3 * File name: ir/lower/lower_dw.c
4 * Purpose: Lower Double word operations, ie Mode L -> I.
8 * Copyright: (c) 1998-2006 Universität Karlsruhe
9 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
31 #include "irgraph_t.h"
36 #include "dbginfo_t.h"
37 #include "iropt_dbg.h"
51 /** A map from mode to a primitive type. */
52 static pmap *prim_types;
54 /** A map from (op, imode, omode) to Intrinsic functions entities. */
55 static set *intrinsic_fkt;
57 /** A map from (imode, omode) to conv function types. */
58 static set *conv_types;
60 /** A map from a method type to its lowered type. */
61 static pmap *lowered_type;
63 /** The types for the binop and unop intrinsics. */
64 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;
66 /** the debug handle */
67 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
70 * An entry in the (op, imode, omode) -> entity map.
72 typedef struct _op_mode_entry {
73 const ir_op *op; /**< the op */
74 const ir_mode *imode; /**< the input mode */
75 const ir_mode *omode; /**< the output mode */
76 entity *ent; /**< the associated entity of this (op, imode, omode) triple */
80 * An entry in the (imode, omode) -> tp map.
82 typedef struct _conv_tp_entry {
83 const ir_mode *imode; /**< the input mode */
84 const ir_mode *omode; /**< the output mode */
85 ir_type *mtd; /**< the associated method type of this (imode, omode) pair */
89 * Every double word node will be replaced,
90 * we need some store to hold the replacement:
92 typedef struct _node_entry_t {
93 ir_node *low_word; /**< the low word */
94 ir_node *high_word; /**< the high word */
98 MUST_BE_LOWERED = 1, /**< graph must be lowered */
99 CF_CHANGED = 2, /**< control flow was changed */
103 * The lower environment.
105 typedef struct _lower_env_t {
106 node_entry_t **entries; /**< entries per node */
107 struct obstack obst; /**< an obstack holding the temporary data */
108 tarval *tv_mode_bytes; /**< a tarval containing the number of bytes in the lowered modes */
109 tarval *tv_mode_bits; /**< a tarval containing the number of bits in the lowered modes */
110 pdeq *waitq; /**< a wait queue of all nodes that must be handled later */
111 pmap *proj_2_block; /**< a map from ProjX to its destination blocks */
112 const lwrdw_param_t *params; /**< transformation parameter */
113 unsigned flags; /**< some flags */
114 int n_entries; /**< number of entries */
118 * Get a primitive mode for a mode.
120 static ir_type *get_primitive_type(ir_mode *mode) {
121 pmap_entry *entry = pmap_find(prim_types, mode);
128 snprintf(buf, sizeof(buf), "_prim_%s", get_mode_name(mode));
129 tp = new_type_primitive(new_id_from_str(buf), mode);
131 pmap_insert(prim_types, mode, tp);
133 } /* get_primitive_type */
136 * Create a method type for a Conv emulation from imode to omode.
138 static ir_type *get_conv_type(ir_mode *imode, ir_mode *omode, lower_env_t *env) {
139 conv_tp_entry_t key, *entry;
146 entry = set_insert(conv_types, &key, sizeof(key), HASH_PTR(imode) ^ HASH_PTR(omode));
148 int n_param = 1, n_res = 1;
151 if (imode == env->params->high_signed || imode == env->params->high_unsigned)
153 if (omode == env->params->high_signed || omode == env->params->high_unsigned)
156 /* create a new one */
157 snprintf(buf, sizeof(buf), "LConv%s%s", get_mode_name(imode), get_mode_name(omode));
158 mtd = new_type_method(new_id_from_str(buf), n_param, n_res);
160 /* set param types and result types */
162 if (imode == env->params->high_signed) {
163 set_method_param_type(mtd, n_param++, tp_s);
164 set_method_param_type(mtd, n_param++, tp_s);
165 } else if (imode == env->params->high_unsigned) {
166 set_method_param_type(mtd, n_param++, tp_u);
167 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);
177 } else if (omode == env->params->high_unsigned) {
178 set_method_res_type(mtd, n_res++, tp_u);
179 set_method_res_type(mtd, n_res++, tp_u);
181 ir_type *tp = get_primitive_type(omode);
182 set_method_res_type(mtd, n_res++, tp);
189 } /* get_conv_type */
192 * Add an additional control flow input to a block.
193 * Patch all Phi nodes. The new Phi inputs are copied from
194 * old input number nr.
196 static void add_block_cf_input_nr(ir_node *block, int nr, ir_node *cf)
198 int i, arity = get_irn_arity(block);
203 NEW_ARR_A(ir_node *, in, arity + 1);
204 for (i = 0; i < arity; ++i)
205 in[i] = get_irn_n(block, i);
208 set_irn_in(block, i + 1, in);
210 for (phi = get_irn_link(block); phi; phi = get_irn_link(phi)) {
211 for (i = 0; i < arity; ++i)
212 in[i] = get_irn_n(phi, i);
214 set_irn_in(phi, i + 1, in);
216 } /* add_block_cf_input_nr */
219 * Add an additional control flow input to a block.
220 * Patch all Phi nodes. The new Phi inputs are copied from
221 * old input from cf tmpl.
223 static void add_block_cf_input(ir_node *block, ir_node *tmpl, ir_node *cf)
225 int i, arity = get_irn_arity(block);
228 for (i = 0; i < arity; ++i) {
229 if (get_irn_n(block, i) == tmpl) {
235 add_block_cf_input_nr(block, nr, cf);
236 } /* add_block_cf_input */
239 * Return the "operational" mode of a Firm node.
241 static ir_mode *get_irn_op_mode(ir_node *node)
243 switch (get_irn_opcode(node)) {
245 return get_Load_mode(node);
247 return get_irn_mode(get_Store_value(node));
249 return get_irn_mode(get_DivMod_left(node));
251 return get_irn_mode(get_Div_left(node));
253 return get_irn_mode(get_Mod_left(node));
255 return get_irn_mode(get_Cmp_left(node));
257 return get_irn_mode(node);
259 } /* get_irn_op_mode */
262 * Walker, prepare the node links.
264 static void prepare_links(ir_node *node, void *env)
266 lower_env_t *lenv = env;
267 ir_mode *mode = get_irn_op_mode(node);
271 if (mode == lenv->params->high_signed ||
272 mode == lenv->params->high_unsigned) {
273 /* ok, found a node that will be lowered */
274 link = obstack_alloc(&lenv->obst, sizeof(*link));
276 memset(link, 0, sizeof(*link));
278 lenv->entries[get_irn_idx(node)] = link;
279 lenv->flags |= MUST_BE_LOWERED;
280 } else if (get_irn_op(node) == op_Conv) {
281 /* Conv nodes have two modes */
282 ir_node *pred = get_Conv_op(node);
283 mode = get_irn_mode(pred);
285 if (mode == lenv->params->high_signed ||
286 mode == lenv->params->high_unsigned) {
287 /* must lower this node either but don't need a link */
288 lenv->flags |= MUST_BE_LOWERED;
294 /* link all Proj nodes to its predecessor:
295 Note that Tuple Proj's and its Projs are linked either. */
296 ir_node *pred = get_Proj_pred(node);
298 set_irn_link(node, get_irn_link(pred));
299 set_irn_link(pred, node);
300 } else if (is_Phi(node)) {
301 /* link all Phi nodes to its block */
302 ir_node *block = get_nodes_block(node);
304 set_irn_link(node, get_irn_link(block));
305 set_irn_link(block, node);
306 } else if (is_Block(node)) {
307 /* fill the Proj -> Block map */
308 for (i = get_Block_n_cfgpreds(node) - 1; i >= 0; --i) {
309 ir_node *pred = get_Block_cfgpred(node, i);
312 pmap_insert(lenv->proj_2_block, pred, node);
316 /* handle support for Psi nodes */
317 if (mode == mode_b || get_irn_op(node) == op_Psi) {
318 for (i = get_irn_arity(node) - 1; i >= 0; --i) {
319 ir_node *proj = get_irn_n(node, i);
322 ir_node *cmp = get_Proj_pred(proj);
325 ir_node *l = get_Cmp_left(cmp);
326 mode = get_irn_mode(l);
328 if (mode == lenv->params->high_signed ||
329 mode == lenv->params->high_unsigned) {
330 /* ok, found a node that will be lowered */
332 int rem = get_optimize();
336 get_irn_dbg_info(proj),
338 get_nodes_block(proj),
341 get_Proj_proj(proj));
344 set_irn_n(node, i, nproj);
345 lenv->flags |= MUST_BE_LOWERED;
351 } /* prepare_links */
354 * Translate a Constant: create two.
356 static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env) {
357 tarval *tv, *tv_l, *tv_h;
359 dbg_info *dbg = get_irn_dbg_info(node);
360 ir_node *block = get_nodes_block(node);
362 ir_graph *irg = current_ir_graph;
364 tv = get_Const_tarval(node);
366 tv_l = tarval_convert_to(tv, mode);
367 low = new_rd_Const(dbg, irg, block, mode, tv_l);
369 tv_h = tarval_convert_to(tarval_shrs(tv, env->tv_mode_bits), mode);
370 high = new_rd_Const(dbg, irg, block, mode, tv_h);
372 idx = get_irn_idx(node);
373 assert(idx < env->n_entries);
374 env->entries[idx]->low_word = low;
375 env->entries[idx]->high_word = high;
379 * Translate a Load: create two.
