2 * Copyright (C) 1995-2011 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, i.e. 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 */
141 static void lower_node(lower_env_t *env, ir_node *node);
144 * Create a method type for a Conv emulation from imode to omode.
146 static ir_type *get_conv_type(ir_mode *imode, ir_mode *omode, lower_env_t *env)
148 conv_tp_entry_t key, *entry;
155 entry = (conv_tp_entry_t*)set_insert(conv_types, &key, sizeof(key), HASH_PTR(imode) ^ HASH_PTR(omode));
157 int n_param = 1, n_res = 1;
159 if (imode == env->high_signed || imode == env->high_unsigned)
161 if (omode == env->high_signed || omode == env->high_unsigned)
164 /* create a new one */
165 mtd = new_type_method(n_param, n_res);
167 /* set param types and result types */
169 if (imode == env->high_signed) {
170 set_method_param_type(mtd, n_param++, tp_u);
171 set_method_param_type(mtd, n_param++, tp_s);
172 } else if (imode == env->high_unsigned) {
173 set_method_param_type(mtd, n_param++, tp_u);
174 set_method_param_type(mtd, n_param++, tp_u);
176 ir_type *tp = get_type_for_mode(imode);
177 set_method_param_type(mtd, n_param++, tp);
181 if (omode == env->high_signed) {
182 set_method_res_type(mtd, n_res++, tp_u);
183 set_method_res_type(mtd, n_res++, tp_s);
184 } else if (omode == env->high_unsigned) {
185 set_method_res_type(mtd, n_res++, tp_u);
186 set_method_res_type(mtd, n_res++, tp_u);
188 ir_type *tp = get_type_for_mode(omode);
189 set_method_res_type(mtd, n_res++, tp);
199 * Add an additional control flow input to a block.
200 * Patch all Phi nodes. The new Phi inputs are copied from
201 * old input number nr.
203 static void add_block_cf_input_nr(ir_node *block, int nr, ir_node *cf)
205 int i, arity = get_irn_arity(block);
210 NEW_ARR_A(ir_node *, in, arity + 1);
211 for (i = 0; i < arity; ++i)
212 in[i] = get_irn_n(block, i);
215 set_irn_in(block, i + 1, in);
217 for (phi = get_Block_phis(block); phi != NULL; phi = get_Phi_next(phi)) {
218 for (i = 0; i < arity; ++i)
219 in[i] = get_irn_n(phi, i);
221 set_irn_in(phi, i + 1, in);
226 * Add an additional control flow input to a block.
227 * Patch all Phi nodes. The new Phi inputs are copied from
228 * old input from cf tmpl.
230 static void add_block_cf_input(ir_node *block, ir_node *tmpl, ir_node *cf)
232 int i, arity = get_irn_arity(block);
235 for (i = 0; i < arity; ++i) {
236 if (get_irn_n(block, i) == tmpl) {
242 add_block_cf_input_nr(block, nr, cf);
246 * Return the "operational" mode of a Firm node.
248 static ir_mode *get_irn_op_mode(ir_node *node)
250 switch (get_irn_opcode(node)) {
252 return get_Load_mode(node);
254 return get_irn_mode(get_Store_value(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);
634 * Create an intrinsic Call.
636 static void lower_binop(ir_node *node, ir_mode *mode, lower_env_t *env)
638 ir_node *left = get_binop_left(node);
639 ir_node *right = get_binop_right(node);
640 const node_entry_t *left_entry = get_node_entry(env, left);
641 const node_entry_t *right_entry = get_node_entry(env, right);
643 left_entry->low_word, left_entry->high_word,
644 right_entry->low_word, right_entry->high_word
646 dbg_info *dbgi = get_irn_dbg_info(node);
647 ir_node *block = get_nodes_block(node);
648 ir_graph *irg = get_irn_irg(block);
650 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
652 = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
654 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 4, in, mtp);
655 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
656 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
657 ir_node *res_high = new_r_Proj(resproj, mode, 1);
658 set_irn_pinned(call, get_irn_pinned(node));
659 set_lowered(env, node, res_low, res_high);
663 * Translate a Shiftop.
665 * Create an intrinsic Call.
667 static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env)
669 ir_node *block = get_nodes_block(node);
670 ir_node *left = get_binop_left(node);
671 const node_entry_t *left_entry = get_node_entry(env, left);
672 ir_node *right = get_binop_right(node);
674 left_entry->low_word, left_entry->high_word,
675 /* it should be safe to conv to low_unsigned */
676 new_r_Conv(block, right, env->low_unsigned)
678 dbg_info *dbgi = get_irn_dbg_info(node);
679 ir_graph *irg = get_irn_irg(block);
681 = mode_is_signed(mode) ? shiftop_tp_s : shiftop_tp_u;
683 = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
685 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 3, in, mtp);
686 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
687 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
688 ir_node *res_high = new_r_Proj(resproj, mode, 1);
690 set_irn_pinned(call, get_irn_pinned(node));
691 set_lowered(env, node, res_low, res_high);
695 * Translate a Shr and handle special cases.
697 static void lower_Shr(ir_node *node, ir_mode *mode, lower_env_t *env)
699 ir_graph *irg = get_irn_irg(node);
700 ir_node *right = get_Shr_right(node);
702 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
703 ir_tarval *tv = get_Const_tarval(right);
705 if (tarval_is_long(tv) &&
706 get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
707 ir_node *block = get_nodes_block(node);
708 ir_node *left = get_Shr_left(node);
709 ir_mode *low_unsigned = env->low_unsigned;
710 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
711 const node_entry_t *left_entry = get_node_entry(env, left);
715 left = left_entry->high_word;
717 /* convert high word into low_unsigned mode if necessary */
718 if (get_irn_mode(left) != low_unsigned)
719 left = new_r_Conv(block, left, low_unsigned);
722 ir_node *c = new_r_Const_long(irg, low_unsigned, shf_cnt);
723 res_low = new_r_Shr(block, left, c, low_unsigned);
727 res_high = new_r_Const(irg, get_mode_null(mode));
728 set_lowered(env, node, res_low, res_high);
733 lower_Shiftop(node, mode, env);
737 * Translate a Shl and handle special cases.
739 static void lower_Shl(ir_node *node, ir_mode *mode, lower_env_t *env)
741 ir_graph *irg = get_irn_irg(node);
742 ir_node *right = get_Shl_right(node);
744 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
745 ir_tarval *tv = get_Const_tarval(right);
747 if (tarval_is_long(tv)) {
748 long value = get_tarval_long(tv);
749 if (value >= (long)get_mode_size_bits(mode)) {
750 /* simple case: shift above the lower word */
752 ir_node *block = get_nodes_block(node);
753 ir_node *left = get_Shl_left(node);
755 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
756 const node_entry_t *left_entry = get_node_entry(env, left);
760 left = left_entry->low_word;
761 left = new_r_Conv(block, left, mode);
763 mode_l = env->low_unsigned;
765 c = new_r_Const_long(irg, mode_l, shf_cnt);
766 res_high = new_r_Shl(block, left, c, mode);
770 res_low = new_r_Const(irg, get_mode_null(mode_l));
771 set_lowered(env, node, res_low, res_high);
776 /* left << 1 == left + left */
777 ir_node *left = get_binop_left(node);
778 const node_entry_t *left_entry = get_node_entry(env, left);
780 left_entry->low_word, left_entry->high_word,
781 left_entry->low_word, left_entry->high_word,
783 dbg_info *dbgi = get_irn_dbg_info(node);
784 ir_node *block = get_nodes_block(node);
785 ir_graph *irg = get_irn_irg(block);
787 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
789 = get_intrinsic_address(mtp, op_Add, mode, mode, env);
791 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 4, in, mtp);
792 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
793 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
794 ir_node *res_high = new_r_Proj(resproj, mode, 1);
795 set_irn_pinned(call, get_irn_pinned(node));
796 set_lowered(env, node, res_low, res_high);
802 lower_Shiftop(node, mode, env);
806 * Translate a Shrs and handle special cases.
