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, ...);
48 * Returns the ident of a SymConst.
49 * @param symc The SymConst
50 * @return The ident of the SymConst
52 static ident *get_sc_ident(ir_node *symc) {
53 assert(get_irn_opcode(symc) == iro_SymConst && "need symconst to get ident");
55 switch (get_SymConst_kind(symc)) {
56 case symconst_addr_name:
57 return get_SymConst_name(symc);
59 case symconst_addr_ent:
60 return get_entity_ld_ident(get_SymConst_entity(symc));
63 assert(0 && "Unsupported SymConst");
71 /***********************************************************************************
74 * __| |_ _ _ __ ___ _ __ ___ _ __ _ _ __ | |_ ___ _ __| |_ __ _ ___ ___
75 * / _` | | | | '_ ` _ \| '_ \ / _ \ '__| | | '_ \| __/ _ \ '__| _/ _` |/ __/ _ \
76 * | (_| | |_| | | | | | | |_) | __/ | | | | | | || __/ | | || (_| | (_| __/
77 * \__,_|\__,_|_| |_| |_| .__/ \___|_| |_|_| |_|\__\___|_| |_| \__,_|\___\___|
80 ***********************************************************************************/
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 (is_ia32_ImmConst(n) || is_ia32_ImmSymConst(n)) {
188 char *pref = is_ia32_ImmSymConst(n) ? "SymC" : "";
190 fprintf(F, "[%s%s]", pref, get_ia32_cnst(n));
193 if (! is_ia32_Lea(n)) {
194 if (is_ia32_AddrModeS(n)) {
195 fprintf(F, "[AM S] ");
197 else if (is_ia32_AddrModeD(n)) {
198 fprintf(F, "[AM D] ");
204 case dump_node_info_txt:
205 n_res = get_ia32_n_res(n);
206 fprintf(F, "=== IA32 attr begin ===\n");
208 /* dump IN requirements */
209 if (get_irn_arity(n) > 0) {
210 reqs = get_ia32_in_req_all(n);
211 dump_reg_req(F, n, reqs, 0);
214 /* dump OUT requirements */
216 reqs = get_ia32_out_req_all(n);
217 dump_reg_req(F, n, reqs, 1);
220 /* dump assigned registers */
221 slots = get_ia32_slots(n);
222 if (slots && n_res > 0) {
223 for (i = 0; i < n_res; i++) {
224 fprintf(F, "reg #%d = %s\n", i, slots[i] ? slots[i]->name : "n/a");
231 switch (get_ia32_op_type(n)) {
233 fprintf(F, "Normal");
239 fprintf(F, "SymConst");
242 fprintf(F, "AM Dest (Load+Store)");
245 fprintf(F, "AM Source (Load)");
248 fprintf(F, "unknown (%d)", get_ia32_op_type(n));
254 /* dump supported am */
255 fprintf(F, "AM support = ");
256 switch (get_ia32_am_support(n)) {
261 fprintf(F, "source only (Load)");
264 fprintf(F, "dest only (Load+Store)");
270 fprintf(F, "unknown (%d)", get_ia32_am_support(n));
275 /* dump am flavour */
276 fprintf(F, "AM flavour =");
277 am_flav = get_ia32_am_flavour(n);
278 if (am_flav == ia32_am_N) {
282 if (am_flav & ia32_O) {
285 if (am_flav & ia32_B) {
288 if (am_flav & ia32_I) {
291 if (am_flav & ia32_S) {
295 fprintf(F, " (%d)\n", am_flav);
298 fprintf(F, "AM offset = ");
299 if (get_ia32_am_offs(n)) {
300 fprintf(F, "%s", get_ia32_am_offs(n));
308 fprintf(F, "AM scale = %d\n", get_ia32_am_scale(n));
311 fprintf(F, "pn_code = %ld\n", get_ia32_pncode(n));
314 fprintf(F, "n_res = %d\n", get_ia32_n_res(n));
317 fprintf(F, "use_frame = %d\n", is_ia32_use_frame(n));
320 fprintf(F, "commutative = %d\n", is_ia32_commutative(n));
323 fprintf(F, "flags =");
324 flags = get_ia32_flags(n);
325 if (flags == arch_irn_flags_none) {
329 if (flags & arch_irn_flags_dont_spill) {
330 fprintf(F, " unspillable");