381 static void lower_Load(ir_node *node, ir_mode *mode, lower_env_t *env) {
382 ir_graph *irg = current_ir_graph;
383 ir_node *adr = get_Load_ptr(node);
384 ir_node *mem = get_Load_mem(node);
385 ir_node *low, *high, *proj;
387 ir_node *block = get_nodes_block(node);
390 if (env->params->little_endian) {
392 high = new_r_Add(irg, block, adr,
393 new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
396 low = new_r_Add(irg, block, adr,
397 new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
402 /* create two loads */
403 dbg = get_irn_dbg_info(node);
404 low = new_rd_Load(dbg, irg, block, mem, low, mode);
405 proj = new_r_Proj(irg, block, low, mode_M, pn_Load_M);
406 high = new_rd_Load(dbg, irg, block, proj, high, mode);
408 set_Load_volatility(low, get_Load_volatility(node));
409 set_Load_volatility(high, get_Load_volatility(node));
411 idx = get_irn_idx(node);
412 assert(idx < env->n_entries);
413 env->entries[idx]->low_word = low;
414 env->entries[idx]->high_word = high;
416 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
417 idx = get_irn_idx(proj);
419 switch (get_Proj_proj(proj)) {
420 case pn_Load_M: /* Memory result. */
421 /* put it to the second one */
422 set_Proj_pred(proj, high);
424 case pn_Load_X_except: /* Execution result if exception occurred. */
425 /* put it to the first one */
426 set_Proj_pred(proj, low);
428 case pn_Load_res: /* Result of load operation. */
429 assert(idx < env->n_entries);
430 env->entries[idx]->low_word = new_r_Proj(irg, block, low, mode, pn_Load_res);
431 env->entries[idx]->high_word = new_r_Proj(irg, block, high, mode, pn_Load_res);
434 assert(0 && "unexpected Proj number");
436 /* mark this proj: we have handled it already, otherwise we might fall into
438 mark_irn_visited(proj);
443 * Translate a Store: create two.
445 static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env) {
447 ir_node *block, *adr, *mem;
448 ir_node *low, *high, *irn, *proj;
453 irn = get_Store_value(node);
454 entry = env->entries[get_irn_idx(irn)];
457 if (! entry->low_word) {
458 /* not ready yet, wait */
459 pdeq_putr(env->waitq, node);
463 irg = current_ir_graph;
464 adr = get_Store_ptr(node);
465 mem = get_Store_mem(node);
466 block = get_nodes_block(node);
468 if (env->params->little_endian) {
470 high = new_r_Add(irg, block, adr,
471 new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
474 low = new_r_Add(irg, block, adr,
475 new_r_Const(irg, block, get_tarval_mode(env->tv_mode_bytes), env->tv_mode_bytes),
480 /* create two Stores */
481 dbg = get_irn_dbg_info(node);
482 low = new_rd_Store(dbg, irg, block, mem, low, entry->low_word);
483 proj = new_r_Proj(irg, block, low, mode_M, pn_Store_M);
484 high = new_rd_Store(dbg, irg, block, proj, high, entry->high_word);
486 set_Store_volatility(low, get_Store_volatility(node));
487 set_Store_volatility(high, get_Store_volatility(node));
489 idx = get_irn_idx(node);
490 assert(idx < env->n_entries);
491 env->entries[idx]->low_word = low;
492 env->entries[idx]->high_word = high;
494 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
495 idx = get_irn_idx(proj);
497 switch (get_Proj_proj(proj)) {
498 case pn_Store_M: /* Memory result. */
499 /* put it to the second one */
500 set_Proj_pred(proj, high);
502 case pn_Store_X_except: /* Execution result if exception occurred. */
503 /* put it to the first one */
504 set_Proj_pred(proj, low);
507 assert(0 && "unexpected Proj number");
509 /* mark this proj: we have handled it already, otherwise we might fall into
511 mark_irn_visited(proj);
516 * Return a node containing the address of the intrinsic emulation function.
518 * @param method the method type of the emulation function
519 * @param op the emulated ir_op
520 * @param imode the input mode of the emulated opcode
521 * @param omode the output mode of the emulated opcode
522 * @param block where the new mode is created
523 * @param env the lower environment
525 static ir_node *get_intrinsic_address(ir_type *method, ir_op *op,
526 ir_mode *imode, ir_mode *omode,
527 ir_node *block, lower_env_t *env) {
530 op_mode_entry_t key, *entry;
537 entry = set_insert(intrinsic_fkt, &key, sizeof(key),
538 HASH_PTR(op) ^ HASH_PTR(imode) ^ (HASH_PTR(omode) << 8));
540 /* create a new one */
541 ent = env->params->create_intrinsic(method, op, imode, omode, env->params->ctx);
543 assert(ent && "Intrinsic creator must return an entity");
549 return new_r_SymConst(current_ir_graph, block, sym, symconst_addr_ent);
550 } /* get_intrinsic_address */
555 * Create an intrinsic Call.
557 static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env) {
558 ir_node *block, *irn, *call, *proj;
567 irn = get_Div_left(node);
568 entry = env->entries[get_irn_idx(irn)];
571 if (! entry->low_word) {
572 /* not ready yet, wait */
573 pdeq_putr(env->waitq, node);
577 in[0] = entry->low_word;
578 in[1] = entry->high_word;
580 irn = get_Div_right(node);
581 entry = env->entries[get_irn_idx(irn)];
584 if (! entry->low_word) {
585 /* not ready yet, wait */
586 pdeq_putr(env->waitq, node);
590 in[2] = entry->low_word;
591 in[3] = entry->high_word;
593 dbg = get_irn_dbg_info(node);
594 block = get_nodes_block(node);
595 irg = current_ir_graph;
597 mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
598 opmode = get_irn_op_mode(node);
599 irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, block, env);
600 call = new_rd_Call(dbg, irg, block, get_Div_mem(node),
602 set_irn_pinned(call, get_irn_pinned(node));
603 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
605 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
606 switch (get_Proj_proj(proj)) {
607 case pn_Div_M: /* Memory result. */
608 /* reroute to the call */
609 set_Proj_pred(proj, call);
610 set_Proj_proj(proj, pn_Call_M_except);
612 case pn_Div_X_except: /* Execution result if exception occurred. */
613 /* reroute to the call */
614 set_Proj_pred(proj, call);
615 set_Proj_proj(proj, pn_Call_X_except);
617 case pn_Div_res: /* Result of computation. */
618 idx = get_irn_idx(proj);
619 assert(idx < env->n_entries);
620 env->entries[idx]->low_word = new_r_Proj(current_ir_graph, block, irn, mode, 0);
621 env->entries[idx]->high_word = new_r_Proj(current_ir_graph, block, irn, mode, 1);
624 assert(0 && "unexpected Proj number");
626 /* mark this proj: we have handled it already, otherwise we might fall into
628 mark_irn_visited(proj);
635 * Create an intrinsic Call.
637 static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env) {
638 ir_node *block, *proj, *irn, *call;
647 irn = get_Mod_left(node);
648 entry = env->entries[get_irn_idx(irn)];
651 if (! entry->low_word) {
652 /* not ready yet, wait */
653 pdeq_putr(env->waitq, node);
657 in[0] = entry->low_word;
658 in[1] = entry->high_word;
660 irn = get_Mod_right(node);
661 entry = env->entries[get_irn_idx(irn)];
664 if (! entry->low_word) {
665 /* not ready yet, wait */
666 pdeq_putr(env->waitq, node);
670 in[2] = entry->low_word;
671 in[3] = entry->high_word;
673 dbg = get_irn_dbg_info(node);
674 block = get_nodes_block(node);
675 irg = current_ir_graph;
677 mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
678 opmode = get_irn_op_mode(node);
679 irn = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, block, env);
680 call = new_rd_Call(dbg, irg, block, get_Mod_mem(node),
682 set_irn_pinned(call, get_irn_pinned(node));
683 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
685 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
686 switch (get_Proj_proj(proj)) {
687 case pn_Mod_M: /* Memory result. */
688 /* reroute to the call */
689 set_Proj_pred(proj, call);
690 set_Proj_proj(proj, pn_Call_M_except);
692 case pn_Mod_X_except: /* Execution result if exception occurred. */
693 /* reroute to the call */
694 set_Proj_pred(proj, call);
695 set_Proj_proj(proj, pn_Call_X_except);
697 case pn_Mod_res: /* Result of computation. */
698 idx = get_irn_idx(proj);
699 assert(idx < env->n_entries);
700 env->entries[idx]->low_word = new_r_Proj(irg, block, irn, mode, 0);
701 env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
704 assert(0 && "unexpected Proj number");
706 /* mark this proj: we have handled it already, otherwise we might fall into
708 mark_irn_visited(proj);
713 * Translate a DivMod.
