5 * @brief Lower Double word operations, ie Mode L -> I.
29 #include "irgraph_t.h"
34 #include "dbginfo_t.h"
35 #include "iropt_dbg.h"
49 /** A map from mode to a primitive type. */
50 static pmap *prim_types;
52 /** A map from (op, imode, omode) to Intrinsic functions entities. */
53 static set *intrinsic_fkt;
55 /** A map from (imode, omode) to conv function types. */
56 static set *conv_types;
58 /** A map from a method type to its lowered type. */
59 static pmap *lowered_type;
61 /** The types for the binop and unop intrinsics. */
62 static ir_type *binop_tp_u, *binop_tp_s, *unop_tp_u, *unop_tp_s, *shiftop_tp_u, *shiftop_tp_s, *tp_s, *tp_u;
64 /** the debug handle */
65 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
68 * An entry in the (op, imode, omode) -> entity map.
70 typedef struct _op_mode_entry {
71 const ir_op *op; /**< the op */
72 const ir_mode *imode; /**< the input mode */
73 const ir_mode *omode; /**< the output mode */
74 entity *ent; /**< the associated entity of this (op, imode, omode) triple */
78 * An entry in the (imode, omode) -> tp map.
80 typedef struct _conv_tp_entry {
81 const ir_mode *imode; /**< the input mode */
82 const ir_mode *omode; /**< the output mode */
83 ir_type *mtd; /**< the associated method type of this (imode, omode) pair */
87 * Every double word node will be replaced,
88 * we need some store to hold the replacement:
90 typedef struct _node_entry_t {
91 ir_node *low_word; /**< the low word */
92 ir_node *high_word; /**< the high word */
96 MUST_BE_LOWERED = 1, /**< graph must be lowered */
97 CF_CHANGED = 2, /**< control flow was changed */
101 * The lower environment.
103 typedef struct _lower_env_t {
104 node_entry_t **entries; /**< entries per node */
105 struct obstack obst; /**< an obstack holding the temporary data */
106 tarval *tv_mode_bytes; /**< a tarval containing the number of bytes in the lowered modes */
107 tarval *tv_mode_bits; /**< a tarval containing the number of bits in the lowered modes */
108 pdeq *waitq; /**< a wait queue of all nodes that must be handled later */
109 pmap *proj_2_block; /**< a map from ProjX to its destination blocks */
110 const lwrdw_param_t *params; /**< transformation parameter */
111 unsigned flags; /**< some flags */
112 int n_entries; /**< number of entries */
116 * Get a primitive mode for a mode.
118 static ir_type *get_primitive_type(ir_mode *mode) {
119 pmap_entry *entry = pmap_find(prim_types, mode);
126 snprintf(buf, sizeof(buf), "_prim_%s", get_mode_name(mode));
127 tp = new_type_primitive(new_id_from_str(buf), mode);
129 pmap_insert(prim_types, mode, tp);
134 * Create a method type for a Conv emulation from imode to omode.
136 static ir_type *get_conv_type(ir_mode *imode, ir_mode *omode, lower_env_t *env) {
137 conv_tp_entry_t key, *entry;
144 entry = set_insert(conv_types, &key, sizeof(key), HASH_PTR(imode) ^ HASH_PTR(omode));
146 int n_param = 1, n_res = 1;
149 if (imode == env->params->high_signed || imode == env->params->high_unsigned)
151 if (omode == env->params->high_signed || omode == env->params->high_unsigned)
154 /* create a new one */
155 snprintf(buf, sizeof(buf), "LConv%s%s", get_mode_name(imode), get_mode_name(omode));
156 mtd = new_type_method(new_id_from_str(buf), n_param, n_res);
158 /* set param types and result types */
160 if (imode == env->params->high_signed) {
161 set_method_param_type(mtd, n_param++, tp_s);
162 set_method_param_type(mtd, n_param++, tp_s);
164 else if (imode == env->params->high_unsigned) {
165 set_method_param_type(mtd, n_param++, tp_u);
166 set_method_param_type(mtd, n_param++, tp_u);
169 ir_type *tp = get_primitive_type(imode);
170 set_method_param_type(mtd, n_param++, tp);
174 if (omode == env->params->high_signed) {
175 set_method_res_type(mtd, n_res++, tp_s);
176 set_method_res_type(mtd, n_res++, tp_s);
178 else if (omode == env->params->high_unsigned) {
179 set_method_res_type(mtd, n_res++, tp_u);
180 set_method_res_type(mtd, n_res++, tp_u);
183 ir_type *tp = get_primitive_type(omode);
184 set_method_res_type(mtd, n_res++, tp);
195 * Add an additional control flow input to a block.
196 * Patch all Phi nodes. The new Phi inputs are copied from
197 * old input number nr.
199 static void add_block_cf_input_nr(ir_node *block, int nr, ir_node *cf)
201 int i, arity = get_irn_arity(block);
206 NEW_ARR_A(ir_node *, in, arity + 1);
207 for (i = 0; i < arity; ++i)
208 in[i] = get_irn_n(block, i);
211 set_irn_in(block, i + 1, in);
213 for (phi = get_irn_link(block); phi; phi = get_irn_link(phi)) {
214 for (i = 0; i < arity; ++i)
215 in[i] = get_irn_n(phi, i);
217 set_irn_in(phi, i + 1, in);
222 * Add an additional control flow input to a block.
223 * Patch all Phi nodes. The new Phi inputs are copied from
224 * old input from cf tmpl.
226 static void add_block_cf_input(ir_node *block, ir_node *tmpl, ir_node *cf)
228 int i, arity = get_irn_arity(block);
231 for (i = 0; i < arity; ++i) {
232 if (get_irn_n(block, i) == tmpl) {
238 add_block_cf_input_nr(block, nr, cf);
242 * Return the "operational" mode of a Firm node.
244 static ir_mode *get_irn_op_mode(ir_node *node)
246 switch (get_irn_opcode(node)) {
248 return get_Load_mode(node);
251 return get_irn_mode(get_Store_value(node));
254 return get_irn_mode(get_DivMod_left(node));
257 return get_irn_mode(get_Div_left(node));
260 return get_irn_mode(get_Mod_left(node));
263 return get_irn_mode(get_Cmp_left(node));
266 return get_irn_mode(node);
271 * walker, prepare the node links
273 static void prepare_links(ir_node *node, void *env)
275 lower_env_t *lenv = env;
276 ir_mode *mode = get_irn_op_mode(node);
280 if (mode == lenv->params->high_signed ||
281 mode == lenv->params->high_unsigned) {
282 /* ok, found a node that will be lowered */
283 link = obstack_alloc(&lenv->obst, sizeof(*link));
285 memset(link, 0, sizeof(*link));
287 lenv->entries[get_irn_idx(node)] = link;
288 lenv->flags |= MUST_BE_LOWERED;
290 else if (get_irn_op(node) == op_Conv) {
291 /* Conv nodes have two modes */
292 ir_node *pred = get_Conv_op(node);
293 mode = get_irn_mode(pred);
295 if (mode == lenv->params->high_signed ||
296 mode == lenv->params->high_unsigned) {
297 /* must lower this node either */
298 link = obstack_alloc(&lenv->obst, sizeof(*link));
300 memset(link, 0, sizeof(*link));
302 lenv->entries[get_irn_idx(node)] = link;
303 lenv->flags |= MUST_BE_LOWERED;
309 /* link all Proj nodes to its predecessor:
310 Note that Tuple Proj's and its Projs are linked either. */
311 ir_node *pred = get_Proj_pred(node);
313 set_irn_link(node, get_irn_link(pred));
314 set_irn_link(pred, node);
316 else if (is_Phi(node)) {
317 /* link all Phi nodes to its block */
318 ir_node *block = get_nodes_block(node);
320 set_irn_link(node, get_irn_link(block));
321 set_irn_link(block, node);
323 else if (is_Block(node)) {
324 /* fill the Proj -> Block map */
325 for (i = get_Block_n_cfgpreds(node) - 1; i >= 0; --i) {
326 ir_node *pred = get_Block_cfgpred(node, i);
329 pmap_insert(lenv->proj_2_block, pred, node);
335 * Translate a Constant: create two.