332 if (flags & arch_irn_flags_rematerializable) {
333 fprintf(F, " remat");
335 if (flags & arch_irn_flags_ignore) {
336 fprintf(F, " ignore");
339 fprintf(F, " (%d)\n", flags);
341 /* dump frame entity */
342 fprintf(F, "frame entity = ");
343 if (get_ia32_frame_ent(n)) {
344 ir_fprintf(F, "%+F", get_ia32_frame_ent(n));
352 /* dump original ir node name */
353 fprintf(F, "orig node = ");
354 if (get_ia32_orig_node(n)) {
355 fprintf(F, "%s", get_ia32_orig_node(n));
363 fprintf(F, "=== IA32 attr end ===\n");
364 /* end of: case dump_node_info_txt */
373 /***************************************************************************************************
375 * | | | | | | / / | | | | | | | |
376 * __ _| |_| |_ _ __ ___ ___| |_ / /_ _ ___| |_ _ __ ___ ___| |_| |__ ___ __| |___
377 * / _` | __| __| '__| / __|/ _ \ __| / / _` |/ _ \ __| | '_ ` _ \ / _ \ __| '_ \ / _ \ / _` / __|
378 * | (_| | |_| |_| | \__ \ __/ |_ / / (_| | __/ |_ | | | | | | __/ |_| | | | (_) | (_| \__ \
379 * \__,_|\__|\__|_| |___/\___|\__/_/ \__, |\___|\__| |_| |_| |_|\___|\__|_| |_|\___/ \__,_|___/
382 ***************************************************************************************************/
385 * Returns an ident for the given tarval tv.
387 static ident *get_ident_for_tv(tarval *tv) {
390 assert(tarval_snprintf(buf, sizeof(buf), tv));
391 return new_id_from_str(buf);
395 * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
396 * Firm was made by people hating const :-(
398 ia32_attr_t *get_ia32_attr(const ir_node *node) {
399 assert(is_ia32_irn(node) && "need ia32 node to get ia32 attributes");
400 return (ia32_attr_t *)get_irn_generic_attr((ir_node *)node);
404 * Gets the type of an ia32 node.
406 ia32_op_type_t get_ia32_op_type(const ir_node *node) {
407 ia32_attr_t *attr = get_ia32_attr(node);
408 return attr->data.tp;
412 * Sets the type of an ia32 node.
414 void set_ia32_op_type(ir_node *node, ia32_op_type_t tp) {
415 ia32_attr_t *attr = get_ia32_attr(node);
420 * Gets the immediate op type of an ia32 node.
422 ia32_immop_type_t get_ia32_immop_type(const ir_node *node) {
423 ia32_attr_t *attr = get_ia32_attr(node);
424 return attr->data.imm_tp;
428 * Sets the immediate op type of an ia32 node.
430 void set_ia32_immop_type(ir_node *node, ia32_immop_type_t tp) {
431 ia32_attr_t *attr = get_ia32_attr(node);
432 attr->data.imm_tp = tp;
436 * Gets the supported addrmode of an ia32 node
438 ia32_am_type_t get_ia32_am_support(const ir_node *node) {
439 ia32_attr_t *attr = get_ia32_attr(node);
440 return attr->data.am_support;
444 * Sets the supported addrmode of an ia32 node
446 void set_ia32_am_support(ir_node *node, ia32_am_type_t am_tp) {
447 ia32_attr_t *attr = get_ia32_attr(node);
448 attr->data.am_support = am_tp;
452 * Gets the addrmode flavour of an ia32 node
454 ia32_am_flavour_t get_ia32_am_flavour(const ir_node *node) {
455 ia32_attr_t *attr = get_ia32_attr(node);
456 return attr->data.am_flavour;
460 * Sets the addrmode flavour of an ia32 node
462 void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
463 ia32_attr_t *attr = get_ia32_attr(node);
464 attr->data.am_flavour = am_flavour;
468 * Joins all offsets to one string with adds.