715 * Create two intrinsic Calls.
717 static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env) {
718 ir_node *block, *proj, *irn, *mem, *callDiv, *callMod, *resDiv, *resMod;
728 /* check if both results are needed */
729 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
730 switch (get_Proj_proj(proj)) {
731 case pn_DivMod_res_div: flags |= 1; break;
732 case pn_DivMod_res_mod: flags |= 2; break;
737 irn = get_DivMod_left(node);
738 entry = env->entries[get_irn_idx(irn)];
741 if (! entry->low_word) {
742 /* not ready yet, wait */
743 pdeq_putr(env->waitq, node);
747 in[0] = entry->low_word;
748 in[1] = entry->high_word;
750 irn = get_DivMod_right(node);
751 entry = env->entries[get_irn_idx(irn)];
754 if (! entry->low_word) {
755 /* not ready yet, wait */
756 pdeq_putr(env->waitq, node);
760 in[2] = entry->low_word;
761 in[3] = entry->high_word;
763 dbg = get_irn_dbg_info(node);
764 block = get_nodes_block(node);
765 irg = current_ir_graph;
767 mem = get_DivMod_mem(node);
769 callDiv = callMod = NULL;
770 mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
772 opmode = get_irn_op_mode(node);
773 irn = get_intrinsic_address(mtp, op_Div, opmode, opmode, block, env);
774 callDiv = new_rd_Call(dbg, irg, block, mem,
776 set_irn_pinned(callDiv, get_irn_pinned(node));
777 resDiv = new_r_Proj(irg, block, callDiv, mode_T, pn_Call_T_result);
781 mem = new_r_Proj(irg, block, callDiv, mode_M, pn_Call_M);
782 opmode = get_irn_op_mode(node);
783 irn = get_intrinsic_address(mtp, op_Mod, opmode, opmode, block, env);
784 callMod = new_rd_Call(dbg, irg, block, mem,
786 set_irn_pinned(callMod, get_irn_pinned(node));
787 resMod = new_r_Proj(irg, block, callMod, mode_T, pn_Call_T_result);
790 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
791 switch (get_Proj_proj(proj)) {
792 case pn_DivMod_M: /* Memory result. */
793 /* reroute to the first call */
794 set_Proj_pred(proj, callDiv ? callDiv : (callMod ? callMod : mem));
795 set_Proj_proj(proj, pn_Call_M_except);
797 case pn_DivMod_X_except: /* Execution result if exception occurred. */
798 /* reroute to the first call */
799 set_Proj_pred(proj, callDiv ? callDiv : (callMod ? callMod : mem));
800 set_Proj_proj(proj, pn_Call_X_except);
802 case pn_DivMod_res_div: /* Result of Div. */
803 idx = get_irn_idx(proj);
804 assert(idx < env->n_entries);
805 env->entries[idx]->low_word = new_r_Proj(irg, block, resDiv, mode, 0);
806 env->entries[idx]->high_word = new_r_Proj(irg, block, resDiv, mode, 1);
808 case pn_DivMod_res_mod: /* Result of Mod. */
809 idx = get_irn_idx(proj);
810 env->entries[idx]->low_word = new_r_Proj(irg, block, resMod, mode, 0);
811 env->entries[idx]->high_word = new_r_Proj(irg, block, resMod, mode, 1);
814 assert(0 && "unexpected Proj number");
816 /* mark this proj: we have handled it already, otherwise we might fall into
818 mark_irn_visited(proj);
825 * Create an intrinsic Call.
827 static void lower_Binop(ir_node *node, ir_mode *mode, lower_env_t *env) {
828 ir_node *block, *irn;
836 irn = get_binop_left(node);
837 entry = env->entries[get_irn_idx(irn)];
840 if (! entry->low_word) {
841 /* not ready yet, wait */
842 pdeq_putr(env->waitq, node);
846 in[0] = entry->low_word;
847 in[1] = entry->high_word;
849 irn = get_binop_right(node);
850 entry = env->entries[get_irn_idx(irn)];
853 if (! entry->low_word) {
854 /* not ready yet, wait */
855 pdeq_putr(env->waitq, node);
859 in[2] = entry->low_word;
860 in[3] = entry->high_word;
862 dbg = get_irn_dbg_info(node);
863 block = get_nodes_block(node);
864 irg = current_ir_graph;
866 mtp = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
867 irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
868 irn = new_rd_Call(dbg, irg, block, get_irg_no_mem(current_ir_graph),
870 set_irn_pinned(irn, get_irn_pinned(node));
871 irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
873 idx = get_irn_idx(node);
874 assert(idx < env->n_entries);
875 env->entries[idx]->low_word = new_r_Proj(irg, block, irn, mode, 0);
876 env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
880 * Translate a Shiftop.
882 * Create an intrinsic Call.
884 static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env) {
885 ir_node *block, *irn;
893 irn = get_binop_left(node);
894 entry = env->entries[get_irn_idx(irn)];
897 if (! entry->low_word) {
898 /* not ready yet, wait */
899 pdeq_putr(env->waitq, node);
903 in[0] = entry->low_word;
904 in[1] = entry->high_word;
906 /* The shift count is always mode_Iu in firm, so there is no need for lowering */
907 in[2] = get_binop_right(node);
909 dbg = get_irn_dbg_info(node);
910 block = get_nodes_block(node);
911 irg = current_ir_graph;
913 mtp = mode_is_signed(mode) ? shiftop_tp_s : shiftop_tp_u;
914 irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
915 irn = new_rd_Call(dbg, irg, block, get_irg_no_mem(current_ir_graph),
917 set_irn_pinned(irn, get_irn_pinned(node));
918 irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
920 idx = get_irn_idx(node);
921 assert(idx < env->n_entries);
922 env->entries[idx]->low_word = new_r_Proj(irg, block, irn, mode, 0);
923 env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
924 } /* lower_Shiftop */
927 * Translate a Shr and handle special cases.
929 static void lower_Shr(ir_node *node, ir_mode *mode, lower_env_t *env) {
930 ir_node *right = get_Shr_right(node);
931 ir_graph *irg = current_ir_graph;
933 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
934 tarval *tv = get_Const_tarval(right);
936 if (tarval_is_long(tv) &&
937 get_tarval_long(tv) >= get_mode_size_bits(mode)) {
938 ir_node *block = get_nodes_block(node);
939 ir_node *left = get_Shr_left(node);
941 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
942 int idx = get_irn_idx(left);
944 left = env->entries[idx]->high_word;
945 idx = get_irn_idx(node);
948 c = new_r_Const_long(irg, block, mode_Iu, shf_cnt);
949 env->entries[idx]->low_word = new_r_Shr(irg, block, left, c, mode);
951 env->entries[idx]->low_word = left;
953 env->entries[idx]->high_word = new_r_Const(irg, block, mode, get_mode_null(mode));
958 lower_Shiftop(node, mode, env);
962 * Translate a Shl and handle special cases.
964 static void lower_Shl(ir_node *node, ir_mode *mode, lower_env_t *env) {
965 ir_node *right = get_Shl_right(node);
966 ir_graph *irg = current_ir_graph;
968 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
969 tarval *tv = get_Const_tarval(right);
971 if (tarval_is_long(tv) &&
972 get_tarval_long(tv) >= get_mode_size_bits(mode)) {
973 ir_node *block = get_nodes_block(node);
974 ir_node *left = get_Shl_left(node);
976 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
977 int idx = get_irn_idx(left);
979 left = env->entries[idx]->low_word;
980 idx = get_irn_idx(node);
983 c = new_r_Const_long(irg, block, mode_Iu, shf_cnt);
984 env->entries[idx]->high_word = new_r_Shl(irg, block, left, c, mode);
986 env->entries[idx]->high_word = left;
988 env->entries[idx]->low_word = new_r_Const(irg, block, mode, get_mode_null(mode));
993 lower_Shiftop(node, mode, env);
997 * Translate a Shrs and handle special cases.
999 static void lower_Shrs(ir_node *node, ir_mode *mode, lower_env_t *env) {
1000 ir_node *right = get_Shrs_right(node);
1001 ir_graph *irg = current_ir_graph;
1003 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
1004 tarval *tv = get_Const_tarval(right);
1006 if (tarval_is_long(tv) &&
1007 get_tarval_long(tv) >= get_mode_size_bits(mode)) {
1008 ir_node *block = get_nodes_block(node);
1009 ir_node *left = get_Shrs_left(node);
1010 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
1012 int idx = get_irn_idx(left);
1014 left = env->entries[idx]->high_word;
1015 idx = get_irn_idx(node);
1018 c = new_r_Const_long(irg, block, mode_Iu, shf_cnt);
1019 env->entries[idx]->low_word = new_r_Shrs(irg, block, left, c, mode);
1021 env->entries[idx]->low_word = left;
1023 c = new_r_Const_long(irg, block, mode_Iu, get_mode_size_bits(mode) - 1);
1024 env->entries[idx]->high_word = new_r_Shrs(irg, block, left, c, mode);
1029 lower_Shiftop(node, mode, env);
1033 * Translate a Rot and handle special cases.