808 static void lower_Shrs(ir_node *node, ir_mode *mode, lower_env_t *env)
810 ir_graph *irg = get_irn_irg(node);
811 ir_node *right = get_Shrs_right(node);
813 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
814 ir_tarval *tv = get_Const_tarval(right);
816 if (tarval_is_long(tv) &&
817 get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
818 ir_node *block = get_nodes_block(node);
819 ir_node *left = get_Shrs_left(node);
820 ir_mode *low_unsigned = env->low_unsigned;
821 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
822 const node_entry_t *left_entry = get_node_entry(env, left);
823 ir_node *left_unsigned = left;
828 left = left_entry->high_word;
830 /* convert high word into low_unsigned mode if necessary */
831 if (get_irn_mode(left_unsigned) != low_unsigned)
832 left_unsigned = new_r_Conv(block, left, low_unsigned);
835 c = new_r_Const_long(irg, low_unsigned, shf_cnt);
836 res_low = new_r_Shrs(block, left_unsigned, c, low_unsigned);
838 res_low = left_unsigned;
841 c = new_r_Const(irg, get_mode_all_one(low_unsigned));
842 res_high = new_r_Shrs(block, left, c, mode);
843 set_lowered(env, node, res_low, res_high);
847 lower_Shiftop(node, mode, env);
851 * Rebuild Rotl nodes into Or(Shl, Shr) and prepare all nodes.
853 static void prepare_links_and_handle_rotl(ir_node *node, void *env)
855 lower_env_t *lenv = (lower_env_t*)env;
858 ir_mode *mode = get_irn_op_mode(node);
860 ir_node *left, *shl, *shr, *ornode, *block, *sub, *c;
861 ir_mode *omode, *rmode;
864 optimization_state_t state;
866 if (mode != lenv->high_signed && mode != lenv->high_unsigned) {
867 prepare_links(lenv, node);
871 /* replace the Rotl(x,y) by an Or(Shl(x,y), Shr(x,64-y)) */
872 right = get_Rotl_right(node);
873 irg = get_irn_irg(node);
874 dbg = get_irn_dbg_info(node);
875 omode = get_irn_mode(node);
876 left = get_Rotl_left(node);
877 block = get_nodes_block(node);
878 shl = new_rd_Shl(dbg, block, left, right, omode);
879 rmode = get_irn_mode(right);
880 c = new_r_Const_long(irg, rmode, get_mode_size_bits(omode));
881 sub = new_rd_Sub(dbg, block, c, right, rmode);
882 shr = new_rd_Shr(dbg, block, left, sub, omode);
884 /* switch optimization off here, or we will get the Rotl back */
885 save_optimization_state(&state);
886 set_opt_algebraic_simplification(0);
887 ornode = new_rd_Or(dbg, block, shl, shr, omode);
888 restore_optimization_state(&state);
890 exchange(node, ornode);
892 /* do lowering on the new nodes */
893 prepare_links(lenv, shl);
894 prepare_links(lenv, c);
895 prepare_links(lenv, sub);
896 prepare_links(lenv, shr);
897 prepare_links(lenv, ornode);
901 prepare_links(lenv, node);
907 * Create an intrinsic Call.
909 static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env)
911 ir_node *op = get_unop_op(node);
912 const node_entry_t *op_entry = get_node_entry(env, op);
913 ir_node *in[2] = { op_entry->low_word, op_entry->high_word };
914 dbg_info *dbgi = get_irn_dbg_info(node);
915 ir_node *block = get_nodes_block(node);
916 ir_graph *irg = get_irn_irg(block);
917 ir_type *mtp = mode_is_signed(mode) ? unop_tp_s : unop_tp_u;
918 ir_op *irop = get_irn_op(node);
919 ir_node *addr = get_intrinsic_address(mtp, irop, mode, mode, env);
920 ir_node *nomem = get_irg_no_mem(irg);
921 ir_node *call = new_rd_Call(dbgi, block, nomem, addr, 2, in, mtp);
922 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
923 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
924 ir_node *res_high = new_r_Proj(resproj, mode, 1);
925 set_irn_pinned(call, get_irn_pinned(node));
926 set_lowered(env, node, res_low, res_high);
930 * Translate a logical binop.
932 * Create two logical binops.
934 static void lower_binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env,
935 ir_node *(*constr_rd)(dbg_info *db, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) )
937 ir_node *left = get_binop_left(node);
938 ir_node *right = get_binop_right(node);
939 const node_entry_t *left_entry = get_node_entry(env, left);
940 const node_entry_t *right_entry = get_node_entry(env, right);
941 dbg_info *dbgi = get_irn_dbg_info(node);
942 ir_node *block = get_nodes_block(node);
944 = constr_rd(dbgi, block, left_entry->low_word, right_entry->low_word,
947 = constr_rd(dbgi, block, left_entry->high_word, right_entry->high_word,
949 set_lowered(env, node, res_low, res_high);
952 static void lower_And(ir_node *node, ir_mode *mode, lower_env_t *env)
954 lower_binop_logical(node, mode, env, new_rd_And);
957 static void lower_Or(ir_node *node, ir_mode *mode, lower_env_t *env)
959 lower_binop_logical(node, mode, env, new_rd_Or);
962 static void lower_Eor(ir_node *node, ir_mode *mode, lower_env_t *env)
964 lower_binop_logical(node, mode, env, new_rd_Eor);
970 * Create two logical Nots.