470 char *get_ia32_am_offs(const ir_node *node) {
471 ia32_attr_t *attr = get_ia32_attr(node);
475 if (! attr->am_offs) {
479 size = obstack_object_size(attr->am_offs);
481 res = xmalloc(size + 2);
482 res[0] = attr->data.offs_sign ? '-' : '+';
483 memcpy(&res[1], obstack_base(attr->am_offs), size);
484 res[size + 1] = '\0';
490 * Add an offset for addrmode.
492 static void extend_ia32_am_offs(ir_node *node, char *offset, char op) {
493 ia32_attr_t *attr = get_ia32_attr(node);
495 if (! offset || strlen(offset) < 1)
498 /* offset could already have an explicit sign */
499 /* -> supersede op if necessary */
500 if (offset[0] == '-' || offset[0] == '+') {
501 if (offset[0] == '-') {
502 op = (op == '-') ? '+' : '-';
505 /* skip explicit sign */
509 if (! attr->am_offs) {
510 /* obstack is not initialized */
511 attr->am_offs = xcalloc(1, sizeof(*(attr->am_offs)));
512 obstack_init(attr->am_offs);
514 attr->data.offs_sign = (op == '-') ? 1 : 0;
517 /* If obstack is initialized, connect the new offset with op */
518 obstack_printf(attr->am_offs, "%c", op);
521 obstack_printf(attr->am_offs, "%s", offset);
525 * Add an offset for addrmode.
527 void add_ia32_am_offs(ir_node *node, const char *offset) {
528 extend_ia32_am_offs(node, (char *)offset, '+');
532 * Sub an offset for addrmode.
534 void sub_ia32_am_offs(ir_node *node, const char *offset) {
535 extend_ia32_am_offs(node, (char *)offset, '-');
539 * Gets the addr mode const.
541 int get_ia32_am_scale(const ir_node *node) {
542 ia32_attr_t *attr = get_ia32_attr(node);
543 return attr->data.am_scale;
547 * Sets the index register scale for addrmode.
549 void set_ia32_am_scale(ir_node *node, int scale) {
550 ia32_attr_t *attr = get_ia32_attr(node);
551 attr->data.am_scale = scale;
555 * Return the tarval of an immediate operation or NULL in case of SymConst
557 tarval *get_ia32_Immop_tarval(const ir_node *node) {
558 ia32_attr_t *attr = get_ia32_attr(node);
559 return attr->cnst_val.tv;
563 * Sets the attributes of an immediate operation to the specified tarval
565 void set_ia32_Immop_tarval(ir_node *node, tarval *tv) {
566 ia32_attr_t *attr = get_ia32_attr(node);
567 attr->cnst_val.tv = tv;
568 attr->cnst = get_ident_for_tv(tv);
572 * Return the sc attribute.
574 ident *get_ia32_sc(const ir_node *node) {
575 ia32_attr_t *attr = get_ia32_attr(node);
576 return attr->cnst_val.sc;
580 * Sets the sc attribute.
582 void set_ia32_sc(ir_node *node, ident *sc) {
583 ia32_attr_t *attr = get_ia32_attr(node);
584 attr->cnst_val.sc = sc;
585 attr->cnst = attr->cnst_val.sc;
589 * Gets the string representation of the internal const (tv or symconst)
591 const char *get_ia32_cnst(const ir_node *node) {
592 ia32_attr_t *attr = get_ia32_attr(node);
593 return get_id_str(attr->cnst);
597 * Sets the string representation of the internal const.
599 void set_ia32_cnst(ir_node *node, char *cnst) {
600 ia32_attr_t *attr = get_ia32_attr(node);
601 attr->cnst = new_id_from_str(cnst);
605 * Gets the ident representation of the internal const (tv or symconst)
607 ident *get_ia32_id_cnst(const ir_node *node) {
608 ia32_attr_t *attr = get_ia32_attr(node);
613 * Sets the ident representation of the internal const.
615 void set_ia32_id_cnst(ir_node *node, ident *cnst) {
616 ia32_attr_t *attr = get_ia32_attr(node);
621 * Sets the uses_frame flag.
623 void set_ia32_use_frame(ir_node *node) {
624 ia32_attr_t *attr = get_ia32_attr(node);
625 attr->data.use_frame = 1;
629 * Clears the uses_frame flag.