1035 static void lower_Rot(ir_node *node, ir_mode *mode, lower_env_t *env) {
1036 ir_node *right = get_Rot_right(node);
1038 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
1039 tarval *tv = get_Const_tarval(right);
1041 if (tarval_is_long(tv) &&
1042 get_tarval_long(tv) == get_mode_size_bits(mode)) {
1043 ir_node *left = get_Rot_left(node);
1045 int idx = get_irn_idx(left);
1047 l = env->entries[idx]->low_word;
1048 h = env->entries[idx]->high_word;
1049 idx = get_irn_idx(node);
1051 env->entries[idx]->low_word = h;
1052 env->entries[idx]->high_word = l;
1057 lower_Shiftop(node, mode, env);
1061 * Translate an Unop.
1063 * Create an intrinsic Call.
1065 static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env) {
1066 ir_node *block, *irn;
1072 node_entry_t *entry;
1074 irn = get_unop_op(node);
1075 entry = env->entries[get_irn_idx(irn)];
1078 if (! entry->low_word) {
1079 /* not ready yet, wait */
1080 pdeq_putr(env->waitq, node);
1084 in[0] = entry->low_word;
1085 in[1] = entry->high_word;
1087 dbg = get_irn_dbg_info(node);
1088 block = get_nodes_block(node);
1089 irg = current_ir_graph;
1091 mtp = mode_is_signed(mode) ? unop_tp_s : unop_tp_u;
1092 irn = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, block, env);
1093 irn = new_rd_Call(dbg, irg, block, get_irg_no_mem(current_ir_graph),
1095 set_irn_pinned(irn, get_irn_pinned(node));
1096 irn = new_r_Proj(irg, block, irn, mode_T, pn_Call_T_result);
1098 idx = get_irn_idx(node);
1099 assert(idx < env->n_entries);
1100 env->entries[idx]->low_word = new_r_Proj(irg, block, irn, mode, 0);
1101 env->entries[idx]->high_word = new_r_Proj(irg, block, irn, mode, 1);
1105 * Translate a logical Binop.
1107 * Create two logical Binops.
1109 static void lower_Binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env,
1110 ir_node *(*constr_rd)(dbg_info *db, ir_graph *irg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) ) {
1111 ir_node *block, *irn;
1112 ir_node *lop_l, *lop_h, *rop_l, *rop_h;
1116 node_entry_t *entry;
1118 irn = get_binop_left(node);
1119 entry = env->entries[get_irn_idx(irn)];
1122 if (! entry->low_word) {
1123 /* not ready yet, wait */
1124 pdeq_putr(env->waitq, node);
1128 lop_l = entry->low_word;
1129 lop_h = entry->high_word;
1131 irn = get_binop_right(node);
1132 entry = env->entries[get_irn_idx(irn)];
1135 if (! entry->low_word) {
1136 /* not ready yet, wait */
1137 pdeq_putr(env->waitq, node);
1141 rop_l = entry->low_word;
1142 rop_h = entry->high_word;
1144 dbg = get_irn_dbg_info(node);
1145 block = get_nodes_block(node);
1147 idx = get_irn_idx(node);
1148 assert(idx < env->n_entries);
1149 irg = current_ir_graph;
1150 env->entries[idx]->low_word = constr_rd(dbg, irg, block, lop_l, rop_l, mode);
1151 env->entries[idx]->high_word = constr_rd(dbg, irg, block, lop_h, rop_h, mode);
1152 } /* lower_Binop_logical */
1154 /** create a logical operation tranformation */
1155 #define lower_logical(op) \
1156 static void lower_##op(ir_node *node, ir_mode *mode, lower_env_t *env) { \
1157 lower_Binop_logical(node, mode, env, new_rd_##op); \
1167 * Create two logical Nots.
1169 static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env) {
1170 ir_node *block, *irn;
1171 ir_node *op_l, *op_h;
1175 node_entry_t *entry;
1177 irn = get_Not_op(node);
1178 entry = env->entries[get_irn_idx(irn)];
1181 if (! entry->low_word) {
1182 /* not ready yet, wait */
1183 pdeq_putr(env->waitq, node);
1187 op_l = entry->low_word;
1188 op_h = entry->high_word;
1190 dbg = get_irn_dbg_info(node);
1191 block = get_nodes_block(node);
1192 irg = current_ir_graph;
1194 idx = get_irn_idx(node);
1195 assert(idx < env->n_entries);
1196 env->entries[idx]->low_word = new_rd_Not(dbg, current_ir_graph, block, op_l, mode);
1197 env->entries[idx]->high_word = new_rd_Not(dbg, current_ir_graph, block, op_h, mode);
1201 * Translate a Minus.
1203 * Create two Minus'.
1205 static void lower_Minus(ir_node *node, ir_mode *mode, lower_env_t *env) {
1206 ir_node *block, *irn;
1207 ir_node *op_l, *op_h;
1211 node_entry_t *entry;
1213 irn = get_Minus_op(node);
1214 entry = env->entries[get_irn_idx(irn)];
1217 if (! entry->low_word) {
1218 /* not ready yet, wait */
1219 pdeq_putr(env->waitq, node);
1223 op_l = entry->low_word;
1224 op_h = entry->high_word;
1226 dbg = get_irn_dbg_info(node);
1227 block = get_nodes_block(node);
1228 irg = current_ir_graph;
1230 idx = get_irn_idx(node);
1231 assert(idx < env->n_entries);
1232 env->entries[idx]->low_word = new_rd_Minus(dbg, current_ir_graph, block, op_l, mode);
1233 env->entries[idx]->high_word = new_rd_Minus(dbg, current_ir_graph, block, op_h, mode);
1239 static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env) {
1240 ir_node *cmp, *left, *right, *block;
1241 ir_node *sel = get_Cond_selector(node);
1242 ir_mode *m = get_irn_mode(sel);
1246 node_entry_t *lentry, *rentry;
1247 ir_node *proj, *projT = NULL, *projF = NULL;
1248 ir_node *new_bl, *cmpH, *cmpL, *irn;
1249 ir_node *projHF, *projHT;
1255 cmp = get_Proj_pred(sel);
1256 left = get_Cmp_left(cmp);
1257 idx = get_irn_idx(left);
1258 lentry = env->entries[idx];
1265 right = get_Cmp_right(cmp);
1266 idx = get_irn_idx(right);
1267 rentry = env->entries[idx];
1270 if (! lentry->low_word || !rentry->low_word) {
1272 pdeq_putr(env->waitq, node);
1276 /* all right, build the code */
1277 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
1278 long proj_nr = get_Proj_proj(proj);
1280 if (proj_nr == pn_Cond_true) {
1281 assert(projT == NULL && "more than one Proj(true)");
1284 assert(proj_nr == pn_Cond_false);
1285 assert(projF == NULL && "more than one Proj(false)");
1288 mark_irn_visited(proj);
1290 assert(projT && projF);
1292 /* create a new high compare */
1293 block = get_nodes_block(cmp);
1294 dbg = get_irn_dbg_info(cmp);
1295 irg = current_ir_graph;
1297 cmpH = new_rd_Cmp(dbg, irg, block, lentry->high_word, rentry->high_word);
1299 pnc = get_Proj_proj(sel);
1300 if (pnc == pn_Cmp_Eq) {
1301 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1302 pmap_entry *entry = pmap_find(env->proj_2_block, projF);
1305 dst_blk = entry->value;
1307 irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Eq);
1308 dbg = get_irn_dbg_info(node);
1309 irn = new_rd_Cond(dbg, irg, block, irn);
1311 projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
1312 mark_irn_visited(projHF);
1313 exchange(projF, projHF);
1315 projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
1316 mark_irn_visited(projHT);
1318 new_bl = new_r_Block(irg, 1, &projHT);
1320 dbg = get_irn_dbg_info(cmp);
1321 cmpL = new_rd_Cmp(dbg, irg, new_bl, lentry->low_word, rentry->low_word);
1322 irn = new_r_Proj(irg, new_bl, cmpL, mode_b, pn_Cmp_Eq);
1323 dbg = get_irn_dbg_info(node);
1324 irn = new_rd_Cond(dbg, irg, new_bl, irn);
1326 proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false);
1327 mark_irn_visited(proj);
1328 add_block_cf_input(dst_blk, projHF, proj);
1330 proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true);
1331 mark_irn_visited(proj);
1332 exchange(projT, proj);
1333 } else if (pnc == pn_Cmp_Lg) {
1334 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1335 pmap_entry *entry = pmap_find(env->proj_2_block, projT);
1338 dst_blk = entry->value;
1340 irn = new_r_Proj(irg, block, cmpH, mode_b, pn_Cmp_Lg);
1341 dbg = get_irn_dbg_info(node);
1342 irn = new_rd_Cond(dbg, irg, block, irn);
1344 projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
1345 mark_irn_visited(projHT);
1346 exchange(projT, projHT);
1348 projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
1349 mark_irn_visited(projHF);
1351 new_bl = new_r_Block(irg, 1, &projHF);
1353 dbg = get_irn_dbg_info(cmp);
1354 cmpL = new_rd_Cmp(dbg, irg, new_bl, lentry->low_word, rentry->low_word);
1355 irn = new_r_Proj(irg, new_bl, cmpL, mode_b, pn_Cmp_Lg);
1356 dbg = get_irn_dbg_info(node);
1357 irn = new_rd_Cond(dbg, irg, new_bl, irn);
1359 proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_true);
1360 mark_irn_visited(proj);
1361 add_block_cf_input(dst_blk, projHT, proj);
1363 proj = new_r_Proj(irg, new_bl, irn, mode_X, pn_Cond_false);
1364 mark_irn_visited(proj);
1365 exchange(projF, proj);
1367 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1368 ir_node *dstT, *dstF, *newbl_eq, *newbl_l;
1371 entry = pmap_find(env->proj_2_block, projT);
1373 dstT = entry->value;