337 static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env) {
338 tarval *tv, *tv_l, *tv_h;
340 dbg_info *dbg = get_irn_dbg_info(node);
341 ir_node *block = get_nodes_block(node);
344 tv = get_Const_tarval(node);
346 tv_l = tarval_convert_to(tv, mode);
347 low = new_rd_Const(dbg, current_ir_graph, block, mode, tv_l);
349 tv_h = tarval_convert_to(tarval_shrs(tv, env->tv_mode_bits), mode);
350 high = new_rd_Const(dbg, current_ir_graph, block, mode, tv_h);
352 idx = get_irn_idx(node);
353 assert(idx < env->n_entries);
354 env->entries[idx]->low_word = low;
355 env->entries[idx]->high_word = high;
359 * Translate a Load: create two.
361 static void lower_Load(ir_node *node, ir_mode *mode, lower_env_t *env) {
362 ir_graph *irg = current_ir_graph;
363 ir_node *adr = get_Load_ptr(node);
364 ir_node *mem = get_Load_mem(node);
365 ir_node *low, *high, *proj;
367 ir_node *block = get_nodes_block(node);
370 if (env->params->little_endian) {
372 high = new_r_Add(irg, block, adr,
373 new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
377 low = new_r_Add(irg, block, adr,
378 new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
383 /* create two loads */
384 dbg = get_irn_dbg_info(node);
385 low = new_rd_Load(dbg, irg, block, mem, low, mode);
386 proj = new_r_Proj(irg, block, low, mode_M, pn_Load_M);
387 high = new_rd_Load(dbg, irg, block, proj, high, mode);
389 set_Load_volatility(low, get_Load_volatility(node));
390 set_Load_volatility(high, get_Load_volatility(node));
392 idx = get_irn_idx(node);
393 assert(idx < env->n_entries);
394 env->entries[idx]->low_word = low;
395 env->entries[idx]->high_word = high;
397 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
398 idx = get_irn_idx(proj);
400 switch (get_Proj_proj(proj)) {
401 case pn_Load_M: /* Memory result. */
402 /* put it to the second one */
403 set_Proj_pred(proj, high);
405 case pn_Load_X_except: /* Execution result if exception occurred. */
406 /* put it to the first one */
407 set_Proj_pred(proj, low);
409 case pn_Load_res: /* Result of load operation. */
410 assert(idx < env->n_entries);
411 env->entries[idx]->low_word = new_r_Proj(irg, block, low, mode, pn_Load_res);
412 env->entries[idx]->high_word = new_r_Proj(irg, block, high, mode, pn_Load_res);
415 assert(0 && "unexpected Proj number");
417 /* mark this proj: we have handled it already, otherwise we might fall into
419 mark_irn_visited(proj);
424 * Translate a Store: create two.
426 static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env) {
428 ir_node *block, *adr, *mem;
429 ir_node *low, *high, *irn, *proj;
434 irn = get_Store_value(node);
435 entry = env->entries[get_irn_idx(irn)];
438 if (! entry->low_word) {
439 /* not ready yet, wait */
440 pdeq_putr(env->waitq, node);
444 irg = current_ir_graph;
445 adr = get_Store_ptr(node);
446 mem = get_Store_mem(node);
447 block = get_nodes_block(node);
449 if (env->params->little_endian) {
451 high = new_r_Add(irg, block, adr,
452 new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
456 low = new_r_Add(irg, block, adr,
457 new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
462 /* create two Stores */
463 dbg = get_irn_dbg_info(node);
464 low = new_rd_Store(dbg, irg, block, mem, low, entry->low_word);
465 proj = new_r_Proj(irg, block, low, mode_M, pn_Store_M);
466 high = new_rd_Store(dbg, irg, block, proj, high, entry->high_word);
468 set_Store_volatility(low, get_Store_volatility(node));
469 set_Store_volatility(high, get_Store_volatility(node));
471 idx = get_irn_idx(node);
472 assert(idx < env->n_entries);
473 env->entries[idx]->low_word = low;
474 env->entries[idx]->high_word = high;
476 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
477 idx = get_irn_idx(proj);
479 switch (get_Proj_proj(proj)) {
480 case pn_Store_M: /* Memory result. */
481 /* put it to the second one */
482 set_Proj_pred(proj, high);
484 case pn_Store_X_except: /* Execution result if exception occurred. */
485 /* put it to the first one */
486 set_Proj_pred(proj, low);
489 assert(0 && "unexpected Proj number");
491 /* mark this proj: we have handled it already, otherwise we might fall into
493 mark_irn_visited(proj);
498 * Return a node containing the address of the intrinsic emulation function.
500 * @param method the method type of the emulation function
501 * @param op the emulated ir_op
502 * @param imode the input mode of the emulated opcode
503 * @param omode the output mode of the emulated opcode
504 * @param block where the new mode is created
505 * @param env the lower environment
507 static ir_node *get_intrinsic_address(ir_type *method, ir_op *op,
508 ir_mode *imode, ir_mode *omode,
509 ir_node *block, lower_env_t *env) {
512 op_mode_entry_t key, *entry;
519 entry = set_insert(intrinsic_fkt, &key, sizeof(key),
520 HASH_PTR(op) ^ HASH_PTR(imode) ^ (HASH_PTR(omode) << 8));
522 /* create a new one */
523 ent = env->params->create_intrinsic(method, op, imode, omode, env->params->ctx);
525 assert(ent && "Intrinsic creator must return an entity");
532 return new_r_SymConst(current_ir_graph, block, sym, symconst_addr_ent);
538 * Create an intrinsic Call.
540 static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env) {
541 ir_node *block, *irn, *call, *proj;
549 irn = get_Div_left(node);
550 entry = env->entries[get_irn_idx(irn)];
553 if (! entry->low_word) {
554 /* not ready yet, wait */
555 pdeq_putr(env->waitq, node);
559 in[0] = entry->low_word;
560 in[1] = entry->high_word;
562 irn = get_Div_right(node);
563 entry = env->entries[get_irn_idx(irn)];
566 if (! entry->low_word) {
567 /* not ready yet, wait */
568 pdeq_putr(env->waitq, node);
572 in[2] = entry->low_word;
573 in[3] = entry->high_word;
575 dbg = get_irn_dbg_info(node);
576 block = get_nodes_block(node);
578 mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
579 opmode = get_irn_op_mode(node);
580 irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, block, env);
581 call = new_rd_Call(dbg, current_ir_graph, block, get_Div_mem(node),
583 set_irn_pinned(call, get_irn_pinned(node));
584 irn = new_r_Proj(current_ir_graph, block, call, mode_T, pn_Call_T_result);
586 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
587 switch (get_Proj_proj(proj)) {
588 case pn_Div_M: /* Memory result. */
589 /* reroute to the call */
590 set_Proj_pred(proj, call);
591 set_Proj_proj(proj, pn_Call_M_except);
593 case pn_Div_X_except: /* Execution result if exception occurred. */
594 /* reroute to the call */
595 set_Proj_pred(proj, call);
596 set_Proj_proj(proj, pn_Call_X_except);
598 case pn_Div_res: /* Result of computation. */
599 idx = get_irn_idx(proj);
600 assert(idx < env->n_entries);
601 env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, irn, mode, 0);
602 env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
605 assert(0 && "unexpected Proj number");
607 /* mark this proj: we have handled it already, otherwise we might fall into
609 mark_irn_visited(proj);
616 * Create an intrinsic Call.
