2 * Copyright (C) 1995-2010 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Lower Double word operations, ie 64bit -> 32bit, 32bit -> 16bit etc.
24 * @author Michael Beck
37 #include "irgraph_t.h"
42 #include "dbginfo_t.h"
43 #include "iropt_dbg.h"
58 typedef struct lower_env_t lower_env_t;
61 * The type of a lower function.
63 * @param node the node to be lowered
64 * @param env the lower environment
66 typedef void (*lower_func)(ir_node *node, ir_mode *mode, lower_env_t *env);
68 /** A map from (op, imode, omode) to Intrinsic functions entities. */
69 static set *intrinsic_fkt;
71 /** A map from (imode, omode) to conv function types. */
72 static set *conv_types;
74 /** A map from a method type to its lowered type. */
75 static pmap *lowered_type;
77 /** The types for the binop and unop intrinsics. */
78 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;
80 /** the debug handle */
81 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
84 * An entry in the (op, imode, omode) -> entity map.
86 typedef struct op_mode_entry {
87 const ir_op *op; /**< the op */
88 const ir_mode *imode; /**< the input mode */
89 const ir_mode *omode; /**< the output mode */
90 ir_entity *ent; /**< the associated entity of this (op, imode, omode) triple */
94 * An entry in the (imode, omode) -> tp map.
96 typedef struct conv_tp_entry {
97 const ir_mode *imode; /**< the input mode */
98 const ir_mode *omode; /**< the output mode */
99 ir_type *mtd; /**< the associated method type of this (imode, omode) pair */
103 * Every double word node will be replaced,
104 * we need some store to hold the replacement:
106 typedef struct node_entry_t {
107 ir_node *low_word; /**< the low word */
108 ir_node *high_word; /**< the high word */
112 MUST_BE_LOWERED = 1, /**< graph must be lowered */
113 CF_CHANGED = 2, /**< control flow was changed */
117 * The lower environment.
120 node_entry_t **entries; /**< entries per node */
122 struct obstack obst; /**< an obstack holding the temporary data */
123 ir_type *l_mtp; /**< lowered method type of the current method */
124 ir_tarval *tv_mode_bytes; /**< a tarval containing the number of bytes in the lowered modes */
125 ir_tarval *tv_mode_bits; /**< a tarval containing the number of bits in the lowered modes */
126 pdeq *waitq; /**< a wait queue of all nodes that must be handled later */
127 ir_node **lowered_phis; /**< list of lowered phis */
128 pmap *proj_2_block; /**< a map from ProjX to its destination blocks */
129 ir_mode *high_signed; /**< doubleword signed type */
130 ir_mode *high_unsigned; /**< doubleword unsigned type */
131 ir_mode *low_signed; /**< word signed type */
132 ir_mode *low_unsigned; /**< word unsigned type */
133 ident *first_id; /**< .l for little and .h for big endian */
134 ident *next_id; /**< .h for little and .l for big endian */
135 const lwrdw_param_t *params; /**< transformation parameter */
136 unsigned flags; /**< some flags */
137 unsigned n_entries; /**< number of entries */
138 ir_type *value_param_tp; /**< the old value param type */
142 * Create a method type for a Conv emulation from imode to omode.
144 static ir_type *get_conv_type(ir_mode *imode, ir_mode *omode, lower_env_t *env)
146 conv_tp_entry_t key, *entry;
153 entry = (conv_tp_entry_t*)set_insert(conv_types, &key, sizeof(key), HASH_PTR(imode) ^ HASH_PTR(omode));
155 int n_param = 1, n_res = 1;
157 if (imode == env->high_signed || imode == env->high_unsigned)
159 if (omode == env->high_signed || omode == env->high_unsigned)
162 /* create a new one */
163 mtd = new_type_method(n_param, n_res);
165 /* set param types and result types */
167 if (imode == env->high_signed) {
168 set_method_param_type(mtd, n_param++, tp_u);
169 set_method_param_type(mtd, n_param++, tp_s);
170 } else if (imode == env->high_unsigned) {
171 set_method_param_type(mtd, n_param++, tp_u);
172 set_method_param_type(mtd, n_param++, tp_u);
174 ir_type *tp = get_type_for_mode(imode);
175 set_method_param_type(mtd, n_param++, tp);
179 if (omode == env->high_signed) {
180 set_method_res_type(mtd, n_res++, tp_u);
181 set_method_res_type(mtd, n_res++, tp_s);
182 } else if (omode == env->high_unsigned) {
183 set_method_res_type(mtd, n_res++, tp_u);
184 set_method_res_type(mtd, n_res++, tp_u);
186 ir_type *tp = get_type_for_mode(omode);
187 set_method_res_type(mtd, n_res++, tp);
197 * Add an additional control flow input to a block.
198 * Patch all Phi nodes. The new Phi inputs are copied from
199 * old input number nr.
201 static void add_block_cf_input_nr(ir_node *block, int nr, ir_node *cf)
203 int i, arity = get_irn_arity(block);
208 NEW_ARR_A(ir_node *, in, arity + 1);
209 for (i = 0; i < arity; ++i)
210 in[i] = get_irn_n(block, i);
213 set_irn_in(block, i + 1, in);
215 for (phi = get_Block_phis(block); phi != NULL; phi = get_Phi_next(phi)) {
216 for (i = 0; i < arity; ++i)
217 in[i] = get_irn_n(phi, i);
219 set_irn_in(phi, i + 1, in);
224 * Add an additional control flow input to a block.
225 * Patch all Phi nodes. The new Phi inputs are copied from
226 * old input from cf tmpl.
228 static void add_block_cf_input(ir_node *block, ir_node *tmpl, ir_node *cf)
230 int i, arity = get_irn_arity(block);
233 for (i = 0; i < arity; ++i) {
234 if (get_irn_n(block, i) == tmpl) {
240 add_block_cf_input_nr(block, nr, cf);
244 * Return the "operational" mode of a Firm node.
246 static ir_mode *get_irn_op_mode(ir_node *node)
248 switch (get_irn_opcode(node)) {
250 return get_Load_mode(node);
252 return get_irn_mode(get_Store_value(node));
254 return get_irn_mode(get_DivMod_left(node));
256 return get_irn_mode(get_Div_left(node));
258 return get_irn_mode(get_Mod_left(node));
260 return get_irn_mode(get_Cmp_left(node));
262 return get_irn_mode(node);
267 * Walker, prepare the node links and determine which nodes need to be lowered
270 static void prepare_links(lower_env_t *env, ir_node *node)
272 ir_mode *mode = get_irn_op_mode(node);
276 if (mode == env->high_signed || mode == env->high_unsigned) {
277 unsigned idx = get_irn_idx(node);
278 /* ok, found a node that will be lowered */
279 link = OALLOCZ(&env->obst, node_entry_t);
281 if (idx >= env->n_entries) {
282 /* enlarge: this happens only for Rotl nodes which is RARELY */
283 unsigned old = env->n_entries;
284 unsigned n_idx = idx + (idx >> 3);
286 ARR_RESIZE(node_entry_t *, env->entries, n_idx);
287 memset(&env->entries[old], 0, (n_idx - old) * sizeof(env->entries[0]));
288 env->n_entries = n_idx;
290 env->entries[idx] = link;
291 env->flags |= MUST_BE_LOWERED;
292 } else if (is_Conv(node)) {
293 /* Conv nodes have two modes */
294 ir_node *pred = get_Conv_op(node);
295 mode = get_irn_mode(pred);
297 if (mode == env->high_signed || mode == env->high_unsigned) {
298 /* must lower this node either but don't need a link */
299 env->flags |= MUST_BE_LOWERED;
305 /* link all Proj nodes to its predecessor:
306 Note that Tuple Proj's and its Projs are linked either. */
307 ir_node *pred = get_Proj_pred(node);
309 set_irn_link(node, get_irn_link(pred));
310 set_irn_link(pred, node);
311 } else if (is_Phi(node)) {
312 /* link all Phi nodes to its block */
313 ir_node *block = get_nodes_block(node);
314 add_Block_phi(block, node);
315 } else if (is_Block(node)) {
316 /* fill the Proj -> Block map */
317 for (i = get_Block_n_cfgpreds(node) - 1; i >= 0; --i) {
318 ir_node *pred = get_Block_cfgpred(node, i);
321 pmap_insert(env->proj_2_block, pred, node);
326 static node_entry_t *get_node_entry(lower_env_t *env, ir_node *node)
328 unsigned idx = get_irn_idx(node);
329 assert(idx < env->n_entries);
330 return env->entries[idx];
333 static void set_lowered(lower_env_t *env, ir_node *old,
334 ir_node *new_low, ir_node *new_high)
336 node_entry_t *entry = get_node_entry(env, old);
337 entry->low_word = new_low;
338 entry->high_word = new_high;
342 * Translate a Constant: create two.