1375 entry = pmap_find(env->proj_2_block, projF);
1377 dstF = entry->value;
1379 irn = new_r_Proj(irg, block, cmpH, mode_b, pnc & ~pn_Cmp_Eq);
1380 dbg = get_irn_dbg_info(node);
1381 irn = new_rd_Cond(dbg, irg, block, irn);
1383 projHT = new_r_Proj(irg, block, irn, mode_X, pn_Cond_true);
1384 mark_irn_visited(projHT);
1385 exchange(projT, projHT);
1388 projHF = new_r_Proj(irg, block, irn, mode_X, pn_Cond_false);
1389 mark_irn_visited(projHF);
1391 newbl_eq = new_r_Block(irg, 1, &projHF);
1393 irn = new_r_Proj(irg, newbl_eq, cmpH, mode_b, pn_Cmp_Eq);
1394 irn = new_rd_Cond(dbg, irg, newbl_eq, irn);
1396 proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_false);
1397 mark_irn_visited(proj);
1398 exchange(projF, proj);
1401 proj = new_r_Proj(irg, newbl_eq, irn, mode_X, pn_Cond_true);
1402 mark_irn_visited(proj);
1404 newbl_l = new_r_Block(irg, 1, &proj);
1406 dbg = get_irn_dbg_info(cmp);
1407 cmpL = new_rd_Cmp(dbg, irg, newbl_l, lentry->low_word, rentry->low_word);
1408 irn = new_r_Proj(irg, newbl_l, cmpL, mode_b, pnc);
1409 dbg = get_irn_dbg_info(node);
1410 irn = new_rd_Cond(dbg, irg, newbl_l, irn);
1412 proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_true);
1413 mark_irn_visited(proj);
1414 add_block_cf_input(dstT, projT, proj);
1416 proj = new_r_Proj(irg, newbl_l, irn, mode_X, pn_Cond_false);
1417 mark_irn_visited(proj);
1418 add_block_cf_input(dstF, projF, proj);
1421 /* we have changed the control flow */
1422 env->flags |= CF_CHANGED;
1424 idx = get_irn_idx(sel);
1426 if (env->entries[idx]) {
1428 Bad, a jump-table with double-word index.
1429 This should not happen, but if it does we handle
1430 it like a Conv were between (in other words, ignore
1434 if (! env->entries[idx]->low_word) {
1435 /* not ready yet, wait */
1436 pdeq_putr(env->waitq, node);
1439 set_Cond_selector(node, env->entries[idx]->low_word);
1445 * Translate a Conv to higher_signed
1447 static void lower_Conv_to_Ls(ir_node *node, lower_env_t *env) {
1448 ir_node *op = get_Conv_op(node);
1449 ir_mode *imode = get_irn_mode(op);
1450 ir_mode *dst_mode = env->params->low_signed;
1451 int idx = get_irn_idx(node);
1452 ir_graph *irg = current_ir_graph;
1453 ir_node *block = get_nodes_block(node);
1454 dbg_info *dbg = get_irn_dbg_info(node);
1456 assert(idx < env->n_entries);
1458 if (mode_is_int(imode) || mode_is_reference(imode)) {
1459 if (imode == env->params->high_unsigned) {
1460 /* a Conv from Lu to Ls */
1461 int op_idx = get_irn_idx(op);
1463 if (! env->entries[op_idx]->low_word) {
1464 /* not ready yet, wait */
1465 pdeq_putr(env->waitq, node);
1468 env->entries[idx]->low_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->low_word, dst_mode);
1469 env->entries[idx]->high_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->high_word, dst_mode);
1471 /* simple case: create a high word */
1472 if (imode != dst_mode)
1473 op = new_rd_Conv(dbg, irg, block, op, dst_mode);
1475 env->entries[idx]->low_word = op;
1476 env->entries[idx]->high_word = new_rd_Shrs(dbg, irg, block, op,
1477 new_Const_long(mode_Iu, get_mode_size_bits(dst_mode) - 1), dst_mode);
1480 ir_node *irn, *call;
1481 ir_mode *omode = env->params->high_signed;
1482 ir_type *mtp = get_conv_type(imode, omode, env);
1484 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
1485 call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
1486 set_irn_pinned(call, get_irn_pinned(node));
1487 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
1489 env->entries[idx]->low_word = new_r_Proj(irg, block, irn, dst_mode, 0);
1490 env->entries[idx]->high_word = new_r_Proj(irg, block, irn, dst_mode, 1);
1492 } /* lower_Conv_to_Ls */
1495 * Translate a Conv to higher_unsigned
1497 static void lower_Conv_to_Lu(ir_node *node, lower_env_t *env) {
1498 ir_node *op = get_Conv_op(node);
1499 ir_mode *imode = get_irn_mode(op);
1500 ir_mode *dst_mode = env->params->low_unsigned;
1501 int idx = get_irn_idx(node);
1502 ir_graph *irg = current_ir_graph;
1503 ir_node *block = get_nodes_block(node);
1504 dbg_info *dbg = get_irn_dbg_info(node);
1506 assert(idx < env->n_entries);
1508 if (mode_is_int(imode) || mode_is_reference(imode)) {
1509 if (imode == env->params->high_signed) {
1510 /* a Conv from Ls to Lu */
1511 int op_idx = get_irn_idx(op);
1513 if (! env->entries[op_idx]->low_word) {
1514 /* not ready yet, wait */
1515 pdeq_putr(env->waitq, node);
1518 env->entries[idx]->low_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->low_word, dst_mode);
1519 env->entries[idx]->high_word = new_rd_Conv(dbg, irg, block, env->entries[op_idx]->high_word, dst_mode);
1521 /* simple case: create a high word */
1522 if (imode != dst_mode)
1523 op = new_rd_Conv(dbg, irg, block, op, dst_mode);
1525 env->entries[idx]->low_word = op;
1526 env->entries[idx]->high_word = new_Const(dst_mode, get_mode_null(dst_mode));
1529 ir_node *irn, *call;
1530 ir_mode *omode = env->params->high_unsigned;
1531 ir_type *mtp = get_conv_type(imode, omode, env);
1533 /* do an intrinsic call */
1534 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
1535 call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
1536 set_irn_pinned(call, get_irn_pinned(node));
1537 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
1539 env->entries[idx]->low_word = new_r_Proj(irg, block, irn, dst_mode, 0);
1540 env->entries[idx]->high_word = new_r_Proj(irg, block, irn, dst_mode, 1);
1542 } /* lower_Conv_to_Lu */
1545 * Translate a Conv from higher_signed
1547 static void lower_Conv_from_Ls(ir_node *node, lower_env_t *env) {
1548 ir_node *op = get_Conv_op(node);
1549 ir_mode *omode = get_irn_mode(node);
1550 ir_node *block = get_nodes_block(node);
1551 dbg_info *dbg = get_irn_dbg_info(node);
1552 int idx = get_irn_idx(op);
1553 ir_graph *irg = current_ir_graph;
1555 assert(idx < env->n_entries);
1557 if (mode_is_int(omode) || mode_is_reference(omode)) {
1558 op = env->entries[idx]->low_word;
1560 /* simple case: create a high word */
1561 if (omode != env->params->low_signed)
1562 op = new_rd_Conv(dbg, irg, block, op, omode);
1564 set_Conv_op(node, op);
1566 ir_node *irn, *call, *in[2];
1567 ir_mode *imode = env->params->high_signed;
1568 ir_type *mtp = get_conv_type(imode, omode, env);
1570 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
1571 in[0] = env->entries[idx]->low_word;
1572 in[1] = env->entries[idx]->high_word;
1574 call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
1575 set_irn_pinned(call, get_irn_pinned(node));
1576 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
1578 exchange(node, new_r_Proj(irg, block, irn, omode, 0));
1580 } /* lower_Conv_from_Ls */
1583 * Translate a Conv from higher_unsigned
1585 static void lower_Conv_from_Lu(ir_node *node, lower_env_t *env) {
1586 ir_node *op = get_Conv_op(node);
1587 ir_mode *omode = get_irn_mode(node);
1588 ir_node *block = get_nodes_block(node);
1589 dbg_info *dbg = get_irn_dbg_info(node);
1590 int idx = get_irn_idx(op);
1591 ir_graph *irg = current_ir_graph;
1593 assert(idx < env->n_entries);
1595 if (mode_is_int(omode) || mode_is_reference(omode)) {
1596 op = env->entries[idx]->low_word;
1598 /* simple case: create a high word */
1599 if (omode != env->params->low_unsigned)
1600 op = new_rd_Conv(dbg, irg, block, op, omode);
1602 set_Conv_op(node, op);
1604 ir_node *irn, *call, *in[2];
1605 ir_mode *imode = env->params->high_unsigned;
1606 ir_type *mtp = get_conv_type(imode, omode, env);
1608 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, block, env);
1609 in[0] = env->entries[idx]->low_word;
1610 in[1] = env->entries[idx]->high_word;
1612 call = new_rd_Call(dbg, irg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
1613 set_irn_pinned(call, get_irn_pinned(node));
1614 irn = new_r_Proj(irg, block, call, mode_T, pn_Call_T_result);
1616 exchange(node, new_r_Proj(irg, block, irn, omode, 0));
1618 } /* lower_Conv_from_Lu */
1623 static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env) {
1624 mode = get_irn_mode(node);
1626 if (mode == env->params->high_signed) {
1627 lower_Conv_to_Ls(node, env);
1628 } else if (mode == env->params->high_unsigned) {
1629 lower_Conv_to_Lu(node, env);
1631 ir_mode *mode = get_irn_mode(get_Conv_op(node));
1633 if (mode == env->params->high_signed) {
1634 lower_Conv_from_Ls(node, env);
1635 } else if (mode == env->params->high_unsigned) {
1636 lower_Conv_from_Lu(node, env);
1642 * Lower the method type.