618 static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) {
619 ir_node *block, *proj, *irn, *call;
627 irn = get_Mod_left(node);
628 entry = env->entries[get_irn_idx(irn)];
631 if (! entry->low_word) {
632 /* not ready yet, wait */
633 pdeq_putr(env->waitq, node);
637 in[0] = entry->low_word;
638 in[1] = entry->high_word;
640 irn = get_Mod_right(node);
641 entry = env->entries[get_irn_idx(irn)];
644 if (! entry->low_word) {
645 /* not ready yet, wait */
646 pdeq_putr(env->waitq, node);
650 in[2] = entry->low_word;
651 in[3] = entry->high_word;
653 dbg = get_irn_dbg_info(node);
654 block = get_nodes_block(node);
656 mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
657 opmode = get_irn_op_mode(node);
658 irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, block, env);
659 call = new_rd_Call(dbg, current_ir_graph, block, get_Mod_mem(node),
661 set_irn_pinned(call, get_irn_pinned(node));
662 irn = new_r_Proj(current_ir_graph, block, call, mode_T, pn_Call_T_result);
664 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
665 switch (get_Proj_proj(proj)) {
666 case pn_Mod_M: /* Memory result. */
667 /* reroute to the call */
668 set_Proj_pred(proj, call);
669 set_Proj_proj(proj, pn_Call_M_except);
671 case pn_Mod_X_except: /* Execution result if exception occurred. */
672 /* reroute to the call */
673 set_Proj_pred(proj, call);
674 set_Proj_proj(proj, pn_Call_X_except);
676 case pn_Mod_res: /* Result of computation. */
677 idx = get_irn_idx(proj);
678 assert(idx < env->n_entries);
679 env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, irn, mode, 0);
680 env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
683 assert(0 && "unexpected Proj number");
685 /* mark this proj: we have handled it already, otherwise we might fall into
687 mark_irn_visited(proj);
692 * Translate a DivMod.
694 * Create two intrinsic Calls.
696 static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) {
697 ir_node *block, *proj, *irn, *mem, *callDiv, *callMod, *resDiv, *resMod;
706 /* check if both results are needed */
707 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
708 switch (get_Proj_proj(proj)) {
709 case pn_DivMod_res_div: flags |= 1; break;
710 case pn_DivMod_res_mod: flags |= 2; break;
715 irn = get_DivMod_left(node);
716 entry = env->entries[get_irn_idx(irn)];
719 if (! entry->low_word) {
720 /* not ready yet, wait */
721 pdeq_putr(env->waitq, node);
725 in[0] = entry->low_word;
726 in[1] = entry->high_word;
728 irn = get_DivMod_right(node);
729 entry = env->entries[get_irn_idx(irn)];
732 if (! entry->low_word) {
733 /* not ready yet, wait */
734 pdeq_putr(env->waitq, node);
738 in[2] = entry->low_word;
739 in[3] = entry->high_word;
741 dbg = get_irn_dbg_info(node);
742 block = get_nodes_block(node);
744 mem = get_DivMod_mem(node);
746 callDiv = callMod = NULL;
747 mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
749 opmode = get_irn_op_mode(node);
750 irn = get_intrinsic_address(mtp, op_Div, opmode, opmode, block, env);
751 callDiv = new_rd_Call(dbg, current_ir_graph, block, mem,
753 set_irn_pinned(callDiv, get_irn_pinned(node));
754 resDiv = new_r_Proj(current_ir_graph, block, callDiv, mode_T, pn_Call_T_result);
758 mem = new_r_Proj(current_ir_graph, block, callDiv, mode_M, pn_Call_M);
759 opmode = get_irn_op_mode(node);
760 irn = get_intrinsic_address(mtp, op_Mod, opmode, opmode, block, env);
761 callMod = new_rd_Call(dbg, current_ir_graph, block, mem,
763 set_irn_pinned(callMod, get_irn_pinned(node));
764 resMod = new_r_Proj(current_ir_graph, block, callMod, mode_T, pn_Call_T_result);
767 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
768 switch (get_Proj_proj(proj)) {
769 case pn_DivMod_M: /* Memory result. */
770 /* reroute to the first call */
771 set_Proj_pred(proj, callDiv ? callDiv : (callMod ? callMod : mem));
772 set_Proj_proj(proj, pn_Call_M_except);
774 case pn_DivMod_X_except: /* Execution result if exception occurred. */
775 /* reroute to the first call */
776 set_Proj_pred(proj, callDiv ? callDiv : (callMod ? callMod : mem));
777 set_Proj_proj(proj, pn_Call_X_except);
779 case pn_DivMod_res_div: /* Result of Div. */
780 idx = get_irn_idx(proj);
781 assert(idx < env->n_entries);
782 env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, resDiv, mode, 0);
783 env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, resDiv, mode, 1);
785 case pn_DivMod_res_mod: /* Result of Mod. */
786 idx = get_irn_idx(proj);
787 env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, resMod, mode, 0);
788 env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, resMod, mode, 1);
791 assert(0 && "unexpected Proj number");
793 /* mark this proj: we have handled it already, otherwise we might fall into
795 mark_irn_visited(proj);
802 * Create an intrinsic Call.
804 static void lower_Binop(ir_node *node, ir_mode *mode, lower_env_t *env) {
805 ir_node *block, *irn;
812 irn = get_binop_left(node);
813 entry = env->entries[get_irn_idx(irn)];
816 if (! entry->low_word) {
817 /* not ready yet, wait */
818 pdeq_putr(env->waitq, node);
822 in[0] = entry->low_word;
823 in[1] = entry->high_word;
825 irn = get_binop_right(node);
826 entry = env->entries[get_irn_idx(irn)];
829 if (! entry->low_word) {
830 /* not ready yet, wait */
831 pdeq_putr(env->waitq, node);
835 in[2] = entry->low_word;
836 in[3] = entry->high_word;
838 dbg = get_irn_dbg_info(node);
839 block = get_nodes_block(node);
841 mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
842 irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
843 irn = new_rd_Call(dbg, current_ir_graph, block, get_irg_no_mem(current_ir_graph),
845 set_irn_pinned(irn, get_irn_pinned(node));
846 irn = new_r_Proj(current_ir_graph, block, irn, mode_T, pn_Call_T_result);
848 idx = get_irn_idx(node);
849 assert(idx < env->n_entries);
850 env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, irn, mode, 0);
851 env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
855 * Translate a Shiftop.
857 * Create an intrinsic Call.
859 static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env) {
860 ir_node *block, *irn;
867 irn = get_binop_left(node);
868 entry = env->entries[get_irn_idx(irn)];
871 if (! entry->low_word) {
872 /* not ready yet, wait */
873 pdeq_putr(env->waitq, node);
877 in[0] = entry->low_word;
878 in[1] = entry->high_word;
880 /* The shift count is always mode_Iu in firm, so there is no need for lowering */
881 in[2] = get_binop_right(node);
883 dbg = get_irn_dbg_info(node);
884 block = get_nodes_block(node);
886 mtp = mode_is_signed(mode) ? shiftop_tp_s : shiftop_tp_u;
887 irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
888 irn = new_rd_Call(dbg, current_ir_graph, block, get_irg_no_mem(current_ir_graph),
890 set_irn_pinned(irn, get_irn_pinned(node));
891 irn = new_r_Proj(current_ir_graph, block, irn, mode_T, pn_Call_T_result);
893 idx = get_irn_idx(node);
894 assert(idx < env->n_entries);
895 env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, irn, mode, 0);
896 env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
900 * Translate a Shr and handle special cases.
902 static void lower_Shr(ir_node *node, ir_mode *mode, lower_env_t *env) {
903 ir_node *right = get_Shr_right(node);
905 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
906 tarval *tv = get_Const_tarval(right);
908 if (tarval_is_long(tv) &&
909 get_tarval_long(tv) == get_mode_size_bits(env->params->low_signed)) {
910 ir_node *block = get_nodes_block(node);
911 ir_node *left = get_Shr_left(node);
912 int idx = get_irn_idx(left);
914 left = env->entries[idx]->high_word;
915 idx = get_irn_idx(node);
917 env->entries[idx]->low_word = left;
918 env->entries[idx]->high_word = new_r_Const(current_ir_graph, block, mode, get_mode_null(mode));
923 lower_Shiftop(node, mode, env);
927 * Translate a Shl and handle special cases.