344 static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env)
346 ir_graph *irg = get_irn_irg(node);
347 dbg_info *dbg = get_irn_dbg_info(node);
348 ir_mode *low_mode = env->low_unsigned;
349 ir_tarval *tv = get_Const_tarval(node);
350 ir_tarval *tv_l = tarval_convert_to(tv, low_mode);
351 ir_node *res_low = new_rd_Const(dbg, irg, tv_l);
352 ir_tarval *tv_shrs = tarval_shrs(tv, env->tv_mode_bits);
353 ir_tarval *tv_h = tarval_convert_to(tv_shrs, mode);
354 ir_node *res_high = new_rd_Const(dbg, irg, tv_h);
356 set_lowered(env, node, res_low, res_high);
360 * Translate a Load: create two.
362 static void lower_Load(ir_node *node, ir_mode *mode, lower_env_t *env)
364 ir_mode *low_mode = env->low_unsigned;
365 ir_graph *irg = get_irn_irg(node);
366 ir_node *adr = get_Load_ptr(node);
367 ir_node *mem = get_Load_mem(node);
368 ir_node *low, *high, *proj;
370 ir_node *block = get_nodes_block(node);
371 ir_cons_flags volatility = get_Load_volatility(node) == volatility_is_volatile
372 ? cons_volatile : cons_none;
374 if (env->params->little_endian) {
376 high = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
378 low = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
382 /* create two loads */
383 dbg = get_irn_dbg_info(node);
384 low = new_rd_Load(dbg, block, mem, low, low_mode, volatility);
385 proj = new_r_Proj(low, mode_M, pn_Load_M);
386 high = new_rd_Load(dbg, block, proj, high, mode, volatility);
388 set_lowered(env, node, low, high);
390 for (proj = (ir_node*)get_irn_link(node); proj;
391 proj = (ir_node*)get_irn_link(proj)) {
392 switch (get_Proj_proj(proj)) {
393 case pn_Load_M: /* Memory result. */
394 /* put it to the second one */
395 set_Proj_pred(proj, high);
397 case pn_Load_X_except: /* Execution result if exception occurred. */
398 /* put it to the first one */
399 set_Proj_pred(proj, low);
401 case pn_Load_res: { /* Result of load operation. */
402 ir_node *res_low = new_r_Proj(low, low_mode, pn_Load_res);
403 ir_node *res_high = new_r_Proj(high, mode, pn_Load_res);
404 set_lowered(env, proj, res_low, res_high);
408 assert(0 && "unexpected Proj number");
410 /* mark this proj: we have handled it already, otherwise we might fall
411 * into out new nodes. */
412 mark_irn_visited(proj);
417 * Translate a Store: create two.
419 static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env)
422 ir_node *block, *adr, *mem;
423 ir_node *low, *high, *proj;
425 ir_node *value = get_Store_value(node);
426 const node_entry_t *entry = get_node_entry(env, value);
427 ir_cons_flags volatility = get_Store_volatility(node) == volatility_is_volatile
428 ? cons_volatile : cons_none;
433 if (! entry->low_word) {
434 /* not ready yet, wait */
435 pdeq_putr(env->waitq, node);
439 irg = get_irn_irg(node);
440 adr = get_Store_ptr(node);
441 mem = get_Store_mem(node);
442 block = get_nodes_block(node);
444 if (env->params->little_endian) {
446 high = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
448 low = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
452 /* create two Stores */
453 dbg = get_irn_dbg_info(node);
454 low = new_rd_Store(dbg, block, mem, low, entry->low_word, volatility);
455 proj = new_r_Proj(low, mode_M, pn_Store_M);
456 high = new_rd_Store(dbg, block, proj, high, entry->high_word, volatility);
458 set_lowered(env, node, low, high);
460 for (proj = (ir_node*)get_irn_link(node); proj;
461 proj = (ir_node*)get_irn_link(proj)) {
462 switch (get_Proj_proj(proj)) {
463 case pn_Store_M: /* Memory result. */
464 /* put it to the second one */
465 set_Proj_pred(proj, high);
467 case pn_Store_X_except: /* Execution result if exception occurred. */
468 /* put it to the first one */
469 set_Proj_pred(proj, low);
472 assert(0 && "unexpected Proj number");
474 /* mark this proj: we have handled it already, otherwise we might fall into
476 mark_irn_visited(proj);
481 * Return a node containing the address of the intrinsic emulation function.
483 * @param method the method type of the emulation function
484 * @param op the emulated ir_op
485 * @param imode the input mode of the emulated opcode
486 * @param omode the output mode of the emulated opcode
487 * @param env the lower environment
489 static ir_node *get_intrinsic_address(ir_type *method, ir_op *op,
490 ir_mode *imode, ir_mode *omode,
495 op_mode_entry_t key, *entry;
502 entry = (op_mode_entry_t*)set_insert(intrinsic_fkt, &key, sizeof(key),
503 HASH_PTR(op) ^ HASH_PTR(imode) ^ (HASH_PTR(omode) << 8));
505 /* create a new one */
506 ent = env->params->create_intrinsic(method, op, imode, omode, env->params->ctx);
508 assert(ent && "Intrinsic creator must return an entity");
514 return new_r_SymConst(env->irg, mode_P_code, sym, symconst_addr_ent);
520 * Create an intrinsic Call.
522 static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env)
524 ir_node *left = get_Div_left(node);
525 ir_node *right = get_Div_right(node);
526 const node_entry_t *left_entry = get_node_entry(env, left);
527 const node_entry_t *right_entry = get_node_entry(env, right);
528 ir_node *block = get_nodes_block(node);
529 dbg_info *dbgi = get_irn_dbg_info(node);
531 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
532 ir_mode *opmode = get_irn_op_mode(node);
534 = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env);
536 left_entry->low_word, left_entry->high_word,
537 right_entry->low_word, right_entry->high_word };
539 = new_rd_Call(dbgi, block, get_Div_mem(node), addr, 4, in, mtp);
540 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
543 set_irn_pinned(call, get_irn_pinned(node));
545 for (proj = (ir_node*)get_irn_link(node); proj;
546 proj = (ir_node*)get_irn_link(proj)) {
547 switch (get_Proj_proj(proj)) {
548 case pn_Div_M: /* Memory result. */
549 /* reroute to the call */
550 set_Proj_pred(proj, call);
551 set_Proj_proj(proj, pn_Call_M);
553 case pn_Div_X_except: /* Execution result if exception occurred. */
554 /* reroute to the call */
555 set_Proj_pred(proj, call);
556 set_Proj_proj(proj, pn_Call_X_except);
559 /* Result of computation. */
560 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
561 ir_node *res_high = new_r_Proj(resproj, mode, 1);
562 set_lowered(env, proj, res_low, res_high);
566 assert(0 && "unexpected Proj number");
568 /* mark this proj: we have handled it already, otherwise we might fall into
570 mark_irn_visited(proj);
577 * Create an intrinsic Call.
579 static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env)
581 ir_node *left = get_Mod_left(node);
582 ir_node *right = get_Mod_right(node);
583 const node_entry_t *left_entry = get_node_entry(env, left);
584 const node_entry_t *right_entry = get_node_entry(env, right);
586 left_entry->low_word, left_entry->high_word,
587 right_entry->low_word, right_entry->high_word
589 dbg_info *dbgi = get_irn_dbg_info(node);
590 ir_node *block = get_nodes_block(node);
592 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
593 ir_mode *opmode = get_irn_op_mode(node);
595 = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env);
597 = new_rd_Call(dbgi, block, get_Mod_mem(node), addr, 4, in, mtp);
598 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
600 set_irn_pinned(call, get_irn_pinned(node));
602 for (proj = (ir_node*)get_irn_link(node); proj;
603 proj = (ir_node*)get_irn_link(proj)) {
604 switch (get_Proj_proj(proj)) {
605 case pn_Mod_M: /* Memory result. */
606 /* reroute to the call */
607 set_Proj_pred(proj, call);
608 set_Proj_proj(proj, pn_Call_M);
610 case pn_Mod_X_except: /* Execution result if exception occurred. */
611 /* reroute to the call */
612 set_Proj_pred(proj, call);
613 set_Proj_proj(proj, pn_Call_X_except);
616 /* Result of computation. */
617 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
618 ir_node *res_high = new_r_Proj(resproj, mode, 1);
619 set_lowered(env, proj, res_low, res_high);
623 assert(0 && "unexpected Proj number");
625 /* mark this proj: we have handled it already, otherwise we might fall
626 * into out new nodes. */
627 mark_irn_visited(proj);
631 static void lower_DivMod(ir_node *node, ir_mode *mode, lower_env_t *env)
636 panic("DivMod is deprecated, no doubleword lowering");
642 * Create an intrinsic Call.