631 void clear_ia32_use_frame(ir_node *node) {
632 ia32_attr_t *attr = get_ia32_attr(node);
633 attr->data.use_frame = 0;
637 * Gets the uses_frame flag.
639 int is_ia32_use_frame(const ir_node *node) {
640 ia32_attr_t *attr = get_ia32_attr(node);
641 return attr->data.use_frame;
645 * Sets node to commutative.
647 void set_ia32_commutative(ir_node *node) {
648 ia32_attr_t *attr = get_ia32_attr(node);
649 attr->data.is_commutative = 1;
653 * Sets node to non-commutative.
655 void clear_ia32_commutative(ir_node *node) {
656 ia32_attr_t *attr = get_ia32_attr(node);
657 attr->data.is_commutative = 0;
661 * Checks if node is commutative.
663 int is_ia32_commutative(const ir_node *node) {
664 ia32_attr_t *attr = get_ia32_attr(node);
665 return attr->data.is_commutative;
669 * Gets the mode of the stored/loaded value (only set for Store/Load)
671 ir_mode *get_ia32_ls_mode(const ir_node *node) {
672 ia32_attr_t *attr = get_ia32_attr(node);
673 return attr->ls_mode;
677 * Sets the mode of the stored/loaded value (only set for Store/Load)
679 void set_ia32_ls_mode(ir_node *node, ir_mode *mode) {
680 ia32_attr_t *attr = get_ia32_attr(node);
681 attr->ls_mode = mode;
685 * Gets the mode of the result.
687 ir_mode *get_ia32_res_mode(const ir_node *node) {
688 ia32_attr_t *attr = get_ia32_attr(node);
689 return attr->res_mode;
693 * Sets the mode of the result.
695 void set_ia32_res_mode(ir_node *node, ir_mode *mode) {
696 ia32_attr_t *attr = get_ia32_attr(node);
697 attr->res_mode = mode;
701 * Gets the frame entity assigned to this node;
703 entity *get_ia32_frame_ent(const ir_node *node) {
704 ia32_attr_t *attr = get_ia32_attr(node);
705 return attr->frame_ent;
709 * Sets the frame entity for this node;
711 void set_ia32_frame_ent(ir_node *node, entity *ent) {
712 ia32_attr_t *attr = get_ia32_attr(node);
713 attr->frame_ent = ent;
717 * Returns the argument register requirements of an ia32 node.
719 const ia32_register_req_t **get_ia32_in_req_all(const ir_node *node) {
720 ia32_attr_t *attr = get_ia32_attr(node);
725 * Sets the argument register requirements of an ia32 node.
727 void set_ia32_in_req_all(ir_node *node, const ia32_register_req_t **reqs) {
728 ia32_attr_t *attr = get_ia32_attr(node);
733 * Returns the result register requirements of an ia32 node.
735 const ia32_register_req_t **get_ia32_out_req_all(const ir_node *node) {
736 ia32_attr_t *attr = get_ia32_attr(node);
737 return attr->out_req;
741 * Sets the result register requirements of an ia32 node.
743 void set_ia32_out_req_all(ir_node *node, const ia32_register_req_t **reqs) {
744 ia32_attr_t *attr = get_ia32_attr(node);
745 attr->out_req = reqs;
749 * Returns the argument register requirement at position pos of an ia32 node.
751 const ia32_register_req_t *get_ia32_in_req(const ir_node *node, int pos) {
752 ia32_attr_t *attr = get_ia32_attr(node);
753 return attr->in_req[pos];
757 * Returns the result register requirement at position pos of an ia32 node.
759 const ia32_register_req_t *get_ia32_out_req(const ir_node *node, int pos) {
760 ia32_attr_t *attr = get_ia32_attr(node);
761 return attr->out_req[pos];
765 * Sets the OUT register requirements at position pos.
767 void set_ia32_req_out(ir_node *node, const ia32_register_req_t *req, int pos) {
768 ia32_attr_t *attr = get_ia32_attr(node);
769 attr->out_req[pos] = req;
773 * Sets the IN register requirements at position pos.
775 void set_ia32_req_in(ir_node *node, const ia32_register_req_t *req, int pos) {
776 ia32_attr_t *attr = get_ia32_attr(node);
777 attr->in_req[pos] = req;
781 * Returns the register flag of an ia32 node.