929 static void lower_Shl(ir_node *node, ir_mode *mode, lower_env_t *env) {
930 ir_node *right = get_Shl_right(node);
932 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
933 tarval *tv = get_Const_tarval(right);
935 if (tarval_is_long(tv) &&
936 get_tarval_long(tv) == get_mode_size_bits(env->params->low_signed)) {
937 ir_node *block = get_nodes_block(node);
938 ir_node *left = get_Shl_left(node);
939 int idx = get_irn_idx(left);
941 left = env->entries[idx]->low_word;
942 idx = get_irn_idx(node);
944 env->entries[idx]->low_word = new_r_Const(current_ir_graph, block, mode, get_mode_null(mode));
945 env->entries[idx]->high_word = left;
950 lower_Shiftop(node, mode, env);
954 * Translate a Shrs and handle special cases.
956 static void lower_Shrs(ir_node *node, ir_mode *mode, lower_env_t *env) {
957 ir_node *right = get_Shrs_right(node);
959 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
960 tarval *tv = get_Const_tarval(right);
962 if (tarval_is_long(tv) &&
963 get_tarval_long(tv) == get_mode_size_bits(env->params->low_signed)) {
964 ir_node *block = get_nodes_block(node);
965 ir_node *left = get_Shrs_left(node);
967 int idx = get_irn_idx(left);
969 left = env->entries[idx]->high_word;
970 idx = get_irn_idx(node);
972 c = new_r_Const_long(current_ir_graph, block, mode_Iu, get_mode_size_bits(mode) - 1);
973 env->entries[idx]->low_word = left;
974 env->entries[idx]->high_word = new_r_Shrs(current_ir_graph, block, left, c, mode);
979 lower_Shiftop(node, mode, env);
983 * Translate a Rot and handle special cases.
985 static void lower_Rot(ir_node *node, ir_mode *mode, lower_env_t *env) {
986 ir_node *right = get_Rot_right(node);
988 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
989 tarval *tv = get_Const_tarval(right);
991 if (tarval_is_long(tv) &&
992 get_tarval_long(tv) == get_mode_size_bits(env->params->low_signed)) {
993 ir_node *block = get_nodes_block(node);
994 ir_node *left = get_Rot_left(node);
996 int idx = get_irn_idx(left);
998 l = env->entries[idx]->low_word;
999 h = env->entries[idx]->high_word;
1000 idx = get_irn_idx(node);
1002 env->entries[idx]->low_word = h;
1003 env->entries[idx]->high_word = l;
1008 lower_Shiftop(node, mode, env);
1011 * Translate an Unop.
1013 * Create an intrinsic Call.
1015 static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env) {
1016 ir_node *block, *irn;
1021 node_entry_t *entry;
1023 irn = get_unop_op(node);
1024 entry = env->entries[get_irn_idx(irn)];
1027 if (! entry->low_word) {
1028 /* not ready yet, wait */
1029 pdeq_putr(env->waitq, node);
1033 in[0] = entry->low_word;
1034 in[1] = entry->high_word;
1036 dbg = get_irn_dbg_info(node);
1037 block = get_nodes_block(node);
1039 mtp = mode_is_signed(mode) ? unop_tp_s : unop_tp_u;
1040 irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
1041 irn = new_rd_Call(dbg, current_ir_graph, block, get_irg_no_mem(current_ir_graph),
1043 set_irn_pinned(irn, get_irn_pinned(node));
1044 irn = new_r_Proj(current_ir_graph, block, irn, mode_T, pn_Call_T_result);
1046 idx = get_irn_idx(node);
1047 assert(idx < env->n_entries);
1048 env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, irn, mode, 0);
1049 env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
1053 * Translate a logical Binop.
1055 * Create two logical Binops.
1057 static void lower_Binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env,
1058 ir_node *(*constr_rd)(dbg_info *db, ir_graph *irg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) ) {
1059 ir_node *block, *irn;
1060 ir_node *lop_l, *lop_h, *rop_l, *rop_h;
1063 node_entry_t *entry;
1065 irn = get_binop_left(node);
1066 entry = env->entries[get_irn_idx(irn)];
1069 if (! entry->low_word) {
1070 /* not ready yet, wait */
1071 pdeq_putr(env->waitq, node);
1075 lop_l = entry->low_word;
1076 lop_h = entry->high_word;
1078 irn = get_binop_right(node);
1079 entry = env->entries[get_irn_idx(irn)];
1082 if (! entry->low_word) {
1083 /* not ready yet, wait */
1084 pdeq_putr(env->waitq, node);
1088 rop_l = entry->low_word;
1089 rop_h = entry->high_word;
1091 dbg = get_irn_dbg_info(node);
1092 block = get_nodes_block(node);
1094 idx = get_irn_idx(node);
1095 assert(idx < env->n_entries);
1096 env->entries[idx]->low_word = constr_rd(dbg, current_ir_graph, block, lop_l, rop_l, mode);
1097 env->entries[idx]->high_word = constr_rd(dbg, current_ir_graph, block, lop_h, rop_h, mode);
1100 /** create a logical operation tranformation */
1101 #define lower_logical(op) \
1102 static void lower_##op(ir_node *node, ir_mode *mode, lower_env_t *env) { \
1103 lower_Binop_logical(node, mode, env, new_rd_##op); \
1113 * Create two logical Nots.