644 static void lower_binop(ir_node *node, ir_mode *mode, lower_env_t *env)
646 ir_node *left = get_binop_left(node);
647 ir_node *right = get_binop_right(node);
648 const node_entry_t *left_entry = get_node_entry(env, left);
649 const node_entry_t *right_entry = get_node_entry(env, right);
651 left_entry->low_word, left_entry->high_word,
652 right_entry->low_word, right_entry->high_word
654 dbg_info *dbgi = get_irn_dbg_info(node);
655 ir_node *block = get_nodes_block(node);
656 ir_graph *irg = get_irn_irg(block);
658 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
660 = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
662 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 4, in, mtp);
663 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
664 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
665 ir_node *res_high = new_r_Proj(resproj, mode, 1);
666 set_irn_pinned(call, get_irn_pinned(node));
667 set_lowered(env, node, res_low, res_high);
671 * Translate a Shiftop.
673 * Create an intrinsic Call.
675 static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env)
677 ir_node *block = get_nodes_block(node);
678 ir_node *left = get_binop_left(node);
679 const node_entry_t *left_entry = get_node_entry(env, left);
680 ir_node *right = get_binop_right(node);
682 left_entry->low_word, left_entry->high_word,
683 /* it should be safe to conv to low_unsigned */
684 new_r_Conv(block, right, env->low_unsigned)
686 dbg_info *dbgi = get_irn_dbg_info(node);
687 ir_graph *irg = get_irn_irg(block);
689 = mode_is_signed(mode) ? shiftop_tp_s : shiftop_tp_u;
691 = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
693 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 3, in, mtp);
694 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
695 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
696 ir_node *res_high = new_r_Proj(resproj, mode, 1);
698 set_irn_pinned(call, get_irn_pinned(node));
699 set_lowered(env, node, res_low, res_high);
703 * Translate a Shr and handle special cases.
705 static void lower_Shr(ir_node *node, ir_mode *mode, lower_env_t *env)
707 ir_graph *irg = get_irn_irg(node);
708 ir_node *right = get_Shr_right(node);
710 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
711 ir_tarval *tv = get_Const_tarval(right);
713 if (tarval_is_long(tv) &&
714 get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
715 ir_node *block = get_nodes_block(node);
716 ir_node *left = get_Shr_left(node);
717 ir_mode *low_unsigned = env->low_unsigned;
718 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
719 const node_entry_t *left_entry = get_node_entry(env, left);
723 left = left_entry->high_word;
725 /* convert high word into low_unsigned mode if necessary */
726 if (get_irn_mode(left) != low_unsigned)
727 left = new_r_Conv(block, left, low_unsigned);
730 ir_node *c = new_r_Const_long(irg, low_unsigned, shf_cnt);
731 res_low = new_r_Shr(block, left, c, low_unsigned);
735 res_high = new_r_Const(irg, get_mode_null(mode));
736 set_lowered(env, node, res_low, res_high);
741 lower_Shiftop(node, mode, env);
745 * Translate a Shl and handle special cases.
747 static void lower_Shl(ir_node *node, ir_mode *mode, lower_env_t *env)
749 ir_graph *irg = get_irn_irg(node);
750 ir_node *right = get_Shl_right(node);
752 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
753 ir_tarval *tv = get_Const_tarval(right);
755 if (tarval_is_long(tv)) {
756 long value = get_tarval_long(tv);
757 if (value >= (long)get_mode_size_bits(mode)) {
758 /* simple case: shift above the lower word */
760 ir_node *block = get_nodes_block(node);
761 ir_node *left = get_Shl_left(node);
763 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
764 const node_entry_t *left_entry = get_node_entry(env, left);
768 left = left_entry->low_word;
769 left = new_r_Conv(block, left, mode);
771 mode_l = env->low_unsigned;
773 c = new_r_Const_long(irg, mode_l, shf_cnt);
774 res_high = new_r_Shl(block, left, c, mode);
778 res_low = new_r_Const(irg, get_mode_null(mode_l));
779 set_lowered(env, node, res_low, res_high);
784 /* left << 1 == left + left */
785 ir_node *left = get_binop_left(node);
786 const node_entry_t *left_entry = get_node_entry(env, left);
788 left_entry->low_word, left_entry->high_word,
789 left_entry->low_word, left_entry->high_word,
791 dbg_info *dbgi = get_irn_dbg_info(node);
792 ir_node *block = get_nodes_block(node);
793 ir_graph *irg = get_irn_irg(block);
795 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
797 = get_intrinsic_address(mtp, op_Add, mode, mode, env);
799 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 4, in, mtp);
800 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
801 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
802 ir_node *res_high = new_r_Proj(resproj, mode, 1);
803 set_irn_pinned(call, get_irn_pinned(node));
804 set_lowered(env, node, res_low, res_high);
810 lower_Shiftop(node, mode, env);
814 * Translate a Shrs and handle special cases.
816 static void lower_Shrs(ir_node *node, ir_mode *mode, lower_env_t *env)
818 ir_graph *irg = get_irn_irg(node);
819 ir_node *right = get_Shrs_right(node);
821 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
822 ir_tarval *tv = get_Const_tarval(right);
824 if (tarval_is_long(tv) &&
825 get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
826 ir_node *block = get_nodes_block(node);
827 ir_node *left = get_Shrs_left(node);
828 ir_mode *low_unsigned = env->low_unsigned;
829 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
830 const node_entry_t *left_entry = get_node_entry(env, left);
831 ir_node *left_unsigned = left;
836 left = left_entry->high_word;
838 /* convert high word into low_unsigned mode if necessary */
839 if (get_irn_mode(left_unsigned) != low_unsigned)
840 left_unsigned = new_r_Conv(block, left, low_unsigned);
843 c = new_r_Const_long(irg, low_unsigned, shf_cnt);
844 res_low = new_r_Shrs(block, left_unsigned, c, low_unsigned);
846 res_low = left_unsigned;
849 c = new_r_Const(irg, get_mode_all_one(low_unsigned));
850 res_high = new_r_Shrs(block, left, c, mode);
851 set_lowered(env, node, res_low, res_high);
855 lower_Shiftop(node, mode, env);
859 * Rebuild Rotl nodes into Or(Shl, Shr) and prepare all nodes.
861 static void prepare_links_and_handle_rotl(ir_node *node, void *env)
863 lower_env_t *lenv = (lower_env_t*)env;
866 ir_mode *mode = get_irn_op_mode(node);
868 ir_node *left, *shl, *shr, *ornode, *block, *sub, *c;
869 ir_mode *omode, *rmode;
872 optimization_state_t state;
874 if (mode != lenv->high_signed && mode != lenv->high_unsigned) {
875 prepare_links(lenv, node);
879 /* replace the Rotl(x,y) by an Or(Shl(x,y), Shr(x,64-y)) */
880 right = get_Rotl_right(node);
881 irg = get_irn_irg(node);
882 dbg = get_irn_dbg_info(node);
883 omode = get_irn_mode(node);
884 left = get_Rotl_left(node);
885 block = get_nodes_block(node);
886 shl = new_rd_Shl(dbg, block, left, right, omode);
887 rmode = get_irn_mode(right);
888 c = new_r_Const_long(irg, rmode, get_mode_size_bits(omode));
889 sub = new_rd_Sub(dbg, block, c, right, rmode);
890 shr = new_rd_Shr(dbg, block, left, sub, omode);
892 /* switch optimization off here, or we will get the Rotl back */
893 save_optimization_state(&state);
894 set_opt_algebraic_simplification(0);
895 ornode = new_rd_Or(dbg, block, shl, shr, omode);
896 restore_optimization_state(&state);
898 exchange(node, ornode);
900 /* do lowering on the new nodes */
901 prepare_links(lenv, shl);
902 prepare_links(lenv, c);
903 prepare_links(lenv, sub);
904 prepare_links(lenv, shr);
905 prepare_links(lenv, ornode);
909 prepare_links(lenv, node);
915 * Create an intrinsic Call.
917 static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env)
919 ir_node *op = get_unop_op(node);
920 const node_entry_t *op_entry = get_node_entry(env, op);
921 ir_node *in[2] = { op_entry->low_word, op_entry->high_word };
922 dbg_info *dbgi = get_irn_dbg_info(node);
923 ir_node *block = get_nodes_block(node);
924 ir_graph *irg = get_irn_irg(block);
925 ir_type *mtp = mode_is_signed(mode) ? unop_tp_s : unop_tp_u;
926 ir_op *irop = get_irn_op(node);
927 ir_node *addr = get_intrinsic_address(mtp, irop, mode, mode, env);
928 ir_node *nomem = get_irg_no_mem(irg);
929 ir_node *call = new_rd_Call(dbgi, block, nomem, addr, 2, in, mtp);
930 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
931 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
932 ir_node *res_high = new_r_Proj(resproj, mode, 1);
933 set_irn_pinned(call, get_irn_pinned(node));
934 set_lowered(env, node, res_low, res_high);
938 * Translate a logical binop.
940 * Create two logical binops.