783 arch_irn_flags_t get_ia32_flags(const ir_node *node) {
784 ia32_attr_t *attr = get_ia32_attr(node);
785 return attr->data.flags;
789 * Sets the register flag of an ia32 node.
791 void set_ia32_flags(ir_node *node, arch_irn_flags_t flags) {
792 ia32_attr_t *attr = get_ia32_attr(node);
793 attr->data.flags = flags;
797 * Returns the result register slots of an ia32 node.
799 const arch_register_t **get_ia32_slots(const ir_node *node) {
800 ia32_attr_t *attr = get_ia32_attr(node);
805 * Sets the number of results.
807 void set_ia32_n_res(ir_node *node, int n_res) {
808 ia32_attr_t *attr = get_ia32_attr(node);
809 attr->data.n_res = n_res;
813 * Returns the number of results.
815 int get_ia32_n_res(const ir_node *node) {
816 ia32_attr_t *attr = get_ia32_attr(node);
817 return attr->data.n_res;
821 * Returns the flavour of an ia32 node,
823 ia32_op_flavour_t get_ia32_flavour(const ir_node *node) {
824 ia32_attr_t *attr = get_ia32_attr(node);
825 return attr->data.op_flav;
829 * Sets the flavour of an ia32 node to flavour_Div/Mod/DivMod/Mul/Mulh.
831 void set_ia32_flavour(ir_node *node, ia32_op_flavour_t op_flav) {
832 ia32_attr_t *attr = get_ia32_attr(node);
833 attr->data.op_flav = op_flav;
837 * Returns the projnum code.
839 long get_ia32_pncode(const ir_node *node) {
840 ia32_attr_t *attr = get_ia32_attr(node);
841 return attr->pn_code;
845 * Sets the projnum code
847 void set_ia32_pncode(ir_node *node, long code) {
848 ia32_attr_t *attr = get_ia32_attr(node);
849 attr->pn_code = code;
855 * Returns the name of the original ir node.
857 const char *get_ia32_orig_node(const ir_node *node) {
858 ia32_attr_t *attr = get_ia32_attr(node);
859 return attr->orig_node;
863 * Sets the name of the original ir node.
865 void set_ia32_orig_node(ir_node *node, const char *name) {
866 ia32_attr_t *attr = get_ia32_attr(node);
867 attr->orig_node = name;
872 /******************************************************************************************************
874 * (_) | | | | | | / _| | | (_)
875 * ___ _ __ ___ ___ _ __ _| | __ _| |_| |_ _ __ | |_ _ _ _ __ ___| |_ _ ___ _ __ ___
876 * / __| '_ \ / _ \/ __| |/ _` | | / _` | __| __| '__| | _| | | | '_ \ / __| __| |/ _ \| '_ \ / __|
877 * \__ \ |_) | __/ (__| | (_| | | | (_| | |_| |_| | | | | |_| | | | | (__| |_| | (_) | | | | \__ \
878 * |___/ .__/ \___|\___|_|\__,_|_| \__,_|\__|\__|_| |_| \__,_|_| |_|\___|\__|_|\___/|_| |_| |___/
881 ******************************************************************************************************/
884 * Gets the type of an ia32_Const.
886 unsigned get_ia32_Const_type(const ir_node *node) {
887 ia32_attr_t *attr = get_ia32_attr(node);
889 assert(is_ia32_Cnst(node) && "Need ia32_Const to get type");
891 return attr->data.tp;
895 * Sets the type of an ia32_Const.