972 static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env)
974 ir_node *op = get_Not_op(node);
975 const node_entry_t *op_entry = get_node_entry(env, op);
976 dbg_info *dbgi = get_irn_dbg_info(node);
977 ir_node *block = get_nodes_block(node);
979 = new_rd_Not(dbgi, block, op_entry->low_word, env->low_unsigned);
981 = new_rd_Not(dbgi, block, op_entry->high_word, mode);
982 set_lowered(env, node, res_low, res_high);
988 static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env)
990 ir_node *left, *right, *block;
991 ir_node *sel = get_Cond_selector(node);
992 ir_mode *m = get_irn_mode(sel);
994 const node_entry_t *lentry, *rentry;
995 ir_node *proj, *projT = NULL, *projF = NULL;
996 ir_node *new_bl, *irn;
997 ir_node *projHF, *projHT;
999 ir_relation relation;
1006 if (m == env->high_signed || m == env->high_unsigned) {
1007 /* bad we can't really handle Switch with 64bit offsets */
1008 panic("Cond with 64bit jumptable not supported");
1010 lower_node(env, sel);
1015 lower_node(env, sel);
1019 left = get_Cmp_left(sel);
1020 cmp_mode = get_irn_mode(left);
1021 if (cmp_mode != env->high_signed && cmp_mode != env->high_unsigned) {
1022 lower_node(env, sel);
1026 right = get_Cmp_right(sel);
1027 lower_node(env, left);
1028 lower_node(env, right);
1029 lentry = get_node_entry(env, left);
1030 rentry = get_node_entry(env, right);
1032 /* all right, build the code */
1033 for (proj = (ir_node*)get_irn_link(node); proj;
1034 proj = (ir_node*)get_irn_link(proj)) {
1035 long proj_nr = get_Proj_proj(proj);
1037 if (proj_nr == pn_Cond_true) {
1038 assert(projT == NULL && "more than one Proj(true)");
1041 assert(proj_nr == pn_Cond_false);
1042 assert(projF == NULL && "more than one Proj(false)");
1045 mark_irn_visited(proj);
1047 assert(projT && projF);
1049 /* create a new high compare */
1050 block = get_nodes_block(node);
1051 irg = get_Block_irg(block);
1052 dbg = get_irn_dbg_info(sel);
1053 relation = get_Cmp_relation(sel);
1055 if (ir_is_equality_cmp_0(sel)) {
1056 /* x ==/!= 0 ==> or(low,high) ==/!= 0 */
1057 ir_mode *mode = env->low_unsigned;
1058 ir_node *low = new_r_Conv(block, lentry->low_word, mode);
1059 ir_node *high = new_r_Conv(block, lentry->high_word, mode);
1060 ir_node *ornode = new_rd_Or(dbg, block, low, high, mode);
1061 ir_node *cmp = new_rd_Cmp(dbg, block, ornode, new_r_Const_long(irg, mode, 0), relation);
1062 set_Cond_selector(node, cmp);
1066 if (relation == ir_relation_equal) {
1067 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1068 pmap_entry *entry = pmap_find(env->proj_2_block, projF);
1071 dst_blk = (ir_node*)entry->value;
1073 irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1075 dbg = get_irn_dbg_info(node);
1076 irn = new_rd_Cond(dbg, block, irn);
1078 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1079 mark_irn_visited(projHF);
1080 exchange(projF, projHF);
1082 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1083 mark_irn_visited(projHT);
1085 new_bl = new_r_Block(irg, 1, &projHT);
1087 dbg = get_irn_dbg_info(sel);
1088 irn = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word,
1090 dbg = get_irn_dbg_info(node);
1091 irn = new_rd_Cond(dbg, new_bl, irn);
1093 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1094 mark_irn_visited(proj);
1095 add_block_cf_input(dst_blk, projHF, proj);
1097 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1098 mark_irn_visited(proj);
1099 exchange(projT, proj);
1100 } else if (relation == ir_relation_less_greater) {
1101 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1102 pmap_entry *entry = pmap_find(env->proj_2_block, projT);
1105 dst_blk = (ir_node*)entry->value;
1107 irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1108 ir_relation_less_greater);
1109 dbg = get_irn_dbg_info(node);
1110 irn = new_rd_Cond(dbg, block, irn);
1112 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1113 mark_irn_visited(projHT);
1114 exchange(projT, projHT);
1116 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1117 mark_irn_visited(projHF);
1119 new_bl = new_r_Block(irg, 1, &projHF);
1121 dbg = get_irn_dbg_info(sel);
1122 irn = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word,
1123 ir_relation_less_greater);
1124 dbg = get_irn_dbg_info(node);
1125 irn = new_rd_Cond(dbg, new_bl, irn);
1127 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1128 mark_irn_visited(proj);
1129 add_block_cf_input(dst_blk, projHT, proj);
1131 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1132 mark_irn_visited(proj);
1133 exchange(projF, proj);
1135 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1136 ir_node *dstT, *dstF, *newbl_eq, *newbl_l;
1139 entry = pmap_find(env->proj_2_block, projT);
1141 dstT = (ir_node*)entry->value;
1143 entry = pmap_find(env->proj_2_block, projF);
1145 dstF = (ir_node*)entry->value;
1147 irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1148 relation & ~ir_relation_equal);
1149 dbg = get_irn_dbg_info(node);
1150 irn = new_rd_Cond(dbg, block, irn);
1152 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1153 mark_irn_visited(projHT);
1154 exchange(projT, projHT);
1157 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1158 mark_irn_visited(projHF);
1160 newbl_eq = new_r_Block(irg, 1, &projHF);
1162 irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1164 irn = new_rd_Cond(dbg, newbl_eq, irn);
1166 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1167 mark_irn_visited(proj);
1168 exchange(projF, proj);
1171 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1172 mark_irn_visited(proj);
1174 newbl_l = new_r_Block(irg, 1, &proj);
1176 dbg = get_irn_dbg_info(sel);
1177 irn = new_rd_Cmp(dbg, newbl_l, lentry->low_word, rentry->low_word,
1179 dbg = get_irn_dbg_info(node);
1180 irn = new_rd_Cond(dbg, newbl_l, irn);
1182 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1183 mark_irn_visited(proj);
1184 add_block_cf_input(dstT, projT, proj);
1186 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1187 mark_irn_visited(proj);
1188 add_block_cf_input(dstF, projF, proj);
1191 /* we have changed the control flow */
1192 env->flags |= CF_CHANGED;
1196 * Translate a Conv to higher_signed