942 static void lower_binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env,
943 ir_node *(*constr_rd)(dbg_info *db, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) )
945 ir_node *left = get_binop_left(node);
946 ir_node *right = get_binop_right(node);
947 const node_entry_t *left_entry = get_node_entry(env, left);
948 const node_entry_t *right_entry = get_node_entry(env, right);
949 dbg_info *dbgi = get_irn_dbg_info(node);
950 ir_node *block = get_nodes_block(node);
952 = constr_rd(dbgi, block, left_entry->low_word, right_entry->low_word,
955 = constr_rd(dbgi, block, left_entry->high_word, right_entry->high_word,
957 set_lowered(env, node, res_low, res_high);
960 static void lower_And(ir_node *node, ir_mode *mode, lower_env_t *env)
962 lower_binop_logical(node, mode, env, new_rd_And);
965 static void lower_Or(ir_node *node, ir_mode *mode, lower_env_t *env)
967 lower_binop_logical(node, mode, env, new_rd_Or);
970 static void lower_Eor(ir_node *node, ir_mode *mode, lower_env_t *env)
972 lower_binop_logical(node, mode, env, new_rd_Eor);
978 * Create two logical Nots.
980 static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env)
982 ir_node *op = get_Not_op(node);
983 const node_entry_t *op_entry = get_node_entry(env, op);
984 dbg_info *dbgi = get_irn_dbg_info(node);
985 ir_node *block = get_nodes_block(node);
987 = new_rd_Not(dbgi, block, op_entry->low_word, env->low_unsigned);
989 = new_rd_Not(dbgi, block, op_entry->high_word, mode);
990 set_lowered(env, node, res_low, res_high);
996 static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env)
998 ir_node *cmp, *left, *right, *block;
999 ir_node *sel = get_Cond_selector(node);
1000 ir_mode *m = get_irn_mode(sel);
1002 const node_entry_t *lentry, *rentry;
1003 ir_node *proj, *projT = NULL, *projF = NULL;
1004 ir_node *new_bl, *cmpH, *cmpL, *irn;
1005 ir_node *projHF, *projHT;
1014 if (m == env->high_signed || m == env->high_unsigned) {
1015 /* bad we can't really handle Switch with 64bit offsets */
1016 panic("Cond with 64bit jumptable not supported");
1024 cmp = get_Proj_pred(sel);
1028 left = get_Cmp_left(cmp);
1029 cmp_mode = get_irn_mode(left);
1030 if (cmp_mode != env->high_signed && cmp_mode != env->high_unsigned)
1033 right = get_Cmp_right(cmp);
1034 lentry = get_node_entry(env, left);
1035 rentry = get_node_entry(env, right);
1037 /* all right, build the code */
1038 for (proj = (ir_node*)get_irn_link(node); proj;
1039 proj = (ir_node*)get_irn_link(proj)) {
1040 long proj_nr = get_Proj_proj(proj);
1042 if (proj_nr == pn_Cond_true) {
1043 assert(projT == NULL && "more than one Proj(true)");
1046 assert(proj_nr == pn_Cond_false);
1047 assert(projF == NULL && "more than one Proj(false)");
1050 mark_irn_visited(proj);
1052 assert(projT && projF);
1054 /* create a new high compare */
1055 block = get_nodes_block(node);
1056 irg = get_Block_irg(block);
1057 dbg = get_irn_dbg_info(cmp);
1058 pnc = get_Proj_pn_cmp(sel);
1060 if (is_Const(right) && is_Const_null(right)) {
1061 if (pnc == pn_Cmp_Eq || pnc == pn_Cmp_Lg) {
1062 /* x ==/!= 0 ==> or(low,high) ==/!= 0 */
1063 ir_mode *mode = env->low_unsigned;
1064 ir_node *low = new_r_Conv(block, lentry->low_word, mode);
1065 ir_node *high = new_r_Conv(block, lentry->high_word, mode);
1066 ir_node *ornode = new_rd_Or(dbg, block, low, high, mode);
1067 ir_node *cmp = new_rd_Cmp(dbg, block, ornode, new_r_Const_long(irg, mode, 0));
1069 ir_node *proj = new_r_Proj(cmp, mode_b, pnc);
1070 set_Cond_selector(node, proj);
1075 cmpH = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word);
1077 if (pnc == pn_Cmp_Eq) {
1078 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1079 pmap_entry *entry = pmap_find(env->proj_2_block, projF);
1082 dst_blk = (ir_node*)entry->value;
1084 irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Eq);
1085 dbg = get_irn_dbg_info(node);
1086 irn = new_rd_Cond(dbg, block, irn);
1088 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1089 mark_irn_visited(projHF);
1090 exchange(projF, projHF);
1092 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1093 mark_irn_visited(projHT);
1095 new_bl = new_r_Block(irg, 1, &projHT);
1097 dbg = get_irn_dbg_info(cmp);
1098 cmpL = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word);
1099 irn = new_r_Proj(cmpL, mode_b, pn_Cmp_Eq);
1100 dbg = get_irn_dbg_info(node);
1101 irn = new_rd_Cond(dbg, new_bl, irn);
1103 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1104 mark_irn_visited(proj);
1105 add_block_cf_input(dst_blk, projHF, proj);
1107 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1108 mark_irn_visited(proj);
1109 exchange(projT, proj);
1110 } else if (pnc == pn_Cmp_Lg) {
1111 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1112 pmap_entry *entry = pmap_find(env->proj_2_block, projT);
1115 dst_blk = (ir_node*)entry->value;
1117 irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Lg);
1118 dbg = get_irn_dbg_info(node);
1119 irn = new_rd_Cond(dbg, block, irn);
1121 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1122 mark_irn_visited(projHT);
1123 exchange(projT, projHT);
1125 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1126 mark_irn_visited(projHF);
1128 new_bl = new_r_Block(irg, 1, &projHF);
1130 dbg = get_irn_dbg_info(cmp);
1131 cmpL = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word);
1132 irn = new_r_Proj(cmpL, mode_b, pn_Cmp_Lg);
1133 dbg = get_irn_dbg_info(node);
1134 irn = new_rd_Cond(dbg, new_bl, irn);
1136 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1137 mark_irn_visited(proj);
1138 add_block_cf_input(dst_blk, projHT, proj);
1140 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1141 mark_irn_visited(proj);
1142 exchange(projF, proj);
1144 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1145 ir_node *dstT, *dstF, *newbl_eq, *newbl_l;
1148 entry = pmap_find(env->proj_2_block, projT);
1150 dstT = (ir_node*)entry->value;
1152 entry = pmap_find(env->proj_2_block, projF);
1154 dstF = (ir_node*)entry->value;
1156 irn = new_r_Proj(cmpH, mode_b, pnc & ~pn_Cmp_Eq);
1157 dbg = get_irn_dbg_info(node);
1158 irn = new_rd_Cond(dbg, block, irn);
1160 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1161 mark_irn_visited(projHT);
1162 exchange(projT, projHT);
1165 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1166 mark_irn_visited(projHF);
1168 newbl_eq = new_r_Block(irg, 1, &projHF);
1170 irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Eq);
1171 irn = new_rd_Cond(dbg, newbl_eq, irn);
1173 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1174 mark_irn_visited(proj);
1175 exchange(projF, proj);
1178 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1179 mark_irn_visited(proj);
1181 newbl_l = new_r_Block(irg, 1, &proj);
1183 dbg = get_irn_dbg_info(cmp);
1184 cmpL = new_rd_Cmp(dbg, newbl_l, lentry->low_word, rentry->low_word);
1185 irn = new_r_Proj(cmpL, mode_b, pnc);
1186 dbg = get_irn_dbg_info(node);
1187 irn = new_rd_Cond(dbg, newbl_l, irn);
1189 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1190 mark_irn_visited(proj);
1191 add_block_cf_input(dstT, projT, proj);
1193 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1194 mark_irn_visited(proj);
1195 add_block_cf_input(dstF, projF, proj);
1198 /* we have changed the control flow */
1199 env->flags |= CF_CHANGED;
1203 * Translate a Conv to higher_signed
1205 static void lower_Conv_to_Ll(ir_node *node, lower_env_t *env)
1207 ir_mode *omode = get_irn_mode(node);
1208 ir_node *op = get_Conv_op(node);
1209 ir_mode *imode = get_irn_mode(op);
1210 ir_graph *irg = get_irn_irg(node);
1211 ir_node *block = get_nodes_block(node);
1212 dbg_info *dbg = get_irn_dbg_info(node);
1216 ir_mode *low_unsigned = env->low_unsigned;
1218 = mode_is_signed(omode) ? env->low_signed : low_unsigned;
1220 if (mode_is_int(imode) || mode_is_reference(imode)) {
1221 if (imode == env->high_signed || imode == env->high_unsigned) {
1222 /* a Conv from Lu to Ls or Ls to Lu */