1115 static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env) {
1116 ir_node *block, *irn;
1117 ir_node *op_l, *op_h;
1120 node_entry_t *entry;
1122 irn = get_Not_op(node);
1123 entry = env->entries[get_irn_idx(irn)];
1126 if (! entry->low_word) {
1127 /* not ready yet, wait */
1128 pdeq_putr(env->waitq, node);
1132 op_l = entry->low_word;
1133 op_h = entry->high_word;
1135 dbg = get_irn_dbg_info(node);
1136 block = get_nodes_block(node);
1138 idx = get_irn_idx(node);
1139 assert(idx < env->n_entries);
1140 env->entries[idx]->low_word = new_rd_Not(dbg, current_ir_graph, block, op_l, mode);
1141 env->entries[idx]->high_word = new_rd_Not(dbg, current_ir_graph, block, op_h, mode);
1147 static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) {
1148 ir_node *cmp, *left, *right, *block;
1149 ir_node *sel = get_Cond_selector(node);
1150 ir_mode *m = get_irn_mode(sel);
1154 node_entry_t *lentry, *rentry;
1155 ir_node *proj, *projT = NULL, *projF = NULL;
1156 ir_node *new_bl, *cmpH, *cmpL, *irn;
1157 ir_node *projHF, *projHT;
1163 cmp = get_Proj_pred(sel);
1164 left = get_Cmp_left(cmp);
1165 idx = get_irn_idx(left);
1166 lentry = env->entries[idx];
1172 right = get_Cmp_right(cmp);
1173 idx = get_irn_idx(right);
1174 rentry = env->entries[idx];
1177 if (! lentry->low_word || !rentry->low_word) {
1179 pdeq_putr(env->waitq, node);
1183 /* all right, build the code */
1184 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
1185 long proj_nr = get_Proj_proj(proj);
1187 if (proj_nr == pn_Cond_true) {
1188 assert(projT == NULL && "more than one Proj(true)");
1192 assert(proj_nr == pn_Cond_false);
1193 assert(projF == NULL && "more than one Proj(false)");
1196 mark_irn_visited(proj);
1198 assert(projT && projF);
1200 /* create a new high compare */
1201 block = get_nodes_block(cmp);
1202 dbg = get_irn_dbg_info(cmp);
1203 irg = current_ir_graph;
1205 cmpH = new_rd_Cmp(dbg, irg, block, lentry->high_word, rentry->high_word);
1207 pnc = get_Proj_proj(sel);
1208 if (pnc == pn_Cmp_Eq) {
1209 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1210 pmap_entry *entry = pmap_find(env->proj_2_block, projF);
1213 dst_blk = entry->value;
1215 irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Eq);
1216 dbg = get_irn_dbg_info(node);
1217 irn = new_rd_Cond(dbg, irg, block, irn);
1219 projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
1220 mark_irn_visited(projHF);
1221 exchange(projF, projHF);
1223 projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
1224 mark_irn_visited(projHT);
1226 new_bl = new_r_Block(irg, 1, &projHT);
1228 dbg = get_irn_dbg_info(cmp);
1229 cmpL = new_rd_Cmp(dbg, irg, new_bl, lentry->low_word, rentry->low_word);
1230 irn = new_r_Proj(irg, new_bl, cmpL, mode_b, pn_Cmp_Eq);
1231 dbg = get_irn_dbg_info(node);
1232 irn = new_rd_Cond(dbg, irg, new_bl, irn);
1234 proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false);
1235 mark_irn_visited(proj);
1236 add_block_cf_input(dst_blk, projHF, proj);
1238 proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true);
1239 mark_irn_visited(proj);
1240 exchange(projT, proj);
1242 else if (pnc == pn_Cmp_Lg) {
1243 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1244 pmap_entry *entry = pmap_find(env->proj_2_block, projT);
1247 dst_blk = entry->value;
1249 irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Lg);
1250 dbg = get_irn_dbg_info(node);
1251 irn = new_rd_Cond(dbg, irg, block, irn);
1253 projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
1254 mark_irn_visited(projHT);
1255 exchange(projT, projHT);
1257 projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
1258 mark_irn_visited(projHF);
1260 new_bl = new_r_Block(irg, 1, &projHF);
1262 dbg = get_irn_dbg_info(cmp);
1263 cmpL = new_rd_Cmp(dbg, irg, new_bl, lentry->low_word, rentry->low_word);
1264 irn = new_r_Proj(irg, new_bl, cmpL, mode_b, pn_Cmp_Lg);
1265 dbg = get_irn_dbg_info(node);
1266 irn = new_rd_Cond(dbg, irg, new_bl, irn);
1268 proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true);
1269 mark_irn_visited(proj);
1270 add_block_cf_input(dst_blk, projHT, proj);
1272 proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false);
1273 mark_irn_visited(proj);
1274 exchange(projF, proj);
1277 /* a rel b <==> a_h rel b_h || (a_h == b_h && a_l rel b_l) */
1278 ir_node *dstT, *dstF, *newbl_eq, *newbl_l;
1281 entry = pmap_find(env->proj_2_block, projT);
1283 dstT = entry->value;
1285 entry = pmap_find(env->proj_2_block, projF);
1287 dstF = entry->value;
1289 irn = new_r_Proj(irg, block, cmpH, mode_b, pnc);
1290 dbg = get_irn_dbg_info(node);
1291 irn = new_rd_Cond(dbg, irg, block, irn);
1293 projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
1294 mark_irn_visited(projHT);
1295 exchange(projT, projHT);
1298 projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
1299 mark_irn_visited(projHF);
1301 newbl_eq = new_r_Block(irg, 1, &projHF);
1303 irn = new_r_Proj(irg, newbl_eq, cmpH, mode_b, pn_Cmp_Eq);
1304 irn = new_rd_Cond(dbg, irg, newbl_eq, irn);
1306 proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_false);
1307 mark_irn_visited(proj);
1308 exchange(projF, proj);
1311 proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_true);
1312 mark_irn_visited(proj);
1314 newbl_l = new_r_Block(irg, 1, &proj);
1316 dbg = get_irn_dbg_info(cmp);
1317 cmpL = new_rd_Cmp(dbg, irg, newbl_l, lentry->low_word, rentry->low_word);
1318 irn = new_r_Proj(irg, newbl_l, cmpL, mode_b, pnc);
1319 dbg = get_irn_dbg_info(node);
1320 irn = new_rd_Cond(dbg, irg, newbl_l, irn);
1322 proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_true);
1323 mark_irn_visited(proj);
1324 add_block_cf_input(dstT, projT, proj);
1326 proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_false);
1327 mark_irn_visited(proj);
1328 add_block_cf_input(dstF, projF, proj);
1331 /* we have changed the control flow */
1332 env->flags |= CF_CHANGED;
1335 idx = get_irn_idx(sel);
1337 if (env->entries[idx]) {
1339 Bad, a jump-table with double-word index.
1340 This should not happen, but if it does we handle
1341 it like a Conv were between (in other words, ignore
1345 if (! env->entries[idx]->low_word) {
1346 /* not ready yet, wait */
1347 pdeq_putr(env->waitq, node);
1350 set_Cond_selector(node, env->entries[idx]->low_word);
1356 * Translate a Conv to higher_signed
1358 static void lower_Conv_to_Ls(ir_node *node, lower_env_t *env) {
1359 ir_node *op = get_Conv_op(node);
1360 ir_mode *imode = get_irn_mode(op);
1361 ir_mode *dst_mode = env->params->low_signed;
1362 int idx = get_irn_idx(node);
1363 ir_graph *irg = current_ir_graph;
1364 ir_node *block = get_nodes_block(node);
1365 dbg_info *dbg = get_irn_dbg_info(node);
1367 assert(idx < env->n_entries);
1369 if (mode_is_int(imode) || mode_is_reference(imode)) {
1370 /* simple case: create a high word */
1371 if (imode != dst_mode)
1372 op = new_rd_Conv(dbg, irg, block, op, dst_mode);
1374 env->entries[idx]->low_word = op;
1375 env->entries[idx]->high_word = new_rd_Shrs(dbg, irg, block, op,
1376 new_Const_long(mode_Iu, get_mode_size_bits(dst_mode) - 1), dst_mode);
1379 ir_node *irn, *call;
1380 ir_mode *omode = env->params->high_signed;
1381 ir_type *mtp = get_conv_type(imode, omode, env);
1383 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
1384 call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
1385 set_irn_pinned(call, get_irn_pinned(node));
1386 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
1388 env->entries[idx]->low_word = new_r_Proj(irg, block, irn, dst_mode, 0);
1389 env->entries[idx]->high_word = new_r_Proj(irg, block, irn, dst_mode, 1);