1644 static ir_type *lower_mtp(ir_type *mtp, lower_env_t *env) {
1649 if (is_lowered_type(mtp))
1652 entry = pmap_find(lowered_type, mtp);
1654 int i, n, r, n_param, n_res;
1656 /* count new number of params */
1657 n_param = n = get_method_n_params(mtp);
1658 for (i = n_param - 1; i >= 0; --i) {
1659 ir_type *tp = get_method_param_type(mtp, i);
1661 if (is_Primitive_type(tp)) {
1662 ir_mode *mode = get_type_mode(tp);
1664 if (mode == env->params->high_signed ||
1665 mode == env->params->high_unsigned)
1670 /* count new number of results */
1671 n_res = r = get_method_n_ress(mtp);
1672 for (i = n_res - 1; i >= 0; --i) {
1673 ir_type *tp = get_method_res_type(mtp, i);
1675 if (is_Primitive_type(tp)) {
1676 ir_mode *mode = get_type_mode(tp);
1678 if (mode == env->params->high_signed ||
1679 mode == env->params->high_unsigned)
1684 id = mangle_u(new_id_from_chars("L", 1), get_type_ident(mtp));
1685 res = new_type_method(id, n_param, n_res);
1687 /* set param types and result types */
1688 for (i = n_param = 0; i < n; ++i) {
1689 ir_type *tp = get_method_param_type(mtp, i);
1691 if (is_Primitive_type(tp)) {
1692 ir_mode *mode = get_type_mode(tp);
1694 if (mode == env->params->high_signed) {
1695 set_method_param_type(res, n_param++, tp_s);
1696 set_method_param_type(res, n_param++, tp_s);
1697 } else if (mode == env->params->high_unsigned) {
1698 set_method_param_type(res, n_param++, tp_u);
1699 set_method_param_type(res, n_param++, tp_u);
1701 set_method_param_type(res, n_param++, tp);
1704 set_method_param_type(res, n_param++, tp);
1707 for (i = n_res = 0; i < r; ++i) {
1708 ir_type *tp = get_method_res_type(mtp, i);
1710 if (is_Primitive_type(tp)) {
1711 ir_mode *mode = get_type_mode(tp);
1713 if (mode == env->params->high_signed) {
1714 set_method_res_type(res, n_res++, tp_s);
1715 set_method_res_type(res, n_res++, tp_s);
1716 } else if (mode == env->params->high_unsigned) {
1717 set_method_res_type(res, n_res++, tp_u);
1718 set_method_res_type(res, n_res++, tp_u);
1720 set_method_res_type(res, n_res++, tp);
1723 set_method_res_type(res, n_res++, tp);
1726 set_lowered_type(mtp, res);
1727 pmap_insert(lowered_type, mtp, res);
1735 * Translate a Return.
1737 static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env) {
1738 ir_graph *irg = current_ir_graph;
1739 entity *ent = get_irg_entity(irg);
1740 ir_type *mtp = get_entity_type(ent);
1745 /* check if this return must be lowered */
1746 for (i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1747 ir_node *pred = get_Return_res(node, i);
1748 ir_mode *mode = get_irn_op_mode(pred);
1750 if (mode == env->params->high_signed ||
1751 mode == env->params->high_unsigned) {
1752 idx = get_irn_idx(pred);
1753 if (! env->entries[idx]->low_word) {
1754 /* not ready yet, wait */
1755 pdeq_putr(env->waitq, node);
1764 ent = get_irg_entity(irg);
1765 mtp = get_entity_type(ent);
1767 mtp = lower_mtp(mtp, env);
1768 set_entity_type(ent, mtp);
1770 /* create a new in array */
1771 NEW_ARR_A(ir_node *, in, get_method_n_ress(mtp) + 1);
1772 in[0] = get_Return_mem(node);
1774 for (j = i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1775 ir_node *pred = get_Return_res(node, i);
1777 idx = get_irn_idx(pred);
1778 assert(idx < env->n_entries);
1780 if (env->entries[idx]) {
1781 in[++j] = env->entries[idx]->low_word;
1782 in[++j] = env->entries[idx]->high_word;
1788 set_irn_in(node, j+1, in);
1789 } /* lower_Return */
1792 * Translate the parameters.
1794 static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env) {
1795 ir_graph *irg = current_ir_graph;
1796 entity *ent = get_irg_entity(irg);
1797 ir_type *tp = get_entity_type(ent);
1800 int i, j, n_params, rem;
1801 ir_node *proj, *args;
1803 if (is_lowered_type(tp)) {
1804 mtp = get_associated_type(tp);
1808 assert(! is_lowered_type(mtp));
1810 n_params = get_method_n_params(mtp);
1814 NEW_ARR_A(long, new_projs, n_params);
1816 /* first check if we have parameters that must be fixed */
1817 for (i = j = 0; i < n_params; ++i, ++j) {
1818 ir_type *tp = get_method_param_type(mtp, i);
1821 if (is_Primitive_type(tp)) {
1822 ir_mode *mode = get_type_mode(tp);
1824 if (mode == env->params->high_signed ||
1825 mode == env->params->high_unsigned)
1832 mtp = lower_mtp(mtp, env);
1833 set_entity_type(ent, mtp);
1835 /* switch off optimization for new Proj nodes or they might be CSE'ed
1836 with not patched one's */
1837 rem = get_optimize();
1840 /* ok, fix all Proj's and create new ones */
1841 args = get_irg_args(irg);
1842 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
1843 ir_node *pred = get_Proj_pred(proj);
1849 /* do not visit this node again */
1850 mark_irn_visited(proj);
1855 proj_nr = get_Proj_proj(proj);
1856 set_Proj_proj(proj, new_projs[proj_nr]);
1858 idx = get_irn_idx(proj);
1859 if (env->entries[idx]) {
1860 mode = get_irn_mode(proj);
1862 if (mode == env->params->high_signed) {
1863 mode = env->params->low_signed;
1865 mode = env->params->low_unsigned;
1868 dbg = get_irn_dbg_info(proj);
1869 env->entries[idx]->low_word =
1870 new_rd_Proj(dbg, irg, get_nodes_block(proj), args, mode, new_projs[proj_nr]);
1871 env->entries[idx]->high_word =
1872 new_rd_Proj(dbg, irg, get_nodes_block(proj), args, mode, new_projs[proj_nr] + 1);
1881 static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env) {
1882 ir_graph *irg = current_ir_graph;
1883 ir_type *tp = get_Call_type(node);
1885 ir_node **in, *proj, *results;
1886 int n_params, n_res, need_lower = 0;
1888 long *res_numbers = NULL;
1890 if (is_lowered_type(tp)) {
1891 call_tp = get_associated_type(tp);
1896 assert(! is_lowered_type(call_tp));
1898 n_params = get_method_n_params(call_tp);
1899 for (i = 0; i < n_params; ++i) {
1900 ir_type *tp = get_method_param_type(call_tp, i);
1902 if (is_Primitive_type(tp)) {
1903 ir_mode *mode = get_type_mode(tp);
1905 if (mode == env->params->high_signed ||
1906 mode == env->params->high_unsigned) {
1912 n_res = get_method_n_ress(call_tp);
1914 NEW_ARR_A(long, res_numbers, n_res);
1916 for (i = j = 0; i < n_res; ++i, ++j) {
1917 ir_type *tp = get_method_res_type(call_tp, i);
1920 if (is_Primitive_type(tp)) {
1921 ir_mode *mode = get_type_mode(tp);
1923 if (mode == env->params->high_signed ||
1924 mode == env->params->high_unsigned) {
1935 /* let's lower it */
1936 call_tp = lower_mtp(call_tp, env);
1937 set_Call_type(node, call_tp);
1939 NEW_ARR_A(ir_node *, in, get_method_n_params(call_tp) + 2);
1941 in[0] = get_Call_mem(node);
1942 in[1] = get_Call_ptr(node);
1944 for (j = 2, i = 0; i < n_params; ++i) {
1945 ir_node *pred = get_Call_param(node, i);
1946 int idx = get_irn_idx(pred);
1948 if (env->entries[idx]) {
1949 if (! env->entries[idx]->low_word) {
1950 /* not ready yet, wait */
1951 pdeq_putr(env->waitq, node);
1954 in[j++] = env->entries[idx]->low_word;
1955 in[j++] = env->entries[idx]->high_word;
1961 set_irn_in(node, j, in);
1963 /* fix the results */
1965 for (proj = get_irn_link(node); proj; proj = get_irn_link(proj)) {
1966 long proj_nr = get_Proj_proj(proj);
1968 if (proj_nr == pn_Call_T_result && get_Proj_pred(proj) == node) {
1969 /* found the result proj */
1975 if (results) { /* there are results */
1976 int rem = get_optimize();
1978 /* switch off optimization for new Proj nodes or they might be CSE'ed
1979 with not patched one's */
1981 for (i = j = 0, proj = get_irn_link(results); proj; proj = get_irn_link(proj), ++i, ++j) {
1982 if (get_Proj_pred(proj) == results) {
1983 long proj_nr = get_Proj_proj(proj);
1986 /* found a result */
1987 set_Proj_proj(proj, res_numbers[proj_nr]);
1988 idx = get_irn_idx(proj);
1989 if (env->entries[idx]) {
1990 ir_mode *mode = get_irn_mode(proj);
1993 if (mode == env->params->high_signed) {
1994 mode = env->params->low_signed;
1996 mode = env->params->low_unsigned;
1999 dbg = get_irn_dbg_info(proj);
2000 env->entries[idx]->low_word =
2001 new_rd_Proj(dbg, irg, get_nodes_block(proj), results, mode, res_numbers[proj_nr]);
2002 env->entries[idx]->high_word =
2003 new_rd_Proj(dbg, irg, get_nodes_block(proj), results, mode, res_numbers[proj_nr] + 1);
2005 mark_irn_visited(proj);
2013 * Translate an Unknown into two.