1223 const node_entry_t *op_entry = get_node_entry(env, op);
1224 res_low = op_entry->low_word;
1225 res_high = new_rd_Conv(dbg, block, op_entry->high_word, low_signed);
1227 /* simple case: create a high word */
1228 if (imode != low_unsigned)
1229 op = new_rd_Conv(dbg, block, op, low_unsigned);
1233 if (mode_is_signed(imode)) {
1234 int c = get_mode_size_bits(low_signed) - 1;
1235 ir_node *cnst = new_r_Const_long(irg, low_unsigned, c);
1236 if (get_irn_mode(op) != low_signed)
1237 op = new_rd_Conv(dbg, block, op, low_signed);
1238 res_high = new_rd_Shrs(dbg, block, op, cnst, low_signed);
1240 res_high = new_r_Const(irg, get_mode_null(low_signed));
1243 } else if (imode == mode_b) {
1244 res_low = new_rd_Conv(dbg, block, op, low_unsigned);
1245 res_high = new_r_Const(irg, get_mode_null(low_signed));
1247 ir_node *irn, *call;
1248 ir_type *mtp = get_conv_type(imode, omode, env);
1250 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
1251 call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
1252 set_irn_pinned(call, get_irn_pinned(node));
1253 irn = new_r_Proj(call, mode_T, pn_Call_T_result);
1255 res_low = new_r_Proj(irn, low_unsigned, 0);
1256 res_high = new_r_Proj(irn, low_signed, 1);
1258 set_lowered(env, node, res_low, res_high);
1262 * Translate a Conv from higher_unsigned
1264 static void lower_Conv_from_Ll(ir_node *node, lower_env_t *env)
1266 ir_node *op = get_Conv_op(node);
1267 ir_mode *omode = get_irn_mode(node);
1268 ir_node *block = get_nodes_block(node);
1269 dbg_info *dbg = get_irn_dbg_info(node);
1270 ir_graph *irg = get_irn_irg(node);
1271 const node_entry_t *entry = get_node_entry(env, op);
1273 if (mode_is_int(omode) || mode_is_reference(omode)) {
1274 op = entry->low_word;
1276 /* simple case: create a high word */
1277 if (omode != env->low_unsigned)
1278 op = new_rd_Conv(dbg, block, op, omode);
1280 set_Conv_op(node, op);
1281 } else if (omode == mode_b) {
1282 /* llu ? true : false <=> (low|high) ? true : false */
1283 ir_mode *mode = env->low_unsigned;
1284 ir_node *ornode = new_rd_Or(dbg, block, entry->low_word,
1285 entry->high_word, mode);
1286 set_Conv_op(node, ornode);
1288 ir_node *irn, *call, *in[2];
1289 ir_mode *imode = get_irn_mode(op);
1290 ir_type *mtp = get_conv_type(imode, omode, env);
1292 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
1293 in[0] = entry->low_word;
1294 in[1] = entry->high_word;
1296 call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
1297 set_irn_pinned(call, get_irn_pinned(node));
1298 irn = new_r_Proj(call, mode_T, pn_Call_T_result);
1300 exchange(node, new_r_Proj(irn, omode, 0));
1305 * lower boolean Proj(Cmp)
1307 static void lower_Proj_Cmp(lower_env_t *env, ir_node *proj)
1309 ir_node *cmp = get_Proj_pred(proj);
1310 ir_node *l = get_Cmp_left(cmp);
1311 ir_mode *mode = get_irn_mode(l);
1312 ir_node *r, *low, *high, *t, *res;
1316 const node_entry_t *lentry;
1317 const node_entry_t *rentry;
1319 if (mode != env->high_signed && mode != env->high_unsigned) {
1323 r = get_Cmp_right(cmp);
1324 lentry = get_node_entry(env, l);
1325 rentry = get_node_entry(env, r);
1326 pnc = get_Proj_pn_cmp(proj);
1327 blk = get_nodes_block(cmp);
1328 db = get_irn_dbg_info(cmp);
1329 low = new_rd_Cmp(db, blk, lentry->low_word, rentry->low_word);
1330 high = new_rd_Cmp(db, blk, lentry->high_word, rentry->high_word);
1332 if (pnc == pn_Cmp_Eq) {
1333 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1334 res = new_rd_And(db, blk,
1335 new_r_Proj(low, mode_b, pnc),
1336 new_r_Proj(high, mode_b, pnc),
1338 } else if (pnc == pn_Cmp_Lg) {
1339 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1340 res = new_rd_Or(db, blk,
1341 new_r_Proj(low, mode_b, pnc),
1342 new_r_Proj(high, mode_b, pnc),
1345 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1346 t = new_rd_And(db, blk,
1347 new_r_Proj(low, mode_b, pnc),
1348 new_r_Proj(high, mode_b, pn_Cmp_Eq),
1350 res = new_rd_Or(db, blk,
1351 new_r_Proj(high, mode_b, pnc & ~pn_Cmp_Eq),
1355 exchange(proj, res);
1358 static void lower_Proj(ir_node *node, ir_mode *mode, lower_env_t *env)
1360 ir_node *pred = get_Proj_pred(node);
1363 lower_Proj_Cmp(env, node);
1370 static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env)
1372 mode = get_irn_mode(node);
1374 if (mode == env->high_signed || mode == env->high_unsigned) {
1375 lower_Conv_to_Ll(node, env);
1377 ir_mode *op_mode = get_irn_mode(get_Conv_op(node));
1379 if (op_mode == env->high_signed || op_mode == env->high_unsigned) {
1380 lower_Conv_from_Ll(node, env);
1386 * Lower the method type.
1388 * @param env the lower environment
1389 * @param mtp the method type to lower
1391 * @return the lowered type
1393 static ir_type *lower_mtp(lower_env_t *env, ir_type *mtp)
1397 ir_type *res, *value_type;
1399 if (is_lowered_type(mtp))
1402 entry = pmap_find(lowered_type, mtp);
1404 int i, n, r, n_param, n_res;
1406 /* count new number of params */
1407 n_param = n = get_method_n_params(mtp);
1408 for (i = n_param - 1; i >= 0; --i) {
1409 ir_type *tp = get_method_param_type(mtp, i);
1411 if (is_Primitive_type(tp)) {
1412 ir_mode *mode = get_type_mode(tp);
1414 if (mode == env->high_signed ||
1415 mode == env->high_unsigned)
1420 /* count new number of results */
1421 n_res = r = get_method_n_ress(mtp);
1422 for (i = n_res - 1; i >= 0; --i) {
1423 ir_type *tp = get_method_res_type(mtp, i);
1425 if (is_Primitive_type(tp)) {
1426 ir_mode *mode = get_type_mode(tp);
1428 if (mode == env->high_signed ||
1429 mode == env->high_unsigned)
1434 res = new_type_method(n_param, n_res);
1436 /* set param types and result types */
1437 for (i = n_param = 0; i < n; ++i) {
1438 ir_type *tp = get_method_param_type(mtp, i);
1440 if (is_Primitive_type(tp)) {
1441 ir_mode *mode = get_type_mode(tp);
1443 if (mode == env->high_signed) {
1444 set_method_param_type(res, n_param++, tp_u);
1445 set_method_param_type(res, n_param++, tp_s);
1446 } else if (mode == env->high_unsigned) {
1447 set_method_param_type(res, n_param++, tp_u);
1448 set_method_param_type(res, n_param++, tp_u);
1450 set_method_param_type(res, n_param++, tp);
1453 set_method_param_type(res, n_param++, tp);
1456 for (i = n_res = 0; i < r; ++i) {
1457 ir_type *tp = get_method_res_type(mtp, i);
1459 if (is_Primitive_type(tp)) {
1460 ir_mode *mode = get_type_mode(tp);
1462 if (mode == env->high_signed) {
1463 set_method_res_type(res, n_res++, tp_u);
1464 set_method_res_type(res, n_res++, tp_s);
1465 } else if (mode == env->high_unsigned) {
1466 set_method_res_type(res, n_res++, tp_u);
1467 set_method_res_type(res, n_res++, tp_u);
1469 set_method_res_type(res, n_res++, tp);
1472 set_method_res_type(res, n_res++, tp);
1475 set_lowered_type(mtp, res);
1476 pmap_insert(lowered_type, mtp, res);
1478 value_type = get_method_value_param_type(mtp);
1479 if (value_type != NULL) {
1480 /* this creates a new value parameter type */
1481 (void)get_method_value_param_ent(res, 0);
1483 /* set new param positions */
1484 for (i = n_param = 0; i < n; ++i) {
1485 ir_type *tp = get_method_param_type(mtp, i);
1486 ident *id = get_method_param_ident(mtp, i);
1487 ir_entity *ent = get_method_value_param_ent(mtp, i);
1489 set_entity_link(ent, INT_TO_PTR(n_param));
1490 if (is_Primitive_type(tp)) {
1491 ir_mode *mode = get_type_mode(tp);
1493 if (mode == env->high_signed || mode == env->high_unsigned) {
1495 lid = id_mangle(id, env->first_id);
1496 set_method_param_ident(res, n_param, lid);
1497 set_entity_ident(get_method_value_param_ent(res, n_param), lid);
1498 lid = id_mangle(id, env->next_id);
1499 set_method_param_ident(res, n_param + 1, lid);
1500 set_entity_ident(get_method_value_param_ent(res, n_param + 1), lid);
1507 set_method_param_ident(res, n_param, id);
1508 set_entity_ident(get_method_value_param_ent(res, n_param), id);
1513 set_lowered_type(value_type, get_method_value_param_type(res));
1516 res = (ir_type*)entry->value;
1522 * Translate a Return.