1394 * Translate a Conv to higher_unsigned
1396 static void lower_Conv_to_Lu(ir_node *node, lower_env_t *env) {
1397 ir_node *op = get_Conv_op(node);
1398 ir_mode *imode = get_irn_mode(op);
1399 ir_mode *dst_mode = env->params->low_unsigned;
1400 int idx = get_irn_idx(node);
1401 ir_graph *irg = current_ir_graph;
1402 ir_node *block = get_nodes_block(node);
1403 dbg_info *dbg = get_irn_dbg_info(node);
1405 assert(idx < env->n_entries);
1407 if (mode_is_int(imode) || mode_is_reference(imode)) {
1408 /* simple case: create a high word */
1409 if (imode != dst_mode)
1410 op = new_rd_Conv(dbg, irg, block, op, dst_mode);
1412 env->entries[idx]->low_word = op;
1413 env->entries[idx]->high_word = new_Const(dst_mode, get_mode_null(dst_mode));
1416 ir_node *irn, *call;
1417 ir_mode *omode = env->params->high_unsigned;
1418 ir_type *mtp = get_conv_type(imode, omode, env);
1420 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
1421 call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
1422 set_irn_pinned(call, get_irn_pinned(node));
1423 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
1425 env->entries[idx]->low_word = new_r_Proj(irg, block, irn, dst_mode, 0);
1426 env->entries[idx]->high_word = new_r_Proj(irg, block, irn, dst_mode, 1);
1431 * Translate a Conv from higher_signed
1433 static void lower_Conv_from_Ls(ir_node *node, lower_env_t *env) {
1434 ir_node *op = get_Conv_op(node);
1435 ir_mode *omode = get_irn_mode(node);
1436 ir_node *block = get_nodes_block(node);
1437 dbg_info *dbg = get_irn_dbg_info(node);
1438 int idx = get_irn_idx(op);
1439 ir_graph *irg = current_ir_graph;
1441 assert(idx < env->n_entries);
1443 if (mode_is_int(omode) || mode_is_reference(omode)) {
1444 op = env->entries[idx]->low_word;
1446 /* simple case: create a high word */
1447 if (omode != env->params->low_signed)
1448 op = new_rd_Conv(dbg, irg, block, op, omode);
1450 set_Conv_op(node, op);
1453 ir_node *irn, *call, *in[2];
1454 ir_mode *imode = env->params->high_signed;
1455 ir_type *mtp = get_conv_type(imode, omode, env);
1457 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
1458 in[0] = env->entries[idx]->low_word;
1459 in[1] = env->entries[idx]->high_word;
1461 call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
1462 set_irn_pinned(call, get_irn_pinned(node));
1463 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
1465 exchange(node, new_r_Proj(irg, block, irn, omode, 0));
1470 * Translate a Conv from higher_unsigned
1472 static void lower_Conv_from_Lu(ir_node *node, lower_env_t *env) {
1473 ir_node *op = get_Conv_op(node);
1474 ir_mode *omode = get_irn_mode(node);
1475 ir_node *block = get_nodes_block(node);
1476 dbg_info *dbg = get_irn_dbg_info(node);
1477 int idx = get_irn_idx(op);
1478 ir_graph *irg = current_ir_graph;
1480 assert(idx < env->n_entries);
1482 if (mode_is_int(omode) || mode_is_reference(omode)) {
1483 op = env->entries[idx]->low_word;
1485 /* simple case: create a high word */
1486 if (omode != env->params->low_unsigned)
1487 op = new_rd_Conv(dbg, irg, block, op, omode);
1489 set_Conv_op(node, op);
1492 ir_node *irn, *call, *in[2];
1493 ir_mode *imode = env->params->high_unsigned;
1494 ir_type *mtp = get_conv_type(imode, omode, env);
1496 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
1497 in[0] = env->entries[idx]->low_word;
1498 in[1] = env->entries[idx]->high_word;
1500 call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
1501 set_irn_pinned(call, get_irn_pinned(node));
1502 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
1504 exchange(node, new_r_Proj(irg, block, irn, omode, 0));
1511 static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env) {
1512 mode = get_irn_mode(node);
1514 if (mode == env->params->high_signed)
1515 lower_Conv_to_Ls(node, env);
1516 else if (mode == env->params->high_unsigned)
1517 lower_Conv_to_Lu(node, env);
1519 ir_mode *mode = get_irn_mode(get_Conv_op(node));
1521 if (mode == env->params->high_signed)
1522 lower_Conv_from_Ls(node, env);
1524 assert(mode == env->params->high_unsigned);
1525 lower_Conv_from_Lu(node, env);
1531 * Lower the method type.
1533 static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) {
1538 if (is_lowered_type(mtp))
1541 entry = pmap_find(lowered_type, mtp);
1543 int i, n, r, n_param, n_res;
1545 /* count new number of params */
1546 n_param = n = get_method_n_params(mtp);
1547 for (i = n_param - 1; i >= 0; --i) {
1548 ir_type *tp = get_method_param_type(mtp, i);
1550 if (is_Primitive_type(tp)) {
1551 ir_mode *mode = get_type_mode(tp);
1553 if (mode == env->params->high_signed ||
1554 mode == env->params->high_unsigned)
1559 /* count new number of results */
1560 n_res = r = get_method_n_ress(mtp);
1561 for (i = n_res - 1; i >= 0; --i) {
1562 ir_type *tp = get_method_res_type(mtp, i);
1564 if (is_Primitive_type(tp)) {
1565 ir_mode *mode = get_type_mode(tp);
1567 if (mode == env->params->high_signed ||
1568 mode == env->params->high_unsigned)
1573 id = mangle_u(new_id_from_chars("L", 1), get_type_ident(mtp));
1574 res = new_type_method(id, n_param, n_res);
1576 /* set param types and result types */
1577 for (i = n_param = 0; i < n; ++i) {
1578 ir_type *tp = get_method_param_type(mtp, i);
1580 if (is_Primitive_type(tp)) {
1581 ir_mode *mode = get_type_mode(tp);
1583 if (mode == env->params->high_signed) {
1584 set_method_param_type(res, n_param++, tp_s);
1585 set_method_param_type(res, n_param++, tp_s);
1587 else if (mode == env->params->high_unsigned) {
1588 set_method_param_type(res, n_param++, tp_u);
1589 set_method_param_type(res, n_param++, tp_u);
1592 set_method_param_type(res, n_param++, tp);
1595 set_method_param_type(res, n_param++, tp);
1597 for (i = n_res = 0; i < r; ++i) {
1598 ir_type *tp = get_method_res_type(mtp, i);
1600 if (is_Primitive_type(tp)) {
1601 ir_mode *mode = get_type_mode(tp);
1603 if (mode == env->params->high_signed) {
1604 set_method_res_type(res, n_res++, tp_s);
1605 set_method_res_type(res, n_res++, tp_s);
1607 else if (mode == env->params->high_unsigned) {
1608 set_method_res_type(res, n_res++, tp_u);
1609 set_method_res_type(res, n_res++, tp_u);
1612 set_method_res_type(res, n_res++, tp);
1615 set_method_res_type(res, n_res++, tp);
1617 set_lowered_type(mtp, res);
1618 pmap_insert(lowered_type, mtp, res);
1626 * Translate a Return.
1628 static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env) {
1629 ir_graph *irg = current_ir_graph;
1630 entity *ent = get_irg_entity(irg);
1631 ir_type *mtp = get_entity_type(ent);
1636 /* check if this return must be lowered */
1637 for (i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1638 ir_node *pred = get_Return_res(node, i);
1639 ir_mode *mode = get_irn_op_mode(pred);
1641 if (mode == env->params->high_signed ||
1642 mode == env->params->high_unsigned) {
1643 idx = get_irn_idx(pred);
1644 if (! env->entries[idx]->low_word) {
1645 /* not ready yet, wait */
1646 pdeq_putr(env->waitq, node);
1655 ent = get_irg_entity(irg);
1656 mtp = get_entity_type(ent);
1658 mtp = lower_mtp(mtp, env);
1659 set_entity_type(ent, mtp);
1661 /* create a new in array */
1662 NEW_ARR_A(ir_node *, in, get_method_n_ress(mtp) + 1);
1663 in[0] = get_Return_mem(node);
1665 for (j = i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1666 ir_node *pred = get_Return_res(node, i);
1668 idx = get_irn_idx(pred);
1669 assert(idx < env->n_entries);
1671 if (env->entries[idx]) {
1672 in[++j] = env->entries[idx]->low_word;
1673 in[++j] = env->entries[idx]->high_word;
1679 set_irn_in(node, j+1, in);
1683 * Translate the parameters.
