static void extend_ia32_am_offs(ir_node *node, char *offset, char op) {
487 ia32_attr_t *attr = get_ia32_attr(node);
489 if (! offset || strlen(offset) < 1)
492 /* offset could already have an explicit sign */
493 /* -> supersede op if necessary */
494 if (offset[0] == '-' || offset[0] == '+') {
495 if (offset[0] == '-') {
496 op = (op == '-') ? '+' : '-';
499 /* skip explicit sign */
503 if (! attr->am_offs) {
504 /* obstack is not initialized */
505 attr->am_offs = xcalloc(1, sizeof(*(attr->am_offs)));
506 obstack_init(attr->am_offs);
508 attr->data.offs_sign = (op == '-') ? 1 : 0;
511 /* If obstack is initialized, connect the new offset with op */
512 obstack_printf(attr->am_offs, "%c", op);
515 obstack_printf(attr->am_offs, "%s", offset);
519 * Add an offset for addrmode.
521 void add_ia32_am_offs(ir_node *node, const char *offset) {
522 extend_ia32_am_offs(node, (char *)offset, '+');
526 * Sub an offset for addrmode.
528 void sub_ia32_am_offs(ir_node *node, const char *offset) {
529 extend_ia32_am_offs(node, (char *)offset, '-');
533 * Returns the symconst ident associated to addrmode.
535 ident *get_ia32_am_sc(const ir_node *node) {
536 ia32_attr_t *attr = get_ia32_attr(node);
541 * Sets the symconst ident associated to addrmode.
543 void set_ia32_am_sc(ir_node *node, ident *sc) {
544 ia32_attr_t *attr = get_ia32_attr(node);
549 * Sets the sign bit for address mode symconst.
551 void set_ia32_am_sc_sign(ir_node *node) {
552 ia32_attr_t *attr = get_ia32_attr(node);
553 attr->data.am_sc_sign = 1;
557 * Clears the sign bit for address mode symconst.
559 void clear_ia32_am_sc_sign(ir_node *node) {
560 ia32_attr_t *attr = get_ia32_attr(node);
561 attr->data.am_sc_sign = 0;
565 * Returns the sign bit for address mode symconst.
567 int is_ia32_am_sc_sign(const ir_node *node) {
568 ia32_attr_t *attr = get_ia32_attr(node);
569 return attr->data.am_sc_sign;
573 * Gets the addr mode const.
575 int get_ia32_am_scale(const ir_node *node) {
576 ia32_attr_t *attr = get_ia32_attr(node);
577 return attr->data.am_scale;
581 * Sets the index register scale for addrmode.
583 void set_ia32_am_scale(ir_node *node, int scale) {
584 ia32_attr_t *attr = get_ia32_attr(node);
585 attr->data.am_scale = scale;
589 * Return the tarval of an immediate operation or NULL in case of SymConst
591 tarval *get_ia32_Immop_tarval(const ir_node *node) {
592 ia32_attr_t *attr = get_ia32_attr(node);
593 return attr->cnst_val.tv;
597 * Sets the attributes of an immediate operation to the specified tarval
599 void set_ia32_Immop_tarval(ir_node *node, tarval *tv) {
600 ia32_attr_t *attr = get_ia32_attr(node);
601 attr->cnst_val.tv = tv;
602 attr->cnst = get_ident_for_tv(tv);
606 * Return the sc attribute.
608 ident *get_ia32_sc(const ir_node *node) {
609 ia32_attr_t *attr = get_ia32_attr(node);
610 return attr->cnst_val.sc;
614 * Sets the sc attribute.
616 void set_ia32_sc(ir_node *node, ident *sc) {
617 ia32_attr_t *attr = get_ia32_attr(node);
618 attr->cnst_val.sc = sc;
619 attr->cnst = attr->cnst_val.sc;
623 * Gets the string representation of the internal const (tv or symconst)
625 const char *get_ia32_cnst(const ir_node *node) {
626 ia32_attr_t *attr = get_ia32_attr(node);
629 return get_id_str(attr->cnst);
633 * Sets the string representation of the internal const.
635 void set_ia32_cnst(ir_node *node, char *cnst) {
636 ia32_attr_t *attr = get_ia32_attr(node);
637 attr->cnst = new_id_from_str(cnst);
641 * Gets the ident representation of the internal const (tv or symconst)
643 ident *get_ia32_id_cnst(const ir_node *node) {
644 ia32_attr_t *attr = get_ia32_attr(node);
649 * Sets the ident representation of the internal const.