1524 static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env)
1526 ir_graph *irg = get_irn_irg(node);
1527 ir_entity *ent = get_irg_entity(irg);
1528 ir_type *mtp = get_entity_type(ent);
1534 /* check if this return must be lowered */
1535 for (i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1536 ir_node *pred = get_Return_res(node, i);
1537 ir_mode *mode = get_irn_op_mode(pred);
1539 if (mode == env->high_signed || mode == env->high_unsigned)
1545 ent = get_irg_entity(irg);
1546 mtp = get_entity_type(ent);
1548 mtp = lower_mtp(env, mtp);
1549 set_entity_type(ent, mtp);
1551 /* create a new in array */
1552 NEW_ARR_A(ir_node *, in, get_method_n_ress(mtp) + 1);
1553 in[0] = get_Return_mem(node);
1555 for (j = i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1556 ir_node *pred = get_Return_res(node, i);
1557 ir_mode *pred_mode = get_irn_mode(pred);
1559 if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
1560 const node_entry_t *entry = get_node_entry(env, pred);
1561 in[++j] = entry->low_word;
1562 in[++j] = entry->high_word;
1568 set_irn_in(node, j+1, in);
1572 * Translate the parameters.
1574 static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env)
1576 ir_graph *irg = get_irn_irg(node);
1577 ir_entity *ent = get_irg_entity(irg);
1578 ir_type *tp = get_entity_type(ent);
1581 int i, j, n_params, rem;
1582 ir_node *proj, *args;
1585 if (is_lowered_type(tp)) {
1586 mtp = get_associated_type(tp);
1590 assert(! is_lowered_type(mtp));
1592 n_params = get_method_n_params(mtp);
1596 NEW_ARR_A(long, new_projs, n_params);
1598 /* first check if we have parameters that must be fixed */
1599 for (i = j = 0; i < n_params; ++i, ++j) {
1600 ir_type *tp = get_method_param_type(mtp, i);
1603 if (is_Primitive_type(tp)) {
1604 ir_mode *mode = get_type_mode(tp);
1606 if (mode == env->high_signed ||
1607 mode == env->high_unsigned)
1614 mtp = lower_mtp(env, mtp);
1615 set_entity_type(ent, mtp);
1617 /* switch off optimization for new Proj nodes or they might be CSE'ed
1618 with not patched one's */
1619 rem = get_optimize();
1622 /* ok, fix all Proj's and create new ones */
1623 args = get_irg_args(irg);
1624 for (proj = (ir_node*)get_irn_link(node); proj;
1625 proj = (ir_node*)get_irn_link(proj)) {
1626 ir_node *pred = get_Proj_pred(proj);
1635 /* do not visit this node again */
1636 mark_irn_visited(proj);
1641 proj_nr = get_Proj_proj(proj);
1642 set_Proj_proj(proj, new_projs[proj_nr]);
1644 mode = get_irn_mode(proj);
1645 mode_l = env->low_unsigned;
1646 if (mode == env->high_signed) {
1647 mode_h = env->low_signed;
1648 } else if (mode == env->high_unsigned) {
1649 mode_h = env->low_unsigned;
1654 dbg = get_irn_dbg_info(proj);
1655 res_low = new_rd_Proj(dbg, args, mode_l, new_projs[proj_nr]);
1656 res_high = new_rd_Proj(dbg, args, mode_h, new_projs[proj_nr] + 1);
1657 set_lowered(env, proj, res_low, res_high);
1665 static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env)
1667 ir_type *tp = get_Call_type(node);
1669 ir_node **in, *proj, *results;
1670 int n_params, n_res;
1671 bool need_lower = false;
1673 long *res_numbers = NULL;
1676 if (is_lowered_type(tp)) {
1677 call_tp = get_associated_type(tp);
1682 assert(! is_lowered_type(call_tp));
1684 n_params = get_method_n_params(call_tp);
1685 for (i = 0; i < n_params; ++i) {
1686 ir_type *tp = get_method_param_type(call_tp, i);
1688 if (is_Primitive_type(tp)) {
1689 ir_mode *mode = get_type_mode(tp);
1691 if (mode == env->high_signed || mode == env->high_unsigned) {
1697 n_res = get_method_n_ress(call_tp);
1699 NEW_ARR_A(long, res_numbers, n_res);
1701 for (i = j = 0; i < n_res; ++i, ++j) {
1702 ir_type *tp = get_method_res_type(call_tp, i);
1705 if (is_Primitive_type(tp)) {
1706 ir_mode *mode = get_type_mode(tp);
1708 if (mode == env->high_signed || mode == env->high_unsigned) {
1719 /* let's lower it */
1720 call_tp = lower_mtp(env, call_tp);
1721 set_Call_type(node, call_tp);
1723 NEW_ARR_A(ir_node *, in, get_method_n_params(call_tp) + 2);
1725 in[0] = get_Call_mem(node);
1726 in[1] = get_Call_ptr(node);
1728 for (j = 2, i = 0; i < n_params; ++i) {
1729 ir_node *pred = get_Call_param(node, i);
1730 ir_mode *pred_mode = get_irn_mode(pred);
1732 if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
1733 const node_entry_t *pred_entry = get_node_entry(env, pred);
1734 in[j++] = pred_entry->low_word;
1735 in[j++] = pred_entry->high_word;
1741 set_irn_in(node, j, in);
1743 /* fix the results */
1745 for (proj = (ir_node*)get_irn_link(node); proj;
1746 proj = (ir_node*)get_irn_link(proj)) {
1747 long proj_nr = get_Proj_proj(proj);
1749 if (proj_nr == pn_Call_T_result && get_Proj_pred(proj) == node) {
1750 /* found the result proj */
1756 if (results != NULL) { /* there are results */
1757 int rem = get_optimize();
1759 /* switch off optimization for new Proj nodes or they might be CSE'ed
1760 with not patched one's */
1762 for (i = j = 0, proj = (ir_node*)get_irn_link(results); proj;
1763 proj = (ir_node*)get_irn_link(proj), ++i, ++j) {
1764 if (get_Proj_pred(proj) == results) {
1765 long proj_nr = get_Proj_proj(proj);
1766 ir_mode *proj_mode = get_irn_mode(proj);
1773 /* found a result */
1774 mark_irn_visited(proj);
1776 set_Proj_proj(proj, res_numbers[proj_nr]);
1778 mode_l = env->low_unsigned;
1779 if (proj_mode == env->high_signed) {
1780 mode_h = env->low_signed;
1781 } else if (proj_mode == env->high_unsigned) {
1782 mode_h = env->low_unsigned;
1787 dbg = get_irn_dbg_info(proj);
1788 res_low = new_rd_Proj(dbg, results, mode_l, res_numbers[proj_nr]);
1789 res_high = new_rd_Proj(dbg, results, mode_h, res_numbers[proj_nr] + 1);
1790 set_lowered(env, proj, res_low, res_high);
1798 * Translate an Unknown into two.
1800 static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env)
1802 ir_mode *low_mode = env->low_unsigned;
1803 ir_graph *irg = get_irn_irg(node);
1804 ir_node *res_low = new_r_Unknown(irg, low_mode);
1805 ir_node *res_high = new_r_Unknown(irg, mode);
1806 set_lowered(env, node, res_low, res_high);
1812 * First step: just create two templates
1814 static void lower_Phi(lower_env_t *env, ir_node *phi)
1816 ir_mode *mode = get_irn_mode(phi);
1831 /* enqueue predecessors */
1832 arity = get_Phi_n_preds(phi);
1833 for (i = 0; i < arity; ++i) {
1834 ir_node *pred = get_Phi_pred(phi, i);
1835 pdeq_putr(env->waitq, pred);
1838 if (mode != env->high_signed && mode != env->high_unsigned)
1841 /* first create a new in array */
1842 NEW_ARR_A(ir_node *, in_l, arity);
1843 NEW_ARR_A(ir_node *, in_h, arity);
1844 irg = get_irn_irg(phi);
1845 mode_l = env->low_unsigned;
1846 mode_h = mode == env->high_signed ? env->low_signed : env->low_unsigned;
1847 unk_l = new_r_Dummy(irg, mode_l);
1848 unk_h = new_r_Dummy(irg, mode_h);
1849 for (i = 0; i < arity; ++i) {
1854 dbg = get_irn_dbg_info(phi);
1855 block = get_nodes_block(phi);
1856 phi_l = new_rd_Phi(dbg, block, arity, in_l, mode_l);
1857 phi_h = new_rd_Phi(dbg, block, arity, in_h, mode_h);
1859 set_lowered(env, phi, phi_l, phi_h);
1861 /* remember that we need to fixup the predecessors later */
1862 ARR_APP1(ir_node*, env->lowered_phis, phi);
1864 /* Don't forget to link the new Phi nodes into the block.