1685 static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env) {
1686 ir_graph *irg = current_ir_graph;
1687 entity *ent = get_irg_entity(irg);
1688 ir_type *tp = get_entity_type(ent);
1691 int i, j, n_params, rem;
1692 ir_node *proj, *args;
1694 if (is_lowered_type(tp))
1695 mtp = get_associated_type(tp);
1699 assert(! is_lowered_type(mtp));
1701 n_params = get_method_n_params(mtp);
1705 NEW_ARR_A(long, new_projs, n_params);
1707 /* first check if we have parameters that must be fixed */
1708 for (i = j = 0; i < n_params; ++i, ++j) {
1709 ir_type *tp = get_method_param_type(mtp, i);
1712 if (is_Primitive_type(tp)) {
1713 ir_mode *mode = get_type_mode(tp);
1715 if (mode == env->params->high_signed ||
1716 mode == env->params->high_unsigned)
1723 mtp = lower_mtp(mtp, env);
1724 set_entity_type(ent, mtp);
1726 /* switch off optimization for new Proj nodes or they might be CSE'ed
1727 with not patched one's */
1728 rem = get_optimize();
1731 /* ok, fix all Proj's and create new ones */
1732 args = get_irg_args(irg);
1733 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
1734 ir_node *pred = get_Proj_pred(proj);
1740 /* do not visit this node again */
1741 mark_irn_visited(proj);
1746 proj_nr = get_Proj_proj(proj);
1747 set_Proj_proj(proj, new_projs[proj_nr]);
1749 idx = get_irn_idx(proj);
1750 if (env->entries[idx]) {
1751 mode = get_irn_mode(proj);
1753 if (mode == env->params->high_signed)
1754 mode = env->params->low_signed;
1756 mode = env->params->low_unsigned;
1758 dbg = get_irn_dbg_info(proj);
1759 env->entries[idx]->low_word =
1760 new_rd_Proj(dbg, irg, get_nodes_block(proj), args, mode, new_projs[proj_nr]);
1761 env->entries[idx]->high_word =
1762 new_rd_Proj(dbg, irg, get_nodes_block(proj), args, mode, new_projs[proj_nr] + 1);
1771 static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) {
1772 ir_graph *irg = current_ir_graph;
1773 ir_type *tp = get_Call_type(node);
1775 ir_node **in, *proj, *results;
1776 int n_params, n_res, need_lower = 0;
1778 long *res_numbers = NULL;
1780 if (is_lowered_type(tp))
1781 call_tp = get_associated_type(tp);
1785 assert(! is_lowered_type(call_tp));
1787 n_params = get_method_n_params(call_tp);
1788 for (i = 0; i < n_params; ++i) {
1789 ir_type *tp = get_method_param_type(call_tp, i);
1791 if (is_Primitive_type(tp)) {
1792 ir_mode *mode = get_type_mode(tp);
1794 if (mode == env->params->high_signed ||
1795 mode == env->params->high_unsigned) {
1801 n_res = get_method_n_ress(call_tp);
1803 NEW_ARR_A(long, res_numbers, n_res);
1805 for (i = j = 0; i < n_res; ++i, ++j) {
1806 ir_type *tp = get_method_res_type(call_tp, i);
1809 if (is_Primitive_type(tp)) {
1810 ir_mode *mode = get_type_mode(tp);
1812 if (mode == env->params->high_signed ||
1813 mode == env->params->high_unsigned) {
1824 /* let's lower it */
1825 call_tp = lower_mtp(call_tp, env);
1826 set_Call_type(node, call_tp);
1828 NEW_ARR_A(ir_node *, in, get_method_n_params(call_tp) + 2);
1830 in[0] = get_Call_mem(node);
1831 in[1] = get_Call_ptr(node);
1833 for (j = 2, i = 0; i < n_params; ++i) {
1834 ir_node *pred = get_Call_param(node, i);
1835 int idx = get_irn_idx(pred);
1837 if (env->entries[idx]) {
1838 if (! env->entries[idx]->low_word) {
1839 /* not ready yet, wait */
1840 pdeq_putr(env->waitq, node);
1843 in[j++] = env->entries[idx]->low_word;
1844 in[j++] = env->entries[idx]->high_word;
1850 set_irn_in(node, j, in);
1852 /* fix the results */
1854 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
1855 long proj_nr = get_Proj_proj(proj);
1857 if (proj_nr == pn_Call_T_result && get_Proj_pred(proj) == node) {
1858 /* found the result proj */
1864 if (results) { /* there are results */
1865 int rem = get_optimize();
1867 /* switch off optimization for new Proj nodes or they might be CSE'ed
1868 with not patched one's */
1870 for (i = j = 0, proj = get_irn_link(results); proj; proj = get_irn_link(proj), ++i, ++j) {
1871 if (get_Proj_pred(proj) == results) {
1872 long proj_nr = get_Proj_proj(proj);
1875 /* found a result */
1876 set_Proj_proj(proj, res_numbers[proj_nr]);
1877 idx = get_irn_idx(proj);
1878 if (env->entries[idx]) {
1879 ir_mode *mode = get_irn_mode(proj);
1882 if (mode == env->params->high_signed)
1883 mode = env->params->low_signed;
1885 mode = env->params->low_unsigned;
1887 dbg = get_irn_dbg_info(proj);
1888 env->entries[idx]->low_word =
1889 new_rd_Proj(dbg, irg, get_nodes_block(proj), results, mode, res_numbers[proj_nr]);
1890 env->entries[idx]->high_word =
1891 new_rd_Proj(dbg, irg, get_nodes_block(proj), results, mode, res_numbers[proj_nr] + 1);
1893 mark_irn_visited(proj);
1901 * Translate an Unknown into two.
1903 static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env) {
1904 int idx = get_irn_idx(node);
1906 env->entries[idx]->low_word =
1907 env->entries[idx]->high_word = new_r_Unknown(current_ir_graph, mode);
1913 * First step: just create two templates
1915 static void lower_Phi(ir_node *phi, ir_mode *mode, lower_env_t *env) {
1916 ir_node *block, *unk;
1917 ir_node **inl, **inh;
1919 int idx, i, arity = get_Phi_n_preds(phi);
1922 idx = get_irn_idx(phi);
1923 if (env->entries[idx]->low_word) {
1924 /* Phi nodes already build, check for inputs */
1925 ir_node *phil = env->entries[idx]->low_word;
1926 ir_node *phih = env->entries[idx]->high_word;
1928 for (i = 0; i < arity; ++i) {
1929 ir_node *pred = get_Phi_pred(phi, i);
1930 int idx = get_irn_idx(pred);
1932 if (env->entries[idx]->low_word) {
1933 set_Phi_pred(phil, i, env->entries[idx]->low_word);
1934 set_Phi_pred(phil, i, env->entries[idx]->high_word);
1937 /* still not ready */
1938 pdeq_putr(env->waitq, phi);
1944 /* first create a new in array */
1945 NEW_ARR_A(ir_node *, inl, arity);
1946 NEW_ARR_A(ir_node *, inh, arity);
1947 unk = new_r_Unknown(current_ir_graph, mode);
1949 for (i = 0; i < arity; ++i) {
1950 ir_node *pred = get_Phi_pred(phi, i);
1951 int idx = get_irn_idx(pred);
1953 if (env->entries[idx]->low_word) {
1954 inl[i] = env->entries[idx]->low_word;
1955 inh[i] = env->entries[idx]->high_word;
1964 dbg = get_irn_dbg_info(phi);
1965 block = get_nodes_block(phi);
1967 idx = get_irn_idx(phi);
1968 assert(idx < env->n_entries);
1969 env->entries[idx]->low_word = new_rd_Phi(dbg, current_ir_graph, block, arity, inl, mode);
1970 env->entries[idx]->high_word = new_rd_Phi(dbg, current_ir_graph, block, arity, inh, mode);
1973 /* not yet finished */
1974 pdeq_putr(env->waitq, phi);
1979 * check for opcodes that must always be lowered.
1981 static int always_lower(opcode code) {
1993 /** The type of a lower function. */
1994 typedef void (*lower_func)(ir_node *node, ir_mode *mode, lower_env_t *env);
1999 static void lower_ops(ir_node *node, void *env)
2001 lower_env_t *lenv = env;
2002 node_entry_t *entry;
2003 int idx = get_irn_idx(node);
2005 entry = lenv->entries[idx];
2006 if (entry || always_lower(get_irn_opcode(node))) {
2007 ir_op *op = get_irn_op(node);
2008 lower_func func = (lower_func)op->ops.generic;
2011 ir_mode *mode = get_irn_op_mode(node);
2013 if (mode == lenv->params->high_signed)
2014 mode = lenv->params->low_signed;
2016 mode = lenv->params->low_unsigned;
2018 DB((dbg, LEVEL_1, " %+F\n", node));
2019 func(node, mode, lenv);
2024 #define IDENT(s) new_id_from_chars(s, sizeof(s)-1)
2027 * Compare two op_mode_entry_t's.