1198 static void lower_Conv_to_Ll(ir_node *node, lower_env_t *env)
1200 ir_mode *omode = get_irn_mode(node);
1201 ir_node *op = get_Conv_op(node);
1202 ir_mode *imode = get_irn_mode(op);
1203 ir_graph *irg = get_irn_irg(node);
1204 ir_node *block = get_nodes_block(node);
1205 dbg_info *dbg = get_irn_dbg_info(node);
1209 ir_mode *low_unsigned = env->low_unsigned;
1211 = mode_is_signed(omode) ? env->low_signed : low_unsigned;
1213 if (mode_is_int(imode) || mode_is_reference(imode)) {
1214 if (imode == env->high_signed || imode == env->high_unsigned) {
1215 /* a Conv from Lu to Ls or Ls to Lu */
1216 const node_entry_t *op_entry = get_node_entry(env, op);
1217 res_low = op_entry->low_word;
1218 res_high = new_rd_Conv(dbg, block, op_entry->high_word, low_signed);
1220 /* simple case: create a high word */
1221 if (imode != low_unsigned)
1222 op = new_rd_Conv(dbg, block, op, low_unsigned);
1226 if (mode_is_signed(imode)) {
1227 int c = get_mode_size_bits(low_signed) - 1;
1228 ir_node *cnst = new_r_Const_long(irg, low_unsigned, c);
1229 if (get_irn_mode(op) != low_signed)
1230 op = new_rd_Conv(dbg, block, op, low_signed);
1231 res_high = new_rd_Shrs(dbg, block, op, cnst, low_signed);
1233 res_high = new_r_Const(irg, get_mode_null(low_signed));
1236 } else if (imode == mode_b) {
1237 res_low = new_rd_Conv(dbg, block, op, low_unsigned);
1238 res_high = new_r_Const(irg, get_mode_null(low_signed));
1240 ir_node *irn, *call;
1241 ir_type *mtp = get_conv_type(imode, omode, env);
1243 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
1244 call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
1245 set_irn_pinned(call, get_irn_pinned(node));
1246 irn = new_r_Proj(call, mode_T, pn_Call_T_result);
1248 res_low = new_r_Proj(irn, low_unsigned, 0);
1249 res_high = new_r_Proj(irn, low_signed, 1);
1251 set_lowered(env, node, res_low, res_high);
1255 * Translate a Conv from higher_unsigned
1257 static void lower_Conv_from_Ll(ir_node *node, lower_env_t *env)
1259 ir_node *op = get_Conv_op(node);
1260 ir_mode *omode = get_irn_mode(node);
1261 ir_node *block = get_nodes_block(node);
1262 dbg_info *dbg = get_irn_dbg_info(node);
1263 ir_graph *irg = get_irn_irg(node);
1264 const node_entry_t *entry = get_node_entry(env, op);
1266 if (mode_is_int(omode) || mode_is_reference(omode)) {
1267 op = entry->low_word;
1269 /* simple case: create a high word */
1270 if (omode != env->low_unsigned)
1271 op = new_rd_Conv(dbg, block, op, omode);
1273 set_Conv_op(node, op);
1274 } else if (omode == mode_b) {
1275 /* llu ? true : false <=> (low|high) ? true : false */
1276 ir_mode *mode = env->low_unsigned;
1277 ir_node *ornode = new_rd_Or(dbg, block, entry->low_word,
1278 entry->high_word, mode);
1279 set_Conv_op(node, ornode);
1281 ir_node *irn, *call, *in[2];
1282 ir_mode *imode = get_irn_mode(op);
1283 ir_type *mtp = get_conv_type(imode, omode, env);
1285 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
1286 in[0] = entry->low_word;
1287 in[1] = entry->high_word;
1289 call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
1290 set_irn_pinned(call, get_irn_pinned(node));
1291 irn = new_r_Proj(call, mode_T, pn_Call_T_result);
1293 exchange(node, new_r_Proj(irn, omode, 0));
1300 static void lower_Cmp(ir_node *cmp, ir_mode *m, lower_env_t *env)
1302 ir_node *l = get_Cmp_left(cmp);
1303 ir_mode *mode = get_irn_mode(l);
1304 ir_node *r, *low, *high, *t, *res;
1305 ir_relation relation;
1308 const node_entry_t *lentry;
1309 const node_entry_t *rentry;
1312 if (mode != env->high_signed && mode != env->high_unsigned)
1315 r = get_Cmp_right(cmp);
1316 lentry = get_node_entry(env, l);
1317 rentry = get_node_entry(env, r);
1318 relation = get_Cmp_relation(cmp);
1319 block = get_nodes_block(cmp);
1320 dbg = get_irn_dbg_info(cmp);
1322 /* easy case for x ==/!= 0 (see lower_Cond for details) */
1323 if (ir_is_equality_cmp_0(cmp)) {
1324 ir_graph *irg = get_irn_irg(cmp);
1325 ir_mode *mode = env->low_unsigned;
1326 ir_node *low = new_r_Conv(block, lentry->low_word, mode);
1327 ir_node *high = new_r_Conv(block, lentry->high_word, mode);
1328 ir_node *ornode = new_rd_Or(dbg, block, low, high, mode);
1329 ir_node *new_cmp = new_rd_Cmp(dbg, block, ornode, new_r_Const_long(irg, mode, 0), relation);
1330 exchange(cmp, new_cmp);
1334 if (relation == ir_relation_equal) {
1335 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1336 low = new_rd_Cmp(dbg, block, lentry->low_word, rentry->low_word,
1338 high = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1340 res = new_rd_And(dbg, block, low, high, mode_b);
1341 } else if (relation == ir_relation_less_greater) {
1342 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1343 low = new_rd_Cmp(dbg, block, lentry->low_word, rentry->low_word,
1345 high = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1347 res = new_rd_Or(dbg, block, low, high, mode_b);
1349 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1350 ir_node *high1 = new_rd_Cmp(dbg, block, lentry->high_word,
1351 rentry->high_word, relation & ~ir_relation_equal);
1352 low = new_rd_Cmp(dbg, block, lentry->low_word, rentry->low_word,
1354 high = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1356 t = new_rd_And(dbg, block, low, high, mode_b);
1357 res = new_rd_Or(dbg, block, high1, t, mode_b);
1365 static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env)
1367 mode = get_irn_mode(node);
1369 if (mode == env->high_signed || mode == env->high_unsigned) {
1370 lower_Conv_to_Ll(node, env);
1372 ir_mode *op_mode = get_irn_mode(get_Conv_op(node));
1374 if (op_mode == env->high_signed || op_mode == env->high_unsigned) {
1375 lower_Conv_from_Ll(node, env);
1381 * Remember the new argument index of this value type entity in the lowered
1384 * @param ent the entity
1385 * @param pos the argument index of this entity
1387 static inline void set_entity_arg_idx(ir_entity *ent, size_t pos)
1389 set_entity_link(ent, INT_TO_PTR(pos));
1393 * Retrieve the argument index of a value type entity.
1395 * @param ent the entity
1397 static size_t get_entity_arg_idx(const ir_entity *ent) {
1398 return PTR_TO_INT(get_entity_link(ent));
1402 * Lower the method type.