1865 * Beware that some Phis might be optimized away. */
1867 add_Block_phi(block, phi_l);
1869 add_Block_phi(block, phi_h);
1872 static void fixup_phi(lower_env_t *env, ir_node *phi)
1874 const node_entry_t *entry = get_node_entry(env, phi);
1875 ir_node *phi_l = entry->low_word;
1876 ir_node *phi_h = entry->high_word;
1877 int arity = get_Phi_n_preds(phi);
1880 /* exchange phi predecessors which are lowered by now */
1881 for (i = 0; i < arity; ++i) {
1882 ir_node *pred = get_Phi_pred(phi, i);
1883 const node_entry_t *pred_entry = get_node_entry(env, pred);
1885 set_Phi_pred(phi_l, i, pred_entry->low_word);
1886 set_Phi_pred(phi_h, i, pred_entry->high_word);
1893 static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env)
1895 ir_node *truen = get_Mux_true(mux);
1896 ir_node *falsen = get_Mux_false(mux);
1897 ir_node *sel = get_Mux_sel(mux);
1898 const node_entry_t *true_entry = get_node_entry(env, truen);
1899 const node_entry_t *false_entry = get_node_entry(env, falsen);
1900 ir_node *true_l = true_entry->low_word;
1901 ir_node *true_h = true_entry->high_word;
1902 ir_node *false_l = false_entry->low_word;
1903 ir_node *false_h = false_entry->high_word;
1904 dbg_info *dbgi = get_irn_dbg_info(mux);
1905 ir_node *block = get_nodes_block(mux);
1907 = new_rd_Mux(dbgi, block, sel, false_l, true_l, env->low_unsigned);
1909 = new_rd_Mux(dbgi, block, sel, false_h, true_h, mode);
1910 set_lowered(env, mux, res_low, res_high);
1914 * Translate an ASM node.
1916 static void lower_ASM(ir_node *asmn, ir_mode *mode, lower_env_t *env)
1918 ir_mode *his = env->high_signed;
1919 ir_mode *hiu = env->high_unsigned;
1925 for (i = get_irn_arity(asmn) - 1; i >= 0; --i) {
1926 ir_mode *op_mode = get_irn_mode(get_irn_n(asmn, i));
1927 if (op_mode == his || op_mode == hiu) {
1928 panic("lowering ASM unimplemented");
1935 n = (ir_node*)get_irn_link(n);
1939 proj_mode = get_irn_mode(n);
1940 if (proj_mode == his || proj_mode == hiu) {
1941 panic("lowering ASM unimplemented");
1947 * Translate a Sel node.
1949 static void lower_Sel(ir_node *sel, ir_mode *mode, lower_env_t *env)
1953 /* we must only lower value parameter Sels if we change the
1954 value parameter type. */
1955 if (env->value_param_tp != NULL) {
1956 ir_entity *ent = get_Sel_entity(sel);
1957 if (get_entity_owner(ent) == env->value_param_tp) {
1958 int pos = PTR_TO_INT(get_entity_link(ent));
1960 ent = get_method_value_param_ent(env->l_mtp, pos);
1961 set_Sel_entity(sel, ent);
1967 * check for opcodes that must always be lowered.
1969 static bool always_lower(unsigned code)
1987 * Compare two op_mode_entry_t's.
1989 static int cmp_op_mode(const void *elt, const void *key, size_t size)
1991 const op_mode_entry_t *e1 = (const op_mode_entry_t*)elt;
1992 const op_mode_entry_t *e2 = (const op_mode_entry_t*)key;
1995 return (e1->op - e2->op) | (e1->imode - e2->imode) | (e1->omode - e2->omode);
1999 * Compare two conv_tp_entry_t's.
2001 static int cmp_conv_tp(const void *elt, const void *key, size_t size)
2003 const conv_tp_entry_t *e1 = (const conv_tp_entry_t*)elt;
2004 const conv_tp_entry_t *e2 = (const conv_tp_entry_t*)key;
2007 return (e1->imode - e2->imode) | (e1->omode - e2->omode);
2011 * Enter a lowering function into an ir_op.
2013 static void enter_lower_func(ir_op *op, lower_func func)
2015 op->ops.generic = (op_func)func;
2019 * Returns non-zero if a method type must be lowered.
2021 * @param mtp the method type
2023 static bool mtp_must_be_lowered(lower_env_t *env, ir_type *mtp)
2025 int n_params = get_method_n_params(mtp);
2028 /* first check if we have parameters that must be fixed */
2029 for (i = 0; i < n_params; ++i) {
2030 ir_type *tp = get_method_param_type(mtp, i);
2032 if (is_Primitive_type(tp)) {
2033 ir_mode *mode = get_type_mode(tp);
2035 if (mode == env->high_signed ||
2036 mode == env->high_unsigned)
2043 /* Determine which modes need to be lowered */
2044 static void setup_modes(lower_env_t *env)
2046 unsigned size_bits = env->params->doubleword_size;
2047 ir_mode *doubleword_signed = NULL;
2048 ir_mode *doubleword_unsigned = NULL;
2049 int n_modes = get_irp_n_modes();
2050 ir_mode_arithmetic arithmetic;
2051 unsigned modulo_shift;
2054 /* search for doubleword modes... */
2055 for (i = 0; i < n_modes; ++i) {
2056 ir_mode *mode = get_irp_mode(i);
2057 if (!mode_is_int(mode))
2059 if (get_mode_size_bits(mode) != size_bits)
2061 if (mode_is_signed(mode)) {
2062 if (doubleword_signed != NULL) {
2063 /* sigh - the lowerer should really just lower all mode with
2064 * size_bits it finds. Unfortunately this required a bigger
2066 panic("multiple double word signed modes found");
2068 doubleword_signed = mode;
2070 if (doubleword_unsigned != NULL) {
2071 /* sigh - the lowerer should really just lower all mode with
2072 * size_bits it finds. Unfortunately this required a bigger
2074 panic("multiple double word unsigned modes found");
2076 doubleword_unsigned = mode;
2079 if (doubleword_signed == NULL || doubleword_unsigned == NULL) {
2080 panic("Couldn't find doubleword modes");
2083 arithmetic = get_mode_arithmetic(doubleword_signed);
2084 modulo_shift = get_mode_modulo_shift(doubleword_signed);
2086 assert(get_mode_size_bits(doubleword_unsigned) == size_bits);
2087 assert(size_bits % 2 == 0);
2088 assert(get_mode_sign(doubleword_signed) == 1);
2089 assert(get_mode_sign(doubleword_unsigned) == 0);
2090 assert(get_mode_sort(doubleword_signed) == irms_int_number);
2091 assert(get_mode_sort(doubleword_unsigned) == irms_int_number);
2092 assert(get_mode_arithmetic(doubleword_unsigned) == arithmetic);
2093 assert(get_mode_modulo_shift(doubleword_unsigned) == modulo_shift);
2095 /* try to guess a sensible modulo shift for the new mode.