651 void set_ia32_id_cnst(ir_node *node, ident *cnst) {
652 ia32_attr_t *attr = get_ia32_attr(node);
657 * Sets the uses_frame flag.
659 void set_ia32_use_frame(ir_node *node) {
660 ia32_attr_t *attr = get_ia32_attr(node);
661 attr->data.use_frame = 1;
665 * Clears the uses_frame flag.
667 void clear_ia32_use_frame(ir_node *node) {
668 ia32_attr_t *attr = get_ia32_attr(node);
669 attr->data.use_frame = 0;
673 * Gets the uses_frame flag.
675 int is_ia32_use_frame(const ir_node *node) {
676 ia32_attr_t *attr = get_ia32_attr(node);
677 return attr->data.use_frame;
681 * Sets node to commutative.
683 void set_ia32_commutative(ir_node *node) {
684 ia32_attr_t *attr = get_ia32_attr(node);
685 attr->data.is_commutative = 1;
689 * Sets node to non-commutative.
691 void clear_ia32_commutative(ir_node *node) {
692 ia32_attr_t *attr = get_ia32_attr(node);
693 attr->data.is_commutative = 0;
697 * Checks if node is commutative.
699 int is_ia32_commutative(const ir_node *node) {
700 ia32_attr_t *attr = get_ia32_attr(node);
701 return attr->data.is_commutative;
707 void set_ia32_emit_cl(ir_node *node) {
708 ia32_attr_t *attr = get_ia32_attr(node);
709 attr->data.emit_cl = 1;
713 * Clears node emit_cl.
715 void clear_ia32_emit_cl(ir_node *node) {
716 ia32_attr_t *attr = get_ia32_attr(node);
717 attr->data.emit_cl = 0;
721 * Checks if node is commutative.
723 int is_ia32_emit_cl(const ir_node *node) {
724 ia32_attr_t *attr = get_ia32_attr(node);
725 return attr->data.emit_cl;
729 * Gets the mode of the stored/loaded value (only set for Store/Load)
731 ir_mode *get_ia32_ls_mode(const ir_node *node) {
732 ia32_attr_t *attr = get_ia32_attr(node);
733 return attr->ls_mode;
737 * Sets the mode of the stored/loaded value (only set for Store/Load)
739 void set_ia32_ls_mode(ir_node *node, ir_mode *mode) {
740 ia32_attr_t *attr = get_ia32_attr(node);
741 attr->ls_mode = mode;
745 * Gets the mode of the result.
747 ir_mode *get_ia32_res_mode(const ir_node *node) {
748 ia32_attr_t *attr = get_ia32_attr(node);
749 return attr->res_mode;
753 * Sets the mode of the result.
755 void set_ia32_res_mode(ir_node *node, ir_mode *mode) {
756 ia32_attr_t *attr = get_ia32_attr(node);
757 attr->res_mode = mode;
761 * Gets the source mode of conversion.
763 ir_mode *get_ia32_src_mode(const ir_node *node) {
764 ia32_attr_t *attr = get_ia32_attr(node);
765 return attr->src_mode;
769 * Sets the source mode of conversion.
771 void set_ia32_src_mode(ir_node *node, ir_mode *mode) {
772 ia32_attr_t *attr = get_ia32_attr(node);
773 attr->src_mode = mode;
777 * Gets the target mode of conversion.
779 ir_mode *get_ia32_tgt_mode(const ir_node *node) {
780 ia32_attr_t *attr = get_ia32_attr(node);
781 return attr->tgt_mode;
785 * Sets the target mode of conversion.
787 void set_ia32_tgt_mode(ir_node *node, ir_mode *mode) {
788 ia32_attr_t *attr = get_ia32_attr(node);
789 attr->tgt_mode = mode;
793 * Gets the frame entity assigned to this node;
795 entity *get_ia32_frame_ent(const ir_node *node) {
796 ia32_attr_t *attr = get_ia32_attr(node);
797 return attr->frame_ent;
801 * Sets the frame entity for this node;
803 void set_ia32_frame_ent(ir_node *node, entity *ent) {
804 ia32_attr_t *attr = get_ia32_attr(node);
805 attr->frame_ent = ent;
809 * Returns the argument register requirements of an ia32 node.