1404 * @param env the lower environment
1405 * @param mtp the method type to lower
1407 * @return the lowered type
1409 static ir_type *lower_mtp(lower_env_t *env, ir_type *mtp)
1412 ir_type *res, *value_type;
1414 if (is_lowered_type(mtp))
1417 entry = pmap_find(lowered_type, mtp);
1419 size_t i, orig_n_params, orig_n_res, n_param, n_res;
1421 /* count new number of params */
1422 n_param = orig_n_params = get_method_n_params(mtp);
1423 for (i = orig_n_params; i > 0;) {
1424 ir_type *tp = get_method_param_type(mtp, --i);
1426 if (is_Primitive_type(tp)) {
1427 ir_mode *mode = get_type_mode(tp);
1429 if (mode == env->high_signed ||
1430 mode == env->high_unsigned)
1435 /* count new number of results */
1436 n_res = orig_n_res = get_method_n_ress(mtp);
1437 for (i = orig_n_res; i > 0;) {
1438 ir_type *tp = get_method_res_type(mtp, --i);
1440 if (is_Primitive_type(tp)) {
1441 ir_mode *mode = get_type_mode(tp);
1443 if (mode == env->high_signed ||
1444 mode == env->high_unsigned)
1449 res = new_type_method(n_param, n_res);
1451 /* set param types and result types */
1452 for (i = n_param = 0; i < orig_n_params; ++i) {
1453 ir_type *tp = get_method_param_type(mtp, i);
1455 if (is_Primitive_type(tp)) {
1456 ir_mode *mode = get_type_mode(tp);
1458 if (mode == env->high_signed) {
1459 set_method_param_type(res, n_param++, tp_u);
1460 set_method_param_type(res, n_param++, tp_s);
1461 } else if (mode == env->high_unsigned) {
1462 set_method_param_type(res, n_param++, tp_u);
1463 set_method_param_type(res, n_param++, tp_u);
1465 set_method_param_type(res, n_param++, tp);
1468 set_method_param_type(res, n_param++, tp);
1471 for (i = n_res = 0; i < orig_n_res; ++i) {
1472 ir_type *tp = get_method_res_type(mtp, i);
1474 if (is_Primitive_type(tp)) {
1475 ir_mode *mode = get_type_mode(tp);
1477 if (mode == env->high_signed) {
1478 set_method_res_type(res, n_res++, tp_u);
1479 set_method_res_type(res, n_res++, tp_s);
1480 } else if (mode == env->high_unsigned) {
1481 set_method_res_type(res, n_res++, tp_u);
1482 set_method_res_type(res, n_res++, tp_u);
1484 set_method_res_type(res, n_res++, tp);
1487 set_method_res_type(res, n_res++, tp);
1490 set_lowered_type(mtp, res);
1491 pmap_insert(lowered_type, mtp, res);
1493 value_type = get_method_value_param_type(mtp);
1494 if (value_type != NULL) {
1495 /* this creates a new value parameter type */
1496 (void)get_method_value_param_ent(res, 0);
1498 /* set new param positions for all entities of the value type */
1499 for (i = n_param = 0; i < orig_n_params; ++i) {
1500 ir_type *tp = get_method_param_type(mtp, i);
1501 ir_entity *ent = get_method_value_param_ent(mtp, i);
1503 set_entity_arg_idx(ent, n_param);
1504 if (is_Primitive_type(tp)) {
1505 ir_mode *mode = get_type_mode(tp);
1507 if (mode == env->high_signed || mode == env->high_unsigned) {
1515 set_lowered_type(value_type, get_method_value_param_type(res));
1518 res = (ir_type*)entry->value;
1524 * Translate a Return.
1526 static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env)
1528 ir_graph *irg = get_irn_irg(node);
1529 ir_entity *ent = get_irg_entity(irg);
1530 ir_type *mtp = get_entity_type(ent);
1536 /* check if this return must be lowered */
1537 for (i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1538 ir_node *pred = get_Return_res(node, i);
1539 ir_mode *mode = get_irn_op_mode(pred);
1541 if (mode == env->high_signed || mode == env->high_unsigned)
1547 ent = get_irg_entity(irg);
1548 mtp = get_entity_type(ent);
1550 mtp = lower_mtp(env, mtp);
1551 set_entity_type(ent, mtp);
1553 /* create a new in array */
1554 NEW_ARR_A(ir_node *, in, get_method_n_ress(mtp) + 1);
1555 in[0] = get_Return_mem(node);
1557 for (j = i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1558 ir_node *pred = get_Return_res(node, i);
1559 ir_mode *pred_mode = get_irn_mode(pred);
1561 if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
1562 const node_entry_t *entry = get_node_entry(env, pred);
1563 in[++j] = entry->low_word;
1564 in[++j] = entry->high_word;
1570 set_irn_in(node, j+1, in);
1574 * Translate the parameters.
1576 static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env)
1578 ir_graph *irg = get_irn_irg(node);
1579 ir_entity *ent = get_irg_entity(irg);
1580 ir_type *tp = get_entity_type(ent);
1583 size_t i, j, n_params;
1585 ir_node *proj, *args;
1588 if (is_lowered_type(tp)) {
1589 mtp = get_associated_type(tp);
1593 assert(! is_lowered_type(mtp));
1595 n_params = get_method_n_params(mtp);
1599 NEW_ARR_A(long, new_projs, n_params);
1601 /* first check if we have parameters that must be fixed */
1602 for (i = j = 0; i < n_params; ++i, ++j) {
1603 ir_type *tp = get_method_param_type(mtp, i);
1606 if (is_Primitive_type(tp)) {
1607 ir_mode *mode = get_type_mode(tp);
1609 if (mode == env->high_signed ||
1610 mode == env->high_unsigned)
1617 mtp = lower_mtp(env, mtp);
1618 set_entity_type(ent, mtp);
1620 /* switch off optimization for new Proj nodes or they might be CSE'ed
1621 with not patched one's */
1622 rem = get_optimize();
1625 /* ok, fix all Proj's and create new ones */
1626 args = get_irg_args(irg);
1627 for (proj = (ir_node*)get_irn_link(node); proj;
1628 proj = (ir_node*)get_irn_link(proj)) {
1629 ir_node *pred = get_Proj_pred(proj);
1638 /* do not visit this node again */
1639 mark_irn_visited(proj);
1644 proj_nr = get_Proj_proj(proj);
1645 set_Proj_proj(proj, new_projs[proj_nr]);
1647 mode = get_irn_mode(proj);
1648 mode_l = env->low_unsigned;
1649 if (mode == env->high_signed) {
1650 mode_h = env->low_signed;
1651 } else if (mode == env->high_unsigned) {
1652 mode_h = env->low_unsigned;
1657 dbg = get_irn_dbg_info(proj);
1658 res_low = new_rd_Proj(dbg, args, mode_l, new_projs[proj_nr]);
1659 res_high = new_rd_Proj(dbg, args, mode_h, new_projs[proj_nr] + 1);
1660 set_lowered(env, proj, res_low, res_high);
1668 static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env)
1670 ir_type *tp = get_Call_type(node);
1672 ir_node **in, *proj, *results;
1673 size_t n_params, n_res;
1674 bool need_lower = false;
1677 long *res_numbers = NULL;
1680 if (is_lowered_type(tp)) {
1681 call_tp = get_associated_type(tp);
1686 assert(! is_lowered_type(call_tp));
1688 n_params = get_method_n_params(call_tp);
1689 for (p = 0; p < n_params; ++p) {
1690 ir_type *tp = get_method_param_type(call_tp, p);
1692 if (is_Primitive_type(tp)) {
1693 ir_mode *mode = get_type_mode(tp);
1695 if (mode == env->high_signed || mode == env->high_unsigned) {
1701 n_res = get_method_n_ress(call_tp);
1703 NEW_ARR_A(long, res_numbers, n_res);
1705 for (i = j = 0; i < n_res; ++i, ++j) {
1706 ir_type *tp = get_method_res_type(call_tp, i);
1709 if (is_Primitive_type(tp)) {
1710 ir_mode *mode = get_type_mode(tp);
1712 if (mode == env->high_signed || mode == env->high_unsigned) {
1723 /* let's lower it */
1724 call_tp = lower_mtp(env, call_tp);
1725 set_Call_type(node, call_tp);
1727 NEW_ARR_A(ir_node *, in, get_method_n_params(call_tp) + 2);
1729 in[0] = get_Call_mem(node);
1730 in[1] = get_Call_ptr(node);
1732 for (j = 2, i = 0; i < n_params; ++i) {
1733 ir_node *pred = get_Call_param(node, i);
1734 ir_mode *pred_mode = get_irn_mode(pred);
1736 if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
1737 const node_entry_t *pred_entry = get_node_entry(env, pred);
1738 in[j++] = pred_entry->low_word;
1739 in[j++] = pred_entry->high_word;
1745 set_irn_in(node, j, in);
1747 /* fix the results */
1749 for (proj = (ir_node*)get_irn_link(node); proj;
1750 proj = (ir_node*)get_irn_link(proj)) {
1751 long proj_nr = get_Proj_proj(proj);
1753 if (proj_nr == pn_Call_T_result && get_Proj_pred(proj) == node) {
1754 /* found the result proj */
1760 if (results != NULL) { /* there are results */
1761 int rem = get_optimize();
1763 /* switch off optimization for new Proj nodes or they might be CSE'ed
1764 with not patched one's */
1766 for (proj = (ir_node*)get_irn_link(results); proj; proj = (ir_node*)get_irn_link(proj)) {
1767 if (get_Proj_pred(proj) == results) {
1768 long proj_nr = get_Proj_proj(proj);
1769 ir_mode *proj_mode = get_irn_mode(proj);
1776 /* found a result */
1777 mark_irn_visited(proj);
1779 set_Proj_proj(proj, res_numbers[proj_nr]);
1781 mode_l = env->low_unsigned;
1782 if (proj_mode == env->high_signed) {
1783 mode_h = env->low_signed;
1784 } else if (proj_mode == env->high_unsigned) {
1785 mode_h = env->low_unsigned;
1790 dbg = get_irn_dbg_info(proj);
1791 res_low = new_rd_Proj(dbg, results, mode_l, res_numbers[proj_nr]);
1792 res_high = new_rd_Proj(dbg, results, mode_h, res_numbers[proj_nr] + 1);
1793 set_lowered(env, proj, res_low, res_high);
1801 * Translate an Unknown into two.