2096 * (This is IMO another indication that this should really be a node
2097 * attribute instead of a mode thing) */
2098 if (modulo_shift == size_bits) {
2099 modulo_shift = modulo_shift / 2;
2100 } else if (modulo_shift == 0) {
2103 panic("Don't know what new modulo shift to use for lowered doubleword mode");
2107 /* produce lowered modes */
2108 env->high_signed = doubleword_signed;
2109 env->high_unsigned = doubleword_unsigned;
2110 env->low_signed = new_ir_mode("WS", irms_int_number, size_bits, 1,
2111 arithmetic, modulo_shift);
2112 env->low_unsigned = new_ir_mode("WU", irms_int_number, size_bits, 0,
2113 arithmetic, modulo_shift);
2116 static void enqueue_preds(lower_env_t *env, ir_node *node)
2118 int arity = get_irn_arity(node);
2121 for (i = 0; i < arity; ++i) {
2122 ir_node *pred = get_irn_n(node, i);
2123 pdeq_putr(env->waitq, pred);
2127 static void lower_node(lower_env_t *env, ir_node *node)
2135 node_entry_t *entry;
2137 if (irn_visited(node))
2139 mark_irn_visited(node);
2141 /* cycles are always broken at Phi and Block nodes. So we don't need special
2142 * magic in all the other lower functions */
2143 if (is_Block(node)) {
2144 enqueue_preds(env, node);
2146 } else if (is_Phi(node)) {
2147 lower_Phi(env, node);
2151 /* depth-first: descend into operands */
2152 if (!is_Block(node)) {
2153 ir_node *block = get_nodes_block(node);
2154 lower_node(env, block);
2157 arity = get_irn_arity(node);
2158 for (i = 0; i < arity; ++i) {
2159 ir_node *pred = get_irn_n(node, i);
2160 lower_node(env, pred);
2163 op = get_irn_op(node);
2164 func = (lower_func) op->ops.generic;
2168 idx = get_irn_idx(node);
2169 entry = idx < env->n_entries ? env->entries[idx] : NULL;
2170 if (entry != NULL || always_lower(get_irn_opcode(node))) {
2171 mode = get_irn_op_mode(node);
2172 if (mode == env->high_signed) {
2173 mode = env->low_signed;
2175 mode = env->low_unsigned;
2177 DB((dbg, LEVEL_1, " %+F\n", node));
2178 func(node, mode, env);
2182 static void lower_irg(lower_env_t *env, ir_graph *irg)
2188 obstack_init(&env->obst);
2190 n_idx = get_irg_last_idx(irg);
2191 n_idx = n_idx + (n_idx >> 2); /* add 25% */
2192 env->n_entries = n_idx;
2193 env->entries = NEW_ARR_F(node_entry_t*, n_idx);
2194 memset(env->entries, 0, sizeof(env->entries[0]) * n_idx);
2199 env->proj_2_block = pmap_create();
2200 env->value_param_tp = NULL;
2202 ent = get_irg_entity(irg);
2203 mtp = get_entity_type(ent);
2205 if (mtp_must_be_lowered(env, mtp)) {
2206 ir_type *ltp = lower_mtp(env, mtp);
2207 env->flags |= MUST_BE_LOWERED;
2208 set_entity_type(ent, ltp);
2210 env->value_param_tp = get_method_value_param_type(mtp);
2213 /* first step: link all nodes and allocate data */
2214 ir_reserve_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
2215 irg_walk_graph(irg, firm_clear_node_and_phi_links,
2216 prepare_links_and_handle_rotl, env);
2218 if (env->flags & MUST_BE_LOWERED) {
2220 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
2221 inc_irg_visited(irg);
2223 assert(pdeq_empty(env->waitq));
2224 pdeq_putr(env->waitq, get_irg_end(irg));
2226 env->lowered_phis = NEW_ARR_F(ir_node*, 0);
2227 while (!pdeq_empty(env->waitq)) {
2228 ir_node *node = (ir_node*)pdeq_getl(env->waitq);
2229 lower_node(env, node);
2232 /* we need to fixup phis */
2233 for (i = 0; i < ARR_LEN(env->lowered_phis); ++i) {
2234 ir_node *phi = env->lowered_phis[i];
2235 fixup_phi(env, phi);
2237 DEL_ARR_F(env->lowered_phis);
2240 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
2242 /* outs are invalid, we changed the graph */
2243 set_irg_outs_inconsistent(irg);
2245 if (env->flags & CF_CHANGED) {
2246 /* control flow changed, dominance info is invalid */
2247 set_irg_doms_inconsistent(irg);
2248 set_irg_extblk_inconsistent(irg);
2249 set_irg_loopinfo_inconsistent(irg);
2253 ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
2255 pmap_destroy(env->proj_2_block);
2256 DEL_ARR_F(env->entries);
2257 obstack_free(&env->obst, NULL);
2263 void lower_dw_ops(const lwrdw_param_t *param)
2268 assert(param != NULL);
2269 FIRM_DBG_REGISTER(dbg, "firm.lower.dw");
2271 memset(&lenv, 0, sizeof(lenv));
2272 lenv.params = param;
2275 /* create the necessary maps */
2276 if (! intrinsic_fkt)
2277 intrinsic_fkt = new_set(cmp_op_mode, iro_Last + 1);
2279 conv_types = new_set(cmp_conv_tp, 16);
2281 lowered_type = pmap_create();
2283 /* create a primitive unsigned and signed type */
2285 tp_u = get_type_for_mode(lenv.low_unsigned);
2287 tp_s = get_type_for_mode(lenv.low_signed);
2289 /* create method types for the created binop calls */
2291 binop_tp_u = new_type_method(4, 2);
2292 set_method_param_type(binop_tp_u, 0, tp_u);
2293 set_method_param_type(binop_tp_u, 1, tp_u);
2294 set_method_param_type(binop_tp_u, 2, tp_u);
2295 set_method_param_type(binop_tp_u, 3, tp_u);
2296 set_method_res_type(binop_tp_u, 0, tp_u);
2297 set_method_res_type(binop_tp_u, 1, tp_u);
2300 binop_tp_s = new_type_method(4, 2);
2301 set_method_param_type(binop_tp_s, 0, tp_u);
2302 set_method_param_type(binop_tp_s, 1, tp_s);
2303 set_method_param_type(binop_tp_s, 2, tp_u);
2304 set_method_param_type(binop_tp_s, 3, tp_s);
2305 set_method_res_type(binop_tp_s, 0, tp_u);
2306 set_method_res_type(binop_tp_s, 1, tp_s);
2308 if (! shiftop_tp_u) {
2309 shiftop_tp_u = new_type_method(3, 2);
2310 set_method_param_type(shiftop_tp_u, 0, tp_u);
2311 set_method_param_type(shiftop_tp_u, 1, tp_u);
2312 set_method_param_type(shiftop_tp_u, 2, tp_u);
2313 set_method_res_type(shiftop_tp_u, 0, tp_u);
2314 set_method_res_type(shiftop_tp_u, 1, tp_u);
2316 if (! shiftop_tp_s) {
2317 shiftop_tp_s = new_type_method(3, 2);
2318 set_method_param_type(shiftop_tp_s, 0, tp_u);
2319 set_method_param_type(shiftop_tp_s, 1, tp_s);
2320 set_method_param_type(shiftop_tp_s, 2, tp_u);
2321 set_method_res_type(shiftop_tp_s, 0, tp_u);
2322 set_method_res_type(shiftop_tp_s, 1, tp_s);
2325 unop_tp_u = new_type_method(2, 2);
2326 set_method_param_type(unop_tp_u, 0, tp_u);
2327 set_method_param_type(unop_tp_u, 1, tp_u);
2328 set_method_res_type(unop_tp_u, 0, tp_u);
2329 set_method_res_type(unop_tp_u, 1, tp_u);
2332 unop_tp_s = new_type_method(2, 2);
2333 set_method_param_type(unop_tp_s, 0, tp_u);
2334 set_method_param_type(unop_tp_s, 1, tp_s);
2335 set_method_res_type(unop_tp_s, 0, tp_u);
2336 set_method_res_type(unop_tp_s, 1, tp_s);
2339 clear_irp_opcodes_generic_func();
2340 enter_lower_func(op_Add, lower_binop);
2341 enter_lower_func(op_And, lower_And);
2342 enter_lower_func(op_ASM, lower_ASM);
2343 enter_lower_func(op_Call, lower_Call);
2344 enter_lower_func(op_Cond, lower_Cond);
2345 enter_lower_func(op_Const, lower_Const);
2346 enter_lower_func(op_Conv, lower_Conv);
2347 enter_lower_func(op_Div, lower_Div);
2348 enter_lower_func(op_DivMod, lower_DivMod);
2349 enter_lower_func(op_Eor, lower_Eor);
2350 enter_lower_func(op_Load, lower_Load);
2351 enter_lower_func(op_Minus, lower_Unop);
2352 enter_lower_func(op_Mod, lower_Mod);
2353 enter_lower_func(op_Mul, lower_binop);
2354 enter_lower_func(op_Mux, lower_Mux);
2355 enter_lower_func(op_Not, lower_Not);
2356 enter_lower_func(op_Or, lower_Or);
2357 enter_lower_func(op_Proj, lower_Proj);
2358 enter_lower_func(op_Return, lower_Return);
2359 enter_lower_func(op_Sel, lower_Sel);
2360 enter_lower_func(op_Shl, lower_Shl);
2361 enter_lower_func(op_Shr, lower_Shr);
2362 enter_lower_func(op_Shrs, lower_Shrs);
2363 enter_lower_func(op_Start, lower_Start);
2364 enter_lower_func(op_Store, lower_Store);
2365 enter_lower_func(op_Sub, lower_binop);
2366 enter_lower_func(op_Unknown, lower_Unknown);
2368 lenv.tv_mode_bytes = new_tarval_from_long(param->doubleword_size/(2*8), lenv.low_unsigned);
2369 lenv.tv_mode_bits = new_tarval_from_long(param->doubleword_size/2, lenv.low_unsigned);
2370 lenv.waitq = new_pdeq();
2371 lenv.first_id = new_id_from_chars(param->little_endian ? ".l" : ".h", 2);
2372 lenv.next_id = new_id_from_chars(param->little_endian ? ".h" : ".l", 2);
2374 /* transform all graphs */
2375 for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
2376 ir_graph *irg = get_irp_irg(i);
2377 lower_irg(&lenv, irg);
2379 del_pdeq(lenv.waitq);
2382 /* Default implementation. */
2383 ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
2384 const ir_mode *imode, const ir_mode *omode,
2392 if (imode == omode) {
2393 snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(imode));
2395 snprintf(buf, sizeof(buf), "__l%s%s%s", get_op_name(op),
2396 get_mode_name(imode), get_mode_name(omode));
2398 id = new_id_from_str(buf);
2400 ent = new_entity(get_glob_type(), id, method);
2401 set_entity_ld_ident(ent, get_entity_ident(ent));