811 const ia32_register_req_t **get_ia32_in_req_all(const ir_node *node) {
812 ia32_attr_t *attr = get_ia32_attr(node);
817 * Sets the argument register requirements of an ia32 node.
819 void set_ia32_in_req_all(ir_node *node, const ia32_register_req_t **reqs) {
820 ia32_attr_t *attr = get_ia32_attr(node);
825 * Returns the result register requirements of an ia32 node.
827 const ia32_register_req_t **get_ia32_out_req_all(const ir_node *node) {
828 ia32_attr_t *attr = get_ia32_attr(node);
829 return attr->out_req;
833 * Sets the result register requirements of an ia32 node.
835 void set_ia32_out_req_all(ir_node *node, const ia32_register_req_t **reqs) {
836 ia32_attr_t *attr = get_ia32_attr(node);
837 attr->out_req = reqs;
841 * Returns the argument register requirement at position pos of an ia32 node.
843 const ia32_register_req_t *get_ia32_in_req(const ir_node *node, int pos) {
844 ia32_attr_t *attr = get_ia32_attr(node);
845 return attr->in_req[pos];
849 * Returns the result register requirement at position pos of an ia32 node.
851 const ia32_register_req_t *get_ia32_out_req(const ir_node *node, int pos) {
852 ia32_attr_t *attr = get_ia32_attr(node);
853 return attr->out_req[pos];
857 * Sets the OUT register requirements at position pos.
859 void set_ia32_req_out(ir_node *node, const ia32_register_req_t *req, int pos) {
860 ia32_attr_t *attr = get_ia32_attr(node);
861 attr->out_req[pos] = req;
865 * Sets the IN register requirements at position pos.
867 void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
868 ia32_attr_t *attr = get_ia32_attr(node);
869 attr->in_req[pos] = req;
873 * Returns the register flag of an ia32 node.
875 arch_irn_flags_t get_ia32_flags(const ir_node *node) {
876 ia32_attr_t *attr = get_ia32_attr(node);
877 return attr->data.flags;
881 * Sets the register flag of an ia32 node.
883 void set_ia32_flags(ir_node *node, arch_irn_flags_t flags) {
884 ia32_attr_t *attr = get_ia32_attr(node);
885 attr->data.flags = flags;
889 * Returns the result register slots of an ia32 node.
891 const arch_register_t **get_ia32_slots(const ir_node *node) {
892 ia32_attr_t *attr = get_ia32_attr(node);
897 * Sets the number of results.
899 void set_ia32_n_res(ir_node *node, int n_res) {
900 ia32_attr_t *attr = get_ia32_attr(node);
901 attr->data.n_res = n_res;
905 * Returns the number of results.
907 int get_ia32_n_res(const ir_node *node) {
908 ia32_attr_t *attr = get_ia32_attr(node);
909 return attr->data.n_res;
913 * Returns the flavour of an ia32 node,
915 ia32_op_flavour_t get_ia32_flavour(const ir_node *node) {
916 ia32_attr_t *attr = get_ia32_attr(node);
917 return attr->data.op_flav;
921 * Sets the flavour of an ia32 node to flavour_Div/Mod/DivMod/Mul/Mulh.
923 void set_ia32_flavour(ir_node *node, ia32_op_flavour_t op_flav) {
924 ia32_attr_t *attr = get_ia32_attr(node);
925 attr->data.op_flav = op_flav;
929 * Returns the projnum code.
931 long get_ia32_pncode(const ir_node *node) {
932 ia32_attr_t *attr = get_ia32_attr(node);
933 return attr->pn_code;
937 * Sets the projnum code
939 void set_ia32_pncode(ir_node *node, long code) {
940 ia32_attr_t *attr = get_ia32_attr(node);
941 attr->pn_code = code;
947 * Returns the name of the original ir node.
949 const char *get_ia32_orig_node(const ir_node *node) {
950 ia32_attr_t *attr = get_ia32_attr(node);
951 return attr->orig_node;
955 * Sets the name of the original ir node.