2029 static int cmp_op_mode(const void *elt, const void *key, size_t size) {
2030 const op_mode_entry_t *e1 = elt;
2031 const op_mode_entry_t *e2 = key;
2033 return (e1->op - e2->op) | (e1->imode - e2->imode) | (e1->omode - e2->omode);
2037 * Compare two conv_tp_entry_t's.
2039 static int cmp_conv_tp(const void *elt, const void *key, size_t size) {
2040 const conv_tp_entry_t *e1 = elt;
2041 const conv_tp_entry_t *e2 = key;
2043 return (e1->imode - e2->imode) | (e1->omode - e2->omode);
2049 void lower_dw_ops(const lwrdw_param_t *param)
2057 if (! param->enable)
2060 FIRM_DBG_REGISTER(dbg, "firm.lower.dw");
2062 assert(2 * get_mode_size_bits(param->low_signed) == get_mode_size_bits(param->high_signed));
2063 assert(2 * get_mode_size_bits(param->low_unsigned) == get_mode_size_bits(param->high_unsigned));
2064 assert(get_mode_size_bits(param->low_signed) == get_mode_size_bits(param->low_unsigned));
2067 prim_types = pmap_create();
2068 if (! intrinsic_fkt)
2069 intrinsic_fkt = new_set(cmp_op_mode, iro_MaxOpcode);
2071 conv_types = new_set(cmp_conv_tp, 16);
2073 lowered_type = pmap_create();
2076 tp_u = get_primitive_type(param->low_unsigned);
2078 tp_s = get_primitive_type(param->low_signed);
2082 binop_tp_u = new_type_method(IDENT("binop_u_intrinsic"), 4, 2);
2083 set_method_param_type(binop_tp_u, 0, tp_u);
2084 set_method_param_type(binop_tp_u, 1, tp_u);
2085 set_method_param_type(binop_tp_u, 2, tp_u);
2086 set_method_param_type(binop_tp_u, 3, tp_u);
2087 set_method_res_type(binop_tp_u, 0, tp_u);
2088 set_method_res_type(binop_tp_u, 1, tp_u);
2091 binop_tp_s = new_type_method(IDENT("binop_s_intrinsic"), 4, 2);
2092 set_method_param_type(binop_tp_s, 0, tp_s);
2093 set_method_param_type(binop_tp_s, 1, tp_s);
2094 set_method_param_type(binop_tp_s, 2, tp_s);
2095 set_method_param_type(binop_tp_s, 3, tp_s);
2096 set_method_res_type(binop_tp_s, 0, tp_s);
2097 set_method_res_type(binop_tp_s, 1, tp_s);
2099 if (! shiftop_tp_u) {
2100 shiftop_tp_u = new_type_method(IDENT("shiftop_u_intrinsic"), 3, 2);
2101 set_method_param_type(shiftop_tp_u, 0, tp_u);
2102 set_method_param_type(shiftop_tp_u, 1, tp_u);
2103 set_method_param_type(shiftop_tp_u, 2, tp_u);
2104 set_method_res_type(shiftop_tp_u, 0, tp_u);
2105 set_method_res_type(shiftop_tp_u, 1, tp_u);
2107 if (! shiftop_tp_s) {
2108 shiftop_tp_s = new_type_method(IDENT("shiftop_s_intrinsic"), 3, 2);
2109 set_method_param_type(shiftop_tp_s, 0, tp_s);
2110 set_method_param_type(shiftop_tp_s, 1, tp_s);
2111 /* beware: shift count is always mode_Iu */
2112 set_method_param_type(shiftop_tp_s, 2, tp_u);
2113 set_method_res_type(shiftop_tp_s, 0, tp_s);
2114 set_method_res_type(shiftop_tp_s, 1, tp_s);
2117 unop_tp_u = new_type_method(IDENT("unop_u_intrinsic"), 2, 2);
2118 set_method_param_type(unop_tp_u, 0, tp_u);
2119 set_method_param_type(unop_tp_u, 1, tp_u);
2120 set_method_res_type(unop_tp_u, 0, tp_u);
2121 set_method_res_type(unop_tp_u, 1, tp_u);
2124 unop_tp_s = new_type_method(IDENT("unop_s_intrinsic"), 2, 2);
2125 set_method_param_type(unop_tp_s, 0, tp_s);
2126 set_method_param_type(unop_tp_s, 1, tp_s);
2127 set_method_res_type(unop_tp_s, 0, tp_s);
2128 set_method_res_type(unop_tp_s, 1, tp_s);
2131 lenv.tv_mode_bytes = new_tarval_from_long(get_mode_size_bytes(param->low_unsigned), mode_Iu);
2132 lenv.tv_mode_bits = new_tarval_from_long(get_mode_size_bits(param->low_unsigned), mode_Iu);
2133 lenv.waitq = new_pdeq();
2134 lenv.params = param;
2136 /* first clear the generic function pointer for all ops */
2137 clear_irp_opcodes_generic_func();
2139 #define LOWER2(op, fkt) op_##op->ops.generic = (op_func)fkt
2140 #define LOWER(op) LOWER2(op, lower_##op)
2141 #define LOWER_BIN(op) LOWER2(op, lower_Binop)
2142 #define LOWER_UN(op) LOWER2(op, lower_Unop)
2178 /* transform all graphs */
2179 for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
2180 ir_graph *irg = get_irp_irg(i);
2183 obstack_init(&lenv.obst);
2185 n_idx = get_irg_last_idx(irg);
2186 lenv.n_entries = n_idx;
2187 lenv.entries = xmalloc(n_idx * sizeof(lenv.entries[0]));
2188 memset(lenv.entries, 0, n_idx * sizeof(lenv.entries[0]));
2190 /* first step: link all nodes and allocate data */
2192 lenv.proj_2_block = pmap_create();
2193 irg_walk_graph(irg, firm_clear_link, prepare_links, &lenv);
2195 if (lenv.flags & MUST_BE_LOWERED) {
2196 DB((dbg, LEVEL_1, "Lowering graph %+F\n", irg));
2198 /* must do some work */
2199 irg_walk_graph(irg, NULL, lower_ops, &lenv);
2201 /* last step: all waiting nodes */
2202 DB((dbg, LEVEL_1, "finishing waiting nodes:\n"));
2203 while (! pdeq_empty(lenv.waitq)) {
2204 ir_node *node = pdeq_getl(lenv.waitq);
2206 lower_ops(node, &lenv);
2209 /* outs are invalid, we changed the graph */
2210 set_irg_outs_inconsistent(irg);
2212 if (lenv.flags & CF_CHANGED) {
2213 /* control flow changed, dominance info is invalid */
2214 set_irg_doms_inconsistent(irg);
2215 set_irg_extblk_inconsistent(irg);
2216 set_irg_loopinfo_inconsistent(irg);
2219 dump_ir_block_graph(irg, "-dw");
2221 pmap_destroy(lenv.proj_2_block);
2223 obstack_free(&lenv.obst, NULL);
2225 del_pdeq(lenv.waitq);
2228 /* Default implementation. */
2229 entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
2230 const ir_mode *imode, const ir_mode *omode,
2238 snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(imode));
2240 snprintf(buf, sizeof(buf), "__l%s%s%s", get_op_name(op),
2241 get_mode_name(imode), get_mode_name(omode));
2242 id = new_id_from_str(buf);
2244 ent = new_entity(get_glob_type(), id, method);
2245 set_entity_ld_ident(ent, get_entity_ident(ent));
2246 set_entity_visibility(ent, visibility_external_allocated);