1803 static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env)
1805 ir_mode *low_mode = env->low_unsigned;
1806 ir_graph *irg = get_irn_irg(node);
1807 ir_node *res_low = new_r_Unknown(irg, low_mode);
1808 ir_node *res_high = new_r_Unknown(irg, mode);
1809 set_lowered(env, node, res_low, res_high);
1815 * First step: just create two templates
1817 static void lower_Phi(lower_env_t *env, ir_node *phi)
1819 ir_mode *mode = get_irn_mode(phi);
1834 /* enqueue predecessors */
1835 arity = get_Phi_n_preds(phi);
1836 for (i = 0; i < arity; ++i) {
1837 ir_node *pred = get_Phi_pred(phi, i);
1838 pdeq_putr(env->waitq, pred);
1841 if (mode != env->high_signed && mode != env->high_unsigned)
1844 /* first create a new in array */
1845 NEW_ARR_A(ir_node *, in_l, arity);
1846 NEW_ARR_A(ir_node *, in_h, arity);
1847 irg = get_irn_irg(phi);
1848 mode_l = env->low_unsigned;
1849 mode_h = mode == env->high_signed ? env->low_signed : env->low_unsigned;
1850 unk_l = new_r_Dummy(irg, mode_l);
1851 unk_h = new_r_Dummy(irg, mode_h);
1852 for (i = 0; i < arity; ++i) {
1857 dbg = get_irn_dbg_info(phi);
1858 block = get_nodes_block(phi);
1859 phi_l = new_rd_Phi(dbg, block, arity, in_l, mode_l);
1860 phi_h = new_rd_Phi(dbg, block, arity, in_h, mode_h);
1862 set_lowered(env, phi, phi_l, phi_h);
1864 /* remember that we need to fixup the predecessors later */
1865 ARR_APP1(ir_node*, env->lowered_phis, phi);
1867 /* Don't forget to link the new Phi nodes into the block.
1868 * Beware that some Phis might be optimized away. */
1870 add_Block_phi(block, phi_l);
1872 add_Block_phi(block, phi_h);
1875 static void fixup_phi(lower_env_t *env, ir_node *phi)
1877 const node_entry_t *entry = get_node_entry(env, phi);
1878 ir_node *phi_l = entry->low_word;
1879 ir_node *phi_h = entry->high_word;
1880 int arity = get_Phi_n_preds(phi);
1883 /* exchange phi predecessors which are lowered by now */
1884 for (i = 0; i < arity; ++i) {
1885 ir_node *pred = get_Phi_pred(phi, i);
1886 const node_entry_t *pred_entry = get_node_entry(env, pred);
1888 set_Phi_pred(phi_l, i, pred_entry->low_word);
1889 set_Phi_pred(phi_h, i, pred_entry->high_word);
1896 static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env)
1898 ir_node *truen = get_Mux_true(mux);
1899 ir_node *falsen = get_Mux_false(mux);
1900 ir_node *sel = get_Mux_sel(mux);
1901 const node_entry_t *true_entry = get_node_entry(env, truen);
1902 const node_entry_t *false_entry = get_node_entry(env, falsen);
1903 ir_node *true_l = true_entry->low_word;
1904 ir_node *true_h = true_entry->high_word;
1905 ir_node *false_l = false_entry->low_word;
1906 ir_node *false_h = false_entry->high_word;
1907 dbg_info *dbgi = get_irn_dbg_info(mux);
1908 ir_node *block = get_nodes_block(mux);
1910 = new_rd_Mux(dbgi, block, sel, false_l, true_l, env->low_unsigned);
1912 = new_rd_Mux(dbgi, block, sel, false_h, true_h, mode);
1913 set_lowered(env, mux, res_low, res_high);
1917 * Translate an ASM node.
1919 static void lower_ASM(ir_node *asmn, ir_mode *mode, lower_env_t *env)
1921 ir_mode *his = env->high_signed;
1922 ir_mode *hiu = env->high_unsigned;
1928 for (i = get_irn_arity(asmn) - 1; i >= 0; --i) {
1929 ir_mode *op_mode = get_irn_mode(get_irn_n(asmn, i));
1930 if (op_mode == his || op_mode == hiu) {
1931 panic("lowering ASM unimplemented");
1938 n = (ir_node*)get_irn_link(n);
1942 proj_mode = get_irn_mode(n);
1943 if (proj_mode == his || proj_mode == hiu) {
1944 panic("lowering ASM unimplemented");
1950 * Translate a Sel node.
1952 static void lower_Sel(ir_node *sel, ir_mode *mode, lower_env_t *env)
1956 /* we must only lower value parameter Sels if we change the
1957 value parameter type. */
1958 if (env->value_param_tp != NULL) {
1959 ir_entity *ent = get_Sel_entity(sel);
1960 if (get_entity_owner(ent) == env->value_param_tp) {
1961 size_t pos = get_entity_arg_idx(ent);
1963 ent = get_method_value_param_ent(env->l_mtp, pos);
1964 set_Sel_entity(sel, ent);
1970 * check for opcodes that must always be lowered.
1972 static bool always_lower(unsigned code)
1990 * Compare two op_mode_entry_t's.
1992 static int cmp_op_mode(const void *elt, const void *key, size_t size)
1994 const op_mode_entry_t *e1 = (const op_mode_entry_t*)elt;
1995 const op_mode_entry_t *e2 = (const op_mode_entry_t*)key;
1998 return (e1->op != e2->op) | (e1->imode != e2->imode) | (e1->omode != e2->omode);
2002 * Compare two conv_tp_entry_t's.