897 void set_ia32_Const_type(ir_node *node, int type) {
898 ia32_attr_t *attr = get_ia32_attr(node);
900 assert(is_ia32_Cnst(node) && "Need ia32_Const to set type");
901 assert((type == ia32_Const || type == ia32_SymConst) && "Unsupported ia32_Const type");
903 attr->data.tp = type;
907 * Copy the attributes from an ia32_Const to an Immop (Add_i, Sub_i, ...) node
909 void set_ia32_Immop_attr(ir_node *node, ir_node *cnst) {
910 ia32_attr_t *na = get_ia32_attr(node);
911 ia32_attr_t *ca = get_ia32_attr(cnst);
913 switch(get_ia32_Const_type(cnst)) {
915 na->cnst_val.tv = ca->cnst_val.tv;
917 set_ia32_immop_type(node, ia32_ImmConst);
920 na->cnst_val.sc = ca->cnst_val.sc;
921 na->cnst = na->cnst_val.sc;
922 set_ia32_immop_type(node, ia32_ImmSymConst);
925 assert(0 && "Need ia32_Const to set Immop attr");
930 * Copy the attributes from Immop to an Immop
932 void copy_ia32_Immop_attr(ir_node *dst, ir_node *src) {
933 ia32_attr_t *da = get_ia32_attr(dst);
934 ia32_attr_t *sa = get_ia32_attr(src);
936 switch(get_ia32_immop_type(src)) {
938 da->cnst_val.tv = sa->cnst_val.tv;
940 set_ia32_immop_type(dst, ia32_ImmConst);
942 case ia32_ImmSymConst:
943 da->cnst_val.sc = sa->cnst_val.sc;
945 set_ia32_immop_type(dst, ia32_ImmSymConst);
948 assert(0 && "Need Immop to copy Immop attr");
953 * Copy the attributes from a Firm Const to an ia32_Const
955 void set_ia32_Const_attr(ir_node *ia32_cnst, ir_node *cnst) {
956 ia32_attr_t *attr = get_ia32_attr(ia32_cnst);
958 assert(is_ia32_Cnst(ia32_cnst) && "Need ia32_Const to set Const attr");
960 switch (get_irn_opcode(cnst)) {
962 attr->data.tp = ia32_Const;
963 attr->cnst_val.tv = get_Const_tarval(cnst);
964 attr->cnst = get_ident_for_tv(attr->cnst_val.tv);
967 attr->data.tp = ia32_SymConst;
968 attr->cnst_val.sc = get_sc_ident(cnst);
969 attr->cnst = attr->cnst_val.sc;
972 assert(0 && "Unknown Const NYI");
975 assert(0 && "Cannot create ia32_Const for this opcode");
980 * Sets the AddrMode(S|D) attribute
982 void set_ia32_AddrMode(ir_node *node, char direction) {
983 ia32_attr_t *attr = get_ia32_attr(node);
987 attr->data.tp = ia32_AddrModeD;
990 attr->data.tp = ia32_AddrModeS;
993 assert(0 && "wrong AM type");
998 * Returns whether or not the node is an immediate operation with Const.
1000 int is_ia32_ImmConst(const ir_node *node) {
1001 ia32_attr_t *attr = get_ia32_attr(node);
1002 return (attr->data.imm_tp == ia32_ImmConst);
1006 * Returns whether or not the node is an immediate operation with SymConst.
1008 int is_ia32_ImmSymConst(const ir_node *node) {
1009 ia32_attr_t *attr = get_ia32_attr(node);
1010 return (attr->data.imm_tp == ia32_ImmSymConst);
1014 * Returns whether or not the node is an AddrModeS node.
1016 int is_ia32_AddrModeS(const ir_node *node) {
1017 ia32_attr_t *attr = get_ia32_attr(node);
1018 return (attr->data.tp == ia32_AddrModeS);
1022 * Returns whether or not the node is an AddrModeD node.
1024 int is_ia32_AddrModeD(const ir_node *node) {
1025 ia32_attr_t *attr = get_ia32_attr(node);
1026 return (attr->data.tp == ia32_AddrModeD);
1030 * Checks if node is a Load or fLoad.
1032 int is_ia32_Ld(const ir_node *node) {
1033 return is_ia32_Load(node) || is_ia32_fLoad(node);
1037 * Checks if node is a Store or fStore.
1039 int is_ia32_St(const ir_node *node) {
1040 return is_ia32_Store(node) || is_ia32_fStore(node);
1044 * Checks if node is a Const or fConst.
1046 int is_ia32_Cnst(const ir_node *node) {
1047 return is_ia32_Const(node) || is_ia32_fConst(node);
1051 * Returns the name of the OUT register at position pos.
1053 const char *get_ia32_out_reg_name(const ir_node *node, int pos) {
1054 ia32_attr_t *attr = get_ia32_attr(node);
1056 assert(is_ia32_irn(node) && "Not an ia32 node.");
1057 assert(pos < attr->data.n_res && "Invalid OUT position.");
1058 assert(attr->slots[pos] && "No register assigned");
1060 return arch_register_get_name(attr->slots[pos]);
1064 * Returns the index of the OUT register at position pos within its register class.