2015 static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env) {
2016 int idx = get_irn_idx(node);
2017 ir_graph *irg = current_ir_graph;
2019 env->entries[idx]->low_word =
2020 env->entries[idx]->high_word = new_r_Unknown(irg, mode);
2021 } /* lower_Unknown */
2026 * First step: just create two templates
2028 static void lower_Phi(ir_node *phi, ir_mode *mode, lower_env_t *env) {
2029 ir_graph *irg = current_ir_graph;
2030 ir_node *block, *unk;
2031 ir_node **inl, **inh;
2033 int idx, i, arity = get_Phi_n_preds(phi);
2036 idx = get_irn_idx(phi);
2037 if (env->entries[idx]->low_word) {
2038 /* Phi nodes already build, check for inputs */
2039 ir_node *phil = env->entries[idx]->low_word;
2040 ir_node *phih = env->entries[idx]->high_word;
2042 for (i = 0; i < arity; ++i) {
2043 ir_node *pred = get_Phi_pred(phi, i);
2044 int idx = get_irn_idx(pred);
2046 if (env->entries[idx]->low_word) {
2047 set_Phi_pred(phil, i, env->entries[idx]->low_word);
2048 set_Phi_pred(phih, i, env->entries[idx]->high_word);
2050 /* still not ready */
2051 pdeq_putr(env->waitq, phi);
2057 /* first create a new in array */
2058 NEW_ARR_A(ir_node *, inl, arity);
2059 NEW_ARR_A(ir_node *, inh, arity);
2060 unk = new_r_Unknown(irg, mode);
2062 for (i = 0; i < arity; ++i) {
2063 ir_node *pred = get_Phi_pred(phi, i);
2064 int idx = get_irn_idx(pred);
2066 if (env->entries[idx]->low_word) {
2067 inl[i] = env->entries[idx]->low_word;
2068 inh[i] = env->entries[idx]->high_word;
2076 dbg = get_irn_dbg_info(phi);
2077 block = get_nodes_block(phi);
2079 idx = get_irn_idx(phi);
2080 assert(idx < env->n_entries);
2081 env->entries[idx]->low_word = new_rd_Phi(dbg, irg, block, arity, inl, mode);
2082 env->entries[idx]->high_word = new_rd_Phi(dbg, irg, block, arity, inh, mode);
2085 /* not yet finished */
2086 pdeq_putr(env->waitq, phi);
2093 static void lower_Psi(ir_node *psi, ir_mode *mode, lower_env_t *env) {
2094 ir_graph *irg = current_ir_graph;
2095 ir_node *block, *val;
2096 ir_node **valsl, **valsh, **conds;
2098 int idx, i, n_conds = get_Psi_n_conds(psi);
2100 /* first create a new in array */
2101 NEW_ARR_A(ir_node *, valsl, n_conds + 1);
2102 NEW_ARR_A(ir_node *, valsh, n_conds + 1);
2104 for (i = 0; i < n_conds; ++i) {
2105 val = get_Psi_val(psi, i);
2106 idx = get_irn_idx(val);
2107 if (env->entries[idx]->low_word) {
2108 /* Values already build */
2109 valsl[i] = env->entries[idx]->low_word;
2110 valsh[i] = env->entries[idx]->high_word;
2112 /* still not ready */
2113 pdeq_putr(env->waitq, psi);
2117 val = get_Psi_default(psi);
2118 idx = get_irn_idx(val);
2119 if (env->entries[idx]->low_word) {
2120 /* Values already build */
2121 valsl[i] = env->entries[idx]->low_word;
2122 valsh[i] = env->entries[idx]->high_word;
2124 /* still not ready */
2125 pdeq_putr(env->waitq, psi);
2130 NEW_ARR_A(ir_node *, conds, n_conds);
2131 for (i = 0; i < n_conds; ++i) {
2132 conds[i] = get_Psi_cond(psi, i);
2135 dbg = get_irn_dbg_info(psi);
2136 block = get_nodes_block(psi);
2138 idx = get_irn_idx(psi);
2139 assert(idx < env->n_entries);
2140 env->entries[idx]->low_word = new_rd_Psi(dbg, irg, block, n_conds, conds, valsl, mode);
2141 env->entries[idx]->high_word = new_rd_Psi(dbg, irg, block, n_conds, conds, valsh, mode);
2145 * lower all marked Proj(Cmp)
2147 static void lower_Proj(ir_node *node, ir_mode *mode, lower_env_t *env) {
2148 int idx, lidx, ridx;
2149 ir_node *cmp, *l, *r, *low, *high, *t, *res;
2152 ir_graph *irg = current_ir_graph;
2155 idx = get_irn_idx(node);
2156 if (env->entries[idx] == NULL)
2159 cmp = get_Proj_pred(node);
2160 l = get_Cmp_left(cmp);
2161 lidx = get_irn_idx(l);
2162 if (! env->entries[lidx]->low_word) {
2163 /* still not ready */
2164 pdeq_putr(env->waitq, node);
2168 r = get_Cmp_right(cmp);
2169 ridx = get_irn_idx(r);
2170 if (! env->entries[ridx]->low_word) {
2171 /* still not ready */
2172 pdeq_putr(env->waitq, node);
2176 pnc = get_Proj_proj(node);
2177 blk = get_nodes_block(cmp);
2178 db = get_irn_dbg_info(cmp);
2179 low = new_rd_Cmp(db, irg, blk, env->entries[lidx]->low_word, env->entries[ridx]->low_word);
2180 high = new_rd_Cmp(db, irg, blk, env->entries[lidx]->high_word, env->entries[ridx]->high_word);
2182 if (pnc == pn_Cmp_Eq) {
2183 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
2184 res = new_rd_And(db, irg, blk,
2185 new_r_Proj(irg, blk, low, mode_b, pnc),
2186 new_r_Proj(irg, blk, high, mode_b, pnc),
2188 } else if (pnc == pn_Cmp_Lg) {
2189 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
2190 res = new_rd_Or(db, irg, blk,
2191 new_r_Proj(irg, blk, low, mode_b, pnc),
2192 new_r_Proj(irg, blk, high, mode_b, pnc),
2195 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
2196 t = new_rd_And(db, irg, blk,
2197 new_r_Proj(irg, blk, low, mode_b, pnc),
2198 new_r_Proj(irg, blk, high, mode_b, pn_Cmp_Eq),
2200 res = new_rd_Or(db, irg, blk,
2201 new_r_Proj(irg, blk, high, mode_b, pnc & ~pn_Cmp_Eq),
2205 exchange(node, res);
2209 * check for opcodes that must always be lowered.
2211 static int always_lower(opcode code) {
2223 } /* always_lower */
2226 * The type of a lower function.