957 void set_ia32_orig_node(ir_node *node, const char *name) {
958 ia32_attr_t *attr = get_ia32_attr(node);
959 attr->orig_node = name;
964 /******************************************************************************************************
966 * (_) | | | | | | / _| | | (_)
967 * ___ _ __ ___ ___ _ __ _| | __ _| |_| |_ _ __ | |_ _ _ _ __ ___| |_ _ ___ _ __ ___
968 * / __| '_ \ / _ \/ __| |/ _` | | / _` | __| __| '__| | _| | | | '_ \ / __| __| |/ _ \| '_ \ / __|
969 * \__ \ |_) | __/ (__| | (_| | | | (_| | |_| |_| | | | | |_| | | | | (__| |_| | (_) | | | | \__ \
970 * |___/ .__/ \___|\___|_|\__,_|_| \__,_|\__|\__|_| |_| \__,_|_| |_|\___|\__|_|\___/|_| |_| |___/
973 ******************************************************************************************************/
976 * Gets the type of an ia32_Const.
978 unsigned get_ia32_Const_type(const ir_node *node) {
979 ia32_attr_t *attr = get_ia32_attr(node);
981 assert(is_ia32_Cnst(node) && "Need ia32_Const to get type");
983 return attr->data.tp;
987 * Sets the type of an ia32_Const.
989 void set_ia32_Const_type(ir_node *node, int type) {
990 ia32_attr_t *attr = get_ia32_attr(node);
992 assert(is_ia32_Cnst(node) && "Need ia32_Const to set type");
993 assert((type == ia32_Const || type == ia32_SymConst) && "Unsupported ia32_Const type");
995 attr->data.tp = type;
999 * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
1001 void set_ia32_Immop_attr(ir_node *node, ir_node *cnst) {
1002 ia32_attr_t *na = get_ia32_attr(node);
1003 ia32_attr_t *ca = get_ia32_attr(cnst);
1005 switch(get_ia32_Const_type(cnst)) {
1007 na->cnst_val.tv = ca->cnst_val.tv;
1008 na->cnst = ca->cnst;
1009 set_ia32_immop_type(node, ia32_ImmConst);
1012 na->cnst_val.sc = ca->cnst_val.sc;
1013 na->cnst = na->cnst_val.sc;
1014 set_ia32_immop_type(node, ia32_ImmSymConst);
1017 assert(0 && "Need ia32_Const to set Immop attr");
1022 * Copy the attributes from Immop to an Immop
1024 void copy_ia32_Immop_attr(ir_node *dst, ir_node *src) {
1025 ia32_attr_t *da = get_ia32_attr(dst);
1026 ia32_attr_t *sa = get_ia32_attr(src);
1028 switch(get_ia32_immop_type(src)) {
1030 da->cnst_val.tv = sa->cnst_val.tv;
1031 da->cnst = sa->cnst;
1032 set_ia32_immop_type(dst, ia32_ImmConst);
1034 case ia32_ImmSymConst:
1035 da->cnst_val.sc = sa->cnst_val.sc;
1036 da->cnst = sa->cnst;
1037 set_ia32_immop_type(dst, ia32_ImmSymConst);
1040 assert(0 && "Need Immop to copy Immop attr");
1045 * Copy the attributes from a Firm Const to an ia32_Const
1047 void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
1048 ia32_attr_t *attr = get_ia32_attr(ia32_cnst);
1050 assert(is_ia32_Cnst(ia32_cnst) && "Need ia32_Const to set Const attr");
1052 switch (get_irn_opcode(cnst)) {
1054 attr->data.tp = ia32_Const;
1055 attr->cnst_val.tv = get_Const_tarval(cnst);
1056 attr->cnst = get_ident_for_tv(attr->cnst_val.tv);
1059 attr->data.tp = ia32_SymConst;
1060 attr->cnst_val.sc = get_sc_ident(cnst);
1061 attr->cnst = attr->cnst_val.sc;
1064 assert(0 && "Unknown Const NYI");
1067 assert(0 && "Cannot create ia32_Const for this opcode");
1072 * Sets the AddrMode(S|D) attribute
1074 void set_ia32_AddrMode(ir_node *node, char direction) {
1075 ia32_attr_t *attr = get_ia32_attr(node);
1077 switch (direction) {
1079 attr->data.tp = ia32_AddrModeD;
1082 attr->data.tp = ia32_AddrModeS;
1085 assert(0 && "wrong AM type");
1090 * Returns whether or not the node is an immediate operation with Const.
1092 int is_ia32_ImmConst(const ir_node *node) {
1093 ia32_attr_t *attr = get_ia32_attr(node);
1094 return (attr->data.imm_tp == ia32_ImmConst);
1098 * Returns whether or not the node is an immediate operation with SymConst.