2004 static int cmp_conv_tp(const void *elt, const void *key, size_t size)
2006 const conv_tp_entry_t *e1 = (const conv_tp_entry_t*)elt;
2007 const conv_tp_entry_t *e2 = (const conv_tp_entry_t*)key;
2010 return (e1->imode != e2->imode) | (e1->omode != e2->omode);
2014 * Enter a lowering function into an ir_op.
2016 static void enter_lower_func(ir_op *op, lower_func func)
2018 op->ops.generic = (op_func)func;
2022 * Returns non-zero if a method type must be lowered.
2024 * @param mtp the method type
2026 static bool mtp_must_be_lowered(lower_env_t *env, ir_type *mtp)
2028 size_t i, n_params = get_method_n_params(mtp);
2030 /* first check if we have parameters that must be fixed */
2031 for (i = 0; i < n_params; ++i) {
2032 ir_type *tp = get_method_param_type(mtp, i);
2034 if (is_Primitive_type(tp)) {
2035 ir_mode *mode = get_type_mode(tp);
2037 if (mode == env->high_signed ||
2038 mode == env->high_unsigned)
2045 /* Determine which modes need to be lowered */
2046 static void setup_modes(lower_env_t *env)
2048 unsigned size_bits = env->params->doubleword_size;
2049 ir_mode *doubleword_signed = NULL;
2050 ir_mode *doubleword_unsigned = NULL;
2051 size_t n_modes = get_irp_n_modes();
2052 ir_mode_arithmetic arithmetic;
2053 unsigned modulo_shift;
2056 /* search for doubleword modes... */
2057 for (i = 0; i < n_modes; ++i) {
2058 ir_mode *mode = get_irp_mode(i);
2059 if (!mode_is_int(mode))
2061 if (get_mode_size_bits(mode) != size_bits)
2063 if (mode_is_signed(mode)) {
2064 if (doubleword_signed != NULL) {
2065 /* sigh - the lowerer should really just lower all mode with
2066 * size_bits it finds. Unfortunately this required a bigger
2068 panic("multiple double word signed modes found");
2070 doubleword_signed = mode;
2072 if (doubleword_unsigned != NULL) {
2073 /* sigh - the lowerer should really just lower all mode with
2074 * size_bits it finds. Unfortunately this required a bigger
2076 panic("multiple double word unsigned modes found");
2078 doubleword_unsigned = mode;
2081 if (doubleword_signed == NULL || doubleword_unsigned == NULL) {
2082 panic("Couldn't find doubleword modes");
2085 arithmetic = get_mode_arithmetic(doubleword_signed);
2086 modulo_shift = get_mode_modulo_shift(doubleword_signed);
2088 assert(get_mode_size_bits(doubleword_unsigned) == size_bits);
2089 assert(size_bits % 2 == 0);
2090 assert(get_mode_sign(doubleword_signed) == 1);
2091 assert(get_mode_sign(doubleword_unsigned) == 0);
2092 assert(get_mode_sort(doubleword_signed) == irms_int_number);
2093 assert(get_mode_sort(doubleword_unsigned) == irms_int_number);
2094 assert(get_mode_arithmetic(doubleword_unsigned) == arithmetic);
2095 assert(get_mode_modulo_shift(doubleword_unsigned) == modulo_shift);
2097 /* try to guess a sensible modulo shift for the new mode.
2098 * (This is IMO another indication that this should really be a node
2099 * attribute instead of a mode thing) */
2100 if (modulo_shift == size_bits) {
2101 modulo_shift = modulo_shift / 2;
2102 } else if (modulo_shift == 0) {
2105 panic("Don't know what new modulo shift to use for lowered doubleword mode");
2109 /* produce lowered modes */
2110 env->high_signed = doubleword_signed;
2111 env->high_unsigned = doubleword_unsigned;
2112 env->low_signed = new_ir_mode("WS", irms_int_number, size_bits, 1,
2113 arithmetic, modulo_shift);
2114 env->low_unsigned = new_ir_mode("WU", irms_int_number, size_bits, 0,
2115 arithmetic, modulo_shift);
2118 static void enqueue_preds(lower_env_t *env, ir_node *node)
2120 int arity = get_irn_arity(node);
2123 for (i = 0; i < arity; ++i) {
2124 ir_node *pred = get_irn_n(node, i);
2125 pdeq_putr(env->waitq, pred);
2129 static void lower_node(lower_env_t *env, ir_node *node)
2137 node_entry_t *entry;
2139 if (irn_visited(node))
2141 mark_irn_visited(node);
2143 /* cycles are always broken at Phi and Block nodes. So we don't need special
2144 * magic in all the other lower functions */
2145 if (is_Block(node)) {
2146 enqueue_preds(env, node);
2148 } else if (is_Phi(node)) {
2149 lower_Phi(env, node);
2153 /* depth-first: descend into operands */
2154 if (!is_Block(node)) {
2155 ir_node *block = get_nodes_block(node);
2156 lower_node(env, block);
2159 if (!is_Cond(node)) {
2160 arity = get_irn_arity(node);
2161 for (i = 0; i < arity; ++i) {
2162 ir_node *pred = get_irn_n(node, i);
2163 lower_node(env, pred);
2167 op = get_irn_op(node);
2168 func = (lower_func) op->ops.generic;
2172 idx = get_irn_idx(node);
2173 entry = idx < env->n_entries ? env->entries[idx] : NULL;
2174 if (entry != NULL || always_lower(get_irn_opcode(node))) {
2175 mode = get_irn_op_mode(node);
2176 if (mode == env->high_signed) {
2177 mode = env->low_signed;
2179 mode = env->low_unsigned;
2181 DB((dbg, LEVEL_1, " %+F\n", node));
2182 func(node, mode, env);
2186 static void lower_irg(lower_env_t *env, ir_graph *irg)
2192 obstack_init(&env->obst);
2194 n_idx = get_irg_last_idx(irg);
2195 n_idx = n_idx + (n_idx >> 2); /* add 25% */
2196 env->n_entries = n_idx;
2197 env->entries = NEW_ARR_F(node_entry_t*, n_idx);
2198 memset(env->entries, 0, sizeof(env->entries[0]) * n_idx);
2203 env->proj_2_block = pmap_create();
2204 env->value_param_tp = NULL;
2206 ent = get_irg_entity(irg);
2207 mtp = get_entity_type(ent);
2209 if (mtp_must_be_lowered(env, mtp)) {
2210 ir_type *ltp = lower_mtp(env, mtp);
2211 env->flags |= MUST_BE_LOWERED;
2212 set_entity_type(ent, ltp);
2214 env->value_param_tp = get_method_value_param_type(mtp);
2217 /* first step: link all nodes and allocate data */
2218 ir_reserve_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
2219 irg_walk_graph(irg, firm_clear_node_and_phi_links,
2220 prepare_links_and_handle_rotl, env);