2228 * @param node the node to be lowered
2229 * @param mode the low mode for the destination node
2230 * @param env the lower environment
2232 typedef void (*lower_func)(ir_node *node, ir_mode *mode, lower_env_t *env);
2237 static void lower_ops(ir_node *node, void *env)
2239 lower_env_t *lenv = env;
2240 node_entry_t *entry;
2241 int idx = get_irn_idx(node);
2243 entry = idx < lenv->n_entries ? lenv->entries[idx] : NULL;
2244 if (entry || always_lower(get_irn_opcode(node))) {
2245 ir_op *op = get_irn_op(node);
2246 lower_func func = (lower_func)op->ops.generic;
2249 ir_mode *mode = get_irn_op_mode(node);
2251 if (mode == lenv->params->high_signed)
2252 mode = lenv->params->low_signed;
2254 mode = lenv->params->low_unsigned;
2256 DB((dbg, LEVEL_1, " %+F\n", node));
2257 func(node, mode, lenv);
2262 #define IDENT(s) new_id_from_chars(s, sizeof(s)-1)
2265 * Compare two op_mode_entry_t's.
2267 static int cmp_op_mode(const void *elt, const void *key, size_t size) {
2268 const op_mode_entry_t *e1 = elt;
2269 const op_mode_entry_t *e2 = key;
2271 return (e1->op - e2->op) | (e1->imode - e2->imode) | (e1->omode - e2->omode);
2275 * Compare two conv_tp_entry_t's.
2277 static int cmp_conv_tp(const void *elt, const void *key, size_t size) {
2278 const conv_tp_entry_t *e1 = elt;
2279 const conv_tp_entry_t *e2 = key;
2281 return (e1->imode - e2->imode) | (e1->omode - e2->omode);
2282 } /* static int cmp_conv_tp */
2287 void lower_dw_ops(const lwrdw_param_t *param)
2296 if (! param->enable)
2299 FIRM_DBG_REGISTER(dbg, "firm.lower.dw");
2301 assert(2 * get_mode_size_bits(param->low_signed) == get_mode_size_bits(param->high_signed));
2302 assert(2 * get_mode_size_bits(param->low_unsigned) == get_mode_size_bits(param->high_unsigned));
2303 assert(get_mode_size_bits(param->low_signed) == get_mode_size_bits(param->low_unsigned));
2305 /* create the necessary maps */
2307 prim_types = pmap_create();
2308 if (! intrinsic_fkt)
2309 intrinsic_fkt = new_set(cmp_op_mode, iro_MaxOpcode);
2311 conv_types = new_set(cmp_conv_tp, 16);
2313 lowered_type = pmap_create();
2315 /* create a primitive unsigned and signed type */
2317 tp_u = get_primitive_type(param->low_unsigned);
2319 tp_s = get_primitive_type(param->low_signed);
2321 /* create method types for the created binop calls */
2323 binop_tp_u = new_type_method(IDENT("binop_u_intrinsic"), 4, 2);
2324 set_method_param_type(binop_tp_u, 0, tp_u);
2325 set_method_param_type(binop_tp_u, 1, tp_u);
2326 set_method_param_type(binop_tp_u, 2, tp_u);
2327 set_method_param_type(binop_tp_u, 3, tp_u);
2328 set_method_res_type(binop_tp_u, 0, tp_u);
2329 set_method_res_type(binop_tp_u, 1, tp_u);
2332 binop_tp_s = new_type_method(IDENT("binop_s_intrinsic"), 4, 2);
2333 set_method_param_type(binop_tp_s, 0, tp_s);
2334 set_method_param_type(binop_tp_s, 1, tp_s);
2335 set_method_param_type(binop_tp_s, 2, tp_s);
2336 set_method_param_type(binop_tp_s, 3, tp_s);
2337 set_method_res_type(binop_tp_s, 0, tp_s);
2338 set_method_res_type(binop_tp_s, 1, tp_s);
2340 if (! shiftop_tp_u) {
2341 shiftop_tp_u = new_type_method(IDENT("shiftop_u_intrinsic"), 3, 2);
2342 set_method_param_type(shiftop_tp_u, 0, tp_u);
2343 set_method_param_type(shiftop_tp_u, 1, tp_u);
2344 set_method_param_type(shiftop_tp_u, 2, tp_u);
2345 set_method_res_type(shiftop_tp_u, 0, tp_u);
2346 set_method_res_type(shiftop_tp_u, 1, tp_u);
2348 if (! shiftop_tp_s) {
2349 shiftop_tp_s = new_type_method(IDENT("shiftop_s_intrinsic"), 3, 2);
2350 set_method_param_type(shiftop_tp_s, 0, tp_s);
2351 set_method_param_type(shiftop_tp_s, 1, tp_s);
2352 /* beware: shift count is always mode_Iu */
2353 set_method_param_type(shiftop_tp_s, 2, tp_u);
2354 set_method_res_type(shiftop_tp_s, 0, tp_s);
2355 set_method_res_type(shiftop_tp_s, 1, tp_s);
2358 unop_tp_u = new_type_method(IDENT("unop_u_intrinsic"), 2, 2);
2359 set_method_param_type(unop_tp_u, 0, tp_u);
2360 set_method_param_type(unop_tp_u, 1, tp_u);
2361 set_method_res_type(unop_tp_u, 0, tp_u);
2362 set_method_res_type(unop_tp_u, 1, tp_u);
2365 unop_tp_s = new_type_method(IDENT("unop_s_intrinsic"), 2, 2);
2366 set_method_param_type(unop_tp_s, 0, tp_s);
2367 set_method_param_type(unop_tp_s, 1, tp_s);
2368 set_method_res_type(unop_tp_s, 0, tp_s);
2369 set_method_res_type(unop_tp_s, 1, tp_s);
2372 lenv.tv_mode_bytes = new_tarval_from_long(get_mode_size_bytes(param->low_unsigned), mode_Iu);
2373 lenv.tv_mode_bits = new_tarval_from_long(get_mode_size_bits(param->low_unsigned), mode_Iu);
2374 lenv.waitq = new_pdeq();
2375 lenv.params = param;
2377 /* first clear the generic function pointer for all ops */
2378 clear_irp_opcodes_generic_func();
2380 #define LOWER2(op, fkt) op_##op->ops.generic = (op_func)fkt
2381 #define LOWER(op) LOWER2(op, lower_##op)
2382 #define LOWER_BIN(op) LOWER2(op, lower_Binop)
2383 #define LOWER_UN(op) LOWER2(op, lower_Unop)
2385 /* the table of all operations that must be lowered follows */
2408 LOWER2(Minus, lower_Minus);
2413 LOWER2(Proj, lower_Proj);
2422 /* transform all graphs */
2423 rem = current_ir_graph;
2424 for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
2425 ir_graph *irg = get_irp_irg(i);
2428 obstack_init(&lenv.obst);
2430 n_idx = get_irg_last_idx(irg);
2431 lenv.n_entries = n_idx;
2432 lenv.entries = xmalloc(n_idx * sizeof(lenv.entries[0]));
2433 memset(lenv.entries, 0, n_idx * sizeof(lenv.entries[0]));
2435 /* first step: link all nodes and allocate data */
2437 lenv.proj_2_block = pmap_create();
2438 irg_walk_graph(irg, firm_clear_link, prepare_links, &lenv);
2440 if (lenv.flags & MUST_BE_LOWERED) {
2441 DB((dbg, LEVEL_1, "Lowering graph %+F\n", irg));
2443 /* must do some work */
2444 irg_walk_graph(irg, NULL, lower_ops, &lenv);
2446 /* last step: all waiting nodes */
2447 DB((dbg, LEVEL_1, "finishing waiting nodes:\n"));
2448 current_ir_graph = irg;
2449 while (! pdeq_empty(lenv.waitq)) {
2450 ir_node *node = pdeq_getl(lenv.waitq);
2452 lower_ops(node, &lenv);
2455 /* outs are invalid, we changed the graph */
2456 set_irg_outs_inconsistent(irg);
2458 if (lenv.flags & CF_CHANGED) {
2459 /* control flow changed, dominance info is invalid */
2460 set_irg_doms_inconsistent(irg);
2461 set_irg_extblk_inconsistent(irg);
2462 set_irg_loopinfo_inconsistent(irg);
2465 dump_ir_block_graph(irg, "-dw");
2467 pmap_destroy(lenv.proj_2_block);
2469 obstack_free(&lenv.obst, NULL);
2471 del_pdeq(lenv.waitq);
2472 current_ir_graph = rem;
2473 } /* lower_dw_ops */
2475 /* Default implementation. */
2476 entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
2477 const ir_mode *imode, const ir_mode *omode,
2484 if (imode == omode) {
2485 snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(imode));
2487 snprintf(buf, sizeof(buf), "__l%s%s%s", get_op_name(op),
2488 get_mode_name(imode), get_mode_name(omode));
2490 id = new_id_from_str(buf);
2492 ent = new_entity(get_glob_type(), id, method);
2493 set_entity_ld_ident(ent, get_entity_ident(ent));
2494 set_entity_visibility(ent, visibility_external_allocated);
2496 } /* def_create_intrinsic_fkt */