1100 int is_ia32_ImmSymConst(const ir_node *node) {
1101 ia32_attr_t *attr = get_ia32_attr(node);
1102 return (attr->data.imm_tp == ia32_ImmSymConst);
1106 * Returns whether or not the node is an AddrModeS node.
1108 int is_ia32_AddrModeS(const ir_node *node) {
1109 ia32_attr_t *attr = get_ia32_attr(node);
1110 return (attr->data.tp == ia32_AddrModeS);
1114 * Returns whether or not the node is an AddrModeD node.
1116 int is_ia32_AddrModeD(const ir_node *node) {
1117 ia32_attr_t *attr = get_ia32_attr(node);
1118 return (attr->data.tp == ia32_AddrModeD);
1122 * Checks if node is a Load or xLoad/vfLoad.
1124 int is_ia32_Ld(const ir_node *node) {
1125 return is_ia32_Load(node) || is_ia32_xLoad(node) || is_ia32_vfld(node) || is_ia32_fld(node);
1129 * Checks if node is a Store or xStore/vfStore.
1131 int is_ia32_St(const ir_node *node) {
1132 return is_ia32_Store(node) || is_ia32_xStore(node) || is_ia32_vfst(node) || is_ia32_fst(node) || is_ia32_fstp(node);
1136 * Checks if node is a Const or xConst/vfConst.
1138 int is_ia32_Cnst(const ir_node *node) {
1139 return is_ia32_Const(node) || is_ia32_xConst(node) || is_ia32_vfConst(node);
1143 * Returns the name of the OUT register at position pos.
1145 const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
1146 ia32_attr_t *attr = get_ia32_attr(node);
1148 assert(is_ia32_irn(node) && "Not an ia32 node.");
1149 assert(pos < attr->data.n_res && "Invalid OUT position.");
1150 assert(attr->slots[pos] && "No register assigned");
1152 return arch_register_get_name(attr->slots[pos]);
1156 * Returns the index of the OUT register at position pos within its register class.
1158 int get_ia32_out_regnr(const ir_node *node, int pos) {
1159 ia32_attr_t *attr = get_ia32_attr(node);
1161 assert(is_ia32_irn(node) && "Not an ia32 node.");
1162 assert(pos < attr->data.n_res && "Invalid OUT position.");
1163 assert(attr->slots[pos] && "No register assigned");
1165 return arch_register_get_index(attr->slots[pos]);
1169 * Returns the OUT register at position pos.
1171 const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
1172 ia32_attr_t *attr = get_ia32_attr(node);
1174 assert(is_ia32_irn(node) && "Not an ia32 node.");
1175 assert(pos < attr->data.n_res && "Invalid OUT position.");
1176 assert(attr->slots[pos] && "No register assigned");
1178 return attr->slots[pos];
1182 * Initializes the nodes attributes.
1184 void init_ia32_attributes(ir_node *node, arch_irn_flags_t flags, const ia32_register_req_t **in_reqs,
1185 const ia32_register_req_t **out_reqs, int n_res)
1187 ia32_attr_t *attr = get_ia32_attr(node);
1188 set_ia32_flags(node, flags);
1189 set_ia32_in_req_all(node, in_reqs);
1190 set_ia32_out_req_all(node, out_reqs);
1192 attr->data.n_res = n_res;
1193 memset(attr->slots, 0, n_res * sizeof(attr->slots[0]));
1196 /***************************************************************************************
1199 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
1200 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
1201 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
1202 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
1204 ***************************************************************************************/
1206 /* default compare operation to compare immediate ops */
1207 int ia32_compare_immop_attr(ia32_attr_t *a, ia32_attr_t *b) {
1210 if (a->data.tp == b->data.tp) {
1211 equ = (a->cnst == b->cnst);
1212 equ = equ ? (a->data.use_frame == b->data.use_frame) : 0;
1214 if (equ && a->data.use_frame && b->data.use_frame)
1215 equ = (a->frame_ent == b->frame_ent);
1221 /* compare converts */
1222 int ia32_compare_conv_attr(ia32_attr_t *a, ia32_attr_t *b) {
1223 int equ = ! ia32_compare_immop_attr(a, b);
1225 equ = equ ? (a->src_mode == b->src_mode) && (a->tgt_mode == b->tgt_mode) : equ;
1230 /* Include the generated constructor functions */
1231 #include "gen_ia32_new_nodes.c.inl"