1066 int get_ia32_out_regnr(const ir_node *node, int pos) {
1067 ia32_attr_t *attr = get_ia32_attr(node);
1069 assert(is_ia32_irn(node) && "Not an ia32 node.");
1070 assert(pos < attr->data.n_res && "Invalid OUT position.");
1071 assert(attr->slots[pos] && "No register assigned");
1073 return arch_register_get_index(attr->slots[pos]);
1077 * Returns the OUT register at position pos.
1079 const arch_register_t *get_ia32_out_reg(const ir_node *node, int pos) {
1080 ia32_attr_t *attr = get_ia32_attr(node);
1082 assert(is_ia32_irn(node) && "Not an ia32 node.");
1083 assert(pos < attr->data.n_res && "Invalid OUT position.");
1084 assert(attr->slots[pos] && "No register assigned");
1086 return attr->slots[pos];
1090 * Allocates num register slots for node.
1092 void alloc_ia32_reg_slots(ir_node *node, int num) {
1093 ia32_attr_t *attr = get_ia32_attr(node);
1096 attr->slots = NEW_ARR_D(arch_register_t *, get_irg_obstack(get_irn_irg(node)), num);
1097 memset(attr->slots, 0, sizeof(attr->slots[0]) * num);
1103 attr->data.n_res = num;
1107 * Initializes the nodes attributes.
1109 void init_ia32_attributes(ir_node *node, arch_irn_flags_t flags, const ia32_register_req_t **in_reqs,
1110 const ia32_register_req_t **out_reqs, int n_res)
1112 set_ia32_flags(node, flags);
1113 set_ia32_in_req_all(node, in_reqs);
1114 set_ia32_out_req_all(node, out_reqs);
1115 alloc_ia32_reg_slots(node, n_res);
1118 /***************************************************************************************
1121 * _ __ ___ __| | ___ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_ ___ _ __ ___
1122 * | '_ \ / _ \ / _` |/ _ \ / __/ _ \| '_ \/ __| __| '__| | | |/ __| __/ _ \| '__/ __|
1123 * | | | | (_) | (_| | __/ | (_| (_) | | | \__ \ |_| | | |_| | (__| || (_) | | \__ \
1124 * |_| |_|\___/ \__,_|\___| \___\___/|_| |_|___/\__|_| \__,_|\___|\__\___/|_| |___/
1126 ***************************************************************************************/
1128 /* default compare operation to compare immediate ops */
1129 int ia32_compare_immop_attr(ia32_attr_t *a, ia32_attr_t *b) {
1130 if (a->data.tp == b->data.tp) {
1131 return a->cnst == b->cnst;
1137 /* copies the ia32 attributes */
1138 static void ia32_copy_attr(const ir_node *old_node, ir_node *new_node) {
1139 ia32_attr_t *attr_old = get_ia32_attr(old_node);
1140 ia32_attr_t *attr_new = get_ia32_attr(new_node);
1141 int n_res = get_ia32_n_res(old_node);
1143 /* copy the attributes */
1144 memcpy(attr_new, attr_old, sizeof(*attr_new));
1146 /* copy the register slots */
1147 attr_new->slots = NEW_ARR_D(arch_register_t *, get_irg_obstack(get_irn_irg(new_node)), n_res);
1148 memcpy((void *)attr_new->slots, (void *)attr_old->slots, sizeof(attr_new->slots[0]) * n_res);
1152 * Registers the ia32_copy_attr function for all ia32 opcodes.
1154 void ia32_register_copy_attr_func(void) {
1155 unsigned i, f = get_ia32_opcode_first(), l = get_ia32_opcode_last();
1157 for (i = f; i < l; i++) {
1158 ir_op *op = get_irp_opcode(i);
1159 op->ops.copy_attr = ia32_copy_attr;
1163 static void ia32_register_additional_opcodes(int n) {
1164 /* we don't need any additional opcodes */
1167 /* Include the generated constructor functions */
1168 #include "gen_ia32_new_nodes.c.inl"