2222 if (env->flags & MUST_BE_LOWERED) {
2224 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
2225 inc_irg_visited(irg);
2227 assert(pdeq_empty(env->waitq));
2228 pdeq_putr(env->waitq, get_irg_end(irg));
2230 env->lowered_phis = NEW_ARR_F(ir_node*, 0);
2231 while (!pdeq_empty(env->waitq)) {
2232 ir_node *node = (ir_node*)pdeq_getl(env->waitq);
2233 lower_node(env, node);
2236 /* we need to fixup phis */
2237 for (i = 0; i < ARR_LEN(env->lowered_phis); ++i) {
2238 ir_node *phi = env->lowered_phis[i];
2239 fixup_phi(env, phi);
2241 DEL_ARR_F(env->lowered_phis);
2244 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
2246 /* outs are invalid, we changed the graph */
2247 set_irg_outs_inconsistent(irg);
2249 if (env->flags & CF_CHANGED) {
2250 /* control flow changed, dominance info is invalid */
2251 set_irg_doms_inconsistent(irg);
2252 set_irg_extblk_inconsistent(irg);
2253 set_irg_loopinfo_inconsistent(irg);
2257 ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
2259 pmap_destroy(env->proj_2_block);
2260 DEL_ARR_F(env->entries);
2261 obstack_free(&env->obst, NULL);
2267 void lower_dw_ops(const lwrdw_param_t *param)
2272 assert(param != NULL);
2273 FIRM_DBG_REGISTER(dbg, "firm.lower.dw");
2275 memset(&lenv, 0, sizeof(lenv));
2276 lenv.params = param;
2279 /* create the necessary maps */
2280 if (! intrinsic_fkt)
2281 intrinsic_fkt = new_set(cmp_op_mode, iro_Last + 1);
2283 conv_types = new_set(cmp_conv_tp, 16);
2285 lowered_type = pmap_create();
2287 /* create a primitive unsigned and signed type */
2289 tp_u = get_type_for_mode(lenv.low_unsigned);
2291 tp_s = get_type_for_mode(lenv.low_signed);
2293 /* create method types for the created binop calls */
2295 binop_tp_u = new_type_method(4, 2);
2296 set_method_param_type(binop_tp_u, 0, tp_u);
2297 set_method_param_type(binop_tp_u, 1, tp_u);
2298 set_method_param_type(binop_tp_u, 2, tp_u);
2299 set_method_param_type(binop_tp_u, 3, tp_u);
2300 set_method_res_type(binop_tp_u, 0, tp_u);
2301 set_method_res_type(binop_tp_u, 1, tp_u);
2304 binop_tp_s = new_type_method(4, 2);
2305 set_method_param_type(binop_tp_s, 0, tp_u);
2306 set_method_param_type(binop_tp_s, 1, tp_s);
2307 set_method_param_type(binop_tp_s, 2, tp_u);
2308 set_method_param_type(binop_tp_s, 3, tp_s);
2309 set_method_res_type(binop_tp_s, 0, tp_u);
2310 set_method_res_type(binop_tp_s, 1, tp_s);
2312 if (! shiftop_tp_u) {
2313 shiftop_tp_u = new_type_method(3, 2);
2314 set_method_param_type(shiftop_tp_u, 0, tp_u);
2315 set_method_param_type(shiftop_tp_u, 1, tp_u);
2316 set_method_param_type(shiftop_tp_u, 2, tp_u);
2317 set_method_res_type(shiftop_tp_u, 0, tp_u);
2318 set_method_res_type(shiftop_tp_u, 1, tp_u);
2320 if (! shiftop_tp_s) {
2321 shiftop_tp_s = new_type_method(3, 2);
2322 set_method_param_type(shiftop_tp_s, 0, tp_u);
2323 set_method_param_type(shiftop_tp_s, 1, tp_s);
2324 set_method_param_type(shiftop_tp_s, 2, tp_u);
2325 set_method_res_type(shiftop_tp_s, 0, tp_u);
2326 set_method_res_type(shiftop_tp_s, 1, tp_s);
2329 unop_tp_u = new_type_method(2, 2);
2330 set_method_param_type(unop_tp_u, 0, tp_u);
2331 set_method_param_type(unop_tp_u, 1, tp_u);
2332 set_method_res_type(unop_tp_u, 0, tp_u);
2333 set_method_res_type(unop_tp_u, 1, tp_u);
2336 unop_tp_s = new_type_method(2, 2);
2337 set_method_param_type(unop_tp_s, 0, tp_u);
2338 set_method_param_type(unop_tp_s, 1, tp_s);
2339 set_method_res_type(unop_tp_s, 0, tp_u);
2340 set_method_res_type(unop_tp_s, 1, tp_s);
2343 clear_irp_opcodes_generic_func();
2344 enter_lower_func(op_ASM, lower_ASM);
2345 enter_lower_func(op_Add, lower_binop);
2346 enter_lower_func(op_And, lower_And);
2347 enter_lower_func(op_Call, lower_Call);
2348 enter_lower_func(op_Cmp, lower_Cmp);
2349 enter_lower_func(op_Cond, lower_Cond);
2350 enter_lower_func(op_Const, lower_Const);
2351 enter_lower_func(op_Conv, lower_Conv);
2352 enter_lower_func(op_Div, lower_Div);
2353 enter_lower_func(op_Eor, lower_Eor);
2354 enter_lower_func(op_Load, lower_Load);
2355 enter_lower_func(op_Minus, lower_Unop);
2356 enter_lower_func(op_Mod, lower_Mod);
2357 enter_lower_func(op_Mul, lower_binop);
2358 enter_lower_func(op_Mux, lower_Mux);
2359 enter_lower_func(op_Not, lower_Not);
2360 enter_lower_func(op_Or, lower_Or);
2361 enter_lower_func(op_Return, lower_Return);
2362 enter_lower_func(op_Sel, lower_Sel);
2363 enter_lower_func(op_Shl, lower_Shl);
2364 enter_lower_func(op_Shr, lower_Shr);
2365 enter_lower_func(op_Shrs, lower_Shrs);
2366 enter_lower_func(op_Start, lower_Start);
2367 enter_lower_func(op_Store, lower_Store);
2368 enter_lower_func(op_Sub, lower_binop);
2369 enter_lower_func(op_Unknown, lower_Unknown);
2371 lenv.tv_mode_bytes = new_tarval_from_long(param->doubleword_size/(2*8), lenv.low_unsigned);
2372 lenv.tv_mode_bits = new_tarval_from_long(param->doubleword_size/2, lenv.low_unsigned);
2373 lenv.waitq = new_pdeq();
2374 lenv.first_id = new_id_from_chars(param->little_endian ? ".l" : ".h", 2);
2375 lenv.next_id = new_id_from_chars(param->little_endian ? ".h" : ".l", 2);
2377 /* transform all graphs */
2378 for (i = 0, n = get_irp_n_irgs(); i < n; ++i) {
2379 ir_graph *irg = get_irp_irg(i);
2380 lower_irg(&lenv, irg);
2382 del_pdeq(lenv.waitq);
2385 /* Default implementation. */
2386 ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
2387 const ir_mode *imode, const ir_mode *omode,
2395 if (imode == omode) {
2396 snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(imode));
2398 snprintf(buf, sizeof(buf), "__l%s%s%s", get_op_name(op),
2399 get_mode_name(imode), get_mode_name(omode));
2401 id = new_id_from_str(buf);
2403 ent = new_entity(get_glob_type(), id, method);
2404 set_entity_ld_ident(ent, get_entity_ident(ent));